1/*
2 *
3 *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
4 *
5 *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
6 *  Copyright (c) 2006 ATI Technologies Inc.
7 *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
8 *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
9 *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
10 *
11 *  Authors:
12 *			Wu Fengguang <wfg@linux.intel.com>
13 *
14 *  Maintained by:
15 *			Wu Fengguang <wfg@linux.intel.com>
16 *
17 *  This program is free software; you can redistribute it and/or modify it
18 *  under the terms of the GNU General Public License as published by the Free
19 *  Software Foundation; either version 2 of the License, or (at your option)
20 *  any later version.
21 *
22 *  This program is distributed in the hope that it will be useful, but
23 *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
25 *  for more details.
26 *
27 *  You should have received a copy of the GNU General Public License
28 *  along with this program; if not, write to the Free Software Foundation,
29 *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
30 */
31
32#include <linux/init.h>
33#include <linux/delay.h>
34#include <linux/slab.h>
35#include <linux/module.h>
36#include <sound/core.h>
37#include <sound/jack.h>
38#include <sound/asoundef.h>
39#include <sound/tlv.h>
40#include "hda_codec.h"
41#include "hda_local.h"
42#include "hda_jack.h"
43
44static bool static_hdmi_pcm;
45module_param(static_hdmi_pcm, bool, 0644);
46MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
47
48#define is_haswell(codec)  ((codec)->core.vendor_id == 0x80862807)
49#define is_broadwell(codec)    ((codec)->core.vendor_id == 0x80862808)
50#define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
51#define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
52#define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
53				|| is_skylake(codec) || is_broxton(codec))
54
55#define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
56#define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
57#define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
58
59struct hdmi_spec_per_cvt {
60	hda_nid_t cvt_nid;
61	int assigned;
62	unsigned int channels_min;
63	unsigned int channels_max;
64	u32 rates;
65	u64 formats;
66	unsigned int maxbps;
67};
68
69/* max. connections to a widget */
70#define HDA_MAX_CONNECTIONS	32
71
72struct hdmi_spec_per_pin {
73	hda_nid_t pin_nid;
74	int num_mux_nids;
75	hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
76	int mux_idx;
77	hda_nid_t cvt_nid;
78
79	struct hda_codec *codec;
80	struct hdmi_eld sink_eld;
81	struct mutex lock;
82	struct delayed_work work;
83	struct snd_kcontrol *eld_ctl;
84	int repoll_count;
85	bool setup; /* the stream has been set up by prepare callback */
86	int channels; /* current number of channels */
87	bool non_pcm;
88	bool chmap_set;		/* channel-map override by ALSA API? */
89	unsigned char chmap[8]; /* ALSA API channel-map */
90#ifdef CONFIG_PROC_FS
91	struct snd_info_entry *proc_entry;
92#endif
93};
94
95struct cea_channel_speaker_allocation;
96
97/* operations used by generic code that can be overridden by patches */
98struct hdmi_ops {
99	int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
100			   unsigned char *buf, int *eld_size);
101
102	/* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
103	int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
104				    int asp_slot);
105	int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
106				    int asp_slot, int channel);
107
108	void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
109				    int ca, int active_channels, int conn_type);
110
111	/* enable/disable HBR (HD passthrough) */
112	int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
113
114	int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
115			    hda_nid_t pin_nid, u32 stream_tag, int format);
116
117	/* Helpers for producing the channel map TLVs. These can be overridden
118	 * for devices that have non-standard mapping requirements. */
119	int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap,
120						 int channels);
121	void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap,
122				       unsigned int *chmap, int channels);
123
124	/* check that the user-given chmap is supported */
125	int (*chmap_validate)(int ca, int channels, unsigned char *chmap);
126};
127
128struct hdmi_spec {
129	int num_cvts;
130	struct snd_array cvts; /* struct hdmi_spec_per_cvt */
131	hda_nid_t cvt_nids[4]; /* only for haswell fix */
132
133	int num_pins;
134	struct snd_array pins; /* struct hdmi_spec_per_pin */
135	struct hda_pcm *pcm_rec[16];
136	unsigned int channels_max; /* max over all cvts */
137
138	struct hdmi_eld temp_eld;
139	struct hdmi_ops ops;
140
141	bool dyn_pin_out;
142
143	/*
144	 * Non-generic VIA/NVIDIA specific
145	 */
146	struct hda_multi_out multiout;
147	struct hda_pcm_stream pcm_playback;
148};
149
150
151struct hdmi_audio_infoframe {
152	u8 type; /* 0x84 */
153	u8 ver;  /* 0x01 */
154	u8 len;  /* 0x0a */
155
156	u8 checksum;
157
158	u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */
159	u8 SS01_SF24;
160	u8 CXT04;
161	u8 CA;
162	u8 LFEPBL01_LSV36_DM_INH7;
163};
164
165struct dp_audio_infoframe {
166	u8 type; /* 0x84 */
167	u8 len;  /* 0x1b */
168	u8 ver;  /* 0x11 << 2 */
169
170	u8 CC02_CT47;	/* match with HDMI infoframe from this on */
171	u8 SS01_SF24;
172	u8 CXT04;
173	u8 CA;
174	u8 LFEPBL01_LSV36_DM_INH7;
175};
176
177union audio_infoframe {
178	struct hdmi_audio_infoframe hdmi;
179	struct dp_audio_infoframe dp;
180	u8 bytes[0];
181};
182
183/*
184 * CEA speaker placement:
185 *
186 *        FLH       FCH        FRH
187 *  FLW    FL  FLC   FC   FRC   FR   FRW
188 *
189 *                                  LFE
190 *                     TC
191 *
192 *          RL  RLC   RC   RRC   RR
193 *
194 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
195 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
196 */
197enum cea_speaker_placement {
198	FL  = (1 <<  0),	/* Front Left           */
199	FC  = (1 <<  1),	/* Front Center         */
200	FR  = (1 <<  2),	/* Front Right          */
201	FLC = (1 <<  3),	/* Front Left Center    */
202	FRC = (1 <<  4),	/* Front Right Center   */
203	RL  = (1 <<  5),	/* Rear Left            */
204	RC  = (1 <<  6),	/* Rear Center          */
205	RR  = (1 <<  7),	/* Rear Right           */
206	RLC = (1 <<  8),	/* Rear Left Center     */
207	RRC = (1 <<  9),	/* Rear Right Center    */
208	LFE = (1 << 10),	/* Low Frequency Effect */
209	FLW = (1 << 11),	/* Front Left Wide      */
210	FRW = (1 << 12),	/* Front Right Wide     */
211	FLH = (1 << 13),	/* Front Left High      */
212	FCH = (1 << 14),	/* Front Center High    */
213	FRH = (1 << 15),	/* Front Right High     */
214	TC  = (1 << 16),	/* Top Center           */
215};
216
217/*
218 * ELD SA bits in the CEA Speaker Allocation data block
219 */
220static int eld_speaker_allocation_bits[] = {
221	[0] = FL | FR,
222	[1] = LFE,
223	[2] = FC,
224	[3] = RL | RR,
225	[4] = RC,
226	[5] = FLC | FRC,
227	[6] = RLC | RRC,
228	/* the following are not defined in ELD yet */
229	[7] = FLW | FRW,
230	[8] = FLH | FRH,
231	[9] = TC,
232	[10] = FCH,
233};
234
235struct cea_channel_speaker_allocation {
236	int ca_index;
237	int speakers[8];
238
239	/* derived values, just for convenience */
240	int channels;
241	int spk_mask;
242};
243
244/*
245 * ALSA sequence is:
246 *
247 *       surround40   surround41   surround50   surround51   surround71
248 * ch0   front left   =            =            =            =
249 * ch1   front right  =            =            =            =
250 * ch2   rear left    =            =            =            =
251 * ch3   rear right   =            =            =            =
252 * ch4                LFE          center       center       center
253 * ch5                                          LFE          LFE
254 * ch6                                                       side left
255 * ch7                                                       side right
256 *
257 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
258 */
259static int hdmi_channel_mapping[0x32][8] = {
260	/* stereo */
261	[0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
262	/* 2.1 */
263	[0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
264	/* Dolby Surround */
265	[0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
266	/* surround40 */
267	[0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
268	/* 4ch */
269	[0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
270	/* surround41 */
271	[0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
272	/* surround50 */
273	[0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
274	/* surround51 */
275	[0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
276	/* 7.1 */
277	[0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
278};
279
280/*
281 * This is an ordered list!
282 *
283 * The preceding ones have better chances to be selected by
284 * hdmi_channel_allocation().
285 */
286static struct cea_channel_speaker_allocation channel_allocations[] = {
287/*			  channel:   7     6    5    4    3     2    1    0  */
288{ .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
289				 /* 2.1 */
290{ .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
291				 /* Dolby Surround */
292{ .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
293				 /* surround40 */
294{ .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
295				 /* surround41 */
296{ .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
297				 /* surround50 */
298{ .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
299				 /* surround51 */
300{ .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
301				 /* 6.1 */
302{ .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
303				 /* surround71 */
304{ .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
305
306{ .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
307{ .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
308{ .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
309{ .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
310{ .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
311{ .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
312{ .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
313{ .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
314{ .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
315{ .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
316{ .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
317{ .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
318{ .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
319{ .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
320{ .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
321{ .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
322{ .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
323{ .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
324{ .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
325{ .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
326{ .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
327{ .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
328{ .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
329{ .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
330{ .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
331{ .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
332{ .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
333{ .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
334{ .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
335{ .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
336{ .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
337{ .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
338{ .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
339{ .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
340{ .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
341{ .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
342{ .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
343{ .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
344{ .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
345{ .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
346{ .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
347};
348
349
350/*
351 * HDMI routines
352 */
353
354#define get_pin(spec, idx) \
355	((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
356#define get_cvt(spec, idx) \
357	((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
358#define get_pcm_rec(spec, idx)	((spec)->pcm_rec[idx])
359
360static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
361{
362	struct hdmi_spec *spec = codec->spec;
363	int pin_idx;
364
365	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
366		if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
367			return pin_idx;
368
369	codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
370	return -EINVAL;
371}
372
373static int hinfo_to_pin_index(struct hda_codec *codec,
374			      struct hda_pcm_stream *hinfo)
375{
376	struct hdmi_spec *spec = codec->spec;
377	int pin_idx;
378
379	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
380		if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
381			return pin_idx;
382
383	codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
384	return -EINVAL;
385}
386
387static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
388{
389	struct hdmi_spec *spec = codec->spec;
390	int cvt_idx;
391
392	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
393		if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
394			return cvt_idx;
395
396	codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
397	return -EINVAL;
398}
399
400static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
401			struct snd_ctl_elem_info *uinfo)
402{
403	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
404	struct hdmi_spec *spec = codec->spec;
405	struct hdmi_spec_per_pin *per_pin;
406	struct hdmi_eld *eld;
407	int pin_idx;
408
409	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
410
411	pin_idx = kcontrol->private_value;
412	per_pin = get_pin(spec, pin_idx);
413	eld = &per_pin->sink_eld;
414
415	mutex_lock(&per_pin->lock);
416	uinfo->count = eld->eld_valid ? eld->eld_size : 0;
417	mutex_unlock(&per_pin->lock);
418
419	return 0;
420}
421
422static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
423			struct snd_ctl_elem_value *ucontrol)
424{
425	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
426	struct hdmi_spec *spec = codec->spec;
427	struct hdmi_spec_per_pin *per_pin;
428	struct hdmi_eld *eld;
429	int pin_idx;
430
431	pin_idx = kcontrol->private_value;
432	per_pin = get_pin(spec, pin_idx);
433	eld = &per_pin->sink_eld;
434
435	mutex_lock(&per_pin->lock);
436	if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
437	    eld->eld_size > ELD_MAX_SIZE) {
438		mutex_unlock(&per_pin->lock);
439		snd_BUG();
440		return -EINVAL;
441	}
442
443	memset(ucontrol->value.bytes.data, 0,
444	       ARRAY_SIZE(ucontrol->value.bytes.data));
445	if (eld->eld_valid)
446		memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
447		       eld->eld_size);
448	mutex_unlock(&per_pin->lock);
449
450	return 0;
451}
452
453static struct snd_kcontrol_new eld_bytes_ctl = {
454	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
455	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
456	.name = "ELD",
457	.info = hdmi_eld_ctl_info,
458	.get = hdmi_eld_ctl_get,
459};
460
461static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
462			int device)
463{
464	struct snd_kcontrol *kctl;
465	struct hdmi_spec *spec = codec->spec;
466	int err;
467
468	kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
469	if (!kctl)
470		return -ENOMEM;
471	kctl->private_value = pin_idx;
472	kctl->id.device = device;
473
474	err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
475	if (err < 0)
476		return err;
477
478	get_pin(spec, pin_idx)->eld_ctl = kctl;
479	return 0;
480}
481
482#ifdef BE_PARANOID
483static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
484				int *packet_index, int *byte_index)
485{
486	int val;
487
488	val = snd_hda_codec_read(codec, pin_nid, 0,
489				 AC_VERB_GET_HDMI_DIP_INDEX, 0);
490
491	*packet_index = val >> 5;
492	*byte_index = val & 0x1f;
493}
494#endif
495
496static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
497				int packet_index, int byte_index)
498{
499	int val;
500
501	val = (packet_index << 5) | (byte_index & 0x1f);
502
503	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
504}
505
506static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
507				unsigned char val)
508{
509	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
510}
511
512static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
513{
514	struct hdmi_spec *spec = codec->spec;
515	int pin_out;
516
517	/* Unmute */
518	if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
519		snd_hda_codec_write(codec, pin_nid, 0,
520				AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
521
522	if (spec->dyn_pin_out)
523		/* Disable pin out until stream is active */
524		pin_out = 0;
525	else
526		/* Enable pin out: some machines with GM965 gets broken output
527		 * when the pin is disabled or changed while using with HDMI
528		 */
529		pin_out = PIN_OUT;
530
531	snd_hda_codec_write(codec, pin_nid, 0,
532			    AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
533}
534
535static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
536{
537	return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
538					AC_VERB_GET_CVT_CHAN_COUNT, 0);
539}
540
541static void hdmi_set_channel_count(struct hda_codec *codec,
542				   hda_nid_t cvt_nid, int chs)
543{
544	if (chs != hdmi_get_channel_count(codec, cvt_nid))
545		snd_hda_codec_write(codec, cvt_nid, 0,
546				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
547}
548
549/*
550 * ELD proc files
551 */
552
553#ifdef CONFIG_PROC_FS
554static void print_eld_info(struct snd_info_entry *entry,
555			   struct snd_info_buffer *buffer)
556{
557	struct hdmi_spec_per_pin *per_pin = entry->private_data;
558
559	mutex_lock(&per_pin->lock);
560	snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
561	mutex_unlock(&per_pin->lock);
562}
563
564static void write_eld_info(struct snd_info_entry *entry,
565			   struct snd_info_buffer *buffer)
566{
567	struct hdmi_spec_per_pin *per_pin = entry->private_data;
568
569	mutex_lock(&per_pin->lock);
570	snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
571	mutex_unlock(&per_pin->lock);
572}
573
574static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
575{
576	char name[32];
577	struct hda_codec *codec = per_pin->codec;
578	struct snd_info_entry *entry;
579	int err;
580
581	snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
582	err = snd_card_proc_new(codec->card, name, &entry);
583	if (err < 0)
584		return err;
585
586	snd_info_set_text_ops(entry, per_pin, print_eld_info);
587	entry->c.text.write = write_eld_info;
588	entry->mode |= S_IWUSR;
589	per_pin->proc_entry = entry;
590
591	return 0;
592}
593
594static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
595{
596	if (!per_pin->codec->bus->shutdown && per_pin->proc_entry) {
597		snd_device_free(per_pin->codec->card, per_pin->proc_entry);
598		per_pin->proc_entry = NULL;
599	}
600}
601#else
602static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
603			       int index)
604{
605	return 0;
606}
607static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
608{
609}
610#endif
611
612/*
613 * Channel mapping routines
614 */
615
616/*
617 * Compute derived values in channel_allocations[].
618 */
619static void init_channel_allocations(void)
620{
621	int i, j;
622	struct cea_channel_speaker_allocation *p;
623
624	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
625		p = channel_allocations + i;
626		p->channels = 0;
627		p->spk_mask = 0;
628		for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
629			if (p->speakers[j]) {
630				p->channels++;
631				p->spk_mask |= p->speakers[j];
632			}
633	}
634}
635
636static int get_channel_allocation_order(int ca)
637{
638	int i;
639
640	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
641		if (channel_allocations[i].ca_index == ca)
642			break;
643	}
644	return i;
645}
646
647/*
648 * The transformation takes two steps:
649 *
650 *	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
651 *	      spk_mask => (channel_allocations[])         => ai->CA
652 *
653 * TODO: it could select the wrong CA from multiple candidates.
654*/
655static int hdmi_channel_allocation(struct hda_codec *codec,
656				   struct hdmi_eld *eld, int channels)
657{
658	int i;
659	int ca = 0;
660	int spk_mask = 0;
661	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
662
663	/*
664	 * CA defaults to 0 for basic stereo audio
665	 */
666	if (channels <= 2)
667		return 0;
668
669	/*
670	 * expand ELD's speaker allocation mask
671	 *
672	 * ELD tells the speaker mask in a compact(paired) form,
673	 * expand ELD's notions to match the ones used by Audio InfoFrame.
674	 */
675	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
676		if (eld->info.spk_alloc & (1 << i))
677			spk_mask |= eld_speaker_allocation_bits[i];
678	}
679
680	/* search for the first working match in the CA table */
681	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
682		if (channels == channel_allocations[i].channels &&
683		    (spk_mask & channel_allocations[i].spk_mask) ==
684				channel_allocations[i].spk_mask) {
685			ca = channel_allocations[i].ca_index;
686			break;
687		}
688	}
689
690	if (!ca) {
691		/* if there was no match, select the regular ALSA channel
692		 * allocation with the matching number of channels */
693		for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
694			if (channels == channel_allocations[i].channels) {
695				ca = channel_allocations[i].ca_index;
696				break;
697			}
698		}
699	}
700
701	snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
702	codec_dbg(codec, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
703		    ca, channels, buf);
704
705	return ca;
706}
707
708static void hdmi_debug_channel_mapping(struct hda_codec *codec,
709				       hda_nid_t pin_nid)
710{
711#ifdef CONFIG_SND_DEBUG_VERBOSE
712	struct hdmi_spec *spec = codec->spec;
713	int i;
714	int channel;
715
716	for (i = 0; i < 8; i++) {
717		channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i);
718		codec_dbg(codec, "HDMI: ASP channel %d => slot %d\n",
719						channel, i);
720	}
721#endif
722}
723
724static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
725				       hda_nid_t pin_nid,
726				       bool non_pcm,
727				       int ca)
728{
729	struct hdmi_spec *spec = codec->spec;
730	struct cea_channel_speaker_allocation *ch_alloc;
731	int i;
732	int err;
733	int order;
734	int non_pcm_mapping[8];
735
736	order = get_channel_allocation_order(ca);
737	ch_alloc = &channel_allocations[order];
738
739	if (hdmi_channel_mapping[ca][1] == 0) {
740		int hdmi_slot = 0;
741		/* fill actual channel mappings in ALSA channel (i) order */
742		for (i = 0; i < ch_alloc->channels; i++) {
743			while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
744				hdmi_slot++; /* skip zero slots */
745
746			hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
747		}
748		/* fill the rest of the slots with ALSA channel 0xf */
749		for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
750			if (!ch_alloc->speakers[7 - hdmi_slot])
751				hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
752	}
753
754	if (non_pcm) {
755		for (i = 0; i < ch_alloc->channels; i++)
756			non_pcm_mapping[i] = (i << 4) | i;
757		for (; i < 8; i++)
758			non_pcm_mapping[i] = (0xf << 4) | i;
759	}
760
761	for (i = 0; i < 8; i++) {
762		int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
763		int hdmi_slot = slotsetup & 0x0f;
764		int channel = (slotsetup & 0xf0) >> 4;
765		err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel);
766		if (err) {
767			codec_dbg(codec, "HDMI: channel mapping failed\n");
768			break;
769		}
770	}
771}
772
773struct channel_map_table {
774	unsigned char map;		/* ALSA API channel map position */
775	int spk_mask;			/* speaker position bit mask */
776};
777
778static struct channel_map_table map_tables[] = {
779	{ SNDRV_CHMAP_FL,	FL },
780	{ SNDRV_CHMAP_FR,	FR },
781	{ SNDRV_CHMAP_RL,	RL },
782	{ SNDRV_CHMAP_RR,	RR },
783	{ SNDRV_CHMAP_LFE,	LFE },
784	{ SNDRV_CHMAP_FC,	FC },
785	{ SNDRV_CHMAP_RLC,	RLC },
786	{ SNDRV_CHMAP_RRC,	RRC },
787	{ SNDRV_CHMAP_RC,	RC },
788	{ SNDRV_CHMAP_FLC,	FLC },
789	{ SNDRV_CHMAP_FRC,	FRC },
790	{ SNDRV_CHMAP_TFL,	FLH },
791	{ SNDRV_CHMAP_TFR,	FRH },
792	{ SNDRV_CHMAP_FLW,	FLW },
793	{ SNDRV_CHMAP_FRW,	FRW },
794	{ SNDRV_CHMAP_TC,	TC },
795	{ SNDRV_CHMAP_TFC,	FCH },
796	{} /* terminator */
797};
798
799/* from ALSA API channel position to speaker bit mask */
800static int to_spk_mask(unsigned char c)
801{
802	struct channel_map_table *t = map_tables;
803	for (; t->map; t++) {
804		if (t->map == c)
805			return t->spk_mask;
806	}
807	return 0;
808}
809
810/* from ALSA API channel position to CEA slot */
811static int to_cea_slot(int ordered_ca, unsigned char pos)
812{
813	int mask = to_spk_mask(pos);
814	int i;
815
816	if (mask) {
817		for (i = 0; i < 8; i++) {
818			if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
819				return i;
820		}
821	}
822
823	return -1;
824}
825
826/* from speaker bit mask to ALSA API channel position */
827static int spk_to_chmap(int spk)
828{
829	struct channel_map_table *t = map_tables;
830	for (; t->map; t++) {
831		if (t->spk_mask == spk)
832			return t->map;
833	}
834	return 0;
835}
836
837/* from CEA slot to ALSA API channel position */
838static int from_cea_slot(int ordered_ca, unsigned char slot)
839{
840	int mask = channel_allocations[ordered_ca].speakers[7 - slot];
841
842	return spk_to_chmap(mask);
843}
844
845/* get the CA index corresponding to the given ALSA API channel map */
846static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
847{
848	int i, spks = 0, spk_mask = 0;
849
850	for (i = 0; i < chs; i++) {
851		int mask = to_spk_mask(map[i]);
852		if (mask) {
853			spk_mask |= mask;
854			spks++;
855		}
856	}
857
858	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
859		if ((chs == channel_allocations[i].channels ||
860		     spks == channel_allocations[i].channels) &&
861		    (spk_mask & channel_allocations[i].spk_mask) ==
862				channel_allocations[i].spk_mask)
863			return channel_allocations[i].ca_index;
864	}
865	return -1;
866}
867
868/* set up the channel slots for the given ALSA API channel map */
869static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
870					     hda_nid_t pin_nid,
871					     int chs, unsigned char *map,
872					     int ca)
873{
874	struct hdmi_spec *spec = codec->spec;
875	int ordered_ca = get_channel_allocation_order(ca);
876	int alsa_pos, hdmi_slot;
877	int assignments[8] = {[0 ... 7] = 0xf};
878
879	for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
880
881		hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
882
883		if (hdmi_slot < 0)
884			continue; /* unassigned channel */
885
886		assignments[hdmi_slot] = alsa_pos;
887	}
888
889	for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
890		int err;
891
892		err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot,
893						     assignments[hdmi_slot]);
894		if (err)
895			return -EINVAL;
896	}
897	return 0;
898}
899
900/* store ALSA API channel map from the current default map */
901static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
902{
903	int i;
904	int ordered_ca = get_channel_allocation_order(ca);
905	for (i = 0; i < 8; i++) {
906		if (i < channel_allocations[ordered_ca].channels)
907			map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
908		else
909			map[i] = 0;
910	}
911}
912
913static void hdmi_setup_channel_mapping(struct hda_codec *codec,
914				       hda_nid_t pin_nid, bool non_pcm, int ca,
915				       int channels, unsigned char *map,
916				       bool chmap_set)
917{
918	if (!non_pcm && chmap_set) {
919		hdmi_manual_setup_channel_mapping(codec, pin_nid,
920						  channels, map, ca);
921	} else {
922		hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
923		hdmi_setup_fake_chmap(map, ca);
924	}
925
926	hdmi_debug_channel_mapping(codec, pin_nid);
927}
928
929static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
930				     int asp_slot, int channel)
931{
932	return snd_hda_codec_write(codec, pin_nid, 0,
933				   AC_VERB_SET_HDMI_CHAN_SLOT,
934				   (channel << 4) | asp_slot);
935}
936
937static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
938				     int asp_slot)
939{
940	return (snd_hda_codec_read(codec, pin_nid, 0,
941				   AC_VERB_GET_HDMI_CHAN_SLOT,
942				   asp_slot) & 0xf0) >> 4;
943}
944
945/*
946 * Audio InfoFrame routines
947 */
948
949/*
950 * Enable Audio InfoFrame Transmission
951 */
952static void hdmi_start_infoframe_trans(struct hda_codec *codec,
953				       hda_nid_t pin_nid)
954{
955	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
956	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
957						AC_DIPXMIT_BEST);
958}
959
960/*
961 * Disable Audio InfoFrame Transmission
962 */
963static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
964				      hda_nid_t pin_nid)
965{
966	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
967	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
968						AC_DIPXMIT_DISABLE);
969}
970
971static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
972{
973#ifdef CONFIG_SND_DEBUG_VERBOSE
974	int i;
975	int size;
976
977	size = snd_hdmi_get_eld_size(codec, pin_nid);
978	codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
979
980	for (i = 0; i < 8; i++) {
981		size = snd_hda_codec_read(codec, pin_nid, 0,
982						AC_VERB_GET_HDMI_DIP_SIZE, i);
983		codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
984	}
985#endif
986}
987
988static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
989{
990#ifdef BE_PARANOID
991	int i, j;
992	int size;
993	int pi, bi;
994	for (i = 0; i < 8; i++) {
995		size = snd_hda_codec_read(codec, pin_nid, 0,
996						AC_VERB_GET_HDMI_DIP_SIZE, i);
997		if (size == 0)
998			continue;
999
1000		hdmi_set_dip_index(codec, pin_nid, i, 0x0);
1001		for (j = 1; j < 1000; j++) {
1002			hdmi_write_dip_byte(codec, pin_nid, 0x0);
1003			hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
1004			if (pi != i)
1005				codec_dbg(codec, "dip index %d: %d != %d\n",
1006						bi, pi, i);
1007			if (bi == 0) /* byte index wrapped around */
1008				break;
1009		}
1010		codec_dbg(codec,
1011			"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
1012			i, size, j);
1013	}
1014#endif
1015}
1016
1017static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
1018{
1019	u8 *bytes = (u8 *)hdmi_ai;
1020	u8 sum = 0;
1021	int i;
1022
1023	hdmi_ai->checksum = 0;
1024
1025	for (i = 0; i < sizeof(*hdmi_ai); i++)
1026		sum += bytes[i];
1027
1028	hdmi_ai->checksum = -sum;
1029}
1030
1031static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
1032				      hda_nid_t pin_nid,
1033				      u8 *dip, int size)
1034{
1035	int i;
1036
1037	hdmi_debug_dip_size(codec, pin_nid);
1038	hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
1039
1040	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1041	for (i = 0; i < size; i++)
1042		hdmi_write_dip_byte(codec, pin_nid, dip[i]);
1043}
1044
1045static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
1046				    u8 *dip, int size)
1047{
1048	u8 val;
1049	int i;
1050
1051	if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
1052							    != AC_DIPXMIT_BEST)
1053		return false;
1054
1055	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1056	for (i = 0; i < size; i++) {
1057		val = snd_hda_codec_read(codec, pin_nid, 0,
1058					 AC_VERB_GET_HDMI_DIP_DATA, 0);
1059		if (val != dip[i])
1060			return false;
1061	}
1062
1063	return true;
1064}
1065
1066static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
1067				     hda_nid_t pin_nid,
1068				     int ca, int active_channels,
1069				     int conn_type)
1070{
1071	union audio_infoframe ai;
1072
1073	memset(&ai, 0, sizeof(ai));
1074	if (conn_type == 0) { /* HDMI */
1075		struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
1076
1077		hdmi_ai->type		= 0x84;
1078		hdmi_ai->ver		= 0x01;
1079		hdmi_ai->len		= 0x0a;
1080		hdmi_ai->CC02_CT47	= active_channels - 1;
1081		hdmi_ai->CA		= ca;
1082		hdmi_checksum_audio_infoframe(hdmi_ai);
1083	} else if (conn_type == 1) { /* DisplayPort */
1084		struct dp_audio_infoframe *dp_ai = &ai.dp;
1085
1086		dp_ai->type		= 0x84;
1087		dp_ai->len		= 0x1b;
1088		dp_ai->ver		= 0x11 << 2;
1089		dp_ai->CC02_CT47	= active_channels - 1;
1090		dp_ai->CA		= ca;
1091	} else {
1092		codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
1093			    pin_nid);
1094		return;
1095	}
1096
1097	/*
1098	 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
1099	 * sizeof(*dp_ai) to avoid partial match/update problems when
1100	 * the user switches between HDMI/DP monitors.
1101	 */
1102	if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
1103					sizeof(ai))) {
1104		codec_dbg(codec,
1105			  "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
1106			    pin_nid,
1107			    active_channels, ca);
1108		hdmi_stop_infoframe_trans(codec, pin_nid);
1109		hdmi_fill_audio_infoframe(codec, pin_nid,
1110					    ai.bytes, sizeof(ai));
1111		hdmi_start_infoframe_trans(codec, pin_nid);
1112	}
1113}
1114
1115static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
1116				       struct hdmi_spec_per_pin *per_pin,
1117				       bool non_pcm)
1118{
1119	struct hdmi_spec *spec = codec->spec;
1120	hda_nid_t pin_nid = per_pin->pin_nid;
1121	int channels = per_pin->channels;
1122	int active_channels;
1123	struct hdmi_eld *eld;
1124	int ca, ordered_ca;
1125
1126	if (!channels)
1127		return;
1128
1129	if (is_haswell_plus(codec))
1130		snd_hda_codec_write(codec, pin_nid, 0,
1131					    AC_VERB_SET_AMP_GAIN_MUTE,
1132					    AMP_OUT_UNMUTE);
1133
1134	eld = &per_pin->sink_eld;
1135
1136	if (!non_pcm && per_pin->chmap_set)
1137		ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
1138	else
1139		ca = hdmi_channel_allocation(codec, eld, channels);
1140	if (ca < 0)
1141		ca = 0;
1142
1143	ordered_ca = get_channel_allocation_order(ca);
1144	active_channels = channel_allocations[ordered_ca].channels;
1145
1146	hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels);
1147
1148	/*
1149	 * always configure channel mapping, it may have been changed by the
1150	 * user in the meantime
1151	 */
1152	hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
1153				   channels, per_pin->chmap,
1154				   per_pin->chmap_set);
1155
1156	spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
1157				      eld->info.conn_type);
1158
1159	per_pin->non_pcm = non_pcm;
1160}
1161
1162/*
1163 * Unsolicited events
1164 */
1165
1166static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
1167
1168static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
1169{
1170	struct hdmi_spec *spec = codec->spec;
1171	int pin_idx = pin_nid_to_pin_index(codec, nid);
1172
1173	if (pin_idx < 0)
1174		return;
1175	if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
1176		snd_hda_jack_report_sync(codec);
1177}
1178
1179static void jack_callback(struct hda_codec *codec,
1180			  struct hda_jack_callback *jack)
1181{
1182	check_presence_and_report(codec, jack->nid);
1183}
1184
1185static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
1186{
1187	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1188	struct hda_jack_tbl *jack;
1189	int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
1190
1191	jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
1192	if (!jack)
1193		return;
1194	jack->jack_dirty = 1;
1195
1196	codec_dbg(codec,
1197		"HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
1198		codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
1199		!!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
1200
1201	check_presence_and_report(codec, jack->nid);
1202}
1203
1204static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
1205{
1206	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1207	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1208	int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
1209	int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
1210
1211	codec_info(codec,
1212		"HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
1213		codec->addr,
1214		tag,
1215		subtag,
1216		cp_state,
1217		cp_ready);
1218
1219	/* TODO */
1220	if (cp_state)
1221		;
1222	if (cp_ready)
1223		;
1224}
1225
1226
1227static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1228{
1229	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1230	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1231
1232	if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1233		codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
1234		return;
1235	}
1236
1237	if (subtag == 0)
1238		hdmi_intrinsic_event(codec, res);
1239	else
1240		hdmi_non_intrinsic_event(codec, res);
1241}
1242
1243static void haswell_verify_D0(struct hda_codec *codec,
1244		hda_nid_t cvt_nid, hda_nid_t nid)
1245{
1246	int pwr;
1247
1248	/* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1249	 * thus pins could only choose converter 0 for use. Make sure the
1250	 * converters are in correct power state */
1251	if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1252		snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1253
1254	if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1255		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1256				    AC_PWRST_D0);
1257		msleep(40);
1258		pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1259		pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1260		codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1261	}
1262}
1263
1264/*
1265 * Callbacks
1266 */
1267
1268/* HBR should be Non-PCM, 8 channels */
1269#define is_hbr_format(format) \
1270	((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1271
1272static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
1273			      bool hbr)
1274{
1275	int pinctl, new_pinctl;
1276
1277	if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1278		pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1279					    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1280
1281		if (pinctl < 0)
1282			return hbr ? -EINVAL : 0;
1283
1284		new_pinctl = pinctl & ~AC_PINCTL_EPT;
1285		if (hbr)
1286			new_pinctl |= AC_PINCTL_EPT_HBR;
1287		else
1288			new_pinctl |= AC_PINCTL_EPT_NATIVE;
1289
1290		codec_dbg(codec,
1291			  "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
1292			    pin_nid,
1293			    pinctl == new_pinctl ? "" : "new-",
1294			    new_pinctl);
1295
1296		if (pinctl != new_pinctl)
1297			snd_hda_codec_write(codec, pin_nid, 0,
1298					    AC_VERB_SET_PIN_WIDGET_CONTROL,
1299					    new_pinctl);
1300	} else if (hbr)
1301		return -EINVAL;
1302
1303	return 0;
1304}
1305
1306static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1307			      hda_nid_t pin_nid, u32 stream_tag, int format)
1308{
1309	struct hdmi_spec *spec = codec->spec;
1310	int err;
1311
1312	if (is_haswell_plus(codec))
1313		haswell_verify_D0(codec, cvt_nid, pin_nid);
1314
1315	err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
1316
1317	if (err) {
1318		codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
1319		return err;
1320	}
1321
1322	snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1323	return 0;
1324}
1325
1326static int hdmi_choose_cvt(struct hda_codec *codec,
1327			int pin_idx, int *cvt_id, int *mux_id)
1328{
1329	struct hdmi_spec *spec = codec->spec;
1330	struct hdmi_spec_per_pin *per_pin;
1331	struct hdmi_spec_per_cvt *per_cvt = NULL;
1332	int cvt_idx, mux_idx = 0;
1333
1334	per_pin = get_pin(spec, pin_idx);
1335
1336	/* Dynamically assign converter to stream */
1337	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1338		per_cvt = get_cvt(spec, cvt_idx);
1339
1340		/* Must not already be assigned */
1341		if (per_cvt->assigned)
1342			continue;
1343		/* Must be in pin's mux's list of converters */
1344		for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1345			if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1346				break;
1347		/* Not in mux list */
1348		if (mux_idx == per_pin->num_mux_nids)
1349			continue;
1350		break;
1351	}
1352
1353	/* No free converters */
1354	if (cvt_idx == spec->num_cvts)
1355		return -ENODEV;
1356
1357	per_pin->mux_idx = mux_idx;
1358
1359	if (cvt_id)
1360		*cvt_id = cvt_idx;
1361	if (mux_id)
1362		*mux_id = mux_idx;
1363
1364	return 0;
1365}
1366
1367/* Assure the pin select the right convetor */
1368static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1369			struct hdmi_spec_per_pin *per_pin)
1370{
1371	hda_nid_t pin_nid = per_pin->pin_nid;
1372	int mux_idx, curr;
1373
1374	mux_idx = per_pin->mux_idx;
1375	curr = snd_hda_codec_read(codec, pin_nid, 0,
1376					  AC_VERB_GET_CONNECT_SEL, 0);
1377	if (curr != mux_idx)
1378		snd_hda_codec_write_cache(codec, pin_nid, 0,
1379					    AC_VERB_SET_CONNECT_SEL,
1380					    mux_idx);
1381}
1382
1383/* Intel HDMI workaround to fix audio routing issue:
1384 * For some Intel display codecs, pins share the same connection list.
1385 * So a conveter can be selected by multiple pins and playback on any of these
1386 * pins will generate sound on the external display, because audio flows from
1387 * the same converter to the display pipeline. Also muting one pin may make
1388 * other pins have no sound output.
1389 * So this function assures that an assigned converter for a pin is not selected
1390 * by any other pins.
1391 */
1392static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1393			hda_nid_t pin_nid, int mux_idx)
1394{
1395	struct hdmi_spec *spec = codec->spec;
1396	hda_nid_t nid;
1397	int cvt_idx, curr;
1398	struct hdmi_spec_per_cvt *per_cvt;
1399
1400	/* configure all pins, including "no physical connection" ones */
1401	for_each_hda_codec_node(nid, codec) {
1402		unsigned int wid_caps = get_wcaps(codec, nid);
1403		unsigned int wid_type = get_wcaps_type(wid_caps);
1404
1405		if (wid_type != AC_WID_PIN)
1406			continue;
1407
1408		if (nid == pin_nid)
1409			continue;
1410
1411		curr = snd_hda_codec_read(codec, nid, 0,
1412					  AC_VERB_GET_CONNECT_SEL, 0);
1413		if (curr != mux_idx)
1414			continue;
1415
1416		/* choose an unassigned converter. The conveters in the
1417		 * connection list are in the same order as in the codec.
1418		 */
1419		for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1420			per_cvt = get_cvt(spec, cvt_idx);
1421			if (!per_cvt->assigned) {
1422				codec_dbg(codec,
1423					  "choose cvt %d for pin nid %d\n",
1424					cvt_idx, nid);
1425				snd_hda_codec_write_cache(codec, nid, 0,
1426					    AC_VERB_SET_CONNECT_SEL,
1427					    cvt_idx);
1428				break;
1429			}
1430		}
1431	}
1432}
1433
1434/*
1435 * HDA PCM callbacks
1436 */
1437static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1438			 struct hda_codec *codec,
1439			 struct snd_pcm_substream *substream)
1440{
1441	struct hdmi_spec *spec = codec->spec;
1442	struct snd_pcm_runtime *runtime = substream->runtime;
1443	int pin_idx, cvt_idx, mux_idx = 0;
1444	struct hdmi_spec_per_pin *per_pin;
1445	struct hdmi_eld *eld;
1446	struct hdmi_spec_per_cvt *per_cvt = NULL;
1447	int err;
1448
1449	/* Validate hinfo */
1450	pin_idx = hinfo_to_pin_index(codec, hinfo);
1451	if (snd_BUG_ON(pin_idx < 0))
1452		return -EINVAL;
1453	per_pin = get_pin(spec, pin_idx);
1454	eld = &per_pin->sink_eld;
1455
1456	err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1457	if (err < 0)
1458		return err;
1459
1460	per_cvt = get_cvt(spec, cvt_idx);
1461	/* Claim converter */
1462	per_cvt->assigned = 1;
1463	per_pin->cvt_nid = per_cvt->cvt_nid;
1464	hinfo->nid = per_cvt->cvt_nid;
1465
1466	snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1467			    AC_VERB_SET_CONNECT_SEL,
1468			    mux_idx);
1469
1470	/* configure unused pins to choose other converters */
1471	if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1472		intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1473
1474	snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1475
1476	/* Initially set the converter's capabilities */
1477	hinfo->channels_min = per_cvt->channels_min;
1478	hinfo->channels_max = per_cvt->channels_max;
1479	hinfo->rates = per_cvt->rates;
1480	hinfo->formats = per_cvt->formats;
1481	hinfo->maxbps = per_cvt->maxbps;
1482
1483	/* Restrict capabilities by ELD if this isn't disabled */
1484	if (!static_hdmi_pcm && eld->eld_valid) {
1485		snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1486		if (hinfo->channels_min > hinfo->channels_max ||
1487		    !hinfo->rates || !hinfo->formats) {
1488			per_cvt->assigned = 0;
1489			hinfo->nid = 0;
1490			snd_hda_spdif_ctls_unassign(codec, pin_idx);
1491			return -ENODEV;
1492		}
1493	}
1494
1495	/* Store the updated parameters */
1496	runtime->hw.channels_min = hinfo->channels_min;
1497	runtime->hw.channels_max = hinfo->channels_max;
1498	runtime->hw.formats = hinfo->formats;
1499	runtime->hw.rates = hinfo->rates;
1500
1501	snd_pcm_hw_constraint_step(substream->runtime, 0,
1502				   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1503	return 0;
1504}
1505
1506/*
1507 * HDA/HDMI auto parsing
1508 */
1509static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1510{
1511	struct hdmi_spec *spec = codec->spec;
1512	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1513	hda_nid_t pin_nid = per_pin->pin_nid;
1514
1515	if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1516		codec_warn(codec,
1517			   "HDMI: pin %d wcaps %#x does not support connection list\n",
1518			   pin_nid, get_wcaps(codec, pin_nid));
1519		return -EINVAL;
1520	}
1521
1522	per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1523							per_pin->mux_nids,
1524							HDA_MAX_CONNECTIONS);
1525
1526	return 0;
1527}
1528
1529/* update per_pin ELD from the given new ELD;
1530 * setup info frame and notification accordingly
1531 */
1532static void update_eld(struct hda_codec *codec,
1533		       struct hdmi_spec_per_pin *per_pin,
1534		       struct hdmi_eld *eld)
1535{
1536	struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1537	bool old_eld_valid = pin_eld->eld_valid;
1538	bool eld_changed;
1539
1540	if (eld->eld_valid)
1541		snd_hdmi_show_eld(codec, &eld->info);
1542
1543	eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1544	if (eld->eld_valid && pin_eld->eld_valid)
1545		if (pin_eld->eld_size != eld->eld_size ||
1546		    memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1547			   eld->eld_size) != 0)
1548			eld_changed = true;
1549
1550	pin_eld->monitor_present = eld->monitor_present;
1551	pin_eld->eld_valid = eld->eld_valid;
1552	pin_eld->eld_size = eld->eld_size;
1553	if (eld->eld_valid)
1554		memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
1555	pin_eld->info = eld->info;
1556
1557	/*
1558	 * Re-setup pin and infoframe. This is needed e.g. when
1559	 * - sink is first plugged-in
1560	 * - transcoder can change during stream playback on Haswell
1561	 *   and this can make HW reset converter selection on a pin.
1562	 */
1563	if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1564		if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1565			intel_verify_pin_cvt_connect(codec, per_pin);
1566			intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
1567						     per_pin->mux_idx);
1568		}
1569
1570		hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1571	}
1572
1573	if (eld_changed)
1574		snd_ctl_notify(codec->card,
1575			       SNDRV_CTL_EVENT_MASK_VALUE |
1576			       SNDRV_CTL_EVENT_MASK_INFO,
1577			       &per_pin->eld_ctl->id);
1578}
1579
1580static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1581{
1582	struct hda_jack_tbl *jack;
1583	struct hda_codec *codec = per_pin->codec;
1584	struct hdmi_spec *spec = codec->spec;
1585	struct hdmi_eld *eld = &spec->temp_eld;
1586	struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1587	hda_nid_t pin_nid = per_pin->pin_nid;
1588	/*
1589	 * Always execute a GetPinSense verb here, even when called from
1590	 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1591	 * response's PD bit is not the real PD value, but indicates that
1592	 * the real PD value changed. An older version of the HD-audio
1593	 * specification worked this way. Hence, we just ignore the data in
1594	 * the unsolicited response to avoid custom WARs.
1595	 */
1596	int present;
1597	bool ret;
1598
1599	snd_hda_power_up_pm(codec);
1600	present = snd_hda_pin_sense(codec, pin_nid);
1601
1602	mutex_lock(&per_pin->lock);
1603	pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1604	eld->monitor_present = pin_eld->monitor_present;
1605
1606	if (pin_eld->monitor_present)
1607		eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1608	else
1609		eld->eld_valid = false;
1610
1611	codec_dbg(codec,
1612		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1613		codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1614
1615	if (eld->eld_valid) {
1616		if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1617						     &eld->eld_size) < 0)
1618			eld->eld_valid = false;
1619		else {
1620			memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1621			if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1622						    eld->eld_size) < 0)
1623				eld->eld_valid = false;
1624		}
1625	}
1626
1627	if (!eld->eld_valid && repoll)
1628		schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
1629	else
1630		update_eld(codec, per_pin, eld);
1631
1632	ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1633
1634	jack = snd_hda_jack_tbl_get(codec, pin_nid);
1635	if (jack)
1636		jack->block_report = !ret;
1637
1638	mutex_unlock(&per_pin->lock);
1639	snd_hda_power_down_pm(codec);
1640	return ret;
1641}
1642
1643static void hdmi_repoll_eld(struct work_struct *work)
1644{
1645	struct hdmi_spec_per_pin *per_pin =
1646	container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1647
1648	if (per_pin->repoll_count++ > 6)
1649		per_pin->repoll_count = 0;
1650
1651	if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1652		snd_hda_jack_report_sync(per_pin->codec);
1653}
1654
1655static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1656					     hda_nid_t nid);
1657
1658static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1659{
1660	struct hdmi_spec *spec = codec->spec;
1661	unsigned int caps, config;
1662	int pin_idx;
1663	struct hdmi_spec_per_pin *per_pin;
1664	int err;
1665
1666	caps = snd_hda_query_pin_caps(codec, pin_nid);
1667	if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1668		return 0;
1669
1670	config = snd_hda_codec_get_pincfg(codec, pin_nid);
1671	if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1672		return 0;
1673
1674	if (is_haswell_plus(codec))
1675		intel_haswell_fixup_connect_list(codec, pin_nid);
1676
1677	pin_idx = spec->num_pins;
1678	per_pin = snd_array_new(&spec->pins);
1679	if (!per_pin)
1680		return -ENOMEM;
1681
1682	per_pin->pin_nid = pin_nid;
1683	per_pin->non_pcm = false;
1684
1685	err = hdmi_read_pin_conn(codec, pin_idx);
1686	if (err < 0)
1687		return err;
1688
1689	spec->num_pins++;
1690
1691	return 0;
1692}
1693
1694static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1695{
1696	struct hdmi_spec *spec = codec->spec;
1697	struct hdmi_spec_per_cvt *per_cvt;
1698	unsigned int chans;
1699	int err;
1700
1701	chans = get_wcaps(codec, cvt_nid);
1702	chans = get_wcaps_channels(chans);
1703
1704	per_cvt = snd_array_new(&spec->cvts);
1705	if (!per_cvt)
1706		return -ENOMEM;
1707
1708	per_cvt->cvt_nid = cvt_nid;
1709	per_cvt->channels_min = 2;
1710	if (chans <= 16) {
1711		per_cvt->channels_max = chans;
1712		if (chans > spec->channels_max)
1713			spec->channels_max = chans;
1714	}
1715
1716	err = snd_hda_query_supported_pcm(codec, cvt_nid,
1717					  &per_cvt->rates,
1718					  &per_cvt->formats,
1719					  &per_cvt->maxbps);
1720	if (err < 0)
1721		return err;
1722
1723	if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1724		spec->cvt_nids[spec->num_cvts] = cvt_nid;
1725	spec->num_cvts++;
1726
1727	return 0;
1728}
1729
1730static int hdmi_parse_codec(struct hda_codec *codec)
1731{
1732	hda_nid_t nid;
1733	int i, nodes;
1734
1735	nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1736	if (!nid || nodes < 0) {
1737		codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1738		return -EINVAL;
1739	}
1740
1741	for (i = 0; i < nodes; i++, nid++) {
1742		unsigned int caps;
1743		unsigned int type;
1744
1745		caps = get_wcaps(codec, nid);
1746		type = get_wcaps_type(caps);
1747
1748		if (!(caps & AC_WCAP_DIGITAL))
1749			continue;
1750
1751		switch (type) {
1752		case AC_WID_AUD_OUT:
1753			hdmi_add_cvt(codec, nid);
1754			break;
1755		case AC_WID_PIN:
1756			hdmi_add_pin(codec, nid);
1757			break;
1758		}
1759	}
1760
1761	return 0;
1762}
1763
1764/*
1765 */
1766static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1767{
1768	struct hda_spdif_out *spdif;
1769	bool non_pcm;
1770
1771	mutex_lock(&codec->spdif_mutex);
1772	spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1773	non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1774	mutex_unlock(&codec->spdif_mutex);
1775	return non_pcm;
1776}
1777
1778
1779/*
1780 * HDMI callbacks
1781 */
1782
1783static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1784					   struct hda_codec *codec,
1785					   unsigned int stream_tag,
1786					   unsigned int format,
1787					   struct snd_pcm_substream *substream)
1788{
1789	hda_nid_t cvt_nid = hinfo->nid;
1790	struct hdmi_spec *spec = codec->spec;
1791	int pin_idx = hinfo_to_pin_index(codec, hinfo);
1792	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1793	hda_nid_t pin_nid = per_pin->pin_nid;
1794	bool non_pcm;
1795	int pinctl;
1796
1797	if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1798		/* Verify pin:cvt selections to avoid silent audio after S3.
1799		 * After S3, the audio driver restores pin:cvt selections
1800		 * but this can happen before gfx is ready and such selection
1801		 * is overlooked by HW. Thus multiple pins can share a same
1802		 * default convertor and mute control will affect each other,
1803		 * which can cause a resumed audio playback become silent
1804		 * after S3.
1805		 */
1806		intel_verify_pin_cvt_connect(codec, per_pin);
1807		intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1808	}
1809
1810	non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1811	mutex_lock(&per_pin->lock);
1812	per_pin->channels = substream->runtime->channels;
1813	per_pin->setup = true;
1814
1815	hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1816	mutex_unlock(&per_pin->lock);
1817
1818	if (spec->dyn_pin_out) {
1819		pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1820					    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1821		snd_hda_codec_write(codec, pin_nid, 0,
1822				    AC_VERB_SET_PIN_WIDGET_CONTROL,
1823				    pinctl | PIN_OUT);
1824	}
1825
1826	return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1827}
1828
1829static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1830					     struct hda_codec *codec,
1831					     struct snd_pcm_substream *substream)
1832{
1833	snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1834	return 0;
1835}
1836
1837static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1838			  struct hda_codec *codec,
1839			  struct snd_pcm_substream *substream)
1840{
1841	struct hdmi_spec *spec = codec->spec;
1842	int cvt_idx, pin_idx;
1843	struct hdmi_spec_per_cvt *per_cvt;
1844	struct hdmi_spec_per_pin *per_pin;
1845	int pinctl;
1846
1847	if (hinfo->nid) {
1848		cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1849		if (snd_BUG_ON(cvt_idx < 0))
1850			return -EINVAL;
1851		per_cvt = get_cvt(spec, cvt_idx);
1852
1853		snd_BUG_ON(!per_cvt->assigned);
1854		per_cvt->assigned = 0;
1855		hinfo->nid = 0;
1856
1857		pin_idx = hinfo_to_pin_index(codec, hinfo);
1858		if (snd_BUG_ON(pin_idx < 0))
1859			return -EINVAL;
1860		per_pin = get_pin(spec, pin_idx);
1861
1862		if (spec->dyn_pin_out) {
1863			pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1864					AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1865			snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1866					    AC_VERB_SET_PIN_WIDGET_CONTROL,
1867					    pinctl & ~PIN_OUT);
1868		}
1869
1870		snd_hda_spdif_ctls_unassign(codec, pin_idx);
1871
1872		mutex_lock(&per_pin->lock);
1873		per_pin->chmap_set = false;
1874		memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1875
1876		per_pin->setup = false;
1877		per_pin->channels = 0;
1878		mutex_unlock(&per_pin->lock);
1879	}
1880
1881	return 0;
1882}
1883
1884static const struct hda_pcm_ops generic_ops = {
1885	.open = hdmi_pcm_open,
1886	.close = hdmi_pcm_close,
1887	.prepare = generic_hdmi_playback_pcm_prepare,
1888	.cleanup = generic_hdmi_playback_pcm_cleanup,
1889};
1890
1891/*
1892 * ALSA API channel-map control callbacks
1893 */
1894static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1895			       struct snd_ctl_elem_info *uinfo)
1896{
1897	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1898	struct hda_codec *codec = info->private_data;
1899	struct hdmi_spec *spec = codec->spec;
1900	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1901	uinfo->count = spec->channels_max;
1902	uinfo->value.integer.min = 0;
1903	uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1904	return 0;
1905}
1906
1907static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
1908						  int channels)
1909{
1910	/* If the speaker allocation matches the channel count, it is OK.*/
1911	if (cap->channels != channels)
1912		return -1;
1913
1914	/* all channels are remappable freely */
1915	return SNDRV_CTL_TLVT_CHMAP_VAR;
1916}
1917
1918static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
1919					unsigned int *chmap, int channels)
1920{
1921	int count = 0;
1922	int c;
1923
1924	for (c = 7; c >= 0; c--) {
1925		int spk = cap->speakers[c];
1926		if (!spk)
1927			continue;
1928
1929		chmap[count++] = spk_to_chmap(spk);
1930	}
1931
1932	WARN_ON(count != channels);
1933}
1934
1935static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1936			      unsigned int size, unsigned int __user *tlv)
1937{
1938	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1939	struct hda_codec *codec = info->private_data;
1940	struct hdmi_spec *spec = codec->spec;
1941	unsigned int __user *dst;
1942	int chs, count = 0;
1943
1944	if (size < 8)
1945		return -ENOMEM;
1946	if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1947		return -EFAULT;
1948	size -= 8;
1949	dst = tlv + 2;
1950	for (chs = 2; chs <= spec->channels_max; chs++) {
1951		int i;
1952		struct cea_channel_speaker_allocation *cap;
1953		cap = channel_allocations;
1954		for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1955			int chs_bytes = chs * 4;
1956			int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
1957			unsigned int tlv_chmap[8];
1958
1959			if (type < 0)
1960				continue;
1961			if (size < 8)
1962				return -ENOMEM;
1963			if (put_user(type, dst) ||
1964			    put_user(chs_bytes, dst + 1))
1965				return -EFAULT;
1966			dst += 2;
1967			size -= 8;
1968			count += 8;
1969			if (size < chs_bytes)
1970				return -ENOMEM;
1971			size -= chs_bytes;
1972			count += chs_bytes;
1973			spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
1974			if (copy_to_user(dst, tlv_chmap, chs_bytes))
1975				return -EFAULT;
1976			dst += chs;
1977		}
1978	}
1979	if (put_user(count, tlv + 1))
1980		return -EFAULT;
1981	return 0;
1982}
1983
1984static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1985			      struct snd_ctl_elem_value *ucontrol)
1986{
1987	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1988	struct hda_codec *codec = info->private_data;
1989	struct hdmi_spec *spec = codec->spec;
1990	int pin_idx = kcontrol->private_value;
1991	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1992	int i;
1993
1994	for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1995		ucontrol->value.integer.value[i] = per_pin->chmap[i];
1996	return 0;
1997}
1998
1999static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
2000			      struct snd_ctl_elem_value *ucontrol)
2001{
2002	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2003	struct hda_codec *codec = info->private_data;
2004	struct hdmi_spec *spec = codec->spec;
2005	int pin_idx = kcontrol->private_value;
2006	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2007	unsigned int ctl_idx;
2008	struct snd_pcm_substream *substream;
2009	unsigned char chmap[8];
2010	int i, err, ca, prepared = 0;
2011
2012	ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2013	substream = snd_pcm_chmap_substream(info, ctl_idx);
2014	if (!substream || !substream->runtime)
2015		return 0; /* just for avoiding error from alsactl restore */
2016	switch (substream->runtime->status->state) {
2017	case SNDRV_PCM_STATE_OPEN:
2018	case SNDRV_PCM_STATE_SETUP:
2019		break;
2020	case SNDRV_PCM_STATE_PREPARED:
2021		prepared = 1;
2022		break;
2023	default:
2024		return -EBUSY;
2025	}
2026	memset(chmap, 0, sizeof(chmap));
2027	for (i = 0; i < ARRAY_SIZE(chmap); i++)
2028		chmap[i] = ucontrol->value.integer.value[i];
2029	if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
2030		return 0;
2031	ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2032	if (ca < 0)
2033		return -EINVAL;
2034	if (spec->ops.chmap_validate) {
2035		err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
2036		if (err)
2037			return err;
2038	}
2039	mutex_lock(&per_pin->lock);
2040	per_pin->chmap_set = true;
2041	memcpy(per_pin->chmap, chmap, sizeof(chmap));
2042	if (prepared)
2043		hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2044	mutex_unlock(&per_pin->lock);
2045
2046	return 0;
2047}
2048
2049static int generic_hdmi_build_pcms(struct hda_codec *codec)
2050{
2051	struct hdmi_spec *spec = codec->spec;
2052	int pin_idx;
2053
2054	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2055		struct hda_pcm *info;
2056		struct hda_pcm_stream *pstr;
2057		struct hdmi_spec_per_pin *per_pin;
2058
2059		per_pin = get_pin(spec, pin_idx);
2060		info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
2061		if (!info)
2062			return -ENOMEM;
2063		spec->pcm_rec[pin_idx] = info;
2064		info->pcm_type = HDA_PCM_TYPE_HDMI;
2065		info->own_chmap = true;
2066
2067		pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2068		pstr->substreams = 1;
2069		pstr->ops = generic_ops;
2070		/* other pstr fields are set in open */
2071	}
2072
2073	return 0;
2074}
2075
2076static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
2077{
2078	char hdmi_str[32] = "HDMI/DP";
2079	struct hdmi_spec *spec = codec->spec;
2080	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2081	int pcmdev = get_pcm_rec(spec, pin_idx)->device;
2082
2083	if (pcmdev > 0)
2084		sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2085	if (!is_jack_detectable(codec, per_pin->pin_nid))
2086		strncat(hdmi_str, " Phantom",
2087			sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2088
2089	return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
2090}
2091
2092static int generic_hdmi_build_controls(struct hda_codec *codec)
2093{
2094	struct hdmi_spec *spec = codec->spec;
2095	int err;
2096	int pin_idx;
2097
2098	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2099		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2100
2101		err = generic_hdmi_build_jack(codec, pin_idx);
2102		if (err < 0)
2103			return err;
2104
2105		err = snd_hda_create_dig_out_ctls(codec,
2106						  per_pin->pin_nid,
2107						  per_pin->mux_nids[0],
2108						  HDA_PCM_TYPE_HDMI);
2109		if (err < 0)
2110			return err;
2111		snd_hda_spdif_ctls_unassign(codec, pin_idx);
2112
2113		/* add control for ELD Bytes */
2114		err = hdmi_create_eld_ctl(codec, pin_idx,
2115					  get_pcm_rec(spec, pin_idx)->device);
2116
2117		if (err < 0)
2118			return err;
2119
2120		hdmi_present_sense(per_pin, 0);
2121	}
2122
2123	/* add channel maps */
2124	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2125		struct hda_pcm *pcm;
2126		struct snd_pcm_chmap *chmap;
2127		struct snd_kcontrol *kctl;
2128		int i;
2129
2130		pcm = spec->pcm_rec[pin_idx];
2131		if (!pcm || !pcm->pcm)
2132			break;
2133		err = snd_pcm_add_chmap_ctls(pcm->pcm,
2134					     SNDRV_PCM_STREAM_PLAYBACK,
2135					     NULL, 0, pin_idx, &chmap);
2136		if (err < 0)
2137			return err;
2138		/* override handlers */
2139		chmap->private_data = codec;
2140		kctl = chmap->kctl;
2141		for (i = 0; i < kctl->count; i++)
2142			kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2143		kctl->info = hdmi_chmap_ctl_info;
2144		kctl->get = hdmi_chmap_ctl_get;
2145		kctl->put = hdmi_chmap_ctl_put;
2146		kctl->tlv.c = hdmi_chmap_ctl_tlv;
2147	}
2148
2149	return 0;
2150}
2151
2152static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2153{
2154	struct hdmi_spec *spec = codec->spec;
2155	int pin_idx;
2156
2157	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2158		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2159
2160		per_pin->codec = codec;
2161		mutex_init(&per_pin->lock);
2162		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2163		eld_proc_new(per_pin, pin_idx);
2164	}
2165	return 0;
2166}
2167
2168static int generic_hdmi_init(struct hda_codec *codec)
2169{
2170	struct hdmi_spec *spec = codec->spec;
2171	int pin_idx;
2172
2173	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2174		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2175		hda_nid_t pin_nid = per_pin->pin_nid;
2176
2177		hdmi_init_pin(codec, pin_nid);
2178		snd_hda_jack_detect_enable_callback(codec, pin_nid,
2179			codec->jackpoll_interval > 0 ? jack_callback : NULL);
2180	}
2181	return 0;
2182}
2183
2184static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2185{
2186	snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2187	snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2188}
2189
2190static void hdmi_array_free(struct hdmi_spec *spec)
2191{
2192	snd_array_free(&spec->pins);
2193	snd_array_free(&spec->cvts);
2194}
2195
2196static void generic_hdmi_free(struct hda_codec *codec)
2197{
2198	struct hdmi_spec *spec = codec->spec;
2199	int pin_idx;
2200
2201	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2202		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2203
2204		cancel_delayed_work_sync(&per_pin->work);
2205		eld_proc_free(per_pin);
2206	}
2207
2208	hdmi_array_free(spec);
2209	kfree(spec);
2210}
2211
2212#ifdef CONFIG_PM
2213static int generic_hdmi_resume(struct hda_codec *codec)
2214{
2215	struct hdmi_spec *spec = codec->spec;
2216	int pin_idx;
2217
2218	codec->patch_ops.init(codec);
2219	regcache_sync(codec->core.regmap);
2220
2221	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2222		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2223		hdmi_present_sense(per_pin, 1);
2224	}
2225	return 0;
2226}
2227#endif
2228
2229static const struct hda_codec_ops generic_hdmi_patch_ops = {
2230	.init			= generic_hdmi_init,
2231	.free			= generic_hdmi_free,
2232	.build_pcms		= generic_hdmi_build_pcms,
2233	.build_controls		= generic_hdmi_build_controls,
2234	.unsol_event		= hdmi_unsol_event,
2235#ifdef CONFIG_PM
2236	.resume			= generic_hdmi_resume,
2237#endif
2238};
2239
2240static const struct hdmi_ops generic_standard_hdmi_ops = {
2241	.pin_get_eld				= snd_hdmi_get_eld,
2242	.pin_get_slot_channel			= hdmi_pin_get_slot_channel,
2243	.pin_set_slot_channel			= hdmi_pin_set_slot_channel,
2244	.pin_setup_infoframe			= hdmi_pin_setup_infoframe,
2245	.pin_hbr_setup				= hdmi_pin_hbr_setup,
2246	.setup_stream				= hdmi_setup_stream,
2247	.chmap_cea_alloc_validate_get_type	= hdmi_chmap_cea_alloc_validate_get_type,
2248	.cea_alloc_to_tlv_chmap			= hdmi_cea_alloc_to_tlv_chmap,
2249};
2250
2251
2252static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2253					     hda_nid_t nid)
2254{
2255	struct hdmi_spec *spec = codec->spec;
2256	hda_nid_t conns[4];
2257	int nconns;
2258
2259	nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2260	if (nconns == spec->num_cvts &&
2261	    !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2262		return;
2263
2264	/* override pins connection list */
2265	codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2266	snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2267}
2268
2269#define INTEL_VENDOR_NID 0x08
2270#define INTEL_GET_VENDOR_VERB 0xf81
2271#define INTEL_SET_VENDOR_VERB 0x781
2272#define INTEL_EN_DP12			0x02 /* enable DP 1.2 features */
2273#define INTEL_EN_ALL_PIN_CVTS	0x01 /* enable 2nd & 3rd pins and convertors */
2274
2275static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2276					  bool update_tree)
2277{
2278	unsigned int vendor_param;
2279
2280	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2281				INTEL_GET_VENDOR_VERB, 0);
2282	if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2283		return;
2284
2285	vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2286	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2287				INTEL_SET_VENDOR_VERB, vendor_param);
2288	if (vendor_param == -1)
2289		return;
2290
2291	if (update_tree)
2292		snd_hda_codec_update_widgets(codec);
2293}
2294
2295static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2296{
2297	unsigned int vendor_param;
2298
2299	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2300				INTEL_GET_VENDOR_VERB, 0);
2301	if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2302		return;
2303
2304	/* enable DP1.2 mode */
2305	vendor_param |= INTEL_EN_DP12;
2306	snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2307	snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2308				INTEL_SET_VENDOR_VERB, vendor_param);
2309}
2310
2311/* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2312 * Otherwise you may get severe h/w communication errors.
2313 */
2314static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2315				unsigned int power_state)
2316{
2317	if (power_state == AC_PWRST_D0) {
2318		intel_haswell_enable_all_pins(codec, false);
2319		intel_haswell_fixup_enable_dp12(codec);
2320	}
2321
2322	snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2323	snd_hda_codec_set_power_to_all(codec, fg, power_state);
2324}
2325
2326static int patch_generic_hdmi(struct hda_codec *codec)
2327{
2328	struct hdmi_spec *spec;
2329
2330	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2331	if (spec == NULL)
2332		return -ENOMEM;
2333
2334	spec->ops = generic_standard_hdmi_ops;
2335	codec->spec = spec;
2336	hdmi_array_init(spec, 4);
2337
2338	if (is_haswell_plus(codec)) {
2339		intel_haswell_enable_all_pins(codec, true);
2340		intel_haswell_fixup_enable_dp12(codec);
2341	}
2342
2343	if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2344		codec->depop_delay = 0;
2345
2346	if (hdmi_parse_codec(codec) < 0) {
2347		codec->spec = NULL;
2348		kfree(spec);
2349		return -EINVAL;
2350	}
2351	codec->patch_ops = generic_hdmi_patch_ops;
2352	if (is_haswell_plus(codec)) {
2353		codec->patch_ops.set_power_state = haswell_set_power_state;
2354		codec->dp_mst = true;
2355	}
2356
2357	generic_hdmi_init_per_pins(codec);
2358
2359	init_channel_allocations();
2360
2361	return 0;
2362}
2363
2364/*
2365 * Shared non-generic implementations
2366 */
2367
2368static int simple_playback_build_pcms(struct hda_codec *codec)
2369{
2370	struct hdmi_spec *spec = codec->spec;
2371	struct hda_pcm *info;
2372	unsigned int chans;
2373	struct hda_pcm_stream *pstr;
2374	struct hdmi_spec_per_cvt *per_cvt;
2375
2376	per_cvt = get_cvt(spec, 0);
2377	chans = get_wcaps(codec, per_cvt->cvt_nid);
2378	chans = get_wcaps_channels(chans);
2379
2380	info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2381	if (!info)
2382		return -ENOMEM;
2383	spec->pcm_rec[0] = info;
2384	info->pcm_type = HDA_PCM_TYPE_HDMI;
2385	pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2386	*pstr = spec->pcm_playback;
2387	pstr->nid = per_cvt->cvt_nid;
2388	if (pstr->channels_max <= 2 && chans && chans <= 16)
2389		pstr->channels_max = chans;
2390
2391	return 0;
2392}
2393
2394/* unsolicited event for jack sensing */
2395static void simple_hdmi_unsol_event(struct hda_codec *codec,
2396				    unsigned int res)
2397{
2398	snd_hda_jack_set_dirty_all(codec);
2399	snd_hda_jack_report_sync(codec);
2400}
2401
2402/* generic_hdmi_build_jack can be used for simple_hdmi, too,
2403 * as long as spec->pins[] is set correctly
2404 */
2405#define simple_hdmi_build_jack	generic_hdmi_build_jack
2406
2407static int simple_playback_build_controls(struct hda_codec *codec)
2408{
2409	struct hdmi_spec *spec = codec->spec;
2410	struct hdmi_spec_per_cvt *per_cvt;
2411	int err;
2412
2413	per_cvt = get_cvt(spec, 0);
2414	err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2415					  per_cvt->cvt_nid,
2416					  HDA_PCM_TYPE_HDMI);
2417	if (err < 0)
2418		return err;
2419	return simple_hdmi_build_jack(codec, 0);
2420}
2421
2422static int simple_playback_init(struct hda_codec *codec)
2423{
2424	struct hdmi_spec *spec = codec->spec;
2425	struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2426	hda_nid_t pin = per_pin->pin_nid;
2427
2428	snd_hda_codec_write(codec, pin, 0,
2429			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2430	/* some codecs require to unmute the pin */
2431	if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2432		snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2433				    AMP_OUT_UNMUTE);
2434	snd_hda_jack_detect_enable(codec, pin);
2435	return 0;
2436}
2437
2438static void simple_playback_free(struct hda_codec *codec)
2439{
2440	struct hdmi_spec *spec = codec->spec;
2441
2442	hdmi_array_free(spec);
2443	kfree(spec);
2444}
2445
2446/*
2447 * Nvidia specific implementations
2448 */
2449
2450#define Nv_VERB_SET_Channel_Allocation          0xF79
2451#define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2452#define Nv_VERB_SET_Audio_Protection_On         0xF98
2453#define Nv_VERB_SET_Audio_Protection_Off        0xF99
2454
2455#define nvhdmi_master_con_nid_7x	0x04
2456#define nvhdmi_master_pin_nid_7x	0x05
2457
2458static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2459	/*front, rear, clfe, rear_surr */
2460	0x6, 0x8, 0xa, 0xc,
2461};
2462
2463static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2464	/* set audio protect on */
2465	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2466	/* enable digital output on pin widget */
2467	{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2468	{} /* terminator */
2469};
2470
2471static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2472	/* set audio protect on */
2473	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2474	/* enable digital output on pin widget */
2475	{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2476	{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2477	{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2478	{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2479	{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2480	{} /* terminator */
2481};
2482
2483#ifdef LIMITED_RATE_FMT_SUPPORT
2484/* support only the safe format and rate */
2485#define SUPPORTED_RATES		SNDRV_PCM_RATE_48000
2486#define SUPPORTED_MAXBPS	16
2487#define SUPPORTED_FORMATS	SNDRV_PCM_FMTBIT_S16_LE
2488#else
2489/* support all rates and formats */
2490#define SUPPORTED_RATES \
2491	(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2492	SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2493	 SNDRV_PCM_RATE_192000)
2494#define SUPPORTED_MAXBPS	24
2495#define SUPPORTED_FORMATS \
2496	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2497#endif
2498
2499static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2500{
2501	snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2502	return 0;
2503}
2504
2505static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2506{
2507	snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2508	return 0;
2509}
2510
2511static unsigned int channels_2_6_8[] = {
2512	2, 6, 8
2513};
2514
2515static unsigned int channels_2_8[] = {
2516	2, 8
2517};
2518
2519static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2520	.count = ARRAY_SIZE(channels_2_6_8),
2521	.list = channels_2_6_8,
2522	.mask = 0,
2523};
2524
2525static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2526	.count = ARRAY_SIZE(channels_2_8),
2527	.list = channels_2_8,
2528	.mask = 0,
2529};
2530
2531static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2532				    struct hda_codec *codec,
2533				    struct snd_pcm_substream *substream)
2534{
2535	struct hdmi_spec *spec = codec->spec;
2536	struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2537
2538	switch (codec->preset->id) {
2539	case 0x10de0002:
2540	case 0x10de0003:
2541	case 0x10de0005:
2542	case 0x10de0006:
2543		hw_constraints_channels = &hw_constraints_2_8_channels;
2544		break;
2545	case 0x10de0007:
2546		hw_constraints_channels = &hw_constraints_2_6_8_channels;
2547		break;
2548	default:
2549		break;
2550	}
2551
2552	if (hw_constraints_channels != NULL) {
2553		snd_pcm_hw_constraint_list(substream->runtime, 0,
2554				SNDRV_PCM_HW_PARAM_CHANNELS,
2555				hw_constraints_channels);
2556	} else {
2557		snd_pcm_hw_constraint_step(substream->runtime, 0,
2558					   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2559	}
2560
2561	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2562}
2563
2564static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2565				     struct hda_codec *codec,
2566				     struct snd_pcm_substream *substream)
2567{
2568	struct hdmi_spec *spec = codec->spec;
2569	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2570}
2571
2572static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2573				       struct hda_codec *codec,
2574				       unsigned int stream_tag,
2575				       unsigned int format,
2576				       struct snd_pcm_substream *substream)
2577{
2578	struct hdmi_spec *spec = codec->spec;
2579	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2580					     stream_tag, format, substream);
2581}
2582
2583static const struct hda_pcm_stream simple_pcm_playback = {
2584	.substreams = 1,
2585	.channels_min = 2,
2586	.channels_max = 2,
2587	.ops = {
2588		.open = simple_playback_pcm_open,
2589		.close = simple_playback_pcm_close,
2590		.prepare = simple_playback_pcm_prepare
2591	},
2592};
2593
2594static const struct hda_codec_ops simple_hdmi_patch_ops = {
2595	.build_controls = simple_playback_build_controls,
2596	.build_pcms = simple_playback_build_pcms,
2597	.init = simple_playback_init,
2598	.free = simple_playback_free,
2599	.unsol_event = simple_hdmi_unsol_event,
2600};
2601
2602static int patch_simple_hdmi(struct hda_codec *codec,
2603			     hda_nid_t cvt_nid, hda_nid_t pin_nid)
2604{
2605	struct hdmi_spec *spec;
2606	struct hdmi_spec_per_cvt *per_cvt;
2607	struct hdmi_spec_per_pin *per_pin;
2608
2609	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2610	if (!spec)
2611		return -ENOMEM;
2612
2613	codec->spec = spec;
2614	hdmi_array_init(spec, 1);
2615
2616	spec->multiout.num_dacs = 0;  /* no analog */
2617	spec->multiout.max_channels = 2;
2618	spec->multiout.dig_out_nid = cvt_nid;
2619	spec->num_cvts = 1;
2620	spec->num_pins = 1;
2621	per_pin = snd_array_new(&spec->pins);
2622	per_cvt = snd_array_new(&spec->cvts);
2623	if (!per_pin || !per_cvt) {
2624		simple_playback_free(codec);
2625		return -ENOMEM;
2626	}
2627	per_cvt->cvt_nid = cvt_nid;
2628	per_pin->pin_nid = pin_nid;
2629	spec->pcm_playback = simple_pcm_playback;
2630
2631	codec->patch_ops = simple_hdmi_patch_ops;
2632
2633	return 0;
2634}
2635
2636static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2637						    int channels)
2638{
2639	unsigned int chanmask;
2640	int chan = channels ? (channels - 1) : 1;
2641
2642	switch (channels) {
2643	default:
2644	case 0:
2645	case 2:
2646		chanmask = 0x00;
2647		break;
2648	case 4:
2649		chanmask = 0x08;
2650		break;
2651	case 6:
2652		chanmask = 0x0b;
2653		break;
2654	case 8:
2655		chanmask = 0x13;
2656		break;
2657	}
2658
2659	/* Set the audio infoframe channel allocation and checksum fields.  The
2660	 * channel count is computed implicitly by the hardware. */
2661	snd_hda_codec_write(codec, 0x1, 0,
2662			Nv_VERB_SET_Channel_Allocation, chanmask);
2663
2664	snd_hda_codec_write(codec, 0x1, 0,
2665			Nv_VERB_SET_Info_Frame_Checksum,
2666			(0x71 - chan - chanmask));
2667}
2668
2669static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2670				   struct hda_codec *codec,
2671				   struct snd_pcm_substream *substream)
2672{
2673	struct hdmi_spec *spec = codec->spec;
2674	int i;
2675
2676	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2677			0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2678	for (i = 0; i < 4; i++) {
2679		/* set the stream id */
2680		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2681				AC_VERB_SET_CHANNEL_STREAMID, 0);
2682		/* set the stream format */
2683		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2684				AC_VERB_SET_STREAM_FORMAT, 0);
2685	}
2686
2687	/* The audio hardware sends a channel count of 0x7 (8ch) when all the
2688	 * streams are disabled. */
2689	nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2690
2691	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2692}
2693
2694static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2695				     struct hda_codec *codec,
2696				     unsigned int stream_tag,
2697				     unsigned int format,
2698				     struct snd_pcm_substream *substream)
2699{
2700	int chs;
2701	unsigned int dataDCC2, channel_id;
2702	int i;
2703	struct hdmi_spec *spec = codec->spec;
2704	struct hda_spdif_out *spdif;
2705	struct hdmi_spec_per_cvt *per_cvt;
2706
2707	mutex_lock(&codec->spdif_mutex);
2708	per_cvt = get_cvt(spec, 0);
2709	spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2710
2711	chs = substream->runtime->channels;
2712
2713	dataDCC2 = 0x2;
2714
2715	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2716	if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2717		snd_hda_codec_write(codec,
2718				nvhdmi_master_con_nid_7x,
2719				0,
2720				AC_VERB_SET_DIGI_CONVERT_1,
2721				spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2722
2723	/* set the stream id */
2724	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2725			AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2726
2727	/* set the stream format */
2728	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2729			AC_VERB_SET_STREAM_FORMAT, format);
2730
2731	/* turn on again (if needed) */
2732	/* enable and set the channel status audio/data flag */
2733	if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2734		snd_hda_codec_write(codec,
2735				nvhdmi_master_con_nid_7x,
2736				0,
2737				AC_VERB_SET_DIGI_CONVERT_1,
2738				spdif->ctls & 0xff);
2739		snd_hda_codec_write(codec,
2740				nvhdmi_master_con_nid_7x,
2741				0,
2742				AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2743	}
2744
2745	for (i = 0; i < 4; i++) {
2746		if (chs == 2)
2747			channel_id = 0;
2748		else
2749			channel_id = i * 2;
2750
2751		/* turn off SPDIF once;
2752		 *otherwise the IEC958 bits won't be updated
2753		 */
2754		if (codec->spdif_status_reset &&
2755		(spdif->ctls & AC_DIG1_ENABLE))
2756			snd_hda_codec_write(codec,
2757				nvhdmi_con_nids_7x[i],
2758				0,
2759				AC_VERB_SET_DIGI_CONVERT_1,
2760				spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2761		/* set the stream id */
2762		snd_hda_codec_write(codec,
2763				nvhdmi_con_nids_7x[i],
2764				0,
2765				AC_VERB_SET_CHANNEL_STREAMID,
2766				(stream_tag << 4) | channel_id);
2767		/* set the stream format */
2768		snd_hda_codec_write(codec,
2769				nvhdmi_con_nids_7x[i],
2770				0,
2771				AC_VERB_SET_STREAM_FORMAT,
2772				format);
2773		/* turn on again (if needed) */
2774		/* enable and set the channel status audio/data flag */
2775		if (codec->spdif_status_reset &&
2776		(spdif->ctls & AC_DIG1_ENABLE)) {
2777			snd_hda_codec_write(codec,
2778					nvhdmi_con_nids_7x[i],
2779					0,
2780					AC_VERB_SET_DIGI_CONVERT_1,
2781					spdif->ctls & 0xff);
2782			snd_hda_codec_write(codec,
2783					nvhdmi_con_nids_7x[i],
2784					0,
2785					AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2786		}
2787	}
2788
2789	nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2790
2791	mutex_unlock(&codec->spdif_mutex);
2792	return 0;
2793}
2794
2795static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2796	.substreams = 1,
2797	.channels_min = 2,
2798	.channels_max = 8,
2799	.nid = nvhdmi_master_con_nid_7x,
2800	.rates = SUPPORTED_RATES,
2801	.maxbps = SUPPORTED_MAXBPS,
2802	.formats = SUPPORTED_FORMATS,
2803	.ops = {
2804		.open = simple_playback_pcm_open,
2805		.close = nvhdmi_8ch_7x_pcm_close,
2806		.prepare = nvhdmi_8ch_7x_pcm_prepare
2807	},
2808};
2809
2810static int patch_nvhdmi_2ch(struct hda_codec *codec)
2811{
2812	struct hdmi_spec *spec;
2813	int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2814				    nvhdmi_master_pin_nid_7x);
2815	if (err < 0)
2816		return err;
2817
2818	codec->patch_ops.init = nvhdmi_7x_init_2ch;
2819	/* override the PCM rates, etc, as the codec doesn't give full list */
2820	spec = codec->spec;
2821	spec->pcm_playback.rates = SUPPORTED_RATES;
2822	spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2823	spec->pcm_playback.formats = SUPPORTED_FORMATS;
2824	return 0;
2825}
2826
2827static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2828{
2829	struct hdmi_spec *spec = codec->spec;
2830	int err = simple_playback_build_pcms(codec);
2831	if (!err) {
2832		struct hda_pcm *info = get_pcm_rec(spec, 0);
2833		info->own_chmap = true;
2834	}
2835	return err;
2836}
2837
2838static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2839{
2840	struct hdmi_spec *spec = codec->spec;
2841	struct hda_pcm *info;
2842	struct snd_pcm_chmap *chmap;
2843	int err;
2844
2845	err = simple_playback_build_controls(codec);
2846	if (err < 0)
2847		return err;
2848
2849	/* add channel maps */
2850	info = get_pcm_rec(spec, 0);
2851	err = snd_pcm_add_chmap_ctls(info->pcm,
2852				     SNDRV_PCM_STREAM_PLAYBACK,
2853				     snd_pcm_alt_chmaps, 8, 0, &chmap);
2854	if (err < 0)
2855		return err;
2856	switch (codec->preset->id) {
2857	case 0x10de0002:
2858	case 0x10de0003:
2859	case 0x10de0005:
2860	case 0x10de0006:
2861		chmap->channel_mask = (1U << 2) | (1U << 8);
2862		break;
2863	case 0x10de0007:
2864		chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2865	}
2866	return 0;
2867}
2868
2869static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2870{
2871	struct hdmi_spec *spec;
2872	int err = patch_nvhdmi_2ch(codec);
2873	if (err < 0)
2874		return err;
2875	spec = codec->spec;
2876	spec->multiout.max_channels = 8;
2877	spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2878	codec->patch_ops.init = nvhdmi_7x_init_8ch;
2879	codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2880	codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2881
2882	/* Initialize the audio infoframe channel mask and checksum to something
2883	 * valid */
2884	nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2885
2886	return 0;
2887}
2888
2889/*
2890 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2891 * - 0x10de0015
2892 * - 0x10de0040
2893 */
2894static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
2895						    int channels)
2896{
2897	if (cap->ca_index == 0x00 && channels == 2)
2898		return SNDRV_CTL_TLVT_CHMAP_FIXED;
2899
2900	return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
2901}
2902
2903static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
2904{
2905	if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2906		return -EINVAL;
2907
2908	return 0;
2909}
2910
2911static int patch_nvhdmi(struct hda_codec *codec)
2912{
2913	struct hdmi_spec *spec;
2914	int err;
2915
2916	err = patch_generic_hdmi(codec);
2917	if (err)
2918		return err;
2919
2920	spec = codec->spec;
2921	spec->dyn_pin_out = true;
2922
2923	spec->ops.chmap_cea_alloc_validate_get_type =
2924		nvhdmi_chmap_cea_alloc_validate_get_type;
2925	spec->ops.chmap_validate = nvhdmi_chmap_validate;
2926
2927	return 0;
2928}
2929
2930/*
2931 * ATI/AMD-specific implementations
2932 */
2933
2934#define is_amdhdmi_rev3_or_later(codec) \
2935	((codec)->core.vendor_id == 0x1002aa01 && \
2936	 ((codec)->core.revision_id & 0xff00) >= 0x0300)
2937#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
2938
2939/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
2940#define ATI_VERB_SET_CHANNEL_ALLOCATION	0x771
2941#define ATI_VERB_SET_DOWNMIX_INFO	0x772
2942#define ATI_VERB_SET_MULTICHANNEL_01	0x777
2943#define ATI_VERB_SET_MULTICHANNEL_23	0x778
2944#define ATI_VERB_SET_MULTICHANNEL_45	0x779
2945#define ATI_VERB_SET_MULTICHANNEL_67	0x77a
2946#define ATI_VERB_SET_HBR_CONTROL	0x77c
2947#define ATI_VERB_SET_MULTICHANNEL_1	0x785
2948#define ATI_VERB_SET_MULTICHANNEL_3	0x786
2949#define ATI_VERB_SET_MULTICHANNEL_5	0x787
2950#define ATI_VERB_SET_MULTICHANNEL_7	0x788
2951#define ATI_VERB_SET_MULTICHANNEL_MODE	0x789
2952#define ATI_VERB_GET_CHANNEL_ALLOCATION	0xf71
2953#define ATI_VERB_GET_DOWNMIX_INFO	0xf72
2954#define ATI_VERB_GET_MULTICHANNEL_01	0xf77
2955#define ATI_VERB_GET_MULTICHANNEL_23	0xf78
2956#define ATI_VERB_GET_MULTICHANNEL_45	0xf79
2957#define ATI_VERB_GET_MULTICHANNEL_67	0xf7a
2958#define ATI_VERB_GET_HBR_CONTROL	0xf7c
2959#define ATI_VERB_GET_MULTICHANNEL_1	0xf85
2960#define ATI_VERB_GET_MULTICHANNEL_3	0xf86
2961#define ATI_VERB_GET_MULTICHANNEL_5	0xf87
2962#define ATI_VERB_GET_MULTICHANNEL_7	0xf88
2963#define ATI_VERB_GET_MULTICHANNEL_MODE	0xf89
2964
2965/* AMD specific HDA cvt verbs */
2966#define ATI_VERB_SET_RAMP_RATE		0x770
2967#define ATI_VERB_GET_RAMP_RATE		0xf70
2968
2969#define ATI_OUT_ENABLE 0x1
2970
2971#define ATI_MULTICHANNEL_MODE_PAIRED	0
2972#define ATI_MULTICHANNEL_MODE_SINGLE	1
2973
2974#define ATI_HBR_CAPABLE 0x01
2975#define ATI_HBR_ENABLE 0x10
2976
2977static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
2978			   unsigned char *buf, int *eld_size)
2979{
2980	/* call hda_eld.c ATI/AMD-specific function */
2981	return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
2982				    is_amdhdmi_rev3_or_later(codec));
2983}
2984
2985static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
2986					int active_channels, int conn_type)
2987{
2988	snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
2989}
2990
2991static int atihdmi_paired_swap_fc_lfe(int pos)
2992{
2993	/*
2994	 * ATI/AMD have automatic FC/LFE swap built-in
2995	 * when in pairwise mapping mode.
2996	 */
2997
2998	switch (pos) {
2999		/* see channel_allocations[].speakers[] */
3000		case 2: return 3;
3001		case 3: return 2;
3002		default: break;
3003	}
3004
3005	return pos;
3006}
3007
3008static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
3009{
3010	struct cea_channel_speaker_allocation *cap;
3011	int i, j;
3012
3013	/* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3014
3015	cap = &channel_allocations[get_channel_allocation_order(ca)];
3016	for (i = 0; i < chs; ++i) {
3017		int mask = to_spk_mask(map[i]);
3018		bool ok = false;
3019		bool companion_ok = false;
3020
3021		if (!mask)
3022			continue;
3023
3024		for (j = 0 + i % 2; j < 8; j += 2) {
3025			int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3026			if (cap->speakers[chan_idx] == mask) {
3027				/* channel is in a supported position */
3028				ok = true;
3029
3030				if (i % 2 == 0 && i + 1 < chs) {
3031					/* even channel, check the odd companion */
3032					int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3033					int comp_mask_req = to_spk_mask(map[i+1]);
3034					int comp_mask_act = cap->speakers[comp_chan_idx];
3035
3036					if (comp_mask_req == comp_mask_act)
3037						companion_ok = true;
3038					else
3039						return -EINVAL;
3040				}
3041				break;
3042			}
3043		}
3044
3045		if (!ok)
3046			return -EINVAL;
3047
3048		if (companion_ok)
3049			i++; /* companion channel already checked */
3050	}
3051
3052	return 0;
3053}
3054
3055static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3056					int hdmi_slot, int stream_channel)
3057{
3058	int verb;
3059	int ati_channel_setup = 0;
3060
3061	if (hdmi_slot > 7)
3062		return -EINVAL;
3063
3064	if (!has_amd_full_remap_support(codec)) {
3065		hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3066
3067		/* In case this is an odd slot but without stream channel, do not
3068		 * disable the slot since the corresponding even slot could have a
3069		 * channel. In case neither have a channel, the slot pair will be
3070		 * disabled when this function is called for the even slot. */
3071		if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3072			return 0;
3073
3074		hdmi_slot -= hdmi_slot % 2;
3075
3076		if (stream_channel != 0xf)
3077			stream_channel -= stream_channel % 2;
3078	}
3079
3080	verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3081
3082	/* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3083
3084	if (stream_channel != 0xf)
3085		ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3086
3087	return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3088}
3089
3090static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3091					int asp_slot)
3092{
3093	bool was_odd = false;
3094	int ati_asp_slot = asp_slot;
3095	int verb;
3096	int ati_channel_setup;
3097
3098	if (asp_slot > 7)
3099		return -EINVAL;
3100
3101	if (!has_amd_full_remap_support(codec)) {
3102		ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3103		if (ati_asp_slot % 2 != 0) {
3104			ati_asp_slot -= 1;
3105			was_odd = true;
3106		}
3107	}
3108
3109	verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3110
3111	ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3112
3113	if (!(ati_channel_setup & ATI_OUT_ENABLE))
3114		return 0xf;
3115
3116	return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3117}
3118
3119static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
3120							    int channels)
3121{
3122	int c;
3123
3124	/*
3125	 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3126	 * we need to take that into account (a single channel may take 2
3127	 * channel slots if we need to carry a silent channel next to it).
3128	 * On Rev3+ AMD codecs this function is not used.
3129	 */
3130	int chanpairs = 0;
3131
3132	/* We only produce even-numbered channel count TLVs */
3133	if ((channels % 2) != 0)
3134		return -1;
3135
3136	for (c = 0; c < 7; c += 2) {
3137		if (cap->speakers[c] || cap->speakers[c+1])
3138			chanpairs++;
3139	}
3140
3141	if (chanpairs * 2 != channels)
3142		return -1;
3143
3144	return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3145}
3146
3147static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
3148						  unsigned int *chmap, int channels)
3149{
3150	/* produce paired maps for pre-rev3 ATI/AMD codecs */
3151	int count = 0;
3152	int c;
3153
3154	for (c = 7; c >= 0; c--) {
3155		int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3156		int spk = cap->speakers[chan];
3157		if (!spk) {
3158			/* add N/A channel if the companion channel is occupied */
3159			if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3160				chmap[count++] = SNDRV_CHMAP_NA;
3161
3162			continue;
3163		}
3164
3165		chmap[count++] = spk_to_chmap(spk);
3166	}
3167
3168	WARN_ON(count != channels);
3169}
3170
3171static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3172				 bool hbr)
3173{
3174	int hbr_ctl, hbr_ctl_new;
3175
3176	hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3177	if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3178		if (hbr)
3179			hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3180		else
3181			hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3182
3183		codec_dbg(codec,
3184			  "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3185				pin_nid,
3186				hbr_ctl == hbr_ctl_new ? "" : "new-",
3187				hbr_ctl_new);
3188
3189		if (hbr_ctl != hbr_ctl_new)
3190			snd_hda_codec_write(codec, pin_nid, 0,
3191						ATI_VERB_SET_HBR_CONTROL,
3192						hbr_ctl_new);
3193
3194	} else if (hbr)
3195		return -EINVAL;
3196
3197	return 0;
3198}
3199
3200static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3201				hda_nid_t pin_nid, u32 stream_tag, int format)
3202{
3203
3204	if (is_amdhdmi_rev3_or_later(codec)) {
3205		int ramp_rate = 180; /* default as per AMD spec */
3206		/* disable ramp-up/down for non-pcm as per AMD spec */
3207		if (format & AC_FMT_TYPE_NON_PCM)
3208			ramp_rate = 0;
3209
3210		snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3211	}
3212
3213	return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3214}
3215
3216
3217static int atihdmi_init(struct hda_codec *codec)
3218{
3219	struct hdmi_spec *spec = codec->spec;
3220	int pin_idx, err;
3221
3222	err = generic_hdmi_init(codec);
3223
3224	if (err)
3225		return err;
3226
3227	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3228		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3229
3230		/* make sure downmix information in infoframe is zero */
3231		snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3232
3233		/* enable channel-wise remap mode if supported */
3234		if (has_amd_full_remap_support(codec))
3235			snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3236					    ATI_VERB_SET_MULTICHANNEL_MODE,
3237					    ATI_MULTICHANNEL_MODE_SINGLE);
3238	}
3239
3240	return 0;
3241}
3242
3243static int patch_atihdmi(struct hda_codec *codec)
3244{
3245	struct hdmi_spec *spec;
3246	struct hdmi_spec_per_cvt *per_cvt;
3247	int err, cvt_idx;
3248
3249	err = patch_generic_hdmi(codec);
3250
3251	if (err)
3252		return err;
3253
3254	codec->patch_ops.init = atihdmi_init;
3255
3256	spec = codec->spec;
3257
3258	spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3259	spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3260	spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3261	spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3262	spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3263	spec->ops.setup_stream = atihdmi_setup_stream;
3264
3265	if (!has_amd_full_remap_support(codec)) {
3266		/* override to ATI/AMD-specific versions with pairwise mapping */
3267		spec->ops.chmap_cea_alloc_validate_get_type =
3268			atihdmi_paired_chmap_cea_alloc_validate_get_type;
3269		spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
3270		spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
3271	}
3272
3273	/* ATI/AMD converters do not advertise all of their capabilities */
3274	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3275		per_cvt = get_cvt(spec, cvt_idx);
3276		per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3277		per_cvt->rates |= SUPPORTED_RATES;
3278		per_cvt->formats |= SUPPORTED_FORMATS;
3279		per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3280	}
3281
3282	spec->channels_max = max(spec->channels_max, 8u);
3283
3284	return 0;
3285}
3286
3287/* VIA HDMI Implementation */
3288#define VIAHDMI_CVT_NID	0x02	/* audio converter1 */
3289#define VIAHDMI_PIN_NID	0x03	/* HDMI output pin1 */
3290
3291static int patch_via_hdmi(struct hda_codec *codec)
3292{
3293	return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3294}
3295
3296/*
3297 * patch entries
3298 */
3299static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
3300{ .id = 0x1002793c, .name = "RS600 HDMI",	.patch = patch_atihdmi },
3301{ .id = 0x10027919, .name = "RS600 HDMI",	.patch = patch_atihdmi },
3302{ .id = 0x1002791a, .name = "RS690/780 HDMI",	.patch = patch_atihdmi },
3303{ .id = 0x1002aa01, .name = "R6xx HDMI",	.patch = patch_atihdmi },
3304{ .id = 0x10951390, .name = "SiI1390 HDMI",	.patch = patch_generic_hdmi },
3305{ .id = 0x10951392, .name = "SiI1392 HDMI",	.patch = patch_generic_hdmi },
3306{ .id = 0x17e80047, .name = "Chrontel HDMI",	.patch = patch_generic_hdmi },
3307{ .id = 0x10de0002, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3308{ .id = 0x10de0003, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3309{ .id = 0x10de0005, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3310{ .id = 0x10de0006, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3311{ .id = 0x10de0007, .name = "MCP79/7A HDMI",	.patch = patch_nvhdmi_8ch_7x },
3312{ .id = 0x10de000a, .name = "GPU 0a HDMI/DP",	.patch = patch_nvhdmi },
3313{ .id = 0x10de000b, .name = "GPU 0b HDMI/DP",	.patch = patch_nvhdmi },
3314{ .id = 0x10de000c, .name = "MCP89 HDMI",	.patch = patch_nvhdmi },
3315{ .id = 0x10de000d, .name = "GPU 0d HDMI/DP",	.patch = patch_nvhdmi },
3316{ .id = 0x10de0010, .name = "GPU 10 HDMI/DP",	.patch = patch_nvhdmi },
3317{ .id = 0x10de0011, .name = "GPU 11 HDMI/DP",	.patch = patch_nvhdmi },
3318{ .id = 0x10de0012, .name = "GPU 12 HDMI/DP",	.patch = patch_nvhdmi },
3319{ .id = 0x10de0013, .name = "GPU 13 HDMI/DP",	.patch = patch_nvhdmi },
3320{ .id = 0x10de0014, .name = "GPU 14 HDMI/DP",	.patch = patch_nvhdmi },
3321{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP",	.patch = patch_nvhdmi },
3322{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP",	.patch = patch_nvhdmi },
3323/* 17 is known to be absent */
3324{ .id = 0x10de0018, .name = "GPU 18 HDMI/DP",	.patch = patch_nvhdmi },
3325{ .id = 0x10de0019, .name = "GPU 19 HDMI/DP",	.patch = patch_nvhdmi },
3326{ .id = 0x10de001a, .name = "GPU 1a HDMI/DP",	.patch = patch_nvhdmi },
3327{ .id = 0x10de001b, .name = "GPU 1b HDMI/DP",	.patch = patch_nvhdmi },
3328{ .id = 0x10de001c, .name = "GPU 1c HDMI/DP",	.patch = patch_nvhdmi },
3329{ .id = 0x10de0028, .name = "Tegra12x HDMI",	.patch = patch_nvhdmi },
3330{ .id = 0x10de0040, .name = "GPU 40 HDMI/DP",	.patch = patch_nvhdmi },
3331{ .id = 0x10de0041, .name = "GPU 41 HDMI/DP",	.patch = patch_nvhdmi },
3332{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP",	.patch = patch_nvhdmi },
3333{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP",	.patch = patch_nvhdmi },
3334{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP",	.patch = patch_nvhdmi },
3335{ .id = 0x10de0051, .name = "GPU 51 HDMI/DP",	.patch = patch_nvhdmi },
3336{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP",	.patch = patch_nvhdmi },
3337{ .id = 0x10de0067, .name = "MCP67 HDMI",	.patch = patch_nvhdmi_2ch },
3338{ .id = 0x10de0070, .name = "GPU 70 HDMI/DP",	.patch = patch_nvhdmi },
3339{ .id = 0x10de0071, .name = "GPU 71 HDMI/DP",	.patch = patch_nvhdmi },
3340{ .id = 0x10de0072, .name = "GPU 72 HDMI/DP",	.patch = patch_nvhdmi },
3341{ .id = 0x10de007d, .name = "GPU 7d HDMI/DP",	.patch = patch_nvhdmi },
3342{ .id = 0x10de0082, .name = "GPU 82 HDMI/DP",	.patch = patch_nvhdmi },
3343{ .id = 0x10de0083, .name = "GPU 83 HDMI/DP",	.patch = patch_nvhdmi },
3344{ .id = 0x10de8001, .name = "MCP73 HDMI",	.patch = patch_nvhdmi_2ch },
3345{ .id = 0x11069f80, .name = "VX900 HDMI/DP",	.patch = patch_via_hdmi },
3346{ .id = 0x11069f81, .name = "VX900 HDMI/DP",	.patch = patch_via_hdmi },
3347{ .id = 0x11069f84, .name = "VX11 HDMI/DP",	.patch = patch_generic_hdmi },
3348{ .id = 0x11069f85, .name = "VX11 HDMI/DP",	.patch = patch_generic_hdmi },
3349{ .id = 0x80860054, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi },
3350{ .id = 0x80862801, .name = "Bearlake HDMI",	.patch = patch_generic_hdmi },
3351{ .id = 0x80862802, .name = "Cantiga HDMI",	.patch = patch_generic_hdmi },
3352{ .id = 0x80862803, .name = "Eaglelake HDMI",	.patch = patch_generic_hdmi },
3353{ .id = 0x80862804, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi },
3354{ .id = 0x80862805, .name = "CougarPoint HDMI",	.patch = patch_generic_hdmi },
3355{ .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
3356{ .id = 0x80862807, .name = "Haswell HDMI",	.patch = patch_generic_hdmi },
3357{ .id = 0x80862808, .name = "Broadwell HDMI",	.patch = patch_generic_hdmi },
3358{ .id = 0x80862809, .name = "Skylake HDMI",	.patch = patch_generic_hdmi },
3359{ .id = 0x80862880, .name = "CedarTrail HDMI",	.patch = patch_generic_hdmi },
3360{ .id = 0x80862882, .name = "Valleyview2 HDMI",	.patch = patch_generic_hdmi },
3361{ .id = 0x80862883, .name = "Braswell HDMI",	.patch = patch_generic_hdmi },
3362{ .id = 0x808629fb, .name = "Crestline HDMI",	.patch = patch_generic_hdmi },
3363/* special ID for generic HDMI */
3364{ .id = HDA_CODEC_ID_GENERIC_HDMI, .patch = patch_generic_hdmi },
3365{} /* terminator */
3366};
3367
3368MODULE_ALIAS("snd-hda-codec-id:1002793c");
3369MODULE_ALIAS("snd-hda-codec-id:10027919");
3370MODULE_ALIAS("snd-hda-codec-id:1002791a");
3371MODULE_ALIAS("snd-hda-codec-id:1002aa01");
3372MODULE_ALIAS("snd-hda-codec-id:10951390");
3373MODULE_ALIAS("snd-hda-codec-id:10951392");
3374MODULE_ALIAS("snd-hda-codec-id:10de0002");
3375MODULE_ALIAS("snd-hda-codec-id:10de0003");
3376MODULE_ALIAS("snd-hda-codec-id:10de0005");
3377MODULE_ALIAS("snd-hda-codec-id:10de0006");
3378MODULE_ALIAS("snd-hda-codec-id:10de0007");
3379MODULE_ALIAS("snd-hda-codec-id:10de000a");
3380MODULE_ALIAS("snd-hda-codec-id:10de000b");
3381MODULE_ALIAS("snd-hda-codec-id:10de000c");
3382MODULE_ALIAS("snd-hda-codec-id:10de000d");
3383MODULE_ALIAS("snd-hda-codec-id:10de0010");
3384MODULE_ALIAS("snd-hda-codec-id:10de0011");
3385MODULE_ALIAS("snd-hda-codec-id:10de0012");
3386MODULE_ALIAS("snd-hda-codec-id:10de0013");
3387MODULE_ALIAS("snd-hda-codec-id:10de0014");
3388MODULE_ALIAS("snd-hda-codec-id:10de0015");
3389MODULE_ALIAS("snd-hda-codec-id:10de0016");
3390MODULE_ALIAS("snd-hda-codec-id:10de0018");
3391MODULE_ALIAS("snd-hda-codec-id:10de0019");
3392MODULE_ALIAS("snd-hda-codec-id:10de001a");
3393MODULE_ALIAS("snd-hda-codec-id:10de001b");
3394MODULE_ALIAS("snd-hda-codec-id:10de001c");
3395MODULE_ALIAS("snd-hda-codec-id:10de0028");
3396MODULE_ALIAS("snd-hda-codec-id:10de0040");
3397MODULE_ALIAS("snd-hda-codec-id:10de0041");
3398MODULE_ALIAS("snd-hda-codec-id:10de0042");
3399MODULE_ALIAS("snd-hda-codec-id:10de0043");
3400MODULE_ALIAS("snd-hda-codec-id:10de0044");
3401MODULE_ALIAS("snd-hda-codec-id:10de0051");
3402MODULE_ALIAS("snd-hda-codec-id:10de0060");
3403MODULE_ALIAS("snd-hda-codec-id:10de0067");
3404MODULE_ALIAS("snd-hda-codec-id:10de0070");
3405MODULE_ALIAS("snd-hda-codec-id:10de0071");
3406MODULE_ALIAS("snd-hda-codec-id:10de0072");
3407MODULE_ALIAS("snd-hda-codec-id:10de007d");
3408MODULE_ALIAS("snd-hda-codec-id:10de8001");
3409MODULE_ALIAS("snd-hda-codec-id:11069f80");
3410MODULE_ALIAS("snd-hda-codec-id:11069f81");
3411MODULE_ALIAS("snd-hda-codec-id:11069f84");
3412MODULE_ALIAS("snd-hda-codec-id:11069f85");
3413MODULE_ALIAS("snd-hda-codec-id:17e80047");
3414MODULE_ALIAS("snd-hda-codec-id:80860054");
3415MODULE_ALIAS("snd-hda-codec-id:80862801");
3416MODULE_ALIAS("snd-hda-codec-id:80862802");
3417MODULE_ALIAS("snd-hda-codec-id:80862803");
3418MODULE_ALIAS("snd-hda-codec-id:80862804");
3419MODULE_ALIAS("snd-hda-codec-id:80862805");
3420MODULE_ALIAS("snd-hda-codec-id:80862806");
3421MODULE_ALIAS("snd-hda-codec-id:80862807");
3422MODULE_ALIAS("snd-hda-codec-id:80862808");
3423MODULE_ALIAS("snd-hda-codec-id:80862809");
3424MODULE_ALIAS("snd-hda-codec-id:80862880");
3425MODULE_ALIAS("snd-hda-codec-id:80862882");
3426MODULE_ALIAS("snd-hda-codec-id:80862883");
3427MODULE_ALIAS("snd-hda-codec-id:808629fb");
3428
3429MODULE_LICENSE("GPL");
3430MODULE_DESCRIPTION("HDMI HD-audio codec");
3431MODULE_ALIAS("snd-hda-codec-intelhdmi");
3432MODULE_ALIAS("snd-hda-codec-nvhdmi");
3433MODULE_ALIAS("snd-hda-codec-atihdmi");
3434
3435static struct hda_codec_driver hdmi_driver = {
3436	.preset = snd_hda_preset_hdmi,
3437};
3438
3439module_hda_codec_driver(hdmi_driver);
3440