diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/dce6_afmt.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/dce6_afmt.c | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c new file mode 100644 index 000000000..4a1d5447e --- /dev/null +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -0,0 +1,319 @@ +/* + * Copyright 2013 Advanced Micro Devices, Inc. + * + * 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 "dce6_afmt.h" +#include "radeon.h" +#include "radeon_audio.h" +#include "sid.h" + +#define DCE8_DCCG_AUDIO_DTO1_PHASE 0x05b8 +#define DCE8_DCCG_AUDIO_DTO1_MODULE 0x05bc + +u32 dce6_endpoint_rreg(struct radeon_device *rdev, + u32 block_offset, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->end_idx_lock, flags); + WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); + r = RREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset); + spin_unlock_irqrestore(&rdev->end_idx_lock, flags); + + return r; +} + +void dce6_endpoint_wreg(struct radeon_device *rdev, + u32 block_offset, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->end_idx_lock, flags); + if (ASIC_IS_DCE8(rdev)) + WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); + else + WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, + AZ_ENDPOINT_REG_WRITE_EN | AZ_ENDPOINT_REG_INDEX(reg)); + WREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset, v); + spin_unlock_irqrestore(&rdev->end_idx_lock, flags); +} + +static void dce6_afmt_get_connected_pins(struct radeon_device *rdev) +{ + int i; + u32 offset, tmp; + + for (i = 0; i < rdev->audio.num_pins; i++) { + offset = rdev->audio.pin[i].offset; + tmp = RREG32_ENDPOINT(offset, + AZ_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); + if (((tmp & PORT_CONNECTIVITY_MASK) >> PORT_CONNECTIVITY_SHIFT) == 1) + rdev->audio.pin[i].connected = false; + else + rdev->audio.pin[i].connected = true; + } +} + +struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev) +{ + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + struct r600_audio_pin *pin = NULL; + int i, pin_count; + + dce6_afmt_get_connected_pins(rdev); + + for (i = 0; i < rdev->audio.num_pins; i++) { + if (rdev->audio.pin[i].connected) { + pin = &rdev->audio.pin[i]; + pin_count = 0; + + list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { + if (radeon_encoder_is_digital(encoder)) { + radeon_encoder = to_radeon_encoder(encoder); + dig = radeon_encoder->enc_priv; + if (dig->pin == pin) + pin_count++; + } + } + + if (pin_count == 0) + return pin; + } + } + if (!pin) + DRM_ERROR("No connected audio pins found!\n"); + return pin; +} + +void dce6_afmt_select_pin(struct drm_encoder *encoder) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + + if (!dig || !dig->afmt || !dig->pin) + return; + + WREG32(AFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, + AFMT_AUDIO_SRC_SELECT(dig->pin->id)); +} + +void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, + struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + u32 tmp = 0; + + if (!dig || !dig->afmt || !dig->pin) + return; + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + if (connector->latency_present[1]) + tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | + AUDIO_LIPSYNC(connector->audio_latency[1]); + else + tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); + } else { + if (connector->latency_present[0]) + tmp = VIDEO_LIPSYNC(connector->video_latency[0]) | + AUDIO_LIPSYNC(connector->audio_latency[0]); + else + tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); + } + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); +} + +void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, + u8 *sadb, int sad_count) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + u32 tmp; + + if (!dig || !dig->afmt || !dig->pin) + return; + + /* program the speaker allocation */ + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_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(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); +} + +void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, + u8 *sadb, int sad_count) +{ + struct radeon_device *rdev = encoder->dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + u32 tmp; + + if (!dig || !dig->afmt || !dig->pin) + return; + + /* program the speaker allocation */ + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_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(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); +} + +void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, + struct cea_sad *sads, int sad_count) +{ + int i; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct radeon_device *rdev = encoder->dev->dev_private; + static const u16 eld_reg_to_type[][2] = { + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, + { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, + }; + + if (!dig || !dig->afmt || !dig->pin) + return; + + 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(dig->pin->offset, eld_reg_to_type[i][0], value); + } +} + +void dce6_audio_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, + u8 enable_mask) +{ + if (!pin) + return; + + WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, + enable_mask ? AUDIO_ENABLED : 0); +} + +void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, + struct radeon_crtc *crtc, unsigned int clock) +{ + /* Two dtos; generally use dto0 for HDMI */ + u32 value = 0; + + if (crtc) + value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id); + + WREG32(DCCG_AUDIO_DTO_SOURCE, value); + + /* 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 + */ + WREG32(DCCG_AUDIO_DTO0_PHASE, 24000); + WREG32(DCCG_AUDIO_DTO0_MODULE, clock); +} + +void dce6_dp_audio_set_dto(struct radeon_device *rdev, + struct radeon_crtc *crtc, unsigned int clock) +{ + /* Two dtos; generally use dto1 for DP */ + u32 value = 0; + value |= DCCG_AUDIO_DTO_SEL; + + if (crtc) + value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id); + + WREG32(DCCG_AUDIO_DTO_SOURCE, value); + + /* 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 (ASIC_IS_DCE8(rdev)) { + unsigned int div = (RREG32(DENTIST_DISPCLK_CNTL) & + DENTIST_DPREFCLK_WDIVIDER_MASK) >> + DENTIST_DPREFCLK_WDIVIDER_SHIFT; + div = radeon_audio_decode_dfs_div(div); + + if (div) + clock = clock * 100 / div; + + WREG32(DCE8_DCCG_AUDIO_DTO1_PHASE, 24000); + WREG32(DCE8_DCCG_AUDIO_DTO1_MODULE, clock); + } else { + WREG32(DCCG_AUDIO_DTO1_PHASE, 24000); + WREG32(DCCG_AUDIO_DTO1_MODULE, clock); + } +} |