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/*
* 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"
#include <ttm/ttm_page_alloc.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%10llx\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);
if (chan->dma.ib_max) {
seq_printf(m, " ib max: 0x%08x\n", chan->dma.ib_max);
seq_printf(m, " ib put: 0x%08x\n", chan->dma.ib_put);
seq_printf(m, " ib free: 0x%08x\n", chan->dma.ib_free);
}
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));
if (chan->dma.ib_max) {
seq_printf(m, " ib get: 0x%08x\n",
nvchan_rd32(chan, 0x88));
seq_printf(m, " ib put: 0x%08x\n",
nvchan_rd32(chan, 0x8c));
}
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_nouveau_private *dev_priv = minor->dev->dev_private;
seq_printf(m, "VRAM total: %dKiB\n", (int)(dev_priv->vram_size >> 10));
return 0;
}
static int
nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
int i;
for (i = 0; i < dev_priv->vbios.length; i++)
seq_printf(m, "%c", dev_priv->vbios.data[i]);
return 0;
}
static int
nouveau_debugfs_evict_vram(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
int ret;
ret = ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
if (ret)
seq_printf(m, "failed: %d", ret);
else
seq_printf(m, "succeeded\n");
return 0;
}
static struct drm_info_list nouveau_debugfs_list[] = {
{ "evict_vram", nouveau_debugfs_evict_vram, 0, NULL },
{ "chipset", nouveau_debugfs_chipset_info, 0, NULL },
{ "memory", nouveau_debugfs_memory_info, 0, NULL },
{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
{ "ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL },
{ "ttm_dma_page_pool", ttm_dma_page_alloc_debugfs, 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);
}
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