cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mga_drv.c (3291B)

      1/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
      2 * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
      3 *
      4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
      5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
      6 * All Rights Reserved.
      7 *
      8 * Permission is hereby granted, free of charge, to any person obtaining a
      9 * copy of this software and associated documentation files (the "Software"),
     10 * to deal in the Software without restriction, including without limitation
     11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12 * and/or sell copies of the Software, and to permit persons to whom the
     13 * Software is furnished to do so, subject to the following conditions:
     14 *
     15 * The above copyright notice and this permission notice (including the next
     16 * paragraph) shall be included in all copies or substantial portions of the
     17 * Software.
     18 *
     19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     25 * OTHER DEALINGS IN THE SOFTWARE.
     26 *
     27 * Authors:
     28 *    Rickard E. (Rik) Faith <faith@valinux.com>
     29 *    Gareth Hughes <gareth@valinux.com>
     30 */
     31
     32#include <linux/module.h>
     33
     34#include <drm/drm_drv.h>
     35#include <drm/drm_pciids.h>
     36
     37#include "mga_drv.h"
     38
     39static struct pci_device_id pciidlist[] = {
     40	mga_PCI_IDS
     41};
     42
     43static const struct file_operations mga_driver_fops = {
     44	.owner = THIS_MODULE,
     45	.open = drm_open,
     46	.release = drm_release,
     47	.unlocked_ioctl = drm_ioctl,
     48	.mmap = drm_legacy_mmap,
     49	.poll = drm_poll,
     50#ifdef CONFIG_COMPAT
     51	.compat_ioctl = mga_compat_ioctl,
     52#endif
     53	.llseek = noop_llseek,
     54};
     55
     56static struct drm_driver driver = {
     57	.driver_features =
     58	    DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_LEGACY |
     59	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ,
     60	.dev_priv_size = sizeof(drm_mga_buf_priv_t),
     61	.load = mga_driver_load,
     62	.unload = mga_driver_unload,
     63	.lastclose = mga_driver_lastclose,
     64	.dma_quiescent = mga_driver_dma_quiescent,
     65	.get_vblank_counter = mga_get_vblank_counter,
     66	.enable_vblank = mga_enable_vblank,
     67	.disable_vblank = mga_disable_vblank,
     68	.irq_preinstall = mga_driver_irq_preinstall,
     69	.irq_postinstall = mga_driver_irq_postinstall,
     70	.irq_uninstall = mga_driver_irq_uninstall,
     71	.irq_handler = mga_driver_irq_handler,
     72	.ioctls = mga_ioctls,
     73	.dma_ioctl = mga_dma_buffers,
     74	.fops = &mga_driver_fops,
     75	.name = DRIVER_NAME,
     76	.desc = DRIVER_DESC,
     77	.date = DRIVER_DATE,
     78	.major = DRIVER_MAJOR,
     79	.minor = DRIVER_MINOR,
     80	.patchlevel = DRIVER_PATCHLEVEL,
     81};
     82
     83static struct pci_driver mga_pci_driver = {
     84	.name = DRIVER_NAME,
     85	.id_table = pciidlist,
     86};
     87
     88static int __init mga_init(void)
     89{
     90	driver.num_ioctls = mga_max_ioctl;
     91	return drm_legacy_pci_init(&driver, &mga_pci_driver);
     92}
     93
     94static void __exit mga_exit(void)
     95{
     96	drm_legacy_pci_exit(&driver, &mga_pci_driver);
     97}
     98
     99module_init(mga_init);
    100module_exit(mga_exit);
    101
    102MODULE_AUTHOR(DRIVER_AUTHOR);
    103MODULE_DESCRIPTION(DRIVER_DESC);
    104MODULE_LICENSE("GPL and additional rights");