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
4 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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:
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
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.
27 * Gareth Hughes <gareth@valinux.com>
34 #include "mga_ucode.h"
36 #define MGA_WARP_CODE_ALIGN 256 /* in bytes */
38 #define WARP_UCODE_SIZE( which ) \
39 ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
41 #define WARP_UCODE_INSTALL( which, where ) \
43 DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\
44 dev_priv->warp_pipe_phys[where] = pcbase; \
45 memcpy( vcbase, which, sizeof(which) ); \
46 pcbase += WARP_UCODE_SIZE( which ); \
47 vcbase += WARP_UCODE_SIZE( which ); \
50 static const unsigned int mga_warp_g400_microcode_size =
51 (WARP_UCODE_SIZE(warp_g400_tgz) +
52 WARP_UCODE_SIZE(warp_g400_tgza) +
53 WARP_UCODE_SIZE(warp_g400_tgzaf) +
54 WARP_UCODE_SIZE(warp_g400_tgzf) +
55 WARP_UCODE_SIZE(warp_g400_tgzs) +
56 WARP_UCODE_SIZE(warp_g400_tgzsa) +
57 WARP_UCODE_SIZE(warp_g400_tgzsaf) +
58 WARP_UCODE_SIZE(warp_g400_tgzsf) +
59 WARP_UCODE_SIZE(warp_g400_t2gz) +
60 WARP_UCODE_SIZE(warp_g400_t2gza) +
61 WARP_UCODE_SIZE(warp_g400_t2gzaf) +
62 WARP_UCODE_SIZE(warp_g400_t2gzf) +
63 WARP_UCODE_SIZE(warp_g400_t2gzs) +
64 WARP_UCODE_SIZE(warp_g400_t2gzsa) +
65 WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
66 WARP_UCODE_SIZE(warp_g400_t2gzsf));
68 static const unsigned int mga_warp_g200_microcode_size =
69 (WARP_UCODE_SIZE(warp_g200_tgz) +
70 WARP_UCODE_SIZE(warp_g200_tgza) +
71 WARP_UCODE_SIZE(warp_g200_tgzaf) +
72 WARP_UCODE_SIZE(warp_g200_tgzf) +
73 WARP_UCODE_SIZE(warp_g200_tgzs) +
74 WARP_UCODE_SIZE(warp_g200_tgzsa) +
75 WARP_UCODE_SIZE(warp_g200_tgzsaf) +
76 WARP_UCODE_SIZE(warp_g200_tgzsf));
79 unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
81 switch (dev_priv->chipset) {
82 case MGA_CARD_TYPE_G400:
83 case MGA_CARD_TYPE_G550:
84 return PAGE_ALIGN(mga_warp_g400_microcode_size);
85 case MGA_CARD_TYPE_G200:
86 return PAGE_ALIGN(mga_warp_g200_microcode_size);
92 static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
94 unsigned char *vcbase = dev_priv->warp->handle;
95 unsigned long pcbase = dev_priv->warp->offset;
97 memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
99 WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
100 WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
101 WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
102 WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
103 WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
104 WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
105 WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
106 WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);
108 WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
109 WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
110 WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
111 WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
112 WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
113 WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
114 WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
115 WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);
120 static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
122 unsigned char *vcbase = dev_priv->warp->handle;
123 unsigned long pcbase = dev_priv->warp->offset;
125 memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
127 WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
128 WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
129 WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
130 WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
131 WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
132 WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
133 WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
134 WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
139 int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
141 const unsigned int size = mga_warp_microcode_size(dev_priv);
143 DRM_DEBUG("MGA ucode size = %d bytes\n", size);
144 if (size > dev_priv->warp->size) {
145 DRM_ERROR("microcode too large! (%u > %lu)\n",
146 size, dev_priv->warp->size);
147 return DRM_ERR(ENOMEM);
150 switch (dev_priv->chipset) {
151 case MGA_CARD_TYPE_G400:
152 case MGA_CARD_TYPE_G550:
153 return mga_warp_install_g400_microcode(dev_priv);
154 case MGA_CARD_TYPE_G200:
155 return mga_warp_install_g200_microcode(dev_priv);
157 return DRM_ERR(EINVAL);
161 #define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
163 int mga_warp_init(drm_mga_private_t * dev_priv)
167 /* FIXME: Get rid of these damned magic numbers...
169 switch (dev_priv->chipset) {
170 case MGA_CARD_TYPE_G400:
171 case MGA_CARD_TYPE_G550:
172 MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
173 MGA_WRITE(MGA_WGETMSB, 0x00000E00);
174 MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
175 MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
177 case MGA_CARD_TYPE_G200:
178 MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
179 MGA_WRITE(MGA_WGETMSB, 0x1606);
180 MGA_WRITE(MGA_WVRTXSZ, 7);
183 return DRM_ERR(EINVAL);
186 MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
187 MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
188 wmisc = MGA_READ(MGA_WMISC);
189 if (wmisc != WMISC_EXPECTED) {
190 DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
191 wmisc, WMISC_EXPECTED);
192 return DRM_ERR(EINVAL);