# PM support
+obj-$(CONFIG_PM_SLEEP) += pm-common.o
obj-$(CONFIG_SAMSUNG_PM) += pm.o
obj-$(CONFIG_SAMSUNG_PM_GPIO) += pm-gpio.o
obj-$(CONFIG_SAMSUNG_PM_CHECK) += pm-check.o
#ifndef __PLAT_SAMSUNG_PM_COMMON_H
#define __PLAT_SAMSUNG_PM_COMMON_H __FILE__
+#include <linux/irq.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);
+
/* PM debug functions */
/**
* management
*/
-#include <linux/irq.h>
#include <plat/pm-common.h>
struct device;
extern int s3c2410_cpu_suspend(unsigned long);
-/* 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);
-
#ifdef CONFIG_SAMSUNG_PM
extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
--- /dev/null
+/*
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ * Tomasz Figa <t.figa@samsung.com>
+ * Copyright (C) 2008 Openmoko, Inc.
+ * Copyright (C) 2004-2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * Samsung common power management helper functions.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/io.h>
+#include <linux/kernel.h>
+
+#include <plat/pm-common.h>
+
+/* helper functions to save and restore register state */
+
+/**
+ * s3c_pm_do_save() - save a set of registers for restoration on resume.
+ * @ptr: Pointer to an array of registers.
+ * @count: Size of the ptr array.
+ *
+ * Run through the list of registers given, saving their contents in the
+ * array for later restoration when we wakeup.
+ */
+void s3c_pm_do_save(struct sleep_save *ptr, int count)
+{
+ for (; count > 0; count--, ptr++) {
+ ptr->val = __raw_readl(ptr->reg);
+ S3C_PMDBG("saved %p value %08lx\n", ptr->reg, ptr->val);
+ }
+}
+
+/**
+ * s3c_pm_do_restore() - restore register values from the save list.
+ * @ptr: Pointer to an array of registers.
+ * @count: Size of the ptr array.
+ *
+ * Restore the register values saved from s3c_pm_do_save().
+ *
+ * Note, we do not use S3C_PMDBG() in here, as the system may not have
+ * restore the UARTs state yet
+*/
+
+void s3c_pm_do_restore(const struct sleep_save *ptr, int count)
+{
+ for (; count > 0; count--, ptr++) {
+ pr_debug("restore %p (restore %08lx, was %08x)\n",
+ ptr->reg, ptr->val, __raw_readl(ptr->reg));
+
+ __raw_writel(ptr->val, ptr->reg);
+ }
+}
+
+/**
+ * s3c_pm_do_restore_core() - early restore register values from save list.
+ *
+ * This is similar to s3c_pm_do_restore() except we try and minimise the
+ * side effects of the function in case registers that hardware might need
+ * to work has been restored.
+ *
+ * WARNING: Do not put any debug in here that may effect memory or use
+ * peripherals, as things may be changing!
+*/
+
+void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count)
+{
+ for (; count > 0; count--, ptr++)
+ __raw_writel(ptr->val, ptr->reg);
+}
return 0;
}
-/* helper functions to save and restore register state */
-
-/**
- * s3c_pm_do_save() - save a set of registers for restoration on resume.
- * @ptr: Pointer to an array of registers.
- * @count: Size of the ptr array.
- *
- * Run through the list of registers given, saving their contents in the
- * array for later restoration when we wakeup.
- */
-void s3c_pm_do_save(struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++) {
- ptr->val = __raw_readl(ptr->reg);
- S3C_PMDBG("saved %p value %08lx\n", ptr->reg, ptr->val);
- }
-}
-
-/**
- * s3c_pm_do_restore() - restore register values from the save list.
- * @ptr: Pointer to an array of registers.
- * @count: Size of the ptr array.
- *
- * Restore the register values saved from s3c_pm_do_save().
- *
- * Note, we do not use S3C_PMDBG() in here, as the system may not have
- * restore the UARTs state yet
-*/
-
-void s3c_pm_do_restore(const struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++) {
- printk(KERN_DEBUG "restore %p (restore %08lx, was %08x)\n",
- ptr->reg, ptr->val, __raw_readl(ptr->reg));
-
- __raw_writel(ptr->val, ptr->reg);
- }
-}
-
-/**
- * s3c_pm_do_restore_core() - early restore register values from save list.
- *
- * This is similar to s3c_pm_do_restore() except we try and minimise the
- * side effects of the function in case registers that hardware might need
- * to work has been restored.
- *
- * WARNING: Do not put any debug in here that may effect memory or use
- * peripherals, as things may be changing!
-*/
-
-void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count)
-{
- for (; count > 0; count--, ptr++)
- __raw_writel(ptr->val, ptr->reg);
-}
-
/* s3c2410_pm_show_resume_irqs
*
* print any IRQs asserted at resume time (ie, we woke from)
projects / karo-tx-linux.git / commitdiff