--- /dev/null
+/*
+ * 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.
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "m5602_s5k4aa.h"
+
+static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl);
+static void s5k4aa_dump_registers(struct sd *sd);
+
+static const struct v4l2_ctrl_ops s5k4aa_ctrl_ops = {
+ .s_ctrl = s5k4aa_s_ctrl,
+};
+
+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 = "Fujitsu-Siemens Amilo Pi 2530",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530")
+ }
+ }, {
+ .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
+ }
+};
+
+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};
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int i, err = 0;
+
+ if (force_sensor) {
+ if (force_sensor == S5K4AA_SENSOR) {
+ pr_info("Forcing a %s sensor\n", 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:
+ pr_info("Invalid stream command, exiting init\n");
+ 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
+ pr_info("Detected a s5k4aa sensor\n");
+
+sensor_found:
+ sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
+ sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
+
+ return 0;
+}
+
+int s5k4aa_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;
+
+ switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) {
+ case 1280:
+ PDEBUG(D_CONF, "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:
+ pr_err("Invalid stream command, exiting init\n");
+ return -EINVAL;
+ }
+ }
+ break;
+
+ case 640:
+ PDEBUG(D_CONF, "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:
+ pr_err("Invalid stream command, exiting init\n");
+ return -EINVAL;
+ }
+ }
+ break;
+ }
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+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:
+ pr_info("Invalid stream command, exiting init\n");
+ return -EINVAL;
+ }
+ }
+
+ if (dump_sensor)
+ s5k4aa_dump_registers(sd);
+
+ return err;
+}
+
+int s5k4aa_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, 6);
+
+ v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_BRIGHTNESS,
+ 0, 0x1f, 1, S5K4AA_DEFAULT_BRIGHTNESS);
+
+ v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_EXPOSURE,
+ 13, 0xfff, 1, 0x100);
+
+ v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_GAIN,
+ 0, 127, 1, S5K4AA_DEFAULT_GAIN);
+
+ v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_SHARPNESS,
+ 0, 1, 1, 1);
+
+ sd->hflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_HFLIP,
+ 0, 1, 1, 0);
+ sd->vflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_VFLIP,
+ 0, 1, 1, 0);
+
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
+ }
+
+ v4l2_ctrl_cluster(2, &sd->hflip);
+
+ return 0;
+}
+
+static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data = S5K4AA_PAGE_MAP_2;
+ int err;
+
+ PDEBUG(D_CONF, "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_set_hvflip(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data = S5K4AA_PAGE_MAP_2;
+ int err;
+ int hflip = sd->hflip->val;
+ int vflip = sd->vflip->val;
+
+ PDEBUG(D_CONF, "Set hvflip %d %d", hflip, vflip);
+ 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)) {
+ hflip = !hflip;
+ vflip = !vflip;
+ }
+
+ data = (data & 0x7f) | (vflip << 7) | (hflip << 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 (hflip)
+ data &= 0xfe;
+ else
+ data |= 0x01;
+ err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
+ if (err < 0)
+ return err;
+
+ err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
+ if (err < 0)
+ return err;
+ if (vflip)
+ data &= 0xfe;
+ else
+ data |= 0x01;
+ err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data = S5K4AA_PAGE_MAP_2;
+ int err;
+
+ PDEBUG(D_CONF, "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_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data = S5K4AA_PAGE_MAP_2;
+ int err;
+
+ PDEBUG(D_CONF, "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_set_noise(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data = S5K4AA_PAGE_MAP_2;
+ int err;
+
+ PDEBUG(D_CONF, "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);
+}
+
+static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ int err;
+
+ if (!gspca_dev->streaming)
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ err = s5k4aa_set_brightness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_EXPOSURE:
+ err = s5k4aa_set_exposure(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_GAIN:
+ err = s5k4aa_set_gain(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_SHARPNESS:
+ err = s5k4aa_set_noise(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_HFLIP:
+ err = s5k4aa_set_hvflip(gspca_dev);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err;
+}
+
+void s5k4aa_disconnect(struct sd *sd)
+{
+ sd->sensor = NULL;
+}
+
+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);
+ pr_info("Dumping the s5k4aa register state for page 0x%x\n",
+ page);
+ for (address = 0; address <= 0xff; address++) {
+ u8 value = 0;
+ m5602_read_sensor(sd, address, &value, 1);
+ pr_info("register 0x%x contains 0x%x\n",
+ address, value);
+ }
+ }
+ pr_info("s5k4aa register state dump complete\n");
+
+ for (page = 0; page < 16; page++) {
+ m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
+ pr_info("Probing for which registers that are read/write for page 0x%x\n",
+ 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)
+ pr_info("register 0x%x is writeable\n",
+ address);
+ else
+ pr_info("register 0x%x is read only\n",
+ address);
+
+ /* Restore original value */
+ m5602_write_sensor(sd, address, &old_value, 1);
+ }
+ }
+ pr_info("Read/write register probing complete\n");
+ m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
+}
Code Review / kvmfornfv.git / blobdiff