sys/dev/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 /*-
   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("$FreeBSD$");
  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 }