| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391 | /* * linux/include/asm-m68k/io.h * * 4/1/00 RZ: - rewritten to avoid clashes between ISA/PCI and other *              IO access *            - added Q40 support *            - added skeleton for GG-II and Amiga PCMCIA * 2/3/01 RZ: - moved a few more defs into raw_io.h * * inX/outX should not be used by any driver unless it does * ISA access. Other drivers should use function defined in raw_io.h * or define its own macros on top of these. * *    inX(),outX()              are for ISA I/O *    isa_readX(),isa_writeX()  are for ISA memory */#ifndef _IO_H#define _IO_H#ifdef __KERNEL__#include <linux/compiler.h>#include <asm/raw_io.h>#include <asm/virtconvert.h>#include <asm-generic/iomap.h>#ifdef CONFIG_ATARI#include <asm/atarihw.h>#endif/* * IO/MEM definitions for various ISA bridges */#ifdef CONFIG_Q40#define q40_isa_io_base  0xff400000#define q40_isa_mem_base 0xff800000#define Q40_ISA_IO_B(ioaddr) (q40_isa_io_base+1+4*((unsigned long)(ioaddr)))#define Q40_ISA_IO_W(ioaddr) (q40_isa_io_base+  4*((unsigned long)(ioaddr)))#define Q40_ISA_MEM_B(madr)  (q40_isa_mem_base+1+4*((unsigned long)(madr)))#define Q40_ISA_MEM_W(madr)  (q40_isa_mem_base+  4*((unsigned long)(madr)))#define MULTI_ISA 0#endif /* Q40 */#ifdef CONFIG_AMIGA_PCMCIA#include <asm/amigayle.h>#define AG_ISA_IO_B(ioaddr) ( GAYLE_IO+(ioaddr)+(((ioaddr)&1)*GAYLE_ODD) )#define AG_ISA_IO_W(ioaddr) ( GAYLE_IO+(ioaddr) )#ifndef MULTI_ISA#define MULTI_ISA 0#else#undef MULTI_ISA#define MULTI_ISA 1#endif#endif /* AMIGA_PCMCIA */#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)#define HAVE_ARCH_PIO_SIZE#define PIO_OFFSET	0#define PIO_MASK	0xffff#define PIO_RESERVED	0x10000u8 mcf_pci_inb(u32 addr);u16 mcf_pci_inw(u32 addr);u32 mcf_pci_inl(u32 addr);void mcf_pci_insb(u32 addr, u8 *buf, u32 len);void mcf_pci_insw(u32 addr, u16 *buf, u32 len);void mcf_pci_insl(u32 addr, u32 *buf, u32 len);void mcf_pci_outb(u8 v, u32 addr);void mcf_pci_outw(u16 v, u32 addr);void mcf_pci_outl(u32 v, u32 addr);void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len);void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len);void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len);#define	inb	mcf_pci_inb#define	inb_p	mcf_pci_inb#define	inw	mcf_pci_inw#define	inw_p	mcf_pci_inw#define	inl	mcf_pci_inl#define	inl_p	mcf_pci_inl#define	insb	mcf_pci_insb#define	insw	mcf_pci_insw#define	insl	mcf_pci_insl#define	outb	mcf_pci_outb#define	outb_p	mcf_pci_outb#define	outw	mcf_pci_outw#define	outw_p	mcf_pci_outw#define	outl	mcf_pci_outl#define	outl_p	mcf_pci_outl#define	outsb	mcf_pci_outsb#define	outsw	mcf_pci_outsw#define	outsl	mcf_pci_outsl#define readb(addr)	in_8(addr)#define writeb(v, addr)	out_8((addr), (v))#define readw(addr)	in_le16(addr)#define writew(v, addr)	out_le16((addr), (v))#elif defined(CONFIG_ISA)#if MULTI_ISA == 0#undef MULTI_ISA#endif#define ISA_TYPE_Q40 (1)#define ISA_TYPE_AG  (2)#if defined(CONFIG_Q40) && !defined(MULTI_ISA)#define ISA_TYPE ISA_TYPE_Q40#define ISA_SEX  0#endif#if defined(CONFIG_AMIGA_PCMCIA) && !defined(MULTI_ISA)#define ISA_TYPE ISA_TYPE_AG#define ISA_SEX  1#endif#ifdef MULTI_ISAextern int isa_type;extern int isa_sex;#define ISA_TYPE isa_type#define ISA_SEX  isa_sex#endif/* * define inline addr translation functions. Normally only one variant will * be compiled in so the case statement will be optimised away */static inline u8 __iomem *isa_itb(unsigned long addr){  switch(ISA_TYPE)    {#ifdef CONFIG_Q40    case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_IO_B(addr);#endif#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr);#endif    default: return NULL; /* avoid warnings, just in case */    }}static inline u16 __iomem *isa_itw(unsigned long addr){  switch(ISA_TYPE)    {#ifdef CONFIG_Q40    case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_IO_W(addr);#endif#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr);#endif    default: return NULL; /* avoid warnings, just in case */    }}static inline u32 __iomem *isa_itl(unsigned long addr){  switch(ISA_TYPE)    {#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: return (u32 __iomem *)AG_ISA_IO_W(addr);#endif    default: return 0; /* avoid warnings, just in case */    }}static inline u8 __iomem *isa_mtb(unsigned long addr){  switch(ISA_TYPE)    {#ifdef CONFIG_Q40    case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_MEM_B(addr);#endif#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: return (u8 __iomem *)addr;#endif    default: return NULL; /* avoid warnings, just in case */    }}static inline u16 __iomem *isa_mtw(unsigned long addr){  switch(ISA_TYPE)    {#ifdef CONFIG_Q40    case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_MEM_W(addr);#endif#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: return (u16 __iomem *)addr;#endif    default: return NULL; /* avoid warnings, just in case */    }}#define isa_inb(port)      in_8(isa_itb(port))#define isa_inw(port)      (ISA_SEX ? in_be16(isa_itw(port)) : in_le16(isa_itw(port)))#define isa_inl(port)      (ISA_SEX ? in_be32(isa_itl(port)) : in_le32(isa_itl(port)))#define isa_outb(val,port) out_8(isa_itb(port),(val))#define isa_outw(val,port) (ISA_SEX ? out_be16(isa_itw(port),(val)) : out_le16(isa_itw(port),(val)))#define isa_outl(val,port) (ISA_SEX ? out_be32(isa_itl(port),(val)) : out_le32(isa_itl(port),(val)))#define isa_readb(p)       in_8(isa_mtb((unsigned long)(p)))#define isa_readw(p)       \	(ISA_SEX ? in_be16(isa_mtw((unsigned long)(p)))	\		 : in_le16(isa_mtw((unsigned long)(p))))#define isa_writeb(val,p)  out_8(isa_mtb((unsigned long)(p)),(val))#define isa_writew(val,p)  \	(ISA_SEX ? out_be16(isa_mtw((unsigned long)(p)),(val))	\		 : out_le16(isa_mtw((unsigned long)(p)),(val)))static inline void isa_delay(void){  switch(ISA_TYPE)    {#ifdef CONFIG_Q40    case ISA_TYPE_Q40: isa_outb(0,0x80); break;#endif#ifdef CONFIG_AMIGA_PCMCIA    case ISA_TYPE_AG: break;#endif    default: break; /* avoid warnings */    }}#define isa_inb_p(p)      ({u8 v=isa_inb(p);isa_delay();v;})#define isa_outb_p(v,p)   ({isa_outb((v),(p));isa_delay();})#define isa_inw_p(p)      ({u16 v=isa_inw(p);isa_delay();v;})#define isa_outw_p(v,p)   ({isa_outw((v),(p));isa_delay();})#define isa_inl_p(p)      ({u32 v=isa_inl(p);isa_delay();v;})#define isa_outl_p(v,p)   ({isa_outl((v),(p));isa_delay();})#define isa_insb(port, buf, nr) raw_insb(isa_itb(port), (u8 *)(buf), (nr))#define isa_outsb(port, buf, nr) raw_outsb(isa_itb(port), (u8 *)(buf), (nr))#define isa_insw(port, buf, nr)     \       (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) :    \                  raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)))#define isa_outsw(port, buf, nr)    \       (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) :  \                  raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)))#define isa_insl(port, buf, nr)     \       (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) :    \                  raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))#define isa_outsl(port, buf, nr)    \       (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) :  \                  raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))#define inb     isa_inb#define inb_p   isa_inb_p#define outb    isa_outb#define outb_p  isa_outb_p#define inw     isa_inw#define inw_p   isa_inw_p#define outw    isa_outw#define outw_p  isa_outw_p#define inl     isa_inl#define inl_p   isa_inl_p#define outl    isa_outl#define outl_p  isa_outl_p#define insb    isa_insb#define insw    isa_insw#define insl    isa_insl#define outsb   isa_outsb#define outsw   isa_outsw#define outsl   isa_outsl#define readb   isa_readb#define readw   isa_readw#define writeb  isa_writeb#define writew  isa_writew#else  /* CONFIG_ISA *//* * We need to define dummy functions for GENERIC_IOMAP support. */#define inb(port)          0xff#define inb_p(port)        0xff#define outb(val,port)     ((void)0)#define outb_p(val,port)   ((void)0)#define inw(port)          0xffff#define inw_p(port)        0xffff#define outw(val,port)     ((void)0)#define outw_p(val,port)   ((void)0)#define inl(port)          0xffffffffUL#define inl_p(port)        0xffffffffUL#define outl(val,port)     ((void)0)#define outl_p(val,port)   ((void)0)#define insb(port,buf,nr)  ((void)0)#define outsb(port,buf,nr) ((void)0)#define insw(port,buf,nr)  ((void)0)#define outsw(port,buf,nr) ((void)0)#define insl(port,buf,nr)  ((void)0)#define outsl(port,buf,nr) ((void)0)/* * These should be valid on any ioremap()ed region */#define readb(addr)      in_8(addr)#define writeb(val,addr) out_8((addr),(val))#define readw(addr)      in_le16(addr)#define writew(val,addr) out_le16((addr),(val))#endif /* CONFIG_ISA */#define readl(addr)      in_le32(addr)#define writel(val,addr) out_le32((addr),(val))#define readsb(port, buf, nr)     raw_insb((port), (u8 *)(buf), (nr))#define readsw(port, buf, nr)     raw_insw((port), (u16 *)(buf), (nr))#define readsl(port, buf, nr)     raw_insl((port), (u32 *)(buf), (nr))#define writesb(port, buf, nr)    raw_outsb((port), (u8 *)(buf), (nr))#define writesw(port, buf, nr)    raw_outsw((port), (u16 *)(buf), (nr))#define writesl(port, buf, nr)    raw_outsl((port), (u32 *)(buf), (nr))#define mmiowb()static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size){	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);}static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned long size){	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);}static inline void __iomem *ioremap_writethrough(unsigned long physaddr,					 unsigned long size){	return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);}static inline void __iomem *ioremap_fullcache(unsigned long physaddr,				      unsigned long size){	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);}static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count){	__builtin_memset((void __force *) addr, val, count);}static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count){	__builtin_memcpy(dst, (void __force *) src, count);}static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count){	__builtin_memcpy((void __force *) dst, src, count);}#ifndef CONFIG_SUN3#define IO_SPACE_LIMIT 0xffff#else#define IO_SPACE_LIMIT 0x0fffffff#endif#endif /* __KERNEL__ */#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED		1/* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */#define xlate_dev_mem_ptr(p)	__va(p)/* * Convert a virtual cached pointer to an uncached pointer */#define xlate_dev_kmem_ptr(p)	p#define ioport_map(port, nr)	((void __iomem *)(port))#endif /* _IO_H */
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