[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nouveau_debugfs.c

/*
 * 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 <drm/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);
}
Commit	Line	Data
6ee73861 BS	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
760285e7	33	#include <drm/drmP.h>
6ee73861 BS	34	#include "nouveau_drv.h"
6ee73861 BS	35
bf62acde PN	36	#include <ttm/ttm_page_alloc.h>
bf62acde PN	37
6ee73861 BS	38	static int
	39	nouveau_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");
4e03b4af	47	seq_printf(m, " base: 0x%10llx\n", chan->pushbuf_base);
6ee73861 BS	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);
9a391ad8 BS	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	}
6ee73861 BS	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));
9a391ad8 BS	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	}
6ee73861	69
6ee73861 BS	70	return 0;
	71	}
	72
	73	int
	74	nouveau_debugfs_channel_init(struct nouveau_channel *chan)
	75	{
	76	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
	77	struct drm_minor *minor = chan->dev->primary;
	78	int ret;
	79
	80	if (!dev_priv->debugfs.channel_root) {
	81	dev_priv->debugfs.channel_root =
	82	debugfs_create_dir("channel", minor->debugfs_root);
	83	if (!dev_priv->debugfs.channel_root)
	84	return -ENOENT;
	85	}
	86
	87	snprintf(chan->debugfs.name, 32, "%d", chan->id);
	88	chan->debugfs.info.name = chan->debugfs.name;
	89	chan->debugfs.info.show = nouveau_debugfs_channel_info;
	90	chan->debugfs.info.driver_features = 0;
	91	chan->debugfs.info.data = chan;
	92
	93	ret = drm_debugfs_create_files(&chan->debugfs.info, 1,
	94	dev_priv->debugfs.channel_root,
	95	chan->dev->primary);
	96	if (ret == 0)
	97	chan->debugfs.active = true;
	98	return ret;
	99	}
	100
	101	void
	102	nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
	103	{
	104	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
	105
	106	if (!chan->debugfs.active)
	107	return;
	108
	109	drm_debugfs_remove_files(&chan->debugfs.info, 1, chan->dev->primary);
	110	chan->debugfs.active = false;
	111
	112	if (chan == dev_priv->channel) {
	113	debugfs_remove(dev_priv->debugfs.channel_root);
	114	dev_priv->debugfs.channel_root = NULL;
	115	}
	116	}
	117
	118	static int
	119	nouveau_debugfs_chipset_info(struct seq_file m, void data)
	120	{
	121	struct drm_info_node node = (struct drm_info_node ) m->private;
	122	struct drm_minor *minor = node->minor;
	123	struct drm_device *dev = minor->dev;
	124	struct drm_nouveau_private *dev_priv = dev->dev_private;
	125	uint32_t ppci_0;
	126
	127	ppci_0 = nv_rd32(dev, dev_priv->chipset >= 0x40 ? 0x88000 : 0x1800);
	128
	129	seq_printf(m, "PMC_BOOT_0: 0x%08x\n", nv_rd32(dev, NV03_PMC_BOOT_0));
	130	seq_printf(m, "PCI ID : 0x%04x:0x%04x\n",
	131	ppci_0 & 0xffff, ppci_0 >> 16);
	132	return 0;
	133	}
134
135	static int
136	nouveau_debugfs_memory_info(struct seq_file m, void data)
137	{
138	struct drm_info_node node = (struct drm_info_node ) m->private;
139	struct drm_minor *minor = node->minor;
a76fb4e8	140	struct drm_nouveau_private *dev_priv = minor->dev->dev_private;
6ee73861	141
a76fb4e8	142	seq_printf(m, "VRAM total: %dKiB\n", (int)(dev_priv->vram_size >> 10));
6ee73861 BS	143	return 0;
	144	}
	145
b42861f4 BS	146	static int
	147	nouveau_debugfs_vbios_image(struct seq_file m, void data)
	148	{
	149	struct drm_info_node node = (struct drm_info_node ) m->private;
	150	struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
	151	int i;
	152
04a39c57 BS	153	for (i = 0; i < dev_priv->vbios.length; i++)
04a39c57 BS	154	seq_printf(m, "%c", dev_priv->vbios.data[i]);
b42861f4 BS	155	return 0;
	156	}
	157
5f7d42ec BS	158	static int
	159	nouveau_debugfs_evict_vram(struct seq_file m, void data)
	160	{
	161	struct drm_info_node node = (struct drm_info_node ) m->private;
	162	struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
	163	int ret;
	164
	165	ret = ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
	166	if (ret)
	167	seq_printf(m, "failed: %d", ret);
	168	else
	169	seq_printf(m, "succeeded\n");
	170	return 0;
	171	}
	172
6ee73861	173	static struct drm_info_list nouveau_debugfs_list[] = {
5f7d42ec	174	{ "evict_vram", nouveau_debugfs_evict_vram, 0, NULL },
6ee73861 BS	175	{ "chipset", nouveau_debugfs_chipset_info, 0, NULL },
6ee73861 BS	176	{ "memory", nouveau_debugfs_memory_info, 0, NULL },
b42861f4	177	{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
bf62acde	178	{ "ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL },
3230cfc3	179	{ "ttm_dma_page_pool", ttm_dma_page_alloc_debugfs, 0, NULL },
6ee73861 BS	180	};
	181	#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
	182
	183	int
	184	nouveau_debugfs_init(struct drm_minor *minor)
	185	{
	186	drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
	187	minor->debugfs_root, minor);
	188	return 0;
	189	}
	190
	191	void
	192	nouveau_debugfs_takedown(struct drm_minor *minor)
	193	{
	194	drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
	195	minor);
	196	}