1 /* 2 * Copyright (C) 2009 Red Hat <bskeggs@redhat.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sublicense, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial 14 * portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 /* 27 * Authors: 28 * Ben Skeggs <bskeggs@redhat.com> 29 */ 30 31 #include <linux/debugfs.h> 32 33 #include "drmP.h" 34 #include "nouveau_drv.h" 35 36 static int 37 nouveau_debugfs_channel_info(struct seq_file *m, void *data) 38 { 39 struct drm_info_node *node = (struct drm_info_node *) m->private; 40 struct nouveau_channel *chan = node->info_ent->data; 41 42 seq_printf(m, "channel id : %d\n", chan->id); 43 44 seq_printf(m, "cpu fifo state:\n"); 45 seq_printf(m, " base: 0x%08x\n", chan->pushbuf_base); 46 seq_printf(m, " max: 0x%08x\n", chan->dma.max << 2); 47 seq_printf(m, " cur: 0x%08x\n", chan->dma.cur << 2); 48 seq_printf(m, " put: 0x%08x\n", chan->dma.put << 2); 49 seq_printf(m, " free: 0x%08x\n", chan->dma.free << 2); 50 51 seq_printf(m, "gpu fifo state:\n"); 52 seq_printf(m, " get: 0x%08x\n", 53 nvchan_rd32(chan, chan->user_get)); 54 seq_printf(m, " put: 0x%08x\n", 55 nvchan_rd32(chan, chan->user_put)); 56 57 seq_printf(m, "last fence : %d\n", chan->fence.sequence); 58 seq_printf(m, "last signalled: %d\n", chan->fence.sequence_ack); 59 return 0; 60 } 61 62 int 63 nouveau_debugfs_channel_init(struct nouveau_channel *chan) 64 { 65 struct drm_nouveau_private *dev_priv = chan->dev->dev_private; 66 struct drm_minor *minor = chan->dev->primary; 67 int ret; 68 69 if (!dev_priv->debugfs.channel_root) { 70 dev_priv->debugfs.channel_root = 71 debugfs_create_dir("channel", minor->debugfs_root); 72 if (!dev_priv->debugfs.channel_root) 73 return -ENOENT; 74 } 75 76 snprintf(chan->debugfs.name, 32, "%d", chan->id); 77 chan->debugfs.info.name = chan->debugfs.name; 78 chan->debugfs.info.show = nouveau_debugfs_channel_info; 79 chan->debugfs.info.driver_features = 0; 80 chan->debugfs.info.data = chan; 81 82 ret = drm_debugfs_create_files(&chan->debugfs.info, 1, 83 dev_priv->debugfs.channel_root, 84 chan->dev->primary); 85 if (ret == 0) 86 chan->debugfs.active = true; 87 return ret; 88 } 89 90 void 91 nouveau_debugfs_channel_fini(struct nouveau_channel *chan) 92 { 93 struct drm_nouveau_private *dev_priv = chan->dev->dev_private; 94 95 if (!chan->debugfs.active) 96 return; 97 98 drm_debugfs_remove_files(&chan->debugfs.info, 1, chan->dev->primary); 99 chan->debugfs.active = false; 100 101 if (chan == dev_priv->channel) { 102 debugfs_remove(dev_priv->debugfs.channel_root); 103 dev_priv->debugfs.channel_root = NULL; 104 } 105 } 106 107 static int 108 nouveau_debugfs_chipset_info(struct seq_file *m, void *data) 109 { 110 struct drm_info_node *node = (struct drm_info_node *) m->private; 111 struct drm_minor *minor = node->minor; 112 struct drm_device *dev = minor->dev; 113 struct drm_nouveau_private *dev_priv = dev->dev_private; 114 uint32_t ppci_0; 115 116 ppci_0 = nv_rd32(dev, dev_priv->chipset >= 0x40 ? 0x88000 : 0x1800); 117 118 seq_printf(m, "PMC_BOOT_0: 0x%08x\n", nv_rd32(dev, NV03_PMC_BOOT_0)); 119 seq_printf(m, "PCI ID : 0x%04x:0x%04x\n", 120 ppci_0 & 0xffff, ppci_0 >> 16); 121 return 0; 122 } 123 124 static int 125 nouveau_debugfs_memory_info(struct seq_file *m, void *data) 126 { 127 struct drm_info_node *node = (struct drm_info_node *) m->private; 128 struct drm_minor *minor = node->minor; 129 struct drm_device *dev = minor->dev; 130 131 seq_printf(m, "VRAM total: %dKiB\n", 132 (int)(nouveau_mem_fb_amount(dev) >> 10)); 133 return 0; 134 } 135 136 static struct drm_info_list nouveau_debugfs_list[] = { 137 { "chipset", nouveau_debugfs_chipset_info, 0, NULL }, 138 { "memory", nouveau_debugfs_memory_info, 0, NULL }, 139 }; 140 #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list) 141 142 int 143 nouveau_debugfs_init(struct drm_minor *minor) 144 { 145 drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, 146 minor->debugfs_root, minor); 147 return 0; 148 } 149 150 void 151 nouveau_debugfs_takedown(struct drm_minor *minor) 152 { 153 drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, 154 minor); 155 } 156