sys/dev/drm/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 "dev/drm/drmP.h"
  35 #include "dev/drm/drm.h"
  36 #include "dev/drm/r128_drm.h"
  37 #include "dev/drm/r128_drv.h"
  38 #include "dev/drm/drm_pciids.h"
  39
  40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  41 static drm_pci_id_list_t r128_pciidlist[] = {
  42         r128_PCI_IDS
  43 };
  44
  45 static void r128_configure(struct drm_device *dev)
  46 {
  47         dev->driver->driver_features =
  48             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
  49             DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
  50
  51         dev->driver->buf_priv_size      = sizeof(drm_r128_buf_priv_t);
  52         dev->driver->load               = r128_driver_load;
  53         dev->driver->preclose           = r128_driver_preclose;
  54         dev->driver->lastclose          = r128_driver_lastclose;
  55         dev->driver->get_vblank_counter = r128_get_vblank_counter;
  56         dev->driver->enable_vblank      = r128_enable_vblank;
  57         dev->driver->disable_vblank     = r128_disable_vblank;
  58         dev->driver->irq_preinstall     = r128_driver_irq_preinstall;
  59         dev->driver->irq_postinstall    = r128_driver_irq_postinstall;
  60         dev->driver->irq_uninstall      = r128_driver_irq_uninstall;
  61         dev->driver->irq_handler        = r128_driver_irq_handler;
  62         dev->driver->dma_ioctl          = r128_cce_buffers;
  63
  64         dev->driver->ioctls             = r128_ioctls;
  65         dev->driver->max_ioctl          = r128_max_ioctl;
  66
  67         dev->driver->name               = DRIVER_NAME;
  68         dev->driver->desc               = DRIVER_DESC;
  69         dev->driver->date               = DRIVER_DATE;
  70         dev->driver->major              = DRIVER_MAJOR;
  71         dev->driver->minor              = DRIVER_MINOR;
  72         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  73 }
  74
  75 static int
  76 r128_probe(device_t kdev)
  77 {
  78         return drm_probe(kdev, r128_pciidlist);
  79 }
  80
  81 static int
  82 r128_attach(device_t kdev)
  83 {
  84         struct drm_device *dev = device_get_softc(kdev);
  85
  86         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  87             M_WAITOK | M_ZERO);
  88
  89         r128_configure(dev);
  90
  91         return drm_attach(kdev, r128_pciidlist);
  92 }
  93
  94 int r128_driver_load(struct drm_device * dev, unsigned long flags)
  95 {
  96         return drm_vblank_init(dev, 1);
  97 }
  98
  99 static int
 100 r128_detach(device_t kdev)
 101 {
 102         struct drm_device *dev = device_get_softc(kdev);
 103         int ret;
 104
 105         ret = drm_detach(kdev);
 106
 107         free(dev->driver, DRM_MEM_DRIVER);
 108
 109         return ret;
 110 }
 111
 112 static device_method_t r128_methods[] = {
 113         /* Device interface */
 114         DEVMETHOD(device_probe,         r128_probe),
 115         DEVMETHOD(device_attach,        r128_attach),
 116         DEVMETHOD(device_detach,        r128_detach),
 117
 118         { 0, 0 }
 119 };
 120
 121 static driver_t r128_driver = {
 122         "drm",
 123         r128_methods,
 124         sizeof(struct drm_device)
 125 };
 126
 127 extern devclass_t drm_devclass;
 128 DRIVER_MODULE(r128, vgapci, r128_driver, drm_devclass, NULL, NULL);
 129 MODULE_DEPEND(r128, drm, 1, 1, 1);