cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/go7007/go7007-usb.c

/*
 * Copyright (C) 2005-2006 Micronas USA Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (Version 2) as
 * published by the Free Software Foundation.
 *
 * 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.
 */


#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <asm/byteorder.h>
#include <media/i2c/saa7115.h>
#include <media/tuner.h>
#include <media/i2c/uda1342.h>

#include "go7007-priv.h"


static unsigned int assume_endura;
module_param(assume_endura, int, 0644);
MODULE_PARM_DESC(assume_endura,
			"when probing fails, hardware is a Pelco Endura");

/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */


#define	HPI_STATUS_ADDR	0xFFF4

#define	INT_PARAM_ADDR	0xFFF6

#define	INT_INDEX_ADDR	0xFFF8

/*
 * Pipes on EZ-USB interface:
 *      0 snd - Control
 *      0 rcv - Control
 *      2 snd - Download firmware (control)
 *      4 rcv - Read Interrupt (interrupt)
 *      6 rcv - Read Video (bulk)
 *      8 rcv - Read Audio (bulk)
 */


#define GO7007_USB_EZUSB		(1<<0)

#define GO7007_USB_EZUSB_I2C		(1<<1)


struct go7007_usb_board {
	
unsigned int flags;
	
struct go7007_board_info main_info;
};


struct go7007_usb {
	
const struct go7007_usb_board *board;
	
struct mutex i2c_lock;
	
struct usb_device *usbdev;
	
struct urb *video_urbs[8];
	
struct urb *audio_urbs[8];
	
struct urb *intr_urb;
};

/*********************** Product specification data ***********************/


static const struct go7007_usb_board board_matrix_ii = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_SAA7115 |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "saa7115",
				.addr	= 0x20,
				.is_video = 1,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 0,
				.name		= "Composite",
                        },
			{
				.video_input	= 9,
				.name		= "S-Video",
                        },
                },
		.video_config	= SAA7115_IDQ_IS_DEFAULT,
        },
};


static const struct go7007_usb_board board_matrix_reload = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "saa7113",
				.addr	= 0x25,
				.is_video = 1,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 0,
				.name		= "Composite",
                        },
			{
				.video_input	= 9,
				.name		= "S-Video",
                        },
                },
		.video_config	= SAA7115_IDQ_IS_DEFAULT,
        },
};


static const struct go7007_usb_board board_star_trek = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO, /* |
                                        GO7007_BOARD_HAS_TUNER, */
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_SAA7115 |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "saa7115",
				.addr	= 0x20,
				.is_video = 1,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
		/*      {
                 *              .video_input    = 3,
                 *              .audio_index    = AUDIO_TUNER,
                 *              .name           = "Tuner",
                 *      },
                 */
			{
				.video_input	= 1,
			/*      .audio_index    = AUDIO_EXTERN, */
				.name		= "Composite",
                        },
			{
				.video_input	= 8,
			/*      .audio_index    = AUDIO_EXTERN, */
				.name		= "S-Video",
                        },
                },
		.video_config	= SAA7115_IDQ_IS_DEFAULT,
        },
};


static const struct go7007_usb_board board_px_tv402u = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_HAS_TUNER,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_SAA7115 |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.num_i2c_devs	 = 5,
		.i2c_devs	 = {
			{
				.type	= "saa7115",
				.addr	= 0x20,
				.is_video = 1,
                        },
			{
				.type	= "uda1342",
				.addr	= 0x1a,
				.is_audio = 1,
                        },
			{
				.type	= "tuner",
				.addr	= 0x60,
                        },
			{
				.type	= "tuner",
				.addr	= 0x43,
                        },
			{
				.type	= "sony-btf-mpx",
				.addr	= 0x44,
                        },
                },
		.num_inputs	 = 3,
		.inputs		 = {
			{
				.video_input	= 3,
				.audio_index	= 0,
				.name		= "Tuner",
                        },
			{
				.video_input	= 1,
				.audio_index	= 1,
				.name		= "Composite",
                        },
			{
				.video_input	= 8,
				.audio_index	= 1,
				.name		= "S-Video",
                        },
                },
		.video_config	= SAA7115_IDQ_IS_DEFAULT,
		.num_aud_inputs	 = 2,
		.aud_inputs	 = {
			{
				.audio_input	= UDA1342_IN2,
				.name		= "Tuner",
                        },
			{
				.audio_input	= UDA1342_IN1,
				.name		= "Line In",
                        },
                },
        },
};


static const struct go7007_usb_board board_xmen = {
	.flags		= 0,
	.main_info	= {
		.flags		  = GO7007_BOARD_USE_ONBOARD_I2C,
		.hpi_buffer_cap   = 0,
		.sensor_flags	  = GO7007_SENSOR_VREF_POLAR,
		.sensor_width	  = 320,
		.sensor_height	  = 240,
		.sensor_framerate = 30030,
		.audio_flags	  = GO7007_AUDIO_ONE_CHANNEL |
					GO7007_AUDIO_I2S_MODE_3 |
					GO7007_AUDIO_WORD_14 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_BCLK_POLAR |
					GO7007_AUDIO_OKI_MODE,
		.audio_rate	  = 8000,
		.audio_bclk_div	  = 48,
		.audio_main_div	  = 1,
		.num_i2c_devs	  = 1,
		.i2c_devs	  = {
			{
				.type	= "ov7640",
				.addr	= 0x21,
                        },
                },
		.num_inputs	  = 1,
		.inputs		  = {
			{
				.name		= "Camera",
                        },
                },
        },
};


static const struct go7007_usb_board board_matrix_revolution = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "tw9903",
				.is_video = 1,
				.addr	= 0x44,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 2,
				.name		= "Composite",
                        },
			{
				.video_input	= 8,
				.name		= "S-Video",
                        },
                },
        },
};

#if 0
static const struct go7007_usb_board board_lifeview_lr192 = {
        .flags          = GO7007_USB_EZUSB,
        .main_info      = {
                .flags           = GO7007_BOARD_HAS_AUDIO |
                                        GO7007_BOARD_USE_ONBOARD_I2C,
                .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
                                        GO7007_AUDIO_WORD_16,
                .audio_rate      = 48000,
                .audio_bclk_div  = 8,
                .audio_main_div  = 2,
                .hpi_buffer_cap  = 7,
                .sensor_flags    = GO7007_SENSOR_656 |
                                        GO7007_SENSOR_VALID_ENABLE |
                                        GO7007_SENSOR_TV |
                                        GO7007_SENSOR_VBI |
                                        GO7007_SENSOR_SCALING,
                .num_i2c_devs    = 0,
                .num_inputs      = 1,
                .inputs          = {
                        {
                                .video_input    = 0,
                                .name           = "Composite",
                        },
                },
        },
};
#endif


static const struct go7007_usb_board board_endura = {
	.flags		= 0,
	.main_info	= {
		.flags		 = 0,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 8000,
		.audio_bclk_div	 = 48,
		.audio_main_div	 = 8,
		.hpi_buffer_cap  = 0,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.sensor_h_offset = 8,
		.num_i2c_devs	 = 0,
		.num_inputs	 = 1,
		.inputs		 = {
			{
				.name		= "Camera",
                        },
                },
        },
};


static const struct go7007_usb_board board_adlink_mpg24 = {
	.flags		= 0,
	.main_info	= {
		.flags		 = GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 0,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "tw2804",
				.addr	= 0x00, /* yes, really */
				.flags  = I2C_CLIENT_TEN,
				.is_video = 1,
                        },
                },
		.num_inputs	 = 1,
		.inputs		 = {
			{
				.name		= "Composite",
                        },
                },
        },
};


static const struct go7007_usb_board board_sensoray_2250 = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.flags		 = GO7007_BOARD_HAS_AUDIO,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "s2250",
				.addr	= 0x43,
				.is_video = 1,
				.is_audio = 1,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 0,
				.name		= "Composite",
                        },
			{
				.video_input	= 1,
				.name		= "S-Video",
                        },
                },
		.num_aud_inputs	 = 3,
		.aud_inputs	 = {
			{
				.audio_input	= 0,
				.name		= "Line In",
                        },
			{
				.audio_input	= 1,
				.name		= "Mic",
                        },
			{
				.audio_input	= 2,
				.name		= "Mic Boost",
                        },
                },
        },
};


static const struct go7007_usb_board board_ads_usbav_709 = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "tw9906",
				.is_video = 1,
				.addr	= 0x44,
                        },
                },
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 0,
				.name		= "Composite",
                        },
			{
				.video_input	= 10,
				.name		= "S-Video",
                        },
                },
        },
};


static const struct usb_device_id go7007_usb_id_table[] = {
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x200,   /* Revision number of XMen */
		.bcdDevice_hi	= 0x200,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x202,   /* Revision number of Matrix II */
		.bcdDevice_hi	= 0x202,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x204,   /* Revision number of Matrix */
		.bcdDevice_hi	= 0x204,   /*     Reloaded */
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x205,   /* Revision number of XMen-II */
		.bcdDevice_hi	= 0x205,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x208,   /* Revision number of Star Trek */
		.bcdDevice_hi	= 0x208,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x209,   /* Revision number of XMen-III */
		.bcdDevice_hi	= 0x209,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x210,   /* Revision number of Matrix */
		.bcdDevice_hi	= 0x210,   /*     Revolution */
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
		.idProduct	= 0xa102,  /* Product ID of M402U */
		.bcdDevice_lo	= 0x1,	   /* revision number of Blueberry */
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
		.idProduct	= 0xa104,  /* Product ID of TV402U */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x10fd,  /* Vendor ID of Anubis Electronics */
		.idProduct	= 0xde00,  /* Product ID of Lifeview LR192 */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x1943,  /* Vendor ID Sensoray */
		.idProduct	= 0x2250,  /* Product ID of 2250/2251 */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
        },
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x06e1,  /* Vendor ID of ADS Technologies */
		.idProduct	= 0x0709,  /* Product ID of DVD Xpress DX2 */
		.bcdDevice_lo	= 0x204,
		.bcdDevice_hi	= 0x204,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
        },
	{ }					/* Terminating entry */
};

MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);

/********************* Driver for EZ-USB HPI interface *********************/


static int go7007_usb_vendor_request(struct go7007 *go, int request, int value, int index, void *transfer_buffer, int length, int in) { struct go7007_usb *usb = go->hpi_context; int timeout = 5000; if (in) { return usb_control_msg(usb->usbdev, usb_rcvctrlpipe(usb->usbdev, 0), request, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, value, index, transfer_buffer, length, timeout); } else { return usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, transfer_buffer, length, timeout); } }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman121100.00%1100.00%
Total121100.00%1100.00%


static int go7007_usb_interface_reset(struct go7007 *go) { struct go7007_usb *usb = go->hpi_context; u16 intr_val, intr_data; if (go->status == STATUS_SHUTDOWN) return -1; /* Reset encoder */ if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0) return -1; msleep(100); if (usb->board->flags & GO7007_USB_EZUSB) { /* Reset buffer in EZ-USB */ pr_debug("resetting EZ-USB buffers\n"); if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 || go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0) return -1; /* Reset encoder again */ if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0) return -1; msleep(100); } /* Wait for an interrupt to indicate successful hardware reset */ if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || (intr_val & ~0x1) != 0x55aa) { dev_err(go->dev, "unable to reset the USB interface\n"); return -1; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman16989.89%233.33%
Hans Verkuil126.38%116.67%
Dulshani Gunawardhana73.72%350.00%
Total188100.00%6100.00%


static int go7007_usb_ezusb_write_interrupt(struct go7007 *go, int addr, int data) { struct go7007_usb *usb = go->hpi_context; int i, r; u16 status_reg = 0; int timeout = 500; pr_debug("WriteInterrupt: %04x %04x\n", addr, data); for (i = 0; i < 100; ++i) { r = usb_control_msg(usb->usbdev, usb_rcvctrlpipe(usb->usbdev, 0), 0x14, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0, HPI_STATUS_ADDR, go->usb_buf, sizeof(status_reg), timeout); if (r < 0) break; status_reg = le16_to_cpu(*((__le16 *)go->usb_buf)); if (!(status_reg & 0x0010)) break; msleep(10); } if (r < 0) goto write_int_error; if (i == 100) { dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg); return -1; } r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, data, INT_PARAM_ADDR, NULL, 0, timeout); if (r < 0) goto write_int_error; r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr, INT_INDEX_ADDR, NULL, 0, timeout); if (r < 0) goto write_int_error; return 0; write_int_error: dev_err(go->dev, "error in WriteInterrupt: %d\n", r); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman24085.41%228.57%
Hans Verkuil289.96%228.57%
Dulshani Gunawardhana134.63%342.86%
Total281100.00%7100.00%


static int go7007_usb_onboard_write_interrupt(struct go7007 *go, int addr, int data) { struct go7007_usb *usb = go->hpi_context; int r; int timeout = 500; pr_debug("WriteInterrupt: %04x %04x\n", addr, data); go->usb_buf[0] = data & 0xff; go->usb_buf[1] = data >> 8; go->usb_buf[2] = addr & 0xff; go->usb_buf[3] = addr >> 8; go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0; r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00, USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa, 0xf0f0, go->usb_buf, 8, timeout); if (r < 0) { dev_err(go->dev, "error in WriteInterrupt: %d\n", r); return r; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman12670.79%233.33%
Hans Verkuil4525.28%116.67%
Dulshani Gunawardhana73.93%350.00%
Total178100.00%6100.00%


static void go7007_usb_readinterrupt_complete(struct urb *urb) { struct go7007 *go = (struct go7007 *)urb->context; __le16 *regs = (__le16 *)urb->transfer_buffer; int status = urb->status; if (status) { if (status != -ESHUTDOWN && go->status != STATUS_SHUTDOWN) { dev_err(go->dev, "error in read interrupt: %d\n", urb->status); } else { wake_up(&go->interrupt_waitq); return; } } else if (urb->actual_length != urb->transfer_buffer_length) { dev_err(go->dev, "short read in interrupt pipe!\n"); } else { go->interrupt_available = 1; go->interrupt_data = __le16_to_cpu(regs[0]); go->interrupt_value = __le16_to_cpu(regs[1]); pr_debug("ReadInterrupt: %04x %04x\n", go->interrupt_value, go->interrupt_data); } wake_up(&go->interrupt_waitq); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman14486.75%228.57%
Dulshani Gunawardhana137.83%342.86%
Oliver Neukum74.22%114.29%
Hans Verkuil21.20%114.29%
Total166100.00%7100.00%


static int go7007_usb_read_interrupt(struct go7007 *go) { struct go7007_usb *usb = go->hpi_context; int r; r = usb_submit_urb(usb->intr_urb, GFP_KERNEL); if (r < 0) { dev_err(go->dev, "unable to submit interrupt urb: %d\n", r); return r; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman5389.83%133.33%
Dulshani Gunawardhana610.17%266.67%
Total59100.00%3100.00%


static void go7007_usb_read_video_pipe_complete(struct urb *urb) { struct go7007 *go = (struct go7007 *)urb->context; int r, status = urb->status; if (!vb2_is_streaming(&go->vidq)) { wake_up_interruptible(&go->frame_waitq); return; } if (status) { dev_err(go->dev, "error in video pipe: %d\n", status); return; } if (urb->actual_length != urb->transfer_buffer_length) { dev_err(go->dev, "short read in video pipe!\n"); return; } go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length); r = usb_submit_urb(urb, GFP_ATOMIC); if (r < 0) dev_err(go->dev, "error in video pipe: %d\n", r); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman10678.52%120.00%
Dulshani Gunawardhana1813.33%240.00%
Oliver Neukum64.44%120.00%
Hans Verkuil53.70%120.00%
Total135100.00%5100.00%


static void go7007_usb_read_audio_pipe_complete(struct urb *urb) { struct go7007 *go = (struct go7007 *)urb->context; int r, status = urb->status; if (!vb2_is_streaming(&go->vidq)) return; if (status) { dev_err(go->dev, "error in audio pipe: %d\n", status); return; } if (urb->actual_length != urb->transfer_buffer_length) { dev_err(go->dev, "short read in audio pipe!\n"); return; } if (go->audio_deliver != NULL) go->audio_deliver(go, urb->transfer_buffer, urb->actual_length); r = usb_submit_urb(urb, GFP_ATOMIC); if (r < 0) dev_err(go->dev, "error in audio pipe: %d\n", r); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman10678.52%120.00%
Dulshani Gunawardhana1813.33%240.00%
Oliver Neukum64.44%120.00%
Hans Verkuil53.70%120.00%
Total135100.00%5100.00%


static int go7007_usb_stream_start(struct go7007 *go) { struct go7007_usb *usb = go->hpi_context; int i, r; for (i = 0; i < 8; ++i) { r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL); if (r < 0) { dev_err(go->dev, "error submitting video urb %d: %d\n", i, r); goto video_submit_failed; } } if (!go->audio_enabled) return 0; for (i = 0; i < 8; ++i) { r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL); if (r < 0) { dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r); goto audio_submit_failed; } } return 0; audio_submit_failed: for (i = 0; i < 7; ++i) usb_kill_urb(usb->audio_urbs[i]); video_submit_failed: for (i = 0; i < 8; ++i) usb_kill_urb(usb->video_urbs[i]); return -1; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman18593.43%125.00%
Dulshani Gunawardhana126.06%250.00%
Oliver Neukum10.51%125.00%
Total198100.00%4100.00%


static int go7007_usb_stream_stop(struct go7007 *go) { struct go7007_usb *usb = go->hpi_context; int i; if (go->status == STATUS_SHUTDOWN) return 0; for (i = 0; i < 8; ++i) usb_kill_urb(usb->video_urbs[i]); if (go->audio_enabled) for (i = 0; i < 8; ++i) usb_kill_urb(usb->audio_urbs[i]); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman89100.00%1100.00%
Total89100.00%1100.00%


static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len) { struct go7007_usb *usb = go->hpi_context; int transferred, pipe; int timeout = 500; pr_debug("DownloadBuffer sending %d bytes\n", len); if (usb->board->flags & GO7007_USB_EZUSB) pipe = usb_sndbulkpipe(usb->usbdev, 2); else pipe = usb_sndbulkpipe(usb->usbdev, 3); return usb_bulk_msg(usb->usbdev, pipe, data, len, &transferred, timeout); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman9598.96%266.67%
Dulshani Gunawardhana11.04%133.33%
Total96100.00%3100.00%


static void go7007_usb_release(struct go7007 *go) { struct go7007_usb *usb = go->hpi_context; struct urb *vurb, *aurb; int i; if (usb->intr_urb) { usb_kill_urb(usb->intr_urb); kfree(usb->intr_urb->transfer_buffer); usb_free_urb(usb->intr_urb); } /* Free USB-related structs */ for (i = 0; i < 8; ++i) { vurb = usb->video_urbs[i]; if (vurb) { usb_kill_urb(vurb); kfree(vurb->transfer_buffer); usb_free_urb(vurb); } aurb = usb->audio_urbs[i]; if (aurb) { usb_kill_urb(aurb); kfree(aurb->transfer_buffer); usb_free_urb(aurb); } } kfree(go->hpi_context); }

Contributors

PersonTokensPropCommitsCommitProp
Hans Verkuil149100.00%2100.00%
Total149100.00%2100.00%

static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = { .interface_reset = go7007_usb_interface_reset, .write_interrupt = go7007_usb_ezusb_write_interrupt, .read_interrupt = go7007_usb_read_interrupt, .stream_start = go7007_usb_stream_start, .stream_stop = go7007_usb_stream_stop, .send_firmware = go7007_usb_send_firmware, .release = go7007_usb_release, }; static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = { .interface_reset = go7007_usb_interface_reset, .write_interrupt = go7007_usb_onboard_write_interrupt, .read_interrupt = go7007_usb_read_interrupt, .stream_start = go7007_usb_stream_start, .stream_stop = go7007_usb_stream_stop, .send_firmware = go7007_usb_send_firmware, .release = go7007_usb_release, }; /********************* Driver for EZ-USB I2C adapter *********************/
static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter, struct i2c_msg msgs[], int num) { struct go7007 *go = i2c_get_adapdata(adapter); struct go7007_usb *usb = go->hpi_context; u8 *buf = go->usb_buf; int buf_len, i; int ret = -EIO; if (go->status == STATUS_SHUTDOWN) return -ENODEV; mutex_lock(&usb->i2c_lock); for (i = 0; i < num; ++i) { /* The hardware command is "write some bytes then read some * bytes", so we try to coalesce a write followed by a read * into a single USB transaction */ if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr && !(msgs[i].flags & I2C_M_RD) && (msgs[i + 1].flags & I2C_M_RD)) { #ifdef GO7007_I2C_DEBUG pr_debug("i2c write/read %d/%d bytes on %02x\n", msgs[i].len, msgs[i + 1].len, msgs[i].addr); #endif buf[0] = 0x01; buf[1] = msgs[i].len + 1; buf[2] = msgs[i].addr << 1; memcpy(&buf[3], msgs[i].buf, msgs[i].len); buf_len = msgs[i].len + 3; buf[buf_len++] = msgs[++i].len; } else if (msgs[i].flags & I2C_M_RD) { #ifdef GO7007_I2C_DEBUG pr_debug("i2c read %d bytes on %02x\n", msgs[i].len, msgs[i].addr); #endif buf[0] = 0x01; buf[1] = 1; buf[2] = msgs[i].addr << 1; buf[3] = msgs[i].len; buf_len = 4; } else { #ifdef GO7007_I2C_DEBUG pr_debug("i2c write %d bytes on %02x\n", msgs[i].len, msgs[i].addr); #endif buf[0] = 0x00; buf[1] = msgs[i].len + 1; buf[2] = msgs[i].addr << 1; memcpy(&buf[3], msgs[i].buf, msgs[i].len); buf_len = msgs[i].len + 3; buf[buf_len++] = 0; } if (go7007_usb_vendor_request(go, 0x24, 0, 0, buf, buf_len, 0) < 0) goto i2c_done; if (msgs[i].flags & I2C_M_RD) { memset(buf, 0, msgs[i].len + 1); if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf, msgs[i].len + 1, 1) < 0) goto i2c_done; memcpy(msgs[i].buf, buf + 1, msgs[i].len); } } ret = num; i2c_done: mutex_unlock(&usb->i2c_lock); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman54796.30%228.57%
Hans Verkuil81.41%228.57%
Wei Yongjun81.41%114.29%
Dulshani Gunawardhana30.53%114.29%
Mauro Carvalho Chehab20.35%114.29%
Total568100.00%7100.00%


static u32 go7007_usb_functionality(struct i2c_adapter *adapter) { /* No errors are reported by the hardware, so we don't bother * supporting quick writes to avoid confusing probing */ return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman20100.00%1100.00%
Total20100.00%1100.00%

static const struct i2c_algorithm go7007_usb_algo = { .master_xfer = go7007_usb_i2c_master_xfer, .functionality = go7007_usb_functionality, }; static struct i2c_adapter go7007_usb_adap_templ = { .owner = THIS_MODULE, .name = "WIS GO7007SB EZ-USB", .algo = &go7007_usb_algo, }; /********************* USB add/remove functions *********************/
static int go7007_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct go7007 *go; struct go7007_usb *usb; const struct go7007_usb_board *board; struct usb_device *usbdev = interface_to_usbdev(intf); unsigned num_i2c_devs; char *name; int video_pipe, i, v_urb_len; pr_debug("probing new GO7007 USB board\n"); switch (id->driver_info) { case GO7007_BOARDID_MATRIX_II: name = "WIS Matrix II or compatible"; board = &board_matrix_ii; break; case GO7007_BOARDID_MATRIX_RELOAD: name = "WIS Matrix Reloaded or compatible"; board = &board_matrix_reload; break; case GO7007_BOARDID_MATRIX_REV: name = "WIS Matrix Revolution or compatible"; board = &board_matrix_revolution; break; case GO7007_BOARDID_STAR_TREK: name = "WIS Star Trek or compatible"; board = &board_star_trek; break; case GO7007_BOARDID_XMEN: name = "WIS XMen or compatible"; board = &board_xmen; break; case GO7007_BOARDID_XMEN_II: name = "WIS XMen II or compatible"; board = &board_xmen; break; case GO7007_BOARDID_XMEN_III: name = "WIS XMen III or compatible"; board = &board_xmen; break; case GO7007_BOARDID_PX_M402U: name = "Plextor PX-M402U"; board = &board_matrix_ii; break; case GO7007_BOARDID_PX_TV402U: name = "Plextor PX-TV402U (unknown tuner)"; board = &board_px_tv402u; break; case GO7007_BOARDID_LIFEVIEW_LR192: dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n"); return -ENODEV; #if 0 name = "Lifeview TV Walker Ultra"; board = &board_lifeview_lr192; #endif break; case GO7007_BOARDID_SENSORAY_2250: dev_info(&intf->dev, "Sensoray 2250 found\n"); name = "Sensoray 2250/2251"; board = &board_sensoray_2250; break; case GO7007_BOARDID_ADS_USBAV_709: name = "ADS Tech DVD Xpress DX2"; board = &board_ads_usbav_709; break; default: dev_err(&intf->dev, "unknown board ID %d!\n", (unsigned int)id->driver_info); return -ENODEV; } go = go7007_alloc(&board->main_info, &intf->dev); if (go == NULL) return -ENOMEM; usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL); if (usb == NULL) { kfree(go); return -ENOMEM; } usb->board = board; usb->usbdev = usbdev; usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info)); go->board_id = id->driver_info; strncpy(go->name, name, sizeof(go->name)); if (board->flags & GO7007_USB_EZUSB) go->hpi_ops = &go7007_usb_ezusb_hpi_ops; else go->hpi_ops = &go7007_usb_onboard_hpi_ops; go->hpi_context = usb; /* Allocate the URB and buffer for receiving incoming interrupts */ usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL); if (usb->intr_urb == NULL) goto allocfail; usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL); if (usb->intr_urb->transfer_buffer == NULL) goto allocfail; if (go->board_id == GO7007_BOARDID_SENSORAY_2250) usb_fill_bulk_urb(usb->intr_urb, usb->usbdev, usb_rcvbulkpipe(usb->usbdev, 4), usb->intr_urb->transfer_buffer, 2*sizeof(u16), go7007_usb_readinterrupt_complete, go); else usb_fill_int_urb(usb->intr_urb, usb->usbdev, usb_rcvintpipe(usb->usbdev, 4), usb->intr_urb->transfer_buffer, 2*sizeof(u16), go7007_usb_readinterrupt_complete, go, 8); usb_set_intfdata(intf, &go->v4l2_dev); /* Boot the GO7007 */ if (go7007_boot_encoder(go, go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) < 0) goto allocfail; /* Register the EZ-USB I2C adapter, if we're using it */ if (board->flags & GO7007_USB_EZUSB_I2C) { memcpy(&go->i2c_adapter, &go7007_usb_adap_templ, sizeof(go7007_usb_adap_templ)); mutex_init(&usb->i2c_lock); go->i2c_adapter.dev.parent = go->dev; i2c_set_adapdata(&go->i2c_adapter, go); if (i2c_add_adapter(&go->i2c_adapter) < 0) { dev_err(go->dev, "error: i2c_add_adapter failed\n"); goto allocfail; } go->i2c_adapter_online = 1; } /* Pelco and Adlink reused the XMen and XMen-III vendor and product * IDs for their own incompatible designs. We can detect XMen boards * by probing the sensor, but there is no way to probe the sensors on * the Pelco and Adlink designs so we default to the Adlink. If it * is actually a Pelco, the user must set the assume_endura module * parameter. */ if ((go->board_id == GO7007_BOARDID_XMEN || go->board_id == GO7007_BOARDID_XMEN_III) && go->i2c_adapter_online) { union i2c_smbus_data data; /* Check to see if register 0x0A is 0x76 */ i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB, I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data); if (data.byte != 0x76) { if (assume_endura) { go->board_id = GO7007_BOARDID_ENDURA; usb->board = board = &board_endura; go->board_info = &board->main_info; strncpy(go->name, "Pelco Endura", sizeof(go->name)); } else { u16 channel; /* read channel number from GPIO[1:0] */ go7007_read_addr(go, 0x3c81, &channel); channel &= 0x3; go->board_id = GO7007_BOARDID_ADLINK_MPG24; usb->board = board = &board_adlink_mpg24; go->board_info = &board->main_info; go->channel_number = channel; snprintf(go->name, sizeof(go->name), "Adlink PCI-MPG24, channel #%d", channel); } go7007_update_board(go); } } num_i2c_devs = go->board_info->num_i2c_devs; /* Probe the tuner model on the TV402U */ if (go->board_id == GO7007_BOARDID_PX_TV402U) { /* Board strapping indicates tuner model */ if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3, 1) < 0) { dev_err(go->dev, "GPIO read failed!\n"); goto allocfail; } switch (go->usb_buf[0] >> 6) { case 1: go->tuner_type = TUNER_SONY_BTF_PG472Z; go->std = V4L2_STD_PAL; strncpy(go->name, "Plextor PX-TV402U-EU", sizeof(go->name)); break; case 2: go->tuner_type = TUNER_SONY_BTF_PK467Z; go->std = V4L2_STD_NTSC_M_JP; num_i2c_devs -= 2; strncpy(go->name, "Plextor PX-TV402U-JP", sizeof(go->name)); break; case 3: go->tuner_type = TUNER_SONY_BTF_PB463Z; num_i2c_devs -= 2; strncpy(go->name, "Plextor PX-TV402U-NA", sizeof(go->name)); break; default: pr_debug("unable to detect tuner type!\n"); break; } /* Configure tuner mode selection inputs connected * to the EZ-USB GPIO output pins */ if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0, NULL, 0, 0) < 0) { dev_err(go->dev, "GPIO write failed!\n"); goto allocfail; } } /* Print a nasty message if the user attempts to use a USB2.0 device in * a USB1.1 port. There will be silent corruption of the stream. */ if ((board->flags & GO7007_USB_EZUSB) && usbdev->speed != USB_SPEED_HIGH) dev_err(go->dev, "*** WARNING *** This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n"); /* Allocate the URBs and buffers for receiving the video stream */ if (board->flags & GO7007_USB_EZUSB) { v_urb_len = 1024; video_pipe = usb_rcvbulkpipe(usb->usbdev, 6); } else { v_urb_len = 512; video_pipe = usb_rcvbulkpipe(usb->usbdev, 1); } for (i = 0; i < 8; ++i) { usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL); if (usb->video_urbs[i] == NULL) goto allocfail; usb->video_urbs[i]->transfer_buffer = kmalloc(v_urb_len, GFP_KERNEL); if (usb->video_urbs[i]->transfer_buffer == NULL) goto allocfail; usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe, usb->video_urbs[i]->transfer_buffer, v_urb_len, go7007_usb_read_video_pipe_complete, go); } /* Allocate the URBs and buffers for receiving the audio stream */ if ((board->flags & GO7007_USB_EZUSB) && (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) { for (i = 0; i < 8; ++i) { usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL); if (usb->audio_urbs[i] == NULL) goto allocfail; usb->audio_urbs[i]->transfer_buffer = kmalloc(4096, GFP_KERNEL); if (usb->audio_urbs[i]->transfer_buffer == NULL) goto allocfail; usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev, usb_rcvbulkpipe(usb->usbdev, 8), usb->audio_urbs[i]->transfer_buffer, 4096, go7007_usb_read_audio_pipe_complete, go); } } /* Do any final GO7007 initialization, then register the * V4L2 and ALSA interfaces */ if (go7007_register_encoder(go, num_i2c_devs) < 0) goto allocfail; go->status = STATUS_ONLINE; return 0; allocfail: go7007_usb_release(go); kfree(go); return -ENOMEM; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman110578.54%312.50%
Hans Verkuil18513.15%937.50%
Pete Eberlein664.69%416.67%
Dulshani Gunawardhana402.84%520.83%
Mauro Carvalho Chehab70.50%28.33%
Alexey Khoroshilov40.28%14.17%
Total1407100.00%24100.00%


static void go7007_usb_disconnect(struct usb_interface *intf) { struct go7007 *go = to_go7007(usb_get_intfdata(intf)); mutex_lock(&go->queue_lock); mutex_lock(&go->serialize_lock); if (go->audio_enabled) go7007_snd_remove(go); go->status = STATUS_SHUTDOWN; v4l2_device_disconnect(&go->v4l2_dev); video_unregister_device(&go->vdev); mutex_unlock(&go->serialize_lock); mutex_unlock(&go->queue_lock); v4l2_device_put(&go->v4l2_dev); }

Contributors

PersonTokensPropCommitsCommitProp
Hans Verkuil5556.70%457.14%
Greg Kroah-Hartman3738.14%114.29%
Pete Eberlein33.09%114.29%
Oliver Neukum22.06%114.29%
Total97100.00%7100.00%

static struct usb_driver go7007_usb_driver = { .name = "go7007", .probe = go7007_usb_probe, .disconnect = go7007_usb_disconnect, .id_table = go7007_usb_id_table, }; module_usb_driver(go7007_usb_driver); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman477978.29%49.30%
Hans Verkuil86514.17%1739.53%
Pete Eberlein2203.60%511.63%
Dulshani Gunawardhana1392.28%511.63%
Jean Delvare360.59%12.33%
Oliver Neukum220.36%12.33%
Mauro Carvalho Chehab170.28%36.98%
Wei Yongjun80.13%12.33%
Volokh Konstantin50.08%12.33%
Randy Dunlap50.08%12.33%
Alexey Khoroshilov40.07%12.33%
Julia Lawall30.05%24.65%
Márton Németh10.02%12.33%
Total6104100.00%43100.00%
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