Merge tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[linux-block.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 static bool enable_acomp = true;
42 module_param(enable_acomp, bool, 0444);
43 MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)");
44
45 static bool enable_silent_stream =
46 IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM);
47 module_param(enable_silent_stream, bool, 0644);
48 MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices");
49
50 static bool enable_all_pins;
51 module_param(enable_all_pins, bool, 0444);
52 MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins");
53
54 struct hdmi_spec_per_cvt {
55         hda_nid_t cvt_nid;
56         bool assigned;          /* the stream has been assigned */
57         bool silent_stream;     /* silent stream activated */
58         unsigned int channels_min;
59         unsigned int channels_max;
60         u32 rates;
61         u64 formats;
62         unsigned int maxbps;
63 };
64
65 /* max. connections to a widget */
66 #define HDA_MAX_CONNECTIONS     32
67
68 struct hdmi_spec_per_pin {
69         hda_nid_t pin_nid;
70         int dev_id;
71         /* pin idx, different device entries on the same pin use the same idx */
72         int pin_nid_idx;
73         int num_mux_nids;
74         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
75         int mux_idx;
76         hda_nid_t cvt_nid;
77
78         struct hda_codec *codec;
79         struct hdmi_eld sink_eld;
80         struct mutex lock;
81         struct delayed_work work;
82         struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
83         int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
84         int prev_pcm_idx; /* previously assigned pcm index */
85         int repoll_count;
86         bool setup; /* the stream has been set up by prepare callback */
87         bool silent_stream;
88         int channels; /* current number of channels */
89         bool non_pcm;
90         bool chmap_set;         /* channel-map override by ALSA API? */
91         unsigned char chmap[8]; /* ALSA API channel-map */
92 #ifdef CONFIG_SND_PROC_FS
93         struct snd_info_entry *proc_entry;
94 #endif
95 };
96
97 /* operations used by generic code that can be overridden by patches */
98 struct hdmi_ops {
99         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
100                            int dev_id, unsigned char *buf, int *eld_size);
101
102         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
103                                     int dev_id,
104                                     int ca, int active_channels, int conn_type);
105
106         /* enable/disable HBR (HD passthrough) */
107         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid,
108                              int dev_id, bool hbr);
109
110         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
111                             hda_nid_t pin_nid, int dev_id, u32 stream_tag,
112                             int format);
113
114         void (*pin_cvt_fixup)(struct hda_codec *codec,
115                               struct hdmi_spec_per_pin *per_pin,
116                               hda_nid_t cvt_nid);
117 };
118
119 struct hdmi_pcm {
120         struct hda_pcm *pcm;
121         struct snd_jack *jack;
122         struct snd_kcontrol *eld_ctl;
123 };
124
125 enum {
126         SILENT_STREAM_OFF = 0,
127         SILENT_STREAM_KAE,      /* use standard HDA Keep-Alive */
128         SILENT_STREAM_I915,     /* Intel i915 extension */
129 };
130
131 struct hdmi_spec {
132         struct hda_codec *codec;
133         int num_cvts;
134         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
135         hda_nid_t cvt_nids[4]; /* only for haswell fix */
136
137         /*
138          * num_pins is the number of virtual pins
139          * for example, there are 3 pins, and each pin
140          * has 4 device entries, then the num_pins is 12
141          */
142         int num_pins;
143         /*
144          * num_nids is the number of real pins
145          * In the above example, num_nids is 3
146          */
147         int num_nids;
148         /*
149          * dev_num is the number of device entries
150          * on each pin.
151          * In the above example, dev_num is 4
152          */
153         int dev_num;
154         struct snd_array pins; /* struct hdmi_spec_per_pin */
155         struct hdmi_pcm pcm_rec[8];
156         struct mutex pcm_lock;
157         struct mutex bind_lock; /* for audio component binding */
158         /* pcm_bitmap means which pcms have been assigned to pins*/
159         unsigned long pcm_bitmap;
160         int pcm_used;   /* counter of pcm_rec[] */
161         /* bitmap shows whether the pcm is opened in user space
162          * bit 0 means the first playback PCM (PCM3);
163          * bit 1 means the second playback PCM, and so on.
164          */
165         unsigned long pcm_in_use;
166
167         struct hdmi_eld temp_eld;
168         struct hdmi_ops ops;
169
170         bool dyn_pin_out;
171         bool static_pcm_mapping;
172         /* hdmi interrupt trigger control flag for Nvidia codec */
173         bool hdmi_intr_trig_ctrl;
174         bool nv_dp_workaround; /* workaround DP audio infoframe for Nvidia */
175
176         bool intel_hsw_fixup;   /* apply Intel platform-specific fixups */
177         /*
178          * Non-generic VIA/NVIDIA specific
179          */
180         struct hda_multi_out multiout;
181         struct hda_pcm_stream pcm_playback;
182
183         bool use_acomp_notifier; /* use eld_notify callback for hotplug */
184         bool acomp_registered; /* audio component registered in this driver */
185         bool force_connect; /* force connectivity */
186         struct drm_audio_component_audio_ops drm_audio_ops;
187         int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */
188
189         struct hdac_chmap chmap;
190         hda_nid_t vendor_nid;
191         const int *port_map;
192         int port_num;
193         int silent_stream_type;
194 };
195
196 #ifdef CONFIG_SND_HDA_COMPONENT
197 static inline bool codec_has_acomp(struct hda_codec *codec)
198 {
199         struct hdmi_spec *spec = codec->spec;
200         return spec->use_acomp_notifier;
201 }
202 #else
203 #define codec_has_acomp(codec)  false
204 #endif
205
206 struct hdmi_audio_infoframe {
207         u8 type; /* 0x84 */
208         u8 ver;  /* 0x01 */
209         u8 len;  /* 0x0a */
210
211         u8 checksum;
212
213         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
214         u8 SS01_SF24;
215         u8 CXT04;
216         u8 CA;
217         u8 LFEPBL01_LSV36_DM_INH7;
218 };
219
220 struct dp_audio_infoframe {
221         u8 type; /* 0x84 */
222         u8 len;  /* 0x1b */
223         u8 ver;  /* 0x11 << 2 */
224
225         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
226         u8 SS01_SF24;
227         u8 CXT04;
228         u8 CA;
229         u8 LFEPBL01_LSV36_DM_INH7;
230 };
231
232 union audio_infoframe {
233         struct hdmi_audio_infoframe hdmi;
234         struct dp_audio_infoframe dp;
235         DECLARE_FLEX_ARRAY(u8, bytes);
236 };
237
238 /*
239  * HDMI routines
240  */
241
242 #define get_pin(spec, idx) \
243         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
244 #define get_cvt(spec, idx) \
245         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
246 /* obtain hdmi_pcm object assigned to idx */
247 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
248 /* obtain hda_pcm object assigned to idx */
249 #define get_pcm_rec(spec, idx)  (get_hdmi_pcm(spec, idx)->pcm)
250
251 static int pin_id_to_pin_index(struct hda_codec *codec,
252                                hda_nid_t pin_nid, int dev_id)
253 {
254         struct hdmi_spec *spec = codec->spec;
255         int pin_idx;
256         struct hdmi_spec_per_pin *per_pin;
257
258         /*
259          * (dev_id == -1) means it is NON-MST pin
260          * return the first virtual pin on this port
261          */
262         if (dev_id == -1)
263                 dev_id = 0;
264
265         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
266                 per_pin = get_pin(spec, pin_idx);
267                 if ((per_pin->pin_nid == pin_nid) &&
268                         (per_pin->dev_id == dev_id))
269                         return pin_idx;
270         }
271
272         codec_warn(codec, "HDMI: pin NID 0x%x not registered\n", pin_nid);
273         return -EINVAL;
274 }
275
276 static int hinfo_to_pcm_index(struct hda_codec *codec,
277                         struct hda_pcm_stream *hinfo)
278 {
279         struct hdmi_spec *spec = codec->spec;
280         int pcm_idx;
281
282         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
283                 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
284                         return pcm_idx;
285
286         codec_warn(codec, "HDMI: hinfo %p not tied to a PCM\n", hinfo);
287         return -EINVAL;
288 }
289
290 static int hinfo_to_pin_index(struct hda_codec *codec,
291                               struct hda_pcm_stream *hinfo)
292 {
293         struct hdmi_spec *spec = codec->spec;
294         struct hdmi_spec_per_pin *per_pin;
295         int pin_idx;
296
297         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
298                 per_pin = get_pin(spec, pin_idx);
299                 if (per_pin->pcm &&
300                         per_pin->pcm->pcm->stream == hinfo)
301                         return pin_idx;
302         }
303
304         codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo,
305                   hinfo_to_pcm_index(codec, hinfo));
306         return -EINVAL;
307 }
308
309 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
310                                                 int pcm_idx)
311 {
312         int i;
313         struct hdmi_spec_per_pin *per_pin;
314
315         for (i = 0; i < spec->num_pins; i++) {
316                 per_pin = get_pin(spec, i);
317                 if (per_pin->pcm_idx == pcm_idx)
318                         return per_pin;
319         }
320         return NULL;
321 }
322
323 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
324 {
325         struct hdmi_spec *spec = codec->spec;
326         int cvt_idx;
327
328         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
329                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
330                         return cvt_idx;
331
332         codec_warn(codec, "HDMI: cvt NID 0x%x not registered\n", cvt_nid);
333         return -EINVAL;
334 }
335
336 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
337                         struct snd_ctl_elem_info *uinfo)
338 {
339         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
340         struct hdmi_spec *spec = codec->spec;
341         struct hdmi_spec_per_pin *per_pin;
342         struct hdmi_eld *eld;
343         int pcm_idx;
344
345         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
346
347         pcm_idx = kcontrol->private_value;
348         mutex_lock(&spec->pcm_lock);
349         per_pin = pcm_idx_to_pin(spec, pcm_idx);
350         if (!per_pin) {
351                 /* no pin is bound to the pcm */
352                 uinfo->count = 0;
353                 goto unlock;
354         }
355         eld = &per_pin->sink_eld;
356         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
357
358  unlock:
359         mutex_unlock(&spec->pcm_lock);
360         return 0;
361 }
362
363 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
364                         struct snd_ctl_elem_value *ucontrol)
365 {
366         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
367         struct hdmi_spec *spec = codec->spec;
368         struct hdmi_spec_per_pin *per_pin;
369         struct hdmi_eld *eld;
370         int pcm_idx;
371         int err = 0;
372
373         pcm_idx = kcontrol->private_value;
374         mutex_lock(&spec->pcm_lock);
375         per_pin = pcm_idx_to_pin(spec, pcm_idx);
376         if (!per_pin) {
377                 /* no pin is bound to the pcm */
378                 memset(ucontrol->value.bytes.data, 0,
379                        ARRAY_SIZE(ucontrol->value.bytes.data));
380                 goto unlock;
381         }
382
383         eld = &per_pin->sink_eld;
384         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
385             eld->eld_size > ELD_MAX_SIZE) {
386                 snd_BUG();
387                 err = -EINVAL;
388                 goto unlock;
389         }
390
391         memset(ucontrol->value.bytes.data, 0,
392                ARRAY_SIZE(ucontrol->value.bytes.data));
393         if (eld->eld_valid)
394                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
395                        eld->eld_size);
396
397  unlock:
398         mutex_unlock(&spec->pcm_lock);
399         return err;
400 }
401
402 static const struct snd_kcontrol_new eld_bytes_ctl = {
403         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE |
404                 SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK,
405         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
406         .name = "ELD",
407         .info = hdmi_eld_ctl_info,
408         .get = hdmi_eld_ctl_get,
409 };
410
411 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
412                         int device)
413 {
414         struct snd_kcontrol *kctl;
415         struct hdmi_spec *spec = codec->spec;
416         int err;
417
418         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
419         if (!kctl)
420                 return -ENOMEM;
421         kctl->private_value = pcm_idx;
422         kctl->id.device = device;
423
424         /* no pin nid is associated with the kctl now
425          * tbd: associate pin nid to eld ctl later
426          */
427         err = snd_hda_ctl_add(codec, 0, kctl);
428         if (err < 0)
429                 return err;
430
431         get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
432         return 0;
433 }
434
435 #ifdef BE_PARANOID
436 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
437                                 int *packet_index, int *byte_index)
438 {
439         int val;
440
441         val = snd_hda_codec_read(codec, pin_nid, 0,
442                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
443
444         *packet_index = val >> 5;
445         *byte_index = val & 0x1f;
446 }
447 #endif
448
449 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
450                                 int packet_index, int byte_index)
451 {
452         int val;
453
454         val = (packet_index << 5) | (byte_index & 0x1f);
455
456         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
457 }
458
459 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
460                                 unsigned char val)
461 {
462         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
463 }
464
465 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
466 {
467         struct hdmi_spec *spec = codec->spec;
468         int pin_out;
469
470         /* Unmute */
471         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
472                 snd_hda_codec_write(codec, pin_nid, 0,
473                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
474
475         if (spec->dyn_pin_out)
476                 /* Disable pin out until stream is active */
477                 pin_out = 0;
478         else
479                 /* Enable pin out: some machines with GM965 gets broken output
480                  * when the pin is disabled or changed while using with HDMI
481                  */
482                 pin_out = PIN_OUT;
483
484         snd_hda_codec_write(codec, pin_nid, 0,
485                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
486 }
487
488 /*
489  * ELD proc files
490  */
491
492 #ifdef CONFIG_SND_PROC_FS
493 static void print_eld_info(struct snd_info_entry *entry,
494                            struct snd_info_buffer *buffer)
495 {
496         struct hdmi_spec_per_pin *per_pin = entry->private_data;
497
498         mutex_lock(&per_pin->lock);
499         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer, per_pin->pin_nid,
500                                 per_pin->dev_id, per_pin->cvt_nid);
501         mutex_unlock(&per_pin->lock);
502 }
503
504 static void write_eld_info(struct snd_info_entry *entry,
505                            struct snd_info_buffer *buffer)
506 {
507         struct hdmi_spec_per_pin *per_pin = entry->private_data;
508
509         mutex_lock(&per_pin->lock);
510         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
511         mutex_unlock(&per_pin->lock);
512 }
513
514 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
515 {
516         char name[32];
517         struct hda_codec *codec = per_pin->codec;
518         struct snd_info_entry *entry;
519         int err;
520
521         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
522         err = snd_card_proc_new(codec->card, name, &entry);
523         if (err < 0)
524                 return err;
525
526         snd_info_set_text_ops(entry, per_pin, print_eld_info);
527         entry->c.text.write = write_eld_info;
528         entry->mode |= 0200;
529         per_pin->proc_entry = entry;
530
531         return 0;
532 }
533
534 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
535 {
536         if (!per_pin->codec->bus->shutdown) {
537                 snd_info_free_entry(per_pin->proc_entry);
538                 per_pin->proc_entry = NULL;
539         }
540 }
541 #else
542 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
543                                int index)
544 {
545         return 0;
546 }
547 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
548 {
549 }
550 #endif
551
552 /*
553  * Audio InfoFrame routines
554  */
555
556 /*
557  * Enable Audio InfoFrame Transmission
558  */
559 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
560                                        hda_nid_t pin_nid)
561 {
562         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
563         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
564                                                 AC_DIPXMIT_BEST);
565 }
566
567 /*
568  * Disable Audio InfoFrame Transmission
569  */
570 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
571                                       hda_nid_t pin_nid)
572 {
573         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
574         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
575                                                 AC_DIPXMIT_DISABLE);
576 }
577
578 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
579 {
580 #ifdef CONFIG_SND_DEBUG_VERBOSE
581         int i;
582         int size;
583
584         size = snd_hdmi_get_eld_size(codec, pin_nid);
585         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
586
587         for (i = 0; i < 8; i++) {
588                 size = snd_hda_codec_read(codec, pin_nid, 0,
589                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
590                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
591         }
592 #endif
593 }
594
595 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
596 {
597 #ifdef BE_PARANOID
598         int i, j;
599         int size;
600         int pi, bi;
601         for (i = 0; i < 8; i++) {
602                 size = snd_hda_codec_read(codec, pin_nid, 0,
603                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
604                 if (size == 0)
605                         continue;
606
607                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
608                 for (j = 1; j < 1000; j++) {
609                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
610                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
611                         if (pi != i)
612                                 codec_dbg(codec, "dip index %d: %d != %d\n",
613                                                 bi, pi, i);
614                         if (bi == 0) /* byte index wrapped around */
615                                 break;
616                 }
617                 codec_dbg(codec,
618                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
619                         i, size, j);
620         }
621 #endif
622 }
623
624 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
625 {
626         u8 *bytes = (u8 *)hdmi_ai;
627         u8 sum = 0;
628         int i;
629
630         hdmi_ai->checksum = 0;
631
632         for (i = 0; i < sizeof(*hdmi_ai); i++)
633                 sum += bytes[i];
634
635         hdmi_ai->checksum = -sum;
636 }
637
638 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
639                                       hda_nid_t pin_nid,
640                                       u8 *dip, int size)
641 {
642         int i;
643
644         hdmi_debug_dip_size(codec, pin_nid);
645         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
646
647         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
648         for (i = 0; i < size; i++)
649                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
650 }
651
652 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
653                                     u8 *dip, int size)
654 {
655         u8 val;
656         int i;
657
658         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
659         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
660                                                             != AC_DIPXMIT_BEST)
661                 return false;
662
663         for (i = 0; i < size; i++) {
664                 val = snd_hda_codec_read(codec, pin_nid, 0,
665                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
666                 if (val != dip[i])
667                         return false;
668         }
669
670         return true;
671 }
672
673 static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
674                             int dev_id, unsigned char *buf, int *eld_size)
675 {
676         snd_hda_set_dev_select(codec, nid, dev_id);
677
678         return snd_hdmi_get_eld(codec, nid, buf, eld_size);
679 }
680
681 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
682                                      hda_nid_t pin_nid, int dev_id,
683                                      int ca, int active_channels,
684                                      int conn_type)
685 {
686         struct hdmi_spec *spec = codec->spec;
687         union audio_infoframe ai;
688
689         memset(&ai, 0, sizeof(ai));
690         if ((conn_type == 0) || /* HDMI */
691                 /* Nvidia DisplayPort: Nvidia HW expects same layout as HDMI */
692                 (conn_type == 1 && spec->nv_dp_workaround)) {
693                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
694
695                 if (conn_type == 0) { /* HDMI */
696                         hdmi_ai->type           = 0x84;
697                         hdmi_ai->ver            = 0x01;
698                         hdmi_ai->len            = 0x0a;
699                 } else {/* Nvidia DP */
700                         hdmi_ai->type           = 0x84;
701                         hdmi_ai->ver            = 0x1b;
702                         hdmi_ai->len            = 0x11 << 2;
703                 }
704                 hdmi_ai->CC02_CT47      = active_channels - 1;
705                 hdmi_ai->CA             = ca;
706                 hdmi_checksum_audio_infoframe(hdmi_ai);
707         } else if (conn_type == 1) { /* DisplayPort */
708                 struct dp_audio_infoframe *dp_ai = &ai.dp;
709
710                 dp_ai->type             = 0x84;
711                 dp_ai->len              = 0x1b;
712                 dp_ai->ver              = 0x11 << 2;
713                 dp_ai->CC02_CT47        = active_channels - 1;
714                 dp_ai->CA               = ca;
715         } else {
716                 codec_dbg(codec, "HDMI: unknown connection type at pin NID 0x%x\n", pin_nid);
717                 return;
718         }
719
720         snd_hda_set_dev_select(codec, pin_nid, dev_id);
721
722         /*
723          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
724          * sizeof(*dp_ai) to avoid partial match/update problems when
725          * the user switches between HDMI/DP monitors.
726          */
727         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
728                                         sizeof(ai))) {
729                 codec_dbg(codec, "%s: pin NID=0x%x channels=%d ca=0x%02x\n",
730                           __func__, pin_nid, active_channels, ca);
731                 hdmi_stop_infoframe_trans(codec, pin_nid);
732                 hdmi_fill_audio_infoframe(codec, pin_nid,
733                                             ai.bytes, sizeof(ai));
734                 hdmi_start_infoframe_trans(codec, pin_nid);
735         }
736 }
737
738 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
739                                        struct hdmi_spec_per_pin *per_pin,
740                                        bool non_pcm)
741 {
742         struct hdmi_spec *spec = codec->spec;
743         struct hdac_chmap *chmap = &spec->chmap;
744         hda_nid_t pin_nid = per_pin->pin_nid;
745         int dev_id = per_pin->dev_id;
746         int channels = per_pin->channels;
747         int active_channels;
748         struct hdmi_eld *eld;
749         int ca;
750
751         if (!channels)
752                 return;
753
754         snd_hda_set_dev_select(codec, pin_nid, dev_id);
755
756         /* some HW (e.g. HSW+) needs reprogramming the amp at each time */
757         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
758                 snd_hda_codec_write(codec, pin_nid, 0,
759                                             AC_VERB_SET_AMP_GAIN_MUTE,
760                                             AMP_OUT_UNMUTE);
761
762         eld = &per_pin->sink_eld;
763
764         ca = snd_hdac_channel_allocation(&codec->core,
765                         eld->info.spk_alloc, channels,
766                         per_pin->chmap_set, non_pcm, per_pin->chmap);
767
768         active_channels = snd_hdac_get_active_channels(ca);
769
770         chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
771                                                 active_channels);
772
773         /*
774          * always configure channel mapping, it may have been changed by the
775          * user in the meantime
776          */
777         snd_hdac_setup_channel_mapping(&spec->chmap,
778                                 pin_nid, non_pcm, ca, channels,
779                                 per_pin->chmap, per_pin->chmap_set);
780
781         spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id,
782                                       ca, active_channels, eld->info.conn_type);
783
784         per_pin->non_pcm = non_pcm;
785 }
786
787 /*
788  * Unsolicited events
789  */
790
791 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
792
793 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid,
794                                       int dev_id)
795 {
796         struct hdmi_spec *spec = codec->spec;
797         int pin_idx = pin_id_to_pin_index(codec, nid, dev_id);
798
799         if (pin_idx < 0)
800                 return;
801         mutex_lock(&spec->pcm_lock);
802         hdmi_present_sense(get_pin(spec, pin_idx), 1);
803         mutex_unlock(&spec->pcm_lock);
804 }
805
806 static void jack_callback(struct hda_codec *codec,
807                           struct hda_jack_callback *jack)
808 {
809         /* stop polling when notification is enabled */
810         if (codec_has_acomp(codec))
811                 return;
812
813         check_presence_and_report(codec, jack->nid, jack->dev_id);
814 }
815
816 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res,
817                                  struct hda_jack_tbl *jack)
818 {
819         jack->jack_dirty = 1;
820
821         codec_dbg(codec,
822                 "HDMI hot plug event: Codec=%d NID=0x%x Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
823                 codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA),
824                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
825
826         check_presence_and_report(codec, jack->nid, jack->dev_id);
827 }
828
829 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
830 {
831         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
832         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
833         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
834         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
835
836         codec_info(codec,
837                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
838                 codec->addr,
839                 tag,
840                 subtag,
841                 cp_state,
842                 cp_ready);
843
844         /* TODO */
845         if (cp_state) {
846                 ;
847         }
848         if (cp_ready) {
849                 ;
850         }
851 }
852
853
854 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
855 {
856         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
857         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
858         struct hda_jack_tbl *jack;
859
860         if (codec_has_acomp(codec))
861                 return;
862
863         if (codec->dp_mst) {
864                 int dev_entry =
865                         (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
866
867                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry);
868         } else {
869                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0);
870         }
871
872         if (!jack) {
873                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
874                 return;
875         }
876
877         if (subtag == 0)
878                 hdmi_intrinsic_event(codec, res, jack);
879         else
880                 hdmi_non_intrinsic_event(codec, res);
881 }
882
883 static void haswell_verify_D0(struct hda_codec *codec,
884                 hda_nid_t cvt_nid, hda_nid_t nid)
885 {
886         int pwr;
887
888         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
889          * thus pins could only choose converter 0 for use. Make sure the
890          * converters are in correct power state */
891         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
892                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
893
894         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
895                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
896                                     AC_PWRST_D0);
897                 msleep(40);
898                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
899                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
900                 codec_dbg(codec, "Haswell HDMI audio: Power for NID 0x%x is now D%d\n", nid, pwr);
901         }
902 }
903
904 /*
905  * Callbacks
906  */
907
908 /* HBR should be Non-PCM, 8 channels */
909 #define is_hbr_format(format) \
910         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
911
912 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
913                               int dev_id, bool hbr)
914 {
915         int pinctl, new_pinctl;
916
917         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
918                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
919                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
920                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
921
922                 if (pinctl < 0)
923                         return hbr ? -EINVAL : 0;
924
925                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
926                 if (hbr)
927                         new_pinctl |= AC_PINCTL_EPT_HBR;
928                 else
929                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
930
931                 codec_dbg(codec,
932                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
933                             pin_nid,
934                             pinctl == new_pinctl ? "" : "new-",
935                             new_pinctl);
936
937                 if (pinctl != new_pinctl)
938                         snd_hda_codec_write(codec, pin_nid, 0,
939                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
940                                             new_pinctl);
941         } else if (hbr)
942                 return -EINVAL;
943
944         return 0;
945 }
946
947 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
948                               hda_nid_t pin_nid, int dev_id,
949                               u32 stream_tag, int format)
950 {
951         struct hdmi_spec *spec = codec->spec;
952         unsigned int param;
953         int err;
954
955         err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id,
956                                       is_hbr_format(format));
957
958         if (err) {
959                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
960                 return err;
961         }
962
963         if (spec->intel_hsw_fixup) {
964
965                 /*
966                  * on recent platforms IEC Coding Type is required for HBR
967                  * support, read current Digital Converter settings and set
968                  * ICT bitfield if needed.
969                  */
970                 param = snd_hda_codec_read(codec, cvt_nid, 0,
971                                            AC_VERB_GET_DIGI_CONVERT_1, 0);
972
973                 param = (param >> 16) & ~(AC_DIG3_ICT);
974
975                 /* on recent platforms ICT mode is required for HBR support */
976                 if (is_hbr_format(format))
977                         param |= 0x1;
978
979                 snd_hda_codec_write(codec, cvt_nid, 0,
980                                     AC_VERB_SET_DIGI_CONVERT_3, param);
981         }
982
983         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
984         return 0;
985 }
986
987 /* Try to find an available converter
988  * If pin_idx is less then zero, just try to find an available converter.
989  * Otherwise, try to find an available converter and get the cvt mux index
990  * of the pin.
991  */
992 static int hdmi_choose_cvt(struct hda_codec *codec,
993                            int pin_idx, int *cvt_id,
994                            bool silent)
995 {
996         struct hdmi_spec *spec = codec->spec;
997         struct hdmi_spec_per_pin *per_pin;
998         struct hdmi_spec_per_cvt *per_cvt = NULL;
999         int cvt_idx, mux_idx = 0;
1000
1001         /* pin_idx < 0 means no pin will be bound to the converter */
1002         if (pin_idx < 0)
1003                 per_pin = NULL;
1004         else
1005                 per_pin = get_pin(spec, pin_idx);
1006
1007         if (per_pin && per_pin->silent_stream) {
1008                 cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
1009                 per_cvt = get_cvt(spec, cvt_idx);
1010                 if (per_cvt->assigned && !silent)
1011                         return -EBUSY;
1012                 if (cvt_id)
1013                         *cvt_id = cvt_idx;
1014                 return 0;
1015         }
1016
1017         /* Dynamically assign converter to stream */
1018         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1019                 per_cvt = get_cvt(spec, cvt_idx);
1020
1021                 /* Must not already be assigned */
1022                 if (per_cvt->assigned || per_cvt->silent_stream)
1023                         continue;
1024                 if (per_pin == NULL)
1025                         break;
1026                 /* Must be in pin's mux's list of converters */
1027                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1028                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1029                                 break;
1030                 /* Not in mux list */
1031                 if (mux_idx == per_pin->num_mux_nids)
1032                         continue;
1033                 break;
1034         }
1035
1036         /* No free converters */
1037         if (cvt_idx == spec->num_cvts)
1038                 return -EBUSY;
1039
1040         if (per_pin != NULL)
1041                 per_pin->mux_idx = mux_idx;
1042
1043         if (cvt_id)
1044                 *cvt_id = cvt_idx;
1045
1046         return 0;
1047 }
1048
1049 /* Assure the pin select the right convetor */
1050 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1051                         struct hdmi_spec_per_pin *per_pin)
1052 {
1053         hda_nid_t pin_nid = per_pin->pin_nid;
1054         int mux_idx, curr;
1055
1056         mux_idx = per_pin->mux_idx;
1057         curr = snd_hda_codec_read(codec, pin_nid, 0,
1058                                           AC_VERB_GET_CONNECT_SEL, 0);
1059         if (curr != mux_idx)
1060                 snd_hda_codec_write_cache(codec, pin_nid, 0,
1061                                             AC_VERB_SET_CONNECT_SEL,
1062                                             mux_idx);
1063 }
1064
1065 /* get the mux index for the converter of the pins
1066  * converter's mux index is the same for all pins on Intel platform
1067  */
1068 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
1069                         hda_nid_t cvt_nid)
1070 {
1071         int i;
1072
1073         for (i = 0; i < spec->num_cvts; i++)
1074                 if (spec->cvt_nids[i] == cvt_nid)
1075                         return i;
1076         return -EINVAL;
1077 }
1078
1079 /* Intel HDMI workaround to fix audio routing issue:
1080  * For some Intel display codecs, pins share the same connection list.
1081  * So a conveter can be selected by multiple pins and playback on any of these
1082  * pins will generate sound on the external display, because audio flows from
1083  * the same converter to the display pipeline. Also muting one pin may make
1084  * other pins have no sound output.
1085  * So this function assures that an assigned converter for a pin is not selected
1086  * by any other pins.
1087  */
1088 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1089                                          hda_nid_t pin_nid,
1090                                          int dev_id, int mux_idx)
1091 {
1092         struct hdmi_spec *spec = codec->spec;
1093         hda_nid_t nid;
1094         int cvt_idx, curr;
1095         struct hdmi_spec_per_cvt *per_cvt;
1096         struct hdmi_spec_per_pin *per_pin;
1097         int pin_idx;
1098
1099         /* configure the pins connections */
1100         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1101                 int dev_id_saved;
1102                 int dev_num;
1103
1104                 per_pin = get_pin(spec, pin_idx);
1105                 /*
1106                  * pin not connected to monitor
1107                  * no need to operate on it
1108                  */
1109                 if (!per_pin->pcm)
1110                         continue;
1111
1112                 if ((per_pin->pin_nid == pin_nid) &&
1113                         (per_pin->dev_id == dev_id))
1114                         continue;
1115
1116                 /*
1117                  * if per_pin->dev_id >= dev_num,
1118                  * snd_hda_get_dev_select() will fail,
1119                  * and the following operation is unpredictable.
1120                  * So skip this situation.
1121                  */
1122                 dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1;
1123                 if (per_pin->dev_id >= dev_num)
1124                         continue;
1125
1126                 nid = per_pin->pin_nid;
1127
1128                 /*
1129                  * Calling this function should not impact
1130                  * on the device entry selection
1131                  * So let's save the dev id for each pin,
1132                  * and restore it when return
1133                  */
1134                 dev_id_saved = snd_hda_get_dev_select(codec, nid);
1135                 snd_hda_set_dev_select(codec, nid, per_pin->dev_id);
1136                 curr = snd_hda_codec_read(codec, nid, 0,
1137                                           AC_VERB_GET_CONNECT_SEL, 0);
1138                 if (curr != mux_idx) {
1139                         snd_hda_set_dev_select(codec, nid, dev_id_saved);
1140                         continue;
1141                 }
1142
1143
1144                 /* choose an unassigned converter. The conveters in the
1145                  * connection list are in the same order as in the codec.
1146                  */
1147                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1148                         per_cvt = get_cvt(spec, cvt_idx);
1149                         if (!per_cvt->assigned) {
1150                                 codec_dbg(codec,
1151                                           "choose cvt %d for pin NID 0x%x\n",
1152                                           cvt_idx, nid);
1153                                 snd_hda_codec_write_cache(codec, nid, 0,
1154                                             AC_VERB_SET_CONNECT_SEL,
1155                                             cvt_idx);
1156                                 break;
1157                         }
1158                 }
1159                 snd_hda_set_dev_select(codec, nid, dev_id_saved);
1160         }
1161 }
1162
1163 /* A wrapper of intel_not_share_asigned_cvt() */
1164 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1165                         hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid)
1166 {
1167         int mux_idx;
1168         struct hdmi_spec *spec = codec->spec;
1169
1170         /* On Intel platform, the mapping of converter nid to
1171          * mux index of the pins are always the same.
1172          * The pin nid may be 0, this means all pins will not
1173          * share the converter.
1174          */
1175         mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1176         if (mux_idx >= 0)
1177                 intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx);
1178 }
1179
1180 /* skeleton caller of pin_cvt_fixup ops */
1181 static void pin_cvt_fixup(struct hda_codec *codec,
1182                           struct hdmi_spec_per_pin *per_pin,
1183                           hda_nid_t cvt_nid)
1184 {
1185         struct hdmi_spec *spec = codec->spec;
1186
1187         if (spec->ops.pin_cvt_fixup)
1188                 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid);
1189 }
1190
1191 /* called in hdmi_pcm_open when no pin is assigned to the PCM */
1192 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1193                          struct hda_codec *codec,
1194                          struct snd_pcm_substream *substream)
1195 {
1196         struct hdmi_spec *spec = codec->spec;
1197         struct snd_pcm_runtime *runtime = substream->runtime;
1198         int cvt_idx, pcm_idx;
1199         struct hdmi_spec_per_cvt *per_cvt = NULL;
1200         int err;
1201
1202         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1203         if (pcm_idx < 0)
1204                 return -EINVAL;
1205
1206         err = hdmi_choose_cvt(codec, -1, &cvt_idx, false);
1207         if (err)
1208                 return err;
1209
1210         per_cvt = get_cvt(spec, cvt_idx);
1211         per_cvt->assigned = true;
1212         hinfo->nid = per_cvt->cvt_nid;
1213
1214         pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid);
1215
1216         set_bit(pcm_idx, &spec->pcm_in_use);
1217         /* todo: setup spdif ctls assign */
1218
1219         /* Initially set the converter's capabilities */
1220         hinfo->channels_min = per_cvt->channels_min;
1221         hinfo->channels_max = per_cvt->channels_max;
1222         hinfo->rates = per_cvt->rates;
1223         hinfo->formats = per_cvt->formats;
1224         hinfo->maxbps = per_cvt->maxbps;
1225
1226         /* Store the updated parameters */
1227         runtime->hw.channels_min = hinfo->channels_min;
1228         runtime->hw.channels_max = hinfo->channels_max;
1229         runtime->hw.formats = hinfo->formats;
1230         runtime->hw.rates = hinfo->rates;
1231
1232         snd_pcm_hw_constraint_step(substream->runtime, 0,
1233                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1234         return 0;
1235 }
1236
1237 /*
1238  * HDA PCM callbacks
1239  */
1240 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1241                          struct hda_codec *codec,
1242                          struct snd_pcm_substream *substream)
1243 {
1244         struct hdmi_spec *spec = codec->spec;
1245         struct snd_pcm_runtime *runtime = substream->runtime;
1246         int pin_idx, cvt_idx, pcm_idx;
1247         struct hdmi_spec_per_pin *per_pin;
1248         struct hdmi_eld *eld;
1249         struct hdmi_spec_per_cvt *per_cvt = NULL;
1250         int err;
1251
1252         /* Validate hinfo */
1253         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1254         if (pcm_idx < 0)
1255                 return -EINVAL;
1256
1257         mutex_lock(&spec->pcm_lock);
1258         pin_idx = hinfo_to_pin_index(codec, hinfo);
1259         /* no pin is assigned to the PCM
1260          * PA need pcm open successfully when probe
1261          */
1262         if (pin_idx < 0) {
1263                 err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1264                 goto unlock;
1265         }
1266
1267         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, false);
1268         if (err < 0)
1269                 goto unlock;
1270
1271         per_cvt = get_cvt(spec, cvt_idx);
1272         /* Claim converter */
1273         per_cvt->assigned = true;
1274
1275         set_bit(pcm_idx, &spec->pcm_in_use);
1276         per_pin = get_pin(spec, pin_idx);
1277         per_pin->cvt_nid = per_cvt->cvt_nid;
1278         hinfo->nid = per_cvt->cvt_nid;
1279
1280         /* flip stripe flag for the assigned stream if supported */
1281         if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE)
1282                 azx_stream(get_azx_dev(substream))->stripe = 1;
1283
1284         snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
1285         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1286                             AC_VERB_SET_CONNECT_SEL,
1287                             per_pin->mux_idx);
1288
1289         /* configure unused pins to choose other converters */
1290         pin_cvt_fixup(codec, per_pin, 0);
1291
1292         snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1293
1294         /* Initially set the converter's capabilities */
1295         hinfo->channels_min = per_cvt->channels_min;
1296         hinfo->channels_max = per_cvt->channels_max;
1297         hinfo->rates = per_cvt->rates;
1298         hinfo->formats = per_cvt->formats;
1299         hinfo->maxbps = per_cvt->maxbps;
1300
1301         eld = &per_pin->sink_eld;
1302         /* Restrict capabilities by ELD if this isn't disabled */
1303         if (!static_hdmi_pcm && eld->eld_valid) {
1304                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1305                 if (hinfo->channels_min > hinfo->channels_max ||
1306                     !hinfo->rates || !hinfo->formats) {
1307                         per_cvt->assigned = false;
1308                         hinfo->nid = 0;
1309                         snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1310                         err = -ENODEV;
1311                         goto unlock;
1312                 }
1313         }
1314
1315         /* Store the updated parameters */
1316         runtime->hw.channels_min = hinfo->channels_min;
1317         runtime->hw.channels_max = hinfo->channels_max;
1318         runtime->hw.formats = hinfo->formats;
1319         runtime->hw.rates = hinfo->rates;
1320
1321         snd_pcm_hw_constraint_step(substream->runtime, 0,
1322                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1323  unlock:
1324         mutex_unlock(&spec->pcm_lock);
1325         return err;
1326 }
1327
1328 /*
1329  * HDA/HDMI auto parsing
1330  */
1331 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1332 {
1333         struct hdmi_spec *spec = codec->spec;
1334         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1335         hda_nid_t pin_nid = per_pin->pin_nid;
1336         int dev_id = per_pin->dev_id;
1337         int conns;
1338
1339         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1340                 codec_warn(codec,
1341                            "HDMI: pin NID 0x%x wcaps %#x does not support connection list\n",
1342                            pin_nid, get_wcaps(codec, pin_nid));
1343                 return -EINVAL;
1344         }
1345
1346         snd_hda_set_dev_select(codec, pin_nid, dev_id);
1347
1348         if (spec->intel_hsw_fixup) {
1349                 conns = spec->num_cvts;
1350                 memcpy(per_pin->mux_nids, spec->cvt_nids,
1351                        sizeof(hda_nid_t) * conns);
1352         } else {
1353                 conns = snd_hda_get_raw_connections(codec, pin_nid,
1354                                                     per_pin->mux_nids,
1355                                                     HDA_MAX_CONNECTIONS);
1356         }
1357
1358         /* all the device entries on the same pin have the same conn list */
1359         per_pin->num_mux_nids = conns;
1360
1361         return 0;
1362 }
1363
1364 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1365                               struct hdmi_spec_per_pin *per_pin)
1366 {
1367         int i;
1368
1369         for (i = 0; i < spec->pcm_used; i++) {
1370                 if (!test_bit(i, &spec->pcm_bitmap))
1371                         return i;
1372         }
1373         return -EBUSY;
1374 }
1375
1376 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1377                                 struct hdmi_spec_per_pin *per_pin)
1378 {
1379         int idx;
1380
1381         /* pcm already be attached to the pin */
1382         if (per_pin->pcm)
1383                 return;
1384         /* try the previously used slot at first */
1385         idx = per_pin->prev_pcm_idx;
1386         if (idx >= 0) {
1387                 if (!test_bit(idx, &spec->pcm_bitmap))
1388                         goto found;
1389                 per_pin->prev_pcm_idx = -1; /* no longer valid, clear it */
1390         }
1391         idx = hdmi_find_pcm_slot(spec, per_pin);
1392         if (idx == -EBUSY)
1393                 return;
1394  found:
1395         per_pin->pcm_idx = idx;
1396         per_pin->pcm = get_hdmi_pcm(spec, idx);
1397         set_bit(idx, &spec->pcm_bitmap);
1398 }
1399
1400 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1401                                 struct hdmi_spec_per_pin *per_pin)
1402 {
1403         int idx;
1404
1405         /* pcm already be detached from the pin */
1406         if (!per_pin->pcm)
1407                 return;
1408         idx = per_pin->pcm_idx;
1409         per_pin->pcm_idx = -1;
1410         per_pin->prev_pcm_idx = idx; /* remember the previous index */
1411         per_pin->pcm = NULL;
1412         if (idx >= 0 && idx < spec->pcm_used)
1413                 clear_bit(idx, &spec->pcm_bitmap);
1414 }
1415
1416 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1417                 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1418 {
1419         int mux_idx;
1420
1421         for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1422                 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1423                         break;
1424         return mux_idx;
1425 }
1426
1427 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1428
1429 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1430                            struct hdmi_spec_per_pin *per_pin)
1431 {
1432         struct hda_codec *codec = per_pin->codec;
1433         struct hda_pcm *pcm;
1434         struct hda_pcm_stream *hinfo;
1435         struct snd_pcm_substream *substream;
1436         int mux_idx;
1437         bool non_pcm;
1438
1439         if (per_pin->pcm_idx < 0 || per_pin->pcm_idx >= spec->pcm_used)
1440                 return;
1441         pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1442         if (!pcm->pcm)
1443                 return;
1444         if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1445                 return;
1446
1447         /* hdmi audio only uses playback and one substream */
1448         hinfo = pcm->stream;
1449         substream = pcm->pcm->streams[0].substream;
1450
1451         per_pin->cvt_nid = hinfo->nid;
1452
1453         mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1454         if (mux_idx < per_pin->num_mux_nids) {
1455                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
1456                                    per_pin->dev_id);
1457                 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1458                                 AC_VERB_SET_CONNECT_SEL,
1459                                 mux_idx);
1460         }
1461         snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1462
1463         non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1464         if (substream->runtime)
1465                 per_pin->channels = substream->runtime->channels;
1466         per_pin->setup = true;
1467         per_pin->mux_idx = mux_idx;
1468
1469         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1470 }
1471
1472 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1473                            struct hdmi_spec_per_pin *per_pin)
1474 {
1475         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1476                 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1477
1478         per_pin->chmap_set = false;
1479         memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1480
1481         per_pin->setup = false;
1482         per_pin->channels = 0;
1483 }
1484
1485 static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec,
1486                                             struct hdmi_spec_per_pin *per_pin)
1487 {
1488         struct hdmi_spec *spec = codec->spec;
1489
1490         if (per_pin->pcm_idx >= 0)
1491                 return spec->pcm_rec[per_pin->pcm_idx].jack;
1492         else
1493                 return NULL;
1494 }
1495
1496 /* update per_pin ELD from the given new ELD;
1497  * setup info frame and notification accordingly
1498  * also notify ELD kctl and report jack status changes
1499  */
1500 static void update_eld(struct hda_codec *codec,
1501                        struct hdmi_spec_per_pin *per_pin,
1502                        struct hdmi_eld *eld,
1503                        int repoll)
1504 {
1505         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1506         struct hdmi_spec *spec = codec->spec;
1507         struct snd_jack *pcm_jack;
1508         bool old_eld_valid = pin_eld->eld_valid;
1509         bool eld_changed;
1510         int pcm_idx;
1511
1512         if (eld->eld_valid) {
1513                 if (eld->eld_size <= 0 ||
1514                     snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1515                                        eld->eld_size) < 0) {
1516                         eld->eld_valid = false;
1517                         if (repoll) {
1518                                 schedule_delayed_work(&per_pin->work,
1519                                                       msecs_to_jiffies(300));
1520                                 return;
1521                         }
1522                 }
1523         }
1524
1525         if (!eld->eld_valid || eld->eld_size <= 0 || eld->info.sad_count <= 0) {
1526                 eld->eld_valid = false;
1527                 eld->eld_size = 0;
1528         }
1529
1530         /* for monitor disconnection, save pcm_idx firstly */
1531         pcm_idx = per_pin->pcm_idx;
1532
1533         /*
1534          * pcm_idx >=0 before update_eld() means it is in monitor
1535          * disconnected event. Jack must be fetched before update_eld().
1536          */
1537         pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1538
1539         if (!spec->static_pcm_mapping) {
1540                 if (eld->eld_valid) {
1541                         hdmi_attach_hda_pcm(spec, per_pin);
1542                         hdmi_pcm_setup_pin(spec, per_pin);
1543                 } else {
1544                         hdmi_pcm_reset_pin(spec, per_pin);
1545                         hdmi_detach_hda_pcm(spec, per_pin);
1546                 }
1547         }
1548
1549         /* if pcm_idx == -1, it means this is in monitor connection event
1550          * we can get the correct pcm_idx now.
1551          */
1552         if (pcm_idx == -1)
1553                 pcm_idx = per_pin->pcm_idx;
1554         if (!pcm_jack)
1555                 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1556
1557         if (eld->eld_valid)
1558                 snd_hdmi_show_eld(codec, &eld->info);
1559
1560         eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1561         eld_changed |= (pin_eld->monitor_present != eld->monitor_present);
1562         if (!eld_changed && eld->eld_valid && pin_eld->eld_valid)
1563                 if (pin_eld->eld_size != eld->eld_size ||
1564                     memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1565                            eld->eld_size) != 0)
1566                         eld_changed = true;
1567
1568         if (eld_changed) {
1569                 pin_eld->monitor_present = eld->monitor_present;
1570                 pin_eld->eld_valid = eld->eld_valid;
1571                 pin_eld->eld_size = eld->eld_size;
1572                 if (eld->eld_valid)
1573                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1574                                eld->eld_size);
1575                 pin_eld->info = eld->info;
1576         }
1577
1578         /*
1579          * Re-setup pin and infoframe. This is needed e.g. when
1580          * - sink is first plugged-in
1581          * - transcoder can change during stream playback on Haswell
1582          *   and this can make HW reset converter selection on a pin.
1583          */
1584         if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1585                 pin_cvt_fixup(codec, per_pin, 0);
1586                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1587         }
1588
1589         if (eld_changed && pcm_idx >= 0)
1590                 snd_ctl_notify(codec->card,
1591                                SNDRV_CTL_EVENT_MASK_VALUE |
1592                                SNDRV_CTL_EVENT_MASK_INFO,
1593                                &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1594
1595         if (eld_changed && pcm_jack)
1596                 snd_jack_report(pcm_jack,
1597                                 (eld->monitor_present && eld->eld_valid) ?
1598                                 SND_JACK_AVOUT : 0);
1599 }
1600
1601 /* update ELD and jack state via HD-audio verbs */
1602 static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1603                                          int repoll)
1604 {
1605         struct hda_codec *codec = per_pin->codec;
1606         struct hdmi_spec *spec = codec->spec;
1607         struct hdmi_eld *eld = &spec->temp_eld;
1608         struct device *dev = hda_codec_dev(codec);
1609         hda_nid_t pin_nid = per_pin->pin_nid;
1610         int dev_id = per_pin->dev_id;
1611         /*
1612          * Always execute a GetPinSense verb here, even when called from
1613          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1614          * response's PD bit is not the real PD value, but indicates that
1615          * the real PD value changed. An older version of the HD-audio
1616          * specification worked this way. Hence, we just ignore the data in
1617          * the unsolicited response to avoid custom WARs.
1618          */
1619         int present;
1620         int ret;
1621
1622 #ifdef  CONFIG_PM
1623         if (dev->power.runtime_status == RPM_SUSPENDING)
1624                 return;
1625 #endif
1626
1627         ret = snd_hda_power_up_pm(codec);
1628         if (ret < 0 && pm_runtime_suspended(dev))
1629                 goto out;
1630
1631         present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id);
1632
1633         mutex_lock(&per_pin->lock);
1634         eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1635         if (eld->monitor_present)
1636                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1637         else
1638                 eld->eld_valid = false;
1639
1640         codec_dbg(codec,
1641                 "HDMI status: Codec=%d NID=0x%x Presence_Detect=%d ELD_Valid=%d\n",
1642                 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1643
1644         if (eld->eld_valid) {
1645                 if (spec->ops.pin_get_eld(codec, pin_nid, dev_id,
1646                                           eld->eld_buffer, &eld->eld_size) < 0)
1647                         eld->eld_valid = false;
1648         }
1649
1650         update_eld(codec, per_pin, eld, repoll);
1651         mutex_unlock(&per_pin->lock);
1652  out:
1653         snd_hda_power_down_pm(codec);
1654 }
1655
1656 #define I915_SILENT_RATE                48000
1657 #define I915_SILENT_CHANNELS            2
1658 #define I915_SILENT_FORMAT              SNDRV_PCM_FORMAT_S16_LE
1659 #define I915_SILENT_FORMAT_BITS 16
1660 #define I915_SILENT_FMT_MASK            0xf
1661
1662 static void silent_stream_enable_i915(struct hda_codec *codec,
1663                                       struct hdmi_spec_per_pin *per_pin)
1664 {
1665         unsigned int format;
1666
1667         snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
1668                                  per_pin->dev_id, I915_SILENT_RATE);
1669
1670         /* trigger silent stream generation in hw */
1671         format = snd_hdac_calc_stream_format(I915_SILENT_RATE, I915_SILENT_CHANNELS,
1672                                              I915_SILENT_FORMAT, I915_SILENT_FORMAT_BITS, 0);
1673         snd_hda_codec_setup_stream(codec, per_pin->cvt_nid,
1674                                    I915_SILENT_FMT_MASK, I915_SILENT_FMT_MASK, format);
1675         usleep_range(100, 200);
1676         snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, 0, format);
1677
1678         per_pin->channels = I915_SILENT_CHANNELS;
1679         hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1680 }
1681
1682 static void silent_stream_set_kae(struct hda_codec *codec,
1683                                   struct hdmi_spec_per_pin *per_pin,
1684                                   bool enable)
1685 {
1686         unsigned int param;
1687
1688         codec_dbg(codec, "HDMI: KAE %d cvt-NID=0x%x\n", enable, per_pin->cvt_nid);
1689
1690         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1691         param = (param >> 16) & 0xff;
1692
1693         if (enable)
1694                 param |= AC_DIG3_KAE;
1695         else
1696                 param &= ~AC_DIG3_KAE;
1697
1698         snd_hda_codec_write(codec, per_pin->cvt_nid, 0, AC_VERB_SET_DIGI_CONVERT_3, param);
1699 }
1700
1701 static void silent_stream_enable(struct hda_codec *codec,
1702                                  struct hdmi_spec_per_pin *per_pin)
1703 {
1704         struct hdmi_spec *spec = codec->spec;
1705         struct hdmi_spec_per_cvt *per_cvt;
1706         int cvt_idx, pin_idx, err;
1707         int keep_power = 0;
1708
1709         /*
1710          * Power-up will call hdmi_present_sense, so the PM calls
1711          * have to be done without mutex held.
1712          */
1713
1714         err = snd_hda_power_up_pm(codec);
1715         if (err < 0 && err != -EACCES) {
1716                 codec_err(codec,
1717                           "Failed to power up codec for silent stream enable ret=[%d]\n", err);
1718                 snd_hda_power_down_pm(codec);
1719                 return;
1720         }
1721
1722         mutex_lock(&per_pin->lock);
1723
1724         if (per_pin->setup) {
1725                 codec_dbg(codec, "hdmi: PCM already open, no silent stream\n");
1726                 err = -EBUSY;
1727                 goto unlock_out;
1728         }
1729
1730         pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id);
1731         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, true);
1732         if (err) {
1733                 codec_err(codec, "hdmi: no free converter to enable silent mode\n");
1734                 goto unlock_out;
1735         }
1736
1737         per_cvt = get_cvt(spec, cvt_idx);
1738         per_cvt->silent_stream = true;
1739         per_pin->cvt_nid = per_cvt->cvt_nid;
1740         per_pin->silent_stream = true;
1741
1742         codec_dbg(codec, "hdmi: enabling silent stream pin-NID=0x%x cvt-NID=0x%x\n",
1743                   per_pin->pin_nid, per_cvt->cvt_nid);
1744
1745         snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
1746         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1747                                   AC_VERB_SET_CONNECT_SEL,
1748                                   per_pin->mux_idx);
1749
1750         /* configure unused pins to choose other converters */
1751         pin_cvt_fixup(codec, per_pin, 0);
1752
1753         switch (spec->silent_stream_type) {
1754         case SILENT_STREAM_KAE:
1755                 silent_stream_enable_i915(codec, per_pin);
1756                 silent_stream_set_kae(codec, per_pin, true);
1757                 break;
1758         case SILENT_STREAM_I915:
1759                 silent_stream_enable_i915(codec, per_pin);
1760                 keep_power = 1;
1761                 break;
1762         default:
1763                 break;
1764         }
1765
1766  unlock_out:
1767         mutex_unlock(&per_pin->lock);
1768
1769         if (err || !keep_power)
1770                 snd_hda_power_down_pm(codec);
1771 }
1772
1773 static void silent_stream_disable(struct hda_codec *codec,
1774                                   struct hdmi_spec_per_pin *per_pin)
1775 {
1776         struct hdmi_spec *spec = codec->spec;
1777         struct hdmi_spec_per_cvt *per_cvt;
1778         int cvt_idx, err;
1779
1780         err = snd_hda_power_up_pm(codec);
1781         if (err < 0 && err != -EACCES) {
1782                 codec_err(codec,
1783                           "Failed to power up codec for silent stream disable ret=[%d]\n",
1784                           err);
1785                 snd_hda_power_down_pm(codec);
1786                 return;
1787         }
1788
1789         mutex_lock(&per_pin->lock);
1790         if (!per_pin->silent_stream)
1791                 goto unlock_out;
1792
1793         codec_dbg(codec, "HDMI: disable silent stream on pin-NID=0x%x cvt-NID=0x%x\n",
1794                   per_pin->pin_nid, per_pin->cvt_nid);
1795
1796         cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
1797         if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) {
1798                 per_cvt = get_cvt(spec, cvt_idx);
1799                 per_cvt->silent_stream = false;
1800         }
1801
1802         if (spec->silent_stream_type == SILENT_STREAM_I915) {
1803                 /* release ref taken in silent_stream_enable() */
1804                 snd_hda_power_down_pm(codec);
1805         } else if (spec->silent_stream_type == SILENT_STREAM_KAE) {
1806                 silent_stream_set_kae(codec, per_pin, false);
1807         }
1808
1809         per_pin->cvt_nid = 0;
1810         per_pin->silent_stream = false;
1811
1812  unlock_out:
1813         mutex_unlock(&per_pin->lock);
1814
1815         snd_hda_power_down_pm(codec);
1816 }
1817
1818 /* update ELD and jack state via audio component */
1819 static void sync_eld_via_acomp(struct hda_codec *codec,
1820                                struct hdmi_spec_per_pin *per_pin)
1821 {
1822         struct hdmi_spec *spec = codec->spec;
1823         struct hdmi_eld *eld = &spec->temp_eld;
1824         bool monitor_prev, monitor_next;
1825
1826         mutex_lock(&per_pin->lock);
1827         eld->monitor_present = false;
1828         monitor_prev = per_pin->sink_eld.monitor_present;
1829         eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid,
1830                                       per_pin->dev_id, &eld->monitor_present,
1831                                       eld->eld_buffer, ELD_MAX_SIZE);
1832         eld->eld_valid = (eld->eld_size > 0);
1833         update_eld(codec, per_pin, eld, 0);
1834         monitor_next = per_pin->sink_eld.monitor_present;
1835         mutex_unlock(&per_pin->lock);
1836
1837         if (spec->silent_stream_type) {
1838                 if (!monitor_prev && monitor_next)
1839                         silent_stream_enable(codec, per_pin);
1840                 else if (monitor_prev && !monitor_next)
1841                         silent_stream_disable(codec, per_pin);
1842         }
1843 }
1844
1845 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1846 {
1847         struct hda_codec *codec = per_pin->codec;
1848
1849         if (!codec_has_acomp(codec))
1850                 hdmi_present_sense_via_verbs(per_pin, repoll);
1851         else
1852                 sync_eld_via_acomp(codec, per_pin);
1853 }
1854
1855 static void hdmi_repoll_eld(struct work_struct *work)
1856 {
1857         struct hdmi_spec_per_pin *per_pin =
1858         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1859         struct hda_codec *codec = per_pin->codec;
1860         struct hdmi_spec *spec = codec->spec;
1861         struct hda_jack_tbl *jack;
1862
1863         jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid,
1864                                         per_pin->dev_id);
1865         if (jack)
1866                 jack->jack_dirty = 1;
1867
1868         if (per_pin->repoll_count++ > 6)
1869                 per_pin->repoll_count = 0;
1870
1871         mutex_lock(&spec->pcm_lock);
1872         hdmi_present_sense(per_pin, per_pin->repoll_count);
1873         mutex_unlock(&spec->pcm_lock);
1874 }
1875
1876 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1877 {
1878         struct hdmi_spec *spec = codec->spec;
1879         unsigned int caps, config;
1880         int pin_idx;
1881         struct hdmi_spec_per_pin *per_pin;
1882         int err;
1883         int dev_num, i;
1884
1885         caps = snd_hda_query_pin_caps(codec, pin_nid);
1886         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1887                 return 0;
1888
1889         /*
1890          * For DP MST audio, Configuration Default is the same for
1891          * all device entries on the same pin
1892          */
1893         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1894         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE &&
1895             !spec->force_connect)
1896                 return 0;
1897
1898         /*
1899          * To simplify the implementation, malloc all
1900          * the virtual pins in the initialization statically
1901          */
1902         if (spec->intel_hsw_fixup) {
1903                 /*
1904                  * On Intel platforms, device entries count returned
1905                  * by AC_PAR_DEVLIST_LEN is dynamic, and depends on
1906                  * the type of receiver that is connected. Allocate pin
1907                  * structures based on worst case.
1908                  */
1909                 dev_num = spec->dev_num;
1910         } else if (codec->dp_mst) {
1911                 dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1;
1912                 /*
1913                  * spec->dev_num is the maxinum number of device entries
1914                  * among all the pins
1915                  */
1916                 spec->dev_num = (spec->dev_num > dev_num) ?
1917                         spec->dev_num : dev_num;
1918         } else {
1919                 /*
1920                  * If the platform doesn't support DP MST,
1921                  * manually set dev_num to 1. This means
1922                  * the pin has only one device entry.
1923                  */
1924                 dev_num = 1;
1925                 spec->dev_num = 1;
1926         }
1927
1928         for (i = 0; i < dev_num; i++) {
1929                 pin_idx = spec->num_pins;
1930                 per_pin = snd_array_new(&spec->pins);
1931
1932                 if (!per_pin)
1933                         return -ENOMEM;
1934
1935                 per_pin->pcm = NULL;
1936                 per_pin->pcm_idx = -1;
1937                 per_pin->prev_pcm_idx = -1;
1938                 per_pin->pin_nid = pin_nid;
1939                 per_pin->pin_nid_idx = spec->num_nids;
1940                 per_pin->dev_id = i;
1941                 per_pin->non_pcm = false;
1942                 snd_hda_set_dev_select(codec, pin_nid, i);
1943                 err = hdmi_read_pin_conn(codec, pin_idx);
1944                 if (err < 0)
1945                         return err;
1946                 if (!is_jack_detectable(codec, pin_nid))
1947                         codec_warn(codec, "HDMI: pin NID 0x%x - jack not detectable\n", pin_nid);
1948                 spec->num_pins++;
1949         }
1950         spec->num_nids++;
1951
1952         return 0;
1953 }
1954
1955 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1956 {
1957         struct hdmi_spec *spec = codec->spec;
1958         struct hdmi_spec_per_cvt *per_cvt;
1959         unsigned int chans;
1960         int err;
1961
1962         chans = get_wcaps(codec, cvt_nid);
1963         chans = get_wcaps_channels(chans);
1964
1965         per_cvt = snd_array_new(&spec->cvts);
1966         if (!per_cvt)
1967                 return -ENOMEM;
1968
1969         per_cvt->cvt_nid = cvt_nid;
1970         per_cvt->channels_min = 2;
1971         if (chans <= 16) {
1972                 per_cvt->channels_max = chans;
1973                 if (chans > spec->chmap.channels_max)
1974                         spec->chmap.channels_max = chans;
1975         }
1976
1977         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1978                                           &per_cvt->rates,
1979                                           &per_cvt->formats,
1980                                           &per_cvt->maxbps);
1981         if (err < 0)
1982                 return err;
1983
1984         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1985                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1986         spec->num_cvts++;
1987
1988         return 0;
1989 }
1990
1991 static const struct snd_pci_quirk force_connect_list[] = {
1992         SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1),
1993         SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1),
1994         SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1),
1995         SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1),
1996         SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1),
1997         SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1),
1998         {}
1999 };
2000
2001 static int hdmi_parse_codec(struct hda_codec *codec)
2002 {
2003         struct hdmi_spec *spec = codec->spec;
2004         hda_nid_t start_nid;
2005         unsigned int caps;
2006         int i, nodes;
2007         const struct snd_pci_quirk *q;
2008
2009         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid);
2010         if (!start_nid || nodes < 0) {
2011                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
2012                 return -EINVAL;
2013         }
2014
2015         if (enable_all_pins)
2016                 spec->force_connect = true;
2017
2018         q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list);
2019
2020         if (q && q->value)
2021                 spec->force_connect = true;
2022
2023         /*
2024          * hdmi_add_pin() assumes total amount of converters to
2025          * be known, so first discover all converters
2026          */
2027         for (i = 0; i < nodes; i++) {
2028                 hda_nid_t nid = start_nid + i;
2029
2030                 caps = get_wcaps(codec, nid);
2031
2032                 if (!(caps & AC_WCAP_DIGITAL))
2033                         continue;
2034
2035                 if (get_wcaps_type(caps) == AC_WID_AUD_OUT)
2036                         hdmi_add_cvt(codec, nid);
2037         }
2038
2039         /* discover audio pins */
2040         for (i = 0; i < nodes; i++) {
2041                 hda_nid_t nid = start_nid + i;
2042
2043                 caps = get_wcaps(codec, nid);
2044
2045                 if (!(caps & AC_WCAP_DIGITAL))
2046                         continue;
2047
2048                 if (get_wcaps_type(caps) == AC_WID_PIN)
2049                         hdmi_add_pin(codec, nid);
2050         }
2051
2052         return 0;
2053 }
2054
2055 /*
2056  */
2057 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
2058 {
2059         struct hda_spdif_out *spdif;
2060         bool non_pcm;
2061
2062         mutex_lock(&codec->spdif_mutex);
2063         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
2064         /* Add sanity check to pass klockwork check.
2065          * This should never happen.
2066          */
2067         if (WARN_ON(spdif == NULL)) {
2068                 mutex_unlock(&codec->spdif_mutex);
2069                 return true;
2070         }
2071         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
2072         mutex_unlock(&codec->spdif_mutex);
2073         return non_pcm;
2074 }
2075
2076 /*
2077  * HDMI callbacks
2078  */
2079
2080 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2081                                            struct hda_codec *codec,
2082                                            unsigned int stream_tag,
2083                                            unsigned int format,
2084                                            struct snd_pcm_substream *substream)
2085 {
2086         hda_nid_t cvt_nid = hinfo->nid;
2087         struct hdmi_spec *spec = codec->spec;
2088         int pin_idx;
2089         struct hdmi_spec_per_pin *per_pin;
2090         struct snd_pcm_runtime *runtime = substream->runtime;
2091         bool non_pcm;
2092         int pinctl, stripe;
2093         int err = 0;
2094
2095         mutex_lock(&spec->pcm_lock);
2096         pin_idx = hinfo_to_pin_index(codec, hinfo);
2097         if (pin_idx < 0) {
2098                 /* when pcm is not bound to a pin skip pin setup and return 0
2099                  * to make audio playback be ongoing
2100                  */
2101                 pin_cvt_fixup(codec, NULL, cvt_nid);
2102                 snd_hda_codec_setup_stream(codec, cvt_nid,
2103                                         stream_tag, 0, format);
2104                 goto unlock;
2105         }
2106
2107         per_pin = get_pin(spec, pin_idx);
2108
2109         /* Verify pin:cvt selections to avoid silent audio after S3.
2110          * After S3, the audio driver restores pin:cvt selections
2111          * but this can happen before gfx is ready and such selection
2112          * is overlooked by HW. Thus multiple pins can share a same
2113          * default convertor and mute control will affect each other,
2114          * which can cause a resumed audio playback become silent
2115          * after S3.
2116          */
2117         pin_cvt_fixup(codec, per_pin, 0);
2118
2119         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
2120         /* Todo: add DP1.2 MST audio support later */
2121         if (codec_has_acomp(codec))
2122                 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
2123                                          per_pin->dev_id, runtime->rate);
2124
2125         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
2126         mutex_lock(&per_pin->lock);
2127         per_pin->channels = substream->runtime->channels;
2128         per_pin->setup = true;
2129
2130         if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) {
2131                 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core,
2132                                                         substream);
2133                 snd_hda_codec_write(codec, cvt_nid, 0,
2134                                     AC_VERB_SET_STRIPE_CONTROL,
2135                                     stripe);
2136         }
2137
2138         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
2139         mutex_unlock(&per_pin->lock);
2140         if (spec->dyn_pin_out) {
2141                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
2142                                        per_pin->dev_id);
2143                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
2144                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
2145                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
2146                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
2147                                     pinctl | PIN_OUT);
2148         }
2149
2150         /* snd_hda_set_dev_select() has been called before */
2151         err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid,
2152                                      per_pin->dev_id, stream_tag, format);
2153  unlock:
2154         mutex_unlock(&spec->pcm_lock);
2155         return err;
2156 }
2157
2158 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
2159                                              struct hda_codec *codec,
2160                                              struct snd_pcm_substream *substream)
2161 {
2162         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2163         return 0;
2164 }
2165
2166 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
2167                           struct hda_codec *codec,
2168                           struct snd_pcm_substream *substream)
2169 {
2170         struct hdmi_spec *spec = codec->spec;
2171         int cvt_idx, pin_idx, pcm_idx;
2172         struct hdmi_spec_per_cvt *per_cvt;
2173         struct hdmi_spec_per_pin *per_pin;
2174         int pinctl;
2175         int err = 0;
2176
2177         mutex_lock(&spec->pcm_lock);
2178         if (hinfo->nid) {
2179                 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
2180                 if (snd_BUG_ON(pcm_idx < 0)) {
2181                         err = -EINVAL;
2182                         goto unlock;
2183                 }
2184                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
2185                 if (snd_BUG_ON(cvt_idx < 0)) {
2186                         err = -EINVAL;
2187                         goto unlock;
2188                 }
2189                 per_cvt = get_cvt(spec, cvt_idx);
2190                 per_cvt->assigned = false;
2191                 hinfo->nid = 0;
2192
2193                 azx_stream(get_azx_dev(substream))->stripe = 0;
2194
2195                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2196                 clear_bit(pcm_idx, &spec->pcm_in_use);
2197                 pin_idx = hinfo_to_pin_index(codec, hinfo);
2198                 /*
2199                  * In such a case, return 0 to match the behavior in
2200                  * hdmi_pcm_open()
2201                  */
2202                 if (pin_idx < 0)
2203                         goto unlock;
2204
2205                 per_pin = get_pin(spec, pin_idx);
2206
2207                 if (spec->dyn_pin_out) {
2208                         snd_hda_set_dev_select(codec, per_pin->pin_nid,
2209                                                per_pin->dev_id);
2210                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
2211                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
2212                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
2213                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
2214                                             pinctl & ~PIN_OUT);
2215                 }
2216
2217                 mutex_lock(&per_pin->lock);
2218                 per_pin->chmap_set = false;
2219                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
2220
2221                 per_pin->setup = false;
2222                 per_pin->channels = 0;
2223                 mutex_unlock(&per_pin->lock);
2224         }
2225
2226 unlock:
2227         mutex_unlock(&spec->pcm_lock);
2228
2229         return err;
2230 }
2231
2232 static const struct hda_pcm_ops generic_ops = {
2233         .open = hdmi_pcm_open,
2234         .close = hdmi_pcm_close,
2235         .prepare = generic_hdmi_playback_pcm_prepare,
2236         .cleanup = generic_hdmi_playback_pcm_cleanup,
2237 };
2238
2239 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
2240 {
2241         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2242         struct hdmi_spec *spec = codec->spec;
2243         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2244
2245         if (!per_pin)
2246                 return 0;
2247
2248         return per_pin->sink_eld.info.spk_alloc;
2249 }
2250
2251 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
2252                                         unsigned char *chmap)
2253 {
2254         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2255         struct hdmi_spec *spec = codec->spec;
2256         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2257
2258         /* chmap is already set to 0 in caller */
2259         if (!per_pin)
2260                 return;
2261
2262         memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
2263 }
2264
2265 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
2266                                 unsigned char *chmap, int prepared)
2267 {
2268         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2269         struct hdmi_spec *spec = codec->spec;
2270         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2271
2272         if (!per_pin)
2273                 return;
2274         mutex_lock(&per_pin->lock);
2275         per_pin->chmap_set = true;
2276         memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
2277         if (prepared)
2278                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2279         mutex_unlock(&per_pin->lock);
2280 }
2281
2282 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
2283 {
2284         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2285         struct hdmi_spec *spec = codec->spec;
2286         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2287
2288         return per_pin ? true:false;
2289 }
2290
2291 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2292 {
2293         struct hdmi_spec *spec = codec->spec;
2294         int idx, pcm_num;
2295
2296         /* limit the PCM devices to the codec converters or available PINs */
2297         pcm_num = min(spec->num_cvts, spec->num_pins);
2298         codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num);
2299
2300         for (idx = 0; idx < pcm_num; idx++) {
2301                 struct hda_pcm *info;
2302                 struct hda_pcm_stream *pstr;
2303
2304                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx);
2305                 if (!info)
2306                         return -ENOMEM;
2307
2308                 spec->pcm_rec[idx].pcm = info;
2309                 spec->pcm_used++;
2310                 info->pcm_type = HDA_PCM_TYPE_HDMI;
2311                 info->own_chmap = true;
2312
2313                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2314                 pstr->substreams = 1;
2315                 pstr->ops = generic_ops;
2316                 /* pcm number is less than pcm_rec array size */
2317                 if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec))
2318                         break;
2319                 /* other pstr fields are set in open */
2320         }
2321
2322         return 0;
2323 }
2324
2325 static void free_hdmi_jack_priv(struct snd_jack *jack)
2326 {
2327         struct hdmi_pcm *pcm = jack->private_data;
2328
2329         pcm->jack = NULL;
2330 }
2331
2332 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
2333 {
2334         char hdmi_str[32] = "HDMI/DP";
2335         struct hdmi_spec *spec = codec->spec;
2336         struct snd_jack *jack;
2337         int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
2338         int err;
2339
2340         if (pcmdev > 0)
2341                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2342
2343         err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack,
2344                            true, false);
2345         if (err < 0)
2346                 return err;
2347
2348         spec->pcm_rec[pcm_idx].jack = jack;
2349         jack->private_data = &spec->pcm_rec[pcm_idx];
2350         jack->private_free = free_hdmi_jack_priv;
2351         return 0;
2352 }
2353
2354 static int generic_hdmi_build_controls(struct hda_codec *codec)
2355 {
2356         struct hdmi_spec *spec = codec->spec;
2357         int dev, err;
2358         int pin_idx, pcm_idx;
2359
2360         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2361                 if (!get_pcm_rec(spec, pcm_idx)->pcm) {
2362                         /* no PCM: mark this for skipping permanently */
2363                         set_bit(pcm_idx, &spec->pcm_bitmap);
2364                         continue;
2365                 }
2366
2367                 err = generic_hdmi_build_jack(codec, pcm_idx);
2368                 if (err < 0)
2369                         return err;
2370
2371                 /* create the spdif for each pcm
2372                  * pin will be bound when monitor is connected
2373                  */
2374                 err = snd_hda_create_dig_out_ctls(codec,
2375                                           0, spec->cvt_nids[0],
2376                                           HDA_PCM_TYPE_HDMI);
2377                 if (err < 0)
2378                         return err;
2379                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2380
2381                 dev = get_pcm_rec(spec, pcm_idx)->device;
2382                 if (dev != SNDRV_PCM_INVALID_DEVICE) {
2383                         /* add control for ELD Bytes */
2384                         err = hdmi_create_eld_ctl(codec, pcm_idx, dev);
2385                         if (err < 0)
2386                                 return err;
2387                 }
2388         }
2389
2390         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2391                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2392                 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
2393
2394                 if (spec->static_pcm_mapping) {
2395                         hdmi_attach_hda_pcm(spec, per_pin);
2396                         hdmi_pcm_setup_pin(spec, per_pin);
2397                 }
2398
2399                 pin_eld->eld_valid = false;
2400                 hdmi_present_sense(per_pin, 0);
2401         }
2402
2403         /* add channel maps */
2404         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2405                 struct hda_pcm *pcm;
2406
2407                 pcm = get_pcm_rec(spec, pcm_idx);
2408                 if (!pcm || !pcm->pcm)
2409                         break;
2410                 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2411                 if (err < 0)
2412                         return err;
2413         }
2414
2415         return 0;
2416 }
2417
2418 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2419 {
2420         struct hdmi_spec *spec = codec->spec;
2421         int pin_idx;
2422
2423         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2424                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2425
2426                 per_pin->codec = codec;
2427                 mutex_init(&per_pin->lock);
2428                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2429                 eld_proc_new(per_pin, pin_idx);
2430         }
2431         return 0;
2432 }
2433
2434 static int generic_hdmi_init(struct hda_codec *codec)
2435 {
2436         struct hdmi_spec *spec = codec->spec;
2437         int pin_idx;
2438
2439         mutex_lock(&spec->bind_lock);
2440         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2441                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2442                 hda_nid_t pin_nid = per_pin->pin_nid;
2443                 int dev_id = per_pin->dev_id;
2444
2445                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
2446                 hdmi_init_pin(codec, pin_nid);
2447                 if (codec_has_acomp(codec))
2448                         continue;
2449                 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id,
2450                                                         jack_callback);
2451         }
2452         mutex_unlock(&spec->bind_lock);
2453         return 0;
2454 }
2455
2456 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2457 {
2458         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2459         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2460 }
2461
2462 static void hdmi_array_free(struct hdmi_spec *spec)
2463 {
2464         snd_array_free(&spec->pins);
2465         snd_array_free(&spec->cvts);
2466 }
2467
2468 static void generic_spec_free(struct hda_codec *codec)
2469 {
2470         struct hdmi_spec *spec = codec->spec;
2471
2472         if (spec) {
2473                 hdmi_array_free(spec);
2474                 kfree(spec);
2475                 codec->spec = NULL;
2476         }
2477         codec->dp_mst = false;
2478 }
2479
2480 static void generic_hdmi_free(struct hda_codec *codec)
2481 {
2482         struct hdmi_spec *spec = codec->spec;
2483         int pin_idx, pcm_idx;
2484
2485         if (spec->acomp_registered) {
2486                 snd_hdac_acomp_exit(&codec->bus->core);
2487         } else if (codec_has_acomp(codec)) {
2488                 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL);
2489         }
2490         codec->relaxed_resume = 0;
2491
2492         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2493                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2494                 cancel_delayed_work_sync(&per_pin->work);
2495                 eld_proc_free(per_pin);
2496         }
2497
2498         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2499                 if (spec->pcm_rec[pcm_idx].jack == NULL)
2500                         continue;
2501                 snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack);
2502         }
2503
2504         generic_spec_free(codec);
2505 }
2506
2507 #ifdef CONFIG_PM
2508 static int generic_hdmi_suspend(struct hda_codec *codec)
2509 {
2510         struct hdmi_spec *spec = codec->spec;
2511         int pin_idx;
2512
2513         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2514                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2515                 cancel_delayed_work_sync(&per_pin->work);
2516         }
2517         return 0;
2518 }
2519
2520 static int generic_hdmi_resume(struct hda_codec *codec)
2521 {
2522         struct hdmi_spec *spec = codec->spec;
2523         int pin_idx;
2524
2525         codec->patch_ops.init(codec);
2526         snd_hda_regmap_sync(codec);
2527
2528         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2529                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2530                 hdmi_present_sense(per_pin, 1);
2531         }
2532         return 0;
2533 }
2534 #endif
2535
2536 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2537         .init                   = generic_hdmi_init,
2538         .free                   = generic_hdmi_free,
2539         .build_pcms             = generic_hdmi_build_pcms,
2540         .build_controls         = generic_hdmi_build_controls,
2541         .unsol_event            = hdmi_unsol_event,
2542 #ifdef CONFIG_PM
2543         .suspend                = generic_hdmi_suspend,
2544         .resume                 = generic_hdmi_resume,
2545 #endif
2546 };
2547
2548 static const struct hdmi_ops generic_standard_hdmi_ops = {
2549         .pin_get_eld                            = hdmi_pin_get_eld,
2550         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2551         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2552         .setup_stream                           = hdmi_setup_stream,
2553 };
2554
2555 /* allocate codec->spec and assign/initialize generic parser ops */
2556 static int alloc_generic_hdmi(struct hda_codec *codec)
2557 {
2558         struct hdmi_spec *spec;
2559
2560         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2561         if (!spec)
2562                 return -ENOMEM;
2563
2564         spec->codec = codec;
2565         spec->ops = generic_standard_hdmi_ops;
2566         spec->dev_num = 1;      /* initialize to 1 */
2567         mutex_init(&spec->pcm_lock);
2568         mutex_init(&spec->bind_lock);
2569         snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2570
2571         spec->chmap.ops.get_chmap = hdmi_get_chmap;
2572         spec->chmap.ops.set_chmap = hdmi_set_chmap;
2573         spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2574         spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc;
2575
2576         codec->spec = spec;
2577         hdmi_array_init(spec, 4);
2578
2579         codec->patch_ops = generic_hdmi_patch_ops;
2580
2581         return 0;
2582 }
2583
2584 /* generic HDMI parser */
2585 static int patch_generic_hdmi(struct hda_codec *codec)
2586 {
2587         int err;
2588
2589         err = alloc_generic_hdmi(codec);
2590         if (err < 0)
2591                 return err;
2592
2593         err = hdmi_parse_codec(codec);
2594         if (err < 0) {
2595                 generic_spec_free(codec);
2596                 return err;
2597         }
2598
2599         generic_hdmi_init_per_pins(codec);
2600         return 0;
2601 }
2602
2603 /*
2604  * generic audio component binding
2605  */
2606
2607 /* turn on / off the unsol event jack detection dynamically */
2608 static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid,
2609                                   int dev_id, bool use_acomp)
2610 {
2611         struct hda_jack_tbl *tbl;
2612
2613         tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
2614         if (tbl) {
2615                 /* clear unsol even if component notifier is used, or re-enable
2616                  * if notifier is cleared
2617                  */
2618                 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag);
2619                 snd_hda_codec_write_cache(codec, nid, 0,
2620                                           AC_VERB_SET_UNSOLICITED_ENABLE, val);
2621         }
2622 }
2623
2624 /* set up / clear component notifier dynamically */
2625 static void generic_acomp_notifier_set(struct drm_audio_component *acomp,
2626                                        bool use_acomp)
2627 {
2628         struct hdmi_spec *spec;
2629         int i;
2630
2631         spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops);
2632         mutex_lock(&spec->bind_lock);
2633         spec->use_acomp_notifier = use_acomp;
2634         spec->codec->relaxed_resume = use_acomp;
2635         spec->codec->bus->keep_power = 0;
2636         /* reprogram each jack detection logic depending on the notifier */
2637         for (i = 0; i < spec->num_pins; i++)
2638                 reprogram_jack_detect(spec->codec,
2639                                       get_pin(spec, i)->pin_nid,
2640                                       get_pin(spec, i)->dev_id,
2641                                       use_acomp);
2642         mutex_unlock(&spec->bind_lock);
2643 }
2644
2645 /* enable / disable the notifier via master bind / unbind */
2646 static int generic_acomp_master_bind(struct device *dev,
2647                                      struct drm_audio_component *acomp)
2648 {
2649         generic_acomp_notifier_set(acomp, true);
2650         return 0;
2651 }
2652
2653 static void generic_acomp_master_unbind(struct device *dev,
2654                                         struct drm_audio_component *acomp)
2655 {
2656         generic_acomp_notifier_set(acomp, false);
2657 }
2658
2659 /* check whether both HD-audio and DRM PCI devices belong to the same bus */
2660 static int match_bound_vga(struct device *dev, int subtype, void *data)
2661 {
2662         struct hdac_bus *bus = data;
2663         struct pci_dev *pci, *master;
2664
2665         if (!dev_is_pci(dev) || !dev_is_pci(bus->dev))
2666                 return 0;
2667         master = to_pci_dev(bus->dev);
2668         pci = to_pci_dev(dev);
2669         return master->bus == pci->bus;
2670 }
2671
2672 /* audio component notifier for AMD/Nvidia HDMI codecs */
2673 static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id)
2674 {
2675         struct hda_codec *codec = audio_ptr;
2676         struct hdmi_spec *spec = codec->spec;
2677         hda_nid_t pin_nid = spec->port2pin(codec, port);
2678
2679         if (!pin_nid)
2680                 return;
2681         if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN)
2682                 return;
2683         /* skip notification during system suspend (but not in runtime PM);
2684          * the state will be updated at resume
2685          */
2686         if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
2687                 return;
2688
2689         check_presence_and_report(codec, pin_nid, dev_id);
2690 }
2691
2692 /* set up the private drm_audio_ops from the template */
2693 static void setup_drm_audio_ops(struct hda_codec *codec,
2694                                 const struct drm_audio_component_audio_ops *ops)
2695 {
2696         struct hdmi_spec *spec = codec->spec;
2697
2698         spec->drm_audio_ops.audio_ptr = codec;
2699         /* intel_audio_codec_enable() or intel_audio_codec_disable()
2700          * will call pin_eld_notify with using audio_ptr pointer
2701          * We need make sure audio_ptr is really setup
2702          */
2703         wmb();
2704         spec->drm_audio_ops.pin2port = ops->pin2port;
2705         spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify;
2706         spec->drm_audio_ops.master_bind = ops->master_bind;
2707         spec->drm_audio_ops.master_unbind = ops->master_unbind;
2708 }
2709
2710 /* initialize the generic HDMI audio component */
2711 static void generic_acomp_init(struct hda_codec *codec,
2712                                const struct drm_audio_component_audio_ops *ops,
2713                                int (*port2pin)(struct hda_codec *, int))
2714 {
2715         struct hdmi_spec *spec = codec->spec;
2716
2717         if (!enable_acomp) {
2718                 codec_info(codec, "audio component disabled by module option\n");
2719                 return;
2720         }
2721
2722         spec->port2pin = port2pin;
2723         setup_drm_audio_ops(codec, ops);
2724         if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops,
2725                                  match_bound_vga, 0)) {
2726                 spec->acomp_registered = true;
2727         }
2728 }
2729
2730 /*
2731  * Intel codec parsers and helpers
2732  */
2733
2734 #define INTEL_GET_VENDOR_VERB   0xf81
2735 #define INTEL_SET_VENDOR_VERB   0x781
2736 #define INTEL_EN_DP12           0x02    /* enable DP 1.2 features */
2737 #define INTEL_EN_ALL_PIN_CVTS   0x01    /* enable 2nd & 3rd pins and convertors */
2738
2739 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2740                                           bool update_tree)
2741 {
2742         unsigned int vendor_param;
2743         struct hdmi_spec *spec = codec->spec;
2744
2745         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2746                                 INTEL_GET_VENDOR_VERB, 0);
2747         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2748                 return;
2749
2750         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2751         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2752                                 INTEL_SET_VENDOR_VERB, vendor_param);
2753         if (vendor_param == -1)
2754                 return;
2755
2756         if (update_tree)
2757                 snd_hda_codec_update_widgets(codec);
2758 }
2759
2760 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2761 {
2762         unsigned int vendor_param;
2763         struct hdmi_spec *spec = codec->spec;
2764
2765         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2766                                 INTEL_GET_VENDOR_VERB, 0);
2767         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2768                 return;
2769
2770         /* enable DP1.2 mode */
2771         vendor_param |= INTEL_EN_DP12;
2772         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2773         snd_hda_codec_write_cache(codec, spec->vendor_nid, 0,
2774                                 INTEL_SET_VENDOR_VERB, vendor_param);
2775 }
2776
2777 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2778  * Otherwise you may get severe h/w communication errors.
2779  */
2780 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2781                                 unsigned int power_state)
2782 {
2783         if (power_state == AC_PWRST_D0) {
2784                 intel_haswell_enable_all_pins(codec, false);
2785                 intel_haswell_fixup_enable_dp12(codec);
2786         }
2787
2788         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2789         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2790 }
2791
2792 /* There is a fixed mapping between audio pin node and display port.
2793  * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
2794  * Pin Widget 5 - PORT B (port = 1 in i915 driver)
2795  * Pin Widget 6 - PORT C (port = 2 in i915 driver)
2796  * Pin Widget 7 - PORT D (port = 3 in i915 driver)
2797  *
2798  * on VLV, ILK:
2799  * Pin Widget 4 - PORT B (port = 1 in i915 driver)
2800  * Pin Widget 5 - PORT C (port = 2 in i915 driver)
2801  * Pin Widget 6 - PORT D (port = 3 in i915 driver)
2802  */
2803 static int intel_base_nid(struct hda_codec *codec)
2804 {
2805         switch (codec->core.vendor_id) {
2806         case 0x80860054: /* ILK */
2807         case 0x80862804: /* ILK */
2808         case 0x80862882: /* VLV */
2809                 return 4;
2810         default:
2811                 return 5;
2812         }
2813 }
2814
2815 static int intel_pin2port(void *audio_ptr, int pin_nid)
2816 {
2817         struct hda_codec *codec = audio_ptr;
2818         struct hdmi_spec *spec = codec->spec;
2819         int base_nid, i;
2820
2821         if (!spec->port_num) {
2822                 base_nid = intel_base_nid(codec);
2823                 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
2824                         return -1;
2825                 return pin_nid - base_nid + 1;
2826         }
2827
2828         /*
2829          * looking for the pin number in the mapping table and return
2830          * the index which indicate the port number
2831          */
2832         for (i = 0; i < spec->port_num; i++) {
2833                 if (pin_nid == spec->port_map[i])
2834                         return i;
2835         }
2836
2837         codec_info(codec, "Can't find the HDMI/DP port for pin NID 0x%x\n", pin_nid);
2838         return -1;
2839 }
2840
2841 static int intel_port2pin(struct hda_codec *codec, int port)
2842 {
2843         struct hdmi_spec *spec = codec->spec;
2844
2845         if (!spec->port_num) {
2846                 /* we assume only from port-B to port-D */
2847                 if (port < 1 || port > 3)
2848                         return 0;
2849                 return port + intel_base_nid(codec) - 1;
2850         }
2851
2852         if (port < 0 || port >= spec->port_num)
2853                 return 0;
2854         return spec->port_map[port];
2855 }
2856
2857 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
2858 {
2859         struct hda_codec *codec = audio_ptr;
2860         int pin_nid;
2861         int dev_id = pipe;
2862
2863         pin_nid = intel_port2pin(codec, port);
2864         if (!pin_nid)
2865                 return;
2866         /* skip notification during system suspend (but not in runtime PM);
2867          * the state will be updated at resume
2868          */
2869         if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
2870                 return;
2871
2872         snd_hdac_i915_set_bclk(&codec->bus->core);
2873         check_presence_and_report(codec, pin_nid, dev_id);
2874 }
2875
2876 static const struct drm_audio_component_audio_ops intel_audio_ops = {
2877         .pin2port = intel_pin2port,
2878         .pin_eld_notify = intel_pin_eld_notify,
2879 };
2880
2881 /* register i915 component pin_eld_notify callback */
2882 static void register_i915_notifier(struct hda_codec *codec)
2883 {
2884         struct hdmi_spec *spec = codec->spec;
2885
2886         spec->use_acomp_notifier = true;
2887         spec->port2pin = intel_port2pin;
2888         setup_drm_audio_ops(codec, &intel_audio_ops);
2889         snd_hdac_acomp_register_notifier(&codec->bus->core,
2890                                         &spec->drm_audio_ops);
2891         /* no need for forcible resume for jack check thanks to notifier */
2892         codec->relaxed_resume = 1;
2893 }
2894
2895 /* setup_stream ops override for HSW+ */
2896 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
2897                                  hda_nid_t pin_nid, int dev_id, u32 stream_tag,
2898                                  int format)
2899 {
2900         struct hdmi_spec *spec = codec->spec;
2901         int pin_idx = pin_id_to_pin_index(codec, pin_nid, dev_id);
2902         struct hdmi_spec_per_pin *per_pin;
2903         int res;
2904
2905         if (pin_idx < 0)
2906                 per_pin = NULL;
2907         else
2908                 per_pin = get_pin(spec, pin_idx);
2909
2910         haswell_verify_D0(codec, cvt_nid, pin_nid);
2911
2912         if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) {
2913                 silent_stream_set_kae(codec, per_pin, false);
2914                 /* wait for pending transfers in codec to clear */
2915                 usleep_range(100, 200);
2916         }
2917
2918         res = hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
2919                                 stream_tag, format);
2920
2921         if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) {
2922                 usleep_range(100, 200);
2923                 silent_stream_set_kae(codec, per_pin, true);
2924         }
2925
2926         return res;
2927 }
2928
2929 /* pin_cvt_fixup ops override for HSW+ and VLV+ */
2930 static void i915_pin_cvt_fixup(struct hda_codec *codec,
2931                                struct hdmi_spec_per_pin *per_pin,
2932                                hda_nid_t cvt_nid)
2933 {
2934         if (per_pin) {
2935                 haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid);
2936                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
2937                                per_pin->dev_id);
2938                 intel_verify_pin_cvt_connect(codec, per_pin);
2939                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
2940                                      per_pin->dev_id, per_pin->mux_idx);
2941         } else {
2942                 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid);
2943         }
2944 }
2945
2946 #ifdef CONFIG_PM
2947 static int i915_adlp_hdmi_suspend(struct hda_codec *codec)
2948 {
2949         struct hdmi_spec *spec = codec->spec;
2950         bool silent_streams = false;
2951         int pin_idx, res;
2952
2953         res = generic_hdmi_suspend(codec);
2954
2955         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2956                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2957
2958                 if (per_pin->silent_stream) {
2959                         silent_streams = true;
2960                         break;
2961                 }
2962         }
2963
2964         if (silent_streams && spec->silent_stream_type == SILENT_STREAM_KAE) {
2965                 /*
2966                  * stream-id should remain programmed when codec goes
2967                  * to runtime suspend
2968                  */
2969                 codec->no_stream_clean_at_suspend = 1;
2970
2971                 /*
2972                  * the system might go to S3, in which case keep-alive
2973                  * must be reprogrammed upon resume
2974                  */
2975                 codec->forced_resume = 1;
2976
2977                 codec_dbg(codec, "HDMI: KAE active at suspend\n");
2978         } else {
2979                 codec->no_stream_clean_at_suspend = 0;
2980                 codec->forced_resume = 0;
2981         }
2982
2983         return res;
2984 }
2985
2986 static int i915_adlp_hdmi_resume(struct hda_codec *codec)
2987 {
2988         struct hdmi_spec *spec = codec->spec;
2989         int pin_idx, res;
2990
2991         res = generic_hdmi_resume(codec);
2992
2993         /* KAE not programmed at suspend, nothing to do here */
2994         if (!codec->no_stream_clean_at_suspend)
2995                 return res;
2996
2997         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2998                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2999
3000                 /*
3001                  * If system was in suspend with monitor connected,
3002                  * the codec setting may have been lost. Re-enable
3003                  * keep-alive.
3004                  */
3005                 if (per_pin->silent_stream) {
3006                         unsigned int param;
3007
3008                         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0,
3009                                                    AC_VERB_GET_CONV, 0);
3010                         if (!param) {
3011                                 codec_dbg(codec, "HDMI: KAE: restore stream id\n");
3012                                 silent_stream_enable_i915(codec, per_pin);
3013                         }
3014
3015                         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0,
3016                                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
3017                         if (!(param & (AC_DIG3_KAE << 16))) {
3018                                 codec_dbg(codec, "HDMI: KAE: restore DIG3_KAE\n");
3019                                 silent_stream_set_kae(codec, per_pin, true);
3020                         }
3021                 }
3022         }
3023
3024         return res;
3025 }
3026 #endif
3027
3028 /* precondition and allocation for Intel codecs */
3029 static int alloc_intel_hdmi(struct hda_codec *codec)
3030 {
3031         int err;
3032
3033         /* requires i915 binding */
3034         if (!codec->bus->core.audio_component) {
3035                 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
3036                 /* set probe_id here to prevent generic fallback binding */
3037                 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE;
3038                 return -ENODEV;
3039         }
3040
3041         err = alloc_generic_hdmi(codec);
3042         if (err < 0)
3043                 return err;
3044         /* no need to handle unsol events */
3045         codec->patch_ops.unsol_event = NULL;
3046         return 0;
3047 }
3048
3049 /* parse and post-process for Intel codecs */
3050 static int parse_intel_hdmi(struct hda_codec *codec)
3051 {
3052         int err, retries = 3;
3053
3054         do {
3055                 err = hdmi_parse_codec(codec);
3056         } while (err < 0 && retries--);
3057
3058         if (err < 0) {
3059                 generic_spec_free(codec);
3060                 return err;
3061         }
3062
3063         generic_hdmi_init_per_pins(codec);
3064         register_i915_notifier(codec);
3065         return 0;
3066 }
3067
3068 /* Intel Haswell and onwards; audio component with eld notifier */
3069 static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid,
3070                                  const int *port_map, int port_num, int dev_num,
3071                                  bool send_silent_stream)
3072 {
3073         struct hdmi_spec *spec;
3074         int err;
3075
3076         err = alloc_intel_hdmi(codec);
3077         if (err < 0)
3078                 return err;
3079         spec = codec->spec;
3080         codec->dp_mst = true;
3081         spec->vendor_nid = vendor_nid;
3082         spec->port_map = port_map;
3083         spec->port_num = port_num;
3084         spec->intel_hsw_fixup = true;
3085         spec->dev_num = dev_num;
3086
3087         intel_haswell_enable_all_pins(codec, true);
3088         intel_haswell_fixup_enable_dp12(codec);
3089
3090         codec->display_power_control = 1;
3091
3092         codec->patch_ops.set_power_state = haswell_set_power_state;
3093         codec->depop_delay = 0;
3094         codec->auto_runtime_pm = 1;
3095
3096         spec->ops.setup_stream = i915_hsw_setup_stream;
3097         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
3098
3099         /*
3100          * Enable silent stream feature, if it is enabled via
3101          * module param or Kconfig option
3102          */
3103         if (send_silent_stream)
3104                 spec->silent_stream_type = SILENT_STREAM_I915;
3105
3106         return parse_intel_hdmi(codec);
3107 }
3108
3109 static int patch_i915_hsw_hdmi(struct hda_codec *codec)
3110 {
3111         return intel_hsw_common_init(codec, 0x08, NULL, 0, 3,
3112                                      enable_silent_stream);
3113 }
3114
3115 static int patch_i915_glk_hdmi(struct hda_codec *codec)
3116 {
3117         /*
3118          * Silent stream calls audio component .get_power() from
3119          * .pin_eld_notify(). On GLK this will deadlock in i915 due
3120          * to the audio vs. CDCLK workaround.
3121          */
3122         return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3, false);
3123 }
3124
3125 static int patch_i915_icl_hdmi(struct hda_codec *codec)
3126 {
3127         /*
3128          * pin to port mapping table where the value indicate the pin number and
3129          * the index indicate the port number.
3130          */
3131         static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb};
3132
3133         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3,
3134                                      enable_silent_stream);
3135 }
3136
3137 static int patch_i915_tgl_hdmi(struct hda_codec *codec)
3138 {
3139         /*
3140          * pin to port mapping table where the value indicate the pin number and
3141          * the index indicate the port number.
3142          */
3143         static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
3144
3145         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4,
3146                                      enable_silent_stream);
3147 }
3148
3149 static int patch_i915_adlp_hdmi(struct hda_codec *codec)
3150 {
3151         struct hdmi_spec *spec;
3152         int res;
3153
3154         res = patch_i915_tgl_hdmi(codec);
3155         if (!res) {
3156                 spec = codec->spec;
3157
3158                 if (spec->silent_stream_type) {
3159                         spec->silent_stream_type = SILENT_STREAM_KAE;
3160
3161 #ifdef CONFIG_PM
3162                         codec->patch_ops.resume = i915_adlp_hdmi_resume;
3163                         codec->patch_ops.suspend = i915_adlp_hdmi_suspend;
3164 #endif
3165                 }
3166         }
3167
3168         return res;
3169 }
3170
3171 /* Intel Baytrail and Braswell; with eld notifier */
3172 static int patch_i915_byt_hdmi(struct hda_codec *codec)
3173 {
3174         struct hdmi_spec *spec;
3175         int err;
3176
3177         err = alloc_intel_hdmi(codec);
3178         if (err < 0)
3179                 return err;
3180         spec = codec->spec;
3181
3182         /* For Valleyview/Cherryview, only the display codec is in the display
3183          * power well and can use link_power ops to request/release the power.
3184          */
3185         codec->display_power_control = 1;
3186
3187         codec->depop_delay = 0;
3188         codec->auto_runtime_pm = 1;
3189
3190         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
3191
3192         return parse_intel_hdmi(codec);
3193 }
3194
3195 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
3196 static int patch_i915_cpt_hdmi(struct hda_codec *codec)
3197 {
3198         int err;
3199
3200         err = alloc_intel_hdmi(codec);
3201         if (err < 0)
3202                 return err;
3203         return parse_intel_hdmi(codec);
3204 }
3205
3206 /*
3207  * Shared non-generic implementations
3208  */
3209
3210 static int simple_playback_build_pcms(struct hda_codec *codec)
3211 {
3212         struct hdmi_spec *spec = codec->spec;
3213         struct hda_pcm *info;
3214         unsigned int chans;
3215         struct hda_pcm_stream *pstr;
3216         struct hdmi_spec_per_cvt *per_cvt;
3217
3218         per_cvt = get_cvt(spec, 0);
3219         chans = get_wcaps(codec, per_cvt->cvt_nid);
3220         chans = get_wcaps_channels(chans);
3221
3222         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
3223         if (!info)
3224                 return -ENOMEM;
3225         spec->pcm_rec[0].pcm = info;
3226         info->pcm_type = HDA_PCM_TYPE_HDMI;
3227         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
3228         *pstr = spec->pcm_playback;
3229         pstr->nid = per_cvt->cvt_nid;
3230         if (pstr->channels_max <= 2 && chans && chans <= 16)
3231                 pstr->channels_max = chans;
3232
3233         return 0;
3234 }
3235
3236 /* unsolicited event for jack sensing */
3237 static void simple_hdmi_unsol_event(struct hda_codec *codec,
3238                                     unsigned int res)
3239 {
3240         snd_hda_jack_set_dirty_all(codec);
3241         snd_hda_jack_report_sync(codec);
3242 }
3243
3244 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
3245  * as long as spec->pins[] is set correctly
3246  */
3247 #define simple_hdmi_build_jack  generic_hdmi_build_jack
3248
3249 static int simple_playback_build_controls(struct hda_codec *codec)
3250 {
3251         struct hdmi_spec *spec = codec->spec;
3252         struct hdmi_spec_per_cvt *per_cvt;
3253         int err;
3254
3255         per_cvt = get_cvt(spec, 0);
3256         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
3257                                           per_cvt->cvt_nid,
3258                                           HDA_PCM_TYPE_HDMI);
3259         if (err < 0)
3260                 return err;
3261         return simple_hdmi_build_jack(codec, 0);
3262 }
3263
3264 static int simple_playback_init(struct hda_codec *codec)
3265 {
3266         struct hdmi_spec *spec = codec->spec;
3267         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
3268         hda_nid_t pin = per_pin->pin_nid;
3269
3270         snd_hda_codec_write(codec, pin, 0,
3271                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
3272         /* some codecs require to unmute the pin */
3273         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
3274                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
3275                                     AMP_OUT_UNMUTE);
3276         snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id);
3277         return 0;
3278 }
3279
3280 static void simple_playback_free(struct hda_codec *codec)
3281 {
3282         struct hdmi_spec *spec = codec->spec;
3283
3284         hdmi_array_free(spec);
3285         kfree(spec);
3286 }
3287
3288 /*
3289  * Nvidia specific implementations
3290  */
3291
3292 #define Nv_VERB_SET_Channel_Allocation          0xF79
3293 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
3294 #define Nv_VERB_SET_Audio_Protection_On         0xF98
3295 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
3296
3297 #define nvhdmi_master_con_nid_7x        0x04
3298 #define nvhdmi_master_pin_nid_7x        0x05
3299
3300 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
3301         /*front, rear, clfe, rear_surr */
3302         0x6, 0x8, 0xa, 0xc,
3303 };
3304
3305 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
3306         /* set audio protect on */
3307         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
3308         /* enable digital output on pin widget */
3309         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3310         {} /* terminator */
3311 };
3312
3313 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
3314         /* set audio protect on */
3315         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
3316         /* enable digital output on pin widget */
3317         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3318         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3319         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3320         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3321         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3322         {} /* terminator */
3323 };
3324
3325 #ifdef LIMITED_RATE_FMT_SUPPORT
3326 /* support only the safe format and rate */
3327 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
3328 #define SUPPORTED_MAXBPS        16
3329 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
3330 #else
3331 /* support all rates and formats */
3332 #define SUPPORTED_RATES \
3333         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
3334         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
3335          SNDRV_PCM_RATE_192000)
3336 #define SUPPORTED_MAXBPS        24
3337 #define SUPPORTED_FORMATS \
3338         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
3339 #endif
3340
3341 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
3342 {
3343         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
3344         return 0;
3345 }
3346
3347 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
3348 {
3349         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
3350         return 0;
3351 }
3352
3353 static const unsigned int channels_2_6_8[] = {
3354         2, 6, 8
3355 };
3356
3357 static const unsigned int channels_2_8[] = {
3358         2, 8
3359 };
3360
3361 static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
3362         .count = ARRAY_SIZE(channels_2_6_8),
3363         .list = channels_2_6_8,
3364         .mask = 0,
3365 };
3366
3367 static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
3368         .count = ARRAY_SIZE(channels_2_8),
3369         .list = channels_2_8,
3370         .mask = 0,
3371 };
3372
3373 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
3374                                     struct hda_codec *codec,
3375                                     struct snd_pcm_substream *substream)
3376 {
3377         struct hdmi_spec *spec = codec->spec;
3378         const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
3379
3380         switch (codec->preset->vendor_id) {
3381         case 0x10de0002:
3382         case 0x10de0003:
3383         case 0x10de0005:
3384         case 0x10de0006:
3385                 hw_constraints_channels = &hw_constraints_2_8_channels;
3386                 break;
3387         case 0x10de0007:
3388                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
3389                 break;
3390         default:
3391                 break;
3392         }
3393
3394         if (hw_constraints_channels != NULL) {
3395                 snd_pcm_hw_constraint_list(substream->runtime, 0,
3396                                 SNDRV_PCM_HW_PARAM_CHANNELS,
3397                                 hw_constraints_channels);
3398         } else {
3399                 snd_pcm_hw_constraint_step(substream->runtime, 0,
3400                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3401         }
3402
3403         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
3404 }
3405
3406 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
3407                                      struct hda_codec *codec,
3408                                      struct snd_pcm_substream *substream)
3409 {
3410         struct hdmi_spec *spec = codec->spec;
3411         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3412 }
3413
3414 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
3415                                        struct hda_codec *codec,
3416                                        unsigned int stream_tag,
3417                                        unsigned int format,
3418                                        struct snd_pcm_substream *substream)
3419 {
3420         struct hdmi_spec *spec = codec->spec;
3421         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
3422                                              stream_tag, format, substream);
3423 }
3424
3425 static const struct hda_pcm_stream simple_pcm_playback = {
3426         .substreams = 1,
3427         .channels_min = 2,
3428         .channels_max = 2,
3429         .ops = {
3430                 .open = simple_playback_pcm_open,
3431                 .close = simple_playback_pcm_close,
3432                 .prepare = simple_playback_pcm_prepare
3433         },
3434 };
3435
3436 static const struct hda_codec_ops simple_hdmi_patch_ops = {
3437         .build_controls = simple_playback_build_controls,
3438         .build_pcms = simple_playback_build_pcms,
3439         .init = simple_playback_init,
3440         .free = simple_playback_free,
3441         .unsol_event = simple_hdmi_unsol_event,
3442 };
3443
3444 static int patch_simple_hdmi(struct hda_codec *codec,
3445                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
3446 {
3447         struct hdmi_spec *spec;
3448         struct hdmi_spec_per_cvt *per_cvt;
3449         struct hdmi_spec_per_pin *per_pin;
3450
3451         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
3452         if (!spec)
3453                 return -ENOMEM;
3454
3455         spec->codec = codec;
3456         codec->spec = spec;
3457         hdmi_array_init(spec, 1);
3458
3459         spec->multiout.num_dacs = 0;  /* no analog */
3460         spec->multiout.max_channels = 2;
3461         spec->multiout.dig_out_nid = cvt_nid;
3462         spec->num_cvts = 1;
3463         spec->num_pins = 1;
3464         per_pin = snd_array_new(&spec->pins);
3465         per_cvt = snd_array_new(&spec->cvts);
3466         if (!per_pin || !per_cvt) {
3467                 simple_playback_free(codec);
3468                 return -ENOMEM;
3469         }
3470         per_cvt->cvt_nid = cvt_nid;
3471         per_pin->pin_nid = pin_nid;
3472         spec->pcm_playback = simple_pcm_playback;
3473
3474         codec->patch_ops = simple_hdmi_patch_ops;
3475
3476         return 0;
3477 }
3478
3479 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
3480                                                     int channels)
3481 {
3482         unsigned int chanmask;
3483         int chan = channels ? (channels - 1) : 1;
3484
3485         switch (channels) {
3486         default:
3487         case 0:
3488         case 2:
3489                 chanmask = 0x00;
3490                 break;
3491         case 4:
3492                 chanmask = 0x08;
3493                 break;
3494         case 6:
3495                 chanmask = 0x0b;
3496                 break;
3497         case 8:
3498                 chanmask = 0x13;
3499                 break;
3500         }
3501
3502         /* Set the audio infoframe channel allocation and checksum fields.  The
3503          * channel count is computed implicitly by the hardware. */
3504         snd_hda_codec_write(codec, 0x1, 0,
3505                         Nv_VERB_SET_Channel_Allocation, chanmask);
3506
3507         snd_hda_codec_write(codec, 0x1, 0,
3508                         Nv_VERB_SET_Info_Frame_Checksum,
3509                         (0x71 - chan - chanmask));
3510 }
3511
3512 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
3513                                    struct hda_codec *codec,
3514                                    struct snd_pcm_substream *substream)
3515 {
3516         struct hdmi_spec *spec = codec->spec;
3517         int i;
3518
3519         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
3520                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
3521         for (i = 0; i < 4; i++) {
3522                 /* set the stream id */
3523                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3524                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
3525                 /* set the stream format */
3526                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3527                                 AC_VERB_SET_STREAM_FORMAT, 0);
3528         }
3529
3530         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
3531          * streams are disabled. */
3532         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3533
3534         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3535 }
3536
3537 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
3538                                      struct hda_codec *codec,
3539                                      unsigned int stream_tag,
3540                                      unsigned int format,
3541                                      struct snd_pcm_substream *substream)
3542 {
3543         int chs;
3544         unsigned int dataDCC2, channel_id;
3545         int i;
3546         struct hdmi_spec *spec = codec->spec;
3547         struct hda_spdif_out *spdif;
3548         struct hdmi_spec_per_cvt *per_cvt;
3549
3550         mutex_lock(&codec->spdif_mutex);
3551         per_cvt = get_cvt(spec, 0);
3552         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
3553
3554         chs = substream->runtime->channels;
3555
3556         dataDCC2 = 0x2;
3557
3558         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
3559         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
3560                 snd_hda_codec_write(codec,
3561                                 nvhdmi_master_con_nid_7x,
3562                                 0,
3563                                 AC_VERB_SET_DIGI_CONVERT_1,
3564                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3565
3566         /* set the stream id */
3567         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3568                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
3569
3570         /* set the stream format */
3571         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3572                         AC_VERB_SET_STREAM_FORMAT, format);
3573
3574         /* turn on again (if needed) */
3575         /* enable and set the channel status audio/data flag */
3576         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
3577                 snd_hda_codec_write(codec,
3578                                 nvhdmi_master_con_nid_7x,
3579                                 0,
3580                                 AC_VERB_SET_DIGI_CONVERT_1,
3581                                 spdif->ctls & 0xff);
3582                 snd_hda_codec_write(codec,
3583                                 nvhdmi_master_con_nid_7x,
3584                                 0,
3585                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3586         }
3587
3588         for (i = 0; i < 4; i++) {
3589                 if (chs == 2)
3590                         channel_id = 0;
3591                 else
3592                         channel_id = i * 2;
3593
3594                 /* turn off SPDIF once;
3595                  *otherwise the IEC958 bits won't be updated
3596                  */
3597                 if (codec->spdif_status_reset &&
3598                 (spdif->ctls & AC_DIG1_ENABLE))
3599                         snd_hda_codec_write(codec,
3600                                 nvhdmi_con_nids_7x[i],
3601                                 0,
3602                                 AC_VERB_SET_DIGI_CONVERT_1,
3603                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3604                 /* set the stream id */
3605                 snd_hda_codec_write(codec,
3606                                 nvhdmi_con_nids_7x[i],
3607                                 0,
3608                                 AC_VERB_SET_CHANNEL_STREAMID,
3609                                 (stream_tag << 4) | channel_id);
3610                 /* set the stream format */
3611                 snd_hda_codec_write(codec,
3612                                 nvhdmi_con_nids_7x[i],
3613                                 0,
3614                                 AC_VERB_SET_STREAM_FORMAT,
3615                                 format);
3616                 /* turn on again (if needed) */
3617                 /* enable and set the channel status audio/data flag */
3618                 if (codec->spdif_status_reset &&
3619                 (spdif->ctls & AC_DIG1_ENABLE)) {
3620                         snd_hda_codec_write(codec,
3621                                         nvhdmi_con_nids_7x[i],
3622                                         0,
3623                                         AC_VERB_SET_DIGI_CONVERT_1,
3624                                         spdif->ctls & 0xff);
3625                         snd_hda_codec_write(codec,
3626                                         nvhdmi_con_nids_7x[i],
3627                                         0,
3628                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3629                 }
3630         }
3631
3632         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
3633
3634         mutex_unlock(&codec->spdif_mutex);
3635         return 0;
3636 }
3637
3638 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
3639         .substreams = 1,
3640         .channels_min = 2,
3641         .channels_max = 8,
3642         .nid = nvhdmi_master_con_nid_7x,
3643         .rates = SUPPORTED_RATES,
3644         .maxbps = SUPPORTED_MAXBPS,
3645         .formats = SUPPORTED_FORMATS,
3646         .ops = {
3647                 .open = simple_playback_pcm_open,
3648                 .close = nvhdmi_8ch_7x_pcm_close,
3649                 .prepare = nvhdmi_8ch_7x_pcm_prepare
3650         },
3651 };
3652
3653 static int patch_nvhdmi_2ch(struct hda_codec *codec)
3654 {
3655         struct hdmi_spec *spec;
3656         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
3657                                     nvhdmi_master_pin_nid_7x);
3658         if (err < 0)
3659                 return err;
3660
3661         codec->patch_ops.init = nvhdmi_7x_init_2ch;
3662         /* override the PCM rates, etc, as the codec doesn't give full list */
3663         spec = codec->spec;
3664         spec->pcm_playback.rates = SUPPORTED_RATES;
3665         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
3666         spec->pcm_playback.formats = SUPPORTED_FORMATS;
3667         spec->nv_dp_workaround = true;
3668         return 0;
3669 }
3670
3671 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
3672 {
3673         struct hdmi_spec *spec = codec->spec;
3674         int err = simple_playback_build_pcms(codec);
3675         if (!err) {
3676                 struct hda_pcm *info = get_pcm_rec(spec, 0);
3677                 info->own_chmap = true;
3678         }
3679         return err;
3680 }
3681
3682 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
3683 {
3684         struct hdmi_spec *spec = codec->spec;
3685         struct hda_pcm *info;
3686         struct snd_pcm_chmap *chmap;
3687         int err;
3688
3689         err = simple_playback_build_controls(codec);
3690         if (err < 0)
3691                 return err;
3692
3693         /* add channel maps */
3694         info = get_pcm_rec(spec, 0);
3695         err = snd_pcm_add_chmap_ctls(info->pcm,
3696                                      SNDRV_PCM_STREAM_PLAYBACK,
3697                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
3698         if (err < 0)
3699                 return err;
3700         switch (codec->preset->vendor_id) {
3701         case 0x10de0002:
3702         case 0x10de0003:
3703         case 0x10de0005:
3704         case 0x10de0006:
3705                 chmap->channel_mask = (1U << 2) | (1U << 8);
3706                 break;
3707         case 0x10de0007:
3708                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
3709         }
3710         return 0;
3711 }
3712
3713 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
3714 {
3715         struct hdmi_spec *spec;
3716         int err = patch_nvhdmi_2ch(codec);
3717         if (err < 0)
3718                 return err;
3719         spec = codec->spec;
3720         spec->multiout.max_channels = 8;
3721         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
3722         codec->patch_ops.init = nvhdmi_7x_init_8ch;
3723         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
3724         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
3725
3726         /* Initialize the audio infoframe channel mask and checksum to something
3727          * valid */
3728         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3729
3730         return 0;
3731 }
3732
3733 /*
3734  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
3735  * - 0x10de0015
3736  * - 0x10de0040
3737  */
3738 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
3739                 struct hdac_cea_channel_speaker_allocation *cap, int channels)
3740 {
3741         if (cap->ca_index == 0x00 && channels == 2)
3742                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
3743
3744         /* If the speaker allocation matches the channel count, it is OK. */
3745         if (cap->channels != channels)
3746                 return -1;
3747
3748         /* all channels are remappable freely */
3749         return SNDRV_CTL_TLVT_CHMAP_VAR;
3750 }
3751
3752 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
3753                 int ca, int chs, unsigned char *map)
3754 {
3755         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
3756                 return -EINVAL;
3757
3758         return 0;
3759 }
3760
3761 /* map from pin NID to port; port is 0-based */
3762 /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */
3763 static int nvhdmi_pin2port(void *audio_ptr, int pin_nid)
3764 {
3765         return pin_nid - 4;
3766 }
3767
3768 /* reverse-map from port to pin NID: see above */
3769 static int nvhdmi_port2pin(struct hda_codec *codec, int port)
3770 {
3771         return port + 4;
3772 }
3773
3774 static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = {
3775         .pin2port = nvhdmi_pin2port,
3776         .pin_eld_notify = generic_acomp_pin_eld_notify,
3777         .master_bind = generic_acomp_master_bind,
3778         .master_unbind = generic_acomp_master_unbind,
3779 };
3780
3781 static int patch_nvhdmi(struct hda_codec *codec)
3782 {
3783         struct hdmi_spec *spec;
3784         int err;
3785
3786         err = alloc_generic_hdmi(codec);
3787         if (err < 0)
3788                 return err;
3789         codec->dp_mst = true;
3790
3791         spec = codec->spec;
3792
3793         err = hdmi_parse_codec(codec);
3794         if (err < 0) {
3795                 generic_spec_free(codec);
3796                 return err;
3797         }
3798
3799         generic_hdmi_init_per_pins(codec);
3800
3801         spec->dyn_pin_out = true;
3802
3803         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3804                 nvhdmi_chmap_cea_alloc_validate_get_type;
3805         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3806         spec->nv_dp_workaround = true;
3807
3808         codec->link_down_at_suspend = 1;
3809
3810         generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin);
3811
3812         return 0;
3813 }
3814
3815 static int patch_nvhdmi_legacy(struct hda_codec *codec)
3816 {
3817         struct hdmi_spec *spec;
3818         int err;
3819
3820         err = patch_generic_hdmi(codec);
3821         if (err)
3822                 return err;
3823
3824         spec = codec->spec;
3825         spec->dyn_pin_out = true;
3826
3827         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3828                 nvhdmi_chmap_cea_alloc_validate_get_type;
3829         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3830         spec->nv_dp_workaround = true;
3831
3832         codec->link_down_at_suspend = 1;
3833
3834         return 0;
3835 }
3836
3837 /*
3838  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
3839  * accessed using vendor-defined verbs. These registers can be used for
3840  * interoperability between the HDA and HDMI drivers.
3841  */
3842
3843 /* Audio Function Group node */
3844 #define NVIDIA_AFG_NID 0x01
3845
3846 /*
3847  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
3848  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
3849  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
3850  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
3851  * additional bit (at position 30) to signal the validity of the format.
3852  *
3853  * | 31      | 30    | 29  16 | 15   0 |
3854  * +---------+-------+--------+--------+
3855  * | TRIGGER | VALID | UNUSED | FORMAT |
3856  * +-----------------------------------|
3857  *
3858  * Note that for the trigger bit to take effect it needs to change value
3859  * (i.e. it needs to be toggled). The trigger bit is not applicable from
3860  * TEGRA234 chip onwards, as new verb id 0xf80 will be used for interrupt
3861  * trigger to hdmi.
3862  */
3863 #define NVIDIA_SET_HOST_INTR            0xf80
3864 #define NVIDIA_GET_SCRATCH0             0xfa6
3865 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
3866 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
3867 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
3868 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
3869 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
3870 #define NVIDIA_SCRATCH_VALID   (1 << 6)
3871
3872 #define NVIDIA_GET_SCRATCH1             0xfab
3873 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
3874 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
3875 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
3876 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
3877
3878 /*
3879  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
3880  * the format is invalidated so that the HDMI codec can be disabled.
3881  */
3882 static void tegra_hdmi_set_format(struct hda_codec *codec,
3883                                   hda_nid_t cvt_nid,
3884                                   unsigned int format)
3885 {
3886         unsigned int value;
3887         unsigned int nid = NVIDIA_AFG_NID;
3888         struct hdmi_spec *spec = codec->spec;
3889
3890         /*
3891          * Tegra HDA codec design from TEGRA234 chip onwards support DP MST.
3892          * This resulted in moving scratch registers from audio function
3893          * group to converter widget context. So CVT NID should be used for
3894          * scratch register read/write for DP MST supported Tegra HDA codec.
3895          */
3896         if (codec->dp_mst)
3897                 nid = cvt_nid;
3898
3899         /* bits [31:30] contain the trigger and valid bits */
3900         value = snd_hda_codec_read(codec, nid, 0,
3901                                    NVIDIA_GET_SCRATCH0, 0);
3902         value = (value >> 24) & 0xff;
3903
3904         /* bits [15:0] are used to store the HDA format */
3905         snd_hda_codec_write(codec, nid, 0,
3906                             NVIDIA_SET_SCRATCH0_BYTE0,
3907                             (format >> 0) & 0xff);
3908         snd_hda_codec_write(codec, nid, 0,
3909                             NVIDIA_SET_SCRATCH0_BYTE1,
3910                             (format >> 8) & 0xff);
3911
3912         /* bits [16:24] are unused */
3913         snd_hda_codec_write(codec, nid, 0,
3914                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
3915
3916         /*
3917          * Bit 30 signals that the data is valid and hence that HDMI audio can
3918          * be enabled.
3919          */
3920         if (format == 0)
3921                 value &= ~NVIDIA_SCRATCH_VALID;
3922         else
3923                 value |= NVIDIA_SCRATCH_VALID;
3924
3925         if (spec->hdmi_intr_trig_ctrl) {
3926                 /*
3927                  * For Tegra HDA Codec design from TEGRA234 onwards, the
3928                  * Interrupt to hdmi driver is triggered by writing
3929                  * non-zero values to verb 0xF80 instead of 31st bit of
3930                  * scratch register.
3931                  */
3932                 snd_hda_codec_write(codec, nid, 0,
3933                                 NVIDIA_SET_SCRATCH0_BYTE3, value);
3934                 snd_hda_codec_write(codec, nid, 0,
3935                                 NVIDIA_SET_HOST_INTR, 0x1);
3936         } else {
3937                 /*
3938                  * Whenever the 31st trigger bit is toggled, an interrupt is raised
3939                  * in the HDMI codec. The HDMI driver will use that as trigger
3940                  * to update its configuration.
3941                  */
3942                 value ^= NVIDIA_SCRATCH_TRIGGER;
3943
3944                 snd_hda_codec_write(codec, nid, 0,
3945                                 NVIDIA_SET_SCRATCH0_BYTE3, value);
3946         }
3947 }
3948
3949 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3950                                   struct hda_codec *codec,
3951                                   unsigned int stream_tag,
3952                                   unsigned int format,
3953                                   struct snd_pcm_substream *substream)
3954 {
3955         int err;
3956
3957         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3958                                                 format, substream);
3959         if (err < 0)
3960                 return err;
3961
3962         /* notify the HDMI codec of the format change */
3963         tegra_hdmi_set_format(codec, hinfo->nid, format);
3964
3965         return 0;
3966 }
3967
3968 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3969                                   struct hda_codec *codec,
3970                                   struct snd_pcm_substream *substream)
3971 {
3972         /* invalidate the format in the HDMI codec */
3973         tegra_hdmi_set_format(codec, hinfo->nid, 0);
3974
3975         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3976 }
3977
3978 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3979 {
3980         struct hdmi_spec *spec = codec->spec;
3981         unsigned int i;
3982
3983         for (i = 0; i < spec->num_pins; i++) {
3984                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3985
3986                 if (pcm->pcm_type == type)
3987                         return pcm;
3988         }
3989
3990         return NULL;
3991 }
3992
3993 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3994 {
3995         struct hda_pcm_stream *stream;
3996         struct hda_pcm *pcm;
3997         int err;
3998
3999         err = generic_hdmi_build_pcms(codec);
4000         if (err < 0)
4001                 return err;
4002
4003         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
4004         if (!pcm)
4005                 return -ENODEV;
4006
4007         /*
4008          * Override ->prepare() and ->cleanup() operations to notify the HDMI
4009          * codec about format changes.
4010          */
4011         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
4012         stream->ops.prepare = tegra_hdmi_pcm_prepare;
4013         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
4014
4015         return 0;
4016 }
4017
4018 static int tegra_hdmi_init(struct hda_codec *codec)
4019 {
4020         struct hdmi_spec *spec = codec->spec;
4021         int i, err;
4022
4023         err = hdmi_parse_codec(codec);
4024         if (err < 0) {
4025                 generic_spec_free(codec);
4026                 return err;
4027         }
4028
4029         for (i = 0; i < spec->num_cvts; i++)
4030                 snd_hda_codec_write(codec, spec->cvt_nids[i], 0,
4031                                         AC_VERB_SET_DIGI_CONVERT_1,
4032                                         AC_DIG1_ENABLE);
4033
4034         generic_hdmi_init_per_pins(codec);
4035
4036         codec->depop_delay = 10;
4037         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
4038         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4039                 nvhdmi_chmap_cea_alloc_validate_get_type;
4040         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
4041
4042         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4043                 nvhdmi_chmap_cea_alloc_validate_get_type;
4044         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
4045         spec->nv_dp_workaround = true;
4046
4047         return 0;
4048 }
4049
4050 static int patch_tegra_hdmi(struct hda_codec *codec)
4051 {
4052         int err;
4053
4054         err = alloc_generic_hdmi(codec);
4055         if (err < 0)
4056                 return err;
4057
4058         return tegra_hdmi_init(codec);
4059 }
4060
4061 static int patch_tegra234_hdmi(struct hda_codec *codec)
4062 {
4063         struct hdmi_spec *spec;
4064         int err;
4065
4066         err = alloc_generic_hdmi(codec);
4067         if (err < 0)
4068                 return err;
4069
4070         codec->dp_mst = true;
4071         spec = codec->spec;
4072         spec->dyn_pin_out = true;
4073         spec->hdmi_intr_trig_ctrl = true;
4074
4075         return tegra_hdmi_init(codec);
4076 }
4077
4078 /*
4079  * ATI/AMD-specific implementations
4080  */
4081
4082 #define is_amdhdmi_rev3_or_later(codec) \
4083         ((codec)->core.vendor_id == 0x1002aa01 && \
4084          ((codec)->core.revision_id & 0xff00) >= 0x0300)
4085 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
4086
4087 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
4088 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
4089 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
4090 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
4091 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
4092 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
4093 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
4094 #define ATI_VERB_SET_HBR_CONTROL        0x77c
4095 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
4096 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
4097 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
4098 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
4099 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
4100 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
4101 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
4102 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
4103 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
4104 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
4105 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
4106 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
4107 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
4108 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
4109 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
4110 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
4111 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
4112
4113 /* AMD specific HDA cvt verbs */
4114 #define ATI_VERB_SET_RAMP_RATE          0x770
4115 #define ATI_VERB_GET_RAMP_RATE          0xf70
4116
4117 #define ATI_OUT_ENABLE 0x1
4118
4119 #define ATI_MULTICHANNEL_MODE_PAIRED    0
4120 #define ATI_MULTICHANNEL_MODE_SINGLE    1
4121
4122 #define ATI_HBR_CAPABLE 0x01
4123 #define ATI_HBR_ENABLE 0x10
4124
4125 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
4126                                int dev_id, unsigned char *buf, int *eld_size)
4127 {
4128         WARN_ON(dev_id != 0);
4129         /* call hda_eld.c ATI/AMD-specific function */
4130         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
4131                                     is_amdhdmi_rev3_or_later(codec));
4132 }
4133
4134 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec,
4135                                         hda_nid_t pin_nid, int dev_id, int ca,
4136                                         int active_channels, int conn_type)
4137 {
4138         WARN_ON(dev_id != 0);
4139         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
4140 }
4141
4142 static int atihdmi_paired_swap_fc_lfe(int pos)
4143 {
4144         /*
4145          * ATI/AMD have automatic FC/LFE swap built-in
4146          * when in pairwise mapping mode.
4147          */
4148
4149         switch (pos) {
4150                 /* see channel_allocations[].speakers[] */
4151                 case 2: return 3;
4152                 case 3: return 2;
4153                 default: break;
4154         }
4155
4156         return pos;
4157 }
4158
4159 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
4160                         int ca, int chs, unsigned char *map)
4161 {
4162         struct hdac_cea_channel_speaker_allocation *cap;
4163         int i, j;
4164
4165         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
4166
4167         cap = snd_hdac_get_ch_alloc_from_ca(ca);
4168         for (i = 0; i < chs; ++i) {
4169                 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
4170                 bool ok = false;
4171                 bool companion_ok = false;
4172
4173                 if (!mask)
4174                         continue;
4175
4176                 for (j = 0 + i % 2; j < 8; j += 2) {
4177                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
4178                         if (cap->speakers[chan_idx] == mask) {
4179                                 /* channel is in a supported position */
4180                                 ok = true;
4181
4182                                 if (i % 2 == 0 && i + 1 < chs) {
4183                                         /* even channel, check the odd companion */
4184                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
4185                                         int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
4186                                         int comp_mask_act = cap->speakers[comp_chan_idx];
4187
4188                                         if (comp_mask_req == comp_mask_act)
4189                                                 companion_ok = true;
4190                                         else
4191                                                 return -EINVAL;
4192                                 }
4193                                 break;
4194                         }
4195                 }
4196
4197                 if (!ok)
4198                         return -EINVAL;
4199
4200                 if (companion_ok)
4201                         i++; /* companion channel already checked */
4202         }
4203
4204         return 0;
4205 }
4206
4207 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
4208                 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
4209 {
4210         struct hda_codec *codec = hdac_to_hda_codec(hdac);
4211         int verb;
4212         int ati_channel_setup = 0;
4213
4214         if (hdmi_slot > 7)
4215                 return -EINVAL;
4216
4217         if (!has_amd_full_remap_support(codec)) {
4218                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
4219
4220                 /* In case this is an odd slot but without stream channel, do not
4221                  * disable the slot since the corresponding even slot could have a
4222                  * channel. In case neither have a channel, the slot pair will be
4223                  * disabled when this function is called for the even slot. */
4224                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
4225                         return 0;
4226
4227                 hdmi_slot -= hdmi_slot % 2;
4228
4229                 if (stream_channel != 0xf)
4230                         stream_channel -= stream_channel % 2;
4231         }
4232
4233         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
4234
4235         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
4236
4237         if (stream_channel != 0xf)
4238                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
4239
4240         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
4241 }
4242
4243 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
4244                                 hda_nid_t pin_nid, int asp_slot)
4245 {
4246         struct hda_codec *codec = hdac_to_hda_codec(hdac);
4247         bool was_odd = false;
4248         int ati_asp_slot = asp_slot;
4249         int verb;
4250         int ati_channel_setup;
4251
4252         if (asp_slot > 7)
4253                 return -EINVAL;
4254
4255         if (!has_amd_full_remap_support(codec)) {
4256                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
4257                 if (ati_asp_slot % 2 != 0) {
4258                         ati_asp_slot -= 1;
4259                         was_odd = true;
4260                 }
4261         }
4262
4263         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
4264
4265         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
4266
4267         if (!(ati_channel_setup & ATI_OUT_ENABLE))
4268                 return 0xf;
4269
4270         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
4271 }
4272
4273 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
4274                 struct hdac_chmap *chmap,
4275                 struct hdac_cea_channel_speaker_allocation *cap,
4276                 int channels)
4277 {
4278         int c;
4279
4280         /*
4281          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
4282          * we need to take that into account (a single channel may take 2
4283          * channel slots if we need to carry a silent channel next to it).
4284          * On Rev3+ AMD codecs this function is not used.
4285          */
4286         int chanpairs = 0;
4287
4288         /* We only produce even-numbered channel count TLVs */
4289         if ((channels % 2) != 0)
4290                 return -1;
4291
4292         for (c = 0; c < 7; c += 2) {
4293                 if (cap->speakers[c] || cap->speakers[c+1])
4294                         chanpairs++;
4295         }
4296
4297         if (chanpairs * 2 != channels)
4298                 return -1;
4299
4300         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
4301 }
4302
4303 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
4304                 struct hdac_cea_channel_speaker_allocation *cap,
4305                 unsigned int *chmap, int channels)
4306 {
4307         /* produce paired maps for pre-rev3 ATI/AMD codecs */
4308         int count = 0;
4309         int c;
4310
4311         for (c = 7; c >= 0; c--) {
4312                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
4313                 int spk = cap->speakers[chan];
4314                 if (!spk) {
4315                         /* add N/A channel if the companion channel is occupied */
4316                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
4317                                 chmap[count++] = SNDRV_CHMAP_NA;
4318
4319                         continue;
4320                 }
4321
4322                 chmap[count++] = snd_hdac_spk_to_chmap(spk);
4323         }
4324
4325         WARN_ON(count != channels);
4326 }
4327
4328 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
4329                                  int dev_id, bool hbr)
4330 {
4331         int hbr_ctl, hbr_ctl_new;
4332
4333         WARN_ON(dev_id != 0);
4334
4335         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
4336         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
4337                 if (hbr)
4338                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
4339                 else
4340                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
4341
4342                 codec_dbg(codec,
4343                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
4344                                 pin_nid,
4345                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
4346                                 hbr_ctl_new);
4347
4348                 if (hbr_ctl != hbr_ctl_new)
4349                         snd_hda_codec_write(codec, pin_nid, 0,
4350                                                 ATI_VERB_SET_HBR_CONTROL,
4351                                                 hbr_ctl_new);
4352
4353         } else if (hbr)
4354                 return -EINVAL;
4355
4356         return 0;
4357 }
4358
4359 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
4360                                 hda_nid_t pin_nid, int dev_id,
4361                                 u32 stream_tag, int format)
4362 {
4363         if (is_amdhdmi_rev3_or_later(codec)) {
4364                 int ramp_rate = 180; /* default as per AMD spec */
4365                 /* disable ramp-up/down for non-pcm as per AMD spec */
4366                 if (format & AC_FMT_TYPE_NON_PCM)
4367                         ramp_rate = 0;
4368
4369                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
4370         }
4371
4372         return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
4373                                  stream_tag, format);
4374 }
4375
4376
4377 static int atihdmi_init(struct hda_codec *codec)
4378 {
4379         struct hdmi_spec *spec = codec->spec;
4380         int pin_idx, err;
4381
4382         err = generic_hdmi_init(codec);
4383
4384         if (err)
4385                 return err;
4386
4387         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
4388                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
4389
4390                 /* make sure downmix information in infoframe is zero */
4391                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
4392
4393                 /* enable channel-wise remap mode if supported */
4394                 if (has_amd_full_remap_support(codec))
4395                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
4396                                             ATI_VERB_SET_MULTICHANNEL_MODE,
4397                                             ATI_MULTICHANNEL_MODE_SINGLE);
4398         }
4399         codec->auto_runtime_pm = 1;
4400
4401         return 0;
4402 }
4403
4404 /* map from pin NID to port; port is 0-based */
4405 /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */
4406 static int atihdmi_pin2port(void *audio_ptr, int pin_nid)
4407 {
4408         return pin_nid / 2 - 1;
4409 }
4410
4411 /* reverse-map from port to pin NID: see above */
4412 static int atihdmi_port2pin(struct hda_codec *codec, int port)
4413 {
4414         return port * 2 + 3;
4415 }
4416
4417 static const struct drm_audio_component_audio_ops atihdmi_audio_ops = {
4418         .pin2port = atihdmi_pin2port,
4419         .pin_eld_notify = generic_acomp_pin_eld_notify,
4420         .master_bind = generic_acomp_master_bind,
4421         .master_unbind = generic_acomp_master_unbind,
4422 };
4423
4424 static int patch_atihdmi(struct hda_codec *codec)
4425 {
4426         struct hdmi_spec *spec;
4427         struct hdmi_spec_per_cvt *per_cvt;
4428         int err, cvt_idx;
4429
4430         err = patch_generic_hdmi(codec);
4431
4432         if (err)
4433                 return err;
4434
4435         codec->patch_ops.init = atihdmi_init;
4436
4437         spec = codec->spec;
4438
4439         spec->static_pcm_mapping = true;
4440
4441         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
4442         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
4443         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
4444         spec->ops.setup_stream = atihdmi_setup_stream;
4445
4446         spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
4447         spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
4448
4449         if (!has_amd_full_remap_support(codec)) {
4450                 /* override to ATI/AMD-specific versions with pairwise mapping */
4451                 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4452                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
4453                 spec->chmap.ops.cea_alloc_to_tlv_chmap =
4454                                 atihdmi_paired_cea_alloc_to_tlv_chmap;
4455                 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
4456         }
4457
4458         /* ATI/AMD converters do not advertise all of their capabilities */
4459         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
4460                 per_cvt = get_cvt(spec, cvt_idx);
4461                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
4462                 per_cvt->rates |= SUPPORTED_RATES;
4463                 per_cvt->formats |= SUPPORTED_FORMATS;
4464                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
4465         }
4466
4467         spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
4468
4469         /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
4470          * the link-down as is.  Tell the core to allow it.
4471          */
4472         codec->link_down_at_suspend = 1;
4473
4474         generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin);
4475
4476         return 0;
4477 }
4478
4479 /* VIA HDMI Implementation */
4480 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
4481 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
4482
4483 static int patch_via_hdmi(struct hda_codec *codec)
4484 {
4485         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
4486 }
4487
4488 /*
4489  * patch entries
4490  */
4491 static const struct hda_device_id snd_hda_id_hdmi[] = {
4492 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
4493 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
4494 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
4495 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
4496 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
4497 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
4498 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
4499 HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4500 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4501 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4502 HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI",      patch_nvhdmi_8ch_7x),
4503 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4504 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4505 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
4506 HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP",   patch_nvhdmi_legacy),
4507 HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP",   patch_nvhdmi_legacy),
4508 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi_legacy),
4509 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi_legacy),
4510 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi_legacy),
4511 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi_legacy),
4512 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi_legacy),
4513 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi_legacy),
4514 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi_legacy),
4515 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi_legacy),
4516 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi_legacy),
4517 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi_legacy),
4518 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi_legacy),
4519 /* 17 is known to be absent */
4520 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi_legacy),
4521 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi_legacy),
4522 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi_legacy),
4523 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi_legacy),
4524 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi_legacy),
4525 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
4526 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
4527 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
4528 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
4529 HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi),
4530 HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi),
4531 HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi),
4532 HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi),
4533 HDA_CODEC_ENTRY(0x10de0031, "Tegra234 HDMI/DP", patch_tegra234_hdmi),
4534 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
4535 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
4536 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
4537 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
4538 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
4539 HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP",   patch_nvhdmi),
4540 HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP",   patch_nvhdmi),
4541 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
4542 HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP",   patch_nvhdmi),
4543 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
4544 HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP",   patch_nvhdmi),
4545 HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP",   patch_nvhdmi),
4546 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
4547 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
4548 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
4549 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
4550 HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP",   patch_nvhdmi),
4551 HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP",   patch_nvhdmi),
4552 HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP",   patch_nvhdmi),
4553 HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP",   patch_nvhdmi),
4554 HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP",   patch_nvhdmi),
4555 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
4556 HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP",   patch_nvhdmi),
4557 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP",   patch_nvhdmi),
4558 HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP",   patch_nvhdmi),
4559 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",   patch_nvhdmi),
4560 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",   patch_nvhdmi),
4561 HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP",   patch_nvhdmi),
4562 HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP",   patch_nvhdmi),
4563 HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP",   patch_nvhdmi),
4564 HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP",   patch_nvhdmi),
4565 HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP",   patch_nvhdmi),
4566 HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP",   patch_nvhdmi),
4567 HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP",   patch_nvhdmi),
4568 HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP",   patch_nvhdmi),
4569 HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP",   patch_nvhdmi),
4570 HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP",   patch_nvhdmi),
4571 HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP",   patch_nvhdmi),
4572 HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP",   patch_nvhdmi),
4573 HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP",   patch_nvhdmi),
4574 HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP",   patch_nvhdmi),
4575 HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP",   patch_nvhdmi),
4576 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4577 HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI",    patch_nvhdmi_2ch),
4578 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
4579 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
4580 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
4581 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
4582 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4583 HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",  patch_i915_glk_hdmi),
4584 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
4585 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
4586 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
4587 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4588 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi),
4589 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
4590 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_i915_hsw_hdmi),
4591 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_i915_hsw_hdmi),
4592 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_i915_hsw_hdmi),
4593 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_i915_hsw_hdmi),
4594 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_i915_hsw_hdmi),
4595 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI",  patch_i915_glk_hdmi),
4596 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",  patch_i915_glk_hdmi),
4597 HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI",     patch_i915_icl_hdmi),
4598 HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI",   patch_i915_tgl_hdmi),
4599 HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi),
4600 HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI",   patch_i915_tgl_hdmi),
4601 HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI",  patch_i915_tgl_hdmi),
4602 HDA_CODEC_ENTRY(0x80862818, "Raptorlake HDMI",  patch_i915_tgl_hdmi),
4603 HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI", patch_i915_tgl_hdmi),
4604 HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI",  patch_i915_icl_hdmi),
4605 HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi),
4606 HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_adlp_hdmi),
4607 HDA_CODEC_ENTRY(0x8086281f, "Raptorlake-P HDMI",        patch_i915_adlp_hdmi),
4608 HDA_CODEC_ENTRY(0x8086281d, "Meteorlake HDMI",  patch_i915_adlp_hdmi),
4609 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
4610 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
4611 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_i915_byt_hdmi),
4612 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
4613 /* special ID for generic HDMI */
4614 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
4615 {} /* terminator */
4616 };
4617 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
4618
4619 MODULE_LICENSE("GPL");
4620 MODULE_DESCRIPTION("HDMI HD-audio codec");
4621 MODULE_ALIAS("snd-hda-codec-intelhdmi");
4622 MODULE_ALIAS("snd-hda-codec-nvhdmi");
4623 MODULE_ALIAS("snd-hda-codec-atihdmi");
4624
4625 static struct hda_codec_driver hdmi_driver = {
4626         .id = snd_hda_id_hdmi,
4627 };
4628
4629 module_hda_codec_driver(hdmi_driver);