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Diffstat (limited to 'drivers/char/drm/mga_warp.c')
-rw-r--r--drivers/char/drm/mga_warp.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/char/drm/mga_warp.c b/drivers/char/drm/mga_warp.c
new file mode 100644
index 000000000000..0a3a0cc700dc
--- /dev/null
+++ b/drivers/char/drm/mga_warp.c
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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 ) \
43do { \
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
52static 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
79static 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
98static 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
135static 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
163int 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
177int 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}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 09:22:39 -0500