[deliverable/linux.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 "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);
}
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
	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	}