forked from Minki/linux
85709cbf15
The strncpy() function is being deprecated upstream. Replace it by the safer strscpy(). While here, replace a few occurences of strlcpy() that were recently added to also use strscpy(). Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
1351 lines
35 KiB
C
1351 lines
35 KiB
C
/*
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* Copyright (C) 2005-2006 Micronas USA Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/wait.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/time.h>
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#include <linux/mm.h>
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#include <linux/usb.h>
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#include <linux/i2c.h>
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#include <asm/byteorder.h>
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#include <media/i2c/saa7115.h>
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#include <media/tuner.h>
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#include <media/i2c/uda1342.h>
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#include "go7007-priv.h"
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static unsigned int assume_endura;
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module_param(assume_endura, int, 0644);
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MODULE_PARM_DESC(assume_endura,
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"when probing fails, hardware is a Pelco Endura");
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/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
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#define HPI_STATUS_ADDR 0xFFF4
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#define INT_PARAM_ADDR 0xFFF6
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#define INT_INDEX_ADDR 0xFFF8
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/*
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* Pipes on EZ-USB interface:
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* 0 snd - Control
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* 0 rcv - Control
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* 2 snd - Download firmware (control)
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* 4 rcv - Read Interrupt (interrupt)
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* 6 rcv - Read Video (bulk)
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* 8 rcv - Read Audio (bulk)
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*/
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#define GO7007_USB_EZUSB (1<<0)
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#define GO7007_USB_EZUSB_I2C (1<<1)
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struct go7007_usb_board {
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unsigned int flags;
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struct go7007_board_info main_info;
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};
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struct go7007_usb {
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const struct go7007_usb_board *board;
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struct mutex i2c_lock;
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struct usb_device *usbdev;
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struct urb *video_urbs[8];
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struct urb *audio_urbs[8];
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struct urb *intr_urb;
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};
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/*********************** Product specification data ***********************/
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static const struct go7007_usb_board board_matrix_ii = {
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.flags = GO7007_USB_EZUSB,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_VALID_ENABLE |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_SAA7115 |
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GO7007_SENSOR_VBI |
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GO7007_SENSOR_SCALING,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "saa7115",
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.addr = 0x20,
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.is_video = 1,
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},
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},
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.num_inputs = 2,
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.inputs = {
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{
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.video_input = 0,
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.name = "Composite",
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},
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{
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.video_input = 9,
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.name = "S-Video",
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},
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},
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.video_config = SAA7115_IDQ_IS_DEFAULT,
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},
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};
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static const struct go7007_usb_board board_matrix_reload = {
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.flags = GO7007_USB_EZUSB,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "saa7113",
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.addr = 0x25,
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.is_video = 1,
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},
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},
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.num_inputs = 2,
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.inputs = {
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{
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.video_input = 0,
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.name = "Composite",
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},
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{
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.video_input = 9,
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.name = "S-Video",
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},
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},
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.video_config = SAA7115_IDQ_IS_DEFAULT,
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},
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};
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static const struct go7007_usb_board board_star_trek = {
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.flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO, /* |
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GO7007_BOARD_HAS_TUNER, */
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_VALID_ENABLE |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_SAA7115 |
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GO7007_SENSOR_VBI |
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GO7007_SENSOR_SCALING,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_WORD_16,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "saa7115",
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.addr = 0x20,
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.is_video = 1,
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},
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},
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.num_inputs = 2,
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.inputs = {
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/* {
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* .video_input = 3,
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* .audio_index = AUDIO_TUNER,
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* .name = "Tuner",
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* },
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*/
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{
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.video_input = 1,
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/* .audio_index = AUDIO_EXTERN, */
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.name = "Composite",
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},
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{
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.video_input = 8,
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/* .audio_index = AUDIO_EXTERN, */
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.name = "S-Video",
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},
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},
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.video_config = SAA7115_IDQ_IS_DEFAULT,
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},
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};
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static const struct go7007_usb_board board_px_tv402u = {
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.flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_HAS_TUNER,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_VALID_ENABLE |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_SAA7115 |
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GO7007_SENSOR_VBI |
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GO7007_SENSOR_SCALING,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_WORD_16,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.num_i2c_devs = 5,
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.i2c_devs = {
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{
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.type = "saa7115",
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.addr = 0x20,
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.is_video = 1,
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},
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{
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.type = "uda1342",
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.addr = 0x1a,
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.is_audio = 1,
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},
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{
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.type = "tuner",
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.addr = 0x60,
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},
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{
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.type = "tuner",
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.addr = 0x43,
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},
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{
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.type = "sony-btf-mpx",
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.addr = 0x44,
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},
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},
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.num_inputs = 3,
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.inputs = {
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{
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.video_input = 3,
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.audio_index = 0,
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.name = "Tuner",
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},
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{
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.video_input = 1,
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.audio_index = 1,
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.name = "Composite",
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},
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{
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.video_input = 8,
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.audio_index = 1,
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.name = "S-Video",
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},
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},
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.video_config = SAA7115_IDQ_IS_DEFAULT,
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.num_aud_inputs = 2,
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.aud_inputs = {
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{
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.audio_input = UDA1342_IN2,
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.name = "Tuner",
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},
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{
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.audio_input = UDA1342_IN1,
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.name = "Line In",
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},
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},
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},
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};
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static const struct go7007_usb_board board_xmen = {
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.flags = 0,
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.main_info = {
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.flags = GO7007_BOARD_USE_ONBOARD_I2C,
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.hpi_buffer_cap = 0,
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.sensor_flags = GO7007_SENSOR_VREF_POLAR,
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.sensor_width = 320,
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.sensor_height = 240,
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.sensor_framerate = 30030,
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.audio_flags = GO7007_AUDIO_ONE_CHANNEL |
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GO7007_AUDIO_I2S_MODE_3 |
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GO7007_AUDIO_WORD_14 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_BCLK_POLAR |
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GO7007_AUDIO_OKI_MODE,
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.audio_rate = 8000,
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.audio_bclk_div = 48,
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.audio_main_div = 1,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "ov7640",
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.addr = 0x21,
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},
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},
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.num_inputs = 1,
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.inputs = {
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{
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.name = "Camera",
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},
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},
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},
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};
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static const struct go7007_usb_board board_matrix_revolution = {
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.flags = GO7007_USB_EZUSB,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_VBI,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "tw9903",
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.is_video = 1,
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.addr = 0x44,
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},
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},
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.num_inputs = 2,
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.inputs = {
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{
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.video_input = 2,
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.name = "Composite",
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},
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{
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.video_input = 8,
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.name = "S-Video",
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},
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},
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},
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};
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#if 0
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static const struct go7007_usb_board board_lifeview_lr192 = {
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.flags = GO7007_USB_EZUSB,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_VALID_ENABLE |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_VBI |
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GO7007_SENSOR_SCALING,
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.num_i2c_devs = 0,
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.num_inputs = 1,
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.inputs = {
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{
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.video_input = 0,
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.name = "Composite",
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},
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},
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},
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};
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#endif
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static const struct go7007_usb_board board_endura = {
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.flags = 0,
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.main_info = {
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.flags = 0,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 8000,
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.audio_bclk_div = 48,
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.audio_main_div = 8,
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.hpi_buffer_cap = 0,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV,
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.sensor_h_offset = 8,
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.num_i2c_devs = 0,
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.num_inputs = 1,
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.inputs = {
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{
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.name = "Camera",
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},
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},
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},
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};
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static const struct go7007_usb_board board_adlink_mpg24 = {
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.flags = 0,
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.main_info = {
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.flags = GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 0,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_VBI,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "tw2804",
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.addr = 0x00, /* yes, really */
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.flags = I2C_CLIENT_TEN,
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.is_video = 1,
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},
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},
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.num_inputs = 1,
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.inputs = {
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{
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.name = "Composite",
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},
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},
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},
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};
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static const struct go7007_usb_board board_sensoray_2250 = {
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.flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
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.main_info = {
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.flags = GO7007_BOARD_HAS_AUDIO,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
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.type = "s2250",
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.addr = 0x43,
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.is_video = 1,
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.is_audio = 1,
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},
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},
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.num_inputs = 2,
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.inputs = {
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{
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.video_input = 0,
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.name = "Composite",
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},
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{
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.video_input = 1,
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.name = "S-Video",
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},
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},
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.num_aud_inputs = 3,
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.aud_inputs = {
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{
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.audio_input = 0,
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.name = "Line In",
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},
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{
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.audio_input = 1,
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.name = "Mic",
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},
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{
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.audio_input = 2,
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.name = "Mic Boost",
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},
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},
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},
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};
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static const struct go7007_usb_board board_ads_usbav_709 = {
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.flags = GO7007_USB_EZUSB,
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.main_info = {
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.flags = GO7007_BOARD_HAS_AUDIO |
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GO7007_BOARD_USE_ONBOARD_I2C,
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.audio_flags = GO7007_AUDIO_I2S_MODE_1 |
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GO7007_AUDIO_I2S_MASTER |
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GO7007_AUDIO_WORD_16,
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.audio_rate = 48000,
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.audio_bclk_div = 8,
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.audio_main_div = 2,
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.hpi_buffer_cap = 7,
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.sensor_flags = GO7007_SENSOR_656 |
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GO7007_SENSOR_TV |
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GO7007_SENSOR_VBI,
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.num_i2c_devs = 1,
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.i2c_devs = {
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{
|
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.type = "tw9906",
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.is_video = 1,
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.addr = 0x44,
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},
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},
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.num_inputs = 2,
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.inputs = {
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{
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.video_input = 0,
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.name = "Composite",
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},
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{
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.video_input = 10,
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.name = "S-Video",
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},
|
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},
|
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},
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};
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|
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static const struct usb_device_id go7007_usb_id_table[] = {
|
|
{
|
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.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);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
strscpy(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_array(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;
|
|
strscpy(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;
|
|
strscpy(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;
|
|
strscpy(go->name, "Plextor PX-TV402U-JP",
|
|
sizeof(go->name));
|
|
break;
|
|
case 3:
|
|
go->tuner_type = TUNER_SONY_BTF_PB463Z;
|
|
num_i2c_devs -= 2;
|
|
strscpy(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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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");
|