target/linux/adm5120/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 at openwrt.org>
   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 #include <asm/mach-adm5120/adm5120_switch.h>
  30
  31 #define ADM5120_GPIO_PIN0       0
  32 #define ADM5120_GPIO_PIN1       1
  33 #define ADM5120_GPIO_PIN2       2
  34 #define ADM5120_GPIO_PIN3       3
  35 #define ADM5120_GPIO_PIN4       4
  36 #define ADM5120_GPIO_PIN5       5
  37 #define ADM5120_GPIO_PIN6       6
  38 #define ADM5120_GPIO_PIN7       7
  39 #define ADM5120_GPIO_P0L0       8
  40 #define ADM5120_GPIO_P0L1       9
  41 #define ADM5120_GPIO_P0L2       10
  42 #define ADM5120_GPIO_P1L0       11
  43 #define ADM5120_GPIO_P1L1       12
  44 #define ADM5120_GPIO_P1L2       13
  45 #define ADM5120_GPIO_P2L0       14
  46 #define ADM5120_GPIO_P2L1       15
  47 #define ADM5120_GPIO_P2L2       16
  48 #define ADM5120_GPIO_P3L0       17
  49 #define ADM5120_GPIO_P3L1       18
  50 #define ADM5120_GPIO_P3L2       19
  51 #define ADM5120_GPIO_P4L0       20
  52 #define ADM5120_GPIO_P4L1       21
  53 #define ADM5120_GPIO_P4L2       22
  54 #define ADM5120_GPIO_MAX        22
  55 #define ADM5120_GPIO_COUNT      ADM5120_GPIO_MAX+1
  56
  57 #define ADM5120_GPIO_LOW        0
  58 #define ADM5120_GPIO_HIGH       1
  59
  60 #define ADM5120_GPIO_SWITCH     0x10
  61 #define ADM5120_GPIO_FLASH      (ADM5120_GPIO_SWITCH | LED_MODE_FLASH)
  62 #define ADM5120_GPIO_LINK       (ADM5120_GPIO_SWITCH | LED_MODE_LINK)
  63 #define ADM5120_GPIO_SPEED      (ADM5120_GPIO_SWITCH | LED_MODE_SPEED)
  64 #define ADM5120_GPIO_DUPLEX     (ADM5120_GPIO_SWITCH | LED_MODE_DUPLEX)
  65 #define ADM5120_GPIO_ACT        (ADM5120_GPIO_SWITCH | LED_MODE_ACT)
  66 #define ADM5120_GPIO_COLL       (ADM5120_GPIO_SWITCH | LED_MODE_COLL)
  67 #define ADM5120_GPIO_LINK_ACT   (ADM5120_GPIO_SWITCH | LED_MODE_LINK_ACT)
  68 #define ADM5120_GPIO_DUPLEX_COLL (ADM5120_GPIO_SWITCH | LED_MODE_DUPLEX_COLL)
  69 #define ADM5120_GPIO_10M_ACT    (ADM5120_GPIO_SWITCH | LED_MODE_10M_ACT)
  70 #define ADM5120_GPIO_100M_ACT   (ADM5120_GPIO_SWITCH | LED_MODE_100M_ACT)
  71
  72 extern int adm5120_gpio_direction_input(unsigned gpio);
  73 extern int adm5120_gpio_direction_output(unsigned gpio, int value);
  74 extern int adm5120_gpio_get_value(unsigned gpio);
  75 extern void adm5120_gpio_set_value(unsigned gpio, int value);
  76 extern int adm5120_gpio_request(unsigned gpio, const char *label);
  77 extern void adm5120_gpio_free(unsigned gpio);
  78 extern int adm5120_gpio_to_irq(unsigned gpio);
  79 extern int adm5120_irq_to_gpio(unsigned irq);
  80
  81 /*
  82  * Wrappers for the generic GPIO layer
  83  */
  84 static inline int gpio_direction_input(unsigned gpio)
  85 {
  86         return adm5120_gpio_direction_input(gpio);
  87 }
  88
  89 static inline int gpio_direction_output(unsigned gpio, int value)
  90 {
  91         return adm5120_gpio_direction_output(gpio,value);
  92 }
  93
  94 static inline int gpio_get_value(unsigned gpio)
  95 {
  96         return adm5120_gpio_get_value(gpio);
  97 }
  98
  99 static inline void gpio_set_value(unsigned gpio, int value)
 100 {
 101         adm5120_gpio_set_value(gpio, value);
 102 }
 103
 104 static inline int gpio_request(unsigned gpio, const char *label)
 105 {
 106         return adm5120_gpio_request(gpio, label);
 107 }
 108
 109 static inline void gpio_free(unsigned gpio)
 110 {
 111         adm5120_gpio_free(gpio);
 112 }
 113
 114 static inline int gpio_to_irq(unsigned gpio)
 115 {
 116         return adm5120_gpio_to_irq(gpio);
 117 }
 118
 119 static inline int irq_to_gpio(unsigned irq)
 120 {
 121         return adm5120_irq_to_gpio(irq);
 122 }
 123
 124 #include <asm-generic/gpio.h> /* cansleep wrappers */
 125
 126 #endif