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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
40static bool static_hdmi_pcm;
41module_param(static_hdmi_pcm, bool, 0644);
42MODULE_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 N 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
54struct hdmi_spec_per_cvt {
55 hda_nid_t cvt_nid;
56 int assigned;
57 unsigned int channels_min;
58 unsigned int channels_max;
59 u32 rates;
60 u64 formats;
61 unsigned int maxbps;
62};
63
64struct hdmi_spec_per_pin {
65 hda_nid_t pin_nid;
66 int num_mux_nids;
67 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
68 struct hdmi_eld sink_eld;
69};
70
71struct hdmi_spec {
72 int num_cvts;
73 struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
74
75 int num_pins;
76 struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
77 struct hda_pcm pcm_rec[MAX_HDMI_PINS];
78
79 /*
80 * Non-generic ATI/NVIDIA specific
81 */
82 struct hda_multi_out multiout;
83 const struct hda_pcm_stream *pcm_playback;
84};
85
86
87struct hdmi_audio_infoframe {
88 u8 type; /* 0x84 */
89 u8 ver; /* 0x01 */
90 u8 len; /* 0x0a */
91
92 u8 checksum;
93
94 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
95 u8 SS01_SF24;
96 u8 CXT04;
97 u8 CA;
98 u8 LFEPBL01_LSV36_DM_INH7;
99};
100
101struct dp_audio_infoframe {
102 u8 type; /* 0x84 */
103 u8 len; /* 0x1b */
104 u8 ver; /* 0x11 << 2 */
105
106 u8 CC02_CT47; /* match with HDMI infoframe from this on */
107 u8 SS01_SF24;
108 u8 CXT04;
109 u8 CA;
110 u8 LFEPBL01_LSV36_DM_INH7;
111};
112
113union audio_infoframe {
114 struct hdmi_audio_infoframe hdmi;
115 struct dp_audio_infoframe dp;
116 u8 bytes[0];
117};
118
119/*
120 * CEA speaker placement:
121 *
122 * FLH FCH FRH
123 * FLW FL FLC FC FRC FR FRW
124 *
125 * LFE
126 * TC
127 *
128 * RL RLC RC RRC RR
129 *
130 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
131 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
132 */
133enum cea_speaker_placement {
134 FL = (1 << 0), /* Front Left */
135 FC = (1 << 1), /* Front Center */
136 FR = (1 << 2), /* Front Right */
137 FLC = (1 << 3), /* Front Left Center */
138 FRC = (1 << 4), /* Front Right Center */
139 RL = (1 << 5), /* Rear Left */
140 RC = (1 << 6), /* Rear Center */
141 RR = (1 << 7), /* Rear Right */
142 RLC = (1 << 8), /* Rear Left Center */
143 RRC = (1 << 9), /* Rear Right Center */
144 LFE = (1 << 10), /* Low Frequency Effect */
145 FLW = (1 << 11), /* Front Left Wide */
146 FRW = (1 << 12), /* Front Right Wide */
147 FLH = (1 << 13), /* Front Left High */
148 FCH = (1 << 14), /* Front Center High */
149 FRH = (1 << 15), /* Front Right High */
150 TC = (1 << 16), /* Top Center */
151};
152
153/*
154 * ELD SA bits in the CEA Speaker Allocation data block
155 */
156static int eld_speaker_allocation_bits[] = {
157 [0] = FL | FR,
158 [1] = LFE,
159 [2] = FC,
160 [3] = RL | RR,
161 [4] = RC,
162 [5] = FLC | FRC,
163 [6] = RLC | RRC,
164 /* the following are not defined in ELD yet */
165 [7] = FLW | FRW,
166 [8] = FLH | FRH,
167 [9] = TC,
168 [10] = FCH,
169};
170
171struct cea_channel_speaker_allocation {
172 int ca_index;
173 int speakers[8];
174
175 /* derived values, just for convenience */
176 int channels;
177 int spk_mask;
178};
179
180/*
181 * ALSA sequence is:
182 *
183 * surround40 surround41 surround50 surround51 surround71
184 * ch0 front left = = = =
185 * ch1 front right = = = =
186 * ch2 rear left = = = =
187 * ch3 rear right = = = =
188 * ch4 LFE center center center
189 * ch5 LFE LFE
190 * ch6 side left
191 * ch7 side right
192 *
193 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
194 */
195static int hdmi_channel_mapping[0x32][8] = {
196 /* stereo */
197 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
198 /* 2.1 */
199 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
200 /* Dolby Surround */
201 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
202 /* surround40 */
203 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
204 /* 4ch */
205 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
206 /* surround41 */
207 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
208 /* surround50 */
209 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
210 /* surround51 */
211 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
212 /* 7.1 */
213 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
214};
215
216/*
217 * This is an ordered list!
218 *
219 * The preceding ones have better chances to be selected by
220 * hdmi_channel_allocation().
221 */
222static struct cea_channel_speaker_allocation channel_allocations[] = {
223/* channel: 7 6 5 4 3 2 1 0 */
224{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
225 /* 2.1 */
226{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
227 /* Dolby Surround */
228{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
229 /* surround40 */
230{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
231 /* surround41 */
232{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
233 /* surround50 */
234{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
235 /* surround51 */
236{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
237 /* 6.1 */
238{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
239 /* surround71 */
240{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
241
242{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
243{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
244{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
245{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
246{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
247{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
248{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
249{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
250{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
251{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
252{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
253{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
254{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
255{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
256{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
257{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
258{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
259{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
260{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
261{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
262{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
263{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
264{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
265{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
266{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
267{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
268{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
269{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
270{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
271{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
272{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
273{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
274{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
275{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
276{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
277{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
278{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
279{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
280{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
281{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
282{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
283};
284
285
286/*
287 * HDMI routines
288 */
289
290static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
291{
292 int pin_idx;
293
294 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
295 if (spec->pins[pin_idx].pin_nid == pin_nid)
296 return pin_idx;
297
298 snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
299 return -EINVAL;
300}
301
302static int hinfo_to_pin_index(struct hdmi_spec *spec,
303 struct hda_pcm_stream *hinfo)
304{
305 int pin_idx;
306
307 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
308 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
309 return pin_idx;
310
311 snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
312 return -EINVAL;
313}
314
315static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
316{
317 int cvt_idx;
318
319 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
320 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
321 return cvt_idx;
322
323 snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
324 return -EINVAL;
325}
326
327#ifdef BE_PARANOID
328static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
329 int *packet_index, int *byte_index)
330{
331 int val;
332
333 val = snd_hda_codec_read(codec, pin_nid, 0,
334 AC_VERB_GET_HDMI_DIP_INDEX, 0);
335
336 *packet_index = val >> 5;
337 *byte_index = val & 0x1f;
338}
339#endif
340
341static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
342 int packet_index, int byte_index)
343{
344 int val;
345
346 val = (packet_index << 5) | (byte_index & 0x1f);
347
348 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
349}
350
351static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
352 unsigned char val)
353{
354 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
355}
356
357static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
358{
359 /* Unmute */
360 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
361 snd_hda_codec_write(codec, pin_nid, 0,
362 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
363 /* Disable pin out until stream is active*/
364 snd_hda_codec_write(codec, pin_nid, 0,
365 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
366}
367
368static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
369{
370 return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
371 AC_VERB_GET_CVT_CHAN_COUNT, 0);
372}
373
374static void hdmi_set_channel_count(struct hda_codec *codec,
375 hda_nid_t cvt_nid, int chs)
376{
377 if (chs != hdmi_get_channel_count(codec, cvt_nid))
378 snd_hda_codec_write(codec, cvt_nid, 0,
379 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
380}
381
382
383/*
384 * Channel mapping routines
385 */
386
387/*
388 * Compute derived values in channel_allocations[].
389 */
390static void init_channel_allocations(void)
391{
392 int i, j;
393 struct cea_channel_speaker_allocation *p;
394
395 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
396 p = channel_allocations + i;
397 p->channels = 0;
398 p->spk_mask = 0;
399 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
400 if (p->speakers[j]) {
401 p->channels++;
402 p->spk_mask |= p->speakers[j];
403 }
404 }
405}
406
407/*
408 * The transformation takes two steps:
409 *
410 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
411 * spk_mask => (channel_allocations[]) => ai->CA
412 *
413 * TODO: it could select the wrong CA from multiple candidates.
414*/
415static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
416{
417 int i;
418 int ca = 0;
419 int spk_mask = 0;
420 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
421
422 /*
423 * CA defaults to 0 for basic stereo audio
424 */
425 if (channels <= 2)
426 return 0;
427
428 /*
429 * expand ELD's speaker allocation mask
430 *
431 * ELD tells the speaker mask in a compact(paired) form,
432 * expand ELD's notions to match the ones used by Audio InfoFrame.
433 */
434 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
435 if (eld->spk_alloc & (1 << i))
436 spk_mask |= eld_speaker_allocation_bits[i];
437 }
438
439 /* search for the first working match in the CA table */
440 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
441 if (channels == channel_allocations[i].channels &&
442 (spk_mask & channel_allocations[i].spk_mask) ==
443 channel_allocations[i].spk_mask) {
444 ca = channel_allocations[i].ca_index;
445 break;
446 }
447 }
448
449 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
450 snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
451 ca, channels, buf);
452
453 return ca;
454}
455
456static void hdmi_debug_channel_mapping(struct hda_codec *codec,
457 hda_nid_t pin_nid)
458{
459#ifdef CONFIG_SND_DEBUG_VERBOSE
460 int i;
461 int slot;
462
463 for (i = 0; i < 8; i++) {
464 slot = snd_hda_codec_read(codec, pin_nid, 0,
465 AC_VERB_GET_HDMI_CHAN_SLOT, i);
466 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
467 slot >> 4, slot & 0xf);
468 }
469#endif
470}
471
472
473static void hdmi_setup_channel_mapping(struct hda_codec *codec,
474 hda_nid_t pin_nid,
475 int ca)
476{
477 int i;
478 int err;
479
480 if (hdmi_channel_mapping[ca][1] == 0) {
481 for (i = 0; i < channel_allocations[ca].channels; i++)
482 hdmi_channel_mapping[ca][i] = i | (i << 4);
483 for (; i < 8; i++)
484 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
485 }
486
487 for (i = 0; i < 8; i++) {
488 err = snd_hda_codec_write(codec, pin_nid, 0,
489 AC_VERB_SET_HDMI_CHAN_SLOT,
490 hdmi_channel_mapping[ca][i]);
491 if (err) {
492 snd_printdd(KERN_NOTICE
493 "HDMI: channel mapping failed\n");
494 break;
495 }
496 }
497
498 hdmi_debug_channel_mapping(codec, pin_nid);
499}
500
501
502/*
503 * Audio InfoFrame routines
504 */
505
506/*
507 * Enable Audio InfoFrame Transmission
508 */
509static void hdmi_start_infoframe_trans(struct hda_codec *codec,
510 hda_nid_t pin_nid)
511{
512 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
513 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
514 AC_DIPXMIT_BEST);
515}
516
517/*
518 * Disable Audio InfoFrame Transmission
519 */
520static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
521 hda_nid_t pin_nid)
522{
523 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
524 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
525 AC_DIPXMIT_DISABLE);
526}
527
528static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
529{
530#ifdef CONFIG_SND_DEBUG_VERBOSE
531 int i;
532 int size;
533
534 size = snd_hdmi_get_eld_size(codec, pin_nid);
535 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
536
537 for (i = 0; i < 8; i++) {
538 size = snd_hda_codec_read(codec, pin_nid, 0,
539 AC_VERB_GET_HDMI_DIP_SIZE, i);
540 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
541 }
542#endif
543}
544
545static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
546{
547#ifdef BE_PARANOID
548 int i, j;
549 int size;
550 int pi, bi;
551 for (i = 0; i < 8; i++) {
552 size = snd_hda_codec_read(codec, pin_nid, 0,
553 AC_VERB_GET_HDMI_DIP_SIZE, i);
554 if (size == 0)
555 continue;
556
557 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
558 for (j = 1; j < 1000; j++) {
559 hdmi_write_dip_byte(codec, pin_nid, 0x0);
560 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
561 if (pi != i)
562 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
563 bi, pi, i);
564 if (bi == 0) /* byte index wrapped around */
565 break;
566 }
567 snd_printd(KERN_INFO
568 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
569 i, size, j);
570 }
571#endif
572}
573
574static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
575{
576 u8 *bytes = (u8 *)hdmi_ai;
577 u8 sum = 0;
578 int i;
579
580 hdmi_ai->checksum = 0;
581
582 for (i = 0; i < sizeof(*hdmi_ai); i++)
583 sum += bytes[i];
584
585 hdmi_ai->checksum = -sum;
586}
587
588static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
589 hda_nid_t pin_nid,
590 u8 *dip, int size)
591{
592 int i;
593
594 hdmi_debug_dip_size(codec, pin_nid);
595 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
596
597 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
598 for (i = 0; i < size; i++)
599 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
600}
601
602static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
603 u8 *dip, int size)
604{
605 u8 val;
606 int i;
607
608 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
609 != AC_DIPXMIT_BEST)
610 return false;
611
612 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
613 for (i = 0; i < size; i++) {
614 val = snd_hda_codec_read(codec, pin_nid, 0,
615 AC_VERB_GET_HDMI_DIP_DATA, 0);
616 if (val != dip[i])
617 return false;
618 }
619
620 return true;
621}
622
623static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
624 struct snd_pcm_substream *substream)
625{
626 struct hdmi_spec *spec = codec->spec;
627 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
628 hda_nid_t pin_nid = per_pin->pin_nid;
629 int channels = substream->runtime->channels;
630 struct hdmi_eld *eld;
631 int ca;
632 union audio_infoframe ai;
633
634 eld = &spec->pins[pin_idx].sink_eld;
635 if (!eld->monitor_present)
636 return;
637
638 ca = hdmi_channel_allocation(eld, channels);
639
640 memset(&ai, 0, sizeof(ai));
641 if (eld->conn_type == 0) { /* HDMI */
642 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
643
644 hdmi_ai->type = 0x84;
645 hdmi_ai->ver = 0x01;
646 hdmi_ai->len = 0x0a;
647 hdmi_ai->CC02_CT47 = channels - 1;
648 hdmi_ai->CA = ca;
649 hdmi_checksum_audio_infoframe(hdmi_ai);
650 } else if (eld->conn_type == 1) { /* DisplayPort */
651 struct dp_audio_infoframe *dp_ai = &ai.dp;
652
653 dp_ai->type = 0x84;
654 dp_ai->len = 0x1b;
655 dp_ai->ver = 0x11 << 2;
656 dp_ai->CC02_CT47 = channels - 1;
657 dp_ai->CA = ca;
658 } else {
659 snd_printd("HDMI: unknown connection type at pin %d\n",
660 pin_nid);
661 return;
662 }
663
664 /*
665 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
666 * sizeof(*dp_ai) to avoid partial match/update problems when
667 * the user switches between HDMI/DP monitors.
668 */
669 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
670 sizeof(ai))) {
671 snd_printdd("hdmi_setup_audio_infoframe: "
672 "pin=%d channels=%d\n",
673 pin_nid,
674 channels);
675 hdmi_setup_channel_mapping(codec, pin_nid, ca);
676 hdmi_stop_infoframe_trans(codec, pin_nid);
677 hdmi_fill_audio_infoframe(codec, pin_nid,
678 ai.bytes, sizeof(ai));
679 hdmi_start_infoframe_trans(codec, pin_nid);
680 }
681}
682
683
684/*
685 * Unsolicited events
686 */
687
688static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
689 struct hdmi_eld *eld);
690
691static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
692{
693 struct hdmi_spec *spec = codec->spec;
694 int pin_nid = res >> AC_UNSOL_RES_TAG_SHIFT;
695 int pd = !!(res & AC_UNSOL_RES_PD);
696 int eldv = !!(res & AC_UNSOL_RES_ELDV);
697 int pin_idx;
698 struct hdmi_eld *eld;
699
700 printk(KERN_INFO
701 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
702 codec->addr, pin_nid, pd, eldv);
703
704 pin_idx = pin_nid_to_pin_index(spec, pin_nid);
705 if (pin_idx < 0)
706 return;
707 eld = &spec->pins[pin_idx].sink_eld;
708
709 hdmi_present_sense(codec, pin_nid, eld);
710
711 /*
712 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
713 * in console or for audio devices. Assume the highest speakers
714 * configuration, to _not_ prohibit multi-channel audio playback.
715 */
716 if (!eld->spk_alloc)
717 eld->spk_alloc = 0xffff;
718}
719
720static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
721{
722 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
723 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
724 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
725 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
726
727 printk(KERN_INFO
728 "HDMI CP event: CODEC=%d PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
729 codec->addr,
730 tag,
731 subtag,
732 cp_state,
733 cp_ready);
734
735 /* TODO */
736 if (cp_state)
737 ;
738 if (cp_ready)
739 ;
740}
741
742
743static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
744{
745 struct hdmi_spec *spec = codec->spec;
746 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
747 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
748
749 if (pin_nid_to_pin_index(spec, tag) < 0) {
750 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
751 return;
752 }
753
754 if (subtag == 0)
755 hdmi_intrinsic_event(codec, res);
756 else
757 hdmi_non_intrinsic_event(codec, res);
758}
759
760/*
761 * Callbacks
762 */
763
764/* HBR should be Non-PCM, 8 channels */
765#define is_hbr_format(format) \
766 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
767
768static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
769 hda_nid_t pin_nid, u32 stream_tag, int format)
770{
771 int pinctl;
772 int new_pinctl = 0;
773
774 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
775 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
776 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
777
778 new_pinctl = pinctl & ~AC_PINCTL_EPT;
779 if (is_hbr_format(format))
780 new_pinctl |= AC_PINCTL_EPT_HBR;
781 else
782 new_pinctl |= AC_PINCTL_EPT_NATIVE;
783
784 snd_printdd("hdmi_setup_stream: "
785 "NID=0x%x, %spinctl=0x%x\n",
786 pin_nid,
787 pinctl == new_pinctl ? "" : "new-",
788 new_pinctl);
789
790 if (pinctl != new_pinctl)
791 snd_hda_codec_write(codec, pin_nid, 0,
792 AC_VERB_SET_PIN_WIDGET_CONTROL,
793 new_pinctl);
794
795 }
796 if (is_hbr_format(format) && !new_pinctl) {
797 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
798 return -EINVAL;
799 }
800
801 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
802 return 0;
803}
804
805/*
806 * HDA PCM callbacks
807 */
808static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
809 struct hda_codec *codec,
810 struct snd_pcm_substream *substream)
811{
812 struct hdmi_spec *spec = codec->spec;
813 struct snd_pcm_runtime *runtime = substream->runtime;
814 int pin_idx, cvt_idx, mux_idx = 0;
815 struct hdmi_spec_per_pin *per_pin;
816 struct hdmi_eld *eld;
817 struct hdmi_spec_per_cvt *per_cvt = NULL;
818 int pinctl;
819
820 /* Validate hinfo */
821 pin_idx = hinfo_to_pin_index(spec, hinfo);
822 if (snd_BUG_ON(pin_idx < 0))
823 return -EINVAL;
824 per_pin = &spec->pins[pin_idx];
825 eld = &per_pin->sink_eld;
826
827 /* Dynamically assign converter to stream */
828 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
829 per_cvt = &spec->cvts[cvt_idx];
830
831 /* Must not already be assigned */
832 if (per_cvt->assigned)
833 continue;
834 /* Must be in pin's mux's list of converters */
835 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
836 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
837 break;
838 /* Not in mux list */
839 if (mux_idx == per_pin->num_mux_nids)
840 continue;
841 break;
842 }
843 /* No free converters */
844 if (cvt_idx == spec->num_cvts)
845 return -ENODEV;
846
847 /* Claim converter */
848 per_cvt->assigned = 1;
849 hinfo->nid = per_cvt->cvt_nid;
850
851 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
852 AC_VERB_SET_CONNECT_SEL,
853 mux_idx);
854 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
855 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
856 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
857 AC_VERB_SET_PIN_WIDGET_CONTROL,
858 pinctl | PIN_OUT);
859 snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
860
861 /* Initially set the converter's capabilities */
862 hinfo->channels_min = per_cvt->channels_min;
863 hinfo->channels_max = per_cvt->channels_max;
864 hinfo->rates = per_cvt->rates;
865 hinfo->formats = per_cvt->formats;
866 hinfo->maxbps = per_cvt->maxbps;
867
868 /* Restrict capabilities by ELD if this isn't disabled */
869 if (!static_hdmi_pcm && eld->eld_valid) {
870 snd_hdmi_eld_update_pcm_info(eld, hinfo);
871 if (hinfo->channels_min > hinfo->channels_max ||
872 !hinfo->rates || !hinfo->formats)
873 return -ENODEV;
874 }
875
876 /* Store the updated parameters */
877 runtime->hw.channels_min = hinfo->channels_min;
878 runtime->hw.channels_max = hinfo->channels_max;
879 runtime->hw.formats = hinfo->formats;
880 runtime->hw.rates = hinfo->rates;
881
882 snd_pcm_hw_constraint_step(substream->runtime, 0,
883 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
884 return 0;
885}
886
887/*
888 * HDA/HDMI auto parsing
889 */
890static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
891{
892 struct hdmi_spec *spec = codec->spec;
893 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
894 hda_nid_t pin_nid = per_pin->pin_nid;
895
896 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
897 snd_printk(KERN_WARNING
898 "HDMI: pin %d wcaps %#x "
899 "does not support connection list\n",
900 pin_nid, get_wcaps(codec, pin_nid));
901 return -EINVAL;
902 }
903
904 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
905 per_pin->mux_nids,
906 HDA_MAX_CONNECTIONS);
907
908 return 0;
909}
910
911static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
912 struct hdmi_eld *eld)
913{
914 /*
915 * Always execute a GetPinSense verb here, even when called from
916 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
917 * response's PD bit is not the real PD value, but indicates that
918 * the real PD value changed. An older version of the HD-audio
919 * specification worked this way. Hence, we just ignore the data in
920 * the unsolicited response to avoid custom WARs.
921 */
922 int present = snd_hda_pin_sense(codec, pin_nid);
923
924 memset(eld, 0, sizeof(*eld));
925
926 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
927 if (eld->monitor_present)
928 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
929 else
930 eld->eld_valid = 0;
931
932 printk(KERN_INFO
933 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
934 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
935
936 if (eld->eld_valid)
937 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
938 snd_hdmi_show_eld(eld);
939
940 snd_hda_input_jack_report(codec, pin_nid);
941}
942
943static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
944{
945 struct hdmi_spec *spec = codec->spec;
946 unsigned int caps, config;
947 int pin_idx;
948 struct hdmi_spec_per_pin *per_pin;
949 struct hdmi_eld *eld;
950 int err;
951
952 caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
953 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
954 return 0;
955
956 config = snd_hda_codec_read(codec, pin_nid, 0,
957 AC_VERB_GET_CONFIG_DEFAULT, 0);
958 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
959 return 0;
960
961 if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
962 return -E2BIG;
963
964 pin_idx = spec->num_pins;
965 per_pin = &spec->pins[pin_idx];
966 eld = &per_pin->sink_eld;
967
968 per_pin->pin_nid = pin_nid;
969
970 err = snd_hda_input_jack_add(codec, pin_nid,
971 SND_JACK_VIDEOOUT, NULL);
972 if (err < 0)
973 return err;
974
975 err = hdmi_read_pin_conn(codec, pin_idx);
976 if (err < 0)
977 return err;
978
979 spec->num_pins++;
980
981 hdmi_present_sense(codec, pin_nid, eld);
982
983 return 0;
984}
985
986static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
987{
988 struct hdmi_spec *spec = codec->spec;
989 int cvt_idx;
990 struct hdmi_spec_per_cvt *per_cvt;
991 unsigned int chans;
992 int err;
993
994 if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
995 return -E2BIG;
996
997 chans = get_wcaps(codec, cvt_nid);
998 chans = get_wcaps_channels(chans);
999
1000 cvt_idx = spec->num_cvts;
1001 per_cvt = &spec->cvts[cvt_idx];
1002
1003 per_cvt->cvt_nid = cvt_nid;
1004 per_cvt->channels_min = 2;
1005 if (chans <= 16)
1006 per_cvt->channels_max = chans;
1007
1008 err = snd_hda_query_supported_pcm(codec, cvt_nid,
1009 &per_cvt->rates,
1010 &per_cvt->formats,
1011 &per_cvt->maxbps);
1012 if (err < 0)
1013 return err;
1014
1015 spec->num_cvts++;
1016
1017 return 0;
1018}
1019
1020static int hdmi_parse_codec(struct hda_codec *codec)
1021{
1022 hda_nid_t nid;
1023 int i, nodes;
1024
1025 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1026 if (!nid || nodes < 0) {
1027 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1028 return -EINVAL;
1029 }
1030
1031 for (i = 0; i < nodes; i++, nid++) {
1032 unsigned int caps;
1033 unsigned int type;
1034
1035 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1036 type = get_wcaps_type(caps);
1037
1038 if (!(caps & AC_WCAP_DIGITAL))
1039 continue;
1040
1041 switch (type) {
1042 case AC_WID_AUD_OUT:
1043 hdmi_add_cvt(codec, nid);
1044 break;
1045 case AC_WID_PIN:
1046 hdmi_add_pin(codec, nid);
1047 break;
1048 }
1049 }
1050
1051 /*
1052 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1053 * can be lost and presence sense verb will become inaccurate if the
1054 * HDA link is powered off at hot plug or hw initialization time.
1055 */
1056#ifdef CONFIG_SND_HDA_POWER_SAVE
1057 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1058 AC_PWRST_EPSS))
1059 codec->bus->power_keep_link_on = 1;
1060#endif
1061
1062 return 0;
1063}
1064
1065/*
1066 */
1067static char *generic_hdmi_pcm_names[MAX_HDMI_PINS] = {
1068 "HDMI 0",
1069 "HDMI 1",
1070 "HDMI 2",
1071 "HDMI 3",
1072};
1073
1074/*
1075 * HDMI callbacks
1076 */
1077
1078static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1079 struct hda_codec *codec,
1080 unsigned int stream_tag,
1081 unsigned int format,
1082 struct snd_pcm_substream *substream)
1083{
1084 hda_nid_t cvt_nid = hinfo->nid;
1085 struct hdmi_spec *spec = codec->spec;
1086 int pin_idx = hinfo_to_pin_index(spec, hinfo);
1087 hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1088
1089 hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1090
1091 hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1092
1093 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1094}
1095
1096static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1097 struct hda_codec *codec,
1098 struct snd_pcm_substream *substream)
1099{
1100 struct hdmi_spec *spec = codec->spec;
1101 int cvt_idx, pin_idx;
1102 struct hdmi_spec_per_cvt *per_cvt;
1103 struct hdmi_spec_per_pin *per_pin;
1104 int pinctl;
1105
1106 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1107
1108 if (hinfo->nid) {
1109 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1110 if (snd_BUG_ON(cvt_idx < 0))
1111 return -EINVAL;
1112 per_cvt = &spec->cvts[cvt_idx];
1113
1114 snd_BUG_ON(!per_cvt->assigned);
1115 per_cvt->assigned = 0;
1116 hinfo->nid = 0;
1117
1118 pin_idx = hinfo_to_pin_index(spec, hinfo);
1119 if (snd_BUG_ON(pin_idx < 0))
1120 return -EINVAL;
1121 per_pin = &spec->pins[pin_idx];
1122
1123 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1124 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1125 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1126 AC_VERB_SET_PIN_WIDGET_CONTROL,
1127 pinctl & ~PIN_OUT);
1128 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1129 }
1130
1131 return 0;
1132}
1133
1134static const struct hda_pcm_ops generic_ops = {
1135 .open = hdmi_pcm_open,
1136 .prepare = generic_hdmi_playback_pcm_prepare,
1137 .cleanup = generic_hdmi_playback_pcm_cleanup,
1138};
1139
1140static int generic_hdmi_build_pcms(struct hda_codec *codec)
1141{
1142 struct hdmi_spec *spec = codec->spec;
1143 int pin_idx;
1144
1145 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1146 struct hda_pcm *info;
1147 struct hda_pcm_stream *pstr;
1148
1149 info = &spec->pcm_rec[pin_idx];
1150 info->name = generic_hdmi_pcm_names[pin_idx];
1151 info->pcm_type = HDA_PCM_TYPE_HDMI;
1152
1153 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1154 pstr->substreams = 1;
1155 pstr->ops = generic_ops;
1156 /* other pstr fields are set in open */
1157 }
1158
1159 codec->num_pcms = spec->num_pins;
1160 codec->pcm_info = spec->pcm_rec;
1161
1162 return 0;
1163}
1164
1165static int generic_hdmi_build_controls(struct hda_codec *codec)
1166{
1167 struct hdmi_spec *spec = codec->spec;
1168 int err;
1169 int pin_idx;
1170
1171 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1172 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1173 err = snd_hda_create_spdif_out_ctls(codec,
1174 per_pin->pin_nid,
1175 per_pin->mux_nids[0]);
1176 if (err < 0)
1177 return err;
1178 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1179 }
1180
1181 return 0;
1182}
1183
1184static int generic_hdmi_init(struct hda_codec *codec)
1185{
1186 struct hdmi_spec *spec = codec->spec;
1187 int pin_idx;
1188
1189 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1190 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1191 hda_nid_t pin_nid = per_pin->pin_nid;
1192 struct hdmi_eld *eld = &per_pin->sink_eld;
1193
1194 hdmi_init_pin(codec, pin_nid);
1195 snd_hda_codec_write(codec, pin_nid, 0,
1196 AC_VERB_SET_UNSOLICITED_ENABLE,
1197 AC_USRSP_EN | pin_nid);
1198
1199 snd_hda_eld_proc_new(codec, eld, pin_idx);
1200 }
1201 return 0;
1202}
1203
1204static void generic_hdmi_free(struct hda_codec *codec)
1205{
1206 struct hdmi_spec *spec = codec->spec;
1207 int pin_idx;
1208
1209 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1210 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1211 struct hdmi_eld *eld = &per_pin->sink_eld;
1212
1213 snd_hda_eld_proc_free(codec, eld);
1214 }
1215 snd_hda_input_jack_free(codec);
1216
1217 kfree(spec);
1218}
1219
1220static const struct hda_codec_ops generic_hdmi_patch_ops = {
1221 .init = generic_hdmi_init,
1222 .free = generic_hdmi_free,
1223 .build_pcms = generic_hdmi_build_pcms,
1224 .build_controls = generic_hdmi_build_controls,
1225 .unsol_event = hdmi_unsol_event,
1226};
1227
1228static int patch_generic_hdmi(struct hda_codec *codec)
1229{
1230 struct hdmi_spec *spec;
1231
1232 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1233 if (spec == NULL)
1234 return -ENOMEM;
1235
1236 codec->spec = spec;
1237 if (hdmi_parse_codec(codec) < 0) {
1238 codec->spec = NULL;
1239 kfree(spec);
1240 return -EINVAL;
1241 }
1242 codec->patch_ops = generic_hdmi_patch_ops;
1243
1244 init_channel_allocations();
1245
1246 return 0;
1247}
1248
1249/*
1250 * Shared non-generic implementations
1251 */
1252
1253static int simple_playback_build_pcms(struct hda_codec *codec)
1254{
1255 struct hdmi_spec *spec = codec->spec;
1256 struct hda_pcm *info = spec->pcm_rec;
1257 int i;
1258
1259 codec->num_pcms = spec->num_cvts;
1260 codec->pcm_info = info;
1261
1262 for (i = 0; i < codec->num_pcms; i++, info++) {
1263 unsigned int chans;
1264 struct hda_pcm_stream *pstr;
1265
1266 chans = get_wcaps(codec, spec->cvts[i].cvt_nid);
1267 chans = get_wcaps_channels(chans);
1268
1269 info->name = generic_hdmi_pcm_names[i];
1270 info->pcm_type = HDA_PCM_TYPE_HDMI;
1271 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1272 snd_BUG_ON(!spec->pcm_playback);
1273 *pstr = *spec->pcm_playback;
1274 pstr->nid = spec->cvts[i].cvt_nid;
1275 if (pstr->channels_max <= 2 && chans && chans <= 16)
1276 pstr->channels_max = chans;
1277 }
1278
1279 return 0;
1280}
1281
1282static int simple_playback_build_controls(struct hda_codec *codec)
1283{
1284 struct hdmi_spec *spec = codec->spec;
1285 int err;
1286 int i;
1287
1288 for (i = 0; i < codec->num_pcms; i++) {
1289 err = snd_hda_create_spdif_out_ctls(codec,
1290 spec->cvts[i].cvt_nid,
1291 spec->cvts[i].cvt_nid);
1292 if (err < 0)
1293 return err;
1294 }
1295
1296 return 0;
1297}
1298
1299static void simple_playback_free(struct hda_codec *codec)
1300{
1301 struct hdmi_spec *spec = codec->spec;
1302
1303 kfree(spec);
1304}
1305
1306/*
1307 * Nvidia specific implementations
1308 */
1309
1310#define Nv_VERB_SET_Channel_Allocation 0xF79
1311#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
1312#define Nv_VERB_SET_Audio_Protection_On 0xF98
1313#define Nv_VERB_SET_Audio_Protection_Off 0xF99
1314
1315#define nvhdmi_master_con_nid_7x 0x04
1316#define nvhdmi_master_pin_nid_7x 0x05
1317
1318static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1319 /*front, rear, clfe, rear_surr */
1320 0x6, 0x8, 0xa, 0xc,
1321};
1322
1323static const struct hda_verb nvhdmi_basic_init_7x[] = {
1324 /* set audio protect on */
1325 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1326 /* enable digital output on pin widget */
1327 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1328 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1329 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1330 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1331 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1332 {} /* terminator */
1333};
1334
1335#ifdef LIMITED_RATE_FMT_SUPPORT
1336/* support only the safe format and rate */
1337#define SUPPORTED_RATES SNDRV_PCM_RATE_48000
1338#define SUPPORTED_MAXBPS 16
1339#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
1340#else
1341/* support all rates and formats */
1342#define SUPPORTED_RATES \
1343 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1344 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1345 SNDRV_PCM_RATE_192000)
1346#define SUPPORTED_MAXBPS 24
1347#define SUPPORTED_FORMATS \
1348 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1349#endif
1350
1351static int nvhdmi_7x_init(struct hda_codec *codec)
1352{
1353 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1354 return 0;
1355}
1356
1357static unsigned int channels_2_6_8[] = {
1358 2, 6, 8
1359};
1360
1361static unsigned int channels_2_8[] = {
1362 2, 8
1363};
1364
1365static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1366 .count = ARRAY_SIZE(channels_2_6_8),
1367 .list = channels_2_6_8,
1368 .mask = 0,
1369};
1370
1371static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1372 .count = ARRAY_SIZE(channels_2_8),
1373 .list = channels_2_8,
1374 .mask = 0,
1375};
1376
1377static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1378 struct hda_codec *codec,
1379 struct snd_pcm_substream *substream)
1380{
1381 struct hdmi_spec *spec = codec->spec;
1382 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1383
1384 switch (codec->preset->id) {
1385 case 0x10de0002:
1386 case 0x10de0003:
1387 case 0x10de0005:
1388 case 0x10de0006:
1389 hw_constraints_channels = &hw_constraints_2_8_channels;
1390 break;
1391 case 0x10de0007:
1392 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1393 break;
1394 default:
1395 break;
1396 }
1397
1398 if (hw_constraints_channels != NULL) {
1399 snd_pcm_hw_constraint_list(substream->runtime, 0,
1400 SNDRV_PCM_HW_PARAM_CHANNELS,
1401 hw_constraints_channels);
1402 } else {
1403 snd_pcm_hw_constraint_step(substream->runtime, 0,
1404 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1405 }
1406
1407 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1408}
1409
1410static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1411 struct hda_codec *codec,
1412 struct snd_pcm_substream *substream)
1413{
1414 struct hdmi_spec *spec = codec->spec;
1415 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1416}
1417
1418static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1419 struct hda_codec *codec,
1420 unsigned int stream_tag,
1421 unsigned int format,
1422 struct snd_pcm_substream *substream)
1423{
1424 struct hdmi_spec *spec = codec->spec;
1425 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1426 stream_tag, format, substream);
1427}
1428
1429static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1430 int channels)
1431{
1432 unsigned int chanmask;
1433 int chan = channels ? (channels - 1) : 1;
1434
1435 switch (channels) {
1436 default:
1437 case 0:
1438 case 2:
1439 chanmask = 0x00;
1440 break;
1441 case 4:
1442 chanmask = 0x08;
1443 break;
1444 case 6:
1445 chanmask = 0x0b;
1446 break;
1447 case 8:
1448 chanmask = 0x13;
1449 break;
1450 }
1451
1452 /* Set the audio infoframe channel allocation and checksum fields. The
1453 * channel count is computed implicitly by the hardware. */
1454 snd_hda_codec_write(codec, 0x1, 0,
1455 Nv_VERB_SET_Channel_Allocation, chanmask);
1456
1457 snd_hda_codec_write(codec, 0x1, 0,
1458 Nv_VERB_SET_Info_Frame_Checksum,
1459 (0x71 - chan - chanmask));
1460}
1461
1462static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1463 struct hda_codec *codec,
1464 struct snd_pcm_substream *substream)
1465{
1466 struct hdmi_spec *spec = codec->spec;
1467 int i;
1468
1469 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1470 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1471 for (i = 0; i < 4; i++) {
1472 /* set the stream id */
1473 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1474 AC_VERB_SET_CHANNEL_STREAMID, 0);
1475 /* set the stream format */
1476 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1477 AC_VERB_SET_STREAM_FORMAT, 0);
1478 }
1479
1480 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1481 * streams are disabled. */
1482 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1483
1484 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1485}
1486
1487static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1488 struct hda_codec *codec,
1489 unsigned int stream_tag,
1490 unsigned int format,
1491 struct snd_pcm_substream *substream)
1492{
1493 int chs;
1494 unsigned int dataDCC1, dataDCC2, channel_id;
1495 int i;
1496 struct hdmi_spec *spec = codec->spec;
1497 struct hda_spdif_out *spdif =
1498 snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1499
1500 mutex_lock(&codec->spdif_mutex);
1501
1502 chs = substream->runtime->channels;
1503
1504 dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
1505 dataDCC2 = 0x2;
1506
1507 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1508 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1509 snd_hda_codec_write(codec,
1510 nvhdmi_master_con_nid_7x,
1511 0,
1512 AC_VERB_SET_DIGI_CONVERT_1,
1513 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1514
1515 /* set the stream id */
1516 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1517 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1518
1519 /* set the stream format */
1520 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1521 AC_VERB_SET_STREAM_FORMAT, format);
1522
1523 /* turn on again (if needed) */
1524 /* enable and set the channel status audio/data flag */
1525 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1526 snd_hda_codec_write(codec,
1527 nvhdmi_master_con_nid_7x,
1528 0,
1529 AC_VERB_SET_DIGI_CONVERT_1,
1530 spdif->ctls & 0xff);
1531 snd_hda_codec_write(codec,
1532 nvhdmi_master_con_nid_7x,
1533 0,
1534 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1535 }
1536
1537 for (i = 0; i < 4; i++) {
1538 if (chs == 2)
1539 channel_id = 0;
1540 else
1541 channel_id = i * 2;
1542
1543 /* turn off SPDIF once;
1544 *otherwise the IEC958 bits won't be updated
1545 */
1546 if (codec->spdif_status_reset &&
1547 (spdif->ctls & AC_DIG1_ENABLE))
1548 snd_hda_codec_write(codec,
1549 nvhdmi_con_nids_7x[i],
1550 0,
1551 AC_VERB_SET_DIGI_CONVERT_1,
1552 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1553 /* set the stream id */
1554 snd_hda_codec_write(codec,
1555 nvhdmi_con_nids_7x[i],
1556 0,
1557 AC_VERB_SET_CHANNEL_STREAMID,
1558 (stream_tag << 4) | channel_id);
1559 /* set the stream format */
1560 snd_hda_codec_write(codec,
1561 nvhdmi_con_nids_7x[i],
1562 0,
1563 AC_VERB_SET_STREAM_FORMAT,
1564 format);
1565 /* turn on again (if needed) */
1566 /* enable and set the channel status audio/data flag */
1567 if (codec->spdif_status_reset &&
1568 (spdif->ctls & AC_DIG1_ENABLE)) {
1569 snd_hda_codec_write(codec,
1570 nvhdmi_con_nids_7x[i],
1571 0,
1572 AC_VERB_SET_DIGI_CONVERT_1,
1573 spdif->ctls & 0xff);
1574 snd_hda_codec_write(codec,
1575 nvhdmi_con_nids_7x[i],
1576 0,
1577 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1578 }
1579 }
1580
1581 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1582
1583 mutex_unlock(&codec->spdif_mutex);
1584 return 0;
1585}
1586
1587static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1588 .substreams = 1,
1589 .channels_min = 2,
1590 .channels_max = 8,
1591 .nid = nvhdmi_master_con_nid_7x,
1592 .rates = SUPPORTED_RATES,
1593 .maxbps = SUPPORTED_MAXBPS,
1594 .formats = SUPPORTED_FORMATS,
1595 .ops = {
1596 .open = simple_playback_pcm_open,
1597 .close = nvhdmi_8ch_7x_pcm_close,
1598 .prepare = nvhdmi_8ch_7x_pcm_prepare
1599 },
1600};
1601
1602static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1603 .substreams = 1,
1604 .channels_min = 2,
1605 .channels_max = 2,
1606 .nid = nvhdmi_master_con_nid_7x,
1607 .rates = SUPPORTED_RATES,
1608 .maxbps = SUPPORTED_MAXBPS,
1609 .formats = SUPPORTED_FORMATS,
1610 .ops = {
1611 .open = simple_playback_pcm_open,
1612 .close = simple_playback_pcm_close,
1613 .prepare = simple_playback_pcm_prepare
1614 },
1615};
1616
1617static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1618 .build_controls = simple_playback_build_controls,
1619 .build_pcms = simple_playback_build_pcms,
1620 .init = nvhdmi_7x_init,
1621 .free = simple_playback_free,
1622};
1623
1624static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1625 .build_controls = simple_playback_build_controls,
1626 .build_pcms = simple_playback_build_pcms,
1627 .init = nvhdmi_7x_init,
1628 .free = simple_playback_free,
1629};
1630
1631static int patch_nvhdmi_2ch(struct hda_codec *codec)
1632{
1633 struct hdmi_spec *spec;
1634
1635 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1636 if (spec == NULL)
1637 return -ENOMEM;
1638
1639 codec->spec = spec;
1640
1641 spec->multiout.num_dacs = 0; /* no analog */
1642 spec->multiout.max_channels = 2;
1643 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1644 spec->num_cvts = 1;
1645 spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x;
1646 spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1647
1648 codec->patch_ops = nvhdmi_patch_ops_2ch;
1649
1650 return 0;
1651}
1652
1653static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1654{
1655 struct hdmi_spec *spec;
1656 int err = patch_nvhdmi_2ch(codec);
1657
1658 if (err < 0)
1659 return err;
1660 spec = codec->spec;
1661 spec->multiout.max_channels = 8;
1662 spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1663 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1664
1665 /* Initialize the audio infoframe channel mask and checksum to something
1666 * valid */
1667 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1668
1669 return 0;
1670}
1671
1672/*
1673 * ATI-specific implementations
1674 *
1675 * FIXME: we may omit the whole this and use the generic code once after
1676 * it's confirmed to work.
1677 */
1678
1679#define ATIHDMI_CVT_NID 0x02 /* audio converter */
1680#define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
1681
1682static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1683 struct hda_codec *codec,
1684 unsigned int stream_tag,
1685 unsigned int format,
1686 struct snd_pcm_substream *substream)
1687{
1688 struct hdmi_spec *spec = codec->spec;
1689 int chans = substream->runtime->channels;
1690 int i, err;
1691
1692 err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1693 substream);
1694 if (err < 0)
1695 return err;
1696 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1697 AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1698 /* FIXME: XXX */
1699 for (i = 0; i < chans; i++) {
1700 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1701 AC_VERB_SET_HDMI_CHAN_SLOT,
1702 (i << 4) | i);
1703 }
1704 return 0;
1705}
1706
1707static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1708 .substreams = 1,
1709 .channels_min = 2,
1710 .channels_max = 2,
1711 .nid = ATIHDMI_CVT_NID,
1712 .ops = {
1713 .open = simple_playback_pcm_open,
1714 .close = simple_playback_pcm_close,
1715 .prepare = atihdmi_playback_pcm_prepare
1716 },
1717};
1718
1719static const struct hda_verb atihdmi_basic_init[] = {
1720 /* enable digital output on pin widget */
1721 { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1722 {} /* terminator */
1723};
1724
1725static int atihdmi_init(struct hda_codec *codec)
1726{
1727 struct hdmi_spec *spec = codec->spec;
1728
1729 snd_hda_sequence_write(codec, atihdmi_basic_init);
1730 /* SI codec requires to unmute the pin */
1731 if (get_wcaps(codec, spec->pins[0].pin_nid) & AC_WCAP_OUT_AMP)
1732 snd_hda_codec_write(codec, spec->pins[0].pin_nid, 0,
1733 AC_VERB_SET_AMP_GAIN_MUTE,
1734 AMP_OUT_UNMUTE);
1735 return 0;
1736}
1737
1738static const struct hda_codec_ops atihdmi_patch_ops = {
1739 .build_controls = simple_playback_build_controls,
1740 .build_pcms = simple_playback_build_pcms,
1741 .init = atihdmi_init,
1742 .free = simple_playback_free,
1743};
1744
1745
1746static int patch_atihdmi(struct hda_codec *codec)
1747{
1748 struct hdmi_spec *spec;
1749
1750 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1751 if (spec == NULL)
1752 return -ENOMEM;
1753
1754 codec->spec = spec;
1755
1756 spec->multiout.num_dacs = 0; /* no analog */
1757 spec->multiout.max_channels = 2;
1758 spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1759 spec->num_cvts = 1;
1760 spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID;
1761 spec->pins[0].pin_nid = ATIHDMI_PIN_NID;
1762 spec->pcm_playback = &atihdmi_pcm_digital_playback;
1763
1764 codec->patch_ops = atihdmi_patch_ops;
1765
1766 return 0;
1767}
1768
1769
1770/*
1771 * patch entries
1772 */
1773static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1774{ .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
1775{ .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
1776{ .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
1777{ .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_generic_hdmi },
1778{ .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
1779{ .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
1780{ .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
1781{ .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1782{ .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1783{ .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1784{ .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1785{ .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
1786{ .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_generic_hdmi },
1787{ .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi },
1788{ .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi },
1789{ .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi },
1790{ .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi },
1791{ .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi },
1792{ .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi },
1793{ .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi },
1794{ .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi },
1795{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi },
1796{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi },
1797/* 17 is known to be absent */
1798{ .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi },
1799{ .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi },
1800{ .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi },
1801{ .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi },
1802{ .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi },
1803{ .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi },
1804{ .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi },
1805{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi },
1806{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi },
1807{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi },
1808{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
1809{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
1810{ .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1811{ .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
1812{ .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
1813{ .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
1814{ .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1815{ .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1816{ .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1817{ .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
1818{} /* terminator */
1819};
1820
1821MODULE_ALIAS("snd-hda-codec-id:1002793c");
1822MODULE_ALIAS("snd-hda-codec-id:10027919");
1823MODULE_ALIAS("snd-hda-codec-id:1002791a");
1824MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1825MODULE_ALIAS("snd-hda-codec-id:10951390");
1826MODULE_ALIAS("snd-hda-codec-id:10951392");
1827MODULE_ALIAS("snd-hda-codec-id:10de0002");
1828MODULE_ALIAS("snd-hda-codec-id:10de0003");
1829MODULE_ALIAS("snd-hda-codec-id:10de0005");
1830MODULE_ALIAS("snd-hda-codec-id:10de0006");
1831MODULE_ALIAS("snd-hda-codec-id:10de0007");
1832MODULE_ALIAS("snd-hda-codec-id:10de000a");
1833MODULE_ALIAS("snd-hda-codec-id:10de000b");
1834MODULE_ALIAS("snd-hda-codec-id:10de000c");
1835MODULE_ALIAS("snd-hda-codec-id:10de000d");
1836MODULE_ALIAS("snd-hda-codec-id:10de0010");
1837MODULE_ALIAS("snd-hda-codec-id:10de0011");
1838MODULE_ALIAS("snd-hda-codec-id:10de0012");
1839MODULE_ALIAS("snd-hda-codec-id:10de0013");
1840MODULE_ALIAS("snd-hda-codec-id:10de0014");
1841MODULE_ALIAS("snd-hda-codec-id:10de0015");
1842MODULE_ALIAS("snd-hda-codec-id:10de0016");
1843MODULE_ALIAS("snd-hda-codec-id:10de0018");
1844MODULE_ALIAS("snd-hda-codec-id:10de0019");
1845MODULE_ALIAS("snd-hda-codec-id:10de001a");
1846MODULE_ALIAS("snd-hda-codec-id:10de001b");
1847MODULE_ALIAS("snd-hda-codec-id:10de001c");
1848MODULE_ALIAS("snd-hda-codec-id:10de0040");
1849MODULE_ALIAS("snd-hda-codec-id:10de0041");
1850MODULE_ALIAS("snd-hda-codec-id:10de0042");
1851MODULE_ALIAS("snd-hda-codec-id:10de0043");
1852MODULE_ALIAS("snd-hda-codec-id:10de0044");
1853MODULE_ALIAS("snd-hda-codec-id:10de0067");
1854MODULE_ALIAS("snd-hda-codec-id:10de8001");
1855MODULE_ALIAS("snd-hda-codec-id:17e80047");
1856MODULE_ALIAS("snd-hda-codec-id:80860054");
1857MODULE_ALIAS("snd-hda-codec-id:80862801");
1858MODULE_ALIAS("snd-hda-codec-id:80862802");
1859MODULE_ALIAS("snd-hda-codec-id:80862803");
1860MODULE_ALIAS("snd-hda-codec-id:80862804");
1861MODULE_ALIAS("snd-hda-codec-id:80862805");
1862MODULE_ALIAS("snd-hda-codec-id:80862806");
1863MODULE_ALIAS("snd-hda-codec-id:808629fb");
1864
1865MODULE_LICENSE("GPL");
1866MODULE_DESCRIPTION("HDMI HD-audio codec");
1867MODULE_ALIAS("snd-hda-codec-intelhdmi");
1868MODULE_ALIAS("snd-hda-codec-nvhdmi");
1869MODULE_ALIAS("snd-hda-codec-atihdmi");
1870
1871static struct hda_codec_preset_list intel_list = {
1872 .preset = snd_hda_preset_hdmi,
1873 .owner = THIS_MODULE,
1874};
1875
1876static int __init patch_hdmi_init(void)
1877{
1878 return snd_hda_add_codec_preset(&intel_list);
1879}
1880
1881static void __exit patch_hdmi_exit(void)
1882{
1883 snd_hda_delete_codec_preset(&intel_list);
1884}
1885
1886module_init(patch_hdmi_init)
1887module_exit(patch_hdmi_exit)
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 * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
10 *
11 * Authors:
12 * Wu Fengguang <wfg@linux.intel.com>
13 *
14 * Maintained by:
15 * Wu Fengguang <wfg@linux.intel.com>
16 *
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the Free
19 * Software Foundation; either version 2 of the License, or (at your option)
20 * any later version.
21 *
22 * This program is distributed in the hope that it will be useful, but
23 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
25 * for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software Foundation,
29 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32#include <linux/init.h>
33#include <linux/delay.h>
34#include <linux/slab.h>
35#include <linux/module.h>
36#include <sound/core.h>
37#include <sound/jack.h>
38#include <sound/asoundef.h>
39#include <sound/tlv.h>
40#include <sound/hdaudio.h>
41#include <sound/hda_i915.h>
42#include <sound/hda_chmap.h>
43#include "hda_codec.h"
44#include "hda_local.h"
45#include "hda_jack.h"
46
47static bool static_hdmi_pcm;
48module_param(static_hdmi_pcm, bool, 0644);
49MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
50
51#define is_haswell(codec) ((codec)->core.vendor_id == 0x80862807)
52#define is_broadwell(codec) ((codec)->core.vendor_id == 0x80862808)
53#define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
54#define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
55#define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
56#define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
57 || is_skylake(codec) || is_broxton(codec) \
58 || is_kabylake(codec))
59
60#define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
61#define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
62#define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
63
64struct hdmi_spec_per_cvt {
65 hda_nid_t cvt_nid;
66 int assigned;
67 unsigned int channels_min;
68 unsigned int channels_max;
69 u32 rates;
70 u64 formats;
71 unsigned int maxbps;
72};
73
74/* max. connections to a widget */
75#define HDA_MAX_CONNECTIONS 32
76
77struct hdmi_spec_per_pin {
78 hda_nid_t pin_nid;
79 /* pin idx, different device entries on the same pin use the same idx */
80 int pin_nid_idx;
81 int num_mux_nids;
82 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
83 int mux_idx;
84 hda_nid_t cvt_nid;
85
86 struct hda_codec *codec;
87 struct hdmi_eld sink_eld;
88 struct mutex lock;
89 struct delayed_work work;
90 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
91 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
92 int repoll_count;
93 bool setup; /* the stream has been set up by prepare callback */
94 int channels; /* current number of channels */
95 bool non_pcm;
96 bool chmap_set; /* channel-map override by ALSA API? */
97 unsigned char chmap[8]; /* ALSA API channel-map */
98#ifdef CONFIG_SND_PROC_FS
99 struct snd_info_entry *proc_entry;
100#endif
101};
102
103/* operations used by generic code that can be overridden by patches */
104struct hdmi_ops {
105 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
106 unsigned char *buf, int *eld_size);
107
108 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
109 int ca, int active_channels, int conn_type);
110
111 /* enable/disable HBR (HD passthrough) */
112 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
113
114 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
115 hda_nid_t pin_nid, u32 stream_tag, int format);
116
117};
118
119struct hdmi_pcm {
120 struct hda_pcm *pcm;
121 struct snd_jack *jack;
122 struct snd_kcontrol *eld_ctl;
123};
124
125struct hdmi_spec {
126 int num_cvts;
127 struct snd_array cvts; /* struct hdmi_spec_per_cvt */
128 hda_nid_t cvt_nids[4]; /* only for haswell fix */
129
130 int num_pins;
131 struct snd_array pins; /* struct hdmi_spec_per_pin */
132 struct hdmi_pcm pcm_rec[16];
133 struct mutex pcm_lock;
134 /* pcm_bitmap means which pcms have been assigned to pins*/
135 unsigned long pcm_bitmap;
136 int pcm_used; /* counter of pcm_rec[] */
137 /* bitmap shows whether the pcm is opened in user space
138 * bit 0 means the first playback PCM (PCM3);
139 * bit 1 means the second playback PCM, and so on.
140 */
141 unsigned long pcm_in_use;
142
143 struct hdmi_eld temp_eld;
144 struct hdmi_ops ops;
145
146 bool dyn_pin_out;
147 bool dyn_pcm_assign;
148 /*
149 * Non-generic VIA/NVIDIA specific
150 */
151 struct hda_multi_out multiout;
152 struct hda_pcm_stream pcm_playback;
153
154 /* i915/powerwell (Haswell+/Valleyview+) specific */
155 bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
156 struct i915_audio_component_audio_ops i915_audio_ops;
157 bool i915_bound; /* was i915 bound in this driver? */
158
159 struct hdac_chmap chmap;
160};
161
162#ifdef CONFIG_SND_HDA_I915
163static inline bool codec_has_acomp(struct hda_codec *codec)
164{
165 struct hdmi_spec *spec = codec->spec;
166 return spec->use_acomp_notifier;
167}
168#else
169#define codec_has_acomp(codec) false
170#endif
171
172struct hdmi_audio_infoframe {
173 u8 type; /* 0x84 */
174 u8 ver; /* 0x01 */
175 u8 len; /* 0x0a */
176
177 u8 checksum;
178
179 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
180 u8 SS01_SF24;
181 u8 CXT04;
182 u8 CA;
183 u8 LFEPBL01_LSV36_DM_INH7;
184};
185
186struct dp_audio_infoframe {
187 u8 type; /* 0x84 */
188 u8 len; /* 0x1b */
189 u8 ver; /* 0x11 << 2 */
190
191 u8 CC02_CT47; /* match with HDMI infoframe from this on */
192 u8 SS01_SF24;
193 u8 CXT04;
194 u8 CA;
195 u8 LFEPBL01_LSV36_DM_INH7;
196};
197
198union audio_infoframe {
199 struct hdmi_audio_infoframe hdmi;
200 struct dp_audio_infoframe dp;
201 u8 bytes[0];
202};
203
204/*
205 * HDMI routines
206 */
207
208#define get_pin(spec, idx) \
209 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
210#define get_cvt(spec, idx) \
211 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx))
212/* obtain hdmi_pcm object assigned to idx */
213#define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
214/* obtain hda_pcm object assigned to idx */
215#define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm)
216
217static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
218{
219 struct hdmi_spec *spec = codec->spec;
220 int pin_idx;
221
222 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
223 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
224 return pin_idx;
225
226 codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
227 return -EINVAL;
228}
229
230static int hinfo_to_pcm_index(struct hda_codec *codec,
231 struct hda_pcm_stream *hinfo)
232{
233 struct hdmi_spec *spec = codec->spec;
234 int pcm_idx;
235
236 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
237 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
238 return pcm_idx;
239
240 codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
241 return -EINVAL;
242}
243
244static int hinfo_to_pin_index(struct hda_codec *codec,
245 struct hda_pcm_stream *hinfo)
246{
247 struct hdmi_spec *spec = codec->spec;
248 struct hdmi_spec_per_pin *per_pin;
249 int pin_idx;
250
251 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
252 per_pin = get_pin(spec, pin_idx);
253 if (per_pin->pcm &&
254 per_pin->pcm->pcm->stream == hinfo)
255 return pin_idx;
256 }
257
258 codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
259 return -EINVAL;
260}
261
262static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
263 int pcm_idx)
264{
265 int i;
266 struct hdmi_spec_per_pin *per_pin;
267
268 for (i = 0; i < spec->num_pins; i++) {
269 per_pin = get_pin(spec, i);
270 if (per_pin->pcm_idx == pcm_idx)
271 return per_pin;
272 }
273 return NULL;
274}
275
276static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
277{
278 struct hdmi_spec *spec = codec->spec;
279 int cvt_idx;
280
281 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
282 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
283 return cvt_idx;
284
285 codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
286 return -EINVAL;
287}
288
289static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
290 struct snd_ctl_elem_info *uinfo)
291{
292 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
293 struct hdmi_spec *spec = codec->spec;
294 struct hdmi_spec_per_pin *per_pin;
295 struct hdmi_eld *eld;
296 int pcm_idx;
297
298 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
299
300 pcm_idx = kcontrol->private_value;
301 mutex_lock(&spec->pcm_lock);
302 per_pin = pcm_idx_to_pin(spec, pcm_idx);
303 if (!per_pin) {
304 /* no pin is bound to the pcm */
305 uinfo->count = 0;
306 mutex_unlock(&spec->pcm_lock);
307 return 0;
308 }
309 eld = &per_pin->sink_eld;
310 uinfo->count = eld->eld_valid ? eld->eld_size : 0;
311 mutex_unlock(&spec->pcm_lock);
312
313 return 0;
314}
315
316static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
317 struct snd_ctl_elem_value *ucontrol)
318{
319 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
320 struct hdmi_spec *spec = codec->spec;
321 struct hdmi_spec_per_pin *per_pin;
322 struct hdmi_eld *eld;
323 int pcm_idx;
324
325 pcm_idx = kcontrol->private_value;
326 mutex_lock(&spec->pcm_lock);
327 per_pin = pcm_idx_to_pin(spec, pcm_idx);
328 if (!per_pin) {
329 /* no pin is bound to the pcm */
330 memset(ucontrol->value.bytes.data, 0,
331 ARRAY_SIZE(ucontrol->value.bytes.data));
332 mutex_unlock(&spec->pcm_lock);
333 return 0;
334 }
335 eld = &per_pin->sink_eld;
336
337 if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
338 eld->eld_size > ELD_MAX_SIZE) {
339 mutex_unlock(&spec->pcm_lock);
340 snd_BUG();
341 return -EINVAL;
342 }
343
344 memset(ucontrol->value.bytes.data, 0,
345 ARRAY_SIZE(ucontrol->value.bytes.data));
346 if (eld->eld_valid)
347 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
348 eld->eld_size);
349 mutex_unlock(&spec->pcm_lock);
350
351 return 0;
352}
353
354static struct snd_kcontrol_new eld_bytes_ctl = {
355 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
356 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
357 .name = "ELD",
358 .info = hdmi_eld_ctl_info,
359 .get = hdmi_eld_ctl_get,
360};
361
362static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
363 int device)
364{
365 struct snd_kcontrol *kctl;
366 struct hdmi_spec *spec = codec->spec;
367 int err;
368
369 kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
370 if (!kctl)
371 return -ENOMEM;
372 kctl->private_value = pcm_idx;
373 kctl->id.device = device;
374
375 /* no pin nid is associated with the kctl now
376 * tbd: associate pin nid to eld ctl later
377 */
378 err = snd_hda_ctl_add(codec, 0, kctl);
379 if (err < 0)
380 return err;
381
382 get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
383 return 0;
384}
385
386#ifdef BE_PARANOID
387static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
388 int *packet_index, int *byte_index)
389{
390 int val;
391
392 val = snd_hda_codec_read(codec, pin_nid, 0,
393 AC_VERB_GET_HDMI_DIP_INDEX, 0);
394
395 *packet_index = val >> 5;
396 *byte_index = val & 0x1f;
397}
398#endif
399
400static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
401 int packet_index, int byte_index)
402{
403 int val;
404
405 val = (packet_index << 5) | (byte_index & 0x1f);
406
407 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
408}
409
410static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
411 unsigned char val)
412{
413 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
414}
415
416static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
417{
418 struct hdmi_spec *spec = codec->spec;
419 int pin_out;
420
421 /* Unmute */
422 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
423 snd_hda_codec_write(codec, pin_nid, 0,
424 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
425
426 if (spec->dyn_pin_out)
427 /* Disable pin out until stream is active */
428 pin_out = 0;
429 else
430 /* Enable pin out: some machines with GM965 gets broken output
431 * when the pin is disabled or changed while using with HDMI
432 */
433 pin_out = PIN_OUT;
434
435 snd_hda_codec_write(codec, pin_nid, 0,
436 AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
437}
438
439/*
440 * ELD proc files
441 */
442
443#ifdef CONFIG_SND_PROC_FS
444static void print_eld_info(struct snd_info_entry *entry,
445 struct snd_info_buffer *buffer)
446{
447 struct hdmi_spec_per_pin *per_pin = entry->private_data;
448
449 mutex_lock(&per_pin->lock);
450 snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
451 mutex_unlock(&per_pin->lock);
452}
453
454static void write_eld_info(struct snd_info_entry *entry,
455 struct snd_info_buffer *buffer)
456{
457 struct hdmi_spec_per_pin *per_pin = entry->private_data;
458
459 mutex_lock(&per_pin->lock);
460 snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
461 mutex_unlock(&per_pin->lock);
462}
463
464static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
465{
466 char name[32];
467 struct hda_codec *codec = per_pin->codec;
468 struct snd_info_entry *entry;
469 int err;
470
471 snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
472 err = snd_card_proc_new(codec->card, name, &entry);
473 if (err < 0)
474 return err;
475
476 snd_info_set_text_ops(entry, per_pin, print_eld_info);
477 entry->c.text.write = write_eld_info;
478 entry->mode |= S_IWUSR;
479 per_pin->proc_entry = entry;
480
481 return 0;
482}
483
484static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
485{
486 if (!per_pin->codec->bus->shutdown) {
487 snd_info_free_entry(per_pin->proc_entry);
488 per_pin->proc_entry = NULL;
489 }
490}
491#else
492static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
493 int index)
494{
495 return 0;
496}
497static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
498{
499}
500#endif
501
502/*
503 * Audio InfoFrame routines
504 */
505
506/*
507 * Enable Audio InfoFrame Transmission
508 */
509static void hdmi_start_infoframe_trans(struct hda_codec *codec,
510 hda_nid_t pin_nid)
511{
512 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
513 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
514 AC_DIPXMIT_BEST);
515}
516
517/*
518 * Disable Audio InfoFrame Transmission
519 */
520static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
521 hda_nid_t pin_nid)
522{
523 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
524 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
525 AC_DIPXMIT_DISABLE);
526}
527
528static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
529{
530#ifdef CONFIG_SND_DEBUG_VERBOSE
531 int i;
532 int size;
533
534 size = snd_hdmi_get_eld_size(codec, pin_nid);
535 codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
536
537 for (i = 0; i < 8; i++) {
538 size = snd_hda_codec_read(codec, pin_nid, 0,
539 AC_VERB_GET_HDMI_DIP_SIZE, i);
540 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
541 }
542#endif
543}
544
545static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
546{
547#ifdef BE_PARANOID
548 int i, j;
549 int size;
550 int pi, bi;
551 for (i = 0; i < 8; i++) {
552 size = snd_hda_codec_read(codec, pin_nid, 0,
553 AC_VERB_GET_HDMI_DIP_SIZE, i);
554 if (size == 0)
555 continue;
556
557 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
558 for (j = 1; j < 1000; j++) {
559 hdmi_write_dip_byte(codec, pin_nid, 0x0);
560 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
561 if (pi != i)
562 codec_dbg(codec, "dip index %d: %d != %d\n",
563 bi, pi, i);
564 if (bi == 0) /* byte index wrapped around */
565 break;
566 }
567 codec_dbg(codec,
568 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
569 i, size, j);
570 }
571#endif
572}
573
574static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
575{
576 u8 *bytes = (u8 *)hdmi_ai;
577 u8 sum = 0;
578 int i;
579
580 hdmi_ai->checksum = 0;
581
582 for (i = 0; i < sizeof(*hdmi_ai); i++)
583 sum += bytes[i];
584
585 hdmi_ai->checksum = -sum;
586}
587
588static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
589 hda_nid_t pin_nid,
590 u8 *dip, int size)
591{
592 int i;
593
594 hdmi_debug_dip_size(codec, pin_nid);
595 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
596
597 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
598 for (i = 0; i < size; i++)
599 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
600}
601
602static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
603 u8 *dip, int size)
604{
605 u8 val;
606 int i;
607
608 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
609 != AC_DIPXMIT_BEST)
610 return false;
611
612 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
613 for (i = 0; i < size; i++) {
614 val = snd_hda_codec_read(codec, pin_nid, 0,
615 AC_VERB_GET_HDMI_DIP_DATA, 0);
616 if (val != dip[i])
617 return false;
618 }
619
620 return true;
621}
622
623static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
624 hda_nid_t pin_nid,
625 int ca, int active_channels,
626 int conn_type)
627{
628 union audio_infoframe ai;
629
630 memset(&ai, 0, sizeof(ai));
631 if (conn_type == 0) { /* HDMI */
632 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
633
634 hdmi_ai->type = 0x84;
635 hdmi_ai->ver = 0x01;
636 hdmi_ai->len = 0x0a;
637 hdmi_ai->CC02_CT47 = active_channels - 1;
638 hdmi_ai->CA = ca;
639 hdmi_checksum_audio_infoframe(hdmi_ai);
640 } else if (conn_type == 1) { /* DisplayPort */
641 struct dp_audio_infoframe *dp_ai = &ai.dp;
642
643 dp_ai->type = 0x84;
644 dp_ai->len = 0x1b;
645 dp_ai->ver = 0x11 << 2;
646 dp_ai->CC02_CT47 = active_channels - 1;
647 dp_ai->CA = ca;
648 } else {
649 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
650 pin_nid);
651 return;
652 }
653
654 /*
655 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
656 * sizeof(*dp_ai) to avoid partial match/update problems when
657 * the user switches between HDMI/DP monitors.
658 */
659 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
660 sizeof(ai))) {
661 codec_dbg(codec,
662 "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
663 pin_nid,
664 active_channels, ca);
665 hdmi_stop_infoframe_trans(codec, pin_nid);
666 hdmi_fill_audio_infoframe(codec, pin_nid,
667 ai.bytes, sizeof(ai));
668 hdmi_start_infoframe_trans(codec, pin_nid);
669 }
670}
671
672static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
673 struct hdmi_spec_per_pin *per_pin,
674 bool non_pcm)
675{
676 struct hdmi_spec *spec = codec->spec;
677 struct hdac_chmap *chmap = &spec->chmap;
678 hda_nid_t pin_nid = per_pin->pin_nid;
679 int channels = per_pin->channels;
680 int active_channels;
681 struct hdmi_eld *eld;
682 int ca;
683
684 if (!channels)
685 return;
686
687 if (is_haswell_plus(codec))
688 snd_hda_codec_write(codec, pin_nid, 0,
689 AC_VERB_SET_AMP_GAIN_MUTE,
690 AMP_OUT_UNMUTE);
691
692 eld = &per_pin->sink_eld;
693
694 ca = snd_hdac_channel_allocation(&codec->core,
695 eld->info.spk_alloc, channels,
696 per_pin->chmap_set, non_pcm, per_pin->chmap);
697
698 active_channels = snd_hdac_get_active_channels(ca);
699
700 chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
701 active_channels);
702
703 /*
704 * always configure channel mapping, it may have been changed by the
705 * user in the meantime
706 */
707 snd_hdac_setup_channel_mapping(&spec->chmap,
708 pin_nid, non_pcm, ca, channels,
709 per_pin->chmap, per_pin->chmap_set);
710
711 spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
712 eld->info.conn_type);
713
714 per_pin->non_pcm = non_pcm;
715}
716
717/*
718 * Unsolicited events
719 */
720
721static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
722
723static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
724{
725 struct hdmi_spec *spec = codec->spec;
726 int pin_idx = pin_nid_to_pin_index(codec, nid);
727
728 if (pin_idx < 0)
729 return;
730 if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
731 snd_hda_jack_report_sync(codec);
732}
733
734static void jack_callback(struct hda_codec *codec,
735 struct hda_jack_callback *jack)
736{
737 check_presence_and_report(codec, jack->nid);
738}
739
740static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
741{
742 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
743 struct hda_jack_tbl *jack;
744 int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
745
746 jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
747 if (!jack)
748 return;
749 jack->jack_dirty = 1;
750
751 codec_dbg(codec,
752 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
753 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
754 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
755
756 check_presence_and_report(codec, jack->nid);
757}
758
759static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
760{
761 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
762 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
763 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
764 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
765
766 codec_info(codec,
767 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
768 codec->addr,
769 tag,
770 subtag,
771 cp_state,
772 cp_ready);
773
774 /* TODO */
775 if (cp_state)
776 ;
777 if (cp_ready)
778 ;
779}
780
781
782static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
783{
784 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
785 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
786
787 if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
788 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
789 return;
790 }
791
792 if (subtag == 0)
793 hdmi_intrinsic_event(codec, res);
794 else
795 hdmi_non_intrinsic_event(codec, res);
796}
797
798static void haswell_verify_D0(struct hda_codec *codec,
799 hda_nid_t cvt_nid, hda_nid_t nid)
800{
801 int pwr;
802
803 /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
804 * thus pins could only choose converter 0 for use. Make sure the
805 * converters are in correct power state */
806 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
807 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
808
809 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
810 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
811 AC_PWRST_D0);
812 msleep(40);
813 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
814 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
815 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
816 }
817}
818
819/*
820 * Callbacks
821 */
822
823/* HBR should be Non-PCM, 8 channels */
824#define is_hbr_format(format) \
825 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
826
827static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
828 bool hbr)
829{
830 int pinctl, new_pinctl;
831
832 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
833 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
834 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
835
836 if (pinctl < 0)
837 return hbr ? -EINVAL : 0;
838
839 new_pinctl = pinctl & ~AC_PINCTL_EPT;
840 if (hbr)
841 new_pinctl |= AC_PINCTL_EPT_HBR;
842 else
843 new_pinctl |= AC_PINCTL_EPT_NATIVE;
844
845 codec_dbg(codec,
846 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
847 pin_nid,
848 pinctl == new_pinctl ? "" : "new-",
849 new_pinctl);
850
851 if (pinctl != new_pinctl)
852 snd_hda_codec_write(codec, pin_nid, 0,
853 AC_VERB_SET_PIN_WIDGET_CONTROL,
854 new_pinctl);
855 } else if (hbr)
856 return -EINVAL;
857
858 return 0;
859}
860
861static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
862 hda_nid_t pin_nid, u32 stream_tag, int format)
863{
864 struct hdmi_spec *spec = codec->spec;
865 int err;
866
867 if (is_haswell_plus(codec))
868 haswell_verify_D0(codec, cvt_nid, pin_nid);
869
870 err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
871
872 if (err) {
873 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
874 return err;
875 }
876
877 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
878 return 0;
879}
880
881/* Try to find an available converter
882 * If pin_idx is less then zero, just try to find an available converter.
883 * Otherwise, try to find an available converter and get the cvt mux index
884 * of the pin.
885 */
886static int hdmi_choose_cvt(struct hda_codec *codec,
887 int pin_idx, int *cvt_id, int *mux_id)
888{
889 struct hdmi_spec *spec = codec->spec;
890 struct hdmi_spec_per_pin *per_pin;
891 struct hdmi_spec_per_cvt *per_cvt = NULL;
892 int cvt_idx, mux_idx = 0;
893
894 /* pin_idx < 0 means no pin will be bound to the converter */
895 if (pin_idx < 0)
896 per_pin = NULL;
897 else
898 per_pin = get_pin(spec, pin_idx);
899
900 /* Dynamically assign converter to stream */
901 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
902 per_cvt = get_cvt(spec, cvt_idx);
903
904 /* Must not already be assigned */
905 if (per_cvt->assigned)
906 continue;
907 if (per_pin == NULL)
908 break;
909 /* Must be in pin's mux's list of converters */
910 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
911 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
912 break;
913 /* Not in mux list */
914 if (mux_idx == per_pin->num_mux_nids)
915 continue;
916 break;
917 }
918
919 /* No free converters */
920 if (cvt_idx == spec->num_cvts)
921 return -EBUSY;
922
923 if (per_pin != NULL)
924 per_pin->mux_idx = mux_idx;
925
926 if (cvt_id)
927 *cvt_id = cvt_idx;
928 if (mux_id)
929 *mux_id = mux_idx;
930
931 return 0;
932}
933
934/* Assure the pin select the right convetor */
935static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
936 struct hdmi_spec_per_pin *per_pin)
937{
938 hda_nid_t pin_nid = per_pin->pin_nid;
939 int mux_idx, curr;
940
941 mux_idx = per_pin->mux_idx;
942 curr = snd_hda_codec_read(codec, pin_nid, 0,
943 AC_VERB_GET_CONNECT_SEL, 0);
944 if (curr != mux_idx)
945 snd_hda_codec_write_cache(codec, pin_nid, 0,
946 AC_VERB_SET_CONNECT_SEL,
947 mux_idx);
948}
949
950/* get the mux index for the converter of the pins
951 * converter's mux index is the same for all pins on Intel platform
952 */
953static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
954 hda_nid_t cvt_nid)
955{
956 int i;
957
958 for (i = 0; i < spec->num_cvts; i++)
959 if (spec->cvt_nids[i] == cvt_nid)
960 return i;
961 return -EINVAL;
962}
963
964/* Intel HDMI workaround to fix audio routing issue:
965 * For some Intel display codecs, pins share the same connection list.
966 * So a conveter can be selected by multiple pins and playback on any of these
967 * pins will generate sound on the external display, because audio flows from
968 * the same converter to the display pipeline. Also muting one pin may make
969 * other pins have no sound output.
970 * So this function assures that an assigned converter for a pin is not selected
971 * by any other pins.
972 */
973static void intel_not_share_assigned_cvt(struct hda_codec *codec,
974 hda_nid_t pin_nid, int mux_idx)
975{
976 struct hdmi_spec *spec = codec->spec;
977 hda_nid_t nid;
978 int cvt_idx, curr;
979 struct hdmi_spec_per_cvt *per_cvt;
980
981 /* configure all pins, including "no physical connection" ones */
982 for_each_hda_codec_node(nid, codec) {
983 unsigned int wid_caps = get_wcaps(codec, nid);
984 unsigned int wid_type = get_wcaps_type(wid_caps);
985
986 if (wid_type != AC_WID_PIN)
987 continue;
988
989 if (nid == pin_nid)
990 continue;
991
992 curr = snd_hda_codec_read(codec, nid, 0,
993 AC_VERB_GET_CONNECT_SEL, 0);
994 if (curr != mux_idx)
995 continue;
996
997 /* choose an unassigned converter. The conveters in the
998 * connection list are in the same order as in the codec.
999 */
1000 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1001 per_cvt = get_cvt(spec, cvt_idx);
1002 if (!per_cvt->assigned) {
1003 codec_dbg(codec,
1004 "choose cvt %d for pin nid %d\n",
1005 cvt_idx, nid);
1006 snd_hda_codec_write_cache(codec, nid, 0,
1007 AC_VERB_SET_CONNECT_SEL,
1008 cvt_idx);
1009 break;
1010 }
1011 }
1012 }
1013}
1014
1015/* A wrapper of intel_not_share_asigned_cvt() */
1016static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1017 hda_nid_t pin_nid, hda_nid_t cvt_nid)
1018{
1019 int mux_idx;
1020 struct hdmi_spec *spec = codec->spec;
1021
1022 if (!is_haswell_plus(codec) && !is_valleyview_plus(codec))
1023 return;
1024
1025 /* On Intel platform, the mapping of converter nid to
1026 * mux index of the pins are always the same.
1027 * The pin nid may be 0, this means all pins will not
1028 * share the converter.
1029 */
1030 mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1031 if (mux_idx >= 0)
1032 intel_not_share_assigned_cvt(codec, pin_nid, mux_idx);
1033}
1034
1035/* called in hdmi_pcm_open when no pin is assigned to the PCM
1036 * in dyn_pcm_assign mode.
1037 */
1038static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1039 struct hda_codec *codec,
1040 struct snd_pcm_substream *substream)
1041{
1042 struct hdmi_spec *spec = codec->spec;
1043 struct snd_pcm_runtime *runtime = substream->runtime;
1044 int cvt_idx, pcm_idx;
1045 struct hdmi_spec_per_cvt *per_cvt = NULL;
1046 int err;
1047
1048 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1049 if (pcm_idx < 0)
1050 return -EINVAL;
1051
1052 err = hdmi_choose_cvt(codec, -1, &cvt_idx, NULL);
1053 if (err)
1054 return err;
1055
1056 per_cvt = get_cvt(spec, cvt_idx);
1057 per_cvt->assigned = 1;
1058 hinfo->nid = per_cvt->cvt_nid;
1059
1060 intel_not_share_assigned_cvt_nid(codec, 0, per_cvt->cvt_nid);
1061
1062 set_bit(pcm_idx, &spec->pcm_in_use);
1063 /* todo: setup spdif ctls assign */
1064
1065 /* Initially set the converter's capabilities */
1066 hinfo->channels_min = per_cvt->channels_min;
1067 hinfo->channels_max = per_cvt->channels_max;
1068 hinfo->rates = per_cvt->rates;
1069 hinfo->formats = per_cvt->formats;
1070 hinfo->maxbps = per_cvt->maxbps;
1071
1072 /* Store the updated parameters */
1073 runtime->hw.channels_min = hinfo->channels_min;
1074 runtime->hw.channels_max = hinfo->channels_max;
1075 runtime->hw.formats = hinfo->formats;
1076 runtime->hw.rates = hinfo->rates;
1077
1078 snd_pcm_hw_constraint_step(substream->runtime, 0,
1079 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1080 return 0;
1081}
1082
1083/*
1084 * HDA PCM callbacks
1085 */
1086static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1087 struct hda_codec *codec,
1088 struct snd_pcm_substream *substream)
1089{
1090 struct hdmi_spec *spec = codec->spec;
1091 struct snd_pcm_runtime *runtime = substream->runtime;
1092 int pin_idx, cvt_idx, pcm_idx, mux_idx = 0;
1093 struct hdmi_spec_per_pin *per_pin;
1094 struct hdmi_eld *eld;
1095 struct hdmi_spec_per_cvt *per_cvt = NULL;
1096 int err;
1097
1098 /* Validate hinfo */
1099 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1100 if (pcm_idx < 0)
1101 return -EINVAL;
1102
1103 mutex_lock(&spec->pcm_lock);
1104 pin_idx = hinfo_to_pin_index(codec, hinfo);
1105 if (!spec->dyn_pcm_assign) {
1106 if (snd_BUG_ON(pin_idx < 0)) {
1107 mutex_unlock(&spec->pcm_lock);
1108 return -EINVAL;
1109 }
1110 } else {
1111 /* no pin is assigned to the PCM
1112 * PA need pcm open successfully when probe
1113 */
1114 if (pin_idx < 0) {
1115 err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1116 mutex_unlock(&spec->pcm_lock);
1117 return err;
1118 }
1119 }
1120
1121 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1122 if (err < 0) {
1123 mutex_unlock(&spec->pcm_lock);
1124 return err;
1125 }
1126
1127 per_cvt = get_cvt(spec, cvt_idx);
1128 /* Claim converter */
1129 per_cvt->assigned = 1;
1130
1131 set_bit(pcm_idx, &spec->pcm_in_use);
1132 per_pin = get_pin(spec, pin_idx);
1133 per_pin->cvt_nid = per_cvt->cvt_nid;
1134 hinfo->nid = per_cvt->cvt_nid;
1135
1136 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1137 AC_VERB_SET_CONNECT_SEL,
1138 mux_idx);
1139
1140 /* configure unused pins to choose other converters */
1141 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1142 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1143
1144 snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1145
1146 /* Initially set the converter's capabilities */
1147 hinfo->channels_min = per_cvt->channels_min;
1148 hinfo->channels_max = per_cvt->channels_max;
1149 hinfo->rates = per_cvt->rates;
1150 hinfo->formats = per_cvt->formats;
1151 hinfo->maxbps = per_cvt->maxbps;
1152
1153 eld = &per_pin->sink_eld;
1154 /* Restrict capabilities by ELD if this isn't disabled */
1155 if (!static_hdmi_pcm && eld->eld_valid) {
1156 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1157 if (hinfo->channels_min > hinfo->channels_max ||
1158 !hinfo->rates || !hinfo->formats) {
1159 per_cvt->assigned = 0;
1160 hinfo->nid = 0;
1161 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1162 mutex_unlock(&spec->pcm_lock);
1163 return -ENODEV;
1164 }
1165 }
1166
1167 mutex_unlock(&spec->pcm_lock);
1168 /* Store the updated parameters */
1169 runtime->hw.channels_min = hinfo->channels_min;
1170 runtime->hw.channels_max = hinfo->channels_max;
1171 runtime->hw.formats = hinfo->formats;
1172 runtime->hw.rates = hinfo->rates;
1173
1174 snd_pcm_hw_constraint_step(substream->runtime, 0,
1175 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1176 return 0;
1177}
1178
1179/*
1180 * HDA/HDMI auto parsing
1181 */
1182static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1183{
1184 struct hdmi_spec *spec = codec->spec;
1185 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1186 hda_nid_t pin_nid = per_pin->pin_nid;
1187
1188 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1189 codec_warn(codec,
1190 "HDMI: pin %d wcaps %#x does not support connection list\n",
1191 pin_nid, get_wcaps(codec, pin_nid));
1192 return -EINVAL;
1193 }
1194
1195 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1196 per_pin->mux_nids,
1197 HDA_MAX_CONNECTIONS);
1198
1199 return 0;
1200}
1201
1202static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1203 struct hdmi_spec_per_pin *per_pin)
1204{
1205 int i;
1206
1207 /* try the prefer PCM */
1208 if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
1209 return per_pin->pin_nid_idx;
1210
1211 /* have a second try; check the "reserved area" over num_pins */
1212 for (i = spec->num_pins; i < spec->pcm_used; i++) {
1213 if (!test_bit(i, &spec->pcm_bitmap))
1214 return i;
1215 }
1216
1217 /* the last try; check the empty slots in pins */
1218 for (i = 0; i < spec->num_pins; i++) {
1219 if (!test_bit(i, &spec->pcm_bitmap))
1220 return i;
1221 }
1222 return -EBUSY;
1223}
1224
1225static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1226 struct hdmi_spec_per_pin *per_pin)
1227{
1228 int idx;
1229
1230 /* pcm already be attached to the pin */
1231 if (per_pin->pcm)
1232 return;
1233 idx = hdmi_find_pcm_slot(spec, per_pin);
1234 if (idx == -EBUSY)
1235 return;
1236 per_pin->pcm_idx = idx;
1237 per_pin->pcm = get_hdmi_pcm(spec, idx);
1238 set_bit(idx, &spec->pcm_bitmap);
1239}
1240
1241static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1242 struct hdmi_spec_per_pin *per_pin)
1243{
1244 int idx;
1245
1246 /* pcm already be detached from the pin */
1247 if (!per_pin->pcm)
1248 return;
1249 idx = per_pin->pcm_idx;
1250 per_pin->pcm_idx = -1;
1251 per_pin->pcm = NULL;
1252 if (idx >= 0 && idx < spec->pcm_used)
1253 clear_bit(idx, &spec->pcm_bitmap);
1254}
1255
1256static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1257 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1258{
1259 int mux_idx;
1260
1261 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1262 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1263 break;
1264 return mux_idx;
1265}
1266
1267static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1268
1269static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1270 struct hdmi_spec_per_pin *per_pin)
1271{
1272 struct hda_codec *codec = per_pin->codec;
1273 struct hda_pcm *pcm;
1274 struct hda_pcm_stream *hinfo;
1275 struct snd_pcm_substream *substream;
1276 int mux_idx;
1277 bool non_pcm;
1278
1279 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1280 pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1281 else
1282 return;
1283 if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1284 return;
1285
1286 /* hdmi audio only uses playback and one substream */
1287 hinfo = pcm->stream;
1288 substream = pcm->pcm->streams[0].substream;
1289
1290 per_pin->cvt_nid = hinfo->nid;
1291
1292 mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1293 if (mux_idx < per_pin->num_mux_nids)
1294 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1295 AC_VERB_SET_CONNECT_SEL,
1296 mux_idx);
1297 snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1298
1299 non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1300 if (substream->runtime)
1301 per_pin->channels = substream->runtime->channels;
1302 per_pin->setup = true;
1303 per_pin->mux_idx = mux_idx;
1304
1305 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1306}
1307
1308static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1309 struct hdmi_spec_per_pin *per_pin)
1310{
1311 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1312 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1313
1314 per_pin->chmap_set = false;
1315 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1316
1317 per_pin->setup = false;
1318 per_pin->channels = 0;
1319}
1320
1321/* update per_pin ELD from the given new ELD;
1322 * setup info frame and notification accordingly
1323 */
1324static void update_eld(struct hda_codec *codec,
1325 struct hdmi_spec_per_pin *per_pin,
1326 struct hdmi_eld *eld)
1327{
1328 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1329 struct hdmi_spec *spec = codec->spec;
1330 bool old_eld_valid = pin_eld->eld_valid;
1331 bool eld_changed;
1332 int pcm_idx = -1;
1333
1334 /* for monitor disconnection, save pcm_idx firstly */
1335 pcm_idx = per_pin->pcm_idx;
1336 if (spec->dyn_pcm_assign) {
1337 if (eld->eld_valid) {
1338 hdmi_attach_hda_pcm(spec, per_pin);
1339 hdmi_pcm_setup_pin(spec, per_pin);
1340 } else {
1341 hdmi_pcm_reset_pin(spec, per_pin);
1342 hdmi_detach_hda_pcm(spec, per_pin);
1343 }
1344 }
1345 /* if pcm_idx == -1, it means this is in monitor connection event
1346 * we can get the correct pcm_idx now.
1347 */
1348 if (pcm_idx == -1)
1349 pcm_idx = per_pin->pcm_idx;
1350
1351 if (eld->eld_valid)
1352 snd_hdmi_show_eld(codec, &eld->info);
1353
1354 eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1355 if (eld->eld_valid && pin_eld->eld_valid)
1356 if (pin_eld->eld_size != eld->eld_size ||
1357 memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1358 eld->eld_size) != 0)
1359 eld_changed = true;
1360
1361 pin_eld->monitor_present = eld->monitor_present;
1362 pin_eld->eld_valid = eld->eld_valid;
1363 pin_eld->eld_size = eld->eld_size;
1364 if (eld->eld_valid)
1365 memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
1366 pin_eld->info = eld->info;
1367
1368 /*
1369 * Re-setup pin and infoframe. This is needed e.g. when
1370 * - sink is first plugged-in
1371 * - transcoder can change during stream playback on Haswell
1372 * and this can make HW reset converter selection on a pin.
1373 */
1374 if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1375 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1376 intel_verify_pin_cvt_connect(codec, per_pin);
1377 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
1378 per_pin->mux_idx);
1379 }
1380
1381 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1382 }
1383
1384 if (eld_changed && pcm_idx >= 0)
1385 snd_ctl_notify(codec->card,
1386 SNDRV_CTL_EVENT_MASK_VALUE |
1387 SNDRV_CTL_EVENT_MASK_INFO,
1388 &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1389}
1390
1391/* update ELD and jack state via HD-audio verbs */
1392static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1393 int repoll)
1394{
1395 struct hda_jack_tbl *jack;
1396 struct hda_codec *codec = per_pin->codec;
1397 struct hdmi_spec *spec = codec->spec;
1398 struct hdmi_eld *eld = &spec->temp_eld;
1399 hda_nid_t pin_nid = per_pin->pin_nid;
1400 /*
1401 * Always execute a GetPinSense verb here, even when called from
1402 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1403 * response's PD bit is not the real PD value, but indicates that
1404 * the real PD value changed. An older version of the HD-audio
1405 * specification worked this way. Hence, we just ignore the data in
1406 * the unsolicited response to avoid custom WARs.
1407 */
1408 int present;
1409 bool ret;
1410 bool do_repoll = false;
1411
1412 present = snd_hda_pin_sense(codec, pin_nid);
1413
1414 mutex_lock(&per_pin->lock);
1415 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1416 if (eld->monitor_present)
1417 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
1418 else
1419 eld->eld_valid = false;
1420
1421 codec_dbg(codec,
1422 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1423 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1424
1425 if (eld->eld_valid) {
1426 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1427 &eld->eld_size) < 0)
1428 eld->eld_valid = false;
1429 else {
1430 if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1431 eld->eld_size) < 0)
1432 eld->eld_valid = false;
1433 }
1434 if (!eld->eld_valid && repoll)
1435 do_repoll = true;
1436 }
1437
1438 if (do_repoll)
1439 schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
1440 else
1441 update_eld(codec, per_pin, eld);
1442
1443 ret = !repoll || !eld->monitor_present || eld->eld_valid;
1444
1445 jack = snd_hda_jack_tbl_get(codec, pin_nid);
1446 if (jack)
1447 jack->block_report = !ret;
1448
1449 mutex_unlock(&per_pin->lock);
1450 return ret;
1451}
1452
1453static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec,
1454 struct hdmi_spec_per_pin *per_pin)
1455{
1456 struct hdmi_spec *spec = codec->spec;
1457 struct snd_jack *jack = NULL;
1458 struct hda_jack_tbl *jack_tbl;
1459
1460 /* if !dyn_pcm_assign, get jack from hda_jack_tbl
1461 * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not
1462 * NULL even after snd_hda_jack_tbl_clear() is called to
1463 * free snd_jack. This may cause access invalid memory
1464 * when calling snd_jack_report
1465 */
1466 if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign)
1467 jack = spec->pcm_rec[per_pin->pcm_idx].jack;
1468 else if (!spec->dyn_pcm_assign) {
1469 jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1470 if (jack_tbl)
1471 jack = jack_tbl->jack;
1472 }
1473 return jack;
1474}
1475
1476/* update ELD and jack state via audio component */
1477static void sync_eld_via_acomp(struct hda_codec *codec,
1478 struct hdmi_spec_per_pin *per_pin)
1479{
1480 struct hdmi_spec *spec = codec->spec;
1481 struct hdmi_eld *eld = &spec->temp_eld;
1482 struct snd_jack *jack = NULL;
1483 int size;
1484
1485 mutex_lock(&per_pin->lock);
1486 eld->monitor_present = false;
1487 size = snd_hdac_acomp_get_eld(&codec->bus->core, per_pin->pin_nid,
1488 &eld->monitor_present, eld->eld_buffer,
1489 ELD_MAX_SIZE);
1490 if (size > 0) {
1491 size = min(size, ELD_MAX_SIZE);
1492 if (snd_hdmi_parse_eld(codec, &eld->info,
1493 eld->eld_buffer, size) < 0)
1494 size = -EINVAL;
1495 }
1496
1497 if (size > 0) {
1498 eld->eld_valid = true;
1499 eld->eld_size = size;
1500 } else {
1501 eld->eld_valid = false;
1502 eld->eld_size = 0;
1503 }
1504
1505 /* pcm_idx >=0 before update_eld() means it is in monitor
1506 * disconnected event. Jack must be fetched before update_eld()
1507 */
1508 jack = pin_idx_to_jack(codec, per_pin);
1509 update_eld(codec, per_pin, eld);
1510 if (jack == NULL)
1511 jack = pin_idx_to_jack(codec, per_pin);
1512 if (jack == NULL)
1513 goto unlock;
1514 snd_jack_report(jack,
1515 eld->monitor_present ? SND_JACK_AVOUT : 0);
1516 unlock:
1517 mutex_unlock(&per_pin->lock);
1518}
1519
1520static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1521{
1522 struct hda_codec *codec = per_pin->codec;
1523 struct hdmi_spec *spec = codec->spec;
1524 int ret;
1525
1526 /* no temporary power up/down needed for component notifier */
1527 if (!codec_has_acomp(codec))
1528 snd_hda_power_up_pm(codec);
1529
1530 mutex_lock(&spec->pcm_lock);
1531 if (codec_has_acomp(codec)) {
1532 sync_eld_via_acomp(codec, per_pin);
1533 ret = false; /* don't call snd_hda_jack_report_sync() */
1534 } else {
1535 ret = hdmi_present_sense_via_verbs(per_pin, repoll);
1536 }
1537 mutex_unlock(&spec->pcm_lock);
1538
1539 if (!codec_has_acomp(codec))
1540 snd_hda_power_down_pm(codec);
1541
1542 return ret;
1543}
1544
1545static void hdmi_repoll_eld(struct work_struct *work)
1546{
1547 struct hdmi_spec_per_pin *per_pin =
1548 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1549
1550 if (per_pin->repoll_count++ > 6)
1551 per_pin->repoll_count = 0;
1552
1553 if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1554 snd_hda_jack_report_sync(per_pin->codec);
1555}
1556
1557static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1558 hda_nid_t nid);
1559
1560static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1561{
1562 struct hdmi_spec *spec = codec->spec;
1563 unsigned int caps, config;
1564 int pin_idx;
1565 struct hdmi_spec_per_pin *per_pin;
1566 int err;
1567
1568 caps = snd_hda_query_pin_caps(codec, pin_nid);
1569 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1570 return 0;
1571
1572 config = snd_hda_codec_get_pincfg(codec, pin_nid);
1573 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1574 return 0;
1575
1576 if (is_haswell_plus(codec))
1577 intel_haswell_fixup_connect_list(codec, pin_nid);
1578
1579 pin_idx = spec->num_pins;
1580 per_pin = snd_array_new(&spec->pins);
1581 if (!per_pin)
1582 return -ENOMEM;
1583
1584 per_pin->pin_nid = pin_nid;
1585 per_pin->non_pcm = false;
1586 if (spec->dyn_pcm_assign)
1587 per_pin->pcm_idx = -1;
1588 else {
1589 per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
1590 per_pin->pcm_idx = pin_idx;
1591 }
1592 per_pin->pin_nid_idx = pin_idx;
1593
1594 err = hdmi_read_pin_conn(codec, pin_idx);
1595 if (err < 0)
1596 return err;
1597
1598 spec->num_pins++;
1599
1600 return 0;
1601}
1602
1603static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1604{
1605 struct hdmi_spec *spec = codec->spec;
1606 struct hdmi_spec_per_cvt *per_cvt;
1607 unsigned int chans;
1608 int err;
1609
1610 chans = get_wcaps(codec, cvt_nid);
1611 chans = get_wcaps_channels(chans);
1612
1613 per_cvt = snd_array_new(&spec->cvts);
1614 if (!per_cvt)
1615 return -ENOMEM;
1616
1617 per_cvt->cvt_nid = cvt_nid;
1618 per_cvt->channels_min = 2;
1619 if (chans <= 16) {
1620 per_cvt->channels_max = chans;
1621 if (chans > spec->chmap.channels_max)
1622 spec->chmap.channels_max = chans;
1623 }
1624
1625 err = snd_hda_query_supported_pcm(codec, cvt_nid,
1626 &per_cvt->rates,
1627 &per_cvt->formats,
1628 &per_cvt->maxbps);
1629 if (err < 0)
1630 return err;
1631
1632 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1633 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1634 spec->num_cvts++;
1635
1636 return 0;
1637}
1638
1639static int hdmi_parse_codec(struct hda_codec *codec)
1640{
1641 hda_nid_t nid;
1642 int i, nodes;
1643
1644 nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1645 if (!nid || nodes < 0) {
1646 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1647 return -EINVAL;
1648 }
1649
1650 for (i = 0; i < nodes; i++, nid++) {
1651 unsigned int caps;
1652 unsigned int type;
1653
1654 caps = get_wcaps(codec, nid);
1655 type = get_wcaps_type(caps);
1656
1657 if (!(caps & AC_WCAP_DIGITAL))
1658 continue;
1659
1660 switch (type) {
1661 case AC_WID_AUD_OUT:
1662 hdmi_add_cvt(codec, nid);
1663 break;
1664 case AC_WID_PIN:
1665 hdmi_add_pin(codec, nid);
1666 break;
1667 }
1668 }
1669
1670 return 0;
1671}
1672
1673/*
1674 */
1675static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1676{
1677 struct hda_spdif_out *spdif;
1678 bool non_pcm;
1679
1680 mutex_lock(&codec->spdif_mutex);
1681 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1682 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1683 mutex_unlock(&codec->spdif_mutex);
1684 return non_pcm;
1685}
1686
1687/*
1688 * HDMI callbacks
1689 */
1690
1691static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1692 struct hda_codec *codec,
1693 unsigned int stream_tag,
1694 unsigned int format,
1695 struct snd_pcm_substream *substream)
1696{
1697 hda_nid_t cvt_nid = hinfo->nid;
1698 struct hdmi_spec *spec = codec->spec;
1699 int pin_idx;
1700 struct hdmi_spec_per_pin *per_pin;
1701 hda_nid_t pin_nid;
1702 struct snd_pcm_runtime *runtime = substream->runtime;
1703 bool non_pcm;
1704 int pinctl;
1705 int err;
1706
1707 mutex_lock(&spec->pcm_lock);
1708 pin_idx = hinfo_to_pin_index(codec, hinfo);
1709 if (spec->dyn_pcm_assign && pin_idx < 0) {
1710 /* when dyn_pcm_assign and pcm is not bound to a pin
1711 * skip pin setup and return 0 to make audio playback
1712 * be ongoing
1713 */
1714 intel_not_share_assigned_cvt_nid(codec, 0, cvt_nid);
1715 snd_hda_codec_setup_stream(codec, cvt_nid,
1716 stream_tag, 0, format);
1717 mutex_unlock(&spec->pcm_lock);
1718 return 0;
1719 }
1720
1721 if (snd_BUG_ON(pin_idx < 0)) {
1722 mutex_unlock(&spec->pcm_lock);
1723 return -EINVAL;
1724 }
1725 per_pin = get_pin(spec, pin_idx);
1726 pin_nid = per_pin->pin_nid;
1727 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1728 /* Verify pin:cvt selections to avoid silent audio after S3.
1729 * After S3, the audio driver restores pin:cvt selections
1730 * but this can happen before gfx is ready and such selection
1731 * is overlooked by HW. Thus multiple pins can share a same
1732 * default convertor and mute control will affect each other,
1733 * which can cause a resumed audio playback become silent
1734 * after S3.
1735 */
1736 intel_verify_pin_cvt_connect(codec, per_pin);
1737 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1738 }
1739
1740 /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1741 /* Todo: add DP1.2 MST audio support later */
1742 if (codec_has_acomp(codec))
1743 snd_hdac_sync_audio_rate(&codec->bus->core, pin_nid, runtime->rate);
1744
1745 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1746 mutex_lock(&per_pin->lock);
1747 per_pin->channels = substream->runtime->channels;
1748 per_pin->setup = true;
1749
1750 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1751 mutex_unlock(&per_pin->lock);
1752 if (spec->dyn_pin_out) {
1753 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1754 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1755 snd_hda_codec_write(codec, pin_nid, 0,
1756 AC_VERB_SET_PIN_WIDGET_CONTROL,
1757 pinctl | PIN_OUT);
1758 }
1759
1760 err = spec->ops.setup_stream(codec, cvt_nid, pin_nid,
1761 stream_tag, format);
1762 mutex_unlock(&spec->pcm_lock);
1763 return err;
1764}
1765
1766static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1767 struct hda_codec *codec,
1768 struct snd_pcm_substream *substream)
1769{
1770 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1771 return 0;
1772}
1773
1774static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1775 struct hda_codec *codec,
1776 struct snd_pcm_substream *substream)
1777{
1778 struct hdmi_spec *spec = codec->spec;
1779 int cvt_idx, pin_idx, pcm_idx;
1780 struct hdmi_spec_per_cvt *per_cvt;
1781 struct hdmi_spec_per_pin *per_pin;
1782 int pinctl;
1783
1784 if (hinfo->nid) {
1785 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1786 if (snd_BUG_ON(pcm_idx < 0))
1787 return -EINVAL;
1788 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1789 if (snd_BUG_ON(cvt_idx < 0))
1790 return -EINVAL;
1791 per_cvt = get_cvt(spec, cvt_idx);
1792
1793 snd_BUG_ON(!per_cvt->assigned);
1794 per_cvt->assigned = 0;
1795 hinfo->nid = 0;
1796
1797 mutex_lock(&spec->pcm_lock);
1798 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1799 clear_bit(pcm_idx, &spec->pcm_in_use);
1800 pin_idx = hinfo_to_pin_index(codec, hinfo);
1801 if (spec->dyn_pcm_assign && pin_idx < 0) {
1802 mutex_unlock(&spec->pcm_lock);
1803 return 0;
1804 }
1805
1806 if (snd_BUG_ON(pin_idx < 0)) {
1807 mutex_unlock(&spec->pcm_lock);
1808 return -EINVAL;
1809 }
1810 per_pin = get_pin(spec, pin_idx);
1811
1812 if (spec->dyn_pin_out) {
1813 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1814 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1815 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1816 AC_VERB_SET_PIN_WIDGET_CONTROL,
1817 pinctl & ~PIN_OUT);
1818 }
1819
1820 mutex_lock(&per_pin->lock);
1821 per_pin->chmap_set = false;
1822 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1823
1824 per_pin->setup = false;
1825 per_pin->channels = 0;
1826 mutex_unlock(&per_pin->lock);
1827 mutex_unlock(&spec->pcm_lock);
1828 }
1829
1830 return 0;
1831}
1832
1833static const struct hda_pcm_ops generic_ops = {
1834 .open = hdmi_pcm_open,
1835 .close = hdmi_pcm_close,
1836 .prepare = generic_hdmi_playback_pcm_prepare,
1837 .cleanup = generic_hdmi_playback_pcm_cleanup,
1838};
1839
1840static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
1841 unsigned char *chmap)
1842{
1843 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1844 struct hdmi_spec *spec = codec->spec;
1845 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1846
1847 /* chmap is already set to 0 in caller */
1848 if (!per_pin)
1849 return;
1850
1851 memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
1852}
1853
1854static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
1855 unsigned char *chmap, int prepared)
1856{
1857 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1858 struct hdmi_spec *spec = codec->spec;
1859 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1860
1861 if (!per_pin)
1862 return;
1863 mutex_lock(&per_pin->lock);
1864 per_pin->chmap_set = true;
1865 memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
1866 if (prepared)
1867 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1868 mutex_unlock(&per_pin->lock);
1869}
1870
1871static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
1872{
1873 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1874 struct hdmi_spec *spec = codec->spec;
1875 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1876
1877 return per_pin ? true:false;
1878}
1879
1880static int generic_hdmi_build_pcms(struct hda_codec *codec)
1881{
1882 struct hdmi_spec *spec = codec->spec;
1883 int pin_idx;
1884
1885 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1886 struct hda_pcm *info;
1887 struct hda_pcm_stream *pstr;
1888
1889 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
1890 if (!info)
1891 return -ENOMEM;
1892
1893 spec->pcm_rec[pin_idx].pcm = info;
1894 spec->pcm_used++;
1895 info->pcm_type = HDA_PCM_TYPE_HDMI;
1896 info->own_chmap = true;
1897
1898 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1899 pstr->substreams = 1;
1900 pstr->ops = generic_ops;
1901 /* other pstr fields are set in open */
1902 }
1903
1904 return 0;
1905}
1906
1907static void free_hdmi_jack_priv(struct snd_jack *jack)
1908{
1909 struct hdmi_pcm *pcm = jack->private_data;
1910
1911 pcm->jack = NULL;
1912}
1913
1914static int add_hdmi_jack_kctl(struct hda_codec *codec,
1915 struct hdmi_spec *spec,
1916 int pcm_idx,
1917 const char *name)
1918{
1919 struct snd_jack *jack;
1920 int err;
1921
1922 err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack,
1923 true, false);
1924 if (err < 0)
1925 return err;
1926
1927 spec->pcm_rec[pcm_idx].jack = jack;
1928 jack->private_data = &spec->pcm_rec[pcm_idx];
1929 jack->private_free = free_hdmi_jack_priv;
1930 return 0;
1931}
1932
1933static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
1934{
1935 char hdmi_str[32] = "HDMI/DP";
1936 struct hdmi_spec *spec = codec->spec;
1937 struct hdmi_spec_per_pin *per_pin;
1938 struct hda_jack_tbl *jack;
1939 int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
1940 bool phantom_jack;
1941 int ret;
1942
1943 if (pcmdev > 0)
1944 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1945
1946 if (spec->dyn_pcm_assign)
1947 return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str);
1948
1949 /* for !dyn_pcm_assign, we still use hda_jack for compatibility */
1950 /* if !dyn_pcm_assign, it must be non-MST mode.
1951 * This means pcms and pins are statically mapped.
1952 * And pcm_idx is pin_idx.
1953 */
1954 per_pin = get_pin(spec, pcm_idx);
1955 phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
1956 if (phantom_jack)
1957 strncat(hdmi_str, " Phantom",
1958 sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1959 ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
1960 phantom_jack);
1961 if (ret < 0)
1962 return ret;
1963 jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1964 if (jack == NULL)
1965 return 0;
1966 /* assign jack->jack to pcm_rec[].jack to
1967 * align with dyn_pcm_assign mode
1968 */
1969 spec->pcm_rec[pcm_idx].jack = jack->jack;
1970 return 0;
1971}
1972
1973static int generic_hdmi_build_controls(struct hda_codec *codec)
1974{
1975 struct hdmi_spec *spec = codec->spec;
1976 int err;
1977 int pin_idx, pcm_idx;
1978
1979
1980 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
1981 err = generic_hdmi_build_jack(codec, pcm_idx);
1982 if (err < 0)
1983 return err;
1984
1985 /* create the spdif for each pcm
1986 * pin will be bound when monitor is connected
1987 */
1988 if (spec->dyn_pcm_assign)
1989 err = snd_hda_create_dig_out_ctls(codec,
1990 0, spec->cvt_nids[0],
1991 HDA_PCM_TYPE_HDMI);
1992 else {
1993 struct hdmi_spec_per_pin *per_pin =
1994 get_pin(spec, pcm_idx);
1995 err = snd_hda_create_dig_out_ctls(codec,
1996 per_pin->pin_nid,
1997 per_pin->mux_nids[0],
1998 HDA_PCM_TYPE_HDMI);
1999 }
2000 if (err < 0)
2001 return err;
2002 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2003
2004 /* add control for ELD Bytes */
2005 err = hdmi_create_eld_ctl(codec, pcm_idx,
2006 get_pcm_rec(spec, pcm_idx)->device);
2007 if (err < 0)
2008 return err;
2009 }
2010
2011 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2012 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2013
2014 hdmi_present_sense(per_pin, 0);
2015 }
2016
2017 /* add channel maps */
2018 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2019 struct hda_pcm *pcm;
2020
2021 pcm = get_pcm_rec(spec, pcm_idx);
2022 if (!pcm || !pcm->pcm)
2023 break;
2024 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2025 if (err < 0)
2026 return err;
2027 }
2028
2029 return 0;
2030}
2031
2032static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2033{
2034 struct hdmi_spec *spec = codec->spec;
2035 int pin_idx;
2036
2037 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2038 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2039
2040 per_pin->codec = codec;
2041 mutex_init(&per_pin->lock);
2042 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2043 eld_proc_new(per_pin, pin_idx);
2044 }
2045 return 0;
2046}
2047
2048static int generic_hdmi_init(struct hda_codec *codec)
2049{
2050 struct hdmi_spec *spec = codec->spec;
2051 int pin_idx;
2052
2053 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2054 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2055 hda_nid_t pin_nid = per_pin->pin_nid;
2056
2057 hdmi_init_pin(codec, pin_nid);
2058 if (!codec_has_acomp(codec))
2059 snd_hda_jack_detect_enable_callback(codec, pin_nid,
2060 codec->jackpoll_interval > 0 ?
2061 jack_callback : NULL);
2062 }
2063 return 0;
2064}
2065
2066static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2067{
2068 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2069 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2070}
2071
2072static void hdmi_array_free(struct hdmi_spec *spec)
2073{
2074 snd_array_free(&spec->pins);
2075 snd_array_free(&spec->cvts);
2076}
2077
2078static void generic_hdmi_free(struct hda_codec *codec)
2079{
2080 struct hdmi_spec *spec = codec->spec;
2081 int pin_idx, pcm_idx;
2082
2083 if (codec_has_acomp(codec))
2084 snd_hdac_i915_register_notifier(NULL);
2085
2086 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2087 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2088 cancel_delayed_work_sync(&per_pin->work);
2089 eld_proc_free(per_pin);
2090 }
2091
2092 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2093 if (spec->pcm_rec[pcm_idx].jack == NULL)
2094 continue;
2095 if (spec->dyn_pcm_assign)
2096 snd_device_free(codec->card,
2097 spec->pcm_rec[pcm_idx].jack);
2098 else
2099 spec->pcm_rec[pcm_idx].jack = NULL;
2100 }
2101
2102 if (spec->i915_bound)
2103 snd_hdac_i915_exit(&codec->bus->core);
2104 hdmi_array_free(spec);
2105 kfree(spec);
2106}
2107
2108#ifdef CONFIG_PM
2109static int generic_hdmi_resume(struct hda_codec *codec)
2110{
2111 struct hdmi_spec *spec = codec->spec;
2112 int pin_idx;
2113
2114 codec->patch_ops.init(codec);
2115 regcache_sync(codec->core.regmap);
2116
2117 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2118 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2119 hdmi_present_sense(per_pin, 1);
2120 }
2121 return 0;
2122}
2123#endif
2124
2125static const struct hda_codec_ops generic_hdmi_patch_ops = {
2126 .init = generic_hdmi_init,
2127 .free = generic_hdmi_free,
2128 .build_pcms = generic_hdmi_build_pcms,
2129 .build_controls = generic_hdmi_build_controls,
2130 .unsol_event = hdmi_unsol_event,
2131#ifdef CONFIG_PM
2132 .resume = generic_hdmi_resume,
2133#endif
2134};
2135
2136static const struct hdmi_ops generic_standard_hdmi_ops = {
2137 .pin_get_eld = snd_hdmi_get_eld,
2138 .pin_setup_infoframe = hdmi_pin_setup_infoframe,
2139 .pin_hbr_setup = hdmi_pin_hbr_setup,
2140 .setup_stream = hdmi_setup_stream,
2141};
2142
2143static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2144 hda_nid_t nid)
2145{
2146 struct hdmi_spec *spec = codec->spec;
2147 hda_nid_t conns[4];
2148 int nconns;
2149
2150 nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2151 if (nconns == spec->num_cvts &&
2152 !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2153 return;
2154
2155 /* override pins connection list */
2156 codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2157 snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2158}
2159
2160#define INTEL_VENDOR_NID 0x08
2161#define INTEL_GET_VENDOR_VERB 0xf81
2162#define INTEL_SET_VENDOR_VERB 0x781
2163#define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
2164#define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
2165
2166static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2167 bool update_tree)
2168{
2169 unsigned int vendor_param;
2170
2171 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2172 INTEL_GET_VENDOR_VERB, 0);
2173 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2174 return;
2175
2176 vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2177 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2178 INTEL_SET_VENDOR_VERB, vendor_param);
2179 if (vendor_param == -1)
2180 return;
2181
2182 if (update_tree)
2183 snd_hda_codec_update_widgets(codec);
2184}
2185
2186static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2187{
2188 unsigned int vendor_param;
2189
2190 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2191 INTEL_GET_VENDOR_VERB, 0);
2192 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2193 return;
2194
2195 /* enable DP1.2 mode */
2196 vendor_param |= INTEL_EN_DP12;
2197 snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2198 snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2199 INTEL_SET_VENDOR_VERB, vendor_param);
2200}
2201
2202/* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2203 * Otherwise you may get severe h/w communication errors.
2204 */
2205static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2206 unsigned int power_state)
2207{
2208 if (power_state == AC_PWRST_D0) {
2209 intel_haswell_enable_all_pins(codec, false);
2210 intel_haswell_fixup_enable_dp12(codec);
2211 }
2212
2213 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2214 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2215}
2216
2217static void intel_pin_eld_notify(void *audio_ptr, int port)
2218{
2219 struct hda_codec *codec = audio_ptr;
2220 int pin_nid = port + 0x04;
2221
2222 /* we assume only from port-B to port-D */
2223 if (port < 1 || port > 3)
2224 return;
2225
2226 /* skip notification during system suspend (but not in runtime PM);
2227 * the state will be updated at resume
2228 */
2229 if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2230 return;
2231 /* ditto during suspend/resume process itself */
2232 if (atomic_read(&(codec)->core.in_pm))
2233 return;
2234
2235 snd_hdac_i915_set_bclk(&codec->bus->core);
2236 check_presence_and_report(codec, pin_nid);
2237}
2238
2239static int patch_generic_hdmi(struct hda_codec *codec)
2240{
2241 struct hdmi_spec *spec;
2242
2243 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2244 if (spec == NULL)
2245 return -ENOMEM;
2246
2247 spec->ops = generic_standard_hdmi_ops;
2248 mutex_init(&spec->pcm_lock);
2249 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2250
2251 spec->chmap.ops.get_chmap = hdmi_get_chmap;
2252 spec->chmap.ops.set_chmap = hdmi_set_chmap;
2253 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2254
2255 codec->spec = spec;
2256 hdmi_array_init(spec, 4);
2257
2258#ifdef CONFIG_SND_HDA_I915
2259 /* Try to bind with i915 for Intel HSW+ codecs (if not done yet) */
2260 if ((codec->core.vendor_id >> 16) == 0x8086 &&
2261 is_haswell_plus(codec)) {
2262#if 0
2263 /* on-demand binding leads to an unbalanced refcount when
2264 * both i915 and hda drivers are probed concurrently;
2265 * disabled temporarily for now
2266 */
2267 if (!codec->bus->core.audio_component)
2268 if (!snd_hdac_i915_init(&codec->bus->core))
2269 spec->i915_bound = true;
2270#endif
2271 /* use i915 audio component notifier for hotplug */
2272 if (codec->bus->core.audio_component)
2273 spec->use_acomp_notifier = true;
2274 }
2275#endif
2276
2277 if (is_haswell_plus(codec)) {
2278 intel_haswell_enable_all_pins(codec, true);
2279 intel_haswell_fixup_enable_dp12(codec);
2280 }
2281
2282 /* For Valleyview/Cherryview, only the display codec is in the display
2283 * power well and can use link_power ops to request/release the power.
2284 * For Haswell/Broadwell, the controller is also in the power well and
2285 * can cover the codec power request, and so need not set this flag.
2286 * For previous platforms, there is no such power well feature.
2287 */
2288 if (is_valleyview_plus(codec) || is_skylake(codec) ||
2289 is_broxton(codec))
2290 codec->core.link_power_control = 1;
2291
2292 if (hdmi_parse_codec(codec) < 0) {
2293 if (spec->i915_bound)
2294 snd_hdac_i915_exit(&codec->bus->core);
2295 codec->spec = NULL;
2296 kfree(spec);
2297 return -EINVAL;
2298 }
2299 codec->patch_ops = generic_hdmi_patch_ops;
2300 if (is_haswell_plus(codec)) {
2301 codec->patch_ops.set_power_state = haswell_set_power_state;
2302 codec->dp_mst = true;
2303 }
2304
2305 /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
2306 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2307 codec->auto_runtime_pm = 1;
2308
2309 generic_hdmi_init_per_pins(codec);
2310
2311
2312 if (codec_has_acomp(codec)) {
2313 codec->depop_delay = 0;
2314 spec->i915_audio_ops.audio_ptr = codec;
2315 /* intel_audio_codec_enable() or intel_audio_codec_disable()
2316 * will call pin_eld_notify with using audio_ptr pointer
2317 * We need make sure audio_ptr is really setup
2318 */
2319 wmb();
2320 spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
2321 snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
2322 }
2323
2324 WARN_ON(spec->dyn_pcm_assign && !codec_has_acomp(codec));
2325 return 0;
2326}
2327
2328/*
2329 * Shared non-generic implementations
2330 */
2331
2332static int simple_playback_build_pcms(struct hda_codec *codec)
2333{
2334 struct hdmi_spec *spec = codec->spec;
2335 struct hda_pcm *info;
2336 unsigned int chans;
2337 struct hda_pcm_stream *pstr;
2338 struct hdmi_spec_per_cvt *per_cvt;
2339
2340 per_cvt = get_cvt(spec, 0);
2341 chans = get_wcaps(codec, per_cvt->cvt_nid);
2342 chans = get_wcaps_channels(chans);
2343
2344 info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2345 if (!info)
2346 return -ENOMEM;
2347 spec->pcm_rec[0].pcm = info;
2348 info->pcm_type = HDA_PCM_TYPE_HDMI;
2349 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2350 *pstr = spec->pcm_playback;
2351 pstr->nid = per_cvt->cvt_nid;
2352 if (pstr->channels_max <= 2 && chans && chans <= 16)
2353 pstr->channels_max = chans;
2354
2355 return 0;
2356}
2357
2358/* unsolicited event for jack sensing */
2359static void simple_hdmi_unsol_event(struct hda_codec *codec,
2360 unsigned int res)
2361{
2362 snd_hda_jack_set_dirty_all(codec);
2363 snd_hda_jack_report_sync(codec);
2364}
2365
2366/* generic_hdmi_build_jack can be used for simple_hdmi, too,
2367 * as long as spec->pins[] is set correctly
2368 */
2369#define simple_hdmi_build_jack generic_hdmi_build_jack
2370
2371static int simple_playback_build_controls(struct hda_codec *codec)
2372{
2373 struct hdmi_spec *spec = codec->spec;
2374 struct hdmi_spec_per_cvt *per_cvt;
2375 int err;
2376
2377 per_cvt = get_cvt(spec, 0);
2378 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2379 per_cvt->cvt_nid,
2380 HDA_PCM_TYPE_HDMI);
2381 if (err < 0)
2382 return err;
2383 return simple_hdmi_build_jack(codec, 0);
2384}
2385
2386static int simple_playback_init(struct hda_codec *codec)
2387{
2388 struct hdmi_spec *spec = codec->spec;
2389 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2390 hda_nid_t pin = per_pin->pin_nid;
2391
2392 snd_hda_codec_write(codec, pin, 0,
2393 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2394 /* some codecs require to unmute the pin */
2395 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2396 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2397 AMP_OUT_UNMUTE);
2398 snd_hda_jack_detect_enable(codec, pin);
2399 return 0;
2400}
2401
2402static void simple_playback_free(struct hda_codec *codec)
2403{
2404 struct hdmi_spec *spec = codec->spec;
2405
2406 hdmi_array_free(spec);
2407 kfree(spec);
2408}
2409
2410/*
2411 * Nvidia specific implementations
2412 */
2413
2414#define Nv_VERB_SET_Channel_Allocation 0xF79
2415#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
2416#define Nv_VERB_SET_Audio_Protection_On 0xF98
2417#define Nv_VERB_SET_Audio_Protection_Off 0xF99
2418
2419#define nvhdmi_master_con_nid_7x 0x04
2420#define nvhdmi_master_pin_nid_7x 0x05
2421
2422static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2423 /*front, rear, clfe, rear_surr */
2424 0x6, 0x8, 0xa, 0xc,
2425};
2426
2427static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2428 /* set audio protect on */
2429 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2430 /* enable digital output on pin widget */
2431 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2432 {} /* terminator */
2433};
2434
2435static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2436 /* set audio protect on */
2437 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2438 /* enable digital output on pin widget */
2439 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2440 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2441 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2442 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2443 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2444 {} /* terminator */
2445};
2446
2447#ifdef LIMITED_RATE_FMT_SUPPORT
2448/* support only the safe format and rate */
2449#define SUPPORTED_RATES SNDRV_PCM_RATE_48000
2450#define SUPPORTED_MAXBPS 16
2451#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
2452#else
2453/* support all rates and formats */
2454#define SUPPORTED_RATES \
2455 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2456 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2457 SNDRV_PCM_RATE_192000)
2458#define SUPPORTED_MAXBPS 24
2459#define SUPPORTED_FORMATS \
2460 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2461#endif
2462
2463static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2464{
2465 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2466 return 0;
2467}
2468
2469static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2470{
2471 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2472 return 0;
2473}
2474
2475static unsigned int channels_2_6_8[] = {
2476 2, 6, 8
2477};
2478
2479static unsigned int channels_2_8[] = {
2480 2, 8
2481};
2482
2483static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2484 .count = ARRAY_SIZE(channels_2_6_8),
2485 .list = channels_2_6_8,
2486 .mask = 0,
2487};
2488
2489static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2490 .count = ARRAY_SIZE(channels_2_8),
2491 .list = channels_2_8,
2492 .mask = 0,
2493};
2494
2495static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2496 struct hda_codec *codec,
2497 struct snd_pcm_substream *substream)
2498{
2499 struct hdmi_spec *spec = codec->spec;
2500 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2501
2502 switch (codec->preset->vendor_id) {
2503 case 0x10de0002:
2504 case 0x10de0003:
2505 case 0x10de0005:
2506 case 0x10de0006:
2507 hw_constraints_channels = &hw_constraints_2_8_channels;
2508 break;
2509 case 0x10de0007:
2510 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2511 break;
2512 default:
2513 break;
2514 }
2515
2516 if (hw_constraints_channels != NULL) {
2517 snd_pcm_hw_constraint_list(substream->runtime, 0,
2518 SNDRV_PCM_HW_PARAM_CHANNELS,
2519 hw_constraints_channels);
2520 } else {
2521 snd_pcm_hw_constraint_step(substream->runtime, 0,
2522 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2523 }
2524
2525 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2526}
2527
2528static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2529 struct hda_codec *codec,
2530 struct snd_pcm_substream *substream)
2531{
2532 struct hdmi_spec *spec = codec->spec;
2533 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2534}
2535
2536static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2537 struct hda_codec *codec,
2538 unsigned int stream_tag,
2539 unsigned int format,
2540 struct snd_pcm_substream *substream)
2541{
2542 struct hdmi_spec *spec = codec->spec;
2543 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2544 stream_tag, format, substream);
2545}
2546
2547static const struct hda_pcm_stream simple_pcm_playback = {
2548 .substreams = 1,
2549 .channels_min = 2,
2550 .channels_max = 2,
2551 .ops = {
2552 .open = simple_playback_pcm_open,
2553 .close = simple_playback_pcm_close,
2554 .prepare = simple_playback_pcm_prepare
2555 },
2556};
2557
2558static const struct hda_codec_ops simple_hdmi_patch_ops = {
2559 .build_controls = simple_playback_build_controls,
2560 .build_pcms = simple_playback_build_pcms,
2561 .init = simple_playback_init,
2562 .free = simple_playback_free,
2563 .unsol_event = simple_hdmi_unsol_event,
2564};
2565
2566static int patch_simple_hdmi(struct hda_codec *codec,
2567 hda_nid_t cvt_nid, hda_nid_t pin_nid)
2568{
2569 struct hdmi_spec *spec;
2570 struct hdmi_spec_per_cvt *per_cvt;
2571 struct hdmi_spec_per_pin *per_pin;
2572
2573 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2574 if (!spec)
2575 return -ENOMEM;
2576
2577 codec->spec = spec;
2578 hdmi_array_init(spec, 1);
2579
2580 spec->multiout.num_dacs = 0; /* no analog */
2581 spec->multiout.max_channels = 2;
2582 spec->multiout.dig_out_nid = cvt_nid;
2583 spec->num_cvts = 1;
2584 spec->num_pins = 1;
2585 per_pin = snd_array_new(&spec->pins);
2586 per_cvt = snd_array_new(&spec->cvts);
2587 if (!per_pin || !per_cvt) {
2588 simple_playback_free(codec);
2589 return -ENOMEM;
2590 }
2591 per_cvt->cvt_nid = cvt_nid;
2592 per_pin->pin_nid = pin_nid;
2593 spec->pcm_playback = simple_pcm_playback;
2594
2595 codec->patch_ops = simple_hdmi_patch_ops;
2596
2597 return 0;
2598}
2599
2600static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2601 int channels)
2602{
2603 unsigned int chanmask;
2604 int chan = channels ? (channels - 1) : 1;
2605
2606 switch (channels) {
2607 default:
2608 case 0:
2609 case 2:
2610 chanmask = 0x00;
2611 break;
2612 case 4:
2613 chanmask = 0x08;
2614 break;
2615 case 6:
2616 chanmask = 0x0b;
2617 break;
2618 case 8:
2619 chanmask = 0x13;
2620 break;
2621 }
2622
2623 /* Set the audio infoframe channel allocation and checksum fields. The
2624 * channel count is computed implicitly by the hardware. */
2625 snd_hda_codec_write(codec, 0x1, 0,
2626 Nv_VERB_SET_Channel_Allocation, chanmask);
2627
2628 snd_hda_codec_write(codec, 0x1, 0,
2629 Nv_VERB_SET_Info_Frame_Checksum,
2630 (0x71 - chan - chanmask));
2631}
2632
2633static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2634 struct hda_codec *codec,
2635 struct snd_pcm_substream *substream)
2636{
2637 struct hdmi_spec *spec = codec->spec;
2638 int i;
2639
2640 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2641 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2642 for (i = 0; i < 4; i++) {
2643 /* set the stream id */
2644 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2645 AC_VERB_SET_CHANNEL_STREAMID, 0);
2646 /* set the stream format */
2647 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2648 AC_VERB_SET_STREAM_FORMAT, 0);
2649 }
2650
2651 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2652 * streams are disabled. */
2653 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2654
2655 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2656}
2657
2658static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2659 struct hda_codec *codec,
2660 unsigned int stream_tag,
2661 unsigned int format,
2662 struct snd_pcm_substream *substream)
2663{
2664 int chs;
2665 unsigned int dataDCC2, channel_id;
2666 int i;
2667 struct hdmi_spec *spec = codec->spec;
2668 struct hda_spdif_out *spdif;
2669 struct hdmi_spec_per_cvt *per_cvt;
2670
2671 mutex_lock(&codec->spdif_mutex);
2672 per_cvt = get_cvt(spec, 0);
2673 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2674
2675 chs = substream->runtime->channels;
2676
2677 dataDCC2 = 0x2;
2678
2679 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2680 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2681 snd_hda_codec_write(codec,
2682 nvhdmi_master_con_nid_7x,
2683 0,
2684 AC_VERB_SET_DIGI_CONVERT_1,
2685 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2686
2687 /* set the stream id */
2688 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2689 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2690
2691 /* set the stream format */
2692 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2693 AC_VERB_SET_STREAM_FORMAT, format);
2694
2695 /* turn on again (if needed) */
2696 /* enable and set the channel status audio/data flag */
2697 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2698 snd_hda_codec_write(codec,
2699 nvhdmi_master_con_nid_7x,
2700 0,
2701 AC_VERB_SET_DIGI_CONVERT_1,
2702 spdif->ctls & 0xff);
2703 snd_hda_codec_write(codec,
2704 nvhdmi_master_con_nid_7x,
2705 0,
2706 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2707 }
2708
2709 for (i = 0; i < 4; i++) {
2710 if (chs == 2)
2711 channel_id = 0;
2712 else
2713 channel_id = i * 2;
2714
2715 /* turn off SPDIF once;
2716 *otherwise the IEC958 bits won't be updated
2717 */
2718 if (codec->spdif_status_reset &&
2719 (spdif->ctls & AC_DIG1_ENABLE))
2720 snd_hda_codec_write(codec,
2721 nvhdmi_con_nids_7x[i],
2722 0,
2723 AC_VERB_SET_DIGI_CONVERT_1,
2724 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2725 /* set the stream id */
2726 snd_hda_codec_write(codec,
2727 nvhdmi_con_nids_7x[i],
2728 0,
2729 AC_VERB_SET_CHANNEL_STREAMID,
2730 (stream_tag << 4) | channel_id);
2731 /* set the stream format */
2732 snd_hda_codec_write(codec,
2733 nvhdmi_con_nids_7x[i],
2734 0,
2735 AC_VERB_SET_STREAM_FORMAT,
2736 format);
2737 /* turn on again (if needed) */
2738 /* enable and set the channel status audio/data flag */
2739 if (codec->spdif_status_reset &&
2740 (spdif->ctls & AC_DIG1_ENABLE)) {
2741 snd_hda_codec_write(codec,
2742 nvhdmi_con_nids_7x[i],
2743 0,
2744 AC_VERB_SET_DIGI_CONVERT_1,
2745 spdif->ctls & 0xff);
2746 snd_hda_codec_write(codec,
2747 nvhdmi_con_nids_7x[i],
2748 0,
2749 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2750 }
2751 }
2752
2753 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2754
2755 mutex_unlock(&codec->spdif_mutex);
2756 return 0;
2757}
2758
2759static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2760 .substreams = 1,
2761 .channels_min = 2,
2762 .channels_max = 8,
2763 .nid = nvhdmi_master_con_nid_7x,
2764 .rates = SUPPORTED_RATES,
2765 .maxbps = SUPPORTED_MAXBPS,
2766 .formats = SUPPORTED_FORMATS,
2767 .ops = {
2768 .open = simple_playback_pcm_open,
2769 .close = nvhdmi_8ch_7x_pcm_close,
2770 .prepare = nvhdmi_8ch_7x_pcm_prepare
2771 },
2772};
2773
2774static int patch_nvhdmi_2ch(struct hda_codec *codec)
2775{
2776 struct hdmi_spec *spec;
2777 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2778 nvhdmi_master_pin_nid_7x);
2779 if (err < 0)
2780 return err;
2781
2782 codec->patch_ops.init = nvhdmi_7x_init_2ch;
2783 /* override the PCM rates, etc, as the codec doesn't give full list */
2784 spec = codec->spec;
2785 spec->pcm_playback.rates = SUPPORTED_RATES;
2786 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2787 spec->pcm_playback.formats = SUPPORTED_FORMATS;
2788 return 0;
2789}
2790
2791static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2792{
2793 struct hdmi_spec *spec = codec->spec;
2794 int err = simple_playback_build_pcms(codec);
2795 if (!err) {
2796 struct hda_pcm *info = get_pcm_rec(spec, 0);
2797 info->own_chmap = true;
2798 }
2799 return err;
2800}
2801
2802static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2803{
2804 struct hdmi_spec *spec = codec->spec;
2805 struct hda_pcm *info;
2806 struct snd_pcm_chmap *chmap;
2807 int err;
2808
2809 err = simple_playback_build_controls(codec);
2810 if (err < 0)
2811 return err;
2812
2813 /* add channel maps */
2814 info = get_pcm_rec(spec, 0);
2815 err = snd_pcm_add_chmap_ctls(info->pcm,
2816 SNDRV_PCM_STREAM_PLAYBACK,
2817 snd_pcm_alt_chmaps, 8, 0, &chmap);
2818 if (err < 0)
2819 return err;
2820 switch (codec->preset->vendor_id) {
2821 case 0x10de0002:
2822 case 0x10de0003:
2823 case 0x10de0005:
2824 case 0x10de0006:
2825 chmap->channel_mask = (1U << 2) | (1U << 8);
2826 break;
2827 case 0x10de0007:
2828 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2829 }
2830 return 0;
2831}
2832
2833static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2834{
2835 struct hdmi_spec *spec;
2836 int err = patch_nvhdmi_2ch(codec);
2837 if (err < 0)
2838 return err;
2839 spec = codec->spec;
2840 spec->multiout.max_channels = 8;
2841 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2842 codec->patch_ops.init = nvhdmi_7x_init_8ch;
2843 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2844 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2845
2846 /* Initialize the audio infoframe channel mask and checksum to something
2847 * valid */
2848 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2849
2850 return 0;
2851}
2852
2853/*
2854 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2855 * - 0x10de0015
2856 * - 0x10de0040
2857 */
2858static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
2859 struct hdac_cea_channel_speaker_allocation *cap, int channels)
2860{
2861 if (cap->ca_index == 0x00 && channels == 2)
2862 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2863
2864 /* If the speaker allocation matches the channel count, it is OK. */
2865 if (cap->channels != channels)
2866 return -1;
2867
2868 /* all channels are remappable freely */
2869 return SNDRV_CTL_TLVT_CHMAP_VAR;
2870}
2871
2872static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
2873 int ca, int chs, unsigned char *map)
2874{
2875 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2876 return -EINVAL;
2877
2878 return 0;
2879}
2880
2881static int patch_nvhdmi(struct hda_codec *codec)
2882{
2883 struct hdmi_spec *spec;
2884 int err;
2885
2886 err = patch_generic_hdmi(codec);
2887 if (err)
2888 return err;
2889
2890 spec = codec->spec;
2891 spec->dyn_pin_out = true;
2892
2893 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
2894 nvhdmi_chmap_cea_alloc_validate_get_type;
2895 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
2896
2897 return 0;
2898}
2899
2900/*
2901 * The HDA codec on NVIDIA Tegra contains two scratch registers that are
2902 * accessed using vendor-defined verbs. These registers can be used for
2903 * interoperability between the HDA and HDMI drivers.
2904 */
2905
2906/* Audio Function Group node */
2907#define NVIDIA_AFG_NID 0x01
2908
2909/*
2910 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
2911 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
2912 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
2913 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
2914 * additional bit (at position 30) to signal the validity of the format.
2915 *
2916 * | 31 | 30 | 29 16 | 15 0 |
2917 * +---------+-------+--------+--------+
2918 * | TRIGGER | VALID | UNUSED | FORMAT |
2919 * +-----------------------------------|
2920 *
2921 * Note that for the trigger bit to take effect it needs to change value
2922 * (i.e. it needs to be toggled).
2923 */
2924#define NVIDIA_GET_SCRATCH0 0xfa6
2925#define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7
2926#define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8
2927#define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9
2928#define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa
2929#define NVIDIA_SCRATCH_TRIGGER (1 << 7)
2930#define NVIDIA_SCRATCH_VALID (1 << 6)
2931
2932#define NVIDIA_GET_SCRATCH1 0xfab
2933#define NVIDIA_SET_SCRATCH1_BYTE0 0xfac
2934#define NVIDIA_SET_SCRATCH1_BYTE1 0xfad
2935#define NVIDIA_SET_SCRATCH1_BYTE2 0xfae
2936#define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf
2937
2938/*
2939 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
2940 * the format is invalidated so that the HDMI codec can be disabled.
2941 */
2942static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
2943{
2944 unsigned int value;
2945
2946 /* bits [31:30] contain the trigger and valid bits */
2947 value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
2948 NVIDIA_GET_SCRATCH0, 0);
2949 value = (value >> 24) & 0xff;
2950
2951 /* bits [15:0] are used to store the HDA format */
2952 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2953 NVIDIA_SET_SCRATCH0_BYTE0,
2954 (format >> 0) & 0xff);
2955 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2956 NVIDIA_SET_SCRATCH0_BYTE1,
2957 (format >> 8) & 0xff);
2958
2959 /* bits [16:24] are unused */
2960 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2961 NVIDIA_SET_SCRATCH0_BYTE2, 0);
2962
2963 /*
2964 * Bit 30 signals that the data is valid and hence that HDMI audio can
2965 * be enabled.
2966 */
2967 if (format == 0)
2968 value &= ~NVIDIA_SCRATCH_VALID;
2969 else
2970 value |= NVIDIA_SCRATCH_VALID;
2971
2972 /*
2973 * Whenever the trigger bit is toggled, an interrupt is raised in the
2974 * HDMI codec. The HDMI driver will use that as trigger to update its
2975 * configuration.
2976 */
2977 value ^= NVIDIA_SCRATCH_TRIGGER;
2978
2979 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2980 NVIDIA_SET_SCRATCH0_BYTE3, value);
2981}
2982
2983static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
2984 struct hda_codec *codec,
2985 unsigned int stream_tag,
2986 unsigned int format,
2987 struct snd_pcm_substream *substream)
2988{
2989 int err;
2990
2991 err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
2992 format, substream);
2993 if (err < 0)
2994 return err;
2995
2996 /* notify the HDMI codec of the format change */
2997 tegra_hdmi_set_format(codec, format);
2998
2999 return 0;
3000}
3001
3002static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3003 struct hda_codec *codec,
3004 struct snd_pcm_substream *substream)
3005{
3006 /* invalidate the format in the HDMI codec */
3007 tegra_hdmi_set_format(codec, 0);
3008
3009 return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3010}
3011
3012static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3013{
3014 struct hdmi_spec *spec = codec->spec;
3015 unsigned int i;
3016
3017 for (i = 0; i < spec->num_pins; i++) {
3018 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3019
3020 if (pcm->pcm_type == type)
3021 return pcm;
3022 }
3023
3024 return NULL;
3025}
3026
3027static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3028{
3029 struct hda_pcm_stream *stream;
3030 struct hda_pcm *pcm;
3031 int err;
3032
3033 err = generic_hdmi_build_pcms(codec);
3034 if (err < 0)
3035 return err;
3036
3037 pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3038 if (!pcm)
3039 return -ENODEV;
3040
3041 /*
3042 * Override ->prepare() and ->cleanup() operations to notify the HDMI
3043 * codec about format changes.
3044 */
3045 stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3046 stream->ops.prepare = tegra_hdmi_pcm_prepare;
3047 stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3048
3049 return 0;
3050}
3051
3052static int patch_tegra_hdmi(struct hda_codec *codec)
3053{
3054 int err;
3055
3056 err = patch_generic_hdmi(codec);
3057 if (err)
3058 return err;
3059
3060 codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3061
3062 return 0;
3063}
3064
3065/*
3066 * ATI/AMD-specific implementations
3067 */
3068
3069#define is_amdhdmi_rev3_or_later(codec) \
3070 ((codec)->core.vendor_id == 0x1002aa01 && \
3071 ((codec)->core.revision_id & 0xff00) >= 0x0300)
3072#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3073
3074/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3075#define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3076#define ATI_VERB_SET_DOWNMIX_INFO 0x772
3077#define ATI_VERB_SET_MULTICHANNEL_01 0x777
3078#define ATI_VERB_SET_MULTICHANNEL_23 0x778
3079#define ATI_VERB_SET_MULTICHANNEL_45 0x779
3080#define ATI_VERB_SET_MULTICHANNEL_67 0x77a
3081#define ATI_VERB_SET_HBR_CONTROL 0x77c
3082#define ATI_VERB_SET_MULTICHANNEL_1 0x785
3083#define ATI_VERB_SET_MULTICHANNEL_3 0x786
3084#define ATI_VERB_SET_MULTICHANNEL_5 0x787
3085#define ATI_VERB_SET_MULTICHANNEL_7 0x788
3086#define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
3087#define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3088#define ATI_VERB_GET_DOWNMIX_INFO 0xf72
3089#define ATI_VERB_GET_MULTICHANNEL_01 0xf77
3090#define ATI_VERB_GET_MULTICHANNEL_23 0xf78
3091#define ATI_VERB_GET_MULTICHANNEL_45 0xf79
3092#define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
3093#define ATI_VERB_GET_HBR_CONTROL 0xf7c
3094#define ATI_VERB_GET_MULTICHANNEL_1 0xf85
3095#define ATI_VERB_GET_MULTICHANNEL_3 0xf86
3096#define ATI_VERB_GET_MULTICHANNEL_5 0xf87
3097#define ATI_VERB_GET_MULTICHANNEL_7 0xf88
3098#define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
3099
3100/* AMD specific HDA cvt verbs */
3101#define ATI_VERB_SET_RAMP_RATE 0x770
3102#define ATI_VERB_GET_RAMP_RATE 0xf70
3103
3104#define ATI_OUT_ENABLE 0x1
3105
3106#define ATI_MULTICHANNEL_MODE_PAIRED 0
3107#define ATI_MULTICHANNEL_MODE_SINGLE 1
3108
3109#define ATI_HBR_CAPABLE 0x01
3110#define ATI_HBR_ENABLE 0x10
3111
3112static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3113 unsigned char *buf, int *eld_size)
3114{
3115 /* call hda_eld.c ATI/AMD-specific function */
3116 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3117 is_amdhdmi_rev3_or_later(codec));
3118}
3119
3120static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3121 int active_channels, int conn_type)
3122{
3123 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3124}
3125
3126static int atihdmi_paired_swap_fc_lfe(int pos)
3127{
3128 /*
3129 * ATI/AMD have automatic FC/LFE swap built-in
3130 * when in pairwise mapping mode.
3131 */
3132
3133 switch (pos) {
3134 /* see channel_allocations[].speakers[] */
3135 case 2: return 3;
3136 case 3: return 2;
3137 default: break;
3138 }
3139
3140 return pos;
3141}
3142
3143static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
3144 int ca, int chs, unsigned char *map)
3145{
3146 struct hdac_cea_channel_speaker_allocation *cap;
3147 int i, j;
3148
3149 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3150
3151 cap = snd_hdac_get_ch_alloc_from_ca(ca);
3152 for (i = 0; i < chs; ++i) {
3153 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
3154 bool ok = false;
3155 bool companion_ok = false;
3156
3157 if (!mask)
3158 continue;
3159
3160 for (j = 0 + i % 2; j < 8; j += 2) {
3161 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3162 if (cap->speakers[chan_idx] == mask) {
3163 /* channel is in a supported position */
3164 ok = true;
3165
3166 if (i % 2 == 0 && i + 1 < chs) {
3167 /* even channel, check the odd companion */
3168 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3169 int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
3170 int comp_mask_act = cap->speakers[comp_chan_idx];
3171
3172 if (comp_mask_req == comp_mask_act)
3173 companion_ok = true;
3174 else
3175 return -EINVAL;
3176 }
3177 break;
3178 }
3179 }
3180
3181 if (!ok)
3182 return -EINVAL;
3183
3184 if (companion_ok)
3185 i++; /* companion channel already checked */
3186 }
3187
3188 return 0;
3189}
3190
3191static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
3192 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
3193{
3194 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3195 int verb;
3196 int ati_channel_setup = 0;
3197
3198 if (hdmi_slot > 7)
3199 return -EINVAL;
3200
3201 if (!has_amd_full_remap_support(codec)) {
3202 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3203
3204 /* In case this is an odd slot but without stream channel, do not
3205 * disable the slot since the corresponding even slot could have a
3206 * channel. In case neither have a channel, the slot pair will be
3207 * disabled when this function is called for the even slot. */
3208 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3209 return 0;
3210
3211 hdmi_slot -= hdmi_slot % 2;
3212
3213 if (stream_channel != 0xf)
3214 stream_channel -= stream_channel % 2;
3215 }
3216
3217 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3218
3219 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3220
3221 if (stream_channel != 0xf)
3222 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3223
3224 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3225}
3226
3227static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
3228 hda_nid_t pin_nid, int asp_slot)
3229{
3230 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3231 bool was_odd = false;
3232 int ati_asp_slot = asp_slot;
3233 int verb;
3234 int ati_channel_setup;
3235
3236 if (asp_slot > 7)
3237 return -EINVAL;
3238
3239 if (!has_amd_full_remap_support(codec)) {
3240 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3241 if (ati_asp_slot % 2 != 0) {
3242 ati_asp_slot -= 1;
3243 was_odd = true;
3244 }
3245 }
3246
3247 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3248
3249 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3250
3251 if (!(ati_channel_setup & ATI_OUT_ENABLE))
3252 return 0xf;
3253
3254 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3255}
3256
3257static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
3258 struct hdac_chmap *chmap,
3259 struct hdac_cea_channel_speaker_allocation *cap,
3260 int channels)
3261{
3262 int c;
3263
3264 /*
3265 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3266 * we need to take that into account (a single channel may take 2
3267 * channel slots if we need to carry a silent channel next to it).
3268 * On Rev3+ AMD codecs this function is not used.
3269 */
3270 int chanpairs = 0;
3271
3272 /* We only produce even-numbered channel count TLVs */
3273 if ((channels % 2) != 0)
3274 return -1;
3275
3276 for (c = 0; c < 7; c += 2) {
3277 if (cap->speakers[c] || cap->speakers[c+1])
3278 chanpairs++;
3279 }
3280
3281 if (chanpairs * 2 != channels)
3282 return -1;
3283
3284 return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3285}
3286
3287static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
3288 struct hdac_cea_channel_speaker_allocation *cap,
3289 unsigned int *chmap, int channels)
3290{
3291 /* produce paired maps for pre-rev3 ATI/AMD codecs */
3292 int count = 0;
3293 int c;
3294
3295 for (c = 7; c >= 0; c--) {
3296 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3297 int spk = cap->speakers[chan];
3298 if (!spk) {
3299 /* add N/A channel if the companion channel is occupied */
3300 if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3301 chmap[count++] = SNDRV_CHMAP_NA;
3302
3303 continue;
3304 }
3305
3306 chmap[count++] = snd_hdac_spk_to_chmap(spk);
3307 }
3308
3309 WARN_ON(count != channels);
3310}
3311
3312static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3313 bool hbr)
3314{
3315 int hbr_ctl, hbr_ctl_new;
3316
3317 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3318 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3319 if (hbr)
3320 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3321 else
3322 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3323
3324 codec_dbg(codec,
3325 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3326 pin_nid,
3327 hbr_ctl == hbr_ctl_new ? "" : "new-",
3328 hbr_ctl_new);
3329
3330 if (hbr_ctl != hbr_ctl_new)
3331 snd_hda_codec_write(codec, pin_nid, 0,
3332 ATI_VERB_SET_HBR_CONTROL,
3333 hbr_ctl_new);
3334
3335 } else if (hbr)
3336 return -EINVAL;
3337
3338 return 0;
3339}
3340
3341static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3342 hda_nid_t pin_nid, u32 stream_tag, int format)
3343{
3344
3345 if (is_amdhdmi_rev3_or_later(codec)) {
3346 int ramp_rate = 180; /* default as per AMD spec */
3347 /* disable ramp-up/down for non-pcm as per AMD spec */
3348 if (format & AC_FMT_TYPE_NON_PCM)
3349 ramp_rate = 0;
3350
3351 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3352 }
3353
3354 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3355}
3356
3357
3358static int atihdmi_init(struct hda_codec *codec)
3359{
3360 struct hdmi_spec *spec = codec->spec;
3361 int pin_idx, err;
3362
3363 err = generic_hdmi_init(codec);
3364
3365 if (err)
3366 return err;
3367
3368 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3369 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3370
3371 /* make sure downmix information in infoframe is zero */
3372 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3373
3374 /* enable channel-wise remap mode if supported */
3375 if (has_amd_full_remap_support(codec))
3376 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3377 ATI_VERB_SET_MULTICHANNEL_MODE,
3378 ATI_MULTICHANNEL_MODE_SINGLE);
3379 }
3380
3381 return 0;
3382}
3383
3384static int patch_atihdmi(struct hda_codec *codec)
3385{
3386 struct hdmi_spec *spec;
3387 struct hdmi_spec_per_cvt *per_cvt;
3388 int err, cvt_idx;
3389
3390 err = patch_generic_hdmi(codec);
3391
3392 if (err)
3393 return err;
3394
3395 codec->patch_ops.init = atihdmi_init;
3396
3397 spec = codec->spec;
3398
3399 spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3400 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3401 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3402 spec->ops.setup_stream = atihdmi_setup_stream;
3403
3404 spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3405 spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3406
3407 if (!has_amd_full_remap_support(codec)) {
3408 /* override to ATI/AMD-specific versions with pairwise mapping */
3409 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3410 atihdmi_paired_chmap_cea_alloc_validate_get_type;
3411 spec->chmap.ops.cea_alloc_to_tlv_chmap =
3412 atihdmi_paired_cea_alloc_to_tlv_chmap;
3413 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
3414 }
3415
3416 /* ATI/AMD converters do not advertise all of their capabilities */
3417 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3418 per_cvt = get_cvt(spec, cvt_idx);
3419 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3420 per_cvt->rates |= SUPPORTED_RATES;
3421 per_cvt->formats |= SUPPORTED_FORMATS;
3422 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3423 }
3424
3425 spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
3426
3427 return 0;
3428}
3429
3430/* VIA HDMI Implementation */
3431#define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
3432#define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
3433
3434static int patch_via_hdmi(struct hda_codec *codec)
3435{
3436 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3437}
3438
3439/*
3440 * patch entries
3441 */
3442static const struct hda_device_id snd_hda_id_hdmi[] = {
3443HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi),
3444HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi),
3445HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi),
3446HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi),
3447HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi),
3448HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi),
3449HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi),
3450HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3451HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3452HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3453HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3454HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x),
3455HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi),
3456HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi),
3457HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi),
3458HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi),
3459HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi),
3460HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi),
3461HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi),
3462HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi),
3463HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi),
3464HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi),
3465HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi),
3466/* 17 is known to be absent */
3467HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi),
3468HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi),
3469HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi),
3470HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi),
3471HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi),
3472HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi),
3473HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi),
3474HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi),
3475HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
3476HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi),
3477HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi),
3478HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi),
3479HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi),
3480HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi),
3481HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi),
3482HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi),
3483HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch),
3484HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi),
3485HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi),
3486HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi),
3487HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi),
3488HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi),
3489HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi),
3490HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch),
3491HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi),
3492HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi),
3493HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi),
3494HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi),
3495HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_generic_hdmi),
3496HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi),
3497HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi),
3498HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi),
3499HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_generic_hdmi),
3500HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_generic_hdmi),
3501HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_generic_hdmi),
3502HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_generic_hdmi),
3503HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_generic_hdmi),
3504HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_generic_hdmi),
3505HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_generic_hdmi),
3506HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_generic_hdmi),
3507HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi),
3508HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_generic_hdmi),
3509HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_generic_hdmi),
3510HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi),
3511/* special ID for generic HDMI */
3512HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
3513{} /* terminator */
3514};
3515MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
3516
3517MODULE_LICENSE("GPL");
3518MODULE_DESCRIPTION("HDMI HD-audio codec");
3519MODULE_ALIAS("snd-hda-codec-intelhdmi");
3520MODULE_ALIAS("snd-hda-codec-nvhdmi");
3521MODULE_ALIAS("snd-hda-codec-atihdmi");
3522
3523static struct hda_codec_driver hdmi_driver = {
3524 .id = snd_hda_id_hdmi,
3525};
3526
3527module_hda_codec_driver(hdmi_driver);