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 int ret; 34 35 ret = mutex_lock_interruptible(&dev->struct_mutex); 36 if (ret) 37 return ret; 38 39 seq_printf(m, "All Objects:\n"); 40 omap_gem_describe_objects(&priv->obj_list, m); 41 42 mutex_unlock(&dev->struct_mutex); 43 44 return 0; 45 } 46 47 static int mm_show(struct seq_file *m, void *arg) 48 { 49 struct drm_info_node *node = (struct drm_info_node *) m->private; 50 struct drm_device *dev = node->minor->dev; 51 struct drm_printer p = drm_seq_file_printer(m); 52 53 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 54 55 return 0; 56 } 57 58 #ifdef CONFIG_DRM_FBDEV_EMULATION 59 static int fb_show(struct seq_file *m, void *arg) 60 { 61 struct drm_info_node *node = (struct drm_info_node *) m->private; 62 struct drm_device *dev = node->minor->dev; 63 struct omap_drm_private *priv = dev->dev_private; 64 struct drm_framebuffer *fb; 65 66 seq_printf(m, "fbcon "); 67 omap_framebuffer_describe(priv->fbdev->fb, m); 68 69 mutex_lock(&dev->mode_config.fb_lock); 70 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 71 if (fb == priv->fbdev->fb) 72 continue; 73 74 seq_printf(m, "user "); 75 omap_framebuffer_describe(fb, m); 76 } 77 mutex_unlock(&dev->mode_config.fb_lock); 78 79 return 0; 80 } 81 #endif 82 83 /* list of debufs files that are applicable to all devices */ 84 static struct drm_info_list omap_debugfs_list[] = { 85 {"gem", gem_show, 0}, 86 {"mm", mm_show, 0}, 87 #ifdef CONFIG_DRM_FBDEV_EMULATION 88 {"fb", fb_show, 0}, 89 #endif 90 }; 91 92 /* list of debugfs files that are specific to devices with dmm/tiler */ 93 static struct drm_info_list omap_dmm_debugfs_list[] = { 94 {"tiler_map", tiler_map_show, 0}, 95 }; 96 97 int omap_debugfs_init(struct drm_minor *minor) 98 { 99 struct drm_device *dev = minor->dev; 100 int ret; 101 102 ret = drm_debugfs_create_files(omap_debugfs_list, 103 ARRAY_SIZE(omap_debugfs_list), 104 minor->debugfs_root, minor); 105 106 if (ret) { 107 dev_err(dev->dev, "could not install omap_debugfs_list\n"); 108 return ret; 109 } 110 111 if (dmm_is_available()) 112 ret = drm_debugfs_create_files(omap_dmm_debugfs_list, 113 ARRAY_SIZE(omap_dmm_debugfs_list), 114 minor->debugfs_root, minor); 115 116 if (ret) { 117 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n"); 118 return ret; 119 } 120 121 return ret; 122 } 123 124 #endif 125