Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski...
[linux-2.6-block.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 <sound/hdaudio.h>
41 #include <sound/hda_i915.h>
42 #include <sound/hda_chmap.h>
43 #include "hda_codec.h"
44 #include "hda_local.h"
45 #include "hda_jack.h"
46
47 static bool static_hdmi_pcm;
48 module_param(static_hdmi_pcm, bool, 0644);
49 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
50
51 #define is_haswell(codec)  ((codec)->core.vendor_id == 0x80862807)
52 #define is_broadwell(codec)    ((codec)->core.vendor_id == 0x80862808)
53 #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
54 #define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
55 #define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
56 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
57                                 || is_skylake(codec) || is_broxton(codec) \
58                                 || is_kabylake(codec))
59
60 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
61 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
62 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
63
64 struct hdmi_spec_per_cvt {
65         hda_nid_t cvt_nid;
66         int assigned;
67         unsigned int channels_min;
68         unsigned int channels_max;
69         u32 rates;
70         u64 formats;
71         unsigned int maxbps;
72 };
73
74 /* max. connections to a widget */
75 #define HDA_MAX_CONNECTIONS     32
76
77 struct hdmi_spec_per_pin {
78         hda_nid_t pin_nid;
79         /* pin idx, different device entries on the same pin use the same idx */
80         int pin_nid_idx;
81         int num_mux_nids;
82         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
83         int mux_idx;
84         hda_nid_t cvt_nid;
85
86         struct hda_codec *codec;
87         struct hdmi_eld sink_eld;
88         struct mutex lock;
89         struct delayed_work work;
90         struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
91         int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
92         int repoll_count;
93         bool setup; /* the stream has been set up by prepare callback */
94         int channels; /* current number of channels */
95         bool non_pcm;
96         bool chmap_set;         /* channel-map override by ALSA API? */
97         unsigned char chmap[8]; /* ALSA API channel-map */
98 #ifdef CONFIG_SND_PROC_FS
99         struct snd_info_entry *proc_entry;
100 #endif
101 };
102
103 /* operations used by generic code that can be overridden by patches */
104 struct hdmi_ops {
105         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
106                            unsigned char *buf, int *eld_size);
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 };
118
119 struct hdmi_pcm {
120         struct hda_pcm *pcm;
121         struct snd_jack *jack;
122         struct snd_kcontrol *eld_ctl;
123 };
124
125 struct hdmi_spec {
126         int num_cvts;
127         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
128         hda_nid_t cvt_nids[4]; /* only for haswell fix */
129
130         int num_pins;
131         struct snd_array pins; /* struct hdmi_spec_per_pin */
132         struct hdmi_pcm pcm_rec[16];
133         struct mutex pcm_lock;
134         /* pcm_bitmap means which pcms have been assigned to pins*/
135         unsigned long pcm_bitmap;
136         int pcm_used;   /* counter of pcm_rec[] */
137         /* bitmap shows whether the pcm is opened in user space
138          * bit 0 means the first playback PCM (PCM3);
139          * bit 1 means the second playback PCM, and so on.
140          */
141         unsigned long pcm_in_use;
142
143         struct hdmi_eld temp_eld;
144         struct hdmi_ops ops;
145
146         bool dyn_pin_out;
147         bool dyn_pcm_assign;
148         /*
149          * Non-generic VIA/NVIDIA specific
150          */
151         struct hda_multi_out multiout;
152         struct hda_pcm_stream pcm_playback;
153
154         /* i915/powerwell (Haswell+/Valleyview+) specific */
155         bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
156         struct i915_audio_component_audio_ops i915_audio_ops;
157         bool i915_bound; /* was i915 bound in this driver? */
158
159         struct hdac_chmap chmap;
160 };
161
162 #ifdef CONFIG_SND_HDA_I915
163 static inline bool codec_has_acomp(struct hda_codec *codec)
164 {
165         struct hdmi_spec *spec = codec->spec;
166         return spec->use_acomp_notifier;
167 }
168 #else
169 #define codec_has_acomp(codec)  false
170 #endif
171
172 struct hdmi_audio_infoframe {
173         u8 type; /* 0x84 */
174         u8 ver;  /* 0x01 */
175         u8 len;  /* 0x0a */
176
177         u8 checksum;
178
179         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
180         u8 SS01_SF24;
181         u8 CXT04;
182         u8 CA;
183         u8 LFEPBL01_LSV36_DM_INH7;
184 };
185
186 struct dp_audio_infoframe {
187         u8 type; /* 0x84 */
188         u8 len;  /* 0x1b */
189         u8 ver;  /* 0x11 << 2 */
190
191         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
192         u8 SS01_SF24;
193         u8 CXT04;
194         u8 CA;
195         u8 LFEPBL01_LSV36_DM_INH7;
196 };
197
198 union audio_infoframe {
199         struct hdmi_audio_infoframe hdmi;
200         struct dp_audio_infoframe dp;
201         u8 bytes[0];
202 };
203
204 /*
205  * HDMI routines
206  */
207
208 #define get_pin(spec, idx) \
209         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
210 #define get_cvt(spec, idx) \
211         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
212 /* obtain hdmi_pcm object assigned to idx */
213 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
214 /* obtain hda_pcm object assigned to idx */
215 #define get_pcm_rec(spec, idx)  (get_hdmi_pcm(spec, idx)->pcm)
216
217 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
218 {
219         struct hdmi_spec *spec = codec->spec;
220         int pin_idx;
221
222         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
223                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
224                         return pin_idx;
225
226         codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
227         return -EINVAL;
228 }
229
230 static int hinfo_to_pcm_index(struct hda_codec *codec,
231                         struct hda_pcm_stream *hinfo)
232 {
233         struct hdmi_spec *spec = codec->spec;
234         int pcm_idx;
235
236         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
237                 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
238                         return pcm_idx;
239
240         codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
241         return -EINVAL;
242 }
243
244 static int hinfo_to_pin_index(struct hda_codec *codec,
245                               struct hda_pcm_stream *hinfo)
246 {
247         struct hdmi_spec *spec = codec->spec;
248         struct hdmi_spec_per_pin *per_pin;
249         int pin_idx;
250
251         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
252                 per_pin = get_pin(spec, pin_idx);
253                 if (per_pin->pcm &&
254                         per_pin->pcm->pcm->stream == hinfo)
255                         return pin_idx;
256         }
257
258         codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
259         return -EINVAL;
260 }
261
262 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
263                                                 int pcm_idx)
264 {
265         int i;
266         struct hdmi_spec_per_pin *per_pin;
267
268         for (i = 0; i < spec->num_pins; i++) {
269                 per_pin = get_pin(spec, i);
270                 if (per_pin->pcm_idx == pcm_idx)
271                         return per_pin;
272         }
273         return NULL;
274 }
275
276 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
277 {
278         struct hdmi_spec *spec = codec->spec;
279         int cvt_idx;
280
281         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
282                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
283                         return cvt_idx;
284
285         codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
286         return -EINVAL;
287 }
288
289 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
290                         struct snd_ctl_elem_info *uinfo)
291 {
292         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
293         struct hdmi_spec *spec = codec->spec;
294         struct hdmi_spec_per_pin *per_pin;
295         struct hdmi_eld *eld;
296         int pcm_idx;
297
298         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
299
300         pcm_idx = kcontrol->private_value;
301         mutex_lock(&spec->pcm_lock);
302         per_pin = pcm_idx_to_pin(spec, pcm_idx);
303         if (!per_pin) {
304                 /* no pin is bound to the pcm */
305                 uinfo->count = 0;
306                 mutex_unlock(&spec->pcm_lock);
307                 return 0;
308         }
309         eld = &per_pin->sink_eld;
310         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
311         mutex_unlock(&spec->pcm_lock);
312
313         return 0;
314 }
315
316 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
317                         struct snd_ctl_elem_value *ucontrol)
318 {
319         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
320         struct hdmi_spec *spec = codec->spec;
321         struct hdmi_spec_per_pin *per_pin;
322         struct hdmi_eld *eld;
323         int pcm_idx;
324
325         pcm_idx = kcontrol->private_value;
326         mutex_lock(&spec->pcm_lock);
327         per_pin = pcm_idx_to_pin(spec, pcm_idx);
328         if (!per_pin) {
329                 /* no pin is bound to the pcm */
330                 memset(ucontrol->value.bytes.data, 0,
331                        ARRAY_SIZE(ucontrol->value.bytes.data));
332                 mutex_unlock(&spec->pcm_lock);
333                 return 0;
334         }
335         eld = &per_pin->sink_eld;
336
337         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
338             eld->eld_size > ELD_MAX_SIZE) {
339                 mutex_unlock(&spec->pcm_lock);
340                 snd_BUG();
341                 return -EINVAL;
342         }
343
344         memset(ucontrol->value.bytes.data, 0,
345                ARRAY_SIZE(ucontrol->value.bytes.data));
346         if (eld->eld_valid)
347                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
348                        eld->eld_size);
349         mutex_unlock(&spec->pcm_lock);
350
351         return 0;
352 }
353
354 static struct snd_kcontrol_new eld_bytes_ctl = {
355         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
356         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
357         .name = "ELD",
358         .info = hdmi_eld_ctl_info,
359         .get = hdmi_eld_ctl_get,
360 };
361
362 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
363                         int device)
364 {
365         struct snd_kcontrol *kctl;
366         struct hdmi_spec *spec = codec->spec;
367         int err;
368
369         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
370         if (!kctl)
371                 return -ENOMEM;
372         kctl->private_value = pcm_idx;
373         kctl->id.device = device;
374
375         /* no pin nid is associated with the kctl now
376          * tbd: associate pin nid to eld ctl later
377          */
378         err = snd_hda_ctl_add(codec, 0, kctl);
379         if (err < 0)
380                 return err;
381
382         get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
383         return 0;
384 }
385
386 #ifdef BE_PARANOID
387 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
388                                 int *packet_index, int *byte_index)
389 {
390         int val;
391
392         val = snd_hda_codec_read(codec, pin_nid, 0,
393                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
394
395         *packet_index = val >> 5;
396         *byte_index = val & 0x1f;
397 }
398 #endif
399
400 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
401                                 int packet_index, int byte_index)
402 {
403         int val;
404
405         val = (packet_index << 5) | (byte_index & 0x1f);
406
407         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
408 }
409
410 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
411                                 unsigned char val)
412 {
413         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
414 }
415
416 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
417 {
418         struct hdmi_spec *spec = codec->spec;
419         int pin_out;
420
421         /* Unmute */
422         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
423                 snd_hda_codec_write(codec, pin_nid, 0,
424                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
425
426         if (spec->dyn_pin_out)
427                 /* Disable pin out until stream is active */
428                 pin_out = 0;
429         else
430                 /* Enable pin out: some machines with GM965 gets broken output
431                  * when the pin is disabled or changed while using with HDMI
432                  */
433                 pin_out = PIN_OUT;
434
435         snd_hda_codec_write(codec, pin_nid, 0,
436                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
437 }
438
439 /*
440  * ELD proc files
441  */
442
443 #ifdef CONFIG_SND_PROC_FS
444 static void print_eld_info(struct snd_info_entry *entry,
445                            struct snd_info_buffer *buffer)
446 {
447         struct hdmi_spec_per_pin *per_pin = entry->private_data;
448
449         mutex_lock(&per_pin->lock);
450         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
451         mutex_unlock(&per_pin->lock);
452 }
453
454 static void write_eld_info(struct snd_info_entry *entry,
455                            struct snd_info_buffer *buffer)
456 {
457         struct hdmi_spec_per_pin *per_pin = entry->private_data;
458
459         mutex_lock(&per_pin->lock);
460         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
461         mutex_unlock(&per_pin->lock);
462 }
463
464 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
465 {
466         char name[32];
467         struct hda_codec *codec = per_pin->codec;
468         struct snd_info_entry *entry;
469         int err;
470
471         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
472         err = snd_card_proc_new(codec->card, name, &entry);
473         if (err < 0)
474                 return err;
475
476         snd_info_set_text_ops(entry, per_pin, print_eld_info);
477         entry->c.text.write = write_eld_info;
478         entry->mode |= S_IWUSR;
479         per_pin->proc_entry = entry;
480
481         return 0;
482 }
483
484 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
485 {
486         if (!per_pin->codec->bus->shutdown) {
487                 snd_info_free_entry(per_pin->proc_entry);
488                 per_pin->proc_entry = NULL;
489         }
490 }
491 #else
492 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
493                                int index)
494 {
495         return 0;
496 }
497 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
498 {
499 }
500 #endif
501
502 /*
503  * Audio InfoFrame routines
504  */
505
506 /*
507  * Enable Audio InfoFrame Transmission
508  */
509 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
510                                        hda_nid_t pin_nid)
511 {
512         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
513         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
514                                                 AC_DIPXMIT_BEST);
515 }
516
517 /*
518  * Disable Audio InfoFrame Transmission
519  */
520 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
521                                       hda_nid_t pin_nid)
522 {
523         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
524         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
525                                                 AC_DIPXMIT_DISABLE);
526 }
527
528 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
529 {
530 #ifdef CONFIG_SND_DEBUG_VERBOSE
531         int i;
532         int size;
533
534         size = snd_hdmi_get_eld_size(codec, pin_nid);
535         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
536
537         for (i = 0; i < 8; i++) {
538                 size = snd_hda_codec_read(codec, pin_nid, 0,
539                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
540                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
541         }
542 #endif
543 }
544
545 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
546 {
547 #ifdef BE_PARANOID
548         int i, j;
549         int size;
550         int pi, bi;
551         for (i = 0; i < 8; i++) {
552                 size = snd_hda_codec_read(codec, pin_nid, 0,
553                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
554                 if (size == 0)
555                         continue;
556
557                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
558                 for (j = 1; j < 1000; j++) {
559                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
560                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
561                         if (pi != i)
562                                 codec_dbg(codec, "dip index %d: %d != %d\n",
563                                                 bi, pi, i);
564                         if (bi == 0) /* byte index wrapped around */
565                                 break;
566                 }
567                 codec_dbg(codec,
568                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
569                         i, size, j);
570         }
571 #endif
572 }
573
574 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
575 {
576         u8 *bytes = (u8 *)hdmi_ai;
577         u8 sum = 0;
578         int i;
579
580         hdmi_ai->checksum = 0;
581
582         for (i = 0; i < sizeof(*hdmi_ai); i++)
583                 sum += bytes[i];
584
585         hdmi_ai->checksum = -sum;
586 }
587
588 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
589                                       hda_nid_t pin_nid,
590                                       u8 *dip, int size)
591 {
592         int i;
593
594         hdmi_debug_dip_size(codec, pin_nid);
595         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
596
597         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
598         for (i = 0; i < size; i++)
599                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
600 }
601
602 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
603                                     u8 *dip, int size)
604 {
605         u8 val;
606         int i;
607
608         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
609                                                             != AC_DIPXMIT_BEST)
610                 return false;
611
612         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
613         for (i = 0; i < size; i++) {
614                 val = snd_hda_codec_read(codec, pin_nid, 0,
615                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
616                 if (val != dip[i])
617                         return false;
618         }
619
620         return true;
621 }
622
623 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
624                                      hda_nid_t pin_nid,
625                                      int ca, int active_channels,
626                                      int conn_type)
627 {
628         union audio_infoframe ai;
629
630         memset(&ai, 0, sizeof(ai));
631         if (conn_type == 0) { /* HDMI */
632                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
633
634                 hdmi_ai->type           = 0x84;
635                 hdmi_ai->ver            = 0x01;
636                 hdmi_ai->len            = 0x0a;
637                 hdmi_ai->CC02_CT47      = active_channels - 1;
638                 hdmi_ai->CA             = ca;
639                 hdmi_checksum_audio_infoframe(hdmi_ai);
640         } else if (conn_type == 1) { /* DisplayPort */
641                 struct dp_audio_infoframe *dp_ai = &ai.dp;
642
643                 dp_ai->type             = 0x84;
644                 dp_ai->len              = 0x1b;
645                 dp_ai->ver              = 0x11 << 2;
646                 dp_ai->CC02_CT47        = active_channels - 1;
647                 dp_ai->CA               = ca;
648         } else {
649                 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
650                             pin_nid);
651                 return;
652         }
653
654         /*
655          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
656          * sizeof(*dp_ai) to avoid partial match/update problems when
657          * the user switches between HDMI/DP monitors.
658          */
659         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
660                                         sizeof(ai))) {
661                 codec_dbg(codec,
662                           "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
663                             pin_nid,
664                             active_channels, ca);
665                 hdmi_stop_infoframe_trans(codec, pin_nid);
666                 hdmi_fill_audio_infoframe(codec, pin_nid,
667                                             ai.bytes, sizeof(ai));
668                 hdmi_start_infoframe_trans(codec, pin_nid);
669         }
670 }
671
672 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
673                                        struct hdmi_spec_per_pin *per_pin,
674                                        bool non_pcm)
675 {
676         struct hdmi_spec *spec = codec->spec;
677         struct hdac_chmap *chmap = &spec->chmap;
678         hda_nid_t pin_nid = per_pin->pin_nid;
679         int channels = per_pin->channels;
680         int active_channels;
681         struct hdmi_eld *eld;
682         int ca;
683
684         if (!channels)
685                 return;
686
687         if (is_haswell_plus(codec))
688                 snd_hda_codec_write(codec, pin_nid, 0,
689                                             AC_VERB_SET_AMP_GAIN_MUTE,
690                                             AMP_OUT_UNMUTE);
691
692         eld = &per_pin->sink_eld;
693
694         ca = snd_hdac_channel_allocation(&codec->core,
695                         eld->info.spk_alloc, channels,
696                         per_pin->chmap_set, non_pcm, per_pin->chmap);
697
698         active_channels = snd_hdac_get_active_channels(ca);
699
700         chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
701                                                 active_channels);
702
703         /*
704          * always configure channel mapping, it may have been changed by the
705          * user in the meantime
706          */
707         snd_hdac_setup_channel_mapping(&spec->chmap,
708                                 pin_nid, non_pcm, ca, channels,
709                                 per_pin->chmap, per_pin->chmap_set);
710
711         spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
712                                       eld->info.conn_type);
713
714         per_pin->non_pcm = non_pcm;
715 }
716
717 /*
718  * Unsolicited events
719  */
720
721 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
722
723 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
724 {
725         struct hdmi_spec *spec = codec->spec;
726         int pin_idx = pin_nid_to_pin_index(codec, nid);
727
728         if (pin_idx < 0)
729                 return;
730         if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
731                 snd_hda_jack_report_sync(codec);
732 }
733
734 static void jack_callback(struct hda_codec *codec,
735                           struct hda_jack_callback *jack)
736 {
737         check_presence_and_report(codec, jack->nid);
738 }
739
740 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
741 {
742         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
743         struct hda_jack_tbl *jack;
744         int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
745
746         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
747         if (!jack)
748                 return;
749         jack->jack_dirty = 1;
750
751         codec_dbg(codec,
752                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
753                 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
754                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
755
756         check_presence_and_report(codec, jack->nid);
757 }
758
759 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
760 {
761         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
762         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
763         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
764         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
765
766         codec_info(codec,
767                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
768                 codec->addr,
769                 tag,
770                 subtag,
771                 cp_state,
772                 cp_ready);
773
774         /* TODO */
775         if (cp_state)
776                 ;
777         if (cp_ready)
778                 ;
779 }
780
781
782 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
783 {
784         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
785         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
786
787         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
788                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
789                 return;
790         }
791
792         if (subtag == 0)
793                 hdmi_intrinsic_event(codec, res);
794         else
795                 hdmi_non_intrinsic_event(codec, res);
796 }
797
798 static void haswell_verify_D0(struct hda_codec *codec,
799                 hda_nid_t cvt_nid, hda_nid_t nid)
800 {
801         int pwr;
802
803         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
804          * thus pins could only choose converter 0 for use. Make sure the
805          * converters are in correct power state */
806         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
807                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
808
809         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
810                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
811                                     AC_PWRST_D0);
812                 msleep(40);
813                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
814                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
815                 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
816         }
817 }
818
819 /*
820  * Callbacks
821  */
822
823 /* HBR should be Non-PCM, 8 channels */
824 #define is_hbr_format(format) \
825         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
826
827 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
828                               bool hbr)
829 {
830         int pinctl, new_pinctl;
831
832         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
833                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
834                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
835
836                 if (pinctl < 0)
837                         return hbr ? -EINVAL : 0;
838
839                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
840                 if (hbr)
841                         new_pinctl |= AC_PINCTL_EPT_HBR;
842                 else
843                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
844
845                 codec_dbg(codec,
846                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
847                             pin_nid,
848                             pinctl == new_pinctl ? "" : "new-",
849                             new_pinctl);
850
851                 if (pinctl != new_pinctl)
852                         snd_hda_codec_write(codec, pin_nid, 0,
853                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
854                                             new_pinctl);
855         } else if (hbr)
856                 return -EINVAL;
857
858         return 0;
859 }
860
861 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
862                               hda_nid_t pin_nid, u32 stream_tag, int format)
863 {
864         struct hdmi_spec *spec = codec->spec;
865         int err;
866
867         if (is_haswell_plus(codec))
868                 haswell_verify_D0(codec, cvt_nid, pin_nid);
869
870         err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
871
872         if (err) {
873                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
874                 return err;
875         }
876
877         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
878         return 0;
879 }
880
881 /* Try to find an available converter
882  * If pin_idx is less then zero, just try to find an available converter.
883  * Otherwise, try to find an available converter and get the cvt mux index
884  * of the pin.
885  */
886 static int hdmi_choose_cvt(struct hda_codec *codec,
887                         int pin_idx, int *cvt_id, int *mux_id)
888 {
889         struct hdmi_spec *spec = codec->spec;
890         struct hdmi_spec_per_pin *per_pin;
891         struct hdmi_spec_per_cvt *per_cvt = NULL;
892         int cvt_idx, mux_idx = 0;
893
894         /* pin_idx < 0 means no pin will be bound to the converter */
895         if (pin_idx < 0)
896                 per_pin = NULL;
897         else
898                 per_pin = get_pin(spec, pin_idx);
899
900         /* Dynamically assign converter to stream */
901         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
902                 per_cvt = get_cvt(spec, cvt_idx);
903
904                 /* Must not already be assigned */
905                 if (per_cvt->assigned)
906                         continue;
907                 if (per_pin == NULL)
908                         break;
909                 /* Must be in pin's mux's list of converters */
910                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
911                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
912                                 break;
913                 /* Not in mux list */
914                 if (mux_idx == per_pin->num_mux_nids)
915                         continue;
916                 break;
917         }
918
919         /* No free converters */
920         if (cvt_idx == spec->num_cvts)
921                 return -EBUSY;
922
923         if (per_pin != NULL)
924                 per_pin->mux_idx = mux_idx;
925
926         if (cvt_id)
927                 *cvt_id = cvt_idx;
928         if (mux_id)
929                 *mux_id = mux_idx;
930
931         return 0;
932 }
933
934 /* Assure the pin select the right convetor */
935 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
936                         struct hdmi_spec_per_pin *per_pin)
937 {
938         hda_nid_t pin_nid = per_pin->pin_nid;
939         int mux_idx, curr;
940
941         mux_idx = per_pin->mux_idx;
942         curr = snd_hda_codec_read(codec, pin_nid, 0,
943                                           AC_VERB_GET_CONNECT_SEL, 0);
944         if (curr != mux_idx)
945                 snd_hda_codec_write_cache(codec, pin_nid, 0,
946                                             AC_VERB_SET_CONNECT_SEL,
947                                             mux_idx);
948 }
949
950 /* get the mux index for the converter of the pins
951  * converter's mux index is the same for all pins on Intel platform
952  */
953 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
954                         hda_nid_t cvt_nid)
955 {
956         int i;
957
958         for (i = 0; i < spec->num_cvts; i++)
959                 if (spec->cvt_nids[i] == cvt_nid)
960                         return i;
961         return -EINVAL;
962 }
963
964 /* Intel HDMI workaround to fix audio routing issue:
965  * For some Intel display codecs, pins share the same connection list.
966  * So a conveter can be selected by multiple pins and playback on any of these
967  * pins will generate sound on the external display, because audio flows from
968  * the same converter to the display pipeline. Also muting one pin may make
969  * other pins have no sound output.
970  * So this function assures that an assigned converter for a pin is not selected
971  * by any other pins.
972  */
973 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
974                         hda_nid_t pin_nid, int mux_idx)
975 {
976         struct hdmi_spec *spec = codec->spec;
977         hda_nid_t nid;
978         int cvt_idx, curr;
979         struct hdmi_spec_per_cvt *per_cvt;
980
981         /* configure all pins, including "no physical connection" ones */
982         for_each_hda_codec_node(nid, codec) {
983                 unsigned int wid_caps = get_wcaps(codec, nid);
984                 unsigned int wid_type = get_wcaps_type(wid_caps);
985
986                 if (wid_type != AC_WID_PIN)
987                         continue;
988
989                 if (nid == pin_nid)
990                         continue;
991
992                 curr = snd_hda_codec_read(codec, nid, 0,
993                                           AC_VERB_GET_CONNECT_SEL, 0);
994                 if (curr != mux_idx)
995                         continue;
996
997                 /* choose an unassigned converter. The conveters in the
998                  * connection list are in the same order as in the codec.
999                  */
1000                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1001                         per_cvt = get_cvt(spec, cvt_idx);
1002                         if (!per_cvt->assigned) {
1003                                 codec_dbg(codec,
1004                                           "choose cvt %d for pin nid %d\n",
1005                                         cvt_idx, nid);
1006                                 snd_hda_codec_write_cache(codec, nid, 0,
1007                                             AC_VERB_SET_CONNECT_SEL,
1008                                             cvt_idx);
1009                                 break;
1010                         }
1011                 }
1012         }
1013 }
1014
1015 /* A wrapper of intel_not_share_asigned_cvt() */
1016 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1017                         hda_nid_t pin_nid, hda_nid_t cvt_nid)
1018 {
1019         int mux_idx;
1020         struct hdmi_spec *spec = codec->spec;
1021
1022         if (!is_haswell_plus(codec) && !is_valleyview_plus(codec))
1023                 return;
1024
1025         /* On Intel platform, the mapping of converter nid to
1026          * mux index of the pins are always the same.
1027          * The pin nid may be 0, this means all pins will not
1028          * share the converter.
1029          */
1030         mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1031         if (mux_idx >= 0)
1032                 intel_not_share_assigned_cvt(codec, pin_nid, mux_idx);
1033 }
1034
1035 /* called in hdmi_pcm_open when no pin is assigned to the PCM
1036  * in dyn_pcm_assign mode.
1037  */
1038 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1039                          struct hda_codec *codec,
1040                          struct snd_pcm_substream *substream)
1041 {
1042         struct hdmi_spec *spec = codec->spec;
1043         struct snd_pcm_runtime *runtime = substream->runtime;
1044         int cvt_idx, pcm_idx;
1045         struct hdmi_spec_per_cvt *per_cvt = NULL;
1046         int err;
1047
1048         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1049         if (pcm_idx < 0)
1050                 return -EINVAL;
1051
1052         err = hdmi_choose_cvt(codec, -1, &cvt_idx, NULL);
1053         if (err)
1054                 return err;
1055
1056         per_cvt = get_cvt(spec, cvt_idx);
1057         per_cvt->assigned = 1;
1058         hinfo->nid = per_cvt->cvt_nid;
1059
1060         intel_not_share_assigned_cvt_nid(codec, 0, per_cvt->cvt_nid);
1061
1062         set_bit(pcm_idx, &spec->pcm_in_use);
1063         /* todo: setup spdif ctls assign */
1064
1065         /* Initially set the converter's capabilities */
1066         hinfo->channels_min = per_cvt->channels_min;
1067         hinfo->channels_max = per_cvt->channels_max;
1068         hinfo->rates = per_cvt->rates;
1069         hinfo->formats = per_cvt->formats;
1070         hinfo->maxbps = per_cvt->maxbps;
1071
1072         /* Store the updated parameters */
1073         runtime->hw.channels_min = hinfo->channels_min;
1074         runtime->hw.channels_max = hinfo->channels_max;
1075         runtime->hw.formats = hinfo->formats;
1076         runtime->hw.rates = hinfo->rates;
1077
1078         snd_pcm_hw_constraint_step(substream->runtime, 0,
1079                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1080         return 0;
1081 }
1082
1083 /*
1084  * HDA PCM callbacks
1085  */
1086 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1087                          struct hda_codec *codec,
1088                          struct snd_pcm_substream *substream)
1089 {
1090         struct hdmi_spec *spec = codec->spec;
1091         struct snd_pcm_runtime *runtime = substream->runtime;
1092         int pin_idx, cvt_idx, pcm_idx, mux_idx = 0;
1093         struct hdmi_spec_per_pin *per_pin;
1094         struct hdmi_eld *eld;
1095         struct hdmi_spec_per_cvt *per_cvt = NULL;
1096         int err;
1097
1098         /* Validate hinfo */
1099         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1100         if (pcm_idx < 0)
1101                 return -EINVAL;
1102
1103         mutex_lock(&spec->pcm_lock);
1104         pin_idx = hinfo_to_pin_index(codec, hinfo);
1105         if (!spec->dyn_pcm_assign) {
1106                 if (snd_BUG_ON(pin_idx < 0)) {
1107                         mutex_unlock(&spec->pcm_lock);
1108                         return -EINVAL;
1109                 }
1110         } else {
1111                 /* no pin is assigned to the PCM
1112                  * PA need pcm open successfully when probe
1113                  */
1114                 if (pin_idx < 0) {
1115                         err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1116                         mutex_unlock(&spec->pcm_lock);
1117                         return err;
1118                 }
1119         }
1120
1121         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1122         if (err < 0) {
1123                 mutex_unlock(&spec->pcm_lock);
1124                 return err;
1125         }
1126
1127         per_cvt = get_cvt(spec, cvt_idx);
1128         /* Claim converter */
1129         per_cvt->assigned = 1;
1130
1131         set_bit(pcm_idx, &spec->pcm_in_use);
1132         per_pin = get_pin(spec, pin_idx);
1133         per_pin->cvt_nid = per_cvt->cvt_nid;
1134         hinfo->nid = per_cvt->cvt_nid;
1135
1136         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1137                             AC_VERB_SET_CONNECT_SEL,
1138                             mux_idx);
1139
1140         /* configure unused pins to choose other converters */
1141         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1142                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1143
1144         snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1145
1146         /* Initially set the converter's capabilities */
1147         hinfo->channels_min = per_cvt->channels_min;
1148         hinfo->channels_max = per_cvt->channels_max;
1149         hinfo->rates = per_cvt->rates;
1150         hinfo->formats = per_cvt->formats;
1151         hinfo->maxbps = per_cvt->maxbps;
1152
1153         eld = &per_pin->sink_eld;
1154         /* Restrict capabilities by ELD if this isn't disabled */
1155         if (!static_hdmi_pcm && eld->eld_valid) {
1156                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1157                 if (hinfo->channels_min > hinfo->channels_max ||
1158                     !hinfo->rates || !hinfo->formats) {
1159                         per_cvt->assigned = 0;
1160                         hinfo->nid = 0;
1161                         snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1162                         mutex_unlock(&spec->pcm_lock);
1163                         return -ENODEV;
1164                 }
1165         }
1166
1167         mutex_unlock(&spec->pcm_lock);
1168         /* Store the updated parameters */
1169         runtime->hw.channels_min = hinfo->channels_min;
1170         runtime->hw.channels_max = hinfo->channels_max;
1171         runtime->hw.formats = hinfo->formats;
1172         runtime->hw.rates = hinfo->rates;
1173
1174         snd_pcm_hw_constraint_step(substream->runtime, 0,
1175                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1176         return 0;
1177 }
1178
1179 /*
1180  * HDA/HDMI auto parsing
1181  */
1182 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1183 {
1184         struct hdmi_spec *spec = codec->spec;
1185         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1186         hda_nid_t pin_nid = per_pin->pin_nid;
1187
1188         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1189                 codec_warn(codec,
1190                            "HDMI: pin %d wcaps %#x does not support connection list\n",
1191                            pin_nid, get_wcaps(codec, pin_nid));
1192                 return -EINVAL;
1193         }
1194
1195         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1196                                                         per_pin->mux_nids,
1197                                                         HDA_MAX_CONNECTIONS);
1198
1199         return 0;
1200 }
1201
1202 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1203                                 struct hdmi_spec_per_pin *per_pin)
1204 {
1205         int i;
1206
1207         /* try the prefer PCM */
1208         if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
1209                 return per_pin->pin_nid_idx;
1210
1211         /* have a second try; check the "reserved area" over num_pins */
1212         for (i = spec->num_pins; i < spec->pcm_used; i++) {
1213                 if (!test_bit(i, &spec->pcm_bitmap))
1214                         return i;
1215         }
1216
1217         /* the last try; check the empty slots in pins */
1218         for (i = 0; i < spec->num_pins; i++) {
1219                 if (!test_bit(i, &spec->pcm_bitmap))
1220                         return i;
1221         }
1222         return -EBUSY;
1223 }
1224
1225 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1226                                 struct hdmi_spec_per_pin *per_pin)
1227 {
1228         int idx;
1229
1230         /* pcm already be attached to the pin */
1231         if (per_pin->pcm)
1232                 return;
1233         idx = hdmi_find_pcm_slot(spec, per_pin);
1234         if (idx == -EBUSY)
1235                 return;
1236         per_pin->pcm_idx = idx;
1237         per_pin->pcm = get_hdmi_pcm(spec, idx);
1238         set_bit(idx, &spec->pcm_bitmap);
1239 }
1240
1241 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1242                                 struct hdmi_spec_per_pin *per_pin)
1243 {
1244         int idx;
1245
1246         /* pcm already be detached from the pin */
1247         if (!per_pin->pcm)
1248                 return;
1249         idx = per_pin->pcm_idx;
1250         per_pin->pcm_idx = -1;
1251         per_pin->pcm = NULL;
1252         if (idx >= 0 && idx < spec->pcm_used)
1253                 clear_bit(idx, &spec->pcm_bitmap);
1254 }
1255
1256 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1257                 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1258 {
1259         int mux_idx;
1260
1261         for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1262                 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1263                         break;
1264         return mux_idx;
1265 }
1266
1267 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1268
1269 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1270                            struct hdmi_spec_per_pin *per_pin)
1271 {
1272         struct hda_codec *codec = per_pin->codec;
1273         struct hda_pcm *pcm;
1274         struct hda_pcm_stream *hinfo;
1275         struct snd_pcm_substream *substream;
1276         int mux_idx;
1277         bool non_pcm;
1278
1279         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1280                 pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1281         else
1282                 return;
1283         if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1284                 return;
1285
1286         /* hdmi audio only uses playback and one substream */
1287         hinfo = pcm->stream;
1288         substream = pcm->pcm->streams[0].substream;
1289
1290         per_pin->cvt_nid = hinfo->nid;
1291
1292         mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1293         if (mux_idx < per_pin->num_mux_nids)
1294                 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1295                                 AC_VERB_SET_CONNECT_SEL,
1296                                 mux_idx);
1297         snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1298
1299         non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1300         if (substream->runtime)
1301                 per_pin->channels = substream->runtime->channels;
1302         per_pin->setup = true;
1303         per_pin->mux_idx = mux_idx;
1304
1305         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1306 }
1307
1308 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1309                            struct hdmi_spec_per_pin *per_pin)
1310 {
1311         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1312                 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1313
1314         per_pin->chmap_set = false;
1315         memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1316
1317         per_pin->setup = false;
1318         per_pin->channels = 0;
1319 }
1320
1321 /* update per_pin ELD from the given new ELD;
1322  * setup info frame and notification accordingly
1323  */
1324 static void update_eld(struct hda_codec *codec,
1325                        struct hdmi_spec_per_pin *per_pin,
1326                        struct hdmi_eld *eld)
1327 {
1328         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1329         struct hdmi_spec *spec = codec->spec;
1330         bool old_eld_valid = pin_eld->eld_valid;
1331         bool eld_changed;
1332         int pcm_idx = -1;
1333
1334         /* for monitor disconnection, save pcm_idx firstly */
1335         pcm_idx = per_pin->pcm_idx;
1336         if (spec->dyn_pcm_assign) {
1337                 if (eld->eld_valid) {
1338                         hdmi_attach_hda_pcm(spec, per_pin);
1339                         hdmi_pcm_setup_pin(spec, per_pin);
1340                 } else {
1341                         hdmi_pcm_reset_pin(spec, per_pin);
1342                         hdmi_detach_hda_pcm(spec, per_pin);
1343                 }
1344         }
1345         /* if pcm_idx == -1, it means this is in monitor connection event
1346          * we can get the correct pcm_idx now.
1347          */
1348         if (pcm_idx == -1)
1349                 pcm_idx = per_pin->pcm_idx;
1350
1351         if (eld->eld_valid)
1352                 snd_hdmi_show_eld(codec, &eld->info);
1353
1354         eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1355         if (eld->eld_valid && pin_eld->eld_valid)
1356                 if (pin_eld->eld_size != eld->eld_size ||
1357                     memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1358                            eld->eld_size) != 0)
1359                         eld_changed = true;
1360
1361         pin_eld->monitor_present = eld->monitor_present;
1362         pin_eld->eld_valid = eld->eld_valid;
1363         pin_eld->eld_size = eld->eld_size;
1364         if (eld->eld_valid)
1365                 memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
1366         pin_eld->info = eld->info;
1367
1368         /*
1369          * Re-setup pin and infoframe. This is needed e.g. when
1370          * - sink is first plugged-in
1371          * - transcoder can change during stream playback on Haswell
1372          *   and this can make HW reset converter selection on a pin.
1373          */
1374         if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1375                 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1376                         intel_verify_pin_cvt_connect(codec, per_pin);
1377                         intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
1378                                                      per_pin->mux_idx);
1379                 }
1380
1381                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1382         }
1383
1384         if (eld_changed && pcm_idx >= 0)
1385                 snd_ctl_notify(codec->card,
1386                                SNDRV_CTL_EVENT_MASK_VALUE |
1387                                SNDRV_CTL_EVENT_MASK_INFO,
1388                                &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1389 }
1390
1391 /* update ELD and jack state via HD-audio verbs */
1392 static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1393                                          int repoll)
1394 {
1395         struct hda_jack_tbl *jack;
1396         struct hda_codec *codec = per_pin->codec;
1397         struct hdmi_spec *spec = codec->spec;
1398         struct hdmi_eld *eld = &spec->temp_eld;
1399         hda_nid_t pin_nid = per_pin->pin_nid;
1400         /*
1401          * Always execute a GetPinSense verb here, even when called from
1402          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1403          * response's PD bit is not the real PD value, but indicates that
1404          * the real PD value changed. An older version of the HD-audio
1405          * specification worked this way. Hence, we just ignore the data in
1406          * the unsolicited response to avoid custom WARs.
1407          */
1408         int present;
1409         bool ret;
1410         bool do_repoll = false;
1411
1412         present = snd_hda_pin_sense(codec, pin_nid);
1413
1414         mutex_lock(&per_pin->lock);
1415         eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1416         if (eld->monitor_present)
1417                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1418         else
1419                 eld->eld_valid = false;
1420
1421         codec_dbg(codec,
1422                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1423                 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1424
1425         if (eld->eld_valid) {
1426                 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1427                                                      &eld->eld_size) < 0)
1428                         eld->eld_valid = false;
1429                 else {
1430                         if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1431                                                     eld->eld_size) < 0)
1432                                 eld->eld_valid = false;
1433                 }
1434                 if (!eld->eld_valid && repoll)
1435                         do_repoll = true;
1436         }
1437
1438         if (do_repoll)
1439                 schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
1440         else
1441                 update_eld(codec, per_pin, eld);
1442
1443         ret = !repoll || !eld->monitor_present || eld->eld_valid;
1444
1445         jack = snd_hda_jack_tbl_get(codec, pin_nid);
1446         if (jack)
1447                 jack->block_report = !ret;
1448
1449         mutex_unlock(&per_pin->lock);
1450         return ret;
1451 }
1452
1453 static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec,
1454                                  struct hdmi_spec_per_pin *per_pin)
1455 {
1456         struct hdmi_spec *spec = codec->spec;
1457         struct snd_jack *jack = NULL;
1458         struct hda_jack_tbl *jack_tbl;
1459
1460         /* if !dyn_pcm_assign, get jack from hda_jack_tbl
1461          * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not
1462          * NULL even after snd_hda_jack_tbl_clear() is called to
1463          * free snd_jack. This may cause access invalid memory
1464          * when calling snd_jack_report
1465          */
1466         if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign)
1467                 jack = spec->pcm_rec[per_pin->pcm_idx].jack;
1468         else if (!spec->dyn_pcm_assign) {
1469                 jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1470                 if (jack_tbl)
1471                         jack = jack_tbl->jack;
1472         }
1473         return jack;
1474 }
1475
1476 /* update ELD and jack state via audio component */
1477 static void sync_eld_via_acomp(struct hda_codec *codec,
1478                                struct hdmi_spec_per_pin *per_pin)
1479 {
1480         struct hdmi_spec *spec = codec->spec;
1481         struct hdmi_eld *eld = &spec->temp_eld;
1482         struct snd_jack *jack = NULL;
1483         int size;
1484
1485         mutex_lock(&per_pin->lock);
1486         eld->monitor_present = false;
1487         size = snd_hdac_acomp_get_eld(&codec->bus->core, per_pin->pin_nid,
1488                                       &eld->monitor_present, eld->eld_buffer,
1489                                       ELD_MAX_SIZE);
1490         if (size > 0) {
1491                 size = min(size, ELD_MAX_SIZE);
1492                 if (snd_hdmi_parse_eld(codec, &eld->info,
1493                                        eld->eld_buffer, size) < 0)
1494                         size = -EINVAL;
1495         }
1496
1497         if (size > 0) {
1498                 eld->eld_valid = true;
1499                 eld->eld_size = size;
1500         } else {
1501                 eld->eld_valid = false;
1502                 eld->eld_size = 0;
1503         }
1504
1505         /* pcm_idx >=0 before update_eld() means it is in monitor
1506          * disconnected event. Jack must be fetched before update_eld()
1507          */
1508         jack = pin_idx_to_jack(codec, per_pin);
1509         update_eld(codec, per_pin, eld);
1510         if (jack == NULL)
1511                 jack = pin_idx_to_jack(codec, per_pin);
1512         if (jack == NULL)
1513                 goto unlock;
1514         snd_jack_report(jack,
1515                         eld->monitor_present ? SND_JACK_AVOUT : 0);
1516  unlock:
1517         mutex_unlock(&per_pin->lock);
1518 }
1519
1520 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1521 {
1522         struct hda_codec *codec = per_pin->codec;
1523         struct hdmi_spec *spec = codec->spec;
1524         int ret;
1525
1526         /* no temporary power up/down needed for component notifier */
1527         if (!codec_has_acomp(codec))
1528                 snd_hda_power_up_pm(codec);
1529
1530         mutex_lock(&spec->pcm_lock);
1531         if (codec_has_acomp(codec)) {
1532                 sync_eld_via_acomp(codec, per_pin);
1533                 ret = false; /* don't call snd_hda_jack_report_sync() */
1534         } else {
1535                 ret = hdmi_present_sense_via_verbs(per_pin, repoll);
1536         }
1537         mutex_unlock(&spec->pcm_lock);
1538
1539         if (!codec_has_acomp(codec))
1540                 snd_hda_power_down_pm(codec);
1541
1542         return ret;
1543 }
1544
1545 static void hdmi_repoll_eld(struct work_struct *work)
1546 {
1547         struct hdmi_spec_per_pin *per_pin =
1548         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1549
1550         if (per_pin->repoll_count++ > 6)
1551                 per_pin->repoll_count = 0;
1552
1553         if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1554                 snd_hda_jack_report_sync(per_pin->codec);
1555 }
1556
1557 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1558                                              hda_nid_t nid);
1559
1560 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1561 {
1562         struct hdmi_spec *spec = codec->spec;
1563         unsigned int caps, config;
1564         int pin_idx;
1565         struct hdmi_spec_per_pin *per_pin;
1566         int err;
1567
1568         caps = snd_hda_query_pin_caps(codec, pin_nid);
1569         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1570                 return 0;
1571
1572         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1573         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1574                 return 0;
1575
1576         if (is_haswell_plus(codec))
1577                 intel_haswell_fixup_connect_list(codec, pin_nid);
1578
1579         pin_idx = spec->num_pins;
1580         per_pin = snd_array_new(&spec->pins);
1581         if (!per_pin)
1582                 return -ENOMEM;
1583
1584         per_pin->pin_nid = pin_nid;
1585         per_pin->non_pcm = false;
1586         if (spec->dyn_pcm_assign)
1587                 per_pin->pcm_idx = -1;
1588         else {
1589                 per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
1590                 per_pin->pcm_idx = pin_idx;
1591         }
1592         per_pin->pin_nid_idx = pin_idx;
1593
1594         err = hdmi_read_pin_conn(codec, pin_idx);
1595         if (err < 0)
1596                 return err;
1597
1598         spec->num_pins++;
1599
1600         return 0;
1601 }
1602
1603 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1604 {
1605         struct hdmi_spec *spec = codec->spec;
1606         struct hdmi_spec_per_cvt *per_cvt;
1607         unsigned int chans;
1608         int err;
1609
1610         chans = get_wcaps(codec, cvt_nid);
1611         chans = get_wcaps_channels(chans);
1612
1613         per_cvt = snd_array_new(&spec->cvts);
1614         if (!per_cvt)
1615                 return -ENOMEM;
1616
1617         per_cvt->cvt_nid = cvt_nid;
1618         per_cvt->channels_min = 2;
1619         if (chans <= 16) {
1620                 per_cvt->channels_max = chans;
1621                 if (chans > spec->chmap.channels_max)
1622                         spec->chmap.channels_max = chans;
1623         }
1624
1625         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1626                                           &per_cvt->rates,
1627                                           &per_cvt->formats,
1628                                           &per_cvt->maxbps);
1629         if (err < 0)
1630                 return err;
1631
1632         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1633                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1634         spec->num_cvts++;
1635
1636         return 0;
1637 }
1638
1639 static int hdmi_parse_codec(struct hda_codec *codec)
1640 {
1641         hda_nid_t nid;
1642         int i, nodes;
1643
1644         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1645         if (!nid || nodes < 0) {
1646                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1647                 return -EINVAL;
1648         }
1649
1650         for (i = 0; i < nodes; i++, nid++) {
1651                 unsigned int caps;
1652                 unsigned int type;
1653
1654                 caps = get_wcaps(codec, nid);
1655                 type = get_wcaps_type(caps);
1656
1657                 if (!(caps & AC_WCAP_DIGITAL))
1658                         continue;
1659
1660                 switch (type) {
1661                 case AC_WID_AUD_OUT:
1662                         hdmi_add_cvt(codec, nid);
1663                         break;
1664                 case AC_WID_PIN:
1665                         hdmi_add_pin(codec, nid);
1666                         break;
1667                 }
1668         }
1669
1670         return 0;
1671 }
1672
1673 /*
1674  */
1675 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1676 {
1677         struct hda_spdif_out *spdif;
1678         bool non_pcm;
1679
1680         mutex_lock(&codec->spdif_mutex);
1681         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1682         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1683         mutex_unlock(&codec->spdif_mutex);
1684         return non_pcm;
1685 }
1686
1687 /*
1688  * HDMI callbacks
1689  */
1690
1691 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1692                                            struct hda_codec *codec,
1693                                            unsigned int stream_tag,
1694                                            unsigned int format,
1695                                            struct snd_pcm_substream *substream)
1696 {
1697         hda_nid_t cvt_nid = hinfo->nid;
1698         struct hdmi_spec *spec = codec->spec;
1699         int pin_idx;
1700         struct hdmi_spec_per_pin *per_pin;
1701         hda_nid_t pin_nid;
1702         struct snd_pcm_runtime *runtime = substream->runtime;
1703         bool non_pcm;
1704         int pinctl;
1705         int err;
1706
1707         mutex_lock(&spec->pcm_lock);
1708         pin_idx = hinfo_to_pin_index(codec, hinfo);
1709         if (spec->dyn_pcm_assign && pin_idx < 0) {
1710                 /* when dyn_pcm_assign and pcm is not bound to a pin
1711                  * skip pin setup and return 0 to make audio playback
1712                  * be ongoing
1713                  */
1714                 intel_not_share_assigned_cvt_nid(codec, 0, cvt_nid);
1715                 snd_hda_codec_setup_stream(codec, cvt_nid,
1716                                         stream_tag, 0, format);
1717                 mutex_unlock(&spec->pcm_lock);
1718                 return 0;
1719         }
1720
1721         if (snd_BUG_ON(pin_idx < 0)) {
1722                 mutex_unlock(&spec->pcm_lock);
1723                 return -EINVAL;
1724         }
1725         per_pin = get_pin(spec, pin_idx);
1726         pin_nid = per_pin->pin_nid;
1727         if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1728                 /* Verify pin:cvt selections to avoid silent audio after S3.
1729                  * After S3, the audio driver restores pin:cvt selections
1730                  * but this can happen before gfx is ready and such selection
1731                  * is overlooked by HW. Thus multiple pins can share a same
1732                  * default convertor and mute control will affect each other,
1733                  * which can cause a resumed audio playback become silent
1734                  * after S3.
1735                  */
1736                 intel_verify_pin_cvt_connect(codec, per_pin);
1737                 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1738         }
1739
1740         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1741         /* Todo: add DP1.2 MST audio support later */
1742         if (codec_has_acomp(codec))
1743                 snd_hdac_sync_audio_rate(&codec->bus->core, pin_nid, runtime->rate);
1744
1745         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1746         mutex_lock(&per_pin->lock);
1747         per_pin->channels = substream->runtime->channels;
1748         per_pin->setup = true;
1749
1750         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1751         mutex_unlock(&per_pin->lock);
1752         if (spec->dyn_pin_out) {
1753                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1754                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1755                 snd_hda_codec_write(codec, pin_nid, 0,
1756                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1757                                     pinctl | PIN_OUT);
1758         }
1759
1760         err = spec->ops.setup_stream(codec, cvt_nid, pin_nid,
1761                                  stream_tag, format);
1762         mutex_unlock(&spec->pcm_lock);
1763         return err;
1764 }
1765
1766 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1767                                              struct hda_codec *codec,
1768                                              struct snd_pcm_substream *substream)
1769 {
1770         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1771         return 0;
1772 }
1773
1774 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1775                           struct hda_codec *codec,
1776                           struct snd_pcm_substream *substream)
1777 {
1778         struct hdmi_spec *spec = codec->spec;
1779         int cvt_idx, pin_idx, pcm_idx;
1780         struct hdmi_spec_per_cvt *per_cvt;
1781         struct hdmi_spec_per_pin *per_pin;
1782         int pinctl;
1783
1784         if (hinfo->nid) {
1785                 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1786                 if (snd_BUG_ON(pcm_idx < 0))
1787                         return -EINVAL;
1788                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1789                 if (snd_BUG_ON(cvt_idx < 0))
1790                         return -EINVAL;
1791                 per_cvt = get_cvt(spec, cvt_idx);
1792
1793                 snd_BUG_ON(!per_cvt->assigned);
1794                 per_cvt->assigned = 0;
1795                 hinfo->nid = 0;
1796
1797                 mutex_lock(&spec->pcm_lock);
1798                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1799                 clear_bit(pcm_idx, &spec->pcm_in_use);
1800                 pin_idx = hinfo_to_pin_index(codec, hinfo);
1801                 if (spec->dyn_pcm_assign && pin_idx < 0) {
1802                         mutex_unlock(&spec->pcm_lock);
1803                         return 0;
1804                 }
1805
1806                 if (snd_BUG_ON(pin_idx < 0)) {
1807                         mutex_unlock(&spec->pcm_lock);
1808                         return -EINVAL;
1809                 }
1810                 per_pin = get_pin(spec, pin_idx);
1811
1812                 if (spec->dyn_pin_out) {
1813                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1814                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1815                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1816                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1817                                             pinctl & ~PIN_OUT);
1818                 }
1819
1820                 mutex_lock(&per_pin->lock);
1821                 per_pin->chmap_set = false;
1822                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1823
1824                 per_pin->setup = false;
1825                 per_pin->channels = 0;
1826                 mutex_unlock(&per_pin->lock);
1827                 mutex_unlock(&spec->pcm_lock);
1828         }
1829
1830         return 0;
1831 }
1832
1833 static const struct hda_pcm_ops generic_ops = {
1834         .open = hdmi_pcm_open,
1835         .close = hdmi_pcm_close,
1836         .prepare = generic_hdmi_playback_pcm_prepare,
1837         .cleanup = generic_hdmi_playback_pcm_cleanup,
1838 };
1839
1840 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
1841                                         unsigned char *chmap)
1842 {
1843         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1844         struct hdmi_spec *spec = codec->spec;
1845         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1846
1847         /* chmap is already set to 0 in caller */
1848         if (!per_pin)
1849                 return;
1850
1851         memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
1852 }
1853
1854 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
1855                                 unsigned char *chmap, int prepared)
1856 {
1857         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1858         struct hdmi_spec *spec = codec->spec;
1859         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1860
1861         if (!per_pin)
1862                 return;
1863         mutex_lock(&per_pin->lock);
1864         per_pin->chmap_set = true;
1865         memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
1866         if (prepared)
1867                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1868         mutex_unlock(&per_pin->lock);
1869 }
1870
1871 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
1872 {
1873         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1874         struct hdmi_spec *spec = codec->spec;
1875         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1876
1877         return per_pin ? true:false;
1878 }
1879
1880 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1881 {
1882         struct hdmi_spec *spec = codec->spec;
1883         int pin_idx;
1884
1885         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1886                 struct hda_pcm *info;
1887                 struct hda_pcm_stream *pstr;
1888
1889                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
1890                 if (!info)
1891                         return -ENOMEM;
1892
1893                 spec->pcm_rec[pin_idx].pcm = info;
1894                 spec->pcm_used++;
1895                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1896                 info->own_chmap = true;
1897
1898                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1899                 pstr->substreams = 1;
1900                 pstr->ops = generic_ops;
1901                 /* other pstr fields are set in open */
1902         }
1903
1904         return 0;
1905 }
1906
1907 static void free_hdmi_jack_priv(struct snd_jack *jack)
1908 {
1909         struct hdmi_pcm *pcm = jack->private_data;
1910
1911         pcm->jack = NULL;
1912 }
1913
1914 static int add_hdmi_jack_kctl(struct hda_codec *codec,
1915                                struct hdmi_spec *spec,
1916                                int pcm_idx,
1917                                const char *name)
1918 {
1919         struct snd_jack *jack;
1920         int err;
1921
1922         err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack,
1923                            true, false);
1924         if (err < 0)
1925                 return err;
1926
1927         spec->pcm_rec[pcm_idx].jack = jack;
1928         jack->private_data = &spec->pcm_rec[pcm_idx];
1929         jack->private_free = free_hdmi_jack_priv;
1930         return 0;
1931 }
1932
1933 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
1934 {
1935         char hdmi_str[32] = "HDMI/DP";
1936         struct hdmi_spec *spec = codec->spec;
1937         struct hdmi_spec_per_pin *per_pin;
1938         struct hda_jack_tbl *jack;
1939         int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
1940         bool phantom_jack;
1941         int ret;
1942
1943         if (pcmdev > 0)
1944                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1945
1946         if (spec->dyn_pcm_assign)
1947                 return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str);
1948
1949         /* for !dyn_pcm_assign, we still use hda_jack for compatibility */
1950         /* if !dyn_pcm_assign, it must be non-MST mode.
1951          * This means pcms and pins are statically mapped.
1952          * And pcm_idx is pin_idx.
1953          */
1954         per_pin = get_pin(spec, pcm_idx);
1955         phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
1956         if (phantom_jack)
1957                 strncat(hdmi_str, " Phantom",
1958                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1959         ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
1960                                     phantom_jack);
1961         if (ret < 0)
1962                 return ret;
1963         jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1964         if (jack == NULL)
1965                 return 0;
1966         /* assign jack->jack to pcm_rec[].jack to
1967          * align with dyn_pcm_assign mode
1968          */
1969         spec->pcm_rec[pcm_idx].jack = jack->jack;
1970         return 0;
1971 }
1972
1973 static int generic_hdmi_build_controls(struct hda_codec *codec)
1974 {
1975         struct hdmi_spec *spec = codec->spec;
1976         int err;
1977         int pin_idx, pcm_idx;
1978
1979
1980         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
1981                 err = generic_hdmi_build_jack(codec, pcm_idx);
1982                 if (err < 0)
1983                         return err;
1984
1985                 /* create the spdif for each pcm
1986                  * pin will be bound when monitor is connected
1987                  */
1988                 if (spec->dyn_pcm_assign)
1989                         err = snd_hda_create_dig_out_ctls(codec,
1990                                           0, spec->cvt_nids[0],
1991                                           HDA_PCM_TYPE_HDMI);
1992                 else {
1993                         struct hdmi_spec_per_pin *per_pin =
1994                                 get_pin(spec, pcm_idx);
1995                         err = snd_hda_create_dig_out_ctls(codec,
1996                                                   per_pin->pin_nid,
1997                                                   per_pin->mux_nids[0],
1998                                                   HDA_PCM_TYPE_HDMI);
1999                 }
2000                 if (err < 0)
2001                         return err;
2002                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2003
2004                 /* add control for ELD Bytes */
2005                 err = hdmi_create_eld_ctl(codec, pcm_idx,
2006                                         get_pcm_rec(spec, pcm_idx)->device);
2007                 if (err < 0)
2008                         return err;
2009         }
2010
2011         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2012                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2013
2014                 hdmi_present_sense(per_pin, 0);
2015         }
2016
2017         /* add channel maps */
2018         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2019                 struct hda_pcm *pcm;
2020
2021                 pcm = get_pcm_rec(spec, pcm_idx);
2022                 if (!pcm || !pcm->pcm)
2023                         break;
2024                 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2025                 if (err < 0)
2026                         return err;
2027         }
2028
2029         return 0;
2030 }
2031
2032 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2033 {
2034         struct hdmi_spec *spec = codec->spec;
2035         int pin_idx;
2036
2037         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2038                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2039
2040                 per_pin->codec = codec;
2041                 mutex_init(&per_pin->lock);
2042                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2043                 eld_proc_new(per_pin, pin_idx);
2044         }
2045         return 0;
2046 }
2047
2048 static int generic_hdmi_init(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 hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2055                 hda_nid_t pin_nid = per_pin->pin_nid;
2056
2057                 hdmi_init_pin(codec, pin_nid);
2058                 if (!codec_has_acomp(codec))
2059                         snd_hda_jack_detect_enable_callback(codec, pin_nid,
2060                                 codec->jackpoll_interval > 0 ?
2061                                 jack_callback : NULL);
2062         }
2063         return 0;
2064 }
2065
2066 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2067 {
2068         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2069         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2070 }
2071
2072 static void hdmi_array_free(struct hdmi_spec *spec)
2073 {
2074         snd_array_free(&spec->pins);
2075         snd_array_free(&spec->cvts);
2076 }
2077
2078 static void generic_hdmi_free(struct hda_codec *codec)
2079 {
2080         struct hdmi_spec *spec = codec->spec;
2081         int pin_idx, pcm_idx;
2082
2083         if (codec_has_acomp(codec))
2084                 snd_hdac_i915_register_notifier(NULL);
2085
2086         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2087                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2088                 cancel_delayed_work_sync(&per_pin->work);
2089                 eld_proc_free(per_pin);
2090         }
2091
2092         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2093                 if (spec->pcm_rec[pcm_idx].jack == NULL)
2094                         continue;
2095                 if (spec->dyn_pcm_assign)
2096                         snd_device_free(codec->card,
2097                                         spec->pcm_rec[pcm_idx].jack);
2098                 else
2099                         spec->pcm_rec[pcm_idx].jack = NULL;
2100         }
2101
2102         if (spec->i915_bound)
2103                 snd_hdac_i915_exit(&codec->bus->core);
2104         hdmi_array_free(spec);
2105         kfree(spec);
2106 }
2107
2108 #ifdef CONFIG_PM
2109 static int generic_hdmi_resume(struct hda_codec *codec)
2110 {
2111         struct hdmi_spec *spec = codec->spec;
2112         int pin_idx;
2113
2114         codec->patch_ops.init(codec);
2115         regcache_sync(codec->core.regmap);
2116
2117         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2118                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2119                 hdmi_present_sense(per_pin, 1);
2120         }
2121         return 0;
2122 }
2123 #endif
2124
2125 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2126         .init                   = generic_hdmi_init,
2127         .free                   = generic_hdmi_free,
2128         .build_pcms             = generic_hdmi_build_pcms,
2129         .build_controls         = generic_hdmi_build_controls,
2130         .unsol_event            = hdmi_unsol_event,
2131 #ifdef CONFIG_PM
2132         .resume                 = generic_hdmi_resume,
2133 #endif
2134 };
2135
2136 static const struct hdmi_ops generic_standard_hdmi_ops = {
2137         .pin_get_eld                            = snd_hdmi_get_eld,
2138         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2139         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2140         .setup_stream                           = hdmi_setup_stream,
2141 };
2142
2143 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2144                                              hda_nid_t nid)
2145 {
2146         struct hdmi_spec *spec = codec->spec;
2147         hda_nid_t conns[4];
2148         int nconns;
2149
2150         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2151         if (nconns == spec->num_cvts &&
2152             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2153                 return;
2154
2155         /* override pins connection list */
2156         codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2157         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2158 }
2159
2160 #define INTEL_VENDOR_NID 0x08
2161 #define INTEL_GET_VENDOR_VERB 0xf81
2162 #define INTEL_SET_VENDOR_VERB 0x781
2163 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
2164 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
2165
2166 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2167                                           bool update_tree)
2168 {
2169         unsigned int vendor_param;
2170
2171         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2172                                 INTEL_GET_VENDOR_VERB, 0);
2173         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2174                 return;
2175
2176         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2177         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2178                                 INTEL_SET_VENDOR_VERB, vendor_param);
2179         if (vendor_param == -1)
2180                 return;
2181
2182         if (update_tree)
2183                 snd_hda_codec_update_widgets(codec);
2184 }
2185
2186 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2187 {
2188         unsigned int vendor_param;
2189
2190         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2191                                 INTEL_GET_VENDOR_VERB, 0);
2192         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2193                 return;
2194
2195         /* enable DP1.2 mode */
2196         vendor_param |= INTEL_EN_DP12;
2197         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2198         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2199                                 INTEL_SET_VENDOR_VERB, vendor_param);
2200 }
2201
2202 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2203  * Otherwise you may get severe h/w communication errors.
2204  */
2205 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2206                                 unsigned int power_state)
2207 {
2208         if (power_state == AC_PWRST_D0) {
2209                 intel_haswell_enable_all_pins(codec, false);
2210                 intel_haswell_fixup_enable_dp12(codec);
2211         }
2212
2213         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2214         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2215 }
2216
2217 static void intel_pin_eld_notify(void *audio_ptr, int port)
2218 {
2219         struct hda_codec *codec = audio_ptr;
2220         int pin_nid = port + 0x04;
2221
2222         /* we assume only from port-B to port-D */
2223         if (port < 1 || port > 3)
2224                 return;
2225
2226         /* skip notification during system suspend (but not in runtime PM);
2227          * the state will be updated at resume
2228          */
2229         if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2230                 return;
2231         /* ditto during suspend/resume process itself */
2232         if (atomic_read(&(codec)->core.in_pm))
2233                 return;
2234
2235         snd_hdac_i915_set_bclk(&codec->bus->core);
2236         check_presence_and_report(codec, pin_nid);
2237 }
2238
2239 static int patch_generic_hdmi(struct hda_codec *codec)
2240 {
2241         struct hdmi_spec *spec;
2242
2243         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2244         if (spec == NULL)
2245                 return -ENOMEM;
2246
2247         spec->ops = generic_standard_hdmi_ops;
2248         mutex_init(&spec->pcm_lock);
2249         snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2250
2251         spec->chmap.ops.get_chmap = hdmi_get_chmap;
2252         spec->chmap.ops.set_chmap = hdmi_set_chmap;
2253         spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2254
2255         codec->spec = spec;
2256         hdmi_array_init(spec, 4);
2257
2258 #ifdef CONFIG_SND_HDA_I915
2259         /* Try to bind with i915 for Intel HSW+ codecs (if not done yet) */
2260         if ((codec->core.vendor_id >> 16) == 0x8086 &&
2261             is_haswell_plus(codec)) {
2262 #if 0
2263                 /* on-demand binding leads to an unbalanced refcount when
2264                  * both i915 and hda drivers are probed concurrently;
2265                  * disabled temporarily for now
2266                  */
2267                 if (!codec->bus->core.audio_component)
2268                         if (!snd_hdac_i915_init(&codec->bus->core))
2269                                 spec->i915_bound = true;
2270 #endif
2271                 /* use i915 audio component notifier for hotplug */
2272                 if (codec->bus->core.audio_component)
2273                         spec->use_acomp_notifier = true;
2274         }
2275 #endif
2276
2277         if (is_haswell_plus(codec)) {
2278                 intel_haswell_enable_all_pins(codec, true);
2279                 intel_haswell_fixup_enable_dp12(codec);
2280         }
2281
2282         /* For Valleyview/Cherryview, only the display codec is in the display
2283          * power well and can use link_power ops to request/release the power.
2284          * For Haswell/Broadwell, the controller is also in the power well and
2285          * can cover the codec power request, and so need not set this flag.
2286          * For previous platforms, there is no such power well feature.
2287          */
2288         if (is_valleyview_plus(codec) || is_skylake(codec) ||
2289                         is_broxton(codec))
2290                 codec->core.link_power_control = 1;
2291
2292         if (hdmi_parse_codec(codec) < 0) {
2293                 if (spec->i915_bound)
2294                         snd_hdac_i915_exit(&codec->bus->core);
2295                 codec->spec = NULL;
2296                 kfree(spec);
2297                 return -EINVAL;
2298         }
2299         codec->patch_ops = generic_hdmi_patch_ops;
2300         if (is_haswell_plus(codec)) {
2301                 codec->patch_ops.set_power_state = haswell_set_power_state;
2302                 codec->dp_mst = true;
2303         }
2304
2305         /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
2306         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2307                 codec->auto_runtime_pm = 1;
2308
2309         generic_hdmi_init_per_pins(codec);
2310
2311
2312         if (codec_has_acomp(codec)) {
2313                 codec->depop_delay = 0;
2314                 spec->i915_audio_ops.audio_ptr = codec;
2315                 /* intel_audio_codec_enable() or intel_audio_codec_disable()
2316                  * will call pin_eld_notify with using audio_ptr pointer
2317                  * We need make sure audio_ptr is really setup
2318                  */
2319                 wmb();
2320                 spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
2321                 snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
2322         }
2323
2324         WARN_ON(spec->dyn_pcm_assign && !codec_has_acomp(codec));
2325         return 0;
2326 }
2327
2328 /*
2329  * Shared non-generic implementations
2330  */
2331
2332 static int simple_playback_build_pcms(struct hda_codec *codec)
2333 {
2334         struct hdmi_spec *spec = codec->spec;
2335         struct hda_pcm *info;
2336         unsigned int chans;
2337         struct hda_pcm_stream *pstr;
2338         struct hdmi_spec_per_cvt *per_cvt;
2339
2340         per_cvt = get_cvt(spec, 0);
2341         chans = get_wcaps(codec, per_cvt->cvt_nid);
2342         chans = get_wcaps_channels(chans);
2343
2344         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2345         if (!info)
2346                 return -ENOMEM;
2347         spec->pcm_rec[0].pcm = info;
2348         info->pcm_type = HDA_PCM_TYPE_HDMI;
2349         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2350         *pstr = spec->pcm_playback;
2351         pstr->nid = per_cvt->cvt_nid;
2352         if (pstr->channels_max <= 2 && chans && chans <= 16)
2353                 pstr->channels_max = chans;
2354
2355         return 0;
2356 }
2357
2358 /* unsolicited event for jack sensing */
2359 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2360                                     unsigned int res)
2361 {
2362         snd_hda_jack_set_dirty_all(codec);
2363         snd_hda_jack_report_sync(codec);
2364 }
2365
2366 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2367  * as long as spec->pins[] is set correctly
2368  */
2369 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2370
2371 static int simple_playback_build_controls(struct hda_codec *codec)
2372 {
2373         struct hdmi_spec *spec = codec->spec;
2374         struct hdmi_spec_per_cvt *per_cvt;
2375         int err;
2376
2377         per_cvt = get_cvt(spec, 0);
2378         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2379                                           per_cvt->cvt_nid,
2380                                           HDA_PCM_TYPE_HDMI);
2381         if (err < 0)
2382                 return err;
2383         return simple_hdmi_build_jack(codec, 0);
2384 }
2385
2386 static int simple_playback_init(struct hda_codec *codec)
2387 {
2388         struct hdmi_spec *spec = codec->spec;
2389         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2390         hda_nid_t pin = per_pin->pin_nid;
2391
2392         snd_hda_codec_write(codec, pin, 0,
2393                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2394         /* some codecs require to unmute the pin */
2395         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2396                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2397                                     AMP_OUT_UNMUTE);
2398         snd_hda_jack_detect_enable(codec, pin);
2399         return 0;
2400 }
2401
2402 static void simple_playback_free(struct hda_codec *codec)
2403 {
2404         struct hdmi_spec *spec = codec->spec;
2405
2406         hdmi_array_free(spec);
2407         kfree(spec);
2408 }
2409
2410 /*
2411  * Nvidia specific implementations
2412  */
2413
2414 #define Nv_VERB_SET_Channel_Allocation          0xF79
2415 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2416 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2417 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2418
2419 #define nvhdmi_master_con_nid_7x        0x04
2420 #define nvhdmi_master_pin_nid_7x        0x05
2421
2422 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2423         /*front, rear, clfe, rear_surr */
2424         0x6, 0x8, 0xa, 0xc,
2425 };
2426
2427 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2428         /* set audio protect on */
2429         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2430         /* enable digital output on pin widget */
2431         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2432         {} /* terminator */
2433 };
2434
2435 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2436         /* set audio protect on */
2437         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2438         /* enable digital output on pin widget */
2439         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2440         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2441         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2442         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2443         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2444         {} /* terminator */
2445 };
2446
2447 #ifdef LIMITED_RATE_FMT_SUPPORT
2448 /* support only the safe format and rate */
2449 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2450 #define SUPPORTED_MAXBPS        16
2451 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2452 #else
2453 /* support all rates and formats */
2454 #define SUPPORTED_RATES \
2455         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2456         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2457          SNDRV_PCM_RATE_192000)
2458 #define SUPPORTED_MAXBPS        24
2459 #define SUPPORTED_FORMATS \
2460         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2461 #endif
2462
2463 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2464 {
2465         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2466         return 0;
2467 }
2468
2469 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2470 {
2471         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2472         return 0;
2473 }
2474
2475 static unsigned int channels_2_6_8[] = {
2476         2, 6, 8
2477 };
2478
2479 static unsigned int channels_2_8[] = {
2480         2, 8
2481 };
2482
2483 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2484         .count = ARRAY_SIZE(channels_2_6_8),
2485         .list = channels_2_6_8,
2486         .mask = 0,
2487 };
2488
2489 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2490         .count = ARRAY_SIZE(channels_2_8),
2491         .list = channels_2_8,
2492         .mask = 0,
2493 };
2494
2495 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2496                                     struct hda_codec *codec,
2497                                     struct snd_pcm_substream *substream)
2498 {
2499         struct hdmi_spec *spec = codec->spec;
2500         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2501
2502         switch (codec->preset->vendor_id) {
2503         case 0x10de0002:
2504         case 0x10de0003:
2505         case 0x10de0005:
2506         case 0x10de0006:
2507                 hw_constraints_channels = &hw_constraints_2_8_channels;
2508                 break;
2509         case 0x10de0007:
2510                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2511                 break;
2512         default:
2513                 break;
2514         }
2515
2516         if (hw_constraints_channels != NULL) {
2517                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2518                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2519                                 hw_constraints_channels);
2520         } else {
2521                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2522                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2523         }
2524
2525         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2526 }
2527
2528 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2529                                      struct hda_codec *codec,
2530                                      struct snd_pcm_substream *substream)
2531 {
2532         struct hdmi_spec *spec = codec->spec;
2533         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2534 }
2535
2536 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2537                                        struct hda_codec *codec,
2538                                        unsigned int stream_tag,
2539                                        unsigned int format,
2540                                        struct snd_pcm_substream *substream)
2541 {
2542         struct hdmi_spec *spec = codec->spec;
2543         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2544                                              stream_tag, format, substream);
2545 }
2546
2547 static const struct hda_pcm_stream simple_pcm_playback = {
2548         .substreams = 1,
2549         .channels_min = 2,
2550         .channels_max = 2,
2551         .ops = {
2552                 .open = simple_playback_pcm_open,
2553                 .close = simple_playback_pcm_close,
2554                 .prepare = simple_playback_pcm_prepare
2555         },
2556 };
2557
2558 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2559         .build_controls = simple_playback_build_controls,
2560         .build_pcms = simple_playback_build_pcms,
2561         .init = simple_playback_init,
2562         .free = simple_playback_free,
2563         .unsol_event = simple_hdmi_unsol_event,
2564 };
2565
2566 static int patch_simple_hdmi(struct hda_codec *codec,
2567                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2568 {
2569         struct hdmi_spec *spec;
2570         struct hdmi_spec_per_cvt *per_cvt;
2571         struct hdmi_spec_per_pin *per_pin;
2572
2573         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2574         if (!spec)
2575                 return -ENOMEM;
2576
2577         codec->spec = spec;
2578         hdmi_array_init(spec, 1);
2579
2580         spec->multiout.num_dacs = 0;  /* no analog */
2581         spec->multiout.max_channels = 2;
2582         spec->multiout.dig_out_nid = cvt_nid;
2583         spec->num_cvts = 1;
2584         spec->num_pins = 1;
2585         per_pin = snd_array_new(&spec->pins);
2586         per_cvt = snd_array_new(&spec->cvts);
2587         if (!per_pin || !per_cvt) {
2588                 simple_playback_free(codec);
2589                 return -ENOMEM;
2590         }
2591         per_cvt->cvt_nid = cvt_nid;
2592         per_pin->pin_nid = pin_nid;
2593         spec->pcm_playback = simple_pcm_playback;
2594
2595         codec->patch_ops = simple_hdmi_patch_ops;
2596
2597         return 0;
2598 }
2599
2600 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2601                                                     int channels)
2602 {
2603         unsigned int chanmask;
2604         int chan = channels ? (channels - 1) : 1;
2605
2606         switch (channels) {
2607         default:
2608         case 0:
2609         case 2:
2610                 chanmask = 0x00;
2611                 break;
2612         case 4:
2613                 chanmask = 0x08;
2614                 break;
2615         case 6:
2616                 chanmask = 0x0b;
2617                 break;
2618         case 8:
2619                 chanmask = 0x13;
2620                 break;
2621         }
2622
2623         /* Set the audio infoframe channel allocation and checksum fields.  The
2624          * channel count is computed implicitly by the hardware. */
2625         snd_hda_codec_write(codec, 0x1, 0,
2626                         Nv_VERB_SET_Channel_Allocation, chanmask);
2627
2628         snd_hda_codec_write(codec, 0x1, 0,
2629                         Nv_VERB_SET_Info_Frame_Checksum,
2630                         (0x71 - chan - chanmask));
2631 }
2632
2633 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2634                                    struct hda_codec *codec,
2635                                    struct snd_pcm_substream *substream)
2636 {
2637         struct hdmi_spec *spec = codec->spec;
2638         int i;
2639
2640         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2641                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2642         for (i = 0; i < 4; i++) {
2643                 /* set the stream id */
2644                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2645                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2646                 /* set the stream format */
2647                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2648                                 AC_VERB_SET_STREAM_FORMAT, 0);
2649         }
2650
2651         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2652          * streams are disabled. */
2653         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2654
2655         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2656 }
2657
2658 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2659                                      struct hda_codec *codec,
2660                                      unsigned int stream_tag,
2661                                      unsigned int format,
2662                                      struct snd_pcm_substream *substream)
2663 {
2664         int chs;
2665         unsigned int dataDCC2, channel_id;
2666         int i;
2667         struct hdmi_spec *spec = codec->spec;
2668         struct hda_spdif_out *spdif;
2669         struct hdmi_spec_per_cvt *per_cvt;
2670
2671         mutex_lock(&codec->spdif_mutex);
2672         per_cvt = get_cvt(spec, 0);
2673         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2674
2675         chs = substream->runtime->channels;
2676
2677         dataDCC2 = 0x2;
2678
2679         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2680         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2681                 snd_hda_codec_write(codec,
2682                                 nvhdmi_master_con_nid_7x,
2683                                 0,
2684                                 AC_VERB_SET_DIGI_CONVERT_1,
2685                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2686
2687         /* set the stream id */
2688         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2689                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2690
2691         /* set the stream format */
2692         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2693                         AC_VERB_SET_STREAM_FORMAT, format);
2694
2695         /* turn on again (if needed) */
2696         /* enable and set the channel status audio/data flag */
2697         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2698                 snd_hda_codec_write(codec,
2699                                 nvhdmi_master_con_nid_7x,
2700                                 0,
2701                                 AC_VERB_SET_DIGI_CONVERT_1,
2702                                 spdif->ctls & 0xff);
2703                 snd_hda_codec_write(codec,
2704                                 nvhdmi_master_con_nid_7x,
2705                                 0,
2706                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2707         }
2708
2709         for (i = 0; i < 4; i++) {
2710                 if (chs == 2)
2711                         channel_id = 0;
2712                 else
2713                         channel_id = i * 2;
2714
2715                 /* turn off SPDIF once;
2716                  *otherwise the IEC958 bits won't be updated
2717                  */
2718                 if (codec->spdif_status_reset &&
2719                 (spdif->ctls & AC_DIG1_ENABLE))
2720                         snd_hda_codec_write(codec,
2721                                 nvhdmi_con_nids_7x[i],
2722                                 0,
2723                                 AC_VERB_SET_DIGI_CONVERT_1,
2724                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2725                 /* set the stream id */
2726                 snd_hda_codec_write(codec,
2727                                 nvhdmi_con_nids_7x[i],
2728                                 0,
2729                                 AC_VERB_SET_CHANNEL_STREAMID,
2730                                 (stream_tag << 4) | channel_id);
2731                 /* set the stream format */
2732                 snd_hda_codec_write(codec,
2733                                 nvhdmi_con_nids_7x[i],
2734                                 0,
2735                                 AC_VERB_SET_STREAM_FORMAT,
2736                                 format);
2737                 /* turn on again (if needed) */
2738                 /* enable and set the channel status audio/data flag */
2739                 if (codec->spdif_status_reset &&
2740                 (spdif->ctls & AC_DIG1_ENABLE)) {
2741                         snd_hda_codec_write(codec,
2742                                         nvhdmi_con_nids_7x[i],
2743                                         0,
2744                                         AC_VERB_SET_DIGI_CONVERT_1,
2745                                         spdif->ctls & 0xff);
2746                         snd_hda_codec_write(codec,
2747                                         nvhdmi_con_nids_7x[i],
2748                                         0,
2749                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2750                 }
2751         }
2752
2753         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2754
2755         mutex_unlock(&codec->spdif_mutex);
2756         return 0;
2757 }
2758
2759 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2760         .substreams = 1,
2761         .channels_min = 2,
2762         .channels_max = 8,
2763         .nid = nvhdmi_master_con_nid_7x,
2764         .rates = SUPPORTED_RATES,
2765         .maxbps = SUPPORTED_MAXBPS,
2766         .formats = SUPPORTED_FORMATS,
2767         .ops = {
2768                 .open = simple_playback_pcm_open,
2769                 .close = nvhdmi_8ch_7x_pcm_close,
2770                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2771         },
2772 };
2773
2774 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2775 {
2776         struct hdmi_spec *spec;
2777         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2778                                     nvhdmi_master_pin_nid_7x);
2779         if (err < 0)
2780                 return err;
2781
2782         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2783         /* override the PCM rates, etc, as the codec doesn't give full list */
2784         spec = codec->spec;
2785         spec->pcm_playback.rates = SUPPORTED_RATES;
2786         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2787         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2788         return 0;
2789 }
2790
2791 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2792 {
2793         struct hdmi_spec *spec = codec->spec;
2794         int err = simple_playback_build_pcms(codec);
2795         if (!err) {
2796                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2797                 info->own_chmap = true;
2798         }
2799         return err;
2800 }
2801
2802 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2803 {
2804         struct hdmi_spec *spec = codec->spec;
2805         struct hda_pcm *info;
2806         struct snd_pcm_chmap *chmap;
2807         int err;
2808
2809         err = simple_playback_build_controls(codec);
2810         if (err < 0)
2811                 return err;
2812
2813         /* add channel maps */
2814         info = get_pcm_rec(spec, 0);
2815         err = snd_pcm_add_chmap_ctls(info->pcm,
2816                                      SNDRV_PCM_STREAM_PLAYBACK,
2817                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2818         if (err < 0)
2819                 return err;
2820         switch (codec->preset->vendor_id) {
2821         case 0x10de0002:
2822         case 0x10de0003:
2823         case 0x10de0005:
2824         case 0x10de0006:
2825                 chmap->channel_mask = (1U << 2) | (1U << 8);
2826                 break;
2827         case 0x10de0007:
2828                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2829         }
2830         return 0;
2831 }
2832
2833 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2834 {
2835         struct hdmi_spec *spec;
2836         int err = patch_nvhdmi_2ch(codec);
2837         if (err < 0)
2838                 return err;
2839         spec = codec->spec;
2840         spec->multiout.max_channels = 8;
2841         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2842         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2843         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2844         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2845
2846         /* Initialize the audio infoframe channel mask and checksum to something
2847          * valid */
2848         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2849
2850         return 0;
2851 }
2852
2853 /*
2854  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2855  * - 0x10de0015
2856  * - 0x10de0040
2857  */
2858 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
2859                 struct hdac_cea_channel_speaker_allocation *cap, int channels)
2860 {
2861         if (cap->ca_index == 0x00 && channels == 2)
2862                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2863
2864         /* If the speaker allocation matches the channel count, it is OK. */
2865         if (cap->channels != channels)
2866                 return -1;
2867
2868         /* all channels are remappable freely */
2869         return SNDRV_CTL_TLVT_CHMAP_VAR;
2870 }
2871
2872 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
2873                 int ca, int chs, unsigned char *map)
2874 {
2875         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2876                 return -EINVAL;
2877
2878         return 0;
2879 }
2880
2881 static int patch_nvhdmi(struct hda_codec *codec)
2882 {
2883         struct hdmi_spec *spec;
2884         int err;
2885
2886         err = patch_generic_hdmi(codec);
2887         if (err)
2888                 return err;
2889
2890         spec = codec->spec;
2891         spec->dyn_pin_out = true;
2892
2893         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
2894                 nvhdmi_chmap_cea_alloc_validate_get_type;
2895         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
2896
2897         return 0;
2898 }
2899
2900 /*
2901  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
2902  * accessed using vendor-defined verbs. These registers can be used for
2903  * interoperability between the HDA and HDMI drivers.
2904  */
2905
2906 /* Audio Function Group node */
2907 #define NVIDIA_AFG_NID 0x01
2908
2909 /*
2910  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
2911  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
2912  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
2913  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
2914  * additional bit (at position 30) to signal the validity of the format.
2915  *
2916  * | 31      | 30    | 29  16 | 15   0 |
2917  * +---------+-------+--------+--------+
2918  * | TRIGGER | VALID | UNUSED | FORMAT |
2919  * +-----------------------------------|
2920  *
2921  * Note that for the trigger bit to take effect it needs to change value
2922  * (i.e. it needs to be toggled).
2923  */
2924 #define NVIDIA_GET_SCRATCH0             0xfa6
2925 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
2926 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
2927 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
2928 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
2929 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
2930 #define NVIDIA_SCRATCH_VALID   (1 << 6)
2931
2932 #define NVIDIA_GET_SCRATCH1             0xfab
2933 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
2934 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
2935 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
2936 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
2937
2938 /*
2939  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
2940  * the format is invalidated so that the HDMI codec can be disabled.
2941  */
2942 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
2943 {
2944         unsigned int value;
2945
2946         /* bits [31:30] contain the trigger and valid bits */
2947         value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
2948                                    NVIDIA_GET_SCRATCH0, 0);
2949         value = (value >> 24) & 0xff;
2950
2951         /* bits [15:0] are used to store the HDA format */
2952         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2953                             NVIDIA_SET_SCRATCH0_BYTE0,
2954                             (format >> 0) & 0xff);
2955         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2956                             NVIDIA_SET_SCRATCH0_BYTE1,
2957                             (format >> 8) & 0xff);
2958
2959         /* bits [16:24] are unused */
2960         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2961                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
2962
2963         /*
2964          * Bit 30 signals that the data is valid and hence that HDMI audio can
2965          * be enabled.
2966          */
2967         if (format == 0)
2968                 value &= ~NVIDIA_SCRATCH_VALID;
2969         else
2970                 value |= NVIDIA_SCRATCH_VALID;
2971
2972         /*
2973          * Whenever the trigger bit is toggled, an interrupt is raised in the
2974          * HDMI codec. The HDMI driver will use that as trigger to update its
2975          * configuration.
2976          */
2977         value ^= NVIDIA_SCRATCH_TRIGGER;
2978
2979         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2980                             NVIDIA_SET_SCRATCH0_BYTE3, value);
2981 }
2982
2983 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
2984                                   struct hda_codec *codec,
2985                                   unsigned int stream_tag,
2986                                   unsigned int format,
2987                                   struct snd_pcm_substream *substream)
2988 {
2989         int err;
2990
2991         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
2992                                                 format, substream);
2993         if (err < 0)
2994                 return err;
2995
2996         /* notify the HDMI codec of the format change */
2997         tegra_hdmi_set_format(codec, format);
2998
2999         return 0;
3000 }
3001
3002 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3003                                   struct hda_codec *codec,
3004                                   struct snd_pcm_substream *substream)
3005 {
3006         /* invalidate the format in the HDMI codec */
3007         tegra_hdmi_set_format(codec, 0);
3008
3009         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3010 }
3011
3012 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3013 {
3014         struct hdmi_spec *spec = codec->spec;
3015         unsigned int i;
3016
3017         for (i = 0; i < spec->num_pins; i++) {
3018                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3019
3020                 if (pcm->pcm_type == type)
3021                         return pcm;
3022         }
3023
3024         return NULL;
3025 }
3026
3027 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3028 {
3029         struct hda_pcm_stream *stream;
3030         struct hda_pcm *pcm;
3031         int err;
3032
3033         err = generic_hdmi_build_pcms(codec);
3034         if (err < 0)
3035                 return err;
3036
3037         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3038         if (!pcm)
3039                 return -ENODEV;
3040
3041         /*
3042          * Override ->prepare() and ->cleanup() operations to notify the HDMI
3043          * codec about format changes.
3044          */
3045         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3046         stream->ops.prepare = tegra_hdmi_pcm_prepare;
3047         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3048
3049         return 0;
3050 }
3051
3052 static int patch_tegra_hdmi(struct hda_codec *codec)
3053 {
3054         int err;
3055
3056         err = patch_generic_hdmi(codec);
3057         if (err)
3058                 return err;
3059
3060         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3061
3062         return 0;
3063 }
3064
3065 /*
3066  * ATI/AMD-specific implementations
3067  */
3068
3069 #define is_amdhdmi_rev3_or_later(codec) \
3070         ((codec)->core.vendor_id == 0x1002aa01 && \
3071          ((codec)->core.revision_id & 0xff00) >= 0x0300)
3072 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3073
3074 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3075 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3076 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
3077 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
3078 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
3079 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
3080 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
3081 #define ATI_VERB_SET_HBR_CONTROL        0x77c
3082 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
3083 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
3084 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
3085 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
3086 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
3087 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3088 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
3089 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
3090 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
3091 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
3092 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
3093 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
3094 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
3095 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
3096 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
3097 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
3098 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
3099
3100 /* AMD specific HDA cvt verbs */
3101 #define ATI_VERB_SET_RAMP_RATE          0x770
3102 #define ATI_VERB_GET_RAMP_RATE          0xf70
3103
3104 #define ATI_OUT_ENABLE 0x1
3105
3106 #define ATI_MULTICHANNEL_MODE_PAIRED    0
3107 #define ATI_MULTICHANNEL_MODE_SINGLE    1
3108
3109 #define ATI_HBR_CAPABLE 0x01
3110 #define ATI_HBR_ENABLE 0x10
3111
3112 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3113                            unsigned char *buf, int *eld_size)
3114 {
3115         /* call hda_eld.c ATI/AMD-specific function */
3116         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3117                                     is_amdhdmi_rev3_or_later(codec));
3118 }
3119
3120 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3121                                         int active_channels, int conn_type)
3122 {
3123         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3124 }
3125
3126 static int atihdmi_paired_swap_fc_lfe(int pos)
3127 {
3128         /*
3129          * ATI/AMD have automatic FC/LFE swap built-in
3130          * when in pairwise mapping mode.
3131          */
3132
3133         switch (pos) {
3134                 /* see channel_allocations[].speakers[] */
3135                 case 2: return 3;
3136                 case 3: return 2;
3137                 default: break;
3138         }
3139
3140         return pos;
3141 }
3142
3143 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
3144                         int ca, int chs, unsigned char *map)
3145 {
3146         struct hdac_cea_channel_speaker_allocation *cap;
3147         int i, j;
3148
3149         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3150
3151         cap = snd_hdac_get_ch_alloc_from_ca(ca);
3152         for (i = 0; i < chs; ++i) {
3153                 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
3154                 bool ok = false;
3155                 bool companion_ok = false;
3156
3157                 if (!mask)
3158                         continue;
3159
3160                 for (j = 0 + i % 2; j < 8; j += 2) {
3161                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3162                         if (cap->speakers[chan_idx] == mask) {
3163                                 /* channel is in a supported position */
3164                                 ok = true;
3165
3166                                 if (i % 2 == 0 && i + 1 < chs) {
3167                                         /* even channel, check the odd companion */
3168                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3169                                         int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
3170                                         int comp_mask_act = cap->speakers[comp_chan_idx];
3171
3172                                         if (comp_mask_req == comp_mask_act)
3173                                                 companion_ok = true;
3174                                         else
3175                                                 return -EINVAL;
3176                                 }
3177                                 break;
3178                         }
3179                 }
3180
3181                 if (!ok)
3182                         return -EINVAL;
3183
3184                 if (companion_ok)
3185                         i++; /* companion channel already checked */
3186         }
3187
3188         return 0;
3189 }
3190
3191 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
3192                 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
3193 {
3194         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3195         int verb;
3196         int ati_channel_setup = 0;
3197
3198         if (hdmi_slot > 7)
3199                 return -EINVAL;
3200
3201         if (!has_amd_full_remap_support(codec)) {
3202                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3203
3204                 /* In case this is an odd slot but without stream channel, do not
3205                  * disable the slot since the corresponding even slot could have a
3206                  * channel. In case neither have a channel, the slot pair will be
3207                  * disabled when this function is called for the even slot. */
3208                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3209                         return 0;
3210
3211                 hdmi_slot -= hdmi_slot % 2;
3212
3213                 if (stream_channel != 0xf)
3214                         stream_channel -= stream_channel % 2;
3215         }
3216
3217         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3218
3219         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3220
3221         if (stream_channel != 0xf)
3222                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3223
3224         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3225 }
3226
3227 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
3228                                 hda_nid_t pin_nid, int asp_slot)
3229 {
3230         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3231         bool was_odd = false;
3232         int ati_asp_slot = asp_slot;
3233         int verb;
3234         int ati_channel_setup;
3235
3236         if (asp_slot > 7)
3237                 return -EINVAL;
3238
3239         if (!has_amd_full_remap_support(codec)) {
3240                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3241                 if (ati_asp_slot % 2 != 0) {
3242                         ati_asp_slot -= 1;
3243                         was_odd = true;
3244                 }
3245         }
3246
3247         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3248
3249         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3250
3251         if (!(ati_channel_setup & ATI_OUT_ENABLE))
3252                 return 0xf;
3253
3254         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3255 }
3256
3257 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
3258                 struct hdac_chmap *chmap,
3259                 struct hdac_cea_channel_speaker_allocation *cap,
3260                 int channels)
3261 {
3262         int c;
3263
3264         /*
3265          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3266          * we need to take that into account (a single channel may take 2
3267          * channel slots if we need to carry a silent channel next to it).
3268          * On Rev3+ AMD codecs this function is not used.
3269          */
3270         int chanpairs = 0;
3271
3272         /* We only produce even-numbered channel count TLVs */
3273         if ((channels % 2) != 0)
3274                 return -1;
3275
3276         for (c = 0; c < 7; c += 2) {
3277                 if (cap->speakers[c] || cap->speakers[c+1])
3278                         chanpairs++;
3279         }
3280
3281         if (chanpairs * 2 != channels)
3282                 return -1;
3283
3284         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3285 }
3286
3287 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
3288                 struct hdac_cea_channel_speaker_allocation *cap,
3289                 unsigned int *chmap, int channels)
3290 {
3291         /* produce paired maps for pre-rev3 ATI/AMD codecs */
3292         int count = 0;
3293         int c;
3294
3295         for (c = 7; c >= 0; c--) {
3296                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3297                 int spk = cap->speakers[chan];
3298                 if (!spk) {
3299                         /* add N/A channel if the companion channel is occupied */
3300                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3301                                 chmap[count++] = SNDRV_CHMAP_NA;
3302
3303                         continue;
3304                 }
3305
3306                 chmap[count++] = snd_hdac_spk_to_chmap(spk);
3307         }
3308
3309         WARN_ON(count != channels);
3310 }
3311
3312 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3313                                  bool hbr)
3314 {
3315         int hbr_ctl, hbr_ctl_new;
3316
3317         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3318         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3319                 if (hbr)
3320                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3321                 else
3322                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3323
3324                 codec_dbg(codec,
3325                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3326                                 pin_nid,
3327                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
3328                                 hbr_ctl_new);
3329
3330                 if (hbr_ctl != hbr_ctl_new)
3331                         snd_hda_codec_write(codec, pin_nid, 0,
3332                                                 ATI_VERB_SET_HBR_CONTROL,
3333                                                 hbr_ctl_new);
3334
3335         } else if (hbr)
3336                 return -EINVAL;
3337
3338         return 0;
3339 }
3340
3341 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3342                                 hda_nid_t pin_nid, u32 stream_tag, int format)
3343 {
3344
3345         if (is_amdhdmi_rev3_or_later(codec)) {
3346                 int ramp_rate = 180; /* default as per AMD spec */
3347                 /* disable ramp-up/down for non-pcm as per AMD spec */
3348                 if (format & AC_FMT_TYPE_NON_PCM)
3349                         ramp_rate = 0;
3350
3351                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3352         }
3353
3354         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3355 }
3356
3357
3358 static int atihdmi_init(struct hda_codec *codec)
3359 {
3360         struct hdmi_spec *spec = codec->spec;
3361         int pin_idx, err;
3362
3363         err = generic_hdmi_init(codec);
3364
3365         if (err)
3366                 return err;
3367
3368         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3369                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3370
3371                 /* make sure downmix information in infoframe is zero */
3372                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3373
3374                 /* enable channel-wise remap mode if supported */
3375                 if (has_amd_full_remap_support(codec))
3376                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3377                                             ATI_VERB_SET_MULTICHANNEL_MODE,
3378                                             ATI_MULTICHANNEL_MODE_SINGLE);
3379         }
3380
3381         return 0;
3382 }
3383
3384 static int patch_atihdmi(struct hda_codec *codec)
3385 {
3386         struct hdmi_spec *spec;
3387         struct hdmi_spec_per_cvt *per_cvt;
3388         int err, cvt_idx;
3389
3390         err = patch_generic_hdmi(codec);
3391
3392         if (err)
3393                 return err;
3394
3395         codec->patch_ops.init = atihdmi_init;
3396
3397         spec = codec->spec;
3398
3399         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3400         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3401         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3402         spec->ops.setup_stream = atihdmi_setup_stream;
3403
3404         spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3405         spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3406
3407         if (!has_amd_full_remap_support(codec)) {
3408                 /* override to ATI/AMD-specific versions with pairwise mapping */
3409                 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3410                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
3411                 spec->chmap.ops.cea_alloc_to_tlv_chmap =
3412                                 atihdmi_paired_cea_alloc_to_tlv_chmap;
3413                 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
3414         }
3415
3416         /* ATI/AMD converters do not advertise all of their capabilities */
3417         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3418                 per_cvt = get_cvt(spec, cvt_idx);
3419                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3420                 per_cvt->rates |= SUPPORTED_RATES;
3421                 per_cvt->formats |= SUPPORTED_FORMATS;
3422                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3423         }
3424
3425         spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
3426
3427         return 0;
3428 }
3429
3430 /* VIA HDMI Implementation */
3431 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
3432 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
3433
3434 static int patch_via_hdmi(struct hda_codec *codec)
3435 {
3436         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3437 }
3438
3439 /*
3440  * patch entries
3441  */
3442 static const struct hda_device_id snd_hda_id_hdmi[] = {
3443 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
3444 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
3445 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
3446 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
3447 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
3448 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
3449 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
3450 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3451 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3452 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3453 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3454 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
3455 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi),
3456 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi),
3457 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi),
3458 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi),
3459 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi),
3460 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi),
3461 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi),
3462 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi),
3463 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi),
3464 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi),
3465 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi),
3466 /* 17 is known to be absent */
3467 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi),
3468 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi),
3469 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi),
3470 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi),
3471 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi),
3472 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
3473 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
3474 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
3475 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
3476 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
3477 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
3478 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
3479 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
3480 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
3481 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
3482 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
3483 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
3484 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
3485 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
3486 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
3487 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
3488 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",   patch_nvhdmi),
3489 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",   patch_nvhdmi),
3490 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
3491 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
3492 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
3493 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
3494 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
3495 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_generic_hdmi),
3496 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
3497 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
3498 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
3499 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_generic_hdmi),
3500 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_generic_hdmi),
3501 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_generic_hdmi),
3502 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_generic_hdmi),
3503 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_generic_hdmi),
3504 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_generic_hdmi),
3505 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_generic_hdmi),
3506 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_generic_hdmi),
3507 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
3508 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_generic_hdmi),
3509 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_generic_hdmi),
3510 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
3511 /* special ID for generic HDMI */
3512 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
3513 {} /* terminator */
3514 };
3515 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
3516
3517 MODULE_LICENSE("GPL");
3518 MODULE_DESCRIPTION("HDMI HD-audio codec");
3519 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3520 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3521 MODULE_ALIAS("snd-hda-codec-atihdmi");
3522
3523 static struct hda_codec_driver hdmi_driver = {
3524         .id = snd_hda_id_hdmi,
3525 };
3526
3527 module_hda_codec_driver(hdmi_driver);