projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge remote-tracking branches 'spi/topic/img-spfi', 'spi/topic/imx', 'spi/topic...
[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 * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
10 *
11 * Authors:
12 * Wu Fengguang <wfg@linux.intel.com>
13 *
14 * Maintained by:
15 * Wu Fengguang <wfg@linux.intel.com>
16 *
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the Free
19 * Software Foundation; either version 2 of the License, or (at your option)
20 * any later version.
21 *
22 * This program is distributed in the hope that it will be useful, but
23 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
25 * for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software Foundation,
29 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32 #include <linux/init.h>
33 #include <linux/delay.h>
34 #include <linux/slab.h>
35 #include <linux/module.h>
36 #include <sound/core.h>
37 #include <sound/jack.h>
38 #include <sound/asoundef.h>
39 #include <sound/tlv.h>
40 #include "hda_codec.h"
41 #include "hda_local.h"
42 #include "hda_jack.h"
43
44 static bool static_hdmi_pcm;
45 module_param(static_hdmi_pcm, bool, 0644);
46 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
47
48 #define is_haswell(codec) ((codec)->vendor_id == 0x80862807)
49 #define is_broadwell(codec) ((codec)->vendor_id == 0x80862808)
50 #define is_skylake(codec) ((codec)->vendor_id == 0x80862809)
51 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
52 || is_skylake(codec))
53
54 #define is_valleyview(codec) ((codec)->vendor_id == 0x80862882)
55 #define is_cherryview(codec) ((codec)->vendor_id == 0x80862883)
56 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
57
58 struct hdmi_spec_per_cvt {
59 hda_nid_t cvt_nid;
60 int assigned;
61 unsigned int channels_min;
62 unsigned int channels_max;
63 u32 rates;
64 u64 formats;
65 unsigned int maxbps;
66 };
67
68 /* max. connections to a widget */
69 #define HDA_MAX_CONNECTIONS 32
70
71 struct hdmi_spec_per_pin {
72 hda_nid_t pin_nid;
73 int num_mux_nids;
74 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
75 int mux_idx;
76 hda_nid_t cvt_nid;
77
78 struct hda_codec *codec;
79 struct hdmi_eld sink_eld;
80 struct mutex lock;
81 struct delayed_work work;
82 struct snd_kcontrol *eld_ctl;
83 int repoll_count;
84 bool setup; /* the stream has been set up by prepare callback */
85 int channels; /* current number of channels */
86 bool non_pcm;
87 bool chmap_set; /* channel-map override by ALSA API? */
88 unsigned char chmap[8]; /* ALSA API channel-map */
89 char pcm_name[8]; /* filled in build_pcm callbacks */
90 #ifdef CONFIG_PROC_FS
91 struct snd_info_entry *proc_entry;
92 #endif
93 };
94
95 struct cea_channel_speaker_allocation;
96
97 /* operations used by generic code that can be overridden by patches */
98 struct hdmi_ops {
99 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
100 unsigned char *buf, int *eld_size);
101
102 /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
103 int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
104 int asp_slot);
105 int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
106 int asp_slot, int channel);
107
108 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
109 int ca, int active_channels, int conn_type);
110
111 /* enable/disable HBR (HD passthrough) */
112 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
113
114 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
115 hda_nid_t pin_nid, u32 stream_tag, int format);
116
117 /* Helpers for producing the channel map TLVs. These can be overridden
118 * for devices that have non-standard mapping requirements. */
119 int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap,
120 int channels);
121 void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap,
122 unsigned int *chmap, int channels);
123
124 /* check that the user-given chmap is supported */
125 int (*chmap_validate)(int ca, int channels, unsigned char *chmap);
126 };
127
128 struct hdmi_spec {
129 int num_cvts;
130 struct snd_array cvts; /* struct hdmi_spec_per_cvt */
131 hda_nid_t cvt_nids[4]; /* only for haswell fix */
132
133 int num_pins;
134 struct snd_array pins; /* struct hdmi_spec_per_pin */
135 struct snd_array pcm_rec; /* struct hda_pcm */
136 unsigned int channels_max; /* max over all cvts */
137
138 struct hdmi_eld temp_eld;
139 struct hdmi_ops ops;
140
141 bool dyn_pin_out;
142
143 /*
144 * Non-generic VIA/NVIDIA specific
145 */
146 struct hda_multi_out multiout;
147 struct hda_pcm_stream pcm_playback;
148 };
149
150
151 struct hdmi_audio_infoframe {
152 u8 type; /* 0x84 */
153 u8 ver; /* 0x01 */
154 u8 len; /* 0x0a */
155
156 u8 checksum;
157
158 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
159 u8 SS01_SF24;
160 u8 CXT04;
161 u8 CA;
162 u8 LFEPBL01_LSV36_DM_INH7;
163 };
164
165 struct dp_audio_infoframe {
166 u8 type; /* 0x84 */
167 u8 len; /* 0x1b */
168 u8 ver; /* 0x11 << 2 */
169
170 u8 CC02_CT47; /* match with HDMI infoframe from this on */
171 u8 SS01_SF24;
172 u8 CXT04;
173 u8 CA;
174 u8 LFEPBL01_LSV36_DM_INH7;
175 };
176
177 union audio_infoframe {
178 struct hdmi_audio_infoframe hdmi;
179 struct dp_audio_infoframe dp;
180 u8 bytes[0];
181 };
182
183 /*
184 * CEA speaker placement:
185 *
186 * FLH FCH FRH
187 * FLW FL FLC FC FRC FR FRW
188 *
189 * LFE
190 * TC
191 *
192 * RL RLC RC RRC RR
193 *
194 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
195 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
196 */
197 enum cea_speaker_placement {
198 FL = (1 << 0), /* Front Left */
199 FC = (1 << 1), /* Front Center */
200 FR = (1 << 2), /* Front Right */
201 FLC = (1 << 3), /* Front Left Center */
202 FRC = (1 << 4), /* Front Right Center */
203 RL = (1 << 5), /* Rear Left */
204 RC = (1 << 6), /* Rear Center */
205 RR = (1 << 7), /* Rear Right */
206 RLC = (1 << 8), /* Rear Left Center */
207 RRC = (1 << 9), /* Rear Right Center */
208 LFE = (1 << 10), /* Low Frequency Effect */
209 FLW = (1 << 11), /* Front Left Wide */
210 FRW = (1 << 12), /* Front Right Wide */
211 FLH = (1 << 13), /* Front Left High */
212 FCH = (1 << 14), /* Front Center High */
213 FRH = (1 << 15), /* Front Right High */
214 TC = (1 << 16), /* Top Center */
215 };
216
217 /*
218 * ELD SA bits in the CEA Speaker Allocation data block
219 */
220 static int eld_speaker_allocation_bits[] = {
221 [0] = FL | FR,
222 [1] = LFE,
223 [2] = FC,
224 [3] = RL | RR,
225 [4] = RC,
226 [5] = FLC | FRC,
227 [6] = RLC | RRC,
228 /* the following are not defined in ELD yet */
229 [7] = FLW | FRW,
230 [8] = FLH | FRH,
231 [9] = TC,
232 [10] = FCH,
233 };
234
235 struct cea_channel_speaker_allocation {
236 int ca_index;
237 int speakers[8];
238
239 /* derived values, just for convenience */
240 int channels;
241 int spk_mask;
242 };
243
244 /*
245 * ALSA sequence is:
246 *
247 * surround40 surround41 surround50 surround51 surround71
248 * ch0 front left = = = =
249 * ch1 front right = = = =
250 * ch2 rear left = = = =
251 * ch3 rear right = = = =
252 * ch4 LFE center center center
253 * ch5 LFE LFE
254 * ch6 side left
255 * ch7 side right
256 *
257 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
258 */
259 static int hdmi_channel_mapping[0x32][8] = {
260 /* stereo */
261 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
262 /* 2.1 */
263 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
264 /* Dolby Surround */
265 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
266 /* surround40 */
267 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
268 /* 4ch */
269 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
270 /* surround41 */
271 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
272 /* surround50 */
273 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
274 /* surround51 */
275 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
276 /* 7.1 */
277 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
278 };
279
280 /*
281 * This is an ordered list!
282 *
283 * The preceding ones have better chances to be selected by
284 * hdmi_channel_allocation().
285 */
286 static struct cea_channel_speaker_allocation channel_allocations[] = {
287 /* channel: 7 6 5 4 3 2 1 0 */
288 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
289 /* 2.1 */
290 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
291 /* Dolby Surround */
292 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
293 /* surround40 */
294 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
295 /* surround41 */
296 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
297 /* surround50 */
298 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
299 /* surround51 */
300 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
301 /* 6.1 */
302 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
303 /* surround71 */
304 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
305
306 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
307 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
308 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
309 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
310 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
311 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
312 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
313 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
314 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
315 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
316 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
317 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
318 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
319 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
320 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
321 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
322 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
323 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
324 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
325 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
326 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
327 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
328 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
329 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
330 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
331 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
332 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
333 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
334 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
335 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
336 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
337 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
338 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
339 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
340 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
341 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
342 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
343 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
344 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
345 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
346 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
347 };
348
349
350 /*
351 * HDMI routines
352 */
353
354 #define get_pin(spec, idx) \
355 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
356 #define get_cvt(spec, idx) \
357 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx))
358 #define get_pcm_rec(spec, idx) \
359 ((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx))
360
361 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
362 {
363 struct hdmi_spec *spec = codec->spec;
364 int pin_idx;
365
366 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
367 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
368 return pin_idx;
369
370 codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
371 return -EINVAL;
372 }
373
374 static int hinfo_to_pin_index(struct hda_codec *codec,
375 struct hda_pcm_stream *hinfo)
376 {
377 struct hdmi_spec *spec = codec->spec;
378 int pin_idx;
379
380 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
381 if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
382 return pin_idx;
383
384 codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
385 return -EINVAL;
386 }
387
388 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
389 {
390 struct hdmi_spec *spec = codec->spec;
391 int cvt_idx;
392
393 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
394 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
395 return cvt_idx;
396
397 codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
398 return -EINVAL;
399 }
400
401 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
402 struct snd_ctl_elem_info *uinfo)
403 {
404 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
405 struct hdmi_spec *spec = codec->spec;
406 struct hdmi_spec_per_pin *per_pin;
407 struct hdmi_eld *eld;
408 int pin_idx;
409
410 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
411
412 pin_idx = kcontrol->private_value;
413 per_pin = get_pin(spec, pin_idx);
414 eld = &per_pin->sink_eld;
415
416 mutex_lock(&per_pin->lock);
417 uinfo->count = eld->eld_valid ? eld->eld_size : 0;
418 mutex_unlock(&per_pin->lock);
419
420 return 0;
421 }
422
423 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
424 struct snd_ctl_elem_value *ucontrol)
425 {
426 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
427 struct hdmi_spec *spec = codec->spec;
428 struct hdmi_spec_per_pin *per_pin;
429 struct hdmi_eld *eld;
430 int pin_idx;
431
432 pin_idx = kcontrol->private_value;
433 per_pin = get_pin(spec, pin_idx);
434 eld = &per_pin->sink_eld;
435
436 mutex_lock(&per_pin->lock);
437 if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
438 mutex_unlock(&per_pin->lock);
439 snd_BUG();
440 return -EINVAL;
441 }
442
443 memset(ucontrol->value.bytes.data, 0,
444 ARRAY_SIZE(ucontrol->value.bytes.data));
445 if (eld->eld_valid)
446 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
447 eld->eld_size);
448 mutex_unlock(&per_pin->lock);
449
450 return 0;
451 }
452
453 static struct snd_kcontrol_new eld_bytes_ctl = {
454 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
455 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
456 .name = "ELD",
457 .info = hdmi_eld_ctl_info,
458 .get = hdmi_eld_ctl_get,
459 };
460
461 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
462 int device)
463 {
464 struct snd_kcontrol *kctl;
465 struct hdmi_spec *spec = codec->spec;
466 int err;
467
468 kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
469 if (!kctl)
470 return -ENOMEM;
471 kctl->private_value = pin_idx;
472 kctl->id.device = device;
473
474 err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
475 if (err < 0)
476 return err;
477
478 get_pin(spec, pin_idx)->eld_ctl = kctl;
479 return 0;
480 }
481
482 #ifdef BE_PARANOID
483 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
484 int *packet_index, int *byte_index)
485 {
486 int val;
487
488 val = snd_hda_codec_read(codec, pin_nid, 0,
489 AC_VERB_GET_HDMI_DIP_INDEX, 0);
490
491 *packet_index = val >> 5;
492 *byte_index = val & 0x1f;
493 }
494 #endif
495
496 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
497 int packet_index, int byte_index)
498 {
499 int val;
500
501 val = (packet_index << 5) | (byte_index & 0x1f);
502
503 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
504 }
505
506 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
507 unsigned char val)
508 {
509 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
510 }
511
512 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
513 {
514 struct hdmi_spec *spec = codec->spec;
515 int pin_out;
516
517 /* Unmute */
518 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
519 snd_hda_codec_write(codec, pin_nid, 0,
520 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
521
522 if (spec->dyn_pin_out)
523 /* Disable pin out until stream is active */
524 pin_out = 0;
525 else
526 /* Enable pin out: some machines with GM965 gets broken output
527 * when the pin is disabled or changed while using with HDMI
528 */
529 pin_out = PIN_OUT;
530
531 snd_hda_codec_write(codec, pin_nid, 0,
532 AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
533 }
534
535 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
536 {
537 return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
538 AC_VERB_GET_CVT_CHAN_COUNT, 0);
539 }
540
541 static void hdmi_set_channel_count(struct hda_codec *codec,
542 hda_nid_t cvt_nid, int chs)
543 {
544 if (chs != hdmi_get_channel_count(codec, cvt_nid))
545 snd_hda_codec_write(codec, cvt_nid, 0,
546 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
547 }
548
549 /*
550 * ELD proc files
551 */
552
553 #ifdef CONFIG_PROC_FS
554 static void print_eld_info(struct snd_info_entry *entry,
555 struct snd_info_buffer *buffer)
556 {
557 struct hdmi_spec_per_pin *per_pin = entry->private_data;
558
559 mutex_lock(&per_pin->lock);
560 snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
561 mutex_unlock(&per_pin->lock);
562 }
563
564 static void write_eld_info(struct snd_info_entry *entry,
565 struct snd_info_buffer *buffer)
566 {
567 struct hdmi_spec_per_pin *per_pin = entry->private_data;
568
569 mutex_lock(&per_pin->lock);
570 snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
571 mutex_unlock(&per_pin->lock);
572 }
573
574 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
575 {
576 char name[32];
577 struct hda_codec *codec = per_pin->codec;
578 struct snd_info_entry *entry;
579 int err;
580
581 snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
582 err = snd_card_proc_new(codec->bus->card, name, &entry);
583 if (err < 0)
584 return err;
585
586 snd_info_set_text_ops(entry, per_pin, print_eld_info);
587 entry->c.text.write = write_eld_info;
588 entry->mode |= S_IWUSR;
589 per_pin->proc_entry = entry;
590
591 return 0;
592 }
593
594 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
595 {
596 if (!per_pin->codec->bus->shutdown && per_pin->proc_entry) {
597 snd_device_free(per_pin->codec->bus->card, per_pin->proc_entry);
598 per_pin->proc_entry = NULL;
599 }
600 }
601 #else
602 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
603 int index)
604 {
605 return 0;
606 }
607 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
608 {
609 }
610 #endif
611
612 /*
613 * Channel mapping routines
614 */
615
616 /*
617 * Compute derived values in channel_allocations[].
618 */
619 static void init_channel_allocations(void)
620 {
621 int i, j;
622 struct cea_channel_speaker_allocation *p;
623
624 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
625 p = channel_allocations + i;
626 p->channels = 0;
627 p->spk_mask = 0;
628 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
629 if (p->speakers[j]) {
630 p->channels++;
631 p->spk_mask |= p->speakers[j];
632 }
633 }
634 }
635
636 static int get_channel_allocation_order(int ca)
637 {
638 int i;
639
640 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
641 if (channel_allocations[i].ca_index == ca)
642 break;
643 }
644 return i;
645 }
646
647 /*
648 * The transformation takes two steps:
649 *
650 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
651 * spk_mask => (channel_allocations[]) => ai->CA
652 *
653 * TODO: it could select the wrong CA from multiple candidates.
654 */
655 static int hdmi_channel_allocation(struct hda_codec *codec,
656 struct hdmi_eld *eld, int channels)
657 {
658 int i;
659 int ca = 0;
660 int spk_mask = 0;
661 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
662
663 /*
664 * CA defaults to 0 for basic stereo audio
665 */
666 if (channels <= 2)
667 return 0;
668
669 /*
670 * expand ELD's speaker allocation mask
671 *
672 * ELD tells the speaker mask in a compact(paired) form,
673 * expand ELD's notions to match the ones used by Audio InfoFrame.
674 */
675 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
676 if (eld->info.spk_alloc & (1 << i))
677 spk_mask |= eld_speaker_allocation_bits[i];
678 }
679
680 /* search for the first working match in the CA table */
681 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
682 if (channels == channel_allocations[i].channels &&
683 (spk_mask & channel_allocations[i].spk_mask) ==
684 channel_allocations[i].spk_mask) {
685 ca = channel_allocations[i].ca_index;
686 break;
687 }
688 }
689
690 if (!ca) {
691 /* if there was no match, select the regular ALSA channel
692 * allocation with the matching number of channels */
693 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
694 if (channels == channel_allocations[i].channels) {
695 ca = channel_allocations[i].ca_index;
696 break;
697 }
698 }
699 }
700
701 snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
702 codec_dbg(codec, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
703 ca, channels, buf);
704
705 return ca;
706 }
707
708 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
709 hda_nid_t pin_nid)
710 {
711 #ifdef CONFIG_SND_DEBUG_VERBOSE
712 struct hdmi_spec *spec = codec->spec;
713 int i;
714 int channel;
715
716 for (i = 0; i < 8; i++) {
717 channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i);
718 codec_dbg(codec, "HDMI: ASP channel %d => slot %d\n",
719 channel, i);
720 }
721 #endif
722 }
723
724 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
725 hda_nid_t pin_nid,
726 bool non_pcm,
727 int ca)
728 {
729 struct hdmi_spec *spec = codec->spec;
730 struct cea_channel_speaker_allocation *ch_alloc;
731 int i;
732 int err;
733 int order;
734 int non_pcm_mapping[8];
735
736 order = get_channel_allocation_order(ca);
737 ch_alloc = &channel_allocations[order];
738
739 if (hdmi_channel_mapping[ca][1] == 0) {
740 int hdmi_slot = 0;
741 /* fill actual channel mappings in ALSA channel (i) order */
742 for (i = 0; i < ch_alloc->channels; i++) {
743 while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
744 hdmi_slot++; /* skip zero slots */
745
746 hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
747 }
748 /* fill the rest of the slots with ALSA channel 0xf */
749 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
750 if (!ch_alloc->speakers[7 - hdmi_slot])
751 hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
752 }
753
754 if (non_pcm) {
755 for (i = 0; i < ch_alloc->channels; i++)
756 non_pcm_mapping[i] = (i << 4) | i;
757 for (; i < 8; i++)
758 non_pcm_mapping[i] = (0xf << 4) | i;
759 }
760
761 for (i = 0; i < 8; i++) {
762 int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
763 int hdmi_slot = slotsetup & 0x0f;
764 int channel = (slotsetup & 0xf0) >> 4;
765 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel);
766 if (err) {
767 codec_dbg(codec, "HDMI: channel mapping failed\n");
768 break;
769 }
770 }
771 }
772
773 struct channel_map_table {
774 unsigned char map; /* ALSA API channel map position */
775 int spk_mask; /* speaker position bit mask */
776 };
777
778 static struct channel_map_table map_tables[] = {
779 { SNDRV_CHMAP_FL, FL },
780 { SNDRV_CHMAP_FR, FR },
781 { SNDRV_CHMAP_RL, RL },
782 { SNDRV_CHMAP_RR, RR },
783 { SNDRV_CHMAP_LFE, LFE },
784 { SNDRV_CHMAP_FC, FC },
785 { SNDRV_CHMAP_RLC, RLC },
786 { SNDRV_CHMAP_RRC, RRC },
787 { SNDRV_CHMAP_RC, RC },
788 { SNDRV_CHMAP_FLC, FLC },
789 { SNDRV_CHMAP_FRC, FRC },
790 { SNDRV_CHMAP_TFL, FLH },
791 { SNDRV_CHMAP_TFR, FRH },
792 { SNDRV_CHMAP_FLW, FLW },
793 { SNDRV_CHMAP_FRW, FRW },
794 { SNDRV_CHMAP_TC, TC },
795 { SNDRV_CHMAP_TFC, FCH },
796 {} /* terminator */
797 };
798
799 /* from ALSA API channel position to speaker bit mask */
800 static int to_spk_mask(unsigned char c)
801 {
802 struct channel_map_table *t = map_tables;
803 for (; t->map; t++) {
804 if (t->map == c)
805 return t->spk_mask;
806 }
807 return 0;
808 }
809
810 /* from ALSA API channel position to CEA slot */
811 static int to_cea_slot(int ordered_ca, unsigned char pos)
812 {
813 int mask = to_spk_mask(pos);
814 int i;
815
816 if (mask) {
817 for (i = 0; i < 8; i++) {
818 if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
819 return i;
820 }
821 }
822
823 return -1;
824 }
825
826 /* from speaker bit mask to ALSA API channel position */
827 static int spk_to_chmap(int spk)
828 {
829 struct channel_map_table *t = map_tables;
830 for (; t->map; t++) {
831 if (t->spk_mask == spk)
832 return t->map;
833 }
834 return 0;
835 }
836
837 /* from CEA slot to ALSA API channel position */
838 static int from_cea_slot(int ordered_ca, unsigned char slot)
839 {
840 int mask = channel_allocations[ordered_ca].speakers[7 - slot];
841
842 return spk_to_chmap(mask);
843 }
844
845 /* get the CA index corresponding to the given ALSA API channel map */
846 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
847 {
848 int i, spks = 0, spk_mask = 0;
849
850 for (i = 0; i < chs; i++) {
851 int mask = to_spk_mask(map[i]);
852 if (mask) {
853 spk_mask |= mask;
854 spks++;
855 }
856 }
857
858 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
859 if ((chs == channel_allocations[i].channels ||
860 spks == channel_allocations[i].channels) &&
861 (spk_mask & channel_allocations[i].spk_mask) ==
862 channel_allocations[i].spk_mask)
863 return channel_allocations[i].ca_index;
864 }
865 return -1;
866 }
867
868 /* set up the channel slots for the given ALSA API channel map */
869 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
870 hda_nid_t pin_nid,
871 int chs, unsigned char *map,
872 int ca)
873 {
874 struct hdmi_spec *spec = codec->spec;
875 int ordered_ca = get_channel_allocation_order(ca);
876 int alsa_pos, hdmi_slot;
877 int assignments[8] = {[0 ... 7] = 0xf};
878
879 for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
880
881 hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
882
883 if (hdmi_slot < 0)
884 continue; /* unassigned channel */
885
886 assignments[hdmi_slot] = alsa_pos;
887 }
888
889 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
890 int err;
891
892 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot,
893 assignments[hdmi_slot]);
894 if (err)
895 return -EINVAL;
896 }
897 return 0;
898 }
899
900 /* store ALSA API channel map from the current default map */
901 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
902 {
903 int i;
904 int ordered_ca = get_channel_allocation_order(ca);
905 for (i = 0; i < 8; i++) {
906 if (i < channel_allocations[ordered_ca].channels)
907 map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
908 else
909 map[i] = 0;
910 }
911 }
912
913 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
914 hda_nid_t pin_nid, bool non_pcm, int ca,
915 int channels, unsigned char *map,
916 bool chmap_set)
917 {
918 if (!non_pcm && chmap_set) {
919 hdmi_manual_setup_channel_mapping(codec, pin_nid,
920 channels, map, ca);
921 } else {
922 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
923 hdmi_setup_fake_chmap(map, ca);
924 }
925
926 hdmi_debug_channel_mapping(codec, pin_nid);
927 }
928
929 static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
930 int asp_slot, int channel)
931 {
932 return snd_hda_codec_write(codec, pin_nid, 0,
933 AC_VERB_SET_HDMI_CHAN_SLOT,
934 (channel << 4) | asp_slot);
935 }
936
937 static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
938 int asp_slot)
939 {
940 return (snd_hda_codec_read(codec, pin_nid, 0,
941 AC_VERB_GET_HDMI_CHAN_SLOT,
942 asp_slot) & 0xf0) >> 4;
943 }
944
945 /*
946 * Audio InfoFrame routines
947 */
948
949 /*
950 * Enable Audio InfoFrame Transmission
951 */
952 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
953 hda_nid_t pin_nid)
954 {
955 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
956 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
957 AC_DIPXMIT_BEST);
958 }
959
960 /*
961 * Disable Audio InfoFrame Transmission
962 */
963 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
964 hda_nid_t pin_nid)
965 {
966 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
967 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
968 AC_DIPXMIT_DISABLE);
969 }
970
971 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
972 {
973 #ifdef CONFIG_SND_DEBUG_VERBOSE
974 int i;
975 int size;
976
977 size = snd_hdmi_get_eld_size(codec, pin_nid);
978 codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
979
980 for (i = 0; i < 8; i++) {
981 size = snd_hda_codec_read(codec, pin_nid, 0,
982 AC_VERB_GET_HDMI_DIP_SIZE, i);
983 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
984 }
985 #endif
986 }
987
988 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
989 {
990 #ifdef BE_PARANOID
991 int i, j;
992 int size;
993 int pi, bi;
994 for (i = 0; i < 8; i++) {
995 size = snd_hda_codec_read(codec, pin_nid, 0,
996 AC_VERB_GET_HDMI_DIP_SIZE, i);
997 if (size == 0)
998 continue;
999
1000 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
1001 for (j = 1; j < 1000; j++) {
1002 hdmi_write_dip_byte(codec, pin_nid, 0x0);
1003 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
1004 if (pi != i)
1005 codec_dbg(codec, "dip index %d: %d != %d\n",
1006 bi, pi, i);
1007 if (bi == 0) /* byte index wrapped around */
1008 break;
1009 }
1010 codec_dbg(codec,
1011 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
1012 i, size, j);
1013 }
1014 #endif
1015 }
1016
1017 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
1018 {
1019 u8 *bytes = (u8 *)hdmi_ai;
1020 u8 sum = 0;
1021 int i;
1022
1023 hdmi_ai->checksum = 0;
1024
1025 for (i = 0; i < sizeof(*hdmi_ai); i++)
1026 sum += bytes[i];
1027
1028 hdmi_ai->checksum = -sum;
1029 }
1030
1031 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
1032 hda_nid_t pin_nid,
1033 u8 *dip, int size)
1034 {
1035 int i;
1036
1037 hdmi_debug_dip_size(codec, pin_nid);
1038 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
1039
1040 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1041 for (i = 0; i < size; i++)
1042 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
1043 }
1044
1045 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
1046 u8 *dip, int size)
1047 {
1048 u8 val;
1049 int i;
1050
1051 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
1052 != AC_DIPXMIT_BEST)
1053 return false;
1054
1055 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1056 for (i = 0; i < size; i++) {
1057 val = snd_hda_codec_read(codec, pin_nid, 0,
1058 AC_VERB_GET_HDMI_DIP_DATA, 0);
1059 if (val != dip[i])
1060 return false;
1061 }
1062
1063 return true;
1064 }
1065
1066 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
1067 hda_nid_t pin_nid,
1068 int ca, int active_channels,
1069 int conn_type)
1070 {
1071 union audio_infoframe ai;
1072
1073 memset(&ai, 0, sizeof(ai));
1074 if (conn_type == 0) { /* HDMI */
1075 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
1076
1077 hdmi_ai->type = 0x84;
1078 hdmi_ai->ver = 0x01;
1079 hdmi_ai->len = 0x0a;
1080 hdmi_ai->CC02_CT47 = active_channels - 1;
1081 hdmi_ai->CA = ca;
1082 hdmi_checksum_audio_infoframe(hdmi_ai);
1083 } else if (conn_type == 1) { /* DisplayPort */
1084 struct dp_audio_infoframe *dp_ai = &ai.dp;
1085
1086 dp_ai->type = 0x84;
1087 dp_ai->len = 0x1b;
1088 dp_ai->ver = 0x11 << 2;
1089 dp_ai->CC02_CT47 = active_channels - 1;
1090 dp_ai->CA = ca;
1091 } else {
1092 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
1093 pin_nid);
1094 return;
1095 }
1096
1097 /*
1098 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
1099 * sizeof(*dp_ai) to avoid partial match/update problems when
1100 * the user switches between HDMI/DP monitors.
1101 */
1102 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
1103 sizeof(ai))) {
1104 codec_dbg(codec,
1105 "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
1106 pin_nid,
1107 active_channels, ca);
1108 hdmi_stop_infoframe_trans(codec, pin_nid);
1109 hdmi_fill_audio_infoframe(codec, pin_nid,
1110 ai.bytes, sizeof(ai));
1111 hdmi_start_infoframe_trans(codec, pin_nid);
1112 }
1113 }
1114
1115 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
1116 struct hdmi_spec_per_pin *per_pin,
1117 bool non_pcm)
1118 {
1119 struct hdmi_spec *spec = codec->spec;
1120 hda_nid_t pin_nid = per_pin->pin_nid;
1121 int channels = per_pin->channels;
1122 int active_channels;
1123 struct hdmi_eld *eld;
1124 int ca, ordered_ca;
1125
1126 if (!channels)
1127 return;
1128
1129 if (is_haswell_plus(codec))
1130 snd_hda_codec_write(codec, pin_nid, 0,
1131 AC_VERB_SET_AMP_GAIN_MUTE,
1132 AMP_OUT_UNMUTE);
1133
1134 eld = &per_pin->sink_eld;
1135
1136 if (!non_pcm && per_pin->chmap_set)
1137 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
1138 else
1139 ca = hdmi_channel_allocation(codec, eld, channels);
1140 if (ca < 0)
1141 ca = 0;
1142
1143 ordered_ca = get_channel_allocation_order(ca);
1144 active_channels = channel_allocations[ordered_ca].channels;
1145
1146 hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels);
1147
1148 /*
1149 * always configure channel mapping, it may have been changed by the
1150 * user in the meantime
1151 */
1152 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
1153 channels, per_pin->chmap,
1154 per_pin->chmap_set);
1155
1156 spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
1157 eld->info.conn_type);
1158
1159 per_pin->non_pcm = non_pcm;
1160 }
1161
1162 /*
1163 * Unsolicited events
1164 */
1165
1166 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
1167
1168 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
1169 {
1170 struct hdmi_spec *spec = codec->spec;
1171 int pin_idx = pin_nid_to_pin_index(codec, nid);
1172
1173 if (pin_idx < 0)
1174 return;
1175 if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
1176 snd_hda_jack_report_sync(codec);
1177 }
1178
1179 static void jack_callback(struct hda_codec *codec,
1180 struct hda_jack_callback *jack)
1181 {
1182 check_presence_and_report(codec, jack->tbl->nid);
1183 }
1184
1185 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
1186 {
1187 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1188 struct hda_jack_tbl *jack;
1189 int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
1190
1191 jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
1192 if (!jack)
1193 return;
1194 jack->jack_dirty = 1;
1195
1196 codec_dbg(codec,
1197 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
1198 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
1199 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
1200
1201 check_presence_and_report(codec, jack->nid);
1202 }
1203
1204 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
1205 {
1206 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1207 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1208 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
1209 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
1210
1211 codec_info(codec,
1212 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
1213 codec->addr,
1214 tag,
1215 subtag,
1216 cp_state,
1217 cp_ready);
1218
1219 /* TODO */
1220 if (cp_state)
1221 ;
1222 if (cp_ready)
1223 ;
1224 }
1225
1226
1227 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1228 {
1229 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1230 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1231
1232 if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1233 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
1234 return;
1235 }
1236
1237 if (subtag == 0)
1238 hdmi_intrinsic_event(codec, res);
1239 else
1240 hdmi_non_intrinsic_event(codec, res);
1241 }
1242
1243 static void haswell_verify_D0(struct hda_codec *codec,
1244 hda_nid_t cvt_nid, hda_nid_t nid)
1245 {
1246 int pwr;
1247
1248 /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1249 * thus pins could only choose converter 0 for use. Make sure the
1250 * converters are in correct power state */
1251 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1252 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1253
1254 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1255 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1256 AC_PWRST_D0);
1257 msleep(40);
1258 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1259 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1260 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1261 }
1262 }
1263
1264 /*
1265 * Callbacks
1266 */
1267
1268 /* HBR should be Non-PCM, 8 channels */
1269 #define is_hbr_format(format) \
1270 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1271
1272 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
1273 bool hbr)
1274 {
1275 int pinctl, new_pinctl;
1276
1277 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1278 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1279 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1280
1281 if (pinctl < 0)
1282 return hbr ? -EINVAL : 0;
1283
1284 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1285 if (hbr)
1286 new_pinctl |= AC_PINCTL_EPT_HBR;
1287 else
1288 new_pinctl |= AC_PINCTL_EPT_NATIVE;
1289
1290 codec_dbg(codec,
1291 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
1292 pin_nid,
1293 pinctl == new_pinctl ? "" : "new-",
1294 new_pinctl);
1295
1296 if (pinctl != new_pinctl)
1297 snd_hda_codec_write(codec, pin_nid, 0,
1298 AC_VERB_SET_PIN_WIDGET_CONTROL,
1299 new_pinctl);
1300 } else if (hbr)
1301 return -EINVAL;
1302
1303 return 0;
1304 }
1305
1306 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1307 hda_nid_t pin_nid, u32 stream_tag, int format)
1308 {
1309 struct hdmi_spec *spec = codec->spec;
1310 int err;
1311
1312 if (is_haswell_plus(codec))
1313 haswell_verify_D0(codec, cvt_nid, pin_nid);
1314
1315 err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
1316
1317 if (err) {
1318 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
1319 return err;
1320 }
1321
1322 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1323 return 0;
1324 }
1325
1326 static int hdmi_choose_cvt(struct hda_codec *codec,
1327 int pin_idx, int *cvt_id, int *mux_id)
1328 {
1329 struct hdmi_spec *spec = codec->spec;
1330 struct hdmi_spec_per_pin *per_pin;
1331 struct hdmi_spec_per_cvt *per_cvt = NULL;
1332 int cvt_idx, mux_idx = 0;
1333
1334 per_pin = get_pin(spec, pin_idx);
1335
1336 /* Dynamically assign converter to stream */
1337 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1338 per_cvt = get_cvt(spec, cvt_idx);
1339
1340 /* Must not already be assigned */
1341 if (per_cvt->assigned)
1342 continue;
1343 /* Must be in pin's mux's list of converters */
1344 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1345 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1346 break;
1347 /* Not in mux list */
1348 if (mux_idx == per_pin->num_mux_nids)
1349 continue;
1350 break;
1351 }
1352
1353 /* No free converters */
1354 if (cvt_idx == spec->num_cvts)
1355 return -ENODEV;
1356
1357 per_pin->mux_idx = mux_idx;
1358
1359 if (cvt_id)
1360 *cvt_id = cvt_idx;
1361 if (mux_id)
1362 *mux_id = mux_idx;
1363
1364 return 0;
1365 }
1366
1367 /* Assure the pin select the right convetor */
1368 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1369 struct hdmi_spec_per_pin *per_pin)
1370 {
1371 hda_nid_t pin_nid = per_pin->pin_nid;
1372 int mux_idx, curr;
1373
1374 mux_idx = per_pin->mux_idx;
1375 curr = snd_hda_codec_read(codec, pin_nid, 0,
1376 AC_VERB_GET_CONNECT_SEL, 0);
1377 if (curr != mux_idx)
1378 snd_hda_codec_write_cache(codec, pin_nid, 0,
1379 AC_VERB_SET_CONNECT_SEL,
1380 mux_idx);
1381 }
1382
1383 /* Intel HDMI workaround to fix audio routing issue:
1384 * For some Intel display codecs, pins share the same connection list.
1385 * So a conveter can be selected by multiple pins and playback on any of these
1386 * pins will generate sound on the external display, because audio flows from
1387 * the same converter to the display pipeline. Also muting one pin may make
1388 * other pins have no sound output.
1389 * So this function assures that an assigned converter for a pin is not selected
1390 * by any other pins.
1391 */
1392 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1393 hda_nid_t pin_nid, int mux_idx)
1394 {
1395 struct hdmi_spec *spec = codec->spec;
1396 hda_nid_t nid, end_nid;
1397 int cvt_idx, curr;
1398 struct hdmi_spec_per_cvt *per_cvt;
1399
1400 /* configure all pins, including "no physical connection" ones */
1401 end_nid = codec->start_nid + codec->num_nodes;
1402 for (nid = codec->start_nid; nid < end_nid; nid++) {
1403 unsigned int wid_caps = get_wcaps(codec, nid);
1404 unsigned int wid_type = get_wcaps_type(wid_caps);
1405
1406 if (wid_type != AC_WID_PIN)
1407 continue;
1408
1409 if (nid == pin_nid)
1410 continue;
1411
1412 curr = snd_hda_codec_read(codec, nid, 0,
1413 AC_VERB_GET_CONNECT_SEL, 0);
1414 if (curr != mux_idx)
1415 continue;
1416
1417 /* choose an unassigned converter. The conveters in the
1418 * connection list are in the same order as in the codec.
1419 */
1420 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1421 per_cvt = get_cvt(spec, cvt_idx);
1422 if (!per_cvt->assigned) {
1423 codec_dbg(codec,
1424 "choose cvt %d for pin nid %d\n",
1425 cvt_idx, nid);
1426 snd_hda_codec_write_cache(codec, nid, 0,
1427 AC_VERB_SET_CONNECT_SEL,
1428 cvt_idx);
1429 break;
1430 }
1431 }
1432 }
1433 }
1434
1435 /*
1436 * HDA PCM callbacks
1437 */
1438 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1439 struct hda_codec *codec,
1440 struct snd_pcm_substream *substream)
1441 {
1442 struct hdmi_spec *spec = codec->spec;
1443 struct snd_pcm_runtime *runtime = substream->runtime;
1444 int pin_idx, cvt_idx, mux_idx = 0;
1445 struct hdmi_spec_per_pin *per_pin;
1446 struct hdmi_eld *eld;
1447 struct hdmi_spec_per_cvt *per_cvt = NULL;
1448 int err;
1449
1450 /* Validate hinfo */
1451 pin_idx = hinfo_to_pin_index(codec, hinfo);
1452 if (snd_BUG_ON(pin_idx < 0))
1453 return -EINVAL;
1454 per_pin = get_pin(spec, pin_idx);
1455 eld = &per_pin->sink_eld;
1456
1457 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1458 if (err < 0)
1459 return err;
1460
1461 per_cvt = get_cvt(spec, cvt_idx);
1462 /* Claim converter */
1463 per_cvt->assigned = 1;
1464 per_pin->cvt_nid = per_cvt->cvt_nid;
1465 hinfo->nid = per_cvt->cvt_nid;
1466
1467 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1468 AC_VERB_SET_CONNECT_SEL,
1469 mux_idx);
1470
1471 /* configure unused pins to choose other converters */
1472 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1473 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1474
1475 snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1476
1477 /* Initially set the converter's capabilities */
1478 hinfo->channels_min = per_cvt->channels_min;
1479 hinfo->channels_max = per_cvt->channels_max;
1480 hinfo->rates = per_cvt->rates;
1481 hinfo->formats = per_cvt->formats;
1482 hinfo->maxbps = per_cvt->maxbps;
1483
1484 /* Restrict capabilities by ELD if this isn't disabled */
1485 if (!static_hdmi_pcm && eld->eld_valid) {
1486 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1487 if (hinfo->channels_min > hinfo->channels_max ||
1488 !hinfo->rates || !hinfo->formats) {
1489 per_cvt->assigned = 0;
1490 hinfo->nid = 0;
1491 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1492 return -ENODEV;
1493 }
1494 }
1495
1496 /* Store the updated parameters */
1497 runtime->hw.channels_min = hinfo->channels_min;
1498 runtime->hw.channels_max = hinfo->channels_max;
1499 runtime->hw.formats = hinfo->formats;
1500 runtime->hw.rates = hinfo->rates;
1501
1502 snd_pcm_hw_constraint_step(substream->runtime, 0,
1503 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1504 return 0;
1505 }
1506
1507 /*
1508 * HDA/HDMI auto parsing
1509 */
1510 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1511 {
1512 struct hdmi_spec *spec = codec->spec;
1513 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1514 hda_nid_t pin_nid = per_pin->pin_nid;
1515
1516 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1517 codec_warn(codec,
1518 "HDMI: pin %d wcaps %#x does not support connection list\n",
1519 pin_nid, get_wcaps(codec, pin_nid));
1520 return -EINVAL;
1521 }
1522
1523 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1524 per_pin->mux_nids,
1525 HDA_MAX_CONNECTIONS);
1526
1527 return 0;
1528 }
1529
1530 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1531 {
1532 struct hda_jack_tbl *jack;
1533 struct hda_codec *codec = per_pin->codec;
1534 struct hdmi_spec *spec = codec->spec;
1535 struct hdmi_eld *eld = &spec->temp_eld;
1536 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1537 hda_nid_t pin_nid = per_pin->pin_nid;
1538 /*
1539 * Always execute a GetPinSense verb here, even when called from
1540 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1541 * response's PD bit is not the real PD value, but indicates that
1542 * the real PD value changed. An older version of the HD-audio
1543 * specification worked this way. Hence, we just ignore the data in
1544 * the unsolicited response to avoid custom WARs.
1545 */
1546 int present;
1547 bool update_eld = false;
1548 bool eld_changed = false;
1549 bool ret;
1550
1551 snd_hda_power_up(codec);
1552 present = snd_hda_pin_sense(codec, pin_nid);
1553
1554 mutex_lock(&per_pin->lock);
1555 pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1556 if (pin_eld->monitor_present)
1557 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
1558 else
1559 eld->eld_valid = false;
1560
1561 codec_dbg(codec,
1562 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1563 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1564
1565 if (eld->eld_valid) {
1566 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1567 &eld->eld_size) < 0)
1568 eld->eld_valid = false;
1569 else {
1570 memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1571 if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1572 eld->eld_size) < 0)
1573 eld->eld_valid = false;
1574 }
1575
1576 if (eld->eld_valid) {
1577 snd_hdmi_show_eld(codec, &eld->info);
1578 update_eld = true;
1579 }
1580 else if (repoll) {
1581 queue_delayed_work(codec->bus->workq,
1582 &per_pin->work,
1583 msecs_to_jiffies(300));
1584 goto unlock;
1585 }
1586 }
1587
1588 if (pin_eld->eld_valid != eld->eld_valid)
1589 eld_changed = true;
1590
1591 if (pin_eld->eld_valid && !eld->eld_valid)
1592 update_eld = true;
1593
1594 if (update_eld) {
1595 bool old_eld_valid = pin_eld->eld_valid;
1596 pin_eld->eld_valid = eld->eld_valid;
1597 if (pin_eld->eld_size != eld->eld_size ||
1598 memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1599 eld->eld_size) != 0) {
1600 memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1601 eld->eld_size);
1602 eld_changed = true;
1603 }
1604 pin_eld->eld_size = eld->eld_size;
1605 pin_eld->info = eld->info;
1606
1607 /*
1608 * Re-setup pin and infoframe. This is needed e.g. when
1609 * - sink is first plugged-in (infoframe is not set up if !monitor_present)
1610 * - transcoder can change during stream playback on Haswell
1611 * and this can make HW reset converter selection on a pin.
1612 */
1613 if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1614 if (is_haswell_plus(codec) ||
1615 is_valleyview_plus(codec)) {
1616 intel_verify_pin_cvt_connect(codec, per_pin);
1617 intel_not_share_assigned_cvt(codec, pin_nid,
1618 per_pin->mux_idx);
1619 }
1620
1621 hdmi_setup_audio_infoframe(codec, per_pin,
1622 per_pin->non_pcm);
1623 }
1624 }
1625
1626 if (eld_changed)
1627 snd_ctl_notify(codec->bus->card,
1628 SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1629 &per_pin->eld_ctl->id);
1630 unlock:
1631 ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1632
1633 jack = snd_hda_jack_tbl_get(codec, pin_nid);
1634 if (jack)
1635 jack->block_report = !ret;
1636
1637 mutex_unlock(&per_pin->lock);
1638 snd_hda_power_down(codec);
1639 return ret;
1640 }
1641
1642 static void hdmi_repoll_eld(struct work_struct *work)
1643 {
1644 struct hdmi_spec_per_pin *per_pin =
1645 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1646
1647 if (per_pin->repoll_count++ > 6)
1648 per_pin->repoll_count = 0;
1649
1650 if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1651 snd_hda_jack_report_sync(per_pin->codec);
1652 }
1653
1654 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1655 hda_nid_t nid);
1656
1657 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1658 {
1659 struct hdmi_spec *spec = codec->spec;
1660 unsigned int caps, config;
1661 int pin_idx;
1662 struct hdmi_spec_per_pin *per_pin;
1663 int err;
1664
1665 caps = snd_hda_query_pin_caps(codec, pin_nid);
1666 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1667 return 0;
1668
1669 config = snd_hda_codec_get_pincfg(codec, pin_nid);
1670 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1671 return 0;
1672
1673 if (is_haswell_plus(codec))
1674 intel_haswell_fixup_connect_list(codec, pin_nid);
1675
1676 pin_idx = spec->num_pins;
1677 per_pin = snd_array_new(&spec->pins);
1678 if (!per_pin)
1679 return -ENOMEM;
1680
1681 per_pin->pin_nid = pin_nid;
1682 per_pin->non_pcm = false;
1683
1684 err = hdmi_read_pin_conn(codec, pin_idx);
1685 if (err < 0)
1686 return err;
1687
1688 spec->num_pins++;
1689
1690 return 0;
1691 }
1692
1693 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1694 {
1695 struct hdmi_spec *spec = codec->spec;
1696 struct hdmi_spec_per_cvt *per_cvt;
1697 unsigned int chans;
1698 int err;
1699
1700 chans = get_wcaps(codec, cvt_nid);
1701 chans = get_wcaps_channels(chans);
1702
1703 per_cvt = snd_array_new(&spec->cvts);
1704 if (!per_cvt)
1705 return -ENOMEM;
1706
1707 per_cvt->cvt_nid = cvt_nid;
1708 per_cvt->channels_min = 2;
1709 if (chans <= 16) {
1710 per_cvt->channels_max = chans;
1711 if (chans > spec->channels_max)
1712 spec->channels_max = chans;
1713 }
1714
1715 err = snd_hda_query_supported_pcm(codec, cvt_nid,
1716 &per_cvt->rates,
1717 &per_cvt->formats,
1718 &per_cvt->maxbps);
1719 if (err < 0)
1720 return err;
1721
1722 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1723 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1724 spec->num_cvts++;
1725
1726 return 0;
1727 }
1728
1729 static int hdmi_parse_codec(struct hda_codec *codec)
1730 {
1731 hda_nid_t nid;
1732 int i, nodes;
1733
1734 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1735 if (!nid || nodes < 0) {
1736 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1737 return -EINVAL;
1738 }
1739
1740 for (i = 0; i < nodes; i++, nid++) {
1741 unsigned int caps;
1742 unsigned int type;
1743
1744 caps = get_wcaps(codec, nid);
1745 type = get_wcaps_type(caps);
1746
1747 if (!(caps & AC_WCAP_DIGITAL))
1748 continue;
1749
1750 switch (type) {
1751 case AC_WID_AUD_OUT:
1752 hdmi_add_cvt(codec, nid);
1753 break;
1754 case AC_WID_PIN:
1755 hdmi_add_pin(codec, nid);
1756 break;
1757 }
1758 }
1759
1760 return 0;
1761 }
1762
1763 /*
1764 */
1765 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1766 {
1767 struct hda_spdif_out *spdif;
1768 bool non_pcm;
1769
1770 mutex_lock(&codec->spdif_mutex);
1771 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1772 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1773 mutex_unlock(&codec->spdif_mutex);
1774 return non_pcm;
1775 }
1776
1777
1778 /*
1779 * HDMI callbacks
1780 */
1781
1782 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1783 struct hda_codec *codec,
1784 unsigned int stream_tag,
1785 unsigned int format,
1786 struct snd_pcm_substream *substream)
1787 {
1788 hda_nid_t cvt_nid = hinfo->nid;
1789 struct hdmi_spec *spec = codec->spec;
1790 int pin_idx = hinfo_to_pin_index(codec, hinfo);
1791 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1792 hda_nid_t pin_nid = per_pin->pin_nid;
1793 bool non_pcm;
1794 int pinctl;
1795
1796 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1797 /* Verify pin:cvt selections to avoid silent audio after S3.
1798 * After S3, the audio driver restores pin:cvt selections
1799 * but this can happen before gfx is ready and such selection
1800 * is overlooked by HW. Thus multiple pins can share a same
1801 * default convertor and mute control will affect each other,
1802 * which can cause a resumed audio playback become silent
1803 * after S3.
1804 */
1805 intel_verify_pin_cvt_connect(codec, per_pin);
1806 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1807 }
1808
1809 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1810 mutex_lock(&per_pin->lock);
1811 per_pin->channels = substream->runtime->channels;
1812 per_pin->setup = true;
1813
1814 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1815 mutex_unlock(&per_pin->lock);
1816
1817 if (spec->dyn_pin_out) {
1818 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1819 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1820 snd_hda_codec_write(codec, pin_nid, 0,
1821 AC_VERB_SET_PIN_WIDGET_CONTROL,
1822 pinctl | PIN_OUT);
1823 }
1824
1825 return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1826 }
1827
1828 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1829 struct hda_codec *codec,
1830 struct snd_pcm_substream *substream)
1831 {
1832 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1833 return 0;
1834 }
1835
1836 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1837 struct hda_codec *codec,
1838 struct snd_pcm_substream *substream)
1839 {
1840 struct hdmi_spec *spec = codec->spec;
1841 int cvt_idx, pin_idx;
1842 struct hdmi_spec_per_cvt *per_cvt;
1843 struct hdmi_spec_per_pin *per_pin;
1844 int pinctl;
1845
1846 if (hinfo->nid) {
1847 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1848 if (snd_BUG_ON(cvt_idx < 0))
1849 return -EINVAL;
1850 per_cvt = get_cvt(spec, cvt_idx);
1851
1852 snd_BUG_ON(!per_cvt->assigned);
1853 per_cvt->assigned = 0;
1854 hinfo->nid = 0;
1855
1856 pin_idx = hinfo_to_pin_index(codec, hinfo);
1857 if (snd_BUG_ON(pin_idx < 0))
1858 return -EINVAL;
1859 per_pin = get_pin(spec, pin_idx);
1860
1861 if (spec->dyn_pin_out) {
1862 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1863 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1864 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1865 AC_VERB_SET_PIN_WIDGET_CONTROL,
1866 pinctl & ~PIN_OUT);
1867 }
1868
1869 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1870
1871 mutex_lock(&per_pin->lock);
1872 per_pin->chmap_set = false;
1873 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1874
1875 per_pin->setup = false;
1876 per_pin->channels = 0;
1877 mutex_unlock(&per_pin->lock);
1878 }
1879
1880 return 0;
1881 }
1882
1883 static const struct hda_pcm_ops generic_ops = {
1884 .open = hdmi_pcm_open,
1885 .close = hdmi_pcm_close,
1886 .prepare = generic_hdmi_playback_pcm_prepare,
1887 .cleanup = generic_hdmi_playback_pcm_cleanup,
1888 };
1889
1890 /*
1891 * ALSA API channel-map control callbacks
1892 */
1893 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1894 struct snd_ctl_elem_info *uinfo)
1895 {
1896 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1897 struct hda_codec *codec = info->private_data;
1898 struct hdmi_spec *spec = codec->spec;
1899 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1900 uinfo->count = spec->channels_max;
1901 uinfo->value.integer.min = 0;
1902 uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1903 return 0;
1904 }
1905
1906 static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
1907 int channels)
1908 {
1909 /* If the speaker allocation matches the channel count, it is OK.*/
1910 if (cap->channels != channels)
1911 return -1;
1912
1913 /* all channels are remappable freely */
1914 return SNDRV_CTL_TLVT_CHMAP_VAR;
1915 }
1916
1917 static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
1918 unsigned int *chmap, int channels)
1919 {
1920 int count = 0;
1921 int c;
1922
1923 for (c = 7; c >= 0; c--) {
1924 int spk = cap->speakers[c];
1925 if (!spk)
1926 continue;
1927
1928 chmap[count++] = spk_to_chmap(spk);
1929 }
1930
1931 WARN_ON(count != channels);
1932 }
1933
1934 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1935 unsigned int size, unsigned int __user *tlv)
1936 {
1937 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1938 struct hda_codec *codec = info->private_data;
1939 struct hdmi_spec *spec = codec->spec;
1940 unsigned int __user *dst;
1941 int chs, count = 0;
1942
1943 if (size < 8)
1944 return -ENOMEM;
1945 if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1946 return -EFAULT;
1947 size -= 8;
1948 dst = tlv + 2;
1949 for (chs = 2; chs <= spec->channels_max; chs++) {
1950 int i;
1951 struct cea_channel_speaker_allocation *cap;
1952 cap = channel_allocations;
1953 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1954 int chs_bytes = chs * 4;
1955 int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
1956 unsigned int tlv_chmap[8];
1957
1958 if (type < 0)
1959 continue;
1960 if (size < 8)
1961 return -ENOMEM;
1962 if (put_user(type, dst) ||
1963 put_user(chs_bytes, dst + 1))
1964 return -EFAULT;
1965 dst += 2;
1966 size -= 8;
1967 count += 8;
1968 if (size < chs_bytes)
1969 return -ENOMEM;
1970 size -= chs_bytes;
1971 count += chs_bytes;
1972 spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
1973 if (copy_to_user(dst, tlv_chmap, chs_bytes))
1974 return -EFAULT;
1975 dst += chs;
1976 }
1977 }
1978 if (put_user(count, tlv + 1))
1979 return -EFAULT;
1980 return 0;
1981 }
1982
1983 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1984 struct snd_ctl_elem_value *ucontrol)
1985 {
1986 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1987 struct hda_codec *codec = info->private_data;
1988 struct hdmi_spec *spec = codec->spec;
1989 int pin_idx = kcontrol->private_value;
1990 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1991 int i;
1992
1993 for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1994 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1995 return 0;
1996 }
1997
1998 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1999 struct snd_ctl_elem_value *ucontrol)
2000 {
2001 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2002 struct hda_codec *codec = info->private_data;
2003 struct hdmi_spec *spec = codec->spec;
2004 int pin_idx = kcontrol->private_value;
2005 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2006 unsigned int ctl_idx;
2007 struct snd_pcm_substream *substream;
2008 unsigned char chmap[8];
2009 int i, err, ca, prepared = 0;
2010
2011 ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2012 substream = snd_pcm_chmap_substream(info, ctl_idx);
2013 if (!substream || !substream->runtime)
2014 return 0; /* just for avoiding error from alsactl restore */
2015 switch (substream->runtime->status->state) {
2016 case SNDRV_PCM_STATE_OPEN:
2017 case SNDRV_PCM_STATE_SETUP:
2018 break;
2019 case SNDRV_PCM_STATE_PREPARED:
2020 prepared = 1;
2021 break;
2022 default:
2023 return -EBUSY;
2024 }
2025 memset(chmap, 0, sizeof(chmap));
2026 for (i = 0; i < ARRAY_SIZE(chmap); i++)
2027 chmap[i] = ucontrol->value.integer.value[i];
2028 if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
2029 return 0;
2030 ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2031 if (ca < 0)
2032 return -EINVAL;
2033 if (spec->ops.chmap_validate) {
2034 err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
2035 if (err)
2036 return err;
2037 }
2038 mutex_lock(&per_pin->lock);
2039 per_pin->chmap_set = true;
2040 memcpy(per_pin->chmap, chmap, sizeof(chmap));
2041 if (prepared)
2042 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2043 mutex_unlock(&per_pin->lock);
2044
2045 return 0;
2046 }
2047
2048 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2049 {
2050 struct hdmi_spec *spec = codec->spec;
2051 int pin_idx;
2052
2053 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2054 struct hda_pcm *info;
2055 struct hda_pcm_stream *pstr;
2056 struct hdmi_spec_per_pin *per_pin;
2057
2058 per_pin = get_pin(spec, pin_idx);
2059 sprintf(per_pin->pcm_name, "HDMI %d", pin_idx);
2060 info = snd_array_new(&spec->pcm_rec);
2061 if (!info)
2062 return -ENOMEM;
2063 info->name = per_pin->pcm_name;
2064 info->pcm_type = HDA_PCM_TYPE_HDMI;
2065 info->own_chmap = true;
2066
2067 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2068 pstr->substreams = 1;
2069 pstr->ops = generic_ops;
2070 /* other pstr fields are set in open */
2071 }
2072
2073 codec->num_pcms = spec->num_pins;
2074 codec->pcm_info = spec->pcm_rec.list;
2075
2076 return 0;
2077 }
2078
2079 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
2080 {
2081 char hdmi_str[32] = "HDMI/DP";
2082 struct hdmi_spec *spec = codec->spec;
2083 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2084 int pcmdev = get_pcm_rec(spec, pin_idx)->device;
2085
2086 if (pcmdev > 0)
2087 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2088 if (!is_jack_detectable(codec, per_pin->pin_nid))
2089 strncat(hdmi_str, " Phantom",
2090 sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2091
2092 return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
2093 }
2094
2095 static int generic_hdmi_build_controls(struct hda_codec *codec)
2096 {
2097 struct hdmi_spec *spec = codec->spec;
2098 int err;
2099 int pin_idx;
2100
2101 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2102 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2103
2104 err = generic_hdmi_build_jack(codec, pin_idx);
2105 if (err < 0)
2106 return err;
2107
2108 err = snd_hda_create_dig_out_ctls(codec,
2109 per_pin->pin_nid,
2110 per_pin->mux_nids[0],
2111 HDA_PCM_TYPE_HDMI);
2112 if (err < 0)
2113 return err;
2114 snd_hda_spdif_ctls_unassign(codec, pin_idx);
2115
2116 /* add control for ELD Bytes */
2117 err = hdmi_create_eld_ctl(codec, pin_idx,
2118 get_pcm_rec(spec, pin_idx)->device);
2119
2120 if (err < 0)
2121 return err;
2122
2123 hdmi_present_sense(per_pin, 0);
2124 }
2125
2126 /* add channel maps */
2127 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2128 struct snd_pcm_chmap *chmap;
2129 struct snd_kcontrol *kctl;
2130 int i;
2131
2132 if (!codec->pcm_info[pin_idx].pcm)
2133 break;
2134 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
2135 SNDRV_PCM_STREAM_PLAYBACK,
2136 NULL, 0, pin_idx, &chmap);
2137 if (err < 0)
2138 return err;
2139 /* override handlers */
2140 chmap->private_data = codec;
2141 kctl = chmap->kctl;
2142 for (i = 0; i < kctl->count; i++)
2143 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2144 kctl->info = hdmi_chmap_ctl_info;
2145 kctl->get = hdmi_chmap_ctl_get;
2146 kctl->put = hdmi_chmap_ctl_put;
2147 kctl->tlv.c = hdmi_chmap_ctl_tlv;
2148 }
2149
2150 return 0;
2151 }
2152
2153 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2154 {
2155 struct hdmi_spec *spec = codec->spec;
2156 int pin_idx;
2157
2158 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2159 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2160
2161 per_pin->codec = codec;
2162 mutex_init(&per_pin->lock);
2163 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2164 eld_proc_new(per_pin, pin_idx);
2165 }
2166 return 0;
2167 }
2168
2169 static int generic_hdmi_init(struct hda_codec *codec)
2170 {
2171 struct hdmi_spec *spec = codec->spec;
2172 int pin_idx;
2173
2174 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2175 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2176 hda_nid_t pin_nid = per_pin->pin_nid;
2177
2178 hdmi_init_pin(codec, pin_nid);
2179 snd_hda_jack_detect_enable_callback(codec, pin_nid,
2180 codec->jackpoll_interval > 0 ? jack_callback : NULL);
2181 }
2182 return 0;
2183 }
2184
2185 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2186 {
2187 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2188 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2189 snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums);
2190 }
2191
2192 static void hdmi_array_free(struct hdmi_spec *spec)
2193 {
2194 snd_array_free(&spec->pins);
2195 snd_array_free(&spec->cvts);
2196 snd_array_free(&spec->pcm_rec);
2197 }
2198
2199 static void generic_hdmi_free(struct hda_codec *codec)
2200 {
2201 struct hdmi_spec *spec = codec->spec;
2202 int pin_idx;
2203
2204 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2205 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2206
2207 cancel_delayed_work(&per_pin->work);
2208 eld_proc_free(per_pin);
2209 }
2210
2211 flush_workqueue(codec->bus->workq);
2212 hdmi_array_free(spec);
2213 kfree(spec);
2214 }
2215
2216 #ifdef CONFIG_PM
2217 static int generic_hdmi_resume(struct hda_codec *codec)
2218 {
2219 struct hdmi_spec *spec = codec->spec;
2220 int pin_idx;
2221
2222 codec->patch_ops.init(codec);
2223 snd_hda_codec_resume_amp(codec);
2224 snd_hda_codec_resume_cache(codec);
2225
2226 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2227 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2228 hdmi_present_sense(per_pin, 1);
2229 }
2230 return 0;
2231 }
2232 #endif
2233
2234 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2235 .init = generic_hdmi_init,
2236 .free = generic_hdmi_free,
2237 .build_pcms = generic_hdmi_build_pcms,
2238 .build_controls = generic_hdmi_build_controls,
2239 .unsol_event = hdmi_unsol_event,
2240 #ifdef CONFIG_PM
2241 .resume = generic_hdmi_resume,
2242 #endif
2243 };
2244
2245 static const struct hdmi_ops generic_standard_hdmi_ops = {
2246 .pin_get_eld = snd_hdmi_get_eld,
2247 .pin_get_slot_channel = hdmi_pin_get_slot_channel,
2248 .pin_set_slot_channel = hdmi_pin_set_slot_channel,
2249 .pin_setup_infoframe = hdmi_pin_setup_infoframe,
2250 .pin_hbr_setup = hdmi_pin_hbr_setup,
2251 .setup_stream = hdmi_setup_stream,
2252 .chmap_cea_alloc_validate_get_type = hdmi_chmap_cea_alloc_validate_get_type,
2253 .cea_alloc_to_tlv_chmap = hdmi_cea_alloc_to_tlv_chmap,
2254 };
2255
2256
2257 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2258 hda_nid_t nid)
2259 {
2260 struct hdmi_spec *spec = codec->spec;
2261 hda_nid_t conns[4];
2262 int nconns;
2263
2264 nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2265 if (nconns == spec->num_cvts &&
2266 !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2267 return;
2268
2269 /* override pins connection list */
2270 codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2271 snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2272 }
2273
2274 #define INTEL_VENDOR_NID 0x08
2275 #define INTEL_GET_VENDOR_VERB 0xf81
2276 #define INTEL_SET_VENDOR_VERB 0x781
2277 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
2278 #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
2279
2280 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2281 bool update_tree)
2282 {
2283 unsigned int vendor_param;
2284
2285 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2286 INTEL_GET_VENDOR_VERB, 0);
2287 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2288 return;
2289
2290 vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2291 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2292 INTEL_SET_VENDOR_VERB, vendor_param);
2293 if (vendor_param == -1)
2294 return;
2295
2296 if (update_tree)
2297 snd_hda_codec_update_widgets(codec);
2298 }
2299
2300 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2301 {
2302 unsigned int vendor_param;
2303
2304 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2305 INTEL_GET_VENDOR_VERB, 0);
2306 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2307 return;
2308
2309 /* enable DP1.2 mode */
2310 vendor_param |= INTEL_EN_DP12;
2311 snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2312 INTEL_SET_VENDOR_VERB, vendor_param);
2313 }
2314
2315 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2316 * Otherwise you may get severe h/w communication errors.
2317 */
2318 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2319 unsigned int power_state)
2320 {
2321 if (power_state == AC_PWRST_D0) {
2322 intel_haswell_enable_all_pins(codec, false);
2323 intel_haswell_fixup_enable_dp12(codec);
2324 }
2325
2326 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2327 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2328 }
2329
2330 static int patch_generic_hdmi(struct hda_codec *codec)
2331 {
2332 struct hdmi_spec *spec;
2333
2334 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2335 if (spec == NULL)
2336 return -ENOMEM;
2337
2338 spec->ops = generic_standard_hdmi_ops;
2339 codec->spec = spec;
2340 hdmi_array_init(spec, 4);
2341
2342 if (is_haswell_plus(codec)) {
2343 intel_haswell_enable_all_pins(codec, true);
2344 intel_haswell_fixup_enable_dp12(codec);
2345 }
2346
2347 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2348 codec->depop_delay = 0;
2349
2350 if (hdmi_parse_codec(codec) < 0) {
2351 codec->spec = NULL;
2352 kfree(spec);
2353 return -EINVAL;
2354 }
2355 codec->patch_ops = generic_hdmi_patch_ops;
2356 if (is_haswell_plus(codec)) {
2357 codec->patch_ops.set_power_state = haswell_set_power_state;
2358 codec->dp_mst = true;
2359 }
2360
2361 generic_hdmi_init_per_pins(codec);
2362
2363 init_channel_allocations();
2364
2365 return 0;
2366 }
2367
2368 /*
2369 * Shared non-generic implementations
2370 */
2371
2372 static int simple_playback_build_pcms(struct hda_codec *codec)
2373 {
2374 struct hdmi_spec *spec = codec->spec;
2375 struct hda_pcm *info;
2376 unsigned int chans;
2377 struct hda_pcm_stream *pstr;
2378 struct hdmi_spec_per_cvt *per_cvt;
2379
2380 per_cvt = get_cvt(spec, 0);
2381 chans = get_wcaps(codec, per_cvt->cvt_nid);
2382 chans = get_wcaps_channels(chans);
2383
2384 info = snd_array_new(&spec->pcm_rec);
2385 if (!info)
2386 return -ENOMEM;
2387 info->name = get_pin(spec, 0)->pcm_name;
2388 sprintf(info->name, "HDMI 0");
2389 info->pcm_type = HDA_PCM_TYPE_HDMI;
2390 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2391 *pstr = spec->pcm_playback;
2392 pstr->nid = per_cvt->cvt_nid;
2393 if (pstr->channels_max <= 2 && chans && chans <= 16)
2394 pstr->channels_max = chans;
2395
2396 codec->num_pcms = 1;
2397 codec->pcm_info = info;
2398
2399 return 0;
2400 }
2401
2402 /* unsolicited event for jack sensing */
2403 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2404 unsigned int res)
2405 {
2406 snd_hda_jack_set_dirty_all(codec);
2407 snd_hda_jack_report_sync(codec);
2408 }
2409
2410 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2411 * as long as spec->pins[] is set correctly
2412 */
2413 #define simple_hdmi_build_jack generic_hdmi_build_jack
2414
2415 static int simple_playback_build_controls(struct hda_codec *codec)
2416 {
2417 struct hdmi_spec *spec = codec->spec;
2418 struct hdmi_spec_per_cvt *per_cvt;
2419 int err;
2420
2421 per_cvt = get_cvt(spec, 0);
2422 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2423 per_cvt->cvt_nid,
2424 HDA_PCM_TYPE_HDMI);
2425 if (err < 0)
2426 return err;
2427 return simple_hdmi_build_jack(codec, 0);
2428 }
2429
2430 static int simple_playback_init(struct hda_codec *codec)
2431 {
2432 struct hdmi_spec *spec = codec->spec;
2433 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2434 hda_nid_t pin = per_pin->pin_nid;
2435
2436 snd_hda_codec_write(codec, pin, 0,
2437 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2438 /* some codecs require to unmute the pin */
2439 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2440 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2441 AMP_OUT_UNMUTE);
2442 snd_hda_jack_detect_enable(codec, pin);
2443 return 0;
2444 }
2445
2446 static void simple_playback_free(struct hda_codec *codec)
2447 {
2448 struct hdmi_spec *spec = codec->spec;
2449
2450 hdmi_array_free(spec);
2451 kfree(spec);
2452 }
2453
2454 /*
2455 * Nvidia specific implementations
2456 */
2457
2458 #define Nv_VERB_SET_Channel_Allocation 0xF79
2459 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
2460 #define Nv_VERB_SET_Audio_Protection_On 0xF98
2461 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
2462
2463 #define nvhdmi_master_con_nid_7x 0x04
2464 #define nvhdmi_master_pin_nid_7x 0x05
2465
2466 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2467 /*front, rear, clfe, rear_surr */
2468 0x6, 0x8, 0xa, 0xc,
2469 };
2470
2471 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2472 /* set audio protect on */
2473 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2474 /* enable digital output on pin widget */
2475 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2476 {} /* terminator */
2477 };
2478
2479 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2480 /* set audio protect on */
2481 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2482 /* enable digital output on pin widget */
2483 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2484 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2485 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2486 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2487 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2488 {} /* terminator */
2489 };
2490
2491 #ifdef LIMITED_RATE_FMT_SUPPORT
2492 /* support only the safe format and rate */
2493 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
2494 #define SUPPORTED_MAXBPS 16
2495 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
2496 #else
2497 /* support all rates and formats */
2498 #define SUPPORTED_RATES \
2499 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2500 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2501 SNDRV_PCM_RATE_192000)
2502 #define SUPPORTED_MAXBPS 24
2503 #define SUPPORTED_FORMATS \
2504 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2505 #endif
2506
2507 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2508 {
2509 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2510 return 0;
2511 }
2512
2513 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2514 {
2515 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2516 return 0;
2517 }
2518
2519 static unsigned int channels_2_6_8[] = {
2520 2, 6, 8
2521 };
2522
2523 static unsigned int channels_2_8[] = {
2524 2, 8
2525 };
2526
2527 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2528 .count = ARRAY_SIZE(channels_2_6_8),
2529 .list = channels_2_6_8,
2530 .mask = 0,
2531 };
2532
2533 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2534 .count = ARRAY_SIZE(channels_2_8),
2535 .list = channels_2_8,
2536 .mask = 0,
2537 };
2538
2539 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2540 struct hda_codec *codec,
2541 struct snd_pcm_substream *substream)
2542 {
2543 struct hdmi_spec *spec = codec->spec;
2544 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2545
2546 switch (codec->preset->id) {
2547 case 0x10de0002:
2548 case 0x10de0003:
2549 case 0x10de0005:
2550 case 0x10de0006:
2551 hw_constraints_channels = &hw_constraints_2_8_channels;
2552 break;
2553 case 0x10de0007:
2554 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2555 break;
2556 default:
2557 break;
2558 }
2559
2560 if (hw_constraints_channels != NULL) {
2561 snd_pcm_hw_constraint_list(substream->runtime, 0,
2562 SNDRV_PCM_HW_PARAM_CHANNELS,
2563 hw_constraints_channels);
2564 } else {
2565 snd_pcm_hw_constraint_step(substream->runtime, 0,
2566 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2567 }
2568
2569 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2570 }
2571
2572 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2573 struct hda_codec *codec,
2574 struct snd_pcm_substream *substream)
2575 {
2576 struct hdmi_spec *spec = codec->spec;
2577 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2578 }
2579
2580 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2581 struct hda_codec *codec,
2582 unsigned int stream_tag,
2583 unsigned int format,
2584 struct snd_pcm_substream *substream)
2585 {
2586 struct hdmi_spec *spec = codec->spec;
2587 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2588 stream_tag, format, substream);
2589 }
2590
2591 static const struct hda_pcm_stream simple_pcm_playback = {
2592 .substreams = 1,
2593 .channels_min = 2,
2594 .channels_max = 2,
2595 .ops = {
2596 .open = simple_playback_pcm_open,
2597 .close = simple_playback_pcm_close,
2598 .prepare = simple_playback_pcm_prepare
2599 },
2600 };
2601
2602 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2603 .build_controls = simple_playback_build_controls,
2604 .build_pcms = simple_playback_build_pcms,
2605 .init = simple_playback_init,
2606 .free = simple_playback_free,
2607 .unsol_event = simple_hdmi_unsol_event,
2608 };
2609
2610 static int patch_simple_hdmi(struct hda_codec *codec,
2611 hda_nid_t cvt_nid, hda_nid_t pin_nid)
2612 {
2613 struct hdmi_spec *spec;
2614 struct hdmi_spec_per_cvt *per_cvt;
2615 struct hdmi_spec_per_pin *per_pin;
2616
2617 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2618 if (!spec)
2619 return -ENOMEM;
2620
2621 codec->spec = spec;
2622 hdmi_array_init(spec, 1);
2623
2624 spec->multiout.num_dacs = 0; /* no analog */
2625 spec->multiout.max_channels = 2;
2626 spec->multiout.dig_out_nid = cvt_nid;
2627 spec->num_cvts = 1;
2628 spec->num_pins = 1;
2629 per_pin = snd_array_new(&spec->pins);
2630 per_cvt = snd_array_new(&spec->cvts);
2631 if (!per_pin || !per_cvt) {
2632 simple_playback_free(codec);
2633 return -ENOMEM;
2634 }
2635 per_cvt->cvt_nid = cvt_nid;
2636 per_pin->pin_nid = pin_nid;
2637 spec->pcm_playback = simple_pcm_playback;
2638
2639 codec->patch_ops = simple_hdmi_patch_ops;
2640
2641 return 0;
2642 }
2643
2644 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2645 int channels)
2646 {
2647 unsigned int chanmask;
2648 int chan = channels ? (channels - 1) : 1;
2649
2650 switch (channels) {
2651 default:
2652 case 0:
2653 case 2:
2654 chanmask = 0x00;
2655 break;
2656 case 4:
2657 chanmask = 0x08;
2658 break;
2659 case 6:
2660 chanmask = 0x0b;
2661 break;
2662 case 8:
2663 chanmask = 0x13;
2664 break;
2665 }
2666
2667 /* Set the audio infoframe channel allocation and checksum fields. The
2668 * channel count is computed implicitly by the hardware. */
2669 snd_hda_codec_write(codec, 0x1, 0,
2670 Nv_VERB_SET_Channel_Allocation, chanmask);
2671
2672 snd_hda_codec_write(codec, 0x1, 0,
2673 Nv_VERB_SET_Info_Frame_Checksum,
2674 (0x71 - chan - chanmask));
2675 }
2676
2677 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2678 struct hda_codec *codec,
2679 struct snd_pcm_substream *substream)
2680 {
2681 struct hdmi_spec *spec = codec->spec;
2682 int i;
2683
2684 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2685 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2686 for (i = 0; i < 4; i++) {
2687 /* set the stream id */
2688 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2689 AC_VERB_SET_CHANNEL_STREAMID, 0);
2690 /* set the stream format */
2691 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2692 AC_VERB_SET_STREAM_FORMAT, 0);
2693 }
2694
2695 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2696 * streams are disabled. */
2697 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2698
2699 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2700 }
2701
2702 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2703 struct hda_codec *codec,
2704 unsigned int stream_tag,
2705 unsigned int format,
2706 struct snd_pcm_substream *substream)
2707 {
2708 int chs;
2709 unsigned int dataDCC2, channel_id;
2710 int i;
2711 struct hdmi_spec *spec = codec->spec;
2712 struct hda_spdif_out *spdif;
2713 struct hdmi_spec_per_cvt *per_cvt;
2714
2715 mutex_lock(&codec->spdif_mutex);
2716 per_cvt = get_cvt(spec, 0);
2717 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2718
2719 chs = substream->runtime->channels;
2720
2721 dataDCC2 = 0x2;
2722
2723 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2724 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2725 snd_hda_codec_write(codec,
2726 nvhdmi_master_con_nid_7x,
2727 0,
2728 AC_VERB_SET_DIGI_CONVERT_1,
2729 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2730
2731 /* set the stream id */
2732 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2733 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2734
2735 /* set the stream format */
2736 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2737 AC_VERB_SET_STREAM_FORMAT, format);
2738
2739 /* turn on again (if needed) */
2740 /* enable and set the channel status audio/data flag */
2741 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2742 snd_hda_codec_write(codec,
2743 nvhdmi_master_con_nid_7x,
2744 0,
2745 AC_VERB_SET_DIGI_CONVERT_1,
2746 spdif->ctls & 0xff);
2747 snd_hda_codec_write(codec,
2748 nvhdmi_master_con_nid_7x,
2749 0,
2750 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2751 }
2752
2753 for (i = 0; i < 4; i++) {
2754 if (chs == 2)
2755 channel_id = 0;
2756 else
2757 channel_id = i * 2;
2758
2759 /* turn off SPDIF once;
2760 *otherwise the IEC958 bits won't be updated
2761 */
2762 if (codec->spdif_status_reset &&
2763 (spdif->ctls & AC_DIG1_ENABLE))
2764 snd_hda_codec_write(codec,
2765 nvhdmi_con_nids_7x[i],
2766 0,
2767 AC_VERB_SET_DIGI_CONVERT_1,
2768 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2769 /* set the stream id */
2770 snd_hda_codec_write(codec,
2771 nvhdmi_con_nids_7x[i],
2772 0,
2773 AC_VERB_SET_CHANNEL_STREAMID,
2774 (stream_tag << 4) | channel_id);
2775 /* set the stream format */
2776 snd_hda_codec_write(codec,
2777 nvhdmi_con_nids_7x[i],
2778 0,
2779 AC_VERB_SET_STREAM_FORMAT,
2780 format);
2781 /* turn on again (if needed) */
2782 /* enable and set the channel status audio/data flag */
2783 if (codec->spdif_status_reset &&
2784 (spdif->ctls & AC_DIG1_ENABLE)) {
2785 snd_hda_codec_write(codec,
2786 nvhdmi_con_nids_7x[i],
2787 0,
2788 AC_VERB_SET_DIGI_CONVERT_1,
2789 spdif->ctls & 0xff);
2790 snd_hda_codec_write(codec,
2791 nvhdmi_con_nids_7x[i],
2792 0,
2793 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2794 }
2795 }
2796
2797 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2798
2799 mutex_unlock(&codec->spdif_mutex);
2800 return 0;
2801 }
2802
2803 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2804 .substreams = 1,
2805 .channels_min = 2,
2806 .channels_max = 8,
2807 .nid = nvhdmi_master_con_nid_7x,
2808 .rates = SUPPORTED_RATES,
2809 .maxbps = SUPPORTED_MAXBPS,
2810 .formats = SUPPORTED_FORMATS,
2811 .ops = {
2812 .open = simple_playback_pcm_open,
2813 .close = nvhdmi_8ch_7x_pcm_close,
2814 .prepare = nvhdmi_8ch_7x_pcm_prepare
2815 },
2816 };
2817
2818 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2819 {
2820 struct hdmi_spec *spec;
2821 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2822 nvhdmi_master_pin_nid_7x);
2823 if (err < 0)
2824 return err;
2825
2826 codec->patch_ops.init = nvhdmi_7x_init_2ch;
2827 /* override the PCM rates, etc, as the codec doesn't give full list */
2828 spec = codec->spec;
2829 spec->pcm_playback.rates = SUPPORTED_RATES;
2830 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2831 spec->pcm_playback.formats = SUPPORTED_FORMATS;
2832 return 0;
2833 }
2834
2835 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2836 {
2837 struct hdmi_spec *spec = codec->spec;
2838 int err = simple_playback_build_pcms(codec);
2839 if (!err) {
2840 struct hda_pcm *info = get_pcm_rec(spec, 0);
2841 info->own_chmap = true;
2842 }
2843 return err;
2844 }
2845
2846 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2847 {
2848 struct hdmi_spec *spec = codec->spec;
2849 struct hda_pcm *info;
2850 struct snd_pcm_chmap *chmap;
2851 int err;
2852
2853 err = simple_playback_build_controls(codec);
2854 if (err < 0)
2855 return err;
2856
2857 /* add channel maps */
2858 info = get_pcm_rec(spec, 0);
2859 err = snd_pcm_add_chmap_ctls(info->pcm,
2860 SNDRV_PCM_STREAM_PLAYBACK,
2861 snd_pcm_alt_chmaps, 8, 0, &chmap);
2862 if (err < 0)
2863 return err;
2864 switch (codec->preset->id) {
2865 case 0x10de0002:
2866 case 0x10de0003:
2867 case 0x10de0005:
2868 case 0x10de0006:
2869 chmap->channel_mask = (1U << 2) | (1U << 8);
2870 break;
2871 case 0x10de0007:
2872 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2873 }
2874 return 0;
2875 }
2876
2877 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2878 {
2879 struct hdmi_spec *spec;
2880 int err = patch_nvhdmi_2ch(codec);
2881 if (err < 0)
2882 return err;
2883 spec = codec->spec;
2884 spec->multiout.max_channels = 8;
2885 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2886 codec->patch_ops.init = nvhdmi_7x_init_8ch;
2887 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2888 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2889
2890 /* Initialize the audio infoframe channel mask and checksum to something
2891 * valid */
2892 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2893
2894 return 0;
2895 }
2896
2897 /*
2898 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2899 * - 0x10de0015
2900 * - 0x10de0040
2901 */
2902 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
2903 int channels)
2904 {
2905 if (cap->ca_index == 0x00 && channels == 2)
2906 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2907
2908 return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
2909 }
2910
2911 static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
2912 {
2913 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2914 return -EINVAL;
2915
2916 return 0;
2917 }
2918
2919 static int patch_nvhdmi(struct hda_codec *codec)
2920 {
2921 struct hdmi_spec *spec;
2922 int err;
2923
2924 err = patch_generic_hdmi(codec);
2925 if (err)
2926 return err;
2927
2928 spec = codec->spec;
2929 spec->dyn_pin_out = true;
2930
2931 spec->ops.chmap_cea_alloc_validate_get_type =
2932 nvhdmi_chmap_cea_alloc_validate_get_type;
2933 spec->ops.chmap_validate = nvhdmi_chmap_validate;
2934
2935 return 0;
2936 }
2937
2938 /*
2939 * ATI/AMD-specific implementations
2940 */
2941
2942 #define is_amdhdmi_rev3_or_later(codec) \
2943 ((codec)->vendor_id == 0x1002aa01 && ((codec)->revision_id & 0xff00) >= 0x0300)
2944 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
2945
2946 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
2947 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
2948 #define ATI_VERB_SET_DOWNMIX_INFO 0x772
2949 #define ATI_VERB_SET_MULTICHANNEL_01 0x777
2950 #define ATI_VERB_SET_MULTICHANNEL_23 0x778
2951 #define ATI_VERB_SET_MULTICHANNEL_45 0x779
2952 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a
2953 #define ATI_VERB_SET_HBR_CONTROL 0x77c
2954 #define ATI_VERB_SET_MULTICHANNEL_1 0x785
2955 #define ATI_VERB_SET_MULTICHANNEL_3 0x786
2956 #define ATI_VERB_SET_MULTICHANNEL_5 0x787
2957 #define ATI_VERB_SET_MULTICHANNEL_7 0x788
2958 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
2959 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
2960 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72
2961 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77
2962 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78
2963 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79
2964 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
2965 #define ATI_VERB_GET_HBR_CONTROL 0xf7c
2966 #define ATI_VERB_GET_MULTICHANNEL_1 0xf85
2967 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86
2968 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87
2969 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88
2970 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
2971
2972 /* AMD specific HDA cvt verbs */
2973 #define ATI_VERB_SET_RAMP_RATE 0x770
2974 #define ATI_VERB_GET_RAMP_RATE 0xf70
2975
2976 #define ATI_OUT_ENABLE 0x1
2977
2978 #define ATI_MULTICHANNEL_MODE_PAIRED 0
2979 #define ATI_MULTICHANNEL_MODE_SINGLE 1
2980
2981 #define ATI_HBR_CAPABLE 0x01
2982 #define ATI_HBR_ENABLE 0x10
2983
2984 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
2985 unsigned char *buf, int *eld_size)
2986 {
2987 /* call hda_eld.c ATI/AMD-specific function */
2988 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
2989 is_amdhdmi_rev3_or_later(codec));
2990 }
2991
2992 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
2993 int active_channels, int conn_type)
2994 {
2995 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
2996 }
2997
2998 static int atihdmi_paired_swap_fc_lfe(int pos)
2999 {
3000 /*
3001 * ATI/AMD have automatic FC/LFE swap built-in
3002 * when in pairwise mapping mode.
3003 */
3004
3005 switch (pos) {
3006 /* see channel_allocations[].speakers[] */
3007 case 2: return 3;
3008 case 3: return 2;
3009 default: break;
3010 }
3011
3012 return pos;
3013 }
3014
3015 static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
3016 {
3017 struct cea_channel_speaker_allocation *cap;
3018 int i, j;
3019
3020 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3021
3022 cap = &channel_allocations[get_channel_allocation_order(ca)];
3023 for (i = 0; i < chs; ++i) {
3024 int mask = to_spk_mask(map[i]);
3025 bool ok = false;
3026 bool companion_ok = false;
3027
3028 if (!mask)
3029 continue;
3030
3031 for (j = 0 + i % 2; j < 8; j += 2) {
3032 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3033 if (cap->speakers[chan_idx] == mask) {
3034 /* channel is in a supported position */
3035 ok = true;
3036
3037 if (i % 2 == 0 && i + 1 < chs) {
3038 /* even channel, check the odd companion */
3039 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3040 int comp_mask_req = to_spk_mask(map[i+1]);
3041 int comp_mask_act = cap->speakers[comp_chan_idx];
3042
3043 if (comp_mask_req == comp_mask_act)
3044 companion_ok = true;
3045 else
3046 return -EINVAL;
3047 }
3048 break;
3049 }
3050 }
3051
3052 if (!ok)
3053 return -EINVAL;
3054
3055 if (companion_ok)
3056 i++; /* companion channel already checked */
3057 }
3058
3059 return 0;
3060 }
3061
3062 static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3063 int hdmi_slot, int stream_channel)
3064 {
3065 int verb;
3066 int ati_channel_setup = 0;
3067
3068 if (hdmi_slot > 7)
3069 return -EINVAL;
3070
3071 if (!has_amd_full_remap_support(codec)) {
3072 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3073
3074 /* In case this is an odd slot but without stream channel, do not
3075 * disable the slot since the corresponding even slot could have a
3076 * channel. In case neither have a channel, the slot pair will be
3077 * disabled when this function is called for the even slot. */
3078 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3079 return 0;
3080
3081 hdmi_slot -= hdmi_slot % 2;
3082
3083 if (stream_channel != 0xf)
3084 stream_channel -= stream_channel % 2;
3085 }
3086
3087 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3088
3089 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3090
3091 if (stream_channel != 0xf)
3092 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3093
3094 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3095 }
3096
3097 static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3098 int asp_slot)
3099 {
3100 bool was_odd = false;
3101 int ati_asp_slot = asp_slot;
3102 int verb;
3103 int ati_channel_setup;
3104
3105 if (asp_slot > 7)
3106 return -EINVAL;
3107
3108 if (!has_amd_full_remap_support(codec)) {
3109 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3110 if (ati_asp_slot % 2 != 0) {
3111 ati_asp_slot -= 1;
3112 was_odd = true;
3113 }
3114 }
3115
3116 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3117
3118 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3119
3120 if (!(ati_channel_setup & ATI_OUT_ENABLE))
3121 return 0xf;
3122
3123 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3124 }
3125
3126 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
3127 int channels)
3128 {
3129 int c;
3130
3131 /*
3132 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3133 * we need to take that into account (a single channel may take 2
3134 * channel slots if we need to carry a silent channel next to it).
3135 * On Rev3+ AMD codecs this function is not used.
3136 */
3137 int chanpairs = 0;
3138
3139 /* We only produce even-numbered channel count TLVs */
3140 if ((channels % 2) != 0)
3141 return -1;
3142
3143 for (c = 0; c < 7; c += 2) {
3144 if (cap->speakers[c] || cap->speakers[c+1])
3145 chanpairs++;
3146 }
3147
3148 if (chanpairs * 2 != channels)
3149 return -1;
3150
3151 return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3152 }
3153
3154 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
3155 unsigned int *chmap, int channels)
3156 {
3157 /* produce paired maps for pre-rev3 ATI/AMD codecs */
3158 int count = 0;
3159 int c;
3160
3161 for (c = 7; c >= 0; c--) {
3162 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3163 int spk = cap->speakers[chan];
3164 if (!spk) {
3165 /* add N/A channel if the companion channel is occupied */
3166 if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3167 chmap[count++] = SNDRV_CHMAP_NA;
3168
3169 continue;
3170 }
3171
3172 chmap[count++] = spk_to_chmap(spk);
3173 }
3174
3175 WARN_ON(count != channels);
3176 }
3177
3178 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3179 bool hbr)
3180 {
3181 int hbr_ctl, hbr_ctl_new;
3182
3183 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3184 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3185 if (hbr)
3186 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3187 else
3188 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3189
3190 codec_dbg(codec,
3191 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3192 pin_nid,
3193 hbr_ctl == hbr_ctl_new ? "" : "new-",
3194 hbr_ctl_new);
3195
3196 if (hbr_ctl != hbr_ctl_new)
3197 snd_hda_codec_write(codec, pin_nid, 0,
3198 ATI_VERB_SET_HBR_CONTROL,
3199 hbr_ctl_new);
3200
3201 } else if (hbr)
3202 return -EINVAL;
3203
3204 return 0;
3205 }
3206
3207 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3208 hda_nid_t pin_nid, u32 stream_tag, int format)
3209 {
3210
3211 if (is_amdhdmi_rev3_or_later(codec)) {
3212 int ramp_rate = 180; /* default as per AMD spec */
3213 /* disable ramp-up/down for non-pcm as per AMD spec */
3214 if (format & AC_FMT_TYPE_NON_PCM)
3215 ramp_rate = 0;
3216
3217 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3218 }
3219
3220 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3221 }
3222
3223
3224 static int atihdmi_init(struct hda_codec *codec)
3225 {
3226 struct hdmi_spec *spec = codec->spec;
3227 int pin_idx, err;
3228
3229 err = generic_hdmi_init(codec);
3230
3231 if (err)
3232 return err;
3233
3234 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3235 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3236
3237 /* make sure downmix information in infoframe is zero */
3238 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3239
3240 /* enable channel-wise remap mode if supported */
3241 if (has_amd_full_remap_support(codec))
3242 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3243 ATI_VERB_SET_MULTICHANNEL_MODE,
3244 ATI_MULTICHANNEL_MODE_SINGLE);
3245 }
3246
3247 return 0;
3248 }
3249
3250 static int patch_atihdmi(struct hda_codec *codec)
3251 {
3252 struct hdmi_spec *spec;
3253 struct hdmi_spec_per_cvt *per_cvt;
3254 int err, cvt_idx;
3255
3256 err = patch_generic_hdmi(codec);
3257
3258 if (err)
3259 return err;
3260
3261 codec->patch_ops.init = atihdmi_init;
3262
3263 spec = codec->spec;
3264
3265 spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3266 spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3267 spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3268 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3269 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3270 spec->ops.setup_stream = atihdmi_setup_stream;
3271
3272 if (!has_amd_full_remap_support(codec)) {
3273 /* override to ATI/AMD-specific versions with pairwise mapping */
3274 spec->ops.chmap_cea_alloc_validate_get_type =
3275 atihdmi_paired_chmap_cea_alloc_validate_get_type;
3276 spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
3277 spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
3278 }
3279
3280 /* ATI/AMD converters do not advertise all of their capabilities */
3281 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3282 per_cvt = get_cvt(spec, cvt_idx);
3283 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3284 per_cvt->rates |= SUPPORTED_RATES;
3285 per_cvt->formats |= SUPPORTED_FORMATS;
3286 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3287 }
3288
3289 spec->channels_max = max(spec->channels_max, 8u);
3290
3291 return 0;
3292 }
3293
3294 /* VIA HDMI Implementation */
3295 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
3296 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
3297
3298 static int patch_via_hdmi(struct hda_codec *codec)
3299 {
3300 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3301 }
3302
3303 /*
3304 * called from hda_codec.c for generic HDMI support
3305 */
3306 int snd_hda_parse_hdmi_codec(struct hda_codec *codec)
3307 {
3308 return patch_generic_hdmi(codec);
3309 }
3310 EXPORT_SYMBOL_GPL(snd_hda_parse_hdmi_codec);
3311
3312 /*
3313 * patch entries
3314 */
3315 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
3316 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
3317 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
3318 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
3319 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi },
3320 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi },
3321 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi },
3322 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi },
3323 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
3324 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
3325 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
3326 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x },
3327 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x },
3328 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi },
3329 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi },
3330 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi },
3331 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi },
3332 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi },
3333 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi },
3334 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi },
3335 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi },
3336 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi },
3337 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_nvhdmi },
3338 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_nvhdmi },
3339 /* 17 is known to be absent */
3340 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi },
3341 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi },
3342 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi },
3343 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi },
3344 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi },
3345 { .id = 0x10de0028, .name = "Tegra12x HDMI", .patch = patch_nvhdmi },
3346 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi },
3347 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi },
3348 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi },
3349 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi },
3350 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi },
3351 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi },
3352 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi },
3353 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
3354 { .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi },
3355 { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi },
3356 { .id = 0x10de0072, .name = "GPU 72 HDMI/DP", .patch = patch_nvhdmi },
3357 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
3358 { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
3359 { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
3360 { .id = 0x11069f84, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi },
3361 { .id = 0x11069f85, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi },
3362 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
3363 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi },
3364 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi },
3365 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi },
3366 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
3367 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
3368 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
3369 { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi },
3370 { .id = 0x80862808, .name = "Broadwell HDMI", .patch = patch_generic_hdmi },
3371 { .id = 0x80862809, .name = "Skylake HDMI", .patch = patch_generic_hdmi },
3372 { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi },
3373 { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi },
3374 { .id = 0x80862883, .name = "Braswell HDMI", .patch = patch_generic_hdmi },
3375 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi },
3376 {} /* terminator */
3377 };
3378
3379 MODULE_ALIAS("snd-hda-codec-id:1002793c");
3380 MODULE_ALIAS("snd-hda-codec-id:10027919");
3381 MODULE_ALIAS("snd-hda-codec-id:1002791a");
3382 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
3383 MODULE_ALIAS("snd-hda-codec-id:10951390");
3384 MODULE_ALIAS("snd-hda-codec-id:10951392");
3385 MODULE_ALIAS("snd-hda-codec-id:10de0002");
3386 MODULE_ALIAS("snd-hda-codec-id:10de0003");
3387 MODULE_ALIAS("snd-hda-codec-id:10de0005");
3388 MODULE_ALIAS("snd-hda-codec-id:10de0006");
3389 MODULE_ALIAS("snd-hda-codec-id:10de0007");
3390 MODULE_ALIAS("snd-hda-codec-id:10de000a");
3391 MODULE_ALIAS("snd-hda-codec-id:10de000b");
3392 MODULE_ALIAS("snd-hda-codec-id:10de000c");
3393 MODULE_ALIAS("snd-hda-codec-id:10de000d");
3394 MODULE_ALIAS("snd-hda-codec-id:10de0010");
3395 MODULE_ALIAS("snd-hda-codec-id:10de0011");
3396 MODULE_ALIAS("snd-hda-codec-id:10de0012");
3397 MODULE_ALIAS("snd-hda-codec-id:10de0013");
3398 MODULE_ALIAS("snd-hda-codec-id:10de0014");
3399 MODULE_ALIAS("snd-hda-codec-id:10de0015");
3400 MODULE_ALIAS("snd-hda-codec-id:10de0016");
3401 MODULE_ALIAS("snd-hda-codec-id:10de0018");
3402 MODULE_ALIAS("snd-hda-codec-id:10de0019");
3403 MODULE_ALIAS("snd-hda-codec-id:10de001a");
3404 MODULE_ALIAS("snd-hda-codec-id:10de001b");
3405 MODULE_ALIAS("snd-hda-codec-id:10de001c");
3406 MODULE_ALIAS("snd-hda-codec-id:10de0028");
3407 MODULE_ALIAS("snd-hda-codec-id:10de0040");
3408 MODULE_ALIAS("snd-hda-codec-id:10de0041");
3409 MODULE_ALIAS("snd-hda-codec-id:10de0042");
3410 MODULE_ALIAS("snd-hda-codec-id:10de0043");
3411 MODULE_ALIAS("snd-hda-codec-id:10de0044");
3412 MODULE_ALIAS("snd-hda-codec-id:10de0051");
3413 MODULE_ALIAS("snd-hda-codec-id:10de0060");
3414 MODULE_ALIAS("snd-hda-codec-id:10de0067");
3415 MODULE_ALIAS("snd-hda-codec-id:10de0070");
3416 MODULE_ALIAS("snd-hda-codec-id:10de0071");
3417 MODULE_ALIAS("snd-hda-codec-id:10de0072");
3418 MODULE_ALIAS("snd-hda-codec-id:10de8001");
3419 MODULE_ALIAS("snd-hda-codec-id:11069f80");
3420 MODULE_ALIAS("snd-hda-codec-id:11069f81");
3421 MODULE_ALIAS("snd-hda-codec-id:11069f84");
3422 MODULE_ALIAS("snd-hda-codec-id:11069f85");
3423 MODULE_ALIAS("snd-hda-codec-id:17e80047");
3424 MODULE_ALIAS("snd-hda-codec-id:80860054");
3425 MODULE_ALIAS("snd-hda-codec-id:80862801");
3426 MODULE_ALIAS("snd-hda-codec-id:80862802");
3427 MODULE_ALIAS("snd-hda-codec-id:80862803");
3428 MODULE_ALIAS("snd-hda-codec-id:80862804");
3429 MODULE_ALIAS("snd-hda-codec-id:80862805");
3430 MODULE_ALIAS("snd-hda-codec-id:80862806");
3431 MODULE_ALIAS("snd-hda-codec-id:80862807");
3432 MODULE_ALIAS("snd-hda-codec-id:80862808");
3433 MODULE_ALIAS("snd-hda-codec-id:80862809");
3434 MODULE_ALIAS("snd-hda-codec-id:80862880");
3435 MODULE_ALIAS("snd-hda-codec-id:80862882");
3436 MODULE_ALIAS("snd-hda-codec-id:80862883");
3437 MODULE_ALIAS("snd-hda-codec-id:808629fb");
3438
3439 MODULE_LICENSE("GPL");
3440 MODULE_DESCRIPTION("HDMI HD-audio codec");
3441 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3442 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3443 MODULE_ALIAS("snd-hda-codec-atihdmi");
3444
3445 static struct hda_codec_preset_list intel_list = {
3446 .preset = snd_hda_preset_hdmi,
3447 .owner = THIS_MODULE,
3448 };
3449
3450 static int __init patch_hdmi_init(void)
3451 {
3452 return snd_hda_add_codec_preset(&intel_list);
3453 }
3454
3455 static void __exit patch_hdmi_exit(void)
3456 {
3457 snd_hda_delete_codec_preset(&intel_list);
3458 }
3459
3460 module_init(patch_hdmi_init)
3461 module_exit(patch_hdmi_exit)
Linux kernel - Deliverables
This page took 0.140404 seconds and 5 git commands to generate.