sys/external/bsd/drm/dist/bsd-core/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 "drmP.h"
  33 #include "drm.h"
  34 #include "i915_drm.h"
  35 #include "i915_drv.h"
  36 #include "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 #if defined(__FreeBSD__)
  44 static int i915_suspend(device_t kdev)
  45 {
  46         struct drm_device *dev = device_get_softc(kdev);
  47         struct drm_i915_private *dev_priv = dev->dev_private;
  48
  49         if (!dev || !dev_priv) {
  50                 DRM_ERROR("dev: 0x%lx, dev_priv: 0x%lx\n",
  51                         (unsigned long) dev, (unsigned long) dev_priv);
  52                 DRM_ERROR("DRM not initialized, aborting suspend.\n");
  53                 return -ENODEV;
  54         }
  55
  56         i915_save_state(dev);
  57
  58         return (bus_generic_suspend(kdev));
  59 }
  60
  61 static int i915_resume(device_t kdev)
  62 {
  63         struct drm_device *dev = device_get_softc(kdev);
  64
  65         i915_restore_state(dev);
  66
  67         return (bus_generic_resume(kdev));
  68 }
  69 #endif
  70
  71 static void i915_configure(struct drm_device *dev)
  72 {
  73         dev->driver->driver_features =
  74            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
  75            DRIVER_HAVE_IRQ;
  76
  77         dev->driver->buf_priv_size      = sizeof(drm_i915_private_t);
  78         dev->driver->load               = i915_driver_load;
  79         dev->driver->unload             = i915_driver_unload;
  80         dev->driver->preclose           = i915_driver_preclose;
  81         dev->driver->lastclose          = i915_driver_lastclose;
  82         dev->driver->device_is_agp      = i915_driver_device_is_agp;
  83         dev->driver->enable_vblank      = i915_enable_vblank;
  84         dev->driver->disable_vblank     = i915_disable_vblank;
  85         dev->driver->irq_preinstall     = i915_driver_irq_preinstall;
  86         dev->driver->irq_postinstall    = i915_driver_irq_postinstall;
  87         dev->driver->irq_uninstall      = i915_driver_irq_uninstall;
  88         dev->driver->irq_handler        = i915_driver_irq_handler;
  89
  90         dev->driver->ioctls             = i915_ioctls;
  91         dev->driver->max_ioctl          = i915_max_ioctl;
  92
  93         dev->driver->name               = DRIVER_NAME;
  94         dev->driver->desc               = DRIVER_DESC;
  95         dev->driver->date               = DRIVER_DATE;
  96         dev->driver->major              = DRIVER_MAJOR;
  97         dev->driver->minor              = DRIVER_MINOR;
  98         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  99 }
 100
 101 #if defined(__FreeBSD__)
 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 #if __FreeBSD_version >= 700010
 147         "drm",
 148 #else
 149         "drmsub",
 150 #endif
 151         i915_methods,
 152         sizeof(struct drm_device)
 153 };
 154
 155 extern devclass_t drm_devclass;
 156 #if __FreeBSD_version >= 700010
 157 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
 158 #else
 159 DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0);
 160 #endif
 161 MODULE_DEPEND(i915, drm, 1, 1, 1);
 162
 163 #elif   defined(__NetBSD__)
 164
 165 static bool
 166 i915drm_suspend(device_t self, pmf_qual_t qual)
 167 {
 168         struct drm_device *dev = device_private(self);
 169
 170         i915_save_state(dev);
 171         return true;
 172 }
 173
 174 static bool
 175 i915drm_resume(device_t self, pmf_qual_t qual)
 176 {
 177         struct drm_device *dev = device_private(self);
 178
 179         i915_restore_state(dev);
 180         return true;
 181 }
 182
 183 static int
 184 i915drm_probe(device_t parent, cfdata_t match, void *aux)
 185 {
 186         struct pci_attach_args *pa = aux;
 187         return drm_probe(pa, i915_pciidlist);
 188 }
 189
 190 static void
 191 i915drm_attach(device_t parent, device_t self, void *aux)
 192 {
 193         struct pci_attach_args *pa = aux;
 194         struct drm_device *dev = device_private(self);
 195
 196         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 197             M_WAITOK | M_ZERO);
 198
 199         i915_configure(dev);
 200
 201         pmf_device_register(self, i915drm_suspend, i915drm_resume);
 202
 203         drm_attach(self, pa, i915_pciidlist);
 204 }
 205
 206 static int
 207 i915drm_detach(device_t self, int flags)
 208 {
 209         pmf_device_deregister(self);
 210
 211         return drm_detach(self, flags);
 212 }
 213
 214 CFATTACH_DECL_NEW(i915drm, sizeof(struct drm_device), i915drm_probe,
 215     i915drm_attach, i915drm_detach, NULL);
 216
 217 #ifdef _MODULE
 218
 219 MODULE(MODULE_CLASS_DRIVER, i915drm, "drm");
 220
 221 CFDRIVER_DECL(i915drm, DV_DULL, NULL);
 222 extern struct cfattach i915drm_ca;
 223 static int drmloc[] = { -1 };
 224 static struct cfparent drmparent = {
 225         "drm", "vga", DVUNIT_ANY
 226 };
 227 static struct cfdata i915drm_cfdata[] = {
 228         {
 229                 .cf_name = "i915drm",
 230                 .cf_atname = "i915drm",
 231                 .cf_unit = 0,
 232                 .cf_fstate = FSTATE_STAR,
 233                 .cf_loc = drmloc,
 234                 .cf_flags = 0,
 235                 .cf_pspec = &drmparent,
 236         },
 237         { NULL }
 238 };
 239
 240 static int
 241 i915drm_modcmd(modcmd_t cmd, void *arg)
 242 {
 243         int err;
 244
 245         switch (cmd) {
 246         case MODULE_CMD_INIT:
 247                 err = config_cfdriver_attach(&i915drm_cd);
 248                 if (err)
 249                         return err;
 250                 err = config_cfattach_attach("i915drm", &i915drm_ca);
 251                 if (err) {
 252                         config_cfdriver_detach(&i915drm_cd);
 253                         return err;
 254                 }
 255                 err = config_cfdata_attach(i915drm_cfdata, 1);
 256                 if (err) {
 257                         config_cfattach_detach("i915drm", &i915drm_ca);
 258                         config_cfdriver_detach(&i915drm_cd);
 259                         return err;
 260                 }
 261                 return 0;
 262         case MODULE_CMD_FINI:
 263                 err = config_cfdata_detach(i915drm_cfdata);
 264                 if (err)
 265                         return err;
 266                 config_cfattach_detach("i915drm", &i915drm_ca);
 267                 config_cfdriver_detach(&i915drm_cd);
 268                 return 0;
 269         default:
 270                 return ENOTTY;
 271         }
 272 }
 273 #endif /* _MODULE */
 274
 275 #endif