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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
2 * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
3 *
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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 * Rickard E. (Rik) Faith <faith@valinux.com>
29 * Gareth Hughes <gareth@valinux.com>
30 */
31
32#include <linux/config.h>
33#include "drmP.h"
34#include "drm.h"
35#include "mga_drm.h"
36#include "mga_drv.h"
37
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include "drm_pciids.h"
39
Dave Airliecda17382005-07-10 17:31:26 +100040static int mga_driver_device_is_agp(drm_device_t * dev);
Dave Airlieb5e89ed2005-09-25 14:28:13 +100041static int postinit(struct drm_device *dev, unsigned long flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -070042{
Dave Airlieb5e89ed2005-09-25 14:28:13 +100043 drm_mga_private_t *const dev_priv =
44 (drm_mga_private_t *) dev->dev_private;
Dave Airlied01cff42005-07-10 19:24:35 +100045
46 dev_priv->mmio_base = pci_resource_start(dev->pdev, 1);
47 dev_priv->mmio_size = pci_resource_len(dev->pdev, 1);
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 dev->counters += 3;
50 dev->types[6] = _DRM_STAT_IRQ;
51 dev->types[7] = _DRM_STAT_PRIMARY;
52 dev->types[8] = _DRM_STAT_SECONDARY;
53
Dave Airlieb5e89ed2005-09-25 14:28:13 +100054 DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
55 DRIVER_NAME,
56 DRIVER_MAJOR,
57 DRIVER_MINOR,
58 DRIVER_PATCHLEVEL,
59 DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
60 );
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 return 0;
62}
63
Dave Airlieb5e89ed2005-09-25 14:28:13 +100064static int version(drm_version_t * version)
Linus Torvalds1da177e2005-04-16 15:20:36 -070065{
66 int len;
67
68 version->version_major = DRIVER_MAJOR;
69 version->version_minor = DRIVER_MINOR;
70 version->version_patchlevel = DRIVER_PATCHLEVEL;
Dave Airlieb5e89ed2005-09-25 14:28:13 +100071 DRM_COPY(version->name, DRIVER_NAME);
72 DRM_COPY(version->date, DRIVER_DATE);
73 DRM_COPY(version->desc, DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 return 0;
75}
76
77static struct pci_device_id pciidlist[] = {
78 mga_PCI_IDS
79};
80
Linus Torvalds1da177e2005-04-16 15:20:36 -070081static struct drm_driver driver = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +100082 .driver_features =
83 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
84 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
85 DRIVER_IRQ_VBL,
Dave Airlied01cff42005-07-10 19:24:35 +100086 .preinit = mga_driver_preinit,
87 .postcleanup = mga_driver_postcleanup,
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 .pretakedown = mga_driver_pretakedown,
89 .dma_quiescent = mga_driver_dma_quiescent,
Dave Airliecda17382005-07-10 17:31:26 +100090 .device_is_agp = mga_driver_device_is_agp,
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 .vblank_wait = mga_driver_vblank_wait,
92 .irq_preinstall = mga_driver_irq_preinstall,
93 .irq_postinstall = mga_driver_irq_postinstall,
94 .irq_uninstall = mga_driver_irq_uninstall,
95 .irq_handler = mga_driver_irq_handler,
96 .reclaim_buffers = drm_core_reclaim_buffers,
97 .get_map_ofs = drm_core_get_map_ofs,
98 .get_reg_ofs = drm_core_get_reg_ofs,
99 .postinit = postinit,
100 .version = version,
101 .ioctls = mga_ioctls,
102 .dma_ioctl = mga_dma_buffers,
103 .fops = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000104 .owner = THIS_MODULE,
105 .open = drm_open,
106 .release = drm_release,
107 .ioctl = drm_ioctl,
108 .mmap = drm_mmap,
109 .poll = drm_poll,
110 .fasync = drm_fasync,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000111#ifdef CONFIG_COMPAT
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000112 .compat_ioctl = mga_compat_ioctl,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000113#endif
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000114 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 .pci_driver = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000116 .name = DRIVER_NAME,
117 .id_table = pciidlist,
118 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119};
120
121static int __init mga_init(void)
122{
123 driver.num_ioctls = mga_max_ioctl;
124 return drm_init(&driver);
125}
126
127static void __exit mga_exit(void)
128{
129 drm_exit(&driver);
130}
131
132module_init(mga_init);
133module_exit(mga_exit);
134
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000135MODULE_AUTHOR(DRIVER_AUTHOR);
136MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137MODULE_LICENSE("GPL and additional rights");
Dave Airliecda17382005-07-10 17:31:26 +1000138
139/**
140 * Determine if the device really is AGP or not.
141 *
142 * In addition to the usual tests performed by \c drm_device_is_agp, this
143 * function detects PCI G450 cards that appear to the system exactly like
144 * AGP G450 cards.
145 *
146 * \param dev The device to be tested.
147 *
148 * \returns
149 * If the device is a PCI G450, zero is returned. Otherwise 2 is returned.
150 */
Dave Airlieb3a83632005-09-30 18:37:36 +1000151static int mga_driver_device_is_agp(drm_device_t * dev)
Dave Airliecda17382005-07-10 17:31:26 +1000152{
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000153 const struct pci_dev *const pdev = dev->pdev;
Dave Airliecda17382005-07-10 17:31:26 +1000154
155 /* There are PCI versions of the G450. These cards have the
156 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
157 * bridge chip. We detect these cards, which are not currently
158 * supported by this driver, by looking at the device ID of the
159 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
160 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
161 * device.
162 */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000163
164 if ((pdev->device == 0x0525)
165 && (pdev->bus->self->vendor == 0x3388)
166 && (pdev->bus->self->device == 0x0021)) {
Dave Airliecda17382005-07-10 17:31:26 +1000167 return 0;
168 }
169
170 return 2;
171}