These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / sound / pci / hda / patch_hdmi.c
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 <sound/hdaudio.h>
41 #include <sound/hda_i915.h>
42 #include "hda_codec.h"
43 #include "hda_local.h"
44 #include "hda_jack.h"
45
46 static bool static_hdmi_pcm;
47 module_param(static_hdmi_pcm, bool, 0644);
48 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
49
50 #define is_haswell(codec)  ((codec)->core.vendor_id == 0x80862807)
51 #define is_broadwell(codec)    ((codec)->core.vendor_id == 0x80862808)
52 #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
53 #define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
54 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
55                                 || is_skylake(codec) || is_broxton(codec))
56
57 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
58 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
59 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
60
61 struct hdmi_spec_per_cvt {
62         hda_nid_t cvt_nid;
63         int assigned;
64         unsigned int channels_min;
65         unsigned int channels_max;
66         u32 rates;
67         u64 formats;
68         unsigned int maxbps;
69 };
70
71 /* max. connections to a widget */
72 #define HDA_MAX_CONNECTIONS     32
73
74 struct hdmi_spec_per_pin {
75         hda_nid_t pin_nid;
76         int num_mux_nids;
77         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
78         int mux_idx;
79         hda_nid_t cvt_nid;
80
81         struct hda_codec *codec;
82         struct hdmi_eld sink_eld;
83         struct mutex lock;
84         struct delayed_work work;
85         struct snd_kcontrol *eld_ctl;
86         int repoll_count;
87         bool setup; /* the stream has been set up by prepare callback */
88         int channels; /* current number of channels */
89         bool non_pcm;
90         bool chmap_set;         /* channel-map override by ALSA API? */
91         unsigned char chmap[8]; /* ALSA API channel-map */
92 #ifdef CONFIG_SND_PROC_FS
93         struct snd_info_entry *proc_entry;
94 #endif
95 };
96
97 struct cea_channel_speaker_allocation;
98
99 /* operations used by generic code that can be overridden by patches */
100 struct hdmi_ops {
101         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
102                            unsigned char *buf, int *eld_size);
103
104         /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
105         int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
106                                     int asp_slot);
107         int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
108                                     int asp_slot, int channel);
109
110         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
111                                     int ca, int active_channels, int conn_type);
112
113         /* enable/disable HBR (HD passthrough) */
114         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
115
116         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
117                             hda_nid_t pin_nid, u32 stream_tag, int format);
118
119         /* Helpers for producing the channel map TLVs. These can be overridden
120          * for devices that have non-standard mapping requirements. */
121         int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap,
122                                                  int channels);
123         void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap,
124                                        unsigned int *chmap, int channels);
125
126         /* check that the user-given chmap is supported */
127         int (*chmap_validate)(int ca, int channels, unsigned char *chmap);
128 };
129
130 struct hdmi_spec {
131         int num_cvts;
132         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
133         hda_nid_t cvt_nids[4]; /* only for haswell fix */
134
135         int num_pins;
136         struct snd_array pins; /* struct hdmi_spec_per_pin */
137         struct hda_pcm *pcm_rec[16];
138         unsigned int channels_max; /* max over all cvts */
139
140         struct hdmi_eld temp_eld;
141         struct hdmi_ops ops;
142
143         bool dyn_pin_out;
144
145         /*
146          * Non-generic VIA/NVIDIA specific
147          */
148         struct hda_multi_out multiout;
149         struct hda_pcm_stream pcm_playback;
150
151         /* i915/powerwell (Haswell+/Valleyview+) specific */
152         struct i915_audio_component_audio_ops i915_audio_ops;
153 };
154
155
156 struct hdmi_audio_infoframe {
157         u8 type; /* 0x84 */
158         u8 ver;  /* 0x01 */
159         u8 len;  /* 0x0a */
160
161         u8 checksum;
162
163         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
164         u8 SS01_SF24;
165         u8 CXT04;
166         u8 CA;
167         u8 LFEPBL01_LSV36_DM_INH7;
168 };
169
170 struct dp_audio_infoframe {
171         u8 type; /* 0x84 */
172         u8 len;  /* 0x1b */
173         u8 ver;  /* 0x11 << 2 */
174
175         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
176         u8 SS01_SF24;
177         u8 CXT04;
178         u8 CA;
179         u8 LFEPBL01_LSV36_DM_INH7;
180 };
181
182 union audio_infoframe {
183         struct hdmi_audio_infoframe hdmi;
184         struct dp_audio_infoframe dp;
185         u8 bytes[0];
186 };
187
188 /*
189  * CEA speaker placement:
190  *
191  *        FLH       FCH        FRH
192  *  FLW    FL  FLC   FC   FRC   FR   FRW
193  *
194  *                                  LFE
195  *                     TC
196  *
197  *          RL  RLC   RC   RRC   RR
198  *
199  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
200  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
201  */
202 enum cea_speaker_placement {
203         FL  = (1 <<  0),        /* Front Left           */
204         FC  = (1 <<  1),        /* Front Center         */
205         FR  = (1 <<  2),        /* Front Right          */
206         FLC = (1 <<  3),        /* Front Left Center    */
207         FRC = (1 <<  4),        /* Front Right Center   */
208         RL  = (1 <<  5),        /* Rear Left            */
209         RC  = (1 <<  6),        /* Rear Center          */
210         RR  = (1 <<  7),        /* Rear Right           */
211         RLC = (1 <<  8),        /* Rear Left Center     */
212         RRC = (1 <<  9),        /* Rear Right Center    */
213         LFE = (1 << 10),        /* Low Frequency Effect */
214         FLW = (1 << 11),        /* Front Left Wide      */
215         FRW = (1 << 12),        /* Front Right Wide     */
216         FLH = (1 << 13),        /* Front Left High      */
217         FCH = (1 << 14),        /* Front Center High    */
218         FRH = (1 << 15),        /* Front Right High     */
219         TC  = (1 << 16),        /* Top Center           */
220 };
221
222 /*
223  * ELD SA bits in the CEA Speaker Allocation data block
224  */
225 static int eld_speaker_allocation_bits[] = {
226         [0] = FL | FR,
227         [1] = LFE,
228         [2] = FC,
229         [3] = RL | RR,
230         [4] = RC,
231         [5] = FLC | FRC,
232         [6] = RLC | RRC,
233         /* the following are not defined in ELD yet */
234         [7] = FLW | FRW,
235         [8] = FLH | FRH,
236         [9] = TC,
237         [10] = FCH,
238 };
239
240 struct cea_channel_speaker_allocation {
241         int ca_index;
242         int speakers[8];
243
244         /* derived values, just for convenience */
245         int channels;
246         int spk_mask;
247 };
248
249 /*
250  * ALSA sequence is:
251  *
252  *       surround40   surround41   surround50   surround51   surround71
253  * ch0   front left   =            =            =            =
254  * ch1   front right  =            =            =            =
255  * ch2   rear left    =            =            =            =
256  * ch3   rear right   =            =            =            =
257  * ch4                LFE          center       center       center
258  * ch5                                          LFE          LFE
259  * ch6                                                       side left
260  * ch7                                                       side right
261  *
262  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
263  */
264 static int hdmi_channel_mapping[0x32][8] = {
265         /* stereo */
266         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
267         /* 2.1 */
268         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
269         /* Dolby Surround */
270         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
271         /* surround40 */
272         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
273         /* 4ch */
274         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
275         /* surround41 */
276         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
277         /* surround50 */
278         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
279         /* surround51 */
280         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
281         /* 7.1 */
282         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
283 };
284
285 /*
286  * This is an ordered list!
287  *
288  * The preceding ones have better chances to be selected by
289  * hdmi_channel_allocation().
290  */
291 static struct cea_channel_speaker_allocation channel_allocations[] = {
292 /*                        channel:   7     6    5    4    3     2    1    0  */
293 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
294                                  /* 2.1 */
295 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
296                                  /* Dolby Surround */
297 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
298                                  /* surround40 */
299 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
300                                  /* surround41 */
301 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
302                                  /* surround50 */
303 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
304                                  /* surround51 */
305 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
306                                  /* 6.1 */
307 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
308                                  /* surround71 */
309 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
310
311 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
312 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
313 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
314 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
315 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
316 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
317 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
318 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
319 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
320 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
321 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
322 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
323 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
324 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
325 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
326 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
327 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
328 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
329 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
330 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
331 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
332 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
333 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
334 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
335 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
336 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
337 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
338 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
339 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
340 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
341 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
342 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
343 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
344 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
345 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
346 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
347 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
348 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
349 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
350 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
351 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
352 };
353
354
355 /*
356  * HDMI routines
357  */
358
359 #define get_pin(spec, idx) \
360         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
361 #define get_cvt(spec, idx) \
362         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
363 #define get_pcm_rec(spec, idx)  ((spec)->pcm_rec[idx])
364
365 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
366 {
367         struct hdmi_spec *spec = codec->spec;
368         int pin_idx;
369
370         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
371                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
372                         return pin_idx;
373
374         codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
375         return -EINVAL;
376 }
377
378 static int hinfo_to_pin_index(struct hda_codec *codec,
379                               struct hda_pcm_stream *hinfo)
380 {
381         struct hdmi_spec *spec = codec->spec;
382         int pin_idx;
383
384         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
385                 if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
386                         return pin_idx;
387
388         codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
389         return -EINVAL;
390 }
391
392 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
393 {
394         struct hdmi_spec *spec = codec->spec;
395         int cvt_idx;
396
397         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
398                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
399                         return cvt_idx;
400
401         codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
402         return -EINVAL;
403 }
404
405 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
406                         struct snd_ctl_elem_info *uinfo)
407 {
408         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
409         struct hdmi_spec *spec = codec->spec;
410         struct hdmi_spec_per_pin *per_pin;
411         struct hdmi_eld *eld;
412         int pin_idx;
413
414         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
415
416         pin_idx = kcontrol->private_value;
417         per_pin = get_pin(spec, pin_idx);
418         eld = &per_pin->sink_eld;
419
420         mutex_lock(&per_pin->lock);
421         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
422         mutex_unlock(&per_pin->lock);
423
424         return 0;
425 }
426
427 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
428                         struct snd_ctl_elem_value *ucontrol)
429 {
430         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
431         struct hdmi_spec *spec = codec->spec;
432         struct hdmi_spec_per_pin *per_pin;
433         struct hdmi_eld *eld;
434         int pin_idx;
435
436         pin_idx = kcontrol->private_value;
437         per_pin = get_pin(spec, pin_idx);
438         eld = &per_pin->sink_eld;
439
440         mutex_lock(&per_pin->lock);
441         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
442             eld->eld_size > ELD_MAX_SIZE) {
443                 mutex_unlock(&per_pin->lock);
444                 snd_BUG();
445                 return -EINVAL;
446         }
447
448         memset(ucontrol->value.bytes.data, 0,
449                ARRAY_SIZE(ucontrol->value.bytes.data));
450         if (eld->eld_valid)
451                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
452                        eld->eld_size);
453         mutex_unlock(&per_pin->lock);
454
455         return 0;
456 }
457
458 static struct snd_kcontrol_new eld_bytes_ctl = {
459         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
460         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
461         .name = "ELD",
462         .info = hdmi_eld_ctl_info,
463         .get = hdmi_eld_ctl_get,
464 };
465
466 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
467                         int device)
468 {
469         struct snd_kcontrol *kctl;
470         struct hdmi_spec *spec = codec->spec;
471         int err;
472
473         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
474         if (!kctl)
475                 return -ENOMEM;
476         kctl->private_value = pin_idx;
477         kctl->id.device = device;
478
479         err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
480         if (err < 0)
481                 return err;
482
483         get_pin(spec, pin_idx)->eld_ctl = kctl;
484         return 0;
485 }
486
487 #ifdef BE_PARANOID
488 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
489                                 int *packet_index, int *byte_index)
490 {
491         int val;
492
493         val = snd_hda_codec_read(codec, pin_nid, 0,
494                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
495
496         *packet_index = val >> 5;
497         *byte_index = val & 0x1f;
498 }
499 #endif
500
501 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
502                                 int packet_index, int byte_index)
503 {
504         int val;
505
506         val = (packet_index << 5) | (byte_index & 0x1f);
507
508         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
509 }
510
511 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
512                                 unsigned char val)
513 {
514         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
515 }
516
517 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
518 {
519         struct hdmi_spec *spec = codec->spec;
520         int pin_out;
521
522         /* Unmute */
523         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
524                 snd_hda_codec_write(codec, pin_nid, 0,
525                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
526
527         if (spec->dyn_pin_out)
528                 /* Disable pin out until stream is active */
529                 pin_out = 0;
530         else
531                 /* Enable pin out: some machines with GM965 gets broken output
532                  * when the pin is disabled or changed while using with HDMI
533                  */
534                 pin_out = PIN_OUT;
535
536         snd_hda_codec_write(codec, pin_nid, 0,
537                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
538 }
539
540 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
541 {
542         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
543                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
544 }
545
546 static void hdmi_set_channel_count(struct hda_codec *codec,
547                                    hda_nid_t cvt_nid, int chs)
548 {
549         if (chs != hdmi_get_channel_count(codec, cvt_nid))
550                 snd_hda_codec_write(codec, cvt_nid, 0,
551                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
552 }
553
554 /*
555  * ELD proc files
556  */
557
558 #ifdef CONFIG_SND_PROC_FS
559 static void print_eld_info(struct snd_info_entry *entry,
560                            struct snd_info_buffer *buffer)
561 {
562         struct hdmi_spec_per_pin *per_pin = entry->private_data;
563
564         mutex_lock(&per_pin->lock);
565         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
566         mutex_unlock(&per_pin->lock);
567 }
568
569 static void write_eld_info(struct snd_info_entry *entry,
570                            struct snd_info_buffer *buffer)
571 {
572         struct hdmi_spec_per_pin *per_pin = entry->private_data;
573
574         mutex_lock(&per_pin->lock);
575         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
576         mutex_unlock(&per_pin->lock);
577 }
578
579 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
580 {
581         char name[32];
582         struct hda_codec *codec = per_pin->codec;
583         struct snd_info_entry *entry;
584         int err;
585
586         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
587         err = snd_card_proc_new(codec->card, name, &entry);
588         if (err < 0)
589                 return err;
590
591         snd_info_set_text_ops(entry, per_pin, print_eld_info);
592         entry->c.text.write = write_eld_info;
593         entry->mode |= S_IWUSR;
594         per_pin->proc_entry = entry;
595
596         return 0;
597 }
598
599 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
600 {
601         if (!per_pin->codec->bus->shutdown) {
602                 snd_info_free_entry(per_pin->proc_entry);
603                 per_pin->proc_entry = NULL;
604         }
605 }
606 #else
607 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
608                                int index)
609 {
610         return 0;
611 }
612 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
613 {
614 }
615 #endif
616
617 /*
618  * Channel mapping routines
619  */
620
621 /*
622  * Compute derived values in channel_allocations[].
623  */
624 static void init_channel_allocations(void)
625 {
626         int i, j;
627         struct cea_channel_speaker_allocation *p;
628
629         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
630                 p = channel_allocations + i;
631                 p->channels = 0;
632                 p->spk_mask = 0;
633                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
634                         if (p->speakers[j]) {
635                                 p->channels++;
636                                 p->spk_mask |= p->speakers[j];
637                         }
638         }
639 }
640
641 static int get_channel_allocation_order(int ca)
642 {
643         int i;
644
645         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
646                 if (channel_allocations[i].ca_index == ca)
647                         break;
648         }
649         return i;
650 }
651
652 /*
653  * The transformation takes two steps:
654  *
655  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
656  *            spk_mask => (channel_allocations[])         => ai->CA
657  *
658  * TODO: it could select the wrong CA from multiple candidates.
659 */
660 static int hdmi_channel_allocation(struct hda_codec *codec,
661                                    struct hdmi_eld *eld, int channels)
662 {
663         int i;
664         int ca = 0;
665         int spk_mask = 0;
666         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
667
668         /*
669          * CA defaults to 0 for basic stereo audio
670          */
671         if (channels <= 2)
672                 return 0;
673
674         /*
675          * expand ELD's speaker allocation mask
676          *
677          * ELD tells the speaker mask in a compact(paired) form,
678          * expand ELD's notions to match the ones used by Audio InfoFrame.
679          */
680         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
681                 if (eld->info.spk_alloc & (1 << i))
682                         spk_mask |= eld_speaker_allocation_bits[i];
683         }
684
685         /* search for the first working match in the CA table */
686         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
687                 if (channels == channel_allocations[i].channels &&
688                     (spk_mask & channel_allocations[i].spk_mask) ==
689                                 channel_allocations[i].spk_mask) {
690                         ca = channel_allocations[i].ca_index;
691                         break;
692                 }
693         }
694
695         if (!ca) {
696                 /* if there was no match, select the regular ALSA channel
697                  * allocation with the matching number of channels */
698                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
699                         if (channels == channel_allocations[i].channels) {
700                                 ca = channel_allocations[i].ca_index;
701                                 break;
702                         }
703                 }
704         }
705
706         snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
707         codec_dbg(codec, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
708                     ca, channels, buf);
709
710         return ca;
711 }
712
713 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
714                                        hda_nid_t pin_nid)
715 {
716 #ifdef CONFIG_SND_DEBUG_VERBOSE
717         struct hdmi_spec *spec = codec->spec;
718         int i;
719         int channel;
720
721         for (i = 0; i < 8; i++) {
722                 channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i);
723                 codec_dbg(codec, "HDMI: ASP channel %d => slot %d\n",
724                                                 channel, i);
725         }
726 #endif
727 }
728
729 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
730                                        hda_nid_t pin_nid,
731                                        bool non_pcm,
732                                        int ca)
733 {
734         struct hdmi_spec *spec = codec->spec;
735         struct cea_channel_speaker_allocation *ch_alloc;
736         int i;
737         int err;
738         int order;
739         int non_pcm_mapping[8];
740
741         order = get_channel_allocation_order(ca);
742         ch_alloc = &channel_allocations[order];
743
744         if (hdmi_channel_mapping[ca][1] == 0) {
745                 int hdmi_slot = 0;
746                 /* fill actual channel mappings in ALSA channel (i) order */
747                 for (i = 0; i < ch_alloc->channels; i++) {
748                         while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
749                                 hdmi_slot++; /* skip zero slots */
750
751                         hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
752                 }
753                 /* fill the rest of the slots with ALSA channel 0xf */
754                 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
755                         if (!ch_alloc->speakers[7 - hdmi_slot])
756                                 hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
757         }
758
759         if (non_pcm) {
760                 for (i = 0; i < ch_alloc->channels; i++)
761                         non_pcm_mapping[i] = (i << 4) | i;
762                 for (; i < 8; i++)
763                         non_pcm_mapping[i] = (0xf << 4) | i;
764         }
765
766         for (i = 0; i < 8; i++) {
767                 int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
768                 int hdmi_slot = slotsetup & 0x0f;
769                 int channel = (slotsetup & 0xf0) >> 4;
770                 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel);
771                 if (err) {
772                         codec_dbg(codec, "HDMI: channel mapping failed\n");
773                         break;
774                 }
775         }
776 }
777
778 struct channel_map_table {
779         unsigned char map;              /* ALSA API channel map position */
780         int spk_mask;                   /* speaker position bit mask */
781 };
782
783 static struct channel_map_table map_tables[] = {
784         { SNDRV_CHMAP_FL,       FL },
785         { SNDRV_CHMAP_FR,       FR },
786         { SNDRV_CHMAP_RL,       RL },
787         { SNDRV_CHMAP_RR,       RR },
788         { SNDRV_CHMAP_LFE,      LFE },
789         { SNDRV_CHMAP_FC,       FC },
790         { SNDRV_CHMAP_RLC,      RLC },
791         { SNDRV_CHMAP_RRC,      RRC },
792         { SNDRV_CHMAP_RC,       RC },
793         { SNDRV_CHMAP_FLC,      FLC },
794         { SNDRV_CHMAP_FRC,      FRC },
795         { SNDRV_CHMAP_TFL,      FLH },
796         { SNDRV_CHMAP_TFR,      FRH },
797         { SNDRV_CHMAP_FLW,      FLW },
798         { SNDRV_CHMAP_FRW,      FRW },
799         { SNDRV_CHMAP_TC,       TC },
800         { SNDRV_CHMAP_TFC,      FCH },
801         {} /* terminator */
802 };
803
804 /* from ALSA API channel position to speaker bit mask */
805 static int to_spk_mask(unsigned char c)
806 {
807         struct channel_map_table *t = map_tables;
808         for (; t->map; t++) {
809                 if (t->map == c)
810                         return t->spk_mask;
811         }
812         return 0;
813 }
814
815 /* from ALSA API channel position to CEA slot */
816 static int to_cea_slot(int ordered_ca, unsigned char pos)
817 {
818         int mask = to_spk_mask(pos);
819         int i;
820
821         if (mask) {
822                 for (i = 0; i < 8; i++) {
823                         if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
824                                 return i;
825                 }
826         }
827
828         return -1;
829 }
830
831 /* from speaker bit mask to ALSA API channel position */
832 static int spk_to_chmap(int spk)
833 {
834         struct channel_map_table *t = map_tables;
835         for (; t->map; t++) {
836                 if (t->spk_mask == spk)
837                         return t->map;
838         }
839         return 0;
840 }
841
842 /* from CEA slot to ALSA API channel position */
843 static int from_cea_slot(int ordered_ca, unsigned char slot)
844 {
845         int mask = channel_allocations[ordered_ca].speakers[7 - slot];
846
847         return spk_to_chmap(mask);
848 }
849
850 /* get the CA index corresponding to the given ALSA API channel map */
851 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
852 {
853         int i, spks = 0, spk_mask = 0;
854
855         for (i = 0; i < chs; i++) {
856                 int mask = to_spk_mask(map[i]);
857                 if (mask) {
858                         spk_mask |= mask;
859                         spks++;
860                 }
861         }
862
863         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
864                 if ((chs == channel_allocations[i].channels ||
865                      spks == channel_allocations[i].channels) &&
866                     (spk_mask & channel_allocations[i].spk_mask) ==
867                                 channel_allocations[i].spk_mask)
868                         return channel_allocations[i].ca_index;
869         }
870         return -1;
871 }
872
873 /* set up the channel slots for the given ALSA API channel map */
874 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
875                                              hda_nid_t pin_nid,
876                                              int chs, unsigned char *map,
877                                              int ca)
878 {
879         struct hdmi_spec *spec = codec->spec;
880         int ordered_ca = get_channel_allocation_order(ca);
881         int alsa_pos, hdmi_slot;
882         int assignments[8] = {[0 ... 7] = 0xf};
883
884         for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
885
886                 hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
887
888                 if (hdmi_slot < 0)
889                         continue; /* unassigned channel */
890
891                 assignments[hdmi_slot] = alsa_pos;
892         }
893
894         for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
895                 int err;
896
897                 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot,
898                                                      assignments[hdmi_slot]);
899                 if (err)
900                         return -EINVAL;
901         }
902         return 0;
903 }
904
905 /* store ALSA API channel map from the current default map */
906 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
907 {
908         int i;
909         int ordered_ca = get_channel_allocation_order(ca);
910         for (i = 0; i < 8; i++) {
911                 if (i < channel_allocations[ordered_ca].channels)
912                         map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
913                 else
914                         map[i] = 0;
915         }
916 }
917
918 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
919                                        hda_nid_t pin_nid, bool non_pcm, int ca,
920                                        int channels, unsigned char *map,
921                                        bool chmap_set)
922 {
923         if (!non_pcm && chmap_set) {
924                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
925                                                   channels, map, ca);
926         } else {
927                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
928                 hdmi_setup_fake_chmap(map, ca);
929         }
930
931         hdmi_debug_channel_mapping(codec, pin_nid);
932 }
933
934 static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
935                                      int asp_slot, int channel)
936 {
937         return snd_hda_codec_write(codec, pin_nid, 0,
938                                    AC_VERB_SET_HDMI_CHAN_SLOT,
939                                    (channel << 4) | asp_slot);
940 }
941
942 static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
943                                      int asp_slot)
944 {
945         return (snd_hda_codec_read(codec, pin_nid, 0,
946                                    AC_VERB_GET_HDMI_CHAN_SLOT,
947                                    asp_slot) & 0xf0) >> 4;
948 }
949
950 /*
951  * Audio InfoFrame routines
952  */
953
954 /*
955  * Enable Audio InfoFrame Transmission
956  */
957 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
958                                        hda_nid_t pin_nid)
959 {
960         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
961         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
962                                                 AC_DIPXMIT_BEST);
963 }
964
965 /*
966  * Disable Audio InfoFrame Transmission
967  */
968 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
969                                       hda_nid_t pin_nid)
970 {
971         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
972         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
973                                                 AC_DIPXMIT_DISABLE);
974 }
975
976 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
977 {
978 #ifdef CONFIG_SND_DEBUG_VERBOSE
979         int i;
980         int size;
981
982         size = snd_hdmi_get_eld_size(codec, pin_nid);
983         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
984
985         for (i = 0; i < 8; i++) {
986                 size = snd_hda_codec_read(codec, pin_nid, 0,
987                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
988                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
989         }
990 #endif
991 }
992
993 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
994 {
995 #ifdef BE_PARANOID
996         int i, j;
997         int size;
998         int pi, bi;
999         for (i = 0; i < 8; i++) {
1000                 size = snd_hda_codec_read(codec, pin_nid, 0,
1001                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
1002                 if (size == 0)
1003                         continue;
1004
1005                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
1006                 for (j = 1; j < 1000; j++) {
1007                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
1008                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
1009                         if (pi != i)
1010                                 codec_dbg(codec, "dip index %d: %d != %d\n",
1011                                                 bi, pi, i);
1012                         if (bi == 0) /* byte index wrapped around */
1013                                 break;
1014                 }
1015                 codec_dbg(codec,
1016                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
1017                         i, size, j);
1018         }
1019 #endif
1020 }
1021
1022 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
1023 {
1024         u8 *bytes = (u8 *)hdmi_ai;
1025         u8 sum = 0;
1026         int i;
1027
1028         hdmi_ai->checksum = 0;
1029
1030         for (i = 0; i < sizeof(*hdmi_ai); i++)
1031                 sum += bytes[i];
1032
1033         hdmi_ai->checksum = -sum;
1034 }
1035
1036 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
1037                                       hda_nid_t pin_nid,
1038                                       u8 *dip, int size)
1039 {
1040         int i;
1041
1042         hdmi_debug_dip_size(codec, pin_nid);
1043         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
1044
1045         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1046         for (i = 0; i < size; i++)
1047                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
1048 }
1049
1050 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
1051                                     u8 *dip, int size)
1052 {
1053         u8 val;
1054         int i;
1055
1056         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
1057                                                             != AC_DIPXMIT_BEST)
1058                 return false;
1059
1060         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1061         for (i = 0; i < size; i++) {
1062                 val = snd_hda_codec_read(codec, pin_nid, 0,
1063                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
1064                 if (val != dip[i])
1065                         return false;
1066         }
1067
1068         return true;
1069 }
1070
1071 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
1072                                      hda_nid_t pin_nid,
1073                                      int ca, int active_channels,
1074                                      int conn_type)
1075 {
1076         union audio_infoframe ai;
1077
1078         memset(&ai, 0, sizeof(ai));
1079         if (conn_type == 0) { /* HDMI */
1080                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
1081
1082                 hdmi_ai->type           = 0x84;
1083                 hdmi_ai->ver            = 0x01;
1084                 hdmi_ai->len            = 0x0a;
1085                 hdmi_ai->CC02_CT47      = active_channels - 1;
1086                 hdmi_ai->CA             = ca;
1087                 hdmi_checksum_audio_infoframe(hdmi_ai);
1088         } else if (conn_type == 1) { /* DisplayPort */
1089                 struct dp_audio_infoframe *dp_ai = &ai.dp;
1090
1091                 dp_ai->type             = 0x84;
1092                 dp_ai->len              = 0x1b;
1093                 dp_ai->ver              = 0x11 << 2;
1094                 dp_ai->CC02_CT47        = active_channels - 1;
1095                 dp_ai->CA               = ca;
1096         } else {
1097                 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
1098                             pin_nid);
1099                 return;
1100         }
1101
1102         /*
1103          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
1104          * sizeof(*dp_ai) to avoid partial match/update problems when
1105          * the user switches between HDMI/DP monitors.
1106          */
1107         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
1108                                         sizeof(ai))) {
1109                 codec_dbg(codec,
1110                           "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
1111                             pin_nid,
1112                             active_channels, ca);
1113                 hdmi_stop_infoframe_trans(codec, pin_nid);
1114                 hdmi_fill_audio_infoframe(codec, pin_nid,
1115                                             ai.bytes, sizeof(ai));
1116                 hdmi_start_infoframe_trans(codec, pin_nid);
1117         }
1118 }
1119
1120 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
1121                                        struct hdmi_spec_per_pin *per_pin,
1122                                        bool non_pcm)
1123 {
1124         struct hdmi_spec *spec = codec->spec;
1125         hda_nid_t pin_nid = per_pin->pin_nid;
1126         int channels = per_pin->channels;
1127         int active_channels;
1128         struct hdmi_eld *eld;
1129         int ca, ordered_ca;
1130
1131         if (!channels)
1132                 return;
1133
1134         if (is_haswell_plus(codec))
1135                 snd_hda_codec_write(codec, pin_nid, 0,
1136                                             AC_VERB_SET_AMP_GAIN_MUTE,
1137                                             AMP_OUT_UNMUTE);
1138
1139         eld = &per_pin->sink_eld;
1140
1141         if (!non_pcm && per_pin->chmap_set)
1142                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
1143         else
1144                 ca = hdmi_channel_allocation(codec, eld, channels);
1145         if (ca < 0)
1146                 ca = 0;
1147
1148         ordered_ca = get_channel_allocation_order(ca);
1149         active_channels = channel_allocations[ordered_ca].channels;
1150
1151         hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels);
1152
1153         /*
1154          * always configure channel mapping, it may have been changed by the
1155          * user in the meantime
1156          */
1157         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
1158                                    channels, per_pin->chmap,
1159                                    per_pin->chmap_set);
1160
1161         spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
1162                                       eld->info.conn_type);
1163
1164         per_pin->non_pcm = non_pcm;
1165 }
1166
1167 /*
1168  * Unsolicited events
1169  */
1170
1171 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
1172
1173 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
1174 {
1175         struct hdmi_spec *spec = codec->spec;
1176         int pin_idx = pin_nid_to_pin_index(codec, nid);
1177
1178         if (pin_idx < 0)
1179                 return;
1180         if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
1181                 snd_hda_jack_report_sync(codec);
1182 }
1183
1184 static void jack_callback(struct hda_codec *codec,
1185                           struct hda_jack_callback *jack)
1186 {
1187         check_presence_and_report(codec, jack->nid);
1188 }
1189
1190 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
1191 {
1192         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1193         struct hda_jack_tbl *jack;
1194         int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
1195
1196         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
1197         if (!jack)
1198                 return;
1199         jack->jack_dirty = 1;
1200
1201         codec_dbg(codec,
1202                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
1203                 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
1204                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
1205
1206         check_presence_and_report(codec, jack->nid);
1207 }
1208
1209 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
1210 {
1211         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1212         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1213         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
1214         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
1215
1216         codec_info(codec,
1217                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
1218                 codec->addr,
1219                 tag,
1220                 subtag,
1221                 cp_state,
1222                 cp_ready);
1223
1224         /* TODO */
1225         if (cp_state)
1226                 ;
1227         if (cp_ready)
1228                 ;
1229 }
1230
1231
1232 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1233 {
1234         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1235         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1236
1237         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1238                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
1239                 return;
1240         }
1241
1242         if (subtag == 0)
1243                 hdmi_intrinsic_event(codec, res);
1244         else
1245                 hdmi_non_intrinsic_event(codec, res);
1246 }
1247
1248 static void haswell_verify_D0(struct hda_codec *codec,
1249                 hda_nid_t cvt_nid, hda_nid_t nid)
1250 {
1251         int pwr;
1252
1253         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1254          * thus pins could only choose converter 0 for use. Make sure the
1255          * converters are in correct power state */
1256         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1257                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1258
1259         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1260                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1261                                     AC_PWRST_D0);
1262                 msleep(40);
1263                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1264                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1265                 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1266         }
1267 }
1268
1269 /*
1270  * Callbacks
1271  */
1272
1273 /* HBR should be Non-PCM, 8 channels */
1274 #define is_hbr_format(format) \
1275         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1276
1277 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
1278                               bool hbr)
1279 {
1280         int pinctl, new_pinctl;
1281
1282         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1283                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1284                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1285
1286                 if (pinctl < 0)
1287                         return hbr ? -EINVAL : 0;
1288
1289                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1290                 if (hbr)
1291                         new_pinctl |= AC_PINCTL_EPT_HBR;
1292                 else
1293                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1294
1295                 codec_dbg(codec,
1296                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
1297                             pin_nid,
1298                             pinctl == new_pinctl ? "" : "new-",
1299                             new_pinctl);
1300
1301                 if (pinctl != new_pinctl)
1302                         snd_hda_codec_write(codec, pin_nid, 0,
1303                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1304                                             new_pinctl);
1305         } else if (hbr)
1306                 return -EINVAL;
1307
1308         return 0;
1309 }
1310
1311 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1312                               hda_nid_t pin_nid, u32 stream_tag, int format)
1313 {
1314         struct hdmi_spec *spec = codec->spec;
1315         int err;
1316
1317         if (is_haswell_plus(codec))
1318                 haswell_verify_D0(codec, cvt_nid, pin_nid);
1319
1320         err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
1321
1322         if (err) {
1323                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
1324                 return err;
1325         }
1326
1327         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1328         return 0;
1329 }
1330
1331 static int hdmi_choose_cvt(struct hda_codec *codec,
1332                         int pin_idx, int *cvt_id, int *mux_id)
1333 {
1334         struct hdmi_spec *spec = codec->spec;
1335         struct hdmi_spec_per_pin *per_pin;
1336         struct hdmi_spec_per_cvt *per_cvt = NULL;
1337         int cvt_idx, mux_idx = 0;
1338
1339         per_pin = get_pin(spec, pin_idx);
1340
1341         /* Dynamically assign converter to stream */
1342         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1343                 per_cvt = get_cvt(spec, cvt_idx);
1344
1345                 /* Must not already be assigned */
1346                 if (per_cvt->assigned)
1347                         continue;
1348                 /* Must be in pin's mux's list of converters */
1349                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1350                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1351                                 break;
1352                 /* Not in mux list */
1353                 if (mux_idx == per_pin->num_mux_nids)
1354                         continue;
1355                 break;
1356         }
1357
1358         /* No free converters */
1359         if (cvt_idx == spec->num_cvts)
1360                 return -ENODEV;
1361
1362         per_pin->mux_idx = mux_idx;
1363
1364         if (cvt_id)
1365                 *cvt_id = cvt_idx;
1366         if (mux_id)
1367                 *mux_id = mux_idx;
1368
1369         return 0;
1370 }
1371
1372 /* Assure the pin select the right convetor */
1373 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1374                         struct hdmi_spec_per_pin *per_pin)
1375 {
1376         hda_nid_t pin_nid = per_pin->pin_nid;
1377         int mux_idx, curr;
1378
1379         mux_idx = per_pin->mux_idx;
1380         curr = snd_hda_codec_read(codec, pin_nid, 0,
1381                                           AC_VERB_GET_CONNECT_SEL, 0);
1382         if (curr != mux_idx)
1383                 snd_hda_codec_write_cache(codec, pin_nid, 0,
1384                                             AC_VERB_SET_CONNECT_SEL,
1385                                             mux_idx);
1386 }
1387
1388 /* Intel HDMI workaround to fix audio routing issue:
1389  * For some Intel display codecs, pins share the same connection list.
1390  * So a conveter can be selected by multiple pins and playback on any of these
1391  * pins will generate sound on the external display, because audio flows from
1392  * the same converter to the display pipeline. Also muting one pin may make
1393  * other pins have no sound output.
1394  * So this function assures that an assigned converter for a pin is not selected
1395  * by any other pins.
1396  */
1397 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1398                         hda_nid_t pin_nid, int mux_idx)
1399 {
1400         struct hdmi_spec *spec = codec->spec;
1401         hda_nid_t nid;
1402         int cvt_idx, curr;
1403         struct hdmi_spec_per_cvt *per_cvt;
1404
1405         /* configure all pins, including "no physical connection" ones */
1406         for_each_hda_codec_node(nid, codec) {
1407                 unsigned int wid_caps = get_wcaps(codec, nid);
1408                 unsigned int wid_type = get_wcaps_type(wid_caps);
1409
1410                 if (wid_type != AC_WID_PIN)
1411                         continue;
1412
1413                 if (nid == pin_nid)
1414                         continue;
1415
1416                 curr = snd_hda_codec_read(codec, nid, 0,
1417                                           AC_VERB_GET_CONNECT_SEL, 0);
1418                 if (curr != mux_idx)
1419                         continue;
1420
1421                 /* choose an unassigned converter. The conveters in the
1422                  * connection list are in the same order as in the codec.
1423                  */
1424                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1425                         per_cvt = get_cvt(spec, cvt_idx);
1426                         if (!per_cvt->assigned) {
1427                                 codec_dbg(codec,
1428                                           "choose cvt %d for pin nid %d\n",
1429                                         cvt_idx, nid);
1430                                 snd_hda_codec_write_cache(codec, nid, 0,
1431                                             AC_VERB_SET_CONNECT_SEL,
1432                                             cvt_idx);
1433                                 break;
1434                         }
1435                 }
1436         }
1437 }
1438
1439 /*
1440  * HDA PCM callbacks
1441  */
1442 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1443                          struct hda_codec *codec,
1444                          struct snd_pcm_substream *substream)
1445 {
1446         struct hdmi_spec *spec = codec->spec;
1447         struct snd_pcm_runtime *runtime = substream->runtime;
1448         int pin_idx, cvt_idx, mux_idx = 0;
1449         struct hdmi_spec_per_pin *per_pin;
1450         struct hdmi_eld *eld;
1451         struct hdmi_spec_per_cvt *per_cvt = NULL;
1452         int err;
1453
1454         /* Validate hinfo */
1455         pin_idx = hinfo_to_pin_index(codec, hinfo);
1456         if (snd_BUG_ON(pin_idx < 0))
1457                 return -EINVAL;
1458         per_pin = get_pin(spec, pin_idx);
1459         eld = &per_pin->sink_eld;
1460
1461         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1462         if (err < 0)
1463                 return err;
1464
1465         per_cvt = get_cvt(spec, cvt_idx);
1466         /* Claim converter */
1467         per_cvt->assigned = 1;
1468         per_pin->cvt_nid = per_cvt->cvt_nid;
1469         hinfo->nid = per_cvt->cvt_nid;
1470
1471         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1472                             AC_VERB_SET_CONNECT_SEL,
1473                             mux_idx);
1474
1475         /* configure unused pins to choose other converters */
1476         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1477                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1478
1479         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1480
1481         /* Initially set the converter's capabilities */
1482         hinfo->channels_min = per_cvt->channels_min;
1483         hinfo->channels_max = per_cvt->channels_max;
1484         hinfo->rates = per_cvt->rates;
1485         hinfo->formats = per_cvt->formats;
1486         hinfo->maxbps = per_cvt->maxbps;
1487
1488         /* Restrict capabilities by ELD if this isn't disabled */
1489         if (!static_hdmi_pcm && eld->eld_valid) {
1490                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1491                 if (hinfo->channels_min > hinfo->channels_max ||
1492                     !hinfo->rates || !hinfo->formats) {
1493                         per_cvt->assigned = 0;
1494                         hinfo->nid = 0;
1495                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1496                         return -ENODEV;
1497                 }
1498         }
1499
1500         /* Store the updated parameters */
1501         runtime->hw.channels_min = hinfo->channels_min;
1502         runtime->hw.channels_max = hinfo->channels_max;
1503         runtime->hw.formats = hinfo->formats;
1504         runtime->hw.rates = hinfo->rates;
1505
1506         snd_pcm_hw_constraint_step(substream->runtime, 0,
1507                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1508         return 0;
1509 }
1510
1511 /*
1512  * HDA/HDMI auto parsing
1513  */
1514 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1515 {
1516         struct hdmi_spec *spec = codec->spec;
1517         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1518         hda_nid_t pin_nid = per_pin->pin_nid;
1519
1520         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1521                 codec_warn(codec,
1522                            "HDMI: pin %d wcaps %#x does not support connection list\n",
1523                            pin_nid, get_wcaps(codec, pin_nid));
1524                 return -EINVAL;
1525         }
1526
1527         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1528                                                         per_pin->mux_nids,
1529                                                         HDA_MAX_CONNECTIONS);
1530
1531         return 0;
1532 }
1533
1534 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1535 {
1536         struct hda_jack_tbl *jack;
1537         struct hda_codec *codec = per_pin->codec;
1538         struct hdmi_spec *spec = codec->spec;
1539         struct hdmi_eld *eld = &spec->temp_eld;
1540         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1541         hda_nid_t pin_nid = per_pin->pin_nid;
1542         /*
1543          * Always execute a GetPinSense verb here, even when called from
1544          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1545          * response's PD bit is not the real PD value, but indicates that
1546          * the real PD value changed. An older version of the HD-audio
1547          * specification worked this way. Hence, we just ignore the data in
1548          * the unsolicited response to avoid custom WARs.
1549          */
1550         int present;
1551         bool update_eld = false;
1552         bool eld_changed = false;
1553         bool ret;
1554
1555         snd_hda_power_up_pm(codec);
1556         present = snd_hda_pin_sense(codec, pin_nid);
1557
1558         mutex_lock(&per_pin->lock);
1559         pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1560         if (pin_eld->monitor_present)
1561                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1562         else
1563                 eld->eld_valid = false;
1564
1565         codec_dbg(codec,
1566                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1567                 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1568
1569         if (eld->eld_valid) {
1570                 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1571                                                      &eld->eld_size) < 0)
1572                         eld->eld_valid = false;
1573                 else {
1574                         memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1575                         if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1576                                                     eld->eld_size) < 0)
1577                                 eld->eld_valid = false;
1578                 }
1579
1580                 if (eld->eld_valid) {
1581                         snd_hdmi_show_eld(codec, &eld->info);
1582                         update_eld = true;
1583                 }
1584                 else if (repoll) {
1585                         schedule_delayed_work(&per_pin->work,
1586                                               msecs_to_jiffies(300));
1587                         goto unlock;
1588                 }
1589         }
1590
1591         if (pin_eld->eld_valid != eld->eld_valid)
1592                 eld_changed = true;
1593
1594         if (pin_eld->eld_valid && !eld->eld_valid)
1595                 update_eld = true;
1596
1597         if (update_eld) {
1598                 bool old_eld_valid = pin_eld->eld_valid;
1599                 pin_eld->eld_valid = eld->eld_valid;
1600                 if (pin_eld->eld_size != eld->eld_size ||
1601                               memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1602                                      eld->eld_size) != 0) {
1603                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1604                                eld->eld_size);
1605                         eld_changed = true;
1606                 }
1607                 pin_eld->eld_size = eld->eld_size;
1608                 pin_eld->info = eld->info;
1609
1610                 /*
1611                  * Re-setup pin and infoframe. This is needed e.g. when
1612                  * - sink is first plugged-in (infoframe is not set up if !monitor_present)
1613                  * - transcoder can change during stream playback on Haswell
1614                  *   and this can make HW reset converter selection on a pin.
1615                  */
1616                 if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1617                         if (is_haswell_plus(codec) ||
1618                                 is_valleyview_plus(codec)) {
1619                                 intel_verify_pin_cvt_connect(codec, per_pin);
1620                                 intel_not_share_assigned_cvt(codec, pin_nid,
1621                                                         per_pin->mux_idx);
1622                         }
1623
1624                         hdmi_setup_audio_infoframe(codec, per_pin,
1625                                                    per_pin->non_pcm);
1626                 }
1627         }
1628
1629         if (eld_changed)
1630                 snd_ctl_notify(codec->card,
1631                                SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1632                                &per_pin->eld_ctl->id);
1633  unlock:
1634         ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1635
1636         jack = snd_hda_jack_tbl_get(codec, pin_nid);
1637         if (jack)
1638                 jack->block_report = !ret;
1639
1640         mutex_unlock(&per_pin->lock);
1641         snd_hda_power_down_pm(codec);
1642         return ret;
1643 }
1644
1645 static void hdmi_repoll_eld(struct work_struct *work)
1646 {
1647         struct hdmi_spec_per_pin *per_pin =
1648         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1649
1650         if (per_pin->repoll_count++ > 6)
1651                 per_pin->repoll_count = 0;
1652
1653         if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1654                 snd_hda_jack_report_sync(per_pin->codec);
1655 }
1656
1657 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1658                                              hda_nid_t nid);
1659
1660 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1661 {
1662         struct hdmi_spec *spec = codec->spec;
1663         unsigned int caps, config;
1664         int pin_idx;
1665         struct hdmi_spec_per_pin *per_pin;
1666         int err;
1667
1668         caps = snd_hda_query_pin_caps(codec, pin_nid);
1669         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1670                 return 0;
1671
1672         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1673         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1674                 return 0;
1675
1676         if (is_haswell_plus(codec))
1677                 intel_haswell_fixup_connect_list(codec, pin_nid);
1678
1679         pin_idx = spec->num_pins;
1680         per_pin = snd_array_new(&spec->pins);
1681         if (!per_pin)
1682                 return -ENOMEM;
1683
1684         per_pin->pin_nid = pin_nid;
1685         per_pin->non_pcm = false;
1686
1687         err = hdmi_read_pin_conn(codec, pin_idx);
1688         if (err < 0)
1689                 return err;
1690
1691         spec->num_pins++;
1692
1693         return 0;
1694 }
1695
1696 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1697 {
1698         struct hdmi_spec *spec = codec->spec;
1699         struct hdmi_spec_per_cvt *per_cvt;
1700         unsigned int chans;
1701         int err;
1702
1703         chans = get_wcaps(codec, cvt_nid);
1704         chans = get_wcaps_channels(chans);
1705
1706         per_cvt = snd_array_new(&spec->cvts);
1707         if (!per_cvt)
1708                 return -ENOMEM;
1709
1710         per_cvt->cvt_nid = cvt_nid;
1711         per_cvt->channels_min = 2;
1712         if (chans <= 16) {
1713                 per_cvt->channels_max = chans;
1714                 if (chans > spec->channels_max)
1715                         spec->channels_max = chans;
1716         }
1717
1718         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1719                                           &per_cvt->rates,
1720                                           &per_cvt->formats,
1721                                           &per_cvt->maxbps);
1722         if (err < 0)
1723                 return err;
1724
1725         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1726                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1727         spec->num_cvts++;
1728
1729         return 0;
1730 }
1731
1732 static int hdmi_parse_codec(struct hda_codec *codec)
1733 {
1734         hda_nid_t nid;
1735         int i, nodes;
1736
1737         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1738         if (!nid || nodes < 0) {
1739                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1740                 return -EINVAL;
1741         }
1742
1743         for (i = 0; i < nodes; i++, nid++) {
1744                 unsigned int caps;
1745                 unsigned int type;
1746
1747                 caps = get_wcaps(codec, nid);
1748                 type = get_wcaps_type(caps);
1749
1750                 if (!(caps & AC_WCAP_DIGITAL))
1751                         continue;
1752
1753                 switch (type) {
1754                 case AC_WID_AUD_OUT:
1755                         hdmi_add_cvt(codec, nid);
1756                         break;
1757                 case AC_WID_PIN:
1758                         hdmi_add_pin(codec, nid);
1759                         break;
1760                 }
1761         }
1762
1763         return 0;
1764 }
1765
1766 /*
1767  */
1768 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1769 {
1770         struct hda_spdif_out *spdif;
1771         bool non_pcm;
1772
1773         mutex_lock(&codec->spdif_mutex);
1774         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1775         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1776         mutex_unlock(&codec->spdif_mutex);
1777         return non_pcm;
1778 }
1779
1780 /* There is a fixed mapping between audio pin node and display port
1781  * on current Intel platforms:
1782  * Pin Widget 5 - PORT B (port = 1 in i915 driver)
1783  * Pin Widget 6 - PORT C (port = 2 in i915 driver)
1784  * Pin Widget 7 - PORT D (port = 3 in i915 driver)
1785  */
1786 static int intel_pin2port(hda_nid_t pin_nid)
1787 {
1788         return pin_nid - 4;
1789 }
1790
1791 /*
1792  * HDMI callbacks
1793  */
1794
1795 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1796                                            struct hda_codec *codec,
1797                                            unsigned int stream_tag,
1798                                            unsigned int format,
1799                                            struct snd_pcm_substream *substream)
1800 {
1801         hda_nid_t cvt_nid = hinfo->nid;
1802         struct hdmi_spec *spec = codec->spec;
1803         int pin_idx = hinfo_to_pin_index(codec, hinfo);
1804         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1805         hda_nid_t pin_nid = per_pin->pin_nid;
1806         struct snd_pcm_runtime *runtime = substream->runtime;
1807         struct i915_audio_component *acomp = codec->bus->core.audio_component;
1808         bool non_pcm;
1809         int pinctl;
1810
1811         if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1812                 /* Verify pin:cvt selections to avoid silent audio after S3.
1813                  * After S3, the audio driver restores pin:cvt selections
1814                  * but this can happen before gfx is ready and such selection
1815                  * is overlooked by HW. Thus multiple pins can share a same
1816                  * default convertor and mute control will affect each other,
1817                  * which can cause a resumed audio playback become silent
1818                  * after S3.
1819                  */
1820                 intel_verify_pin_cvt_connect(codec, per_pin);
1821                 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1822         }
1823
1824         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1825         /* Todo: add DP1.2 MST audio support later */
1826         if (acomp && acomp->ops && acomp->ops->sync_audio_rate)
1827                 acomp->ops->sync_audio_rate(acomp->dev,
1828                                 intel_pin2port(pin_nid),
1829                                 runtime->rate);
1830
1831         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1832         mutex_lock(&per_pin->lock);
1833         per_pin->channels = substream->runtime->channels;
1834         per_pin->setup = true;
1835
1836         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1837         mutex_unlock(&per_pin->lock);
1838
1839         if (spec->dyn_pin_out) {
1840                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1841                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1842                 snd_hda_codec_write(codec, pin_nid, 0,
1843                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1844                                     pinctl | PIN_OUT);
1845         }
1846
1847         return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1848 }
1849
1850 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1851                                              struct hda_codec *codec,
1852                                              struct snd_pcm_substream *substream)
1853 {
1854         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1855         return 0;
1856 }
1857
1858 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1859                           struct hda_codec *codec,
1860                           struct snd_pcm_substream *substream)
1861 {
1862         struct hdmi_spec *spec = codec->spec;
1863         int cvt_idx, pin_idx;
1864         struct hdmi_spec_per_cvt *per_cvt;
1865         struct hdmi_spec_per_pin *per_pin;
1866         int pinctl;
1867
1868         if (hinfo->nid) {
1869                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1870                 if (snd_BUG_ON(cvt_idx < 0))
1871                         return -EINVAL;
1872                 per_cvt = get_cvt(spec, cvt_idx);
1873
1874                 snd_BUG_ON(!per_cvt->assigned);
1875                 per_cvt->assigned = 0;
1876                 hinfo->nid = 0;
1877
1878                 pin_idx = hinfo_to_pin_index(codec, hinfo);
1879                 if (snd_BUG_ON(pin_idx < 0))
1880                         return -EINVAL;
1881                 per_pin = get_pin(spec, pin_idx);
1882
1883                 if (spec->dyn_pin_out) {
1884                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1885                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1886                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1887                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1888                                             pinctl & ~PIN_OUT);
1889                 }
1890
1891                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1892
1893                 mutex_lock(&per_pin->lock);
1894                 per_pin->chmap_set = false;
1895                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1896
1897                 per_pin->setup = false;
1898                 per_pin->channels = 0;
1899                 mutex_unlock(&per_pin->lock);
1900         }
1901
1902         return 0;
1903 }
1904
1905 static const struct hda_pcm_ops generic_ops = {
1906         .open = hdmi_pcm_open,
1907         .close = hdmi_pcm_close,
1908         .prepare = generic_hdmi_playback_pcm_prepare,
1909         .cleanup = generic_hdmi_playback_pcm_cleanup,
1910 };
1911
1912 /*
1913  * ALSA API channel-map control callbacks
1914  */
1915 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1916                                struct snd_ctl_elem_info *uinfo)
1917 {
1918         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1919         struct hda_codec *codec = info->private_data;
1920         struct hdmi_spec *spec = codec->spec;
1921         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1922         uinfo->count = spec->channels_max;
1923         uinfo->value.integer.min = 0;
1924         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1925         return 0;
1926 }
1927
1928 static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
1929                                                   int channels)
1930 {
1931         /* If the speaker allocation matches the channel count, it is OK.*/
1932         if (cap->channels != channels)
1933                 return -1;
1934
1935         /* all channels are remappable freely */
1936         return SNDRV_CTL_TLVT_CHMAP_VAR;
1937 }
1938
1939 static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
1940                                         unsigned int *chmap, int channels)
1941 {
1942         int count = 0;
1943         int c;
1944
1945         for (c = 7; c >= 0; c--) {
1946                 int spk = cap->speakers[c];
1947                 if (!spk)
1948                         continue;
1949
1950                 chmap[count++] = spk_to_chmap(spk);
1951         }
1952
1953         WARN_ON(count != channels);
1954 }
1955
1956 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1957                               unsigned int size, unsigned int __user *tlv)
1958 {
1959         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1960         struct hda_codec *codec = info->private_data;
1961         struct hdmi_spec *spec = codec->spec;
1962         unsigned int __user *dst;
1963         int chs, count = 0;
1964
1965         if (size < 8)
1966                 return -ENOMEM;
1967         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1968                 return -EFAULT;
1969         size -= 8;
1970         dst = tlv + 2;
1971         for (chs = 2; chs <= spec->channels_max; chs++) {
1972                 int i;
1973                 struct cea_channel_speaker_allocation *cap;
1974                 cap = channel_allocations;
1975                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1976                         int chs_bytes = chs * 4;
1977                         int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
1978                         unsigned int tlv_chmap[8];
1979
1980                         if (type < 0)
1981                                 continue;
1982                         if (size < 8)
1983                                 return -ENOMEM;
1984                         if (put_user(type, dst) ||
1985                             put_user(chs_bytes, dst + 1))
1986                                 return -EFAULT;
1987                         dst += 2;
1988                         size -= 8;
1989                         count += 8;
1990                         if (size < chs_bytes)
1991                                 return -ENOMEM;
1992                         size -= chs_bytes;
1993                         count += chs_bytes;
1994                         spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
1995                         if (copy_to_user(dst, tlv_chmap, chs_bytes))
1996                                 return -EFAULT;
1997                         dst += chs;
1998                 }
1999         }
2000         if (put_user(count, tlv + 1))
2001                 return -EFAULT;
2002         return 0;
2003 }
2004
2005 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
2006                               struct snd_ctl_elem_value *ucontrol)
2007 {
2008         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2009         struct hda_codec *codec = info->private_data;
2010         struct hdmi_spec *spec = codec->spec;
2011         int pin_idx = kcontrol->private_value;
2012         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2013         int i;
2014
2015         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
2016                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
2017         return 0;
2018 }
2019
2020 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
2021                               struct snd_ctl_elem_value *ucontrol)
2022 {
2023         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
2024         struct hda_codec *codec = info->private_data;
2025         struct hdmi_spec *spec = codec->spec;
2026         int pin_idx = kcontrol->private_value;
2027         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2028         unsigned int ctl_idx;
2029         struct snd_pcm_substream *substream;
2030         unsigned char chmap[8];
2031         int i, err, ca, prepared = 0;
2032
2033         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2034         substream = snd_pcm_chmap_substream(info, ctl_idx);
2035         if (!substream || !substream->runtime)
2036                 return 0; /* just for avoiding error from alsactl restore */
2037         switch (substream->runtime->status->state) {
2038         case SNDRV_PCM_STATE_OPEN:
2039         case SNDRV_PCM_STATE_SETUP:
2040                 break;
2041         case SNDRV_PCM_STATE_PREPARED:
2042                 prepared = 1;
2043                 break;
2044         default:
2045                 return -EBUSY;
2046         }
2047         memset(chmap, 0, sizeof(chmap));
2048         for (i = 0; i < ARRAY_SIZE(chmap); i++)
2049                 chmap[i] = ucontrol->value.integer.value[i];
2050         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
2051                 return 0;
2052         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2053         if (ca < 0)
2054                 return -EINVAL;
2055         if (spec->ops.chmap_validate) {
2056                 err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
2057                 if (err)
2058                         return err;
2059         }
2060         mutex_lock(&per_pin->lock);
2061         per_pin->chmap_set = true;
2062         memcpy(per_pin->chmap, chmap, sizeof(chmap));
2063         if (prepared)
2064                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2065         mutex_unlock(&per_pin->lock);
2066
2067         return 0;
2068 }
2069
2070 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2071 {
2072         struct hdmi_spec *spec = codec->spec;
2073         int pin_idx;
2074
2075         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2076                 struct hda_pcm *info;
2077                 struct hda_pcm_stream *pstr;
2078
2079                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
2080                 if (!info)
2081                         return -ENOMEM;
2082                 spec->pcm_rec[pin_idx] = info;
2083                 info->pcm_type = HDA_PCM_TYPE_HDMI;
2084                 info->own_chmap = true;
2085
2086                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2087                 pstr->substreams = 1;
2088                 pstr->ops = generic_ops;
2089                 /* other pstr fields are set in open */
2090         }
2091
2092         return 0;
2093 }
2094
2095 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
2096 {
2097         char hdmi_str[32] = "HDMI/DP";
2098         struct hdmi_spec *spec = codec->spec;
2099         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2100         int pcmdev = get_pcm_rec(spec, pin_idx)->device;
2101         bool phantom_jack;
2102
2103         if (pcmdev > 0)
2104                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2105         phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
2106         if (phantom_jack)
2107                 strncat(hdmi_str, " Phantom",
2108                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2109
2110         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
2111                                      phantom_jack);
2112 }
2113
2114 static int generic_hdmi_build_controls(struct hda_codec *codec)
2115 {
2116         struct hdmi_spec *spec = codec->spec;
2117         int err;
2118         int pin_idx;
2119
2120         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2121                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2122
2123                 err = generic_hdmi_build_jack(codec, pin_idx);
2124                 if (err < 0)
2125                         return err;
2126
2127                 err = snd_hda_create_dig_out_ctls(codec,
2128                                                   per_pin->pin_nid,
2129                                                   per_pin->mux_nids[0],
2130                                                   HDA_PCM_TYPE_HDMI);
2131                 if (err < 0)
2132                         return err;
2133                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
2134
2135                 /* add control for ELD Bytes */
2136                 err = hdmi_create_eld_ctl(codec, pin_idx,
2137                                           get_pcm_rec(spec, pin_idx)->device);
2138
2139                 if (err < 0)
2140                         return err;
2141
2142                 hdmi_present_sense(per_pin, 0);
2143         }
2144
2145         /* add channel maps */
2146         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2147                 struct hda_pcm *pcm;
2148                 struct snd_pcm_chmap *chmap;
2149                 struct snd_kcontrol *kctl;
2150                 int i;
2151
2152                 pcm = spec->pcm_rec[pin_idx];
2153                 if (!pcm || !pcm->pcm)
2154                         break;
2155                 err = snd_pcm_add_chmap_ctls(pcm->pcm,
2156                                              SNDRV_PCM_STREAM_PLAYBACK,
2157                                              NULL, 0, pin_idx, &chmap);
2158                 if (err < 0)
2159                         return err;
2160                 /* override handlers */
2161                 chmap->private_data = codec;
2162                 kctl = chmap->kctl;
2163                 for (i = 0; i < kctl->count; i++)
2164                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2165                 kctl->info = hdmi_chmap_ctl_info;
2166                 kctl->get = hdmi_chmap_ctl_get;
2167                 kctl->put = hdmi_chmap_ctl_put;
2168                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
2169         }
2170
2171         return 0;
2172 }
2173
2174 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2175 {
2176         struct hdmi_spec *spec = codec->spec;
2177         int pin_idx;
2178
2179         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2180                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2181
2182                 per_pin->codec = codec;
2183                 mutex_init(&per_pin->lock);
2184                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2185                 eld_proc_new(per_pin, pin_idx);
2186         }
2187         return 0;
2188 }
2189
2190 static int generic_hdmi_init(struct hda_codec *codec)
2191 {
2192         struct hdmi_spec *spec = codec->spec;
2193         int pin_idx;
2194
2195         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2196                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2197                 hda_nid_t pin_nid = per_pin->pin_nid;
2198
2199                 hdmi_init_pin(codec, pin_nid);
2200                 snd_hda_jack_detect_enable_callback(codec, pin_nid,
2201                         codec->jackpoll_interval > 0 ? jack_callback : NULL);
2202         }
2203         return 0;
2204 }
2205
2206 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2207 {
2208         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2209         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2210 }
2211
2212 static void hdmi_array_free(struct hdmi_spec *spec)
2213 {
2214         snd_array_free(&spec->pins);
2215         snd_array_free(&spec->cvts);
2216 }
2217
2218 static void generic_hdmi_free(struct hda_codec *codec)
2219 {
2220         struct hdmi_spec *spec = codec->spec;
2221         int pin_idx;
2222
2223         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2224                 snd_hdac_i915_register_notifier(NULL);
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
2229                 cancel_delayed_work_sync(&per_pin->work);
2230                 eld_proc_free(per_pin);
2231         }
2232
2233         hdmi_array_free(spec);
2234         kfree(spec);
2235 }
2236
2237 #ifdef CONFIG_PM
2238 static int generic_hdmi_resume(struct hda_codec *codec)
2239 {
2240         struct hdmi_spec *spec = codec->spec;
2241         int pin_idx;
2242
2243         codec->patch_ops.init(codec);
2244         regcache_sync(codec->core.regmap);
2245
2246         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2247                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2248                 hdmi_present_sense(per_pin, 1);
2249         }
2250         return 0;
2251 }
2252 #endif
2253
2254 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2255         .init                   = generic_hdmi_init,
2256         .free                   = generic_hdmi_free,
2257         .build_pcms             = generic_hdmi_build_pcms,
2258         .build_controls         = generic_hdmi_build_controls,
2259         .unsol_event            = hdmi_unsol_event,
2260 #ifdef CONFIG_PM
2261         .resume                 = generic_hdmi_resume,
2262 #endif
2263 };
2264
2265 static const struct hdmi_ops generic_standard_hdmi_ops = {
2266         .pin_get_eld                            = snd_hdmi_get_eld,
2267         .pin_get_slot_channel                   = hdmi_pin_get_slot_channel,
2268         .pin_set_slot_channel                   = hdmi_pin_set_slot_channel,
2269         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2270         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2271         .setup_stream                           = hdmi_setup_stream,
2272         .chmap_cea_alloc_validate_get_type      = hdmi_chmap_cea_alloc_validate_get_type,
2273         .cea_alloc_to_tlv_chmap                 = hdmi_cea_alloc_to_tlv_chmap,
2274 };
2275
2276
2277 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2278                                              hda_nid_t nid)
2279 {
2280         struct hdmi_spec *spec = codec->spec;
2281         hda_nid_t conns[4];
2282         int nconns;
2283
2284         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2285         if (nconns == spec->num_cvts &&
2286             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2287                 return;
2288
2289         /* override pins connection list */
2290         codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2291         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2292 }
2293
2294 #define INTEL_VENDOR_NID 0x08
2295 #define INTEL_GET_VENDOR_VERB 0xf81
2296 #define INTEL_SET_VENDOR_VERB 0x781
2297 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
2298 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
2299
2300 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2301                                           bool update_tree)
2302 {
2303         unsigned int vendor_param;
2304
2305         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2306                                 INTEL_GET_VENDOR_VERB, 0);
2307         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2308                 return;
2309
2310         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2311         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2312                                 INTEL_SET_VENDOR_VERB, vendor_param);
2313         if (vendor_param == -1)
2314                 return;
2315
2316         if (update_tree)
2317                 snd_hda_codec_update_widgets(codec);
2318 }
2319
2320 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2321 {
2322         unsigned int vendor_param;
2323
2324         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2325                                 INTEL_GET_VENDOR_VERB, 0);
2326         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2327                 return;
2328
2329         /* enable DP1.2 mode */
2330         vendor_param |= INTEL_EN_DP12;
2331         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2332         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2333                                 INTEL_SET_VENDOR_VERB, vendor_param);
2334 }
2335
2336 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2337  * Otherwise you may get severe h/w communication errors.
2338  */
2339 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2340                                 unsigned int power_state)
2341 {
2342         if (power_state == AC_PWRST_D0) {
2343                 intel_haswell_enable_all_pins(codec, false);
2344                 intel_haswell_fixup_enable_dp12(codec);
2345         }
2346
2347         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2348         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2349 }
2350
2351 static void intel_pin_eld_notify(void *audio_ptr, int port)
2352 {
2353         struct hda_codec *codec = audio_ptr;
2354         int pin_nid = port + 0x04;
2355
2356         /* skip notification during system suspend (but not in runtime PM);
2357          * the state will be updated at resume
2358          */
2359         if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2360                 return;
2361
2362         check_presence_and_report(codec, pin_nid);
2363 }
2364
2365 static int patch_generic_hdmi(struct hda_codec *codec)
2366 {
2367         struct hdmi_spec *spec;
2368
2369         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2370         if (spec == NULL)
2371                 return -ENOMEM;
2372
2373         spec->ops = generic_standard_hdmi_ops;
2374         codec->spec = spec;
2375         hdmi_array_init(spec, 4);
2376
2377         if (is_haswell_plus(codec)) {
2378                 intel_haswell_enable_all_pins(codec, true);
2379                 intel_haswell_fixup_enable_dp12(codec);
2380         }
2381
2382         /* For Valleyview/Cherryview, only the display codec is in the display
2383          * power well and can use link_power ops to request/release the power.
2384          * For Haswell/Broadwell, the controller is also in the power well and
2385          * can cover the codec power request, and so need not set this flag.
2386          * For previous platforms, there is no such power well feature.
2387          */
2388         if (is_valleyview_plus(codec) || is_skylake(codec) ||
2389                         is_broxton(codec))
2390                 codec->core.link_power_control = 1;
2391
2392         if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
2393                 codec->depop_delay = 0;
2394                 spec->i915_audio_ops.audio_ptr = codec;
2395                 spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
2396                 snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
2397         }
2398
2399         if (hdmi_parse_codec(codec) < 0) {
2400                 codec->spec = NULL;
2401                 kfree(spec);
2402                 return -EINVAL;
2403         }
2404         codec->patch_ops = generic_hdmi_patch_ops;
2405         if (is_haswell_plus(codec)) {
2406                 codec->patch_ops.set_power_state = haswell_set_power_state;
2407                 codec->dp_mst = true;
2408         }
2409
2410         /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
2411         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2412                 codec->auto_runtime_pm = 1;
2413
2414         generic_hdmi_init_per_pins(codec);
2415
2416         init_channel_allocations();
2417
2418         return 0;
2419 }
2420
2421 /*
2422  * Shared non-generic implementations
2423  */
2424
2425 static int simple_playback_build_pcms(struct hda_codec *codec)
2426 {
2427         struct hdmi_spec *spec = codec->spec;
2428         struct hda_pcm *info;
2429         unsigned int chans;
2430         struct hda_pcm_stream *pstr;
2431         struct hdmi_spec_per_cvt *per_cvt;
2432
2433         per_cvt = get_cvt(spec, 0);
2434         chans = get_wcaps(codec, per_cvt->cvt_nid);
2435         chans = get_wcaps_channels(chans);
2436
2437         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2438         if (!info)
2439                 return -ENOMEM;
2440         spec->pcm_rec[0] = info;
2441         info->pcm_type = HDA_PCM_TYPE_HDMI;
2442         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2443         *pstr = spec->pcm_playback;
2444         pstr->nid = per_cvt->cvt_nid;
2445         if (pstr->channels_max <= 2 && chans && chans <= 16)
2446                 pstr->channels_max = chans;
2447
2448         return 0;
2449 }
2450
2451 /* unsolicited event for jack sensing */
2452 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2453                                     unsigned int res)
2454 {
2455         snd_hda_jack_set_dirty_all(codec);
2456         snd_hda_jack_report_sync(codec);
2457 }
2458
2459 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2460  * as long as spec->pins[] is set correctly
2461  */
2462 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2463
2464 static int simple_playback_build_controls(struct hda_codec *codec)
2465 {
2466         struct hdmi_spec *spec = codec->spec;
2467         struct hdmi_spec_per_cvt *per_cvt;
2468         int err;
2469
2470         per_cvt = get_cvt(spec, 0);
2471         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2472                                           per_cvt->cvt_nid,
2473                                           HDA_PCM_TYPE_HDMI);
2474         if (err < 0)
2475                 return err;
2476         return simple_hdmi_build_jack(codec, 0);
2477 }
2478
2479 static int simple_playback_init(struct hda_codec *codec)
2480 {
2481         struct hdmi_spec *spec = codec->spec;
2482         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2483         hda_nid_t pin = per_pin->pin_nid;
2484
2485         snd_hda_codec_write(codec, pin, 0,
2486                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2487         /* some codecs require to unmute the pin */
2488         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2489                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2490                                     AMP_OUT_UNMUTE);
2491         snd_hda_jack_detect_enable(codec, pin);
2492         return 0;
2493 }
2494
2495 static void simple_playback_free(struct hda_codec *codec)
2496 {
2497         struct hdmi_spec *spec = codec->spec;
2498
2499         hdmi_array_free(spec);
2500         kfree(spec);
2501 }
2502
2503 /*
2504  * Nvidia specific implementations
2505  */
2506
2507 #define Nv_VERB_SET_Channel_Allocation          0xF79
2508 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2509 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2510 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2511
2512 #define nvhdmi_master_con_nid_7x        0x04
2513 #define nvhdmi_master_pin_nid_7x        0x05
2514
2515 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2516         /*front, rear, clfe, rear_surr */
2517         0x6, 0x8, 0xa, 0xc,
2518 };
2519
2520 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2521         /* set audio protect on */
2522         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2523         /* enable digital output on pin widget */
2524         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2525         {} /* terminator */
2526 };
2527
2528 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2529         /* set audio protect on */
2530         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2531         /* enable digital output on pin widget */
2532         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2533         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2534         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2535         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2536         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2537         {} /* terminator */
2538 };
2539
2540 #ifdef LIMITED_RATE_FMT_SUPPORT
2541 /* support only the safe format and rate */
2542 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2543 #define SUPPORTED_MAXBPS        16
2544 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2545 #else
2546 /* support all rates and formats */
2547 #define SUPPORTED_RATES \
2548         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2549         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2550          SNDRV_PCM_RATE_192000)
2551 #define SUPPORTED_MAXBPS        24
2552 #define SUPPORTED_FORMATS \
2553         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2554 #endif
2555
2556 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2557 {
2558         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2559         return 0;
2560 }
2561
2562 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2563 {
2564         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2565         return 0;
2566 }
2567
2568 static unsigned int channels_2_6_8[] = {
2569         2, 6, 8
2570 };
2571
2572 static unsigned int channels_2_8[] = {
2573         2, 8
2574 };
2575
2576 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2577         .count = ARRAY_SIZE(channels_2_6_8),
2578         .list = channels_2_6_8,
2579         .mask = 0,
2580 };
2581
2582 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2583         .count = ARRAY_SIZE(channels_2_8),
2584         .list = channels_2_8,
2585         .mask = 0,
2586 };
2587
2588 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2589                                     struct hda_codec *codec,
2590                                     struct snd_pcm_substream *substream)
2591 {
2592         struct hdmi_spec *spec = codec->spec;
2593         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2594
2595         switch (codec->preset->vendor_id) {
2596         case 0x10de0002:
2597         case 0x10de0003:
2598         case 0x10de0005:
2599         case 0x10de0006:
2600                 hw_constraints_channels = &hw_constraints_2_8_channels;
2601                 break;
2602         case 0x10de0007:
2603                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2604                 break;
2605         default:
2606                 break;
2607         }
2608
2609         if (hw_constraints_channels != NULL) {
2610                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2611                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2612                                 hw_constraints_channels);
2613         } else {
2614                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2615                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2616         }
2617
2618         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2619 }
2620
2621 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2622                                      struct hda_codec *codec,
2623                                      struct snd_pcm_substream *substream)
2624 {
2625         struct hdmi_spec *spec = codec->spec;
2626         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2627 }
2628
2629 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2630                                        struct hda_codec *codec,
2631                                        unsigned int stream_tag,
2632                                        unsigned int format,
2633                                        struct snd_pcm_substream *substream)
2634 {
2635         struct hdmi_spec *spec = codec->spec;
2636         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2637                                              stream_tag, format, substream);
2638 }
2639
2640 static const struct hda_pcm_stream simple_pcm_playback = {
2641         .substreams = 1,
2642         .channels_min = 2,
2643         .channels_max = 2,
2644         .ops = {
2645                 .open = simple_playback_pcm_open,
2646                 .close = simple_playback_pcm_close,
2647                 .prepare = simple_playback_pcm_prepare
2648         },
2649 };
2650
2651 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2652         .build_controls = simple_playback_build_controls,
2653         .build_pcms = simple_playback_build_pcms,
2654         .init = simple_playback_init,
2655         .free = simple_playback_free,
2656         .unsol_event = simple_hdmi_unsol_event,
2657 };
2658
2659 static int patch_simple_hdmi(struct hda_codec *codec,
2660                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2661 {
2662         struct hdmi_spec *spec;
2663         struct hdmi_spec_per_cvt *per_cvt;
2664         struct hdmi_spec_per_pin *per_pin;
2665
2666         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2667         if (!spec)
2668                 return -ENOMEM;
2669
2670         codec->spec = spec;
2671         hdmi_array_init(spec, 1);
2672
2673         spec->multiout.num_dacs = 0;  /* no analog */
2674         spec->multiout.max_channels = 2;
2675         spec->multiout.dig_out_nid = cvt_nid;
2676         spec->num_cvts = 1;
2677         spec->num_pins = 1;
2678         per_pin = snd_array_new(&spec->pins);
2679         per_cvt = snd_array_new(&spec->cvts);
2680         if (!per_pin || !per_cvt) {
2681                 simple_playback_free(codec);
2682                 return -ENOMEM;
2683         }
2684         per_cvt->cvt_nid = cvt_nid;
2685         per_pin->pin_nid = pin_nid;
2686         spec->pcm_playback = simple_pcm_playback;
2687
2688         codec->patch_ops = simple_hdmi_patch_ops;
2689
2690         return 0;
2691 }
2692
2693 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2694                                                     int channels)
2695 {
2696         unsigned int chanmask;
2697         int chan = channels ? (channels - 1) : 1;
2698
2699         switch (channels) {
2700         default:
2701         case 0:
2702         case 2:
2703                 chanmask = 0x00;
2704                 break;
2705         case 4:
2706                 chanmask = 0x08;
2707                 break;
2708         case 6:
2709                 chanmask = 0x0b;
2710                 break;
2711         case 8:
2712                 chanmask = 0x13;
2713                 break;
2714         }
2715
2716         /* Set the audio infoframe channel allocation and checksum fields.  The
2717          * channel count is computed implicitly by the hardware. */
2718         snd_hda_codec_write(codec, 0x1, 0,
2719                         Nv_VERB_SET_Channel_Allocation, chanmask);
2720
2721         snd_hda_codec_write(codec, 0x1, 0,
2722                         Nv_VERB_SET_Info_Frame_Checksum,
2723                         (0x71 - chan - chanmask));
2724 }
2725
2726 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2727                                    struct hda_codec *codec,
2728                                    struct snd_pcm_substream *substream)
2729 {
2730         struct hdmi_spec *spec = codec->spec;
2731         int i;
2732
2733         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2734                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2735         for (i = 0; i < 4; i++) {
2736                 /* set the stream id */
2737                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2738                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2739                 /* set the stream format */
2740                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2741                                 AC_VERB_SET_STREAM_FORMAT, 0);
2742         }
2743
2744         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2745          * streams are disabled. */
2746         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2747
2748         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2749 }
2750
2751 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2752                                      struct hda_codec *codec,
2753                                      unsigned int stream_tag,
2754                                      unsigned int format,
2755                                      struct snd_pcm_substream *substream)
2756 {
2757         int chs;
2758         unsigned int dataDCC2, channel_id;
2759         int i;
2760         struct hdmi_spec *spec = codec->spec;
2761         struct hda_spdif_out *spdif;
2762         struct hdmi_spec_per_cvt *per_cvt;
2763
2764         mutex_lock(&codec->spdif_mutex);
2765         per_cvt = get_cvt(spec, 0);
2766         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2767
2768         chs = substream->runtime->channels;
2769
2770         dataDCC2 = 0x2;
2771
2772         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2773         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2774                 snd_hda_codec_write(codec,
2775                                 nvhdmi_master_con_nid_7x,
2776                                 0,
2777                                 AC_VERB_SET_DIGI_CONVERT_1,
2778                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2779
2780         /* set the stream id */
2781         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2782                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2783
2784         /* set the stream format */
2785         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2786                         AC_VERB_SET_STREAM_FORMAT, format);
2787
2788         /* turn on again (if needed) */
2789         /* enable and set the channel status audio/data flag */
2790         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2791                 snd_hda_codec_write(codec,
2792                                 nvhdmi_master_con_nid_7x,
2793                                 0,
2794                                 AC_VERB_SET_DIGI_CONVERT_1,
2795                                 spdif->ctls & 0xff);
2796                 snd_hda_codec_write(codec,
2797                                 nvhdmi_master_con_nid_7x,
2798                                 0,
2799                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2800         }
2801
2802         for (i = 0; i < 4; i++) {
2803                 if (chs == 2)
2804                         channel_id = 0;
2805                 else
2806                         channel_id = i * 2;
2807
2808                 /* turn off SPDIF once;
2809                  *otherwise the IEC958 bits won't be updated
2810                  */
2811                 if (codec->spdif_status_reset &&
2812                 (spdif->ctls & AC_DIG1_ENABLE))
2813                         snd_hda_codec_write(codec,
2814                                 nvhdmi_con_nids_7x[i],
2815                                 0,
2816                                 AC_VERB_SET_DIGI_CONVERT_1,
2817                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2818                 /* set the stream id */
2819                 snd_hda_codec_write(codec,
2820                                 nvhdmi_con_nids_7x[i],
2821                                 0,
2822                                 AC_VERB_SET_CHANNEL_STREAMID,
2823                                 (stream_tag << 4) | channel_id);
2824                 /* set the stream format */
2825                 snd_hda_codec_write(codec,
2826                                 nvhdmi_con_nids_7x[i],
2827                                 0,
2828                                 AC_VERB_SET_STREAM_FORMAT,
2829                                 format);
2830                 /* turn on again (if needed) */
2831                 /* enable and set the channel status audio/data flag */
2832                 if (codec->spdif_status_reset &&
2833                 (spdif->ctls & AC_DIG1_ENABLE)) {
2834                         snd_hda_codec_write(codec,
2835                                         nvhdmi_con_nids_7x[i],
2836                                         0,
2837                                         AC_VERB_SET_DIGI_CONVERT_1,
2838                                         spdif->ctls & 0xff);
2839                         snd_hda_codec_write(codec,
2840                                         nvhdmi_con_nids_7x[i],
2841                                         0,
2842                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2843                 }
2844         }
2845
2846         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2847
2848         mutex_unlock(&codec->spdif_mutex);
2849         return 0;
2850 }
2851
2852 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2853         .substreams = 1,
2854         .channels_min = 2,
2855         .channels_max = 8,
2856         .nid = nvhdmi_master_con_nid_7x,
2857         .rates = SUPPORTED_RATES,
2858         .maxbps = SUPPORTED_MAXBPS,
2859         .formats = SUPPORTED_FORMATS,
2860         .ops = {
2861                 .open = simple_playback_pcm_open,
2862                 .close = nvhdmi_8ch_7x_pcm_close,
2863                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2864         },
2865 };
2866
2867 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2868 {
2869         struct hdmi_spec *spec;
2870         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2871                                     nvhdmi_master_pin_nid_7x);
2872         if (err < 0)
2873                 return err;
2874
2875         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2876         /* override the PCM rates, etc, as the codec doesn't give full list */
2877         spec = codec->spec;
2878         spec->pcm_playback.rates = SUPPORTED_RATES;
2879         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2880         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2881         return 0;
2882 }
2883
2884 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2885 {
2886         struct hdmi_spec *spec = codec->spec;
2887         int err = simple_playback_build_pcms(codec);
2888         if (!err) {
2889                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2890                 info->own_chmap = true;
2891         }
2892         return err;
2893 }
2894
2895 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2896 {
2897         struct hdmi_spec *spec = codec->spec;
2898         struct hda_pcm *info;
2899         struct snd_pcm_chmap *chmap;
2900         int err;
2901
2902         err = simple_playback_build_controls(codec);
2903         if (err < 0)
2904                 return err;
2905
2906         /* add channel maps */
2907         info = get_pcm_rec(spec, 0);
2908         err = snd_pcm_add_chmap_ctls(info->pcm,
2909                                      SNDRV_PCM_STREAM_PLAYBACK,
2910                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2911         if (err < 0)
2912                 return err;
2913         switch (codec->preset->vendor_id) {
2914         case 0x10de0002:
2915         case 0x10de0003:
2916         case 0x10de0005:
2917         case 0x10de0006:
2918                 chmap->channel_mask = (1U << 2) | (1U << 8);
2919                 break;
2920         case 0x10de0007:
2921                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2922         }
2923         return 0;
2924 }
2925
2926 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2927 {
2928         struct hdmi_spec *spec;
2929         int err = patch_nvhdmi_2ch(codec);
2930         if (err < 0)
2931                 return err;
2932         spec = codec->spec;
2933         spec->multiout.max_channels = 8;
2934         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2935         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2936         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2937         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2938
2939         /* Initialize the audio infoframe channel mask and checksum to something
2940          * valid */
2941         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2942
2943         return 0;
2944 }
2945
2946 /*
2947  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2948  * - 0x10de0015
2949  * - 0x10de0040
2950  */
2951 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
2952                                                     int channels)
2953 {
2954         if (cap->ca_index == 0x00 && channels == 2)
2955                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2956
2957         return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
2958 }
2959
2960 static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
2961 {
2962         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2963                 return -EINVAL;
2964
2965         return 0;
2966 }
2967
2968 static int patch_nvhdmi(struct hda_codec *codec)
2969 {
2970         struct hdmi_spec *spec;
2971         int err;
2972
2973         err = patch_generic_hdmi(codec);
2974         if (err)
2975                 return err;
2976
2977         spec = codec->spec;
2978         spec->dyn_pin_out = true;
2979
2980         spec->ops.chmap_cea_alloc_validate_get_type =
2981                 nvhdmi_chmap_cea_alloc_validate_get_type;
2982         spec->ops.chmap_validate = nvhdmi_chmap_validate;
2983
2984         return 0;
2985 }
2986
2987 /*
2988  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
2989  * accessed using vendor-defined verbs. These registers can be used for
2990  * interoperability between the HDA and HDMI drivers.
2991  */
2992
2993 /* Audio Function Group node */
2994 #define NVIDIA_AFG_NID 0x01
2995
2996 /*
2997  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
2998  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
2999  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
3000  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
3001  * additional bit (at position 30) to signal the validity of the format.
3002  *
3003  * | 31      | 30    | 29  16 | 15   0 |
3004  * +---------+-------+--------+--------+
3005  * | TRIGGER | VALID | UNUSED | FORMAT |
3006  * +-----------------------------------|
3007  *
3008  * Note that for the trigger bit to take effect it needs to change value
3009  * (i.e. it needs to be toggled).
3010  */
3011 #define NVIDIA_GET_SCRATCH0             0xfa6
3012 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
3013 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
3014 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
3015 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
3016 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
3017 #define NVIDIA_SCRATCH_VALID   (1 << 6)
3018
3019 #define NVIDIA_GET_SCRATCH1             0xfab
3020 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
3021 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
3022 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
3023 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
3024
3025 /*
3026  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
3027  * the format is invalidated so that the HDMI codec can be disabled.
3028  */
3029 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
3030 {
3031         unsigned int value;
3032
3033         /* bits [31:30] contain the trigger and valid bits */
3034         value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
3035                                    NVIDIA_GET_SCRATCH0, 0);
3036         value = (value >> 24) & 0xff;
3037
3038         /* bits [15:0] are used to store the HDA format */
3039         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3040                             NVIDIA_SET_SCRATCH0_BYTE0,
3041                             (format >> 0) & 0xff);
3042         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3043                             NVIDIA_SET_SCRATCH0_BYTE1,
3044                             (format >> 8) & 0xff);
3045
3046         /* bits [16:24] are unused */
3047         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3048                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
3049
3050         /*
3051          * Bit 30 signals that the data is valid and hence that HDMI audio can
3052          * be enabled.
3053          */
3054         if (format == 0)
3055                 value &= ~NVIDIA_SCRATCH_VALID;
3056         else
3057                 value |= NVIDIA_SCRATCH_VALID;
3058
3059         /*
3060          * Whenever the trigger bit is toggled, an interrupt is raised in the
3061          * HDMI codec. The HDMI driver will use that as trigger to update its
3062          * configuration.
3063          */
3064         value ^= NVIDIA_SCRATCH_TRIGGER;
3065
3066         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3067                             NVIDIA_SET_SCRATCH0_BYTE3, value);
3068 }
3069
3070 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3071                                   struct hda_codec *codec,
3072                                   unsigned int stream_tag,
3073                                   unsigned int format,
3074                                   struct snd_pcm_substream *substream)
3075 {
3076         int err;
3077
3078         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3079                                                 format, substream);
3080         if (err < 0)
3081                 return err;
3082
3083         /* notify the HDMI codec of the format change */
3084         tegra_hdmi_set_format(codec, format);
3085
3086         return 0;
3087 }
3088
3089 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3090                                   struct hda_codec *codec,
3091                                   struct snd_pcm_substream *substream)
3092 {
3093         /* invalidate the format in the HDMI codec */
3094         tegra_hdmi_set_format(codec, 0);
3095
3096         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3097 }
3098
3099 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3100 {
3101         struct hdmi_spec *spec = codec->spec;
3102         unsigned int i;
3103
3104         for (i = 0; i < spec->num_pins; i++) {
3105                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3106
3107                 if (pcm->pcm_type == type)
3108                         return pcm;
3109         }
3110
3111         return NULL;
3112 }
3113
3114 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3115 {
3116         struct hda_pcm_stream *stream;
3117         struct hda_pcm *pcm;
3118         int err;
3119
3120         err = generic_hdmi_build_pcms(codec);
3121         if (err < 0)
3122                 return err;
3123
3124         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3125         if (!pcm)
3126                 return -ENODEV;
3127
3128         /*
3129          * Override ->prepare() and ->cleanup() operations to notify the HDMI
3130          * codec about format changes.
3131          */
3132         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3133         stream->ops.prepare = tegra_hdmi_pcm_prepare;
3134         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3135
3136         return 0;
3137 }
3138
3139 static int patch_tegra_hdmi(struct hda_codec *codec)
3140 {
3141         int err;
3142
3143         err = patch_generic_hdmi(codec);
3144         if (err)
3145                 return err;
3146
3147         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3148
3149         return 0;
3150 }
3151
3152 /*
3153  * ATI/AMD-specific implementations
3154  */
3155
3156 #define is_amdhdmi_rev3_or_later(codec) \
3157         ((codec)->core.vendor_id == 0x1002aa01 && \
3158          ((codec)->core.revision_id & 0xff00) >= 0x0300)
3159 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3160
3161 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3162 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3163 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
3164 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
3165 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
3166 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
3167 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
3168 #define ATI_VERB_SET_HBR_CONTROL        0x77c
3169 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
3170 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
3171 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
3172 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
3173 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
3174 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3175 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
3176 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
3177 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
3178 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
3179 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
3180 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
3181 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
3182 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
3183 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
3184 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
3185 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
3186
3187 /* AMD specific HDA cvt verbs */
3188 #define ATI_VERB_SET_RAMP_RATE          0x770
3189 #define ATI_VERB_GET_RAMP_RATE          0xf70
3190
3191 #define ATI_OUT_ENABLE 0x1
3192
3193 #define ATI_MULTICHANNEL_MODE_PAIRED    0
3194 #define ATI_MULTICHANNEL_MODE_SINGLE    1
3195
3196 #define ATI_HBR_CAPABLE 0x01
3197 #define ATI_HBR_ENABLE 0x10
3198
3199 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3200                            unsigned char *buf, int *eld_size)
3201 {
3202         /* call hda_eld.c ATI/AMD-specific function */
3203         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3204                                     is_amdhdmi_rev3_or_later(codec));
3205 }
3206
3207 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3208                                         int active_channels, int conn_type)
3209 {
3210         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3211 }
3212
3213 static int atihdmi_paired_swap_fc_lfe(int pos)
3214 {
3215         /*
3216          * ATI/AMD have automatic FC/LFE swap built-in
3217          * when in pairwise mapping mode.
3218          */
3219
3220         switch (pos) {
3221                 /* see channel_allocations[].speakers[] */
3222                 case 2: return 3;
3223                 case 3: return 2;
3224                 default: break;
3225         }
3226
3227         return pos;
3228 }
3229
3230 static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
3231 {
3232         struct cea_channel_speaker_allocation *cap;
3233         int i, j;
3234
3235         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3236
3237         cap = &channel_allocations[get_channel_allocation_order(ca)];
3238         for (i = 0; i < chs; ++i) {
3239                 int mask = to_spk_mask(map[i]);
3240                 bool ok = false;
3241                 bool companion_ok = false;
3242
3243                 if (!mask)
3244                         continue;
3245
3246                 for (j = 0 + i % 2; j < 8; j += 2) {
3247                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3248                         if (cap->speakers[chan_idx] == mask) {
3249                                 /* channel is in a supported position */
3250                                 ok = true;
3251
3252                                 if (i % 2 == 0 && i + 1 < chs) {
3253                                         /* even channel, check the odd companion */
3254                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3255                                         int comp_mask_req = to_spk_mask(map[i+1]);
3256                                         int comp_mask_act = cap->speakers[comp_chan_idx];
3257
3258                                         if (comp_mask_req == comp_mask_act)
3259                                                 companion_ok = true;
3260                                         else
3261                                                 return -EINVAL;
3262                                 }
3263                                 break;
3264                         }
3265                 }
3266
3267                 if (!ok)
3268                         return -EINVAL;
3269
3270                 if (companion_ok)
3271                         i++; /* companion channel already checked */
3272         }
3273
3274         return 0;
3275 }
3276
3277 static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3278                                         int hdmi_slot, int stream_channel)
3279 {
3280         int verb;
3281         int ati_channel_setup = 0;
3282
3283         if (hdmi_slot > 7)
3284                 return -EINVAL;
3285
3286         if (!has_amd_full_remap_support(codec)) {
3287                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3288
3289                 /* In case this is an odd slot but without stream channel, do not
3290                  * disable the slot since the corresponding even slot could have a
3291                  * channel. In case neither have a channel, the slot pair will be
3292                  * disabled when this function is called for the even slot. */
3293                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3294                         return 0;
3295
3296                 hdmi_slot -= hdmi_slot % 2;
3297
3298                 if (stream_channel != 0xf)
3299                         stream_channel -= stream_channel % 2;
3300         }
3301
3302         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3303
3304         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3305
3306         if (stream_channel != 0xf)
3307                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3308
3309         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3310 }
3311
3312 static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3313                                         int asp_slot)
3314 {
3315         bool was_odd = false;
3316         int ati_asp_slot = asp_slot;
3317         int verb;
3318         int ati_channel_setup;
3319
3320         if (asp_slot > 7)
3321                 return -EINVAL;
3322
3323         if (!has_amd_full_remap_support(codec)) {
3324                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3325                 if (ati_asp_slot % 2 != 0) {
3326                         ati_asp_slot -= 1;
3327                         was_odd = true;
3328                 }
3329         }
3330
3331         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3332
3333         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3334
3335         if (!(ati_channel_setup & ATI_OUT_ENABLE))
3336                 return 0xf;
3337
3338         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3339 }
3340
3341 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
3342                                                             int channels)
3343 {
3344         int c;
3345
3346         /*
3347          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3348          * we need to take that into account (a single channel may take 2
3349          * channel slots if we need to carry a silent channel next to it).
3350          * On Rev3+ AMD codecs this function is not used.
3351          */
3352         int chanpairs = 0;
3353
3354         /* We only produce even-numbered channel count TLVs */
3355         if ((channels % 2) != 0)
3356                 return -1;
3357
3358         for (c = 0; c < 7; c += 2) {
3359                 if (cap->speakers[c] || cap->speakers[c+1])
3360                         chanpairs++;
3361         }
3362
3363         if (chanpairs * 2 != channels)
3364                 return -1;
3365
3366         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3367 }
3368
3369 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
3370                                                   unsigned int *chmap, int channels)
3371 {
3372         /* produce paired maps for pre-rev3 ATI/AMD codecs */
3373         int count = 0;
3374         int c;
3375
3376         for (c = 7; c >= 0; c--) {
3377                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3378                 int spk = cap->speakers[chan];
3379                 if (!spk) {
3380                         /* add N/A channel if the companion channel is occupied */
3381                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3382                                 chmap[count++] = SNDRV_CHMAP_NA;
3383
3384                         continue;
3385                 }
3386
3387                 chmap[count++] = spk_to_chmap(spk);
3388         }
3389
3390         WARN_ON(count != channels);
3391 }
3392
3393 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3394                                  bool hbr)
3395 {
3396         int hbr_ctl, hbr_ctl_new;
3397
3398         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3399         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3400                 if (hbr)
3401                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3402                 else
3403                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3404
3405                 codec_dbg(codec,
3406                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3407                                 pin_nid,
3408                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
3409                                 hbr_ctl_new);
3410
3411                 if (hbr_ctl != hbr_ctl_new)
3412                         snd_hda_codec_write(codec, pin_nid, 0,
3413                                                 ATI_VERB_SET_HBR_CONTROL,
3414                                                 hbr_ctl_new);
3415
3416         } else if (hbr)
3417                 return -EINVAL;
3418
3419         return 0;
3420 }
3421
3422 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3423                                 hda_nid_t pin_nid, u32 stream_tag, int format)
3424 {
3425
3426         if (is_amdhdmi_rev3_or_later(codec)) {
3427                 int ramp_rate = 180; /* default as per AMD spec */
3428                 /* disable ramp-up/down for non-pcm as per AMD spec */
3429                 if (format & AC_FMT_TYPE_NON_PCM)
3430                         ramp_rate = 0;
3431
3432                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3433         }
3434
3435         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3436 }
3437
3438
3439 static int atihdmi_init(struct hda_codec *codec)
3440 {
3441         struct hdmi_spec *spec = codec->spec;
3442         int pin_idx, err;
3443
3444         err = generic_hdmi_init(codec);
3445
3446         if (err)
3447                 return err;
3448
3449         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3450                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3451
3452                 /* make sure downmix information in infoframe is zero */
3453                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3454
3455                 /* enable channel-wise remap mode if supported */
3456                 if (has_amd_full_remap_support(codec))
3457                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3458                                             ATI_VERB_SET_MULTICHANNEL_MODE,
3459                                             ATI_MULTICHANNEL_MODE_SINGLE);
3460         }
3461
3462         return 0;
3463 }
3464
3465 static int patch_atihdmi(struct hda_codec *codec)
3466 {
3467         struct hdmi_spec *spec;
3468         struct hdmi_spec_per_cvt *per_cvt;
3469         int err, cvt_idx;
3470
3471         err = patch_generic_hdmi(codec);
3472
3473         if (err)
3474                 return err;
3475
3476         codec->patch_ops.init = atihdmi_init;
3477
3478         spec = codec->spec;
3479
3480         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3481         spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3482         spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3483         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3484         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3485         spec->ops.setup_stream = atihdmi_setup_stream;
3486
3487         if (!has_amd_full_remap_support(codec)) {
3488                 /* override to ATI/AMD-specific versions with pairwise mapping */
3489                 spec->ops.chmap_cea_alloc_validate_get_type =
3490                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
3491                 spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
3492                 spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
3493         }
3494
3495         /* ATI/AMD converters do not advertise all of their capabilities */
3496         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3497                 per_cvt = get_cvt(spec, cvt_idx);
3498                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3499                 per_cvt->rates |= SUPPORTED_RATES;
3500                 per_cvt->formats |= SUPPORTED_FORMATS;
3501                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3502         }
3503
3504         spec->channels_max = max(spec->channels_max, 8u);
3505
3506         return 0;
3507 }
3508
3509 /* VIA HDMI Implementation */
3510 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
3511 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
3512
3513 static int patch_via_hdmi(struct hda_codec *codec)
3514 {
3515         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3516 }
3517
3518 /*
3519  * patch entries
3520  */
3521 static const struct hda_device_id snd_hda_id_hdmi[] = {
3522 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
3523 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
3524 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
3525 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
3526 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
3527 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
3528 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
3529 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3530 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3531 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3532 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3533 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
3534 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi),
3535 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi),
3536 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi),
3537 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi),
3538 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi),
3539 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi),
3540 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi),
3541 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi),
3542 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi),
3543 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi),
3544 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi),
3545 /* 17 is known to be absent */
3546 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi),
3547 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi),
3548 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi),
3549 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi),
3550 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi),
3551 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
3552 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
3553 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
3554 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
3555 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
3556 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
3557 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
3558 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
3559 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
3560 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
3561 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
3562 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
3563 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
3564 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
3565 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
3566 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
3567 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
3568 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
3569 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
3570 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
3571 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
3572 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_generic_hdmi),
3573 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
3574 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
3575 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
3576 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_generic_hdmi),
3577 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_generic_hdmi),
3578 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_generic_hdmi),
3579 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_generic_hdmi),
3580 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_generic_hdmi),
3581 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_generic_hdmi),
3582 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_generic_hdmi),
3583 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
3584 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_generic_hdmi),
3585 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_generic_hdmi),
3586 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
3587 /* special ID for generic HDMI */
3588 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
3589 {} /* terminator */
3590 };
3591 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
3592
3593 MODULE_LICENSE("GPL");
3594 MODULE_DESCRIPTION("HDMI HD-audio codec");
3595 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3596 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3597 MODULE_ALIAS("snd-hda-codec-atihdmi");
3598
3599 static struct hda_codec_driver hdmi_driver = {
3600         .id = snd_hda_id_hdmi,
3601 };
3602
3603 module_hda_codec_driver(hdmi_driver);