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12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/module.h>
15#include <linux/pm_runtime.h>
16#include <linux/hdmi.h>
17#include <drm/drm_edid.h>
18#include <sound/pcm_params.h>
19#include <sound/jack.h>
20#include <sound/soc.h>
21#include <sound/hdaudio_ext.h>
22#include <sound/hda_i915.h>
23#include <sound/pcm_drm_eld.h>
24#include <sound/hda_chmap.h>
25#include "../../hda/local.h"
26#include "hdac_hdmi.h"
27
28#define NAME_SIZE 32
29
30#define AMP_OUT_MUTE 0xb080
31#define AMP_OUT_UNMUTE 0xb000
32#define PIN_OUT (AC_PINCTL_OUT_EN)
33
34#define HDA_MAX_CONNECTIONS 32
35
36#define HDA_MAX_CVTS 3
37#define HDA_MAX_PORTS 3
38
39#define ELD_MAX_SIZE 256
40#define ELD_FIXED_BYTES 20
41
42#define ELD_VER_CEA_861D 2
43#define ELD_VER_PARTIAL 31
44#define ELD_MAX_MNL 16
45
46struct hdac_hdmi_cvt_params {
47 unsigned int channels_min;
48 unsigned int channels_max;
49 u32 rates;
50 u64 formats;
51 unsigned int maxbps;
52};
53
54struct hdac_hdmi_cvt {
55 struct list_head head;
56 hda_nid_t nid;
57 const char *name;
58 struct hdac_hdmi_cvt_params params;
59};
60
61
62struct hdac_hdmi_parsed_eld {
63 u8 spk_alloc;
64};
65
66struct hdac_hdmi_eld {
67 bool monitor_present;
68 bool eld_valid;
69 int eld_size;
70 char eld_buffer[ELD_MAX_SIZE];
71 struct hdac_hdmi_parsed_eld info;
72};
73
74struct hdac_hdmi_pin {
75 struct list_head head;
76 hda_nid_t nid;
77 bool mst_capable;
78 struct hdac_hdmi_port *ports;
79 int num_ports;
80 struct hdac_device *hdev;
81};
82
83struct hdac_hdmi_port {
84 struct list_head head;
85 int id;
86 struct hdac_hdmi_pin *pin;
87 int num_mux_nids;
88 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
89 struct hdac_hdmi_eld eld;
90 const char *jack_pin;
91 struct snd_soc_dapm_context *dapm;
92 const char *output_pin;
93};
94
95struct hdac_hdmi_pcm {
96 struct list_head head;
97 int pcm_id;
98 struct list_head port_list;
99 struct hdac_hdmi_cvt *cvt;
100 struct snd_soc_jack *jack;
101 int stream_tag;
102 int channels;
103 int format;
104 bool chmap_set;
105 unsigned char chmap[8];
106 struct mutex lock;
107 int jack_event;
108};
109
110struct hdac_hdmi_dai_port_map {
111 int dai_id;
112 struct hdac_hdmi_port *port;
113 struct hdac_hdmi_cvt *cvt;
114};
115
116
117
118
119
120static const int icl_pin2port_map[] = {0x4, 0x6, 0x8, 0xa, 0xb};
121
122struct hdac_hdmi_drv_data {
123 unsigned int vendor_nid;
124 const int *port_map;
125 int port_num;
126};
127
128struct hdac_hdmi_priv {
129 struct hdac_device *hdev;
130 struct snd_soc_component *component;
131 struct snd_card *card;
132 struct hdac_hdmi_dai_port_map dai_map[HDA_MAX_CVTS];
133 struct list_head pin_list;
134 struct list_head cvt_list;
135 struct list_head pcm_list;
136 int num_pin;
137 int num_cvt;
138 int num_ports;
139 struct mutex pin_mutex;
140 struct hdac_chmap chmap;
141 struct hdac_hdmi_drv_data *drv_data;
142 struct snd_soc_dai_driver *dai_drv;
143};
144
145#define hdev_to_hdmi_priv(_hdev) dev_get_drvdata(&(_hdev)->dev)
146
147static struct hdac_hdmi_pcm *
148hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi,
149 struct hdac_hdmi_cvt *cvt)
150{
151 struct hdac_hdmi_pcm *pcm = NULL;
152
153 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
154 if (pcm->cvt == cvt)
155 break;
156 }
157
158 return pcm;
159}
160
161static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm,
162 struct hdac_hdmi_port *port, bool is_connect)
163{
164 struct hdac_device *hdev = port->pin->hdev;
165
166 if (is_connect)
167 snd_soc_dapm_enable_pin(port->dapm, port->jack_pin);
168 else
169 snd_soc_dapm_disable_pin(port->dapm, port->jack_pin);
170
171 if (is_connect) {
172
173
174
175
176
177 if (pcm->jack_event == 0) {
178 dev_dbg(&hdev->dev,
179 "jack report for pcm=%d\n",
180 pcm->pcm_id);
181 snd_soc_jack_report(pcm->jack, SND_JACK_AVOUT,
182 SND_JACK_AVOUT);
183 }
184 pcm->jack_event++;
185 } else {
186
187
188
189
190
191 if (pcm->jack_event == 1)
192 snd_soc_jack_report(pcm->jack, 0, SND_JACK_AVOUT);
193 if (pcm->jack_event > 0)
194 pcm->jack_event--;
195 }
196
197 snd_soc_dapm_sync(port->dapm);
198}
199
200
201
202
203
204static int hdac_hdmi_get_port_len(struct hdac_device *hdev, hda_nid_t nid)
205{
206 unsigned int caps;
207 unsigned int type, param;
208
209 caps = get_wcaps(hdev, nid);
210 type = get_wcaps_type(caps);
211
212 if (!(caps & AC_WCAP_DIGITAL) || (type != AC_WID_PIN))
213 return 0;
214
215 param = snd_hdac_read_parm_uncached(hdev, nid, AC_PAR_DEVLIST_LEN);
216 if (param == -1)
217 return param;
218
219 return param & AC_DEV_LIST_LEN_MASK;
220}
221
222
223
224
225
226
227static int hdac_hdmi_port_select_get(struct hdac_device *hdev,
228 struct hdac_hdmi_port *port)
229{
230 return snd_hdac_codec_read(hdev, port->pin->nid,
231 0, AC_VERB_GET_DEVICE_SEL, 0);
232}
233
234
235
236
237
238static int hdac_hdmi_port_select_set(struct hdac_device *hdev,
239 struct hdac_hdmi_port *port)
240{
241 int num_ports;
242
243 if (!port->pin->mst_capable)
244 return 0;
245
246
247 num_ports = hdac_hdmi_get_port_len(hdev, port->pin->nid);
248 if (num_ports < 0)
249 return -EIO;
250
251
252
253
254 if (num_ports + 1 < port->id)
255 return 0;
256
257 snd_hdac_codec_write(hdev, port->pin->nid, 0,
258 AC_VERB_SET_DEVICE_SEL, port->id);
259
260 if (port->id != hdac_hdmi_port_select_get(hdev, port))
261 return -EIO;
262
263 dev_dbg(&hdev->dev, "Selected the port=%d\n", port->id);
264
265 return 0;
266}
267
268static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *hdmi,
269 int pcm_idx)
270{
271 struct hdac_hdmi_pcm *pcm;
272
273 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
274 if (pcm->pcm_id == pcm_idx)
275 return pcm;
276 }
277
278 return NULL;
279}
280
281static unsigned int sad_format(const u8 *sad)
282{
283 return ((sad[0] >> 0x3) & 0x1f);
284}
285
286static unsigned int sad_sample_bits_lpcm(const u8 *sad)
287{
288 return (sad[2] & 7);
289}
290
291static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime,
292 void *eld)
293{
294 u64 formats = SNDRV_PCM_FMTBIT_S16;
295 int i;
296 const u8 *sad, *eld_buf = eld;
297
298 sad = drm_eld_sad(eld_buf);
299 if (!sad)
300 goto format_constraint;
301
302 for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) {
303 if (sad_format(sad) == 1) {
304
305
306
307
308
309 if (sad_sample_bits_lpcm(sad) & 0x6)
310 formats |= SNDRV_PCM_FMTBIT_S32;
311 }
312 }
313
314format_constraint:
315 return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT,
316 formats);
317
318}
319
320static void
321hdac_hdmi_set_dip_index(struct hdac_device *hdev, hda_nid_t pin_nid,
322 int packet_index, int byte_index)
323{
324 int val;
325
326 val = (packet_index << 5) | (byte_index & 0x1f);
327 snd_hdac_codec_write(hdev, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
328}
329
330struct dp_audio_infoframe {
331 u8 type;
332 u8 len;
333 u8 ver;
334
335 u8 CC02_CT47;
336 u8 SS01_SF24;
337 u8 CXT04;
338 u8 CA;
339 u8 LFEPBL01_LSV36_DM_INH7;
340};
341
342static int hdac_hdmi_setup_audio_infoframe(struct hdac_device *hdev,
343 struct hdac_hdmi_pcm *pcm, struct hdac_hdmi_port *port)
344{
345 uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
346 struct hdmi_audio_infoframe frame;
347 struct hdac_hdmi_pin *pin = port->pin;
348 struct dp_audio_infoframe dp_ai;
349 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
350 struct hdac_hdmi_cvt *cvt = pcm->cvt;
351 u8 *dip;
352 int ret;
353 int i;
354 const u8 *eld_buf;
355 u8 conn_type;
356 int channels, ca;
357
358 ca = snd_hdac_channel_allocation(hdev, port->eld.info.spk_alloc,
359 pcm->channels, pcm->chmap_set, true, pcm->chmap);
360
361 channels = snd_hdac_get_active_channels(ca);
362 hdmi->chmap.ops.set_channel_count(hdev, cvt->nid, channels);
363
364 snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false, ca,
365 pcm->channels, pcm->chmap, pcm->chmap_set);
366
367 eld_buf = port->eld.eld_buffer;
368 conn_type = drm_eld_get_conn_type(eld_buf);
369
370 switch (conn_type) {
371 case DRM_ELD_CONN_TYPE_HDMI:
372 hdmi_audio_infoframe_init(&frame);
373
374 frame.channels = channels;
375 frame.channel_allocation = ca;
376
377 ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
378 if (ret < 0)
379 return ret;
380
381 break;
382
383 case DRM_ELD_CONN_TYPE_DP:
384 memset(&dp_ai, 0, sizeof(dp_ai));
385 dp_ai.type = 0x84;
386 dp_ai.len = 0x1b;
387 dp_ai.ver = 0x11 << 2;
388 dp_ai.CC02_CT47 = channels - 1;
389 dp_ai.CA = ca;
390
391 dip = (u8 *)&dp_ai;
392 break;
393
394 default:
395 dev_err(&hdev->dev, "Invalid connection type: %d\n", conn_type);
396 return -EIO;
397 }
398
399
400 hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0);
401 snd_hdac_codec_write(hdev, pin->nid, 0,
402 AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE);
403
404
405
406 hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0);
407 if (conn_type == DRM_ELD_CONN_TYPE_HDMI) {
408 for (i = 0; i < sizeof(buffer); i++)
409 snd_hdac_codec_write(hdev, pin->nid, 0,
410 AC_VERB_SET_HDMI_DIP_DATA, buffer[i]);
411 } else {
412 for (i = 0; i < sizeof(dp_ai); i++)
413 snd_hdac_codec_write(hdev, pin->nid, 0,
414 AC_VERB_SET_HDMI_DIP_DATA, dip[i]);
415 }
416
417
418 hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0);
419 snd_hdac_codec_write(hdev, pin->nid, 0,
420 AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST);
421
422 return 0;
423}
424
425static int hdac_hdmi_set_tdm_slot(struct snd_soc_dai *dai,
426 unsigned int tx_mask, unsigned int rx_mask,
427 int slots, int slot_width)
428{
429 struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
430 struct hdac_device *hdev = hdmi->hdev;
431 struct hdac_hdmi_dai_port_map *dai_map;
432 struct hdac_hdmi_pcm *pcm;
433
434 dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__, tx_mask);
435
436 dai_map = &hdmi->dai_map[dai->id];
437
438 pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
439
440 if (pcm)
441 pcm->stream_tag = (tx_mask << 4);
442
443 return 0;
444}
445
446static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai)
448{
449 struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
450 struct hdac_hdmi_dai_port_map *dai_map;
451 struct hdac_hdmi_pcm *pcm;
452 int format;
453
454 dai_map = &hdmi->dai_map[dai->id];
455
456 format = snd_hdac_calc_stream_format(params_rate(hparams),
457 params_channels(hparams), params_format(hparams),
458 dai->driver->playback.sig_bits, 0);
459
460 pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
461 if (!pcm)
462 return -EIO;
463
464 pcm->format = format;
465 pcm->channels = params_channels(hparams);
466
467 return 0;
468}
469
470static int hdac_hdmi_query_port_connlist(struct hdac_device *hdev,
471 struct hdac_hdmi_pin *pin,
472 struct hdac_hdmi_port *port)
473{
474 if (!(get_wcaps(hdev, pin->nid) & AC_WCAP_CONN_LIST)) {
475 dev_warn(&hdev->dev,
476 "HDMI: pin %d wcaps %#x does not support connection list\n",
477 pin->nid, get_wcaps(hdev, pin->nid));
478 return -EINVAL;
479 }
480
481 if (hdac_hdmi_port_select_set(hdev, port) < 0)
482 return -EIO;
483
484 port->num_mux_nids = snd_hdac_get_connections(hdev, pin->nid,
485 port->mux_nids, HDA_MAX_CONNECTIONS);
486 if (port->num_mux_nids == 0)
487 dev_warn(&hdev->dev,
488 "No connections found for pin:port %d:%d\n",
489 pin->nid, port->id);
490
491 dev_dbg(&hdev->dev, "num_mux_nids %d for pin:port %d:%d\n",
492 port->num_mux_nids, pin->nid, port->id);
493
494 return port->num_mux_nids;
495}
496
497
498
499
500
501
502
503
504
505
506static struct hdac_hdmi_port *hdac_hdmi_get_port_from_cvt(
507 struct hdac_device *hdev,
508 struct hdac_hdmi_priv *hdmi,
509 struct hdac_hdmi_cvt *cvt)
510{
511 struct hdac_hdmi_pcm *pcm;
512 struct hdac_hdmi_port *port = NULL;
513 int ret, i;
514
515 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
516 if (pcm->cvt == cvt) {
517 if (list_empty(&pcm->port_list))
518 continue;
519
520 list_for_each_entry(port, &pcm->port_list, head) {
521 mutex_lock(&pcm->lock);
522 ret = hdac_hdmi_query_port_connlist(hdev,
523 port->pin, port);
524 mutex_unlock(&pcm->lock);
525 if (ret < 0)
526 continue;
527
528 for (i = 0; i < port->num_mux_nids; i++) {
529 if (port->mux_nids[i] == cvt->nid &&
530 port->eld.monitor_present &&
531 port->eld.eld_valid)
532 return port;
533 }
534 }
535 }
536 }
537
538 return NULL;
539}
540
541
542
543
544
545static void hdac_hdmi_verify_connect_sel_all_pins(struct hdac_device *hdev)
546{
547 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
548 struct hdac_hdmi_port *port;
549 struct hdac_hdmi_cvt *cvt;
550 int cvt_idx = 0;
551
552 list_for_each_entry(cvt, &hdmi->cvt_list, head) {
553 port = hdac_hdmi_get_port_from_cvt(hdev, hdmi, cvt);
554 if (port && port->pin) {
555 snd_hdac_codec_write(hdev, port->pin->nid, 0,
556 AC_VERB_SET_CONNECT_SEL, cvt_idx);
557 dev_dbg(&hdev->dev, "%s: %s set connect %d -> %d\n",
558 __func__, cvt->name, port->pin->nid, cvt_idx);
559 }
560 ++cvt_idx;
561 }
562}
563
564
565
566
567
568
569static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream,
570 struct snd_soc_dai *dai)
571{
572 struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
573 struct hdac_device *hdev = hdmi->hdev;
574 struct hdac_hdmi_dai_port_map *dai_map;
575 struct hdac_hdmi_cvt *cvt;
576 struct hdac_hdmi_port *port;
577 int ret;
578
579 dai_map = &hdmi->dai_map[dai->id];
580
581 cvt = dai_map->cvt;
582 port = hdac_hdmi_get_port_from_cvt(hdev, hdmi, cvt);
583
584
585
586
587
588 if (!port)
589 return 0;
590 if ((!port->eld.monitor_present) ||
591 (!port->eld.eld_valid)) {
592
593 dev_warn(&hdev->dev,
594 "Failed: present?:%d ELD valid?:%d pin:port: %d:%d\n",
595 port->eld.monitor_present, port->eld.eld_valid,
596 port->pin->nid, port->id);
597
598 return 0;
599 }
600
601 dai_map->port = port;
602
603 ret = hdac_hdmi_eld_limit_formats(substream->runtime,
604 port->eld.eld_buffer);
605 if (ret < 0)
606 return ret;
607
608 return snd_pcm_hw_constraint_eld(substream->runtime,
609 port->eld.eld_buffer);
610}
611
612static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream,
613 struct snd_soc_dai *dai)
614{
615 struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
616 struct hdac_hdmi_dai_port_map *dai_map;
617 struct hdac_hdmi_pcm *pcm;
618
619 dai_map = &hdmi->dai_map[dai->id];
620
621 pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
622
623 if (pcm) {
624 mutex_lock(&pcm->lock);
625 pcm->chmap_set = false;
626 memset(pcm->chmap, 0, sizeof(pcm->chmap));
627 pcm->channels = 0;
628 mutex_unlock(&pcm->lock);
629 }
630
631 if (dai_map->port)
632 dai_map->port = NULL;
633}
634
635static int
636hdac_hdmi_query_cvt_params(struct hdac_device *hdev, struct hdac_hdmi_cvt *cvt)
637{
638 unsigned int chans;
639 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
640 int err;
641
642 chans = get_wcaps(hdev, cvt->nid);
643 chans = get_wcaps_channels(chans);
644
645 cvt->params.channels_min = 2;
646
647 cvt->params.channels_max = chans;
648 if (chans > hdmi->chmap.channels_max)
649 hdmi->chmap.channels_max = chans;
650
651 err = snd_hdac_query_supported_pcm(hdev, cvt->nid,
652 &cvt->params.rates,
653 &cvt->params.formats,
654 &cvt->params.maxbps);
655 if (err < 0)
656 dev_err(&hdev->dev,
657 "Failed to query pcm params for nid %d: %d\n",
658 cvt->nid, err);
659
660 return err;
661}
662
663static int hdac_hdmi_fill_widget_info(struct device *dev,
664 struct snd_soc_dapm_widget *w, enum snd_soc_dapm_type id,
665 void *priv, const char *wname, const char *stream,
666 struct snd_kcontrol_new *wc, int numkc,
667 int (*event)(struct snd_soc_dapm_widget *,
668 struct snd_kcontrol *, int), unsigned short event_flags)
669{
670 w->id = id;
671 w->name = devm_kstrdup(dev, wname, GFP_KERNEL);
672 if (!w->name)
673 return -ENOMEM;
674
675 w->sname = stream;
676 w->reg = SND_SOC_NOPM;
677 w->shift = 0;
678 w->kcontrol_news = wc;
679 w->num_kcontrols = numkc;
680 w->priv = priv;
681 w->event = event;
682 w->event_flags = event_flags;
683
684 return 0;
685}
686
687static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route,
688 const char *sink, const char *control, const char *src,
689 int (*handler)(struct snd_soc_dapm_widget *src,
690 struct snd_soc_dapm_widget *sink))
691{
692 route->sink = sink;
693 route->source = src;
694 route->control = control;
695 route->connected = handler;
696}
697
698static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_device *hdev,
699 struct hdac_hdmi_port *port)
700{
701 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
702 struct hdac_hdmi_pcm *pcm = NULL;
703 struct hdac_hdmi_port *p;
704
705 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
706 if (list_empty(&pcm->port_list))
707 continue;
708
709 list_for_each_entry(p, &pcm->port_list, head) {
710 if (p->id == port->id && port->pin == p->pin)
711 return pcm;
712 }
713 }
714
715 return NULL;
716}
717
718static void hdac_hdmi_set_power_state(struct hdac_device *hdev,
719 hda_nid_t nid, unsigned int pwr_state)
720{
721 int count;
722 unsigned int state;
723
724 if (get_wcaps(hdev, nid) & AC_WCAP_POWER) {
725 if (!snd_hdac_check_power_state(hdev, nid, pwr_state)) {
726 for (count = 0; count < 10; count++) {
727 snd_hdac_codec_read(hdev, nid, 0,
728 AC_VERB_SET_POWER_STATE,
729 pwr_state);
730 state = snd_hdac_sync_power_state(hdev,
731 nid, pwr_state);
732 if (!(state & AC_PWRST_ERROR))
733 break;
734 }
735 }
736 }
737}
738
739static void hdac_hdmi_set_amp(struct hdac_device *hdev,
740 hda_nid_t nid, int val)
741{
742 if (get_wcaps(hdev, nid) & AC_WCAP_OUT_AMP)
743 snd_hdac_codec_write(hdev, nid, 0,
744 AC_VERB_SET_AMP_GAIN_MUTE, val);
745}
746
747
748static int hdac_hdmi_pin_output_widget_event(struct snd_soc_dapm_widget *w,
749 struct snd_kcontrol *kc, int event)
750{
751 struct hdac_hdmi_port *port = w->priv;
752 struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
753 struct hdac_hdmi_pcm *pcm;
754
755 dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n",
756 __func__, w->name, event);
757
758 pcm = hdac_hdmi_get_pcm(hdev, port);
759 if (!pcm)
760 return -EIO;
761
762
763 if (hdac_hdmi_port_select_set(hdev, port) < 0)
764 return -EIO;
765
766 switch (event) {
767 case SND_SOC_DAPM_PRE_PMU:
768 hdac_hdmi_set_power_state(hdev, port->pin->nid, AC_PWRST_D0);
769
770
771 snd_hdac_codec_write(hdev, port->pin->nid, 0,
772 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
773
774 hdac_hdmi_set_amp(hdev, port->pin->nid, AMP_OUT_UNMUTE);
775
776 return hdac_hdmi_setup_audio_infoframe(hdev, pcm, port);
777
778 case SND_SOC_DAPM_POST_PMD:
779 hdac_hdmi_set_amp(hdev, port->pin->nid, AMP_OUT_MUTE);
780
781
782 snd_hdac_codec_write(hdev, port->pin->nid, 0,
783 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
784
785 hdac_hdmi_set_power_state(hdev, port->pin->nid, AC_PWRST_D3);
786 break;
787
788 }
789
790 return 0;
791}
792
793static int hdac_hdmi_cvt_output_widget_event(struct snd_soc_dapm_widget *w,
794 struct snd_kcontrol *kc, int event)
795{
796 struct hdac_hdmi_cvt *cvt = w->priv;
797 struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
798 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
799 struct hdac_hdmi_pcm *pcm;
800
801 dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n",
802 __func__, w->name, event);
803
804 pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, cvt);
805 if (!pcm)
806 return -EIO;
807
808 switch (event) {
809 case SND_SOC_DAPM_PRE_PMU:
810 hdac_hdmi_set_power_state(hdev, cvt->nid, AC_PWRST_D0);
811
812
813 snd_hdac_codec_write(hdev, cvt->nid, 0,
814 AC_VERB_SET_DIGI_CONVERT_1, 1);
815
816
817 snd_hdac_codec_write(hdev, cvt->nid, 0,
818 AC_VERB_SET_DIGI_CONVERT_2, 0);
819
820 snd_hdac_codec_write(hdev, cvt->nid, 0,
821 AC_VERB_SET_CHANNEL_STREAMID, pcm->stream_tag);
822 snd_hdac_codec_write(hdev, cvt->nid, 0,
823 AC_VERB_SET_STREAM_FORMAT, pcm->format);
824
825
826
827
828
829
830 hdac_hdmi_verify_connect_sel_all_pins(hdev);
831
832 break;
833
834 case SND_SOC_DAPM_POST_PMD:
835 snd_hdac_codec_write(hdev, cvt->nid, 0,
836 AC_VERB_SET_CHANNEL_STREAMID, 0);
837 snd_hdac_codec_write(hdev, cvt->nid, 0,
838 AC_VERB_SET_STREAM_FORMAT, 0);
839
840 hdac_hdmi_set_power_state(hdev, cvt->nid, AC_PWRST_D3);
841 break;
842
843 }
844
845 return 0;
846}
847
848static int hdac_hdmi_pin_mux_widget_event(struct snd_soc_dapm_widget *w,
849 struct snd_kcontrol *kc, int event)
850{
851 struct hdac_hdmi_port *port = w->priv;
852 struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
853 int mux_idx;
854
855 dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n",
856 __func__, w->name, event);
857
858 if (!kc)
859 kc = w->kcontrols[0];
860
861 mux_idx = dapm_kcontrol_get_value(kc);
862
863
864 if (hdac_hdmi_port_select_set(hdev, port) < 0)
865 return -EIO;
866
867 if (mux_idx > 0) {
868 snd_hdac_codec_write(hdev, port->pin->nid, 0,
869 AC_VERB_SET_CONNECT_SEL, (mux_idx - 1));
870 }
871
872 return 0;
873}
874
875
876
877
878static int hdac_hdmi_set_pin_port_mux(struct snd_kcontrol *kcontrol,
879 struct snd_ctl_elem_value *ucontrol)
880{
881 int ret;
882 struct hdac_hdmi_port *p, *p_next;
883 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
884 struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
885 struct snd_soc_dapm_context *dapm = w->dapm;
886 struct hdac_hdmi_port *port = w->priv;
887 struct hdac_device *hdev = dev_to_hdac_dev(dapm->dev);
888 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
889 struct hdac_hdmi_pcm *pcm = NULL;
890 const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]];
891
892 ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
893 if (ret < 0)
894 return ret;
895
896 if (port == NULL)
897 return -EINVAL;
898
899 mutex_lock(&hdmi->pin_mutex);
900 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
901 if (list_empty(&pcm->port_list))
902 continue;
903
904 list_for_each_entry_safe(p, p_next, &pcm->port_list, head) {
905 if (p == port && p->id == port->id &&
906 p->pin == port->pin) {
907 hdac_hdmi_jack_report(pcm, port, false);
908 list_del(&p->head);
909 }
910 }
911 }
912
913
914
915
916
917 list_for_each_entry(pcm, &hdmi->pcm_list, head) {
918 if (!strcmp(cvt_name, pcm->cvt->name)) {
919 list_add_tail(&port->head, &pcm->port_list);
920 if (port->eld.monitor_present && port->eld.eld_valid) {
921 hdac_hdmi_jack_report(pcm, port, true);
922 mutex_unlock(&hdmi->pin_mutex);
923 return ret;
924 }
925 }
926 }
927 mutex_unlock(&hdmi->pin_mutex);
928
929 return ret;
930}
931
932
933
934
935
936
937
938
939
940
941static int hdac_hdmi_create_pin_port_muxs(struct hdac_device *hdev,
942 struct hdac_hdmi_port *port,
943 struct snd_soc_dapm_widget *widget,
944 const char *widget_name)
945{
946 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
947 struct hdac_hdmi_pin *pin = port->pin;
948 struct snd_kcontrol_new *kc;
949 struct hdac_hdmi_cvt *cvt;
950 struct soc_enum *se;
951 char kc_name[NAME_SIZE];
952 char mux_items[NAME_SIZE];
953
954 char *items[HDA_MAX_CONNECTIONS];
955 int i = 0;
956 int num_items = hdmi->num_cvt + 1;
957
958 kc = devm_kzalloc(&hdev->dev, sizeof(*kc), GFP_KERNEL);
959 if (!kc)
960 return -ENOMEM;
961
962 se = devm_kzalloc(&hdev->dev, sizeof(*se), GFP_KERNEL);
963 if (!se)
964 return -ENOMEM;
965
966 snprintf(kc_name, NAME_SIZE, "Pin %d port %d Input",
967 pin->nid, port->id);
968 kc->name = devm_kstrdup(&hdev->dev, kc_name, GFP_KERNEL);
969 if (!kc->name)
970 return -ENOMEM;
971
972 kc->private_value = (long)se;
973 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
974 kc->access = 0;
975 kc->info = snd_soc_info_enum_double;
976 kc->put = hdac_hdmi_set_pin_port_mux;
977 kc->get = snd_soc_dapm_get_enum_double;
978
979 se->reg = SND_SOC_NOPM;
980
981
982 se->items = num_items;
983 se->mask = roundup_pow_of_two(se->items) - 1;
984
985 sprintf(mux_items, "NONE");
986 items[i] = devm_kstrdup(&hdev->dev, mux_items, GFP_KERNEL);
987 if (!items[i])
988 return -ENOMEM;
989
990 list_for_each_entry(cvt, &hdmi->cvt_list, head) {
991 i++;
992 sprintf(mux_items, "cvt %d", cvt->nid);
993 items[i] = devm_kstrdup(&hdev->dev, mux_items, GFP_KERNEL);
994 if (!items[i])
995 return -ENOMEM;
996 }
997
998 se->texts = devm_kmemdup(&hdev->dev, items,
999 (num_items * sizeof(char *)), GFP_KERNEL);
1000 if (!se->texts)
1001 return -ENOMEM;
1002
1003 return hdac_hdmi_fill_widget_info(&hdev->dev, widget,
1004 snd_soc_dapm_mux, port, widget_name, NULL, kc, 1,
1005 hdac_hdmi_pin_mux_widget_event,
1006 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_REG);
1007}
1008
1009
1010static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_device *hdev,
1011 struct snd_soc_dapm_widget *widgets,
1012 struct snd_soc_dapm_route *route, int rindex)
1013{
1014 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1015 const struct snd_kcontrol_new *kc;
1016 struct soc_enum *se;
1017 int mux_index = hdmi->num_cvt + hdmi->num_ports;
1018 int i, j;
1019
1020 for (i = 0; i < hdmi->num_ports; i++) {
1021 kc = widgets[mux_index].kcontrol_news;
1022 se = (struct soc_enum *)kc->private_value;
1023 for (j = 0; j < hdmi->num_cvt; j++) {
1024 hdac_hdmi_fill_route(&route[rindex],
1025 widgets[mux_index].name,
1026 se->texts[j + 1],
1027 widgets[j].name, NULL);
1028
1029 rindex++;
1030 }
1031
1032 mux_index++;
1033 }
1034}
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm)
1053{
1054 struct snd_soc_dapm_widget *widgets;
1055 struct snd_soc_dapm_route *route;
1056 struct hdac_device *hdev = dev_to_hdac_dev(dapm->dev);
1057 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1058 struct snd_soc_dai_driver *dai_drv = hdmi->dai_drv;
1059 char widget_name[NAME_SIZE];
1060 struct hdac_hdmi_cvt *cvt;
1061 struct hdac_hdmi_pin *pin;
1062 int ret, i = 0, num_routes = 0, j;
1063
1064 if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list))
1065 return -EINVAL;
1066
1067 widgets = devm_kzalloc(dapm->dev, (sizeof(*widgets) *
1068 ((2 * hdmi->num_ports) + hdmi->num_cvt)),
1069 GFP_KERNEL);
1070
1071 if (!widgets)
1072 return -ENOMEM;
1073
1074
1075 list_for_each_entry(cvt, &hdmi->cvt_list, head) {
1076 sprintf(widget_name, "Converter %d", cvt->nid);
1077 ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
1078 snd_soc_dapm_aif_in, cvt,
1079 widget_name, dai_drv[i].playback.stream_name, NULL, 0,
1080 hdac_hdmi_cvt_output_widget_event,
1081 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD);
1082 if (ret < 0)
1083 return ret;
1084 i++;
1085 }
1086
1087 list_for_each_entry(pin, &hdmi->pin_list, head) {
1088 for (j = 0; j < pin->num_ports; j++) {
1089 sprintf(widget_name, "hif%d-%d Output",
1090 pin->nid, pin->ports[j].id);
1091 ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
1092 snd_soc_dapm_output, &pin->ports[j],
1093 widget_name, NULL, NULL, 0,
1094 hdac_hdmi_pin_output_widget_event,
1095 SND_SOC_DAPM_PRE_PMU |
1096 SND_SOC_DAPM_POST_PMD);
1097 if (ret < 0)
1098 return ret;
1099 pin->ports[j].output_pin = widgets[i].name;
1100 i++;
1101 }
1102 }
1103
1104
1105 list_for_each_entry(pin, &hdmi->pin_list, head) {
1106 for (j = 0; j < pin->num_ports; j++) {
1107 sprintf(widget_name, "Pin%d-Port%d Mux",
1108 pin->nid, pin->ports[j].id);
1109 ret = hdac_hdmi_create_pin_port_muxs(hdev,
1110 &pin->ports[j], &widgets[i],
1111 widget_name);
1112 if (ret < 0)
1113 return ret;
1114 i++;
1115
1116
1117 num_routes += hdmi->num_cvt;
1118
1119
1120 num_routes++;
1121 }
1122 }
1123
1124 route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes),
1125 GFP_KERNEL);
1126 if (!route)
1127 return -ENOMEM;
1128
1129 i = 0;
1130
1131 list_for_each_entry(pin, &hdmi->pin_list, head) {
1132 for (j = 0; j < pin->num_ports; j++) {
1133 int sink_index = i + hdmi->num_cvt;
1134 int src_index = sink_index + pin->num_ports *
1135 hdmi->num_pin;
1136
1137 hdac_hdmi_fill_route(&route[i],
1138 widgets[sink_index].name, NULL,
1139 widgets[src_index].name, NULL);
1140 i++;
1141 }
1142 }
1143
1144 hdac_hdmi_add_pinmux_cvt_route(hdev, widgets, route, i);
1145
1146 snd_soc_dapm_new_controls(dapm, widgets,
1147 ((2 * hdmi->num_ports) + hdmi->num_cvt));
1148
1149 snd_soc_dapm_add_routes(dapm, route, num_routes);
1150 snd_soc_dapm_new_widgets(dapm->card);
1151
1152 return 0;
1153
1154}
1155
1156static int hdac_hdmi_init_dai_map(struct hdac_device *hdev)
1157{
1158 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1159 struct hdac_hdmi_dai_port_map *dai_map;
1160 struct hdac_hdmi_cvt *cvt;
1161 int dai_id = 0;
1162
1163 if (list_empty(&hdmi->cvt_list))
1164 return -EINVAL;
1165
1166 list_for_each_entry(cvt, &hdmi->cvt_list, head) {
1167 dai_map = &hdmi->dai_map[dai_id];
1168 dai_map->dai_id = dai_id;
1169 dai_map->cvt = cvt;
1170
1171 dai_id++;
1172
1173 if (dai_id == HDA_MAX_CVTS) {
1174 dev_warn(&hdev->dev,
1175 "Max dais supported: %d\n", dai_id);
1176 break;
1177 }
1178 }
1179
1180 return 0;
1181}
1182
1183static int hdac_hdmi_add_cvt(struct hdac_device *hdev, hda_nid_t nid)
1184{
1185 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1186 struct hdac_hdmi_cvt *cvt;
1187 char name[NAME_SIZE];
1188
1189 cvt = devm_kzalloc(&hdev->dev, sizeof(*cvt), GFP_KERNEL);
1190 if (!cvt)
1191 return -ENOMEM;
1192
1193 cvt->nid = nid;
1194 sprintf(name, "cvt %d", cvt->nid);
1195 cvt->name = devm_kstrdup(&hdev->dev, name, GFP_KERNEL);
1196 if (!cvt->name)
1197 return -ENOMEM;
1198
1199 list_add_tail(&cvt->head, &hdmi->cvt_list);
1200 hdmi->num_cvt++;
1201
1202 return hdac_hdmi_query_cvt_params(hdev, cvt);
1203}
1204
1205static int hdac_hdmi_parse_eld(struct hdac_device *hdev,
1206 struct hdac_hdmi_port *port)
1207{
1208 unsigned int ver, mnl;
1209
1210 ver = (port->eld.eld_buffer[DRM_ELD_VER] & DRM_ELD_VER_MASK)
1211 >> DRM_ELD_VER_SHIFT;
1212
1213 if (ver != ELD_VER_CEA_861D && ver != ELD_VER_PARTIAL) {
1214 dev_err(&hdev->dev, "HDMI: Unknown ELD version %d\n", ver);
1215 return -EINVAL;
1216 }
1217
1218 mnl = (port->eld.eld_buffer[DRM_ELD_CEA_EDID_VER_MNL] &
1219 DRM_ELD_MNL_MASK) >> DRM_ELD_MNL_SHIFT;
1220
1221 if (mnl > ELD_MAX_MNL) {
1222 dev_err(&hdev->dev, "HDMI: MNL Invalid %d\n", mnl);
1223 return -EINVAL;
1224 }
1225
1226 port->eld.info.spk_alloc = port->eld.eld_buffer[DRM_ELD_SPEAKER];
1227
1228 return 0;
1229}
1230
1231static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin,
1232 struct hdac_hdmi_port *port)
1233{
1234 struct hdac_device *hdev = pin->hdev;
1235 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1236 struct hdac_hdmi_pcm *pcm;
1237 int size = 0;
1238 int port_id = -1;
1239
1240 if (!hdmi)
1241 return;
1242
1243
1244
1245
1246
1247 mutex_lock(&hdmi->pin_mutex);
1248 port->eld.monitor_present = false;
1249
1250 if (pin->mst_capable)
1251 port_id = port->id;
1252
1253 size = snd_hdac_acomp_get_eld(hdev, pin->nid, port_id,
1254 &port->eld.monitor_present,
1255 port->eld.eld_buffer,
1256 ELD_MAX_SIZE);
1257
1258 if (size > 0) {
1259 size = min(size, ELD_MAX_SIZE);
1260 if (hdac_hdmi_parse_eld(hdev, port) < 0)
1261 size = -EINVAL;
1262 }
1263
1264 if (size > 0) {
1265 port->eld.eld_valid = true;
1266 port->eld.eld_size = size;
1267 } else {
1268 port->eld.eld_valid = false;
1269 port->eld.eld_size = 0;
1270 }
1271
1272 pcm = hdac_hdmi_get_pcm(hdev, port);
1273
1274 if (!port->eld.monitor_present || !port->eld.eld_valid) {
1275
1276 dev_err(&hdev->dev, "%s: disconnect for pin:port %d:%d\n",
1277 __func__, pin->nid, port->id);
1278
1279
1280
1281
1282
1283
1284 if (pcm)
1285 hdac_hdmi_jack_report(pcm, port, false);
1286
1287 mutex_unlock(&hdmi->pin_mutex);
1288 return;
1289 }
1290
1291 if (port->eld.monitor_present && port->eld.eld_valid) {
1292 if (pcm)
1293 hdac_hdmi_jack_report(pcm, port, true);
1294
1295 print_hex_dump_debug("ELD: ", DUMP_PREFIX_OFFSET, 16, 1,
1296 port->eld.eld_buffer, port->eld.eld_size, false);
1297
1298 }
1299 mutex_unlock(&hdmi->pin_mutex);
1300}
1301
1302static int hdac_hdmi_add_ports(struct hdac_device *hdev,
1303 struct hdac_hdmi_pin *pin)
1304{
1305 struct hdac_hdmi_port *ports;
1306 int max_ports = HDA_MAX_PORTS;
1307 int i;
1308
1309
1310
1311
1312
1313
1314
1315 ports = devm_kcalloc(&hdev->dev, max_ports, sizeof(*ports), GFP_KERNEL);
1316 if (!ports)
1317 return -ENOMEM;
1318
1319 for (i = 0; i < max_ports; i++) {
1320 ports[i].id = i;
1321 ports[i].pin = pin;
1322 }
1323 pin->ports = ports;
1324 pin->num_ports = max_ports;
1325 return 0;
1326}
1327
1328static int hdac_hdmi_add_pin(struct hdac_device *hdev, hda_nid_t nid)
1329{
1330 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1331 struct hdac_hdmi_pin *pin;
1332 int ret;
1333
1334 pin = devm_kzalloc(&hdev->dev, sizeof(*pin), GFP_KERNEL);
1335 if (!pin)
1336 return -ENOMEM;
1337
1338 pin->nid = nid;
1339 pin->mst_capable = false;
1340 pin->hdev = hdev;
1341 ret = hdac_hdmi_add_ports(hdev, pin);
1342 if (ret < 0)
1343 return ret;
1344
1345 list_add_tail(&pin->head, &hdmi->pin_list);
1346 hdmi->num_pin++;
1347 hdmi->num_ports += pin->num_ports;
1348
1349 return 0;
1350}
1351
1352#define INTEL_VENDOR_NID_0x2 0x02
1353#define INTEL_VENDOR_NID_0x8 0x08
1354#define INTEL_VENDOR_NID_0xb 0x0b
1355#define INTEL_GET_VENDOR_VERB 0xf81
1356#define INTEL_SET_VENDOR_VERB 0x781
1357#define INTEL_EN_DP12 0x02
1358#define INTEL_EN_ALL_PIN_CVTS 0x01
1359
1360static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdev)
1361{
1362 unsigned int vendor_param;
1363 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1364 unsigned int vendor_nid = hdmi->drv_data->vendor_nid;
1365
1366 vendor_param = snd_hdac_codec_read(hdev, vendor_nid, 0,
1367 INTEL_GET_VENDOR_VERB, 0);
1368 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
1369 return;
1370
1371 vendor_param |= INTEL_EN_ALL_PIN_CVTS;
1372 vendor_param = snd_hdac_codec_read(hdev, vendor_nid, 0,
1373 INTEL_SET_VENDOR_VERB, vendor_param);
1374 if (vendor_param == -1)
1375 return;
1376}
1377
1378static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdev)
1379{
1380 unsigned int vendor_param;
1381 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1382 unsigned int vendor_nid = hdmi->drv_data->vendor_nid;
1383
1384 vendor_param = snd_hdac_codec_read(hdev, vendor_nid, 0,
1385 INTEL_GET_VENDOR_VERB, 0);
1386 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
1387 return;
1388
1389
1390 vendor_param |= INTEL_EN_DP12;
1391 vendor_param = snd_hdac_codec_read(hdev, vendor_nid, 0,
1392 INTEL_SET_VENDOR_VERB, vendor_param);
1393 if (vendor_param == -1)
1394 return;
1395
1396}
1397
1398static const struct snd_soc_dai_ops hdmi_dai_ops = {
1399 .startup = hdac_hdmi_pcm_open,
1400 .shutdown = hdac_hdmi_pcm_close,
1401 .hw_params = hdac_hdmi_set_hw_params,
1402 .set_tdm_slot = hdac_hdmi_set_tdm_slot,
1403};
1404
1405
1406
1407
1408
1409static int hdac_hdmi_create_dais(struct hdac_device *hdev,
1410 struct snd_soc_dai_driver **dais,
1411 struct hdac_hdmi_priv *hdmi, int num_dais)
1412{
1413 struct snd_soc_dai_driver *hdmi_dais;
1414 struct hdac_hdmi_cvt *cvt;
1415 char name[NAME_SIZE], dai_name[NAME_SIZE];
1416 int i = 0;
1417 u32 rates, bps;
1418 unsigned int rate_max = 384000, rate_min = 8000;
1419 u64 formats;
1420 int ret;
1421
1422 hdmi_dais = devm_kzalloc(&hdev->dev,
1423 (sizeof(*hdmi_dais) * num_dais),
1424 GFP_KERNEL);
1425 if (!hdmi_dais)
1426 return -ENOMEM;
1427
1428 list_for_each_entry(cvt, &hdmi->cvt_list, head) {
1429 ret = snd_hdac_query_supported_pcm(hdev, cvt->nid,
1430 &rates, &formats, &bps);
1431 if (ret)
1432 return ret;
1433
1434
1435 rates &= ~(SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |
1436 SNDRV_PCM_RATE_176400);
1437 if (!rates)
1438 return -EINVAL;
1439
1440 sprintf(dai_name, "intel-hdmi-hifi%d", i+1);
1441 hdmi_dais[i].name = devm_kstrdup(&hdev->dev,
1442 dai_name, GFP_KERNEL);
1443
1444 if (!hdmi_dais[i].name)
1445 return -ENOMEM;
1446
1447 snprintf(name, sizeof(name), "hifi%d", i+1);
1448 hdmi_dais[i].playback.stream_name =
1449 devm_kstrdup(&hdev->dev, name, GFP_KERNEL);
1450 if (!hdmi_dais[i].playback.stream_name)
1451 return -ENOMEM;
1452
1453
1454
1455
1456
1457 hdmi_dais[i].playback.formats = formats;
1458 hdmi_dais[i].playback.rates = rates;
1459 hdmi_dais[i].playback.rate_max = rate_max;
1460 hdmi_dais[i].playback.rate_min = rate_min;
1461 hdmi_dais[i].playback.channels_min = 2;
1462 hdmi_dais[i].playback.channels_max = 2;
1463 hdmi_dais[i].playback.sig_bits = bps;
1464 hdmi_dais[i].ops = &hdmi_dai_ops;
1465 i++;
1466 }
1467
1468 *dais = hdmi_dais;
1469 hdmi->dai_drv = hdmi_dais;
1470
1471 return 0;
1472}
1473
1474
1475
1476
1477
1478static int hdac_hdmi_parse_and_map_nid(struct hdac_device *hdev,
1479 struct snd_soc_dai_driver **dais, int *num_dais)
1480{
1481 hda_nid_t nid;
1482 int i, num_nodes;
1483 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1484 int ret;
1485
1486 hdac_hdmi_skl_enable_all_pins(hdev);
1487 hdac_hdmi_skl_enable_dp12(hdev);
1488
1489 num_nodes = snd_hdac_get_sub_nodes(hdev, hdev->afg, &nid);
1490 if (!nid || num_nodes <= 0) {
1491 dev_warn(&hdev->dev, "HDMI: failed to get afg sub nodes\n");
1492 return -EINVAL;
1493 }
1494
1495 for (i = 0; i < num_nodes; i++, nid++) {
1496 unsigned int caps;
1497 unsigned int type;
1498
1499 caps = get_wcaps(hdev, nid);
1500 type = get_wcaps_type(caps);
1501
1502 if (!(caps & AC_WCAP_DIGITAL))
1503 continue;
1504
1505 switch (type) {
1506
1507 case AC_WID_AUD_OUT:
1508 ret = hdac_hdmi_add_cvt(hdev, nid);
1509 if (ret < 0)
1510 return ret;
1511 break;
1512
1513 case AC_WID_PIN:
1514 ret = hdac_hdmi_add_pin(hdev, nid);
1515 if (ret < 0)
1516 return ret;
1517 break;
1518 }
1519 }
1520
1521 if (!hdmi->num_pin || !hdmi->num_cvt) {
1522 ret = -EIO;
1523 dev_err(&hdev->dev, "Bad pin/cvt setup in %s\n", __func__);
1524 return ret;
1525 }
1526
1527 ret = hdac_hdmi_create_dais(hdev, dais, hdmi, hdmi->num_cvt);
1528 if (ret) {
1529 dev_err(&hdev->dev, "Failed to create dais with err: %d\n",
1530 ret);
1531 return ret;
1532 }
1533
1534 *num_dais = hdmi->num_cvt;
1535 ret = hdac_hdmi_init_dai_map(hdev);
1536 if (ret < 0)
1537 dev_err(&hdev->dev, "Failed to init DAI map with err: %d\n",
1538 ret);
1539 return ret;
1540}
1541
1542static int hdac_hdmi_pin2port(void *aptr, int pin)
1543{
1544 struct hdac_device *hdev = aptr;
1545 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1546 const int *map = hdmi->drv_data->port_map;
1547 int i;
1548
1549 if (!hdmi->drv_data->port_num)
1550 return pin - 4;
1551
1552
1553
1554
1555
1556 for (i = 0; i < hdmi->drv_data->port_num; i++) {
1557 if (pin == map[i])
1558 return i + 1;
1559 }
1560
1561
1562 dev_err(&hdev->dev, "Can't find the port for pin %d\n", pin);
1563 return -1;
1564}
1565
1566static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe)
1567{
1568 struct hdac_device *hdev = aptr;
1569 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1570 struct hdac_hdmi_pin *pin = NULL;
1571 struct hdac_hdmi_port *hport = NULL;
1572 struct snd_soc_component *component = hdmi->component;
1573 int i;
1574 hda_nid_t pin_nid;
1575
1576 if (!hdmi->drv_data->port_num) {
1577
1578 pin_nid = port + 0x04;
1579 } else if (port < hdmi->drv_data->port_num) {
1580
1581 pin_nid = hdmi->drv_data->port_map[port - 1];
1582 } else {
1583 dev_err(&hdev->dev, "Can't find the pin for port %d\n", port);
1584 return;
1585 }
1586
1587 dev_dbg(&hdev->dev, "%s: for pin:%d port=%d\n", __func__,
1588 pin_nid, pipe);
1589
1590
1591
1592
1593
1594
1595
1596 if (snd_power_get_state(component->card->snd_card) !=
1597 SNDRV_CTL_POWER_D0)
1598 return;
1599
1600 if (atomic_read(&hdev->in_pm))
1601 return;
1602
1603 list_for_each_entry(pin, &hdmi->pin_list, head) {
1604 if (pin->nid != pin_nid)
1605 continue;
1606
1607
1608 if (pipe == -1) {
1609 pin->mst_capable = false;
1610
1611 hport = &pin->ports[0];
1612 } else {
1613 for (i = 0; i < pin->num_ports; i++) {
1614 pin->mst_capable = true;
1615 if (pin->ports[i].id == pipe) {
1616 hport = &pin->ports[i];
1617 break;
1618 }
1619 }
1620 }
1621
1622 if (hport)
1623 hdac_hdmi_present_sense(pin, hport);
1624 }
1625
1626}
1627
1628static struct drm_audio_component_audio_ops aops = {
1629 .pin2port = hdac_hdmi_pin2port,
1630 .pin_eld_notify = hdac_hdmi_eld_notify_cb,
1631};
1632
1633static struct snd_pcm *hdac_hdmi_get_pcm_from_id(struct snd_soc_card *card,
1634 int device)
1635{
1636 struct snd_soc_pcm_runtime *rtd;
1637
1638 for_each_card_rtds(card, rtd) {
1639 if (rtd->pcm && (rtd->pcm->device == device))
1640 return rtd->pcm;
1641 }
1642
1643 return NULL;
1644}
1645
1646
1647static int create_fill_jack_kcontrols(struct snd_soc_card *card,
1648 struct hdac_device *hdev)
1649{
1650 struct hdac_hdmi_pin *pin;
1651 struct snd_kcontrol_new *kc;
1652 char kc_name[NAME_SIZE], xname[NAME_SIZE];
1653 char *name;
1654 int i = 0, j;
1655 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1656 struct snd_soc_component *component = hdmi->component;
1657
1658 kc = devm_kcalloc(component->dev, hdmi->num_ports,
1659 sizeof(*kc), GFP_KERNEL);
1660
1661 if (!kc)
1662 return -ENOMEM;
1663
1664 list_for_each_entry(pin, &hdmi->pin_list, head) {
1665 for (j = 0; j < pin->num_ports; j++) {
1666 snprintf(xname, sizeof(xname), "hif%d-%d Jack",
1667 pin->nid, pin->ports[j].id);
1668 name = devm_kstrdup(component->dev, xname, GFP_KERNEL);
1669 if (!name)
1670 return -ENOMEM;
1671 snprintf(kc_name, sizeof(kc_name), "%s Switch", xname);
1672 kc[i].name = devm_kstrdup(component->dev, kc_name,
1673 GFP_KERNEL);
1674 if (!kc[i].name)
1675 return -ENOMEM;
1676
1677 kc[i].private_value = (unsigned long)name;
1678 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1679 kc[i].access = 0;
1680 kc[i].info = snd_soc_dapm_info_pin_switch;
1681 kc[i].put = snd_soc_dapm_put_pin_switch;
1682 kc[i].get = snd_soc_dapm_get_pin_switch;
1683 i++;
1684 }
1685 }
1686
1687 return snd_soc_add_card_controls(card, kc, i);
1688}
1689
1690int hdac_hdmi_jack_port_init(struct snd_soc_component *component,
1691 struct snd_soc_dapm_context *dapm)
1692{
1693 struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
1694 struct hdac_device *hdev = hdmi->hdev;
1695 struct hdac_hdmi_pin *pin;
1696 struct snd_soc_dapm_widget *widgets;
1697 struct snd_soc_dapm_route *route;
1698 char w_name[NAME_SIZE];
1699 int i = 0, j, ret;
1700
1701 widgets = devm_kcalloc(dapm->dev, hdmi->num_ports,
1702 sizeof(*widgets), GFP_KERNEL);
1703
1704 if (!widgets)
1705 return -ENOMEM;
1706
1707 route = devm_kcalloc(dapm->dev, hdmi->num_ports,
1708 sizeof(*route), GFP_KERNEL);
1709 if (!route)
1710 return -ENOMEM;
1711
1712
1713 list_for_each_entry(pin, &hdmi->pin_list, head) {
1714 for (j = 0; j < pin->num_ports; j++) {
1715 snprintf(w_name, sizeof(w_name), "hif%d-%d Jack",
1716 pin->nid, pin->ports[j].id);
1717
1718 ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
1719 snd_soc_dapm_spk, NULL,
1720 w_name, NULL, NULL, 0, NULL, 0);
1721 if (ret < 0)
1722 return ret;
1723
1724 pin->ports[j].jack_pin = widgets[i].name;
1725 pin->ports[j].dapm = dapm;
1726
1727
1728 hdac_hdmi_fill_route(&route[i], pin->ports[j].jack_pin,
1729 NULL, pin->ports[j].output_pin, NULL);
1730
1731 i++;
1732 }
1733 }
1734
1735
1736 ret = snd_soc_dapm_new_controls(dapm, widgets, hdmi->num_ports);
1737 if (ret < 0)
1738 return ret;
1739
1740 ret = snd_soc_dapm_add_routes(dapm, route, hdmi->num_ports);
1741 if (ret < 0)
1742 return ret;
1743
1744 ret = snd_soc_dapm_new_widgets(dapm->card);
1745 if (ret < 0)
1746 return ret;
1747
1748
1749 ret = create_fill_jack_kcontrols(dapm->card, hdev);
1750
1751 if (ret < 0)
1752 return ret;
1753
1754
1755 list_for_each_entry(pin, &hdmi->pin_list, head) {
1756 for (j = 0; j < pin->num_ports; j++)
1757 snd_soc_dapm_disable_pin(pin->ports[j].dapm,
1758 pin->ports[j].jack_pin);
1759 }
1760
1761 return 0;
1762}
1763EXPORT_SYMBOL_GPL(hdac_hdmi_jack_port_init);
1764
1765int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device,
1766 struct snd_soc_jack *jack)
1767{
1768 struct snd_soc_component *component = dai->component;
1769 struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
1770 struct hdac_device *hdev = hdmi->hdev;
1771 struct hdac_hdmi_pcm *pcm;
1772 struct snd_pcm *snd_pcm;
1773 int err;
1774
1775
1776
1777
1778
1779 pcm = devm_kzalloc(&hdev->dev, sizeof(*pcm), GFP_KERNEL);
1780 if (!pcm)
1781 return -ENOMEM;
1782 pcm->pcm_id = device;
1783 pcm->cvt = hdmi->dai_map[dai->id].cvt;
1784 pcm->jack_event = 0;
1785 pcm->jack = jack;
1786 mutex_init(&pcm->lock);
1787 INIT_LIST_HEAD(&pcm->port_list);
1788 snd_pcm = hdac_hdmi_get_pcm_from_id(dai->component->card, device);
1789 if (snd_pcm) {
1790 err = snd_hdac_add_chmap_ctls(snd_pcm, device, &hdmi->chmap);
1791 if (err < 0) {
1792 dev_err(&hdev->dev,
1793 "chmap control add failed with err: %d for pcm: %d\n",
1794 err, device);
1795 return err;
1796 }
1797 }
1798
1799 list_add_tail(&pcm->head, &hdmi->pcm_list);
1800
1801 return 0;
1802}
1803EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init);
1804
1805static void hdac_hdmi_present_sense_all_pins(struct hdac_device *hdev,
1806 struct hdac_hdmi_priv *hdmi, bool detect_pin_caps)
1807{
1808 int i;
1809 struct hdac_hdmi_pin *pin;
1810
1811 list_for_each_entry(pin, &hdmi->pin_list, head) {
1812 if (detect_pin_caps) {
1813
1814 if (hdac_hdmi_get_port_len(hdev, pin->nid) == 0)
1815 pin->mst_capable = false;
1816 else
1817 pin->mst_capable = true;
1818 }
1819
1820 for (i = 0; i < pin->num_ports; i++) {
1821 if (!pin->mst_capable && i > 0)
1822 continue;
1823
1824 hdac_hdmi_present_sense(pin, &pin->ports[i]);
1825 }
1826 }
1827}
1828
1829static int hdmi_codec_probe(struct snd_soc_component *component)
1830{
1831 struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
1832 struct hdac_device *hdev = hdmi->hdev;
1833 struct snd_soc_dapm_context *dapm =
1834 snd_soc_component_get_dapm(component);
1835 struct hdac_ext_link *hlink = NULL;
1836 int ret;
1837
1838 hdmi->component = component;
1839
1840
1841
1842
1843
1844 hlink = snd_hdac_ext_bus_get_link(hdev->bus, dev_name(&hdev->dev));
1845 if (!hlink) {
1846 dev_err(&hdev->dev, "hdac link not found\n");
1847 return -EIO;
1848 }
1849
1850 snd_hdac_ext_bus_link_get(hdev->bus, hlink);
1851
1852 ret = create_fill_widget_route_map(dapm);
1853 if (ret < 0)
1854 return ret;
1855
1856 aops.audio_ptr = hdev;
1857 ret = snd_hdac_acomp_register_notifier(hdev->bus, &aops);
1858 if (ret < 0) {
1859 dev_err(&hdev->dev, "notifier register failed: err: %d\n", ret);
1860 return ret;
1861 }
1862
1863 hdac_hdmi_present_sense_all_pins(hdev, hdmi, true);
1864
1865 hdmi->card = dapm->card->snd_card;
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876 device_link_add(component->card->dev, &hdev->dev, DL_FLAG_RPM_ACTIVE |
1877 DL_FLAG_AUTOREMOVE_CONSUMER);
1878
1879
1880
1881
1882 pm_runtime_enable(&hdev->dev);
1883 pm_runtime_put(&hdev->dev);
1884 pm_runtime_suspend(&hdev->dev);
1885
1886 return 0;
1887}
1888
1889static void hdmi_codec_remove(struct snd_soc_component *component)
1890{
1891 struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
1892 struct hdac_device *hdev = hdmi->hdev;
1893 int ret;
1894
1895 ret = snd_hdac_acomp_register_notifier(hdev->bus, NULL);
1896 if (ret < 0)
1897 dev_err(&hdev->dev, "notifier unregister failed: err: %d\n",
1898 ret);
1899
1900 pm_runtime_disable(&hdev->dev);
1901}
1902
1903#ifdef CONFIG_PM_SLEEP
1904static int hdmi_codec_resume(struct device *dev)
1905{
1906 struct hdac_device *hdev = dev_to_hdac_dev(dev);
1907 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1908 int ret;
1909
1910 ret = pm_runtime_force_resume(dev);
1911 if (ret < 0)
1912 return ret;
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923 hdac_hdmi_present_sense_all_pins(hdev, hdmi, false);
1924 return 0;
1925}
1926#else
1927#define hdmi_codec_resume NULL
1928#endif
1929
1930static const struct snd_soc_component_driver hdmi_hda_codec = {
1931 .probe = hdmi_codec_probe,
1932 .remove = hdmi_codec_remove,
1933 .use_pmdown_time = 1,
1934 .endianness = 1,
1935 .non_legacy_dai_naming = 1,
1936};
1937
1938static void hdac_hdmi_get_chmap(struct hdac_device *hdev, int pcm_idx,
1939 unsigned char *chmap)
1940{
1941 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1942 struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
1943
1944 memcpy(chmap, pcm->chmap, ARRAY_SIZE(pcm->chmap));
1945}
1946
1947static void hdac_hdmi_set_chmap(struct hdac_device *hdev, int pcm_idx,
1948 unsigned char *chmap, int prepared)
1949{
1950 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1951 struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
1952 struct hdac_hdmi_port *port;
1953
1954 if (!pcm)
1955 return;
1956
1957 if (list_empty(&pcm->port_list))
1958 return;
1959
1960 mutex_lock(&pcm->lock);
1961 pcm->chmap_set = true;
1962 memcpy(pcm->chmap, chmap, ARRAY_SIZE(pcm->chmap));
1963 list_for_each_entry(port, &pcm->port_list, head)
1964 if (prepared)
1965 hdac_hdmi_setup_audio_infoframe(hdev, pcm, port);
1966 mutex_unlock(&pcm->lock);
1967}
1968
1969static bool is_hdac_hdmi_pcm_attached(struct hdac_device *hdev, int pcm_idx)
1970{
1971 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1972 struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
1973
1974 if (!pcm)
1975 return false;
1976
1977 if (list_empty(&pcm->port_list))
1978 return false;
1979
1980 return true;
1981}
1982
1983static int hdac_hdmi_get_spk_alloc(struct hdac_device *hdev, int pcm_idx)
1984{
1985 struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
1986 struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
1987 struct hdac_hdmi_port *port;
1988
1989 if (!pcm)
1990 return 0;
1991
1992 if (list_empty(&pcm->port_list))
1993 return 0;
1994
1995 port = list_first_entry(&pcm->port_list, struct hdac_hdmi_port, head);
1996
1997 if (!port || !port->eld.eld_valid)
1998 return 0;
1999
2000 return port->eld.info.spk_alloc;
2001}
2002
2003static struct hdac_hdmi_drv_data intel_icl_drv_data = {
2004 .vendor_nid = INTEL_VENDOR_NID_0x2,
2005 .port_map = icl_pin2port_map,
2006 .port_num = ARRAY_SIZE(icl_pin2port_map),
2007};
2008
2009static struct hdac_hdmi_drv_data intel_glk_drv_data = {
2010 .vendor_nid = INTEL_VENDOR_NID_0xb,
2011};
2012
2013static struct hdac_hdmi_drv_data intel_drv_data = {
2014 .vendor_nid = INTEL_VENDOR_NID_0x8,
2015};
2016
2017static int hdac_hdmi_dev_probe(struct hdac_device *hdev)
2018{
2019 struct hdac_hdmi_priv *hdmi_priv = NULL;
2020 struct snd_soc_dai_driver *hdmi_dais = NULL;
2021 struct hdac_ext_link *hlink = NULL;
2022 int num_dais = 0;
2023 int ret = 0;
2024 struct hdac_driver *hdrv = drv_to_hdac_driver(hdev->dev.driver);
2025 const struct hda_device_id *hdac_id = hdac_get_device_id(hdev, hdrv);
2026
2027
2028 hlink = snd_hdac_ext_bus_get_link(hdev->bus, dev_name(&hdev->dev));
2029 if (!hlink) {
2030 dev_err(&hdev->dev, "hdac link not found\n");
2031 return -EIO;
2032 }
2033
2034 snd_hdac_ext_bus_link_get(hdev->bus, hlink);
2035
2036 hdmi_priv = devm_kzalloc(&hdev->dev, sizeof(*hdmi_priv), GFP_KERNEL);
2037 if (hdmi_priv == NULL)
2038 return -ENOMEM;
2039
2040 snd_hdac_register_chmap_ops(hdev, &hdmi_priv->chmap);
2041 hdmi_priv->chmap.ops.get_chmap = hdac_hdmi_get_chmap;
2042 hdmi_priv->chmap.ops.set_chmap = hdac_hdmi_set_chmap;
2043 hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached;
2044 hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc;
2045 hdmi_priv->hdev = hdev;
2046
2047 if (!hdac_id)
2048 return -ENODEV;
2049
2050 if (hdac_id->driver_data)
2051 hdmi_priv->drv_data =
2052 (struct hdac_hdmi_drv_data *)hdac_id->driver_data;
2053 else
2054 hdmi_priv->drv_data = &intel_drv_data;
2055
2056 dev_set_drvdata(&hdev->dev, hdmi_priv);
2057
2058 INIT_LIST_HEAD(&hdmi_priv->pin_list);
2059 INIT_LIST_HEAD(&hdmi_priv->cvt_list);
2060 INIT_LIST_HEAD(&hdmi_priv->pcm_list);
2061 mutex_init(&hdmi_priv->pin_mutex);
2062
2063
2064
2065
2066
2067 snd_hdac_display_power(hdev->bus, hdev->addr, true);
2068
2069 ret = hdac_hdmi_parse_and_map_nid(hdev, &hdmi_dais, &num_dais);
2070 if (ret < 0) {
2071 dev_err(&hdev->dev,
2072 "Failed in parse and map nid with err: %d\n", ret);
2073 return ret;
2074 }
2075 snd_hdac_refresh_widgets(hdev);
2076
2077
2078 ret = devm_snd_soc_register_component(&hdev->dev, &hdmi_hda_codec,
2079 hdmi_dais, num_dais);
2080
2081 snd_hdac_ext_bus_link_put(hdev->bus, hlink);
2082
2083 return ret;
2084}
2085
2086static int hdac_hdmi_dev_remove(struct hdac_device *hdev)
2087{
2088 snd_hdac_display_power(hdev->bus, hdev->addr, false);
2089
2090 return 0;
2091}
2092
2093#ifdef CONFIG_PM
2094static int hdac_hdmi_runtime_suspend(struct device *dev)
2095{
2096 struct hdac_device *hdev = dev_to_hdac_dev(dev);
2097 struct hdac_bus *bus = hdev->bus;
2098 struct hdac_ext_link *hlink = NULL;
2099
2100 dev_dbg(dev, "Enter: %s\n", __func__);
2101
2102
2103 if (!bus)
2104 return 0;
2105
2106
2107
2108
2109
2110
2111
2112
2113 snd_hdac_codec_read(hdev, hdev->afg, 0, AC_VERB_SET_POWER_STATE,
2114 AC_PWRST_D3);
2115
2116 hlink = snd_hdac_ext_bus_get_link(bus, dev_name(dev));
2117 if (!hlink) {
2118 dev_err(dev, "hdac link not found\n");
2119 return -EIO;
2120 }
2121
2122 snd_hdac_codec_link_down(hdev);
2123 snd_hdac_ext_bus_link_put(bus, hlink);
2124
2125 snd_hdac_display_power(bus, hdev->addr, false);
2126
2127 return 0;
2128}
2129
2130static int hdac_hdmi_runtime_resume(struct device *dev)
2131{
2132 struct hdac_device *hdev = dev_to_hdac_dev(dev);
2133 struct hdac_bus *bus = hdev->bus;
2134 struct hdac_ext_link *hlink = NULL;
2135
2136 dev_dbg(dev, "Enter: %s\n", __func__);
2137
2138
2139 if (!bus)
2140 return 0;
2141
2142 hlink = snd_hdac_ext_bus_get_link(bus, dev_name(dev));
2143 if (!hlink) {
2144 dev_err(dev, "hdac link not found\n");
2145 return -EIO;
2146 }
2147
2148 snd_hdac_ext_bus_link_get(bus, hlink);
2149 snd_hdac_codec_link_up(hdev);
2150
2151 snd_hdac_display_power(bus, hdev->addr, true);
2152
2153 hdac_hdmi_skl_enable_all_pins(hdev);
2154 hdac_hdmi_skl_enable_dp12(hdev);
2155
2156
2157 snd_hdac_codec_read(hdev, hdev->afg, 0, AC_VERB_SET_POWER_STATE,
2158 AC_PWRST_D0);
2159
2160 return 0;
2161}
2162#else
2163#define hdac_hdmi_runtime_suspend NULL
2164#define hdac_hdmi_runtime_resume NULL
2165#endif
2166
2167static const struct dev_pm_ops hdac_hdmi_pm = {
2168 SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL)
2169 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, hdmi_codec_resume)
2170};
2171
2172static const struct hda_device_id hdmi_list[] = {
2173 HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0),
2174 HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0),
2175 HDA_CODEC_EXT_ENTRY(0x8086280b, 0x100000, "Kabylake HDMI", 0),
2176 HDA_CODEC_EXT_ENTRY(0x8086280c, 0x100000, "Cannonlake HDMI",
2177 &intel_glk_drv_data),
2178 HDA_CODEC_EXT_ENTRY(0x8086280d, 0x100000, "Geminilake HDMI",
2179 &intel_glk_drv_data),
2180 HDA_CODEC_EXT_ENTRY(0x8086280f, 0x100000, "Icelake HDMI",
2181 &intel_icl_drv_data),
2182 {}
2183};
2184
2185MODULE_DEVICE_TABLE(hdaudio, hdmi_list);
2186
2187static struct hdac_driver hdmi_driver = {
2188 .driver = {
2189 .name = "HDMI HDA Codec",
2190 .pm = &hdac_hdmi_pm,
2191 },
2192 .id_table = hdmi_list,
2193 .probe = hdac_hdmi_dev_probe,
2194 .remove = hdac_hdmi_dev_remove,
2195};
2196
2197static int __init hdmi_init(void)
2198{
2199 return snd_hda_ext_driver_register(&hdmi_driver);
2200}
2201
2202static void __exit hdmi_exit(void)
2203{
2204 snd_hda_ext_driver_unregister(&hdmi_driver);
2205}
2206
2207module_init(hdmi_init);
2208module_exit(hdmi_exit);
2209
2210MODULE_LICENSE("GPL v2");
2211MODULE_DESCRIPTION("HDMI HD codec");
2212MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>");
2213MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>");
2214