LXR linux/drivers/gpu/drm/i810/i810

   1/* i810_drv.c -- I810 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 *    Jeff Hartmann <jhartmann@valinux.com>
  30 *    Gareth Hughes <gareth@valinux.com>
  31 */
  32
  33#include "i810_drv.h"
  34
  35#include <linux/module.h>
  36#include <linux/pci.h>
  37
  38#include <drm/drm_drv.h>
  39#include <drm/drm_file.h>
  40#include <drm/drm_pciids.h>
  41#include <drm/i810_drm.h>
  42
  43
  44static struct pci_device_id pciidlist[] = {
  45        i810_PCI_IDS
  46};
  47
  48static const struct file_operations i810_driver_fops = {
  49        .owner = THIS_MODULE,
  50        .open = drm_open,
  51        .release = drm_release,
  52        .unlocked_ioctl = drm_ioctl,
  53        .mmap = drm_legacy_mmap,
  54        .poll = drm_poll,
  55        .compat_ioctl = drm_compat_ioctl,
  56        .llseek = noop_llseek,
  57};
  58
  59static struct drm_driver driver = {
  60        .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY,
  61        .dev_priv_size = sizeof(drm_i810_buf_priv_t),
  62        .load = i810_driver_load,
  63        .lastclose = i810_driver_lastclose,
  64        .preclose = i810_driver_preclose,
  65        .dma_quiescent = i810_driver_dma_quiescent,
  66        .ioctls = i810_ioctls,
  67        .fops = &i810_driver_fops,
  68        .name = DRIVER_NAME,
  69        .desc = DRIVER_DESC,
  70        .date = DRIVER_DATE,
  71        .major = DRIVER_MAJOR,
  72        .minor = DRIVER_MINOR,
  73        .patchlevel = DRIVER_PATCHLEVEL,
  74};
  75
  76static struct pci_driver i810_pci_driver = {
  77        .name = DRIVER_NAME,
  78        .id_table = pciidlist,
  79};
  80
  81static int __init i810_init(void)
  82{
  83        if (num_possible_cpus() > 1) {
  84                pr_err("drm/i810 does not support SMP\n");
  85                return -EINVAL;
  86        }
  87        driver.num_ioctls = i810_max_ioctl;
  88        return drm_legacy_pci_init(&driver, &i810_pci_driver);
  89}
  90
  91static void __exit i810_exit(void)
  92{
  93        drm_legacy_pci_exit(&driver, &i810_pci_driver);
  94}
  95
  96module_init(i810_init);
  97module_exit(i810_exit);
  98
  99MODULE_AUTHOR(DRIVER_AUTHOR);
 100MODULE_DESCRIPTION(DRIVER_DESC);
 101MODULE_LICENSE("GPL and additional rights");
 102