arch/sh/include/asm/gpio.h

   1 /*
   2  *  include/asm-sh/gpio.h
   3  *
   4  * Generic GPIO API and pinmux table support for SuperH.
   5  *
   6  * Copyright (c) 2008 Magnus Damm
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  */
  12 #ifndef __ASM_SH_GPIO_H
  13 #define __ASM_SH_GPIO_H
  14
  15 #include <linux/kernel.h>
  16 #include <linux/errno.h>
  17
  18 #if defined(CONFIG_CPU_SH3)
  19 #include <cpu/gpio.h>
  20 #endif
  21
  22 #define ARCH_NR_GPIOS 512
  23 #include <linux/sh_pfc.h>
  24
  25 #ifdef CONFIG_GPIOLIB
  26
  27 static inline int gpio_get_value(unsigned gpio)
  28 {
  29         return __gpio_get_value(gpio);
  30 }
  31
  32 static inline void gpio_set_value(unsigned gpio, int value)
  33 {
  34         __gpio_set_value(gpio, value);
  35 }
  36
  37 static inline int gpio_cansleep(unsigned gpio)
  38 {
  39         return __gpio_cansleep(gpio);
  40 }
  41
  42 static inline int gpio_to_irq(unsigned gpio)
  43 {
  44         return __gpio_to_irq(gpio);
  45 }
  46
  47 static inline int irq_to_gpio(unsigned int irq)
  48 {
  49         return -ENOSYS;
  50 }
  51
  52 #endif /* CONFIG_GPIOLIB */
  53
  54 #endif /* __ASM_SH_GPIO_H */