diff options
| -rw-r--r-- | target/linux/ar7-2.6/files/include/asm-generic/gpio.h | 0 | ||||
| -rw-r--r-- | target/linux/ar7-2.6/files/include/asm-mips/ar7/gpio.h | 116 |
2 files changed, 0 insertions, 116 deletions
diff --git a/target/linux/ar7-2.6/files/include/asm-generic/gpio.h b/target/linux/ar7-2.6/files/include/asm-generic/gpio.h deleted file mode 100644 index e69de29bb2..0000000000 --- a/target/linux/ar7-2.6/files/include/asm-generic/gpio.h +++ /dev/null diff --git a/target/linux/ar7-2.6/files/include/asm-mips/ar7/gpio.h b/target/linux/ar7-2.6/files/include/asm-mips/ar7/gpio.h deleted file mode 100644 index 97638077fd..0000000000 --- a/target/linux/ar7-2.6/files/include/asm-mips/ar7/gpio.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * $Id$ - * - * Copyright (C) 2007 OpenWrt.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef __AR7_GPIO_H__ -#define __AR7_GPIO_H__ -#include <asm/ar7/ar7.h> - -#define AR7_GPIO_MAX 32 - -extern int gpio_request(unsigned gpio, char *label); -extern void gpio_free(unsigned gpio); - -/* Common GPIO layer */ -static inline int gpio_direction_input(unsigned gpio) -{ - void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio_dir) | (1 << gpio), gpio_dir); - - return 0; -} - -static inline int gpio_direction_output(unsigned gpio) -{ - void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir); - - return 0; -} - -static inline int gpio_get_value(unsigned gpio) -{ - void __iomem *gpio_in = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - return ((readl(gpio_in) & (1 << gpio)) != 0); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - void __iomem *gpio_out = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - volatile unsigned tmp; - - if (gpio >= AR7_GPIO_MAX) - return; - - tmp = readl(gpio_out) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - writel(tmp, gpio_out); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return -EINVAL; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return -EINVAL; -} - -/* Board specific GPIO functions */ -static inline int ar7_gpio_enable(unsigned gpio) -{ - void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio_en) | (1 << gpio), gpio_en); - - return 0; -} - -static inline int ar7_gpio_disable(unsigned gpio) -{ - void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio_en) & ~(1 << gpio), gpio_en); - - return 0; -} - -#include <asm-generic/gpio.h> - -#endif |