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
31 #include "mga.h"
32 #include "drmP.h"
33 #include "drm.h"
34 #include "mga_drm.h"
35 #include "mga_drv.h"
36 #include "mga_ucode.h"
37
38
39 #define MGA_WARP_CODE_ALIGN 256 /* in bytes */
40
41 #define WARP_UCODE_SIZE( which ) \
42 ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
43
44 #define WARP_UCODE_INSTALL( which, where ) \
45 do { \
46 DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\
47 dev_priv->warp_pipe_phys[where] = pcbase; \
48 memcpy( vcbase, which, sizeof(which) ); \
49 pcbase += WARP_UCODE_SIZE( which ); \
50 vcbase += WARP_UCODE_SIZE( which ); \
51 } while (0)
52
53
mga_warp_g400_microcode_size(drm_mga_private_t * dev_priv)54 static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv )
55 {
56 unsigned int size;
57
58 size = ( WARP_UCODE_SIZE( warp_g400_tgz ) +
59 WARP_UCODE_SIZE( warp_g400_tgza ) +
60 WARP_UCODE_SIZE( warp_g400_tgzaf ) +
61 WARP_UCODE_SIZE( warp_g400_tgzf ) +
62 WARP_UCODE_SIZE( warp_g400_tgzs ) +
63 WARP_UCODE_SIZE( warp_g400_tgzsa ) +
64 WARP_UCODE_SIZE( warp_g400_tgzsaf ) +
65 WARP_UCODE_SIZE( warp_g400_tgzsf ) +
66 WARP_UCODE_SIZE( warp_g400_t2gz ) +
67 WARP_UCODE_SIZE( warp_g400_t2gza ) +
68 WARP_UCODE_SIZE( warp_g400_t2gzaf ) +
69 WARP_UCODE_SIZE( warp_g400_t2gzf ) +
70 WARP_UCODE_SIZE( warp_g400_t2gzs ) +
71 WARP_UCODE_SIZE( warp_g400_t2gzsa ) +
72 WARP_UCODE_SIZE( warp_g400_t2gzsaf ) +
73 WARP_UCODE_SIZE( warp_g400_t2gzsf ) );
74
75 size = PAGE_ALIGN( size );
76
77 DRM_DEBUG( "G400 ucode size = %d bytes\n", size );
78 return size;
79 }
80
mga_warp_g200_microcode_size(drm_mga_private_t * dev_priv)81 static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv )
82 {
83 unsigned int size;
84
85 size = ( WARP_UCODE_SIZE( warp_g200_tgz ) +
86 WARP_UCODE_SIZE( warp_g200_tgza ) +
87 WARP_UCODE_SIZE( warp_g200_tgzaf ) +
88 WARP_UCODE_SIZE( warp_g200_tgzf ) +
89 WARP_UCODE_SIZE( warp_g200_tgzs ) +
90 WARP_UCODE_SIZE( warp_g200_tgzsa ) +
91 WARP_UCODE_SIZE( warp_g200_tgzsaf ) +
92 WARP_UCODE_SIZE( warp_g200_tgzsf ) );
93
94 size = PAGE_ALIGN( size );
95
96 DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
97 return size;
98 }
99
mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)100 static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
101 {
102 unsigned char *vcbase = dev_priv->warp->handle;
103 unsigned long pcbase = dev_priv->warp->offset;
104 unsigned int size;
105
106 size = mga_warp_g400_microcode_size( dev_priv );
107 if ( size > dev_priv->warp->size ) {
108 DRM_ERROR( "microcode too large! (%u > %lu)\n",
109 size, dev_priv->warp->size );
110 return -ENOMEM;
111 }
112
113 memset( dev_priv->warp_pipe_phys, 0,
114 sizeof(dev_priv->warp_pipe_phys) );
115
116 WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ );
117 WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF );
118 WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA );
119 WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF );
120 WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS );
121 WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF );
122 WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA );
123 WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF );
124
125 WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ );
126 WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF );
127 WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA );
128 WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF );
129 WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS );
130 WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF );
131 WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA );
132 WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF );
133
134 return 0;
135 }
136
mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)137 static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
138 {
139 unsigned char *vcbase = dev_priv->warp->handle;
140 unsigned long pcbase = dev_priv->warp->offset;
141 unsigned int size;
142
143 size = mga_warp_g200_microcode_size( dev_priv );
144 if ( size > dev_priv->warp->size ) {
145 DRM_ERROR( "microcode too large! (%u > %lu)\n",
146 size, dev_priv->warp->size );
147 return -ENOMEM;
148 }
149
150 memset( dev_priv->warp_pipe_phys, 0,
151 sizeof(dev_priv->warp_pipe_phys) );
152
153 WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ );
154 WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF );
155 WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA );
156 WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF );
157 WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS );
158 WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF );
159 WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA );
160 WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF );
161
162 return 0;
163 }
164
mga_warp_install_microcode(drm_mga_private_t * dev_priv)165 int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
166 {
167 switch ( dev_priv->chipset ) {
168 case MGA_CARD_TYPE_G400:
169 return mga_warp_install_g400_microcode( dev_priv );
170 case MGA_CARD_TYPE_G200:
171 return mga_warp_install_g200_microcode( dev_priv );
172 default:
173 return -EINVAL;
174 }
175 }
176
177 #define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
178
mga_warp_init(drm_mga_private_t * dev_priv)179 int mga_warp_init( drm_mga_private_t *dev_priv )
180 {
181 u32 wmisc;
182
183 /* FIXME: Get rid of these damned magic numbers...
184 */
185 switch ( dev_priv->chipset ) {
186 case MGA_CARD_TYPE_G400:
187 MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND );
188 MGA_WRITE( MGA_WGETMSB, 0x00000E00 );
189 MGA_WRITE( MGA_WVRTXSZ, 0x00001807 );
190 MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 );
191 break;
192 case MGA_CARD_TYPE_G200:
193 MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
194 MGA_WRITE( MGA_WGETMSB, 0x1606 );
195 MGA_WRITE( MGA_WVRTXSZ, 7 );
196 break;
197 default:
198 return -EINVAL;
199 }
200
201 MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
202 MGA_WMASTER_ENABLE |
203 MGA_WCACHEFLUSH_ENABLE) );
204 wmisc = MGA_READ( MGA_WMISC );
205 if ( wmisc != WMISC_EXPECTED ) {
206 DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
207 wmisc, WMISC_EXPECTED );
208 return -EINVAL;
209 }
210
211 return 0;
212 }
213