11e25ede5255487b7ead18d0ae4630228f316035
[dragonfly.git] / sys / dev / drm / i915_drv.c
1 /* i915_drv.c -- Intel i915 driver -*- linux-c -*-
2  * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
3  */
4 /*-
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  *    Gareth Hughes <gareth@valinux.com>
29  *
30  */
31
32 #include "dev/drm/drmP.h"
33 #include "dev/drm/drm.h"
34 #include "dev/drm/i915_drm.h"
35 #include "dev/drm/i915_drv.h"
36 #include "dev/drm/drm_pciids.h"
37
38 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
39 static drm_pci_id_list_t i915_pciidlist[] = {
40         i915_PCI_IDS
41 };
42
43 static int i915_suspend(device_t kdev)
44 {
45         struct drm_device *dev = device_get_softc(kdev);
46
47         if (!dev || !dev->dev_private) {
48                 DRM_ERROR("DRM not initialized, aborting suspend.\n");
49                 return -ENODEV;
50         }
51
52         i915_save_state(dev);
53
54         return (bus_generic_suspend(kdev));
55 }
56
57 static int i915_resume(device_t kdev)
58 {
59         struct drm_device *dev = device_get_softc(kdev);
60
61         i915_restore_state(dev);
62
63         return (bus_generic_resume(kdev));
64 }
65
66 static void i915_configure(struct drm_device *dev)
67 {
68         dev->driver->driver_features =
69            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
70            DRIVER_HAVE_IRQ;
71
72         dev->driver->buf_priv_size      = sizeof(drm_i915_private_t);
73         dev->driver->load               = i915_driver_load;
74         dev->driver->unload             = i915_driver_unload;
75         dev->driver->preclose           = i915_driver_preclose;
76         dev->driver->lastclose          = i915_driver_lastclose;
77         dev->driver->device_is_agp      = i915_driver_device_is_agp;
78         dev->driver->enable_vblank      = i915_enable_vblank;
79         dev->driver->disable_vblank     = i915_disable_vblank;
80         dev->driver->irq_preinstall     = i915_driver_irq_preinstall;
81         dev->driver->irq_postinstall    = i915_driver_irq_postinstall;
82         dev->driver->irq_uninstall      = i915_driver_irq_uninstall;
83         dev->driver->irq_handler        = i915_driver_irq_handler;
84
85         dev->driver->ioctls             = i915_ioctls;
86         dev->driver->max_ioctl          = i915_max_ioctl;
87
88         dev->driver->name               = DRIVER_NAME;
89         dev->driver->desc               = DRIVER_DESC;
90         dev->driver->date               = DRIVER_DATE;
91         dev->driver->major              = DRIVER_MAJOR;
92         dev->driver->minor              = DRIVER_MINOR;
93         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
94 }
95
96 static int
97 i915_probe(device_t kdev)
98 {
99         return drm_probe(kdev, i915_pciidlist);
100 }
101
102 static int
103 i915_attach(device_t kdev)
104 {
105         struct drm_device *dev = device_get_softc(kdev);
106
107         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
108             M_WAITOK | M_ZERO);
109
110         i915_configure(dev);
111
112         return drm_attach(kdev, i915_pciidlist);
113 }
114
115 static int
116 i915_detach(device_t kdev)
117 {
118         struct drm_device *dev = device_get_softc(kdev);
119         int ret;
120
121         ret = drm_detach(kdev);
122
123         free(dev->driver, DRM_MEM_DRIVER);
124
125         return ret;
126 }
127
128 static device_method_t i915_methods[] = {
129         /* Device interface */
130         DEVMETHOD(device_probe,         i915_probe),
131         DEVMETHOD(device_attach,        i915_attach),
132         DEVMETHOD(device_suspend,       i915_suspend),
133         DEVMETHOD(device_resume,        i915_resume),
134         DEVMETHOD(device_detach,        i915_detach),
135
136         { 0, 0 }
137 };
138
139 static driver_t i915_driver = {
140 #if __FreeBSD_version >= 700010
141         "drm",
142 #else
143         "drmsub",
144 #endif
145         i915_methods,
146         sizeof(struct drm_device)
147 };
148
149 extern devclass_t drm_devclass;
150 #if __FreeBSD_version >= 700010
151 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
152 #else
153 DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0);
154 #endif
155 MODULE_DEPEND(i915, drm, 1, 1, 1);