mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-02-28 19:06:51 +01:00
4fa62e80c7
MISC protocol supports getting system log regarding system sleep latency, wakeup interrupt and etc. Add the API for user to retrieve the information from SM. Signed-off-by: Peng Fan <peng.fan@nxp.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* SCMI Message Protocol driver NXP extension header
|
|
*
|
|
* Copyright 2024 NXP.
|
|
*/
|
|
|
|
#ifndef _LINUX_SCMI_NXP_PROTOCOL_H
|
|
#define _LINUX_SCMI_NXP_PROTOCOL_H
|
|
|
|
#include <linux/bitfield.h>
|
|
#include <linux/device.h>
|
|
#include <linux/notifier.h>
|
|
#include <linux/scmi_protocol.h>
|
|
#include <linux/types.h>
|
|
|
|
#define SCMI_PROTOCOL_IMX_LMM 0x80
|
|
#define SCMI_PROTOCOL_IMX_BBM 0x81
|
|
#define SCMI_PROTOCOL_IMX_CPU 0x82
|
|
#define SCMI_PROTOCOL_IMX_MISC 0x84
|
|
|
|
#define SCMI_IMX_VENDOR "NXP"
|
|
#define SCMI_IMX_SUBVENDOR "IMX"
|
|
|
|
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;
|
|
};
|
|
|
|
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);
|
|
};
|
|
|
|
/* 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);
|
|
int (*cpu_started)(const struct scmi_protocol_handle *ph, u32 cpuid,
|
|
bool *started);
|
|
};
|
|
#endif
|