drivers/gpu/drm/vc4/vc4_debugfs.c

   1 /*
   2  *  Copyright © 2014 Broadcom
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #include <linux/seq_file.h>
  10 #include <linux/circ_buf.h>
  11 #include <linux/ctype.h>
  12 #include <linux/debugfs.h>
  13 #include <drm/drmP.h>
  14
  15 #include "vc4_drv.h"
  16 #include "vc4_regs.h"
  17
  18 static const struct drm_info_list vc4_debugfs_list[] = {
  19         {"bo_stats", vc4_bo_stats_debugfs, 0},
  20         {"dpi_regs", vc4_dpi_debugfs_regs, 0},
  21         {"dsi1_regs", vc4_dsi_debugfs_regs, 0, (void *)(uintptr_t)1},
  22         {"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
  23         {"vec_regs", vc4_vec_debugfs_regs, 0},
  24         {"txp_regs", vc4_txp_debugfs_regs, 0},
  25         {"hvs_regs", vc4_hvs_debugfs_regs, 0},
  26         {"hvs_underrun",  vc4_hvs_debugfs_underrun, 0},
  27         {"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
  28         {"crtc1_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)1},
  29         {"crtc2_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)2},
  30         {"v3d_ident", vc4_v3d_debugfs_ident, 0},
  31         {"v3d_regs", vc4_v3d_debugfs_regs, 0},
  32 };
  33
  34 #define VC4_DEBUGFS_ENTRIES ARRAY_SIZE(vc4_debugfs_list)
  35
  36 int
  37 vc4_debugfs_init(struct drm_minor *minor)
  38 {
  39         struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
  40         struct dentry *dentry;
  41
  42         dentry = debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
  43                                      minor->debugfs_root,
  44                                      &vc4->load_tracker_enabled);
  45         if (!dentry)
  46                 return -ENOMEM;
  47
  48         return drm_debugfs_create_files(vc4_debugfs_list, VC4_DEBUGFS_ENTRIES,
  49                                         minor->debugfs_root, minor);
  50 }