diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_audio.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 179 |
1 files changed, 154 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c index 4a10a5d22c90..70eaac017624 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -67,9 +67,6 @@ static void write_indirect_azalia_reg(struct audio *audio, /* AZALIA_F0_CODEC_ENDPOINT_DATA endpoint data */ REG_SET(AZALIA_F0_CODEC_ENDPOINT_DATA, 0, AZALIA_ENDPOINT_REG_DATA, reg_data); - - DC_LOG_HW_AUDIO("AUDIO:write_indirect_azalia_reg: index: %u data: %u\n", - reg_index, reg_data); } static uint32_t read_indirect_azalia_reg(struct audio *audio, uint32_t reg_index) @@ -85,9 +82,6 @@ static uint32_t read_indirect_azalia_reg(struct audio *audio, uint32_t reg_index /* AZALIA_F0_CODEC_ENDPOINT_DATA endpoint data */ value = REG_READ(AZALIA_F0_CODEC_ENDPOINT_DATA); - DC_LOG_HW_AUDIO("AUDIO:read_indirect_azalia_reg: index: %u data: %u\n", - reg_index, value); - return value; } @@ -140,25 +134,27 @@ static void check_audio_bandwidth_hdmi( bool limit_freq_to_88_2_khz = false; bool limit_freq_to_96_khz = false; bool limit_freq_to_174_4_khz = false; + if (!crtc_info) + return; /* For two channels supported return whatever sink support,unmodified*/ if (channel_count > 2) { /* Based on HDMI spec 1.3 Table 7.5 */ - if ((crtc_info->requested_pixel_clock <= 27000) && + if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && (crtc_info->v_active <= 576) && !(crtc_info->interlaced) && !(crtc_info->pixel_repetition == 2 || crtc_info->pixel_repetition == 4)) { limit_freq_to_48_khz = true; - } else if ((crtc_info->requested_pixel_clock <= 27000) && + } else if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && (crtc_info->v_active <= 576) && (crtc_info->interlaced) && (crtc_info->pixel_repetition == 2)) { limit_freq_to_88_2_khz = true; - } else if ((crtc_info->requested_pixel_clock <= 54000) && + } else if ((crtc_info->requested_pixel_clock_100Hz <= 540000) && (crtc_info->v_active <= 576) && !(crtc_info->interlaced)) { limit_freq_to_174_4_khz = true; @@ -512,13 +508,15 @@ void dce_aud_az_configure( union audio_sample_rates sample_rates = audio_mode->sample_rates; uint8_t byte2 = audio_mode->max_bit_rate; + uint8_t channel_count = audio_mode->channel_count; /* adjust specific properties */ switch (audio_format_code) { case AUDIO_FORMAT_CODE_LINEARPCM: { + check_audio_bandwidth( crtc_info, - audio_mode->channel_count, + channel_count, signal, &sample_rates); @@ -546,7 +544,7 @@ void dce_aud_az_configure( /* fill audio format data */ set_reg_field_value(value, - audio_mode->channel_count - 1, + channel_count - 1, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, MAX_CHANNELS); @@ -613,6 +611,8 @@ void dce_aud_az_configure( AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO1, value); + DC_LOG_HW_AUDIO("\n\tAUDIO:az_configure: index: %u data, 0x%x, displayName %s: \n", + audio->inst, value, audio_info->display_name); /* *write the port ID: @@ -737,8 +737,8 @@ void dce_aud_az_configure( /* search pixel clock value for Azalia HDMI Audio */ static void get_azalia_clock_info_hdmi( - uint32_t crtc_pixel_clock_in_khz, - uint32_t actual_pixel_clock_in_khz, + uint32_t crtc_pixel_clock_100hz, + uint32_t actual_pixel_clock_100Hz, struct azalia_clock_info *azalia_clock_info) { /* audio_dto_phase= 24 * 10,000; @@ -749,11 +749,11 @@ static void get_azalia_clock_info_hdmi( /* audio_dto_module = PCLKFrequency * 10,000; * [khz] -> [100Hz] */ azalia_clock_info->audio_dto_module = - actual_pixel_clock_in_khz * 10; + actual_pixel_clock_100Hz; } static void get_azalia_clock_info_dp( - uint32_t requested_pixel_clock_in_khz, + uint32_t requested_pixel_clock_100Hz, const struct audio_pll_info *pll_info, struct azalia_clock_info *azalia_clock_info) { @@ -782,7 +782,7 @@ void dce_aud_wall_dto_setup( struct azalia_clock_info clock_info = { 0 }; - if (dc_is_hdmi_signal(signal)) { + if (dc_is_hdmi_tmds_signal(signal)) { uint32_t src_sel; /*DTO0 Programming goal: @@ -792,15 +792,15 @@ void dce_aud_wall_dto_setup( /* calculate DTO settings */ get_azalia_clock_info_hdmi( - crtc_info->requested_pixel_clock, - crtc_info->calculated_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, + crtc_info->calculated_pixel_clock_100Hz, &clock_info); - DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock = %d"\ - "calculated_pixel_clock =%d\n"\ + DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\ + "calculated_pixel_clock_100Hz =%d\n"\ "audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\ - crtc_info->requested_pixel_clock,\ - crtc_info->calculated_pixel_clock,\ + crtc_info->requested_pixel_clock_100Hz,\ + crtc_info->calculated_pixel_clock_100Hz,\ clock_info.audio_dto_module,\ clock_info.audio_dto_phase); @@ -833,7 +833,7 @@ void dce_aud_wall_dto_setup( calculate DTO settings */ get_azalia_clock_info_dp( - crtc_info->requested_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, pll_info, &clock_info); @@ -863,6 +863,98 @@ void dce_aud_wall_dto_setup( } } +#if defined(CONFIG_DRM_AMD_DC_SI) +static void dce60_aud_wall_dto_setup( + struct audio *audio, + enum signal_type signal, + const struct audio_crtc_info *crtc_info, + const struct audio_pll_info *pll_info) +{ + struct dce_audio *aud = DCE_AUD(audio); + + struct azalia_clock_info clock_info = { 0 }; + + if (dc_is_hdmi_signal(signal)) { + uint32_t src_sel; + + /*DTO0 Programming goal: + -generate 24MHz, 128*Fs from 24MHz + -use DTO0 when an active HDMI port is connected + (optionally a DP is connected) */ + + /* calculate DTO settings */ + get_azalia_clock_info_hdmi( + crtc_info->requested_pixel_clock_100Hz, + crtc_info->calculated_pixel_clock_100Hz, + &clock_info); + + DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\ + "calculated_pixel_clock_100Hz =%d\n"\ + "audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\ + crtc_info->requested_pixel_clock_100Hz,\ + crtc_info->calculated_pixel_clock_100Hz,\ + clock_info.audio_dto_module,\ + clock_info.audio_dto_phase); + + /* On TN/SI, Program DTO source select and DTO select before + programming DTO modulo and DTO phase. These bits must be + programmed first, otherwise there will be no HDMI audio at boot + up. This is a HW sequence change (different from old ASICs). + Caution when changing this programming sequence. + + HDMI enabled, using DTO0 + program master CRTC for DTO0 */ + src_sel = pll_info->dto_source - DTO_SOURCE_ID0; + REG_UPDATE_2(DCCG_AUDIO_DTO_SOURCE, + DCCG_AUDIO_DTO0_SOURCE_SEL, src_sel, + DCCG_AUDIO_DTO_SEL, 0); + + /* module */ + REG_UPDATE(DCCG_AUDIO_DTO0_MODULE, + DCCG_AUDIO_DTO0_MODULE, clock_info.audio_dto_module); + + /* phase */ + REG_UPDATE(DCCG_AUDIO_DTO0_PHASE, + DCCG_AUDIO_DTO0_PHASE, clock_info.audio_dto_phase); + } else { + /*DTO1 Programming goal: + -generate 24MHz, 128*Fs from 24MHz (DCE6 does not support 512*Fs) + -default is to used DTO1, and switch to DTO0 when an audio + master HDMI port is connected + -use as default for DP + + calculate DTO settings */ + get_azalia_clock_info_dp( + crtc_info->requested_pixel_clock_100Hz, + pll_info, + &clock_info); + + /* Program DTO select before programming DTO modulo and DTO + phase. default to use DTO1 */ + + REG_UPDATE(DCCG_AUDIO_DTO_SOURCE, + DCCG_AUDIO_DTO_SEL, 1); + + /* DCCG_AUDIO_DTO2_USE_512FBR_DTO, 1) + * Cannot select 512fs for DP + * + * DCE6 has no DCCG_AUDIO_DTO2_USE_512FBR_DTO mask + */ + + /* module */ + REG_UPDATE(DCCG_AUDIO_DTO1_MODULE, + DCCG_AUDIO_DTO1_MODULE, clock_info.audio_dto_module); + + /* phase */ + REG_UPDATE(DCCG_AUDIO_DTO1_PHASE, + DCCG_AUDIO_DTO1_PHASE, clock_info.audio_dto_phase); + + /* DCE6 has no DCCG_AUDIO_DTO2_USE_512FBR_DTO mask in DCCG_AUDIO_DTO_SOURCE reg */ + + } +} +#endif + static bool dce_aud_endpoint_valid(struct audio *audio) { uint32_t value; @@ -923,6 +1015,18 @@ static const struct audio_funcs funcs = { .destroy = dce_aud_destroy, }; +#if defined(CONFIG_DRM_AMD_DC_SI) +static const struct audio_funcs dce60_funcs = { + .endpoint_valid = dce_aud_endpoint_valid, + .hw_init = dce_aud_hw_init, + .wall_dto_setup = dce60_aud_wall_dto_setup, + .az_enable = dce_aud_az_enable, + .az_disable = dce_aud_az_disable, + .az_configure = dce_aud_az_configure, + .destroy = dce_aud_destroy, +}; +#endif + void dce_aud_destroy(struct audio **audio) { struct dce_audio *aud = DCE_AUD(*audio); @@ -936,7 +1040,7 @@ struct audio *dce_audio_create( unsigned int inst, const struct dce_audio_registers *reg, const struct dce_audio_shift *shifts, - const struct dce_aduio_mask *masks + const struct dce_audio_mask *masks ) { struct dce_audio *audio = kzalloc(sizeof(*audio), GFP_KERNEL); @@ -953,7 +1057,32 @@ struct audio *dce_audio_create( audio->regs = reg; audio->shifts = shifts; audio->masks = masks; - return &audio->base; } +#if defined(CONFIG_DRM_AMD_DC_SI) +struct audio *dce60_audio_create( + struct dc_context *ctx, + unsigned int inst, + const struct dce_audio_registers *reg, + const struct dce_audio_shift *shifts, + const struct dce_audio_mask *masks + ) +{ + struct dce_audio *audio = kzalloc(sizeof(*audio), GFP_KERNEL); + + if (audio == NULL) { + ASSERT_CRITICAL(audio); + return NULL; + } + + audio->base.ctx = ctx; + audio->base.inst = inst; + audio->base.funcs = &dce60_funcs; + + audio->regs = reg; + audio->shifts = shifts; + audio->masks = masks; + return &audio->base; +} +#endif |