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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 | /* config */ | |
fb784f05 BZ |
34 | struct dentry *psmode; |
35 | struct dentry *pscmd; | |
36 | struct dentry *hsmode; | |
37 | struct dentry *hscmd; | |
38 | struct dentry *gpiogap; | |
39 | struct dentry *hscfgcmd; | |
40 | ||
41 | /* status */ | |
42 | struct dentry *curpsmode; | |
43 | struct dentry *hsstate; | |
44 | struct dentry *psstate; | |
45 | struct dentry *txdnldready; | |
46 | }; | |
47 | ||
48 | static int btmrvl_open_generic(struct inode *inode, struct file *file) | |
49 | { | |
50 | file->private_data = inode->i_private; | |
51 | return 0; | |
52 | } | |
53 | ||
54 | static ssize_t btmrvl_hscfgcmd_write(struct file *file, | |
54239903 | 55 | const char __user *ubuf, size_t count, loff_t *ppos) |
fb784f05 | 56 | { |
54239903 | 57 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 58 | char buf[16]; |
54239903 | 59 | long result, ret; |
fb784f05 BZ |
60 | |
61 | memset(buf, 0, sizeof(buf)); | |
62 | ||
54239903 | 63 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
64 | return -EFAULT; |
65 | ||
66 | ret = strict_strtol(buf, 10, &result); | |
67 | ||
68 | priv->btmrvl_dev.hscfgcmd = result; | |
69 | ||
70 | if (priv->btmrvl_dev.hscfgcmd) { | |
71 | btmrvl_prepare_command(priv); | |
72 | wake_up_interruptible(&priv->main_thread.wait_q); | |
73 | } | |
74 | ||
75 | return count; | |
76 | } | |
77 | ||
54239903 MH |
78 | static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf, |
79 | size_t count, loff_t *ppos) | |
fb784f05 | 80 | { |
54239903 | 81 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 82 | char buf[16]; |
54239903 | 83 | int ret; |
fb784f05 BZ |
84 | |
85 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", | |
54239903 | 86 | priv->btmrvl_dev.hscfgcmd); |
fb784f05 BZ |
87 | |
88 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
89 | } | |
90 | ||
91 | static const struct file_operations btmrvl_hscfgcmd_fops = { | |
54239903 MH |
92 | .read = btmrvl_hscfgcmd_read, |
93 | .write = btmrvl_hscfgcmd_write, | |
94 | .open = btmrvl_open_generic, | |
6038f373 | 95 | .llseek = default_llseek, |
fb784f05 BZ |
96 | }; |
97 | ||
98 | static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf, | |
54239903 | 99 | size_t count, loff_t *ppos) |
fb784f05 | 100 | { |
54239903 | 101 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 102 | char buf[16]; |
54239903 | 103 | long result, ret; |
fb784f05 BZ |
104 | |
105 | memset(buf, 0, sizeof(buf)); | |
106 | ||
54239903 | 107 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
108 | return -EFAULT; |
109 | ||
110 | ret = strict_strtol(buf, 10, &result); | |
111 | ||
112 | priv->btmrvl_dev.psmode = result; | |
113 | ||
114 | return count; | |
115 | } | |
116 | ||
54239903 MH |
117 | static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf, |
118 | size_t count, loff_t *ppos) | |
fb784f05 | 119 | { |
54239903 | 120 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 121 | char buf[16]; |
54239903 | 122 | int ret; |
fb784f05 BZ |
123 | |
124 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", | |
54239903 | 125 | priv->btmrvl_dev.psmode); |
fb784f05 BZ |
126 | |
127 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
128 | } | |
129 | ||
130 | static const struct file_operations btmrvl_psmode_fops = { | |
54239903 MH |
131 | .read = btmrvl_psmode_read, |
132 | .write = btmrvl_psmode_write, | |
133 | .open = btmrvl_open_generic, | |
6038f373 | 134 | .llseek = default_llseek, |
fb784f05 BZ |
135 | }; |
136 | ||
137 | static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf, | |
54239903 | 138 | size_t count, loff_t *ppos) |
fb784f05 | 139 | { |
54239903 | 140 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 141 | char buf[16]; |
54239903 | 142 | long result, ret; |
fb784f05 BZ |
143 | |
144 | memset(buf, 0, sizeof(buf)); | |
145 | ||
54239903 | 146 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
147 | return -EFAULT; |
148 | ||
149 | ret = strict_strtol(buf, 10, &result); | |
150 | ||
151 | priv->btmrvl_dev.pscmd = result; | |
152 | ||
153 | if (priv->btmrvl_dev.pscmd) { | |
154 | btmrvl_prepare_command(priv); | |
155 | wake_up_interruptible(&priv->main_thread.wait_q); | |
156 | } | |
157 | ||
158 | return count; | |
159 | ||
160 | } | |
161 | ||
54239903 MH |
162 | static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf, |
163 | size_t count, loff_t *ppos) | |
fb784f05 | 164 | { |
54239903 | 165 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 166 | char buf[16]; |
54239903 | 167 | int ret; |
fb784f05 BZ |
168 | |
169 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd); | |
170 | ||
171 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
172 | } | |
173 | ||
174 | static const struct file_operations btmrvl_pscmd_fops = { | |
175 | .read = btmrvl_pscmd_read, | |
176 | .write = btmrvl_pscmd_write, | |
177 | .open = btmrvl_open_generic, | |
6038f373 | 178 | .llseek = default_llseek, |
fb784f05 BZ |
179 | }; |
180 | ||
181 | static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf, | |
54239903 | 182 | size_t count, loff_t *ppos) |
fb784f05 | 183 | { |
54239903 | 184 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 185 | char buf[16]; |
54239903 | 186 | long result, ret; |
fb784f05 BZ |
187 | |
188 | memset(buf, 0, sizeof(buf)); | |
189 | ||
54239903 | 190 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
191 | return -EFAULT; |
192 | ||
193 | ret = strict_strtol(buf, 16, &result); | |
194 | ||
195 | priv->btmrvl_dev.gpio_gap = result; | |
196 | ||
197 | return count; | |
198 | } | |
199 | ||
54239903 MH |
200 | static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf, |
201 | size_t count, loff_t *ppos) | |
fb784f05 | 202 | { |
54239903 | 203 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 204 | char buf[16]; |
54239903 | 205 | int ret; |
fb784f05 BZ |
206 | |
207 | ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n", | |
54239903 | 208 | priv->btmrvl_dev.gpio_gap); |
fb784f05 BZ |
209 | |
210 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
211 | } | |
212 | ||
213 | static const struct file_operations btmrvl_gpiogap_fops = { | |
54239903 MH |
214 | .read = btmrvl_gpiogap_read, |
215 | .write = btmrvl_gpiogap_write, | |
216 | .open = btmrvl_open_generic, | |
6038f373 | 217 | .llseek = default_llseek, |
fb784f05 BZ |
218 | }; |
219 | ||
220 | static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf, | |
54239903 | 221 | size_t count, loff_t *ppos) |
fb784f05 | 222 | { |
be60b940 | 223 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 224 | char buf[16]; |
54239903 | 225 | long result, ret; |
fb784f05 BZ |
226 | |
227 | memset(buf, 0, sizeof(buf)); | |
228 | ||
54239903 | 229 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
230 | return -EFAULT; |
231 | ||
232 | ret = strict_strtol(buf, 10, &result); | |
233 | ||
234 | priv->btmrvl_dev.hscmd = result; | |
235 | if (priv->btmrvl_dev.hscmd) { | |
236 | btmrvl_prepare_command(priv); | |
237 | wake_up_interruptible(&priv->main_thread.wait_q); | |
238 | } | |
239 | ||
240 | return count; | |
241 | } | |
242 | ||
54239903 MH |
243 | static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf, |
244 | size_t count, loff_t *ppos) | |
fb784f05 | 245 | { |
54239903 | 246 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 247 | char buf[16]; |
54239903 | 248 | int ret; |
fb784f05 BZ |
249 | |
250 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd); | |
251 | ||
252 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
253 | } | |
254 | ||
255 | static const struct file_operations btmrvl_hscmd_fops = { | |
54239903 MH |
256 | .read = btmrvl_hscmd_read, |
257 | .write = btmrvl_hscmd_write, | |
258 | .open = btmrvl_open_generic, | |
6038f373 | 259 | .llseek = default_llseek, |
fb784f05 BZ |
260 | }; |
261 | ||
262 | static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf, | |
54239903 | 263 | size_t count, loff_t *ppos) |
fb784f05 | 264 | { |
54239903 | 265 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 266 | char buf[16]; |
54239903 | 267 | long result, ret; |
fb784f05 BZ |
268 | |
269 | memset(buf, 0, sizeof(buf)); | |
270 | ||
54239903 | 271 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) |
fb784f05 BZ |
272 | return -EFAULT; |
273 | ||
274 | ret = strict_strtol(buf, 10, &result); | |
275 | ||
276 | priv->btmrvl_dev.hsmode = result; | |
277 | ||
278 | return count; | |
279 | } | |
280 | ||
281 | static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf, | |
54239903 | 282 | size_t count, loff_t *ppos) |
fb784f05 | 283 | { |
54239903 | 284 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 285 | char buf[16]; |
54239903 | 286 | int ret; |
fb784f05 | 287 | |
54239903 | 288 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode); |
fb784f05 BZ |
289 | |
290 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
291 | } | |
292 | ||
293 | static const struct file_operations btmrvl_hsmode_fops = { | |
54239903 MH |
294 | .read = btmrvl_hsmode_read, |
295 | .write = btmrvl_hsmode_write, | |
296 | .open = btmrvl_open_generic, | |
6038f373 | 297 | .llseek = default_llseek, |
fb784f05 BZ |
298 | }; |
299 | ||
54239903 MH |
300 | static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf, |
301 | size_t count, loff_t *ppos) | |
fb784f05 | 302 | { |
54239903 | 303 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 304 | char buf[16]; |
54239903 | 305 | int ret; |
fb784f05 BZ |
306 | |
307 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode); | |
308 | ||
309 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
310 | } | |
311 | ||
312 | static const struct file_operations btmrvl_curpsmode_fops = { | |
54239903 MH |
313 | .read = btmrvl_curpsmode_read, |
314 | .open = btmrvl_open_generic, | |
6038f373 | 315 | .llseek = default_llseek, |
fb784f05 BZ |
316 | }; |
317 | ||
318 | static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf, | |
54239903 | 319 | size_t count, loff_t *ppos) |
fb784f05 | 320 | { |
54239903 | 321 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 322 | char buf[16]; |
54239903 | 323 | int ret; |
fb784f05 | 324 | |
54239903 | 325 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state); |
fb784f05 BZ |
326 | |
327 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
328 | } | |
329 | ||
330 | static const struct file_operations btmrvl_psstate_fops = { | |
54239903 MH |
331 | .read = btmrvl_psstate_read, |
332 | .open = btmrvl_open_generic, | |
6038f373 | 333 | .llseek = default_llseek, |
fb784f05 BZ |
334 | }; |
335 | ||
54239903 MH |
336 | static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf, |
337 | size_t count, loff_t *ppos) | |
fb784f05 | 338 | { |
54239903 | 339 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 340 | char buf[16]; |
54239903 | 341 | int ret; |
fb784f05 | 342 | |
54239903 | 343 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state); |
fb784f05 BZ |
344 | |
345 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
346 | } | |
347 | ||
348 | static const struct file_operations btmrvl_hsstate_fops = { | |
54239903 MH |
349 | .read = btmrvl_hsstate_read, |
350 | .open = btmrvl_open_generic, | |
6038f373 | 351 | .llseek = default_llseek, |
fb784f05 BZ |
352 | }; |
353 | ||
54239903 MH |
354 | static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf, |
355 | size_t count, loff_t *ppos) | |
fb784f05 | 356 | { |
54239903 | 357 | struct btmrvl_private *priv = file->private_data; |
fb784f05 | 358 | char buf[16]; |
54239903 | 359 | int ret; |
fb784f05 BZ |
360 | |
361 | ret = snprintf(buf, sizeof(buf) - 1, "%d\n", | |
54239903 | 362 | priv->btmrvl_dev.tx_dnld_rdy); |
fb784f05 BZ |
363 | |
364 | return simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
365 | } | |
366 | ||
367 | static const struct file_operations btmrvl_txdnldready_fops = { | |
54239903 MH |
368 | .read = btmrvl_txdnldready_read, |
369 | .open = btmrvl_open_generic, | |
6038f373 | 370 | .llseek = default_llseek, |
fb784f05 BZ |
371 | }; |
372 | ||
373 | void btmrvl_debugfs_init(struct hci_dev *hdev) | |
374 | { | |
54239903 | 375 | struct btmrvl_private *priv = hdev->driver_data; |
fb784f05 BZ |
376 | struct btmrvl_debugfs_data *dbg; |
377 | ||
b914a250 MH |
378 | if (!hdev->debugfs) |
379 | return; | |
380 | ||
fb784f05 BZ |
381 | dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); |
382 | priv->debugfs_data = dbg; | |
383 | ||
384 | if (!dbg) { | |
385 | BT_ERR("Can not allocate memory for btmrvl_debugfs_data."); | |
386 | return; | |
387 | } | |
388 | ||
b914a250 | 389 | dbg->config_dir = debugfs_create_dir("config", hdev->debugfs); |
fb784f05 BZ |
390 | |
391 | dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir, | |
54239903 MH |
392 | hdev->driver_data, &btmrvl_psmode_fops); |
393 | dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir, | |
fb784f05 | 394 | hdev->driver_data, &btmrvl_pscmd_fops); |
54239903 | 395 | dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir, |
fb784f05 | 396 | hdev->driver_data, &btmrvl_gpiogap_fops); |
54239903 | 397 | dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir, |
fb784f05 | 398 | hdev->driver_data, &btmrvl_hsmode_fops); |
54239903 | 399 | dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir, |
fb784f05 | 400 | hdev->driver_data, &btmrvl_hscmd_fops); |
54239903 | 401 | dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir, |
fb784f05 BZ |
402 | hdev->driver_data, &btmrvl_hscfgcmd_fops); |
403 | ||
b914a250 | 404 | dbg->status_dir = debugfs_create_dir("status", hdev->debugfs); |
fb784f05 BZ |
405 | dbg->curpsmode = debugfs_create_file("curpsmode", 0444, |
406 | dbg->status_dir, | |
407 | hdev->driver_data, | |
408 | &btmrvl_curpsmode_fops); | |
54239903 | 409 | dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir, |
fb784f05 | 410 | hdev->driver_data, &btmrvl_psstate_fops); |
54239903 | 411 | dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir, |
fb784f05 | 412 | hdev->driver_data, &btmrvl_hsstate_fops); |
54239903 MH |
413 | dbg->txdnldready = debugfs_create_file("txdnldready", 0444, |
414 | dbg->status_dir, | |
415 | hdev->driver_data, | |
416 | &btmrvl_txdnldready_fops); | |
fb784f05 BZ |
417 | } |
418 | ||
419 | void btmrvl_debugfs_remove(struct hci_dev *hdev) | |
420 | { | |
54239903 | 421 | struct btmrvl_private *priv = hdev->driver_data; |
fb784f05 BZ |
422 | struct btmrvl_debugfs_data *dbg = priv->debugfs_data; |
423 | ||
424 | if (!dbg) | |
425 | return; | |
426 | ||
427 | debugfs_remove(dbg->psmode); | |
428 | debugfs_remove(dbg->pscmd); | |
429 | debugfs_remove(dbg->gpiogap); | |
430 | debugfs_remove(dbg->hsmode); | |
431 | debugfs_remove(dbg->hscmd); | |
432 | debugfs_remove(dbg->hscfgcmd); | |
433 | debugfs_remove(dbg->config_dir); | |
434 | ||
435 | debugfs_remove(dbg->curpsmode); | |
436 | debugfs_remove(dbg->psstate); | |
437 | debugfs_remove(dbg->hsstate); | |
438 | debugfs_remove(dbg->txdnldready); | |
439 | debugfs_remove(dbg->status_dir); | |
440 | ||
fb784f05 BZ |
441 | kfree(dbg); |
442 | } |