Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sh / include / asm / suspend.h

diff --git a/kernel/arch/sh/include/asm/suspend.h b/kernel/arch/sh/include/asm/suspend.h
new file mode 100644 (file)
index 0000000..70ae0b2
--- /dev/null
+++ b/kernel/arch/sh/include/asm/suspend.h
@@ -0,0 +1,96 @@
+#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 */