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

   1 /*
   2  *   This program is free software; you can redistribute it and/or modify
   3  *   it under the terms of the GNU General Public License as published by
   4  *   the Free Software Foundation; either version 2 of the License, or
   5  *   (at your option) any later version.
   6  *
   7  *   This program is distributed in the hope that it will be useful,
   8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *   GNU General Public License for more details.
  11  *
  12  *   You should have received a copy of the GNU General Public License
  13  *   along with this program; if not, write to the Free Software
  14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  15  *
  16  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org>
  17  */
  18
  19 #ifndef _IFXMIPS_GPIO_H_
  20 #define _IFXMIPS_GPIO_H_
  21
  22 #include <asm/ifxmips/ifxmips.h>
  23 #include <asm/ifxmips/ifxmips_gpio.h>
  24
  25 static inline int
  26 gpio_direction_input(unsigned gpio)
  27 {
  28         ifxmips_port_set_dir_in(0, gpio);
  29         return 0;
  30 }
  31
  32 static inline int
  33 gpio_direction_output(unsigned gpio, int value)
  34 {
  35         ifxmips_port_set_dir_out(0, gpio);
  36         return 0;
  37 }
  38
  39 static inline int
  40 gpio_get_value(unsigned gpio)
  41 {
  42         ifxmips_port_get_input(0, gpio);
  43         return 0;
  44 }
  45
  46 static inline void
  47 gpio_set_value(unsigned gpio, int value)
  48 {
  49         ifxmips_port_set_output(0, gpio);
  50 }
  51
  52 static inline int
  53 gpio_request(unsigned gpio, const char *label)
  54 {
  55         return 0;
  56 }
  57
  58 static inline void
  59 gpio_free(unsigned gpio)
  60 {
  61 }
  62
  63 static inline int
  64 gpio_to_irq(unsigned gpio)
  65 {
  66         return 0;
  67 }
  68
  69 static inline int
  70 irq_to_gpio(unsigned irq)
  71 {
  72         return 0;
  73 }
  74
  75 static inline int
  76 gpio_cansleep(unsigned gpio)
  77 {
  78         return 0;
  79 }
  80
  81 static inline int
  82 gpio_get_value_cansleep(unsigned gpio)
  83 {
  84         might_sleep();
  85         return gpio_get_value(gpio);
  86 }
  87
  88 static inline void
  89 gpio_set_value_cansleep(unsigned gpio, int value)
  90 {
  91         might_sleep();
  92         gpio_set_value(gpio, value);
  93 }
  94 #endif