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android_kernel_motorola_sm6225/drivers/media/video/gspca/tv8532.c
Jean-Francois Moine a5ae206225 V4L/DVB (8195): gspca: Input buffer overwritten in spca561 + cleanup code. 
spca561:  Input buffer may be changed on reg write.
(all sd): Cleanup code, 'const' added.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-20 07:16:53 -03:00

706 lines
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/*
* Quickcam cameras initialization data
*
* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, 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 "tv8532"
#include "gspca.h"
#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 4)
static const char version[] = "2.1.4";
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("TV8532 USB Camera Driver");
MODULE_LICENSE("GPL");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
int buflen; /* current length of tmpbuf */
__u8 tmpbuf[352 * 288 + 10 * 288]; /* no protection... */
__u8 tmpbuf2[352 * 288]; /* no protection... */
unsigned short brightness;
unsigned short contrast;
char packet;
char synchro;
};
/* 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 struct ctrl sd_ctrls[] = {
#define SD_BRIGHTNESS 0
{
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 1,
.maximum = 0x2ff,
.step = 1,
.default_value = 0x18f,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
#define SD_CONTRAST 1
{
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 0xffff,
.step = 1,
.default_value = 0x7fff,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
};
static struct cam_mode sif_mode[] = {
{V4L2_PIX_FMT_SBGGR8, 176, 144, 1},
{V4L2_PIX_FMT_SBGGR8, 352, 288, 0},
};
/*
* Initialization data: this is the first set-up data written to the
* device (before the open data).
*/
#define TESTCLK 0x10 /* reg 0x2c -> 0x12 //10 */
#define TESTCOMP 0x90 /* reg 0x28 -> 0x80 */
#define TESTLINE 0x81 /* reg 0x29 -> 0x81 */
#define QCIFLINE 0x41 /* reg 0x29 -> 0x81 */
#define TESTPTL 0x14 /* reg 0x2D -> 0x14 */
#define TESTPTH 0x01 /* reg 0x2E -> 0x01 */
#define TESTPTBL 0x12 /* reg 0x2F -> 0x0a */
#define TESTPTBH 0x01 /* reg 0x30 -> 0x01 */
#define ADWIDTHL 0xe8 /* reg 0x0c -> 0xe8 */
#define ADWIDTHH 0x03 /* reg 0x0d -> 0x03 */
#define ADHEIGHL 0x90 /* reg 0x0e -> 0x91 //93 */
#define ADHEIGHH 0x01 /* reg 0x0f -> 0x01 */
#define EXPOL 0x8f /* reg 0x1c -> 0x8f */
#define EXPOH 0x01 /* reg 0x1d -> 0x01 */
#define ADCBEGINL 0x44 /* reg 0x10 -> 0x46 //47 */
#define ADCBEGINH 0x00 /* reg 0x11 -> 0x00 */
#define ADRBEGINL 0x0a /* reg 0x14 -> 0x0b //0x0c */
#define ADRBEGINH 0x00 /* reg 0x15 -> 0x00 */
#define TV8532_CMD_UPDATE 0x84
#define TV8532_EEprom_Add 0x03
#define TV8532_EEprom_DataL 0x04
#define TV8532_EEprom_DataM 0x05
#define TV8532_EEprom_DataH 0x06
#define TV8532_EEprom_TableLength 0x07
#define TV8532_EEprom_Write 0x08
#define TV8532_PART_CTRL 0x00
#define TV8532_CTRL 0x01
#define TV8532_CMD_EEprom_Open 0x30
#define TV8532_CMD_EEprom_Close 0x29
#define TV8532_UDP_UPDATE 0x31
#define TV8532_GPIO 0x39
#define TV8532_GPIO_OE 0x3B
#define TV8532_REQ_RegWrite 0x02
#define TV8532_REQ_RegRead 0x03
#define TV8532_ADWIDTH_L 0x0C
#define TV8532_ADWIDTH_H 0x0D
#define TV8532_ADHEIGHT_L 0x0E
#define TV8532_ADHEIGHT_H 0x0F
#define TV8532_EXPOSURE 0x1C
#define TV8532_QUANT_COMP 0x28
#define TV8532_MODE_PACKET 0x29
#define TV8532_SETCLK 0x2C
#define TV8532_POINT_L 0x2D
#define TV8532_POINT_H 0x2E
#define TV8532_POINTB_L 0x2F
#define TV8532_POINTB_H 0x30
#define TV8532_BUDGET_L 0x2A
#define TV8532_BUDGET_H 0x2B
#define TV8532_VID_L 0x34
#define TV8532_VID_H 0x35
#define TV8532_PID_L 0x36
#define TV8532_PID_H 0x37
#define TV8532_DeviceID 0x83
#define TV8532_AD_SLOPE 0x91
#define TV8532_AD_BITCTRL 0x94
#define TV8532_AD_COLBEGIN_L 0x10
#define TV8532_AD_COLBEGIN_H 0x11
#define TV8532_AD_ROWBEGIN_L 0x14
#define TV8532_AD_ROWBEGIN_H 0x15
static const __u32 tv_8532_eeprom_data[] = {
/* add dataL dataM dataH */
0x00010001, 0x01018011, 0x02050014, 0x0305001c,
0x040d001e, 0x0505001f, 0x06050519, 0x0705011b,
0x0805091e, 0x090d892e, 0x0a05892f, 0x0b050dd9,
0x0c0509f1, 0
};
static void reg_r(struct usb_device *dev,
__u16 index, __u8 *buffer)
{
usb_control_msg(dev,
usb_rcvctrlpipe(dev, 0),
TV8532_REQ_RegRead,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, buffer, sizeof(__u8),
500);
}
static void reg_w(struct usb_device *dev,
__u16 index, __u8 *buffer, __u16 length)
{
usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
TV8532_REQ_RegWrite,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, buffer, length, 500);
}
static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
{
int i = 0;
__u8 reg, data0, data1, data2, datacmd;
struct usb_device *dev = gspca_dev->dev;
datacmd = 0xb0;;
reg_w(dev, TV8532_GPIO, &datacmd, 1);
datacmd = TV8532_CMD_EEprom_Open;
reg_w(dev, TV8532_CTRL, &datacmd, 1);
/* msleep(1); */
while (tv_8532_eeprom_data[i]) {
reg = (tv_8532_eeprom_data[i] & 0xff000000) >> 24;
reg_w(dev, TV8532_EEprom_Add, &reg, 1);
/* msleep(1); */
data0 = (tv_8532_eeprom_data[i] & 0x000000ff);
reg_w(dev, TV8532_EEprom_DataL, &data0, 1);
/* msleep(1); */
data1 = (tv_8532_eeprom_data[i] & 0x0000FF00) >> 8;
reg_w(dev, TV8532_EEprom_DataM, &data1, 1);
/* msleep(1); */
data2 = (tv_8532_eeprom_data[i] & 0x00FF0000) >> 16;
reg_w(dev, TV8532_EEprom_DataH, &data2, 1);
/* msleep(1); */
datacmd = 0;
reg_w(dev, TV8532_EEprom_Write, &datacmd, 1);
/* msleep(10); */
i++;
}
datacmd = i;
reg_w(dev, TV8532_EEprom_TableLength, &datacmd, 1);
/* msleep(1); */
datacmd = TV8532_CMD_EEprom_Close;
reg_w(dev, TV8532_CTRL, &datacmd, 1);
msleep(10);
}
/* 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;
tv_8532WriteEEprom(gspca_dev);
cam = &gspca_dev->cam;
cam->dev_name = (char *) id->driver_info;
cam->epaddr = 1;
cam->cam_mode = sif_mode;
cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
return 0;
}
static void tv_8532ReadRegisters(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
/* __u16 vid, pid; */
reg_r(dev, 0x0001, &data);
PDEBUG(D_USBI, "register 0x01-> %x", data);
reg_r(dev, 0x0002, &data);
PDEBUG(D_USBI, "register 0x02-> %x", data);
reg_r(dev, TV8532_ADWIDTH_L, &data);
reg_r(dev, TV8532_ADWIDTH_H, &data);
reg_r(dev, TV8532_QUANT_COMP, &data);
reg_r(dev, TV8532_MODE_PACKET, &data);
reg_r(dev, TV8532_SETCLK, &data);
reg_r(dev, TV8532_POINT_L, &data);
reg_r(dev, TV8532_POINT_H, &data);
reg_r(dev, TV8532_POINTB_L, &data);
reg_r(dev, TV8532_POINTB_H, &data);
reg_r(dev, TV8532_BUDGET_L, &data);
reg_r(dev, TV8532_BUDGET_H, &data);
reg_r(dev, TV8532_VID_L, &data);
reg_r(dev, TV8532_VID_H, &data);
reg_r(dev, TV8532_PID_L, &data);
reg_r(dev, TV8532_PID_H, &data);
reg_r(dev, TV8532_DeviceID, &data);
reg_r(dev, TV8532_AD_COLBEGIN_L, &data);
reg_r(dev, TV8532_AD_COLBEGIN_H, &data);
reg_r(dev, TV8532_AD_ROWBEGIN_L, &data);
reg_r(dev, TV8532_AD_ROWBEGIN_H, &data);
}
static void tv_8532_setReg(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
__u8 value[2] = { 0, 0 };
data = ADCBEGINL;
reg_w(dev, TV8532_AD_COLBEGIN_L, &data, 1); /* 0x10 */
data = ADCBEGINH; /* also digital gain */
reg_w(dev, TV8532_AD_COLBEGIN_H, &data, 1);
data = TV8532_CMD_UPDATE;
reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
data = 0x0a;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
/******************************************************/
data = ADHEIGHL;
reg_w(dev, TV8532_ADHEIGHT_L, &data, 1); /* 0e */
data = ADHEIGHH;
reg_w(dev, TV8532_ADHEIGHT_H, &data, 1); /* 0f */
value[0] = EXPOL;
value[1] = EXPOH; /* 350d 0x014c; */
reg_w(dev, TV8532_EXPOSURE, value, 2); /* 1c */
data = ADCBEGINL;
reg_w(dev, TV8532_AD_COLBEGIN_L, &data, 1); /* 0x10 */
data = ADCBEGINH; /* also digital gain */
reg_w(dev, TV8532_AD_COLBEGIN_H, &data, 1);
data = ADRBEGINL;
reg_w(dev, TV8532_AD_ROWBEGIN_L, &data, 1); /* 0x14 */
data = 0x00;
reg_w(dev, TV8532_AD_SLOPE, &data, 1); /* 0x91 */
data = 0x02;
reg_w(dev, TV8532_AD_BITCTRL, &data, 1); /* 0x94 */
data = TV8532_CMD_EEprom_Close;
reg_w(dev, TV8532_CTRL, &data, 1); /* 0x01 */
data = 0x00;
reg_w(dev, TV8532_AD_SLOPE, &data, 1); /* 0x91 */
data = TV8532_CMD_UPDATE;
reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
}
static void tv_8532_PollReg(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
int i;
/* strange polling from tgc */
for (i = 0; i < 10; i++) {
data = TESTCLK; /* 0x48; //0x08; */
reg_w(dev, TV8532_SETCLK, &data, 1); /* 0x2c */
data = TV8532_CMD_UPDATE;
reg_w(dev, TV8532_PART_CTRL, &data, 1);
data = 0x01;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
}
}
/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
__u8 dataStart;
__u8 value[2];
data = 0x32;
reg_w(dev, TV8532_AD_SLOPE, &data, 1);
data = 0;
reg_w(dev, TV8532_AD_BITCTRL, &data, 1);
tv_8532ReadRegisters(gspca_dev);
data = 0x0b;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
value[0] = ADHEIGHL;
value[1] = ADHEIGHH; /* 401d 0x0169; */
reg_w(dev, TV8532_ADHEIGHT_L, value, 2); /* 0e */
value[0] = EXPOL;
value[1] = EXPOH; /* 350d 0x014c; */
reg_w(dev, TV8532_EXPOSURE, value, 2); /* 1c */
data = ADWIDTHL; /* 0x20; */
reg_w(dev, TV8532_ADWIDTH_L, &data, 1); /* 0x0c */
data = ADWIDTHH;
reg_w(dev, TV8532_ADWIDTH_H, &data, 1); /* 0x0d */
/*******************************************************************/
data = TESTCOMP; /* 0x72 compressed mode */
reg_w(dev, TV8532_QUANT_COMP, &data, 1); /* 0x28 */
data = TESTLINE; /* 0x84; // CIF | 4 packet */
reg_w(dev, TV8532_MODE_PACKET, &data, 1); /* 0x29 */
/************************************************/
data = TESTCLK; /* 0x48; //0x08; */
reg_w(dev, TV8532_SETCLK, &data, 1); /* 0x2c */
data = TESTPTL; /* 0x38; */
reg_w(dev, TV8532_POINT_L, &data, 1); /* 0x2d */
data = TESTPTH; /* 0x04; */
reg_w(dev, TV8532_POINT_H, &data, 1); /* 0x2e */
dataStart = TESTPTBL; /* 0x04; */
reg_w(dev, TV8532_POINTB_L, &dataStart, 1); /* 0x2f */
data = TESTPTBH; /* 0x04; */
reg_w(dev, TV8532_POINTB_H, &data, 1); /* 0x30 */
data = TV8532_CMD_UPDATE;
reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
/*************************************************/
data = 0x01;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
msleep(200);
data = 0x00;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
/*************************************************/
tv_8532_setReg(gspca_dev);
/*************************************************/
data = 0x0b;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
/*************************************************/
tv_8532_setReg(gspca_dev);
/*************************************************/
tv_8532_PollReg(gspca_dev);
return 0;
}
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 value[2];
__u8 data;
int brightness = sd->brightness;
value[1] = (brightness >> 8) & 0xff;
value[0] = (brightness) & 0xff;
reg_w(gspca_dev->dev, TV8532_EXPOSURE, value, 2); /* 1c */
data = TV8532_CMD_UPDATE;
reg_w(gspca_dev->dev, TV8532_PART_CTRL, &data, 1);
}
/* -- start the camera -- */
static void sd_start(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
__u8 value[2];
data = 0x32;
reg_w(dev, TV8532_AD_SLOPE, &data, 1);
data = 0;
reg_w(dev, TV8532_AD_BITCTRL, &data, 1);
tv_8532ReadRegisters(gspca_dev);
data = 0x0b;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
value[0] = ADHEIGHL;
value[1] = ADHEIGHH; /* 401d 0x0169; */
reg_w(dev, TV8532_ADHEIGHT_L, value, 2); /* 0e */
/* value[0] = EXPOL; value[1] =EXPOH; * 350d 0x014c; */
/* reg_w(dev,TV8532_REQ_RegWrite,0,TV8532_EXPOSURE,value,2); * 1c */
setbrightness(gspca_dev);
data = ADWIDTHL; /* 0x20; */
reg_w(dev, TV8532_ADWIDTH_L, &data, 1); /* 0x0c */
data = ADWIDTHH;
reg_w(dev, TV8532_ADWIDTH_H, &data, 1); /* 0x0d */
/************************************************/
data = TESTCOMP; /* 0x72 compressed mode */
reg_w(dev, TV8532_QUANT_COMP, &data, 1); /* 0x28 */
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) {
/* 176x144 */
data = QCIFLINE; /* 0x84; // CIF | 4 packet */
reg_w(dev, TV8532_MODE_PACKET, &data, 1); /* 0x29 */
} else {
/* 352x288 */
data = TESTLINE; /* 0x84; // CIF | 4 packet */
reg_w(dev, TV8532_MODE_PACKET, &data, 1); /* 0x29 */
}
/************************************************/
data = TESTCLK; /* 0x48; //0x08; */
reg_w(dev, TV8532_SETCLK, &data, 1); /* 0x2c */
data = TESTPTL; /* 0x38; */
reg_w(dev, TV8532_POINT_L, &data, 1); /* 0x2d */
data = TESTPTH; /* 0x04; */
reg_w(dev, TV8532_POINT_H, &data, 1); /* 0x2e */
data = TESTPTBL; /* 0x04; */
reg_w(dev, TV8532_POINTB_L, &data, 1); /* 0x2f */
data = TESTPTBH; /* 0x04; */
reg_w(dev, TV8532_POINTB_H, &data, 1); /* 0x30 */
data = TV8532_CMD_UPDATE;
reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
/************************************************/
data = 0x01;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
msleep(200);
data = 0x00;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
/************************************************/
tv_8532_setReg(gspca_dev);
/************************************************/
data = 0x0b;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
/************************************************/
tv_8532_setReg(gspca_dev);
/************************************************/
tv_8532_PollReg(gspca_dev);
data = 0x00;
reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u8 data;
data = 0x0b;
reg_w(dev, TV8532_GPIO_OE, &data, 1);
}
static void sd_stop0(struct gspca_dev *gspca_dev)
{
}
static void sd_close(struct gspca_dev *gspca_dev)
{
}
static void tv8532_preprocess(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
/* we should received a whole frame with header and EOL marker
* in gspca_dev->tmpbuf and return a GBRG pattern in gspca_dev->tmpbuf2
* sequence 2bytes header the Alternate pixels bayer GB 4 bytes
* Alternate pixels bayer RG 4 bytes EOL */
int width = gspca_dev->width;
int height = gspca_dev->height;
unsigned char *dst = sd->tmpbuf2;
unsigned char *data = sd->tmpbuf;
int i;
/* precompute where is the good bayer line */
if (((data[3] + data[width + 7]) >> 1)
+ (data[4] >> 2)
+ (data[width + 6] >> 1) >= ((data[2] + data[width + 6]) >> 1)
+ (data[3] >> 2)
+ (data[width + 5] >> 1))
data += 3;
else
data += 2;
for (i = 0; i < height / 2; i++) {
memcpy(dst, data, width);
data += width + 3;
dst += width;
memcpy(dst, data, width);
data += width + 7;
dst += width;
}
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
struct gspca_frame *frame, /* target */
__u8 *data, /* isoc packet */
int len) /* iso packet length */
{
struct sd *sd = (struct sd *) gspca_dev;
if (data[0] != 0x80) {
sd->packet++;
if (sd->buflen + len > sizeof sd->tmpbuf) {
if (gspca_dev->last_packet_type != DISCARD_PACKET) {
PDEBUG(D_PACK, "buffer overflow");
gspca_dev->last_packet_type = DISCARD_PACKET;
}
return;
}
memcpy(&sd->tmpbuf[sd->buflen], data, len);
sd->buflen += len;
return;
}
/* here we detect 0x80 */
/* counter is limited so we need few header for a frame :) */
/* header 0x80 0x80 0x80 0x80 0x80 */
/* packet 00 63 127 145 00 */
/* sof 0 1 1 0 0 */
/* update sequence */
if (sd->packet == 63 || sd->packet == 127)
sd->synchro = 1;
/* is there a frame start ? */
if (sd->packet >= (gspca_dev->height >> 1) - 1) {
PDEBUG(D_PACK, "SOF > %d packet %d", sd->synchro,
sd->packet);
if (!sd->synchro) { /* start of frame */
if (gspca_dev->last_packet_type == FIRST_PACKET) {
tv8532_preprocess(gspca_dev);
frame = gspca_frame_add(gspca_dev,
LAST_PACKET,
frame, sd->tmpbuf2,
gspca_dev->width *
gspca_dev->width);
}
gspca_frame_add(gspca_dev, FIRST_PACKET,
frame, data, 0);
memcpy(sd->tmpbuf, data, len);
sd->buflen = len;
sd->packet = 0;
return;
}
if (gspca_dev->last_packet_type != DISCARD_PACKET) {
PDEBUG(D_PACK,
"Warning wrong TV8532 frame detection %d",
sd->packet);
gspca_dev->last_packet_type = DISCARD_PACKET;
}
return;
}
if (!sd->synchro) {
/* Drop packet frame corrupt */
PDEBUG(D_PACK, "DROP SOF %d packet %d",
sd->synchro, sd->packet);
sd->packet = 0;
gspca_dev->last_packet_type = DISCARD_PACKET;
return;
}
sd->synchro = 1;
sd->packet++;
memcpy(&sd->tmpbuf[sd->buflen], data, len);
sd->buflen += len;
}
static void setcontrast(struct gspca_dev *gspca_dev)
{
}
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 0;
}
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 0;
}
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->contrast;
return 0;
}
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
.nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.open = sd_open,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.close = sd_close,
.pkt_scan = sd_pkt_scan,
};
/* -- module initialisation -- */
#define DVNM(name) .driver_info = (kernel_ulong_t) name
static const __devinitdata struct usb_device_id device_table[] = {
{USB_DEVICE(0x046d, 0x0920), DVNM("QC Express")},
{USB_DEVICE(0x046d, 0x0921), DVNM("Labtec Webcam")},
{USB_DEVICE(0x0545, 0x808b), DVNM("Veo Stingray")},
{USB_DEVICE(0x0545, 0x8333), DVNM("Veo Stingray")},
{USB_DEVICE(0x0923, 0x010f), DVNM("ICM532 cams")},
{}
};
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,
};
/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
if (usb_register(&sd_driver) < 0)
return -1;
PDEBUG(D_PROBE, "v%s registered", version);
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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