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39 lines
1.2 KiB
39 lines
1.2 KiB
16 years ago
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/*
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* arch/asm-arm/mach-kirkwood/include/mach/gpio.h
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __ASM_ARCH_GPIO_H
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#define __ASM_ARCH_GPIO_H
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#include <mach/irqs.h>
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#include <plat/gpio.h>
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#include <asm-generic/gpio.h> /* cansleep wrappers */
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#define GPIO_MAX 50
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#define GPIO_OFF(pin) (((pin) >> 5) ? 0x0140 : 0x0100)
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#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x00)
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#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x04)
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#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x08)
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#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x0c)
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#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x10)
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#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x14)
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#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x18)
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#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x1c)
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static inline int gpio_to_irq(int pin)
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{
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return pin + IRQ_KIRKWOOD_GPIO_START;
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}
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static inline int irq_to_gpio(int irq)
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{
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return irq - IRQ_KIRKWOOD_GPIO_START;
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}
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#endif
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