diff options
Diffstat (limited to 'include/asm-cris/arch-v32/io.h')
-rw-r--r-- | include/asm-cris/arch-v32/io.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v32/io.h b/include/asm-cris/arch-v32/io.h new file mode 100644 index 0000000..4c80263 --- /dev/null +++ b/include/asm-cris/arch-v32/io.h @@ -0,0 +1,98 @@ +#ifndef _ASM_ARCH_CRIS_IO_H +#define _ASM_ARCH_CRIS_IO_H + +#include <asm/arch/hwregs/reg_map.h> +#include <asm/arch/hwregs/reg_rdwr.h> +#include <asm/arch/hwregs/gio_defs.h> +#include <linux/config.h> + +enum crisv32_io_dir +{ + crisv32_io_dir_in = 0, + crisv32_io_dir_out = 1 +}; + +struct crisv32_ioport +{ + unsigned long* oe; + unsigned long* data; + unsigned long* data_in; + unsigned int pin_count; +}; + +struct crisv32_iopin +{ + struct crisv32_ioport* port; + int bit; +}; + +extern struct crisv32_ioport crisv32_ioports[]; + +extern struct crisv32_iopin crisv32_led1_green; +extern struct crisv32_iopin crisv32_led1_red; +extern struct crisv32_iopin crisv32_led2_green; +extern struct crisv32_iopin crisv32_led2_red; +extern struct crisv32_iopin crisv32_led3_green; +extern struct crisv32_iopin crisv32_led3_red; + +extern inline void crisv32_io_set(struct crisv32_iopin* iopin, + int val) +{ + if (val) + *iopin->port->data |= iopin->bit; + else + *iopin->port->data &= ~iopin->bit; +} + +extern inline void crisv32_io_set_dir(struct crisv32_iopin* iopin, + enum crisv32_io_dir dir) +{ + if (dir == crisv32_io_dir_in) + *iopin->port->oe &= ~iopin->bit; + else + *iopin->port->oe |= iopin->bit; +} + +extern inline int crisv32_io_rd(struct crisv32_iopin* iopin) +{ + return ((*iopin->port->data_in & iopin->bit) ? 1 : 0); +} + +int crisv32_io_get(struct crisv32_iopin* iopin, + unsigned int port, unsigned int pin); +int crisv32_io_get_name(struct crisv32_iopin* iopin, + char* name); + +#define LED_OFF 0x00 +#define LED_GREEN 0x01 +#define LED_RED 0x02 +#define LED_ORANGE (LED_GREEN | LED_RED) + +#define LED_NETWORK_SET(x) \ + do { \ + LED_NETWORK_SET_G((x) & LED_GREEN); \ + LED_NETWORK_SET_R((x) & LED_RED); \ + } while (0) +#define LED_ACTIVE_SET(x) \ + do { \ + LED_ACTIVE_SET_G((x) & LED_GREEN); \ + LED_ACTIVE_SET_R((x) & LED_RED); \ + } while (0) + +#define LED_NETWORK_SET_G(x) \ + crisv32_io_set(&crisv32_led1_green, !(x)); +#define LED_NETWORK_SET_R(x) \ + crisv32_io_set(&crisv32_led1_red, !(x)); +#define LED_ACTIVE_SET_G(x) \ + crisv32_io_set(&crisv32_led2_green, !(x)); +#define LED_ACTIVE_SET_R(x) \ + crisv32_io_set(&crisv32_led2_red, !(x)); +#define LED_DISK_WRITE(x) \ + do{\ + crisv32_io_set(&crisv32_led3_green, !(x)); \ + crisv32_io_set(&crisv32_led3_red, !(x)); \ + }while(0) +#define LED_DISK_READ(x) \ + crisv32_io_set(&crisv32_led3_green, !(x)); + +#endif |