1 #ifndef _LSM_PARAMS_H__
2 #define _LSM_PARAMS_H__
3 
4 #define LSM_POLLING_ENABLE_SUPPORT
5 #define LSM_EVENT_TIMESTAMP_MODE_SUPPORT
6 
7 #include <linux/types.h>
8 #include <sound/asound.h>
9 
10 #define SNDRV_LSM_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 0)
11 
12 #define LSM_OUT_FORMAT_PCM (0)
13 #define LSM_OUT_FORMAT_ADPCM (1 << 0)
14 
15 #define LSM_OUT_DATA_RAW (0)
16 #define LSM_OUT_DATA_PACKED (1)
17 
18 #define LSM_OUT_DATA_EVENTS_DISABLED (0)
19 #define LSM_OUT_DATA_EVENTS_ENABLED (1)
20 
21 #define LSM_OUT_TRANSFER_MODE_RT (0)
22 #define LSM_OUT_TRANSFER_MODE_FTRT (1)
23 
24 #define LSM_ENDPOINT_DETECT_THRESHOLD (0)
25 #define LSM_OPERATION_MODE (1)
26 #define LSM_GAIN (2)
27 #define LSM_MIN_CONFIDENCE_LEVELS (3)
28 #define LSM_REG_SND_MODEL (4)
29 #define LSM_DEREG_SND_MODEL (5)
30 #define LSM_CUSTOM_PARAMS (6)
31 #define LSM_POLLING_ENABLE (7)
32 #define LSM_PARAMS_MAX (LSM_POLLING_ENABLE + 1)
33 
34 #define LSM_EVENT_NON_TIME_STAMP_MODE (0)
35 #define LSM_EVENT_TIME_STAMP_MODE (1)
36 
37 enum lsm_app_id {
38 	LSM_VOICE_WAKEUP_APP_ID = 1,
39 	LSM_VOICE_WAKEUP_APP_ID_V2 = 2,
40 };
41 
42 enum lsm_detection_mode {
43 	LSM_MODE_KEYWORD_ONLY_DETECTION = 1,
44 	LSM_MODE_USER_KEYWORD_DETECTION
45 };
46 
47 enum lsm_vw_status {
48 	LSM_VOICE_WAKEUP_STATUS_RUNNING = 1,
49 	LSM_VOICE_WAKEUP_STATUS_DETECTED,
50 	LSM_VOICE_WAKEUP_STATUS_END_SPEECH,
51 	LSM_VOICE_WAKEUP_STATUS_REJECTED
52 };
53 
54 /*
55  * Data for LSM_ENDPOINT_DETECT_THRESHOLD param_type
56  * @epd_begin: Begin threshold
57  * @epd_end: End threshold
58  */
59 struct snd_lsm_ep_det_thres {
60 	__u32 epd_begin;
61 	__u32 epd_end;
62 };
63 
64 /*
65  * Data for LSM_OPERATION_MODE param_type
66  * @mode: The detection mode to be used
67  * @detect_failure: Setting to enable failure detections.
68  */
69 struct snd_lsm_detect_mode {
70 	enum lsm_detection_mode mode;
71 	bool detect_failure;
72 };
73 
74 /*
75  * Data for LSM_GAIN param_type
76  * @gain: The gain to be applied on LSM
77  */
78 struct snd_lsm_gain {
79 	__u16 gain;
80 };
81 
82 /*
83  * Data for LSM_POLLING_ENABLE param_type
84  * @poll_en: Polling enable or disable
85  */
86 struct snd_lsm_poll_enable {
87 	bool poll_en;
88 };
89 
90 
91 struct snd_lsm_sound_model_v2 {
92 	__u8 *data;
93 	__u8 *confidence_level;
94 	__u32 data_size;
95 	enum lsm_detection_mode detection_mode;
96 	__u8 num_confidence_levels;
97 	bool detect_failure;
98 };
99 
100 struct snd_lsm_session_data {
101 	enum lsm_app_id app_id;
102 };
103 
104 struct snd_lsm_event_status {
105 	__u16 status;
106 	__u16 payload_size;
107 	__u8 payload[0];
108 };
109 
110 struct snd_lsm_event_status_v3 {
111 	__u32 timestamp_lsw;
112 	__u32 timestamp_msw;
113 	__u16 status;
114 	__u16 payload_size;
115 	__u8 payload[0];
116 };
117 
118 struct snd_lsm_detection_params {
119 	__u8 *conf_level;
120 	enum lsm_detection_mode detect_mode;
121 	__u8 num_confidence_levels;
122 	bool detect_failure;
123 	bool poll_enable;
124 };
125 
126 /*
127  * Param info for each parameter type
128  * @module_id: Module to which parameter is to be set
129  * @param_id: Parameter that is to be set
130  * @param_size: size (in number of bytes) for the data
131  *		in param_data.
132  *		For confidence levels, this is num_conf_levels
133  *		For REG_SND_MODEL, this is size of sound model
134  *		For CUSTOM_PARAMS, this is size of the entire blob of data
135  * @param_data: Data for the parameter.
136  *		For some param_types this is a structure defined, ex: LSM_GAIN
137  *		For CONFIDENCE_LEVELS, this is array of confidence levels
138  *		For REG_SND_MODEL, this is the sound model data
139  *		For CUSTOM_PARAMS, this is the blob of custom data.
140  */
141 struct lsm_params_info {
142 	__u32 module_id;
143 	__u32 param_id;
144 	__u32 param_size;
145 	__u8 *param_data;
146 	uint32_t param_type;
147 };
148 
149 /*
150  * Data passed to the SET_PARAM_V2 IOCTL
151  * @num_params: Number of params that are to be set
152  *		should not be greater than LSM_PARAMS_MAX
153  * @params: Points to an array of lsm_params_info
154  *	    Each entry points to one parameter to set
155  * @data_size: size (in bytes) for params
156  *	       should be equal to
157  *	       num_params * sizeof(struct lsm_parms_info)
158  */
159 struct snd_lsm_module_params {
160 	__u8 *params;
161 	__u32 num_params;
162 	__u32 data_size;
163 };
164 
165 /*
166  * Data passed to LSM_OUT_FORMAT_CFG IOCTL
167  * @format: The media format enum
168  * @packing: indicates the packing method used for data path
169  * @events: indicates whether data path events need to be enabled
170  * @transfer_mode: indicates whether FTRT mode or RT mode.
171  */
172 struct snd_lsm_output_format_cfg {
173 	__u8 format;
174 	__u8 packing;
175 	__u8 events;
176 	__u8 mode;
177 };
178 
179 #define SNDRV_LSM_DEREG_SND_MODEL _IOW('U', 0x01, int)
180 #define SNDRV_LSM_EVENT_STATUS	_IOW('U', 0x02, struct snd_lsm_event_status)
181 #define SNDRV_LSM_ABORT_EVENT	_IOW('U', 0x03, int)
182 #define SNDRV_LSM_START		_IOW('U', 0x04, int)
183 #define SNDRV_LSM_STOP		_IOW('U', 0x05, int)
184 #define SNDRV_LSM_SET_SESSION_DATA _IOW('U', 0x06, struct snd_lsm_session_data)
185 #define SNDRV_LSM_REG_SND_MODEL_V2 _IOW('U', 0x07,\
186 					struct snd_lsm_sound_model_v2)
187 #define SNDRV_LSM_LAB_CONTROL	_IOW('U', 0x08, uint32_t)
188 #define SNDRV_LSM_STOP_LAB	_IO('U', 0x09)
189 #define SNDRV_LSM_SET_PARAMS	_IOW('U', 0x0A, \
190 					struct snd_lsm_detection_params)
191 #define SNDRV_LSM_SET_MODULE_PARAMS	_IOW('U', 0x0B, \
192 					struct snd_lsm_module_params)
193 #define SNDRV_LSM_OUT_FORMAT_CFG _IOW('U', 0x0C, \
194 				      struct snd_lsm_output_format_cfg)
195 #define SNDRV_LSM_SET_PORT	_IO('U', 0x0D)
196 #define SNDRV_LSM_SET_FWK_MODE_CONFIG	_IOW('U', 0x0E, uint32_t)
197 #define SNDRV_LSM_EVENT_STATUS_V3	_IOW('U', 0x0F, \
198 					struct snd_lsm_event_status_v3)
199 
200 #endif
201