~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-s3c24xx/irq-pm.c

Version: ~ [ linux-5.6-rc7 ] ~ [ linux-5.5.11 ] ~ [ linux-5.4.27 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.112 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.174 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.217 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.217 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.82 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* linux/arch/arm/plat-s3c24xx/irq-om.c
  2  *
  3  * Copyright (c) 2003-2004 Simtec Electronics
  4  *      Ben Dooks <ben@simtec.co.uk>
  5  *      http://armlinux.simtec.co.uk/
  6  *
  7  * S3C24XX - IRQ PM code
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License version 2 as
 11  * published by the Free Software Foundation.
 12  */
 13 
 14 #include <linux/init.h>
 15 #include <linux/module.h>
 16 #include <linux/interrupt.h>
 17 #include <linux/irq.h>
 18 #include <linux/syscore_ops.h>
 19 #include <linux/io.h>
 20 
 21 #include <plat/cpu.h>
 22 #include <plat/pm.h>
 23 #include <plat/map-base.h>
 24 #include <plat/map-s3c.h>
 25 
 26 #include <mach/regs-irq.h>
 27 #include <mach/regs-gpio.h>
 28 #include <mach/pm-core.h>
 29 
 30 #include <asm/irq.h>
 31 
 32 int s3c_irq_wake(struct irq_data *data, unsigned int state)
 33 {
 34         unsigned long irqbit = 1 << data->hwirq;
 35 
 36         if (!(s3c_irqwake_intallow & irqbit))
 37                 return -ENOENT;
 38 
 39         pr_info("wake %s for hwirq %lu\n",
 40                 state ? "enabled" : "disabled", data->hwirq);
 41 
 42         if (!state)
 43                 s3c_irqwake_intmask |= irqbit;
 44         else
 45                 s3c_irqwake_intmask &= ~irqbit;
 46 
 47         return 0;
 48 }
 49 
 50 static struct sleep_save irq_save[] = {
 51         SAVE_ITEM(S3C2410_INTMSK),
 52         SAVE_ITEM(S3C2410_INTSUBMSK),
 53 };
 54 
 55 /* the extint values move between the s3c2410/s3c2440 and the s3c2412
 56  * so we use an array to hold them, and to calculate the address of
 57  * the register at run-time
 58 */
 59 
 60 static unsigned long save_extint[3];
 61 static unsigned long save_eintflt[4];
 62 static unsigned long save_eintmask;
 63 
 64 static int s3c24xx_irq_suspend(void)
 65 {
 66         unsigned int i;
 67 
 68         for (i = 0; i < ARRAY_SIZE(save_extint); i++)
 69                 save_extint[i] = __raw_readl(S3C24XX_EXTINT0 + (i*4));
 70 
 71         for (i = 0; i < ARRAY_SIZE(save_eintflt); i++)
 72                 save_eintflt[i] = __raw_readl(S3C24XX_EINFLT0 + (i*4));
 73 
 74         s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save));
 75         save_eintmask = __raw_readl(S3C24XX_EINTMASK);
 76 
 77         return 0;
 78 }
 79 
 80 static void s3c24xx_irq_resume(void)
 81 {
 82         unsigned int i;
 83 
 84         for (i = 0; i < ARRAY_SIZE(save_extint); i++)
 85                 __raw_writel(save_extint[i], S3C24XX_EXTINT0 + (i*4));
 86 
 87         for (i = 0; i < ARRAY_SIZE(save_eintflt); i++)
 88                 __raw_writel(save_eintflt[i], S3C24XX_EINFLT0 + (i*4));
 89 
 90         s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
 91         __raw_writel(save_eintmask, S3C24XX_EINTMASK);
 92 }
 93 
 94 struct syscore_ops s3c24xx_irq_syscore_ops = {
 95         .suspend        = s3c24xx_irq_suspend,
 96         .resume         = s3c24xx_irq_resume,
 97 };
 98 
 99 #ifdef CONFIG_CPU_S3C2416
100 static struct sleep_save s3c2416_irq_save[] = {
101         SAVE_ITEM(S3C2416_INTMSK2),
102 };
103 
104 static int s3c2416_irq_suspend(void)
105 {
106         s3c_pm_do_save(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save));
107 
108         return 0;
109 }
110 
111 static void s3c2416_irq_resume(void)
112 {
113         s3c_pm_do_restore(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save));
114 }
115 
116 struct syscore_ops s3c2416_irq_syscore_ops = {
117         .suspend        = s3c2416_irq_suspend,
118         .resume         = s3c2416_irq_resume,
119 };
120 #endif
121 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp