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media: i2c: ov13850: synchronize with kernel4.4 and update to v01.01.01

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Change-Id: I50716a51c39570e68b179fd1adceb5ebb0669520
Signed-off-by: Hu Kejun <william.hu@rock-chips.com>
This commit is contained in:
Hu Kejun 2019-06-17 10:23:56 +08:00 committed by Tao Huang
parent 732afe7d96
commit 600b243039
1 changed files with 163 additions and 7 deletions
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170
drivers/media/i2c/ov13850.c
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@ -3,6 +3,8 @@
* ov13850 driver
*
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X01 add poweron function.
*/
#include <linux/clk.h>
@ -14,12 +16,17 @@
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/sysfs.h>
#include <linux/slab.h>
#include <linux/version.h>
#include <linux/rk-camera-module.h>
#include <media/media-entity.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <linux/pinctrl/consumer.h>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x01)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
@ -73,6 +80,8 @@
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define OV13850_NAME "ov13850"
static const struct regval *ov13850_global_regs;
static const char * const ov13850_supply_names[] = {
@ -120,7 +129,12 @@ struct ov13850 {
struct v4l2_ctrl *test_pattern;
struct mutex mutex;
bool streaming;
bool power_on;
const struct ov13850_mode *cur_mode;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
};
#define to_ov13850(sd) container_of(sd, struct ov13850, subdev)
@ -884,14 +898,80 @@ static int ov13850_g_frame_interval(struct v4l2_subdev *sd,
return 0;
}
static void ov13850_get_module_inf(struct ov13850 *ov13850,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, OV13850_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, ov13850->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, ov13850->len_name, sizeof(inf->base.lens));
}
static long ov13850_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct ov13850 *ov13850 = to_ov13850(sd);
long ret = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
ov13850_get_module_inf(ov13850, (struct rkmodule_inf *)arg);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long ov13850_compat_ioctl32(struct v4l2_subdev *sd,
unsigned int cmd, unsigned long arg)
{
void __user *up = compat_ptr(arg);
struct rkmodule_inf *inf;
struct rkmodule_awb_cfg *cfg;
long ret;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = ov13850_ioctl(sd, cmd, inf);
if (!ret)
ret = copy_to_user(up, inf, sizeof(*inf));
kfree(inf);
break;
case RKMODULE_AWB_CFG:
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
if (!cfg) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(cfg, up, sizeof(*cfg));
if (!ret)
ret = ov13850_ioctl(sd, cmd, cfg);
kfree(cfg);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int __ov13850_start_stream(struct ov13850 *ov13850)
{
int ret;
ret = ov13850_write_array(ov13850->client, ov13850_global_regs);
if (ret)
return ret;
ret = ov13850_write_array(ov13850->client, ov13850->cur_mode->reg_list);
if (ret)
return ret;
@ -954,6 +1034,44 @@ static int ov13850_s_stream(struct v4l2_subdev *sd, int on)
return ret;
}
static int ov13850_s_power(struct v4l2_subdev *sd, int on)
{
struct ov13850 *ov13850 = to_ov13850(sd);
struct i2c_client *client = ov13850->client;
int ret = 0;
mutex_lock(&ov13850->mutex);
/* If the power state is not modified - no work to do. */
if (ov13850->power_on == !!on)
goto unlock_and_return;
if (on) {
ret = pm_runtime_get_sync(&client->dev);
if (ret < 0) {
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
ret = ov13850_write_array(ov13850->client, ov13850_global_regs);
if (ret) {
v4l2_err(sd, "could not set init registers\n");
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
ov13850->power_on = true;
} else {
pm_runtime_put(&client->dev);
ov13850->power_on = false;
}
unlock_and_return:
mutex_unlock(&ov13850->mutex);
return ret;
}
/* Calculate the delay in us by clock rate and clock cycles */
static inline u32 ov13850_cal_delay(u32 cycles)
{
@ -1079,6 +1197,14 @@ static const struct v4l2_subdev_internal_ops ov13850_internal_ops = {
};
#endif
static const struct v4l2_subdev_core_ops ov13850_core_ops = {
.s_power = ov13850_s_power,
.ioctl = ov13850_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = ov13850_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops ov13850_video_ops = {
.s_stream = ov13850_s_stream,
.g_frame_interval = ov13850_g_frame_interval,
@ -1092,6 +1218,7 @@ static const struct v4l2_subdev_pad_ops ov13850_pad_ops = {
};
static const struct v4l2_subdev_ops ov13850_subdev_ops = {
.core = &ov13850_core_ops,
.video = &ov13850_video_ops,
.pad = &ov13850_pad_ops,
};
@ -1242,7 +1369,7 @@ static int ov13850_check_sensor_id(struct ov13850 *ov13850,
OV13850_REG_VALUE_16BIT, &id);
if (id != CHIP_ID) {
dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret);
return ret;
return -ENODEV;
}
ret = ov13850_read_reg(client, OV13850_CHIP_REVISION_REG,
@ -1277,14 +1404,34 @@ static int ov13850_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct ov13850 *ov13850;
struct v4l2_subdev *sd;
char facing[2];
int ret;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
ov13850 = devm_kzalloc(dev, sizeof(*ov13850), GFP_KERNEL);
if (!ov13850)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&ov13850->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&ov13850->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&ov13850->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&ov13850->len_name);
if (ret) {
dev_err(dev, "could not get module information!\n");
return -EINVAL;
}
ov13850->client = client;
ov13850->cur_mode = &supported_modes[0];
@ -1358,7 +1505,16 @@ static int ov13850_probe(struct i2c_client *client,
goto err_power_off;
#endif
ret = v4l2_async_register_subdev(sd);
memset(facing, 0, sizeof(facing));
if (strcmp(ov13850->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
ov13850->module_index, facing,
OV13850_NAME, dev_name(sd->dev));
ret = v4l2_async_register_subdev_sensor_common(sd);
if (ret) {
dev_err(dev, "v4l2 async register subdev failed\n");
goto err_clean_entity;
@ -1419,7 +1575,7 @@ static const struct i2c_device_id ov13850_match_id[] = {
static struct i2c_driver ov13850_i2c_driver = {
.driver = {
.name = "ov13850",
.name = OV13850_NAME,
.pm = &ov13850_pm_ops,
.of_match_table = of_match_ptr(ov13850_of_match),
},