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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/net/wireless/realtek/rtlwifi/efuse.c
....@@ -1,54 +1,16 @@
1
-/******************************************************************************
2
- *
3
- * Copyright(c) 2009-2012  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
- * Tme full GNU General Public License is included in this distribution in the
15
- * file called LICENSE.
16
- *
17
- * Contact Information:
18
- * wlanfae <wlanfae@realtek.com>
19
- * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20
- * Hsinchu 300, Taiwan.
21
- *
22
- * Larry Finger <Larry.Finger@lwfinger.net>
23
- *
24
- *****************************************************************************/
1
+// SPDX-License-Identifier: GPL-2.0
2
+/* Copyright(c) 2009-2012  Realtek Corporation.*/
3
+
254 #include "wifi.h"
265 #include "efuse.h"
276 #include "pci.h"
287 #include <linux/export.h>
298 
30
-static const u8 MAX_PGPKT_SIZE = 9;
319 static const u8 PGPKT_DATA_SIZE = 8;
3210 static const int EFUSE_MAX_SIZE = 512;
3311 
3412 #define START_ADDRESS		0x1000
3513 #define REG_MCUFWDL		0x0080
36
-
37
-static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
38
-	{0, 0, 0, 2},
39
-	{0, 1, 0, 2},
40
-	{0, 2, 0, 2},
41
-	{1, 0, 0, 1},
42
-	{1, 0, 1, 1},
43
-	{1, 1, 0, 1},
44
-	{1, 1, 1, 3},
45
-	{1, 3, 0, 17},
46
-	{3, 3, 1, 48},
47
-	{10, 0, 0, 6},
48
-	{10, 3, 0, 1},
49
-	{10, 3, 1, 1},
50
-	{11, 0, 0, 28}
51
-};
5214 
5315 static const struct rtl_efuse_ops efuse_ops = {
5416 	.efuse_onebyte_read = efuse_one_byte_read,
....@@ -138,10 +100,8 @@
138100 						 rtlpriv->cfg->
139101 						 maps[EFUSE_CTRL] + 3);
140102 			k++;
141
-			if (k == 1000) {
142
-				k = 0;
103
+			if (k == 1000)
143104 				break;
144
-			}
145105 		}
146106 		data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
147107 		return data;
....@@ -160,8 +120,8 @@
160120 	const u32 efuse_len =
161121 		rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
162122 
163
-	RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
164
-		 address, value);
123
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
124
+		address, value);
165125 
166126 	if (address < efuse_len) {
167127 		rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
....@@ -251,9 +211,9 @@
251211 	u8 efuse_usage;
252212 
253213 	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);
214
+		rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
215
+			"%s: Invalid offset(%#x) with read bytes(%#x)!!\n",
216
+			__func__, _offset, _size_byte);
257217 		return;
258218 	}
259219 
....@@ -386,20 +346,20 @@
386346 {
387347 	struct rtl_priv *rtlpriv = rtl_priv(hw);
388348 	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
389
-	u8 section_idx, i, Base;
349
+	u8 section_idx, i, base;
390350 	u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
391351 	bool wordchanged, result = true;
392352 
393353 	for (section_idx = 0; section_idx < 16; section_idx++) {
394
-		Base = section_idx * 8;
354
+		base = section_idx * 8;
395355 		wordchanged = false;
396356 
397357 		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 +
402
-								   1])) {
358
+			if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
359
+			    rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i] ||
360
+			    rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
361
+			    rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
362
+								   1]) {
403363 				words_need++;
404364 				wordchanged = true;
405365 			}
....@@ -416,9 +376,9 @@
416376 	    (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
417377 		result = false;
418378 
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);
379
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
380
+		"%s: totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
381
+		__func__, totalbytes, hdr_num, words_need, efuse_used);
422382 
423383 	return result;
424384 }
....@@ -456,7 +416,7 @@
456416 	u8 word_en = 0x0F;
457417 	u8 first_pg = false;
458418 
459
-	RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
419
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
460420 
461421 	if (!efuse_shadow_update_chk(hw)) {
462422 		efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
....@@ -464,8 +424,8 @@
464424 		       &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
465425 		       rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
466426 
467
-		RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
468
-			 "efuse out of capacity!!\n");
427
+		rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
428
+			"efuse out of capacity!!\n");
469429 		return false;
470430 	}
471431 	efuse_power_switch(hw, true, true);
....@@ -495,6 +455,7 @@
495455 
496456 		if (word_en != 0x0F) {
497457 			u8 tmpdata[8];
458
+
498459 			memcpy(tmpdata,
499460 			       &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
500461 			       8);
....@@ -503,12 +464,11 @@
503464 
504465 			if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
505466 						   tmpdata)) {
506
-				RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
507
-					 "PG section(%#x) fail!!\n", offset);
467
+				rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
468
+					"PG section(%#x) fail!!\n", offset);
508469 				break;
509470 			}
510471 		}
511
-
512472 	}
513473 
514474 	efuse_power_switch(hw, true, false);
....@@ -518,7 +478,7 @@
518478 	       &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
519479 	       rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
520480 
521
-	RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
481
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
522482 	return true;
523483 }
524484 
....@@ -540,7 +500,7 @@
540500 }
541501 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
542502 
543
-void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
503
+void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
544504 {
545505 	u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
546506 
....@@ -656,8 +616,8 @@
656616 	struct rtl_priv *rtlpriv = rtl_priv(hw);
657617 	u8 tmpidx = 0;
658618 
659
-	RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
660
-		 "Addr = %x Data=%x\n", addr, data);
619
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
620
+		"Addr = %x Data=%x\n", addr, data);
661621 
662622 	rtl_write_byte(rtlpriv,
663623 		       rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
....@@ -683,6 +643,7 @@
683643 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
684644 {
685645 	struct rtl_priv *rtlpriv = rtl_priv(hw);
646
+
686647 	efuse_power_switch(hw, false, true);
687648 	read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
688649 	efuse_power_switch(hw, false, false);
....@@ -833,6 +794,7 @@
833794 				if (0x0F != (badworden & 0x0F))	{
834795 					u8 reorg_offset = offset;
835796 					u8 reorg_worden = badworden;
797
+
836798 					efuse_pg_packet_write(hw, reorg_offset,
837799 							      reorg_worden,
838800 							      originaldata);
....@@ -922,6 +884,7 @@
922884 			if (0x0F != (badworden & 0x0F)) {
923885 				u8 reorg_offset = tmp_pkt.offset;
924886 				u8 reorg_worden = badworden;
887
+
925888 				efuse_pg_packet_write(hw, reorg_offset,
926889 						      reorg_worden,
927890 						      originaldata);
....@@ -952,7 +915,7 @@
952915 	struct rtl_priv *rtlpriv = rtl_priv(hw);
953916 	struct pgpkt_struct target_pkt;
954917 	u8 write_state = PG_STATE_HEADER;
955
-	int continual = true, dataempty = true, result = true;
918
+	int continual = true, result = true;
956919 	u16 efuse_addr = 0;
957920 	u8 efuse_data;
958921 	u8 target_word_cnts = 0;
....@@ -978,9 +941,7 @@
978941 
979942 	while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
980943 		rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
981
-
982944 		if (write_state == PG_STATE_HEADER) {
983
-			dataempty = true;
984945 			badworden = 0x0F;
985946 			RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
986947 				"efuse PG_STATE_HEADER\n");
....@@ -1005,7 +966,6 @@
1005966 		} else if (write_state == PG_STATE_DATA) {
1006967 			RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1007968 				"efuse PG_STATE_DATA\n");
1008
-			badworden = 0x0f;
1009969 			badworden =
1010970 			    enable_efuse_data_write(hw, efuse_addr + 1,
1011971 						    target_pkt.word_en,
....@@ -1036,8 +996,8 @@
1036996 
1037997 	if (efuse_addr >= (EFUSE_MAX_SIZE -
1038998 		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);
999
+		rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
1000
+			"efuse_addr(%#x) Out of size!!\n", efuse_addr);
10411001 	}
10421002 
10431003 	return true;
....@@ -1077,8 +1037,8 @@
10771037 	u8 tmpdata[8];
10781038 
10791039 	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);
1040
+	rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD,
1041
+		"word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
10821042 
10831043 	if (!(word_en & BIT(0))) {
10841044 		tmpaddr = start_addr;
....@@ -1132,40 +1092,39 @@
11321092 	struct rtl_priv *rtlpriv = rtl_priv(hw);
11331093 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
11341094 	u8 tempval;
1135
-	u16 tmpV16;
1095
+	u16 tmpv16;
11361096 
11371097 	if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1138
-
11391098 		if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
11401099 		    rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
11411100 			rtl_write_byte(rtlpriv,
11421101 				       rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
11431102 		} else {
1144
-			tmpV16 =
1103
+			tmpv16 =
11451104 			  rtl_read_word(rtlpriv,
11461105 					rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1147
-			if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1148
-				tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1106
+			if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1107
+				tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
11491108 				rtl_write_word(rtlpriv,
11501109 					       rtlpriv->cfg->maps[SYS_ISO_CTRL],
1151
-					       tmpV16);
1110
+					       tmpv16);
11521111 			}
11531112 		}
1154
-		tmpV16 = rtl_read_word(rtlpriv,
1113
+		tmpv16 = rtl_read_word(rtlpriv,
11551114 				       rtlpriv->cfg->maps[SYS_FUNC_EN]);
1156
-		if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1157
-			tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1115
+		if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1116
+			tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
11581117 			rtl_write_word(rtlpriv,
1159
-				       rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1118
+				       rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
11601119 		}
11611120 
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] |
1121
+		tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1122
+		if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1123
+		    (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1124
+			tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
11661125 				   rtlpriv->cfg->maps[EFUSE_ANA8M]);
11671126 			rtl_write_word(rtlpriv,
1168
-				       rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1127
+				       rtlpriv->cfg->maps[SYS_CLK], tmpv16);
11691128 		}
11701129 	}
11711130 
....@@ -1219,13 +1178,12 @@
12191178 {
12201179 	int continual = true;
12211180 	u16 efuse_addr = 0;
1222
-	u8 hoffset, hworden;
1181
+	u8 hworden;
12231182 	u8 efuse_data, word_cnts;
12241183 
12251184 	while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
12261185 	       (efuse_addr < EFUSE_MAX_SIZE)) {
12271186 		if (efuse_data != 0xFF) {
1228
-			hoffset = (efuse_data >> 4) & 0x0F;
12291187 			hworden = efuse_data & 0x0F;
12301188 			word_cnts = efuse_calculate_word_cnts(hworden);
12311189 			efuse_addr = efuse_addr + (word_cnts * 2) + 1;
....@@ -1240,6 +1198,7 @@
12401198 static u8 efuse_calculate_word_cnts(u8 word_en)
12411199 {
12421200 	u8 word_cnts = 0;
1201
+
12431202 	if (!(word_en & BIT(0)))
12441203 		word_cnts++;
12451204 	if (!(word_en & BIT(1)))
....@@ -1281,11 +1240,11 @@
12811240 
12821241 	eeprom_id = *((u16 *)&hwinfo[0]);
12831242 	if (eeprom_id != params[0]) {
1284
-		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1285
-			 "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1243
+		rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1244
+			"EEPROM ID(%#x) is invalid!!\n", eeprom_id);
12861245 		rtlefuse->autoload_failflag = true;
12871246 	} else {
1288
-		RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1247
+		rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
12891248 		rtlefuse->autoload_failflag = false;
12901249 	}
12911250 
....@@ -1296,30 +1255,30 @@
12961255 	rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
12971256 	rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
12981257 	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);
1258
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1259
+		"EEPROMId = 0x%4x\n", eeprom_id);
1260
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1261
+		"EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1262
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1263
+		"EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1264
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1265
+		"EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1266
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1267
+		"EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
13091268 
13101269 	for (i = 0; i < 6; i += 2) {
13111270 		usvalue = *(u16 *)&hwinfo[params[5] + i];
13121271 		*((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
13131272 	}
1314
-	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1273
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
13151274 
13161275 	rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
13171276 	rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
13181277 	rtlefuse->txpwr_fromeprom = true;
13191278 	rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
13201279 
1321
-	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1322
-		 "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1280
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
1281
+		"EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
13231282 
13241283 	/* set channel plan to world wide 13 */
13251284 	rtlefuse->channel_plan = params[9];