| /* |
| * 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; |
| |
| /* 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 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 */ |