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 <linux/module.h>
  34
  35 #include <drm/drmP.h>
  36 #include <drm/i810_drm.h>
  37 #include "i810_drv.h"
  38
  39 #include <drm/drm_pciids.h>
  40
  41 static struct pci_device_id pciidlist[] = {
  42         i810_PCI_IDS
  43 };
  44
  45 static const struct file_operations i810_driver_fops = {
  46         .owner = THIS_MODULE,
  47         .open = drm_open,
  48         .release = drm_release,
  49         .unlocked_ioctl = drm_ioctl,
  50         .mmap = drm_legacy_mmap,
  51         .poll = drm_poll,
  52 #ifdef CONFIG_COMPAT
  53         .compat_ioctl = drm_compat_ioctl,
  54 #endif
  55         .llseek = noop_llseek,
  56 };
  57
  58 static struct drm_driver driver = {
  59         .driver_features =
  60             DRIVER_USE_AGP |
  61             DRIVER_HAVE_DMA,
  62         .dev_priv_size = sizeof(drm_i810_buf_priv_t),
  63         .load = i810_driver_load,
  64         .lastclose = i810_driver_lastclose,
  65         .preclose = i810_driver_preclose,
  66         .set_busid = drm_pci_set_busid,
  67         .device_is_agp = i810_driver_device_is_agp,
  68         .dma_quiescent = i810_driver_dma_quiescent,
  69         .ioctls = i810_ioctls,
  70         .fops = &i810_driver_fops,
  71         .name = DRIVER_NAME,
  72         .desc = DRIVER_DESC,
  73         .date = DRIVER_DATE,
  74         .major = DRIVER_MAJOR,
  75         .minor = DRIVER_MINOR,
  76         .patchlevel = DRIVER_PATCHLEVEL,
  77 };
  78
  79 static struct pci_driver i810_pci_driver = {
  80         .name = DRIVER_NAME,
  81         .id_table = pciidlist,
  82 };
  83
  84 static int __init i810_init(void)
  85 {
  86         if (num_possible_cpus() > 1) {
  87                 pr_err("drm/i810 does not support SMP\n");
  88                 return -EINVAL;
  89         }
  90         driver.num_ioctls = i810_max_ioctl;
  91         return drm_pci_init(&driver, &i810_pci_driver);
  92 }
  93
  94 static void __exit i810_exit(void)
  95 {
  96         drm_pci_exit(&driver, &i810_pci_driver);
  97 }
  98
  99 module_init(i810_init);
 100 module_exit(i810_exit);
 101
 102 MODULE_AUTHOR(DRIVER_AUTHOR);
 103 MODULE_DESCRIPTION(DRIVER_DESC);
 104 MODULE_LICENSE("GPL and additional rights");