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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /***************************************************************************\ |* *| |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *| |* *| |* NOTICE TO USER: The source code is copyrighted under U.S. and *| |* international laws. Users and possessors of this source code are *| |* hereby granted a nonexclusive, royalty-free copyright license to *| |* use this code in individual and commercial software. *| |* *| |* Any use of this source code must include, in the user documenta- *| |* tion and internal comments to the code, notices to the end user *| |* as follows: *| |* *| |* Copyright 1993-1999 NVIDIA, Corporation. All rights reserved. *| |* *| |* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *| |* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *| |* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *| |* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *| |* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *| |* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *| |* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *| |* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *| |* SULTING 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 SOURCE CODE. *| |* *| |* U.S. Government End Users. This source code is a "commercial *| |* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *| |* consisting of "commercial computer software" and "commercial *| |* computer software documentation," as such terms are used in *| |* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *| |* ment only as a commercial end item. Consistent with 48 C.F.R. *| |* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *| |* all U.S. Government End Users acquire the source code with only *| |* those rights set forth herein. *| |* *| \***************************************************************************/ /* * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/ * XFree86 'nv' driver, this source code is provided under MIT-style licensing * where the source code is provided "as is" without warranty of any kind. * The only usage restriction is for the copyright notices to be retained * whenever code is used. * * Antonino Daplas <adaplas@pol.net> 2005-03-11 */ #ifndef __NV_LOCAL_H__ #define __NV_LOCAL_H__ /* * This file includes any environment or machine specific values to access the * HW. Put all affected includes, typdefs, etc. here so the riva_hw.* files * can stay generic in nature. */ /* * HW access macros. These assume memory-mapped I/O, and not normal I/O space. */ #define NV_WR08(p,i,d) (__raw_writeb((d), (void __iomem *)(p) + (i))) #define NV_RD08(p,i) (__raw_readb((void __iomem *)(p) + (i))) #define NV_WR16(p,i,d) (__raw_writew((d), (void __iomem *)(p) + (i))) #define NV_RD16(p,i) (__raw_readw((void __iomem *)(p) + (i))) #define NV_WR32(p,i,d) (__raw_writel((d), (void __iomem *)(p) + (i))) #define NV_RD32(p,i) (__raw_readl((void __iomem *)(p) + (i))) /* VGA I/O is now always done through MMIO */ #define VGA_WR08(p,i,d) (writeb((d), (void __iomem *)(p) + (i))) #define VGA_RD08(p,i) (readb((void __iomem *)(p) + (i))) #define NVDmaNext(par, data) \ NV_WR32(&(par)->dmaBase[(par)->dmaCurrent++], 0, (data)) #define NVDmaStart(info, par, tag, size) { \ if((par)->dmaFree <= (size)) \ NVDmaWait(info, size); \ NVDmaNext(par, ((size) << 18) | (tag)); \ (par)->dmaFree -= ((size) + 1); \ } #if defined(__i386__) #define _NV_FENCE() outb(0, 0x3D0); #else #define _NV_FENCE() mb(); #endif #define WRITE_PUT(par, data) { \ _NV_FENCE() \ NV_RD08((par)->FbStart, 0); \ NV_WR32(&(par)->FIFO[0x0010], 0, (data) << 2); \ mb(); \ } #define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2) #ifdef __LITTLE_ENDIAN #include <linux/bitrev.h> #define reverse_order(l) \ do { \ u8 *a = (u8 *)(l); \ a[0] = bitrev8(a[0]); \ a[1] = bitrev8(a[1]); \ a[2] = bitrev8(a[2]); \ a[3] = bitrev8(a[3]); \ } while(0) #else #define reverse_order(l) do { } while(0) #endif /* __LITTLE_ENDIAN */ #endif /* __NV_LOCAL_H__ */ |