aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/drm/mga_warp.c
blob: 0a3a0cc700dce028152916834d70c1ff9bf2c504 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
 * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com
 *
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Gareth Hughes <gareth@valinux.com>
 */

#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
#include "mga_drv.h"
#include "mga_ucode.h"


#define MGA_WARP_CODE_ALIGN		256		/* in bytes */

#define WARP_UCODE_SIZE( which )					\
	((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)

#define WARP_UCODE_INSTALL( which, where )				\
do {									\
	DRM_DEBUG( " pcbase = 0x%08lx  vcbase = %p\n", pcbase, vcbase );\
	dev_priv->warp_pipe_phys[where] = pcbase;			\
	memcpy( vcbase, which, sizeof(which) );				\
	pcbase += WARP_UCODE_SIZE( which );				\
	vcbase += WARP_UCODE_SIZE( which );				\
} while (0)


static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv )
{
	unsigned int size;

	size = ( WARP_UCODE_SIZE( warp_g400_tgz ) +
		 WARP_UCODE_SIZE( warp_g400_tgza ) +
		 WARP_UCODE_SIZE( warp_g400_tgzaf ) +
		 WARP_UCODE_SIZE( warp_g400_tgzf ) +
		 WARP_UCODE_SIZE( warp_g400_tgzs ) +
		 WARP_UCODE_SIZE( warp_g400_tgzsa ) +
		 WARP_UCODE_SIZE( warp_g400_tgzsaf ) +
		 WARP_UCODE_SIZE( warp_g400_tgzsf ) +
		 WARP_UCODE_SIZE( warp_g400_t2gz ) +
		 WARP_UCODE_SIZE( warp_g400_t2gza ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzaf ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzf ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzs ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzsa ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzsaf ) +
		 WARP_UCODE_SIZE( warp_g400_t2gzsf ) );

	size = PAGE_ALIGN( size );

	DRM_DEBUG( "G400 ucode size = %d bytes\n", size );
	return size;
}

static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv )
{
	unsigned int size;

	size = ( WARP_UCODE_SIZE( warp_g200_tgz ) +
		 WARP_UCODE_SIZE( warp_g200_tgza ) +
		 WARP_UCODE_SIZE( warp_g200_tgzaf ) +
		 WARP_UCODE_SIZE( warp_g200_tgzf ) +
		 WARP_UCODE_SIZE( warp_g200_tgzs ) +
		 WARP_UCODE_SIZE( warp_g200_tgzsa ) +
		 WARP_UCODE_SIZE( warp_g200_tgzsaf ) +
		 WARP_UCODE_SIZE( warp_g200_tgzsf ) );

	size = PAGE_ALIGN( size );

	DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
	return size;
}

static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
{
	unsigned char *vcbase = dev_priv->warp->handle;
	unsigned long pcbase = dev_priv->warp->offset;
	unsigned int size;

	size = mga_warp_g400_microcode_size( dev_priv );
	if ( size > dev_priv->warp->size ) {
		DRM_ERROR( "microcode too large! (%u > %lu)\n",
			   size, dev_priv->warp->size );
		return DRM_ERR(ENOMEM);
	}

	memset( dev_priv->warp_pipe_phys, 0,
		sizeof(dev_priv->warp_pipe_phys) );

	WARP_UCODE_INSTALL( warp_g400_tgz,	MGA_WARP_TGZ );
	WARP_UCODE_INSTALL( warp_g400_tgzf,	MGA_WARP_TGZF );
	WARP_UCODE_INSTALL( warp_g400_tgza,	MGA_WARP_TGZA );
	WARP_UCODE_INSTALL( warp_g400_tgzaf,	MGA_WARP_TGZAF );
	WARP_UCODE_INSTALL( warp_g400_tgzs,	MGA_WARP_TGZS );
	WARP_UCODE_INSTALL( warp_g400_tgzsf,	MGA_WARP_TGZSF );
	WARP_UCODE_INSTALL( warp_g400_tgzsa,	MGA_WARP_TGZSA );
	WARP_UCODE_INSTALL( warp_g400_tgzsaf,	MGA_WARP_TGZSAF );

	WARP_UCODE_INSTALL( warp_g400_t2gz,	MGA_WARP_T2GZ );
	WARP_UCODE_INSTALL( warp_g400_t2gzf,	MGA_WARP_T2GZF );
	WARP_UCODE_INSTALL( warp_g400_t2gza,	MGA_WARP_T2GZA );
	WARP_UCODE_INSTALL( warp_g400_t2gzaf,	MGA_WARP_T2GZAF );
	WARP_UCODE_INSTALL( warp_g400_t2gzs,	MGA_WARP_T2GZS );
	WARP_UCODE_INSTALL( warp_g400_t2gzsf,	MGA_WARP_T2GZSF );
	WARP_UCODE_INSTALL( warp_g400_t2gzsa,	MGA_WARP_T2GZSA );
	WARP_UCODE_INSTALL( warp_g400_t2gzsaf,	MGA_WARP_T2GZSAF );

	return 0;
}

static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
{
	unsigned char *vcbase = dev_priv->warp->handle;
	unsigned long pcbase = dev_priv->warp->offset;
	unsigned int size;

	size = mga_warp_g200_microcode_size( dev_priv );
	if ( size > dev_priv->warp->size ) {
		DRM_ERROR( "microcode too large! (%u > %lu)\n",
			   size, dev_priv->warp->size );
		return DRM_ERR(ENOMEM);
	}

	memset( dev_priv->warp_pipe_phys, 0,
		sizeof(dev_priv->warp_pipe_phys) );

	WARP_UCODE_INSTALL( warp_g200_tgz,	MGA_WARP_TGZ );
	WARP_UCODE_INSTALL( warp_g200_tgzf,	MGA_WARP_TGZF );
	WARP_UCODE_INSTALL( warp_g200_tgza,	MGA_WARP_TGZA );
	WARP_UCODE_INSTALL( warp_g200_tgzaf,	MGA_WARP_TGZAF );
	WARP_UCODE_INSTALL( warp_g200_tgzs,	MGA_WARP_TGZS );
	WARP_UCODE_INSTALL( warp_g200_tgzsf,	MGA_WARP_TGZSF );
	WARP_UCODE_INSTALL( warp_g200_tgzsa,	MGA_WARP_TGZSA );
	WARP_UCODE_INSTALL( warp_g200_tgzsaf,	MGA_WARP_TGZSAF );

	return 0;
}

int mga_warp_install_microcode(	drm_mga_private_t *dev_priv )
{
	switch ( dev_priv->chipset ) {
	case MGA_CARD_TYPE_G400:
		return mga_warp_install_g400_microcode( dev_priv );
	case MGA_CARD_TYPE_G200:
		return mga_warp_install_g200_microcode( dev_priv );
	default:
		return DRM_ERR(EINVAL);
	}
}

#define WMISC_EXPECTED		(MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)

int mga_warp_init( drm_mga_private_t *dev_priv )
{
	u32 wmisc;

	/* FIXME: Get rid of these damned magic numbers...
	 */
	switch ( dev_priv->chipset ) {
	case MGA_CARD_TYPE_G400:
		MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND );
		MGA_WRITE( MGA_WGETMSB, 0x00000E00 );
		MGA_WRITE( MGA_WVRTXSZ, 0x00001807 );
		MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 );
		break;
	case MGA_CARD_TYPE_G200:
		MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
		MGA_WRITE( MGA_WGETMSB, 0x1606 );
		MGA_WRITE( MGA_WVRTXSZ, 7 );
		break;
	default:
		return DRM_ERR(EINVAL);
	}

	MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
			       MGA_WMASTER_ENABLE |
			       MGA_WCACHEFLUSH_ENABLE) );
	wmisc = MGA_READ( MGA_WMISC );
	if ( wmisc != WMISC_EXPECTED ) {
		DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
			   wmisc, WMISC_EXPECTED );
		return DRM_ERR(EINVAL);
	}

	return 0;
}