LXR linux/sound/pci/hda/hda

   1/*
   2 * Universal Interface for Intel High Definition Audio Codec
   3 *
   4 * Local helper functions
   5 *
   6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7 *
   8 *  This program is free software; you can redistribute it and/or modify it
   9 *  under the terms of the GNU General Public License as published by the Free
  10 *  Software Foundation; either version 2 of the License, or (at your option)
  11 *  any later version.
  12 *
  13 *  This program is distributed in the hope that it will be useful, but WITHOUT
  14 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16 *  more details.
  17 *
  18 *  You should have received a copy of the GNU General Public License along with
  19 *  this program; if not, write to the Free Software Foundation, Inc., 59
  20 *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 */
  22
  23#ifndef __SOUND_HDA_LOCAL_H
  24#define __SOUND_HDA_LOCAL_H
  25
  26/* We abuse kcontrol_new.subdev field to pass the NID corresponding to
  27 * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
  28 * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
  29 * 
  30 * Note that the subdevice field is cleared again before the real registration
  31 * in snd_hda_ctl_add(), so that this value won't appear in the outside.
  32 */
  33#define HDA_SUBDEV_NID_FLAG     (1U << 31)
  34#define HDA_SUBDEV_AMP_FLAG     (1U << 30)
  35
  36/*
  37 * for mixer controls
  38 */
  39#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)            \
  40        ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
  41#define HDA_AMP_VAL_MIN_MUTE (1<<29)
  42#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  43        HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  44/* mono volume with index (index=0,1,...) (channel=1,2) */
  45#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
  46        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  47          .subdevice = HDA_SUBDEV_AMP_FLAG, \
  48          .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  49                    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  50                    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  51          .info = snd_hda_mixer_amp_volume_info, \
  52          .get = snd_hda_mixer_amp_volume_get, \
  53          .put = snd_hda_mixer_amp_volume_put, \
  54          .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  55          .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
  56/* stereo volume with index */
  57#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  58        HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
  59/* mono volume */
  60#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  61        HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
  62/* stereo volume */
  63#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  64        HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  65/* stereo volume with min=mute */
  66#define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
  67        HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
  68                                  HDA_AMP_VAL_MIN_MUTE)
  69/* mono mute switch with index (index=0,1,...) (channel=1,2) */
  70#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  71        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  72          .subdevice = HDA_SUBDEV_AMP_FLAG, \
  73          .info = snd_hda_mixer_amp_switch_info, \
  74          .get = snd_hda_mixer_amp_switch_get, \
  75          .put = snd_hda_mixer_amp_switch_put, \
  76          .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  77/* stereo mute switch with index */
  78#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  79        HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  80/* mono mute switch */
  81#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  82        HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  83/* stereo mute switch */
  84#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  85        HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  86#ifdef CONFIG_SND_HDA_INPUT_BEEP
  87/* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  88#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  89        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  90          .subdevice = HDA_SUBDEV_AMP_FLAG, \
  91          .info = snd_hda_mixer_amp_switch_info, \
  92          .get = snd_hda_mixer_amp_switch_get, \
  93          .put = snd_hda_mixer_amp_switch_put_beep, \
  94          .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  95#else
  96/* no digital beep - just the standard one */
  97#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
  98        HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
  99#endif /* CONFIG_SND_HDA_INPUT_BEEP */
 100/* special beep mono mute switch */
 101#define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
 102        HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
 103/* special beep stereo mute switch */
 104#define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
 105        HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
 106
 107extern const char *snd_hda_pcm_type_name[];
 108
 109int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 110                                  struct snd_ctl_elem_info *uinfo);
 111int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 112                                 struct snd_ctl_elem_value *ucontrol);
 113int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 114                                 struct snd_ctl_elem_value *ucontrol);
 115int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 116                          unsigned int size, unsigned int __user *tlv);
 117int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 118                                  struct snd_ctl_elem_info *uinfo);
 119int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 120                                 struct snd_ctl_elem_value *ucontrol);
 121int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 122                                 struct snd_ctl_elem_value *ucontrol);
 123#ifdef CONFIG_SND_HDA_INPUT_BEEP
 124int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 125                                      struct snd_ctl_elem_value *ucontrol);
 126#endif
 127/* lowlevel accessor with caching; use carefully */
 128int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 129                           int direction, int index);
 130int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 131                             int direction, int idx, int mask, int val);
 132int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 133                             int dir, int idx, int mask, int val);
 134#ifdef SND_HDA_NEEDS_RESUME
 135void snd_hda_codec_resume_amp(struct hda_codec *codec);
 136#endif
 137
 138void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 139                             unsigned int *tlv);
 140struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 141                                            const char *name);
 142int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 143                        unsigned int *tlv, const char * const *slaves);
 144int snd_hda_codec_reset(struct hda_codec *codec);
 145
 146/* amp value bits */
 147#define HDA_AMP_MUTE    0x80
 148#define HDA_AMP_UNMUTE  0x00
 149#define HDA_AMP_VOLMASK 0x7f
 150
 151/* mono switch binding multiple inputs */
 152#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 153        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 154          .info = snd_hda_mixer_amp_switch_info, \
 155          .get = snd_hda_mixer_bind_switch_get, \
 156          .put = snd_hda_mixer_bind_switch_put, \
 157          .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 158
 159/* stereo switch binding multiple inputs */
 160#define HDA_BIND_MUTE(xname,nid,indices,dir) \
 161        HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 162
 163int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 164                                  struct snd_ctl_elem_value *ucontrol);
 165int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 166                                  struct snd_ctl_elem_value *ucontrol);
 167
 168/* more generic bound controls */
 169struct hda_ctl_ops {
 170        snd_kcontrol_info_t *info;
 171        snd_kcontrol_get_t *get;
 172        snd_kcontrol_put_t *put;
 173        snd_kcontrol_tlv_rw_t *tlv;
 174};
 175
 176extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 177extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 178
 179struct hda_bind_ctls {
 180        struct hda_ctl_ops *ops;
 181        unsigned long values[];
 182};
 183
 184int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 185                                 struct snd_ctl_elem_info *uinfo);
 186int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 187                                struct snd_ctl_elem_value *ucontrol);
 188int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 189                                struct snd_ctl_elem_value *ucontrol);
 190int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 191                           unsigned int size, unsigned int __user *tlv);
 192
 193#define HDA_BIND_VOL(xname, bindrec) \
 194        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 195          .name = xname, \
 196          .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 197                          SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 198                          SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 199          .info = snd_hda_mixer_bind_ctls_info,\
 200          .get =  snd_hda_mixer_bind_ctls_get,\
 201          .put = snd_hda_mixer_bind_ctls_put,\
 202          .tlv = { .c = snd_hda_mixer_bind_tlv },\
 203          .private_value = (long) (bindrec) }
 204#define HDA_BIND_SW(xname, bindrec) \
 205        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 206          .name = xname, \
 207          .info = snd_hda_mixer_bind_ctls_info,\
 208          .get =  snd_hda_mixer_bind_ctls_get,\
 209          .put = snd_hda_mixer_bind_ctls_put,\
 210          .private_value = (long) (bindrec) }
 211
 212/*
 213 * SPDIF I/O
 214 */
 215int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 216int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 217
 218/*
 219 * input MUX helper
 220 */
 221#define HDA_MAX_NUM_INPUTS      16
 222struct hda_input_mux_item {
 223        char label[32];
 224        unsigned int index;
 225};
 226struct hda_input_mux {
 227        unsigned int num_items;
 228        struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 229};
 230
 231int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 232                           struct snd_ctl_elem_info *uinfo);
 233int snd_hda_input_mux_put(struct hda_codec *codec,
 234                          const struct hda_input_mux *imux,
 235                          struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 236                          unsigned int *cur_val);
 237
 238/*
 239 * Channel mode helper
 240 */
 241struct hda_channel_mode {
 242        int channels;
 243        const struct hda_verb *sequence;
 244};
 245
 246int snd_hda_ch_mode_info(struct hda_codec *codec,
 247                         struct snd_ctl_elem_info *uinfo,
 248                         const struct hda_channel_mode *chmode,
 249                         int num_chmodes);
 250int snd_hda_ch_mode_get(struct hda_codec *codec,
 251                        struct snd_ctl_elem_value *ucontrol,
 252                        const struct hda_channel_mode *chmode,
 253                        int num_chmodes,
 254                        int max_channels);
 255int snd_hda_ch_mode_put(struct hda_codec *codec,
 256                        struct snd_ctl_elem_value *ucontrol,
 257                        const struct hda_channel_mode *chmode,
 258                        int num_chmodes,
 259                        int *max_channelsp);
 260
 261/*
 262 * Multi-channel / digital-out PCM helper
 263 */
 264
 265enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 266enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 267
 268struct hda_multi_out {
 269        int num_dacs;           /* # of DACs, must be more than 1 */
 270        hda_nid_t *dac_nids;    /* DAC list */
 271        hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 272        hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 273        hda_nid_t dig_out_nid;  /* digital out audio widget */
 274        hda_nid_t *slave_dig_outs;
 275        int max_channels;       /* currently supported analog channels */
 276        int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 277        int no_share_stream;    /* don't share a stream with multiple pins */
 278        int share_spdif;        /* share SPDIF pin */
 279        /* PCM information for both analog and SPDIF DACs */
 280        unsigned int analog_rates;
 281        unsigned int analog_maxbps;
 282        u64 analog_formats;
 283        unsigned int spdif_rates;
 284        unsigned int spdif_maxbps;
 285        u64 spdif_formats;
 286};
 287
 288int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 289                                  struct hda_multi_out *mout);
 290int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 291                               struct hda_multi_out *mout);
 292int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 293                                struct hda_multi_out *mout);
 294int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 295                                  struct hda_multi_out *mout,
 296                                  unsigned int stream_tag,
 297                                  unsigned int format,
 298                                  struct snd_pcm_substream *substream);
 299int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 300                                  struct hda_multi_out *mout);
 301int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 302                                  struct hda_multi_out *mout,
 303                                  struct snd_pcm_substream *substream,
 304                                  struct hda_pcm_stream *hinfo);
 305int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 306                                     struct hda_multi_out *mout,
 307                                     unsigned int stream_tag,
 308                                     unsigned int format,
 309                                     struct snd_pcm_substream *substream);
 310int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 311                                     struct hda_multi_out *mout);
 312
 313/*
 314 * generic codec parser
 315 */
 316#ifdef CONFIG_SND_HDA_GENERIC
 317int snd_hda_parse_generic_codec(struct hda_codec *codec);
 318#else
 319static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 320{
 321        return -ENODEV;
 322}
 323#endif
 324
 325/*
 326 * generic proc interface
 327 */
 328#ifdef CONFIG_PROC_FS
 329int snd_hda_codec_proc_new(struct hda_codec *codec);
 330#else
 331static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 332#endif
 333
 334#define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 335void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 336
 337#define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 338void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 339
 340/*
 341 * Misc
 342 */
 343int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 344                               const char * const *modelnames,
 345                               const struct snd_pci_quirk *pci_list);
 346int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 347                               int num_configs, const char * const *models,
 348                               const struct snd_pci_quirk *tbl);
 349int snd_hda_add_new_ctls(struct hda_codec *codec,
 350                         struct snd_kcontrol_new *knew);
 351
 352/*
 353 * unsolicited event handler
 354 */
 355
 356#define HDA_UNSOL_QUEUE_SIZE    64
 357
 358struct hda_bus_unsolicited {
 359        /* ring buffer */
 360        u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 361        unsigned int rp, wp;
 362
 363        /* workqueue */
 364        struct work_struct work;
 365        struct hda_bus *bus;
 366};
 367
 368/*
 369 * Helper for automatic pin configuration
 370 */
 371
 372enum {
 373        AUTO_PIN_MIC,
 374        AUTO_PIN_LINE_IN,
 375        AUTO_PIN_CD,
 376        AUTO_PIN_AUX,
 377        AUTO_PIN_LAST
 378};
 379
 380enum {
 381        AUTO_PIN_LINE_OUT,
 382        AUTO_PIN_SPEAKER_OUT,
 383        AUTO_PIN_HP_OUT
 384};
 385
 386#define AUTO_CFG_MAX_OUTS       5
 387#define AUTO_CFG_MAX_INS        8
 388
 389struct auto_pin_cfg_item {
 390        hda_nid_t pin;
 391        int type;
 392};
 393
 394struct auto_pin_cfg;
 395const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin,
 396                                    int check_location);
 397const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 398                                        const struct auto_pin_cfg *cfg,
 399                                        int input);
 400int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
 401                          int index, int *type_index_ret);
 402
 403enum {
 404        INPUT_PIN_ATTR_UNUSED,  /* pin not connected */
 405        INPUT_PIN_ATTR_INT,     /* internal mic/line-in */
 406        INPUT_PIN_ATTR_DOCK,    /* docking mic/line-in */
 407        INPUT_PIN_ATTR_NORMAL,  /* mic/line-in jack */
 408        INPUT_PIN_ATTR_FRONT,   /* mic/line-in jack in front */
 409        INPUT_PIN_ATTR_REAR,    /* mic/line-in jack in rear */
 410};
 411
 412int snd_hda_get_input_pin_attr(unsigned int def_conf);
 413
 414struct auto_pin_cfg {
 415        int line_outs;
 416        /* sorted in the order of Front/Surr/CLFE/Side */
 417        hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 418        int speaker_outs;
 419        hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 420        int hp_outs;
 421        int line_out_type;      /* AUTO_PIN_XXX_OUT */
 422        hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 423        int num_inputs;
 424        struct auto_pin_cfg_item inputs[AUTO_CFG_MAX_INS];
 425        int dig_outs;
 426        hda_nid_t dig_out_pins[2];
 427        hda_nid_t dig_in_pin;
 428        hda_nid_t mono_out_pin;
 429        int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 430        int dig_in_type; /* HDA_PCM_TYPE_XXX */
 431};
 432
 433#define get_defcfg_connect(cfg) \
 434        ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 435#define get_defcfg_association(cfg) \
 436        ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 437#define get_defcfg_location(cfg) \
 438        ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 439#define get_defcfg_sequence(cfg) \
 440        (cfg & AC_DEFCFG_SEQUENCE)
 441#define get_defcfg_device(cfg) \
 442        ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 443
 444int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 445                                 struct auto_pin_cfg *cfg,
 446                                 hda_nid_t *ignore_nids);
 447
 448/* amp values */
 449#define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 450#define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 451#define AMP_OUT_MUTE            0xb080
 452#define AMP_OUT_UNMUTE          0xb000
 453#define AMP_OUT_ZERO            0xb000
 454/* pinctl values */
 455#define PIN_IN                  (AC_PINCTL_IN_EN)
 456#define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 457#define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 458#define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 459#define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 460#define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 461#define PIN_OUT                 (AC_PINCTL_OUT_EN)
 462#define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 463#define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 464
 465/*
 466 * get widget capabilities
 467 */
 468static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 469{
 470        if (nid < codec->start_nid ||
 471            nid >= codec->start_nid + codec->num_nodes)
 472                return 0;
 473        return codec->wcaps[nid - codec->start_nid];
 474}
 475
 476/* get the widget type from widget capability bits */
 477#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 478
 479static inline unsigned int get_wcaps_channels(u32 wcaps)
 480{
 481        unsigned int chans;
 482
 483        chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 484        chans = ((chans << 1) | 1) + 1;
 485
 486        return chans;
 487}
 488
 489u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 490int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 491                              unsigned int caps);
 492u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 493u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
 494int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 495
 496/* flags for hda_nid_item */
 497#define HDA_NID_ITEM_AMP        (1<<0)
 498
 499struct hda_nid_item {
 500        struct snd_kcontrol *kctl;
 501        unsigned int index;
 502        hda_nid_t nid;
 503        unsigned short flags;
 504};
 505
 506int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 507                    struct snd_kcontrol *kctl);
 508int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
 509                    unsigned int index, hda_nid_t nid);
 510void snd_hda_ctls_clear(struct hda_codec *codec);
 511
 512/*
 513 * hwdep interface
 514 */
 515#ifdef CONFIG_SND_HDA_HWDEP
 516int snd_hda_create_hwdep(struct hda_codec *codec);
 517#else
 518static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 519#endif
 520
 521#if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
 522int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
 523#else
 524static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
 525{
 526        return 0;
 527}
 528#endif
 529
 530#ifdef CONFIG_SND_HDA_RECONFIG
 531int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 532#else
 533static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 534{
 535        return 0;
 536}
 537#endif
 538
 539#ifdef CONFIG_SND_HDA_RECONFIG
 540const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 541int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 542#else
 543static inline
 544const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 545{
 546        return NULL;
 547}
 548
 549static inline
 550int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 551{
 552        return -ENOENT;
 553}
 554#endif
 555
 556/*
 557 * power-management
 558 */
 559
 560#ifdef CONFIG_SND_HDA_POWER_SAVE
 561void snd_hda_schedule_power_save(struct hda_codec *codec);
 562
 563struct hda_amp_list {
 564        hda_nid_t nid;
 565        unsigned char dir;
 566        unsigned char idx;
 567};
 568
 569struct hda_loopback_check {
 570        struct hda_amp_list *amplist;
 571        int power_on;
 572};
 573
 574int snd_hda_check_amp_list_power(struct hda_codec *codec,
 575                                 struct hda_loopback_check *check,
 576                                 hda_nid_t nid);
 577#endif /* CONFIG_SND_HDA_POWER_SAVE */
 578
 579/*
 580 * AMP control callbacks
 581 */
 582/* retrieve parameters from private_value */
 583#define get_amp_nid_(pv)        ((pv) & 0xffff)
 584#define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 585#define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 586#define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 587#define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 588#define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 589#define get_amp_min_mute(kc)    (((kc)->private_value >> 29) & 0x1)
 590
 591/*
 592 * CEA Short Audio Descriptor data
 593 */
 594struct cea_sad {
 595        int     channels;
 596        int     format;         /* (format == 0) indicates invalid SAD */
 597        int     rates;
 598        int     sample_bits;    /* for LPCM */
 599        int     max_bitrate;    /* for AC3...ATRAC */
 600        int     profile;        /* for WMAPRO */
 601};
 602
 603#define ELD_FIXED_BYTES 20
 604#define ELD_MAX_MNL     16
 605#define ELD_MAX_SAD     16
 606
 607/*
 608 * ELD: EDID Like Data
 609 */
 610struct hdmi_eld {
 611        bool    monitor_present;
 612        bool    eld_valid;
 613        int     eld_size;
 614        int     baseline_len;
 615        int     eld_ver;
 616        int     cea_edid_ver;
 617        char    monitor_name[ELD_MAX_MNL + 1];
 618        int     manufacture_id;
 619        int     product_id;
 620        u64     port_id;
 621        int     support_hdcp;
 622        int     support_ai;
 623        int     conn_type;
 624        int     aud_synch_delay;
 625        int     spk_alloc;
 626        int     sad_count;
 627        struct cea_sad sad[ELD_MAX_SAD];
 628#ifdef CONFIG_PROC_FS
 629        struct snd_info_entry *proc_entry;
 630#endif
 631};
 632
 633int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 634int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 635void snd_hdmi_show_eld(struct hdmi_eld *eld);
 636void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
 637                              struct hda_pcm_stream *codec_pars);
 638
 639#ifdef CONFIG_PROC_FS
 640int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 641                         int index);
 642void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 643#else
 644static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 645                                       struct hdmi_eld *eld,
 646                                       int index)
 647{
 648        return 0;
 649}
 650static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 651                                         struct hdmi_eld *eld)
 652{
 653}
 654#endif
 655
 656#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 657void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 658
 659/*
 660 * Input-jack notification support
 661 */
 662#ifdef CONFIG_SND_HDA_INPUT_JACK
 663int snd_hda_input_jack_add(struct hda_codec *codec, hda_nid_t nid, int type,
 664                           const char *name);
 665void snd_hda_input_jack_report(struct hda_codec *codec, hda_nid_t nid);
 666void snd_hda_input_jack_free(struct hda_codec *codec);
 667#else /* CONFIG_SND_HDA_INPUT_JACK */
 668static inline int snd_hda_input_jack_add(struct hda_codec *codec,
 669                                         hda_nid_t nid, int type,
 670                                         const char *name)
 671{
 672        return 0;
 673}
 674static inline void snd_hda_input_jack_report(struct hda_codec *codec,
 675                                             hda_nid_t nid)
 676{
 677}
 678static inline void snd_hda_input_jack_free(struct hda_codec *codec)
 679{
 680}
 681#endif /* CONFIG_SND_HDA_INPUT_JACK */
 682
 683#endif /* __SOUND_HDA_LOCAL_H */
 684