diff options
Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_mt9m111.c')
| -rw-r--r-- | drivers/media/usb/gspca/m5602/m5602_mt9m111.c | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_mt9m111.c b/drivers/media/usb/gspca/m5602/m5602_mt9m111.c new file mode 100644 index 0000000000..bf1af6ed91 --- /dev/null +++ b/drivers/media/usb/gspca/m5602/m5602_mt9m111.c @@ -0,0 +1,600 @@ +// 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, 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, 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] == 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: + 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] = {0x00, 0x00}; + 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] & 0xfd) | ((val & 0x01) << 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] = {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; + 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 & 0xff); + data[0] = (val & 0xff00) >> 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 & 0xff); + data[0] = (val & 0xff00) >> 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 & 0xff); + data[0] = (val & 0xff00) >> 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] = {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"); +} |