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ALSA: hda - use generic hdmi parser for ATI R6xx codec
[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 <sound/core.h>
35 #include "hda_codec.h"
36 #include "hda_local.h"
37
38 /*
39 * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
40 * could support two independent pipes, each of them can be connected to one or
41 * more ports (DVI, HDMI or DisplayPort).
42 *
43 * The HDA correspondence of pipes/ports are converter/pin nodes.
44 */
45 #define MAX_HDMI_CVTS 3
46 #define MAX_HDMI_PINS 3
47
48 struct hdmi_spec {
49 int num_cvts;
50 int num_pins;
51 hda_nid_t cvt[MAX_HDMI_CVTS+1]; /* audio sources */
52 hda_nid_t pin[MAX_HDMI_PINS+1]; /* audio sinks */
53
54 /*
55 * source connection for each pin
56 */
57 hda_nid_t pin_cvt[MAX_HDMI_PINS+1];
58
59 /*
60 * HDMI sink attached to each pin
61 */
62 struct hdmi_eld sink_eld[MAX_HDMI_PINS];
63
64 /*
65 * export one pcm per pipe
66 */
67 struct hda_pcm pcm_rec[MAX_HDMI_CVTS];
68 struct hda_pcm_stream codec_pcm_pars[MAX_HDMI_CVTS];
69
70 /*
71 * ati/nvhdmi specific
72 */
73 struct hda_multi_out multiout;
74 struct hda_pcm_stream *pcm_playback;
75
76 /* misc flags */
77 /* PD bit indicates only the update, not the current state */
78 unsigned int old_pin_detect:1;
79 };
80
81
82 struct hdmi_audio_infoframe {
83 u8 type; /* 0x84 */
84 u8 ver; /* 0x01 */
85 u8 len; /* 0x0a */
86
87 u8 checksum;
88
89 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
90 u8 SS01_SF24;
91 u8 CXT04;
92 u8 CA;
93 u8 LFEPBL01_LSV36_DM_INH7;
94 };
95
96 struct dp_audio_infoframe {
97 u8 type; /* 0x84 */
98 u8 len; /* 0x1b */
99 u8 ver; /* 0x11 << 2 */
100
101 u8 CC02_CT47; /* match with HDMI infoframe from this on */
102 u8 SS01_SF24;
103 u8 CXT04;
104 u8 CA;
105 u8 LFEPBL01_LSV36_DM_INH7;
106 };
107
108 /*
109 * CEA speaker placement:
110 *
111 * FLH FCH FRH
112 * FLW FL FLC FC FRC FR FRW
113 *
114 * LFE
115 * TC
116 *
117 * RL RLC RC RRC RR
118 *
119 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
120 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
121 */
122 enum cea_speaker_placement {
123 FL = (1 << 0), /* Front Left */
124 FC = (1 << 1), /* Front Center */
125 FR = (1 << 2), /* Front Right */
126 FLC = (1 << 3), /* Front Left Center */
127 FRC = (1 << 4), /* Front Right Center */
128 RL = (1 << 5), /* Rear Left */
129 RC = (1 << 6), /* Rear Center */
130 RR = (1 << 7), /* Rear Right */
131 RLC = (1 << 8), /* Rear Left Center */
132 RRC = (1 << 9), /* Rear Right Center */
133 LFE = (1 << 10), /* Low Frequency Effect */
134 FLW = (1 << 11), /* Front Left Wide */
135 FRW = (1 << 12), /* Front Right Wide */
136 FLH = (1 << 13), /* Front Left High */
137 FCH = (1 << 14), /* Front Center High */
138 FRH = (1 << 15), /* Front Right High */
139 TC = (1 << 16), /* Top Center */
140 };
141
142 /*
143 * ELD SA bits in the CEA Speaker Allocation data block
144 */
145 static int eld_speaker_allocation_bits[] = {
146 [0] = FL | FR,
147 [1] = LFE,
148 [2] = FC,
149 [3] = RL | RR,
150 [4] = RC,
151 [5] = FLC | FRC,
152 [6] = RLC | RRC,
153 /* the following are not defined in ELD yet */
154 [7] = FLW | FRW,
155 [8] = FLH | FRH,
156 [9] = TC,
157 [10] = FCH,
158 };
159
160 struct cea_channel_speaker_allocation {
161 int ca_index;
162 int speakers[8];
163
164 /* derived values, just for convenience */
165 int channels;
166 int spk_mask;
167 };
168
169 /*
170 * ALSA sequence is:
171 *
172 * surround40 surround41 surround50 surround51 surround71
173 * ch0 front left = = = =
174 * ch1 front right = = = =
175 * ch2 rear left = = = =
176 * ch3 rear right = = = =
177 * ch4 LFE center center center
178 * ch5 LFE LFE
179 * ch6 side left
180 * ch7 side right
181 *
182 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
183 */
184 static int hdmi_channel_mapping[0x32][8] = {
185 /* stereo */
186 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
187 /* 2.1 */
188 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
189 /* Dolby Surround */
190 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
191 /* surround40 */
192 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
193 /* 4ch */
194 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
195 /* surround41 */
196 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
197 /* surround50 */
198 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
199 /* surround51 */
200 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
201 /* 7.1 */
202 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
203 };
204
205 /*
206 * This is an ordered list!
207 *
208 * The preceding ones have better chances to be selected by
209 * hdmi_channel_allocation().
210 */
211 static struct cea_channel_speaker_allocation channel_allocations[] = {
212 /* channel: 7 6 5 4 3 2 1 0 */
213 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
214 /* 2.1 */
215 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
216 /* Dolby Surround */
217 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
218 /* surround40 */
219 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
220 /* surround41 */
221 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
222 /* surround50 */
223 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
224 /* surround51 */
225 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
226 /* 6.1 */
227 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
228 /* surround71 */
229 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
230
231 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
232 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
233 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
234 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
235 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
236 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
237 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
238 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
239 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
240 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
241 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
242 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
243 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
244 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
245 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
246 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
247 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
248 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
249 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
250 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
251 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
252 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
253 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
254 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
255 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
256 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
257 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
258 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
259 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
260 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
261 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
262 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
263 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
264 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
265 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
266 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
267 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
268 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
269 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
270 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
271 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
272 };
273
274
275 /*
276 * HDMI routines
277 */
278
279 static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
280 {
281 int i;
282
283 for (i = 0; nids[i]; i++)
284 if (nids[i] == nid)
285 return i;
286
287 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
288 return -EINVAL;
289 }
290
291 static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
292 struct hdmi_eld *eld)
293 {
294 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
295 snd_hdmi_show_eld(eld);
296 }
297
298 #ifdef BE_PARANOID
299 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
300 int *packet_index, int *byte_index)
301 {
302 int val;
303
304 val = snd_hda_codec_read(codec, pin_nid, 0,
305 AC_VERB_GET_HDMI_DIP_INDEX, 0);
306
307 *packet_index = val >> 5;
308 *byte_index = val & 0x1f;
309 }
310 #endif
311
312 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
313 int packet_index, int byte_index)
314 {
315 int val;
316
317 val = (packet_index << 5) | (byte_index & 0x1f);
318
319 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
320 }
321
322 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
323 unsigned char val)
324 {
325 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
326 }
327
328 static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
329 {
330 /* Unmute */
331 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
332 snd_hda_codec_write(codec, pin_nid, 0,
333 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
334 /* Enable pin out */
335 snd_hda_codec_write(codec, pin_nid, 0,
336 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
337 }
338
339 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
340 {
341 return 1 + snd_hda_codec_read(codec, nid, 0,
342 AC_VERB_GET_CVT_CHAN_COUNT, 0);
343 }
344
345 static void hdmi_set_channel_count(struct hda_codec *codec,
346 hda_nid_t nid, int chs)
347 {
348 if (chs != hdmi_get_channel_count(codec, nid))
349 snd_hda_codec_write(codec, nid, 0,
350 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
351 }
352
353
354 /*
355 * Channel mapping routines
356 */
357
358 /*
359 * Compute derived values in channel_allocations[].
360 */
361 static void init_channel_allocations(void)
362 {
363 int i, j;
364 struct cea_channel_speaker_allocation *p;
365
366 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
367 p = channel_allocations + i;
368 p->channels = 0;
369 p->spk_mask = 0;
370 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
371 if (p->speakers[j]) {
372 p->channels++;
373 p->spk_mask |= p->speakers[j];
374 }
375 }
376 }
377
378 /*
379 * The transformation takes two steps:
380 *
381 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
382 * spk_mask => (channel_allocations[]) => ai->CA
383 *
384 * TODO: it could select the wrong CA from multiple candidates.
385 */
386 static int hdmi_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
387 int channels)
388 {
389 struct hdmi_spec *spec = codec->spec;
390 struct hdmi_eld *eld;
391 int i;
392 int ca = 0;
393 int spk_mask = 0;
394 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
395
396 /*
397 * CA defaults to 0 for basic stereo audio
398 */
399 if (channels <= 2)
400 return 0;
401
402 i = hda_node_index(spec->pin_cvt, nid);
403 if (i < 0)
404 return 0;
405 eld = &spec->sink_eld[i];
406
407 /*
408 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
409 * in console or for audio devices. Assume the highest speakers
410 * configuration, to _not_ prohibit multi-channel audio playback.
411 */
412 if (!eld->spk_alloc)
413 eld->spk_alloc = 0xffff;
414
415 /*
416 * expand ELD's speaker allocation mask
417 *
418 * ELD tells the speaker mask in a compact(paired) form,
419 * expand ELD's notions to match the ones used by Audio InfoFrame.
420 */
421 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
422 if (eld->spk_alloc & (1 << i))
423 spk_mask |= eld_speaker_allocation_bits[i];
424 }
425
426 /* search for the first working match in the CA table */
427 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
428 if (channels == channel_allocations[i].channels &&
429 (spk_mask & channel_allocations[i].spk_mask) ==
430 channel_allocations[i].spk_mask) {
431 ca = channel_allocations[i].ca_index;
432 break;
433 }
434 }
435
436 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
437 snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
438 ca, channels, buf);
439
440 return ca;
441 }
442
443 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
444 hda_nid_t pin_nid)
445 {
446 #ifdef CONFIG_SND_DEBUG_VERBOSE
447 int i;
448 int slot;
449
450 for (i = 0; i < 8; i++) {
451 slot = snd_hda_codec_read(codec, pin_nid, 0,
452 AC_VERB_GET_HDMI_CHAN_SLOT, i);
453 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
454 slot >> 4, slot & 0xf);
455 }
456 #endif
457 }
458
459
460 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
461 hda_nid_t pin_nid,
462 int ca)
463 {
464 int i;
465 int err;
466
467 if (hdmi_channel_mapping[ca][1] == 0) {
468 for (i = 0; i < channel_allocations[ca].channels; i++)
469 hdmi_channel_mapping[ca][i] = i | (i << 4);
470 for (; i < 8; i++)
471 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
472 }
473
474 for (i = 0; i < 8; i++) {
475 err = snd_hda_codec_write(codec, pin_nid, 0,
476 AC_VERB_SET_HDMI_CHAN_SLOT,
477 hdmi_channel_mapping[ca][i]);
478 if (err) {
479 snd_printdd(KERN_NOTICE
480 "HDMI: channel mapping failed\n");
481 break;
482 }
483 }
484
485 hdmi_debug_channel_mapping(codec, pin_nid);
486 }
487
488
489 /*
490 * Audio InfoFrame routines
491 */
492
493 /*
494 * Enable Audio InfoFrame Transmission
495 */
496 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
497 hda_nid_t pin_nid)
498 {
499 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
500 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
501 AC_DIPXMIT_BEST);
502 }
503
504 /*
505 * Disable Audio InfoFrame Transmission
506 */
507 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
508 hda_nid_t pin_nid)
509 {
510 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
511 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
512 AC_DIPXMIT_DISABLE);
513 }
514
515 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
516 {
517 #ifdef CONFIG_SND_DEBUG_VERBOSE
518 int i;
519 int size;
520
521 size = snd_hdmi_get_eld_size(codec, pin_nid);
522 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
523
524 for (i = 0; i < 8; i++) {
525 size = snd_hda_codec_read(codec, pin_nid, 0,
526 AC_VERB_GET_HDMI_DIP_SIZE, i);
527 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
528 }
529 #endif
530 }
531
532 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
533 {
534 #ifdef BE_PARANOID
535 int i, j;
536 int size;
537 int pi, bi;
538 for (i = 0; i < 8; i++) {
539 size = snd_hda_codec_read(codec, pin_nid, 0,
540 AC_VERB_GET_HDMI_DIP_SIZE, i);
541 if (size == 0)
542 continue;
543
544 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
545 for (j = 1; j < 1000; j++) {
546 hdmi_write_dip_byte(codec, pin_nid, 0x0);
547 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
548 if (pi != i)
549 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
550 bi, pi, i);
551 if (bi == 0) /* byte index wrapped around */
552 break;
553 }
554 snd_printd(KERN_INFO
555 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
556 i, size, j);
557 }
558 #endif
559 }
560
561 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
562 {
563 u8 *bytes = (u8 *)hdmi_ai;
564 u8 sum = 0;
565 int i;
566
567 hdmi_ai->checksum = 0;
568
569 for (i = 0; i < sizeof(*hdmi_ai); i++)
570 sum += bytes[i];
571
572 hdmi_ai->checksum = -sum;
573 }
574
575 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
576 hda_nid_t pin_nid,
577 u8 *dip, int size)
578 {
579 int i;
580
581 hdmi_debug_dip_size(codec, pin_nid);
582 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
583
584 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
585 for (i = 0; i < size; i++)
586 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
587 }
588
589 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
590 u8 *dip, int size)
591 {
592 u8 val;
593 int i;
594
595 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
596 != AC_DIPXMIT_BEST)
597 return false;
598
599 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
600 for (i = 0; i < size; i++) {
601 val = snd_hda_codec_read(codec, pin_nid, 0,
602 AC_VERB_GET_HDMI_DIP_DATA, 0);
603 if (val != dip[i])
604 return false;
605 }
606
607 return true;
608 }
609
610 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
611 struct snd_pcm_substream *substream)
612 {
613 struct hdmi_spec *spec = codec->spec;
614 hda_nid_t pin_nid;
615 int channels = substream->runtime->channels;
616 int ca;
617 int i;
618 u8 ai[max(sizeof(struct hdmi_audio_infoframe),
619 sizeof(struct dp_audio_infoframe))];
620
621 ca = hdmi_channel_allocation(codec, nid, channels);
622
623 for (i = 0; i < spec->num_pins; i++) {
624 if (spec->pin_cvt[i] != nid)
625 continue;
626 if (!spec->sink_eld[i].monitor_present)
627 continue;
628
629 pin_nid = spec->pin[i];
630
631 memset(ai, 0, sizeof(ai));
632 if (spec->sink_eld[i].conn_type == 0) { /* HDMI */
633 struct hdmi_audio_infoframe *hdmi_ai;
634
635 hdmi_ai = (struct hdmi_audio_infoframe *)ai;
636 hdmi_ai->type = 0x84;
637 hdmi_ai->ver = 0x01;
638 hdmi_ai->len = 0x0a;
639 hdmi_ai->CC02_CT47 = channels - 1;
640 hdmi_checksum_audio_infoframe(hdmi_ai);
641 } else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */
642 struct dp_audio_infoframe *dp_ai;
643
644 dp_ai = (struct dp_audio_infoframe *)ai;
645 dp_ai->type = 0x84;
646 dp_ai->len = 0x1b;
647 dp_ai->ver = 0x11 << 2;
648 dp_ai->CC02_CT47 = channels - 1;
649 } else {
650 snd_printd("HDMI: unknown connection type at pin %d\n",
651 pin_nid);
652 continue;
653 }
654
655 /*
656 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
657 * sizeof(*dp_ai) to avoid partial match/update problems when
658 * the user switches between HDMI/DP monitors.
659 */
660 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai, sizeof(ai))) {
661 snd_printdd("hdmi_setup_audio_infoframe: "
662 "cvt=%d pin=%d channels=%d\n",
663 nid, pin_nid,
664 channels);
665 hdmi_setup_channel_mapping(codec, pin_nid, ca);
666 hdmi_stop_infoframe_trans(codec, pin_nid);
667 hdmi_fill_audio_infoframe(codec, pin_nid,
668 ai, sizeof(ai));
669 hdmi_start_infoframe_trans(codec, pin_nid);
670 }
671 }
672 }
673
674
675 /*
676 * Unsolicited events
677 */
678
679 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
680 struct hdmi_eld *eld);
681
682 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
683 {
684 struct hdmi_spec *spec = codec->spec;
685 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
686 int pind = !!(res & AC_UNSOL_RES_PD);
687 int eldv = !!(res & AC_UNSOL_RES_ELDV);
688 int index;
689
690 printk(KERN_INFO
691 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
692 tag, pind, eldv);
693
694 index = hda_node_index(spec->pin, tag);
695 if (index < 0)
696 return;
697
698 if (spec->old_pin_detect) {
699 if (pind)
700 hdmi_present_sense(codec, tag, &spec->sink_eld[index]);
701 pind = spec->sink_eld[index].monitor_present;
702 }
703
704 spec->sink_eld[index].monitor_present = pind;
705 spec->sink_eld[index].eld_valid = eldv;
706
707 if (pind && eldv) {
708 hdmi_get_show_eld(codec, spec->pin[index],
709 &spec->sink_eld[index]);
710 /* TODO: do real things about ELD */
711 }
712 }
713
714 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
715 {
716 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
717 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
718 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
719 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
720
721 printk(KERN_INFO
722 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
723 tag,
724 subtag,
725 cp_state,
726 cp_ready);
727
728 /* TODO */
729 if (cp_state)
730 ;
731 if (cp_ready)
732 ;
733 }
734
735
736 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
737 {
738 struct hdmi_spec *spec = codec->spec;
739 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
740 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
741
742 if (hda_node_index(spec->pin, tag) < 0) {
743 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
744 return;
745 }
746
747 if (subtag == 0)
748 hdmi_intrinsic_event(codec, res);
749 else
750 hdmi_non_intrinsic_event(codec, res);
751 }
752
753 /*
754 * Callbacks
755 */
756
757 /* HBR should be Non-PCM, 8 channels */
758 #define is_hbr_format(format) \
759 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
760
761 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
762 u32 stream_tag, int format)
763 {
764 struct hdmi_spec *spec = codec->spec;
765 int pinctl;
766 int new_pinctl = 0;
767 int i;
768
769 for (i = 0; i < spec->num_pins; i++) {
770 if (spec->pin_cvt[i] != nid)
771 continue;
772 if (!(snd_hda_query_pin_caps(codec, spec->pin[i]) & AC_PINCAP_HBR))
773 continue;
774
775 pinctl = snd_hda_codec_read(codec, spec->pin[i], 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 spec->pin[i],
787 pinctl == new_pinctl ? "" : "new-",
788 new_pinctl);
789
790 if (pinctl != new_pinctl)
791 snd_hda_codec_write(codec, spec->pin[i], 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, nid, stream_tag, 0, format);
802 return 0;
803 }
804
805 /*
806 * HDA PCM callbacks
807 */
808 static 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 hdmi_eld *eld;
814 struct hda_pcm_stream *codec_pars;
815 unsigned int idx;
816
817 for (idx = 0; idx < spec->num_cvts; idx++)
818 if (hinfo->nid == spec->cvt[idx])
819 break;
820 if (snd_BUG_ON(idx >= spec->num_cvts) ||
821 snd_BUG_ON(idx >= spec->num_pins))
822 return -EINVAL;
823
824 /* save the PCM info the codec provides */
825 codec_pars = &spec->codec_pcm_pars[idx];
826 if (!codec_pars->rates)
827 *codec_pars = *hinfo;
828
829 eld = &spec->sink_eld[idx];
830 if (eld->sad_count > 0) {
831 hdmi_eld_update_pcm_info(eld, hinfo, codec_pars);
832 if (hinfo->channels_min > hinfo->channels_max ||
833 !hinfo->rates || !hinfo->formats)
834 return -ENODEV;
835 } else {
836 /* fallback to the codec default */
837 hinfo->channels_min = codec_pars->channels_min;
838 hinfo->channels_max = codec_pars->channels_max;
839 hinfo->rates = codec_pars->rates;
840 hinfo->formats = codec_pars->formats;
841 hinfo->maxbps = codec_pars->maxbps;
842 }
843 return 0;
844 }
845
846 /*
847 * HDA/HDMI auto parsing
848 */
849 static int hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
850 {
851 struct hdmi_spec *spec = codec->spec;
852 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
853 int conn_len, curr;
854 int index;
855
856 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
857 snd_printk(KERN_WARNING
858 "HDMI: pin %d wcaps %#x "
859 "does not support connection list\n",
860 pin_nid, get_wcaps(codec, pin_nid));
861 return -EINVAL;
862 }
863
864 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
865 HDA_MAX_CONNECTIONS);
866 if (conn_len > 1)
867 curr = snd_hda_codec_read(codec, pin_nid, 0,
868 AC_VERB_GET_CONNECT_SEL, 0);
869 else
870 curr = 0;
871
872 index = hda_node_index(spec->pin, pin_nid);
873 if (index < 0)
874 return -EINVAL;
875
876 spec->pin_cvt[index] = conn_list[curr];
877
878 return 0;
879 }
880
881 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
882 struct hdmi_eld *eld)
883 {
884 int present = snd_hda_pin_sense(codec, pin_nid);
885
886 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
887 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
888
889 if (present & AC_PINSENSE_ELDV)
890 hdmi_get_show_eld(codec, pin_nid, eld);
891 }
892
893 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
894 {
895 struct hdmi_spec *spec = codec->spec;
896
897 if (spec->num_pins >= MAX_HDMI_PINS) {
898 snd_printk(KERN_WARNING
899 "HDMI: no space for pin %d\n", pin_nid);
900 return -E2BIG;
901 }
902
903 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
904
905 spec->pin[spec->num_pins] = pin_nid;
906 spec->num_pins++;
907
908 /*
909 * It is assumed that converter nodes come first in the node list and
910 * hence have been registered and usable now.
911 */
912 return hdmi_read_pin_conn(codec, pin_nid);
913 }
914
915 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
916 {
917 struct hdmi_spec *spec = codec->spec;
918
919 if (spec->num_cvts >= MAX_HDMI_CVTS) {
920 snd_printk(KERN_WARNING
921 "HDMI: no space for converter %d\n", nid);
922 return -E2BIG;
923 }
924
925 spec->cvt[spec->num_cvts] = nid;
926 spec->num_cvts++;
927
928 return 0;
929 }
930
931 static int hdmi_parse_codec(struct hda_codec *codec)
932 {
933 hda_nid_t nid;
934 int i, nodes;
935
936 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
937 if (!nid || nodes < 0) {
938 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
939 return -EINVAL;
940 }
941
942 for (i = 0; i < nodes; i++, nid++) {
943 unsigned int caps;
944 unsigned int type;
945
946 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
947 type = get_wcaps_type(caps);
948
949 if (!(caps & AC_WCAP_DIGITAL))
950 continue;
951
952 switch (type) {
953 case AC_WID_AUD_OUT:
954 hdmi_add_cvt(codec, nid);
955 break;
956 case AC_WID_PIN:
957 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
958 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
959 continue;
960 hdmi_add_pin(codec, nid);
961 break;
962 }
963 }
964
965 /*
966 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
967 * can be lost and presence sense verb will become inaccurate if the
968 * HDA link is powered off at hot plug or hw initialization time.
969 */
970 #ifdef CONFIG_SND_HDA_POWER_SAVE
971 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
972 AC_PWRST_EPSS))
973 codec->bus->power_keep_link_on = 1;
974 #endif
975
976 return 0;
977 }
978
979 /*
980 */
981 static char *generic_hdmi_pcm_names[MAX_HDMI_CVTS] = {
982 "HDMI 0",
983 "HDMI 1",
984 "HDMI 2",
985 };
986
987 /*
988 * HDMI callbacks
989 */
990
991 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
992 struct hda_codec *codec,
993 unsigned int stream_tag,
994 unsigned int format,
995 struct snd_pcm_substream *substream)
996 {
997 hdmi_set_channel_count(codec, hinfo->nid,
998 substream->runtime->channels);
999
1000 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
1001
1002 return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
1003 }
1004
1005 static struct hda_pcm_stream generic_hdmi_pcm_playback = {
1006 .substreams = 1,
1007 .channels_min = 2,
1008 .ops = {
1009 .open = hdmi_pcm_open,
1010 .prepare = generic_hdmi_playback_pcm_prepare,
1011 },
1012 };
1013
1014 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1015 {
1016 struct hdmi_spec *spec = codec->spec;
1017 struct hda_pcm *info = spec->pcm_rec;
1018 int i;
1019
1020 codec->num_pcms = spec->num_cvts;
1021 codec->pcm_info = info;
1022
1023 for (i = 0; i < codec->num_pcms; i++, info++) {
1024 unsigned int chans;
1025 struct hda_pcm_stream *pstr;
1026
1027 chans = get_wcaps(codec, spec->cvt[i]);
1028 chans = get_wcaps_channels(chans);
1029
1030 info->name = generic_hdmi_pcm_names[i];
1031 info->pcm_type = HDA_PCM_TYPE_HDMI;
1032 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1033 if (spec->pcm_playback)
1034 *pstr = *spec->pcm_playback;
1035 else
1036 *pstr = generic_hdmi_pcm_playback;
1037 pstr->nid = spec->cvt[i];
1038 if (pstr->channels_max <= 2 && chans && chans <= 16)
1039 pstr->channels_max = chans;
1040 }
1041
1042 return 0;
1043 }
1044
1045 static int generic_hdmi_build_controls(struct hda_codec *codec)
1046 {
1047 struct hdmi_spec *spec = codec->spec;
1048 int err;
1049 int i;
1050
1051 for (i = 0; i < codec->num_pcms; i++) {
1052 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
1053 if (err < 0)
1054 return err;
1055 }
1056
1057 return 0;
1058 }
1059
1060 static int generic_hdmi_init(struct hda_codec *codec)
1061 {
1062 struct hdmi_spec *spec = codec->spec;
1063 int i;
1064
1065 for (i = 0; spec->pin[i]; i++) {
1066 hdmi_enable_output(codec, spec->pin[i]);
1067 snd_hda_codec_write(codec, spec->pin[i], 0,
1068 AC_VERB_SET_UNSOLICITED_ENABLE,
1069 AC_USRSP_EN | spec->pin[i]);
1070 }
1071 return 0;
1072 }
1073
1074 static void generic_hdmi_free(struct hda_codec *codec)
1075 {
1076 struct hdmi_spec *spec = codec->spec;
1077 int i;
1078
1079 for (i = 0; i < spec->num_pins; i++)
1080 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
1081
1082 kfree(spec);
1083 }
1084
1085 static struct hda_codec_ops generic_hdmi_patch_ops = {
1086 .init = generic_hdmi_init,
1087 .free = generic_hdmi_free,
1088 .build_pcms = generic_hdmi_build_pcms,
1089 .build_controls = generic_hdmi_build_controls,
1090 .unsol_event = hdmi_unsol_event,
1091 };
1092
1093 static int patch_generic_hdmi(struct hda_codec *codec)
1094 {
1095 struct hdmi_spec *spec;
1096 int i;
1097
1098 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1099 if (spec == NULL)
1100 return -ENOMEM;
1101
1102 codec->spec = spec;
1103 if (hdmi_parse_codec(codec) < 0) {
1104 codec->spec = NULL;
1105 kfree(spec);
1106 return -EINVAL;
1107 }
1108 codec->patch_ops = generic_hdmi_patch_ops;
1109
1110 for (i = 0; i < spec->num_pins; i++)
1111 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
1112
1113 init_channel_allocations();
1114
1115 return 0;
1116 }
1117
1118 /*
1119 * Nvidia specific implementations
1120 */
1121
1122 #define Nv_VERB_SET_Channel_Allocation 0xF79
1123 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
1124 #define Nv_VERB_SET_Audio_Protection_On 0xF98
1125 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
1126
1127 #define nvhdmi_master_con_nid_7x 0x04
1128 #define nvhdmi_master_pin_nid_7x 0x05
1129
1130 static hda_nid_t nvhdmi_con_nids_7x[4] = {
1131 /*front, rear, clfe, rear_surr */
1132 0x6, 0x8, 0xa, 0xc,
1133 };
1134
1135 static struct hda_verb nvhdmi_basic_init_7x[] = {
1136 /* set audio protect on */
1137 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1138 /* enable digital output on pin widget */
1139 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1140 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1141 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1142 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1143 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1144 {} /* terminator */
1145 };
1146
1147 #ifdef LIMITED_RATE_FMT_SUPPORT
1148 /* support only the safe format and rate */
1149 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
1150 #define SUPPORTED_MAXBPS 16
1151 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
1152 #else
1153 /* support all rates and formats */
1154 #define SUPPORTED_RATES \
1155 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1156 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1157 SNDRV_PCM_RATE_192000)
1158 #define SUPPORTED_MAXBPS 24
1159 #define SUPPORTED_FORMATS \
1160 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1161 #endif
1162
1163 static int nvhdmi_7x_init(struct hda_codec *codec)
1164 {
1165 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1166 return 0;
1167 }
1168
1169 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1170 struct hda_codec *codec,
1171 struct snd_pcm_substream *substream)
1172 {
1173 struct hdmi_spec *spec = codec->spec;
1174 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1175 }
1176
1177 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1178 struct hda_codec *codec,
1179 struct snd_pcm_substream *substream)
1180 {
1181 struct hdmi_spec *spec = codec->spec;
1182 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1183 }
1184
1185 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1186 struct hda_codec *codec,
1187 unsigned int stream_tag,
1188 unsigned int format,
1189 struct snd_pcm_substream *substream)
1190 {
1191 struct hdmi_spec *spec = codec->spec;
1192 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1193 stream_tag, format, substream);
1194 }
1195
1196 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1197 struct hda_codec *codec,
1198 struct snd_pcm_substream *substream)
1199 {
1200 struct hdmi_spec *spec = codec->spec;
1201 int i;
1202
1203 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1204 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1205 for (i = 0; i < 4; i++) {
1206 /* set the stream id */
1207 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1208 AC_VERB_SET_CHANNEL_STREAMID, 0);
1209 /* set the stream format */
1210 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1211 AC_VERB_SET_STREAM_FORMAT, 0);
1212 }
1213
1214 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1215 }
1216
1217 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1218 struct hda_codec *codec,
1219 unsigned int stream_tag,
1220 unsigned int format,
1221 struct snd_pcm_substream *substream)
1222 {
1223 int chs;
1224 unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
1225 int i;
1226
1227 mutex_lock(&codec->spdif_mutex);
1228
1229 chs = substream->runtime->channels;
1230 chan = chs ? (chs - 1) : 1;
1231
1232 switch (chs) {
1233 default:
1234 case 0:
1235 case 2:
1236 chanmask = 0x00;
1237 break;
1238 case 4:
1239 chanmask = 0x08;
1240 break;
1241 case 6:
1242 chanmask = 0x0b;
1243 break;
1244 case 8:
1245 chanmask = 0x13;
1246 break;
1247 }
1248 dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
1249 dataDCC2 = 0x2;
1250
1251 /* set the Audio InforFrame Channel Allocation */
1252 snd_hda_codec_write(codec, 0x1, 0,
1253 Nv_VERB_SET_Channel_Allocation, chanmask);
1254
1255 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1256 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
1257 snd_hda_codec_write(codec,
1258 nvhdmi_master_con_nid_7x,
1259 0,
1260 AC_VERB_SET_DIGI_CONVERT_1,
1261 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1262
1263 /* set the stream id */
1264 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1265 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1266
1267 /* set the stream format */
1268 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1269 AC_VERB_SET_STREAM_FORMAT, format);
1270
1271 /* turn on again (if needed) */
1272 /* enable and set the channel status audio/data flag */
1273 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1274 snd_hda_codec_write(codec,
1275 nvhdmi_master_con_nid_7x,
1276 0,
1277 AC_VERB_SET_DIGI_CONVERT_1,
1278 codec->spdif_ctls & 0xff);
1279 snd_hda_codec_write(codec,
1280 nvhdmi_master_con_nid_7x,
1281 0,
1282 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1283 }
1284
1285 for (i = 0; i < 4; i++) {
1286 if (chs == 2)
1287 channel_id = 0;
1288 else
1289 channel_id = i * 2;
1290
1291 /* turn off SPDIF once;
1292 *otherwise the IEC958 bits won't be updated
1293 */
1294 if (codec->spdif_status_reset &&
1295 (codec->spdif_ctls & AC_DIG1_ENABLE))
1296 snd_hda_codec_write(codec,
1297 nvhdmi_con_nids_7x[i],
1298 0,
1299 AC_VERB_SET_DIGI_CONVERT_1,
1300 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1301 /* set the stream id */
1302 snd_hda_codec_write(codec,
1303 nvhdmi_con_nids_7x[i],
1304 0,
1305 AC_VERB_SET_CHANNEL_STREAMID,
1306 (stream_tag << 4) | channel_id);
1307 /* set the stream format */
1308 snd_hda_codec_write(codec,
1309 nvhdmi_con_nids_7x[i],
1310 0,
1311 AC_VERB_SET_STREAM_FORMAT,
1312 format);
1313 /* turn on again (if needed) */
1314 /* enable and set the channel status audio/data flag */
1315 if (codec->spdif_status_reset &&
1316 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1317 snd_hda_codec_write(codec,
1318 nvhdmi_con_nids_7x[i],
1319 0,
1320 AC_VERB_SET_DIGI_CONVERT_1,
1321 codec->spdif_ctls & 0xff);
1322 snd_hda_codec_write(codec,
1323 nvhdmi_con_nids_7x[i],
1324 0,
1325 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1326 }
1327 }
1328
1329 /* set the Audio Info Frame Checksum */
1330 snd_hda_codec_write(codec, 0x1, 0,
1331 Nv_VERB_SET_Info_Frame_Checksum,
1332 (0x71 - chan - chanmask));
1333
1334 mutex_unlock(&codec->spdif_mutex);
1335 return 0;
1336 }
1337
1338 static struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1339 .substreams = 1,
1340 .channels_min = 2,
1341 .channels_max = 8,
1342 .nid = nvhdmi_master_con_nid_7x,
1343 .rates = SUPPORTED_RATES,
1344 .maxbps = SUPPORTED_MAXBPS,
1345 .formats = SUPPORTED_FORMATS,
1346 .ops = {
1347 .open = simple_playback_pcm_open,
1348 .close = nvhdmi_8ch_7x_pcm_close,
1349 .prepare = nvhdmi_8ch_7x_pcm_prepare
1350 },
1351 };
1352
1353 static struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1354 .substreams = 1,
1355 .channels_min = 2,
1356 .channels_max = 2,
1357 .nid = nvhdmi_master_con_nid_7x,
1358 .rates = SUPPORTED_RATES,
1359 .maxbps = SUPPORTED_MAXBPS,
1360 .formats = SUPPORTED_FORMATS,
1361 .ops = {
1362 .open = simple_playback_pcm_open,
1363 .close = simple_playback_pcm_close,
1364 .prepare = simple_playback_pcm_prepare
1365 },
1366 };
1367
1368 static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1369 .build_controls = generic_hdmi_build_controls,
1370 .build_pcms = generic_hdmi_build_pcms,
1371 .init = nvhdmi_7x_init,
1372 .free = generic_hdmi_free,
1373 };
1374
1375 static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1376 .build_controls = generic_hdmi_build_controls,
1377 .build_pcms = generic_hdmi_build_pcms,
1378 .init = nvhdmi_7x_init,
1379 .free = generic_hdmi_free,
1380 };
1381
1382 static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
1383 {
1384 struct hdmi_spec *spec;
1385 int err = patch_generic_hdmi(codec);
1386
1387 if (err < 0)
1388 return err;
1389 spec = codec->spec;
1390 spec->old_pin_detect = 1;
1391 return 0;
1392 }
1393
1394 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1395 {
1396 struct hdmi_spec *spec;
1397
1398 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1399 if (spec == NULL)
1400 return -ENOMEM;
1401
1402 codec->spec = spec;
1403
1404 spec->multiout.num_dacs = 0; /* no analog */
1405 spec->multiout.max_channels = 2;
1406 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1407 spec->old_pin_detect = 1;
1408 spec->num_cvts = 1;
1409 spec->cvt[0] = nvhdmi_master_con_nid_7x;
1410 spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1411
1412 codec->patch_ops = nvhdmi_patch_ops_2ch;
1413
1414 return 0;
1415 }
1416
1417 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1418 {
1419 struct hdmi_spec *spec;
1420 int err = patch_nvhdmi_2ch(codec);
1421
1422 if (err < 0)
1423 return err;
1424 spec = codec->spec;
1425 spec->multiout.max_channels = 8;
1426 spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1427 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1428 return 0;
1429 }
1430
1431 /*
1432 * ATI-specific implementations
1433 *
1434 * FIXME: we may omit the whole this and use the generic code once after
1435 * it's confirmed to work.
1436 */
1437
1438 #define ATIHDMI_CVT_NID 0x02 /* audio converter */
1439 #define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
1440
1441 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1442 struct hda_codec *codec,
1443 unsigned int stream_tag,
1444 unsigned int format,
1445 struct snd_pcm_substream *substream)
1446 {
1447 struct hdmi_spec *spec = codec->spec;
1448 int chans = substream->runtime->channels;
1449 int i, err;
1450
1451 err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1452 substream);
1453 if (err < 0)
1454 return err;
1455 snd_hda_codec_write(codec, spec->cvt[0], 0, AC_VERB_SET_CVT_CHAN_COUNT,
1456 chans - 1);
1457 /* FIXME: XXX */
1458 for (i = 0; i < chans; i++) {
1459 snd_hda_codec_write(codec, spec->cvt[0], 0,
1460 AC_VERB_SET_HDMI_CHAN_SLOT,
1461 (i << 4) | i);
1462 }
1463 return 0;
1464 }
1465
1466 static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1467 .substreams = 1,
1468 .channels_min = 2,
1469 .channels_max = 2,
1470 .nid = ATIHDMI_CVT_NID,
1471 .ops = {
1472 .open = simple_playback_pcm_open,
1473 .close = simple_playback_pcm_close,
1474 .prepare = atihdmi_playback_pcm_prepare
1475 },
1476 };
1477
1478 static struct hda_verb atihdmi_basic_init[] = {
1479 /* enable digital output on pin widget */
1480 { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1481 {} /* terminator */
1482 };
1483
1484 static int atihdmi_init(struct hda_codec *codec)
1485 {
1486 struct hdmi_spec *spec = codec->spec;
1487
1488 snd_hda_sequence_write(codec, atihdmi_basic_init);
1489 /* SI codec requires to unmute the pin */
1490 if (get_wcaps(codec, spec->pin[0]) & AC_WCAP_OUT_AMP)
1491 snd_hda_codec_write(codec, spec->pin[0], 0,
1492 AC_VERB_SET_AMP_GAIN_MUTE,
1493 AMP_OUT_UNMUTE);
1494 return 0;
1495 }
1496
1497 static struct hda_codec_ops atihdmi_patch_ops = {
1498 .build_controls = generic_hdmi_build_controls,
1499 .build_pcms = generic_hdmi_build_pcms,
1500 .init = atihdmi_init,
1501 .free = generic_hdmi_free,
1502 };
1503
1504
1505 static int patch_atihdmi(struct hda_codec *codec)
1506 {
1507 struct hdmi_spec *spec;
1508
1509 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1510 if (spec == NULL)
1511 return -ENOMEM;
1512
1513 codec->spec = spec;
1514
1515 spec->multiout.num_dacs = 0; /* no analog */
1516 spec->multiout.max_channels = 2;
1517 spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1518 spec->num_cvts = 1;
1519 spec->cvt[0] = ATIHDMI_CVT_NID;
1520 spec->pin[0] = ATIHDMI_PIN_NID;
1521 spec->pcm_playback = &atihdmi_pcm_digital_playback;
1522
1523 codec->patch_ops = atihdmi_patch_ops;
1524
1525 return 0;
1526 }
1527
1528
1529 /*
1530 * patch entries
1531 */
1532 static struct hda_codec_preset snd_hda_preset_hdmi[] = {
1533 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
1534 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
1535 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
1536 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_generic_hdmi },
1537 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
1538 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
1539 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
1540 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1541 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1542 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1543 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1544 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
1545 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1546 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1547 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi_8ch_89 },
1548 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1549 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1550 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1551 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1552 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1553 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1554 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1555 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1556 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1557 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1558 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1559 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1560 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1561 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1562 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1563 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1564 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
1565 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
1566 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1567 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
1568 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
1569 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
1570 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1571 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1572 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
1573 {} /* terminator */
1574 };
1575
1576 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1577 MODULE_ALIAS("snd-hda-codec-id:10027919");
1578 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1579 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1580 MODULE_ALIAS("snd-hda-codec-id:10951390");
1581 MODULE_ALIAS("snd-hda-codec-id:10951392");
1582 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1583 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1584 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1585 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1586 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1587 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1588 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1589 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1590 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1591 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1592 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1593 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1594 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1595 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1596 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1597 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1598 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1599 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1600 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1601 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1602 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1603 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1604 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1605 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1606 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1607 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1608 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1609 MODULE_ALIAS("snd-hda-codec-id:80860054");
1610 MODULE_ALIAS("snd-hda-codec-id:80862801");
1611 MODULE_ALIAS("snd-hda-codec-id:80862802");
1612 MODULE_ALIAS("snd-hda-codec-id:80862803");
1613 MODULE_ALIAS("snd-hda-codec-id:80862804");
1614 MODULE_ALIAS("snd-hda-codec-id:80862805");
1615 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1616
1617 MODULE_LICENSE("GPL");
1618 MODULE_DESCRIPTION("HDMI HD-audio codec");
1619 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1620 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1621 MODULE_ALIAS("snd-hda-codec-atihdmi");
1622
1623 static struct hda_codec_preset_list intel_list = {
1624 .preset = snd_hda_preset_hdmi,
1625 .owner = THIS_MODULE,
1626 };
1627
1628 static int __init patch_hdmi_init(void)
1629 {
1630 return snd_hda_add_codec_preset(&intel_list);
1631 }
1632
1633 static void __exit patch_hdmi_exit(void)
1634 {
1635 snd_hda_delete_codec_preset(&intel_list);
1636 }
1637
1638 module_init(patch_hdmi_init)
1639 module_exit(patch_hdmi_exit)
Linux kernel - Deliverables
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