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media: rockchip: hdmirx: Add extcon support

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Signed-off-by: Shunhua Lan <lsh@rock-chips.com>
Change-Id: Ia19b8f7230af515b8dbc7bb953d03e8e5dbb1f7a
This commit is contained in:
Shunhua Lan
2022-10-13 12:21:53 +00:00
committed by Tao Huang
parent 9e2a65010b
commit a8de4e09e2
1 changed files with 22 additions and 0 deletions
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22
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
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@@ -11,6 +11,7 @@
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/extcon-provider.h>
#include <linux/fs.h>
#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
@@ -195,6 +196,7 @@ struct rk_hdmirx_dev {
struct dentry *debugfs_dir;
struct freq_qos_request min_sta_freq_req;
struct hdmirx_audiostate audio_state;
struct extcon_dev *extcon;
struct hdmirx_cec *cec;
struct mutex stream_lock;
struct mutex work_lock;
@@ -245,6 +247,11 @@ struct rk_hdmirx_dev {
spinlock_t rst_lock;
};
static const unsigned int hdmirx_extcon_cable[] = {
EXTCON_JACK_VIDEO_IN,
EXTCON_NONE,
};
static bool tx_5v_power_present(struct rk_hdmirx_dev *hdmirx_dev);
static void hdmirx_set_fmt(struct hdmirx_stream *stream,
struct v4l2_pix_format_mplane *pixm, bool try);
@@ -2672,12 +2679,14 @@ static void hdmirx_plugin(struct rk_hdmirx_dev *hdmirx_dev)
}
hdmirx_dma_config(hdmirx_dev);
hdmirx_interrupts_setup(hdmirx_dev, true);
extcon_set_state_sync(hdmirx_dev->extcon, EXTCON_JACK_VIDEO_IN, true);
hdmirx_audio_handle_plugged_change(hdmirx_dev, 1);
}
static void hdmirx_plugout(struct rk_hdmirx_dev *hdmirx_dev)
{
hdmirx_audio_handle_plugged_change(hdmirx_dev, 0);
extcon_set_state_sync(hdmirx_dev->extcon, EXTCON_JACK_VIDEO_IN, false);
hdmirx_update_bits(hdmirx_dev, SCDC_CONFIG, POWERPROVIDED, 0);
hdmirx_interrupts_setup(hdmirx_dev, false);
hdmirx_hpd_ctrl(hdmirx_dev, false);
@@ -4102,6 +4111,19 @@ static int hdmirx_probe(struct platform_device *pdev)
if (ret)
goto err_unreg_video_dev;
hdmirx_dev->extcon = devm_extcon_dev_allocate(dev, hdmirx_extcon_cable);
if (IS_ERR(hdmirx_dev->extcon)) {
ret = PTR_ERR(hdmirx_dev->extcon);
dev_err(&pdev->dev, "allocate extcon failed\n");
goto err_unreg_video_dev;
}
ret = devm_extcon_dev_register(dev, hdmirx_dev->extcon);
if (ret) {
dev_err(&pdev->dev, "failed to register extcon: %d\n", ret);
goto err_unreg_video_dev;
}
irq = gpiod_to_irq(hdmirx_dev->hdmirx_det_gpio);
if (irq < 0) {
dev_err(dev, "failed to get hdmirx-det gpio irq\n");