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         unsigned int bus_probing :1;    /* during probing process */
  72
  73         int primary_dig_out_type;       /* primary digital out PCM type */
  74         unsigned int mixer_assigned;    /* codec addr for mixer name */
  75 };
  76
  77 /* from hdac_bus to hda_bus */
  78 #define to_hda_bus(bus)         container_of(bus, struct hda_bus, core)
  79
  80 /*
  81  * codec preset
  82  *
  83  * Known codecs have the patch to build and set up the controls/PCMs
  84  * better than the generic parser.
  85  */
  86 typedef int (*hda_codec_patch_t)(struct hda_codec *);
  87
  88 #define HDA_CODEC_ID_GENERIC_HDMI       0x00000101
  89 #define HDA_CODEC_ID_GENERIC            0x00000201
  90
  91 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
  92         { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
  93           .api_version = HDA_DEV_LEGACY, \
  94           .driver_data = (unsigned long)(_patch) }
  95 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \
  96         HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
  97
  98 struct hda_codec_driver {
  99         struct hdac_driver core;
 100         const struct hda_device_id *id;
 101 };
 102
 103 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
 104                                struct module *owner);
 105 #define hda_codec_driver_register(drv) \
 106         __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
 107 void hda_codec_driver_unregister(struct hda_codec_driver *drv);
 108 #define module_hda_codec_driver(drv) \
 109         module_driver(drv, hda_codec_driver_register, \
 110                       hda_codec_driver_unregister)
 111
 112 /* ops set by the preset patch */
 113 struct hda_codec_ops {
 114         int (*build_controls)(struct hda_codec *codec);
 115         int (*build_pcms)(struct hda_codec *codec);
 116         int (*init)(struct hda_codec *codec);
 117         void (*free)(struct hda_codec *codec);
 118         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
 119         void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
 120                                 unsigned int power_state);
 121 #ifdef CONFIG_PM
 122         int (*suspend)(struct hda_codec *codec);
 123         int (*resume)(struct hda_codec *codec);
 124         int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
 125 #endif
 126         void (*reboot_notify)(struct hda_codec *codec);
 127         void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
 128 };
 129
 130 /* PCM callbacks */
 131 struct hda_pcm_ops {
 132         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
 133                     struct snd_pcm_substream *substream);
 134         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
 135                      struct snd_pcm_substream *substream);
 136         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
 137                        unsigned int stream_tag, unsigned int format,
 138                        struct snd_pcm_substream *substream);
 139         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
 140                        struct snd_pcm_substream *substream);
 141         unsigned int (*get_delay)(struct hda_pcm_stream *info,
 142                                   struct hda_codec *codec,
 143                                   struct snd_pcm_substream *substream);
 144 };
 145
 146 /* PCM information for each substream */
 147 struct hda_pcm_stream {
 148         unsigned int substreams;        /* number of substreams, 0 = not exist*/
 149         unsigned int channels_min;      /* min. number of channels */
 150         unsigned int channels_max;      /* max. number of channels */
 151         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
 152         u32 rates;      /* supported rates */
 153         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
 154         unsigned int maxbps;    /* supported max. bit per sample */
 155         const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
 156         struct hda_pcm_ops ops;
 157 };
 158
 159 /* PCM types */
 160 enum {
 161         HDA_PCM_TYPE_AUDIO,
 162         HDA_PCM_TYPE_SPDIF,
 163         HDA_PCM_TYPE_HDMI,
 164         HDA_PCM_TYPE_MODEM,
 165         HDA_PCM_NTYPES
 166 };
 167
 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 #ifdef CONFIG_PM
 261         unsigned long power_on_acct;
 262         unsigned long power_off_acct;
 263         unsigned long power_jiffies;
 264 #endif
 265
 266         /* filter the requested power state per nid */
 267         unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
 268                                      unsigned int power_state);
 269
 270         /* codec-specific additional proc output */
 271         void (*proc_widget_hook)(struct snd_info_buffer *buffer,
 272                                  struct hda_codec *codec, hda_nid_t nid);
 273
 274         /* jack detection */
 275         struct snd_array jacktbl;
 276         unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
 277         struct delayed_work jackpoll_work;
 278
 279         /* jack detection */
 280         struct snd_array jacks;
 281
 282         int depop_delay; /* depop delay in ms, -1 for default delay time */
 283
 284         /* fix-up list */
 285         int fixup_id;
 286         const struct hda_fixup *fixup_list;
 287         const char *fixup_name;
 288
 289         /* additional init verbs */
 290         struct snd_array verbs;
 291 };
 292
 293 #define dev_to_hda_codec(_dev)  container_of(_dev, struct hda_codec, core.dev)
 294 #define hda_codec_dev(_dev)     (&(_dev)->core.dev)
 295
 296 #define list_for_each_codec(c, bus) \
 297         list_for_each_entry(c, &(bus)->core.codec_list, core.list)
 298 #define list_for_each_codec_safe(c, n, bus)                             \
 299         list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
 300
 301 /* snd_hda_codec_read/write optional flags */
 302 #define HDA_RW_NO_RESPONSE_FALLBACK     (1 << 0)
 303
 304 /*
 305  * constructors
 306  */
 307 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
 308                       unsigned int codec_addr, struct hda_codec **codecp);
 309 int snd_hda_codec_configure(struct hda_codec *codec);
 310 int snd_hda_codec_update_widgets(struct hda_codec *codec);
 311
 312 /*
 313  * low level functions
 314  */
 315 static inline unsigned int
 316 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 317                                 int flags,
 318                                 unsigned int verb, unsigned int parm)
 319 {
 320         return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm);
 321 }
 322
 323 static inline int
 324 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
 325                         unsigned int verb, unsigned int parm)
 326 {
 327         return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm);
 328 }
 329
 330 #define snd_hda_param_read(codec, nid, param) \
 331         snd_hdac_read_parm(&(codec)->core, nid, param)
 332 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \
 333         snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
 334 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 335                             hda_nid_t *conn_list, int max_conns);
 336 static inline int
 337 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
 338 {
 339         return snd_hda_get_connections(codec, nid, NULL, 0);
 340 }
 341
 342 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
 343         snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
 344 #define snd_hda_get_num_raw_conns(codec, nid) \
 345         snd_hdac_get_connections(&(codec)->core, nid, NULL, 0);
 346
 347 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
 348                           const hda_nid_t **listp);
 349 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
 350                           const hda_nid_t *list);
 351 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
 352                            hda_nid_t nid, int recursive);
 353 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
 354                         u8 *dev_list, int max_devices);
 355
 356 struct hda_verb {
 357         hda_nid_t nid;
 358         u32 verb;
 359         u32 param;
 360 };
 361
 362 void snd_hda_sequence_write(struct hda_codec *codec,
 363                             const struct hda_verb *seq);
 364
 365 /* unsolicited event */
 366 static inline void
 367 snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 368 {
 369         snd_hdac_bus_queue_event(&bus->core, res, res_ex);
 370 }
 371
 372 /* cached write */
 373 static inline int
 374 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 375                           int flags, unsigned int verb, unsigned int parm)
 376 {
 377         return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
 378 }
 379
 380 #define snd_hda_codec_update_cache(codec, nid, flags, verb, parm) \
 381         snd_hda_codec_write_cache(codec, nid, flags, verb, parm)
 382
 383 /* the struct for codec->pin_configs */
 384 struct hda_pincfg {
 385         hda_nid_t nid;
 386         unsigned char ctrl;     /* original pin control value */
 387         unsigned char target;   /* target pin control value */
 388         unsigned int cfg;       /* default configuration */
 389 };
 390
 391 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
 392 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
 393                              unsigned int cfg);
 394 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
 395                        hda_nid_t nid, unsigned int cfg); /* for hwdep */
 396 void snd_hda_shutup_pins(struct hda_codec *codec);
 397
 398 /* SPDIF controls */
 399 struct hda_spdif_out {
 400         hda_nid_t nid;          /* Converter nid values relate to */
 401         unsigned int status;    /* IEC958 status bits */
 402         unsigned short ctls;    /* SPDIF control bits */
 403 };
 404 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
 405                                                hda_nid_t nid);
 406 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
 407 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
 408
 409 /*
 410  * Mixer
 411  */
 412 int snd_hda_codec_build_controls(struct hda_codec *codec);
 413
 414 /*
 415  * PCM
 416  */
 417 int snd_hda_codec_parse_pcms(struct hda_codec *codec);
 418 int snd_hda_codec_build_pcms(struct hda_codec *codec);
 419
 420 __printf(2, 3)
 421 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
 422                                       const char *fmt, ...);
 423
 424 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
 425 {
 426         kref_get(&pcm->kref);
 427 }
 428 void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
 429
 430 int snd_hda_codec_prepare(struct hda_codec *codec,
 431                           struct hda_pcm_stream *hinfo,
 432                           unsigned int stream,
 433                           unsigned int format,
 434                           struct snd_pcm_substream *substream);
 435 void snd_hda_codec_cleanup(struct hda_codec *codec,
 436                            struct hda_pcm_stream *hinfo,
 437                            struct snd_pcm_substream *substream);
 438
 439 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 440                                 u32 stream_tag,
 441                                 int channel_id, int format);
 442 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
 443                                     int do_now);
 444 #define snd_hda_codec_cleanup_stream(codec, nid) \
 445         __snd_hda_codec_cleanup_stream(codec, nid, 0)
 446
 447 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
 448         snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
 449 #define snd_hda_is_supported_format(codec, nid, fmt) \
 450         snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
 451
 452 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
 453
 454 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
 455                               struct hda_pcm *cpcm);
 456
 457 /*
 458  * Misc
 459  */
 460 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
 461 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
 462                                     unsigned int power_state);
 463
 464 int snd_hda_lock_devices(struct hda_bus *bus);
 465 void snd_hda_unlock_devices(struct hda_bus *bus);
 466 void snd_hda_bus_reset(struct hda_bus *bus);
 467 void snd_hda_bus_reset_codecs(struct hda_bus *bus);
 468
 469 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
 470
 471 /*
 472  * power management
 473  */
 474 extern const struct dev_pm_ops hda_codec_driver_pm;
 475
 476 static inline
 477 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
 478 {
 479 #ifdef CONFIG_PM
 480         if (codec->patch_ops.check_power_status)
 481                 return codec->patch_ops.check_power_status(codec, nid);
 482 #endif
 483         return 0;
 484 }
 485
 486 /*
 487  * power saving
 488  */
 489 #define snd_hda_power_up(codec)         snd_hdac_power_up(&(codec)->core)
 490 #define snd_hda_power_up_pm(codec)      snd_hdac_power_up_pm(&(codec)->core)
 491 #define snd_hda_power_down(codec)       snd_hdac_power_down(&(codec)->core)
 492 #define snd_hda_power_down_pm(codec)    snd_hdac_power_down_pm(&(codec)->core)
 493 #ifdef CONFIG_PM
 494 void snd_hda_set_power_save(struct hda_bus *bus, int delay);
 495 void snd_hda_update_power_acct(struct hda_codec *codec);
 496 #else
 497 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
 498 #endif
 499
 500 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 501 /*
 502  * patch firmware
 503  */
 504 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
 505 #endif
 506
 507 #ifdef CONFIG_SND_HDA_DSP_LOADER
 508 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
 509                                    unsigned int size,
 510                                    struct snd_dma_buffer *bufp);
 511 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
 512 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
 513                                     struct snd_dma_buffer *dmab);
 514 #else
 515 static inline int
 516 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
 517                                 unsigned int size,
 518                                 struct snd_dma_buffer *bufp)
 519 {
 520         return -ENOSYS;
 521 }
 522 static inline void
 523 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
 524 static inline void
 525 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
 526                                 struct snd_dma_buffer *dmab) {}
 527 #endif
 528
 529 #endif /* __SOUND_HDA_CODEC_H */