Merge tag 'arm-dt-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-2.6-microblaze.git] / sound / pci / hda / patch_hdmi.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *
4  *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
5  *
6  *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
7  *  Copyright (c) 2006 ATI Technologies Inc.
8  *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
9  *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
10  *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
11  *
12  *  Authors:
13  *                      Wu Fengguang <wfg@linux.intel.com>
14  *
15  *  Maintained by:
16  *                      Wu Fengguang <wfg@linux.intel.com>
17  */
18
19 #include <linux/init.h>
20 #include <linux/delay.h>
21 #include <linux/pci.h>
22 #include <linux/slab.h>
23 #include <linux/module.h>
24 #include <linux/pm_runtime.h>
25 #include <sound/core.h>
26 #include <sound/jack.h>
27 #include <sound/asoundef.h>
28 #include <sound/tlv.h>
29 #include <sound/hdaudio.h>
30 #include <sound/hda_i915.h>
31 #include <sound/hda_chmap.h>
32 #include <sound/hda_codec.h>
33 #include "hda_local.h"
34 #include "hda_jack.h"
35 #include "hda_controller.h"
36
37 static bool static_hdmi_pcm;
38 module_param(static_hdmi_pcm, bool, 0644);
39 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
40
41 struct hdmi_spec_per_cvt {
42         hda_nid_t cvt_nid;
43         int assigned;
44         unsigned int channels_min;
45         unsigned int channels_max;
46         u32 rates;
47         u64 formats;
48         unsigned int maxbps;
49 };
50
51 /* max. connections to a widget */
52 #define HDA_MAX_CONNECTIONS     32
53
54 struct hdmi_spec_per_pin {
55         hda_nid_t pin_nid;
56         int dev_id;
57         /* pin idx, different device entries on the same pin use the same idx */
58         int pin_nid_idx;
59         int num_mux_nids;
60         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
61         int mux_idx;
62         hda_nid_t cvt_nid;
63
64         struct hda_codec *codec;
65         struct hdmi_eld sink_eld;
66         struct mutex lock;
67         struct delayed_work work;
68         struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
69         int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
70         int repoll_count;
71         bool setup; /* the stream has been set up by prepare callback */
72         int channels; /* current number of channels */
73         bool non_pcm;
74         bool chmap_set;         /* channel-map override by ALSA API? */
75         unsigned char chmap[8]; /* ALSA API channel-map */
76 #ifdef CONFIG_SND_PROC_FS
77         struct snd_info_entry *proc_entry;
78 #endif
79 };
80
81 /* operations used by generic code that can be overridden by patches */
82 struct hdmi_ops {
83         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
84                            int dev_id, unsigned char *buf, int *eld_size);
85
86         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
87                                     int dev_id,
88                                     int ca, int active_channels, int conn_type);
89
90         /* enable/disable HBR (HD passthrough) */
91         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid,
92                              int dev_id, bool hbr);
93
94         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
95                             hda_nid_t pin_nid, int dev_id, u32 stream_tag,
96                             int format);
97
98         void (*pin_cvt_fixup)(struct hda_codec *codec,
99                               struct hdmi_spec_per_pin *per_pin,
100                               hda_nid_t cvt_nid);
101 };
102
103 struct hdmi_pcm {
104         struct hda_pcm *pcm;
105         struct snd_jack *jack;
106         struct snd_kcontrol *eld_ctl;
107 };
108
109 struct hdmi_spec {
110         struct hda_codec *codec;
111         int num_cvts;
112         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
113         hda_nid_t cvt_nids[4]; /* only for haswell fix */
114
115         /*
116          * num_pins is the number of virtual pins
117          * for example, there are 3 pins, and each pin
118          * has 4 device entries, then the num_pins is 12
119          */
120         int num_pins;
121         /*
122          * num_nids is the number of real pins
123          * In the above example, num_nids is 3
124          */
125         int num_nids;
126         /*
127          * dev_num is the number of device entries
128          * on each pin.
129          * In the above example, dev_num is 4
130          */
131         int dev_num;
132         struct snd_array pins; /* struct hdmi_spec_per_pin */
133         struct hdmi_pcm pcm_rec[16];
134         struct mutex pcm_lock;
135         struct mutex bind_lock; /* for audio component binding */
136         /* pcm_bitmap means which pcms have been assigned to pins*/
137         unsigned long pcm_bitmap;
138         int pcm_used;   /* counter of pcm_rec[] */
139         /* bitmap shows whether the pcm is opened in user space
140          * bit 0 means the first playback PCM (PCM3);
141          * bit 1 means the second playback PCM, and so on.
142          */
143         unsigned long pcm_in_use;
144
145         struct hdmi_eld temp_eld;
146         struct hdmi_ops ops;
147
148         bool dyn_pin_out;
149         bool dyn_pcm_assign;
150         bool intel_hsw_fixup;   /* apply Intel platform-specific fixups */
151         /*
152          * Non-generic VIA/NVIDIA specific
153          */
154         struct hda_multi_out multiout;
155         struct hda_pcm_stream pcm_playback;
156
157         bool use_acomp_notifier; /* use eld_notify callback for hotplug */
158         bool acomp_registered; /* audio component registered in this driver */
159         struct drm_audio_component_audio_ops drm_audio_ops;
160         int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */
161
162         struct hdac_chmap chmap;
163         hda_nid_t vendor_nid;
164         const int *port_map;
165         int port_num;
166 };
167
168 #ifdef CONFIG_SND_HDA_COMPONENT
169 static inline bool codec_has_acomp(struct hda_codec *codec)
170 {
171         struct hdmi_spec *spec = codec->spec;
172         return spec->use_acomp_notifier;
173 }
174 #else
175 #define codec_has_acomp(codec)  false
176 #endif
177
178 struct hdmi_audio_infoframe {
179         u8 type; /* 0x84 */
180         u8 ver;  /* 0x01 */
181         u8 len;  /* 0x0a */
182
183         u8 checksum;
184
185         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
186         u8 SS01_SF24;
187         u8 CXT04;
188         u8 CA;
189         u8 LFEPBL01_LSV36_DM_INH7;
190 };
191
192 struct dp_audio_infoframe {
193         u8 type; /* 0x84 */
194         u8 len;  /* 0x1b */
195         u8 ver;  /* 0x11 << 2 */
196
197         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
198         u8 SS01_SF24;
199         u8 CXT04;
200         u8 CA;
201         u8 LFEPBL01_LSV36_DM_INH7;
202 };
203
204 union audio_infoframe {
205         struct hdmi_audio_infoframe hdmi;
206         struct dp_audio_infoframe dp;
207         u8 bytes[0];
208 };
209
210 /*
211  * HDMI routines
212  */
213
214 #define get_pin(spec, idx) \
215         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
216 #define get_cvt(spec, idx) \
217         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
218 /* obtain hdmi_pcm object assigned to idx */
219 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
220 /* obtain hda_pcm object assigned to idx */
221 #define get_pcm_rec(spec, idx)  (get_hdmi_pcm(spec, idx)->pcm)
222
223 static int pin_id_to_pin_index(struct hda_codec *codec,
224                                hda_nid_t pin_nid, int dev_id)
225 {
226         struct hdmi_spec *spec = codec->spec;
227         int pin_idx;
228         struct hdmi_spec_per_pin *per_pin;
229
230         /*
231          * (dev_id == -1) means it is NON-MST pin
232          * return the first virtual pin on this port
233          */
234         if (dev_id == -1)
235                 dev_id = 0;
236
237         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
238                 per_pin = get_pin(spec, pin_idx);
239                 if ((per_pin->pin_nid == pin_nid) &&
240                         (per_pin->dev_id == dev_id))
241                         return pin_idx;
242         }
243
244         codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
245         return -EINVAL;
246 }
247
248 static int hinfo_to_pcm_index(struct hda_codec *codec,
249                         struct hda_pcm_stream *hinfo)
250 {
251         struct hdmi_spec *spec = codec->spec;
252         int pcm_idx;
253
254         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
255                 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
256                         return pcm_idx;
257
258         codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
259         return -EINVAL;
260 }
261
262 static int hinfo_to_pin_index(struct hda_codec *codec,
263                               struct hda_pcm_stream *hinfo)
264 {
265         struct hdmi_spec *spec = codec->spec;
266         struct hdmi_spec_per_pin *per_pin;
267         int pin_idx;
268
269         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
270                 per_pin = get_pin(spec, pin_idx);
271                 if (per_pin->pcm &&
272                         per_pin->pcm->pcm->stream == hinfo)
273                         return pin_idx;
274         }
275
276         codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
277         return -EINVAL;
278 }
279
280 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
281                                                 int pcm_idx)
282 {
283         int i;
284         struct hdmi_spec_per_pin *per_pin;
285
286         for (i = 0; i < spec->num_pins; i++) {
287                 per_pin = get_pin(spec, i);
288                 if (per_pin->pcm_idx == pcm_idx)
289                         return per_pin;
290         }
291         return NULL;
292 }
293
294 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
295 {
296         struct hdmi_spec *spec = codec->spec;
297         int cvt_idx;
298
299         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
300                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
301                         return cvt_idx;
302
303         codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
304         return -EINVAL;
305 }
306
307 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
308                         struct snd_ctl_elem_info *uinfo)
309 {
310         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
311         struct hdmi_spec *spec = codec->spec;
312         struct hdmi_spec_per_pin *per_pin;
313         struct hdmi_eld *eld;
314         int pcm_idx;
315
316         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
317
318         pcm_idx = kcontrol->private_value;
319         mutex_lock(&spec->pcm_lock);
320         per_pin = pcm_idx_to_pin(spec, pcm_idx);
321         if (!per_pin) {
322                 /* no pin is bound to the pcm */
323                 uinfo->count = 0;
324                 goto unlock;
325         }
326         eld = &per_pin->sink_eld;
327         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
328
329  unlock:
330         mutex_unlock(&spec->pcm_lock);
331         return 0;
332 }
333
334 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
335                         struct snd_ctl_elem_value *ucontrol)
336 {
337         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
338         struct hdmi_spec *spec = codec->spec;
339         struct hdmi_spec_per_pin *per_pin;
340         struct hdmi_eld *eld;
341         int pcm_idx;
342         int err = 0;
343
344         pcm_idx = kcontrol->private_value;
345         mutex_lock(&spec->pcm_lock);
346         per_pin = pcm_idx_to_pin(spec, pcm_idx);
347         if (!per_pin) {
348                 /* no pin is bound to the pcm */
349                 memset(ucontrol->value.bytes.data, 0,
350                        ARRAY_SIZE(ucontrol->value.bytes.data));
351                 goto unlock;
352         }
353
354         eld = &per_pin->sink_eld;
355         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
356             eld->eld_size > ELD_MAX_SIZE) {
357                 snd_BUG();
358                 err = -EINVAL;
359                 goto unlock;
360         }
361
362         memset(ucontrol->value.bytes.data, 0,
363                ARRAY_SIZE(ucontrol->value.bytes.data));
364         if (eld->eld_valid)
365                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
366                        eld->eld_size);
367
368  unlock:
369         mutex_unlock(&spec->pcm_lock);
370         return err;
371 }
372
373 static const struct snd_kcontrol_new eld_bytes_ctl = {
374         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE |
375                 SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK,
376         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
377         .name = "ELD",
378         .info = hdmi_eld_ctl_info,
379         .get = hdmi_eld_ctl_get,
380 };
381
382 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
383                         int device)
384 {
385         struct snd_kcontrol *kctl;
386         struct hdmi_spec *spec = codec->spec;
387         int err;
388
389         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
390         if (!kctl)
391                 return -ENOMEM;
392         kctl->private_value = pcm_idx;
393         kctl->id.device = device;
394
395         /* no pin nid is associated with the kctl now
396          * tbd: associate pin nid to eld ctl later
397          */
398         err = snd_hda_ctl_add(codec, 0, kctl);
399         if (err < 0)
400                 return err;
401
402         get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
403         return 0;
404 }
405
406 #ifdef BE_PARANOID
407 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
408                                 int *packet_index, int *byte_index)
409 {
410         int val;
411
412         val = snd_hda_codec_read(codec, pin_nid, 0,
413                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
414
415         *packet_index = val >> 5;
416         *byte_index = val & 0x1f;
417 }
418 #endif
419
420 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
421                                 int packet_index, int byte_index)
422 {
423         int val;
424
425         val = (packet_index << 5) | (byte_index & 0x1f);
426
427         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
428 }
429
430 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
431                                 unsigned char val)
432 {
433         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
434 }
435
436 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
437 {
438         struct hdmi_spec *spec = codec->spec;
439         int pin_out;
440
441         /* Unmute */
442         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
443                 snd_hda_codec_write(codec, pin_nid, 0,
444                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
445
446         if (spec->dyn_pin_out)
447                 /* Disable pin out until stream is active */
448                 pin_out = 0;
449         else
450                 /* Enable pin out: some machines with GM965 gets broken output
451                  * when the pin is disabled or changed while using with HDMI
452                  */
453                 pin_out = PIN_OUT;
454
455         snd_hda_codec_write(codec, pin_nid, 0,
456                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
457 }
458
459 /*
460  * ELD proc files
461  */
462
463 #ifdef CONFIG_SND_PROC_FS
464 static void print_eld_info(struct snd_info_entry *entry,
465                            struct snd_info_buffer *buffer)
466 {
467         struct hdmi_spec_per_pin *per_pin = entry->private_data;
468
469         mutex_lock(&per_pin->lock);
470         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
471         mutex_unlock(&per_pin->lock);
472 }
473
474 static void write_eld_info(struct snd_info_entry *entry,
475                            struct snd_info_buffer *buffer)
476 {
477         struct hdmi_spec_per_pin *per_pin = entry->private_data;
478
479         mutex_lock(&per_pin->lock);
480         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
481         mutex_unlock(&per_pin->lock);
482 }
483
484 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
485 {
486         char name[32];
487         struct hda_codec *codec = per_pin->codec;
488         struct snd_info_entry *entry;
489         int err;
490
491         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
492         err = snd_card_proc_new(codec->card, name, &entry);
493         if (err < 0)
494                 return err;
495
496         snd_info_set_text_ops(entry, per_pin, print_eld_info);
497         entry->c.text.write = write_eld_info;
498         entry->mode |= 0200;
499         per_pin->proc_entry = entry;
500
501         return 0;
502 }
503
504 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
505 {
506         if (!per_pin->codec->bus->shutdown) {
507                 snd_info_free_entry(per_pin->proc_entry);
508                 per_pin->proc_entry = NULL;
509         }
510 }
511 #else
512 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
513                                int index)
514 {
515         return 0;
516 }
517 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
518 {
519 }
520 #endif
521
522 /*
523  * Audio InfoFrame routines
524  */
525
526 /*
527  * Enable Audio InfoFrame Transmission
528  */
529 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
530                                        hda_nid_t pin_nid)
531 {
532         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
533         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
534                                                 AC_DIPXMIT_BEST);
535 }
536
537 /*
538  * Disable Audio InfoFrame Transmission
539  */
540 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
541                                       hda_nid_t pin_nid)
542 {
543         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
544         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
545                                                 AC_DIPXMIT_DISABLE);
546 }
547
548 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
549 {
550 #ifdef CONFIG_SND_DEBUG_VERBOSE
551         int i;
552         int size;
553
554         size = snd_hdmi_get_eld_size(codec, pin_nid);
555         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
556
557         for (i = 0; i < 8; i++) {
558                 size = snd_hda_codec_read(codec, pin_nid, 0,
559                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
560                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
561         }
562 #endif
563 }
564
565 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
566 {
567 #ifdef BE_PARANOID
568         int i, j;
569         int size;
570         int pi, bi;
571         for (i = 0; i < 8; i++) {
572                 size = snd_hda_codec_read(codec, pin_nid, 0,
573                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
574                 if (size == 0)
575                         continue;
576
577                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
578                 for (j = 1; j < 1000; j++) {
579                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
580                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
581                         if (pi != i)
582                                 codec_dbg(codec, "dip index %d: %d != %d\n",
583                                                 bi, pi, i);
584                         if (bi == 0) /* byte index wrapped around */
585                                 break;
586                 }
587                 codec_dbg(codec,
588                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
589                         i, size, j);
590         }
591 #endif
592 }
593
594 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
595 {
596         u8 *bytes = (u8 *)hdmi_ai;
597         u8 sum = 0;
598         int i;
599
600         hdmi_ai->checksum = 0;
601
602         for (i = 0; i < sizeof(*hdmi_ai); i++)
603                 sum += bytes[i];
604
605         hdmi_ai->checksum = -sum;
606 }
607
608 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
609                                       hda_nid_t pin_nid,
610                                       u8 *dip, int size)
611 {
612         int i;
613
614         hdmi_debug_dip_size(codec, pin_nid);
615         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
616
617         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
618         for (i = 0; i < size; i++)
619                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
620 }
621
622 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
623                                     u8 *dip, int size)
624 {
625         u8 val;
626         int i;
627
628         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
629                                                             != AC_DIPXMIT_BEST)
630                 return false;
631
632         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
633         for (i = 0; i < size; i++) {
634                 val = snd_hda_codec_read(codec, pin_nid, 0,
635                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
636                 if (val != dip[i])
637                         return false;
638         }
639
640         return true;
641 }
642
643 static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
644                             int dev_id, unsigned char *buf, int *eld_size)
645 {
646         snd_hda_set_dev_select(codec, nid, dev_id);
647
648         return snd_hdmi_get_eld(codec, nid, buf, eld_size);
649 }
650
651 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
652                                      hda_nid_t pin_nid, int dev_id,
653                                      int ca, int active_channels,
654                                      int conn_type)
655 {
656         union audio_infoframe ai;
657
658         memset(&ai, 0, sizeof(ai));
659         if (conn_type == 0) { /* HDMI */
660                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
661
662                 hdmi_ai->type           = 0x84;
663                 hdmi_ai->ver            = 0x01;
664                 hdmi_ai->len            = 0x0a;
665                 hdmi_ai->CC02_CT47      = active_channels - 1;
666                 hdmi_ai->CA             = ca;
667                 hdmi_checksum_audio_infoframe(hdmi_ai);
668         } else if (conn_type == 1) { /* DisplayPort */
669                 struct dp_audio_infoframe *dp_ai = &ai.dp;
670
671                 dp_ai->type             = 0x84;
672                 dp_ai->len              = 0x1b;
673                 dp_ai->ver              = 0x11 << 2;
674                 dp_ai->CC02_CT47        = active_channels - 1;
675                 dp_ai->CA               = ca;
676         } else {
677                 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
678                             pin_nid);
679                 return;
680         }
681
682         snd_hda_set_dev_select(codec, pin_nid, dev_id);
683
684         /*
685          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
686          * sizeof(*dp_ai) to avoid partial match/update problems when
687          * the user switches between HDMI/DP monitors.
688          */
689         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
690                                         sizeof(ai))) {
691                 codec_dbg(codec,
692                           "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
693                             pin_nid,
694                             active_channels, ca);
695                 hdmi_stop_infoframe_trans(codec, pin_nid);
696                 hdmi_fill_audio_infoframe(codec, pin_nid,
697                                             ai.bytes, sizeof(ai));
698                 hdmi_start_infoframe_trans(codec, pin_nid);
699         }
700 }
701
702 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
703                                        struct hdmi_spec_per_pin *per_pin,
704                                        bool non_pcm)
705 {
706         struct hdmi_spec *spec = codec->spec;
707         struct hdac_chmap *chmap = &spec->chmap;
708         hda_nid_t pin_nid = per_pin->pin_nid;
709         int dev_id = per_pin->dev_id;
710         int channels = per_pin->channels;
711         int active_channels;
712         struct hdmi_eld *eld;
713         int ca;
714
715         if (!channels)
716                 return;
717
718         snd_hda_set_dev_select(codec, pin_nid, dev_id);
719
720         /* some HW (e.g. HSW+) needs reprogramming the amp at each time */
721         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
722                 snd_hda_codec_write(codec, pin_nid, 0,
723                                             AC_VERB_SET_AMP_GAIN_MUTE,
724                                             AMP_OUT_UNMUTE);
725
726         eld = &per_pin->sink_eld;
727
728         ca = snd_hdac_channel_allocation(&codec->core,
729                         eld->info.spk_alloc, channels,
730                         per_pin->chmap_set, non_pcm, per_pin->chmap);
731
732         active_channels = snd_hdac_get_active_channels(ca);
733
734         chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
735                                                 active_channels);
736
737         /*
738          * always configure channel mapping, it may have been changed by the
739          * user in the meantime
740          */
741         snd_hdac_setup_channel_mapping(&spec->chmap,
742                                 pin_nid, non_pcm, ca, channels,
743                                 per_pin->chmap, per_pin->chmap_set);
744
745         spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id,
746                                       ca, active_channels, eld->info.conn_type);
747
748         per_pin->non_pcm = non_pcm;
749 }
750
751 /*
752  * Unsolicited events
753  */
754
755 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
756
757 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid,
758                                       int dev_id)
759 {
760         struct hdmi_spec *spec = codec->spec;
761         int pin_idx = pin_id_to_pin_index(codec, nid, dev_id);
762
763         if (pin_idx < 0)
764                 return;
765         mutex_lock(&spec->pcm_lock);
766         hdmi_present_sense(get_pin(spec, pin_idx), 1);
767         mutex_unlock(&spec->pcm_lock);
768 }
769
770 static void jack_callback(struct hda_codec *codec,
771                           struct hda_jack_callback *jack)
772 {
773         /* stop polling when notification is enabled */
774         if (codec_has_acomp(codec))
775                 return;
776
777         check_presence_and_report(codec, jack->nid, jack->dev_id);
778 }
779
780 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res,
781                                  struct hda_jack_tbl *jack)
782 {
783         jack->jack_dirty = 1;
784
785         codec_dbg(codec,
786                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
787                 codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA),
788                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
789
790         check_presence_and_report(codec, jack->nid, jack->dev_id);
791 }
792
793 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
794 {
795         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
796         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
797         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
798         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
799
800         codec_info(codec,
801                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
802                 codec->addr,
803                 tag,
804                 subtag,
805                 cp_state,
806                 cp_ready);
807
808         /* TODO */
809         if (cp_state) {
810                 ;
811         }
812         if (cp_ready) {
813                 ;
814         }
815 }
816
817
818 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
819 {
820         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
821         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
822         struct hda_jack_tbl *jack;
823
824         if (codec_has_acomp(codec))
825                 return;
826
827         if (codec->dp_mst) {
828                 int dev_entry =
829                         (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
830
831                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry);
832         } else {
833                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0);
834         }
835
836         if (!jack) {
837                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
838                 return;
839         }
840
841         if (subtag == 0)
842                 hdmi_intrinsic_event(codec, res, jack);
843         else
844                 hdmi_non_intrinsic_event(codec, res);
845 }
846
847 static void haswell_verify_D0(struct hda_codec *codec,
848                 hda_nid_t cvt_nid, hda_nid_t nid)
849 {
850         int pwr;
851
852         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
853          * thus pins could only choose converter 0 for use. Make sure the
854          * converters are in correct power state */
855         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
856                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
857
858         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
859                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
860                                     AC_PWRST_D0);
861                 msleep(40);
862                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
863                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
864                 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
865         }
866 }
867
868 /*
869  * Callbacks
870  */
871
872 /* HBR should be Non-PCM, 8 channels */
873 #define is_hbr_format(format) \
874         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
875
876 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
877                               int dev_id, bool hbr)
878 {
879         int pinctl, new_pinctl;
880
881         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
882                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
883                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
884                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
885
886                 if (pinctl < 0)
887                         return hbr ? -EINVAL : 0;
888
889                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
890                 if (hbr)
891                         new_pinctl |= AC_PINCTL_EPT_HBR;
892                 else
893                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
894
895                 codec_dbg(codec,
896                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
897                             pin_nid,
898                             pinctl == new_pinctl ? "" : "new-",
899                             new_pinctl);
900
901                 if (pinctl != new_pinctl)
902                         snd_hda_codec_write(codec, pin_nid, 0,
903                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
904                                             new_pinctl);
905         } else if (hbr)
906                 return -EINVAL;
907
908         return 0;
909 }
910
911 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
912                               hda_nid_t pin_nid, int dev_id,
913                               u32 stream_tag, int format)
914 {
915         struct hdmi_spec *spec = codec->spec;
916         unsigned int param;
917         int err;
918
919         err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id,
920                                       is_hbr_format(format));
921
922         if (err) {
923                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
924                 return err;
925         }
926
927         if (spec->intel_hsw_fixup) {
928
929                 /*
930                  * on recent platforms IEC Coding Type is required for HBR
931                  * support, read current Digital Converter settings and set
932                  * ICT bitfield if needed.
933                  */
934                 param = snd_hda_codec_read(codec, cvt_nid, 0,
935                                            AC_VERB_GET_DIGI_CONVERT_1, 0);
936
937                 param = (param >> 16) & ~(AC_DIG3_ICT);
938
939                 /* on recent platforms ICT mode is required for HBR support */
940                 if (is_hbr_format(format))
941                         param |= 0x1;
942
943                 snd_hda_codec_write(codec, cvt_nid, 0,
944                                     AC_VERB_SET_DIGI_CONVERT_3, param);
945         }
946
947         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
948         return 0;
949 }
950
951 /* Try to find an available converter
952  * If pin_idx is less then zero, just try to find an available converter.
953  * Otherwise, try to find an available converter and get the cvt mux index
954  * of the pin.
955  */
956 static int hdmi_choose_cvt(struct hda_codec *codec,
957                            int pin_idx, int *cvt_id)
958 {
959         struct hdmi_spec *spec = codec->spec;
960         struct hdmi_spec_per_pin *per_pin;
961         struct hdmi_spec_per_cvt *per_cvt = NULL;
962         int cvt_idx, mux_idx = 0;
963
964         /* pin_idx < 0 means no pin will be bound to the converter */
965         if (pin_idx < 0)
966                 per_pin = NULL;
967         else
968                 per_pin = get_pin(spec, pin_idx);
969
970         /* Dynamically assign converter to stream */
971         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
972                 per_cvt = get_cvt(spec, cvt_idx);
973
974                 /* Must not already be assigned */
975                 if (per_cvt->assigned)
976                         continue;
977                 if (per_pin == NULL)
978                         break;
979                 /* Must be in pin's mux's list of converters */
980                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
981                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
982                                 break;
983                 /* Not in mux list */
984                 if (mux_idx == per_pin->num_mux_nids)
985                         continue;
986                 break;
987         }
988
989         /* No free converters */
990         if (cvt_idx == spec->num_cvts)
991                 return -EBUSY;
992
993         if (per_pin != NULL)
994                 per_pin->mux_idx = mux_idx;
995
996         if (cvt_id)
997                 *cvt_id = cvt_idx;
998
999         return 0;
1000 }
1001
1002 /* Assure the pin select the right convetor */
1003 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1004                         struct hdmi_spec_per_pin *per_pin)
1005 {
1006         hda_nid_t pin_nid = per_pin->pin_nid;
1007         int mux_idx, curr;
1008
1009         mux_idx = per_pin->mux_idx;
1010         curr = snd_hda_codec_read(codec, pin_nid, 0,
1011                                           AC_VERB_GET_CONNECT_SEL, 0);
1012         if (curr != mux_idx)
1013                 snd_hda_codec_write_cache(codec, pin_nid, 0,
1014                                             AC_VERB_SET_CONNECT_SEL,
1015                                             mux_idx);
1016 }
1017
1018 /* get the mux index for the converter of the pins
1019  * converter's mux index is the same for all pins on Intel platform
1020  */
1021 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
1022                         hda_nid_t cvt_nid)
1023 {
1024         int i;
1025
1026         for (i = 0; i < spec->num_cvts; i++)
1027                 if (spec->cvt_nids[i] == cvt_nid)
1028                         return i;
1029         return -EINVAL;
1030 }
1031
1032 /* Intel HDMI workaround to fix audio routing issue:
1033  * For some Intel display codecs, pins share the same connection list.
1034  * So a conveter can be selected by multiple pins and playback on any of these
1035  * pins will generate sound on the external display, because audio flows from
1036  * the same converter to the display pipeline. Also muting one pin may make
1037  * other pins have no sound output.
1038  * So this function assures that an assigned converter for a pin is not selected
1039  * by any other pins.
1040  */
1041 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1042                                          hda_nid_t pin_nid,
1043                                          int dev_id, int mux_idx)
1044 {
1045         struct hdmi_spec *spec = codec->spec;
1046         hda_nid_t nid;
1047         int cvt_idx, curr;
1048         struct hdmi_spec_per_cvt *per_cvt;
1049         struct hdmi_spec_per_pin *per_pin;
1050         int pin_idx;
1051
1052         /* configure the pins connections */
1053         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1054                 int dev_id_saved;
1055                 int dev_num;
1056
1057                 per_pin = get_pin(spec, pin_idx);
1058                 /*
1059                  * pin not connected to monitor
1060                  * no need to operate on it
1061                  */
1062                 if (!per_pin->pcm)
1063                         continue;
1064
1065                 if ((per_pin->pin_nid == pin_nid) &&
1066                         (per_pin->dev_id == dev_id))
1067                         continue;
1068
1069                 /*
1070                  * if per_pin->dev_id >= dev_num,
1071                  * snd_hda_get_dev_select() will fail,
1072                  * and the following operation is unpredictable.
1073                  * So skip this situation.
1074                  */
1075                 dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1;
1076                 if (per_pin->dev_id >= dev_num)
1077                         continue;
1078
1079                 nid = per_pin->pin_nid;
1080
1081                 /*
1082                  * Calling this function should not impact
1083                  * on the device entry selection
1084                  * So let's save the dev id for each pin,
1085                  * and restore it when return
1086                  */
1087                 dev_id_saved = snd_hda_get_dev_select(codec, nid);
1088                 snd_hda_set_dev_select(codec, nid, per_pin->dev_id);
1089                 curr = snd_hda_codec_read(codec, nid, 0,
1090                                           AC_VERB_GET_CONNECT_SEL, 0);
1091                 if (curr != mux_idx) {
1092                         snd_hda_set_dev_select(codec, nid, dev_id_saved);
1093                         continue;
1094                 }
1095
1096
1097                 /* choose an unassigned converter. The conveters in the
1098                  * connection list are in the same order as in the codec.
1099                  */
1100                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1101                         per_cvt = get_cvt(spec, cvt_idx);
1102                         if (!per_cvt->assigned) {
1103                                 codec_dbg(codec,
1104                                           "choose cvt %d for pin nid %d\n",
1105                                         cvt_idx, nid);
1106                                 snd_hda_codec_write_cache(codec, nid, 0,
1107                                             AC_VERB_SET_CONNECT_SEL,
1108                                             cvt_idx);
1109                                 break;
1110                         }
1111                 }
1112                 snd_hda_set_dev_select(codec, nid, dev_id_saved);
1113         }
1114 }
1115
1116 /* A wrapper of intel_not_share_asigned_cvt() */
1117 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1118                         hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid)
1119 {
1120         int mux_idx;
1121         struct hdmi_spec *spec = codec->spec;
1122
1123         /* On Intel platform, the mapping of converter nid to
1124          * mux index of the pins are always the same.
1125          * The pin nid may be 0, this means all pins will not
1126          * share the converter.
1127          */
1128         mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1129         if (mux_idx >= 0)
1130                 intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx);
1131 }
1132
1133 /* skeleton caller of pin_cvt_fixup ops */
1134 static void pin_cvt_fixup(struct hda_codec *codec,
1135                           struct hdmi_spec_per_pin *per_pin,
1136                           hda_nid_t cvt_nid)
1137 {
1138         struct hdmi_spec *spec = codec->spec;
1139
1140         if (spec->ops.pin_cvt_fixup)
1141                 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid);
1142 }
1143
1144 /* called in hdmi_pcm_open when no pin is assigned to the PCM
1145  * in dyn_pcm_assign mode.
1146  */
1147 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1148                          struct hda_codec *codec,
1149                          struct snd_pcm_substream *substream)
1150 {
1151         struct hdmi_spec *spec = codec->spec;
1152         struct snd_pcm_runtime *runtime = substream->runtime;
1153         int cvt_idx, pcm_idx;
1154         struct hdmi_spec_per_cvt *per_cvt = NULL;
1155         int err;
1156
1157         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1158         if (pcm_idx < 0)
1159                 return -EINVAL;
1160
1161         err = hdmi_choose_cvt(codec, -1, &cvt_idx);
1162         if (err)
1163                 return err;
1164
1165         per_cvt = get_cvt(spec, cvt_idx);
1166         per_cvt->assigned = 1;
1167         hinfo->nid = per_cvt->cvt_nid;
1168
1169         pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid);
1170
1171         set_bit(pcm_idx, &spec->pcm_in_use);
1172         /* todo: setup spdif ctls assign */
1173
1174         /* Initially set the converter's capabilities */
1175         hinfo->channels_min = per_cvt->channels_min;
1176         hinfo->channels_max = per_cvt->channels_max;
1177         hinfo->rates = per_cvt->rates;
1178         hinfo->formats = per_cvt->formats;
1179         hinfo->maxbps = per_cvt->maxbps;
1180
1181         /* Store the updated parameters */
1182         runtime->hw.channels_min = hinfo->channels_min;
1183         runtime->hw.channels_max = hinfo->channels_max;
1184         runtime->hw.formats = hinfo->formats;
1185         runtime->hw.rates = hinfo->rates;
1186
1187         snd_pcm_hw_constraint_step(substream->runtime, 0,
1188                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1189         return 0;
1190 }
1191
1192 /*
1193  * HDA PCM callbacks
1194  */
1195 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1196                          struct hda_codec *codec,
1197                          struct snd_pcm_substream *substream)
1198 {
1199         struct hdmi_spec *spec = codec->spec;
1200         struct snd_pcm_runtime *runtime = substream->runtime;
1201         int pin_idx, cvt_idx, pcm_idx;
1202         struct hdmi_spec_per_pin *per_pin;
1203         struct hdmi_eld *eld;
1204         struct hdmi_spec_per_cvt *per_cvt = NULL;
1205         int err;
1206
1207         /* Validate hinfo */
1208         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1209         if (pcm_idx < 0)
1210                 return -EINVAL;
1211
1212         mutex_lock(&spec->pcm_lock);
1213         pin_idx = hinfo_to_pin_index(codec, hinfo);
1214         if (!spec->dyn_pcm_assign) {
1215                 if (snd_BUG_ON(pin_idx < 0)) {
1216                         err = -EINVAL;
1217                         goto unlock;
1218                 }
1219         } else {
1220                 /* no pin is assigned to the PCM
1221                  * PA need pcm open successfully when probe
1222                  */
1223                 if (pin_idx < 0) {
1224                         err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1225                         goto unlock;
1226                 }
1227         }
1228
1229         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx);
1230         if (err < 0)
1231                 goto unlock;
1232
1233         per_cvt = get_cvt(spec, cvt_idx);
1234         /* Claim converter */
1235         per_cvt->assigned = 1;
1236
1237         set_bit(pcm_idx, &spec->pcm_in_use);
1238         per_pin = get_pin(spec, pin_idx);
1239         per_pin->cvt_nid = per_cvt->cvt_nid;
1240         hinfo->nid = per_cvt->cvt_nid;
1241
1242         /* flip stripe flag for the assigned stream if supported */
1243         if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE)
1244                 azx_stream(get_azx_dev(substream))->stripe = 1;
1245
1246         snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
1247         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1248                             AC_VERB_SET_CONNECT_SEL,
1249                             per_pin->mux_idx);
1250
1251         /* configure unused pins to choose other converters */
1252         pin_cvt_fixup(codec, per_pin, 0);
1253
1254         snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1255
1256         /* Initially set the converter's capabilities */
1257         hinfo->channels_min = per_cvt->channels_min;
1258         hinfo->channels_max = per_cvt->channels_max;
1259         hinfo->rates = per_cvt->rates;
1260         hinfo->formats = per_cvt->formats;
1261         hinfo->maxbps = per_cvt->maxbps;
1262
1263         eld = &per_pin->sink_eld;
1264         /* Restrict capabilities by ELD if this isn't disabled */
1265         if (!static_hdmi_pcm && eld->eld_valid) {
1266                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1267                 if (hinfo->channels_min > hinfo->channels_max ||
1268                     !hinfo->rates || !hinfo->formats) {
1269                         per_cvt->assigned = 0;
1270                         hinfo->nid = 0;
1271                         snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1272                         err = -ENODEV;
1273                         goto unlock;
1274                 }
1275         }
1276
1277         /* Store the updated parameters */
1278         runtime->hw.channels_min = hinfo->channels_min;
1279         runtime->hw.channels_max = hinfo->channels_max;
1280         runtime->hw.formats = hinfo->formats;
1281         runtime->hw.rates = hinfo->rates;
1282
1283         snd_pcm_hw_constraint_step(substream->runtime, 0,
1284                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1285  unlock:
1286         mutex_unlock(&spec->pcm_lock);
1287         return err;
1288 }
1289
1290 /*
1291  * HDA/HDMI auto parsing
1292  */
1293 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1294 {
1295         struct hdmi_spec *spec = codec->spec;
1296         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1297         hda_nid_t pin_nid = per_pin->pin_nid;
1298         int dev_id = per_pin->dev_id;
1299         int conns;
1300
1301         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1302                 codec_warn(codec,
1303                            "HDMI: pin %d wcaps %#x does not support connection list\n",
1304                            pin_nid, get_wcaps(codec, pin_nid));
1305                 return -EINVAL;
1306         }
1307
1308         snd_hda_set_dev_select(codec, pin_nid, dev_id);
1309
1310         if (spec->intel_hsw_fixup) {
1311                 conns = spec->num_cvts;
1312                 memcpy(per_pin->mux_nids, spec->cvt_nids,
1313                        sizeof(hda_nid_t) * conns);
1314         } else {
1315                 conns = snd_hda_get_raw_connections(codec, pin_nid,
1316                                                     per_pin->mux_nids,
1317                                                     HDA_MAX_CONNECTIONS);
1318         }
1319
1320         /* all the device entries on the same pin have the same conn list */
1321         per_pin->num_mux_nids = conns;
1322
1323         return 0;
1324 }
1325
1326 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1327                               struct hdmi_spec_per_pin *per_pin)
1328 {
1329         int i;
1330
1331         /*
1332          * generic_hdmi_build_pcms() may allocate extra PCMs on some
1333          * platforms (with maximum of 'num_nids + dev_num - 1')
1334          *
1335          * The per_pin of pin_nid_idx=n and dev_id=m prefers to get pcm-n
1336          * if m==0. This guarantees that dynamic pcm assignments are compatible
1337          * with the legacy static per_pin-pcm assignment that existed in the
1338          * days before DP-MST.
1339          *
1340          * Intel DP-MST prefers this legacy behavior for compatibility, too.
1341          *
1342          * per_pin of m!=0 prefers to get pcm=(num_nids + (m - 1)).
1343          */
1344
1345         if (per_pin->dev_id == 0 || spec->intel_hsw_fixup) {
1346                 if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
1347                         return per_pin->pin_nid_idx;
1348         } else {
1349                 i = spec->num_nids + (per_pin->dev_id - 1);
1350                 if (i < spec->pcm_used && !(test_bit(i, &spec->pcm_bitmap)))
1351                         return i;
1352         }
1353
1354         /* have a second try; check the area over num_nids */
1355         for (i = spec->num_nids; i < spec->pcm_used; i++) {
1356                 if (!test_bit(i, &spec->pcm_bitmap))
1357                         return i;
1358         }
1359
1360         /* the last try; check the empty slots in pins */
1361         for (i = 0; i < spec->num_nids; i++) {
1362                 if (!test_bit(i, &spec->pcm_bitmap))
1363                         return i;
1364         }
1365         return -EBUSY;
1366 }
1367
1368 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1369                                 struct hdmi_spec_per_pin *per_pin)
1370 {
1371         int idx;
1372
1373         /* pcm already be attached to the pin */
1374         if (per_pin->pcm)
1375                 return;
1376         idx = hdmi_find_pcm_slot(spec, per_pin);
1377         if (idx == -EBUSY)
1378                 return;
1379         per_pin->pcm_idx = idx;
1380         per_pin->pcm = get_hdmi_pcm(spec, idx);
1381         set_bit(idx, &spec->pcm_bitmap);
1382 }
1383
1384 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1385                                 struct hdmi_spec_per_pin *per_pin)
1386 {
1387         int idx;
1388
1389         /* pcm already be detached from the pin */
1390         if (!per_pin->pcm)
1391                 return;
1392         idx = per_pin->pcm_idx;
1393         per_pin->pcm_idx = -1;
1394         per_pin->pcm = NULL;
1395         if (idx >= 0 && idx < spec->pcm_used)
1396                 clear_bit(idx, &spec->pcm_bitmap);
1397 }
1398
1399 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1400                 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1401 {
1402         int mux_idx;
1403
1404         for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1405                 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1406                         break;
1407         return mux_idx;
1408 }
1409
1410 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1411
1412 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1413                            struct hdmi_spec_per_pin *per_pin)
1414 {
1415         struct hda_codec *codec = per_pin->codec;
1416         struct hda_pcm *pcm;
1417         struct hda_pcm_stream *hinfo;
1418         struct snd_pcm_substream *substream;
1419         int mux_idx;
1420         bool non_pcm;
1421
1422         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1423                 pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1424         else
1425                 return;
1426         if (!pcm->pcm)
1427                 return;
1428         if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1429                 return;
1430
1431         /* hdmi audio only uses playback and one substream */
1432         hinfo = pcm->stream;
1433         substream = pcm->pcm->streams[0].substream;
1434
1435         per_pin->cvt_nid = hinfo->nid;
1436
1437         mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1438         if (mux_idx < per_pin->num_mux_nids) {
1439                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
1440                                    per_pin->dev_id);
1441                 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1442                                 AC_VERB_SET_CONNECT_SEL,
1443                                 mux_idx);
1444         }
1445         snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1446
1447         non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1448         if (substream->runtime)
1449                 per_pin->channels = substream->runtime->channels;
1450         per_pin->setup = true;
1451         per_pin->mux_idx = mux_idx;
1452
1453         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1454 }
1455
1456 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1457                            struct hdmi_spec_per_pin *per_pin)
1458 {
1459         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1460                 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1461
1462         per_pin->chmap_set = false;
1463         memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1464
1465         per_pin->setup = false;
1466         per_pin->channels = 0;
1467 }
1468
1469 static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec,
1470                                             struct hdmi_spec_per_pin *per_pin)
1471 {
1472         struct hdmi_spec *spec = codec->spec;
1473
1474         if (per_pin->pcm_idx >= 0)
1475                 return spec->pcm_rec[per_pin->pcm_idx].jack;
1476         else
1477                 return NULL;
1478 }
1479
1480 /* update per_pin ELD from the given new ELD;
1481  * setup info frame and notification accordingly
1482  * also notify ELD kctl and report jack status changes
1483  */
1484 static void update_eld(struct hda_codec *codec,
1485                        struct hdmi_spec_per_pin *per_pin,
1486                        struct hdmi_eld *eld,
1487                        int repoll)
1488 {
1489         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1490         struct hdmi_spec *spec = codec->spec;
1491         struct snd_jack *pcm_jack;
1492         bool old_eld_valid = pin_eld->eld_valid;
1493         bool eld_changed;
1494         int pcm_idx;
1495
1496         if (eld->eld_valid) {
1497                 if (eld->eld_size <= 0 ||
1498                     snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1499                                        eld->eld_size) < 0) {
1500                         eld->eld_valid = false;
1501                         if (repoll) {
1502                                 schedule_delayed_work(&per_pin->work,
1503                                                       msecs_to_jiffies(300));
1504                                 return;
1505                         }
1506                 }
1507         }
1508
1509         if (!eld->eld_valid || eld->eld_size <= 0) {
1510                 eld->eld_valid = false;
1511                 eld->eld_size = 0;
1512         }
1513
1514         /* for monitor disconnection, save pcm_idx firstly */
1515         pcm_idx = per_pin->pcm_idx;
1516
1517         /*
1518          * pcm_idx >=0 before update_eld() means it is in monitor
1519          * disconnected event. Jack must be fetched before update_eld().
1520          */
1521         pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1522
1523         if (spec->dyn_pcm_assign) {
1524                 if (eld->eld_valid) {
1525                         hdmi_attach_hda_pcm(spec, per_pin);
1526                         hdmi_pcm_setup_pin(spec, per_pin);
1527                 } else {
1528                         hdmi_pcm_reset_pin(spec, per_pin);
1529                         hdmi_detach_hda_pcm(spec, per_pin);
1530                 }
1531         }
1532         /* if pcm_idx == -1, it means this is in monitor connection event
1533          * we can get the correct pcm_idx now.
1534          */
1535         if (pcm_idx == -1)
1536                 pcm_idx = per_pin->pcm_idx;
1537         if (!pcm_jack)
1538                 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1539
1540         if (eld->eld_valid)
1541                 snd_hdmi_show_eld(codec, &eld->info);
1542
1543         eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1544         eld_changed |= (pin_eld->monitor_present != eld->monitor_present);
1545         if (!eld_changed && eld->eld_valid && pin_eld->eld_valid)
1546                 if (pin_eld->eld_size != eld->eld_size ||
1547                     memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1548                            eld->eld_size) != 0)
1549                         eld_changed = true;
1550
1551         if (eld_changed) {
1552                 pin_eld->monitor_present = eld->monitor_present;
1553                 pin_eld->eld_valid = eld->eld_valid;
1554                 pin_eld->eld_size = eld->eld_size;
1555                 if (eld->eld_valid)
1556                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1557                                eld->eld_size);
1558                 pin_eld->info = eld->info;
1559         }
1560
1561         /*
1562          * Re-setup pin and infoframe. This is needed e.g. when
1563          * - sink is first plugged-in
1564          * - transcoder can change during stream playback on Haswell
1565          *   and this can make HW reset converter selection on a pin.
1566          */
1567         if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1568                 pin_cvt_fixup(codec, per_pin, 0);
1569                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1570         }
1571
1572         if (eld_changed && pcm_idx >= 0)
1573                 snd_ctl_notify(codec->card,
1574                                SNDRV_CTL_EVENT_MASK_VALUE |
1575                                SNDRV_CTL_EVENT_MASK_INFO,
1576                                &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1577
1578         if (eld_changed && pcm_jack)
1579                 snd_jack_report(pcm_jack,
1580                                 (eld->monitor_present && eld->eld_valid) ?
1581                                 SND_JACK_AVOUT : 0);
1582 }
1583
1584 /* update ELD and jack state via HD-audio verbs */
1585 static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1586                                          int repoll)
1587 {
1588         struct hda_codec *codec = per_pin->codec;
1589         struct hdmi_spec *spec = codec->spec;
1590         struct hdmi_eld *eld = &spec->temp_eld;
1591         hda_nid_t pin_nid = per_pin->pin_nid;
1592         int dev_id = per_pin->dev_id;
1593         /*
1594          * Always execute a GetPinSense verb here, even when called from
1595          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1596          * response's PD bit is not the real PD value, but indicates that
1597          * the real PD value changed. An older version of the HD-audio
1598          * specification worked this way. Hence, we just ignore the data in
1599          * the unsolicited response to avoid custom WARs.
1600          */
1601         int present;
1602         int ret;
1603
1604         ret = snd_hda_power_up_pm(codec);
1605         if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec)))
1606                 goto out;
1607
1608         present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id);
1609
1610         mutex_lock(&per_pin->lock);
1611         eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1612         if (eld->monitor_present)
1613                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1614         else
1615                 eld->eld_valid = false;
1616
1617         codec_dbg(codec,
1618                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1619                 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1620
1621         if (eld->eld_valid) {
1622                 if (spec->ops.pin_get_eld(codec, pin_nid, dev_id,
1623                                           eld->eld_buffer, &eld->eld_size) < 0)
1624                         eld->eld_valid = false;
1625         }
1626
1627         update_eld(codec, per_pin, eld, repoll);
1628         mutex_unlock(&per_pin->lock);
1629  out:
1630         snd_hda_power_down_pm(codec);
1631 }
1632
1633 /* update ELD and jack state via audio component */
1634 static void sync_eld_via_acomp(struct hda_codec *codec,
1635                                struct hdmi_spec_per_pin *per_pin)
1636 {
1637         struct hdmi_spec *spec = codec->spec;
1638         struct hdmi_eld *eld = &spec->temp_eld;
1639
1640         mutex_lock(&per_pin->lock);
1641         eld->monitor_present = false;
1642         eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid,
1643                                       per_pin->dev_id, &eld->monitor_present,
1644                                       eld->eld_buffer, ELD_MAX_SIZE);
1645         eld->eld_valid = (eld->eld_size > 0);
1646         update_eld(codec, per_pin, eld, 0);
1647         mutex_unlock(&per_pin->lock);
1648 }
1649
1650 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1651 {
1652         struct hda_codec *codec = per_pin->codec;
1653
1654         if (!codec_has_acomp(codec))
1655                 hdmi_present_sense_via_verbs(per_pin, repoll);
1656         else
1657                 sync_eld_via_acomp(codec, per_pin);
1658 }
1659
1660 static void hdmi_repoll_eld(struct work_struct *work)
1661 {
1662         struct hdmi_spec_per_pin *per_pin =
1663         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1664         struct hda_codec *codec = per_pin->codec;
1665         struct hdmi_spec *spec = codec->spec;
1666         struct hda_jack_tbl *jack;
1667
1668         jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid,
1669                                         per_pin->dev_id);
1670         if (jack)
1671                 jack->jack_dirty = 1;
1672
1673         if (per_pin->repoll_count++ > 6)
1674                 per_pin->repoll_count = 0;
1675
1676         mutex_lock(&spec->pcm_lock);
1677         hdmi_present_sense(per_pin, per_pin->repoll_count);
1678         mutex_unlock(&spec->pcm_lock);
1679 }
1680
1681 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1682 {
1683         struct hdmi_spec *spec = codec->spec;
1684         unsigned int caps, config;
1685         int pin_idx;
1686         struct hdmi_spec_per_pin *per_pin;
1687         int err;
1688         int dev_num, i;
1689
1690         caps = snd_hda_query_pin_caps(codec, pin_nid);
1691         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1692                 return 0;
1693
1694         /*
1695          * For DP MST audio, Configuration Default is the same for
1696          * all device entries on the same pin
1697          */
1698         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1699         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1700                 return 0;
1701
1702         /*
1703          * To simplify the implementation, malloc all
1704          * the virtual pins in the initialization statically
1705          */
1706         if (spec->intel_hsw_fixup) {
1707                 /*
1708                  * On Intel platforms, device entries number is
1709                  * changed dynamically. If there is a DP MST
1710                  * hub connected, the device entries number is 3.
1711                  * Otherwise, it is 1.
1712                  * Here we manually set dev_num to 3, so that
1713                  * we can initialize all the device entries when
1714                  * bootup statically.
1715                  */
1716                 dev_num = 3;
1717                 spec->dev_num = 3;
1718         } else if (spec->dyn_pcm_assign && codec->dp_mst) {
1719                 dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1;
1720                 /*
1721                  * spec->dev_num is the maxinum number of device entries
1722                  * among all the pins
1723                  */
1724                 spec->dev_num = (spec->dev_num > dev_num) ?
1725                         spec->dev_num : dev_num;
1726         } else {
1727                 /*
1728                  * If the platform doesn't support DP MST,
1729                  * manually set dev_num to 1. This means
1730                  * the pin has only one device entry.
1731                  */
1732                 dev_num = 1;
1733                 spec->dev_num = 1;
1734         }
1735
1736         for (i = 0; i < dev_num; i++) {
1737                 pin_idx = spec->num_pins;
1738                 per_pin = snd_array_new(&spec->pins);
1739
1740                 if (!per_pin)
1741                         return -ENOMEM;
1742
1743                 if (spec->dyn_pcm_assign) {
1744                         per_pin->pcm = NULL;
1745                         per_pin->pcm_idx = -1;
1746                 } else {
1747                         per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
1748                         per_pin->pcm_idx = pin_idx;
1749                 }
1750                 per_pin->pin_nid = pin_nid;
1751                 per_pin->pin_nid_idx = spec->num_nids;
1752                 per_pin->dev_id = i;
1753                 per_pin->non_pcm = false;
1754                 snd_hda_set_dev_select(codec, pin_nid, i);
1755                 err = hdmi_read_pin_conn(codec, pin_idx);
1756                 if (err < 0)
1757                         return err;
1758                 spec->num_pins++;
1759         }
1760         spec->num_nids++;
1761
1762         return 0;
1763 }
1764
1765 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1766 {
1767         struct hdmi_spec *spec = codec->spec;
1768         struct hdmi_spec_per_cvt *per_cvt;
1769         unsigned int chans;
1770         int err;
1771
1772         chans = get_wcaps(codec, cvt_nid);
1773         chans = get_wcaps_channels(chans);
1774
1775         per_cvt = snd_array_new(&spec->cvts);
1776         if (!per_cvt)
1777                 return -ENOMEM;
1778
1779         per_cvt->cvt_nid = cvt_nid;
1780         per_cvt->channels_min = 2;
1781         if (chans <= 16) {
1782                 per_cvt->channels_max = chans;
1783                 if (chans > spec->chmap.channels_max)
1784                         spec->chmap.channels_max = chans;
1785         }
1786
1787         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1788                                           &per_cvt->rates,
1789                                           &per_cvt->formats,
1790                                           &per_cvt->maxbps);
1791         if (err < 0)
1792                 return err;
1793
1794         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1795                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1796         spec->num_cvts++;
1797
1798         return 0;
1799 }
1800
1801 static int hdmi_parse_codec(struct hda_codec *codec)
1802 {
1803         hda_nid_t nid;
1804         int i, nodes;
1805
1806         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1807         if (!nid || nodes < 0) {
1808                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1809                 return -EINVAL;
1810         }
1811
1812         for (i = 0; i < nodes; i++, nid++) {
1813                 unsigned int caps;
1814                 unsigned int type;
1815
1816                 caps = get_wcaps(codec, nid);
1817                 type = get_wcaps_type(caps);
1818
1819                 if (!(caps & AC_WCAP_DIGITAL))
1820                         continue;
1821
1822                 switch (type) {
1823                 case AC_WID_AUD_OUT:
1824                         hdmi_add_cvt(codec, nid);
1825                         break;
1826                 case AC_WID_PIN:
1827                         hdmi_add_pin(codec, nid);
1828                         break;
1829                 }
1830         }
1831
1832         return 0;
1833 }
1834
1835 /*
1836  */
1837 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1838 {
1839         struct hda_spdif_out *spdif;
1840         bool non_pcm;
1841
1842         mutex_lock(&codec->spdif_mutex);
1843         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1844         /* Add sanity check to pass klockwork check.
1845          * This should never happen.
1846          */
1847         if (WARN_ON(spdif == NULL))
1848                 return true;
1849         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1850         mutex_unlock(&codec->spdif_mutex);
1851         return non_pcm;
1852 }
1853
1854 /*
1855  * HDMI callbacks
1856  */
1857
1858 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1859                                            struct hda_codec *codec,
1860                                            unsigned int stream_tag,
1861                                            unsigned int format,
1862                                            struct snd_pcm_substream *substream)
1863 {
1864         hda_nid_t cvt_nid = hinfo->nid;
1865         struct hdmi_spec *spec = codec->spec;
1866         int pin_idx;
1867         struct hdmi_spec_per_pin *per_pin;
1868         struct snd_pcm_runtime *runtime = substream->runtime;
1869         bool non_pcm;
1870         int pinctl, stripe;
1871         int err = 0;
1872
1873         mutex_lock(&spec->pcm_lock);
1874         pin_idx = hinfo_to_pin_index(codec, hinfo);
1875         if (spec->dyn_pcm_assign && pin_idx < 0) {
1876                 /* when dyn_pcm_assign and pcm is not bound to a pin
1877                  * skip pin setup and return 0 to make audio playback
1878                  * be ongoing
1879                  */
1880                 pin_cvt_fixup(codec, NULL, cvt_nid);
1881                 snd_hda_codec_setup_stream(codec, cvt_nid,
1882                                         stream_tag, 0, format);
1883                 goto unlock;
1884         }
1885
1886         if (snd_BUG_ON(pin_idx < 0)) {
1887                 err = -EINVAL;
1888                 goto unlock;
1889         }
1890         per_pin = get_pin(spec, pin_idx);
1891
1892         /* Verify pin:cvt selections to avoid silent audio after S3.
1893          * After S3, the audio driver restores pin:cvt selections
1894          * but this can happen before gfx is ready and such selection
1895          * is overlooked by HW. Thus multiple pins can share a same
1896          * default convertor and mute control will affect each other,
1897          * which can cause a resumed audio playback become silent
1898          * after S3.
1899          */
1900         pin_cvt_fixup(codec, per_pin, 0);
1901
1902         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1903         /* Todo: add DP1.2 MST audio support later */
1904         if (codec_has_acomp(codec))
1905                 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
1906                                          per_pin->dev_id, runtime->rate);
1907
1908         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1909         mutex_lock(&per_pin->lock);
1910         per_pin->channels = substream->runtime->channels;
1911         per_pin->setup = true;
1912
1913         if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) {
1914                 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core,
1915                                                         substream);
1916                 snd_hda_codec_write(codec, cvt_nid, 0,
1917                                     AC_VERB_SET_STRIPE_CONTROL,
1918                                     stripe);
1919         }
1920
1921         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1922         mutex_unlock(&per_pin->lock);
1923         if (spec->dyn_pin_out) {
1924                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
1925                                        per_pin->dev_id);
1926                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1927                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1928                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1929                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1930                                     pinctl | PIN_OUT);
1931         }
1932
1933         /* snd_hda_set_dev_select() has been called before */
1934         err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid,
1935                                      per_pin->dev_id, stream_tag, format);
1936  unlock:
1937         mutex_unlock(&spec->pcm_lock);
1938         return err;
1939 }
1940
1941 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1942                                              struct hda_codec *codec,
1943                                              struct snd_pcm_substream *substream)
1944 {
1945         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1946         return 0;
1947 }
1948
1949 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1950                           struct hda_codec *codec,
1951                           struct snd_pcm_substream *substream)
1952 {
1953         struct hdmi_spec *spec = codec->spec;
1954         int cvt_idx, pin_idx, pcm_idx;
1955         struct hdmi_spec_per_cvt *per_cvt;
1956         struct hdmi_spec_per_pin *per_pin;
1957         int pinctl;
1958         int err = 0;
1959
1960         if (hinfo->nid) {
1961                 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1962                 if (snd_BUG_ON(pcm_idx < 0))
1963                         return -EINVAL;
1964                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1965                 if (snd_BUG_ON(cvt_idx < 0))
1966                         return -EINVAL;
1967                 per_cvt = get_cvt(spec, cvt_idx);
1968
1969                 snd_BUG_ON(!per_cvt->assigned);
1970                 per_cvt->assigned = 0;
1971                 hinfo->nid = 0;
1972
1973                 azx_stream(get_azx_dev(substream))->stripe = 0;
1974
1975                 mutex_lock(&spec->pcm_lock);
1976                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1977                 clear_bit(pcm_idx, &spec->pcm_in_use);
1978                 pin_idx = hinfo_to_pin_index(codec, hinfo);
1979                 if (spec->dyn_pcm_assign && pin_idx < 0)
1980                         goto unlock;
1981
1982                 if (snd_BUG_ON(pin_idx < 0)) {
1983                         err = -EINVAL;
1984                         goto unlock;
1985                 }
1986                 per_pin = get_pin(spec, pin_idx);
1987
1988                 if (spec->dyn_pin_out) {
1989                         snd_hda_set_dev_select(codec, per_pin->pin_nid,
1990                                                per_pin->dev_id);
1991                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1992                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1993                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1994                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1995                                             pinctl & ~PIN_OUT);
1996                 }
1997
1998                 mutex_lock(&per_pin->lock);
1999                 per_pin->chmap_set = false;
2000                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
2001
2002                 per_pin->setup = false;
2003                 per_pin->channels = 0;
2004                 mutex_unlock(&per_pin->lock);
2005         unlock:
2006                 mutex_unlock(&spec->pcm_lock);
2007         }
2008
2009         return err;
2010 }
2011
2012 static const struct hda_pcm_ops generic_ops = {
2013         .open = hdmi_pcm_open,
2014         .close = hdmi_pcm_close,
2015         .prepare = generic_hdmi_playback_pcm_prepare,
2016         .cleanup = generic_hdmi_playback_pcm_cleanup,
2017 };
2018
2019 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
2020 {
2021         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
2022         struct hdmi_spec *spec = codec->spec;
2023         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2024
2025         if (!per_pin)
2026                 return 0;
2027
2028         return per_pin->sink_eld.info.spk_alloc;
2029 }
2030
2031 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
2032                                         unsigned char *chmap)
2033 {
2034         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
2035         struct hdmi_spec *spec = codec->spec;
2036         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2037
2038         /* chmap is already set to 0 in caller */
2039         if (!per_pin)
2040                 return;
2041
2042         memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
2043 }
2044
2045 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
2046                                 unsigned char *chmap, int prepared)
2047 {
2048         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
2049         struct hdmi_spec *spec = codec->spec;
2050         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2051
2052         if (!per_pin)
2053                 return;
2054         mutex_lock(&per_pin->lock);
2055         per_pin->chmap_set = true;
2056         memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
2057         if (prepared)
2058                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2059         mutex_unlock(&per_pin->lock);
2060 }
2061
2062 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
2063 {
2064         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
2065         struct hdmi_spec *spec = codec->spec;
2066         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2067
2068         return per_pin ? true:false;
2069 }
2070
2071 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2072 {
2073         struct hdmi_spec *spec = codec->spec;
2074         int idx, pcm_num;
2075
2076         /*
2077          * for non-mst mode, pcm number is the same as before
2078          * for DP MST mode without extra PCM, pcm number is same
2079          * for DP MST mode with extra PCMs, pcm number is
2080          *  (nid number + dev_num - 1)
2081          * dev_num is the device entry number in a pin
2082          */
2083
2084         if (codec->mst_no_extra_pcms)
2085                 pcm_num = spec->num_nids;
2086         else
2087                 pcm_num = spec->num_nids + spec->dev_num - 1;
2088
2089         codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num);
2090
2091         for (idx = 0; idx < pcm_num; idx++) {
2092                 struct hda_pcm *info;
2093                 struct hda_pcm_stream *pstr;
2094
2095                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx);
2096                 if (!info)
2097                         return -ENOMEM;
2098
2099                 spec->pcm_rec[idx].pcm = info;
2100                 spec->pcm_used++;
2101                 info->pcm_type = HDA_PCM_TYPE_HDMI;
2102                 info->own_chmap = true;
2103
2104                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2105                 pstr->substreams = 1;
2106                 pstr->ops = generic_ops;
2107                 /* pcm number is less than 16 */
2108                 if (spec->pcm_used >= 16)
2109                         break;
2110                 /* other pstr fields are set in open */
2111         }
2112
2113         return 0;
2114 }
2115
2116 static void free_hdmi_jack_priv(struct snd_jack *jack)
2117 {
2118         struct hdmi_pcm *pcm = jack->private_data;
2119
2120         pcm->jack = NULL;
2121 }
2122
2123 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
2124 {
2125         char hdmi_str[32] = "HDMI/DP";
2126         struct hdmi_spec *spec = codec->spec;
2127         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pcm_idx);
2128         struct snd_jack *jack;
2129         int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
2130         int err;
2131
2132         if (pcmdev > 0)
2133                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2134         if (!spec->dyn_pcm_assign &&
2135             !is_jack_detectable(codec, per_pin->pin_nid))
2136                 strncat(hdmi_str, " Phantom",
2137                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2138
2139         err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack,
2140                            true, false);
2141         if (err < 0)
2142                 return err;
2143
2144         spec->pcm_rec[pcm_idx].jack = jack;
2145         jack->private_data = &spec->pcm_rec[pcm_idx];
2146         jack->private_free = free_hdmi_jack_priv;
2147         return 0;
2148 }
2149
2150 static int generic_hdmi_build_controls(struct hda_codec *codec)
2151 {
2152         struct hdmi_spec *spec = codec->spec;
2153         int dev, err;
2154         int pin_idx, pcm_idx;
2155
2156         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2157                 if (!get_pcm_rec(spec, pcm_idx)->pcm) {
2158                         /* no PCM: mark this for skipping permanently */
2159                         set_bit(pcm_idx, &spec->pcm_bitmap);
2160                         continue;
2161                 }
2162
2163                 err = generic_hdmi_build_jack(codec, pcm_idx);
2164                 if (err < 0)
2165                         return err;
2166
2167                 /* create the spdif for each pcm
2168                  * pin will be bound when monitor is connected
2169                  */
2170                 if (spec->dyn_pcm_assign)
2171                         err = snd_hda_create_dig_out_ctls(codec,
2172                                           0, spec->cvt_nids[0],
2173                                           HDA_PCM_TYPE_HDMI);
2174                 else {
2175                         struct hdmi_spec_per_pin *per_pin =
2176                                 get_pin(spec, pcm_idx);
2177                         err = snd_hda_create_dig_out_ctls(codec,
2178                                                   per_pin->pin_nid,
2179                                                   per_pin->mux_nids[0],
2180                                                   HDA_PCM_TYPE_HDMI);
2181                 }
2182                 if (err < 0)
2183                         return err;
2184                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2185
2186                 dev = get_pcm_rec(spec, pcm_idx)->device;
2187                 if (dev != SNDRV_PCM_INVALID_DEVICE) {
2188                         /* add control for ELD Bytes */
2189                         err = hdmi_create_eld_ctl(codec, pcm_idx, dev);
2190                         if (err < 0)
2191                                 return err;
2192                 }
2193         }
2194
2195         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2196                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2197
2198                 hdmi_present_sense(per_pin, 0);
2199         }
2200
2201         /* add channel maps */
2202         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2203                 struct hda_pcm *pcm;
2204
2205                 pcm = get_pcm_rec(spec, pcm_idx);
2206                 if (!pcm || !pcm->pcm)
2207                         break;
2208                 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2209                 if (err < 0)
2210                         return err;
2211         }
2212
2213         return 0;
2214 }
2215
2216 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2217 {
2218         struct hdmi_spec *spec = codec->spec;
2219         int pin_idx;
2220
2221         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2222                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2223
2224                 per_pin->codec = codec;
2225                 mutex_init(&per_pin->lock);
2226                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2227                 eld_proc_new(per_pin, pin_idx);
2228         }
2229         return 0;
2230 }
2231
2232 static int generic_hdmi_init(struct hda_codec *codec)
2233 {
2234         struct hdmi_spec *spec = codec->spec;
2235         int pin_idx;
2236
2237         mutex_lock(&spec->bind_lock);
2238         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2239                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2240                 hda_nid_t pin_nid = per_pin->pin_nid;
2241                 int dev_id = per_pin->dev_id;
2242
2243                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
2244                 hdmi_init_pin(codec, pin_nid);
2245                 if (codec_has_acomp(codec))
2246                         continue;
2247                 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id,
2248                                                         jack_callback);
2249         }
2250         mutex_unlock(&spec->bind_lock);
2251         return 0;
2252 }
2253
2254 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2255 {
2256         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2257         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2258 }
2259
2260 static void hdmi_array_free(struct hdmi_spec *spec)
2261 {
2262         snd_array_free(&spec->pins);
2263         snd_array_free(&spec->cvts);
2264 }
2265
2266 static void generic_spec_free(struct hda_codec *codec)
2267 {
2268         struct hdmi_spec *spec = codec->spec;
2269
2270         if (spec) {
2271                 hdmi_array_free(spec);
2272                 kfree(spec);
2273                 codec->spec = NULL;
2274         }
2275         codec->dp_mst = false;
2276 }
2277
2278 static void generic_hdmi_free(struct hda_codec *codec)
2279 {
2280         struct hdmi_spec *spec = codec->spec;
2281         int pin_idx, pcm_idx;
2282
2283         if (spec->acomp_registered) {
2284                 snd_hdac_acomp_exit(&codec->bus->core);
2285         } else if (codec_has_acomp(codec)) {
2286                 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL);
2287         }
2288         codec->relaxed_resume = 0;
2289
2290         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2291                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2292                 cancel_delayed_work_sync(&per_pin->work);
2293                 eld_proc_free(per_pin);
2294         }
2295
2296         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2297                 if (spec->pcm_rec[pcm_idx].jack == NULL)
2298                         continue;
2299                 if (spec->dyn_pcm_assign)
2300                         snd_device_free(codec->card,
2301                                         spec->pcm_rec[pcm_idx].jack);
2302                 else
2303                         spec->pcm_rec[pcm_idx].jack = NULL;
2304         }
2305
2306         generic_spec_free(codec);
2307 }
2308
2309 #ifdef CONFIG_PM
2310 static int generic_hdmi_resume(struct hda_codec *codec)
2311 {
2312         struct hdmi_spec *spec = codec->spec;
2313         int pin_idx;
2314
2315         codec->patch_ops.init(codec);
2316         snd_hda_regmap_sync(codec);
2317
2318         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2319                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2320                 hdmi_present_sense(per_pin, 1);
2321         }
2322         return 0;
2323 }
2324 #endif
2325
2326 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2327         .init                   = generic_hdmi_init,
2328         .free                   = generic_hdmi_free,
2329         .build_pcms             = generic_hdmi_build_pcms,
2330         .build_controls         = generic_hdmi_build_controls,
2331         .unsol_event            = hdmi_unsol_event,
2332 #ifdef CONFIG_PM
2333         .resume                 = generic_hdmi_resume,
2334 #endif
2335 };
2336
2337 static const struct hdmi_ops generic_standard_hdmi_ops = {
2338         .pin_get_eld                            = hdmi_pin_get_eld,
2339         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2340         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2341         .setup_stream                           = hdmi_setup_stream,
2342 };
2343
2344 /* allocate codec->spec and assign/initialize generic parser ops */
2345 static int alloc_generic_hdmi(struct hda_codec *codec)
2346 {
2347         struct hdmi_spec *spec;
2348
2349         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2350         if (!spec)
2351                 return -ENOMEM;
2352
2353         spec->codec = codec;
2354         spec->ops = generic_standard_hdmi_ops;
2355         spec->dev_num = 1;      /* initialize to 1 */
2356         mutex_init(&spec->pcm_lock);
2357         mutex_init(&spec->bind_lock);
2358         snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2359
2360         spec->chmap.ops.get_chmap = hdmi_get_chmap;
2361         spec->chmap.ops.set_chmap = hdmi_set_chmap;
2362         spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2363         spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc,
2364
2365         codec->spec = spec;
2366         hdmi_array_init(spec, 4);
2367
2368         codec->patch_ops = generic_hdmi_patch_ops;
2369
2370         return 0;
2371 }
2372
2373 /* generic HDMI parser */
2374 static int patch_generic_hdmi(struct hda_codec *codec)
2375 {
2376         int err;
2377
2378         err = alloc_generic_hdmi(codec);
2379         if (err < 0)
2380                 return err;
2381
2382         err = hdmi_parse_codec(codec);
2383         if (err < 0) {
2384                 generic_spec_free(codec);
2385                 return err;
2386         }
2387
2388         generic_hdmi_init_per_pins(codec);
2389         return 0;
2390 }
2391
2392 /*
2393  * generic audio component binding
2394  */
2395
2396 /* turn on / off the unsol event jack detection dynamically */
2397 static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid,
2398                                   int dev_id, bool use_acomp)
2399 {
2400         struct hda_jack_tbl *tbl;
2401
2402         tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
2403         if (tbl) {
2404                 /* clear unsol even if component notifier is used, or re-enable
2405                  * if notifier is cleared
2406                  */
2407                 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag);
2408                 snd_hda_codec_write_cache(codec, nid, 0,
2409                                           AC_VERB_SET_UNSOLICITED_ENABLE, val);
2410         }
2411 }
2412
2413 /* set up / clear component notifier dynamically */
2414 static void generic_acomp_notifier_set(struct drm_audio_component *acomp,
2415                                        bool use_acomp)
2416 {
2417         struct hdmi_spec *spec;
2418         int i;
2419
2420         spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops);
2421         mutex_lock(&spec->bind_lock);
2422         spec->use_acomp_notifier = use_acomp;
2423         spec->codec->relaxed_resume = use_acomp;
2424         /* reprogram each jack detection logic depending on the notifier */
2425         for (i = 0; i < spec->num_pins; i++)
2426                 reprogram_jack_detect(spec->codec,
2427                                       get_pin(spec, i)->pin_nid,
2428                                       get_pin(spec, i)->dev_id,
2429                                       use_acomp);
2430         mutex_unlock(&spec->bind_lock);
2431 }
2432
2433 /* enable / disable the notifier via master bind / unbind */
2434 static int generic_acomp_master_bind(struct device *dev,
2435                                      struct drm_audio_component *acomp)
2436 {
2437         generic_acomp_notifier_set(acomp, true);
2438         return 0;
2439 }
2440
2441 static void generic_acomp_master_unbind(struct device *dev,
2442                                         struct drm_audio_component *acomp)
2443 {
2444         generic_acomp_notifier_set(acomp, false);
2445 }
2446
2447 /* check whether both HD-audio and DRM PCI devices belong to the same bus */
2448 static int match_bound_vga(struct device *dev, int subtype, void *data)
2449 {
2450         struct hdac_bus *bus = data;
2451         struct pci_dev *pci, *master;
2452
2453         if (!dev_is_pci(dev) || !dev_is_pci(bus->dev))
2454                 return 0;
2455         master = to_pci_dev(bus->dev);
2456         pci = to_pci_dev(dev);
2457         return master->bus == pci->bus;
2458 }
2459
2460 /* audio component notifier for AMD/Nvidia HDMI codecs */
2461 static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id)
2462 {
2463         struct hda_codec *codec = audio_ptr;
2464         struct hdmi_spec *spec = codec->spec;
2465         hda_nid_t pin_nid = spec->port2pin(codec, port);
2466
2467         if (!pin_nid)
2468                 return;
2469         if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN)
2470                 return;
2471         /* skip notification during system suspend (but not in runtime PM);
2472          * the state will be updated at resume
2473          */
2474         if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2475                 return;
2476         /* ditto during suspend/resume process itself */
2477         if (snd_hdac_is_in_pm(&codec->core))
2478                 return;
2479
2480         check_presence_and_report(codec, pin_nid, dev_id);
2481 }
2482
2483 /* set up the private drm_audio_ops from the template */
2484 static void setup_drm_audio_ops(struct hda_codec *codec,
2485                                 const struct drm_audio_component_audio_ops *ops)
2486 {
2487         struct hdmi_spec *spec = codec->spec;
2488
2489         spec->drm_audio_ops.audio_ptr = codec;
2490         /* intel_audio_codec_enable() or intel_audio_codec_disable()
2491          * will call pin_eld_notify with using audio_ptr pointer
2492          * We need make sure audio_ptr is really setup
2493          */
2494         wmb();
2495         spec->drm_audio_ops.pin2port = ops->pin2port;
2496         spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify;
2497         spec->drm_audio_ops.master_bind = ops->master_bind;
2498         spec->drm_audio_ops.master_unbind = ops->master_unbind;
2499 }
2500
2501 /* initialize the generic HDMI audio component */
2502 static void generic_acomp_init(struct hda_codec *codec,
2503                                const struct drm_audio_component_audio_ops *ops,
2504                                int (*port2pin)(struct hda_codec *, int))
2505 {
2506         struct hdmi_spec *spec = codec->spec;
2507
2508         spec->port2pin = port2pin;
2509         setup_drm_audio_ops(codec, ops);
2510         if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops,
2511                                  match_bound_vga, 0)) {
2512                 spec->acomp_registered = true;
2513                 codec->bus->keep_power = 0;
2514         }
2515 }
2516
2517 /*
2518  * Intel codec parsers and helpers
2519  */
2520
2521 #define INTEL_GET_VENDOR_VERB   0xf81
2522 #define INTEL_SET_VENDOR_VERB   0x781
2523 #define INTEL_EN_DP12           0x02    /* enable DP 1.2 features */
2524 #define INTEL_EN_ALL_PIN_CVTS   0x01    /* enable 2nd & 3rd pins and convertors */
2525
2526 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2527                                           bool update_tree)
2528 {
2529         unsigned int vendor_param;
2530         struct hdmi_spec *spec = codec->spec;
2531
2532         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2533                                 INTEL_GET_VENDOR_VERB, 0);
2534         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2535                 return;
2536
2537         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2538         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2539                                 INTEL_SET_VENDOR_VERB, vendor_param);
2540         if (vendor_param == -1)
2541                 return;
2542
2543         if (update_tree)
2544                 snd_hda_codec_update_widgets(codec);
2545 }
2546
2547 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2548 {
2549         unsigned int vendor_param;
2550         struct hdmi_spec *spec = codec->spec;
2551
2552         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2553                                 INTEL_GET_VENDOR_VERB, 0);
2554         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2555                 return;
2556
2557         /* enable DP1.2 mode */
2558         vendor_param |= INTEL_EN_DP12;
2559         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2560         snd_hda_codec_write_cache(codec, spec->vendor_nid, 0,
2561                                 INTEL_SET_VENDOR_VERB, vendor_param);
2562 }
2563
2564 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2565  * Otherwise you may get severe h/w communication errors.
2566  */
2567 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2568                                 unsigned int power_state)
2569 {
2570         if (power_state == AC_PWRST_D0) {
2571                 intel_haswell_enable_all_pins(codec, false);
2572                 intel_haswell_fixup_enable_dp12(codec);
2573         }
2574
2575         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2576         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2577 }
2578
2579 /* There is a fixed mapping between audio pin node and display port.
2580  * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
2581  * Pin Widget 5 - PORT B (port = 1 in i915 driver)
2582  * Pin Widget 6 - PORT C (port = 2 in i915 driver)
2583  * Pin Widget 7 - PORT D (port = 3 in i915 driver)
2584  *
2585  * on VLV, ILK:
2586  * Pin Widget 4 - PORT B (port = 1 in i915 driver)
2587  * Pin Widget 5 - PORT C (port = 2 in i915 driver)
2588  * Pin Widget 6 - PORT D (port = 3 in i915 driver)
2589  */
2590 static int intel_base_nid(struct hda_codec *codec)
2591 {
2592         switch (codec->core.vendor_id) {
2593         case 0x80860054: /* ILK */
2594         case 0x80862804: /* ILK */
2595         case 0x80862882: /* VLV */
2596                 return 4;
2597         default:
2598                 return 5;
2599         }
2600 }
2601
2602 static int intel_pin2port(void *audio_ptr, int pin_nid)
2603 {
2604         struct hda_codec *codec = audio_ptr;
2605         struct hdmi_spec *spec = codec->spec;
2606         int base_nid, i;
2607
2608         if (!spec->port_num) {
2609                 base_nid = intel_base_nid(codec);
2610                 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
2611                         return -1;
2612                 return pin_nid - base_nid + 1;
2613         }
2614
2615         /*
2616          * looking for the pin number in the mapping table and return
2617          * the index which indicate the port number
2618          */
2619         for (i = 0; i < spec->port_num; i++) {
2620                 if (pin_nid == spec->port_map[i])
2621                         return i;
2622         }
2623
2624         codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid);
2625         return -1;
2626 }
2627
2628 static int intel_port2pin(struct hda_codec *codec, int port)
2629 {
2630         struct hdmi_spec *spec = codec->spec;
2631
2632         if (!spec->port_num) {
2633                 /* we assume only from port-B to port-D */
2634                 if (port < 1 || port > 3)
2635                         return 0;
2636                 return port + intel_base_nid(codec) - 1;
2637         }
2638
2639         if (port < 0 || port >= spec->port_num)
2640                 return 0;
2641         return spec->port_map[port];
2642 }
2643
2644 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
2645 {
2646         struct hda_codec *codec = audio_ptr;
2647         int pin_nid;
2648         int dev_id = pipe;
2649
2650         pin_nid = intel_port2pin(codec, port);
2651         if (!pin_nid)
2652                 return;
2653         /* skip notification during system suspend (but not in runtime PM);
2654          * the state will be updated at resume
2655          */
2656         if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2657                 return;
2658         /* ditto during suspend/resume process itself */
2659         if (snd_hdac_is_in_pm(&codec->core))
2660                 return;
2661
2662         snd_hdac_i915_set_bclk(&codec->bus->core);
2663         check_presence_and_report(codec, pin_nid, dev_id);
2664 }
2665
2666 static const struct drm_audio_component_audio_ops intel_audio_ops = {
2667         .pin2port = intel_pin2port,
2668         .pin_eld_notify = intel_pin_eld_notify,
2669 };
2670
2671 /* register i915 component pin_eld_notify callback */
2672 static void register_i915_notifier(struct hda_codec *codec)
2673 {
2674         struct hdmi_spec *spec = codec->spec;
2675
2676         spec->use_acomp_notifier = true;
2677         spec->port2pin = intel_port2pin;
2678         setup_drm_audio_ops(codec, &intel_audio_ops);
2679         snd_hdac_acomp_register_notifier(&codec->bus->core,
2680                                         &spec->drm_audio_ops);
2681         /* no need for forcible resume for jack check thanks to notifier */
2682         codec->relaxed_resume = 1;
2683 }
2684
2685 /* setup_stream ops override for HSW+ */
2686 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
2687                                  hda_nid_t pin_nid, int dev_id, u32 stream_tag,
2688                                  int format)
2689 {
2690         haswell_verify_D0(codec, cvt_nid, pin_nid);
2691         return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
2692                                  stream_tag, format);
2693 }
2694
2695 /* pin_cvt_fixup ops override for HSW+ and VLV+ */
2696 static void i915_pin_cvt_fixup(struct hda_codec *codec,
2697                                struct hdmi_spec_per_pin *per_pin,
2698                                hda_nid_t cvt_nid)
2699 {
2700         if (per_pin) {
2701                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
2702                                per_pin->dev_id);
2703                 intel_verify_pin_cvt_connect(codec, per_pin);
2704                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
2705                                      per_pin->dev_id, per_pin->mux_idx);
2706         } else {
2707                 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid);
2708         }
2709 }
2710
2711 /* precondition and allocation for Intel codecs */
2712 static int alloc_intel_hdmi(struct hda_codec *codec)
2713 {
2714         int err;
2715
2716         /* requires i915 binding */
2717         if (!codec->bus->core.audio_component) {
2718                 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
2719                 /* set probe_id here to prevent generic fallback binding */
2720                 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE;
2721                 return -ENODEV;
2722         }
2723
2724         err = alloc_generic_hdmi(codec);
2725         if (err < 0)
2726                 return err;
2727         /* no need to handle unsol events */
2728         codec->patch_ops.unsol_event = NULL;
2729         return 0;
2730 }
2731
2732 /* parse and post-process for Intel codecs */
2733 static int parse_intel_hdmi(struct hda_codec *codec)
2734 {
2735         int err, retries = 3;
2736
2737         do {
2738                 err = hdmi_parse_codec(codec);
2739         } while (err < 0 && retries--);
2740
2741         if (err < 0) {
2742                 generic_spec_free(codec);
2743                 return err;
2744         }
2745
2746         generic_hdmi_init_per_pins(codec);
2747         register_i915_notifier(codec);
2748         return 0;
2749 }
2750
2751 /* Intel Haswell and onwards; audio component with eld notifier */
2752 static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid,
2753                                  const int *port_map, int port_num)
2754 {
2755         struct hdmi_spec *spec;
2756         int err;
2757
2758         err = alloc_intel_hdmi(codec);
2759         if (err < 0)
2760                 return err;
2761         spec = codec->spec;
2762         codec->dp_mst = true;
2763         spec->dyn_pcm_assign = true;
2764         spec->vendor_nid = vendor_nid;
2765         spec->port_map = port_map;
2766         spec->port_num = port_num;
2767         spec->intel_hsw_fixup = true;
2768
2769         intel_haswell_enable_all_pins(codec, true);
2770         intel_haswell_fixup_enable_dp12(codec);
2771
2772         codec->display_power_control = 1;
2773
2774         codec->patch_ops.set_power_state = haswell_set_power_state;
2775         codec->depop_delay = 0;
2776         codec->auto_runtime_pm = 1;
2777
2778         spec->ops.setup_stream = i915_hsw_setup_stream;
2779         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
2780
2781         return parse_intel_hdmi(codec);
2782 }
2783
2784 static int patch_i915_hsw_hdmi(struct hda_codec *codec)
2785 {
2786         return intel_hsw_common_init(codec, 0x08, NULL, 0);
2787 }
2788
2789 static int patch_i915_glk_hdmi(struct hda_codec *codec)
2790 {
2791         return intel_hsw_common_init(codec, 0x0b, NULL, 0);
2792 }
2793
2794 static int patch_i915_icl_hdmi(struct hda_codec *codec)
2795 {
2796         /*
2797          * pin to port mapping table where the value indicate the pin number and
2798          * the index indicate the port number.
2799          */
2800         static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb};
2801
2802         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
2803 }
2804
2805 static int patch_i915_tgl_hdmi(struct hda_codec *codec)
2806 {
2807         /*
2808          * pin to port mapping table where the value indicate the pin number and
2809          * the index indicate the port number.
2810          */
2811         static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
2812
2813         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
2814 }
2815
2816 /* Intel Baytrail and Braswell; with eld notifier */
2817 static int patch_i915_byt_hdmi(struct hda_codec *codec)
2818 {
2819         struct hdmi_spec *spec;
2820         int err;
2821
2822         err = alloc_intel_hdmi(codec);
2823         if (err < 0)
2824                 return err;
2825         spec = codec->spec;
2826
2827         /* For Valleyview/Cherryview, only the display codec is in the display
2828          * power well and can use link_power ops to request/release the power.
2829          */
2830         codec->display_power_control = 1;
2831
2832         codec->depop_delay = 0;
2833         codec->auto_runtime_pm = 1;
2834
2835         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
2836
2837         return parse_intel_hdmi(codec);
2838 }
2839
2840 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
2841 static int patch_i915_cpt_hdmi(struct hda_codec *codec)
2842 {
2843         int err;
2844
2845         err = alloc_intel_hdmi(codec);
2846         if (err < 0)
2847                 return err;
2848         return parse_intel_hdmi(codec);
2849 }
2850
2851 /*
2852  * Shared non-generic implementations
2853  */
2854
2855 static int simple_playback_build_pcms(struct hda_codec *codec)
2856 {
2857         struct hdmi_spec *spec = codec->spec;
2858         struct hda_pcm *info;
2859         unsigned int chans;
2860         struct hda_pcm_stream *pstr;
2861         struct hdmi_spec_per_cvt *per_cvt;
2862
2863         per_cvt = get_cvt(spec, 0);
2864         chans = get_wcaps(codec, per_cvt->cvt_nid);
2865         chans = get_wcaps_channels(chans);
2866
2867         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2868         if (!info)
2869                 return -ENOMEM;
2870         spec->pcm_rec[0].pcm = info;
2871         info->pcm_type = HDA_PCM_TYPE_HDMI;
2872         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2873         *pstr = spec->pcm_playback;
2874         pstr->nid = per_cvt->cvt_nid;
2875         if (pstr->channels_max <= 2 && chans && chans <= 16)
2876                 pstr->channels_max = chans;
2877
2878         return 0;
2879 }
2880
2881 /* unsolicited event for jack sensing */
2882 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2883                                     unsigned int res)
2884 {
2885         snd_hda_jack_set_dirty_all(codec);
2886         snd_hda_jack_report_sync(codec);
2887 }
2888
2889 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2890  * as long as spec->pins[] is set correctly
2891  */
2892 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2893
2894 static int simple_playback_build_controls(struct hda_codec *codec)
2895 {
2896         struct hdmi_spec *spec = codec->spec;
2897         struct hdmi_spec_per_cvt *per_cvt;
2898         int err;
2899
2900         per_cvt = get_cvt(spec, 0);
2901         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2902                                           per_cvt->cvt_nid,
2903                                           HDA_PCM_TYPE_HDMI);
2904         if (err < 0)
2905                 return err;
2906         return simple_hdmi_build_jack(codec, 0);
2907 }
2908
2909 static int simple_playback_init(struct hda_codec *codec)
2910 {
2911         struct hdmi_spec *spec = codec->spec;
2912         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2913         hda_nid_t pin = per_pin->pin_nid;
2914
2915         snd_hda_codec_write(codec, pin, 0,
2916                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2917         /* some codecs require to unmute the pin */
2918         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2919                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2920                                     AMP_OUT_UNMUTE);
2921         snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id);
2922         return 0;
2923 }
2924
2925 static void simple_playback_free(struct hda_codec *codec)
2926 {
2927         struct hdmi_spec *spec = codec->spec;
2928
2929         hdmi_array_free(spec);
2930         kfree(spec);
2931 }
2932
2933 /*
2934  * Nvidia specific implementations
2935  */
2936
2937 #define Nv_VERB_SET_Channel_Allocation          0xF79
2938 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2939 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2940 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2941
2942 #define nvhdmi_master_con_nid_7x        0x04
2943 #define nvhdmi_master_pin_nid_7x        0x05
2944
2945 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2946         /*front, rear, clfe, rear_surr */
2947         0x6, 0x8, 0xa, 0xc,
2948 };
2949
2950 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2951         /* set audio protect on */
2952         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2953         /* enable digital output on pin widget */
2954         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2955         {} /* terminator */
2956 };
2957
2958 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2959         /* set audio protect on */
2960         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2961         /* enable digital output on pin widget */
2962         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2963         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2964         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2965         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2966         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2967         {} /* terminator */
2968 };
2969
2970 #ifdef LIMITED_RATE_FMT_SUPPORT
2971 /* support only the safe format and rate */
2972 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2973 #define SUPPORTED_MAXBPS        16
2974 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2975 #else
2976 /* support all rates and formats */
2977 #define SUPPORTED_RATES \
2978         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2979         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2980          SNDRV_PCM_RATE_192000)
2981 #define SUPPORTED_MAXBPS        24
2982 #define SUPPORTED_FORMATS \
2983         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2984 #endif
2985
2986 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2987 {
2988         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2989         return 0;
2990 }
2991
2992 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2993 {
2994         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2995         return 0;
2996 }
2997
2998 static const unsigned int channels_2_6_8[] = {
2999         2, 6, 8
3000 };
3001
3002 static const unsigned int channels_2_8[] = {
3003         2, 8
3004 };
3005
3006 static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
3007         .count = ARRAY_SIZE(channels_2_6_8),
3008         .list = channels_2_6_8,
3009         .mask = 0,
3010 };
3011
3012 static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
3013         .count = ARRAY_SIZE(channels_2_8),
3014         .list = channels_2_8,
3015         .mask = 0,
3016 };
3017
3018 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
3019                                     struct hda_codec *codec,
3020                                     struct snd_pcm_substream *substream)
3021 {
3022         struct hdmi_spec *spec = codec->spec;
3023         const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
3024
3025         switch (codec->preset->vendor_id) {
3026         case 0x10de0002:
3027         case 0x10de0003:
3028         case 0x10de0005:
3029         case 0x10de0006:
3030                 hw_constraints_channels = &hw_constraints_2_8_channels;
3031                 break;
3032         case 0x10de0007:
3033                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
3034                 break;
3035         default:
3036                 break;
3037         }
3038
3039         if (hw_constraints_channels != NULL) {
3040                 snd_pcm_hw_constraint_list(substream->runtime, 0,
3041                                 SNDRV_PCM_HW_PARAM_CHANNELS,
3042                                 hw_constraints_channels);
3043         } else {
3044                 snd_pcm_hw_constraint_step(substream->runtime, 0,
3045                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3046         }
3047
3048         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
3049 }
3050
3051 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
3052                                      struct hda_codec *codec,
3053                                      struct snd_pcm_substream *substream)
3054 {
3055         struct hdmi_spec *spec = codec->spec;
3056         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3057 }
3058
3059 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
3060                                        struct hda_codec *codec,
3061                                        unsigned int stream_tag,
3062                                        unsigned int format,
3063                                        struct snd_pcm_substream *substream)
3064 {
3065         struct hdmi_spec *spec = codec->spec;
3066         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
3067                                              stream_tag, format, substream);
3068 }
3069
3070 static const struct hda_pcm_stream simple_pcm_playback = {
3071         .substreams = 1,
3072         .channels_min = 2,
3073         .channels_max = 2,
3074         .ops = {
3075                 .open = simple_playback_pcm_open,
3076                 .close = simple_playback_pcm_close,
3077                 .prepare = simple_playback_pcm_prepare
3078         },
3079 };
3080
3081 static const struct hda_codec_ops simple_hdmi_patch_ops = {
3082         .build_controls = simple_playback_build_controls,
3083         .build_pcms = simple_playback_build_pcms,
3084         .init = simple_playback_init,
3085         .free = simple_playback_free,
3086         .unsol_event = simple_hdmi_unsol_event,
3087 };
3088
3089 static int patch_simple_hdmi(struct hda_codec *codec,
3090                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
3091 {
3092         struct hdmi_spec *spec;
3093         struct hdmi_spec_per_cvt *per_cvt;
3094         struct hdmi_spec_per_pin *per_pin;
3095
3096         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
3097         if (!spec)
3098                 return -ENOMEM;
3099
3100         spec->codec = codec;
3101         codec->spec = spec;
3102         hdmi_array_init(spec, 1);
3103
3104         spec->multiout.num_dacs = 0;  /* no analog */
3105         spec->multiout.max_channels = 2;
3106         spec->multiout.dig_out_nid = cvt_nid;
3107         spec->num_cvts = 1;
3108         spec->num_pins = 1;
3109         per_pin = snd_array_new(&spec->pins);
3110         per_cvt = snd_array_new(&spec->cvts);
3111         if (!per_pin || !per_cvt) {
3112                 simple_playback_free(codec);
3113                 return -ENOMEM;
3114         }
3115         per_cvt->cvt_nid = cvt_nid;
3116         per_pin->pin_nid = pin_nid;
3117         spec->pcm_playback = simple_pcm_playback;
3118
3119         codec->patch_ops = simple_hdmi_patch_ops;
3120
3121         return 0;
3122 }
3123
3124 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
3125                                                     int channels)
3126 {
3127         unsigned int chanmask;
3128         int chan = channels ? (channels - 1) : 1;
3129
3130         switch (channels) {
3131         default:
3132         case 0:
3133         case 2:
3134                 chanmask = 0x00;
3135                 break;
3136         case 4:
3137                 chanmask = 0x08;
3138                 break;
3139         case 6:
3140                 chanmask = 0x0b;
3141                 break;
3142         case 8:
3143                 chanmask = 0x13;
3144                 break;
3145         }
3146
3147         /* Set the audio infoframe channel allocation and checksum fields.  The
3148          * channel count is computed implicitly by the hardware. */
3149         snd_hda_codec_write(codec, 0x1, 0,
3150                         Nv_VERB_SET_Channel_Allocation, chanmask);
3151
3152         snd_hda_codec_write(codec, 0x1, 0,
3153                         Nv_VERB_SET_Info_Frame_Checksum,
3154                         (0x71 - chan - chanmask));
3155 }
3156
3157 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
3158                                    struct hda_codec *codec,
3159                                    struct snd_pcm_substream *substream)
3160 {
3161         struct hdmi_spec *spec = codec->spec;
3162         int i;
3163
3164         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
3165                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
3166         for (i = 0; i < 4; i++) {
3167                 /* set the stream id */
3168                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3169                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
3170                 /* set the stream format */
3171                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3172                                 AC_VERB_SET_STREAM_FORMAT, 0);
3173         }
3174
3175         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
3176          * streams are disabled. */
3177         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3178
3179         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3180 }
3181
3182 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
3183                                      struct hda_codec *codec,
3184                                      unsigned int stream_tag,
3185                                      unsigned int format,
3186                                      struct snd_pcm_substream *substream)
3187 {
3188         int chs;
3189         unsigned int dataDCC2, channel_id;
3190         int i;
3191         struct hdmi_spec *spec = codec->spec;
3192         struct hda_spdif_out *spdif;
3193         struct hdmi_spec_per_cvt *per_cvt;
3194
3195         mutex_lock(&codec->spdif_mutex);
3196         per_cvt = get_cvt(spec, 0);
3197         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
3198
3199         chs = substream->runtime->channels;
3200
3201         dataDCC2 = 0x2;
3202
3203         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
3204         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
3205                 snd_hda_codec_write(codec,
3206                                 nvhdmi_master_con_nid_7x,
3207                                 0,
3208                                 AC_VERB_SET_DIGI_CONVERT_1,
3209                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3210
3211         /* set the stream id */
3212         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3213                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
3214
3215         /* set the stream format */
3216         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3217                         AC_VERB_SET_STREAM_FORMAT, format);
3218
3219         /* turn on again (if needed) */
3220         /* enable and set the channel status audio/data flag */
3221         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
3222                 snd_hda_codec_write(codec,
3223                                 nvhdmi_master_con_nid_7x,
3224                                 0,
3225                                 AC_VERB_SET_DIGI_CONVERT_1,
3226                                 spdif->ctls & 0xff);
3227                 snd_hda_codec_write(codec,
3228                                 nvhdmi_master_con_nid_7x,
3229                                 0,
3230                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3231         }
3232
3233         for (i = 0; i < 4; i++) {
3234                 if (chs == 2)
3235                         channel_id = 0;
3236                 else
3237                         channel_id = i * 2;
3238
3239                 /* turn off SPDIF once;
3240                  *otherwise the IEC958 bits won't be updated
3241                  */
3242                 if (codec->spdif_status_reset &&
3243                 (spdif->ctls & AC_DIG1_ENABLE))
3244                         snd_hda_codec_write(codec,
3245                                 nvhdmi_con_nids_7x[i],
3246                                 0,
3247                                 AC_VERB_SET_DIGI_CONVERT_1,
3248                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3249                 /* set the stream id */
3250                 snd_hda_codec_write(codec,
3251                                 nvhdmi_con_nids_7x[i],
3252                                 0,
3253                                 AC_VERB_SET_CHANNEL_STREAMID,
3254                                 (stream_tag << 4) | channel_id);
3255                 /* set the stream format */
3256                 snd_hda_codec_write(codec,
3257                                 nvhdmi_con_nids_7x[i],
3258                                 0,
3259                                 AC_VERB_SET_STREAM_FORMAT,
3260                                 format);
3261                 /* turn on again (if needed) */
3262                 /* enable and set the channel status audio/data flag */
3263                 if (codec->spdif_status_reset &&
3264                 (spdif->ctls & AC_DIG1_ENABLE)) {
3265                         snd_hda_codec_write(codec,
3266                                         nvhdmi_con_nids_7x[i],
3267                                         0,
3268                                         AC_VERB_SET_DIGI_CONVERT_1,
3269                                         spdif->ctls & 0xff);
3270                         snd_hda_codec_write(codec,
3271                                         nvhdmi_con_nids_7x[i],
3272                                         0,
3273                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3274                 }
3275         }
3276
3277         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
3278
3279         mutex_unlock(&codec->spdif_mutex);
3280         return 0;
3281 }
3282
3283 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
3284         .substreams = 1,
3285         .channels_min = 2,
3286         .channels_max = 8,
3287         .nid = nvhdmi_master_con_nid_7x,
3288         .rates = SUPPORTED_RATES,
3289         .maxbps = SUPPORTED_MAXBPS,
3290         .formats = SUPPORTED_FORMATS,
3291         .ops = {
3292                 .open = simple_playback_pcm_open,
3293                 .close = nvhdmi_8ch_7x_pcm_close,
3294                 .prepare = nvhdmi_8ch_7x_pcm_prepare
3295         },
3296 };
3297
3298 static int patch_nvhdmi_2ch(struct hda_codec *codec)
3299 {
3300         struct hdmi_spec *spec;
3301         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
3302                                     nvhdmi_master_pin_nid_7x);
3303         if (err < 0)
3304                 return err;
3305
3306         codec->patch_ops.init = nvhdmi_7x_init_2ch;
3307         /* override the PCM rates, etc, as the codec doesn't give full list */
3308         spec = codec->spec;
3309         spec->pcm_playback.rates = SUPPORTED_RATES;
3310         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
3311         spec->pcm_playback.formats = SUPPORTED_FORMATS;
3312         return 0;
3313 }
3314
3315 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
3316 {
3317         struct hdmi_spec *spec = codec->spec;
3318         int err = simple_playback_build_pcms(codec);
3319         if (!err) {
3320                 struct hda_pcm *info = get_pcm_rec(spec, 0);
3321                 info->own_chmap = true;
3322         }
3323         return err;
3324 }
3325
3326 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
3327 {
3328         struct hdmi_spec *spec = codec->spec;
3329         struct hda_pcm *info;
3330         struct snd_pcm_chmap *chmap;
3331         int err;
3332
3333         err = simple_playback_build_controls(codec);
3334         if (err < 0)
3335                 return err;
3336
3337         /* add channel maps */
3338         info = get_pcm_rec(spec, 0);
3339         err = snd_pcm_add_chmap_ctls(info->pcm,
3340                                      SNDRV_PCM_STREAM_PLAYBACK,
3341                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
3342         if (err < 0)
3343                 return err;
3344         switch (codec->preset->vendor_id) {
3345         case 0x10de0002:
3346         case 0x10de0003:
3347         case 0x10de0005:
3348         case 0x10de0006:
3349                 chmap->channel_mask = (1U << 2) | (1U << 8);
3350                 break;
3351         case 0x10de0007:
3352                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
3353         }
3354         return 0;
3355 }
3356
3357 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
3358 {
3359         struct hdmi_spec *spec;
3360         int err = patch_nvhdmi_2ch(codec);
3361         if (err < 0)
3362                 return err;
3363         spec = codec->spec;
3364         spec->multiout.max_channels = 8;
3365         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
3366         codec->patch_ops.init = nvhdmi_7x_init_8ch;
3367         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
3368         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
3369
3370         /* Initialize the audio infoframe channel mask and checksum to something
3371          * valid */
3372         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3373
3374         return 0;
3375 }
3376
3377 /*
3378  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
3379  * - 0x10de0015
3380  * - 0x10de0040
3381  */
3382 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
3383                 struct hdac_cea_channel_speaker_allocation *cap, int channels)
3384 {
3385         if (cap->ca_index == 0x00 && channels == 2)
3386                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
3387
3388         /* If the speaker allocation matches the channel count, it is OK. */
3389         if (cap->channels != channels)
3390                 return -1;
3391
3392         /* all channels are remappable freely */
3393         return SNDRV_CTL_TLVT_CHMAP_VAR;
3394 }
3395
3396 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
3397                 int ca, int chs, unsigned char *map)
3398 {
3399         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
3400                 return -EINVAL;
3401
3402         return 0;
3403 }
3404
3405 /* map from pin NID to port; port is 0-based */
3406 /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */
3407 static int nvhdmi_pin2port(void *audio_ptr, int pin_nid)
3408 {
3409         return pin_nid - 4;
3410 }
3411
3412 /* reverse-map from port to pin NID: see above */
3413 static int nvhdmi_port2pin(struct hda_codec *codec, int port)
3414 {
3415         return port + 4;
3416 }
3417
3418 static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = {
3419         .pin2port = nvhdmi_pin2port,
3420         .pin_eld_notify = generic_acomp_pin_eld_notify,
3421         .master_bind = generic_acomp_master_bind,
3422         .master_unbind = generic_acomp_master_unbind,
3423 };
3424
3425 static int patch_nvhdmi(struct hda_codec *codec)
3426 {
3427         struct hdmi_spec *spec;
3428         int err;
3429
3430         err = alloc_generic_hdmi(codec);
3431         if (err < 0)
3432                 return err;
3433         codec->dp_mst = true;
3434
3435         spec = codec->spec;
3436         spec->dyn_pcm_assign = true;
3437
3438         err = hdmi_parse_codec(codec);
3439         if (err < 0) {
3440                 generic_spec_free(codec);
3441                 return err;
3442         }
3443
3444         generic_hdmi_init_per_pins(codec);
3445
3446         spec->dyn_pin_out = true;
3447
3448         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3449                 nvhdmi_chmap_cea_alloc_validate_get_type;
3450         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3451
3452         codec->link_down_at_suspend = 1;
3453
3454         generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin);
3455
3456         return 0;
3457 }
3458
3459 static int patch_nvhdmi_legacy(struct hda_codec *codec)
3460 {
3461         struct hdmi_spec *spec;
3462         int err;
3463
3464         err = patch_generic_hdmi(codec);
3465         if (err)
3466                 return err;
3467
3468         spec = codec->spec;
3469         spec->dyn_pin_out = true;
3470
3471         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3472                 nvhdmi_chmap_cea_alloc_validate_get_type;
3473         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3474
3475         codec->link_down_at_suspend = 1;
3476
3477         return 0;
3478 }
3479
3480 /*
3481  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
3482  * accessed using vendor-defined verbs. These registers can be used for
3483  * interoperability between the HDA and HDMI drivers.
3484  */
3485
3486 /* Audio Function Group node */
3487 #define NVIDIA_AFG_NID 0x01
3488
3489 /*
3490  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
3491  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
3492  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
3493  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
3494  * additional bit (at position 30) to signal the validity of the format.
3495  *
3496  * | 31      | 30    | 29  16 | 15   0 |
3497  * +---------+-------+--------+--------+
3498  * | TRIGGER | VALID | UNUSED | FORMAT |
3499  * +-----------------------------------|
3500  *
3501  * Note that for the trigger bit to take effect it needs to change value
3502  * (i.e. it needs to be toggled).
3503  */
3504 #define NVIDIA_GET_SCRATCH0             0xfa6
3505 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
3506 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
3507 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
3508 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
3509 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
3510 #define NVIDIA_SCRATCH_VALID   (1 << 6)
3511
3512 #define NVIDIA_GET_SCRATCH1             0xfab
3513 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
3514 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
3515 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
3516 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
3517
3518 /*
3519  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
3520  * the format is invalidated so that the HDMI codec can be disabled.
3521  */
3522 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
3523 {
3524         unsigned int value;
3525
3526         /* bits [31:30] contain the trigger and valid bits */
3527         value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
3528                                    NVIDIA_GET_SCRATCH0, 0);
3529         value = (value >> 24) & 0xff;
3530
3531         /* bits [15:0] are used to store the HDA format */
3532         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3533                             NVIDIA_SET_SCRATCH0_BYTE0,
3534                             (format >> 0) & 0xff);
3535         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3536                             NVIDIA_SET_SCRATCH0_BYTE1,
3537                             (format >> 8) & 0xff);
3538
3539         /* bits [16:24] are unused */
3540         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3541                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
3542
3543         /*
3544          * Bit 30 signals that the data is valid and hence that HDMI audio can
3545          * be enabled.
3546          */
3547         if (format == 0)
3548                 value &= ~NVIDIA_SCRATCH_VALID;
3549         else
3550                 value |= NVIDIA_SCRATCH_VALID;
3551
3552         /*
3553          * Whenever the trigger bit is toggled, an interrupt is raised in the
3554          * HDMI codec. The HDMI driver will use that as trigger to update its
3555          * configuration.
3556          */
3557         value ^= NVIDIA_SCRATCH_TRIGGER;
3558
3559         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3560                             NVIDIA_SET_SCRATCH0_BYTE3, value);
3561 }
3562
3563 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3564                                   struct hda_codec *codec,
3565                                   unsigned int stream_tag,
3566                                   unsigned int format,
3567                                   struct snd_pcm_substream *substream)
3568 {
3569         int err;
3570
3571         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3572                                                 format, substream);
3573         if (err < 0)
3574                 return err;
3575
3576         /* notify the HDMI codec of the format change */
3577         tegra_hdmi_set_format(codec, format);
3578
3579         return 0;
3580 }
3581
3582 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3583                                   struct hda_codec *codec,
3584                                   struct snd_pcm_substream *substream)
3585 {
3586         /* invalidate the format in the HDMI codec */
3587         tegra_hdmi_set_format(codec, 0);
3588
3589         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3590 }
3591
3592 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3593 {
3594         struct hdmi_spec *spec = codec->spec;
3595         unsigned int i;
3596
3597         for (i = 0; i < spec->num_pins; i++) {
3598                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3599
3600                 if (pcm->pcm_type == type)
3601                         return pcm;
3602         }
3603
3604         return NULL;
3605 }
3606
3607 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3608 {
3609         struct hda_pcm_stream *stream;
3610         struct hda_pcm *pcm;
3611         int err;
3612
3613         err = generic_hdmi_build_pcms(codec);
3614         if (err < 0)
3615                 return err;
3616
3617         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3618         if (!pcm)
3619                 return -ENODEV;
3620
3621         /*
3622          * Override ->prepare() and ->cleanup() operations to notify the HDMI
3623          * codec about format changes.
3624          */
3625         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3626         stream->ops.prepare = tegra_hdmi_pcm_prepare;
3627         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3628
3629         return 0;
3630 }
3631
3632 static int patch_tegra_hdmi(struct hda_codec *codec)
3633 {
3634         int err;
3635
3636         err = patch_generic_hdmi(codec);
3637         if (err)
3638                 return err;
3639
3640         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3641
3642         return 0;
3643 }
3644
3645 /*
3646  * ATI/AMD-specific implementations
3647  */
3648
3649 #define is_amdhdmi_rev3_or_later(codec) \
3650         ((codec)->core.vendor_id == 0x1002aa01 && \
3651          ((codec)->core.revision_id & 0xff00) >= 0x0300)
3652 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3653
3654 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3655 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3656 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
3657 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
3658 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
3659 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
3660 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
3661 #define ATI_VERB_SET_HBR_CONTROL        0x77c
3662 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
3663 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
3664 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
3665 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
3666 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
3667 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3668 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
3669 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
3670 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
3671 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
3672 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
3673 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
3674 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
3675 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
3676 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
3677 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
3678 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
3679
3680 /* AMD specific HDA cvt verbs */
3681 #define ATI_VERB_SET_RAMP_RATE          0x770
3682 #define ATI_VERB_GET_RAMP_RATE          0xf70
3683
3684 #define ATI_OUT_ENABLE 0x1
3685
3686 #define ATI_MULTICHANNEL_MODE_PAIRED    0
3687 #define ATI_MULTICHANNEL_MODE_SINGLE    1
3688
3689 #define ATI_HBR_CAPABLE 0x01
3690 #define ATI_HBR_ENABLE 0x10
3691
3692 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3693                                int dev_id, unsigned char *buf, int *eld_size)
3694 {
3695         WARN_ON(dev_id != 0);
3696         /* call hda_eld.c ATI/AMD-specific function */
3697         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3698                                     is_amdhdmi_rev3_or_later(codec));
3699 }
3700
3701 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec,
3702                                         hda_nid_t pin_nid, int dev_id, int ca,
3703                                         int active_channels, int conn_type)
3704 {
3705         WARN_ON(dev_id != 0);
3706         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3707 }
3708
3709 static int atihdmi_paired_swap_fc_lfe(int pos)
3710 {
3711         /*
3712          * ATI/AMD have automatic FC/LFE swap built-in
3713          * when in pairwise mapping mode.
3714          */
3715
3716         switch (pos) {
3717                 /* see channel_allocations[].speakers[] */
3718                 case 2: return 3;
3719                 case 3: return 2;
3720                 default: break;
3721         }
3722
3723         return pos;
3724 }
3725
3726 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
3727                         int ca, int chs, unsigned char *map)
3728 {
3729         struct hdac_cea_channel_speaker_allocation *cap;
3730         int i, j;
3731
3732         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3733
3734         cap = snd_hdac_get_ch_alloc_from_ca(ca);
3735         for (i = 0; i < chs; ++i) {
3736                 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
3737                 bool ok = false;
3738                 bool companion_ok = false;
3739
3740                 if (!mask)
3741                         continue;
3742
3743                 for (j = 0 + i % 2; j < 8; j += 2) {
3744                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3745                         if (cap->speakers[chan_idx] == mask) {
3746                                 /* channel is in a supported position */
3747                                 ok = true;
3748
3749                                 if (i % 2 == 0 && i + 1 < chs) {
3750                                         /* even channel, check the odd companion */
3751                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3752                                         int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
3753                                         int comp_mask_act = cap->speakers[comp_chan_idx];
3754
3755                                         if (comp_mask_req == comp_mask_act)
3756                                                 companion_ok = true;
3757                                         else
3758                                                 return -EINVAL;
3759                                 }
3760                                 break;
3761                         }
3762                 }
3763
3764                 if (!ok)
3765                         return -EINVAL;
3766
3767                 if (companion_ok)
3768                         i++; /* companion channel already checked */
3769         }
3770
3771         return 0;
3772 }
3773
3774 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
3775                 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
3776 {
3777         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3778         int verb;
3779         int ati_channel_setup = 0;
3780
3781         if (hdmi_slot > 7)
3782                 return -EINVAL;
3783
3784         if (!has_amd_full_remap_support(codec)) {
3785                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3786
3787                 /* In case this is an odd slot but without stream channel, do not
3788                  * disable the slot since the corresponding even slot could have a
3789                  * channel. In case neither have a channel, the slot pair will be
3790                  * disabled when this function is called for the even slot. */
3791                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3792                         return 0;
3793
3794                 hdmi_slot -= hdmi_slot % 2;
3795
3796                 if (stream_channel != 0xf)
3797                         stream_channel -= stream_channel % 2;
3798         }
3799
3800         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3801
3802         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3803
3804         if (stream_channel != 0xf)
3805                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3806
3807         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3808 }
3809
3810 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
3811                                 hda_nid_t pin_nid, int asp_slot)
3812 {
3813         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3814         bool was_odd = false;
3815         int ati_asp_slot = asp_slot;
3816         int verb;
3817         int ati_channel_setup;
3818
3819         if (asp_slot > 7)
3820                 return -EINVAL;
3821
3822         if (!has_amd_full_remap_support(codec)) {
3823                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3824                 if (ati_asp_slot % 2 != 0) {
3825                         ati_asp_slot -= 1;
3826                         was_odd = true;
3827                 }
3828         }
3829
3830         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3831
3832         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3833
3834         if (!(ati_channel_setup & ATI_OUT_ENABLE))
3835                 return 0xf;
3836
3837         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3838 }
3839
3840 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
3841                 struct hdac_chmap *chmap,
3842                 struct hdac_cea_channel_speaker_allocation *cap,
3843                 int channels)
3844 {
3845         int c;
3846
3847         /*
3848          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3849          * we need to take that into account (a single channel may take 2
3850          * channel slots if we need to carry a silent channel next to it).
3851          * On Rev3+ AMD codecs this function is not used.
3852          */
3853         int chanpairs = 0;
3854
3855         /* We only produce even-numbered channel count TLVs */
3856         if ((channels % 2) != 0)
3857                 return -1;
3858
3859         for (c = 0; c < 7; c += 2) {
3860                 if (cap->speakers[c] || cap->speakers[c+1])
3861                         chanpairs++;
3862         }
3863
3864         if (chanpairs * 2 != channels)
3865                 return -1;
3866
3867         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3868 }
3869
3870 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
3871                 struct hdac_cea_channel_speaker_allocation *cap,
3872                 unsigned int *chmap, int channels)
3873 {
3874         /* produce paired maps for pre-rev3 ATI/AMD codecs */
3875         int count = 0;
3876         int c;
3877
3878         for (c = 7; c >= 0; c--) {
3879                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3880                 int spk = cap->speakers[chan];
3881                 if (!spk) {
3882                         /* add N/A channel if the companion channel is occupied */
3883                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3884                                 chmap[count++] = SNDRV_CHMAP_NA;
3885
3886                         continue;
3887                 }
3888
3889                 chmap[count++] = snd_hdac_spk_to_chmap(spk);
3890         }
3891
3892         WARN_ON(count != channels);
3893 }
3894
3895 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3896                                  int dev_id, bool hbr)
3897 {
3898         int hbr_ctl, hbr_ctl_new;
3899
3900         WARN_ON(dev_id != 0);
3901
3902         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3903         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3904                 if (hbr)
3905                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3906                 else
3907                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3908
3909                 codec_dbg(codec,
3910                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3911                                 pin_nid,
3912                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
3913                                 hbr_ctl_new);
3914
3915                 if (hbr_ctl != hbr_ctl_new)
3916                         snd_hda_codec_write(codec, pin_nid, 0,
3917                                                 ATI_VERB_SET_HBR_CONTROL,
3918                                                 hbr_ctl_new);
3919
3920         } else if (hbr)
3921                 return -EINVAL;
3922
3923         return 0;
3924 }
3925
3926 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3927                                 hda_nid_t pin_nid, int dev_id,
3928                                 u32 stream_tag, int format)
3929 {
3930         if (is_amdhdmi_rev3_or_later(codec)) {
3931                 int ramp_rate = 180; /* default as per AMD spec */
3932                 /* disable ramp-up/down for non-pcm as per AMD spec */
3933                 if (format & AC_FMT_TYPE_NON_PCM)
3934                         ramp_rate = 0;
3935
3936                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3937         }
3938
3939         return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
3940                                  stream_tag, format);
3941 }
3942
3943
3944 static int atihdmi_init(struct hda_codec *codec)
3945 {
3946         struct hdmi_spec *spec = codec->spec;
3947         int pin_idx, err;
3948
3949         err = generic_hdmi_init(codec);
3950
3951         if (err)
3952                 return err;
3953
3954         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3955                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3956
3957                 /* make sure downmix information in infoframe is zero */
3958                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3959
3960                 /* enable channel-wise remap mode if supported */
3961                 if (has_amd_full_remap_support(codec))
3962                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3963                                             ATI_VERB_SET_MULTICHANNEL_MODE,
3964                                             ATI_MULTICHANNEL_MODE_SINGLE);
3965         }
3966         codec->auto_runtime_pm = 1;
3967
3968         return 0;
3969 }
3970
3971 /* map from pin NID to port; port is 0-based */
3972 /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */
3973 static int atihdmi_pin2port(void *audio_ptr, int pin_nid)
3974 {
3975         return pin_nid / 2 - 1;
3976 }
3977
3978 /* reverse-map from port to pin NID: see above */
3979 static int atihdmi_port2pin(struct hda_codec *codec, int port)
3980 {
3981         return port * 2 + 3;
3982 }
3983
3984 static const struct drm_audio_component_audio_ops atihdmi_audio_ops = {
3985         .pin2port = atihdmi_pin2port,
3986         .pin_eld_notify = generic_acomp_pin_eld_notify,
3987         .master_bind = generic_acomp_master_bind,
3988         .master_unbind = generic_acomp_master_unbind,
3989 };
3990
3991 static int patch_atihdmi(struct hda_codec *codec)
3992 {
3993         struct hdmi_spec *spec;
3994         struct hdmi_spec_per_cvt *per_cvt;
3995         int err, cvt_idx;
3996
3997         err = patch_generic_hdmi(codec);
3998
3999         if (err)
4000                 return err;
4001
4002         codec->patch_ops.init = atihdmi_init;
4003
4004         spec = codec->spec;
4005
4006         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
4007         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
4008         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
4009         spec->ops.setup_stream = atihdmi_setup_stream;
4010
4011         spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
4012         spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
4013
4014         if (!has_amd_full_remap_support(codec)) {
4015                 /* override to ATI/AMD-specific versions with pairwise mapping */
4016                 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4017                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
4018                 spec->chmap.ops.cea_alloc_to_tlv_chmap =
4019                                 atihdmi_paired_cea_alloc_to_tlv_chmap;
4020                 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
4021         }
4022
4023         /* ATI/AMD converters do not advertise all of their capabilities */
4024         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
4025                 per_cvt = get_cvt(spec, cvt_idx);
4026                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
4027                 per_cvt->rates |= SUPPORTED_RATES;
4028                 per_cvt->formats |= SUPPORTED_FORMATS;
4029                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
4030         }
4031
4032         spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
4033
4034         /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
4035          * the link-down as is.  Tell the core to allow it.
4036          */
4037         codec->link_down_at_suspend = 1;
4038
4039         generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin);
4040
4041         return 0;
4042 }
4043
4044 /* VIA HDMI Implementation */
4045 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
4046 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
4047
4048 static int patch_via_hdmi(struct hda_codec *codec)
4049 {
4050         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
4051 }
4052
4053 /*
4054  * patch entries
4055  */
4056 static const struct hda_device_id snd_hda_id_hdmi[] = {
4057 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
4058 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
4059 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
4060 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
4061 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
4062 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
4063 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
4064 HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4065 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4066 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4067 HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI",      patch_nvhdmi_8ch_7x),
4068 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4069 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4070 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
4071 HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP",   patch_nvhdmi_legacy),
4072 HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP",   patch_nvhdmi_legacy),
4073 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi_legacy),
4074 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi_legacy),
4075 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi_legacy),
4076 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi_legacy),
4077 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi_legacy),
4078 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi_legacy),
4079 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi_legacy),
4080 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi_legacy),
4081 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi_legacy),
4082 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi_legacy),
4083 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi_legacy),
4084 /* 17 is known to be absent */
4085 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi_legacy),
4086 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi_legacy),
4087 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi_legacy),
4088 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi_legacy),
4089 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi_legacy),
4090 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
4091 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
4092 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
4093 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
4094 HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi),
4095 HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi),
4096 HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi),
4097 HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi),
4098 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
4099 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
4100 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
4101 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
4102 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
4103 HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP",   patch_nvhdmi),
4104 HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP",   patch_nvhdmi),
4105 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
4106 HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP",   patch_nvhdmi),
4107 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
4108 HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP",   patch_nvhdmi),
4109 HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP",   patch_nvhdmi),
4110 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
4111 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
4112 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
4113 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
4114 HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP",   patch_nvhdmi),
4115 HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP",   patch_nvhdmi),
4116 HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP",   patch_nvhdmi),
4117 HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP",   patch_nvhdmi),
4118 HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP",   patch_nvhdmi),
4119 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
4120 HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP",   patch_nvhdmi),
4121 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP",   patch_nvhdmi),
4122 HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP",   patch_nvhdmi),
4123 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",   patch_nvhdmi),
4124 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",   patch_nvhdmi),
4125 HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP",   patch_nvhdmi),
4126 HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP",   patch_nvhdmi),
4127 HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP",   patch_nvhdmi),
4128 HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP",   patch_nvhdmi),
4129 HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP",   patch_nvhdmi),
4130 HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP",   patch_nvhdmi),
4131 HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP",   patch_nvhdmi),
4132 HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP",   patch_nvhdmi),
4133 HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP",   patch_nvhdmi),
4134 HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP",   patch_nvhdmi),
4135 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4136 HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI",    patch_nvhdmi_2ch),
4137 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
4138 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
4139 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
4140 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
4141 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4142 HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",  patch_i915_glk_hdmi),
4143 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
4144 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
4145 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
4146 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4147 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi),
4148 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
4149 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_i915_hsw_hdmi),
4150 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_i915_hsw_hdmi),
4151 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_i915_hsw_hdmi),
4152 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_i915_hsw_hdmi),
4153 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_i915_hsw_hdmi),
4154 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI",  patch_i915_glk_hdmi),
4155 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",  patch_i915_glk_hdmi),
4156 HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI",     patch_i915_icl_hdmi),
4157 HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI",   patch_i915_tgl_hdmi),
4158 HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI",  patch_i915_icl_hdmi),
4159 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
4160 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
4161 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_i915_byt_hdmi),
4162 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
4163 /* special ID for generic HDMI */
4164 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
4165 {} /* terminator */
4166 };
4167 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
4168
4169 MODULE_LICENSE("GPL");
4170 MODULE_DESCRIPTION("HDMI HD-audio codec");
4171 MODULE_ALIAS("snd-hda-codec-intelhdmi");
4172 MODULE_ALIAS("snd-hda-codec-nvhdmi");
4173 MODULE_ALIAS("snd-hda-codec-atihdmi");
4174
4175 static struct hda_codec_driver hdmi_driver = {
4176         .id = snd_hda_id_hdmi,
4177 };
4178
4179 module_hda_codec_driver(hdmi_driver);