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