diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-main.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-main.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c new file mode 100644 index 00000000000..b95248274ed --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-main.c @@ -0,0 +1,172 @@ +/* + * + * $Id$ + * + * Copyright (C) 2005 Mike Isely <isely@pobox.com> + * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> + * + * 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 + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/smp_lock.h> +#include <linux/usb.h> +#include <linux/videodev2.h> + +#include "pvrusb2-hdw.h" +#include "pvrusb2-context.h" +#include "pvrusb2-debug.h" +#include "pvrusb2-v4l2.h" +#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS +#include "pvrusb2-sysfs.h" +#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ + +#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>" +#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner" +#define DRIVER_VERSION "V4L in-tree version" + +#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \ + PVR2_TRACE_INFO| \ + PVR2_TRACE_TOLERANCE| \ + PVR2_TRACE_TRAP| \ + 0) + +int pvrusb2_debug = DEFAULT_DEBUG_MASK; + +module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(debug, "Debug trace mask"); + +#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS +static struct pvr2_sysfs_class *class_ptr = 0; +#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ + +static void pvr_setup_attach(struct pvr2_context *pvr) +{ + /* Create association with v4l layer */ + pvr2_v4l2_create(pvr); +#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS + pvr2_sysfs_create(pvr,class_ptr); +#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ +} + +static int pvr_probe(struct usb_interface *intf, + const struct usb_device_id *devid) +{ + struct pvr2_context *pvr; + + /* Create underlying hardware interface */ + pvr = pvr2_context_create(intf,devid,pvr_setup_attach); + if (!pvr) { + pvr2_trace(PVR2_TRACE_ERROR_LEGS, + "Failed to create hdw handler"); + return -ENOMEM; + } + + pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr); + + usb_set_intfdata(intf, pvr); + + return 0; +} + +/* + * pvr_disconnect() + * + */ +static void pvr_disconnect(struct usb_interface *intf) +{ + struct pvr2_context *pvr = usb_get_intfdata(intf); + + pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr); + + usb_set_intfdata (intf, NULL); + pvr2_context_disconnect(pvr); + + pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr); + +} + +static struct usb_driver pvr_driver = { + name: "pvrusb2", + id_table: pvr2_device_table, + probe: pvr_probe, + disconnect: pvr_disconnect +}; + +/* + * pvr_init() / pvr_exit() + * + * This code is run to initialize/exit the driver. + * + */ +static int __init pvr_init(void) +{ + int ret; + + pvr2_trace(PVR2_TRACE_INIT,"pvr_init"); + +#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS + class_ptr = pvr2_sysfs_class_create(); +#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ + + ret = usb_register(&pvr_driver); + + if (ret == 0) + info(DRIVER_DESC " : " DRIVER_VERSION); + if (pvrusb2_debug) info("Debug mask is %d (0x%x)", + pvrusb2_debug,pvrusb2_debug); + + return ret; +} + +static void __exit pvr_exit(void) +{ + + pvr2_trace(PVR2_TRACE_INIT,"pvr_exit"); + +#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS + pvr2_sysfs_class_destroy(class_ptr); +#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ + + usb_deregister(&pvr_driver); +} + +module_init(pvr_init); +module_exit(pvr_exit); + +/* Mike Isely <mcisely@pobox.com> 11-Mar-2006: See pvrusb2-hdw.c for + MODULE_DEVICE_TABLE(). We have to declare that attribute there + because that's where the device table actually is now and it seems + that certain gcc configurations get angry if MODULE_DEVICE_TABLE() + is used on what ends up being an external symbol. */ +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + + +/* + Stuff for Emacs to see, in order to encourage consistent editing style: + *** Local Variables: *** + *** mode: c *** + *** fill-column: 70 *** + *** tab-width: 8 *** + *** c-basic-offset: 8 *** + *** End: *** + */ |