sys/dev/drm/radeon_drv.c

   1 /* radeon_drv.c -- ATI Radeon 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 "dev/drm/drmP.h"
  33 #include "dev/drm/drm.h"
  34 #include "dev/drm/radeon_drm.h"
  35 #include "dev/drm/radeon_drv.h"
  36 #include "dev/drm/drm_pciids.h"
  37
  38 int radeon_no_wb;
  39
  40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  41 static drm_pci_id_list_t radeon_pciidlist[] = {
  42         radeon_PCI_IDS
  43 };
  44
  45 static void radeon_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_radeon_buf_priv_t);
  52         dev->driver->load               = radeon_driver_load;
  53         dev->driver->unload             = radeon_driver_unload;
  54         dev->driver->firstopen          = radeon_driver_firstopen;
  55         dev->driver->open               = radeon_driver_open;
  56         dev->driver->preclose           = radeon_driver_preclose;
  57         dev->driver->postclose          = radeon_driver_postclose;
  58         dev->driver->lastclose          = radeon_driver_lastclose;
  59         dev->driver->get_vblank_counter = radeon_get_vblank_counter;
  60         dev->driver->enable_vblank      = radeon_enable_vblank;
  61         dev->driver->disable_vblank     = radeon_disable_vblank;
  62         dev->driver->irq_preinstall     = radeon_driver_irq_preinstall;
  63         dev->driver->irq_postinstall    = radeon_driver_irq_postinstall;
  64         dev->driver->irq_uninstall      = radeon_driver_irq_uninstall;
  65         dev->driver->irq_handler        = radeon_driver_irq_handler;
  66         dev->driver->dma_ioctl          = radeon_cp_buffers;
  67
  68         dev->driver->ioctls             = radeon_ioctls;
  69         dev->driver->max_ioctl          = radeon_max_ioctl;
  70
  71         dev->driver->name               = DRIVER_NAME;
  72         dev->driver->desc               = DRIVER_DESC;
  73         dev->driver->date               = DRIVER_DATE;
  74         dev->driver->major              = DRIVER_MAJOR;
  75         dev->driver->minor              = DRIVER_MINOR;
  76         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  77 }
  78
  79 static int
  80 radeon_probe(device_t kdev)
  81 {
  82         return drm_probe(kdev, radeon_pciidlist);
  83 }
  84
  85 static int
  86 radeon_attach(device_t kdev)
  87 {
  88         struct drm_device *dev = device_get_softc(kdev);
  89
  90         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  91             M_WAITOK | M_ZERO);
  92
  93         radeon_configure(dev);
  94
  95         return drm_attach(kdev, radeon_pciidlist);
  96 }
  97
  98 static int
  99 radeon_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         free(dev->driver, DRM_MEM_DRIVER);
 107
 108         return ret;
 109 }
 110
 111 static device_method_t radeon_methods[] = {
 112         /* Device interface */
 113         DEVMETHOD(device_probe,         radeon_probe),
 114         DEVMETHOD(device_attach,        radeon_attach),
 115         DEVMETHOD(device_detach,        radeon_detach),
 116
 117         { 0, 0 }
 118 };
 119
 120 static driver_t radeon_driver = {
 121         "drm",
 122         radeon_methods,
 123         sizeof(struct drm_device)
 124 };
 125
 126 extern devclass_t drm_devclass;
 127 DRIVER_MODULE(radeon, vgapci, radeon_driver, drm_devclass, 0, 0);
 128 MODULE_DEPEND(radeon, drm, 1, 1, 1);