727 lines
17 KiB
C
727 lines
17 KiB
C
/*
|
|
* 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_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) {
|
|
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:
|
|
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:
|
|
pr_err("Invalid stream command, exiting init\n");
|
|
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:
|
|
pr_err("Invalid stream command, exiting init\n");
|
|
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:
|
|
pr_info("Invalid stream command, exiting init\n");
|
|
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);
|
|
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);
|
|
}
|