/* * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Thomas Roell not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Thomas Roell makes no representations * about the suitability of this software for any purpose. It is provided * "as is" without express or implied warranty. * * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * */ /* * Copyright (c) 1994-2003 by The XFree86 Project, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of the copyright holder(s) * and author(s) shall not be used in advertising or otherwise to promote * the sale, use or other dealings in this Software without prior written * authorization from the copyright holder(s) and author(s). */ #ifndef _COMPILER_H #define _COMPILER_H #if defined(__SUNPRO_C) #define DO_PROTOTYPES #endif /* Map Sun compiler platform defines to gcc-style used in the code */ #if defined(__amd64) && !defined(__amd64__) #define __amd64__ #endif #if defined(__i386) && !defined(__i386__) #define __i386__ #endif #if defined(__sparc) && !defined(__sparc__) #define __sparc__ #endif #if defined(__sparcv9) && !defined(__sparc64__) #define __sparc64__ #endif #ifndef _X_EXPORT #include #endif #include /* for uint*_t types */ /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */ #ifndef __inline__ #if defined(__GNUC__) /* gcc has __inline__ */ #else #define __inline__ /**/ #endif #endif /* __inline__ */ #ifndef __inline #if defined(__GNUC__) /* gcc has __inline */ #else #define __inline /**/ #endif #endif /* __inline */ /* Support gcc's __FUNCTION__ for people using other compilers */ #if !defined(__GNUC__) && !defined(__FUNCTION__) #define __FUNCTION__ __func__ /* C99 */ #endif #if defined(DO_PROTOTYPES) #if !defined(__arm__) #if !defined(__sparc__) && !defined(__arm32__) && !defined(__nds32__) \ && !(defined(__alpha__) && defined(__linux__)) \ && !(defined(__ia64__) && defined(__linux__)) \ && !(defined(__mips64) && defined(__linux__)) \ extern _X_EXPORT void outb(unsigned short, unsigned char); extern _X_EXPORT void outw(unsigned short, unsigned short); extern _X_EXPORT void outl(unsigned short, unsigned int); extern _X_EXPORT unsigned int inb(unsigned short); extern _X_EXPORT unsigned int inw(unsigned short); extern _X_EXPORT unsigned int inl(unsigned short); #else /* __sparc__, __arm32__, __alpha__, __nds32__ */ extern _X_EXPORT void outb(unsigned long, unsigned char); extern _X_EXPORT void outw(unsigned long, unsigned short); extern _X_EXPORT void outl(unsigned long, unsigned int); extern _X_EXPORT unsigned int inb(unsigned long); extern _X_EXPORT unsigned int inw(unsigned long); extern _X_EXPORT unsigned int inl(unsigned long); #ifdef __SUNPRO_C extern _X_EXPORT unsigned char xf86ReadMmio8 (void *, unsigned long); extern _X_EXPORT unsigned short xf86ReadMmio16Be (void *, unsigned long); extern _X_EXPORT unsigned short xf86ReadMmio16Le (void *, unsigned long); extern _X_EXPORT unsigned int xf86ReadMmio32Be (void *, unsigned long); extern _X_EXPORT unsigned int xf86ReadMmio32Le (void *, unsigned long); extern _X_EXPORT void xf86WriteMmio8 (void *, unsigned long, unsigned int); extern _X_EXPORT void xf86WriteMmio16Be (void *, unsigned long, unsigned int); extern _X_EXPORT void xf86WriteMmio16Le (void *, unsigned long, unsigned int); extern _X_EXPORT void xf86WriteMmio32Be (void *, unsigned long, unsigned int); extern _X_EXPORT void xf86WriteMmio32Le (void *, unsigned long, unsigned int); #endif /* _SUNPRO_C */ #endif /* __sparc__, __arm32__, __alpha__, __nds32__ */ #endif /* __arm__ */ #endif /* NO_INLINE || DO_PROTOTYPES */ #ifdef __GNUC__ #ifdef __i386__ #ifdef __SSE__ #define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory") #else #define write_mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory") #endif #ifdef __SSE2__ #define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory") #else #define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory") #endif #elif defined __alpha__ #define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory") #define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory") #elif defined __amd64__ #define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory") #define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory") #elif defined __ia64__ #ifndef __INTEL_COMPILER #define mem_barrier() __asm__ __volatile__ ("mf" : : : "memory") #define write_mem_barrier() __asm__ __volatile__ ("mf" : : : "memory") #else #include "ia64intrin.h" #define mem_barrier() __mf() #define write_mem_barrier() __mf() #endif #elif defined __mips__ /* Note: sync instruction requires MIPS II instruction set */ #define mem_barrier() \ __asm__ __volatile__( \ ".set push\n\t" \ ".set noreorder\n\t" \ ".set mips2\n\t" \ "sync\n\t" \ ".set pop" \ : /* no output */ \ : /* no input */ \ : "memory") #define write_mem_barrier() mem_barrier() #elif defined __powerpc__ #ifndef eieio #define eieio() __asm__ __volatile__ ("eieio" ::: "memory") #endif /* eieio */ #define mem_barrier() eieio() #define write_mem_barrier() eieio() #elif defined __sparc__ #define barrier() __asm__ __volatile__ (".word 0x8143e00a" : : : "memory") #define mem_barrier() /* XXX: nop for now */ #define write_mem_barrier() /* XXX: nop for now */ #endif #endif /* __GNUC__ */ #ifndef barrier #define barrier() #endif #ifndef mem_barrier #define mem_barrier() /* NOP */ #endif #ifndef write_mem_barrier #define write_mem_barrier() /* NOP */ #endif #ifdef __GNUC__ #if defined(__alpha__) #ifdef __linux__ /* for Linux on Alpha, we use the LIBC _inx/_outx routines */ /* note that the appropriate setup via "ioperm" needs to be done */ /* *before* any inx/outx is done. */ extern _X_EXPORT void _outb(unsigned char val, unsigned long port); extern _X_EXPORT void _outw(unsigned short val, unsigned long port); extern _X_EXPORT void _outl(unsigned int val, unsigned long port); extern _X_EXPORT unsigned int _inb(unsigned long port); extern _X_EXPORT unsigned int _inw(unsigned long port); extern _X_EXPORT unsigned int _inl(unsigned long port); static __inline__ void outb(unsigned long port, unsigned char val) { _outb(val, port); } static __inline__ void outw(unsigned long port, unsigned short val) { _outw(val, port); } static __inline__ void outl(unsigned long port, unsigned int val) { _outl(val, port); } static __inline__ unsigned int inb(unsigned long port) { return _inb(port); } static __inline__ unsigned int inw(unsigned long port) { return _inw(port); } static __inline__ unsigned int inl(unsigned long port) { return _inl(port); } #endif /* __linux__ */ #if (defined(__FreeBSD__) || defined(__OpenBSD__)) \ && !defined(DO_PROTOTYPES) /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */ /* inx/outx routines */ /* note that the appropriate setup via "ioperm" needs to be done */ /* *before* any inx/outx is done. */ extern _X_EXPORT void outb(unsigned int port, unsigned char val); extern _X_EXPORT void outw(unsigned int port, unsigned short val); extern _X_EXPORT void outl(unsigned int port, unsigned int val); extern _X_EXPORT unsigned char inb(unsigned int port); extern _X_EXPORT unsigned short inw(unsigned int port); extern _X_EXPORT unsigned int inl(unsigned int port); #endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */ #if defined(__NetBSD__) #include #endif /* __NetBSD__ */ #elif defined(__amd64__) || defined(__i386__) || defined(__ia64__) #include static __inline__ void outb(unsigned short port, unsigned char val) { __asm__ __volatile__("outb %0,%1"::"a"(val), "d"(port)); } static __inline__ void outw(unsigned short port, unsigned short val) { __asm__ __volatile__("outw %0,%1"::"a"(val), "d"(port)); } static __inline__ void outl(unsigned short port, unsigned int val) { __asm__ __volatile__("outl %0,%1"::"a"(val), "d"(port)); } static __inline__ unsigned int inb(unsigned short port) { unsigned char ret; __asm__ __volatile__("inb %1,%0":"=a"(ret):"d"(port)); return ret; } static __inline__ unsigned int inw(unsigned short port) { unsigned short ret; __asm__ __volatile__("inw %1,%0":"=a"(ret):"d"(port)); return ret; } static __inline__ unsigned int inl(unsigned short port) { unsigned int ret; __asm__ __volatile__("inl %1,%0":"=a"(ret):"d"(port)); return ret; } #elif defined(__sparc__) #ifndef ASI_PL #define ASI_PL 0x88 #endif static __inline__ void outb(unsigned long port, unsigned char val) { __asm__ __volatile__("stba %0, [%1] %2": /* No outputs */ :"r"(val), "r"(port), "i"(ASI_PL)); barrier(); } static __inline__ void outw(unsigned long port, unsigned short val) { __asm__ __volatile__("stha %0, [%1] %2": /* No outputs */ :"r"(val), "r"(port), "i"(ASI_PL)); barrier(); } static __inline__ void outl(unsigned long port, unsigned int val) { __asm__ __volatile__("sta %0, [%1] %2": /* No outputs */ :"r"(val), "r"(port), "i"(ASI_PL)); barrier(); } static __inline__ unsigned int inb(unsigned long port) { unsigned int ret; __asm__ __volatile__("lduba [%1] %2, %0":"=r"(ret) :"r"(port), "i"(ASI_PL)); return ret; } static __inline__ unsigned int inw(unsigned long port) { unsigned int ret; __asm__ __volatile__("lduha [%1] %2, %0":"=r"(ret) :"r"(port), "i"(ASI_PL)); return ret; } static __inline__ unsigned int inl(unsigned long port) { unsigned int ret; __asm__ __volatile__("lda [%1] %2, %0":"=r"(ret) :"r"(port), "i"(ASI_PL)); return ret; } static __inline__ unsigned char xf86ReadMmio8(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned char ret; __asm__ __volatile__("lduba [%1] %2, %0":"=r"(ret) :"r"(addr), "i"(ASI_PL)); return ret; } static __inline__ unsigned short xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned short ret; __asm__ __volatile__("lduh [%1], %0":"=r"(ret) :"r"(addr)); return ret; } static __inline__ unsigned short xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned short ret; __asm__ __volatile__("lduha [%1] %2, %0":"=r"(ret) :"r"(addr), "i"(ASI_PL)); return ret; } static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned int ret; __asm__ __volatile__("ld [%1], %0":"=r"(ret) :"r"(addr)); return ret; } static __inline__ unsigned int xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned int ret; __asm__ __volatile__("lda [%1] %2, %0":"=r"(ret) :"r"(addr), "i"(ASI_PL)); return ret; } static __inline__ void xf86WriteMmio8(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("stba %0, [%1] %2": /* No outputs */ :"r"(val), "r"(addr), "i"(ASI_PL)); barrier(); } static __inline__ void xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("sth %0, [%1]": /* No outputs */ :"r"(val), "r"(addr)); barrier(); } static __inline__ void xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("stha %0, [%1] %2": /* No outputs */ :"r"(val), "r"(addr), "i"(ASI_PL)); barrier(); } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("st %0, [%1]": /* No outputs */ :"r"(val), "r"(addr)); barrier(); } static __inline__ void xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("sta %0, [%1] %2": /* No outputs */ :"r"(val), "r"(addr), "i"(ASI_PL)); barrier(); } #elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__)) #if defined(__arm32__) || defined(__mips64__) #define PORT_SIZE long #else #define PORT_SIZE short #endif _X_EXPORT unsigned int IOPortBase; /* Memory mapped I/O port area */ static __inline__ void outb(unsigned PORT_SIZE port, unsigned char val) { *(volatile unsigned char *) (((unsigned PORT_SIZE) (port)) + IOPortBase) = val; } static __inline__ void outw(unsigned PORT_SIZE port, unsigned short val) { *(volatile unsigned short *) (((unsigned PORT_SIZE) (port)) + IOPortBase) = val; } static __inline__ void outl(unsigned PORT_SIZE port, unsigned int val) { *(volatile unsigned int *) (((unsigned PORT_SIZE) (port)) + IOPortBase) = val; } static __inline__ unsigned int inb(unsigned PORT_SIZE port) { return *(volatile unsigned char *) (((unsigned PORT_SIZE) (port)) + IOPortBase); } static __inline__ unsigned int inw(unsigned PORT_SIZE port) { return *(volatile unsigned short *) (((unsigned PORT_SIZE) (port)) + IOPortBase); } static __inline__ unsigned int inl(unsigned PORT_SIZE port) { return *(volatile unsigned int *) (((unsigned PORT_SIZE) (port)) + IOPortBase); } #if defined(__mips__) #ifdef __linux__ /* don't mess with other OSs */ #if X_BYTE_ORDER == X_BIG_ENDIAN static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned int ret; __asm__ __volatile__("lw %0, 0(%1)":"=r"(ret) :"r"(addr)); return ret; } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("sw %0, 0(%1)": /* No outputs */ :"r"(val), "r"(addr)); } #endif #endif /* !__linux__ */ #endif /* __mips__ */ #elif defined(__powerpc__) #ifndef MAP_FAILED #define MAP_FAILED ((void *)-1) #endif extern _X_EXPORT volatile unsigned char *ioBase; static __inline__ unsigned char xf86ReadMmio8(__volatile__ void *base, const unsigned long offset) { register unsigned char val; __asm__ __volatile__("lbzx %0,%1,%2\n\t" "eieio":"=r"(val) :"b"(base), "r"(offset), "m"(*((volatile unsigned char *) base + offset))); return val; } static __inline__ unsigned short xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset) { register unsigned short val; __asm__ __volatile__("lhzx %0,%1,%2\n\t" "eieio":"=r"(val) :"b"(base), "r"(offset), "m"(*((volatile unsigned char *) base + offset))); return val; } static __inline__ unsigned short xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset) { register unsigned short val; __asm__ __volatile__("lhbrx %0,%1,%2\n\t" "eieio":"=r"(val) :"b"(base), "r"(offset), "m"(*((volatile unsigned char *) base + offset))); return val; } static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { register unsigned int val; __asm__ __volatile__("lwzx %0,%1,%2\n\t" "eieio":"=r"(val) :"b"(base), "r"(offset), "m"(*((volatile unsigned char *) base + offset))); return val; } static __inline__ unsigned int xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset) { register unsigned int val; __asm__ __volatile__("lwbrx %0,%1,%2\n\t" "eieio":"=r"(val) :"b"(base), "r"(offset), "m"(*((volatile unsigned char *) base + offset))); return val; } static __inline__ void xf86WriteMmio8(__volatile__ void *base, const unsigned long offset, const unsigned char val) { __asm__ __volatile__("stbx %1,%2,%3\n\t":"=m" (*((volatile unsigned char *) base + offset)) :"r"(val), "b"(base), "r"(offset)); eieio(); } static __inline__ void xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset, const unsigned short val) { __asm__ __volatile__("sthbrx %1,%2,%3\n\t":"=m" (*((volatile unsigned char *) base + offset)) :"r"(val), "b"(base), "r"(offset)); eieio(); } static __inline__ void xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset, const unsigned short val) { __asm__ __volatile__("sthx %1,%2,%3\n\t":"=m" (*((volatile unsigned char *) base + offset)) :"r"(val), "b"(base), "r"(offset)); eieio(); } static __inline__ void xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { __asm__ __volatile__("stwbrx %1,%2,%3\n\t":"=m" (*((volatile unsigned char *) base + offset)) :"r"(val), "b"(base), "r"(offset)); eieio(); } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { __asm__ __volatile__("stwx %1,%2,%3\n\t":"=m" (*((volatile unsigned char *) base + offset)) :"r"(val), "b"(base), "r"(offset)); eieio(); } static __inline__ void outb(unsigned short port, unsigned char value) { if (ioBase == MAP_FAILED) return; xf86WriteMmio8((void *) ioBase, port, value); } static __inline__ void outw(unsigned short port, unsigned short value) { if (ioBase == MAP_FAILED) return; xf86WriteMmio16Le((void *) ioBase, port, value); } static __inline__ void outl(unsigned short port, unsigned int value) { if (ioBase == MAP_FAILED) return; xf86WriteMmio32Le((void *) ioBase, port, value); } static __inline__ unsigned int inb(unsigned short port) { if (ioBase == MAP_FAILED) return 0; return xf86ReadMmio8((void *) ioBase, port); } static __inline__ unsigned int inw(unsigned short port) { if (ioBase == MAP_FAILED) return 0; return xf86ReadMmio16Le((void *) ioBase, port); } static __inline__ unsigned int inl(unsigned short port) { if (ioBase == MAP_FAILED) return 0; return xf86ReadMmio32Le((void *) ioBase, port); } #elif defined(__nds32__) /* * Assume all port access are aligned. We need to revise this implementation * if there is unaligned port access. */ #define PORT_SIZE long static __inline__ unsigned char xf86ReadMmio8(__volatile__ void *base, const unsigned long offset) { return *(volatile unsigned char *) ((unsigned char *) base + offset); } static __inline__ void xf86WriteMmio8(__volatile__ void *base, const unsigned long offset, const unsigned int val) { *(volatile unsigned char *) ((unsigned char *) base + offset) = val; barrier(); } static __inline__ unsigned short xf86ReadMmio16Swap(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned short ret; __asm__ __volatile__("lhi %0, [%1];\n\t" "wsbh %0, %0;\n\t":"=r"(ret) :"r"(addr)); return ret; } static __inline__ unsigned short xf86ReadMmio16(__volatile__ void *base, const unsigned long offset) { return *(volatile unsigned short *) ((char *) base + offset); } static __inline__ void xf86WriteMmio16Swap(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("wsbh %0, %0;\n\t" "shi %0, [%1];\n\t": /* No outputs */ :"r"(val), "r"(addr)); barrier(); } static __inline__ void xf86WriteMmio16(__volatile__ void *base, const unsigned long offset, const unsigned int val) { *(volatile unsigned short *) ((unsigned char *) base + offset) = val; barrier(); } static __inline__ unsigned int xf86ReadMmio32Swap(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long) base) + offset; unsigned int ret; __asm__ __volatile__("lwi %0, [%1];\n\t" "wsbh %0, %0;\n\t" "rotri %0, %0, 16;\n\t":"=r"(ret) :"r"(addr)); return ret; } static __inline__ unsigned int xf86ReadMmio32(__volatile__ void *base, const unsigned long offset) { return *(volatile unsigned int *) ((unsigned char *) base + offset); } static __inline__ void xf86WriteMmio32Swap(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long) base) + offset; __asm__ __volatile__("wsbh %0, %0;\n\t" "rotri %0, %0, 16;\n\t" "swi %0, [%1];\n\t": /* No outputs */ :"r"(val), "r"(addr)); barrier(); } static __inline__ void xf86WriteMmio32(__volatile__ void *base, const unsigned long offset, const unsigned int val) { *(volatile unsigned int *) ((unsigned char *) base + offset) = val; barrier(); } #if defined(NDS32_MMIO_SWAP) static __inline__ void outb(unsigned PORT_SIZE port, unsigned char val) { xf86WriteMmio8(IOPortBase, port, val); } static __inline__ void outw(unsigned PORT_SIZE port, unsigned short val) { xf86WriteMmio16Swap(IOPortBase, port, val); } static __inline__ void outl(unsigned PORT_SIZE port, unsigned int val) { xf86WriteMmio32Swap(IOPortBase, port, val); } static __inline__ unsigned int inb(unsigned PORT_SIZE port) { return xf86ReadMmio8(IOPortBase, port); } static __inline__ unsigned int inw(unsigned PORT_SIZE port) { return xf86ReadMmio16Swap(IOPortBase, port); } static __inline__ unsigned int inl(unsigned PORT_SIZE port) { return xf86ReadMmio32Swap(IOPortBase, port); } #else /* !NDS32_MMIO_SWAP */ static __inline__ void outb(unsigned PORT_SIZE port, unsigned char val) { *(volatile unsigned char *) (((unsigned PORT_SIZE) (port))) = val; barrier(); } static __inline__ void outw(unsigned PORT_SIZE port, unsigned short val) { *(volatile unsigned short *) (((unsigned PORT_SIZE) (port))) = val; barrier(); } static __inline__ void outl(unsigned PORT_SIZE port, unsigned int val) { *(volatile unsigned int *) (((unsigned PORT_SIZE) (port))) = val; barrier(); } static __inline__ unsigned int inb(unsigned PORT_SIZE port) { return *(volatile unsigned char *) (((unsigned PORT_SIZE) (port))); } static __inline__ unsigned int inw(unsigned PORT_SIZE port) { return *(volatile unsigned short *) (((unsigned PORT_SIZE) (port))); } static __inline__ unsigned int inl(unsigned PORT_SIZE port) { return *(volatile unsigned int *) (((unsigned PORT_SIZE) (port))); } #endif /* NDS32_MMIO_SWAP */ #endif /* arch madness */ #else /* !GNUC */ #if defined(__STDC__) && (__STDC__ == 1) #ifndef asm #define asm __asm #endif #endif #if !defined(__SUNPRO_C) #include #endif #endif /* __GNUC__ */ #if !defined(MMIO_IS_BE) && \ (defined(SPARC_MMIO_IS_BE) || defined(PPC_MMIO_IS_BE)) #define MMIO_IS_BE #endif #ifdef __alpha__ static inline int xf86ReadMmio8(void *Base, unsigned long Offset) { mem_barrier(); return *(CARD8 *) ((unsigned long) Base + (Offset)); } static inline int xf86ReadMmio16(void *Base, unsigned long Offset) { mem_barrier(); return *(CARD16 *) ((unsigned long) Base + (Offset)); } static inline int xf86ReadMmio32(void *Base, unsigned long Offset) { mem_barrier(); return *(CARD32 *) ((unsigned long) Base + (Offset)); } static inline void xf86WriteMmio8(int Value, void *Base, unsigned long Offset) { write_mem_barrier(); *(CARD8 *) ((unsigned long) Base + (Offset)) = Value; } static inline void xf86WriteMmio16(int Value, void *Base, unsigned long Offset) { write_mem_barrier(); *(CARD16 *) ((unsigned long) Base + (Offset)) = Value; } static inline void xf86WriteMmio32(int Value, void *Base, unsigned long Offset) { write_mem_barrier(); *(CARD32 *) ((unsigned long) Base + (Offset)) = Value; } extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int); extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int); /* Some macros to hide the system dependencies for MMIO accesses */ /* Changed to kill noise generated by gcc's -Wcast-align */ #define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset) #define MMIO_IN16(base, offset) xf86ReadMmio16(base, offset) #define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset) #define MMIO_OUT8(base, offset, val) \ xf86WriteMmio8((CARD8)(val), base, offset) #define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16((CARD16)(val), base, offset) #define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32((CARD32)(val), base, offset) #elif defined(__powerpc__) || defined(__sparc__) /* * we provide byteswapping and no byteswapping functions here * with byteswapping as default, * drivers that don't need byteswapping should define MMIO_IS_BE */ #define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset) #define MMIO_OUT8(base, offset, val) \ xf86WriteMmio8(base, offset, (CARD8)(val)) #if defined(MMIO_IS_BE) /* No byteswapping */ #define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset) #define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset) #define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Be(base, offset, (CARD16)(val)) #define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Be(base, offset, (CARD32)(val)) #else /* byteswapping is the default */ #define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset) #define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset) #define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Le(base, offset, (CARD16)(val)) #define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Le(base, offset, (CARD32)(val)) #endif #elif defined(__nds32__) /* * we provide byteswapping and no byteswapping functions here * with no byteswapping as default; when endianness of CPU core * and I/O devices don't match, byte swapping is necessary * drivers that need byteswapping should define NDS32_MMIO_SWAP */ #define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset) #define MMIO_OUT8(base, offset, val) \ xf86WriteMmio8(base, offset, (CARD8)(val)) #if defined(NDS32_MMIO_SWAP) /* byteswapping */ #define MMIO_IN16(base, offset) xf86ReadMmio16Swap(base, offset) #define MMIO_IN32(base, offset) xf86ReadMmio32Swap(base, offset) #define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Swap(base, offset, (CARD16)(val)) #define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Swap(base, offset, (CARD32)(val)) #else /* no byteswapping is the default */ #define MMIO_IN16(base, offset) xf86ReadMmio16(base, offset) #define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset) #define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16(base, offset, (CARD16)(val)) #define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32(base, offset, (CARD32)(val)) #endif #else /* !__alpha__ && !__powerpc__ && !__sparc__ */ #define MMIO_IN8(base, offset) \ *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) #define MMIO_IN16(base, offset) \ *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) #define MMIO_IN32(base, offset) \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) #define MMIO_OUT8(base, offset, val) \ *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val) #define MMIO_OUT16(base, offset, val) \ *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val) #define MMIO_OUT32(base, offset, val) \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val) #endif /* __alpha__ */ /* * With Intel, the version in os-support/misc/SlowBcopy.s is used. * This avoids port I/O during the copy (which causes problems with * some hardware). */ #ifdef __alpha__ #define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count) #define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count) #else /* __alpha__ */ #define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count) #define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count) #endif /* __alpha__ */ #endif /* _COMPILER_H */