drivers/gpu/drm/vc4/vc4_debugfs.c

/*
 *  Copyright © 2014 Broadcom
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/seq_file.h>
#include <linux/circ_buf.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <drm/drmP.h>

#include "vc4_drv.h"
#include "vc4_regs.h"

static const struct drm_info_list vc4_debugfs_list[] = {
	{"bo_stats", vc4_bo_stats_debugfs, 0},
	{"dpi_regs", vc4_dpi_debugfs_regs, 0},
	{"dsi1_regs", vc4_dsi_debugfs_regs, 0, (void *)(uintptr_t)1},
	{"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
	{"vec_regs", vc4_vec_debugfs_regs, 0},
	{"txp_regs", vc4_txp_debugfs_regs, 0},
	{"hvs_regs", vc4_hvs_debugfs_regs, 0},
	{"hvs_underrun",  vc4_hvs_debugfs_underrun, 0},
	{"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
	{"crtc1_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)1},
	{"crtc2_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)2},
	{"v3d_ident", vc4_v3d_debugfs_ident, 0},
	{"v3d_regs", vc4_v3d_debugfs_regs, 0},
};

#define VC4_DEBUGFS_ENTRIES ARRAY_SIZE(vc4_debugfs_list)

int
vc4_debugfs_init(struct drm_minor *minor)
{
	struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
	struct dentry *dentry;

	dentry = debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
				     minor->debugfs_root,
				     &vc4->load_tracker_enabled);
	if (!dentry)
		return -ENOMEM;

	return drm_debugfs_create_files(vc4_debugfs_list, VC4_DEBUGFS_ENTRIES,
					minor->debugfs_root, minor);
}