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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>
This commit is contained in:
Alex Deucher 2013-08-29 10:51:04 -04:00
parent fb93df1c2d
commit c1cbee0ec0
2 changed files with 94 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
drivers/gpu/drm/radeon/r600_hdmi.c
View File

@ -322,6 +322,68 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder)
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 @@ 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))
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 */

29
drivers/gpu/drm/radeon/r600d.h
View File

@ -967,6 +967,35 @@
#define HDMI_CONNECTION (1 << 16)
#define DP_CONNECTION (1 << 17)
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0 0x71c8 /* LPCM */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1 0x71cc /* AC3 */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2 0x71d0 /* MPEG1 */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3 0x71d4 /* MP3 */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4 0x71d8 /* MPEG2 */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5 0x71dc /* AAC */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6 0x71e0 /* DTS */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7 0x71e4 /* ATRAC */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR8 0x71e8 /* one bit audio - leave at 0 (default) */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9 0x71ec /* Dolby Digital */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10 0x71f0 /* DTS-HD */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11 0x71f4 /* MAT-MLP */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR12 0x71f8 /* DTS */
#define AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13 0x71fc /* WMA Pro */
# define MAX_CHANNELS(x) (((x) & 0x7) << 0)
/* max channels minus one. 7 = 8 channels */
# define SUPPORTED_FREQUENCIES(x) (((x) & 0xff) << 8)
# define DESCRIPTOR_BYTE_2(x) (((x) & 0xff) << 16)
# define SUPPORTED_FREQUENCIES_STEREO(x) (((x) & 0xff) << 24) /* LPCM only */
/* SUPPORTED_FREQUENCIES, SUPPORTED_FREQUENCIES_STEREO
* bit0 = 32 kHz
* bit1 = 44.1 kHz
* bit2 = 48 kHz
* bit3 = 88.2 kHz
* bit4 = 96 kHz
* bit5 = 176.4 kHz
* bit6 = 192 kHz
*/
/* rs6xx/rs740 and r6xx share the same HDMI blocks, however, rs6xx has only one
* instance of the blocks while r6xx has 2. DCE 3.0 cards are slightly
* different due to the new DIG blocks, but also have 2 instances.