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1/* 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 "drmP.h"
33#include "drm.h"
34#include "mga_drm.h"
35#include "mga_drv.h"
36
37#include "drm_pciids.h"
38
39static int mga_driver_device_is_agp(struct drm_device *dev);
40
41static struct pci_device_id pciidlist[] = {
42 mga_PCI_IDS
43};
44
45static struct drm_driver driver = {
46 .driver_features =
47 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
48 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
49 .dev_priv_size = sizeof(drm_mga_buf_priv_t),
50 .load = mga_driver_load,
51 .unload = mga_driver_unload,
52 .lastclose = mga_driver_lastclose,
53 .dma_quiescent = mga_driver_dma_quiescent,
54 .device_is_agp = mga_driver_device_is_agp,
55 .get_vblank_counter = mga_get_vblank_counter,
56 .enable_vblank = mga_enable_vblank,
57 .disable_vblank = mga_disable_vblank,
58 .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 .ioctls = mga_ioctls,
64 .dma_ioctl = mga_dma_buffers,
65 .fops = {
66 .owner = THIS_MODULE,
67 .open = drm_open,
68 .release = drm_release,
69 .unlocked_ioctl = drm_ioctl,
70 .mmap = drm_mmap,
71 .poll = drm_poll,
72 .fasync = drm_fasync,
73#ifdef CONFIG_COMPAT
74 .compat_ioctl = mga_compat_ioctl,
75#endif
76 .llseek = noop_llseek,
77 },
78
79 .name = DRIVER_NAME,
80 .desc = DRIVER_DESC,
81 .date = DRIVER_DATE,
82 .major = DRIVER_MAJOR,
83 .minor = DRIVER_MINOR,
84 .patchlevel = DRIVER_PATCHLEVEL,
85};
86
87static struct pci_driver mga_pci_driver = {
88 .name = DRIVER_NAME,
89 .id_table = pciidlist,
90};
91
92static int __init mga_init(void)
93{
94 driver.num_ioctls = mga_max_ioctl;
95 return drm_pci_init(&driver, &mga_pci_driver);
96}
97
98static void __exit mga_exit(void)
99{
100 drm_pci_exit(&driver, &mga_pci_driver);
101}
102
103module_init(mga_init);
104module_exit(mga_exit);
105
106MODULE_AUTHOR(DRIVER_AUTHOR);
107MODULE_DESCRIPTION(DRIVER_DESC);
108MODULE_LICENSE("GPL and additional rights");
109
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 */
122static int mga_driver_device_is_agp(struct drm_device *dev)
123{
124 const struct pci_dev *const pdev = dev->pdev;
125
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 */
134
135 if ((pdev->device == 0x0525) && pdev->bus->self
136 && (pdev->bus->self->vendor == 0x3388)
137 && (pdev->bus->self->device == 0x0021)) {
138 return 0;
139 }
140
141 return 2;
142}
1/* 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/module.h>
33
34#include <drm/drm_drv.h>
35#include <drm/drm_pciids.h>
36
37#include "mga_drv.h"
38
39static struct pci_device_id pciidlist[] = {
40 mga_PCI_IDS
41};
42
43static const struct file_operations mga_driver_fops = {
44 .owner = THIS_MODULE,
45 .open = drm_open,
46 .release = drm_release,
47 .unlocked_ioctl = drm_ioctl,
48 .mmap = drm_legacy_mmap,
49 .poll = drm_poll,
50#ifdef CONFIG_COMPAT
51 .compat_ioctl = mga_compat_ioctl,
52#endif
53 .llseek = noop_llseek,
54};
55
56static struct drm_driver driver = {
57 .driver_features =
58 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_LEGACY |
59 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ,
60 .dev_priv_size = sizeof(drm_mga_buf_priv_t),
61 .load = mga_driver_load,
62 .unload = mga_driver_unload,
63 .lastclose = mga_driver_lastclose,
64 .dma_quiescent = mga_driver_dma_quiescent,
65 .get_vblank_counter = mga_get_vblank_counter,
66 .enable_vblank = mga_enable_vblank,
67 .disable_vblank = mga_disable_vblank,
68 .irq_preinstall = mga_driver_irq_preinstall,
69 .irq_postinstall = mga_driver_irq_postinstall,
70 .irq_uninstall = mga_driver_irq_uninstall,
71 .irq_handler = mga_driver_irq_handler,
72 .ioctls = mga_ioctls,
73 .dma_ioctl = mga_dma_buffers,
74 .fops = &mga_driver_fops,
75 .name = DRIVER_NAME,
76 .desc = DRIVER_DESC,
77 .date = DRIVER_DATE,
78 .major = DRIVER_MAJOR,
79 .minor = DRIVER_MINOR,
80 .patchlevel = DRIVER_PATCHLEVEL,
81};
82
83static struct pci_driver mga_pci_driver = {
84 .name = DRIVER_NAME,
85 .id_table = pciidlist,
86};
87
88static int __init mga_init(void)
89{
90 driver.num_ioctls = mga_max_ioctl;
91 return drm_legacy_pci_init(&driver, &mga_pci_driver);
92}
93
94static void __exit mga_exit(void)
95{
96 drm_legacy_pci_exit(&driver, &mga_pci_driver);
97}
98
99module_init(mga_init);
100module_exit(mga_exit);
101
102MODULE_AUTHOR(DRIVER_AUTHOR);
103MODULE_DESCRIPTION(DRIVER_DESC);
104MODULE_LICENSE("GPL and additional rights");