drivers/char/drm/mga_warp.c

   1 /* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
   2  * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com
   3  *
   4  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  * OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Gareth Hughes <gareth@valinux.com>
  28  */
  29
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "mga_drm.h"
  33 #include "mga_drv.h"
  34 #include "mga_ucode.h"
  35
  36
  37 #define MGA_WARP_CODE_ALIGN             256             /* in bytes */
  38
  39 #define WARP_UCODE_SIZE( which )                                        \
  40         ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
  41
  42 #define WARP_UCODE_INSTALL( which, where )                              \
  43 do {                                                                    \
  44         DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
  45         dev_priv->warp_pipe_phys[where] = pcbase;                       \
  46         memcpy( vcbase, which, sizeof(which) );                         \
  47         pcbase += WARP_UCODE_SIZE( which );                             \
  48         vcbase += WARP_UCODE_SIZE( which );                             \
  49 } while (0)
  50
  51
  52 static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv )
  53 {
  54         unsigned int size;
  55
  56         size = ( WARP_UCODE_SIZE( warp_g400_tgz ) +
  57                  WARP_UCODE_SIZE( warp_g400_tgza ) +
  58                  WARP_UCODE_SIZE( warp_g400_tgzaf ) +
  59                  WARP_UCODE_SIZE( warp_g400_tgzf ) +
  60                  WARP_UCODE_SIZE( warp_g400_tgzs ) +
  61                  WARP_UCODE_SIZE( warp_g400_tgzsa ) +
  62                  WARP_UCODE_SIZE( warp_g400_tgzsaf ) +
  63                  WARP_UCODE_SIZE( warp_g400_tgzsf ) +
  64                  WARP_UCODE_SIZE( warp_g400_t2gz ) +
  65                  WARP_UCODE_SIZE( warp_g400_t2gza ) +
  66                  WARP_UCODE_SIZE( warp_g400_t2gzaf ) +
  67                  WARP_UCODE_SIZE( warp_g400_t2gzf ) +
  68                  WARP_UCODE_SIZE( warp_g400_t2gzs ) +
  69                  WARP_UCODE_SIZE( warp_g400_t2gzsa ) +
  70                  WARP_UCODE_SIZE( warp_g400_t2gzsaf ) +
  71                  WARP_UCODE_SIZE( warp_g400_t2gzsf ) );
  72
  73         size = PAGE_ALIGN( size );
  74
  75         DRM_DEBUG( "G400 ucode size = %d bytes\n", size );
  76         return size;
  77 }
  78
  79 static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv )
  80 {
  81         unsigned int size;
  82
  83         size = ( WARP_UCODE_SIZE( warp_g200_tgz ) +
  84                  WARP_UCODE_SIZE( warp_g200_tgza ) +
  85                  WARP_UCODE_SIZE( warp_g200_tgzaf ) +
  86                  WARP_UCODE_SIZE( warp_g200_tgzf ) +
  87                  WARP_UCODE_SIZE( warp_g200_tgzs ) +
  88                  WARP_UCODE_SIZE( warp_g200_tgzsa ) +
  89                  WARP_UCODE_SIZE( warp_g200_tgzsaf ) +
  90                  WARP_UCODE_SIZE( warp_g200_tgzsf ) );
  91
  92         size = PAGE_ALIGN( size );
  93
  94         DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
  95         return size;
  96 }
  97
  98 static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
  99 {
 100         unsigned char *vcbase = dev_priv->warp->handle;
 101         unsigned long pcbase = dev_priv->warp->offset;
 102         unsigned int size;
 103
 104         size = mga_warp_g400_microcode_size( dev_priv );
 105         if ( size > dev_priv->warp->size ) {
 106                 DRM_ERROR( "microcode too large! (%u > %lu)\n",
 107                            size, dev_priv->warp->size );
 108                 return DRM_ERR(ENOMEM);
 109         }
 110
 111         memset( dev_priv->warp_pipe_phys, 0,
 112                 sizeof(dev_priv->warp_pipe_phys) );
 113
 114         WARP_UCODE_INSTALL( warp_g400_tgz,      MGA_WARP_TGZ );
 115         WARP_UCODE_INSTALL( warp_g400_tgzf,     MGA_WARP_TGZF );
 116         WARP_UCODE_INSTALL( warp_g400_tgza,     MGA_WARP_TGZA );
 117         WARP_UCODE_INSTALL( warp_g400_tgzaf,    MGA_WARP_TGZAF );
 118         WARP_UCODE_INSTALL( warp_g400_tgzs,     MGA_WARP_TGZS );
 119         WARP_UCODE_INSTALL( warp_g400_tgzsf,    MGA_WARP_TGZSF );
 120         WARP_UCODE_INSTALL( warp_g400_tgzsa,    MGA_WARP_TGZSA );
 121         WARP_UCODE_INSTALL( warp_g400_tgzsaf,   MGA_WARP_TGZSAF );
 122
 123         WARP_UCODE_INSTALL( warp_g400_t2gz,     MGA_WARP_T2GZ );
 124         WARP_UCODE_INSTALL( warp_g400_t2gzf,    MGA_WARP_T2GZF );
 125         WARP_UCODE_INSTALL( warp_g400_t2gza,    MGA_WARP_T2GZA );
 126         WARP_UCODE_INSTALL( warp_g400_t2gzaf,   MGA_WARP_T2GZAF );
 127         WARP_UCODE_INSTALL( warp_g400_t2gzs,    MGA_WARP_T2GZS );
 128         WARP_UCODE_INSTALL( warp_g400_t2gzsf,   MGA_WARP_T2GZSF );
 129         WARP_UCODE_INSTALL( warp_g400_t2gzsa,   MGA_WARP_T2GZSA );
 130         WARP_UCODE_INSTALL( warp_g400_t2gzsaf,  MGA_WARP_T2GZSAF );
 131
 132         return 0;
 133 }
 134
 135 static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
 136 {
 137         unsigned char *vcbase = dev_priv->warp->handle;
 138         unsigned long pcbase = dev_priv->warp->offset;
 139         unsigned int size;
 140
 141         size = mga_warp_g200_microcode_size( dev_priv );
 142         if ( size > dev_priv->warp->size ) {
 143                 DRM_ERROR( "microcode too large! (%u > %lu)\n",
 144                            size, dev_priv->warp->size );
 145                 return DRM_ERR(ENOMEM);
 146         }
 147
 148         memset( dev_priv->warp_pipe_phys, 0,
 149                 sizeof(dev_priv->warp_pipe_phys) );
 150
 151         WARP_UCODE_INSTALL( warp_g200_tgz,      MGA_WARP_TGZ );
 152         WARP_UCODE_INSTALL( warp_g200_tgzf,     MGA_WARP_TGZF );
 153         WARP_UCODE_INSTALL( warp_g200_tgza,     MGA_WARP_TGZA );
 154         WARP_UCODE_INSTALL( warp_g200_tgzaf,    MGA_WARP_TGZAF );
 155         WARP_UCODE_INSTALL( warp_g200_tgzs,     MGA_WARP_TGZS );
 156         WARP_UCODE_INSTALL( warp_g200_tgzsf,    MGA_WARP_TGZSF );
 157         WARP_UCODE_INSTALL( warp_g200_tgzsa,    MGA_WARP_TGZSA );
 158         WARP_UCODE_INSTALL( warp_g200_tgzsaf,   MGA_WARP_TGZSAF );
 159
 160         return 0;
 161 }
 162
 163 int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
 164 {
 165         switch ( dev_priv->chipset ) {
 166         case MGA_CARD_TYPE_G400:
 167                 return mga_warp_install_g400_microcode( dev_priv );
 168         case MGA_CARD_TYPE_G200:
 169                 return mga_warp_install_g200_microcode( dev_priv );
 170         default:
 171                 return DRM_ERR(EINVAL);
 172         }
 173 }
 174
 175 #define WMISC_EXPECTED          (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
 176
 177 int mga_warp_init( drm_mga_private_t *dev_priv )
 178 {
 179         u32 wmisc;
 180
 181         /* FIXME: Get rid of these damned magic numbers...
 182          */
 183         switch ( dev_priv->chipset ) {
 184         case MGA_CARD_TYPE_G400:
 185                 MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND );
 186                 MGA_WRITE( MGA_WGETMSB, 0x00000E00 );
 187                 MGA_WRITE( MGA_WVRTXSZ, 0x00001807 );
 188                 MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 );
 189                 break;
 190         case MGA_CARD_TYPE_G200:
 191                 MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
 192                 MGA_WRITE( MGA_WGETMSB, 0x1606 );
 193                 MGA_WRITE( MGA_WVRTXSZ, 7 );
 194                 break;
 195         default:
 196                 return DRM_ERR(EINVAL);
 197         }
 198
 199         MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
 200                                MGA_WMASTER_ENABLE |
 201                                MGA_WCACHEFLUSH_ENABLE) );
 202         wmisc = MGA_READ( MGA_WMISC );
 203         if ( wmisc != WMISC_EXPECTED ) {
 204                 DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
 205                            wmisc, WMISC_EXPECTED );
 206                 return DRM_ERR(EINVAL);
 207         }
 208
 209         return 0;
 210 }