ALSA project - the C library reference: /builddir/build/BUILD/alsa-lib-1.1.0/include/topology.h Source File

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# /builddir/build/BUILD/alsa-lib-1.1.0/include/topology.h

    00001 /*
    00002  *
    00003  *  This library is free software; you can redistribute it and/or modify
    00004  *  it under the terms of the GNU Lesser General Public License as
    00005  *  published by the Free Software Foundation; either version 2.1 of
    00006  *  the License, or (at your option) any later version.
    00007  *
    00008  *  This program is distributed in the hope that it will be useful,
    00009  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00010  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00011  *  GNU Lesser General Public License for more details.
    00012  *
    00013  *  You should have received a copy of the GNU Lesser General Public
    00014  *  License along with this library; if not, write to the Free Software
    00015  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
    00016  *
    00017  *  Copyright (C) 2015 Intel Corporation
    00018  *
    00019  */
    00020
    00021 #ifndef __ALSA_TOPOLOGY_H
    00022 #define __ALSA_TOPOLOGY_H
    00023
    00024 #include <stdint.h>
    00025
    00026 #ifdef __cplusplus
    00027 extern "C" {
    00028 #endif
    00029
    00462 #define SND_TPLG_MAX_CHAN               8
    00463
    00465 typedef struct snd_tplg snd_tplg_t;
    00466
    00468 enum snd_tplg_type {
    00469         SND_TPLG_TYPE_TLV = 0,
    00470         SND_TPLG_TYPE_MIXER,
    00471         SND_TPLG_TYPE_ENUM,
    00472         SND_TPLG_TYPE_TEXT,
    00473         SND_TPLG_TYPE_DATA,
    00474         SND_TPLG_TYPE_BYTES,
    00475         SND_TPLG_TYPE_STREAM_CONFIG,
    00476         SND_TPLG_TYPE_STREAM_CAPS,
    00477         SND_TPLG_TYPE_PCM,
    00478         SND_TPLG_TYPE_DAPM_WIDGET,
    00479         SND_TPLG_TYPE_DAPM_GRAPH,
    00480         SND_TPLG_TYPE_BE,
    00481         SND_TPLG_TYPE_CC,
    00482         SND_TPLG_TYPE_MANIFEST,
    00483 };
    00484
    00489 snd_tplg_t *snd_tplg_new(void);
    00490
    00495 void snd_tplg_free(snd_tplg_t *tplg);
    00496
    00504 int snd_tplg_build_file(snd_tplg_t *tplg, const char *infile,
    00505         const char *outfile);
    00506
    00512 void snd_tplg_verbose(snd_tplg_t *tplg, int verbose);
    00513
    00517 struct snd_tplg_tlv_template {
    00518         int type;
    00519 };
    00520
    00524 struct snd_tplg_tlv_dbscale_template {
    00525         struct snd_tplg_tlv_template hdr;
    00526         int min;
    00527         int step;
    00528         int mute;
    00529 };
    00530
    00534 struct snd_tplg_channel_elem {
    00535         int size;
    00536         int reg;
    00537         int shift;
    00538         int id;
    00539 };
    00540
    00544 struct snd_tplg_channel_map_template {
    00545         int num_channels;
    00546         struct snd_tplg_channel_elem channel[SND_TPLG_MAX_CHAN];
    00547 };
    00548
    00552 struct snd_tplg_pdata_template {
    00553         unsigned int length;
    00554         const void *data;
    00555 };
    00556
    00560 struct snd_tplg_io_ops_template {
    00561         int get;
    00562         int put;
    00563         int info;
    00564 };
    00565
    00569 struct snd_tplg_ctl_template {
    00570         int type;
    00571         const char *name;
    00572         int access;
    00573         struct snd_tplg_io_ops_template ops;
    00574         struct snd_tplg_tlv_template *tlv;
    00575 };
    00576
    00580 struct snd_tplg_mixer_template {
    00581         struct snd_tplg_ctl_template hdr;
    00582         struct snd_tplg_channel_map_template *map;
    00583         int min;
    00584         int max;
    00585         int platform_max;
    00586         int invert;
    00587         struct snd_soc_tplg_private *priv;
    00588 };
    00589
    00593 struct snd_tplg_enum_template {
    00594         struct snd_tplg_ctl_template hdr;
    00595         struct snd_tplg_channel_map_template *map;
    00596         int items;
    00597         int mask;
    00598         const char **texts;
    00599         const int **values;
    00600         struct snd_soc_tplg_private *priv;
    00601 };
    00602
    00606 struct snd_tplg_bytes_template {
    00607         struct snd_tplg_ctl_template hdr;
    00608         int max;
    00609         int mask;
    00610         int base;
    00611         int num_regs;
    00612         struct snd_tplg_io_ops_template ext_ops;
    00613         struct snd_soc_tplg_private *priv;
    00614 };
    00615
    00619 struct snd_tplg_graph_elem {
    00620         const char *src;
    00621         const char *ctl;
    00622         const char *sink;
    00623 };
    00624
    00628 struct snd_tplg_graph_template {
    00629         int count;
    00630         struct snd_tplg_graph_elem elem[0];
    00631 };
    00632
    00636 struct snd_tplg_widget_template {
    00637         int id;
    00638         const char *name;
    00639         const char *sname;
    00640         int reg;
    00641         int shift;
    00642         int mask;
    00643         int subseq;
    00644         unsigned int invert;
    00645         unsigned int ignore_suspend;
    00646         unsigned short event_flags;
    00647         unsigned short event_type;
    00648         struct snd_soc_tplg_private *priv;
    00649         int num_ctls;
    00650         struct snd_tplg_ctl_template *ctl[0];
    00651 };
    00652
    00656 struct snd_tplg_stream_template {
    00657         const char *name;
    00658         int format;
    00659         int rate;
    00660         int period_bytes;
    00661         int buffer_bytes;
    00662         int channels;
    00663 };
    00664
    00668 struct snd_tplg_stream_caps_template {
    00669         const char *name;
    00670         uint64_t formats;
    00671         unsigned int rates;
    00672         unsigned int rate_min;
    00673         unsigned int rate_max;
    00674         unsigned int channels_min;
    00675         unsigned int channels_max;
    00676         unsigned int periods_min;
    00677         unsigned int periods_max;
    00678         unsigned int period_size_min;
    00679         unsigned int period_size_max;
    00680         unsigned int buffer_size_min;
    00681         unsigned int buffer_size_max;
    00682 };
    00683
    00687 struct snd_tplg_pcm_template {
    00688         const char *pcm_name;
    00689         const char *dai_name;
    00690         unsigned int pcm_id;
    00691         unsigned int dai_id;
    00692         unsigned int playback;
    00693         unsigned int capture;
    00694         unsigned int compress;
    00695         struct snd_tplg_stream_caps_template *caps[2];
    00696         int num_streams;
    00697         struct snd_tplg_stream_template stream[0];
    00698 };
    00699
    00703 struct snd_tplg_link_template {
    00704         const char *name;
    00705         int id;
    00706         int num_streams;
    00707         struct snd_tplg_stream_template stream[0];
    00708 };
    00709
    00713 typedef struct snd_tplg_obj_template {
    00714         enum snd_tplg_type type;
    00715         int index;
    00716         int version;
    00717         int vendor_type;
    00718         union {
    00719                 struct snd_tplg_widget_template *widget;
    00720                 struct snd_tplg_mixer_template *mixer;
    00721                 struct snd_tplg_bytes_template *bytes_ctl;
    00722                 struct snd_tplg_enum_template *enum_ctl;
    00723                 struct snd_tplg_graph_template *graph;
    00724                 struct snd_tplg_pcm_template *pcm;
    00725                 struct snd_tplg_link_template *link;
    00726         };
    00727 } snd_tplg_obj_template_t;
    00728
    00735 int snd_tplg_add_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
    00736
    00743 int snd_tplg_build(snd_tplg_t *tplg, const char *outfile);
    00744
    00752 int snd_tplg_set_manifest_data(snd_tplg_t *tplg, const void *data, int len);
    00753
    00760 int snd_tplg_set_version(snd_tplg_t *tplg, unsigned int version);
    00761
    00762 /* \} */
    00763
    00764 #ifdef __cplusplus
    00765 }
    00766 #endif
    00767
    00768 #endif /* __ALSA_TOPOLOGY_H */

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