1 /******************************************************************************
3 * Copyright(c) 2009-2012 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 * Tme full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
28 #include <linux/export.h>
30 static const u8 MAX_PGPKT_SIZE = 9;
31 static const u8 PGPKT_DATA_SIZE = 8;
32 static const int EFUSE_MAX_SIZE = 512;
34 #define START_ADDRESS 0x1000
35 #define REG_MCUFWDL 0x0080
37 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
53 static const struct rtl_efuse_ops efuse_ops = {
54 .efuse_onebyte_read = efuse_one_byte_read,
55 .efuse_logical_map_read = efuse_shadow_read,
58 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
60 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
62 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
64 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
66 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
68 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
70 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
72 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
73 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
75 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
76 u8 word_en, u8 *data);
77 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
79 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
80 u16 efuse_addr, u8 word_en, u8 *data);
81 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
82 static u8 efuse_calculate_word_cnts(u8 word_en);
84 void efuse_initialize(struct ieee80211_hw *hw)
86 struct rtl_priv *rtlpriv = rtl_priv(hw);
90 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
91 temp = bytetemp | 0x20;
92 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
94 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
95 temp = bytetemp & 0xFE;
96 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
98 bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
99 temp = bytetemp | 0x80;
100 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
102 rtl_write_byte(rtlpriv, 0x2F8, 0x3);
104 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
108 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
110 struct rtl_priv *rtlpriv = rtl_priv(hw);
115 const u32 efuse_len =
116 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
118 if (address < efuse_len) {
119 temp = address & 0xFF;
120 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
122 bytetemp = rtl_read_byte(rtlpriv,
123 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
124 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
125 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
128 bytetemp = rtl_read_byte(rtlpriv,
129 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
130 temp = bytetemp & 0x7F;
131 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
134 bytetemp = rtl_read_byte(rtlpriv,
135 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
136 while (!(bytetemp & 0x80)) {
137 bytetemp = rtl_read_byte(rtlpriv,
139 maps[EFUSE_CTRL] + 3);
146 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
152 EXPORT_SYMBOL(efuse_read_1byte);
154 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
156 struct rtl_priv *rtlpriv = rtl_priv(hw);
160 const u32 efuse_len =
161 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
163 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
166 if (address < efuse_len) {
167 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
169 temp = address & 0xFF;
170 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
172 bytetemp = rtl_read_byte(rtlpriv,
173 rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
175 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
176 rtl_write_byte(rtlpriv,
177 rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
179 bytetemp = rtl_read_byte(rtlpriv,
180 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
181 temp = bytetemp | 0x80;
182 rtl_write_byte(rtlpriv,
183 rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
185 bytetemp = rtl_read_byte(rtlpriv,
186 rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
188 while (bytetemp & 0x80) {
189 bytetemp = rtl_read_byte(rtlpriv,
191 maps[EFUSE_CTRL] + 3);
202 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
204 struct rtl_priv *rtlpriv = rtl_priv(hw);
209 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
211 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
212 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
213 ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
215 readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
216 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
220 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
221 while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
222 value32 = rtl_read_dword(rtlpriv,
223 rtlpriv->cfg->maps[EFUSE_CTRL]);
228 value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
230 *pbuf = (u8) (value32 & 0xff);
232 EXPORT_SYMBOL_GPL(read_efuse_byte);
234 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
236 struct rtl_priv *rtlpriv = rtl_priv(hw);
237 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
245 const u16 efuse_max_section =
246 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
247 const u32 efuse_len =
248 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
250 u16 efuse_utilized = 0;
253 if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
254 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
255 "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
256 _offset, _size_byte);
260 /* allocate memory for efuse_tbl and efuse_word */
261 efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE],
265 efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC);
268 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
269 efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16),
275 for (i = 0; i < efuse_max_section; i++)
276 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
277 efuse_word[j][i] = 0xFFFF;
279 read_efuse_byte(hw, efuse_addr, rtemp8);
280 if (*rtemp8 != 0xFF) {
282 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
283 "Addr=%d\n", efuse_addr);
287 while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
288 /* Check PG header for section num. */
289 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
290 u1temp = ((*rtemp8 & 0xE0) >> 5);
291 read_efuse_byte(hw, efuse_addr, rtemp8);
293 if ((*rtemp8 & 0x0F) == 0x0F) {
295 read_efuse_byte(hw, efuse_addr, rtemp8);
297 if (*rtemp8 != 0xFF &&
298 (efuse_addr < efuse_len)) {
303 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
304 wren = (*rtemp8 & 0x0F);
308 offset = ((*rtemp8 >> 4) & 0x0f);
309 wren = (*rtemp8 & 0x0f);
312 if (offset < efuse_max_section) {
313 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
314 "offset-%d Worden=%x\n", offset, wren);
316 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
317 if (!(wren & 0x01)) {
318 RTPRINT(rtlpriv, FEEPROM,
320 "Addr=%d\n", efuse_addr);
322 read_efuse_byte(hw, efuse_addr, rtemp8);
325 efuse_word[i][offset] =
328 if (efuse_addr >= efuse_len)
331 RTPRINT(rtlpriv, FEEPROM,
333 "Addr=%d\n", efuse_addr);
335 read_efuse_byte(hw, efuse_addr, rtemp8);
338 efuse_word[i][offset] |=
339 (((u16)*rtemp8 << 8) & 0xff00);
341 if (efuse_addr >= efuse_len)
349 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
350 "Addr=%d\n", efuse_addr);
351 read_efuse_byte(hw, efuse_addr, rtemp8);
352 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
358 for (i = 0; i < efuse_max_section; i++) {
359 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
360 efuse_tbl[(i * 8) + (j * 2)] =
361 (efuse_word[j][i] & 0xff);
362 efuse_tbl[(i * 8) + ((j * 2) + 1)] =
363 ((efuse_word[j][i] >> 8) & 0xff);
367 for (i = 0; i < _size_byte; i++)
368 pbuf[i] = efuse_tbl[_offset + i];
370 rtlefuse->efuse_usedbytes = efuse_utilized;
371 efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
372 rtlefuse->efuse_usedpercentage = efuse_usage;
373 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
374 (u8 *)&efuse_utilized);
375 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
378 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
379 kfree(efuse_word[i]);
385 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
387 struct rtl_priv *rtlpriv = rtl_priv(hw);
388 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
389 u8 section_idx, i, Base;
390 u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
391 bool wordchanged, result = true;
393 for (section_idx = 0; section_idx < 16; section_idx++) {
394 Base = section_idx * 8;
397 for (i = 0; i < 8; i = i + 2) {
398 if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
399 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
400 (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
401 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
412 totalbytes = hdr_num + words_need * 2;
413 efuse_used = rtlefuse->efuse_usedbytes;
415 if ((totalbytes + efuse_used) >=
416 (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
419 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
420 "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
421 totalbytes, hdr_num, words_need, efuse_used);
426 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
427 u16 offset, u32 *value)
430 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
432 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
434 efuse_shadow_read_4byte(hw, offset, value);
437 EXPORT_SYMBOL(efuse_shadow_read);
439 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
443 efuse_shadow_write_1byte(hw, offset, (u8) value);
445 efuse_shadow_write_2byte(hw, offset, (u16) value);
447 efuse_shadow_write_4byte(hw, offset, value);
451 bool efuse_shadow_update(struct ieee80211_hw *hw)
453 struct rtl_priv *rtlpriv = rtl_priv(hw);
454 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
459 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
461 if (!efuse_shadow_update_chk(hw)) {
462 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
463 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
464 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
465 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
467 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
468 "efuse out of capacity!!\n");
471 efuse_power_switch(hw, true, true);
473 for (offset = 0; offset < 16; offset++) {
478 for (i = 0; i < 8; i++) {
480 word_en &= ~(BIT(i / 2));
482 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
483 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
486 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
487 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
488 word_en &= ~(BIT(i / 2));
490 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
491 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
496 if (word_en != 0x0F) {
499 &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
501 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
502 "U-efuse\n", tmpdata, 8);
504 if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
506 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
507 "PG section(%#x) fail!!\n", offset);
514 efuse_power_switch(hw, true, false);
515 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
517 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
518 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
519 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
521 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
525 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
527 struct rtl_priv *rtlpriv = rtl_priv(hw);
528 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
530 if (rtlefuse->autoload_failflag)
531 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
532 0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
534 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
536 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
537 &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
538 rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
541 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
543 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
545 u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
547 efuse_power_switch(hw, true, true);
549 efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
551 efuse_power_switch(hw, true, false);
555 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
559 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
560 u16 offset, u8 *value)
562 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
563 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
566 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
567 u16 offset, u16 *value)
569 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
571 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
572 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
576 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
577 u16 offset, u32 *value)
579 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
581 *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
582 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
583 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
584 *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
587 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
588 u16 offset, u8 value)
590 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
592 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
595 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
596 u16 offset, u16 value)
598 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
600 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
601 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
605 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
606 u16 offset, u32 value)
608 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
610 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
611 (u8) (value & 0x000000FF);
612 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
613 (u8) ((value >> 8) & 0x0000FF);
614 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
615 (u8) ((value >> 16) & 0x00FF);
616 rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
617 (u8) ((value >> 24) & 0xFF);
621 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
623 struct rtl_priv *rtlpriv = rtl_priv(hw);
627 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
629 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
630 ((u8) ((addr >> 8) & 0x03)) |
631 (rtl_read_byte(rtlpriv,
632 rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
635 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
637 while (!(0x80 & rtl_read_byte(rtlpriv,
638 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
644 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
652 EXPORT_SYMBOL(efuse_one_byte_read);
654 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
656 struct rtl_priv *rtlpriv = rtl_priv(hw);
659 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
660 "Addr = %x Data=%x\n", addr, data);
662 rtl_write_byte(rtlpriv,
663 rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
664 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
665 (rtl_read_byte(rtlpriv,
666 rtlpriv->cfg->maps[EFUSE_CTRL] +
667 2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
669 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
670 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
672 while ((0x80 & rtl_read_byte(rtlpriv,
673 rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
683 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
685 struct rtl_priv *rtlpriv = rtl_priv(hw);
686 efuse_power_switch(hw, false, true);
687 read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
688 efuse_power_switch(hw, false, false);
691 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
692 u8 efuse_data, u8 offset, u8 *tmpdata,
695 bool dataempty = true;
701 hoffset = (efuse_data >> 4) & 0x0F;
702 hworden = efuse_data & 0x0F;
703 word_cnts = efuse_calculate_word_cnts(hworden);
705 if (hoffset == offset) {
706 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
707 if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
709 tmpdata[tmpidx] = efuse_data;
710 if (efuse_data != 0xff)
716 *readstate = PG_STATE_DATA;
718 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
719 *readstate = PG_STATE_HEADER;
723 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
724 *readstate = PG_STATE_HEADER;
728 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
730 u8 readstate = PG_STATE_HEADER;
732 bool continual = true;
734 u8 efuse_data, word_cnts = 0;
743 memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
744 memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
746 while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
747 if (readstate & PG_STATE_HEADER) {
748 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
749 && (efuse_data != 0xFF))
750 efuse_read_data_case1(hw, &efuse_addr,
752 tmpdata, &readstate);
755 } else if (readstate & PG_STATE_DATA) {
756 efuse_word_enable_data_read(0, tmpdata, data);
757 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
758 readstate = PG_STATE_HEADER;
763 if ((data[0] == 0xff) && (data[1] == 0xff) &&
764 (data[2] == 0xff) && (data[3] == 0xff) &&
765 (data[4] == 0xff) && (data[5] == 0xff) &&
766 (data[6] == 0xff) && (data[7] == 0xff))
773 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
774 u8 efuse_data, u8 offset,
775 int *continual, u8 *write_state,
776 struct pgpkt_struct *target_pkt,
777 int *repeat_times, int *result, u8 word_en)
779 struct rtl_priv *rtlpriv = rtl_priv(hw);
780 struct pgpkt_struct tmp_pkt;
781 int dataempty = true;
782 u8 originaldata[8 * sizeof(u8)];
784 u8 match_word_en, tmp_word_en;
786 u8 tmp_header = efuse_data;
789 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
790 tmp_pkt.word_en = tmp_header & 0x0F;
791 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
793 if (tmp_pkt.offset != target_pkt->offset) {
794 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
795 *write_state = PG_STATE_HEADER;
797 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
798 if (efuse_one_byte_read(hw,
799 (*efuse_addr + 1 + tmpindex),
801 (efuse_data != 0xFF))
806 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
807 *write_state = PG_STATE_HEADER;
809 match_word_en = 0x0F;
810 if (!((target_pkt->word_en & BIT(0)) |
811 (tmp_pkt.word_en & BIT(0))))
812 match_word_en &= (~BIT(0));
814 if (!((target_pkt->word_en & BIT(1)) |
815 (tmp_pkt.word_en & BIT(1))))
816 match_word_en &= (~BIT(1));
818 if (!((target_pkt->word_en & BIT(2)) |
819 (tmp_pkt.word_en & BIT(2))))
820 match_word_en &= (~BIT(2));
822 if (!((target_pkt->word_en & BIT(3)) |
823 (tmp_pkt.word_en & BIT(3))))
824 match_word_en &= (~BIT(3));
826 if ((match_word_en & 0x0F) != 0x0F) {
828 enable_efuse_data_write(hw,
833 if (0x0F != (badworden & 0x0F)) {
834 u8 reorg_offset = offset;
835 u8 reorg_worden = badworden;
836 efuse_pg_packet_write(hw, reorg_offset,
842 if ((target_pkt->word_en & BIT(0)) ^
843 (match_word_en & BIT(0)))
844 tmp_word_en &= (~BIT(0));
846 if ((target_pkt->word_en & BIT(1)) ^
847 (match_word_en & BIT(1)))
848 tmp_word_en &= (~BIT(1));
850 if ((target_pkt->word_en & BIT(2)) ^
851 (match_word_en & BIT(2)))
852 tmp_word_en &= (~BIT(2));
854 if ((target_pkt->word_en & BIT(3)) ^
855 (match_word_en & BIT(3)))
856 tmp_word_en &= (~BIT(3));
858 if ((tmp_word_en & 0x0F) != 0x0F) {
859 *efuse_addr = efuse_get_current_size(hw);
860 target_pkt->offset = offset;
861 target_pkt->word_en = tmp_word_en;
865 *write_state = PG_STATE_HEADER;
867 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
872 *efuse_addr += (2 * tmp_word_cnts) + 1;
873 target_pkt->offset = offset;
874 target_pkt->word_en = word_en;
875 *write_state = PG_STATE_HEADER;
879 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
882 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
883 int *continual, u8 *write_state,
884 struct pgpkt_struct target_pkt,
885 int *repeat_times, int *result)
887 struct rtl_priv *rtlpriv = rtl_priv(hw);
888 struct pgpkt_struct tmp_pkt;
891 u8 originaldata[8 * sizeof(u8)];
895 pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
896 efuse_one_byte_write(hw, *efuse_addr, pg_header);
897 efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
899 if (tmp_header == pg_header) {
900 *write_state = PG_STATE_DATA;
901 } else if (tmp_header == 0xFF) {
902 *write_state = PG_STATE_HEADER;
904 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
909 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
910 tmp_pkt.word_en = tmp_header & 0x0F;
912 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
914 memset(originaldata, 0xff, 8 * sizeof(u8));
916 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
917 badworden = enable_efuse_data_write(hw,
922 if (0x0F != (badworden & 0x0F)) {
923 u8 reorg_offset = tmp_pkt.offset;
924 u8 reorg_worden = badworden;
925 efuse_pg_packet_write(hw, reorg_offset,
928 *efuse_addr = efuse_get_current_size(hw);
930 *efuse_addr = *efuse_addr +
931 (tmp_word_cnts * 2) + 1;
934 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
937 *write_state = PG_STATE_HEADER;
939 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
944 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
945 "efuse PG_STATE_HEADER-2\n");
949 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
950 u8 offset, u8 word_en, u8 *data)
952 struct rtl_priv *rtlpriv = rtl_priv(hw);
953 struct pgpkt_struct target_pkt;
954 u8 write_state = PG_STATE_HEADER;
955 int continual = true, dataempty = true, result = true;
958 u8 target_word_cnts = 0;
960 static int repeat_times;
962 if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
963 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
964 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
965 "efuse_pg_packet_write error\n");
969 target_pkt.offset = offset;
970 target_pkt.word_en = word_en;
972 memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
974 efuse_word_enable_data_read(word_en, data, target_pkt.data);
975 target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
977 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
979 while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
980 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
982 if (write_state == PG_STATE_HEADER) {
985 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
986 "efuse PG_STATE_HEADER\n");
988 if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
989 (efuse_data != 0xFF))
990 efuse_write_data_case1(hw, &efuse_addr,
995 &repeat_times, &result,
998 efuse_write_data_case2(hw, &efuse_addr,
1005 } else if (write_state == PG_STATE_DATA) {
1006 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1007 "efuse PG_STATE_DATA\n");
1010 enable_efuse_data_write(hw, efuse_addr + 1,
1014 if ((badworden & 0x0F) == 0x0F) {
1018 efuse_addr + (2 * target_word_cnts) + 1;
1020 target_pkt.offset = offset;
1021 target_pkt.word_en = badworden;
1023 efuse_calculate_word_cnts(target_pkt.
1025 write_state = PG_STATE_HEADER;
1027 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1031 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1032 "efuse PG_STATE_HEADER-3\n");
1037 if (efuse_addr >= (EFUSE_MAX_SIZE -
1038 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1039 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1040 "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1046 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1049 if (!(word_en & BIT(0))) {
1050 targetdata[0] = sourdata[0];
1051 targetdata[1] = sourdata[1];
1054 if (!(word_en & BIT(1))) {
1055 targetdata[2] = sourdata[2];
1056 targetdata[3] = sourdata[3];
1059 if (!(word_en & BIT(2))) {
1060 targetdata[4] = sourdata[4];
1061 targetdata[5] = sourdata[5];
1064 if (!(word_en & BIT(3))) {
1065 targetdata[6] = sourdata[6];
1066 targetdata[7] = sourdata[7];
1070 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1071 u16 efuse_addr, u8 word_en, u8 *data)
1073 struct rtl_priv *rtlpriv = rtl_priv(hw);
1075 u16 start_addr = efuse_addr;
1076 u8 badworden = 0x0F;
1079 memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1080 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1081 "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1083 if (!(word_en & BIT(0))) {
1084 tmpaddr = start_addr;
1085 efuse_one_byte_write(hw, start_addr++, data[0]);
1086 efuse_one_byte_write(hw, start_addr++, data[1]);
1088 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1089 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1090 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1091 badworden &= (~BIT(0));
1094 if (!(word_en & BIT(1))) {
1095 tmpaddr = start_addr;
1096 efuse_one_byte_write(hw, start_addr++, data[2]);
1097 efuse_one_byte_write(hw, start_addr++, data[3]);
1099 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1100 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1101 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1102 badworden &= (~BIT(1));
1105 if (!(word_en & BIT(2))) {
1106 tmpaddr = start_addr;
1107 efuse_one_byte_write(hw, start_addr++, data[4]);
1108 efuse_one_byte_write(hw, start_addr++, data[5]);
1110 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1111 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1112 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1113 badworden &= (~BIT(2));
1116 if (!(word_en & BIT(3))) {
1117 tmpaddr = start_addr;
1118 efuse_one_byte_write(hw, start_addr++, data[6]);
1119 efuse_one_byte_write(hw, start_addr++, data[7]);
1121 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1122 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1123 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1124 badworden &= (~BIT(3));
1130 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1132 struct rtl_priv *rtlpriv = rtl_priv(hw);
1133 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1137 if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1139 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1140 rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1141 rtl_write_byte(rtlpriv,
1142 rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1145 rtl_read_word(rtlpriv,
1146 rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1147 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1148 tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1149 rtl_write_word(rtlpriv,
1150 rtlpriv->cfg->maps[SYS_ISO_CTRL],
1154 tmpV16 = rtl_read_word(rtlpriv,
1155 rtlpriv->cfg->maps[SYS_FUNC_EN]);
1156 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1157 tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1158 rtl_write_word(rtlpriv,
1159 rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1162 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1163 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1164 (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1165 tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1166 rtlpriv->cfg->maps[EFUSE_ANA8M]);
1167 rtl_write_word(rtlpriv,
1168 rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1174 tempval = rtl_read_byte(rtlpriv,
1175 rtlpriv->cfg->maps[EFUSE_TEST] +
1178 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1179 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1180 tempval |= (VOLTAGE_V25 << 3);
1181 } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1183 tempval |= (VOLTAGE_V25 << 4);
1186 rtl_write_byte(rtlpriv,
1187 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1191 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1192 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1196 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1197 rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1198 rtl_write_byte(rtlpriv,
1199 rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1202 tempval = rtl_read_byte(rtlpriv,
1203 rtlpriv->cfg->maps[EFUSE_TEST] +
1205 rtl_write_byte(rtlpriv,
1206 rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1210 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1211 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1216 EXPORT_SYMBOL(efuse_power_switch);
1218 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1220 int continual = true;
1222 u8 hoffset, hworden;
1223 u8 efuse_data, word_cnts;
1225 while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1226 (efuse_addr < EFUSE_MAX_SIZE)) {
1227 if (efuse_data != 0xFF) {
1228 hoffset = (efuse_data >> 4) & 0x0F;
1229 hworden = efuse_data & 0x0F;
1230 word_cnts = efuse_calculate_word_cnts(hworden);
1231 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1240 static u8 efuse_calculate_word_cnts(u8 word_en)
1243 if (!(word_en & BIT(0)))
1245 if (!(word_en & BIT(1)))
1247 if (!(word_en & BIT(2)))
1249 if (!(word_en & BIT(3)))
1254 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1255 int max_size, u8 *hwinfo, int *params)
1257 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1258 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1259 struct device *dev = &rtlpcipriv->dev.pdev->dev;
1263 switch (rtlefuse->epromtype) {
1264 case EEPROM_BOOT_EFUSE:
1265 rtl_efuse_shadow_map_update(hw);
1269 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1273 dev_warn(dev, "no efuse data\n");
1277 memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1279 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1282 eeprom_id = *((u16 *)&hwinfo[0]);
1283 if (eeprom_id != params[0]) {
1284 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1285 "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1286 rtlefuse->autoload_failflag = true;
1288 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1289 rtlefuse->autoload_failflag = false;
1292 if (rtlefuse->autoload_failflag)
1295 rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1296 rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1297 rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1298 rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1299 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1300 "EEPROMId = 0x%4x\n", eeprom_id);
1301 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1302 "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1303 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1304 "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1305 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1306 "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1307 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1308 "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1310 for (i = 0; i < 6; i += 2) {
1311 usvalue = *(u16 *)&hwinfo[params[5] + i];
1312 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1314 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1316 rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1317 rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1318 rtlefuse->txpwr_fromeprom = true;
1319 rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1321 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1322 "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1324 /* set channel plan to world wide 13 */
1325 rtlefuse->channel_plan = params[9];
1329 EXPORT_SYMBOL_GPL(rtl_get_hwinfo);
1331 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1333 struct rtl_priv *rtlpriv = rtl_priv(hw);
1334 u8 *pu4byteptr = (u8 *)buffer;
1337 for (i = 0; i < size; i++)
1338 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1340 EXPORT_SYMBOL_GPL(rtl_fw_block_write);
1342 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1345 struct rtl_priv *rtlpriv = rtl_priv(hw);
1347 u8 u8page = (u8)(page & 0x07);
1349 value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1351 rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1352 rtl_fw_block_write(hw, buffer, size);
1354 EXPORT_SYMBOL_GPL(rtl_fw_page_write);
1356 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1358 u32 fwlen = *pfwlen;
1359 u8 remain = (u8)(fwlen % 4);
1361 remain = (remain == 0) ? 0 : (4 - remain);
1363 while (remain > 0) {
1371 EXPORT_SYMBOL_GPL(rtl_fill_dummy);
1373 void rtl_efuse_ops_init(struct ieee80211_hw *hw)
1375 struct rtl_priv *rtlpriv = rtl_priv(hw);
1377 rtlpriv->efuse.efuse_ops = &efuse_ops;
1379 EXPORT_SYMBOL_GPL(rtl_efuse_ops_init);