1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * TI Wakeup M3 for AMx3 SoCs Power Management Routines 4 * 5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ 6 * Dave Gerlach <d-gerlach@ti.com> 7 */ 8 9 #ifndef _LINUX_WKUP_M3_IPC_H 10 #define _LINUX_WKUP_M3_IPC_H 11 12 #define WKUP_M3_DEEPSLEEP 1 13 #define WKUP_M3_STANDBY 2 14 #define WKUP_M3_IDLE 3 15 16 #include <linux/mailbox_client.h> 17 18 struct wkup_m3_ipc_ops; 19 20 struct wkup_m3_ipc { 21 struct rproc *rproc; 22 23 void __iomem *ipc_mem_base; 24 struct device *dev; 25 26 int mem_type; 27 unsigned long resume_addr; 28 int vtt_conf; 29 int isolation_conf; 30 int state; 31 u32 halt; 32 33 unsigned long volt_scale_offsets; 34 const char *sd_fw_name; 35 36 struct completion sync_complete; 37 struct mbox_client mbox_client; 38 struct mbox_chan *mbox; 39 40 struct wkup_m3_ipc_ops *ops; 41 int is_rtc_only; 42 struct dentry *dbg_path; 43 }; 44 45 struct wkup_m3_wakeup_src { 46 int irq_nr; 47 char src[10]; 48 }; 49 50 struct wkup_m3_scale_data_header { 51 u16 magic; 52 u8 sleep_offset; 53 u8 wake_offset; 54 } __packed; 55 56 struct wkup_m3_ipc_ops { 57 void (*set_mem_type)(struct wkup_m3_ipc *m3_ipc, int mem_type); 58 void (*set_resume_address)(struct wkup_m3_ipc *m3_ipc, void *addr); 59 int (*prepare_low_power)(struct wkup_m3_ipc *m3_ipc, int state); 60 int (*finish_low_power)(struct wkup_m3_ipc *m3_ipc); 61 int (*request_pm_status)(struct wkup_m3_ipc *m3_ipc); 62 const char *(*request_wake_src)(struct wkup_m3_ipc *m3_ipc); 63 void (*set_rtc_only)(struct wkup_m3_ipc *m3_ipc); 64 }; 65 66 struct wkup_m3_ipc *wkup_m3_ipc_get(void); 67 void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc); 68 void wkup_m3_set_rtc_only_mode(void); 69 #endif /* _LINUX_WKUP_M3_IPC_H */ 70
