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proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / net / wireless / rtlwifi / efuse.c
blobb8433f3a9bc27812ca7221e4a97b9cbc1acf158c
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 Realtek Corporation.
4 *
5 * Tmis program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * Tmis program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * tmis program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * Tme full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include "wifi.h"
31 #include "efuse.h"
32
33 static const u8 MAX_PGPKT_SIZE = 9;
34 static const u8 PGPKT_DATA_SIZE = 8;
35 static const int EFUSE_MAX_SIZE = 512;
36
37 static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
38
39 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
40 {0, 0, 0, 2},
41 {0, 1, 0, 2},
42 {0, 2, 0, 2},
43 {1, 0, 0, 1},
44 {1, 0, 1, 1},
45 {1, 1, 0, 1},
46 {1, 1, 1, 3},
47 {1, 3, 0, 17},
48 {3, 3, 1, 48},
49 {10, 0, 0, 6},
50 {10, 3, 0, 1},
51 {10, 3, 1, 1},
52 {11, 0, 0, 28}
53 };
54
55 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset,
56 u8 *pbuf);
57 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
58 u8 *value);
59 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
60 u16 *value);
61 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
62 u32 *value);
63 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
64 u8 value);
65 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
66 u16 value);
67 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
68 u32 value);
69 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
70 u8 *data);
71 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
72 u8 data);
73 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
74 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
75 u8 *data);
76 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
77 u8 word_en, u8 *data);
78 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
79 u8 *targetdata);
80 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
81 u16 efuse_addr, u8 word_en, u8 *data);
82 static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite,
83 u8 pwrstate);
84 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
85 static u8 efuse_calculate_word_cnts(u8 word_en);
86
87 void efuse_initialize(struct ieee80211_hw *hw)
88 {
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
90 u8 bytetemp;
91 u8 temp;
92
93 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
94 temp = bytetemp | 0x20;
95 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
96
97 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
98 temp = bytetemp & 0xFE;
99 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
100
101 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
102 temp = bytetemp | 0x80;
103 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
104
105 rtl_write_byte(rtlpriv, 0x2F8, 0x3);
106
107 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
108
109 }
110
111 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
112 {
113 struct rtl_priv *rtlpriv = rtl_priv(hw);
114 u8 data;
115 u8 bytetemp;
116 u8 temp;
117 u32 k = 0;
118
119 if (address < EFUSE_REAL_CONTENT_LEN) {
120 temp = address & 0xFF;
121 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
122 temp);
123 bytetemp = rtl_read_byte(rtlpriv,
124 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
125 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
126 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
127 temp);
128
129 bytetemp = rtl_read_byte(rtlpriv,
130 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
131 temp = bytetemp & 0x7F;
132 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
133 temp);
134
135 bytetemp = rtl_read_byte(rtlpriv,
136 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
137 while (!(bytetemp & 0x80)) {
138 bytetemp = rtl_read_byte(rtlpriv,
139 rtlpriv->cfg->
140 maps[EFUSE_CTRL] + 3);
141 k++;
142 if (k == 1000) {
143 k = 0;
144 break;
145 }
146 }
147 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
148 return data;
149 } else
150 return 0xFF;
151
152 }
153 EXPORT_SYMBOL(efuse_read_1byte);
154
155 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
156 {
157 struct rtl_priv *rtlpriv = rtl_priv(hw);
158 u8 bytetemp;
159 u8 temp;
160 u32 k = 0;
161
162 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
163 ("Addr=%x Data =%x\n", address, value));
164
165 if (address < EFUSE_REAL_CONTENT_LEN) {
166 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
167
168 temp = address & 0xFF;
169 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
170 temp);
171 bytetemp = rtl_read_byte(rtlpriv,
172 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
173
174 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
175 rtl_write_byte(rtlpriv,
176 rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
177
178 bytetemp = rtl_read_byte(rtlpriv,
179 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
180 temp = bytetemp | 0x80;
181 rtl_write_byte(rtlpriv,
182 rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
183
184 bytetemp = rtl_read_byte(rtlpriv,
185 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
186
187 while (bytetemp & 0x80) {
188 bytetemp = rtl_read_byte(rtlpriv,
189 rtlpriv->cfg->
190 maps[EFUSE_CTRL] + 3);
191 k++;
192 if (k == 100) {
193 k = 0;
194 break;
195 }
196 }
197 }
198
199 }
200
201 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
202 {
203 struct rtl_priv *rtlpriv = rtl_priv(hw);
204 u32 value32;
205 u8 readbyte;
206 u16 retry;
207
208 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
209 (_offset & 0xff));
210 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
211 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
212 ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
213
214 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
215 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
216 (readbyte & 0x7f));
217
218 retry = 0;
219 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
220 while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
221 value32 = rtl_read_dword(rtlpriv,
222 rtlpriv->cfg->maps[EFUSE_CTRL]);
223 retry++;
224 }
225
226 udelay(50);
227 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
228
229 *pbuf = (u8) (value32 & 0xff);
230 }
231
232 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
233 {
234 struct rtl_priv *rtlpriv = rtl_priv(hw);
235 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
236 u8 efuse_tbl[EFUSE_MAP_LEN];
237 u8 rtemp8[1];
238 u16 efuse_addr = 0;
239 u8 offset, wren;
240 u16 i;
241 u16 j;
242 u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT];
243 u16 efuse_utilized = 0;
244 u8 efuse_usage;
245
246 if ((_offset + _size_byte) > EFUSE_MAP_LEN) {
247 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
248 ("read_efuse(): Invalid offset(%#x) with read "
249 "bytes(%#x)!!\n", _offset, _size_byte));
250 return;
251 }
252
253 for (i = 0; i < EFUSE_MAX_SECTION; i++)
254 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
255 efuse_word[i][j] = 0xFFFF;
256
257 read_efuse_byte(hw, efuse_addr, rtemp8);
258 if (*rtemp8 != 0xFF) {
259 efuse_utilized++;
260 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
261 ("Addr=%d\n", efuse_addr));
262 efuse_addr++;
263 }
264
265 while ((*rtemp8 != 0xFF) && (efuse_addr < EFUSE_REAL_CONTENT_LEN)) {
266 offset = ((*rtemp8 >> 4) & 0x0f);
267
268 if (offset < EFUSE_MAX_SECTION) {
269 wren = (*rtemp8 & 0x0f);
270 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
271 ("offset-%d Worden=%x\n", offset, wren));
272
273 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
274 if (!(wren & 0x01)) {
275 RTPRINT(rtlpriv, FEEPROM,
276 EFUSE_READ_ALL, ("Addr=%d\n",
277 efuse_addr));
278
279 read_efuse_byte(hw, efuse_addr, rtemp8);
280 efuse_addr++;
281 efuse_utilized++;
282 efuse_word[offset][i] = (*rtemp8 & 0xff);
283
284 if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
285 break;
286
287 RTPRINT(rtlpriv, FEEPROM,
288 EFUSE_READ_ALL, ("Addr=%d\n",
289 efuse_addr));
290
291 read_efuse_byte(hw, efuse_addr, rtemp8);
292 efuse_addr++;
293 efuse_utilized++;
294 efuse_word[offset][i] |=
295 (((u16)*rtemp8 << 8) & 0xff00);
296
297 if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
298 break;
299 }
300
301 wren >>= 1;
302 }
303 }
304
305 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
306 ("Addr=%d\n", efuse_addr));
307 read_efuse_byte(hw, efuse_addr, rtemp8);
308 if (*rtemp8 != 0xFF && (efuse_addr < 512)) {
309 efuse_utilized++;
310 efuse_addr++;
311 }
312 }
313
314 for (i = 0; i < EFUSE_MAX_SECTION; i++) {
315 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
316 efuse_tbl[(i * 8) + (j * 2)] =
317 (efuse_word[i][j] & 0xff);
318 efuse_tbl[(i * 8) + ((j * 2) + 1)] =
319 ((efuse_word[i][j] >> 8) & 0xff);
320 }
321 }
322
323 for (i = 0; i < _size_byte; i++)
324 pbuf[i] = efuse_tbl[_offset + i];
325
326 rtlefuse->efuse_usedbytes = efuse_utilized;
327 efuse_usage = (u8)((efuse_utilized * 100) / EFUSE_REAL_CONTENT_LEN);
328 rtlefuse->efuse_usedpercentage = efuse_usage;
329 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
330 (u8 *)&efuse_utilized);
331 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
332 (u8 *)&efuse_usage);
333 }
334
335 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
336 {
337 struct rtl_priv *rtlpriv = rtl_priv(hw);
338 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
339 u8 section_idx, i, Base;
340 u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
341 bool bwordchanged, bresult = true;
342
343 for (section_idx = 0; section_idx < 16; section_idx++) {
344 Base = section_idx * 8;
345 bwordchanged = false;
346
347 for (i = 0; i < 8; i = i + 2) {
348 if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
349 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
350 (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
351 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
352 1])) {
353 words_need++;
354 bwordchanged = true;
355 }
356 }
357
358 if (bwordchanged == true)
359 hdr_num++;
360 }
361
362 totalbytes = hdr_num + words_need * 2;
363 efuse_used = rtlefuse->efuse_usedbytes;
364
365 if ((totalbytes + efuse_used) >=
366 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
367 bresult = false;
368
369 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
370 ("efuse_shadow_update_chk(): totalbytes(%#x), "
371 "hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
372 totalbytes, hdr_num, words_need, efuse_used));
373
374 return bresult;
375 }
376
377 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
378 u16 offset, u32 *value)
379 {
380 if (type == 1)
381 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
382 else if (type == 2)
383 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
384 else if (type == 4)
385 efuse_shadow_read_4byte(hw, offset, (u32 *) value);
386
387 }
388
389 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
390 u32 value)
391 {
392 if (type == 1)
393 efuse_shadow_write_1byte(hw, offset, (u8) value);
394 else if (type == 2)
395 efuse_shadow_write_2byte(hw, offset, (u16) value);
396 else if (type == 4)
397 efuse_shadow_write_4byte(hw, offset, (u32) value);
398
399 }
400
401 bool efuse_shadow_update(struct ieee80211_hw *hw)
402 {
403 struct rtl_priv *rtlpriv = rtl_priv(hw);
404 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
405 u16 i, offset, base;
406 u8 word_en = 0x0F;
407 u8 first_pg = false;
408
409 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
410
411 if (!efuse_shadow_update_chk(hw)) {
412 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
413 memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
414 (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
415 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
416
417 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
418 ("<---efuse out of capacity!!\n"));
419 return false;
420 }
421 efuse_power_switch(hw, true, true);
422
423 for (offset = 0; offset < 16; offset++) {
424
425 word_en = 0x0F;
426 base = offset * 8;
427
428 for (i = 0; i < 8; i++) {
429 if (first_pg == true) {
430
431 word_en &= ~(BIT(i / 2));
432
433 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
434 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
435 } else {
436
437 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
438 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
439 word_en &= ~(BIT(i / 2));
440
441 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
442 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
443 }
444 }
445 }
446
447 if (word_en != 0x0F) {
448 u8 tmpdata[8];
449 memcpy((void *)tmpdata,
450 (void *)(&rtlefuse->
451 efuse_map[EFUSE_MODIFY_MAP][base]), 8);
452 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
453 ("U-efuse\n"), tmpdata, 8);
454
455 if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
456 tmpdata)) {
457 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
458 ("PG section(%#x) fail!!\n", offset));
459 break;
460 }
461 }
462
463 }
464
465 efuse_power_switch(hw, true, false);
466 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
467
468 memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
469 (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
470 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
471
472 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
473 return true;
474 }
475
476 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
477 {
478 struct rtl_priv *rtlpriv = rtl_priv(hw);
479 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
480
481 if (rtlefuse->autoload_failflag == true) {
482 memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128,
483 0xFF);
484 } else
485 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
486
487 memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
488 (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
489 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
490
491 }
492 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
493
494 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
495 {
496 u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
497
498 efuse_power_switch(hw, true, true);
499
500 efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
501
502 efuse_power_switch(hw, true, false);
503
504 }
505
506 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
507 {
508 }
509
510 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
511 u16 offset, u8 *value)
512 {
513 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
514 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
515 }
516
517 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
518 u16 offset, u16 *value)
519 {
520 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
521
522 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
523 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
524
525 }
526
527 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
528 u16 offset, u32 *value)
529 {
530 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
531
532 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
533 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
534 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
535 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
536 }
537
538 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
539 u16 offset, u8 value)
540 {
541 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
542
543 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
544 }
545
546 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
547 u16 offset, u16 value)
548 {
549 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
550
551 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
552 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
553
554 }
555
556 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
557 u16 offset, u32 value)
558 {
559 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
560
561 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
562 (u8) (value & 0x000000FF);
563 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
564 (u8) ((value >> 8) & 0x0000FF);
565 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
566 (u8) ((value >> 16) & 0x00FF);
567 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
568 (u8) ((value >> 24) & 0xFF);
569
570 }
571
572 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
573 {
574 struct rtl_priv *rtlpriv = rtl_priv(hw);
575 u8 tmpidx = 0;
576 int bresult;
577
578 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
579 (u8) (addr & 0xff));
580 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
581 ((u8) ((addr >> 8) & 0x03)) |
582 (rtl_read_byte(rtlpriv,
583 rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
584 0xFC));
585
586 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
587
588 while (!(0x80 & rtl_read_byte(rtlpriv,
589 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
590 && (tmpidx < 100)) {
591 tmpidx++;
592 }
593
594 if (tmpidx < 100) {
595 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
596 bresult = true;
597 } else {
598 *data = 0xff;
599 bresult = false;
600 }
601 return bresult;
602 }
603
604 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
605 {
606 struct rtl_priv *rtlpriv = rtl_priv(hw);
607 u8 tmpidx = 0;
608 bool bresult;
609
610 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
611 ("Addr = %x Data=%x\n", addr, data));
612
613 rtl_write_byte(rtlpriv,
614 rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
615 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
616 (rtl_read_byte(rtlpriv,
617 rtlpriv->cfg->maps[EFUSE_CTRL] +
618 2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
619
620 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
621 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
622
623 while ((0x80 & rtl_read_byte(rtlpriv,
624 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
625 && (tmpidx < 100)) {
626 tmpidx++;
627 }
628
629 if (tmpidx < 100)
630 bresult = true;
631 else
632 bresult = false;
633
634 return bresult;
635 }
636
637 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
638 {
639 efuse_power_switch(hw, false, true);
640 read_efuse(hw, 0, 128, efuse);
641 efuse_power_switch(hw, false, false);
642 }
643
644 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
645 u8 efuse_data, u8 offset, u8 *tmpdata,
646 u8 *readstate)
647 {
648 bool bdataempty = true;
649 u8 hoffset;
650 u8 tmpidx;
651 u8 hworden;
652 u8 word_cnts;
653
654 hoffset = (efuse_data >> 4) & 0x0F;
655 hworden = efuse_data & 0x0F;
656 word_cnts = efuse_calculate_word_cnts(hworden);
657
658 if (hoffset == offset) {
659 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
660 if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
661 &efuse_data)) {
662 tmpdata[tmpidx] = efuse_data;
663 if (efuse_data != 0xff)
664 bdataempty = true;
665 }
666 }
667
668 if (bdataempty == true)
669 *readstate = PG_STATE_DATA;
670 else {
671 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
672 *readstate = PG_STATE_HEADER;
673 }
674
675 } else {
676 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
677 *readstate = PG_STATE_HEADER;
678 }
679 }
680
681 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
682 {
683 u8 readstate = PG_STATE_HEADER;
684
685 bool bcontinual = true;
686
687 u8 efuse_data, word_cnts = 0;
688 u16 efuse_addr = 0;
689 u8 hworden;
690 u8 tmpdata[8];
691
692 if (data == NULL)
693 return false;
694 if (offset > 15)
695 return false;
696
697 memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
698 memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
699
700 while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) {
701 if (readstate & PG_STATE_HEADER) {
702 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
703 && (efuse_data != 0xFF))
704 efuse_read_data_case1(hw, &efuse_addr,
705 efuse_data,
706 offset, tmpdata,
707 &readstate);
708 else
709 bcontinual = false;
710 } else if (readstate & PG_STATE_DATA) {
711 efuse_word_enable_data_read(hworden, tmpdata, data);
712 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
713 readstate = PG_STATE_HEADER;
714 }
715
716 }
717
718 if ((data[0] == 0xff) && (data[1] == 0xff) &&
719 (data[2] == 0xff) && (data[3] == 0xff) &&
720 (data[4] == 0xff) && (data[5] == 0xff) &&
721 (data[6] == 0xff) && (data[7] == 0xff))
722 return false;
723 else
724 return true;
725
726 }
727
728 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
729 u8 efuse_data, u8 offset, int *bcontinual,
730 u8 *write_state, struct pgpkt_struct target_pkt,
731 int *repeat_times, int *bresult, u8 word_en)
732 {
733 struct rtl_priv *rtlpriv = rtl_priv(hw);
734 struct pgpkt_struct tmp_pkt;
735 int bdataempty = true;
736 u8 originaldata[8 * sizeof(u8)];
737 u8 badworden = 0x0F;
738 u8 match_word_en, tmp_word_en;
739 u8 tmpindex;
740 u8 tmp_header = efuse_data;
741 u8 tmp_word_cnts;
742
743 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
744 tmp_pkt.word_en = tmp_header & 0x0F;
745 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
746
747 if (tmp_pkt.offset != target_pkt.offset) {
748 efuse_addr = efuse_addr + (tmp_word_cnts * 2) + 1;
749 *write_state = PG_STATE_HEADER;
750 } else {
751 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
752 u16 address = *efuse_addr + 1 + tmpindex;
753 if (efuse_one_byte_read(hw, address,
754 &efuse_data) && (efuse_data != 0xFF))
755 bdataempty = false;
756 }
757
758 if (bdataempty == false) {
759 efuse_addr = efuse_addr + (tmp_word_cnts * 2) + 1;
760 *write_state = PG_STATE_HEADER;
761 } else {
762 match_word_en = 0x0F;
763 if (!((target_pkt.word_en & BIT(0)) |
764 (tmp_pkt.word_en & BIT(0))))
765 match_word_en &= (~BIT(0));
766
767 if (!((target_pkt.word_en & BIT(1)) |
768 (tmp_pkt.word_en & BIT(1))))
769 match_word_en &= (~BIT(1));
770
771 if (!((target_pkt.word_en & BIT(2)) |
772 (tmp_pkt.word_en & BIT(2))))
773 match_word_en &= (~BIT(2));
774
775 if (!((target_pkt.word_en & BIT(3)) |
776 (tmp_pkt.word_en & BIT(3))))
777 match_word_en &= (~BIT(3));
778
779 if ((match_word_en & 0x0F) != 0x0F) {
780 badworden = efuse_word_enable_data_write(
781 hw, *efuse_addr + 1,
782 tmp_pkt.word_en,
783 target_pkt.data);
784
785 if (0x0F != (badworden & 0x0F)) {
786 u8 reorg_offset = offset;
787 u8 reorg_worden = badworden;
788 efuse_pg_packet_write(hw, reorg_offset,
789 reorg_worden,
790 originaldata);
791 }
792
793 tmp_word_en = 0x0F;
794 if ((target_pkt.word_en & BIT(0)) ^
795 (match_word_en & BIT(0)))
796 tmp_word_en &= (~BIT(0));
797
798 if ((target_pkt.word_en & BIT(1)) ^
799 (match_word_en & BIT(1)))
800 tmp_word_en &= (~BIT(1));
801
802 if ((target_pkt.word_en & BIT(2)) ^
803 (match_word_en & BIT(2)))
804 tmp_word_en &= (~BIT(2));
805
806 if ((target_pkt.word_en & BIT(3)) ^
807 (match_word_en & BIT(3)))
808 tmp_word_en &= (~BIT(3));
809
810 if ((tmp_word_en & 0x0F) != 0x0F) {
811 *efuse_addr = efuse_get_current_size(hw);
812 target_pkt.offset = offset;
813 target_pkt.word_en = tmp_word_en;
814 } else
815 *bcontinual = false;
816 *write_state = PG_STATE_HEADER;
817 *repeat_times += 1;
818 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
819 *bcontinual = false;
820 *bresult = false;
821 }
822 } else {
823 *efuse_addr += (2 * tmp_word_cnts) + 1;
824 target_pkt.offset = offset;
825 target_pkt.word_en = word_en;
826 *write_state = PG_STATE_HEADER;
827 }
828 }
829 }
830 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
831 }
832
833 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
834 int *bcontinual, u8 *write_state,
835 struct pgpkt_struct target_pkt,
836 int *repeat_times, int *bresult)
837 {
838 struct rtl_priv *rtlpriv = rtl_priv(hw);
839 struct pgpkt_struct tmp_pkt;
840 u8 pg_header;
841 u8 tmp_header;
842 u8 originaldata[8 * sizeof(u8)];
843 u8 tmp_word_cnts;
844 u8 badworden = 0x0F;
845
846 pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
847 efuse_one_byte_write(hw, *efuse_addr, pg_header);
848 efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
849
850 if (tmp_header == pg_header)
851 *write_state = PG_STATE_DATA;
852 else if (tmp_header == 0xFF) {
853 *write_state = PG_STATE_HEADER;
854 *repeat_times += 1;
855 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
856 *bcontinual = false;
857 *bresult = false;
858 }
859 } else {
860 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
861 tmp_pkt.word_en = tmp_header & 0x0F;
862
863 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
864
865 memset((void *)originaldata, 8 * sizeof(u8), 0xff);
866
867 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
868 badworden = efuse_word_enable_data_write(hw,
869 *efuse_addr + 1, tmp_pkt.word_en,
870 originaldata);
871
872 if (0x0F != (badworden & 0x0F)) {
873 u8 reorg_offset = tmp_pkt.offset;
874 u8 reorg_worden = badworden;
875 efuse_pg_packet_write(hw, reorg_offset,
876 reorg_worden,
877 originaldata);
878 *efuse_addr = efuse_get_current_size(hw);
879 } else
880 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
881 + 1;
882 } else
883 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
884
885 *write_state = PG_STATE_HEADER;
886 *repeat_times += 1;
887 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
888 *bcontinual = false;
889 *bresult = false;
890 }
891
892 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
893 ("efuse PG_STATE_HEADER-2\n"));
894 }
895 }
896
897 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
898 u8 offset, u8 word_en, u8 *data)
899 {
900 struct rtl_priv *rtlpriv = rtl_priv(hw);
901 struct pgpkt_struct target_pkt;
902 u8 write_state = PG_STATE_HEADER;
903 int bcontinual = true, bdataempty = true, bresult = true;
904 u16 efuse_addr = 0;
905 u8 efuse_data;
906 u8 target_word_cnts = 0;
907 u8 badworden = 0x0F;
908 static int repeat_times;
909
910 if (efuse_get_current_size(hw) >=
911 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
912 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
913 ("efuse_pg_packet_write error\n"));
914 return false;
915 }
916
917 target_pkt.offset = offset;
918 target_pkt.word_en = word_en;
919
920 memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF);
921
922 efuse_word_enable_data_read(word_en, data, target_pkt.data);
923 target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
924
925 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n"));
926
927 while (bcontinual && (efuse_addr <
928 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
929
930 if (write_state == PG_STATE_HEADER) {
931 bdataempty = true;
932 badworden = 0x0F;
933 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
934 ("efuse PG_STATE_HEADER\n"));
935
936 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
937 (efuse_data != 0xFF))
938 efuse_write_data_case1(hw, &efuse_addr,
939 efuse_data, offset,
940 &bcontinual,
941 &write_state, target_pkt,
942 &repeat_times, &bresult,
943 word_en);
944 else
945 efuse_write_data_case2(hw, &efuse_addr,
946 &bcontinual,
947 &write_state,
948 target_pkt,
949 &repeat_times,
950 &bresult);
951
952 } else if (write_state == PG_STATE_DATA) {
953 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
954 ("efuse PG_STATE_DATA\n"));
955 badworden = 0x0f;
956 badworden =
957 efuse_word_enable_data_write(hw, efuse_addr + 1,
958 target_pkt.word_en,
959 target_pkt.data);
960
961 if ((badworden & 0x0F) == 0x0F) {
962 bcontinual = false;
963 } else {
964 efuse_addr =
965 efuse_addr + (2 * target_word_cnts) + 1;
966
967 target_pkt.offset = offset;
968 target_pkt.word_en = badworden;
969 target_word_cnts =
970 efuse_calculate_word_cnts(target_pkt.
971 word_en);
972 write_state = PG_STATE_HEADER;
973 repeat_times++;
974 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
975 bcontinual = false;
976 bresult = false;
977 }
978 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
979 ("efuse PG_STATE_HEADER-3\n"));
980 }
981 }
982 }
983
984 if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
985 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
986 ("efuse_addr(%#x) Out of size!!\n", efuse_addr));
987 }
988
989 return true;
990 }
991
992 static void efuse_word_enable_data_read(u8 word_en,
993 u8 *sourdata, u8 *targetdata)
994 {
995 if (!(word_en & BIT(0))) {
996 targetdata[0] = sourdata[0];
997 targetdata[1] = sourdata[1];
998 }
999
1000 if (!(word_en & BIT(1))) {
1001 targetdata[2] = sourdata[2];
1002 targetdata[3] = sourdata[3];
1003 }
1004
1005 if (!(word_en & BIT(2))) {
1006 targetdata[4] = sourdata[4];
1007 targetdata[5] = sourdata[5];
1008 }
1009
1010 if (!(word_en & BIT(3))) {
1011 targetdata[6] = sourdata[6];
1012 targetdata[7] = sourdata[7];
1013 }
1014 }
1015
1016 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1017 u16 efuse_addr, u8 word_en, u8 *data)
1018 {
1019 struct rtl_priv *rtlpriv = rtl_priv(hw);
1020 u16 tmpaddr;
1021 u16 start_addr = efuse_addr;
1022 u8 badworden = 0x0F;
1023 u8 tmpdata[8];
1024
1025 memset((void *)tmpdata, PGPKT_DATA_SIZE, 0xff);
1026 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1027 ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));
1028
1029 if (!(word_en & BIT(0))) {
1030 tmpaddr = start_addr;
1031 efuse_one_byte_write(hw, start_addr++, data[0]);
1032 efuse_one_byte_write(hw, start_addr++, data[1]);
1033
1034 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1035 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1036 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1037 badworden &= (~BIT(0));
1038 }
1039
1040 if (!(word_en & BIT(1))) {
1041 tmpaddr = start_addr;
1042 efuse_one_byte_write(hw, start_addr++, data[2]);
1043 efuse_one_byte_write(hw, start_addr++, data[3]);
1044
1045 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1046 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1047 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1048 badworden &= (~BIT(1));
1049 }
1050
1051 if (!(word_en & BIT(2))) {
1052 tmpaddr = start_addr;
1053 efuse_one_byte_write(hw, start_addr++, data[4]);
1054 efuse_one_byte_write(hw, start_addr++, data[5]);
1055
1056 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1057 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1058 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1059 badworden &= (~BIT(2));
1060 }
1061
1062 if (!(word_en & BIT(3))) {
1063 tmpaddr = start_addr;
1064 efuse_one_byte_write(hw, start_addr++, data[6]);
1065 efuse_one_byte_write(hw, start_addr++, data[7]);
1066
1067 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1068 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1069 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1070 badworden &= (~BIT(3));
1071 }
1072
1073 return badworden;
1074 }
1075
1076 static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite, u8 pwrstate)
1077 {
1078 struct rtl_priv *rtlpriv = rtl_priv(hw);
1079 u8 tempval;
1080 u16 tmpV16;
1081
1082 if (pwrstate == true) {
1083 tmpV16 = rtl_read_word(rtlpriv,
1084 rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1085 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1086 tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1087 rtl_write_word(rtlpriv,
1088 rtlpriv->cfg->maps[SYS_ISO_CTRL],
1089 tmpV16);
1090 }
1091
1092 tmpV16 = rtl_read_word(rtlpriv,
1093 rtlpriv->cfg->maps[SYS_FUNC_EN]);
1094 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1095 tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1096 rtl_write_word(rtlpriv,
1097 rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1098 }
1099
1100 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1101 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1102 (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1103 tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1104 rtlpriv->cfg->maps[EFUSE_ANA8M]);
1105 rtl_write_word(rtlpriv,
1106 rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1107 }
1108 }
1109
1110 if (pwrstate == true) {
1111 if (bwrite == true) {
1112 tempval = rtl_read_byte(rtlpriv,
1113 rtlpriv->cfg->maps[EFUSE_TEST] +
1114 3);
1115 tempval &= 0x0F;
1116 tempval |= (VOLTAGE_V25 << 4);
1117 rtl_write_byte(rtlpriv,
1118 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1119 (tempval | 0x80));
1120 }
1121
1122 } else {
1123 if (bwrite == true) {
1124 tempval = rtl_read_byte(rtlpriv,
1125 rtlpriv->cfg->maps[EFUSE_TEST] +
1126 3);
1127 rtl_write_byte(rtlpriv,
1128 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1129 (tempval & 0x7F));
1130 }
1131
1132 }
1133
1134 }
1135
1136 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1137 {
1138 int bcontinual = true;
1139 u16 efuse_addr = 0;
1140 u8 hoffset, hworden;
1141 u8 efuse_data, word_cnts;
1142
1143 while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
1144 && (efuse_addr < EFUSE_MAX_SIZE)) {
1145 if (efuse_data != 0xFF) {
1146 hoffset = (efuse_data >> 4) & 0x0F;
1147 hworden = efuse_data & 0x0F;
1148 word_cnts = efuse_calculate_word_cnts(hworden);
1149 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1150 } else {
1151 bcontinual = false;
1152 }
1153 }
1154
1155 return efuse_addr;
1156 }
1157
1158 static u8 efuse_calculate_word_cnts(u8 word_en)
1159 {
1160 u8 word_cnts = 0;
1161 if (!(word_en & BIT(0)))
1162 word_cnts++;
1163 if (!(word_en & BIT(1)))
1164 word_cnts++;
1165 if (!(word_en & BIT(2)))
1166 word_cnts++;
1167 if (!(word_en & BIT(3)))
1168 word_cnts++;
1169 return word_cnts;
1170 }
1171
1172 void efuse_reset_loader(struct ieee80211_hw *hw)
1173 {
1174 struct rtl_priv *rtlpriv = rtl_priv(hw);
1175 u16 tmp_u2b;
1176
1177 tmp_u2b = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN]);
1178 rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
1179 (tmp_u2b & ~(BIT(12))));
1180 udelay(10000);
1181 rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
1182 (tmp_u2b | BIT(12)));
1183 udelay(10000);
1184 }
1185
1186 bool efuse_program_map(struct ieee80211_hw *hw, char *p_filename, u8 tabletype)
1187 {
1188 return true;
1189 }
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