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#ifndef _UAPI_LSM_PARAMS_H__
#define _UAPI_LSM_PARAMS_H__
#include <linux/types.h>
#include <sound/asound.h>
#define SNDRV_LSM_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 0)
#define LSM_OUT_FORMAT_PCM (0)
#define LSM_OUT_FORMAT_ADPCM (1 << 0)
#define LSM_OUT_DATA_RAW (0)
#define LSM_OUT_DATA_PACKED (1)
#define LSM_OUT_DATA_EVENTS_DISABLED (0)
#define LSM_OUT_DATA_EVENTS_ENABLED (1)
#define LSM_OUT_TRANSFER_MODE_RT (0)
#define LSM_OUT_TRANSFER_MODE_FTRT (1)
enum lsm_app_id {
LSM_VOICE_WAKEUP_APP_ID = 1,
LSM_VOICE_WAKEUP_APP_ID_V2 = 2,
};
enum lsm_detection_mode {
LSM_MODE_KEYWORD_ONLY_DETECTION = 1,
LSM_MODE_USER_KEYWORD_DETECTION
};
enum lsm_vw_status {
LSM_VOICE_WAKEUP_STATUS_RUNNING = 1,
LSM_VOICE_WAKEUP_STATUS_DETECTED,
LSM_VOICE_WAKEUP_STATUS_END_SPEECH,
LSM_VOICE_WAKEUP_STATUS_REJECTED
};
enum LSM_PARAM_TYPE {
LSM_ENDPOINT_DETECT_THRESHOLD = 0,
LSM_OPERATION_MODE,
LSM_GAIN,
LSM_MIN_CONFIDENCE_LEVELS,
LSM_REG_SND_MODEL,
LSM_DEREG_SND_MODEL,
LSM_CUSTOM_PARAMS,
/* driver ioctl will parse only so many params */
LSM_PARAMS_MAX,
};
/*
* Data for LSM_ENDPOINT_DETECT_THRESHOLD param_type
* @epd_begin: Begin threshold
* @epd_end: End threshold
*/
struct snd_lsm_ep_det_thres {
__u32 epd_begin;
__u32 epd_end;
};
/*
* Data for LSM_OPERATION_MODE param_type
* @mode: The detection mode to be used
* @detect_failure: Setting to enable failure detections.
*/
struct snd_lsm_detect_mode {
enum lsm_detection_mode mode;
bool detect_failure;
};
/*
* Data for LSM_GAIN param_type
* @gain: The gain to be applied on LSM
*/
struct snd_lsm_gain {
__u16 gain;
};
struct snd_lsm_sound_model_v2 {
__u8 __user *data;
__u8 *confidence_level;
__u32 data_size;
enum lsm_detection_mode detection_mode;
__u8 num_confidence_levels;
bool detect_failure;
};
struct snd_lsm_session_data {
enum lsm_app_id app_id;
};
struct snd_lsm_event_status {
__u16 status;
__u16 payload_size;
__u8 payload[0];
};
struct snd_lsm_detection_params {
__u8 *conf_level;
enum lsm_detection_mode detect_mode;
__u8 num_confidence_levels;
bool detect_failure;
};
/*
* Param info for each parameter type
* @module_id: Module to which parameter is to be set
* @param_id: Parameter that is to be set
* @param_size: size (in number of bytes) for the data
* in param_data.
* For confidence levels, this is num_conf_levels
* For REG_SND_MODEL, this is size of sound model
* For CUSTOM_PARAMS, this is size of the entire blob of data
* @param_data: Data for the parameter.
* For some param_types this is a structure defined, ex: LSM_GAIN
* For CONFIDENCE_LEVELS, this is array of confidence levels
* For REG_SND_MODEL, this is the sound model data
* For CUSTOM_PARAMS, this is the blob of custom data.
*/
struct lsm_params_info {
__u32 module_id;
__u32 param_id;
__u32 param_size;
__u8 __user *param_data;
enum LSM_PARAM_TYPE param_type;
};
/*
* Data passed to the SET_PARAM_V2 IOCTL
* @num_params: Number of params that are to be set
* should not be greater than LSM_PARAMS_MAX
* @params: Points to an array of lsm_params_info
* Each entry points to one parameter to set
* @data_size: size (in bytes) for params
* should be equal to
* num_params * sizeof(struct lsm_parms_info)
*/
struct snd_lsm_module_params {
__u8 __user *params;
__u32 num_params;
__u32 data_size;
};
/*
* Data passed to LSM_OUT_FORMAT_CFG IOCTL
* @format: The media format enum
* @packing: indicates the packing method used for data path
* @events: indicates whether data path events need to be enabled
* @transfer_mode: indicates whether FTRT mode or RT mode.
*/
struct snd_lsm_output_format_cfg {
__u8 format;
__u8 packing;
__u8 events;
__u8 mode;
};
#define SNDRV_LSM_DEREG_SND_MODEL _IOW('U', 0x01, int)
#define SNDRV_LSM_EVENT_STATUS _IOW('U', 0x02, struct snd_lsm_event_status)
#define SNDRV_LSM_ABORT_EVENT _IOW('U', 0x03, int)
#define SNDRV_LSM_START _IOW('U', 0x04, int)
#define SNDRV_LSM_STOP _IOW('U', 0x05, int)
#define SNDRV_LSM_SET_SESSION_DATA _IOW('U', 0x06, struct snd_lsm_session_data)
#define SNDRV_LSM_REG_SND_MODEL_V2 _IOW('U', 0x07,\
struct snd_lsm_sound_model_v2)
#define SNDRV_LSM_LAB_CONTROL _IOW('U', 0x08, uint32_t)
#define SNDRV_LSM_STOP_LAB _IO('U', 0x09)
#define SNDRV_LSM_SET_PARAMS _IOW('U', 0x0A, \
struct snd_lsm_detection_params)
#define SNDRV_LSM_SET_MODULE_PARAMS _IOW('U', 0x0B, \
struct snd_lsm_module_params)
#define SNDRV_LSM_OUT_FORMAT_CFG _IOW('U', 0x0C, \
struct snd_lsm_output_format_cfg)
#endif
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