[deliverable/linux.git] / arch / arm / mach-mmp / include / mach / gpio-pxa.h

#ifndef __ASM_MACH_GPIO_PXA_H
#define __ASM_MACH_GPIO_PXA_H

#include <mach/addr-map.h>
#include <mach/cputype.h>
#include <mach/irqs.h>

#define GPIO_REGS_VIRT	(APB_VIRT_BASE + 0x19000)

#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
#define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))

#define gpio_to_bank(gpio)	((gpio) >> 5)

/* NOTE: these macros are defined here to make optimization of
 * gpio_{get,set}_value() to work when 'gpio' is a constant.
 * Usage of these macros otherwise is no longer recommended,
 * use generic GPIO API whenever possible.
 */
#define GPIO_bit(gpio)	(1 << ((gpio) & 0x1f))

#define GPLR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
#define GPDR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
#define GPSR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
#define GPCR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)

#include <plat/gpio-pxa.h>

#endif /* __ASM_MACH_GPIO_PXA_H */
Commit	Line	Data
f55be1bf LW	1	#ifndef __ASM_MACH_GPIO_PXA_H
	2	#define __ASM_MACH_GPIO_PXA_H
	3
	4	#include <mach/addr-map.h>
4929f5a8	5	#include <mach/cputype.h>
f55be1bf LW	6	#include <mach/irqs.h>
	7
	8	#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
	9
	10	#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
22f4cb4b	11	#define GPIO_REG(x) ((volatile u32 )(GPIO_REGS_VIRT + (x)))
f55be1bf	12
f55be1bf LW	13	#define gpio_to_bank(gpio) ((gpio) >> 5)
	14
	15	/* NOTE: these macros are defined here to make optimization of
	16	* gpio_{get,set}_value() to work when 'gpio' is a constant.
	17	* Usage of these macros otherwise is no longer recommended,
	18	* use generic GPIO API whenever possible.
	19	*/
	20	#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f))
	21
	22	#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
	23	#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
	24	#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
	25	#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
	26
	27	#include <plat/gpio-pxa.h>
	28
	29	#endif /* __ASM_MACH_GPIO_PXA_H */