LXR linux-old/include/asm-parisc/gsc.h

   1#ifndef ASM_PARISC_GSC_H
   2#define ASM_PARISC_GSC_H
   3#ifdef __KERNEL__
   4
   5#include <linux/types.h>
   6#include <asm/io.h> /* temporary for __raw_{read,write} */
   7
   8/* Please, call ioremap and use {read,write}[bwl] instead.  These functions
   9 * are not very fast.
  10 */
  11#define gsc_readb(x) __raw_readb((unsigned long)x)
  12#define gsc_readw(x) __raw_readw((unsigned long)x)
  13#define gsc_readl(x) __raw_readl((unsigned long)x)
  14#define gsc_writeb(x, y) __raw_writeb(x, (unsigned long)y)
  15#define gsc_writew(x, y) __raw_writew(x, (unsigned long)y)
  16#define gsc_writel(x, y) __raw_writel(x, (unsigned long)y)
  17
  18struct gsc_irq {
  19        unsigned long txn_addr; /* IRQ "target" */
  20        int txn_data;           /* HW "IRQ" */
  21        int irq;                /* virtual IRQ */
  22};
  23
  24/* PA I/O Architected devices support at least 5 bits in the EIM register. */
  25#define GSC_EIM_WIDTH 5
  26
  27extern int gsc_alloc_irq(struct gsc_irq *dev);  /* dev needs an irq */
  28extern int gsc_claim_irq(struct gsc_irq *dev, int irq); /* dev needs this irq */
  29
  30extern void probe_serial_gsc(void);
  31
  32#endif /* __KERNEL__ */
  33#endif /* LINUX_GSC_H */
  34