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linux/drivers/media/video/gspca/ov534_9.c
Jean-Francois Moine 4b27d07474 V4L/DVB: gspca - ov534_9: Propagate USB errors to higher level 
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-02-26 15:10:47 -03:00

1478 lines
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/*
* ov534-ov965x gspca driver
*
* Copyright (C) 2009-2010 Jean-Francois Moine http://moinejf.free.fr
* Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
* Copyright (C) 2008 Jim Paris <jim@jtan.com>
*
* Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
* USB protocol reverse engineered by Jim Paris <jim@jtan.com>
* https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define MODULE_NAME "ov534_9"
#include "gspca.h"
#define OV534_REG_ADDRESS 0xf1 /* sensor address */
#define OV534_REG_SUBADDR 0xf2
#define OV534_REG_WRITE 0xf3
#define OV534_REG_READ 0xf4
#define OV534_REG_OPERATION 0xf5
#define OV534_REG_STATUS 0xf6
#define OV534_OP_WRITE_3 0x37
#define OV534_OP_WRITE_2 0x33
#define OV534_OP_READ_2 0xf9
#define CTRL_TIMEOUT 500
MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
MODULE_LICENSE("GPL");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
__u32 last_pts;
u8 last_fid;
u8 brightness;
u8 contrast;
u8 autogain;
u8 exposure;
s8 sharpness;
u8 satur;
u8 freq;
};
/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setsatur(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getsatur(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
static const struct ctrl sd_ctrls[] = {
{ /* 0 */
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 15,
.step = 1,
#define BRIGHTNESS_DEF 7
.default_value = BRIGHTNESS_DEF,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
{ /* 1 */
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 15,
.step = 1,
#define CONTRAST_DEF 3
.default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
{ /* 2 */
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Autogain",
.minimum = 0,
.maximum = 1,
.step = 1,
#define AUTOGAIN_DEF 1
.default_value = AUTOGAIN_DEF,
},
.set = sd_setautogain,
.get = sd_getautogain,
},
#define EXPO_IDX 3
{ /* 3 */
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Exposure",
.minimum = 0,
.maximum = 3,
.step = 1,
#define EXPO_DEF 0
.default_value = EXPO_DEF,
},
.set = sd_setexposure,
.get = sd_getexposure,
},
{ /* 4 */
{
.id = V4L2_CID_SHARPNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Sharpness",
.minimum = -1, /* -1 = auto */
.maximum = 4,
.step = 1,
#define SHARPNESS_DEF -1
.default_value = SHARPNESS_DEF,
},
.set = sd_setsharpness,
.get = sd_getsharpness,
},
{ /* 5 */
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Saturation",
.minimum = 0,
.maximum = 4,
.step = 1,
#define SATUR_DEF 2
.default_value = SATUR_DEF,
},
.set = sd_setsatur,
.get = sd_getsatur,
},
{
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.type = V4L2_CTRL_TYPE_MENU,
.name = "Light frequency filter",
.minimum = 0,
.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
.step = 1,
#define FREQ_DEF 0
.default_value = FREQ_DEF,
},
.set = sd_setfreq,
.get = sd_getfreq,
},
};
static const struct v4l2_pix_format ov965x_mode[] = {
#define QVGA_MODE 0
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG},
#define VGA_MODE 1
{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 640,
.sizeimage = 640 * 480 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG},
#define SVGA_MODE 2
{800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 800,
.sizeimage = 800 * 600 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG},
#define XGA_MODE 3
{1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 1024,
.sizeimage = 1024 * 768 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG},
#define SXGA_MODE 4
{1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 1280,
.sizeimage = 1280 * 1024 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG},
};
static const u8 bridge_init[][2] = {
{0x88, 0xf8},
{0x89, 0xff},
{0x76, 0x03},
{0x92, 0x03},
{0x95, 0x10},
{0xe2, 0x00},
{0xe7, 0x3e},
{0x8d, 0x1c},
{0x8e, 0x00},
{0x8f, 0x00},
{0x1f, 0x00},
{0xc3, 0xf9},
{0x89, 0xff},
{0x88, 0xf8},
{0x76, 0x03},
{0x92, 0x01},
{0x93, 0x18},
{0x1c, 0x0a},
{0x1d, 0x48},
{0xc0, 0x50},
{0xc1, 0x3c},
{0x34, 0x05},
{0xc2, 0x0c},
{0xc3, 0xf9},
{0x34, 0x05},
{0xe7, 0x2e},
{0x31, 0xf9},
{0x35, 0x02},
{0xd9, 0x10},
{0x25, 0x42},
{0x94, 0x11},
};
static const u8 sensor_init[][2] = {
{0x12, 0x80}, /* com7 - SSCB reset */
{0x00, 0x00}, /* gain */
{0x01, 0x80}, /* blue */
{0x02, 0x80}, /* red */
{0x03, 0x1b}, /* vref */
{0x04, 0x03}, /* com1 - exposure low bits */
{0x0b, 0x57}, /* ver */
{0x0e, 0x61}, /* com5 */
{0x0f, 0x42}, /* com6 */
{0x11, 0x00}, /* clkrc */
{0x12, 0x02}, /* com7 - 15fps VGA YUYV */
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x14, 0x28}, /* com9 */
{0x16, 0x24}, /* reg16 */
{0x17, 0x1d}, /* hstart*/
{0x18, 0xbd}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x81}, /* vstop*/
{0x1e, 0x04}, /* mvfp */
{0x24, 0x3c}, /* aew */
{0x25, 0x36}, /* aeb */
{0x26, 0x71}, /* vpt */
{0x27, 0x08}, /* bbias */
{0x28, 0x08}, /* gbbias */
{0x29, 0x15}, /* gr com */
{0x2a, 0x00}, /* exhch */
{0x2b, 0x00}, /* exhcl */
{0x2c, 0x08}, /* rbias */
{0x32, 0xff}, /* href */
{0x33, 0x00}, /* chlf */
{0x34, 0x3f}, /* aref1 */
{0x35, 0x00}, /* aref2 */
{0x36, 0xf8}, /* aref3 */
{0x38, 0x72}, /* adc2 */
{0x39, 0x57}, /* aref4 */
{0x3a, 0x80}, /* tslb - yuyv */
{0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
{0x3d, 0x99}, /* com13 */
{0x3f, 0xc1}, /* edge */
{0x40, 0xc0}, /* com15 */
{0x41, 0x40}, /* com16 */
{0x42, 0xc0}, /* com17 */
{0x43, 0x0a}, /* rsvd */
{0x44, 0xf0},
{0x45, 0x46},
{0x46, 0x62},
{0x47, 0x2a},
{0x48, 0x3c},
{0x4a, 0xfc},
{0x4b, 0xfc},
{0x4c, 0x7f},
{0x4d, 0x7f},
{0x4e, 0x7f},
{0x4f, 0x98}, /* matrix */
{0x50, 0x98},
{0x51, 0x00},
{0x52, 0x28},
{0x53, 0x70},
{0x54, 0x98},
{0x58, 0x1a}, /* matrix coef sign */
{0x59, 0x85}, /* AWB control */
{0x5a, 0xa9},
{0x5b, 0x64},
{0x5c, 0x84},
{0x5d, 0x53},
{0x5e, 0x0e},
{0x5f, 0xf0}, /* AWB blue limit */
{0x60, 0xf0}, /* AWB red limit */
{0x61, 0xf0}, /* AWB green limit */
{0x62, 0x00}, /* lcc1 */
{0x63, 0x00}, /* lcc2 */
{0x64, 0x02}, /* lcc3 */
{0x65, 0x16}, /* lcc4 */
{0x66, 0x01}, /* lcc5 */
{0x69, 0x02}, /* hv */
{0x6b, 0x5a}, /* dbvl */
{0x6c, 0x04},
{0x6d, 0x55},
{0x6e, 0x00},
{0x6f, 0x9d},
{0x70, 0x21}, /* dnsth */
{0x71, 0x78},
{0x72, 0x00}, /* poidx */
{0x73, 0x01}, /* pckdv */
{0x74, 0x3a}, /* xindx */
{0x75, 0x35}, /* yindx */
{0x76, 0x01},
{0x77, 0x02},
{0x7a, 0x12}, /* gamma curve */
{0x7b, 0x08},
{0x7c, 0x16},
{0x7d, 0x30},
{0x7e, 0x5e},
{0x7f, 0x72},
{0x80, 0x82},
{0x81, 0x8e},
{0x82, 0x9a},
{0x83, 0xa4},
{0x84, 0xac},
{0x85, 0xb8},
{0x86, 0xc3},
{0x87, 0xd6},
{0x88, 0xe6},
{0x89, 0xf2},
{0x8a, 0x03},
{0x8c, 0x89}, /* com19 */
{0x14, 0x28}, /* com9 */
{0x90, 0x7d},
{0x91, 0x7b},
{0x9d, 0x03}, /* lcc6 */
{0x9e, 0x04}, /* lcc7 */
{0x9f, 0x7a},
{0xa0, 0x79},
{0xa1, 0x40}, /* aechm */
{0xa4, 0x50}, /* com21 */
{0xa5, 0x68}, /* com26 */
{0xa6, 0x4a}, /* AWB green */
{0xa8, 0xc1}, /* refa8 */
{0xa9, 0xef}, /* refa9 */
{0xaa, 0x92},
{0xab, 0x04},
{0xac, 0x80}, /* black level control */
{0xad, 0x80},
{0xae, 0x80},
{0xaf, 0x80},
{0xb2, 0xf2},
{0xb3, 0x20},
{0xb4, 0x20}, /* ctrlb4 */
{0xb5, 0x00},
{0xb6, 0xaf},
{0xbb, 0xae},
{0xbc, 0x7f}, /* ADC channel offsets */
{0xdb, 0x7f},
{0xbe, 0x7f},
{0xbf, 0x7f},
{0xc0, 0xe2},
{0xc1, 0xc0},
{0xc2, 0x01},
{0xc3, 0x4e},
{0xc6, 0x85},
{0xc7, 0x80}, /* com24 */
{0xc9, 0xe0},
{0xca, 0xe8},
{0xcb, 0xf0},
{0xcc, 0xd8},
{0xcd, 0xf1},
{0x4f, 0x98}, /* matrix */
{0x50, 0x98},
{0x51, 0x00},
{0x52, 0x28},
{0x53, 0x70},
{0x54, 0x98},
{0x58, 0x1a},
{0xff, 0x41}, /* read 41, write ff 00 */
{0x41, 0x40}, /* com16 */
{0xc5, 0x03}, /* 60 Hz banding filter */
{0x6a, 0x02}, /* 50 Hz banding filter */
{0x12, 0x62}, /* com7 - 30fps VGA YUV */
{0x36, 0xfa}, /* aref3 */
{0x69, 0x0a}, /* hv */
{0x8c, 0x89}, /* com22 */
{0x14, 0x28}, /* com9 */
{0x3e, 0x0c},
{0x41, 0x40}, /* com16 */
{0x72, 0x00},
{0x73, 0x00},
{0x74, 0x3a},
{0x75, 0x35},
{0x76, 0x01},
{0xc7, 0x80},
{0x03, 0x12}, /* vref */
{0x17, 0x16}, /* hstart */
{0x18, 0x02}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x3d}, /* vstop */
{0x32, 0xff}, /* href */
{0xc0, 0xaa},
};
static const u8 bridge_init_2[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0x50},
{0xc1, 0x3c},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x0c},
{0xc3, 0xf9},
{0xda, 0x01},
{0x50, 0x00},
{0x51, 0xa0},
{0x52, 0x3c},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x00},
{0x57, 0x00},
{0x5c, 0x00},
{0x5a, 0xa0},
{0x5b, 0x78},
{0x35, 0x02},
{0xd9, 0x10},
{0x94, 0x11},
};
static const u8 sensor_init_2[][2] = {
{0x3b, 0xc4},
{0x1e, 0x04}, /* mvfp */
{0x13, 0xe0}, /* com8 */
{0x00, 0x00}, /* gain */
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x11, 0x03}, /* clkrc */
{0x6b, 0x5a}, /* dblv */
{0x6a, 0x05},
{0xc5, 0x07},
{0xa2, 0x4b},
{0xa3, 0x3e},
{0x2d, 0x00},
{0xff, 0x42}, /* read 42, write ff 00 */
{0x42, 0xc0}, /* com17 */
{0x2d, 0x00},
{0xff, 0x42}, /* read 42, write ff 00 */
{0x42, 0xc1}, /* com17 */
/* sharpness */
{0x3f, 0x01},
{0xff, 0x42}, /* read 42, write ff 00 */
{0x42, 0xc1}, /* com17 */
/* saturation */
{0x4f, 0x98}, /* matrix */
{0x50, 0x98},
{0x51, 0x00},
{0x52, 0x28},
{0x53, 0x70},
{0x54, 0x98},
{0x58, 0x1a},
{0xff, 0x41}, /* read 41, write ff 00 */
{0x41, 0x40}, /* com16 */
/* contrast */
{0x56, 0x40},
/* brightness */
{0x55, 0x8f},
/* expo */
{0x10, 0x25}, /* aech - exposure high bits */
{0xff, 0x13}, /* read 13, write ff 00 */
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
};
static const u8 sensor_start_1_vga[][2] = { /* same for qvga */
{0x12, 0x62}, /* com7 - 30fps VGA YUV */
{0x36, 0xfa}, /* aref3 */
{0x69, 0x0a}, /* hv */
{0x8c, 0x89}, /* com22 */
{0x14, 0x28}, /* com9 */
{0x3e, 0x0c}, /* com14 */
{0x41, 0x40}, /* com16 */
{0x72, 0x00},
{0x73, 0x00},
{0x74, 0x3a},
{0x75, 0x35},
{0x76, 0x01},
{0xc7, 0x80}, /* com24 */
{0x03, 0x12}, /* vref */
{0x17, 0x16}, /* hstart */
{0x18, 0x02}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x3d}, /* vstop */
{0x32, 0xff}, /* href */
{0xc0, 0xaa},
};
static const u8 sensor_start_1_svga[][2] = {
{0x12, 0x02}, /* com7 - YUYV - VGA 15 full resolution */
{0x36, 0xf8}, /* aref3 */
{0x69, 0x02}, /* hv */
{0x8c, 0x0d}, /* com22 */
{0x3e, 0x0c}, /* com14 */
{0x41, 0x40}, /* com16 */
{0x72, 0x00},
{0x73, 0x01},
{0x74, 0x3a},
{0x75, 0x35},
{0x76, 0x01},
{0xc7, 0x80}, /* com24 */
{0x03, 0x1b}, /* vref */
{0x17, 0x1d}, /* hstart */
{0x18, 0xbd}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x81}, /* vstop */
{0x32, 0xff}, /* href */
{0xc0, 0xe2},
};
static const u8 sensor_start_1_xga[][2] = {
{0x12, 0x02}, /* com7 */
{0x36, 0xf8}, /* aref3 */
{0x69, 0x02}, /* hv */
{0x8c, 0x89}, /* com22 */
{0x14, 0x28}, /* com9 */
{0x3e, 0x0c}, /* com14 */
{0x41, 0x40}, /* com16 */
{0x72, 0x00},
{0x73, 0x01},
{0x74, 0x3a},
{0x75, 0x35},
{0x76, 0x01},
{0xc7, 0x80}, /* com24 */
{0x03, 0x1b}, /* vref */
{0x17, 0x1d}, /* hstart */
{0x18, 0xbd}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x81}, /* vstop */
{0x32, 0xff}, /* href */
{0xc0, 0xe2},
};
static const u8 sensor_start_1_sxga[][2] = {
{0x12, 0x02}, /* com7 */
{0x36, 0xf8}, /* aref3 */
{0x69, 0x02}, /* hv */
{0x8c, 0x89}, /* com22 */
{0x14, 0x28}, /* com9 */
{0x3e, 0x0c}, /* com14 */
{0x41, 0x40}, /* com16 */
{0x72, 0x00},
{0x73, 0x01},
{0x74, 0x3a},
{0x75, 0x35},
{0x76, 0x01},
{0xc7, 0x80}, /* com24 */
{0x03, 0x1b}, /* vref */
{0x17, 0x1d}, /* hstart */
{0x18, 0x02}, /* hstop */
{0x19, 0x01}, /* vstrt */
{0x1a, 0x81}, /* vstop */
{0x32, 0xff}, /* href */
{0xc0, 0xe2},
};
static const u8 bridge_start_qvga[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0x50},
{0xc1, 0x3c},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x4c},
{0xc3, 0xf9},
{0xda, 0x00},
{0x50, 0x00},
{0x51, 0xa0},
{0x52, 0x78},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x00},
{0x57, 0x00},
{0x5c, 0x00},
{0x5a, 0x50},
{0x5b, 0x3c},
{0x35, 0x02},
{0xd9, 0x10},
{0x94, 0x11},
};
static const u8 bridge_start_vga[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0x50},
{0xc1, 0x3c},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x0c},
{0xc3, 0xf9},
{0xda, 0x01},
{0x50, 0x00},
{0x51, 0xa0},
{0x52, 0x3c},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x00},
{0x57, 0x00},
{0x5c, 0x00},
{0x5a, 0xa0},
{0x5b, 0x78},
{0x35, 0x02},
{0xd9, 0x10},
{0x94, 0x11},
};
static const u8 bridge_start_svga[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0xa0},
{0xc1, 0x80},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x4c},
{0xc3, 0xf9},
{0x50, 0x00},
{0x51, 0x40},
{0x52, 0x00},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x88},
{0x57, 0x00},
{0x5c, 0x00},
{0x5a, 0xc8},
{0x5b, 0x96},
{0x35, 0x02},
{0xd9, 0x10},
{0xda, 0x00},
{0x94, 0x11},
};
static const u8 bridge_start_xga[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0xa0},
{0xc1, 0x80},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x4c},
{0xc3, 0xf9},
{0x50, 0x00},
{0x51, 0x40},
{0x52, 0x00},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x88},
{0x57, 0x00},
{0x5c, 0x01},
{0x5a, 0x00},
{0x5b, 0xc0},
{0x35, 0x02},
{0xd9, 0x10},
{0xda, 0x01},
{0x94, 0x11},
};
static const u8 bridge_start_sxga[][2] = {
{0x94, 0xaa},
{0xf1, 0x60},
{0xe5, 0x04},
{0xc0, 0xa0},
{0xc1, 0x80},
{0x8c, 0x00},
{0x8d, 0x1c},
{0x34, 0x05},
{0xc2, 0x0c},
{0xc3, 0xf9},
{0xda, 0x00},
{0x35, 0x02},
{0xd9, 0x10},
{0x94, 0x11},
};
static const u8 sensor_start_2_qvga[][2] = {
{0x3b, 0xe4}, /* com11 - night mode 1/4 frame rate */
{0x1e, 0x04}, /* mvfp */
{0x13, 0xe0}, /* com8 */
{0x00, 0x00},
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x11, 0x01}, /* clkrc */
{0x6b, 0x5a}, /* dblv */
{0x6a, 0x02}, /* 50 Hz banding filter */
{0xc5, 0x03}, /* 60 Hz banding filter */
{0xa2, 0x96}, /* bd50 */
{0xa3, 0x7d}, /* bd60 */
{0xff, 0x13}, /* read 13, write ff 00 */
{0x13, 0xe7},
{0x3a, 0x80}, /* tslb - yuyv */
};
static const u8 sensor_start_2_vga[][2] = {
{0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
{0x1e, 0x04}, /* mvfp */
{0x13, 0xe0}, /* com8 */
{0x00, 0x00},
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x11, 0x03}, /* clkrc */
{0x6b, 0x5a}, /* dblv */
{0x6a, 0x05}, /* 50 Hz banding filter */
{0xc5, 0x07}, /* 60 Hz banding filter */
{0xa2, 0x4b}, /* bd50 */
{0xa3, 0x3e}, /* bd60 */
{0x2d, 0x00}, /* advfl */
};
static const u8 sensor_start_2_svga[][2] = { /* same for xga */
{0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
{0x1e, 0x04}, /* mvfp */
{0x13, 0xe0}, /* com8 */
{0x00, 0x00},
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x11, 0x01}, /* clkrc */
{0x6b, 0x5a}, /* dblv */
{0x6a, 0x0c}, /* 50 Hz banding filter */
{0xc5, 0x0f}, /* 60 Hz banding filter */
{0xa2, 0x4e}, /* bd50 */
{0xa3, 0x41}, /* bd60 */
};
static const u8 sensor_start_2_sxga[][2] = {
{0x13, 0xe0}, /* com8 */
{0x00, 0x00},
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
{0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
{0x1e, 0x04}, /* mvfp */
{0x11, 0x01}, /* clkrc */
{0x6b, 0x5a}, /* dblv */
{0x6a, 0x0c}, /* 50 Hz banding filter */
{0xc5, 0x0f}, /* 60 Hz banding filter */
{0xa2, 0x4e}, /* bd50 */
{0xa3, 0x41}, /* bd60 */
};
static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
{
struct usb_device *udev = gspca_dev->dev;
int ret;
if (gspca_dev->usb_err < 0)
return;
gspca_dev->usb_buf[0] = val;
ret = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
0x01,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
if (ret < 0) {
PDEBUG(D_ERR, "reg_w failed %d", ret);
gspca_dev->usb_err = ret;
}
}
static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
{
PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);
reg_w_i(gspca_dev, reg, val);
}
static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
{
struct usb_device *udev = gspca_dev->dev;
int ret;
if (gspca_dev->usb_err < 0)
return 0;
ret = usb_control_msg(udev,
usb_rcvctrlpipe(udev, 0),
0x01,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]);
if (ret < 0) {
PDEBUG(D_ERR, "reg_r err %d", ret);
gspca_dev->usb_err = ret;
}
return gspca_dev->usb_buf[0];
}
static int sccb_check_status(struct gspca_dev *gspca_dev)
{
u8 data;
int i;
for (i = 0; i < 5; i++) {
data = reg_r(gspca_dev, OV534_REG_STATUS);
switch (data) {
case 0x00:
return 1;
case 0x04:
return 0;
case 0x03:
break;
default:
PDEBUG(D_USBI|D_USBO,
"sccb status 0x%02x, attempt %d/5",
data, i + 1);
}
}
return 0;
}
static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
{
PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);
reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
reg_w_i(gspca_dev, OV534_REG_WRITE, val);
reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
if (!sccb_check_status(gspca_dev))
PDEBUG(D_ERR, "sccb_write failed");
}
static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
{
reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
if (!sccb_check_status(gspca_dev))
PDEBUG(D_ERR, "sccb_read failed 1");
reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
if (!sccb_check_status(gspca_dev))
PDEBUG(D_ERR, "sccb_read failed 2");
return reg_r(gspca_dev, OV534_REG_READ);
}
/* output a bridge sequence (reg - val) */
static void reg_w_array(struct gspca_dev *gspca_dev,
const u8 (*data)[2], int len)
{
while (--len >= 0) {
reg_w(gspca_dev, (*data)[0], (*data)[1]);
data++;
}
}
/* output a sensor sequence (reg - val) */
static void sccb_w_array(struct gspca_dev *gspca_dev,
const u8 (*data)[2], int len)
{
while (--len >= 0) {
if ((*data)[0] != 0xff) {
sccb_write(gspca_dev, (*data)[0], (*data)[1]);
} else {
sccb_read(gspca_dev, (*data)[1]);
sccb_write(gspca_dev, 0xff, 0x00);
}
data++;
}
}
/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
* (direction and output)? */
static void set_led(struct gspca_dev *gspca_dev, int status)
{
u8 data;
PDEBUG(D_CONF, "led status: %d", status);
data = reg_r(gspca_dev, 0x21);
data |= 0x80;
reg_w(gspca_dev, 0x21, data);
data = reg_r(gspca_dev, 0x23);
if (status)
data |= 0x80;
else
data &= ~0x80;
reg_w(gspca_dev, 0x23, data);
if (!status) {
data = reg_r(gspca_dev, 0x21);
data &= ~0x80;
reg_w(gspca_dev, 0x21, data);
}
}
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
val = sd->brightness;
if (val < 8)
val = 15 - val; /* f .. 8 */
else
val = val - 8; /* 0 .. 7 */
sccb_write(gspca_dev, 0x55, /* brtn - brightness adjustment */
0x0f | (val << 4));
}
static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
sccb_write(gspca_dev, 0x56, /* cnst1 - contrast 1 ctrl coeff */
sd->contrast << 4);
}
static void setautogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
/*fixme: should adjust agc/awb/aec by different controls */
val = sd->autogain;
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->autogain)
val |= 0x05; /* agc & aec */
else
val &= 0xfa;
sccb_write(gspca_dev, 0x13, val);
}
static void setexposure(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
sccb_write(gspca_dev, 0x10, /* aec[9:2] */
expo[sd->exposure]);
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
sccb_write(gspca_dev, 0x13, val);
val = sccb_read(gspca_dev, 0xa1); /* aech */
sccb_write(gspca_dev, 0xff, 0x00);
sccb_write(gspca_dev, 0xa1, val & 0xe0); /* aec[15:10] = 0 */
}
static void setsharpness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
s8 val;
val = sd->sharpness;
if (val < 0) { /* auto */
val = sccb_read(gspca_dev, 0x42); /* com17 */
sccb_write(gspca_dev, 0xff, 0x00);
sccb_write(gspca_dev, 0x42, val | 0x40);
/* Edge enhancement strength auto adjust */
return;
}
if (val != 0)
val = 1 << (val - 1);
sccb_write(gspca_dev, 0x3f, /* edge - edge enhance. factor */
val);
val = sccb_read(gspca_dev, 0x42); /* com17 */
sccb_write(gspca_dev, 0xff, 0x00);
sccb_write(gspca_dev, 0x42, val & 0xbf);
}
static void setsatur(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val1, val2, val3;
static const u8 matrix[5][2] = {
{0x14, 0x38},
{0x1e, 0x54},
{0x28, 0x70},
{0x32, 0x8c},
{0x48, 0x90}
};
val1 = matrix[sd->satur][0];
val2 = matrix[sd->satur][1];
val3 = val1 + val2;
sccb_write(gspca_dev, 0x4f, val3); /* matrix coeff */
sccb_write(gspca_dev, 0x50, val3);
sccb_write(gspca_dev, 0x51, 0x00);
sccb_write(gspca_dev, 0x52, val1);
sccb_write(gspca_dev, 0x53, val2);
sccb_write(gspca_dev, 0x54, val3);
sccb_write(gspca_dev, 0x58, 0x1a); /* mtxs - coeff signs */
val1 = sccb_read(gspca_dev, 0x41); /* com16 */
sccb_write(gspca_dev, 0xff, 0x00);
sccb_write(gspca_dev, 0x41, val1);
}
static void setfreq(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->freq == 0) {
sccb_write(gspca_dev, 0x13, val & 0xdf);
return;
}
sccb_write(gspca_dev, 0x13, val | 0x20);
val = sccb_read(gspca_dev, 0x42); /* com17 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->freq == 1)
val |= 0x01;
else
val &= 0xfe;
sccb_write(gspca_dev, 0x42, val);
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
cam = &gspca_dev->cam;
cam->cam_mode = ov965x_mode;
cam->nmodes = ARRAY_SIZE(ov965x_mode);
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
#if AUTOGAIN_DEF != 0
sd->autogain = AUTOGAIN_DEF;
gspca_dev->ctrl_inac |= (1 << EXPO_IDX);
#endif
#if EXPO_DEF != 0
sd->exposure = EXPO_DEF;
#endif
#if SHARPNESS_DEF != 0
sd->sharpness = SHARPNESS_DEF;
#endif
sd->satur = SATUR_DEF;
sd->freq = FREQ_DEF;
return 0;
}
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
u16 sensor_id;
/* reset bridge */
reg_w(gspca_dev, 0xe7, 0x3a);
reg_w(gspca_dev, 0xe0, 0x08);
msleep(100);
/* initialize the sensor address */
reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
/* reset sensor */
sccb_write(gspca_dev, 0x12, 0x80);
msleep(10);
/* probe the sensor */
sccb_read(gspca_dev, 0x0a);
sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
sccb_read(gspca_dev, 0x0b);
sensor_id |= sccb_read(gspca_dev, 0x0b);
PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
/* initialize */
reg_w_array(gspca_dev, bridge_init,
ARRAY_SIZE(bridge_init));
sccb_w_array(gspca_dev, sensor_init,
ARRAY_SIZE(sensor_init));
reg_w_array(gspca_dev, bridge_init_2,
ARRAY_SIZE(bridge_init_2));
sccb_w_array(gspca_dev, sensor_init_2,
ARRAY_SIZE(sensor_init_2));
reg_w(gspca_dev, 0xe0, 0x00);
reg_w(gspca_dev, 0xe0, 0x01);
set_led(gspca_dev, 0);
reg_w(gspca_dev, 0xe0, 0x00);
return gspca_dev->usb_err;
}
static int sd_start(struct gspca_dev *gspca_dev)
{
switch (gspca_dev->curr_mode) {
case QVGA_MODE: /* 320x240 */
sccb_w_array(gspca_dev, sensor_start_1_vga,
ARRAY_SIZE(sensor_start_1_vga));
reg_w_array(gspca_dev, bridge_start_qvga,
ARRAY_SIZE(bridge_start_qvga));
sccb_w_array(gspca_dev, sensor_start_2_qvga,
ARRAY_SIZE(sensor_start_2_qvga));
break;
case VGA_MODE: /* 640x480 */
sccb_w_array(gspca_dev, sensor_start_1_vga,
ARRAY_SIZE(sensor_start_1_vga));
reg_w_array(gspca_dev, bridge_start_vga,
ARRAY_SIZE(bridge_start_vga));
sccb_w_array(gspca_dev, sensor_start_2_vga,
ARRAY_SIZE(sensor_start_2_vga));
break;
case SVGA_MODE: /* 800x600 */
sccb_w_array(gspca_dev, sensor_start_1_svga,
ARRAY_SIZE(sensor_start_1_svga));
reg_w_array(gspca_dev, bridge_start_svga,
ARRAY_SIZE(bridge_start_svga));
sccb_w_array(gspca_dev, sensor_start_2_svga,
ARRAY_SIZE(sensor_start_2_svga));
break;
case XGA_MODE: /* 1024x768 */
sccb_w_array(gspca_dev, sensor_start_1_xga,
ARRAY_SIZE(sensor_start_1_xga));
reg_w_array(gspca_dev, bridge_start_xga,
ARRAY_SIZE(bridge_start_xga));
sccb_w_array(gspca_dev, sensor_start_2_svga,
ARRAY_SIZE(sensor_start_2_svga));
break;
default:
/* case SXGA_MODE: * 1280x1024 */
sccb_w_array(gspca_dev, sensor_start_1_sxga,
ARRAY_SIZE(sensor_start_1_sxga));
reg_w_array(gspca_dev, bridge_start_sxga,
ARRAY_SIZE(bridge_start_sxga));
sccb_w_array(gspca_dev, sensor_start_2_sxga,
ARRAY_SIZE(sensor_start_2_sxga));
break;
}
setfreq(gspca_dev);
setautogain(gspca_dev);
setbrightness(gspca_dev);
setcontrast(gspca_dev);
setexposure(gspca_dev);
setsharpness(gspca_dev);
setsatur(gspca_dev);
reg_w(gspca_dev, 0xe0, 0x00);
reg_w(gspca_dev, 0xe0, 0x00);
set_led(gspca_dev, 1);
return gspca_dev->usb_err;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
reg_w(gspca_dev, 0xe0, 0x01);
set_led(gspca_dev, 0);
reg_w(gspca_dev, 0xe0, 0x00);
}
/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
#define UVC_STREAM_EOH (1 << 7)
#define UVC_STREAM_ERR (1 << 6)
#define UVC_STREAM_STI (1 << 5)
#define UVC_STREAM_RES (1 << 4)
#define UVC_STREAM_SCR (1 << 3)
#define UVC_STREAM_PTS (1 << 2)
#define UVC_STREAM_EOF (1 << 1)
#define UVC_STREAM_FID (1 << 0)
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, int len)
{
struct sd *sd = (struct sd *) gspca_dev;
__u32 this_pts;
u8 this_fid;
int remaining_len = len;
do {
len = min(remaining_len, 2040);
/* Payloads are prefixed with a UVC-style header. We
consider a frame to start when the FID toggles, or the PTS
changes. A frame ends when EOF is set, and we've received
the correct number of bytes. */
/* Verify UVC header. Header length is always 12 */
if (data[0] != 12 || len < 12) {
PDEBUG(D_PACK, "bad header");
goto discard;
}
/* Check errors */
if (data[1] & UVC_STREAM_ERR) {
PDEBUG(D_PACK, "payload error");
goto discard;
}
/* Extract PTS and FID */
if (!(data[1] & UVC_STREAM_PTS)) {
PDEBUG(D_PACK, "PTS not present");
goto discard;
}
this_pts = (data[5] << 24) | (data[4] << 16)
| (data[3] << 8) | data[2];
this_fid = data[1] & UVC_STREAM_FID;
/* If PTS or FID has changed, start a new frame. */
if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
if (gspca_dev->last_packet_type == INTER_PACKET)
gspca_frame_add(gspca_dev, LAST_PACKET,
NULL, 0);
sd->last_pts = this_pts;
sd->last_fid = this_fid;
gspca_frame_add(gspca_dev, FIRST_PACKET,
data + 12, len - 12);
/* If this packet is marked as EOF, end the frame */
} else if (data[1] & UVC_STREAM_EOF) {
sd->last_pts = 0;
gspca_frame_add(gspca_dev, LAST_PACKET,
data + 12, len - 12);
} else {
/* Add the data from this payload */
gspca_frame_add(gspca_dev, INTER_PACKET,
data + 12, len - 12);
}
/* Done this payload */
goto scan_next;
discard:
/* Discard data until a new frame starts. */
gspca_dev->last_packet_type = DISCARD_PACKET;
scan_next:
remaining_len -= len;
data += len;
} while (remaining_len > 0);
}
/* controls */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->brightness = val;
if (gspca_dev->streaming)
setbrightness(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->brightness;
return 0;
}
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->contrast = val;
if (gspca_dev->streaming)
setcontrast(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->contrast;
return 0;
}
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
if (gspca_dev->streaming) {
if (val)
gspca_dev->ctrl_inac |= (1 << EXPO_IDX);
else
gspca_dev->ctrl_inac &= ~(1 << EXPO_IDX);
setautogain(gspca_dev);
}
return gspca_dev->usb_err;
}
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->autogain;
return 0;
}
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->exposure = val;
if (gspca_dev->streaming)
setexposure(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->exposure;
return 0;
}
static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->sharpness = val;
if (gspca_dev->streaming)
setsharpness(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->sharpness;
return 0;
}
static int sd_setsatur(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->satur = val;
if (gspca_dev->streaming)
setsatur(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getsatur(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->satur;
return 0;
}
static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->freq = val;
if (gspca_dev->streaming)
setfreq(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->freq;
return 0;
}
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
{
switch (menu->id) {
case V4L2_CID_POWER_LINE_FREQUENCY:
switch (menu->index) {
case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
strcpy((char *) menu->name, "NoFliker");
return 0;
case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
strcpy((char *) menu->name, "50 Hz");
return 0;
case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
strcpy((char *) menu->name, "60 Hz");
return 0;
}
break;
}
return -EINVAL;
}
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
.nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
.querymenu = sd_querymenu,
};
/* -- module initialisation -- */
static const __devinitdata struct usb_device_id device_table[] = {
{USB_DEVICE(0x06f8, 0x3003)},
{}
};
MODULE_DEVICE_TABLE(usb, device_table);
/* -- device connect -- */
static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
THIS_MODULE);
}
static struct usb_driver sd_driver = {
.name = MODULE_NAME,
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
#endif
};
/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
int ret;
ret = usb_register(&sd_driver);
if (ret < 0)
return ret;
PDEBUG(D_PROBE, "registered");
return 0;
}
static void __exit sd_mod_exit(void)
{
usb_deregister(&sd_driver);
PDEBUG(D_PROBE, "deregistered");
}
module_init(sd_mod_init);
module_exit(sd_mod_exit);
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