gpio.h 1.5 KB

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  1. /*
  2. * arch/arm/mach-sa1100/include/mach/gpio.h
  3. *
  4. * SA1100 GPIO wrappers for arch-neutral GPIO calls
  5. *
  6. * Written by Philipp Zabel <philipp.zabel@gmail.com>
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21. *
  22. */
  23. #ifndef __ASM_ARCH_SA1100_GPIO_H
  24. #define __ASM_ARCH_SA1100_GPIO_H
  25. #include <mach/hardware.h>
  26. #include <asm/irq.h>
  27. #include <asm-generic/gpio.h>
  28. #define __ARM_GPIOLIB_COMPLEX
  29. static inline int gpio_get_value(unsigned gpio)
  30. {
  31. if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
  32. return GPLR & GPIO_GPIO(gpio);
  33. else
  34. return __gpio_get_value(gpio);
  35. }
  36. static inline void gpio_set_value(unsigned gpio, int value)
  37. {
  38. if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
  39. if (value)
  40. GPSR = GPIO_GPIO(gpio);
  41. else
  42. GPCR = GPIO_GPIO(gpio);
  43. else
  44. __gpio_set_value(gpio, value);
  45. }
  46. #define gpio_cansleep __gpio_cansleep
  47. #endif