📄 hil.h
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#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
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