package/switch/src/gpio.h

   1 /*
   2  * Copyright (C) 2006 OpenWrt.org
   3  *
   4  * This is free software, licensed under the GNU General Public License v2.
   5  * See /LICENSE for more information.
   6  */
   7
   8 #ifndef __GPIO_H
   9 #define __GPIO_H
  10
  11 #if defined(BCMGPIO2)
  12
  13 #ifdef LINUX_2_4
  14 #define sbh bcm947xx_sbh
  15 extern void *bcm947xx_sbh;
  16 #else
  17 extern void *sbh;
  18 #endif
  19
  20 extern __u32 sb_gpioin(void *sbh);
  21 extern __u32 sb_gpiointpolarity(void *sbh, __u32 mask, __u32 val, __u8 prio);
  22 extern __u32 sb_gpiointmask(void *sbh, __u32 mask, __u32 val, __u8 prio);
  23 extern __u32 sb_gpioouten(void *sbh, __u32 mask, __u32 val, __u8 prio);
  24 extern __u32 sb_gpioout(void *sbh, __u32 mask, __u32 val, __u8 prio);
  25
  26 #define gpioin() sb_gpioin(sbh)
  27 #define gpiointpolarity(mask,val) sb_gpiointpolarity(sbh, mask, val, 0)
  28 #define gpiointmask(mask,val) sb_gpiointmask(sbh, mask, val, 0)
  29 #define gpioouten(mask,val) sb_gpioouten(sbh, mask, val, 0)
  30 #define gpioout(mask,val) sb_gpioout(sbh, mask, val, 0)
  31
  32 #elif defined(BCMGPIO)
  33
  34 #define sbh bcm947xx_sbh
  35 extern void *bcm947xx_sbh;
  36 extern __u32 sb_gpioin(void *sbh);
  37 extern __u32 sb_gpiointpolarity(void *sbh, __u32 mask, __u32 val);
  38 extern __u32 sb_gpiointmask(void *sbh, __u32 mask, __u32 val);
  39 extern __u32 sb_gpioouten(void *sbh, __u32 mask, __u32 val);
  40 extern __u32 sb_gpioout(void *sbh, __u32 mask, __u32 val);
  41
  42 #define gpioin() sb_gpioin(sbh)
  43 #define gpiointpolarity(mask,val) sb_gpiointpolarity(sbh, mask, val)
  44 #define gpiointmask(mask,val) sb_gpiointmask(sbh, mask, val)
  45 #define gpioouten(mask,val) sb_gpioouten(sbh, mask, val)
  46 #define gpioout(mask,val) sb_gpioout(sbh, mask, val)
  47
  48 #else
  49 #error Unsupported/unknown GPIO configuration
  50 #endif
  51
  52 #endif /* __GPIO_H */