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