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 | 131 |
1 files changed, 131 insertions, 0 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 408046579712..2a2a0fdb9253 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -867,6 +867,98 @@ void dce_aud_wall_dto_setup( } } +#if defined(CONFIG_DRM_AMD_DC_SI) +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; @@ -926,6 +1018,19 @@ static const struct audio_funcs funcs = { .az_configure = dce_aud_az_configure, .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); @@ -959,3 +1064,29 @@ struct audio *dce_audio_create( 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 |