i915_drv.c revision 194741 
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 <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/dev/drm/i915_drv.c 194741 2009-06-23 17:38:28Z rnoland $");
34
35#include "dev/drm/drmP.h"
36#include "dev/drm/drm.h"
37#include "dev/drm/i915_drm.h"
38#include "dev/drm/i915_drv.h"
39#include "dev/drm/drm_pciids.h"
40
41/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
42static drm_pci_id_list_t i915_pciidlist[] = {
43	i915_PCI_IDS
44};
45
46static int i915_suspend(device_t kdev)
47{
48	struct drm_device *dev = device_get_softc(kdev);
49
50	if (!dev || !dev->dev_private) {
51		DRM_ERROR("DRM not initialized, aborting suspend.\n");
52		return -ENODEV;
53	}
54
55	DRM_LOCK();
56	DRM_DEBUG("starting suspend\n");
57	i915_save_state(dev);
58	DRM_UNLOCK();
59
60	return (bus_generic_suspend(kdev));
61}
62
63static int i915_resume(device_t kdev)
64{
65	struct drm_device *dev = device_get_softc(kdev);
66
67	DRM_LOCK();
68	i915_restore_state(dev);
69	DRM_DEBUG("finished resume\n");
70	DRM_UNLOCK();
71
72	return (bus_generic_resume(kdev));
73}
74
75static void i915_configure(struct drm_device *dev)
76{
77	dev->driver->driver_features =
78	   DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
79	   DRIVER_HAVE_IRQ;
80
81	dev->driver->buf_priv_size	= sizeof(drm_i915_private_t);
82	dev->driver->load		= i915_driver_load;
83	dev->driver->unload		= i915_driver_unload;
84	dev->driver->preclose		= i915_driver_preclose;
85	dev->driver->lastclose		= i915_driver_lastclose;
86	dev->driver->device_is_agp	= i915_driver_device_is_agp;
87	dev->driver->enable_vblank	= i915_enable_vblank;
88	dev->driver->disable_vblank	= i915_disable_vblank;
89	dev->driver->irq_preinstall	= i915_driver_irq_preinstall;
90	dev->driver->irq_postinstall	= i915_driver_irq_postinstall;
91	dev->driver->irq_uninstall	= i915_driver_irq_uninstall;
92	dev->driver->irq_handler	= i915_driver_irq_handler;
93
94	dev->driver->ioctls		= i915_ioctls;
95	dev->driver->max_ioctl		= i915_max_ioctl;
96
97	dev->driver->name		= DRIVER_NAME;
98	dev->driver->desc		= DRIVER_DESC;
99	dev->driver->date		= DRIVER_DATE;
100	dev->driver->major		= DRIVER_MAJOR;
101	dev->driver->minor		= DRIVER_MINOR;
102	dev->driver->patchlevel		= DRIVER_PATCHLEVEL;
103}
104
105static int
106i915_probe(device_t kdev)
107{
108	return drm_probe(kdev, i915_pciidlist);
109}
110
111static int
112i915_attach(device_t kdev)
113{
114	struct drm_device *dev = device_get_softc(kdev);
115
116	dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
117	    M_WAITOK | M_ZERO);
118
119	i915_configure(dev);
120
121	return drm_attach(kdev, i915_pciidlist);
122}
123
124static int
125i915_detach(device_t kdev)
126{
127	struct drm_device *dev = device_get_softc(kdev);
128	int ret;
129
130	ret = drm_detach(kdev);
131
132	free(dev->driver, DRM_MEM_DRIVER);
133
134	return ret;
135}
136
137static device_method_t i915_methods[] = {
138	/* Device interface */
139	DEVMETHOD(device_probe,		i915_probe),
140	DEVMETHOD(device_attach,	i915_attach),
141	DEVMETHOD(device_suspend,	i915_suspend),
142	DEVMETHOD(device_resume,	i915_resume),
143	DEVMETHOD(device_detach,	i915_detach),
144
145	{ 0, 0 }
146};
147
148static driver_t i915_driver = {
149#if __FreeBSD_version >= 700010
150	"drm",
151#else
152	"drmsub",
153#endif
154	i915_methods,
155	sizeof(struct drm_device)
156};
157
158extern devclass_t drm_devclass;
159#if __FreeBSD_version >= 700010
160DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
161#else
162DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0);
163#endif
164MODULE_DEPEND(i915, drm, 1, 1, 1);
165