include/linux/scmi_imx_protocol.h

Source file repositories/reference/linux-study-clean/include/linux/scmi_imx_protocol.h

File Facts

System
Linux kernel
Corpus path
include/linux/scmi_imx_protocol.h
Extension
.h
Size
3250 bytes
Lines
119
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct scmi_imx_bbm_proto_ops {
	int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id,
			    uint64_t sec);
	int (*rtc_time_get)(const struct scmi_protocol_handle *ph, u32 id,
			    u64 *val);
	int (*rtc_alarm_set)(const struct scmi_protocol_handle *ph, u32 id,
			     bool enable, u64 sec);
	int (*button_get)(const struct scmi_protocol_handle *ph, u32 *state);
};

enum scmi_nxp_notification_events {
	SCMI_EVENT_IMX_BBM_RTC = 0x0,
	SCMI_EVENT_IMX_BBM_BUTTON = 0x1,
	SCMI_EVENT_IMX_MISC_CONTROL = 0x0,
};

struct scmi_imx_bbm_notif_report {
	bool			is_rtc;
	bool			is_button;
	ktime_t			timestamp;
	unsigned int		rtc_id;
	unsigned int		rtc_evt;
};

struct scmi_imx_misc_ctrl_notify_report {
	ktime_t			timestamp;
	unsigned int		ctrl_id;
	unsigned int		flags;
};


#define MISC_EXT_INFO_LEN_MAX	4
struct scmi_imx_misc_reset_reason {
	bool valid:1;
	bool orig_valid:1;
	bool err_valid:1;
	u32 reason;
	u32 origin;
	u32 errid;
};

struct scmi_imx_misc_proto_ops {
	int (*misc_ctrl_set)(const struct scmi_protocol_handle *ph, u32 id,
			     u32 num, u32 *val);
	int (*misc_ctrl_get)(const struct scmi_protocol_handle *ph, u32 id,
			     u32 *num, u32 *val);
	int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph,
				    u32 ctrl_id, u32 evt_id, u32 flags);
	int (*misc_syslog)(const struct scmi_protocol_handle *ph, u16 *size,
			   void *array);
	int (*misc_reset_reason)(const struct scmi_protocol_handle *ph,
				 bool system, struct scmi_imx_misc_reset_reason *boot_r,
				 struct scmi_imx_misc_reset_reason *shut_r, u32 *extinfo);
};

/* See LMM_ATTRIBUTES in imx95.rst */
#define	LMM_ID_DISCOVER	0xFFFFFFFFU
#define	LMM_MAX_NAME	16

enum scmi_imx_lmm_state {
	LMM_STATE_LM_OFF,
	LMM_STATE_LM_ON,
	LMM_STATE_LM_SUSPEND,
	LMM_STATE_LM_POWERED,
};

struct scmi_imx_lmm_info {
	u32 lmid;
	enum scmi_imx_lmm_state state;
	u32 errstatus;
	u8 name[LMM_MAX_NAME];
};

struct scmi_imx_lmm_proto_ops {
	int (*lmm_power_boot)(const struct scmi_protocol_handle *ph, u32 lmid,
			      bool boot);
	int (*lmm_info)(const struct scmi_protocol_handle *ph, u32 lmid,
			struct scmi_imx_lmm_info *info);
	int (*lmm_reset_vector_set)(const struct scmi_protocol_handle *ph,
				    u32 lmid, u32 cpuid, u32 flags, u64 vector);
	int (*lmm_shutdown)(const struct scmi_protocol_handle *ph, u32 lmid,
			    u32 flags);
};

struct scmi_imx_cpu_proto_ops {
	int (*cpu_reset_vector_set)(const struct scmi_protocol_handle *ph,
				    u32 cpuid, u64 vector, bool start,
				    bool boot, bool resume);
	int (*cpu_start)(const struct scmi_protocol_handle *ph, u32 cpuid,
			 bool start);

Annotation

Implementation Notes