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path: root/drivers/gpu/drm/nouveau/nouveau_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_debugfs.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
new file mode 100644
index 000000000000..d79db3698f16
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*
+ * Authors:
+ * Ben Skeggs <bskeggs@redhat.com>
+ */
+
+#include <linux/debugfs.h>
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+
+static int
+nouveau_debugfs_channel_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct nouveau_channel *chan = node->info_ent->data;
+
+ seq_printf(m, "channel id : %d\n", chan->id);
+
+ seq_printf(m, "cpu fifo state:\n");
+ seq_printf(m, " base: 0x%08x\n", chan->pushbuf_base);
+ seq_printf(m, " max: 0x%08x\n", chan->dma.max << 2);
+ seq_printf(m, " cur: 0x%08x\n", chan->dma.cur << 2);
+ seq_printf(m, " put: 0x%08x\n", chan->dma.put << 2);
+ seq_printf(m, " free: 0x%08x\n", chan->dma.free << 2);
+
+ seq_printf(m, "gpu fifo state:\n");
+ seq_printf(m, " get: 0x%08x\n",
+ nvchan_rd32(chan, chan->user_get));
+ seq_printf(m, " put: 0x%08x\n",
+ nvchan_rd32(chan, chan->user_put));
+
+ seq_printf(m, "last fence : %d\n", chan->fence.sequence);
+ seq_printf(m, "last signalled: %d\n", chan->fence.sequence_ack);
+ return 0;
+}
+
+int
+nouveau_debugfs_channel_init(struct nouveau_channel *chan)
+{
+ struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+ struct drm_minor *minor = chan->dev->primary;
+ int ret;
+
+ if (!dev_priv->debugfs.channel_root) {
+ dev_priv->debugfs.channel_root =
+ debugfs_create_dir("channel", minor->debugfs_root);
+ if (!dev_priv->debugfs.channel_root)
+ return -ENOENT;
+ }
+
+ snprintf(chan->debugfs.name, 32, "%d", chan->id);
+ chan->debugfs.info.name = chan->debugfs.name;
+ chan->debugfs.info.show = nouveau_debugfs_channel_info;
+ chan->debugfs.info.driver_features = 0;
+ chan->debugfs.info.data = chan;
+
+ ret = drm_debugfs_create_files(&chan->debugfs.info, 1,
+ dev_priv->debugfs.channel_root,
+ chan->dev->primary);
+ if (ret == 0)
+ chan->debugfs.active = true;
+ return ret;
+}
+
+void
+nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
+{
+ struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+
+ if (!chan->debugfs.active)
+ return;
+
+ drm_debugfs_remove_files(&chan->debugfs.info, 1, chan->dev->primary);
+ chan->debugfs.active = false;
+
+ if (chan == dev_priv->channel) {
+ debugfs_remove(dev_priv->debugfs.channel_root);
+ dev_priv->debugfs.channel_root = NULL;
+ }
+}
+
+static int
+nouveau_debugfs_chipset_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_minor *minor = node->minor;
+ struct drm_device *dev = minor->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t ppci_0;
+
+ ppci_0 = nv_rd32(dev, dev_priv->chipset >= 0x40 ? 0x88000 : 0x1800);
+
+ seq_printf(m, "PMC_BOOT_0: 0x%08x\n", nv_rd32(dev, NV03_PMC_BOOT_0));
+ seq_printf(m, "PCI ID : 0x%04x:0x%04x\n",
+ ppci_0 & 0xffff, ppci_0 >> 16);
+ return 0;
+}
+
+static int
+nouveau_debugfs_memory_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_minor *minor = node->minor;
+ struct drm_device *dev = minor->dev;
+
+ seq_printf(m, "VRAM total: %dKiB\n",
+ (int)(nouveau_mem_fb_amount(dev) >> 10));
+ return 0;
+}
+
+static struct drm_info_list nouveau_debugfs_list[] = {
+ { "chipset", nouveau_debugfs_chipset_info, 0, NULL },
+ { "memory", nouveau_debugfs_memory_info, 0, NULL },
+};
+#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
+
+int
+nouveau_debugfs_init(struct drm_minor *minor)
+{
+ drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
+ return 0;
+}
+
+void
+nouveau_debugfs_takedown(struct drm_minor *minor)
+{
+ drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
+ minor);
+}