1/*
2 * Copyright 2012 Red Hat
3 *
4 * This file is subject to the terms and conditions of the GNU General
5 * Public License version 2. See the file COPYING in the main
6 * directory of this archive for more details.
7 *
8 * Authors: Matthew Garrett
9 *          Dave Airlie
10 */
11#include <linux/module.h>
12#include <linux/console.h>
13#include <drm/drmP.h>
14
15#include "mgag200_drv.h"
16
17#include <drm/drm_pciids.h>
18
19/*
20 * This is the generic driver code. This binds the driver to the drm core,
21 * which then performs further device association and calls our graphics init
22 * functions
23 */
24int mgag200_modeset = -1;
25
26MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
27module_param_named(modeset, mgag200_modeset, int, 0400);
28
29static struct drm_driver driver;
30
31static const struct pci_device_id pciidlist[] = {
32	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A },
33	{ PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B },
34	{ PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV },
35	{ PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB },
36	{ PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH },
37	{ PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER },
38	{0,}
39};
40
41MODULE_DEVICE_TABLE(pci, pciidlist);
42
43static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
44{
45	struct apertures_struct *ap;
46	bool primary = false;
47
48	ap = alloc_apertures(1);
49	if (!ap)
50		return;
51
52	ap->ranges[0].base = pci_resource_start(pdev, 0);
53	ap->ranges[0].size = pci_resource_len(pdev, 0);
54
55#ifdef CONFIG_X86
56	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
57#endif
58	remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
59	kfree(ap);
60}
61
62
63static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
64{
65	mgag200_kick_out_firmware_fb(pdev);
66
67	return drm_get_pci_dev(pdev, ent, &driver);
68}
69
70static void mga_pci_remove(struct pci_dev *pdev)
71{
72	struct drm_device *dev = pci_get_drvdata(pdev);
73
74	drm_put_dev(dev);
75}
76
77static const struct file_operations mgag200_driver_fops = {
78	.owner = THIS_MODULE,
79	.open = drm_open,
80	.release = drm_release,
81	.unlocked_ioctl = drm_ioctl,
82	.mmap = mgag200_mmap,
83	.poll = drm_poll,
84#ifdef CONFIG_COMPAT
85	.compat_ioctl = drm_compat_ioctl,
86#endif
87	.read = drm_read,
88};
89
90static struct drm_driver driver = {
91	.driver_features = DRIVER_GEM | DRIVER_MODESET,
92	.load = mgag200_driver_load,
93	.unload = mgag200_driver_unload,
94	.set_busid = drm_pci_set_busid,
95	.fops = &mgag200_driver_fops,
96	.name = DRIVER_NAME,
97	.desc = DRIVER_DESC,
98	.date = DRIVER_DATE,
99	.major = DRIVER_MAJOR,
100	.minor = DRIVER_MINOR,
101	.patchlevel = DRIVER_PATCHLEVEL,
102
103	.gem_free_object = mgag200_gem_free_object,
104	.dumb_create = mgag200_dumb_create,
105	.dumb_map_offset = mgag200_dumb_mmap_offset,
106	.dumb_destroy = drm_gem_dumb_destroy,
107};
108
109static struct pci_driver mgag200_pci_driver = {
110	.name = DRIVER_NAME,
111	.id_table = pciidlist,
112	.probe = mga_pci_probe,
113	.remove = mga_pci_remove,
114};
115
116static int __init mgag200_init(void)
117{
118#ifdef CONFIG_VGA_CONSOLE
119	if (vgacon_text_force() && mgag200_modeset == -1)
120		return -EINVAL;
121#endif
122
123	if (mgag200_modeset == 0)
124		return -EINVAL;
125	return drm_pci_init(&driver, &mgag200_pci_driver);
126}
127
128static void __exit mgag200_exit(void)
129{
130	drm_pci_exit(&driver, &mgag200_pci_driver);
131}
132
133module_init(mgag200_init);
134module_exit(mgag200_exit);
135
136MODULE_AUTHOR(DRIVER_AUTHOR);
137MODULE_DESCRIPTION(DRIVER_DESC);
138MODULE_LICENSE("GPL");
139