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e5abf78b57
-- by advice of Arnd Bergmann Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* linux/arch/unicore32/include/asm/gpio.h
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*
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* Code specific to PKUnity SoC and UniCore ISA
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*
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* Copyright (C) 2001-2010 GUAN Xue-tao
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __UNICORE_GPIO_H__
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#define __UNICORE_GPIO_H__
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#include <linux/io.h>
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#include <asm/irq.h>
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#include <mach/hardware.h>
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#include <asm-generic/gpio.h>
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#define GPI_OTP_INT 0
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#define GPI_PCI_INTA 1
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#define GPI_PCI_INTB 2
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#define GPI_PCI_INTC 3
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#define GPI_PCI_INTD 4
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#define GPI_BAT_DET 5
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#define GPI_SD_CD 6
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#define GPI_SOFF_REQ 7
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#define GPI_SD_WP 8
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#define GPI_LCD_CASE_OFF 9
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#define GPO_WIFI_EN 10
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#define GPO_HDD_LED 11
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#define GPO_VGA_EN 12
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#define GPO_LCD_EN 13
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#define GPO_LED_DATA 14
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#define GPO_LED_CLK 15
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#define GPO_CAM_PWR_EN 16
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#define GPO_LCD_VCC_EN 17
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#define GPO_SOFT_OFF 18
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#define GPO_BT_EN 19
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#define GPO_FAN_ON 20
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#define GPO_SPKR 21
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#define GPO_SET_V1 23
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#define GPO_SET_V2 24
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#define GPO_CPU_HEALTH 25
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#define GPO_LAN_SEL 26
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#ifdef CONFIG_PUV3_NB0916
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#define GPI_BTN_TOUCH 14
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#define GPIO_IN 0x000043ff /* 1 for input */
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#define GPIO_OUT 0x0fffbc00 /* 1 for output */
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#endif /* CONFIG_PUV3_NB0916 */
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#ifdef CONFIG_PUV3_SMW0919
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#define GPIO_IN 0x000003ff /* 1 for input */
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#define GPIO_OUT 0x0ffffc00 /* 1 for output */
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#endif /* CONFIG_PUV3_SMW0919 */
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#ifdef CONFIG_PUV3_DB0913
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#define GPIO_IN 0x000001df /* 1 for input */
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#define GPIO_OUT 0x03fee800 /* 1 for output */
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#endif /* CONFIG_PUV3_DB0913 */
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#define GPIO_DIR (~((GPIO_IN) | 0xf0000000))
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/* 0 input, 1 output */
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static inline int gpio_get_value(unsigned gpio)
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{
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if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
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return readl(GPIO_GPLR) & GPIO_GPIO(gpio);
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else
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return __gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
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if (value)
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writel(GPIO_GPIO(gpio), GPIO_GPSR);
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else
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writel(GPIO_GPIO(gpio), GPIO_GPCR);
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else
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__gpio_set_value(gpio, value);
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}
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#define gpio_cansleep __gpio_cansleep
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static inline unsigned gpio_to_irq(unsigned gpio)
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{
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if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & readl(GPIO_GPIR)))
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return IRQ_GPIOLOW0 + gpio;
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else
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return IRQ_GPIO0 + gpio;
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}
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static inline unsigned irq_to_gpio(unsigned irq)
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{
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if (irq < IRQ_GPIOHIGH)
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return irq - IRQ_GPIOLOW0;
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else
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return irq - IRQ_GPIO0;
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}
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#endif /* __UNICORE_GPIO_H__ */
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