1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * SCMI Message Protocol driver NXP extension header 4 * 5 * Copyright 2024 NXP. 6 */ 7 8 #ifndef _LINUX_SCMI_NXP_PROTOCOL_H 9 #define _LINUX_SCMI_NXP_PROTOCOL_H 10 11 #include <linux/bitfield.h> 12 #include <linux/device.h> 13 #include <linux/notifier.h> 14 #include <linux/types.h> 15 16 #define SCMI_PROTOCOL_IMX_BBM 0x81 17 #define SCMI_PROTOCOL_IMX_MISC 0x84 18 19 #define SCMI_IMX_VENDOR "NXP" 20 #define SCMI_IMX_SUBVENDOR "IMX" 21 22 struct scmi_imx_bbm_proto_ops { 23 int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id, 24 uint64_t sec); 25 int (*rtc_time_get)(const struct scmi_protocol_handle *ph, u32 id, 26 u64 *val); 27 int (*rtc_alarm_set)(const struct scmi_protocol_handle *ph, u32 id, 28 bool enable, u64 sec); 29 int (*button_get)(const struct scmi_protocol_handle *ph, u32 *state); 30 }; 31 32 enum scmi_nxp_notification_events { 33 SCMI_EVENT_IMX_BBM_RTC = 0x0, 34 SCMI_EVENT_IMX_BBM_BUTTON = 0x1, 35 SCMI_EVENT_IMX_MISC_CONTROL = 0x0, 36 }; 37 38 struct scmi_imx_bbm_notif_report { 39 bool is_rtc; 40 bool is_button; 41 ktime_t timestamp; 42 unsigned int rtc_id; 43 unsigned int rtc_evt; 44 }; 45 46 struct scmi_imx_misc_ctrl_notify_report { 47 ktime_t timestamp; 48 unsigned int ctrl_id; 49 unsigned int flags; 50 }; 51 52 struct scmi_imx_misc_proto_ops { 53 int (*misc_ctrl_set)(const struct scmi_protocol_handle *ph, u32 id, 54 u32 num, u32 *val); 55 int (*misc_ctrl_get)(const struct scmi_protocol_handle *ph, u32 id, 56 u32 *num, u32 *val); 57 int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph, 58 u32 ctrl_id, u32 evt_id, u32 flags); 59 }; 60 #endif 61