LXR linux/drivers/gpu/drm/nouveau/nouveau

   1/*
   2 * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining
   5 * a copy of this software and associated documentation files (the
   6 * "Software"), to deal in the Software without restriction, including
   7 * without limitation the rights to use, copy, modify, merge, publish,
   8 * distribute, sublicense, and/or sell copies of the Software, and to
   9 * permit persons to whom the Software is furnished to do so, subject to
  10 * 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
  14 * portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  19 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 */
  25
  26/*
  27 * Authors:
  28 *  Ben Skeggs <bskeggs@redhat.com>
  29 */
  30
  31#include "nouveau_debugfs.h"
  32#include "nouveau_drm.h"
  33
  34static int
  35nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
  36{
  37        struct drm_info_node *node = (struct drm_info_node *) m->private;
  38        struct nouveau_drm *drm = nouveau_drm(node->minor->dev);
  39        int i;
  40
  41        for (i = 0; i < drm->vbios.length; i++)
  42                seq_printf(m, "%c", drm->vbios.data[i]);
  43        return 0;
  44}
  45
  46static struct drm_info_list nouveau_debugfs_list[] = {
  47        { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
  48};
  49#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
  50
  51int
  52nouveau_debugfs_init(struct drm_minor *minor)
  53{
  54        drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
  55                                 minor->debugfs_root, minor);
  56        return 0;
  57}
  58
  59void
  60nouveau_debugfs_takedown(struct drm_minor *minor)
  61{
  62        drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
  63                                 minor);
  64}
  65