-#include <linux/spinlock.h>
-
-u32 scx200_gpio_configure(int index, u32 set, u32 clear);
+u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear);
extern unsigned scx200_gpio_base;
-extern long scx200_gpio_shadow[2];
+extern unsigned long scx200_gpio_shadow[2];
+extern struct nsc_gpio_ops scx200_gpio_ops;
#define scx200_gpio_present() (scx200_gpio_base!=0)
/* Definitions to make sure I do the same thing in all functions */
#define __SCx200_GPIO_BANK unsigned bank = index>>5
#define __SCx200_GPIO_IOADDR unsigned short ioaddr = scx200_gpio_base+0x10*bank
-#define __SCx200_GPIO_SHADOW long *shadow = scx200_gpio_shadow+bank
+#define __SCx200_GPIO_SHADOW unsigned long *shadow = scx200_gpio_shadow+bank
#define __SCx200_GPIO_INDEX index &= 31
#define __SCx200_GPIO_OUT __asm__ __volatile__("outsl":"=mS" (shadow):"d" (ioaddr), "0" (shadow))
/* returns the value of the GPIO pin */
-static inline int scx200_gpio_get(int index) {
+static inline int scx200_gpio_get(unsigned index) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_IOADDR + 0x04;
__SCx200_GPIO_INDEX;
driven if the GPIO is configured as an output, it might not be the
state of the GPIO right now if the GPIO is configured as an input) */
-static inline int scx200_gpio_current(int index) {
+static inline int scx200_gpio_current(unsigned index) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_INDEX;
/* drive the GPIO signal high */
-static inline void scx200_gpio_set_high(int index) {
+static inline void scx200_gpio_set_high(unsigned index) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_IOADDR;
__SCx200_GPIO_SHADOW;
__SCx200_GPIO_INDEX;
- set_bit(index, shadow);
+ set_bit(index, shadow); /* __set_bit()? */
__SCx200_GPIO_OUT;
}
/* drive the GPIO signal low */
-static inline void scx200_gpio_set_low(int index) {
+static inline void scx200_gpio_set_low(unsigned index) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_IOADDR;
__SCx200_GPIO_SHADOW;
__SCx200_GPIO_INDEX;
- clear_bit(index, shadow);
+ clear_bit(index, shadow); /* __clear_bit()? */
__SCx200_GPIO_OUT;
}
/* drive the GPIO signal to state */
-static inline void scx200_gpio_set(int index, int state) {
+static inline void scx200_gpio_set(unsigned index, int state) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_IOADDR;
__SCx200_GPIO_SHADOW;
}
/* toggle the GPIO signal */
-static inline void scx200_gpio_change(int index) {
+static inline void scx200_gpio_change(unsigned index) {
__SCx200_GPIO_BANK;
__SCx200_GPIO_IOADDR;
__SCx200_GPIO_SHADOW;