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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/**
* Marvell Bluetooth driver: debugfs related functions
*
* Copyright (C) 2009, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
**/
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include "btmrvl_drv.h"
struct btmrvl_debugfs_data {
struct dentry *config_dir;
struct dentry *status_dir;
};
static ssize_t btmrvl_hscfgcmd_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = strict_strtol(buf, 10, &result);
if (ret)
return ret;
priv->btmrvl_dev.hscfgcmd = result;
if (priv->btmrvl_dev.hscfgcmd) {
btmrvl_prepare_command(priv);
wake_up_interruptible(&priv->main_thread.wait_q);
}
return count;
}
static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
priv->btmrvl_dev.hscfgcmd);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}
static const struct file_operations btmrvl_hscfgcmd_fops = {
.read = btmrvl_hscfgcmd_read,
.write = btmrvl_hscfgcmd_write,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = strict_strtol(buf, 10, &result);
if (ret)
return ret;
priv->btmrvl_dev.pscmd = result;
if (priv->btmrvl_dev.pscmd) {
btmrvl_prepare_command(priv);
wake_up_interruptible(&priv->main_thread.wait_q);
}
return count;
}
static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}
static const struct file_operations btmrvl_pscmd_fops = {
.read = btmrvl_pscmd_read,
.write = btmrvl_pscmd_write,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
ret = strict_strtol(buf, 10, &result);
if (ret)
return ret;
priv->btmrvl_dev.hscmd = result;
if (priv->btmrvl_dev.hscmd) {
btmrvl_prepare_command(priv);
wake_up_interruptible(&priv->main_thread.wait_q);
}
return count;
}
static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct btmrvl_private *priv = file->private_data;
char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}
static const struct file_operations btmrvl_hscmd_fops = {
.read = btmrvl_hscmd_read,
.write = btmrvl_hscmd_write,
.open = simple_open,
.llseek = default_llseek,
};
void btmrvl_debugfs_init(struct hci_dev *hdev)
{
struct btmrvl_private *priv = hci_get_drvdata(hdev);
struct btmrvl_debugfs_data *dbg;
if (!hdev->debugfs)
return;
dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
priv->debugfs_data = dbg;
if (!dbg) {
BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
return;
}
dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
debugfs_create_u8("psmode", 0644, dbg->config_dir,
&priv->btmrvl_dev.psmode);
debugfs_create_file("pscmd", 0644, dbg->config_dir,
priv, &btmrvl_pscmd_fops);
debugfs_create_x16("gpiogap", 0644, dbg->config_dir,
&priv->btmrvl_dev.gpio_gap);
debugfs_create_u8("hsmode", 0644, dbg->config_dir,
&priv->btmrvl_dev.hsmode);
debugfs_create_file("hscmd", 0644, dbg->config_dir,
priv, &btmrvl_hscmd_fops);
debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
priv, &btmrvl_hscfgcmd_fops);
dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
debugfs_create_u8("curpsmode", 0444, dbg->status_dir,
&priv->adapter->psmode);
debugfs_create_u8("psstate", 0444, dbg->status_dir,
&priv->adapter->ps_state);
debugfs_create_u8("hsstate", 0444, dbg->status_dir,
&priv->adapter->hs_state);
debugfs_create_u8("txdnldready", 0444, dbg->status_dir,
&priv->btmrvl_dev.tx_dnld_rdy);
}
void btmrvl_debugfs_remove(struct hci_dev *hdev)
{
struct btmrvl_private *priv = hci_get_drvdata(hdev);
struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
if (!dbg)
return;
debugfs_remove_recursive(dbg->config_dir);
debugfs_remove_recursive(dbg->status_dir);
kfree(dbg);
}
|
