linux-core/i915_drv.c

   1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
   2  */
   3 /*
   4  *
   5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   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
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  */
  29
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "i915_drm.h"
  33 #include "i915_drv.h"
  34
  35 #include "drm_pciids.h"
  36
  37 static struct pci_device_id pciidlist[] = {
  38         i915_PCI_IDS
  39 };
  40
  41 static drm_fence_driver_t i915_fence_driver = {
  42         .no_types = 2,
  43         .wrap_diff = (1 << 30),
  44         .flush_diff = (1 << 29),
  45         .sequence_mask = 0xffffffffU,
  46         .lazy_capable = 1,
  47         .emit = i915_fence_emit_sequence,
  48         .poke_flush = i915_poke_flush,
  49 };
  50
  51 static drm_bo_driver_t i915_bo_driver = {
  52         .cached_pages = 1,
  53         .create_ttm_backend_entry = i915_create_ttm_backend_entry
  54 };
  55
  56
  57 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  58 static struct drm_driver driver = {
  59         /* don't use mtrr's here, the Xserver or user space app should
  60          * deal with them for intel hardware.
  61          */
  62         .driver_features =
  63             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR | */
  64             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
  65         .load = i915_driver_load,
  66         .lastclose = i915_driver_lastclose,
  67         .preclose = i915_driver_preclose,
  68         .device_is_agp = i915_driver_device_is_agp,
  69         .vblank_wait = i915_driver_vblank_wait,
  70         .irq_preinstall = i915_driver_irq_preinstall,
  71         .irq_postinstall = i915_driver_irq_postinstall,
  72         .irq_uninstall = i915_driver_irq_uninstall,
  73         .irq_handler = i915_driver_irq_handler,
  74         .reclaim_buffers = drm_core_reclaim_buffers,
  75         .get_map_ofs = drm_core_get_map_ofs,
  76         .get_reg_ofs = drm_core_get_reg_ofs,
  77         .ioctls = i915_ioctls,
  78         .fops = {
  79                 .owner = THIS_MODULE,
  80                 .open = drm_open,
  81                 .release = drm_release,
  82                 .ioctl = drm_ioctl,
  83                 .mmap = drm_mmap,
  84                 .poll = drm_poll,
  85                 .fasync = drm_fasync,
  86 #if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
  87                 .compat_ioctl = i915_compat_ioctl,
  88 #endif
  89                 },
  90         .pci_driver = {
  91                 .name = DRIVER_NAME,
  92                 .id_table = pciidlist,
  93                 .probe = probe,
  94                 .remove = __devexit_p(drm_cleanup_pci),
  95                 },
  96
  97         .fence_driver = &i915_fence_driver,
  98         .bo_driver = &i915_bo_driver,
  99
 100         .name = DRIVER_NAME,
 101         .desc = DRIVER_DESC,
 102         .date = DRIVER_DATE,
 103         .major = DRIVER_MAJOR,
 104         .minor = DRIVER_MINOR,
 105         .patchlevel = DRIVER_PATCHLEVEL,
 106 };
 107
 108 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 109 {
 110         return drm_get_dev(pdev, ent, &driver);
 111 }
 112
 113 static int __init i915_init(void)
 114 {
 115         driver.num_ioctls = i915_max_ioctl;
 116         return drm_init(&driver, pciidlist);
 117 }
 118
 119 static void __exit i915_exit(void)
 120 {
 121         drm_exit(&driver);
 122 }
 123
 124 module_init(i915_init);
 125 module_exit(i915_exit);
 126
 127 MODULE_AUTHOR(DRIVER_AUTHOR);
 128 MODULE_DESCRIPTION(DRIVER_DESC);
 129 MODULE_LICENSE("GPL and additional rights");