sound/pci/hda/hda_local.h

   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 /*
  27  * for mixer controls
  28  */
  29 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19))
  30 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  31         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  32           .info = snd_hda_mixer_amp_volume_info, \
  33           .get = snd_hda_mixer_amp_volume_get, \
  34           .put = snd_hda_mixer_amp_volume_put, \
  35           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  36 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  37         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  38 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  39         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  40 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  41         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  42 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  43         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  44           .info = snd_hda_mixer_amp_switch_info, \
  45           .get = snd_hda_mixer_amp_switch_get, \
  46           .put = snd_hda_mixer_amp_switch_put, \
  47           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  48 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  49         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  50 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  51         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  52 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  53         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  54
  55 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
  56 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
  57 int snd_hda_mixer_amp_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
  58 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
  59 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
  60 int snd_hda_mixer_amp_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
  61
  62 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
  63 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
  64
  65 /*
  66  * input MUX helper
  67  */
  68 #define HDA_MAX_NUM_INPUTS      8
  69 struct hda_input_mux_item {
  70         const char *label;
  71         unsigned int index;
  72 };
  73 struct hda_input_mux {
  74         unsigned int num_items;
  75         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
  76 };
  77
  78 int snd_hda_input_mux_info(const struct hda_input_mux *imux, snd_ctl_elem_info_t *uinfo);
  79 int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
  80                           snd_ctl_elem_value_t *ucontrol, hda_nid_t nid,
  81                           unsigned int *cur_val);
  82
  83 /*
  84  * Multi-channel / digital-out PCM helper
  85  */
  86
  87 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
  88 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
  89
  90 struct hda_multi_out {
  91         int num_dacs;           /* # of DACs, must be more than 1 */
  92         hda_nid_t *dac_nids;    /* DAC list */
  93         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
  94         hda_nid_t dig_out_nid;  /* digital out audio widget */
  95         int max_channels;       /* currently supported analog channels */
  96         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
  97 };
  98
  99 int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout);
 100 int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout);
 101 int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
 102                                   snd_pcm_substream_t *substream);
 103 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
 104                                      unsigned int stream_tag,
 105                                      unsigned int format,
 106                                      snd_pcm_substream_t *substream);
 107 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout);
 108
 109 /*
 110  * generic codec parser
 111  */
 112 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 113
 114 /*
 115  * generic proc interface
 116  */
 117 #ifdef CONFIG_PROC_FS
 118 int snd_hda_codec_proc_new(struct hda_codec *codec);
 119 #else
 120 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 121 #endif
 122
 123 /*
 124  * Misc
 125  */
 126 struct hda_board_config {
 127         const char *modelname;
 128         int config;
 129         unsigned short pci_vendor;
 130         unsigned short pci_device;
 131 };
 132
 133 int snd_hda_check_board_config(struct hda_codec *codec, struct hda_board_config *tbl);
 134 int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
 135
 136 /*
 137  * power management
 138  */
 139 #ifdef CONFIG_PM
 140 int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
 141 int snd_hda_resume_spdif_out(struct hda_codec *codec);
 142 int snd_hda_resume_spdif_in(struct hda_codec *codec);
 143 #endif
 144
 145 /*
 146  * unsolicited event handler
 147  */
 148
 149 #define HDA_UNSOL_QUEUE_SIZE    64
 150
 151 struct hda_bus_unsolicited {
 152         /* ring buffer */
 153         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 154         unsigned int rp, wp;
 155
 156         /* workqueue */
 157         struct workqueue_struct *workq;
 158         struct work_struct work;
 159 };
 160
 161 #endif /* __SOUND_HDA_LOCAL_H */