diff options
Diffstat (limited to 'include/asm-parisc/hil.h')
| -rw-r--r-- | include/asm-parisc/hil.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-parisc/hil.h b/include/asm-parisc/hil.h new file mode 100644 index 000000000..9112f9bf5 --- /dev/null +++ b/include/asm-parisc/hil.h @@ -0,0 +1,26 @@ +#ifndef _ASM_HIL_H +#define _ASM_HIL_H + +/* + * linux/asm-parisc/hil.h + * + * (c) 1999 Matthew Wilcox + */ + +extern unsigned long hil_base; /* declared in drivers/gsc/hil.c */ +extern unsigned int hil_irq; + +#define HILBASE hil_base /* 0xf0821000 (old) or 0xf0201000 (new) */ +#define HIL_DATA 0x800 +#define HIL_CMD 0x801 + +#define HIL_IRQ hil_irq + +#define hil_busy() (gsc_readb(HILBASE + HIL_CMD) & HIL_BUSY) +#define hil_data_available() (gsc_readb(HILBASE + HIL_CMD) & HIL_DATA_RDY) +#define hil_status() (gsc_readb(HILBASE + HIL_CMD)) +#define hil_command(x) do { gsc_writeb((x), HILBASE + HIL_CMD); } while (0) +#define hil_read_data() (gsc_readb(HILBASE + HIL_DATA)) +#define hil_write_data(x) do { gsc_writeb((x), HILBASE + HIL_DATA); } while (0) + +#endif |