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drm/radeon/audio: write audio/video latency info for DCE4/5

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Needed by the hda driver to properly set up synchronization
on the audio side.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher 2013-10-10 17:54:51 -04:00
parent 8a992ee145
commit 712fd8a2cd
2 changed files with 75 additions and 0 deletions
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37
drivers/gpu/drm/radeon/evergreen_hdmi.c
View file

@ -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);

38
drivers/gpu/drm/radeon/evergreend.h
View file

@ -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)