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media: i2c: modify ov9281 driver for thunderboot.

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Signed-off-by: Dongbo Yang <db.yang@rock-chips.com>
Change-Id: I17defb2b02913de0a1e70479068cec244b554593
This commit is contained in:
Dongbo Yang
2021-07-07 16:23:53 +08:00
committed by Tao Huang
parent 6863a5d24a
commit 25db7b2bb4
1 changed files with 32 additions and 6 deletions
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38
drivers/media/i2c/ov9281.c
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@@ -152,6 +152,9 @@ struct ov9281 {
struct mutex mutex;
bool streaming;
bool power_on;
bool is_thunderboot;
bool is_thunderboot_ng;
bool is_first_streamoff;
const struct ov9281_mode *cur_mode;
u32 module_index;
const char *module_facing;
@@ -753,10 +756,11 @@ static int __ov9281_start_stream(struct ov9281 *ov9281)
{
int ret;
ret = ov9281_write_array(ov9281->client, ov9281->cur_mode->reg_list);
if (ret)
return ret;
if (!ov9281->is_thunderboot) {
ret = ov9281_write_array(ov9281->client, ov9281->cur_mode->reg_list);
if (ret)
return ret;
}
/* In case these controls are set before streaming */
mutex_unlock(&ov9281->mutex);
ret = v4l2_ctrl_handler_setup(&ov9281->ctrl_handler);
@@ -770,6 +774,8 @@ static int __ov9281_start_stream(struct ov9281 *ov9281)
static int __ov9281_stop_stream(struct ov9281 *ov9281)
{
if (ov9281->is_thunderboot)
ov9281->is_first_streamoff = true;
return ov9281_write_reg(ov9281->client, OV9281_REG_CTRL_MODE,
OV9281_REG_VALUE_08BIT, OV9281_MODE_SW_STANDBY);
}
@@ -859,6 +865,11 @@ static int __ov9281_power_on(struct ov9281 *ov9281)
u32 delay_us;
struct device *dev = &ov9281->client->dev;
/* No need when thunderboot. */
if (ov9281->is_thunderboot) {
return 0;
}
if (!IS_ERR_OR_NULL(ov9281->pins_default)) {
ret = pinctrl_select_state(ov9281->pinctrl,
ov9281->pins_default);
@@ -910,6 +921,15 @@ static void __ov9281_power_off(struct ov9281 *ov9281)
int ret;
struct device *dev = &ov9281->client->dev;
if (ov9281->is_thunderboot) {
if (ov9281->is_first_streamoff) {
ov9281->is_thunderboot = false;
ov9281->is_first_streamoff = false;
} else {
return;
}
}
if (!IS_ERR(ov9281->pwdn_gpio))
gpiod_set_value_cansleep(ov9281->pwdn_gpio, 0);
clk_disable_unprepare(ov9281->xvclk);
@@ -1171,6 +1191,11 @@ static int ov9281_check_sensor_id(struct ov9281 *ov9281,
u32 id = 0;
int ret;
if (ov9281->is_thunderboot) {
dev_info(dev, "Enable thunderboot mode, skip sensor id check\n");
return 0;
}
ret = ov9281_read_reg(client, OV9281_REG_CHIP_ID,
OV9281_REG_VALUE_16BIT, &id);
if (id != CHIP_ID) {
@@ -1229,6 +1254,7 @@ static int ov9281_probe(struct i2c_client *client,
ov9281->client = client;
ov9281->cur_mode = &supported_modes[0];
ov9281->is_thunderboot = IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP);
ov9281->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(ov9281->xvclk)) {
@@ -1236,11 +1262,11 @@ static int ov9281_probe(struct i2c_client *client,
return -EINVAL;
}
ov9281->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
ov9281->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
if (IS_ERR(ov9281->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
ov9281->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
ov9281->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_ASIS);
if (IS_ERR(ov9281->pwdn_gpio))
dev_warn(dev, "Failed to get pwdn-gpios\n");