1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Copyright (C) 2010 Google, Inc.
* Author: Erik Gilling <konkers@android.com>
*
* Copyright (C) 2011-2013 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include "dev.h"
#include "debug.h"
#include "channel.h"
unsigned int host1x_debug_trace_cmdbuf;
static pid_t host1x_debug_force_timeout_pid;
static u32 host1x_debug_force_timeout_val;
static u32 host1x_debug_force_timeout_channel;
void host1x_debug_output(struct output *o, const char *fmt, ...)
{
va_list args;
int len;
va_start(args, fmt);
len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);
va_end(args);
o->fn(o->ctx, o->buf, len);
}
static int show_channels(struct host1x_channel *ch, void *data, bool show_fifo)
{
struct host1x *m = dev_get_drvdata(ch->dev->parent);
struct output *o = data;
mutex_lock(&ch->reflock);
if (ch->refcount) {
mutex_lock(&ch->cdma.lock);
if (show_fifo)
host1x_hw_show_channel_fifo(m, ch, o);
host1x_hw_show_channel_cdma(m, ch, o);
mutex_unlock(&ch->cdma.lock);
}
mutex_unlock(&ch->reflock);
return 0;
}
static void show_syncpts(struct host1x *m, struct output *o)
{
int i;
host1x_debug_output(o, "---- syncpts ----\n");
for (i = 0; i < host1x_syncpt_nb_pts(m); i++) {
u32 max = host1x_syncpt_read_max(m->syncpt + i);
u32 min = host1x_syncpt_load(m->syncpt + i);
if (!min && !max)
continue;
host1x_debug_output(o, "id %d (%s) min %d max %d\n",
i, m->syncpt[i].name, min, max);
}
for (i = 0; i < host1x_syncpt_nb_bases(m); i++) {
u32 base_val;
base_val = host1x_syncpt_load_wait_base(m->syncpt + i);
if (base_val)
host1x_debug_output(o, "waitbase id %d val %d\n", i,
base_val);
}
host1x_debug_output(o, "\n");
}
static void show_all(struct host1x *m, struct output *o)
{
struct host1x_channel *ch;
host1x_hw_show_mlocks(m, o);
show_syncpts(m, o);
host1x_debug_output(o, "---- channels ----\n");
host1x_for_each_channel(m, ch)
show_channels(ch, o, true);
}
#ifdef CONFIG_DEBUG_FS
static void show_all_no_fifo(struct host1x *host1x, struct output *o)
{
struct host1x_channel *ch;
host1x_hw_show_mlocks(host1x, o);
show_syncpts(host1x, o);
host1x_debug_output(o, "---- channels ----\n");
host1x_for_each_channel(host1x, ch)
show_channels(ch, o, false);
}
static int host1x_debug_show_all(struct seq_file *s, void *unused)
{
struct output o = {
.fn = write_to_seqfile,
.ctx = s
};
show_all(s->private, &o);
return 0;
}
static int host1x_debug_show(struct seq_file *s, void *unused)
{
struct output o = {
.fn = write_to_seqfile,
.ctx = s
};
show_all_no_fifo(s->private, &o);
return 0;
}
static int host1x_debug_open_all(struct inode *inode, struct file *file)
{
return single_open(file, host1x_debug_show_all, inode->i_private);
}
static const struct file_operations host1x_debug_all_fops = {
.open = host1x_debug_open_all,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int host1x_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, host1x_debug_show, inode->i_private);
}
static const struct file_operations host1x_debug_fops = {
.open = host1x_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void host1x_debug_init(struct host1x *host1x)
{
struct dentry *de = debugfs_create_dir("tegra-host1x", NULL);
if (!de)
return;
/* Store the created entry */
host1x->debugfs = de;
debugfs_create_file("status", S_IRUGO, de, host1x, &host1x_debug_fops);
debugfs_create_file("status_all", S_IRUGO, de, host1x,
&host1x_debug_all_fops);
debugfs_create_u32("trace_cmdbuf", S_IRUGO|S_IWUSR, de,
&host1x_debug_trace_cmdbuf);
host1x_hw_debug_init(host1x, de);
debugfs_create_u32("force_timeout_pid", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_pid);
debugfs_create_u32("force_timeout_val", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_val);
debugfs_create_u32("force_timeout_channel", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_channel);
}
void host1x_debug_deinit(struct host1x *host1x)
{
debugfs_remove_recursive(host1x->debugfs);
}
#else
void host1x_debug_init(struct host1x *host1x)
{
}
void host1x_debug_deinit(struct host1x *host1x)
{
}
#endif
void host1x_debug_dump(struct host1x *host1x)
{
struct output o = {
.fn = write_to_printk
};
show_all(host1x, &o);
}
void host1x_debug_dump_syncpts(struct host1x *host1x)
{
struct output o = {
.fn = write_to_printk
};
show_syncpts(host1x, &o);
}
|
