gpio.h 885 B

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  1. /*
  2. * STLS2F GPIO Support
  3. *
  4. * Copyright (c) 2008 Richard Liu, STMicroelectronics <richard.liu@st.com>
  5. * Copyright (c) 2008-2010 Arnaud Patard <apatard@mandriva.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. */
  12. #ifndef __STLS2F_GPIO_H
  13. #define __STLS2F_GPIO_H
  14. #include <asm-generic/gpio.h>
  15. extern void gpio_set_value(unsigned gpio, int value);
  16. extern int gpio_get_value(unsigned gpio);
  17. extern int gpio_cansleep(unsigned gpio);
  18. /* The chip can do interrupt
  19. * but it has not been tested and doc not clear
  20. */
  21. static inline int gpio_to_irq(int gpio)
  22. {
  23. return -EINVAL;
  24. }
  25. static inline int irq_to_gpio(int gpio)
  26. {
  27. return -EINVAL;
  28. }
  29. #endif /* __STLS2F_GPIO_H */