[mirror_ubuntu-artful-kernel.git] / drivers / media / usb / pvrusb2 / pvrusb2-main.c

/*
 *
 *
 *  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.
 *
 */

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>

#include "pvrusb2-hdw.h"
#include "pvrusb2-devattr.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_STD| \
			    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 = NULL;
#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_DVB
	/* Create association with dvb layer */
	pvr2_dvb_create(pvr);
#endif
#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");

	ret = pvr2_context_global_init();
	if (ret != 0) {
		pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
		return ret;
	}

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	class_ptr = pvr2_sysfs_class_create();
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

	ret = usb_register(&pvr_driver);

	if (ret == 0)
		printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
		       DRIVER_DESC "\n");
	if (pvrusb2_debug)
		printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
		       pvrusb2_debug,pvrusb2_debug);

	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");

	return ret;
}

static void __exit pvr_exit(void)
{
	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");

	usb_deregister(&pvr_driver);

	pvr2_context_global_done();

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	pvr2_sysfs_class_destroy(class_ptr);
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
}

module_init(pvr_init);
module_exit(pvr_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_VERSION("0.9.1");
Commit	Line	Data
d855497e MI	1	/*
d855497e MI	2	*
d855497e MI	3	*
	4	* Copyright (C) 2005 Mike Isely <isely@pobox.com>
	5	* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
d855497e MI	16	*/
d855497e MI	17
d855497e MI	18	#include <linux/kernel.h>
d855497e MI	19	#include <linux/errno.h>
d855497e	20	#include <linux/module.h>
d855497e MI	21	#include <linux/usb.h>
	22	#include <linux/videodev2.h>
	23
	24	#include "pvrusb2-hdw.h"
989eb154	25	#include "pvrusb2-devattr.h"
d855497e MI	26	#include "pvrusb2-context.h"
	27	#include "pvrusb2-debug.h"
	28	#include "pvrusb2-v4l2.h"
	29	#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	30	#include "pvrusb2-sysfs.h"
	31	#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
	32
	33	#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
	34	#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
	35	#define DRIVER_VERSION "V4L in-tree version"
	36
	37	#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS\| \
	38	PVR2_TRACE_INFO\| \
56585386	39	PVR2_TRACE_STD\| \
d855497e MI	40	PVR2_TRACE_TOLERANCE\| \
d855497e MI	41	PVR2_TRACE_TRAP\| \
d855497e MI	42	0)
	43
	44	int pvrusb2_debug = DEFAULT_DEBUG_MASK;
	45
	46	module_param_named(debug,pvrusb2_debug,int,S_IRUGO\|S_IWUSR);
	47	MODULE_PARM_DESC(debug, "Debug trace mask");
	48
	49	#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
a0fd1cb1	50	static struct pvr2_sysfs_class *class_ptr = NULL;
d855497e MI	51	#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
	52
	53	static void pvr_setup_attach(struct pvr2_context *pvr)
	54	{
	55	/* Create association with v4l layer */
	56	pvr2_v4l2_create(pvr);
04910bdc MK	57	#ifdef CONFIG_VIDEO_PVRUSB2_DVB
04910bdc MK	58	/* Create association with dvb layer */
c5317b17	59	pvr2_dvb_create(pvr);
04910bdc	60	#endif
d855497e MI	61	#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	62	pvr2_sysfs_create(pvr,class_ptr);
	63	#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
	64	}
	65
	66	static int pvr_probe(struct usb_interface *intf,
	67	const struct usb_device_id *devid)
	68	{
	69	struct pvr2_context *pvr;
	70
	71	/* Create underlying hardware interface */
	72	pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
	73	if (!pvr) {
	74	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
	75	"Failed to create hdw handler");
	76	return -ENOMEM;
	77	}
	78
	79	pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
	80
	81	usb_set_intfdata(intf, pvr);
	82
	83	return 0;
	84	}
	85
	86	/*
	87	* pvr_disconnect()
	88	*
	89	*/
	90	static void pvr_disconnect(struct usb_interface *intf)
	91	{
	92	struct pvr2_context *pvr = usb_get_intfdata(intf);
	93
	94	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
	95
	96	usb_set_intfdata (intf, NULL);
	97	pvr2_context_disconnect(pvr);
	98
	99	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
	100
	101	}
	102
	103	static struct usb_driver pvr_driver = {
a0fd1cb1 MI	104	.name = "pvrusb2",
	105	.id_table = pvr2_device_table,
	106	.probe = pvr_probe,
	107	.disconnect = pvr_disconnect
d855497e MI	108	};
	109
	110	/*
	111	* pvr_init() / pvr_exit()
	112	*
	113	* This code is run to initialize/exit the driver.
	114	*
	115	*/
	116	static int __init pvr_init(void)
	117	{
	118	int ret;
	119
	120	pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
	121
e5be15c6 MI	122	ret = pvr2_context_global_init();
	123	if (ret != 0) {
	124	pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
	125	return ret;
	126	}
	127
d855497e MI	128	#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	129	class_ptr = pvr2_sysfs_class_create();
	130	#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
	131
	132	ret = usb_register(&pvr_driver);
	133
	134	if (ret == 0)
94b5ff9c	135	printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
a482f327 GKH	136	DRIVER_DESC "\n");
a482f327 GKH	137	if (pvrusb2_debug)
94b5ff9c	138	printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
a482f327	139	pvrusb2_debug,pvrusb2_debug);
d855497e	140
e5be15c6 MI	141	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
e5be15c6 MI	142
d855497e MI	143	return ret;
	144	}
	145
	146	static void __exit pvr_exit(void)
	147	{
d855497e MI	148	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
d855497e MI	149
4f663bdc MI	150	usb_deregister(&pvr_driver);
4f663bdc MI	151
e3a5ee73 MI	152	pvr2_context_global_done();
e3a5ee73 MI	153
d855497e MI	154	#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	155	pvr2_sysfs_class_destroy(class_ptr);
	156	#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
e5be15c6	157
e5be15c6	158	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
d855497e MI	159	}
	160
	161	module_init(pvr_init);
	162	module_exit(pvr_exit);
	163
d855497e MI	164	MODULE_AUTHOR(DRIVER_AUTHOR);
	165	MODULE_DESCRIPTION(DRIVER_DESC);
	166	MODULE_LICENSE("GPL");
083774d8	167	MODULE_VERSION("0.9.1");