Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

[sfrench/cifs-2.6.git] / arch / arm / mach-s3c / pm-common.h

diff --git a/arch/arm/mach-s3c/pm-common.h b/arch/arm/mach-s3c/pm-common.h
new file mode 100644 (file)
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--- /dev/null
+++ b/arch/arm/mach-s3c/pm-common.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *     Tomasz Figa <t.figa@samsung.com>
+ * Copyright (c) 2004 Simtec Electronics
+ *     http://armlinux.simtec.co.uk/
+ *     Written by Ben Dooks, <ben@simtec.co.uk>
+ */
+
+#ifndef __PLAT_SAMSUNG_PM_COMMON_H
+#define __PLAT_SAMSUNG_PM_COMMON_H __FILE__
+
+#include <linux/irq.h>
+#include <linux/soc/samsung/s3c-pm.h>
+
+/* sleep save info */
+
+/**
+ * struct sleep_save - save information for shared peripherals.
+ * @reg: Pointer to the register to save.
+ * @val: Holder for the value saved from reg.
+ *
+ * This describes a list of registers which is used by the pm core and
+ * other subsystem to save and restore register values over suspend.
+ */
+struct sleep_save {
+       void __iomem    *reg;
+       unsigned long   val;
+};
+
+#define SAVE_ITEM(x) \
+       { .reg = (x) }
+
+/* helper functions to save/restore lists of registers. */
+
+extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
+extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count);
+extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count);
+
+#endif