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 <sys/cdefs.h>
  33 __FBSDID("$FreeBSD$");
  34
  35 #include "dev/drm/drmP.h"
  36 #include "dev/drm/drm.h"
  37 #include "dev/drm/drm_mm.h"
  38 #include "dev/drm/i915_drm.h"
  39 #include "dev/drm/i915_drv.h"
  40 #include "dev/drm/drm_pciids.h"
  41
  42 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  43 static drm_pci_id_list_t i915_pciidlist[] = {
  44         i915_PCI_IDS
  45 };
  46
  47 static int i915_suspend(device_t kdev)
  48 {
  49         struct drm_device *dev = device_get_softc(kdev);
  50
  51         if (!dev || !dev->dev_private) {
  52                 DRM_ERROR("DRM not initialized, aborting suspend.\n");
  53                 return -ENODEV;
  54         }
  55
  56         DRM_LOCK();
  57         DRM_DEBUG("starting suspend\n");
  58         i915_save_state(dev);
  59         DRM_UNLOCK();
  60
  61         return (bus_generic_suspend(kdev));
  62 }
  63
  64 static int i915_resume(device_t kdev)
  65 {
  66         struct drm_device *dev = device_get_softc(kdev);
  67
  68         DRM_LOCK();
  69         i915_restore_state(dev);
  70         DRM_DEBUG("finished resume\n");
  71         DRM_UNLOCK();
  72
  73         return (bus_generic_resume(kdev));
  74 }
  75
  76 static void i915_configure(struct drm_device *dev)
  77 {
  78         dev->driver->driver_features =
  79            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
  80            DRIVER_HAVE_IRQ;
  81
  82         dev->driver->buf_priv_size      = sizeof(drm_i915_private_t);
  83         dev->driver->load               = i915_driver_load;
  84         dev->driver->unload             = i915_driver_unload;
  85         dev->driver->preclose           = i915_driver_preclose;
  86         dev->driver->lastclose          = i915_driver_lastclose;
  87         dev->driver->device_is_agp      = i915_driver_device_is_agp;
  88         dev->driver->enable_vblank      = i915_enable_vblank;
  89         dev->driver->disable_vblank     = i915_disable_vblank;
  90         dev->driver->irq_preinstall     = i915_driver_irq_preinstall;
  91         dev->driver->irq_postinstall    = i915_driver_irq_postinstall;
  92         dev->driver->irq_uninstall      = i915_driver_irq_uninstall;
  93         dev->driver->irq_handler        = i915_driver_irq_handler;
  94
  95         dev->driver->ioctls             = i915_ioctls;
  96         dev->driver->max_ioctl          = i915_max_ioctl;
  97
  98         dev->driver->name               = DRIVER_NAME;
  99         dev->driver->desc               = DRIVER_DESC;
 100         dev->driver->date               = DRIVER_DATE;
 101         dev->driver->major              = DRIVER_MAJOR;
 102         dev->driver->minor              = DRIVER_MINOR;
 103         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
 104 }
 105
 106 static int
 107 i915_probe(device_t kdev)
 108 {
 109         return drm_probe(kdev, i915_pciidlist);
 110 }
 111
 112 static int
 113 i915_attach(device_t kdev)
 114 {
 115         struct drm_device *dev = device_get_softc(kdev);
 116
 117         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 118             M_WAITOK | M_ZERO);
 119
 120         i915_configure(dev);
 121
 122         return drm_attach(kdev, i915_pciidlist);
 123 }
 124
 125 static int
 126 i915_detach(device_t kdev)
 127 {
 128         struct drm_device *dev = device_get_softc(kdev);
 129         int ret;
 130
 131         ret = drm_detach(kdev);
 132
 133         free(dev->driver, DRM_MEM_DRIVER);
 134
 135         return ret;
 136 }
 137
 138 static device_method_t i915_methods[] = {
 139         /* Device interface */
 140         DEVMETHOD(device_probe,         i915_probe),
 141         DEVMETHOD(device_attach,        i915_attach),
 142         DEVMETHOD(device_suspend,       i915_suspend),
 143         DEVMETHOD(device_resume,        i915_resume),
 144         DEVMETHOD(device_detach,        i915_detach),
 145
 146         { 0, 0 }
 147 };
 148
 149 static driver_t i915_driver = {
 150 #if __FreeBSD_version >= 700010
 151         "drm",
 152 #else
 153         "drmsub",
 154 #endif
 155         i915_methods,
 156         sizeof(struct drm_device)
 157 };
 158
 159 extern devclass_t drm_devclass;
 160 #if __FreeBSD_version >= 700010
 161 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
 162 #else
 163 DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0);
 164 #endif
 165 MODULE_DEPEND(i915, drm, 1, 1, 1);