195584Sanholt/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- 2145132Sanholt * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com 3145132Sanholt */ 4139749Simp/*- 595584Sanholt * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 695584Sanholt * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 795584Sanholt * All Rights Reserved. 895584Sanholt * 995584Sanholt * Permission is hereby granted, free of charge, to any person obtaining a 1095584Sanholt * copy of this software and associated documentation files (the "Software"), 1195584Sanholt * to deal in the Software without restriction, including without limitation 1295584Sanholt * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1395584Sanholt * and/or sell copies of the Software, and to permit persons to whom the 1495584Sanholt * Software is furnished to do so, subject to the following conditions: 1595584Sanholt * 1695584Sanholt * The above copyright notice and this permission notice (including the next 1795584Sanholt * paragraph) shall be included in all copies or substantial portions of the 1895584Sanholt * Software. 1995584Sanholt * 2095584Sanholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 2195584Sanholt * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 2295584Sanholt * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2395584Sanholt * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 2495584Sanholt * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2595584Sanholt * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2695584Sanholt * OTHER DEALINGS IN THE SOFTWARE. 2795584Sanholt * 2895584Sanholt * Authors: 2995584Sanholt * Rickard E. (Rik) Faith <faith@valinux.com> 3095584Sanholt * Gareth Hughes <gareth@valinux.com> 3195584Sanholt * 3295584Sanholt */ 3395584Sanholt 34152909Sanholt#include <sys/cdefs.h> 35152909Sanholt__FBSDID("$FreeBSD$"); 36152909Sanholt 3795584Sanholt#include "dev/drm/drmP.h" 38112015Sanholt#include "dev/drm/drm.h" 3995746Sanholt#include "dev/drm/mga_drm.h" 4095584Sanholt#include "dev/drm/mga_drv.h" 41145132Sanholt#include "dev/drm/drm_pciids.h" 4295584Sanholt 43145132Sanholt/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 44145132Sanholtstatic drm_pci_id_list_t mga_pciidlist[] = { 45145132Sanholt mga_PCI_IDS 46145132Sanholt}; 4795584Sanholt 48152909Sanholt/** 49152909Sanholt * Determine if the device really is AGP or not. 50152909Sanholt * 51152909Sanholt * In addition to the usual tests performed by \c drm_device_is_agp, this 52152909Sanholt * function detects PCI G450 cards that appear to the system exactly like 53152909Sanholt * AGP G450 cards. 54152909Sanholt * 55152909Sanholt * \param dev The device to be tested. 56152909Sanholt * 57152909Sanholt * \returns 58152909Sanholt * If the device is a PCI G450, zero is returned. Otherwise non-zero is 59152909Sanholt * returned. 60152909Sanholt * 61152909Sanholt * \bug 62152909Sanholt * This function needs to be filled in! The implementation in 63152909Sanholt * linux-core/mga_drv.c shows what needs to be done. 64152909Sanholt */ 65182080Srnolandstatic int mga_driver_device_is_agp(struct drm_device * dev) 66152909Sanholt{ 67153579Sjhb device_t bus; 68153579Sjhb 69152909Sanholt /* There are PCI versions of the G450. These cards have the 70152909Sanholt * same PCI ID as the AGP G450, but have an additional PCI-to-PCI 71152909Sanholt * bridge chip. We detect these cards, which are not currently 72152909Sanholt * supported by this driver, by looking at the device ID of the 73152909Sanholt * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the 74152909Sanholt * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the 75152909Sanholt * device. 76152909Sanholt */ 77153579Sjhb bus = device_get_parent(device_get_parent(dev->device)); 78152909Sanholt if (pci_get_device(dev->device) == 0x0525 && 79153579Sjhb pci_get_vendor(bus) == 0x3388 && 80153579Sjhb pci_get_device(bus) == 0x0021) 81158683Sanholt return DRM_IS_NOT_AGP; 82152909Sanholt else 83158683Sanholt return DRM_MIGHT_BE_AGP; 84152909Sanholt} 85145132Sanholt 86182080Srnolandstatic void mga_configure(struct drm_device *dev) 87145132Sanholt{ 88183573Srnoland dev->driver->driver_features = 89183573Srnoland DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 90183573Srnoland DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; 91145132Sanholt 92183573Srnoland dev->driver->buf_priv_size = sizeof(drm_mga_buf_priv_t); 93183573Srnoland dev->driver->load = mga_driver_load; 94183573Srnoland dev->driver->unload = mga_driver_unload; 95183573Srnoland dev->driver->lastclose = mga_driver_lastclose; 96183573Srnoland dev->driver->get_vblank_counter = mga_get_vblank_counter; 97183573Srnoland dev->driver->enable_vblank = mga_enable_vblank; 98183573Srnoland dev->driver->disable_vblank = mga_disable_vblank; 99183573Srnoland dev->driver->irq_preinstall = mga_driver_irq_preinstall; 100183573Srnoland dev->driver->irq_postinstall = mga_driver_irq_postinstall; 101183573Srnoland dev->driver->irq_uninstall = mga_driver_irq_uninstall; 102183573Srnoland dev->driver->irq_handler = mga_driver_irq_handler; 103183573Srnoland dev->driver->dma_ioctl = mga_dma_buffers; 104183573Srnoland dev->driver->dma_quiescent = mga_driver_dma_quiescent; 105183573Srnoland dev->driver->device_is_agp = mga_driver_device_is_agp; 106145132Sanholt 107183573Srnoland dev->driver->ioctls = mga_ioctls; 108183573Srnoland dev->driver->max_ioctl = mga_max_ioctl; 109145132Sanholt 110183573Srnoland dev->driver->name = DRIVER_NAME; 111183573Srnoland dev->driver->desc = DRIVER_DESC; 112183573Srnoland dev->driver->date = DRIVER_DATE; 113183573Srnoland dev->driver->major = DRIVER_MAJOR; 114183573Srnoland dev->driver->minor = DRIVER_MINOR; 115183573Srnoland dev->driver->patchlevel = DRIVER_PATCHLEVEL; 116145132Sanholt} 117145132Sanholt 118145132Sanholtstatic int 119189563Srnolandmga_probe(device_t kdev) 120145132Sanholt{ 121189563Srnoland return drm_probe(kdev, mga_pciidlist); 122145132Sanholt} 123145132Sanholt 124145132Sanholtstatic int 125189563Srnolandmga_attach(device_t kdev) 126145132Sanholt{ 127189563Srnoland struct drm_device *dev = device_get_softc(kdev); 128145132Sanholt 129183833Srnoland dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 130183604Srnoland M_WAITOK | M_ZERO); 131183604Srnoland 132145132Sanholt mga_configure(dev); 133183573Srnoland 134189563Srnoland return drm_attach(kdev, mga_pciidlist); 135145132Sanholt} 136145132Sanholt 137183573Srnolandstatic int 138189563Srnolandmga_detach(device_t kdev) 139183573Srnoland{ 140189563Srnoland struct drm_device *dev = device_get_softc(kdev); 141183573Srnoland int ret; 142183573Srnoland 143189563Srnoland ret = drm_detach(kdev); 144183573Srnoland 145183833Srnoland free(dev->driver, DRM_MEM_DRIVER); 146183573Srnoland 147183573Srnoland return ret; 148183573Srnoland} 149183573Srnoland 150145132Sanholtstatic device_method_t mga_methods[] = { 151145132Sanholt /* Device interface */ 152145132Sanholt DEVMETHOD(device_probe, mga_probe), 153145132Sanholt DEVMETHOD(device_attach, mga_attach), 154183573Srnoland DEVMETHOD(device_detach, mga_detach), 155145132Sanholt 156145132Sanholt { 0, 0 } 157145132Sanholt}; 158145132Sanholt 159145132Sanholtstatic driver_t mga_driver = { 160145132Sanholt "drm", 161145132Sanholt mga_methods, 162182080Srnoland sizeof(struct drm_device) 163145132Sanholt}; 164145132Sanholt 165145132Sanholtextern devclass_t drm_devclass; 166153579SjhbDRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0); 167145132SanholtMODULE_DEPEND(mga, drm, 1, 1, 1); 168