/sound/pci/hda/patch_nvhdmi.c
C | 595 lines | 452 code | 88 blank | 55 comment | 39 complexity | dea66c672b36d92ae4b6a0a82cf86ae6 MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * HD audio interface patch for NVIDIA HDMI codecs
5 *
6 * Copyright (c) 2008 NVIDIA Corp. All rights reserved.
7 * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
8 *
9 *
10 * This driver is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This driver is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 */
24
25#include <linux/init.h>
26#include <linux/delay.h>
27#include <linux/slab.h>
28#include <sound/core.h>
29#include "hda_codec.h"
30#include "hda_local.h"
31
32#define MAX_HDMI_CVTS 1
33#define MAX_HDMI_PINS 1
34
35#include "patch_hdmi.c"
36
37static char *nvhdmi_pcm_names[MAX_HDMI_CVTS] = {
38 "NVIDIA HDMI",
39};
40
41/* define below to restrict the supported rates and formats */
42/* #define LIMITED_RATE_FMT_SUPPORT */
43
44enum HDACodec {
45 HDA_CODEC_NVIDIA_MCP7X,
46 HDA_CODEC_NVIDIA_MCP89,
47 HDA_CODEC_NVIDIA_GT21X,
48 HDA_CODEC_INVALID
49};
50
51#define Nv_VERB_SET_Channel_Allocation 0xF79
52#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
53#define Nv_VERB_SET_Audio_Protection_On 0xF98
54#define Nv_VERB_SET_Audio_Protection_Off 0xF99
55
56#define nvhdmi_master_con_nid_7x 0x04
57#define nvhdmi_master_pin_nid_7x 0x05
58
59#define nvhdmi_master_con_nid_89 0x04
60#define nvhdmi_master_pin_nid_89 0x05
61
62static hda_nid_t nvhdmi_con_nids_7x[4] = {
63 /*front, rear, clfe, rear_surr */
64 0x6, 0x8, 0xa, 0xc,
65};
66
67static struct hda_verb nvhdmi_basic_init_7x[] = {
68 /* set audio protect on */
69 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
70 /* enable digital output on pin widget */
71 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
72 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
73 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
74 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
75 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
76 {} /* terminator */
77};
78
79#ifdef LIMITED_RATE_FMT_SUPPORT
80/* support only the safe format and rate */
81#define SUPPORTED_RATES SNDRV_PCM_RATE_48000
82#define SUPPORTED_MAXBPS 16
83#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
84#else
85/* support all rates and formats */
86#define SUPPORTED_RATES \
87 (SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
88 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
89 SNDRV_PCM_RATE_192000)
90#define SUPPORTED_MAXBPS 24
91#define SUPPORTED_FORMATS \
92 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
93#endif
94
95/*
96 * Controls
97 */
98static int nvhdmi_build_controls(struct hda_codec *codec)
99{
100 struct hdmi_spec *spec = codec->spec;
101 int err;
102 int i;
103
104 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
105 || (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
106 for (i = 0; i < codec->num_pcms; i++) {
107 err = snd_hda_create_spdif_out_ctls(codec,
108 spec->cvt[i]);
109 if (err < 0)
110 return err;
111 }
112 } else {
113 err = snd_hda_create_spdif_out_ctls(codec,
114 spec->multiout.dig_out_nid);
115 if (err < 0)
116 return err;
117 }
118
119 return 0;
120}
121
122static int nvhdmi_init(struct hda_codec *codec)
123{
124 struct hdmi_spec *spec = codec->spec;
125 int i;
126 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
127 || (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
128 for (i = 0; spec->pin[i]; i++) {
129 hdmi_enable_output(codec, spec->pin[i]);
130 snd_hda_codec_write(codec, spec->pin[i], 0,
131 AC_VERB_SET_UNSOLICITED_ENABLE,
132 AC_USRSP_EN | spec->pin[i]);
133 }
134 } else {
135 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
136 }
137 return 0;
138}
139
140static void nvhdmi_free(struct hda_codec *codec)
141{
142 struct hdmi_spec *spec = codec->spec;
143 int i;
144
145 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
146 || (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
147 for (i = 0; i < spec->num_pins; i++)
148 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
149 }
150
151 kfree(spec);
152}
153
154/*
155 * Digital out
156 */
157static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
158 struct hda_codec *codec,
159 struct snd_pcm_substream *substream)
160{
161 struct hdmi_spec *spec = codec->spec;
162 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
163}
164
165static int nvhdmi_dig_playback_pcm_close_8ch_7x(struct hda_pcm_stream *hinfo,
166 struct hda_codec *codec,
167 struct snd_pcm_substream *substream)
168{
169 struct hdmi_spec *spec = codec->spec;
170 int i;
171
172 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
173 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
174 for (i = 0; i < 4; i++) {
175 /* set the stream id */
176 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
177 AC_VERB_SET_CHANNEL_STREAMID, 0);
178 /* set the stream format */
179 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
180 AC_VERB_SET_STREAM_FORMAT, 0);
181 }
182
183 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
184}
185
186static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
187 struct hda_codec *codec,
188 struct snd_pcm_substream *substream)
189{
190 struct hdmi_spec *spec = codec->spec;
191 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
192}
193
194static int nvhdmi_dig_playback_pcm_prepare_8ch_89(struct hda_pcm_stream *hinfo,
195 struct hda_codec *codec,
196 unsigned int stream_tag,
197 unsigned int format,
198 struct snd_pcm_substream *substream)
199{
200 hdmi_set_channel_count(codec, hinfo->nid,
201 substream->runtime->channels);
202
203 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
204
205 hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
206 return 0;
207}
208
209static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
210 struct hda_codec *codec,
211 unsigned int stream_tag,
212 unsigned int format,
213 struct snd_pcm_substream *substream)
214{
215 int chs;
216 unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
217 int i;
218
219 mutex_lock(&codec->spdif_mutex);
220
221 chs = substream->runtime->channels;
222 chan = chs ? (chs - 1) : 1;
223
224 switch (chs) {
225 default:
226 case 0:
227 case 2:
228 chanmask = 0x00;
229 break;
230 case 4:
231 chanmask = 0x08;
232 break;
233 case 6:
234 chanmask = 0x0b;
235 break;
236 case 8:
237 chanmask = 0x13;
238 break;
239 }
240 dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
241 dataDCC2 = 0x2;
242
243 /* set the Audio InforFrame Channel Allocation */
244 snd_hda_codec_write(codec, 0x1, 0,
245 Nv_VERB_SET_Channel_Allocation, chanmask);
246
247 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
248 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
249 snd_hda_codec_write(codec,
250 nvhdmi_master_con_nid_7x,
251 0,
252 AC_VERB_SET_DIGI_CONVERT_1,
253 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
254
255 /* set the stream id */
256 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
257 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
258
259 /* set the stream format */
260 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
261 AC_VERB_SET_STREAM_FORMAT, format);
262
263 /* turn on again (if needed) */
264 /* enable and set the channel status audio/data flag */
265 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
266 snd_hda_codec_write(codec,
267 nvhdmi_master_con_nid_7x,
268 0,
269 AC_VERB_SET_DIGI_CONVERT_1,
270 codec->spdif_ctls & 0xff);
271 snd_hda_codec_write(codec,
272 nvhdmi_master_con_nid_7x,
273 0,
274 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
275 }
276
277 for (i = 0; i < 4; i++) {
278 if (chs == 2)
279 channel_id = 0;
280 else
281 channel_id = i * 2;
282
283 /* turn off SPDIF once;
284 *otherwise the IEC958 bits won't be updated
285 */
286 if (codec->spdif_status_reset &&
287 (codec->spdif_ctls & AC_DIG1_ENABLE))
288 snd_hda_codec_write(codec,
289 nvhdmi_con_nids_7x[i],
290 0,
291 AC_VERB_SET_DIGI_CONVERT_1,
292 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
293 /* set the stream id */
294 snd_hda_codec_write(codec,
295 nvhdmi_con_nids_7x[i],
296 0,
297 AC_VERB_SET_CHANNEL_STREAMID,
298 (stream_tag << 4) | channel_id);
299 /* set the stream format */
300 snd_hda_codec_write(codec,
301 nvhdmi_con_nids_7x[i],
302 0,
303 AC_VERB_SET_STREAM_FORMAT,
304 format);
305 /* turn on again (if needed) */
306 /* enable and set the channel status audio/data flag */
307 if (codec->spdif_status_reset &&
308 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
309 snd_hda_codec_write(codec,
310 nvhdmi_con_nids_7x[i],
311 0,
312 AC_VERB_SET_DIGI_CONVERT_1,
313 codec->spdif_ctls & 0xff);
314 snd_hda_codec_write(codec,
315 nvhdmi_con_nids_7x[i],
316 0,
317 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
318 }
319 }
320
321 /* set the Audio Info Frame Checksum */
322 snd_hda_codec_write(codec, 0x1, 0,
323 Nv_VERB_SET_Info_Frame_Checksum,
324 (0x71 - chan - chanmask));
325
326 mutex_unlock(&codec->spdif_mutex);
327 return 0;
328}
329
330static int nvhdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
331 struct hda_codec *codec,
332 struct snd_pcm_substream *substream)
333{
334 return 0;
335}
336
337static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
338 struct hda_codec *codec,
339 unsigned int stream_tag,
340 unsigned int format,
341 struct snd_pcm_substream *substream)
342{
343 struct hdmi_spec *spec = codec->spec;
344 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
345 format, substream);
346}
347
348static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch_89 = {
349 .substreams = 1,
350 .channels_min = 2,
351 .rates = SUPPORTED_RATES,
352 .maxbps = SUPPORTED_MAXBPS,
353 .formats = SUPPORTED_FORMATS,
354 .ops = {
355 .prepare = nvhdmi_dig_playback_pcm_prepare_8ch_89,
356 .cleanup = nvhdmi_playback_pcm_cleanup,
357 },
358};
359
360static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch_7x = {
361 .substreams = 1,
362 .channels_min = 2,
363 .channels_max = 8,
364 .nid = nvhdmi_master_con_nid_7x,
365 .rates = SUPPORTED_RATES,
366 .maxbps = SUPPORTED_MAXBPS,
367 .formats = SUPPORTED_FORMATS,
368 .ops = {
369 .open = nvhdmi_dig_playback_pcm_open,
370 .close = nvhdmi_dig_playback_pcm_close_8ch_7x,
371 .prepare = nvhdmi_dig_playback_pcm_prepare_8ch
372 },
373};
374
375static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
376 .substreams = 1,
377 .channels_min = 2,
378 .channels_max = 2,
379 .nid = nvhdmi_master_con_nid_7x,
380 .rates = SUPPORTED_RATES,
381 .maxbps = SUPPORTED_MAXBPS,
382 .formats = SUPPORTED_FORMATS,
383 .ops = {
384 .open = nvhdmi_dig_playback_pcm_open,
385 .close = nvhdmi_dig_playback_pcm_close_2ch,
386 .prepare = nvhdmi_dig_playback_pcm_prepare_2ch
387 },
388};
389
390static int nvhdmi_build_pcms_8ch_89(struct hda_codec *codec)
391{
392 struct hdmi_spec *spec = codec->spec;
393 struct hda_pcm *info = spec->pcm_rec;
394 int i;
395
396 codec->num_pcms = spec->num_cvts;
397 codec->pcm_info = info;
398
399 for (i = 0; i < codec->num_pcms; i++, info++) {
400 unsigned int chans;
401
402 chans = get_wcaps(codec, spec->cvt[i]);
403 chans = get_wcaps_channels(chans);
404
405 info->name = nvhdmi_pcm_names[i];
406 info->pcm_type = HDA_PCM_TYPE_HDMI;
407 info->stream[SNDRV_PCM_STREAM_PLAYBACK]
408 = nvhdmi_pcm_digital_playback_8ch_89;
409 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
410 info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
411 }
412
413 return 0;
414}
415
416static int nvhdmi_build_pcms_8ch_7x(struct hda_codec *codec)
417{
418 struct hdmi_spec *spec = codec->spec;
419 struct hda_pcm *info = spec->pcm_rec;
420
421 codec->num_pcms = 1;
422 codec->pcm_info = info;
423
424 info->name = "NVIDIA HDMI";
425 info->pcm_type = HDA_PCM_TYPE_HDMI;
426 info->stream[SNDRV_PCM_STREAM_PLAYBACK]
427 = nvhdmi_pcm_digital_playback_8ch_7x;
428
429 return 0;
430}
431
432static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
433{
434 struct hdmi_spec *spec = codec->spec;
435 struct hda_pcm *info = spec->pcm_rec;
436
437 codec->num_pcms = 1;
438 codec->pcm_info = info;
439
440 info->name = "NVIDIA HDMI";
441 info->pcm_type = HDA_PCM_TYPE_HDMI;
442 info->stream[SNDRV_PCM_STREAM_PLAYBACK]
443 = nvhdmi_pcm_digital_playback_2ch;
444
445 return 0;
446}
447
448static struct hda_codec_ops nvhdmi_patch_ops_8ch_89 = {
449 .build_controls = nvhdmi_build_controls,
450 .build_pcms = nvhdmi_build_pcms_8ch_89,
451 .init = nvhdmi_init,
452 .free = nvhdmi_free,
453 .unsol_event = hdmi_unsol_event,
454};
455
456static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
457 .build_controls = nvhdmi_build_controls,
458 .build_pcms = nvhdmi_build_pcms_8ch_7x,
459 .init = nvhdmi_init,
460 .free = nvhdmi_free,
461};
462
463static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
464 .build_controls = nvhdmi_build_controls,
465 .build_pcms = nvhdmi_build_pcms_2ch,
466 .init = nvhdmi_init,
467 .free = nvhdmi_free,
468};
469
470static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
471{
472 struct hdmi_spec *spec;
473 int i;
474
475 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
476 if (spec == NULL)
477 return -ENOMEM;
478
479 codec->spec = spec;
480 spec->codec_type = HDA_CODEC_NVIDIA_MCP89;
481
482 if (hdmi_parse_codec(codec) < 0) {
483 codec->spec = NULL;
484 kfree(spec);
485 return -EINVAL;
486 }
487 codec->patch_ops = nvhdmi_patch_ops_8ch_89;
488
489 for (i = 0; i < spec->num_pins; i++)
490 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
491
492 init_channel_allocations();
493
494 return 0;
495}
496
497static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
498{
499 struct hdmi_spec *spec;
500
501 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
502 if (spec == NULL)
503 return -ENOMEM;
504
505 codec->spec = spec;
506
507 spec->multiout.num_dacs = 0; /* no analog */
508 spec->multiout.max_channels = 8;
509 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
510 spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
511
512 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
513
514 return 0;
515}
516
517static int patch_nvhdmi_2ch(struct hda_codec *codec)
518{
519 struct hdmi_spec *spec;
520
521 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
522 if (spec == NULL)
523 return -ENOMEM;
524
525 codec->spec = spec;
526
527 spec->multiout.num_dacs = 0; /* no analog */
528 spec->multiout.max_channels = 2;
529 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
530 spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
531
532 codec->patch_ops = nvhdmi_patch_ops_2ch;
533
534 return 0;
535}
536
537/*
538 * patch entries
539 */
540static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
541 { .id = 0x10de0002, .name = "MCP77/78 HDMI",
542 .patch = patch_nvhdmi_8ch_7x },
543 { .id = 0x10de0003, .name = "MCP77/78 HDMI",
544 .patch = patch_nvhdmi_8ch_7x },
545 { .id = 0x10de0005, .name = "MCP77/78 HDMI",
546 .patch = patch_nvhdmi_8ch_7x },
547 { .id = 0x10de0006, .name = "MCP77/78 HDMI",
548 .patch = patch_nvhdmi_8ch_7x },
549 { .id = 0x10de0007, .name = "MCP79/7A HDMI",
550 .patch = patch_nvhdmi_8ch_7x },
551 { .id = 0x10de000a, .name = "GT220 HDMI",
552 .patch = patch_nvhdmi_8ch_89 },
553 { .id = 0x10de000b, .name = "GT21x HDMI",
554 .patch = patch_nvhdmi_8ch_89 },
555 { .id = 0x10de000c, .name = "MCP89 HDMI",
556 .patch = patch_nvhdmi_8ch_89 },
557 { .id = 0x10de000d, .name = "GT240 HDMI",
558 .patch = patch_nvhdmi_8ch_89 },
559 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
560 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
561 {} /* terminator */
562};
563
564MODULE_ALIAS("snd-hda-codec-id:10de0002");
565MODULE_ALIAS("snd-hda-codec-id:10de0003");
566MODULE_ALIAS("snd-hda-codec-id:10de0005");
567MODULE_ALIAS("snd-hda-codec-id:10de0006");
568MODULE_ALIAS("snd-hda-codec-id:10de0007");
569MODULE_ALIAS("snd-hda-codec-id:10de000a");
570MODULE_ALIAS("snd-hda-codec-id:10de000b");
571MODULE_ALIAS("snd-hda-codec-id:10de000c");
572MODULE_ALIAS("snd-hda-codec-id:10de000d");
573MODULE_ALIAS("snd-hda-codec-id:10de0067");
574MODULE_ALIAS("snd-hda-codec-id:10de8001");
575
576MODULE_LICENSE("GPL");
577MODULE_DESCRIPTION("NVIDIA HDMI HD-audio codec");
578
579static struct hda_codec_preset_list nvhdmi_list = {
580 .preset = snd_hda_preset_nvhdmi,
581 .owner = THIS_MODULE,
582};
583
584static int __init patch_nvhdmi_init(void)
585{
586 return snd_hda_add_codec_preset(&nvhdmi_list);
587}
588
589static void __exit patch_nvhdmi_exit(void)
590{
591 snd_hda_delete_codec_preset(&nvhdmi_list);
592}
593
594module_init(patch_nvhdmi_init)
595module_exit(patch_nvhdmi_exit)