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/*
* linux/arch/unicore32/include/asm/gpio.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __UNICORE_GPIO_H__
#define __UNICORE_GPIO_H__
#include <linux/io.h>
#include <asm/irq.h>
#include <mach/hardware.h>
#include <asm-generic/gpio.h>
#define GPI_OTP_INT 0
#define GPI_PCI_INTA 1
#define GPI_PCI_INTB 2
#define GPI_PCI_INTC 3
#define GPI_PCI_INTD 4
#define GPI_BAT_DET 5
#define GPI_SD_CD 6
#define GPI_SOFF_REQ 7
#define GPI_SD_WP 8
#define GPI_LCD_CASE_OFF 9
#define GPO_WIFI_EN 10
#define GPO_HDD_LED 11
#define GPO_VGA_EN 12
#define GPO_LCD_EN 13
#define GPO_LED_DATA 14
#define GPO_LED_CLK 15
#define GPO_CAM_PWR_EN 16
#define GPO_LCD_VCC_EN 17
#define GPO_SOFT_OFF 18
#define GPO_BT_EN 19
#define GPO_FAN_ON 20
#define GPO_SPKR 21
#define GPO_SET_V1 23
#define GPO_SET_V2 24
#define GPO_CPU_HEALTH 25
#define GPO_LAN_SEL 26
#ifdef CONFIG_PUV3_NB0916
#define GPI_BTN_TOUCH 14
#define GPIO_IN 0x000043ff /* 1 for input */
#define GPIO_OUT 0x0fffbc00 /* 1 for output */
#endif /* CONFIG_PUV3_NB0916 */
#ifdef CONFIG_PUV3_SMW0919
#define GPIO_IN 0x000003ff /* 1 for input */
#define GPIO_OUT 0x0ffffc00 /* 1 for output */
#endif /* CONFIG_PUV3_SMW0919 */
#ifdef CONFIG_PUV3_DB0913
#define GPIO_IN 0x000001df /* 1 for input */
#define GPIO_OUT 0x03fee800 /* 1 for output */
#endif /* CONFIG_PUV3_DB0913 */
#define GPIO_DIR (~((GPIO_IN) | 0xf0000000))
/* 0 input, 1 output */
static inline int gpio_get_value(unsigned gpio)
{
if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
return readl(GPIO_GPLR) & GPIO_GPIO(gpio);
else
return __gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
if (value)
writel(GPIO_GPIO(gpio), GPIO_GPSR);
else
writel(GPIO_GPIO(gpio), GPIO_GPCR);
else
__gpio_set_value(gpio, value);
}
#define gpio_cansleep __gpio_cansleep
static inline unsigned gpio_to_irq(unsigned gpio)
{
if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & readl(GPIO_GPIR)))
return IRQ_GPIOLOW0 + gpio;
else
return IRQ_GPIO0 + gpio;
}
static inline unsigned irq_to_gpio(unsigned irq)
{
if (irq < IRQ_GPIOHIGH)
return irq - IRQ_GPIOLOW0;
else
return irq - IRQ_GPIO0;
}
#endif /* __UNICORE_GPIO_H__ */
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