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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-15 12:03:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:30:47 -0400 |
| commit | 0ffae60c8976fb407de04cebd8c4cfae932bc671 (patch) | |
| tree | 72ce77ed90a6aeed5bac6406dfe70d7c4792dcce /drivers/gpu/drm/radeon/r600_hdmi.c | |
| parent | ba7def4fac1d897198949cdf9a7cf15916bcf032 (diff) | |
| download | linux-0ffae60c8976fb407de04cebd8c4cfae932bc671.tar.bz2 | |
drm/radeon: set speaker allocation for DCE3.2
This updates the audio driver to the speaker allocation
block from the EDID. A similar change was just implemented
for DCE4-8.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_hdmi.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index e1dec1339461..6d7128d02493 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -283,6 +283,45 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) } } +static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector = NULL; + u32 tmp; + u8 *sadb; + int sad_count; + + list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { + if (connector->encoder == encoder) + radeon_connector = to_radeon_connector(connector); + } + + if (!radeon_connector) { + DRM_ERROR("Couldn't find encoder's connector\n"); + return; + } + + sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb); + if (sad_count < 0) { + DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); + return; + } + + /* program the speaker allocation */ + tmp = RREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); + tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); + /* set HDMI mode */ + tmp |= HDMI_CONNECTION; + if (sad_count) + tmp |= SPEAKER_ALLOCATION(sadb[0]); + else + tmp |= SPEAKER_ALLOCATION(5); /* stereo */ + WREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); + + kfree(sadb); +} + /* * update the info frames with the data from the current display mode */ @@ -327,6 +366,9 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ } + if (ASIC_IS_DCE32(rdev)) + dce3_2_afmt_write_speaker_allocation(encoder); + WREG32(HDMI0_ACR_PACKET_CONTROL + offset, HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ HDMI0_ACR_SOURCE); /* select SW CTS value */ |