Commit | Line | Data |
---|---|---|
fb784f05 BZ |
1 | /** |
2 | * Marvell Bluetooth driver: debugfs related functions | |
3 | * | |
4 | * Copyright (C) 2009, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * | |
15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
18 | * this warranty disclaimer. | |
19 | **/ | |
20 | ||
21 | #include <linux/debugfs.h> | |
5a0e3ad6 | 22 | #include <linux/slab.h> |
fb784f05 BZ |
23 | |
24 | #include <net/bluetooth/bluetooth.h> | |
25 | #include <net/bluetooth/hci_core.h> | |
26 | ||
27 | #include "btmrvl_drv.h" | |
28 | ||
29 | struct btmrvl_debugfs_data { | |
b914a250 MH |
30 | struct dentry *config_dir; |
31 | struct dentry *status_dir; | |
fb784f05 BZ |
32 | }; |
33 | ||
fb784f05 | 34 | static ssize_t btmrvl_hscfgcmd_write(struct file *file, |
54239903 | 35 | const char __user *ubuf, size_t count, loff_t *ppos) |
fb784f05 | 36 | { |
54239903 | 37 | struct btmrvl_private *priv = file->private_data; |
54239903 | 38 | long result, ret; |
fb784f05 | 39 | |
c2e7f5de | 40 | ret = kstrtol_from_user(ubuf, count, 10, &result); |
26e7acf3 DM |
41 | if (ret) |
42 | return ret; | |
fb784f05 BZ |
43 | |
44 | priv->btmrvl_dev.hscfgcmd = result; | |
45 | ||
46 | if (priv->btmrvl_dev.hscfgcmd) { | |
47 | btmrvl_prepare_command(priv); | |
48 | wake_up_interruptible(&priv->main_thread.wait_q); | |
49 | } | |
50 | ||
51 | return count; | |
52 | } | |
53 | ||
54239903 MH |
54 | static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf, |
55 | size_t count, loff_t *ppos) | |
fb784f05 | 56 | { |
54239903 | 57 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 58 | char buf[16]; |
54239903 | 59 | int ret; |
fb784f05 BZ |
60 | |
61 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", | |
54239903 | 62 | priv->btmrvl_dev.hscfgcmd); |
fb784f05 BZ |
63 | |
64 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
65 | } | |
66 | ||
67 | static const struct file_operations btmrvl_hscfgcmd_fops = { | |
54239903 MH |
68 | .read = btmrvl_hscfgcmd_read, |
69 | .write = btmrvl_hscfgcmd_write, | |
234e3405 | 70 | .open = simple_open, |
6038f373 | 71 | .llseek = default_llseek, |
fb784f05 BZ |
72 | }; |
73 | ||
fb784f05 | 74 | static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf, |
54239903 | 75 | size_t count, loff_t *ppos) |
fb784f05 | 76 | { |
54239903 | 77 | struct btmrvl_private *priv = file->private_data; |
54239903 | 78 | long result, ret; |
fb784f05 | 79 | |
c2e7f5de | 80 | ret = kstrtol_from_user(ubuf, count, 10, &result); |
26e7acf3 DM |
81 | if (ret) |
82 | return ret; | |
fb784f05 BZ |
83 | |
84 | priv->btmrvl_dev.pscmd = result; | |
85 | ||
86 | if (priv->btmrvl_dev.pscmd) { | |
87 | btmrvl_prepare_command(priv); | |
88 | wake_up_interruptible(&priv->main_thread.wait_q); | |
89 | } | |
90 | ||
91 | return count; | |
92 | ||
93 | } | |
94 | ||
54239903 MH |
95 | static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf, |
96 | size_t count, loff_t *ppos) | |
fb784f05 | 97 | { |
54239903 | 98 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 99 | char buf[16]; |
54239903 | 100 | int ret; |
fb784f05 BZ |
101 | |
102 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd); | |
103 | ||
104 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
105 | } | |
106 | ||
107 | static const struct file_operations btmrvl_pscmd_fops = { | |
108 | .read = btmrvl_pscmd_read, | |
109 | .write = btmrvl_pscmd_write, | |
234e3405 | 110 | .open = simple_open, |
6038f373 | 111 | .llseek = default_llseek, |
fb784f05 BZ |
112 | }; |
113 | ||
fb784f05 | 114 | static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf, |
54239903 | 115 | size_t count, loff_t *ppos) |
fb784f05 | 116 | { |
be60b940 | 117 | struct btmrvl_private *priv = file->private_data; |
54239903 | 118 | long result, ret; |
fb784f05 | 119 | |
c2e7f5de | 120 | ret = kstrtol_from_user(ubuf, count, 10, &result); |
26e7acf3 DM |
121 | if (ret) |
122 | return ret; | |
fb784f05 BZ |
123 | |
124 | priv->btmrvl_dev.hscmd = result; | |
125 | if (priv->btmrvl_dev.hscmd) { | |
126 | btmrvl_prepare_command(priv); | |
127 | wake_up_interruptible(&priv->main_thread.wait_q); | |
128 | } | |
129 | ||
130 | return count; | |
131 | } | |
132 | ||
54239903 MH |
133 | static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf, |
134 | size_t count, loff_t *ppos) | |
fb784f05 | 135 | { |
54239903 | 136 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 137 | char buf[16]; |
54239903 | 138 | int ret; |
fb784f05 BZ |
139 | |
140 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd); | |
141 | ||
142 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
143 | } | |
144 | ||
145 | static const struct file_operations btmrvl_hscmd_fops = { | |
54239903 MH |
146 | .read = btmrvl_hscmd_read, |
147 | .write = btmrvl_hscmd_write, | |
234e3405 | 148 | .open = simple_open, |
6038f373 | 149 | .llseek = default_llseek, |
fb784f05 BZ |
150 | }; |
151 | ||
fb784f05 BZ |
152 | void btmrvl_debugfs_init(struct hci_dev *hdev) |
153 | { | |
155961e8 | 154 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
fb784f05 BZ |
155 | struct btmrvl_debugfs_data *dbg; |
156 | ||
b914a250 MH |
157 | if (!hdev->debugfs) |
158 | return; | |
159 | ||
fb784f05 BZ |
160 | dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); |
161 | priv->debugfs_data = dbg; | |
162 | ||
163 | if (!dbg) { | |
164 | BT_ERR("Can not allocate memory for btmrvl_debugfs_data."); | |
165 | return; | |
166 | } | |
167 | ||
b914a250 | 168 | dbg->config_dir = debugfs_create_dir("config", hdev->debugfs); |
fb784f05 | 169 | |
9da226c7 AS |
170 | debugfs_create_u8("psmode", 0644, dbg->config_dir, |
171 | &priv->btmrvl_dev.psmode); | |
172 | debugfs_create_file("pscmd", 0644, dbg->config_dir, | |
173 | priv, &btmrvl_pscmd_fops); | |
174 | debugfs_create_x16("gpiogap", 0644, dbg->config_dir, | |
175 | &priv->btmrvl_dev.gpio_gap); | |
176 | debugfs_create_u8("hsmode", 0644, dbg->config_dir, | |
177 | &priv->btmrvl_dev.hsmode); | |
178 | debugfs_create_file("hscmd", 0644, dbg->config_dir, | |
179 | priv, &btmrvl_hscmd_fops); | |
180 | debugfs_create_file("hscfgcmd", 0644, dbg->config_dir, | |
181 | priv, &btmrvl_hscfgcmd_fops); | |
fb784f05 | 182 | |
b914a250 | 183 | dbg->status_dir = debugfs_create_dir("status", hdev->debugfs); |
9da226c7 AS |
184 | debugfs_create_u8("curpsmode", 0444, dbg->status_dir, |
185 | &priv->adapter->psmode); | |
186 | debugfs_create_u8("psstate", 0444, dbg->status_dir, | |
187 | &priv->adapter->ps_state); | |
188 | debugfs_create_u8("hsstate", 0444, dbg->status_dir, | |
189 | &priv->adapter->hs_state); | |
190 | debugfs_create_u8("txdnldready", 0444, dbg->status_dir, | |
191 | &priv->btmrvl_dev.tx_dnld_rdy); | |
fb784f05 BZ |
192 | } |
193 | ||
194 | void btmrvl_debugfs_remove(struct hci_dev *hdev) | |
195 | { | |
155961e8 | 196 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
fb784f05 BZ |
197 | struct btmrvl_debugfs_data *dbg = priv->debugfs_data; |
198 | ||
199 | if (!dbg) | |
200 | return; | |
201 | ||
9da226c7 AS |
202 | debugfs_remove_recursive(dbg->config_dir); |
203 | debugfs_remove_recursive(dbg->status_dir); | |
fb784f05 | 204 | |
fb784f05 BZ |
205 | kfree(dbg); |
206 | } |