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media: i2c: rk628: add nosignal process when get_fmt and enable stream

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Change-Id: Idead58407889897d1aaddfa395d0c0eb38d7a211
Signed-off-by: Jianwei Fan <jianwei.fan@rock-chips.com>
This commit is contained in:
Jianwei Fan
2024-05-10 16:57:54 +08:00
parent 10695ebb8e
commit 7f0bc0de39
2 changed files with 18 additions and 2 deletions
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3
drivers/media/i2c/rk628/rk628.h
View File

@@ -228,6 +228,9 @@
#define GRF_SOC_VERSION 0x0200
#define GRF_MAX_REGISTER GRF_SOC_VERSION
#define RK628_DEFAULT_WIDTH 64
#define RK628_DEFAULT_HEIGHT 64
enum {
COMBTXPHY_MODULEA_EN = BIT(0),
COMBTXPHY_MODULEB_EN = BIT(1),

17
drivers/media/i2c/rk628/rk628_csi_v4l2.c
View File

@@ -876,6 +876,11 @@ static void enable_stream(struct v4l2_subdev *sd, bool en)
v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, en ? "en" : "dis");
if (en) {
if (!tx_5v_power_present(sd) || csi->nosignal) {
v4l2_err(sd, "%s: hdmi no signal or unplug!\n", __func__);
return;
}
if (rk628_hdmirx_scdc_ced_err(csi->rk628)) {
rk628_hdmirx_plugout(sd);
schedule_delayed_work(&csi->delayed_work_enable_hotplug,
@@ -2007,13 +2012,20 @@ static int rk628_csi_get_fmt(struct v4l2_subdev *sd,
{
struct rk628_csi *csi = to_csi(sd);
mutex_lock(&csi->confctl_mutex);
/* The application don't wants this to be blocked, so use mutex_trylock() */
if (!mutex_trylock(&csi->confctl_mutex)) {
format->format.code = csi->mbus_fmt_code;
format->format.width = RK628_DEFAULT_WIDTH;
format->format.height = RK628_DEFAULT_HEIGHT;
format->format.field = V4L2_FIELD_NONE;
return 0;
}
format->format.code = csi->mbus_fmt_code;
format->format.width = ALIGN_DOWN(csi->timings.bt.width, 8);
format->format.height = csi->timings.bt.height;
format->format.field = csi->timings.bt.interlaced ?
V4L2_FIELD_INTERLACED : V4L2_FIELD_NONE;
mutex_unlock(&csi->confctl_mutex);
if (csi->plat_data->tx_mode == CSI_MODE) {
if (csi->timings.bt.pixelclock > 150000000 || csi->csi_lanes_in_use <= 2) {
@@ -2057,6 +2069,7 @@ static int rk628_csi_get_fmt(struct v4l2_subdev *sd,
__v4l2_ctrl_s_ctrl_int64(csi->pixel_rate, RK628_CSI_PIXEL_RATE_HIGH);
}
mutex_unlock(&csi->confctl_mutex);
v4l2_dbg(1, debug, sd, "%s: fmt code:%d, w:%d, h:%d, field code:%d\n",
__func__, format->format.code, format->format.width,
format->format.height, format->format.field);