projects / deliverable / linux.git / blob
? search:


c9d0c98bbe867f4b4d882b674769d7db63664f3b
[deliverable/linux.git] / sound / pci / hda / patch_hdmi.c
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/module.h>
35 #include <sound/core.h>
36 #include <sound/jack.h>
37 #include "hda_codec.h"
38 #include "hda_local.h"
39 #include "hda_jack.h"
40
41 static bool static_hdmi_pcm;
42 module_param(static_hdmi_pcm, bool, 0644);
43 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
44
45 /*
46 * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
47 * could support N independent pipes, each of them can be connected to one or
48 * more ports (DVI, HDMI or DisplayPort).
49 *
50 * The HDA correspondence of pipes/ports are converter/pin nodes.
51 */
52 #define MAX_HDMI_CVTS 8
53 #define MAX_HDMI_PINS 8
54
55 struct hdmi_spec_per_cvt {
56 hda_nid_t cvt_nid;
57 int assigned;
58 unsigned int channels_min;
59 unsigned int channels_max;
60 u32 rates;
61 u64 formats;
62 unsigned int maxbps;
63 };
64
65 struct hdmi_spec_per_pin {
66 hda_nid_t pin_nid;
67 int num_mux_nids;
68 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
69
70 struct hda_codec *codec;
71 struct hdmi_eld sink_eld;
72 struct delayed_work work;
73 int repoll_count;
74 };
75
76 struct hdmi_spec {
77 int num_cvts;
78 struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
79
80 int num_pins;
81 struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
82 struct hda_pcm pcm_rec[MAX_HDMI_PINS];
83
84 /*
85 * Non-generic ATI/NVIDIA specific
86 */
87 struct hda_multi_out multiout;
88 const struct hda_pcm_stream *pcm_playback;
89 };
90
91
92 struct hdmi_audio_infoframe {
93 u8 type; /* 0x84 */
94 u8 ver; /* 0x01 */
95 u8 len; /* 0x0a */
96
97 u8 checksum;
98
99 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
100 u8 SS01_SF24;
101 u8 CXT04;
102 u8 CA;
103 u8 LFEPBL01_LSV36_DM_INH7;
104 };
105
106 struct dp_audio_infoframe {
107 u8 type; /* 0x84 */
108 u8 len; /* 0x1b */
109 u8 ver; /* 0x11 << 2 */
110
111 u8 CC02_CT47; /* match with HDMI infoframe from this on */
112 u8 SS01_SF24;
113 u8 CXT04;
114 u8 CA;
115 u8 LFEPBL01_LSV36_DM_INH7;
116 };
117
118 union audio_infoframe {
119 struct hdmi_audio_infoframe hdmi;
120 struct dp_audio_infoframe dp;
121 u8 bytes[0];
122 };
123
124 /*
125 * CEA speaker placement:
126 *
127 * FLH FCH FRH
128 * FLW FL FLC FC FRC FR FRW
129 *
130 * LFE
131 * TC
132 *
133 * RL RLC RC RRC RR
134 *
135 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
136 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
137 */
138 enum cea_speaker_placement {
139 FL = (1 << 0), /* Front Left */
140 FC = (1 << 1), /* Front Center */
141 FR = (1 << 2), /* Front Right */
142 FLC = (1 << 3), /* Front Left Center */
143 FRC = (1 << 4), /* Front Right Center */
144 RL = (1 << 5), /* Rear Left */
145 RC = (1 << 6), /* Rear Center */
146 RR = (1 << 7), /* Rear Right */
147 RLC = (1 << 8), /* Rear Left Center */
148 RRC = (1 << 9), /* Rear Right Center */
149 LFE = (1 << 10), /* Low Frequency Effect */
150 FLW = (1 << 11), /* Front Left Wide */
151 FRW = (1 << 12), /* Front Right Wide */
152 FLH = (1 << 13), /* Front Left High */
153 FCH = (1 << 14), /* Front Center High */
154 FRH = (1 << 15), /* Front Right High */
155 TC = (1 << 16), /* Top Center */
156 };
157
158 /*
159 * ELD SA bits in the CEA Speaker Allocation data block
160 */
161 static int eld_speaker_allocation_bits[] = {
162 [0] = FL | FR,
163 [1] = LFE,
164 [2] = FC,
165 [3] = RL | RR,
166 [4] = RC,
167 [5] = FLC | FRC,
168 [6] = RLC | RRC,
169 /* the following are not defined in ELD yet */
170 [7] = FLW | FRW,
171 [8] = FLH | FRH,
172 [9] = TC,
173 [10] = FCH,
174 };
175
176 struct cea_channel_speaker_allocation {
177 int ca_index;
178 int speakers[8];
179
180 /* derived values, just for convenience */
181 int channels;
182 int spk_mask;
183 };
184
185 /*
186 * ALSA sequence is:
187 *
188 * surround40 surround41 surround50 surround51 surround71
189 * ch0 front left = = = =
190 * ch1 front right = = = =
191 * ch2 rear left = = = =
192 * ch3 rear right = = = =
193 * ch4 LFE center center center
194 * ch5 LFE LFE
195 * ch6 side left
196 * ch7 side right
197 *
198 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
199 */
200 static int hdmi_channel_mapping[0x32][8] = {
201 /* stereo */
202 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
203 /* 2.1 */
204 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
205 /* Dolby Surround */
206 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
207 /* surround40 */
208 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
209 /* 4ch */
210 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
211 /* surround41 */
212 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
213 /* surround50 */
214 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
215 /* surround51 */
216 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
217 /* 7.1 */
218 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
219 };
220
221 /*
222 * This is an ordered list!
223 *
224 * The preceding ones have better chances to be selected by
225 * hdmi_channel_allocation().
226 */
227 static struct cea_channel_speaker_allocation channel_allocations[] = {
228 /* channel: 7 6 5 4 3 2 1 0 */
229 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
230 /* 2.1 */
231 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
232 /* Dolby Surround */
233 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
234 /* surround40 */
235 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
236 /* surround41 */
237 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
238 /* surround50 */
239 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
240 /* surround51 */
241 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
242 /* 6.1 */
243 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
244 /* surround71 */
245 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
246
247 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
248 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
249 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
250 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
251 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
252 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
253 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
254 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
255 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
256 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
257 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
258 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
259 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
260 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
261 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
262 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
263 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
264 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
265 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
266 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
267 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
268 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
269 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
270 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
271 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
272 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
273 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
274 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
275 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
276 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
277 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
278 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
279 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
280 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
281 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
282 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
283 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
284 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
285 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
286 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
287 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
288 };
289
290
291 /*
292 * HDMI routines
293 */
294
295 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
296 {
297 int pin_idx;
298
299 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
300 if (spec->pins[pin_idx].pin_nid == pin_nid)
301 return pin_idx;
302
303 snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
304 return -EINVAL;
305 }
306
307 static int hinfo_to_pin_index(struct hdmi_spec *spec,
308 struct hda_pcm_stream *hinfo)
309 {
310 int pin_idx;
311
312 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
313 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
314 return pin_idx;
315
316 snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
317 return -EINVAL;
318 }
319
320 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
321 {
322 int cvt_idx;
323
324 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
325 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
326 return cvt_idx;
327
328 snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
329 return -EINVAL;
330 }
331
332 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
333 struct snd_ctl_elem_info *uinfo)
334 {
335 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
336 struct hdmi_spec *spec;
337 int pin_idx;
338
339 spec = codec->spec;
340 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
341
342 pin_idx = kcontrol->private_value;
343 uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
344
345 return 0;
346 }
347
348 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
349 struct snd_ctl_elem_value *ucontrol)
350 {
351 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
352 struct hdmi_spec *spec;
353 int pin_idx;
354
355 spec = codec->spec;
356 pin_idx = kcontrol->private_value;
357
358 memcpy(ucontrol->value.bytes.data,
359 spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
360
361 return 0;
362 }
363
364 static struct snd_kcontrol_new eld_bytes_ctl = {
365 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
366 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
367 .name = "ELD",
368 .info = hdmi_eld_ctl_info,
369 .get = hdmi_eld_ctl_get,
370 };
371
372 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
373 int device)
374 {
375 struct snd_kcontrol *kctl;
376 struct hdmi_spec *spec = codec->spec;
377 int err;
378
379 kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
380 if (!kctl)
381 return -ENOMEM;
382 kctl->private_value = pin_idx;
383 kctl->id.device = device;
384
385 err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
386 if (err < 0)
387 return err;
388
389 return 0;
390 }
391
392 #ifdef BE_PARANOID
393 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
394 int *packet_index, int *byte_index)
395 {
396 int val;
397
398 val = snd_hda_codec_read(codec, pin_nid, 0,
399 AC_VERB_GET_HDMI_DIP_INDEX, 0);
400
401 *packet_index = val >> 5;
402 *byte_index = val & 0x1f;
403 }
404 #endif
405
406 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
407 int packet_index, int byte_index)
408 {
409 int val;
410
411 val = (packet_index << 5) | (byte_index & 0x1f);
412
413 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
414 }
415
416 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
417 unsigned char val)
418 {
419 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
420 }
421
422 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
423 {
424 /* Unmute */
425 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
426 snd_hda_codec_write(codec, pin_nid, 0,
427 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
428 /* Disable pin out until stream is active*/
429 snd_hda_codec_write(codec, pin_nid, 0,
430 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
431 }
432
433 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
434 {
435 return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
436 AC_VERB_GET_CVT_CHAN_COUNT, 0);
437 }
438
439 static void hdmi_set_channel_count(struct hda_codec *codec,
440 hda_nid_t cvt_nid, int chs)
441 {
442 if (chs != hdmi_get_channel_count(codec, cvt_nid))
443 snd_hda_codec_write(codec, cvt_nid, 0,
444 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
445 }
446
447
448 /*
449 * Channel mapping routines
450 */
451
452 /*
453 * Compute derived values in channel_allocations[].
454 */
455 static void init_channel_allocations(void)
456 {
457 int i, j;
458 struct cea_channel_speaker_allocation *p;
459
460 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
461 p = channel_allocations + i;
462 p->channels = 0;
463 p->spk_mask = 0;
464 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
465 if (p->speakers[j]) {
466 p->channels++;
467 p->spk_mask |= p->speakers[j];
468 }
469 }
470 }
471
472 /*
473 * The transformation takes two steps:
474 *
475 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
476 * spk_mask => (channel_allocations[]) => ai->CA
477 *
478 * TODO: it could select the wrong CA from multiple candidates.
479 */
480 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
481 {
482 int i;
483 int ca = 0;
484 int spk_mask = 0;
485 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
486
487 /*
488 * CA defaults to 0 for basic stereo audio
489 */
490 if (channels <= 2)
491 return 0;
492
493 /*
494 * expand ELD's speaker allocation mask
495 *
496 * ELD tells the speaker mask in a compact(paired) form,
497 * expand ELD's notions to match the ones used by Audio InfoFrame.
498 */
499 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
500 if (eld->spk_alloc & (1 << i))
501 spk_mask |= eld_speaker_allocation_bits[i];
502 }
503
504 /* search for the first working match in the CA table */
505 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
506 if (channels == channel_allocations[i].channels &&
507 (spk_mask & channel_allocations[i].spk_mask) ==
508 channel_allocations[i].spk_mask) {
509 ca = channel_allocations[i].ca_index;
510 break;
511 }
512 }
513
514 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
515 snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
516 ca, channels, buf);
517
518 return ca;
519 }
520
521 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
522 hda_nid_t pin_nid)
523 {
524 #ifdef CONFIG_SND_DEBUG_VERBOSE
525 int i;
526 int slot;
527
528 for (i = 0; i < 8; i++) {
529 slot = snd_hda_codec_read(codec, pin_nid, 0,
530 AC_VERB_GET_HDMI_CHAN_SLOT, i);
531 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
532 slot >> 4, slot & 0xf);
533 }
534 #endif
535 }
536
537
538 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
539 hda_nid_t pin_nid,
540 int ca)
541 {
542 int i;
543 int err;
544
545 if (hdmi_channel_mapping[ca][1] == 0) {
546 for (i = 0; i < channel_allocations[ca].channels; i++)
547 hdmi_channel_mapping[ca][i] = i | (i << 4);
548 for (; i < 8; i++)
549 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
550 }
551
552 for (i = 0; i < 8; i++) {
553 err = snd_hda_codec_write(codec, pin_nid, 0,
554 AC_VERB_SET_HDMI_CHAN_SLOT,
555 hdmi_channel_mapping[ca][i]);
556 if (err) {
557 snd_printdd(KERN_NOTICE
558 "HDMI: channel mapping failed\n");
559 break;
560 }
561 }
562
563 hdmi_debug_channel_mapping(codec, pin_nid);
564 }
565
566
567 /*
568 * Audio InfoFrame routines
569 */
570
571 /*
572 * Enable Audio InfoFrame Transmission
573 */
574 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
575 hda_nid_t pin_nid)
576 {
577 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
578 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
579 AC_DIPXMIT_BEST);
580 }
581
582 /*
583 * Disable Audio InfoFrame Transmission
584 */
585 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
586 hda_nid_t pin_nid)
587 {
588 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
589 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
590 AC_DIPXMIT_DISABLE);
591 }
592
593 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
594 {
595 #ifdef CONFIG_SND_DEBUG_VERBOSE
596 int i;
597 int size;
598
599 size = snd_hdmi_get_eld_size(codec, pin_nid);
600 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
601
602 for (i = 0; i < 8; i++) {
603 size = snd_hda_codec_read(codec, pin_nid, 0,
604 AC_VERB_GET_HDMI_DIP_SIZE, i);
605 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
606 }
607 #endif
608 }
609
610 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
611 {
612 #ifdef BE_PARANOID
613 int i, j;
614 int size;
615 int pi, bi;
616 for (i = 0; i < 8; i++) {
617 size = snd_hda_codec_read(codec, pin_nid, 0,
618 AC_VERB_GET_HDMI_DIP_SIZE, i);
619 if (size == 0)
620 continue;
621
622 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
623 for (j = 1; j < 1000; j++) {
624 hdmi_write_dip_byte(codec, pin_nid, 0x0);
625 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
626 if (pi != i)
627 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
628 bi, pi, i);
629 if (bi == 0) /* byte index wrapped around */
630 break;
631 }
632 snd_printd(KERN_INFO
633 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
634 i, size, j);
635 }
636 #endif
637 }
638
639 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
640 {
641 u8 *bytes = (u8 *)hdmi_ai;
642 u8 sum = 0;
643 int i;
644
645 hdmi_ai->checksum = 0;
646
647 for (i = 0; i < sizeof(*hdmi_ai); i++)
648 sum += bytes[i];
649
650 hdmi_ai->checksum = -sum;
651 }
652
653 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
654 hda_nid_t pin_nid,
655 u8 *dip, int size)
656 {
657 int i;
658
659 hdmi_debug_dip_size(codec, pin_nid);
660 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
661
662 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
663 for (i = 0; i < size; i++)
664 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
665 }
666
667 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
668 u8 *dip, int size)
669 {
670 u8 val;
671 int i;
672
673 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
674 != AC_DIPXMIT_BEST)
675 return false;
676
677 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
678 for (i = 0; i < size; i++) {
679 val = snd_hda_codec_read(codec, pin_nid, 0,
680 AC_VERB_GET_HDMI_DIP_DATA, 0);
681 if (val != dip[i])
682 return false;
683 }
684
685 return true;
686 }
687
688 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
689 struct snd_pcm_substream *substream)
690 {
691 struct hdmi_spec *spec = codec->spec;
692 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
693 hda_nid_t pin_nid = per_pin->pin_nid;
694 int channels = substream->runtime->channels;
695 struct hdmi_eld *eld;
696 int ca;
697 union audio_infoframe ai;
698
699 eld = &spec->pins[pin_idx].sink_eld;
700 if (!eld->monitor_present)
701 return;
702
703 ca = hdmi_channel_allocation(eld, channels);
704
705 memset(&ai, 0, sizeof(ai));
706 if (eld->conn_type == 0) { /* HDMI */
707 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
708
709 hdmi_ai->type = 0x84;
710 hdmi_ai->ver = 0x01;
711 hdmi_ai->len = 0x0a;
712 hdmi_ai->CC02_CT47 = channels - 1;
713 hdmi_ai->CA = ca;
714 hdmi_checksum_audio_infoframe(hdmi_ai);
715 } else if (eld->conn_type == 1) { /* DisplayPort */
716 struct dp_audio_infoframe *dp_ai = &ai.dp;
717
718 dp_ai->type = 0x84;
719 dp_ai->len = 0x1b;
720 dp_ai->ver = 0x11 << 2;
721 dp_ai->CC02_CT47 = channels - 1;
722 dp_ai->CA = ca;
723 } else {
724 snd_printd("HDMI: unknown connection type at pin %d\n",
725 pin_nid);
726 return;
727 }
728
729 /*
730 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
731 * sizeof(*dp_ai) to avoid partial match/update problems when
732 * the user switches between HDMI/DP monitors.
733 */
734 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
735 sizeof(ai))) {
736 snd_printdd("hdmi_setup_audio_infoframe: "
737 "pin=%d channels=%d\n",
738 pin_nid,
739 channels);
740 hdmi_setup_channel_mapping(codec, pin_nid, ca);
741 hdmi_stop_infoframe_trans(codec, pin_nid);
742 hdmi_fill_audio_infoframe(codec, pin_nid,
743 ai.bytes, sizeof(ai));
744 hdmi_start_infoframe_trans(codec, pin_nid);
745 }
746 }
747
748
749 /*
750 * Unsolicited events
751 */
752
753 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
754
755 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
756 {
757 struct hdmi_spec *spec = codec->spec;
758 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
759 int pin_nid;
760 int pin_idx;
761 struct hda_jack_tbl *jack;
762
763 jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
764 if (!jack)
765 return;
766 pin_nid = jack->nid;
767 jack->jack_dirty = 1;
768
769 _snd_printd(SND_PR_VERBOSE,
770 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
771 codec->addr, pin_nid,
772 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
773
774 pin_idx = pin_nid_to_pin_index(spec, pin_nid);
775 if (pin_idx < 0)
776 return;
777
778 hdmi_present_sense(&spec->pins[pin_idx], 1);
779 snd_hda_jack_report_sync(codec);
780 }
781
782 static void hdmi_non_intrinsic_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 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
787 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
788
789 printk(KERN_INFO
790 "HDMI CP event: CODEC=%d PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
791 codec->addr,
792 tag,
793 subtag,
794 cp_state,
795 cp_ready);
796
797 /* TODO */
798 if (cp_state)
799 ;
800 if (cp_ready)
801 ;
802 }
803
804
805 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
806 {
807 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
808 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
809
810 if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
811 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
812 return;
813 }
814
815 if (subtag == 0)
816 hdmi_intrinsic_event(codec, res);
817 else
818 hdmi_non_intrinsic_event(codec, res);
819 }
820
821 /*
822 * Callbacks
823 */
824
825 /* HBR should be Non-PCM, 8 channels */
826 #define is_hbr_format(format) \
827 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
828
829 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
830 hda_nid_t pin_nid, u32 stream_tag, int format)
831 {
832 int pinctl;
833 int new_pinctl = 0;
834
835 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
836 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
837 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
838
839 new_pinctl = pinctl & ~AC_PINCTL_EPT;
840 if (is_hbr_format(format))
841 new_pinctl |= AC_PINCTL_EPT_HBR;
842 else
843 new_pinctl |= AC_PINCTL_EPT_NATIVE;
844
845 snd_printdd("hdmi_setup_stream: "
846 "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
856 }
857 if (is_hbr_format(format) && !new_pinctl) {
858 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
859 return -EINVAL;
860 }
861
862 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
863 return 0;
864 }
865
866 /*
867 * HDA PCM callbacks
868 */
869 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
870 struct hda_codec *codec,
871 struct snd_pcm_substream *substream)
872 {
873 struct hdmi_spec *spec = codec->spec;
874 struct snd_pcm_runtime *runtime = substream->runtime;
875 int pin_idx, cvt_idx, mux_idx = 0;
876 struct hdmi_spec_per_pin *per_pin;
877 struct hdmi_eld *eld;
878 struct hdmi_spec_per_cvt *per_cvt = NULL;
879 int pinctl;
880
881 /* Validate hinfo */
882 pin_idx = hinfo_to_pin_index(spec, hinfo);
883 if (snd_BUG_ON(pin_idx < 0))
884 return -EINVAL;
885 per_pin = &spec->pins[pin_idx];
886 eld = &per_pin->sink_eld;
887
888 /* Dynamically assign converter to stream */
889 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
890 per_cvt = &spec->cvts[cvt_idx];
891
892 /* Must not already be assigned */
893 if (per_cvt->assigned)
894 continue;
895 /* Must be in pin's mux's list of converters */
896 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
897 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
898 break;
899 /* Not in mux list */
900 if (mux_idx == per_pin->num_mux_nids)
901 continue;
902 break;
903 }
904 /* No free converters */
905 if (cvt_idx == spec->num_cvts)
906 return -ENODEV;
907
908 /* Claim converter */
909 per_cvt->assigned = 1;
910 hinfo->nid = per_cvt->cvt_nid;
911
912 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
913 AC_VERB_SET_CONNECT_SEL,
914 mux_idx);
915 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
916 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
917 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
918 AC_VERB_SET_PIN_WIDGET_CONTROL,
919 pinctl | PIN_OUT);
920 snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
921
922 /* Initially set the converter's capabilities */
923 hinfo->channels_min = per_cvt->channels_min;
924 hinfo->channels_max = per_cvt->channels_max;
925 hinfo->rates = per_cvt->rates;
926 hinfo->formats = per_cvt->formats;
927 hinfo->maxbps = per_cvt->maxbps;
928
929 /* Restrict capabilities by ELD if this isn't disabled */
930 if (!static_hdmi_pcm && eld->eld_valid) {
931 snd_hdmi_eld_update_pcm_info(eld, hinfo);
932 if (hinfo->channels_min > hinfo->channels_max ||
933 !hinfo->rates || !hinfo->formats)
934 return -ENODEV;
935 }
936
937 /* Store the updated parameters */
938 runtime->hw.channels_min = hinfo->channels_min;
939 runtime->hw.channels_max = hinfo->channels_max;
940 runtime->hw.formats = hinfo->formats;
941 runtime->hw.rates = hinfo->rates;
942
943 snd_pcm_hw_constraint_step(substream->runtime, 0,
944 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
945 return 0;
946 }
947
948 /*
949 * HDA/HDMI auto parsing
950 */
951 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
952 {
953 struct hdmi_spec *spec = codec->spec;
954 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
955 hda_nid_t pin_nid = per_pin->pin_nid;
956
957 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
958 snd_printk(KERN_WARNING
959 "HDMI: pin %d wcaps %#x "
960 "does not support connection list\n",
961 pin_nid, get_wcaps(codec, pin_nid));
962 return -EINVAL;
963 }
964
965 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
966 per_pin->mux_nids,
967 HDA_MAX_CONNECTIONS);
968
969 return 0;
970 }
971
972 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
973 {
974 struct hda_codec *codec = per_pin->codec;
975 struct hdmi_eld *eld = &per_pin->sink_eld;
976 hda_nid_t pin_nid = per_pin->pin_nid;
977 /*
978 * Always execute a GetPinSense verb here, even when called from
979 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
980 * response's PD bit is not the real PD value, but indicates that
981 * the real PD value changed. An older version of the HD-audio
982 * specification worked this way. Hence, we just ignore the data in
983 * the unsolicited response to avoid custom WARs.
984 */
985 int present = snd_hda_pin_sense(codec, pin_nid);
986 bool eld_valid = false;
987
988 memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
989
990 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
991 if (eld->monitor_present)
992 eld_valid = !!(present & AC_PINSENSE_ELDV);
993
994 _snd_printd(SND_PR_VERBOSE,
995 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
996 codec->addr, pin_nid, eld->monitor_present, eld_valid);
997
998 if (eld_valid) {
999 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1000 snd_hdmi_show_eld(eld);
1001 else if (repoll) {
1002 queue_delayed_work(codec->bus->workq,
1003 &per_pin->work,
1004 msecs_to_jiffies(300));
1005 }
1006 }
1007 }
1008
1009 static void hdmi_repoll_eld(struct work_struct *work)
1010 {
1011 struct hdmi_spec_per_pin *per_pin =
1012 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1013
1014 if (per_pin->repoll_count++ > 6)
1015 per_pin->repoll_count = 0;
1016
1017 hdmi_present_sense(per_pin, per_pin->repoll_count);
1018 }
1019
1020 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1021 {
1022 struct hdmi_spec *spec = codec->spec;
1023 unsigned int caps, config;
1024 int pin_idx;
1025 struct hdmi_spec_per_pin *per_pin;
1026 int err;
1027
1028 caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1029 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1030 return 0;
1031
1032 config = snd_hda_codec_read(codec, pin_nid, 0,
1033 AC_VERB_GET_CONFIG_DEFAULT, 0);
1034 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1035 return 0;
1036
1037 if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1038 return -E2BIG;
1039
1040 pin_idx = spec->num_pins;
1041 per_pin = &spec->pins[pin_idx];
1042
1043 per_pin->pin_nid = pin_nid;
1044
1045 err = hdmi_read_pin_conn(codec, pin_idx);
1046 if (err < 0)
1047 return err;
1048
1049 spec->num_pins++;
1050
1051 return 0;
1052 }
1053
1054 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1055 {
1056 struct hdmi_spec *spec = codec->spec;
1057 int cvt_idx;
1058 struct hdmi_spec_per_cvt *per_cvt;
1059 unsigned int chans;
1060 int err;
1061
1062 if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1063 return -E2BIG;
1064
1065 chans = get_wcaps(codec, cvt_nid);
1066 chans = get_wcaps_channels(chans);
1067
1068 cvt_idx = spec->num_cvts;
1069 per_cvt = &spec->cvts[cvt_idx];
1070
1071 per_cvt->cvt_nid = cvt_nid;
1072 per_cvt->channels_min = 2;
1073 if (chans <= 16)
1074 per_cvt->channels_max = chans;
1075
1076 err = snd_hda_query_supported_pcm(codec, cvt_nid,
1077 &per_cvt->rates,
1078 &per_cvt->formats,
1079 &per_cvt->maxbps);
1080 if (err < 0)
1081 return err;
1082
1083 spec->num_cvts++;
1084
1085 return 0;
1086 }
1087
1088 static int hdmi_parse_codec(struct hda_codec *codec)
1089 {
1090 hda_nid_t nid;
1091 int i, nodes;
1092
1093 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1094 if (!nid || nodes < 0) {
1095 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1096 return -EINVAL;
1097 }
1098
1099 for (i = 0; i < nodes; i++, nid++) {
1100 unsigned int caps;
1101 unsigned int type;
1102
1103 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1104 type = get_wcaps_type(caps);
1105
1106 if (!(caps & AC_WCAP_DIGITAL))
1107 continue;
1108
1109 switch (type) {
1110 case AC_WID_AUD_OUT:
1111 hdmi_add_cvt(codec, nid);
1112 break;
1113 case AC_WID_PIN:
1114 hdmi_add_pin(codec, nid);
1115 break;
1116 }
1117 }
1118
1119 /*
1120 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1121 * can be lost and presence sense verb will become inaccurate if the
1122 * HDA link is powered off at hot plug or hw initialization time.
1123 */
1124 #ifdef CONFIG_SND_HDA_POWER_SAVE
1125 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1126 AC_PWRST_EPSS))
1127 codec->bus->power_keep_link_on = 1;
1128 #endif
1129
1130 return 0;
1131 }
1132
1133 /*
1134 */
1135 static char *get_hdmi_pcm_name(int idx)
1136 {
1137 static char names[MAX_HDMI_PINS][8];
1138 sprintf(&names[idx][0], "HDMI %d", idx);
1139 return &names[idx][0];
1140 }
1141
1142 /*
1143 * HDMI callbacks
1144 */
1145
1146 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1147 struct hda_codec *codec,
1148 unsigned int stream_tag,
1149 unsigned int format,
1150 struct snd_pcm_substream *substream)
1151 {
1152 hda_nid_t cvt_nid = hinfo->nid;
1153 struct hdmi_spec *spec = codec->spec;
1154 int pin_idx = hinfo_to_pin_index(spec, hinfo);
1155 hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1156
1157 hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1158
1159 hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1160
1161 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1162 }
1163
1164 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1165 struct hda_codec *codec,
1166 struct snd_pcm_substream *substream)
1167 {
1168 struct hdmi_spec *spec = codec->spec;
1169 int cvt_idx, pin_idx;
1170 struct hdmi_spec_per_cvt *per_cvt;
1171 struct hdmi_spec_per_pin *per_pin;
1172 int pinctl;
1173
1174 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1175
1176 if (hinfo->nid) {
1177 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1178 if (snd_BUG_ON(cvt_idx < 0))
1179 return -EINVAL;
1180 per_cvt = &spec->cvts[cvt_idx];
1181
1182 snd_BUG_ON(!per_cvt->assigned);
1183 per_cvt->assigned = 0;
1184 hinfo->nid = 0;
1185
1186 pin_idx = hinfo_to_pin_index(spec, hinfo);
1187 if (snd_BUG_ON(pin_idx < 0))
1188 return -EINVAL;
1189 per_pin = &spec->pins[pin_idx];
1190
1191 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1192 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1193 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1194 AC_VERB_SET_PIN_WIDGET_CONTROL,
1195 pinctl & ~PIN_OUT);
1196 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1197 }
1198
1199 return 0;
1200 }
1201
1202 static const struct hda_pcm_ops generic_ops = {
1203 .open = hdmi_pcm_open,
1204 .prepare = generic_hdmi_playback_pcm_prepare,
1205 .cleanup = generic_hdmi_playback_pcm_cleanup,
1206 };
1207
1208 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1209 {
1210 struct hdmi_spec *spec = codec->spec;
1211 int pin_idx;
1212
1213 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1214 struct hda_pcm *info;
1215 struct hda_pcm_stream *pstr;
1216
1217 info = &spec->pcm_rec[pin_idx];
1218 info->name = get_hdmi_pcm_name(pin_idx);
1219 info->pcm_type = HDA_PCM_TYPE_HDMI;
1220
1221 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1222 pstr->substreams = 1;
1223 pstr->ops = generic_ops;
1224 /* other pstr fields are set in open */
1225 }
1226
1227 codec->num_pcms = spec->num_pins;
1228 codec->pcm_info = spec->pcm_rec;
1229
1230 return 0;
1231 }
1232
1233 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1234 {
1235 char hdmi_str[32] = "HDMI/DP";
1236 struct hdmi_spec *spec = codec->spec;
1237 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1238 int pcmdev = spec->pcm_rec[pin_idx].device;
1239
1240 if (pcmdev > 0)
1241 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1242
1243 return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1244 }
1245
1246 static int generic_hdmi_build_controls(struct hda_codec *codec)
1247 {
1248 struct hdmi_spec *spec = codec->spec;
1249 int err;
1250 int pin_idx;
1251
1252 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1253 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1254
1255 err = generic_hdmi_build_jack(codec, pin_idx);
1256 if (err < 0)
1257 return err;
1258
1259 err = snd_hda_create_spdif_out_ctls(codec,
1260 per_pin->pin_nid,
1261 per_pin->mux_nids[0]);
1262 if (err < 0)
1263 return err;
1264 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1265
1266 /* add control for ELD Bytes */
1267 err = hdmi_create_eld_ctl(codec,
1268 pin_idx,
1269 spec->pcm_rec[pin_idx].device);
1270
1271 if (err < 0)
1272 return err;
1273
1274 hdmi_present_sense(per_pin, 0);
1275 }
1276
1277 return 0;
1278 }
1279
1280 static int generic_hdmi_init(struct hda_codec *codec)
1281 {
1282 struct hdmi_spec *spec = codec->spec;
1283 int pin_idx;
1284
1285 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1286 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1287 hda_nid_t pin_nid = per_pin->pin_nid;
1288 struct hdmi_eld *eld = &per_pin->sink_eld;
1289
1290 hdmi_init_pin(codec, pin_nid);
1291 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1292
1293 per_pin->codec = codec;
1294 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1295 snd_hda_eld_proc_new(codec, eld, pin_idx);
1296 }
1297 snd_hda_jack_report_sync(codec);
1298 return 0;
1299 }
1300
1301 static void generic_hdmi_free(struct hda_codec *codec)
1302 {
1303 struct hdmi_spec *spec = codec->spec;
1304 int pin_idx;
1305
1306 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1307 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1308 struct hdmi_eld *eld = &per_pin->sink_eld;
1309
1310 cancel_delayed_work(&per_pin->work);
1311 snd_hda_eld_proc_free(codec, eld);
1312 }
1313
1314 flush_workqueue(codec->bus->workq);
1315 kfree(spec);
1316 }
1317
1318 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1319 .init = generic_hdmi_init,
1320 .free = generic_hdmi_free,
1321 .build_pcms = generic_hdmi_build_pcms,
1322 .build_controls = generic_hdmi_build_controls,
1323 .unsol_event = hdmi_unsol_event,
1324 };
1325
1326 static int patch_generic_hdmi(struct hda_codec *codec)
1327 {
1328 struct hdmi_spec *spec;
1329
1330 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1331 if (spec == NULL)
1332 return -ENOMEM;
1333
1334 codec->spec = spec;
1335 if (hdmi_parse_codec(codec) < 0) {
1336 codec->spec = NULL;
1337 kfree(spec);
1338 return -EINVAL;
1339 }
1340 codec->patch_ops = generic_hdmi_patch_ops;
1341
1342 init_channel_allocations();
1343
1344 return 0;
1345 }
1346
1347 /*
1348 * Shared non-generic implementations
1349 */
1350
1351 static int simple_playback_build_pcms(struct hda_codec *codec)
1352 {
1353 struct hdmi_spec *spec = codec->spec;
1354 struct hda_pcm *info = spec->pcm_rec;
1355 int i;
1356
1357 codec->num_pcms = spec->num_cvts;
1358 codec->pcm_info = info;
1359
1360 for (i = 0; i < codec->num_pcms; i++, info++) {
1361 unsigned int chans;
1362 struct hda_pcm_stream *pstr;
1363
1364 chans = get_wcaps(codec, spec->cvts[i].cvt_nid);
1365 chans = get_wcaps_channels(chans);
1366
1367 info->name = get_hdmi_pcm_name(i);
1368 info->pcm_type = HDA_PCM_TYPE_HDMI;
1369 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1370 snd_BUG_ON(!spec->pcm_playback);
1371 *pstr = *spec->pcm_playback;
1372 pstr->nid = spec->cvts[i].cvt_nid;
1373 if (pstr->channels_max <= 2 && chans && chans <= 16)
1374 pstr->channels_max = chans;
1375 }
1376
1377 return 0;
1378 }
1379
1380 /* unsolicited event for jack sensing */
1381 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1382 unsigned int res)
1383 {
1384 snd_hda_jack_get_action(codec, res >> AC_UNSOL_RES_TAG_SHIFT);
1385 snd_hda_jack_report_sync(codec);
1386 }
1387
1388 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1389 * as long as spec->pins[] is set correctly
1390 */
1391 #define simple_hdmi_build_jack generic_hdmi_build_jack
1392
1393 static int simple_playback_build_controls(struct hda_codec *codec)
1394 {
1395 struct hdmi_spec *spec = codec->spec;
1396 int err;
1397 int i;
1398
1399 for (i = 0; i < codec->num_pcms; i++) {
1400 err = snd_hda_create_spdif_out_ctls(codec,
1401 spec->cvts[i].cvt_nid,
1402 spec->cvts[i].cvt_nid);
1403 if (err < 0)
1404 return err;
1405 if (codec->patch_ops.unsol_event) {
1406 err = simple_hdmi_build_jack(codec, i);
1407 if (err < 0)
1408 return err;
1409 }
1410 }
1411
1412 return 0;
1413 }
1414
1415 static int simple_playback_init(struct hda_codec *codec)
1416 {
1417 struct hdmi_spec *spec = codec->spec;
1418 int i;
1419
1420 for (i = 0; i < spec->num_pins; i++) {
1421 snd_hda_codec_write(codec, spec->pins[i].pin_nid, 0,
1422 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
1423 /* some codecs require to unmute the pin */
1424 if (get_wcaps(codec, spec->pins[i].pin_nid) & AC_WCAP_OUT_AMP)
1425 snd_hda_codec_write(codec, spec->pins[i].pin_nid, 0,
1426 AC_VERB_SET_AMP_GAIN_MUTE,
1427 AMP_OUT_UNMUTE);
1428 }
1429 snd_hda_jack_report_sync(codec);
1430 return 0;
1431 }
1432
1433 static void simple_playback_free(struct hda_codec *codec)
1434 {
1435 struct hdmi_spec *spec = codec->spec;
1436
1437 kfree(spec);
1438 }
1439
1440 /*
1441 * Nvidia specific implementations
1442 */
1443
1444 #define Nv_VERB_SET_Channel_Allocation 0xF79
1445 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
1446 #define Nv_VERB_SET_Audio_Protection_On 0xF98
1447 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
1448
1449 #define nvhdmi_master_con_nid_7x 0x04
1450 #define nvhdmi_master_pin_nid_7x 0x05
1451
1452 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1453 /*front, rear, clfe, rear_surr */
1454 0x6, 0x8, 0xa, 0xc,
1455 };
1456
1457 static const struct hda_verb nvhdmi_basic_init_7x[] = {
1458 /* set audio protect on */
1459 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1460 /* enable digital output on pin widget */
1461 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1462 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1463 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1464 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1465 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1466 {} /* terminator */
1467 };
1468
1469 #ifdef LIMITED_RATE_FMT_SUPPORT
1470 /* support only the safe format and rate */
1471 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
1472 #define SUPPORTED_MAXBPS 16
1473 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
1474 #else
1475 /* support all rates and formats */
1476 #define SUPPORTED_RATES \
1477 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1478 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1479 SNDRV_PCM_RATE_192000)
1480 #define SUPPORTED_MAXBPS 24
1481 #define SUPPORTED_FORMATS \
1482 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1483 #endif
1484
1485 static int nvhdmi_7x_init(struct hda_codec *codec)
1486 {
1487 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1488 return 0;
1489 }
1490
1491 static unsigned int channels_2_6_8[] = {
1492 2, 6, 8
1493 };
1494
1495 static unsigned int channels_2_8[] = {
1496 2, 8
1497 };
1498
1499 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1500 .count = ARRAY_SIZE(channels_2_6_8),
1501 .list = channels_2_6_8,
1502 .mask = 0,
1503 };
1504
1505 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1506 .count = ARRAY_SIZE(channels_2_8),
1507 .list = channels_2_8,
1508 .mask = 0,
1509 };
1510
1511 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1512 struct hda_codec *codec,
1513 struct snd_pcm_substream *substream)
1514 {
1515 struct hdmi_spec *spec = codec->spec;
1516 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1517
1518 switch (codec->preset->id) {
1519 case 0x10de0002:
1520 case 0x10de0003:
1521 case 0x10de0005:
1522 case 0x10de0006:
1523 hw_constraints_channels = &hw_constraints_2_8_channels;
1524 break;
1525 case 0x10de0007:
1526 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1527 break;
1528 default:
1529 break;
1530 }
1531
1532 if (hw_constraints_channels != NULL) {
1533 snd_pcm_hw_constraint_list(substream->runtime, 0,
1534 SNDRV_PCM_HW_PARAM_CHANNELS,
1535 hw_constraints_channels);
1536 } else {
1537 snd_pcm_hw_constraint_step(substream->runtime, 0,
1538 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1539 }
1540
1541 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1542 }
1543
1544 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1545 struct hda_codec *codec,
1546 struct snd_pcm_substream *substream)
1547 {
1548 struct hdmi_spec *spec = codec->spec;
1549 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1550 }
1551
1552 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1553 struct hda_codec *codec,
1554 unsigned int stream_tag,
1555 unsigned int format,
1556 struct snd_pcm_substream *substream)
1557 {
1558 struct hdmi_spec *spec = codec->spec;
1559 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1560 stream_tag, format, substream);
1561 }
1562
1563 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1564 int channels)
1565 {
1566 unsigned int chanmask;
1567 int chan = channels ? (channels - 1) : 1;
1568
1569 switch (channels) {
1570 default:
1571 case 0:
1572 case 2:
1573 chanmask = 0x00;
1574 break;
1575 case 4:
1576 chanmask = 0x08;
1577 break;
1578 case 6:
1579 chanmask = 0x0b;
1580 break;
1581 case 8:
1582 chanmask = 0x13;
1583 break;
1584 }
1585
1586 /* Set the audio infoframe channel allocation and checksum fields. The
1587 * channel count is computed implicitly by the hardware. */
1588 snd_hda_codec_write(codec, 0x1, 0,
1589 Nv_VERB_SET_Channel_Allocation, chanmask);
1590
1591 snd_hda_codec_write(codec, 0x1, 0,
1592 Nv_VERB_SET_Info_Frame_Checksum,
1593 (0x71 - chan - chanmask));
1594 }
1595
1596 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1597 struct hda_codec *codec,
1598 struct snd_pcm_substream *substream)
1599 {
1600 struct hdmi_spec *spec = codec->spec;
1601 int i;
1602
1603 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1604 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1605 for (i = 0; i < 4; i++) {
1606 /* set the stream id */
1607 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1608 AC_VERB_SET_CHANNEL_STREAMID, 0);
1609 /* set the stream format */
1610 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1611 AC_VERB_SET_STREAM_FORMAT, 0);
1612 }
1613
1614 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1615 * streams are disabled. */
1616 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1617
1618 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1619 }
1620
1621 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1622 struct hda_codec *codec,
1623 unsigned int stream_tag,
1624 unsigned int format,
1625 struct snd_pcm_substream *substream)
1626 {
1627 int chs;
1628 unsigned int dataDCC2, channel_id;
1629 int i;
1630 struct hdmi_spec *spec = codec->spec;
1631 struct hda_spdif_out *spdif;
1632
1633 mutex_lock(&codec->spdif_mutex);
1634 spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1635
1636 chs = substream->runtime->channels;
1637
1638 dataDCC2 = 0x2;
1639
1640 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1641 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1642 snd_hda_codec_write(codec,
1643 nvhdmi_master_con_nid_7x,
1644 0,
1645 AC_VERB_SET_DIGI_CONVERT_1,
1646 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1647
1648 /* set the stream id */
1649 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1650 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1651
1652 /* set the stream format */
1653 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1654 AC_VERB_SET_STREAM_FORMAT, format);
1655
1656 /* turn on again (if needed) */
1657 /* enable and set the channel status audio/data flag */
1658 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1659 snd_hda_codec_write(codec,
1660 nvhdmi_master_con_nid_7x,
1661 0,
1662 AC_VERB_SET_DIGI_CONVERT_1,
1663 spdif->ctls & 0xff);
1664 snd_hda_codec_write(codec,
1665 nvhdmi_master_con_nid_7x,
1666 0,
1667 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1668 }
1669
1670 for (i = 0; i < 4; i++) {
1671 if (chs == 2)
1672 channel_id = 0;
1673 else
1674 channel_id = i * 2;
1675
1676 /* turn off SPDIF once;
1677 *otherwise the IEC958 bits won't be updated
1678 */
1679 if (codec->spdif_status_reset &&
1680 (spdif->ctls & AC_DIG1_ENABLE))
1681 snd_hda_codec_write(codec,
1682 nvhdmi_con_nids_7x[i],
1683 0,
1684 AC_VERB_SET_DIGI_CONVERT_1,
1685 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1686 /* set the stream id */
1687 snd_hda_codec_write(codec,
1688 nvhdmi_con_nids_7x[i],
1689 0,
1690 AC_VERB_SET_CHANNEL_STREAMID,
1691 (stream_tag << 4) | channel_id);
1692 /* set the stream format */
1693 snd_hda_codec_write(codec,
1694 nvhdmi_con_nids_7x[i],
1695 0,
1696 AC_VERB_SET_STREAM_FORMAT,
1697 format);
1698 /* turn on again (if needed) */
1699 /* enable and set the channel status audio/data flag */
1700 if (codec->spdif_status_reset &&
1701 (spdif->ctls & AC_DIG1_ENABLE)) {
1702 snd_hda_codec_write(codec,
1703 nvhdmi_con_nids_7x[i],
1704 0,
1705 AC_VERB_SET_DIGI_CONVERT_1,
1706 spdif->ctls & 0xff);
1707 snd_hda_codec_write(codec,
1708 nvhdmi_con_nids_7x[i],
1709 0,
1710 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1711 }
1712 }
1713
1714 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1715
1716 mutex_unlock(&codec->spdif_mutex);
1717 return 0;
1718 }
1719
1720 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1721 .substreams = 1,
1722 .channels_min = 2,
1723 .channels_max = 8,
1724 .nid = nvhdmi_master_con_nid_7x,
1725 .rates = SUPPORTED_RATES,
1726 .maxbps = SUPPORTED_MAXBPS,
1727 .formats = SUPPORTED_FORMATS,
1728 .ops = {
1729 .open = simple_playback_pcm_open,
1730 .close = nvhdmi_8ch_7x_pcm_close,
1731 .prepare = nvhdmi_8ch_7x_pcm_prepare
1732 },
1733 };
1734
1735 static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1736 .substreams = 1,
1737 .channels_min = 2,
1738 .channels_max = 2,
1739 .nid = nvhdmi_master_con_nid_7x,
1740 .rates = SUPPORTED_RATES,
1741 .maxbps = SUPPORTED_MAXBPS,
1742 .formats = SUPPORTED_FORMATS,
1743 .ops = {
1744 .open = simple_playback_pcm_open,
1745 .close = simple_playback_pcm_close,
1746 .prepare = simple_playback_pcm_prepare
1747 },
1748 };
1749
1750 static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1751 .build_controls = simple_playback_build_controls,
1752 .build_pcms = simple_playback_build_pcms,
1753 .init = nvhdmi_7x_init,
1754 .free = simple_playback_free,
1755 };
1756
1757 static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1758 .build_controls = simple_playback_build_controls,
1759 .build_pcms = simple_playback_build_pcms,
1760 .init = nvhdmi_7x_init,
1761 .free = simple_playback_free,
1762 };
1763
1764 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1765 {
1766 struct hdmi_spec *spec;
1767
1768 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1769 if (spec == NULL)
1770 return -ENOMEM;
1771
1772 codec->spec = spec;
1773
1774 spec->multiout.num_dacs = 0; /* no analog */
1775 spec->multiout.max_channels = 2;
1776 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1777 spec->num_cvts = 1;
1778 spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x;
1779 spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1780
1781 codec->patch_ops = nvhdmi_patch_ops_2ch;
1782
1783 return 0;
1784 }
1785
1786 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1787 {
1788 struct hdmi_spec *spec;
1789 int err = patch_nvhdmi_2ch(codec);
1790
1791 if (err < 0)
1792 return err;
1793 spec = codec->spec;
1794 spec->multiout.max_channels = 8;
1795 spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1796 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1797
1798 /* Initialize the audio infoframe channel mask and checksum to something
1799 * valid */
1800 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1801
1802 return 0;
1803 }
1804
1805 /*
1806 * ATI-specific implementations
1807 *
1808 * FIXME: we may omit the whole this and use the generic code once after
1809 * it's confirmed to work.
1810 */
1811
1812 #define ATIHDMI_CVT_NID 0x02 /* audio converter */
1813 #define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
1814
1815 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1816 struct hda_codec *codec,
1817 unsigned int stream_tag,
1818 unsigned int format,
1819 struct snd_pcm_substream *substream)
1820 {
1821 struct hdmi_spec *spec = codec->spec;
1822 int chans = substream->runtime->channels;
1823 int i, err;
1824
1825 err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1826 substream);
1827 if (err < 0)
1828 return err;
1829 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1830 AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1831 /* FIXME: XXX */
1832 for (i = 0; i < chans; i++) {
1833 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1834 AC_VERB_SET_HDMI_CHAN_SLOT,
1835 (i << 4) | i);
1836 }
1837 return 0;
1838 }
1839
1840 static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1841 .substreams = 1,
1842 .channels_min = 2,
1843 .channels_max = 2,
1844 .nid = ATIHDMI_CVT_NID,
1845 .ops = {
1846 .open = simple_playback_pcm_open,
1847 .close = simple_playback_pcm_close,
1848 .prepare = atihdmi_playback_pcm_prepare
1849 },
1850 };
1851
1852 static const struct hda_codec_ops atihdmi_patch_ops = {
1853 .build_controls = simple_playback_build_controls,
1854 .build_pcms = simple_playback_build_pcms,
1855 .init = simple_playback_init,
1856 .free = simple_playback_free,
1857 };
1858
1859
1860 static int patch_atihdmi(struct hda_codec *codec)
1861 {
1862 struct hdmi_spec *spec;
1863
1864 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1865 if (spec == NULL)
1866 return -ENOMEM;
1867
1868 codec->spec = spec;
1869
1870 spec->multiout.num_dacs = 0; /* no analog */
1871 spec->multiout.max_channels = 2;
1872 spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1873 spec->num_cvts = 1;
1874 spec->num_pins = 1;
1875 spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID;
1876 spec->pins[0].pin_nid = ATIHDMI_PIN_NID;
1877 spec->pcm_playback = &atihdmi_pcm_digital_playback;
1878
1879 codec->patch_ops = atihdmi_patch_ops;
1880
1881 return 0;
1882 }
1883
1884 /* VIA HDMI Implementation */
1885 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
1886 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
1887
1888 static const struct hda_codec_ops via_hdmi_patch_ops = {
1889 .build_controls = simple_playback_build_controls,
1890 .build_pcms = simple_playback_build_pcms,
1891 .init = simple_playback_init,
1892 .free = simple_playback_free,
1893 .unsol_event = simple_hdmi_unsol_event,
1894 };
1895
1896 static struct hda_pcm_stream via_hdmi_digital_playback = {
1897 .substreams = 1,
1898 .channels_min = 2,
1899 .channels_max = 2,
1900 .nid = VIAHDMI_CVT_NID, /* NID to query formats and rates*/
1901 .ops = {
1902 .open = simple_playback_pcm_open,
1903 .close = simple_playback_pcm_close,
1904 .prepare = simple_playback_pcm_prepare
1905 },
1906 };
1907
1908 static int patch_via_hdmi(struct hda_codec *codec)
1909 {
1910 struct hdmi_spec *spec;
1911
1912 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1913 if (spec == NULL)
1914 return -ENOMEM;
1915
1916 spec->multiout.num_dacs = 0; /* no analog */
1917 spec->multiout.max_channels = 2;
1918 spec->multiout.dig_out_nid = VIAHDMI_CVT_NID; /* pure-digital case */
1919 spec->num_cvts = 1;
1920 spec->num_pins = 1;
1921 spec->cvts[0].cvt_nid = VIAHDMI_CVT_NID;
1922 spec->pins[0].pin_nid = VIAHDMI_PIN_NID;
1923 spec->pcm_playback = &via_hdmi_digital_playback;
1924
1925 codec->spec = spec;
1926 codec->patch_ops = via_hdmi_patch_ops;
1927
1928 return 0;
1929 }
1930
1931 /*
1932 * patch entries
1933 */
1934 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1935 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
1936 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
1937 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
1938 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_generic_hdmi },
1939 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
1940 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
1941 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
1942 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1943 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1944 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1945 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1946 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
1947 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_generic_hdmi },
1948 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi },
1949 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi },
1950 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi },
1951 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi },
1952 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi },
1953 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi },
1954 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi },
1955 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi },
1956 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi },
1957 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi },
1958 /* 17 is known to be absent */
1959 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi },
1960 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi },
1961 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi },
1962 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi },
1963 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi },
1964 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi },
1965 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi },
1966 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi },
1967 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi },
1968 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi },
1969 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
1970 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
1971 { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
1972 { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
1973 { .id = 0x11069f84, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi },
1974 { .id = 0x11069f85, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi },
1975 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1976 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
1977 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
1978 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
1979 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1980 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1981 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1982 { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi },
1983 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
1984 {} /* terminator */
1985 };
1986
1987 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1988 MODULE_ALIAS("snd-hda-codec-id:10027919");
1989 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1990 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1991 MODULE_ALIAS("snd-hda-codec-id:10951390");
1992 MODULE_ALIAS("snd-hda-codec-id:10951392");
1993 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1994 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1995 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1996 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1997 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1998 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1999 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2000 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2001 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2002 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2003 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2004 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2005 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2006 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2007 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2008 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2009 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2010 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2011 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2012 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2013 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2014 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2015 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2016 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2017 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2018 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2019 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2020 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2021 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2022 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2023 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2024 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2025 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2026 MODULE_ALIAS("snd-hda-codec-id:80860054");
2027 MODULE_ALIAS("snd-hda-codec-id:80862801");
2028 MODULE_ALIAS("snd-hda-codec-id:80862802");
2029 MODULE_ALIAS("snd-hda-codec-id:80862803");
2030 MODULE_ALIAS("snd-hda-codec-id:80862804");
2031 MODULE_ALIAS("snd-hda-codec-id:80862805");
2032 MODULE_ALIAS("snd-hda-codec-id:80862806");
2033 MODULE_ALIAS("snd-hda-codec-id:80862880");
2034 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2035
2036 MODULE_LICENSE("GPL");
2037 MODULE_DESCRIPTION("HDMI HD-audio codec");
2038 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2039 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2040 MODULE_ALIAS("snd-hda-codec-atihdmi");
2041
2042 static struct hda_codec_preset_list intel_list = {
2043 .preset = snd_hda_preset_hdmi,
2044 .owner = THIS_MODULE,
2045 };
2046
2047 static int __init patch_hdmi_init(void)
2048 {
2049 return snd_hda_add_codec_preset(&intel_list);
2050 }
2051
2052 static void __exit patch_hdmi_exit(void)
2053 {
2054 snd_hda_delete_codec_preset(&intel_list);
2055 }
2056
2057 module_init(patch_hdmi_init)
2058 module_exit(patch_hdmi_exit)
Linux kernel - Deliverables
This page took 0.071673 seconds and 4 git commands to generate.