?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Input: wacom - revert "Cintiq 21UX2 does not have menu strips"
[linux-btrfs-devel.git] / sound / pci / hda / patch_hdmi.c
blobbd0ae697f9c4118ae5947e1f6015d41cff3638ea
1 /*
2 *
3 * patch_hdmi.c - routines for HDMI/DisplayPort codecs
4 *
5 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
6 * Copyright (c) 2006 ATI Technologies Inc.
7 * Copyright (c) 2008 NVIDIA Corp. All rights reserved.
8 * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
9 *
10 * Authors:
11 * Wu Fengguang <wfg@linux.intel.com>
12 *
13 * Maintained by:
14 * Wu Fengguang <wfg@linux.intel.com>
15 *
16 * This program is free software; you can redistribute it and/or modify it
17 * under the terms of the GNU General Public License as published by the Free
18 * Software Foundation; either version 2 of the License, or (at your option)
19 * any later version.
20 *
21 * This program is distributed in the hope that it will be useful, but
22 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
23 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
24 * for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software Foundation,
28 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 */
30
31 #include <linux/init.h>
32 #include <linux/delay.h>
33 #include <linux/slab.h>
34 #include <linux/moduleparam.h>
35 #include <sound/core.h>
36 #include <sound/jack.h>
37 #include "hda_codec.h"
38 #include "hda_local.h"
39
40 static bool static_hdmi_pcm;
41 module_param(static_hdmi_pcm, bool, 0644);
42 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
43
44 /*
45 * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
46 * could support two independent pipes, each of them can be connected to one or
47 * more ports (DVI, HDMI or DisplayPort).
48 *
49 * The HDA correspondence of pipes/ports are converter/pin nodes.
50 */
51 #define MAX_HDMI_CVTS 4
52 #define MAX_HDMI_PINS 4
53
54 struct hdmi_spec {
55 int num_cvts;
56 int num_pins;
57 hda_nid_t cvt[MAX_HDMI_CVTS+1]; /* audio sources */
58 hda_nid_t pin[MAX_HDMI_PINS+1]; /* audio sinks */
59
60 /*
61 * source connection for each pin
62 */
63 hda_nid_t pin_cvt[MAX_HDMI_PINS+1];
64
65 /*
66 * HDMI sink attached to each pin
67 */
68 struct hdmi_eld sink_eld[MAX_HDMI_PINS];
69
70 /*
71 * export one pcm per pipe
72 */
73 struct hda_pcm pcm_rec[MAX_HDMI_CVTS];
74 struct hda_pcm_stream codec_pcm_pars[MAX_HDMI_CVTS];
75
76 /*
77 * ati/nvhdmi specific
78 */
79 struct hda_multi_out multiout;
80 const struct hda_pcm_stream *pcm_playback;
81 };
82
83
84 struct hdmi_audio_infoframe {
85 u8 type; /* 0x84 */
86 u8 ver; /* 0x01 */
87 u8 len; /* 0x0a */
88
89 u8 checksum;
90
91 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
92 u8 SS01_SF24;
93 u8 CXT04;
94 u8 CA;
95 u8 LFEPBL01_LSV36_DM_INH7;
96 };
97
98 struct dp_audio_infoframe {
99 u8 type; /* 0x84 */
100 u8 len; /* 0x1b */
101 u8 ver; /* 0x11 << 2 */
102
103 u8 CC02_CT47; /* match with HDMI infoframe from this on */
104 u8 SS01_SF24;
105 u8 CXT04;
106 u8 CA;
107 u8 LFEPBL01_LSV36_DM_INH7;
108 };
109
110 union audio_infoframe {
111 struct hdmi_audio_infoframe hdmi;
112 struct dp_audio_infoframe dp;
113 u8 bytes[0];
114 };
115
116 /*
117 * CEA speaker placement:
118 *
119 * FLH FCH FRH
120 * FLW FL FLC FC FRC FR FRW
121 *
122 * LFE
123 * TC
124 *
125 * RL RLC RC RRC RR
126 *
127 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
128 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
129 */
130 enum cea_speaker_placement {
131 FL = (1 << 0), /* Front Left */
132 FC = (1 << 1), /* Front Center */
133 FR = (1 << 2), /* Front Right */
134 FLC = (1 << 3), /* Front Left Center */
135 FRC = (1 << 4), /* Front Right Center */
136 RL = (1 << 5), /* Rear Left */
137 RC = (1 << 6), /* Rear Center */
138 RR = (1 << 7), /* Rear Right */
139 RLC = (1 << 8), /* Rear Left Center */
140 RRC = (1 << 9), /* Rear Right Center */
141 LFE = (1 << 10), /* Low Frequency Effect */
142 FLW = (1 << 11), /* Front Left Wide */
143 FRW = (1 << 12), /* Front Right Wide */
144 FLH = (1 << 13), /* Front Left High */
145 FCH = (1 << 14), /* Front Center High */
146 FRH = (1 << 15), /* Front Right High */
147 TC = (1 << 16), /* Top Center */
148 };
149
150 /*
151 * ELD SA bits in the CEA Speaker Allocation data block
152 */
153 static int eld_speaker_allocation_bits[] = {
154 [0] = FL | FR,
155 [1] = LFE,
156 [2] = FC,
157 [3] = RL | RR,
158 [4] = RC,
159 [5] = FLC | FRC,
160 [6] = RLC | RRC,
161 /* the following are not defined in ELD yet */
162 [7] = FLW | FRW,
163 [8] = FLH | FRH,
164 [9] = TC,
165 [10] = FCH,
166 };
167
168 struct cea_channel_speaker_allocation {
169 int ca_index;
170 int speakers[8];
171
172 /* derived values, just for convenience */
173 int channels;
174 int spk_mask;
175 };
176
177 /*
178 * ALSA sequence is:
179 *
180 * surround40 surround41 surround50 surround51 surround71
181 * ch0 front left = = = =
182 * ch1 front right = = = =
183 * ch2 rear left = = = =
184 * ch3 rear right = = = =
185 * ch4 LFE center center center
186 * ch5 LFE LFE
187 * ch6 side left
188 * ch7 side right
189 *
190 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
191 */
192 static int hdmi_channel_mapping[0x32][8] = {
193 /* stereo */
194 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
195 /* 2.1 */
196 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
197 /* Dolby Surround */
198 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
199 /* surround40 */
200 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
201 /* 4ch */
202 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
203 /* surround41 */
204 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
205 /* surround50 */
206 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
207 /* surround51 */
208 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
209 /* 7.1 */
210 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
211 };
212
213 /*
214 * This is an ordered list!
215 *
216 * The preceding ones have better chances to be selected by
217 * hdmi_channel_allocation().
218 */
219 static struct cea_channel_speaker_allocation channel_allocations[] = {
220 /* channel: 7 6 5 4 3 2 1 0 */
221 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
222 /* 2.1 */
223 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
224 /* Dolby Surround */
225 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
226 /* surround40 */
227 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
228 /* surround41 */
229 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
230 /* surround50 */
231 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
232 /* surround51 */
233 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
234 /* 6.1 */
235 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
236 /* surround71 */
237 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
238
239 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
240 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
241 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
242 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
243 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
244 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
245 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
246 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
247 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
248 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
249 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
250 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
251 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
252 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
253 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
254 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
255 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
256 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
257 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
258 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
259 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
260 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
261 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
262 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
263 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
264 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
265 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
266 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
267 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
268 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
269 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
270 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
271 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
272 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
273 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
274 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
275 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
276 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
277 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
278 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
279 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
280 };
281
282
283 /*
284 * HDMI routines
285 */
286
287 static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
288 {
289 int i;
290
291 for (i = 0; nids[i]; i++)
292 if (nids[i] == nid)
293 return i;
294
295 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
296 return -EINVAL;
297 }
298
299 #ifdef BE_PARANOID
300 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
301 int *packet_index, int *byte_index)
302 {
303 int val;
304
305 val = snd_hda_codec_read(codec, pin_nid, 0,
306 AC_VERB_GET_HDMI_DIP_INDEX, 0);
307
308 *packet_index = val >> 5;
309 *byte_index = val & 0x1f;
310 }
311 #endif
312
313 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
314 int packet_index, int byte_index)
315 {
316 int val;
317
318 val = (packet_index << 5) | (byte_index & 0x1f);
319
320 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
321 }
322
323 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
324 unsigned char val)
325 {
326 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
327 }
328
329 static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
330 {
331 /* Unmute */
332 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
333 snd_hda_codec_write(codec, pin_nid, 0,
334 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
335 /* Enable pin out */
336 snd_hda_codec_write(codec, pin_nid, 0,
337 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
338 }
339
340 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
341 {
342 return 1 + snd_hda_codec_read(codec, nid, 0,
343 AC_VERB_GET_CVT_CHAN_COUNT, 0);
344 }
345
346 static void hdmi_set_channel_count(struct hda_codec *codec,
347 hda_nid_t nid, int chs)
348 {
349 if (chs != hdmi_get_channel_count(codec, nid))
350 snd_hda_codec_write(codec, nid, 0,
351 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
352 }
353
354
355 /*
356 * Channel mapping routines
357 */
358
359 /*
360 * Compute derived values in channel_allocations[].
361 */
362 static void init_channel_allocations(void)
363 {
364 int i, j;
365 struct cea_channel_speaker_allocation *p;
366
367 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
368 p = channel_allocations + i;
369 p->channels = 0;
370 p->spk_mask = 0;
371 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
372 if (p->speakers[j]) {
373 p->channels++;
374 p->spk_mask |= p->speakers[j];
375 }
376 }
377 }
378
379 /*
380 * The transformation takes two steps:
381 *
382 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
383 * spk_mask => (channel_allocations[]) => ai->CA
384 *
385 * TODO: it could select the wrong CA from multiple candidates.
386 */
387 static int hdmi_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
388 int channels)
389 {
390 struct hdmi_spec *spec = codec->spec;
391 struct hdmi_eld *eld;
392 int i;
393 int ca = 0;
394 int spk_mask = 0;
395 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
396
397 /*
398 * CA defaults to 0 for basic stereo audio
399 */
400 if (channels <= 2)
401 return 0;
402
403 i = hda_node_index(spec->pin_cvt, nid);
404 if (i < 0)
405 return 0;
406 eld = &spec->sink_eld[i];
407
408 /*
409 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
410 * in console or for audio devices. Assume the highest speakers
411 * configuration, to _not_ prohibit multi-channel audio playback.
412 */
413 if (!eld->spk_alloc)
414 eld->spk_alloc = 0xffff;
415
416 /*
417 * expand ELD's speaker allocation mask
418 *
419 * ELD tells the speaker mask in a compact(paired) form,
420 * expand ELD's notions to match the ones used by Audio InfoFrame.
421 */
422 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
423 if (eld->spk_alloc & (1 << i))
424 spk_mask |= eld_speaker_allocation_bits[i];
425 }
426
427 /* search for the first working match in the CA table */
428 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
429 if (channels == channel_allocations[i].channels &&
430 (spk_mask & channel_allocations[i].spk_mask) ==
431 channel_allocations[i].spk_mask) {
432 ca = channel_allocations[i].ca_index;
433 break;
434 }
435 }
436
437 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
438 snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
439 ca, channels, buf);
440
441 return ca;
442 }
443
444 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
445 hda_nid_t pin_nid)
446 {
447 #ifdef CONFIG_SND_DEBUG_VERBOSE
448 int i;
449 int slot;
450
451 for (i = 0; i < 8; i++) {
452 slot = snd_hda_codec_read(codec, pin_nid, 0,
453 AC_VERB_GET_HDMI_CHAN_SLOT, i);
454 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
455 slot >> 4, slot & 0xf);
456 }
457 #endif
458 }
459
460
461 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
462 hda_nid_t pin_nid,
463 int ca)
464 {
465 int i;
466 int err;
467
468 if (hdmi_channel_mapping[ca][1] == 0) {
469 for (i = 0; i < channel_allocations[ca].channels; i++)
470 hdmi_channel_mapping[ca][i] = i | (i << 4);
471 for (; i < 8; i++)
472 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
473 }
474
475 for (i = 0; i < 8; i++) {
476 err = snd_hda_codec_write(codec, pin_nid, 0,
477 AC_VERB_SET_HDMI_CHAN_SLOT,
478 hdmi_channel_mapping[ca][i]);
479 if (err) {
480 snd_printdd(KERN_NOTICE
481 "HDMI: channel mapping failed\n");
482 break;
483 }
484 }
485
486 hdmi_debug_channel_mapping(codec, pin_nid);
487 }
488
489
490 /*
491 * Audio InfoFrame routines
492 */
493
494 /*
495 * Enable Audio InfoFrame Transmission
496 */
497 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
498 hda_nid_t pin_nid)
499 {
500 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
501 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
502 AC_DIPXMIT_BEST);
503 }
504
505 /*
506 * Disable Audio InfoFrame Transmission
507 */
508 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
509 hda_nid_t pin_nid)
510 {
511 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
512 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
513 AC_DIPXMIT_DISABLE);
514 }
515
516 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
517 {
518 #ifdef CONFIG_SND_DEBUG_VERBOSE
519 int i;
520 int size;
521
522 size = snd_hdmi_get_eld_size(codec, pin_nid);
523 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
524
525 for (i = 0; i < 8; i++) {
526 size = snd_hda_codec_read(codec, pin_nid, 0,
527 AC_VERB_GET_HDMI_DIP_SIZE, i);
528 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
529 }
530 #endif
531 }
532
533 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
534 {
535 #ifdef BE_PARANOID
536 int i, j;
537 int size;
538 int pi, bi;
539 for (i = 0; i < 8; i++) {
540 size = snd_hda_codec_read(codec, pin_nid, 0,
541 AC_VERB_GET_HDMI_DIP_SIZE, i);
542 if (size == 0)
543 continue;
544
545 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
546 for (j = 1; j < 1000; j++) {
547 hdmi_write_dip_byte(codec, pin_nid, 0x0);
548 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
549 if (pi != i)
550 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
551 bi, pi, i);
552 if (bi == 0) /* byte index wrapped around */
553 break;
554 }
555 snd_printd(KERN_INFO
556 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
557 i, size, j);
558 }
559 #endif
560 }
561
562 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
563 {
564 u8 *bytes = (u8 *)hdmi_ai;
565 u8 sum = 0;
566 int i;
567
568 hdmi_ai->checksum = 0;
569
570 for (i = 0; i < sizeof(*hdmi_ai); i++)
571 sum += bytes[i];
572
573 hdmi_ai->checksum = -sum;
574 }
575
576 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
577 hda_nid_t pin_nid,
578 u8 *dip, int size)
579 {
580 int i;
581
582 hdmi_debug_dip_size(codec, pin_nid);
583 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
584
585 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
586 for (i = 0; i < size; i++)
587 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
588 }
589
590 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
591 u8 *dip, int size)
592 {
593 u8 val;
594 int i;
595
596 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
597 != AC_DIPXMIT_BEST)
598 return false;
599
600 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
601 for (i = 0; i < size; i++) {
602 val = snd_hda_codec_read(codec, pin_nid, 0,
603 AC_VERB_GET_HDMI_DIP_DATA, 0);
604 if (val != dip[i])
605 return false;
606 }
607
608 return true;
609 }
610
611 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
612 struct snd_pcm_substream *substream)
613 {
614 struct hdmi_spec *spec = codec->spec;
615 hda_nid_t pin_nid;
616 int channels = substream->runtime->channels;
617 int ca;
618 int i;
619 union audio_infoframe ai;
620
621 ca = hdmi_channel_allocation(codec, nid, channels);
622
623 for (i = 0; i < spec->num_pins; i++) {
624 if (spec->pin_cvt[i] != nid)
625 continue;
626 if (!spec->sink_eld[i].monitor_present)
627 continue;
628
629 pin_nid = spec->pin[i];
630
631 memset(&ai, 0, sizeof(ai));
632 if (spec->sink_eld[i].conn_type == 0) { /* HDMI */
633 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
634
635 hdmi_ai->type = 0x84;
636 hdmi_ai->ver = 0x01;
637 hdmi_ai->len = 0x0a;
638 hdmi_ai->CC02_CT47 = channels - 1;
639 hdmi_ai->CA = ca;
640 hdmi_checksum_audio_infoframe(hdmi_ai);
641 } else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */
642 struct dp_audio_infoframe *dp_ai = &ai.dp;
643
644 dp_ai->type = 0x84;
645 dp_ai->len = 0x1b;
646 dp_ai->ver = 0x11 << 2;
647 dp_ai->CC02_CT47 = channels - 1;
648 dp_ai->CA = ca;
649 } else {
650 snd_printd("HDMI: unknown connection type at pin %d\n",
651 pin_nid);
652 continue;
653 }
654
655 /*
656 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
657 * sizeof(*dp_ai) to avoid partial match/update problems when
658 * the user switches between HDMI/DP monitors.
659 */
660 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
661 sizeof(ai))) {
662 snd_printdd("hdmi_setup_audio_infoframe: "
663 "cvt=%d pin=%d channels=%d\n",
664 nid, pin_nid,
665 channels);
666 hdmi_setup_channel_mapping(codec, pin_nid, ca);
667 hdmi_stop_infoframe_trans(codec, pin_nid);
668 hdmi_fill_audio_infoframe(codec, pin_nid,
669 ai.bytes, sizeof(ai));
670 hdmi_start_infoframe_trans(codec, pin_nid);
671 }
672 }
673 }
674
675
676 /*
677 * Unsolicited events
678 */
679
680 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
681 struct hdmi_eld *eld);
682
683 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
684 {
685 struct hdmi_spec *spec = codec->spec;
686 int pin_nid = res >> AC_UNSOL_RES_TAG_SHIFT;
687 int pd = !!(res & AC_UNSOL_RES_PD);
688 int eldv = !!(res & AC_UNSOL_RES_ELDV);
689 int index;
690
691 printk(KERN_INFO
692 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
693 pin_nid, pd, eldv);
694
695 index = hda_node_index(spec->pin, pin_nid);
696 if (index < 0)
697 return;
698
699 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[index]);
700 }
701
702 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
703 {
704 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
705 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
706 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
707 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
708
709 printk(KERN_INFO
710 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
711 tag,
712 subtag,
713 cp_state,
714 cp_ready);
715
716 /* TODO */
717 if (cp_state)
718 ;
719 if (cp_ready)
720 ;
721 }
722
723
724 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
725 {
726 struct hdmi_spec *spec = codec->spec;
727 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
728 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
729
730 if (hda_node_index(spec->pin, tag) < 0) {
731 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
732 return;
733 }
734
735 if (subtag == 0)
736 hdmi_intrinsic_event(codec, res);
737 else
738 hdmi_non_intrinsic_event(codec, res);
739 }
740
741 /*
742 * Callbacks
743 */
744
745 /* HBR should be Non-PCM, 8 channels */
746 #define is_hbr_format(format) \
747 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
748
749 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
750 u32 stream_tag, int format)
751 {
752 struct hdmi_spec *spec = codec->spec;
753 int pinctl;
754 int new_pinctl = 0;
755 int i;
756
757 for (i = 0; i < spec->num_pins; i++) {
758 if (spec->pin_cvt[i] != nid)
759 continue;
760 if (!(snd_hda_query_pin_caps(codec, spec->pin[i]) & AC_PINCAP_HBR))
761 continue;
762
763 pinctl = snd_hda_codec_read(codec, spec->pin[i], 0,
764 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
765
766 new_pinctl = pinctl & ~AC_PINCTL_EPT;
767 if (is_hbr_format(format))
768 new_pinctl |= AC_PINCTL_EPT_HBR;
769 else
770 new_pinctl |= AC_PINCTL_EPT_NATIVE;
771
772 snd_printdd("hdmi_setup_stream: "
773 "NID=0x%x, %spinctl=0x%x\n",
774 spec->pin[i],
775 pinctl == new_pinctl ? "" : "new-",
776 new_pinctl);
777
778 if (pinctl != new_pinctl)
779 snd_hda_codec_write(codec, spec->pin[i], 0,
780 AC_VERB_SET_PIN_WIDGET_CONTROL,
781 new_pinctl);
782 }
783
784 if (is_hbr_format(format) && !new_pinctl) {
785 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
786 return -EINVAL;
787 }
788
789 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
790 return 0;
791 }
792
793 /*
794 * HDA PCM callbacks
795 */
796 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
797 struct hda_codec *codec,
798 struct snd_pcm_substream *substream)
799 {
800 struct hdmi_spec *spec = codec->spec;
801 struct hdmi_eld *eld;
802 struct hda_pcm_stream *codec_pars;
803 struct snd_pcm_runtime *runtime = substream->runtime;
804 unsigned int idx;
805
806 for (idx = 0; idx < spec->num_cvts; idx++)
807 if (hinfo->nid == spec->cvt[idx])
808 break;
809 if (snd_BUG_ON(idx >= spec->num_cvts) ||
810 snd_BUG_ON(idx >= spec->num_pins))
811 return -EINVAL;
812
813 /* save the PCM info the codec provides */
814 codec_pars = &spec->codec_pcm_pars[idx];
815 if (!codec_pars->rates)
816 *codec_pars = *hinfo;
817
818 eld = &spec->sink_eld[idx];
819 if (!static_hdmi_pcm && eld->eld_valid && eld->sad_count > 0) {
820 hdmi_eld_update_pcm_info(eld, hinfo, codec_pars);
821 if (hinfo->channels_min > hinfo->channels_max ||
822 !hinfo->rates || !hinfo->formats)
823 return -ENODEV;
824 } else {
825 /* fallback to the codec default */
826 hinfo->channels_max = codec_pars->channels_max;
827 hinfo->rates = codec_pars->rates;
828 hinfo->formats = codec_pars->formats;
829 hinfo->maxbps = codec_pars->maxbps;
830 }
831 /* store the updated parameters */
832 runtime->hw.channels_min = hinfo->channels_min;
833 runtime->hw.channels_max = hinfo->channels_max;
834 runtime->hw.formats = hinfo->formats;
835 runtime->hw.rates = hinfo->rates;
836
837 snd_pcm_hw_constraint_step(substream->runtime, 0,
838 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
839 return 0;
840 }
841
842 /*
843 * HDA/HDMI auto parsing
844 */
845 static int hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
846 {
847 struct hdmi_spec *spec = codec->spec;
848 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
849 int conn_len, curr;
850 int index;
851
852 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
853 snd_printk(KERN_WARNING
854 "HDMI: pin %d wcaps %#x "
855 "does not support connection list\n",
856 pin_nid, get_wcaps(codec, pin_nid));
857 return -EINVAL;
858 }
859
860 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
861 HDA_MAX_CONNECTIONS);
862 if (conn_len > 1)
863 curr = snd_hda_codec_read(codec, pin_nid, 0,
864 AC_VERB_GET_CONNECT_SEL, 0);
865 else
866 curr = 0;
867
868 index = hda_node_index(spec->pin, pin_nid);
869 if (index < 0)
870 return -EINVAL;
871
872 spec->pin_cvt[index] = conn_list[curr];
873
874 return 0;
875 }
876
877 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
878 struct hdmi_eld *eld)
879 {
880 /*
881 * Always execute a GetPinSense verb here, even when called from
882 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
883 * response's PD bit is not the real PD value, but indicates that
884 * the real PD value changed. An older version of the HD-audio
885 * specification worked this way. Hence, we just ignore the data in
886 * the unsolicited response to avoid custom WARs.
887 */
888 int present = snd_hda_pin_sense(codec, pin_nid);
889
890 memset(eld, 0, sizeof(*eld));
891
892 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
893 if (eld->monitor_present)
894 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
895 else
896 eld->eld_valid = 0;
897
898 printk(KERN_INFO
899 "HDMI status: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
900 pin_nid, eld->monitor_present, eld->eld_valid);
901
902 if (eld->eld_valid)
903 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
904 snd_hdmi_show_eld(eld);
905
906 snd_hda_input_jack_report(codec, pin_nid);
907 }
908
909 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
910 {
911 struct hdmi_spec *spec = codec->spec;
912 int err;
913
914 if (spec->num_pins >= MAX_HDMI_PINS) {
915 snd_printk(KERN_WARNING
916 "HDMI: no space for pin %d\n", pin_nid);
917 return -E2BIG;
918 }
919
920 err = snd_hda_input_jack_add(codec, pin_nid,
921 SND_JACK_VIDEOOUT, NULL);
922 if (err < 0)
923 return err;
924
925 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
926
927 spec->pin[spec->num_pins] = pin_nid;
928 spec->num_pins++;
929
930 return hdmi_read_pin_conn(codec, pin_nid);
931 }
932
933 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
934 {
935 int i, found_pin = 0;
936 struct hdmi_spec *spec = codec->spec;
937
938 for (i = 0; i < spec->num_pins; i++)
939 if (nid == spec->pin_cvt[i]) {
940 found_pin = 1;
941 break;
942 }
943
944 if (!found_pin) {
945 snd_printdd("HDMI: Skipping node %d (no connection)\n", nid);
946 return -EINVAL;
947 }
948
949 if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
950 return -E2BIG;
951
952 spec->cvt[spec->num_cvts] = nid;
953 spec->num_cvts++;
954
955 return 0;
956 }
957
958 static int hdmi_parse_codec(struct hda_codec *codec)
959 {
960 hda_nid_t nid;
961 int i, nodes;
962 int num_tmp_cvts = 0;
963 hda_nid_t tmp_cvt[MAX_HDMI_CVTS];
964
965 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
966 if (!nid || nodes < 0) {
967 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
968 return -EINVAL;
969 }
970
971 for (i = 0; i < nodes; i++, nid++) {
972 unsigned int caps;
973 unsigned int type;
974 unsigned int config;
975
976 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
977 type = get_wcaps_type(caps);
978
979 if (!(caps & AC_WCAP_DIGITAL))
980 continue;
981
982 switch (type) {
983 case AC_WID_AUD_OUT:
984 if (num_tmp_cvts >= MAX_HDMI_CVTS) {
985 snd_printk(KERN_WARNING
986 "HDMI: no space for converter %d\n", nid);
987 continue;
988 }
989 tmp_cvt[num_tmp_cvts] = nid;
990 num_tmp_cvts++;
991 break;
992 case AC_WID_PIN:
993 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
994 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
995 continue;
996
997 config = snd_hda_codec_read(codec, nid, 0,
998 AC_VERB_GET_CONFIG_DEFAULT, 0);
999 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1000 continue;
1001
1002 hdmi_add_pin(codec, nid);
1003 break;
1004 }
1005 }
1006
1007 for (i = 0; i < num_tmp_cvts; i++)
1008 hdmi_add_cvt(codec, tmp_cvt[i]);
1009
1010 /*
1011 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1012 * can be lost and presence sense verb will become inaccurate if the
1013 * HDA link is powered off at hot plug or hw initialization time.
1014 */
1015 #ifdef CONFIG_SND_HDA_POWER_SAVE
1016 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1017 AC_PWRST_EPSS))
1018 codec->bus->power_keep_link_on = 1;
1019 #endif
1020
1021 return 0;
1022 }
1023
1024 /*
1025 */
1026 static char *generic_hdmi_pcm_names[MAX_HDMI_CVTS] = {
1027 "HDMI 0",
1028 "HDMI 1",
1029 "HDMI 2",
1030 "HDMI 3",
1031 };
1032
1033 /*
1034 * HDMI callbacks
1035 */
1036
1037 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1038 struct hda_codec *codec,
1039 unsigned int stream_tag,
1040 unsigned int format,
1041 struct snd_pcm_substream *substream)
1042 {
1043 hdmi_set_channel_count(codec, hinfo->nid,
1044 substream->runtime->channels);
1045
1046 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
1047
1048 return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
1049 }
1050
1051 static const struct hda_pcm_stream generic_hdmi_pcm_playback = {
1052 .substreams = 1,
1053 .channels_min = 2,
1054 .ops = {
1055 .open = hdmi_pcm_open,
1056 .prepare = generic_hdmi_playback_pcm_prepare,
1057 },
1058 };
1059
1060 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1061 {
1062 struct hdmi_spec *spec = codec->spec;
1063 struct hda_pcm *info = spec->pcm_rec;
1064 int i;
1065
1066 codec->num_pcms = spec->num_cvts;
1067 codec->pcm_info = info;
1068
1069 for (i = 0; i < codec->num_pcms; i++, info++) {
1070 unsigned int chans;
1071 struct hda_pcm_stream *pstr;
1072
1073 chans = get_wcaps(codec, spec->cvt[i]);
1074 chans = get_wcaps_channels(chans);
1075
1076 info->name = generic_hdmi_pcm_names[i];
1077 info->pcm_type = HDA_PCM_TYPE_HDMI;
1078 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1079 if (spec->pcm_playback)
1080 *pstr = *spec->pcm_playback;
1081 else
1082 *pstr = generic_hdmi_pcm_playback;
1083 pstr->nid = spec->cvt[i];
1084 if (pstr->channels_max <= 2 && chans && chans <= 16)
1085 pstr->channels_max = chans;
1086 }
1087
1088 return 0;
1089 }
1090
1091 static int generic_hdmi_build_controls(struct hda_codec *codec)
1092 {
1093 struct hdmi_spec *spec = codec->spec;
1094 int err;
1095 int i;
1096
1097 for (i = 0; i < codec->num_pcms; i++) {
1098 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
1099 if (err < 0)
1100 return err;
1101 }
1102
1103 return 0;
1104 }
1105
1106 static int generic_hdmi_init(struct hda_codec *codec)
1107 {
1108 struct hdmi_spec *spec = codec->spec;
1109 int i;
1110
1111 for (i = 0; spec->pin[i]; i++) {
1112 hdmi_enable_output(codec, spec->pin[i]);
1113 snd_hda_codec_write(codec, spec->pin[i], 0,
1114 AC_VERB_SET_UNSOLICITED_ENABLE,
1115 AC_USRSP_EN | spec->pin[i]);
1116 }
1117 return 0;
1118 }
1119
1120 static void generic_hdmi_free(struct hda_codec *codec)
1121 {
1122 struct hdmi_spec *spec = codec->spec;
1123 int i;
1124
1125 for (i = 0; i < spec->num_pins; i++)
1126 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
1127 snd_hda_input_jack_free(codec);
1128
1129 kfree(spec);
1130 }
1131
1132 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1133 .init = generic_hdmi_init,
1134 .free = generic_hdmi_free,
1135 .build_pcms = generic_hdmi_build_pcms,
1136 .build_controls = generic_hdmi_build_controls,
1137 .unsol_event = hdmi_unsol_event,
1138 };
1139
1140 static int patch_generic_hdmi(struct hda_codec *codec)
1141 {
1142 struct hdmi_spec *spec;
1143 int i;
1144
1145 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1146 if (spec == NULL)
1147 return -ENOMEM;
1148
1149 codec->spec = spec;
1150 if (hdmi_parse_codec(codec) < 0) {
1151 codec->spec = NULL;
1152 kfree(spec);
1153 return -EINVAL;
1154 }
1155 codec->patch_ops = generic_hdmi_patch_ops;
1156
1157 for (i = 0; i < spec->num_pins; i++)
1158 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
1159
1160 init_channel_allocations();
1161
1162 return 0;
1163 }
1164
1165 /*
1166 * Nvidia specific implementations
1167 */
1168
1169 #define Nv_VERB_SET_Channel_Allocation 0xF79
1170 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
1171 #define Nv_VERB_SET_Audio_Protection_On 0xF98
1172 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
1173
1174 #define nvhdmi_master_con_nid_7x 0x04
1175 #define nvhdmi_master_pin_nid_7x 0x05
1176
1177 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1178 /*front, rear, clfe, rear_surr */
1179 0x6, 0x8, 0xa, 0xc,
1180 };
1181
1182 static const struct hda_verb nvhdmi_basic_init_7x[] = {
1183 /* set audio protect on */
1184 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1185 /* enable digital output on pin widget */
1186 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1187 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1188 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1189 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1190 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1191 {} /* terminator */
1192 };
1193
1194 #ifdef LIMITED_RATE_FMT_SUPPORT
1195 /* support only the safe format and rate */
1196 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
1197 #define SUPPORTED_MAXBPS 16
1198 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
1199 #else
1200 /* support all rates and formats */
1201 #define SUPPORTED_RATES \
1202 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1203 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1204 SNDRV_PCM_RATE_192000)
1205 #define SUPPORTED_MAXBPS 24
1206 #define SUPPORTED_FORMATS \
1207 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1208 #endif
1209
1210 static int nvhdmi_7x_init(struct hda_codec *codec)
1211 {
1212 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1213 return 0;
1214 }
1215
1216 static unsigned int channels_2_6_8[] = {
1217 2, 6, 8
1218 };
1219
1220 static unsigned int channels_2_8[] = {
1221 2, 8
1222 };
1223
1224 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1225 .count = ARRAY_SIZE(channels_2_6_8),
1226 .list = channels_2_6_8,
1227 .mask = 0,
1228 };
1229
1230 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1231 .count = ARRAY_SIZE(channels_2_8),
1232 .list = channels_2_8,
1233 .mask = 0,
1234 };
1235
1236 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1237 struct hda_codec *codec,
1238 struct snd_pcm_substream *substream)
1239 {
1240 struct hdmi_spec *spec = codec->spec;
1241 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1242
1243 switch (codec->preset->id) {
1244 case 0x10de0002:
1245 case 0x10de0003:
1246 case 0x10de0005:
1247 case 0x10de0006:
1248 hw_constraints_channels = &hw_constraints_2_8_channels;
1249 break;
1250 case 0x10de0007:
1251 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1252 break;
1253 default:
1254 break;
1255 }
1256
1257 if (hw_constraints_channels != NULL) {
1258 snd_pcm_hw_constraint_list(substream->runtime, 0,
1259 SNDRV_PCM_HW_PARAM_CHANNELS,
1260 hw_constraints_channels);
1261 } else {
1262 snd_pcm_hw_constraint_step(substream->runtime, 0,
1263 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1264 }
1265
1266 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1267 }
1268
1269 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1270 struct hda_codec *codec,
1271 struct snd_pcm_substream *substream)
1272 {
1273 struct hdmi_spec *spec = codec->spec;
1274 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1275 }
1276
1277 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1278 struct hda_codec *codec,
1279 unsigned int stream_tag,
1280 unsigned int format,
1281 struct snd_pcm_substream *substream)
1282 {
1283 struct hdmi_spec *spec = codec->spec;
1284 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1285 stream_tag, format, substream);
1286 }
1287
1288 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1289 int channels)
1290 {
1291 unsigned int chanmask;
1292 int chan = channels ? (channels - 1) : 1;
1293
1294 switch (channels) {
1295 default:
1296 case 0:
1297 case 2:
1298 chanmask = 0x00;
1299 break;
1300 case 4:
1301 chanmask = 0x08;
1302 break;
1303 case 6:
1304 chanmask = 0x0b;
1305 break;
1306 case 8:
1307 chanmask = 0x13;
1308 break;
1309 }
1310
1311 /* Set the audio infoframe channel allocation and checksum fields. The
1312 * channel count is computed implicitly by the hardware. */
1313 snd_hda_codec_write(codec, 0x1, 0,
1314 Nv_VERB_SET_Channel_Allocation, chanmask);
1315
1316 snd_hda_codec_write(codec, 0x1, 0,
1317 Nv_VERB_SET_Info_Frame_Checksum,
1318 (0x71 - chan - chanmask));
1319 }
1320
1321 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1322 struct hda_codec *codec,
1323 struct snd_pcm_substream *substream)
1324 {
1325 struct hdmi_spec *spec = codec->spec;
1326 int i;
1327
1328 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1329 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1330 for (i = 0; i < 4; i++) {
1331 /* set the stream id */
1332 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1333 AC_VERB_SET_CHANNEL_STREAMID, 0);
1334 /* set the stream format */
1335 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1336 AC_VERB_SET_STREAM_FORMAT, 0);
1337 }
1338
1339 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1340 * streams are disabled. */
1341 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1342
1343 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1344 }
1345
1346 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1347 struct hda_codec *codec,
1348 unsigned int stream_tag,
1349 unsigned int format,
1350 struct snd_pcm_substream *substream)
1351 {
1352 int chs;
1353 unsigned int dataDCC1, dataDCC2, channel_id;
1354 int i;
1355
1356 mutex_lock(&codec->spdif_mutex);
1357
1358 chs = substream->runtime->channels;
1359
1360 dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
1361 dataDCC2 = 0x2;
1362
1363 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1364 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
1365 snd_hda_codec_write(codec,
1366 nvhdmi_master_con_nid_7x,
1367 0,
1368 AC_VERB_SET_DIGI_CONVERT_1,
1369 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1370
1371 /* set the stream id */
1372 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1373 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1374
1375 /* set the stream format */
1376 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1377 AC_VERB_SET_STREAM_FORMAT, format);
1378
1379 /* turn on again (if needed) */
1380 /* enable and set the channel status audio/data flag */
1381 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1382 snd_hda_codec_write(codec,
1383 nvhdmi_master_con_nid_7x,
1384 0,
1385 AC_VERB_SET_DIGI_CONVERT_1,
1386 codec->spdif_ctls & 0xff);
1387 snd_hda_codec_write(codec,
1388 nvhdmi_master_con_nid_7x,
1389 0,
1390 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1391 }
1392
1393 for (i = 0; i < 4; i++) {
1394 if (chs == 2)
1395 channel_id = 0;
1396 else
1397 channel_id = i * 2;
1398
1399 /* turn off SPDIF once;
1400 *otherwise the IEC958 bits won't be updated
1401 */
1402 if (codec->spdif_status_reset &&
1403 (codec->spdif_ctls & AC_DIG1_ENABLE))
1404 snd_hda_codec_write(codec,
1405 nvhdmi_con_nids_7x[i],
1406 0,
1407 AC_VERB_SET_DIGI_CONVERT_1,
1408 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1409 /* set the stream id */
1410 snd_hda_codec_write(codec,
1411 nvhdmi_con_nids_7x[i],
1412 0,
1413 AC_VERB_SET_CHANNEL_STREAMID,
1414 (stream_tag << 4) | channel_id);
1415 /* set the stream format */
1416 snd_hda_codec_write(codec,
1417 nvhdmi_con_nids_7x[i],
1418 0,
1419 AC_VERB_SET_STREAM_FORMAT,
1420 format);
1421 /* turn on again (if needed) */
1422 /* enable and set the channel status audio/data flag */
1423 if (codec->spdif_status_reset &&
1424 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1425 snd_hda_codec_write(codec,
1426 nvhdmi_con_nids_7x[i],
1427 0,
1428 AC_VERB_SET_DIGI_CONVERT_1,
1429 codec->spdif_ctls & 0xff);
1430 snd_hda_codec_write(codec,
1431 nvhdmi_con_nids_7x[i],
1432 0,
1433 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1434 }
1435 }
1436
1437 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1438
1439 mutex_unlock(&codec->spdif_mutex);
1440 return 0;
1441 }
1442
1443 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1444 .substreams = 1,
1445 .channels_min = 2,
1446 .channels_max = 8,
1447 .nid = nvhdmi_master_con_nid_7x,
1448 .rates = SUPPORTED_RATES,
1449 .maxbps = SUPPORTED_MAXBPS,
1450 .formats = SUPPORTED_FORMATS,
1451 .ops = {
1452 .open = simple_playback_pcm_open,
1453 .close = nvhdmi_8ch_7x_pcm_close,
1454 .prepare = nvhdmi_8ch_7x_pcm_prepare
1455 },
1456 };
1457
1458 static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1459 .substreams = 1,
1460 .channels_min = 2,
1461 .channels_max = 2,
1462 .nid = nvhdmi_master_con_nid_7x,
1463 .rates = SUPPORTED_RATES,
1464 .maxbps = SUPPORTED_MAXBPS,
1465 .formats = SUPPORTED_FORMATS,
1466 .ops = {
1467 .open = simple_playback_pcm_open,
1468 .close = simple_playback_pcm_close,
1469 .prepare = simple_playback_pcm_prepare
1470 },
1471 };
1472
1473 static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1474 .build_controls = generic_hdmi_build_controls,
1475 .build_pcms = generic_hdmi_build_pcms,
1476 .init = nvhdmi_7x_init,
1477 .free = generic_hdmi_free,
1478 };
1479
1480 static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1481 .build_controls = generic_hdmi_build_controls,
1482 .build_pcms = generic_hdmi_build_pcms,
1483 .init = nvhdmi_7x_init,
1484 .free = generic_hdmi_free,
1485 };
1486
1487 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1488 {
1489 struct hdmi_spec *spec;
1490
1491 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1492 if (spec == NULL)
1493 return -ENOMEM;
1494
1495 codec->spec = spec;
1496
1497 spec->multiout.num_dacs = 0; /* no analog */
1498 spec->multiout.max_channels = 2;
1499 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1500 spec->num_cvts = 1;
1501 spec->cvt[0] = nvhdmi_master_con_nid_7x;
1502 spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1503
1504 codec->patch_ops = nvhdmi_patch_ops_2ch;
1505
1506 return 0;
1507 }
1508
1509 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1510 {
1511 struct hdmi_spec *spec;
1512 int err = patch_nvhdmi_2ch(codec);
1513
1514 if (err < 0)
1515 return err;
1516 spec = codec->spec;
1517 spec->multiout.max_channels = 8;
1518 spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1519 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1520
1521 /* Initialize the audio infoframe channel mask and checksum to something
1522 * valid */
1523 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1524
1525 return 0;
1526 }
1527
1528 /*
1529 * ATI-specific implementations
1530 *
1531 * FIXME: we may omit the whole this and use the generic code once after
1532 * it's confirmed to work.
1533 */
1534
1535 #define ATIHDMI_CVT_NID 0x02 /* audio converter */
1536 #define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
1537
1538 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1539 struct hda_codec *codec,
1540 unsigned int stream_tag,
1541 unsigned int format,
1542 struct snd_pcm_substream *substream)
1543 {
1544 struct hdmi_spec *spec = codec->spec;
1545 int chans = substream->runtime->channels;
1546 int i, err;
1547
1548 err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1549 substream);
1550 if (err < 0)
1551 return err;
1552 snd_hda_codec_write(codec, spec->cvt[0], 0, AC_VERB_SET_CVT_CHAN_COUNT,
1553 chans - 1);
1554 /* FIXME: XXX */
1555 for (i = 0; i < chans; i++) {
1556 snd_hda_codec_write(codec, spec->cvt[0], 0,
1557 AC_VERB_SET_HDMI_CHAN_SLOT,
1558 (i << 4) | i);
1559 }
1560 return 0;
1561 }
1562
1563 static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1564 .substreams = 1,
1565 .channels_min = 2,
1566 .channels_max = 2,
1567 .nid = ATIHDMI_CVT_NID,
1568 .ops = {
1569 .open = simple_playback_pcm_open,
1570 .close = simple_playback_pcm_close,
1571 .prepare = atihdmi_playback_pcm_prepare
1572 },
1573 };
1574
1575 static const struct hda_verb atihdmi_basic_init[] = {
1576 /* enable digital output on pin widget */
1577 { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1578 {} /* terminator */
1579 };
1580
1581 static int atihdmi_init(struct hda_codec *codec)
1582 {
1583 struct hdmi_spec *spec = codec->spec;
1584
1585 snd_hda_sequence_write(codec, atihdmi_basic_init);
1586 /* SI codec requires to unmute the pin */
1587 if (get_wcaps(codec, spec->pin[0]) & AC_WCAP_OUT_AMP)
1588 snd_hda_codec_write(codec, spec->pin[0], 0,
1589 AC_VERB_SET_AMP_GAIN_MUTE,
1590 AMP_OUT_UNMUTE);
1591 return 0;
1592 }
1593
1594 static const struct hda_codec_ops atihdmi_patch_ops = {
1595 .build_controls = generic_hdmi_build_controls,
1596 .build_pcms = generic_hdmi_build_pcms,
1597 .init = atihdmi_init,
1598 .free = generic_hdmi_free,
1599 };
1600
1601
1602 static int patch_atihdmi(struct hda_codec *codec)
1603 {
1604 struct hdmi_spec *spec;
1605
1606 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1607 if (spec == NULL)
1608 return -ENOMEM;
1609
1610 codec->spec = spec;
1611
1612 spec->multiout.num_dacs = 0; /* no analog */
1613 spec->multiout.max_channels = 2;
1614 spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1615 spec->num_cvts = 1;
1616 spec->cvt[0] = ATIHDMI_CVT_NID;
1617 spec->pin[0] = ATIHDMI_PIN_NID;
1618 spec->pcm_playback = &atihdmi_pcm_digital_playback;
1619
1620 codec->patch_ops = atihdmi_patch_ops;
1621
1622 return 0;
1623 }
1624
1625
1626 /*
1627 * patch entries
1628 */
1629 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1630 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
1631 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
1632 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
1633 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_generic_hdmi },
1634 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
1635 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
1636 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
1637 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1638 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1639 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1640 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1641 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
1642 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_generic_hdmi },
1643 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi },
1644 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi },
1645 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi },
1646 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi },
1647 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi },
1648 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi },
1649 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi },
1650 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi },
1651 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi },
1652 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi },
1653 /* 17 is known to be absent */
1654 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi },
1655 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi },
1656 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi },
1657 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi },
1658 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi },
1659 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi },
1660 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi },
1661 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi },
1662 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi },
1663 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi },
1664 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
1665 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
1666 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1667 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
1668 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
1669 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
1670 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1671 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1672 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1673 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
1674 {} /* terminator */
1675 };
1676
1677 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1678 MODULE_ALIAS("snd-hda-codec-id:10027919");
1679 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1680 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1681 MODULE_ALIAS("snd-hda-codec-id:10951390");
1682 MODULE_ALIAS("snd-hda-codec-id:10951392");
1683 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1684 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1685 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1686 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1687 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1688 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1689 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1690 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1691 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1692 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1693 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1694 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1695 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1696 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1697 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1698 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1699 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1700 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1701 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1702 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1703 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1704 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1705 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1706 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1707 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1708 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1709 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1710 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1711 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1712 MODULE_ALIAS("snd-hda-codec-id:80860054");
1713 MODULE_ALIAS("snd-hda-codec-id:80862801");
1714 MODULE_ALIAS("snd-hda-codec-id:80862802");
1715 MODULE_ALIAS("snd-hda-codec-id:80862803");
1716 MODULE_ALIAS("snd-hda-codec-id:80862804");
1717 MODULE_ALIAS("snd-hda-codec-id:80862805");
1718 MODULE_ALIAS("snd-hda-codec-id:80862806");
1719 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1720
1721 MODULE_LICENSE("GPL");
1722 MODULE_DESCRIPTION("HDMI HD-audio codec");
1723 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1724 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1725 MODULE_ALIAS("snd-hda-codec-atihdmi");
1726
1727 static struct hda_codec_preset_list intel_list = {
1728 .preset = snd_hda_preset_hdmi,
1729 .owner = THIS_MODULE,
1730 };
1731
1732 static int __init patch_hdmi_init(void)
1733 {
1734 return snd_hda_add_codec_preset(&intel_list);
1735 }
1736
1737 static void __exit patch_hdmi_exit(void)
1738 {
1739 snd_hda_delete_codec_preset(&intel_list);
1740 }
1741
1742 module_init(patch_hdmi_init)
1743 module_exit(patch_hdmi_exit)
Linux Btrfs Development