e5abf78b57
-- by advice of Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/*
|
|
* 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__ */
|