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 static const unsigned int mga_warp_g400_microcode_size =
  52                (WARP_UCODE_SIZE(warp_g400_tgz) +
  53                 WARP_UCODE_SIZE(warp_g400_tgza) +
  54                 WARP_UCODE_SIZE(warp_g400_tgzaf) +
  55                 WARP_UCODE_SIZE(warp_g400_tgzf) +
  56                 WARP_UCODE_SIZE(warp_g400_tgzs) +
  57                 WARP_UCODE_SIZE(warp_g400_tgzsa) +
  58                 WARP_UCODE_SIZE(warp_g400_tgzsaf) +
  59                 WARP_UCODE_SIZE(warp_g400_tgzsf) +
  60                 WARP_UCODE_SIZE(warp_g400_t2gz) +
  61                 WARP_UCODE_SIZE(warp_g400_t2gza) +
  62                 WARP_UCODE_SIZE(warp_g400_t2gzaf) +
  63                 WARP_UCODE_SIZE(warp_g400_t2gzf) +
  64                 WARP_UCODE_SIZE(warp_g400_t2gzs) +
  65                 WARP_UCODE_SIZE(warp_g400_t2gzsa) +
  66                 WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
  67                 WARP_UCODE_SIZE(warp_g400_t2gzsf));
  68
  69 static const unsigned int mga_warp_g200_microcode_size =
  70                (WARP_UCODE_SIZE(warp_g200_tgz) +
  71                 WARP_UCODE_SIZE(warp_g200_tgza) +
  72                 WARP_UCODE_SIZE(warp_g200_tgzaf) +
  73                 WARP_UCODE_SIZE(warp_g200_tgzf) +
  74                 WARP_UCODE_SIZE(warp_g200_tgzs) +
  75                 WARP_UCODE_SIZE(warp_g200_tgzsa) +
  76                 WARP_UCODE_SIZE(warp_g200_tgzsaf) +
  77                 WARP_UCODE_SIZE(warp_g200_tgzsf));
  78
  79
  80 unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
  81 {
  82         switch (dev_priv->chipset) {
  83         case MGA_CARD_TYPE_G400:
  84         case MGA_CARD_TYPE_G550:
  85                 return PAGE_ALIGN(mga_warp_g400_microcode_size);
  86         case MGA_CARD_TYPE_G200:
  87                 return PAGE_ALIGN(mga_warp_g200_microcode_size);
  88         default:
  89                 return 0;
  90         }
  91 }
  92
  93 static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
  94 {
  95         unsigned char *vcbase = dev_priv->warp->handle;
  96         unsigned long pcbase = dev_priv->warp->offset;
  97
  98         memset( dev_priv->warp_pipe_phys, 0,
  99                 sizeof(dev_priv->warp_pipe_phys) );
 100
 101         WARP_UCODE_INSTALL( warp_g400_tgz,      MGA_WARP_TGZ );
 102         WARP_UCODE_INSTALL( warp_g400_tgzf,     MGA_WARP_TGZF );
 103         WARP_UCODE_INSTALL( warp_g400_tgza,     MGA_WARP_TGZA );
 104         WARP_UCODE_INSTALL( warp_g400_tgzaf,    MGA_WARP_TGZAF );
 105         WARP_UCODE_INSTALL( warp_g400_tgzs,     MGA_WARP_TGZS );
 106         WARP_UCODE_INSTALL( warp_g400_tgzsf,    MGA_WARP_TGZSF );
 107         WARP_UCODE_INSTALL( warp_g400_tgzsa,    MGA_WARP_TGZSA );
 108         WARP_UCODE_INSTALL( warp_g400_tgzsaf,   MGA_WARP_TGZSAF );
 109
 110         WARP_UCODE_INSTALL( warp_g400_t2gz,     MGA_WARP_T2GZ );
 111         WARP_UCODE_INSTALL( warp_g400_t2gzf,    MGA_WARP_T2GZF );
 112         WARP_UCODE_INSTALL( warp_g400_t2gza,    MGA_WARP_T2GZA );
 113         WARP_UCODE_INSTALL( warp_g400_t2gzaf,   MGA_WARP_T2GZAF );
 114         WARP_UCODE_INSTALL( warp_g400_t2gzs,    MGA_WARP_T2GZS );
 115         WARP_UCODE_INSTALL( warp_g400_t2gzsf,   MGA_WARP_T2GZSF );
 116         WARP_UCODE_INSTALL( warp_g400_t2gzsa,   MGA_WARP_T2GZSA );
 117         WARP_UCODE_INSTALL( warp_g400_t2gzsaf,  MGA_WARP_T2GZSAF );
 118
 119         return 0;
 120 }
 121
 122 static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
 123 {
 124         unsigned char *vcbase = dev_priv->warp->handle;
 125         unsigned long pcbase = dev_priv->warp->offset;
 126
 127         memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
 128
 129         WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
 130         WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
 131         WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
 132         WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
 133         WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
 134         WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
 135         WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
 136         WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
 137
 138         return 0;
 139 }
 140
 141 int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
 142 {
 143         const unsigned int size = mga_warp_microcode_size(dev_priv);
 144
 145         DRM_DEBUG("MGA ucode size = %d bytes\n", size);
 146         if (size > dev_priv->warp->size) {
 147                 DRM_ERROR("microcode too large! (%u > %lu)\n",
 148                           size, dev_priv->warp->size);
 149                 return DRM_ERR(ENOMEM);
 150         }
 151
 152         switch (dev_priv->chipset) {
 153         case MGA_CARD_TYPE_G400:
 154         case MGA_CARD_TYPE_G550:
 155                 return mga_warp_install_g400_microcode(dev_priv);
 156         case MGA_CARD_TYPE_G200:
 157                 return mga_warp_install_g200_microcode( dev_priv );
 158         default:
 159                 return DRM_ERR(EINVAL);
 160         }
 161 }
 162
 163 #define WMISC_EXPECTED          (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
 164
 165 int mga_warp_init( drm_mga_private_t *dev_priv )
 166 {
 167         u32 wmisc;
 168
 169         /* FIXME: Get rid of these damned magic numbers...
 170          */
 171         switch ( dev_priv->chipset ) {
 172         case MGA_CARD_TYPE_G400:
 173         case MGA_CARD_TYPE_G550:
 174                 MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
 175                 MGA_WRITE(MGA_WGETMSB, 0x00000E00);
 176                 MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
 177                 MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
 178                 break;
 179         case MGA_CARD_TYPE_G200:
 180                 MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
 181                 MGA_WRITE( MGA_WGETMSB, 0x1606 );
 182                 MGA_WRITE( MGA_WVRTXSZ, 7 );
 183                 break;
 184         default:
 185                 return DRM_ERR(EINVAL);
 186         }
 187
 188         MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
 189                                MGA_WMASTER_ENABLE |
 190                                MGA_WCACHEFLUSH_ENABLE) );
 191         wmisc = MGA_READ( MGA_WMISC );
 192         if ( wmisc != WMISC_EXPECTED ) {
 193                 DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
 194                            wmisc, WMISC_EXPECTED );
 195                 return DRM_ERR(EINVAL);
 196         }
 197
 198         return 0;
 199 }