drivers/char/drm/radeon_drv.c

   1 /**
   2  * \file radeon_drv.c
   3  * ATI Radeon driver
   4  *
   5  * \author Gareth Hughes <gareth@valinux.com>
   6  */
   7
   8 /*
   9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  10  * All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice (including the next
  20  * paragraph) shall be included in all copies or substantial portions of the
  21  * Software.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  29  * OTHER DEALINGS IN THE SOFTWARE.
  30  */
  31
  32 #include <linux/config.h>
  33 #include "drmP.h"
  34 #include "drm.h"
  35 #include "radeon_drm.h"
  36 #include "radeon_drv.h"
  37
  38 #include "drm_pciids.h"
  39
  40 int radeon_no_wb;
  41
  42 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers\n");
  43 module_param_named(no_wb, radeon_no_wb, int, 0444);
  44
  45 static int postinit(struct drm_device *dev, unsigned long flags)
  46 {
  47         DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
  48                  DRIVER_NAME,
  49                  DRIVER_MAJOR,
  50                  DRIVER_MINOR,
  51                  DRIVER_PATCHLEVEL,
  52                  DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
  53             );
  54         return 0;
  55 }
  56
  57 static int version(drm_version_t * version)
  58 {
  59         int len;
  60
  61         version->version_major = DRIVER_MAJOR;
  62         version->version_minor = DRIVER_MINOR;
  63         version->version_patchlevel = DRIVER_PATCHLEVEL;
  64         DRM_COPY(version->name, DRIVER_NAME);
  65         DRM_COPY(version->date, DRIVER_DATE);
  66         DRM_COPY(version->desc, DRIVER_DESC);
  67         return 0;
  68 }
  69
  70 static struct pci_device_id pciidlist[] = {
  71         radeon_PCI_IDS
  72 };
  73
  74 static struct drm_driver driver = {
  75         .driver_features =
  76             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
  77             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED |
  78             DRIVER_IRQ_VBL,
  79         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
  80         .preinit = radeon_driver_preinit,
  81         .presetup = radeon_presetup,
  82         .postcleanup = radeon_driver_postcleanup,
  83         .prerelease = radeon_driver_prerelease,
  84         .pretakedown = radeon_driver_pretakedown,
  85         .open_helper = radeon_driver_open_helper,
  86         .vblank_wait = radeon_driver_vblank_wait,
  87         .irq_preinstall = radeon_driver_irq_preinstall,
  88         .irq_postinstall = radeon_driver_irq_postinstall,
  89         .irq_uninstall = radeon_driver_irq_uninstall,
  90         .irq_handler = radeon_driver_irq_handler,
  91         .free_filp_priv = radeon_driver_free_filp_priv,
  92         .reclaim_buffers = drm_core_reclaim_buffers,
  93         .get_map_ofs = drm_core_get_map_ofs,
  94         .get_reg_ofs = drm_core_get_reg_ofs,
  95         .postinit = postinit,
  96         .version = version,
  97         .ioctls = radeon_ioctls,
  98         .dma_ioctl = radeon_cp_buffers,
  99         .fops = {
 100                  .owner = THIS_MODULE,
 101                  .open = drm_open,
 102                  .release = drm_release,
 103                  .ioctl = drm_ioctl,
 104                  .mmap = drm_mmap,
 105                  .poll = drm_poll,
 106                  .fasync = drm_fasync,
 107 #ifdef CONFIG_COMPAT
 108                  .compat_ioctl = radeon_compat_ioctl,
 109 #endif
 110                  }
 111         ,
 112         .pci_driver = {
 113                        .name = DRIVER_NAME,
 114                        .id_table = pciidlist,
 115                        }
 116 };
 117
 118 static int __init radeon_init(void)
 119 {
 120         driver.num_ioctls = radeon_max_ioctl;
 121         return drm_init(&driver);
 122 }
 123
 124 static void __exit radeon_exit(void)
 125 {
 126         drm_exit(&driver);
 127 }
 128
 129 module_init(radeon_init);
 130 module_exit(radeon_exit);
 131
 132 MODULE_AUTHOR(DRIVER_AUTHOR);
 133 MODULE_DESCRIPTION(DRIVER_DESC);
 134 MODULE_LICENSE("GPL and additional rights");