gsc.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #ifndef ASM_PARISC_GSC_H
- #define ASM_PARISC_GSC_H
- #ifdef __KERNEL__
- #include <linux/types.h>
- #include <asm/io.h> /* temporary for __raw_{read,write} */
- /* Please, call ioremap and use {read,write}[bwl] instead. These functions
- * are not very fast.
- */
- #define gsc_readb(x) __raw_readb((unsigned long)x)
- #define gsc_readw(x) __raw_readw((unsigned long)x)
- #define gsc_readl(x) __raw_readl((unsigned long)x)
- #define gsc_writeb(x, y) __raw_writeb(x, (unsigned long)y)
- #define gsc_writew(x, y) __raw_writew(x, (unsigned long)y)
- #define gsc_writel(x, y) __raw_writel(x, (unsigned long)y)
- struct gsc_irq {
- unsigned long txn_addr; /* IRQ "target" */
- int txn_data; /* HW "IRQ" */
- int irq; /* virtual IRQ */
- };
- /* PA I/O Architected devices support at least 5 bits in the EIM register. */
- #define GSC_EIM_WIDTH 5
- extern int gsc_alloc_irq(struct gsc_irq *dev); /* dev needs an irq */
- extern int gsc_claim_irq(struct gsc_irq *dev, int irq); /* dev needs this irq */
- extern void probe_serial_gsc(void);
- #endif /* __KERNEL__ */
- #endif /* LINUX_GSC_H */