376 lines
9.6 KiB
C
Executable file
376 lines
9.6 KiB
C
Executable file
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
#define MODULE_NAME "tv8532"
|
|
|
|
#include "gspca.h"
|
|
|
|
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 */
|
|
|
|
__u8 packet;
|
|
};
|
|
|
|
static const struct v4l2_pix_format sif_mode[] = {
|
|
{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
|
|
.bytesperline = 176,
|
|
.sizeimage = 176 * 144,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 1},
|
|
{352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
|
|
.bytesperline = 352,
|
|
.sizeimage = 352 * 288,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 0},
|
|
};
|
|
|
|
/* TV-8532A (ICM532A) registers (LE) */
|
|
#define R00_PART_CONTROL 0x00
|
|
#define LATENT_CHANGE 0x80
|
|
#define EXPO_CHANGE 0x04
|
|
#define R01_TIMING_CONTROL_LOW 0x01
|
|
#define CMD_EEprom_Open 0x30
|
|
#define CMD_EEprom_Close 0x29
|
|
#define R03_TABLE_ADDR 0x03
|
|
#define R04_WTRAM_DATA_L 0x04
|
|
#define R05_WTRAM_DATA_M 0x05
|
|
#define R06_WTRAM_DATA_H 0x06
|
|
#define R07_TABLE_LEN 0x07
|
|
#define R08_RAM_WRITE_ACTION 0x08
|
|
#define R0C_AD_WIDTHL 0x0c
|
|
#define R0D_AD_WIDTHH 0x0d
|
|
#define R0E_AD_HEIGHTL 0x0e
|
|
#define R0F_AD_HEIGHTH 0x0f
|
|
#define R10_AD_COL_BEGINL 0x10
|
|
#define R11_AD_COL_BEGINH 0x11
|
|
#define MIRROR 0x04 /* [10] */
|
|
#define R14_AD_ROW_BEGINL 0x14
|
|
#define R15_AD_ROWBEGINH 0x15
|
|
#define R1C_AD_EXPOSE_TIMEL 0x1c
|
|
#define R20_GAIN_G1L 0x20
|
|
#define R21_GAIN_G1H 0x21
|
|
#define R22_GAIN_RL 0x22
|
|
#define R23_GAIN_RH 0x23
|
|
#define R24_GAIN_BL 0x24
|
|
#define R25_GAIN_BH 0x25
|
|
#define R26_GAIN_G2L 0x26
|
|
#define R27_GAIN_G2H 0x27
|
|
#define R28_QUANT 0x28
|
|
#define R29_LINE 0x29
|
|
#define R2C_POLARITY 0x2c
|
|
#define R2D_POINT 0x2d
|
|
#define R2E_POINTH 0x2e
|
|
#define R2F_POINTB 0x2f
|
|
#define R30_POINTBH 0x30
|
|
#define R31_UPD 0x31
|
|
#define R2A_HIGH_BUDGET 0x2a
|
|
#define R2B_LOW_BUDGET 0x2b
|
|
#define R34_VID 0x34
|
|
#define R35_VIDH 0x35
|
|
#define R36_PID 0x36
|
|
#define R37_PIDH 0x37
|
|
#define R39_Test1 0x39 /* GPIO */
|
|
#define R3B_Test3 0x3b /* GPIO */
|
|
#define R83_AD_IDH 0x83
|
|
#define R91_AD_SLOPEREG 0x91
|
|
#define R94_AD_BITCONTROL 0x94
|
|
|
|
static const u8 eeprom_data[][3] = {
|
|
/* dataH dataM dataL */
|
|
{0x01, 0x00, 0x01},
|
|
{0x01, 0x80, 0x11},
|
|
{0x05, 0x00, 0x14},
|
|
{0x05, 0x00, 0x1c},
|
|
{0x0d, 0x00, 0x1e},
|
|
{0x05, 0x00, 0x1f},
|
|
{0x05, 0x05, 0x19},
|
|
{0x05, 0x01, 0x1b},
|
|
{0x05, 0x09, 0x1e},
|
|
{0x0d, 0x89, 0x2e},
|
|
{0x05, 0x89, 0x2f},
|
|
{0x05, 0x0d, 0xd9},
|
|
{0x05, 0x09, 0xf1},
|
|
};
|
|
|
|
|
|
/* write 1 byte */
|
|
static void reg_w1(struct gspca_dev *gspca_dev,
|
|
__u16 index, __u8 value)
|
|
{
|
|
gspca_dev->usb_buf[0] = value;
|
|
usb_control_msg(gspca_dev->dev,
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
|
0x02,
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0, /* value */
|
|
index, gspca_dev->usb_buf, 1, 500);
|
|
}
|
|
|
|
/* write 2 bytes */
|
|
static void reg_w2(struct gspca_dev *gspca_dev,
|
|
u16 index, u16 value)
|
|
{
|
|
gspca_dev->usb_buf[0] = value;
|
|
gspca_dev->usb_buf[1] = value >> 8;
|
|
usb_control_msg(gspca_dev->dev,
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
|
0x02,
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0, /* value */
|
|
index, gspca_dev->usb_buf, 2, 500);
|
|
}
|
|
|
|
static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
|
|
{
|
|
int i;
|
|
|
|
reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
|
|
for (i = 0; i < ARRAY_SIZE(eeprom_data); i++) {
|
|
reg_w1(gspca_dev, R03_TABLE_ADDR, i);
|
|
reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
|
|
reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
|
|
reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
|
|
reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
|
|
}
|
|
reg_w1(gspca_dev, R07_TABLE_LEN, i);
|
|
reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
|
|
}
|
|
|
|
/* this function is called at probe time */
|
|
static int sd_config(struct gspca_dev *gspca_dev,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct cam *cam;
|
|
|
|
cam = &gspca_dev->cam;
|
|
cam->cam_mode = sif_mode;
|
|
cam->nmodes = ARRAY_SIZE(sif_mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tv_8532_setReg(struct gspca_dev *gspca_dev)
|
|
{
|
|
reg_w1(gspca_dev, R3B_Test3, 0x0a); /* Test0Sel = 10 */
|
|
/******************************************************/
|
|
reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
|
|
reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
|
|
reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
|
|
reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
|
|
/* begin active line */
|
|
reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
|
|
/* mirror and digital gain */
|
|
reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);
|
|
|
|
reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
|
|
reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
|
|
reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
|
|
/* = 0x84 */
|
|
}
|
|
|
|
/* this function is called at probe and resume time */
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
{
|
|
tv_8532WriteEEprom(gspca_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void setexposure(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
|
|
reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
|
|
/* 0x84 */
|
|
}
|
|
|
|
static void setgain(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
reg_w2(gspca_dev, R20_GAIN_G1L, val);
|
|
reg_w2(gspca_dev, R22_GAIN_RL, val);
|
|
reg_w2(gspca_dev, R24_GAIN_BL, val);
|
|
reg_w2(gspca_dev, R26_GAIN_G2L, val);
|
|
}
|
|
|
|
/* -- start the camera -- */
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8); /* 0x20; 0x0c */
|
|
reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);
|
|
|
|
/************************************************/
|
|
reg_w1(gspca_dev, R28_QUANT, 0x90);
|
|
/* 0x72 compressed mode 0x28 */
|
|
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
|
|
/* 176x144 */
|
|
reg_w1(gspca_dev, R29_LINE, 0x41);
|
|
/* CIF - 2 lines/packet */
|
|
} else {
|
|
/* 352x288 */
|
|
reg_w1(gspca_dev, R29_LINE, 0x81);
|
|
/* CIF - 2 lines/packet */
|
|
}
|
|
/************************************************/
|
|
reg_w1(gspca_dev, R2C_POLARITY, 0x10); /* slow clock */
|
|
reg_w1(gspca_dev, R2D_POINT, 0x14);
|
|
reg_w1(gspca_dev, R2E_POINTH, 0x01);
|
|
reg_w1(gspca_dev, R2F_POINTB, 0x12);
|
|
reg_w1(gspca_dev, R30_POINTBH, 0x01);
|
|
|
|
tv_8532_setReg(gspca_dev);
|
|
|
|
/************************************************/
|
|
reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */
|
|
msleep(200);
|
|
reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */
|
|
|
|
gspca_dev->empty_packet = 0; /* check the empty packets */
|
|
sd->packet = 0; /* ignore the first packets */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */
|
|
}
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
u8 *data, /* isoc packet */
|
|
int len) /* iso packet length */
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int packet_type0, packet_type1;
|
|
|
|
packet_type0 = packet_type1 = INTER_PACKET;
|
|
if (gspca_dev->empty_packet) {
|
|
gspca_dev->empty_packet = 0;
|
|
sd->packet = gspca_dev->pixfmt.height / 2;
|
|
packet_type0 = FIRST_PACKET;
|
|
} else if (sd->packet == 0)
|
|
return; /* 2 more lines in 352x288 ! */
|
|
sd->packet--;
|
|
if (sd->packet == 0)
|
|
packet_type1 = LAST_PACKET;
|
|
|
|
/* each packet contains:
|
|
* - header 2 bytes
|
|
* - RGRG line
|
|
* - 4 bytes
|
|
* - GBGB line
|
|
* - 4 bytes
|
|
*/
|
|
gspca_frame_add(gspca_dev, packet_type0,
|
|
data + 2, gspca_dev->pixfmt.width);
|
|
gspca_frame_add(gspca_dev, packet_type1,
|
|
data + gspca_dev->pixfmt.width + 5,
|
|
gspca_dev->pixfmt.width);
|
|
}
|
|
|
|
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gspca_dev *gspca_dev =
|
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
|
|
|
gspca_dev->usb_err = 0;
|
|
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_EXPOSURE:
|
|
setexposure(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
setgain(gspca_dev, ctrl->val);
|
|
break;
|
|
}
|
|
return gspca_dev->usb_err;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
|
.s_ctrl = sd_s_ctrl,
|
|
};
|
|
|
|
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
|
|
|
|
gspca_dev->vdev.ctrl_handler = hdl;
|
|
v4l2_ctrl_handler_init(hdl, 2);
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_EXPOSURE, 0, 0x18f, 1, 0x18f);
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_GAIN, 0, 0x7ff, 1, 0x100);
|
|
|
|
if (hdl->error) {
|
|
pr_err("Could not initialize controls\n");
|
|
return hdl->error;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc = {
|
|
.name = MODULE_NAME,
|
|
.config = sd_config,
|
|
.init = sd_init,
|
|
.init_controls = sd_init_controls,
|
|
.start = sd_start,
|
|
.stopN = sd_stopN,
|
|
.pkt_scan = sd_pkt_scan,
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x046d, 0x0920)},
|
|
{USB_DEVICE(0x046d, 0x0921)},
|
|
{USB_DEVICE(0x0545, 0x808b)},
|
|
{USB_DEVICE(0x0545, 0x8333)},
|
|
{USB_DEVICE(0x0923, 0x010f)},
|
|
{}
|
|
};
|
|
|
|
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,
|
|
.reset_resume = gspca_resume,
|
|
#endif
|
|
};
|
|
|
|
module_usb_driver(sd_driver);
|