/* * 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 * * 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 2550", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550") } }, { .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/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; } info("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; data = (data & 0xfe) | !val; 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; data = (data & 0xfe) | !val; 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); }