diff options
Diffstat (limited to 'package/gpio_rtl8196c/src')
| -rw-r--r-- | package/gpio_rtl8196c/src/Makefile | 8 | ||||
| -rw-r--r-- | package/gpio_rtl8196c/src/gpio_rtl8196c.c | 239 |
2 files changed, 0 insertions, 247 deletions
diff --git a/package/gpio_rtl8196c/src/Makefile b/package/gpio_rtl8196c/src/Makefile deleted file mode 100644 index 6740c78db..000000000 --- a/package/gpio_rtl8196c/src/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -#ifeq (${MODVERSIONS},yes) -# MVER=-DMODVERSIONS -DEXPORT_SYMTAB -#endif - - -obj-$(if $(CONFIG_GPIO_RTL8196C),m) += gpio_rtl8196c.o - - diff --git a/package/gpio_rtl8196c/src/gpio_rtl8196c.c b/package/gpio_rtl8196c/src/gpio_rtl8196c.c deleted file mode 100644 index c2aae8d67..000000000 --- a/package/gpio_rtl8196c/src/gpio_rtl8196c.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * - * - * Copyright (C)2006-2008 by - * All rights reserved. - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/gpio.h> -#include <linux/stat.h> -#include <linux/moduleparam.h> -#include <linux/irq.h> - -//////////////////////////////////////////////////////////////////////// -//DEBUG macroses -#define MOD_NAME "gpio_rtl8196c" - -#ifdef DEBUG - #define PRINT( format, args ...) printk( "%15s:%3d = " format, MOD_NAME,__LINE__, ##args) -#else - #define PRINT( format, args ...) ; -#endif - -//////////////////////////////////////////////////////////////////////// -#define RTL8196C_BASE_ADDR 0xb8000000 -#define RTL8196C_GPIO_ADDR (RTL8196C_BASE_ADDR + 0x3500) -#define RTL8196C_GPIO_PABCD_CNT_ADDR (RTL8196C_GPIO_ADDR + 0x00) -#define RTL8196C_GPIO_PABCD_TYPE_ADDR (RTL8196C_GPIO_ADDR + 0x00) -#define RTL8196C_GPIO_PABCD_DIR_ADDR (RTL8196C_GPIO_ADDR + 0x08) -#define RTL8196C_GPIO_PABCD_DAT_ADDR (RTL8196C_GPIO_ADDR + 0x0c) -#define RTL8196C_GPIO_PABCD_ISR_ADDR (RTL8196C_GPIO_ADDR + 0x10) -#define RTL8196C_GPIO_PAB_IMR_ADDR (RTL8196C_GPIO_ADDR + 0x14) -#define RTL8196C_GPIO_PCD_IMR_ADDR (RTL8196C_GPIO_ADDR + 0x18) - -#define RTL8196C_MUX_ADDR (RTL8196C_BASE_ADDR + 0x40) - -static int g_muxdummy; - -//gpio shared pin mapping list -#define RTL8196C_GPIO_SPML_LED_S0 //LED_PORT0,GPIOB2 -#define RTL8196C_GPIO_SPML_LED_S1 //LED_PORT1,GPIOB3 -#define RTL8196C_GPIO_SPML_LED_S2 //LED_PORT2,GPIOB4 -#define RTL8196C_GPIO_SPML_LED_S3 //LED_PORT3,GPIOB5 -#define RTL8196C_GPIO_SPML_LED_P0 //LED_PORT4,GPIOB6 -#define RTL8196C_GPIO_SPML_LED_P1 //GPIOB7 -#define RTL8196C_GPIO_SPML_LED_P2 //GPIOC0 -#define RTL8196C_GPIO_SPML_MEM //NF_CS1#MCS1, DRAM_CKE, GPIOA[1:0] -#define RTL8196C_GPIO_SPML_JTAG //JTAG, GPIOA[6:2] -#define RTL8196C_GPIO_SPML_UART -#define RTL8196C_GPIO_SPML_PCIE - -static uint32_t rtl8196c_mux_value = 0x340FFF; - -struct rtl_gpio_chip -{ - struct gpio_chip chip; - uint32_t gpio_cnt; - uint32_t gpio_data; - uint32_t gpio_dir; - volatile uint8_t* regs; - spinlock_t lock;/* Lock used for synchronization */ -}; - -extern struct rtl_gpio_chip gpio_rtl8196c; - -static inline struct rtl_gpio_chip *to_rtl_gpio_chip(struct gpio_chip *gc) -{ - return container_of(gc, struct rtl_gpio_chip, chip); -} - -//////////////////////////////////////////////////////////////////////// -//configure ports as GPIO -static int param_set_rtl8196c_mux( const char *val, struct kernel_param *kp ) -{ - volatile uint32_t *mux = (uint32_t *)RTL8196C_MUX_ADDR; - unsigned long flags; - - PRINT("param_set_rtl8196c_mux\n"); - if ( !val ) - { - return -EINVAL; - } - if ( sscanf( val, "0x%x", &rtl8196c_mux_value ) < 0 ) - { - PRINT("err val\n"); - return -EINVAL; - } - spin_lock_irqsave(&gpio_rtl8196c.lock, flags); - PRINT("mux set 0x%08x\n",rtl8196c_mux_value); - *mux = rtl8196c_mux_value; - spin_unlock_irqrestore(&gpio_rtl8196c.lock, flags); - return 0; -} - -#define param_check_rtl8196c_mux(a,b) ;; - -//////////////////////////////////////////////////////////////////////// -//get current configured port value -static int param_get_rtl8196c_mux( char *buf, struct kernel_param *kp ) -{ - volatile uint32_t *mux = (uint32_t*)RTL8196C_MUX_ADDR; - unsigned long flags; - - PRINT("param_get_rtl8196c_mux\n"); - spin_lock_irqsave(&gpio_rtl8196c.lock, flags); - sprintf( buf, "0x%x", *mux ); - spin_unlock_irqrestore(&gpio_rtl8196c.lock, flags); - return strlen( buf ); -} - -module_param_named(rtl8196c_mux, g_muxdummy, rtl8196c_mux, S_IRUGO | S_IWUSR); - -//////////////////////////////////////////////////////////////////////// -static int gpio_rtl8196c_dir_in( struct gpio_chip *chip, unsigned int gpio ) -{ - volatile uint32_t *dir = (uint32_t*)RTL8196C_GPIO_PABCD_DIR_ADDR; - unsigned long flags; - struct rtl_gpio_chip *rgc = to_rtl_gpio_chip( chip ); - - PRINT("gpio_rtl8196c_dir_in\n"); - PRINT("offset = %d\n", gpio); - - spin_lock_irqsave(rgc->lock, flags); - rgc->gpio_dir &= ~(1 << gpio); - *dir = rgc->gpio_dir; - spin_unlock_irqrestore(rgc->lock, flags); - - return 0; -} - - -//////////////////////////////////////////////////////////////////////// -static int gpio_rtl8196c_dir_out( struct gpio_chip *chip, unsigned int gpio ) -{ - volatile uint32_t *dir = (uint32_t*)RTL8196C_GPIO_PABCD_DIR_ADDR; - unsigned long flags; - struct rtl_gpio_chip *rgc = to_rtl_gpio_chip( chip ); - - PRINT("gpio_rtl8196c_dir_out\n"); - PRINT("offset = %d\n", gpio); - - spin_lock_irqsave(rgc->lock, flags); - rgc->gpio_dir |= (1 << gpio); - *dir = rgc->gpio_dir; - spin_unlock_irqrestore(rgc->lock, flags); - - return 0; -} - - -//////////////////////////////////////////////////////////////////////// -static int gpio_rtl8196c_get( struct gpio_chip *chip, unsigned int gpio ) -{ - volatile uint32_t *dat = (uint32_t*)RTL8196C_GPIO_PABCD_DAT_ADDR; - int res=0; - unsigned long flags; - struct rtl_gpio_chip *rgc = to_rtl_gpio_chip( chip ); - - PRINT("gpio_rtl8196c_get\n"); - PRINT("offset = %d\n", gpio); - - spin_lock_irqsave(rgc->lock, flags); - //or get it from data register? - res = ((*dat)>>gpio)&0x1; - spin_unlock_irqrestore(rgc->lock, flags); - return res; -} - - -//////////////////////////////////////////////////////////////////////// -static void gpio_rtl8196c_set( struct gpio_chip *chip, unsigned int gpio, int value ) -{ - volatile uint32_t *dat = (uint32_t*)RTL8196C_GPIO_PABCD_DAT_ADDR; - int res=0; - unsigned long flags; - struct rtl_gpio_chip *rgc = to_rtl_gpio_chip( chip ); - - PRINT("gpio_rtl8196c_set\n"); - PRINT("offset = %d = %d\n", gpio, value); - - spin_lock_irqsave(rgc->lock, flags); - if ( value ) - rgc->gpio_data |= (1 << gpio); - else - rgc->gpio_data &= ~(1 << gpio); - *dat = rgc->gpio_data; - spin_unlock_irqrestore(rgc->lock, flags); - -} - -//////////////////////////////////////////////////////////////////////// -static int gpio_rtl8196c_to_irq(struct gpio_chip *chip, unsigned offset) -{ - return -EINVAL; -} - -//////////////////////////////////////////////////////////////////////// -//init module -struct rtl_gpio_chip gpio_rtl8196c = -{ - .chip = { - .label = "gpio_rtl8196c", - .direction_input = gpio_rtl8196c_dir_in, - .get = gpio_rtl8196c_get, - .direction_output = gpio_rtl8196c_dir_out, - .set = gpio_rtl8196c_set, - .to_irq = gpio_rtl8196c_to_irq, - .base = 0, - .ngpio = 32, - }, - .gpio_dir = 0x0, -}; - -static int __init gpio_rtl8196c_init( void ) -{ - PRINT("Start\n"); - gpiochip_add( &gpio_rtl8196c.chip ); - return 0; -} - -//////////////////////////////////////////////////////////////////////// -//exit from module -static int gpio_rtl8196c_exit( void ) -{ - PRINT("End\n"); - gpiochip_remove( &gpio_rtl8196c.chip ); - return 0; -} - - - -MODULE_AUTHOR("Artur Artamonov"); -MODULE_DESCRIPTION("gpio_rtl8196c"); -MODULE_LICENSE("GPL"); - -module_init( gpio_rtl8196c_init ); -module_exit( gpio_rtl8196c_exit ); |