1 /* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
2 * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
38 #include "drm_pciids.h"
40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
41 static drm_pci_id_list_t mga_pciidlist[] = {
46 * Determine if the device really is AGP or not.
48 * In addition to the usual tests performed by \c drm_device_is_agp, this
49 * function detects PCI G450 cards that appear to the system exactly like
52 * \param dev The device to be tested.
55 * If the device is a PCI G450, zero is returned. Otherwise non-zero is
59 * This function needs to be filled in! The implementation in
60 * linux-core/mga_drv.c shows what needs to be done.
62 static int mga_driver_device_is_agp(struct drm_device * dev)
66 /* There are PCI versions of the G450. These cards have the
67 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
68 * bridge chip. We detect these cards, which are not currently
69 * supported by this driver, by looking at the device ID of the
70 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
71 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
74 #if __FreeBSD_version >= 700010
75 bus = device_get_parent(device_get_parent(dev->device));
77 bus = device_get_parent(dev->device);
79 if (pci_get_device(dev->device) == 0x0525 &&
80 pci_get_vendor(bus) == 0x3388 &&
81 pci_get_device(bus) == 0x0021)
82 return DRM_IS_NOT_AGP;
84 return DRM_MIGHT_BE_AGP;
87 static void mga_configure(struct drm_device *dev)
89 dev->driver->driver_features =
90 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
91 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
93 dev->driver->buf_priv_size = sizeof(drm_mga_buf_priv_t);
94 dev->driver->load = mga_driver_load;
95 dev->driver->unload = mga_driver_unload;
96 dev->driver->lastclose = mga_driver_lastclose;
97 dev->driver->get_vblank_counter = mga_get_vblank_counter;
98 dev->driver->enable_vblank = mga_enable_vblank;
99 dev->driver->disable_vblank = mga_disable_vblank;
100 dev->driver->irq_preinstall = mga_driver_irq_preinstall;
101 dev->driver->irq_postinstall = mga_driver_irq_postinstall;
102 dev->driver->irq_uninstall = mga_driver_irq_uninstall;
103 dev->driver->irq_handler = mga_driver_irq_handler;
104 dev->driver->dma_ioctl = mga_dma_buffers;
105 dev->driver->dma_quiescent = mga_driver_dma_quiescent;
106 dev->driver->device_is_agp = mga_driver_device_is_agp;
108 dev->driver->ioctls = mga_ioctls;
109 dev->driver->max_ioctl = mga_max_ioctl;
111 dev->driver->name = DRIVER_NAME;
112 dev->driver->desc = DRIVER_DESC;
113 dev->driver->date = DRIVER_DATE;
114 dev->driver->major = DRIVER_MAJOR;
115 dev->driver->minor = DRIVER_MINOR;
116 dev->driver->patchlevel = DRIVER_PATCHLEVEL;
120 mga_probe(device_t kdev)
122 return drm_probe(kdev, mga_pciidlist);
126 mga_attach(device_t kdev)
128 struct drm_device *dev = device_get_softc(kdev);
130 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
135 return drm_attach(kdev, mga_pciidlist);
139 mga_detach(device_t kdev)
141 struct drm_device *dev = device_get_softc(kdev);
144 ret = drm_detach(kdev);
146 free(dev->driver, DRM_MEM_DRIVER);
151 static device_method_t mga_methods[] = {
152 /* Device interface */
153 DEVMETHOD(device_probe, mga_probe),
154 DEVMETHOD(device_attach, mga_attach),
155 DEVMETHOD(device_detach, mga_detach),
160 static driver_t mga_driver = {
163 sizeof(struct drm_device)
166 extern devclass_t drm_devclass;
167 #if __FreeBSD_version >= 700010
168 DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0);
170 DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0);
172 MODULE_DEPEND(mga, drm, 1, 1, 1);