diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/dce3_1_afmt.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/dce3_1_afmt.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/dce3_1_afmt.c b/drivers/gpu/drm/radeon/dce3_1_afmt.c new file mode 100644 index 000000000..e8fe239b9 --- /dev/null +++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c @@ -0,0 +1,232 @@ +/* + * Copyright 2013 Advanced Micro Devices, Inc. + * Copyright 2014 Rafał Miłecki + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include <linux/hdmi.h> + +#include "radeon.h" +#include "radeon_asic.h" +#include "radeon_audio.h" +#include "r600d.h" + +void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, + u8 *sadb, int sad_count) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + u32 tmp; + + /* program the speaker allocation */ + tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); + tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); + /* set HDMI mode */ + tmp |= HDMI_CONNECTION; + if (sad_count) + tmp |= SPEAKER_ALLOCATION(sadb[0]); + else + tmp |= SPEAKER_ALLOCATION(5); /* stereo */ + WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); +} + +void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, + u8 *sadb, int sad_count) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + u32 tmp; + + /* program the speaker allocation */ + tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); + tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK); + /* set DP mode */ + tmp |= DP_CONNECTION; + if (sad_count) + tmp |= SPEAKER_ALLOCATION(sadb[0]); + else + tmp |= SPEAKER_ALLOCATION(5); /* stereo */ + WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); +} + +void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder, + struct cea_sad *sads, int sad_count) +{ + int i; + struct radeon_device *rdev = encoder->dev->dev_private; + 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 }, + }; + + for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { + u32 value = 0; + u8 stereo_freqs = 0; + int max_channels = -1; + int j; + + for (j = 0; j < sad_count; j++) { + struct cea_sad *sad = &sads[j]; + + if (sad->format == eld_reg_to_type[i][1]) { + if (sad->channels > max_channels) { + value = MAX_CHANNELS(sad->channels) | + DESCRIPTOR_BYTE_2(sad->byte2) | + SUPPORTED_FREQUENCIES(sad->freq); + max_channels = sad->channels; + } + + if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) + stereo_freqs |= sad->freq; + else + break; + } + } + + value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); + + WREG32_ENDPOINT(0, eld_reg_to_type[i][0], value); + } +} + +void dce3_2_audio_set_dto(struct radeon_device *rdev, + struct radeon_crtc *crtc, unsigned int clock) +{ + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + unsigned int max_ratio = clock / 24000; + u32 dto_phase; + u32 wallclock_ratio; + u32 dto_cntl; + + if (!crtc) + return; + + radeon_encoder = to_radeon_encoder(crtc->encoder); + dig = radeon_encoder->enc_priv; + + if (!dig) + return; + + if (max_ratio >= 8) { + dto_phase = 192 * 1000; + wallclock_ratio = 3; + } else if (max_ratio >= 4) { + dto_phase = 96 * 1000; + wallclock_ratio = 2; + } else if (max_ratio >= 2) { + dto_phase = 48 * 1000; + wallclock_ratio = 1; + } else { + dto_phase = 24 * 1000; + wallclock_ratio = 0; + } + + /* Express [24MHz / target pixel clock] as an exact rational + * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE + * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator + */ + if (dig->dig_encoder == 0) { + dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; + dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); + WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl); + WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); + WREG32(DCCG_AUDIO_DTO0_MODULE, clock); + WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ + } else { + dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; + dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); + WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl); + WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase); + WREG32(DCCG_AUDIO_DTO1_MODULE, clock); + WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ + } +} + +void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset, + const struct radeon_hdmi_acr *acr) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + + WREG32(DCE3_HDMI0_ACR_PACKET_CONTROL + offset, + HDMI0_ACR_SOURCE | /* select SW CTS value */ + HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ + + WREG32_P(HDMI0_ACR_32_0 + offset, + HDMI0_ACR_CTS_32(acr->cts_32khz), + ~HDMI0_ACR_CTS_32_MASK); + WREG32_P(HDMI0_ACR_32_1 + offset, + HDMI0_ACR_N_32(acr->n_32khz), + ~HDMI0_ACR_N_32_MASK); + + WREG32_P(HDMI0_ACR_44_0 + offset, + HDMI0_ACR_CTS_44(acr->cts_44_1khz), + ~HDMI0_ACR_CTS_44_MASK); + WREG32_P(HDMI0_ACR_44_1 + offset, + HDMI0_ACR_N_44(acr->n_44_1khz), + ~HDMI0_ACR_N_44_MASK); + + WREG32_P(HDMI0_ACR_48_0 + offset, + HDMI0_ACR_CTS_48(acr->cts_48khz), + ~HDMI0_ACR_CTS_48_MASK); + WREG32_P(HDMI0_ACR_48_1 + offset, + HDMI0_ACR_N_48(acr->n_48khz), + ~HDMI0_ACR_N_48_MASK); +} + +void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + + WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, + HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ + HDMI0_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */ + + WREG32(AFMT_AUDIO_PACKET_CONTROL + offset, + AFMT_AUDIO_SAMPLE_SEND | /* send audio packets */ + AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ + + WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset, + HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ + HDMI0_AUDIO_INFO_CONT); /* send audio info frames every frame/field */ + + WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset, + HDMI0_AUDIO_INFO_LINE(2)); /* anything other than 0 */ +} + +void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + + if (mute) + WREG32_OR(HDMI0_GC + offset, HDMI0_GC_AVMUTE); + else + WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE); +} |