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#include <ttm/ttm_page_alloc.h> 37 38static int 39nouveau_debugfs_channel_info(struct seq_file *m, void *data) 40{ 41 struct drm_info_node *node = (struct drm_info_node *) m->private; 42 struct nouveau_channel *chan = node->info_ent->data; 43 44 seq_printf(m, "channel id : %d\n", chan->id); 45 46 seq_printf(m, "cpu fifo state:\n"); 47 seq_printf(m, " base: 0x%08x\n", chan->pushbuf_base); 48 seq_printf(m, " max: 0x%08x\n", chan->dma.max << 2); 49 seq_printf(m, " cur: 0x%08x\n", chan->dma.cur << 2); 50 seq_printf(m, " put: 0x%08x\n", chan->dma.put << 2); 51 seq_printf(m, " free: 0x%08x\n", chan->dma.free << 2); 52 if (chan->dma.ib_max) { 53 seq_printf(m, " ib max: 0x%08x\n", chan->dma.ib_max); 54 seq_printf(m, " ib put: 0x%08x\n", chan->dma.ib_put); 55 seq_printf(m, " ib free: 0x%08x\n", chan->dma.ib_free); 56 } 57 58 seq_printf(m, "gpu fifo state:\n"); 59 seq_printf(m, " get: 0x%08x\n", 60 nvchan_rd32(chan, chan->user_get)); 61 seq_printf(m, " put: 0x%08x\n", 62 nvchan_rd32(chan, chan->user_put)); 63 if (chan->dma.ib_max) { 64 seq_printf(m, " ib get: 0x%08x\n", 65 nvchan_rd32(chan, 0x88)); 66 seq_printf(m, " ib put: 0x%08x\n", 67 nvchan_rd32(chan, 0x8c)); 68 } 69 70 seq_printf(m, "last fence : %d\n", chan->fence.sequence); 71 seq_printf(m, "last signalled: %d\n", chan->fence.sequence_ack); 72 return 0; 73} 74 75int 76nouveau_debugfs_channel_init(struct nouveau_channel *chan) 77{ 78 struct drm_nouveau_private *dev_priv = chan->dev->dev_private; 79 struct drm_minor *minor = chan->dev->primary; 80 int ret; 81 82 if (!dev_priv->debugfs.channel_root) { 83 dev_priv->debugfs.channel_root = 84 debugfs_create_dir("channel", minor->debugfs_root); 85 if (!dev_priv->debugfs.channel_root) 86 return -ENOENT; 87 } 88 89 snprintf(chan->debugfs.name, 32, "%d", chan->id); 90 chan->debugfs.info.name = chan->debugfs.name; 91 chan->debugfs.info.show = nouveau_debugfs_channel_info; 92 chan->debugfs.info.driver_features = 0; 93 chan->debugfs.info.data = chan; 94 95 ret = drm_debugfs_create_files(&chan->debugfs.info, 1, 96 dev_priv->debugfs.channel_root, 97 chan->dev->primary); 98 if (ret == 0) 99 chan->debugfs.active = true; 100 return ret; 101} 102 103void 104nouveau_debugfs_channel_fini(struct nouveau_channel *chan) 105{ 106 struct drm_nouveau_private *dev_priv = chan->dev->dev_private; 107 108 if (!chan->debugfs.active) 109 return; 110 111 drm_debugfs_remove_files(&chan->debugfs.info, 1, chan->dev->primary); 112 chan->debugfs.active = false; 113 114 if (chan == dev_priv->channel) { 115 debugfs_remove(dev_priv->debugfs.channel_root); 116 dev_priv->debugfs.channel_root = NULL; 117 } 118} 119 120static int 121nouveau_debugfs_chipset_info(struct seq_file *m, void *data) 122{ 123 struct drm_info_node *node = (struct drm_info_node *) m->private; 124 struct drm_minor *minor = node->minor; 125 struct drm_device *dev = minor->dev; 126 struct drm_nouveau_private *dev_priv = dev->dev_private; 127 uint32_t ppci_0; 128 129 ppci_0 = nv_rd32(dev, dev_priv->chipset >= 0x40 ? 0x88000 : 0x1800); 130 131 seq_printf(m, "PMC_BOOT_0: 0x%08x\n", nv_rd32(dev, NV03_PMC_BOOT_0)); 132 seq_printf(m, "PCI ID : 0x%04x:0x%04x\n", 133 ppci_0 & 0xffff, ppci_0 >> 16); 134 return 0; 135} 136 137static int 138nouveau_debugfs_memory_info(struct seq_file *m, void *data) 139{ 140 struct drm_info_node *node = (struct drm_info_node *) m->private; 141 struct drm_minor *minor = node->minor; 142 struct drm_nouveau_private *dev_priv = minor->dev->dev_private; 143 144 seq_printf(m, "VRAM total: %dKiB\n", (int)(dev_priv->vram_size >> 10)); 145 return 0; 146} 147 148static int 149nouveau_debugfs_vbios_image(struct seq_file *m, void *data) 150{ 151 struct drm_info_node *node = (struct drm_info_node *) m->private; 152 struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private; 153 int i; 154 155 for (i = 0; i < dev_priv->vbios.length; i++) 156 seq_printf(m, "%c", dev_priv->vbios.data[i]); 157 return 0; 158} 159 160static struct drm_info_list nouveau_debugfs_list[] = { 161 { "chipset", nouveau_debugfs_chipset_info, 0, NULL }, 162 { "memory", nouveau_debugfs_memory_info, 0, NULL }, 163 { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, 164 { "ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL }, 165}; 166#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list) 167 168int 169nouveau_debugfs_init(struct drm_minor *minor) 170{ 171 drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, 172 minor->debugfs_root, minor); 173 return 0; 174} 175 176void 177nouveau_debugfs_takedown(struct drm_minor *minor) 178{ 179 drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, 180 minor); 181} 182