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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Greybus audio driver
* Copyright 2015 Google Inc.
* Copyright 2015 Linaro Ltd.
*/
#ifndef __LINUX_GBAUDIO_CODEC_H
#define __LINUX_GBAUDIO_CODEC_H
#include <sound/soc.h>
#include <sound/jack.h>
#include "greybus.h"
#include "greybus_protocols.h"
#define NAME_SIZE 32
#define MAX_DAIS 2 /* APB1, APB2 */
enum {
APB1_PCM = 0,
APB2_PCM,
NUM_CODEC_DAIS,
};
/*
* device_type should be same as defined in audio.h
* (Android media layer)
*/
enum {
GBAUDIO_DEVICE_NONE = 0x0,
/* reserved bits */
GBAUDIO_DEVICE_BIT_IN = 0x80000000,
GBAUDIO_DEVICE_BIT_DEFAULT = 0x40000000,
/* output devices */
GBAUDIO_DEVICE_OUT_SPEAKER = 0x2,
GBAUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4,
GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8,
/* input devices */
GBAUDIO_DEVICE_IN_BUILTIN_MIC = GBAUDIO_DEVICE_BIT_IN | 0x4,
GBAUDIO_DEVICE_IN_WIRED_HEADSET = GBAUDIO_DEVICE_BIT_IN | 0x10,
};
#define GBCODEC_JACK_MASK 0x0000FFFF
#define GBCODEC_JACK_BUTTON_MASK 0xFFFF0000
enum gbaudio_codec_state {
GBAUDIO_CODEC_SHUTDOWN = 0,
GBAUDIO_CODEC_STARTUP,
GBAUDIO_CODEC_HWPARAMS,
GBAUDIO_CODEC_PREPARE,
GBAUDIO_CODEC_START,
GBAUDIO_CODEC_STOP,
};
struct gbaudio_stream_params {
int state;
u8 sig_bits, channels;
u32 format, rate;
};
struct gbaudio_codec_dai {
int id;
/* runtime params for playback/capture streams */
struct gbaudio_stream_params params[2];
struct list_head list;
};
struct gbaudio_codec_info {
struct device *dev;
struct snd_soc_codec *codec;
struct list_head module_list;
/* to maintain runtime stream params for each DAI */
struct list_head dai_list;
struct mutex lock;
};
struct gbaudio_widget {
__u8 id;
const char *name;
struct list_head list;
};
struct gbaudio_control {
__u8 id;
char *name;
char *wname;
const char * const *texts;
int items;
struct list_head list;
};
struct gbaudio_data_connection {
int id;
__le16 data_cport;
struct gb_connection *connection;
struct list_head list;
/* maintain runtime state for playback/capture stream */
int state[2];
};
/* stream direction */
#define GB_PLAYBACK BIT(0)
#define GB_CAPTURE BIT(1)
enum gbaudio_module_state {
GBAUDIO_MODULE_OFF = 0,
GBAUDIO_MODULE_ON,
};
struct gbaudio_module_info {
/* module info */
struct device *dev;
int dev_id; /* check if it should be bundle_id/hd_cport_id */
int vid;
int pid;
int type;
int set_uevent;
char vstr[NAME_SIZE];
char pstr[NAME_SIZE];
struct list_head list;
/* need to share this info to above user space */
int manager_id;
char name[NAME_SIZE];
unsigned int ip_devices;
unsigned int op_devices;
/* jack related */
char jack_name[NAME_SIZE];
char button_name[NAME_SIZE];
int jack_type;
int jack_mask;
int button_mask;
int button_status;
struct snd_soc_jack headset_jack;
struct snd_soc_jack button_jack;
/* connection info */
struct gb_connection *mgmt_connection;
size_t num_data_connections;
struct list_head data_list;
/* topology related */
int num_dais;
int num_controls;
int num_dapm_widgets;
int num_dapm_routes;
unsigned long dai_offset;
unsigned long widget_offset;
unsigned long control_offset;
unsigned long route_offset;
struct snd_kcontrol_new *controls;
struct snd_soc_dapm_widget *dapm_widgets;
struct snd_soc_dapm_route *dapm_routes;
struct snd_soc_dai_driver *dais;
struct list_head widget_list;
struct list_head ctl_list;
struct list_head widget_ctl_list;
struct gb_audio_topology *topology;
};
int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
struct gb_audio_topology *tplg_data);
void gbaudio_tplg_release(struct gbaudio_module_info *module);
int gbaudio_module_update(struct gbaudio_codec_info *codec,
struct snd_soc_dapm_widget *w,
struct gbaudio_module_info *module,
int enable);
int gbaudio_register_module(struct gbaudio_module_info *module);
void gbaudio_unregister_module(struct gbaudio_module_info *module);
/* protocol related */
int gb_audio_gb_get_topology(struct gb_connection *connection,
struct gb_audio_topology **topology);
int gb_audio_gb_get_control(struct gb_connection *connection,
u8 control_id, u8 index,
struct gb_audio_ctl_elem_value *value);
int gb_audio_gb_set_control(struct gb_connection *connection,
u8 control_id, u8 index,
struct gb_audio_ctl_elem_value *value);
int gb_audio_gb_enable_widget(struct gb_connection *connection,
u8 widget_id);
int gb_audio_gb_disable_widget(struct gb_connection *connection,
u8 widget_id);
int gb_audio_gb_get_pcm(struct gb_connection *connection,
u16 data_cport, u32 *format,
u32 *rate, u8 *channels,
u8 *sig_bits);
int gb_audio_gb_set_pcm(struct gb_connection *connection,
u16 data_cport, u32 format,
u32 rate, u8 channels,
u8 sig_bits);
int gb_audio_gb_set_tx_data_size(struct gb_connection *connection,
u16 data_cport, u16 size);
int gb_audio_gb_activate_tx(struct gb_connection *connection,
u16 data_cport);
int gb_audio_gb_deactivate_tx(struct gb_connection *connection,
u16 data_cport);
int gb_audio_gb_set_rx_data_size(struct gb_connection *connection,
u16 data_cport, u16 size);
int gb_audio_gb_activate_rx(struct gb_connection *connection,
u16 data_cport);
int gb_audio_gb_deactivate_rx(struct gb_connection *connection,
u16 data_cport);
int gb_audio_apbridgea_set_config(struct gb_connection *connection,
__u16 i2s_port, __u32 format,
__u32 rate, __u32 mclk_freq);
int gb_audio_apbridgea_register_cport(struct gb_connection *connection,
__u16 i2s_port, __u16 cportid,
__u8 direction);
int gb_audio_apbridgea_unregister_cport(struct gb_connection *connection,
__u16 i2s_port, __u16 cportid,
__u8 direction);
int gb_audio_apbridgea_set_tx_data_size(struct gb_connection *connection,
__u16 i2s_port, __u16 size);
int gb_audio_apbridgea_prepare_tx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_start_tx(struct gb_connection *connection,
__u16 i2s_port, __u64 timestamp);
int gb_audio_apbridgea_stop_tx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_shutdown_tx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_set_rx_data_size(struct gb_connection *connection,
__u16 i2s_port, __u16 size);
int gb_audio_apbridgea_prepare_rx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_start_rx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_stop_rx(struct gb_connection *connection,
__u16 i2s_port);
int gb_audio_apbridgea_shutdown_rx(struct gb_connection *connection,
__u16 i2s_port);
#endif /* __LINUX_GBAUDIO_CODEC_H */
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