1 #ifndef _ASM_SH_SUSPEND_H 2 #define _ASM_SH_SUSPEND_H 3 4 #ifndef __ASSEMBLY__ 5 #include <linux/notifier.h> arch_prepare_suspend(void)6static inline int arch_prepare_suspend(void) { return 0; } 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 void sh_mobile_setup_cpuidle(void); 19 #else sh_mobile_setup_cpuidle(void)20static inline void sh_mobile_setup_cpuidle(void) {} 21 #endif 22 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 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); 37 38 /* register structure for address/data information */ 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-refresh snippets */ 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 by the assembly code */ 71 unsigned long vbr; 72 unsigned long spc; 73 unsigned long sr; 74 unsigned long sp; 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 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) /* 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 */ 94 #define SUSP_SH_MMU (1 << 5) /* Save/restore MMU and cache */ 95 #define SUSP_SH_REGS (1 << 6) /* Save/restore registers */ 96 97 #endif /* _ASM_SH_SUSPEND_H */ 98