Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 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 | |
| 24 | #ifndef __ASM_ARCH_SA1100_GPIO_H |
| 25 | #define __ASM_ARCH_SA1100_GPIO_H |
| 26 | |
| 27 | #include <mach/hardware.h> |
| 28 | #include <asm/irq.h> |
| 29 | #include <asm-generic/gpio.h> |
| 30 | |
Russell King | 8f3c453 | 2011-08-08 13:58:28 +0100 | [diff] [blame] | 31 | #define __ARM_GPIOLIB_COMPLEX |
| 32 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 33 | static inline int gpio_get_value(unsigned gpio) |
| 34 | { |
| 35 | if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) |
| 36 | return GPLR & GPIO_GPIO(gpio); |
| 37 | else |
| 38 | return __gpio_get_value(gpio); |
| 39 | } |
| 40 | |
| 41 | static inline void gpio_set_value(unsigned gpio, int value) |
| 42 | { |
| 43 | if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) |
| 44 | if (value) |
| 45 | GPSR = GPIO_GPIO(gpio); |
| 46 | else |
| 47 | GPCR = GPIO_GPIO(gpio); |
| 48 | else |
| 49 | __gpio_set_value(gpio, value); |
| 50 | } |
| 51 | |
| 52 | #define gpio_cansleep __gpio_cansleep |
| 53 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 54 | #endif |