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. */
41static drm_pci_id_list_t via_pciidlist[] = {
42	viadrv_PCI_IDS
43};
44
45static 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
74static int
75via_probe(device_t kdev)
76{
77	return drm_probe(kdev, via_pciidlist);
78}
79
80static int
81via_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
93static int
94via_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
106static 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
115static driver_t via_driver = {
116	"drm",
117	via_methods,
118	sizeof(struct drm_device)
119};
120
121extern devclass_t drm_devclass;
122DRIVER_MODULE(via, vgapci, via_driver, drm_devclass, 0, 0);
123MODULE_DEPEND(via, drm, 1, 1, 1);
124