blob: ddfe16197b59336e6d9c874e9e1b855a8222c430 [file] [log] [blame]
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include "drmP.h"
33#include "drm.h"
34#include "mga_drm.h"
35#include "mga_drv.h"
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#include "drm_pciids.h"
38
Dave Airlieeddca552007-07-11 16:09:54 +100039static int mga_driver_device_is_agp(struct drm_device * dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
41static struct pci_device_id pciidlist[] = {
42 mga_PCI_IDS
43};
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045static struct drm_driver driver = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +100046 .driver_features =
Dave Airlie7ccf8002005-11-11 23:11:34 +110047 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070048 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
Tilman Sauerbeck958de712006-10-24 21:52:23 +100049 .dev_priv_size = sizeof(drm_mga_buf_priv_t),
Dave Airlie22eae942005-11-10 22:16:34 +110050 .load = mga_driver_load,
51 .unload = mga_driver_unload,
52 .lastclose = mga_driver_lastclose,
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 .dma_quiescent = mga_driver_dma_quiescent,
Dave Airliecda17382005-07-10 17:31:26 +100054 .device_is_agp = mga_driver_device_is_agp,
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070055 .get_vblank_counter = mga_get_vblank_counter,
56 .enable_vblank = mga_enable_vblank,
57 .disable_vblank = mga_disable_vblank,
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 .irq_preinstall = mga_driver_irq_preinstall,
59 .irq_postinstall = mga_driver_irq_postinstall,
60 .irq_uninstall = mga_driver_irq_uninstall,
61 .irq_handler = mga_driver_irq_handler,
62 .reclaim_buffers = drm_core_reclaim_buffers,
63 .get_map_ofs = drm_core_get_map_ofs,
64 .get_reg_ofs = drm_core_get_reg_ofs,
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 .ioctls = mga_ioctls,
66 .dma_ioctl = mga_dma_buffers,
67 .fops = {
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070068 .owner = THIS_MODULE,
69 .open = drm_open,
70 .release = drm_release,
Arnd Bergmanned8b6702009-12-16 22:17:09 +000071 .unlocked_ioctl = drm_ioctl,
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070072 .mmap = drm_mmap,
73 .poll = drm_poll,
74 .fasync = drm_fasync,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +100075#ifdef CONFIG_COMPAT
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070076 .compat_ioctl = mga_compat_ioctl,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +100077#endif
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070078 },
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 .pci_driver = {
Jesse Barnes0a3e67a2008-09-30 12:14:26 -070080 .name = DRIVER_NAME,
81 .id_table = pciidlist,
Dave Airlie22eae942005-11-10 22:16:34 +110082 },
83
84 .name = DRIVER_NAME,
85 .desc = DRIVER_DESC,
86 .date = DRIVER_DATE,
87 .major = DRIVER_MAJOR,
88 .minor = DRIVER_MINOR,
89 .patchlevel = DRIVER_PATCHLEVEL,
Linus Torvalds1da177e2005-04-16 15:20:36 -070090};
91
92static int __init mga_init(void)
93{
94 driver.num_ioctls = mga_max_ioctl;
95 return drm_init(&driver);
96}
97
98static void __exit mga_exit(void)
99{
100 drm_exit(&driver);
101}
102
103module_init(mga_init);
104module_exit(mga_exit);
105
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000106MODULE_AUTHOR(DRIVER_AUTHOR);
107MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108MODULE_LICENSE("GPL and additional rights");
Dave Airliecda17382005-07-10 17:31:26 +1000109
110/**
111 * Determine if the device really is AGP or not.
112 *
113 * In addition to the usual tests performed by \c drm_device_is_agp, this
114 * function detects PCI G450 cards that appear to the system exactly like
115 * AGP G450 cards.
116 *
117 * \param dev The device to be tested.
118 *
119 * \returns
120 * If the device is a PCI G450, zero is returned. Otherwise 2 is returned.
121 */
Dave Airlieeddca552007-07-11 16:09:54 +1000122static int mga_driver_device_is_agp(struct drm_device * dev)
Dave Airliecda17382005-07-10 17:31:26 +1000123{
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000124 const struct pci_dev *const pdev = dev->pdev;
Dave Airliecda17382005-07-10 17:31:26 +1000125
126 /* There are PCI versions of the G450. These cards have the
127 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
128 * bridge chip. We detect these cards, which are not currently
129 * supported by this driver, by looking at the device ID of the
130 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
131 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
132 * device.
133 */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000134
Dave Airliebd07ed22005-11-23 21:45:43 +1100135 if ((pdev->device == 0x0525) && pdev->bus->self
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000136 && (pdev->bus->self->vendor == 0x3388)
137 && (pdev->bus->self->device == 0x0021)) {
Dave Airliecda17382005-07-10 17:31:26 +1000138 return 0;
139 }
140
141 return 2;
142}