/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#include <limits.h>
#include <stdint.h>
#include <stdbool.h>
#include "local.h"
#include "list.h"
#include "topology.h"
#define __packed __attribute__((__packed__))
#include <sound/asound.h>
#include <sound/asoc.h>
#include <sound/tlv.h>
#ifdef TPLG_DEBUG
#define tplg_dbg SNDERR
#else
#define tplg_dbg(fmt, arg...) do { } while (0)
#endif
#define MAX_FILE 256
#define TPLG_MAX_PRIV_SIZE (1024 * 128)
/** The name of the environment variable containing the tplg directory */
#define ALSA_CONFIG_TPLG_VAR "ALSA_CONFIG_TPLG"
struct tplg_ref;
struct tplg_elem;
typedef enum _snd_pcm_rates {
SND_PCM_RATE_UNKNOWN = -1,
SND_PCM_RATE_5512 = 0,
SND_PCM_RATE_8000,
SND_PCM_RATE_11025,
SND_PCM_RATE_16000,
SND_PCM_RATE_22050,
SND_PCM_RATE_32000,
SND_PCM_RATE_44100,
SND_PCM_RATE_48000,
SND_PCM_RATE_64000,
SND_PCM_RATE_88200,
SND_PCM_RATE_96000,
SND_PCM_RATE_176400,
SND_PCM_RATE_192000,
SND_PCM_RATE_CONTINUOUS = 30,
SND_PCM_RATE_KNOT = 31,
SND_PCM_RATE_LAST = SND_PCM_RATE_KNOT,
} snd_pcm_rates_t;
struct snd_tplg {
/* opaque vendor data */
int vendor_fd;
char *vendor_name;
/* out file */
int out_fd;
int verbose;
unsigned int version;
/* runtime state */
unsigned int next_hdr_pos;
int index;
int channel_idx;
/* manifest */
struct snd_soc_tplg_manifest manifest;
void *manifest_pdata; /* copied by builder at file write */
/* list of each element type */
struct list_head tlv_list;
struct list_head widget_list;
struct list_head pcm_list;
struct list_head dai_list;
struct list_head be_list;
struct list_head cc_list;
struct list_head route_list;
struct list_head text_list;
struct list_head pdata_list;
struct list_head token_list;
struct list_head tuple_list;
struct list_head manifest_list;
struct list_head pcm_config_list;
struct list_head pcm_caps_list;
struct list_head hw_cfg_list;
/* type-specific control lists */
struct list_head mixer_list;
struct list_head enum_list;
struct list_head bytes_ext_list;
};
/* object text references */
struct tplg_ref {
unsigned int type;
struct tplg_elem *elem;
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
struct list_head list;
};
struct tplg_texts {
unsigned int num_items;
char items[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
};
/* element for vendor tokens */
struct tplg_token {
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned int value;
};
struct tplg_vendor_tokens {
unsigned int num_tokens;
struct tplg_token token[0];
};
/* element for vendor tuples */
struct tplg_tuple {
char token[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
union {
char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned char uuid[16];
unsigned int value;
};
};
struct tplg_tuple_set {
unsigned int type; /* uuid, bool, byte, short, word, string*/
unsigned int num_tuples;
struct tplg_tuple tuple[0];
};
struct tplg_vendor_tuples {
unsigned int num_sets;
struct tplg_tuple_set **set;
};
/* topology element */
struct tplg_elem {
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
int index;
enum snd_tplg_type type;
int size; /* total size of this object inc pdata and ref objects */
int compound_elem; /* dont write this element as individual elem */
int vendor_type; /* vendor type for private data */
/* UAPI object for this elem */
union {
void *obj;
struct snd_soc_tplg_mixer_control *mixer_ctrl;
struct snd_soc_tplg_enum_control *enum_ctrl;
struct snd_soc_tplg_bytes_control *bytes_ext;
struct snd_soc_tplg_dapm_widget *widget;
struct snd_soc_tplg_pcm *pcm;
struct snd_soc_tplg_dai *dai;
struct snd_soc_tplg_link_config *link;/* physical link */
struct snd_soc_tplg_dapm_graph_elem *route;
struct snd_soc_tplg_stream *stream_cfg;
struct snd_soc_tplg_stream_caps *stream_caps;
struct snd_soc_tplg_hw_config *hw_cfg;
/* these do not map to UAPI structs but are internal only */
struct snd_soc_tplg_ctl_tlv *tlv;
struct tplg_texts *texts;
struct snd_soc_tplg_private *data;
struct tplg_vendor_tokens *tokens;
struct tplg_vendor_tuples *tuples;
struct snd_soc_tplg_manifest *manifest;
};
/* an element may refer to other elements:
* a mixer control may refer to a tlv,
* a widget may refer to a mixer control array,
* a graph may refer to some widgets.
*/
struct list_head ref_list;
struct list_head list; /* list of all elements with same type */
void (*free)(void *obj);
};
struct map_elem {
const char *name;
int id;
};
int tplg_parse_compound(snd_tplg_t *tplg, snd_config_t *cfg,
int (*fcn)(snd_tplg_t *, snd_config_t *, void *),
void *private);
int tplg_write_data(snd_tplg_t *tplg);
int tplg_parse_tlv(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_text(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_tuples(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
void tplg_free_tuples(void *obj);
int tplg_parse_manifest_data(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_control_bytes(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_control_enum(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_control_mixer(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_dapm_graph(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_dapm_widget(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_stream_caps(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_pcm(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_dai(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_parse_link(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_cc(snd_tplg_t *tplg,
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg,
void *private ATTRIBUTE_UNUSED);
int tplg_build_data(snd_tplg_t *tplg);
int tplg_build_manifest_data(snd_tplg_t *tplg);
int tplg_build_controls(snd_tplg_t *tplg);
int tplg_build_widgets(snd_tplg_t *tplg);
int tplg_build_routes(snd_tplg_t *tplg);
int tplg_build_pcm_dai(snd_tplg_t *tplg, unsigned int type);
int tplg_copy_data(snd_tplg_t *tplg, struct tplg_elem *elem,
struct tplg_ref *ref);
int tplg_parse_data_refs(snd_config_t *cfg, struct tplg_elem *elem);
int tplg_ref_add(struct tplg_elem *elem, int type, const char* id);
int tplg_ref_add_elem(struct tplg_elem *elem, struct tplg_elem *elem_ref);
struct tplg_elem *tplg_elem_new(void);
void tplg_elem_free(struct tplg_elem *elem);
void tplg_elem_free_list(struct list_head *base);
struct tplg_elem *tplg_elem_lookup(struct list_head *base,
const char* id,
unsigned int type,
int index);
struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
snd_config_t *cfg, const char *name, enum snd_tplg_type type);
int tplg_parse_channel(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
snd_config_t *cfg, void *private);
int tplg_parse_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
snd_config_t *cfg, void *private);
int tplg_parse_ext_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
snd_config_t *cfg, void *private);
struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base,
const char* id);
int tplg_add_mixer_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_enum_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_widget_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_graph_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer,
struct tplg_elem **e);
int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl,
struct tplg_elem **e);
int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl,
struct tplg_elem **e);
int tplg_build_pcms(snd_tplg_t *tplg, unsigned int type);
int tplg_build_dais(snd_tplg_t *tplg, unsigned int type);
int tplg_build_links(snd_tplg_t *tplg, unsigned int type);
int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_pcm_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);