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  * 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  * $FreeBSD$
  30  */
  31
  32 #include "dev/drm/drmP.h"
  33 #include "dev/drm/drm.h"
  34 #include "dev/drm/mga_drm.h"
  35 #include "dev/drm/mga_drv.h"
  36 #include "dev/drm/mga_ucode.h"
  37
  38 #define MGA_WARP_CODE_ALIGN             256     /* in bytes */
  39
  40 #define WARP_UCODE_SIZE( which )                                        \
  41         ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
  42
  43 #define WARP_UCODE_INSTALL( which, where )                              \
  44 do {                                                                    \
  45         DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
  46         dev_priv->warp_pipe_phys[where] = pcbase;                       \
  47         memcpy( vcbase, which, sizeof(which) );                         \
  48         pcbase += WARP_UCODE_SIZE( which );                             \
  49         vcbase += WARP_UCODE_SIZE( which );                             \
  50 } while (0)
  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, sizeof(dev_priv->warp_pipe_phys));
 112
 113         WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
 114         WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
 115         WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
 116         WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
 117         WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
 118         WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
 119         WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
 120         WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);
 121
 122         WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
 123         WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
 124         WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
 125         WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
 126         WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
 127         WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
 128         WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
 129         WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);
 130
 131         return 0;
 132 }
 133
 134 static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
 135 {
 136         unsigned char *vcbase = dev_priv->warp->handle;
 137         unsigned long pcbase = dev_priv->warp->offset;
 138         unsigned int size;
 139
 140         size = mga_warp_g200_microcode_size(dev_priv);
 141         if (size > dev_priv->warp->size) {
 142                 DRM_ERROR("microcode too large! (%u > %lu)\n",
 143                           size, dev_priv->warp->size);
 144                 return DRM_ERR(ENOMEM);
 145         }
 146
 147         memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
 148
 149         WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
 150         WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
 151         WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
 152         WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
 153         WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
 154         WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
 155         WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
 156         WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
 157
 158         return 0;
 159 }
 160
 161 int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
 162 {
 163         switch (dev_priv->chipset) {
 164         case MGA_CARD_TYPE_G400:
 165                 return mga_warp_install_g400_microcode(dev_priv);
 166         case MGA_CARD_TYPE_G200:
 167                 return mga_warp_install_g200_microcode(dev_priv);
 168         default:
 169                 return DRM_ERR(EINVAL);
 170         }
 171 }
 172
 173 #define WMISC_EXPECTED          (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
 174
 175 int mga_warp_init(drm_mga_private_t * dev_priv)
 176 {
 177         u32 wmisc;
 178
 179         /* FIXME: Get rid of these damned magic numbers...
 180          */
 181         switch (dev_priv->chipset) {
 182         case MGA_CARD_TYPE_G400:
 183                 MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
 184                 MGA_WRITE(MGA_WGETMSB, 0x00000E00);
 185                 MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
 186                 MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
 187                 break;
 188         case MGA_CARD_TYPE_G200:
 189                 MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
 190                 MGA_WRITE(MGA_WGETMSB, 0x1606);
 191                 MGA_WRITE(MGA_WVRTXSZ, 7);
 192                 break;
 193         default:
 194                 return DRM_ERR(EINVAL);
 195         }
 196
 197         MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
 198                               MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
 199         wmisc = MGA_READ(MGA_WMISC);
 200         if (wmisc != WMISC_EXPECTED) {
 201                 DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
 202                           wmisc, WMISC_EXPECTED);
 203                 return DRM_ERR(EINVAL);
 204         }
 205
 206         return 0;
 207 }