mga_warp.c

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    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 /*-
    5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
    6  * All Rights Reserved.
    7  *
    8  * Permission is hereby granted, free of charge, to any person obtaining a
    9  * copy of this software and associated documentation files (the "Software"),
   10  * to deal in the Software without restriction, including without limitation
   11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   12  * and/or sell copies of the Software, and to permit persons to whom the
   13  * Software is furnished to do so, subject to the following conditions:
   14  *
   15  * The above copyright notice and this permission notice (including the next
   16  * paragraph) shall be included in all copies or substantial portions of the
   17  * Software.
   18  *
   19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
   23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   25  * OTHER DEALINGS IN THE SOFTWARE.
   26  *
   27  * Authors:
   28  *    Gareth Hughes <gareth@valinux.com>
   29  */
   30 
   31 #include <sys/cdefs.h>
   32 __FBSDID("$FreeBSD: releng/9.0/sys/dev/drm/mga_warp.c 207066 2010-04-22 18:21:25Z rnoland $");
   33 
   34 #include "dev/drm/drmP.h"
   35 #include "dev/drm/drm.h"
   36 #include "dev/drm/mga_drm.h"
   37 #include "dev/drm/mga_drv.h"
   38 #include "dev/drm/mga_ucode.h"
   39 
   40 #define MGA_WARP_CODE_ALIGN             256     /* in bytes */
   41 
   42 #define WARP_UCODE_SIZE( which )                                        \
   43         ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
   44 
   45 #define WARP_UCODE_INSTALL( which, where )                              \
   46 do {                                                                    \
   47         DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
   48         dev_priv->warp_pipe_phys[where] = pcbase;                       \
   49         memcpy( vcbase, which, sizeof(which) );                         \
   50         pcbase += WARP_UCODE_SIZE( which );                             \
   51         vcbase += WARP_UCODE_SIZE( which );                             \
   52 } while (0)
   53 
   54 static const unsigned int mga_warp_g400_microcode_size =
   55                (WARP_UCODE_SIZE(warp_g400_tgz) +
   56                 WARP_UCODE_SIZE(warp_g400_tgza) +
   57                 WARP_UCODE_SIZE(warp_g400_tgzaf) +
   58                 WARP_UCODE_SIZE(warp_g400_tgzf) +
   59                 WARP_UCODE_SIZE(warp_g400_tgzs) +
   60                 WARP_UCODE_SIZE(warp_g400_tgzsa) +
   61                 WARP_UCODE_SIZE(warp_g400_tgzsaf) +
   62                 WARP_UCODE_SIZE(warp_g400_tgzsf) +
   63                 WARP_UCODE_SIZE(warp_g400_t2gz) +
   64                 WARP_UCODE_SIZE(warp_g400_t2gza) +
   65                 WARP_UCODE_SIZE(warp_g400_t2gzaf) +
   66                 WARP_UCODE_SIZE(warp_g400_t2gzf) +
   67                 WARP_UCODE_SIZE(warp_g400_t2gzs) +
   68                 WARP_UCODE_SIZE(warp_g400_t2gzsa) +
   69                 WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
   70                 WARP_UCODE_SIZE(warp_g400_t2gzsf));
   71 
   72 static const unsigned int mga_warp_g200_microcode_size =
   73                (WARP_UCODE_SIZE(warp_g200_tgz) +
   74                 WARP_UCODE_SIZE(warp_g200_tgza) +
   75                 WARP_UCODE_SIZE(warp_g200_tgzaf) +
   76                 WARP_UCODE_SIZE(warp_g200_tgzf) +
   77                 WARP_UCODE_SIZE(warp_g200_tgzs) +
   78                 WARP_UCODE_SIZE(warp_g200_tgzsa) +
   79                 WARP_UCODE_SIZE(warp_g200_tgzsaf) +
   80                 WARP_UCODE_SIZE(warp_g200_tgzsf));
   81 
   82 
   83 unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
   84 {
   85         switch (dev_priv->chipset) {
   86         case MGA_CARD_TYPE_G400:
   87         case MGA_CARD_TYPE_G550:
   88                 return PAGE_ALIGN(mga_warp_g400_microcode_size);
   89         case MGA_CARD_TYPE_G200:
   90                 return PAGE_ALIGN(mga_warp_g200_microcode_size);
   91         default:
   92                 DRM_ERROR("Unknown chipset value: 0x%x\n", dev_priv->chipset);
   93                 return 0;
   94         }
   95 }
   96 
   97 static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
   98 {
   99         unsigned char *vcbase = dev_priv->warp->virtual;
  100         unsigned long pcbase = dev_priv->warp->offset;
  101 
  102         memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
  103 
  104         WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
  105         WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
  106         WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
  107         WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
  108         WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
  109         WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
  110         WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
  111         WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);
  112 
  113         WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
  114         WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
  115         WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
  116         WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
  117         WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
  118         WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
  119         WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
  120         WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);
  121 
  122         return 0;
  123 }
  124 
  125 static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
  126 {
  127         unsigned char *vcbase = dev_priv->warp->virtual;
  128         unsigned long pcbase = dev_priv->warp->offset;
  129 
  130         memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
  131 
  132         WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
  133         WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
  134         WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
  135         WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
  136         WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
  137         WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
  138         WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
  139         WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
  140 
  141         return 0;
  142 }
  143 
  144 int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
  145 {
  146         const unsigned int size = mga_warp_microcode_size(dev_priv);
  147 
  148         DRM_DEBUG("MGA ucode size = %d bytes\n", size);
  149         if (size > dev_priv->warp->size) {
  150                 DRM_ERROR("microcode too large! (%u > %lu)\n",
  151                           size, dev_priv->warp->size);
  152                 return -ENOMEM;
  153         }
  154 
  155         switch (dev_priv->chipset) {
  156         case MGA_CARD_TYPE_G400:
  157         case MGA_CARD_TYPE_G550:
  158                 return mga_warp_install_g400_microcode(dev_priv);
  159         case MGA_CARD_TYPE_G200:
  160                 return mga_warp_install_g200_microcode(dev_priv);
  161         default:
  162                 return -EINVAL;
  163         }
  164 }
  165 
  166 #define WMISC_EXPECTED          (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
  167 
  168 int mga_warp_init(drm_mga_private_t * dev_priv)
  169 {
  170         u32 wmisc;
  171 
  172         /* FIXME: Get rid of these damned magic numbers...
  173          */
  174         switch (dev_priv->chipset) {
  175         case MGA_CARD_TYPE_G400:
  176         case MGA_CARD_TYPE_G550:
  177                 MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
  178                 MGA_WRITE(MGA_WGETMSB, 0x00000E00);
  179                 MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
  180                 MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
  181                 break;
  182         case MGA_CARD_TYPE_G200:
  183                 MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
  184                 MGA_WRITE(MGA_WGETMSB, 0x1606);
  185                 MGA_WRITE(MGA_WVRTXSZ, 7);
  186                 break;
  187         default:
  188                 return -EINVAL;
  189         }
  190 
  191         MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
  192                               MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
  193         wmisc = MGA_READ(MGA_WMISC);
  194         if (wmisc != WMISC_EXPECTED) {
  195                 DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
  196                           wmisc, WMISC_EXPECTED);
  197                 return -EINVAL;
  198         }
  199 
  200         return 0;
  201 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/drm/mga_warp.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/mga_warp.c