projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2ef7f0da MD |
2 | #ifndef _ASM_SH_SUSPEND_H |
| 3 | #define _ASM_SH_SUSPEND_H | |
| 4 | ||
| 77594912 | 5 | #ifndef __ASSEMBLY__ |
| 49f42644 | 6 | #include <linux/notifier.h> |
| 2ef7f0da MD |
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 | }; | |
| 7426394f MD |
14 | |
| 15 | void sh_mobile_call_standby(unsigned long mode); | |
| 16 | ||
| 17 | #ifdef CONFIG_CPU_IDLE | |
| 38a94f41 | 18 | int sh_mobile_setup_cpuidle(void); |
| 7426394f | 19 | #else |
| 38a94f41 | 20 | static inline int sh_mobile_setup_cpuidle(void) { return 0; } |
| 7426394f MD |
21 | #endif |
| 22 | ||
| 49f42644 MD |
23 | /* notifier chains for pre/post sleep hooks */ |
| 24 | extern struct atomic_notifier_head sh_mobile_pre_sleep_notifier_list; | |
| 25 | extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list; | |
| 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 | ||
| 159f8cd9 MD |
33 | /* board code registration function for self-refresh assembly snippets */ |
| 34 | void sh_mobile_register_self_refresh(unsigned long flags, | |
| 35 | void *pre_start, void *pre_end, | |
| 36 | void *post_start, void *post_end); | |
| 323ef8db MD |
37 | |
| 38 | /* register structure for address/data information */ | |
| 39 | struct sh_sleep_regs { | |
| 40 | unsigned long stbcr; | |
| bb3e0eed | 41 | unsigned long bar; |
| 99675a7a MD |
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; | |
| 323ef8db MD |
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-refresh snippets */ | |
| 64 | unsigned long sf_pre; | |
| 65 | unsigned long sf_post; | |
| 66 | ||
| bb3e0eed MD |
67 | /* address of resume code */ |
| 68 | unsigned long resume; | |
| 69 | ||
| 323ef8db MD |
70 | /* register state saved and restored by the assembly code */ |
| 71 | unsigned long vbr; | |
| 72 | unsigned long spc; | |
| 73 | unsigned long sr; | |
| bb3e0eed | 74 | unsigned long sp; |
| 323ef8db MD |
75 | |
| 76 | /* structure for keeping register addresses */ | |
| 77 | struct sh_sleep_regs addr; | |
| 78 | ||
| 79 | /* structure for saving/restoring register state */ | |
| 80 | struct sh_sleep_regs data; | |
| 81 | }; | |
| 82 | ||
| 02bf8934 MD |
83 | /* a bitmap of supported sleep modes (SUSP_SH..) */ |
| 84 | extern unsigned long sh_mobile_sleep_supported; | |
| 85 | ||
| 77594912 MD |
86 | #endif |
| 87 | ||
| 88 | /* flags passed to assembly suspend code */ | |
| 89 | #define SUSP_SH_SLEEP (1 << 0) /* Regular sleep mode */ | |
| 90 | #define SUSP_SH_STANDBY (1 << 1) /* SH-Mobile Software standby mode */ | |
| 91 | #define SUSP_SH_RSTANDBY (1 << 2) /* SH-Mobile R-standby mode */ | |
| 92 | #define SUSP_SH_USTANDBY (1 << 3) /* SH-Mobile U-standby mode */ | |
| 93 | #define SUSP_SH_SF (1 << 4) /* Enable self-refresh */ | |
| 99675a7a | 94 | #define SUSP_SH_MMU (1 << 5) /* Save/restore MMU and cache */ |
| 41bfb7d7 | 95 | #define SUSP_SH_REGS (1 << 6) /* Save/restore registers */ |
| 2ef7f0da MD |
96 | |
| 97 | #endif /* _ASM_SH_SUSPEND_H */ |