LXR linux/include/linux/wkup_m3

   1/*
   2 * TI Wakeup M3 for AMx3 SoCs Power Management Routines
   3 *
   4 * Copyright (C) 2015 Texas Instruments Incorporated - http://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
  26struct wkup_m3_ipc_ops;
  27
  28struct 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};
  44
  45struct wkup_m3_ipc_ops {
  46        void (*set_mem_type)(struct wkup_m3_ipc *m3_ipc, int mem_type);
  47        void (*set_resume_address)(struct wkup_m3_ipc *m3_ipc, void *addr);
  48        int (*prepare_low_power)(struct wkup_m3_ipc *m3_ipc, int state);
  49        int (*finish_low_power)(struct wkup_m3_ipc *m3_ipc);
  50        int (*request_pm_status)(struct wkup_m3_ipc *m3_ipc);
  51};
  52
  53struct wkup_m3_ipc *wkup_m3_ipc_get(void);
  54void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
  55#endif /* _LINUX_WKUP_M3_IPC_H */
  56