diff options
Diffstat (limited to 'drivers/media/video/zoran')
| -rw-r--r-- | drivers/media/video/zoran/Kconfig | 73 | ||||
| -rw-r--r-- | drivers/media/video/zoran/Makefile | 6 | ||||
| -rw-r--r-- | drivers/media/video/zoran/videocodec.c | 408 | ||||
| -rw-r--r-- | drivers/media/video/zoran/videocodec.h | 358 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran.h | 510 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_card.c | 1671 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_card.h | 55 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_device.c | 1747 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_device.h | 97 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_driver.c | 4648 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_procfs.c | 225 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_procfs.h | 36 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36016.c | 529 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36016.h | 111 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36050.c | 904 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36050.h | 184 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36057.h | 168 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36060.c | 1014 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zr36060.h | 220 |
19 files changed, 12964 insertions, 0 deletions
diff --git a/drivers/media/video/zoran/Kconfig b/drivers/media/video/zoran/Kconfig new file mode 100644 index 00000000000..4ea5fa71de8 --- /dev/null +++ b/drivers/media/video/zoran/Kconfig @@ -0,0 +1,73 @@ +config VIDEO_ZORAN + tristate "Zoran ZR36057/36067 Video For Linux" + depends on PCI && I2C_ALGOBIT && VIDEO_V4L1 && VIRT_TO_BUS + help + Say Y for support for MJPEG capture cards based on the Zoran + 36057/36067 PCI controller chipset. This includes the Iomega + Buz, Pinnacle DC10+ and the Linux Media Labs LML33. There is + a driver homepage at <http://mjpeg.sf.net/driver-zoran/>. For + more information, check <file:Documentation/video4linux/Zoran>. + + To compile this driver as a module, choose M here: the + module will be called zr36067. + +config VIDEO_ZORAN_DC30 + tristate "Pinnacle/Miro DC30(+) support" + depends on VIDEO_ZORAN + select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_VPX3220 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Pinnacle/Miro DC30(+) MJPEG capture/playback + card. This also supports really old DC10 cards based on the + zr36050 MJPEG codec and zr36016 VFE. + +config VIDEO_ZORAN_ZR36060 + tristate "Zoran ZR36060" + depends on VIDEO_ZORAN + help + Say Y to support Zoran boards based on 36060 chips. + This includes Iomega Buz, Pinnacle DC10, Linux media Labs 33 + and 33 R10 and AverMedia 6 boards. + +config VIDEO_ZORAN_BUZ + tristate "Iomega Buz support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_SAA7185 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Iomega Buz MJPEG capture/playback card. + +config VIDEO_ZORAN_DC10 + tristate "Pinnacle/Miro DC10(+) support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7110 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Pinnacle/Miro DC10(+) MJPEG capture/playback + card. + +config VIDEO_ZORAN_LML33 + tristate "Linux Media Labs LML33 support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_BT819 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Linux Media Labs LML33 MJPEG capture/playback + card. + +config VIDEO_ZORAN_LML33R10 + tristate "Linux Media Labs LML33R10 support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7114 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_ADV7170 if VIDEO_HELPER_CHIPS_AUTO + help + support for the Linux Media Labs LML33R10 MJPEG capture/playback + card. + +config VIDEO_ZORAN_AVS6EYES + tristate "AverMedia 6 Eyes support (EXPERIMENTAL)" + depends on VIDEO_ZORAN_ZR36060 && EXPERIMENTAL && VIDEO_V4L1 + select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_KS0127 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the AverMedia 6 Eyes video surveillance card. diff --git a/drivers/media/video/zoran/Makefile b/drivers/media/video/zoran/Makefile new file mode 100644 index 00000000000..44cc13352c8 --- /dev/null +++ b/drivers/media/video/zoran/Makefile @@ -0,0 +1,6 @@ +zr36067-objs := zoran_procfs.o zoran_device.o \ + zoran_driver.o zoran_card.o + +obj-$(CONFIG_VIDEO_ZORAN) += zr36067.o videocodec.o +obj-$(CONFIG_VIDEO_ZORAN_DC30) += zr36050.o zr36016.o +obj-$(CONFIG_VIDEO_ZORAN_ZR36060) += zr36060.o diff --git a/drivers/media/video/zoran/videocodec.c b/drivers/media/video/zoran/videocodec.c new file mode 100644 index 00000000000..cf24956f320 --- /dev/null +++ b/drivers/media/video/zoran/videocodec.c @@ -0,0 +1,408 @@ +/* + * VIDEO MOTION CODECs internal API for video devices + * + * Interface for MJPEG (and maybe later MPEG/WAVELETS) codec's + * bound to a master device. + * + * (c) 2002 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: videocodec.c,v 1.1.2.8 2003/03/29 07:16:04 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#define VIDEOCODEC_VERSION "v0.2" + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/slab.h> + +// kernel config is here (procfs flag) + +#ifdef CONFIG_PROC_FS +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include <asm/uaccess.h> +#endif + +#include "videocodec.h" + +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-4)"); + +#define dprintk(num, format, args...) \ + do { \ + if (debug >= num) \ + printk(format, ##args); \ + } while (0) + +struct attached_list { + struct videocodec *codec; + struct attached_list *next; +}; + +struct codec_list { + const struct videocodec *codec; + int attached; + struct attached_list *list; + struct codec_list *next; +}; + +static struct codec_list *codeclist_top = NULL; + +/* ================================================= */ +/* function prototypes of the master/slave interface */ +/* ================================================= */ + +struct videocodec * +videocodec_attach (struct videocodec_master *master) +{ + struct codec_list *h = codeclist_top; + struct attached_list *a, *ptr; + struct videocodec *codec; + int res; + + if (!master) { + dprintk(1, KERN_ERR "videocodec_attach: no data\n"); + return NULL; + } + + dprintk(2, + "videocodec_attach: '%s', flags %lx, magic %lx\n", + master->name, master->flags, master->magic); + + if (!h) { + dprintk(1, + KERN_ERR + "videocodec_attach: no device available\n"); + return NULL; + } + + while (h) { + // attach only if the slave has at least the flags + // expected by the master + if ((master->flags & h->codec->flags) == master->flags) { + dprintk(4, "videocodec_attach: try '%s'\n", + h->codec->name); + + if (!try_module_get(h->codec->owner)) + return NULL; + + codec = + kmalloc(sizeof(struct videocodec), GFP_KERNEL); + if (!codec) { + dprintk(1, + KERN_ERR + "videocodec_attach: no mem\n"); + goto out_module_put; + } + memcpy(codec, h->codec, sizeof(struct videocodec)); + + snprintf(codec->name, sizeof(codec->name), + "%s[%d]", codec->name, h->attached); + codec->master_data = master; + res = codec->setup(codec); + if (res == 0) { + dprintk(3, "videocodec_attach '%s'\n", + codec->name); + ptr = kzalloc(sizeof(struct attached_list), GFP_KERNEL); + if (!ptr) { + dprintk(1, + KERN_ERR + "videocodec_attach: no memory\n"); + goto out_kfree; + } + ptr->codec = codec; + + a = h->list; + if (!a) { + h->list = ptr; + dprintk(4, + "videocodec: first element\n"); + } else { + while (a->next) + a = a->next; // find end + a->next = ptr; + dprintk(4, + "videocodec: in after '%s'\n", + h->codec->name); + } + + h->attached += 1; + return codec; + } else { + kfree(codec); + } + } + h = h->next; + } + + dprintk(1, KERN_ERR "videocodec_attach: no codec found!\n"); + return NULL; + + out_module_put: + module_put(h->codec->owner); + out_kfree: + kfree(codec); + return NULL; +} + +int +videocodec_detach (struct videocodec *codec) +{ + struct codec_list *h = codeclist_top; + struct attached_list *a, *prev; + int res; + + if (!codec) { + dprintk(1, KERN_ERR "videocodec_detach: no data\n"); + return -EINVAL; + } + + dprintk(2, + "videocodec_detach: '%s', type: %x, flags %lx, magic %lx\n", + codec->name, codec->type, codec->flags, codec->magic); + + if (!h) { + dprintk(1, + KERN_ERR "videocodec_detach: no device left...\n"); + return -ENXIO; + } + + while (h) { + a = h->list; + prev = NULL; + while (a) { + if (codec == a->codec) { + res = a->codec->unset(a->codec); + if (res >= 0) { + dprintk(3, + "videocodec_detach: '%s'\n", + a->codec->name); + a->codec->master_data = NULL; + } else { + dprintk(1, + KERN_ERR + "videocodec_detach: '%s'\n", + a->codec->name); + a->codec->master_data = NULL; + } + if (prev == NULL) { + h->list = a->next; + dprintk(4, + "videocodec: delete first\n"); + } else { + prev->next = a->next; + dprintk(4, + "videocodec: delete middle\n"); + } + module_put(a->codec->owner); + kfree(a->codec); + kfree(a); + h->attached -= 1; + return 0; + } + prev = a; + a = a->next; + } + h = h->next; + } + + dprintk(1, KERN_ERR "videocodec_detach: given codec not found!\n"); + return -EINVAL; +} + +int +videocodec_register (const struct videocodec *codec) +{ + struct codec_list *ptr, *h = codeclist_top; + + if (!codec) { + dprintk(1, KERN_ERR "videocodec_register: no data!\n"); + return -EINVAL; + } + + dprintk(2, + "videocodec: register '%s', type: %x, flags %lx, magic %lx\n", + codec->name, codec->type, codec->flags, codec->magic); + + ptr = kzalloc(sizeof(struct codec_list), GFP_KERNEL); + if (!ptr) { + dprintk(1, KERN_ERR "videocodec_register: no memory\n"); + return -ENOMEM; + } + ptr->codec = codec; + + if (!h) { + codeclist_top = ptr; + dprintk(4, "videocodec: hooked in as first element\n"); + } else { + while (h->next) + h = h->next; // find the end + h->next = ptr; + dprintk(4, "videocodec: hooked in after '%s'\n", + h->codec->name); + } + + return 0; +} + +int +videocodec_unregister (const struct videocodec *codec) +{ + struct codec_list *prev = NULL, *h = codeclist_top; + + if (!codec) { + dprintk(1, KERN_ERR "videocodec_unregister: no data!\n"); + return -EINVAL; + } + + dprintk(2, + "videocodec: unregister '%s', type: %x, flags %lx, magic %lx\n", + codec->name, codec->type, codec->flags, codec->magic); + + if (!h) { + dprintk(1, + KERN_ERR + "videocodec_unregister: no device left...\n"); + return -ENXIO; + } + + while (h) { + if (codec == h->codec) { + if (h->attached) { + dprintk(1, + KERN_ERR + "videocodec: '%s' is used\n", + h->codec->name); + return -EBUSY; + } + dprintk(3, "videocodec: unregister '%s' is ok.\n", + h->codec->name); + if (prev == NULL) { + codeclist_top = h->next; + dprintk(4, + "videocodec: delete first element\n"); + } else { + prev->next = h->next; + dprintk(4, + "videocodec: delete middle element\n"); + } + kfree(h); + return 0; + } + prev = h; + h = h->next; + } + + dprintk(1, + KERN_ERR + "videocodec_unregister: given codec not found!\n"); + return -EINVAL; +} + +#ifdef CONFIG_PROC_FS +static int proc_videocodecs_show(struct seq_file *m, void *v) +{ + struct codec_list *h = codeclist_top; + struct attached_list *a; + + seq_printf(m, "<S>lave or attached <M>aster name type flags magic "); + seq_printf(m, "(connected as)\n"); + + h = codeclist_top; + while (h) { + seq_printf(m, "S %32s %04x %08lx %08lx (TEMPLATE)\n", + h->codec->name, h->codec->type, + h->codec->flags, h->codec->magic); + a = h->list; + while (a) { + seq_printf(m, "M %32s %04x %08lx %08lx (%s)\n", + a->codec->master_data->name, + a->codec->master_data->type, + a->codec->master_data->flags, + a->codec->master_data->magic, + a->codec->name); + a = a->next; + } + h = h->next; + } + + return 0; +} + +static int proc_videocodecs_open(struct inode *inode, struct file *file) +{ + return single_open(file, proc_videocodecs_show, NULL); +} + +static const struct file_operations videocodecs_proc_fops = { + .owner = THIS_MODULE, + .open = proc_videocodecs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + +/* ===================== */ +/* hook in driver module */ +/* ===================== */ +static int __init +videocodec_init (void) +{ +#ifdef CONFIG_PROC_FS + static struct proc_dir_entry *videocodec_proc_entry; +#endif + + printk(KERN_INFO "Linux video codec intermediate layer: %s\n", + VIDEOCODEC_VERSION); + +#ifdef CONFIG_PROC_FS + videocodec_proc_entry = proc_create("videocodecs", 0, NULL, &videocodecs_proc_fops); + if (!videocodec_proc_entry) { + dprintk(1, KERN_ERR "videocodec: can't init procfs.\n"); + } +#endif + return 0; +} + +static void __exit +videocodec_exit (void) +{ +#ifdef CONFIG_PROC_FS + remove_proc_entry("videocodecs", NULL); +#endif +} + +EXPORT_SYMBOL(videocodec_attach); +EXPORT_SYMBOL(videocodec_detach); +EXPORT_SYMBOL(videocodec_register); +EXPORT_SYMBOL(videocodec_unregister); + +module_init(videocodec_init); +module_exit(videocodec_exit); + +MODULE_AUTHOR("Wolfgang Scherr <scherr@net4you.at>"); +MODULE_DESCRIPTION("Intermediate API module for video codecs " + VIDEOCODEC_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/zoran/videocodec.h b/drivers/media/video/zoran/videocodec.h new file mode 100644 index 00000000000..97a3bbeda50 --- /dev/null +++ b/drivers/media/video/zoran/videocodec.h @@ -0,0 +1,358 @@ +/* + * VIDEO MOTION CODECs internal API for video devices + * + * Interface for MJPEG (and maybe later MPEG/WAVELETS) codec's + * bound to a master device. + * + * (c) 2002 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: videocodec.h,v 1.1.2.4 2003/01/14 21:15:03 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +/* =================== */ +/* general description */ +/* =================== */ + +/* Should ease the (re-)usage of drivers supporting cards with (different) + video codecs. The codecs register to this module their functionality, + and the processors (masters) can attach to them if they fit. + + The codecs are typically have a "strong" binding to their master - so I + don't think it makes sense to have a full blown interfacing as with e.g. + i2c. If you have an other opinion, let's discuss & implement it :-))) + + Usage: + + The slave has just to setup the videocodec structure and use two functions: + videocodec_register(codecdata); + videocodec_unregister(codecdata); + The best is just calling them at module (de-)initialisation. + + The master sets up the structure videocodec_master and calls: + codecdata=videocodec_attach(master_codecdata); + videocodec_detach(codecdata); + + The slave is called during attach/detach via functions setup previously + during register. At that time, the master_data pointer is set up + and the slave can access any io registers of the master device (in the case + the slave is bound to it). Otherwise it doesn't need this functions and + therfor they may not be initialized. + + The other fuctions are just for convenience, as they are for sure used by + most/all of the codecs. The last ones may be ommited, too. + + See the structure declaration below for more information and which data has + to be set up for the master and the slave. + + ---------------------------------------------------------------------------- + The master should have "knowledge" of the slave and vice versa. So the data + structures sent to/from slave via set_data/get_data set_image/get_image are + device dependent and vary between MJPEG/MPEG/WAVELET/... devices. (!!!!) + ---------------------------------------------------------------------------- +*/ + + +/* ========================================== */ +/* description of the videocodec_io structure */ +/* ========================================== */ + +/* + ==== master setup ==== + name -> name of the device structure for reference and debugging + master_data -> data ref. for the master (e.g. the zr36055,57,67) + readreg -> ref. to read-fn from register (setup by master, used by slave) + writereg -> ref. to write-fn to register (setup by master, used by slave) + this two functions do the lowlevel I/O job + + ==== slave functionality setup ==== + slave_data -> data ref. for the slave (e.g. the zr36050,60) + check -> fn-ref. checks availability of an device, returns -EIO on failure or + the type on success + this makes espcecially sense if a driver module supports more than + one codec which may be quite similar to access, nevertheless it + is good for a first functionality check + + -- main functions you always need for compression/decompression -- + + set_mode -> this fn-ref. resets the entire codec, and sets up the mode + with the last defined norm/size (or device default if not + available) - it returns 0 if the mode is possible + set_size -> this fn-ref. sets the norm and image size for + compression/decompression (returns 0 on success) + the norm param is defined in videodev.h (VIDEO_MODE_*) + + additional setup may be available, too - but the codec should work with + some default values even without this + + set_data -> sets device-specific data (tables, quality etc.) + get_data -> query device-specific data (tables, quality etc.) + + if the device delivers interrupts, they may be setup/handled here + setup_interrupt -> codec irq setup (not needed for 36050/60) + handle_interrupt -> codec irq handling (not needed for 36050/60) + + if the device delivers pictures, they may be handled here + put_image -> puts image data to the codec (not needed for 36050/60) + get_image -> gets image data from the codec (not needed for 36050/60) + the calls include frame numbers and flags (even/odd/...) + if needed and a flag which allows blocking until its ready +*/ + +/* ============== */ +/* user interface */ +/* ============== */ + +/* + Currently there is only a information display planned, as the layer + is not visible for the user space at all. + + Information is available via procfs. The current entry is "/proc/videocodecs" + but it makes sense to "hide" it in the /proc/video tree of v4l(2) --TODO--. + +A example for such an output is: + +<S>lave or attached <M>aster name type flags magic (connected as) +S zr36050 0002 0000d001 00000000 (TEMPLATE) +M zr36055[0] 0001 0000c001 00000000 (zr36050[0]) +M zr36055[1] 0001 0000c001 00000000 (zr36050[1]) + +*/ + + +/* =============================================== */ +/* special defines for the videocodec_io structure */ +/* =============================================== */ + +#ifndef __LINUX_VIDEOCODEC_H +#define __LINUX_VIDEOCODEC_H + +#include <linux/videodev.h> + +//should be in videodev.h ??? (VID_DO_....) +#define CODEC_DO_COMPRESSION 0 +#define CODEC_DO_EXPANSION 1 + +/* this are the current codec flags I think they are needed */ +/* -> type value in structure */ +#define CODEC_FLAG_JPEG 0x00000001L // JPEG codec +#define CODEC_FLAG_MPEG 0x00000002L // MPEG1/2/4 codec +#define CODEC_FLAG_DIVX 0x00000004L // DIVX codec +#define CODEC_FLAG_WAVELET 0x00000008L // WAVELET codec + // room for other types + +#define CODEC_FLAG_MAGIC 0x00000800L // magic key must match +#define CODEC_FLAG_HARDWARE 0x00001000L // is a hardware codec +#define CODEC_FLAG_VFE 0x00002000L // has direct video frontend +#define CODEC_FLAG_ENCODER 0x00004000L // compression capability +#define CODEC_FLAG_DECODER 0x00008000L // decompression capability +#define CODEC_FLAG_NEEDIRQ 0x00010000L // needs irq handling +#define CODEC_FLAG_RDWRPIC 0x00020000L // handles picture I/O + +/* a list of modes, some are just examples (is there any HW?) */ +#define CODEC_MODE_BJPG 0x0001 // Baseline JPEG +#define CODEC_MODE_LJPG 0x0002 // Lossless JPEG +#define CODEC_MODE_MPEG1 0x0003 // MPEG 1 +#define CODEC_MODE_MPEG2 0x0004 // MPEG 2 +#define CODEC_MODE_MPEG4 0x0005 // MPEG 4 +#define CODEC_MODE_MSDIVX 0x0006 // MS DivX +#define CODEC_MODE_ODIVX 0x0007 // Open DivX +#define CODEC_MODE_WAVELET 0x0008 // Wavelet + +/* this are the current codec types I want to implement */ +/* -> type value in structure */ +#define CODEC_TYPE_NONE 0 +#define CODEC_TYPE_L64702 1 +#define CODEC_TYPE_ZR36050 2 +#define CODEC_TYPE_ZR36016 3 +#define CODEC_TYPE_ZR36060 4 + +/* the type of data may be enhanced by future implementations (data-fn.'s) */ +/* -> used in command */ +#define CODEC_G_STATUS 0x0000 /* codec status (query only) */ +#define CODEC_S_CODEC_MODE 0x0001 /* codec mode (baseline JPEG, MPEG1,... */ +#define CODEC_G_CODEC_MODE 0x8001 +#define CODEC_S_VFE 0x0002 /* additional video frontend setup */ +#define CODEC_G_VFE 0x8002 +#define CODEC_S_MMAP 0x0003 /* MMAP setup (if available) */ + +#define CODEC_S_JPEG_TDS_BYTE 0x0010 /* target data size in bytes */ +#define CODEC_G_JPEG_TDS_BYTE 0x8010 +#define CODEC_S_JPEG_SCALE 0x0011 /* scaling factor for quant. tables */ +#define CODEC_G_JPEG_SCALE 0x8011 +#define CODEC_S_JPEG_HDT_DATA 0x0018 /* huffman-tables */ +#define CODEC_G_JPEG_HDT_DATA 0x8018 +#define CODEC_S_JPEG_QDT_DATA 0x0019 /* quantizing-tables */ +#define CODEC_G_JPEG_QDT_DATA 0x8019 +#define CODEC_S_JPEG_APP_DATA 0x001A /* APP marker */ +#define CODEC_G_JPEG_APP_DATA 0x801A +#define CODEC_S_JPEG_COM_DATA 0x001B /* COM marker */ +#define CODEC_G_JPEG_COM_DATA 0x801B + +#define CODEC_S_PRIVATE 0x1000 /* "private" commands start here */ +#define CODEC_G_PRIVATE 0x9000 + +#define CODEC_G_FLAG 0x8000 /* this is how 'get' is detected */ + +/* types of transfer, directly user space or a kernel buffer (image-fn.'s) */ +/* -> used in get_image, put_image */ +#define CODEC_TRANSFER_KERNEL 0 /* use "memcopy" */ +#define CODEC_TRANSFER_USER 1 /* use "to/from_user" */ + + +/* ========================= */ +/* the structures itself ... */ +/* ========================= */ + +struct vfe_polarity { + unsigned int vsync_pol:1; + unsigned int hsync_pol:1; + unsigned int field_pol:1; + unsigned int blank_pol:1; + unsigned int subimg_pol:1; + unsigned int poe_pol:1; + unsigned int pvalid_pol:1; + unsigned int vclk_pol:1; +}; + +struct vfe_settings { + __u32 x, y; /* Offsets into image */ + __u32 width, height; /* Area to capture */ + __u16 decimation; /* Decimation divider */ + __u16 flags; /* Flags for capture */ +/* flags are the same as in struct video_capture - see videodev.h: +#define VIDEO_CAPTURE_ODD 0 +#define VIDEO_CAPTURE_EVEN 1 +*/ + __u16 quality; /* quality of the video */ +}; + +struct tvnorm { + u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart; +}; + +struct jpeg_com_marker { + int len; /* number of usable bytes in data */ + char data[60]; +}; + +struct jpeg_app_marker { + int appn; /* number app segment */ + int len; /* number of usable bytes in data */ + char data[60]; +}; + +struct videocodec { + struct module *owner; + /* -- filled in by slave device during register -- */ + char name[32]; + unsigned long magic; /* may be used for client<->master attaching */ + unsigned long flags; /* functionality flags */ + unsigned int type; /* codec type */ + + /* -- these is filled in later during master device attach -- */ + + struct videocodec_master *master_data; + + /* -- these are filled in by the slave device during register -- */ + + void *data; /* private slave data */ + + /* attach/detach client functions (indirect call) */ + int (*setup) (struct videocodec * codec); + int (*unset) (struct videocodec * codec); + + /* main functions, every client needs them for sure! */ + // set compression or decompression (or freeze, stop, standby, etc) + int (*set_mode) (struct videocodec * codec, + int mode); + // setup picture size and norm (for the codec's video frontend) + int (*set_video) (struct videocodec * codec, + struct tvnorm * norm, + struct vfe_settings * cap, + struct vfe_polarity * pol); + // other control commands, also mmap setup etc. + int (*control) (struct videocodec * codec, + int type, + int size, + void *data); + + /* additional setup/query/processing (may be NULL pointer) */ + // interrupt setup / handling (for irq's delivered by master) + int (*setup_interrupt) (struct videocodec * codec, + long mode); + int (*handle_interrupt) (struct videocodec * codec, + int source, + long flag); + // picture interface (if any) + long (*put_image) (struct videocodec * codec, + int tr_type, + int block, + long *fr_num, + long *flag, + long size, + void *buf); + long (*get_image) (struct videocodec * codec, + int tr_type, + int block, + long *fr_num, + long *flag, + long size, + void *buf); +}; + +struct videocodec_master { + /* -- filled in by master device for registration -- */ + char name[32]; + unsigned long magic; /* may be used for client<->master attaching */ + unsigned long flags; /* functionality flags */ + unsigned int type; /* master type */ + + void *data; /* private master data */ + + __u32(*readreg) (struct videocodec * codec, + __u16 reg); + void (*writereg) (struct videocodec * codec, + __u16 reg, + __u32 value); +}; + + +/* ================================================= */ +/* function prototypes of the master/slave interface */ +/* ================================================= */ + +/* attach and detach commands for the master */ +// * master structure needs to be kmalloc'ed before calling attach +// and free'd after calling detach +// * returns pointer on success, NULL on failure +extern struct videocodec *videocodec_attach(struct videocodec_master *); +// * 0 on success, <0 (errno) on failure +extern int videocodec_detach(struct videocodec *); + +/* register and unregister commands for the slaves */ +// * 0 on success, <0 (errno) on failure +extern int videocodec_register(const struct videocodec *); +// * 0 on success, <0 (errno) on failure +extern int videocodec_unregister(const struct videocodec *); + +/* the other calls are directly done via the videocodec structure! */ + +#endif /*ifndef __LINUX_VIDEOCODEC_H */ diff --git a/drivers/media/video/zoran/zoran.h b/drivers/media/video/zoran/zoran.h new file mode 100644 index 00000000000..46b7ad477ce --- /dev/null +++ b/drivers/media/video/zoran/zoran.h @@ -0,0 +1,510 @@ +/* + * zoran - Iomega Buz driver + * + * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> + * + * based on + * + * zoran.0.0.3 Copyright (C) 1998 Dave Perks <dperks@ibm.net> + * + * and + * + * bttv - Bt848 frame grabber driver + * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) + * & Marcus Metzler (mocm@thp.uni-koeln.de) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _BUZ_H_ +#define _BUZ_H_ + +struct zoran_requestbuffers { + unsigned long count; /* Number of buffers for MJPEG grabbing */ + unsigned long size; /* Size PER BUFFER in bytes */ +}; + +struct zoran_sync { + unsigned long frame; /* number of buffer that has been free'd */ + unsigned long length; /* number of code bytes in buffer (capture only) */ + unsigned long seq; /* frame sequence number */ + struct timeval timestamp; /* timestamp */ +}; + +struct zoran_status { + int input; /* Input channel, has to be set prior to BUZIOC_G_STATUS */ + int signal; /* Returned: 1 if valid video signal detected */ + int norm; /* Returned: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */ + int color; /* Returned: 1 if color signal detected */ +}; + +struct zoran_params { + + /* The following parameters can only be queried */ + + int major_version; /* Major version number of driver */ + int minor_version; /* Minor version number of driver */ + + /* Main control parameters */ + + int input; /* Input channel: 0 = Composite, 1 = S-VHS */ + int norm; /* Norm: VIDEO_MODE_PAL or VIDEO_MODE_NTSC */ + int decimation; /* decimation of captured video, + * enlargement of video played back. + * Valid values are 1, 2, 4 or 0. + * 0 is a special value where the user + * has full control over video scaling */ + + /* The following parameters only have to be set if decimation==0, + * for other values of decimation they provide the data how the image is captured */ + + int HorDcm; /* Horizontal decimation: 1, 2 or 4 */ + int VerDcm; /* Vertical decimation: 1 or 2 */ + int TmpDcm; /* Temporal decimation: 1 or 2, + * if TmpDcm==2 in capture every second frame is dropped, + * in playback every frame is played twice */ + int field_per_buff; /* Number of fields per buffer: 1 or 2 */ + int img_x; /* start of image in x direction */ + int img_y; /* start of image in y direction */ + int img_width; /* image width BEFORE decimation, + * must be a multiple of HorDcm*16 */ + int img_height; /* image height BEFORE decimation, + * must be a multiple of VerDcm*8 */ + + /* --- End of parameters for decimation==0 only --- */ + + /* JPEG control parameters */ + + int quality; /* Measure for quality of compressed images. + * Scales linearly with the size of the compressed images. + * Must be beetween 0 and 100, 100 is a compression + * ratio of 1:4 */ + + int odd_even; /* Which field should come first ??? */ + + int APPn; /* Number of APP segment to be written, must be 0..15 */ + int APP_len; /* Length of data in JPEG APPn segment */ + char APP_data[60]; /* Data in the JPEG APPn segment. */ + + int COM_len; /* Length of data in JPEG COM segment */ + char COM_data[60]; /* Data in JPEG COM segment */ + + unsigned long jpeg_markers; /* Which markers should go into the JPEG output. + * Unless you exactly know what you do, leave them untouched. + * Inluding less markers will make the resulting code + * smaller, but there will be fewer aplications + * which can read it. + * The presence of the APP and COM marker is + * influenced by APP0_len and COM_len ONLY! */ +#define JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ +#define JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ +#define JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ +#define JPEG_MARKER_COM (1<<6) /* Comment segment */ +#define JPEG_MARKER_APP (1<<7) /* App segment, driver will allways use APP0 */ + + int VFIFO_FB; /* Flag for enabling Video Fifo Feedback. + * If this flag is turned on and JPEG decompressing + * is going to the screen, the decompress process + * is stopped every time the Video Fifo is full. + * This enables a smooth decompress to the screen + * but the video output signal will get scrambled */ + + /* Misc */ + + char reserved[312]; /* Makes 512 bytes for this structure */ +}; + +/* +Private IOCTL to set up for displaying MJPEG +*/ +#define BUZIOC_G_PARAMS _IOR ('v', BASE_VIDIOCPRIVATE+0, struct zoran_params) +#define BUZIOC_S_PARAMS _IOWR('v', BASE_VIDIOCPRIVATE+1, struct zoran_params) +#define BUZIOC_REQBUFS _IOWR('v', BASE_VIDIOCPRIVATE+2, struct zoran_requestbuffers) +#define BUZIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOCPRIVATE+3, int) +#define BUZIOC_QBUF_PLAY _IOW ('v', BASE_VIDIOCPRIVATE+4, int) +#define BUZIOC_SYNC _IOR ('v', BASE_VIDIOCPRIVATE+5, struct zoran_sync) +#define BUZIOC_G_STATUS _IOWR('v', BASE_VIDIOCPRIVATE+6, struct zoran_status) + + +#ifdef __KERNEL__ + +#define MAJOR_VERSION 0 /* driver major version */ +#define MINOR_VERSION 9 /* driver minor version */ +#define RELEASE_VERSION 5 /* release version */ + +#define ZORAN_NAME "ZORAN" /* name of the device */ + +#define ZR_DEVNAME(zr) ((zr)->name) + +#define BUZ_MAX_WIDTH (zr->timing->Wa) +#define BUZ_MAX_HEIGHT (zr->timing->Ha) +#define BUZ_MIN_WIDTH 32 /* never display less than 32 pixels */ +#define BUZ_MIN_HEIGHT 24 /* never display less than 24 rows */ + +#define BUZ_NUM_STAT_COM 4 +#define BUZ_MASK_STAT_COM 3 + +#define BUZ_MAX_FRAME 256 /* Must be a power of 2 */ +#define BUZ_MASK_FRAME 255 /* Must be BUZ_MAX_FRAME-1 */ + +#define BUZ_MAX_INPUT 16 + +#if VIDEO_MAX_FRAME <= 32 +# define V4L_MAX_FRAME 32 +#elif VIDEO_MAX_FRAME <= 64 +# define V4L_MAX_FRAME 64 +#else +# error "Too many video frame buffers to handle" +#endif +#define V4L_MASK_FRAME (V4L_MAX_FRAME - 1) + +#define MAX_KMALLOC_MEM (128*1024) + +#include "zr36057.h" + +enum card_type { + UNKNOWN = -1, + + /* Pinnacle/Miro */ + DC10_old, /* DC30 like */ + DC10_new, /* DC10plus like */ + DC10plus, + DC30, + DC30plus, + + /* Linux Media Labs */ + LML33, + LML33R10, + + /* Iomega */ + BUZ, + + /* AverMedia */ + AVS6EYES, + + /* total number of cards */ + NUM_CARDS +}; + +enum zoran_codec_mode { + BUZ_MODE_IDLE, /* nothing going on */ + BUZ_MODE_MOTION_COMPRESS, /* grabbing frames */ + BUZ_MODE_MOTION_DECOMPRESS, /* playing frames */ + BUZ_MODE_STILL_COMPRESS, /* still frame conversion */ + BUZ_MODE_STILL_DECOMPRESS /* still frame conversion */ +}; + +enum zoran_buffer_state { + BUZ_STATE_USER, /* buffer is owned by application */ + BUZ_STATE_PEND, /* buffer is queued in pend[] ready to feed to I/O */ + BUZ_STATE_DMA, /* buffer is queued in dma[] for I/O */ + BUZ_STATE_DONE /* buffer is ready to return to application */ +}; + +enum zoran_map_mode { + ZORAN_MAP_MODE_RAW, + ZORAN_MAP_MODE_JPG_REC, +#define ZORAN_MAP_MODE_JPG ZORAN_MAP_MODE_JPG_REC + ZORAN_MAP_MODE_JPG_PLAY, +}; + +enum gpio_type { + ZR_GPIO_JPEG_SLEEP = 0, + ZR_GPIO_JPEG_RESET, + ZR_GPIO_JPEG_FRAME, + ZR_GPIO_VID_DIR, + ZR_GPIO_VID_EN, + ZR_GPIO_VID_RESET, + ZR_GPIO_CLK_SEL1, + ZR_GPIO_CLK_SEL2, + ZR_GPIO_MAX, +}; + +enum gpcs_type { + GPCS_JPEG_RESET = 0, + GPCS_JPEG_START, + GPCS_MAX, +}; + +struct zoran_format { + char *name; +#ifdef CONFIG_VIDEO_V4L1_COMPAT + int palette; +#endif + __u32 fourcc; + int colorspace; + int depth; + __u32 flags; + __u32 vfespfr; +}; +/* flags */ +#define ZORAN_FORMAT_COMPRESSED 1<<0 +#define ZORAN_FORMAT_OVERLAY 1<<1 +#define ZORAN_FORMAT_CAPTURE 1<<2 +#define ZORAN_FORMAT_PLAYBACK 1<<3 + +/* overlay-settings */ +struct zoran_overlay_settings { + int is_set; + int x, y, width, height; /* position */ + int clipcount; /* position and number of clips */ + const struct zoran_format *format; /* overlay format */ +}; + +/* v4l-capture settings */ +struct zoran_v4l_settings { + int width, height, bytesperline; /* capture size */ + const struct zoran_format *format; /* capture format */ +}; + +/* jpg-capture/-playback settings */ +struct zoran_jpg_settings { + int decimation; /* this bit is used to set everything to default */ + int HorDcm, VerDcm, TmpDcm; /* capture decimation settings (TmpDcm=1 means both fields) */ + int field_per_buff, odd_even; /* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */ + int img_x, img_y, img_width, img_height; /* crop settings (subframe capture) */ + struct v4l2_jpegcompression jpg_comp; /* JPEG-specific capture settings */ +}; + +struct zoran_mapping { + struct file *file; + int count; +}; + +struct zoran_jpg_buffer { + struct zoran_mapping *map; + __le32 *frag_tab; /* addresses of frag table */ + u32 frag_tab_bus; /* same value cached to save time in ISR */ + enum zoran_buffer_state state; /* non-zero if corresponding buffer is in use in grab queue */ + struct zoran_sync bs; /* DONE: info to return to application */ +}; + +struct zoran_v4l_buffer { + struct zoran_mapping *map; + char *fbuffer; /* virtual address of frame buffer */ + unsigned long fbuffer_phys; /* physical address of frame buffer */ + unsigned long fbuffer_bus; /* bus address of frame buffer */ + enum zoran_buffer_state state; /* state: unused/pending/done */ + struct zoran_sync bs; /* DONE: info to return to application */ +}; + +enum zoran_lock_activity { + ZORAN_FREE, /* free for use */ + ZORAN_ACTIVE, /* active but unlocked */ + ZORAN_LOCKED, /* locked */ +}; + +/* buffer collections */ +struct zoran_jpg_struct { + enum zoran_lock_activity active; /* feature currently in use? */ + struct zoran_jpg_buffer buffer[BUZ_MAX_FRAME]; /* buffers */ + int num_buffers, buffer_size; + u8 allocated; /* Flag if buffers are allocated */ + u8 ready_to_be_freed; /* hack - see zoran_driver.c */ + u8 need_contiguous; /* Flag if contiguous buffers are needed */ +}; + +struct zoran_v4l_struct { + enum zoran_lock_activity active; /* feature currently in use? */ + struct zoran_v4l_buffer buffer[VIDEO_MAX_FRAME]; /* buffers */ + int num_buffers, buffer_size; + u8 allocated; /* Flag if buffers are allocated */ + u8 ready_to_be_freed; /* hack - see zoran_driver.c */ +}; + +struct zoran; + +/* zoran_fh contains per-open() settings */ +struct zoran_fh { + struct zoran *zr; + + enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */ + + struct zoran_overlay_settings overlay_settings; + u32 *overlay_mask; /* overlay mask */ + enum zoran_lock_activity overlay_active; /* feature currently in use? */ + + struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ + struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */ + + struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ + struct zoran_jpg_struct jpg_buffers; /* MJPEG buffers' info */ +}; + +struct card_info { + enum card_type type; + char name[32]; + u16 i2c_decoder, i2c_encoder; /* I2C types */ + u16 video_vfe, video_codec; /* videocodec types */ + u16 audio_chip; /* audio type */ + u16 vendor_id, device_id; /* subsystem vendor/device ID */ + + int inputs; /* number of video inputs */ + struct input { + int muxsel; + char name[32]; + } input[BUZ_MAX_INPUT]; + + int norms; + struct tvnorm *tvn[3]; /* supported TV norms */ + + u32 jpeg_int; /* JPEG interrupt */ + u32 vsync_int; /* VSYNC interrupt */ + s8 gpio[ZR_GPIO_MAX]; + u8 gpcs[GPCS_MAX]; + + struct vfe_polarity vfe_pol; + u8 gpio_pol[ZR_GPIO_MAX]; + + /* is the /GWS line conected? */ + u8 gws_not_connected; + + /* avs6eyes mux setting */ + u8 input_mux; + + void (*init) (struct zoran * zr); +}; + +struct zoran { + struct video_device *video_dev; + + struct i2c_adapter i2c_adapter; /* */ + struct i2c_algo_bit_data i2c_algo; /* */ + u32 i2cbr; + + struct i2c_client *decoder; /* video decoder i2c client */ + struct i2c_client *encoder; /* video encoder i2c client */ + + struct videocodec *codec; /* video codec */ + struct videocodec *vfe; /* video front end */ + + struct mutex resource_lock; /* prevent evil stuff */ + + u8 initialized; /* flag if zoran has been correctly initalized */ + int user; /* number of current users */ + struct card_info card; + struct tvnorm *timing; + + unsigned short id; /* number of this device */ + char name[32]; /* name of this device */ + struct pci_dev *pci_dev; /* PCI device */ + unsigned char revision; /* revision of zr36057 */ + unsigned int zr36057_adr; /* bus address of IO mem returned by PCI BIOS */ + unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ + + spinlock_t spinlock; /* Spinlock */ + + /* Video for Linux parameters */ + int input, norm; /* card's norm and input - norm=VIDEO_MODE_* */ + int hue, saturation, contrast, brightness; /* Current picture params */ + struct video_buffer buffer; /* Current buffer params */ + struct zoran_overlay_settings overlay_settings; + u32 *overlay_mask; /* overlay mask */ + enum zoran_lock_activity overlay_active; /* feature currently in use? */ + + wait_queue_head_t v4l_capq; + + int v4l_overlay_active; /* Overlay grab is activated */ + int v4l_memgrab_active; /* Memory grab is activated */ + + int v4l_grab_frame; /* Frame number being currently grabbed */ +#define NO_GRAB_ACTIVE (-1) + unsigned long v4l_grab_seq; /* Number of frames grabbed */ + struct zoran_v4l_settings v4l_settings; /* structure with a lot of things to play with */ + + /* V4L grab queue of frames pending */ + unsigned long v4l_pend_head; + unsigned long v4l_pend_tail; + unsigned long v4l_sync_tail; + int v4l_pend[V4L_MAX_FRAME]; + struct zoran_v4l_struct v4l_buffers; /* V4L buffers' info */ + + /* Buz MJPEG parameters */ + enum zoran_codec_mode codec_mode; /* status of codec */ + struct zoran_jpg_settings jpg_settings; /* structure with a lot of things to play with */ + + wait_queue_head_t jpg_capq; /* wait here for grab to finish */ + + /* grab queue counts/indices, mask with BUZ_MASK_STAT_COM before using as index */ + /* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */ + /* (value & BUZ_MASK_STAT_COM) corresponds to index in stat_com table */ + unsigned long jpg_que_head; /* Index where to put next buffer which is queued */ + unsigned long jpg_dma_head; /* Index of next buffer which goes into stat_com */ + unsigned long jpg_dma_tail; /* Index of last buffer in stat_com */ + unsigned long jpg_que_tail; /* Index of last buffer in queue */ + unsigned long jpg_seq_num; /* count of frames since grab/play started */ + unsigned long jpg_err_seq; /* last seq_num before error */ + unsigned long jpg_err_shift; + unsigned long jpg_queued_num; /* count of frames queued since grab/play started */ + + /* zr36057's code buffer table */ + __le32 *stat_com; /* stat_com[i] is indexed by dma_head/tail & BUZ_MASK_STAT_COM */ + + /* (value & BUZ_MASK_FRAME) corresponds to index in pend[] queue */ + int jpg_pend[BUZ_MAX_FRAME]; + + /* array indexed by frame number */ + struct zoran_jpg_struct jpg_buffers; /* MJPEG buffers' info */ + + /* Additional stuff for testing */ +#ifdef CONFIG_PROC_FS + struct proc_dir_entry *zoran_proc; +#else + void *zoran_proc; +#endif + int testing; + int jpeg_error; + int intr_counter_GIRQ1; + int intr_counter_GIRQ0; + int intr_counter_CodRepIRQ; + int intr_counter_JPEGRepIRQ; + int field_counter; + int IRQ1_in; + int IRQ1_out; + int JPEG_in; + int JPEG_out; + int JPEG_0; + int JPEG_1; + int END_event_missed; + int JPEG_missed; + int JPEG_error; + int num_errors; + int JPEG_max_missed; + int JPEG_min_missed; + + u32 last_isr; + unsigned long frame_num; + + wait_queue_head_t test_q; +}; + +/*The following should be done in more portable way. It depends on define + of _ALPHA_BUZ in the Makefile.*/ + +#ifdef _ALPHA_BUZ +#define btwrite(dat,adr) writel((dat), zr->zr36057_adr+(adr)) +#define btread(adr) readl(zr->zr36057_adr+(adr)) +#else +#define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr)) +#define btread(adr) readl(zr->zr36057_mem+(adr)) +#endif + +#define btand(dat,adr) btwrite((dat) & btread(adr), adr) +#define btor(dat,adr) btwrite((dat) | btread(adr), adr) +#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) + +#endif /* __kernel__ */ + +#endif diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c new file mode 100644 index 00000000000..fa5f2f8f518 --- /dev/null +++ b/drivers/media/video/zoran/zoran_card.c @@ -0,0 +1,1671 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles card-specific data and detection + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/delay.h> + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/vmalloc.h> + +#include <linux/proc_fs.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/videodev.h> +#include <media/v4l2-common.h> +#include <linux/spinlock.h> +#include <linux/sem.h> +#include <linux/kmod.h> +#include <linux/wait.h> + +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/video_decoder.h> +#include <linux/video_encoder.h> +#include <linux/mutex.h> + +#include <asm/io.h> + +#include "videocodec.h" +#include "zoran.h" +#include "zoran_card.h" +#include "zoran_device.h" +#include "zoran_procfs.h" + +extern const struct zoran_format zoran_formats[]; + +static int card[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(card, int, NULL, 0444); +MODULE_PARM_DESC(card, "The type of card"); + +static int encoder[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(encoder, int, NULL, 0444); +MODULE_PARM_DESC(encoder, "i2c TV encoder"); + +static int decoder[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(decoder, int, NULL, 0444); +MODULE_PARM_DESC(decoder, "i2c TV decoder"); + +/* + The video mem address of the video card. + The driver has a little database for some videocards + to determine it from there. If your video card is not in there + you have either to give it to the driver as a parameter + or set in in a VIDIOCSFBUF ioctl + */ + +static unsigned long vidmem; /* default = 0 - Video memory base address */ +module_param(vidmem, ulong, 0444); +MODULE_PARM_DESC(vidmem, "Default video memory base address"); + +/* + Default input and video norm at startup of the driver. +*/ + +static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */ +module_param(default_input, uint, 0444); +MODULE_PARM_DESC(default_input, + "Default input (0=Composite, 1=S-Video, 2=Internal)"); + +static int default_mux = 1; /* 6 Eyes input selection */ +module_param(default_mux, int, 0644); +MODULE_PARM_DESC(default_mux, + "Default 6 Eyes mux setting (Input selection)"); + +static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */ +module_param(default_norm, int, 0444); +MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)"); + +/* /dev/videoN, -1 for autodetect */ +static int video_nr[BUZ_MAX] = {-1, -1, -1, -1}; +module_param_array(video_nr, int, NULL, 0444); +MODULE_PARM_DESC(video_nr, "video device number (-1=Auto)"); + +/* + Number and size of grab buffers for Video 4 Linux + The vast majority of applications should not need more than 2, + the very popular BTTV driver actually does ONLY have 2. + Time sensitive applications might need more, the maximum + is VIDEO_MAX_FRAME (defined in <linux/videodev.h>). + + The size is set so that the maximum possible request + can be satisfied. Decrease it, if bigphys_area alloc'd + memory is low. If you don't have the bigphys_area patch, + set it to 128 KB. Will you allow only to grab small + images with V4L, but that's better than nothing. + + v4l_bufsize has to be given in KB ! + +*/ + +int v4l_nbufs = 2; +int v4l_bufsize = 128; /* Everybody should be able to work with this setting */ +module_param(v4l_nbufs, int, 0644); +MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use"); +module_param(v4l_bufsize, int, 0644); +MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)"); + +int jpg_nbufs = 32; +int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */ +module_param(jpg_nbufs, int, 0644); +MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use"); +module_param(jpg_bufsize, int, 0644); +MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)"); + +int pass_through = 0; /* 1=Pass through TV signal when device is not used */ + /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */ +module_param(pass_through, int, 0644); +MODULE_PARM_DESC(pass_through, + "Pass TV signal through to TV-out when idling"); + +int zr36067_debug = 1; +module_param_named(debug, zr36067_debug, int, 0644); +MODULE_PARM_DESC(debug, "Debug level (0-5)"); + +MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); +MODULE_AUTHOR("Serguei Miridonov"); +MODULE_LICENSE("GPL"); + +static struct pci_device_id zr36067_pci_tbl[] = { + {PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {0} +}; +MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl); + +int zoran_num; /* number of Buzs in use */ +struct zoran *zoran[BUZ_MAX]; + +/* videocodec bus functions ZR36060 */ +static u32 +zr36060_read (struct videocodec *codec, + u16 reg) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + __u32 data; + + if (post_office_wait(zr) + || post_office_write(zr, 0, 1, reg >> 8) + || post_office_write(zr, 0, 2, reg & 0xff)) { + return -1; + } + + data = post_office_read(zr, 0, 3) & 0xff; + return data; +} + +static void +zr36060_write (struct videocodec *codec, + u16 reg, + u32 val) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + + if (post_office_wait(zr) + || post_office_write(zr, 0, 1, reg >> 8) + || post_office_write(zr, 0, 2, reg & 0xff)) { + return; + } + + post_office_write(zr, 0, 3, val & 0xff); +} + +/* videocodec bus functions ZR36050 */ +static u32 +zr36050_read (struct videocodec *codec, + u16 reg) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + __u32 data; + + if (post_office_wait(zr) + || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES + return -1; + } + + data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read + return data; +} + +static void +zr36050_write (struct videocodec *codec, + u16 reg, + u32 val) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + + if (post_office_wait(zr) + || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES + return; + } + + post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data +} + +/* videocodec bus functions ZR36016 */ +static u32 +zr36016_read (struct videocodec *codec, + u16 reg) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + __u32 data; + + if (post_office_wait(zr)) { + return -1; + } + + data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read + return data; +} + +/* hack for in zoran_device.c */ +void +zr36016_write (struct videocodec *codec, + u16 reg, + u32 val) +{ + struct zoran *zr = (struct zoran *) codec->master_data->data; + + if (post_office_wait(zr)) { + return; + } + + post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data +} + +/* + * Board specific information + */ + +static void +dc10_init (struct zoran *zr) +{ + dprintk(3, KERN_DEBUG "%s: dc10_init()\n", ZR_DEVNAME(zr)); + + /* Pixel clock selection */ + GPIO(zr, 4, 0); + GPIO(zr, 5, 1); + /* Enable the video bus sync signals */ + GPIO(zr, 7, 0); +} + +static void +dc10plus_init (struct zoran *zr) +{ + dprintk(3, KERN_DEBUG "%s: dc10plus_init()\n", ZR_DEVNAME(zr)); +} + +static void +buz_init (struct zoran *zr) +{ + dprintk(3, KERN_DEBUG "%s: buz_init()\n", ZR_DEVNAME(zr)); + + /* some stuff from Iomega */ + pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15); + pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020); + pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000); +} + +static void +lml33_init (struct zoran *zr) +{ + dprintk(3, KERN_DEBUG "%s: lml33_init()\n", ZR_DEVNAME(zr)); + + GPIO(zr, 2, 1); // Set Composite input/output +} + +static void +avs6eyes_init (struct zoran *zr) +{ + // AverMedia 6-Eyes original driver by Christer Weinigel + + // Lifted straight from Christer's old driver and + // modified slightly by Martin Samuelsson. + + int mux = default_mux; /* 1 = BT866, 7 = VID1 */ + + GPIO(zr, 4, 1); /* Bt866 SLEEP on */ + udelay(2); + + GPIO(zr, 0, 1); /* ZR36060 /RESET on */ + GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */ + GPIO(zr, 2, mux & 1); /* MUX S0 */ + GPIO(zr, 3, 0); /* /FRAME on */ + GPIO(zr, 4, 0); /* Bt866 SLEEP off */ + GPIO(zr, 5, mux & 2); /* MUX S1 */ + GPIO(zr, 6, 0); /* ? */ + GPIO(zr, 7, mux & 4); /* MUX S2 */ + +} + +static char * +i2cid_to_modulename (u16 i2c_id) +{ + char *name = NULL; + + switch (i2c_id) { + case I2C_DRIVERID_SAA7110: + name = "saa7110"; + break; + case I2C_DRIVERID_SAA7111A: + name = "saa7111"; + break; + case I2C_DRIVERID_SAA7114: + name = "saa7114"; + break; + case I2C_DRIVERID_SAA7185B: + name = "saa7185"; + break; + case I2C_DRIVERID_ADV7170: + name = "adv7170"; + break; + case I2C_DRIVERID_ADV7175: + name = "adv7175"; + break; + case I2C_DRIVERID_BT819: + name = "bt819"; + break; + case I2C_DRIVERID_BT856: + name = "bt856"; + break; + case I2C_DRIVERID_BT866: + name = "bt866"; + break; + case I2C_DRIVERID_VPX3220: + name = "vpx3220"; + break; + case I2C_DRIVERID_KS0127: + name = "ks0127"; + break; + } + + return name; +} + +static char * +codecid_to_modulename (u16 codecid) +{ + char *name = NULL; + + switch (codecid) { + case CODEC_TYPE_ZR36060: + name = "zr36060"; + break; + case CODEC_TYPE_ZR36050: + name = "zr36050"; + break; + case CODEC_TYPE_ZR36016: + name = "zr36016"; + break; + } + + return name; +} + +// struct tvnorm { +// u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart; +// }; + +static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 }; +static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 }; +static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 }; +static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 }; + +static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 }; +static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 }; + +/* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */ +static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 }; +static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 }; + +/* FIXME: I cannot swap U and V in saa7114, so i do one + * pixel left shift in zoran (75 -> 74) + * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */ +static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 }; +static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 }; + +/* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I + * copy Maxim's left shift hack for the 6 Eyes. + * + * Christer's driver used the unshifted norms, though... + * /Sam */ +static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 }; +static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 }; + +static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { + { + .type = DC10_old, + .name = "DC10(old)", + .i2c_decoder = I2C_DRIVERID_VPX3220, + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .tvn = { + &f50sqpixel_dc10, + &f60sqpixel_dc10, + &f50sqpixel_dc10 + }, + .jpeg_int = 0, + .vsync_int = ZR36057_ISR_GIRQ1, + .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, + .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, + .gpcs = { -1, 0 }, + .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gws_not_connected = 0, + .input_mux = 0, + .init = &dc10_init, + }, { + .type = DC10_new, + .name = "DC10(new)", + .i2c_decoder = I2C_DRIVERID_SAA7110, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 3, + .input = { + { 0, "Composite" }, + { 7, "S-Video" }, + { 5, "Internal/comp" } + }, + .norms = 3, + .tvn = { + &f50sqpixel, + &f60sqpixel, + &f50sqpixel}, + .jpeg_int = ZR36057_ISR_GIRQ0, + .vsync_int = ZR36057_ISR_GIRQ1, + .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, + .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gpcs = { -1, 1}, + .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, + .gws_not_connected = 0, + .input_mux = 0, + .init = &dc10plus_init, + }, { + .type = DC10plus, + .name = "DC10plus", + .vendor_id = PCI_VENDOR_ID_MIRO, + .device_id = PCI_DEVICE_ID_MIRO_DC10PLUS, + .i2c_decoder = I2C_DRIVERID_SAA7110, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 3, + .input = { + { 0, "Composite" }, + { 7, "S-Video" }, + { 5, "Internal/comp" } + }, + .norms = 3, + .tvn = { + &f50sqpixel, + &f60sqpixel, + &f50sqpixel + }, + .jpeg_int = ZR36057_ISR_GIRQ0, + .vsync_int = ZR36057_ISR_GIRQ1, + .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, + .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gpcs = { -1, 1 }, + .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, + .gws_not_connected = 0, + .input_mux = 0, + .init = &dc10plus_init, + }, { + .type = DC30, + .name = "DC30", + .i2c_decoder = I2C_DRIVERID_VPX3220, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .tvn = { + &f50sqpixel_dc10, + &f60sqpixel_dc10, + &f50sqpixel_dc10 + }, + .jpeg_int = 0, + .vsync_int = ZR36057_ISR_GIRQ1, + .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, + .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, + .gpcs = { -1, 0 }, + .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gws_not_connected = 0, + .input_mux = 0, + .init = &dc10_init, + }, { + .type = DC30plus, + .name = "DC30plus", + .vendor_id = PCI_VENDOR_ID_MIRO, + .device_id = PCI_DEVICE_ID_MIRO_DC30PLUS, + .i2c_decoder = I2C_DRIVERID_VPX3220, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .tvn = { + &f50sqpixel_dc10, + &f60sqpixel_dc10, + &f50sqpixel_dc10 + }, + .jpeg_int = 0, + .vsync_int = ZR36057_ISR_GIRQ1, + .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, + .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, + .gpcs = { -1, 0 }, + .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gws_not_connected = 0, + .input_mux = 0, + .init = &dc10_init, + }, { + .type = LML33, + .name = "LML33", + .i2c_decoder = I2C_DRIVERID_BT819, + .i2c_encoder = I2C_DRIVERID_BT856, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 0, "Composite" }, + { 7, "S-Video" } + }, + .norms = 2, + .tvn = { + &f50ccir601_lml33, + &f60ccir601_lml33, + NULL + }, + .jpeg_int = ZR36057_ISR_GIRQ1, + .vsync_int = ZR36057_ISR_GIRQ0, + .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, + .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, + .gpcs = { 3, 1 }, + .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, + .gws_not_connected = 1, + .input_mux = 0, + .init = &lml33_init, + }, { + .type = LML33R10, + .name = "LML33R10", + .vendor_id = PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, + .device_id = PCI_DEVICE_ID_LML_33R10, + .i2c_decoder = I2C_DRIVERID_SAA7114, + .i2c_encoder = I2C_DRIVERID_ADV7170, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 0, "Composite" }, + { 7, "S-Video" } + }, + .norms = 2, + .tvn = { + &f50ccir601_lm33r10, + &f60ccir601_lm33r10, + NULL + }, + .jpeg_int = ZR36057_ISR_GIRQ1, + .vsync_int = ZR36057_ISR_GIRQ0, + .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, + .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, + .gpcs = { 3, 1 }, + .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, + .gws_not_connected = 1, + .input_mux = 0, + .init = &lml33_init, + }, { + .type = BUZ, + .name = "Buz", + .vendor_id = PCI_VENDOR_ID_IOMEGA, + .device_id = PCI_DEVICE_ID_IOMEGA_BUZ, + .i2c_decoder = I2C_DRIVERID_SAA7111A, + .i2c_encoder = I2C_DRIVERID_SAA7185B, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 3, "Composite" }, + { 7, "S-Video" } + }, + .norms = 3, + .tvn = { + &f50ccir601, + &f60ccir601, + &f50ccir601 + }, + .jpeg_int = ZR36057_ISR_GIRQ1, + .vsync_int = ZR36057_ISR_GIRQ0, + .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 }, + .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, + .gpcs = { 3, 1 }, + .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, + .gws_not_connected = 1, + .input_mux = 0, + .init = &buz_init, + }, { + .type = AVS6EYES, + .name = "6-Eyes", + /* AverMedia chose not to brand the 6-Eyes. Thus it + can't be autodetected, and requires card=x. */ + .vendor_id = -1, + .device_id = -1, + .i2c_decoder = I2C_DRIVERID_KS0127, + .i2c_encoder = I2C_DRIVERID_BT866, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 10, + .input = { + { 0, "Composite 1" }, + { 1, "Composite 2" }, + { 2, "Composite 3" }, + { 4, "Composite 4" }, + { 5, "Composite 5" }, + { 6, "Composite 6" }, + { 8, "S-Video 1" }, + { 9, "S-Video 2" }, + {10, "S-Video 3" }, + {15, "YCbCr" } + }, + .norms = 2, + .tvn = { + &f50ccir601_avs6eyes, + &f60ccir601_avs6eyes, + NULL + }, + .jpeg_int = ZR36057_ISR_GIRQ1, + .vsync_int = ZR36057_ISR_GIRQ0, + .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam + .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam + .gpcs = { 3, 1 }, // Validity unknown /Sam + .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam + .gws_not_connected = 1, + .input_mux = 1, + .init = &avs6eyes_init, + } + +}; + +/* + * I2C functions + */ +/* software I2C functions */ +static int +zoran_i2c_getsda (void *data) +{ + struct zoran *zr = (struct zoran *) data; + + return (btread(ZR36057_I2CBR) >> 1) & 1; +} + +static int +zoran_i2c_getscl (void *data) +{ + struct zoran *zr = (struct zoran *) data; + + return btread(ZR36057_I2CBR) & 1; +} + +static void +zoran_i2c_setsda (void *data, + int state) +{ + struct zoran *zr = (struct zoran *) data; + + if (state) + zr->i2cbr |= 2; + else + zr->i2cbr &= ~2; + btwrite(zr->i2cbr, ZR36057_I2CBR); +} + +static void +zoran_i2c_setscl (void *data, + int state) +{ + struct zoran *zr = (struct zoran *) data; + + if (state) + zr->i2cbr |= 1; + else + zr->i2cbr &= ~1; + btwrite(zr->i2cbr, ZR36057_I2CBR); +} + +static int +zoran_i2c_client_register (struct i2c_client *client) +{ + struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter); + int res = 0; + + dprintk(2, + KERN_DEBUG "%s: i2c_client_register() - driver id = %d\n", + ZR_DEVNAME(zr), client->driver->id); + + mutex_lock(&zr->resource_lock); + + if (zr->user > 0) { + /* we're already busy, so we keep a reference to + * them... Could do a lot of stuff here, but this + * is easiest. (Did I ever mention I'm a lazy ass?) + */ + res = -EBUSY; + goto clientreg_unlock_and_return; + } + + if (client->driver->id == zr->card.i2c_decoder) + zr->decoder = client; + else if (client->driver->id == zr->card.i2c_encoder) + zr->encoder = client; + else { + res = -ENODEV; + goto clientreg_unlock_and_return; + } + +clientreg_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; +} + +static int +zoran_i2c_client_unregister (struct i2c_client *client) +{ + struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter); + int res = 0; + + dprintk(2, KERN_DEBUG "%s: i2c_client_unregister()\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + + if (zr->user > 0) { + res = -EBUSY; + goto clientunreg_unlock_and_return; + } + + /* try to locate it */ + if (client == zr->encoder) { + zr->encoder = NULL; + } else if (client == zr->decoder) { + zr->decoder = NULL; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%d]", zr->id); + } +clientunreg_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; +} + +static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = { + .setsda = zoran_i2c_setsda, + .setscl = zoran_i2c_setscl, + .getsda = zoran_i2c_getsda, + .getscl = zoran_i2c_getscl, + .udelay = 10, + .timeout = 100, +}; + +static int +zoran_register_i2c (struct zoran *zr) +{ + memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template, + sizeof(struct i2c_algo_bit_data)); + zr->i2c_algo.data = zr; + zr->i2c_adapter.class = I2C_CLASS_TV_ANALOG; + zr->i2c_adapter.id = I2C_HW_B_ZR36067; + zr->i2c_adapter.client_register = zoran_i2c_client_register; + zr->i2c_adapter.client_unregister = zoran_i2c_client_unregister; + strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr), + sizeof(zr->i2c_adapter.name)); + i2c_set_adapdata(&zr->i2c_adapter, zr); + zr->i2c_adapter.algo_data = &zr->i2c_algo; + zr->i2c_adapter.dev.parent = &zr->pci_dev->dev; + return i2c_bit_add_bus(&zr->i2c_adapter); +} + +static void +zoran_unregister_i2c (struct zoran *zr) +{ + i2c_del_adapter(&zr->i2c_adapter); +} + +/* Check a zoran_params struct for correctness, insert default params */ + +int +zoran_check_jpg_settings (struct zoran *zr, + struct zoran_jpg_settings *settings) +{ + int err = 0, err0 = 0; + + dprintk(4, + KERN_DEBUG + "%s: check_jpg_settings() - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n", + ZR_DEVNAME(zr), settings->decimation, settings->HorDcm, + settings->VerDcm, settings->TmpDcm); + dprintk(4, + KERN_DEBUG + "%s: check_jpg_settings() - x: %d, y: %d, w: %d, y: %d\n", + ZR_DEVNAME(zr), settings->img_x, settings->img_y, + settings->img_width, settings->img_height); + /* Check decimation, set default values for decimation = 1, 2, 4 */ + switch (settings->decimation) { + case 1: + + settings->HorDcm = 1; + settings->VerDcm = 1; + settings->TmpDcm = 1; + settings->field_per_buff = 2; + settings->img_x = 0; + settings->img_y = 0; + settings->img_width = BUZ_MAX_WIDTH; + settings->img_height = BUZ_MAX_HEIGHT / 2; + break; + case 2: + + settings->HorDcm = 2; + settings->VerDcm = 1; + settings->TmpDcm = 2; + settings->field_per_buff = 1; + settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; + settings->img_y = 0; + settings->img_width = + (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; + settings->img_height = BUZ_MAX_HEIGHT / 2; + break; + case 4: + + if (zr->card.type == DC10_new) { + dprintk(1, + KERN_DEBUG + "%s: check_jpg_settings() - HDec by 4 is not supported on the DC10\n", + ZR_DEVNAME(zr)); + err0++; + break; + } + + settings->HorDcm = 4; + settings->VerDcm = 2; + settings->TmpDcm = 2; + settings->field_per_buff = 1; + settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; + settings->img_y = 0; + settings->img_width = + (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; + settings->img_height = BUZ_MAX_HEIGHT / 2; + break; + case 0: + + /* We have to check the data the user has set */ + + if (settings->HorDcm != 1 && settings->HorDcm != 2 && + (zr->card.type == DC10_new || settings->HorDcm != 4)) + err0++; + if (settings->VerDcm != 1 && settings->VerDcm != 2) + err0++; + if (settings->TmpDcm != 1 && settings->TmpDcm != 2) + err0++; + if (settings->field_per_buff != 1 && + settings->field_per_buff != 2) + err0++; + if (settings->img_x < 0) + err0++; + if (settings->img_y < 0) + err0++; + if (settings->img_width < 0) + err0++; + if (settings->img_height < 0) + err0++; + if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) + err0++; + if (settings->img_y + settings->img_height > + BUZ_MAX_HEIGHT / 2) + err0++; + if (settings->HorDcm && settings->VerDcm) { + if (settings->img_width % + (16 * settings->HorDcm) != 0) + err0++; + if (settings->img_height % + (8 * settings->VerDcm) != 0) + err0++; + } + + if (err0) { + dprintk(1, + KERN_ERR + "%s: check_jpg_settings() - error in params for decimation = 0\n", + ZR_DEVNAME(zr)); + err++; + } + break; + default: + dprintk(1, + KERN_ERR + "%s: check_jpg_settings() - decimation = %d, must be 0, 1, 2 or 4\n", + ZR_DEVNAME(zr), settings->decimation); + err++; + break; + } + + if (settings->jpg_comp.quality > 100) + settings->jpg_comp.quality = 100; + if (settings->jpg_comp.quality < 5) + settings->jpg_comp.quality = 5; + if (settings->jpg_comp.APPn < 0) + settings->jpg_comp.APPn = 0; + if (settings->jpg_comp.APPn > 15) + settings->jpg_comp.APPn = 15; + if (settings->jpg_comp.APP_len < 0) + settings->jpg_comp.APP_len = 0; + if (settings->jpg_comp.APP_len > 60) + settings->jpg_comp.APP_len = 60; + if (settings->jpg_comp.COM_len < 0) + settings->jpg_comp.COM_len = 0; + if (settings->jpg_comp.COM_len > 60) + settings->jpg_comp.COM_len = 60; + if (err) + return -EINVAL; + return 0; +} + +void +zoran_open_init_params (struct zoran *zr) +{ + int i; + + /* User must explicitly set a window */ + zr->overlay_settings.is_set = 0; + zr->overlay_mask = NULL; + zr->overlay_active = ZORAN_FREE; + + zr->v4l_memgrab_active = 0; + zr->v4l_overlay_active = 0; + zr->v4l_grab_frame = NO_GRAB_ACTIVE; + zr->v4l_grab_seq = 0; + zr->v4l_settings.width = 192; + zr->v4l_settings.height = 144; + zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */ + zr->v4l_settings.bytesperline = + zr->v4l_settings.width * + ((zr->v4l_settings.format->depth + 7) / 8); + + /* DMA ring stuff for V4L */ + zr->v4l_pend_tail = 0; + zr->v4l_pend_head = 0; + zr->v4l_sync_tail = 0; + zr->v4l_buffers.active = ZORAN_FREE; + for (i = 0; i < VIDEO_MAX_FRAME; i++) { + zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ + } + zr->v4l_buffers.allocated = 0; + + for (i = 0; i < BUZ_MAX_FRAME; i++) { + zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ + } + zr->jpg_buffers.active = ZORAN_FREE; + zr->jpg_buffers.allocated = 0; + /* Set necessary params and call zoran_check_jpg_settings to set the defaults */ + zr->jpg_settings.decimation = 1; + zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */ + if (zr->card.type != BUZ) + zr->jpg_settings.odd_even = 1; + else + zr->jpg_settings.odd_even = 0; + zr->jpg_settings.jpg_comp.APPn = 0; + zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */ + memset(zr->jpg_settings.jpg_comp.APP_data, 0, + sizeof(zr->jpg_settings.jpg_comp.APP_data)); + zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */ + memset(zr->jpg_settings.jpg_comp.COM_data, 0, + sizeof(zr->jpg_settings.jpg_comp.COM_data)); + zr->jpg_settings.jpg_comp.jpeg_markers = + JPEG_MARKER_DHT | JPEG_MARKER_DQT; + i = zoran_check_jpg_settings(zr, &zr->jpg_settings); + if (i) + dprintk(1, + KERN_ERR + "%s: zoran_open_init_params() internal error\n", + ZR_DEVNAME(zr)); + + clear_interrupt_counters(zr); + zr->testing = 0; +} + +static void __devinit +test_interrupts (struct zoran *zr) +{ + DEFINE_WAIT(wait); + int timeout, icr; + + clear_interrupt_counters(zr); + + zr->testing = 1; + icr = btread(ZR36057_ICR); + btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR); + prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE); + timeout = schedule_timeout(HZ); + finish_wait(&zr->test_q, &wait); + btwrite(0, ZR36057_ICR); + btwrite(0x78000000, ZR36057_ISR); + zr->testing = 0; + dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr)); + if (timeout) { + dprintk(1, ": time spent: %d\n", 1 * HZ - timeout); + } + if (zr36067_debug > 1) + print_interrupts(zr); + btwrite(icr, ZR36057_ICR); +} + +static int __devinit +zr36057_init (struct zoran *zr) +{ + int j, err; + int two = 2; + int zero = 0; + + dprintk(1, + KERN_INFO + "%s: zr36057_init() - initializing card[%d], zr=%p\n", + ZR_DEVNAME(zr), zr->id, zr); + + /* default setup of all parameters which will persist between opens */ + zr->user = 0; + + init_waitqueue_head(&zr->v4l_capq); + init_waitqueue_head(&zr->jpg_capq); + init_waitqueue_head(&zr->test_q); + zr->jpg_buffers.allocated = 0; + zr->v4l_buffers.allocated = 0; + + zr->buffer.base = (void *) vidmem; + zr->buffer.width = 0; + zr->buffer.height = 0; + zr->buffer.depth = 0; + zr->buffer.bytesperline = 0; + + /* Avoid nonsense settings from user for default input/norm */ + if (default_norm < VIDEO_MODE_PAL && + default_norm > VIDEO_MODE_SECAM) + default_norm = VIDEO_MODE_PAL; + zr->norm = default_norm; + if (!(zr->timing = zr->card.tvn[zr->norm])) { + dprintk(1, + KERN_WARNING + "%s: zr36057_init() - default TV standard not supported by hardware. PAL will be used.\n", + ZR_DEVNAME(zr)); + zr->norm = VIDEO_MODE_PAL; + zr->timing = zr->card.tvn[zr->norm]; + } + + if (default_input > zr->card.inputs-1) { + dprintk(1, + KERN_WARNING + "%s: default_input value %d out of range (0-%d)\n", + ZR_DEVNAME(zr), default_input, zr->card.inputs-1); + default_input = 0; + } + zr->input = default_input; + + /* Should the following be reset at every open ? */ + zr->hue = 32768; + zr->contrast = 32768; + zr->saturation = 32768; + zr->brightness = 32768; + + /* default setup (will be repeated at every open) */ + zoran_open_init_params(zr); + + /* allocate memory *before* doing anything to the hardware + * in case allocation fails */ + zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL); + zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL); + if (!zr->stat_com || !zr->video_dev) { + dprintk(1, + KERN_ERR + "%s: zr36057_init() - kmalloc (STAT_COM) failed\n", + ZR_DEVNAME(zr)); + err = -ENOMEM; + goto exit_free; + } + for (j = 0; j < BUZ_NUM_STAT_COM; j++) { + zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ + } + + /* + * Now add the template and register the device unit. + */ + memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template)); + strcpy(zr->video_dev->name, ZR_DEVNAME(zr)); + err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]); + if (err < 0) + goto exit_unregister; + + zoran_init_hardware(zr); + if (zr36067_debug > 2) + detect_guest_activity(zr); + test_interrupts(zr); + if (!pass_through) { + decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); + encoder_command(zr, ENCODER_SET_INPUT, &two); + } + + zr->zoran_proc = NULL; + zr->initialized = 1; + return 0; + +exit_unregister: + zoran_unregister_i2c(zr); +exit_free: + kfree(zr->stat_com); + kfree(zr->video_dev); + return err; +} + +static void +zoran_release (struct zoran *zr) +{ + if (!zr->initialized) + goto exit_free; + /* unregister videocodec bus */ + if (zr->codec) { + struct videocodec_master *master = zr->codec->master_data; + + videocodec_detach(zr->codec); + kfree(master); + } + if (zr->vfe) { + struct videocodec_master *master = zr->vfe->master_data; + + videocodec_detach(zr->vfe); + kfree(master); + } + + /* unregister i2c bus */ + zoran_unregister_i2c(zr); + /* disable PCI bus-mastering */ + zoran_set_pci_master(zr, 0); + /* put chip into reset */ + btwrite(0, ZR36057_SPGPPCR); + free_irq(zr->pci_dev->irq, zr); + /* unmap and free memory */ + kfree(zr->stat_com); + zoran_proc_cleanup(zr); + iounmap(zr->zr36057_mem); + pci_disable_device(zr->pci_dev); + video_unregister_device(zr->video_dev); +exit_free: + kfree(zr); +} + +void +zoran_vdev_release (struct video_device *vdev) +{ + kfree(vdev); +} + +static struct videocodec_master * __devinit +zoran_setup_videocodec (struct zoran *zr, + int type) +{ + struct videocodec_master *m = NULL; + + m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL); + if (!m) { + dprintk(1, + KERN_ERR + "%s: zoran_setup_videocodec() - no memory\n", + ZR_DEVNAME(zr)); + return m; + } + + /* magic and type are unused for master struct. Makes sense only at + codec structs. + In the past, .type were initialized to the old V4L1 .hardware + value, as VID_HARDWARE_ZR36067 + */ + m->magic = 0L; + m->type = 0; + + m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER; + strncpy(m->name, ZR_DEVNAME(zr), sizeof(m->name)); + m->data = zr; + + switch (type) + { + case CODEC_TYPE_ZR36060: + m->readreg = zr36060_read; + m->writereg = zr36060_write; + m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE; + break; + case CODEC_TYPE_ZR36050: + m->readreg = zr36050_read; + m->writereg = zr36050_write; + m->flags |= CODEC_FLAG_JPEG; + break; + case CODEC_TYPE_ZR36016: + m->readreg = zr36016_read; + m->writereg = zr36016_write; + m->flags |= CODEC_FLAG_VFE; + break; + } + + return m; +} + +/* + * Scan for a Buz card (actually for the PCI controller ZR36057), + * request the irq and map the io memory + */ +static int __devinit +find_zr36057 (void) +{ + unsigned char latency, need_latency; + struct zoran *zr; + struct pci_dev *dev = NULL; + int result; + struct videocodec_master *master_vfe = NULL; + struct videocodec_master *master_codec = NULL; + int card_num; + char *i2c_enc_name, *i2c_dec_name, *codec_name, *vfe_name; + + zoran_num = 0; + while (zoran_num < BUZ_MAX && + (dev = pci_get_device(PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) { + card_num = card[zoran_num]; + zr = kzalloc(sizeof(struct zoran), GFP_KERNEL); + if (!zr) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - kzalloc failed\n", + ZORAN_NAME); + continue; + } + zr->pci_dev = dev; + //zr->zr36057_mem = NULL; + zr->id = zoran_num; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); + spin_lock_init(&zr->spinlock); + mutex_init(&zr->resource_lock); + if (pci_enable_device(dev)) + goto zr_free_mem; + zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0); + pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, + &zr->revision); + if (zr->revision < 2) { + dprintk(1, + KERN_INFO + "%s: Zoran ZR36057 (rev %d) irq: %d, memory: 0x%08x.\n", + ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, + zr->zr36057_adr); + + if (card_num == -1) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no card specified, please use the card=X insmod option\n", + ZR_DEVNAME(zr)); + goto zr_free_mem; + } + } else { + int i; + unsigned short ss_vendor, ss_device; + + ss_vendor = zr->pci_dev->subsystem_vendor; + ss_device = zr->pci_dev->subsystem_device; + dprintk(1, + KERN_INFO + "%s: Zoran ZR36067 (rev %d) irq: %d, memory: 0x%08x\n", + ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, + zr->zr36057_adr); + dprintk(1, + KERN_INFO + "%s: subsystem vendor=0x%04x id=0x%04x\n", + ZR_DEVNAME(zr), ss_vendor, ss_device); + if (card_num == -1) { + dprintk(3, + KERN_DEBUG + "%s: find_zr36057() - trying to autodetect card type\n", + ZR_DEVNAME(zr)); + for (i=0;i<NUM_CARDS;i++) { + if (ss_vendor == zoran_cards[i].vendor_id && + ss_device == zoran_cards[i].device_id) { + dprintk(3, + KERN_DEBUG + "%s: find_zr36057() - card %s detected\n", + ZR_DEVNAME(zr), + zoran_cards[i].name); + card_num = i; + break; + } + } + if (i == NUM_CARDS) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - unknown card\n", + ZR_DEVNAME(zr)); + goto zr_free_mem; + } + } + } + + if (card_num < 0 || card_num >= NUM_CARDS) { + dprintk(2, + KERN_ERR + "%s: find_zr36057() - invalid cardnum %d\n", + ZR_DEVNAME(zr), card_num); + goto zr_free_mem; + } + + /* even though we make this a non pointer and thus + * theoretically allow for making changes to this struct + * on a per-individual card basis at runtime, this is + * strongly discouraged. This structure is intended to + * keep general card information, no settings or anything */ + zr->card = zoran_cards[card_num]; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), + "%s[%u]", zr->card.name, zr->id); + + zr->zr36057_mem = ioremap_nocache(zr->zr36057_adr, 0x1000); + if (!zr->zr36057_mem) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - ioremap failed\n", + ZR_DEVNAME(zr)); + goto zr_free_mem; + } + + result = request_irq(zr->pci_dev->irq, + zoran_irq, + IRQF_SHARED | IRQF_DISABLED, + ZR_DEVNAME(zr), + (void *) zr); + if (result < 0) { + if (result == -EINVAL) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - bad irq number or handler\n", + ZR_DEVNAME(zr)); + } else if (result == -EBUSY) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - IRQ %d busy, change your PnP config in BIOS\n", + ZR_DEVNAME(zr), zr->pci_dev->irq); + } else { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't assign irq, error code %d\n", + ZR_DEVNAME(zr), result); + } + goto zr_unmap; + } + + /* set PCI latency timer */ + pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, + &latency); + need_latency = zr->revision > 1 ? 32 : 48; + if (latency != need_latency) { + dprintk(2, + KERN_INFO + "%s: Changing PCI latency from %d to %d.\n", + ZR_DEVNAME(zr), latency, need_latency); + pci_write_config_byte(zr->pci_dev, + PCI_LATENCY_TIMER, + need_latency); + } + + zr36057_restart(zr); + /* i2c */ + dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n", + ZR_DEVNAME(zr)); + + /* i2c decoder */ + if (decoder[zr->id] != -1) { + i2c_dec_name = i2cid_to_modulename(decoder[zr->id]); + zr->card.i2c_decoder = decoder[zr->id]; + } else if (zr->card.i2c_decoder != 0) { + i2c_dec_name = + i2cid_to_modulename(zr->card.i2c_decoder); + } else { + i2c_dec_name = NULL; + } + + if (i2c_dec_name) { + if ((result = request_module(i2c_dec_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_dec_name, result); + } + } + + /* i2c encoder */ + if (encoder[zr->id] != -1) { + i2c_enc_name = i2cid_to_modulename(encoder[zr->id]); + zr->card.i2c_encoder = encoder[zr->id]; + } else if (zr->card.i2c_encoder != 0) { + i2c_enc_name = + i2cid_to_modulename(zr->card.i2c_encoder); + } else { + i2c_enc_name = NULL; + } + + if (i2c_enc_name) { + if ((result = request_module(i2c_enc_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_enc_name, result); + } + } + + if (zoran_register_i2c(zr) < 0) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't initialize i2c bus\n", + ZR_DEVNAME(zr)); + goto zr_free_irq; + } + + dprintk(2, + KERN_INFO "%s: Initializing videocodec bus...\n", + ZR_DEVNAME(zr)); + + if (zr->card.video_codec != 0 && + (codec_name = + codecid_to_modulename(zr->card.video_codec)) != NULL) { + if ((result = request_module(codec_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load modules %s: %d\n", + ZR_DEVNAME(zr), codec_name, result); + } + } + if (zr->card.video_vfe != 0 && + (vfe_name = + codecid_to_modulename(zr->card.video_vfe)) != NULL) { + if ((result = request_module(vfe_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load modules %s: %d\n", + ZR_DEVNAME(zr), vfe_name, result); + } + } + + /* reset JPEG codec */ + jpeg_codec_sleep(zr, 1); + jpeg_codec_reset(zr); + /* video bus enabled */ + /* display codec revision */ + if (zr->card.video_codec != 0) { + master_codec = zoran_setup_videocodec(zr, + zr->card.video_codec); + if (!master_codec) + goto zr_unreg_i2c; + zr->codec = videocodec_attach(master_codec); + if (!zr->codec) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no codec found\n", + ZR_DEVNAME(zr)); + goto zr_free_codec; + } + if (zr->codec->type != zr->card.video_codec) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - wrong codec\n", + ZR_DEVNAME(zr)); + goto zr_detach_codec; + } + } + if (zr->card.video_vfe != 0) { + master_vfe = zoran_setup_videocodec(zr, + zr->card.video_vfe); + if (!master_vfe) + goto zr_detach_codec; + zr->vfe = videocodec_attach(master_vfe); + if (!zr->vfe) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no VFE found\n", + ZR_DEVNAME(zr)); + goto zr_free_vfe; + } + if (zr->vfe->type != zr->card.video_vfe) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() = wrong VFE\n", + ZR_DEVNAME(zr)); + goto zr_detach_vfe; + } + } + /* Success so keep the pci_dev referenced */ + pci_dev_get(zr->pci_dev); + zoran[zoran_num++] = zr; + continue; + + // Init errors + zr_detach_vfe: + videocodec_detach(zr->vfe); + zr_free_vfe: + kfree(master_vfe); + zr_detach_codec: + videocodec_detach(zr->codec); + zr_free_codec: + kfree(master_codec); + zr_unreg_i2c: + zoran_unregister_i2c(zr); + zr_free_irq: + btwrite(0, ZR36057_SPGPPCR); + free_irq(zr->pci_dev->irq, zr); + zr_unmap: + iounmap(zr->zr36057_mem); + zr_free_mem: + kfree(zr); + continue; + } + if (dev) /* Clean up ref count on early exit */ + pci_dev_put(dev); + + if (zoran_num == 0) { + dprintk(1, KERN_INFO "No known MJPEG cards found.\n"); + } + return zoran_num; +} + +static int __init +init_dc10_cards (void) +{ + int i; + + memset(zoran, 0, sizeof(zoran)); + printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n", + MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION); + + /* Look for cards */ + if (find_zr36057() < 0) { + return -EIO; + } + if (zoran_num == 0) + return -ENODEV; + dprintk(1, KERN_INFO "%s: %d card(s) found\n", ZORAN_NAME, + zoran_num); + /* check the parameters we have been given, adjust if necessary */ + if (v4l_nbufs < 2) + v4l_nbufs = 2; + if (v4l_nbufs > VIDEO_MAX_FRAME) + v4l_nbufs = VIDEO_MAX_FRAME; + /* The user specfies the in KB, we want them in byte + * (and page aligned) */ + v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024); + if (v4l_bufsize < 32768) + v4l_bufsize = 32768; + /* 2 MB is arbitrary but sufficient for the maximum possible images */ + if (v4l_bufsize > 2048 * 1024) + v4l_bufsize = 2048 * 1024; + if (jpg_nbufs < 4) + jpg_nbufs = 4; + if (jpg_nbufs > BUZ_MAX_FRAME) + jpg_nbufs = BUZ_MAX_FRAME; + jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024); + if (jpg_bufsize < 8192) + jpg_bufsize = 8192; + if (jpg_bufsize > (512 * 1024)) + jpg_bufsize = 512 * 1024; + /* Use parameter for vidmem or try to find a video card */ + if (vidmem) { + dprintk(1, + KERN_INFO + "%s: Using supplied video memory base address @ 0x%lx\n", + ZORAN_NAME, vidmem); + } + + /* random nonsense */ + dprintk(6, KERN_DEBUG "Jotti is een held!\n"); + + /* some mainboards might not do PCI-PCI data transfer well */ + if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) { + dprintk(1, + KERN_WARNING + "%s: chipset does not support reliable PCI-PCI DMA\n", + ZORAN_NAME); + } + + /* take care of Natoma chipset and a revision 1 zr36057 */ + for (i = 0; i < zoran_num; i++) { + struct zoran *zr = zoran[i]; + + if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) { + zr->jpg_buffers.need_contiguous = 1; + dprintk(1, + KERN_INFO + "%s: ZR36057/Natoma bug, max. buffer size is 128K\n", + ZR_DEVNAME(zr)); + } + + if (zr36057_init(zr) < 0) { + for (i = 0; i < zoran_num; i++) + zoran_release(zoran[i]); + return -EIO; + } + zoran_proc_init(zr); + } + + return 0; +} + +static void __exit +unload_dc10_cards (void) +{ + int i; + + for (i = 0; i < zoran_num; i++) + zoran_release(zoran[i]); +} + +module_init(init_dc10_cards); +module_exit(unload_dc10_cards); diff --git a/drivers/media/video/zoran/zoran_card.h b/drivers/media/video/zoran/zoran_card.h new file mode 100644 index 00000000000..e4dc9d29b40 --- /dev/null +++ b/drivers/media/video/zoran/zoran_card.h @@ -0,0 +1,55 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles card-specific data and detection + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ZORAN_CARD_H__ +#define __ZORAN_CARD_H__ + +extern int zr36067_debug; + +#define dprintk(num, format, args...) \ + do { \ + if (zr36067_debug >= num) \ + printk(format, ##args); \ + } while (0) + +/* Anybody who uses more than four? */ +#define BUZ_MAX 4 +extern int zoran_num; +extern struct zoran *zoran[BUZ_MAX]; + +extern struct video_device zoran_template; + +extern int zoran_check_jpg_settings(struct zoran *zr, + struct zoran_jpg_settings *settings); +extern void zoran_open_init_params(struct zoran *zr); +extern void zoran_vdev_release(struct video_device *vdev); + +void zr36016_write(struct videocodec *codec, u16 reg, u32 val); + +#endif /* __ZORAN_CARD_H__ */ diff --git a/drivers/media/video/zoran/zoran_device.c b/drivers/media/video/zoran/zoran_device.c new file mode 100644 index 00000000000..5d948ff7faf --- /dev/null +++ b/drivers/media/video/zoran/zoran_device.c @@ -0,0 +1,1747 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles device access (PCI/I2C/codec/...) + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/vmalloc.h> + +#include <linux/interrupt.h> +#include <linux/proc_fs.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/videodev.h> +#include <linux/spinlock.h> +#include <linux/sem.h> + +#include <linux/pci.h> +#include <linux/video_decoder.h> +#include <linux/video_encoder.h> +#include <linux/delay.h> +#include <linux/wait.h> + +#include <asm/byteorder.h> +#include <asm/io.h> + +#include "videocodec.h" +#include "zoran.h" +#include "zoran_device.h" +#include "zoran_card.h" + +#define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ + ZR36057_ISR_GIRQ1 | \ + ZR36057_ISR_JPEGRepIRQ ) + +static int lml33dpath; /* default = 0 + * 1 will use digital path in capture + * mode instead of analog. It can be + * used for picture adjustments using + * tool like xawtv while watching image + * on TV monitor connected to the output. + * However, due to absence of 75 Ohm + * load on Bt819 input, there will be + * some image imperfections */ + +module_param(lml33dpath, bool, 0644); +MODULE_PARM_DESC(lml33dpath, + "Use digital path capture mode (on LML33 cards)"); + +static void +zr36057_init_vfe (struct zoran *zr); + +/* + * General Purpose I/O and Guest bus access + */ + +/* + * This is a bit tricky. When a board lacks a GPIO function, the corresponding + * GPIO bit number in the card_info structure is set to 0. + */ + +void +GPIO (struct zoran *zr, + int bit, + unsigned int value) +{ + u32 reg; + u32 mask; + + /* Make sure the bit number is legal + * A bit number of -1 (lacking) gives a mask of 0, + * making it harmless */ + mask = (1 << (24 + bit)) & 0xff000000; + reg = btread(ZR36057_GPPGCR1) & ~mask; + if (value) { + reg |= mask; + } + btwrite(reg, ZR36057_GPPGCR1); + udelay(1); +} + +/* + * Wait til post office is no longer busy + */ + +int +post_office_wait (struct zoran *zr) +{ + u32 por; + +// while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) { + while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) { + /* wait for something to happen */ + } + if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) { + /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ + dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr), + por); + return -1; + } + + return 0; +} + +int +post_office_write (struct zoran *zr, + unsigned int guest, + unsigned int reg, + unsigned int value) +{ + u32 por; + + por = + ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) | + ((reg & 7) << 16) | (value & 0xFF); + btwrite(por, ZR36057_POR); + + return post_office_wait(zr); +} + +int +post_office_read (struct zoran *zr, + unsigned int guest, + unsigned int reg) +{ + u32 por; + + por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16); + btwrite(por, ZR36057_POR); + if (post_office_wait(zr) < 0) { + return -1; + } + + return btread(ZR36057_POR) & 0xFF; +} + +/* + * detect guests + */ + +static void +dump_guests (struct zoran *zr) +{ + if (zr36067_debug > 2) { + int i, guest[8]; + + for (i = 1; i < 8; i++) { // Don't read jpeg codec here + guest[i] = post_office_read(zr, i, 0); + } + + printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); + + for (i = 1; i < 8; i++) { + printk(" 0x%02x", guest[i]); + } + printk("\n"); + } +} + +static inline unsigned long +get_time (void) +{ + struct timeval tv; + + do_gettimeofday(&tv); + return (1000000 * tv.tv_sec + tv.tv_usec); +} + +void +detect_guest_activity (struct zoran *zr) +{ + int timeout, i, j, res, guest[8], guest0[8], change[8][3]; + unsigned long t0, t1; + + dump_guests(zr); + printk(KERN_INFO "%s: Detecting guests activity, please wait...\n", + ZR_DEVNAME(zr)); + for (i = 1; i < 8; i++) { // Don't read jpeg codec here + guest0[i] = guest[i] = post_office_read(zr, i, 0); + } + + timeout = 0; + j = 0; + t0 = get_time(); + while (timeout < 10000) { + udelay(10); + timeout++; + for (i = 1; (i < 8) && (j < 8); i++) { + res = post_office_read(zr, i, 0); + if (res != guest[i]) { + t1 = get_time(); + change[j][0] = (t1 - t0); + t0 = t1; + change[j][1] = i; + change[j][2] = res; + j++; + guest[i] = res; + } + } + if (j >= 8) + break; + } + printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); + + for (i = 1; i < 8; i++) { + printk(" 0x%02x", guest0[i]); + } + printk("\n"); + if (j == 0) { + printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr)); + return; + } + for (i = 0; i < j; i++) { + printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr), + change[i][0], change[i][1], change[i][2]); + } +} + +/* + * JPEG Codec access + */ + +void +jpeg_codec_sleep (struct zoran *zr, + int sleep) +{ + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); + if (!sleep) { + dprintk(3, + KERN_DEBUG + "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n", + ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); + udelay(500); + } else { + dprintk(3, + KERN_DEBUG + "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n", + ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); + udelay(2); + } +} + +int +jpeg_codec_reset (struct zoran *zr) +{ + /* Take the codec out of sleep */ + jpeg_codec_sleep(zr, 0); + + if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { + post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, + 0); + udelay(2); + } else { + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); + udelay(2); + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); + udelay(2); + } + + return 0; +} + +/* + * Set the registers for the size we have specified. Don't bother + * trying to understand this without the ZR36057 manual in front of + * you [AC]. + * + * PS: The manual is free for download in .pdf format from + * www.zoran.com - nicely done those folks. + */ + +static void +zr36057_adjust_vfe (struct zoran *zr, + enum zoran_codec_mode mode) +{ + u32 reg; + + switch (mode) { + case BUZ_MODE_MOTION_DECOMPRESS: + btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); + reg = btread(ZR36057_VFEHCR); + if ((reg & (1 << 10)) && zr->card.type != LML33R10) { + reg += ((1 << 10) | 1); + } + btwrite(reg, ZR36057_VFEHCR); + break; + case BUZ_MODE_MOTION_COMPRESS: + case BUZ_MODE_IDLE: + default: + if (zr->norm == VIDEO_MODE_NTSC || + (zr->card.type == LML33R10 && + zr->norm == VIDEO_MODE_PAL)) + btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); + else + btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); + reg = btread(ZR36057_VFEHCR); + if (!(reg & (1 << 10)) && zr->card.type != LML33R10) { + reg -= ((1 << 10) | 1); + } + btwrite(reg, ZR36057_VFEHCR); + break; + } +} + +/* + * set geometry + */ + +static void +zr36057_set_vfe (struct zoran *zr, + int video_width, + int video_height, + const struct zoran_format *format) +{ + struct tvnorm *tvn; + unsigned HStart, HEnd, VStart, VEnd; + unsigned DispMode; + unsigned VidWinWid, VidWinHt; + unsigned hcrop1, hcrop2, vcrop1, vcrop2; + unsigned Wa, We, Ha, He; + unsigned X, Y, HorDcm, VerDcm; + u32 reg; + unsigned mask_line_size; + + tvn = zr->timing; + + Wa = tvn->Wa; + Ha = tvn->Ha; + + dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n", + ZR_DEVNAME(zr), video_width, video_height); + + if (zr->norm != VIDEO_MODE_PAL && + zr->norm != VIDEO_MODE_NTSC && + zr->norm != VIDEO_MODE_SECAM) { + dprintk(1, + KERN_ERR "%s: set_vfe() - norm = %d not valid\n", + ZR_DEVNAME(zr), zr->norm); + return; + } + if (video_width < BUZ_MIN_WIDTH || + video_height < BUZ_MIN_HEIGHT || + video_width > Wa || video_height > Ha) { + dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n", + ZR_DEVNAME(zr), video_width, video_height); + return; + } + + /**** zr36057 ****/ + + /* horizontal */ + VidWinWid = video_width; + X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); + We = (VidWinWid * 64) / X; + HorDcm = 64 - X; + hcrop1 = 2 * ((tvn->Wa - We) / 4); + hcrop2 = tvn->Wa - We - hcrop1; + HStart = tvn->HStart ? tvn->HStart : 1; + /* (Ronald) Original comment: + * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" + * this is false. It inverses chroma values on the LML33R10 (so Cr + * suddenly is shown as Cb and reverse, really cool effect if you + * want to see blue faces, not useful otherwise). So don't use |1. + * However, the DC10 has '0' as HStart, but does need |1, so we + * use a dirty check... + */ + HEnd = HStart + tvn->Wa - 1; + HStart += hcrop1; + HEnd -= hcrop2; + reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart) + | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd); + if (zr->card.vfe_pol.hsync_pol) + reg |= ZR36057_VFEHCR_HSPol; + btwrite(reg, ZR36057_VFEHCR); + + /* Vertical */ + DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); + VidWinHt = DispMode ? video_height : video_height / 2; + Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); + He = (VidWinHt * 64) / Y; + VerDcm = 64 - Y; + vcrop1 = (tvn->Ha / 2 - He) / 2; + vcrop2 = tvn->Ha / 2 - He - vcrop1; + VStart = tvn->VStart; + VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP + VStart += vcrop1; + VEnd -= vcrop2; + reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart) + | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd); + if (zr->card.vfe_pol.vsync_pol) + reg |= ZR36057_VFEVCR_VSPol; + btwrite(reg, ZR36057_VFEVCR); + + /* scaler and pixel format */ + reg = 0; + reg |= (HorDcm << ZR36057_VFESPFR_HorDcm); + reg |= (VerDcm << ZR36057_VFESPFR_VerDcm); + reg |= (DispMode << ZR36057_VFESPFR_DispMode); + /* RJ: I don't know, why the following has to be the opposite + * of the corresponding ZR36060 setting, but only this way + * we get the correct colors when uncompressing to the screen */ + //reg |= ZR36057_VFESPFR_VCLKPol; /**/ + /* RJ: Don't know if that is needed for NTSC also */ + if (zr->norm != VIDEO_MODE_NTSC) + reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang + reg |= ZR36057_VFESPFR_TopField; + if (HorDcm >= 48) { + reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */ + } else if (HorDcm >= 32) { + reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */ + } else if (HorDcm >= 16) { + reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */ + } + reg |= format->vfespfr; + btwrite(reg, ZR36057_VFESPFR); + + /* display configuration */ + reg = (16 << ZR36057_VDCR_MinPix) + | (VidWinHt << ZR36057_VDCR_VidWinHt) + | (VidWinWid << ZR36057_VDCR_VidWinWid); + if (pci_pci_problems & PCIPCI_TRITON) + // || zr->revision < 1) // Revision 1 has also Triton support + reg &= ~ZR36057_VDCR_Triton; + else + reg |= ZR36057_VDCR_Triton; + btwrite(reg, ZR36057_VDCR); + + /* (Ronald) don't write this if overlay_mask = NULL */ + if (zr->overlay_mask) { + /* Write overlay clipping mask data, but don't enable overlay clipping */ + /* RJ: since this makes only sense on the screen, we use + * zr->overlay_settings.width instead of video_width */ + + mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; + reg = virt_to_bus(zr->overlay_mask); + btwrite(reg, ZR36057_MMTR); + reg = virt_to_bus(zr->overlay_mask + mask_line_size); + btwrite(reg, ZR36057_MMBR); + reg = + mask_line_size - (zr->overlay_settings.width + + 31) / 32; + if (DispMode == 0) + reg += mask_line_size; + reg <<= ZR36057_OCR_MaskStride; + btwrite(reg, ZR36057_OCR); + } + + zr36057_adjust_vfe(zr, zr->codec_mode); +} + +/* + * Switch overlay on or off + */ + +void +zr36057_overlay (struct zoran *zr, + int on) +{ + u32 reg; + + if (on) { + /* do the necessary settings ... */ + btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */ + + zr36057_set_vfe(zr, + zr->overlay_settings.width, + zr->overlay_settings.height, + zr->overlay_settings.format); + + /* Start and length of each line MUST be 4-byte aligned. + * This should be allready checked before the call to this routine. + * All error messages are internal driver checking only! */ + + /* video display top and bottom registers */ + reg = (long) zr->buffer.base + + zr->overlay_settings.x * + ((zr->overlay_settings.format->depth + 7) / 8) + + zr->overlay_settings.y * + zr->buffer.bytesperline; + btwrite(reg, ZR36057_VDTR); + if (reg & 3) + dprintk(1, + KERN_ERR + "%s: zr36057_overlay() - video_address not aligned\n", + ZR_DEVNAME(zr)); + if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) + reg += zr->buffer.bytesperline; + btwrite(reg, ZR36057_VDBR); + + /* video stride, status, and frame grab register */ + reg = zr->buffer.bytesperline - + zr->overlay_settings.width * + ((zr->overlay_settings.format->depth + 7) / 8); + if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) + reg += zr->buffer.bytesperline; + if (reg & 3) + dprintk(1, + KERN_ERR + "%s: zr36057_overlay() - video_stride not aligned\n", + ZR_DEVNAME(zr)); + reg = (reg << ZR36057_VSSFGR_DispStride); + reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */ + btwrite(reg, ZR36057_VSSFGR); + + /* Set overlay clipping */ + if (zr->overlay_settings.clipcount > 0) + btor(ZR36057_OCR_OvlEnable, ZR36057_OCR); + + /* ... and switch it on */ + btor(ZR36057_VDCR_VidEn, ZR36057_VDCR); + } else { + /* Switch it off */ + btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); + } +} + +/* + * The overlay mask has one bit for each pixel on a scan line, + * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels. + */ + +void +write_overlay_mask (struct file *file, + struct video_clip *vp, + int count) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; + u32 *mask; + int x, y, width, height; + unsigned i, j, k; + u32 reg; + + /* fill mask with one bits */ + memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); + reg = 0; + + for (i = 0; i < count; ++i) { + /* pick up local copy of clip */ + x = vp[i].x; + y = vp[i].y; + width = vp[i].width; + height = vp[i].height; + + /* trim clips that extend beyond the window */ + if (x < 0) { + width += x; + x = 0; + } + if (y < 0) { + height += y; + y = 0; + } + if (x + width > fh->overlay_settings.width) { + width = fh->overlay_settings.width - x; + } + if (y + height > fh->overlay_settings.height) { + height = fh->overlay_settings.height - y; + } + + /* ignore degenerate clips */ + if (height <= 0) { + continue; + } + if (width <= 0) { + continue; + } + + /* apply clip for each scan line */ + for (j = 0; j < height; ++j) { + /* reset bit for each pixel */ + /* this can be optimized later if need be */ + mask = fh->overlay_mask + (y + j) * mask_line_size; + for (k = 0; k < width; ++k) { + mask[(x + k) / 32] &= + ~((u32) 1 << (x + k) % 32); + } + } + } +} + +/* Enable/Disable uncompressed memory grabbing of the 36057 */ + +void +zr36057_set_memgrab (struct zoran *zr, + int mode) +{ + if (mode) { + /* We only check SnapShot and not FrameGrab here. SnapShot==1 + * means a capture is already in progress, but FrameGrab==1 + * doesn't necessary mean that. It's more correct to say a 1 + * to 0 transition indicates a capture completed. If a + * capture is pending when capturing is tuned off, FrameGrab + * will be stuck at 1 until capturing is turned back on. + */ + if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) + dprintk(1, + KERN_WARNING + "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", + ZR_DEVNAME(zr)); + + /* switch on VSync interrupts */ + btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts + btor(zr->card.vsync_int, ZR36057_ICR); // SW + + /* enable SnapShot */ + btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); + + /* Set zr36057 video front end and enable video */ + zr36057_set_vfe(zr, zr->v4l_settings.width, + zr->v4l_settings.height, + zr->v4l_settings.format); + + zr->v4l_memgrab_active = 1; + } else { + /* switch off VSync interrupts */ + btand(~zr->card.vsync_int, ZR36057_ICR); // SW + + zr->v4l_memgrab_active = 0; + zr->v4l_grab_frame = NO_GRAB_ACTIVE; + + /* reenable grabbing to screen if it was running */ + if (zr->v4l_overlay_active) { + zr36057_overlay(zr, 1); + } else { + btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); + btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); + } + } +} + +int +wait_grab_pending (struct zoran *zr) +{ + unsigned long flags; + + /* wait until all pending grabs are finished */ + + if (!zr->v4l_memgrab_active) + return 0; + + wait_event_interruptible(zr->v4l_capq, + (zr->v4l_pend_tail == zr->v4l_pend_head)); + if (signal_pending(current)) + return -ERESTARTSYS; + + spin_lock_irqsave(&zr->spinlock, flags); + zr36057_set_memgrab(zr, 0); + spin_unlock_irqrestore(&zr->spinlock, flags); + + return 0; +} + +/***************************************************************************** + * * + * Set up the Buz-specific MJPEG part * + * * + *****************************************************************************/ + +static inline void +set_frame (struct zoran *zr, + int val) +{ + GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); +} + +static void +set_videobus_dir (struct zoran *zr, + int val) +{ + switch (zr->card.type) { + case LML33: + case LML33R10: + if (lml33dpath == 0) + GPIO(zr, 5, val); + else + GPIO(zr, 5, 1); + break; + default: + GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], + zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); + break; + } +} + +static void +init_jpeg_queue (struct zoran *zr) +{ + int i; + + /* re-initialize DMA ring stuff */ + zr->jpg_que_head = 0; + zr->jpg_dma_head = 0; + zr->jpg_dma_tail = 0; + zr->jpg_que_tail = 0; + zr->jpg_seq_num = 0; + zr->JPEG_error = 0; + zr->num_errors = 0; + zr->jpg_err_seq = 0; + zr->jpg_err_shift = 0; + zr->jpg_queued_num = 0; + for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { + zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ + } + for (i = 0; i < BUZ_NUM_STAT_COM; i++) { + zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ + } +} + +static void +zr36057_set_jpg (struct zoran *zr, + enum zoran_codec_mode mode) +{ + struct tvnorm *tvn; + u32 reg; + + tvn = zr->timing; + + /* assert P_Reset, disable code transfer, deassert Active */ + btwrite(0, ZR36057_JPC); + + /* MJPEG compression mode */ + switch (mode) { + + case BUZ_MODE_MOTION_COMPRESS: + default: + reg = ZR36057_JMC_MJPGCmpMode; + break; + + case BUZ_MODE_MOTION_DECOMPRESS: + reg = ZR36057_JMC_MJPGExpMode; + reg |= ZR36057_JMC_SyncMstr; + /* RJ: The following is experimental - improves the output to screen */ + //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM + break; + + case BUZ_MODE_STILL_COMPRESS: + reg = ZR36057_JMC_JPGCmpMode; + break; + + case BUZ_MODE_STILL_DECOMPRESS: + reg = ZR36057_JMC_JPGExpMode; + break; + + } + reg |= ZR36057_JMC_JPG; + if (zr->jpg_settings.field_per_buff == 1) + reg |= ZR36057_JMC_Fld_per_buff; + btwrite(reg, ZR36057_JMC); + + /* vertical */ + btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR); + reg = (6 << ZR36057_VSP_VsyncSize) | + (tvn->Ht << ZR36057_VSP_FrmTot); + btwrite(reg, ZR36057_VSP); + reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) | + (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); + btwrite(reg, ZR36057_FVAP); + + /* horizontal */ + if (zr->card.vfe_pol.hsync_pol) + btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); + else + btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); + reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) | + (tvn->Wt << ZR36057_HSP_LineTot); + btwrite(reg, ZR36057_HSP); + reg = ((zr->jpg_settings.img_x + + tvn->HStart + 4) << ZR36057_FHAP_NAX) | + (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); + btwrite(reg, ZR36057_FHAP); + + /* field process parameters */ + if (zr->jpg_settings.odd_even) + reg = ZR36057_FPP_Odd_Even; + else + reg = 0; + + btwrite(reg, ZR36057_FPP); + + /* Set proper VCLK Polarity, else colors will be wrong during playback */ + //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR); + + /* code base address */ + reg = virt_to_bus(zr->stat_com); + btwrite(reg, ZR36057_JCBA); + + /* FIFO threshold (FIFO is 160. double words) */ + /* NOTE: decimal values here */ + switch (mode) { + + case BUZ_MODE_STILL_COMPRESS: + case BUZ_MODE_MOTION_COMPRESS: + if (zr->card.type != BUZ) + reg = 140; + else + reg = 60; + break; + + case BUZ_MODE_STILL_DECOMPRESS: + case BUZ_MODE_MOTION_DECOMPRESS: + reg = 20; + break; + + default: + reg = 80; + break; + + } + btwrite(reg, ZR36057_JCFT); + zr36057_adjust_vfe(zr, mode); + +} + +void +print_interrupts (struct zoran *zr) +{ + int res, noerr = 0; + + printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr)); + if ((res = zr->field_counter) < -1 || res > 1) { + printk(" FD:%d", res); + } + if ((res = zr->intr_counter_GIRQ1) != 0) { + printk(" GIRQ1:%d", res); + noerr++; + } + if ((res = zr->intr_counter_GIRQ0) != 0) { + printk(" GIRQ0:%d", res); + noerr++; + } + if ((res = zr->intr_counter_CodRepIRQ) != 0) { + printk(" CodRepIRQ:%d", res); + noerr++; + } + if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { + printk(" JPEGRepIRQ:%d", res); + noerr++; + } + if (zr->JPEG_max_missed) { + printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed, + zr->JPEG_min_missed); + } + if (zr->END_event_missed) { + printk(" ENDs missed: %d", zr->END_event_missed); + } + //if (zr->jpg_queued_num) { + printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, + zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); + //} + if (!noerr) { + printk(": no interrupts detected."); + } + printk("\n"); +} + +void +clear_interrupt_counters (struct zoran *zr) +{ + zr->intr_counter_GIRQ1 = 0; + zr->intr_counter_GIRQ0 = 0; + zr->intr_counter_CodRepIRQ = 0; + zr->intr_counter_JPEGRepIRQ = 0; + zr->field_counter = 0; + zr->IRQ1_in = 0; + zr->IRQ1_out = 0; + zr->JPEG_in = 0; + zr->JPEG_out = 0; + zr->JPEG_0 = 0; + zr->JPEG_1 = 0; + zr->END_event_missed = 0; + zr->JPEG_missed = 0; + zr->JPEG_max_missed = 0; + zr->JPEG_min_missed = 0x7fffffff; +} + +static u32 +count_reset_interrupt (struct zoran *zr) +{ + u32 isr; + + if ((isr = btread(ZR36057_ISR) & 0x78000000)) { + if (isr & ZR36057_ISR_GIRQ1) { + btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); + zr->intr_counter_GIRQ1++; + } + if (isr & ZR36057_ISR_GIRQ0) { + btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); + zr->intr_counter_GIRQ0++; + } + if (isr & ZR36057_ISR_CodRepIRQ) { + btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR); + zr->intr_counter_CodRepIRQ++; + } + if (isr & ZR36057_ISR_JPEGRepIRQ) { + btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR); + zr->intr_counter_JPEGRepIRQ++; + } + } + return isr; +} + +void +jpeg_start (struct zoran *zr) +{ + int reg; + + zr->frame_num = 0; + + /* deassert P_reset, disable code transfer, deassert Active */ + btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC); + /* stop flushing the internal code buffer */ + btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR); + /* enable code transfer */ + btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC); + + /* clear IRQs */ + btwrite(IRQ_MASK, ZR36057_ISR); + /* enable the JPEG IRQs */ + btwrite(zr->card.jpeg_int | + ZR36057_ICR_JPEGRepIRQ | + ZR36057_ICR_IntPinEn, + ZR36057_ICR); + + set_frame(zr, 0); // \FRAME + + /* set the JPEG codec guest ID */ + reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) | + (0 << ZR36057_JCGI_JPEGuestReg); + btwrite(reg, ZR36057_JCGI); + + if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && + zr->card.video_codec == CODEC_TYPE_ZR36050) { + /* Enable processing on the ZR36016 */ + if (zr->vfe) + zr36016_write(zr->vfe, 0, 1); + + /* load the address of the GO register in the ZR36050 latch */ + post_office_write(zr, 0, 0, 0); + } + + /* assert Active */ + btor(ZR36057_JPC_Active, ZR36057_JPC); + + /* enable the Go generation */ + btor(ZR36057_JMC_Go_en, ZR36057_JMC); + udelay(30); + + set_frame(zr, 1); // /FRAME + + dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr)); +} + +void +zr36057_enable_jpg (struct zoran *zr, + enum zoran_codec_mode mode) +{ + static int zero; + static int one = 1; + struct vfe_settings cap; + int field_size = + zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; + + zr->codec_mode = mode; + + cap.x = zr->jpg_settings.img_x; + cap.y = zr->jpg_settings.img_y; + cap.width = zr->jpg_settings.img_width; + cap.height = zr->jpg_settings.img_height; + cap.decimation = + zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8); + cap.quality = zr->jpg_settings.jpg_comp.quality; + + switch (mode) { + + case BUZ_MODE_MOTION_COMPRESS: { + struct jpeg_app_marker app; + struct jpeg_com_marker com; + + /* In motion compress mode, the decoder output must be enabled, and + * the video bus direction set to input. + */ + set_videobus_dir(zr, 0); + decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); + encoder_command(zr, ENCODER_SET_INPUT, &zero); + + /* Take the JPEG codec and the VFE out of sleep */ + jpeg_codec_sleep(zr, 0); + + /* set JPEG app/com marker */ + app.appn = zr->jpg_settings.jpg_comp.APPn; + app.len = zr->jpg_settings.jpg_comp.APP_len; + memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); + zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, + sizeof(struct jpeg_app_marker), &app); + + com.len = zr->jpg_settings.jpg_comp.COM_len; + memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); + zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, + sizeof(struct jpeg_com_marker), &com); + + /* Setup the JPEG codec */ + zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, + sizeof(int), &field_size); + zr->codec->set_video(zr->codec, zr->timing, &cap, + &zr->card.vfe_pol); + zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); + + /* Setup the VFE */ + if (zr->vfe) { + zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, + sizeof(int), &field_size); + zr->vfe->set_video(zr->vfe, zr->timing, &cap, + &zr->card.vfe_pol); + zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); + } + + init_jpeg_queue(zr); + zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO + + clear_interrupt_counters(zr); + dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n", + ZR_DEVNAME(zr)); + break; + } + + case BUZ_MODE_MOTION_DECOMPRESS: + /* In motion decompression mode, the decoder output must be disabled, and + * the video bus direction set to output. + */ + decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); + set_videobus_dir(zr, 1); + encoder_command(zr, ENCODER_SET_INPUT, &one); + + /* Take the JPEG codec and the VFE out of sleep */ + jpeg_codec_sleep(zr, 0); + /* Setup the VFE */ + if (zr->vfe) { + zr->vfe->set_video(zr->vfe, zr->timing, &cap, + &zr->card.vfe_pol); + zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); + } + /* Setup the JPEG codec */ + zr->codec->set_video(zr->codec, zr->timing, &cap, + &zr->card.vfe_pol); + zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); + + init_jpeg_queue(zr); + zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO + + clear_interrupt_counters(zr); + dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n", + ZR_DEVNAME(zr)); + break; + + case BUZ_MODE_IDLE: + default: + /* shut down processing */ + btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ), + ZR36057_ICR); + btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ, + ZR36057_ISR); + btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en + + msleep(50); + + set_videobus_dir(zr, 0); + set_frame(zr, 1); // /FRAME + btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush + btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active + btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); + btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC); + jpeg_codec_reset(zr); + jpeg_codec_sleep(zr, 1); + zr36057_adjust_vfe(zr, mode); + + decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); + encoder_command(zr, ENCODER_SET_INPUT, &zero); + + dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr)); + break; + + } +} + +/* when this is called the spinlock must be held */ +void +zoran_feed_stat_com (struct zoran *zr) +{ + /* move frames from pending queue to DMA */ + + int frame, i, max_stat_com; + + max_stat_com = + (zr->jpg_settings.TmpDcm == + 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); + + while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com && + zr->jpg_dma_head < zr->jpg_que_head) { + + frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME]; + if (zr->jpg_settings.TmpDcm == 1) { + /* fill 1 stat_com entry */ + i = (zr->jpg_dma_head - + zr->jpg_err_shift) & BUZ_MASK_STAT_COM; + if (!(zr->stat_com[i] & cpu_to_le32(1))) + break; + zr->stat_com[i] = + cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); + } else { + /* fill 2 stat_com entries */ + i = ((zr->jpg_dma_head - + zr->jpg_err_shift) & 1) * 2; + if (!(zr->stat_com[i] & cpu_to_le32(1))) + break; + zr->stat_com[i] = + cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); + zr->stat_com[i + 1] = + cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); + } + zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA; + zr->jpg_dma_head++; + + } + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) + zr->jpg_queued_num++; +} + +/* when this is called the spinlock must be held */ +static void +zoran_reap_stat_com (struct zoran *zr) +{ + /* move frames from DMA queue to done queue */ + + int i; + u32 stat_com; + unsigned int seq; + unsigned int dif; + struct zoran_jpg_buffer *buffer; + int frame; + + /* In motion decompress we don't have a hardware frame counter, + * we just count the interrupts here */ + + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { + zr->jpg_seq_num++; + } + while (zr->jpg_dma_tail < zr->jpg_dma_head) { + if (zr->jpg_settings.TmpDcm == 1) + i = (zr->jpg_dma_tail - + zr->jpg_err_shift) & BUZ_MASK_STAT_COM; + else + i = ((zr->jpg_dma_tail - + zr->jpg_err_shift) & 1) * 2 + 1; + + stat_com = le32_to_cpu(zr->stat_com[i]); + + if ((stat_com & 1) == 0) { + return; + } + frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; + buffer = &zr->jpg_buffers.buffer[frame]; + do_gettimeofday(&buffer->bs.timestamp); + + if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { + buffer->bs.length = (stat_com & 0x7fffff) >> 1; + + /* update sequence number with the help of the counter in stat_com */ + + seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff; + dif = (seq - zr->jpg_seq_num) & 0xff; + zr->jpg_seq_num += dif; + } else { + buffer->bs.length = 0; + } + buffer->bs.seq = + zr->jpg_settings.TmpDcm == + 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; + buffer->state = BUZ_STATE_DONE; + + zr->jpg_dma_tail++; + } +} + +static void +error_handler (struct zoran *zr, + u32 astat, + u32 stat) +{ + /* This is JPEG error handling part */ + if ((zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) && + (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS)) { + //dprintk(1, KERN_ERR "%s: Internal error: error handling request in mode %d\n", ZR_DEVNAME(zr), zr->codec_mode); + return; + } + + if ((stat & 1) == 0 && + zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && + zr->jpg_dma_tail - zr->jpg_que_tail >= + zr->jpg_buffers.num_buffers) { + /* No free buffers... */ + zoran_reap_stat_com(zr); + zoran_feed_stat_com(zr); + wake_up_interruptible(&zr->jpg_capq); + zr->JPEG_missed = 0; + return; + } + + if (zr->JPEG_error != 1) { + /* + * First entry: error just happened during normal operation + * + * In BUZ_MODE_MOTION_COMPRESS: + * + * Possible glitch in TV signal. In this case we should + * stop the codec and wait for good quality signal before + * restarting it to avoid further problems + * + * In BUZ_MODE_MOTION_DECOMPRESS: + * + * Bad JPEG frame: we have to mark it as processed (codec crashed + * and was not able to do it itself), and to remove it from queue. + */ + btand(~ZR36057_JMC_Go_en, ZR36057_JMC); + udelay(1); + stat = stat | (post_office_read(zr, 7, 0) & 3) << 8; + btwrite(0, ZR36057_JPC); + btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); + jpeg_codec_reset(zr); + jpeg_codec_sleep(zr, 1); + zr->JPEG_error = 1; + zr->num_errors++; + + /* Report error */ + if (zr36067_debug > 1 && zr->num_errors <= 8) { + long frame; + frame = + zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; + printk(KERN_ERR + "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ", + ZR_DEVNAME(zr), stat, zr->last_isr, + zr->jpg_que_tail, zr->jpg_dma_tail, + zr->jpg_dma_head, zr->jpg_que_head, + zr->jpg_seq_num, frame); + printk("stat_com frames:"); + { + int i, j; + for (j = 0; j < BUZ_NUM_STAT_COM; j++) { + for (i = 0; + i < zr->jpg_buffers.num_buffers; + i++) { + if (le32_to_cpu(zr->stat_com[j]) == + zr->jpg_buffers. + buffer[i]. + frag_tab_bus) { + printk("% d->%d", + j, i); + } + } + } + printk("\n"); + } + } + /* Find an entry in stat_com and rotate contents */ + { + int i; + + if (zr->jpg_settings.TmpDcm == 1) + i = (zr->jpg_dma_tail - + zr->jpg_err_shift) & BUZ_MASK_STAT_COM; + else + i = ((zr->jpg_dma_tail - + zr->jpg_err_shift) & 1) * 2; + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { + /* Mimic zr36067 operation */ + zr->stat_com[i] |= cpu_to_le32(1); + if (zr->jpg_settings.TmpDcm != 1) + zr->stat_com[i + 1] |= cpu_to_le32(1); + /* Refill */ + zoran_reap_stat_com(zr); + zoran_feed_stat_com(zr); + wake_up_interruptible(&zr->jpg_capq); + /* Find an entry in stat_com again after refill */ + if (zr->jpg_settings.TmpDcm == 1) + i = (zr->jpg_dma_tail - + zr->jpg_err_shift) & + BUZ_MASK_STAT_COM; + else + i = ((zr->jpg_dma_tail - + zr->jpg_err_shift) & 1) * 2; + } + if (i) { + /* Rotate stat_comm entries to make current entry first */ + int j; + __le32 bus_addr[BUZ_NUM_STAT_COM]; + + /* Here we are copying the stat_com array, which + * is already in little endian format, so + * no endian conversions here + */ + memcpy(bus_addr, zr->stat_com, + sizeof(bus_addr)); + for (j = 0; j < BUZ_NUM_STAT_COM; j++) { + zr->stat_com[j] = + bus_addr[(i + j) & + BUZ_MASK_STAT_COM]; + + } + zr->jpg_err_shift += i; + zr->jpg_err_shift &= BUZ_MASK_STAT_COM; + } + if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) + zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */ + } + } + + /* Now the stat_comm buffer is ready for restart */ + do { + int status, mode; + + if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { + decoder_command(zr, DECODER_GET_STATUS, &status); + mode = CODEC_DO_COMPRESSION; + } else { + status = 0; + mode = CODEC_DO_EXPANSION; + } + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || + (status & DECODER_STATUS_GOOD)) { + /********** RESTART code *************/ + jpeg_codec_reset(zr); + zr->codec->set_mode(zr->codec, mode); + zr36057_set_jpg(zr, zr->codec_mode); + jpeg_start(zr); + + if (zr->num_errors <= 8) + dprintk(2, KERN_INFO "%s: Restart\n", + ZR_DEVNAME(zr)); + + zr->JPEG_missed = 0; + zr->JPEG_error = 2; + /********** End RESTART code ***********/ + } + } while (0); +} + +irqreturn_t +zoran_irq (int irq, + void *dev_id) +{ + u32 stat, astat; + int count; + struct zoran *zr; + unsigned long flags; + + zr = dev_id; + count = 0; + + if (zr->testing) { + /* Testing interrupts */ + spin_lock_irqsave(&zr->spinlock, flags); + while ((stat = count_reset_interrupt(zr))) { + if (count++ > 100) { + btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); + dprintk(1, + KERN_ERR + "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n", + ZR_DEVNAME(zr), stat); + wake_up_interruptible(&zr->test_q); + } + } + zr->last_isr = stat; + spin_unlock_irqrestore(&zr->spinlock, flags); + return IRQ_HANDLED; + } + + spin_lock_irqsave(&zr->spinlock, flags); + while (1) { + /* get/clear interrupt status bits */ + stat = count_reset_interrupt(zr); + astat = stat & IRQ_MASK; + if (!astat) { + break; + } + dprintk(4, + KERN_DEBUG + "zoran_irq: astat: 0x%08x, mask: 0x%08x\n", + astat, btread(ZR36057_ICR)); + if (astat & zr->card.vsync_int) { // SW + + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || + zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { + /* count missed interrupts */ + zr->JPEG_missed++; + } + //post_office_read(zr,1,0); + /* Interrupts may still happen when + * zr->v4l_memgrab_active is switched off. + * We simply ignore them */ + + if (zr->v4l_memgrab_active) { + + /* A lot more checks should be here ... */ + if ((btread(ZR36057_VSSFGR) & + ZR36057_VSSFGR_SnapShot) == 0) + dprintk(1, + KERN_WARNING + "%s: BuzIRQ with SnapShot off ???\n", + ZR_DEVNAME(zr)); + + if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) { + /* There is a grab on a frame going on, check if it has finished */ + + if ((btread(ZR36057_VSSFGR) & + ZR36057_VSSFGR_FrameGrab) == + 0) { + /* it is finished, notify the user */ + + zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE; + zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq; + do_gettimeofday(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); + zr->v4l_grab_frame = NO_GRAB_ACTIVE; + zr->v4l_pend_tail++; + } + } + + if (zr->v4l_grab_frame == NO_GRAB_ACTIVE) + wake_up_interruptible(&zr->v4l_capq); + + /* Check if there is another grab queued */ + + if (zr->v4l_grab_frame == NO_GRAB_ACTIVE && + zr->v4l_pend_tail != zr->v4l_pend_head) { + + int frame = zr->v4l_pend[zr->v4l_pend_tail & + V4L_MASK_FRAME]; + u32 reg; + + zr->v4l_grab_frame = frame; + + /* Set zr36057 video front end and enable video */ + + /* Buffer address */ + + reg = + zr->v4l_buffers.buffer[frame]. + fbuffer_bus; + btwrite(reg, ZR36057_VDTR); + if (zr->v4l_settings.height > + BUZ_MAX_HEIGHT / 2) + reg += + zr->v4l_settings. + bytesperline; + btwrite(reg, ZR36057_VDBR); + + /* video stride, status, and frame grab register */ + reg = 0; + if (zr->v4l_settings.height > + BUZ_MAX_HEIGHT / 2) + reg += + zr->v4l_settings. + bytesperline; + reg = + (reg << + ZR36057_VSSFGR_DispStride); + reg |= ZR36057_VSSFGR_VidOvf; + reg |= ZR36057_VSSFGR_SnapShot; + reg |= ZR36057_VSSFGR_FrameGrab; + btwrite(reg, ZR36057_VSSFGR); + + btor(ZR36057_VDCR_VidEn, + ZR36057_VDCR); + } + } + + /* even if we don't grab, we do want to increment + * the sequence counter to see lost frames */ + zr->v4l_grab_seq++; + } +#if (IRQ_MASK & ZR36057_ISR_CodRepIRQ) + if (astat & ZR36057_ISR_CodRepIRQ) { + zr->intr_counter_CodRepIRQ++; + IDEBUG(printk + (KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", + ZR_DEVNAME(zr))); + btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR); + } +#endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */ + +#if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) + if (astat & ZR36057_ISR_JPEGRepIRQ) { + + if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || + zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { + if (zr36067_debug > 1 && + (!zr->frame_num || zr->JPEG_error)) { + printk(KERN_INFO + "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n", + ZR_DEVNAME(zr), stat, + zr->jpg_settings.odd_even, + zr->jpg_settings. + field_per_buff, + zr->JPEG_missed); + { + char sc[] = "0000"; + char sv[5]; + int i; + strcpy(sv, sc); + for (i = 0; i < 4; i++) { + if (le32_to_cpu(zr->stat_com[i]) & 1) + sv[i] = '1'; + } + sv[4] = 0; + printk(KERN_INFO + "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n", + ZR_DEVNAME(zr), sv, + zr->jpg_que_tail, + zr->jpg_dma_tail, + zr->jpg_dma_head, + zr->jpg_que_head); + } + } else { + if (zr->JPEG_missed > zr->JPEG_max_missed) // Get statistics + zr->JPEG_max_missed = + zr->JPEG_missed; + if (zr->JPEG_missed < + zr->JPEG_min_missed) + zr->JPEG_min_missed = + zr->JPEG_missed; + } + + if (zr36067_debug > 2 && zr->frame_num < 6) { + int i; + printk("%s: seq=%ld stat_com:", + ZR_DEVNAME(zr), zr->jpg_seq_num); + for (i = 0; i < 4; i++) { + printk(" %08x", + le32_to_cpu(zr->stat_com[i])); + } + printk("\n"); + } + zr->frame_num++; + zr->JPEG_missed = 0; + zr->JPEG_error = 0; + zoran_reap_stat_com(zr); + zoran_feed_stat_com(zr); + wake_up_interruptible(&zr->jpg_capq); + } /*else { + dprintk(1, + KERN_ERR + "%s: JPEG interrupt while not in motion (de)compress mode!\n", + ZR_DEVNAME(zr)); + }*/ + } +#endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */ + + /* DATERR, too many fields missed, error processing */ + if ((astat & zr->card.jpeg_int) || + zr->JPEG_missed > 25 || + zr->JPEG_error == 1 || + ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) && + (zr->frame_num & (zr->JPEG_missed > + zr->jpg_settings.field_per_buff)))) { + error_handler(zr, astat, stat); + } + + count++; + if (count > 10) { + dprintk(2, KERN_WARNING "%s: irq loop %d\n", + ZR_DEVNAME(zr), count); + if (count > 20) { + btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); + dprintk(2, + KERN_ERR + "%s: IRQ lockup, cleared int mask\n", + ZR_DEVNAME(zr)); + break; + } + } + zr->last_isr = stat; + } + spin_unlock_irqrestore(&zr->spinlock, flags); + + return IRQ_HANDLED; +} + +void +zoran_set_pci_master (struct zoran *zr, + int set_master) +{ + if (set_master) { + pci_set_master(zr->pci_dev); + } else { + u16 command; + + pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); + command &= ~PCI_COMMAND_MASTER; + pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); + } +} + +void +zoran_init_hardware (struct zoran *zr) +{ + int j, zero = 0; + + /* Enable bus-mastering */ + zoran_set_pci_master(zr, 1); + + /* Initialize the board */ + if (zr->card.init) { + zr->card.init(zr); + } + + j = zr->card.input[zr->input].muxsel; + + decoder_command(zr, 0, NULL); + decoder_command(zr, DECODER_SET_NORM, &zr->norm); + decoder_command(zr, DECODER_SET_INPUT, &j); + + encoder_command(zr, 0, NULL); + encoder_command(zr, ENCODER_SET_NORM, &zr->norm); + encoder_command(zr, ENCODER_SET_INPUT, &zero); + + /* toggle JPEG codec sleep to sync PLL */ + jpeg_codec_sleep(zr, 1); + jpeg_codec_sleep(zr, 0); + + /* set individual interrupt enables (without GIRQ1) + * but don't global enable until zoran_open() */ + + //btwrite(IRQ_MASK & ~ZR36057_ISR_GIRQ1, ZR36057_ICR); // SW + // It looks like using only JPEGRepIRQEn is not always reliable, + // may be when JPEG codec crashes it won't generate IRQ? So, + /*CP*/ // btwrite(IRQ_MASK, ZR36057_ICR); // Enable Vsync interrupts too. SM WHY ? LP + zr36057_init_vfe(zr); + + zr36057_enable_jpg(zr, BUZ_MODE_IDLE); + + btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts +} + +void +zr36057_restart (struct zoran *zr) +{ + btwrite(0, ZR36057_SPGPPCR); + mdelay(1); + btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR); + mdelay(1); + + /* assert P_Reset */ + btwrite(0, ZR36057_JPC); + /* set up GPIO direction - all output */ + btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR); + + /* set up GPIO pins and guest bus timing */ + btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); +} + +/* + * initialize video front end + */ + +static void +zr36057_init_vfe (struct zoran *zr) +{ + u32 reg; + + reg = btread(ZR36057_VFESPFR); + reg |= ZR36057_VFESPFR_LittleEndian; + reg &= ~ZR36057_VFESPFR_VCLKPol; + reg |= ZR36057_VFESPFR_ExtFl; + reg |= ZR36057_VFESPFR_TopField; + btwrite(reg, ZR36057_VFESPFR); + reg = btread(ZR36057_VDCR); + if (pci_pci_problems & PCIPCI_TRITON) + // || zr->revision < 1) // Revision 1 has also Triton support + reg &= ~ZR36057_VDCR_Triton; + else + reg |= ZR36057_VDCR_Triton; + btwrite(reg, ZR36057_VDCR); +} + +/* + * Interface to decoder and encoder chips using i2c bus + */ + +int +decoder_command (struct zoran *zr, + int cmd, + void *data) +{ + if (zr->decoder == NULL) + return -EIO; + + if (zr->card.type == LML33 && + (cmd == DECODER_SET_NORM || cmd == DECODER_SET_INPUT)) { + int res; + + // Bt819 needs to reset its FIFO buffer using #FRST pin and + // LML33 card uses GPIO(7) for that. + GPIO(zr, 7, 0); + res = zr->decoder->driver->command(zr->decoder, cmd, data); + // Pull #FRST high. + GPIO(zr, 7, 1); + return res; + } else + return zr->decoder->driver->command(zr->decoder, cmd, + data); +} + +int +encoder_command (struct zoran *zr, + int cmd, + void *data) +{ + if (zr->encoder == NULL) + return -1; + + return zr->encoder->driver->command(zr->encoder, cmd, data); +} diff --git a/drivers/media/video/zoran/zoran_device.h b/drivers/media/video/zoran/zoran_device.h new file mode 100644 index 00000000000..74c6c8edb7d --- /dev/null +++ b/drivers/media/video/zoran/zoran_device.h @@ -0,0 +1,97 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles card-specific data and detection + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ZORAN_DEVICE_H__ +#define __ZORAN_DEVICE_H__ + +/* general purpose I/O */ +extern void GPIO(struct zoran *zr, + int bit, + unsigned int value); + +/* codec (or actually: guest bus) access */ +extern int post_office_wait(struct zoran *zr); +extern int post_office_write(struct zoran *zr, + unsigned guest, + unsigned reg, + unsigned value); +extern int post_office_read(struct zoran *zr, + unsigned guest, + unsigned reg); + +extern void detect_guest_activity(struct zoran *zr); + +extern void jpeg_codec_sleep(struct zoran *zr, + int sleep); +extern int jpeg_codec_reset(struct zoran *zr); + +/* zr360x7 access to raw capture */ +extern void zr36057_overlay(struct zoran *zr, + int on); +extern void write_overlay_mask(struct file *file, + struct video_clip *vp, + int count); +extern void zr36057_set_memgrab(struct zoran *zr, + int mode); +extern int wait_grab_pending(struct zoran *zr); + +/* interrupts */ +extern void print_interrupts(struct zoran *zr); +extern void clear_interrupt_counters(struct zoran *zr); +extern irqreturn_t zoran_irq(int irq, void *dev_id); + +/* JPEG codec access */ +extern void jpeg_start(struct zoran *zr); +extern void zr36057_enable_jpg(struct zoran *zr, + enum zoran_codec_mode mode); +extern void zoran_feed_stat_com(struct zoran *zr); + +/* general */ +extern void zoran_set_pci_master(struct zoran *zr, + int set_master); +extern void zoran_init_hardware(struct zoran *zr); +extern void zr36057_restart(struct zoran *zr); + +extern const struct zoran_format zoran_formats[]; + +extern int v4l_nbufs; +extern int v4l_bufsize; +extern int jpg_nbufs; +extern int jpg_bufsize; +extern int pass_through; + +/* i2c */ +extern int decoder_command(struct zoran *zr, + int cmd, + void *data); +extern int encoder_command(struct zoran *zr, + int cmd, + void *data); + +#endif /* __ZORAN_DEVICE_H__ */ diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c new file mode 100644 index 00000000000..db11ab9e60d --- /dev/null +++ b/drivers/media/video/zoran/zoran_driver.c @@ -0,0 +1,4648 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Changes for BUZ by Wolfgang Scherr <scherr@net4you.net> + * + * Changes for DC10/DC30 by Laurent Pinchart <laurent.pinchart@skynet.be> + * + * Changes for LML33R10 by Maxim Yevtyushkin <max@linuxmedialabs.com> + * + * Changes for videodev2/v4l2 by Ronald Bultje <rbultje@ronald.bitfreak.net> + * + * Based on + * + * Miro DC10 driver + * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> + * + * Iomega Buz driver version 1.0 + * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> + * + * buz.0.0.3 + * Copyright (C) 1998 Dave Perks <dperks@ibm.net> + * + * bttv - Bt848 frame grabber driver + * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) + * & Marcus Metzler (mocm@thp.uni-koeln.de) + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/version.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/vmalloc.h> +#include <linux/wait.h> + +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> + +#include <linux/spinlock.h> +#define MAP_NR(x) virt_to_page(x) +#define ZORAN_VID_TYPE ( \ + VID_TYPE_CAPTURE | \ + VID_TYPE_OVERLAY | \ + VID_TYPE_CLIPPING | \ + VID_TYPE_FRAMERAM | \ + VID_TYPE_SCALES | \ + VID_TYPE_MJPEG_DECODER | \ + VID_TYPE_MJPEG_ENCODER \ + ) + +#include <linux/videodev.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include "videocodec.h" + +#include <asm/byteorder.h> +#include <asm/io.h> +#include <asm/uaccess.h> +#include <linux/proc_fs.h> + +#include <linux/video_decoder.h> +#include <linux/video_encoder.h> +#include <linux/mutex.h> +#include "zoran.h" +#include "zoran_device.h" +#include "zoran_card.h" + + /* we declare some card type definitions here, they mean + * the same as the v4l1 ZORAN_VID_TYPE above, except it's v4l2 */ +#define ZORAN_V4L2_VID_FLAGS ( \ + V4L2_CAP_STREAMING |\ + V4L2_CAP_VIDEO_CAPTURE |\ + V4L2_CAP_VIDEO_OUTPUT |\ + V4L2_CAP_VIDEO_OVERLAY \ + ) + + +#if defined(CONFIG_VIDEO_V4L1_COMPAT) +#define ZFMT(pal, fcc, cs) \ + .palette = (pal), .fourcc = (fcc), .colorspace = (cs) +#else +#define ZFMT(pal, fcc, cs) \ + .fourcc = (fcc), .colorspace = (cs) +#endif + +const struct zoran_format zoran_formats[] = { + { + .name = "15-bit RGB LE", + ZFMT(VIDEO_PALETTE_RGB555, + V4L2_PIX_FMT_RGB555, V4L2_COLORSPACE_SRGB), + .depth = 15, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif| + ZR36057_VFESPFR_LittleEndian, + }, { + .name = "15-bit RGB BE", + ZFMT(-1, + V4L2_PIX_FMT_RGB555X, V4L2_COLORSPACE_SRGB), + .depth = 15, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif, + }, { + .name = "16-bit RGB LE", + ZFMT(VIDEO_PALETTE_RGB565, + V4L2_PIX_FMT_RGB565, V4L2_COLORSPACE_SRGB), + .depth = 16, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif| + ZR36057_VFESPFR_LittleEndian, + }, { + .name = "16-bit RGB BE", + ZFMT(-1, + V4L2_PIX_FMT_RGB565X, V4L2_COLORSPACE_SRGB), + .depth = 16, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif, + }, { + .name = "24-bit RGB", + ZFMT(VIDEO_PALETTE_RGB24, + V4L2_PIX_FMT_BGR24, V4L2_COLORSPACE_SRGB), + .depth = 24, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_Pack24, + }, { + .name = "32-bit RGB LE", + ZFMT(VIDEO_PALETTE_RGB32, + V4L2_PIX_FMT_BGR32, V4L2_COLORSPACE_SRGB), + .depth = 32, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_LittleEndian, + }, { + .name = "32-bit RGB BE", + ZFMT(-1, + V4L2_PIX_FMT_RGB32, V4L2_COLORSPACE_SRGB), + .depth = 32, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_RGB888, + }, { + .name = "4:2:2, packed, YUYV", + ZFMT(VIDEO_PALETTE_YUV422, + V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_SMPTE170M), + .depth = 16, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_YUV422, + }, { + .name = "4:2:2, packed, UYVY", + ZFMT(VIDEO_PALETTE_UYVY, + V4L2_PIX_FMT_UYVY, V4L2_COLORSPACE_SMPTE170M), + .depth = 16, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_OVERLAY, + .vfespfr = ZR36057_VFESPFR_YUV422|ZR36057_VFESPFR_LittleEndian, + }, { + .name = "Hardware-encoded Motion-JPEG", + ZFMT(-1, + V4L2_PIX_FMT_MJPEG, V4L2_COLORSPACE_SMPTE170M), + .depth = 0, + .flags = ZORAN_FORMAT_CAPTURE | + ZORAN_FORMAT_PLAYBACK | + ZORAN_FORMAT_COMPRESSED, + } +}; +#define NUM_FORMATS ARRAY_SIZE(zoran_formats) + +// RJ: Test only - want to test BUZ_USE_HIMEM even when CONFIG_BIGPHYS_AREA is defined + + +static int lock_norm; /* 0 = default 1 = Don't change TV standard (norm) */ +module_param(lock_norm, int, 0644); +MODULE_PARM_DESC(lock_norm, "Prevent norm changes (1 = ignore, >1 = fail)"); + + /* small helper function for calculating buffersizes for v4l2 + * we calculate the nearest higher power-of-two, which + * will be the recommended buffersize */ +static __u32 +zoran_v4l2_calc_bufsize (struct zoran_jpg_settings *settings) +{ + __u8 div = settings->VerDcm * settings->HorDcm * settings->TmpDcm; + __u32 num = (1024 * 512) / (div); + __u32 result = 2; + + num--; + while (num) { + num >>= 1; + result <<= 1; + } + + if (result > jpg_bufsize) + return jpg_bufsize; + if (result < 8192) + return 8192; + return result; +} + +/* forward references */ +static void v4l_fbuffer_free(struct file *file); +static void jpg_fbuffer_free(struct file *file); + +/* + * Allocate the V4L grab buffers + * + * These have to be pysically contiguous. + * If v4l_bufsize <= MAX_KMALLOC_MEM we use kmalloc + * else we try to allocate them with bigphysarea_alloc_pages + * if the bigphysarea patch is present in the kernel, + * else we try to use high memory (if the user has bootet + * Linux with the necessary memory left over). + */ + +static unsigned long +get_high_mem (unsigned long size) +{ +/* + * Check if there is usable memory at the end of Linux memory + * of at least size. Return the physical address of this memory, + * return 0 on failure. + * + * The idea is from Alexandro Rubini's book "Linux device drivers". + * The driver from him which is downloadable from O'Reilly's + * web site misses the "virt_to_phys(high_memory)" part + * (and therefore doesn't work at all - at least with 2.2.x kernels). + * + * It should be unnecessary to mention that THIS IS DANGEROUS, + * if more than one driver at a time has the idea to use this memory!!!! + */ + + volatile unsigned char __iomem *mem; + unsigned char c; + unsigned long hi_mem_ph; + unsigned long i; + + /* Map the high memory to user space */ + + hi_mem_ph = virt_to_phys(high_memory); + + mem = ioremap(hi_mem_ph, size); + if (!mem) { + dprintk(1, + KERN_ERR "%s: get_high_mem() - ioremap failed\n", + ZORAN_NAME); + return 0; + } + + for (i = 0; i < size; i++) { + /* Check if it is memory */ + c = i & 0xff; + writeb(c, mem + i); + if (readb(mem + i) != c) + break; + c = 255 - c; + writeb(c, mem + i); + if (readb(mem + i) != c) + break; + writeb(0, mem + i); /* zero out memory */ + + /* give the kernel air to breath */ + if ((i & 0x3ffff) == 0x3ffff) + schedule(); + } + + iounmap(mem); + + if (i != size) { + dprintk(1, + KERN_ERR + "%s: get_high_mem() - requested %lu, avail %lu\n", + ZORAN_NAME, size, i); + return 0; + } + + return hi_mem_ph; +} + +static int +v4l_fbuffer_alloc (struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int i, off; + unsigned char *mem; + unsigned long pmem = 0; + + /* we might have old buffers lying around... */ + if (fh->v4l_buffers.ready_to_be_freed) { + v4l_fbuffer_free(file); + } + + for (i = 0; i < fh->v4l_buffers.num_buffers; i++) { + if (fh->v4l_buffers.buffer[i].fbuffer) + dprintk(2, + KERN_WARNING + "%s: v4l_fbuffer_alloc() - buffer %d allready allocated!?\n", + ZR_DEVNAME(zr), i); + + //udelay(20); + if (fh->v4l_buffers.buffer_size <= MAX_KMALLOC_MEM) { + /* Use kmalloc */ + + mem = kmalloc(fh->v4l_buffers.buffer_size, GFP_KERNEL); + if (!mem) { + dprintk(1, + KERN_ERR + "%s: v4l_fbuffer_alloc() - kmalloc for V4L buf %d failed\n", + ZR_DEVNAME(zr), i); + v4l_fbuffer_free(file); + return -ENOBUFS; + } + fh->v4l_buffers.buffer[i].fbuffer = mem; + fh->v4l_buffers.buffer[i].fbuffer_phys = + virt_to_phys(mem); + fh->v4l_buffers.buffer[i].fbuffer_bus = + virt_to_bus(mem); + for (off = 0; off < fh->v4l_buffers.buffer_size; + off += PAGE_SIZE) + SetPageReserved(MAP_NR(mem + off)); + dprintk(4, + KERN_INFO + "%s: v4l_fbuffer_alloc() - V4L frame %d mem 0x%lx (bus: 0x%lx)\n", + ZR_DEVNAME(zr), i, (unsigned long) mem, + virt_to_bus(mem)); + } else { + + /* Use high memory which has been left at boot time */ + + /* Ok., Ok. this is an evil hack - we make + * the assumption that physical addresses are + * the same as bus addresses (true at least + * for Intel processors). The whole method of + * obtaining and using this memory is not very + * nice - but I hope it saves some poor users + * from kernel hacking, which might have even + * more evil results */ + + if (i == 0) { + int size = + fh->v4l_buffers.num_buffers * + fh->v4l_buffers.buffer_size; + + pmem = get_high_mem(size); + if (pmem == 0) { + dprintk(1, + KERN_ERR + "%s: v4l_fbuffer_alloc() - get_high_mem (size = %d KB) for V4L bufs failed\n", + ZR_DEVNAME(zr), size >> 10); + return -ENOBUFS; + } + fh->v4l_buffers.buffer[0].fbuffer = NULL; + fh->v4l_buffers.buffer[0].fbuffer_phys = pmem; + fh->v4l_buffers.buffer[0].fbuffer_bus = pmem; + dprintk(4, + KERN_INFO + "%s: v4l_fbuffer_alloc() - using %d KB high memory\n", + ZR_DEVNAME(zr), size >> 10); + } else { + fh->v4l_buffers.buffer[i].fbuffer = NULL; + fh->v4l_buffers.buffer[i].fbuffer_phys = + pmem + i * fh->v4l_buffers.buffer_size; + fh->v4l_buffers.buffer[i].fbuffer_bus = + pmem + i * fh->v4l_buffers.buffer_size; + } + } + } + + fh->v4l_buffers.allocated = 1; + + return 0; +} + +/* free the V4L grab buffers */ +static void +v4l_fbuffer_free (struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int i, off; + unsigned char *mem; + + dprintk(4, KERN_INFO "%s: v4l_fbuffer_free()\n", ZR_DEVNAME(zr)); + + for (i = 0; i < fh->v4l_buffers.num_buffers; i++) { + if (!fh->v4l_buffers.buffer[i].fbuffer) + continue; + + if (fh->v4l_buffers.buffer_size <= MAX_KMALLOC_MEM) { + mem = fh->v4l_buffers.buffer[i].fbuffer; + for (off = 0; off < fh->v4l_buffers.buffer_size; + off += PAGE_SIZE) + ClearPageReserved(MAP_NR(mem + off)); + kfree((void *) fh->v4l_buffers.buffer[i].fbuffer); + } + fh->v4l_buffers.buffer[i].fbuffer = NULL; + } + + fh->v4l_buffers.allocated = 0; + fh->v4l_buffers.ready_to_be_freed = 0; +} + +/* + * Allocate the MJPEG grab buffers. + * + * If the requested buffer size is smaller than MAX_KMALLOC_MEM, + * kmalloc is used to request a physically contiguous area, + * else we allocate the memory in framgents with get_zeroed_page. + * + * If a Natoma chipset is present and this is a revision 1 zr36057, + * each MJPEG buffer needs to be physically contiguous. + * (RJ: This statement is from Dave Perks' original driver, + * I could never check it because I have a zr36067) + * The driver cares about this because it reduces the buffer + * size to MAX_KMALLOC_MEM in that case (which forces contiguous allocation). + * + * RJ: The contents grab buffers needs never be accessed in the driver. + * Therefore there is no need to allocate them with vmalloc in order + * to get a contiguous virtual memory space. + * I don't understand why many other drivers first allocate them with + * vmalloc (which uses internally also get_zeroed_page, but delivers you + * virtual addresses) and then again have to make a lot of efforts + * to get the physical address. + * + * Ben Capper: + * On big-endian architectures (such as ppc) some extra steps + * are needed. When reading and writing to the stat_com array + * and fragment buffers, the device expects to see little- + * endian values. The use of cpu_to_le32() and le32_to_cpu() + * in this function (and one or two others in zoran_device.c) + * ensure that these values are always stored in little-endian + * form, regardless of architecture. The zr36057 does Very Bad + * Things on big endian architectures if the stat_com array + * and fragment buffers are not little-endian. + */ + +static int +jpg_fbuffer_alloc (struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int i, j, off; + unsigned long mem; + + /* we might have old buffers lying around */ + if (fh->jpg_buffers.ready_to_be_freed) { + jpg_fbuffer_free(file); + } + + for (i = 0; i < fh->jpg_buffers.num_buffers; i++) { + if (fh->jpg_buffers.buffer[i].frag_tab) + dprintk(2, + KERN_WARNING + "%s: jpg_fbuffer_alloc() - buffer %d allready allocated!?\n", + ZR_DEVNAME(zr), i); + + /* Allocate fragment table for this buffer */ + + mem = get_zeroed_page(GFP_KERNEL); + if (mem == 0) { + dprintk(1, + KERN_ERR + "%s: jpg_fbuffer_alloc() - get_zeroed_page (frag_tab) failed for buffer %d\n", + ZR_DEVNAME(zr), i); + jpg_fbuffer_free(file); + return -ENOBUFS; + } + fh->jpg_buffers.buffer[i].frag_tab = (__le32 *) mem; + fh->jpg_buffers.buffer[i].frag_tab_bus = + virt_to_bus((void *) mem); + + //if (alloc_contig) { + if (fh->jpg_buffers.need_contiguous) { + mem = + (unsigned long) kmalloc(fh->jpg_buffers. + buffer_size, + GFP_KERNEL); + if (mem == 0) { + dprintk(1, + KERN_ERR + "%s: jpg_fbuffer_alloc() - kmalloc failed for buffer %d\n", + ZR_DEVNAME(zr), i); + jpg_fbuffer_free(file); + return -ENOBUFS; + } + fh->jpg_buffers.buffer[i].frag_tab[0] = + cpu_to_le32(virt_to_bus((void *) mem)); + fh->jpg_buffers.buffer[i].frag_tab[1] = + cpu_to_le32(((fh->jpg_buffers.buffer_size / 4) << 1) | 1); + for (off = 0; off < fh->jpg_buffers.buffer_size; + off += PAGE_SIZE) + SetPageReserved(MAP_NR(mem + off)); + } else { + /* jpg_bufsize is allreay page aligned */ + for (j = 0; + j < fh->jpg_buffers.buffer_size / PAGE_SIZE; + j++) { + mem = get_zeroed_page(GFP_KERNEL); + if (mem == 0) { + dprintk(1, + KERN_ERR + "%s: jpg_fbuffer_alloc() - get_zeroed_page failed for buffer %d\n", + ZR_DEVNAME(zr), i); + jpg_fbuffer_free(file); + return -ENOBUFS; + } + + fh->jpg_buffers.buffer[i].frag_tab[2 * j] = + cpu_to_le32(virt_to_bus((void *) mem)); + fh->jpg_buffers.buffer[i].frag_tab[2 * j + + 1] = + cpu_to_le32((PAGE_SIZE / 4) << 1); + SetPageReserved(MAP_NR(mem)); + } + + fh->jpg_buffers.buffer[i].frag_tab[2 * j - 1] |= cpu_to_le32(1); + } + } + + dprintk(4, + KERN_DEBUG "%s: jpg_fbuffer_alloc() - %d KB allocated\n", + ZR_DEVNAME(zr), + (fh->jpg_buffers.num_buffers * + fh->jpg_buffers.buffer_size) >> 10); + + fh->jpg_buffers.allocated = 1; + + return 0; +} + +/* free the MJPEG grab buffers */ +static void +jpg_fbuffer_free (struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int i, j, off; + unsigned char *mem; + + dprintk(4, KERN_DEBUG "%s: jpg_fbuffer_free()\n", ZR_DEVNAME(zr)); + + for (i = 0; i < fh->jpg_buffers.num_buffers; i++) { + if (!fh->jpg_buffers.buffer[i].frag_tab) + continue; + + //if (alloc_contig) { + if (fh->jpg_buffers.need_contiguous) { + if (fh->jpg_buffers.buffer[i].frag_tab[0]) { + mem = (unsigned char *) bus_to_virt(le32_to_cpu( + fh->jpg_buffers.buffer[i].frag_tab[0])); + for (off = 0; + off < fh->jpg_buffers.buffer_size; + off += PAGE_SIZE) + ClearPageReserved(MAP_NR + (mem + off)); + kfree(mem); + fh->jpg_buffers.buffer[i].frag_tab[0] = 0; + fh->jpg_buffers.buffer[i].frag_tab[1] = 0; + } + } else { + for (j = 0; + j < fh->jpg_buffers.buffer_size / PAGE_SIZE; + j++) { + if (!fh->jpg_buffers.buffer[i]. + frag_tab[2 * j]) + break; + ClearPageReserved(MAP_NR + (bus_to_virt + (le32_to_cpu + (fh->jpg_buffers. + buffer[i].frag_tab[2 * + j])))); + free_page((unsigned long) + bus_to_virt + (le32_to_cpu + (fh->jpg_buffers. + buffer[i]. + frag_tab[2 * j]))); + fh->jpg_buffers.buffer[i].frag_tab[2 * j] = + 0; + fh->jpg_buffers.buffer[i].frag_tab[2 * j + + 1] = 0; + } + } + + free_page((unsigned long) fh->jpg_buffers.buffer[i]. + frag_tab); + fh->jpg_buffers.buffer[i].frag_tab = NULL; + } + + fh->jpg_buffers.allocated = 0; + fh->jpg_buffers.ready_to_be_freed = 0; +} + +/* + * V4L Buffer grabbing + */ + +static int +zoran_v4l_set_format (struct file *file, + int width, + int height, + const struct zoran_format *format) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int bpp; + + /* Check size and format of the grab wanted */ + + if (height < BUZ_MIN_HEIGHT || width < BUZ_MIN_WIDTH || + height > BUZ_MAX_HEIGHT || width > BUZ_MAX_WIDTH) { + dprintk(1, + KERN_ERR + "%s: v4l_set_format() - wrong frame size (%dx%d)\n", + ZR_DEVNAME(zr), width, height); + return -EINVAL; + } + + bpp = (format->depth + 7) / 8; + + /* Check against available buffer size */ + if (height * width * bpp > fh->v4l_buffers.buffer_size) { + dprintk(1, + KERN_ERR + "%s: v4l_set_format() - video buffer size (%d kB) is too small\n", + ZR_DEVNAME(zr), fh->v4l_buffers.buffer_size >> 10); + return -EINVAL; + } + + /* The video front end needs 4-byte alinged line sizes */ + + if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) { + dprintk(1, + KERN_ERR + "%s: v4l_set_format() - wrong frame alingment\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + fh->v4l_settings.width = width; + fh->v4l_settings.height = height; + fh->v4l_settings.format = format; + fh->v4l_settings.bytesperline = bpp * fh->v4l_settings.width; + + return 0; +} + +static int +zoran_v4l_queue_frame (struct file *file, + int num) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned long flags; + int res = 0; + + if (!fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: v4l_queue_frame() - buffers not yet allocated\n", + ZR_DEVNAME(zr)); + res = -ENOMEM; + } + + /* No grabbing outside the buffer range! */ + if (num >= fh->v4l_buffers.num_buffers || num < 0) { + dprintk(1, + KERN_ERR + "%s: v4l_queue_frame() - buffer %d is out of range\n", + ZR_DEVNAME(zr), num); + res = -EINVAL; + } + + spin_lock_irqsave(&zr->spinlock, flags); + + if (fh->v4l_buffers.active == ZORAN_FREE) { + if (zr->v4l_buffers.active == ZORAN_FREE) { + zr->v4l_buffers = fh->v4l_buffers; + fh->v4l_buffers.active = ZORAN_ACTIVE; + } else { + dprintk(1, + KERN_ERR + "%s: v4l_queue_frame() - another session is already capturing\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + } + } + + /* make sure a grab isn't going on currently with this buffer */ + if (!res) { + switch (zr->v4l_buffers.buffer[num].state) { + default: + case BUZ_STATE_PEND: + if (zr->v4l_buffers.active == ZORAN_FREE) { + fh->v4l_buffers.active = ZORAN_FREE; + zr->v4l_buffers.allocated = 0; + } + res = -EBUSY; /* what are you doing? */ + break; + case BUZ_STATE_DONE: + dprintk(2, + KERN_WARNING + "%s: v4l_queue_frame() - queueing buffer %d in state DONE!?\n", + ZR_DEVNAME(zr), num); + case BUZ_STATE_USER: + /* since there is at least one unused buffer there's room for at least + * one more pend[] entry */ + zr->v4l_pend[zr->v4l_pend_head++ & + V4L_MASK_FRAME] = num; + zr->v4l_buffers.buffer[num].state = BUZ_STATE_PEND; + zr->v4l_buffers.buffer[num].bs.length = + fh->v4l_settings.bytesperline * + zr->v4l_settings.height; + fh->v4l_buffers.buffer[num] = + zr->v4l_buffers.buffer[num]; + break; + } + } + + spin_unlock_irqrestore(&zr->spinlock, flags); + + if (!res && zr->v4l_buffers.active == ZORAN_FREE) + zr->v4l_buffers.active = fh->v4l_buffers.active; + + return res; +} + +static int +v4l_grab (struct file *file, + struct video_mmap *mp) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int res = 0, i; + + for (i = 0; i < NUM_FORMATS; i++) { + if (zoran_formats[i].palette == mp->format && + zoran_formats[i].flags & ZORAN_FORMAT_CAPTURE && + !(zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)) + break; + } + if (i == NUM_FORMATS || zoran_formats[i].depth == 0) { + dprintk(1, + KERN_ERR + "%s: v4l_grab() - wrong bytes-per-pixel format\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + /* + * To minimize the time spent in the IRQ routine, we avoid setting up + * the video front end there. + * If this grab has different parameters from a running streaming capture + * we stop the streaming capture and start it over again. + */ + if (zr->v4l_memgrab_active && + (zr->v4l_settings.width != mp->width || + zr->v4l_settings.height != mp->height || + zr->v4l_settings.format->palette != mp->format)) { + res = wait_grab_pending(zr); + if (res) + return res; + } + if ((res = zoran_v4l_set_format(file, + mp->width, + mp->height, + &zoran_formats[i]))) + return res; + zr->v4l_settings = fh->v4l_settings; + + /* queue the frame in the pending queue */ + if ((res = zoran_v4l_queue_frame(file, mp->frame))) { + fh->v4l_buffers.active = ZORAN_FREE; + return res; + } + + /* put the 36057 into frame grabbing mode */ + if (!res && !zr->v4l_memgrab_active) + zr36057_set_memgrab(zr, 1); + + //dprintk(4, KERN_INFO "%s: Frame grab 3...\n", ZR_DEVNAME(zr)); + + return res; +} + +/* + * Sync on a V4L buffer + */ + +static int +v4l_sync (struct file *file, + int frame) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned long flags; + + if (fh->v4l_buffers.active == ZORAN_FREE) { + dprintk(1, + KERN_ERR + "%s: v4l_sync() - no grab active for this session\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + /* check passed-in frame number */ + if (frame >= fh->v4l_buffers.num_buffers || frame < 0) { + dprintk(1, + KERN_ERR "%s: v4l_sync() - frame %d is invalid\n", + ZR_DEVNAME(zr), frame); + return -EINVAL; + } + + /* Check if is buffer was queued at all */ + if (zr->v4l_buffers.buffer[frame].state == BUZ_STATE_USER) { + dprintk(1, + KERN_ERR + "%s: v4l_sync() - attempt to sync on a buffer which was not queued?\n", + ZR_DEVNAME(zr)); + return -EPROTO; + } + + /* wait on this buffer to get ready */ + if (!wait_event_interruptible_timeout(zr->v4l_capq, + (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND), + 10*HZ)) + return -ETIME; + if (signal_pending(current)) + return -ERESTARTSYS; + + /* buffer should now be in BUZ_STATE_DONE */ + if (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_DONE) + dprintk(2, + KERN_ERR "%s: v4l_sync() - internal state error\n", + ZR_DEVNAME(zr)); + + zr->v4l_buffers.buffer[frame].state = BUZ_STATE_USER; + fh->v4l_buffers.buffer[frame] = zr->v4l_buffers.buffer[frame]; + + spin_lock_irqsave(&zr->spinlock, flags); + + /* Check if streaming capture has finished */ + if (zr->v4l_pend_tail == zr->v4l_pend_head) { + zr36057_set_memgrab(zr, 0); + if (zr->v4l_buffers.active == ZORAN_ACTIVE) { + fh->v4l_buffers.active = zr->v4l_buffers.active = + ZORAN_FREE; + zr->v4l_buffers.allocated = 0; + } + } + + spin_unlock_irqrestore(&zr->spinlock, flags); + + return 0; +} + +/* + * Queue a MJPEG buffer for capture/playback + */ + +static int +zoran_jpg_queue_frame (struct file *file, + int num, + enum zoran_codec_mode mode) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned long flags; + int res = 0; + + /* Check if buffers are allocated */ + if (!fh->jpg_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: jpg_queue_frame() - buffers not yet allocated\n", + ZR_DEVNAME(zr)); + return -ENOMEM; + } + + /* No grabbing outside the buffer range! */ + if (num >= fh->jpg_buffers.num_buffers || num < 0) { + dprintk(1, + KERN_ERR + "%s: jpg_queue_frame() - buffer %d out of range\n", + ZR_DEVNAME(zr), num); + return -EINVAL; + } + + /* what is the codec mode right now? */ + if (zr->codec_mode == BUZ_MODE_IDLE) { + zr->jpg_settings = fh->jpg_settings; + } else if (zr->codec_mode != mode) { + /* wrong codec mode active - invalid */ + dprintk(1, + KERN_ERR + "%s: jpg_queue_frame() - codec in wrong mode\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + if (fh->jpg_buffers.active == ZORAN_FREE) { + if (zr->jpg_buffers.active == ZORAN_FREE) { + zr->jpg_buffers = fh->jpg_buffers; + fh->jpg_buffers.active = ZORAN_ACTIVE; + } else { + dprintk(1, + KERN_ERR + "%s: jpg_queue_frame() - another session is already capturing\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + } + } + + if (!res && zr->codec_mode == BUZ_MODE_IDLE) { + /* Ok load up the jpeg codec */ + zr36057_enable_jpg(zr, mode); + } + + spin_lock_irqsave(&zr->spinlock, flags); + + if (!res) { + switch (zr->jpg_buffers.buffer[num].state) { + case BUZ_STATE_DONE: + dprintk(2, + KERN_WARNING + "%s: jpg_queue_frame() - queing frame in BUZ_STATE_DONE state!?\n", + ZR_DEVNAME(zr)); + case BUZ_STATE_USER: + /* since there is at least one unused buffer there's room for at + *least one more pend[] entry */ + zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] = + num; + zr->jpg_buffers.buffer[num].state = BUZ_STATE_PEND; + fh->jpg_buffers.buffer[num] = + zr->jpg_buffers.buffer[num]; + zoran_feed_stat_com(zr); + break; + default: + case BUZ_STATE_DMA: + case BUZ_STATE_PEND: + if (zr->jpg_buffers.active == ZORAN_FREE) { + fh->jpg_buffers.active = ZORAN_FREE; + zr->jpg_buffers.allocated = 0; + } + res = -EBUSY; /* what are you doing? */ + break; + } + } + + spin_unlock_irqrestore(&zr->spinlock, flags); + + if (!res && zr->jpg_buffers.active == ZORAN_FREE) { + zr->jpg_buffers.active = fh->jpg_buffers.active; + } + + return res; +} + +static int +jpg_qbuf (struct file *file, + int frame, + enum zoran_codec_mode mode) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int res = 0; + + /* Does the user want to stop streaming? */ + if (frame < 0) { + if (zr->codec_mode == mode) { + if (fh->jpg_buffers.active == ZORAN_FREE) { + dprintk(1, + KERN_ERR + "%s: jpg_qbuf(-1) - session not active\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + fh->jpg_buffers.active = zr->jpg_buffers.active = + ZORAN_FREE; + zr->jpg_buffers.allocated = 0; + zr36057_enable_jpg(zr, BUZ_MODE_IDLE); + return 0; + } else { + dprintk(1, + KERN_ERR + "%s: jpg_qbuf() - stop streaming but not in streaming mode\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + } + + if ((res = zoran_jpg_queue_frame(file, frame, mode))) + return res; + + /* Start the jpeg codec when the first frame is queued */ + if (!res && zr->jpg_que_head == 1) + jpeg_start(zr); + + return res; +} + +/* + * Sync on a MJPEG buffer + */ + +static int +jpg_sync (struct file *file, + struct zoran_sync *bs) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned long flags; + int frame; + + if (fh->jpg_buffers.active == ZORAN_FREE) { + dprintk(1, + KERN_ERR + "%s: jpg_sync() - capture is not currently active\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + if (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS && + zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) { + dprintk(1, + KERN_ERR + "%s: jpg_sync() - codec not in streaming mode\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + if (!wait_event_interruptible_timeout(zr->jpg_capq, + (zr->jpg_que_tail != zr->jpg_dma_tail || + zr->jpg_dma_tail == zr->jpg_dma_head), + 10*HZ)) { + int isr; + + btand(~ZR36057_JMC_Go_en, ZR36057_JMC); + udelay(1); + zr->codec->control(zr->codec, CODEC_G_STATUS, + sizeof(isr), &isr); + dprintk(1, + KERN_ERR + "%s: jpg_sync() - timeout: codec isr=0x%02x\n", + ZR_DEVNAME(zr), isr); + + return -ETIME; + + } + if (signal_pending(current)) + return -ERESTARTSYS; + + spin_lock_irqsave(&zr->spinlock, flags); + + if (zr->jpg_dma_tail != zr->jpg_dma_head) + frame = zr->jpg_pend[zr->jpg_que_tail++ & BUZ_MASK_FRAME]; + else + frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME]; + + /* buffer should now be in BUZ_STATE_DONE */ + if (zr->jpg_buffers.buffer[frame].state != BUZ_STATE_DONE) + dprintk(2, + KERN_ERR "%s: jpg_sync() - internal state error\n", + ZR_DEVNAME(zr)); + + *bs = zr->jpg_buffers.buffer[frame].bs; + bs->frame = frame; + zr->jpg_buffers.buffer[frame].state = BUZ_STATE_USER; + fh->jpg_buffers.buffer[frame] = zr->jpg_buffers.buffer[frame]; + + spin_unlock_irqrestore(&zr->spinlock, flags); + + return 0; +} + +static void +zoran_open_init_session (struct file *file) +{ + int i; + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + /* Per default, map the V4L Buffers */ + fh->map_mode = ZORAN_MAP_MODE_RAW; + + /* take over the card's current settings */ + fh->overlay_settings = zr->overlay_settings; + fh->overlay_settings.is_set = 0; + fh->overlay_settings.format = zr->overlay_settings.format; + fh->overlay_active = ZORAN_FREE; + + /* v4l settings */ + fh->v4l_settings = zr->v4l_settings; + + /* v4l_buffers */ + memset(&fh->v4l_buffers, 0, sizeof(struct zoran_v4l_struct)); + for (i = 0; i < VIDEO_MAX_FRAME; i++) { + fh->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ + fh->v4l_buffers.buffer[i].bs.frame = i; + } + fh->v4l_buffers.allocated = 0; + fh->v4l_buffers.ready_to_be_freed = 0; + fh->v4l_buffers.active = ZORAN_FREE; + fh->v4l_buffers.buffer_size = v4l_bufsize; + fh->v4l_buffers.num_buffers = v4l_nbufs; + + /* jpg settings */ + fh->jpg_settings = zr->jpg_settings; + + /* jpg_buffers */ + memset(&fh->jpg_buffers, 0, sizeof(struct zoran_jpg_struct)); + for (i = 0; i < BUZ_MAX_FRAME; i++) { + fh->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ + fh->jpg_buffers.buffer[i].bs.frame = i; + } + fh->jpg_buffers.need_contiguous = zr->jpg_buffers.need_contiguous; + fh->jpg_buffers.allocated = 0; + fh->jpg_buffers.ready_to_be_freed = 0; + fh->jpg_buffers.active = ZORAN_FREE; + fh->jpg_buffers.buffer_size = jpg_bufsize; + fh->jpg_buffers.num_buffers = jpg_nbufs; +} + +static void +zoran_close_end_session (struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + /* overlay */ + if (fh->overlay_active != ZORAN_FREE) { + fh->overlay_active = zr->overlay_active = ZORAN_FREE; + zr->v4l_overlay_active = 0; + if (!zr->v4l_memgrab_active) + zr36057_overlay(zr, 0); + zr->overlay_mask = NULL; + } + + /* v4l capture */ + if (fh->v4l_buffers.active != ZORAN_FREE) { + unsigned long flags; + + spin_lock_irqsave(&zr->spinlock, flags); + zr36057_set_memgrab(zr, 0); + zr->v4l_buffers.allocated = 0; + zr->v4l_buffers.active = fh->v4l_buffers.active = + ZORAN_FREE; + spin_unlock_irqrestore(&zr->spinlock, flags); + } + + /* v4l buffers */ + if (fh->v4l_buffers.allocated || + fh->v4l_buffers.ready_to_be_freed) { + v4l_fbuffer_free(file); + } + + /* jpg capture */ + if (fh->jpg_buffers.active != ZORAN_FREE) { + zr36057_enable_jpg(zr, BUZ_MODE_IDLE); + zr->jpg_buffers.allocated = 0; + zr->jpg_buffers.active = fh->jpg_buffers.active = + ZORAN_FREE; + } + + /* jpg buffers */ + if (fh->jpg_buffers.allocated || + fh->jpg_buffers.ready_to_be_freed) { + jpg_fbuffer_free(file); + } +} + +/* + * Open a zoran card. Right now the flags stuff is just playing + */ + +static int +zoran_open (struct inode *inode, + struct file *file) +{ + unsigned int minor = iminor(inode); + struct zoran *zr = NULL; + struct zoran_fh *fh; + int i, res, first_open = 0, have_module_locks = 0; + + lock_kernel(); + /* find the device */ + for (i = 0; i < zoran_num; i++) { + if (zoran[i]->video_dev->minor == minor) { + zr = zoran[i]; + break; + } + } + + if (!zr) { + dprintk(1, KERN_ERR "%s: device not found!\n", ZORAN_NAME); + res = -ENODEV; + goto open_unlock_and_return; + } + + /* see fs/device.c - the kernel already locks during open(), + * so locking ourselves only causes deadlocks */ + /*mutex_lock(&zr->resource_lock);*/ + + if (!zr->decoder) { + dprintk(1, + KERN_ERR "%s: no TV decoder loaded for device!\n", + ZR_DEVNAME(zr)); + res = -EIO; + goto open_unlock_and_return; + } + + /* try to grab a module lock */ + if (!try_module_get(THIS_MODULE)) { + dprintk(1, + KERN_ERR + "%s: failed to acquire my own lock! PANIC!\n", + ZR_DEVNAME(zr)); + res = -ENODEV; + goto open_unlock_and_return; + } + if (!try_module_get(zr->decoder->driver->driver.owner)) { + dprintk(1, + KERN_ERR + "%s: failed to grab ownership of i2c decoder\n", + ZR_DEVNAME(zr)); + res = -EIO; + module_put(THIS_MODULE); + goto open_unlock_and_return; + } + if (zr->encoder && + !try_module_get(zr->encoder->driver->driver.owner)) { + dprintk(1, + KERN_ERR + "%s: failed to grab ownership of i2c encoder\n", + ZR_DEVNAME(zr)); + res = -EIO; + module_put(zr->decoder->driver->driver.owner); + module_put(THIS_MODULE); + goto open_unlock_and_return; + } + + have_module_locks = 1; + + if (zr->user >= 2048) { + dprintk(1, KERN_ERR "%s: too many users (%d) on device\n", + ZR_DEVNAME(zr), zr->user); + res = -EBUSY; + goto open_unlock_and_return; + } + + dprintk(1, KERN_INFO "%s: zoran_open(%s, pid=[%d]), users(-)=%d\n", + ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user); + + /* now, create the open()-specific file_ops struct */ + fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL); + if (!fh) { + dprintk(1, + KERN_ERR + "%s: zoran_open() - allocation of zoran_fh failed\n", + ZR_DEVNAME(zr)); + res = -ENOMEM; + goto open_unlock_and_return; + } + /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows + * on norm-change! */ + fh->overlay_mask = + kmalloc(((768 + 31) / 32) * 576 * 4, GFP_KERNEL); + if (!fh->overlay_mask) { + dprintk(1, + KERN_ERR + "%s: zoran_open() - allocation of overlay_mask failed\n", + ZR_DEVNAME(zr)); + kfree(fh); + res = -ENOMEM; + goto open_unlock_and_return; + } + + if (zr->user++ == 0) + first_open = 1; + + /*mutex_unlock(&zr->resource_lock);*/ + + /* default setup - TODO: look at flags */ + if (first_open) { /* First device open */ + zr36057_restart(zr); + zoran_open_init_params(zr); + zoran_init_hardware(zr); + + btor(ZR36057_ICR_IntPinEn, ZR36057_ICR); + } + + /* set file_ops stuff */ + file->private_data = fh; + fh->zr = zr; + zoran_open_init_session(file); + unlock_kernel(); + + return 0; + +open_unlock_and_return: + /* if we grabbed locks, release them accordingly */ + if (have_module_locks) { + module_put(zr->decoder->driver->driver.owner); + if (zr->encoder) { + module_put(zr->encoder->driver->driver.owner); + } + module_put(THIS_MODULE); + } + + /* if there's no device found, we didn't obtain the lock either */ + if (zr) { + /*mutex_unlock(&zr->resource_lock);*/ + } + unlock_kernel(); + + return res; +} + +static int +zoran_close (struct inode *inode, + struct file *file) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + dprintk(1, KERN_INFO "%s: zoran_close(%s, pid=[%d]), users(+)=%d\n", + ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user); + + /* kernel locks (fs/device.c), so don't do that ourselves + * (prevents deadlocks) */ + /*mutex_lock(&zr->resource_lock);*/ + + zoran_close_end_session(file); + + if (zr->user-- == 1) { /* Last process */ + /* Clean up JPEG process */ + wake_up_interruptible(&zr->jpg_capq); + zr36057_enable_jpg(zr, BUZ_MODE_IDLE); + zr->jpg_buffers.allocated = 0; + zr->jpg_buffers.active = ZORAN_FREE; + + /* disable interrupts */ + btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); + + if (zr36067_debug > 1) + print_interrupts(zr); + + /* Overlay off */ + zr->v4l_overlay_active = 0; + zr36057_overlay(zr, 0); + zr->overlay_mask = NULL; + + /* capture off */ + wake_up_interruptible(&zr->v4l_capq); + zr36057_set_memgrab(zr, 0); + zr->v4l_buffers.allocated = 0; + zr->v4l_buffers.active = ZORAN_FREE; + zoran_set_pci_master(zr, 0); + + if (!pass_through) { /* Switch to color bar */ + int zero = 0, two = 2; + decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); + encoder_command(zr, ENCODER_SET_INPUT, &two); + } + } + + file->private_data = NULL; + kfree(fh->overlay_mask); + kfree(fh); + + /* release locks on the i2c modules */ + module_put(zr->decoder->driver->driver.owner); + if (zr->encoder) { + module_put(zr->encoder->driver->driver.owner); + } + module_put(THIS_MODULE); + + /*mutex_unlock(&zr->resource_lock);*/ + + dprintk(4, KERN_INFO "%s: zoran_close() done\n", ZR_DEVNAME(zr)); + + return 0; +} + + +static ssize_t +zoran_read (struct file *file, + char __user *data, + size_t count, + loff_t *ppos) +{ + /* we simply don't support read() (yet)... */ + + return -EINVAL; +} + +static ssize_t +zoran_write (struct file *file, + const char __user *data, + size_t count, + loff_t *ppos) +{ + /* ...and the same goes for write() */ + + return -EINVAL; +} + +static int +setup_fbuffer (struct file *file, + void *base, + const struct zoran_format *fmt, + int width, + int height, + int bytesperline) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + /* (Ronald) v4l/v4l2 guidelines */ + if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO)) + return -EPERM; + + /* Don't allow frame buffer overlay if PCI or AGP is buggy, or on + ALi Magik (that needs very low latency while the card needs a + higher value always) */ + + if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK)) + return -ENXIO; + + /* we need a bytesperline value, even if not given */ + if (!bytesperline) + bytesperline = width * ((fmt->depth + 7) & ~7) / 8; + +#if 0 + if (zr->overlay_active) { + /* dzjee... stupid users... don't even bother to turn off + * overlay before changing the memory location... + * normally, we would return errors here. However, one of + * the tools that does this is... xawtv! and since xawtv + * is used by +/- 99% of the users, we'd rather be user- + * friendly and silently do as if nothing went wrong */ + dprintk(3, + KERN_ERR + "%s: setup_fbuffer() - forced overlay turnoff because framebuffer changed\n", + ZR_DEVNAME(zr)); + zr36057_overlay(zr, 0); + } +#endif + + if (!(fmt->flags & ZORAN_FORMAT_OVERLAY)) { + dprintk(1, + KERN_ERR + "%s: setup_fbuffer() - no valid overlay format given\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + if (height <= 0 || width <= 0 || bytesperline <= 0) { + dprintk(1, + KERN_ERR + "%s: setup_fbuffer() - invalid height/width/bpl value (%d|%d|%d)\n", + ZR_DEVNAME(zr), width, height, bytesperline); + return -EINVAL; + } + if (bytesperline & 3) { + dprintk(1, + KERN_ERR + "%s: setup_fbuffer() - bytesperline (%d) must be 4-byte aligned\n", + ZR_DEVNAME(zr), bytesperline); + return -EINVAL; + } + + zr->buffer.base = (void *) ((unsigned long) base & ~3); + zr->buffer.height = height; + zr->buffer.width = width; + zr->buffer.depth = fmt->depth; + zr->overlay_settings.format = fmt; + zr->buffer.bytesperline = bytesperline; + + /* The user should set new window parameters */ + zr->overlay_settings.is_set = 0; + + return 0; +} + + +static int +setup_window (struct file *file, + int x, + int y, + int width, + int height, + struct video_clip __user *clips, + int clipcount, + void __user *bitmap) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + struct video_clip *vcp = NULL; + int on, end; + + + if (!zr->buffer.base) { + dprintk(1, + KERN_ERR + "%s: setup_window() - frame buffer has to be set first\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + if (!fh->overlay_settings.format) { + dprintk(1, + KERN_ERR + "%s: setup_window() - no overlay format set\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + /* + * The video front end needs 4-byte alinged line sizes, we correct that + * silently here if necessary + */ + if (zr->buffer.depth == 15 || zr->buffer.depth == 16) { + end = (x + width) & ~1; /* round down */ + x = (x + 1) & ~1; /* round up */ + width = end - x; + } + + if (zr->buffer.depth == 24) { + end = (x + width) & ~3; /* round down */ + x = (x + 3) & ~3; /* round up */ + width = end - x; + } + + if (width > BUZ_MAX_WIDTH) + width = BUZ_MAX_WIDTH; + if (height > BUZ_MAX_HEIGHT) + height = BUZ_MAX_HEIGHT; + + /* Check for vaild parameters */ + if (width < BUZ_MIN_WIDTH || height < BUZ_MIN_HEIGHT || + width > BUZ_MAX_WIDTH || height > BUZ_MAX_HEIGHT) { + dprintk(1, + KERN_ERR + "%s: setup_window() - width = %d or height = %d invalid\n", + ZR_DEVNAME(zr), width, height); + return -EINVAL; + } + + fh->overlay_settings.x = x; + fh->overlay_settings.y = y; + fh->overlay_settings.width = width; + fh->overlay_settings.height = height; + fh->overlay_settings.clipcount = clipcount; + + /* + * If an overlay is running, we have to switch it off + * and switch it on again in order to get the new settings in effect. + * + * We also want to avoid that the overlay mask is written + * when an overlay is running. + */ + + on = zr->v4l_overlay_active && !zr->v4l_memgrab_active && + zr->overlay_active != ZORAN_FREE && + fh->overlay_active != ZORAN_FREE; + if (on) + zr36057_overlay(zr, 0); + + /* + * Write the overlay mask if clips are wanted. + * We prefer a bitmap. + */ + if (bitmap) { + /* fake value - it just means we want clips */ + fh->overlay_settings.clipcount = 1; + + if (copy_from_user(fh->overlay_mask, bitmap, + (width * height + 7) / 8)) { + return -EFAULT; + } + } else if (clipcount > 0) { + /* write our own bitmap from the clips */ + vcp = vmalloc(sizeof(struct video_clip) * (clipcount + 4)); + if (vcp == NULL) { + dprintk(1, + KERN_ERR + "%s: setup_window() - Alloc of clip mask failed\n", + ZR_DEVNAME(zr)); + return -ENOMEM; + } + if (copy_from_user + (vcp, clips, sizeof(struct video_clip) * clipcount)) { + vfree(vcp); + return -EFAULT; + } + write_overlay_mask(file, vcp, clipcount); + vfree(vcp); + } + + fh->overlay_settings.is_set = 1; + if (fh->overlay_active != ZORAN_FREE && + zr->overlay_active != ZORAN_FREE) + zr->overlay_settings = fh->overlay_settings; + + if (on) + zr36057_overlay(zr, 1); + + /* Make sure the changes come into effect */ + return wait_grab_pending(zr); +} + +static int +setup_overlay (struct file *file, + int on) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + /* If there is nothing to do, return immediatly */ + if ((on && fh->overlay_active != ZORAN_FREE) || + (!on && fh->overlay_active == ZORAN_FREE)) + return 0; + + /* check whether we're touching someone else's overlay */ + if (on && zr->overlay_active != ZORAN_FREE && + fh->overlay_active == ZORAN_FREE) { + dprintk(1, + KERN_ERR + "%s: setup_overlay() - overlay is already active for another session\n", + ZR_DEVNAME(zr)); + return -EBUSY; + } + if (!on && zr->overlay_active != ZORAN_FREE && + fh->overlay_active == ZORAN_FREE) { + dprintk(1, + KERN_ERR + "%s: setup_overlay() - you cannot cancel someone else's session\n", + ZR_DEVNAME(zr)); + return -EPERM; + } + + if (on == 0) { + zr->overlay_active = fh->overlay_active = ZORAN_FREE; + zr->v4l_overlay_active = 0; + /* When a grab is running, the video simply + * won't be switched on any more */ + if (!zr->v4l_memgrab_active) + zr36057_overlay(zr, 0); + zr->overlay_mask = NULL; + } else { + if (!zr->buffer.base || !fh->overlay_settings.is_set) { + dprintk(1, + KERN_ERR + "%s: setup_overlay() - buffer or window not set\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + if (!fh->overlay_settings.format) { + dprintk(1, + KERN_ERR + "%s: setup_overlay() - no overlay format set\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + zr->overlay_active = fh->overlay_active = ZORAN_LOCKED; + zr->v4l_overlay_active = 1; + zr->overlay_mask = fh->overlay_mask; + zr->overlay_settings = fh->overlay_settings; + if (!zr->v4l_memgrab_active) + zr36057_overlay(zr, 1); + /* When a grab is running, the video will be + * switched on when grab is finished */ + } + + /* Make sure the changes come into effect */ + return wait_grab_pending(zr); +} + + /* get the status of a buffer in the clients buffer queue */ +static int +zoran_v4l2_buffer_status (struct file *file, + struct v4l2_buffer *buf, + int num) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + + buf->flags = V4L2_BUF_FLAG_MAPPED; + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: + + /* check range */ + if (num < 0 || num >= fh->v4l_buffers.num_buffers || + !fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: v4l2_buffer_status() - wrong number or buffers not allocated\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + buf->length = fh->v4l_buffers.buffer_size; + + /* get buffer */ + buf->bytesused = fh->v4l_buffers.buffer[num].bs.length; + if (fh->v4l_buffers.buffer[num].state == BUZ_STATE_DONE || + fh->v4l_buffers.buffer[num].state == BUZ_STATE_USER) { + buf->sequence = fh->v4l_buffers.buffer[num].bs.seq; + buf->flags |= V4L2_BUF_FLAG_DONE; + buf->timestamp = + fh->v4l_buffers.buffer[num].bs.timestamp; + } else { + buf->flags |= V4L2_BUF_FLAG_QUEUED; + } + + if (fh->v4l_settings.height <= BUZ_MAX_HEIGHT / 2) + buf->field = V4L2_FIELD_TOP; + else + buf->field = V4L2_FIELD_INTERLACED; + + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + + /* check range */ + if (num < 0 || num >= fh->jpg_buffers.num_buffers || + !fh->jpg_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: v4l2_buffer_status() - wrong number or buffers not allocated\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ? + V4L2_BUF_TYPE_VIDEO_CAPTURE : + V4L2_BUF_TYPE_VIDEO_OUTPUT; + buf->length = fh->jpg_buffers.buffer_size; + + /* these variables are only written after frame has been captured */ + if (fh->jpg_buffers.buffer[num].state == BUZ_STATE_DONE || + fh->jpg_buffers.buffer[num].state == BUZ_STATE_USER) { + buf->sequence = fh->jpg_buffers.buffer[num].bs.seq; + buf->timestamp = + fh->jpg_buffers.buffer[num].bs.timestamp; + buf->bytesused = + fh->jpg_buffers.buffer[num].bs.length; + buf->flags |= V4L2_BUF_FLAG_DONE; + } else { + buf->flags |= V4L2_BUF_FLAG_QUEUED; + } + + /* which fields are these? */ + if (fh->jpg_settings.TmpDcm != 1) + buf->field = + fh->jpg_settings. + odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM; + else + buf->field = + fh->jpg_settings. + odd_even ? V4L2_FIELD_SEQ_TB : + V4L2_FIELD_SEQ_BT; + + break; + + default: + + dprintk(5, + KERN_ERR + "%s: v4l2_buffer_status() - invalid buffer type|map_mode (%d|%d)\n", + ZR_DEVNAME(zr), buf->type, fh->map_mode); + return -EINVAL; + } + + buf->memory = V4L2_MEMORY_MMAP; + buf->index = num; + buf->m.offset = buf->length * num; + + return 0; +} + +static int +zoran_set_norm (struct zoran *zr, + int norm) /* VIDEO_MODE_* */ +{ + int norm_encoder, on; + + if (zr->v4l_buffers.active != ZORAN_FREE || + zr->jpg_buffers.active != ZORAN_FREE) { + dprintk(1, + KERN_WARNING + "%s: set_norm() called while in playback/capture mode\n", + ZR_DEVNAME(zr)); + return -EBUSY; + } + + if (lock_norm && norm != zr->norm) { + if (lock_norm > 1) { + dprintk(1, + KERN_WARNING + "%s: set_norm() - TV standard is locked, can not switch norm\n", + ZR_DEVNAME(zr)); + return -EPERM; + } else { + dprintk(1, + KERN_WARNING + "%s: set_norm() - TV standard is locked, norm was not changed\n", + ZR_DEVNAME(zr)); + norm = zr->norm; + } + } + + if (norm != VIDEO_MODE_AUTO && + (norm < 0 || norm >= zr->card.norms || + !zr->card.tvn[norm])) { + dprintk(1, + KERN_ERR "%s: set_norm() - unsupported norm %d\n", + ZR_DEVNAME(zr), norm); + return -EINVAL; + } + + if (norm == VIDEO_MODE_AUTO) { + int status; + + /* if we have autodetect, ... */ + struct video_decoder_capability caps; + decoder_command(zr, DECODER_GET_CAPABILITIES, &caps); + if (!(caps.flags & VIDEO_DECODER_AUTO)) { + dprintk(1, KERN_ERR "%s: norm=auto unsupported\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + decoder_command(zr, DECODER_SET_NORM, &norm); + + /* let changes come into effect */ + ssleep(2); + + decoder_command(zr, DECODER_GET_STATUS, &status); + if (!(status & DECODER_STATUS_GOOD)) { + dprintk(1, + KERN_ERR + "%s: set_norm() - no norm detected\n", + ZR_DEVNAME(zr)); + /* reset norm */ + decoder_command(zr, DECODER_SET_NORM, &zr->norm); + return -EIO; + } + + if (status & DECODER_STATUS_NTSC) + norm = VIDEO_MODE_NTSC; + else if (status & DECODER_STATUS_SECAM) + norm = VIDEO_MODE_SECAM; + else + norm = VIDEO_MODE_PAL; + } + zr->timing = zr->card.tvn[norm]; + norm_encoder = norm; + + /* We switch overlay off and on since a change in the + * norm needs different VFE settings */ + on = zr->overlay_active && !zr->v4l_memgrab_active; + if (on) + zr36057_overlay(zr, 0); + + decoder_command(zr, DECODER_SET_NORM, &norm); + encoder_command(zr, ENCODER_SET_NORM, &norm_encoder); + + if (on) + zr36057_overlay(zr, 1); + + /* Make sure the changes come into effect */ + zr->norm = norm; + + return 0; +} + +static int +zoran_set_input (struct zoran *zr, + int input) +{ + int realinput; + + if (input == zr->input) { + return 0; + } + + if (zr->v4l_buffers.active != ZORAN_FREE || + zr->jpg_buffers.active != ZORAN_FREE) { + dprintk(1, + KERN_WARNING + "%s: set_input() called while in playback/capture mode\n", + ZR_DEVNAME(zr)); + return -EBUSY; + } + + if (input < 0 || input >= zr->card.inputs) { + dprintk(1, + KERN_ERR + "%s: set_input() - unnsupported input %d\n", + ZR_DEVNAME(zr), input); + return -EINVAL; + } + + realinput = zr->card.input[input].muxsel; + zr->input = input; + + decoder_command(zr, DECODER_SET_INPUT, &realinput); + + return 0; +} + +/* + * ioctl routine + */ + +static int +zoran_do_ioctl (struct inode *inode, + struct file *file, + unsigned int cmd, + void *arg) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + /* CAREFUL: used in multiple places here */ + struct zoran_jpg_settings settings; + + /* we might have older buffers lying around... We don't want + * to wait, but we do want to try cleaning them up ASAP. So + * we try to obtain the lock and free them. If that fails, we + * don't do anything and wait for the next turn. In the end, + * zoran_close() or a new allocation will still free them... + * This is just a 'the sooner the better' extra 'feature' + * + * We don't free the buffers right on munmap() because that + * causes oopses (kfree() inside munmap() oopses for no + * apparent reason - it's also not reproduceable in any way, + * but moving the free code outside the munmap() handler fixes + * all this... If someone knows why, please explain me (Ronald) + */ + if (mutex_trylock(&zr->resource_lock)) { + /* we obtained it! Let's try to free some things */ + if (fh->jpg_buffers.ready_to_be_freed) + jpg_fbuffer_free(file); + if (fh->v4l_buffers.ready_to_be_freed) + v4l_fbuffer_free(file); + + mutex_unlock(&zr->resource_lock); + } + + switch (cmd) { + + case VIDIOCGCAP: + { + struct video_capability *vcap = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGCAP\n", ZR_DEVNAME(zr)); + + memset(vcap, 0, sizeof(struct video_capability)); + strncpy(vcap->name, ZR_DEVNAME(zr), sizeof(vcap->name)-1); + vcap->type = ZORAN_VID_TYPE; + + vcap->channels = zr->card.inputs; + vcap->audios = 0; + mutex_lock(&zr->resource_lock); + vcap->maxwidth = BUZ_MAX_WIDTH; + vcap->maxheight = BUZ_MAX_HEIGHT; + vcap->minwidth = BUZ_MIN_WIDTH; + vcap->minheight = BUZ_MIN_HEIGHT; + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOCGCHAN: + { + struct video_channel *vchan = arg; + int channel = vchan->channel; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGCHAN - channel=%d\n", + ZR_DEVNAME(zr), vchan->channel); + + memset(vchan, 0, sizeof(struct video_channel)); + if (channel > zr->card.inputs || channel < 0) { + dprintk(1, + KERN_ERR + "%s: VIDIOCGCHAN on not existing channel %d\n", + ZR_DEVNAME(zr), channel); + return -EINVAL; + } + + strcpy(vchan->name, zr->card.input[channel].name); + + vchan->tuners = 0; + vchan->flags = 0; + vchan->type = VIDEO_TYPE_CAMERA; + mutex_lock(&zr->resource_lock); + vchan->norm = zr->norm; + mutex_unlock(&zr->resource_lock); + vchan->channel = channel; + + return 0; + } + break; + + /* RJ: the documentation at http://roadrunner.swansea.linux.org.uk/v4lapi.shtml says: + * + * * "The VIDIOCSCHAN ioctl takes an integer argument and switches the capture to this input." + * * ^^^^^^^ + * * The famos BTTV driver has it implemented with a struct video_channel argument + * * and we follow it for compatibility reasons + * * + * * BTW: this is the only way the user can set the norm! + */ + + case VIDIOCSCHAN: + { + struct video_channel *vchan = arg; + int res; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOCSCHAN - channel=%d, norm=%d\n", + ZR_DEVNAME(zr), vchan->channel, vchan->norm); + + mutex_lock(&zr->resource_lock); + if ((res = zoran_set_input(zr, vchan->channel))) + goto schan_unlock_and_return; + if ((res = zoran_set_norm(zr, vchan->norm))) + goto schan_unlock_and_return; + + /* Make sure the changes come into effect */ + res = wait_grab_pending(zr); + schan_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOCGPICT: + { + struct video_picture *vpict = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGPICT\n", ZR_DEVNAME(zr)); + + memset(vpict, 0, sizeof(struct video_picture)); + mutex_lock(&zr->resource_lock); + vpict->hue = zr->hue; + vpict->brightness = zr->brightness; + vpict->contrast = zr->contrast; + vpict->colour = zr->saturation; + if (fh->overlay_settings.format) { + vpict->depth = fh->overlay_settings.format->depth; + vpict->palette = fh->overlay_settings.format->palette; + } else { + vpict->depth = 0; + } + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOCSPICT: + { + struct video_picture *vpict = arg; + int i; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOCSPICT - bri=%d, hue=%d, col=%d, con=%d, dep=%d, pal=%d\n", + ZR_DEVNAME(zr), vpict->brightness, vpict->hue, + vpict->colour, vpict->contrast, vpict->depth, + vpict->palette); + + for (i = 0; i < NUM_FORMATS; i++) { + const struct zoran_format *fmt = &zoran_formats[i]; + + if (fmt->palette != -1 && + fmt->flags & ZORAN_FORMAT_OVERLAY && + fmt->palette == vpict->palette && + fmt->depth == vpict->depth) + break; + } + if (i == NUM_FORMATS) { + dprintk(1, + KERN_ERR + "%s: VIDIOCSPICT - Invalid palette %d\n", + ZR_DEVNAME(zr), vpict->palette); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + + decoder_command(zr, DECODER_SET_PICTURE, vpict); + + zr->hue = vpict->hue; + zr->contrast = vpict->contrast; + zr->saturation = vpict->colour; + zr->brightness = vpict->brightness; + + fh->overlay_settings.format = &zoran_formats[i]; + + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOCCAPTURE: + { + int *on = arg, res; + + dprintk(3, KERN_DEBUG "%s: VIDIOCCAPTURE - on=%d\n", + ZR_DEVNAME(zr), *on); + + mutex_lock(&zr->resource_lock); + res = setup_overlay(file, *on); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOCGWIN: + { + struct video_window *vwin = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGWIN\n", ZR_DEVNAME(zr)); + + memset(vwin, 0, sizeof(struct video_window)); + mutex_lock(&zr->resource_lock); + vwin->x = fh->overlay_settings.x; + vwin->y = fh->overlay_settings.y; + vwin->width = fh->overlay_settings.width; + vwin->height = fh->overlay_settings.height; + mutex_unlock(&zr->resource_lock); + vwin->clipcount = 0; + return 0; + } + break; + + case VIDIOCSWIN: + { + struct video_window *vwin = arg; + int res; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOCSWIN - x=%d, y=%d, w=%d, h=%d, clipcount=%d\n", + ZR_DEVNAME(zr), vwin->x, vwin->y, vwin->width, + vwin->height, vwin->clipcount); + + mutex_lock(&zr->resource_lock); + res = + setup_window(file, vwin->x, vwin->y, vwin->width, + vwin->height, vwin->clips, + vwin->clipcount, NULL); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOCGFBUF: + { + struct video_buffer *vbuf = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGFBUF\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + *vbuf = zr->buffer; + mutex_unlock(&zr->resource_lock); + return 0; + } + break; + + case VIDIOCSFBUF: + { + struct video_buffer *vbuf = arg; + int i, res = 0; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOCSFBUF - base=%p, w=%d, h=%d, depth=%d, bpl=%d\n", + ZR_DEVNAME(zr), vbuf->base, vbuf->width, + vbuf->height, vbuf->depth, vbuf->bytesperline); + + for (i = 0; i < NUM_FORMATS; i++) + if (zoran_formats[i].depth == vbuf->depth) + break; + if (i == NUM_FORMATS) { + dprintk(1, + KERN_ERR + "%s: VIDIOCSFBUF - invalid fbuf depth %d\n", + ZR_DEVNAME(zr), vbuf->depth); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + res = + setup_fbuffer(file, vbuf->base, &zoran_formats[i], + vbuf->width, vbuf->height, + vbuf->bytesperline); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOCSYNC: + { + int *frame = arg, res; + + dprintk(3, KERN_DEBUG "%s: VIDIOCSYNC - frame=%d\n", + ZR_DEVNAME(zr), *frame); + + mutex_lock(&zr->resource_lock); + res = v4l_sync(file, *frame); + mutex_unlock(&zr->resource_lock); + if (!res) + zr->v4l_sync_tail++; + return res; + } + break; + + case VIDIOCMCAPTURE: + { + struct video_mmap *vmap = arg; + int res; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOCMCAPTURE - frame=%d, geom=%dx%d, fmt=%d\n", + ZR_DEVNAME(zr), vmap->frame, vmap->width, vmap->height, + vmap->format); + + mutex_lock(&zr->resource_lock); + res = v4l_grab(file, vmap); + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOCGMBUF: + { + struct video_mbuf *vmbuf = arg; + int i, res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGMBUF\n", ZR_DEVNAME(zr)); + + vmbuf->size = + fh->v4l_buffers.num_buffers * + fh->v4l_buffers.buffer_size; + vmbuf->frames = fh->v4l_buffers.num_buffers; + for (i = 0; i < vmbuf->frames; i++) { + vmbuf->offsets[i] = + i * fh->v4l_buffers.buffer_size; + } + + mutex_lock(&zr->resource_lock); + + if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: VIDIOCGMBUF - buffers already allocated\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto v4l1reqbuf_unlock_and_return; + } + + if (v4l_fbuffer_alloc(file)) { + res = -ENOMEM; + goto v4l1reqbuf_unlock_and_return; + } + + /* The next mmap will map the V4L buffers */ + fh->map_mode = ZORAN_MAP_MODE_RAW; + v4l1reqbuf_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOCGUNIT: + { + struct video_unit *vunit = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOCGUNIT\n", ZR_DEVNAME(zr)); + + vunit->video = zr->video_dev->minor; + vunit->vbi = VIDEO_NO_UNIT; + vunit->radio = VIDEO_NO_UNIT; + vunit->audio = VIDEO_NO_UNIT; + vunit->teletext = VIDEO_NO_UNIT; + + return 0; + } + break; + + /* + * RJ: In principal we could support subcaptures for V4L grabbing. + * Not even the famous BTTV driver has them, however. + * If there should be a strong demand, one could consider + * to implement them. + */ + case VIDIOCGCAPTURE: + { + dprintk(3, KERN_ERR "%s: VIDIOCGCAPTURE not supported\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + break; + + case VIDIOCSCAPTURE: + { + dprintk(3, KERN_ERR "%s: VIDIOCSCAPTURE not supported\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + break; + + case BUZIOC_G_PARAMS: + { + struct zoran_params *bparams = arg; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_G_PARAMS\n", ZR_DEVNAME(zr)); + + memset(bparams, 0, sizeof(struct zoran_params)); + bparams->major_version = MAJOR_VERSION; + bparams->minor_version = MINOR_VERSION; + + mutex_lock(&zr->resource_lock); + + bparams->norm = zr->norm; + bparams->input = zr->input; + + bparams->decimation = fh->jpg_settings.decimation; + bparams->HorDcm = fh->jpg_settings.HorDcm; + bparams->VerDcm = fh->jpg_settings.VerDcm; + bparams->TmpDcm = fh->jpg_settings.TmpDcm; + bparams->field_per_buff = fh->jpg_settings.field_per_buff; + bparams->img_x = fh->jpg_settings.img_x; + bparams->img_y = fh->jpg_settings.img_y; + bparams->img_width = fh->jpg_settings.img_width; + bparams->img_height = fh->jpg_settings.img_height; + bparams->odd_even = fh->jpg_settings.odd_even; + + bparams->quality = fh->jpg_settings.jpg_comp.quality; + bparams->APPn = fh->jpg_settings.jpg_comp.APPn; + bparams->APP_len = fh->jpg_settings.jpg_comp.APP_len; + memcpy(bparams->APP_data, + fh->jpg_settings.jpg_comp.APP_data, + sizeof(bparams->APP_data)); + bparams->COM_len = zr->jpg_settings.jpg_comp.COM_len; + memcpy(bparams->COM_data, + fh->jpg_settings.jpg_comp.COM_data, + sizeof(bparams->COM_data)); + bparams->jpeg_markers = + fh->jpg_settings.jpg_comp.jpeg_markers; + + mutex_unlock(&zr->resource_lock); + + bparams->VFIFO_FB = 0; + + return 0; + } + break; + + case BUZIOC_S_PARAMS: + { + struct zoran_params *bparams = arg; + int res = 0; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_S_PARAMS\n", ZR_DEVNAME(zr)); + + settings.decimation = bparams->decimation; + settings.HorDcm = bparams->HorDcm; + settings.VerDcm = bparams->VerDcm; + settings.TmpDcm = bparams->TmpDcm; + settings.field_per_buff = bparams->field_per_buff; + settings.img_x = bparams->img_x; + settings.img_y = bparams->img_y; + settings.img_width = bparams->img_width; + settings.img_height = bparams->img_height; + settings.odd_even = bparams->odd_even; + + settings.jpg_comp.quality = bparams->quality; + settings.jpg_comp.APPn = bparams->APPn; + settings.jpg_comp.APP_len = bparams->APP_len; + memcpy(settings.jpg_comp.APP_data, bparams->APP_data, + sizeof(bparams->APP_data)); + settings.jpg_comp.COM_len = bparams->COM_len; + memcpy(settings.jpg_comp.COM_data, bparams->COM_data, + sizeof(bparams->COM_data)); + settings.jpg_comp.jpeg_markers = bparams->jpeg_markers; + + mutex_lock(&zr->resource_lock); + + if (zr->codec_mode != BUZ_MODE_IDLE) { + dprintk(1, + KERN_ERR + "%s: BUZIOC_S_PARAMS called, but Buz in capture/playback mode\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto sparams_unlock_and_return; + } + + /* Check the params first before overwriting our + * nternal values */ + if (zoran_check_jpg_settings(zr, &settings)) { + res = -EINVAL; + goto sparams_unlock_and_return; + } + + fh->jpg_settings = settings; + sparams_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case BUZIOC_REQBUFS: + { + struct zoran_requestbuffers *breq = arg; + int res = 0; + + dprintk(3, + KERN_DEBUG + "%s: BUZIOC_REQBUFS - count=%lu, size=%lu\n", + ZR_DEVNAME(zr), breq->count, breq->size); + + /* Enforce reasonable lower and upper limits */ + if (breq->count < 4) + breq->count = 4; /* Could be choosen smaller */ + if (breq->count > jpg_nbufs) + breq->count = jpg_nbufs; + breq->size = PAGE_ALIGN(breq->size); + if (breq->size < 8192) + breq->size = 8192; /* Arbitrary */ + /* breq->size is limited by 1 page for the stat_com + * tables to a Maximum of 2 MB */ + if (breq->size > jpg_bufsize) + breq->size = jpg_bufsize; + if (fh->jpg_buffers.need_contiguous && + breq->size > MAX_KMALLOC_MEM) + breq->size = MAX_KMALLOC_MEM; + + mutex_lock(&zr->resource_lock); + + if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: BUZIOC_REQBUFS - buffers allready allocated\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto jpgreqbuf_unlock_and_return; + } + + fh->jpg_buffers.num_buffers = breq->count; + fh->jpg_buffers.buffer_size = breq->size; + + if (jpg_fbuffer_alloc(file)) { + res = -ENOMEM; + goto jpgreqbuf_unlock_and_return; + } + + /* The next mmap will map the MJPEG buffers - could + * also be *_PLAY, but it doesn't matter here */ + fh->map_mode = ZORAN_MAP_MODE_JPG_REC; + jpgreqbuf_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case BUZIOC_QBUF_CAPT: + { + int *frame = arg, res; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_CAPT - frame=%d\n", + ZR_DEVNAME(zr), *frame); + + mutex_lock(&zr->resource_lock); + res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_COMPRESS); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case BUZIOC_QBUF_PLAY: + { + int *frame = arg, res; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_PLAY - frame=%d\n", + ZR_DEVNAME(zr), *frame); + + mutex_lock(&zr->resource_lock); + res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_DECOMPRESS); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case BUZIOC_SYNC: + { + struct zoran_sync *bsync = arg; + int res; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_SYNC\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + res = jpg_sync(file, bsync); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case BUZIOC_G_STATUS: + { + struct zoran_status *bstat = arg; + int norm, input, status, res = 0; + + dprintk(3, KERN_DEBUG "%s: BUZIOC_G_STATUS\n", ZR_DEVNAME(zr)); + + if (zr->codec_mode != BUZ_MODE_IDLE) { + dprintk(1, + KERN_ERR + "%s: BUZIOC_G_STATUS called but Buz in capture/playback mode\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + input = zr->card.input[bstat->input].muxsel; + norm = VIDEO_MODE_AUTO; + + mutex_lock(&zr->resource_lock); + + if (zr->codec_mode != BUZ_MODE_IDLE) { + dprintk(1, + KERN_ERR + "%s: BUZIOC_G_STATUS called, but Buz in capture/playback mode\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto gstat_unlock_and_return; + } + + decoder_command(zr, DECODER_SET_INPUT, &input); + decoder_command(zr, DECODER_SET_NORM, &norm); + + /* sleep 1 second */ + ssleep(1); + + /* Get status of video decoder */ + decoder_command(zr, DECODER_GET_STATUS, &status); + + /* restore previous input and norm */ + input = zr->card.input[zr->input].muxsel; + decoder_command(zr, DECODER_SET_INPUT, &input); + decoder_command(zr, DECODER_SET_NORM, &zr->norm); + gstat_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + if (!res) { + bstat->signal = + (status & DECODER_STATUS_GOOD) ? 1 : 0; + if (status & DECODER_STATUS_NTSC) + bstat->norm = VIDEO_MODE_NTSC; + else if (status & DECODER_STATUS_SECAM) + bstat->norm = VIDEO_MODE_SECAM; + else + bstat->norm = VIDEO_MODE_PAL; + + bstat->color = + (status & DECODER_STATUS_COLOR) ? 1 : 0; + } + + return res; + } + break; + + /* The new video4linux2 capture interface - much nicer than video4linux1, since + * it allows for integrating the JPEG capturing calls inside standard v4l2 + */ + + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_QUERYCAP\n", ZR_DEVNAME(zr)); + + memset(cap, 0, sizeof(*cap)); + strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1); + strncpy(cap->driver, "zoran", sizeof(cap->driver)-1); + snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", + pci_name(zr->pci_dev)); + cap->version = + KERNEL_VERSION(MAJOR_VERSION, MINOR_VERSION, + RELEASE_VERSION); + cap->capabilities = ZORAN_V4L2_VID_FLAGS; + + return 0; + } + break; + + case VIDIOC_ENUM_FMT: + { + struct v4l2_fmtdesc *fmt = arg; + int index = fmt->index, num = -1, i, flag = 0, type = + fmt->type; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUM_FMT - index=%d\n", + ZR_DEVNAME(zr), fmt->index); + + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + flag = ZORAN_FORMAT_CAPTURE; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + flag = ZORAN_FORMAT_PLAYBACK; + break; + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + flag = ZORAN_FORMAT_OVERLAY; + break; + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_ENUM_FMT - unknown type %d\n", + ZR_DEVNAME(zr), fmt->type); + return -EINVAL; + } + + for (i = 0; i < NUM_FORMATS; i++) { + if (zoran_formats[i].flags & flag) + num++; + if (num == fmt->index) + break; + } + if (fmt->index < 0 /* late, but not too late */ || + i == NUM_FORMATS) + return -EINVAL; + + memset(fmt, 0, sizeof(*fmt)); + fmt->index = index; + fmt->type = type; + strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1); + fmt->pixelformat = zoran_formats[i].fourcc; + if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) + fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; + + return 0; + } + break; + + case VIDIOC_G_FMT: + { + struct v4l2_format *fmt = arg; + int type = fmt->type; + + dprintk(5, KERN_DEBUG "%s: VIDIOC_G_FMT\n", ZR_DEVNAME(zr)); + + memset(fmt, 0, sizeof(*fmt)); + fmt->type = type; + + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + + mutex_lock(&zr->resource_lock); + + fmt->fmt.win.w.left = fh->overlay_settings.x; + fmt->fmt.win.w.top = fh->overlay_settings.y; + fmt->fmt.win.w.width = fh->overlay_settings.width; + fmt->fmt.win.w.height = + fh->overlay_settings.height; + if (fh->overlay_settings.width * 2 > + BUZ_MAX_HEIGHT) + fmt->fmt.win.field = V4L2_FIELD_INTERLACED; + else + fmt->fmt.win.field = V4L2_FIELD_TOP; + + mutex_unlock(&zr->resource_lock); + + break; + + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + + mutex_lock(&zr->resource_lock); + + if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && + fh->map_mode == ZORAN_MAP_MODE_RAW) { + + fmt->fmt.pix.width = + fh->v4l_settings.width; + fmt->fmt.pix.height = + fh->v4l_settings.height; + fmt->fmt.pix.sizeimage = + fh->v4l_settings.bytesperline * + fh->v4l_settings.height; + fmt->fmt.pix.pixelformat = + fh->v4l_settings.format->fourcc; + fmt->fmt.pix.colorspace = + fh->v4l_settings.format->colorspace; + fmt->fmt.pix.bytesperline = + fh->v4l_settings.bytesperline; + if (BUZ_MAX_HEIGHT < + (fh->v4l_settings.height * 2)) + fmt->fmt.pix.field = + V4L2_FIELD_INTERLACED; + else + fmt->fmt.pix.field = + V4L2_FIELD_TOP; + + } else { + + fmt->fmt.pix.width = + fh->jpg_settings.img_width / + fh->jpg_settings.HorDcm; + fmt->fmt.pix.height = + fh->jpg_settings.img_height / + (fh->jpg_settings.VerDcm * + fh->jpg_settings.TmpDcm); + fmt->fmt.pix.sizeimage = + zoran_v4l2_calc_bufsize(&fh-> + jpg_settings); + fmt->fmt.pix.pixelformat = + V4L2_PIX_FMT_MJPEG; + if (fh->jpg_settings.TmpDcm == 1) + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_SEQ_BT : + V4L2_FIELD_SEQ_BT); + else + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_TOP : + V4L2_FIELD_BOTTOM); + + fmt->fmt.pix.bytesperline = 0; + fmt->fmt.pix.colorspace = + V4L2_COLORSPACE_SMPTE170M; + } + + mutex_unlock(&zr->resource_lock); + + break; + + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_G_FMT - unsupported type %d\n", + ZR_DEVNAME(zr), fmt->type); + return -EINVAL; + } + return 0; + } + break; + + case VIDIOC_S_FMT: + { + struct v4l2_format *fmt = arg; + int i, res = 0; + __le32 printformat; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_S_FMT - type=%d, ", + ZR_DEVNAME(zr), fmt->type); + + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + + dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n", + fmt->fmt.win.w.left, fmt->fmt.win.w.top, + fmt->fmt.win.w.width, + fmt->fmt.win.w.height, + fmt->fmt.win.clipcount, + fmt->fmt.win.bitmap); + mutex_lock(&zr->resource_lock); + res = + setup_window(file, fmt->fmt.win.w.left, + fmt->fmt.win.w.top, + fmt->fmt.win.w.width, + fmt->fmt.win.w.height, + (struct video_clip __user *) + fmt->fmt.win.clips, + fmt->fmt.win.clipcount, + fmt->fmt.win.bitmap); + mutex_unlock(&zr->resource_lock); + return res; + break; + + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + + printformat = + __cpu_to_le32(fmt->fmt.pix.pixelformat); + dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n", + fmt->fmt.pix.width, fmt->fmt.pix.height, + fmt->fmt.pix.pixelformat, + (char *) &printformat); + + /* we can be requested to do JPEG/raw playback/capture */ + if (! + (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || + (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && + fmt->fmt.pix.pixelformat == + V4L2_PIX_FMT_MJPEG))) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FMT - unknown type %d/0x%x(%4.4s) combination\n", + ZR_DEVNAME(zr), fmt->type, + fmt->fmt.pix.pixelformat, + (char *) &printformat); + return -EINVAL; + } + + if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) { + mutex_lock(&zr->resource_lock); + + settings = fh->jpg_settings; + + if (fh->v4l_buffers.allocated || + fh->jpg_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FMT - cannot change capture mode\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto sfmtjpg_unlock_and_return; + } + + /* we actually need to set 'real' parameters now */ + if ((fmt->fmt.pix.height * 2) > + BUZ_MAX_HEIGHT) + settings.TmpDcm = 1; + else + settings.TmpDcm = 2; + settings.decimation = 0; + if (fmt->fmt.pix.height <= + fh->jpg_settings.img_height / 2) + settings.VerDcm = 2; + else + settings.VerDcm = 1; + if (fmt->fmt.pix.width <= + fh->jpg_settings.img_width / 4) + settings.HorDcm = 4; + else if (fmt->fmt.pix.width <= + fh->jpg_settings.img_width / 2) + settings.HorDcm = 2; + else + settings.HorDcm = 1; + if (settings.TmpDcm == 1) + settings.field_per_buff = 2; + else + settings.field_per_buff = 1; + + /* check */ + if ((res = + zoran_check_jpg_settings(zr, + &settings))) + goto sfmtjpg_unlock_and_return; + + /* it's ok, so set them */ + fh->jpg_settings = settings; + + /* tell the user what we actually did */ + fmt->fmt.pix.width = + settings.img_width / settings.HorDcm; + fmt->fmt.pix.height = + settings.img_height * 2 / + (settings.TmpDcm * settings.VerDcm); + if (settings.TmpDcm == 1) + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_SEQ_TB : + V4L2_FIELD_SEQ_BT); + else + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_TOP : + V4L2_FIELD_BOTTOM); + fh->jpg_buffers.buffer_size = + zoran_v4l2_calc_bufsize(&fh-> + jpg_settings); + fmt->fmt.pix.bytesperline = 0; + fmt->fmt.pix.sizeimage = + fh->jpg_buffers.buffer_size; + fmt->fmt.pix.colorspace = + V4L2_COLORSPACE_SMPTE170M; + + /* we hereby abuse this variable to show that + * we're gonna do mjpeg capture */ + fh->map_mode = + (fmt->type == + V4L2_BUF_TYPE_VIDEO_CAPTURE) ? + ZORAN_MAP_MODE_JPG_REC : + ZORAN_MAP_MODE_JPG_PLAY; + sfmtjpg_unlock_and_return: + mutex_unlock(&zr->resource_lock); + } else { + for (i = 0; i < NUM_FORMATS; i++) + if (fmt->fmt.pix.pixelformat == + zoran_formats[i].fourcc) + break; + if (i == NUM_FORMATS) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x (%4.4s)\n", + ZR_DEVNAME(zr), + fmt->fmt.pix.pixelformat, + (char *) &printformat); + return -EINVAL; + } + mutex_lock(&zr->resource_lock); + if (fh->jpg_buffers.allocated || + (fh->v4l_buffers.allocated && + fh->v4l_buffers.active != + ZORAN_FREE)) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FMT - cannot change capture mode\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto sfmtv4l_unlock_and_return; + } + if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT) + fmt->fmt.pix.height = + BUZ_MAX_HEIGHT; + if (fmt->fmt.pix.width > BUZ_MAX_WIDTH) + fmt->fmt.pix.width = BUZ_MAX_WIDTH; + + if ((res = + zoran_v4l_set_format(file, + fmt->fmt.pix. + width, + fmt->fmt.pix. + height, + &zoran_formats + [i]))) + goto sfmtv4l_unlock_and_return; + + /* tell the user the + * results/missing stuff */ + fmt->fmt.pix.bytesperline = + fh->v4l_settings.bytesperline; + fmt->fmt.pix.sizeimage = + fh->v4l_settings.height * + fh->v4l_settings.bytesperline; + fmt->fmt.pix.colorspace = + fh->v4l_settings.format->colorspace; + if (BUZ_MAX_HEIGHT < + (fh->v4l_settings.height * 2)) + fmt->fmt.pix.field = + V4L2_FIELD_INTERLACED; + else + fmt->fmt.pix.field = + V4L2_FIELD_TOP; + + fh->map_mode = ZORAN_MAP_MODE_RAW; + sfmtv4l_unlock_and_return: + mutex_unlock(&zr->resource_lock); + } + + break; + + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FMT - unsupported type %d\n", + ZR_DEVNAME(zr), fmt->type); + return -EINVAL; + } + + return res; + } + break; + + case VIDIOC_G_FBUF: + { + struct v4l2_framebuffer *fb = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_FBUF\n", ZR_DEVNAME(zr)); + + memset(fb, 0, sizeof(*fb)); + mutex_lock(&zr->resource_lock); + fb->base = zr->buffer.base; + fb->fmt.width = zr->buffer.width; + fb->fmt.height = zr->buffer.height; + if (zr->overlay_settings.format) { + fb->fmt.pixelformat = + fh->overlay_settings.format->fourcc; + } + fb->fmt.bytesperline = zr->buffer.bytesperline; + mutex_unlock(&zr->resource_lock); + fb->fmt.colorspace = V4L2_COLORSPACE_SRGB; + fb->fmt.field = V4L2_FIELD_INTERLACED; + fb->flags = V4L2_FBUF_FLAG_OVERLAY; + fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; + + return 0; + } + break; + + case VIDIOC_S_FBUF: + { + int i, res = 0; + struct v4l2_framebuffer *fb = arg; + __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat); + + dprintk(3, + KERN_DEBUG + "%s: VIDIOC_S_FBUF - base=0x%p, size=%dx%d, bpl=%d, fmt=0x%x (%4.4s)\n", + ZR_DEVNAME(zr), fb->base, fb->fmt.width, fb->fmt.height, + fb->fmt.bytesperline, fb->fmt.pixelformat, + (char *) &printformat); + + for (i = 0; i < NUM_FORMATS; i++) + if (zoran_formats[i].fourcc == fb->fmt.pixelformat) + break; + if (i == NUM_FORMATS) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n", + ZR_DEVNAME(zr), fb->fmt.pixelformat, + (char *) &printformat); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + res = + setup_fbuffer(file, fb->base, &zoran_formats[i], + fb->fmt.width, fb->fmt.height, + fb->fmt.bytesperline); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_OVERLAY: + { + int *on = arg, res; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_PREVIEW - on=%d\n", + ZR_DEVNAME(zr), *on); + + mutex_lock(&zr->resource_lock); + res = setup_overlay(file, *on); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_REQBUFS: + { + struct v4l2_requestbuffers *req = arg; + int res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_REQBUFS - type=%d\n", + ZR_DEVNAME(zr), req->type); + + if (req->memory != V4L2_MEMORY_MMAP) { + dprintk(1, + KERN_ERR + "%s: only MEMORY_MMAP capture is supported, not %d\n", + ZR_DEVNAME(zr), req->memory); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + + if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_REQBUFS - buffers allready allocated\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto v4l2reqbuf_unlock_and_return; + } + + if (fh->map_mode == ZORAN_MAP_MODE_RAW && + req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + + /* control user input */ + if (req->count < 2) + req->count = 2; + if (req->count > v4l_nbufs) + req->count = v4l_nbufs; + fh->v4l_buffers.num_buffers = req->count; + + if (v4l_fbuffer_alloc(file)) { + res = -ENOMEM; + goto v4l2reqbuf_unlock_and_return; + } + + /* The next mmap will map the V4L buffers */ + fh->map_mode = ZORAN_MAP_MODE_RAW; + + } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC || + fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) { + + /* we need to calculate size ourselves now */ + if (req->count < 4) + req->count = 4; + if (req->count > jpg_nbufs) + req->count = jpg_nbufs; + fh->jpg_buffers.num_buffers = req->count; + fh->jpg_buffers.buffer_size = + zoran_v4l2_calc_bufsize(&fh->jpg_settings); + + if (jpg_fbuffer_alloc(file)) { + res = -ENOMEM; + goto v4l2reqbuf_unlock_and_return; + } + + /* The next mmap will map the MJPEG buffers */ + if (req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + fh->map_mode = ZORAN_MAP_MODE_JPG_REC; + else + fh->map_mode = ZORAN_MAP_MODE_JPG_PLAY; + + } else { + dprintk(1, + KERN_ERR + "%s: VIDIOC_REQBUFS - unknown type %d\n", + ZR_DEVNAME(zr), req->type); + res = -EINVAL; + goto v4l2reqbuf_unlock_and_return; + } + v4l2reqbuf_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_QUERYBUF: + { + struct v4l2_buffer *buf = arg; + __u32 type = buf->type; + int index = buf->index, res; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOC_QUERYBUF - index=%d, type=%d\n", + ZR_DEVNAME(zr), buf->index, buf->type); + + memset(buf, 0, sizeof(*buf)); + buf->type = type; + buf->index = index; + + mutex_lock(&zr->resource_lock); + res = zoran_v4l2_buffer_status(file, buf, buf->index); + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_QBUF: + { + struct v4l2_buffer *buf = arg; + int res = 0, codec_mode, buf_type; + + dprintk(3, + KERN_DEBUG "%s: VIDIOC_QBUF - type=%d, index=%d\n", + ZR_DEVNAME(zr), buf->type, buf->index); + + mutex_lock(&zr->resource_lock); + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", + ZR_DEVNAME(zr), buf->type, fh->map_mode); + res = -EINVAL; + goto qbuf_unlock_and_return; + } + + res = zoran_v4l_queue_frame(file, buf->index); + if (res) + goto qbuf_unlock_and_return; + if (!zr->v4l_memgrab_active && + fh->v4l_buffers.active == ZORAN_LOCKED) + zr36057_set_memgrab(zr, 1); + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) { + buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + codec_mode = BUZ_MODE_MOTION_DECOMPRESS; + } else { + buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + codec_mode = BUZ_MODE_MOTION_COMPRESS; + } + + if (buf->type != buf_type) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", + ZR_DEVNAME(zr), buf->type, fh->map_mode); + res = -EINVAL; + goto qbuf_unlock_and_return; + } + + res = + zoran_jpg_queue_frame(file, buf->index, + codec_mode); + if (res != 0) + goto qbuf_unlock_and_return; + if (zr->codec_mode == BUZ_MODE_IDLE && + fh->jpg_buffers.active == ZORAN_LOCKED) { + zr36057_enable_jpg(zr, codec_mode); + } + break; + + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_QBUF - unsupported type %d\n", + ZR_DEVNAME(zr), buf->type); + res = -EINVAL; + goto qbuf_unlock_and_return; + } + qbuf_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_DQBUF: + { + struct v4l2_buffer *buf = arg; + int res = 0, buf_type, num = -1; /* compiler borks here (?) */ + + dprintk(3, KERN_DEBUG "%s: VIDIOC_DQBUF - type=%d\n", + ZR_DEVNAME(zr), buf->type); + + mutex_lock(&zr->resource_lock); + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", + ZR_DEVNAME(zr), buf->type, fh->map_mode); + res = -EINVAL; + goto dqbuf_unlock_and_return; + } + + num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME]; + if (file->f_flags & O_NONBLOCK && + zr->v4l_buffers.buffer[num].state != + BUZ_STATE_DONE) { + res = -EAGAIN; + goto dqbuf_unlock_and_return; + } + res = v4l_sync(file, num); + if (res) + goto dqbuf_unlock_and_return; + else + zr->v4l_sync_tail++; + res = zoran_v4l2_buffer_status(file, buf, num); + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + { + struct zoran_sync bs; + + if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) + buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + else + buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + + if (buf->type != buf_type) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n", + ZR_DEVNAME(zr), buf->type, fh->map_mode); + res = -EINVAL; + goto dqbuf_unlock_and_return; + } + + num = + zr->jpg_pend[zr-> + jpg_que_tail & BUZ_MASK_FRAME]; + + if (file->f_flags & O_NONBLOCK && + zr->jpg_buffers.buffer[num].state != + BUZ_STATE_DONE) { + res = -EAGAIN; + goto dqbuf_unlock_and_return; + } + res = jpg_sync(file, &bs); + if (res) + goto dqbuf_unlock_and_return; + res = + zoran_v4l2_buffer_status(file, buf, bs.frame); + break; + } + + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_DQBUF - unsupported type %d\n", + ZR_DEVNAME(zr), buf->type); + res = -EINVAL; + goto dqbuf_unlock_and_return; + } + dqbuf_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_STREAMON: + { + int res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMON\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: /* raw capture */ + if (zr->v4l_buffers.active != ZORAN_ACTIVE || + fh->v4l_buffers.active != ZORAN_ACTIVE) { + res = -EBUSY; + goto strmon_unlock_and_return; + } + + zr->v4l_buffers.active = fh->v4l_buffers.active = + ZORAN_LOCKED; + zr->v4l_settings = fh->v4l_settings; + + zr->v4l_sync_tail = zr->v4l_pend_tail; + if (!zr->v4l_memgrab_active && + zr->v4l_pend_head != zr->v4l_pend_tail) { + zr36057_set_memgrab(zr, 1); + } + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + /* what is the codec mode right now? */ + if (zr->jpg_buffers.active != ZORAN_ACTIVE || + fh->jpg_buffers.active != ZORAN_ACTIVE) { + res = -EBUSY; + goto strmon_unlock_and_return; + } + + zr->jpg_buffers.active = fh->jpg_buffers.active = + ZORAN_LOCKED; + + if (zr->jpg_que_head != zr->jpg_que_tail) { + /* Start the jpeg codec when the first frame is queued */ + jpeg_start(zr); + } + + break; + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_STREAMON - invalid map mode %d\n", + ZR_DEVNAME(zr), fh->map_mode); + res = -EINVAL; + goto strmon_unlock_and_return; + } + strmon_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_STREAMOFF: + { + int i, res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMOFF\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: /* raw capture */ + if (fh->v4l_buffers.active == ZORAN_FREE && + zr->v4l_buffers.active != ZORAN_FREE) { + res = -EPERM; /* stay off other's settings! */ + goto strmoff_unlock_and_return; + } + if (zr->v4l_buffers.active == ZORAN_FREE) + goto strmoff_unlock_and_return; + + /* unload capture */ + if (zr->v4l_memgrab_active) { + unsigned long flags; + + spin_lock_irqsave(&zr->spinlock, flags); + zr36057_set_memgrab(zr, 0); + spin_unlock_irqrestore(&zr->spinlock, flags); + } + + for (i = 0; i < fh->v4l_buffers.num_buffers; i++) + zr->v4l_buffers.buffer[i].state = + BUZ_STATE_USER; + fh->v4l_buffers = zr->v4l_buffers; + + zr->v4l_buffers.active = fh->v4l_buffers.active = + ZORAN_FREE; + + zr->v4l_grab_seq = 0; + zr->v4l_pend_head = zr->v4l_pend_tail = 0; + zr->v4l_sync_tail = 0; + + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + if (fh->jpg_buffers.active == ZORAN_FREE && + zr->jpg_buffers.active != ZORAN_FREE) { + res = -EPERM; /* stay off other's settings! */ + goto strmoff_unlock_and_return; + } + if (zr->jpg_buffers.active == ZORAN_FREE) + goto strmoff_unlock_and_return; + + res = + jpg_qbuf(file, -1, + (fh->map_mode == + ZORAN_MAP_MODE_JPG_REC) ? + BUZ_MODE_MOTION_COMPRESS : + BUZ_MODE_MOTION_DECOMPRESS); + if (res) + goto strmoff_unlock_and_return; + break; + default: + dprintk(1, + KERN_ERR + "%s: VIDIOC_STREAMOFF - invalid map mode %d\n", + ZR_DEVNAME(zr), fh->map_mode); + res = -EINVAL; + goto strmoff_unlock_and_return; + } + strmoff_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_QUERYCTRL - id=%d\n", + ZR_DEVNAME(zr), ctrl->id); + + /* we only support hue/saturation/contrast/brightness */ + if (ctrl->id < V4L2_CID_BRIGHTNESS || + ctrl->id > V4L2_CID_HUE) + return -EINVAL; + else { + int id = ctrl->id; + memset(ctrl, 0, sizeof(*ctrl)); + ctrl->id = id; + } + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)-1); + break; + case V4L2_CID_CONTRAST: + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)-1); + break; + case V4L2_CID_SATURATION: + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)-1); + break; + case V4L2_CID_HUE: + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)-1); + break; + } + + ctrl->minimum = 0; + ctrl->maximum = 65535; + ctrl->step = 1; + ctrl->default_value = 32768; + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + + return 0; + } + break; + + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_CTRL - id=%d\n", + ZR_DEVNAME(zr), ctrl->id); + + /* we only support hue/saturation/contrast/brightness */ + if (ctrl->id < V4L2_CID_BRIGHTNESS || + ctrl->id > V4L2_CID_HUE) + return -EINVAL; + + mutex_lock(&zr->resource_lock); + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = zr->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = zr->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = zr->saturation; + break; + case V4L2_CID_HUE: + ctrl->value = zr->hue; + break; + } + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + struct video_picture pict; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_S_CTRL - id=%d\n", + ZR_DEVNAME(zr), ctrl->id); + + /* we only support hue/saturation/contrast/brightness */ + if (ctrl->id < V4L2_CID_BRIGHTNESS || + ctrl->id > V4L2_CID_HUE) + return -EINVAL; + + if (ctrl->value < 0 || ctrl->value > 65535) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_CTRL - invalid value %d for id=%d\n", + ZR_DEVNAME(zr), ctrl->value, ctrl->id); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + zr->brightness = ctrl->value; + break; + case V4L2_CID_CONTRAST: + zr->contrast = ctrl->value; + break; + case V4L2_CID_SATURATION: + zr->saturation = ctrl->value; + break; + case V4L2_CID_HUE: + zr->hue = ctrl->value; + break; + } + pict.brightness = zr->brightness; + pict.contrast = zr->contrast; + pict.colour = zr->saturation; + pict.hue = zr->hue; + + decoder_command(zr, DECODER_SET_PICTURE, &pict); + + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *std = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMSTD - index=%d\n", + ZR_DEVNAME(zr), std->index); + + if (std->index < 0 || std->index >= (zr->card.norms + 1)) + return -EINVAL; + else { + int id = std->index; + memset(std, 0, sizeof(*std)); + std->index = id; + } + + if (std->index == zr->card.norms) { + /* if we have autodetect, ... */ + struct video_decoder_capability caps; + decoder_command(zr, DECODER_GET_CAPABILITIES, + &caps); + if (caps.flags & VIDEO_DECODER_AUTO) { + std->id = V4L2_STD_ALL; + strncpy(std->name, "Autodetect", sizeof(std->name)-1); + return 0; + } else + return -EINVAL; + } + switch (std->index) { + case 0: + std->id = V4L2_STD_PAL; + strncpy(std->name, "PAL", sizeof(std->name)-1); + std->frameperiod.numerator = 1; + std->frameperiod.denominator = 25; + std->framelines = zr->card.tvn[0]->Ht; + break; + case 1: + std->id = V4L2_STD_NTSC; + strncpy(std->name, "NTSC", sizeof(std->name)-1); + std->frameperiod.numerator = 1001; + std->frameperiod.denominator = 30000; + std->framelines = zr->card.tvn[1]->Ht; + break; + case 2: + std->id = V4L2_STD_SECAM; + strncpy(std->name, "SECAM", sizeof(std->name)-1); + std->frameperiod.numerator = 1; + std->frameperiod.denominator = 25; + std->framelines = zr->card.tvn[2]->Ht; + break; + } + + return 0; + } + break; + + case VIDIOC_G_STD: + { + v4l2_std_id *std = arg; + int norm; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_STD\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + norm = zr->norm; + mutex_unlock(&zr->resource_lock); + + switch (norm) { + case VIDEO_MODE_PAL: + *std = V4L2_STD_PAL; + break; + case VIDEO_MODE_NTSC: + *std = V4L2_STD_NTSC; + break; + case VIDEO_MODE_SECAM: + *std = V4L2_STD_SECAM; + break; + } + + return 0; + } + break; + + case VIDIOC_S_STD: + { + int norm = -1, res = 0; + v4l2_std_id *std = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_S_STD - norm=0x%llx\n", + ZR_DEVNAME(zr), (unsigned long long)*std); + + if ((*std & V4L2_STD_PAL) && !(*std & ~V4L2_STD_PAL)) + norm = VIDEO_MODE_PAL; + else if ((*std & V4L2_STD_NTSC) && !(*std & ~V4L2_STD_NTSC)) + norm = VIDEO_MODE_NTSC; + else if ((*std & V4L2_STD_SECAM) && !(*std & ~V4L2_STD_SECAM)) + norm = VIDEO_MODE_SECAM; + else if (*std == V4L2_STD_ALL) + norm = VIDEO_MODE_AUTO; + else { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_STD - invalid norm 0x%llx\n", + ZR_DEVNAME(zr), (unsigned long long)*std); + return -EINVAL; + } + + mutex_lock(&zr->resource_lock); + if ((res = zoran_set_norm(zr, norm))) + goto sstd_unlock_and_return; + + res = wait_grab_pending(zr); + sstd_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *inp = arg; + int status; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMINPUT - index=%d\n", + ZR_DEVNAME(zr), inp->index); + + if (inp->index < 0 || inp->index >= zr->card.inputs) + return -EINVAL; + else { + int id = inp->index; + memset(inp, 0, sizeof(*inp)); + inp->index = id; + } + + strncpy(inp->name, zr->card.input[inp->index].name, + sizeof(inp->name) - 1); + inp->type = V4L2_INPUT_TYPE_CAMERA; + inp->std = V4L2_STD_ALL; + + /* Get status of video decoder */ + mutex_lock(&zr->resource_lock); + decoder_command(zr, DECODER_GET_STATUS, &status); + mutex_unlock(&zr->resource_lock); + + if (!(status & DECODER_STATUS_GOOD)) { + inp->status |= V4L2_IN_ST_NO_POWER; + inp->status |= V4L2_IN_ST_NO_SIGNAL; + } + if (!(status & DECODER_STATUS_COLOR)) + inp->status |= V4L2_IN_ST_NO_COLOR; + + return 0; + } + break; + + case VIDIOC_G_INPUT: + { + int *input = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_INPUT\n", ZR_DEVNAME(zr)); + + mutex_lock(&zr->resource_lock); + *input = zr->input; + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_S_INPUT: + { + int *input = arg, res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_S_INPUT - input=%d\n", + ZR_DEVNAME(zr), *input); + + mutex_lock(&zr->resource_lock); + if ((res = zoran_set_input(zr, *input))) + goto sinput_unlock_and_return; + + /* Make sure the changes come into effect */ + res = wait_grab_pending(zr); + sinput_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOC_ENUMOUTPUT: + { + struct v4l2_output *outp = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMOUTPUT - index=%d\n", + ZR_DEVNAME(zr), outp->index); + + if (outp->index != 0) + return -EINVAL; + + memset(outp, 0, sizeof(*outp)); + outp->index = 0; + outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY; + strncpy(outp->name, "Autodetect", sizeof(outp->name)-1); + + return 0; + } + break; + + case VIDIOC_G_OUTPUT: + { + int *output = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_OUTPUT\n", ZR_DEVNAME(zr)); + + *output = 0; + + return 0; + } + break; + + case VIDIOC_S_OUTPUT: + { + int *output = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_S_OUTPUT - output=%d\n", + ZR_DEVNAME(zr), *output); + + if (*output != 0) + return -EINVAL; + + return 0; + } + break; + + /* cropping (sub-frame capture) */ + case VIDIOC_CROPCAP: + { + struct v4l2_cropcap *cropcap = arg; + int type = cropcap->type, res = 0; + + dprintk(3, KERN_ERR "%s: VIDIOC_CROPCAP - type=%d\n", + ZR_DEVNAME(zr), cropcap->type); + + memset(cropcap, 0, sizeof(*cropcap)); + cropcap->type = type; + + mutex_lock(&zr->resource_lock); + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && + (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + fh->map_mode == ZORAN_MAP_MODE_RAW)) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_CROPCAP - subcapture only supported for compressed capture\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto cropcap_unlock_and_return; + } + + cropcap->bounds.top = cropcap->bounds.left = 0; + cropcap->bounds.width = BUZ_MAX_WIDTH; + cropcap->bounds.height = BUZ_MAX_HEIGHT; + cropcap->defrect.top = cropcap->defrect.left = 0; + cropcap->defrect.width = BUZ_MIN_WIDTH; + cropcap->defrect.height = BUZ_MIN_HEIGHT; + cropcap_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOC_G_CROP: + { + struct v4l2_crop *crop = arg; + int type = crop->type, res = 0; + + dprintk(3, KERN_ERR "%s: VIDIOC_G_CROP - type=%d\n", + ZR_DEVNAME(zr), crop->type); + + memset(crop, 0, sizeof(*crop)); + crop->type = type; + + mutex_lock(&zr->resource_lock); + + if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && + (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + fh->map_mode == ZORAN_MAP_MODE_RAW)) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto gcrop_unlock_and_return; + } + + crop->c.top = fh->jpg_settings.img_y; + crop->c.left = fh->jpg_settings.img_x; + crop->c.width = fh->jpg_settings.img_width; + crop->c.height = fh->jpg_settings.img_height; + + gcrop_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + } + break; + + case VIDIOC_S_CROP: + { + struct v4l2_crop *crop = arg; + int res = 0; + + settings = fh->jpg_settings; + + dprintk(3, + KERN_ERR + "%s: VIDIOC_S_CROP - type=%d, x=%d,y=%d,w=%d,h=%d\n", + ZR_DEVNAME(zr), crop->type, crop->c.left, crop->c.top, + crop->c.width, crop->c.height); + + mutex_lock(&zr->resource_lock); + + if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_S_CROP - cannot change settings while active\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto scrop_unlock_and_return; + } + + if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && + (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + fh->map_mode == ZORAN_MAP_MODE_RAW)) { + dprintk(1, + KERN_ERR + "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n", + ZR_DEVNAME(zr)); + res = -EINVAL; + goto scrop_unlock_and_return; + } + + /* move into a form that we understand */ + settings.img_x = crop->c.left; + settings.img_y = crop->c.top; + settings.img_width = crop->c.width; + settings.img_height = crop->c.height; + + /* check validity */ + if ((res = zoran_check_jpg_settings(zr, &settings))) + goto scrop_unlock_and_return; + + /* accept */ + fh->jpg_settings = settings; + + scrop_unlock_and_return: + mutex_unlock(&zr->resource_lock); + return res; + } + break; + + case VIDIOC_G_JPEGCOMP: + { + struct v4l2_jpegcompression *params = arg; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_G_JPEGCOMP\n", + ZR_DEVNAME(zr)); + + memset(params, 0, sizeof(*params)); + + mutex_lock(&zr->resource_lock); + + params->quality = fh->jpg_settings.jpg_comp.quality; + params->APPn = fh->jpg_settings.jpg_comp.APPn; + memcpy(params->APP_data, + fh->jpg_settings.jpg_comp.APP_data, + fh->jpg_settings.jpg_comp.APP_len); + params->APP_len = fh->jpg_settings.jpg_comp.APP_len; + memcpy(params->COM_data, + fh->jpg_settings.jpg_comp.COM_data, + fh->jpg_settings.jpg_comp.COM_len); + params->COM_len = fh->jpg_settings.jpg_comp.COM_len; + params->jpeg_markers = + fh->jpg_settings.jpg_comp.jpeg_markers; + + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_S_JPEGCOMP: + { + struct v4l2_jpegcompression *params = arg; + int res = 0; + + settings = fh->jpg_settings; + + dprintk(3, + KERN_DEBUG + "%s: VIDIOC_S_JPEGCOMP - quality=%d, APPN=%d, APP_len=%d, COM_len=%d\n", + ZR_DEVNAME(zr), params->quality, params->APPn, + params->APP_len, params->COM_len); + + settings.jpg_comp = *params; + + mutex_lock(&zr->resource_lock); + + if (fh->v4l_buffers.active != ZORAN_FREE || + fh->jpg_buffers.active != ZORAN_FREE) { + dprintk(1, + KERN_WARNING + "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n", + ZR_DEVNAME(zr)); + res = -EBUSY; + goto sjpegc_unlock_and_return; + } + + if ((res = zoran_check_jpg_settings(zr, &settings))) + goto sjpegc_unlock_and_return; + if (!fh->jpg_buffers.allocated) + fh->jpg_buffers.buffer_size = + zoran_v4l2_calc_bufsize(&fh->jpg_settings); + fh->jpg_settings.jpg_comp = *params = settings.jpg_comp; + sjpegc_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return 0; + } + break; + + case VIDIOC_QUERYSTD: /* why is this useful? */ + { + v4l2_std_id *std = arg; + + dprintk(3, + KERN_DEBUG "%s: VIDIOC_QUERY_STD - std=0x%llx\n", + ZR_DEVNAME(zr), (unsigned long long)*std); + + if (*std == V4L2_STD_ALL || *std == V4L2_STD_NTSC || + *std == V4L2_STD_PAL || (*std == V4L2_STD_SECAM && + zr->card.norms == 3)) { + return 0; + } + + return -EINVAL; + } + break; + + case VIDIOC_TRY_FMT: + { + struct v4l2_format *fmt = arg; + int res = 0; + + dprintk(3, KERN_DEBUG "%s: VIDIOC_TRY_FMT - type=%d\n", + ZR_DEVNAME(zr), fmt->type); + + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + mutex_lock(&zr->resource_lock); + + if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH) + fmt->fmt.win.w.width = BUZ_MAX_WIDTH; + if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH) + fmt->fmt.win.w.width = BUZ_MIN_WIDTH; + if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT) + fmt->fmt.win.w.height = BUZ_MAX_HEIGHT; + if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT) + fmt->fmt.win.w.height = BUZ_MIN_HEIGHT; + + mutex_unlock(&zr->resource_lock); + break; + + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (fmt->fmt.pix.bytesperline > 0) + return -EINVAL; + + mutex_lock(&zr->resource_lock); + + if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) { + settings = fh->jpg_settings; + + /* we actually need to set 'real' parameters now */ + if ((fmt->fmt.pix.height * 2) > + BUZ_MAX_HEIGHT) + settings.TmpDcm = 1; + else + settings.TmpDcm = 2; + settings.decimation = 0; + if (fmt->fmt.pix.height <= + fh->jpg_settings.img_height / 2) + settings.VerDcm = 2; + else + settings.VerDcm = 1; + if (fmt->fmt.pix.width <= + fh->jpg_settings.img_width / 4) + settings.HorDcm = 4; + else if (fmt->fmt.pix.width <= + fh->jpg_settings.img_width / 2) + settings.HorDcm = 2; + else + settings.HorDcm = 1; + if (settings.TmpDcm == 1) + settings.field_per_buff = 2; + else + settings.field_per_buff = 1; + + /* check */ + if ((res = + zoran_check_jpg_settings(zr, + &settings))) + goto tryfmt_unlock_and_return; + + /* tell the user what we actually did */ + fmt->fmt.pix.width = + settings.img_width / settings.HorDcm; + fmt->fmt.pix.height = + settings.img_height * 2 / + (settings.TmpDcm * settings.VerDcm); + if (settings.TmpDcm == 1) + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_SEQ_TB : + V4L2_FIELD_SEQ_BT); + else + fmt->fmt.pix.field = + (fh->jpg_settings. + odd_even ? V4L2_FIELD_TOP : + V4L2_FIELD_BOTTOM); + + fmt->fmt.pix.sizeimage = + zoran_v4l2_calc_bufsize(&settings); + } else if (fmt->type == + V4L2_BUF_TYPE_VIDEO_CAPTURE) { + int i; + + for (i = 0; i < NUM_FORMATS; i++) + if (zoran_formats[i].fourcc == + fmt->fmt.pix.pixelformat) + break; + if (i == NUM_FORMATS) { + res = -EINVAL; + goto tryfmt_unlock_and_return; + } + + if (fmt->fmt.pix.width > BUZ_MAX_WIDTH) + fmt->fmt.pix.width = BUZ_MAX_WIDTH; + if (fmt->fmt.pix.width < BUZ_MIN_WIDTH) + fmt->fmt.pix.width = BUZ_MIN_WIDTH; + if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT) + fmt->fmt.pix.height = + BUZ_MAX_HEIGHT; + if (fmt->fmt.pix.height < BUZ_MIN_HEIGHT) + fmt->fmt.pix.height = + BUZ_MIN_HEIGHT; + } else { + res = -EINVAL; + goto tryfmt_unlock_and_return; + } + tryfmt_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + return res; + break; + + default: + return -EINVAL; + } + + return 0; + } + break; + + default: + dprintk(1, KERN_DEBUG "%s: UNKNOWN ioctl cmd: 0x%x\n", + ZR_DEVNAME(zr), cmd); + return -ENOIOCTLCMD; + break; + + } + return 0; +} + + +static int +zoran_ioctl (struct inode *inode, + struct file *file, + unsigned int cmd, + unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, zoran_do_ioctl); +} + +static unsigned int +zoran_poll (struct file *file, + poll_table *wait) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int res = 0, frame; + unsigned long flags; + + /* we should check whether buffers are ready to be synced on + * (w/o waits - O_NONBLOCK) here + * if ready for read (sync), return POLLIN|POLLRDNORM, + * if ready for write (sync), return POLLOUT|POLLWRNORM, + * if error, return POLLERR, + * if no buffers queued or so, return POLLNVAL + */ + + mutex_lock(&zr->resource_lock); + + switch (fh->map_mode) { + case ZORAN_MAP_MODE_RAW: + poll_wait(file, &zr->v4l_capq, wait); + frame = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME]; + + spin_lock_irqsave(&zr->spinlock, flags); + dprintk(3, + KERN_DEBUG + "%s: %s() raw - active=%c, sync_tail=%lu/%c, pend_tail=%lu, pend_head=%lu\n", + ZR_DEVNAME(zr), __func__, + "FAL"[fh->v4l_buffers.active], zr->v4l_sync_tail, + "UPMD"[zr->v4l_buffers.buffer[frame].state], + zr->v4l_pend_tail, zr->v4l_pend_head); + /* Process is the one capturing? */ + if (fh->v4l_buffers.active != ZORAN_FREE && + /* Buffer ready to DQBUF? */ + zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE) + res = POLLIN | POLLRDNORM; + spin_unlock_irqrestore(&zr->spinlock, flags); + + break; + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + poll_wait(file, &zr->jpg_capq, wait); + frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME]; + + spin_lock_irqsave(&zr->spinlock, flags); + dprintk(3, + KERN_DEBUG + "%s: %s() jpg - active=%c, que_tail=%lu/%c, que_head=%lu, dma=%lu/%lu\n", + ZR_DEVNAME(zr), __func__, + "FAL"[fh->jpg_buffers.active], zr->jpg_que_tail, + "UPMD"[zr->jpg_buffers.buffer[frame].state], + zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head); + if (fh->jpg_buffers.active != ZORAN_FREE && + zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) { + if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) + res = POLLIN | POLLRDNORM; + else + res = POLLOUT | POLLWRNORM; + } + spin_unlock_irqrestore(&zr->spinlock, flags); + + break; + + default: + dprintk(1, + KERN_ERR + "%s: zoran_poll() - internal error, unknown map_mode=%d\n", + ZR_DEVNAME(zr), fh->map_mode); + res = POLLNVAL; + } + + mutex_unlock(&zr->resource_lock); + + return res; +} + + +/* + * This maps the buffers to user space. + * + * Depending on the state of fh->map_mode + * the V4L or the MJPEG buffers are mapped + * per buffer or all together + * + * Note that we need to connect to some + * unmap signal event to unmap the de-allocate + * the buffer accordingly (zoran_vm_close()) + */ + +static void +zoran_vm_open (struct vm_area_struct *vma) +{ + struct zoran_mapping *map = vma->vm_private_data; + + map->count++; +} + +static void +zoran_vm_close (struct vm_area_struct *vma) +{ + struct zoran_mapping *map = vma->vm_private_data; + struct file *file = map->file; + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int i; + + map->count--; + if (map->count == 0) { + switch (fh->map_mode) { + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + + dprintk(3, KERN_INFO "%s: munmap(MJPEG)\n", + ZR_DEVNAME(zr)); + + for (i = 0; i < fh->jpg_buffers.num_buffers; i++) { + if (fh->jpg_buffers.buffer[i].map == map) { + fh->jpg_buffers.buffer[i].map = + NULL; + } + } + kfree(map); + + for (i = 0; i < fh->jpg_buffers.num_buffers; i++) + if (fh->jpg_buffers.buffer[i].map) + break; + if (i == fh->jpg_buffers.num_buffers) { + mutex_lock(&zr->resource_lock); + + if (fh->jpg_buffers.active != ZORAN_FREE) { + jpg_qbuf(file, -1, zr->codec_mode); + zr->jpg_buffers.allocated = 0; + zr->jpg_buffers.active = + fh->jpg_buffers.active = + ZORAN_FREE; + } + //jpg_fbuffer_free(file); + fh->jpg_buffers.allocated = 0; + fh->jpg_buffers.ready_to_be_freed = 1; + + mutex_unlock(&zr->resource_lock); + } + + break; + + case ZORAN_MAP_MODE_RAW: + + dprintk(3, KERN_INFO "%s: munmap(V4L)\n", + ZR_DEVNAME(zr)); + + for (i = 0; i < fh->v4l_buffers.num_buffers; i++) { + if (fh->v4l_buffers.buffer[i].map == map) { + /* unqueue/unmap */ + fh->v4l_buffers.buffer[i].map = + NULL; + } + } + kfree(map); + + for (i = 0; i < fh->v4l_buffers.num_buffers; i++) + if (fh->v4l_buffers.buffer[i].map) + break; + if (i == fh->v4l_buffers.num_buffers) { + mutex_lock(&zr->resource_lock); + + if (fh->v4l_buffers.active != ZORAN_FREE) { + unsigned long flags; + + spin_lock_irqsave(&zr->spinlock, flags); + zr36057_set_memgrab(zr, 0); + zr->v4l_buffers.allocated = 0; + zr->v4l_buffers.active = + fh->v4l_buffers.active = + ZORAN_FREE; + spin_unlock_irqrestore(&zr->spinlock, flags); + } + //v4l_fbuffer_free(file); + fh->v4l_buffers.allocated = 0; + fh->v4l_buffers.ready_to_be_freed = 1; + + mutex_unlock(&zr->resource_lock); + } + + break; + + default: + printk(KERN_ERR + "%s: munmap() - internal error - unknown map mode %d\n", + ZR_DEVNAME(zr), fh->map_mode); + break; + + } + } +} + +static struct vm_operations_struct zoran_vm_ops = { + .open = zoran_vm_open, + .close = zoran_vm_close, +}; + +static int +zoran_mmap (struct file *file, + struct vm_area_struct *vma) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + unsigned long size = (vma->vm_end - vma->vm_start); + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + int i, j; + unsigned long page, start = vma->vm_start, todo, pos, fraglen; + int first, last; + struct zoran_mapping *map; + int res = 0; + + dprintk(3, + KERN_INFO "%s: mmap(%s) of 0x%08lx-0x%08lx (size=%lu)\n", + ZR_DEVNAME(zr), + fh->map_mode == ZORAN_MAP_MODE_RAW ? "V4L" : "MJPEG", + vma->vm_start, vma->vm_end, size); + + if (!(vma->vm_flags & VM_SHARED) || !(vma->vm_flags & VM_READ) || + !(vma->vm_flags & VM_WRITE)) { + dprintk(1, + KERN_ERR + "%s: mmap() - no MAP_SHARED/PROT_{READ,WRITE} given\n", + ZR_DEVNAME(zr)); + return -EINVAL; + } + + switch (fh->map_mode) { + + case ZORAN_MAP_MODE_JPG_REC: + case ZORAN_MAP_MODE_JPG_PLAY: + + /* lock */ + mutex_lock(&zr->resource_lock); + + /* Map the MJPEG buffers */ + if (!fh->jpg_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: zoran_mmap(MJPEG) - buffers not yet allocated\n", + ZR_DEVNAME(zr)); + res = -ENOMEM; + goto jpg_mmap_unlock_and_return; + } + + first = offset / fh->jpg_buffers.buffer_size; + last = first - 1 + size / fh->jpg_buffers.buffer_size; + if (offset % fh->jpg_buffers.buffer_size != 0 || + size % fh->jpg_buffers.buffer_size != 0 || first < 0 || + last < 0 || first >= fh->jpg_buffers.num_buffers || + last >= fh->jpg_buffers.num_buffers) { + dprintk(1, + KERN_ERR + "%s: mmap(MJPEG) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n", + ZR_DEVNAME(zr), offset, size, + fh->jpg_buffers.buffer_size, + fh->jpg_buffers.num_buffers); + res = -EINVAL; + goto jpg_mmap_unlock_and_return; + } + for (i = first; i <= last; i++) { + if (fh->jpg_buffers.buffer[i].map) { + dprintk(1, + KERN_ERR + "%s: mmap(MJPEG) - buffer %d already mapped\n", + ZR_DEVNAME(zr), i); + res = -EBUSY; + goto jpg_mmap_unlock_and_return; + } + } + + /* map these buffers (v4l_buffers[i]) */ + map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL); + if (!map) { + res = -ENOMEM; + goto jpg_mmap_unlock_and_return; + } + map->file = file; + map->count = 1; + + vma->vm_ops = &zoran_vm_ops; + vma->vm_flags |= VM_DONTEXPAND; + vma->vm_private_data = map; + + for (i = first; i <= last; i++) { + for (j = 0; + j < fh->jpg_buffers.buffer_size / PAGE_SIZE; + j++) { + fraglen = + (le32_to_cpu(fh->jpg_buffers.buffer[i]. + frag_tab[2 * j + 1]) & ~1) << 1; + todo = size; + if (todo > fraglen) + todo = fraglen; + pos = + le32_to_cpu(fh->jpg_buffers. + buffer[i].frag_tab[2 * j]); + /* should just be pos on i386 */ + page = virt_to_phys(bus_to_virt(pos)) + >> PAGE_SHIFT; + if (remap_pfn_range(vma, start, page, + todo, PAGE_SHARED)) { + dprintk(1, + KERN_ERR + "%s: zoran_mmap(V4L) - remap_pfn_range failed\n", + ZR_DEVNAME(zr)); + res = -EAGAIN; + goto jpg_mmap_unlock_and_return; + } + size -= todo; + start += todo; + if (size == 0) + break; + if (le32_to_cpu(fh->jpg_buffers.buffer[i]. + frag_tab[2 * j + 1]) & 1) + break; /* was last fragment */ + } + fh->jpg_buffers.buffer[i].map = map; + if (size == 0) + break; + + } + jpg_mmap_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + break; + + case ZORAN_MAP_MODE_RAW: + + mutex_lock(&zr->resource_lock); + + /* Map the V4L buffers */ + if (!fh->v4l_buffers.allocated) { + dprintk(1, + KERN_ERR + "%s: zoran_mmap(V4L) - buffers not yet allocated\n", + ZR_DEVNAME(zr)); + res = -ENOMEM; + goto v4l_mmap_unlock_and_return; + } + + first = offset / fh->v4l_buffers.buffer_size; + last = first - 1 + size / fh->v4l_buffers.buffer_size; + if (offset % fh->v4l_buffers.buffer_size != 0 || + size % fh->v4l_buffers.buffer_size != 0 || first < 0 || + last < 0 || first >= fh->v4l_buffers.num_buffers || + last >= fh->v4l_buffers.buffer_size) { + dprintk(1, + KERN_ERR + "%s: mmap(V4L) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n", + ZR_DEVNAME(zr), offset, size, + fh->v4l_buffers.buffer_size, + fh->v4l_buffers.num_buffers); + res = -EINVAL; + goto v4l_mmap_unlock_and_return; + } + for (i = first; i <= last; i++) { + if (fh->v4l_buffers.buffer[i].map) { + dprintk(1, + KERN_ERR + "%s: mmap(V4L) - buffer %d already mapped\n", + ZR_DEVNAME(zr), i); + res = -EBUSY; + goto v4l_mmap_unlock_and_return; + } + } + + /* map these buffers (v4l_buffers[i]) */ + map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL); + if (!map) { + res = -ENOMEM; + goto v4l_mmap_unlock_and_return; + } + map->file = file; + map->count = 1; + + vma->vm_ops = &zoran_vm_ops; + vma->vm_flags |= VM_DONTEXPAND; + vma->vm_private_data = map; + + for (i = first; i <= last; i++) { + todo = size; + if (todo > fh->v4l_buffers.buffer_size) + todo = fh->v4l_buffers.buffer_size; + page = fh->v4l_buffers.buffer[i].fbuffer_phys; + if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, + todo, PAGE_SHARED)) { + dprintk(1, + KERN_ERR + "%s: zoran_mmap(V4L)i - remap_pfn_range failed\n", + ZR_DEVNAME(zr)); + res = -EAGAIN; + goto v4l_mmap_unlock_and_return; + } + size -= todo; + start += todo; + fh->v4l_buffers.buffer[i].map = map; + if (size == 0) + break; + } + v4l_mmap_unlock_and_return: + mutex_unlock(&zr->resource_lock); + + break; + + default: + dprintk(1, + KERN_ERR + "%s: zoran_mmap() - internal error - unknown map mode %d\n", + ZR_DEVNAME(zr), fh->map_mode); + break; + } + + return 0; +} + +static const struct file_operations zoran_fops = { + .owner = THIS_MODULE, + .open = zoran_open, + .release = zoran_close, + .ioctl = zoran_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = v4l_compat_ioctl32, +#endif + .llseek = no_llseek, + .read = zoran_read, + .write = zoran_write, + .mmap = zoran_mmap, + .poll = zoran_poll, +}; + +struct video_device zoran_template __devinitdata = { + .name = ZORAN_NAME, + .fops = &zoran_fops, + .release = &zoran_vdev_release, + .minor = -1 +}; + diff --git a/drivers/media/video/zoran/zoran_procfs.c b/drivers/media/video/zoran/zoran_procfs.c new file mode 100644 index 00000000000..870bc5a70e3 --- /dev/null +++ b/drivers/media/video/zoran/zoran_procfs.c @@ -0,0 +1,225 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles the procFS entries (/proc/ZORAN[%d]) + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/vmalloc.h> + +#include <linux/proc_fs.h> +#include <linux/pci.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/videodev.h> +#include <linux/spinlock.h> +#include <linux/sem.h> +#include <linux/seq_file.h> + +#include <linux/ctype.h> +#include <linux/poll.h> +#include <asm/io.h> + +#include "videocodec.h" +#include "zoran.h" +#include "zoran_procfs.h" +#include "zoran_card.h" + +#ifdef CONFIG_PROC_FS +struct procfs_params_zr36067 { + char *name; + short reg; + u32 mask; + short bit; +}; + +static const struct procfs_params_zr36067 zr67[] = { + {"HSPol", 0x000, 1, 30}, + {"HStart", 0x000, 0x3ff, 10}, + {"HEnd", 0x000, 0x3ff, 0}, + + {"VSPol", 0x004, 1, 30}, + {"VStart", 0x004, 0x3ff, 10}, + {"VEnd", 0x004, 0x3ff, 0}, + + {"ExtFl", 0x008, 1, 26}, + {"TopField", 0x008, 1, 25}, + {"VCLKPol", 0x008, 1, 24}, + {"DupFld", 0x008, 1, 20}, + {"LittleEndian", 0x008, 1, 0}, + + {"HsyncStart", 0x10c, 0xffff, 16}, + {"LineTot", 0x10c, 0xffff, 0}, + + {"NAX", 0x110, 0xffff, 16}, + {"PAX", 0x110, 0xffff, 0}, + + {"NAY", 0x114, 0xffff, 16}, + {"PAY", 0x114, 0xffff, 0}, + + /* {"",,,}, */ + + {NULL, 0, 0, 0}, +}; + +static void +setparam (struct zoran *zr, + char *name, + char *sval) +{ + int i = 0, reg0, reg, val; + + while (zr67[i].name != NULL) { + if (!strncmp(name, zr67[i].name, strlen(zr67[i].name))) { + reg = reg0 = btread(zr67[i].reg); + reg &= ~(zr67[i].mask << zr67[i].bit); + if (!isdigit(sval[0])) + break; + val = simple_strtoul(sval, NULL, 0); + if ((val & ~zr67[i].mask)) + break; + reg |= (val & zr67[i].mask) << zr67[i].bit; + dprintk(4, + KERN_INFO + "%s: setparam: setting ZR36067 register 0x%03x: 0x%08x=>0x%08x %s=%d\n", + ZR_DEVNAME(zr), zr67[i].reg, reg0, reg, + zr67[i].name, val); + btwrite(reg, zr67[i].reg); + break; + } + i++; + } +} + +static int zoran_show(struct seq_file *p, void *v) +{ + struct zoran *zr = p->private; + int i; + + seq_printf(p, "ZR36067 registers:\n"); + for (i = 0; i < 0x130; i += 16) + seq_printf(p, "%03X %08X %08X %08X %08X \n", i, + btread(i), btread(i+4), btread(i+8), btread(i+12)); + return 0; +} + +static int zoran_open(struct inode *inode, struct file *file) +{ + struct zoran *data = PDE(inode)->data; + return single_open(file, zoran_show, data); +} + +static ssize_t zoran_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct zoran *zr = PDE(file->f_path.dentry->d_inode)->data; + char *string, *sp; + char *line, *ldelim, *varname, *svar, *tdelim; + + if (count > 32768) /* Stupidity filter */ + return -EINVAL; + + string = sp = vmalloc(count + 1); + if (!string) { + dprintk(1, + KERN_ERR + "%s: write_proc: can not allocate memory\n", + ZR_DEVNAME(zr)); + return -ENOMEM; + } + if (copy_from_user(string, buffer, count)) { + vfree (string); + return -EFAULT; + } + string[count] = 0; + dprintk(4, KERN_INFO "%s: write_proc: name=%s count=%zu zr=%p\n", + ZR_DEVNAME(zr), file->f_path.dentry->d_name.name, count, zr); + ldelim = " \t\n"; + tdelim = "="; + line = strpbrk(sp, ldelim); + while (line) { + *line = 0; + svar = strpbrk(sp, tdelim); + if (svar) { + *svar = 0; + varname = sp; + svar++; + setparam(zr, varname, svar); + } + sp = line + 1; + line = strpbrk(sp, ldelim); + } + vfree(string); + + return count; +} + +static const struct file_operations zoran_operations = { + .owner = THIS_MODULE, + .open = zoran_open, + .read = seq_read, + .write = zoran_write, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + +int +zoran_proc_init (struct zoran *zr) +{ +#ifdef CONFIG_PROC_FS + char name[8]; + + snprintf(name, 7, "zoran%d", zr->id); + zr->zoran_proc = proc_create_data(name, 0, NULL, &zoran_operations, zr); + if (zr->zoran_proc != NULL) { + dprintk(2, + KERN_INFO + "%s: procfs entry /proc/%s allocated. data=%p\n", + ZR_DEVNAME(zr), name, zr->zoran_proc->data); + } else { + dprintk(1, KERN_ERR "%s: Unable to initialise /proc/%s\n", + ZR_DEVNAME(zr), name); + return 1; + } +#endif + return 0; +} + +void +zoran_proc_cleanup (struct zoran *zr) +{ +#ifdef CONFIG_PROC_FS + char name[8]; + + snprintf(name, 7, "zoran%d", zr->id); + if (zr->zoran_proc) + remove_proc_entry(name, NULL); + zr->zoran_proc = NULL; +#endif +} diff --git a/drivers/media/video/zoran/zoran_procfs.h b/drivers/media/video/zoran/zoran_procfs.h new file mode 100644 index 00000000000..f2d5b1ba448 --- /dev/null +++ b/drivers/media/video/zoran/zoran_procfs.h @@ -0,0 +1,36 @@ +/* + * Zoran zr36057/zr36067 PCI controller driver, for the + * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux + * Media Labs LML33/LML33R10. + * + * This part handles card-specific data and detection + * + * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ZORAN_PROCFS_H__ +#define __ZORAN_PROCFS_H__ + +extern int zoran_proc_init(struct zoran *zr); +extern void zoran_proc_cleanup(struct zoran *zr); + +#endif /* __ZORAN_PROCFS_H__ */ diff --git a/drivers/media/video/zoran/zr36016.c b/drivers/media/video/zoran/zr36016.c new file mode 100644 index 00000000000..00d132bcd1e --- /dev/null +++ b/drivers/media/video/zoran/zr36016.c @@ -0,0 +1,529 @@ +/* + * Zoran ZR36016 basic configuration functions + * + * Copyright (C) 2001 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: zr36016.c,v 1.1.2.14 2003/08/20 19:46:55 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#define ZR016_VERSION "v0.7" + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/delay.h> + +#include <linux/types.h> +#include <linux/wait.h> + +/* includes for structures and defines regarding video + #include<linux/videodev.h> */ + +/* I/O commands, error codes */ +#include <asm/io.h> +//#include<errno.h> + +/* v4l API */ +#include <linux/videodev.h> + +/* headerfile of this module */ +#include"zr36016.h" + +/* codec io API */ +#include"videocodec.h" + +/* it doesn't make sense to have more than 20 or so, + just to prevent some unwanted loops */ +#define MAX_CODECS 20 + +/* amount of chips attached via this driver */ +static int zr36016_codecs; + +/* debugging is available via module parameter */ +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-4)"); + +#define dprintk(num, format, args...) \ + do { \ + if (debug >= num) \ + printk(format, ##args); \ + } while (0) + +/* ========================================================================= + Local hardware I/O functions: + + read/write via codec layer (registers are located in the master device) + ========================================================================= */ + +/* read and write functions */ +static u8 +zr36016_read (struct zr36016 *ptr, + u16 reg) +{ + u8 value = 0; + + // just in case something is wrong... + if (ptr->codec->master_data->readreg) + value = + (ptr->codec->master_data-> + readreg(ptr->codec, reg)) & 0xFF; + else + dprintk(1, + KERN_ERR "%s: invalid I/O setup, nothing read!\n", + ptr->name); + + dprintk(4, "%s: reading from 0x%04x: %02x\n", ptr->name, reg, + value); + + return value; +} + +static void +zr36016_write (struct zr36016 *ptr, + u16 reg, + u8 value) +{ + dprintk(4, "%s: writing 0x%02x to 0x%04x\n", ptr->name, value, + reg); + + // just in case something is wrong... + if (ptr->codec->master_data->writereg) { + ptr->codec->master_data->writereg(ptr->codec, reg, value); + } else + dprintk(1, + KERN_ERR + "%s: invalid I/O setup, nothing written!\n", + ptr->name); +} + +/* indirect read and write functions */ +/* the 016 supports auto-addr-increment, but + * writing it all time cost not much and is safer... */ +static u8 +zr36016_readi (struct zr36016 *ptr, + u16 reg) +{ + u8 value = 0; + + // just in case something is wrong... + if ((ptr->codec->master_data->writereg) && + (ptr->codec->master_data->readreg)) { + ptr->codec->master_data->writereg(ptr->codec, ZR016_IADDR, reg & 0x0F); // ADDR + value = (ptr->codec->master_data->readreg(ptr->codec, ZR016_IDATA)) & 0xFF; // DATA + } else + dprintk(1, + KERN_ERR + "%s: invalid I/O setup, nothing read (i)!\n", + ptr->name); + + dprintk(4, "%s: reading indirect from 0x%04x: %02x\n", ptr->name, + reg, value); + return value; +} + +static void +zr36016_writei (struct zr36016 *ptr, + u16 reg, + u8 value) +{ + dprintk(4, "%s: writing indirect 0x%02x to 0x%04x\n", ptr->name, + value, reg); + + // just in case something is wrong... + if (ptr->codec->master_data->writereg) { + ptr->codec->master_data->writereg(ptr->codec, ZR016_IADDR, reg & 0x0F); // ADDR + ptr->codec->master_data->writereg(ptr->codec, ZR016_IDATA, value & 0x0FF); // DATA + } else + dprintk(1, + KERN_ERR + "%s: invalid I/O setup, nothing written (i)!\n", + ptr->name); +} + +/* ========================================================================= + Local helper function: + + version read + ========================================================================= */ + +/* version kept in datastructure */ +static u8 +zr36016_read_version (struct zr36016 *ptr) +{ + ptr->version = zr36016_read(ptr, 0) >> 4; + return ptr->version; +} + +/* ========================================================================= + Local helper function: + + basic test of "connectivity", writes/reads to/from PAX-Lo register + ========================================================================= */ + +static int +zr36016_basic_test (struct zr36016 *ptr) +{ + if (debug) { + int i; + zr36016_writei(ptr, ZR016I_PAX_LO, 0x55); + dprintk(1, KERN_INFO "%s: registers: ", ptr->name); + for (i = 0; i <= 0x0b; i++) + dprintk(1, "%02x ", zr36016_readi(ptr, i)); + dprintk(1, "\n"); + } + // for testing just write 0, then the default value to a register and read + // it back in both cases + zr36016_writei(ptr, ZR016I_PAX_LO, 0x00); + if (zr36016_readi(ptr, ZR016I_PAX_LO) != 0x0) { + dprintk(1, + KERN_ERR + "%s: attach failed, can't connect to vfe processor!\n", + ptr->name); + return -ENXIO; + } + zr36016_writei(ptr, ZR016I_PAX_LO, 0x0d0); + if (zr36016_readi(ptr, ZR016I_PAX_LO) != 0x0d0) { + dprintk(1, + KERN_ERR + "%s: attach failed, can't connect to vfe processor!\n", + ptr->name); + return -ENXIO; + } + // we allow version numbers from 0-3, should be enough, though + zr36016_read_version(ptr); + if (ptr->version & 0x0c) { + dprintk(1, + KERN_ERR + "%s: attach failed, suspicious version %d found...\n", + ptr->name, ptr->version); + return -ENXIO; + } + + return 0; /* looks good! */ +} + +/* ========================================================================= + Local helper function: + + simple loop for pushing the init datasets - NO USE -- + ========================================================================= */ + +#if 0 +static int zr36016_pushit (struct zr36016 *ptr, + u16 startreg, + u16 len, + const char *data) +{ + int i=0; + + dprintk(4, "%s: write data block to 0x%04x (len=%d)\n", + ptr->name, startreg,len); + while (i<len) { + zr36016_writei(ptr, startreg++, data[i++]); + } + + return i; +} +#endif + +/* ========================================================================= + Basic datasets & init: + + //TODO// + ========================================================================= */ + +// needed offset values PAL NTSC SECAM +static const int zr016_xoff[] = { 20, 20, 20 }; +static const int zr016_yoff[] = { 8, 9, 7 }; + +static void +zr36016_init (struct zr36016 *ptr) +{ + // stop any processing + zr36016_write(ptr, ZR016_GOSTOP, 0); + + // mode setup (yuv422 in and out, compression/expansuon due to mode) + zr36016_write(ptr, ZR016_MODE, + ZR016_YUV422 | ZR016_YUV422_YUV422 | + (ptr->mode == CODEC_DO_COMPRESSION ? + ZR016_COMPRESSION : ZR016_EXPANSION)); + + // misc setup + zr36016_writei(ptr, ZR016I_SETUP1, + (ptr->xdec ? (ZR016_HRFL | ZR016_HORZ) : 0) | + (ptr->ydec ? ZR016_VERT : 0) | ZR016_CNTI); + zr36016_writei(ptr, ZR016I_SETUP2, ZR016_CCIR); + + // Window setup + // (no extra offset for now, norm defines offset, default width height) + zr36016_writei(ptr, ZR016I_PAX_HI, ptr->width >> 8); + zr36016_writei(ptr, ZR016I_PAX_LO, ptr->width & 0xFF); + zr36016_writei(ptr, ZR016I_PAY_HI, ptr->height >> 8); + zr36016_writei(ptr, ZR016I_PAY_LO, ptr->height & 0xFF); + zr36016_writei(ptr, ZR016I_NAX_HI, ptr->xoff >> 8); + zr36016_writei(ptr, ZR016I_NAX_LO, ptr->xoff & 0xFF); + zr36016_writei(ptr, ZR016I_NAY_HI, ptr->yoff >> 8); + zr36016_writei(ptr, ZR016I_NAY_LO, ptr->yoff & 0xFF); + + /* shall we continue now, please? */ + zr36016_write(ptr, ZR016_GOSTOP, 1); +} + +/* ========================================================================= + CODEC API FUNCTIONS + + this functions are accessed by the master via the API structure + ========================================================================= */ + +/* set compression/expansion mode and launches codec - + this should be the last call from the master before starting processing */ +static int +zr36016_set_mode (struct videocodec *codec, + int mode) +{ + struct zr36016 *ptr = (struct zr36016 *) codec->data; + + dprintk(2, "%s: set_mode %d call\n", ptr->name, mode); + + if ((mode != CODEC_DO_EXPANSION) && (mode != CODEC_DO_COMPRESSION)) + return -EINVAL; + + ptr->mode = mode; + zr36016_init(ptr); + + return 0; +} + +/* set picture size */ +static int +zr36016_set_video (struct videocodec *codec, + struct tvnorm *norm, + struct vfe_settings *cap, + struct vfe_polarity *pol) +{ + struct zr36016 *ptr = (struct zr36016 *) codec->data; + + dprintk(2, "%s: set_video %d.%d, %d/%d-%dx%d (0x%x) call\n", + ptr->name, norm->HStart, norm->VStart, + cap->x, cap->y, cap->width, cap->height, + cap->decimation); + + /* if () return -EINVAL; + * trust the master driver that it knows what it does - so + * we allow invalid startx/y for now ... */ + ptr->width = cap->width; + ptr->height = cap->height; + /* (Ronald) This is ugly. zoran_device.c, line 387 + * already mentions what happens if HStart is even + * (blue faces, etc., cr/cb inversed). There's probably + * some good reason why HStart is 0 instead of 1, so I'm + * leaving it to this for now, but really... This can be + * done a lot simpler */ + ptr->xoff = (norm->HStart ? norm->HStart : 1) + cap->x; + /* Something to note here (I don't understand it), setting + * VStart too high will cause the codec to 'not work'. I + * really don't get it. values of 16 (VStart) already break + * it here. Just '0' seems to work. More testing needed! */ + ptr->yoff = norm->VStart + cap->y; + /* (Ronald) dzjeeh, can't this thing do hor_decimation = 4? */ + ptr->xdec = ((cap->decimation & 0xff) == 1) ? 0 : 1; + ptr->ydec = (((cap->decimation >> 8) & 0xff) == 1) ? 0 : 1; + + return 0; +} + +/* additional control functions */ +static int +zr36016_control (struct videocodec *codec, + int type, + int size, + void *data) +{ + struct zr36016 *ptr = (struct zr36016 *) codec->data; + int *ival = (int *) data; + + dprintk(2, "%s: control %d call with %d byte\n", ptr->name, type, + size); + + switch (type) { + case CODEC_G_STATUS: /* get last status - we don't know it ... */ + if (size != sizeof(int)) + return -EFAULT; + *ival = 0; + break; + + case CODEC_G_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + *ival = 0; + break; + + case CODEC_S_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + if (*ival != 0) + return -EINVAL; + /* not needed, do nothing */ + return 0; + + case CODEC_G_VFE: + case CODEC_S_VFE: + return 0; + + case CODEC_S_MMAP: + /* not available, give an error */ + return -ENXIO; + + default: + return -EINVAL; + } + + return size; +} + +/* ========================================================================= + Exit and unregister function: + + Deinitializes Zoran's JPEG processor + ========================================================================= */ + +static int +zr36016_unset (struct videocodec *codec) +{ + struct zr36016 *ptr = codec->data; + + if (ptr) { + /* do wee need some codec deinit here, too ???? */ + + dprintk(1, "%s: finished codec #%d\n", ptr->name, + ptr->num); + kfree(ptr); + codec->data = NULL; + + zr36016_codecs--; + return 0; + } + + return -EFAULT; +} + +/* ========================================================================= + Setup and registry function: + + Initializes Zoran's JPEG processor + + Also sets pixel size, average code size, mode (compr./decompr.) + (the given size is determined by the processor with the video interface) + ========================================================================= */ + +static int +zr36016_setup (struct videocodec *codec) +{ + struct zr36016 *ptr; + int res; + + dprintk(2, "zr36016: initializing VFE subsystem #%d.\n", + zr36016_codecs); + + if (zr36016_codecs == MAX_CODECS) { + dprintk(1, + KERN_ERR "zr36016: Can't attach more codecs!\n"); + return -ENOSPC; + } + //mem structure init + codec->data = ptr = kzalloc(sizeof(struct zr36016), GFP_KERNEL); + if (NULL == ptr) { + dprintk(1, KERN_ERR "zr36016: Can't get enough memory!\n"); + return -ENOMEM; + } + + snprintf(ptr->name, sizeof(ptr->name), "zr36016[%d]", + zr36016_codecs); + ptr->num = zr36016_codecs++; + ptr->codec = codec; + + //testing + res = zr36016_basic_test(ptr); + if (res < 0) { + zr36016_unset(codec); + return res; + } + //final setup + ptr->mode = CODEC_DO_COMPRESSION; + ptr->width = 768; + ptr->height = 288; + ptr->xdec = 1; + ptr->ydec = 0; + zr36016_init(ptr); + + dprintk(1, KERN_INFO "%s: codec v%d attached and running\n", + ptr->name, ptr->version); + + return 0; +} + +static const struct videocodec zr36016_codec = { + .owner = THIS_MODULE, + .name = "zr36016", + .magic = 0L, // magic not used + .flags = + CODEC_FLAG_HARDWARE | CODEC_FLAG_VFE | CODEC_FLAG_ENCODER | + CODEC_FLAG_DECODER, + .type = CODEC_TYPE_ZR36016, + .setup = zr36016_setup, // functionality + .unset = zr36016_unset, + .set_mode = zr36016_set_mode, + .set_video = zr36016_set_video, + .control = zr36016_control, + // others are not used +}; + +/* ========================================================================= + HOOK IN DRIVER AS KERNEL MODULE + ========================================================================= */ + +static int __init +zr36016_init_module (void) +{ + //dprintk(1, "ZR36016 driver %s\n",ZR016_VERSION); + zr36016_codecs = 0; + return videocodec_register(&zr36016_codec); +} + +static void __exit +zr36016_cleanup_module (void) +{ + if (zr36016_codecs) { + dprintk(1, + "zr36016: something's wrong - %d codecs left somehow.\n", + zr36016_codecs); + } + videocodec_unregister(&zr36016_codec); +} + +module_init(zr36016_init_module); +module_exit(zr36016_cleanup_module); + +MODULE_AUTHOR("Wolfgang Scherr <scherr@net4you.at>"); +MODULE_DESCRIPTION("Driver module for ZR36016 video frontends " + ZR016_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/zoran/zr36016.h b/drivers/media/video/zoran/zr36016.h new file mode 100644 index 00000000000..8c79229f69d --- /dev/null +++ b/drivers/media/video/zoran/zr36016.h @@ -0,0 +1,111 @@ +/* + * Zoran ZR36016 basic configuration functions - header file + * + * Copyright (C) 2001 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: zr36016.h,v 1.1.2.3 2003/01/14 21:18:07 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#ifndef ZR36016_H +#define ZR36016_H + +/* data stored for each zoran jpeg codec chip */ +struct zr36016 { + char name[32]; + int num; + /* io datastructure */ + struct videocodec *codec; + // coder status + __u8 version; + // actual coder setup + int mode; + + __u16 xoff; + __u16 yoff; + __u16 width; + __u16 height; + __u16 xdec; + __u16 ydec; +}; + +/* direct register addresses */ +#define ZR016_GOSTOP 0x00 +#define ZR016_MODE 0x01 +#define ZR016_IADDR 0x02 +#define ZR016_IDATA 0x03 + +/* indirect register addresses */ +#define ZR016I_SETUP1 0x00 +#define ZR016I_SETUP2 0x01 +#define ZR016I_NAX_LO 0x02 +#define ZR016I_NAX_HI 0x03 +#define ZR016I_PAX_LO 0x04 +#define ZR016I_PAX_HI 0x05 +#define ZR016I_NAY_LO 0x06 +#define ZR016I_NAY_HI 0x07 +#define ZR016I_PAY_LO 0x08 +#define ZR016I_PAY_HI 0x09 +#define ZR016I_NOL_LO 0x0a +#define ZR016I_NOL_HI 0x0b + +/* possible values for mode register */ +#define ZR016_RGB444_YUV444 0x00 +#define ZR016_RGB444_YUV422 0x01 +#define ZR016_RGB444_YUV411 0x02 +#define ZR016_RGB444_Y400 0x03 +#define ZR016_RGB444_RGB444 0x04 +#define ZR016_YUV444_YUV444 0x08 +#define ZR016_YUV444_YUV422 0x09 +#define ZR016_YUV444_YUV411 0x0a +#define ZR016_YUV444_Y400 0x0b +#define ZR016_YUV444_RGB444 0x0c +#define ZR016_YUV422_YUV422 0x11 +#define ZR016_YUV422_YUV411 0x12 +#define ZR016_YUV422_Y400 0x13 +#define ZR016_YUV411_YUV411 0x16 +#define ZR016_YUV411_Y400 0x17 +#define ZR016_4444_4444 0x19 +#define ZR016_100_100 0x1b + +#define ZR016_RGB444 0x00 +#define ZR016_YUV444 0x20 +#define ZR016_YUV422 0x40 + +#define ZR016_COMPRESSION 0x80 +#define ZR016_EXPANSION 0x80 + +/* possible values for setup 1 register */ +#define ZR016_CKRT 0x80 +#define ZR016_VERT 0x40 +#define ZR016_HORZ 0x20 +#define ZR016_HRFL 0x10 +#define ZR016_DSFL 0x08 +#define ZR016_SBFL 0x04 +#define ZR016_RSTR 0x02 +#define ZR016_CNTI 0x01 + +/* possible values for setup 2 register */ +#define ZR016_SYEN 0x40 +#define ZR016_CCIR 0x04 +#define ZR016_SIGN 0x02 +#define ZR016_YMCS 0x01 + +#endif /*fndef ZR36016_H */ diff --git a/drivers/media/video/zoran/zr36050.c b/drivers/media/video/zoran/zr36050.c new file mode 100644 index 00000000000..cf8b271a1c8 --- /dev/null +++ b/drivers/media/video/zoran/zr36050.c @@ -0,0 +1,904 @@ +/* + * Zoran ZR36050 basic configuration functions + * + * Copyright (C) 2001 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: zr36050.c,v 1.1.2.11 2003/08/03 14:54:53 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#define ZR050_VERSION "v0.7.1" + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/delay.h> + +#include <linux/types.h> +#include <linux/wait.h> + +/* includes for structures and defines regarding video + #include<linux/videodev.h> */ + +/* I/O commands, error codes */ +#include <asm/io.h> +//#include<errno.h> + +/* headerfile of this module */ +#include "zr36050.h" + +/* codec io API */ +#include "videocodec.h" + +/* it doesn't make sense to have more than 20 or so, + just to prevent some unwanted loops */ +#define MAX_CODECS 20 + +/* amount of chips attached via this driver */ +static int zr36050_codecs; + +/* debugging is available via module parameter */ +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-4)"); + +#define dprintk(num, format, args...) \ + do { \ + if (debug >= num) \ + printk(format, ##args); \ + } while (0) + +/* ========================================================================= + Local hardware I/O functions: + + read/write via codec layer (registers are located in the master device) + ========================================================================= */ + +/* read and write functions */ +static u8 +zr36050_read (struct zr36050 *ptr, + u16 reg) +{ + u8 value = 0; + + // just in case something is wrong... + if (ptr->codec->master_data->readreg) + value = (ptr->codec->master_data->readreg(ptr->codec, + reg)) & 0xFF; + else + dprintk(1, + KERN_ERR "%s: invalid I/O setup, nothing read!\n", + ptr->name); + + dprintk(4, "%s: reading from 0x%04x: %02x\n", ptr->name, reg, + value); + + return value; +} + +static void +zr36050_write (struct zr36050 *ptr, + u16 reg, + u8 value) +{ + dprintk(4, "%s: writing 0x%02x to 0x%04x\n", ptr->name, value, + reg); + + // just in case something is wrong... + if (ptr->codec->master_data->writereg) + ptr->codec->master_data->writereg(ptr->codec, reg, value); + else + dprintk(1, + KERN_ERR + "%s: invalid I/O setup, nothing written!\n", + ptr->name); +} + +/* ========================================================================= + Local helper function: + + status read + ========================================================================= */ + +/* status is kept in datastructure */ +static u8 +zr36050_read_status1 (struct zr36050 *ptr) +{ + ptr->status1 = zr36050_read(ptr, ZR050_STATUS_1); + + zr36050_read(ptr, 0); + return ptr->status1; +} + +/* ========================================================================= + Local helper function: + + scale factor read + ========================================================================= */ + +/* scale factor is kept in datastructure */ +static u16 +zr36050_read_scalefactor (struct zr36050 *ptr) +{ + ptr->scalefact = (zr36050_read(ptr, ZR050_SF_HI) << 8) | + (zr36050_read(ptr, ZR050_SF_LO) & 0xFF); + + /* leave 0 selected for an eventually GO from master */ + zr36050_read(ptr, 0); + return ptr->scalefact; +} + +/* ========================================================================= + Local helper function: + + wait if codec is ready to proceed (end of processing) or time is over + ========================================================================= */ + +static void +zr36050_wait_end (struct zr36050 *ptr) +{ + int i = 0; + + while (!(zr36050_read_status1(ptr) & 0x4)) { + udelay(1); + if (i++ > 200000) { // 200ms, there is for sure something wrong!!! + dprintk(1, + "%s: timeout at wait_end (last status: 0x%02x)\n", + ptr->name, ptr->status1); + break; + } + } +} + +/* ========================================================================= + Local helper function: + + basic test of "connectivity", writes/reads to/from memory the SOF marker + ========================================================================= */ + +static int +zr36050_basic_test (struct zr36050 *ptr) +{ + zr36050_write(ptr, ZR050_SOF_IDX, 0x00); + zr36050_write(ptr, ZR050_SOF_IDX + 1, 0x00); + if ((zr36050_read(ptr, ZR050_SOF_IDX) | + zr36050_read(ptr, ZR050_SOF_IDX + 1)) != 0x0000) { + dprintk(1, + KERN_ERR + "%s: attach failed, can't connect to jpeg processor!\n", + ptr->name); + return -ENXIO; + } + zr36050_write(ptr, ZR050_SOF_IDX, 0xff); + zr36050_write(ptr, ZR050_SOF_IDX + 1, 0xc0); + if (((zr36050_read(ptr, ZR050_SOF_IDX) << 8) | + zr36050_read(ptr, ZR050_SOF_IDX + 1)) != 0xffc0) { + dprintk(1, + KERN_ERR + "%s: attach failed, can't connect to jpeg processor!\n", + ptr->name); + return -ENXIO; + } + + zr36050_wait_end(ptr); + if ((ptr->status1 & 0x4) == 0) { + dprintk(1, + KERN_ERR + "%s: attach failed, jpeg processor failed (end flag)!\n", + ptr->name); + return -EBUSY; + } + + return 0; /* looks good! */ +} + +/* ========================================================================= + Local helper function: + + simple loop for pushing the init datasets + ========================================================================= */ + +static int +zr36050_pushit (struct zr36050 *ptr, + u16 startreg, + u16 len, + const char *data) +{ + int i = 0; + + dprintk(4, "%s: write data block to 0x%04x (len=%d)\n", ptr->name, + startreg, len); + while (i < len) { + zr36050_write(ptr, startreg++, data[i++]); + } + + return i; +} + +/* ========================================================================= + Basic datasets: + + jpeg baseline setup data (you find it on lots places in internet, or just + extract it from any regular .jpg image...) + + Could be variable, but until it's not needed it they are just fixed to save + memory. Otherwise expand zr36050 structure with arrays, push the values to + it and initalize from there, as e.g. the linux zr36057/60 driver does it. + ========================================================================= */ + +static const char zr36050_dqt[0x86] = { + 0xff, 0xdb, //Marker: DQT + 0x00, 0x84, //Length: 2*65+2 + 0x00, //Pq,Tq first table + 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, + 0x0d, 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, + 0x1a, 0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25, + 0x1d, 0x28, 0x3a, 0x33, 0x3d, 0x3c, 0x39, 0x33, + 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, 0x44, + 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57, + 0x5f, 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, + 0x79, 0x70, 0x64, 0x78, 0x5c, 0x65, 0x67, 0x63, + 0x01, //Pq,Tq second table + 0x11, 0x12, 0x12, 0x18, 0x15, 0x18, 0x2f, 0x1a, + 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63 +}; + +static const char zr36050_dht[0x1a4] = { + 0xff, 0xc4, //Marker: DHT + 0x01, 0xa2, //Length: 2*AC, 2*DC + 0x00, //DC first table + 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, + 0x01, //DC second table + 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, + 0x10, //AC first table + 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, + 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, + 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, + 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, + 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, + 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, + 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, + 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, + 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, + 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, + 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, + 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, + 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, + 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, + 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, + 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, + 0xF8, 0xF9, 0xFA, + 0x11, //AC second table + 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, + 0x07, 0x05, 0x04, 0x04, 0x00, 0x01, + 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, + 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, + 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, + 0xA1, 0xB1, 0xC1, 0x09, 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, + 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25, + 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, 0x28, 0x29, 0x2A, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, + 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, + 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, + 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, + 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, + 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, + 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, + 0xF9, 0xFA +}; + +/* jpeg baseline setup, this is just fixed in this driver (YUV pictures) */ +#define NO_OF_COMPONENTS 0x3 //Y,U,V +#define BASELINE_PRECISION 0x8 //MCU size (?) +static const char zr36050_tq[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's QT +static const char zr36050_td[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's DC +static const char zr36050_ta[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's AC + +/* horizontal 422 decimation setup (maybe we support 411 or so later, too) */ +static const char zr36050_decimation_h[8] = { 2, 1, 1, 0, 0, 0, 0, 0 }; +static const char zr36050_decimation_v[8] = { 1, 1, 1, 0, 0, 0, 0, 0 }; + +/* ========================================================================= + Local helper functions: + + calculation and setup of parameter-dependent JPEG baseline segments + (needed for compression only) + ========================================================================= */ + +/* ------------------------------------------------------------------------- */ + +/* SOF (start of frame) segment depends on width, height and sampling ratio + of each color component */ + +static int +zr36050_set_sof (struct zr36050 *ptr) +{ + char sof_data[34]; // max. size of register set + int i; + + dprintk(3, "%s: write SOF (%dx%d, %d components)\n", ptr->name, + ptr->width, ptr->height, NO_OF_COMPONENTS); + sof_data[0] = 0xff; + sof_data[1] = 0xc0; + sof_data[2] = 0x00; + sof_data[3] = (3 * NO_OF_COMPONENTS) + 8; + sof_data[4] = BASELINE_PRECISION; // only '8' possible with zr36050 + sof_data[5] = (ptr->height) >> 8; + sof_data[6] = (ptr->height) & 0xff; + sof_data[7] = (ptr->width) >> 8; + sof_data[8] = (ptr->width) & 0xff; + sof_data[9] = NO_OF_COMPONENTS; + for (i = 0; i < NO_OF_COMPONENTS; i++) { + sof_data[10 + (i * 3)] = i; // index identifier + sof_data[11 + (i * 3)] = (ptr->h_samp_ratio[i] << 4) | (ptr->v_samp_ratio[i]); // sampling ratios + sof_data[12 + (i * 3)] = zr36050_tq[i]; // Q table selection + } + return zr36050_pushit(ptr, ZR050_SOF_IDX, + (3 * NO_OF_COMPONENTS) + 10, sof_data); +} + +/* ------------------------------------------------------------------------- */ + +/* SOS (start of scan) segment depends on the used scan components + of each color component */ + +static int +zr36050_set_sos (struct zr36050 *ptr) +{ + char sos_data[16]; // max. size of register set + int i; + + dprintk(3, "%s: write SOS\n", ptr->name); + sos_data[0] = 0xff; + sos_data[1] = 0xda; + sos_data[2] = 0x00; + sos_data[3] = 2 + 1 + (2 * NO_OF_COMPONENTS) + 3; + sos_data[4] = NO_OF_COMPONENTS; + for (i = 0; i < NO_OF_COMPONENTS; i++) { + sos_data[5 + (i * 2)] = i; // index + sos_data[6 + (i * 2)] = (zr36050_td[i] << 4) | zr36050_ta[i]; // AC/DC tbl.sel. + } + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 2] = 00; // scan start + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 3] = 0x3F; + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 4] = 00; + return zr36050_pushit(ptr, ZR050_SOS1_IDX, + 4 + 1 + (2 * NO_OF_COMPONENTS) + 3, + sos_data); +} + +/* ------------------------------------------------------------------------- */ + +/* DRI (define restart interval) */ + +static int +zr36050_set_dri (struct zr36050 *ptr) +{ + char dri_data[6]; // max. size of register set + + dprintk(3, "%s: write DRI\n", ptr->name); + dri_data[0] = 0xff; + dri_data[1] = 0xdd; + dri_data[2] = 0x00; + dri_data[3] = 0x04; + dri_data[4] = ptr->dri >> 8; + dri_data[5] = ptr->dri & 0xff; + return zr36050_pushit(ptr, ZR050_DRI_IDX, 6, dri_data); +} + +/* ========================================================================= + Setup function: + + Setup compression/decompression of Zoran's JPEG processor + ( see also zoran 36050 manual ) + + ... sorry for the spaghetti code ... + ========================================================================= */ +static void +zr36050_init (struct zr36050 *ptr) +{ + int sum = 0; + long bitcnt, tmp; + + if (ptr->mode == CODEC_DO_COMPRESSION) { + dprintk(2, "%s: COMPRESSION SETUP\n", ptr->name); + + /* 050 communicates with 057 in master mode */ + zr36050_write(ptr, ZR050_HARDWARE, ZR050_HW_MSTR); + + /* encoding table preload for compression */ + zr36050_write(ptr, ZR050_MODE, + ZR050_MO_COMP | ZR050_MO_TLM); + zr36050_write(ptr, ZR050_OPTIONS, 0); + + /* disable all IRQs */ + zr36050_write(ptr, ZR050_INT_REQ_0, 0); + zr36050_write(ptr, ZR050_INT_REQ_1, 3); // low 2 bits always 1 + + /* volume control settings */ + /*zr36050_write(ptr, ZR050_MBCV, ptr->max_block_vol);*/ + zr36050_write(ptr, ZR050_SF_HI, ptr->scalefact >> 8); + zr36050_write(ptr, ZR050_SF_LO, ptr->scalefact & 0xff); + + zr36050_write(ptr, ZR050_AF_HI, 0xff); + zr36050_write(ptr, ZR050_AF_M, 0xff); + zr36050_write(ptr, ZR050_AF_LO, 0xff); + + /* setup the variable jpeg tables */ + sum += zr36050_set_sof(ptr); + sum += zr36050_set_sos(ptr); + sum += zr36050_set_dri(ptr); + + /* setup the fixed jpeg tables - maybe variable, though - + * (see table init section above) */ + dprintk(3, "%s: write DQT, DHT, APP\n", ptr->name); + sum += zr36050_pushit(ptr, ZR050_DQT_IDX, + sizeof(zr36050_dqt), zr36050_dqt); + sum += zr36050_pushit(ptr, ZR050_DHT_IDX, + sizeof(zr36050_dht), zr36050_dht); + zr36050_write(ptr, ZR050_APP_IDX, 0xff); + zr36050_write(ptr, ZR050_APP_IDX + 1, 0xe0 + ptr->app.appn); + zr36050_write(ptr, ZR050_APP_IDX + 2, 0x00); + zr36050_write(ptr, ZR050_APP_IDX + 3, ptr->app.len + 2); + sum += zr36050_pushit(ptr, ZR050_APP_IDX + 4, 60, + ptr->app.data) + 4; + zr36050_write(ptr, ZR050_COM_IDX, 0xff); + zr36050_write(ptr, ZR050_COM_IDX + 1, 0xfe); + zr36050_write(ptr, ZR050_COM_IDX + 2, 0x00); + zr36050_write(ptr, ZR050_COM_IDX + 3, ptr->com.len + 2); + sum += zr36050_pushit(ptr, ZR050_COM_IDX + 4, 60, + ptr->com.data) + 4; + + /* do the internal huffman table preload */ + zr36050_write(ptr, ZR050_MARKERS_EN, ZR050_ME_DHTI); + + zr36050_write(ptr, ZR050_GO, 1); // launch codec + zr36050_wait_end(ptr); + dprintk(2, "%s: Status after table preload: 0x%02x\n", + ptr->name, ptr->status1); + + if ((ptr->status1 & 0x4) == 0) { + dprintk(1, KERN_ERR "%s: init aborted!\n", + ptr->name); + return; // something is wrong, its timed out!!!! + } + + /* setup misc. data for compression (target code sizes) */ + + /* size of compressed code to reach without header data */ + sum = ptr->real_code_vol - sum; + bitcnt = sum << 3; /* need the size in bits */ + + tmp = bitcnt >> 16; + dprintk(3, + "%s: code: csize=%d, tot=%d, bit=%ld, highbits=%ld\n", + ptr->name, sum, ptr->real_code_vol, bitcnt, tmp); + zr36050_write(ptr, ZR050_TCV_NET_HI, tmp >> 8); + zr36050_write(ptr, ZR050_TCV_NET_MH, tmp & 0xff); + tmp = bitcnt & 0xffff; + zr36050_write(ptr, ZR050_TCV_NET_ML, tmp >> 8); + zr36050_write(ptr, ZR050_TCV_NET_LO, tmp & 0xff); + + bitcnt -= bitcnt >> 7; // bits without stuffing + bitcnt -= ((bitcnt * 5) >> 6); // bits without eob + + tmp = bitcnt >> 16; + dprintk(3, "%s: code: nettobit=%ld, highnettobits=%ld\n", + ptr->name, bitcnt, tmp); + zr36050_write(ptr, ZR050_TCV_DATA_HI, tmp >> 8); + zr36050_write(ptr, ZR050_TCV_DATA_MH, tmp & 0xff); + tmp = bitcnt & 0xffff; + zr36050_write(ptr, ZR050_TCV_DATA_ML, tmp >> 8); + zr36050_write(ptr, ZR050_TCV_DATA_LO, tmp & 0xff); + + /* compression setup with or without bitrate control */ + zr36050_write(ptr, ZR050_MODE, + ZR050_MO_COMP | ZR050_MO_PASS2 | + (ptr->bitrate_ctrl ? ZR050_MO_BRC : 0)); + + /* this headers seem to deliver "valid AVI" jpeg frames */ + zr36050_write(ptr, ZR050_MARKERS_EN, + ZR050_ME_DQT | ZR050_ME_DHT | + ((ptr->app.len > 0) ? ZR050_ME_APP : 0) | + ((ptr->com.len > 0) ? ZR050_ME_COM : 0)); + } else { + dprintk(2, "%s: EXPANSION SETUP\n", ptr->name); + + /* 050 communicates with 055 in master mode */ + zr36050_write(ptr, ZR050_HARDWARE, + ZR050_HW_MSTR | ZR050_HW_CFIS_2_CLK); + + /* encoding table preload */ + zr36050_write(ptr, ZR050_MODE, ZR050_MO_TLM); + + /* disable all IRQs */ + zr36050_write(ptr, ZR050_INT_REQ_0, 0); + zr36050_write(ptr, ZR050_INT_REQ_1, 3); // low 2 bits always 1 + + dprintk(3, "%s: write DHT\n", ptr->name); + zr36050_pushit(ptr, ZR050_DHT_IDX, sizeof(zr36050_dht), + zr36050_dht); + + /* do the internal huffman table preload */ + zr36050_write(ptr, ZR050_MARKERS_EN, ZR050_ME_DHTI); + + zr36050_write(ptr, ZR050_GO, 1); // launch codec + zr36050_wait_end(ptr); + dprintk(2, "%s: Status after table preload: 0x%02x\n", + ptr->name, ptr->status1); + + if ((ptr->status1 & 0x4) == 0) { + dprintk(1, KERN_ERR "%s: init aborted!\n", + ptr->name); + return; // something is wrong, its timed out!!!! + } + + /* setup misc. data for expansion */ + zr36050_write(ptr, ZR050_MODE, 0); + zr36050_write(ptr, ZR050_MARKERS_EN, 0); + } + + /* adr on selected, to allow GO from master */ + zr36050_read(ptr, 0); +} + +/* ========================================================================= + CODEC API FUNCTIONS + + this functions are accessed by the master via the API structure + ========================================================================= */ + +/* set compression/expansion mode and launches codec - + this should be the last call from the master before starting processing */ +static int +zr36050_set_mode (struct videocodec *codec, + int mode) +{ + struct zr36050 *ptr = (struct zr36050 *) codec->data; + + dprintk(2, "%s: set_mode %d call\n", ptr->name, mode); + + if ((mode != CODEC_DO_EXPANSION) && (mode != CODEC_DO_COMPRESSION)) + return -EINVAL; + + ptr->mode = mode; + zr36050_init(ptr); + + return 0; +} + +/* set picture size (norm is ignored as the codec doesn't know about it) */ +static int +zr36050_set_video (struct videocodec *codec, + struct tvnorm *norm, + struct vfe_settings *cap, + struct vfe_polarity *pol) +{ + struct zr36050 *ptr = (struct zr36050 *) codec->data; + int size; + + dprintk(2, "%s: set_video %d.%d, %d/%d-%dx%d (0x%x) q%d call\n", + ptr->name, norm->HStart, norm->VStart, + cap->x, cap->y, cap->width, cap->height, + cap->decimation, cap->quality); + /* if () return -EINVAL; + * trust the master driver that it knows what it does - so + * we allow invalid startx/y and norm for now ... */ + ptr->width = cap->width / (cap->decimation & 0xff); + ptr->height = cap->height / ((cap->decimation >> 8) & 0xff); + + /* (KM) JPEG quality */ + size = ptr->width * ptr->height; + size *= 16; /* size in bits */ + /* apply quality setting */ + size = size * cap->quality / 200; + + /* Minimum: 1kb */ + if (size < 8192) + size = 8192; + /* Maximum: 7/8 of code buffer */ + if (size > ptr->total_code_vol * 7) + size = ptr->total_code_vol * 7; + + ptr->real_code_vol = size >> 3; /* in bytes */ + + /* Set max_block_vol here (previously in zr36050_init, moved + * here for consistency with zr36060 code */ + zr36050_write(ptr, ZR050_MBCV, ptr->max_block_vol); + + return 0; +} + +/* additional control functions */ +static int +zr36050_control (struct videocodec *codec, + int type, + int size, + void *data) +{ + struct zr36050 *ptr = (struct zr36050 *) codec->data; + int *ival = (int *) data; + + dprintk(2, "%s: control %d call with %d byte\n", ptr->name, type, + size); + + switch (type) { + case CODEC_G_STATUS: /* get last status */ + if (size != sizeof(int)) + return -EFAULT; + zr36050_read_status1(ptr); + *ival = ptr->status1; + break; + + case CODEC_G_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + *ival = CODEC_MODE_BJPG; + break; + + case CODEC_S_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + if (*ival != CODEC_MODE_BJPG) + return -EINVAL; + /* not needed, do nothing */ + return 0; + + case CODEC_G_VFE: + case CODEC_S_VFE: + /* not needed, do nothing */ + return 0; + + case CODEC_S_MMAP: + /* not available, give an error */ + return -ENXIO; + + case CODEC_G_JPEG_TDS_BYTE: /* get target volume in byte */ + if (size != sizeof(int)) + return -EFAULT; + *ival = ptr->total_code_vol; + break; + + case CODEC_S_JPEG_TDS_BYTE: /* get target volume in byte */ + if (size != sizeof(int)) + return -EFAULT; + ptr->total_code_vol = *ival; + /* (Kieran Morrissey) + * code copied from zr36060.c to ensure proper bitrate */ + ptr->real_code_vol = (ptr->total_code_vol * 6) >> 3; + break; + + case CODEC_G_JPEG_SCALE: /* get scaling factor */ + if (size != sizeof(int)) + return -EFAULT; + *ival = zr36050_read_scalefactor(ptr); + break; + + case CODEC_S_JPEG_SCALE: /* set scaling factor */ + if (size != sizeof(int)) + return -EFAULT; + ptr->scalefact = *ival; + break; + + case CODEC_G_JPEG_APP_DATA: { /* get appn marker data */ + struct jpeg_app_marker *app = data; + + if (size != sizeof(struct jpeg_app_marker)) + return -EFAULT; + + *app = ptr->app; + break; + } + + case CODEC_S_JPEG_APP_DATA: { /* set appn marker data */ + struct jpeg_app_marker *app = data; + + if (size != sizeof(struct jpeg_app_marker)) + return -EFAULT; + + ptr->app = *app; + break; + } + + case CODEC_G_JPEG_COM_DATA: { /* get comment marker data */ + struct jpeg_com_marker *com = data; + + if (size != sizeof(struct jpeg_com_marker)) + return -EFAULT; + + *com = ptr->com; + break; + } + + case CODEC_S_JPEG_COM_DATA: { /* set comment marker data */ + struct jpeg_com_marker *com = data; + + if (size != sizeof(struct jpeg_com_marker)) + return -EFAULT; + + ptr->com = *com; + break; + } + + default: + return -EINVAL; + } + + return size; +} + +/* ========================================================================= + Exit and unregister function: + + Deinitializes Zoran's JPEG processor + ========================================================================= */ + +static int +zr36050_unset (struct videocodec *codec) +{ + struct zr36050 *ptr = codec->data; + + if (ptr) { + /* do wee need some codec deinit here, too ???? */ + + dprintk(1, "%s: finished codec #%d\n", ptr->name, + ptr->num); + kfree(ptr); + codec->data = NULL; + + zr36050_codecs--; + return 0; + } + + return -EFAULT; +} + +/* ========================================================================= + Setup and registry function: + + Initializes Zoran's JPEG processor + + Also sets pixel size, average code size, mode (compr./decompr.) + (the given size is determined by the processor with the video interface) + ========================================================================= */ + +static int +zr36050_setup (struct videocodec *codec) +{ + struct zr36050 *ptr; + int res; + + dprintk(2, "zr36050: initializing MJPEG subsystem #%d.\n", + zr36050_codecs); + + if (zr36050_codecs == MAX_CODECS) { + dprintk(1, + KERN_ERR "zr36050: Can't attach more codecs!\n"); + return -ENOSPC; + } + //mem structure init + codec->data = ptr = kzalloc(sizeof(struct zr36050), GFP_KERNEL); + if (NULL == ptr) { + dprintk(1, KERN_ERR "zr36050: Can't get enough memory!\n"); + return -ENOMEM; + } + + snprintf(ptr->name, sizeof(ptr->name), "zr36050[%d]", + zr36050_codecs); + ptr->num = zr36050_codecs++; + ptr->codec = codec; + + //testing + res = zr36050_basic_test(ptr); + if (res < 0) { + zr36050_unset(codec); + return res; + } + //final setup + memcpy(ptr->h_samp_ratio, zr36050_decimation_h, 8); + memcpy(ptr->v_samp_ratio, zr36050_decimation_v, 8); + + ptr->bitrate_ctrl = 0; /* 0 or 1 - fixed file size flag + * (what is the difference?) */ + ptr->mode = CODEC_DO_COMPRESSION; + ptr->width = 384; + ptr->height = 288; + ptr->total_code_vol = 16000; + ptr->max_block_vol = 240; + ptr->scalefact = 0x100; + ptr->dri = 1; + + /* no app/com marker by default */ + ptr->app.appn = 0; + ptr->app.len = 0; + ptr->com.len = 0; + + zr36050_init(ptr); + + dprintk(1, KERN_INFO "%s: codec attached and running\n", + ptr->name); + + return 0; +} + +static const struct videocodec zr36050_codec = { + .owner = THIS_MODULE, + .name = "zr36050", + .magic = 0L, // magic not used + .flags = + CODEC_FLAG_JPEG | CODEC_FLAG_HARDWARE | CODEC_FLAG_ENCODER | + CODEC_FLAG_DECODER, + .type = CODEC_TYPE_ZR36050, + .setup = zr36050_setup, // functionality + .unset = zr36050_unset, + .set_mode = zr36050_set_mode, + .set_video = zr36050_set_video, + .control = zr36050_control, + // others are not used +}; + +/* ========================================================================= + HOOK IN DRIVER AS KERNEL MODULE + ========================================================================= */ + +static int __init +zr36050_init_module (void) +{ + //dprintk(1, "ZR36050 driver %s\n",ZR050_VERSION); + zr36050_codecs = 0; + return videocodec_register(&zr36050_codec); +} + +static void __exit +zr36050_cleanup_module (void) +{ + if (zr36050_codecs) { + dprintk(1, + "zr36050: something's wrong - %d codecs left somehow.\n", + zr36050_codecs); + } + videocodec_unregister(&zr36050_codec); +} + +module_init(zr36050_init_module); +module_exit(zr36050_cleanup_module); + +MODULE_AUTHOR("Wolfgang Scherr <scherr@net4you.at>"); +MODULE_DESCRIPTION("Driver module for ZR36050 jpeg processors " + ZR050_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/zoran/zr36050.h b/drivers/media/video/zoran/zr36050.h new file mode 100644 index 00000000000..9f52f0cdde5 --- /dev/null +++ b/drivers/media/video/zoran/zr36050.h @@ -0,0 +1,184 @@ +/* + * Zoran ZR36050 basic configuration functions - header file + * + * Copyright (C) 2001 Wolfgang Scherr <scherr@net4you.at> + * + * $Id: zr36050.h,v 1.1.2.2 2003/01/14 21:18:22 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#ifndef ZR36050_H +#define ZR36050_H + +#include "videocodec.h" + +/* data stored for each zoran jpeg codec chip */ +struct zr36050 { + char name[32]; + int num; + /* io datastructure */ + struct videocodec *codec; + // last coder status + __u8 status1; + // actual coder setup + int mode; + + __u16 width; + __u16 height; + + __u16 bitrate_ctrl; + + __u32 total_code_vol; + __u32 real_code_vol; + __u16 max_block_vol; + + __u8 h_samp_ratio[8]; + __u8 v_samp_ratio[8]; + __u16 scalefact; + __u16 dri; + + /* com/app marker */ + struct jpeg_com_marker com; + struct jpeg_app_marker app; +}; + +/* zr36050 register addresses */ +#define ZR050_GO 0x000 +#define ZR050_HARDWARE 0x002 +#define ZR050_MODE 0x003 +#define ZR050_OPTIONS 0x004 +#define ZR050_MBCV 0x005 +#define ZR050_MARKERS_EN 0x006 +#define ZR050_INT_REQ_0 0x007 +#define ZR050_INT_REQ_1 0x008 +#define ZR050_TCV_NET_HI 0x009 +#define ZR050_TCV_NET_MH 0x00a +#define ZR050_TCV_NET_ML 0x00b +#define ZR050_TCV_NET_LO 0x00c +#define ZR050_TCV_DATA_HI 0x00d +#define ZR050_TCV_DATA_MH 0x00e +#define ZR050_TCV_DATA_ML 0x00f +#define ZR050_TCV_DATA_LO 0x010 +#define ZR050_SF_HI 0x011 +#define ZR050_SF_LO 0x012 +#define ZR050_AF_HI 0x013 +#define ZR050_AF_M 0x014 +#define ZR050_AF_LO 0x015 +#define ZR050_ACV_HI 0x016 +#define ZR050_ACV_MH 0x017 +#define ZR050_ACV_ML 0x018 +#define ZR050_ACV_LO 0x019 +#define ZR050_ACT_HI 0x01a +#define ZR050_ACT_MH 0x01b +#define ZR050_ACT_ML 0x01c +#define ZR050_ACT_LO 0x01d +#define ZR050_ACV_TRUN_HI 0x01e +#define ZR050_ACV_TRUN_MH 0x01f +#define ZR050_ACV_TRUN_ML 0x020 +#define ZR050_ACV_TRUN_LO 0x021 +#define ZR050_STATUS_0 0x02e +#define ZR050_STATUS_1 0x02f + +#define ZR050_SOF_IDX 0x040 +#define ZR050_SOS1_IDX 0x07a +#define ZR050_SOS2_IDX 0x08a +#define ZR050_SOS3_IDX 0x09a +#define ZR050_SOS4_IDX 0x0aa +#define ZR050_DRI_IDX 0x0c0 +#define ZR050_DNL_IDX 0x0c6 +#define ZR050_DQT_IDX 0x0cc +#define ZR050_DHT_IDX 0x1d4 +#define ZR050_APP_IDX 0x380 +#define ZR050_COM_IDX 0x3c0 + +/* zr36050 hardware register bits */ + +#define ZR050_HW_BSWD 0x80 +#define ZR050_HW_MSTR 0x40 +#define ZR050_HW_DMA 0x20 +#define ZR050_HW_CFIS_1_CLK 0x00 +#define ZR050_HW_CFIS_2_CLK 0x04 +#define ZR050_HW_CFIS_3_CLK 0x08 +#define ZR050_HW_CFIS_4_CLK 0x0C +#define ZR050_HW_CFIS_5_CLK 0x10 +#define ZR050_HW_CFIS_6_CLK 0x14 +#define ZR050_HW_CFIS_7_CLK 0x18 +#define ZR050_HW_CFIS_8_CLK 0x1C +#define ZR050_HW_BELE 0x01 + +/* zr36050 mode register bits */ + +#define ZR050_MO_COMP 0x80 +#define ZR050_MO_COMP 0x80 +#define ZR050_MO_ATP 0x40 +#define ZR050_MO_PASS2 0x20 +#define ZR050_MO_TLM 0x10 +#define ZR050_MO_DCONLY 0x08 +#define ZR050_MO_BRC 0x04 + +#define ZR050_MO_ATP 0x40 +#define ZR050_MO_PASS2 0x20 +#define ZR050_MO_TLM 0x10 +#define ZR050_MO_DCONLY 0x08 + +/* zr36050 option register bits */ + +#define ZR050_OP_NSCN_1 0x00 +#define ZR050_OP_NSCN_2 0x20 +#define ZR050_OP_NSCN_3 0x40 +#define ZR050_OP_NSCN_4 0x60 +#define ZR050_OP_NSCN_5 0x80 +#define ZR050_OP_NSCN_6 0xA0 +#define ZR050_OP_NSCN_7 0xC0 +#define ZR050_OP_NSCN_8 0xE0 +#define ZR050_OP_OVF 0x10 + + +/* zr36050 markers-enable register bits */ + +#define ZR050_ME_APP 0x80 +#define ZR050_ME_COM 0x40 +#define ZR050_ME_DRI 0x20 +#define ZR050_ME_DQT 0x10 +#define ZR050_ME_DHT 0x08 +#define ZR050_ME_DNL 0x04 +#define ZR050_ME_DQTI 0x02 +#define ZR050_ME_DHTI 0x01 + +/* zr36050 status0/1 register bit masks */ + +#define ZR050_ST_RST_MASK 0x20 +#define ZR050_ST_SOF_MASK 0x02 +#define ZR050_ST_SOS_MASK 0x02 +#define ZR050_ST_DATRDY_MASK 0x80 +#define ZR050_ST_MRKDET_MASK 0x40 +#define ZR050_ST_RFM_MASK 0x10 +#define ZR050_ST_RFD_MASK 0x08 +#define ZR050_ST_END_MASK 0x04 +#define ZR050_ST_TCVOVF_MASK 0x02 +#define ZR050_ST_DATOVF_MASK 0x01 + +/* pixel component idx */ + +#define ZR050_Y_COMPONENT 0 +#define ZR050_U_COMPONENT 1 +#define ZR050_V_COMPONENT 2 + +#endif /*fndef ZR36050_H */ diff --git a/drivers/media/video/zoran/zr36057.h b/drivers/media/video/zoran/zr36057.h new file mode 100644 index 00000000000..54c9362aa98 --- /dev/null +++ b/drivers/media/video/zoran/zr36057.h @@ -0,0 +1,168 @@ +/* + * zr36057.h - zr36057 register offsets + * + * Copyright (C) 1998 Dave Perks <dperks@ibm.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _ZR36057_H_ +#define _ZR36057_H_ + + +/* Zoran ZR36057 registers */ + +#define ZR36057_VFEHCR 0x000 /* Video Front End, Horizontal Configuration Register */ +#define ZR36057_VFEHCR_HSPol (1<<30) +#define ZR36057_VFEHCR_HStart 10 +#define ZR36057_VFEHCR_HEnd 0 +#define ZR36057_VFEHCR_Hmask 0x3ff + +#define ZR36057_VFEVCR 0x004 /* Video Front End, Vertical Configuration Register */ +#define ZR36057_VFEVCR_VSPol (1<<30) +#define ZR36057_VFEVCR_VStart 10 +#define ZR36057_VFEVCR_VEnd 0 +#define ZR36057_VFEVCR_Vmask 0x3ff + +#define ZR36057_VFESPFR 0x008 /* Video Front End, Scaler and Pixel Format Register */ +#define ZR36057_VFESPFR_ExtFl (1<<26) +#define ZR36057_VFESPFR_TopField (1<<25) +#define ZR36057_VFESPFR_VCLKPol (1<<24) +#define ZR36057_VFESPFR_HFilter 21 +#define ZR36057_VFESPFR_HorDcm 14 +#define ZR36057_VFESPFR_VerDcm 8 +#define ZR36057_VFESPFR_DispMode 6 +#define ZR36057_VFESPFR_YUV422 (0<<3) +#define ZR36057_VFESPFR_RGB888 (1<<3) +#define ZR36057_VFESPFR_RGB565 (2<<3) +#define ZR36057_VFESPFR_RGB555 (3<<3) +#define ZR36057_VFESPFR_ErrDif (1<<2) +#define ZR36057_VFESPFR_Pack24 (1<<1) +#define ZR36057_VFESPFR_LittleEndian (1<<0) + +#define ZR36057_VDTR 0x00c /* Video Display "Top" Register */ + +#define ZR36057_VDBR 0x010 /* Video Display "Bottom" Register */ + +#define ZR36057_VSSFGR 0x014 /* Video Stride, Status, and Frame Grab Register */ +#define ZR36057_VSSFGR_DispStride 16 +#define ZR36057_VSSFGR_VidOvf (1<<8) +#define ZR36057_VSSFGR_SnapShot (1<<1) +#define ZR36057_VSSFGR_FrameGrab (1<<0) + +#define ZR36057_VDCR 0x018 /* Video Display Configuration Register */ +#define ZR36057_VDCR_VidEn (1<<31) +#define ZR36057_VDCR_MinPix 24 +#define ZR36057_VDCR_Triton (1<<24) +#define ZR36057_VDCR_VidWinHt 12 +#define ZR36057_VDCR_VidWinWid 0 + +#define ZR36057_MMTR 0x01c /* Masking Map "Top" Register */ + +#define ZR36057_MMBR 0x020 /* Masking Map "Bottom" Register */ + +#define ZR36057_OCR 0x024 /* Overlay Control Register */ +#define ZR36057_OCR_OvlEnable (1 << 15) +#define ZR36057_OCR_MaskStride 0 + +#define ZR36057_SPGPPCR 0x028 /* System, PCI, and General Purpose Pins Control Register */ +#define ZR36057_SPGPPCR_SoftReset (1<<24) + +#define ZR36057_GPPGCR1 0x02c /* General Purpose Pins and GuestBus Control Register (1) */ + +#define ZR36057_MCSAR 0x030 /* MPEG Code Source Address Register */ + +#define ZR36057_MCTCR 0x034 /* MPEG Code Transfer Control Register */ +#define ZR36057_MCTCR_CodTime (1 << 30) +#define ZR36057_MCTCR_CEmpty (1 << 29) +#define ZR36057_MCTCR_CFlush (1 << 28) +#define ZR36057_MCTCR_CodGuestID 20 +#define ZR36057_MCTCR_CodGuestReg 16 + +#define ZR36057_MCMPR 0x038 /* MPEG Code Memory Pointer Register */ + +#define ZR36057_ISR 0x03c /* Interrupt Status Register */ +#define ZR36057_ISR_GIRQ1 (1<<30) +#define ZR36057_ISR_GIRQ0 (1<<29) +#define ZR36057_ISR_CodRepIRQ (1<<28) +#define ZR36057_ISR_JPEGRepIRQ (1<<27) + +#define ZR36057_ICR 0x040 /* Interrupt Control Register */ +#define ZR36057_ICR_GIRQ1 (1<<30) +#define ZR36057_ICR_GIRQ0 (1<<29) +#define ZR36057_ICR_CodRepIRQ (1<<28) +#define ZR36057_ICR_JPEGRepIRQ (1<<27) +#define ZR36057_ICR_IntPinEn (1<<24) + +#define ZR36057_I2CBR 0x044 /* I2C Bus Register */ +#define ZR36057_I2CBR_SDA (1<<1) +#define ZR36057_I2CBR_SCL (1<<0) + +#define ZR36057_JMC 0x100 /* JPEG Mode and Control */ +#define ZR36057_JMC_JPG (1 << 31) +#define ZR36057_JMC_JPGExpMode (0 << 29) +#define ZR36057_JMC_JPGCmpMode (1 << 29) +#define ZR36057_JMC_MJPGExpMode (2 << 29) +#define ZR36057_JMC_MJPGCmpMode (3 << 29) +#define ZR36057_JMC_RTBUSY_FB (1 << 6) +#define ZR36057_JMC_Go_en (1 << 5) +#define ZR36057_JMC_SyncMstr (1 << 4) +#define ZR36057_JMC_Fld_per_buff (1 << 3) +#define ZR36057_JMC_VFIFO_FB (1 << 2) +#define ZR36057_JMC_CFIFO_FB (1 << 1) +#define ZR36057_JMC_Stll_LitEndian (1 << 0) + +#define ZR36057_JPC 0x104 /* JPEG Process Control */ +#define ZR36057_JPC_P_Reset (1 << 7) +#define ZR36057_JPC_CodTrnsEn (1 << 5) +#define ZR36057_JPC_Active (1 << 0) + +#define ZR36057_VSP 0x108 /* Vertical Sync Parameters */ +#define ZR36057_VSP_VsyncSize 16 +#define ZR36057_VSP_FrmTot 0 + +#define ZR36057_HSP 0x10c /* Horizontal Sync Parameters */ +#define ZR36057_HSP_HsyncStart 16 +#define ZR36057_HSP_LineTot 0 + +#define ZR36057_FHAP 0x110 /* Field Horizontal Active Portion */ +#define ZR36057_FHAP_NAX 16 +#define ZR36057_FHAP_PAX 0 + +#define ZR36057_FVAP 0x114 /* Field Vertical Active Portion */ +#define ZR36057_FVAP_NAY 16 +#define ZR36057_FVAP_PAY 0 + +#define ZR36057_FPP 0x118 /* Field Process Parameters */ +#define ZR36057_FPP_Odd_Even (1 << 0) + +#define ZR36057_JCBA 0x11c /* JPEG Code Base Address */ + +#define ZR36057_JCFT 0x120 /* JPEG Code FIFO Threshold */ + +#define ZR36057_JCGI 0x124 /* JPEG Codec Guest ID */ +#define ZR36057_JCGI_JPEGuestID 4 +#define ZR36057_JCGI_JPEGuestReg 0 + +#define ZR36057_GCR2 0x12c /* GuestBus Control Register (2) */ + +#define ZR36057_POR 0x200 /* Post Office Register */ +#define ZR36057_POR_POPen (1<<25) +#define ZR36057_POR_POTime (1<<24) +#define ZR36057_POR_PODir (1<<23) + +#define ZR36057_STR 0x300 /* "Still" Transfer Register */ + +#endif diff --git a/drivers/media/video/zoran/zr36060.c b/drivers/media/video/zoran/zr36060.c new file mode 100644 index 00000000000..8e74054d5ef --- /dev/null +++ b/drivers/media/video/zoran/zr36060.c @@ -0,0 +1,1014 @@ +/* + * Zoran ZR36060 basic configuration functions + * + * Copyright (C) 2002 Laurent Pinchart <laurent.pinchart@skynet.be> + * + * $Id: zr36060.c,v 1.1.2.22 2003/05/06 09:35:36 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#define ZR060_VERSION "v0.7" + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/delay.h> + +#include <linux/types.h> +#include <linux/wait.h> + +/* includes for structures and defines regarding video + #include<linux/videodev.h> */ + +/* I/O commands, error codes */ +#include <asm/io.h> +//#include<errno.h> + +/* headerfile of this module */ +#include "zr36060.h" + +/* codec io API */ +#include "videocodec.h" + +/* it doesn't make sense to have more than 20 or so, + just to prevent some unwanted loops */ +#define MAX_CODECS 20 + +/* amount of chips attached via this driver */ +static int zr36060_codecs; + +static int low_bitrate; +module_param(low_bitrate, bool, 0); +MODULE_PARM_DESC(low_bitrate, "Buz compatibility option, halves bitrate"); + +/* debugging is available via module parameter */ +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-4)"); + +#define dprintk(num, format, args...) \ + do { \ + if (debug >= num) \ + printk(format, ##args); \ + } while (0) + +/* ========================================================================= + Local hardware I/O functions: + + read/write via codec layer (registers are located in the master device) + ========================================================================= */ + +/* read and write functions */ +static u8 +zr36060_read (struct zr36060 *ptr, + u16 reg) +{ + u8 value = 0; + + // just in case something is wrong... + if (ptr->codec->master_data->readreg) + value = (ptr->codec->master_data->readreg(ptr->codec, + reg)) & 0xff; + else + dprintk(1, + KERN_ERR "%s: invalid I/O setup, nothing read!\n", + ptr->name); + + //dprintk(4, "%s: reading from 0x%04x: %02x\n",ptr->name,reg,value); + + return value; +} + +static void +zr36060_write(struct zr36060 *ptr, + u16 reg, + u8 value) +{ + //dprintk(4, "%s: writing 0x%02x to 0x%04x\n",ptr->name,value,reg); + dprintk(4, "0x%02x @0x%04x\n", value, reg); + + // just in case something is wrong... + if (ptr->codec->master_data->writereg) + ptr->codec->master_data->writereg(ptr->codec, reg, value); + else + dprintk(1, + KERN_ERR + "%s: invalid I/O setup, nothing written!\n", + ptr->name); +} + +/* ========================================================================= + Local helper function: + + status read + ========================================================================= */ + +/* status is kept in datastructure */ +static u8 +zr36060_read_status (struct zr36060 *ptr) +{ + ptr->status = zr36060_read(ptr, ZR060_CFSR); + + zr36060_read(ptr, 0); + return ptr->status; +} + +/* ========================================================================= + Local helper function: + + scale factor read + ========================================================================= */ + +/* scale factor is kept in datastructure */ +static u16 +zr36060_read_scalefactor (struct zr36060 *ptr) +{ + ptr->scalefact = (zr36060_read(ptr, ZR060_SF_HI) << 8) | + (zr36060_read(ptr, ZR060_SF_LO) & 0xFF); + + /* leave 0 selected for an eventually GO from master */ + zr36060_read(ptr, 0); + return ptr->scalefact; +} + +/* ========================================================================= + Local helper function: + + wait if codec is ready to proceed (end of processing) or time is over + ========================================================================= */ + +static void +zr36060_wait_end (struct zr36060 *ptr) +{ + int i = 0; + + while (zr36060_read_status(ptr) & ZR060_CFSR_Busy) { + udelay(1); + if (i++ > 200000) { // 200ms, there is for sure something wrong!!! + dprintk(1, + "%s: timeout at wait_end (last status: 0x%02x)\n", + ptr->name, ptr->status); + break; + } + } +} + +/* ========================================================================= + Local helper function: + + basic test of "connectivity", writes/reads to/from memory the SOF marker + ========================================================================= */ + +static int +zr36060_basic_test (struct zr36060 *ptr) +{ + if ((zr36060_read(ptr, ZR060_IDR_DEV) != 0x33) && + (zr36060_read(ptr, ZR060_IDR_REV) != 0x01)) { + dprintk(1, + KERN_ERR + "%s: attach failed, can't connect to jpeg processor!\n", + ptr->name); + return -ENXIO; + } + + zr36060_wait_end(ptr); + if (ptr->status & ZR060_CFSR_Busy) { + dprintk(1, + KERN_ERR + "%s: attach failed, jpeg processor failed (end flag)!\n", + ptr->name); + return -EBUSY; + } + + return 0; /* looks good! */ +} + +/* ========================================================================= + Local helper function: + + simple loop for pushing the init datasets + ========================================================================= */ + +static int +zr36060_pushit (struct zr36060 *ptr, + u16 startreg, + u16 len, + const char *data) +{ + int i = 0; + + dprintk(4, "%s: write data block to 0x%04x (len=%d)\n", ptr->name, + startreg, len); + while (i < len) { + zr36060_write(ptr, startreg++, data[i++]); + } + + return i; +} + +/* ========================================================================= + Basic datasets: + + jpeg baseline setup data (you find it on lots places in internet, or just + extract it from any regular .jpg image...) + + Could be variable, but until it's not needed it they are just fixed to save + memory. Otherwise expand zr36060 structure with arrays, push the values to + it and initalize from there, as e.g. the linux zr36057/60 driver does it. + ========================================================================= */ + +static const char zr36060_dqt[0x86] = { + 0xff, 0xdb, //Marker: DQT + 0x00, 0x84, //Length: 2*65+2 + 0x00, //Pq,Tq first table + 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, + 0x0d, 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, + 0x1a, 0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25, + 0x1d, 0x28, 0x3a, 0x33, 0x3d, 0x3c, 0x39, 0x33, + 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, 0x44, + 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57, + 0x5f, 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, + 0x79, 0x70, 0x64, 0x78, 0x5c, 0x65, 0x67, 0x63, + 0x01, //Pq,Tq second table + 0x11, 0x12, 0x12, 0x18, 0x15, 0x18, 0x2f, 0x1a, + 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63 +}; + +static const char zr36060_dht[0x1a4] = { + 0xff, 0xc4, //Marker: DHT + 0x01, 0xa2, //Length: 2*AC, 2*DC + 0x00, //DC first table + 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, + 0x01, //DC second table + 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, + 0x10, //AC first table + 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, + 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, + 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, + 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, + 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, + 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, + 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, + 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, + 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, + 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, + 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, + 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, + 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, + 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, + 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, + 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, + 0xF8, 0xF9, 0xFA, + 0x11, //AC second table + 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, + 0x07, 0x05, 0x04, 0x04, 0x00, 0x01, + 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, + 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, + 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, + 0xA1, 0xB1, 0xC1, 0x09, 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, + 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25, + 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, 0x28, 0x29, 0x2A, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, + 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, + 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, + 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, + 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, + 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, + 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, + 0xF9, 0xFA +}; + +/* jpeg baseline setup, this is just fixed in this driver (YUV pictures) */ +#define NO_OF_COMPONENTS 0x3 //Y,U,V +#define BASELINE_PRECISION 0x8 //MCU size (?) +static const char zr36060_tq[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's QT +static const char zr36060_td[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's DC +static const char zr36060_ta[8] = { 0, 1, 1, 0, 0, 0, 0, 0 }; //table idx's AC + +/* horizontal 422 decimation setup (maybe we support 411 or so later, too) */ +static const char zr36060_decimation_h[8] = { 2, 1, 1, 0, 0, 0, 0, 0 }; +static const char zr36060_decimation_v[8] = { 1, 1, 1, 0, 0, 0, 0, 0 }; + +/* ========================================================================= + Local helper functions: + + calculation and setup of parameter-dependent JPEG baseline segments + (needed for compression only) + ========================================================================= */ + +/* ------------------------------------------------------------------------- */ + +/* SOF (start of frame) segment depends on width, height and sampling ratio + of each color component */ + +static int +zr36060_set_sof (struct zr36060 *ptr) +{ + char sof_data[34]; // max. size of register set + int i; + + dprintk(3, "%s: write SOF (%dx%d, %d components)\n", ptr->name, + ptr->width, ptr->height, NO_OF_COMPONENTS); + sof_data[0] = 0xff; + sof_data[1] = 0xc0; + sof_data[2] = 0x00; + sof_data[3] = (3 * NO_OF_COMPONENTS) + 8; + sof_data[4] = BASELINE_PRECISION; // only '8' possible with zr36060 + sof_data[5] = (ptr->height) >> 8; + sof_data[6] = (ptr->height) & 0xff; + sof_data[7] = (ptr->width) >> 8; + sof_data[8] = (ptr->width) & 0xff; + sof_data[9] = NO_OF_COMPONENTS; + for (i = 0; i < NO_OF_COMPONENTS; i++) { + sof_data[10 + (i * 3)] = i; // index identifier + sof_data[11 + (i * 3)] = (ptr->h_samp_ratio[i] << 4) | + (ptr->v_samp_ratio[i]); // sampling ratios + sof_data[12 + (i * 3)] = zr36060_tq[i]; // Q table selection + } + return zr36060_pushit(ptr, ZR060_SOF_IDX, + (3 * NO_OF_COMPONENTS) + 10, sof_data); +} + +/* ------------------------------------------------------------------------- */ + +/* SOS (start of scan) segment depends on the used scan components + of each color component */ + +static int +zr36060_set_sos (struct zr36060 *ptr) +{ + char sos_data[16]; // max. size of register set + int i; + + dprintk(3, "%s: write SOS\n", ptr->name); + sos_data[0] = 0xff; + sos_data[1] = 0xda; + sos_data[2] = 0x00; + sos_data[3] = 2 + 1 + (2 * NO_OF_COMPONENTS) + 3; + sos_data[4] = NO_OF_COMPONENTS; + for (i = 0; i < NO_OF_COMPONENTS; i++) { + sos_data[5 + (i * 2)] = i; // index + sos_data[6 + (i * 2)] = (zr36060_td[i] << 4) | + zr36060_ta[i]; // AC/DC tbl.sel. + } + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 2] = 00; // scan start + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 3] = 0x3f; + sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 4] = 00; + return zr36060_pushit(ptr, ZR060_SOS_IDX, + 4 + 1 + (2 * NO_OF_COMPONENTS) + 3, + sos_data); +} + +/* ------------------------------------------------------------------------- */ + +/* DRI (define restart interval) */ + +static int +zr36060_set_dri (struct zr36060 *ptr) +{ + char dri_data[6]; // max. size of register set + + dprintk(3, "%s: write DRI\n", ptr->name); + dri_data[0] = 0xff; + dri_data[1] = 0xdd; + dri_data[2] = 0x00; + dri_data[3] = 0x04; + dri_data[4] = (ptr->dri) >> 8; + dri_data[5] = (ptr->dri) & 0xff; + return zr36060_pushit(ptr, ZR060_DRI_IDX, 6, dri_data); +} + +/* ========================================================================= + Setup function: + + Setup compression/decompression of Zoran's JPEG processor + ( see also zoran 36060 manual ) + + ... sorry for the spaghetti code ... + ========================================================================= */ +static void +zr36060_init (struct zr36060 *ptr) +{ + int sum = 0; + long bitcnt, tmp; + + if (ptr->mode == CODEC_DO_COMPRESSION) { + dprintk(2, "%s: COMPRESSION SETUP\n", ptr->name); + + zr36060_write(ptr, ZR060_LOAD, ZR060_LOAD_SyncRst); + + /* 060 communicates with 067 in master mode */ + zr36060_write(ptr, ZR060_CIR, ZR060_CIR_CodeMstr); + + /* Compression with or without variable scale factor */ + /*FIXME: What about ptr->bitrate_ctrl? */ + zr36060_write(ptr, ZR060_CMR, + ZR060_CMR_Comp | ZR060_CMR_Pass2 | + ZR060_CMR_BRB); + + /* Must be zero */ + zr36060_write(ptr, ZR060_MBZ, 0x00); + zr36060_write(ptr, ZR060_TCR_HI, 0x00); + zr36060_write(ptr, ZR060_TCR_LO, 0x00); + + /* Disable all IRQs - no DataErr means autoreset */ + zr36060_write(ptr, ZR060_IMR, 0); + + /* volume control settings */ + zr36060_write(ptr, ZR060_SF_HI, ptr->scalefact >> 8); + zr36060_write(ptr, ZR060_SF_LO, ptr->scalefact & 0xff); + + zr36060_write(ptr, ZR060_AF_HI, 0xff); + zr36060_write(ptr, ZR060_AF_M, 0xff); + zr36060_write(ptr, ZR060_AF_LO, 0xff); + + /* setup the variable jpeg tables */ + sum += zr36060_set_sof(ptr); + sum += zr36060_set_sos(ptr); + sum += zr36060_set_dri(ptr); + + /* setup the fixed jpeg tables - maybe variable, though - + * (see table init section above) */ + sum += + zr36060_pushit(ptr, ZR060_DQT_IDX, sizeof(zr36060_dqt), + zr36060_dqt); + sum += + zr36060_pushit(ptr, ZR060_DHT_IDX, sizeof(zr36060_dht), + zr36060_dht); + zr36060_write(ptr, ZR060_APP_IDX, 0xff); + zr36060_write(ptr, ZR060_APP_IDX + 1, 0xe0 + ptr->app.appn); + zr36060_write(ptr, ZR060_APP_IDX + 2, 0x00); + zr36060_write(ptr, ZR060_APP_IDX + 3, ptr->app.len + 2); + sum += zr36060_pushit(ptr, ZR060_APP_IDX + 4, 60, + ptr->app.data) + 4; + zr36060_write(ptr, ZR060_COM_IDX, 0xff); + zr36060_write(ptr, ZR060_COM_IDX + 1, 0xfe); + zr36060_write(ptr, ZR060_COM_IDX + 2, 0x00); + zr36060_write(ptr, ZR060_COM_IDX + 3, ptr->com.len + 2); + sum += zr36060_pushit(ptr, ZR060_COM_IDX + 4, 60, + ptr->com.data) + 4; + + /* setup misc. data for compression (target code sizes) */ + + /* size of compressed code to reach without header data */ + sum = ptr->real_code_vol - sum; + bitcnt = sum << 3; /* need the size in bits */ + + tmp = bitcnt >> 16; + dprintk(3, + "%s: code: csize=%d, tot=%d, bit=%ld, highbits=%ld\n", + ptr->name, sum, ptr->real_code_vol, bitcnt, tmp); + zr36060_write(ptr, ZR060_TCV_NET_HI, tmp >> 8); + zr36060_write(ptr, ZR060_TCV_NET_MH, tmp & 0xff); + tmp = bitcnt & 0xffff; + zr36060_write(ptr, ZR060_TCV_NET_ML, tmp >> 8); + zr36060_write(ptr, ZR060_TCV_NET_LO, tmp & 0xff); + + bitcnt -= bitcnt >> 7; // bits without stuffing + bitcnt -= ((bitcnt * 5) >> 6); // bits without eob + + tmp = bitcnt >> 16; + dprintk(3, "%s: code: nettobit=%ld, highnettobits=%ld\n", + ptr->name, bitcnt, tmp); + zr36060_write(ptr, ZR060_TCV_DATA_HI, tmp >> 8); + zr36060_write(ptr, ZR060_TCV_DATA_MH, tmp & 0xff); + tmp = bitcnt & 0xffff; + zr36060_write(ptr, ZR060_TCV_DATA_ML, tmp >> 8); + zr36060_write(ptr, ZR060_TCV_DATA_LO, tmp & 0xff); + + /* JPEG markers to be included in the compressed stream */ + zr36060_write(ptr, ZR060_MER, + ZR060_MER_DQT | ZR060_MER_DHT | + ((ptr->com.len > 0) ? ZR060_MER_Com : 0) | + ((ptr->app.len > 0) ? ZR060_MER_App : 0)); + + /* Setup the Video Frontend */ + /* Limit pixel range to 16..235 as per CCIR-601 */ + zr36060_write(ptr, ZR060_VCR, ZR060_VCR_Range); + + } else { + dprintk(2, "%s: EXPANSION SETUP\n", ptr->name); + + zr36060_write(ptr, ZR060_LOAD, ZR060_LOAD_SyncRst); + + /* 060 communicates with 067 in master mode */ + zr36060_write(ptr, ZR060_CIR, ZR060_CIR_CodeMstr); + + /* Decompression */ + zr36060_write(ptr, ZR060_CMR, 0); + + /* Must be zero */ + zr36060_write(ptr, ZR060_MBZ, 0x00); + zr36060_write(ptr, ZR060_TCR_HI, 0x00); + zr36060_write(ptr, ZR060_TCR_LO, 0x00); + + /* Disable all IRQs - no DataErr means autoreset */ + zr36060_write(ptr, ZR060_IMR, 0); + + /* setup misc. data for expansion */ + zr36060_write(ptr, ZR060_MER, 0); + + /* setup the fixed jpeg tables - maybe variable, though - + * (see table init section above) */ + zr36060_pushit(ptr, ZR060_DHT_IDX, sizeof(zr36060_dht), + zr36060_dht); + + /* Setup the Video Frontend */ + //zr36060_write(ptr, ZR060_VCR, ZR060_VCR_FIExt); + //this doesn't seem right and doesn't work... + zr36060_write(ptr, ZR060_VCR, ZR060_VCR_Range); + } + + /* Load the tables */ + zr36060_write(ptr, ZR060_LOAD, + ZR060_LOAD_SyncRst | ZR060_LOAD_Load); + zr36060_wait_end(ptr); + dprintk(2, "%s: Status after table preload: 0x%02x\n", ptr->name, + ptr->status); + + if (ptr->status & ZR060_CFSR_Busy) { + dprintk(1, KERN_ERR "%s: init aborted!\n", ptr->name); + return; // something is wrong, its timed out!!!! + } +} + +/* ========================================================================= + CODEC API FUNCTIONS + + this functions are accessed by the master via the API structure + ========================================================================= */ + +/* set compression/expansion mode and launches codec - + this should be the last call from the master before starting processing */ +static int +zr36060_set_mode (struct videocodec *codec, + int mode) +{ + struct zr36060 *ptr = (struct zr36060 *) codec->data; + + dprintk(2, "%s: set_mode %d call\n", ptr->name, mode); + + if ((mode != CODEC_DO_EXPANSION) && (mode != CODEC_DO_COMPRESSION)) + return -EINVAL; + + ptr->mode = mode; + zr36060_init(ptr); + + return 0; +} + +/* set picture size (norm is ignored as the codec doesn't know about it) */ +static int +zr36060_set_video (struct videocodec *codec, + struct tvnorm *norm, + struct vfe_settings *cap, + struct vfe_polarity *pol) +{ + struct zr36060 *ptr = (struct zr36060 *) codec->data; + u32 reg; + int size; + + dprintk(2, "%s: set_video %d/%d-%dx%d (%%%d) call\n", ptr->name, + cap->x, cap->y, cap->width, cap->height, cap->decimation); + + /* if () return -EINVAL; + * trust the master driver that it knows what it does - so + * we allow invalid startx/y and norm for now ... */ + ptr->width = cap->width / (cap->decimation & 0xff); + ptr->height = cap->height / (cap->decimation >> 8); + + zr36060_write(ptr, ZR060_LOAD, ZR060_LOAD_SyncRst); + + /* Note that VSPol/HSPol bits in zr36060 have the opposite + * meaning of their zr360x7 counterparts with the same names + * N.b. for VSPol this is only true if FIVEdge = 0 (default, + * left unchanged here - in accordance with datasheet). + */ + reg = (!pol->vsync_pol ? ZR060_VPR_VSPol : 0) + | (!pol->hsync_pol ? ZR060_VPR_HSPol : 0) + | (pol->field_pol ? ZR060_VPR_FIPol : 0) + | (pol->blank_pol ? ZR060_VPR_BLPol : 0) + | (pol->subimg_pol ? ZR060_VPR_SImgPol : 0) + | (pol->poe_pol ? ZR060_VPR_PoePol : 0) + | (pol->pvalid_pol ? ZR060_VPR_PValPol : 0) + | (pol->vclk_pol ? ZR060_VPR_VCLKPol : 0); + zr36060_write(ptr, ZR060_VPR, reg); + + reg = 0; + switch (cap->decimation & 0xff) { + default: + case 1: + break; + + case 2: + reg |= ZR060_SR_HScale2; + break; + + case 4: + reg |= ZR060_SR_HScale4; + break; + } + + switch (cap->decimation >> 8) { + default: + case 1: + break; + + case 2: + reg |= ZR060_SR_VScale; + break; + } + zr36060_write(ptr, ZR060_SR, reg); + + zr36060_write(ptr, ZR060_BCR_Y, 0x00); + zr36060_write(ptr, ZR060_BCR_U, 0x80); + zr36060_write(ptr, ZR060_BCR_V, 0x80); + + /* sync generator */ + + reg = norm->Ht - 1; /* Vtotal */ + zr36060_write(ptr, ZR060_SGR_VTOTAL_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SGR_VTOTAL_LO, (reg >> 0) & 0xff); + + reg = norm->Wt - 1; /* Htotal */ + zr36060_write(ptr, ZR060_SGR_HTOTAL_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SGR_HTOTAL_LO, (reg >> 0) & 0xff); + + reg = 6 - 1; /* VsyncSize */ + zr36060_write(ptr, ZR060_SGR_VSYNC, reg); + + //reg = 30 - 1; /* HsyncSize */ +///*CP*/ reg = (zr->params.norm == 1 ? 57 : 68); + reg = 68; + zr36060_write(ptr, ZR060_SGR_HSYNC, reg); + + reg = norm->VStart - 1; /* BVstart */ + zr36060_write(ptr, ZR060_SGR_BVSTART, reg); + + reg += norm->Ha / 2; /* BVend */ + zr36060_write(ptr, ZR060_SGR_BVEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SGR_BVEND_LO, (reg >> 0) & 0xff); + + reg = norm->HStart - 1; /* BHstart */ + zr36060_write(ptr, ZR060_SGR_BHSTART, reg); + + reg += norm->Wa; /* BHend */ + zr36060_write(ptr, ZR060_SGR_BHEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SGR_BHEND_LO, (reg >> 0) & 0xff); + + /* active area */ + reg = cap->y + norm->VStart; /* Vstart */ + zr36060_write(ptr, ZR060_AAR_VSTART_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_AAR_VSTART_LO, (reg >> 0) & 0xff); + + reg += cap->height; /* Vend */ + zr36060_write(ptr, ZR060_AAR_VEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_AAR_VEND_LO, (reg >> 0) & 0xff); + + reg = cap->x + norm->HStart; /* Hstart */ + zr36060_write(ptr, ZR060_AAR_HSTART_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_AAR_HSTART_LO, (reg >> 0) & 0xff); + + reg += cap->width; /* Hend */ + zr36060_write(ptr, ZR060_AAR_HEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_AAR_HEND_LO, (reg >> 0) & 0xff); + + /* subimage area */ + reg = norm->VStart - 4; /* SVstart */ + zr36060_write(ptr, ZR060_SWR_VSTART_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SWR_VSTART_LO, (reg >> 0) & 0xff); + + reg += norm->Ha / 2 + 8; /* SVend */ + zr36060_write(ptr, ZR060_SWR_VEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SWR_VEND_LO, (reg >> 0) & 0xff); + + reg = norm->HStart /*+ 64 */ - 4; /* SHstart */ + zr36060_write(ptr, ZR060_SWR_HSTART_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SWR_HSTART_LO, (reg >> 0) & 0xff); + + reg += norm->Wa + 8; /* SHend */ + zr36060_write(ptr, ZR060_SWR_HEND_HI, (reg >> 8) & 0xff); + zr36060_write(ptr, ZR060_SWR_HEND_LO, (reg >> 0) & 0xff); + + size = ptr->width * ptr->height; + /* Target compressed field size in bits: */ + size = size * 16; /* uncompressed size in bits */ + /* (Ronald) by default, quality = 100 is a compression + * ratio 1:2. Setting low_bitrate (insmod option) sets + * it to 1:4 (instead of 1:2, zr36060 max) as limit because the + * buz can't handle more at decimation=1... Use low_bitrate if + * you have a Buz, unless you know what you're doing */ + size = size * cap->quality / (low_bitrate ? 400 : 200); + /* Lower limit (arbitrary, 1 KB) */ + if (size < 8192) + size = 8192; + /* Upper limit: 7/8 of the code buffers */ + if (size > ptr->total_code_vol * 7) + size = ptr->total_code_vol * 7; + + ptr->real_code_vol = size >> 3; /* in bytes */ + + /* the MBCVR is the *maximum* block volume, according to the + * JPEG ISO specs, this shouldn't be used, since that allows + * for the best encoding quality. So set it to it's max value */ + reg = ptr->max_block_vol; + zr36060_write(ptr, ZR060_MBCVR, reg); + + return 0; +} + +/* additional control functions */ +static int +zr36060_control (struct videocodec *codec, + int type, + int size, + void *data) +{ + struct zr36060 *ptr = (struct zr36060 *) codec->data; + int *ival = (int *) data; + + dprintk(2, "%s: control %d call with %d byte\n", ptr->name, type, + size); + + switch (type) { + case CODEC_G_STATUS: /* get last status */ + if (size != sizeof(int)) + return -EFAULT; + zr36060_read_status(ptr); + *ival = ptr->status; + break; + + case CODEC_G_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + *ival = CODEC_MODE_BJPG; + break; + + case CODEC_S_CODEC_MODE: + if (size != sizeof(int)) + return -EFAULT; + if (*ival != CODEC_MODE_BJPG) + return -EINVAL; + /* not needed, do nothing */ + return 0; + + case CODEC_G_VFE: + case CODEC_S_VFE: + /* not needed, do nothing */ + return 0; + + case CODEC_S_MMAP: + /* not available, give an error */ + return -ENXIO; + + case CODEC_G_JPEG_TDS_BYTE: /* get target volume in byte */ + if (size != sizeof(int)) + return -EFAULT; + *ival = ptr->total_code_vol; + break; + + case CODEC_S_JPEG_TDS_BYTE: /* get target volume in byte */ + if (size != sizeof(int)) + return -EFAULT; + ptr->total_code_vol = *ival; + ptr->real_code_vol = (ptr->total_code_vol * 6) >> 3; + break; + + case CODEC_G_JPEG_SCALE: /* get scaling factor */ + if (size != sizeof(int)) + return -EFAULT; + *ival = zr36060_read_scalefactor(ptr); + break; + + case CODEC_S_JPEG_SCALE: /* set scaling factor */ + if (size != sizeof(int)) + return -EFAULT; + ptr->scalefact = *ival; + break; + + case CODEC_G_JPEG_APP_DATA: { /* get appn marker data */ + struct jpeg_app_marker *app = data; + + if (size != sizeof(struct jpeg_app_marker)) + return -EFAULT; + + *app = ptr->app; + break; + } + + case CODEC_S_JPEG_APP_DATA: { /* set appn marker data */ + struct jpeg_app_marker *app = data; + + if (size != sizeof(struct jpeg_app_marker)) + return -EFAULT; + + ptr->app = *app; + break; + } + + case CODEC_G_JPEG_COM_DATA: { /* get comment marker data */ + struct jpeg_com_marker *com = data; + + if (size != sizeof(struct jpeg_com_marker)) + return -EFAULT; + + *com = ptr->com; + break; + } + + case CODEC_S_JPEG_COM_DATA: { /* set comment marker data */ + struct jpeg_com_marker *com = data; + + if (size != sizeof(struct jpeg_com_marker)) + return -EFAULT; + + ptr->com = *com; + break; + } + + default: + return -EINVAL; + } + + return size; +} + +/* ========================================================================= + Exit and unregister function: + + Deinitializes Zoran's JPEG processor + ========================================================================= */ + +static int +zr36060_unset (struct videocodec *codec) +{ + struct zr36060 *ptr = codec->data; + + if (ptr) { + /* do wee need some codec deinit here, too ???? */ + + dprintk(1, "%s: finished codec #%d\n", ptr->name, + ptr->num); + kfree(ptr); + codec->data = NULL; + + zr36060_codecs--; + return 0; + } + + return -EFAULT; +} + +/* ========================================================================= + Setup and registry function: + + Initializes Zoran's JPEG processor + + Also sets pixel size, average code size, mode (compr./decompr.) + (the given size is determined by the processor with the video interface) + ========================================================================= */ + +static int +zr36060_setup (struct videocodec *codec) +{ + struct zr36060 *ptr; + int res; + + dprintk(2, "zr36060: initializing MJPEG subsystem #%d.\n", + zr36060_codecs); + + if (zr36060_codecs == MAX_CODECS) { + dprintk(1, + KERN_ERR "zr36060: Can't attach more codecs!\n"); + return -ENOSPC; + } + //mem structure init + codec->data = ptr = kzalloc(sizeof(struct zr36060), GFP_KERNEL); + if (NULL == ptr) { + dprintk(1, KERN_ERR "zr36060: Can't get enough memory!\n"); + return -ENOMEM; + } + + snprintf(ptr->name, sizeof(ptr->name), "zr36060[%d]", + zr36060_codecs); + ptr->num = zr36060_codecs++; + ptr->codec = codec; + + //testing + res = zr36060_basic_test(ptr); + if (res < 0) { + zr36060_unset(codec); + return res; + } + //final setup + memcpy(ptr->h_samp_ratio, zr36060_decimation_h, 8); + memcpy(ptr->v_samp_ratio, zr36060_decimation_v, 8); + + ptr->bitrate_ctrl = 0; /* 0 or 1 - fixed file size flag + * (what is the difference?) */ + ptr->mode = CODEC_DO_COMPRESSION; + ptr->width = 384; + ptr->height = 288; + ptr->total_code_vol = 16000; /* CHECKME */ + ptr->real_code_vol = (ptr->total_code_vol * 6) >> 3; + ptr->max_block_vol = 240; /* CHECKME, was 120 is 240 */ + ptr->scalefact = 0x100; + ptr->dri = 1; /* CHECKME, was 8 is 1 */ + + /* by default, no COM or APP markers - app should set those */ + ptr->com.len = 0; + ptr->app.appn = 0; + ptr->app.len = 0; + + zr36060_init(ptr); + + dprintk(1, KERN_INFO "%s: codec attached and running\n", + ptr->name); + + return 0; +} + +static const struct videocodec zr36060_codec = { + .owner = THIS_MODULE, + .name = "zr36060", + .magic = 0L, // magic not used + .flags = + CODEC_FLAG_JPEG | CODEC_FLAG_HARDWARE | CODEC_FLAG_ENCODER | + CODEC_FLAG_DECODER | CODEC_FLAG_VFE, + .type = CODEC_TYPE_ZR36060, + .setup = zr36060_setup, // functionality + .unset = zr36060_unset, + .set_mode = zr36060_set_mode, + .set_video = zr36060_set_video, + .control = zr36060_control, + // others are not used +}; + +/* ========================================================================= + HOOK IN DRIVER AS KERNEL MODULE + ========================================================================= */ + +static int __init +zr36060_init_module (void) +{ + //dprintk(1, "zr36060 driver %s\n",ZR060_VERSION); + zr36060_codecs = 0; + return videocodec_register(&zr36060_codec); +} + +static void __exit +zr36060_cleanup_module (void) +{ + if (zr36060_codecs) { + dprintk(1, + "zr36060: something's wrong - %d codecs left somehow.\n", + zr36060_codecs); + } + + /* however, we can't just stay alive */ + videocodec_unregister(&zr36060_codec); +} + +module_init(zr36060_init_module); +module_exit(zr36060_cleanup_module); + +MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@skynet.be>"); +MODULE_DESCRIPTION("Driver module for ZR36060 jpeg processors " + ZR060_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/zoran/zr36060.h b/drivers/media/video/zoran/zr36060.h new file mode 100644 index 00000000000..914ffa4ad8d --- /dev/null +++ b/drivers/media/video/zoran/zr36060.h @@ -0,0 +1,220 @@ +/* + * Zoran ZR36060 basic configuration functions - header file + * + * Copyright (C) 2002 Laurent Pinchart <laurent.pinchart@skynet.be> + * + * $Id: zr36060.h,v 1.1.1.1.2.3 2003/01/14 21:18:47 rbultje Exp $ + * + * ------------------------------------------------------------------------ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * ------------------------------------------------------------------------ + */ + +#ifndef ZR36060_H +#define ZR36060_H + +#include "videocodec.h" + +/* data stored for each zoran jpeg codec chip */ +struct zr36060 { + char name[32]; + int num; + /* io datastructure */ + struct videocodec *codec; + // last coder status + __u8 status; + // actual coder setup + int mode; + + __u16 width; + __u16 height; + + __u16 bitrate_ctrl; + + __u32 total_code_vol; + __u32 real_code_vol; + __u16 max_block_vol; + + __u8 h_samp_ratio[8]; + __u8 v_samp_ratio[8]; + __u16 scalefact; + __u16 dri; + + /* app/com marker data */ + struct jpeg_app_marker app; + struct jpeg_com_marker com; +}; + +/* ZR36060 register addresses */ +#define ZR060_LOAD 0x000 +#define ZR060_CFSR 0x001 +#define ZR060_CIR 0x002 +#define ZR060_CMR 0x003 +#define ZR060_MBZ 0x004 +#define ZR060_MBCVR 0x005 +#define ZR060_MER 0x006 +#define ZR060_IMR 0x007 +#define ZR060_ISR 0x008 +#define ZR060_TCV_NET_HI 0x009 +#define ZR060_TCV_NET_MH 0x00a +#define ZR060_TCV_NET_ML 0x00b +#define ZR060_TCV_NET_LO 0x00c +#define ZR060_TCV_DATA_HI 0x00d +#define ZR060_TCV_DATA_MH 0x00e +#define ZR060_TCV_DATA_ML 0x00f +#define ZR060_TCV_DATA_LO 0x010 +#define ZR060_SF_HI 0x011 +#define ZR060_SF_LO 0x012 +#define ZR060_AF_HI 0x013 +#define ZR060_AF_M 0x014 +#define ZR060_AF_LO 0x015 +#define ZR060_ACV_HI 0x016 +#define ZR060_ACV_MH 0x017 +#define ZR060_ACV_ML 0x018 +#define ZR060_ACV_LO 0x019 +#define ZR060_ACT_HI 0x01a +#define ZR060_ACT_MH 0x01b +#define ZR060_ACT_ML 0x01c +#define ZR060_ACT_LO 0x01d +#define ZR060_ACV_TRUN_HI 0x01e +#define ZR060_ACV_TRUN_MH 0x01f +#define ZR060_ACV_TRUN_ML 0x020 +#define ZR060_ACV_TRUN_LO 0x021 +#define ZR060_IDR_DEV 0x022 +#define ZR060_IDR_REV 0x023 +#define ZR060_TCR_HI 0x024 +#define ZR060_TCR_LO 0x025 +#define ZR060_VCR 0x030 +#define ZR060_VPR 0x031 +#define ZR060_SR 0x032 +#define ZR060_BCR_Y 0x033 +#define ZR060_BCR_U 0x034 +#define ZR060_BCR_V 0x035 +#define ZR060_SGR_VTOTAL_HI 0x036 +#define ZR060_SGR_VTOTAL_LO 0x037 +#define ZR060_SGR_HTOTAL_HI 0x038 +#define ZR060_SGR_HTOTAL_LO 0x039 +#define ZR060_SGR_VSYNC 0x03a +#define ZR060_SGR_HSYNC 0x03b +#define ZR060_SGR_BVSTART 0x03c +#define ZR060_SGR_BHSTART 0x03d +#define ZR060_SGR_BVEND_HI 0x03e +#define ZR060_SGR_BVEND_LO 0x03f +#define ZR060_SGR_BHEND_HI 0x040 +#define ZR060_SGR_BHEND_LO 0x041 +#define ZR060_AAR_VSTART_HI 0x042 +#define ZR060_AAR_VSTART_LO 0x043 +#define ZR060_AAR_VEND_HI 0x044 +#define ZR060_AAR_VEND_LO 0x045 +#define ZR060_AAR_HSTART_HI 0x046 +#define ZR060_AAR_HSTART_LO 0x047 +#define ZR060_AAR_HEND_HI 0x048 +#define ZR060_AAR_HEND_LO 0x049 +#define ZR060_SWR_VSTART_HI 0x04a +#define ZR060_SWR_VSTART_LO 0x04b +#define ZR060_SWR_VEND_HI 0x04c +#define ZR060_SWR_VEND_LO 0x04d +#define ZR060_SWR_HSTART_HI 0x04e +#define ZR060_SWR_HSTART_LO 0x04f +#define ZR060_SWR_HEND_HI 0x050 +#define ZR060_SWR_HEND_LO 0x051 + +#define ZR060_SOF_IDX 0x060 +#define ZR060_SOS_IDX 0x07a +#define ZR060_DRI_IDX 0x0c0 +#define ZR060_DQT_IDX 0x0cc +#define ZR060_DHT_IDX 0x1d4 +#define ZR060_APP_IDX 0x380 +#define ZR060_COM_IDX 0x3c0 + +/* ZR36060 LOAD register bits */ + +#define ZR060_LOAD_Load (1 << 7) +#define ZR060_LOAD_SyncRst (1 << 0) + +/* ZR36060 Code FIFO Status register bits */ + +#define ZR060_CFSR_Busy (1 << 7) +#define ZR060_CFSR_CBusy (1 << 2) +#define ZR060_CFSR_CFIFO (3 << 0) + +/* ZR36060 Code Interface register */ + +#define ZR060_CIR_Code16 (1 << 7) +#define ZR060_CIR_Endian (1 << 6) +#define ZR060_CIR_CFIS (1 << 2) +#define ZR060_CIR_CodeMstr (1 << 0) + +/* ZR36060 Codec Mode register */ + +#define ZR060_CMR_Comp (1 << 7) +#define ZR060_CMR_ATP (1 << 6) +#define ZR060_CMR_Pass2 (1 << 5) +#define ZR060_CMR_TLM (1 << 4) +#define ZR060_CMR_BRB (1 << 2) +#define ZR060_CMR_FSF (1 << 1) + +/* ZR36060 Markers Enable register */ + +#define ZR060_MER_App (1 << 7) +#define ZR060_MER_Com (1 << 6) +#define ZR060_MER_DRI (1 << 5) +#define ZR060_MER_DQT (1 << 4) +#define ZR060_MER_DHT (1 << 3) + +/* ZR36060 Interrupt Mask register */ + +#define ZR060_IMR_EOAV (1 << 3) +#define ZR060_IMR_EOI (1 << 2) +#define ZR060_IMR_End (1 << 1) +#define ZR060_IMR_DataErr (1 << 0) + +/* ZR36060 Interrupt Status register */ + +#define ZR060_ISR_ProCnt (3 << 6) +#define ZR060_ISR_EOAV (1 << 3) +#define ZR060_ISR_EOI (1 << 2) +#define ZR060_ISR_End (1 << 1) +#define ZR060_ISR_DataErr (1 << 0) + +/* ZR36060 Video Control register */ + +#define ZR060_VCR_Video8 (1 << 7) +#define ZR060_VCR_Range (1 << 6) +#define ZR060_VCR_FIDet (1 << 3) +#define ZR060_VCR_FIVedge (1 << 2) +#define ZR060_VCR_FIExt (1 << 1) +#define ZR060_VCR_SyncMstr (1 << 0) + +/* ZR36060 Video Polarity register */ + +#define ZR060_VPR_VCLKPol (1 << 7) +#define ZR060_VPR_PValPol (1 << 6) +#define ZR060_VPR_PoePol (1 << 5) +#define ZR060_VPR_SImgPol (1 << 4) +#define ZR060_VPR_BLPol (1 << 3) +#define ZR060_VPR_FIPol (1 << 2) +#define ZR060_VPR_HSPol (1 << 1) +#define ZR060_VPR_VSPol (1 << 0) + +/* ZR36060 Scaling register */ + +#define ZR060_SR_VScale (1 << 2) +#define ZR060_SR_HScale2 (1 << 0) +#define ZR060_SR_HScale4 (2 << 0) + +#endif /*fndef ZR36060_H */ |