diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/scx200_gpio.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/scx200_gpio.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/ANDROID_3.4.5/include/linux/scx200_gpio.h b/ANDROID_3.4.5/include/linux/scx200_gpio.h deleted file mode 100644 index ece4e553..00000000 --- a/ANDROID_3.4.5/include/linux/scx200_gpio.h +++ /dev/null @@ -1,88 +0,0 @@ -u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear); - -extern unsigned scx200_gpio_base; -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 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(unsigned index) { - __SCx200_GPIO_BANK; - __SCx200_GPIO_IOADDR + 0x04; - __SCx200_GPIO_INDEX; - - return (inl(ioaddr) & (1<<index)) ? 1 : 0; -} - -/* return the value driven on the GPIO signal (the value that will be - 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(unsigned index) { - __SCx200_GPIO_BANK; - __SCx200_GPIO_INDEX; - - return (scx200_gpio_shadow[bank] & (1<<index)) ? 1 : 0; -} - -/* drive the GPIO signal high */ - -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()? */ - __SCx200_GPIO_OUT; -} - -/* drive the GPIO signal low */ - -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()? */ - __SCx200_GPIO_OUT; -} - -/* drive the GPIO signal to state */ - -static inline void scx200_gpio_set(unsigned index, int state) { - __SCx200_GPIO_BANK; - __SCx200_GPIO_IOADDR; - __SCx200_GPIO_SHADOW; - __SCx200_GPIO_INDEX; - if (state) - set_bit(index, shadow); - else - clear_bit(index, shadow); - __SCx200_GPIO_OUT; -} - -/* toggle the GPIO signal */ -static inline void scx200_gpio_change(unsigned index) { - __SCx200_GPIO_BANK; - __SCx200_GPIO_IOADDR; - __SCx200_GPIO_SHADOW; - __SCx200_GPIO_INDEX; - change_bit(index, shadow); - __SCx200_GPIO_OUT; -} - -#undef __SCx200_GPIO_BANK -#undef __SCx200_GPIO_IOADDR -#undef __SCx200_GPIO_SHADOW -#undef __SCx200_GPIO_INDEX -#undef __SCx200_GPIO_OUT |