Pileus Git - ~andy/linux/blob - drivers/gpu/drm/sis/sis_drv.c

   1 /* sis.c -- sis driver -*- linux-c -*-
   2  *
   3  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
   4  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24  * DEALINGS IN THE SOFTWARE.
  25  *
  26  */
  27
  28 #include <linux/module.h>
  29
  30 #include "drmP.h"
  31 #include "sis_drm.h"
  32 #include "sis_drv.h"
  33
  34 #include "drm_pciids.h"
  35
  36 static struct pci_device_id pciidlist[] = {
  37         sisdrv_PCI_IDS
  38 };
  39
  40 static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
  41 {
  42         drm_sis_private_t *dev_priv;
  43         int ret;
  44
  45         dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
  46         if (dev_priv == NULL)
  47                 return -ENOMEM;
  48
  49         dev->dev_private = (void *)dev_priv;
  50         dev_priv->chipset = chipset;
  51         ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
  52         if (ret)
  53                 kfree(dev_priv);
  54
  55         return ret;
  56 }
  57
  58 static int sis_driver_unload(struct drm_device *dev)
  59 {
  60         drm_sis_private_t *dev_priv = dev->dev_private;
  61
  62         drm_sman_takedown(&dev_priv->sman);
  63         kfree(dev_priv);
  64
  65         return 0;
  66 }
  67
  68 static struct drm_driver driver = {
  69         .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
  70         .load = sis_driver_load,
  71         .unload = sis_driver_unload,
  72         .dma_quiescent = sis_idle,
  73         .reclaim_buffers = NULL,
  74         .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
  75         .lastclose = sis_lastclose,
  76         .ioctls = sis_ioctls,
  77         .fops = {
  78                  .owner = THIS_MODULE,
  79                  .open = drm_open,
  80                  .release = drm_release,
  81                  .unlocked_ioctl = drm_ioctl,
  82                  .mmap = drm_mmap,
  83                  .poll = drm_poll,
  84                  .fasync = drm_fasync,
  85                  .llseek = noop_llseek,
  86         },
  87
  88         .name = DRIVER_NAME,
  89         .desc = DRIVER_DESC,
  90         .date = DRIVER_DATE,
  91         .major = DRIVER_MAJOR,
  92         .minor = DRIVER_MINOR,
  93         .patchlevel = DRIVER_PATCHLEVEL,
  94 };
  95
  96 static struct pci_driver sis_pci_driver = {
  97         .name = DRIVER_NAME,
  98         .id_table = pciidlist,
  99 };
 100
 101 static int __init sis_init(void)
 102 {
 103         driver.num_ioctls = sis_max_ioctl;
 104         return drm_pci_init(&driver, &sis_pci_driver);
 105 }
 106
 107 static void __exit sis_exit(void)
 108 {
 109         drm_pci_exit(&driver, &sis_pci_driver);
 110 }
 111
 112 module_init(sis_init);
 113 module_exit(sis_exit);
 114
 115 MODULE_AUTHOR(DRIVER_AUTHOR);
 116 MODULE_DESCRIPTION(DRIVER_DESC);
 117 MODULE_LICENSE("GPL and additional rights");