xref: /openbmc/linux/sound/pci/hda/patch_hdmi.c (revision 8c0b9ee8)
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 
44 static bool static_hdmi_pcm;
45 module_param(static_hdmi_pcm, bool, 0644);
46 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
47 
48 #define is_haswell(codec)  ((codec)->vendor_id == 0x80862807)
49 #define is_broadwell(codec)    ((codec)->vendor_id == 0x80862808)
50 #define is_skylake(codec) ((codec)->vendor_id == 0x80862809)
51 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
52 					|| is_skylake(codec))
53 
54 #define is_valleyview(codec) ((codec)->vendor_id == 0x80862882)
55 #define is_cherryview(codec) ((codec)->vendor_id == 0x80862883)
56 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
57 
58 struct hdmi_spec_per_cvt {
59 	hda_nid_t cvt_nid;
60 	int assigned;
61 	unsigned int channels_min;
62 	unsigned int channels_max;
63 	u32 rates;
64 	u64 formats;
65 	unsigned int maxbps;
66 };
67 
68 /* max. connections to a widget */
69 #define HDA_MAX_CONNECTIONS	32
70 
71 struct hdmi_spec_per_pin {
72 	hda_nid_t pin_nid;
73 	int num_mux_nids;
74 	hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
75 	int mux_idx;
76 	hda_nid_t cvt_nid;
77 
78 	struct hda_codec *codec;
79 	struct hdmi_eld sink_eld;
80 	struct mutex lock;
81 	struct delayed_work work;
82 	struct snd_kcontrol *eld_ctl;
83 	int repoll_count;
84 	bool setup; /* the stream has been set up by prepare callback */
85 	int channels; /* current number of channels */
86 	bool non_pcm;
87 	bool chmap_set;		/* channel-map override by ALSA API? */
88 	unsigned char chmap[8]; /* ALSA API channel-map */
89 	char pcm_name[8];	/* filled in build_pcm callbacks */
90 #ifdef CONFIG_PROC_FS
91 	struct snd_info_entry *proc_entry;
92 #endif
93 };
94 
95 struct cea_channel_speaker_allocation;
96 
97 /* operations used by generic code that can be overridden by patches */
98 struct hdmi_ops {
99 	int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
100 			   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 
128 struct 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 snd_array pcm_rec; /* struct hda_pcm */
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 
151 struct 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 
165 struct 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 
177 union 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  */
197 enum 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  */
220 static 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 
235 struct 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  */
259 static 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  */
286 static 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) \
359 	((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx))
360 
361 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
362 {
363 	struct hdmi_spec *spec = codec->spec;
364 	int pin_idx;
365 
366 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
367 		if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
368 			return pin_idx;
369 
370 	codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
371 	return -EINVAL;
372 }
373 
374 static int hinfo_to_pin_index(struct hda_codec *codec,
375 			      struct hda_pcm_stream *hinfo)
376 {
377 	struct hdmi_spec *spec = codec->spec;
378 	int pin_idx;
379 
380 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
381 		if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
382 			return pin_idx;
383 
384 	codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
385 	return -EINVAL;
386 }
387 
388 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
389 {
390 	struct hdmi_spec *spec = codec->spec;
391 	int cvt_idx;
392 
393 	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
394 		if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
395 			return cvt_idx;
396 
397 	codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
398 	return -EINVAL;
399 }
400 
401 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
402 			struct snd_ctl_elem_info *uinfo)
403 {
404 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
405 	struct hdmi_spec *spec = codec->spec;
406 	struct hdmi_spec_per_pin *per_pin;
407 	struct hdmi_eld *eld;
408 	int pin_idx;
409 
410 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
411 
412 	pin_idx = kcontrol->private_value;
413 	per_pin = get_pin(spec, pin_idx);
414 	eld = &per_pin->sink_eld;
415 
416 	mutex_lock(&per_pin->lock);
417 	uinfo->count = eld->eld_valid ? eld->eld_size : 0;
418 	mutex_unlock(&per_pin->lock);
419 
420 	return 0;
421 }
422 
423 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
424 			struct snd_ctl_elem_value *ucontrol)
425 {
426 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
427 	struct hdmi_spec *spec = codec->spec;
428 	struct hdmi_spec_per_pin *per_pin;
429 	struct hdmi_eld *eld;
430 	int pin_idx;
431 
432 	pin_idx = kcontrol->private_value;
433 	per_pin = get_pin(spec, pin_idx);
434 	eld = &per_pin->sink_eld;
435 
436 	mutex_lock(&per_pin->lock);
437 	if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
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 
453 static 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 
461 static 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
483 static 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 
496 static 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 
506 static 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 
512 static 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 
535 static 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 
541 static 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
554 static 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 
564 static 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 
574 static 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->bus->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 
594 static 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->bus->card, per_pin->proc_entry);
598 		per_pin->proc_entry = NULL;
599 	}
600 }
601 #else
602 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
603 			       int index)
604 {
605 	return 0;
606 }
607 static 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  */
619 static 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 
636 static 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 */
655 static 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 
708 static 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 
724 static 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 
773 struct channel_map_table {
774 	unsigned char map;		/* ALSA API channel map position */
775 	int spk_mask;			/* speaker position bit mask */
776 };
777 
778 static 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 */
800 static 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 */
811 static 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 */
827 static 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 */
838 static 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 */
846 static 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 */
869 static 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 */
901 static 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 
913 static 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 
929 static 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 
937 static 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  */
952 static 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  */
963 static 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 
971 static 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 
988 static 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 
1017 static 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 
1031 static 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 
1045 static 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 
1066 static 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 
1115 static 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 
1166 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
1167 
1168 static 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 
1179 static void jack_callback(struct hda_codec *codec,
1180 			  struct hda_jack_callback *jack)
1181 {
1182 	check_presence_and_report(codec, jack->tbl->nid);
1183 }
1184 
1185 static 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 
1204 static 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 
1227 static 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 
1243 static 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 
1272 static 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 
1306 static 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 
1326 static 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 */
1368 static 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  */
1392 static 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, end_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 	end_nid = codec->start_nid + codec->num_nodes;
1402 	for (nid = codec->start_nid; nid < end_nid; nid++) {
1403 		unsigned int wid_caps = get_wcaps(codec, nid);
1404 		unsigned int wid_type = get_wcaps_type(wid_caps);
1405 
1406 		if (wid_type != AC_WID_PIN)
1407 			continue;
1408 
1409 		if (nid == pin_nid)
1410 			continue;
1411 
1412 		curr = snd_hda_codec_read(codec, nid, 0,
1413 					  AC_VERB_GET_CONNECT_SEL, 0);
1414 		if (curr != mux_idx)
1415 			continue;
1416 
1417 		/* choose an unassigned converter. The conveters in the
1418 		 * connection list are in the same order as in the codec.
1419 		 */
1420 		for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1421 			per_cvt = get_cvt(spec, cvt_idx);
1422 			if (!per_cvt->assigned) {
1423 				codec_dbg(codec,
1424 					  "choose cvt %d for pin nid %d\n",
1425 					cvt_idx, nid);
1426 				snd_hda_codec_write_cache(codec, nid, 0,
1427 					    AC_VERB_SET_CONNECT_SEL,
1428 					    cvt_idx);
1429 				break;
1430 			}
1431 		}
1432 	}
1433 }
1434 
1435 /*
1436  * HDA PCM callbacks
1437  */
1438 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1439 			 struct hda_codec *codec,
1440 			 struct snd_pcm_substream *substream)
1441 {
1442 	struct hdmi_spec *spec = codec->spec;
1443 	struct snd_pcm_runtime *runtime = substream->runtime;
1444 	int pin_idx, cvt_idx, mux_idx = 0;
1445 	struct hdmi_spec_per_pin *per_pin;
1446 	struct hdmi_eld *eld;
1447 	struct hdmi_spec_per_cvt *per_cvt = NULL;
1448 	int err;
1449 
1450 	/* Validate hinfo */
1451 	pin_idx = hinfo_to_pin_index(codec, hinfo);
1452 	if (snd_BUG_ON(pin_idx < 0))
1453 		return -EINVAL;
1454 	per_pin = get_pin(spec, pin_idx);
1455 	eld = &per_pin->sink_eld;
1456 
1457 	err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1458 	if (err < 0)
1459 		return err;
1460 
1461 	per_cvt = get_cvt(spec, cvt_idx);
1462 	/* Claim converter */
1463 	per_cvt->assigned = 1;
1464 	per_pin->cvt_nid = per_cvt->cvt_nid;
1465 	hinfo->nid = per_cvt->cvt_nid;
1466 
1467 	snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1468 			    AC_VERB_SET_CONNECT_SEL,
1469 			    mux_idx);
1470 
1471 	/* configure unused pins to choose other converters */
1472 	if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1473 		intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1474 
1475 	snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1476 
1477 	/* Initially set the converter's capabilities */
1478 	hinfo->channels_min = per_cvt->channels_min;
1479 	hinfo->channels_max = per_cvt->channels_max;
1480 	hinfo->rates = per_cvt->rates;
1481 	hinfo->formats = per_cvt->formats;
1482 	hinfo->maxbps = per_cvt->maxbps;
1483 
1484 	/* Restrict capabilities by ELD if this isn't disabled */
1485 	if (!static_hdmi_pcm && eld->eld_valid) {
1486 		snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1487 		if (hinfo->channels_min > hinfo->channels_max ||
1488 		    !hinfo->rates || !hinfo->formats) {
1489 			per_cvt->assigned = 0;
1490 			hinfo->nid = 0;
1491 			snd_hda_spdif_ctls_unassign(codec, pin_idx);
1492 			return -ENODEV;
1493 		}
1494 	}
1495 
1496 	/* Store the updated parameters */
1497 	runtime->hw.channels_min = hinfo->channels_min;
1498 	runtime->hw.channels_max = hinfo->channels_max;
1499 	runtime->hw.formats = hinfo->formats;
1500 	runtime->hw.rates = hinfo->rates;
1501 
1502 	snd_pcm_hw_constraint_step(substream->runtime, 0,
1503 				   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1504 	return 0;
1505 }
1506 
1507 /*
1508  * HDA/HDMI auto parsing
1509  */
1510 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1511 {
1512 	struct hdmi_spec *spec = codec->spec;
1513 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1514 	hda_nid_t pin_nid = per_pin->pin_nid;
1515 
1516 	if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1517 		codec_warn(codec,
1518 			   "HDMI: pin %d wcaps %#x does not support connection list\n",
1519 			   pin_nid, get_wcaps(codec, pin_nid));
1520 		return -EINVAL;
1521 	}
1522 
1523 	per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1524 							per_pin->mux_nids,
1525 							HDA_MAX_CONNECTIONS);
1526 
1527 	return 0;
1528 }
1529 
1530 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1531 {
1532 	struct hda_jack_tbl *jack;
1533 	struct hda_codec *codec = per_pin->codec;
1534 	struct hdmi_spec *spec = codec->spec;
1535 	struct hdmi_eld *eld = &spec->temp_eld;
1536 	struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1537 	hda_nid_t pin_nid = per_pin->pin_nid;
1538 	/*
1539 	 * Always execute a GetPinSense verb here, even when called from
1540 	 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1541 	 * response's PD bit is not the real PD value, but indicates that
1542 	 * the real PD value changed. An older version of the HD-audio
1543 	 * specification worked this way. Hence, we just ignore the data in
1544 	 * the unsolicited response to avoid custom WARs.
1545 	 */
1546 	int present;
1547 	bool update_eld = false;
1548 	bool eld_changed = false;
1549 	bool ret;
1550 
1551 	snd_hda_power_up(codec);
1552 	present = snd_hda_pin_sense(codec, pin_nid);
1553 
1554 	mutex_lock(&per_pin->lock);
1555 	pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1556 	if (pin_eld->monitor_present)
1557 		eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1558 	else
1559 		eld->eld_valid = false;
1560 
1561 	codec_dbg(codec,
1562 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1563 		codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1564 
1565 	if (eld->eld_valid) {
1566 		if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1567 						     &eld->eld_size) < 0)
1568 			eld->eld_valid = false;
1569 		else {
1570 			memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1571 			if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1572 						    eld->eld_size) < 0)
1573 				eld->eld_valid = false;
1574 		}
1575 
1576 		if (eld->eld_valid) {
1577 			snd_hdmi_show_eld(codec, &eld->info);
1578 			update_eld = true;
1579 		}
1580 		else if (repoll) {
1581 			queue_delayed_work(codec->bus->workq,
1582 					   &per_pin->work,
1583 					   msecs_to_jiffies(300));
1584 			goto unlock;
1585 		}
1586 	}
1587 
1588 	if (pin_eld->eld_valid != eld->eld_valid)
1589 		eld_changed = true;
1590 
1591 	if (pin_eld->eld_valid && !eld->eld_valid)
1592 		update_eld = true;
1593 
1594 	if (update_eld) {
1595 		bool old_eld_valid = pin_eld->eld_valid;
1596 		pin_eld->eld_valid = eld->eld_valid;
1597 		if (pin_eld->eld_size != eld->eld_size ||
1598 			      memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1599 				     eld->eld_size) != 0) {
1600 			memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1601 			       eld->eld_size);
1602 			eld_changed = true;
1603 		}
1604 		pin_eld->eld_size = eld->eld_size;
1605 		pin_eld->info = eld->info;
1606 
1607 		/*
1608 		 * Re-setup pin and infoframe. This is needed e.g. when
1609 		 * - sink is first plugged-in (infoframe is not set up if !monitor_present)
1610 		 * - transcoder can change during stream playback on Haswell
1611 		 *   and this can make HW reset converter selection on a pin.
1612 		 */
1613 		if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1614 			if (is_haswell_plus(codec) ||
1615 				is_valleyview_plus(codec)) {
1616 				intel_verify_pin_cvt_connect(codec, per_pin);
1617 				intel_not_share_assigned_cvt(codec, pin_nid,
1618 							per_pin->mux_idx);
1619 			}
1620 
1621 			hdmi_setup_audio_infoframe(codec, per_pin,
1622 						   per_pin->non_pcm);
1623 		}
1624 	}
1625 
1626 	if (eld_changed)
1627 		snd_ctl_notify(codec->bus->card,
1628 			       SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1629 			       &per_pin->eld_ctl->id);
1630  unlock:
1631 	ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1632 
1633 	jack = snd_hda_jack_tbl_get(codec, pin_nid);
1634 	if (jack)
1635 		jack->block_report = !ret;
1636 
1637 	mutex_unlock(&per_pin->lock);
1638 	snd_hda_power_down(codec);
1639 	return ret;
1640 }
1641 
1642 static void hdmi_repoll_eld(struct work_struct *work)
1643 {
1644 	struct hdmi_spec_per_pin *per_pin =
1645 	container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1646 
1647 	if (per_pin->repoll_count++ > 6)
1648 		per_pin->repoll_count = 0;
1649 
1650 	if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1651 		snd_hda_jack_report_sync(per_pin->codec);
1652 }
1653 
1654 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1655 					     hda_nid_t nid);
1656 
1657 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1658 {
1659 	struct hdmi_spec *spec = codec->spec;
1660 	unsigned int caps, config;
1661 	int pin_idx;
1662 	struct hdmi_spec_per_pin *per_pin;
1663 	int err;
1664 
1665 	caps = snd_hda_query_pin_caps(codec, pin_nid);
1666 	if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1667 		return 0;
1668 
1669 	config = snd_hda_codec_get_pincfg(codec, pin_nid);
1670 	if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1671 		return 0;
1672 
1673 	if (is_haswell_plus(codec))
1674 		intel_haswell_fixup_connect_list(codec, pin_nid);
1675 
1676 	pin_idx = spec->num_pins;
1677 	per_pin = snd_array_new(&spec->pins);
1678 	if (!per_pin)
1679 		return -ENOMEM;
1680 
1681 	per_pin->pin_nid = pin_nid;
1682 	per_pin->non_pcm = false;
1683 
1684 	err = hdmi_read_pin_conn(codec, pin_idx);
1685 	if (err < 0)
1686 		return err;
1687 
1688 	spec->num_pins++;
1689 
1690 	return 0;
1691 }
1692 
1693 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1694 {
1695 	struct hdmi_spec *spec = codec->spec;
1696 	struct hdmi_spec_per_cvt *per_cvt;
1697 	unsigned int chans;
1698 	int err;
1699 
1700 	chans = get_wcaps(codec, cvt_nid);
1701 	chans = get_wcaps_channels(chans);
1702 
1703 	per_cvt = snd_array_new(&spec->cvts);
1704 	if (!per_cvt)
1705 		return -ENOMEM;
1706 
1707 	per_cvt->cvt_nid = cvt_nid;
1708 	per_cvt->channels_min = 2;
1709 	if (chans <= 16) {
1710 		per_cvt->channels_max = chans;
1711 		if (chans > spec->channels_max)
1712 			spec->channels_max = chans;
1713 	}
1714 
1715 	err = snd_hda_query_supported_pcm(codec, cvt_nid,
1716 					  &per_cvt->rates,
1717 					  &per_cvt->formats,
1718 					  &per_cvt->maxbps);
1719 	if (err < 0)
1720 		return err;
1721 
1722 	if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1723 		spec->cvt_nids[spec->num_cvts] = cvt_nid;
1724 	spec->num_cvts++;
1725 
1726 	return 0;
1727 }
1728 
1729 static int hdmi_parse_codec(struct hda_codec *codec)
1730 {
1731 	hda_nid_t nid;
1732 	int i, nodes;
1733 
1734 	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1735 	if (!nid || nodes < 0) {
1736 		codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1737 		return -EINVAL;
1738 	}
1739 
1740 	for (i = 0; i < nodes; i++, nid++) {
1741 		unsigned int caps;
1742 		unsigned int type;
1743 
1744 		caps = get_wcaps(codec, nid);
1745 		type = get_wcaps_type(caps);
1746 
1747 		if (!(caps & AC_WCAP_DIGITAL))
1748 			continue;
1749 
1750 		switch (type) {
1751 		case AC_WID_AUD_OUT:
1752 			hdmi_add_cvt(codec, nid);
1753 			break;
1754 		case AC_WID_PIN:
1755 			hdmi_add_pin(codec, nid);
1756 			break;
1757 		}
1758 	}
1759 
1760 	return 0;
1761 }
1762 
1763 /*
1764  */
1765 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1766 {
1767 	struct hda_spdif_out *spdif;
1768 	bool non_pcm;
1769 
1770 	mutex_lock(&codec->spdif_mutex);
1771 	spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1772 	non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1773 	mutex_unlock(&codec->spdif_mutex);
1774 	return non_pcm;
1775 }
1776 
1777 
1778 /*
1779  * HDMI callbacks
1780  */
1781 
1782 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1783 					   struct hda_codec *codec,
1784 					   unsigned int stream_tag,
1785 					   unsigned int format,
1786 					   struct snd_pcm_substream *substream)
1787 {
1788 	hda_nid_t cvt_nid = hinfo->nid;
1789 	struct hdmi_spec *spec = codec->spec;
1790 	int pin_idx = hinfo_to_pin_index(codec, hinfo);
1791 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1792 	hda_nid_t pin_nid = per_pin->pin_nid;
1793 	bool non_pcm;
1794 	int pinctl;
1795 
1796 	if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1797 		/* Verify pin:cvt selections to avoid silent audio after S3.
1798 		 * After S3, the audio driver restores pin:cvt selections
1799 		 * but this can happen before gfx is ready and such selection
1800 		 * is overlooked by HW. Thus multiple pins can share a same
1801 		 * default convertor and mute control will affect each other,
1802 		 * which can cause a resumed audio playback become silent
1803 		 * after S3.
1804 		 */
1805 		intel_verify_pin_cvt_connect(codec, per_pin);
1806 		intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1807 	}
1808 
1809 	non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1810 	mutex_lock(&per_pin->lock);
1811 	per_pin->channels = substream->runtime->channels;
1812 	per_pin->setup = true;
1813 
1814 	hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1815 	mutex_unlock(&per_pin->lock);
1816 
1817 	if (spec->dyn_pin_out) {
1818 		pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1819 					    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1820 		snd_hda_codec_write(codec, pin_nid, 0,
1821 				    AC_VERB_SET_PIN_WIDGET_CONTROL,
1822 				    pinctl | PIN_OUT);
1823 	}
1824 
1825 	return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1826 }
1827 
1828 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1829 					     struct hda_codec *codec,
1830 					     struct snd_pcm_substream *substream)
1831 {
1832 	snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1833 	return 0;
1834 }
1835 
1836 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1837 			  struct hda_codec *codec,
1838 			  struct snd_pcm_substream *substream)
1839 {
1840 	struct hdmi_spec *spec = codec->spec;
1841 	int cvt_idx, pin_idx;
1842 	struct hdmi_spec_per_cvt *per_cvt;
1843 	struct hdmi_spec_per_pin *per_pin;
1844 	int pinctl;
1845 
1846 	if (hinfo->nid) {
1847 		cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1848 		if (snd_BUG_ON(cvt_idx < 0))
1849 			return -EINVAL;
1850 		per_cvt = get_cvt(spec, cvt_idx);
1851 
1852 		snd_BUG_ON(!per_cvt->assigned);
1853 		per_cvt->assigned = 0;
1854 		hinfo->nid = 0;
1855 
1856 		pin_idx = hinfo_to_pin_index(codec, hinfo);
1857 		if (snd_BUG_ON(pin_idx < 0))
1858 			return -EINVAL;
1859 		per_pin = get_pin(spec, pin_idx);
1860 
1861 		if (spec->dyn_pin_out) {
1862 			pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1863 					AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1864 			snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1865 					    AC_VERB_SET_PIN_WIDGET_CONTROL,
1866 					    pinctl & ~PIN_OUT);
1867 		}
1868 
1869 		snd_hda_spdif_ctls_unassign(codec, pin_idx);
1870 
1871 		mutex_lock(&per_pin->lock);
1872 		per_pin->chmap_set = false;
1873 		memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1874 
1875 		per_pin->setup = false;
1876 		per_pin->channels = 0;
1877 		mutex_unlock(&per_pin->lock);
1878 	}
1879 
1880 	return 0;
1881 }
1882 
1883 static const struct hda_pcm_ops generic_ops = {
1884 	.open = hdmi_pcm_open,
1885 	.close = hdmi_pcm_close,
1886 	.prepare = generic_hdmi_playback_pcm_prepare,
1887 	.cleanup = generic_hdmi_playback_pcm_cleanup,
1888 };
1889 
1890 /*
1891  * ALSA API channel-map control callbacks
1892  */
1893 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1894 			       struct snd_ctl_elem_info *uinfo)
1895 {
1896 	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1897 	struct hda_codec *codec = info->private_data;
1898 	struct hdmi_spec *spec = codec->spec;
1899 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1900 	uinfo->count = spec->channels_max;
1901 	uinfo->value.integer.min = 0;
1902 	uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1903 	return 0;
1904 }
1905 
1906 static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
1907 						  int channels)
1908 {
1909 	/* If the speaker allocation matches the channel count, it is OK.*/
1910 	if (cap->channels != channels)
1911 		return -1;
1912 
1913 	/* all channels are remappable freely */
1914 	return SNDRV_CTL_TLVT_CHMAP_VAR;
1915 }
1916 
1917 static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
1918 					unsigned int *chmap, int channels)
1919 {
1920 	int count = 0;
1921 	int c;
1922 
1923 	for (c = 7; c >= 0; c--) {
1924 		int spk = cap->speakers[c];
1925 		if (!spk)
1926 			continue;
1927 
1928 		chmap[count++] = spk_to_chmap(spk);
1929 	}
1930 
1931 	WARN_ON(count != channels);
1932 }
1933 
1934 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1935 			      unsigned int size, unsigned int __user *tlv)
1936 {
1937 	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1938 	struct hda_codec *codec = info->private_data;
1939 	struct hdmi_spec *spec = codec->spec;
1940 	unsigned int __user *dst;
1941 	int chs, count = 0;
1942 
1943 	if (size < 8)
1944 		return -ENOMEM;
1945 	if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1946 		return -EFAULT;
1947 	size -= 8;
1948 	dst = tlv + 2;
1949 	for (chs = 2; chs <= spec->channels_max; chs++) {
1950 		int i;
1951 		struct cea_channel_speaker_allocation *cap;
1952 		cap = channel_allocations;
1953 		for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1954 			int chs_bytes = chs * 4;
1955 			int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
1956 			unsigned int tlv_chmap[8];
1957 
1958 			if (type < 0)
1959 				continue;
1960 			if (size < 8)
1961 				return -ENOMEM;
1962 			if (put_user(type, dst) ||
1963 			    put_user(chs_bytes, dst + 1))
1964 				return -EFAULT;
1965 			dst += 2;
1966 			size -= 8;
1967 			count += 8;
1968 			if (size < chs_bytes)
1969 				return -ENOMEM;
1970 			size -= chs_bytes;
1971 			count += chs_bytes;
1972 			spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
1973 			if (copy_to_user(dst, tlv_chmap, chs_bytes))
1974 				return -EFAULT;
1975 			dst += chs;
1976 		}
1977 	}
1978 	if (put_user(count, tlv + 1))
1979 		return -EFAULT;
1980 	return 0;
1981 }
1982 
1983 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1984 			      struct snd_ctl_elem_value *ucontrol)
1985 {
1986 	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1987 	struct hda_codec *codec = info->private_data;
1988 	struct hdmi_spec *spec = codec->spec;
1989 	int pin_idx = kcontrol->private_value;
1990 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1991 	int i;
1992 
1993 	for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1994 		ucontrol->value.integer.value[i] = per_pin->chmap[i];
1995 	return 0;
1996 }
1997 
1998 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1999 			      struct snd_ctl_elem_value *ucontrol)
2000 {
2001 	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2002 	struct hda_codec *codec = info->private_data;
2003 	struct hdmi_spec *spec = codec->spec;
2004 	int pin_idx = kcontrol->private_value;
2005 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2006 	unsigned int ctl_idx;
2007 	struct snd_pcm_substream *substream;
2008 	unsigned char chmap[8];
2009 	int i, err, ca, prepared = 0;
2010 
2011 	ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2012 	substream = snd_pcm_chmap_substream(info, ctl_idx);
2013 	if (!substream || !substream->runtime)
2014 		return 0; /* just for avoiding error from alsactl restore */
2015 	switch (substream->runtime->status->state) {
2016 	case SNDRV_PCM_STATE_OPEN:
2017 	case SNDRV_PCM_STATE_SETUP:
2018 		break;
2019 	case SNDRV_PCM_STATE_PREPARED:
2020 		prepared = 1;
2021 		break;
2022 	default:
2023 		return -EBUSY;
2024 	}
2025 	memset(chmap, 0, sizeof(chmap));
2026 	for (i = 0; i < ARRAY_SIZE(chmap); i++)
2027 		chmap[i] = ucontrol->value.integer.value[i];
2028 	if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
2029 		return 0;
2030 	ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2031 	if (ca < 0)
2032 		return -EINVAL;
2033 	if (spec->ops.chmap_validate) {
2034 		err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
2035 		if (err)
2036 			return err;
2037 	}
2038 	mutex_lock(&per_pin->lock);
2039 	per_pin->chmap_set = true;
2040 	memcpy(per_pin->chmap, chmap, sizeof(chmap));
2041 	if (prepared)
2042 		hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2043 	mutex_unlock(&per_pin->lock);
2044 
2045 	return 0;
2046 }
2047 
2048 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2049 {
2050 	struct hdmi_spec *spec = codec->spec;
2051 	int pin_idx;
2052 
2053 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2054 		struct hda_pcm *info;
2055 		struct hda_pcm_stream *pstr;
2056 		struct hdmi_spec_per_pin *per_pin;
2057 
2058 		per_pin = get_pin(spec, pin_idx);
2059 		sprintf(per_pin->pcm_name, "HDMI %d", pin_idx);
2060 		info = snd_array_new(&spec->pcm_rec);
2061 		if (!info)
2062 			return -ENOMEM;
2063 		info->name = per_pin->pcm_name;
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 	codec->num_pcms = spec->num_pins;
2074 	codec->pcm_info = spec->pcm_rec.list;
2075 
2076 	return 0;
2077 }
2078 
2079 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
2080 {
2081 	char hdmi_str[32] = "HDMI/DP";
2082 	struct hdmi_spec *spec = codec->spec;
2083 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2084 	int pcmdev = get_pcm_rec(spec, pin_idx)->device;
2085 
2086 	if (pcmdev > 0)
2087 		sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2088 	if (!is_jack_detectable(codec, per_pin->pin_nid))
2089 		strncat(hdmi_str, " Phantom",
2090 			sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2091 
2092 	return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
2093 }
2094 
2095 static int generic_hdmi_build_controls(struct hda_codec *codec)
2096 {
2097 	struct hdmi_spec *spec = codec->spec;
2098 	int err;
2099 	int pin_idx;
2100 
2101 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2102 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2103 
2104 		err = generic_hdmi_build_jack(codec, pin_idx);
2105 		if (err < 0)
2106 			return err;
2107 
2108 		err = snd_hda_create_dig_out_ctls(codec,
2109 						  per_pin->pin_nid,
2110 						  per_pin->mux_nids[0],
2111 						  HDA_PCM_TYPE_HDMI);
2112 		if (err < 0)
2113 			return err;
2114 		snd_hda_spdif_ctls_unassign(codec, pin_idx);
2115 
2116 		/* add control for ELD Bytes */
2117 		err = hdmi_create_eld_ctl(codec, pin_idx,
2118 					  get_pcm_rec(spec, pin_idx)->device);
2119 
2120 		if (err < 0)
2121 			return err;
2122 
2123 		hdmi_present_sense(per_pin, 0);
2124 	}
2125 
2126 	/* add channel maps */
2127 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2128 		struct snd_pcm_chmap *chmap;
2129 		struct snd_kcontrol *kctl;
2130 		int i;
2131 
2132 		if (!codec->pcm_info[pin_idx].pcm)
2133 			break;
2134 		err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
2135 					     SNDRV_PCM_STREAM_PLAYBACK,
2136 					     NULL, 0, pin_idx, &chmap);
2137 		if (err < 0)
2138 			return err;
2139 		/* override handlers */
2140 		chmap->private_data = codec;
2141 		kctl = chmap->kctl;
2142 		for (i = 0; i < kctl->count; i++)
2143 			kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2144 		kctl->info = hdmi_chmap_ctl_info;
2145 		kctl->get = hdmi_chmap_ctl_get;
2146 		kctl->put = hdmi_chmap_ctl_put;
2147 		kctl->tlv.c = hdmi_chmap_ctl_tlv;
2148 	}
2149 
2150 	return 0;
2151 }
2152 
2153 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2154 {
2155 	struct hdmi_spec *spec = codec->spec;
2156 	int pin_idx;
2157 
2158 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2159 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2160 
2161 		per_pin->codec = codec;
2162 		mutex_init(&per_pin->lock);
2163 		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2164 		eld_proc_new(per_pin, pin_idx);
2165 	}
2166 	return 0;
2167 }
2168 
2169 static int generic_hdmi_init(struct hda_codec *codec)
2170 {
2171 	struct hdmi_spec *spec = codec->spec;
2172 	int pin_idx;
2173 
2174 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2175 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2176 		hda_nid_t pin_nid = per_pin->pin_nid;
2177 
2178 		hdmi_init_pin(codec, pin_nid);
2179 		snd_hda_jack_detect_enable_callback(codec, pin_nid,
2180 			codec->jackpoll_interval > 0 ? jack_callback : NULL);
2181 	}
2182 	return 0;
2183 }
2184 
2185 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2186 {
2187 	snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2188 	snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2189 	snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums);
2190 }
2191 
2192 static void hdmi_array_free(struct hdmi_spec *spec)
2193 {
2194 	snd_array_free(&spec->pins);
2195 	snd_array_free(&spec->cvts);
2196 	snd_array_free(&spec->pcm_rec);
2197 }
2198 
2199 static void generic_hdmi_free(struct hda_codec *codec)
2200 {
2201 	struct hdmi_spec *spec = codec->spec;
2202 	int pin_idx;
2203 
2204 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2205 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2206 
2207 		cancel_delayed_work(&per_pin->work);
2208 		eld_proc_free(per_pin);
2209 	}
2210 
2211 	flush_workqueue(codec->bus->workq);
2212 	hdmi_array_free(spec);
2213 	kfree(spec);
2214 }
2215 
2216 #ifdef CONFIG_PM
2217 static int generic_hdmi_resume(struct hda_codec *codec)
2218 {
2219 	struct hdmi_spec *spec = codec->spec;
2220 	int pin_idx;
2221 
2222 	codec->patch_ops.init(codec);
2223 	snd_hda_codec_resume_amp(codec);
2224 	snd_hda_codec_resume_cache(codec);
2225 
2226 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2227 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2228 		hdmi_present_sense(per_pin, 1);
2229 	}
2230 	return 0;
2231 }
2232 #endif
2233 
2234 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2235 	.init			= generic_hdmi_init,
2236 	.free			= generic_hdmi_free,
2237 	.build_pcms		= generic_hdmi_build_pcms,
2238 	.build_controls		= generic_hdmi_build_controls,
2239 	.unsol_event		= hdmi_unsol_event,
2240 #ifdef CONFIG_PM
2241 	.resume			= generic_hdmi_resume,
2242 #endif
2243 };
2244 
2245 static const struct hdmi_ops generic_standard_hdmi_ops = {
2246 	.pin_get_eld				= snd_hdmi_get_eld,
2247 	.pin_get_slot_channel			= hdmi_pin_get_slot_channel,
2248 	.pin_set_slot_channel			= hdmi_pin_set_slot_channel,
2249 	.pin_setup_infoframe			= hdmi_pin_setup_infoframe,
2250 	.pin_hbr_setup				= hdmi_pin_hbr_setup,
2251 	.setup_stream				= hdmi_setup_stream,
2252 	.chmap_cea_alloc_validate_get_type	= hdmi_chmap_cea_alloc_validate_get_type,
2253 	.cea_alloc_to_tlv_chmap			= hdmi_cea_alloc_to_tlv_chmap,
2254 };
2255 
2256 
2257 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2258 					     hda_nid_t nid)
2259 {
2260 	struct hdmi_spec *spec = codec->spec;
2261 	hda_nid_t conns[4];
2262 	int nconns;
2263 
2264 	nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2265 	if (nconns == spec->num_cvts &&
2266 	    !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2267 		return;
2268 
2269 	/* override pins connection list */
2270 	codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2271 	snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2272 }
2273 
2274 #define INTEL_VENDOR_NID 0x08
2275 #define INTEL_GET_VENDOR_VERB 0xf81
2276 #define INTEL_SET_VENDOR_VERB 0x781
2277 #define INTEL_EN_DP12			0x02 /* enable DP 1.2 features */
2278 #define INTEL_EN_ALL_PIN_CVTS	0x01 /* enable 2nd & 3rd pins and convertors */
2279 
2280 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2281 					  bool update_tree)
2282 {
2283 	unsigned int vendor_param;
2284 
2285 	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2286 				INTEL_GET_VENDOR_VERB, 0);
2287 	if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2288 		return;
2289 
2290 	vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2291 	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2292 				INTEL_SET_VENDOR_VERB, vendor_param);
2293 	if (vendor_param == -1)
2294 		return;
2295 
2296 	if (update_tree)
2297 		snd_hda_codec_update_widgets(codec);
2298 }
2299 
2300 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2301 {
2302 	unsigned int vendor_param;
2303 
2304 	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2305 				INTEL_GET_VENDOR_VERB, 0);
2306 	if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2307 		return;
2308 
2309 	/* enable DP1.2 mode */
2310 	vendor_param |= INTEL_EN_DP12;
2311 	snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2312 				INTEL_SET_VENDOR_VERB, vendor_param);
2313 }
2314 
2315 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2316  * Otherwise you may get severe h/w communication errors.
2317  */
2318 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2319 				unsigned int power_state)
2320 {
2321 	if (power_state == AC_PWRST_D0) {
2322 		intel_haswell_enable_all_pins(codec, false);
2323 		intel_haswell_fixup_enable_dp12(codec);
2324 	}
2325 
2326 	snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2327 	snd_hda_codec_set_power_to_all(codec, fg, power_state);
2328 }
2329 
2330 static int patch_generic_hdmi(struct hda_codec *codec)
2331 {
2332 	struct hdmi_spec *spec;
2333 
2334 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2335 	if (spec == NULL)
2336 		return -ENOMEM;
2337 
2338 	spec->ops = generic_standard_hdmi_ops;
2339 	codec->spec = spec;
2340 	hdmi_array_init(spec, 4);
2341 
2342 	if (is_haswell_plus(codec)) {
2343 		intel_haswell_enable_all_pins(codec, true);
2344 		intel_haswell_fixup_enable_dp12(codec);
2345 	}
2346 
2347 	if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2348 		codec->depop_delay = 0;
2349 
2350 	if (hdmi_parse_codec(codec) < 0) {
2351 		codec->spec = NULL;
2352 		kfree(spec);
2353 		return -EINVAL;
2354 	}
2355 	codec->patch_ops = generic_hdmi_patch_ops;
2356 	if (is_haswell_plus(codec)) {
2357 		codec->patch_ops.set_power_state = haswell_set_power_state;
2358 		codec->dp_mst = true;
2359 	}
2360 
2361 	generic_hdmi_init_per_pins(codec);
2362 
2363 	init_channel_allocations();
2364 
2365 	return 0;
2366 }
2367 
2368 /*
2369  * Shared non-generic implementations
2370  */
2371 
2372 static int simple_playback_build_pcms(struct hda_codec *codec)
2373 {
2374 	struct hdmi_spec *spec = codec->spec;
2375 	struct hda_pcm *info;
2376 	unsigned int chans;
2377 	struct hda_pcm_stream *pstr;
2378 	struct hdmi_spec_per_cvt *per_cvt;
2379 
2380 	per_cvt = get_cvt(spec, 0);
2381 	chans = get_wcaps(codec, per_cvt->cvt_nid);
2382 	chans = get_wcaps_channels(chans);
2383 
2384 	info = snd_array_new(&spec->pcm_rec);
2385 	if (!info)
2386 		return -ENOMEM;
2387 	info->name = get_pin(spec, 0)->pcm_name;
2388 	sprintf(info->name, "HDMI 0");
2389 	info->pcm_type = HDA_PCM_TYPE_HDMI;
2390 	pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2391 	*pstr = spec->pcm_playback;
2392 	pstr->nid = per_cvt->cvt_nid;
2393 	if (pstr->channels_max <= 2 && chans && chans <= 16)
2394 		pstr->channels_max = chans;
2395 
2396 	codec->num_pcms = 1;
2397 	codec->pcm_info = info;
2398 
2399 	return 0;
2400 }
2401 
2402 /* unsolicited event for jack sensing */
2403 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2404 				    unsigned int res)
2405 {
2406 	snd_hda_jack_set_dirty_all(codec);
2407 	snd_hda_jack_report_sync(codec);
2408 }
2409 
2410 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2411  * as long as spec->pins[] is set correctly
2412  */
2413 #define simple_hdmi_build_jack	generic_hdmi_build_jack
2414 
2415 static int simple_playback_build_controls(struct hda_codec *codec)
2416 {
2417 	struct hdmi_spec *spec = codec->spec;
2418 	struct hdmi_spec_per_cvt *per_cvt;
2419 	int err;
2420 
2421 	per_cvt = get_cvt(spec, 0);
2422 	err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2423 					  per_cvt->cvt_nid,
2424 					  HDA_PCM_TYPE_HDMI);
2425 	if (err < 0)
2426 		return err;
2427 	return simple_hdmi_build_jack(codec, 0);
2428 }
2429 
2430 static int simple_playback_init(struct hda_codec *codec)
2431 {
2432 	struct hdmi_spec *spec = codec->spec;
2433 	struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2434 	hda_nid_t pin = per_pin->pin_nid;
2435 
2436 	snd_hda_codec_write(codec, pin, 0,
2437 			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2438 	/* some codecs require to unmute the pin */
2439 	if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2440 		snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2441 				    AMP_OUT_UNMUTE);
2442 	snd_hda_jack_detect_enable(codec, pin);
2443 	return 0;
2444 }
2445 
2446 static void simple_playback_free(struct hda_codec *codec)
2447 {
2448 	struct hdmi_spec *spec = codec->spec;
2449 
2450 	hdmi_array_free(spec);
2451 	kfree(spec);
2452 }
2453 
2454 /*
2455  * Nvidia specific implementations
2456  */
2457 
2458 #define Nv_VERB_SET_Channel_Allocation          0xF79
2459 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2460 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2461 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2462 
2463 #define nvhdmi_master_con_nid_7x	0x04
2464 #define nvhdmi_master_pin_nid_7x	0x05
2465 
2466 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2467 	/*front, rear, clfe, rear_surr */
2468 	0x6, 0x8, 0xa, 0xc,
2469 };
2470 
2471 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
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 	{} /* terminator */
2477 };
2478 
2479 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2480 	/* set audio protect on */
2481 	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2482 	/* enable digital output on pin widget */
2483 	{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2484 	{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2485 	{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2486 	{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2487 	{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2488 	{} /* terminator */
2489 };
2490 
2491 #ifdef LIMITED_RATE_FMT_SUPPORT
2492 /* support only the safe format and rate */
2493 #define SUPPORTED_RATES		SNDRV_PCM_RATE_48000
2494 #define SUPPORTED_MAXBPS	16
2495 #define SUPPORTED_FORMATS	SNDRV_PCM_FMTBIT_S16_LE
2496 #else
2497 /* support all rates and formats */
2498 #define SUPPORTED_RATES \
2499 	(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2500 	SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2501 	 SNDRV_PCM_RATE_192000)
2502 #define SUPPORTED_MAXBPS	24
2503 #define SUPPORTED_FORMATS \
2504 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2505 #endif
2506 
2507 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2508 {
2509 	snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2510 	return 0;
2511 }
2512 
2513 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2514 {
2515 	snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2516 	return 0;
2517 }
2518 
2519 static unsigned int channels_2_6_8[] = {
2520 	2, 6, 8
2521 };
2522 
2523 static unsigned int channels_2_8[] = {
2524 	2, 8
2525 };
2526 
2527 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2528 	.count = ARRAY_SIZE(channels_2_6_8),
2529 	.list = channels_2_6_8,
2530 	.mask = 0,
2531 };
2532 
2533 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2534 	.count = ARRAY_SIZE(channels_2_8),
2535 	.list = channels_2_8,
2536 	.mask = 0,
2537 };
2538 
2539 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2540 				    struct hda_codec *codec,
2541 				    struct snd_pcm_substream *substream)
2542 {
2543 	struct hdmi_spec *spec = codec->spec;
2544 	struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2545 
2546 	switch (codec->preset->id) {
2547 	case 0x10de0002:
2548 	case 0x10de0003:
2549 	case 0x10de0005:
2550 	case 0x10de0006:
2551 		hw_constraints_channels = &hw_constraints_2_8_channels;
2552 		break;
2553 	case 0x10de0007:
2554 		hw_constraints_channels = &hw_constraints_2_6_8_channels;
2555 		break;
2556 	default:
2557 		break;
2558 	}
2559 
2560 	if (hw_constraints_channels != NULL) {
2561 		snd_pcm_hw_constraint_list(substream->runtime, 0,
2562 				SNDRV_PCM_HW_PARAM_CHANNELS,
2563 				hw_constraints_channels);
2564 	} else {
2565 		snd_pcm_hw_constraint_step(substream->runtime, 0,
2566 					   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2567 	}
2568 
2569 	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2570 }
2571 
2572 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2573 				     struct hda_codec *codec,
2574 				     struct snd_pcm_substream *substream)
2575 {
2576 	struct hdmi_spec *spec = codec->spec;
2577 	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2578 }
2579 
2580 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2581 				       struct hda_codec *codec,
2582 				       unsigned int stream_tag,
2583 				       unsigned int format,
2584 				       struct snd_pcm_substream *substream)
2585 {
2586 	struct hdmi_spec *spec = codec->spec;
2587 	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2588 					     stream_tag, format, substream);
2589 }
2590 
2591 static const struct hda_pcm_stream simple_pcm_playback = {
2592 	.substreams = 1,
2593 	.channels_min = 2,
2594 	.channels_max = 2,
2595 	.ops = {
2596 		.open = simple_playback_pcm_open,
2597 		.close = simple_playback_pcm_close,
2598 		.prepare = simple_playback_pcm_prepare
2599 	},
2600 };
2601 
2602 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2603 	.build_controls = simple_playback_build_controls,
2604 	.build_pcms = simple_playback_build_pcms,
2605 	.init = simple_playback_init,
2606 	.free = simple_playback_free,
2607 	.unsol_event = simple_hdmi_unsol_event,
2608 };
2609 
2610 static int patch_simple_hdmi(struct hda_codec *codec,
2611 			     hda_nid_t cvt_nid, hda_nid_t pin_nid)
2612 {
2613 	struct hdmi_spec *spec;
2614 	struct hdmi_spec_per_cvt *per_cvt;
2615 	struct hdmi_spec_per_pin *per_pin;
2616 
2617 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2618 	if (!spec)
2619 		return -ENOMEM;
2620 
2621 	codec->spec = spec;
2622 	hdmi_array_init(spec, 1);
2623 
2624 	spec->multiout.num_dacs = 0;  /* no analog */
2625 	spec->multiout.max_channels = 2;
2626 	spec->multiout.dig_out_nid = cvt_nid;
2627 	spec->num_cvts = 1;
2628 	spec->num_pins = 1;
2629 	per_pin = snd_array_new(&spec->pins);
2630 	per_cvt = snd_array_new(&spec->cvts);
2631 	if (!per_pin || !per_cvt) {
2632 		simple_playback_free(codec);
2633 		return -ENOMEM;
2634 	}
2635 	per_cvt->cvt_nid = cvt_nid;
2636 	per_pin->pin_nid = pin_nid;
2637 	spec->pcm_playback = simple_pcm_playback;
2638 
2639 	codec->patch_ops = simple_hdmi_patch_ops;
2640 
2641 	return 0;
2642 }
2643 
2644 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2645 						    int channels)
2646 {
2647 	unsigned int chanmask;
2648 	int chan = channels ? (channels - 1) : 1;
2649 
2650 	switch (channels) {
2651 	default:
2652 	case 0:
2653 	case 2:
2654 		chanmask = 0x00;
2655 		break;
2656 	case 4:
2657 		chanmask = 0x08;
2658 		break;
2659 	case 6:
2660 		chanmask = 0x0b;
2661 		break;
2662 	case 8:
2663 		chanmask = 0x13;
2664 		break;
2665 	}
2666 
2667 	/* Set the audio infoframe channel allocation and checksum fields.  The
2668 	 * channel count is computed implicitly by the hardware. */
2669 	snd_hda_codec_write(codec, 0x1, 0,
2670 			Nv_VERB_SET_Channel_Allocation, chanmask);
2671 
2672 	snd_hda_codec_write(codec, 0x1, 0,
2673 			Nv_VERB_SET_Info_Frame_Checksum,
2674 			(0x71 - chan - chanmask));
2675 }
2676 
2677 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2678 				   struct hda_codec *codec,
2679 				   struct snd_pcm_substream *substream)
2680 {
2681 	struct hdmi_spec *spec = codec->spec;
2682 	int i;
2683 
2684 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2685 			0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2686 	for (i = 0; i < 4; i++) {
2687 		/* set the stream id */
2688 		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2689 				AC_VERB_SET_CHANNEL_STREAMID, 0);
2690 		/* set the stream format */
2691 		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2692 				AC_VERB_SET_STREAM_FORMAT, 0);
2693 	}
2694 
2695 	/* The audio hardware sends a channel count of 0x7 (8ch) when all the
2696 	 * streams are disabled. */
2697 	nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2698 
2699 	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2700 }
2701 
2702 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2703 				     struct hda_codec *codec,
2704 				     unsigned int stream_tag,
2705 				     unsigned int format,
2706 				     struct snd_pcm_substream *substream)
2707 {
2708 	int chs;
2709 	unsigned int dataDCC2, channel_id;
2710 	int i;
2711 	struct hdmi_spec *spec = codec->spec;
2712 	struct hda_spdif_out *spdif;
2713 	struct hdmi_spec_per_cvt *per_cvt;
2714 
2715 	mutex_lock(&codec->spdif_mutex);
2716 	per_cvt = get_cvt(spec, 0);
2717 	spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2718 
2719 	chs = substream->runtime->channels;
2720 
2721 	dataDCC2 = 0x2;
2722 
2723 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2724 	if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2725 		snd_hda_codec_write(codec,
2726 				nvhdmi_master_con_nid_7x,
2727 				0,
2728 				AC_VERB_SET_DIGI_CONVERT_1,
2729 				spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2730 
2731 	/* set the stream id */
2732 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2733 			AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2734 
2735 	/* set the stream format */
2736 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2737 			AC_VERB_SET_STREAM_FORMAT, format);
2738 
2739 	/* turn on again (if needed) */
2740 	/* enable and set the channel status audio/data flag */
2741 	if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2742 		snd_hda_codec_write(codec,
2743 				nvhdmi_master_con_nid_7x,
2744 				0,
2745 				AC_VERB_SET_DIGI_CONVERT_1,
2746 				spdif->ctls & 0xff);
2747 		snd_hda_codec_write(codec,
2748 				nvhdmi_master_con_nid_7x,
2749 				0,
2750 				AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2751 	}
2752 
2753 	for (i = 0; i < 4; i++) {
2754 		if (chs == 2)
2755 			channel_id = 0;
2756 		else
2757 			channel_id = i * 2;
2758 
2759 		/* turn off SPDIF once;
2760 		 *otherwise the IEC958 bits won't be updated
2761 		 */
2762 		if (codec->spdif_status_reset &&
2763 		(spdif->ctls & AC_DIG1_ENABLE))
2764 			snd_hda_codec_write(codec,
2765 				nvhdmi_con_nids_7x[i],
2766 				0,
2767 				AC_VERB_SET_DIGI_CONVERT_1,
2768 				spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2769 		/* set the stream id */
2770 		snd_hda_codec_write(codec,
2771 				nvhdmi_con_nids_7x[i],
2772 				0,
2773 				AC_VERB_SET_CHANNEL_STREAMID,
2774 				(stream_tag << 4) | channel_id);
2775 		/* set the stream format */
2776 		snd_hda_codec_write(codec,
2777 				nvhdmi_con_nids_7x[i],
2778 				0,
2779 				AC_VERB_SET_STREAM_FORMAT,
2780 				format);
2781 		/* turn on again (if needed) */
2782 		/* enable and set the channel status audio/data flag */
2783 		if (codec->spdif_status_reset &&
2784 		(spdif->ctls & AC_DIG1_ENABLE)) {
2785 			snd_hda_codec_write(codec,
2786 					nvhdmi_con_nids_7x[i],
2787 					0,
2788 					AC_VERB_SET_DIGI_CONVERT_1,
2789 					spdif->ctls & 0xff);
2790 			snd_hda_codec_write(codec,
2791 					nvhdmi_con_nids_7x[i],
2792 					0,
2793 					AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2794 		}
2795 	}
2796 
2797 	nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2798 
2799 	mutex_unlock(&codec->spdif_mutex);
2800 	return 0;
2801 }
2802 
2803 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2804 	.substreams = 1,
2805 	.channels_min = 2,
2806 	.channels_max = 8,
2807 	.nid = nvhdmi_master_con_nid_7x,
2808 	.rates = SUPPORTED_RATES,
2809 	.maxbps = SUPPORTED_MAXBPS,
2810 	.formats = SUPPORTED_FORMATS,
2811 	.ops = {
2812 		.open = simple_playback_pcm_open,
2813 		.close = nvhdmi_8ch_7x_pcm_close,
2814 		.prepare = nvhdmi_8ch_7x_pcm_prepare
2815 	},
2816 };
2817 
2818 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2819 {
2820 	struct hdmi_spec *spec;
2821 	int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2822 				    nvhdmi_master_pin_nid_7x);
2823 	if (err < 0)
2824 		return err;
2825 
2826 	codec->patch_ops.init = nvhdmi_7x_init_2ch;
2827 	/* override the PCM rates, etc, as the codec doesn't give full list */
2828 	spec = codec->spec;
2829 	spec->pcm_playback.rates = SUPPORTED_RATES;
2830 	spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2831 	spec->pcm_playback.formats = SUPPORTED_FORMATS;
2832 	return 0;
2833 }
2834 
2835 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2836 {
2837 	struct hdmi_spec *spec = codec->spec;
2838 	int err = simple_playback_build_pcms(codec);
2839 	if (!err) {
2840 		struct hda_pcm *info = get_pcm_rec(spec, 0);
2841 		info->own_chmap = true;
2842 	}
2843 	return err;
2844 }
2845 
2846 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2847 {
2848 	struct hdmi_spec *spec = codec->spec;
2849 	struct hda_pcm *info;
2850 	struct snd_pcm_chmap *chmap;
2851 	int err;
2852 
2853 	err = simple_playback_build_controls(codec);
2854 	if (err < 0)
2855 		return err;
2856 
2857 	/* add channel maps */
2858 	info = get_pcm_rec(spec, 0);
2859 	err = snd_pcm_add_chmap_ctls(info->pcm,
2860 				     SNDRV_PCM_STREAM_PLAYBACK,
2861 				     snd_pcm_alt_chmaps, 8, 0, &chmap);
2862 	if (err < 0)
2863 		return err;
2864 	switch (codec->preset->id) {
2865 	case 0x10de0002:
2866 	case 0x10de0003:
2867 	case 0x10de0005:
2868 	case 0x10de0006:
2869 		chmap->channel_mask = (1U << 2) | (1U << 8);
2870 		break;
2871 	case 0x10de0007:
2872 		chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2873 	}
2874 	return 0;
2875 }
2876 
2877 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2878 {
2879 	struct hdmi_spec *spec;
2880 	int err = patch_nvhdmi_2ch(codec);
2881 	if (err < 0)
2882 		return err;
2883 	spec = codec->spec;
2884 	spec->multiout.max_channels = 8;
2885 	spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2886 	codec->patch_ops.init = nvhdmi_7x_init_8ch;
2887 	codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2888 	codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2889 
2890 	/* Initialize the audio infoframe channel mask and checksum to something
2891 	 * valid */
2892 	nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2893 
2894 	return 0;
2895 }
2896 
2897 /*
2898  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2899  * - 0x10de0015
2900  * - 0x10de0040
2901  */
2902 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
2903 						    int channels)
2904 {
2905 	if (cap->ca_index == 0x00 && channels == 2)
2906 		return SNDRV_CTL_TLVT_CHMAP_FIXED;
2907 
2908 	return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
2909 }
2910 
2911 static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
2912 {
2913 	if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2914 		return -EINVAL;
2915 
2916 	return 0;
2917 }
2918 
2919 static int patch_nvhdmi(struct hda_codec *codec)
2920 {
2921 	struct hdmi_spec *spec;
2922 	int err;
2923 
2924 	err = patch_generic_hdmi(codec);
2925 	if (err)
2926 		return err;
2927 
2928 	spec = codec->spec;
2929 	spec->dyn_pin_out = true;
2930 
2931 	spec->ops.chmap_cea_alloc_validate_get_type =
2932 		nvhdmi_chmap_cea_alloc_validate_get_type;
2933 	spec->ops.chmap_validate = nvhdmi_chmap_validate;
2934 
2935 	return 0;
2936 }
2937 
2938 /*
2939  * ATI/AMD-specific implementations
2940  */
2941 
2942 #define is_amdhdmi_rev3_or_later(codec) \
2943 	((codec)->vendor_id == 0x1002aa01 && ((codec)->revision_id & 0xff00) >= 0x0300)
2944 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
2945 
2946 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
2947 #define ATI_VERB_SET_CHANNEL_ALLOCATION	0x771
2948 #define ATI_VERB_SET_DOWNMIX_INFO	0x772
2949 #define ATI_VERB_SET_MULTICHANNEL_01	0x777
2950 #define ATI_VERB_SET_MULTICHANNEL_23	0x778
2951 #define ATI_VERB_SET_MULTICHANNEL_45	0x779
2952 #define ATI_VERB_SET_MULTICHANNEL_67	0x77a
2953 #define ATI_VERB_SET_HBR_CONTROL	0x77c
2954 #define ATI_VERB_SET_MULTICHANNEL_1	0x785
2955 #define ATI_VERB_SET_MULTICHANNEL_3	0x786
2956 #define ATI_VERB_SET_MULTICHANNEL_5	0x787
2957 #define ATI_VERB_SET_MULTICHANNEL_7	0x788
2958 #define ATI_VERB_SET_MULTICHANNEL_MODE	0x789
2959 #define ATI_VERB_GET_CHANNEL_ALLOCATION	0xf71
2960 #define ATI_VERB_GET_DOWNMIX_INFO	0xf72
2961 #define ATI_VERB_GET_MULTICHANNEL_01	0xf77
2962 #define ATI_VERB_GET_MULTICHANNEL_23	0xf78
2963 #define ATI_VERB_GET_MULTICHANNEL_45	0xf79
2964 #define ATI_VERB_GET_MULTICHANNEL_67	0xf7a
2965 #define ATI_VERB_GET_HBR_CONTROL	0xf7c
2966 #define ATI_VERB_GET_MULTICHANNEL_1	0xf85
2967 #define ATI_VERB_GET_MULTICHANNEL_3	0xf86
2968 #define ATI_VERB_GET_MULTICHANNEL_5	0xf87
2969 #define ATI_VERB_GET_MULTICHANNEL_7	0xf88
2970 #define ATI_VERB_GET_MULTICHANNEL_MODE	0xf89
2971 
2972 /* AMD specific HDA cvt verbs */
2973 #define ATI_VERB_SET_RAMP_RATE		0x770
2974 #define ATI_VERB_GET_RAMP_RATE		0xf70
2975 
2976 #define ATI_OUT_ENABLE 0x1
2977 
2978 #define ATI_MULTICHANNEL_MODE_PAIRED	0
2979 #define ATI_MULTICHANNEL_MODE_SINGLE	1
2980 
2981 #define ATI_HBR_CAPABLE 0x01
2982 #define ATI_HBR_ENABLE 0x10
2983 
2984 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
2985 			   unsigned char *buf, int *eld_size)
2986 {
2987 	/* call hda_eld.c ATI/AMD-specific function */
2988 	return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
2989 				    is_amdhdmi_rev3_or_later(codec));
2990 }
2991 
2992 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
2993 					int active_channels, int conn_type)
2994 {
2995 	snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
2996 }
2997 
2998 static int atihdmi_paired_swap_fc_lfe(int pos)
2999 {
3000 	/*
3001 	 * ATI/AMD have automatic FC/LFE swap built-in
3002 	 * when in pairwise mapping mode.
3003 	 */
3004 
3005 	switch (pos) {
3006 		/* see channel_allocations[].speakers[] */
3007 		case 2: return 3;
3008 		case 3: return 2;
3009 		default: break;
3010 	}
3011 
3012 	return pos;
3013 }
3014 
3015 static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
3016 {
3017 	struct cea_channel_speaker_allocation *cap;
3018 	int i, j;
3019 
3020 	/* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3021 
3022 	cap = &channel_allocations[get_channel_allocation_order(ca)];
3023 	for (i = 0; i < chs; ++i) {
3024 		int mask = to_spk_mask(map[i]);
3025 		bool ok = false;
3026 		bool companion_ok = false;
3027 
3028 		if (!mask)
3029 			continue;
3030 
3031 		for (j = 0 + i % 2; j < 8; j += 2) {
3032 			int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3033 			if (cap->speakers[chan_idx] == mask) {
3034 				/* channel is in a supported position */
3035 				ok = true;
3036 
3037 				if (i % 2 == 0 && i + 1 < chs) {
3038 					/* even channel, check the odd companion */
3039 					int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3040 					int comp_mask_req = to_spk_mask(map[i+1]);
3041 					int comp_mask_act = cap->speakers[comp_chan_idx];
3042 
3043 					if (comp_mask_req == comp_mask_act)
3044 						companion_ok = true;
3045 					else
3046 						return -EINVAL;
3047 				}
3048 				break;
3049 			}
3050 		}
3051 
3052 		if (!ok)
3053 			return -EINVAL;
3054 
3055 		if (companion_ok)
3056 			i++; /* companion channel already checked */
3057 	}
3058 
3059 	return 0;
3060 }
3061 
3062 static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3063 					int hdmi_slot, int stream_channel)
3064 {
3065 	int verb;
3066 	int ati_channel_setup = 0;
3067 
3068 	if (hdmi_slot > 7)
3069 		return -EINVAL;
3070 
3071 	if (!has_amd_full_remap_support(codec)) {
3072 		hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3073 
3074 		/* In case this is an odd slot but without stream channel, do not
3075 		 * disable the slot since the corresponding even slot could have a
3076 		 * channel. In case neither have a channel, the slot pair will be
3077 		 * disabled when this function is called for the even slot. */
3078 		if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3079 			return 0;
3080 
3081 		hdmi_slot -= hdmi_slot % 2;
3082 
3083 		if (stream_channel != 0xf)
3084 			stream_channel -= stream_channel % 2;
3085 	}
3086 
3087 	verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3088 
3089 	/* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3090 
3091 	if (stream_channel != 0xf)
3092 		ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3093 
3094 	return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3095 }
3096 
3097 static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3098 					int asp_slot)
3099 {
3100 	bool was_odd = false;
3101 	int ati_asp_slot = asp_slot;
3102 	int verb;
3103 	int ati_channel_setup;
3104 
3105 	if (asp_slot > 7)
3106 		return -EINVAL;
3107 
3108 	if (!has_amd_full_remap_support(codec)) {
3109 		ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3110 		if (ati_asp_slot % 2 != 0) {
3111 			ati_asp_slot -= 1;
3112 			was_odd = true;
3113 		}
3114 	}
3115 
3116 	verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3117 
3118 	ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3119 
3120 	if (!(ati_channel_setup & ATI_OUT_ENABLE))
3121 		return 0xf;
3122 
3123 	return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3124 }
3125 
3126 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
3127 							    int channels)
3128 {
3129 	int c;
3130 
3131 	/*
3132 	 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3133 	 * we need to take that into account (a single channel may take 2
3134 	 * channel slots if we need to carry a silent channel next to it).
3135 	 * On Rev3+ AMD codecs this function is not used.
3136 	 */
3137 	int chanpairs = 0;
3138 
3139 	/* We only produce even-numbered channel count TLVs */
3140 	if ((channels % 2) != 0)
3141 		return -1;
3142 
3143 	for (c = 0; c < 7; c += 2) {
3144 		if (cap->speakers[c] || cap->speakers[c+1])
3145 			chanpairs++;
3146 	}
3147 
3148 	if (chanpairs * 2 != channels)
3149 		return -1;
3150 
3151 	return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3152 }
3153 
3154 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
3155 						  unsigned int *chmap, int channels)
3156 {
3157 	/* produce paired maps for pre-rev3 ATI/AMD codecs */
3158 	int count = 0;
3159 	int c;
3160 
3161 	for (c = 7; c >= 0; c--) {
3162 		int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3163 		int spk = cap->speakers[chan];
3164 		if (!spk) {
3165 			/* add N/A channel if the companion channel is occupied */
3166 			if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3167 				chmap[count++] = SNDRV_CHMAP_NA;
3168 
3169 			continue;
3170 		}
3171 
3172 		chmap[count++] = spk_to_chmap(spk);
3173 	}
3174 
3175 	WARN_ON(count != channels);
3176 }
3177 
3178 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3179 				 bool hbr)
3180 {
3181 	int hbr_ctl, hbr_ctl_new;
3182 
3183 	hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3184 	if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3185 		if (hbr)
3186 			hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3187 		else
3188 			hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3189 
3190 		codec_dbg(codec,
3191 			  "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3192 				pin_nid,
3193 				hbr_ctl == hbr_ctl_new ? "" : "new-",
3194 				hbr_ctl_new);
3195 
3196 		if (hbr_ctl != hbr_ctl_new)
3197 			snd_hda_codec_write(codec, pin_nid, 0,
3198 						ATI_VERB_SET_HBR_CONTROL,
3199 						hbr_ctl_new);
3200 
3201 	} else if (hbr)
3202 		return -EINVAL;
3203 
3204 	return 0;
3205 }
3206 
3207 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3208 				hda_nid_t pin_nid, u32 stream_tag, int format)
3209 {
3210 
3211 	if (is_amdhdmi_rev3_or_later(codec)) {
3212 		int ramp_rate = 180; /* default as per AMD spec */
3213 		/* disable ramp-up/down for non-pcm as per AMD spec */
3214 		if (format & AC_FMT_TYPE_NON_PCM)
3215 			ramp_rate = 0;
3216 
3217 		snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3218 	}
3219 
3220 	return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3221 }
3222 
3223 
3224 static int atihdmi_init(struct hda_codec *codec)
3225 {
3226 	struct hdmi_spec *spec = codec->spec;
3227 	int pin_idx, err;
3228 
3229 	err = generic_hdmi_init(codec);
3230 
3231 	if (err)
3232 		return err;
3233 
3234 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3235 		struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3236 
3237 		/* make sure downmix information in infoframe is zero */
3238 		snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3239 
3240 		/* enable channel-wise remap mode if supported */
3241 		if (has_amd_full_remap_support(codec))
3242 			snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3243 					    ATI_VERB_SET_MULTICHANNEL_MODE,
3244 					    ATI_MULTICHANNEL_MODE_SINGLE);
3245 	}
3246 
3247 	return 0;
3248 }
3249 
3250 static int patch_atihdmi(struct hda_codec *codec)
3251 {
3252 	struct hdmi_spec *spec;
3253 	struct hdmi_spec_per_cvt *per_cvt;
3254 	int err, cvt_idx;
3255 
3256 	err = patch_generic_hdmi(codec);
3257 
3258 	if (err)
3259 		return err;
3260 
3261 	codec->patch_ops.init = atihdmi_init;
3262 
3263 	spec = codec->spec;
3264 
3265 	spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3266 	spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3267 	spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3268 	spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3269 	spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3270 	spec->ops.setup_stream = atihdmi_setup_stream;
3271 
3272 	if (!has_amd_full_remap_support(codec)) {
3273 		/* override to ATI/AMD-specific versions with pairwise mapping */
3274 		spec->ops.chmap_cea_alloc_validate_get_type =
3275 			atihdmi_paired_chmap_cea_alloc_validate_get_type;
3276 		spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
3277 		spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
3278 	}
3279 
3280 	/* ATI/AMD converters do not advertise all of their capabilities */
3281 	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3282 		per_cvt = get_cvt(spec, cvt_idx);
3283 		per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3284 		per_cvt->rates |= SUPPORTED_RATES;
3285 		per_cvt->formats |= SUPPORTED_FORMATS;
3286 		per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3287 	}
3288 
3289 	spec->channels_max = max(spec->channels_max, 8u);
3290 
3291 	return 0;
3292 }
3293 
3294 /* VIA HDMI Implementation */
3295 #define VIAHDMI_CVT_NID	0x02	/* audio converter1 */
3296 #define VIAHDMI_PIN_NID	0x03	/* HDMI output pin1 */
3297 
3298 static int patch_via_hdmi(struct hda_codec *codec)
3299 {
3300 	return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3301 }
3302 
3303 /*
3304  * called from hda_codec.c for generic HDMI support
3305  */
3306 int snd_hda_parse_hdmi_codec(struct hda_codec *codec)
3307 {
3308 	return patch_generic_hdmi(codec);
3309 }
3310 EXPORT_SYMBOL_GPL(snd_hda_parse_hdmi_codec);
3311 
3312 /*
3313  * patch entries
3314  */
3315 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
3316 { .id = 0x1002793c, .name = "RS600 HDMI",	.patch = patch_atihdmi },
3317 { .id = 0x10027919, .name = "RS600 HDMI",	.patch = patch_atihdmi },
3318 { .id = 0x1002791a, .name = "RS690/780 HDMI",	.patch = patch_atihdmi },
3319 { .id = 0x1002aa01, .name = "R6xx HDMI",	.patch = patch_atihdmi },
3320 { .id = 0x10951390, .name = "SiI1390 HDMI",	.patch = patch_generic_hdmi },
3321 { .id = 0x10951392, .name = "SiI1392 HDMI",	.patch = patch_generic_hdmi },
3322 { .id = 0x17e80047, .name = "Chrontel HDMI",	.patch = patch_generic_hdmi },
3323 { .id = 0x10de0002, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3324 { .id = 0x10de0003, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3325 { .id = 0x10de0005, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3326 { .id = 0x10de0006, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x },
3327 { .id = 0x10de0007, .name = "MCP79/7A HDMI",	.patch = patch_nvhdmi_8ch_7x },
3328 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",	.patch = patch_nvhdmi },
3329 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",	.patch = patch_nvhdmi },
3330 { .id = 0x10de000c, .name = "MCP89 HDMI",	.patch = patch_nvhdmi },
3331 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",	.patch = patch_nvhdmi },
3332 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",	.patch = patch_nvhdmi },
3333 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",	.patch = patch_nvhdmi },
3334 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",	.patch = patch_nvhdmi },
3335 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",	.patch = patch_nvhdmi },
3336 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",	.patch = patch_nvhdmi },
3337 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",	.patch = patch_nvhdmi },
3338 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",	.patch = patch_nvhdmi },
3339 /* 17 is known to be absent */
3340 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",	.patch = patch_nvhdmi },
3341 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",	.patch = patch_nvhdmi },
3342 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",	.patch = patch_nvhdmi },
3343 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",	.patch = patch_nvhdmi },
3344 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",	.patch = patch_nvhdmi },
3345 { .id = 0x10de0028, .name = "Tegra12x HDMI",	.patch = patch_nvhdmi },
3346 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",	.patch = patch_nvhdmi },
3347 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",	.patch = patch_nvhdmi },
3348 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",	.patch = patch_nvhdmi },
3349 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",	.patch = patch_nvhdmi },
3350 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",	.patch = patch_nvhdmi },
3351 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",	.patch = patch_nvhdmi },
3352 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP",	.patch = patch_nvhdmi },
3353 { .id = 0x10de0067, .name = "MCP67 HDMI",	.patch = patch_nvhdmi_2ch },
3354 { .id = 0x10de0070, .name = "GPU 70 HDMI/DP",	.patch = patch_nvhdmi },
3355 { .id = 0x10de0071, .name = "GPU 71 HDMI/DP",	.patch = patch_nvhdmi },
3356 { .id = 0x10de0072, .name = "GPU 72 HDMI/DP",	.patch = patch_nvhdmi },
3357 { .id = 0x10de8001, .name = "MCP73 HDMI",	.patch = patch_nvhdmi_2ch },
3358 { .id = 0x11069f80, .name = "VX900 HDMI/DP",	.patch = patch_via_hdmi },
3359 { .id = 0x11069f81, .name = "VX900 HDMI/DP",	.patch = patch_via_hdmi },
3360 { .id = 0x11069f84, .name = "VX11 HDMI/DP",	.patch = patch_generic_hdmi },
3361 { .id = 0x11069f85, .name = "VX11 HDMI/DP",	.patch = patch_generic_hdmi },
3362 { .id = 0x80860054, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi },
3363 { .id = 0x80862801, .name = "Bearlake HDMI",	.patch = patch_generic_hdmi },
3364 { .id = 0x80862802, .name = "Cantiga HDMI",	.patch = patch_generic_hdmi },
3365 { .id = 0x80862803, .name = "Eaglelake HDMI",	.patch = patch_generic_hdmi },
3366 { .id = 0x80862804, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi },
3367 { .id = 0x80862805, .name = "CougarPoint HDMI",	.patch = patch_generic_hdmi },
3368 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
3369 { .id = 0x80862807, .name = "Haswell HDMI",	.patch = patch_generic_hdmi },
3370 { .id = 0x80862808, .name = "Broadwell HDMI",	.patch = patch_generic_hdmi },
3371 { .id = 0x80862809, .name = "Skylake HDMI",	.patch = patch_generic_hdmi },
3372 { .id = 0x80862880, .name = "CedarTrail HDMI",	.patch = patch_generic_hdmi },
3373 { .id = 0x80862882, .name = "Valleyview2 HDMI",	.patch = patch_generic_hdmi },
3374 { .id = 0x80862883, .name = "Braswell HDMI",	.patch = patch_generic_hdmi },
3375 { .id = 0x808629fb, .name = "Crestline HDMI",	.patch = patch_generic_hdmi },
3376 {} /* terminator */
3377 };
3378 
3379 MODULE_ALIAS("snd-hda-codec-id:1002793c");
3380 MODULE_ALIAS("snd-hda-codec-id:10027919");
3381 MODULE_ALIAS("snd-hda-codec-id:1002791a");
3382 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
3383 MODULE_ALIAS("snd-hda-codec-id:10951390");
3384 MODULE_ALIAS("snd-hda-codec-id:10951392");
3385 MODULE_ALIAS("snd-hda-codec-id:10de0002");
3386 MODULE_ALIAS("snd-hda-codec-id:10de0003");
3387 MODULE_ALIAS("snd-hda-codec-id:10de0005");
3388 MODULE_ALIAS("snd-hda-codec-id:10de0006");
3389 MODULE_ALIAS("snd-hda-codec-id:10de0007");
3390 MODULE_ALIAS("snd-hda-codec-id:10de000a");
3391 MODULE_ALIAS("snd-hda-codec-id:10de000b");
3392 MODULE_ALIAS("snd-hda-codec-id:10de000c");
3393 MODULE_ALIAS("snd-hda-codec-id:10de000d");
3394 MODULE_ALIAS("snd-hda-codec-id:10de0010");
3395 MODULE_ALIAS("snd-hda-codec-id:10de0011");
3396 MODULE_ALIAS("snd-hda-codec-id:10de0012");
3397 MODULE_ALIAS("snd-hda-codec-id:10de0013");
3398 MODULE_ALIAS("snd-hda-codec-id:10de0014");
3399 MODULE_ALIAS("snd-hda-codec-id:10de0015");
3400 MODULE_ALIAS("snd-hda-codec-id:10de0016");
3401 MODULE_ALIAS("snd-hda-codec-id:10de0018");
3402 MODULE_ALIAS("snd-hda-codec-id:10de0019");
3403 MODULE_ALIAS("snd-hda-codec-id:10de001a");
3404 MODULE_ALIAS("snd-hda-codec-id:10de001b");
3405 MODULE_ALIAS("snd-hda-codec-id:10de001c");
3406 MODULE_ALIAS("snd-hda-codec-id:10de0028");
3407 MODULE_ALIAS("snd-hda-codec-id:10de0040");
3408 MODULE_ALIAS("snd-hda-codec-id:10de0041");
3409 MODULE_ALIAS("snd-hda-codec-id:10de0042");
3410 MODULE_ALIAS("snd-hda-codec-id:10de0043");
3411 MODULE_ALIAS("snd-hda-codec-id:10de0044");
3412 MODULE_ALIAS("snd-hda-codec-id:10de0051");
3413 MODULE_ALIAS("snd-hda-codec-id:10de0060");
3414 MODULE_ALIAS("snd-hda-codec-id:10de0067");
3415 MODULE_ALIAS("snd-hda-codec-id:10de0070");
3416 MODULE_ALIAS("snd-hda-codec-id:10de0071");
3417 MODULE_ALIAS("snd-hda-codec-id:10de0072");
3418 MODULE_ALIAS("snd-hda-codec-id:10de8001");
3419 MODULE_ALIAS("snd-hda-codec-id:11069f80");
3420 MODULE_ALIAS("snd-hda-codec-id:11069f81");
3421 MODULE_ALIAS("snd-hda-codec-id:11069f84");
3422 MODULE_ALIAS("snd-hda-codec-id:11069f85");
3423 MODULE_ALIAS("snd-hda-codec-id:17e80047");
3424 MODULE_ALIAS("snd-hda-codec-id:80860054");
3425 MODULE_ALIAS("snd-hda-codec-id:80862801");
3426 MODULE_ALIAS("snd-hda-codec-id:80862802");
3427 MODULE_ALIAS("snd-hda-codec-id:80862803");
3428 MODULE_ALIAS("snd-hda-codec-id:80862804");
3429 MODULE_ALIAS("snd-hda-codec-id:80862805");
3430 MODULE_ALIAS("snd-hda-codec-id:80862806");
3431 MODULE_ALIAS("snd-hda-codec-id:80862807");
3432 MODULE_ALIAS("snd-hda-codec-id:80862808");
3433 MODULE_ALIAS("snd-hda-codec-id:80862809");
3434 MODULE_ALIAS("snd-hda-codec-id:80862880");
3435 MODULE_ALIAS("snd-hda-codec-id:80862882");
3436 MODULE_ALIAS("snd-hda-codec-id:80862883");
3437 MODULE_ALIAS("snd-hda-codec-id:808629fb");
3438 
3439 MODULE_LICENSE("GPL");
3440 MODULE_DESCRIPTION("HDMI HD-audio codec");
3441 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3442 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3443 MODULE_ALIAS("snd-hda-codec-atihdmi");
3444 
3445 static struct hda_codec_preset_list intel_list = {
3446 	.preset = snd_hda_preset_hdmi,
3447 	.owner = THIS_MODULE,
3448 };
3449 
3450 static int __init patch_hdmi_init(void)
3451 {
3452 	return snd_hda_add_codec_preset(&intel_list);
3453 }
3454 
3455 static void __exit patch_hdmi_exit(void)
3456 {
3457 	snd_hda_delete_codec_preset(&intel_list);
3458 }
3459 
3460 module_init(patch_hdmi_init)
3461 module_exit(patch_hdmi_exit)
3462