nv4ref.h

linux-2.4.29操作系统的源码

 /***************************************************************************\
|*                                                                           *|
|*       Copyright 1993-1998 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 1993-1998 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 -- nVidia is allowing a liberal interpretation of
 * the documentation restriction above, to merely say that this nVidia's
 * copyright and disclaimer should be included with all code derived
 * from this source.  -- Jeff Garzik <[e-mail]>, 01/Nov/99 
 */

 /***************************************************************************\
|*            Modified 1999 by Fredrik Reite ([e-mail])             *|
 \***************************************************************************/


#ifndef __NV4REF_H__
#define __NV4REF_H__

/* Magic values to lock/unlock extended regs */
#define NV_CIO_SR_LOCK_INDEX				     0x0000001F /*       */
#define NV_CIO_SR_UNLOCK_RW_VALUE                            0x00000057 /*       */
#define NV_CIO_SR_UNLOCK_RO_VALUE                            0x00000075 /*       */
#define NV_CIO_SR_LOCK_VALUE                                 0x00000099 /*       */

#define UNLOCK_EXT_MAGIC 0x57
#define LOCK_EXT_MAGIC 0x99 /* Any value other than 0x57 will do */

#define LOCK_EXT_INDEX 0x6

#define NV_PCRTC_HORIZ_TOTAL                                 0x00
#define NV_PCRTC_HORIZ_DISPLAY_END                           0x01
#define NV_PCRTC_HORIZ_BLANK_START                           0x02

#define NV_PCRTC_HORIZ_BLANK_END                             0x03
#define NV_PCRTC_HORIZ_BLANK_END_EVRA                        7:7
#define NV_PCRTC_HORIZ_BLANK_END_DISPLAY_END_SKEW            6:5
#define NV_PCRTC_HORIZ_BLANK_END_HORIZ_BLANK_END             4:0

#define NV_PCRTC_HORIZ_RETRACE_START                         0x04

#define NV_PCRTC_HORIZ_RETRACE_END                           0x05
#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_BLANK_END_5         7:7
#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_RETRACE_SKEW        6:5
#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_RETRACE_END         4:0

#define NV_PCRTC_VERT_TOTAL                                  0x06

#define NV_PCRTC_OVERFLOW                                    0x07
#define NV_PCRTC_OVERFLOW_VERT_RETRACE_START_9               7:7
#define NV_PCRTC_OVERFLOW_VERT_DISPLAY_END_9                 6:6
#define NV_PCRTC_OVERFLOW_VERT_TOTAL_9                       5:5
#define NV_PCRTC_OVERFLOW_LINE_COMPARE_8                     4:4
#define NV_PCRTC_OVERFLOW_VERT_BLANK_START_8                 3:3
#define NV_PCRTC_OVERFLOW_VERT_RETRACE_START_8               2:2
#define NV_PCRTC_OVERFLOW_VERT_DISPLAY_END_8                 1:1
#define NV_PCRTC_OVERFLOW_VERT_TOTAL_8                       0:0

#define NV_PCRTC_PRESET_ROW_SCAN                             0x08

#define NV_PCRTC_MAX_SCAN_LINE                               0x09
#define NV_PCRTC_MAX_SCAN_LINE_DOUBLE_SCAN                   7:7
#define NV_PCRTC_MAX_SCAN_LINE_LINE_COMPARE_9                6:6
#define NV_PCRTC_MAX_SCAN_LINE_VERT_BLANK_START_9            5:5
#define NV_PCRTC_MAX_SCAN_LINE_MAX_SCAN_LINE                 4:0

#define NV_PCRTC_CURSOR_START                                0x0A
#define NV_PCRTC_CURSOR_END                                  0x0B
#define NV_PCRTC_START_ADDR_HIGH                             0x0C
#define NV_PCRTC_START_ADDR_LOW                              0x0D
#define NV_PCRTC_CURSOR_LOCATION_HIGH                        0x0E
#define NV_PCRTC_CURSOR_LOCATION_LOW                         0x0F

#define NV_PCRTC_VERT_RETRACE_START                          0x10
#define NV_PCRTC_VERT_RETRACE_END                            0x11
#define NV_PCRTC_VERT_DISPLAY_END                            0x12
#define NV_PCRTC_OFFSET                                      0x13
#define NV_PCRTC_UNDERLINE_LOCATION                          0x14
#define NV_PCRTC_VERT_BLANK_START                            0x15
#define NV_PCRTC_VERT_BLANK_END                              0x16
#define NV_PCRTC_MODE_CONTROL                                0x17
#define NV_PCRTC_LINE_COMPARE                                0x18

/* Extended offset and start address */
#define NV_PCRTC_REPAINT0                                    0x19
#define NV_PCRTC_REPAINT0_OFFSET_10_8                        7:5 
#define NV_PCRTC_REPAINT0_START_ADDR_20_16                   4:0

/* Horizonal extended bits */
#define NV_PCRTC_HORIZ_EXTRA                                 0x2d
#define NV_PCRTC_HORIZ_EXTRA_INTER_HALF_START_8              4:4
#define NV_PCRTC_HORIZ_EXTRA_HORIZ_RETRACE_START_8           3:3
#define NV_PCRTC_HORIZ_EXTRA_HORIZ_BLANK_START_8             2:2
#define NV_PCRTC_HORIZ_EXTRA_DISPLAY_END_8                   1:1
#define NV_PCRTC_HORIZ_EXTRA_DISPLAY_TOTAL_8                 0:0

/* Assorted extra bits */
#define NV_PCRTC_EXTRA                                       0x25
#define NV_PCRTC_EXTRA_OFFSET_11                             5:5
#define NV_PCRTC_EXTRA_HORIZ_BLANK_END_6                     4:4
#define NV_PCRTC_EXTRA_VERT_BLANK_START_10                   3:3
#define NV_PCRTC_EXTRA_VERT_RETRACE_START_10                 2:2
#define NV_PCRTC_EXTRA_VERT_DISPLAY_END_10                   1:1
#define NV_PCRTC_EXTRA_VERT_TOTAL_10                         0:0

/* Controls how much data the refresh fifo requests */
#define NV_PCRTC_FIFO_CONTROL                                0x1b
#define NV_PCRTC_FIFO_CONTROL_UNDERFLOW_WARN                 7:7
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH                   2:0
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_8                 0x0
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_32                0x1
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_64                0x2
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_128               0x3
#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_256               0x4

/* When the fifo occupancy falls below *twice* the watermark,
 * the refresh fifo will start to be refilled. If this value is 
 * too low, you will get junk on the screen. Too high, and performance
 * will suffer. Watermark in units of 8 bytes
 */
#define NV_PCRTC_FIFO                                        0x20
#define NV_PCRTC_FIFO_RESET                                  7:7
#define NV_PCRTC_FIFO_WATERMARK                              5:0

/* Various flags */
#define NV_PCRTC_REPAINT1                                    0x1a
#define NV_PCRTC_REPAINT1_HSYNC                              7:7
#define NV_PCRTC_REPAINT1_HYSNC_DISABLE                      0x01
#define NV_PCRTC_REPAINT1_HYSNC_ENABLE                       0x00
#define NV_PCRTC_REPAINT1_VSYNC                              6:6
#define NV_PCRTC_REPAINT1_VYSNC_DISABLE                      0x01
#define NV_PCRTC_REPAINT1_VYSNC_ENABLE                       0x00
#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT                    4:4
#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT_ENABLE             0x01
#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT_DISABLE            0x00
#define NV_PCRTC_REPAINT1_LARGE_SCREEN                       2:2 
#define NV_PCRTC_REPAINT1_LARGE_SCREEN_DISABLE               0x01
#define NV_PCRTC_REPAINT1_LARGE_SCREEN_ENABLE                0x00 /* >=1280 */
#define NV_PCRTC_REPAINT1_PALETTE_WIDTH                      1:1
#define NV_PCRTC_REPAINT1_PALETTE_WIDTH_8BITS                0x00
#define NV_PCRTC_REPAINT1_PALETTE_WIDTH_6BITS                0x01