1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "wifi.h"
5 #include "cam.h"
6
7 #include <linux/moduleparam.h>
8 #include <linux/vmalloc.h>
9
10 #ifdef CONFIG_RTLWIFI_DEBUG
_rtl_dbg_print(struct rtl_priv * rtlpriv,u64 comp,int level,const char * fmt,...)11 void _rtl_dbg_print(struct rtl_priv *rtlpriv, u64 comp, int level,
12 const char *fmt, ...)
13 {
14 if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) &&
15 level <= rtlpriv->cfg->mod_params->debug_level)) {
16 struct va_format vaf;
17 va_list args;
18
19 va_start(args, fmt);
20
21 vaf.fmt = fmt;
22 vaf.va = &args;
23
24 pr_info("%pV", &vaf);
25
26 va_end(args);
27 }
28 }
29 EXPORT_SYMBOL_GPL(_rtl_dbg_print);
30
_rtl_dbg_print_data(struct rtl_priv * rtlpriv,u64 comp,int level,const char * titlestring,const void * hexdata,int hexdatalen)31 void _rtl_dbg_print_data(struct rtl_priv *rtlpriv, u64 comp, int level,
32 const char *titlestring,
33 const void *hexdata, int hexdatalen)
34 {
35 if (unlikely(((comp) & rtlpriv->cfg->mod_params->debug_mask) &&
36 ((level) <= rtlpriv->cfg->mod_params->debug_level))) {
37 pr_info("In process \"%s\" (pid %i): %s\n",
38 current->comm, current->pid, titlestring);
39 print_hex_dump_bytes("", DUMP_PREFIX_NONE,
40 hexdata, hexdatalen);
41 }
42 }
43 EXPORT_SYMBOL_GPL(_rtl_dbg_print_data);
44
45 struct rtl_debugfs_priv {
46 struct rtl_priv *rtlpriv;
47 int (*cb_read)(struct seq_file *m, void *v);
48 ssize_t (*cb_write)(struct file *filp, const char __user *buffer,
49 size_t count, loff_t *loff);
50 u32 cb_data;
51 };
52
53 static struct dentry *debugfs_topdir;
54
rtl_debug_get_common(struct seq_file * m,void * v)55 static int rtl_debug_get_common(struct seq_file *m, void *v)
56 {
57 struct rtl_debugfs_priv *debugfs_priv = m->private;
58
59 return debugfs_priv->cb_read(m, v);
60 }
61
dl_debug_open_common(struct inode * inode,struct file * file)62 static int dl_debug_open_common(struct inode *inode, struct file *file)
63 {
64 return single_open(file, rtl_debug_get_common, inode->i_private);
65 }
66
67 static const struct file_operations file_ops_common = {
68 .open = dl_debug_open_common,
69 .read = seq_read,
70 .llseek = seq_lseek,
71 .release = single_release,
72 };
73
rtl_debug_get_mac_page(struct seq_file * m,void * v)74 static int rtl_debug_get_mac_page(struct seq_file *m, void *v)
75 {
76 struct rtl_debugfs_priv *debugfs_priv = m->private;
77 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
78 u32 page = debugfs_priv->cb_data;
79 int i, n;
80 int max = 0xff;
81
82 for (n = 0; n <= max; ) {
83 seq_printf(m, "\n%8.8x ", n + page);
84 for (i = 0; i < 4 && n <= max; i++, n += 4)
85 seq_printf(m, "%8.8x ",
86 rtl_read_dword(rtlpriv, (page | n)));
87 }
88 seq_puts(m, "\n");
89 return 0;
90 }
91
92 #define RTL_DEBUG_IMPL_MAC_SERIES(page, addr) \
93 static struct rtl_debugfs_priv rtl_debug_priv_mac_ ##page = { \
94 .cb_read = rtl_debug_get_mac_page, \
95 .cb_data = addr, \
96 }
97
98 RTL_DEBUG_IMPL_MAC_SERIES(0, 0x0000);
99 RTL_DEBUG_IMPL_MAC_SERIES(1, 0x0100);
100 RTL_DEBUG_IMPL_MAC_SERIES(2, 0x0200);
101 RTL_DEBUG_IMPL_MAC_SERIES(3, 0x0300);
102 RTL_DEBUG_IMPL_MAC_SERIES(4, 0x0400);
103 RTL_DEBUG_IMPL_MAC_SERIES(5, 0x0500);
104 RTL_DEBUG_IMPL_MAC_SERIES(6, 0x0600);
105 RTL_DEBUG_IMPL_MAC_SERIES(7, 0x0700);
106 RTL_DEBUG_IMPL_MAC_SERIES(10, 0x1000);
107 RTL_DEBUG_IMPL_MAC_SERIES(11, 0x1100);
108 RTL_DEBUG_IMPL_MAC_SERIES(12, 0x1200);
109 RTL_DEBUG_IMPL_MAC_SERIES(13, 0x1300);
110 RTL_DEBUG_IMPL_MAC_SERIES(14, 0x1400);
111 RTL_DEBUG_IMPL_MAC_SERIES(15, 0x1500);
112 RTL_DEBUG_IMPL_MAC_SERIES(16, 0x1600);
113 RTL_DEBUG_IMPL_MAC_SERIES(17, 0x1700);
114
rtl_debug_get_bb_page(struct seq_file * m,void * v)115 static int rtl_debug_get_bb_page(struct seq_file *m, void *v)
116 {
117 struct rtl_debugfs_priv *debugfs_priv = m->private;
118 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
119 struct ieee80211_hw *hw = rtlpriv->hw;
120 u32 page = debugfs_priv->cb_data;
121 int i, n;
122 int max = 0xff;
123
124 for (n = 0; n <= max; ) {
125 seq_printf(m, "\n%8.8x ", n + page);
126 for (i = 0; i < 4 && n <= max; i++, n += 4)
127 seq_printf(m, "%8.8x ",
128 rtl_get_bbreg(hw, (page | n), 0xffffffff));
129 }
130 seq_puts(m, "\n");
131 return 0;
132 }
133
134 #define RTL_DEBUG_IMPL_BB_SERIES(page, addr) \
135 static struct rtl_debugfs_priv rtl_debug_priv_bb_ ##page = { \
136 .cb_read = rtl_debug_get_bb_page, \
137 .cb_data = addr, \
138 }
139
140 RTL_DEBUG_IMPL_BB_SERIES(8, 0x0800);
141 RTL_DEBUG_IMPL_BB_SERIES(9, 0x0900);
142 RTL_DEBUG_IMPL_BB_SERIES(a, 0x0a00);
143 RTL_DEBUG_IMPL_BB_SERIES(b, 0x0b00);
144 RTL_DEBUG_IMPL_BB_SERIES(c, 0x0c00);
145 RTL_DEBUG_IMPL_BB_SERIES(d, 0x0d00);
146 RTL_DEBUG_IMPL_BB_SERIES(e, 0x0e00);
147 RTL_DEBUG_IMPL_BB_SERIES(f, 0x0f00);
148 RTL_DEBUG_IMPL_BB_SERIES(18, 0x1800);
149 RTL_DEBUG_IMPL_BB_SERIES(19, 0x1900);
150 RTL_DEBUG_IMPL_BB_SERIES(1a, 0x1a00);
151 RTL_DEBUG_IMPL_BB_SERIES(1b, 0x1b00);
152 RTL_DEBUG_IMPL_BB_SERIES(1c, 0x1c00);
153 RTL_DEBUG_IMPL_BB_SERIES(1d, 0x1d00);
154 RTL_DEBUG_IMPL_BB_SERIES(1e, 0x1e00);
155 RTL_DEBUG_IMPL_BB_SERIES(1f, 0x1f00);
156
rtl_debug_get_reg_rf(struct seq_file * m,void * v)157 static int rtl_debug_get_reg_rf(struct seq_file *m, void *v)
158 {
159 struct rtl_debugfs_priv *debugfs_priv = m->private;
160 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
161 struct ieee80211_hw *hw = rtlpriv->hw;
162 enum radio_path rfpath = debugfs_priv->cb_data;
163 int i, n;
164 int max = 0x40;
165
166 if (IS_HARDWARE_TYPE_8822B(rtlpriv))
167 max = 0xff;
168
169 seq_printf(m, "\nPATH(%d)", rfpath);
170
171 for (n = 0; n <= max; ) {
172 seq_printf(m, "\n%8.8x ", n);
173 for (i = 0; i < 4 && n <= max; n += 1, i++)
174 seq_printf(m, "%8.8x ",
175 rtl_get_rfreg(hw, rfpath, n, 0xffffffff));
176 }
177 seq_puts(m, "\n");
178 return 0;
179 }
180
181 #define RTL_DEBUG_IMPL_RF_SERIES(page, addr) \
182 static struct rtl_debugfs_priv rtl_debug_priv_rf_ ##page = { \
183 .cb_read = rtl_debug_get_reg_rf, \
184 .cb_data = addr, \
185 }
186
187 RTL_DEBUG_IMPL_RF_SERIES(a, RF90_PATH_A);
188 RTL_DEBUG_IMPL_RF_SERIES(b, RF90_PATH_B);
189
rtl_debug_get_cam_register(struct seq_file * m,void * v)190 static int rtl_debug_get_cam_register(struct seq_file *m, void *v)
191 {
192 struct rtl_debugfs_priv *debugfs_priv = m->private;
193 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
194 int start = debugfs_priv->cb_data;
195 u32 target_cmd = 0;
196 u32 target_val = 0;
197 u8 entry_i = 0;
198 u32 ulstatus;
199 int i = 100, j = 0;
200 int end = (start + 11 > TOTAL_CAM_ENTRY ? TOTAL_CAM_ENTRY : start + 11);
201
202 /* This dump the current register page */
203 seq_printf(m,
204 "\n#################### SECURITY CAM (%d-%d) ##################\n",
205 start, end - 1);
206
207 for (j = start; j < end; j++) {
208 seq_printf(m, "\nD: %2x > ", j);
209 for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) {
210 /* polling bit, and No Write enable, and address */
211 target_cmd = entry_i + CAM_CONTENT_COUNT * j;
212 target_cmd = target_cmd | BIT(31);
213
214 /* Check polling bit is clear */
215 while ((i--) >= 0) {
216 ulstatus =
217 rtl_read_dword(rtlpriv,
218 rtlpriv->cfg->maps[RWCAM]);
219 if (ulstatus & BIT(31))
220 continue;
221 else
222 break;
223 }
224
225 rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM],
226 target_cmd);
227 target_val = rtl_read_dword(rtlpriv,
228 rtlpriv->cfg->maps[RCAMO]);
229 seq_printf(m, "%8.8x ", target_val);
230 }
231 }
232 seq_puts(m, "\n");
233 return 0;
234 }
235
236 #define RTL_DEBUG_IMPL_CAM_SERIES(page, addr) \
237 static struct rtl_debugfs_priv rtl_debug_priv_cam_ ##page = { \
238 .cb_read = rtl_debug_get_cam_register, \
239 .cb_data = addr, \
240 }
241
242 RTL_DEBUG_IMPL_CAM_SERIES(1, 0);
243 RTL_DEBUG_IMPL_CAM_SERIES(2, 11);
244 RTL_DEBUG_IMPL_CAM_SERIES(3, 22);
245
rtl_debug_get_btcoex(struct seq_file * m,void * v)246 static int rtl_debug_get_btcoex(struct seq_file *m, void *v)
247 {
248 struct rtl_debugfs_priv *debugfs_priv = m->private;
249 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
250
251 if (rtlpriv->cfg->ops->get_btc_status())
252 rtlpriv->btcoexist.btc_ops->btc_display_bt_coex_info(rtlpriv,
253 m);
254
255 seq_puts(m, "\n");
256
257 return 0;
258 }
259
260 static struct rtl_debugfs_priv rtl_debug_priv_btcoex = {
261 .cb_read = rtl_debug_get_btcoex,
262 .cb_data = 0,
263 };
264
rtl_debugfs_set_write_reg(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)265 static ssize_t rtl_debugfs_set_write_reg(struct file *filp,
266 const char __user *buffer,
267 size_t count, loff_t *loff)
268 {
269 struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
270 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
271 char tmp[32 + 1];
272 int tmp_len;
273 u32 addr, val, len;
274 int num;
275
276 if (count < 3)
277 return -EFAULT;
278
279 tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
280
281 if (copy_from_user(tmp, buffer, tmp_len))
282 return -EFAULT;
283
284 tmp[tmp_len] = '\0';
285
286 /* write BB/MAC register */
287 num = sscanf(tmp, "%x %x %x", &addr, &val, &len);
288
289 if (num != 3)
290 return -EINVAL;
291
292 switch (len) {
293 case 1:
294 rtl_write_byte(rtlpriv, addr, (u8)val);
295 break;
296 case 2:
297 rtl_write_word(rtlpriv, addr, (u16)val);
298 break;
299 case 4:
300 rtl_write_dword(rtlpriv, addr, val);
301 break;
302 default:
303 /*printk("error write length=%d", len);*/
304 break;
305 }
306
307 return count;
308 }
309
310 static struct rtl_debugfs_priv rtl_debug_priv_write_reg = {
311 .cb_write = rtl_debugfs_set_write_reg,
312 };
313
rtl_debugfs_set_write_h2c(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)314 static ssize_t rtl_debugfs_set_write_h2c(struct file *filp,
315 const char __user *buffer,
316 size_t count, loff_t *loff)
317 {
318 struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
319 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
320 struct ieee80211_hw *hw = rtlpriv->hw;
321 char tmp[32 + 1];
322 int tmp_len;
323 u8 h2c_len, h2c_data_packed[8];
324 int h2c_data[8]; /* idx 0: cmd */
325 int i;
326
327 if (count < 3)
328 return -EFAULT;
329
330 tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
331
332 if (copy_from_user(tmp, buffer, tmp_len))
333 return -EFAULT;
334
335 tmp[tmp_len] = '\0';
336
337 h2c_len = sscanf(tmp, "%X %X %X %X %X %X %X %X",
338 &h2c_data[0], &h2c_data[1],
339 &h2c_data[2], &h2c_data[3],
340 &h2c_data[4], &h2c_data[5],
341 &h2c_data[6], &h2c_data[7]);
342
343 if (h2c_len == 0)
344 return -EINVAL;
345
346 for (i = 0; i < h2c_len; i++)
347 h2c_data_packed[i] = (u8)h2c_data[i];
348
349 rtlpriv->cfg->ops->fill_h2c_cmd(hw, h2c_data_packed[0],
350 h2c_len - 1,
351 &h2c_data_packed[1]);
352
353 return count;
354 }
355
356 static struct rtl_debugfs_priv rtl_debug_priv_write_h2c = {
357 .cb_write = rtl_debugfs_set_write_h2c,
358 };
359
rtl_debugfs_set_write_rfreg(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)360 static ssize_t rtl_debugfs_set_write_rfreg(struct file *filp,
361 const char __user *buffer,
362 size_t count, loff_t *loff)
363 {
364 struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
365 struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
366 struct ieee80211_hw *hw = rtlpriv->hw;
367 char tmp[32 + 1];
368 int tmp_len;
369 int num;
370 int path;
371 u32 addr, bitmask, data;
372
373 if (count < 3)
374 return -EFAULT;
375
376 tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
377
378 if (copy_from_user(tmp, buffer, tmp_len))
379 return -EFAULT;
380
381 tmp[tmp_len] = '\0';
382
383 num = sscanf(tmp, "%X %X %X %X",
384 &path, &addr, &bitmask, &data);
385
386 if (num != 4) {
387 rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
388 "Format is <path> <addr> <mask> <data>\n");
389 return -EINVAL;
390 }
391
392 rtl_set_rfreg(hw, path, addr, bitmask, data);
393
394 return count;
395 }
396
397 static struct rtl_debugfs_priv rtl_debug_priv_write_rfreg = {
398 .cb_write = rtl_debugfs_set_write_rfreg,
399 };
400
rtl_debugfs_close(struct inode * inode,struct file * filp)401 static int rtl_debugfs_close(struct inode *inode, struct file *filp)
402 {
403 return 0;
404 }
405
rtl_debugfs_common_write(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)406 static ssize_t rtl_debugfs_common_write(struct file *filp,
407 const char __user *buffer,
408 size_t count, loff_t *loff)
409 {
410 struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
411
412 return debugfs_priv->cb_write(filp, buffer, count, loff);
413 }
414
415 static const struct file_operations file_ops_common_write = {
416 .owner = THIS_MODULE,
417 .write = rtl_debugfs_common_write,
418 .open = simple_open,
419 .release = rtl_debugfs_close,
420 };
421
422 #define RTL_DEBUGFS_ADD_CORE(name, mode, fopname) \
423 do { \
424 rtl_debug_priv_ ##name.rtlpriv = rtlpriv; \
425 debugfs_create_file(#name, mode, parent, \
426 &rtl_debug_priv_ ##name, \
427 &file_ops_ ##fopname); \
428 } while (0)
429
430 #define RTL_DEBUGFS_ADD(name) \
431 RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0444, common)
432 #define RTL_DEBUGFS_ADD_W(name) \
433 RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0222, common_write)
434
rtl_debug_add_one(struct ieee80211_hw * hw)435 void rtl_debug_add_one(struct ieee80211_hw *hw)
436 {
437 struct rtl_priv *rtlpriv = rtl_priv(hw);
438 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
439 struct dentry *parent;
440
441 snprintf(rtlpriv->dbg.debugfs_name, 18, "%pMF", rtlefuse->dev_addr);
442
443 rtlpriv->dbg.debugfs_dir =
444 debugfs_create_dir(rtlpriv->dbg.debugfs_name, debugfs_topdir);
445
446 parent = rtlpriv->dbg.debugfs_dir;
447
448 RTL_DEBUGFS_ADD(mac_0);
449 RTL_DEBUGFS_ADD(mac_1);
450 RTL_DEBUGFS_ADD(mac_2);
451 RTL_DEBUGFS_ADD(mac_3);
452 RTL_DEBUGFS_ADD(mac_4);
453 RTL_DEBUGFS_ADD(mac_5);
454 RTL_DEBUGFS_ADD(mac_6);
455 RTL_DEBUGFS_ADD(mac_7);
456 RTL_DEBUGFS_ADD(bb_8);
457 RTL_DEBUGFS_ADD(bb_9);
458 RTL_DEBUGFS_ADD(bb_a);
459 RTL_DEBUGFS_ADD(bb_b);
460 RTL_DEBUGFS_ADD(bb_c);
461 RTL_DEBUGFS_ADD(bb_d);
462 RTL_DEBUGFS_ADD(bb_e);
463 RTL_DEBUGFS_ADD(bb_f);
464 RTL_DEBUGFS_ADD(mac_10);
465 RTL_DEBUGFS_ADD(mac_11);
466 RTL_DEBUGFS_ADD(mac_12);
467 RTL_DEBUGFS_ADD(mac_13);
468 RTL_DEBUGFS_ADD(mac_14);
469 RTL_DEBUGFS_ADD(mac_15);
470 RTL_DEBUGFS_ADD(mac_16);
471 RTL_DEBUGFS_ADD(mac_17);
472 RTL_DEBUGFS_ADD(bb_18);
473 RTL_DEBUGFS_ADD(bb_19);
474 RTL_DEBUGFS_ADD(bb_1a);
475 RTL_DEBUGFS_ADD(bb_1b);
476 RTL_DEBUGFS_ADD(bb_1c);
477 RTL_DEBUGFS_ADD(bb_1d);
478 RTL_DEBUGFS_ADD(bb_1e);
479 RTL_DEBUGFS_ADD(bb_1f);
480 RTL_DEBUGFS_ADD(rf_a);
481 RTL_DEBUGFS_ADD(rf_b);
482
483 RTL_DEBUGFS_ADD(cam_1);
484 RTL_DEBUGFS_ADD(cam_2);
485 RTL_DEBUGFS_ADD(cam_3);
486
487 RTL_DEBUGFS_ADD(btcoex);
488
489 RTL_DEBUGFS_ADD_W(write_reg);
490 RTL_DEBUGFS_ADD_W(write_h2c);
491 RTL_DEBUGFS_ADD_W(write_rfreg);
492 }
493 EXPORT_SYMBOL_GPL(rtl_debug_add_one);
494
rtl_debug_remove_one(struct ieee80211_hw * hw)495 void rtl_debug_remove_one(struct ieee80211_hw *hw)
496 {
497 struct rtl_priv *rtlpriv = rtl_priv(hw);
498
499 debugfs_remove_recursive(rtlpriv->dbg.debugfs_dir);
500 rtlpriv->dbg.debugfs_dir = NULL;
501 }
502 EXPORT_SYMBOL_GPL(rtl_debug_remove_one);
503
rtl_debugfs_add_topdir(void)504 void rtl_debugfs_add_topdir(void)
505 {
506 debugfs_topdir = debugfs_create_dir("rtlwifi", NULL);
507 }
508
rtl_debugfs_remove_topdir(void)509 void rtl_debugfs_remove_topdir(void)
510 {
511 debugfs_remove_recursive(debugfs_topdir);
512 }
513
514 #endif
515