ALSA: hda: Add Nvidia Tegra HDMI support
[linux-2.6.git] / 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  *
10  *  Authors:
11  *                      Wu Fengguang <wfg@linux.intel.com>
12  *
13  *  Maintained by:
14  *                      Wu Fengguang <wfg@linux.intel.com>
15  *
16  *  This program is free software; you can redistribute it and/or modify it
17  *  under the terms of the GNU General Public License as published by the Free
18  *  Software Foundation; either version 2 of the License, or (at your option)
19  *  any later version.
20  *
21  *  This program is distributed in the hope that it will be useful, but
22  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
23  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
24  *  for more details.
25  *
26  *  You should have received a copy of the GNU General Public License
27  *  along with this program; if not, write to the Free Software Foundation,
28  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
29  */
30
31 #include <linux/init.h>
32 #include <linux/delay.h>
33 #include <linux/slab.h>
34 #include <linux/module.h>
35 #include <sound/core.h>
36 #include <sound/jack.h>
37 #include "hda_codec.h"
38 #include "hda_local.h"
39 #include "hda_jack.h"
40
41 static bool static_hdmi_pcm;
42 module_param(static_hdmi_pcm, bool, 0644);
43 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
44
45 /*
46  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
47  * could support N independent pipes, each of them can be connected to one or
48  * more ports (DVI, HDMI or DisplayPort).
49  *
50  * The HDA correspondence of pipes/ports are converter/pin nodes.
51  */
52 #define MAX_HDMI_CVTS   8
53 #define MAX_HDMI_PINS   8
54
55 struct hdmi_spec_per_cvt {
56         hda_nid_t cvt_nid;
57         int assigned;
58         unsigned int channels_min;
59         unsigned int channels_max;
60         u32 rates;
61         u64 formats;
62         unsigned int maxbps;
63 };
64
65 struct hdmi_spec_per_pin {
66         hda_nid_t pin_nid;
67         int num_mux_nids;
68         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
69
70         struct hda_codec *codec;
71         struct hdmi_eld sink_eld;
72         struct delayed_work work;
73         int repoll_count;
74 };
75
76 struct hdmi_spec {
77         int num_cvts;
78         struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
79
80         int num_pins;
81         struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
82         struct hda_pcm pcm_rec[MAX_HDMI_PINS];
83
84         /*
85          * Non-generic ATI/NVIDIA specific
86          */
87         struct hda_multi_out multiout;
88         const struct hda_pcm_stream *pcm_playback;
89 };
90
91
92 struct hdmi_audio_infoframe {
93         u8 type; /* 0x84 */
94         u8 ver;  /* 0x01 */
95         u8 len;  /* 0x0a */
96
97         u8 checksum;
98
99         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
100         u8 SS01_SF24;
101         u8 CXT04;
102         u8 CA;
103         u8 LFEPBL01_LSV36_DM_INH7;
104 };
105
106 struct dp_audio_infoframe {
107         u8 type; /* 0x84 */
108         u8 len;  /* 0x1b */
109         u8 ver;  /* 0x11 << 2 */
110
111         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
112         u8 SS01_SF24;
113         u8 CXT04;
114         u8 CA;
115         u8 LFEPBL01_LSV36_DM_INH7;
116 };
117
118 union audio_infoframe {
119         struct hdmi_audio_infoframe hdmi;
120         struct dp_audio_infoframe dp;
121         u8 bytes[0];
122 };
123
124 /*
125  * CEA speaker placement:
126  *
127  *        FLH       FCH        FRH
128  *  FLW    FL  FLC   FC   FRC   FR   FRW
129  *
130  *                                  LFE
131  *                     TC
132  *
133  *          RL  RLC   RC   RRC   RR
134  *
135  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
136  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
137  */
138 enum cea_speaker_placement {
139         FL  = (1 <<  0),        /* Front Left           */
140         FC  = (1 <<  1),        /* Front Center         */
141         FR  = (1 <<  2),        /* Front Right          */
142         FLC = (1 <<  3),        /* Front Left Center    */
143         FRC = (1 <<  4),        /* Front Right Center   */
144         RL  = (1 <<  5),        /* Rear Left            */
145         RC  = (1 <<  6),        /* Rear Center          */
146         RR  = (1 <<  7),        /* Rear Right           */
147         RLC = (1 <<  8),        /* Rear Left Center     */
148         RRC = (1 <<  9),        /* Rear Right Center    */
149         LFE = (1 << 10),        /* Low Frequency Effect */
150         FLW = (1 << 11),        /* Front Left Wide      */
151         FRW = (1 << 12),        /* Front Right Wide     */
152         FLH = (1 << 13),        /* Front Left High      */
153         FCH = (1 << 14),        /* Front Center High    */
154         FRH = (1 << 15),        /* Front Right High     */
155         TC  = (1 << 16),        /* Top Center           */
156 };
157
158 /*
159  * ELD SA bits in the CEA Speaker Allocation data block
160  */
161 static int eld_speaker_allocation_bits[] = {
162         [0] = FL | FR,
163         [1] = LFE,
164         [2] = FC,
165         [3] = RL | RR,
166         [4] = RC,
167         [5] = FLC | FRC,
168         [6] = RLC | RRC,
169         /* the following are not defined in ELD yet */
170         [7] = FLW | FRW,
171         [8] = FLH | FRH,
172         [9] = TC,
173         [10] = FCH,
174 };
175
176 struct cea_channel_speaker_allocation {
177         int ca_index;
178         int speakers[8];
179
180         /* derived values, just for convenience */
181         int channels;
182         int spk_mask;
183 };
184
185 /*
186  * ALSA sequence is:
187  *
188  *       surround40   surround41   surround50   surround51   surround71
189  * ch0   front left   =            =            =            =
190  * ch1   front right  =            =            =            =
191  * ch2   rear left    =            =            =            =
192  * ch3   rear right   =            =            =            =
193  * ch4                LFE          center       center       center
194  * ch5                                          LFE          LFE
195  * ch6                                                       side left
196  * ch7                                                       side right
197  *
198  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
199  */
200 static int hdmi_channel_mapping[0x32][8] = {
201         /* stereo */
202         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
203         /* 2.1 */
204         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
205         /* Dolby Surround */
206         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
207         /* surround40 */
208         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
209         /* 4ch */
210         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
211         /* surround41 */
212         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
213         /* surround50 */
214         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
215         /* surround51 */
216         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
217         /* 7.1 */
218         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
219 };
220
221 /*
222  * This is an ordered list!
223  *
224  * The preceding ones have better chances to be selected by
225  * hdmi_channel_allocation().
226  */
227 static struct cea_channel_speaker_allocation channel_allocations[] = {
228 /*                        channel:   7     6    5    4    3     2    1    0  */
229 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
230                                  /* 2.1 */
231 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
232                                  /* Dolby Surround */
233 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
234                                  /* surround40 */
235 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
236                                  /* surround41 */
237 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
238                                  /* surround50 */
239 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
240                                  /* surround51 */
241 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
242                                  /* 6.1 */
243 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
244                                  /* surround71 */
245 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
246
247 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
248 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
249 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
250 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
251 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
252 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
253 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
254 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
255 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
256 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
257 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
258 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
259 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
260 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
261 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
262 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
263 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
264 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
265 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
266 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
267 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
268 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
269 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
270 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
271 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
272 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
273 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
274 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
275 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
276 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
277 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
278 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
279 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
280 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
281 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
282 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
283 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
284 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
285 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
286 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
287 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
288 };
289
290
291 /*
292  * HDMI routines
293  */
294
295 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
296 {
297         int pin_idx;
298
299         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
300                 if (spec->pins[pin_idx].pin_nid == pin_nid)
301                         return pin_idx;
302
303         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
304         return -EINVAL;
305 }
306
307 static int hinfo_to_pin_index(struct hdmi_spec *spec,
308                               struct hda_pcm_stream *hinfo)
309 {
310         int pin_idx;
311
312         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
313                 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
314                         return pin_idx;
315
316         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
317         return -EINVAL;
318 }
319
320 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
321 {
322         int cvt_idx;
323
324         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
325                 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
326                         return cvt_idx;
327
328         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
329         return -EINVAL;
330 }
331
332 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
333                         struct snd_ctl_elem_info *uinfo)
334 {
335         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
336         struct hdmi_spec *spec;
337         int pin_idx;
338
339         spec = codec->spec;
340         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
341
342         pin_idx = kcontrol->private_value;
343         uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
344
345         return 0;
346 }
347
348 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
349                         struct snd_ctl_elem_value *ucontrol)
350 {
351         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
352         struct hdmi_spec *spec;
353         int pin_idx;
354
355         spec = codec->spec;
356         pin_idx = kcontrol->private_value;
357
358         memcpy(ucontrol->value.bytes.data,
359                 spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
360
361         return 0;
362 }
363
364 static struct snd_kcontrol_new eld_bytes_ctl = {
365         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
366         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
367         .name = "ELD",
368         .info = hdmi_eld_ctl_info,
369         .get = hdmi_eld_ctl_get,
370 };
371
372 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
373                         int device)
374 {
375         struct snd_kcontrol *kctl;
376         struct hdmi_spec *spec = codec->spec;
377         int err;
378
379         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
380         if (!kctl)
381                 return -ENOMEM;
382         kctl->private_value = pin_idx;
383         kctl->id.device = device;
384
385         err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
386         if (err < 0)
387                 return err;
388
389         return 0;
390 }
391
392 #ifdef BE_PARANOID
393 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
394                                 int *packet_index, int *byte_index)
395 {
396         int val;
397
398         val = snd_hda_codec_read(codec, pin_nid, 0,
399                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
400
401         *packet_index = val >> 5;
402         *byte_index = val & 0x1f;
403 }
404 #endif
405
406 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
407                                 int packet_index, int byte_index)
408 {
409         int val;
410
411         val = (packet_index << 5) | (byte_index & 0x1f);
412
413         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
414 }
415
416 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
417                                 unsigned char val)
418 {
419         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
420 }
421
422 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
423 {
424         /* Unmute */
425         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
426                 snd_hda_codec_write(codec, pin_nid, 0,
427                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
428         /* Disable pin out until stream is active*/
429         snd_hda_codec_write(codec, pin_nid, 0,
430                             AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
431 }
432
433 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
434 {
435         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
436                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
437 }
438
439 static void hdmi_set_channel_count(struct hda_codec *codec,
440                                    hda_nid_t cvt_nid, int chs)
441 {
442         if (chs != hdmi_get_channel_count(codec, cvt_nid))
443                 snd_hda_codec_write(codec, cvt_nid, 0,
444                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
445 }
446
447
448 /*
449  * Channel mapping routines
450  */
451
452 /*
453  * Compute derived values in channel_allocations[].
454  */
455 static void init_channel_allocations(void)
456 {
457         int i, j;
458         struct cea_channel_speaker_allocation *p;
459
460         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
461                 p = channel_allocations + i;
462                 p->channels = 0;
463                 p->spk_mask = 0;
464                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
465                         if (p->speakers[j]) {
466                                 p->channels++;
467                                 p->spk_mask |= p->speakers[j];
468                         }
469         }
470 }
471
472 /*
473  * The transformation takes two steps:
474  *
475  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
476  *            spk_mask => (channel_allocations[])         => ai->CA
477  *
478  * TODO: it could select the wrong CA from multiple candidates.
479 */
480 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
481 {
482         int i;
483         int ca = 0;
484         int spk_mask = 0;
485         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
486
487         /*
488          * CA defaults to 0 for basic stereo audio
489          */
490         if (channels <= 2)
491                 return 0;
492
493         /*
494          * expand ELD's speaker allocation mask
495          *
496          * ELD tells the speaker mask in a compact(paired) form,
497          * expand ELD's notions to match the ones used by Audio InfoFrame.
498          */
499         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
500                 if (eld->spk_alloc & (1 << i))
501                         spk_mask |= eld_speaker_allocation_bits[i];
502         }
503
504         /* search for the first working match in the CA table */
505         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
506                 if (channels == channel_allocations[i].channels &&
507                     (spk_mask & channel_allocations[i].spk_mask) ==
508                                 channel_allocations[i].spk_mask) {
509                         ca = channel_allocations[i].ca_index;
510                         break;
511                 }
512         }
513
514         snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
515         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
516                     ca, channels, buf);
517
518         return ca;
519 }
520
521 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
522                                        hda_nid_t pin_nid)
523 {
524 #ifdef CONFIG_SND_DEBUG_VERBOSE
525         int i;
526         int slot;
527
528         for (i = 0; i < 8; i++) {
529                 slot = snd_hda_codec_read(codec, pin_nid, 0,
530                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
531                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
532                                                 slot >> 4, slot & 0xf);
533         }
534 #endif
535 }
536
537
538 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
539                                        hda_nid_t pin_nid,
540                                        int ca)
541 {
542         int i;
543         int err;
544
545         if (hdmi_channel_mapping[ca][1] == 0) {
546                 for (i = 0; i < channel_allocations[ca].channels; i++)
547                         hdmi_channel_mapping[ca][i] = i | (i << 4);
548                 for (; i < 8; i++)
549                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
550         }
551
552         for (i = 0; i < 8; i++) {
553                 err = snd_hda_codec_write(codec, pin_nid, 0,
554                                           AC_VERB_SET_HDMI_CHAN_SLOT,
555                                           hdmi_channel_mapping[ca][i]);
556                 if (err) {
557                         snd_printdd(KERN_NOTICE
558                                     "HDMI: channel mapping failed\n");
559                         break;
560                 }
561         }
562
563         hdmi_debug_channel_mapping(codec, pin_nid);
564 }
565
566
567 /*
568  * Audio InfoFrame routines
569  */
570
571 /*
572  * Enable Audio InfoFrame Transmission
573  */
574 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
575                                        hda_nid_t pin_nid)
576 {
577         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
578         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
579                                                 AC_DIPXMIT_BEST);
580 }
581
582 /*
583  * Disable Audio InfoFrame Transmission
584  */
585 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
586                                       hda_nid_t pin_nid)
587 {
588         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
589         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
590                                                 AC_DIPXMIT_DISABLE);
591 }
592
593 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
594 {
595 #ifdef CONFIG_SND_DEBUG_VERBOSE
596         int i;
597         int size;
598
599         size = snd_hdmi_get_eld_size(codec, pin_nid);
600         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
601
602         for (i = 0; i < 8; i++) {
603                 size = snd_hda_codec_read(codec, pin_nid, 0,
604                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
605                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
606         }
607 #endif
608 }
609
610 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
611 {
612 #ifdef BE_PARANOID
613         int i, j;
614         int size;
615         int pi, bi;
616         for (i = 0; i < 8; i++) {
617                 size = snd_hda_codec_read(codec, pin_nid, 0,
618                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
619                 if (size == 0)
620                         continue;
621
622                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
623                 for (j = 1; j < 1000; j++) {
624                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
625                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
626                         if (pi != i)
627                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
628                                                 bi, pi, i);
629                         if (bi == 0) /* byte index wrapped around */
630                                 break;
631                 }
632                 snd_printd(KERN_INFO
633                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
634                         i, size, j);
635         }
636 #endif
637 }
638
639 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
640 {
641         u8 *bytes = (u8 *)hdmi_ai;
642         u8 sum = 0;
643         int i;
644
645         hdmi_ai->checksum = 0;
646
647         for (i = 0; i < sizeof(*hdmi_ai); i++)
648                 sum += bytes[i];
649
650         hdmi_ai->checksum = -sum;
651 }
652
653 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
654                                       hda_nid_t pin_nid,
655                                       u8 *dip, int size)
656 {
657         int i;
658
659         hdmi_debug_dip_size(codec, pin_nid);
660         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
661
662         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
663         for (i = 0; i < size; i++)
664                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
665 }
666
667 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
668                                     u8 *dip, int size)
669 {
670         u8 val;
671         int i;
672
673         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
674                                                             != AC_DIPXMIT_BEST)
675                 return false;
676
677         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
678         for (i = 0; i < size; i++) {
679                 val = snd_hda_codec_read(codec, pin_nid, 0,
680                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
681                 if (val != dip[i])
682                         return false;
683         }
684
685         return true;
686 }
687
688 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
689                                         struct snd_pcm_substream *substream)
690 {
691         struct hdmi_spec *spec = codec->spec;
692         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
693         hda_nid_t pin_nid = per_pin->pin_nid;
694         int channels = substream->runtime->channels;
695         struct hdmi_eld *eld;
696         int ca;
697         union audio_infoframe ai;
698
699         eld = &spec->pins[pin_idx].sink_eld;
700         if (!eld->monitor_present)
701                 return;
702
703         ca = hdmi_channel_allocation(eld, channels);
704
705         memset(&ai, 0, sizeof(ai));
706         if (eld->conn_type == 0) { /* HDMI */
707                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
708
709                 hdmi_ai->type           = 0x84;
710                 hdmi_ai->ver            = 0x01;
711                 hdmi_ai->len            = 0x0a;
712                 hdmi_ai->CC02_CT47      = channels - 1;
713                 hdmi_ai->CA             = ca;
714                 hdmi_checksum_audio_infoframe(hdmi_ai);
715         } else if (eld->conn_type == 1) { /* DisplayPort */
716                 struct dp_audio_infoframe *dp_ai = &ai.dp;
717
718                 dp_ai->type             = 0x84;
719                 dp_ai->len              = 0x1b;
720                 dp_ai->ver              = 0x11 << 2;
721                 dp_ai->CC02_CT47        = channels - 1;
722                 dp_ai->CA               = ca;
723         } else {
724                 snd_printd("HDMI: unknown connection type at pin %d\n",
725                             pin_nid);
726                 return;
727         }
728
729         /*
730          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
731          * sizeof(*dp_ai) to avoid partial match/update problems when
732          * the user switches between HDMI/DP monitors.
733          */
734         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
735                                         sizeof(ai))) {
736                 snd_printdd("hdmi_setup_audio_infoframe: "
737                             "pin=%d channels=%d\n",
738                             pin_nid,
739                             channels);
740                 hdmi_setup_channel_mapping(codec, pin_nid, ca);
741                 hdmi_stop_infoframe_trans(codec, pin_nid);
742                 hdmi_fill_audio_infoframe(codec, pin_nid,
743                                             ai.bytes, sizeof(ai));
744                 hdmi_start_infoframe_trans(codec, pin_nid);
745         }
746 }
747
748
749 /*
750  * Unsolicited events
751  */
752
753 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
754
755 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
756 {
757         struct hdmi_spec *spec = codec->spec;
758         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
759         int pin_nid;
760         int pd = !!(res & AC_UNSOL_RES_PD);
761         int eldv = !!(res & AC_UNSOL_RES_ELDV);
762         int pin_idx;
763         struct hda_jack_tbl *jack;
764
765         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
766         if (!jack)
767                 return;
768         pin_nid = jack->nid;
769         jack->jack_dirty = 1;
770
771         printk(KERN_INFO
772                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
773                 codec->addr, pin_nid, pd, eldv);
774
775         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
776         if (pin_idx < 0)
777                 return;
778
779         hdmi_present_sense(&spec->pins[pin_idx], 1);
780         snd_hda_jack_report_sync(codec);
781 }
782
783 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
784 {
785         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
786         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
787         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
788         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
789
790         printk(KERN_INFO
791                 "HDMI CP event: CODEC=%d PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
792                 codec->addr,
793                 tag,
794                 subtag,
795                 cp_state,
796                 cp_ready);
797
798         /* TODO */
799         if (cp_state)
800                 ;
801         if (cp_ready)
802                 ;
803 }
804
805
806 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
807 {
808         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
809         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
810
811         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
812                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
813                 return;
814         }
815
816         if (subtag == 0)
817                 hdmi_intrinsic_event(codec, res);
818         else
819                 hdmi_non_intrinsic_event(codec, res);
820 }
821
822 /*
823  * Callbacks
824  */
825
826 /* HBR should be Non-PCM, 8 channels */
827 #define is_hbr_format(format) \
828         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
829
830 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
831                               hda_nid_t pin_nid, u32 stream_tag, int format)
832 {
833         int pinctl;
834         int new_pinctl = 0;
835
836         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
837                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
838                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
839
840                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
841                 if (is_hbr_format(format))
842                         new_pinctl |= AC_PINCTL_EPT_HBR;
843                 else
844                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
845
846                 snd_printdd("hdmi_setup_stream: "
847                             "NID=0x%x, %spinctl=0x%x\n",
848                             pin_nid,
849                             pinctl == new_pinctl ? "" : "new-",
850                             new_pinctl);
851
852                 if (pinctl != new_pinctl)
853                         snd_hda_codec_write(codec, pin_nid, 0,
854                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
855                                             new_pinctl);
856
857         }
858         if (is_hbr_format(format) && !new_pinctl) {
859                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
860                 return -EINVAL;
861         }
862
863         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
864         return 0;
865 }
866
867 /*
868  * HDA PCM callbacks
869  */
870 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
871                          struct hda_codec *codec,
872                          struct snd_pcm_substream *substream)
873 {
874         struct hdmi_spec *spec = codec->spec;
875         struct snd_pcm_runtime *runtime = substream->runtime;
876         int pin_idx, cvt_idx, mux_idx = 0;
877         struct hdmi_spec_per_pin *per_pin;
878         struct hdmi_eld *eld;
879         struct hdmi_spec_per_cvt *per_cvt = NULL;
880         int pinctl;
881
882         /* Validate hinfo */
883         pin_idx = hinfo_to_pin_index(spec, hinfo);
884         if (snd_BUG_ON(pin_idx < 0))
885                 return -EINVAL;
886         per_pin = &spec->pins[pin_idx];
887         eld = &per_pin->sink_eld;
888
889         /* Dynamically assign converter to stream */
890         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
891                 per_cvt = &spec->cvts[cvt_idx];
892
893                 /* Must not already be assigned */
894                 if (per_cvt->assigned)
895                         continue;
896                 /* Must be in pin's mux's list of converters */
897                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
898                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
899                                 break;
900                 /* Not in mux list */
901                 if (mux_idx == per_pin->num_mux_nids)
902                         continue;
903                 break;
904         }
905         /* No free converters */
906         if (cvt_idx == spec->num_cvts)
907                 return -ENODEV;
908
909         /* Claim converter */
910         per_cvt->assigned = 1;
911         hinfo->nid = per_cvt->cvt_nid;
912
913         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
914                             AC_VERB_SET_CONNECT_SEL,
915                             mux_idx);
916         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
917                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
918         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
919                             AC_VERB_SET_PIN_WIDGET_CONTROL,
920                             pinctl | PIN_OUT);
921         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
922
923         /* Initially set the converter's capabilities */
924         hinfo->channels_min = per_cvt->channels_min;
925         hinfo->channels_max = per_cvt->channels_max;
926         hinfo->rates = per_cvt->rates;
927         hinfo->formats = per_cvt->formats;
928         hinfo->maxbps = per_cvt->maxbps;
929
930         /* Restrict capabilities by ELD if this isn't disabled */
931         if (!static_hdmi_pcm && eld->eld_valid) {
932                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
933                 if (hinfo->channels_min > hinfo->channels_max ||
934                     !hinfo->rates || !hinfo->formats)
935                         return -ENODEV;
936         }
937
938         /* Store the updated parameters */
939         runtime->hw.channels_min = hinfo->channels_min;
940         runtime->hw.channels_max = hinfo->channels_max;
941         runtime->hw.formats = hinfo->formats;
942         runtime->hw.rates = hinfo->rates;
943
944         snd_pcm_hw_constraint_step(substream->runtime, 0,
945                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
946         return 0;
947 }
948
949 /*
950  * HDA/HDMI auto parsing
951  */
952 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
953 {
954         struct hdmi_spec *spec = codec->spec;
955         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
956         hda_nid_t pin_nid = per_pin->pin_nid;
957
958         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
959                 snd_printk(KERN_WARNING
960                            "HDMI: pin %d wcaps %#x "
961                            "does not support connection list\n",
962                            pin_nid, get_wcaps(codec, pin_nid));
963                 return -EINVAL;
964         }
965
966         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
967                                                         per_pin->mux_nids,
968                                                         HDA_MAX_CONNECTIONS);
969
970         return 0;
971 }
972
973 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
974 {
975         struct hda_codec *codec = per_pin->codec;
976         struct hdmi_eld *eld = &per_pin->sink_eld;
977         hda_nid_t pin_nid = per_pin->pin_nid;
978         /*
979          * Always execute a GetPinSense verb here, even when called from
980          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
981          * response's PD bit is not the real PD value, but indicates that
982          * the real PD value changed. An older version of the HD-audio
983          * specification worked this way. Hence, we just ignore the data in
984          * the unsolicited response to avoid custom WARs.
985          */
986         int present = snd_hda_pin_sense(codec, pin_nid);
987         bool eld_valid = false;
988
989         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
990
991         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
992         if (eld->monitor_present)
993                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
994
995         printk(KERN_INFO
996                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
997                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
998
999         if (eld_valid) {
1000                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1001                         snd_hdmi_show_eld(eld);
1002                 else if (repoll) {
1003                         queue_delayed_work(codec->bus->workq,
1004                                            &per_pin->work,
1005                                            msecs_to_jiffies(300));
1006                 }
1007         }
1008 }
1009
1010 static void hdmi_repoll_eld(struct work_struct *work)
1011 {
1012         struct hdmi_spec_per_pin *per_pin =
1013         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1014
1015         if (per_pin->repoll_count++ > 6)
1016                 per_pin->repoll_count = 0;
1017
1018         hdmi_present_sense(per_pin, per_pin->repoll_count);
1019 }
1020
1021 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1022 {
1023         struct hdmi_spec *spec = codec->spec;
1024         unsigned int caps, config;
1025         int pin_idx;
1026         struct hdmi_spec_per_pin *per_pin;
1027         int err;
1028
1029         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1030         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1031                 return 0;
1032
1033         config = snd_hda_codec_read(codec, pin_nid, 0,
1034                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1035         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1036                 return 0;
1037
1038         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1039                 return -E2BIG;
1040
1041         pin_idx = spec->num_pins;
1042         per_pin = &spec->pins[pin_idx];
1043
1044         per_pin->pin_nid = pin_nid;
1045
1046         err = hdmi_read_pin_conn(codec, pin_idx);
1047         if (err < 0)
1048                 return err;
1049
1050         spec->num_pins++;
1051
1052         return 0;
1053 }
1054
1055 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1056 {
1057         struct hdmi_spec *spec = codec->spec;
1058         int cvt_idx;
1059         struct hdmi_spec_per_cvt *per_cvt;
1060         unsigned int chans;
1061         int err;
1062
1063         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1064                 return -E2BIG;
1065
1066         chans = get_wcaps(codec, cvt_nid);
1067         chans = get_wcaps_channels(chans);
1068
1069         cvt_idx = spec->num_cvts;
1070         per_cvt = &spec->cvts[cvt_idx];
1071
1072         per_cvt->cvt_nid = cvt_nid;
1073         per_cvt->channels_min = 2;
1074         if (chans <= 16)
1075                 per_cvt->channels_max = chans;
1076
1077         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1078                                           &per_cvt->rates,
1079                                           &per_cvt->formats,
1080                                           &per_cvt->maxbps);
1081         if (err < 0)
1082                 return err;
1083
1084         spec->num_cvts++;
1085
1086         return 0;
1087 }
1088
1089 static int hdmi_parse_codec(struct hda_codec *codec)
1090 {
1091         hda_nid_t nid;
1092         int i, nodes;
1093
1094         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1095         if (!nid || nodes < 0) {
1096                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1097                 return -EINVAL;
1098         }
1099
1100         for (i = 0; i < nodes; i++, nid++) {
1101                 unsigned int caps;
1102                 unsigned int type;
1103
1104                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1105                 type = get_wcaps_type(caps);
1106
1107                 if (!(caps & AC_WCAP_DIGITAL))
1108                         continue;
1109
1110                 switch (type) {
1111                 case AC_WID_AUD_OUT:
1112                         hdmi_add_cvt(codec, nid);
1113                         break;
1114                 case AC_WID_PIN:
1115                         hdmi_add_pin(codec, nid);
1116                         break;
1117                 }
1118         }
1119
1120         /*
1121          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1122          * can be lost and presence sense verb will become inaccurate if the
1123          * HDA link is powered off at hot plug or hw initialization time.
1124          */
1125 #ifdef CONFIG_SND_HDA_POWER_SAVE
1126         if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1127               AC_PWRST_EPSS))
1128                 codec->bus->power_keep_link_on = 1;
1129 #endif
1130
1131         return 0;
1132 }
1133
1134 /*
1135  */
1136 static char *get_hdmi_pcm_name(int idx)
1137 {
1138         static char names[MAX_HDMI_PINS][8];
1139         sprintf(&names[idx][0], "HDMI %d", idx);
1140         return &names[idx][0];
1141 }
1142
1143 /*
1144  * HDMI callbacks
1145  */
1146
1147 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1148                                            struct hda_codec *codec,
1149                                            unsigned int stream_tag,
1150                                            unsigned int format,
1151                                            struct snd_pcm_substream *substream)
1152 {
1153         hda_nid_t cvt_nid = hinfo->nid;
1154         struct hdmi_spec *spec = codec->spec;
1155         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1156         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1157
1158         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1159
1160         hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1161
1162         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1163 }
1164
1165 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1166                                              struct hda_codec *codec,
1167                                              struct snd_pcm_substream *substream)
1168 {
1169         struct hdmi_spec *spec = codec->spec;
1170         int cvt_idx, pin_idx;
1171         struct hdmi_spec_per_cvt *per_cvt;
1172         struct hdmi_spec_per_pin *per_pin;
1173         int pinctl;
1174
1175         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1176
1177         if (hinfo->nid) {
1178                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1179                 if (snd_BUG_ON(cvt_idx < 0))
1180                         return -EINVAL;
1181                 per_cvt = &spec->cvts[cvt_idx];
1182
1183                 snd_BUG_ON(!per_cvt->assigned);
1184                 per_cvt->assigned = 0;
1185                 hinfo->nid = 0;
1186
1187                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1188                 if (snd_BUG_ON(pin_idx < 0))
1189                         return -EINVAL;
1190                 per_pin = &spec->pins[pin_idx];
1191
1192                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1193                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1194                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1195                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1196                                     pinctl & ~PIN_OUT);
1197                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1198         }
1199
1200         return 0;
1201 }
1202
1203 static const struct hda_pcm_ops generic_ops = {
1204         .open = hdmi_pcm_open,
1205         .prepare = generic_hdmi_playback_pcm_prepare,
1206         .cleanup = generic_hdmi_playback_pcm_cleanup,
1207 };
1208
1209 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1210 {
1211         struct hdmi_spec *spec = codec->spec;
1212         int pin_idx;
1213
1214         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1215                 struct hda_pcm *info;
1216                 struct hda_pcm_stream *pstr;
1217
1218                 info = &spec->pcm_rec[pin_idx];
1219                 info->name = get_hdmi_pcm_name(pin_idx);
1220                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1221
1222                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1223                 pstr->substreams = 1;
1224                 pstr->ops = generic_ops;
1225                 /* other pstr fields are set in open */
1226         }
1227
1228         codec->num_pcms = spec->num_pins;
1229         codec->pcm_info = spec->pcm_rec;
1230
1231         return 0;
1232 }
1233
1234 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1235 {
1236         char hdmi_str[32] = "HDMI/DP";
1237         struct hdmi_spec *spec = codec->spec;
1238         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1239         int pcmdev = spec->pcm_rec[pin_idx].device;
1240
1241         if (pcmdev > 0)
1242                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1243
1244         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1245 }
1246
1247 static int generic_hdmi_build_controls(struct hda_codec *codec)
1248 {
1249         struct hdmi_spec *spec = codec->spec;
1250         int err;
1251         int pin_idx;
1252
1253         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1254                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1255
1256                 err = generic_hdmi_build_jack(codec, pin_idx);
1257                 if (err < 0)
1258                         return err;
1259
1260                 err = snd_hda_create_spdif_out_ctls(codec,
1261                                                     per_pin->pin_nid,
1262                                                     per_pin->mux_nids[0]);
1263                 if (err < 0)
1264                         return err;
1265                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1266
1267                 /* add control for ELD Bytes */
1268                 err = hdmi_create_eld_ctl(codec,
1269                                         pin_idx,
1270                                         spec->pcm_rec[pin_idx].device);
1271
1272                 if (err < 0)
1273                         return err;
1274
1275                 hdmi_present_sense(per_pin, 0);
1276         }
1277
1278         return 0;
1279 }
1280
1281 static int generic_hdmi_init(struct hda_codec *codec)
1282 {
1283         struct hdmi_spec *spec = codec->spec;
1284         int pin_idx;
1285
1286         switch (codec->preset->id) {
1287         case 0x10de0020:
1288                 snd_hda_codec_write(codec, 4, 0,
1289                                     AC_VERB_SET_DIGI_CONVERT_1, 0x11);
1290         default:
1291                 break;
1292         }
1293
1294         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1295                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1296                 hda_nid_t pin_nid = per_pin->pin_nid;
1297                 struct hdmi_eld *eld = &per_pin->sink_eld;
1298
1299                 hdmi_init_pin(codec, pin_nid);
1300                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1301
1302                 per_pin->codec = codec;
1303                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1304                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1305         }
1306         snd_hda_jack_report_sync(codec);
1307         return 0;
1308 }
1309
1310 static void generic_hdmi_free(struct hda_codec *codec)
1311 {
1312         struct hdmi_spec *spec = codec->spec;
1313         int pin_idx;
1314
1315         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1316                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1317                 struct hdmi_eld *eld = &per_pin->sink_eld;
1318
1319                 cancel_delayed_work(&per_pin->work);
1320                 snd_hda_eld_proc_free(codec, eld);
1321         }
1322
1323         flush_workqueue(codec->bus->workq);
1324         kfree(spec);
1325 }
1326
1327 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1328         .init                   = generic_hdmi_init,
1329         .free                   = generic_hdmi_free,
1330         .build_pcms             = generic_hdmi_build_pcms,
1331         .build_controls         = generic_hdmi_build_controls,
1332         .unsol_event            = hdmi_unsol_event,
1333 };
1334
1335 static int patch_generic_hdmi(struct hda_codec *codec)
1336 {
1337         struct hdmi_spec *spec;
1338
1339         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1340         if (spec == NULL)
1341                 return -ENOMEM;
1342
1343         codec->spec = spec;
1344         if (hdmi_parse_codec(codec) < 0) {
1345                 codec->spec = NULL;
1346                 kfree(spec);
1347                 return -EINVAL;
1348         }
1349         codec->patch_ops = generic_hdmi_patch_ops;
1350
1351         init_channel_allocations();
1352
1353         return 0;
1354 }
1355
1356 /*
1357  * Shared non-generic implementations
1358  */
1359
1360 static int simple_playback_build_pcms(struct hda_codec *codec)
1361 {
1362         struct hdmi_spec *spec = codec->spec;
1363         struct hda_pcm *info = spec->pcm_rec;
1364         int i;
1365
1366         codec->num_pcms = spec->num_cvts;
1367         codec->pcm_info = info;
1368
1369         for (i = 0; i < codec->num_pcms; i++, info++) {
1370                 unsigned int chans;
1371                 struct hda_pcm_stream *pstr;
1372
1373                 chans = get_wcaps(codec, spec->cvts[i].cvt_nid);
1374                 chans = get_wcaps_channels(chans);
1375
1376                 info->name = get_hdmi_pcm_name(i);
1377                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1378                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1379                 snd_BUG_ON(!spec->pcm_playback);
1380                 *pstr = *spec->pcm_playback;
1381                 pstr->nid = spec->cvts[i].cvt_nid;
1382                 if (pstr->channels_max <= 2 && chans && chans <= 16)
1383                         pstr->channels_max = chans;
1384         }
1385
1386         return 0;
1387 }
1388
1389 static int simple_playback_build_controls(struct hda_codec *codec)
1390 {
1391         struct hdmi_spec *spec = codec->spec;
1392         int err;
1393         int i;
1394
1395         for (i = 0; i < codec->num_pcms; i++) {
1396                 err = snd_hda_create_spdif_out_ctls(codec,
1397                                                     spec->cvts[i].cvt_nid,
1398                                                     spec->cvts[i].cvt_nid);
1399                 if (err < 0)
1400                         return err;
1401         }
1402
1403         return 0;
1404 }
1405
1406 static void simple_playback_free(struct hda_codec *codec)
1407 {
1408         struct hdmi_spec *spec = codec->spec;
1409
1410         kfree(spec);
1411 }
1412
1413 /*
1414  * Nvidia specific implementations
1415  */
1416
1417 #define Nv_VERB_SET_Channel_Allocation          0xF79
1418 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1419 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1420 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1421
1422 #define nvhdmi_master_con_nid_7x        0x04
1423 #define nvhdmi_master_pin_nid_7x        0x05
1424
1425 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1426         /*front, rear, clfe, rear_surr */
1427         0x6, 0x8, 0xa, 0xc,
1428 };
1429
1430 static const struct hda_verb nvhdmi_basic_init_7x[] = {
1431         /* set audio protect on */
1432         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1433         /* enable digital output on pin widget */
1434         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1435         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1436         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1437         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1438         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1439         {} /* terminator */
1440 };
1441
1442 #ifdef LIMITED_RATE_FMT_SUPPORT
1443 /* support only the safe format and rate */
1444 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1445 #define SUPPORTED_MAXBPS        16
1446 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1447 #else
1448 /* support all rates and formats */
1449 #define SUPPORTED_RATES \
1450         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1451         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1452          SNDRV_PCM_RATE_192000)
1453 #define SUPPORTED_MAXBPS        24
1454 #define SUPPORTED_FORMATS \
1455         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1456 #endif
1457
1458 static int nvhdmi_7x_init(struct hda_codec *codec)
1459 {
1460         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1461         return 0;
1462 }
1463
1464 static unsigned int channels_2_6_8[] = {
1465         2, 6, 8
1466 };
1467
1468 static unsigned int channels_2_8[] = {
1469         2, 8
1470 };
1471
1472 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1473         .count = ARRAY_SIZE(channels_2_6_8),
1474         .list = channels_2_6_8,
1475         .mask = 0,
1476 };
1477
1478 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1479         .count = ARRAY_SIZE(channels_2_8),
1480         .list = channels_2_8,
1481         .mask = 0,
1482 };
1483
1484 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1485                                     struct hda_codec *codec,
1486                                     struct snd_pcm_substream *substream)
1487 {
1488         struct hdmi_spec *spec = codec->spec;
1489         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1490
1491         switch (codec->preset->id) {
1492         case 0x10de0002:
1493         case 0x10de0003:
1494         case 0x10de0005:
1495         case 0x10de0006:
1496                 hw_constraints_channels = &hw_constraints_2_8_channels;
1497                 break;
1498         case 0x10de0007:
1499                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1500                 break;
1501         default:
1502                 break;
1503         }
1504
1505         if (hw_constraints_channels != NULL) {
1506                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1507                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1508                                 hw_constraints_channels);
1509         } else {
1510                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1511                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1512         }
1513
1514         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1515 }
1516
1517 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1518                                      struct hda_codec *codec,
1519                                      struct snd_pcm_substream *substream)
1520 {
1521         struct hdmi_spec *spec = codec->spec;
1522         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1523 }
1524
1525 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1526                                        struct hda_codec *codec,
1527                                        unsigned int stream_tag,
1528                                        unsigned int format,
1529                                        struct snd_pcm_substream *substream)
1530 {
1531         struct hdmi_spec *spec = codec->spec;
1532         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1533                                              stream_tag, format, substream);
1534 }
1535
1536 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1537                                                     int channels)
1538 {
1539         unsigned int chanmask;
1540         int chan = channels ? (channels - 1) : 1;
1541
1542         switch (channels) {
1543         default:
1544         case 0:
1545         case 2:
1546                 chanmask = 0x00;
1547                 break;
1548         case 4:
1549                 chanmask = 0x08;
1550                 break;
1551         case 6:
1552                 chanmask = 0x0b;
1553                 break;
1554         case 8:
1555                 chanmask = 0x13;
1556                 break;
1557         }
1558
1559         /* Set the audio infoframe channel allocation and checksum fields.  The
1560          * channel count is computed implicitly by the hardware. */
1561         snd_hda_codec_write(codec, 0x1, 0,
1562                         Nv_VERB_SET_Channel_Allocation, chanmask);
1563
1564         snd_hda_codec_write(codec, 0x1, 0,
1565                         Nv_VERB_SET_Info_Frame_Checksum,
1566                         (0x71 - chan - chanmask));
1567 }
1568
1569 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1570                                    struct hda_codec *codec,
1571                                    struct snd_pcm_substream *substream)
1572 {
1573         struct hdmi_spec *spec = codec->spec;
1574         int i;
1575
1576         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1577                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1578         for (i = 0; i < 4; i++) {
1579                 /* set the stream id */
1580                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1581                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
1582                 /* set the stream format */
1583                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1584                                 AC_VERB_SET_STREAM_FORMAT, 0);
1585         }
1586
1587         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1588          * streams are disabled. */
1589         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1590
1591         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1592 }
1593
1594 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1595                                      struct hda_codec *codec,
1596                                      unsigned int stream_tag,
1597                                      unsigned int format,
1598                                      struct snd_pcm_substream *substream)
1599 {
1600         int chs;
1601         unsigned int dataDCC2, channel_id;
1602         int i;
1603         struct hdmi_spec *spec = codec->spec;
1604         struct hda_spdif_out *spdif =
1605                 snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1606
1607         mutex_lock(&codec->spdif_mutex);
1608
1609         chs = substream->runtime->channels;
1610
1611         dataDCC2 = 0x2;
1612
1613         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1614         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1615                 snd_hda_codec_write(codec,
1616                                 nvhdmi_master_con_nid_7x,
1617                                 0,
1618                                 AC_VERB_SET_DIGI_CONVERT_1,
1619                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1620
1621         /* set the stream id */
1622         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1623                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1624
1625         /* set the stream format */
1626         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1627                         AC_VERB_SET_STREAM_FORMAT, format);
1628
1629         /* turn on again (if needed) */
1630         /* enable and set the channel status audio/data flag */
1631         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1632                 snd_hda_codec_write(codec,
1633                                 nvhdmi_master_con_nid_7x,
1634                                 0,
1635                                 AC_VERB_SET_DIGI_CONVERT_1,
1636                                 spdif->ctls & 0xff);
1637                 snd_hda_codec_write(codec,
1638                                 nvhdmi_master_con_nid_7x,
1639                                 0,
1640                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1641         }
1642
1643         for (i = 0; i < 4; i++) {
1644                 if (chs == 2)
1645                         channel_id = 0;
1646                 else
1647                         channel_id = i * 2;
1648
1649                 /* turn off SPDIF once;
1650                  *otherwise the IEC958 bits won't be updated
1651                  */
1652                 if (codec->spdif_status_reset &&
1653                 (spdif->ctls & AC_DIG1_ENABLE))
1654                         snd_hda_codec_write(codec,
1655                                 nvhdmi_con_nids_7x[i],
1656                                 0,
1657                                 AC_VERB_SET_DIGI_CONVERT_1,
1658                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1659                 /* set the stream id */
1660                 snd_hda_codec_write(codec,
1661                                 nvhdmi_con_nids_7x[i],
1662                                 0,
1663                                 AC_VERB_SET_CHANNEL_STREAMID,
1664                                 (stream_tag << 4) | channel_id);
1665                 /* set the stream format */
1666                 snd_hda_codec_write(codec,
1667                                 nvhdmi_con_nids_7x[i],
1668                                 0,
1669                                 AC_VERB_SET_STREAM_FORMAT,
1670                                 format);
1671                 /* turn on again (if needed) */
1672                 /* enable and set the channel status audio/data flag */
1673                 if (codec->spdif_status_reset &&
1674                 (spdif->ctls & AC_DIG1_ENABLE)) {
1675                         snd_hda_codec_write(codec,
1676                                         nvhdmi_con_nids_7x[i],
1677                                         0,
1678                                         AC_VERB_SET_DIGI_CONVERT_1,
1679                                         spdif->ctls & 0xff);
1680                         snd_hda_codec_write(codec,
1681                                         nvhdmi_con_nids_7x[i],
1682                                         0,
1683                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1684                 }
1685         }
1686
1687         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1688
1689         mutex_unlock(&codec->spdif_mutex);
1690         return 0;
1691 }
1692
1693 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1694         .substreams = 1,
1695         .channels_min = 2,
1696         .channels_max = 8,
1697         .nid = nvhdmi_master_con_nid_7x,
1698         .rates = SUPPORTED_RATES,
1699         .maxbps = SUPPORTED_MAXBPS,
1700         .formats = SUPPORTED_FORMATS,
1701         .ops = {
1702                 .open = simple_playback_pcm_open,
1703                 .close = nvhdmi_8ch_7x_pcm_close,
1704                 .prepare = nvhdmi_8ch_7x_pcm_prepare
1705         },
1706 };
1707
1708 static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1709         .substreams = 1,
1710         .channels_min = 2,
1711         .channels_max = 2,
1712         .nid = nvhdmi_master_con_nid_7x,
1713         .rates = SUPPORTED_RATES,
1714         .maxbps = SUPPORTED_MAXBPS,
1715         .formats = SUPPORTED_FORMATS,
1716         .ops = {
1717                 .open = simple_playback_pcm_open,
1718                 .close = simple_playback_pcm_close,
1719                 .prepare = simple_playback_pcm_prepare
1720         },
1721 };
1722
1723 static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1724         .build_controls = simple_playback_build_controls,
1725         .build_pcms = simple_playback_build_pcms,
1726         .init = nvhdmi_7x_init,
1727         .free = simple_playback_free,
1728 };
1729
1730 static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1731         .build_controls = simple_playback_build_controls,
1732         .build_pcms = simple_playback_build_pcms,
1733         .init = nvhdmi_7x_init,
1734         .free = simple_playback_free,
1735 };
1736
1737 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1738 {
1739         struct hdmi_spec *spec;
1740
1741         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1742         if (spec == NULL)
1743                 return -ENOMEM;
1744
1745         codec->spec = spec;
1746
1747         spec->multiout.num_dacs = 0;  /* no analog */
1748         spec->multiout.max_channels = 2;
1749         spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1750         spec->num_cvts = 1;
1751         spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x;
1752         spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1753
1754         codec->patch_ops = nvhdmi_patch_ops_2ch;
1755
1756         return 0;
1757 }
1758
1759 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1760 {
1761         struct hdmi_spec *spec;
1762         int err = patch_nvhdmi_2ch(codec);
1763
1764         if (err < 0)
1765                 return err;
1766         spec = codec->spec;
1767         spec->multiout.max_channels = 8;
1768         spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1769         codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1770
1771         /* Initialize the audio infoframe channel mask and checksum to something
1772          * valid */
1773         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1774
1775         return 0;
1776 }
1777
1778 /*
1779  * ATI-specific implementations
1780  *
1781  * FIXME: we may omit the whole this and use the generic code once after
1782  * it's confirmed to work.
1783  */
1784
1785 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
1786 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
1787
1788 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1789                                         struct hda_codec *codec,
1790                                         unsigned int stream_tag,
1791                                         unsigned int format,
1792                                         struct snd_pcm_substream *substream)
1793 {
1794         struct hdmi_spec *spec = codec->spec;
1795         int chans = substream->runtime->channels;
1796         int i, err;
1797
1798         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1799                                           substream);
1800         if (err < 0)
1801                 return err;
1802         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1803                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1804         /* FIXME: XXX */
1805         for (i = 0; i < chans; i++) {
1806                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1807                                     AC_VERB_SET_HDMI_CHAN_SLOT,
1808                                     (i << 4) | i);
1809         }
1810         return 0;
1811 }
1812
1813 static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1814         .substreams = 1,
1815         .channels_min = 2,
1816         .channels_max = 2,
1817         .nid = ATIHDMI_CVT_NID,
1818         .ops = {
1819                 .open = simple_playback_pcm_open,
1820                 .close = simple_playback_pcm_close,
1821                 .prepare = atihdmi_playback_pcm_prepare
1822         },
1823 };
1824
1825 static const struct hda_verb atihdmi_basic_init[] = {
1826         /* enable digital output on pin widget */
1827         { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1828         {} /* terminator */
1829 };
1830
1831 static int atihdmi_init(struct hda_codec *codec)
1832 {
1833         struct hdmi_spec *spec = codec->spec;
1834
1835         snd_hda_sequence_write(codec, atihdmi_basic_init);
1836         /* SI codec requires to unmute the pin */
1837         if (get_wcaps(codec, spec->pins[0].pin_nid) & AC_WCAP_OUT_AMP)
1838                 snd_hda_codec_write(codec, spec->pins[0].pin_nid, 0,
1839                                     AC_VERB_SET_AMP_GAIN_MUTE,
1840                                     AMP_OUT_UNMUTE);
1841         return 0;
1842 }
1843
1844 static const struct hda_codec_ops atihdmi_patch_ops = {
1845         .build_controls = simple_playback_build_controls,
1846         .build_pcms = simple_playback_build_pcms,
1847         .init = atihdmi_init,
1848         .free = simple_playback_free,
1849 };
1850
1851
1852 static int patch_atihdmi(struct hda_codec *codec)
1853 {
1854         struct hdmi_spec *spec;
1855
1856         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1857         if (spec == NULL)
1858                 return -ENOMEM;
1859
1860         codec->spec = spec;
1861
1862         spec->multiout.num_dacs = 0;      /* no analog */
1863         spec->multiout.max_channels = 2;
1864         spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1865         spec->num_cvts = 1;
1866         spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID;
1867         spec->pins[0].pin_nid = ATIHDMI_PIN_NID;
1868         spec->pcm_playback = &atihdmi_pcm_digital_playback;
1869
1870         codec->patch_ops = atihdmi_patch_ops;
1871
1872         return 0;
1873 }
1874
1875
1876 /*
1877  * patch entries
1878  */
1879 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1880 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1881 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1882 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
1883 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
1884 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
1885 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
1886 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
1887 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1888 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1889 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1890 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1891 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
1892 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
1893 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
1894 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
1895 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
1896 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
1897 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
1898 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
1899 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
1900 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
1901 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
1902 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
1903 /* 17 is known to be absent */
1904 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
1905 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
1906 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
1907 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
1908 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
1909 { .id = 0x10de0020, .name = "Tegra30 HDMI",     .patch = patch_generic_hdmi },
1910 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
1911 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
1912 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
1913 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
1914 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
1915 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
1916 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
1917 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1918 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
1919 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
1920 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
1921 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1922 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1923 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1924 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
1925 {} /* terminator */
1926 };
1927
1928 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1929 MODULE_ALIAS("snd-hda-codec-id:10027919");
1930 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1931 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1932 MODULE_ALIAS("snd-hda-codec-id:10951390");
1933 MODULE_ALIAS("snd-hda-codec-id:10951392");
1934 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1935 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1936 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1937 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1938 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1939 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1940 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1941 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1942 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1943 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1944 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1945 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1946 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1947 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1948 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1949 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1950 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1951 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1952 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1953 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1954 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1955 MODULE_ALIAS("snd-hda-codec-id:10de0020");
1956 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1957 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1958 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1959 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1960 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1961 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1962 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1963 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1964 MODULE_ALIAS("snd-hda-codec-id:80860054");
1965 MODULE_ALIAS("snd-hda-codec-id:80862801");
1966 MODULE_ALIAS("snd-hda-codec-id:80862802");
1967 MODULE_ALIAS("snd-hda-codec-id:80862803");
1968 MODULE_ALIAS("snd-hda-codec-id:80862804");
1969 MODULE_ALIAS("snd-hda-codec-id:80862805");
1970 MODULE_ALIAS("snd-hda-codec-id:80862806");
1971 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1972
1973 MODULE_LICENSE("GPL");
1974 MODULE_DESCRIPTION("HDMI HD-audio codec");
1975 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1976 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1977 MODULE_ALIAS("snd-hda-codec-atihdmi");
1978
1979 static struct hda_codec_preset_list intel_list = {
1980         .preset = snd_hda_preset_hdmi,
1981         .owner = THIS_MODULE,
1982 };
1983
1984 static int __init patch_hdmi_init(void)
1985 {
1986         return snd_hda_add_codec_preset(&intel_list);
1987 }
1988
1989 static void __exit patch_hdmi_exit(void)
1990 {
1991         snd_hda_delete_codec_preset(&intel_list);
1992 }
1993
1994 module_init(patch_hdmi_init)
1995 module_exit(patch_hdmi_exit)