/arch/arm/mach-ns9xxx/include/mach/gpio.h

https://bitbucket.org/sammyz/iscream_thunderc-2.6.35-rebase · C++ Header · 47 lines · 20 code · 12 blank · 15 comment · 0 complexity · a08c376e636133c00a3b6ff09970426c MD5 · raw file 

    

  1. /*
    2. 

  2.  * arch/arm/mach-ns9xxx/include/mach/gpio.h
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2007 by Digi International Inc.
    5. 

  5.  * All rights reserved.
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or modify it
    8. 

  8.  * under the terms of the GNU General Public License version 2 as published by
    9. 

  9.  * the Free Software Foundation.
    10. 

  10. */
    11. 

  11. #ifndef __ASM_ARCH_GPIO_H
    12. 

  12. #define __ASM_ARCH_GPIO_H
    13. 

  13. 

  14. #include <asm/errno.h>
    15. 

  15. 

  16. int gpio_request(unsigned gpio, const char *label);
    17. 

  17. 

  18. void gpio_free(unsigned gpio);
    19. 

  19. 

  20. int ns9xxx_gpio_configure(unsigned gpio, int inv, int func);
    21. 

  21. 

  22. int gpio_direction_input(unsigned gpio);
    23. 

  23. 

  24. int gpio_direction_output(unsigned gpio, int value);
    25. 

  25. 

  26. int gpio_get_value(unsigned gpio);
    27. 

  27. 

  28. void gpio_set_value(unsigned gpio, int value);
    29. 

  29. 

  30. /*
    31. 

  31.  * ns9xxx can use gpio pins to trigger an irq, but it's not generic
    32. 

  32.  * enough to be supported by the gpio_to_irq/irq_to_gpio interface
    33. 

  33.  */
    34. 

  34. static inline int gpio_to_irq(unsigned gpio)
    35. 

  35. {
    36. 

  36. 	return -EINVAL;
    37. 

  37. }
    38. 

  38. 

  39. static inline int irq_to_gpio(unsigned irq)
    40. 

  40. {
    41. 

  41. 	return -EINVAL;
    42. 

  42. }
    43. 

  43. 

  44. /* get the cansleep() stubs */
    45. 

  45. #include <asm-generic/gpio.h>
    46. 

  46. 

  47. #endif /* ifndef __ASM_ARCH_GPIO_H */
    48.