1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright © 2014 Broadcom 4 */ 5 6 #include <drm/drm_drv.h> 7 #include <drm/drm_print.h> 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 <linux/platform_device.h> 14 15 #include "vc4_drv.h" 16 #include "vc4_regs.h" 17 18 /* 19 * Called at drm_dev_register() time on each of the minors registered 20 * by the DRM device, to attach the debugfs files. 21 */ 22 void 23 vc4_debugfs_init(struct drm_minor *minor) 24 { 25 struct vc4_dev *vc4 = to_vc4_dev(minor->dev); 26 struct drm_device *drm = &vc4->base; 27 28 drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor)); 29 30 if (vc4->v3d) { 31 drm_WARN_ON(drm, vc4_bo_debugfs_init(minor)); 32 drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor)); 33 } 34 } 35 36 static int vc4_debugfs_regset32(struct seq_file *m, void *unused) 37 { 38 struct drm_debugfs_entry *entry = m->private; 39 struct drm_device *drm = entry->dev; 40 struct debugfs_regset32 *regset = entry->file.data; 41 struct drm_printer p = drm_seq_file_printer(m); 42 int idx; 43 44 if (!drm_dev_enter(drm, &idx)) 45 return -ENODEV; 46 47 drm_print_regset32(&p, regset); 48 49 drm_dev_exit(idx); 50 51 return 0; 52 } 53 54 void vc4_debugfs_add_regset32(struct drm_device *drm, 55 const char *name, 56 struct debugfs_regset32 *regset) 57 { 58 drm_debugfs_add_file(drm, name, vc4_debugfs_regset32, regset); 59 } 60