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path: root/drivers/media/platform/s5p-tv/hdmi_drv.c
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Diffstat (limited to 'drivers/media/platform/s5p-tv/hdmi_drv.c')
-rw-r--r--drivers/media/platform/s5p-tv/hdmi_drv.c129
1 files changed, 73 insertions, 56 deletions
diff --git a/drivers/media/platform/s5p-tv/hdmi_drv.c b/drivers/media/platform/s5p-tv/hdmi_drv.c
index 8de1b3dce45..4e86626dad4 100644
--- a/drivers/media/platform/s5p-tv/hdmi_drv.c
+++ b/drivers/media/platform/s5p-tv/hdmi_drv.c
@@ -31,6 +31,7 @@
#include <linux/pm_runtime.h>
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
+#include <linux/v4l2-dv-timings.h>
#include <media/s5p_hdmi.h>
#include <media/v4l2-common.h>
@@ -43,9 +44,6 @@ MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
MODULE_DESCRIPTION("Samsung HDMI");
MODULE_LICENSE("GPL");
-/* default preset configured on probe */
-#define HDMI_DEFAULT_PRESET V4L2_DV_480P59_94
-
struct hdmi_pulse {
u32 beg;
u32 end;
@@ -91,8 +89,8 @@ struct hdmi_device {
const struct hdmi_timings *cur_conf;
/** flag indicating that timings are dirty */
int cur_conf_dirty;
- /** current preset */
- u32 cur_preset;
+ /** current timings */
+ struct v4l2_dv_timings cur_timings;
/** other resources */
struct hdmi_resources res;
};
@@ -252,7 +250,6 @@ static int hdmi_conf_apply(struct hdmi_device *hdmi_dev)
{
struct device *dev = hdmi_dev->dev;
const struct hdmi_timings *conf = hdmi_dev->cur_conf;
- struct v4l2_dv_preset preset;
int ret;
dev_dbg(dev, "%s\n", __func__);
@@ -267,11 +264,11 @@ static int hdmi_conf_apply(struct hdmi_device *hdmi_dev)
hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
mdelay(10);
- /* configure presets */
- preset.preset = hdmi_dev->cur_preset;
- ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_preset, &preset);
+ /* configure timings */
+ ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_timings,
+ &hdmi_dev->cur_timings);
if (ret) {
- dev_err(dev, "failed to set preset (%u)\n", preset.preset);
+ dev_err(dev, "failed to set timings\n");
return ret;
}
@@ -475,33 +472,26 @@ static const struct hdmi_timings hdmi_timings_1080p50 = {
.vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
};
+/* default hdmi_timings index of the timings configured on probe */
+#define HDMI_DEFAULT_TIMINGS_IDX (0)
+
static const struct {
- u32 preset;
- const struct hdmi_timings *timings;
+ bool reduced_fps;
+ const struct v4l2_dv_timings dv_timings;
+ const struct hdmi_timings *hdmi_timings;
} hdmi_timings[] = {
- { V4L2_DV_480P59_94, &hdmi_timings_480p },
- { V4L2_DV_576P50, &hdmi_timings_576p50 },
- { V4L2_DV_720P50, &hdmi_timings_720p50 },
- { V4L2_DV_720P59_94, &hdmi_timings_720p60 },
- { V4L2_DV_720P60, &hdmi_timings_720p60 },
- { V4L2_DV_1080P24, &hdmi_timings_1080p24 },
- { V4L2_DV_1080P30, &hdmi_timings_1080p60 },
- { V4L2_DV_1080P50, &hdmi_timings_1080p50 },
- { V4L2_DV_1080I50, &hdmi_timings_1080i50 },
- { V4L2_DV_1080I60, &hdmi_timings_1080i60 },
- { V4L2_DV_1080P60, &hdmi_timings_1080p60 },
+ { false, V4L2_DV_BT_CEA_720X480P59_94, &hdmi_timings_480p },
+ { false, V4L2_DV_BT_CEA_720X576P50, &hdmi_timings_576p50 },
+ { false, V4L2_DV_BT_CEA_1280X720P50, &hdmi_timings_720p50 },
+ { true, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 },
+ { false, V4L2_DV_BT_CEA_1920X1080P24, &hdmi_timings_1080p24 },
+ { false, V4L2_DV_BT_CEA_1920X1080P30, &hdmi_timings_1080p60 },
+ { false, V4L2_DV_BT_CEA_1920X1080P50, &hdmi_timings_1080p50 },
+ { false, V4L2_DV_BT_CEA_1920X1080I50, &hdmi_timings_1080i50 },
+ { false, V4L2_DV_BT_CEA_1920X1080I60, &hdmi_timings_1080i60 },
+ { false, V4L2_DV_BT_CEA_1920X1080P60, &hdmi_timings_1080p60 },
};
-static const struct hdmi_timings *hdmi_preset2timings(u32 preset)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hdmi_timings); ++i)
- if (hdmi_timings[i].preset == preset)
- return hdmi_timings[i].timings;
- return NULL;
-}
-
static int hdmi_streamon(struct hdmi_device *hdev)
{
struct device *dev = hdev->dev;
@@ -621,29 +611,33 @@ static int hdmi_s_power(struct v4l2_subdev *sd, int on)
return IS_ERR_VALUE(ret) ? ret : 0;
}
-static int hdmi_s_dv_preset(struct v4l2_subdev *sd,
- struct v4l2_dv_preset *preset)
+static int hdmi_s_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
- const struct hdmi_timings *conf;
+ int i;
- conf = hdmi_preset2timings(preset->preset);
- if (conf == NULL) {
- dev_err(dev, "preset (%u) not supported\n", preset->preset);
+ for (i = 0; i < ARRAY_SIZE(hdmi_timings); i++)
+ if (v4l_match_dv_timings(&hdmi_timings[i].dv_timings,
+ timings, 0))
+ break;
+ if (i == ARRAY_SIZE(hdmi_timings)) {
+ dev_err(dev, "timings not supported\n");
return -EINVAL;
}
- hdev->cur_conf = conf;
+ hdev->cur_conf = hdmi_timings[i].hdmi_timings;
hdev->cur_conf_dirty = 1;
- hdev->cur_preset = preset->preset;
+ hdev->cur_timings = *timings;
+ if (!hdmi_timings[i].reduced_fps)
+ hdev->cur_timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS;
return 0;
}
-static int hdmi_g_dv_preset(struct v4l2_subdev *sd,
- struct v4l2_dv_preset *preset)
+static int hdmi_g_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
{
- memset(preset, 0, sizeof(*preset));
- preset->preset = sd_to_hdmi_dev(sd)->cur_preset;
+ *timings = sd_to_hdmi_dev(sd)->cur_timings;
return 0;
}
@@ -670,13 +664,33 @@ static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd,
return 0;
}
-static int hdmi_enum_dv_presets(struct v4l2_subdev *sd,
- struct v4l2_dv_enum_preset *preset)
+static int hdmi_enum_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_enum_dv_timings *timings)
{
- if (preset->index >= ARRAY_SIZE(hdmi_timings))
+ if (timings->index >= ARRAY_SIZE(hdmi_timings))
return -EINVAL;
- return v4l_fill_dv_preset_info(hdmi_timings[preset->index].preset,
- preset);
+ timings->timings = hdmi_timings[timings->index].dv_timings;
+ if (!hdmi_timings[timings->index].reduced_fps)
+ timings->timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS;
+ return 0;
+}
+
+static int hdmi_dv_timings_cap(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings_cap *cap)
+{
+ struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+
+ /* Let the phy fill in the pixelclock range */
+ v4l2_subdev_call(hdev->phy_sd, video, dv_timings_cap, cap);
+ cap->type = V4L2_DV_BT_656_1120;
+ cap->bt.min_width = 720;
+ cap->bt.max_width = 1920;
+ cap->bt.min_height = 480;
+ cap->bt.max_height = 1080;
+ cap->bt.standards = V4L2_DV_BT_STD_CEA861;
+ cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED |
+ V4L2_DV_BT_CAP_PROGRESSIVE;
+ return 0;
}
static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = {
@@ -684,9 +698,10 @@ static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = {
};
static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = {
- .s_dv_preset = hdmi_s_dv_preset,
- .g_dv_preset = hdmi_g_dv_preset,
- .enum_dv_presets = hdmi_enum_dv_presets,
+ .s_dv_timings = hdmi_s_dv_timings,
+ .g_dv_timings = hdmi_g_dv_timings,
+ .enum_dv_timings = hdmi_enum_dv_timings,
+ .dv_timings_cap = hdmi_dv_timings_cap,
.g_mbus_fmt = hdmi_g_mbus_fmt,
.s_stream = hdmi_s_stream,
};
@@ -956,9 +971,11 @@ static int hdmi_probe(struct platform_device *pdev)
sd->owner = THIS_MODULE;
strlcpy(sd->name, "s5p-hdmi", sizeof(sd->name));
- hdmi_dev->cur_preset = HDMI_DEFAULT_PRESET;
- /* FIXME: missing fail preset is not supported */
- hdmi_dev->cur_conf = hdmi_preset2timings(hdmi_dev->cur_preset);
+ hdmi_dev->cur_timings =
+ hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].dv_timings;
+ /* FIXME: missing fail timings is not supported */
+ hdmi_dev->cur_conf =
+ hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].hdmi_timings;
hdmi_dev->cur_conf_dirty = 1;
/* storing subdev for call that have only access to struct device */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 10:10:55 +0000