drivers/gpu/drm/i810/i810_drv.c

   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
  44 static struct pci_device_id pciidlist[] = {
  45         i810_PCI_IDS
  46 };
  47
  48 static 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
  59 static 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
  76 static struct pci_driver i810_pci_driver = {
  77         .name = DRIVER_NAME,
  78         .id_table = pciidlist,
  79 };
  80
  81 static 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
  91 static void __exit i810_exit(void)
  92 {
  93         drm_legacy_pci_exit(&driver, &i810_pci_driver);
  94 }
  95
  96 module_init(i810_init);
  97 module_exit(i810_exit);
  98
  99 MODULE_AUTHOR(DRIVER_AUTHOR);
 100 MODULE_DESCRIPTION(DRIVER_DESC);
 101 MODULE_LICENSE("GPL and additional rights");