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