Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | } |