linux-core/savage_drv.c

   1 /* savage_drv.c -- Savage driver for Linux
   2  *
   3  * Copyright 2004  Felix Kuehling
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sub license,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20  * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  22  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include <linux/config.h>
  27 #include "drmP.h"
  28 #include "savage_drm.h"
  29 #include "savage_drv.h"
  30
  31 #include "drm_pciids.h"
  32
  33 static struct pci_device_id pciidlist[] = {
  34         savage_PCI_IDS
  35 };
  36
  37 static drm_ioctl_desc_t ioctls[] = {
  38         [DRM_IOCTL_NR(DRM_SAVAGE_BCI_INIT)] = {savage_bci_init, 1, 1, 1},
  39         [DRM_IOCTL_NR(DRM_SAVAGE_BCI_CMDBUF)] = {savage_bci_cmdbuf, 1, 0, 0},
  40         [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_EMIT)] = {savage_bci_event_emit, 1, 0, 0},
  41         [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_WAIT)] = {savage_bci_event_wait, 1, 0, 0},
  42 };
  43
  44 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  45 static struct drm_driver driver = {
  46         .driver_features =
  47             DRIVER_USE_AGP | DRIVER_USE_MTRR |
  48             DRIVER_HAVE_DMA | DRIVER_PCI_DMA,
  49         .dev_priv_size = sizeof(drm_savage_buf_priv_t),
  50         .load = savage_driver_load,
  51         .firstopen = savage_driver_firstopen,
  52         .lastclose = savage_driver_lastclose,
  53         .unload = savage_driver_unload,
  54         .reclaim_buffers = savage_reclaim_buffers,
  55         .get_map_ofs = drm_core_get_map_ofs,
  56         .get_reg_ofs = drm_core_get_reg_ofs,
  57         .ioctls = ioctls,
  58         .num_ioctls = DRM_ARRAY_SIZE(ioctls),
  59         .dma_ioctl = savage_bci_buffers,
  60         .fops = {
  61                 .owner   = THIS_MODULE,
  62                 .open    = drm_open,
  63                 .release = drm_release,
  64                 .ioctl   = drm_ioctl,
  65                 .mmap    = drm_mmap,
  66                 .poll = drm_poll,
  67                 .fasync  = drm_fasync,
  68         },
  69         .pci_driver = {
  70                 .name          = DRIVER_NAME,
  71                 .id_table      = pciidlist,
  72                 .probe         = probe,
  73                 .remove        = __devexit_p(drm_cleanup_pci),
  74         },
  75
  76         .name = DRIVER_NAME,
  77         .desc = DRIVER_DESC,
  78         .date = DRIVER_DATE,
  79         .major = DRIVER_MAJOR,
  80         .minor = DRIVER_MINOR,
  81         .patchlevel = DRIVER_PATCHLEVEL,
  82 };
  83
  84 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
  85 {
  86         return drm_get_dev(pdev, ent, &driver);
  87 }
  88
  89 static int __init savage_init(void)
  90 {
  91         return drm_init(&driver, pciidlist);
  92 }
  93
  94 static void __exit savage_exit(void)
  95 {
  96         drm_exit(&driver);
  97 }
  98
  99 module_init(savage_init);
 100 module_exit(savage_exit);
 101
 102 MODULE_AUTHOR( DRIVER_AUTHOR );
 103 MODULE_DESCRIPTION( DRIVER_DESC );
 104 MODULE_LICENSE("GPL and additional rights");