diff options
| author | Manu Abraham <manu@linuxtv.org> | 2006-03-17 12:07:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-03-24 16:26:50 -0300 |
| commit | faecfb1760325613debd8df9b9374ce4a28c01d9 (patch) | |
| tree | 844e0446e82f07c5d8007d62f7e3a842987e194b /drivers/media/video/bttv-driver.c | |
| parent | 280323ddbc595c463f89c30f3f0f823b076bb4e3 (diff) | |
V4L/DVB (3539): Move bttv fragments to bt8xx/
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/bttv-driver.c')
| -rw-r--r-- | drivers/media/video/bttv-driver.c | 4265 |
1 files changed, 0 insertions, 4265 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c deleted file mode 100644 index 2505ae5a7b9..00000000000 --- a/drivers/media/video/bttv-driver.c +++ /dev/null @@ -1,4265 +0,0 @@ -/* - - bttv - Bt848 frame grabber driver - - Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de> - & Marcus Metzler <mocm@thp.uni-koeln.de> - (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org> - - some v4l2 code lines are taken from Justin's bttv2 driver which is - (c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za> - - 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/init.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/kdev_t.h> -#include "bttvp.h" -#include <media/v4l2-common.h> - -#include <linux/dma-mapping.h> - -#include <asm/io.h> -#include <asm/byteorder.h> - -#include "rds.h" - - -unsigned int bttv_num; /* number of Bt848s in use */ -struct bttv bttvs[BTTV_MAX]; - -unsigned int bttv_debug; -unsigned int bttv_verbose = 1; -unsigned int bttv_gpio; - -/* config variables */ -#ifdef __BIG_ENDIAN -static unsigned int bigendian=1; -#else -static unsigned int bigendian; -#endif -static unsigned int radio[BTTV_MAX]; -static unsigned int irq_debug; -static unsigned int gbuffers = 8; -static unsigned int gbufsize = 0x208000; - -static int video_nr = -1; -static int radio_nr = -1; -static int vbi_nr = -1; -static int debug_latency; - -static unsigned int fdsr; - -/* options */ -static unsigned int combfilter; -static unsigned int lumafilter; -static unsigned int automute = 1; -static unsigned int chroma_agc; -static unsigned int adc_crush = 1; -static unsigned int whitecrush_upper = 0xCF; -static unsigned int whitecrush_lower = 0x7F; -static unsigned int vcr_hack; -static unsigned int irq_iswitch; -static unsigned int uv_ratio = 50; -static unsigned int full_luma_range; -static unsigned int coring; -extern int no_overlay; - -/* API features (turn on/off stuff for testing) */ -static unsigned int v4l2 = 1; - -/* insmod args */ -module_param(bttv_verbose, int, 0644); -module_param(bttv_gpio, int, 0644); -module_param(bttv_debug, int, 0644); -module_param(irq_debug, int, 0644); -module_param(debug_latency, int, 0644); - -module_param(fdsr, int, 0444); -module_param(video_nr, int, 0444); -module_param(radio_nr, int, 0444); -module_param(vbi_nr, int, 0444); -module_param(gbuffers, int, 0444); -module_param(gbufsize, int, 0444); - -module_param(v4l2, int, 0644); -module_param(bigendian, int, 0644); -module_param(irq_iswitch, int, 0644); -module_param(combfilter, int, 0444); -module_param(lumafilter, int, 0444); -module_param(automute, int, 0444); -module_param(chroma_agc, int, 0444); -module_param(adc_crush, int, 0444); -module_param(whitecrush_upper, int, 0444); -module_param(whitecrush_lower, int, 0444); -module_param(vcr_hack, int, 0444); -module_param(uv_ratio, int, 0444); -module_param(full_luma_range, int, 0444); -module_param(coring, int, 0444); - -module_param_array(radio, int, NULL, 0444); - -MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); -MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); -MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)"); -MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)"); -MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)"); -MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)"); -MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8"); -MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000"); -MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)"); -MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)"); -MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)"); -MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207"); -MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127"); -MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)"); -MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); -MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); -MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); -MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); - -MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); -MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); -MODULE_LICENSE("GPL"); - -/* ----------------------------------------------------------------------- */ -/* sysfs */ - -static ssize_t show_card(struct class_device *cd, char *buf) -{ - struct video_device *vfd = to_video_device(cd); - struct bttv *btv = dev_get_drvdata(vfd->dev); - return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); -} -static CLASS_DEVICE_ATTR(card, S_IRUGO, show_card, NULL); - -/* ----------------------------------------------------------------------- */ -/* static data */ - -/* special timing tables from conexant... */ -static u8 SRAM_Table[][60] = -{ - /* PAL digital input over GPIO[7:0] */ - { - 45, // 45 bytes following - 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16, - 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00, - 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00, - 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37, - 0x37,0x00,0xAF,0x21,0x00 - }, - /* NTSC digital input over GPIO[7:0] */ - { - 51, // 51 bytes following - 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06, - 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00, - 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07, - 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6, - 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21, - 0x00, - }, - // TGB_NTSC392 // quartzsight - // This table has been modified to be used for Fusion Rev D - { - 0x2A, // size of table = 42 - 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24, - 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10, - 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00, - 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3, - 0x20, 0x00 - } -}; - -const struct bttv_tvnorm bttv_tvnorms[] = { - /* PAL-BDGHI */ - /* max. active video is actually 922, but 924 is divisible by 4 and 3! */ - /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */ - { - .v4l2_id = V4L2_STD_PAL, - .name = "PAL", - .Fsc = 35468950, - .swidth = 924, - .sheight = 576, - .totalwidth = 1135, - .adelay = 0x7f, - .bdelay = 0x72, - .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), - .scaledtwidth = 1135, - .hdelayx1 = 186, - .hactivex1 = 924, - .vdelay = 0x20, - .vbipack = 255, - .sram = 0, - /* ITU-R frame line number of the first VBI line - we can capture, of the first and second field. */ - .vbistart = { 7,320 }, - },{ - .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, - .name = "NTSC", - .Fsc = 28636363, - .swidth = 768, - .sheight = 480, - .totalwidth = 910, - .adelay = 0x68, - .bdelay = 0x5d, - .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0), - .scaledtwidth = 910, - .hdelayx1 = 128, - .hactivex1 = 910, - .vdelay = 0x1a, - .vbipack = 144, - .sram = 1, - .vbistart = { 10, 273 }, - },{ - .v4l2_id = V4L2_STD_SECAM, - .name = "SECAM", - .Fsc = 35468950, - .swidth = 924, - .sheight = 576, - .totalwidth = 1135, - .adelay = 0x7f, - .bdelay = 0xb0, - .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1), - .scaledtwidth = 1135, - .hdelayx1 = 186, - .hactivex1 = 922, - .vdelay = 0x20, - .vbipack = 255, - .sram = 0, /* like PAL, correct? */ - .vbistart = { 7, 320 }, - },{ - .v4l2_id = V4L2_STD_PAL_Nc, - .name = "PAL-Nc", - .Fsc = 28636363, - .swidth = 640, - .sheight = 576, - .totalwidth = 910, - .adelay = 0x68, - .bdelay = 0x5d, - .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0), - .scaledtwidth = 780, - .hdelayx1 = 130, - .hactivex1 = 734, - .vdelay = 0x1a, - .vbipack = 144, - .sram = -1, - .vbistart = { 7, 320 }, - },{ - .v4l2_id = V4L2_STD_PAL_M, - .name = "PAL-M", - .Fsc = 28636363, - .swidth = 640, - .sheight = 480, - .totalwidth = 910, - .adelay = 0x68, - .bdelay = 0x5d, - .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0), - .scaledtwidth = 780, - .hdelayx1 = 135, - .hactivex1 = 754, - .vdelay = 0x1a, - .vbipack = 144, - .sram = -1, - .vbistart = { 10, 273 }, - },{ - .v4l2_id = V4L2_STD_PAL_N, - .name = "PAL-N", - .Fsc = 35468950, - .swidth = 768, - .sheight = 576, - .totalwidth = 1135, - .adelay = 0x7f, - .bdelay = 0x72, - .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1), - .scaledtwidth = 944, - .hdelayx1 = 186, - .hactivex1 = 922, - .vdelay = 0x20, - .vbipack = 144, - .sram = -1, - .vbistart = { 7, 320}, - },{ - .v4l2_id = V4L2_STD_NTSC_M_JP, - .name = "NTSC-JP", - .Fsc = 28636363, - .swidth = 640, - .sheight = 480, - .totalwidth = 910, - .adelay = 0x68, - .bdelay = 0x5d, - .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0), - .scaledtwidth = 780, - .hdelayx1 = 135, - .hactivex1 = 754, - .vdelay = 0x16, - .vbipack = 144, - .sram = -1, - .vbistart = {10, 273}, - },{ - /* that one hopefully works with the strange timing - * which video recorders produce when playing a NTSC - * tape on a PAL TV ... */ - .v4l2_id = V4L2_STD_PAL_60, - .name = "PAL-60", - .Fsc = 35468950, - .swidth = 924, - .sheight = 480, - .totalwidth = 1135, - .adelay = 0x7f, - .bdelay = 0x72, - .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), - .scaledtwidth = 1135, - .hdelayx1 = 186, - .hactivex1 = 924, - .vdelay = 0x1a, - .vbipack = 255, - .vtotal = 524, - .sram = -1, - .vbistart = { 10, 273 }, - } -}; -static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms); - -/* ----------------------------------------------------------------------- */ -/* bttv format list - packed pixel formats must come first */ -static const struct bttv_format bttv_formats[] = { - { - .name = "8 bpp, gray", - .palette = VIDEO_PALETTE_GREY, - .fourcc = V4L2_PIX_FMT_GREY, - .btformat = BT848_COLOR_FMT_Y8, - .depth = 8, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "8 bpp, dithered color", - .palette = VIDEO_PALETTE_HI240, - .fourcc = V4L2_PIX_FMT_HI240, - .btformat = BT848_COLOR_FMT_RGB8, - .depth = 8, - .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER, - },{ - .name = "15 bpp RGB, le", - .palette = VIDEO_PALETTE_RGB555, - .fourcc = V4L2_PIX_FMT_RGB555, - .btformat = BT848_COLOR_FMT_RGB15, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "15 bpp RGB, be", - .palette = -1, - .fourcc = V4L2_PIX_FMT_RGB555X, - .btformat = BT848_COLOR_FMT_RGB15, - .btswap = 0x03, /* byteswap */ - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "16 bpp RGB, le", - .palette = VIDEO_PALETTE_RGB565, - .fourcc = V4L2_PIX_FMT_RGB565, - .btformat = BT848_COLOR_FMT_RGB16, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "16 bpp RGB, be", - .palette = -1, - .fourcc = V4L2_PIX_FMT_RGB565X, - .btformat = BT848_COLOR_FMT_RGB16, - .btswap = 0x03, /* byteswap */ - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "24 bpp RGB, le", - .palette = VIDEO_PALETTE_RGB24, - .fourcc = V4L2_PIX_FMT_BGR24, - .btformat = BT848_COLOR_FMT_RGB24, - .depth = 24, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "32 bpp RGB, le", - .palette = VIDEO_PALETTE_RGB32, - .fourcc = V4L2_PIX_FMT_BGR32, - .btformat = BT848_COLOR_FMT_RGB32, - .depth = 32, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "32 bpp RGB, be", - .palette = -1, - .fourcc = V4L2_PIX_FMT_RGB32, - .btformat = BT848_COLOR_FMT_RGB32, - .btswap = 0x0f, /* byte+word swap */ - .depth = 32, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, packed, YUYV", - .palette = VIDEO_PALETTE_YUV422, - .fourcc = V4L2_PIX_FMT_YUYV, - .btformat = BT848_COLOR_FMT_YUY2, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, packed, YUYV", - .palette = VIDEO_PALETTE_YUYV, - .fourcc = V4L2_PIX_FMT_YUYV, - .btformat = BT848_COLOR_FMT_YUY2, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, packed, UYVY", - .palette = VIDEO_PALETTE_UYVY, - .fourcc = V4L2_PIX_FMT_UYVY, - .btformat = BT848_COLOR_FMT_YUY2, - .btswap = 0x03, /* byteswap */ - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - },{ - .name = "4:2:2, planar, Y-Cb-Cr", - .palette = VIDEO_PALETTE_YUV422P, - .fourcc = V4L2_PIX_FMT_YUV422P, - .btformat = BT848_COLOR_FMT_YCrCb422, - .depth = 16, - .flags = FORMAT_FLAGS_PLANAR, - .hshift = 1, - .vshift = 0, - },{ - .name = "4:2:0, planar, Y-Cb-Cr", - .palette = VIDEO_PALETTE_YUV420P, - .fourcc = V4L2_PIX_FMT_YUV420, - .btformat = BT848_COLOR_FMT_YCrCb422, - .depth = 12, - .flags = FORMAT_FLAGS_PLANAR, - .hshift = 1, - .vshift = 1, - },{ - .name = "4:2:0, planar, Y-Cr-Cb", - .palette = -1, - .fourcc = V4L2_PIX_FMT_YVU420, - .btformat = BT848_COLOR_FMT_YCrCb422, - .depth = 12, - .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, - .hshift = 1, - .vshift = 1, - },{ - .name = "4:1:1, planar, Y-Cb-Cr", - .palette = VIDEO_PALETTE_YUV411P, - .fourcc = V4L2_PIX_FMT_YUV411P, - .btformat = BT848_COLOR_FMT_YCrCb411, - .depth = 12, - .flags = FORMAT_FLAGS_PLANAR, - .hshift = 2, - .vshift = 0, - },{ - .name = "4:1:0, planar, Y-Cb-Cr", - .palette = VIDEO_PALETTE_YUV410P, - .fourcc = V4L2_PIX_FMT_YUV410, - .btformat = BT848_COLOR_FMT_YCrCb411, - .depth = 9, - .flags = FORMAT_FLAGS_PLANAR, - .hshift = 2, - .vshift = 2, - },{ - .name = "4:1:0, planar, Y-Cr-Cb", - .palette = -1, - .fourcc = V4L2_PIX_FMT_YVU410, - .btformat = BT848_COLOR_FMT_YCrCb411, - .depth = 9, - .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, - .hshift = 2, - .vshift = 2, - },{ - .name = "raw scanlines", - .palette = VIDEO_PALETTE_RAW, - .fourcc = -1, - .btformat = BT848_COLOR_FMT_RAW, - .depth = 8, - .flags = FORMAT_FLAGS_RAW, - } -}; -static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats); - -/* ----------------------------------------------------------------------- */ - -#define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0) -#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1) -#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2) -#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3) -#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4) -#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5) -#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6) -#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7) -#define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8) -#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9) -#define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10) -#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11) - -static const struct v4l2_queryctrl no_ctl = { - .name = "42", - .flags = V4L2_CTRL_FLAG_DISABLED, -}; -static const struct v4l2_queryctrl bttv_ctls[] = { - /* --- video --- */ - { - .id = V4L2_CID_BRIGHTNESS, - .name = "Brightness", - .minimum = 0, - .maximum = 65535, - .step = 256, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_CONTRAST, - .name = "Contrast", - .minimum = 0, - .maximum = 65535, - .step = 128, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_SATURATION, - .name = "Saturation", - .minimum = 0, - .maximum = 65535, - .step = 128, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_HUE, - .name = "Hue", - .minimum = 0, - .maximum = 65535, - .step = 256, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - /* --- audio --- */ - { - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 65535, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_AUDIO_BALANCE, - .name = "Balance", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_AUDIO_BASS, - .name = "Bass", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_AUDIO_TREBLE, - .name = "Treble", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - }, - /* --- private --- */ - { - .id = V4L2_CID_PRIVATE_CHROMA_AGC, - .name = "chroma agc", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_COMBFILTER, - .name = "combfilter", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_AUTOMUTE, - .name = "automute", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_LUMAFILTER, - .name = "luma decimation filter", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_AGC_CRUSH, - .name = "agc crush", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_VCR_HACK, - .name = "vcr hack", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER, - .name = "whitecrush upper", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 0xCF, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER, - .name = "whitecrush lower", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 0x7F, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_PRIVATE_UV_RATIO, - .name = "uv ratio", - .minimum = 0, - .maximum = 100, - .step = 1, - .default_value = 50, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE, - .name = "full luma range", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_PRIVATE_CORING, - .name = "coring", - .minimum = 0, - .maximum = 3, - .step = 1, - .default_value = 0, - .type = V4L2_CTRL_TYPE_INTEGER, - } - - - -}; -static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls); - -/* ----------------------------------------------------------------------- */ -/* resource management */ - -static -int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit) -{ - if (fh->resources & bit) - /* have it already allocated */ - return 1; - - /* is it free? */ - mutex_lock(&btv->reslock); - if (btv->resources & bit) { - /* no, someone else uses it */ - mutex_unlock(&btv->reslock); - return 0; - } - /* it's free, grab it */ - fh->resources |= bit; - btv->resources |= bit; - mutex_unlock(&btv->reslock); - return 1; -} - -static -int check_btres(struct bttv_fh *fh, int bit) -{ - return (fh->resources & bit); -} - -static -int locked_btres(struct bttv *btv, int bit) -{ - return (btv->resources & bit); -} - -static -void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) -{ - if ((fh->resources & bits) != bits) { - /* trying to free ressources not allocated by us ... */ - printk("bttv: BUG! (btres)\n"); - } - mutex_lock(&btv->reslock); - fh->resources &= ~bits; - btv->resources &= ~bits; - mutex_unlock(&btv->reslock); -} - -/* ----------------------------------------------------------------------- */ -/* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */ - -/* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C - PLL_X = Reference pre-divider (0=1, 1=2) - PLL_C = Post divider (0=6, 1=4) - PLL_I = Integer input - PLL_F = Fractional input - - F_input = 28.636363 MHz: - PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0 -*/ - -static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) -{ - unsigned char fl, fh, fi; - - /* prevent overflows */ - fin/=4; - fout/=4; - - fout*=12; - fi=fout/fin; - - fout=(fout%fin)*256; - fh=fout/fin; - - fout=(fout%fin)*256; - fl=fout/fin; - - btwrite(fl, BT848_PLL_F_LO); - btwrite(fh, BT848_PLL_F_HI); - btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); -} - -static void set_pll(struct bttv *btv) -{ - int i; - - if (!btv->pll.pll_crystal) - return; - - if (btv->pll.pll_ofreq == btv->pll.pll_current) { - dprintk("bttv%d: PLL: no change required\n",btv->c.nr); - return; - } - - if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { - /* no PLL needed */ - if (btv->pll.pll_current == 0) - return; - bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", - btv->c.nr,btv->pll.pll_ifreq); - btwrite(0x00,BT848_TGCTRL); - btwrite(0x00,BT848_PLL_XCI); - btv->pll.pll_current = 0; - return; - } - - bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, - btv->pll.pll_ifreq, btv->pll.pll_ofreq); - set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); - - for (i=0; i<10; i++) { - /* Let other people run while the PLL stabilizes */ - bttv_printk("."); - msleep(10); - - if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { - btwrite(0,BT848_DSTATUS); - } else { - btwrite(0x08,BT848_TGCTRL); - btv->pll.pll_current = btv->pll.pll_ofreq; - bttv_printk(" ok\n"); - return; - } - } - btv->pll.pll_current = -1; - bttv_printk("failed\n"); - return; -} - -/* used to switch between the bt848's analog/digital video capture modes */ -static void bt848A_set_timing(struct bttv *btv) -{ - int i, len; - int table_idx = bttv_tvnorms[btv->tvnorm].sram; - int fsc = bttv_tvnorms[btv->tvnorm].Fsc; - - if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) { - dprintk("bttv%d: load digital timing table (table_idx=%d)\n", - btv->c.nr,table_idx); - - /* timing change...reset timing generator address */ - btwrite(0x00, BT848_TGCTRL); - btwrite(0x02, BT848_TGCTRL); - btwrite(0x00, BT848_TGCTRL); - - len=SRAM_Table[table_idx][0]; - for(i = 1; i <= len; i++) - btwrite(SRAM_Table[table_idx][i],BT848_TGLB); - btv->pll.pll_ofreq = 27000000; - - set_pll(btv); - btwrite(0x11, BT848_TGCTRL); - btwrite(0x41, BT848_DVSIF); - } else { - btv->pll.pll_ofreq = fsc; - set_pll(btv); - btwrite(0x0, BT848_DVSIF); - } -} - -/* ----------------------------------------------------------------------- */ - -static void bt848_bright(struct bttv *btv, int bright) -{ - int value; - - // printk("bttv: set bright: %d\n",bright); // DEBUG - btv->bright = bright; - - /* We want -128 to 127 we get 0-65535 */ - value = (bright >> 8) - 128; - btwrite(value & 0xff, BT848_BRIGHT); -} - -static void bt848_hue(struct bttv *btv, int hue) -{ - int value; - - btv->hue = hue; - - /* -128 to 127 */ - value = (hue >> 8) - 128; - btwrite(value & 0xff, BT848_HUE); -} - -static void bt848_contrast(struct bttv *btv, int cont) -{ - int value,hibit; - - btv->contrast = cont; - - /* 0-511 */ - value = (cont >> 7); - hibit = (value >> 6) & 4; - btwrite(value & 0xff, BT848_CONTRAST_LO); - btaor(hibit, ~4, BT848_E_CONTROL); - btaor(hibit, ~4, BT848_O_CONTROL); -} - -static void bt848_sat(struct bttv *btv, int color) -{ - int val_u,val_v,hibits; - - btv->saturation = color; - - /* 0-511 for the color */ - val_u = ((color * btv->opt_uv_ratio) / 50) >> 7; - val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254; - hibits = (val_u >> 7) & 2; - hibits |= (val_v >> 8) & 1; - btwrite(val_u & 0xff, BT848_SAT_U_LO); - btwrite(val_v & 0xff, BT848_SAT_V_LO); - btaor(hibits, ~3, BT848_E_CONTROL); - btaor(hibits, ~3, BT848_O_CONTROL); -} - -/* ----------------------------------------------------------------------- */ - -static int -video_mux(struct bttv *btv, unsigned int input) -{ - int mux,mask2; - - if (input >= bttv_tvcards[btv->c.type].video_inputs) - return -EINVAL; - - /* needed by RemoteVideo MX */ - mask2 = bttv_tvcards[btv->c.type].gpiomask2; - if (mask2) - gpio_inout(mask2,mask2); - - if (input == btv->svhs) { - btor(BT848_CONTROL_COMP, BT848_E_CONTROL); - btor(BT848_CONTROL_COMP, BT848_O_CONTROL); - } else { - btand(~BT848_CONTROL_COMP, BT848_E_CONTROL); - btand(~BT848_CONTROL_COMP, BT848_O_CONTROL); - } - mux = bttv_tvcards[btv->c.type].muxsel[input] & 3; - btaor(mux<<5, ~(3<<5), BT848_IFORM); - dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n", - btv->c.nr,input,mux); - - /* card specific hook */ - if(bttv_tvcards[btv->c.type].muxsel_hook) - bttv_tvcards[btv->c.type].muxsel_hook (btv, input); - return 0; -} - -static char *audio_modes[] = { - "audio: tuner", "audio: radio", "audio: extern", - "audio: intern", "audio: off" -}; - -static int -audio_mux(struct bttv *btv, int mode) -{ - int val,mux,i2c_mux,signal; - - gpio_inout(bttv_tvcards[btv->c.type].gpiomask, - bttv_tvcards[btv->c.type].gpiomask); - signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC; - - switch (mode) { - case AUDIO_MUTE: - btv->audio |= AUDIO_MUTE; - break; - case AUDIO_UNMUTE: - btv->audio &= ~AUDIO_MUTE; - break; - case AUDIO_TUNER: - case AUDIO_RADIO: - case AUDIO_EXTERN: - case AUDIO_INTERN: - btv->audio &= AUDIO_MUTE; - btv->audio |= mode; - } - i2c_mux = mux = (btv->audio & AUDIO_MUTE) ? AUDIO_OFF : btv->audio; - if (btv->opt_automute && !signal && !btv->radio_user) - mux = AUDIO_OFF; - - val = bttv_tvcards[btv->c.type].audiomux[mux]; - gpio_bits(bttv_tvcards[btv->c.type].gpiomask,val); - if (bttv_gpio) - bttv_gpio_tracking(btv,audio_modes[mux]); - if (!in_interrupt()) - bttv_call_i2c_clients(btv,AUDC_SET_INPUT,&(i2c_mux)); - return 0; -} - -static void -i2c_vidiocschan(struct bttv *btv) -{ - struct video_channel c; - - memset(&c,0,sizeof(c)); - c.norm = btv->tvnorm; - c.channel = btv->input; - bttv_call_i2c_clients(btv,VIDIOCSCHAN,&c); - if (btv->c.type == BTTV_BOARD_VOODOOTV_FM) - bttv_tda9880_setnorm(btv,c.norm); -} - -static int -set_tvnorm(struct bttv *btv, unsigned int norm) -{ - const struct bttv_tvnorm *tvnorm; - - if (norm < 0 || norm >= BTTV_TVNORMS) - return -EINVAL; - - btv->tvnorm = norm; - tvnorm = &bttv_tvnorms[norm]; - - btwrite(tvnorm->adelay, BT848_ADELAY); - btwrite(tvnorm->bdelay, BT848_BDELAY); - btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH), - BT848_IFORM); - btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE); - btwrite(1, BT848_VBI_PACK_DEL); - bt848A_set_timing(btv); - - switch (btv->c.type) { - case BTTV_BOARD_VOODOOTV_FM: - bttv_tda9880_setnorm(btv,norm); - break; - } - return 0; -} - -static void -set_input(struct bttv *btv, unsigned int input) -{ - unsigned long flags; - - btv->input = input; - if (irq_iswitch) { - spin_lock_irqsave(&btv->s_lock,flags); - if (btv->curr.frame_irq) { - /* active capture -> delayed input switch */ - btv->new_input = input; - } else { - video_mux(btv,input); - } - spin_unlock_irqrestore(&btv->s_lock,flags); - } else { - video_mux(btv,input); - } - audio_mux(btv,(input == bttv_tvcards[btv->c.type].tuner ? - AUDIO_TUNER : AUDIO_EXTERN)); - set_tvnorm(btv,btv->tvnorm); - i2c_vidiocschan(btv); -} - -static void init_irqreg(struct bttv *btv) -{ - /* clear status */ - btwrite(0xfffffUL, BT848_INT_STAT); - - if (bttv_tvcards[btv->c.type].no_video) { - /* i2c only */ - btwrite(BT848_INT_I2CDONE, - BT848_INT_MASK); - } else { - /* full video */ - btwrite((btv->triton1) | - (btv->gpioirq ? BT848_INT_GPINT : 0) | - BT848_INT_SCERR | - (fdsr ? BT848_INT_FDSR : 0) | - BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| - BT848_INT_FMTCHG|BT848_INT_HLOCK| - BT848_INT_I2CDONE, - BT848_INT_MASK); - } -} - -static void init_bt848(struct bttv *btv) -{ - int val; - - if (bttv_tvcards[btv->c.type].no_video) { - /* very basic init only */ - init_irqreg(btv); - return; - } - - btwrite(0x00, BT848_CAP_CTL); - btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL); - btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM); - - /* set planar and packed mode trigger points and */ - /* set rising edge of inverted GPINTR pin as irq trigger */ - btwrite(BT848_GPIO_DMA_CTL_PKTP_32| - BT848_GPIO_DMA_CTL_PLTP1_16| - BT848_GPIO_DMA_CTL_PLTP23_16| - BT848_GPIO_DMA_CTL_GPINTC| - BT848_GPIO_DMA_CTL_GPINTI, - BT848_GPIO_DMA_CTL); - - val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; - btwrite(val, BT848_E_SCLOOP); - btwrite(val, BT848_O_SCLOOP); - - btwrite(0x20, BT848_E_VSCALE_HI); - btwrite(0x20, BT848_O_VSCALE_HI); - btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), - BT848_ADC); - - btwrite(whitecrush_upper, BT848_WC_UP); - btwrite(whitecrush_lower, BT848_WC_DOWN); - - if (btv->opt_lumafilter) { - btwrite(0, BT848_E_CONTROL); - btwrite(0, BT848_O_CONTROL); - } else { - btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL); - btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL); - } - - bt848_bright(btv, btv->bright); - bt848_hue(btv, btv->hue); - bt848_contrast(btv, btv->contrast); - bt848_sat(btv, btv->saturation); - - /* interrupt */ - init_irqreg(btv); -} - -static void bttv_reinit_bt848(struct bttv *btv) -{ - unsigned long flags; - - if (bttv_verbose) - printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr); - spin_lock_irqsave(&btv->s_lock,flags); - btv->errors=0; - bttv_set_dma(btv,0); - spin_unlock_irqrestore(&btv->s_lock,flags); - - init_bt848(btv); - btv->pll.pll_current = -1; - set_input(btv,btv->input); -} - -static int get_control(struct bttv *btv, struct v4l2_control *c) -{ - struct video_audio va; - int i; - - for (i = 0; i < BTTV_CTLS; i++) - if (bttv_ctls[i].id == c->id) - break; - if (i == BTTV_CTLS) - return -EINVAL; - if (i >= 4 && i <= 8) { - memset(&va,0,sizeof(va)); - bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,0); - } - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - c->value = btv->bright; - break; - case V4L2_CID_HUE: - c->value = btv->hue; - break; - case V4L2_CID_CONTRAST: - c->value = btv->contrast; - break; - case V4L2_CID_SATURATION: - c->value = btv->saturation; - break; - - case V4L2_CID_AUDIO_MUTE: - c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0; - break; - case V4L2_CID_AUDIO_VOLUME: - c->value = va.volume; - break; - case V4L2_CID_AUDIO_BALANCE: - c->value = va.balance; - break; - case V4L2_CID_AUDIO_BASS: - c->value = va.bass; - break; - case V4L2_CID_AUDIO_TREBLE: - c->value = va.treble; - break; - - case V4L2_CID_PRIVATE_CHROMA_AGC: - c->value = btv->opt_chroma_agc; - break; - case V4L2_CID_PRIVATE_COMBFILTER: - c->value = btv->opt_combfilter; - break; - case V4L2_CID_PRIVATE_LUMAFILTER: - c->value = btv->opt_lumafilter; - break; - case V4L2_CID_PRIVATE_AUTOMUTE: - c->value = btv->opt_automute; - break; - case V4L2_CID_PRIVATE_AGC_CRUSH: - c->value = btv->opt_adc_crush; - break; - case V4L2_CID_PRIVATE_VCR_HACK: - c->value = btv->opt_vcr_hack; - break; - case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: - c->value = btv->opt_whitecrush_upper; - break; - case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: - c->value = btv->opt_whitecrush_lower; - break; - case V4L2_CID_PRIVATE_UV_RATIO: - c->value = btv->opt_uv_ratio; - break; - case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: - c->value = btv->opt_full_luma_range; - break; - case V4L2_CID_PRIVATE_CORING: - c->value = btv->opt_coring; - break; - default: - return -EINVAL; - } - return 0; -} - -static int set_control(struct bttv *btv, struct v4l2_control *c) -{ - struct video_audio va; - int i,val; - - for (i = 0; i < BTTV_CTLS; i++) - if (bttv_ctls[i].id == c->id) - break; - if (i == BTTV_CTLS) - return -EINVAL; - if (i >= 4 && i <= 8) { - memset(&va,0,sizeof(va)); - bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,0); - } - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - bt848_bright(btv,c->value); - break; - case V4L2_CID_HUE: - bt848_hue(btv,c->value); - break; - case V4L2_CID_CONTRAST: - bt848_contrast(btv,c->value); - break; - case V4L2_CID_SATURATION: - bt848_sat(btv,c->value); - break; - case V4L2_CID_AUDIO_MUTE: - if (c->value) { - va.flags |= VIDEO_AUDIO_MUTE; - audio_mux(btv, AUDIO_MUTE); - } else { - va.flags &= ~VIDEO_AUDIO_MUTE; - audio_mux(btv, AUDIO_UNMUTE); - } - break; - - case V4L2_CID_AUDIO_VOLUME: - va.volume = c->value; - break; - case V4L2_CID_AUDIO_BALANCE: - va.balance = c->value; - break; - case V4L2_CID_AUDIO_BASS: - va.bass = c->value; - break; - case V4L2_CID_AUDIO_TREBLE: - va.treble = c->value; - break; - - case V4L2_CID_PRIVATE_CHROMA_AGC: - btv->opt_chroma_agc = c->value; - val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; - btwrite(val, BT848_E_SCLOOP); - btwrite(val, BT848_O_SCLOOP); - break; - case V4L2_CID_PRIVATE_COMBFILTER: - btv->opt_combfilter = c->value; - break; - case V4L2_CID_PRIVATE_LUMAFILTER: - btv->opt_lumafilter = c->value; - if (btv->opt_lumafilter) { - btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL); - btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL); - } else { - btor(BT848_CONTROL_LDEC, BT848_E_CONTROL); - btor(BT848_CONTROL_LDEC, BT848_O_CONTROL); - } - break; - case V4L2_CID_PRIVATE_AUTOMUTE: - btv->opt_automute = c->value; - break; - case V4L2_CID_PRIVATE_AGC_CRUSH: - btv->opt_adc_crush = c->value; - btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), - BT848_ADC); - break; - case V4L2_CID_PRIVATE_VCR_HACK: - btv->opt_vcr_hack = c->value; - break; - case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: - btv->opt_whitecrush_upper = c->value; - btwrite(c->value, BT848_WC_UP); - break; - case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: - btv->opt_whitecrush_lower = c->value; - btwrite(c->value, BT848_WC_DOWN); - break; - case V4L2_CID_PRIVATE_UV_RATIO: - btv->opt_uv_ratio = c->value; - bt848_sat(btv, btv->saturation); - break; - case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: - btv->opt_full_luma_range = c->value; - btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM); - break; - case V4L2_CID_PRIVATE_CORING: - btv->opt_coring = c->value; - btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM); - break; - default: - return -EINVAL; - } - if (i >= 4 && i <= 8) { - bttv_call_i2c_clients(btv, VIDIOCSAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,1); - } - return 0; -} - -/* ----------------------------------------------------------------------- */ - -void bttv_gpio_tracking(struct bttv *btv, char *comment) -{ - unsigned int outbits, data; - outbits = btread(BT848_GPIO_OUT_EN); - data = btread(BT848_GPIO_DATA); - printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n", - btv->c.nr,outbits,data & outbits, data & ~outbits, comment); -} - -static void bttv_field_count(struct bttv *btv) -{ - int need_count = 0; - - if (btv->users) - need_count++; - - if (need_count) { - /* start field counter */ - btor(BT848_INT_VSYNC,BT848_INT_MASK); - } else { - /* stop field counter */ - btand(~BT848_INT_VSYNC,BT848_INT_MASK); - btv->field_count = 0; - } -} - -static const struct bttv_format* -format_by_palette(int palette) -{ - unsigned int i; - - for (i = 0; i < BTTV_FORMATS; i++) { - if (-1 == bttv_formats[i].palette) - continue; - if (bttv_formats[i].palette == palette) - return bttv_formats+i; - } - return NULL; -} - -static const struct bttv_format* -format_by_fourcc(int fourcc) -{ - unsigned int i; - - for (i = 0; i < BTTV_FORMATS; i++) { - if (-1 == bttv_formats[i].fourcc) - continue; - if (bttv_formats[i].fourcc == fourcc) - return bttv_formats+i; - } - return NULL; -} - -/* ----------------------------------------------------------------------- */ -/* misc helpers */ - -static int -bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, - struct bttv_buffer *new) -{ - struct bttv_buffer *old; - unsigned long flags; - int retval = 0; - - dprintk("switch_overlay: enter [new=%p]\n",new); - if (new) - new->vb.state = STATE_DONE; - spin_lock_irqsave(&btv->s_lock,flags); - old = btv->screen; - btv->screen = new; - btv->loop_irq |= 1; - bttv_set_dma(btv, 0x03); - spin_unlock_irqrestore(&btv->s_lock,flags); - if (NULL == new) - free_btres(btv,fh,RESOURCE_OVERLAY); - if (NULL != old) { - dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); - bttv_dma_free(&fh->cap,btv, old); - kfree(old); - } - dprintk("switch_overlay: done\n"); - return retval; -} - -/* ----------------------------------------------------------------------- */ -/* video4linux (1) interface */ - -static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, - struct bttv_buffer *buf, - const struct bttv_format *fmt, - unsigned int width, unsigned int height, - enum v4l2_field field) -{ - int redo_dma_risc = 0; - int rc; - - /* check settings */ - if (NULL == fmt) - return -EINVAL; - if (fmt->btformat == BT848_COLOR_FMT_RAW) { - width = RAW_BPL; - height = RAW_LINES*2; - if (width*height > buf->vb.bsize) - return -EINVAL; - buf->vb.size = buf->vb.bsize; - } else { - if (width < 48 || - height < 32 || - width > bttv_tvnorms[btv->tvnorm].swidth || - height > bttv_tvnorms[btv->tvnorm].sheight) - return -EINVAL; - buf->vb.size = (width * height * fmt->depth) >> 3; - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) - return -EINVAL; - } - - /* alloc + fill struct bttv_buffer (if changed) */ - if (buf->vb.width != width || buf->vb.height != height || - buf->vb.field != field || - buf->tvnorm != btv->tvnorm || buf->fmt != fmt) { - buf->vb.width = width; - buf->vb.height = height; - buf->vb.field = field; - buf->tvnorm = btv->tvnorm; - buf->fmt = fmt; - redo_dma_risc = 1; - } - - /* alloc risc memory */ - if (STATE_NEEDS_INIT == buf->vb.state) { - redo_dma_risc = 1; - if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) - goto fail; - } - - if (redo_dma_risc) - if (0 != (rc = bttv_buffer_risc(btv,buf))) - goto fail; - - buf->vb.state = STATE_PREPARED; - return 0; - - fail: - bttv_dma_free(q,btv,buf); - return rc; -} - -static int -buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) -{ - struct bttv_fh *fh = q->priv_data; - - *size = fh->fmt->depth*fh->width*fh->height >> 3; - if (0 == *count) - *count = gbuffers; - while (*size * *count > gbuffers * gbufsize) - (*count)--; - return 0; -} - -static int -buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); - struct bttv_fh *fh = q->priv_data; - - return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, - fh->width, fh->height, field); -} - -static void -buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); - struct bttv_fh *fh = q->priv_data; - struct bttv *btv = fh->btv; - - buf->vb.state = STATE_QUEUED; - list_add_tail(&buf->vb.queue,&btv->capture); - if (!btv->curr.frame_irq) { - btv->loop_irq |= 1; - bttv_set_dma(btv, 0x03); - } -} - -static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); - struct bttv_fh *fh = q->priv_data; - - bttv_dma_free(&fh->cap,fh->btv,buf); -} - -static struct videobuf_queue_ops bttv_video_qops = { - .buf_setup = buffer_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = buffer_release, -}; - -static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) -{ - switch (cmd) { - case BTTV_VERSION: - return BTTV_VERSION_CODE; - - /* *** v4l1 *** ************************************************ */ - case VIDIOCGFREQ: - { - unsigned long *freq = arg; - *freq = btv->freq; - return 0; - } - case VIDIOCSFREQ: - { - unsigned long *freq = arg; - mutex_lock(&btv->lock); - btv->freq=*freq; - bttv_call_i2c_clients(btv,VIDIOCSFREQ,freq); - if (btv->has_matchbox && btv->radio_user) - tea5757_set_freq(btv,*freq); - mutex_unlock(&btv->lock); - return 0; - } - - case VIDIOCGTUNER: - { - struct video_tuner *v = arg; - - if (UNSET == bttv_tvcards[btv->c.type].tuner) - return -EINVAL; - if (v->tuner) /* Only tuner 0 */ - return -EINVAL; - strcpy(v->name, "Television"); - v->rangelow = 0; - v->rangehigh = 0x7FFFFFFF; - v->flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; - v->mode = btv->tvnorm; - v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0; - bttv_call_i2c_clients(btv,cmd,v); - return 0; - } - case VIDIOCSTUNER: - { - struct video_tuner *v = arg; - - if (v->tuner) /* Only tuner 0 */ - return -EINVAL; - if (v->mode >= BTTV_TVNORMS) - return -EINVAL; - - mutex_lock(&btv->lock); - set_tvnorm(btv,v->mode); - bttv_call_i2c_clients(btv,cmd,v); - mutex_unlock(&btv->lock); - return 0; - } - - case VIDIOCGCHAN: - { - struct video_channel *v = arg; - unsigned int channel = v->channel; - - if (channel >= bttv_tvcards[btv->c.type].video_inputs) - return -EINVAL; - v->tuners=0; - v->flags = VIDEO_VC_AUDIO; - v->type = VIDEO_TYPE_CAMERA; - v->norm = btv->tvnorm; - if (channel == bttv_tvcards[btv->c.type].tuner) { - strcpy(v->name,"Television"); - v->flags|=VIDEO_VC_TUNER; - v->type=VIDEO_TYPE_TV; - v->tuners=1; - } else if (channel == btv->svhs) { - strcpy(v->name,"S-Video"); - } else { - sprintf(v->name,"Composite%d",channel); - } - return 0; - } - case VIDIOCSCHAN: - { - struct video_channel *v = arg; - unsigned int channel = v->channel; - - if (channel >= bttv_tvcards[btv->c.type].video_inputs) - return -EINVAL; - if (v->norm >= BTTV_TVNORMS) - return -EINVAL; - - mutex_lock(&btv->lock); - if (channel == btv->input && - v->norm == btv->tvnorm) { - /* nothing to do */ - mutex_unlock(&btv->lock); - return 0; - } - - btv->tvnorm = v->norm; - set_input(btv,v->channel); - mutex_unlock(&btv->lock); - return 0; - } - - case VIDIOCGAUDIO: - { - struct video_audio *v = arg; - - memset(v,0,sizeof(*v)); - strcpy(v->name,"Television"); - v->flags |= VIDEO_AUDIO_MUTABLE; - v->mode = VIDEO_SOUND_MONO; - - mutex_lock(&btv->lock); - bttv_call_i2c_clients(btv,cmd,v); - - /* card specific hooks */ - if (btv->audio_hook) - btv->audio_hook(btv,v,0); - - mutex_unlock(&btv->lock); - return 0; - } - case VIDIOCSAUDIO: - { - struct video_audio *v = arg; - unsigned int audio = v->audio; - - if (audio >= bttv_tvcards[btv->c.type].audio_inputs) - return -EINVAL; - - mutex_lock(&btv->lock); - audio_mux(btv, (v->flags&VIDEO_AUDIO_MUTE) ? AUDIO_MUTE : AUDIO_UNMUTE); - bttv_call_i2c_clients(btv,cmd,v); - - /* card specific hooks */ - if (btv->audio_hook) - btv->audio_hook(btv,v,1); - - mutex_unlock(&btv->lock); - return 0; - } - - /* *** v4l2 *** ************************************************ */ - case VIDIOC_ENUMSTD: - { - struct v4l2_standard *e = arg; - unsigned int index = e->index; - - if (index >= BTTV_TVNORMS) - return -EINVAL; - v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id, - bttv_tvnorms[e->index].name); - e->index = index; - return 0; - } - case VIDIOC_G_STD: - { - v4l2_std_id *id = arg; - *id = bttv_tvnorms[btv->tvnorm].v4l2_id; - return 0; - } - case VIDIOC_S_STD: - { - v4l2_std_id *id = arg; - unsigned int i; - - for (i = 0; i < BTTV_TVNORMS; i++) - if (*id & bttv_tvnorms[i].v4l2_id) - break; - if (i == BTTV_TVNORMS) - return -EINVAL; - - mutex_lock(&btv->lock); - set_tvnorm(btv,i); - i2c_vidiocschan(btv); - mutex_unlock(&btv->lock); - return 0; - } - case VIDIOC_QUERYSTD: - { - v4l2_std_id *id = arg; - - if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML) - *id = V4L2_STD_625_50; - else - *id = V4L2_STD_525_60; - return 0; - } - - case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; - unsigned int n; - - n = i->index; - if (n >= bttv_tvcards[btv->c.type].video_inputs) - return -EINVAL; - memset(i,0,sizeof(*i)); - i->index = n; - i->type = V4L2_INPUT_TYPE_CAMERA; - i->audioset = 0; - if (i->index == bttv_tvcards[btv->c.type].tuner) { - sprintf(i->name, "Television"); - i->type = V4L2_INPUT_TYPE_TUNER; - i->tuner = 0; - } else if (i->index == btv->svhs) { - sprintf(i->name, "S-Video"); - } else { - sprintf(i->name,"Composite%d",i->index); - } - if (i->index == btv->input) { - __u32 dstatus = btread(BT848_DSTATUS); - if (0 == (dstatus & BT848_DSTATUS_PRES)) - i->status |= V4L2_IN_ST_NO_SIGNAL; - if (0 == (dstatus & BT848_DSTATUS_HLOC)) - i->status |= V4L2_IN_ST_NO_H_LOCK; - } - for (n = 0; n < BTTV_TVNORMS; n++) - i->std |= bttv_tvnorms[n].v4l2_id; - return 0; - } - case VIDIOC_G_INPUT: - { - int *i = arg; - *i = btv->input; - return 0; - } - case VIDIOC_S_INPUT: - { - unsigned int *i = arg; - - if (*i > bttv_tvcards[btv->c.type].video_inputs) - return -EINVAL; - mutex_lock(&btv->lock); - set_input(btv,*i); - mutex_unlock(&btv->lock); - return 0; - } - - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *t = arg; - - if (UNSET == bttv_tvcards[btv->c.type].tuner) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - mutex_lock(&btv->lock); - memset(t,0,sizeof(*t)); - strcpy(t->name, "Television"); - t->type = V4L2_TUNER_ANALOG_TV; - t->capability = V4L2_TUNER_CAP_NORM; - t->rxsubchans = V4L2_TUNER_SUB_MONO; - if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) - t->signal = 0xffff; - { - struct video_tuner tuner; - - memset(&tuner, 0, sizeof (tuner)); - tuner.rangehigh = 0xffffffffUL; - bttv_call_i2c_clients(btv, VIDIOCGTUNER, &tuner); - t->rangelow = tuner.rangelow; - t->rangehigh = tuner.rangehigh; - } - { - /* Hmmm ... */ - struct video_audio va; - memset(&va, 0, sizeof(struct video_audio)); - bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,0); - if(va.mode & VIDEO_SOUND_STEREO) { - t->audmode = V4L2_TUNER_MODE_STEREO; - t->rxsubchans |= V4L2_TUNER_SUB_STEREO; - } - if(va.mode & VIDEO_SOUND_LANG1) { - t->audmode = V4L2_TUNER_MODE_LANG1; - t->rxsubchans = V4L2_TUNER_SUB_LANG1 - | V4L2_TUNER_SUB_LANG2; - } - } - /* FIXME: fill capability+audmode */ - mutex_unlock(&btv->lock); - return 0; - } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *t = arg; - - if (UNSET == bttv_tvcards[btv->c.type].tuner) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - mutex_lock(&btv->lock); - { - struct video_audio va; - memset(&va, 0, sizeof(struct video_audio)); - bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va); - if (t->audmode == V4L2_TUNER_MODE_MONO) - va.mode = VIDEO_SOUND_MONO; - else if (t->audmode == V4L2_TUNER_MODE_STEREO) - va.mode = VIDEO_SOUND_STEREO; - else if (t->audmode == V4L2_TUNER_MODE_LANG1) - va.mode = VIDEO_SOUND_LANG1; - else if (t->audmode == V4L2_TUNER_MODE_LANG2) - va.mode = VIDEO_SOUND_LANG2; - bttv_call_i2c_clients(btv, VIDIOCSAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,1); - } - mutex_unlock(&btv->lock); - return 0; - } - - case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *f = arg; - - memset(f,0,sizeof(*f)); - f->type = V4L2_TUNER_ANALOG_TV; - f->frequency = btv->freq; - return 0; - } - case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *f = arg; - - if (unlikely(f->tuner != 0)) - return -EINVAL; - if (unlikely (f->type != V4L2_TUNER_ANALOG_TV)) - return -EINVAL; - mutex_lock(&btv->lock); - btv->freq = f->frequency; - bttv_call_i2c_clients(btv,VIDIOCSFREQ,&btv->freq); - if (btv->has_matchbox && btv->radio_user) - tea5757_set_freq(btv,btv->freq); - mutex_unlock(&btv->lock); - return 0; - } - case VIDIOC_LOG_STATUS: - { - bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); - return 0; - } - - default: - return -ENOIOCTLCMD; - - } - return 0; -} - -static int verify_window(const struct bttv_tvnorm *tvn, - struct v4l2_window *win, int fixup) -{ - enum v4l2_field field; - int maxw, maxh; - - if (win->w.width < 48 || win->w.height < 32) - return -EINVAL; - if (win->clipcount > 2048) - return -EINVAL; - - field = win->field; - maxw = tvn->swidth; - maxh = tvn->sheight; - - if (V4L2_FIELD_ANY == field) { - field = (win->w.height > maxh/2) - ? V4L2_FIELD_INTERLACED - : V4L2_FIELD_TOP; - } - switch (field) { - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - maxh = maxh / 2; - break; - case V4L2_FIELD_INTERLACED: - break; - default: - return -EINVAL; - } - - if (!fixup && (win->w.width > maxw || win->w.height > maxh)) - return -EINVAL; - - if (win->w.width > maxw) - win->w.width = maxw; - if (win->w.height > maxh) - win->w.height = maxh; - win->field = field; - return 0; -} - -static int setup_window(struct bttv_fh *fh, struct bttv *btv, - struct v4l2_window *win, int fixup) -{ - struct v4l2_clip *clips = NULL; - int n,size,retval = 0; - - if (NULL == fh->ovfmt) - return -EINVAL; - if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED)) - return -EINVAL; - retval = verify_window(&bttv_tvnorms[btv->tvnorm],win,fixup); - if (0 != retval) - return retval; - - /* copy clips -- luckily v4l1 + v4l2 are binary - compatible here ...*/ - n = win->clipcount; - size = sizeof(*clips)*(n+4); - clips = kmalloc(size,GFP_KERNEL); - if (NULL == clips) - return -ENOMEM; - if (n > 0) { - if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { - kfree(clips); - return -EFAULT; - } - } - /* clip against screen */ - if (NULL != btv->fbuf.base) - n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, - &win->w, clips, n); - btcx_sort_clips(clips,n); - - /* 4-byte alignments */ - switch (fh->ovfmt->depth) { - case 8: - case 24: - btcx_align(&win->w, clips, n, 3); - break; - case 16: - btcx_align(&win->w, clips, n, 1); - break; - case 32: - /* no alignment fixups needed */ - break; - default: - BUG(); - } - - mutex_lock(&fh->cap.lock); - kfree(fh->ov.clips); - fh->ov.clips = clips; - fh->ov.nclips = n; - - fh->ov.w = win->w; - fh->ov.field = win->field; - fh->ov.setup_ok = 1; - btv->init.ov.w.width = win->w.width; - btv->init.ov.w.height = win->w.height; - btv->init.ov.field = win->field; - - /* update overlay if needed */ - retval = 0; - if (check_btres(fh, RESOURCE_OVERLAY)) { - struct bttv_buffer *new; - - new = videobuf_alloc(sizeof(*new)); - bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); - retval = bttv_switch_overlay(btv,fh,new); - } - mutex_unlock(&fh->cap.lock); - return retval; -} - -/* ----------------------------------------------------------------------- */ - -static struct videobuf_queue* bttv_queue(struct bttv_fh *fh) -{ - struct videobuf_queue* q = NULL; - - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - q = &fh->cap; - break; - case V4L2_BUF_TYPE_VBI_CAPTURE: - q = &fh->vbi; - break; - default: - BUG(); - } - return q; -} - -static int bttv_resource(struct bttv_fh *fh) -{ - int res = 0; - - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - res = RESOURCE_VIDEO; - break; - case V4L2_BUF_TYPE_VBI_CAPTURE: - res = RESOURCE_VBI; - break; - default: - BUG(); - } - return res; -} - -static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) -{ - struct videobuf_queue *q = bttv_queue(fh); - int res = bttv_resource(fh); - - if (check_btres(fh,res)) - return -EBUSY; - if (videobuf_queue_is_busy(q)) - return -EBUSY; - fh->type = type; - return 0; -} - -static void -pix_format_set_size (struct v4l2_pix_format * f, - const struct bttv_format * fmt, - unsigned int width, - unsigned int height) -{ - f->width = width; - f->height = height; - - if (fmt->flags & FORMAT_FLAGS_PLANAR) { - f->bytesperline = width; /* Y plane */ - f->sizeimage = (width * height * fmt->depth) >> 3; - } else { - f->bytesperline = (width * fmt->depth) >> 3; - f->sizeimage = height * f->bytesperline; - } -} - -static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) -{ - switch (f->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); - pix_format_set_size (&f->fmt.pix, fh->fmt, - fh->width, fh->height); - f->fmt.pix.field = fh->cap.field; - f->fmt.pix.pixelformat = fh->fmt->fourcc; - return 0; - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - memset(&f->fmt.win,0,sizeof(struct v4l2_window)); - f->fmt.win.w = fh->ov.w; - f->fmt.win.field = fh->ov.field; - return 0; - case V4L2_BUF_TYPE_VBI_CAPTURE: - bttv_vbi_get_fmt(fh,f); - return 0; - default: - return -EINVAL; - } -} - -static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, - struct v4l2_format *f) -{ - switch (f->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - { - const struct bttv_format *fmt; - enum v4l2_field field; - unsigned int maxw,maxh; - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - if (NULL == fmt) - return -EINVAL; - - /* fixup format */ - maxw = bttv_tvnorms[btv->tvnorm].swidth; - maxh = bttv_tvnorms[btv->tvnorm].sheight; - field = f->fmt.pix.field; - if (V4L2_FIELD_ANY == field) - field = (f->fmt.pix.height > maxh/2) - ? V4L2_FIELD_INTERLACED - : V4L2_FIELD_BOTTOM; - if (V4L2_FIELD_SEQ_BT == field) - field = V4L2_FIELD_SEQ_TB; - switch (field) { - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - case V4L2_FIELD_ALTERNATE: - maxh = maxh/2; - break; - case V4L2_FIELD_INTERLACED: - break; - case V4L2_FIELD_SEQ_TB: - if (fmt->flags & FORMAT_FLAGS_PLANAR) - return -EINVAL; - break; - default: - return -EINVAL; - } - - /* update data for the application */ - f->fmt.pix.field = field; - if (f->fmt.pix.width < 48) - f->fmt.pix.width = 48; - if (f->fmt.pix.height < 32) - f->fmt.pix.height = 32; - if (f->fmt.pix.width > maxw) - f->fmt.pix.width = maxw; - if (f->fmt.pix.height > maxh) - f->fmt.pix.height = maxh; - pix_format_set_size (&f->fmt.pix, fmt, - f->fmt.pix.width & ~3, - f->fmt.pix.height); - - return 0; - } - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - return verify_window(&bttv_tvnorms[btv->tvnorm], - &f->fmt.win, 1); - case V4L2_BUF_TYPE_VBI_CAPTURE: - bttv_vbi_try_fmt(fh,f); - return 0; - default: - return -EINVAL; - } -} - -static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv, - struct v4l2_format *f) -{ - int retval; - - switch (f->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - { - const struct bttv_format *fmt; - - retval = bttv_switch_type(fh,f->type); - if (0 != retval) - return retval; - retval = bttv_try_fmt(fh,btv,f); - if (0 != retval) - return retval; - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - - /* update our state informations */ - mutex_lock(&fh->cap.lock); - fh->fmt = fmt; - fh->cap.field = f->fmt.pix.field; - fh->cap.last = V4L2_FIELD_NONE; - fh->width = f->fmt.pix.width; - fh->height = f->fmt.pix.height; - btv->init.fmt = fmt; - btv->init.width = f->fmt.pix.width; - btv->init.height = f->fmt.pix.height; - mutex_unlock(&fh->cap.lock); - - return 0; - } - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - if (no_overlay > 0) { - printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); - return -EINVAL; - } - return setup_window(fh, btv, &f->fmt.win, 1); - case V4L2_BUF_TYPE_VBI_CAPTURE: - retval = bttv_switch_type(fh,f->type); - if (0 != retval) - return retval; - if (locked_btres(fh->btv, RESOURCE_VBI)) - return -EBUSY; - bttv_vbi_try_fmt(fh,f); - bttv_vbi_setlines(fh,btv,f->fmt.vbi.count[0]); - bttv_vbi_get_fmt(fh,f); - return 0; - default: - return -EINVAL; - } -} - -static int bttv_do_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - struct bttv_fh *fh = file->private_data; - struct bttv *btv = fh->btv; - unsigned long flags; - int retval = 0; - - if (bttv_debug > 1) - v4l_print_ioctl(btv->c.name, cmd); - - if (btv->errors) - bttv_reinit_bt848(btv); - - switch (cmd) { - case VIDIOCSFREQ: - case VIDIOCSTUNER: - case VIDIOCSCHAN: - case VIDIOC_S_CTRL: - case VIDIOC_S_STD: - case VIDIOC_S_INPUT: - case VIDIOC_S_TUNER: - case VIDIOC_S_FREQUENCY: - retval = v4l2_prio_check(&btv->prio,&fh->prio); - if (0 != retval) - return retval; - }; - - switch (cmd) { - - /* *** v4l1 *** ************************************************ */ - case VIDIOCGCAP: - { - struct video_capability *cap = arg; - - memset(cap,0,sizeof(*cap)); - strcpy(cap->name,btv->video_dev->name); - if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { - /* vbi */ - cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT; - } else { - /* others */ - cap->type = VID_TYPE_CAPTURE| - VID_TYPE_TUNER| - VID_TYPE_CLIPPING| - VID_TYPE_SCALES; - if (no_overlay <= 0) - cap->type |= VID_TYPE_OVERLAY; - - cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth; - cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight; - cap->minwidth = 48; - cap->minheight = 32; - } - cap->channels = bttv_tvcards[btv->c.type].video_inputs; - cap->audios = bttv_tvcards[btv->c.type].audio_inputs; - return 0; - } - - case VIDIOCGPICT: - { - struct video_picture *pic = arg; - - memset(pic,0,sizeof(*pic)); - pic->brightness = btv->bright; - pic->contrast = btv->contrast; - pic->hue = btv->hue; - pic->colour = btv->saturation; - if (fh->fmt) { - pic->depth = fh->fmt->depth; - pic->palette = fh->fmt->palette; - } - return 0; - } - case VIDIOCSPICT: - { - struct video_picture *pic = arg; - const struct bttv_format *fmt; - - fmt = format_by_palette(pic->palette); - if (NULL == fmt) - return -EINVAL; - mutex_lock(&fh->cap.lock); - if (fmt->depth != pic->depth) { - retval = -EINVAL; - goto fh_unlock_and_return; - } - if (fmt->flags & FORMAT_FLAGS_RAW) { - /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL * - RAW_LINES * 2. F1 is stored at offset 0, F2 - at buffer size / 2. */ - fh->width = RAW_BPL; - fh->height = gbufsize / RAW_BPL; - btv->init.width = RAW_BPL; - btv->init.height = gbufsize / RAW_BPL; - } - fh->ovfmt = fmt; - fh->fmt = fmt; - btv->init.ovfmt = fmt; - btv->init.fmt = fmt; - if (bigendian) { - /* dirty hack time: swap bytes for overlay if the - display adaptor is big endian (insmod option) */ - if (fmt->palette == VIDEO_PALETTE_RGB555 || - fmt->palette == VIDEO_PALETTE_RGB565 || - fmt->palette == VIDEO_PALETTE_RGB32) { - fh->ovfmt = fmt+1; - } - } - bt848_bright(btv,pic->brightness); - bt848_contrast(btv,pic->contrast); - bt848_hue(btv,pic->hue); - bt848_sat(btv,pic->colour); - mutex_unlock(&fh->cap.lock); - return 0; - } - - case VIDIOCGWIN: - { - struct video_window *win = arg; - - memset(win,0,sizeof(*win)); - win->x = fh->ov.w.left; - win->y = fh->ov.w.top; - win->width = fh->ov.w.width; - win->height = fh->ov.w.height; - return 0; - } - case VIDIOCSWIN: - { - struct video_window *win = arg; - struct v4l2_window w2; - - if (no_overlay > 0) { - printk ("VIDIOCSWIN: no_overlay\n"); - return -EINVAL; - } - - w2.field = V4L2_FIELD_ANY; - w2.w.left = win->x; - w2.w.top = win->y; - w2.w.width = win->width; - w2.w.height = win->height; - w2.clipcount = win->clipcount; - w2.clips = (struct v4l2_clip __user *)win->clips; - retval = setup_window(fh, btv, &w2, 0); - if (0 == retval) { - /* on v4l1 this ioctl affects the read() size too */ - fh->width = fh->ov.w.width; - fh->height = fh->ov.w.height; - btv->init.width = fh->ov.w.width; - btv->init.height = fh->ov.w.height; - } - return retval; - } - - case VIDIOCGFBUF: - { - struct video_buffer *fbuf = arg; - - fbuf->base = btv->fbuf.base; - fbuf->width = btv->fbuf.fmt.width; - fbuf->height = btv->fbuf.fmt.height; - fbuf->bytesperline = btv->fbuf.fmt.bytesperline; - if (fh->ovfmt) - fbuf->depth = fh->ovfmt->depth; - return 0; - } - case VIDIOCSFBUF: - { - struct video_buffer *fbuf = arg; - const struct bttv_format *fmt; - unsigned long end; - - if(!capable(CAP_SYS_ADMIN) && - !capable(CAP_SYS_RAWIO)) - return -EPERM; - end = (unsigned long)fbuf->base + - fbuf->height * fbuf->bytesperline; - mutex_lock(&fh->cap.lock); - retval = -EINVAL; - - switch (fbuf->depth) { - case 8: - fmt = format_by_palette(VIDEO_PALETTE_HI240); - break; - case 16: - fmt = format_by_palette(VIDEO_PALETTE_RGB565); - break; - case 24: - fmt = format_by_palette(VIDEO_PALETTE_RGB24); - break; - case 32: - fmt = format_by_palette(VIDEO_PALETTE_RGB32); - break; - case 15: - fbuf->depth = 16; - fmt = format_by_palette(VIDEO_PALETTE_RGB555); - break; - default: - fmt = NULL; - break; - } - if (NULL == fmt) - goto fh_unlock_and_return; - - fh->ovfmt = fmt; - fh->fmt = fmt; - btv->init.ovfmt = fmt; - btv->init.fmt = fmt; - btv->fbuf.base = fbuf->base; - btv->fbuf.fmt.width = fbuf->width; - btv->fbuf.fmt.height = fbuf->height; - if (fbuf->bytesperline) - btv->fbuf.fmt.bytesperline = fbuf->bytesperline; - else - btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8; - mutex_unlock(&fh->cap.lock); - return 0; - } - - case VIDIOCCAPTURE: - case VIDIOC_OVERLAY: - { - struct bttv_buffer *new; - int *on = arg; - - if (*on) { - /* verify args */ - if (NULL == btv->fbuf.base) - return -EINVAL; - if (!fh->ov.setup_ok) { - dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr); - return -EINVAL; - } - } - - if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY)) - return -EBUSY; - - mutex_lock(&fh->cap.lock); - if (*on) { - fh->ov.tvnorm = btv->tvnorm; - new = videobuf_alloc(sizeof(*new)); - bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); - } else { - new = NULL; - } - - /* switch over */ - retval = bttv_switch_overlay(btv,fh,new); - mutex_unlock(&fh->cap.lock); - return retval; - } - - case VIDIOCGMBUF: - { - struct video_mbuf *mbuf = arg; - unsigned int i; - - mutex_lock(&fh->cap.lock); - retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize, - V4L2_MEMORY_MMAP); - if (retval < 0) - goto fh_unlock_and_return; - memset(mbuf,0,sizeof(*mbuf)); - mbuf->frames = gbuffers; - mbuf->size = gbuffers * gbufsize; - for (i = 0; i < gbuffers; i++) - mbuf->offsets[i] = i * gbufsize; - mutex_unlock(&fh->cap.lock); - return 0; - } - case VIDIOCMCAPTURE: - { - struct video_mmap *vm = arg; - struct bttv_buffer *buf; - enum v4l2_field field; - - if (vm->frame >= VIDEO_MAX_FRAME) - return -EINVAL; - - mutex_lock(&fh->cap.lock); - retval = -EINVAL; - buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame]; - if (NULL == buf) - goto fh_unlock_and_return; - if (0 == buf->vb.baddr) - goto fh_unlock_and_return; - if (buf->vb.state == STATE_QUEUED || - buf->vb.state == STATE_ACTIVE) - goto fh_unlock_and_return; - - field = (vm->height > bttv_tvnorms[btv->tvnorm].sheight/2) - ? V4L2_FIELD_INTERLACED - : V4L2_FIELD_BOTTOM; - retval = bttv_prepare_buffer(&fh->cap,btv,buf, - format_by_palette(vm->format), - vm->width,vm->height,field); - if (0 != retval) - goto fh_unlock_and_return; - spin_lock_irqsave(&btv->s_lock,flags); - buffer_queue(&fh->cap,&buf->vb); - spin_unlock_irqrestore(&btv->s_lock,flags); - mutex_unlock(&fh->cap.lock); - return 0; - } - case VIDIOCSYNC: - { - int *frame = arg; - struct bttv_buffer *buf; - - if (*frame >= VIDEO_MAX_FRAME) - return -EINVAL; - - mutex_lock(&fh->cap.lock); - retval = -EINVAL; - buf = (struct bttv_buffer *)fh->cap.bufs[*frame]; - if (NULL == buf) - goto fh_unlock_and_return; - retval = videobuf_waiton(&buf->vb,0,1); - if (0 != retval) - goto fh_unlock_and_return; - switch (buf->vb.state) { - case STATE_ERROR: - retval = -EIO; - /* fall through */ - case STATE_DONE: - videobuf_dma_sync(&fh->cap,&buf->vb.dma); - bttv_dma_free(&fh->cap,btv,buf); - break; - default: - retval = -EINVAL; - break; - } - mutex_unlock(&fh->cap.lock); - return retval; - } - - case VIDIOCGVBIFMT: - { - struct vbi_format *fmt = (void *) arg; - struct v4l2_format fmt2; - - if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) { - retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); - if (0 != retval) - return retval; - } - bttv_vbi_get_fmt(fh, &fmt2); - - memset(fmt,0,sizeof(*fmt)); - fmt->sampling_rate = fmt2.fmt.vbi.sampling_rate; - fmt->samples_per_line = fmt2.fmt.vbi.samples_per_line; - fmt->sample_format = VIDEO_PALETTE_RAW; - fmt->start[0] = fmt2.fmt.vbi.start[0]; - fmt->count[0] = fmt2.fmt.vbi.count[0]; - fmt->start[1] = fmt2.fmt.vbi.start[1]; - fmt->count[1] = fmt2.fmt.vbi.count[1]; - if (fmt2.fmt.vbi.flags & V4L2_VBI_UNSYNC) - fmt->flags |= VBI_UNSYNC; - if (fmt2.fmt.vbi.flags & V4L2_VBI_INTERLACED) - fmt->flags |= VBI_INTERLACED; - return 0; - } - case VIDIOCSVBIFMT: - { - struct vbi_format *fmt = (void *) arg; - struct v4l2_format fmt2; - - retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); - if (0 != retval) - return retval; - bttv_vbi_get_fmt(fh, &fmt2); - - if (fmt->sampling_rate != fmt2.fmt.vbi.sampling_rate || - fmt->samples_per_line != fmt2.fmt.vbi.samples_per_line || - fmt->sample_format != VIDEO_PALETTE_RAW || - fmt->start[0] != fmt2.fmt.vbi.start[0] || - fmt->start[1] != fmt2.fmt.vbi.start[1] || - fmt->count[0] != fmt->count[1] || - fmt->count[0] < 1 || - fmt->count[0] > 32 /* VBI_MAXLINES */) - return -EINVAL; - - bttv_vbi_setlines(fh,btv,fmt->count[0]); - return 0; - } - - case BTTV_VERSION: - case VIDIOCGFREQ: - case VIDIOCSFREQ: - case VIDIOCGTUNER: - case VIDIOCSTUNER: - case VIDIOCGCHAN: - case VIDIOCSCHAN: - case VIDIOCGAUDIO: - case VIDIOCSAUDIO: - return bttv_common_ioctls(btv,cmd,arg); - - /* *** v4l2 *** ************************************************ */ - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *cap = arg; - - if (0 == v4l2) - return -EINVAL; - memset(cap, 0, sizeof (*cap)); - strlcpy(cap->driver, "bttv", sizeof (cap->driver)); - strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card)); - snprintf(cap->bus_info, sizeof (cap->bus_info), - "PCI:%s", pci_name(btv->c.pci)); - cap->version = BTTV_VERSION_CODE; - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_VBI_CAPTURE | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING; - if (no_overlay <= 0) - cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; - - if (bttv_tvcards[btv->c.type].tuner != UNSET && - bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT) - cap->capabilities |= V4L2_CAP_TUNER; - return 0; - } - - case VIDIOC_ENUM_FMT: - { - struct v4l2_fmtdesc *f = arg; - enum v4l2_buf_type type; - unsigned int i; - int index; - - type = f->type; - if (V4L2_BUF_TYPE_VBI_CAPTURE == type) { - /* vbi */ - index = f->index; - if (0 != index) - return -EINVAL; - memset(f,0,sizeof(*f)); - f->index = index; - f->type = type; - f->pixelformat = V4L2_PIX_FMT_GREY; - strcpy(f->description,"vbi data"); - return 0; - } - - /* video capture + overlay */ - index = -1; - for (i = 0; i < BTTV_FORMATS; i++) { - if (bttv_formats[i].fourcc != -1) - index++; - if ((unsigned int)index == f->index) - break; - } - if (BTTV_FORMATS == i) - return -EINVAL; - - switch (f->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - break; - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED)) - return -EINVAL; - break; - default: - return -EINVAL; - } - memset(f,0,sizeof(*f)); - f->index = index; - f->type = type; - f->pixelformat = bttv_formats[i].fourcc; - strlcpy(f->description,bttv_formats[i].name,sizeof(f->description)); - return 0; - } - - case VIDIOC_TRY_FMT: - { - struct v4l2_format *f = arg; - return bttv_try_fmt(fh,btv,f); - } - case VIDIOC_G_FMT: - { - struct v4l2_format *f = arg; - return bttv_g_fmt(fh,f); - } - case VIDIOC_S_FMT: - { - struct v4l2_format *f = arg; - return bttv_s_fmt(fh,btv,f); - } - - case VIDIOC_G_FBUF: - { - struct v4l2_framebuffer *fb = arg; - - *fb = btv->fbuf; - fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; - if (fh->ovfmt) - fb->fmt.pixelformat = fh->ovfmt->fourcc; - return 0; - } - case VIDIOC_S_FBUF: - { - struct v4l2_framebuffer *fb = arg; - const struct bttv_format *fmt; - - if(!capable(CAP_SYS_ADMIN) && - !capable(CAP_SYS_RAWIO)) - return -EPERM; - - /* check args */ - fmt = format_by_fourcc(fb->fmt.pixelformat); - if (NULL == fmt) - return -EINVAL; - if (0 == (fmt->flags & FORMAT_FLAGS_PACKED)) - return -EINVAL; - - mutex_lock(&fh->cap.lock); - retval = -EINVAL; - if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { - if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth) - goto fh_unlock_and_return; - if (fb->fmt.height > bttv_tvnorms[btv->tvnorm].sheight) - goto fh_unlock_and_return; - } - - /* ok, accept it */ - btv->fbuf.base = fb->base; - btv->fbuf.fmt.width = fb->fmt.width; - btv->fbuf.fmt.height = fb->fmt.height; - if (0 != fb->fmt.bytesperline) - btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline; - else - btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8; - - retval = 0; - fh->ovfmt = fmt; - btv->init.ovfmt = fmt; - if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { - fh->ov.w.left = 0; - fh->ov.w.top = 0; - fh->ov.w.width = fb->fmt.width; - fh->ov.w.height = fb->fmt.height; - btv->init.ov.w.width = fb->fmt.width; - btv->init.ov.w.height = fb->fmt.height; - kfree(fh->ov.clips); - fh->ov.clips = NULL; - fh->ov.nclips = 0; - - if (check_btres(fh, RESOURCE_OVERLAY)) { - struct bttv_buffer *new; - - new = videobuf_alloc(sizeof(*new)); - bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new); - retval = bttv_switch_overlay(btv,fh,new); - } - } - mutex_unlock(&fh->cap.lock); - return retval; - } - - case VIDIOC_REQBUFS: - return videobuf_reqbufs(bttv_queue(fh),arg); - - case VIDIOC_QUERYBUF: - return videobuf_querybuf(bttv_queue(fh),arg); - - case VIDIOC_QBUF: - return videobuf_qbuf(bttv_queue(fh),arg); - - case VIDIOC_DQBUF: - return videobuf_dqbuf(bttv_queue(fh),arg, - file->f_flags & O_NONBLOCK); - - case VIDIOC_STREAMON: - { - int res = bttv_resource(fh); - - if (!check_alloc_btres(btv,fh,res)) - return -EBUSY; - return videobuf_streamon(bttv_queue(fh)); - } - case VIDIOC_STREAMOFF: - { - int res = bttv_resource(fh); - - retval = videobuf_streamoff(bttv_queue(fh)); - if (retval < 0) - return retval; - free_btres(btv,fh,res); - return 0; - } - - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *c = arg; - int i; - - if ((c->id < V4L2_CID_BASE || - c->id >= V4L2_CID_LASTP1) && - (c->id < V4L2_CID_PRIVATE_BASE || - c->id >= V4L2_CID_PRIVATE_LASTP1)) - return -EINVAL; - for (i = 0; i < BTTV_CTLS; i++) - if (bttv_ctls[i].id == c->id) - break; - if (i == BTTV_CTLS) { - *c = no_ctl; - return 0; - } - *c = bttv_ctls[i]; - if (i >= 4 && i <= 8) { - struct video_audio va; - memset(&va,0,sizeof(va)); - bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va); - if (btv->audio_hook) - btv->audio_hook(btv,&va,0); - switch (bttv_ctls[i].id) { - case V4L2_CID_AUDIO_VOLUME: - if (!(va.flags & VIDEO_AUDIO_VOLUME)) - *c = no_ctl; - break; - case V4L2_CID_AUDIO_BALANCE: - if (!(va.flags & VIDEO_AUDIO_BALANCE)) - *c = no_ctl; - break; - case V4L2_CID_AUDIO_BASS: - if (!(va.flags & VIDEO_AUDIO_BASS)) - *c = no_ctl; - break; - case V4L2_CID_AUDIO_TREBLE: - if (!(va.flags & VIDEO_AUDIO_TREBLE)) - *c = no_ctl; - break; - } - } - return 0; - } - case VIDIOC_G_CTRL: - return get_control(btv,arg); - case VIDIOC_S_CTRL: - return set_control(btv,arg); - case VIDIOC_G_PARM: - { - struct v4l2_streamparm *parm = arg; - struct v4l2_standard s; - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - memset(parm,0,sizeof(*parm)); - v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id, - bttv_tvnorms[btv->tvnorm].name); - parm->parm.capture.timeperframe = s.frameperiod; - return 0; - } - - case VIDIOC_G_PRIORITY: - { - enum v4l2_priority *p = arg; - - *p = v4l2_prio_max(&btv->prio); - return 0; - } - case VIDIOC_S_PRIORITY: - { - enum v4l2_priority *prio = arg; - - return v4l2_prio_change(&btv->prio, &fh->prio, *prio); - } - - case VIDIOC_ENUMSTD: - case VIDIOC_G_STD: - case VIDIOC_S_STD: - case VIDIOC_ENUMINPUT: - case VIDIOC_G_INPUT: - case VIDIOC_S_INPUT: - case VIDIOC_G_TUNER: - case VIDIOC_S_TUNER: - case VIDIOC_G_FREQUENCY: - case VIDIOC_S_FREQUENCY: - case VIDIOC_LOG_STATUS: - return bttv_common_ioctls(btv,cmd,arg); - - default: - return -ENOIOCTLCMD; - } - return 0; - - fh_unlock_and_return: - mutex_unlock(&fh->cap.lock); - return retval; -} - -static int bttv_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct bttv_fh *fh = file->private_data; - - switch (cmd) { - case BTTV_VBISIZE: - bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); - return fh->lines * 2 * 2048; - default: - return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl); - } -} - -static ssize_t bttv_read(struct file *file, char __user *data, - size_t count, loff_t *ppos) -{ - struct bttv_fh *fh = file->private_data; - int retval = 0; - - if (fh->btv->errors) - bttv_reinit_bt848(fh->btv); - dprintk("bttv%d: read count=%d type=%s\n", - fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]); - - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - if (locked_btres(fh->btv,RESOURCE_VIDEO)) - return -EBUSY; - retval = videobuf_read_one(&fh->cap, data, count, ppos, - file->f_flags & O_NONBLOCK); - break; - case V4L2_BUF_TYPE_VBI_CAPTURE: - if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) - return -EBUSY; - retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1, - file->f_flags & O_NONBLOCK); - break; - default: - BUG(); - } - return retval; -} - -static unsigned int bttv_poll(struct file *file, poll_table *wait) -{ - struct bttv_fh *fh = file->private_data; - struct bttv_buffer *buf; - enum v4l2_field field; - - if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { - if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) - return POLLERR; - return videobuf_poll_stream(file, &fh->vbi, wait); - } - - if (check_btres(fh,RESOURCE_VIDEO)) { - /* streaming capture */ - if (list_empty(&fh->cap.stream)) - return POLLERR; - buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); - } else { - /* read() capture */ - mutex_lock(&fh->cap.lock); - if (NULL == fh->cap.read_buf) { - /* need to capture a new frame */ - if (locked_btres(fh->btv,RESOURCE_VIDEO)) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } - fh->cap.read_buf = videobuf_alloc(fh->cap.msize); - if (NULL == fh->cap.read_buf) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } - fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; - field = videobuf_next_field(&fh->cap); - if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { - kfree (fh->cap.read_buf); - fh->cap.read_buf = NULL; - mutex_unlock(&fh->cap.lock); - return POLLERR; - } - fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); - fh->cap.read_off = 0; - } - mutex_unlock(&fh->cap.lock); - buf = (struct bttv_buffer*)fh->cap.read_buf; - } - - poll_wait(file, &buf->vb.done, wait); - if (buf->vb.state == STATE_DONE || - buf->vb.state == STATE_ERROR) - return POLLIN|POLLRDNORM; - return 0; -} - -static int bttv_open(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - struct bttv *btv = NULL; - struct bttv_fh *fh; - enum v4l2_buf_type type = 0; - unsigned int i; - - dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); - - for (i = 0; i < bttv_num; i++) { - if (bttvs[i].video_dev && - bttvs[i].video_dev->minor == minor) { - btv = &bttvs[i]; - type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - break; - } - if (bttvs[i].vbi_dev && - bttvs[i].vbi_dev->minor == minor) { - btv = &bttvs[i]; - type = V4L2_BUF_TYPE_VBI_CAPTURE; - break; - } - } - if (NULL == btv) - return -ENODEV; - - dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", - btv->c.nr,v4l2_type_names[type]); - - /* allocate per filehandle data */ - fh = kmalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) - return -ENOMEM; - file->private_data = fh; - *fh = btv->init; - fh->type = type; - fh->ov.setup_ok = 0; - v4l2_prio_open(&btv->prio,&fh->prio); - - videobuf_queue_init(&fh->cap, &bttv_video_qops, - btv->c.pci, &btv->s_lock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct bttv_buffer), - fh); - videobuf_queue_init(&fh->vbi, &bttv_vbi_qops, - btv->c.pci, &btv->s_lock, - V4L2_BUF_TYPE_VBI_CAPTURE, - V4L2_FIELD_SEQ_TB, - sizeof(struct bttv_buffer), - fh); - i2c_vidiocschan(btv); - - btv->users++; - if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) - bttv_vbi_setlines(fh,btv,16); - bttv_field_count(btv); - return 0; -} - -static int bttv_release(struct inode *inode, struct file *file) -{ - struct bttv_fh *fh = file->private_data; - struct bttv *btv = fh->btv; - - /* turn off overlay */ - if (check_btres(fh, RESOURCE_OVERLAY)) - bttv_switch_overlay(btv,fh,NULL); - - /* stop video capture */ - if (check_btres(fh, RESOURCE_VIDEO)) { - videobuf_streamoff(&fh->cap); - free_btres(btv,fh,RESOURCE_VIDEO); - } - if (fh->cap.read_buf) { - buffer_release(&fh->cap,fh->cap.read_buf); - kfree(fh->cap.read_buf); - } - - /* stop vbi capture */ - if (check_btres(fh, RESOURCE_VBI)) { - if (fh->vbi.streaming) - videobuf_streamoff(&fh->vbi); - if (fh->vbi.reading) - videobuf_read_stop(&fh->vbi); - free_btres(btv,fh,RESOURCE_VBI); - } - - /* free stuff */ - videobuf_mmap_free(&fh->cap); - videobuf_mmap_free(&fh->vbi); - v4l2_prio_close(&btv->prio,&fh->prio); - file->private_data = NULL; - kfree(fh); - - btv->users--; - bttv_field_count(btv); - return 0; -} - -static int -bttv_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct bttv_fh *fh = file->private_data; - - dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n", - fh->btv->c.nr, v4l2_type_names[fh->type], - vma->vm_start, vma->vm_end - vma->vm_start); - return videobuf_mmap_mapper(bttv_queue(fh),vma); -} - -static struct file_operations bttv_fops = -{ - .owner = THIS_MODULE, - .open = bttv_open, - .release = bttv_release, - .ioctl = bttv_ioctl, - .compat_ioctl = v4l_compat_ioctl32, - .llseek = no_llseek, - .read = bttv_read, - .mmap = bttv_mmap, - .poll = bttv_poll, -}; - -static struct video_device bttv_video_template = -{ - .name = "UNSET", - .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| - VID_TYPE_CLIPPING|VID_TYPE_SCALES, - .hardware = VID_HARDWARE_BT848, - .fops = &bttv_fops, - .minor = -1, -}; - -static struct video_device bttv_vbi_template = -{ - .name = "bt848/878 vbi", - .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, - .hardware = VID_HARDWARE_BT848, - .fops = &bttv_fops, - .minor = -1, -}; - -/* ----------------------------------------------------------------------- */ -/* radio interface */ - -static int radio_open(struct inode *inode, struct file *file) -{ - int minor = iminor(inode); - struct bttv *btv = NULL; - unsigned int i; - - dprintk("bttv: open minor=%d\n",minor); - - for (i = 0; i < bttv_num; i++) { - if (bttvs[i].radio_dev->minor == minor) { - btv = &bttvs[i]; - break; - } - } - if (NULL == btv) - return -ENODEV; - - dprintk("bttv%d: open called (radio)\n",btv->c.nr); - mutex_lock(&btv->lock); - - btv->radio_user++; - - file->private_data = btv; - - bttv_call_i2c_clients(btv,AUDC_SET_RADIO,&btv->tuner_type); - audio_mux(btv,AUDIO_RADIO); - - mutex_unlock(&btv->lock); - return 0; -} - -static int radio_release(struct inode *inode, struct file *file) -{ - struct bttv *btv = file->private_data; - struct rds_command cmd; - - btv->radio_user--; - - bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd); - - return 0; -} - -static int radio_do_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, void *arg) -{ - struct bttv *btv = file->private_data; - - switch (cmd) { - case VIDIOCGCAP: - { - struct video_capability *cap = arg; - - memset(cap,0,sizeof(*cap)); - strcpy(cap->name,btv->radio_dev->name); - cap->type = VID_TYPE_TUNER; - cap->channels = 1; - cap->audios = 1; - return 0; - } - - case VIDIOCGTUNER: - { - struct video_tuner *v = arg; - - if(v->tuner) - return -EINVAL; - memset(v,0,sizeof(*v)); - strcpy(v->name, "Radio"); - bttv_call_i2c_clients(btv,cmd,v); - return 0; - } - case VIDIOCSTUNER: - /* nothing to do */ - return 0; - - case BTTV_VERSION: - case VIDIOCGFREQ: - case VIDIOCSFREQ: - case VIDIOCGAUDIO: - case VIDIOCSAUDIO: - case VIDIOC_LOG_STATUS: - return bttv_common_ioctls(btv,cmd,arg); - - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static int radio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); -} - -static ssize_t radio_read(struct file *file, char __user *data, - size_t count, loff_t *ppos) -{ - struct bttv *btv = file->private_data; - struct rds_command cmd; - cmd.block_count = count/3; - cmd.buffer = data; - cmd.instance = file; - cmd.result = -ENODEV; - - bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd); - - return cmd.result; -} - -static unsigned int radio_poll(struct file *file, poll_table *wait) -{ - struct bttv *btv = file->private_data; - struct rds_command cmd; - cmd.instance = file; - cmd.event_list = wait; - cmd.result = -ENODEV; - bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd); - - return cmd.result; -} - -static struct file_operations radio_fops = -{ - .owner = THIS_MODULE, - .open = radio_open, - .read = radio_read, - .release = radio_release, - .ioctl = radio_ioctl, - .llseek = no_llseek, - .poll = radio_poll, -}; - -static struct video_device radio_template = -{ - .name = "bt848/878 radio", - .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_BT848, - .fops = &radio_fops, - .minor = -1, -}; - -/* ----------------------------------------------------------------------- */ -/* some debug code */ - -static int bttv_risc_decode(u32 risc) -{ - static char *instr[16] = { - [ BT848_RISC_WRITE >> 28 ] = "write", - [ BT848_RISC_SKIP >> 28 ] = "skip", - [ BT848_RISC_WRITEC >> 28 ] = "writec", - [ BT848_RISC_JUMP >> 28 ] = "jump", - [ BT848_RISC_SYNC >> 28 ] = "sync", - [ BT848_RISC_WRITE123 >> 28 ] = "write123", - [ BT848_RISC_SKIP123 >> 28 ] = "skip123", - [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23", - }; - static int incr[16] = { - [ BT848_RISC_WRITE >> 28 ] = 2, - [ BT848_RISC_JUMP >> 28 ] = 2, - [ BT848_RISC_SYNC >> 28 ] = 2, - [ BT848_RISC_WRITE123 >> 28 ] = 5, - [ BT848_RISC_SKIP123 >> 28 ] = 2, - [ BT848_RISC_WRITE1S23 >> 28 ] = 3, - }; - static char *bits[] = { - "be0", "be1", "be2", "be3/resync", - "set0", "set1", "set2", "set3", - "clr0", "clr1", "clr2", "clr3", - "irq", "res", "eol", "sol", - }; - int i; - - printk("0x%08x [ %s", risc, - instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); - for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) - if (risc & (1 << (i + 12))) - printk(" %s",bits[i]); - printk(" count=%d ]\n", risc & 0xfff); - return incr[risc >> 28] ? incr[risc >> 28] : 1; -} - -static void bttv_risc_disasm(struct bttv *btv, - struct btcx_riscmem *risc) -{ - unsigned int i,j,n; - - printk("%s: risc disasm: %p [dma=0x%08lx]\n", - btv->c.name, risc->cpu, (unsigned long)risc->dma); - for (i = 0; i < (risc->size >> 2); i += n) { - printk("%s: 0x%lx: ", btv->c.name, - (unsigned long)(risc->dma + (i<<2))); - n = bttv_risc_decode(risc->cpu[i]); - for (j = 1; j < n; j++) - printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", - btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), - risc->cpu[i+j], j); - if (0 == risc->cpu[i]) - break; - } -} - -static void bttv_print_riscaddr(struct bttv *btv) -{ - printk(" main: %08Lx\n", - (unsigned long long)btv->main.dma); - printk(" vbi : o=%08Lx e=%08Lx\n", - btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0, - btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0); - printk(" cap : o=%08Lx e=%08Lx\n", - btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0, - btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0); - printk(" scr : o=%08Lx e=%08Lx\n", - btv->screen ? (unsigned long long)btv->screen->top.dma : 0, - btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0); - bttv_risc_disasm(btv, &btv->main); -} - -/* ----------------------------------------------------------------------- */ -/* irq handler */ - -static char *irq_name[] = { - "FMTCHG", // format change detected (525 vs. 625) - "VSYNC", // vertical sync (new field) - "HSYNC", // horizontal sync - "OFLOW", // chroma/luma AGC overflow - "HLOCK", // horizontal lock changed - "VPRES", // video presence changed - "6", "7", - "I2CDONE", // hw irc operation finished - "GPINT", // gpio port triggered irq - "10", - "RISCI", // risc instruction triggered irq - "FBUS", // pixel data fifo dropped data (high pci bus latencies) - "FTRGT", // pixel data fifo overrun - "FDSR", // fifo data stream resyncronisation - "PPERR", // parity error (data transfer) - "RIPERR", // parity error (read risc instructions) - "PABORT", // pci abort - "OCERR", // risc instruction error - "SCERR", // syncronisation error -}; - -static void bttv_print_irqbits(u32 print, u32 mark) -{ - unsigned int i; - - printk("bits:"); - for (i = 0; i < ARRAY_SIZE(irq_name); i++) { - if (print & (1 << i)) - printk(" %s",irq_name[i]); - if (mark & (1 << i)) - printk("*"); - } -} - -static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc) -{ - printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n", - btv->c.nr, - (unsigned long)btv->main.dma, - (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1], - (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1], - (unsigned long)rc); - - if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) { - printk("bttv%d: Oh, there (temporarely?) is no input signal. " - "Ok, then this is harmless, don't worry ;)\n", - btv->c.nr); - return; - } - printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n", - btv->c.nr); - printk("bttv%d: Lets try to catch the culpit red-handed ...\n", - btv->c.nr); - dump_stack(); -} - -static int -bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set) -{ - struct bttv_buffer *item; - - memset(set,0,sizeof(*set)); - - /* capture request ? */ - if (!list_empty(&btv->capture)) { - set->frame_irq = 1; - item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); - if (V4L2_FIELD_HAS_TOP(item->vb.field)) - set->top = item; - if (V4L2_FIELD_HAS_BOTTOM(item->vb.field)) - set->bottom = item; - - /* capture request for other field ? */ - if (!V4L2_FIELD_HAS_BOTH(item->vb.field) && - (item->vb.queue.next != &btv->capture)) { - item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue); - if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) { - if (NULL == set->top && - V4L2_FIELD_TOP == item->vb.field) { - set->top = item; - } - if (NULL == set->bottom && - V4L2_FIELD_BOTTOM == item->vb.field) { - set->bottom = item; - } - if (NULL != set->top && NULL != set->bottom) - set->top_irq = 2; - } - } - } - - /* screen overlay ? */ - if (NULL != btv->screen) { - if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) { - if (NULL == set->top && NULL == set->bottom) { - set->top = btv->screen; - set->bottom = btv->screen; - } - } else { - if (V4L2_FIELD_TOP == btv->screen->vb.field && - NULL == set->top) { - set->top = btv->screen; - } - if (V4L2_FIELD_BOTTOM == btv->screen->vb.field && - NULL == set->bottom) { - set->bottom = btv->screen; - } - } - } - - dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n", - btv->c.nr,set->top, set->bottom, - btv->screen,set->frame_irq,set->top_irq); - return 0; -} - -static void -bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup, - struct bttv_buffer_set *curr, unsigned int state) -{ - struct timeval ts; - - do_gettimeofday(&ts); - - if (wakeup->top == wakeup->bottom) { - if (NULL != wakeup->top && curr->top != wakeup->top) { - if (irq_debug > 1) - printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top); - wakeup->top->vb.ts = ts; - wakeup->top->vb.field_count = btv->field_count; - wakeup->top->vb.state = state; - wake_up(&wakeup->top->vb.done); - } - } else { - if (NULL != wakeup->top && curr->top != wakeup->top) { - if (irq_debug > 1) - printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top); - wakeup->top->vb.ts = ts; - wakeup->top->vb.field_count = btv->field_count; - wakeup->top->vb.state = state; - wake_up(&wakeup->top->vb.done); - } - if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) { - if (irq_debug > 1) - printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom); - wakeup->bottom->vb.ts = ts; - wakeup->bottom->vb.field_count = btv->field_count; - wakeup->bottom->vb.state = state; - wake_up(&wakeup->bottom->vb.done); - } - } -} - -static void -bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup, - unsigned int state) -{ - struct timeval ts; - - if (NULL == wakeup) - return; - - do_gettimeofday(&ts); - wakeup->vb.ts = ts; - wakeup->vb.field_count = btv->field_count; - wakeup->vb.state = state; - wake_up(&wakeup->vb.done); -} - -static void bttv_irq_timeout(unsigned long data) -{ - struct bttv *btv = (struct bttv *)data; - struct bttv_buffer_set old,new; - struct bttv_buffer *ovbi; - struct bttv_buffer *item; - unsigned long flags; - - if (bttv_verbose) { - printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ", - btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total, - btread(BT848_RISC_COUNT)); - bttv_print_irqbits(btread(BT848_INT_STAT),0); - printk("\n"); - } - - spin_lock_irqsave(&btv->s_lock,flags); - - /* deactivate stuff */ - memset(&new,0,sizeof(new)); - old = btv->curr; - ovbi = btv->cvbi; - btv->curr = new; - btv->cvbi = NULL; - btv->loop_irq = 0; - bttv_buffer_activate_video(btv, &new); - bttv_buffer_activate_vbi(btv, NULL); - bttv_set_dma(btv, 0); - - /* wake up */ - bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR); - bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR); - - /* cancel all outstanding capture / vbi requests */ - while (!list_empty(&btv->capture)) { - item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); - list_del(&item->vb.queue); - item->vb.state = STATE_ERROR; - wake_up(&item->vb.done); - } - while (!list_empty(&btv->vcapture)) { - item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); - list_del(&item->vb.queue); - item->vb.state = STATE_ERROR; - wake_up(&item->vb.done); - } - - btv->errors++; - spin_unlock_irqrestore(&btv->s_lock,flags); -} - -static void -bttv_irq_wakeup_top(struct bttv *btv) -{ - struct bttv_buffer *wakeup = btv->curr.top; - - if (NULL == wakeup) - return; - - spin_lock(&btv->s_lock); - btv->curr.top_irq = 0; - btv->curr.top = NULL; - bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0); - - do_gettimeofday(&wakeup->vb.ts); - wakeup->vb.field_count = btv->field_count; - wakeup->vb.state = STATE_DONE; - wake_up(&wakeup->vb.done); - spin_unlock(&btv->s_lock); -} - -static inline int is_active(struct btcx_riscmem *risc, u32 rc) -{ - if (rc < risc->dma) - return 0; - if (rc > risc->dma + risc->size) - return 0; - return 1; -} - -static void -bttv_irq_switch_video(struct bttv *btv) -{ - struct bttv_buffer_set new; - struct bttv_buffer_set old; - dma_addr_t rc; - - spin_lock(&btv->s_lock); - - /* new buffer set */ - bttv_irq_next_video(btv, &new); - rc = btread(BT848_RISC_COUNT); - if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) || - (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) { - btv->framedrop++; - if (debug_latency) - bttv_irq_debug_low_latency(btv, rc); - spin_unlock(&btv->s_lock); - return; - } - - /* switch over */ - old = btv->curr; - btv->curr = new; - btv->loop_irq &= ~1; - bttv_buffer_activate_video(btv, &new); - bttv_set_dma(btv, 0); - - /* switch input */ - if (UNSET != btv->new_input) { - video_mux(btv,btv->new_input); - btv->new_input = UNSET; - } - - /* wake up finished buffers */ - bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE); - spin_unlock(&btv->s_lock); -} - -static void -bttv_irq_switch_vbi(struct bttv *btv) -{ - struct bttv_buffer *new = NULL; - struct bttv_buffer *old; - u32 rc; - - spin_lock(&btv->s_lock); - - if (!list_empty(&btv->vcapture)) - new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); - old = btv->cvbi; - - rc = btread(BT848_RISC_COUNT); - if (NULL != old && (is_active(&old->top, rc) || - is_active(&old->bottom, rc))) { - btv->framedrop++; - if (debug_latency) - bttv_irq_debug_low_latency(btv, rc); - spin_unlock(&btv->s_lock); - return; - } - - /* switch */ - btv->cvbi = new; - btv->loop_irq &= ~4; - bttv_buffer_activate_vbi(btv, new); - bttv_set_dma(btv, 0); - - bttv_irq_wakeup_vbi(btv, old, STATE_DONE); - spin_unlock(&btv->s_lock); -} - -static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs) -{ - u32 stat,astat; - u32 dstat; - int count; - struct bttv *btv; - int handled = 0; - - btv=(struct bttv *)dev_id; - - if (btv->custom_irq) - handled = btv->custom_irq(btv); - - count=0; - while (1) { - /* get/clear interrupt status bits */ - stat=btread(BT848_INT_STAT); - astat=stat&btread(BT848_INT_MASK); - if (!astat) - break; - handled = 1; - btwrite(stat,BT848_INT_STAT); - - /* get device status bits */ - dstat=btread(BT848_DSTATUS); - - if (irq_debug) { - printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d " - "riscs=%x, riscc=%08x, ", - btv->c.nr, count, btv->field_count, - stat>>28, btread(BT848_RISC_COUNT)); - bttv_print_irqbits(stat,astat); - if (stat & BT848_INT_HLOCK) - printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC) - ? "yes" : "no"); - if (stat & BT848_INT_VPRES) - printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES) - ? "yes" : "no"); - if (stat & BT848_INT_FMTCHG) - printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML) - ? "625" : "525"); - printk("\n"); - } - - if (astat&BT848_INT_VSYNC) - btv->field_count++; - - if ((astat & BT848_INT_GPINT) && btv->remote) { - wake_up(&btv->gpioq); - bttv_input_irq(btv); - } - - if (astat & BT848_INT_I2CDONE) { - btv->i2c_done = stat; - wake_up(&btv->i2c_queue); - } - - if ((astat & BT848_INT_RISCI) && (stat & (4<<28))) - bttv_irq_switch_vbi(btv); - - if ((astat & BT848_INT_RISCI) && (stat & (2<<28))) - bttv_irq_wakeup_top(btv); - - if ((astat & BT848_INT_RISCI) && (stat & (1<<28))) - bttv_irq_switch_video(btv); - - if ((astat & BT848_INT_HLOCK) && btv->opt_automute) - audio_mux(btv, -1); - - if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) { - printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr, - (astat & BT848_INT_SCERR) ? "SCERR" : "", - (astat & BT848_INT_OCERR) ? "OCERR" : "", - btread(BT848_RISC_COUNT)); - bttv_print_irqbits(stat,astat); - printk("\n"); - if (bttv_debug) - bttv_print_riscaddr(btv); - } - if (fdsr && astat & BT848_INT_FDSR) { - printk(KERN_INFO "bttv%d: FDSR @ %08x\n", - btv->c.nr,btread(BT848_RISC_COUNT)); - if (bttv_debug) - bttv_print_riscaddr(btv); - } - - count++; - if (count > 4) { - - if (count > 8 || !(astat & BT848_INT_GPINT)) { - btwrite(0, BT848_INT_MASK); - - printk(KERN_ERR - "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); - } else { - printk(KERN_ERR - "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); - - btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), - BT848_INT_MASK); - }; - - bttv_print_irqbits(stat,astat); - - printk("]\n"); - } - } - btv->irq_total++; - if (handled) - btv->irq_me++; - return IRQ_RETVAL(handled); -} - - -/* ----------------------------------------------------------------------- */ -/* initialitation */ - -static struct video_device *vdev_init(struct bttv *btv, - struct video_device *template, - char *type) -{ - struct video_device *vfd; - - vfd = video_device_alloc(); - if (NULL == vfd) - return NULL; - *vfd = *template; - vfd->minor = -1; - vfd->dev = &btv->c.pci->dev; - vfd->release = video_device_release; - snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", - btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", - type, bttv_tvcards[btv->c.type].name); - return vfd; -} - -static void bttv_unregister_video(struct bttv *btv) -{ - if (btv->video_dev) { - if (-1 != btv->video_dev->minor) - video_unregister_device(btv->video_dev); - else - video_device_release(btv->video_dev); - btv->video_dev = NULL; - } - if (btv->vbi_dev) { - if (-1 != btv->vbi_dev->minor) - video_unregister_device(btv->vbi_dev); - else - video_device_release(btv->vbi_dev); - btv->vbi_dev = NULL; - } - if (btv->radio_dev) { - if (-1 != btv->radio_dev->minor) - video_unregister_device(btv->radio_dev); - else - video_device_release(btv->radio_dev); - btv->radio_dev = NULL; - } -} - -/* register video4linux devices */ -static int __devinit bttv_register_video(struct bttv *btv) -{ - if (no_overlay <= 0) { - bttv_video_template.type |= VID_TYPE_OVERLAY; - } else { - printk("bttv: Overlay support disabled.\n"); - } - - /* video */ - btv->video_dev = vdev_init(btv, &bttv_video_template, "video"); - if (NULL == btv->video_dev) - goto err; - if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) - goto err; - printk(KERN_INFO "bttv%d: registered device video%d\n", - btv->c.nr,btv->video_dev->minor & 0x1f); - video_device_create_file(btv->video_dev, &class_device_attr_card); - - /* vbi */ - btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi"); - if (NULL == btv->vbi_dev) - goto err; - if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) - goto err; - printk(KERN_INFO "bttv%d: registered device vbi%d\n", - btv->c.nr,btv->vbi_dev->minor & 0x1f); - - if (!btv->has_radio) - return 0; - /* radio */ - btv->radio_dev = vdev_init(btv, &radio_template, "radio"); - if (NULL == btv->radio_dev) - goto err; - if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) - goto err; - printk(KERN_INFO "bttv%d: registered device radio%d\n", - btv->c.nr,btv->radio_dev->minor & 0x1f); - - /* all done */ - return 0; - - err: - bttv_unregister_video(btv); - return -1; -} - - -/* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ -/* response on cards with no firmware is not enabled by OF */ -static void pci_set_command(struct pci_dev *dev) -{ -#if defined(__powerpc__) - unsigned int cmd; - - pci_read_config_dword(dev, PCI_COMMAND, &cmd); - cmd = (cmd | PCI_COMMAND_MEMORY ); - pci_write_config_dword(dev, PCI_COMMAND, cmd); -#endif -} - -static int __devinit bttv_probe(struct pci_dev *dev, - const struct pci_device_id *pci_id) -{ - int result; - unsigned char lat; - struct bttv *btv; - - if (bttv_num == BTTV_MAX) - return -ENOMEM; - printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); - btv=&bttvs[bttv_num]; - memset(btv,0,sizeof(*btv)); - btv->c.nr = bttv_num; - sprintf(btv->c.name,"bttv%d",btv->c.nr); - - /* initialize structs / fill in defaults */ - mutex_init(&btv->lock); - mutex_init(&btv->reslock); - spin_lock_init(&btv->s_lock); - spin_lock_init(&btv->gpio_lock); - init_waitqueue_head(&btv->gpioq); - init_waitqueue_head(&btv->i2c_queue); - INIT_LIST_HEAD(&btv->c.subs); - INIT_LIST_HEAD(&btv->capture); - INIT_LIST_HEAD(&btv->vcapture); - v4l2_prio_init(&btv->prio); - - init_timer(&btv->timeout); - btv->timeout.function = bttv_irq_timeout; - btv->timeout.data = (unsigned long)btv; - - btv->i2c_rc = -1; - btv->tuner_type = UNSET; - btv->new_input = UNSET; - btv->has_radio=radio[btv->c.nr]; - - /* pci stuff (init, get irq/mmio, ... */ - btv->c.pci = dev; - btv->id = dev->device; - if (pci_enable_device(dev)) { - printk(KERN_WARNING "bttv%d: Can't enable device.\n", - btv->c.nr); - return -EIO; - } - if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { - printk(KERN_WARNING "bttv%d: No suitable DMA available.\n", - btv->c.nr); - return -EIO; - } - if (!request_mem_region(pci_resource_start(dev,0), - pci_resource_len(dev,0), - btv->c.name)) { - printk(KERN_WARNING "bttv%d: can't request iomem (0x%lx).\n", - btv->c.nr, pci_resource_start(dev,0)); - return -EBUSY; - } - pci_set_master(dev); - pci_set_command(dev); - pci_set_drvdata(dev,btv); - - pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ", - bttv_num,btv->id, btv->revision, pci_name(dev)); - printk("irq: %d, latency: %d, mmio: 0x%lx\n", - btv->c.pci->irq, lat, pci_resource_start(dev,0)); - schedule(); - - btv->bt848_mmio=ioremap(pci_resource_start(dev,0), 0x1000); - if (NULL == ioremap(pci_resource_start(dev,0), 0x1000)) { - printk("bttv%d: ioremap() failed\n", btv->c.nr); - result = -EIO; - goto fail1; - } - - /* identify card */ - bttv_idcard(btv); - - /* disable irqs, register irq handler */ - btwrite(0, BT848_INT_MASK); - result = request_irq(btv->c.pci->irq, bttv_irq, - SA_SHIRQ | SA_INTERRUPT,btv->c.name,(void *)btv); - if (result < 0) { - printk(KERN_ERR "bttv%d: can't get IRQ %d\n", - bttv_num,btv->c.pci->irq); - goto fail1; - } - - if (0 != bttv_handle_chipset(btv)) { - result = -EIO; - goto fail2; - } - - /* init options from insmod args */ - btv->opt_combfilter = combfilter; - btv->opt_lumafilter = lumafilter; - btv->opt_automute = automute; - btv->opt_chroma_agc = chroma_agc; - btv->opt_adc_crush = adc_crush; - btv->opt_vcr_hack = vcr_hack; - btv->opt_whitecrush_upper = whitecrush_upper; - btv->opt_whitecrush_lower = whitecrush_lower; - btv->opt_uv_ratio = uv_ratio; - btv->opt_full_luma_range = full_luma_range; - btv->opt_coring = coring; - - /* fill struct bttv with some useful defaults */ - btv->init.btv = btv; - btv->init.ov.w.width = 320; - btv->init.ov.w.height = 240; - btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24); - btv->init.width = 320; - btv->init.height = 240; - btv->init.lines = 16; - btv->input = 0; - - /* initialize hardware */ - if (bttv_gpio) - bttv_gpio_tracking(btv,"pre-init"); - - bttv_risc_init_main(btv); - init_bt848(btv); - - /* gpio */ - btwrite(0x00, BT848_GPIO_REG_INP); - btwrite(0x00, BT848_GPIO_OUT_EN); - if (bttv_verbose) - bttv_gpio_tracking(btv,"init"); - - /* needs to be done before i2c is registered */ - bttv_init_card1(btv); - - /* register i2c + gpio */ - init_bttv_i2c(btv); - - /* some card-specific stuff (needs working i2c) */ - bttv_init_card2(btv); - init_irqreg(btv); - - /* register video4linux + input */ - if (!bttv_tvcards[btv->c.type].no_video) { - bttv_register_video(btv); - bt848_bright(btv,32768); - bt848_contrast(btv,32768); - bt848_hue(btv,32768); - bt848_sat(btv,32768); - audio_mux(btv,AUDIO_MUTE); - set_input(btv,0); - } - - /* add subdevices */ - if (bttv_tvcards[btv->c.type].has_dvb) - bttv_sub_add_device(&btv->c, "dvb"); - - bttv_input_init(btv); - - /* everything is fine */ - bttv_num++; - return 0; - - fail2: - free_irq(btv->c.pci->irq,btv); - - fail1: - if (btv->bt848_mmio) - iounmap(btv->bt848_mmio); - release_mem_region(pci_resource_start(btv->c.pci,0), - pci_resource_len(btv->c.pci,0)); - pci_set_drvdata(dev,NULL); - return result; -} - -static void __devexit bttv_remove(struct pci_dev *pci_dev) -{ - struct bttv *btv = pci_get_drvdata(pci_dev); - - if (bttv_verbose) - printk("bttv%d: unloading\n",btv->c.nr); - - /* shutdown everything (DMA+IRQs) */ - btand(~15, BT848_GPIO_DMA_CTL); - btwrite(0, BT848_INT_MASK); - btwrite(~0x0, BT848_INT_STAT); - btwrite(0x0, BT848_GPIO_OUT_EN); - if (bttv_gpio) - bttv_gpio_tracking(btv,"cleanup"); - - /* tell gpio modules we are leaving ... */ - btv->shutdown=1; - wake_up(&btv->gpioq); - bttv_input_fini(btv); - bttv_sub_del_devices(&btv->c); - - /* unregister i2c_bus + input */ - fini_bttv_i2c(btv); - - /* unregister video4linux */ - bttv_unregister_video(btv); - - /* free allocated memory */ - btcx_riscmem_free(btv->c.pci,&btv->main); - - /* free ressources */ - free_irq(btv->c.pci->irq,btv); - iounmap(btv->bt848_mmio); - release_mem_region(pci_resource_start(btv->c.pci,0), - pci_resource_len(btv->c.pci,0)); - - pci_set_drvdata(pci_dev, NULL); - return; -} - -static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) -{ - struct bttv *btv = pci_get_drvdata(pci_dev); - struct bttv_buffer_set idle; - unsigned long flags; - - dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event); - - /* stop dma + irqs */ - spin_lock_irqsave(&btv->s_lock,flags); - memset(&idle, 0, sizeof(idle)); - btv->state.video = btv->curr; - btv->state.vbi = btv->cvbi; - btv->state.loop_irq = btv->loop_irq; - btv->curr = idle; - btv->loop_irq = 0; - bttv_buffer_activate_video(btv, &idle); - bttv_buffer_activate_vbi(btv, NULL); - bttv_set_dma(btv, 0); - btwrite(0, BT848_INT_MASK); - spin_unlock_irqrestore(&btv->s_lock,flags); - - /* save bt878 state */ - btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); - btv->state.gpio_data = gpio_read(); - - /* save pci state */ - pci_save_state(pci_dev); - if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { - pci_disable_device(pci_dev); - btv->state.disabled = 1; - } - return 0; -} - -static int bttv_resume(struct pci_dev *pci_dev) -{ - struct bttv *btv = pci_get_drvdata(pci_dev); - unsigned long flags; - int err; - - dprintk("bttv%d: resume\n", btv->c.nr); - - /* restore pci state */ - if (btv->state.disabled) { - err=pci_enable_device(pci_dev); - if (err) { - printk(KERN_WARNING "bttv%d: Can't enable device.\n", - btv->c.nr); - return err; - } - btv->state.disabled = 0; - } - err=pci_set_power_state(pci_dev, PCI_D0); - if (err) { - pci_disable_device(pci_dev); - printk(KERN_WARNING "bttv%d: Can't enable device.\n", - btv->c.nr); - btv->state.disabled = 1; - return err; - } - - pci_restore_state(pci_dev); - - /* restore bt878 state */ - bttv_reinit_bt848(btv); - gpio_inout(0xffffff, btv->state.gpio_enable); - gpio_write(btv->state.gpio_data); - - /* restart dma */ - spin_lock_irqsave(&btv->s_lock,flags); - btv->curr = btv->state.video; - btv->cvbi = btv->state.vbi; - btv->loop_irq = btv->state.loop_irq; - bttv_buffer_activate_video(btv, &btv->curr); - bttv_buffer_activate_vbi(btv, btv->cvbi); - bttv_set_dma(btv, 0); - spin_unlock_irqrestore(&btv->s_lock,flags); - return 0; -} - -static struct pci_device_id bttv_pci_tbl[] = { - {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); - -static struct pci_driver bttv_pci_driver = { - .name = "bttv", - .id_table = bttv_pci_tbl, - .probe = bttv_probe, - .remove = __devexit_p(bttv_remove), - .suspend = bttv_suspend, - .resume = bttv_resume, -}; - -static int bttv_init_module(void) -{ - bttv_num = 0; - - printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n", - (BTTV_VERSION_CODE >> 16) & 0xff, - (BTTV_VERSION_CODE >> 8) & 0xff, - BTTV_VERSION_CODE & 0xff); -#ifdef SNAPSHOT - printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n", - SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); -#endif - if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) - gbuffers = 2; - if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF) - gbufsize = BTTV_MAX_FBUF; - gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; - if (bttv_verbose) - printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n", - gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT); - - bttv_check_chipset(); - - bus_register(&bttv_sub_bus_type); - return pci_register_driver(&bttv_pci_driver); -} - -static void bttv_cleanup_module(void) -{ - pci_unregister_driver(&bttv_pci_driver); - bus_unregister(&bttv_sub_bus_type); - return; -} - -module_init(bttv_init_module); -module_exit(bttv_cleanup_module); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |