2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Christian König.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * Authors: Christian König
26 #include <linux/hdmi.h>
28 #include <drm/radeon_drm.h>
30 #include "radeon_asic.h"
37 enum r600_hdmi_color_format {
44 * IEC60958 status bits
46 enum r600_hdmi_iec_status_bits {
47 AUDIO_STATUS_DIG_ENABLE = 0x01,
48 AUDIO_STATUS_V = 0x02,
49 AUDIO_STATUS_VCFG = 0x04,
50 AUDIO_STATUS_EMPHASIS = 0x08,
51 AUDIO_STATUS_COPYRIGHT = 0x10,
52 AUDIO_STATUS_NONAUDIO = 0x20,
53 AUDIO_STATUS_PROFESSIONAL = 0x40,
54 AUDIO_STATUS_LEVEL = 0x80
57 static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = {
58 /* 32kHz 44.1kHz 48kHz */
59 /* Clock N CTS N CTS N CTS */
60 { 25175, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */
61 { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */
62 { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */
63 { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */
64 { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */
65 { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */
66 { 74176, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */
67 { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */
68 { 148352, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */
69 { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */
70 { 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */
74 * calculate CTS value if it's not found in the table
76 static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int N, int freq)
82 n = (u64)clock * (u64)N * 1000ULL;
87 DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n",
91 struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock)
93 struct radeon_hdmi_acr res;
96 for (i = 0; r600_hdmi_predefined_acr[i].clock != clock &&
97 r600_hdmi_predefined_acr[i].clock != 0; i++)
99 res = r600_hdmi_predefined_acr[i];
101 /* In case some CTS are missing */
102 r600_hdmi_calc_cts(clock, &res.cts_32khz, res.n_32khz, 32000);
103 r600_hdmi_calc_cts(clock, &res.cts_44_1khz, res.n_44_1khz, 44100);
104 r600_hdmi_calc_cts(clock, &res.cts_48khz, res.n_48khz, 48000);
110 * update the N and CTS parameters for a given pixel clock rate
112 static void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock)
114 struct drm_device *dev = encoder->dev;
115 struct radeon_device *rdev = dev->dev_private;
116 struct radeon_hdmi_acr acr = r600_hdmi_acr(clock);
117 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
118 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
119 uint32_t offset = dig->afmt->offset;
121 WREG32(HDMI0_ACR_32_0 + offset, HDMI0_ACR_CTS_32(acr.cts_32khz));
122 WREG32(HDMI0_ACR_32_1 + offset, acr.n_32khz);
124 WREG32(HDMI0_ACR_44_0 + offset, HDMI0_ACR_CTS_44(acr.cts_44_1khz));
125 WREG32(HDMI0_ACR_44_1 + offset, acr.n_44_1khz);
127 WREG32(HDMI0_ACR_48_0 + offset, HDMI0_ACR_CTS_48(acr.cts_48khz));
128 WREG32(HDMI0_ACR_48_1 + offset, acr.n_48khz);
132 * build a HDMI Video Info Frame
134 static void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder,
135 void *buffer, size_t size)
137 struct drm_device *dev = encoder->dev;
138 struct radeon_device *rdev = dev->dev_private;
139 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
140 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
141 uint32_t offset = dig->afmt->offset;
142 uint8_t *frame = buffer + 3;
143 uint8_t *header = buffer;
145 WREG32(HDMI0_AVI_INFO0 + offset,
146 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
147 WREG32(HDMI0_AVI_INFO1 + offset,
148 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
149 WREG32(HDMI0_AVI_INFO2 + offset,
150 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
151 WREG32(HDMI0_AVI_INFO3 + offset,
152 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
156 * build a Audio Info Frame
158 static void r600_hdmi_update_audio_infoframe(struct drm_encoder *encoder,
159 const void *buffer, size_t size)
161 struct drm_device *dev = encoder->dev;
162 struct radeon_device *rdev = dev->dev_private;
163 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
164 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
165 uint32_t offset = dig->afmt->offset;
166 const u8 *frame = buffer + 3;
168 WREG32(HDMI0_AUDIO_INFO0 + offset,
169 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
170 WREG32(HDMI0_AUDIO_INFO1 + offset,
171 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24));
175 * test if audio buffer is filled enough to start playing
177 static bool r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder)
179 struct drm_device *dev = encoder->dev;
180 struct radeon_device *rdev = dev->dev_private;
181 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
182 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
183 uint32_t offset = dig->afmt->offset;
185 return (RREG32(HDMI0_STATUS + offset) & 0x10) != 0;
189 * have buffer status changed since last call?
191 int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder)
193 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
194 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
197 if (!dig->afmt || !dig->afmt->enabled)
200 status = r600_hdmi_is_audio_buffer_filled(encoder);
201 result = dig->afmt->last_buffer_filled_status != status;
202 dig->afmt->last_buffer_filled_status = status;
208 * write the audio workaround status to the hardware
210 static void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
212 struct drm_device *dev = encoder->dev;
213 struct radeon_device *rdev = dev->dev_private;
214 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
215 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
216 uint32_t offset = dig->afmt->offset;
217 bool hdmi_audio_workaround = false; /* FIXME */
220 if (!hdmi_audio_workaround ||
221 r600_hdmi_is_audio_buffer_filled(encoder))
222 value = 0; /* disable workaround */
224 value = HDMI0_AUDIO_TEST_EN; /* enable workaround */
225 WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset,
226 value, ~HDMI0_AUDIO_TEST_EN);
229 void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
231 struct drm_device *dev = encoder->dev;
232 struct radeon_device *rdev = dev->dev_private;
233 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
234 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
235 u32 base_rate = 24000;
236 u32 max_ratio = clock / base_rate;
238 u32 dto_modulo = clock;
242 if (!dig || !dig->afmt)
245 if (max_ratio >= 8) {
246 dto_phase = 192 * 1000;
248 } else if (max_ratio >= 4) {
249 dto_phase = 96 * 1000;
251 } else if (max_ratio >= 2) {
252 dto_phase = 48 * 1000;
255 dto_phase = 24 * 1000;
259 /* there are two DTOs selected by DCCG_AUDIO_DTO_SELECT.
260 * doesn't matter which one you use. Just use the first one.
262 /* XXX two dtos; generally use dto0 for hdmi */
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
267 if (ASIC_IS_DCE32(rdev)) {
268 if (dig->dig_encoder == 0) {
269 dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
270 dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
271 WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
272 WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
273 WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo);
274 WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
276 dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
277 dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
278 WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl);
279 WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase);
280 WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
281 WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
283 } else if (ASIC_IS_DCE3(rdev)) {
284 /* according to the reg specs, this should DCE3.2 only, but in
285 * practice it seems to cover DCE3.0/3.1 as well.
287 if (dig->dig_encoder == 0) {
288 WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
289 WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
290 WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
292 WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100);
293 WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
294 WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
297 /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */
298 WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
299 AUDIO_DTO_MODULE(clock / 10));
303 static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder)
305 struct radeon_device *rdev = encoder->dev->dev_private;
306 struct drm_connector *connector;
307 struct radeon_connector *radeon_connector = NULL;
312 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
313 if (connector->encoder == encoder)
314 radeon_connector = to_radeon_connector(connector);
317 if (!radeon_connector) {
318 DRM_ERROR("Couldn't find encoder's connector\n");
322 sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
324 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
328 /* program the speaker allocation */
329 tmp = RREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
330 tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK);
332 tmp |= HDMI_CONNECTION;
334 tmp |= SPEAKER_ALLOCATION(sadb[0]);
336 tmp |= SPEAKER_ALLOCATION(5); /* stereo */
337 WREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
342 static void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder)
344 struct radeon_device *rdev = encoder->dev->dev_private;
345 struct drm_connector *connector;
346 struct radeon_connector *radeon_connector = NULL;
347 struct cea_sad *sads;
350 static const u16 eld_reg_to_type[][2] = {
351 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
352 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
353 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
354 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
355 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
356 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
357 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
358 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
359 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
360 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
361 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
362 { AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
365 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
366 if (connector->encoder == encoder)
367 radeon_connector = to_radeon_connector(connector);
370 if (!radeon_connector) {
371 DRM_ERROR("Couldn't find encoder's connector\n");
375 sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
377 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
382 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
386 for (j = 0; j < sad_count; j++) {
387 struct cea_sad *sad = &sads[j];
389 if (sad->format == eld_reg_to_type[i][1]) {
390 value = MAX_CHANNELS(sad->channels) |
391 DESCRIPTOR_BYTE_2(sad->byte2) |
392 SUPPORTED_FREQUENCIES(sad->freq);
393 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
394 value |= SUPPORTED_FREQUENCIES_STEREO(sad->freq);
398 WREG32(eld_reg_to_type[i][0], value);
405 * update the info frames with the data from the current display mode
407 void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode)
409 struct drm_device *dev = encoder->dev;
410 struct radeon_device *rdev = dev->dev_private;
411 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
412 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
413 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
414 struct hdmi_avi_infoframe frame;
418 if (!dig || !dig->afmt)
421 /* Silent, r600_hdmi_enable will raise WARN for us */
422 if (!dig->afmt->enabled)
424 offset = dig->afmt->offset;
426 r600_audio_set_dto(encoder, mode->clock);
428 WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
429 HDMI0_NULL_SEND); /* send null packets when required */
431 WREG32(HDMI0_AUDIO_CRC_CONTROL + offset, 0x1000);
433 if (ASIC_IS_DCE32(rdev)) {
434 WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
435 HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */
436 HDMI0_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
437 WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
438 AFMT_AUDIO_SAMPLE_SEND | /* send audio packets */
439 AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */
441 WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
442 HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */
443 HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */
444 HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */
445 HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */
448 if (ASIC_IS_DCE32(rdev)) {
449 dce3_2_afmt_write_speaker_allocation(encoder);
450 dce3_2_afmt_write_sad_regs(encoder);
453 WREG32(HDMI0_ACR_PACKET_CONTROL + offset,
454 HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */
455 HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
457 WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
458 HDMI0_NULL_SEND | /* send null packets when required */
459 HDMI0_GC_SEND | /* send general control packets */
460 HDMI0_GC_CONT); /* send general control packets every frame */
462 /* TODO: HDMI0_AUDIO_INFO_UPDATE */
463 WREG32(HDMI0_INFOFRAME_CONTROL0 + offset,
464 HDMI0_AVI_INFO_SEND | /* enable AVI info frames */
465 HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */
466 HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
467 HDMI0_AUDIO_INFO_CONT); /* send audio info frames every frame/field */
469 WREG32(HDMI0_INFOFRAME_CONTROL1 + offset,
470 HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */
471 HDMI0_AUDIO_INFO_LINE(2)); /* anything other than 0 */
473 WREG32(HDMI0_GC + offset, 0); /* unset HDMI0_GC_AVMUTE */
475 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
477 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
481 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
483 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
487 r600_hdmi_update_avi_infoframe(encoder, buffer, sizeof(buffer));
488 r600_hdmi_update_ACR(encoder, mode->clock);
490 /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */
491 WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF);
492 WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF);
493 WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001);
494 WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001);
496 r600_hdmi_audio_workaround(encoder);
500 * update settings with current parameters from audio engine
502 void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
504 struct drm_device *dev = encoder->dev;
505 struct radeon_device *rdev = dev->dev_private;
506 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
507 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
508 struct r600_audio_pin audio = r600_audio_status(rdev);
509 uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
510 struct hdmi_audio_infoframe frame;
515 if (!dig->afmt || !dig->afmt->enabled)
517 offset = dig->afmt->offset;
519 DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n",
520 r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped",
521 audio.channels, audio.rate, audio.bits_per_sample);
522 DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n",
523 (int)audio.status_bits, (int)audio.category_code);
526 if (audio.status_bits & AUDIO_STATUS_PROFESSIONAL)
528 if (audio.status_bits & AUDIO_STATUS_NONAUDIO)
530 if (audio.status_bits & AUDIO_STATUS_COPYRIGHT)
532 if (audio.status_bits & AUDIO_STATUS_EMPHASIS)
535 iec |= HDMI0_60958_CS_CATEGORY_CODE(audio.category_code);
537 switch (audio.rate) {
539 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x3);
542 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x0);
545 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x2);
548 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x8);
551 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xa);
554 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xc);
557 iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xe);
561 WREG32(HDMI0_60958_0 + offset, iec);
564 switch (audio.bits_per_sample) {
566 iec |= HDMI0_60958_CS_WORD_LENGTH(0x2);
569 iec |= HDMI0_60958_CS_WORD_LENGTH(0x3);
572 iec |= HDMI0_60958_CS_WORD_LENGTH(0xb);
575 if (audio.status_bits & AUDIO_STATUS_V)
577 WREG32_P(HDMI0_60958_1 + offset, iec, ~0x5000f);
579 err = hdmi_audio_infoframe_init(&frame);
581 DRM_ERROR("failed to setup audio infoframe\n");
585 frame.channels = audio.channels;
587 err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
589 DRM_ERROR("failed to pack audio infoframe\n");
593 r600_hdmi_update_audio_infoframe(encoder, buffer, sizeof(buffer));
594 r600_hdmi_audio_workaround(encoder);
598 * enable the HDMI engine
600 void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
602 struct drm_device *dev = encoder->dev;
603 struct radeon_device *rdev = dev->dev_private;
604 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
605 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
606 u32 hdmi = HDMI0_ERROR_ACK;
608 if (!dig || !dig->afmt)
611 /* Silent, r600_hdmi_enable will raise WARN for us */
612 if (enable && dig->afmt->enabled)
614 if (!enable && !dig->afmt->enabled)
618 dig->afmt->pin = r600_audio_get_pin(rdev);
620 dig->afmt->pin = NULL;
622 /* Older chipsets require setting HDMI and routing manually */
623 if (!ASIC_IS_DCE3(rdev)) {
625 hdmi |= HDMI0_ENABLE;
626 switch (radeon_encoder->encoder_id) {
627 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
629 WREG32_OR(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN);
630 hdmi |= HDMI0_STREAM(HDMI0_STREAM_TMDSA);
632 WREG32_AND(AVIVO_TMDSA_CNTL, ~AVIVO_TMDSA_CNTL_HDMI_EN);
635 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
637 WREG32_OR(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN);
638 hdmi |= HDMI0_STREAM(HDMI0_STREAM_LVTMA);
640 WREG32_AND(AVIVO_LVTMA_CNTL, ~AVIVO_LVTMA_CNTL_HDMI_EN);
643 case ENCODER_OBJECT_ID_INTERNAL_DDI:
645 WREG32_OR(DDIA_CNTL, DDIA_HDMI_EN);
646 hdmi |= HDMI0_STREAM(HDMI0_STREAM_DDIA);
648 WREG32_AND(DDIA_CNTL, ~DDIA_HDMI_EN);
651 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
653 hdmi |= HDMI0_STREAM(HDMI0_STREAM_DVOA);
656 dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n",
657 radeon_encoder->encoder_id);
660 WREG32(HDMI0_CONTROL + dig->afmt->offset, hdmi);
663 if (rdev->irq.installed) {
664 /* if irq is available use it */
665 /* XXX: shouldn't need this on any asics. Double check DCE2/3 */
667 radeon_irq_kms_enable_afmt(rdev, dig->afmt->id);
669 radeon_irq_kms_disable_afmt(rdev, dig->afmt->id);
672 dig->afmt->enabled = enable;
674 DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
675 enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);