[thirdparty/kernel/stable.git] / include / linux / wkup_m3_ipc.h

/*
 * TI Wakeup M3 for AMx3 SoCs Power Management Routines
 *
 * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
 * Dave Gerlach <d-gerlach@ti.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef _LINUX_WKUP_M3_IPC_H
#define _LINUX_WKUP_M3_IPC_H

#define WKUP_M3_DEEPSLEEP	1
#define WKUP_M3_STANDBY		2
#define WKUP_M3_IDLE		3

#include <linux/mailbox_client.h>

struct wkup_m3_ipc_ops;

struct wkup_m3_ipc {
	struct rproc *rproc;

	void __iomem *ipc_mem_base;
	struct device *dev;

	int mem_type;
	unsigned long resume_addr;
	int state;

	struct completion sync_complete;
	struct mbox_client mbox_client;
	struct mbox_chan *mbox;

	struct wkup_m3_ipc_ops *ops;
	int is_rtc_only;
};

struct wkup_m3_wakeup_src {
	int irq_nr;
	char src[10];
};

struct wkup_m3_ipc_ops {
	void (*set_mem_type)(struct wkup_m3_ipc *m3_ipc, int mem_type);
	void (*set_resume_address)(struct wkup_m3_ipc *m3_ipc, void *addr);
	int (*prepare_low_power)(struct wkup_m3_ipc *m3_ipc, int state);
	int (*finish_low_power)(struct wkup_m3_ipc *m3_ipc);
	int (*request_pm_status)(struct wkup_m3_ipc *m3_ipc);
	const char *(*request_wake_src)(struct wkup_m3_ipc *m3_ipc);
	void (*set_rtc_only)(struct wkup_m3_ipc *m3_ipc);
};

struct wkup_m3_ipc *wkup_m3_ipc_get(void);
void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
void wkup_m3_set_rtc_only_mode(void);
#endif /* _LINUX_WKUP_M3_IPC_H */
Commit	Line	Data
cdd5de50 DG	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
	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;
7a872b6f	43	int is_rtc_only;
cdd5de50 DG	44	};
cdd5de50 DG	45
ec93b62f DG	46	struct wkup_m3_wakeup_src {
	47	int irq_nr;
	48	char src[10];
	49	};
	50
cdd5de50 DG	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);
ec93b62f	57	const char (request_wake_src)(struct wkup_m3_ipc *m3_ipc);
7a872b6f	58	void (set_rtc_only)(struct wkup_m3_ipc m3_ipc);
cdd5de50 DG	59	};
	60
	61	struct wkup_m3_ipc *wkup_m3_ipc_get(void);
	62	void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
7a872b6f	63	void wkup_m3_set_rtc_only_mode(void);
cdd5de50	64	#endif /* _LINUX_WKUP_M3_IPC_H */