uapi: lsm_params: add support for ADSP multi stage VA

Enhance APIs to get instance id and stage info from userspace,
required for multi-stage Voice Activation in ADSP.

Change-Id: I82703c63214925173f3f978339188ccddff8ba91
Signed-off-by: Dhananjay Kumar <dhakumar@codeaurora.org>

include/uapi/sound/lsm_params.h

@@ -7,7 +7,10 @@
 #include <linux/types.h>
 #include <sound/asound.h>
 
-#define SNDRV_LSM_VERSION SNDRV_PROTOCOL_VERSION(0, 3, 0)
+#define SNDRV_LSM_VERSION SNDRV_PROTOCOL_VERSION(0, 3, 1)
+
+#define LSM_MAX_STAGES_PER_SESSION 2
+#define LSM_STAGE_INDEX_FIRST 0
 
 #define LSM_OUT_FORMAT_PCM (0)
 #define LSM_OUT_FORMAT_ADPCM (1 << 0)
@@ -30,7 +33,8 @@
 #define LSM_CUSTOM_PARAMS (6)
 #define LSM_POLLING_ENABLE (7)
 #define LSM_DET_EVENT_TYPE (8)
-#define LSM_PARAMS_MAX (LSM_DET_EVENT_TYPE + 1)
+#define LSM_LAB_CONTROL (9)
+#define LSM_PARAMS_MAX (LSM_LAB_CONTROL + 1)
 
 #define LSM_EVENT_NON_TIME_STAMP_MODE (0)
 #define LSM_EVENT_TIME_STAMP_MODE (1)
@@ -126,6 +130,36 @@ struct snd_lsm_session_data {
 	enum lsm_app_id app_id;
 };
 
+/*
+ * Stage info for multi-stage session
+ * @app_type: acdb app_type to be used to map topology/cal for the stage
+ * @lpi_enable: low power island mode applicable for the stage
+ */
+struct snd_lsm_stage_info {
+	__u32 app_type;
+	__u32 lpi_enable;
+};
+
+/*
+ * Session info for multi-stage session
+ * @app_id: VoiceWakeup engine id, this is now used to just validate input arg
+ * @num_stages: number of detection stages to be used
+ * @stage_info: stage info for each of the stage being used, ordered by index
+ */
+struct snd_lsm_session_data_v2 {
+	enum lsm_app_id app_id;
+	__u32 num_stages;
+	struct snd_lsm_stage_info stage_info[LSM_MAX_STAGES_PER_SESSION];
+};
+
+/*
+ * Data for LSM_LAB_CONTROL param_type
+ * @enable: lab enable or disable
+ */
+struct snd_lsm_lab_control {
+	__u32 enable;
+};
+
 struct snd_lsm_event_status {
 	__u16 status;
 	__u16 payload_size;
@@ -162,6 +196,7 @@ struct snd_lsm_detection_params {
  *		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.
+ * @param_type: Parameter type as defined in values upto LSM_PARAMS_MAX
  */
 struct lsm_params_info {
 	__u32 module_id;
@@ -171,6 +206,38 @@ struct lsm_params_info {
 	uint32_t param_type;
 };
 
+/*
+ * Param info(version 2) for each parameter type
+ *
+ * Existing member variables:
+ * @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.
+ * @param_type: Parameter type as defined in values upto LSM_PARAMS_MAX
+ *
+ * Member variables applicable only to V2:
+ * @instance_id: instance id of the param to which parameter is to be set
+ * @stage_idx: detection stage for which the param is applicable
+ */
+struct lsm_params_info_v2 {
+	__u32 module_id;
+	__u32 param_id;
+	__u32 param_size;
+	__u8 __user *param_data;
+	uint32_t param_type;
+	__u16 instance_id;
+	__u16 stage_idx;
+};
+
 /*
  * Data passed to the SET_PARAM_V2 IOCTL
  * @num_params: Number of params that are to be set
@@ -240,5 +307,9 @@ struct snd_lsm_input_hw_params {
 #define SNDRV_LSM_GENERIC_DET_EVENT	_IOW('U', 0x10, struct snd_lsm_event_status)
 #define SNDRV_LSM_SET_INPUT_HW_PARAMS	_IOW('U', 0x11,	\
 					     struct snd_lsm_input_hw_params)
+#define SNDRV_LSM_SET_SESSION_DATA_V2 _IOW('U', 0x12, \
+					struct snd_lsm_session_data_v2)
+#define SNDRV_LSM_SET_MODULE_PARAMS_V2 _IOW('U', 0x13, \
+					struct snd_lsm_module_params)
 
 #endif