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Diffstat (limited to 'drivers/video/nvidia/nv_local.h')
| -rw-r--r-- | drivers/video/nvidia/nv_local.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/video/nvidia/nv_local.h b/drivers/video/nvidia/nv_local.h new file mode 100644 index 000000000000..9da320986f4c --- /dev/null +++ b/drivers/video/nvidia/nv_local.h | |||
| @@ -0,0 +1,107 @@ | |||
| 1 | /***************************************************************************\ | ||
| 2 | |* *| | ||
| 3 | |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *| | ||
| 4 | |* *| | ||
| 5 | |* NOTICE TO USER: The source code is copyrighted under U.S. and *| | ||
| 6 | |* international laws. Users and possessors of this source code are *| | ||
| 7 | |* hereby granted a nonexclusive, royalty-free copyright license to *| | ||
| 8 | |* use this code in individual and commercial software. *| | ||
| 9 | |* *| | ||
| 10 | |* Any use of this source code must include, in the user documenta- *| | ||
| 11 | |* tion and internal comments to the code, notices to the end user *| | ||
| 12 | |* as follows: *| | ||
| 13 | |* *| | ||
| 14 | |* Copyright 1993-1999 NVIDIA, Corporation. All rights reserved. *| | ||
| 15 | |* *| | ||
| 16 | |* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *| | ||
| 17 | |* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *| | ||
| 18 | |* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *| | ||
| 19 | |* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *| | ||
| 20 | |* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *| | ||
| 21 | |* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *| | ||
| 22 | |* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *| | ||
| 23 | |* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *| | ||
| 24 | |* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *| | ||
| 25 | |* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *| | ||
| 26 | |* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *| | ||
| 27 | |* *| | ||
| 28 | |* U.S. Government End Users. This source code is a "commercial *| | ||
| 29 | |* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *| | ||
| 30 | |* consisting of "commercial computer software" and "commercial *| | ||
| 31 | |* computer software documentation," as such terms are used in *| | ||
| 32 | |* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *| | ||
| 33 | |* ment only as a commercial end item. Consistent with 48 C.F.R. *| | ||
| 34 | |* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *| | ||
| 35 | |* all U.S. Government End Users acquire the source code with only *| | ||
| 36 | |* those rights set forth herein. *| | ||
| 37 | |* *| | ||
| 38 | \***************************************************************************/ | ||
| 39 | |||
| 40 | /* | ||
| 41 | * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/ | ||
| 42 | * XFree86 'nv' driver, this source code is provided under MIT-style licensing | ||
| 43 | * where the source code is provided "as is" without warranty of any kind. | ||
| 44 | * The only usage restriction is for the copyright notices to be retained | ||
| 45 | * whenever code is used. | ||
| 46 | * | ||
| 47 | * Antonino Daplas <adaplas@pol.net> 2005-03-11 | ||
| 48 | */ | ||
| 49 | |||
| 50 | #ifndef __NV_LOCAL_H__ | ||
| 51 | #define __NV_LOCAL_H__ | ||
| 52 | |||
| 53 | /* | ||
| 54 | * This file includes any environment or machine specific values to access the | ||
| 55 | * HW. Put all affected includes, typdefs, etc. here so the riva_hw.* files | ||
| 56 | * can stay generic in nature. | ||
| 57 | */ | ||
| 58 | |||
| 59 | /* | ||
| 60 | * HW access macros. These assume memory-mapped I/O, and not normal I/O space. | ||
| 61 | */ | ||
| 62 | #define NV_WR08(p,i,d) (__raw_writeb((d), (void __iomem *)(p) + (i))) | ||
| 63 | #define NV_RD08(p,i) (__raw_readb((void __iomem *)(p) + (i))) | ||
| 64 | #define NV_WR16(p,i,d) (__raw_writew((d), (void __iomem *)(p) + (i))) | ||
| 65 | #define NV_RD16(p,i) (__raw_readw((void __iomem *)(p) + (i))) | ||
| 66 | #define NV_WR32(p,i,d) (__raw_writel((d), (void __iomem *)(p) + (i))) | ||
| 67 | #define NV_RD32(p,i) (__raw_readl((void __iomem *)(p) + (i))) | ||
| 68 | |||
| 69 | /* VGA I/O is now always done through MMIO */ | ||
| 70 | #define VGA_WR08(p,i,d) (writeb((d), (void __iomem *)(p) + (i))) | ||
| 71 | #define VGA_RD08(p,i) (readb((void __iomem *)(p) + (i))) | ||
| 72 | |||
| 73 | #define NVDmaNext(par, data) \ | ||
| 74 | NV_WR32(&(par)->dmaBase[(par)->dmaCurrent++], 0, (data)) | ||
| 75 | |||
| 76 | #define NVDmaStart(par, tag, size) { \ | ||
| 77 | if((par)->dmaFree <= (size)) \ | ||
| 78 | NVDmaWait(par, size); \ | ||
| 79 | NVDmaNext(par, ((size) << 18) | (tag)); \ | ||
| 80 | (par)->dmaFree -= ((size) + 1); \ | ||
| 81 | } | ||
| 82 | |||
| 83 | #if defined(__i386__) | ||
| 84 | #define _NV_FENCE() outb(0, 0x3D0); | ||
| 85 | #else | ||
| 86 | #define _NV_FENCE() mb(); | ||
| 87 | #endif | ||
| 88 | |||
| 89 | #define WRITE_PUT(par, data) { \ | ||
| 90 | _NV_FENCE() \ | ||
| 91 | NV_RD08((par)->FbStart, 0); \ | ||
| 92 | NV_WR32(&(par)->FIFO[0x0010], 0, (data) << 2); \ | ||
| 93 | mb(); \ | ||
| 94 | } | ||
| 95 | |||
| 96 | #define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2) | ||
| 97 | |||
| 98 | #define reverse_order(l) \ | ||
| 99 | do { \ | ||
| 100 | u8 *a = (u8 *)(l); \ | ||
| 101 | *a = byte_rev[*a], a++; \ | ||
| 102 | *a = byte_rev[*a], a++; \ | ||
| 103 | *a = byte_rev[*a], a++; \ | ||
| 104 | *a = byte_rev[*a]; \ | ||
| 105 | } while(0) | ||
| 106 | |||
| 107 | #endif /* __NV_LOCAL_H__ */ | ||