]> bbs.cooldavid.org Git - net-next-2.6.git/blame - sound/pci/hda/patch_intelhdmi.c
git://bbs.cooldavid.org / net-next-2.6.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ALSA: hda - remove intelhdmi dependency on multiout
[net-next-2.6.git] / sound / pci / hda / patch_intelhdmi.c
CommitLineData
91504877
WF		 1/*
2 *
3 * patch_intelhdmi.c - Patch for Intel HDMI codecs
4 *
5 * Copyright(c) 2008 Intel Corporation. All rights reserved.
6 *
7 * Authors:
8 * Jiang Zhe <zhe.jiang@intel.com>
9 * Wu Fengguang <wfg@linux.intel.com>
10 *
11 * Maintained by:
12 * Wu Fengguang <wfg@linux.intel.com>
13 *
14 * This program is free software; you can redistribute it and/or modify it
15 * under the terms of the GNU General Public License as published by the Free
16 * Software Foundation; either version 2 of the License, or (at your option)
17 * any later version.
18 *
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
21 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 * for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 */
28
29#include <linux/init.h>
30#include <linux/delay.h>
31#include <linux/slab.h>
32#include <sound/core.h>
91504877
WF		 33#include "hda_codec.h"
34#include "hda_local.h"
91504877 35
559059b2
WF		 36static hda_nid_t cvt_nid; /* audio converter */
37static hda_nid_t pin_nid; /* HDMI output pin */
91504877
WF		 38
39#define INTEL_HDMI_EVENT_TAG 0x08
40
91504877 41struct intel_hdmi_spec {
91504877 42 struct hda_pcm pcm_rec;
5b87ebb7 43 struct hdmi_eld sink_eld;
91504877
WF		 44};
45
91504877
WF		 46struct hdmi_audio_infoframe {
47 u8 type; /* 0x84 */
48 u8 ver; /* 0x01 */
49 u8 len; /* 0x0a */
50
51 u8 checksum; /* PB0 */
52 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
53 u8 SS01_SF24;
54 u8 CXT04;
55 u8 CA;
56 u8 LFEPBL01_LSV36_DM_INH7;
4e19c58f 57 u8 reserved[5]; /* PB6 - PB10 */
91504877
WF		 58};
59
698544de
WF		 60/*
61 * CEA speaker placement:
62 *
63 * FLH FCH FRH
64 * FLW FL FLC FC FRC FR FRW
65 *
66 * LFE
67 * TC
68 *
69 * RL RLC RC RRC RR
70 *
71 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
72 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
73 */
74enum cea_speaker_placement {
75 FL = (1 << 0), /* Front Left */
76 FC = (1 << 1), /* Front Center */
77 FR = (1 << 2), /* Front Right */
78 FLC = (1 << 3), /* Front Left Center */
79 FRC = (1 << 4), /* Front Right Center */
80 RL = (1 << 5), /* Rear Left */
81 RC = (1 << 6), /* Rear Center */
82 RR = (1 << 7), /* Rear Right */
83 RLC = (1 << 8), /* Rear Left Center */
84 RRC = (1 << 9), /* Rear Right Center */
85 LFE = (1 << 10), /* Low Frequency Effect */
86 FLW = (1 << 11), /* Front Left Wide */
87 FRW = (1 << 12), /* Front Right Wide */
88 FLH = (1 << 13), /* Front Left High */
89 FCH = (1 << 14), /* Front Center High */
90 FRH = (1 << 15), /* Front Right High */
91 TC = (1 << 16), /* Top Center */
92};
93
94/*
95 * ELD SA bits in the CEA Speaker Allocation data block
96 */
97static int eld_speaker_allocation_bits[] = {
98 [0] = FL | FR,
99 [1] = LFE,
100 [2] = FC,
101 [3] = RL | RR,
102 [4] = RC,
103 [5] = FLC | FRC,
104 [6] = RLC | RRC,
105 /* the following are not defined in ELD yet */
106 [7] = FLW | FRW,
107 [8] = FLH | FRH,
108 [9] = TC,
109 [10] = FCH,
110};
111
112struct cea_channel_speaker_allocation {
113 int ca_index;
114 int speakers[8];
115
116 /* derived values, just for convenience */
117 int channels;
118 int spk_mask;
119};
120
121/*
122 * This is an ordered list!
123 *
124 * The preceding ones have better chances to be selected by
125 * hdmi_setup_channel_allocation().
126 */
127static struct cea_channel_speaker_allocation channel_allocations[] = {
128/* channel: 8 7 6 5 4 3 2 1 */
129{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
130 /* 2.1 */
131{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
4e19c58f 132 /* Dolby Surround */
698544de
WF		 133{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
134{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
135{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
136{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
137{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
138{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
139{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
140{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
141{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
142 /* 5.1 */
143{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
144{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
145{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
146{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
147 /* 6.1 */
148{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
149{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
150{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
151{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
152 /* 7.1 */
153{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
154{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
155{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
156{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
157{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
158{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
159{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
160{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
161{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
162{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
163{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
164{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
165{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
166{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
167{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
168{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
169{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
170{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
171{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
172{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
173{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
174{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
175{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
176{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
177{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
178{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
179{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
180{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
181{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
182{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
183{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
184};
185
91504877
WF		 186/*
187 * HDMI routines
188 */
189
beb0b9cf 190#ifdef BE_PARANOID
6797cf2b 191static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
91504877
WF		 192 int *packet_index, int *byte_index)
193{
194 int val;
195
6797cf2b
WF		 196 val = snd_hda_codec_read(codec, pin_nid, 0,
197 AC_VERB_GET_HDMI_DIP_INDEX, 0);
91504877
WF		 198
199 *packet_index = val >> 5;
200 *byte_index = val & 0x1f;
201}
beb0b9cf 202#endif
91504877 203
6797cf2b 204static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
91504877
WF		 205 int packet_index, int byte_index)
206{
207 int val;
208
209 val = (packet_index << 5) | (byte_index & 0x1f);
210
6797cf2b 211 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
91504877
WF		 212}
213
6797cf2b 214static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
91504877
WF		 215 unsigned char val)
216{
6797cf2b 217 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
91504877
WF		 218}
219
6797cf2b 220static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
91504877 221{
796359d1 222 /* Unmute */
559059b2
WF		 223 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
224 snd_hda_codec_write(codec, pin_nid, 0,
796359d1
WF		 225 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
226 /* Enable pin out */
559059b2
WF		 227 snd_hda_codec_write(codec, pin_nid, 0,
228 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
91504877
WF		 229}
230
606c0cee
WF		 231/*
232 * Enable Audio InfoFrame Transmission
233 */
6797cf2b
WF		 234static void hdmi_start_infoframe_trans(struct hda_codec *codec,
235 hda_nid_t pin_nid)
91504877 236{
559059b2
WF		 237 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
238 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
606c0cee
WF		 239 AC_DIPXMIT_BEST);
240}
91504877 241
606c0cee
WF		 242/*
243 * Disable Audio InfoFrame Transmission
244 */
6797cf2b
WF		 245static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
246 hda_nid_t pin_nid)
606c0cee 247{
559059b2
WF		 248 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
249 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
606c0cee 250 AC_DIPXMIT_DISABLE);
91504877
WF		 251}
252
6797cf2b 253static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
91504877 254{
6797cf2b 255 return 1 + snd_hda_codec_read(codec, nid, 0,
91504877
WF		 256 AC_VERB_GET_CVT_CHAN_COUNT, 0);
257}
258
6797cf2b
WF		 259static void hdmi_set_channel_count(struct hda_codec *codec,
260 hda_nid_t nid, int chs)
91504877 261{
6797cf2b 262 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
91504877 263
6797cf2b
WF		 264#ifdef CONFIG_SND_DEBUG_VERBOSE
265 if (chs != hdmi_get_channel_count(codec, nid))
03284c8f 266 snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
6797cf2b
WF		 267 chs, hdmi_get_channel_count(codec, nid));
268#endif
91504877
WF		 269}
270
6797cf2b 271static void hdmi_debug_channel_mapping(struct hda_codec *codec, hda_nid_t nid)
91504877
WF		 272{
273#ifdef CONFIG_SND_DEBUG_VERBOSE
274 int i;
275 int slot;
276
277 for (i = 0; i < 8; i++) {
6797cf2b 278 slot = snd_hda_codec_read(codec, nid, 0,
91504877 279 AC_VERB_GET_HDMI_CHAN_SLOT, i);
03284c8f 280 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
4e19c58f 281 slot >> 4, slot & 0x7);
91504877
WF		 282 }
283#endif
284}
285
91504877
WF		 286static void hdmi_parse_eld(struct hda_codec *codec)
287{
7f4a9f43 288 struct intel_hdmi_spec *spec = codec->spec;
5b87ebb7 289 struct hdmi_eld *eld = &spec->sink_eld;
91504877 290
559059b2 291 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
7f4a9f43 292 snd_hdmi_show_eld(eld);
91504877
WF		 293}
294
295
296/*
4e19c58f 297 * Audio InfoFrame routines
91504877
WF		 298 */
299
6797cf2b 300static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
91504877
WF		 301{
302#ifdef CONFIG_SND_DEBUG_VERBOSE
303 int i;
304 int size;
305
559059b2 306 size = snd_hdmi_get_eld_size(codec, pin_nid);
03284c8f 307 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
91504877
WF		 308
309 for (i = 0; i < 8; i++) {
559059b2 310 size = snd_hda_codec_read(codec, pin_nid, 0,
91504877 311 AC_VERB_GET_HDMI_DIP_SIZE, i);
03284c8f 312 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
91504877
WF		 313 }
314#endif
315}
316
6797cf2b 317static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
91504877
WF		 318{
319#ifdef BE_PARANOID
320 int i, j;
321 int size;
322 int pi, bi;
323 for (i = 0; i < 8; i++) {
559059b2 324 size = snd_hda_codec_read(codec, pin_nid, 0,
91504877
WF		 325 AC_VERB_GET_HDMI_DIP_SIZE, i);
326 if (size == 0)
327 continue;
328
559059b2 329 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
91504877 330 for (j = 1; j < 1000; j++) {
559059b2
WF		 331 hdmi_write_dip_byte(codec, pin_nid, 0x0);
332 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
91504877
WF		 333 if (pi != i)
334 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
335 bi, pi, i);
336 if (bi == 0) /* byte index wrapped around */
337 break;
338 }
339 snd_printd(KERN_INFO
03284c8f
WF		 340 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
341 i, size, j);
91504877
WF		 342 }
343#endif
344}
345
5457a980 346static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
6797cf2b
WF		 347 hda_nid_t pin_nid,
348 struct hdmi_audio_infoframe *ai)
5457a980
WF		 349{
350 u8 *params = (u8 *)ai;
9a957a24 351 u8 sum = 0;
5457a980
WF		 352 int i;
353
6797cf2b
WF		 354 hdmi_debug_dip_size(codec, pin_nid);
355 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
5457a980 356
9a957a24
WF		 357 for (i = 0; i < sizeof(ai); i++)
358 sum += params[i];
359 ai->checksum = - sum;
360
559059b2 361 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
5457a980 362 for (i = 0; i < sizeof(ai); i++)
559059b2 363 hdmi_write_dip_byte(codec, pin_nid, params[i]);
5457a980
WF		 364}
365
698544de
WF		 366/*
367 * Compute derived values in channel_allocations[].
368 */
369static void init_channel_allocations(void)
370{
371 int i, j;
372 struct cea_channel_speaker_allocation *p;
373
374 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
375 p = channel_allocations + i;
376 p->channels = 0;
377 p->spk_mask = 0;
378 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
379 if (p->speakers[j]) {
380 p->channels++;
381 p->spk_mask |= p->speakers[j];
382 }
383 }
384}
385
386/*
387 * The transformation takes two steps:
388 *
389 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
390 * spk_mask => (channel_allocations[]) => ai->CA
391 *
392 * TODO: it could select the wrong CA from multiple candidates.
393*/
6797cf2b 394static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
698544de
WF		 395 struct hdmi_audio_infoframe *ai)
396{
397 struct intel_hdmi_spec *spec = codec->spec;
5b87ebb7 398 struct hdmi_eld *eld = &spec->sink_eld;
698544de
WF		 399 int i;
400 int spk_mask = 0;
401 int channels = 1 + (ai->CC02_CT47 & 0x7);
402 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
403
404 /*
405 * CA defaults to 0 for basic stereo audio
406 */
698544de
WF		 407 if (channels <= 2)
408 return 0;
409
a1667e4e
WF		 410 /*
411 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
412 * in console or for audio devices. Assume the highest speakers
413 * configuration, to _not_ prohibit multi-channel audio playback.
414 */
415 if (!eld->spk_alloc)
416 eld->spk_alloc = 0xffff;
417
698544de
WF		 418 /*
419 * expand ELD's speaker allocation mask
420 *
421 * ELD tells the speaker mask in a compact(paired) form,
b83923a3 422 * expand ELD's notions to match the ones used by Audio InfoFrame.
698544de
WF		 423 */
424 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
425 if (eld->spk_alloc & (1 << i))
426 spk_mask |= eld_speaker_allocation_bits[i];
427 }
428
429 /* search for the first working match in the CA table */
430 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
431 if (channels == channel_allocations[i].channels &&
432 (spk_mask & channel_allocations[i].spk_mask) ==
433 channel_allocations[i].spk_mask) {
434 ai->CA = channel_allocations[i].ca_index;
cc02b83c 435 break;
698544de
WF		 436 }
437 }
438
439 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
cc02b83c
WF		 440 snd_printdd(KERN_INFO
441 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
442 ai->CA, channels, buf);
443
444 return ai->CA;
698544de
WF		 445}
446
6797cf2b
WF		 447static void hdmi_setup_channel_mapping(struct hda_codec *codec, hda_nid_t nid,
448 struct hdmi_audio_infoframe *ai)
9c8641e8 449{
559059b2
WF		 450 int i;
451
9c8641e8
WF		 452 if (!ai->CA)
453 return;
454
455 /*
456 * TODO: adjust channel mapping if necessary
457 * ALSA sequence is front/surr/clfe/side?
458 */
459
559059b2 460 for (i = 0; i < 8; i++)
6797cf2b 461 snd_hda_codec_write(codec, nid, 0,
559059b2
WF		 462 AC_VERB_SET_HDMI_CHAN_SLOT,
463 (i << 4) | i);
464
6797cf2b 465 hdmi_debug_channel_mapping(codec, nid);
9c8641e8
WF		 466}
467
468
6797cf2b 469static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
91504877
WF		 470 struct snd_pcm_substream *substream)
471{
5457a980 472 struct hdmi_audio_infoframe ai = {
91504877
WF		 473 .type = 0x84,
474 .ver = 0x01,
475 .len = 0x0a,
476 .CC02_CT47 = substream->runtime->channels - 1,
477 };
91504877 478
6797cf2b
WF		 479 hdmi_setup_channel_allocation(codec, nid, &ai);
480 hdmi_setup_channel_mapping(codec, nid, &ai);
698544de 481
6797cf2b
WF		 482 hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
483 hdmi_start_infoframe_trans(codec, pin_nid);
91504877
WF		 484}
485
486
487/*
488 * Unsolicited events
489 */
490
491static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
492{
493 int pind = !!(res & AC_UNSOL_RES_PD);
494 int eldv = !!(res & AC_UNSOL_RES_ELDV);
495
03284c8f
WF		 496 printk(KERN_INFO
497 "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
498 pind, eldv);
91504877
WF		 499
500 if (pind && eldv) {
501 hdmi_parse_eld(codec);
502 /* TODO: do real things about ELD */
503 }
504}
505
506static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
507{
508 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
509 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
510 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
511
03284c8f
WF		 512 printk(KERN_INFO
513 "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
514 subtag,
515 cp_state,
516 cp_ready);
91504877 517
03284c8f 518 /* TODO */
91504877
WF		 519 if (cp_state)
520 ;
521 if (cp_ready)
522 ;
523}
524
525
526static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
527{
528 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
529 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
530
531 if (tag != INTEL_HDMI_EVENT_TAG) {
03284c8f 532 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
91504877
WF		 533 return;
534 }
535
536 if (subtag == 0)
537 hdmi_intrinsic_event(codec, res);
538 else
539 hdmi_non_intrinsic_event(codec, res);
540}
541
542/*
543 * Callbacks
544 */
545
546static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo,
4e19c58f
WF		 547 struct hda_codec *codec,
548 struct snd_pcm_substream *substream)
91504877 549{
7bedb011 550 return 0;
91504877
WF		 551}
552
553static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo,
4e19c58f
WF		 554 struct hda_codec *codec,
555 struct snd_pcm_substream *substream)
91504877
WF		 556{
557 struct intel_hdmi_spec *spec = codec->spec;
558
6797cf2b 559 hdmi_stop_infoframe_trans(codec, pin_nid);
91504877 560
7bedb011
WF		 561 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
562 return 0;
91504877
WF		 563}
564
565static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
566 struct hda_codec *codec,
567 unsigned int stream_tag,
568 unsigned int format,
569 struct snd_pcm_substream *substream)
570{
7bedb011
WF		 571 hdmi_set_channel_count(codec, cvt_nid,
572 substream->runtime->channels);
91504877 573
6797cf2b 574 hdmi_setup_audio_infoframe(codec, cvt_nid, substream);
91504877 575
7bedb011 576 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
91504877
WF		 577 return 0;
578}
579
580static struct hda_pcm_stream intel_hdmi_pcm_playback = {
581 .substreams = 1,
582 .channels_min = 2,
583 .channels_max = 8,
91504877 584 .ops = {
b83923a3
WF		 585 .open = intel_hdmi_playback_pcm_open,
586 .close = intel_hdmi_playback_pcm_close,
91504877
WF		 587 .prepare = intel_hdmi_playback_pcm_prepare
588 },
589};
590
591static int intel_hdmi_build_pcms(struct hda_codec *codec)
592{
593 struct intel_hdmi_spec *spec = codec->spec;
594 struct hda_pcm *info = &spec->pcm_rec;
595
596 codec->num_pcms = 1;
597 codec->pcm_info = info;
598
559059b2
WF		 599 /* NID to query formats and rates and setup streams */
600 intel_hdmi_pcm_playback.nid = cvt_nid;
601
91504877
WF		 602 info->name = "INTEL HDMI";
603 info->pcm_type = HDA_PCM_TYPE_HDMI;
604 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = intel_hdmi_pcm_playback;
605
606 return 0;
607}
608
609static int intel_hdmi_build_controls(struct hda_codec *codec)
610{
611 struct intel_hdmi_spec *spec = codec->spec;
612 int err;
613
7bedb011 614 err = snd_hda_create_spdif_out_ctls(codec, cvt_nid);
91504877
WF		 615 if (err < 0)
616 return err;
617
618 return 0;
619}
620
621static int intel_hdmi_init(struct hda_codec *codec)
622{
6797cf2b 623 hdmi_enable_output(codec, pin_nid);
91504877 624
559059b2
WF		 625 snd_hda_codec_write(codec, pin_nid, 0,
626 AC_VERB_SET_UNSOLICITED_ENABLE,
627 AC_USRSP_EN | INTEL_HDMI_EVENT_TAG);
91504877
WF		 628 return 0;
629}
630
631static void intel_hdmi_free(struct hda_codec *codec)
632{
f208dba9
TI		 633 struct intel_hdmi_spec *spec = codec->spec;
634
635 snd_hda_eld_proc_free(codec, &spec->sink_eld);
636 kfree(spec);
91504877
WF		 637}
638
639static struct hda_codec_ops intel_hdmi_patch_ops = {
640 .init = intel_hdmi_init,
641 .free = intel_hdmi_free,
642 .build_pcms = intel_hdmi_build_pcms,
643 .build_controls = intel_hdmi_build_controls,
644 .unsol_event = intel_hdmi_unsol_event,
645};
646
559059b2 647static int do_patch_intel_hdmi(struct hda_codec *codec)
91504877
WF		 648{
649 struct intel_hdmi_spec *spec;
650
651 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
652 if (spec == NULL)
653 return -ENOMEM;
654
91504877
WF		 655 codec->spec = spec;
656 codec->patch_ops = intel_hdmi_patch_ops;
657
5b87ebb7 658 snd_hda_eld_proc_new(codec, &spec->sink_eld);
5f1e71b1 659
698544de
WF		 660 init_channel_allocations();
661
91504877
WF		 662 return 0;
663}
664
559059b2
WF		 665static int patch_intel_hdmi(struct hda_codec *codec)
666{
667 cvt_nid = 0x02;
668 pin_nid = 0x03;
669 return do_patch_intel_hdmi(codec);
670}
671
672static int patch_intel_hdmi_ibexpeak(struct hda_codec *codec)
673{
674 cvt_nid = 0x02;
675 pin_nid = 0x04;
676 return do_patch_intel_hdmi(codec);
677}
678
1289e9e8 679static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
74c61133
TI		 680 { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
681 { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
682 { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
683 { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
739b47f1 684 { .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi_ibexpeak },
559059b2 685 { .id = 0x80860054, .name = "Q57 DEVIBX", .patch = patch_intel_hdmi_ibexpeak },
3a95cb97 686 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
91504877
WF		 687 {} /* terminator */
688};
1289e9e8
TI		 689
690MODULE_ALIAS("snd-hda-codec-id:808629fb");
691MODULE_ALIAS("snd-hda-codec-id:80862801");
692MODULE_ALIAS("snd-hda-codec-id:80862802");
693MODULE_ALIAS("snd-hda-codec-id:80862803");
a57c0eb6 694MODULE_ALIAS("snd-hda-codec-id:80862804");
87a8c370 695MODULE_ALIAS("snd-hda-codec-id:80860054");
1289e9e8
TI		 696MODULE_ALIAS("snd-hda-codec-id:10951392");
697
698MODULE_LICENSE("GPL");
699MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
700
701static struct hda_codec_preset_list intel_list = {
702 .preset = snd_hda_preset_intelhdmi,
703 .owner = THIS_MODULE,
704};
705
706static int __init patch_intelhdmi_init(void)
707{
708 return snd_hda_add_codec_preset(&intel_list);
709}
710
711static void __exit patch_intelhdmi_exit(void)
712{
713 snd_hda_delete_codec_preset(&intel_list);
714}
715
716module_init(patch_intelhdmi_init)
717module_exit(patch_intelhdmi_exit)
Clone of davem's net-next-2.6 tree