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ALSA: hda - Merge all HDMI modules into the unified module
[firewire-audio.git] / sound / pci / hda / patch_hdmi.c
blobcb997ca0fdfacf4fb4b855a225a6f18442a44725
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; /* PB0 */
88 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
89 u8 SS01_SF24;
90 u8 CXT04;
91 u8 CA;
92 u8 LFEPBL01_LSV36_DM_INH7;
93 u8 reserved[5]; /* PB6 - PB10 */
94 };
95
96 /*
97 * CEA speaker placement:
98 *
99 * FLH FCH FRH
100 * FLW FL FLC FC FRC FR FRW
101 *
102 * LFE
103 * TC
104 *
105 * RL RLC RC RRC RR
106 *
107 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
108 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
109 */
110 enum cea_speaker_placement {
111 FL = (1 << 0), /* Front Left */
112 FC = (1 << 1), /* Front Center */
113 FR = (1 << 2), /* Front Right */
114 FLC = (1 << 3), /* Front Left Center */
115 FRC = (1 << 4), /* Front Right Center */
116 RL = (1 << 5), /* Rear Left */
117 RC = (1 << 6), /* Rear Center */
118 RR = (1 << 7), /* Rear Right */
119 RLC = (1 << 8), /* Rear Left Center */
120 RRC = (1 << 9), /* Rear Right Center */
121 LFE = (1 << 10), /* Low Frequency Effect */
122 FLW = (1 << 11), /* Front Left Wide */
123 FRW = (1 << 12), /* Front Right Wide */
124 FLH = (1 << 13), /* Front Left High */
125 FCH = (1 << 14), /* Front Center High */
126 FRH = (1 << 15), /* Front Right High */
127 TC = (1 << 16), /* Top Center */
128 };
129
130 /*
131 * ELD SA bits in the CEA Speaker Allocation data block
132 */
133 static int eld_speaker_allocation_bits[] = {
134 [0] = FL | FR,
135 [1] = LFE,
136 [2] = FC,
137 [3] = RL | RR,
138 [4] = RC,
139 [5] = FLC | FRC,
140 [6] = RLC | RRC,
141 /* the following are not defined in ELD yet */
142 [7] = FLW | FRW,
143 [8] = FLH | FRH,
144 [9] = TC,
145 [10] = FCH,
146 };
147
148 struct cea_channel_speaker_allocation {
149 int ca_index;
150 int speakers[8];
151
152 /* derived values, just for convenience */
153 int channels;
154 int spk_mask;
155 };
156
157 /*
158 * ALSA sequence is:
159 *
160 * surround40 surround41 surround50 surround51 surround71
161 * ch0 front left = = = =
162 * ch1 front right = = = =
163 * ch2 rear left = = = =
164 * ch3 rear right = = = =
165 * ch4 LFE center center center
166 * ch5 LFE LFE
167 * ch6 side left
168 * ch7 side right
169 *
170 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
171 */
172 static int hdmi_channel_mapping[0x32][8] = {
173 /* stereo */
174 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
175 /* 2.1 */
176 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
177 /* Dolby Surround */
178 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
179 /* surround40 */
180 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
181 /* 4ch */
182 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
183 /* surround41 */
184 [0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
185 /* surround50 */
186 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
187 /* surround51 */
188 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
189 /* 7.1 */
190 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
191 };
192
193 /*
194 * This is an ordered list!
195 *
196 * The preceding ones have better chances to be selected by
197 * hdmi_setup_channel_allocation().
198 */
199 static struct cea_channel_speaker_allocation channel_allocations[] = {
200 /* channel: 7 6 5 4 3 2 1 0 */
201 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
202 /* 2.1 */
203 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
204 /* Dolby Surround */
205 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
206 /* surround40 */
207 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
208 /* surround41 */
209 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
210 /* surround50 */
211 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
212 /* surround51 */
213 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
214 /* 6.1 */
215 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
216 /* surround71 */
217 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
218
219 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
220 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
221 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
222 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
223 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
224 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
225 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
226 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
227 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
228 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
229 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
230 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
231 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
232 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
233 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
234 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
235 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
236 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
237 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
238 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
239 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
240 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
241 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
242 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
243 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
244 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
245 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
246 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
247 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
248 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
249 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
250 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
251 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
252 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
253 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
254 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
255 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
256 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
257 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
258 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
259 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
260 };
261
262
263 /*
264 * HDMI routines
265 */
266
267 static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
268 {
269 int i;
270
271 for (i = 0; nids[i]; i++)
272 if (nids[i] == nid)
273 return i;
274
275 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
276 return -EINVAL;
277 }
278
279 static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
280 struct hdmi_eld *eld)
281 {
282 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
283 snd_hdmi_show_eld(eld);
284 }
285
286 #ifdef BE_PARANOID
287 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
288 int *packet_index, int *byte_index)
289 {
290 int val;
291
292 val = snd_hda_codec_read(codec, pin_nid, 0,
293 AC_VERB_GET_HDMI_DIP_INDEX, 0);
294
295 *packet_index = val >> 5;
296 *byte_index = val & 0x1f;
297 }
298 #endif
299
300 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
301 int packet_index, int byte_index)
302 {
303 int val;
304
305 val = (packet_index << 5) | (byte_index & 0x1f);
306
307 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
308 }
309
310 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
311 unsigned char val)
312 {
313 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
314 }
315
316 static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
317 {
318 /* Unmute */
319 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
320 snd_hda_codec_write(codec, pin_nid, 0,
321 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
322 /* Enable pin out */
323 snd_hda_codec_write(codec, pin_nid, 0,
324 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
325 }
326
327 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
328 {
329 return 1 + snd_hda_codec_read(codec, nid, 0,
330 AC_VERB_GET_CVT_CHAN_COUNT, 0);
331 }
332
333 static void hdmi_set_channel_count(struct hda_codec *codec,
334 hda_nid_t nid, int chs)
335 {
336 if (chs != hdmi_get_channel_count(codec, nid))
337 snd_hda_codec_write(codec, nid, 0,
338 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
339 }
340
341
342 /*
343 * Channel mapping routines
344 */
345
346 /*
347 * Compute derived values in channel_allocations[].
348 */
349 static void init_channel_allocations(void)
350 {
351 int i, j;
352 struct cea_channel_speaker_allocation *p;
353
354 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
355 p = channel_allocations + i;
356 p->channels = 0;
357 p->spk_mask = 0;
358 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
359 if (p->speakers[j]) {
360 p->channels++;
361 p->spk_mask |= p->speakers[j];
362 }
363 }
364 }
365
366 /*
367 * The transformation takes two steps:
368 *
369 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
370 * spk_mask => (channel_allocations[]) => ai->CA
371 *
372 * TODO: it could select the wrong CA from multiple candidates.
373 */
374 static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
375 struct hdmi_audio_infoframe *ai)
376 {
377 struct hdmi_spec *spec = codec->spec;
378 struct hdmi_eld *eld;
379 int i;
380 int spk_mask = 0;
381 int channels = 1 + (ai->CC02_CT47 & 0x7);
382 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
383
384 /*
385 * CA defaults to 0 for basic stereo audio
386 */
387 if (channels <= 2)
388 return 0;
389
390 i = hda_node_index(spec->pin_cvt, nid);
391 if (i < 0)
392 return 0;
393 eld = &spec->sink_eld[i];
394
395 /*
396 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
397 * in console or for audio devices. Assume the highest speakers
398 * configuration, to _not_ prohibit multi-channel audio playback.
399 */
400 if (!eld->spk_alloc)
401 eld->spk_alloc = 0xffff;
402
403 /*
404 * expand ELD's speaker allocation mask
405 *
406 * ELD tells the speaker mask in a compact(paired) form,
407 * expand ELD's notions to match the ones used by Audio InfoFrame.
408 */
409 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
410 if (eld->spk_alloc & (1 << i))
411 spk_mask |= eld_speaker_allocation_bits[i];
412 }
413
414 /* search for the first working match in the CA table */
415 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
416 if (channels == channel_allocations[i].channels &&
417 (spk_mask & channel_allocations[i].spk_mask) ==
418 channel_allocations[i].spk_mask) {
419 ai->CA = channel_allocations[i].ca_index;
420 break;
421 }
422 }
423
424 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
425 snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
426 ai->CA, channels, buf);
427
428 return ai->CA;
429 }
430
431 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
432 hda_nid_t pin_nid)
433 {
434 #ifdef CONFIG_SND_DEBUG_VERBOSE
435 int i;
436 int slot;
437
438 for (i = 0; i < 8; i++) {
439 slot = snd_hda_codec_read(codec, pin_nid, 0,
440 AC_VERB_GET_HDMI_CHAN_SLOT, i);
441 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
442 slot >> 4, slot & 0xf);
443 }
444 #endif
445 }
446
447
448 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
449 hda_nid_t pin_nid,
450 struct hdmi_audio_infoframe *ai)
451 {
452 int i;
453 int ca = ai->CA;
454 int err;
455
456 if (hdmi_channel_mapping[ca][1] == 0) {
457 for (i = 0; i < channel_allocations[ca].channels; i++)
458 hdmi_channel_mapping[ca][i] = i | (i << 4);
459 for (; i < 8; i++)
460 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
461 }
462
463 for (i = 0; i < 8; i++) {
464 err = snd_hda_codec_write(codec, pin_nid, 0,
465 AC_VERB_SET_HDMI_CHAN_SLOT,
466 hdmi_channel_mapping[ca][i]);
467 if (err) {
468 snd_printdd(KERN_NOTICE
469 "HDMI: channel mapping failed\n");
470 break;
471 }
472 }
473
474 hdmi_debug_channel_mapping(codec, pin_nid);
475 }
476
477
478 /*
479 * Audio InfoFrame routines
480 */
481
482 /*
483 * Enable Audio InfoFrame Transmission
484 */
485 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
486 hda_nid_t pin_nid)
487 {
488 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
489 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
490 AC_DIPXMIT_BEST);
491 }
492
493 /*
494 * Disable Audio InfoFrame Transmission
495 */
496 static void hdmi_stop_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_DISABLE);
502 }
503
504 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
505 {
506 #ifdef CONFIG_SND_DEBUG_VERBOSE
507 int i;
508 int size;
509
510 size = snd_hdmi_get_eld_size(codec, pin_nid);
511 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
512
513 for (i = 0; i < 8; i++) {
514 size = snd_hda_codec_read(codec, pin_nid, 0,
515 AC_VERB_GET_HDMI_DIP_SIZE, i);
516 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
517 }
518 #endif
519 }
520
521 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
522 {
523 #ifdef BE_PARANOID
524 int i, j;
525 int size;
526 int pi, bi;
527 for (i = 0; i < 8; i++) {
528 size = snd_hda_codec_read(codec, pin_nid, 0,
529 AC_VERB_GET_HDMI_DIP_SIZE, i);
530 if (size == 0)
531 continue;
532
533 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
534 for (j = 1; j < 1000; j++) {
535 hdmi_write_dip_byte(codec, pin_nid, 0x0);
536 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
537 if (pi != i)
538 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
539 bi, pi, i);
540 if (bi == 0) /* byte index wrapped around */
541 break;
542 }
543 snd_printd(KERN_INFO
544 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
545 i, size, j);
546 }
547 #endif
548 }
549
550 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
551 {
552 u8 *bytes = (u8 *)ai;
553 u8 sum = 0;
554 int i;
555
556 ai->checksum = 0;
557
558 for (i = 0; i < sizeof(*ai); i++)
559 sum += bytes[i];
560
561 ai->checksum = -sum;
562 }
563
564 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
565 hda_nid_t pin_nid,
566 struct hdmi_audio_infoframe *ai)
567 {
568 u8 *bytes = (u8 *)ai;
569 int i;
570
571 hdmi_debug_dip_size(codec, pin_nid);
572 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
573
574 hdmi_checksum_audio_infoframe(ai);
575
576 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
577 for (i = 0; i < sizeof(*ai); i++)
578 hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
579 }
580
581 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
582 struct hdmi_audio_infoframe *ai)
583 {
584 u8 *bytes = (u8 *)ai;
585 u8 val;
586 int i;
587
588 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
589 != AC_DIPXMIT_BEST)
590 return false;
591
592 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
593 for (i = 0; i < sizeof(*ai); i++) {
594 val = snd_hda_codec_read(codec, pin_nid, 0,
595 AC_VERB_GET_HDMI_DIP_DATA, 0);
596 if (val != bytes[i])
597 return false;
598 }
599
600 return true;
601 }
602
603 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
604 struct snd_pcm_substream *substream)
605 {
606 struct hdmi_spec *spec = codec->spec;
607 hda_nid_t pin_nid;
608 int i;
609 struct hdmi_audio_infoframe ai = {
610 .type = 0x84,
611 .ver = 0x01,
612 .len = 0x0a,
613 .CC02_CT47 = substream->runtime->channels - 1,
614 };
615
616 hdmi_setup_channel_allocation(codec, nid, &ai);
617
618 for (i = 0; i < spec->num_pins; i++) {
619 if (spec->pin_cvt[i] != nid)
620 continue;
621 if (!spec->sink_eld[i].monitor_present)
622 continue;
623
624 pin_nid = spec->pin[i];
625 if (!hdmi_infoframe_uptodate(codec, pin_nid, &ai)) {
626 snd_printdd("hdmi_setup_audio_infoframe: "
627 "cvt=%d pin=%d channels=%d\n",
628 nid, pin_nid,
629 substream->runtime->channels);
630 hdmi_setup_channel_mapping(codec, pin_nid, &ai);
631 hdmi_stop_infoframe_trans(codec, pin_nid);
632 hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
633 hdmi_start_infoframe_trans(codec, pin_nid);
634 }
635 }
636 }
637
638
639 /*
640 * Unsolicited events
641 */
642
643 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
644 struct hdmi_eld *eld);
645
646 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
647 {
648 struct hdmi_spec *spec = codec->spec;
649 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
650 int pind = !!(res & AC_UNSOL_RES_PD);
651 int eldv = !!(res & AC_UNSOL_RES_ELDV);
652 int index;
653
654 printk(KERN_INFO
655 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
656 tag, pind, eldv);
657
658 index = hda_node_index(spec->pin, tag);
659 if (index < 0)
660 return;
661
662 if (spec->old_pin_detect) {
663 if (pind)
664 hdmi_present_sense(codec, tag, &spec->sink_eld[index]);
665 pind = spec->sink_eld[index].monitor_present;
666 }
667
668 spec->sink_eld[index].monitor_present = pind;
669 spec->sink_eld[index].eld_valid = eldv;
670
671 if (pind && eldv) {
672 hdmi_get_show_eld(codec, spec->pin[index],
673 &spec->sink_eld[index]);
674 /* TODO: do real things about ELD */
675 }
676 }
677
678 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
679 {
680 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
681 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
682 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
683 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
684
685 printk(KERN_INFO
686 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
687 tag,
688 subtag,
689 cp_state,
690 cp_ready);
691
692 /* TODO */
693 if (cp_state)
694 ;
695 if (cp_ready)
696 ;
697 }
698
699
700 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
701 {
702 struct hdmi_spec *spec = codec->spec;
703 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
704 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
705
706 if (hda_node_index(spec->pin, tag) < 0) {
707 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
708 return;
709 }
710
711 if (subtag == 0)
712 hdmi_intrinsic_event(codec, res);
713 else
714 hdmi_non_intrinsic_event(codec, res);
715 }
716
717 /*
718 * Callbacks
719 */
720
721 /* HBR should be Non-PCM, 8 channels */
722 #define is_hbr_format(format) \
723 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
724
725 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
726 u32 stream_tag, int format)
727 {
728 struct hdmi_spec *spec = codec->spec;
729 int pinctl;
730 int new_pinctl = 0;
731 int i;
732
733 for (i = 0; i < spec->num_pins; i++) {
734 if (spec->pin_cvt[i] != nid)
735 continue;
736 if (!(snd_hda_query_pin_caps(codec, spec->pin[i]) & AC_PINCAP_HBR))
737 continue;
738
739 pinctl = snd_hda_codec_read(codec, spec->pin[i], 0,
740 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
741
742 new_pinctl = pinctl & ~AC_PINCTL_EPT;
743 if (is_hbr_format(format))
744 new_pinctl |= AC_PINCTL_EPT_HBR;
745 else
746 new_pinctl |= AC_PINCTL_EPT_NATIVE;
747
748 snd_printdd("hdmi_setup_stream: "
749 "NID=0x%x, %spinctl=0x%x\n",
750 spec->pin[i],
751 pinctl == new_pinctl ? "" : "new-",
752 new_pinctl);
753
754 if (pinctl != new_pinctl)
755 snd_hda_codec_write(codec, spec->pin[i], 0,
756 AC_VERB_SET_PIN_WIDGET_CONTROL,
757 new_pinctl);
758 }
759
760 if (is_hbr_format(format) && !new_pinctl) {
761 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
762 return -EINVAL;
763 }
764
765 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
766 return 0;
767 }
768
769 /*
770 * HDA PCM callbacks
771 */
772 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
773 struct hda_codec *codec,
774 struct snd_pcm_substream *substream)
775 {
776 struct hdmi_spec *spec = codec->spec;
777 struct hdmi_eld *eld;
778 struct hda_pcm_stream *codec_pars;
779 unsigned int idx;
780
781 for (idx = 0; idx < spec->num_cvts; idx++)
782 if (hinfo->nid == spec->cvt[idx])
783 break;
784 if (snd_BUG_ON(idx >= spec->num_cvts) ||
785 snd_BUG_ON(idx >= spec->num_pins))
786 return -EINVAL;
787
788 /* save the PCM info the codec provides */
789 codec_pars = &spec->codec_pcm_pars[idx];
790 if (!codec_pars->rates)
791 *codec_pars = *hinfo;
792
793 eld = &spec->sink_eld[idx];
794 if (eld->sad_count > 0) {
795 hdmi_eld_update_pcm_info(eld, hinfo, codec_pars);
796 if (hinfo->channels_min > hinfo->channels_max ||
797 !hinfo->rates || !hinfo->formats)
798 return -ENODEV;
799 } else {
800 /* fallback to the codec default */
801 hinfo->channels_min = codec_pars->channels_min;
802 hinfo->channels_max = codec_pars->channels_max;
803 hinfo->rates = codec_pars->rates;
804 hinfo->formats = codec_pars->formats;
805 hinfo->maxbps = codec_pars->maxbps;
806 }
807 return 0;
808 }
809
810 /*
811 * HDA/HDMI auto parsing
812 */
813 static int hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
814 {
815 struct hdmi_spec *spec = codec->spec;
816 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
817 int conn_len, curr;
818 int index;
819
820 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
821 snd_printk(KERN_WARNING
822 "HDMI: pin %d wcaps %#x "
823 "does not support connection list\n",
824 pin_nid, get_wcaps(codec, pin_nid));
825 return -EINVAL;
826 }
827
828 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
829 HDA_MAX_CONNECTIONS);
830 if (conn_len > 1)
831 curr = snd_hda_codec_read(codec, pin_nid, 0,
832 AC_VERB_GET_CONNECT_SEL, 0);
833 else
834 curr = 0;
835
836 index = hda_node_index(spec->pin, pin_nid);
837 if (index < 0)
838 return -EINVAL;
839
840 spec->pin_cvt[index] = conn_list[curr];
841
842 return 0;
843 }
844
845 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
846 struct hdmi_eld *eld)
847 {
848 int present = snd_hda_pin_sense(codec, pin_nid);
849
850 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
851 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
852
853 if (present & AC_PINSENSE_ELDV)
854 hdmi_get_show_eld(codec, pin_nid, eld);
855 }
856
857 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
858 {
859 struct hdmi_spec *spec = codec->spec;
860
861 if (spec->num_pins >= MAX_HDMI_PINS) {
862 snd_printk(KERN_WARNING
863 "HDMI: no space for pin %d\n", pin_nid);
864 return -E2BIG;
865 }
866
867 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
868
869 spec->pin[spec->num_pins] = pin_nid;
870 spec->num_pins++;
871
872 /*
873 * It is assumed that converter nodes come first in the node list and
874 * hence have been registered and usable now.
875 */
876 return hdmi_read_pin_conn(codec, pin_nid);
877 }
878
879 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
880 {
881 struct hdmi_spec *spec = codec->spec;
882
883 if (spec->num_cvts >= MAX_HDMI_CVTS) {
884 snd_printk(KERN_WARNING
885 "HDMI: no space for converter %d\n", nid);
886 return -E2BIG;
887 }
888
889 spec->cvt[spec->num_cvts] = nid;
890 spec->num_cvts++;
891
892 return 0;
893 }
894
895 static int hdmi_parse_codec(struct hda_codec *codec)
896 {
897 hda_nid_t nid;
898 int i, nodes;
899
900 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
901 if (!nid || nodes < 0) {
902 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
903 return -EINVAL;
904 }
905
906 for (i = 0; i < nodes; i++, nid++) {
907 unsigned int caps;
908 unsigned int type;
909
910 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
911 type = get_wcaps_type(caps);
912
913 if (!(caps & AC_WCAP_DIGITAL))
914 continue;
915
916 switch (type) {
917 case AC_WID_AUD_OUT:
918 hdmi_add_cvt(codec, nid);
919 break;
920 case AC_WID_PIN:
921 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
922 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
923 continue;
924 hdmi_add_pin(codec, nid);
925 break;
926 }
927 }
928
929 /*
930 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
931 * can be lost and presence sense verb will become inaccurate if the
932 * HDA link is powered off at hot plug or hw initialization time.
933 */
934 #ifdef CONFIG_SND_HDA_POWER_SAVE
935 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
936 AC_PWRST_EPSS))
937 codec->bus->power_keep_link_on = 1;
938 #endif
939
940 return 0;
941 }
942
943 /*
944 */
945 static char *generic_hdmi_pcm_names[MAX_HDMI_CVTS] = {
946 "HDMI 0",
947 "HDMI 1",
948 "HDMI 2",
949 };
950
951 /*
952 * HDMI callbacks
953 */
954
955 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
956 struct hda_codec *codec,
957 unsigned int stream_tag,
958 unsigned int format,
959 struct snd_pcm_substream *substream)
960 {
961 hdmi_set_channel_count(codec, hinfo->nid,
962 substream->runtime->channels);
963
964 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
965
966 return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
967 }
968
969 static struct hda_pcm_stream generic_hdmi_pcm_playback = {
970 .substreams = 1,
971 .channels_min = 2,
972 .ops = {
973 .open = hdmi_pcm_open,
974 .prepare = generic_hdmi_playback_pcm_prepare,
975 },
976 };
977
978 static int generic_hdmi_build_pcms(struct hda_codec *codec)
979 {
980 struct hdmi_spec *spec = codec->spec;
981 struct hda_pcm *info = spec->pcm_rec;
982 int i;
983
984 codec->num_pcms = spec->num_cvts;
985 codec->pcm_info = info;
986
987 for (i = 0; i < codec->num_pcms; i++, info++) {
988 unsigned int chans;
989 struct hda_pcm_stream *pstr;
990
991 chans = get_wcaps(codec, spec->cvt[i]);
992 chans = get_wcaps_channels(chans);
993
994 info->name = generic_hdmi_pcm_names[i];
995 info->pcm_type = HDA_PCM_TYPE_HDMI;
996 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
997 if (spec->pcm_playback)
998 *pstr = *spec->pcm_playback;
999 else
1000 *pstr = generic_hdmi_pcm_playback;
1001 pstr->nid = spec->cvt[i];
1002 if (pstr->channels_max <= 2 && chans && chans <= 16)
1003 pstr->channels_max = chans;
1004 }
1005
1006 return 0;
1007 }
1008
1009 static int generic_hdmi_build_controls(struct hda_codec *codec)
1010 {
1011 struct hdmi_spec *spec = codec->spec;
1012 int err;
1013 int i;
1014
1015 for (i = 0; i < codec->num_pcms; i++) {
1016 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
1017 if (err < 0)
1018 return err;
1019 }
1020
1021 return 0;
1022 }
1023
1024 static int generic_hdmi_init(struct hda_codec *codec)
1025 {
1026 struct hdmi_spec *spec = codec->spec;
1027 int i;
1028
1029 for (i = 0; spec->pin[i]; i++) {
1030 hdmi_enable_output(codec, spec->pin[i]);
1031 snd_hda_codec_write(codec, spec->pin[i], 0,
1032 AC_VERB_SET_UNSOLICITED_ENABLE,
1033 AC_USRSP_EN | spec->pin[i]);
1034 }
1035 return 0;
1036 }
1037
1038 static void generic_hdmi_free(struct hda_codec *codec)
1039 {
1040 struct hdmi_spec *spec = codec->spec;
1041 int i;
1042
1043 for (i = 0; i < spec->num_pins; i++)
1044 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
1045
1046 kfree(spec);
1047 }
1048
1049 static struct hda_codec_ops generic_hdmi_patch_ops = {
1050 .init = generic_hdmi_init,
1051 .free = generic_hdmi_free,
1052 .build_pcms = generic_hdmi_build_pcms,
1053 .build_controls = generic_hdmi_build_controls,
1054 .unsol_event = hdmi_unsol_event,
1055 };
1056
1057 static int patch_generic_hdmi(struct hda_codec *codec)
1058 {
1059 struct hdmi_spec *spec;
1060 int i;
1061
1062 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1063 if (spec == NULL)
1064 return -ENOMEM;
1065
1066 codec->spec = spec;
1067 if (hdmi_parse_codec(codec) < 0) {
1068 codec->spec = NULL;
1069 kfree(spec);
1070 return -EINVAL;
1071 }
1072 codec->patch_ops = generic_hdmi_patch_ops;
1073
1074 for (i = 0; i < spec->num_pins; i++)
1075 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
1076
1077 init_channel_allocations();
1078
1079 return 0;
1080 }
1081
1082 /*
1083 * Nvidia specific implementations
1084 */
1085
1086 #define Nv_VERB_SET_Channel_Allocation 0xF79
1087 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
1088 #define Nv_VERB_SET_Audio_Protection_On 0xF98
1089 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
1090
1091 #define nvhdmi_master_con_nid_7x 0x04
1092 #define nvhdmi_master_pin_nid_7x 0x05
1093
1094 static hda_nid_t nvhdmi_con_nids_7x[4] = {
1095 /*front, rear, clfe, rear_surr */
1096 0x6, 0x8, 0xa, 0xc,
1097 };
1098
1099 static struct hda_verb nvhdmi_basic_init_7x[] = {
1100 /* set audio protect on */
1101 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1102 /* enable digital output on pin widget */
1103 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1104 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1105 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1106 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1107 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1108 {} /* terminator */
1109 };
1110
1111 #ifdef LIMITED_RATE_FMT_SUPPORT
1112 /* support only the safe format and rate */
1113 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
1114 #define SUPPORTED_MAXBPS 16
1115 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
1116 #else
1117 /* support all rates and formats */
1118 #define SUPPORTED_RATES \
1119 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1120 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1121 SNDRV_PCM_RATE_192000)
1122 #define SUPPORTED_MAXBPS 24
1123 #define SUPPORTED_FORMATS \
1124 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1125 #endif
1126
1127 static int nvhdmi_7x_init(struct hda_codec *codec)
1128 {
1129 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1130 return 0;
1131 }
1132
1133 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1134 struct hda_codec *codec,
1135 struct snd_pcm_substream *substream)
1136 {
1137 struct hdmi_spec *spec = codec->spec;
1138 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1139 }
1140
1141 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1142 struct hda_codec *codec,
1143 struct snd_pcm_substream *substream)
1144 {
1145 struct hdmi_spec *spec = codec->spec;
1146 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1147 }
1148
1149 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1150 struct hda_codec *codec,
1151 unsigned int stream_tag,
1152 unsigned int format,
1153 struct snd_pcm_substream *substream)
1154 {
1155 struct hdmi_spec *spec = codec->spec;
1156 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1157 stream_tag, format, substream);
1158 }
1159
1160 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1161 struct hda_codec *codec,
1162 struct snd_pcm_substream *substream)
1163 {
1164 struct hdmi_spec *spec = codec->spec;
1165 int i;
1166
1167 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1168 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1169 for (i = 0; i < 4; i++) {
1170 /* set the stream id */
1171 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1172 AC_VERB_SET_CHANNEL_STREAMID, 0);
1173 /* set the stream format */
1174 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1175 AC_VERB_SET_STREAM_FORMAT, 0);
1176 }
1177
1178 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1179 }
1180
1181 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1182 struct hda_codec *codec,
1183 unsigned int stream_tag,
1184 unsigned int format,
1185 struct snd_pcm_substream *substream)
1186 {
1187 int chs;
1188 unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
1189 int i;
1190
1191 mutex_lock(&codec->spdif_mutex);
1192
1193 chs = substream->runtime->channels;
1194 chan = chs ? (chs - 1) : 1;
1195
1196 switch (chs) {
1197 default:
1198 case 0:
1199 case 2:
1200 chanmask = 0x00;
1201 break;
1202 case 4:
1203 chanmask = 0x08;
1204 break;
1205 case 6:
1206 chanmask = 0x0b;
1207 break;
1208 case 8:
1209 chanmask = 0x13;
1210 break;
1211 }
1212 dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
1213 dataDCC2 = 0x2;
1214
1215 /* set the Audio InforFrame Channel Allocation */
1216 snd_hda_codec_write(codec, 0x1, 0,
1217 Nv_VERB_SET_Channel_Allocation, chanmask);
1218
1219 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1220 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
1221 snd_hda_codec_write(codec,
1222 nvhdmi_master_con_nid_7x,
1223 0,
1224 AC_VERB_SET_DIGI_CONVERT_1,
1225 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1226
1227 /* set the stream id */
1228 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1229 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1230
1231 /* set the stream format */
1232 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1233 AC_VERB_SET_STREAM_FORMAT, format);
1234
1235 /* turn on again (if needed) */
1236 /* enable and set the channel status audio/data flag */
1237 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1238 snd_hda_codec_write(codec,
1239 nvhdmi_master_con_nid_7x,
1240 0,
1241 AC_VERB_SET_DIGI_CONVERT_1,
1242 codec->spdif_ctls & 0xff);
1243 snd_hda_codec_write(codec,
1244 nvhdmi_master_con_nid_7x,
1245 0,
1246 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1247 }
1248
1249 for (i = 0; i < 4; i++) {
1250 if (chs == 2)
1251 channel_id = 0;
1252 else
1253 channel_id = i * 2;
1254
1255 /* turn off SPDIF once;
1256 *otherwise the IEC958 bits won't be updated
1257 */
1258 if (codec->spdif_status_reset &&
1259 (codec->spdif_ctls & AC_DIG1_ENABLE))
1260 snd_hda_codec_write(codec,
1261 nvhdmi_con_nids_7x[i],
1262 0,
1263 AC_VERB_SET_DIGI_CONVERT_1,
1264 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1265 /* set the stream id */
1266 snd_hda_codec_write(codec,
1267 nvhdmi_con_nids_7x[i],
1268 0,
1269 AC_VERB_SET_CHANNEL_STREAMID,
1270 (stream_tag << 4) | channel_id);
1271 /* set the stream format */
1272 snd_hda_codec_write(codec,
1273 nvhdmi_con_nids_7x[i],
1274 0,
1275 AC_VERB_SET_STREAM_FORMAT,
1276 format);
1277 /* turn on again (if needed) */
1278 /* enable and set the channel status audio/data flag */
1279 if (codec->spdif_status_reset &&
1280 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
1281 snd_hda_codec_write(codec,
1282 nvhdmi_con_nids_7x[i],
1283 0,
1284 AC_VERB_SET_DIGI_CONVERT_1,
1285 codec->spdif_ctls & 0xff);
1286 snd_hda_codec_write(codec,
1287 nvhdmi_con_nids_7x[i],
1288 0,
1289 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1290 }
1291 }
1292
1293 /* set the Audio Info Frame Checksum */
1294 snd_hda_codec_write(codec, 0x1, 0,
1295 Nv_VERB_SET_Info_Frame_Checksum,
1296 (0x71 - chan - chanmask));
1297
1298 mutex_unlock(&codec->spdif_mutex);
1299 return 0;
1300 }
1301
1302 static struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1303 .substreams = 1,
1304 .channels_min = 2,
1305 .channels_max = 8,
1306 .nid = nvhdmi_master_con_nid_7x,
1307 .rates = SUPPORTED_RATES,
1308 .maxbps = SUPPORTED_MAXBPS,
1309 .formats = SUPPORTED_FORMATS,
1310 .ops = {
1311 .open = simple_playback_pcm_open,
1312 .close = nvhdmi_8ch_7x_pcm_close,
1313 .prepare = nvhdmi_8ch_7x_pcm_prepare
1314 },
1315 };
1316
1317 static struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1318 .substreams = 1,
1319 .channels_min = 2,
1320 .channels_max = 2,
1321 .nid = nvhdmi_master_con_nid_7x,
1322 .rates = SUPPORTED_RATES,
1323 .maxbps = SUPPORTED_MAXBPS,
1324 .formats = SUPPORTED_FORMATS,
1325 .ops = {
1326 .open = simple_playback_pcm_open,
1327 .close = simple_playback_pcm_close,
1328 .prepare = simple_playback_pcm_prepare
1329 },
1330 };
1331
1332 static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1333 .build_controls = generic_hdmi_build_controls,
1334 .build_pcms = generic_hdmi_build_pcms,
1335 .init = nvhdmi_7x_init,
1336 .free = generic_hdmi_free,
1337 };
1338
1339 static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1340 .build_controls = generic_hdmi_build_controls,
1341 .build_pcms = generic_hdmi_build_pcms,
1342 .init = nvhdmi_7x_init,
1343 .free = generic_hdmi_free,
1344 };
1345
1346 static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
1347 {
1348 struct hdmi_spec *spec;
1349 int err = patch_generic_hdmi(codec);
1350
1351 if (err < 0)
1352 return err;
1353 spec = codec->spec;
1354 spec->old_pin_detect = 1;
1355 return 0;
1356 }
1357
1358 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1359 {
1360 struct hdmi_spec *spec;
1361
1362 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1363 if (spec == NULL)
1364 return -ENOMEM;
1365
1366 codec->spec = spec;
1367
1368 spec->multiout.num_dacs = 0; /* no analog */
1369 spec->multiout.max_channels = 2;
1370 spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1371 spec->old_pin_detect = 1;
1372 spec->num_cvts = 1;
1373 spec->cvt[0] = nvhdmi_master_con_nid_7x;
1374 spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1375
1376 codec->patch_ops = nvhdmi_patch_ops_2ch;
1377
1378 return 0;
1379 }
1380
1381 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1382 {
1383 struct hdmi_spec *spec;
1384 int err = patch_nvhdmi_2ch(codec);
1385
1386 if (err < 0)
1387 return err;
1388 spec = codec->spec;
1389 spec->multiout.max_channels = 8;
1390 spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1391 codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1392 return 0;
1393 }
1394
1395 /*
1396 * ATI-specific implementations
1397 *
1398 * FIXME: we may omit the whole this and use the generic code once after
1399 * it's confirmed to work.
1400 */
1401
1402 #define ATIHDMI_CVT_NID 0x02 /* audio converter */
1403 #define ATIHDMI_PIN_NID 0x03 /* HDMI output pin */
1404
1405 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1406 struct hda_codec *codec,
1407 unsigned int stream_tag,
1408 unsigned int format,
1409 struct snd_pcm_substream *substream)
1410 {
1411 struct hdmi_spec *spec = codec->spec;
1412 int chans = substream->runtime->channels;
1413 int i, err;
1414
1415 err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1416 substream);
1417 if (err < 0)
1418 return err;
1419 snd_hda_codec_write(codec, spec->cvt[0], 0, AC_VERB_SET_CVT_CHAN_COUNT,
1420 chans - 1);
1421 /* FIXME: XXX */
1422 for (i = 0; i < chans; i++) {
1423 snd_hda_codec_write(codec, spec->cvt[0], 0,
1424 AC_VERB_SET_HDMI_CHAN_SLOT,
1425 (i << 4) | i);
1426 }
1427 return 0;
1428 }
1429
1430 static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1431 .substreams = 1,
1432 .channels_min = 2,
1433 .channels_max = 2,
1434 .nid = ATIHDMI_CVT_NID,
1435 .ops = {
1436 .open = simple_playback_pcm_open,
1437 .close = simple_playback_pcm_close,
1438 .prepare = atihdmi_playback_pcm_prepare
1439 },
1440 };
1441
1442 static struct hda_verb atihdmi_basic_init[] = {
1443 /* enable digital output on pin widget */
1444 { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1445 {} /* terminator */
1446 };
1447
1448 static int atihdmi_init(struct hda_codec *codec)
1449 {
1450 struct hdmi_spec *spec = codec->spec;
1451
1452 snd_hda_sequence_write(codec, atihdmi_basic_init);
1453 /* SI codec requires to unmute the pin */
1454 if (get_wcaps(codec, spec->pin[0]) & AC_WCAP_OUT_AMP)
1455 snd_hda_codec_write(codec, spec->pin[0], 0,
1456 AC_VERB_SET_AMP_GAIN_MUTE,
1457 AMP_OUT_UNMUTE);
1458 return 0;
1459 }
1460
1461 static struct hda_codec_ops atihdmi_patch_ops = {
1462 .build_controls = generic_hdmi_build_controls,
1463 .build_pcms = generic_hdmi_build_pcms,
1464 .init = atihdmi_init,
1465 .free = generic_hdmi_free,
1466 };
1467
1468
1469 static int patch_atihdmi(struct hda_codec *codec)
1470 {
1471 struct hdmi_spec *spec;
1472
1473 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1474 if (spec == NULL)
1475 return -ENOMEM;
1476
1477 codec->spec = spec;
1478
1479 spec->multiout.num_dacs = 0; /* no analog */
1480 spec->multiout.max_channels = 2;
1481 spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1482 spec->num_cvts = 1;
1483 spec->cvt[0] = ATIHDMI_CVT_NID;
1484 spec->pin[0] = ATIHDMI_PIN_NID;
1485 spec->pcm_playback = &atihdmi_pcm_digital_playback;
1486
1487 codec->patch_ops = atihdmi_patch_ops;
1488
1489 return 0;
1490 }
1491
1492
1493 /*
1494 * patch entries
1495 */
1496 static struct hda_codec_preset snd_hda_preset_hdmi[] = {
1497 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
1498 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
1499 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
1500 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi },
1501 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
1502 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
1503 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
1504 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1505 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1506 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1507 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
1508 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
1509 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1510 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1511 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi_8ch_89 },
1512 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1513 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1514 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1515 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1516 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1517 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1518 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1519 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1520 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1521 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1522 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1523 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1524 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1525 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1526 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1527 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi_8ch_89 },
1528 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
1529 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
1530 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1531 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
1532 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
1533 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
1534 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
1535 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1536 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
1537 {} /* terminator */
1538 };
1539
1540 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1541 MODULE_ALIAS("snd-hda-codec-id:10027919");
1542 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1543 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1544 MODULE_ALIAS("snd-hda-codec-id:10951390");
1545 MODULE_ALIAS("snd-hda-codec-id:10951392");
1546 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1547 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1548 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1549 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1550 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1551 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1552 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1553 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1554 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1555 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1556 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1557 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1558 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1559 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1560 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1561 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1562 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1563 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1564 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1565 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1566 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1567 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1568 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1569 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1570 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1571 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1572 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1573 MODULE_ALIAS("snd-hda-codec-id:80860054");
1574 MODULE_ALIAS("snd-hda-codec-id:80862801");
1575 MODULE_ALIAS("snd-hda-codec-id:80862802");
1576 MODULE_ALIAS("snd-hda-codec-id:80862803");
1577 MODULE_ALIAS("snd-hda-codec-id:80862804");
1578 MODULE_ALIAS("snd-hda-codec-id:80862805");
1579 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1580
1581 MODULE_LICENSE("GPL");
1582 MODULE_DESCRIPTION("HDMI HD-audio codec");
1583 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1584 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1585 MODULE_ALIAS("snd-hda-codec-atihdmi");
1586
1587 static struct hda_codec_preset_list intel_list = {
1588 .preset = snd_hda_preset_hdmi,
1589 .owner = THIS_MODULE,
1590 };
1591
1592 static int __init patch_hdmi_init(void)
1593 {
1594 return snd_hda_add_codec_preset(&intel_list);
1595 }
1596
1597 static void __exit patch_hdmi_exit(void)
1598 {
1599 snd_hda_delete_codec_preset(&intel_list);
1600 }
1601
1602 module_init(patch_hdmi_init)
1603 module_exit(patch_hdmi_exit)
AMDTP streaming driver for the Linux FireWire stack (Juju)