/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SH_SUSPEND_H #define _ASM_SH_SUSPEND_H #ifndef __ASSEMBLY__ #include <linux/notifier.h> #include <asm/ptrace.h> struct swsusp_arch_regs { struct pt_regs user_regs; unsigned long bank1_regs[8]; }; void sh_mobile_call_standby(unsigned long mode); #ifdef CONFIG_CPU_IDLE int sh_mobile_setup_cpuidle(void); #else static inline int sh_mobile_setup_cpuidle(void) { return 0; } #endif /* notifier chains for pre/post sleep hooks */ extern struct atomic_notifier_head sh_mobile_pre_sleep_notifier_list; extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list; /* priority levels for notifiers */ #define SH_MOBILE_SLEEP_BOARD 0 #define SH_MOBILE_SLEEP_CPU 1 #define SH_MOBILE_PRE(x) (x) #define SH_MOBILE_POST(x) (-(x)) /* board code registration function for self-refresh assembly snippets */ void sh_mobile_register_self_refresh(unsigned long flags, void *pre_start, void *pre_end, void *post_start, void *post_end); /* register structure for address/data information */ struct sh_sleep_regs { unsigned long stbcr; unsigned long bar; /* MMU */ unsigned long pteh; unsigned long ptel; unsigned long ttb; unsigned long tea; unsigned long mmucr; unsigned long ptea; unsigned long pascr; unsigned long irmcr; /* Cache */ unsigned long ccr; unsigned long ramcr; }; /* data area for low-level sleep code */ struct sh_sleep_data { /* current sleep mode (SUSP_SH_...) */ unsigned long mode; /* addresses of board specific self-refresh snippets */ unsigned long sf_pre; unsigned long sf_post; /* address of resume code */ unsigned long resume; /* register state saved and restored by the assembly code */ unsigned long vbr; unsigned long spc; unsigned long sr; unsigned long sp; /* structure for keeping register addresses */ struct sh_sleep_regs addr; /* structure for saving/restoring register state */ struct sh_sleep_regs data; }; /* a bitmap of supported sleep modes (SUSP_SH..) */ extern unsigned long sh_mobile_sleep_supported; #endif /* flags passed to assembly suspend code */ #define SUSP_SH_SLEEP (1 << 0) /* Regular sleep mode */ #define SUSP_SH_STANDBY (1 << 1) /* SH-Mobile Software standby mode */ #define SUSP_SH_RSTANDBY (1 << 2) /* SH-Mobile R-standby mode */ #define SUSP_SH_USTANDBY (1 << 3) /* SH-Mobile U-standby mode */ #define SUSP_SH_SF (1 << 4) /* Enable self-refresh */ #define SUSP_SH_MMU (1 << 5) /* Save/restore MMU and cache */ #define SUSP_SH_REGS (1 << 6) /* Save/restore registers */ #endif /* _ASM_SH_SUSPEND_H */