/*
* [origin: Linux kernel include/asm-arm/arch-at91/gpio.h]
*
* Copyright (C) 2005 HP Labs
*
* 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.
*
*/
#ifndef __ASM_ARCH_AT91_GPIO_H
#define __ASM_ARCH_AT91_GPIO_H
#include <io.h>
#include <asm-generic/errno.h>
#include <mach/at91_pio.h>
#include <mach/hardware.h>
#include <asm-generic/gpio.h>
#define ARCH_NR_GPIOS 256
#define AT91_PIN_PA0 (0x00 + 0)
#define AT91_PIN_PA1 (0x00 + 1)
#define AT91_PIN_PA2 (0x00 + 2)
#define AT91_PIN_PA3 (0x00 + 3)
#define AT91_PIN_PA4 (0x00 + 4)
#define AT91_PIN_PA5 (0x00 + 5)
#define AT91_PIN_PA6 (0x00 + 6)
#define AT91_PIN_PA7 (0x00 + 7)
#define AT91_PIN_PA8 (0x00 + 8)
#define AT91_PIN_PA9 (0x00 + 9)
#define AT91_PIN_PA10 (0x00 + 10)
#define AT91_PIN_PA11 (0x00 + 11)
#define AT91_PIN_PA12 (0x00 + 12)
#define AT91_PIN_PA13 (0x00 + 13)
#define AT91_PIN_PA14 (0x00 + 14)
#define AT91_PIN_PA15 (0x00 + 15)
#define AT91_PIN_PA16 (0x00 + 16)
#define AT91_PIN_PA17 (0x00 + 17)
#define AT91_PIN_PA18 (0x00 + 18)
#define AT91_PIN_PA19 (0x00 + 19)
#define AT91_PIN_PA20 (0x00 + 20)
#define AT91_PIN_PA21 (0x00 + 21)
#define AT91_PIN_PA22 (0x00 + 22)
#define AT91_PIN_PA23 (0x00 + 23)
#define AT91_PIN_PA24 (0x00 + 24)
#define AT91_PIN_PA25 (0x00 + 25)
#define AT91_PIN_PA26 (0x00 + 26)
#define AT91_PIN_PA27 (0x00 + 27)
#define AT91_PIN_PA28 (0x00 + 28)
#define AT91_PIN_PA29 (0x00 + 29)
#define AT91_PIN_PA30 (0x00 + 30)
#define AT91_PIN_PA31 (0x00 + 31)
#define AT91_PIN_PB0 (0x20 + 0)
#define AT91_PIN_PB1 (0x20 + 1)
#define AT91_PIN_PB2 (0x20 + 2)
#define AT91_PIN_PB3 (0x20 + 3)
#define AT91_PIN_PB4 (0x20 + 4)
#define AT91_PIN_PB5 (0x20 + 5)
#define AT91_PIN_PB6 (0x20 + 6)
#define AT91_PIN_PB7 (0x20 + 7)
#define AT91_PIN_PB8 (0x20 + 8)
#define AT91_PIN_PB9 (0x20 + 9)
#define AT91_PIN_PB10 (0x20 + 10)
#define AT91_PIN_PB11 (0x20 + 11)
#define AT91_PIN_PB12 (0x20 + 12)
#define AT91_PIN_PB13 (0x20 + 13)
#define AT91_PIN_PB14 (0x20 + 14)
#define AT91_PIN_PB15 (0x20 + 15)
#define AT91_PIN_PB16 (0x20 + 16)
#define AT91_PIN_PB17 (0x20 + 17)
#define AT91_PIN_PB18 (0x20 + 18)
#define AT91_PIN_PB19 (0x20 + 19)
#define AT91_PIN_PB20 (0x20 + 20)
#define AT91_PIN_PB21 (0x20 + 21)
#define AT91_PIN_PB22 (0x20 + 22)
#define AT91_PIN_PB23 (0x20 + 23)
#define AT91_PIN_PB24 (0x20 + 24)
#define AT91_PIN_PB25 (0x20 + 25)
#define AT91_PIN_PB26 (0x20 + 26)
#define AT91_PIN_PB27 (0x20 + 27)
#define AT91_PIN_PB28 (0x20 + 28)
#define AT91_PIN_PB29 (0x20 + 29)
#define AT91_PIN_PB30 (0x20 + 30)
#define AT91_PIN_PB31 (0x20 + 31)
#define AT91_PIN_PC0 (0x40 + 0)
#define AT91_PIN_PC1 (0x40 + 1)
#define AT91_PIN_PC2 (0x40 + 2)
#define AT91_PIN_PC3 (0x40 + 3)
#define AT91_PIN_PC4 (0x40 + 4)
#define AT91_PIN_PC5 (0x40 + 5)
#define AT91_PIN_PC6 (0x40 + 6)
#define AT91_PIN_PC7 (0x40 + 7)
#define AT91_PIN_PC8 (0x40 + 8)
#define AT91_PIN_PC9 (0x40 + 9)
#define AT91_PIN_PC10 (0x40 + 10)
#define AT91_PIN_PC11 (0x40 + 11)
#define AT91_PIN_PC12 (0x40 + 12)
#define AT91_PIN_PC13 (0x40 + 13)
#define AT91_PIN_PC14 (0x40 + 14)
#define AT91_PIN_PC15 (0x40 + 15)
#define AT91_PIN_PC16 (0x40 + 16)
#define AT91_PIN_PC17 (0x40 + 17)
#define AT91_PIN_PC18 (0x40 + 18)
#define AT91_PIN_PC19 (0x40 + 19)
#define AT91_PIN_PC20 (0x40 + 20)
#define AT91_PIN_PC21 (0x40 + 21)
#define AT91_PIN_PC22 (0x40 + 22)
#define AT91_PIN_PC23 (0x40 + 23)
#define AT91_PIN_PC24 (0x40 + 24)
#define AT91_PIN_PC25 (0x40 + 25)
#define AT91_PIN_PC26 (0x40 + 26)
#define AT91_PIN_PC27 (0x40 + 27)
#define AT91_PIN_PC28 (0x40 + 28)
#define AT91_PIN_PC29 (0x40 + 29)
#define AT91_PIN_PC30 (0x40 + 30)
#define AT91_PIN_PC31 (0x40 + 31)
#define AT91_PIN_PD0 (0x60 + 0)
#define AT91_PIN_PD1 (0x60 + 1)
#define AT91_PIN_PD2 (0x60 + 2)
#define AT91_PIN_PD3 (0x60 + 3)
#define AT91_PIN_PD4 (0x60 + 4)
#define AT91_PIN_PD5 (0x60 + 5)
#define AT91_PIN_PD6 (0x60 + 6)
#define AT91_PIN_PD7 (0x60 + 7)
#define AT91_PIN_PD8 (0x60 + 8)
#define AT91_PIN_PD9 (0x60 + 9)
#define AT91_PIN_PD10 (0x60 + 10)
#define AT91_PIN_PD11 (0x60 + 11)
#define AT91_PIN_PD12 (0x60 + 12)
#define AT91_PIN_PD13 (0x60 + 13)
#define AT91_PIN_PD14 (0x60 + 14)
#define AT91_PIN_PD15 (0x60 + 15)
#define AT91_PIN_PD16 (0x60 + 16)
#define AT91_PIN_PD17 (0x60 + 17)
#define AT91_PIN_PD18 (0x60 + 18)
#define AT91_PIN_PD19 (0x60 + 19)
#define AT91_PIN_PD20 (0x60 + 20)
#define AT91_PIN_PD21 (0x60 + 21)
#define AT91_PIN_PD22 (0x60 + 22)
#define AT91_PIN_PD23 (0x60 + 23)
#define AT91_PIN_PD24 (0x60 + 24)
#define AT91_PIN_PD25 (0x60 + 25)
#define AT91_PIN_PD26 (0x60 + 26)
#define AT91_PIN_PD27 (0x60 + 27)
#define AT91_PIN_PD28 (0x60 + 28)
#define AT91_PIN_PD29 (0x60 + 29)
#define AT91_PIN_PD30 (0x60 + 30)
#define AT91_PIN_PD31 (0x60 + 31)
#define AT91_PIN_PE0 (0x80 + 0)
#define AT91_PIN_PE1 (0x80 + 1)
#define AT91_PIN_PE2 (0x80 + 2)
#define AT91_PIN_PE3 (0x80 + 3)
#define AT91_PIN_PE4 (0x80 + 4)
#define AT91_PIN_PE5 (0x80 + 5)
#define AT91_PIN_PE6 (0x80 + 6)
#define AT91_PIN_PE7 (0x80 + 7)
#define AT91_PIN_PE8 (0x80 + 8)
#define AT91_PIN_PE9 (0x80 + 9)
#define AT91_PIN_PE10 (0x80 + 10)
#define AT91_PIN_PE11 (0x80 + 11)
#define AT91_PIN_PE12 (0x80 + 12)
#define AT91_PIN_PE13 (0x80 + 13)
#define AT91_PIN_PE14 (0x80 + 14)
#define AT91_PIN_PE15 (0x80 + 15)
#define AT91_PIN_PE16 (0x80 + 16)
#define AT91_PIN_PE17 (0x80 + 17)
#define AT91_PIN_PE18 (0x80 + 18)
#define AT91_PIN_PE19 (0x80 + 19)
#define AT91_PIN_PE20 (0x80 + 20)
#define AT91_PIN_PE21 (0x80 + 21)
#define AT91_PIN_PE22 (0x80 + 22)
#define AT91_PIN_PE23 (0x80 + 23)
#define AT91_PIN_PE24 (0x80 + 24)
#define AT91_PIN_PE25 (0x80 + 25)
#define AT91_PIN_PE26 (0x80 + 26)
#define AT91_PIN_PE27 (0x80 + 27)
#define AT91_PIN_PE28 (0x80 + 28)
#define AT91_PIN_PE29 (0x80 + 29)
#define AT91_PIN_PE30 (0x80 + 30)
#define AT91_PIN_PE31 (0x80 + 31)
enum at91_mux {
AT91_MUX_GPIO = 0,
AT91_MUX_PERIPH_A = 1,
AT91_MUX_PERIPH_B = 2,
AT91_MUX_PERIPH_C = 3,
AT91_MUX_PERIPH_D = 4,
};
/*
* mux the pin
*/
int at91_mux_pin(unsigned pin, enum at91_mux mux, int use_pullup);
/*
* mux the pin to the "GPIO" peripheral role.
*/
static inline int at91_set_GPIO_periph(unsigned pin, int use_pullup)
{
return at91_mux_pin(pin, AT91_MUX_GPIO, use_pullup);
}
/*
* mux the pin to the "A" internal peripheral role.
*/
static inline int at91_set_A_periph(unsigned pin, int use_pullup)
{
return at91_mux_pin(pin, AT91_MUX_PERIPH_A, use_pullup);
}
/*
* mux the pin to the "B" internal peripheral role.
*/
static inline int at91_set_B_periph(unsigned pin, int use_pullup)
{
return at91_mux_pin(pin, AT91_MUX_PERIPH_B, use_pullup);
}
/*
* mux the pin to the "C" internal peripheral role.
*/
static inline int at91_set_C_periph(unsigned pin, int use_pullup)
{
return at91_mux_pin(pin, AT91_MUX_PERIPH_C, use_pullup);
}
/*
* mux the pin to the "C" internal peripheral role.
*/
static inline int at91_set_D_periph(unsigned pin, int use_pullup)
{
return at91_mux_pin(pin, AT91_MUX_PERIPH_D, use_pullup);
}
/*
* mux the pin to the gpio controller (instead of "A" or "B" peripheral), and
* configure it for an input.
*/
int at91_set_gpio_input(unsigned pin, int use_pullup);
/*
* mux the pin to the gpio controller (instead of "A" or "B" peripheral),
* and configure it for an output.
*/
int at91_set_gpio_output(unsigned pin, int value);
/*
* enable/disable the glitch filter; mostly used with IRQ handling.
*/
int at91_set_deglitch(unsigned pin, int is_on);
/*
* enable/disable the multi-driver; This is only valid for output and
* allows the output pin to run as an open collector output.
*/
int at91_set_multi_drive(unsigned pin, int is_on);
extern int at91_set_debounce(unsigned pin, int is_on, int div);
extern int at91_set_pulldown(unsigned pin, int is_on);
extern int at91_disable_schmitt_trig(unsigned pin);
#endif /* __ASM_ARCH_AT91SAM9_GPIO_H */
