[linux-block.git] / include / linux / wkup_m3_ipc.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * TI Wakeup M3 for AMx3 SoCs Power Management Routines
 *
 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
 * Dave Gerlach <d-gerlach@ti.com>
 */

#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 vtt_conf;
	int isolation_conf;
	int state;
	u32 halt;

	unsigned long volt_scale_offsets;
	const char *sd_fw_name;

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

	struct wkup_m3_ipc_ops *ops;
	int is_rtc_only;
	struct dentry *dbg_path;
};

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

struct wkup_m3_scale_data_header {
	u16 magic;
	u8 sleep_offset;
	u8 wake_offset;
} __packed;

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
2aec85b2	1	/* SPDX-License-Identifier: GPL-2.0-only */
cdd5de50 DG	2	/*
	3	* TI Wakeup M3 for AMx3 SoCs Power Management Routines
	4	*
7f317d34	5	* Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
cdd5de50	6	* Dave Gerlach <d-gerlach@ti.com>
cdd5de50 DG	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;
f2260414	28	int vtt_conf;
1dcbae86	29	int isolation_conf;
cdd5de50	30	int state;
2a21f9e6	31	u32 halt;
cdd5de50	32
ea082040 DG	33	unsigned long volt_scale_offsets;
	34	const char *sd_fw_name;
	35
cdd5de50 DG	36	struct completion sync_complete;
	37	struct mbox_client mbox_client;
	38	struct mbox_chan *mbox;
	39
	40	struct wkup_m3_ipc_ops *ops;
7a872b6f	41	int is_rtc_only;
2a21f9e6	42	struct dentry *dbg_path;
cdd5de50 DG	43	};
cdd5de50 DG	44
ec93b62f DG	45	struct wkup_m3_wakeup_src {
	46	int irq_nr;
	47	char src[10];
	48	};
	49
ea082040 DG	50	struct wkup_m3_scale_data_header {
	51	u16 magic;
	52	u8 sleep_offset;
	53	u8 wake_offset;
	54	} __packed;
	55
cdd5de50 DG	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);
ec93b62f	62	const char (request_wake_src)(struct wkup_m3_ipc *m3_ipc);
7a872b6f	63	void (set_rtc_only)(struct wkup_m3_ipc m3_ipc);
cdd5de50 DG	64	};
	65
	66	struct wkup_m3_ipc *wkup_m3_ipc_get(void);
	67	void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
7a872b6f	68	void wkup_m3_set_rtc_only_mode(void);
cdd5de50	69	#endif /* _LINUX_WKUP_M3_IPC_H */