Back to home page

OSCL-LXR
 
 

     

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Copyright (C) 2005-2006 Micronas USA Inc.
0004  */
0005 
0006 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
0007 
0008 #include <linux/module.h>
0009 #include <linux/kernel.h>
0010 #include <linux/wait.h>
0011 #include <linux/list.h>
0012 #include <linux/slab.h>
0013 #include <linux/time.h>
0014 #include <linux/mm.h>
0015 #include <linux/usb.h>
0016 #include <linux/i2c.h>
0017 #include <asm/byteorder.h>
0018 #include <media/i2c/saa7115.h>
0019 #include <media/tuner.h>
0020 #include <media/i2c/uda1342.h>
0021 
0022 #include "go7007-priv.h"
0023 
0024 static unsigned int assume_endura;
0025 module_param(assume_endura, int, 0644);
0026 MODULE_PARM_DESC(assume_endura,
0027             "when probing fails, hardware is a Pelco Endura");
0028 
0029 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
0030 
0031 #define HPI_STATUS_ADDR 0xFFF4
0032 #define INT_PARAM_ADDR  0xFFF6
0033 #define INT_INDEX_ADDR  0xFFF8
0034 
0035 /*
0036  * Pipes on EZ-USB interface:
0037  *  0 snd - Control
0038  *  0 rcv - Control
0039  *  2 snd - Download firmware (control)
0040  *  4 rcv - Read Interrupt (interrupt)
0041  *  6 rcv - Read Video (bulk)
0042  *  8 rcv - Read Audio (bulk)
0043  */
0044 
0045 #define GO7007_USB_EZUSB        (1<<0)
0046 #define GO7007_USB_EZUSB_I2C        (1<<1)
0047 
0048 struct go7007_usb_board {
0049     unsigned int flags;
0050     struct go7007_board_info main_info;
0051 };
0052 
0053 struct go7007_usb {
0054     const struct go7007_usb_board *board;
0055     struct mutex i2c_lock;
0056     struct usb_device *usbdev;
0057     struct urb *video_urbs[8];
0058     struct urb *audio_urbs[8];
0059     struct urb *intr_urb;
0060 };
0061 
0062 /*********************** Product specification data ***********************/
0063 
0064 static const struct go7007_usb_board board_matrix_ii = {
0065     .flags      = GO7007_USB_EZUSB,
0066     .main_info  = {
0067         .flags       = GO7007_BOARD_HAS_AUDIO |
0068                     GO7007_BOARD_USE_ONBOARD_I2C,
0069         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0070                     GO7007_AUDIO_WORD_16,
0071         .audio_rate  = 48000,
0072         .audio_bclk_div  = 8,
0073         .audio_main_div  = 2,
0074         .hpi_buffer_cap  = 7,
0075         .sensor_flags    = GO7007_SENSOR_656 |
0076                     GO7007_SENSOR_VALID_ENABLE |
0077                     GO7007_SENSOR_TV |
0078                     GO7007_SENSOR_SAA7115 |
0079                     GO7007_SENSOR_VBI |
0080                     GO7007_SENSOR_SCALING,
0081         .num_i2c_devs    = 1,
0082         .i2c_devs    = {
0083             {
0084                 .type   = "saa7115",
0085                 .addr   = 0x20,
0086                 .is_video = 1,
0087             },
0088         },
0089         .num_inputs  = 2,
0090         .inputs      = {
0091             {
0092                 .video_input    = 0,
0093                 .name       = "Composite",
0094             },
0095             {
0096                 .video_input    = 9,
0097                 .name       = "S-Video",
0098             },
0099         },
0100         .video_config   = SAA7115_IDQ_IS_DEFAULT,
0101     },
0102 };
0103 
0104 static const struct go7007_usb_board board_matrix_reload = {
0105     .flags      = GO7007_USB_EZUSB,
0106     .main_info  = {
0107         .flags       = GO7007_BOARD_HAS_AUDIO |
0108                     GO7007_BOARD_USE_ONBOARD_I2C,
0109         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0110                     GO7007_AUDIO_I2S_MASTER |
0111                     GO7007_AUDIO_WORD_16,
0112         .audio_rate  = 48000,
0113         .audio_bclk_div  = 8,
0114         .audio_main_div  = 2,
0115         .hpi_buffer_cap  = 7,
0116         .sensor_flags    = GO7007_SENSOR_656 |
0117                     GO7007_SENSOR_TV,
0118         .num_i2c_devs    = 1,
0119         .i2c_devs    = {
0120             {
0121                 .type   = "saa7113",
0122                 .addr   = 0x25,
0123                 .is_video = 1,
0124             },
0125         },
0126         .num_inputs  = 2,
0127         .inputs      = {
0128             {
0129                 .video_input    = 0,
0130                 .name       = "Composite",
0131             },
0132             {
0133                 .video_input    = 9,
0134                 .name       = "S-Video",
0135             },
0136         },
0137         .video_config   = SAA7115_IDQ_IS_DEFAULT,
0138     },
0139 };
0140 
0141 static const struct go7007_usb_board board_star_trek = {
0142     .flags      = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
0143     .main_info  = {
0144         .flags       = GO7007_BOARD_HAS_AUDIO, /* |
0145                     GO7007_BOARD_HAS_TUNER, */
0146         .sensor_flags    = GO7007_SENSOR_656 |
0147                     GO7007_SENSOR_VALID_ENABLE |
0148                     GO7007_SENSOR_TV |
0149                     GO7007_SENSOR_SAA7115 |
0150                     GO7007_SENSOR_VBI |
0151                     GO7007_SENSOR_SCALING,
0152         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0153                     GO7007_AUDIO_WORD_16,
0154         .audio_bclk_div  = 8,
0155         .audio_main_div  = 2,
0156         .hpi_buffer_cap  = 7,
0157         .num_i2c_devs    = 1,
0158         .i2c_devs    = {
0159             {
0160                 .type   = "saa7115",
0161                 .addr   = 0x20,
0162                 .is_video = 1,
0163             },
0164         },
0165         .num_inputs  = 2,
0166         .inputs      = {
0167         /*  {
0168          *      .video_input    = 3,
0169          *      .audio_index    = AUDIO_TUNER,
0170          *      .name       = "Tuner",
0171          *  },
0172          */
0173             {
0174                 .video_input    = 1,
0175             /*  .audio_index    = AUDIO_EXTERN, */
0176                 .name       = "Composite",
0177             },
0178             {
0179                 .video_input    = 8,
0180             /*  .audio_index    = AUDIO_EXTERN, */
0181                 .name       = "S-Video",
0182             },
0183         },
0184         .video_config   = SAA7115_IDQ_IS_DEFAULT,
0185     },
0186 };
0187 
0188 static const struct go7007_usb_board board_px_tv402u = {
0189     .flags      = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
0190     .main_info  = {
0191         .flags       = GO7007_BOARD_HAS_AUDIO |
0192                     GO7007_BOARD_HAS_TUNER,
0193         .sensor_flags    = GO7007_SENSOR_656 |
0194                     GO7007_SENSOR_VALID_ENABLE |
0195                     GO7007_SENSOR_TV |
0196                     GO7007_SENSOR_SAA7115 |
0197                     GO7007_SENSOR_VBI |
0198                     GO7007_SENSOR_SCALING,
0199         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0200                     GO7007_AUDIO_WORD_16,
0201         .audio_bclk_div  = 8,
0202         .audio_main_div  = 2,
0203         .hpi_buffer_cap  = 7,
0204         .num_i2c_devs    = 5,
0205         .i2c_devs    = {
0206             {
0207                 .type   = "saa7115",
0208                 .addr   = 0x20,
0209                 .is_video = 1,
0210             },
0211             {
0212                 .type   = "uda1342",
0213                 .addr   = 0x1a,
0214                 .is_audio = 1,
0215             },
0216             {
0217                 .type   = "tuner",
0218                 .addr   = 0x60,
0219             },
0220             {
0221                 .type   = "tuner",
0222                 .addr   = 0x43,
0223             },
0224             {
0225                 .type   = "sony-btf-mpx",
0226                 .addr   = 0x44,
0227             },
0228         },
0229         .num_inputs  = 3,
0230         .inputs      = {
0231             {
0232                 .video_input    = 3,
0233                 .audio_index    = 0,
0234                 .name       = "Tuner",
0235             },
0236             {
0237                 .video_input    = 1,
0238                 .audio_index    = 1,
0239                 .name       = "Composite",
0240             },
0241             {
0242                 .video_input    = 8,
0243                 .audio_index    = 1,
0244                 .name       = "S-Video",
0245             },
0246         },
0247         .video_config   = SAA7115_IDQ_IS_DEFAULT,
0248         .num_aud_inputs  = 2,
0249         .aud_inputs  = {
0250             {
0251                 .audio_input    = UDA1342_IN2,
0252                 .name       = "Tuner",
0253             },
0254             {
0255                 .audio_input    = UDA1342_IN1,
0256                 .name       = "Line In",
0257             },
0258         },
0259     },
0260 };
0261 
0262 static const struct go7007_usb_board board_xmen = {
0263     .flags      = 0,
0264     .main_info  = {
0265         .flags        = GO7007_BOARD_USE_ONBOARD_I2C,
0266         .hpi_buffer_cap   = 0,
0267         .sensor_flags     = GO7007_SENSOR_VREF_POLAR,
0268         .sensor_width     = 320,
0269         .sensor_height    = 240,
0270         .sensor_framerate = 30030,
0271         .audio_flags      = GO7007_AUDIO_ONE_CHANNEL |
0272                     GO7007_AUDIO_I2S_MODE_3 |
0273                     GO7007_AUDIO_WORD_14 |
0274                     GO7007_AUDIO_I2S_MASTER |
0275                     GO7007_AUDIO_BCLK_POLAR |
0276                     GO7007_AUDIO_OKI_MODE,
0277         .audio_rate   = 8000,
0278         .audio_bclk_div   = 48,
0279         .audio_main_div   = 1,
0280         .num_i2c_devs     = 1,
0281         .i2c_devs     = {
0282             {
0283                 .type   = "ov7640",
0284                 .addr   = 0x21,
0285             },
0286         },
0287         .num_inputs   = 1,
0288         .inputs       = {
0289             {
0290                 .name       = "Camera",
0291             },
0292         },
0293     },
0294 };
0295 
0296 static const struct go7007_usb_board board_matrix_revolution = {
0297     .flags      = GO7007_USB_EZUSB,
0298     .main_info  = {
0299         .flags       = GO7007_BOARD_HAS_AUDIO |
0300                     GO7007_BOARD_USE_ONBOARD_I2C,
0301         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0302                     GO7007_AUDIO_I2S_MASTER |
0303                     GO7007_AUDIO_WORD_16,
0304         .audio_rate  = 48000,
0305         .audio_bclk_div  = 8,
0306         .audio_main_div  = 2,
0307         .hpi_buffer_cap  = 7,
0308         .sensor_flags    = GO7007_SENSOR_656 |
0309                     GO7007_SENSOR_TV |
0310                     GO7007_SENSOR_VBI,
0311         .num_i2c_devs    = 1,
0312         .i2c_devs    = {
0313             {
0314                 .type   = "tw9903",
0315                 .is_video = 1,
0316                 .addr   = 0x44,
0317             },
0318         },
0319         .num_inputs  = 2,
0320         .inputs      = {
0321             {
0322                 .video_input    = 2,
0323                 .name       = "Composite",
0324             },
0325             {
0326                 .video_input    = 8,
0327                 .name       = "S-Video",
0328             },
0329         },
0330     },
0331 };
0332 
0333 #if 0
0334 static const struct go7007_usb_board board_lifeview_lr192 = {
0335     .flags      = GO7007_USB_EZUSB,
0336     .main_info  = {
0337         .flags       = GO7007_BOARD_HAS_AUDIO |
0338                     GO7007_BOARD_USE_ONBOARD_I2C,
0339         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0340                     GO7007_AUDIO_WORD_16,
0341         .audio_rate  = 48000,
0342         .audio_bclk_div  = 8,
0343         .audio_main_div  = 2,
0344         .hpi_buffer_cap  = 7,
0345         .sensor_flags    = GO7007_SENSOR_656 |
0346                     GO7007_SENSOR_VALID_ENABLE |
0347                     GO7007_SENSOR_TV |
0348                     GO7007_SENSOR_VBI |
0349                     GO7007_SENSOR_SCALING,
0350         .num_i2c_devs    = 0,
0351         .num_inputs  = 1,
0352         .inputs      = {
0353             {
0354                 .video_input    = 0,
0355                 .name       = "Composite",
0356             },
0357         },
0358     },
0359 };
0360 #endif
0361 
0362 static const struct go7007_usb_board board_endura = {
0363     .flags      = 0,
0364     .main_info  = {
0365         .flags       = 0,
0366         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0367                     GO7007_AUDIO_I2S_MASTER |
0368                     GO7007_AUDIO_WORD_16,
0369         .audio_rate  = 8000,
0370         .audio_bclk_div  = 48,
0371         .audio_main_div  = 8,
0372         .hpi_buffer_cap  = 0,
0373         .sensor_flags    = GO7007_SENSOR_656 |
0374                     GO7007_SENSOR_TV,
0375         .sensor_h_offset = 8,
0376         .num_i2c_devs    = 0,
0377         .num_inputs  = 1,
0378         .inputs      = {
0379             {
0380                 .name       = "Camera",
0381             },
0382         },
0383     },
0384 };
0385 
0386 static const struct go7007_usb_board board_adlink_mpg24 = {
0387     .flags      = 0,
0388     .main_info  = {
0389         .flags       = GO7007_BOARD_USE_ONBOARD_I2C,
0390         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0391                     GO7007_AUDIO_I2S_MASTER |
0392                     GO7007_AUDIO_WORD_16,
0393         .audio_rate  = 48000,
0394         .audio_bclk_div  = 8,
0395         .audio_main_div  = 2,
0396         .hpi_buffer_cap  = 0,
0397         .sensor_flags    = GO7007_SENSOR_656 |
0398                     GO7007_SENSOR_TV |
0399                     GO7007_SENSOR_VBI,
0400         .num_i2c_devs    = 1,
0401         .i2c_devs    = {
0402             {
0403                 .type   = "tw2804",
0404                 .addr   = 0x00, /* yes, really */
0405                 .flags  = I2C_CLIENT_TEN,
0406                 .is_video = 1,
0407             },
0408         },
0409         .num_inputs  = 1,
0410         .inputs      = {
0411             {
0412                 .name       = "Composite",
0413             },
0414         },
0415     },
0416 };
0417 
0418 static const struct go7007_usb_board board_sensoray_2250 = {
0419     .flags      = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
0420     .main_info  = {
0421         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0422                     GO7007_AUDIO_I2S_MASTER |
0423                     GO7007_AUDIO_WORD_16,
0424         .flags       = GO7007_BOARD_HAS_AUDIO,
0425         .audio_rate  = 48000,
0426         .audio_bclk_div  = 8,
0427         .audio_main_div  = 2,
0428         .hpi_buffer_cap  = 7,
0429         .sensor_flags    = GO7007_SENSOR_656 |
0430                     GO7007_SENSOR_TV,
0431         .num_i2c_devs    = 1,
0432         .i2c_devs    = {
0433             {
0434                 .type   = "s2250",
0435                 .addr   = 0x43,
0436                 .is_video = 1,
0437                 .is_audio = 1,
0438             },
0439         },
0440         .num_inputs  = 2,
0441         .inputs      = {
0442             {
0443                 .video_input    = 0,
0444                 .name       = "Composite",
0445             },
0446             {
0447                 .video_input    = 1,
0448                 .name       = "S-Video",
0449             },
0450         },
0451         .num_aud_inputs  = 3,
0452         .aud_inputs  = {
0453             {
0454                 .audio_input    = 0,
0455                 .name       = "Line In",
0456             },
0457             {
0458                 .audio_input    = 1,
0459                 .name       = "Mic",
0460             },
0461             {
0462                 .audio_input    = 2,
0463                 .name       = "Mic Boost",
0464             },
0465         },
0466     },
0467 };
0468 
0469 static const struct go7007_usb_board board_ads_usbav_709 = {
0470     .flags      = GO7007_USB_EZUSB,
0471     .main_info  = {
0472         .flags       = GO7007_BOARD_HAS_AUDIO |
0473                     GO7007_BOARD_USE_ONBOARD_I2C,
0474         .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
0475                     GO7007_AUDIO_I2S_MASTER |
0476                     GO7007_AUDIO_WORD_16,
0477         .audio_rate  = 48000,
0478         .audio_bclk_div  = 8,
0479         .audio_main_div  = 2,
0480         .hpi_buffer_cap  = 7,
0481         .sensor_flags    = GO7007_SENSOR_656 |
0482                     GO7007_SENSOR_TV |
0483                     GO7007_SENSOR_VBI,
0484         .num_i2c_devs    = 1,
0485         .i2c_devs    = {
0486             {
0487                 .type   = "tw9906",
0488                 .is_video = 1,
0489                 .addr   = 0x44,
0490             },
0491         },
0492         .num_inputs  = 2,
0493         .inputs      = {
0494             {
0495                 .video_input    = 0,
0496                 .name       = "Composite",
0497             },
0498             {
0499                 .video_input    = 10,
0500                 .name       = "S-Video",
0501             },
0502         },
0503     },
0504 };
0505 
0506 static const struct usb_device_id go7007_usb_id_table[] = {
0507     {
0508         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
0509                     USB_DEVICE_ID_MATCH_INT_INFO,
0510         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0511         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0512         .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
0513         .bcdDevice_hi   = 0x200,
0514         .bInterfaceClass    = 255,
0515         .bInterfaceSubClass = 0,
0516         .bInterfaceProtocol = 255,
0517         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
0518     },
0519     {
0520         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0521         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0522         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0523         .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
0524         .bcdDevice_hi   = 0x202,
0525         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
0526     },
0527     {
0528         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0529         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0530         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0531         .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
0532         .bcdDevice_hi   = 0x204,   /*     Reloaded */
0533         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
0534     },
0535     {
0536         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
0537                     USB_DEVICE_ID_MATCH_INT_INFO,
0538         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0539         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0540         .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
0541         .bcdDevice_hi   = 0x205,
0542         .bInterfaceClass    = 255,
0543         .bInterfaceSubClass = 0,
0544         .bInterfaceProtocol = 255,
0545         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
0546     },
0547     {
0548         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0549         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0550         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0551         .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
0552         .bcdDevice_hi   = 0x208,
0553         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
0554     },
0555     {
0556         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
0557                     USB_DEVICE_ID_MATCH_INT_INFO,
0558         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0559         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0560         .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
0561         .bcdDevice_hi   = 0x209,
0562         .bInterfaceClass    = 255,
0563         .bInterfaceSubClass = 0,
0564         .bInterfaceProtocol = 255,
0565         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
0566     },
0567     {
0568         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0569         .idVendor   = 0x0eb1,  /* Vendor ID of WIS Technologies */
0570         .idProduct  = 0x7007,  /* Product ID of GO7007SB chip */
0571         .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
0572         .bcdDevice_hi   = 0x210,   /*     Revolution */
0573         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
0574     },
0575     {
0576         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0577         .idVendor   = 0x093b,  /* Vendor ID of Plextor */
0578         .idProduct  = 0xa102,  /* Product ID of M402U */
0579         .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
0580         .bcdDevice_hi   = 0x1,
0581         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
0582     },
0583     {
0584         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0585         .idVendor   = 0x093b,  /* Vendor ID of Plextor */
0586         .idProduct  = 0xa104,  /* Product ID of TV402U */
0587         .bcdDevice_lo   = 0x1,
0588         .bcdDevice_hi   = 0x1,
0589         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
0590     },
0591     {
0592         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0593         .idVendor   = 0x10fd,  /* Vendor ID of Anubis Electronics */
0594         .idProduct  = 0xde00,  /* Product ID of Lifeview LR192 */
0595         .bcdDevice_lo   = 0x1,
0596         .bcdDevice_hi   = 0x1,
0597         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
0598     },
0599     {
0600         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0601         .idVendor   = 0x1943,  /* Vendor ID Sensoray */
0602         .idProduct  = 0x2250,  /* Product ID of 2250/2251 */
0603         .bcdDevice_lo   = 0x1,
0604         .bcdDevice_hi   = 0x1,
0605         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
0606     },
0607     {
0608         .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
0609         .idVendor   = 0x06e1,  /* Vendor ID of ADS Technologies */
0610         .idProduct  = 0x0709,  /* Product ID of DVD Xpress DX2 */
0611         .bcdDevice_lo   = 0x204,
0612         .bcdDevice_hi   = 0x204,
0613         .driver_info    = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
0614     },
0615     { }                 /* Terminating entry */
0616 };
0617 
0618 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
0619 
0620 /********************* Driver for EZ-USB HPI interface *********************/
0621 
0622 static int go7007_usb_vendor_request(struct go7007 *go, int request,
0623         int value, int index, void *transfer_buffer, int length, int in)
0624 {
0625     struct go7007_usb *usb = go->hpi_context;
0626     int timeout = 5000;
0627 
0628     if (in) {
0629         return usb_control_msg(usb->usbdev,
0630                 usb_rcvctrlpipe(usb->usbdev, 0), request,
0631                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0632                 value, index, transfer_buffer, length, timeout);
0633     } else {
0634         return usb_control_msg(usb->usbdev,
0635                 usb_sndctrlpipe(usb->usbdev, 0), request,
0636                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0637                 value, index, transfer_buffer, length, timeout);
0638     }
0639 }
0640 
0641 static int go7007_usb_interface_reset(struct go7007 *go)
0642 {
0643     struct go7007_usb *usb = go->hpi_context;
0644     u16 intr_val, intr_data;
0645 
0646     if (go->status == STATUS_SHUTDOWN)
0647         return -1;
0648     /* Reset encoder */
0649     if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
0650         return -1;
0651     msleep(100);
0652 
0653     if (usb->board->flags & GO7007_USB_EZUSB) {
0654         /* Reset buffer in EZ-USB */
0655         pr_debug("resetting EZ-USB buffers\n");
0656         if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
0657             go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
0658             return -1;
0659 
0660         /* Reset encoder again */
0661         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
0662             return -1;
0663         msleep(100);
0664     }
0665 
0666     /* Wait for an interrupt to indicate successful hardware reset */
0667     if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
0668             (intr_val & ~0x1) != 0x55aa) {
0669         dev_err(go->dev, "unable to reset the USB interface\n");
0670         return -1;
0671     }
0672     return 0;
0673 }
0674 
0675 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
0676                         int addr, int data)
0677 {
0678     struct go7007_usb *usb = go->hpi_context;
0679     int i, r;
0680     u16 status_reg = 0;
0681     int timeout = 500;
0682 
0683     pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
0684 
0685     for (i = 0; i < 100; ++i) {
0686         r = usb_control_msg(usb->usbdev,
0687                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
0688                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0689                 0, HPI_STATUS_ADDR, go->usb_buf,
0690                 sizeof(status_reg), timeout);
0691         if (r < 0)
0692             break;
0693         status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
0694         if (!(status_reg & 0x0010))
0695             break;
0696         msleep(10);
0697     }
0698     if (r < 0)
0699         goto write_int_error;
0700     if (i == 100) {
0701         dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
0702         return -1;
0703     }
0704     r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
0705             USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
0706             INT_PARAM_ADDR, NULL, 0, timeout);
0707     if (r < 0)
0708         goto write_int_error;
0709     r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
0710             0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
0711             INT_INDEX_ADDR, NULL, 0, timeout);
0712     if (r < 0)
0713         goto write_int_error;
0714     return 0;
0715 
0716 write_int_error:
0717     dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
0718     return r;
0719 }
0720 
0721 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
0722                         int addr, int data)
0723 {
0724     struct go7007_usb *usb = go->hpi_context;
0725     int r;
0726     int timeout = 500;
0727 
0728     pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
0729 
0730     go->usb_buf[0] = data & 0xff;
0731     go->usb_buf[1] = data >> 8;
0732     go->usb_buf[2] = addr & 0xff;
0733     go->usb_buf[3] = addr >> 8;
0734     go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
0735     r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
0736             USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
0737             0xf0f0, go->usb_buf, 8, timeout);
0738     if (r < 0) {
0739         dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
0740         return r;
0741     }
0742     return 0;
0743 }
0744 
0745 static void go7007_usb_readinterrupt_complete(struct urb *urb)
0746 {
0747     struct go7007 *go = (struct go7007 *)urb->context;
0748     __le16 *regs = (__le16 *)urb->transfer_buffer;
0749     int status = urb->status;
0750 
0751     if (status) {
0752         if (status != -ESHUTDOWN &&
0753                 go->status != STATUS_SHUTDOWN) {
0754             dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
0755         } else {
0756             wake_up(&go->interrupt_waitq);
0757             return;
0758         }
0759     } else if (urb->actual_length != urb->transfer_buffer_length) {
0760         dev_err(go->dev, "short read in interrupt pipe!\n");
0761     } else {
0762         go->interrupt_available = 1;
0763         go->interrupt_data = __le16_to_cpu(regs[0]);
0764         go->interrupt_value = __le16_to_cpu(regs[1]);
0765         pr_debug("ReadInterrupt: %04x %04x\n",
0766                 go->interrupt_value, go->interrupt_data);
0767     }
0768 
0769     wake_up(&go->interrupt_waitq);
0770 }
0771 
0772 static int go7007_usb_read_interrupt(struct go7007 *go)
0773 {
0774     struct go7007_usb *usb = go->hpi_context;
0775     int r;
0776 
0777     r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
0778     if (r < 0) {
0779         dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
0780         return r;
0781     }
0782     return 0;
0783 }
0784 
0785 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
0786 {
0787     struct go7007 *go = (struct go7007 *)urb->context;
0788     int r, status = urb->status;
0789 
0790     if (!vb2_is_streaming(&go->vidq)) {
0791         wake_up_interruptible(&go->frame_waitq);
0792         return;
0793     }
0794     if (status) {
0795         dev_err(go->dev, "error in video pipe: %d\n", status);
0796         return;
0797     }
0798     if (urb->actual_length != urb->transfer_buffer_length) {
0799         dev_err(go->dev, "short read in video pipe!\n");
0800         return;
0801     }
0802     go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
0803     r = usb_submit_urb(urb, GFP_ATOMIC);
0804     if (r < 0)
0805         dev_err(go->dev, "error in video pipe: %d\n", r);
0806 }
0807 
0808 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
0809 {
0810     struct go7007 *go = (struct go7007 *)urb->context;
0811     int r, status = urb->status;
0812 
0813     if (!vb2_is_streaming(&go->vidq))
0814         return;
0815     if (status) {
0816         dev_err(go->dev, "error in audio pipe: %d\n",
0817             status);
0818         return;
0819     }
0820     if (urb->actual_length != urb->transfer_buffer_length) {
0821         dev_err(go->dev, "short read in audio pipe!\n");
0822         return;
0823     }
0824     if (go->audio_deliver != NULL)
0825         go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
0826     r = usb_submit_urb(urb, GFP_ATOMIC);
0827     if (r < 0)
0828         dev_err(go->dev, "error in audio pipe: %d\n", r);
0829 }
0830 
0831 static int go7007_usb_stream_start(struct go7007 *go)
0832 {
0833     struct go7007_usb *usb = go->hpi_context;
0834     int i, r;
0835 
0836     for (i = 0; i < 8; ++i) {
0837         r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
0838         if (r < 0) {
0839             dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
0840             goto video_submit_failed;
0841         }
0842     }
0843     if (!go->audio_enabled)
0844         return 0;
0845 
0846     for (i = 0; i < 8; ++i) {
0847         r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
0848         if (r < 0) {
0849             dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
0850             goto audio_submit_failed;
0851         }
0852     }
0853     return 0;
0854 
0855 audio_submit_failed:
0856     for (i = 0; i < 7; ++i)
0857         usb_kill_urb(usb->audio_urbs[i]);
0858 video_submit_failed:
0859     for (i = 0; i < 8; ++i)
0860         usb_kill_urb(usb->video_urbs[i]);
0861     return -1;
0862 }
0863 
0864 static int go7007_usb_stream_stop(struct go7007 *go)
0865 {
0866     struct go7007_usb *usb = go->hpi_context;
0867     int i;
0868 
0869     if (go->status == STATUS_SHUTDOWN)
0870         return 0;
0871     for (i = 0; i < 8; ++i)
0872         usb_kill_urb(usb->video_urbs[i]);
0873     if (go->audio_enabled)
0874         for (i = 0; i < 8; ++i)
0875             usb_kill_urb(usb->audio_urbs[i]);
0876     return 0;
0877 }
0878 
0879 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
0880 {
0881     struct go7007_usb *usb = go->hpi_context;
0882     int transferred, pipe;
0883     int timeout = 500;
0884 
0885     pr_debug("DownloadBuffer sending %d bytes\n", len);
0886 
0887     if (usb->board->flags & GO7007_USB_EZUSB)
0888         pipe = usb_sndbulkpipe(usb->usbdev, 2);
0889     else
0890         pipe = usb_sndbulkpipe(usb->usbdev, 3);
0891 
0892     return usb_bulk_msg(usb->usbdev, pipe, data, len,
0893                     &transferred, timeout);
0894 }
0895 
0896 static void go7007_usb_release(struct go7007 *go)
0897 {
0898     struct go7007_usb *usb = go->hpi_context;
0899     struct urb *vurb, *aurb;
0900     int i;
0901 
0902     if (usb->intr_urb) {
0903         usb_kill_urb(usb->intr_urb);
0904         kfree(usb->intr_urb->transfer_buffer);
0905         usb_free_urb(usb->intr_urb);
0906     }
0907 
0908     /* Free USB-related structs */
0909     for (i = 0; i < 8; ++i) {
0910         vurb = usb->video_urbs[i];
0911         if (vurb) {
0912             usb_kill_urb(vurb);
0913             kfree(vurb->transfer_buffer);
0914             usb_free_urb(vurb);
0915         }
0916         aurb = usb->audio_urbs[i];
0917         if (aurb) {
0918             usb_kill_urb(aurb);
0919             kfree(aurb->transfer_buffer);
0920             usb_free_urb(aurb);
0921         }
0922     }
0923 
0924     kfree(go->hpi_context);
0925 }
0926 
0927 static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
0928     .interface_reset    = go7007_usb_interface_reset,
0929     .write_interrupt    = go7007_usb_ezusb_write_interrupt,
0930     .read_interrupt     = go7007_usb_read_interrupt,
0931     .stream_start       = go7007_usb_stream_start,
0932     .stream_stop        = go7007_usb_stream_stop,
0933     .send_firmware      = go7007_usb_send_firmware,
0934     .release        = go7007_usb_release,
0935 };
0936 
0937 static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
0938     .interface_reset    = go7007_usb_interface_reset,
0939     .write_interrupt    = go7007_usb_onboard_write_interrupt,
0940     .read_interrupt     = go7007_usb_read_interrupt,
0941     .stream_start       = go7007_usb_stream_start,
0942     .stream_stop        = go7007_usb_stream_stop,
0943     .send_firmware      = go7007_usb_send_firmware,
0944     .release        = go7007_usb_release,
0945 };
0946 
0947 /********************* Driver for EZ-USB I2C adapter *********************/
0948 
0949 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
0950                     struct i2c_msg msgs[], int num)
0951 {
0952     struct go7007 *go = i2c_get_adapdata(adapter);
0953     struct go7007_usb *usb = go->hpi_context;
0954     u8 *buf = go->usb_buf;
0955     int buf_len, i;
0956     int ret = -EIO;
0957 
0958     if (go->status == STATUS_SHUTDOWN)
0959         return -ENODEV;
0960 
0961     mutex_lock(&usb->i2c_lock);
0962 
0963     for (i = 0; i < num; ++i) {
0964         /* The hardware command is "write some bytes then read some
0965          * bytes", so we try to coalesce a write followed by a read
0966          * into a single USB transaction */
0967         if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
0968                 !(msgs[i].flags & I2C_M_RD) &&
0969                 (msgs[i + 1].flags & I2C_M_RD)) {
0970 #ifdef GO7007_I2C_DEBUG
0971             pr_debug("i2c write/read %d/%d bytes on %02x\n",
0972                 msgs[i].len, msgs[i + 1].len, msgs[i].addr);
0973 #endif
0974             buf[0] = 0x01;
0975             buf[1] = msgs[i].len + 1;
0976             buf[2] = msgs[i].addr << 1;
0977             memcpy(&buf[3], msgs[i].buf, msgs[i].len);
0978             buf_len = msgs[i].len + 3;
0979             buf[buf_len++] = msgs[++i].len;
0980         } else if (msgs[i].flags & I2C_M_RD) {
0981 #ifdef GO7007_I2C_DEBUG
0982             pr_debug("i2c read %d bytes on %02x\n",
0983                     msgs[i].len, msgs[i].addr);
0984 #endif
0985             buf[0] = 0x01;
0986             buf[1] = 1;
0987             buf[2] = msgs[i].addr << 1;
0988             buf[3] = msgs[i].len;
0989             buf_len = 4;
0990         } else {
0991 #ifdef GO7007_I2C_DEBUG
0992             pr_debug("i2c write %d bytes on %02x\n",
0993                     msgs[i].len, msgs[i].addr);
0994 #endif
0995             buf[0] = 0x00;
0996             buf[1] = msgs[i].len + 1;
0997             buf[2] = msgs[i].addr << 1;
0998             memcpy(&buf[3], msgs[i].buf, msgs[i].len);
0999             buf_len = msgs[i].len + 3;
1000             buf[buf_len++] = 0;
1001         }
1002         if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1003                         buf, buf_len, 0) < 0)
1004             goto i2c_done;
1005         if (msgs[i].flags & I2C_M_RD) {
1006             memset(buf, 0, msgs[i].len + 1);
1007             if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1008                         msgs[i].len + 1, 1) < 0)
1009                 goto i2c_done;
1010             memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1011         }
1012     }
1013     ret = num;
1014 
1015 i2c_done:
1016     mutex_unlock(&usb->i2c_lock);
1017     return ret;
1018 }
1019 
1020 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1021 {
1022     /* No errors are reported by the hardware, so we don't bother
1023      * supporting quick writes to avoid confusing probing */
1024     return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1025 }
1026 
1027 static const struct i2c_algorithm go7007_usb_algo = {
1028     .master_xfer    = go7007_usb_i2c_master_xfer,
1029     .functionality  = go7007_usb_functionality,
1030 };
1031 
1032 static struct i2c_adapter go7007_usb_adap_templ = {
1033     .owner          = THIS_MODULE,
1034     .name           = "WIS GO7007SB EZ-USB",
1035     .algo           = &go7007_usb_algo,
1036 };
1037 
1038 /********************* USB add/remove functions *********************/
1039 
1040 static int go7007_usb_probe(struct usb_interface *intf,
1041         const struct usb_device_id *id)
1042 {
1043     struct go7007 *go;
1044     struct go7007_usb *usb;
1045     const struct go7007_usb_board *board;
1046     struct usb_device *usbdev = interface_to_usbdev(intf);
1047     struct usb_host_endpoint *ep;
1048     unsigned num_i2c_devs;
1049     char *name;
1050     int video_pipe, i, v_urb_len;
1051 
1052     pr_debug("probing new GO7007 USB board\n");
1053 
1054     switch (id->driver_info) {
1055     case GO7007_BOARDID_MATRIX_II:
1056         name = "WIS Matrix II or compatible";
1057         board = &board_matrix_ii;
1058         break;
1059     case GO7007_BOARDID_MATRIX_RELOAD:
1060         name = "WIS Matrix Reloaded or compatible";
1061         board = &board_matrix_reload;
1062         break;
1063     case GO7007_BOARDID_MATRIX_REV:
1064         name = "WIS Matrix Revolution or compatible";
1065         board = &board_matrix_revolution;
1066         break;
1067     case GO7007_BOARDID_STAR_TREK:
1068         name = "WIS Star Trek or compatible";
1069         board = &board_star_trek;
1070         break;
1071     case GO7007_BOARDID_XMEN:
1072         name = "WIS XMen or compatible";
1073         board = &board_xmen;
1074         break;
1075     case GO7007_BOARDID_XMEN_II:
1076         name = "WIS XMen II or compatible";
1077         board = &board_xmen;
1078         break;
1079     case GO7007_BOARDID_XMEN_III:
1080         name = "WIS XMen III or compatible";
1081         board = &board_xmen;
1082         break;
1083     case GO7007_BOARDID_PX_M402U:
1084         name = "Plextor PX-M402U";
1085         board = &board_matrix_ii;
1086         break;
1087     case GO7007_BOARDID_PX_TV402U:
1088         name = "Plextor PX-TV402U (unknown tuner)";
1089         board = &board_px_tv402u;
1090         break;
1091     case GO7007_BOARDID_LIFEVIEW_LR192:
1092         dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
1093         return -ENODEV;
1094 #if 0
1095         name = "Lifeview TV Walker Ultra";
1096         board = &board_lifeview_lr192;
1097 #endif
1098         break;
1099     case GO7007_BOARDID_SENSORAY_2250:
1100         dev_info(&intf->dev, "Sensoray 2250 found\n");
1101         name = "Sensoray 2250/2251";
1102         board = &board_sensoray_2250;
1103         break;
1104     case GO7007_BOARDID_ADS_USBAV_709:
1105         name = "ADS Tech DVD Xpress DX2";
1106         board = &board_ads_usbav_709;
1107         break;
1108     default:
1109         dev_err(&intf->dev, "unknown board ID %d!\n",
1110                 (unsigned int)id->driver_info);
1111         return -ENODEV;
1112     }
1113 
1114     go = go7007_alloc(&board->main_info, &intf->dev);
1115     if (go == NULL)
1116         return -ENOMEM;
1117 
1118     usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1119     if (usb == NULL) {
1120         kfree(go);
1121         return -ENOMEM;
1122     }
1123 
1124     usb->board = board;
1125     usb->usbdev = usbdev;
1126     usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1127     go->board_id = id->driver_info;
1128     strscpy(go->name, name, sizeof(go->name));
1129     if (board->flags & GO7007_USB_EZUSB)
1130         go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1131     else
1132         go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1133     go->hpi_context = usb;
1134 
1135     ep = usb->usbdev->ep_in[4];
1136     if (!ep)
1137         goto allocfail;
1138 
1139     /* Allocate the URB and buffer for receiving incoming interrupts */
1140     usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1141     if (usb->intr_urb == NULL)
1142         goto allocfail;
1143     usb->intr_urb->transfer_buffer = kmalloc_array(2, sizeof(u16),
1144                                GFP_KERNEL);
1145     if (usb->intr_urb->transfer_buffer == NULL)
1146         goto allocfail;
1147 
1148     if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
1149         usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1150             usb_rcvbulkpipe(usb->usbdev, 4),
1151             usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1152             go7007_usb_readinterrupt_complete, go);
1153     else
1154         usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1155             usb_rcvintpipe(usb->usbdev, 4),
1156             usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1157             go7007_usb_readinterrupt_complete, go, 8);
1158     usb_set_intfdata(intf, &go->v4l2_dev);
1159 
1160     /* Boot the GO7007 */
1161     if (go7007_boot_encoder(go, go->board_info->flags &
1162                     GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1163         goto allocfail;
1164 
1165     /* Register the EZ-USB I2C adapter, if we're using it */
1166     if (board->flags & GO7007_USB_EZUSB_I2C) {
1167         memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1168                 sizeof(go7007_usb_adap_templ));
1169         mutex_init(&usb->i2c_lock);
1170         go->i2c_adapter.dev.parent = go->dev;
1171         i2c_set_adapdata(&go->i2c_adapter, go);
1172         if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1173             dev_err(go->dev, "error: i2c_add_adapter failed\n");
1174             goto allocfail;
1175         }
1176         go->i2c_adapter_online = 1;
1177     }
1178 
1179     /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1180      * IDs for their own incompatible designs.  We can detect XMen boards
1181      * by probing the sensor, but there is no way to probe the sensors on
1182      * the Pelco and Adlink designs so we default to the Adlink.  If it
1183      * is actually a Pelco, the user must set the assume_endura module
1184      * parameter. */
1185     if ((go->board_id == GO7007_BOARDID_XMEN ||
1186                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1187             go->i2c_adapter_online) {
1188         union i2c_smbus_data data;
1189 
1190         /* Check to see if register 0x0A is 0x76 */
1191         i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1192             I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1193         if (data.byte != 0x76) {
1194             if (assume_endura) {
1195                 go->board_id = GO7007_BOARDID_ENDURA;
1196                 usb->board = board = &board_endura;
1197                 go->board_info = &board->main_info;
1198                 strscpy(go->name, "Pelco Endura",
1199                     sizeof(go->name));
1200             } else {
1201                 u16 channel;
1202 
1203                 /* read channel number from GPIO[1:0] */
1204                 go7007_read_addr(go, 0x3c81, &channel);
1205                 channel &= 0x3;
1206                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1207                 usb->board = board = &board_adlink_mpg24;
1208                 go->board_info = &board->main_info;
1209                 go->channel_number = channel;
1210                 snprintf(go->name, sizeof(go->name),
1211                     "Adlink PCI-MPG24, channel #%d",
1212                     channel);
1213             }
1214             go7007_update_board(go);
1215         }
1216     }
1217 
1218     num_i2c_devs = go->board_info->num_i2c_devs;
1219 
1220     /* Probe the tuner model on the TV402U */
1221     if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1222         /* Board strapping indicates tuner model */
1223         if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
1224                     1) < 0) {
1225             dev_err(go->dev, "GPIO read failed!\n");
1226             goto allocfail;
1227         }
1228         switch (go->usb_buf[0] >> 6) {
1229         case 1:
1230             go->tuner_type = TUNER_SONY_BTF_PG472Z;
1231             go->std = V4L2_STD_PAL;
1232             strscpy(go->name, "Plextor PX-TV402U-EU",
1233                 sizeof(go->name));
1234             break;
1235         case 2:
1236             go->tuner_type = TUNER_SONY_BTF_PK467Z;
1237             go->std = V4L2_STD_NTSC_M_JP;
1238             num_i2c_devs -= 2;
1239             strscpy(go->name, "Plextor PX-TV402U-JP",
1240                 sizeof(go->name));
1241             break;
1242         case 3:
1243             go->tuner_type = TUNER_SONY_BTF_PB463Z;
1244             num_i2c_devs -= 2;
1245             strscpy(go->name, "Plextor PX-TV402U-NA",
1246                 sizeof(go->name));
1247             break;
1248         default:
1249             pr_debug("unable to detect tuner type!\n");
1250             break;
1251         }
1252         /* Configure tuner mode selection inputs connected
1253          * to the EZ-USB GPIO output pins */
1254         if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1255                     NULL, 0, 0) < 0) {
1256             dev_err(go->dev, "GPIO write failed!\n");
1257             goto allocfail;
1258         }
1259     }
1260 
1261     /* Print a nasty message if the user attempts to use a USB2.0 device in
1262      * a USB1.1 port.  There will be silent corruption of the stream. */
1263     if ((board->flags & GO7007_USB_EZUSB) &&
1264             usbdev->speed != USB_SPEED_HIGH)
1265         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");
1266 
1267     /* Allocate the URBs and buffers for receiving the video stream */
1268     if (board->flags & GO7007_USB_EZUSB) {
1269         if (!usb->usbdev->ep_in[6])
1270             goto allocfail;
1271         v_urb_len = 1024;
1272         video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1273     } else {
1274         if (!usb->usbdev->ep_in[1])
1275             goto allocfail;
1276         v_urb_len = 512;
1277         video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1278     }
1279     for (i = 0; i < 8; ++i) {
1280         usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1281         if (usb->video_urbs[i] == NULL)
1282             goto allocfail;
1283         usb->video_urbs[i]->transfer_buffer =
1284                         kmalloc(v_urb_len, GFP_KERNEL);
1285         if (usb->video_urbs[i]->transfer_buffer == NULL)
1286             goto allocfail;
1287         usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1288                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1289                 go7007_usb_read_video_pipe_complete, go);
1290     }
1291 
1292     /* Allocate the URBs and buffers for receiving the audio stream */
1293     if ((board->flags & GO7007_USB_EZUSB) &&
1294         (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
1295         if (!usb->usbdev->ep_in[8])
1296             goto allocfail;
1297         for (i = 0; i < 8; ++i) {
1298             usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1299             if (usb->audio_urbs[i] == NULL)
1300                 goto allocfail;
1301             usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1302                                 GFP_KERNEL);
1303             if (usb->audio_urbs[i]->transfer_buffer == NULL)
1304                 goto allocfail;
1305             usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1306                 usb_rcvbulkpipe(usb->usbdev, 8),
1307                 usb->audio_urbs[i]->transfer_buffer, 4096,
1308                 go7007_usb_read_audio_pipe_complete, go);
1309         }
1310     }
1311 
1312     /* Do any final GO7007 initialization, then register the
1313      * V4L2 and ALSA interfaces */
1314     if (go7007_register_encoder(go, num_i2c_devs) < 0)
1315         goto allocfail;
1316 
1317     go->status = STATUS_ONLINE;
1318     return 0;
1319 
1320 allocfail:
1321     go7007_usb_release(go);
1322     kfree(go);
1323     return -ENOMEM;
1324 }
1325 
1326 static void go7007_usb_disconnect(struct usb_interface *intf)
1327 {
1328     struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1329 
1330     mutex_lock(&go->queue_lock);
1331     mutex_lock(&go->serialize_lock);
1332 
1333     if (go->audio_enabled)
1334         go7007_snd_remove(go);
1335 
1336     go->status = STATUS_SHUTDOWN;
1337     v4l2_device_disconnect(&go->v4l2_dev);
1338     video_unregister_device(&go->vdev);
1339     mutex_unlock(&go->serialize_lock);
1340     mutex_unlock(&go->queue_lock);
1341 
1342     v4l2_device_put(&go->v4l2_dev);
1343 }
1344 
1345 static struct usb_driver go7007_usb_driver = {
1346     .name       = "go7007",
1347     .probe      = go7007_usb_probe,
1348     .disconnect = go7007_usb_disconnect,
1349     .id_table   = go7007_usb_id_table,
1350 };
1351 
1352 module_usb_driver(go7007_usb_driver);
1353 MODULE_LICENSE("GPL v2");
[ Source navigation ] [ Diff markup ] [ Identifier search ] [ general search ]

This page was automatically generated by the 2.1.0 LXR engine.

The LXR team
Valid CSS 2.1! Valid HTML 4.01!