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media: i2c: rk628: add hdmirx device attribute

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Signed-off-by: Shunhua Lan <lsh@rock-chips.com>
Change-Id: If4a57926e6aaf85e9c636bf5af481249ef4720fa
This commit is contained in:
Shunhua Lan
2023-09-11 17:21:30 +08:00
committed by Tao Huang
parent 2f31555896
commit d40268f32a
2 changed files with 41 additions and 0 deletions
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1
drivers/media/i2c/rk628/Kconfig
View File

@@ -13,6 +13,7 @@ config VIDEO_RK628_CSI
select HDMI
select V4L2_FWNODE
select VIDEO_RK628
select VIDEO_ROCKCHIP_HDMIRX_CLASS
help
Support for the Rockchip RK628 HDMI to MIPI CSI-2 bridge.

40
drivers/media/i2c/rk628/rk628_csi_v4l2.c
View File

@@ -26,6 +26,7 @@
#include <linux/version.h>
#include <linux/videodev2.h>
#include <linux/workqueue.h>
#include <linux/rk_hdmirx_class.h>
#include <media/v4l2-controls_rockchip.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
@@ -132,6 +133,7 @@ struct rk628_csi {
struct rk628_combtxphy *txphy;
struct rk628_dsi dsi;
const struct rk628_plat_data *plat_data;
struct device *classdev;
};
struct rk628_csi_mode {
@@ -2112,6 +2114,36 @@ static const struct of_device_id rk628_csi_of_match[] = {
};
MODULE_DEVICE_TABLE(of, rk628_csi_of_match);
static bool tx_5v_power_present(struct v4l2_subdev *sd);
static ssize_t audio_rate_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct rk628_csi *csi = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d", rk628_hdmirx_audio_fs(csi->audio_info));
}
static ssize_t audio_present_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct rk628_csi *csi = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d",
tx_5v_power_present(&csi->sd) ?
rk628_hdmirx_audio_present(csi->audio_info) : 0);
}
static DEVICE_ATTR_RO(audio_rate);
static DEVICE_ATTR_RO(audio_present);
static struct attribute *rk628_attrs[] = {
&dev_attr_audio_rate.attr,
&dev_attr_audio_present.attr,
NULL
};
ATTRIBUTE_GROUPS(rk628);
static int rk628_csi_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -2256,6 +2288,14 @@ static int rk628_csi_probe(struct i2c_client *client,
goto err_hdl;
}
csi->classdev = device_create_with_groups(rk_hdmirx_class(),
dev, MKDEV(0, 0),
csi,
rk628_groups,
"rk628");
if (IS_ERR(csi->classdev))
goto err_hdl;
INIT_DELAYED_WORK(&csi->delayed_work_enable_hotplug,
rk628_csi_delayed_work_enable_hotplug);
INIT_DELAYED_WORK(&csi->delayed_work_res_change,