sys/dev/drm/r128/r128_drv.c

   1 /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
   2  * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
   3  */
   4 /*-
   5  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
   6  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   7  * All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the next
  17  * paragraph) shall be included in all copies or substantial portions of the
  18  * Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26  * OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  * Authors:
  29  *    Rickard E. (Rik) Faith <faith@valinux.com>
  30  *    Gareth Hughes <gareth@valinux.com>
  31  *
  32  */
  33
  34 #include <drm/drmP.h>
  35 #include "r128_drm.h"
  36 #include "r128_drv.h"
  37 #include <drm/drm_pciids.h>
  38
  39 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  40 static drm_pci_id_list_t r128_pciidlist[] = {
  41         r128_PCI_IDS
  42 };
  43
  44 static void r128_configure(struct drm_device *dev)
  45 {
  46         dev->driver->driver_features =
  47             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
  48             DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
  49
  50         dev->driver->buf_priv_size      = sizeof(drm_r128_buf_priv_t);
  51         dev->driver->load               = r128_driver_load;
  52         dev->driver->preclose           = r128_driver_preclose;
  53         dev->driver->lastclose          = r128_driver_lastclose;
  54         dev->driver->get_vblank_counter = r128_get_vblank_counter;
  55         dev->driver->enable_vblank      = r128_enable_vblank;
  56         dev->driver->disable_vblank     = r128_disable_vblank;
  57         dev->driver->irq_preinstall     = r128_driver_irq_preinstall;
  58         dev->driver->irq_postinstall    = r128_driver_irq_postinstall;
  59         dev->driver->irq_uninstall      = r128_driver_irq_uninstall;
  60         dev->driver->irq_handler        = r128_driver_irq_handler;
  61         dev->driver->dma_ioctl          = r128_cce_buffers;
  62
  63         dev->driver->ioctls             = r128_ioctls;
  64         dev->driver->max_ioctl          = r128_max_ioctl;
  65
  66         dev->driver->name               = DRIVER_NAME;
  67         dev->driver->desc               = DRIVER_DESC;
  68         dev->driver->date               = DRIVER_DATE;
  69         dev->driver->major              = DRIVER_MAJOR;
  70         dev->driver->minor              = DRIVER_MINOR;
  71         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  72 }
  73
  74 static int
  75 r128_probe(device_t kdev)
  76 {
  77         return drm_probe(kdev, r128_pciidlist);
  78 }
  79
  80 static int
  81 r128_attach(device_t kdev)
  82 {
  83         struct drm_device *dev = device_get_softc(kdev);
  84
  85         dev->driver = kmalloc(sizeof(struct drm_driver), DRM_MEM_DRIVER,
  86             M_WAITOK | M_ZERO);
  87
  88         r128_configure(dev);
  89
  90         return drm_attach(kdev, r128_pciidlist);
  91 }
  92
  93 int r128_driver_load(struct drm_device * dev, unsigned long flags)
  94 {
  95         return drm_vblank_init(dev, 1);
  96 }
  97
  98 static int
  99 r128_detach(device_t kdev)
 100 {
 101         struct drm_device *dev = device_get_softc(kdev);
 102         int ret;
 103
 104         ret = drm_detach(kdev);
 105
 106         kfree(dev->driver, DRM_MEM_DRIVER);
 107
 108         return ret;
 109 }
 110
 111 static device_method_t r128_methods[] = {
 112         /* Device interface */
 113         DEVMETHOD(device_probe,         r128_probe),
 114         DEVMETHOD(device_attach,        r128_attach),
 115         DEVMETHOD(device_detach,        r128_detach),
 116
 117         DEVMETHOD_END
 118 };
 119
 120 static driver_t r128_driver = {
 121         "drm",
 122         r128_methods,
 123         sizeof(struct drm_device)
 124 };
 125
 126 extern devclass_t drm_devclass;
 127 DRIVER_MODULE(r128, vgapci, r128_driver, drm_devclass, NULL, NULL);
 128 MODULE_DEPEND(r128, drm, 1, 1, 1);