602 lines
16 KiB
C
602 lines
16 KiB
C
/*
|
|
* Driver for the mt9m111 sensor
|
|
*
|
|
* Copyright (C) 2008 Erik Andrén
|
|
* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
|
|
* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
|
|
*
|
|
* Portions of code to USB interface and ALi driver software,
|
|
* Copyright (c) 2006 Willem Duinker
|
|
* v4l2 interface modeled after the V4L2 driver
|
|
* for SN9C10x PC Camera Controllers
|
|
*
|
|
* 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, version 2.
|
|
*
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include "m5602_mt9m111.h"
|
|
|
|
static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl);
|
|
static void mt9m111_dump_registers(struct sd *sd);
|
|
|
|
static const unsigned char preinit_mt9m111[][4] = {
|
|
{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
|
|
{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00},
|
|
{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
|
|
{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
|
|
|
|
{SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00},
|
|
{SENSOR, MT9M111_SC_RESET,
|
|
MT9M111_RESET |
|
|
MT9M111_RESTART |
|
|
MT9M111_ANALOG_STANDBY |
|
|
MT9M111_CHIP_DISABLE,
|
|
MT9M111_SHOW_BAD_FRAMES |
|
|
MT9M111_RESTART_BAD_FRAMES |
|
|
MT9M111_SYNCHRONIZE_CHANGES},
|
|
|
|
{BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
|
|
|
|
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
|
|
|
|
{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}
|
|
};
|
|
|
|
static const unsigned char init_mt9m111[][4] = {
|
|
{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
|
|
{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
|
|
{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
|
|
|
|
{BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00},
|
|
{BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00},
|
|
{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00},
|
|
|
|
{SENSOR, MT9M111_SC_RESET, 0x00, 0x29},
|
|
{SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00},
|
|
{SENSOR, MT9M111_SC_RESET, 0x00, 0x08},
|
|
{SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01},
|
|
{SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00,
|
|
MT9M111_CP_OPERATING_MODE_CTL},
|
|
{SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a},
|
|
{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00,
|
|
MT9M111_2D_DEFECT_CORRECTION_ENABLE},
|
|
{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00,
|
|
MT9M111_2D_DEFECT_CORRECTION_ENABLE},
|
|
{SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00},
|
|
{SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00},
|
|
{SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00},
|
|
{SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00},
|
|
{SENSOR, 0xcd, 0x00, 0x0e},
|
|
{SENSOR, 0xd0, 0x00, 0x40},
|
|
|
|
{SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02},
|
|
{SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00},
|
|
{SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03},
|
|
|
|
{SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00},
|
|
{SENSOR, 0x33, 0x03, 0x49},
|
|
{SENSOR, 0x34, 0xc0, 0x19},
|
|
{SENSOR, 0x3f, 0x20, 0x20},
|
|
{SENSOR, 0x40, 0x20, 0x20},
|
|
{SENSOR, 0x5a, 0xc0, 0x0a},
|
|
{SENSOR, 0x70, 0x7b, 0x0a},
|
|
{SENSOR, 0x71, 0xff, 0x00},
|
|
{SENSOR, 0x72, 0x19, 0x0e},
|
|
{SENSOR, 0x73, 0x18, 0x0f},
|
|
{SENSOR, 0x74, 0x57, 0x32},
|
|
{SENSOR, 0x75, 0x56, 0x34},
|
|
{SENSOR, 0x76, 0x73, 0x35},
|
|
{SENSOR, 0x77, 0x30, 0x12},
|
|
{SENSOR, 0x78, 0x79, 0x02},
|
|
{SENSOR, 0x79, 0x75, 0x06},
|
|
{SENSOR, 0x7a, 0x77, 0x0a},
|
|
{SENSOR, 0x7b, 0x78, 0x09},
|
|
{SENSOR, 0x7c, 0x7d, 0x06},
|
|
{SENSOR, 0x7d, 0x31, 0x10},
|
|
{SENSOR, 0x7e, 0x00, 0x7e},
|
|
{SENSOR, 0x80, 0x59, 0x04},
|
|
{SENSOR, 0x81, 0x59, 0x04},
|
|
{SENSOR, 0x82, 0x57, 0x0a},
|
|
{SENSOR, 0x83, 0x58, 0x0b},
|
|
{SENSOR, 0x84, 0x47, 0x0c},
|
|
{SENSOR, 0x85, 0x48, 0x0e},
|
|
{SENSOR, 0x86, 0x5b, 0x02},
|
|
{SENSOR, 0x87, 0x00, 0x5c},
|
|
{SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, MT9M111_SEL_CONTEXT_B},
|
|
{SENSOR, 0x60, 0x00, 0x80},
|
|
{SENSOR, 0x61, 0x00, 0x00},
|
|
{SENSOR, 0x62, 0x00, 0x00},
|
|
{SENSOR, 0x63, 0x00, 0x00},
|
|
{SENSOR, 0x64, 0x00, 0x00},
|
|
|
|
{SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, /* 13 */
|
|
{SENSOR, MT9M111_SC_COLSTART, 0x00, 0x12}, /* 18 */
|
|
{SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x00}, /* 1024 */
|
|
{SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x10}, /* 1296 */
|
|
{SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x60}, /* 352 */
|
|
{SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, /* 17 */
|
|
{SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x60}, /* 352 */
|
|
{SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, /* 17 */
|
|
{SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x0f}, /* 271 */
|
|
{SENSOR, 0x30, 0x04, 0x00},
|
|
/* Set number of blank rows chosen to 400 */
|
|
{SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0x90},
|
|
};
|
|
|
|
static const unsigned char start_mt9m111[][4] = {
|
|
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00},
|
|
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
|
|
{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
|
|
{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
|
|
{BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00},
|
|
{BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00},
|
|
{BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00},
|
|
{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
|
|
{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
|
|
};
|
|
|
|
static struct v4l2_pix_format mt9m111_modes[] = {
|
|
{
|
|
640,
|
|
480,
|
|
V4L2_PIX_FMT_SBGGR8,
|
|
V4L2_FIELD_NONE,
|
|
.sizeimage = 640 * 480,
|
|
.bytesperline = 640,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 0
|
|
}
|
|
};
|
|
|
|
static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = {
|
|
.s_ctrl = mt9m111_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_ctrl_config mt9m111_greenbal_cfg = {
|
|
.ops = &mt9m111_ctrl_ops,
|
|
.id = M5602_V4L2_CID_GREEN_BALANCE,
|
|
.name = "Green Balance",
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.min = 0,
|
|
.max = 0x7ff,
|
|
.step = 1,
|
|
.def = MT9M111_GREEN_GAIN_DEFAULT,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER,
|
|
};
|
|
|
|
int mt9m111_probe(struct sd *sd)
|
|
{
|
|
u8 data[2] = {0x00, 0x00};
|
|
int i;
|
|
struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
|
|
|
|
if (force_sensor) {
|
|
if (force_sensor == MT9M111_SENSOR) {
|
|
pr_info("Forcing a %s sensor\n", mt9m111.name);
|
|
goto sensor_found;
|
|
}
|
|
/* If we want to force another sensor, don't try to probe this
|
|
* one */
|
|
return -ENODEV;
|
|
}
|
|
|
|
PDEBUG(D_PROBE, "Probing for a mt9m111 sensor");
|
|
|
|
/* Do the preinit */
|
|
for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) {
|
|
if (preinit_mt9m111[i][0] == BRIDGE) {
|
|
m5602_write_bridge(sd,
|
|
preinit_mt9m111[i][1],
|
|
preinit_mt9m111[i][2]);
|
|
} else {
|
|
data[0] = preinit_mt9m111[i][2];
|
|
data[1] = preinit_mt9m111[i][3];
|
|
m5602_write_sensor(sd,
|
|
preinit_mt9m111[i][1], data, 2);
|
|
}
|
|
}
|
|
|
|
if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2))
|
|
return -ENODEV;
|
|
|
|
if ((data[0] == 0x14) && (data[1] == 0x3a)) {
|
|
pr_info("Detected a mt9m111 sensor\n");
|
|
goto sensor_found;
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
sensor_found:
|
|
sd->gspca_dev.cam.cam_mode = mt9m111_modes;
|
|
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt9m111_init(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
|
|
/* Init the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) {
|
|
u8 data[2];
|
|
|
|
if (init_mt9m111[i][0] == BRIDGE) {
|
|
err = m5602_write_bridge(sd,
|
|
init_mt9m111[i][1],
|
|
init_mt9m111[i][2]);
|
|
} else {
|
|
data[0] = init_mt9m111[i][2];
|
|
data[1] = init_mt9m111[i][3];
|
|
err = m5602_write_sensor(sd,
|
|
init_mt9m111[i][1], data, 2);
|
|
}
|
|
}
|
|
|
|
if (dump_sensor)
|
|
mt9m111_dump_registers(sd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt9m111_init_controls(struct sd *sd)
|
|
{
|
|
struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
|
|
|
|
sd->gspca_dev.vdev.ctrl_handler = hdl;
|
|
v4l2_ctrl_handler_init(hdl, 7);
|
|
|
|
sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops,
|
|
V4L2_CID_AUTO_WHITE_BALANCE,
|
|
0, 1, 1, 0);
|
|
sd->green_bal = v4l2_ctrl_new_custom(hdl, &mt9m111_greenbal_cfg, NULL);
|
|
sd->red_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops,
|
|
V4L2_CID_RED_BALANCE, 0, 0x7ff, 1,
|
|
MT9M111_RED_GAIN_DEFAULT);
|
|
sd->blue_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops,
|
|
V4L2_CID_BLUE_BALANCE, 0, 0x7ff, 1,
|
|
MT9M111_BLUE_GAIN_DEFAULT);
|
|
|
|
v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_GAIN, 0,
|
|
(INITIAL_MAX_GAIN - 1) * 2 * 2 * 2, 1,
|
|
MT9M111_DEFAULT_GAIN);
|
|
|
|
sd->hflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_HFLIP,
|
|
0, 1, 1, 0);
|
|
sd->vflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_VFLIP,
|
|
0, 1, 1, 0);
|
|
|
|
if (hdl->error) {
|
|
pr_err("Could not initialize controls\n");
|
|
return hdl->error;
|
|
}
|
|
|
|
v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false);
|
|
v4l2_ctrl_cluster(2, &sd->hflip);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt9m111_start(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
u8 data[2];
|
|
struct cam *cam = &sd->gspca_dev.cam;
|
|
struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
|
|
|
|
int width = cam->cam_mode[sd->gspca_dev.curr_mode].width - 1;
|
|
int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(start_mt9m111) && !err; i++) {
|
|
if (start_mt9m111[i][0] == BRIDGE) {
|
|
err = m5602_write_bridge(sd,
|
|
start_mt9m111[i][1],
|
|
start_mt9m111[i][2]);
|
|
} else {
|
|
data[0] = start_mt9m111[i][2];
|
|
data[1] = start_mt9m111[i][3];
|
|
err = m5602_write_sensor(sd,
|
|
start_mt9m111[i][1], data, 2);
|
|
}
|
|
}
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA,
|
|
(width >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, width & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
switch (width) {
|
|
case 640:
|
|
PDEBUG(D_CONF, "Configuring camera for VGA mode");
|
|
break;
|
|
|
|
case 320:
|
|
PDEBUG(D_CONF, "Configuring camera for QVGA mode");
|
|
break;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
void mt9m111_disconnect(struct sd *sd)
|
|
{
|
|
sd->sensor = NULL;
|
|
}
|
|
|
|
static int mt9m111_set_hvflip(struct gspca_dev *gspca_dev)
|
|
{
|
|
int err;
|
|
u8 data[2] = {0x00, 0x00};
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int hflip;
|
|
int vflip;
|
|
|
|
PDEBUG(D_CONF, "Set hvflip to %d %d", sd->hflip->val, sd->vflip->val);
|
|
|
|
/* The mt9m111 is flipped by default */
|
|
hflip = !sd->hflip->val;
|
|
vflip = !sd->vflip->val;
|
|
|
|
/* Set the correct page map */
|
|
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = MT9M111_RMB_OVER_SIZED;
|
|
if (gspca_dev->pixfmt.width == 640) {
|
|
data[1] = MT9M111_RMB_ROW_SKIP_2X |
|
|
MT9M111_RMB_COLUMN_SKIP_2X |
|
|
(hflip << 1) | vflip;
|
|
} else {
|
|
data[1] = MT9M111_RMB_ROW_SKIP_4X |
|
|
MT9M111_RMB_COLUMN_SKIP_4X |
|
|
(hflip << 1) | vflip;
|
|
}
|
|
err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
|
|
data, 2);
|
|
return err;
|
|
}
|
|
|
|
static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int err;
|
|
u8 data[2];
|
|
|
|
err = m5602_read_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[1] = ((data[1] & 0xfd) | ((val & 0x01) << 1));
|
|
|
|
err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2);
|
|
|
|
PDEBUG(D_CONF, "Set auto white balance %d", val);
|
|
return err;
|
|
}
|
|
|
|
static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err, tmp;
|
|
u8 data[2] = {0x00, 0x00};
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
/* Set the correct page map */
|
|
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2)
|
|
return -EINVAL;
|
|
|
|
if ((val >= INITIAL_MAX_GAIN * 2 * 2) &&
|
|
(val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2))
|
|
tmp = (1 << 10) | (val << 9) |
|
|
(val << 8) | (val / 8);
|
|
else if ((val >= INITIAL_MAX_GAIN * 2) &&
|
|
(val < INITIAL_MAX_GAIN * 2 * 2))
|
|
tmp = (1 << 9) | (1 << 8) | (val / 4);
|
|
else if ((val >= INITIAL_MAX_GAIN) &&
|
|
(val < INITIAL_MAX_GAIN * 2))
|
|
tmp = (1 << 8) | (val / 2);
|
|
else
|
|
tmp = val;
|
|
|
|
data[1] = (tmp & 0xff);
|
|
data[0] = (tmp & 0xff00) >> 8;
|
|
PDEBUG(D_CONF, "tmp=%d, data[1]=%d, data[0]=%d", tmp,
|
|
data[1], data[0]);
|
|
|
|
err = m5602_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN,
|
|
data, 2);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[1] = (val & 0xff);
|
|
data[0] = (val & 0xff00) >> 8;
|
|
|
|
PDEBUG(D_CONF, "Set green balance %d", val);
|
|
err = m5602_write_sensor(sd, MT9M111_SC_GREEN_1_GAIN,
|
|
data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return m5602_write_sensor(sd, MT9M111_SC_GREEN_2_GAIN,
|
|
data, 2);
|
|
}
|
|
|
|
static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[1] = (val & 0xff);
|
|
data[0] = (val & 0xff00) >> 8;
|
|
|
|
PDEBUG(D_CONF, "Set blue balance %d", val);
|
|
|
|
return m5602_write_sensor(sd, MT9M111_SC_BLUE_GAIN,
|
|
data, 2);
|
|
}
|
|
|
|
static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[1] = (val & 0xff);
|
|
data[0] = (val & 0xff00) >> 8;
|
|
|
|
PDEBUG(D_CONF, "Set red balance %d", val);
|
|
|
|
return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN,
|
|
data, 2);
|
|
}
|
|
|
|
static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gspca_dev *gspca_dev =
|
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int err;
|
|
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
err = mt9m111_set_auto_white_balance(gspca_dev, ctrl->val);
|
|
if (err || ctrl->val)
|
|
return err;
|
|
err = mt9m111_set_green_balance(gspca_dev, sd->green_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = mt9m111_set_red_balance(gspca_dev, sd->red_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = mt9m111_set_blue_balance(gspca_dev, sd->blue_bal->val);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
err = mt9m111_set_gain(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
err = mt9m111_set_hvflip(gspca_dev);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void mt9m111_dump_registers(struct sd *sd)
|
|
{
|
|
u8 address, value[2] = {0x00, 0x00};
|
|
|
|
pr_info("Dumping the mt9m111 register state\n");
|
|
|
|
pr_info("Dumping the mt9m111 sensor core registers\n");
|
|
value[1] = MT9M111_SENSOR_CORE;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
pr_info("register 0x%x contains 0x%x%x\n",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
pr_info("Dumping the mt9m111 color pipeline registers\n");
|
|
value[1] = MT9M111_COLORPIPE;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
pr_info("register 0x%x contains 0x%x%x\n",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
pr_info("Dumping the mt9m111 camera control registers\n");
|
|
value[1] = MT9M111_CAMERA_CONTROL;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
pr_info("register 0x%x contains 0x%x%x\n",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
pr_info("mt9m111 register state dump complete\n");
|
|
}
|