11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************************************************************\ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *| 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* NOTICE TO USER: The source code is copyrighted under U.S. and *| 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* international laws. Users and possessors of this source code are *| 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* hereby granted a nonexclusive, royalty-free copyright license to *| 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* use this code in individual and commercial software. *| 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* Any use of this source code must include, in the user documenta- *| 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* tion and internal comments to the code, notices to the end user *| 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* as follows: *| 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* Copyright 1993-1999 NVIDIA, Corporation. All rights reserved. *| 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *| 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *| 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *| 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *| 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *| 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *| 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *| 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *| 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *| 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *| 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *| 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* U.S. Government End Users. This source code is a "commercial *| 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *| 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* consisting of "commercial computer software" and "commercial *| 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* computer software documentation," as such terms are used in *| 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *| 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* ment only as a commercial end item. Consistent with 48 C.F.R. *| 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *| 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* all U.S. Government End Users acquire the source code with only *| 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* those rights set forth herein. *| 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds|* *| 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds \***************************************************************************/ 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/ 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * XFree86 'nv' driver, this source code is provided under MIT-style licensing 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * where the source code is provided "as is" without warranty of any kind. 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The only usage restriction is for the copyright notices to be retained 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * whenever code is used. 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Antonino Daplas <adaplas@pol.net> 2005-03-11 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef __NV_LOCAL_H__ 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __NV_LOCAL_H__ 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file includes any environment or machine specific values to access the 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HW. Put all affected includes, typdefs, etc. here so the riva_hw.* files 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * can stay generic in nature. 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HW access macros. These assume memory-mapped I/O, and not normal I/O space. 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_WR08(p,i,d) (__raw_writeb((d), (void __iomem *)(p) + (i))) 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_RD08(p,i) (__raw_readb((void __iomem *)(p) + (i))) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_WR16(p,i,d) (__raw_writew((d), (void __iomem *)(p) + (i))) 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_RD16(p,i) (__raw_readw((void __iomem *)(p) + (i))) 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_WR32(p,i,d) (__raw_writel((d), (void __iomem *)(p) + (i))) 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NV_RD32(p,i) (__raw_readl((void __iomem *)(p) + (i))) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* VGA I/O is now always done through MMIO */ 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VGA_WR08(p,i,d) (writeb((d), (void __iomem *)(p) + (i))) 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VGA_RD08(p,i) (readb((void __iomem *)(p) + (i))) 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NVDmaNext(par, data) \ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NV_WR32(&(par)->dmaBase[(par)->dmaCurrent++], 0, (data)) 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 76e15de77e74d429f14641ebe7a29ccd8aa6656f3cDave Jones#define NVDmaStart(info, par, tag, size) { \ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if((par)->dmaFree <= (size)) \ 78e15de77e74d429f14641ebe7a29ccd8aa6656f3cDave Jones NVDmaWait(info, size); \ 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NVDmaNext(par, ((size) << 18) | (tag)); \ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (par)->dmaFree -= ((size) + 1); \ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(__i386__) 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _NV_FENCE() outb(0, 0x3D0); 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _NV_FENCE() mb(); 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WRITE_PUT(par, data) { \ 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _NV_FENCE() \ 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NV_RD08((par)->FbStart, 0); \ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NV_WR32(&(par)->FIFO[0x0010], 0, (data) << 2); \ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mb(); \ 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2) 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 987c1cd6fd5efeb95603e37f35b5da293b452d8b64Antonino A. Daplas#ifdef __LITTLE_ENDIAN 991c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita 1001c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita#include <linux/bitrev.h> 1011c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define reverse_order(l) \ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *a = (u8 *)(l); \ 1051c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita a[0] = bitrev8(a[0]); \ 1061c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita a[1] = bitrev8(a[1]); \ 1071c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita a[2] = bitrev8(a[2]); \ 1081c6676825fe4cc03a71f253fc3e16ec17c6a3195Akinobu Mita a[3] = bitrev8(a[3]); \ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while(0) 1107c1cd6fd5efeb95603e37f35b5da293b452d8b64Antonino A. Daplas#else 1112fe0175491c4784d95f3237ebdc985da7b26a99dAntonino A. Daplas#define reverse_order(l) do { } while(0) 1127c1cd6fd5efeb95603e37f35b5da293b452d8b64Antonino A. Daplas#endif /* __LITTLE_ENDIAN */ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* __NV_LOCAL_H__ */ 115