From 5efb54b2b7bf685f5d2efdf468418e26a74554f2 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 4 Mar 2013 09:29:33 -0300 Subject: [PATCH] [media] s5p-tv: add dv_timings support for hdmi This just adds dv_timings support without modifying existing dv_preset support. Signed-off-by: Hans Verkuil Tested-by: Tomasz Stanislawski Acked-by: Tomasz Stanislawski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s5p-tv/hdmi_drv.c | 94 ++++++++++++++++++++---- 1 file changed, 81 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/s5p-tv/hdmi_drv.c b/drivers/media/platform/s5p-tv/hdmi_drv.c index 8de1b3dce459..c78f54cd5df9 100644 --- a/drivers/media/platform/s5p-tv/hdmi_drv.c +++ b/drivers/media/platform/s5p-tv/hdmi_drv.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -93,6 +94,8 @@ struct hdmi_device { int cur_conf_dirty; /** current preset */ u32 cur_preset; + /** current timings */ + struct v4l2_dv_timings cur_timings; /** other resources */ struct hdmi_resources res; }; @@ -477,19 +480,21 @@ static const struct hdmi_timings hdmi_timings_1080p50 = { 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 }, + { V4L2_DV_480P59_94, false, V4L2_DV_BT_CEA_720X480P59_94, &hdmi_timings_480p }, + { V4L2_DV_576P50, false, V4L2_DV_BT_CEA_720X576P50, &hdmi_timings_576p50 }, + { V4L2_DV_720P50, false, V4L2_DV_BT_CEA_1280X720P50, &hdmi_timings_720p50 }, + { V4L2_DV_720P59_94, true, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 }, + { V4L2_DV_720P60, false, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 }, + { V4L2_DV_1080P24, false, V4L2_DV_BT_CEA_1920X1080P24, &hdmi_timings_1080p24 }, + { V4L2_DV_1080P30, false, V4L2_DV_BT_CEA_1920X1080P30, &hdmi_timings_1080p60 }, + { V4L2_DV_1080P50, false, V4L2_DV_BT_CEA_1920X1080P50, &hdmi_timings_1080p50 }, + { V4L2_DV_1080I50, false, V4L2_DV_BT_CEA_1920X1080I50, &hdmi_timings_1080i50 }, + { V4L2_DV_1080I60, false, V4L2_DV_BT_CEA_1920X1080I60, &hdmi_timings_1080i60 }, + { V4L2_DV_1080P60, false, V4L2_DV_BT_CEA_1920X1080P60, &hdmi_timings_1080p60 }, }; static const struct hdmi_timings *hdmi_preset2timings(u32 preset) @@ -498,7 +503,7 @@ static const struct hdmi_timings *hdmi_preset2timings(u32 preset) for (i = 0; i < ARRAY_SIZE(hdmi_timings); ++i) if (hdmi_timings[i].preset == preset) - return hdmi_timings[i].timings; + return hdmi_timings[i].hdmi_timings; return NULL; } @@ -647,6 +652,36 @@ static int hdmi_g_dv_preset(struct v4l2_subdev *sd, return 0; } +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; + int i; + + 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 = hdmi_timings[i].hdmi_timings; + hdev->cur_conf_dirty = 1; + 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_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings) +{ + *timings = sd_to_hdmi_dev(sd)->cur_timings; + return 0; +} + static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt) { @@ -679,6 +714,35 @@ static int hdmi_enum_dv_presets(struct v4l2_subdev *sd, preset); } +static int hdmi_enum_dv_timings(struct v4l2_subdev *sd, + struct v4l2_enum_dv_timings *timings) +{ + if (timings->index >= ARRAY_SIZE(hdmi_timings)) + return -EINVAL; + 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 = { .s_power = hdmi_s_power, }; @@ -687,6 +751,10 @@ 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, }; -- 2.39.5