arch/arm/mach-exynos/include/mach/pm-core.h

   1 /* linux/arch/arm/mach-exynos4/include/mach/pm-core.h
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * Based on arch/arm/mach-s3c2410/include/mach/pm-core.h,
   7  * Copyright 2008 Simtec Electronics
   8  *      Ben Dooks <ben@simtec.co.uk>
   9  *      http://armlinux.simtec.co.uk/
  10  *
  11  * EXYNOS4210 - PM core support for arch/arm/plat-s5p/pm.c
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16 */
  17
  18 #ifndef __ASM_ARCH_PM_CORE_H
  19 #define __ASM_ARCH_PM_CORE_H __FILE__
  20
  21 #include <linux/of.h>
  22 #include <mach/regs-pmu.h>
  23
  24 #ifdef CONFIG_PINCTRL_EXYNOS
  25 extern u32 exynos_get_eint_wake_mask(void);
  26 #else
  27 static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
  28 #endif
  29
  30 static inline void s3c_pm_debug_init_uart(void)
  31 {
  32         /* nothing here yet */
  33 }
  34
  35 static inline void s3c_pm_arch_prepare_irqs(void)
  36 {
  37         u32 eintmask = s3c_irqwake_eintmask;
  38
  39         if (of_have_populated_dt())
  40                 eintmask = exynos_get_eint_wake_mask();
  41
  42         __raw_writel(eintmask, S5P_EINT_WAKEUP_MASK);
  43         __raw_writel(s3c_irqwake_intmask & ~(1 << 31), S5P_WAKEUP_MASK);
  44 }
  45
  46 static inline void s3c_pm_arch_stop_clocks(void)
  47 {
  48         /* nothing here yet */
  49 }
  50
  51 static inline void s3c_pm_arch_show_resume_irqs(void)
  52 {
  53         /* nothing here yet */
  54 }
  55
  56 static inline void s3c_pm_arch_update_uart(void __iomem *regs,
  57                                            struct pm_uart_save *save)
  58 {
  59         /* nothing here yet */
  60 }
  61
  62 static inline void s3c_pm_restored_gpios(void)
  63 {
  64         /* nothing here yet */
  65 }
  66
  67 static inline void samsung_pm_saved_gpios(void)
  68 {
  69         /* nothing here yet */
  70 }
  71
  72 /* Compatibility definitions to make plat-samsung/pm.c compile */
  73 #define IRQ_EINT_BIT(x)         1
  74 #define s3c_irqwake_intallow    0
  75 #define s3c_irqwake_eintallow   0
  76
  77 #endif /* __ASM_ARCH_PM_CORE_H */