/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com */ /*- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith * Gareth Hughes * */ #include "drmP.h" #include "drm.h" #include "mga_drm.h" #include "mga_drv.h" #include "drm_pciids.h" int mga_driver_device_is_agp(struct drm_device * ); void mga_configure(struct drm_device *); /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ static drm_pci_id_list_t mga_pciidlist[] = { mga_PCI_IDS }; /** * Determine if the device really is AGP or not. * * In addition to the usual tests performed by \c drm_device_is_agp, this * function detects PCI G450 cards that appear to the system exactly like * AGP G450 cards. * * \param dev The device to be tested. * * \returns * If the device is a PCI G450, zero is returned. Otherwise non-zero is * returned. * * \bug * This function needs to be filled in! The implementation in * linux-core/mga_drv.c shows what needs to be done. */ int mga_driver_device_is_agp(struct drm_device * dev) { #ifdef __FreeBSD__ device_t bus; /* There are PCI versions of the G450. These cards have the * same PCI ID as the AGP G450, but have an additional PCI-to-PCI * bridge chip. We detect these cards, which are not currently * supported by this driver, by looking at the device ID of the * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the * device. */ #if __FreeBSD_version >= 700010 bus = device_get_parent(device_get_parent(dev->device)); #else bus = device_get_parent(dev->device); #endif if (pci_get_device(dev->device) == 0x0525 && pci_get_vendor(bus) == 0x3388 && pci_get_device(bus) == 0x0021) return DRM_IS_NOT_AGP; else #endif /* XXX Fixme for non freebsd */ return DRM_MIGHT_BE_AGP; } void mga_configure(struct drm_device *dev) { dev->driver.buf_priv_size = sizeof(drm_mga_buf_priv_t); dev->driver.load = mga_driver_load; dev->driver.unload = mga_driver_unload; dev->driver.lastclose = mga_driver_lastclose; dev->driver.enable_vblank = mga_enable_vblank; dev->driver.disable_vblank = mga_disable_vblank; dev->driver.get_vblank_counter = mga_get_vblank_counter; dev->driver.irq_preinstall = mga_driver_irq_preinstall; dev->driver.irq_postinstall = mga_driver_irq_postinstall; dev->driver.irq_uninstall = mga_driver_irq_uninstall; dev->driver.irq_handler = mga_driver_irq_handler; dev->driver.dma_ioctl = mga_dma_buffers; dev->driver.dma_quiescent = mga_driver_dma_quiescent; dev->driver.device_is_agp = mga_driver_device_is_agp; dev->driver.ioctls = mga_ioctls; dev->driver.max_ioctl = mga_max_ioctl; dev->driver.name = DRIVER_NAME; dev->driver.desc = DRIVER_DESC; dev->driver.date = DRIVER_DATE; dev->driver.major = DRIVER_MAJOR; dev->driver.minor = DRIVER_MINOR; dev->driver.patchlevel = DRIVER_PATCHLEVEL; dev->driver.use_agp = 1; dev->driver.require_agp = 1; dev->driver.use_mtrr = 1; dev->driver.use_dma = 1; dev->driver.use_irq = 1; dev->driver.use_vbl_irq = 1; } #ifdef __FreeBSD__ static int mga_probe(device_t dev) { return drm_probe(dev, mga_pciidlist); } static int mga_attach(device_t nbdev) { struct drm_device *dev = device_get_softc(nbdev); bzero(dev, sizeof(struct drm_device)); mga_configure(dev); return drm_attach(nbdev, mga_pciidlist); } static device_method_t mga_methods[] = { /* Device interface */ DEVMETHOD(device_probe, mga_probe), DEVMETHOD(device_attach, mga_attach), DEVMETHOD(device_detach, drm_detach), { 0, 0 } }; static driver_t mga_driver = { "drm", mga_methods, sizeof(struct drm_device) }; extern devclass_t drm_devclass; #if __FreeBSD_version >= 700010 DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0); #else DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0); #endif MODULE_DEPEND(mga, drm, 1, 1, 1); #elif defined(__NetBSD__) || defined(__OpenBSD__) int mgadrm_probe(struct device *, void *, void *); void mgadrm_attach(struct device *, struct device *, void *); int #if defined(__OpenBSD__) mgadrm_probe(struct device *parent, void *match, void *aux) #else mgadrm_probe(struct device *parent, struct cfdata *match, void *aux) #endif { return drm_probe((struct pci_attach_args *)aux, mga_pciidlist); } void mgadrm_attach(struct device *parent, struct device *self, void *aux) { struct pci_attach_args *pa = aux; struct drm_device *dev = (struct drm_device *)self; mga_configure(dev); return drm_attach(parent, self, pa, mga_pciidlist); } #if defined(__OpenBSD__) struct cfattach mgadrm_ca = { sizeof(struct drm_device), mgadrm_probe, mgadrm_attach, drm_detach, drm_activate }; struct cfdriver mgadrm_cd = { 0, "mgadrm", DV_DULL }; #else #ifdef _LKM CFDRIVER_DECL(mgadrm, DV_TTY, NULL); #else CFATTACH_DECL(mgadrm, sizeof(struct drm_device), mgadrm_probe, mgadrm_attach, drm_detach, drm_activate); #endif #endif #endif