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1 | /* vim: set ts=8 sw=8 tw=78 ai noexpandtab */ |
2 | /* qxl_drv.c -- QXL driver -*- linux-c -*- | |
3 | * | |
4 | * Copyright 2011 Red Hat, Inc. | |
5 | * All Rights Reserved. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation | |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
11 | * and/or sell copies of the Software, and to permit persons to whom the | |
12 | * Software is furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the next | |
15 | * paragraph) shall be included in all copies or substantial portions of the | |
16 | * Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
22 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
23 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
24 | * OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Dave Airlie <airlie@redhat.com> | |
28 | * Alon Levy <alevy@redhat.com> | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
32 | #include <linux/console.h> | |
33 | ||
34 | #include "drmP.h" | |
35 | #include "drm/drm.h" | |
36 | ||
37 | #include "qxl_drv.h" | |
38 | ||
39 | extern int qxl_max_ioctls; | |
40 | static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { | |
41 | { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, | |
42 | 0xffff00, 0 }, | |
43 | { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8, | |
44 | 0xffff00, 0 }, | |
45 | { 0, 0, 0 }, | |
46 | }; | |
47 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
48 | ||
49 | int qxl_modeset = -1; | |
50 | ||
51 | MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); | |
52 | module_param_named(modeset, qxl_modeset, int, 0400); | |
53 | ||
54 | static struct drm_driver qxl_driver; | |
55 | static struct pci_driver qxl_pci_driver; | |
56 | ||
57 | static int | |
58 | qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
59 | { | |
60 | if (pdev->revision < 4) { | |
61 | DRM_ERROR("qxl too old, doesn't support client_monitors_config," | |
62 | " use xf86-video-qxl in user mode"); | |
63 | return -EINVAL; /* TODO: ENODEV ? */ | |
64 | } | |
65 | return drm_get_pci_dev(pdev, ent, &qxl_driver); | |
66 | } | |
67 | ||
68 | static void | |
69 | qxl_pci_remove(struct pci_dev *pdev) | |
70 | { | |
71 | struct drm_device *dev = pci_get_drvdata(pdev); | |
72 | ||
73 | drm_put_dev(dev); | |
74 | } | |
75 | ||
76 | static struct pci_driver qxl_pci_driver = { | |
77 | .name = DRIVER_NAME, | |
78 | .id_table = pciidlist, | |
79 | .probe = qxl_pci_probe, | |
80 | .remove = qxl_pci_remove, | |
81 | }; | |
82 | ||
83 | static const struct file_operations qxl_fops = { | |
84 | .owner = THIS_MODULE, | |
85 | .open = drm_open, | |
86 | .release = drm_release, | |
87 | .unlocked_ioctl = drm_ioctl, | |
88 | .poll = drm_poll, | |
89 | .fasync = drm_fasync, | |
90 | .mmap = qxl_mmap, | |
91 | }; | |
92 | ||
93 | static struct drm_driver qxl_driver = { | |
94 | .driver_features = DRIVER_GEM | DRIVER_MODESET | | |
95 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, | |
96 | .dev_priv_size = 0, | |
97 | .load = qxl_driver_load, | |
98 | .unload = qxl_driver_unload, | |
99 | ||
100 | .dumb_create = qxl_mode_dumb_create, | |
101 | .dumb_map_offset = qxl_mode_dumb_mmap, | |
102 | .dumb_destroy = qxl_mode_dumb_destroy, | |
103 | #if defined(CONFIG_DEBUG_FS) | |
104 | .debugfs_init = qxl_debugfs_init, | |
105 | .debugfs_cleanup = qxl_debugfs_takedown, | |
106 | #endif | |
107 | .gem_init_object = qxl_gem_object_init, | |
108 | .gem_free_object = qxl_gem_object_free, | |
109 | .gem_open_object = qxl_gem_object_open, | |
110 | .gem_close_object = qxl_gem_object_close, | |
111 | .fops = &qxl_fops, | |
112 | .ioctls = qxl_ioctls, | |
113 | .irq_handler = qxl_irq_handler, | |
114 | .name = DRIVER_NAME, | |
115 | .desc = DRIVER_DESC, | |
116 | .date = DRIVER_DATE, | |
117 | .major = 0, | |
118 | .minor = 1, | |
119 | .patchlevel = 0, | |
120 | }; | |
121 | ||
122 | static int __init qxl_init(void) | |
123 | { | |
124 | #ifdef CONFIG_VGA_CONSOLE | |
125 | if (vgacon_text_force() && qxl_modeset == -1) | |
126 | return -EINVAL; | |
127 | #endif | |
128 | ||
129 | if (qxl_modeset == 0) | |
130 | return -EINVAL; | |
131 | qxl_driver.num_ioctls = qxl_max_ioctls; | |
132 | return drm_pci_init(&qxl_driver, &qxl_pci_driver); | |
133 | } | |
134 | ||
135 | static void __exit qxl_exit(void) | |
136 | { | |
137 | drm_pci_exit(&qxl_driver, &qxl_pci_driver); | |
138 | } | |
139 | ||
140 | module_init(qxl_init); | |
141 | module_exit(qxl_exit); | |
142 | ||
143 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
144 | MODULE_DESCRIPTION(DRIVER_DESC); | |
145 | MODULE_LICENSE("GPL and additional rights"); |