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
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	int is_rtc_only;
 
44};
45
46struct wkup_m3_wakeup_src {
47	int irq_nr;
48	char src[10];
49};
 
 
 
 
 
 
50
51struct 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
61struct wkup_m3_ipc *wkup_m3_ipc_get(void);
62void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
63void wkup_m3_set_rtc_only_mode(void);
64#endif /* _LINUX_WKUP_M3_IPC_H */

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * TI Wakeup M3 for AMx3 SoCs Power Management Routines
 4 *
 5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
 6 * Dave Gerlach <d-gerlach@ti.com>
 
 
 
 
 
 
 
 
 
 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
18struct wkup_m3_ipc_ops;
19
20struct 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;
28	int vtt_conf;
29	int isolation_conf;
30	int state;
31	u32 halt;
32
33	unsigned long volt_scale_offsets;
34	const char *sd_fw_name;
35
36	struct completion sync_complete;
37	struct mbox_client mbox_client;
38	struct mbox_chan *mbox;
39
40	struct wkup_m3_ipc_ops *ops;
41	int is_rtc_only;
42	struct dentry *dbg_path;
43};
44
45struct wkup_m3_wakeup_src {
46	int irq_nr;
47	char src[10];
48};
49
50struct wkup_m3_scale_data_header {
51	u16 magic;
52	u8 sleep_offset;
53	u8 wake_offset;
54} __packed;
55
56struct 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);
62	const char *(*request_wake_src)(struct wkup_m3_ipc *m3_ipc);
63	void (*set_rtc_only)(struct wkup_m3_ipc *m3_ipc);
64};
65
66struct wkup_m3_ipc *wkup_m3_ipc_get(void);
67void wkup_m3_ipc_put(struct wkup_m3_ipc *m3_ipc);
68void wkup_m3_set_rtc_only_mode(void);
69#endif /* _LINUX_WKUP_M3_IPC_H */