1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation.
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.
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
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
18 * Tme full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
33 static const u8 MAX_PGPKT_SIZE = 9;
34 static const u8 PGPKT_DATA_SIZE = 8;
35 static const int EFUSE_MAX_SIZE = 512;
37 static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
39 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
55 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset,
57 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
59 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
61 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
63 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
65 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
67 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
69 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
71 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
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,
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,
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,
84 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
85 static u8 efuse_calculate_word_cnts(u8 word_en);
87 void efuse_initialize(struct ieee80211_hw *hw)
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
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);
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);
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);
105 rtl_write_byte(rtlpriv, 0x2F8, 0x3);
107 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
111 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
113 struct rtl_priv *rtlpriv = rtl_priv(hw);
119 if (address < EFUSE_REAL_CONTENT_LEN) {
120 temp = address & 0xFF;
121 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
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,
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,
135 bytetemp = rtl_read_byte(rtlpriv,
136 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
137 while (!(bytetemp & 0x80)) {
138 bytetemp = rtl_read_byte(rtlpriv,
140 maps[EFUSE_CTRL] + 3);
147 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
153 EXPORT_SYMBOL(efuse_read_1byte);
155 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
157 struct rtl_priv *rtlpriv = rtl_priv(hw);
162 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
163 ("Addr=%x Data =%x\n", address, value));
165 if (address < EFUSE_REAL_CONTENT_LEN) {
166 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
168 temp = address & 0xFF;
169 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
171 bytetemp = rtl_read_byte(rtlpriv,
172 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
174 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
175 rtl_write_byte(rtlpriv,
176 rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
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);
184 bytetemp = rtl_read_byte(rtlpriv,
185 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
187 while (bytetemp & 0x80) {
188 bytetemp = rtl_read_byte(rtlpriv,
190 maps[EFUSE_CTRL] + 3);
201 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
203 struct rtl_priv *rtlpriv = rtl_priv(hw);
208 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
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));
214 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
215 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
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]);
227 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
229 *pbuf = (u8) (value32 & 0xff);
232 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
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];
242 u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT];
243 u16 efuse_utilized = 0;
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));
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;
257 read_efuse_byte(hw, efuse_addr, rtemp8);
258 if (*rtemp8 != 0xFF) {
260 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
261 ("Addr=%d\n", efuse_addr));
265 while ((*rtemp8 != 0xFF) && (efuse_addr < EFUSE_REAL_CONTENT_LEN)) {
266 offset = ((*rtemp8 >> 4) & 0x0f);
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));
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",
279 read_efuse_byte(hw, efuse_addr, rtemp8);
282 efuse_word[offset][i] = (*rtemp8 & 0xff);
284 if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
287 RTPRINT(rtlpriv, FEEPROM,
288 EFUSE_READ_ALL, ("Addr=%d\n",
291 read_efuse_byte(hw, efuse_addr, rtemp8);
294 efuse_word[offset][i] |=
295 (((u16)*rtemp8 << 8) & 0xff00);
297 if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
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)) {
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);
323 for (i = 0; i < _size_byte; i++)
324 pbuf[i] = efuse_tbl[_offset + i];
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,
335 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
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;
343 for (section_idx = 0; section_idx < 16; section_idx++) {
344 Base = section_idx * 8;
345 bwordchanged = false;
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 +
358 if (bwordchanged == true)
362 totalbytes = hdr_num + words_need * 2;
363 efuse_used = rtlefuse->efuse_usedbytes;
365 if ((totalbytes + efuse_used) >=
366 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
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));
377 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
378 u16 offset, u32 *value)
381 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
383 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
385 efuse_shadow_read_4byte(hw, offset, (u32 *) value);
389 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
393 efuse_shadow_write_1byte(hw, offset, (u8) value);
395 efuse_shadow_write_2byte(hw, offset, (u16) value);
397 efuse_shadow_write_4byte(hw, offset, (u32) value);
401 bool efuse_shadow_update(struct ieee80211_hw *hw)
403 struct rtl_priv *rtlpriv = rtl_priv(hw);
404 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
409 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
411 if (!efuse_shadow_update_chk(hw)) {
412 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
413 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
414 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
415 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
417 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
418 ("<---efuse out of capacity!!\n"));
421 efuse_power_switch(hw, true, true);
423 for (offset = 0; offset < 16; offset++) {
428 for (i = 0; i < 8; i++) {
429 if (first_pg == true) {
431 word_en &= ~(BIT(i / 2));
433 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
434 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
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));
441 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
442 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
447 if (word_en != 0x0F) {
450 &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
452 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
453 ("U-efuse\n"), tmpdata, 8);
455 if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
457 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
458 ("PG section(%#x) fail!!\n", offset));
465 efuse_power_switch(hw, true, false);
466 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
468 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
469 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
470 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
472 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
476 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
478 struct rtl_priv *rtlpriv = rtl_priv(hw);
479 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
481 if (rtlefuse->autoload_failflag == true) {
482 memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF, 128);
484 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
486 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
487 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
488 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
491 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
493 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
495 u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
497 efuse_power_switch(hw, true, true);
499 efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
501 efuse_power_switch(hw, true, false);
505 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
509 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
510 u16 offset, u8 *value)
512 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
513 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
516 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
517 u16 offset, u16 *value)
519 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
521 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
522 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
526 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
527 u16 offset, u32 *value)
529 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
531 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
532 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
533 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
534 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
537 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
538 u16 offset, u8 value)
540 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
542 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
545 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
546 u16 offset, u16 value)
548 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
550 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
551 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
555 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
556 u16 offset, u32 value)
558 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
560 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
561 (u8) (value & 0x000000FF);
562 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
563 (u8) ((value >> 8) & 0x0000FF);
564 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
565 (u8) ((value >> 16) & 0x00FF);
566 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
567 (u8) ((value >> 24) & 0xFF);
571 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
573 struct rtl_priv *rtlpriv = rtl_priv(hw);
577 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
579 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
580 ((u8) ((addr >> 8) & 0x03)) |
581 (rtl_read_byte(rtlpriv,
582 rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
585 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
587 while (!(0x80 & rtl_read_byte(rtlpriv,
588 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
594 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
603 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
605 struct rtl_priv *rtlpriv = rtl_priv(hw);
609 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
610 ("Addr = %x Data=%x\n", addr, data));
612 rtl_write_byte(rtlpriv,
613 rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
614 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
615 (rtl_read_byte(rtlpriv,
616 rtlpriv->cfg->maps[EFUSE_CTRL] +
617 2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
619 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
620 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
622 while ((0x80 & rtl_read_byte(rtlpriv,
623 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
636 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
638 efuse_power_switch(hw, false, true);
639 read_efuse(hw, 0, 128, efuse);
640 efuse_power_switch(hw, false, false);
643 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
644 u8 efuse_data, u8 offset, u8 *tmpdata,
647 bool bdataempty = true;
653 hoffset = (efuse_data >> 4) & 0x0F;
654 hworden = efuse_data & 0x0F;
655 word_cnts = efuse_calculate_word_cnts(hworden);
657 if (hoffset == offset) {
658 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
659 if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
661 tmpdata[tmpidx] = efuse_data;
662 if (efuse_data != 0xff)
667 if (bdataempty == true)
668 *readstate = PG_STATE_DATA;
670 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
671 *readstate = PG_STATE_HEADER;
675 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
676 *readstate = PG_STATE_HEADER;
680 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
682 u8 readstate = PG_STATE_HEADER;
684 bool bcontinual = true;
686 u8 efuse_data, word_cnts = 0;
696 memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
697 memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
699 while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) {
700 if (readstate & PG_STATE_HEADER) {
701 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
702 && (efuse_data != 0xFF))
703 efuse_read_data_case1(hw, &efuse_addr,
709 } else if (readstate & PG_STATE_DATA) {
710 efuse_word_enable_data_read(hworden, tmpdata, data);
711 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
712 readstate = PG_STATE_HEADER;
717 if ((data[0] == 0xff) && (data[1] == 0xff) &&
718 (data[2] == 0xff) && (data[3] == 0xff) &&
719 (data[4] == 0xff) && (data[5] == 0xff) &&
720 (data[6] == 0xff) && (data[7] == 0xff))
727 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
728 u8 efuse_data, u8 offset, int *bcontinual,
729 u8 *write_state, struct pgpkt_struct *target_pkt,
730 int *repeat_times, int *bresult, u8 word_en)
732 struct rtl_priv *rtlpriv = rtl_priv(hw);
733 struct pgpkt_struct tmp_pkt;
734 int bdataempty = true;
735 u8 originaldata[8 * sizeof(u8)];
737 u8 match_word_en, tmp_word_en;
739 u8 tmp_header = efuse_data;
742 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
743 tmp_pkt.word_en = tmp_header & 0x0F;
744 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
746 if (tmp_pkt.offset != target_pkt->offset) {
747 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
748 *write_state = PG_STATE_HEADER;
750 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
751 u16 address = *efuse_addr + 1 + tmpindex;
752 if (efuse_one_byte_read(hw, address,
753 &efuse_data) && (efuse_data != 0xFF))
757 if (bdataempty == false) {
758 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
759 *write_state = PG_STATE_HEADER;
761 match_word_en = 0x0F;
762 if (!((target_pkt->word_en & BIT(0)) |
763 (tmp_pkt.word_en & BIT(0))))
764 match_word_en &= (~BIT(0));
766 if (!((target_pkt->word_en & BIT(1)) |
767 (tmp_pkt.word_en & BIT(1))))
768 match_word_en &= (~BIT(1));
770 if (!((target_pkt->word_en & BIT(2)) |
771 (tmp_pkt.word_en & BIT(2))))
772 match_word_en &= (~BIT(2));
774 if (!((target_pkt->word_en & BIT(3)) |
775 (tmp_pkt.word_en & BIT(3))))
776 match_word_en &= (~BIT(3));
778 if ((match_word_en & 0x0F) != 0x0F) {
779 badworden = efuse_word_enable_data_write(
784 if (0x0F != (badworden & 0x0F)) {
785 u8 reorg_offset = offset;
786 u8 reorg_worden = badworden;
787 efuse_pg_packet_write(hw, reorg_offset,
793 if ((target_pkt->word_en & BIT(0)) ^
794 (match_word_en & BIT(0)))
795 tmp_word_en &= (~BIT(0));
797 if ((target_pkt->word_en & BIT(1)) ^
798 (match_word_en & BIT(1)))
799 tmp_word_en &= (~BIT(1));
801 if ((target_pkt->word_en & BIT(2)) ^
802 (match_word_en & BIT(2)))
803 tmp_word_en &= (~BIT(2));
805 if ((target_pkt->word_en & BIT(3)) ^
806 (match_word_en & BIT(3)))
807 tmp_word_en &= (~BIT(3));
809 if ((tmp_word_en & 0x0F) != 0x0F) {
810 *efuse_addr = efuse_get_current_size(hw);
811 target_pkt->offset = offset;
812 target_pkt->word_en = tmp_word_en;
815 *write_state = PG_STATE_HEADER;
817 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
822 *efuse_addr += (2 * tmp_word_cnts) + 1;
823 target_pkt->offset = offset;
824 target_pkt->word_en = word_en;
825 *write_state = PG_STATE_HEADER;
829 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
832 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
833 int *bcontinual, u8 *write_state,
834 struct pgpkt_struct target_pkt,
835 int *repeat_times, int *bresult)
837 struct rtl_priv *rtlpriv = rtl_priv(hw);
838 struct pgpkt_struct tmp_pkt;
841 u8 originaldata[8 * sizeof(u8)];
845 pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
846 efuse_one_byte_write(hw, *efuse_addr, pg_header);
847 efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
849 if (tmp_header == pg_header)
850 *write_state = PG_STATE_DATA;
851 else if (tmp_header == 0xFF) {
852 *write_state = PG_STATE_HEADER;
854 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
859 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
860 tmp_pkt.word_en = tmp_header & 0x0F;
862 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
864 memset(originaldata, 0xff, 8 * sizeof(u8));
866 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
867 badworden = efuse_word_enable_data_write(hw,
868 *efuse_addr + 1, tmp_pkt.word_en,
871 if (0x0F != (badworden & 0x0F)) {
872 u8 reorg_offset = tmp_pkt.offset;
873 u8 reorg_worden = badworden;
874 efuse_pg_packet_write(hw, reorg_offset,
877 *efuse_addr = efuse_get_current_size(hw);
879 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
882 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
884 *write_state = PG_STATE_HEADER;
886 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
891 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
892 ("efuse PG_STATE_HEADER-2\n"));
896 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
897 u8 offset, u8 word_en, u8 *data)
899 struct rtl_priv *rtlpriv = rtl_priv(hw);
900 struct pgpkt_struct target_pkt;
901 u8 write_state = PG_STATE_HEADER;
902 int bcontinual = true, bdataempty = true, bresult = true;
905 u8 target_word_cnts = 0;
907 static int repeat_times;
909 if (efuse_get_current_size(hw) >=
910 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
911 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
912 ("efuse_pg_packet_write error\n"));
916 target_pkt.offset = offset;
917 target_pkt.word_en = word_en;
919 memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
921 efuse_word_enable_data_read(word_en, data, target_pkt.data);
922 target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
924 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n"));
926 while (bcontinual && (efuse_addr <
927 (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
929 if (write_state == PG_STATE_HEADER) {
932 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
933 ("efuse PG_STATE_HEADER\n"));
935 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
936 (efuse_data != 0xFF))
937 efuse_write_data_case1(hw, &efuse_addr,
940 &write_state, &target_pkt,
941 &repeat_times, &bresult,
944 efuse_write_data_case2(hw, &efuse_addr,
951 } else if (write_state == PG_STATE_DATA) {
952 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
953 ("efuse PG_STATE_DATA\n"));
956 efuse_word_enable_data_write(hw, efuse_addr + 1,
960 if ((badworden & 0x0F) == 0x0F) {
964 efuse_addr + (2 * target_word_cnts) + 1;
966 target_pkt.offset = offset;
967 target_pkt.word_en = badworden;
969 efuse_calculate_word_cnts(target_pkt.
971 write_state = PG_STATE_HEADER;
973 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
977 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
978 ("efuse PG_STATE_HEADER-3\n"));
983 if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
984 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
985 ("efuse_addr(%#x) Out of size!!\n", efuse_addr));
991 static void efuse_word_enable_data_read(u8 word_en,
992 u8 *sourdata, u8 *targetdata)
994 if (!(word_en & BIT(0))) {
995 targetdata[0] = sourdata[0];
996 targetdata[1] = sourdata[1];
999 if (!(word_en & BIT(1))) {
1000 targetdata[2] = sourdata[2];
1001 targetdata[3] = sourdata[3];
1004 if (!(word_en & BIT(2))) {
1005 targetdata[4] = sourdata[4];
1006 targetdata[5] = sourdata[5];
1009 if (!(word_en & BIT(3))) {
1010 targetdata[6] = sourdata[6];
1011 targetdata[7] = sourdata[7];
1015 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1016 u16 efuse_addr, u8 word_en, u8 *data)
1018 struct rtl_priv *rtlpriv = rtl_priv(hw);
1020 u16 start_addr = efuse_addr;
1021 u8 badworden = 0x0F;
1024 memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1025 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1026 ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));
1028 if (!(word_en & BIT(0))) {
1029 tmpaddr = start_addr;
1030 efuse_one_byte_write(hw, start_addr++, data[0]);
1031 efuse_one_byte_write(hw, start_addr++, data[1]);
1033 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1034 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1035 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1036 badworden &= (~BIT(0));
1039 if (!(word_en & BIT(1))) {
1040 tmpaddr = start_addr;
1041 efuse_one_byte_write(hw, start_addr++, data[2]);
1042 efuse_one_byte_write(hw, start_addr++, data[3]);
1044 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1045 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1046 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1047 badworden &= (~BIT(1));
1050 if (!(word_en & BIT(2))) {
1051 tmpaddr = start_addr;
1052 efuse_one_byte_write(hw, start_addr++, data[4]);
1053 efuse_one_byte_write(hw, start_addr++, data[5]);
1055 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1056 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1057 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1058 badworden &= (~BIT(2));
1061 if (!(word_en & BIT(3))) {
1062 tmpaddr = start_addr;
1063 efuse_one_byte_write(hw, start_addr++, data[6]);
1064 efuse_one_byte_write(hw, start_addr++, data[7]);
1066 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1067 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1068 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1069 badworden &= (~BIT(3));
1075 static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite, u8 pwrstate)
1077 struct rtl_priv *rtlpriv = rtl_priv(hw);
1081 if (pwrstate == true) {
1082 tmpV16 = rtl_read_word(rtlpriv,
1083 rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1084 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1085 tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1086 rtl_write_word(rtlpriv,
1087 rtlpriv->cfg->maps[SYS_ISO_CTRL],
1091 tmpV16 = rtl_read_word(rtlpriv,
1092 rtlpriv->cfg->maps[SYS_FUNC_EN]);
1093 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1094 tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1095 rtl_write_word(rtlpriv,
1096 rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1099 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1100 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1101 (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1102 tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1103 rtlpriv->cfg->maps[EFUSE_ANA8M]);
1104 rtl_write_word(rtlpriv,
1105 rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1109 if (pwrstate == true) {
1110 if (bwrite == true) {
1111 tempval = rtl_read_byte(rtlpriv,
1112 rtlpriv->cfg->maps[EFUSE_TEST] +
1115 tempval |= (VOLTAGE_V25 << 4);
1116 rtl_write_byte(rtlpriv,
1117 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1122 if (bwrite == true) {
1123 tempval = rtl_read_byte(rtlpriv,
1124 rtlpriv->cfg->maps[EFUSE_TEST] +
1126 rtl_write_byte(rtlpriv,
1127 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1135 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1137 int bcontinual = true;
1139 u8 hoffset, hworden;
1140 u8 efuse_data, word_cnts;
1142 while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
1143 && (efuse_addr < EFUSE_MAX_SIZE)) {
1144 if (efuse_data != 0xFF) {
1145 hoffset = (efuse_data >> 4) & 0x0F;
1146 hworden = efuse_data & 0x0F;
1147 word_cnts = efuse_calculate_word_cnts(hworden);
1148 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1157 static u8 efuse_calculate_word_cnts(u8 word_en)
1160 if (!(word_en & BIT(0)))
1162 if (!(word_en & BIT(1)))
1164 if (!(word_en & BIT(2)))
1166 if (!(word_en & BIT(3)))