1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _ASM_SH_SUSPEND_H
3 #define _ASM_SH_SUSPEND_H
4
5 #ifndef __ASSEMBLY__
6 #include <linux/notifier.h>
7
8 #include <asm/ptrace.h>
9
10 struct swsusp_arch_regs {
11 struct pt_regs user_regs;
12 unsigned long bank1_regs[8];
13 };
14
15 void sh_mobile_call_standby(unsigned long mode
16
17 #ifdef CONFIG_CPU_IDLE
18 int sh_mobile_setup_cpuidle(void);
19 #else
20 static inline int sh_mobile_setup_cpuidle(void
21 #endif
22
23 /* notifier chains for pre/post sleep hooks */
24 extern struct atomic_notifier_head sh_mobile_p
25 extern struct atomic_notifier_head sh_mobile_p
26
27 /* priority levels for notifiers */
28 #define SH_MOBILE_SLEEP_BOARD 0
29 #define SH_MOBILE_SLEEP_CPU 1
30 #define SH_MOBILE_PRE(x) (x)
31 #define SH_MOBILE_POST(x) (-(x))
32
33 /* board code registration function for self-r
34 void sh_mobile_register_self_refresh(unsigned
35 void *pre
36 void *pos
37
38 /* register structure for address/data informa
39 struct sh_sleep_regs {
40 unsigned long stbcr;
41 unsigned long bar;
42
43 /* MMU */
44 unsigned long pteh;
45 unsigned long ptel;
46 unsigned long ttb;
47 unsigned long tea;
48 unsigned long mmucr;
49 unsigned long ptea;
50 unsigned long pascr;
51 unsigned long irmcr;
52
53 /* Cache */
54 unsigned long ccr;
55 unsigned long ramcr;
56 };
57
58 /* data area for low-level sleep code */
59 struct sh_sleep_data {
60 /* current sleep mode (SUSP_SH_...) */
61 unsigned long mode;
62
63 /* addresses of board specific self-re
64 unsigned long sf_pre;
65 unsigned long sf_post;
66
67 /* address of resume code */
68 unsigned long resume;
69
70 /* register state saved and restored b
71 unsigned long vbr;
72 unsigned long spc;
73 unsigned long sr;
74 unsigned long sp;
75
76 /* structure for keeping register addr
77 struct sh_sleep_regs addr;
78
79 /* structure for saving/restoring regi
80 struct sh_sleep_regs data;
81 };
82
83 /* a bitmap of supported sleep modes (SUSP_SH.
84 extern unsigned long sh_mobile_sleep_supported
85
86 #endif
87
88 /* flags passed to assembly suspend code */
89 #define SUSP_SH_SLEEP (1 << 0) /* Re
90 #define SUSP_SH_STANDBY (1 << 1) /* SH
91 #define SUSP_SH_RSTANDBY (1 << 2) /* SH
92 #define SUSP_SH_USTANDBY (1 << 3) /* SH
93 #define SUSP_SH_SF (1 << 4) /* En
94 #define SUSP_SH_MMU (1 << 5) /* Sa
95 #define SUSP_SH_REGS (1 << 6) /* Sa
96
97 #endif /* _ASM_SH_SUSPEND_H */
98
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