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/*
* Greybus audio driver
* Copyright 2015 Google Inc.
* Copyright 2015 Linaro Ltd.
*
* Released under the GPLv2 only.
*/
#ifndef __LINUX_GBAUDIO_CODEC_H
#define __LINUX_GBAUDIO_CODEC_H
#include <sound/soc.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,
};
enum gbcodec_reg_index {
GBCODEC_CTL_REG,
GBCODEC_MUTE_REG,
GBCODEC_PB_LVOL_REG,
GBCODEC_PB_RVOL_REG,
GBCODEC_CAP_LVOL_REG,
GBCODEC_CAP_RVOL_REG,
GBCODEC_APB1_MUX_REG,
GBCODEC_APB2_MUX_REG,
GBCODEC_REG_COUNT
};
/* bit 0-SPK, 1-HP, 2-DAC,
* 4-MIC, 5-HSMIC, 6-MIC2
*/
#define GBCODEC_CTL_REG_DEFAULT 0x00
/* bit 0,1 - APB1-PB-L/R
* bit 2,3 - APB2-PB-L/R
* bit 4,5 - APB1-Cap-L/R
* bit 6,7 - APB2-Cap-L/R
*/
#define GBCODEC_MUTE_REG_DEFAULT 0x00
/* 0-127 steps */
#define GBCODEC_PB_VOL_REG_DEFAULT 0x00
#define GBCODEC_CAP_VOL_REG_DEFAULT 0x00
/* bit 0,1,2 - PB stereo, left, right
* bit 8,9,10 - Cap stereo, left, right
*/
#define GBCODEC_APB1_MUX_REG_DEFAULT 0x00
#define GBCODEC_APB2_MUX_REG_DEFAULT 0x00
static const u8 gbcodec_reg_defaults[GBCODEC_REG_COUNT] = {
GBCODEC_CTL_REG_DEFAULT,
GBCODEC_MUTE_REG_DEFAULT,
GBCODEC_PB_VOL_REG_DEFAULT,
GBCODEC_PB_VOL_REG_DEFAULT,
GBCODEC_CAP_VOL_REG_DEFAULT,
GBCODEC_CAP_VOL_REG_DEFAULT,
GBCODEC_APB1_MUX_REG_DEFAULT,
GBCODEC_APB2_MUX_REG_DEFAULT,
};
struct gbaudio_widget {
__u8 id;
const char *name;
struct list_head list;
};
struct gbaudio_control {
__u8 id;
char *name;
const char * const *texts;
struct list_head list;
};
struct gbaudio_dai {
__le16 data_cport;
char name[NAME_SIZE];
struct gb_connection *connection;
struct list_head list;
};
struct gbaudio_codec_info {
/* module info */
int dev_id; /* check if it should be bundle_id/hd_cport_id */
int vid;
int pid;
int slot;
int type;
int dai_added;
int codec_registered;
int set_uevent;
char vstr[NAME_SIZE];
char pstr[NAME_SIZE];
struct list_head list;
struct gb_audio_topology *topology;
/* need to share this info to above user space */
int manager_id;
char name[NAME_SIZE];
/* soc related data */
struct snd_soc_codec *codec;
struct device *dev;
u8 reg[GBCODEC_REG_COUNT];
/* dai_link related */
char card_name[NAME_SIZE];
char *dailink_name[MAX_DAIS];
int num_dai_links;
/* topology related */
struct gb_connection *mgmt_connection;
int num_dais;
int num_kcontrols;
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 *kctls;
struct snd_soc_dapm_widget *widgets;
struct snd_soc_dapm_route *routes;
struct snd_soc_dai_driver *dais;
/* codec users */
atomic_t users;
/* lists */
struct list_head dai_list;
struct list_head widget_list;
struct list_head codec_ctl_list;
struct list_head widget_ctl_list;
struct mutex lock;
};
struct gb_audio {
struct gb_connection *mgmt_connection;
size_t num_data_connections;
struct gbaudio_codec_info *gbcodec;
struct gb_connection *data_connection[0];
};
struct gbaudio_dai *gbaudio_add_dai(struct gbaudio_codec_info *gbcodec,
int data_cport,
struct gb_connection *connection,
const char *name);
int gbaudio_tplg_parse_data(struct gbaudio_codec_info *gbcodec,
struct gb_audio_topology *tplg_data);
void gbaudio_tplg_release(struct gbaudio_codec_info *gbcodec);
/* protocol related */
extern int gb_audio_gb_get_topology(struct gb_connection *connection,
struct gb_audio_topology **topology);
extern int gb_audio_gb_get_control(struct gb_connection *connection,
uint8_t control_id, uint8_t index,
struct gb_audio_ctl_elem_value *value);
extern int gb_audio_gb_set_control(struct gb_connection *connection,
uint8_t control_id, uint8_t index,
struct gb_audio_ctl_elem_value *value);
extern int gb_audio_gb_enable_widget(struct gb_connection *connection,
uint8_t widget_id);
extern int gb_audio_gb_disable_widget(struct gb_connection *connection,
uint8_t widget_id);
extern int gb_audio_gb_get_pcm(struct gb_connection *connection,
uint16_t data_cport, uint32_t *format,
uint32_t *rate, uint8_t *channels,
uint8_t *sig_bits);
extern int gb_audio_gb_set_pcm(struct gb_connection *connection,
uint16_t data_cport, uint32_t format,
uint32_t rate, uint8_t channels,
uint8_t sig_bits);
extern int gb_audio_gb_set_tx_data_size(struct gb_connection *connection,
uint16_t data_cport, uint16_t size);
extern int gb_audio_gb_get_tx_delay(struct gb_connection *connection,
uint16_t data_cport, uint32_t *delay);
extern int gb_audio_gb_activate_tx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_deactivate_tx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_set_rx_data_size(struct gb_connection *connection,
uint16_t data_cport, uint16_t size);
extern int gb_audio_gb_get_rx_delay(struct gb_connection *connection,
uint16_t data_cport, uint32_t *delay);
extern int gb_audio_gb_activate_rx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_deactivate_rx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_apbridgea_set_config(struct gb_connection *connection,
__u16 i2s_port, __u32 format,
__u32 rate, __u32 mclk_freq);
extern int gb_audio_apbridgea_register_cport(struct gb_connection *connection,
__u16 i2s_port, __u16 cportid);
extern int gb_audio_apbridgea_unregister_cport(struct gb_connection *connection,
__u16 i2s_port, __u16 cportid);
extern int gb_audio_apbridgea_set_tx_data_size(struct gb_connection *connection,
__u16 i2s_port, __u16 size);
extern int gb_audio_apbridgea_get_tx_delay(struct gb_connection *connection,
__u16 i2s_port, __u32 *delay);
extern int gb_audio_apbridgea_start_tx(struct gb_connection *connection,
__u16 i2s_port, __u64 timestamp);
extern int gb_audio_apbridgea_stop_tx(struct gb_connection *connection,
__u16 i2s_port);
extern int gb_audio_apbridgea_set_rx_data_size(struct gb_connection *connection,
__u16 i2s_port, __u16 size);
extern int gb_audio_apbridgea_get_rx_delay(struct gb_connection *connection,
__u16 i2s_port, __u32 *delay);
extern int gb_audio_apbridgea_start_rx(struct gb_connection *connection,
__u16 i2s_port);
extern int gb_audio_apbridgea_stop_rx(struct gb_connection *connection,
__u16 i2s_port);
#endif /* __LINUX_GBAUDIO_CODEC_H */
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