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iwlagn: fix iwl_is_any_associated
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / efuse.c
CommitLineData
0c817338
LF		 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
33static const u8 MAX_PGPKT_SIZE = 9;
34static const u8 PGPKT_DATA_SIZE = 8;
35static const int EFUSE_MAX_SIZE = 512;
36
37static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
38
39static 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
0c817338
LF		 55static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
56 u8 *value);
57static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
58 u16 *value);
59static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
60 u32 *value);
61static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
62 u8 value);
63static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
64 u16 value);
65static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
66 u32 value);
67static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
68 u8 *data);
69static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
70 u8 data);
71static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
72static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
73 u8 *data);
74static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
75 u8 word_en, u8 *data);
76static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
77 u8 *targetdata);
78static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
79 u16 efuse_addr, u8 word_en, u8 *data);
e25f51d4 80static void efuse_power_switch(struct ieee80211_hw *hw, u8 write,
0c817338
LF		 81 u8 pwrstate);
82static u16 efuse_get_current_size(struct ieee80211_hw *hw);
83static u8 efuse_calculate_word_cnts(u8 word_en);
84
85void efuse_initialize(struct ieee80211_hw *hw)
86{
87 struct rtl_priv *rtlpriv = rtl_priv(hw);
88 u8 bytetemp;
89 u8 temp;
90
91 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
92 temp = bytetemp | 0x20;
93 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
94
95 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
96 temp = bytetemp & 0xFE;
97 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
98
99 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
100 temp = bytetemp | 0x80;
101 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
102
103 rtl_write_byte(rtlpriv, 0x2F8, 0x3);
104
105 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
106
107}
108
109u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
110{
111 struct rtl_priv *rtlpriv = rtl_priv(hw);
112 u8 data;
113 u8 bytetemp;
114 u8 temp;
115 u32 k = 0;
e25f51d4
C		 116 const u32 efuse_len =
117 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
0c817338 118
e25f51d4 119 if (address < efuse_len) {
0c817338
LF		 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}
153EXPORT_SYMBOL(efuse_read_1byte);
154
155void 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;
e25f51d4
C		 161 const u32 efuse_len =
162 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
0c817338
LF		 163
164 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
165 ("Addr=%x Data =%x\n", address, value));
166
e25f51d4 167 if (address < efuse_len) {
0c817338
LF		 168 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
169
170 temp = address & 0xFF;
171 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
172 temp);
173 bytetemp = rtl_read_byte(rtlpriv,
174 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
175
176 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
177 rtl_write_byte(rtlpriv,
178 rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
179
180 bytetemp = rtl_read_byte(rtlpriv,
181 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
182 temp = bytetemp | 0x80;
183 rtl_write_byte(rtlpriv,
184 rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
185
186 bytetemp = rtl_read_byte(rtlpriv,
187 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
188
189 while (bytetemp & 0x80) {
190 bytetemp = rtl_read_byte(rtlpriv,
191 rtlpriv->cfg->
192 maps[EFUSE_CTRL] + 3);
193 k++;
194 if (k == 100) {
195 k = 0;
196 break;
197 }
198 }
199 }
200
201}
202
e25f51d4 203void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
0c817338
LF		 204{
205 struct rtl_priv *rtlpriv = rtl_priv(hw);
206 u32 value32;
207 u8 readbyte;
208 u16 retry;
209
210 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
211 (_offset & 0xff));
212 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
213 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
214 ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
215
216 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
217 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
218 (readbyte & 0x7f));
219
220 retry = 0;
221 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
222 while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
223 value32 = rtl_read_dword(rtlpriv,
224 rtlpriv->cfg->maps[EFUSE_CTRL]);
225 retry++;
226 }
227
228 udelay(50);
229 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
230
231 *pbuf = (u8) (value32 & 0xff);
232}
233
234void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
235{
236 struct rtl_priv *rtlpriv = rtl_priv(hw);
237 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
d3bb1429 238 u8 efuse_tbl[HWSET_MAX_SIZE];
0c817338
LF		 239 u8 rtemp8[1];
240 u16 efuse_addr = 0;
241 u8 offset, wren;
242 u16 i;
243 u16 j;
e25f51d4
C		 244 const u16 efuse_max_section =
245 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
246 const u32 efuse_len =
247 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
d3bb1429 248 u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT];
0c817338
LF		 249 u16 efuse_utilized = 0;
250 u8 efuse_usage;
251
e25f51d4 252 if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
0c817338
LF		 253 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
254 ("read_efuse(): Invalid offset(%#x) with read "
255 "bytes(%#x)!!\n", _offset, _size_byte));
256 return;
257 }
258
e25f51d4 259 for (i = 0; i < efuse_max_section; i++)
0c817338
LF		 260 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
261 efuse_word[i][j] = 0xFFFF;
262
263 read_efuse_byte(hw, efuse_addr, rtemp8);
264 if (*rtemp8 != 0xFF) {
265 efuse_utilized++;
266 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
267 ("Addr=%d\n", efuse_addr));
268 efuse_addr++;
269 }
270
e25f51d4 271 while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
0c817338
LF		 272 offset = ((*rtemp8 >> 4) & 0x0f);
273
e25f51d4 274 if (offset < efuse_max_section) {
0c817338
LF		 275 wren = (*rtemp8 & 0x0f);
276 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
277 ("offset-%d Worden=%x\n", offset, wren));
278
279 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
280 if (!(wren & 0x01)) {
281 RTPRINT(rtlpriv, FEEPROM,
282 EFUSE_READ_ALL, ("Addr=%d\n",
283 efuse_addr));
284
285 read_efuse_byte(hw, efuse_addr, rtemp8);
286 efuse_addr++;
287 efuse_utilized++;
288 efuse_word[offset][i] = (*rtemp8 & 0xff);
289
e25f51d4 290 if (efuse_addr >= efuse_len)
0c817338
LF		 291 break;
292
293 RTPRINT(rtlpriv, FEEPROM,
294 EFUSE_READ_ALL, ("Addr=%d\n",
295 efuse_addr));
296
297 read_efuse_byte(hw, efuse_addr, rtemp8);
298 efuse_addr++;
299 efuse_utilized++;
300 efuse_word[offset][i] |=
301 (((u16)*rtemp8 << 8) & 0xff00);
302
e25f51d4 303 if (efuse_addr >= efuse_len)
0c817338
LF		 304 break;
305 }
306
307 wren >>= 1;
308 }
309 }
310
311 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
312 ("Addr=%d\n", efuse_addr));
313 read_efuse_byte(hw, efuse_addr, rtemp8);
e25f51d4 314 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
0c817338
LF		 315 efuse_utilized++;
316 efuse_addr++;
317 }
318 }
319
e25f51d4 320 for (i = 0; i < efuse_max_section; i++) {
0c817338
LF		 321 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
322 efuse_tbl[(i * 8) + (j * 2)] =
323 (efuse_word[i][j] & 0xff);
324 efuse_tbl[(i * 8) + ((j * 2) + 1)] =
325 ((efuse_word[i][j] >> 8) & 0xff);
326 }
327 }
328
329 for (i = 0; i < _size_byte; i++)
330 pbuf[i] = efuse_tbl[_offset + i];
331
332 rtlefuse->efuse_usedbytes = efuse_utilized;
e25f51d4 333 efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
0c817338
LF		 334 rtlefuse->efuse_usedpercentage = efuse_usage;
335 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
336 (u8 *)&efuse_utilized);
337 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
338 (u8 *)&efuse_usage);
339}
340
341bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
342{
343 struct rtl_priv *rtlpriv = rtl_priv(hw);
344 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
345 u8 section_idx, i, Base;
346 u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
32473284 347 bool wordchanged, result = true;
0c817338
LF		 348
349 for (section_idx = 0; section_idx < 16; section_idx++) {
350 Base = section_idx * 8;
32473284 351 wordchanged = false;
0c817338
LF		 352
353 for (i = 0; i < 8; i = i + 2) {
354 if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
355 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
356 (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
357 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
358 1])) {
359 words_need++;
32473284 360 wordchanged = true;
0c817338
LF		 361 }
362 }
363
32473284 364 if (wordchanged == true)
0c817338
LF		 365 hdr_num++;
366 }
367
368 totalbytes = hdr_num + words_need * 2;
369 efuse_used = rtlefuse->efuse_usedbytes;
370
371 if ((totalbytes + efuse_used) >=
372 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
32473284 373 result = false;
0c817338
LF		 374
375 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
376 ("efuse_shadow_update_chk(): totalbytes(%#x), "
377 "hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
378 totalbytes, hdr_num, words_need, efuse_used));
379
32473284 380 return result;
0c817338
LF		 381}
382
383void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
384 u16 offset, u32 *value)
385{
386 if (type == 1)
387 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
388 else if (type == 2)
389 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
390 else if (type == 4)
391 efuse_shadow_read_4byte(hw, offset, (u32 *) value);
392
393}
394
395void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
396 u32 value)
397{
398 if (type == 1)
399 efuse_shadow_write_1byte(hw, offset, (u8) value);
400 else if (type == 2)
401 efuse_shadow_write_2byte(hw, offset, (u16) value);
402 else if (type == 4)
32473284 403 efuse_shadow_write_4byte(hw, offset, value);
0c817338
LF		 404
405}
406
407bool efuse_shadow_update(struct ieee80211_hw *hw)
408{
409 struct rtl_priv *rtlpriv = rtl_priv(hw);
410 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
411 u16 i, offset, base;
412 u8 word_en = 0x0F;
413 u8 first_pg = false;
414
415 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
416
417 if (!efuse_shadow_update_chk(hw)) {
418 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
6e9d592f
IM		 419 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
420 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
0c817338
LF		 421 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
422
423 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
424 ("<---efuse out of capacity!!\n"));
425 return false;
426 }
427 efuse_power_switch(hw, true, true);
428
429 for (offset = 0; offset < 16; offset++) {
430
431 word_en = 0x0F;
432 base = offset * 8;
433
434 for (i = 0; i < 8; i++) {
435 if (first_pg == true) {
436
437 word_en &= ~(BIT(i / 2));
438
439 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
440 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
441 } else {
442
443 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
444 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
445 word_en &= ~(BIT(i / 2));
446
447 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
448 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
449 }
450 }
451 }
452
453 if (word_en != 0x0F) {
454 u8 tmpdata[8];
6e9d592f
IM		 455 memcpy(tmpdata,
456 &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
457 8);
0c817338
LF		 458 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
459 ("U-efuse\n"), tmpdata, 8);
460
461 if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
462 tmpdata)) {
463 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
464 ("PG section(%#x) fail!!\n", offset));
465 break;
466 }
467 }
468
469 }
470
471 efuse_power_switch(hw, true, false);
472 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
473
6e9d592f
IM		 474 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
475 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
0c817338
LF		 476 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
477
478 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
479 return true;
480}
481
482void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
483{
484 struct rtl_priv *rtlpriv = rtl_priv(hw);
485 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
486
e25f51d4
C		 487 if (rtlefuse->autoload_failflag == true)
488 memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF,
489 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
490 else
0c817338
LF		 491 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
492
6e9d592f
IM		 493 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
494 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
0c817338
LF		 495 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
496
497}
498EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
499
500void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
501{
502 u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
503
504 efuse_power_switch(hw, true, true);
505
506 efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
507
508 efuse_power_switch(hw, true, false);
509
510}
511
512void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
513{
514}
515
516static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
517 u16 offset, u8 *value)
518{
519 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
520 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
521}
522
523static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
524 u16 offset, u16 *value)
525{
526 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
527
528 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
529 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
530
531}
532
533static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
534 u16 offset, u32 *value)
535{
536 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
537
538 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
539 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
540 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
541 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
542}
543
544static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
545 u16 offset, u8 value)
546{
547 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
548
549 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
550}
551
552static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
553 u16 offset, u16 value)
554{
555 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
556
557 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
558 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
559
560}
561
562static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
563 u16 offset, u32 value)
564{
565 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
566
567 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
568 (u8) (value & 0x000000FF);
569 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
570 (u8) ((value >> 8) & 0x0000FF);
571 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
572 (u8) ((value >> 16) & 0x00FF);
573 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
574 (u8) ((value >> 24) & 0xFF);
575
576}
577
578static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
579{
580 struct rtl_priv *rtlpriv = rtl_priv(hw);
581 u8 tmpidx = 0;
32473284 582 int result;
0c817338
LF		 583
584 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
585 (u8) (addr & 0xff));
586 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
587 ((u8) ((addr >> 8) & 0x03)) |
588 (rtl_read_byte(rtlpriv,
589 rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
590 0xFC));
591
592 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
593
594 while (!(0x80 & rtl_read_byte(rtlpriv,
595 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
596 && (tmpidx < 100)) {
597 tmpidx++;
598 }
599
600 if (tmpidx < 100) {
601 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
32473284 602 result = true;
0c817338
LF		 603 } else {
604 *data = 0xff;
32473284 605 result = false;
0c817338 606 }
32473284 607 return result;
0c817338
LF		 608}
609
610static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
611{
612 struct rtl_priv *rtlpriv = rtl_priv(hw);
613 u8 tmpidx = 0;
0c817338
LF		 614
615 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
616 ("Addr = %x Data=%x\n", addr, data));
617
618 rtl_write_byte(rtlpriv,
619 rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
620 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
621 (rtl_read_byte(rtlpriv,
622 rtlpriv->cfg->maps[EFUSE_CTRL] +
623 2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
624
625 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
626 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
627
628 while ((0x80 & rtl_read_byte(rtlpriv,
629 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
630 && (tmpidx < 100)) {
631 tmpidx++;
632 }
633
634 if (tmpidx < 100)
32473284 635 return true;
0c817338 636
32473284 637 return false;
0c817338
LF		 638}
639
640static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
641{
e25f51d4 642 struct rtl_priv *rtlpriv = rtl_priv(hw);
0c817338 643 efuse_power_switch(hw, false, true);
e25f51d4 644 read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
0c817338
LF		 645 efuse_power_switch(hw, false, false);
646}
647
648static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
649 u8 efuse_data, u8 offset, u8 *tmpdata,
650 u8 *readstate)
651{
e25f51d4 652 bool dataempty = true;
0c817338
LF		 653 u8 hoffset;
654 u8 tmpidx;
655 u8 hworden;
656 u8 word_cnts;
657
658 hoffset = (efuse_data >> 4) & 0x0F;
659 hworden = efuse_data & 0x0F;
660 word_cnts = efuse_calculate_word_cnts(hworden);
661
662 if (hoffset == offset) {
663 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
664 if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
665 &efuse_data)) {
666 tmpdata[tmpidx] = efuse_data;
667 if (efuse_data != 0xff)
e25f51d4 668 dataempty = true;
0c817338
LF		 669 }
670 }
671
e25f51d4 672 if (dataempty == true) {
0c817338 673 *readstate = PG_STATE_DATA;
e25f51d4 674 } else {
0c817338
LF		 675 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
676 *readstate = PG_STATE_HEADER;
677 }
678
679 } else {
680 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
681 *readstate = PG_STATE_HEADER;
682 }
683}
684
685static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
686{
687 u8 readstate = PG_STATE_HEADER;
32473284 688 bool continual = true;
0c817338
LF		 689 u8 efuse_data, word_cnts = 0;
690 u16 efuse_addr = 0;
0c817338
LF		 691 u8 tmpdata[8];
692
693 if (data == NULL)
694 return false;
695 if (offset > 15)
696 return false;
697
6e9d592f
IM		 698 memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
699 memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
0c817338 700
32473284 701 while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
0c817338
LF		 702 if (readstate & PG_STATE_HEADER) {
703 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
704 && (efuse_data != 0xFF))
705 efuse_read_data_case1(hw, &efuse_addr,
706 efuse_data,
707 offset, tmpdata,
708 &readstate);
709 else
32473284 710 continual = false;
0c817338 711 } else if (readstate & PG_STATE_DATA) {
32473284 712 efuse_word_enable_data_read(0, tmpdata, data);
0c817338
LF		 713 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
714 readstate = PG_STATE_HEADER;
715 }
716
717 }
718
719 if ((data[0] == 0xff) && (data[1] == 0xff) &&
720 (data[2] == 0xff) && (data[3] == 0xff) &&
721 (data[4] == 0xff) && (data[5] == 0xff) &&
722 (data[6] == 0xff) && (data[7] == 0xff))
723 return false;
724 else
725 return true;
726
727}
728
729static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
32473284 730 u8 efuse_data, u8 offset, int *continual,
bc5892c9 731 u8 *write_state, struct pgpkt_struct *target_pkt,
32473284 732 int *repeat_times, int *result, u8 word_en)
0c817338
LF		 733{
734 struct rtl_priv *rtlpriv = rtl_priv(hw);
735 struct pgpkt_struct tmp_pkt;
32473284 736 bool dataempty = true;
0c817338
LF		 737 u8 originaldata[8 * sizeof(u8)];
738 u8 badworden = 0x0F;
739 u8 match_word_en, tmp_word_en;
740 u8 tmpindex;
741 u8 tmp_header = efuse_data;
742 u8 tmp_word_cnts;
743
744 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
745 tmp_pkt.word_en = tmp_header & 0x0F;
746 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
747
bc5892c9
CL		 748 if (tmp_pkt.offset != target_pkt->offset) {
749 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
0c817338
LF		 750 *write_state = PG_STATE_HEADER;
751 } else {
752 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
753 u16 address = *efuse_addr + 1 + tmpindex;
754 if (efuse_one_byte_read(hw, address,
755 &efuse_data) && (efuse_data != 0xFF))
32473284 756 dataempty = false;
0c817338
LF		 757 }
758
32473284 759 if (dataempty == false) {
bc5892c9 760 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
0c817338
LF		 761 *write_state = PG_STATE_HEADER;
762 } else {
763 match_word_en = 0x0F;
bc5892c9 764 if (!((target_pkt->word_en & BIT(0)) |
0c817338
LF		 765 (tmp_pkt.word_en & BIT(0))))
766 match_word_en &= (~BIT(0));
767
bc5892c9 768 if (!((target_pkt->word_en & BIT(1)) |
0c817338
LF		 769 (tmp_pkt.word_en & BIT(1))))
770 match_word_en &= (~BIT(1));
771
bc5892c9 772 if (!((target_pkt->word_en & BIT(2)) |
0c817338
LF		 773 (tmp_pkt.word_en & BIT(2))))
774 match_word_en &= (~BIT(2));
775
bc5892c9 776 if (!((target_pkt->word_en & BIT(3)) |
0c817338
LF		 777 (tmp_pkt.word_en & BIT(3))))
778 match_word_en &= (~BIT(3));
779
780 if ((match_word_en & 0x0F) != 0x0F) {
781 badworden = efuse_word_enable_data_write(
782 hw, *efuse_addr + 1,
783 tmp_pkt.word_en,
bc5892c9 784 target_pkt->data);
0c817338
LF		 785
786 if (0x0F != (badworden & 0x0F)) {
787 u8 reorg_offset = offset;
788 u8 reorg_worden = badworden;
789 efuse_pg_packet_write(hw, reorg_offset,
790 reorg_worden,
791 originaldata);
792 }
793
794 tmp_word_en = 0x0F;
bc5892c9 795 if ((target_pkt->word_en & BIT(0)) ^
0c817338
LF		 796 (match_word_en & BIT(0)))
797 tmp_word_en &= (~BIT(0));
798
bc5892c9 799 if ((target_pkt->word_en & BIT(1)) ^
0c817338
LF		 800 (match_word_en & BIT(1)))
801 tmp_word_en &= (~BIT(1));
802
bc5892c9 803 if ((target_pkt->word_en & BIT(2)) ^
e25f51d4 804 (match_word_en & BIT(2)))
0c817338
LF		 805 tmp_word_en &= (~BIT(2));
806
bc5892c9 807 if ((target_pkt->word_en & BIT(3)) ^
e25f51d4 808 (match_word_en & BIT(3)))
0c817338
LF		 809 tmp_word_en &= (~BIT(3));
810
811 if ((tmp_word_en & 0x0F) != 0x0F) {
812 *efuse_addr = efuse_get_current_size(hw);
bc5892c9
CL		 813 target_pkt->offset = offset;
814 target_pkt->word_en = tmp_word_en;
e25f51d4 815 } else {
32473284 816 *continual = false;
e25f51d4 817 }
0c817338
LF		 818 *write_state = PG_STATE_HEADER;
819 *repeat_times += 1;
820 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
32473284
LF		 821 *continual = false;
822 *result = false;
0c817338
LF		 823 }
824 } else {
825 *efuse_addr += (2 * tmp_word_cnts) + 1;
bc5892c9
CL		 826 target_pkt->offset = offset;
827 target_pkt->word_en = word_en;
0c817338
LF		 828 *write_state = PG_STATE_HEADER;
829 }
830 }
831 }
832 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
833}
834
835static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
32473284 836 int *continual, u8 *write_state,
0c817338 837 struct pgpkt_struct target_pkt,
32473284 838 int *repeat_times, int *result)
0c817338
LF		 839{
840 struct rtl_priv *rtlpriv = rtl_priv(hw);
841 struct pgpkt_struct tmp_pkt;
842 u8 pg_header;
843 u8 tmp_header;
844 u8 originaldata[8 * sizeof(u8)];
845 u8 tmp_word_cnts;
846 u8 badworden = 0x0F;
847
848 pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
849 efuse_one_byte_write(hw, *efuse_addr, pg_header);
850 efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
851
e25f51d4 852 if (tmp_header == pg_header) {
0c817338 853 *write_state = PG_STATE_DATA;
e25f51d4 854 } else if (tmp_header == 0xFF) {
0c817338
LF		 855 *write_state = PG_STATE_HEADER;
856 *repeat_times += 1;
857 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
32473284
LF		 858 *continual = false;
859 *result = false;
0c817338
LF		 860 }
861 } else {
862 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
863 tmp_pkt.word_en = tmp_header & 0x0F;
864
865 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
866
6e9d592f 867 memset(originaldata, 0xff, 8 * sizeof(u8));
0c817338
LF		 868
869 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
870 badworden = efuse_word_enable_data_write(hw,
871 *efuse_addr + 1, tmp_pkt.word_en,
872 originaldata);
873
874 if (0x0F != (badworden & 0x0F)) {
875 u8 reorg_offset = tmp_pkt.offset;
876 u8 reorg_worden = badworden;
877 efuse_pg_packet_write(hw, reorg_offset,
878 reorg_worden,
879 originaldata);
880 *efuse_addr = efuse_get_current_size(hw);
e25f51d4 881 } else {
0c817338
LF		 882 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
883 + 1;
e25f51d4
C		 884 }
885 } else {
0c817338 886 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
e25f51d4 887 }
0c817338
LF		 888
889 *write_state = PG_STATE_HEADER;
890 *repeat_times += 1;
891 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
32473284
LF		 892 *continual = false;
893 *result = false;
0c817338
LF		 894 }
895
896 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
897 ("efuse PG_STATE_HEADER-2\n"));
898 }
899}
900
901static int efuse_pg_packet_write(struct ieee80211_hw *hw,
902 u8 offset, u8 word_en, u8 *data)
903{
904 struct rtl_priv *rtlpriv = rtl_priv(hw);
905 struct pgpkt_struct target_pkt;
906 u8 write_state = PG_STATE_HEADER;
32473284 907 int continual = true, dataempty = true, result = true;
0c817338
LF		 908 u16 efuse_addr = 0;
909 u8 efuse_data;
910 u8 target_word_cnts = 0;
911 u8 badworden = 0x0F;
912 static int repeat_times;
913
914 if (efuse_get_current_size(hw) >=
915 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
916 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
917 ("efuse_pg_packet_write error\n"));
918 return false;
919 }
920
921 target_pkt.offset = offset;
922 target_pkt.word_en = word_en;
923
6e9d592f 924 memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
0c817338
LF		 925
926 efuse_word_enable_data_read(word_en, data, target_pkt.data);
927 target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
928
929 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n"));
930
32473284 931 while (continual && (efuse_addr <
0c817338
LF		 932 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
933
934 if (write_state == PG_STATE_HEADER) {
32473284 935 dataempty = true;
0c817338
LF		 936 badworden = 0x0F;
937 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
938 ("efuse PG_STATE_HEADER\n"));
939
940 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
941 (efuse_data != 0xFF))
942 efuse_write_data_case1(hw, &efuse_addr,
943 efuse_data, offset,
32473284 944 &continual,
bc5892c9 945 &write_state, &target_pkt,
32473284 946 &repeat_times, &result,
0c817338
LF		 947 word_en);
948 else
949 efuse_write_data_case2(hw, &efuse_addr,
32473284 950 &continual,
0c817338
LF		 951 &write_state,
952 target_pkt,
953 &repeat_times,
32473284 954 &result);
0c817338
LF		 955
956 } else if (write_state == PG_STATE_DATA) {
957 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
958 ("efuse PG_STATE_DATA\n"));
0c817338
LF		 959 badworden =
960 efuse_word_enable_data_write(hw, efuse_addr + 1,
961 target_pkt.word_en,
962 target_pkt.data);
963
964 if ((badworden & 0x0F) == 0x0F) {
32473284 965 continual = false;
0c817338 966 } else {
32473284 967 efuse_addr += (2 * target_word_cnts) + 1;
0c817338
LF		 968
969 target_pkt.offset = offset;
970 target_pkt.word_en = badworden;
971 target_word_cnts =
972 efuse_calculate_word_cnts(target_pkt.
973 word_en);
974 write_state = PG_STATE_HEADER;
975 repeat_times++;
976 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
32473284
LF		 977 continual = false;
978 result = false;
0c817338
LF		 979 }
980 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
981 ("efuse PG_STATE_HEADER-3\n"));
982 }
983 }
984 }
985
986 if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
987 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
988 ("efuse_addr(%#x) Out of size!!\n", efuse_addr));
989 }
990
991 return true;
992}
993
994static void efuse_word_enable_data_read(u8 word_en,
995 u8 *sourdata, u8 *targetdata)
996{
997 if (!(word_en & BIT(0))) {
998 targetdata[0] = sourdata[0];
999 targetdata[1] = sourdata[1];
1000 }
1001
1002 if (!(word_en & BIT(1))) {
1003 targetdata[2] = sourdata[2];
1004 targetdata[3] = sourdata[3];
1005 }
1006
1007 if (!(word_en & BIT(2))) {
1008 targetdata[4] = sourdata[4];
1009 targetdata[5] = sourdata[5];
1010 }
1011
1012 if (!(word_en & BIT(3))) {
1013 targetdata[6] = sourdata[6];
1014 targetdata[7] = sourdata[7];
1015 }
1016}
1017
1018static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1019 u16 efuse_addr, u8 word_en, u8 *data)
1020{
1021 struct rtl_priv *rtlpriv = rtl_priv(hw);
1022 u16 tmpaddr;
1023 u16 start_addr = efuse_addr;
1024 u8 badworden = 0x0F;
1025 u8 tmpdata[8];
1026
6e9d592f 1027 memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
0c817338
LF		 1028 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1029 ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));
1030
1031 if (!(word_en & BIT(0))) {
1032 tmpaddr = start_addr;
1033 efuse_one_byte_write(hw, start_addr++, data[0]);
1034 efuse_one_byte_write(hw, start_addr++, data[1]);
1035
1036 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1037 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1038 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1039 badworden &= (~BIT(0));
1040 }
1041
1042 if (!(word_en & BIT(1))) {
1043 tmpaddr = start_addr;
1044 efuse_one_byte_write(hw, start_addr++, data[2]);
1045 efuse_one_byte_write(hw, start_addr++, data[3]);
1046
1047 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1048 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1049 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1050 badworden &= (~BIT(1));
1051 }
1052
1053 if (!(word_en & BIT(2))) {
1054 tmpaddr = start_addr;
1055 efuse_one_byte_write(hw, start_addr++, data[4]);
1056 efuse_one_byte_write(hw, start_addr++, data[5]);
1057
1058 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1059 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1060 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1061 badworden &= (~BIT(2));
1062 }
1063
1064 if (!(word_en & BIT(3))) {
1065 tmpaddr = start_addr;
1066 efuse_one_byte_write(hw, start_addr++, data[6]);
1067 efuse_one_byte_write(hw, start_addr++, data[7]);
1068
1069 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1070 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1071 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1072 badworden &= (~BIT(3));
1073 }
1074
1075 return badworden;
1076}
1077
32473284 1078static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
0c817338
LF		 1079{
1080 struct rtl_priv *rtlpriv = rtl_priv(hw);
e25f51d4 1081 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
0c817338
LF		 1082 u8 tempval;
1083 u16 tmpV16;
1084
e25f51d4
C		 1085 if (pwrstate && (rtlhal->hw_type !=
1086 HARDWARE_TYPE_RTL8192SE)) {
0c817338
LF		 1087 tmpV16 = rtl_read_word(rtlpriv,
1088 rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1089 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1090 tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1091 rtl_write_word(rtlpriv,
1092 rtlpriv->cfg->maps[SYS_ISO_CTRL],
1093 tmpV16);
1094 }
1095
1096 tmpV16 = rtl_read_word(rtlpriv,
1097 rtlpriv->cfg->maps[SYS_FUNC_EN]);
1098 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1099 tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1100 rtl_write_word(rtlpriv,
1101 rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1102 }
1103
1104 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1105 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1106 (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1107 tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1108 rtlpriv->cfg->maps[EFUSE_ANA8M]);
1109 rtl_write_word(rtlpriv,
1110 rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1111 }
1112 }
1113
32473284
LF		 1114 if (pwrstate) {
1115 if (write) {
0c817338
LF		 1116 tempval = rtl_read_byte(rtlpriv,
1117 rtlpriv->cfg->maps[EFUSE_TEST] +
1118 3);
e25f51d4
C		 1119
1120 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1121 tempval &= 0x0F;
1122 tempval |= (VOLTAGE_V25 << 4);
1123 }
1124
0c817338
LF		 1125 rtl_write_byte(rtlpriv,
1126 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1127 (tempval | 0x80));
1128 }
1129
e25f51d4
C		 1130 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1131 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1132 0x03);
1133 }
1134
0c817338 1135 } else {
32473284 1136 if (write) {
0c817338
LF		 1137 tempval = rtl_read_byte(rtlpriv,
1138 rtlpriv->cfg->maps[EFUSE_TEST] +
1139 3);
1140 rtl_write_byte(rtlpriv,
1141 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1142 (tempval & 0x7F));
1143 }
1144
e25f51d4
C		 1145 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1146 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1147 0x02);
1148 }
1149
0c817338
LF		 1150 }
1151
1152}
1153
1154static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1155{
32473284 1156 int continual = true;
0c817338
LF		 1157 u16 efuse_addr = 0;
1158 u8 hoffset, hworden;
1159 u8 efuse_data, word_cnts;
1160
32473284 1161 while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
0c817338
LF		 1162 && (efuse_addr < EFUSE_MAX_SIZE)) {
1163 if (efuse_data != 0xFF) {
1164 hoffset = (efuse_data >> 4) & 0x0F;
1165 hworden = efuse_data & 0x0F;
1166 word_cnts = efuse_calculate_word_cnts(hworden);
1167 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1168 } else {
32473284 1169 continual = false;
0c817338
LF		 1170 }
1171 }
1172
1173 return efuse_addr;
1174}
1175
1176static u8 efuse_calculate_word_cnts(u8 word_en)
1177{
1178 u8 word_cnts = 0;
1179 if (!(word_en & BIT(0)))
1180 word_cnts++;
1181 if (!(word_en & BIT(1)))
1182 word_cnts++;
1183 if (!(word_en & BIT(2)))
1184 word_cnts++;
1185 if (!(word_en & BIT(3)))
1186 word_cnts++;
1187 return word_cnts;
1188}
1189
Linux kernel - Deliverables
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