// SPDX-License-Identifier: GPL-2.0-only
/*
* 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
*/
#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, 0 x02, 0 x00},
{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0 x00, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_SENSOR_TYPE, 0 x0d, 0 x00},
{BRIDGE, M5602_XB_SENSOR_CTRL, 0 x00, 0 x00},
{BRIDGE, M5602_XB_ADC_CTRL, 0 xc0, 0 x00},
{BRIDGE, M5602_XB_SENSOR_TYPE, 0 x09, 0 x00},
{SENSOR, MT9M111_PAGE_MAP, 0 x00, 0 x00},
{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, 0 x05, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT, 0 x04, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_H, 0 x3e, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR_H, 0 x3e, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT_H, 0 x02, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_L, 0 xff, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR_L, 0 xff, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT_L, 0 x00, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0 x00, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR, 0 x07, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT, 0 x0b, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_H, 0 x06, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_L, 0 x00, 0 x00},
{BRIDGE, M5602_XB_I2C_CLK_DIV, 0 x0a, 0 x00}
};
static const unsigned char init_mt9m111[][4 ] = {
{BRIDGE, M5602_XB_MCU_CLK_DIV, 0 x02, 0 x00},
{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0 x00, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_ADC_CTRL, 0 xc0, 0 x00},
{BRIDGE, M5602_XB_SENSOR_TYPE, 0 x09, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_H, 0 x06, 0 x00},
{BRIDGE, M5602_XB_GPIO_EN_L, 0 x00, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT, 0 x04, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR_H, 0 x3e, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR_L, 0 xff, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT_H, 0 x02, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT_L, 0 x00, 0 x00},
{BRIDGE, M5602_XB_GPIO_DIR, 0 x07, 0 x00},
{BRIDGE, M5602_XB_GPIO_DAT, 0 x0b, 0 x00},
{BRIDGE, M5602_XB_I2C_CLK_DIV, 0 x0a, 0 x00},
{SENSOR, MT9M111_SC_RESET, 0 x00, 0 x29},
{SENSOR, MT9M111_PAGE_MAP, 0 x00, 0 x00},
{SENSOR, MT9M111_SC_RESET, 0 x00, 0 x08},
{SENSOR, MT9M111_PAGE_MAP, 0 x00, 0 x01},
{SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0 x00,
MT9M111_CP_OPERATING_MODE_CTL},
{SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0 x04, 0 x2a},
{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0 x00,
MT9M111_2D_DEFECT_CORRECTION_ENABLE},
{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0 x00,
MT9M111_2D_DEFECT_CORRECTION_ENABLE},
{SENSOR, MT9M111_CP_LUMA_OFFSET, 0 x00, 0 x00},
{SENSOR, MT9M111_CP_LUMA_CLIP, 0 xff, 0 x00},
{SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0 x14, 0 x00},
{SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0 x14, 0 x00},
{SENSOR, 0 xcd, 0 x00, 0 x0e},
{SENSOR, 0 xd0, 0 x00, 0 x40},
{SENSOR, MT9M111_PAGE_MAP, 0 x00, 0 x02},
{SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0 x00, 0 x00},
{SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0 xef, 0 x03},
{SENSOR, MT9M111_PAGE_MAP, 0 x00, 0 x00},
{SENSOR, 0 x33, 0 x03, 0 x49},
{SENSOR, 0 x34, 0 xc0, 0 x19},
{SENSOR, 0 x3f, 0 x20, 0 x20},
{SENSOR, 0 x40, 0 x20, 0 x20},
{SENSOR, 0 x5a, 0 xc0, 0 x0a},
{SENSOR, 0 x70, 0 x7b, 0 x0a},
{SENSOR, 0 x71, 0 xff, 0 x00},
{SENSOR, 0 x72, 0 x19, 0 x0e},
{SENSOR, 0 x73, 0 x18, 0 x0f},
{SENSOR, 0 x74, 0 x57, 0 x32},
{SENSOR, 0 x75, 0 x56, 0 x34},
{SENSOR, 0 x76, 0 x73, 0 x35},
{SENSOR, 0 x77, 0 x30, 0 x12},
{SENSOR, 0 x78, 0 x79, 0 x02},
{SENSOR, 0 x79, 0 x75, 0 x06},
{SENSOR, 0 x7a, 0 x77, 0 x0a},
{SENSOR, 0 x7b, 0 x78, 0 x09},
{SENSOR, 0 x7c, 0 x7d, 0 x06},
{SENSOR, 0 x7d, 0 x31, 0 x10},
{SENSOR, 0 x7e, 0 x00, 0 x7e},
{SENSOR, 0 x80, 0 x59, 0 x04},
{SENSOR, 0 x81, 0 x59, 0 x04},
{SENSOR, 0 x82, 0 x57, 0 x0a},
{SENSOR, 0 x83, 0 x58, 0 x0b},
{SENSOR, 0 x84, 0 x47, 0 x0c},
{SENSOR, 0 x85, 0 x48, 0 x0e},
{SENSOR, 0 x86, 0 x5b, 0 x02},
{SENSOR, 0 x87, 0 x00, 0 x5c},
{SENSOR, MT9M111_CONTEXT_CONTROL, 0 x00, MT9M111_SEL_CONTEXT_B},
{SENSOR, 0 x60, 0 x00, 0 x80},
{SENSOR, 0 x61, 0 x00, 0 x00},
{SENSOR, 0 x62, 0 x00, 0 x00},
{SENSOR, 0 x63, 0 x00, 0 x00},
{SENSOR, 0 x64, 0 x00, 0 x00},
{SENSOR, MT9M111_SC_ROWSTART, 0 x00, 0 x0d}, /* 13 */
{SENSOR, MT9M111_SC_COLSTART, 0 x00, 0 x12}, /* 18 */
{SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0 x04, 0 x00}, /* 1024 */
{SENSOR, MT9M111_SC_WINDOW_WIDTH, 0 x05, 0 x10}, /* 1296 */
{SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0 x01, 0 x60}, /* 352 */
{SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0 x00, 0 x11}, /* 17 */
{SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0 x01, 0 x60}, /* 352 */
{SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0 x00, 0 x11}, /* 17 */
{SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0 x01, 0 x0f}, /* 271 */
{SENSOR, 0 x30, 0 x04, 0 x00},
/* Set number of blank rows chosen to 400 */
{SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0 x01, 0 x90},
};
static const unsigned char start_mt9m111[][4 ] = {
{BRIDGE, M5602_XB_SEN_CLK_DIV, 0 x06, 0 x00},
{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0 xb0, 0 x00},
{BRIDGE, M5602_XB_ADC_CTRL, 0 xc0, 0 x00},
{BRIDGE, M5602_XB_SENSOR_TYPE, 0 x09, 0 x00},
{BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0 x81, 0 x00},
{BRIDGE, M5602_XB_PIX_OF_LINE_H, 0 x82, 0 x00},
{BRIDGE, M5602_XB_SIG_INI, 0 x01, 0 x00},
{BRIDGE, M5602_XB_VSYNC_PARA, 0 x00, 0 x00},
{BRIDGE, M5602_XB_VSYNC_PARA, 0 x00, 0 x00},
{BRIDGE, M5602_XB_VSYNC_PARA, 0 x00, 0 x00},
{BRIDGE, M5602_XB_VSYNC_PARA, 0 x00, 0 x00},
};
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 = 0 x7ff,
.step = 1 ,
.def = MT9M111_GREEN_GAIN_DEFAULT,
.flags = V4L2_CTRL_FLAG_SLIDER,
};
int mt9m111_probe(struct sd *sd)
{
u8 data[2 ] = {0 x00, 0 x00};
int i, err;
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;
}
gspca_dbg(gspca_dev, D_PROBE, "Probing for a mt9m111 sensor\n" );
/* Do the preinit */
for (i = 0 ; i < ARRAY_SIZE(preinit_mt9m111); i++) {
if (preinit_mt9m111[i][0 ] == BRIDGE) {
err = 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 ];
err = m5602_write_sensor(sd,
preinit_mt9m111[i][1 ], data, 2 );
}
if (err < 0 )
return err;
}
if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2 ))
return -ENODEV;
if ((data[0 ] == 0 x14) && (data[1 ] == 0 x3a)) {
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 , 0 x7ff, 1 ,
MT9M111_RED_GAIN_DEFAULT);
sd->blue_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops,
V4L2_CID_BLUE_BALANCE, 0 , 0 x7ff, 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 ) & 0 xff);
if (err < 0 )
return err;
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0 xff));
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 ) & 0 xff);
if (err < 0 )
return err;
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, width & 0 xff);
if (err < 0 )
return err;
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0 );
if (err < 0 )
return err;
switch (width) {
case 640 :
gspca_dbg(gspca_dev, D_CONF, "Configuring camera for VGA mode\n" );
break ;
case 320 :
gspca_dbg(gspca_dev, D_CONF, "Configuring camera for QVGA mode\n" );
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 ] = {0 x00, 0 x00};
struct sd *sd = (struct sd *) gspca_dev;
int hflip;
int vflip;
gspca_dbg(gspca_dev, D_CONF, "Set hvflip to %d %d\n" ,
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 ] & 0 xfd) | ((val & 0 x01) << 1 ));
err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2 );
gspca_dbg(gspca_dev, D_CONF, "Set auto white balance %d\n" , val);
return err;
}
static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
{
int err, tmp;
u8 data[2 ] = {0 x00, 0 x00};
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 & 0 xff);
data[0 ] = (tmp & 0 xff00) >> 8 ;
gspca_dbg(gspca_dev, D_CONF, "tmp=%d, data[1]=%d, data[0]=%d\n" , 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 & 0 xff);
data[0 ] = (val & 0 xff00) >> 8 ;
gspca_dbg(gspca_dev, D_CONF, "Set green balance %d\n" , 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 & 0 xff);
data[0 ] = (val & 0 xff00) >> 8 ;
gspca_dbg(gspca_dev, D_CONF, "Set blue balance %d\n" , 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 & 0 xff);
data[0 ] = (val & 0 xff00) >> 8 ;
gspca_dbg(gspca_dev, D_CONF, "Set red balance %d\n" , 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 ] = {0 x00, 0 x00};
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 < 0 xff; 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 < 0 xff; 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 < 0 xff; 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" );
}
Messung V0.5 in Prozent C=94 H=94 G=93
¤ Dauer der Verarbeitung: 0.2 Sekunden
(vorverarbeitet am 2026-06-07)
¤
*© Formatika GbR, Deutschland