1 /* via_drv.c -- VIA unichrome driver -*- linux-c -*-
2 * Created: Fri Aug 12 2005 by anholt@FreeBSD.org
3 */
4 /*-
5 * Copyright 2005 Eric Anholt
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 * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
23 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Authors:
27 * Eric Anholt <anholt@FreeBSD.org>
28 *
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include "dev/drm/drmP.h"
35 #include "dev/drm/drm.h"
36 #include "dev/drm/via_drm.h"
37 #include "dev/drm/via_drv.h"
38 #include "dev/drm/drm_pciids.h"
39
40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
41 static drm_pci_id_list_t via_pciidlist[] = {
42 viadrv_PCI_IDS
43 };
44
via_configure(struct drm_device * dev)45 static void via_configure(struct drm_device *dev)
46 {
47 dev->driver->driver_features =
48 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ;
49
50 dev->driver->buf_priv_size = sizeof(drm_via_private_t);
51 dev->driver->load = via_driver_load;
52 dev->driver->unload = via_driver_unload;
53 dev->driver->lastclose = via_lastclose;
54 dev->driver->get_vblank_counter = via_get_vblank_counter;
55 dev->driver->enable_vblank = via_enable_vblank;
56 dev->driver->disable_vblank = via_disable_vblank;
57 dev->driver->irq_preinstall = via_driver_irq_preinstall;
58 dev->driver->irq_postinstall = via_driver_irq_postinstall;
59 dev->driver->irq_uninstall = via_driver_irq_uninstall;
60 dev->driver->irq_handler = via_driver_irq_handler;
61 dev->driver->dma_quiescent = via_driver_dma_quiescent;
62
63 dev->driver->ioctls = via_ioctls;
64 dev->driver->max_ioctl = via_max_ioctl;
65
66 dev->driver->name = DRIVER_NAME;
67 dev->driver->desc = DRIVER_DESC;
68 dev->driver->date = DRIVER_DATE;
69 dev->driver->major = DRIVER_MAJOR;
70 dev->driver->minor = DRIVER_MINOR;
71 dev->driver->patchlevel = DRIVER_PATCHLEVEL;
72 }
73
74 static int
via_probe(device_t kdev)75 via_probe(device_t kdev)
76 {
77 return drm_probe(kdev, via_pciidlist);
78 }
79
80 static int
via_attach(device_t kdev)81 via_attach(device_t kdev)
82 {
83 struct drm_device *dev = device_get_softc(kdev);
84
85 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
86 M_WAITOK | M_ZERO);
87
88 via_configure(dev);
89
90 return drm_attach(kdev, via_pciidlist);
91 }
92
93 static int
via_detach(device_t kdev)94 via_detach(device_t kdev)
95 {
96 struct drm_device *dev = device_get_softc(kdev);
97 int ret;
98
99 ret = drm_detach(kdev);
100
101 free(dev->driver, DRM_MEM_DRIVER);
102
103 return ret;
104 }
105
106 static device_method_t via_methods[] = {
107 /* Device interface */
108 DEVMETHOD(device_probe, via_probe),
109 DEVMETHOD(device_attach, via_attach),
110 DEVMETHOD(device_detach, via_detach),
111
112 { 0, 0 }
113 };
114
115 static driver_t via_driver = {
116 "drm",
117 via_methods,
118 sizeof(struct drm_device)
119 };
120
121 extern devclass_t drm_devclass;
122 DRIVER_MODULE(via, vgapci, via_driver, drm_devclass, 0, 0);
123 MODULE_DEPEND(via, drm, 1, 1, 1);
124