| /* |
| * Driver for the s5k4aa 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_s5k4aa.h" |
| |
| static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val); |
| static int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val); |
| static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val); |
| static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); |
| static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val); |
| |
| static |
| const |
| struct dmi_system_id s5k4aa_vflip_dmi_table[] = { |
| { |
| .ident = "BRUNEINIT", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"), |
| DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001") |
| } |
| }, { |
| .ident = "Fujitsu-Siemens Amilo Xa 2528", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528") |
| } |
| }, { |
| .ident = "Fujitsu-Siemens Amilo Xi 2428", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428") |
| } |
| }, { |
| .ident = "Fujitsu-Siemens Amilo Xi 2528", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528") |
| } |
| }, { |
| .ident = "Fujitsu-Siemens Amilo Xi 2550", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550") |
| } |
| }, { |
| .ident = "Fujitsu-Siemens Amilo Pa 2548", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548") |
| } |
| }, { |
| .ident = "MSI GX700", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), |
| DMI_MATCH(DMI_BIOS_DATE, "12/02/2008") |
| } |
| }, { |
| .ident = "MSI GX700", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), |
| DMI_MATCH(DMI_BIOS_DATE, "07/26/2007") |
| } |
| }, { |
| .ident = "MSI GX700", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), |
| DMI_MATCH(DMI_BIOS_DATE, "07/19/2007") |
| } |
| }, { |
| .ident = "MSI GX700/GX705/EX700", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700") |
| } |
| }, { |
| .ident = "MSI L735", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X") |
| } |
| }, { |
| .ident = "Lenovo Y300", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "Y300") |
| } |
| }, |
| { } |
| }; |
| |
| static struct v4l2_pix_format s5k4aa_modes[] = { |
| { |
| 640, |
| 480, |
| V4L2_PIX_FMT_SBGGR8, |
| V4L2_FIELD_NONE, |
| .sizeimage = |
| 640 * 480, |
| .bytesperline = 640, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 0 |
| }, |
| { |
| 1280, |
| 1024, |
| V4L2_PIX_FMT_SBGGR8, |
| V4L2_FIELD_NONE, |
| .sizeimage = |
| 1280 * 1024, |
| .bytesperline = 1280, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 0 |
| } |
| }; |
| |
| static const struct ctrl s5k4aa_ctrls[] = { |
| #define VFLIP_IDX 0 |
| { |
| { |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "vertical flip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0 |
| }, |
| .set = s5k4aa_set_vflip, |
| .get = s5k4aa_get_vflip |
| }, |
| #define HFLIP_IDX 1 |
| { |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "horizontal flip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 0 |
| }, |
| .set = s5k4aa_set_hflip, |
| .get = s5k4aa_get_hflip |
| }, |
| #define GAIN_IDX 2 |
| { |
| { |
| .id = V4L2_CID_GAIN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Gain", |
| .minimum = 0, |
| .maximum = 127, |
| .step = 1, |
| .default_value = S5K4AA_DEFAULT_GAIN, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = s5k4aa_set_gain, |
| .get = s5k4aa_get_gain |
| }, |
| #define EXPOSURE_IDX 3 |
| { |
| { |
| .id = V4L2_CID_EXPOSURE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Exposure", |
| .minimum = 13, |
| .maximum = 0xfff, |
| .step = 1, |
| .default_value = 0x100, |
| .flags = V4L2_CTRL_FLAG_SLIDER |
| }, |
| .set = s5k4aa_set_exposure, |
| .get = s5k4aa_get_exposure |
| }, |
| #define NOISE_SUPP_IDX 4 |
| { |
| { |
| .id = V4L2_CID_PRIVATE_BASE, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Noise suppression (smoothing)", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| .default_value = 1, |
| }, |
| .set = s5k4aa_set_noise, |
| .get = s5k4aa_get_noise |
| }, |
| #define BRIGHTNESS_IDX 5 |
| { |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 0x1f, |
| .step = 1, |
| .default_value = S5K4AA_DEFAULT_BRIGHTNESS, |
| }, |
| .set = s5k4aa_set_brightness, |
| .get = s5k4aa_get_brightness |
| }, |
| |
| }; |
| |
| static void s5k4aa_dump_registers(struct sd *sd); |
| |
| int s5k4aa_probe(struct sd *sd) |
| { |
| u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75}; |
| int i, err = 0; |
| s32 *sensor_settings; |
| |
| if (force_sensor) { |
| if (force_sensor == S5K4AA_SENSOR) { |
| info("Forcing a %s sensor", s5k4aa.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 s5k4aa sensor"); |
| |
| /* Preinit the sensor */ |
| for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) { |
| u8 data[2] = {0x00, 0x00}; |
| |
| switch (preinit_s5k4aa[i][0]) { |
| case BRIDGE: |
| err = m5602_write_bridge(sd, |
| preinit_s5k4aa[i][1], |
| preinit_s5k4aa[i][2]); |
| break; |
| |
| case SENSOR: |
| data[0] = preinit_s5k4aa[i][2]; |
| err = m5602_write_sensor(sd, |
| preinit_s5k4aa[i][1], |
| data, 1); |
| break; |
| |
| case SENSOR_LONG: |
| data[0] = preinit_s5k4aa[i][2]; |
| data[1] = preinit_s5k4aa[i][3]; |
| err = m5602_write_sensor(sd, |
| preinit_s5k4aa[i][1], |
| data, 2); |
| break; |
| default: |
| info("Invalid stream command, exiting init"); |
| return -EINVAL; |
| } |
| } |
| |
| /* Test some registers, but we don't know their exact meaning yet */ |
| if (m5602_read_sensor(sd, 0x00, prod_id, 2)) |
| return -ENODEV; |
| if (m5602_read_sensor(sd, 0x02, prod_id+2, 2)) |
| return -ENODEV; |
| if (m5602_read_sensor(sd, 0x04, prod_id+4, 2)) |
| return -ENODEV; |
| |
| if (memcmp(prod_id, expected_prod_id, sizeof(prod_id))) |
| return -ENODEV; |
| else |
| info("Detected a s5k4aa sensor"); |
| |
| sensor_found: |
| sensor_settings = kmalloc( |
| ARRAY_SIZE(s5k4aa_ctrls) * sizeof(s32), GFP_KERNEL); |
| if (!sensor_settings) |
| return -ENOMEM; |
| |
| sd->gspca_dev.cam.cam_mode = s5k4aa_modes; |
| sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes); |
| sd->desc->ctrls = s5k4aa_ctrls; |
| sd->desc->nctrls = ARRAY_SIZE(s5k4aa_ctrls); |
| |
| for (i = 0; i < ARRAY_SIZE(s5k4aa_ctrls); i++) |
| sensor_settings[i] = s5k4aa_ctrls[i].qctrl.default_value; |
| sd->sensor_priv = sensor_settings; |
| |
| return 0; |
| } |
| |
| int s5k4aa_start(struct sd *sd) |
| { |
| int i, err = 0; |
| u8 data[2]; |
| struct cam *cam = &sd->gspca_dev.cam; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) { |
| case 1280: |
| PDEBUG(D_V4L2, "Configuring camera for SXGA mode"); |
| |
| for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) { |
| switch (SXGA_s5k4aa[i][0]) { |
| case BRIDGE: |
| err = m5602_write_bridge(sd, |
| SXGA_s5k4aa[i][1], |
| SXGA_s5k4aa[i][2]); |
| break; |
| |
| case SENSOR: |
| data[0] = SXGA_s5k4aa[i][2]; |
| err = m5602_write_sensor(sd, |
| SXGA_s5k4aa[i][1], |
| data, 1); |
| break; |
| |
| case SENSOR_LONG: |
| data[0] = SXGA_s5k4aa[i][2]; |
| data[1] = SXGA_s5k4aa[i][3]; |
| err = m5602_write_sensor(sd, |
| SXGA_s5k4aa[i][1], |
| data, 2); |
| break; |
| |
| default: |
| err("Invalid stream command, exiting init"); |
| return -EINVAL; |
| } |
| } |
| err = s5k4aa_set_noise(&sd->gspca_dev, 0); |
| if (err < 0) |
| return err; |
| break; |
| |
| case 640: |
| PDEBUG(D_V4L2, "Configuring camera for VGA mode"); |
| |
| for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) { |
| switch (VGA_s5k4aa[i][0]) { |
| case BRIDGE: |
| err = m5602_write_bridge(sd, |
| VGA_s5k4aa[i][1], |
| VGA_s5k4aa[i][2]); |
| break; |
| |
| case SENSOR: |
| data[0] = VGA_s5k4aa[i][2]; |
| err = m5602_write_sensor(sd, |
| VGA_s5k4aa[i][1], |
| data, 1); |
| break; |
| |
| case SENSOR_LONG: |
| data[0] = VGA_s5k4aa[i][2]; |
| data[1] = VGA_s5k4aa[i][3]; |
| err = m5602_write_sensor(sd, |
| VGA_s5k4aa[i][1], |
| data, 2); |
| break; |
| |
| default: |
| err("Invalid stream command, exiting init"); |
| return -EINVAL; |
| } |
| } |
| err = s5k4aa_set_noise(&sd->gspca_dev, 1); |
| if (err < 0) |
| return err; |
| break; |
| } |
| if (err < 0) |
| return err; |
| |
| err = s5k4aa_set_exposure(&sd->gspca_dev, |
| sensor_settings[EXPOSURE_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = s5k4aa_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = s5k4aa_set_brightness(&sd->gspca_dev, |
| sensor_settings[BRIGHTNESS_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]); |
| if (err < 0) |
| return err; |
| |
| err = s5k4aa_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); |
| if (err < 0) |
| return err; |
| |
| return s5k4aa_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); |
| } |
| |
| int s5k4aa_init(struct sd *sd) |
| { |
| int i, err = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) { |
| u8 data[2] = {0x00, 0x00}; |
| |
| switch (init_s5k4aa[i][0]) { |
| case BRIDGE: |
| err = m5602_write_bridge(sd, |
| init_s5k4aa[i][1], |
| init_s5k4aa[i][2]); |
| break; |
| |
| case SENSOR: |
| data[0] = init_s5k4aa[i][2]; |
| err = m5602_write_sensor(sd, |
| init_s5k4aa[i][1], data, 1); |
| break; |
| |
| case SENSOR_LONG: |
| data[0] = init_s5k4aa[i][2]; |
| data[1] = init_s5k4aa[i][3]; |
| err = m5602_write_sensor(sd, |
| init_s5k4aa[i][1], data, 2); |
| break; |
| default: |
| info("Invalid stream command, exiting init"); |
| return -EINVAL; |
| } |
| } |
| |
| if (dump_sensor) |
| s5k4aa_dump_registers(sd); |
| |
| return err; |
| } |
| |
| static int s5k4aa_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, "Read exposure %d", *val); |
| |
| return 0; |
| } |
| |
| static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[EXPOSURE_IDX] = val; |
| PDEBUG(D_V4L2, "Set exposure to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| data = (val >> 8) & 0xff; |
| err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1); |
| if (err < 0) |
| return err; |
| data = val & 0xff; |
| err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1); |
| |
| return err; |
| } |
| |
| static int s5k4aa_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 vertical flip %d", *val); |
| |
| return 0; |
| } |
| |
| static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[VFLIP_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set vertical flip to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| |
| err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); |
| if (err < 0) |
| return err; |
| |
| if (dmi_check_system(s5k4aa_vflip_dmi_table)) |
| val = !val; |
| |
| data = ((data & ~S5K4AA_RM_V_FLIP) | ((val & 0x01) << 7)); |
| err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); |
| if (err < 0) |
| return err; |
| |
| err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); |
| if (err < 0) |
| return err; |
| if (val) |
| data &= 0xfe; |
| else |
| data |= 0x01; |
| err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); |
| return err; |
| } |
| |
| static int s5k4aa_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 horizontal flip %d", *val); |
| |
| return 0; |
| } |
| |
| static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[HFLIP_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set horizontal flip to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| |
| err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); |
| if (err < 0) |
| return err; |
| |
| if (dmi_check_system(s5k4aa_vflip_dmi_table)) |
| val = !val; |
| |
| data = ((data & ~S5K4AA_RM_H_FLIP) | ((val & 0x01) << 6)); |
| err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); |
| if (err < 0) |
| return err; |
| |
| err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); |
| if (err < 0) |
| return err; |
| if (val) |
| data &= 0xfe; |
| else |
| data |= 0x01; |
| err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); |
| return err; |
| } |
| |
| static int s5k4aa_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 gain %d", *val); |
| return 0; |
| } |
| |
| static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[GAIN_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set gain to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = val & 0xff; |
| err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1); |
| |
| return err; |
| } |
| |
| static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[BRIGHTNESS_IDX]; |
| PDEBUG(D_V4L2, "Read brightness %d", *val); |
| return 0; |
| } |
| |
| static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[BRIGHTNESS_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set brightness to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = val & 0xff; |
| return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1); |
| } |
| |
| static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| |
| *val = sensor_settings[NOISE_SUPP_IDX]; |
| PDEBUG(D_V4L2, "Read noise %d", *val); |
| return 0; |
| } |
| |
| static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| s32 *sensor_settings = sd->sensor_priv; |
| u8 data = S5K4AA_PAGE_MAP_2; |
| int err; |
| |
| sensor_settings[NOISE_SUPP_IDX] = val; |
| |
| PDEBUG(D_V4L2, "Set noise to %d", val); |
| err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); |
| if (err < 0) |
| return err; |
| |
| data = val & 0x01; |
| return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1); |
| } |
| |
| void s5k4aa_disconnect(struct sd *sd) |
| { |
| sd->sensor = NULL; |
| kfree(sd->sensor_priv); |
| } |
| |
| static void s5k4aa_dump_registers(struct sd *sd) |
| { |
| int address; |
| u8 page, old_page; |
| m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); |
| for (page = 0; page < 16; page++) { |
| m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); |
| info("Dumping the s5k4aa register state for page 0x%x", page); |
| for (address = 0; address <= 0xff; address++) { |
| u8 value = 0; |
| m5602_read_sensor(sd, address, &value, 1); |
| info("register 0x%x contains 0x%x", |
| address, value); |
| } |
| } |
| info("s5k4aa register state dump complete"); |
| |
| for (page = 0; page < 16; page++) { |
| m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); |
| info("Probing for which registers that are " |
| "read/write for page 0x%x", page); |
| for (address = 0; address <= 0xff; address++) { |
| u8 old_value, ctrl_value, test_value = 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) |
| 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); |
| } |
| } |
| info("Read/write register probing complete"); |
| m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); |
| } |
