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/*
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 *
27 * Authors:
28 *    Gareth Hughes <gareth@valinux.com>
29 */
30
31#include "drmP.h"
32#include "drm.h"
33#include "mga_drm.h"
34#include "mga_drv.h"
35#include "mga_ucode.h"
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
51static const unsigned int mga_warp_g400_microcode_size =
52	       (WARP_UCODE_SIZE(warp_g400_tgz) +
53		WARP_UCODE_SIZE(warp_g400_tgza) +
54		WARP_UCODE_SIZE(warp_g400_tgzaf) +
55		WARP_UCODE_SIZE(warp_g400_tgzf) +
56		WARP_UCODE_SIZE(warp_g400_tgzs) +
57		WARP_UCODE_SIZE(warp_g400_tgzsa) +
58		WARP_UCODE_SIZE(warp_g400_tgzsaf) +
59		WARP_UCODE_SIZE(warp_g400_tgzsf) +
60		WARP_UCODE_SIZE(warp_g400_t2gz) +
61		WARP_UCODE_SIZE(warp_g400_t2gza) +
62		WARP_UCODE_SIZE(warp_g400_t2gzaf) +
63		WARP_UCODE_SIZE(warp_g400_t2gzf) +
64		WARP_UCODE_SIZE(warp_g400_t2gzs) +
65		WARP_UCODE_SIZE(warp_g400_t2gzsa) +
66		WARP_UCODE_SIZE(warp_g400_t2gzsaf) +
67		WARP_UCODE_SIZE(warp_g400_t2gzsf));
68
69static const unsigned int mga_warp_g200_microcode_size =
70	       (WARP_UCODE_SIZE(warp_g200_tgz) +
71		WARP_UCODE_SIZE(warp_g200_tgza) +
72		WARP_UCODE_SIZE(warp_g200_tgzaf) +
73		WARP_UCODE_SIZE(warp_g200_tgzf) +
74		WARP_UCODE_SIZE(warp_g200_tgzs) +
75		WARP_UCODE_SIZE(warp_g200_tgzsa) +
76		WARP_UCODE_SIZE(warp_g200_tgzsaf) +
77		WARP_UCODE_SIZE(warp_g200_tgzsf));
78
79
80unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv)
81{
82	switch (dev_priv->chipset) {
83	case MGA_CARD_TYPE_G400:
84	case MGA_CARD_TYPE_G550:
85		return PAGE_ALIGN(mga_warp_g400_microcode_size);
86	case MGA_CARD_TYPE_G200:
87		return PAGE_ALIGN(mga_warp_g200_microcode_size);
88	default:
89		DRM_ERROR("Unknown chipset value: 0x%x\n", dev_priv->chipset);
90		return 0;
91	}
92}
93
94static int mga_warp_install_g400_microcode(drm_mga_private_t * dev_priv)
95{
96	unsigned char *vcbase = dev_priv->warp->handle;
97	unsigned long pcbase = dev_priv->warp->offset;
98
99	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
100
101	WARP_UCODE_INSTALL(warp_g400_tgz, MGA_WARP_TGZ);
102	WARP_UCODE_INSTALL(warp_g400_tgzf, MGA_WARP_TGZF);
103	WARP_UCODE_INSTALL(warp_g400_tgza, MGA_WARP_TGZA);
104	WARP_UCODE_INSTALL(warp_g400_tgzaf, MGA_WARP_TGZAF);
105	WARP_UCODE_INSTALL(warp_g400_tgzs, MGA_WARP_TGZS);
106	WARP_UCODE_INSTALL(warp_g400_tgzsf, MGA_WARP_TGZSF);
107	WARP_UCODE_INSTALL(warp_g400_tgzsa, MGA_WARP_TGZSA);
108	WARP_UCODE_INSTALL(warp_g400_tgzsaf, MGA_WARP_TGZSAF);
109
110	WARP_UCODE_INSTALL(warp_g400_t2gz, MGA_WARP_T2GZ);
111	WARP_UCODE_INSTALL(warp_g400_t2gzf, MGA_WARP_T2GZF);
112	WARP_UCODE_INSTALL(warp_g400_t2gza, MGA_WARP_T2GZA);
113	WARP_UCODE_INSTALL(warp_g400_t2gzaf, MGA_WARP_T2GZAF);
114	WARP_UCODE_INSTALL(warp_g400_t2gzs, MGA_WARP_T2GZS);
115	WARP_UCODE_INSTALL(warp_g400_t2gzsf, MGA_WARP_T2GZSF);
116	WARP_UCODE_INSTALL(warp_g400_t2gzsa, MGA_WARP_T2GZSA);
117	WARP_UCODE_INSTALL(warp_g400_t2gzsaf, MGA_WARP_T2GZSAF);
118
119	return 0;
120}
121
122static int mga_warp_install_g200_microcode(drm_mga_private_t * dev_priv)
123{
124	unsigned char *vcbase = dev_priv->warp->handle;
125	unsigned long pcbase = dev_priv->warp->offset;
126
127	memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
128
129	WARP_UCODE_INSTALL(warp_g200_tgz, MGA_WARP_TGZ);
130	WARP_UCODE_INSTALL(warp_g200_tgzf, MGA_WARP_TGZF);
131	WARP_UCODE_INSTALL(warp_g200_tgza, MGA_WARP_TGZA);
132	WARP_UCODE_INSTALL(warp_g200_tgzaf, MGA_WARP_TGZAF);
133	WARP_UCODE_INSTALL(warp_g200_tgzs, MGA_WARP_TGZS);
134	WARP_UCODE_INSTALL(warp_g200_tgzsf, MGA_WARP_TGZSF);
135	WARP_UCODE_INSTALL(warp_g200_tgzsa, MGA_WARP_TGZSA);
136	WARP_UCODE_INSTALL(warp_g200_tgzsaf, MGA_WARP_TGZSAF);
137
138	return 0;
139}
140
141int mga_warp_install_microcode(drm_mga_private_t * dev_priv)
142{
143	const unsigned int size = mga_warp_microcode_size(dev_priv);
144
145	DRM_DEBUG("MGA ucode size = %d bytes\n", size);
146	if (size > dev_priv->warp->size) {
147		DRM_ERROR("microcode too large! (%u > %lu)\n",
148			  size, dev_priv->warp->size);
149		return -ENOMEM;
150	}
151
152	switch (dev_priv->chipset) {
153	case MGA_CARD_TYPE_G400:
154	case MGA_CARD_TYPE_G550:
155		return mga_warp_install_g400_microcode(dev_priv);
156	case MGA_CARD_TYPE_G200:
157		return mga_warp_install_g200_microcode(dev_priv);
158	default:
159		return -EINVAL;
160	}
161}
162
163#define WMISC_EXPECTED		(MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
164
165int mga_warp_init(drm_mga_private_t * dev_priv)
166{
167	u32 wmisc;
168
169	/* FIXME: Get rid of these damned magic numbers...
170	 */
171	switch (dev_priv->chipset) {
172	case MGA_CARD_TYPE_G400:
173	case MGA_CARD_TYPE_G550:
174		MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND);
175		MGA_WRITE(MGA_WGETMSB, 0x00000E00);
176		MGA_WRITE(MGA_WVRTXSZ, 0x00001807);
177		MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000);
178		break;
179	case MGA_CARD_TYPE_G200:
180		MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND);
181		MGA_WRITE(MGA_WGETMSB, 0x1606);
182		MGA_WRITE(MGA_WVRTXSZ, 7);
183		break;
184	default:
185		return -EINVAL;
186	}
187
188	MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
189			      MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE));
190	wmisc = MGA_READ(MGA_WMISC);
191	if (wmisc != WMISC_EXPECTED) {
192		DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n",
193			  wmisc, WMISC_EXPECTED);
194		return -EINVAL;
195	}
196
197	return 0;
198}
199