707 lines
20 KiB
C
707 lines
20 KiB
C
/*
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* Quickcam cameras initialization data
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*
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* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define MODULE_NAME "tv8532"
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#include "gspca.h"
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#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 0)
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static const char version[] = "2.1.0";
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MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
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MODULE_DESCRIPTION("TV8532 USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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int buflen; /* current length of tmpbuf */
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__u8 tmpbuf[352 * 288 + 10 * 288]; /* no protection... */
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__u8 tmpbuf2[352 * 288]; /* no protection... */
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unsigned short brightness;
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unsigned short contrast;
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char packet;
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char synchro;
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};
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/* V4L2 controls supported by the driver */
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static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
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static struct ctrl sd_ctrls[] = {
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#define SD_BRIGHTNESS 0
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{
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 1,
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.maximum = 0x2ff,
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.step = 1,
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.default_value = 0x18f,
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},
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.set = sd_setbrightness,
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.get = sd_getbrightness,
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},
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#define SD_CONTRAST 1
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{
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{
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.id = V4L2_CID_CONTRAST,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Contrast",
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.minimum = 0,
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.maximum = 0xffff,
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.step = 1,
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.default_value = 0x7fff,
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},
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.set = sd_setcontrast,
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.get = sd_getcontrast,
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},
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};
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static struct cam_mode sif_mode[] = {
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{V4L2_PIX_FMT_SBGGR8, 176, 144, 1},
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{V4L2_PIX_FMT_SBGGR8, 352, 288, 0},
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};
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/*
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* Initialization data: this is the first set-up data written to the
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* device (before the open data).
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*/
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#define TESTCLK 0x10 /* reg 0x2c -> 0x12 //10 */
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#define TESTCOMP 0x90 /* reg 0x28 -> 0x80 */
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#define TESTLINE 0x81 /* reg 0x29 -> 0x81 */
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#define QCIFLINE 0x41 /* reg 0x29 -> 0x81 */
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#define TESTPTL 0x14 /* reg 0x2D -> 0x14 */
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#define TESTPTH 0x01 /* reg 0x2E -> 0x01 */
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#define TESTPTBL 0x12 /* reg 0x2F -> 0x0a */
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#define TESTPTBH 0x01 /* reg 0x30 -> 0x01 */
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#define ADWIDTHL 0xe8 /* reg 0x0c -> 0xe8 */
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#define ADWIDTHH 0x03 /* reg 0x0d -> 0x03 */
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#define ADHEIGHL 0x90 /* reg 0x0e -> 0x91 //93 */
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#define ADHEIGHH 0x01 /* reg 0x0f -> 0x01 */
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#define EXPOL 0x8f /* reg 0x1c -> 0x8f */
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#define EXPOH 0x01 /* reg 0x1d -> 0x01 */
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#define ADCBEGINL 0x44 /* reg 0x10 -> 0x46 //47 */
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#define ADCBEGINH 0x00 /* reg 0x11 -> 0x00 */
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#define ADRBEGINL 0x0a /* reg 0x14 -> 0x0b //0x0c */
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#define ADRBEGINH 0x00 /* reg 0x15 -> 0x00 */
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#define TV8532_CMD_UPDATE 0x84
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#define TV8532_EEprom_Add 0x03
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#define TV8532_EEprom_DataL 0x04
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#define TV8532_EEprom_DataM 0x05
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#define TV8532_EEprom_DataH 0x06
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#define TV8532_EEprom_TableLength 0x07
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#define TV8532_EEprom_Write 0x08
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#define TV8532_PART_CTRL 0x00
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#define TV8532_CTRL 0x01
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#define TV8532_CMD_EEprom_Open 0x30
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#define TV8532_CMD_EEprom_Close 0x29
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#define TV8532_UDP_UPDATE 0x31
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#define TV8532_GPIO 0x39
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#define TV8532_GPIO_OE 0x3B
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#define TV8532_REQ_RegWrite 0x02
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#define TV8532_REQ_RegRead 0x03
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#define TV8532_ADWIDTH_L 0x0C
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#define TV8532_ADWIDTH_H 0x0D
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#define TV8532_ADHEIGHT_L 0x0E
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#define TV8532_ADHEIGHT_H 0x0F
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#define TV8532_EXPOSURE 0x1C
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#define TV8532_QUANT_COMP 0x28
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#define TV8532_MODE_PACKET 0x29
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#define TV8532_SETCLK 0x2C
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#define TV8532_POINT_L 0x2D
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#define TV8532_POINT_H 0x2E
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#define TV8532_POINTB_L 0x2F
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#define TV8532_POINTB_H 0x30
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#define TV8532_BUDGET_L 0x2A
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#define TV8532_BUDGET_H 0x2B
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#define TV8532_VID_L 0x34
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#define TV8532_VID_H 0x35
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#define TV8532_PID_L 0x36
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#define TV8532_PID_H 0x37
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#define TV8532_DeviceID 0x83
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#define TV8532_AD_SLOPE 0x91
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#define TV8532_AD_BITCTRL 0x94
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#define TV8532_AD_COLBEGIN_L 0x10
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#define TV8532_AD_COLBEGIN_H 0x11
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#define TV8532_AD_ROWBEGIN_L 0x14
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#define TV8532_AD_ROWBEGIN_H 0x15
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static __u32 tv_8532_eeprom_data[] = {
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/* add dataL dataM dataH */
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0x00010001, 0x01018011, 0x02050014, 0x0305001c,
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0x040d001e, 0x0505001f, 0x06050519, 0x0705011b,
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0x0805091e, 0x090d892e, 0x0a05892f, 0x0b050dd9,
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0x0c0509f1, 0
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};
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static void reg_r(struct usb_device *dev,
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__u16 index, __u8 *buffer)
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{
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usb_control_msg(dev,
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usb_rcvctrlpipe(dev, 0),
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TV8532_REQ_RegRead,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, /* value */
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index, buffer, sizeof(__u8),
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500);
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}
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static void reg_w(struct usb_device *dev,
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__u16 index, __u8 *buffer, __u16 length)
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{
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usb_control_msg(dev,
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usb_sndctrlpipe(dev, 0),
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TV8532_REQ_RegWrite,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, /* value */
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index, buffer, length, 500);
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}
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static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
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{
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int i = 0;
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__u8 reg, data0, data1, data2, datacmd;
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struct usb_device *dev = gspca_dev->dev;
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datacmd = 0xb0;;
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reg_w(dev, TV8532_GPIO, &datacmd, 1);
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datacmd = TV8532_CMD_EEprom_Open;
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reg_w(dev, TV8532_CTRL, &datacmd, 1);
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/* msleep(1); */
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while (tv_8532_eeprom_data[i]) {
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reg = (tv_8532_eeprom_data[i] & 0xff000000) >> 24;
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reg_w(dev, TV8532_EEprom_Add, ®, 1);
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/* msleep(1); */
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data0 = (tv_8532_eeprom_data[i] & 0x000000ff);
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reg_w(dev, TV8532_EEprom_DataL, &data0, 1);
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/* msleep(1); */
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data1 = (tv_8532_eeprom_data[i] & 0x0000FF00) >> 8;
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reg_w(dev, TV8532_EEprom_DataM, &data1, 1);
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/* msleep(1); */
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data2 = (tv_8532_eeprom_data[i] & 0x00FF0000) >> 16;
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reg_w(dev, TV8532_EEprom_DataH, &data2, 1);
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/* msleep(1); */
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datacmd = 0;
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reg_w(dev, TV8532_EEprom_Write, &datacmd, 1);
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/* msleep(10); */
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i++;
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}
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datacmd = i;
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reg_w(dev, TV8532_EEprom_TableLength, &datacmd, 1);
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/* msleep(1); */
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datacmd = TV8532_CMD_EEprom_Close;
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reg_w(dev, TV8532_CTRL, &datacmd, 1);
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msleep(10);
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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tv_8532WriteEEprom(gspca_dev);
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cam = &gspca_dev->cam;
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cam->dev_name = (char *) id->driver_info;
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cam->epaddr = 1;
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cam->cam_mode = sif_mode;
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cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
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sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
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sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
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return 0;
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}
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static void tv_8532ReadRegisters(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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__u8 data = 0;
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/* __u16 vid, pid; */
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reg_r(dev, 0x0001, &data);
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PDEBUG(D_USBI, "register 0x01-> %x", data);
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reg_r(dev, 0x0002, &data);
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PDEBUG(D_USBI, "register 0x02-> %x", data);
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reg_r(dev, TV8532_ADWIDTH_L, &data);
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reg_r(dev, TV8532_ADWIDTH_H, &data);
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reg_r(dev, TV8532_QUANT_COMP, &data);
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reg_r(dev, TV8532_MODE_PACKET, &data);
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reg_r(dev, TV8532_SETCLK, &data);
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reg_r(dev, TV8532_POINT_L, &data);
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reg_r(dev, TV8532_POINT_H, &data);
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reg_r(dev, TV8532_POINTB_L, &data);
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reg_r(dev, TV8532_POINTB_H, &data);
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reg_r(dev, TV8532_BUDGET_L, &data);
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reg_r(dev, TV8532_BUDGET_H, &data);
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reg_r(dev, TV8532_VID_L, &data);
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reg_r(dev, TV8532_VID_H, &data);
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reg_r(dev, TV8532_PID_L, &data);
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reg_r(dev, TV8532_PID_H, &data);
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reg_r(dev, TV8532_DeviceID, &data);
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reg_r(dev, TV8532_AD_COLBEGIN_L, &data);
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reg_r(dev, TV8532_AD_COLBEGIN_H, &data);
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reg_r(dev, TV8532_AD_ROWBEGIN_L, &data);
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reg_r(dev, TV8532_AD_ROWBEGIN_H, &data);
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}
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static void tv_8532_setReg(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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__u8 data = 0;
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__u8 value[2] = { 0, 0 };
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data = ADCBEGINL;
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reg_w(dev, TV8532_AD_COLBEGIN_L, &data, 1); /* 0x10 */
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data = ADCBEGINH; /* also digital gain */
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reg_w(dev, TV8532_AD_COLBEGIN_H, &data, 1);
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data = TV8532_CMD_UPDATE;
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reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
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data = 0x0a;
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reg_w(dev, TV8532_GPIO_OE, &data, 1);
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/******************************************************/
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data = ADHEIGHL;
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reg_w(dev, TV8532_ADHEIGHT_L, &data, 1); /* 0e */
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data = ADHEIGHH;
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reg_w(dev, TV8532_ADHEIGHT_H, &data, 1); /* 0f */
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value[0] = EXPOL;
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value[1] = EXPOH; /* 350d 0x014c; */
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reg_w(dev, TV8532_EXPOSURE, value, 2); /* 1c */
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data = ADCBEGINL;
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reg_w(dev, TV8532_AD_COLBEGIN_L, &data, 1); /* 0x10 */
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data = ADCBEGINH; /* also digital gain */
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reg_w(dev, TV8532_AD_COLBEGIN_H, &data, 1);
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data = ADRBEGINL;
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reg_w(dev, TV8532_AD_ROWBEGIN_L, &data, 1); /* 0x14 */
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data = 0x00;
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reg_w(dev, TV8532_AD_SLOPE, &data, 1); /* 0x91 */
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data = 0x02;
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reg_w(dev, TV8532_AD_BITCTRL, &data, 1); /* 0x94 */
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data = TV8532_CMD_EEprom_Close;
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reg_w(dev, TV8532_CTRL, &data, 1); /* 0x01 */
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data = 0x00;
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reg_w(dev, TV8532_AD_SLOPE, &data, 1); /* 0x91 */
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data = TV8532_CMD_UPDATE;
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reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
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}
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static void tv_8532_PollReg(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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__u8 data = 0;
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int i;
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/* strange polling from tgc */
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for (i = 0; i < 10; i++) {
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data = TESTCLK; /* 0x48; //0x08; */
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reg_w(dev, TV8532_SETCLK, &data, 1); /* 0x2c */
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data = TV8532_CMD_UPDATE;
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reg_w(dev, TV8532_PART_CTRL, &data, 1);
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data = 0x01;
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reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
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}
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}
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/* this function is called at open time */
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static int sd_open(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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__u8 data = 0;
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__u8 dataStart = 0;
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__u8 value[2] = { 0, 0 };
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data = 0x32;
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reg_w(dev, TV8532_AD_SLOPE, &data, 1);
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data = 0;
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reg_w(dev, TV8532_AD_BITCTRL, &data, 1);
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tv_8532ReadRegisters(gspca_dev);
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data = 0x0b;
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reg_w(dev, TV8532_GPIO_OE, &data, 1);
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value[0] = ADHEIGHL;
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value[1] = ADHEIGHH; /* 401d 0x0169; */
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reg_w(dev, TV8532_ADHEIGHT_L, value, 2); /* 0e */
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value[0] = EXPOL;
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value[1] = EXPOH; /* 350d 0x014c; */
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reg_w(dev, TV8532_EXPOSURE, value, 2); /* 1c */
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data = ADWIDTHL; /* 0x20; */
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reg_w(dev, TV8532_ADWIDTH_L, &data, 1); /* 0x0c */
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data = ADWIDTHH;
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reg_w(dev, TV8532_ADWIDTH_H, &data, 1); /* 0x0d */
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/*******************************************************************/
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data = TESTCOMP; /* 0x72 compressed mode */
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reg_w(dev, TV8532_QUANT_COMP, &data, 1); /* 0x28 */
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data = TESTLINE; /* 0x84; // CIF | 4 packet */
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reg_w(dev, TV8532_MODE_PACKET, &data, 1); /* 0x29 */
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/************************************************/
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data = TESTCLK; /* 0x48; //0x08; */
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reg_w(dev, TV8532_SETCLK, &data, 1); /* 0x2c */
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data = TESTPTL; /* 0x38; */
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reg_w(dev, TV8532_POINT_L, &data, 1); /* 0x2d */
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data = TESTPTH; /* 0x04; */
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reg_w(dev, TV8532_POINT_H, &data, 1); /* 0x2e */
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dataStart = TESTPTBL; /* 0x04; */
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reg_w(dev, TV8532_POINTB_L, &dataStart, 1); /* 0x2f */
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data = TESTPTBH; /* 0x04; */
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reg_w(dev, TV8532_POINTB_H, &data, 1); /* 0x30 */
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data = TV8532_CMD_UPDATE;
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reg_w(dev, TV8532_PART_CTRL, &data, 1); /* 0x00<-0x84 */
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/*************************************************/
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data = 0x01;
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reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
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msleep(200);
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data = 0x00;
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reg_w(dev, TV8532_UDP_UPDATE, &data, 1); /* 0x31 */
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/*************************************************/
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tv_8532_setReg(gspca_dev);
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/*************************************************/
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data = 0x0b;
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reg_w(dev, TV8532_GPIO_OE, &data, 1);
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/*************************************************/
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tv_8532_setReg(gspca_dev);
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/*************************************************/
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tv_8532_PollReg(gspca_dev);
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return 0;
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}
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static void setbrightness(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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__u8 value[2];
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__u8 data;
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int brightness = sd->brightness;
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value[1] = (brightness >> 8) & 0xff;
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value[0] = (brightness) & 0xff;
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reg_w(gspca_dev->dev, TV8532_EXPOSURE, value, 2); /* 1c */
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data = TV8532_CMD_UPDATE;
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reg_w(gspca_dev->dev, TV8532_PART_CTRL, &data, 1);
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}
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/* -- start the camera -- */
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static void sd_start(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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__u8 data;
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__u8 value[2];
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data = 0x32;
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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 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 __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);
|