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v4.6
  1/*
  2 * Copyright 2013 Advanced Micro Devices, Inc.
  3 * Copyright 2014 Rafał Miłecki
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 */
 23#include <linux/hdmi.h>
 24#include <drm/drmP.h>
 25#include "radeon.h"
 26#include "radeon_asic.h"
 27#include "radeon_audio.h"
 28#include "r600d.h"
 29
 30void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
 31	u8 *sadb, int sad_count)
 32{
 33	struct radeon_device *rdev = encoder->dev->dev_private;
 34	u32 tmp;
 35
 36	/* program the speaker allocation */
 37	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
 38	tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK);
 39	/* set HDMI mode */
 40	tmp |= HDMI_CONNECTION;
 41	if (sad_count)
 42		tmp |= SPEAKER_ALLOCATION(sadb[0]);
 43	else
 44		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
 45	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
 46}
 47
 48void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
 49	u8 *sadb, int sad_count)
 50{
 51	struct radeon_device *rdev = encoder->dev->dev_private;
 52	u32 tmp;
 53
 54	/* program the speaker allocation */
 55	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
 56	tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK);
 57	/* set DP mode */
 58	tmp |= DP_CONNECTION;
 59	if (sad_count)
 60		tmp |= SPEAKER_ALLOCATION(sadb[0]);
 61	else
 62		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
 63	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
 64}
 65
 66void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
 67	struct cea_sad *sads, int sad_count)
 68{
 69	int i;
 70	struct radeon_device *rdev = encoder->dev->dev_private;
 71	static const u16 eld_reg_to_type[][2] = {
 72		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
 73		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
 74		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
 75		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
 76		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
 77		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
 78		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
 79		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
 80		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
 81		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
 82		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
 83		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
 84	};
 85
 86	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
 87		u32 value = 0;
 88		u8 stereo_freqs = 0;
 89		int max_channels = -1;
 90		int j;
 91
 92		for (j = 0; j < sad_count; j++) {
 93			struct cea_sad *sad = &sads[j];
 94
 95			if (sad->format == eld_reg_to_type[i][1]) {
 96				if (sad->channels > max_channels) {
 97					value = MAX_CHANNELS(sad->channels) |
 98						DESCRIPTOR_BYTE_2(sad->byte2) |
 99						SUPPORTED_FREQUENCIES(sad->freq);
100					max_channels = sad->channels;
101				}
102
103				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
104					stereo_freqs |= sad->freq;
105				else
106					break;
107			}
108		}
109
110		value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs);
111
112		WREG32_ENDPOINT(0, eld_reg_to_type[i][0], value);
113	}
114}
115
116void dce3_2_audio_set_dto(struct radeon_device *rdev,
117	struct radeon_crtc *crtc, unsigned int clock)
118{
119	struct radeon_encoder *radeon_encoder;
120	struct radeon_encoder_atom_dig *dig;
121	unsigned int max_ratio = clock / 24000;
122	u32 dto_phase;
123	u32 wallclock_ratio;
124	u32 dto_cntl;
125
126	if (!crtc)
127		return;
128
129	radeon_encoder = to_radeon_encoder(crtc->encoder);
130	dig = radeon_encoder->enc_priv;
131
132	if (!dig)
133		return;
134
135	if (max_ratio >= 8) {
136		dto_phase = 192 * 1000;
137		wallclock_ratio = 3;
138	} else if (max_ratio >= 4) {
139		dto_phase = 96 * 1000;
140		wallclock_ratio = 2;
141	} else if (max_ratio >= 2) {
142		dto_phase = 48 * 1000;
143		wallclock_ratio = 1;
144	} else {
145		dto_phase = 24 * 1000;
146		wallclock_ratio = 0;
147	}
148
149	/* Express [24MHz / target pixel clock] as an exact rational
150	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
151	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
152	 */
153	if (dig->dig_encoder == 0) {
154		dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
155		dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
156		WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
157		WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
158		WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
159		WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
160	} else {
161		dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
162		dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
163		WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl);
164		WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase);
165		WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
166		WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
167	}
168}
169
170void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
171	const struct radeon_hdmi_acr *acr)
172{
173	struct drm_device *dev = encoder->dev;
174	struct radeon_device *rdev = dev->dev_private;
175
176	WREG32(DCE3_HDMI0_ACR_PACKET_CONTROL + offset,
177		HDMI0_ACR_SOURCE |		/* select SW CTS value */
178		HDMI0_ACR_AUTO_SEND);	/* allow hw to sent ACR packets when required */
179
180	WREG32_P(HDMI0_ACR_32_0 + offset,
181		HDMI0_ACR_CTS_32(acr->cts_32khz),
182		~HDMI0_ACR_CTS_32_MASK);
183	WREG32_P(HDMI0_ACR_32_1 + offset,
184		HDMI0_ACR_N_32(acr->n_32khz),
185		~HDMI0_ACR_N_32_MASK);
186
187	WREG32_P(HDMI0_ACR_44_0 + offset,
188		HDMI0_ACR_CTS_44(acr->cts_44_1khz),
189		~HDMI0_ACR_CTS_44_MASK);
190	WREG32_P(HDMI0_ACR_44_1 + offset,
191		HDMI0_ACR_N_44(acr->n_44_1khz),
192		~HDMI0_ACR_N_44_MASK);
193
194	WREG32_P(HDMI0_ACR_48_0 + offset,
195		HDMI0_ACR_CTS_48(acr->cts_48khz),
196		~HDMI0_ACR_CTS_48_MASK);
197	WREG32_P(HDMI0_ACR_48_1 + offset,
198		HDMI0_ACR_N_48(acr->n_48khz),
199		~HDMI0_ACR_N_48_MASK);
200}
201
202void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset)
203{
204	struct drm_device *dev = encoder->dev;
205	struct radeon_device *rdev = dev->dev_private;
206
207	WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
208		HDMI0_AUDIO_DELAY_EN(1) |			/* default audio delay */
209		HDMI0_AUDIO_PACKETS_PER_LINE(3));	/* should be suffient for all audio modes and small enough for all hblanks */
210
211	WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
212		AFMT_AUDIO_SAMPLE_SEND |			/* send audio packets */
213		AFMT_60958_CS_UPDATE);				/* allow 60958 channel status fields to be updated */
214
215	WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
216		HDMI0_AUDIO_INFO_SEND |				/* enable audio info frames (frames won't be set until audio is enabled) */
217		HDMI0_AUDIO_INFO_CONT);				/* send audio info frames every frame/field */
218
219	WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset,
220		HDMI0_AUDIO_INFO_LINE(2));			/* anything other than 0 */
221}
222
223void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
224{
225	struct drm_device *dev = encoder->dev;
226	struct radeon_device *rdev = dev->dev_private;
227
228	if (mute)
229		WREG32_OR(HDMI0_GC + offset, HDMI0_GC_AVMUTE);
230	else
231		WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE);
232}
v6.2
  1/*
  2 * Copyright 2013 Advanced Micro Devices, Inc.
  3 * Copyright 2014 Rafał Miłecki
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 */
 23#include <linux/hdmi.h>
 24
 25#include "radeon.h"
 26#include "radeon_asic.h"
 27#include "radeon_audio.h"
 28#include "r600d.h"
 29
 30void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
 31	u8 *sadb, int sad_count)
 32{
 33	struct radeon_device *rdev = encoder->dev->dev_private;
 34	u32 tmp;
 35
 36	/* program the speaker allocation */
 37	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
 38	tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK);
 39	/* set HDMI mode */
 40	tmp |= HDMI_CONNECTION;
 41	if (sad_count)
 42		tmp |= SPEAKER_ALLOCATION(sadb[0]);
 43	else
 44		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
 45	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
 46}
 47
 48void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
 49	u8 *sadb, int sad_count)
 50{
 51	struct radeon_device *rdev = encoder->dev->dev_private;
 52	u32 tmp;
 53
 54	/* program the speaker allocation */
 55	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
 56	tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK);
 57	/* set DP mode */
 58	tmp |= DP_CONNECTION;
 59	if (sad_count)
 60		tmp |= SPEAKER_ALLOCATION(sadb[0]);
 61	else
 62		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
 63	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
 64}
 65
 66void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
 67	struct cea_sad *sads, int sad_count)
 68{
 69	int i;
 70	struct radeon_device *rdev = encoder->dev->dev_private;
 71	static const u16 eld_reg_to_type[][2] = {
 72		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
 73		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
 74		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
 75		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
 76		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
 77		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
 78		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
 79		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
 80		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
 81		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
 82		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
 83		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
 84	};
 85
 86	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
 87		u32 value = 0;
 88		u8 stereo_freqs = 0;
 89		int max_channels = -1;
 90		int j;
 91
 92		for (j = 0; j < sad_count; j++) {
 93			struct cea_sad *sad = &sads[j];
 94
 95			if (sad->format == eld_reg_to_type[i][1]) {
 96				if (sad->channels > max_channels) {
 97					value = MAX_CHANNELS(sad->channels) |
 98						DESCRIPTOR_BYTE_2(sad->byte2) |
 99						SUPPORTED_FREQUENCIES(sad->freq);
100					max_channels = sad->channels;
101				}
102
103				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
104					stereo_freqs |= sad->freq;
105				else
106					break;
107			}
108		}
109
110		value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs);
111
112		WREG32_ENDPOINT(0, eld_reg_to_type[i][0], value);
113	}
114}
115
116void dce3_2_audio_set_dto(struct radeon_device *rdev,
117	struct radeon_crtc *crtc, unsigned int clock)
118{
119	struct radeon_encoder *radeon_encoder;
120	struct radeon_encoder_atom_dig *dig;
121	unsigned int max_ratio = clock / 24000;
122	u32 dto_phase;
123	u32 wallclock_ratio;
124	u32 dto_cntl;
125
126	if (!crtc)
127		return;
128
129	radeon_encoder = to_radeon_encoder(crtc->encoder);
130	dig = radeon_encoder->enc_priv;
131
132	if (!dig)
133		return;
134
135	if (max_ratio >= 8) {
136		dto_phase = 192 * 1000;
137		wallclock_ratio = 3;
138	} else if (max_ratio >= 4) {
139		dto_phase = 96 * 1000;
140		wallclock_ratio = 2;
141	} else if (max_ratio >= 2) {
142		dto_phase = 48 * 1000;
143		wallclock_ratio = 1;
144	} else {
145		dto_phase = 24 * 1000;
146		wallclock_ratio = 0;
147	}
148
149	/* Express [24MHz / target pixel clock] as an exact rational
150	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
151	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
152	 */
153	if (dig->dig_encoder == 0) {
154		dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
155		dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
156		WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
157		WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
158		WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
159		WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
160	} else {
161		dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
162		dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
163		WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl);
164		WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase);
165		WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
166		WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
167	}
168}
169
170void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
171	const struct radeon_hdmi_acr *acr)
172{
173	struct drm_device *dev = encoder->dev;
174	struct radeon_device *rdev = dev->dev_private;
175
176	WREG32(DCE3_HDMI0_ACR_PACKET_CONTROL + offset,
177		HDMI0_ACR_SOURCE |		/* select SW CTS value */
178		HDMI0_ACR_AUTO_SEND);	/* allow hw to sent ACR packets when required */
179
180	WREG32_P(HDMI0_ACR_32_0 + offset,
181		HDMI0_ACR_CTS_32(acr->cts_32khz),
182		~HDMI0_ACR_CTS_32_MASK);
183	WREG32_P(HDMI0_ACR_32_1 + offset,
184		HDMI0_ACR_N_32(acr->n_32khz),
185		~HDMI0_ACR_N_32_MASK);
186
187	WREG32_P(HDMI0_ACR_44_0 + offset,
188		HDMI0_ACR_CTS_44(acr->cts_44_1khz),
189		~HDMI0_ACR_CTS_44_MASK);
190	WREG32_P(HDMI0_ACR_44_1 + offset,
191		HDMI0_ACR_N_44(acr->n_44_1khz),
192		~HDMI0_ACR_N_44_MASK);
193
194	WREG32_P(HDMI0_ACR_48_0 + offset,
195		HDMI0_ACR_CTS_48(acr->cts_48khz),
196		~HDMI0_ACR_CTS_48_MASK);
197	WREG32_P(HDMI0_ACR_48_1 + offset,
198		HDMI0_ACR_N_48(acr->n_48khz),
199		~HDMI0_ACR_N_48_MASK);
200}
201
202void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset)
203{
204	struct drm_device *dev = encoder->dev;
205	struct radeon_device *rdev = dev->dev_private;
206
207	WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
208		HDMI0_AUDIO_DELAY_EN(1) |			/* default audio delay */
209		HDMI0_AUDIO_PACKETS_PER_LINE(3));	/* should be suffient for all audio modes and small enough for all hblanks */
210
211	WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
212		AFMT_AUDIO_SAMPLE_SEND |			/* send audio packets */
213		AFMT_60958_CS_UPDATE);				/* allow 60958 channel status fields to be updated */
214
215	WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
216		HDMI0_AUDIO_INFO_SEND |				/* enable audio info frames (frames won't be set until audio is enabled) */
217		HDMI0_AUDIO_INFO_CONT);				/* send audio info frames every frame/field */
218
219	WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset,
220		HDMI0_AUDIO_INFO_LINE(2));			/* anything other than 0 */
221}
222
223void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
224{
225	struct drm_device *dev = encoder->dev;
226	struct radeon_device *rdev = dev->dev_private;
227
228	if (mute)
229		WREG32_OR(HDMI0_GC + offset, HDMI0_GC_AVMUTE);
230	else
231		WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE);
232}