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/*
* Copyright (c) 1993-2003 NVIDIA, Corporation
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#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.
*/
#include "compiler.h"
#include "xf86_OSproc.h"
#include "shadow.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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