summaryrefslogtreecommitdiffstats
path: root/include/linux/wkup_m3_ipc.h
blob: 26d1eb058fa30b0cdafeee9d10c5c1eef8749f42 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/*
 * 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>
 *
 * 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 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 */