From c1cbee0ec0697c531778fbaf34aa358c0f5ef00e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 29 Aug 2013 10:51:04 -0400 Subject: [PATCH] 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 --- drivers/gpu/drm/radeon/r600_hdmi.c | 66 +++++++++++++++++++++++++++++- drivers/gpu/drm/radeon/r600d.h | 29 +++++++++++++ 2 files changed, 94 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 6d7128d02493..f443010ce90b 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -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 */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 44ec7a148c3d..454f90a849e4 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -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. -- GitLab