From 712fd8a2cdc4360b14546a26ce238bd99661af51 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 10 Oct 2013 17:54:51 -0400 Subject: [PATCH] drm/radeon/audio: write audio/video latency info for DCE4/5 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Needed by the hda driver to properly set up synchronization on the audio side. Signed-off-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/radeon/evergreen_hdmi.c | 37 ++++++++++++++++++++++++ drivers/gpu/drm/radeon/evergreend.h | 38 +++++++++++++++++++++++++ 2 files changed, 75 insertions(+) diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index 5fbe48647ea4..abdc893318a4 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -58,6 +58,42 @@ static void evergreen_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t cloc WREG32(HDMI_ACR_48_1 + offset, acr.n_48khz); } +static void dce4_afmt_write_latency_fields(struct drm_encoder *encoder, + struct drm_display_mode *mode) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector = NULL; + u32 tmp = 0; + + list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { + if (connector->encoder == encoder) { + radeon_connector = to_radeon_connector(connector); + break; + } + } + + if (!radeon_connector) { + DRM_ERROR("Couldn't find encoder's connector\n"); + return; + } + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + if (connector->latency_present[1]) + tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | + AUDIO_LIPSYNC(connector->audio_latency[1]); + else + tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); + } else { + if (connector->latency_present[0]) + tmp = VIDEO_LIPSYNC(connector->video_latency[0]) | + AUDIO_LIPSYNC(connector->audio_latency[0]); + else + tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); + } + WREG32(AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp); +} + static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder) { struct radeon_device *rdev = encoder->dev->dev_private; @@ -327,6 +363,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode dce6_afmt_write_sad_regs(encoder); } else { evergreen_hdmi_write_sad_regs(encoder); + dce4_afmt_write_latency_fields(encoder, mode); } err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index fa81893726f4..11e002a47b55 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -750,6 +750,44 @@ * bit6 = 192 kHz */ +#define AZ_CHANNEL_COUNT_CONTROL 0x5fe4 +# define HBR_CHANNEL_COUNT(x) (((x) & 0x7) << 0) +# define COMPRESSED_CHANNEL_COUNT(x) (((x) & 0x7) << 4) +/* HBR_CHANNEL_COUNT, COMPRESSED_CHANNEL_COUNT + * 0 = use stream header + * 1-7 = channel count - 1 + */ +#define AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC 0x5fe8 +# define VIDEO_LIPSYNC(x) (((x) & 0xff) << 0) +# define AUDIO_LIPSYNC(x) (((x) & 0xff) << 8) +/* VIDEO_LIPSYNC, AUDIO_LIPSYNC + * 0 = invalid + * x = legal delay value + * 255 = sync not supported + */ +#define AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_HBR 0x5fec +# define HBR_CAPABLE (1 << 0) /* enabled by default */ + +#define AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_AV_ASSOCIATION0 0x5ff4 +# define DISPLAY0_TYPE(x) (((x) & 0x3) << 0) +# define DISPLAY_TYPE_NONE 0 +# define DISPLAY_TYPE_HDMI 1 +# define DISPLAY_TYPE_DP 2 +# define DISPLAY0_ID(x) (((x) & 0x3f) << 2) +# define DISPLAY1_TYPE(x) (((x) & 0x3) << 8) +# define DISPLAY1_ID(x) (((x) & 0x3f) << 10) +# define DISPLAY2_TYPE(x) (((x) & 0x3) << 16) +# define DISPLAY2_ID(x) (((x) & 0x3f) << 18) +# define DISPLAY3_TYPE(x) (((x) & 0x3) << 24) +# define DISPLAY3_ID(x) (((x) & 0x3f) << 26) +#define AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_AV_ASSOCIATION1 0x5ff8 +# define DISPLAY4_TYPE(x) (((x) & 0x3) << 0) +# define DISPLAY4_ID(x) (((x) & 0x3f) << 2) +# define DISPLAY5_TYPE(x) (((x) & 0x3) << 8) +# define DISPLAY5_ID(x) (((x) & 0x3f) << 10) +#define AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_AV_NUMBER 0x5ffc +# define NUMBER_OF_DISPLAY_ID(x) (((x) & 0x7) << 0) + #define AZ_HOT_PLUG_CONTROL 0x5e78 # define AZ_FORCE_CODEC_WAKE (1 << 0) # define PIN0_JACK_DETECTION_ENABLE (1 << 4) -- 2.39.5