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 gpio_get_value(unsigned gpio)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 gpio_set_value(unsigned gpio,int value)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 gpio_to_irq(unsigned gpio)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 irq_to_gpio(unsigned irq)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__ */ 105
