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media: soc_camera: add camera sensor sc2232

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Change-Id: I26e8291d5fd779d7c8cda80921d21aa57d000aac
Signed-off-by: Yiqing Zeng <zack.zeng@rock-chips.com>
This commit is contained in:
Yiqing Zeng
2019-01-09 19:42:01 +08:00
committed by Tao Huang
parent d899b036e2
commit 5c9731114e
3 changed files with 852 additions and 0 deletions
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7
drivers/media/i2c/soc_camera/rockchip/Kconfig
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@@ -96,3 +96,10 @@ config VIDEO_SC031GS
default n
help
This is sc031gs camera driver adapt to rockchip cif isp platform.
config VIDEO_SC2232
tristate "sc2232 driver adapt to rockchip cif isp platform"
depends on VIDEO_V4L2 && VIDEO_RK_CIF_ISP10 && I2C
default n
help
This is sc2232 camera driver adapt to rockchip cif isp platform.

1
drivers/media/i2c/soc_camera/rockchip/Makefile
View File

@@ -13,3 +13,4 @@ obj-$(CONFIG_VIDEO_OV9281) += ov_camera_module.o rk_camera_module.o ov9281_v4l2-
obj-$(CONFIG_VIDEO_OV9750) += ov_camera_module.o rk_camera_module.o ov9750_v4l2-i2c-subdev.o
obj-$(CONFIG_VIDEO_ov5640) += ov_camera_module.o rk_camera_module.o ov5640_v4l2-i2c-subdev.o
obj-$(CONFIG_VIDEO_SC031GS) += sc_camera_module.o rk_camera_module.o sc031gs_v4l2-i2c-subdev.o
obj-$(CONFIG_VIDEO_SC2232) += sc_camera_module.o rk_camera_module.o sc2232_v4l2-i2c-subdev.o

844
drivers/media/i2c/soc_camera/rockchip/sc2232_v4l2-i2c-subdev.c Normal file
View File

@@ -0,0 +1,844 @@
/*
* sc2232 sensor driver
*
* Copyright (C) 2016 Fuzhou Rockchip Electronics Co., Ltd.
*
* Copyright (C) 2012-2014 Intel Mobile Communications GmbH
*
* Copyright (C) 2008 Texas Instruments.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*
* Note:
*
*v0.1.0:
*1. Initialize version;
*
*/
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <media/v4l2-subdev.h>
#include <media/videobuf-core.h>
#include <linux/slab.h>
#include <media/v4l2-controls_rockchip.h>
#include "sc_camera_module.h"
#define SC2232_DRIVER_NAME "sc2232"
#define SC2232_AEC_PK_LONG_GAIN_HIGH_REG 0x3e08
#define SC2232_AEC_PK_LONG_GAIN_LOW_REG 0x3e09
#define SC2232_AEC_PK_LONG_EXPO_HIGH_REG 0x3e01
#define SC2232_AEC_PK_LONG_EXPO_LOW_REG 0x3e02
#define SC2232_AEC_GROUP_UPDATE_ADDRESS 0x3812
#define SC2232_AEC_GROUP_UPDATE_START_DATA 0x00
#define SC2232_AEC_GROUP_UPDATE_END_DATA 0x30
#define SC2232_PIDH_ADDR 0x3107
#define SC2232_PIDL_ADDR 0x3108
/* High byte of product ID */
#define SC2232_PIDH_MAGIC 0x22
/* Low byte of product ID */
#define SC2232_PIDL_MAGIC 0x32
#define SC2232_EXT_CLK 24000000
#define SC2232_TIMING_VTS_HIGH_REG 0x320e
#define SC2232_TIMING_VTS_LOW_REG 0x320f
#define SC2232_TIMING_HTS_HIGH_REG 0x320c
#define SC2232_TIMING_HTS_LOW_REG 0x320d
#define SC2232_FINE_INTG_TIME_MIN 0
#define SC2232_FINE_INTG_TIME_MAX_MARGIN 0
#define SC2232_COARSE_INTG_TIME_MIN 1
#define SC2232_COARSE_INTG_TIME_MAX_MARGIN 4
#define SC2232_HORIZONTAL_OUTPUT_SIZE_HIGH_REG 0x3208
#define SC2232_HORIZONTAL_OUTPUT_SIZE_LOW_REG 0x3209
#define SC2232_VERTICAL_OUTPUT_SIZE_HIGH_REG 0x320a
#define SC2232_VERTICAL_OUTPUT_SIZE_LOW_REG 0x320b
#define SC2232_MIRROR_FILP 0x3221
static struct sc_camera_module sc2232;
/* ======================================================================== */
/* Base sensor configs */
/* ======================================================================== */
/* MCLK:24MHz 1920x1080 30fps mipi 2lane 10bit 390Mbps/lane */
static struct sc_camera_module_reg sc2232_init_tab_1920_1080_30fps[] = {
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x0100, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3001, 0xfe},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3018, 0x33},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3031, 0x0a},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3034, 0x01},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3035, 0x9b},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3037, 0x20},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3038, 0xff},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3039, 0x54},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x303a, 0xb3},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x303b, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x303c, 0x0e},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x320c, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x320d, 0x20},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x320e, 0x04},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x320f, 0xe2},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3211, 0x0c},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3213, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3222, 0x29},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3235, 0x09},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3236, 0xc2},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3301, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3302, 0x1f},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3303, 0x20},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3306, 0x48},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3308, 0x10},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3309, 0x60},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x330b, 0xd3},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x330e, 0x30},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3314, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x331b, 0x83},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x331e, 0x19},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x331f, 0x59},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3320, 0x01},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3326, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3333, 0x30},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x335e, 0x01},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x335f, 0x03},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3366, 0x7c},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3367, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3368, 0x04},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3369, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x336a, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x336b, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x337c, 0x04},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x337d, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x337f, 0x03},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x33a0, 0x05},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x33aa, 0x10},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x360f, 0x01},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3620, 0x28},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3621, 0x28},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3622, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3624, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3625, 0x02},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3630, 0x1c},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3631, 0x84},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3632, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3633, 0x4f},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3635, 0xa0},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3636, 0x25},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3637, 0x59},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3638, 0x1f},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3639, 0x09},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x363b, 0x0b},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x363c, 0x05},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x366e, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x366f, 0x2f},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3670, 0x0c},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3671, 0xc6},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3672, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3673, 0x16},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3677, 0x84},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3678, 0x88},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3679, 0x88},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x367a, 0x28},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x367b, 0x3f},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x367e, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x367f, 0x28},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3690, 0x34},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3691, 0x11},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3692, 0x42},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x369c, 0x08},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x369d, 0x28},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3802, 0x01},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3901, 0x02},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3902, 0x45},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3905, 0x98},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3907, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3908, 0x11},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x391b, 0x80},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e00, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e01, 0x8c},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e02, 0xa0},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e03, 0x03},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e06, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e07, 0x80},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e08, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e09, 0x10},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3e1e, 0x34},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3f00, 0x07},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3f04, 0x03},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x3f05, 0xec},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x4603, 0x00},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x4827, 0x48},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x4837, 0x34},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x5000, 0x06},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x5780, 0xff},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x5781, 0x04},
{SC_CAMERA_MODULE_REG_TYPE_DATA, 0x5785, 0x18},
};
/* ======================================================================== */
static struct sc_camera_module_config sc2232_configs[] = {
{
.name = "1920x1080_30fps",
.frm_fmt = {
.width = 1920,
.height = 1080,
.code = MEDIA_BUS_FMT_SBGGR10_1X10
},
.frm_intrvl = {
.interval = {
.numerator = 1,
.denominator = 30
}
},
.auto_exp_enabled = false,
.auto_gain_enabled = false,
.auto_wb_enabled = false,
.reg_table = (void *)sc2232_init_tab_1920_1080_30fps,
.reg_table_num_entries =
ARRAY_SIZE(sc2232_init_tab_1920_1080_30fps),
.v_blanking_time_us = 3078,
.max_exp_gain_h = 16,
.max_exp_gain_l = 0,
PLTFRM_CAM_ITF_MIPI_CFG(0, 2, 390, SC2232_EXT_CLK)
}
};
static int sc2232_set_flip(struct sc_camera_module *cam_mod,
struct pltfrm_camera_module_reg reglist[],
int len)
{
int i, mode = 0;
u16 orientation = 0;
mode = sc_camera_module_get_flip_mirror(cam_mod);
if (mode == -1) {
sc_camera_module_pr_debug(cam_mod,
"dts don't set flip, return!\n");
return 0;
}
if (!IS_ERR_OR_NULL(cam_mod->active_config)) {
if (mode == SC_MIRROR_BIT_MASK)
orientation |= 0x06;
if (mode == SC_FLIP_BIT_MASK)
orientation |= 0x60;
for (i = 0; i < len; i++) {
if (reglist[i].reg == SC2232_MIRROR_FILP)
reglist[i].val = orientation;
}
}
return 0;
}
static int SC2232_g_VTS(struct sc_camera_module *cam_mod, u32 *vts)
{
u32 msb, lsb;
int ret;
ret = sc_camera_module_read_reg_table(cam_mod,
SC2232_TIMING_VTS_HIGH_REG,
&msb);
if (IS_ERR_VALUE(ret))
goto err;
ret = sc_camera_module_read_reg_table(cam_mod,
SC2232_TIMING_VTS_LOW_REG,
&lsb);
if (IS_ERR_VALUE(ret))
goto err;
*vts = (msb << 8) | lsb;
return 0;
err:
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
static int sc2232_auto_adjust_fps(struct sc_camera_module *cam_mod,
u32 exp_time)
{
int ret;
u32 vts;
exp_time = exp_time << 1;
if ((exp_time + SC2232_COARSE_INTG_TIME_MAX_MARGIN) >
2 * cam_mod->vts_min)
vts = (exp_time + SC2232_COARSE_INTG_TIME_MAX_MARGIN) >> 1;
else
vts = cam_mod->vts_min;
ret = sc_camera_module_write_reg(cam_mod,
SC2232_TIMING_VTS_LOW_REG,
vts & 0xFF);
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_TIMING_VTS_HIGH_REG,
(vts >> 8) & 0xFF);
if (IS_ERR_VALUE(ret)) {
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
} else {
sc_camera_module_pr_info(cam_mod,
"updated vts = 0x%x,vts_min=0x%x\n",
vts, cam_mod->vts_min);
cam_mod->vts_cur = vts;
}
return ret;
}
static int sc2232_set_vts(struct sc_camera_module *cam_mod,
u32 vts)
{
int ret = 0;
if (vts <= cam_mod->vts_min)
return ret;
ret = sc_camera_module_write_reg(cam_mod,
SC2232_TIMING_VTS_LOW_REG,
vts & 0xFF);
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_TIMING_VTS_HIGH_REG,
(vts >> 8) & 0xFF);
if (IS_ERR_VALUE(ret)) {
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
} else {
sc_camera_module_pr_info(cam_mod,
"updated vts = 0x%x,vts_min=0x%x\n",
vts, cam_mod->vts_min);
cam_mod->vts_cur = vts;
}
return ret;
}
static int sc2232_write_aec(struct sc_camera_module *cam_mod)
{
int ret = 0;
sc_camera_module_pr_debug(cam_mod,
"exp_time = %d lines, gain = %d, flash_mode = %d\n",
cam_mod->exp_config.exp_time,
cam_mod->exp_config.gain,
cam_mod->exp_config.flash_mode);
/*
* if the sensor is already streaming, write to shadow registers,
* if the sensor is in SW standby, write to active registers,
* if the sensor is off/registers are not writeable, do nothing
*/
if (cam_mod->state == SC_CAMERA_MODULE_SW_STANDBY ||
cam_mod->state == SC_CAMERA_MODULE_STREAMING) {
u32 a_gain = cam_mod->exp_config.gain;
u32 exp_time = cam_mod->exp_config.exp_time;
a_gain = a_gain * cam_mod->exp_config.gain_percent / 100;
if (!IS_ERR_VALUE(ret) && cam_mod->auto_adjust_fps)
ret |= sc2232_auto_adjust_fps(cam_mod,
cam_mod->exp_config.exp_time);
if (a_gain > 0xf04)
a_gain = 0xf04;
exp_time = exp_time << 1;
if (exp_time > 0xfff)
exp_time = 0xfff;
/* hold reg start */
mutex_lock(&cam_mod->lock);
ret = sc_camera_module_write_reg(cam_mod,
SC2232_AEC_GROUP_UPDATE_ADDRESS,
SC2232_AEC_GROUP_UPDATE_START_DATA);
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_AEC_PK_LONG_GAIN_HIGH_REG,
(a_gain >> 8) & 0xff);
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_AEC_PK_LONG_GAIN_LOW_REG,
a_gain & 0xff);
if (a_gain < 0x20) {//1x~2x
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0x06);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x48);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x08);
} else if (a_gain < 0x40) {//2x~4x
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0x14);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x48);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x08);
} else if (a_gain < 0x80) {//4x~8x
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0x18);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x48);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x08);
} else if (a_gain < 0xf8) {//8x~15.5x
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0x13);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x48);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x08);
} else if (a_gain < 0x1f0) {//15.5x~31x
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0xc5);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x78);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x48);
} else {//31x~
ret |= sc_camera_module_write_reg(cam_mod,
0x3301, 0xc5);
ret |= sc_camera_module_write_reg(cam_mod,
0x3306, 0x78);
ret |= sc_camera_module_write_reg(cam_mod,
0x3632, 0x78);
}
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_AEC_PK_LONG_EXPO_HIGH_REG,
(exp_time >> 4) & 0xff);
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_AEC_PK_LONG_EXPO_LOW_REG,
(exp_time & 0xff) << 4);
if (!cam_mod->auto_adjust_fps)
ret |= sc2232_set_vts(cam_mod,
cam_mod->exp_config.vts_value);
/* hold reg end */
ret |= sc_camera_module_write_reg(cam_mod,
SC2232_AEC_GROUP_UPDATE_ADDRESS,
SC2232_AEC_GROUP_UPDATE_END_DATA);
mutex_unlock(&cam_mod->lock);
}
if (IS_ERR_VALUE(ret))
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
static int sc2232_g_ctrl(struct sc_camera_module *cam_mod, u32 ctrl_id)
{
int ret = 0;
sc_camera_module_pr_debug(cam_mod, "\n");
switch (ctrl_id) {
case V4L2_CID_GAIN:
case V4L2_CID_EXPOSURE:
case V4L2_CID_FLASH_LED_MODE:
/* nothing to be done here */
break;
default:
ret = -EINVAL;
break;
}
if (IS_ERR_VALUE(ret))
sc_camera_module_pr_debug(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
static int sc2232_filltimings(struct sc_camera_module_custom_config *custom)
{
int i, j;
u32 win_h_off = 0, win_v_off = 0;
struct sc_camera_module_config *config;
struct sc_camera_module_timings *timings;
struct sc_camera_module_reg *reg_table;
int reg_table_num_entries;
for (i = 0; i < custom->num_configs; i++) {
config = &custom->configs[i];
reg_table = config->reg_table;
reg_table_num_entries = config->reg_table_num_entries;
timings = &config->timings;
memset(timings, 0x00, sizeof(*timings));
for (j = 0; j < reg_table_num_entries; j++) {
switch (reg_table[j].reg) {
case SC2232_TIMING_VTS_HIGH_REG:
if (timings->frame_length_lines & 0xff00)
timings->frame_length_lines = 0;
timings->frame_length_lines =
((reg_table[j].val << 8) |
(timings->frame_length_lines & 0xff));
break;
case SC2232_TIMING_VTS_LOW_REG:
timings->frame_length_lines =
(reg_table[j].val |
(timings->frame_length_lines & 0xff00));
break;
case SC2232_TIMING_HTS_HIGH_REG:
if (timings->line_length_pck & 0xff00)
timings->line_length_pck = 0;
timings->line_length_pck =
((reg_table[j].val << 8) |
timings->line_length_pck);
break;
case SC2232_TIMING_HTS_LOW_REG:
timings->line_length_pck =
(reg_table[j].val |
(timings->line_length_pck & 0xff00));
break;
case SC2232_HORIZONTAL_OUTPUT_SIZE_HIGH_REG:
timings->sensor_output_width =
((reg_table[j].val << 8) |
(timings->sensor_output_width & 0xff));
break;
case SC2232_HORIZONTAL_OUTPUT_SIZE_LOW_REG:
timings->sensor_output_width =
(reg_table[j].val |
(timings->sensor_output_width & 0xff00));
break;
case SC2232_VERTICAL_OUTPUT_SIZE_HIGH_REG:
timings->sensor_output_height =
((reg_table[j].val << 8) |
(timings->sensor_output_height & 0xff));
break;
case SC2232_VERTICAL_OUTPUT_SIZE_LOW_REG:
timings->sensor_output_height =
(reg_table[j].val |
(timings->sensor_output_height & 0xff00));
break;
}
}
timings->crop_horizontal_start += win_h_off;
timings->crop_horizontal_end -= win_h_off;
timings->crop_vertical_start += win_v_off;
timings->crop_vertical_end -= win_v_off;
timings->vt_pix_clk_freq_hz =
config->frm_intrvl.interval.denominator
* timings->frame_length_lines
* timings->line_length_pck;
timings->coarse_integration_time_min =
SC2232_COARSE_INTG_TIME_MIN;
timings->coarse_integration_time_max_margin =
SC2232_COARSE_INTG_TIME_MAX_MARGIN;
/* OV Sensor do not use fine integration time. */
timings->fine_integration_time_min =
SC2232_FINE_INTG_TIME_MIN;
timings->fine_integration_time_max_margin =
SC2232_FINE_INTG_TIME_MAX_MARGIN;
}
return 0;
}
/*--------------------------------------------------------------------------*/
static int sc2232_g_timings(struct sc_camera_module *cam_mod,
struct sc_camera_module_timings *timings)
{
int ret = 0;
unsigned int vts;
if (IS_ERR_OR_NULL(cam_mod->active_config))
goto err;
*timings = cam_mod->active_config->timings;
vts = (!cam_mod->vts_cur) ?
timings->frame_length_lines :
cam_mod->vts_cur;
if (cam_mod->frm_intrvl_valid) {
timings->vt_pix_clk_freq_hz =
cam_mod->frm_intrvl.interval.denominator
* vts
* timings->line_length_pck;
} else {
timings->vt_pix_clk_freq_hz =
cam_mod->active_config->frm_intrvl.interval.denominator
* vts
* timings->line_length_pck;
}
timings->frame_length_lines = vts;
return ret;
err:
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
/*--------------------------------------------------------------------------*/
static int sc2232_s_ctrl(struct sc_camera_module *cam_mod, u32 ctrl_id)
{
int ret = 0;
sc_camera_module_pr_debug(cam_mod, "\n");
switch (ctrl_id) {
case V4L2_CID_GAIN:
case V4L2_CID_EXPOSURE:
ret = sc2232_write_aec(cam_mod);
break;
case V4L2_CID_FLASH_LED_MODE:
/* nothing to be done here */
break;
case V4L2_CID_FOCUS_ABSOLUTE:
/* todo*/
break;
/*
* case RK_V4L2_CID_FPS_CTRL:
* if (cam_mod->auto_adjust_fps)
* ret = OV2740_auto_adjust_fps(
* cam_mod,
* cam_mod->exp_config.exp_time);
* break;
*/
default:
ret = -EINVAL;
break;
}
if (IS_ERR_VALUE(ret))
sc_camera_module_pr_err(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
/*--------------------------------------------------------------------------*/
static int sc2232_s_ext_ctrls(struct sc_camera_module *cam_mod,
struct sc_camera_module_ext_ctrls *ctrls)
{
int ret = 0;
if ((ctrls->ctrls[0].id == V4L2_CID_GAIN ||
ctrls->ctrls[0].id == V4L2_CID_EXPOSURE))
ret = sc2232_write_aec(cam_mod);
else
ret = -EINVAL;
if (IS_ERR_VALUE(ret))
sc_camera_module_pr_debug(cam_mod,
"failed with error (%d)\n", ret);
return ret;
}
/*--------------------------------------------------------------------------*/
static int sc2232_start_streaming(struct sc_camera_module *cam_mod)
{
int ret = 0;
sc_camera_module_pr_info(cam_mod, "active config=%s\n",
cam_mod->active_config->name);
ret = SC2232_g_VTS(cam_mod, &cam_mod->vts_min);
if (IS_ERR_VALUE(ret))
goto err;
mutex_lock(&cam_mod->lock);
ret = sc_camera_module_write_reg(cam_mod, 0x0100, 0x01);
mutex_unlock(&cam_mod->lock);
if (IS_ERR_VALUE(ret))
goto err;
return 0;
err:
sc_camera_module_pr_err(cam_mod, "failed with error (%d)\n", ret);
return ret;
}
/*--------------------------------------------------------------------------*/
static int sc2232_stop_streaming(struct sc_camera_module *cam_mod)
{
int ret = 0;
sc_camera_module_pr_info(cam_mod, "\n");
mutex_lock(&cam_mod->lock);
ret = sc_camera_module_write_reg(cam_mod, 0x0100, 0x00);
mutex_unlock(&cam_mod->lock);
if (IS_ERR_VALUE(ret))
goto err;
return 0;
err:
sc_camera_module_pr_err(cam_mod, "failed with error (%d)\n", ret);
return ret;
}
/*--------------------------------------------------------------------------*/
static int sc2232_check_camera_id(struct sc_camera_module *cam_mod)
{
u32 pidh, pidl;
int ret = 0;
sc_camera_module_pr_debug(cam_mod, "\n");
ret |= sc_camera_module_read_reg(cam_mod, 1,
SC2232_PIDH_ADDR, &pidh);
ret |= sc_camera_module_read_reg(cam_mod, 1,
SC2232_PIDL_ADDR, &pidl);
if (IS_ERR_VALUE(ret)) {
sc_camera_module_pr_err(cam_mod,
"register read failed, camera module powered off?\n");
goto err;
}
if (pidh == SC2232_PIDH_MAGIC && pidl == SC2232_PIDL_MAGIC) {
sc_camera_module_pr_info(cam_mod,
"successfully detected camera ID 0x%02x%02x\n",
pidh, pidl);
} else {
sc_camera_module_pr_err(cam_mod,
"wrong camera ID, expected 0x%02x%02x, detected 0x%02x%02x\n",
SC2232_PIDH_MAGIC, SC2232_PIDL_MAGIC, pidh, pidl);
ret = -EINVAL;
goto err;
}
return 0;
err:
sc_camera_module_pr_err(cam_mod, "failed with error (%d)\n", ret);
return ret;
}
/* ======================================================================== */
/* This part is platform dependent */
/* ======================================================================== */
static struct v4l2_subdev_core_ops sc2232_camera_module_core_ops = {
.g_ctrl = sc_camera_module_g_ctrl,
.s_ctrl = sc_camera_module_s_ctrl,
.s_ext_ctrls = sc_camera_module_s_ext_ctrls,
.s_power = sc_camera_module_s_power,
.ioctl = sc_camera_module_ioctl
};
static struct v4l2_subdev_video_ops sc2232_camera_module_video_ops = {
.s_frame_interval = sc_camera_module_s_frame_interval,
.g_frame_interval = sc_camera_module_g_frame_interval,
.s_stream = sc_camera_module_s_stream
};
static struct v4l2_subdev_pad_ops sc2232_camera_module_pad_ops = {
.enum_frame_interval = sc_camera_module_enum_frameintervals,
.get_fmt = sc_camera_module_g_fmt,
.set_fmt = sc_camera_module_s_fmt,
};
static struct v4l2_subdev_ops sc2232_camera_module_ops = {
.core = &sc2232_camera_module_core_ops,
.video = &sc2232_camera_module_video_ops,
.pad = &sc2232_camera_module_pad_ops
};
static struct sc_camera_module_custom_config sc2232_custom_config = {
.start_streaming = sc2232_start_streaming,
.stop_streaming = sc2232_stop_streaming,
.s_ctrl = sc2232_s_ctrl,
.g_ctrl = sc2232_g_ctrl,
.s_ext_ctrls = sc2232_s_ext_ctrls,
.g_timings = sc2232_g_timings,
.s_vts = sc2232_auto_adjust_fps,
.set_flip = sc2232_set_flip,
.check_camera_id = sc2232_check_camera_id,
.configs = sc2232_configs,
.num_configs = ARRAY_SIZE(sc2232_configs),
.power_up_delays_ms = {5, 30, 30},
.exposure_valid_frame = {4, 4}
};
static int sc2232_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
dev_info(&client->dev, "probing...\n");
sc2232_filltimings(&sc2232_custom_config);
v4l2_i2c_subdev_init(&sc2232.sd, client,
&sc2232_camera_module_ops);
sc2232.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
sc2232.custom = sc2232_custom_config;
mutex_init(&sc2232.lock);
dev_info(&client->dev, "probing successful\n");
return 0;
}
/* ======================================================================== */
static int sc2232_remove(struct i2c_client *client)
{
struct sc_camera_module *cam_mod = i2c_get_clientdata(client);
dev_info(&client->dev, "removing device...\n");
if (!client->adapter)
return -ENODEV; /* our client isn't attached */
mutex_destroy(&cam_mod->lock);
sc_camera_module_release(cam_mod);
dev_info(&client->dev, "removed\n");
return 0;
}
static const struct i2c_device_id sc2232_id[] = {
{ SC2232_DRIVER_NAME, 0 },
{ }
};
static const struct of_device_id sc2232_of_match[] = {
{.compatible = "smartsens,sc2232-v4l2-i2c-subdev"},
{},
};
MODULE_DEVICE_TABLE(i2c, sc2232_id);
static struct i2c_driver sc2232_i2c_driver = {
.driver = {
.name = SC2232_DRIVER_NAME,
.of_match_table = sc2232_of_match
},
.probe = sc2232_probe,
.remove = sc2232_remove,
.id_table = sc2232_id,
};
module_i2c_driver(sc2232_i2c_driver);
MODULE_DESCRIPTION("SoC Camera driver for sc2232");
MODULE_AUTHOR("zack.zeng");
MODULE_LICENSE("GPL");