1 /* 2 * TI Wakeup M3 for AMx3 SoCs Power Management Routines 3 * 4 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ 5 * Dave Gerlach <d-gerlach@ti.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation version 2. 10 * 11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 12 * kind, whether express or implied; without even the implied warranty 13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #ifndef _LINUX_WKUP_M3_IPC_H 18 #define _LINUX_WKUP_M3_IPC_H 19 20 #define WKUP_M3_DEEPSLEEP 1 21 #define WKUP_M3_STANDBY 2 22 #define WKUP_M3_IDLE 3 23 24 #include <linux/mailbox_client.h> 25 26 struct wkup_m3_ipc_ops; 27 28 struct wkup_m3_ipc { 29 struct rproc *rproc; 30 31 void __iomem *ipc_mem_base; 32 struct device *dev; 33 34 int mem_type; 35 unsigned long resume_addr; 36 int state; 37 38 struct completion sync_complete; 39 struct mbox_client mbox_client; 40 struct mbox_chan *mbox; 41 42 struct wkup_m3_ipc_ops *ops; 43 int is_rtc_only; 44 }; 45 46 struct wkup_m3_wakeup_src { 47 int irq_nr; 48 char src[10]; 49 }; 50 51 struct wkup_m3_ipc_ops { 52 void (*set_mem_type)(struct wkup_m3_ipc *m3_ipc, int mem_type); 53 void (*set_resume_address)(struct wkup_m3_ipc *m3_ipc, void *addr); 54 int (*prepare_low_power)(struct wkup_m3_ipc *m3_ipc, int state); 55 int (*finish_low_power)(struct wkup_m3_ipc *m3_ipc); 56 int (*request_pm_status)(struct wkup_m3_ipc *m3_ipc); 57 const char *(*request_wake_src)(struct wkup_m3_ipc *m3_ipc); 58 void (*set_rtc_only)(struct wkup_m3_ipc *m3_ipc); 59 }; 60 61 struct wkup_m3_ipc *wkup_m3_ipc_get(void); 62 void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc); 63 void wkup_m3_set_rtc_only_mode(void); 64 #endif /* _LINUX_WKUP_M3_IPC_H */ 65