summaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/patch_nvhdmi.c
blob: 6afdab09bab77ae9e81737b12f1f81d3d476b9ce (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for NVIDIA HDMI codecs
 *
 * Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
 * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"

/* define below to restrict the supported rates and formats */
/* #define LIMITED_RATE_FMT_SUPPORT */

struct nvhdmi_spec {
	struct hda_multi_out multiout;

	struct hda_pcm pcm_rec;
};

#define Nv_VERB_SET_Channel_Allocation          0xF79
#define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
#define Nv_VERB_SET_Audio_Protection_On         0xF98
#define Nv_VERB_SET_Audio_Protection_Off        0xF99

#define Nv_Master_Convert_nid   0x04
#define Nv_Master_Pin_nid       0x05

static hda_nid_t nvhdmi_convert_nids[4] = {
	/*front, rear, clfe, rear_surr */
	0x6, 0x8, 0xa, 0xc,
};

static struct hda_verb nvhdmi_basic_init[] = {
	/* set audio protect on */
	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
	/* enable digital output on pin widget */
	{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
	{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
	{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
	{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
	{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
	{} /* terminator */
};

#ifdef LIMITED_RATE_FMT_SUPPORT
/* support only the safe format and rate */
#define SUPPORTED_RATES		SNDRV_PCM_RATE_48000
#define SUPPORTED_MAXBPS	16
#define SUPPORTED_FORMATS	SNDRV_PCM_FMTBIT_S16_LE
#else
/* support all rates and formats */
#define SUPPORTED_RATES \
	(SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
	SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
	 SNDRV_PCM_RATE_192000)
#define SUPPORTED_MAXBPS	24
#define SUPPORTED_FORMATS \
	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
#endif

/*
 * Controls
 */
static int nvhdmi_build_controls(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec = codec->spec;
	int err;

	err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
	if (err < 0)
		return err;

	return 0;
}

static int nvhdmi_init(struct hda_codec *codec)
{
	snd_hda_sequence_write(codec, nvhdmi_basic_init);
	return 0;
}

/*
 * Digital out
 */
static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	int i;

	snd_hda_codec_write(codec, Nv_Master_Convert_nid,
			0, AC_VERB_SET_CHANNEL_STREAMID, 0);
	for (i = 0; i < 4; i++) {
		/* set the stream id */
		snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
				AC_VERB_SET_CHANNEL_STREAMID, 0);
		/* set the stream format */
		snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
				AC_VERB_SET_STREAM_FORMAT, 0);
	}

	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					unsigned int stream_tag,
					unsigned int format,
					struct snd_pcm_substream *substream)
{
	int chs;
	unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
	int i;

	mutex_lock(&codec->spdif_mutex);

	chs = substream->runtime->channels;
	chan = chs ? (chs - 1) : 1;

	switch (chs) {
	default:
	case 0:
	case 2:
		chanmask = 0x00;
		break;
	case 4:
		chanmask = 0x08;
		break;
	case 6:
		chanmask = 0x0b;
		break;
	case 8:
		chanmask = 0x13;
		break;
	}
	dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
	dataDCC2 = 0x2;

	/* set the Audio InforFrame Channel Allocation */
	snd_hda_codec_write(codec, 0x1, 0,
			Nv_VERB_SET_Channel_Allocation, chanmask);

	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
		snd_hda_codec_write(codec,
				Nv_Master_Convert_nid,
				0,
				AC_VERB_SET_DIGI_CONVERT_1,
				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);

	/* set the stream id */
	snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
			AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);

	/* set the stream format */
	snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
			AC_VERB_SET_STREAM_FORMAT, format);

	/* turn on again (if needed) */
	/* enable and set the channel status audio/data flag */
	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
		snd_hda_codec_write(codec,
				Nv_Master_Convert_nid,
				0,
				AC_VERB_SET_DIGI_CONVERT_1,
				codec->spdif_ctls & 0xff);
		snd_hda_codec_write(codec,
				Nv_Master_Convert_nid,
				0,
				AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
	}

	for (i = 0; i < 4; i++) {
		if (chs == 2)
			channel_id = 0;
		else
			channel_id = i * 2;

		/* turn off SPDIF once;
		 *otherwise the IEC958 bits won't be updated
		 */
		if (codec->spdif_status_reset &&
		(codec->spdif_ctls & AC_DIG1_ENABLE))
			snd_hda_codec_write(codec,
				nvhdmi_convert_nids[i],
				0,
				AC_VERB_SET_DIGI_CONVERT_1,
				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
		/* set the stream id */
		snd_hda_codec_write(codec,
				nvhdmi_convert_nids[i],
				0,
				AC_VERB_SET_CHANNEL_STREAMID,
				(stream_tag << 4) | channel_id);
		/* set the stream format */
		snd_hda_codec_write(codec,
				nvhdmi_convert_nids[i],
				0,
				AC_VERB_SET_STREAM_FORMAT,
				format);
		/* turn on again (if needed) */
		/* enable and set the channel status audio/data flag */
		if (codec->spdif_status_reset &&
		(codec->spdif_ctls & AC_DIG1_ENABLE)) {
			snd_hda_codec_write(codec,
					nvhdmi_convert_nids[i],
					0,
					AC_VERB_SET_DIGI_CONVERT_1,
					codec->spdif_ctls & 0xff);
			snd_hda_codec_write(codec,
					nvhdmi_convert_nids[i],
					0,
					AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
		}
	}

	/* set the Audio Info Frame Checksum */
	snd_hda_codec_write(codec, 0x1, 0,
			Nv_VERB_SET_Info_Frame_Checksum,
			(0x71 - chan - chanmask));

	mutex_unlock(&codec->spdif_mutex);
	return 0;
}

static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					unsigned int stream_tag,
					unsigned int format,
					struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
					format, substream);
}

static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	.nid = Nv_Master_Convert_nid,
	.rates = SUPPORTED_RATES,
	.maxbps = SUPPORTED_MAXBPS,
	.formats = SUPPORTED_FORMATS,
	.ops = {
		.open = nvhdmi_dig_playback_pcm_open,
		.close = nvhdmi_dig_playback_pcm_close_8ch,
		.prepare = nvhdmi_dig_playback_pcm_prepare_8ch
	},
};

static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	.nid = Nv_Master_Convert_nid,
	.rates = SUPPORTED_RATES,
	.maxbps = SUPPORTED_MAXBPS,
	.formats = SUPPORTED_FORMATS,
	.ops = {
		.open = nvhdmi_dig_playback_pcm_open,
		.close = nvhdmi_dig_playback_pcm_close_2ch,
		.prepare = nvhdmi_dig_playback_pcm_prepare_2ch
	},
};

static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec = codec->spec;
	struct hda_pcm *info = &spec->pcm_rec;

	codec->num_pcms = 1;
	codec->pcm_info = info;

	info->name = "NVIDIA HDMI";
	info->pcm_type = HDA_PCM_TYPE_HDMI;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK]
					= nvhdmi_pcm_digital_playback_8ch;

	return 0;
}

static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec = codec->spec;
	struct hda_pcm *info = &spec->pcm_rec;

	codec->num_pcms = 1;
	codec->pcm_info = info;

	info->name = "NVIDIA HDMI";
	info->pcm_type = HDA_PCM_TYPE_HDMI;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK]
					= nvhdmi_pcm_digital_playback_2ch;

	return 0;
}

static void nvhdmi_free(struct hda_codec *codec)
{
	kfree(codec->spec);
}

static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
	.build_controls = nvhdmi_build_controls,
	.build_pcms = nvhdmi_build_pcms_8ch,
	.init = nvhdmi_init,
	.free = nvhdmi_free,
};

static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
	.build_controls = nvhdmi_build_controls,
	.build_pcms = nvhdmi_build_pcms_2ch,
	.init = nvhdmi_init,
	.free = nvhdmi_free,
};

static int patch_nvhdmi_8ch(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	codec->spec = spec;

	spec->multiout.num_dacs = 0;  /* no analog */
	spec->multiout.max_channels = 8;
	spec->multiout.dig_out_nid = Nv_Master_Convert_nid;

	codec->patch_ops = nvhdmi_patch_ops_8ch;

	return 0;
}

static int patch_nvhdmi_2ch(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	codec->spec = spec;

	spec->multiout.num_dacs = 0;  /* no analog */
	spec->multiout.max_channels = 2;
	spec->multiout.dig_out_nid = Nv_Master_Convert_nid;

	codec->patch_ops = nvhdmi_patch_ops_2ch;

	return 0;
}

/*
 * patch entries
 */
static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
	{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
	{ .id = 0x10de0003, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
	{ .id = 0x10de0005, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
	{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
	{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
	{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
	{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
	{} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:10de0002");
MODULE_ALIAS("snd-hda-codec-id:10de0003");
MODULE_ALIAS("snd-hda-codec-id:10de0005");
MODULE_ALIAS("snd-hda-codec-id:10de0006");
MODULE_ALIAS("snd-hda-codec-id:10de0007");
MODULE_ALIAS("snd-hda-codec-id:10de0067");
MODULE_ALIAS("snd-hda-codec-id:10de8001");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");

static struct hda_codec_preset_list nvhdmi_list = {
	.preset = snd_hda_preset_nvhdmi,
	.owner = THIS_MODULE,
};

static int __init patch_nvhdmi_init(void)
{
	return snd_hda_add_codec_preset(&nvhdmi_list);
}

static void __exit patch_nvhdmi_exit(void)
{
	snd_hda_delete_codec_preset(&nvhdmi_list);
}

module_init(patch_nvhdmi_init)
module_exit(patch_nvhdmi_exit)