1 /* 2 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 3 * Author: Rob Clark <rob.clark@linaro.org> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #include <linux/seq_file.h> 19 20 #include <drm/drm_crtc.h> 21 #include <drm/drm_fb_helper.h> 22 23 #include "omap_drv.h" 24 #include "omap_dmm_tiler.h" 25 26 #ifdef CONFIG_DEBUG_FS 27 28 static int gem_show(struct seq_file *m, void *arg) 29 { 30 struct drm_info_node *node = (struct drm_info_node *) m->private; 31 struct drm_device *dev = node->minor->dev; 32 struct omap_drm_private *priv = dev->dev_private; 33 34 seq_printf(m, "All Objects:\n"); 35 mutex_lock(&priv->list_lock); 36 omap_gem_describe_objects(&priv->obj_list, m); 37 mutex_unlock(&priv->list_lock); 38 39 return 0; 40 } 41 42 static int mm_show(struct seq_file *m, void *arg) 43 { 44 struct drm_info_node *node = (struct drm_info_node *) m->private; 45 struct drm_device *dev = node->minor->dev; 46 struct drm_printer p = drm_seq_file_printer(m); 47 48 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 49 50 return 0; 51 } 52 53 #ifdef CONFIG_DRM_FBDEV_EMULATION 54 static int fb_show(struct seq_file *m, void *arg) 55 { 56 struct drm_info_node *node = (struct drm_info_node *) m->private; 57 struct drm_device *dev = node->minor->dev; 58 struct omap_drm_private *priv = dev->dev_private; 59 struct drm_framebuffer *fb; 60 61 seq_printf(m, "fbcon "); 62 omap_framebuffer_describe(priv->fbdev->fb, m); 63 64 mutex_lock(&dev->mode_config.fb_lock); 65 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 66 if (fb == priv->fbdev->fb) 67 continue; 68 69 seq_printf(m, "user "); 70 omap_framebuffer_describe(fb, m); 71 } 72 mutex_unlock(&dev->mode_config.fb_lock); 73 74 return 0; 75 } 76 #endif 77 78 /* list of debufs files that are applicable to all devices */ 79 static struct drm_info_list omap_debugfs_list[] = { 80 {"gem", gem_show, 0}, 81 {"mm", mm_show, 0}, 82 #ifdef CONFIG_DRM_FBDEV_EMULATION 83 {"fb", fb_show, 0}, 84 #endif 85 }; 86 87 /* list of debugfs files that are specific to devices with dmm/tiler */ 88 static struct drm_info_list omap_dmm_debugfs_list[] = { 89 {"tiler_map", tiler_map_show, 0}, 90 }; 91 92 int omap_debugfs_init(struct drm_minor *minor) 93 { 94 struct drm_device *dev = minor->dev; 95 int ret; 96 97 ret = drm_debugfs_create_files(omap_debugfs_list, 98 ARRAY_SIZE(omap_debugfs_list), 99 minor->debugfs_root, minor); 100 101 if (ret) { 102 dev_err(dev->dev, "could not install omap_debugfs_list\n"); 103 return ret; 104 } 105 106 if (dmm_is_available()) 107 ret = drm_debugfs_create_files(omap_dmm_debugfs_list, 108 ARRAY_SIZE(omap_dmm_debugfs_list), 109 minor->debugfs_root, minor); 110 111 if (ret) { 112 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n"); 113 return ret; 114 } 115 116 return ret; 117 } 118 119 #endif 120