bsd-core/via_drv.c

   1 /* via_drv.c -- VIA unichrome driver -*- linux-c -*-
   2  * Created: Fri Aug 12 2005 by anholt@FreeBSD.org
   3  */
   4 /*-
   5  * Copyright 2005 Eric Anholt
   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  * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  23  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Eric Anholt <anholt@FreeBSD.org>
  28  *
  29  */
  30
  31 #include "drmP.h"
  32 #include "drm.h"
  33 #include "via_drm.h"
  34 #include "via_drv.h"
  35 #include "drm_pciids.h"
  36
  37 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  38 static drm_pci_id_list_t via_pciidlist[] = {
  39         viadrv_PCI_IDS
  40 };
  41
  42 static void via_configure(struct drm_device *dev)
  43 {
  44         dev->driver->driver_features =
  45             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ;
  46
  47         dev->driver->buf_priv_size      = 1;
  48         dev->driver->load               = via_driver_load;
  49         dev->driver->unload             = via_driver_unload;
  50         dev->driver->context_ctor       = via_init_context;
  51         dev->driver->context_dtor       = via_final_context;
  52         dev->driver->get_vblank_counter = via_get_vblank_counter;
  53         dev->driver->enable_vblank      = via_enable_vblank;
  54         dev->driver->disable_vblank     = via_disable_vblank;
  55         dev->driver->irq_preinstall     = via_driver_irq_preinstall;
  56         dev->driver->irq_postinstall    = via_driver_irq_postinstall;
  57         dev->driver->irq_uninstall      = via_driver_irq_uninstall;
  58         dev->driver->irq_handler        = via_driver_irq_handler;
  59         dev->driver->dma_quiescent      = via_driver_dma_quiescent;
  60
  61         dev->driver->ioctls             = via_ioctls;
  62         dev->driver->max_ioctl          = via_max_ioctl;
  63
  64         dev->driver->name               = DRIVER_NAME;
  65         dev->driver->desc               = DRIVER_DESC;
  66         dev->driver->date               = DRIVER_DATE;
  67         dev->driver->major              = DRIVER_MAJOR;
  68         dev->driver->minor              = DRIVER_MINOR;
  69         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  70 }
  71
  72 static int
  73 via_probe(device_t kdev)
  74 {
  75         return drm_probe(kdev, via_pciidlist);
  76 }
  77
  78 static int
  79 via_attach(device_t kdev)
  80 {
  81         struct drm_device *dev = device_get_softc(kdev);
  82
  83         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  84             M_WAITOK | M_ZERO);
  85
  86         via_configure(dev);
  87
  88         return drm_attach(kdev, via_pciidlist);
  89 }
  90
  91 static int
  92 via_detach(device_t kdev)
  93 {
  94         struct drm_device *dev = device_get_softc(kdev);
  95         int ret;
  96
  97         ret = drm_detach(kdev);
  98
  99         free(dev->driver, DRM_MEM_DRIVER);
 100
 101         return ret;
 102 }
 103
 104 static device_method_t via_methods[] = {
 105         /* Device interface */
 106         DEVMETHOD(device_probe,         via_probe),
 107         DEVMETHOD(device_attach,        via_attach),
 108         DEVMETHOD(device_detach,        via_detach),
 109
 110         { 0, 0 }
 111 };
 112
 113 static driver_t via_driver = {
 114         "drm",
 115         via_methods,
 116         sizeof(struct drm_device)
 117 };
 118
 119 extern devclass_t drm_devclass;
 120 DRIVER_MODULE(via, pci, via_driver, drm_devclass, 0, 0);
 121 MODULE_DEPEND(via, drm, 1, 1, 1);