| /* |
| * Driver for the po1030 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. |
| * |
| */ |
| |
| #include "m5602_po1030.h" |
| |
| static int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev, |
| __s32 val); |
| static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev, |
| __s32 *val); |
| static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev, |
| __s32 val); |
| static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev, |
| __s32 *val); |
| |
| static struct v4l2_pix_format po1030_modes[] = { |
| { |
| 640, |
| 480, |
| V4L2_PIX_FMT_SBGGR8, |
| V4L2_FIELD_NONE, |
| .sizeimage = 640 * 480, |
| .bytesperline = 640, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 2 |
| } |
| }; |
| |
| static const struct ctrl po1030_ctrls[] = { |
| #define GAIN_IDX 0 |
| { |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "gain", |
| .minimum = 0x00, |
| .maximum = 0x4f, |
| .step = 0x1, |
| .default_value = PO1030_GLOBAL_GAIN_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = po1030_set_gain, |
| .get = po1030_get_gain |
| }, |
| #define EXPOSURE_IDX 1 |
| { |
| { |
| .id = V4L2_CID_EXPOSURE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "exposure", |
| .minimum = 0x00, |
| .maximum = 0x02ff, |
| .step = 0x1, |
| .default_value = PO1030_EXPOSURE_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = po1030_set_exposure, |
| .get = po1030_get_exposure |
| }, |
| #define RED_BALANCE_IDX 2 |
| { |
| { |
| .id = V4L2_CID_RED_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "red balance", |
| .minimum = 0x00, |
| .maximum = 0xff, |
| .step = 0x1, |
| .default_value = PO1030_RED_GAIN_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = po1030_set_red_balance, |
| .get = po1030_get_red_balance |
| }, |
| #define BLUE_BALANCE_IDX 3 |
| { |
| { |
| .id = V4L2_CID_BLUE_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "blue balance", |
| .minimum = 0x00, |
| .maximum = 0xff, |
| .step = 0x1, |
| .default_value = PO1030_BLUE_GAIN_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = po1030_set_blue_balance, |
| .get = po1030_get_blue_balance |
| }, |
| #define HFLIP_IDX 4 |
| { |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "horizontal flip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set = po1030_set_hflip, |
| .get = po1030_get_hflip |
| }, |
| #define VFLIP_IDX 5 |
| { |
| { |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "vertical flip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set = po1030_set_vflip, |
| .get = po1030_get_vflip |
| }, |
| #define AUTO_WHITE_BALANCE_IDX 6 |
| { |
| { |
| .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "auto white balance", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set = po1030_set_auto_white_balance, |
| .get = po1030_get_auto_white_balance |
| }, |
| #define AUTO_EXPOSURE_IDX 7 |
| { |
| { |
| .id = V4L2_CID_EXPOSURE_AUTO, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "auto exposure", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0, |
| }, |
| .set = po1030_set_auto_exposure, |
| .get = po1030_get_auto_exposure |
| }, |
| #define GREEN_BALANCE_IDX 8 |
| { |
| { |
| .id = M5602_V4L2_CID_GREEN_BALANCE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "green balance", |
| .minimum = 0x00, |
| .maximum = 0xff, |
| .step = 0x1, |
| .default_value = PO1030_GREEN_GAIN_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = po1030_set_green_balance, |
| .get = po1030_get_green_balance |
| }, |
| }; |
| |
| static void po1030_dump_registers(struct sd *sd); |
| |
| int po1030_probe(struct sd *sd) |
| { |
| u8 dev_id_h = 0, i; |
| s32 *sensor_settings; |
| |
| if (force_sensor) { |
| if (force_sensor == PO1030_SENSOR) { |
| info("Forcing a %s sensor", po1030.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 po1030 sensor"); |
| |
| /* Run the pre-init to actually probe the unit */ |
| for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) { |
| u8 data = preinit_po1030[i][2]; |
| if (preinit_po1030[i][0] == SENSOR) |
| m5602_write_sensor(sd, |
| preinit_po1030[i][1], &data, 1); |
| else |
| m5602_write_bridge(sd, preinit_po1030[i][1], data); |
| } |
| |
| if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1)) |
| return -ENODEV; |
| |
| if (dev_id_h == 0x30) { |
| info("Detected a po1030 sensor"); |
| goto sensor_found; |
| } |
| return -ENODEV; |
| |
| sensor_found: |
| sensor_settings = kmalloc( |
| ARRAY_SIZE(po1030_ctrls) * sizeof(s32), GFP_KERNEL); |
| if (!sensor_settings) |
| return -ENOMEM; |
| |
| sd->gspca_dev.cam.cam_mode = po1030_modes; |
| sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes); |
| sd->desc->ctrls = po1030_ctrls; |
| sd->desc->nctrls = ARRAY_SIZE(po1030_ctrls); |
| |
| for (i = 0; i < ARRAY_SIZE(po1030_ctrls); i++) |
| sensor_settings[i] = po1030_ctrls[i].qctrl.default_value; |
| sd->sensor_priv = sensor_settings; |
| |
| return 0; |
| } |
| |
| int po1030_init(struct sd *sd) |
| { |
| s32 *sensor_settings = sd->sensor_priv; |
| int i, err = 0; |
| |
| /* Init the sensor */ |
| for (i = 0; i < ARRAY_SIZE(init_po1030) && !err; i++) { |
| u8 data[2] = {0x00, 0x00}; |
| |
| switch (init_po1030[i][0]) { |
| case BRIDGE: |
| err = m5602_write_bridge(sd, |
| init_po1030[i][1], |
| init_po1030[i][2]); |
| break; |
| |
| case SENSOR: |
| data[0] = init_po1030[i][2]; |
| err = m5602_write_sensor(sd, |
| init_po1030[i][1], data, 1); |
| break; |
| |
| default: |
| info("Invalid stream command, exiting init"); |
| return -EINVAL; |
| } |
| } |
| if (err < 0) |
| return err; |
| |
| if (dump_sensor) |
| po1030_dump_registers(sd); |
| |
| err = po1030_set_exposure(&sd->gspca_dev, |
| sensor_settings[EXPOSURE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_red_balance(&sd->gspca_dev, |
| sensor_settings[RED_BALANCE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_blue_balance(&sd->gspca_dev, |
| sensor_settings[BLUE_BALANCE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_green_balance(&sd->gspca_dev, |
| sensor_settings[GREEN_BALANCE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_auto_white_balance(&sd->gspca_dev, |
| sensor_settings[AUTO_WHITE_BALANCE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = po1030_set_auto_exposure(&sd->gspca_dev, |
| sensor_settings[AUTO_EXPOSURE_IDX]); |
| return err; |
| } |
| |
| int po1030_start(struct sd *sd) |
| { |
| struct cam *cam = &sd->gspca_dev.cam; |
| int i, err = 0; |
| int width = cam->cam_mode[sd->gspca_dev.curr_mode].width; |
| int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; |
| int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv; |
| u8 data; |
| |
| switch (width) { |
| case 320: |
| data = PO1030_SUBSAMPLING; |
| err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = ((width + 3) >> 8) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = (width + 3) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = ((height + 1) >> 8) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = (height + 1) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); |
| |
| height += 6; |
| width -= 1; |
| break; |
| |
| case 640: |
| data = 0; |
| err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = ((width + 7) >> 8) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = (width + 7) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = ((height + 3) >> 8) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = (height + 3) & 0xff; |
| err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); |
| |
| height += 12; |
| width -= 2; |
| break; |
| } |
| err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c); |
| if (err < 0) |
| return err; |
| |
| err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81); |
| if (err < 0) |
| return err; |
| |
| err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82); |
| if (err < 0) |
| return err; |
| |
| err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01); |
| if (err < 0) |
| return err; |
| |
| err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, |
| ((ver_offs >> 8) & 0xff)); |
| if (err < 0) |
| return err; |
| |
| err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 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_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); |
| |
| for (i = 0; i < 2 && !err; i++) |
| err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); |
| |
| 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); |
| return err; |
| } |
| |
| static int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[EXPOSURE_IDX]; |
| PDEBUG(D_V4L2, "Exposure read as %d", *val); |
| return 0; |
| } |
| |
| static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[EXPOSURE_IDX] = val; |
| PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff); |
| |
| i2c_data = ((val & 0xff00) >> 8); |
| PDEBUG(D_V4L2, "Set exposure to high byte to 0x%x", |
| i2c_data); |
| |
| err = m5602_write_sensor(sd, PO1030_INTEGLINES_H, |
| &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| i2c_data = (val & 0xff); |
| PDEBUG(D_V4L2, "Set exposure to low byte to 0x%x", |
| i2c_data); |
| err = m5602_write_sensor(sd, PO1030_INTEGLINES_M, |
| &i2c_data, 1); |
| |
| return err; |
| } |
| |
| static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[GAIN_IDX]; |
| PDEBUG(D_V4L2, "Read global gain %d", *val); |
| return 0; |
| } |
| |
| static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[GAIN_IDX] = val; |
| |
| i2c_data = val & 0xff; |
| PDEBUG(D_V4L2, "Set global gain to %d", i2c_data); |
| err = m5602_write_sensor(sd, PO1030_GLOBALGAIN, |
| &i2c_data, 1); |
| return err; |
| } |
| |
| static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[HFLIP_IDX]; |
| PDEBUG(D_V4L2, "Read hflip %d", *val); |
| |
| return 0; |
| } |
| |
| static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[HFLIP_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set hflip %d", val); |
| err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| i2c_data = (0x7f & i2c_data) | ((val & 0x01) << 7); |
| |
| err = m5602_write_sensor(sd, PO1030_CONTROL2, |
| &i2c_data, 1); |
| |
| return err; |
| } |
| |
| static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[VFLIP_IDX]; |
| PDEBUG(D_V4L2, "Read vflip %d", *val); |
| |
| return 0; |
| } |
| |
| static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[VFLIP_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set vflip %d", val); |
| err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| i2c_data = (i2c_data & 0xbf) | ((val & 0x01) << 6); |
| |
| err = m5602_write_sensor(sd, PO1030_CONTROL2, |
| &i2c_data, 1); |
| |
| return err; |
| } |
| |
| static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[RED_BALANCE_IDX]; |
| PDEBUG(D_V4L2, "Read red gain %d", *val); |
| return 0; |
| } |
| |
| static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[RED_BALANCE_IDX] = val; |
| |
| i2c_data = val & 0xff; |
| PDEBUG(D_V4L2, "Set red gain to %d", i2c_data); |
| err = m5602_write_sensor(sd, PO1030_RED_GAIN, |
| &i2c_data, 1); |
| return err; |
| } |
| |
| static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[BLUE_BALANCE_IDX]; |
| PDEBUG(D_V4L2, "Read blue gain %d", *val); |
| |
| return 0; |
| } |
| |
| static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[BLUE_BALANCE_IDX] = val; |
| |
| i2c_data = val & 0xff; |
| PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data); |
| err = m5602_write_sensor(sd, PO1030_BLUE_GAIN, |
| &i2c_data, 1); |
| |
| return err; |
| } |
| |
| static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[GREEN_BALANCE_IDX]; |
| PDEBUG(D_V4L2, "Read green gain %d", *val); |
| |
| return 0; |
| } |
| |
| static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[GREEN_BALANCE_IDX] = val; |
| i2c_data = val & 0xff; |
| PDEBUG(D_V4L2, "Set green gain to %d", i2c_data); |
| |
| err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN, |
| &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN, |
| &i2c_data, 1); |
| } |
| |
| static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev, |
| __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[AUTO_WHITE_BALANCE_IDX]; |
| PDEBUG(D_V4L2, "Auto white balancing is %d", *val); |
| |
| return 0; |
| } |
| |
| static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev, |
| __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[AUTO_WHITE_BALANCE_IDX] = val; |
| |
| err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| PDEBUG(D_V4L2, "Set auto white balance to %d", val); |
| i2c_data = (i2c_data & 0xfe) | (val & 0x01); |
| err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); |
| return err; |
| } |
| |
| static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev, |
| __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[AUTO_EXPOSURE_IDX]; |
| PDEBUG(D_V4L2, "Auto exposure is %d", *val); |
| return 0; |
| } |
| |
| static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev, |
| __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 i2c_data; |
| int err; |
| |
| sensor_settings[AUTO_EXPOSURE_IDX] = val; |
| err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); |
| if (err < 0) |
| return err; |
| |
| PDEBUG(D_V4L2, "Set auto exposure to %d", val); |
| i2c_data = (i2c_data & 0xfd) | ((val & 0x01) << 1); |
| return m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); |
| } |
| |
| void po1030_disconnect(struct sd *sd) |
| { |
| sd->sensor = NULL; |
| kfree(sd->sensor_priv); |
| } |
| |
| static void po1030_dump_registers(struct sd *sd) |
| { |
| int address; |
| u8 value = 0; |
| |
| info("Dumping the po1030 sensor core registers"); |
| for (address = 0; address < 0x7f; address++) { |
| m5602_read_sensor(sd, address, &value, 1); |
| info("register 0x%x contains 0x%x", |
| address, value); |
| } |
| |
| info("po1030 register state dump complete"); |
| |
| info("Probing for which registers that are read/write"); |
| for (address = 0; address < 0xff; address++) { |
| u8 old_value, ctrl_value; |
| u8 test_value[2] = {0xff, 0xff}; |
| |
| m5602_read_sensor(sd, address, &old_value, 1); |
| m5602_write_sensor(sd, address, test_value, 1); |
| m5602_read_sensor(sd, address, &ctrl_value, 1); |
| |
| if (ctrl_value == test_value[0]) |
| info("register 0x%x is writeable", address); |
| else |
| info("register 0x%x is read only", address); |
| |
| /* Restore original value */ |
| m5602_write_sensor(sd, address, &old_value, 1); |
| } |
| } |
