drm/radeon/audio: set up the sads on DCE3.2 asics
This sets up the short audio descriptors properly on
DCE3.2 asics for hdmi audio.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 6d7128d..f443010 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -322,6 +322,68 @@
kfree(sadb);
}
+static void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder)
+{
+ struct radeon_device *rdev = encoder->dev->dev_private;
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ struct cea_sad *sads;
+ int i, sad_count;
+
+ static const u16 eld_reg_to_type[][2] = {
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
+ { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
+ };
+
+ 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_sad(radeon_connector->edid, &sads);
+ if (sad_count < 0) {
+ DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
+ return;
+ }
+ BUG_ON(!sads);
+
+ for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
+ u32 value = 0;
+ int j;
+
+ for (j = 0; j < sad_count; j++) {
+ struct cea_sad *sad = &sads[j];
+
+ if (sad->format == eld_reg_to_type[i][1]) {
+ value = MAX_CHANNELS(sad->channels) |
+ DESCRIPTOR_BYTE_2(sad->byte2) |
+ SUPPORTED_FREQUENCIES(sad->freq);
+ if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
+ value |= SUPPORTED_FREQUENCIES_STEREO(sad->freq);
+ break;
+ }
+ }
+ WREG32(eld_reg_to_type[i][0], value);
+ }
+
+ kfree(sads);
+}
+
/*
* update the info frames with the data from the current display mode
*/
@@ -366,8 +428,10 @@
HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */
}
- if (ASIC_IS_DCE32(rdev))
+ if (ASIC_IS_DCE32(rdev)) {
dce3_2_afmt_write_speaker_allocation(encoder);
+ dce3_2_afmt_write_sad_regs(encoder);
+ }
WREG32(HDMI0_ACR_PACKET_CONTROL + offset,
HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */