Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / bluetooth / btmrvl_debugfs.c
blobb50b41d97a7f2d781ebf5e0c58a79e1298171f1b
1 /**
2 * Marvell Bluetooth driver: debugfs related functions
4 * Copyright (C) 2009, Marvell International Ltd.
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.
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 **/
21 #include <linux/debugfs.h>
22 #include <linux/slab.h>
24 #include <net/bluetooth/bluetooth.h>
25 #include <net/bluetooth/hci_core.h>
27 #include "btmrvl_drv.h"
29 struct btmrvl_debugfs_data {
30 struct dentry *config_dir;
31 struct dentry *status_dir;
33 /* config */
34 struct dentry *psmode;
35 struct dentry *pscmd;
36 struct dentry *hsmode;
37 struct dentry *hscmd;
38 struct dentry *gpiogap;
39 struct dentry *hscfgcmd;
41 /* status */
42 struct dentry *curpsmode;
43 struct dentry *hsstate;
44 struct dentry *psstate;
45 struct dentry *txdnldready;
48 static int btmrvl_open_generic(struct inode *inode, struct file *file)
50 file->private_data = inode->i_private;
51 return 0;
54 static ssize_t btmrvl_hscfgcmd_write(struct file *file,
55 const char __user *ubuf, size_t count, loff_t *ppos)
57 struct btmrvl_private *priv = file->private_data;
58 char buf[16];
59 long result, ret;
61 memset(buf, 0, sizeof(buf));
63 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
64 return -EFAULT;
66 ret = strict_strtol(buf, 10, &result);
68 priv->btmrvl_dev.hscfgcmd = result;
70 if (priv->btmrvl_dev.hscfgcmd) {
71 btmrvl_prepare_command(priv);
72 wake_up_interruptible(&priv->main_thread.wait_q);
75 return count;
78 static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
79 size_t count, loff_t *ppos)
81 struct btmrvl_private *priv = file->private_data;
82 char buf[16];
83 int ret;
85 ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
86 priv->btmrvl_dev.hscfgcmd);
88 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
91 static const struct file_operations btmrvl_hscfgcmd_fops = {
92 .read = btmrvl_hscfgcmd_read,
93 .write = btmrvl_hscfgcmd_write,
94 .open = btmrvl_open_generic,
97 static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
98 size_t count, loff_t *ppos)
100 struct btmrvl_private *priv = file->private_data;
101 char buf[16];
102 long result, ret;
104 memset(buf, 0, sizeof(buf));
106 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
107 return -EFAULT;
109 ret = strict_strtol(buf, 10, &result);
111 priv->btmrvl_dev.psmode = result;
113 return count;
116 static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
117 size_t count, loff_t *ppos)
119 struct btmrvl_private *priv = file->private_data;
120 char buf[16];
121 int ret;
123 ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
124 priv->btmrvl_dev.psmode);
126 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
129 static const struct file_operations btmrvl_psmode_fops = {
130 .read = btmrvl_psmode_read,
131 .write = btmrvl_psmode_write,
132 .open = btmrvl_open_generic,
135 static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
136 size_t count, loff_t *ppos)
138 struct btmrvl_private *priv = file->private_data;
139 char buf[16];
140 long result, ret;
142 memset(buf, 0, sizeof(buf));
144 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
145 return -EFAULT;
147 ret = strict_strtol(buf, 10, &result);
149 priv->btmrvl_dev.pscmd = result;
151 if (priv->btmrvl_dev.pscmd) {
152 btmrvl_prepare_command(priv);
153 wake_up_interruptible(&priv->main_thread.wait_q);
156 return count;
160 static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
161 size_t count, loff_t *ppos)
163 struct btmrvl_private *priv = file->private_data;
164 char buf[16];
165 int ret;
167 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
169 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
172 static const struct file_operations btmrvl_pscmd_fops = {
173 .read = btmrvl_pscmd_read,
174 .write = btmrvl_pscmd_write,
175 .open = btmrvl_open_generic,
178 static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
179 size_t count, loff_t *ppos)
181 struct btmrvl_private *priv = file->private_data;
182 char buf[16];
183 long result, ret;
185 memset(buf, 0, sizeof(buf));
187 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
188 return -EFAULT;
190 ret = strict_strtol(buf, 16, &result);
192 priv->btmrvl_dev.gpio_gap = result;
194 return count;
197 static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
198 size_t count, loff_t *ppos)
200 struct btmrvl_private *priv = file->private_data;
201 char buf[16];
202 int ret;
204 ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
205 priv->btmrvl_dev.gpio_gap);
207 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
210 static const struct file_operations btmrvl_gpiogap_fops = {
211 .read = btmrvl_gpiogap_read,
212 .write = btmrvl_gpiogap_write,
213 .open = btmrvl_open_generic,
216 static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
217 size_t count, loff_t *ppos)
219 struct btmrvl_private *priv = (struct btmrvl_private *) file->private_data;
220 char buf[16];
221 long result, ret;
223 memset(buf, 0, sizeof(buf));
225 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
226 return -EFAULT;
228 ret = strict_strtol(buf, 10, &result);
230 priv->btmrvl_dev.hscmd = result;
231 if (priv->btmrvl_dev.hscmd) {
232 btmrvl_prepare_command(priv);
233 wake_up_interruptible(&priv->main_thread.wait_q);
236 return count;
239 static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
240 size_t count, loff_t *ppos)
242 struct btmrvl_private *priv = file->private_data;
243 char buf[16];
244 int ret;
246 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
248 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
251 static const struct file_operations btmrvl_hscmd_fops = {
252 .read = btmrvl_hscmd_read,
253 .write = btmrvl_hscmd_write,
254 .open = btmrvl_open_generic,
257 static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
258 size_t count, loff_t *ppos)
260 struct btmrvl_private *priv = file->private_data;
261 char buf[16];
262 long result, ret;
264 memset(buf, 0, sizeof(buf));
266 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
267 return -EFAULT;
269 ret = strict_strtol(buf, 10, &result);
271 priv->btmrvl_dev.hsmode = result;
273 return count;
276 static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
277 size_t count, loff_t *ppos)
279 struct btmrvl_private *priv = file->private_data;
280 char buf[16];
281 int ret;
283 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
285 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
288 static const struct file_operations btmrvl_hsmode_fops = {
289 .read = btmrvl_hsmode_read,
290 .write = btmrvl_hsmode_write,
291 .open = btmrvl_open_generic,
294 static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
295 size_t count, loff_t *ppos)
297 struct btmrvl_private *priv = file->private_data;
298 char buf[16];
299 int ret;
301 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
303 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
306 static const struct file_operations btmrvl_curpsmode_fops = {
307 .read = btmrvl_curpsmode_read,
308 .open = btmrvl_open_generic,
311 static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
312 size_t count, loff_t *ppos)
314 struct btmrvl_private *priv = file->private_data;
315 char buf[16];
316 int ret;
318 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
320 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
323 static const struct file_operations btmrvl_psstate_fops = {
324 .read = btmrvl_psstate_read,
325 .open = btmrvl_open_generic,
328 static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
329 size_t count, loff_t *ppos)
331 struct btmrvl_private *priv = file->private_data;
332 char buf[16];
333 int ret;
335 ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
337 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
340 static const struct file_operations btmrvl_hsstate_fops = {
341 .read = btmrvl_hsstate_read,
342 .open = btmrvl_open_generic,
345 static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
346 size_t count, loff_t *ppos)
348 struct btmrvl_private *priv = file->private_data;
349 char buf[16];
350 int ret;
352 ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
353 priv->btmrvl_dev.tx_dnld_rdy);
355 return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
358 static const struct file_operations btmrvl_txdnldready_fops = {
359 .read = btmrvl_txdnldready_read,
360 .open = btmrvl_open_generic,
363 void btmrvl_debugfs_init(struct hci_dev *hdev)
365 struct btmrvl_private *priv = hdev->driver_data;
366 struct btmrvl_debugfs_data *dbg;
368 if (!hdev->debugfs)
369 return;
371 dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
372 priv->debugfs_data = dbg;
374 if (!dbg) {
375 BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
376 return;
379 dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
381 dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
382 hdev->driver_data, &btmrvl_psmode_fops);
383 dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
384 hdev->driver_data, &btmrvl_pscmd_fops);
385 dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
386 hdev->driver_data, &btmrvl_gpiogap_fops);
387 dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
388 hdev->driver_data, &btmrvl_hsmode_fops);
389 dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
390 hdev->driver_data, &btmrvl_hscmd_fops);
391 dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
392 hdev->driver_data, &btmrvl_hscfgcmd_fops);
394 dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
395 dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
396 dbg->status_dir,
397 hdev->driver_data,
398 &btmrvl_curpsmode_fops);
399 dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
400 hdev->driver_data, &btmrvl_psstate_fops);
401 dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
402 hdev->driver_data, &btmrvl_hsstate_fops);
403 dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
404 dbg->status_dir,
405 hdev->driver_data,
406 &btmrvl_txdnldready_fops);
409 void btmrvl_debugfs_remove(struct hci_dev *hdev)
411 struct btmrvl_private *priv = hdev->driver_data;
412 struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
414 if (!dbg)
415 return;
417 debugfs_remove(dbg->psmode);
418 debugfs_remove(dbg->pscmd);
419 debugfs_remove(dbg->gpiogap);
420 debugfs_remove(dbg->hsmode);
421 debugfs_remove(dbg->hscmd);
422 debugfs_remove(dbg->hscfgcmd);
423 debugfs_remove(dbg->config_dir);
425 debugfs_remove(dbg->curpsmode);
426 debugfs_remove(dbg->psstate);
427 debugfs_remove(dbg->hsstate);
428 debugfs_remove(dbg->txdnldready);
429 debugfs_remove(dbg->status_dir);
431 kfree(dbg);