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/***************************************************************************\
|* *|
|* 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. *|
|* *|
\***************************************************************************/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_local.h,v 1.8tsi Exp $ */
#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.
*/
#if USE_LIBC_WRAPPER
#include "xf86_ansic.h"
#endif
#include "compiler.h"
#include "xf86_OSproc.h"
/*
* Typedefs to force certain sized values.
*/
typedef unsigned char U008;
typedef unsigned short U016;
typedef unsigned int U032;
/*
* HW access macros. These assume memory-mapped I/O, and not normal I/O space.
*/
#define NV_WR08(p,i,d) MMIO_OUT8((pointer)(p), (i), (d))
#define NV_RD08(p,i) MMIO_IN8((pointer)(p), (i))
#define NV_WR16(p,i,d) MMIO_OUT16((pointer)(p), (i), (d))
#define NV_RD16(p,i) MMIO_IN16((pointer)(p), (i))
#define NV_WR32(p,i,d) MMIO_OUT32((pointer)(p), (i), (d))
#define NV_RD32(p,i) MMIO_IN32((pointer)(p), (i))
/* VGA I/O is now always done through MMIO */
#define VGA_WR08(p,i,d) NV_WR08(p,i,d)
#define VGA_RD08(p,i) NV_RD08(p,i)
#define NVDmaNext(pNv, data) \
(pNv)->dmaBase[(pNv)->dmaCurrent++] = (data)
#define NVDmaStart(pNv, tag, size) { \
if((pNv)->dmaFree <= (size)) \
NVDmaWait(pNv, size); \
NVDmaNext(pNv, ((size) << 18) | (tag)); \
(pNv)->dmaFree -= ((size) + 1); \
}
#if defined(__i386__)
#define _NV_FENCE() outb(0x3D0, 0);
#else
#define _NV_FENCE() mem_barrier();
#endif
#define WRITE_PUT(pNv, data) { \
volatile CARD8 scratch; \
_NV_FENCE() \
scratch = (pNv)->FbStart[0]; \
(pNv)->FIFO[0x0010] = (data) << 2; \
mem_barrier(); \
}
#define READ_GET(pNv) ((pNv)->FIFO[0x0011] >> 2)
#endif /* __NV_LOCAL_H__ */
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