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Linux/drivers/gpu/drm/via/via_drv.c

  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 
 33 static 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 
 49 static 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 
 56 static struct pci_device_id pciidlist[] = {
 57         viadrv_PCI_IDS
 58 };
 59 
 60 static 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 
 71 static 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         .set_busid = drm_pci_set_busid,
 81         .context_dtor = via_final_context,
 82         .get_vblank_counter = via_get_vblank_counter,
 83         .enable_vblank = via_enable_vblank,
 84         .disable_vblank = via_disable_vblank,
 85         .irq_preinstall = via_driver_irq_preinstall,
 86         .irq_postinstall = via_driver_irq_postinstall,
 87         .irq_uninstall = via_driver_irq_uninstall,
 88         .irq_handler = via_driver_irq_handler,
 89         .dma_quiescent = via_driver_dma_quiescent,
 90         .lastclose = via_lastclose,
 91         .ioctls = via_ioctls,
 92         .fops = &via_driver_fops,
 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 
101 static struct pci_driver via_pci_driver = {
102         .name = DRIVER_NAME,
103         .id_table = pciidlist,
104 };
105 
106 static int __init via_init(void)
107 {
108         driver.num_ioctls = via_max_ioctl;
109         via_init_command_verifier();
110         return drm_pci_init(&driver, &via_pci_driver);
111 }
112 
113 static void __exit via_exit(void)
114 {
115         drm_pci_exit(&driver, &via_pci_driver);
116 }
117 
118 module_init(via_init);
119 module_exit(via_exit);
120 
121 MODULE_AUTHOR(DRIVER_AUTHOR);
122 MODULE_DESCRIPTION(DRIVER_DESC);
123 MODULE_LICENSE("GPL and additional rights");
124 

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