| /* 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 <linux/config.h> |
| #include "drmP.h" |
| #include "drm.h" |
| #include "mga_drm.h" |
| #include "mga_drv.h" |
| |
| |
| #include "drm_pciids.h" |
| |
| static int mga_driver_device_is_agp(drm_device_t * dev); |
| static int postinit( struct drm_device *dev, unsigned long flags ) |
| { |
| dev->counters += 3; |
| dev->types[6] = _DRM_STAT_IRQ; |
| dev->types[7] = _DRM_STAT_PRIMARY; |
| dev->types[8] = _DRM_STAT_SECONDARY; |
| |
| DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", |
| DRIVER_NAME, |
| DRIVER_MAJOR, |
| DRIVER_MINOR, |
| DRIVER_PATCHLEVEL, |
| DRIVER_DATE, |
| dev->primary.minor, |
| pci_pretty_name(dev->pdev) |
| ); |
| return 0; |
| } |
| |
| static int version( drm_version_t *version ) |
| { |
| int len; |
| |
| version->version_major = DRIVER_MAJOR; |
| version->version_minor = DRIVER_MINOR; |
| version->version_patchlevel = DRIVER_PATCHLEVEL; |
| DRM_COPY( version->name, DRIVER_NAME ); |
| DRM_COPY( version->date, DRIVER_DATE ); |
| DRM_COPY( version->desc, DRIVER_DESC ); |
| return 0; |
| } |
| |
| static struct pci_device_id pciidlist[] = { |
| mga_PCI_IDS |
| }; |
| |
| extern drm_ioctl_desc_t mga_ioctls[]; |
| extern int mga_max_ioctl; |
| |
| static struct drm_driver driver = { |
| .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, |
| .pretakedown = mga_driver_pretakedown, |
| .dma_quiescent = mga_driver_dma_quiescent, |
| .device_is_agp = mga_driver_device_is_agp, |
| .vblank_wait = mga_driver_vblank_wait, |
| .irq_preinstall = mga_driver_irq_preinstall, |
| .irq_postinstall = mga_driver_irq_postinstall, |
| .irq_uninstall = mga_driver_irq_uninstall, |
| .irq_handler = mga_driver_irq_handler, |
| .reclaim_buffers = drm_core_reclaim_buffers, |
| .get_map_ofs = drm_core_get_map_ofs, |
| .get_reg_ofs = drm_core_get_reg_ofs, |
| .postinit = postinit, |
| .version = version, |
| .ioctls = mga_ioctls, |
| .dma_ioctl = mga_dma_buffers, |
| .fops = { |
| .owner = THIS_MODULE, |
| .open = drm_open, |
| .release = drm_release, |
| .ioctl = drm_ioctl, |
| .mmap = drm_mmap, |
| .poll = drm_poll, |
| .fasync = drm_fasync, |
| #ifdef CONFIG_COMPAT |
| .compat_ioctl = mga_compat_ioctl, |
| #endif |
| }, |
| .pci_driver = { |
| .name = DRIVER_NAME, |
| .id_table = pciidlist, |
| } |
| }; |
| |
| static int __init mga_init(void) |
| { |
| driver.num_ioctls = mga_max_ioctl; |
| return drm_init(&driver); |
| } |
| |
| static void __exit mga_exit(void) |
| { |
| drm_exit(&driver); |
| } |
| |
| module_init(mga_init); |
| module_exit(mga_exit); |
| |
| MODULE_AUTHOR( DRIVER_AUTHOR ); |
| MODULE_DESCRIPTION( DRIVER_DESC ); |
| MODULE_LICENSE("GPL and additional rights"); |
| |
| /** |
| * 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 2 is returned. |
| */ |
| int mga_driver_device_is_agp(drm_device_t * dev) |
| { |
| const struct pci_dev * const pdev = dev->pdev; |
| |
| |
| /* 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 ( (pdev->device == 0x0525) |
| && (pdev->bus->self->vendor == 0x3388) |
| && (pdev->bus->self->device == 0x0021) ) { |
| return 0; |
| } |
| |
| return 2; |
| } |