feat(scmi): add scmi sensor support
LF-4715-1 drivers: scmi-msg: add sensor support
Add scmi sensor support
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I810e270b138bf5486b32df121056bfa5103c129f
diff --git a/drivers/scmi-msg/sensor.h b/drivers/scmi-msg/sensor.h
new file mode 100644
index 0000000..28cbb1e
--- /dev/null
+++ b/drivers/scmi-msg/sensor.h
@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright 2023-2024 NXP
+ */
+
+#ifndef SCMI_MSG_SENSOR_H
+#define SCMI_MSG_SENSOR_H
+
+#include <stdint.h>
+
+#include <lib/utils_def.h>
+
+#define SCMI_PROTOCOL_VERSION_SENSOR 0x20000U
+
+/*
+ * Identifiers of the SCMI SENSOR Protocol commands
+ */
+enum scmi_sensor_command_id {
+ SCMI_SENSOR_DESCRIPTION_GET = 0x003,
+ SCMI_SENSOR_TRIP_POINT_NOTIFY = 0x004,
+ SCMI_SENSOR_TRIP_POINT_CONFIG = 0x005,
+ SCMI_SENSOR_READING_GET = 0x006,
+ SCMI_SENSOR_AXIS_DESCRIPTION_GET = 0x007,
+ SCMI_SENSOR_LIST_UPDATE_INTERVALS = 0x008,
+ SCMI_SENSOR_CONFIG_GET = 0x009,
+ SCMI_SENSOR_CONFIG_SET = 0x00A,
+ SCMI_SENSOR_CONTINUOUS_UPDATE_NOTIFY = 0x00B,
+ SCMI_SENSOR_MAX = 0x00C,
+};
+
+/* Protocol attributes */
+struct scmi_protocol_attributes_p2a_sensor {
+ int32_t status;
+ int16_t num_sensors;
+ uint8_t max_reqs;
+ uint8_t res;
+ uint32_t sensor_reg_low;
+ uint32_t sensor_reg_high;
+ uint32_t sensor_reg_len;
+};
+
+#define SCMI_SENSOR_NAME_LENGTH_MAX 16U
+
+struct scmi_sensor_desc {
+ uint32_t id;
+ uint32_t attr_low;
+ uint32_t attr_high;
+ uint8_t name[SCMI_SENSOR_NAME_LENGTH_MAX];
+ uint32_t power;
+ uint32_t resolution;
+ int32_t min_range_low;
+ int32_t min_range_high;
+ int32_t max_range_low;
+ int32_t max_range_high;
+};
+
+struct scmi_sensor_description_get_a2p {
+ uint32_t desc_index;
+};
+
+struct scmi_sensor_description_get_p2a {
+ int32_t status;
+ uint32_t num_sensor_flags;
+};
+
+struct scmi_sensor_config_get_a2p {
+ uint32_t sensor_id;
+};
+
+struct scmi_sensor_config_get_p2a {
+ int32_t status;
+ uint32_t sensor_config;
+};
+
+/*
+ * Sensor Reading Get
+ */
+struct scmi_sensor_reading_get_a2p {
+ uint32_t sensor_id;
+ uint32_t flags;
+};
+
+struct scmi_sensor_val {
+ uint32_t value_low;
+ uint32_t value_high;
+ uint32_t timestap_low;
+ uint32_t timestap_high;
+};
+
+struct scmi_sensor_reading_get_p2a {
+ int32_t status;
+ struct scmi_sensor_val val;
+};
+
+typedef struct {
+ uint16_t (*sensor_count)(unsigned int agent_id);
+ uint8_t (*sensor_max_request)(unsigned int agent_id);
+ uint32_t (*get_sensor_req)(unsigned int agent_id, unsigned int *addr);
+ int32_t (*sensor_reading_get)(uint32_t agent_id, uint16_t sensor_id,
+ uint32_t *val);
+ uint32_t (*sensor_description_get)(unsigned int agent_id, uint16_t sensor_id,
+ struct scmi_sensor_desc *desc);
+ uint32_t (*sensor_update_interval)(uint32_t agent_id, uint16_t sensor_id);
+ uint32_t (*sensor_state)(uint32_t agent_id, uint16_t sensor_id);
+ uint16_t (*sensor_timestamped)(uint32_t agent_id, uint16_t sensor_id);
+} plat_scmi_sensor_ops_t;
+
+#define REGISTER_SCMI_SENSOR_OPS(_sensor_count, _sensor_max_request, \
+ _get_sensor_req, _sensor_reading_get, \
+ _sensor_description_get, _sensor_update_interval, \
+ _sensor_state, _sensor_timestamped) \
+ const plat_scmi_sensor_ops_t sensor_ops = { \
+ .sensor_count = _sensor_count, \
+ .sensor_max_request = _sensor_max_request, \
+ .get_sensor_req = _get_sensor_req, \
+ .sensor_reading_get = _sensor_reading_get, \
+ .sensor_description_get = _sensor_description_get, \
+ .sensor_update_interval = _sensor_update_interval, \
+ .sensor_state = _sensor_state, \
+ .sensor_timestamped = _sensor_timestamped, \
+ }
+
+extern const plat_scmi_sensor_ops_t sensor_ops;
+
+#endif /* SCMI_MSG_SENSOR_H */