81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright © 2014 Broadcom
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*/
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#include <drm/drm_drv.h>
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#include <linux/seq_file.h>
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#include <linux/circ_buf.h>
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#include <linux/ctype.h>
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#include <linux/debugfs.h>
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#include <linux/platform_device.h>
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#include "vc4_drv.h"
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#include "vc4_regs.h"
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/*
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* Called at drm_dev_register() time on each of the minors registered
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* by the DRM device, to attach the debugfs files.
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*/
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void
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vc4_debugfs_init(struct drm_minor *minor)
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{
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struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
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struct drm_device *drm = &vc4->base;
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drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor));
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if (vc4->v3d) {
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drm_WARN_ON(drm, vc4_bo_debugfs_init(minor));
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drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor));
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}
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}
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static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
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{
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struct drm_info_node *node = (struct drm_info_node *)m->private;
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struct drm_device *drm = node->minor->dev;
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struct debugfs_regset32 *regset = node->info_ent->data;
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struct drm_printer p = drm_seq_file_printer(m);
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int idx;
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if (!drm_dev_enter(drm, &idx))
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return -ENODEV;
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drm_print_regset32(&p, regset);
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drm_dev_exit(idx);
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return 0;
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}
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int vc4_debugfs_add_file(struct drm_minor *minor,
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const char *name,
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int (*show)(struct seq_file*, void*),
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void *data)
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{
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struct drm_device *dev = minor->dev;
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struct dentry *root = minor->debugfs_root;
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struct drm_info_list *file;
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file = drmm_kzalloc(dev, sizeof(*file), GFP_KERNEL);
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if (!file)
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return -ENOMEM;
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file->name = name;
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file->show = show;
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file->data = data;
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drm_debugfs_create_files(file, 1, root, minor);
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return 0;
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}
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int vc4_debugfs_add_regset32(struct drm_minor *minor,
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const char *name,
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struct debugfs_regset32 *regset)
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{
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return vc4_debugfs_add_file(minor, name, vc4_debugfs_regset32, regset);
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}
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