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media: rockchip: hdmirx: add new controls for audio status and audio rate

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Signed-off-by: Shunhua Lan <lsh@rock-chips.com>
Change-Id: I9fd34740ee0417c5dd0f5bf61b8070b162205768
This commit is contained in:
Shunhua Lan
2023-10-07 16:01:33 +08:00
parent 95aa09af43
commit cd5a25f0f1
1 changed files with 57 additions and 1 deletions
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58
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
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@@ -35,6 +35,7 @@
#include <media/cec.h>
#include <media/cec-notifier.h>
#include <media/v4l2-common.h>
#include <media/v4l2-controls_rockchip.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-dv-timings.h>
@@ -188,6 +189,8 @@ struct rk_hdmirx_dev {
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler hdl;
struct v4l2_ctrl *detect_tx_5v_ctrl;
struct v4l2_ctrl *audio_sampling_rate_ctrl;
struct v4l2_ctrl *audio_present_ctrl;
struct v4l2_dv_timings timings;
struct gpio_desc *hdmirx_det_gpio;
struct work_struct work_wdt_config;
@@ -4187,6 +4190,50 @@ static void hdmirx_cancel_cpu_limit_freq(struct rk_hdmirx_dev *hdmirx_dev)
dev_err(hdmirx_dev->dev, "%s freq qos nod add\n", __func__);
}
static int hdmirx_get_custom_ctrl(struct v4l2_ctrl *ctrl)
{
struct rk_hdmirx_dev *hdmirx_dev = container_of(ctrl->handler, struct rk_hdmirx_dev, hdl);
int ret = 0;
if (ctrl->id == RK_V4L2_CID_AUDIO_SAMPLING_RATE) {
*ctrl->p_new.p_s32 = hdmirx_dev->audio_state.fs_audio;
} else if (ctrl->id == RK_V4L2_CID_AUDIO_PRESENT) {
*ctrl->p_new.p_s32 = tx_5v_power_present(hdmirx_dev) ?
hdmirx_dev->audio_present : 0;
} else {
ret = -EINVAL;
}
return ret;
}
static const struct v4l2_ctrl_ops hdmirx_custom_ctrl_ops = {
.g_volatile_ctrl = hdmirx_get_custom_ctrl,
};
static const struct v4l2_ctrl_config hdmirx_ctrl_audio_sampling_rate = {
.ops = &hdmirx_custom_ctrl_ops,
.id = RK_V4L2_CID_AUDIO_SAMPLING_RATE,
.name = "Audio sampling rate",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
.max = 768000,
.step = 1,
.def = 0,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
};
static const struct v4l2_ctrl_config hdmirx_ctrl_audio_present = {
.ops = &hdmirx_custom_ctrl_ops,
.id = RK_V4L2_CID_AUDIO_PRESENT,
.name = "Audio present",
.type = V4L2_CTRL_TYPE_BOOLEAN,
.min = 0,
.max = 1,
.step = 1,
.def = 0,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
};
static int hdmirx_probe(struct platform_device *pdev)
{
const struct v4l2_dv_timings timings_def = HDMIRX_DEFAULT_TIMING;
@@ -4300,10 +4347,19 @@ static int hdmirx_probe(struct platform_device *pdev)
strscpy(v4l2_dev->name, dev_name(dev), sizeof(v4l2_dev->name));
hdl = &hdmirx_dev->hdl;
v4l2_ctrl_handler_init(hdl, 1);
v4l2_ctrl_handler_init(hdl, 3);
hdmirx_dev->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl,
NULL, V4L2_CID_DV_RX_POWER_PRESENT,
0, 1, 0, 0);
/* custom controls */
hdmirx_dev->audio_sampling_rate_ctrl = v4l2_ctrl_new_custom(hdl,
&hdmirx_ctrl_audio_sampling_rate, NULL);
if (hdmirx_dev->audio_sampling_rate_ctrl)
hdmirx_dev->audio_sampling_rate_ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
hdmirx_dev->audio_present_ctrl = v4l2_ctrl_new_custom(hdl,
&hdmirx_ctrl_audio_present, NULL);
if (hdmirx_dev->audio_present_ctrl)
hdmirx_dev->audio_present_ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
if (hdl->error) {
dev_err(dev, "v4l2 ctrl handler init failed!\n");
ret = hdl->error;