LXR linux/drivers/gpu/drm/via/via

   1/*
   2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice (including the
  13 * next paragraph) shall be included in all copies or substantial portions
  14 * of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 * DEALINGS IN THE SOFTWARE.
  23 */
  24
  25#include <linux/module.h>
  26
  27#include <drm/drmP.h>
  28#include <drm/via_drm.h>
  29#include "via_drv.h"
  30
  31#include <drm/drm_pciids.h>
  32
  33static int via_driver_open(struct drm_device *dev, struct drm_file *file)
  34{
  35        struct via_file_private *file_priv;
  36
  37        DRM_DEBUG_DRIVER("\n");
  38        file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
  39        if (!file_priv)
  40                return -ENOMEM;
  41
  42        file->driver_priv = file_priv;
  43
  44        INIT_LIST_HEAD(&file_priv->obj_list);
  45
  46        return 0;
  47}
  48
  49static void via_driver_postclose(struct drm_device *dev, struct drm_file *file)
  50{
  51        struct via_file_private *file_priv = file->driver_priv;
  52
  53        kfree(file_priv);
  54}
  55
  56static struct pci_device_id pciidlist[] = {
  57        viadrv_PCI_IDS
  58};
  59
  60static const struct file_operations via_driver_fops = {
  61        .owner = THIS_MODULE,
  62        .open = drm_open,
  63        .release = drm_release,
  64        .unlocked_ioctl = drm_ioctl,
  65        .mmap = drm_legacy_mmap,
  66        .poll = drm_poll,
  67        .compat_ioctl = drm_compat_ioctl,
  68        .llseek = noop_llseek,
  69};
  70
  71static struct drm_driver driver = {
  72        .driver_features =
  73            DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_LEGACY |
  74            DRIVER_IRQ_SHARED,
  75        .load = via_driver_load,
  76        .unload = via_driver_unload,
  77        .open = via_driver_open,
  78        .preclose = via_reclaim_buffers_locked,
  79        .postclose = via_driver_postclose,
  80        .context_dtor = via_final_context,
  81        .get_vblank_counter = via_get_vblank_counter,
  82        .enable_vblank = via_enable_vblank,
  83        .disable_vblank = via_disable_vblank,
  84        .irq_preinstall = via_driver_irq_preinstall,
  85        .irq_postinstall = via_driver_irq_postinstall,
  86        .irq_uninstall = via_driver_irq_uninstall,
  87        .irq_handler = via_driver_irq_handler,
  88        .dma_quiescent = via_driver_dma_quiescent,
  89        .lastclose = via_lastclose,
  90        .ioctls = via_ioctls,
  91        .fops = &via_driver_fops,
  92        .name = DRIVER_NAME,
  93        .desc = DRIVER_DESC,
  94        .date = DRIVER_DATE,
  95        .major = DRIVER_MAJOR,
  96        .minor = DRIVER_MINOR,
  97        .patchlevel = DRIVER_PATCHLEVEL,
  98};
  99
 100static struct pci_driver via_pci_driver = {
 101        .name = DRIVER_NAME,
 102        .id_table = pciidlist,
 103};
 104
 105static int __init via_init(void)
 106{
 107        driver.num_ioctls = via_max_ioctl;
 108        via_init_command_verifier();
 109        return drm_legacy_pci_init(&driver, &via_pci_driver);
 110}
 111
 112static void __exit via_exit(void)
 113{
 114        drm_legacy_pci_exit(&driver, &via_pci_driver);
 115}
 116
 117module_init(via_init);
 118module_exit(via_exit);
 119
 120MODULE_AUTHOR(DRIVER_AUTHOR);
 121MODULE_DESCRIPTION(DRIVER_DESC);
 122MODULE_LICENSE("GPL and additional rights");
 123