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/arch/unicore32/include/asm/gpio.h

https://bitbucket.org/ndreys/linux-sunxi
C++ Header | 104 lines | 79 code | 13 blank | 12 comment | 8 complexity | 68dfe9f3fef99ed6b6f99b59d2bfb7f3 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * linux/arch/unicore32/include/asm/gpio.h
  3 *
  4 * Code specific to PKUnity SoC and UniCore ISA
  5 *
  6 * Copyright (C) 2001-2010 GUAN Xue-tao
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License version 2 as
 10 * published by the Free Software Foundation.
 11 */
 12
 13#ifndef __UNICORE_GPIO_H__
 14#define __UNICORE_GPIO_H__
 15
 16#include <linux/io.h>
 17#include <asm/irq.h>
 18#include <mach/hardware.h>
 19#include <asm-generic/gpio.h>
 20
 21#define GPI_OTP_INT             0
 22#define GPI_PCI_INTA            1
 23#define GPI_PCI_INTB            2
 24#define GPI_PCI_INTC            3
 25#define GPI_PCI_INTD            4
 26#define GPI_BAT_DET             5
 27#define GPI_SD_CD               6
 28#define GPI_SOFF_REQ            7
 29#define GPI_SD_WP               8
 30#define GPI_LCD_CASE_OFF        9
 31#define GPO_WIFI_EN             10
 32#define GPO_HDD_LED             11
 33#define GPO_VGA_EN              12
 34#define GPO_LCD_EN              13
 35#define GPO_LED_DATA            14
 36#define GPO_LED_CLK             15
 37#define GPO_CAM_PWR_EN          16
 38#define GPO_LCD_VCC_EN          17
 39#define GPO_SOFT_OFF            18
 40#define GPO_BT_EN               19
 41#define GPO_FAN_ON              20
 42#define GPO_SPKR                21
 43#define GPO_SET_V1              23
 44#define GPO_SET_V2              24
 45#define GPO_CPU_HEALTH          25
 46#define GPO_LAN_SEL             26
 47
 48#ifdef CONFIG_PUV3_NB0916
 49#define GPI_BTN_TOUCH		14
 50#define GPIO_IN			0x000043ff /* 1 for input */
 51#define GPIO_OUT		0x0fffbc00 /* 1 for output */
 52#endif	/* CONFIG_PUV3_NB0916 */
 53
 54#ifdef CONFIG_PUV3_SMW0919
 55#define GPIO_IN			0x000003ff /* 1 for input */
 56#define GPIO_OUT		0x0ffffc00 /* 1 for output */
 57#endif  /* CONFIG_PUV3_SMW0919 */
 58
 59#ifdef CONFIG_PUV3_DB0913
 60#define GPIO_IN			0x000001df /* 1 for input */
 61#define GPIO_OUT		0x03fee800 /* 1 for output */
 62#endif  /* CONFIG_PUV3_DB0913 */
 63
 64#define GPIO_DIR                (~((GPIO_IN) | 0xf0000000))
 65				/* 0 input, 1 output */
 66
 67static inline int gpio_get_value(unsigned gpio)
 68{
 69	if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
 70		return readl(GPIO_GPLR) & GPIO_GPIO(gpio);
 71	else
 72		return __gpio_get_value(gpio);
 73}
 74
 75static inline void gpio_set_value(unsigned gpio, int value)
 76{
 77	if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
 78		if (value)
 79			writel(GPIO_GPIO(gpio), GPIO_GPSR);
 80		else
 81			writel(GPIO_GPIO(gpio), GPIO_GPCR);
 82	else
 83		__gpio_set_value(gpio, value);
 84}
 85
 86#define gpio_cansleep	__gpio_cansleep
 87
 88static inline unsigned gpio_to_irq(unsigned gpio)
 89{
 90	if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & readl(GPIO_GPIR)))
 91		return IRQ_GPIOLOW0 + gpio;
 92	else
 93		return IRQ_GPIO0 + gpio;
 94}
 95
 96static inline unsigned irq_to_gpio(unsigned irq)
 97{
 98	if (irq < IRQ_GPIOHIGH)
 99		return irq - IRQ_GPIOLOW0;
100	else
101		return irq - IRQ_GPIO0;
102}
103
104#endif /* __UNICORE_GPIO_H__ */