mga_drv.c revision 183604
112794Styan/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- 212794Styan * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com 312794Styan */ 412794Styan/*- 512794Styan * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 612794Styan * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 712794Styan * All Rights Reserved. 812794Styan * 912794Styan * Permission is hereby granted, free of charge, to any person obtaining a 1012794Styan * copy of this software and associated documentation files (the "Software"), 1112794Styan * to deal in the Software without restriction, including without limitation 1212794Styan * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1312794Styan * and/or sell copies of the Software, and to permit persons to whom the 1412794Styan * Software is furnished to do so, subject to the following conditions: 1512794Styan * 1612794Styan * The above copyright notice and this permission notice (including the next 1712794Styan * paragraph) shall be included in all copies or substantial portions of the 1812794Styan * Software. 1912794Styan * 2012794Styan * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 2112794Styan * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 2212794Styan * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2312794Styan * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 2412794Styan * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2512794Styan * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2612794Styan * OTHER DEALINGS IN THE SOFTWARE. 2712794Styan * 2812794Styan * Authors: 2912794Styan * Rickard E. (Rik) Faith <faith@valinux.com> 3012794Styan * Gareth Hughes <gareth@valinux.com> 3112794Styan * 3212794Styan */ 3312794Styan 3412794Styan#include <sys/cdefs.h> 3512794Styan__FBSDID("$FreeBSD: head/sys/dev/drm/mga_drv.c 183604 2008-10-04 14:48:40Z rnoland $"); 3612794Styan 3712794Styan#include "dev/drm/drmP.h" 3812794Styan#include "dev/drm/drm.h" 3912794Styan#include "dev/drm/mga_drm.h" 4012794Styan#include "dev/drm/mga_drv.h" 4112794Styan#include "dev/drm/drm_pciids.h" 4212794Styan 4312794Styan/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 4412794Styanstatic drm_pci_id_list_t mga_pciidlist[] = { 4512794Styan mga_PCI_IDS 4612794Styan}; 4712794Styan 4812794Styan/** 4912794Styan * Determine if the device really is AGP or not. 5012794Styan * 5112794Styan * In addition to the usual tests performed by \c drm_device_is_agp, this 5212794Styan * function detects PCI G450 cards that appear to the system exactly like 5312794Styan * AGP G450 cards. 5412794Styan * 5512794Styan * \param dev The device to be tested. 5612794Styan * 5712794Styan * \returns 5812794Styan * If the device is a PCI G450, zero is returned. Otherwise non-zero is 59 * returned. 60 * 61 * \bug 62 * This function needs to be filled in! The implementation in 63 * linux-core/mga_drv.c shows what needs to be done. 64 */ 65static int mga_driver_device_is_agp(struct drm_device * dev) 66{ 67 device_t bus; 68 69 /* There are PCI versions of the G450. These cards have the 70 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI 71 * bridge chip. We detect these cards, which are not currently 72 * supported by this driver, by looking at the device ID of the 73 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the 74 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the 75 * device. 76 */ 77#if __FreeBSD_version >= 700010 78 bus = device_get_parent(device_get_parent(dev->device)); 79#else 80 bus = device_get_parent(dev->device); 81#endif 82 if (pci_get_device(dev->device) == 0x0525 && 83 pci_get_vendor(bus) == 0x3388 && 84 pci_get_device(bus) == 0x0021) 85 return DRM_IS_NOT_AGP; 86 else 87 return DRM_MIGHT_BE_AGP; 88} 89 90static void mga_configure(struct drm_device *dev) 91{ 92 dev->driver->driver_features = 93 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 94 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; 95 96 dev->driver->buf_priv_size = sizeof(drm_mga_buf_priv_t); 97 dev->driver->load = mga_driver_load; 98 dev->driver->unload = mga_driver_unload; 99 dev->driver->lastclose = mga_driver_lastclose; 100 dev->driver->get_vblank_counter = mga_get_vblank_counter; 101 dev->driver->enable_vblank = mga_enable_vblank; 102 dev->driver->disable_vblank = mga_disable_vblank; 103 dev->driver->irq_preinstall = mga_driver_irq_preinstall; 104 dev->driver->irq_postinstall = mga_driver_irq_postinstall; 105 dev->driver->irq_uninstall = mga_driver_irq_uninstall; 106 dev->driver->irq_handler = mga_driver_irq_handler; 107 dev->driver->dma_ioctl = mga_dma_buffers; 108 dev->driver->dma_quiescent = mga_driver_dma_quiescent; 109 dev->driver->device_is_agp = mga_driver_device_is_agp; 110 111 dev->driver->ioctls = mga_ioctls; 112 dev->driver->max_ioctl = mga_max_ioctl; 113 114 dev->driver->name = DRIVER_NAME; 115 dev->driver->desc = DRIVER_DESC; 116 dev->driver->date = DRIVER_DATE; 117 dev->driver->major = DRIVER_MAJOR; 118 dev->driver->minor = DRIVER_MINOR; 119 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 120} 121 122static int 123mga_probe(device_t dev) 124{ 125 return drm_probe(dev, mga_pciidlist); 126} 127 128static int 129mga_attach(device_t nbdev) 130{ 131 struct drm_device *dev = device_get_softc(nbdev); 132 133 bzero(dev, sizeof(struct drm_device)); 134 135 dev->driver = malloc(sizeof(struct drm_driver_info), M_DRM, 136 M_WAITOK | M_ZERO); 137 138 mga_configure(dev); 139 140 return drm_attach(nbdev, mga_pciidlist); 141} 142 143static int 144mga_detach(device_t nbdev) 145{ 146 struct drm_device *dev = device_get_softc(nbdev); 147 int ret; 148 149 ret = drm_detach(nbdev); 150 151 free(dev->driver, M_DRM); 152 153 return ret; 154} 155 156static device_method_t mga_methods[] = { 157 /* Device interface */ 158 DEVMETHOD(device_probe, mga_probe), 159 DEVMETHOD(device_attach, mga_attach), 160 DEVMETHOD(device_detach, mga_detach), 161 162 { 0, 0 } 163}; 164 165static driver_t mga_driver = { 166 "drm", 167 mga_methods, 168 sizeof(struct drm_device) 169}; 170 171extern devclass_t drm_devclass; 172#if __FreeBSD_version >= 700010 173DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0); 174#else 175DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0); 176#endif 177MODULE_DEPEND(mga, drm, 1, 1, 1); 178