shared-core/via_drv.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "drmP.h"
  26 #include "via_drm.h"
  27 #include "via_drv.h"
  28
  29 #include "drm_pciids.h"
  30
  31
  32 static int dri_library_name(struct drm_device * dev, char * buf)
  33 {
  34         return snprintf(buf, PAGE_SIZE, "unichrome\n");
  35 }
  36
  37 static struct pci_device_id pciidlist[] = {
  38         viadrv_PCI_IDS
  39 };
  40
  41
  42 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  43 static struct drm_driver driver = {
  44         .driver_features =
  45             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
  46             DRIVER_IRQ_SHARED,
  47         .load = via_driver_load,
  48         .unload = via_driver_unload,
  49 #ifndef VIA_HAVE_CORE_MM
  50         .context_ctor = via_init_context,
  51 #endif
  52         .context_dtor = via_final_context,
  53         .get_vblank_counter = via_get_vblank_counter,
  54         .enable_vblank = via_enable_vblank,
  55         .disable_vblank = via_disable_vblank,
  56         .irq_preinstall = via_driver_irq_preinstall,
  57         .irq_postinstall = via_driver_irq_postinstall,
  58         .irq_uninstall = via_driver_irq_uninstall,
  59         .irq_handler = via_driver_irq_handler,
  60         .dma_quiescent = via_driver_dma_quiescent,
  61         .dri_library_name = dri_library_name,
  62         .reclaim_buffers = drm_core_reclaim_buffers,
  63         .reclaim_buffers_locked = NULL,
  64 #ifdef VIA_HAVE_CORE_MM
  65         .reclaim_buffers_idlelocked = via_reclaim_buffers_locked,
  66         .lastclose = via_lastclose,
  67 #endif
  68         .get_map_ofs = drm_core_get_map_ofs,
  69         .get_reg_ofs = drm_core_get_reg_ofs,
  70         .ioctls = via_ioctls,
  71         .fops = {
  72                 .owner = THIS_MODULE,
  73                 .open = drm_open,
  74                 .release = drm_release,
  75                 .ioctl = drm_ioctl,
  76                 .mmap = drm_mmap,
  77                 .poll = drm_poll,
  78                 .fasync = drm_fasync,
  79                 },
  80         .pci_driver = {
  81                 .name = DRIVER_NAME,
  82                 .id_table = pciidlist,
  83                 .probe = probe,
  84                 .remove = __devexit_p(drm_cleanup_pci),
  85         },
  86         .name = DRIVER_NAME,
  87         .desc = DRIVER_DESC,
  88         .date = VIA_DRM_DRIVER_DATE,
  89         .major = VIA_DRM_DRIVER_MAJOR,
  90         .minor = VIA_DRM_DRIVER_MINOR,
  91         .patchlevel = VIA_DRM_DRIVER_PATCHLEVEL
  92 };
  93
  94 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
  95 {
  96         return drm_get_dev(pdev, ent, &driver);
  97 }
  98
  99 static int __init via_init(void)
 100 {
 101         driver.num_ioctls = via_max_ioctl;
 102
 103         via_init_command_verifier();
 104         return drm_init(&driver, pciidlist);
 105 }
 106
 107 static void __exit via_exit(void)
 108 {
 109         drm_exit(&driver);
 110 }
 111
 112 module_init(via_init);
 113 module_exit(via_exit);
 114
 115 MODULE_AUTHOR(DRIVER_AUTHOR);
 116 MODULE_DESCRIPTION(DRIVER_DESC);
 117 MODULE_LICENSE("GPL and additional rights");