- 根目录:
- arch
- sparc
- include
- asm
- io_32.h
#ifndef __SPARC_IO_H
#define __SPARC_IO_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <asm/page.h>
#include <asm/system.h>
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
static inline u32 flip_dword (u32 l)
{
return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
}
static inline u16 flip_word (u16 w)
{
return ((w&0xff) << 8) | ((w>>8)&0xff);
}
#define mmiowb()
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __raw_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 __raw_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __raw_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void __raw_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
static inline u8 __readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 __readw(const volatile void __iomem *addr)
{
return flip_word(*(__force volatile u16 *)addr);
}
static inline u32 __readl(const volatile void __iomem *addr)
{
return flip_dword(*(__force volatile u32 *)addr);
}
static inline void __writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void __writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = flip_word(w);
}
static inline void __writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = flip_dword(l);
}
#define readb(__addr) __readb(__addr)
#define readw(__addr) __readw(__addr)
#define readl(__addr) __readl(__addr)
#define readb_relaxed(__addr) readb(__addr)
#define readw_relaxed(__addr) readw(__addr)
#define readl_relaxed(__addr) readl(__addr)
#define writeb(__b, __addr) __writeb((__b),(__addr))
#define writew(__w, __addr) __writew((__w),(__addr))
#define writel(__l, __addr) __writel((__l),(__addr))
#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr))
#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr))
#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr))
#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr))
#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr))
#define inb_p(__addr) inb(__addr)
#define outb_p(__b, __addr) outb(__b, __addr)
#define inw_p(__addr) inw(__addr)
#define outw_p(__w, __addr) outw(__w, __addr)
#define inl_p(__addr) inl(__addr)
#define outl_p(__l, __addr) outl(__l, __addr)
void outsb(unsigned long addr, const void *src, unsigned long cnt);
void outsw(unsigned long addr, const void *src, unsigned long cnt);
void outsl(unsigned long addr, const void *src, unsigned long cnt);
void insb(unsigned long addr, void *dst, unsigned long count);
void insw(unsigned long addr, void *dst, unsigned long count);
void insl(unsigned long addr, void *dst, unsigned long count);
#define IO_SPACE_LIMIT 0xffffffff
static inline u8 _sbus_readb(const volatile void __iomem *addr)
{
return *(__force volatile u8 *)addr;
}
static inline u16 _sbus_readw(const volatile void __iomem *addr)
{
return *(__force volatile u16 *)addr;
}
static inline u32 _sbus_readl(const volatile void __iomem *addr)
{
return *(__force volatile u32 *)addr;
}
static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
*(__force volatile u8 *)addr = b;
}
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
*(__force volatile u16 *)addr = w;
}
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
*(__force volatile u32 *)addr = l;
}
#define sbus_readb(__addr) _sbus_readb(__addr)
#define sbus_readw(__addr) _sbus_readw(__addr)
#define sbus_readl(__addr) _sbus_readl(__addr)
#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, __dst);
__dst++;
}
}
static inline void
_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
volatile void __iomem *d = dst;
while (n--) {
writeb(c, d);
d++;
}
}
#define memset_io(d,c,sz) _memset_io(d,c,sz)
static inline void
_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
__kernel_size_t n)
{
char *d = dst;
while (n--) {
char tmp = sbus_readb(src);
*d++ = tmp;
src++;
}
}
#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz)
static inline void
_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
{
char *d = dst;
while (n--) {
char tmp = readb(src);
*d++ = tmp;
src++;
}
}
#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
static inline void
_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
__kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
sbus_writeb(tmp, d);
d++;
}
}
#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz)
static inline void
_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
{
const char *s = src;
volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
writeb(tmp, d);
d++;
}
}
#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
#ifdef __KERNEL__
extern void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_nocache(X,Y) ioremap((X),(Y))
#define ioremap_wc(X,Y) ioremap((X),(Y))
extern void iounmap(volatile void __iomem *addr);
#define ioread8(X) readb(X)
#define ioread16(X) readw(X)
#define ioread16be(X) __raw_readw(X)
#define ioread32(X) readl(X)
#define ioread32be(X) __raw_readl(X)
#define iowrite8(val,X) writeb(val,X)
#define iowrite16(val,X) writew(val,X)
#define iowrite16be(val,X) __raw_writew(val,X)
#define iowrite32(val,X) writel(val,X)
#define iowrite32be(val,X) __raw_writel(val,X)
static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
{
insb((unsigned long __force)port, buf, count);
}
static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
{
insw((unsigned long __force)port, buf, count);
}
static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
{
insl((unsigned long __force)port, buf, count);
}
static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsb((unsigned long __force)port, buf, count);
}
static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsw((unsigned long __force)port, buf, count);
}
static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
{
outsl((unsigned long __force)port, buf, count);
}
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
struct pci_dev;
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#define RTC_PORT(x) (rtc_port + (x))
#define RTC_ALWAYS_BCD 0
static inline int sbus_can_dma_64bit(void)
{
return 0;
}
static inline int sbus_can_burst64(void)
{
return 0;
}
struct device;
extern void sbus_set_sbus64(struct device *, int);
#endif
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
#define xlate_dev_mem_ptr(p) __va(p)
#define xlate_dev_kmem_ptr(p) p
#endif
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