1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This 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 * This 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 ******************************************************************************/
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <rtw_efuse.h>
20 #include <usb_ops_linux.h>
21 #include <rtl8188e_hal.h>
24 #define REG_EFUSE_CTRL 0x0030
25 #define EFUSE_CTRL REG_EFUSE_CTRL /* E-Fuse Control. */
33 * Function: Efuse_PowerSwitch
35 * Overview: When we want to enable write operation, we should change to
36 * pwr on state. When we stop write, we should switch to 500k mode
37 * and disable LDO 2.5V.
40 void Efuse_PowerSwitch(
41 struct adapter
*pAdapter
,
49 usb_write8(pAdapter
, REG_EFUSE_ACCESS
, EFUSE_ACCESS_ON
);
51 /* 1.2V Power: From VDDON with Power Cut(0x0000h[15]), defualt valid */
52 tmpV16
= usb_read16(pAdapter
, REG_SYS_ISO_CTRL
);
53 if (!(tmpV16
& PWC_EV12V
)) {
55 usb_write16(pAdapter
, REG_SYS_ISO_CTRL
, tmpV16
);
57 /* Reset: 0x0000h[28], default valid */
58 tmpV16
= usb_read16(pAdapter
, REG_SYS_FUNC_EN
);
59 if (!(tmpV16
& FEN_ELDR
)) {
61 usb_write16(pAdapter
, REG_SYS_FUNC_EN
, tmpV16
);
64 /* Clock: Gated(0x0008h[5]) 8M(0x0008h[1]) clock from ANA, default valid */
65 tmpV16
= usb_read16(pAdapter
, REG_SYS_CLKR
);
66 if ((!(tmpV16
& LOADER_CLK_EN
)) || (!(tmpV16
& ANA8M
))) {
67 tmpV16
|= (LOADER_CLK_EN
| ANA8M
);
68 usb_write16(pAdapter
, REG_SYS_CLKR
, tmpV16
);
72 /* Enable LDO 2.5V before read/write action */
73 tempval
= usb_read8(pAdapter
, EFUSE_TEST
+3);
75 tempval
|= (VOLTAGE_V25
<< 4);
76 usb_write8(pAdapter
, EFUSE_TEST
+3, (tempval
| 0x80));
79 usb_write8(pAdapter
, REG_EFUSE_ACCESS
, EFUSE_ACCESS_OFF
);
82 /* Disable LDO 2.5V after read/write action */
83 tempval
= usb_read8(pAdapter
, EFUSE_TEST
+3);
84 usb_write8(pAdapter
, EFUSE_TEST
+3, (tempval
& 0x7F));
90 efuse_phymap_to_logical(u8
*phymap
, u16 _offset
, u16 _size_byte
, u8
*pbuf
)
97 u16
**eFuseWord
= NULL
;
98 u16 efuse_utilized
= 0;
101 efuseTbl
= kzalloc(EFUSE_MAP_LEN_88E
, GFP_KERNEL
);
105 eFuseWord
= (u16
**)rtw_malloc2d(EFUSE_MAX_SECTION_88E
, EFUSE_MAX_WORD_UNIT
, sizeof(u16
));
107 DBG_88E("%s: alloc eFuseWord fail!\n", __func__
);
108 goto eFuseWord_failed
;
111 /* 0. Refresh efuse init map as all oxFF. */
112 for (i
= 0; i
< EFUSE_MAX_SECTION_88E
; i
++)
113 for (j
= 0; j
< EFUSE_MAX_WORD_UNIT
; j
++)
114 eFuseWord
[i
][j
] = 0xFFFF;
117 /* 1. Read the first byte to check if efuse is empty!!! */
120 rtemp8
= *(phymap
+eFuse_Addr
);
121 if (rtemp8
!= 0xFF) {
125 DBG_88E("EFUSE is empty efuse_Addr-%d efuse_data =%x\n", eFuse_Addr
, rtemp8
);
130 /* 2. Read real efuse content. Filter PG header and every section data. */
132 while ((rtemp8
!= 0xFF) && (eFuse_Addr
< EFUSE_REAL_CONTENT_LEN_88E
)) {
133 /* Check PG header for section num. */
134 if ((rtemp8
& 0x1F) == 0x0F) { /* extended header */
135 u1temp
= (rtemp8
& 0xE0) >> 5;
136 rtemp8
= *(phymap
+eFuse_Addr
);
137 if ((rtemp8
& 0x0F) == 0x0F) {
139 rtemp8
= *(phymap
+eFuse_Addr
);
141 if (rtemp8
!= 0xFF && (eFuse_Addr
< EFUSE_REAL_CONTENT_LEN_88E
))
145 offset
= ((rtemp8
& 0xF0) >> 1) | u1temp
;
146 wren
= rtemp8
& 0x0F;
150 offset
= (rtemp8
>> 4) & 0x0f;
151 wren
= rtemp8
& 0x0f;
154 if (offset
< EFUSE_MAX_SECTION_88E
) {
155 /* Get word enable value from PG header */
156 for (i
= 0; i
< EFUSE_MAX_WORD_UNIT
; i
++) {
157 /* Check word enable condition in the section */
158 if (!(wren
& 0x01)) {
159 rtemp8
= *(phymap
+eFuse_Addr
);
162 eFuseWord
[offset
][i
] = (rtemp8
& 0xff);
163 if (eFuse_Addr
>= EFUSE_REAL_CONTENT_LEN_88E
)
165 rtemp8
= *(phymap
+eFuse_Addr
);
168 eFuseWord
[offset
][i
] |= (((u16
)rtemp8
<< 8) & 0xff00);
170 if (eFuse_Addr
>= EFUSE_REAL_CONTENT_LEN_88E
)
176 /* Read next PG header */
177 rtemp8
= *(phymap
+eFuse_Addr
);
179 if (rtemp8
!= 0xFF && (eFuse_Addr
< EFUSE_REAL_CONTENT_LEN_88E
)) {
186 /* 3. Collect 16 sections and 4 word unit into Efuse map. */
188 for (i
= 0; i
< EFUSE_MAX_SECTION_88E
; i
++) {
189 for (j
= 0; j
< EFUSE_MAX_WORD_UNIT
; j
++) {
190 efuseTbl
[(i
*8)+(j
*2)] = (eFuseWord
[i
][j
] & 0xff);
191 efuseTbl
[(i
*8)+((j
*2)+1)] = ((eFuseWord
[i
][j
] >> 8) & 0xff);
196 /* 4. Copy from Efuse map to output pointer memory!!! */
198 for (i
= 0; i
< _size_byte
; i
++)
199 pbuf
[i
] = efuseTbl
[_offset
+i
];
202 /* 5. Calculate Efuse utilization. */
212 static void efuse_read_phymap_from_txpktbuf(
213 struct adapter
*adapter
,
214 int bcnhead
, /* beacon head, where FW store len(2-byte) and efuse physical map. */
215 u8
*content
, /* buffer to store efuse physical map */
216 u16
*size
/* for efuse content: the max byte to read. will update to byte read */
220 unsigned long start
= 0;
222 u32 lo32
= 0, hi32
= 0;
223 u16 len
= 0, count
= 0;
229 if (bcnhead
< 0) /* if not valid */
230 bcnhead
= usb_read8(adapter
, REG_TDECTRL
+1);
232 DBG_88E("%s bcnhead:%d\n", __func__
, bcnhead
);
234 usb_write8(adapter
, REG_PKT_BUFF_ACCESS_CTRL
, TXPKT_BUF_SELECT
);
236 dbg_addr
= bcnhead
*128/8; /* 8-bytes addressing */
239 usb_write16(adapter
, REG_PKTBUF_DBG_ADDR
, dbg_addr
+i
);
241 usb_write8(adapter
, REG_TXPKTBUF_DBG
, 0);
243 while (!(reg_0x143
= usb_read8(adapter
, REG_TXPKTBUF_DBG
)) &&
244 jiffies_to_msecs(jiffies
- start
) < 1000) {
245 DBG_88E("%s polling reg_0x143:0x%02x, reg_0x106:0x%02x\n", __func__
, reg_0x143
, usb_read8(adapter
, 0x106));
246 usleep_range(1000, 2000);
249 lo32
= usb_read32(adapter
, REG_PKTBUF_DBG_DATA_L
);
250 hi32
= usb_read32(adapter
, REG_PKTBUF_DBG_DATA_H
);
256 lenc
[0] = usb_read8(adapter
, REG_PKTBUF_DBG_DATA_L
);
257 lenc
[1] = usb_read8(adapter
, REG_PKTBUF_DBG_DATA_L
+1);
259 aaabak
= le16_to_cpup((__le16
*)lenc
);
260 lenbak
= le16_to_cpu(*((__le16
*)lenc
));
261 aaa
= le16_to_cpup((__le16
*)&lo32
);
262 len
= le16_to_cpu(*((__le16
*)&lo32
));
264 limit
= min_t(u16
, len
-2, limit
);
266 DBG_88E("%s len:%u, lenbak:%u, aaa:%u, aaabak:%u\n", __func__
, len
, lenbak
, aaa
, aaabak
);
268 memcpy(pos
, ((u8
*)&lo32
)+2, (limit
>= count
+2) ? 2 : limit
-count
);
269 count
+= (limit
>= count
+2) ? 2 : limit
-count
;
273 memcpy(pos
, ((u8
*)&lo32
), (limit
>= count
+4) ? 4 : limit
-count
);
274 count
+= (limit
>= count
+4) ? 4 : limit
-count
;
278 if (limit
> count
&& len
-2 > count
) {
279 memcpy(pos
, (u8
*)&hi32
, (limit
>= count
+4) ? 4 : limit
-count
);
280 count
+= (limit
>= count
+4) ? 4 : limit
-count
;
284 if (limit
<= count
|| len
-2 <= count
)
288 usb_write8(adapter
, REG_PKT_BUFF_ACCESS_CTRL
, DISABLE_TRXPKT_BUF_ACCESS
);
289 DBG_88E("%s read count:%u\n", __func__
, count
);
293 static s32
iol_read_efuse(struct adapter
*padapter
, u8 txpktbuf_bndy
, u16 offset
, u16 size_byte
, u8
*logical_map
)
296 u8 physical_map
[512];
299 usb_write8(padapter
, REG_TDECTRL
+1, txpktbuf_bndy
);
300 memset(physical_map
, 0xFF, 512);
301 usb_write8(padapter
, REG_PKT_BUFF_ACCESS_CTRL
, TXPKT_BUF_SELECT
);
302 status
= iol_execute(padapter
, CMD_READ_EFUSE_MAP
);
303 if (status
== _SUCCESS
)
304 efuse_read_phymap_from_txpktbuf(padapter
, txpktbuf_bndy
, physical_map
, &size
);
305 efuse_phymap_to_logical(physical_map
, offset
, size_byte
, logical_map
);
309 void efuse_ReadEFuse(struct adapter
*Adapter
, u8 efuseType
, u16 _offset
, u16 _size_byte
, u8
*pbuf
)
312 if (rtw_IOL_applied(Adapter
)) {
313 rtw_hal_power_on(Adapter
);
314 iol_mode_enable(Adapter
, 1);
315 iol_read_efuse(Adapter
, 0, _offset
, _size_byte
, pbuf
);
316 iol_mode_enable(Adapter
, 0);
320 /* Do not support BT */
321 void EFUSE_GetEfuseDefinition(struct adapter
*pAdapter
, u8 efuseType
, u8 type
, void *pOut
)
324 case TYPE_EFUSE_MAX_SECTION
:
328 *pMax_section
= EFUSE_MAX_SECTION_88E
;
331 case TYPE_EFUSE_REAL_CONTENT_LEN
:
335 *pu2Tmp
= EFUSE_REAL_CONTENT_LEN_88E
;
338 case TYPE_EFUSE_CONTENT_LEN_BANK
:
342 *pu2Tmp
= EFUSE_REAL_CONTENT_LEN_88E
;
345 case TYPE_AVAILABLE_EFUSE_BYTES_BANK
:
349 *pu2Tmp
= (u16
)(EFUSE_REAL_CONTENT_LEN_88E
-EFUSE_OOB_PROTECT_BYTES_88E
);
352 case TYPE_AVAILABLE_EFUSE_BYTES_TOTAL
:
356 *pu2Tmp
= (u16
)(EFUSE_REAL_CONTENT_LEN_88E
-EFUSE_OOB_PROTECT_BYTES_88E
);
359 case TYPE_EFUSE_MAP_LEN
:
363 *pu2Tmp
= (u16
)EFUSE_MAP_LEN_88E
;
366 case TYPE_EFUSE_PROTECT_BYTES_BANK
:
370 *pu1Tmp
= (u8
)(EFUSE_OOB_PROTECT_BYTES_88E
);
383 u8
Efuse_WordEnableDataWrite(struct adapter
*pAdapter
, u16 efuse_addr
, u8 word_en
, u8
*data
)
386 u16 start_addr
= efuse_addr
;
390 memset(tmpdata
, 0xff, PGPKT_DATA_SIZE
);
392 if (!(word_en
& BIT(0))) {
393 tmpaddr
= start_addr
;
394 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[0]);
395 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[1]);
397 efuse_OneByteRead(pAdapter
, tmpaddr
, &tmpdata
[0]);
398 efuse_OneByteRead(pAdapter
, tmpaddr
+1, &tmpdata
[1]);
399 if ((data
[0] != tmpdata
[0]) || (data
[1] != tmpdata
[1]))
400 badworden
&= (~BIT(0));
402 if (!(word_en
& BIT(1))) {
403 tmpaddr
= start_addr
;
404 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[2]);
405 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[3]);
407 efuse_OneByteRead(pAdapter
, tmpaddr
, &tmpdata
[2]);
408 efuse_OneByteRead(pAdapter
, tmpaddr
+1, &tmpdata
[3]);
409 if ((data
[2] != tmpdata
[2]) || (data
[3] != tmpdata
[3]))
410 badworden
&= (~BIT(1));
412 if (!(word_en
& BIT(2))) {
413 tmpaddr
= start_addr
;
414 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[4]);
415 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[5]);
417 efuse_OneByteRead(pAdapter
, tmpaddr
, &tmpdata
[4]);
418 efuse_OneByteRead(pAdapter
, tmpaddr
+1, &tmpdata
[5]);
419 if ((data
[4] != tmpdata
[4]) || (data
[5] != tmpdata
[5]))
420 badworden
&= (~BIT(2));
422 if (!(word_en
& BIT(3))) {
423 tmpaddr
= start_addr
;
424 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[6]);
425 efuse_OneByteWrite(pAdapter
, start_addr
++, data
[7]);
427 efuse_OneByteRead(pAdapter
, tmpaddr
, &tmpdata
[6]);
428 efuse_OneByteRead(pAdapter
, tmpaddr
+1, &tmpdata
[7]);
429 if ((data
[6] != tmpdata
[6]) || (data
[7] != tmpdata
[7]))
430 badworden
&= (~BIT(3));
435 static u16
Efuse_GetCurrentSize(struct adapter
*pAdapter
)
437 int bContinual
= true;
439 u8 hoffset
= 0, hworden
= 0;
440 u8 efuse_data
, word_cnts
= 0;
442 rtw_hal_get_hwreg(pAdapter
, HW_VAR_EFUSE_BYTES
, (u8
*)&efuse_addr
);
445 efuse_OneByteRead(pAdapter
, efuse_addr
, &efuse_data
) &&
446 AVAILABLE_EFUSE_ADDR(efuse_addr
)) {
447 if (efuse_data
!= 0xFF) {
448 if ((efuse_data
&0x1F) == 0x0F) { /* extended header */
449 hoffset
= efuse_data
;
451 efuse_OneByteRead(pAdapter
, efuse_addr
, &efuse_data
);
452 if ((efuse_data
& 0x0F) == 0x0F) {
456 hoffset
= ((hoffset
& 0xE0) >> 5) | ((efuse_data
& 0xF0) >> 1);
457 hworden
= efuse_data
& 0x0F;
460 hoffset
= (efuse_data
>>4) & 0x0F;
461 hworden
= efuse_data
& 0x0F;
463 word_cnts
= Efuse_CalculateWordCnts(hworden
);
464 /* read next header */
465 efuse_addr
= efuse_addr
+ (word_cnts
*2)+1;
471 rtw_hal_set_hwreg(pAdapter
, HW_VAR_EFUSE_BYTES
, (u8
*)&efuse_addr
);
476 int Efuse_PgPacketRead(struct adapter
*pAdapter
, u8 offset
, u8
*data
)
478 u8 ReadState
= PG_STATE_HEADER
;
479 int bContinual
= true;
480 int bDataEmpty
= true;
481 u8 efuse_data
, word_cnts
= 0;
483 u8 hoffset
= 0, hworden
= 0;
489 EFUSE_GetEfuseDefinition(pAdapter
, EFUSE_WIFI
, TYPE_EFUSE_MAX_SECTION
, (void *)&max_section
);
493 if (offset
> max_section
)
496 memset(data
, 0xff, sizeof(u8
) * PGPKT_DATA_SIZE
);
497 memset(tmpdata
, 0xff, sizeof(u8
) * PGPKT_DATA_SIZE
);
499 /* <Roger_TODO> Efuse has been pre-programmed dummy 5Bytes at the end of Efuse by CP. */
500 /* Skip dummy parts to prevent unexpected data read from Efuse. */
501 /* By pass right now. 2009.02.19. */
502 while (bContinual
&& AVAILABLE_EFUSE_ADDR(efuse_addr
)) {
503 /* Header Read ------------- */
504 if (ReadState
& PG_STATE_HEADER
) {
505 if (efuse_OneByteRead(pAdapter
, efuse_addr
, &efuse_data
) && (efuse_data
!= 0xFF)) {
506 if (EXT_HEADER(efuse_data
)) {
507 tmp_header
= efuse_data
;
509 efuse_OneByteRead(pAdapter
, efuse_addr
, &efuse_data
);
510 if (!ALL_WORDS_DISABLED(efuse_data
)) {
511 hoffset
= ((tmp_header
& 0xE0) >> 5) | ((efuse_data
& 0xF0) >> 1);
512 hworden
= efuse_data
& 0x0F;
514 DBG_88E("Error, All words disabled\n");
519 hoffset
= (efuse_data
>>4) & 0x0F;
520 hworden
= efuse_data
& 0x0F;
522 word_cnts
= Efuse_CalculateWordCnts(hworden
);
525 if (hoffset
== offset
) {
526 for (tmpidx
= 0; tmpidx
< word_cnts
*2; tmpidx
++) {
527 if (efuse_OneByteRead(pAdapter
, efuse_addr
+1+tmpidx
, &efuse_data
)) {
528 tmpdata
[tmpidx
] = efuse_data
;
529 if (efuse_data
!= 0xff)
533 if (bDataEmpty
== false) {
534 ReadState
= PG_STATE_DATA
;
535 } else {/* read next header */
536 efuse_addr
= efuse_addr
+ (word_cnts
*2)+1;
537 ReadState
= PG_STATE_HEADER
;
539 } else {/* read next header */
540 efuse_addr
= efuse_addr
+ (word_cnts
*2)+1;
541 ReadState
= PG_STATE_HEADER
;
546 } else if (ReadState
& PG_STATE_DATA
) {
547 /* Data section Read ------------- */
548 efuse_WordEnableDataRead(hworden
, tmpdata
, data
);
549 efuse_addr
= efuse_addr
+ (word_cnts
*2)+1;
550 ReadState
= PG_STATE_HEADER
;
555 if ((data
[0] == 0xff) && (data
[1] == 0xff) && (data
[2] == 0xff) && (data
[3] == 0xff) &&
556 (data
[4] == 0xff) && (data
[5] == 0xff) && (data
[6] == 0xff) && (data
[7] == 0xff))
562 static bool hal_EfuseFixHeaderProcess(struct adapter
*pAdapter
, u8 efuseType
, struct pgpkt
*pFixPkt
, u16
*pAddr
)
564 u8 originaldata
[8], badworden
= 0;
565 u16 efuse_addr
= *pAddr
;
566 u32 PgWriteSuccess
= 0;
568 memset(originaldata
, 0xff, 8);
570 if (Efuse_PgPacketRead(pAdapter
, pFixPkt
->offset
, originaldata
)) {
571 /* check if data exist */
572 badworden
= Efuse_WordEnableDataWrite(pAdapter
, efuse_addr
+1, pFixPkt
->word_en
, originaldata
);
574 if (badworden
!= 0xf) { /* write fail */
575 PgWriteSuccess
= Efuse_PgPacketWrite(pAdapter
, pFixPkt
->offset
, badworden
, originaldata
);
580 efuse_addr
= Efuse_GetCurrentSize(pAdapter
);
582 efuse_addr
= efuse_addr
+ (pFixPkt
->word_cnts
*2) + 1;
585 efuse_addr
= efuse_addr
+ (pFixPkt
->word_cnts
*2) + 1;
591 static bool hal_EfusePgPacketWrite2ByteHeader(struct adapter
*pAdapter
, u8 efuseType
, u16
*pAddr
, struct pgpkt
*pTargetPkt
)
594 u16 efuse_addr
= *pAddr
, efuse_max_available_len
= 0;
595 u8 pg_header
= 0, tmp_header
= 0, pg_header_temp
= 0;
598 EFUSE_GetEfuseDefinition(pAdapter
, efuseType
, TYPE_AVAILABLE_EFUSE_BYTES_BANK
, (void *)&efuse_max_available_len
);
600 while (efuse_addr
< efuse_max_available_len
) {
601 pg_header
= ((pTargetPkt
->offset
& 0x07) << 5) | 0x0F;
602 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
603 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
605 while (tmp_header
== 0xFF) {
606 if (repeatcnt
++ > EFUSE_REPEAT_THRESHOLD_
)
609 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
610 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
613 /* to write ext_header */
614 if (tmp_header
== pg_header
) {
616 pg_header_temp
= pg_header
;
617 pg_header
= ((pTargetPkt
->offset
& 0x78) << 1) | pTargetPkt
->word_en
;
619 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
620 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
622 while (tmp_header
== 0xFF) {
623 if (repeatcnt
++ > EFUSE_REPEAT_THRESHOLD_
)
626 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
627 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
630 if ((tmp_header
& 0x0F) == 0x0F) { /* word_en PG fail */
631 if (repeatcnt
++ > EFUSE_REPEAT_THRESHOLD_
) {
636 } else if (pg_header
!= tmp_header
) { /* offset PG fail */
638 fixPkt
.offset
= ((pg_header_temp
& 0xE0) >> 5) | ((tmp_header
& 0xF0) >> 1);
639 fixPkt
.word_en
= tmp_header
& 0x0F;
640 fixPkt
.word_cnts
= Efuse_CalculateWordCnts(fixPkt
.word_en
);
641 if (!hal_EfuseFixHeaderProcess(pAdapter
, efuseType
, &fixPkt
, &efuse_addr
))
647 } else if ((tmp_header
& 0x1F) == 0x0F) { /* wrong extended header */
657 static bool hal_EfusePgPacketWrite1ByteHeader(struct adapter
*pAdapter
, u8 efuseType
, u16
*pAddr
, struct pgpkt
*pTargetPkt
)
660 u8 pg_header
= 0, tmp_header
= 0;
661 u16 efuse_addr
= *pAddr
;
664 pg_header
= ((pTargetPkt
->offset
<< 4) & 0xf0) | pTargetPkt
->word_en
;
666 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
667 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
669 while (tmp_header
== 0xFF) {
670 if (repeatcnt
++ > EFUSE_REPEAT_THRESHOLD_
)
672 efuse_OneByteWrite(pAdapter
, efuse_addr
, pg_header
);
673 efuse_OneByteRead(pAdapter
, efuse_addr
, &tmp_header
);
676 if (pg_header
== tmp_header
) {
680 fixPkt
.offset
= (tmp_header
>>4) & 0x0F;
681 fixPkt
.word_en
= tmp_header
& 0x0F;
682 fixPkt
.word_cnts
= Efuse_CalculateWordCnts(fixPkt
.word_en
);
683 if (!hal_EfuseFixHeaderProcess(pAdapter
, efuseType
, &fixPkt
, &efuse_addr
))
691 static bool hal_EfusePgPacketWriteData(struct adapter
*pAdapter
, u8 efuseType
, u16
*pAddr
, struct pgpkt
*pTargetPkt
)
693 u16 efuse_addr
= *pAddr
;
695 u32 PgWriteSuccess
= 0;
698 badworden
= Efuse_WordEnableDataWrite(pAdapter
, efuse_addr
+1, pTargetPkt
->word_en
, pTargetPkt
->data
);
699 if (badworden
== 0x0F) {
703 /* reorganize other pg packet */
704 PgWriteSuccess
= Efuse_PgPacketWrite(pAdapter
, pTargetPkt
->offset
, badworden
, pTargetPkt
->data
);
712 hal_EfusePgPacketWriteHeader(
713 struct adapter
*pAdapter
,
716 struct pgpkt
*pTargetPkt
)
720 if (pTargetPkt
->offset
>= EFUSE_MAX_SECTION_BASE
)
721 bRet
= hal_EfusePgPacketWrite2ByteHeader(pAdapter
, efuseType
, pAddr
, pTargetPkt
);
723 bRet
= hal_EfusePgPacketWrite1ByteHeader(pAdapter
, efuseType
, pAddr
, pTargetPkt
);
728 static bool wordEnMatched(struct pgpkt
*pTargetPkt
, struct pgpkt
*pCurPkt
,
731 u8 match_word_en
= 0x0F; /* default all words are disabled */
733 /* check if the same words are enabled both target and current PG packet */
734 if (((pTargetPkt
->word_en
& BIT(0)) == 0) &&
735 ((pCurPkt
->word_en
& BIT(0)) == 0))
736 match_word_en
&= ~BIT(0); /* enable word 0 */
737 if (((pTargetPkt
->word_en
& BIT(1)) == 0) &&
738 ((pCurPkt
->word_en
& BIT(1)) == 0))
739 match_word_en
&= ~BIT(1); /* enable word 1 */
740 if (((pTargetPkt
->word_en
& BIT(2)) == 0) &&
741 ((pCurPkt
->word_en
& BIT(2)) == 0))
742 match_word_en
&= ~BIT(2); /* enable word 2 */
743 if (((pTargetPkt
->word_en
& BIT(3)) == 0) &&
744 ((pCurPkt
->word_en
& BIT(3)) == 0))
745 match_word_en
&= ~BIT(3); /* enable word 3 */
747 *pWden
= match_word_en
;
749 if (match_word_en
!= 0xf)
755 static bool hal_EfuseCheckIfDatafollowed(struct adapter
*pAdapter
, u8 word_cnts
, u16 startAddr
)
760 for (i
= 0; i
< (word_cnts
*2); i
++) {
761 if (efuse_OneByteRead(pAdapter
, (startAddr
+i
), &efuse_data
) && (efuse_data
!= 0xFF))
767 static bool hal_EfusePartialWriteCheck(struct adapter
*pAdapter
, u8 efuseType
, u16
*pAddr
, struct pgpkt
*pTargetPkt
)
770 u8 i
, efuse_data
= 0, cur_header
= 0;
771 u8 matched_wden
= 0, badworden
= 0;
772 u16 startAddr
= 0, efuse_max_available_len
= 0, efuse_max
= 0;
775 EFUSE_GetEfuseDefinition(pAdapter
, efuseType
, TYPE_AVAILABLE_EFUSE_BYTES_BANK
, (void *)&efuse_max_available_len
);
776 EFUSE_GetEfuseDefinition(pAdapter
, efuseType
, TYPE_EFUSE_REAL_CONTENT_LEN
, (void *)&efuse_max
);
778 rtw_hal_get_hwreg(pAdapter
, HW_VAR_EFUSE_BYTES
, (u8
*)&startAddr
);
779 startAddr
%= EFUSE_REAL_CONTENT_LEN
;
782 if (startAddr
>= efuse_max_available_len
) {
787 if (efuse_OneByteRead(pAdapter
, startAddr
, &efuse_data
) && (efuse_data
!= 0xFF)) {
788 if (EXT_HEADER(efuse_data
)) {
789 cur_header
= efuse_data
;
791 efuse_OneByteRead(pAdapter
, startAddr
, &efuse_data
);
792 if (ALL_WORDS_DISABLED(efuse_data
)) {
796 curPkt
.offset
= ((cur_header
& 0xE0) >> 5) | ((efuse_data
& 0xF0) >> 1);
797 curPkt
.word_en
= efuse_data
& 0x0F;
800 cur_header
= efuse_data
;
801 curPkt
.offset
= (cur_header
>>4) & 0x0F;
802 curPkt
.word_en
= cur_header
& 0x0F;
805 curPkt
.word_cnts
= Efuse_CalculateWordCnts(curPkt
.word_en
);
806 /* if same header is found but no data followed */
807 /* write some part of data followed by the header. */
808 if ((curPkt
.offset
== pTargetPkt
->offset
) &&
809 (!hal_EfuseCheckIfDatafollowed(pAdapter
, curPkt
.word_cnts
, startAddr
+1)) &&
810 wordEnMatched(pTargetPkt
, &curPkt
, &matched_wden
)) {
811 /* Here to write partial data */
812 badworden
= Efuse_WordEnableDataWrite(pAdapter
, startAddr
+1, matched_wden
, pTargetPkt
->data
);
813 if (badworden
!= 0x0F) {
814 u32 PgWriteSuccess
= 0;
815 /* if write fail on some words, write these bad words again */
817 PgWriteSuccess
= Efuse_PgPacketWrite(pAdapter
, pTargetPkt
->offset
, badworden
, pTargetPkt
->data
);
819 if (!PgWriteSuccess
) {
820 bRet
= false; /* write fail, return */
824 /* partial write ok, update the target packet for later use */
825 for (i
= 0; i
< 4; i
++) {
826 if ((matched_wden
& (0x1<<i
)) == 0) /* this word has been written */
827 pTargetPkt
->word_en
|= (0x1<<i
); /* disable the word */
829 pTargetPkt
->word_cnts
= Efuse_CalculateWordCnts(pTargetPkt
->word_en
);
831 /* read from next header */
832 startAddr
= startAddr
+ (curPkt
.word_cnts
*2) + 1;
834 /* not used header, 0xff */
844 hal_EfusePgCheckAvailableAddr(
845 struct adapter
*pAdapter
,
849 u16 efuse_max_available_len
= 0;
851 /* Change to check TYPE_EFUSE_MAP_LEN , because 8188E raw 256, logic map over 256. */
852 EFUSE_GetEfuseDefinition(pAdapter
, EFUSE_WIFI
, TYPE_EFUSE_MAP_LEN
, (void *)&efuse_max_available_len
);
854 if (Efuse_GetCurrentSize(pAdapter
) >= efuse_max_available_len
)
859 static void hal_EfuseConstructPGPkt(u8 offset
, u8 word_en
, u8
*pData
, struct pgpkt
*pTargetPkt
)
861 memset((void *)pTargetPkt
->data
, 0xFF, sizeof(u8
)*8);
862 pTargetPkt
->offset
= offset
;
863 pTargetPkt
->word_en
= word_en
;
864 efuse_WordEnableDataRead(word_en
, pData
, pTargetPkt
->data
);
865 pTargetPkt
->word_cnts
= Efuse_CalculateWordCnts(pTargetPkt
->word_en
);
868 bool Efuse_PgPacketWrite(struct adapter
*pAdapter
, u8 offset
, u8 word_en
, u8
*pData
)
870 struct pgpkt targetPkt
;
872 u8 efuseType
= EFUSE_WIFI
;
874 if (!hal_EfusePgCheckAvailableAddr(pAdapter
, efuseType
))
877 hal_EfuseConstructPGPkt(offset
, word_en
, pData
, &targetPkt
);
879 if (!hal_EfusePartialWriteCheck(pAdapter
, efuseType
, &startAddr
, &targetPkt
))
882 if (!hal_EfusePgPacketWriteHeader(pAdapter
, efuseType
, &startAddr
, &targetPkt
))
885 if (!hal_EfusePgPacketWriteData(pAdapter
, efuseType
, &startAddr
, &targetPkt
))
891 u8
Efuse_CalculateWordCnts(u8 word_en
)
894 if (!(word_en
& BIT(0)))
895 word_cnts
++; /* 0 : write enable */
896 if (!(word_en
& BIT(1)))
898 if (!(word_en
& BIT(2)))
900 if (!(word_en
& BIT(3)))
905 u8
efuse_OneByteRead(struct adapter
*pAdapter
, u16 addr
, u8
*data
)
910 usb_write8(pAdapter
, EFUSE_CTRL
+1, (u8
)(addr
& 0xff));
911 usb_write8(pAdapter
, EFUSE_CTRL
+2, ((u8
)((addr
>>8) & 0x03)) |
912 (usb_read8(pAdapter
, EFUSE_CTRL
+2) & 0xFC));
914 usb_write8(pAdapter
, EFUSE_CTRL
+3, 0x72);/* read cmd */
916 while (!(0x80 & usb_read8(pAdapter
, EFUSE_CTRL
+3)) && (tmpidx
< 100))
919 *data
= usb_read8(pAdapter
, EFUSE_CTRL
);
928 u8
efuse_OneByteWrite(struct adapter
*pAdapter
, u16 addr
, u8 data
)
933 usb_write8(pAdapter
, EFUSE_CTRL
+1, (u8
)(addr
&0xff));
934 usb_write8(pAdapter
, EFUSE_CTRL
+2,
935 (usb_read8(pAdapter
, EFUSE_CTRL
+2) & 0xFC) |
936 (u8
)((addr
>>8) & 0x03));
937 usb_write8(pAdapter
, EFUSE_CTRL
, data
);/* data */
939 usb_write8(pAdapter
, EFUSE_CTRL
+3, 0xF2);/* write cmd */
941 while ((0x80 & usb_read8(pAdapter
, EFUSE_CTRL
+3)) && (tmpidx
< 100))
953 * Overview: Read allowed word in current efuse section data.
955 void efuse_WordEnableDataRead(u8 word_en
, u8
*sourdata
, u8
*targetdata
)
957 if (!(word_en
& BIT(0))) {
958 targetdata
[0] = sourdata
[0];
959 targetdata
[1] = sourdata
[1];
961 if (!(word_en
& BIT(1))) {
962 targetdata
[2] = sourdata
[2];
963 targetdata
[3] = sourdata
[3];
965 if (!(word_en
& BIT(2))) {
966 targetdata
[4] = sourdata
[4];
967 targetdata
[5] = sourdata
[5];
969 if (!(word_en
& BIT(3))) {
970 targetdata
[6] = sourdata
[6];
971 targetdata
[7] = sourdata
[7];
976 * Overview: Read All Efuse content
978 static void Efuse_ReadAllMap(struct adapter
*pAdapter
, u8 efuseType
, u8
*Efuse
)
982 Efuse_PowerSwitch(pAdapter
, false, true);
984 EFUSE_GetEfuseDefinition(pAdapter
, efuseType
, TYPE_EFUSE_MAP_LEN
, (void *)&mapLen
);
986 efuse_ReadEFuse(pAdapter
, efuseType
, 0, mapLen
, Efuse
);
988 Efuse_PowerSwitch(pAdapter
, false, false);
992 * Overview: Transfer current EFUSE content to shadow init and modify map.
994 void EFUSE_ShadowMapUpdate(
995 struct adapter
*pAdapter
,
998 struct eeprom_priv
*pEEPROM
= GET_EEPROM_EFUSE_PRIV(pAdapter
);
1001 EFUSE_GetEfuseDefinition(pAdapter
, efuseType
, TYPE_EFUSE_MAP_LEN
, (void *)&mapLen
);
1003 if (pEEPROM
->bautoload_fail_flag
)
1004 memset(pEEPROM
->efuse_eeprom_data
, 0xFF, mapLen
);
1006 Efuse_ReadAllMap(pAdapter
, efuseType
, pEEPROM
->efuse_eeprom_data
);