| /* 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 <faith@valinux.com> |
| * Gareth Hughes <gareth@valinux.com> |
| * |
| */ |
| |
| #include "drmP.h" |
| #include "drm.h" |
| #include "mga_drm.h" |
| #include "mga_drv.h" |
| #include "drm_pciids.h" |
| |
| /* 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. |
| */ |
| static int mga_driver_device_is_agp(drm_device_t * dev) |
| { |
| 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 |
| return DRM_MIGHT_BE_AGP; |
| } |
| |
| static void mga_configure(drm_device_t *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.vblank_wait = mga_driver_vblank_wait; |
| 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) |
| { |
| drm_device_t *dev = device_get_softc(nbdev); |
| |
| bzero(dev, sizeof(drm_device_t)); |
| 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(drm_device_t) |
| }; |
| |
| 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__) |
| #ifdef _LKM |
| CFDRIVER_DECL(mga, DV_TTY, NULL); |
| #else |
| CFATTACH_DECL(mga, sizeof(drm_device_t), drm_probe, drm_attach, drm_detach, |
| drm_activate); |
| #endif |
| #endif |