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提交 cac47f18 编写于 作者: A Andrzej Hajda 提交者： Mauro Carvalho Chehab
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[media] V4L: Add S5C73M3 camera driver 

Add driver for S5C73M3 image sensor. The driver exposes the sensor as
two subdevs: pure sensor and output interface. Two subdev architecture
supports interleaved UYVY/JPEG image format with separate frame size
for both sub-formats, there is a spearate pad for each sub-format.
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 6e83e6e2
隐藏空白更改
内联 并排
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drivers/media/i2c/Kconfig
浏览文件 @ cac47f18
......@@ -523,6 +523,13 @@ config VIDEO_S5K4ECGX
source "drivers/media/i2c/smiapp/Kconfig"
config VIDEO_S5C73M3
tristate "Samsung S5C73M3 sensor support"
depends on I2C && SPI && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
---help---
This is a V4L2 sensor-level driver for Samsung S5C73M3
8 Mpixel camera.
comment "Flash devices"
config VIDEO_ADP1653
......
drivers/media/i2c/Makefile
浏览文件 @ cac47f18
......@@ -59,6 +59,7 @@ obj-$(CONFIG_VIDEO_SR030PC30) += sr030pc30.o
obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o
obj-$(CONFIG_VIDEO_S5K6AA) += s5k6aa.o
obj-$(CONFIG_VIDEO_S5K4ECGX) += s5k4ecgx.o
obj-$(CONFIG_VIDEO_S5C73M3) += s5c73m3/
obj-$(CONFIG_VIDEO_ADP1653) += adp1653.o
obj-$(CONFIG_VIDEO_AS3645A) += as3645a.o
obj-$(CONFIG_VIDEO_SMIAPP_PLL) += smiapp-pll.o
......
drivers/media/i2c/s5c73m3/Makefile 0 → 100644
浏览文件 @ cac47f18
s5c73m3-objs := s5c73m3-core.o s5c73m3-spi.o s5c73m3-ctrls.o
obj-$(CONFIG_VIDEO_S5C73M3) += s5c73m3.o
drivers/media/i2c/s5c73m3/s5c73m3-core.c 0 → 100644
浏览文件 @ cac47f18
/*
* Samsung LSI S5C73M3 8M pixel camera driver
*
* Copyright (C) 2012, Samsung Electronics, Co., Ltd.
* Sylwester Nawrocki <s.nawrocki@samsung.com>
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/sizes.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/media.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/videodev2.h>
#include <media/media-entity.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-mediabus.h>
#include <media/s5c73m3.h>
#include "s5c73m3.h"
int s5c73m3_dbg;
module_param_named(debug, s5c73m3_dbg, int, 0644);
int boot_from_rom = 1;
module_param(boot_from_rom, int, 0644);
int update_fw;
module_param(update_fw, int, 0644);
#define S5C73M3_EMBEDDED_DATA_MAXLEN SZ_4K
static const char * const s5c73m3_supply_names[S5C73M3_MAX_SUPPLIES] = {
"vdd-int", /* Digital Core supply (1.2V), CAM_ISP_CORE_1.2V */
"vdda", /* Analog Core supply (1.2V), CAM_SENSOR_CORE_1.2V */
"vdd-reg", /* Regulator input supply (2.8V), CAM_SENSOR_A2.8V */
"vddio-host", /* Digital Host I/O power supply (1.8V...2.8V),
CAM_ISP_SENSOR_1.8V */
"vddio-cis", /* Digital CIS I/O power (1.2V...1.8V),
CAM_ISP_MIPI_1.2V */
"vdd-af", /* Lens, CAM_AF_2.8V */
};
static const struct s5c73m3_frame_size s5c73m3_isp_resolutions[] = {
{ 320, 240, COMM_CHG_MODE_YUV_320_240 },
{ 352, 288, COMM_CHG_MODE_YUV_352_288 },
{ 640, 480, COMM_CHG_MODE_YUV_640_480 },
{ 880, 720, COMM_CHG_MODE_YUV_880_720 },
{ 960, 720, COMM_CHG_MODE_YUV_960_720 },
{ 1008, 672, COMM_CHG_MODE_YUV_1008_672 },
{ 1184, 666, COMM_CHG_MODE_YUV_1184_666 },
{ 1280, 720, COMM_CHG_MODE_YUV_1280_720 },
{ 1536, 864, COMM_CHG_MODE_YUV_1536_864 },
{ 1600, 1200, COMM_CHG_MODE_YUV_1600_1200 },
{ 1632, 1224, COMM_CHG_MODE_YUV_1632_1224 },
{ 1920, 1080, COMM_CHG_MODE_YUV_1920_1080 },
{ 1920, 1440, COMM_CHG_MODE_YUV_1920_1440 },
{ 2304, 1296, COMM_CHG_MODE_YUV_2304_1296 },
{ 3264, 2448, COMM_CHG_MODE_YUV_3264_2448 },
};
static const struct s5c73m3_frame_size s5c73m3_jpeg_resolutions[] = {
{ 640, 480, COMM_CHG_MODE_JPEG_640_480 },
{ 800, 450, COMM_CHG_MODE_JPEG_800_450 },
{ 800, 600, COMM_CHG_MODE_JPEG_800_600 },
{ 1024, 768, COMM_CHG_MODE_JPEG_1024_768 },
{ 1280, 720, COMM_CHG_MODE_JPEG_1280_720 },
{ 1280, 960, COMM_CHG_MODE_JPEG_1280_960 },
{ 1600, 900, COMM_CHG_MODE_JPEG_1600_900 },
{ 1600, 1200, COMM_CHG_MODE_JPEG_1600_1200 },
{ 2048, 1152, COMM_CHG_MODE_JPEG_2048_1152 },
{ 2048, 1536, COMM_CHG_MODE_JPEG_2048_1536 },
{ 2560, 1440, COMM_CHG_MODE_JPEG_2560_1440 },
{ 2560, 1920, COMM_CHG_MODE_JPEG_2560_1920 },
{ 3264, 1836, COMM_CHG_MODE_JPEG_3264_1836 },
{ 3264, 2176, COMM_CHG_MODE_JPEG_3264_2176 },
{ 3264, 2448, COMM_CHG_MODE_JPEG_3264_2448 },
};
static const struct s5c73m3_frame_size * const s5c73m3_resolutions[] = {
[RES_ISP] = s5c73m3_isp_resolutions,
[RES_JPEG] = s5c73m3_jpeg_resolutions
};
static const int s5c73m3_resolutions_len[] = {
[RES_ISP] = ARRAY_SIZE(s5c73m3_isp_resolutions),
[RES_JPEG] = ARRAY_SIZE(s5c73m3_jpeg_resolutions)
};
static const struct s5c73m3_interval s5c73m3_intervals[] = {
{ COMM_FRAME_RATE_FIXED_7FPS, {142857, 1000000}, {3264, 2448} },
{ COMM_FRAME_RATE_FIXED_15FPS, {66667, 1000000}, {3264, 2448} },
{ COMM_FRAME_RATE_FIXED_20FPS, {50000, 1000000}, {2304, 1296} },
{ COMM_FRAME_RATE_FIXED_30FPS, {33333, 1000000}, {2304, 1296} },
};
#define S5C73M3_DEFAULT_FRAME_INTERVAL 3 /* 30 fps */
static void s5c73m3_fill_mbus_fmt(struct v4l2_mbus_framefmt *mf,
const struct s5c73m3_frame_size *fs,
u32 code)
{
mf->width = fs->width;
mf->height = fs->height;
mf->code = code;
mf->colorspace = V4L2_COLORSPACE_JPEG;
mf->field = V4L2_FIELD_NONE;
}
static int s5c73m3_i2c_write(struct i2c_client *client, u16 addr, u16 data)
{
u8 buf[4] = { addr >> 8, addr & 0xff, data >> 8, data & 0xff };
int ret = i2c_master_send(client, buf, sizeof(buf));
v4l_dbg(4, s5c73m3_dbg, client, "%s: addr 0x%04x, data 0x%04x\n",
__func__, addr, data);
if (ret == 4)
return 0;
return ret < 0 ? ret : -EREMOTEIO;
}
static int s5c73m3_i2c_read(struct i2c_client *client, u16 addr, u16 *data)
{
int ret;
u8 rbuf[2], wbuf[2] = { addr >> 8, addr & 0xff };
struct i2c_msg msg[2] = {
{
.addr = client->addr,
.flags = 0,
.len = sizeof(wbuf),
.buf = wbuf
}, {
.addr = client->addr,
.flags = I2C_M_RD,
.len = sizeof(rbuf),
.buf = rbuf
}
};
/*
* Issue repeated START after writing 2 address bytes and
* just one STOP only after reading the data bytes.
*/
ret = i2c_transfer(client->adapter, msg, 2);
if (ret == 2) {
*data = be16_to_cpup((u16 *)rbuf);
v4l2_dbg(4, s5c73m3_dbg, client,
"%s: addr: 0x%04x, data: 0x%04x\n",
__func__, addr, *data);
return 0;
}
v4l2_err(client, "I2C read failed: addr: %04x, (%d)\n", addr, ret);
return ret >= 0 ? -EREMOTEIO : ret;
}
int s5c73m3_write(struct s5c73m3 *state, u32 addr, u16 data)
{
struct i2c_client *client = state->i2c_client;
int ret;
if ((addr ^ state->i2c_write_address) & 0xffff0000) {
ret = s5c73m3_i2c_write(client, REG_CMDWR_ADDRH, addr >> 16);
if (ret < 0) {
state->i2c_write_address = 0;
return ret;
}
}
if ((addr ^ state->i2c_write_address) & 0xffff) {
ret = s5c73m3_i2c_write(client, REG_CMDWR_ADDRL, addr & 0xffff);
if (ret < 0) {
state->i2c_write_address = 0;
return ret;
}
}
state->i2c_write_address = addr;
ret = s5c73m3_i2c_write(client, REG_CMDBUF_ADDR, data);
if (ret < 0)
return ret;
state->i2c_write_address += 2;
return ret;
}
int s5c73m3_read(struct s5c73m3 *state, u32 addr, u16 *data)
{
struct i2c_client *client = state->i2c_client;
int ret;
if ((addr ^ state->i2c_read_address) & 0xffff0000) {
ret = s5c73m3_i2c_write(client, REG_CMDRD_ADDRH, addr >> 16);
if (ret < 0) {
state->i2c_read_address = 0;
return ret;
}
}
if ((addr ^ state->i2c_read_address) & 0xffff) {
ret = s5c73m3_i2c_write(client, REG_CMDRD_ADDRL, addr & 0xffff);
if (ret < 0) {
state->i2c_read_address = 0;
return ret;
}
}
state->i2c_read_address = addr;
ret = s5c73m3_i2c_read(client, REG_CMDBUF_ADDR, data);
if (ret < 0)
return ret;
state->i2c_read_address += 2;
return ret;
}
static int s5c73m3_check_status(struct s5c73m3 *state, unsigned int value)
{
unsigned long start = jiffies;
unsigned long end = start + msecs_to_jiffies(2000);
int ret = 0;
u16 status;
int count = 0;
while (time_is_after_jiffies(end)) {
ret = s5c73m3_read(state, REG_STATUS, &status);
if (ret < 0 || status == value)
break;
usleep_range(500, 1000);
++count;
}
if (count > 0)
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"status check took %dms\n",
jiffies_to_msecs(jiffies - start));
if (ret == 0 && status != value) {
u16 i2c_status = 0;
u16 i2c_seq_status = 0;
s5c73m3_read(state, REG_I2C_STATUS, &i2c_status);
s5c73m3_read(state, REG_I2C_SEQ_STATUS, &i2c_seq_status);
v4l2_err(&state->sensor_sd,
"wrong status %#x, expected: %#x, i2c_status: %#x/%#x\n",
status, value, i2c_status, i2c_seq_status);
return -ETIMEDOUT;
}
return ret;
}
int s5c73m3_isp_command(struct s5c73m3 *state, u16 command, u16 data)
{
int ret;
ret = s5c73m3_check_status(state, REG_STATUS_ISP_COMMAND_COMPLETED);
if (ret < 0)
return ret;
ret = s5c73m3_write(state, 0x00095000, command);
if (ret < 0)
return ret;
ret = s5c73m3_write(state, 0x00095002, data);
if (ret < 0)
return ret;
return s5c73m3_write(state, REG_STATUS, 0x0001);
}
int s5c73m3_isp_comm_result(struct s5c73m3 *state, u16 command, u16 *data)
{
return s5c73m3_read(state, COMM_RESULT_OFFSET + command, data);
}
static int s5c73m3_set_af_softlanding(struct s5c73m3 *state)
{
unsigned long start = jiffies;
u16 af_softlanding;
int count = 0;
int ret;
const char *msg;
ret = s5c73m3_isp_command(state, COMM_AF_SOFTLANDING,
COMM_AF_SOFTLANDING_ON);
if (ret < 0) {
v4l2_info(&state->sensor_sd, "AF soft-landing failed\n");
return ret;
}
for (;;) {
ret = s5c73m3_isp_comm_result(state, COMM_AF_SOFTLANDING,
&af_softlanding);
if (ret < 0) {
msg = "failed";
break;
}
if (af_softlanding == COMM_AF_SOFTLANDING_RES_COMPLETE) {
msg = "succeeded";
break;
}
if (++count > 100) {
ret = -ETIME;
msg = "timed out";
break;
}
msleep(25);
}
v4l2_info(&state->sensor_sd, "AF soft-landing %s after %dms\n",
msg, jiffies_to_msecs(jiffies - start));
return ret;
}
static int s5c73m3_load_fw(struct v4l2_subdev *sd)
{
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
struct i2c_client *client = state->i2c_client;
const struct firmware *fw;
int ret;
char fw_name[20];
snprintf(fw_name, sizeof(fw_name), "SlimISP_%.2s.bin",
state->fw_file_version);
ret = request_firmware(&fw, fw_name, &client->dev);
if (ret < 0) {
v4l2_err(sd, "Firmware request failed (%s)\n", fw_name);
return -EINVAL;
}
v4l2_info(sd, "Loading firmware (%s, %d B)\n", fw_name, fw->size);
ret = s5c73m3_spi_write(state, fw->data, fw->size, 64);
if (ret >= 0)
state->isp_ready = 1;
else
v4l2_err(sd, "SPI write failed\n");
release_firmware(fw);
return ret;
}
static int s5c73m3_set_frame_size(struct s5c73m3 *state)
{
const struct s5c73m3_frame_size *prev_size =
state->sensor_pix_size[RES_ISP];
const struct s5c73m3_frame_size *cap_size =
state->sensor_pix_size[RES_JPEG];
unsigned int chg_mode;
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"Preview size: %dx%d, reg_val: 0x%x\n",
prev_size->width, prev_size->height, prev_size->reg_val);
chg_mode = prev_size->reg_val | COMM_CHG_MODE_NEW;
if (state->mbus_code == S5C73M3_JPEG_FMT) {
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"Capture size: %dx%d, reg_val: 0x%x\n",
cap_size->width, cap_size->height, cap_size->reg_val);
chg_mode |= cap_size->reg_val;
}
return s5c73m3_isp_command(state, COMM_CHG_MODE, chg_mode);
}
static int s5c73m3_set_frame_rate(struct s5c73m3 *state)
{
int ret;
if (state->ctrls.stabilization->val)
return 0;
if (WARN_ON(state->fiv == NULL))
return -EINVAL;
ret = s5c73m3_isp_command(state, COMM_FRAME_RATE, state->fiv->fps_reg);
if (!ret)
state->apply_fiv = 0;
return ret;
}
static int __s5c73m3_s_stream(struct s5c73m3 *state, struct v4l2_subdev *sd,
int on)
{
u16 mode;
int ret;
if (on && state->apply_fmt) {
if (state->mbus_code == S5C73M3_JPEG_FMT)
mode = COMM_IMG_OUTPUT_INTERLEAVED;
else
mode = COMM_IMG_OUTPUT_YUV;
ret = s5c73m3_isp_command(state, COMM_IMG_OUTPUT, mode);
if (!ret)
ret = s5c73m3_set_frame_size(state);
if (ret)
return ret;
state->apply_fmt = 0;
}
ret = s5c73m3_isp_command(state, COMM_SENSOR_STREAMING, !!on);
if (ret)
return ret;
state->streaming = !!on;
if (!on)
return ret;
if (state->apply_fiv) {
ret = s5c73m3_set_frame_rate(state);
if (ret < 0)
v4l2_err(sd, "Error setting frame rate(%d)\n", ret);
}
return s5c73m3_check_status(state, REG_STATUS_ISP_COMMAND_COMPLETED);
}
static int s5c73m3_oif_s_stream(struct v4l2_subdev *sd, int on)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int ret;
mutex_lock(&state->lock);
ret = __s5c73m3_s_stream(state, sd, on);
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_system_status_wait(struct s5c73m3 *state, u32 value,
unsigned int delay, unsigned int steps)
{
u16 reg = 0;
while (steps-- > 0) {
int ret = s5c73m3_read(state, 0x30100010, &reg);
if (ret < 0)
return ret;
if (reg == value)
return 0;
usleep_range(delay, delay + 25);
}
return -ETIMEDOUT;
}
static int s5c73m3_read_fw_version(struct s5c73m3 *state)
{
struct v4l2_subdev *sd = &state->sensor_sd;
int i, ret;
u16 data[2];
int offset;
offset = state->isp_ready ? 0x60 : 0;
for (i = 0; i < S5C73M3_SENSOR_FW_LEN / 2; i++) {
ret = s5c73m3_read(state, offset + i * 2, data);
if (ret < 0)
return ret;
state->sensor_fw[i * 2] = (char)(*data & 0xff);
state->sensor_fw[i * 2 + 1] = (char)(*data >> 8);
}
state->sensor_fw[S5C73M3_SENSOR_FW_LEN] = '\0';
for (i = 0; i < S5C73M3_SENSOR_TYPE_LEN / 2; i++) {
ret = s5c73m3_read(state, offset + 6 + i * 2, data);
if (ret < 0)
return ret;
state->sensor_type[i * 2] = (char)(*data & 0xff);
state->sensor_type[i * 2 + 1] = (char)(*data >> 8);
}
state->sensor_type[S5C73M3_SENSOR_TYPE_LEN] = '\0';
ret = s5c73m3_read(state, offset + 0x14, data);
if (ret >= 0) {
ret = s5c73m3_read(state, offset + 0x16, data + 1);
if (ret >= 0)
state->fw_size = data[0] + (data[1] << 16);
}
v4l2_info(sd, "Sensor type: %s, FW version: %s\n",
state->sensor_type, state->sensor_fw);
return ret;
}
static int s5c73m3_fw_update_from(struct s5c73m3 *state)
{
struct v4l2_subdev *sd = &state->sensor_sd;
u16 status = COMM_FW_UPDATE_NOT_READY;
int ret;
int count = 0;
v4l2_warn(sd, "Updating F-ROM firmware.\n");
do {
if (status == COMM_FW_UPDATE_NOT_READY) {
ret = s5c73m3_isp_command(state, COMM_FW_UPDATE, 0);
if (ret < 0)
return ret;
}
ret = s5c73m3_read(state, 0x00095906, &status);
if (ret < 0)
return ret;
switch (status) {
case COMM_FW_UPDATE_FAIL:
v4l2_warn(sd, "Updating F-ROM firmware failed.\n");
return -EIO;
case COMM_FW_UPDATE_SUCCESS:
v4l2_warn(sd, "Updating F-ROM firmware finished.\n");
return 0;
}
++count;
msleep(20);
} while (count < 500);
v4l2_warn(sd, "Updating F-ROM firmware timed-out.\n");
return -ETIMEDOUT;
}
static int s5c73m3_spi_boot(struct s5c73m3 *state, bool load_fw)
{
struct v4l2_subdev *sd = &state->sensor_sd;
int ret;
/* Run ARM MCU */
ret = s5c73m3_write(state, 0x30000004, 0xffff);
if (ret < 0)
return ret;
usleep_range(400, 500);
/* Check booting status */
ret = s5c73m3_system_status_wait(state, 0x0c, 100, 3);
if (ret < 0) {
v4l2_err(sd, "booting failed: %d\n", ret);
return ret;
}
/* P,M,S and Boot Mode */
ret = s5c73m3_write(state, 0x30100014, 0x2146);
if (ret < 0)
return ret;
ret = s5c73m3_write(state, 0x30100010, 0x210c);
if (ret < 0)
return ret;
usleep_range(200, 250);
/* Check SPI status */
ret = s5c73m3_system_status_wait(state, 0x210d, 100, 300);
if (ret < 0)
v4l2_err(sd, "SPI not ready: %d\n", ret);
/* Firmware download over SPI */
if (load_fw)
s5c73m3_load_fw(sd);
/* MCU reset */
ret = s5c73m3_write(state, 0x30000004, 0xfffd);
if (ret < 0)
return ret;
/* Remap */
ret = s5c73m3_write(state, 0x301000a4, 0x0183);
if (ret < 0)
return ret;
/* MCU restart */
ret = s5c73m3_write(state, 0x30000004, 0xffff);
if (ret < 0 || !load_fw)
return ret;
ret = s5c73m3_read_fw_version(state);
if (ret < 0)
return ret;
if (load_fw && update_fw) {
ret = s5c73m3_fw_update_from(state);
update_fw = 0;
}
return ret;
}
static int s5c73m3_set_timing_register_for_vdd(struct s5c73m3 *state)
{
static const u32 regs[][2] = {
{ 0x30100018, 0x0618 },
{ 0x3010001c, 0x10c1 },
{ 0x30100020, 0x249e }
};
int ret;
int i;
for (i = 0; i < ARRAY_SIZE(regs); i++) {
ret = s5c73m3_write(state, regs[i][0], regs[i][1]);
if (ret < 0)
return ret;
}
return 0;
}
static void s5c73m3_set_fw_file_version(struct s5c73m3 *state)
{
switch (state->sensor_fw[0]) {
case 'G':
case 'O':
state->fw_file_version[0] = 'G';
break;
case 'S':
case 'Z':
state->fw_file_version[0] = 'Z';
break;
}
switch (state->sensor_fw[1]) {
case 'C'...'F':
state->fw_file_version[1] = state->sensor_fw[1];
break;
}
}
static int s5c73m3_get_fw_version(struct s5c73m3 *state)
{
struct v4l2_subdev *sd = &state->sensor_sd;
int ret;
/* Run ARM MCU */
ret = s5c73m3_write(state, 0x30000004, 0xffff);
if (ret < 0)
return ret;
usleep_range(400, 500);
/* Check booting status */
ret = s5c73m3_system_status_wait(state, 0x0c, 100, 3);
if (ret < 0) {
v4l2_err(sd, "%s: booting failed: %d\n", __func__, ret);
return ret;
}
/* Change I/O Driver Current in order to read from F-ROM */
ret = s5c73m3_write(state, 0x30100120, 0x0820);
ret = s5c73m3_write(state, 0x30100124, 0x0820);
/* Offset Setting */
ret = s5c73m3_write(state, 0x00010418, 0x0008);
/* P,M,S and Boot Mode */
ret = s5c73m3_write(state, 0x30100014, 0x2146);
if (ret < 0)
return ret;
ret = s5c73m3_write(state, 0x30100010, 0x230c);
if (ret < 0)
return ret;
usleep_range(200, 250);
/* Check SPI status */
ret = s5c73m3_system_status_wait(state, 0x230e, 100, 300);
if (ret < 0)
v4l2_err(sd, "SPI not ready: %d\n", ret);
/* ARM reset */
ret = s5c73m3_write(state, 0x30000004, 0xfffd);
if (ret < 0)
return ret;
/* Remap */
ret = s5c73m3_write(state, 0x301000a4, 0x0183);
if (ret < 0)
return ret;
s5c73m3_set_timing_register_for_vdd(state);
ret = s5c73m3_read_fw_version(state);
s5c73m3_set_fw_file_version(state);
return ret;
}
static int s5c73m3_rom_boot(struct s5c73m3 *state, bool load_fw)
{
static const u32 boot_regs[][2] = {
{ 0x3100010c, 0x0044 },
{ 0x31000108, 0x000d },
{ 0x31000304, 0x0001 },
{ 0x00010000, 0x5800 },
{ 0x00010002, 0x0002 },
{ 0x31000000, 0x0001 },
{ 0x30100014, 0x1b85 },
{ 0x30100010, 0x230c }
};
struct v4l2_subdev *sd = &state->sensor_sd;
int i, ret;
/* Run ARM MCU */
ret = s5c73m3_write(state, 0x30000004, 0xffff);
if (ret < 0)
return ret;
usleep_range(400, 450);
/* Check booting status */
ret = s5c73m3_system_status_wait(state, 0x0c, 100, 4);
if (ret < 0) {
v4l2_err(sd, "Booting failed: %d\n", ret);
return ret;
}
for (i = 0; i < ARRAY_SIZE(boot_regs); i++) {
ret = s5c73m3_write(state, boot_regs[i][0], boot_regs[i][1]);
if (ret < 0)
return ret;
}
msleep(200);
/* Check the binary read status */
ret = s5c73m3_system_status_wait(state, 0x230e, 1000, 150);
if (ret < 0) {
v4l2_err(sd, "Binary read failed: %d\n", ret);
return ret;
}
/* ARM reset */
ret = s5c73m3_write(state, 0x30000004, 0xfffd);
if (ret < 0)
return ret;
/* Remap */
ret = s5c73m3_write(state, 0x301000a4, 0x0183);
if (ret < 0)
return ret;
/* MCU re-start */
ret = s5c73m3_write(state, 0x30000004, 0xffff);
if (ret < 0)
return ret;
state->isp_ready = 1;
return s5c73m3_read_fw_version(state);
}
static int s5c73m3_isp_init(struct s5c73m3 *state)
{
int ret;
state->i2c_read_address = 0;
state->i2c_write_address = 0;
ret = s5c73m3_i2c_write(state->i2c_client, AHB_MSB_ADDR_PTR, 0x3310);
if (ret < 0)
return ret;
if (boot_from_rom)
return s5c73m3_rom_boot(state, true);
else
return s5c73m3_spi_boot(state, true);
}
static const struct s5c73m3_frame_size *s5c73m3_find_frame_size(
struct v4l2_mbus_framefmt *fmt,
enum s5c73m3_resolution_types idx)
{
const struct s5c73m3_frame_size *fs;
const struct s5c73m3_frame_size *best_fs;
int best_dist = INT_MAX;
int i;
fs = s5c73m3_resolutions[idx];
best_fs = NULL;
for (i = 0; i < s5c73m3_resolutions_len[idx]; ++i) {
int dist = abs(fs->width - fmt->width) +
abs(fs->height - fmt->height);
if (dist < best_dist) {
best_dist = dist;
best_fs = fs;
}
++fs;
}
return best_fs;
}
static void s5c73m3_oif_try_format(struct s5c73m3 *state,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt,
const struct s5c73m3_frame_size **fs)
{
u32 code;
switch (fmt->pad) {
case OIF_ISP_PAD:
*fs = s5c73m3_find_frame_size(&fmt->format, RES_ISP);
code = S5C73M3_ISP_FMT;
break;
case OIF_JPEG_PAD:
*fs = s5c73m3_find_frame_size(&fmt->format, RES_JPEG);
code = S5C73M3_JPEG_FMT;
break;
case OIF_SOURCE_PAD:
default:
if (fmt->format.code == S5C73M3_JPEG_FMT)
code = S5C73M3_JPEG_FMT;
else
code = S5C73M3_ISP_FMT;
if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE)
*fs = state->oif_pix_size[RES_ISP];
else
*fs = s5c73m3_find_frame_size(
v4l2_subdev_get_try_format(fh,
OIF_ISP_PAD),
RES_ISP);
break;
}
s5c73m3_fill_mbus_fmt(&fmt->format, *fs, code);
}
static void s5c73m3_try_format(struct s5c73m3 *state,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt,
const struct s5c73m3_frame_size **fs)
{
u32 code;
if (fmt->pad == S5C73M3_ISP_PAD) {
*fs = s5c73m3_find_frame_size(&fmt->format, RES_ISP);
code = S5C73M3_ISP_FMT;
} else {
*fs = s5c73m3_find_frame_size(&fmt->format, RES_JPEG);
code = S5C73M3_JPEG_FMT;
}
s5c73m3_fill_mbus_fmt(&fmt->format, *fs, code);
}
static int s5c73m3_oif_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
if (fi->pad != OIF_SOURCE_PAD)
return -EINVAL;
mutex_lock(&state->lock);
fi->interval = state->fiv->interval;
mutex_unlock(&state->lock);
return 0;
}
static int __s5c73m3_set_frame_interval(struct s5c73m3 *state,
struct v4l2_subdev_frame_interval *fi)
{
const struct s5c73m3_frame_size *prev_size =
state->sensor_pix_size[RES_ISP];
const struct s5c73m3_interval *fiv = &s5c73m3_intervals[0];
unsigned int ret, min_err = UINT_MAX;
unsigned int i, fr_time;
if (fi->interval.denominator == 0)
return -EINVAL;
fr_time = fi->interval.numerator * 1000 / fi->interval.denominator;
for (i = 0; i < ARRAY_SIZE(s5c73m3_intervals); i++) {
const struct s5c73m3_interval *iv = &s5c73m3_intervals[i];
if (prev_size->width > iv->size.width ||
prev_size->height > iv->size.height)
continue;
ret = abs(iv->interval.numerator / 1000 - fr_time);
if (ret < min_err) {
fiv = iv;
min_err = ret;
}
}
state->fiv = fiv;
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"Changed frame interval to %u us\n", fiv->interval.numerator);
return 0;
}
static int s5c73m3_oif_s_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int ret;
if (fi->pad != OIF_SOURCE_PAD)
return -EINVAL;
v4l2_dbg(1, s5c73m3_dbg, sd, "Setting %d/%d frame interval\n",
fi->interval.numerator, fi->interval.denominator);
mutex_lock(&state->lock);
ret = __s5c73m3_set_frame_interval(state, fi);
if (!ret) {
if (state->streaming)
ret = s5c73m3_set_frame_rate(state);
else
state->apply_fiv = 1;
}
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_oif_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_interval_enum *fie)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
const struct s5c73m3_interval *fi;
int ret = 0;
if (fie->pad != OIF_SOURCE_PAD)
return -EINVAL;
if (fie->index > ARRAY_SIZE(s5c73m3_intervals))
return -EINVAL;
mutex_lock(&state->lock);
fi = &s5c73m3_intervals[fie->index];
if (fie->width > fi->size.width || fie->height > fi->size.height)
ret = -EINVAL;
else
fie->interval = fi->interval;
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_oif_get_pad_code(int pad, int index)
{
if (pad == OIF_SOURCE_PAD) {
if (index > 1)
return -EINVAL;
return (index == 0) ? S5C73M3_ISP_FMT : S5C73M3_JPEG_FMT;
}
if (index > 0)
return -EINVAL;
return (pad == OIF_ISP_PAD) ? S5C73M3_ISP_FMT : S5C73M3_JPEG_FMT;
}
static int s5c73m3_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
const struct s5c73m3_frame_size *fs;
u32 code;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
fmt->format = *v4l2_subdev_get_try_format(fh, fmt->pad);
return 0;
}
mutex_lock(&state->lock);
switch (fmt->pad) {
case S5C73M3_ISP_PAD:
code = S5C73M3_ISP_FMT;
fs = state->sensor_pix_size[RES_ISP];
break;
case S5C73M3_JPEG_PAD:
code = S5C73M3_JPEG_FMT;
fs = state->sensor_pix_size[RES_JPEG];
break;
default:
mutex_unlock(&state->lock);
return -EINVAL;
}
s5c73m3_fill_mbus_fmt(&fmt->format, fs, code);
mutex_unlock(&state->lock);
return 0;
}
static int s5c73m3_oif_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
const struct s5c73m3_frame_size *fs;
u32 code;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
fmt->format = *v4l2_subdev_get_try_format(fh, fmt->pad);
return 0;
}
mutex_lock(&state->lock);
switch (fmt->pad) {
case OIF_ISP_PAD:
code = S5C73M3_ISP_FMT;
fs = state->oif_pix_size[RES_ISP];
break;
case OIF_JPEG_PAD:
code = S5C73M3_JPEG_FMT;
fs = state->oif_pix_size[RES_JPEG];
break;
case OIF_SOURCE_PAD:
code = state->mbus_code;
fs = state->oif_pix_size[RES_ISP];
break;
default:
mutex_unlock(&state->lock);
return -EINVAL;
}
s5c73m3_fill_mbus_fmt(&fmt->format, fs, code);
mutex_unlock(&state->lock);
return 0;
}
static int s5c73m3_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
const struct s5c73m3_frame_size *frame_size = NULL;
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
struct v4l2_mbus_framefmt *mf;
int ret = 0;
mutex_lock(&state->lock);
s5c73m3_try_format(state, fh, fmt, &frame_size);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
mf = v4l2_subdev_get_try_format(fh, fmt->pad);
*mf = fmt->format;
} else {
switch (fmt->pad) {
case S5C73M3_ISP_PAD:
state->sensor_pix_size[RES_ISP] = frame_size;
break;
case S5C73M3_JPEG_PAD:
state->sensor_pix_size[RES_JPEG] = frame_size;
break;
default:
ret = -EBUSY;
}
if (state->streaming)
ret = -EBUSY;
else
state->apply_fmt = 1;
}
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_oif_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
const struct s5c73m3_frame_size *frame_size = NULL;
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
struct v4l2_mbus_framefmt *mf;
int ret = 0;
mutex_lock(&state->lock);
s5c73m3_oif_try_format(state, fh, fmt, &frame_size);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
mf = v4l2_subdev_get_try_format(fh, fmt->pad);
*mf = fmt->format;
} else {
switch (fmt->pad) {
case OIF_ISP_PAD:
state->oif_pix_size[RES_ISP] = frame_size;
break;
case OIF_JPEG_PAD:
state->oif_pix_size[RES_JPEG] = frame_size;
break;
case OIF_SOURCE_PAD:
state->mbus_code = fmt->format.code;
break;
default:
ret = -EBUSY;
}
if (state->streaming)
ret = -EBUSY;
else
state->apply_fmt = 1;
}
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_oif_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int i;
if (pad != OIF_SOURCE_PAD || fd == NULL)
return -EINVAL;
mutex_lock(&state->lock);
fd->num_entries = 2;
for (i = 0; i < fd->num_entries; i++)
fd->entry[i] = state->frame_desc.entry[i];
mutex_unlock(&state->lock);
return 0;
}
static int s5c73m3_oif_set_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
struct v4l2_mbus_frame_desc *frame_desc = &state->frame_desc;
int i;
if (pad != OIF_SOURCE_PAD || fd == NULL)
return -EINVAL;
fd->entry[0].length = 10 * SZ_1M;
fd->entry[1].length = max_t(u32, fd->entry[1].length,
S5C73M3_EMBEDDED_DATA_MAXLEN);
fd->num_entries = 2;
mutex_lock(&state->lock);
for (i = 0; i < fd->num_entries; i++)
frame_desc->entry[i] = fd->entry[i];
mutex_unlock(&state->lock);
return 0;
}
static int s5c73m3_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_mbus_code_enum *code)
{
static const int codes[] = {
[S5C73M3_ISP_PAD] = S5C73M3_ISP_FMT,
[S5C73M3_JPEG_PAD] = S5C73M3_JPEG_FMT};
if (code->index > 0 || code->pad >= S5C73M3_NUM_PADS)
return -EINVAL;
code->code = codes[code->pad];
return 0;
}
static int s5c73m3_oif_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_mbus_code_enum *code)
{
int ret;
ret = s5c73m3_oif_get_pad_code(code->pad, code->index);
if (ret < 0)
return ret;
code->code = ret;
return 0;
}
static int s5c73m3_enum_frame_size(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_size_enum *fse)
{
int idx;
if (fse->pad == S5C73M3_ISP_PAD) {
if (fse->code != S5C73M3_ISP_FMT)
return -EINVAL;
idx = RES_ISP;
} else{
if (fse->code != S5C73M3_JPEG_FMT)
return -EINVAL;
idx = RES_JPEG;
}
if (fse->index >= s5c73m3_resolutions_len[idx])
return -EINVAL;
fse->min_width = s5c73m3_resolutions[idx][fse->index].width;
fse->max_width = fse->min_width;
fse->max_height = s5c73m3_resolutions[idx][fse->index].height;
fse->min_height = fse->max_height;
return 0;
}
static int s5c73m3_oif_enum_frame_size(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_size_enum *fse)
{
int idx;
if (fse->pad == OIF_SOURCE_PAD) {
if (fse->index > 0)
return -EINVAL;
switch (fse->code) {
case S5C73M3_JPEG_FMT:
case S5C73M3_ISP_FMT: {
struct v4l2_mbus_framefmt *mf =
v4l2_subdev_get_try_format(fh, OIF_ISP_PAD);
fse->max_width = fse->min_width = mf->width;
fse->max_height = fse->min_height = mf->height;
return 0;
}
default:
return -EINVAL;
}
}
if (fse->code != s5c73m3_oif_get_pad_code(fse->pad, 0))
return -EINVAL;
if (fse->pad == OIF_JPEG_PAD)
idx = RES_JPEG;
else
idx = RES_ISP;
if (fse->index >= s5c73m3_resolutions_len[idx])
return -EINVAL;
fse->min_width = s5c73m3_resolutions[idx][fse->index].width;
fse->max_width = fse->min_width;
fse->max_height = s5c73m3_resolutions[idx][fse->index].height;
fse->min_height = fse->max_height;
return 0;
}
static int s5c73m3_oif_log_status(struct v4l2_subdev *sd)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
v4l2_ctrl_handler_log_status(sd->ctrl_handler, sd->name);
v4l2_info(sd, "power: %d, apply_fmt: %d\n", state->power,
state->apply_fmt);
return 0;
}
static int s5c73m3_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct v4l2_mbus_framefmt *mf;
mf = v4l2_subdev_get_try_format(fh, S5C73M3_ISP_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
mf = v4l2_subdev_get_try_format(fh, S5C73M3_JPEG_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
S5C73M3_JPEG_FMT);
return 0;
}
static int s5c73m3_oif_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct v4l2_mbus_framefmt *mf;
mf = v4l2_subdev_get_try_format(fh, OIF_ISP_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
mf = v4l2_subdev_get_try_format(fh, OIF_JPEG_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
S5C73M3_JPEG_FMT);
mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
return 0;
}
static int s5c73m3_gpio_set_value(struct s5c73m3 *priv, int id, u32 val)
{
if (!gpio_is_valid(priv->gpio[id].gpio))
return 0;
gpio_set_value(priv->gpio[id].gpio, !!val);
return 1;
}
static int s5c73m3_gpio_assert(struct s5c73m3 *priv, int id)
{
return s5c73m3_gpio_set_value(priv, id, priv->gpio[id].level);
}
static int s5c73m3_gpio_deassert(struct s5c73m3 *priv, int id)
{
return s5c73m3_gpio_set_value(priv, id, !priv->gpio[id].level);
}
static int __s5c73m3_power_on(struct s5c73m3 *state)
{
int i, ret;
for (i = 0; i < S5C73M3_MAX_SUPPLIES; i++) {
ret = regulator_enable(state->supplies[i].consumer);
if (ret)
goto err;
}
s5c73m3_gpio_deassert(state, STBY);
usleep_range(100, 200);
s5c73m3_gpio_deassert(state, RST);
usleep_range(50, 100);
return 0;
err:
for (--i; i >= 0; i--)
regulator_disable(state->supplies[i].consumer);
return ret;
}
static int __s5c73m3_power_off(struct s5c73m3 *state)
{
int i, ret;
if (s5c73m3_gpio_assert(state, RST))
usleep_range(10, 50);
if (s5c73m3_gpio_assert(state, STBY))
usleep_range(100, 200);
state->streaming = 0;
state->isp_ready = 0;
for (i = S5C73M3_MAX_SUPPLIES - 1; i >= 0; i--) {
ret = regulator_disable(state->supplies[i].consumer);
if (ret)
goto err;
}
return 0;
err:
for (++i; i < S5C73M3_MAX_SUPPLIES; i++)
regulator_enable(state->supplies[i].consumer);
return ret;
}
static int s5c73m3_oif_set_power(struct v4l2_subdev *sd, int on)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int ret = 0;
mutex_lock(&state->lock);
if (on && !state->power) {
ret = __s5c73m3_power_on(state);
if (!ret)
ret = s5c73m3_isp_init(state);
if (!ret) {
state->apply_fiv = 1;
state->apply_fmt = 1;
}
} else if (!on == state->power) {
ret = s5c73m3_set_af_softlanding(state);
if (!ret)
ret = __s5c73m3_power_off(state);
else
v4l2_err(sd, "Soft landing lens failed\n");
}
if (!ret)
state->power += on ? 1 : -1;
v4l2_dbg(1, s5c73m3_dbg, sd, "%s: power: %d\n",
__func__, state->power);
mutex_unlock(&state->lock);
return ret;
}
static int s5c73m3_oif_registered(struct v4l2_subdev *sd)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int ret;
ret = v4l2_device_register_subdev(sd->v4l2_dev, &state->sensor_sd);
if (ret) {
v4l2_err(sd->v4l2_dev, "Failed to register %s\n",
state->oif_sd.name);
return ret;
}
ret = media_entity_create_link(&state->sensor_sd.entity,
S5C73M3_ISP_PAD, &state->oif_sd.entity, OIF_ISP_PAD,
MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED);
ret = media_entity_create_link(&state->sensor_sd.entity,
S5C73M3_JPEG_PAD, &state->oif_sd.entity, OIF_JPEG_PAD,
MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED);
mutex_lock(&state->lock);
ret = __s5c73m3_power_on(state);
if (ret == 0)
s5c73m3_get_fw_version(state);
__s5c73m3_power_off(state);
mutex_unlock(&state->lock);
v4l2_dbg(1, s5c73m3_dbg, sd, "%s: Booting %s (%d)\n",
__func__, ret ? "failed" : "succeded", ret);
return ret;
}
static const struct v4l2_subdev_internal_ops s5c73m3_internal_ops = {
.open = s5c73m3_open,
};
static const struct v4l2_subdev_pad_ops s5c73m3_pad_ops = {
.enum_mbus_code = s5c73m3_enum_mbus_code,
.enum_frame_size = s5c73m3_enum_frame_size,
.get_fmt = s5c73m3_get_fmt,
.set_fmt = s5c73m3_set_fmt,
};
static const struct v4l2_subdev_ops s5c73m3_subdev_ops = {
.pad = &s5c73m3_pad_ops,
};
static const struct v4l2_subdev_internal_ops oif_internal_ops = {
.registered = s5c73m3_oif_registered,
.open = s5c73m3_oif_open,
};
static const struct v4l2_subdev_pad_ops s5c73m3_oif_pad_ops = {
.enum_mbus_code = s5c73m3_oif_enum_mbus_code,
.enum_frame_size = s5c73m3_oif_enum_frame_size,
.enum_frame_interval = s5c73m3_oif_enum_frame_interval,
.get_fmt = s5c73m3_oif_get_fmt,
.set_fmt = s5c73m3_oif_set_fmt,
.get_frame_desc = s5c73m3_oif_get_frame_desc,
.set_frame_desc = s5c73m3_oif_set_frame_desc,
};
static const struct v4l2_subdev_core_ops s5c73m3_oif_core_ops = {
.s_power = s5c73m3_oif_set_power,
.log_status = s5c73m3_oif_log_status,
};
static const struct v4l2_subdev_video_ops s5c73m3_oif_video_ops = {
.s_stream = s5c73m3_oif_s_stream,
.g_frame_interval = s5c73m3_oif_g_frame_interval,
.s_frame_interval = s5c73m3_oif_s_frame_interval,
};
static const struct v4l2_subdev_ops oif_subdev_ops = {
.core = &s5c73m3_oif_core_ops,
.pad = &s5c73m3_oif_pad_ops,
.video = &s5c73m3_oif_video_ops,
};
static int s5c73m3_configure_gpio(int nr, int val, const char *name)
{
unsigned long flags = val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
int ret;
if (!gpio_is_valid(nr))
return 0;
ret = gpio_request_one(nr, flags, name);
if (!ret)
gpio_export(nr, 0);
return ret;
}
static int s5c73m3_free_gpios(struct s5c73m3 *state)
{
int i;
for (i = 0; i < ARRAY_SIZE(state->gpio); i++) {
if (!gpio_is_valid(state->gpio[i].gpio))
continue;
gpio_free(state->gpio[i].gpio);
state->gpio[i].gpio = -EINVAL;
}
return 0;
}
static int s5c73m3_configure_gpios(struct s5c73m3 *state,
const struct s5c73m3_platform_data *pdata)
{
const struct s5c73m3_gpio *gpio = &pdata->gpio_stby;
int ret;
state->gpio[STBY].gpio = -EINVAL;
state->gpio[RST].gpio = -EINVAL;
ret = s5c73m3_configure_gpio(gpio->gpio, gpio->level, "S5C73M3_STBY");
if (ret) {
s5c73m3_free_gpios(state);
return ret;
}
state->gpio[STBY] = *gpio;
if (gpio_is_valid(gpio->gpio))
gpio_set_value(gpio->gpio, 0);
gpio = &pdata->gpio_reset;
ret = s5c73m3_configure_gpio(gpio->gpio, gpio->level, "S5C73M3_RST");
if (ret) {
s5c73m3_free_gpios(state);
return ret;
}
state->gpio[RST] = *gpio;
if (gpio_is_valid(gpio->gpio))
gpio_set_value(gpio->gpio, 0);
return 0;
}
static int __devinit s5c73m3_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
const struct s5c73m3_platform_data *pdata = client->dev.platform_data;
struct v4l2_subdev *sd;
struct v4l2_subdev *oif_sd;
struct s5c73m3 *state;
int ret, i;
if (pdata == NULL) {
dev_err(&client->dev, "Platform data not specified\n");
return -EINVAL;
}
state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL);
if (!state)
return -ENOMEM;
mutex_init(&state->lock);
sd = &state->sensor_sd;
oif_sd = &state->oif_sd;
v4l2_subdev_init(sd, &s5c73m3_subdev_ops);
sd->owner = client->driver->driver.owner;
v4l2_set_subdevdata(sd, state);
strlcpy(sd->name, "S5C73M3", sizeof(sd->name));
sd->internal_ops = &s5c73m3_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
state->sensor_pads[S5C73M3_JPEG_PAD].flags = MEDIA_PAD_FL_SOURCE;
state->sensor_pads[S5C73M3_ISP_PAD].flags = MEDIA_PAD_FL_SOURCE;
sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
ret = media_entity_init(&sd->entity, S5C73M3_NUM_PADS,
state->sensor_pads, 0);
if (ret < 0)
return ret;
v4l2_i2c_subdev_init(oif_sd, client, &oif_subdev_ops);
strcpy(oif_sd->name, "S5C73M3-OIF");
oif_sd->internal_ops = &oif_internal_ops;
oif_sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
state->oif_pads[OIF_ISP_PAD].flags = MEDIA_PAD_FL_SINK;
state->oif_pads[OIF_JPEG_PAD].flags = MEDIA_PAD_FL_SINK;
state->oif_pads[OIF_SOURCE_PAD].flags = MEDIA_PAD_FL_SOURCE;
oif_sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
ret = media_entity_init(&oif_sd->entity, OIF_NUM_PADS,
state->oif_pads, 0);
if (ret < 0)
return ret;
state->mclk_frequency = pdata->mclk_frequency;
state->bus_type = pdata->bus_type;
ret = s5c73m3_configure_gpios(state, pdata);
if (ret)
goto out_err1;
for (i = 0; i < S5C73M3_MAX_SUPPLIES; i++)
state->supplies[i].supply = s5c73m3_supply_names[i];
ret = regulator_bulk_get(dev, S5C73M3_MAX_SUPPLIES,
state->supplies);
if (ret) {
dev_err(dev, "failed to get regulators\n");
goto out_err2;
}
ret = s5c73m3_init_controls(state);
if (ret)
goto out_err3;
state->sensor_pix_size[RES_ISP] = &s5c73m3_isp_resolutions[1];
state->sensor_pix_size[RES_JPEG] = &s5c73m3_jpeg_resolutions[1];
state->oif_pix_size[RES_ISP] = state->sensor_pix_size[RES_ISP];
state->oif_pix_size[RES_JPEG] = state->sensor_pix_size[RES_JPEG];
state->mbus_code = S5C73M3_ISP_FMT;
state->fiv = &s5c73m3_intervals[S5C73M3_DEFAULT_FRAME_INTERVAL];
state->fw_file_version[0] = 'G';
state->fw_file_version[1] = 'C';
ret = s5c73m3_register_spi_driver(state);
if (ret < 0)
goto out_err3;
state->i2c_client = client;
v4l2_info(sd, "%s: completed succesfully\n", __func__);
return 0;
out_err3:
regulator_bulk_free(S5C73M3_MAX_SUPPLIES, state->supplies);
out_err2:
s5c73m3_free_gpios(state);
out_err1:
media_entity_cleanup(&sd->entity);
return ret;
}
static int __devexit s5c73m3_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler);
media_entity_cleanup(&sd->entity);
s5c73m3_unregister_spi_driver(state);
regulator_bulk_free(S5C73M3_MAX_SUPPLIES, state->supplies);
s5c73m3_free_gpios(state);
return 0;
}
static const struct i2c_device_id s5c73m3_id[] = {
{ DRIVER_NAME, 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, s5c73m3_id);
static struct i2c_driver s5c73m3_i2c_driver = {
.driver = {
.name = DRIVER_NAME,
},
.probe = s5c73m3_probe,
.remove = __devexit_p(s5c73m3_remove),
.id_table = s5c73m3_id,
};
module_i2c_driver(s5c73m3_i2c_driver);
MODULE_DESCRIPTION("Samsung S5C73M3 camera driver");
MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
MODULE_LICENSE("GPL");
drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c 0 → 100644
浏览文件 @ cac47f18
/*
* Samsung LSI S5C73M3 8M pixel camera driver
*
* Copyright (C) 2012, Samsung Electronics, Co., Ltd.
* Sylwester Nawrocki <s.nawrocki@samsung.com>
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/sizes.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/media.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/videodev2.h>
#include <media/media-entity.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-mediabus.h>
#include <media/s5c73m3.h>
#include "s5c73m3.h"
static int s5c73m3_get_af_status(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
{
u16 reg = REG_AF_STATUS_UNFOCUSED;
int ret = s5c73m3_read(state, REG_AF_STATUS, &reg);
switch (reg) {
case REG_CAF_STATUS_FIND_SEARCH_DIR:
case REG_AF_STATUS_FOCUSING:
case REG_CAF_STATUS_FOCUSING:
ctrl->val = V4L2_AUTO_FOCUS_STATUS_BUSY;
break;
case REG_CAF_STATUS_FOCUSED:
case REG_AF_STATUS_FOCUSED:
ctrl->val = V4L2_AUTO_FOCUS_STATUS_REACHED;
break;
default:
v4l2_info(&state->sensor_sd, "Unknown AF status %#x\n", reg);
/* Fall through */
case REG_CAF_STATUS_UNFOCUSED:
case REG_AF_STATUS_UNFOCUSED:
case REG_AF_STATUS_INVALID:
ctrl->val = V4L2_AUTO_FOCUS_STATUS_FAILED;
break;
}
return ret;
}
static int s5c73m3_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
int ret;
if (state->power == 0)
return -EBUSY;
switch (ctrl->id) {
case V4L2_CID_FOCUS_AUTO:
ret = s5c73m3_get_af_status(state, state->ctrls.af_status);
if (ret)
return ret;
break;
}
return 0;
}
static int s5c73m3_set_colorfx(struct s5c73m3 *state, int val)
{
static const unsigned short colorfx[][2] = {
{ V4L2_COLORFX_NONE, COMM_IMAGE_EFFECT_NONE },
{ V4L2_COLORFX_BW, COMM_IMAGE_EFFECT_MONO },
{ V4L2_COLORFX_SEPIA, COMM_IMAGE_EFFECT_SEPIA },
{ V4L2_COLORFX_NEGATIVE, COMM_IMAGE_EFFECT_NEGATIVE },
{ V4L2_COLORFX_AQUA, COMM_IMAGE_EFFECT_AQUA },
};
int i;
for (i = 0; i < ARRAY_SIZE(colorfx); i++) {
if (colorfx[i][0] != val)
continue;
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"Setting %s color effect\n",
v4l2_ctrl_get_menu(state->ctrls.colorfx->id)[i]);
return s5c73m3_isp_command(state, COMM_IMAGE_EFFECT,
colorfx[i][1]);
}
return -EINVAL;
}
/* Set exposure metering/exposure bias */
static int s5c73m3_set_exposure(struct s5c73m3 *state, int auto_exp)
{
struct v4l2_subdev *sd = &state->sensor_sd;
struct s5c73m3_ctrls *ctrls = &state->ctrls;
int ret = 0;
if (ctrls->exposure_metering->is_new) {
u16 metering;
switch (ctrls->exposure_metering->val) {
case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
metering = COMM_METERING_CENTER;
break;
case V4L2_EXPOSURE_METERING_SPOT:
metering = COMM_METERING_SPOT;
break;
default:
metering = COMM_METERING_AVERAGE;
break;
}
ret = s5c73m3_isp_command(state, COMM_METERING, metering);
}
if (!ret && ctrls->exposure_bias->is_new) {
u16 exp_bias = ctrls->exposure_bias->val;
ret = s5c73m3_isp_command(state, COMM_EV, exp_bias);
}
v4l2_dbg(1, s5c73m3_dbg, sd,
"%s: exposure bias: %#x, metering: %#x (%d)\n", __func__,
ctrls->exposure_bias->val, ctrls->exposure_metering->val, ret);
return ret;
}
static int s5c73m3_set_white_balance(struct s5c73m3 *state, int val)
{
static const unsigned short wb[][2] = {
{ V4L2_WHITE_BALANCE_INCANDESCENT, COMM_AWB_MODE_INCANDESCENT},
{ V4L2_WHITE_BALANCE_FLUORESCENT, COMM_AWB_MODE_FLUORESCENT1},
{ V4L2_WHITE_BALANCE_FLUORESCENT_H, COMM_AWB_MODE_FLUORESCENT2},
{ V4L2_WHITE_BALANCE_CLOUDY, COMM_AWB_MODE_CLOUDY},
{ V4L2_WHITE_BALANCE_DAYLIGHT, COMM_AWB_MODE_DAYLIGHT},
{ V4L2_WHITE_BALANCE_AUTO, COMM_AWB_MODE_AUTO},
};
int i;
for (i = 0; i < ARRAY_SIZE(wb); i++) {
if (wb[i][0] != val)
continue;
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
"Setting white balance to: %s\n",
v4l2_ctrl_get_menu(state->ctrls.auto_wb->id)[i]);
return s5c73m3_isp_command(state, COMM_AWB_MODE, wb[i][1]);
}
return -EINVAL;
}
static int s5c73m3_af_run(struct s5c73m3 *state, bool on)
{
struct s5c73m3_ctrls *c = &state->ctrls;
if (!on)
return s5c73m3_isp_command(state, COMM_AF_CON,
COMM_AF_CON_STOP);
if (c->focus_auto->val)
return s5c73m3_isp_command(state, COMM_AF_MODE,
COMM_AF_MODE_PREVIEW_CAF_START);
return s5c73m3_isp_command(state, COMM_AF_CON, COMM_AF_CON_START);
}
static int s5c73m3_3a_lock(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
{
bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
int ret = 0;
if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
ret = s5c73m3_isp_command(state, COMM_AE_CON,
ae_lock ? COMM_AE_STOP : COMM_AE_START);
if (ret)
return ret;
}
if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
&& state->ctrls.auto_wb->val) {
ret = s5c73m3_isp_command(state, COMM_AWB_CON,
awb_lock ? COMM_AWB_STOP : COMM_AWB_START);
if (ret)
return ret;
}
if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
ret = s5c73m3_af_run(state, ~af_lock);
return ret;
}
static int s5c73m3_set_auto_focus(struct s5c73m3 *state, int caf)
{
struct s5c73m3_ctrls *c = &state->ctrls;
int ret = 1;
if (c->af_distance->is_new) {
u16 mode = (c->af_distance->val == V4L2_AUTO_FOCUS_RANGE_MACRO)
? COMM_AF_MODE_MACRO : COMM_AF_MODE_NORMAL;
ret = s5c73m3_isp_command(state, COMM_AF_MODE, mode);
if (ret != 0)
return ret;
}
if (!ret || (c->focus_auto->is_new && c->focus_auto->val) ||
c->af_start->is_new)
ret = s5c73m3_af_run(state, 1);
else if ((c->focus_auto->is_new && !c->focus_auto->val) ||
c->af_stop->is_new)
ret = s5c73m3_af_run(state, 0);
else
ret = 0;
return ret;
}
static int s5c73m3_set_contrast(struct s5c73m3 *state, int val)
{
u16 reg = (val < 0) ? -val + 2 : val;
return s5c73m3_isp_command(state, COMM_CONTRAST, reg);
}
static int s5c73m3_set_saturation(struct s5c73m3 *state, int val)
{
u16 reg = (val < 0) ? -val + 2 : val;
return s5c73m3_isp_command(state, COMM_SATURATION, reg);
}
static int s5c73m3_set_sharpness(struct s5c73m3 *state, int val)
{
u16 reg = (val < 0) ? -val + 2 : val;
return s5c73m3_isp_command(state, COMM_SHARPNESS, reg);
}
static int s5c73m3_set_iso(struct s5c73m3 *state, int val)
{
u32 iso;
if (val == V4L2_ISO_SENSITIVITY_MANUAL)
iso = state->ctrls.iso->val + 1;
else
iso = 0;
return s5c73m3_isp_command(state, COMM_ISO, iso);
}
static int s5c73m3_set_stabilization(struct s5c73m3 *state, int val)
{
struct v4l2_subdev *sd = &state->sensor_sd;
v4l2_dbg(1, s5c73m3_dbg, sd, "Image stabilization: %d\n", val);
return s5c73m3_isp_command(state, COMM_FRAME_RATE, val ?
COMM_FRAME_RATE_ANTI_SHAKE : COMM_FRAME_RATE_AUTO_SET);
}
static int s5c73m3_set_jpeg_quality(struct s5c73m3 *state, int quality)
{
int reg;
if (quality <= 65)
reg = COMM_IMAGE_QUALITY_NORMAL;
else if (quality <= 75)
reg = COMM_IMAGE_QUALITY_FINE;
else
reg = COMM_IMAGE_QUALITY_SUPERFINE;
return s5c73m3_isp_command(state, COMM_IMAGE_QUALITY, reg);
}
static int s5c73m3_set_scene_program(struct s5c73m3 *state, int val)
{
static const unsigned short scene_lookup[] = {
COMM_SCENE_MODE_NONE, /* V4L2_SCENE_MODE_NONE */
COMM_SCENE_MODE_AGAINST_LIGHT,/* V4L2_SCENE_MODE_BACKLIGHT */
COMM_SCENE_MODE_BEACH, /* V4L2_SCENE_MODE_BEACH_SNOW */
COMM_SCENE_MODE_CANDLE, /* V4L2_SCENE_MODE_CANDLE_LIGHT */
COMM_SCENE_MODE_DAWN, /* V4L2_SCENE_MODE_DAWN_DUSK */
COMM_SCENE_MODE_FALL, /* V4L2_SCENE_MODE_FALL_COLORS */
COMM_SCENE_MODE_FIRE, /* V4L2_SCENE_MODE_FIREWORKS */
COMM_SCENE_MODE_LANDSCAPE, /* V4L2_SCENE_MODE_LANDSCAPE */
COMM_SCENE_MODE_NIGHT, /* V4L2_SCENE_MODE_NIGHT */
COMM_SCENE_MODE_INDOOR, /* V4L2_SCENE_MODE_PARTY_INDOOR */
COMM_SCENE_MODE_PORTRAIT, /* V4L2_SCENE_MODE_PORTRAIT */
COMM_SCENE_MODE_SPORTS, /* V4L2_SCENE_MODE_SPORTS */
COMM_SCENE_MODE_SUNSET, /* V4L2_SCENE_MODE_SUNSET */
COMM_SCENE_MODE_TEXT, /* V4L2_SCENE_MODE_TEXT */
};
v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, "Setting %s scene mode\n",
v4l2_ctrl_get_menu(state->ctrls.scene_mode->id)[val]);
return s5c73m3_isp_command(state, COMM_SCENE_MODE, scene_lookup[val]);
}
static int s5c73m3_set_power_line_freq(struct s5c73m3 *state, int val)
{
unsigned int pwr_line_freq = COMM_FLICKER_NONE;
switch (val) {
case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
pwr_line_freq = COMM_FLICKER_NONE;
break;
case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
pwr_line_freq = COMM_FLICKER_AUTO_50HZ;
break;
case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
pwr_line_freq = COMM_FLICKER_AUTO_60HZ;
break;
default:
case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
pwr_line_freq = COMM_FLICKER_NONE;
}
return s5c73m3_isp_command(state, COMM_FLICKER_MODE, pwr_line_freq);
}
static int s5c73m3_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
int ret = 0;
v4l2_dbg(1, s5c73m3_dbg, sd, "set_ctrl: %s, value: %d\n",
ctrl->name, ctrl->val);
mutex_lock(&state->lock);
/*
* If the device is not powered up by the host driver do
* not apply any controls to H/W at this time. Instead
* the controls will be restored right after power-up.
*/
if (state->power == 0)
goto unlock;
if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) {
ret = -EINVAL;
goto unlock;
}
switch (ctrl->id) {
case V4L2_CID_3A_LOCK:
ret = s5c73m3_3a_lock(state, ctrl);
break;
case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
ret = s5c73m3_set_white_balance(state, ctrl->val);
break;
case V4L2_CID_CONTRAST:
ret = s5c73m3_set_contrast(state, ctrl->val);
break;
case V4L2_CID_COLORFX:
ret = s5c73m3_set_colorfx(state, ctrl->val);
break;
case V4L2_CID_EXPOSURE_AUTO:
ret = s5c73m3_set_exposure(state, ctrl->val);
break;
case V4L2_CID_FOCUS_AUTO:
ret = s5c73m3_set_auto_focus(state, ctrl->val);
break;
case V4L2_CID_IMAGE_STABILIZATION:
ret = s5c73m3_set_stabilization(state, ctrl->val);
break;
case V4L2_CID_ISO_SENSITIVITY:
ret = s5c73m3_set_iso(state, ctrl->val);
break;
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
ret = s5c73m3_set_jpeg_quality(state, ctrl->val);
break;
case V4L2_CID_POWER_LINE_FREQUENCY:
ret = s5c73m3_set_power_line_freq(state, ctrl->val);
break;
case V4L2_CID_SATURATION:
ret = s5c73m3_set_saturation(state, ctrl->val);
break;
case V4L2_CID_SCENE_MODE:
ret = s5c73m3_set_scene_program(state, ctrl->val);
break;
case V4L2_CID_SHARPNESS:
ret = s5c73m3_set_sharpness(state, ctrl->val);
break;
case V4L2_CID_WIDE_DYNAMIC_RANGE:
ret = s5c73m3_isp_command(state, COMM_WDR, !!ctrl->val);
break;
case V4L2_CID_ZOOM_ABSOLUTE:
ret = s5c73m3_isp_command(state, COMM_ZOOM_STEP, ctrl->val);
break;
}
unlock:
mutex_unlock(&state->lock);
return ret;
}
static const struct v4l2_ctrl_ops s5c73m3_ctrl_ops = {
.g_volatile_ctrl = s5c73m3_g_volatile_ctrl,
.s_ctrl = s5c73m3_s_ctrl,
};
/* Supported manual ISO values */
static const s64 iso_qmenu[] = {
/* COMM_ISO: 0x0001...0x0004 */
100, 200, 400, 800,
};
/* Supported exposure bias values (-2.0EV...+2.0EV) */
static const s64 ev_bias_qmenu[] = {
/* COMM_EV: 0x0000...0x0008 */
-2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
};
int s5c73m3_init_controls(struct s5c73m3 *state)
{
const struct v4l2_ctrl_ops *ops = &s5c73m3_ctrl_ops;
struct s5c73m3_ctrls *ctrls = &state->ctrls;
struct v4l2_ctrl_handler *hdl = &ctrls->handler;
int ret = v4l2_ctrl_handler_init(hdl, 22);
if (ret)
return ret;
/* White balance */
ctrls->auto_wb = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
9, ~0x15e, V4L2_WHITE_BALANCE_AUTO);
/* Exposure (only automatic exposure) */
ctrls->auto_exposure = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_EXPOSURE_AUTO, 0, ~0x01, V4L2_EXPOSURE_AUTO);
ctrls->exposure_bias = v4l2_ctrl_new_int_menu(hdl, ops,
V4L2_CID_AUTO_EXPOSURE_BIAS,
ARRAY_SIZE(ev_bias_qmenu) - 1,
ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
ev_bias_qmenu);
ctrls->exposure_metering = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_EXPOSURE_METERING,
2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
/* Auto focus */
ctrls->focus_auto = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_FOCUS_AUTO, 0, 1, 1, 0);
ctrls->af_start = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_AUTO_FOCUS_START, 0, 1, 1, 0);
ctrls->af_stop = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_AUTO_FOCUS_STOP, 0, 1, 1, 0);
ctrls->af_status = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_AUTO_FOCUS_STATUS, 0,
(V4L2_AUTO_FOCUS_STATUS_BUSY |
V4L2_AUTO_FOCUS_STATUS_REACHED |
V4L2_AUTO_FOCUS_STATUS_FAILED),
0, V4L2_AUTO_FOCUS_STATUS_IDLE);
ctrls->af_distance = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_AUTO_FOCUS_RANGE,
V4L2_AUTO_FOCUS_RANGE_MACRO,
~(1 << V4L2_AUTO_FOCUS_RANGE_NORMAL |
1 << V4L2_AUTO_FOCUS_RANGE_MACRO),
V4L2_AUTO_FOCUS_RANGE_NORMAL);
/* ISO sensitivity */
ctrls->auto_iso = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
V4L2_ISO_SENSITIVITY_AUTO);
ctrls->iso = v4l2_ctrl_new_int_menu(hdl, ops,
V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
ctrls->contrast = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_CONTRAST, -2, 2, 1, 0);
ctrls->saturation = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_SATURATION, -2, 2, 1, 0);
ctrls->sharpness = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_SHARPNESS, -2, 2, 1, 0);
ctrls->zoom = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_ZOOM_ABSOLUTE, 0, 30, 1, 0);
ctrls->colorfx = v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX,
V4L2_COLORFX_AQUA, ~0x40f, V4L2_COLORFX_NONE);
ctrls->wdr = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
ctrls->stabilization = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY,
V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
ctrls->jpeg_quality = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
ctrls->scene_mode = v4l2_ctrl_new_std_menu(hdl, ops,
V4L2_CID_SCENE_MODE, V4L2_SCENE_MODE_TEXT, ~0x3fff,
V4L2_SCENE_MODE_NONE);
ctrls->aaa_lock = v4l2_ctrl_new_std(hdl, ops,
V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
if (hdl->error) {
ret = hdl->error;
v4l2_ctrl_handler_free(hdl);
return ret;
}
v4l2_ctrl_auto_cluster(3, &ctrls->auto_exposure, 0, false);
ctrls->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
V4L2_CTRL_FLAG_UPDATE;
v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, 0, false);
ctrls->af_status->flags |= V4L2_CTRL_FLAG_VOLATILE;
v4l2_ctrl_cluster(6, &ctrls->focus_auto);
state->sensor_sd.ctrl_handler = hdl;
return 0;
}
drivers/media/i2c/s5c73m3/s5c73m3-spi.c 0 → 100644
浏览文件 @ cac47f18
/*
* Samsung LSI S5C73M3 8M pixel camera driver
*
* Copyright (C) 2012, Samsung Electronics, Co., Ltd.
* Sylwester Nawrocki <s.nawrocki@samsung.com>
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/sizes.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/media.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include "s5c73m3.h"
#define S5C73M3_SPI_DRV_NAME "S5C73M3-SPI"
enum spi_direction {
SPI_DIR_RX,
SPI_DIR_TX
};
static int spi_xmit(struct spi_device *spi_dev, void *addr, const int len,
enum spi_direction dir)
{
struct spi_message msg;
int r;
struct spi_transfer xfer = {
.len = len,
};
if (dir == SPI_DIR_TX)
xfer.tx_buf = addr;
else
xfer.rx_buf = addr;
if (spi_dev == NULL) {
dev_err(&spi_dev->dev, "SPI device is uninitialized\n");
return -ENODEV;
}
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
r = spi_sync(spi_dev, &msg);
if (r < 0)
dev_err(&spi_dev->dev, "%s spi_sync failed %d\n", __func__, r);
return r;
}
int s5c73m3_spi_write(struct s5c73m3 *state, const void *addr,
const unsigned int len, const unsigned int tx_size)
{
struct spi_device *spi_dev = state->spi_dev;
u32 count = len / tx_size;
u32 extra = len % tx_size;
unsigned int i, j = 0;
u8 padding[32];
int r = 0;
memset(padding, 0, sizeof(padding));
for (i = 0; i < count ; i++) {
r = spi_xmit(spi_dev, (void *)addr + j, tx_size, SPI_DIR_TX);
if (r < 0)
return r;
j += tx_size;
}
if (extra > 0) {
r = spi_xmit(spi_dev, (void *)addr + j, extra, SPI_DIR_TX);
if (r < 0)
return r;
}
return spi_xmit(spi_dev, padding, sizeof(padding), SPI_DIR_TX);
}
int s5c73m3_spi_read(struct s5c73m3 *state, void *addr,
const unsigned int len, const unsigned int tx_size)
{
struct spi_device *spi_dev = state->spi_dev;
u32 count = len / tx_size;
u32 extra = len % tx_size;
unsigned int i, j = 0;
int r = 0;
for (i = 0; i < count ; i++) {
r = spi_xmit(spi_dev, addr + j, tx_size, SPI_DIR_RX);
if (r < 0)
return r;
j += tx_size;
}
if (extra > 0)
return spi_xmit(spi_dev, addr + j, extra, SPI_DIR_RX);
return 0;
}
static int __devinit s5c73m3_spi_probe(struct spi_device *spi)
{
int r;
struct s5c73m3 *state = container_of(spi->dev.driver, struct s5c73m3,
spidrv.driver);
spi->bits_per_word = 32;
r = spi_setup(spi);
if (r < 0) {
dev_err(&spi->dev, "spi_setup() failed\n");
return r;
}
mutex_lock(&state->lock);
state->spi_dev = spi;
mutex_unlock(&state->lock);
v4l2_info(&state->sensor_sd, "S5C73M3 SPI probed successfully\n");
return 0;
}
static int __devexit s5c73m3_spi_remove(struct spi_device *spi)
{
return 0;
}
int s5c73m3_register_spi_driver(struct s5c73m3 *state)
{
struct spi_driver *spidrv = &state->spidrv;
spidrv->remove = __devexit_p(s5c73m3_spi_remove);
spidrv->probe = s5c73m3_spi_probe;
spidrv->driver.name = S5C73M3_SPI_DRV_NAME;
spidrv->driver.bus = &spi_bus_type;
spidrv->driver.owner = THIS_MODULE;
return spi_register_driver(spidrv);
}
void s5c73m3_unregister_spi_driver(struct s5c73m3 *state)
{
spi_unregister_driver(&state->spidrv);
}
drivers/media/i2c/s5c73m3/s5c73m3.h 0 → 100644
浏览文件 @ cac47f18
/*
* Samsung LSI S5C73M3 8M pixel camera driver
*
* Copyright (C) 2012, Samsung Electronics, Co., Ltd.
* Sylwester Nawrocki <s.nawrocki@samsung.com>
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef S5C73M3_H_
#define S5C73M3_H_
#include <linux/kernel.h>
#include <linux/regulator/consumer.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <media/s5c73m3.h>
#define DRIVER_NAME "S5C73M3"
#define S5C73M3_ISP_FMT V4L2_MBUS_FMT_VYUY8_2X8
#define S5C73M3_JPEG_FMT V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8
/* Subdevs pad index definitions */
enum s5c73m3_pads {
S5C73M3_ISP_PAD,
S5C73M3_JPEG_PAD,
S5C73M3_NUM_PADS
};
enum s5c73m3_oif_pads {
OIF_ISP_PAD,
OIF_JPEG_PAD,
OIF_SOURCE_PAD,
OIF_NUM_PADS
};
#define S5C73M3_SENSOR_FW_LEN 6
#define S5C73M3_SENSOR_TYPE_LEN 12
#define S5C73M3_REG(_addrh, _addrl) (((_addrh) << 16) | _addrl)
#define AHB_MSB_ADDR_PTR 0xfcfc
#define REG_CMDWR_ADDRH 0x0050
#define REG_CMDWR_ADDRL 0x0054
#define REG_CMDRD_ADDRH 0x0058
#define REG_CMDRD_ADDRL 0x005c
#define REG_CMDBUF_ADDR 0x0f14
#define REG_I2C_SEQ_STATUS S5C73M3_REG(0x0009, 0x59A6)
#define SEQ_END_PLL (1<<0x0)
#define SEQ_END_SENSOR (1<<0x1)
#define SEQ_END_GPIO (1<<0x2)
#define SEQ_END_FROM (1<<0x3)
#define SEQ_END_STABLE_AE_AWB (1<<0x4)
#define SEQ_END_READY_I2C_CMD (1<<0x5)
#define REG_I2C_STATUS S5C73M3_REG(0x0009, 0x599E)
#define I2C_STATUS_CIS_I2C (1<<0x0)
#define I2C_STATUS_AF_INIT (1<<0x1)
#define I2C_STATUS_CAL_DATA (1<<0x2)
#define I2C_STATUS_FRAME_COUNT (1<<0x3)
#define I2C_STATUS_FROM_INIT (1<<0x4)
#define I2C_STATUS_I2C_CIS_STREAM_OFF (1<<0x5)
#define I2C_STATUS_I2C_N_CMD_OVER (1<<0x6)
#define I2C_STATUS_I2C_N_CMD_MISMATCH (1<<0x7)
#define I2C_STATUS_CHECK_BIN_CRC (1<<0x8)
#define I2C_STATUS_EXCEPTION (1<<0x9)
#define I2C_STATUS_INIF_INIT_STATE (0x8)
#define REG_STATUS S5C73M3_REG(0x0009, 0x5080)
#define REG_STATUS_BOOT_SUB_MAIN_ENTER 0xff01
#define REG_STATUS_BOOT_SRAM_TIMING_OK 0xff02
#define REG_STATUS_BOOT_INTERRUPTS_EN 0xff03
#define REG_STATUS_BOOT_R_PLL_DONE 0xff04
#define REG_STATUS_BOOT_R_PLL_LOCKTIME_DONE 0xff05
#define REG_STATUS_BOOT_DELAY_COUNT_DONE 0xff06
#define REG_STATUS_BOOT_I_PLL_DONE 0xff07
#define REG_STATUS_BOOT_I_PLL_LOCKTIME_DONE 0xff08
#define REG_STATUS_BOOT_PLL_INIT_OK 0xff09
#define REG_STATUS_BOOT_SENSOR_INIT_OK 0xff0a
#define REG_STATUS_BOOT_GPIO_SETTING_OK 0xff0b
#define REG_STATUS_BOOT_READ_CAL_DATA_OK 0xff0c
#define REG_STATUS_BOOT_STABLE_AE_AWB_OK 0xff0d
#define REG_STATUS_ISP_COMMAND_COMPLETED 0xffff
#define REG_STATUS_EXCEPTION_OCCURED 0xdead
#define COMM_RESULT_OFFSET S5C73M3_REG(0x0009, 0x5000)
#define COMM_IMG_OUTPUT 0x0902
#define COMM_IMG_OUTPUT_HDR 0x0008
#define COMM_IMG_OUTPUT_YUV 0x0009
#define COMM_IMG_OUTPUT_INTERLEAVED 0x000d
#define COMM_STILL_PRE_FLASH 0x0a00
#define COMM_STILL_PRE_FLASH_FIRE 0x0000
#define COMM_STILL_PRE_FLASH_NON_FIRED 0x0000
#define COMM_STILL_PRE_FLASH_FIRED 0x0001
#define COMM_STILL_MAIN_FLASH 0x0a02
#define COMM_STILL_MAIN_FLASH_CANCEL 0x0001
#define COMM_STILL_MAIN_FLASH_FIRE 0x0002
#define COMM_ZOOM_STEP 0x0b00
#define COMM_IMAGE_EFFECT 0x0b0a
#define COMM_IMAGE_EFFECT_NONE 0x0001
#define COMM_IMAGE_EFFECT_NEGATIVE 0x0002
#define COMM_IMAGE_EFFECT_AQUA 0x0003
#define COMM_IMAGE_EFFECT_SEPIA 0x0004
#define COMM_IMAGE_EFFECT_MONO 0x0005
#define COMM_IMAGE_QUALITY 0x0b0c
#define COMM_IMAGE_QUALITY_SUPERFINE 0x0000
#define COMM_IMAGE_QUALITY_FINE 0x0001
#define COMM_IMAGE_QUALITY_NORMAL 0x0002
#define COMM_FLASH_MODE 0x0b0e
#define COMM_FLASH_MODE_OFF 0x0000
#define COMM_FLASH_MODE_ON 0x0001
#define COMM_FLASH_MODE_AUTO 0x0002
#define COMM_FLASH_STATUS 0x0b80
#define COMM_FLASH_STATUS_OFF 0x0001
#define COMM_FLASH_STATUS_ON 0x0002
#define COMM_FLASH_STATUS_AUTO 0x0003
#define COMM_FLASH_TORCH 0x0b12
#define COMM_FLASH_TORCH_OFF 0x0000
#define COMM_FLASH_TORCH_ON 0x0001
#define COMM_AE_NEEDS_FLASH 0x0cba
#define COMM_AE_NEEDS_FLASH_OFF 0x0000
#define COMM_AE_NEEDS_FLASH_ON 0x0001
#define COMM_CHG_MODE 0x0b10
#define COMM_CHG_MODE_NEW 0x8000
#define COMM_CHG_MODE_SUBSAMPLING_HALF 0x2000
#define COMM_CHG_MODE_SUBSAMPLING_QUARTER 0x4000
#define COMM_CHG_MODE_YUV_320_240 0x0001
#define COMM_CHG_MODE_YUV_640_480 0x0002
#define COMM_CHG_MODE_YUV_880_720 0x0003
#define COMM_CHG_MODE_YUV_960_720 0x0004
#define COMM_CHG_MODE_YUV_1184_666 0x0005
#define COMM_CHG_MODE_YUV_1280_720 0x0006
#define COMM_CHG_MODE_YUV_1536_864 0x0007
#define COMM_CHG_MODE_YUV_1600_1200 0x0008
#define COMM_CHG_MODE_YUV_1632_1224 0x0009
#define COMM_CHG_MODE_YUV_1920_1080 0x000a
#define COMM_CHG_MODE_YUV_1920_1440 0x000b
#define COMM_CHG_MODE_YUV_2304_1296 0x000c
#define COMM_CHG_MODE_YUV_3264_2448 0x000d
#define COMM_CHG_MODE_YUV_352_288 0x000e
#define COMM_CHG_MODE_YUV_1008_672 0x000f
#define COMM_CHG_MODE_JPEG_640_480 0x0010
#define COMM_CHG_MODE_JPEG_800_450 0x0020
#define COMM_CHG_MODE_JPEG_800_600 0x0030
#define COMM_CHG_MODE_JPEG_1280_720 0x0040
#define COMM_CHG_MODE_JPEG_1280_960 0x0050
#define COMM_CHG_MODE_JPEG_1600_900 0x0060
#define COMM_CHG_MODE_JPEG_1600_1200 0x0070
#define COMM_CHG_MODE_JPEG_2048_1152 0x0080
#define COMM_CHG_MODE_JPEG_2048_1536 0x0090
#define COMM_CHG_MODE_JPEG_2560_1440 0x00a0
#define COMM_CHG_MODE_JPEG_2560_1920 0x00b0
#define COMM_CHG_MODE_JPEG_3264_2176 0x00c0
#define COMM_CHG_MODE_JPEG_1024_768 0x00d0
#define COMM_CHG_MODE_JPEG_3264_1836 0x00e0
#define COMM_CHG_MODE_JPEG_3264_2448 0x00f0
#define COMM_AF_CON 0x0e00
#define COMM_AF_CON_STOP 0x0000
#define COMM_AF_CON_SCAN 0x0001 /* Full Search */
#define COMM_AF_CON_START 0x0002 /* Fast Search */
#define COMM_AF_CAL 0x0e06
#define COMM_AF_TOUCH_AF 0x0e0a
#define REG_AF_STATUS S5C73M3_REG(0x0009, 0x5e80)
#define REG_CAF_STATUS_FIND_SEARCH_DIR 0x0001
#define REG_CAF_STATUS_FOCUSING 0x0002
#define REG_CAF_STATUS_FOCUSED 0x0003
#define REG_CAF_STATUS_UNFOCUSED 0x0004
#define REG_AF_STATUS_INVALID 0x0010
#define REG_AF_STATUS_FOCUSING 0x0020
#define REG_AF_STATUS_FOCUSED 0x0030
#define REG_AF_STATUS_UNFOCUSED 0x0040
#define REG_AF_TOUCH_POSITION S5C73M3_REG(0x0009, 0x5e8e)
#define COMM_AF_FACE_ZOOM 0x0e10
#define COMM_AF_MODE 0x0e02
#define COMM_AF_MODE_NORMAL 0x0000
#define COMM_AF_MODE_MACRO 0x0001
#define COMM_AF_MODE_MOVIE_CAF_START 0x0002
#define COMM_AF_MODE_MOVIE_CAF_STOP 0x0003
#define COMM_AF_MODE_PREVIEW_CAF_START 0x0004
#define COMM_AF_MODE_PREVIEW_CAF_STOP 0x0005
#define COMM_AF_SOFTLANDING 0x0e16
#define COMM_AF_SOFTLANDING_ON 0x0000
#define COMM_AF_SOFTLANDING_RES_COMPLETE 0x0001
#define COMM_FACE_DET 0x0e0c
#define COMM_FACE_DET_OFF 0x0000
#define COMM_FACE_DET_ON 0x0001
#define COMM_FACE_DET_OSD 0x0e0e
#define COMM_FACE_DET_OSD_OFF 0x0000
#define COMM_FACE_DET_OSD_ON 0x0001
#define COMM_AE_CON 0x0c00
#define COMM_AE_STOP 0x0000 /* lock */
#define COMM_AE_START 0x0001 /* unlock */
#define COMM_ISO 0x0c02
#define COMM_ISO_AUTO 0x0000
#define COMM_ISO_100 0x0001
#define COMM_ISO_200 0x0002
#define COMM_ISO_400 0x0003
#define COMM_ISO_800 0x0004
#define COMM_ISO_SPORTS 0x0005
#define COMM_ISO_NIGHT 0x0006
#define COMM_ISO_INDOOR 0x0007
/* 0x00000 (-2.0 EV)...0x0008 (2.0 EV), 0.5EV step */
#define COMM_EV 0x0c04
#define COMM_METERING 0x0c06
#define COMM_METERING_CENTER 0x0000
#define COMM_METERING_SPOT 0x0001
#define COMM_METERING_AVERAGE 0x0002
#define COMM_METERING_SMART 0x0003
#define COMM_WDR 0x0c08
#define COMM_WDR_OFF 0x0000
#define COMM_WDR_ON 0x0001
#define COMM_FLICKER_MODE 0x0c12
#define COMM_FLICKER_NONE 0x0000
#define COMM_FLICKER_MANUAL_50HZ 0x0001
#define COMM_FLICKER_MANUAL_60HZ 0x0002
#define COMM_FLICKER_AUTO 0x0003
#define COMM_FLICKER_AUTO_50HZ 0x0004
#define COMM_FLICKER_AUTO_60HZ 0x0005
#define COMM_FRAME_RATE 0x0c1e
#define COMM_FRAME_RATE_AUTO_SET 0x0000
#define COMM_FRAME_RATE_FIXED_30FPS 0x0002
#define COMM_FRAME_RATE_FIXED_20FPS 0x0003
#define COMM_FRAME_RATE_FIXED_15FPS 0x0004
#define COMM_FRAME_RATE_FIXED_60FPS 0x0007
#define COMM_FRAME_RATE_FIXED_120FPS 0x0008
#define COMM_FRAME_RATE_FIXED_7FPS 0x0009
#define COMM_FRAME_RATE_FIXED_10FPS 0x000a
#define COMM_FRAME_RATE_FIXED_90FPS 0x000b
#define COMM_FRAME_RATE_ANTI_SHAKE 0x0013
/* 0x0000...0x0004 -> sharpness: 0, 1, 2, -1, -2 */
#define COMM_SHARPNESS 0x0c14
/* 0x0000...0x0004 -> saturation: 0, 1, 2, -1, -2 */
#define COMM_SATURATION 0x0c16
/* 0x0000...0x0004 -> contrast: 0, 1, 2, -1, -2 */
#define COMM_CONTRAST 0x0c18
#define COMM_SCENE_MODE 0x0c1a
#define COMM_SCENE_MODE_NONE 0x0000
#define COMM_SCENE_MODE_PORTRAIT 0x0001
#define COMM_SCENE_MODE_LANDSCAPE 0x0002
#define COMM_SCENE_MODE_SPORTS 0x0003
#define COMM_SCENE_MODE_INDOOR 0x0004
#define COMM_SCENE_MODE_BEACH 0x0005
#define COMM_SCENE_MODE_SUNSET 0x0006
#define COMM_SCENE_MODE_DAWN 0x0007
#define COMM_SCENE_MODE_FALL 0x0008
#define COMM_SCENE_MODE_NIGHT 0x0009
#define COMM_SCENE_MODE_AGAINST_LIGHT 0x000a
#define COMM_SCENE_MODE_FIRE 0x000b
#define COMM_SCENE_MODE_TEXT 0x000c
#define COMM_SCENE_MODE_CANDLE 0x000d
#define COMM_AE_AUTO_BRACKET 0x0b14
#define COMM_AE_AUTO_BRAKET_EV05 0x0080
#define COMM_AE_AUTO_BRAKET_EV10 0x0100
#define COMM_AE_AUTO_BRAKET_EV15 0x0180
#define COMM_AE_AUTO_BRAKET_EV20 0x0200
#define COMM_SENSOR_STREAMING 0x090a
#define COMM_SENSOR_STREAMING_OFF 0x0000
#define COMM_SENSOR_STREAMING_ON 0x0001
#define COMM_AWB_MODE 0x0d02
#define COMM_AWB_MODE_INCANDESCENT 0x0000
#define COMM_AWB_MODE_FLUORESCENT1 0x0001
#define COMM_AWB_MODE_FLUORESCENT2 0x0002
#define COMM_AWB_MODE_DAYLIGHT 0x0003
#define COMM_AWB_MODE_CLOUDY 0x0004
#define COMM_AWB_MODE_AUTO 0x0005
#define COMM_AWB_CON 0x0d00
#define COMM_AWB_STOP 0x0000 /* lock */
#define COMM_AWB_START 0x0001 /* unlock */
#define COMM_FW_UPDATE 0x0906
#define COMM_FW_UPDATE_NOT_READY 0x0000
#define COMM_FW_UPDATE_SUCCESS 0x0005
#define COMM_FW_UPDATE_FAIL 0x0007
#define COMM_FW_UPDATE_BUSY 0xffff
#define S5C73M3_MAX_SUPPLIES 6
struct s5c73m3_ctrls {
struct v4l2_ctrl_handler handler;
struct {
/* exposure/exposure bias cluster */
struct v4l2_ctrl *auto_exposure;
struct v4l2_ctrl *exposure_bias;
struct v4l2_ctrl *exposure_metering;
};
struct {
/* iso/auto iso cluster */
struct v4l2_ctrl *auto_iso;
struct v4l2_ctrl *iso;
};
struct v4l2_ctrl *auto_wb;
struct {
/* continuous auto focus/auto focus cluster */
struct v4l2_ctrl *focus_auto;
struct v4l2_ctrl *af_start;
struct v4l2_ctrl *af_stop;
struct v4l2_ctrl *af_status;
struct v4l2_ctrl *af_distance;
};
struct v4l2_ctrl *aaa_lock;
struct v4l2_ctrl *colorfx;
struct v4l2_ctrl *contrast;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *sharpness;
struct v4l2_ctrl *zoom;
struct v4l2_ctrl *wdr;
struct v4l2_ctrl *stabilization;
struct v4l2_ctrl *jpeg_quality;
struct v4l2_ctrl *scene_mode;
};
enum s5c73m3_gpio_id {
STBY,
RST,
GPIO_NUM,
};
enum s5c73m3_resolution_types {
RES_ISP,
RES_JPEG,
};
struct s5c73m3_interval {
u16 fps_reg;
struct v4l2_fract interval;
/* Maximum rectangle for the interval */
struct v4l2_frmsize_discrete size;
};
struct s5c73m3 {
struct v4l2_subdev sensor_sd;
struct media_pad sensor_pads[S5C73M3_NUM_PADS];
struct v4l2_subdev oif_sd;
struct media_pad oif_pads[OIF_NUM_PADS];
struct spi_driver spidrv;
struct spi_device *spi_dev;
struct i2c_client *i2c_client;
u32 i2c_write_address;
u32 i2c_read_address;
struct regulator_bulk_data supplies[S5C73M3_MAX_SUPPLIES];
struct s5c73m3_gpio gpio[GPIO_NUM];
/* External master clock frequency */
u32 mclk_frequency;
/* Video bus type - MIPI-CSI2/paralell */
enum v4l2_mbus_type bus_type;
const struct s5c73m3_frame_size *sensor_pix_size[2];
const struct s5c73m3_frame_size *oif_pix_size[2];
enum v4l2_mbus_pixelcode mbus_code;
const struct s5c73m3_interval *fiv;
struct v4l2_mbus_frame_desc frame_desc;
/* protects the struct members below */
struct mutex lock;
struct s5c73m3_ctrls ctrls;
u8 streaming:1;
u8 apply_fmt:1;
u8 apply_fiv:1;
u8 isp_ready:1;
short power;
char sensor_fw[S5C73M3_SENSOR_FW_LEN + 2];
char sensor_type[S5C73M3_SENSOR_TYPE_LEN + 2];
char fw_file_version[2];
unsigned int fw_size;
};
struct s5c73m3_frame_size {
u32 width;
u32 height;
u8 reg_val;
};
extern int s5c73m3_dbg;
int s5c73m3_register_spi_driver(struct s5c73m3 *state);
void s5c73m3_unregister_spi_driver(struct s5c73m3 *state);
int s5c73m3_spi_write(struct s5c73m3 *state, const void *addr,
const unsigned int len, const unsigned int tx_size);
int s5c73m3_spi_read(struct s5c73m3 *state, void *addr,
const unsigned int len, const unsigned int tx_size);
int s5c73m3_read(struct s5c73m3 *state, u32 addr, u16 *data);
int s5c73m3_write(struct s5c73m3 *state, u32 addr, u16 data);
int s5c73m3_isp_command(struct s5c73m3 *state, u16 command, u16 data);
int s5c73m3_init_controls(struct s5c73m3 *state);
static inline struct v4l2_subdev *ctrl_to_sensor_sd(struct v4l2_ctrl *ctrl)
{
return &container_of(ctrl->handler, struct s5c73m3,
ctrls.handler)->sensor_sd;
}
static inline struct s5c73m3 *sensor_sd_to_s5c73m3(struct v4l2_subdev *sd)
{
return container_of(sd, struct s5c73m3, sensor_sd);
}
static inline struct s5c73m3 *oif_sd_to_s5c73m3(struct v4l2_subdev *sd)
{
return container_of(sd, struct s5c73m3, oif_sd);
}
#endif /* S5C73M3_H_ */
include/media/s5c73m3.h 0 → 100644
浏览文件 @ cac47f18
/*
* Samsung LSI S5C73M3 8M pixel camera driver
*
* Copyright (C) 2012, Samsung Electronics, Co., Ltd.
* Sylwester Nawrocki <s.nawrocki@samsung.com>
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef MEDIA_S5C73M3__
#define MEDIA_S5C73M3__
#include <linux/videodev2.h>
#include <media/v4l2-mediabus.h>
/**
* struct s5c73m3_gpio - data structure describing a GPIO
* @gpio: GPIO number
* @level: indicates active state of the @gpio
*/
struct s5c73m3_gpio {
int gpio;
int level;
};
/**
* struct s5c73m3_platform_data - s5c73m3 driver platform data
* @mclk_frequency: sensor's master clock frequency in Hz
* @gpio_reset: GPIO driving RESET pin
* @gpio_stby: GPIO driving STBY pin
* @nlanes: maximum number of MIPI-CSI lanes used
* @horiz_flip: default horizontal image flip value, non zero to enable
* @vert_flip: default vertical image flip value, non zero to enable
*/
struct s5c73m3_platform_data {
unsigned long mclk_frequency;
struct s5c73m3_gpio gpio_reset;
struct s5c73m3_gpio gpio_stby;
enum v4l2_mbus_type bus_type;
u8 nlanes;
u8 horiz_flip;
u8 vert_flip;
};
#endif /* MEDIA_S5C73M3__ */
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