target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/gpio.h

   1 /*
   2  *  $Id$
   3  *
   4  *  ADM5120 GPIO wrappers for arch-neutral GPIO calls
   5  *
   6  *  Copyright (C) 2007 OpenWrt.org
   7  *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
   8  *
   9  *  This program is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU General Public License
  11  *  as published by the Free Software Foundation; either version 2
  12  *  of the License, or (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the
  21  *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22  *  Boston, MA  02110-1301, USA.
  23  *
  24  */
  25
  26 #ifndef _ADM5120_GPIO_H_
  27 #define _ADM5120_GPIO_H_
  28
  29 #define ADM5120_GPIO_PIN0       0
  30 #define ADM5120_GPIO_PIN1       1
  31 #define ADM5120_GPIO_PIN2       2
  32 #define ADM5120_GPIO_PIN3       3
  33 #define ADM5120_GPIO_PIN4       4
  34 #define ADM5120_GPIO_PIN5       5
  35 #define ADM5120_GPIO_PIN6       6
  36 #define ADM5120_GPIO_PIN7       7
  37 #define ADM5120_GPIO_P0L0       8
  38 #define ADM5120_GPIO_P0L1       9
  39 #define ADM5120_GPIO_P0L2       10
  40 #define ADM5120_GPIO_P1L0       11
  41 #define ADM5120_GPIO_P1L1       12
  42 #define ADM5120_GPIO_P1L2       13
  43 #define ADM5120_GPIO_P2L0       14
  44 #define ADM5120_GPIO_P2L1       15
  45 #define ADM5120_GPIO_P2L2       16
  46 #define ADM5120_GPIO_P3L0       17
  47 #define ADM5120_GPIO_P3L1       18
  48 #define ADM5120_GPIO_P3L2       19
  49 #define ADM5120_GPIO_P4L0       20
  50 #define ADM5120_GPIO_P4L1       21
  51 #define ADM5120_GPIO_P4L2       22
  52 #define ADM5120_GPIO_MAX        22
  53 #define ADM5120_GPIO_COUNT      ADM5120_GPIO_MAX+1
  54
  55 extern int adm5120_gpio_direction_input(unsigned gpio);
  56 extern int adm5120_gpio_direction_output(unsigned gpio, int value);
  57 extern int adm5120_gpio_get_value(unsigned gpio);
  58 extern void adm5120_gpio_set_value(unsigned gpio, int value);
  59 extern int adm5120_gpio_request(unsigned gpio, const char *label);
  60 extern void adm5120_gpio_free(unsigned gpio);
  61 extern int adm5120_gpio_to_irq(unsigned gpio);
  62 extern int adm5120_irq_to_gpio(unsigned irq);
  63
  64 /*
  65  * Wrappers for the generic GPIO layer
  66  */
  67 static inline int gpio_direction_input(unsigned gpio)
  68 {
  69         return adm5120_gpio_direction_input(gpio);
  70 }
  71
  72 static inline int gpio_direction_output(unsigned gpio, int value)
  73 {
  74         return adm5120_gpio_direction_output(gpio,value);
  75 }
  76
  77 static inline int gpio_get_value(unsigned gpio)
  78 {
  79         return adm5120_gpio_get_value(gpio);
  80 }
  81
  82 static inline void gpio_set_value(unsigned gpio, int value)
  83 {
  84         adm5120_gpio_set_value(gpio, value);
  85 }
  86
  87 static inline int gpio_request(unsigned gpio, const char *label)
  88 {
  89         return adm5120_gpio_request(gpio, label);
  90 }
  91
  92 static inline void gpio_free(unsigned gpio)
  93 {
  94         adm5120_gpio_free(gpio);
  95 }
  96
  97 static inline int gpio_to_irq(unsigned gpio)
  98 {
  99         return adm5120_gpio_to_irq(gpio);
 100 }
 101
 102 static inline int irq_to_gpio(unsigned irq)
 103 {
 104         return adm5120_irq_to_gpio(irq);
 105 }
 106
 107 #include <asm-generic/gpio.h> /* cansleep wrappers */
 108
 109 #endif