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  1/*
  2 * Copyright 2008 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 * Copyright 2009 Christian König.
  5 *
  6 * Permission is hereby granted, free of charge, to any person obtaining a
  7 * copy of this software and associated documentation files (the "Software"),
  8 * to deal in the Software without restriction, including without limitation
  9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 10 * and/or sell copies of the Software, and to permit persons to whom the
 11 * Software is furnished to do so, subject to the following conditions:
 12 *
 13 * The above copyright notice and this permission notice shall be included in
 14 * all copies or substantial portions of the Software.
 15 *
 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 22 * OTHER DEALINGS IN THE SOFTWARE.
 23 *
 24 * Authors: Christian König
 25 *          Rafał Miłecki
 26 */
 27#include <linux/hdmi.h>
 28
 29#include <drm/radeon_drm.h>
 30#include "evergreen_hdmi.h"
 31#include "radeon.h"
 32#include "radeon_asic.h"
 33#include "radeon_audio.h"
 34#include "evergreend.h"
 35#include "atom.h"
 36
 37/* enable the audio stream */
 38void dce4_audio_enable(struct radeon_device *rdev,
 39			      struct r600_audio_pin *pin,
 40			      u8 enable_mask)
 41{
 42	u32 tmp = RREG32(AZ_HOT_PLUG_CONTROL);
 43
 44	if (!pin)
 45		return;
 46
 47	if (enable_mask) {
 48		tmp |= AUDIO_ENABLED;
 49		if (enable_mask & 1)
 50			tmp |= PIN0_AUDIO_ENABLED;
 51		if (enable_mask & 2)
 52			tmp |= PIN1_AUDIO_ENABLED;
 53		if (enable_mask & 4)
 54			tmp |= PIN2_AUDIO_ENABLED;
 55		if (enable_mask & 8)
 56			tmp |= PIN3_AUDIO_ENABLED;
 57	} else {
 58		tmp &= ~(AUDIO_ENABLED |
 59			 PIN0_AUDIO_ENABLED |
 60			 PIN1_AUDIO_ENABLED |
 61			 PIN2_AUDIO_ENABLED |
 62			 PIN3_AUDIO_ENABLED);
 63	}
 64
 65	WREG32(AZ_HOT_PLUG_CONTROL, tmp);
 66}
 67
 68void evergreen_hdmi_update_acr(struct drm_encoder *encoder, long offset,
 69	const struct radeon_hdmi_acr *acr)
 70{
 71	struct drm_device *dev = encoder->dev;
 72	struct radeon_device *rdev = dev->dev_private;
 73	int bpc = 8;
 74
 75	if (encoder->crtc) {
 76		struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 77		bpc = radeon_crtc->bpc;
 78	}
 79
 80	if (bpc > 8)
 81		WREG32(HDMI_ACR_PACKET_CONTROL + offset,
 82			HDMI_ACR_AUTO_SEND);	/* allow hw to sent ACR packets when required */
 83	else
 84		WREG32(HDMI_ACR_PACKET_CONTROL + offset,
 85			HDMI_ACR_SOURCE |		/* select SW CTS value */
 86			HDMI_ACR_AUTO_SEND);	/* allow hw to sent ACR packets when required */
 87
 88	WREG32(HDMI_ACR_32_0 + offset, HDMI_ACR_CTS_32(acr->cts_32khz));
 89	WREG32(HDMI_ACR_32_1 + offset, acr->n_32khz);
 90
 91	WREG32(HDMI_ACR_44_0 + offset, HDMI_ACR_CTS_44(acr->cts_44_1khz));
 92	WREG32(HDMI_ACR_44_1 + offset, acr->n_44_1khz);
 93
 94	WREG32(HDMI_ACR_48_0 + offset, HDMI_ACR_CTS_48(acr->cts_48khz));
 95	WREG32(HDMI_ACR_48_1 + offset, acr->n_48khz);
 96}
 97
 98void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
 99		struct drm_connector *connector, struct drm_display_mode *mode)
100{
101	struct radeon_device *rdev = encoder->dev->dev_private;
102	u32 tmp = 0;
103
104	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
105		if (connector->latency_present[1])
106			tmp = VIDEO_LIPSYNC(connector->video_latency[1]) |
107				AUDIO_LIPSYNC(connector->audio_latency[1]);
108		else
109			tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255);
110	} else {
111		if (connector->latency_present[0])
112			tmp = VIDEO_LIPSYNC(connector->video_latency[0]) |
113				AUDIO_LIPSYNC(connector->audio_latency[0]);
114		else
115			tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255);
116	}
117	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp);
118}
119
120void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
121	u8 *sadb, int sad_count)
122{
123	struct radeon_device *rdev = encoder->dev->dev_private;
124	u32 tmp;
125
126	/* program the speaker allocation */
127	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
128	tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK);
129	/* set HDMI mode */
130	tmp |= HDMI_CONNECTION;
131	if (sad_count)
132		tmp |= SPEAKER_ALLOCATION(sadb[0]);
133	else
134		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
135	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
136}
137
138void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
139	u8 *sadb, int sad_count)
140{
141	struct radeon_device *rdev = encoder->dev->dev_private;
142	u32 tmp;
143
144	/* program the speaker allocation */
145	tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
146	tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK);
147	/* set DP mode */
148	tmp |= DP_CONNECTION;
149	if (sad_count)
150		tmp |= SPEAKER_ALLOCATION(sadb[0]);
151	else
152		tmp |= SPEAKER_ALLOCATION(5); /* stereo */
153	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
154}
155
156void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
157	struct cea_sad *sads, int sad_count)
158{
159	int i;
160	struct radeon_device *rdev = encoder->dev->dev_private;
161	static const u16 eld_reg_to_type[][2] = {
162		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
163		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
164		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
165		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
166		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
167		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
168		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
169		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
170		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
171		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
172		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
173		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
174	};
175
176	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
177		u32 value = 0;
178		u8 stereo_freqs = 0;
179		int max_channels = -1;
180		int j;
181
182		for (j = 0; j < sad_count; j++) {
183			struct cea_sad *sad = &sads[j];
184
185			if (sad->format == eld_reg_to_type[i][1]) {
186				if (sad->channels > max_channels) {
187					value = MAX_CHANNELS(sad->channels) |
188						DESCRIPTOR_BYTE_2(sad->byte2) |
189						SUPPORTED_FREQUENCIES(sad->freq);
190					max_channels = sad->channels;
191				}
192
193				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
194					stereo_freqs |= sad->freq;
195				else
196					break;
197			}
198		}
199
200		value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs);
201
202		WREG32_ENDPOINT(0, eld_reg_to_type[i][0], value);
203	}
204}
205
206/*
207 * build a AVI Info Frame
208 */
209void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
210			      unsigned char *buffer, size_t size)
211{
212	uint8_t *frame = buffer + 3;
213
214	WREG32(AFMT_AVI_INFO0 + offset,
215		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
216	WREG32(AFMT_AVI_INFO1 + offset,
217		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
218	WREG32(AFMT_AVI_INFO2 + offset,
219		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
220	WREG32(AFMT_AVI_INFO3 + offset,
221		frame[0xC] | (frame[0xD] << 8) | (buffer[1] << 24));
222
223	WREG32_P(HDMI_INFOFRAME_CONTROL1 + offset,
224		 HDMI_AVI_INFO_LINE(2),	/* anything other than 0 */
225		 ~HDMI_AVI_INFO_LINE_MASK);
226}
227
228void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
229	struct radeon_crtc *crtc, unsigned int clock)
230{
231	unsigned int max_ratio = clock / 24000;
232	u32 dto_phase;
233	u32 wallclock_ratio;
234	u32 value;
235
236	if (max_ratio >= 8) {
237		dto_phase = 192 * 1000;
238		wallclock_ratio = 3;
239	} else if (max_ratio >= 4) {
240		dto_phase = 96 * 1000;
241		wallclock_ratio = 2;
242	} else if (max_ratio >= 2) {
243		dto_phase = 48 * 1000;
244		wallclock_ratio = 1;
245	} else {
246		dto_phase = 24 * 1000;
247		wallclock_ratio = 0;
248	}
249
250	value = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
251	value |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
252	value &= ~DCCG_AUDIO_DTO1_USE_512FBR_DTO;
253	WREG32(DCCG_AUDIO_DTO0_CNTL, value);
254
255	/* Two dtos; generally use dto0 for HDMI */
256	value = 0;
257
258	if (crtc)
259		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
260
261	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
262
263	/* Express [24MHz / target pixel clock] as an exact rational
264	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
265	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
266	 */
267	WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
268	WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
269}
270
271void dce4_dp_audio_set_dto(struct radeon_device *rdev,
272			   struct radeon_crtc *crtc, unsigned int clock)
273{
274	u32 value;
275
276	value = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
277	value |= DCCG_AUDIO_DTO1_USE_512FBR_DTO;
278	WREG32(DCCG_AUDIO_DTO1_CNTL, value);
279
280	/* Two dtos; generally use dto1 for DP */
281	value = 0;
282	value |= DCCG_AUDIO_DTO_SEL;
283
284	if (crtc)
285		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
286
287	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
288
289	/* Express [24MHz / target pixel clock] as an exact rational
290	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
291	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
292	 */
293	if (ASIC_IS_DCE41(rdev)) {
294		unsigned int div = (RREG32(DCE41_DENTIST_DISPCLK_CNTL) &
295			DENTIST_DPREFCLK_WDIVIDER_MASK) >>
296			DENTIST_DPREFCLK_WDIVIDER_SHIFT;
297		div = radeon_audio_decode_dfs_div(div);
298
299		if (div)
300			clock = 100 * clock / div;
301	}
302
303	WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
304	WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
305}
306
307void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset)
308{
309	struct drm_device *dev = encoder->dev;
310	struct radeon_device *rdev = dev->dev_private;
311
312	WREG32(HDMI_VBI_PACKET_CONTROL + offset,
313		HDMI_NULL_SEND |	/* send null packets when required */
314		HDMI_GC_SEND |		/* send general control packets */
315		HDMI_GC_CONT);		/* send general control packets every frame */
316}
317
318void dce4_hdmi_set_color_depth(struct drm_encoder *encoder, u32 offset, int bpc)
319{
320	struct drm_device *dev = encoder->dev;
321	struct radeon_device *rdev = dev->dev_private;
322	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
323	uint32_t val;
324
325	val = RREG32(HDMI_CONTROL + offset);
326	val &= ~HDMI_DEEP_COLOR_ENABLE;
327	val &= ~HDMI_DEEP_COLOR_DEPTH_MASK;
328
329	switch (bpc) {
330		case 0:
331		case 6:
332		case 8:
333		case 16:
334		default:
335			DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
336					 connector->name, bpc);
337			break;
338		case 10:
339			val |= HDMI_DEEP_COLOR_ENABLE;
340			val |= HDMI_DEEP_COLOR_DEPTH(HDMI_30BIT_DEEP_COLOR);
341			DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
342					 connector->name);
343			break;
344		case 12:
345			val |= HDMI_DEEP_COLOR_ENABLE;
346			val |= HDMI_DEEP_COLOR_DEPTH(HDMI_36BIT_DEEP_COLOR);
347			DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
348					 connector->name);
349			break;
350	}
351
352	WREG32(HDMI_CONTROL + offset, val);
353}
354
355void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset)
356{
357	struct drm_device *dev = encoder->dev;
358	struct radeon_device *rdev = dev->dev_private;
359
360	WREG32(AFMT_INFOFRAME_CONTROL0 + offset,
361		AFMT_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */
362
363	WREG32(AFMT_60958_0 + offset,
364		AFMT_60958_CS_CHANNEL_NUMBER_L(1));
365
366	WREG32(AFMT_60958_1 + offset,
367		AFMT_60958_CS_CHANNEL_NUMBER_R(2));
368
369	WREG32(AFMT_60958_2 + offset,
370		AFMT_60958_CS_CHANNEL_NUMBER_2(3) |
371		AFMT_60958_CS_CHANNEL_NUMBER_3(4) |
372		AFMT_60958_CS_CHANNEL_NUMBER_4(5) |
373		AFMT_60958_CS_CHANNEL_NUMBER_5(6) |
374		AFMT_60958_CS_CHANNEL_NUMBER_6(7) |
375		AFMT_60958_CS_CHANNEL_NUMBER_7(8));
376
377	WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset,
378		AFMT_AUDIO_CHANNEL_ENABLE(0xff));
379
380	WREG32(HDMI_AUDIO_PACKET_CONTROL + offset,
381	       HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */
382	       HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
383
384	/* allow 60958 channel status and send audio packets fields to be updated */
385	WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + offset,
386		  AFMT_RESET_FIFO_WHEN_AUDIO_DIS | AFMT_60958_CS_UPDATE);
387}
388
389
390void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
391{
392	struct drm_device *dev = encoder->dev;
393	struct radeon_device *rdev = dev->dev_private;
394
395	if (mute)
396		WREG32_OR(HDMI_GC + offset, HDMI_GC_AVMUTE);
397	else
398		WREG32_AND(HDMI_GC + offset, ~HDMI_GC_AVMUTE);
399}
400
401void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
402{
403	struct drm_device *dev = encoder->dev;
404	struct radeon_device *rdev = dev->dev_private;
405	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
406	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
407
408	if (!dig || !dig->afmt)
409		return;
410
411	if (enable) {
412		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
413
414		if (connector && drm_detect_monitor_audio(radeon_connector_edid(connector))) {
415			WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
416			       HDMI_AVI_INFO_SEND | /* enable AVI info frames */
417			       HDMI_AVI_INFO_CONT | /* required for audio info values to be updated */
418			       HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
419			       HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */
420			WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
421				  AFMT_AUDIO_SAMPLE_SEND);
422		} else {
423			WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
424			       HDMI_AVI_INFO_SEND | /* enable AVI info frames */
425			       HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */
426			WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
427				   ~AFMT_AUDIO_SAMPLE_SEND);
428		}
429	} else {
430		WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
431			   ~AFMT_AUDIO_SAMPLE_SEND);
432		WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, 0);
433	}
434
435	dig->afmt->enabled = enable;
436
437	DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
438		  enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);
439}
440
441void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
442{
443	struct drm_device *dev = encoder->dev;
444	struct radeon_device *rdev = dev->dev_private;
445	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
446	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
447	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
448
449	if (!dig || !dig->afmt)
450		return;
451
452	if (enable && connector &&
453	    drm_detect_monitor_audio(radeon_connector_edid(connector))) {
454		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
455		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
456		struct radeon_connector_atom_dig *dig_connector;
457		uint32_t val;
458
459		WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
460			  AFMT_AUDIO_SAMPLE_SEND);
461
462		WREG32(EVERGREEN_DP_SEC_TIMESTAMP + dig->afmt->offset,
463		       EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
464
465		if (!ASIC_IS_DCE6(rdev) && radeon_connector->con_priv) {
466			dig_connector = radeon_connector->con_priv;
467			val = RREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset);
468			val &= ~EVERGREEN_DP_SEC_N_BASE_MULTIPLE(0xf);
469
470			if (dig_connector->dp_clock == 162000)
471				val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(3);
472			else
473				val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(5);
474
475			WREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset, val);
476		}
477
478		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset,
479			EVERGREEN_DP_SEC_ASP_ENABLE |		/* Audio packet transmission */
480			EVERGREEN_DP_SEC_ATP_ENABLE |		/* Audio timestamp packet transmission */
481			EVERGREEN_DP_SEC_AIP_ENABLE |		/* Audio infoframe packet transmission */
482			EVERGREEN_DP_SEC_STREAM_ENABLE);	/* Master enable for secondary stream engine */
483	} else {
484		WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset, 0);
485		WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
486			   ~AFMT_AUDIO_SAMPLE_SEND);
487	}
488
489	dig->afmt->enabled = enable;
490}