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 */
dce4_audio_enable(struct radeon_device * rdev,struct r600_audio_pin * pin,u8 enable_mask)38 void 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
evergreen_hdmi_update_acr(struct drm_encoder * encoder,long offset,const struct radeon_hdmi_acr * acr)68 void 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
dce4_afmt_write_latency_fields(struct drm_encoder * encoder,struct drm_connector * connector,struct drm_display_mode * mode)98 void 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
dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder * encoder,u8 * sadb,int sad_count)120 void 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
dce4_afmt_dp_write_speaker_allocation(struct drm_encoder * encoder,u8 * sadb,int sad_count)138 void 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
evergreen_hdmi_write_sad_regs(struct drm_encoder * encoder,struct cea_sad * sads,int sad_count)156 void 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 */
evergreen_set_avi_packet(struct radeon_device * rdev,u32 offset,unsigned char * buffer,size_t size)209 void 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
dce4_hdmi_audio_set_dto(struct radeon_device * rdev,struct radeon_crtc * crtc,unsigned int clock)228 void 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
dce4_dp_audio_set_dto(struct radeon_device * rdev,struct radeon_crtc * crtc,unsigned int clock)271 void 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
dce4_set_vbi_packet(struct drm_encoder * encoder,u32 offset)307 void 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
dce4_hdmi_set_color_depth(struct drm_encoder * encoder,u32 offset,int bpc)318 void 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
dce4_set_audio_packet(struct drm_encoder * encoder,u32 offset)355 void 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
dce4_set_mute(struct drm_encoder * encoder,u32 offset,bool mute)390 void 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
evergreen_hdmi_enable(struct drm_encoder * encoder,bool enable)401 void 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
evergreen_dp_enable(struct drm_encoder * encoder,bool enable)441 void 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 }
491