sys/dev/drm/i915_drv.c

   1 /* i915_drv.c -- Intel i915 driver -*- linux-c -*-
   2  * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
   3  */
   4 /*-
   5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   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 "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  25  * OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors:
  28  *    Gareth Hughes <gareth@valinux.com>
  29  *
  30  */
  31
  32 #include "dev/drm/drmP.h"
  33 #include "dev/drm/drm.h"
  34 #include "dev/drm/i915_drm.h"
  35 #include "dev/drm/i915_drv.h"
  36 #include "dev/drm/drm_pciids.h"
  37
  38 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  39 static drm_pci_id_list_t i915_pciidlist[] = {
  40         i915_PCI_IDS
  41 };
  42
  43 static int i915_suspend(device_t kdev)
  44 {
  45         struct drm_device *dev = device_get_softc(kdev);
  46
  47         if (!dev || !dev->dev_private) {
  48                 DRM_ERROR("DRM not initialized, aborting suspend.\n");
  49                 return -ENODEV;
  50         }
  51
  52         DRM_LOCK();
  53         DRM_DEBUG("starting suspend\n");
  54         i915_save_state(dev);
  55         DRM_UNLOCK();
  56
  57         return (bus_generic_suspend(kdev));
  58 }
  59
  60 static int i915_resume(device_t kdev)
  61 {
  62         struct drm_device *dev = device_get_softc(kdev);
  63
  64         DRM_LOCK();
  65         i915_restore_state(dev);
  66         DRM_DEBUG("finished resume\n");
  67         DRM_UNLOCK();
  68
  69         return (bus_generic_resume(kdev));
  70 }
  71
  72 static void i915_configure(struct drm_device *dev)
  73 {
  74         dev->driver->driver_features =
  75            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
  76            DRIVER_HAVE_IRQ;
  77
  78         dev->driver->buf_priv_size      = sizeof(drm_i915_private_t);
  79         dev->driver->load               = i915_driver_load;
  80         dev->driver->unload             = i915_driver_unload;
  81         dev->driver->preclose           = i915_driver_preclose;
  82         dev->driver->lastclose          = i915_driver_lastclose;
  83         dev->driver->device_is_agp      = i915_driver_device_is_agp;
  84         dev->driver->enable_vblank      = i915_enable_vblank;
  85         dev->driver->disable_vblank     = i915_disable_vblank;
  86         dev->driver->irq_preinstall     = i915_driver_irq_preinstall;
  87         dev->driver->irq_postinstall    = i915_driver_irq_postinstall;
  88         dev->driver->irq_uninstall      = i915_driver_irq_uninstall;
  89         dev->driver->irq_handler        = i915_driver_irq_handler;
  90
  91         dev->driver->ioctls             = i915_ioctls;
  92         dev->driver->max_ioctl          = i915_max_ioctl;
  93
  94         dev->driver->name               = DRIVER_NAME;
  95         dev->driver->desc               = DRIVER_DESC;
  96         dev->driver->date               = DRIVER_DATE;
  97         dev->driver->major              = DRIVER_MAJOR;
  98         dev->driver->minor              = DRIVER_MINOR;
  99         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
 100 }
 101
 102 static int
 103 i915_probe(device_t kdev)
 104 {
 105         return drm_probe(kdev, i915_pciidlist);
 106 }
 107
 108 static int
 109 i915_attach(device_t kdev)
 110 {
 111         struct drm_device *dev = device_get_softc(kdev);
 112
 113         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 114             M_WAITOK | M_ZERO);
 115
 116         i915_configure(dev);
 117
 118         return drm_attach(kdev, i915_pciidlist);
 119 }
 120
 121 static int
 122 i915_detach(device_t kdev)
 123 {
 124         struct drm_device *dev = device_get_softc(kdev);
 125         int ret;
 126
 127         ret = drm_detach(kdev);
 128
 129         free(dev->driver, DRM_MEM_DRIVER);
 130
 131         return ret;
 132 }
 133
 134 static device_method_t i915_methods[] = {
 135         /* Device interface */
 136         DEVMETHOD(device_probe,         i915_probe),
 137         DEVMETHOD(device_attach,        i915_attach),
 138         DEVMETHOD(device_suspend,       i915_suspend),
 139         DEVMETHOD(device_resume,        i915_resume),
 140         DEVMETHOD(device_detach,        i915_detach),
 141
 142         { 0, 0 }
 143 };
 144
 145 static driver_t i915_driver = {
 146         "drm",
 147         i915_methods,
 148         sizeof(struct drm_device)
 149 };
 150
 151 extern devclass_t drm_devclass;
 152 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
 153 MODULE_DEPEND(i915, drm, 1, 1, 1);