LXR linux/drivers/gpu/drm/sis/sis

   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 "drmP.h"
  29#include "sis_drm.h"
  30#include "sis_drv.h"
  31
  32#include "drm_pciids.h"
  33
  34static struct pci_device_id pciidlist[] = {
  35        sisdrv_PCI_IDS
  36};
  37
  38static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
  39{
  40        drm_sis_private_t *dev_priv;
  41        int ret;
  42
  43        dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
  44        if (dev_priv == NULL)
  45                return -ENOMEM;
  46
  47        dev->dev_private = (void *)dev_priv;
  48        dev_priv->chipset = chipset;
  49        ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
  50        if (ret) {
  51                kfree(dev_priv);
  52        }
  53
  54        return ret;
  55}
  56
  57static int sis_driver_unload(struct drm_device *dev)
  58{
  59        drm_sis_private_t *dev_priv = dev->dev_private;
  60
  61        drm_sman_takedown(&dev_priv->sman);
  62        kfree(dev_priv);
  63
  64        return 0;
  65}
  66
  67static struct drm_driver driver = {
  68        .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
  69        .load = sis_driver_load,
  70        .unload = sis_driver_unload,
  71        .context_dtor = NULL,
  72        .dma_quiescent = sis_idle,
  73        .reclaim_buffers = NULL,
  74        .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
  75        .lastclose = sis_lastclose,
  76        .get_map_ofs = drm_core_get_map_ofs,
  77        .get_reg_ofs = drm_core_get_reg_ofs,
  78        .ioctls = sis_ioctls,
  79        .fops = {
  80                 .owner = THIS_MODULE,
  81                 .open = drm_open,
  82                 .release = drm_release,
  83                 .ioctl = drm_ioctl,
  84                 .mmap = drm_mmap,
  85                 .poll = drm_poll,
  86                 .fasync = drm_fasync,
  87        },
  88        .pci_driver = {
  89                 .name = DRIVER_NAME,
  90                 .id_table = pciidlist,
  91        },
  92
  93        .name = DRIVER_NAME,
  94        .desc = DRIVER_DESC,
  95        .date = DRIVER_DATE,
  96        .major = DRIVER_MAJOR,
  97        .minor = DRIVER_MINOR,
  98        .patchlevel = DRIVER_PATCHLEVEL,
  99};
 100
 101static int __init sis_init(void)
 102{
 103        driver.num_ioctls = sis_max_ioctl;
 104        return drm_init(&driver);
 105}
 106
 107static void __exit sis_exit(void)
 108{
 109        drm_exit(&driver);
 110}
 111
 112module_init(sis_init);
 113module_exit(sis_exit);
 114
 115MODULE_AUTHOR(DRIVER_AUTHOR);
 116MODULE_DESCRIPTION(DRIVER_DESC);
 117MODULE_LICENSE("GPL and additional rights");
 118