sound/pci/hda/hda_codec.h

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License as published by the Free
   8  *  Software Foundation; either version 2 of the License, or (at your option)
   9  *  any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  *  more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along with
  17  *  this program; if not, write to the Free Software Foundation, Inc., 59
  18  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  */
  20
  21 #ifndef __SOUND_HDA_CODEC_H
  22 #define __SOUND_HDA_CODEC_H
  23
  24 #include <linux/kref.h>
  25 #include <linux/mod_devicetable.h>
  26 #include <sound/info.h>
  27 #include <sound/control.h>
  28 #include <sound/pcm.h>
  29 #include <sound/hwdep.h>
  30 #include <sound/hdaudio.h>
  31 #include <sound/hda_verbs.h>
  32 #include <sound/hda_regmap.h>
  33
  34 /*
  35  * Structures
  36  */
  37
  38 struct hda_bus;
  39 struct hda_beep;
  40 struct hda_codec;
  41 struct hda_pcm;
  42 struct hda_pcm_stream;
  43
  44 /*
  45  * codec bus
  46  *
  47  * each controller needs to creata a hda_bus to assign the accessor.
  48  * A hda_bus contains several codecs in the list codec_list.
  49  */
  50 struct hda_bus {
  51         struct hdac_bus core;
  52
  53         struct snd_card *card;
  54
  55         struct pci_dev *pci;
  56         const char *modelname;
  57
  58         struct mutex prepare_mutex;
  59
  60         /* assigned PCMs */
  61         DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
  62
  63         /* misc op flags */
  64         unsigned int needs_damn_long_delay :1;
  65         unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
  66         /* status for codec/controller */
  67         unsigned int shutdown :1;       /* being unloaded */
  68         unsigned int response_reset:1;  /* controller was reset */
  69         unsigned int in_reset:1;        /* during reset operation */
  70         unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
  71
  72         int primary_dig_out_type;       /* primary digital out PCM type */
  73         unsigned int mixer_assigned;    /* codec addr for mixer name */
  74 };
  75
  76 /* from hdac_bus to hda_bus */
  77 #define to_hda_bus(bus)         container_of(bus, struct hda_bus, core)
  78
  79 /*
  80  * codec preset
  81  *
  82  * Known codecs have the patch to build and set up the controls/PCMs
  83  * better than the generic parser.
  84  */
  85 typedef int (*hda_codec_patch_t)(struct hda_codec *);
  86
  87 #define HDA_CODEC_ID_GENERIC_HDMI       0x00000101
  88 #define HDA_CODEC_ID_GENERIC            0x00000201
  89
  90 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
  91         { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
  92           .api_version = HDA_DEV_LEGACY, \
  93           .driver_data = (unsigned long)(_patch) }
  94 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \
  95         HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
  96
  97 struct hda_codec_driver {
  98         struct hdac_driver core;
  99         const struct hda_device_id *id;
 100 };
 101
 102 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
 103                                struct module *owner);
 104 #define hda_codec_driver_register(drv) \
 105         __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
 106 void hda_codec_driver_unregister(struct hda_codec_driver *drv);
 107 #define module_hda_codec_driver(drv) \
 108         module_driver(drv, hda_codec_driver_register, \
 109                       hda_codec_driver_unregister)
 110
 111 /* ops set by the preset patch */
 112 struct hda_codec_ops {
 113         int (*build_controls)(struct hda_codec *codec);
 114         int (*build_pcms)(struct hda_codec *codec);
 115         int (*init)(struct hda_codec *codec);
 116         void (*free)(struct hda_codec *codec);
 117         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
 118         void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
 119                                 unsigned int power_state);
 120 #ifdef CONFIG_PM
 121         int (*suspend)(struct hda_codec *codec);
 122         int (*resume)(struct hda_codec *codec);
 123         int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
 124 #endif
 125         void (*reboot_notify)(struct hda_codec *codec);
 126         void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
 127 };
 128
 129 /* PCM callbacks */
 130 struct hda_pcm_ops {
 131         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
 132                     struct snd_pcm_substream *substream);
 133         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
 134                      struct snd_pcm_substream *substream);
 135         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
 136                        unsigned int stream_tag, unsigned int format,
 137                        struct snd_pcm_substream *substream);
 138         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
 139                        struct snd_pcm_substream *substream);
 140         unsigned int (*get_delay)(struct hda_pcm_stream *info,
 141                                   struct hda_codec *codec,
 142                                   struct snd_pcm_substream *substream);
 143 };
 144
 145 /* PCM information for each substream */
 146 struct hda_pcm_stream {
 147         unsigned int substreams;        /* number of substreams, 0 = not exist*/
 148         unsigned int channels_min;      /* min. number of channels */
 149         unsigned int channels_max;      /* max. number of channels */
 150         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
 151         u32 rates;      /* supported rates */
 152         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
 153         unsigned int maxbps;    /* supported max. bit per sample */
 154         const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
 155         struct hda_pcm_ops ops;
 156 };
 157
 158 /* PCM types */
 159 enum {
 160         HDA_PCM_TYPE_AUDIO,
 161         HDA_PCM_TYPE_SPDIF,
 162         HDA_PCM_TYPE_HDMI,
 163         HDA_PCM_TYPE_MODEM,
 164         HDA_PCM_NTYPES
 165 };
 166
 167 #define SNDRV_PCM_INVALID_DEVICE        (-1)
 168 /* for PCM creation */
 169 struct hda_pcm {
 170         char *name;
 171         struct hda_pcm_stream stream[2];
 172         unsigned int pcm_type;  /* HDA_PCM_TYPE_XXX */
 173         int device;             /* device number to assign */
 174         struct snd_pcm *pcm;    /* assigned PCM instance */
 175         bool own_chmap;         /* codec driver provides own channel maps */
 176         /* private: */
 177         struct hda_codec *codec;
 178         struct kref kref;
 179         struct list_head list;
 180 };
 181
 182 /* codec information */
 183 struct hda_codec {
 184         struct hdac_device core;
 185         struct hda_bus *bus;
 186         struct snd_card *card;
 187         unsigned int addr;      /* codec addr*/
 188         u32 probe_id; /* overridden id for probing */
 189
 190         /* detected preset */
 191         const struct hda_device_id *preset;
 192         const char *modelname;  /* model name for preset */
 193
 194         /* set by patch */
 195         struct hda_codec_ops patch_ops;
 196
 197         /* PCM to create, set by patch_ops.build_pcms callback */
 198         struct list_head pcm_list_head;
 199
 200         /* codec specific info */
 201         void *spec;
 202
 203         /* beep device */
 204         struct hda_beep *beep;
 205         unsigned int beep_mode;
 206
 207         /* widget capabilities cache */
 208         u32 *wcaps;
 209
 210         struct snd_array mixers;        /* list of assigned mixer elements */
 211         struct snd_array nids;          /* list of mapped mixer elements */
 212
 213         struct list_head conn_list;     /* linked-list of connection-list */
 214
 215         struct mutex spdif_mutex;
 216         struct mutex control_mutex;
 217         struct snd_array spdif_out;
 218         unsigned int spdif_in_enable;   /* SPDIF input enable? */
 219         const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
 220         struct snd_array init_pins;     /* initial (BIOS) pin configurations */
 221         struct snd_array driver_pins;   /* pin configs set by codec parser */
 222         struct snd_array cvt_setups;    /* audio convert setups */
 223
 224         struct mutex user_mutex;
 225 #ifdef CONFIG_SND_HDA_RECONFIG
 226         struct snd_array init_verbs;    /* additional init verbs */
 227         struct snd_array hints;         /* additional hints */
 228         struct snd_array user_pins;     /* default pin configs to override */
 229 #endif
 230
 231 #ifdef CONFIG_SND_HDA_HWDEP
 232         struct snd_hwdep *hwdep;        /* assigned hwdep device */
 233 #endif
 234
 235         /* misc flags */
 236         unsigned int in_freeing:1; /* being released */
 237         unsigned int registered:1; /* codec was registered */
 238         unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
 239                                              * status change
 240                                              * (e.g. Realtek codecs)
 241                                              */
 242         unsigned int pin_amp_workaround:1; /* pin out-amp takes index
 243                                             * (e.g. Conexant codecs)
 244                                             */
 245         unsigned int single_adc_amp:1; /* adc in-amp takes no index
 246                                         * (e.g. CX20549 codec)
 247                                         */
 248         unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
 249         unsigned int pins_shutup:1;     /* pins are shut up */
 250         unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
 251         unsigned int no_jack_detect:1;  /* Machine has no jack-detection */
 252         unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
 253         unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
 254         unsigned int pcm_format_first:1; /* PCM format must be set first */
 255         unsigned int cached_write:1;    /* write only to caches */
 256         unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
 257         unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
 258         unsigned int power_save_node:1; /* advanced PM for each widget */
 259         unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
 260         unsigned int force_pin_prefix:1; /* Add location prefix */
 261 #ifdef CONFIG_PM
 262         unsigned long power_on_acct;
 263         unsigned long power_off_acct;
 264         unsigned long power_jiffies;
 265 #endif
 266
 267         /* filter the requested power state per nid */
 268         unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
 269                                      unsigned int power_state);
 270
 271         /* codec-specific additional proc output */
 272         void (*proc_widget_hook)(struct snd_info_buffer *buffer,
 273                                  struct hda_codec *codec, hda_nid_t nid);
 274
 275         /* jack detection */
 276         struct snd_array jacktbl;
 277         unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
 278         struct delayed_work jackpoll_work;
 279
 280         /* jack detection */
 281         struct snd_array jacks;
 282
 283         int depop_delay; /* depop delay in ms, -1 for default delay time */
 284
 285         /* fix-up list */
 286         int fixup_id;
 287         const struct hda_fixup *fixup_list;
 288         const char *fixup_name;
 289
 290         /* additional init verbs */
 291         struct snd_array verbs;
 292 };
 293
 294 #define dev_to_hda_codec(_dev)  container_of(_dev, struct hda_codec, core.dev)
 295 #define hda_codec_dev(_dev)     (&(_dev)->core.dev)
 296
 297 #define list_for_each_codec(c, bus) \
 298         list_for_each_entry(c, &(bus)->core.codec_list, core.list)
 299 #define list_for_each_codec_safe(c, n, bus)                             \
 300         list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
 301
 302 /* snd_hda_codec_read/write optional flags */
 303 #define HDA_RW_NO_RESPONSE_FALLBACK     (1 << 0)
 304
 305 /*
 306  * constructors
 307  */
 308 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
 309                       unsigned int codec_addr, struct hda_codec **codecp);
 310 int snd_hda_codec_configure(struct hda_codec *codec);
 311 int snd_hda_codec_update_widgets(struct hda_codec *codec);
 312
 313 /*
 314  * low level functions
 315  */
 316 static inline unsigned int
 317 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 318                                 int flags,
 319                                 unsigned int verb, unsigned int parm)
 320 {
 321         return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm);
 322 }
 323
 324 static inline int
 325 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
 326                         unsigned int verb, unsigned int parm)
 327 {
 328         return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm);
 329 }
 330
 331 #define snd_hda_param_read(codec, nid, param) \
 332         snd_hdac_read_parm(&(codec)->core, nid, param)
 333 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \
 334         snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
 335 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 336                             hda_nid_t *conn_list, int max_conns);
 337 static inline int
 338 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
 339 {
 340         return snd_hda_get_connections(codec, nid, NULL, 0);
 341 }
 342
 343 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
 344         snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
 345 #define snd_hda_get_num_raw_conns(codec, nid) \
 346         snd_hdac_get_connections(&(codec)->core, nid, NULL, 0);
 347
 348 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
 349                           const hda_nid_t **listp);
 350 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
 351                           const hda_nid_t *list);
 352 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
 353                            hda_nid_t nid, int recursive);
 354 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid);
 355 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
 356                         u8 *dev_list, int max_devices);
 357 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid);
 358 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id);
 359
 360 struct hda_verb {
 361         hda_nid_t nid;
 362         u32 verb;
 363         u32 param;
 364 };
 365
 366 void snd_hda_sequence_write(struct hda_codec *codec,
 367                             const struct hda_verb *seq);
 368
 369 /* unsolicited event */
 370 static inline void
 371 snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 372 {
 373         snd_hdac_bus_queue_event(&bus->core, res, res_ex);
 374 }
 375
 376 /* cached write */
 377 static inline int
 378 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 379                           int flags, unsigned int verb, unsigned int parm)
 380 {
 381         return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
 382 }
 383
 384 #define snd_hda_codec_update_cache(codec, nid, flags, verb, parm) \
 385         snd_hda_codec_write_cache(codec, nid, flags, verb, parm)
 386
 387 /* the struct for codec->pin_configs */
 388 struct hda_pincfg {
 389         hda_nid_t nid;
 390         unsigned char ctrl;     /* original pin control value */
 391         unsigned char target;   /* target pin control value */
 392         unsigned int cfg;       /* default configuration */
 393 };
 394
 395 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
 396 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
 397                              unsigned int cfg);
 398 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
 399                        hda_nid_t nid, unsigned int cfg); /* for hwdep */
 400 void snd_hda_shutup_pins(struct hda_codec *codec);
 401
 402 /* SPDIF controls */
 403 struct hda_spdif_out {
 404         hda_nid_t nid;          /* Converter nid values relate to */
 405         unsigned int status;    /* IEC958 status bits */
 406         unsigned short ctls;    /* SPDIF control bits */
 407 };
 408 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
 409                                                hda_nid_t nid);
 410 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
 411 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
 412
 413 /*
 414  * Mixer
 415  */
 416 int snd_hda_codec_build_controls(struct hda_codec *codec);
 417
 418 /*
 419  * PCM
 420  */
 421 int snd_hda_codec_parse_pcms(struct hda_codec *codec);
 422 int snd_hda_codec_build_pcms(struct hda_codec *codec);
 423
 424 __printf(2, 3)
 425 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
 426                                       const char *fmt, ...);
 427
 428 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
 429 {
 430         kref_get(&pcm->kref);
 431 }
 432 void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
 433
 434 int snd_hda_codec_prepare(struct hda_codec *codec,
 435                           struct hda_pcm_stream *hinfo,
 436                           unsigned int stream,
 437                           unsigned int format,
 438                           struct snd_pcm_substream *substream);
 439 void snd_hda_codec_cleanup(struct hda_codec *codec,
 440                            struct hda_pcm_stream *hinfo,
 441                            struct snd_pcm_substream *substream);
 442
 443 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 444                                 u32 stream_tag,
 445                                 int channel_id, int format);
 446 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
 447                                     int do_now);
 448 #define snd_hda_codec_cleanup_stream(codec, nid) \
 449         __snd_hda_codec_cleanup_stream(codec, nid, 0)
 450
 451 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
 452         snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
 453 #define snd_hda_is_supported_format(codec, nid, fmt) \
 454         snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
 455
 456 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
 457
 458 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
 459                               struct hda_pcm *cpcm);
 460
 461 /*
 462  * Misc
 463  */
 464 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
 465 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
 466                                     unsigned int power_state);
 467
 468 int snd_hda_lock_devices(struct hda_bus *bus);
 469 void snd_hda_unlock_devices(struct hda_bus *bus);
 470 void snd_hda_bus_reset(struct hda_bus *bus);
 471 void snd_hda_bus_reset_codecs(struct hda_bus *bus);
 472
 473 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
 474
 475 /*
 476  * power management
 477  */
 478 extern const struct dev_pm_ops hda_codec_driver_pm;
 479
 480 static inline
 481 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
 482 {
 483 #ifdef CONFIG_PM
 484         if (codec->patch_ops.check_power_status)
 485                 return codec->patch_ops.check_power_status(codec, nid);
 486 #endif
 487         return 0;
 488 }
 489
 490 /*
 491  * power saving
 492  */
 493 #define snd_hda_power_up(codec)         snd_hdac_power_up(&(codec)->core)
 494 #define snd_hda_power_up_pm(codec)      snd_hdac_power_up_pm(&(codec)->core)
 495 #define snd_hda_power_down(codec)       snd_hdac_power_down(&(codec)->core)
 496 #define snd_hda_power_down_pm(codec)    snd_hdac_power_down_pm(&(codec)->core)
 497 #ifdef CONFIG_PM
 498 void snd_hda_set_power_save(struct hda_bus *bus, int delay);
 499 void snd_hda_update_power_acct(struct hda_codec *codec);
 500 #else
 501 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
 502 #endif
 503
 504 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 505 /*
 506  * patch firmware
 507  */
 508 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
 509 #endif
 510
 511 #ifdef CONFIG_SND_HDA_DSP_LOADER
 512 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
 513                                    unsigned int size,
 514                                    struct snd_dma_buffer *bufp);
 515 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
 516 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
 517                                     struct snd_dma_buffer *dmab);
 518 #else
 519 static inline int
 520 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
 521                                 unsigned int size,
 522                                 struct snd_dma_buffer *bufp)
 523 {
 524         return -ENOSYS;
 525 }
 526 static inline void
 527 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
 528 static inline void
 529 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
 530                                 struct snd_dma_buffer *dmab) {}
 531 #endif
 532
 533 #endif /* __SOUND_HDA_CODEC_H */