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1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2009-2010 Realtek Corporation. | |
4 | * | |
5 | * Tmis program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Tmis program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * tmis program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * Tme full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | *****************************************************************************/ | |
29 | ||
30 | #include "wifi.h" | |
31 | #include "efuse.h" | |
32 | ||
33 | static const u8 MAX_PGPKT_SIZE = 9; | |
34 | static const u8 PGPKT_DATA_SIZE = 8; | |
35 | static const int EFUSE_MAX_SIZE = 512; | |
36 | ||
37 | static const u8 EFUSE_OOB_PROTECT_BYTES = 15; | |
38 | ||
39 | static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = { | |
40 | {0, 0, 0, 2}, | |
41 | {0, 1, 0, 2}, | |
42 | {0, 2, 0, 2}, | |
43 | {1, 0, 0, 1}, | |
44 | {1, 0, 1, 1}, | |
45 | {1, 1, 0, 1}, | |
46 | {1, 1, 1, 3}, | |
47 | {1, 3, 0, 17}, | |
48 | {3, 3, 1, 48}, | |
49 | {10, 0, 0, 6}, | |
50 | {10, 3, 0, 1}, | |
51 | {10, 3, 1, 1}, | |
52 | {11, 0, 0, 28} | |
53 | }; | |
54 | ||
55 | static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, | |
56 | u8 *pbuf); | |
57 | static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset, | |
58 | u8 *value); | |
59 | static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset, | |
60 | u16 *value); | |
61 | static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset, | |
62 | u32 *value); | |
63 | static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset, | |
64 | u8 value); | |
65 | static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset, | |
66 | u16 value); | |
67 | static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset, | |
68 | u32 value); | |
69 | static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, | |
70 | u8 *data); | |
71 | static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, | |
72 | u8 data); | |
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, | |
75 | u8 *data); | |
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, | |
79 | u8 *targetdata); | |
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, | |
83 | u8 pwrstate); | |
84 | static u16 efuse_get_current_size(struct ieee80211_hw *hw); | |
85 | static u8 efuse_calculate_word_cnts(u8 word_en); | |
86 | ||
87 | void efuse_initialize(struct ieee80211_hw *hw) | |
88 | { | |
89 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
90 | u8 bytetemp; | |
91 | u8 temp; | |
92 | ||
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); | |
96 | ||
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); | |
100 | ||
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); | |
104 | ||
105 | rtl_write_byte(rtlpriv, 0x2F8, 0x3); | |
106 | ||
107 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72); | |
108 | ||
109 | } | |
110 | ||
111 | u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address) | |
112 | { | |
113 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
114 | u8 data; | |
115 | u8 bytetemp; | |
116 | u8 temp; | |
117 | u32 k = 0; | |
118 | ||
119 | if (address < EFUSE_REAL_CONTENT_LEN) { | |
120 | temp = address & 0xFF; | |
121 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1, | |
122 | temp); | |
123 | bytetemp = rtl_read_byte(rtlpriv, | |
124 | rtlpriv->cfg->maps[EFUSE_CTRL] + 2); | |
125 | temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC); | |
126 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2, | |
127 | temp); | |
128 | ||
129 | bytetemp = rtl_read_byte(rtlpriv, | |
130 | rtlpriv->cfg->maps[EFUSE_CTRL] + 3); | |
131 | temp = bytetemp & 0x7F; | |
132 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, | |
133 | temp); | |
134 | ||
135 | bytetemp = rtl_read_byte(rtlpriv, | |
136 | rtlpriv->cfg->maps[EFUSE_CTRL] + 3); | |
137 | while (!(bytetemp & 0x80)) { | |
138 | bytetemp = rtl_read_byte(rtlpriv, | |
139 | rtlpriv->cfg-> | |
140 | maps[EFUSE_CTRL] + 3); | |
141 | k++; | |
142 | if (k == 1000) { | |
143 | k = 0; | |
144 | break; | |
145 | } | |
146 | } | |
147 | data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]); | |
148 | return data; | |
149 | } else | |
150 | return 0xFF; | |
151 | ||
152 | } | |
153 | EXPORT_SYMBOL(efuse_read_1byte); | |
154 | ||
155 | void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value) | |
156 | { | |
157 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
158 | u8 bytetemp; | |
159 | u8 temp; | |
160 | u32 k = 0; | |
161 | ||
162 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, | |
163 | ("Addr=%x Data =%x\n", address, value)); | |
164 | ||
165 | if (address < EFUSE_REAL_CONTENT_LEN) { | |
166 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value); | |
167 | ||
168 | temp = address & 0xFF; | |
169 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1, | |
170 | temp); | |
171 | bytetemp = rtl_read_byte(rtlpriv, | |
172 | rtlpriv->cfg->maps[EFUSE_CTRL] + 2); | |
173 | ||
174 | temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC); | |
175 | rtl_write_byte(rtlpriv, | |
176 | rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp); | |
177 | ||
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); | |
183 | ||
184 | bytetemp = rtl_read_byte(rtlpriv, | |
185 | rtlpriv->cfg->maps[EFUSE_CTRL] + 3); | |
186 | ||
187 | while (bytetemp & 0x80) { | |
188 | bytetemp = rtl_read_byte(rtlpriv, | |
189 | rtlpriv->cfg-> | |
190 | maps[EFUSE_CTRL] + 3); | |
191 | k++; | |
192 | if (k == 100) { | |
193 | k = 0; | |
194 | break; | |
195 | } | |
196 | } | |
197 | } | |
198 | ||
199 | } | |
200 | ||
201 | static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf) | |
202 | { | |
203 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
204 | u32 value32; | |
205 | u8 readbyte; | |
206 | u16 retry; | |
207 | ||
208 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1, | |
209 | (_offset & 0xff)); | |
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)); | |
213 | ||
214 | readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3); | |
215 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, | |
216 | (readbyte & 0x7f)); | |
217 | ||
218 | retry = 0; | |
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]); | |
223 | retry++; | |
224 | } | |
225 | ||
226 | udelay(50); | |
227 | value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]); | |
228 | ||
229 | *pbuf = (u8) (value32 & 0xff); | |
230 | } | |
231 | ||
232 | void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) | |
233 | { | |
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]; | |
237 | u8 rtemp8[1]; | |
238 | u16 efuse_addr = 0; | |
239 | u8 offset, wren; | |
240 | u16 i; | |
241 | u16 j; | |
242 | u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT]; | |
243 | u16 efuse_utilized = 0; | |
244 | u8 efuse_usage; | |
245 | ||
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)); | |
250 | return; | |
251 | } | |
252 | ||
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; | |
256 | ||
257 | read_efuse_byte(hw, efuse_addr, rtemp8); | |
258 | if (*rtemp8 != 0xFF) { | |
259 | efuse_utilized++; | |
260 | RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL, | |
261 | ("Addr=%d\n", efuse_addr)); | |
262 | efuse_addr++; | |
263 | } | |
264 | ||
265 | while ((*rtemp8 != 0xFF) && (efuse_addr < EFUSE_REAL_CONTENT_LEN)) { | |
266 | offset = ((*rtemp8 >> 4) & 0x0f); | |
267 | ||
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)); | |
272 | ||
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", | |
277 | efuse_addr)); | |
278 | ||
279 | read_efuse_byte(hw, efuse_addr, rtemp8); | |
280 | efuse_addr++; | |
281 | efuse_utilized++; | |
282 | efuse_word[offset][i] = (*rtemp8 & 0xff); | |
283 | ||
284 | if (efuse_addr >= EFUSE_REAL_CONTENT_LEN) | |
285 | break; | |
286 | ||
287 | RTPRINT(rtlpriv, FEEPROM, | |
288 | EFUSE_READ_ALL, ("Addr=%d\n", | |
289 | efuse_addr)); | |
290 | ||
291 | read_efuse_byte(hw, efuse_addr, rtemp8); | |
292 | efuse_addr++; | |
293 | efuse_utilized++; | |
294 | efuse_word[offset][i] |= | |
295 | (((u16)*rtemp8 << 8) & 0xff00); | |
296 | ||
297 | if (efuse_addr >= EFUSE_REAL_CONTENT_LEN) | |
298 | break; | |
299 | } | |
300 | ||
301 | wren >>= 1; | |
302 | } | |
303 | } | |
304 | ||
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)) { | |
309 | efuse_utilized++; | |
310 | efuse_addr++; | |
311 | } | |
312 | } | |
313 | ||
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); | |
320 | } | |
321 | } | |
322 | ||
323 | for (i = 0; i < _size_byte; i++) | |
324 | pbuf[i] = efuse_tbl[_offset + i]; | |
325 | ||
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, | |
332 | (u8 *)&efuse_usage); | |
333 | } | |
334 | ||
335 | bool efuse_shadow_update_chk(struct ieee80211_hw *hw) | |
336 | { | |
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; | |
342 | ||
343 | for (section_idx = 0; section_idx < 16; section_idx++) { | |
344 | Base = section_idx * 8; | |
345 | bwordchanged = false; | |
346 | ||
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 + | |
352 | 1])) { | |
353 | words_need++; | |
354 | bwordchanged = true; | |
355 | } | |
356 | } | |
357 | ||
358 | if (bwordchanged == true) | |
359 | hdr_num++; | |
360 | } | |
361 | ||
362 | totalbytes = hdr_num + words_need * 2; | |
363 | efuse_used = rtlefuse->efuse_usedbytes; | |
364 | ||
365 | if ((totalbytes + efuse_used) >= | |
366 | (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) | |
367 | bresult = false; | |
368 | ||
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)); | |
373 | ||
374 | return bresult; | |
375 | } | |
376 | ||
377 | void efuse_shadow_read(struct ieee80211_hw *hw, u8 type, | |
378 | u16 offset, u32 *value) | |
379 | { | |
380 | if (type == 1) | |
381 | efuse_shadow_read_1byte(hw, offset, (u8 *) value); | |
382 | else if (type == 2) | |
383 | efuse_shadow_read_2byte(hw, offset, (u16 *) value); | |
384 | else if (type == 4) | |
385 | efuse_shadow_read_4byte(hw, offset, (u32 *) value); | |
386 | ||
387 | } | |
388 | ||
389 | void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset, | |
390 | u32 value) | |
391 | { | |
392 | if (type == 1) | |
393 | efuse_shadow_write_1byte(hw, offset, (u8) value); | |
394 | else if (type == 2) | |
395 | efuse_shadow_write_2byte(hw, offset, (u16) value); | |
396 | else if (type == 4) | |
397 | efuse_shadow_write_4byte(hw, offset, (u32) value); | |
398 | ||
399 | } | |
400 | ||
401 | bool efuse_shadow_update(struct ieee80211_hw *hw) | |
402 | { | |
403 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
404 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
405 | u16 i, offset, base; | |
406 | u8 word_en = 0x0F; | |
407 | u8 first_pg = false; | |
408 | ||
409 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n")); | |
410 | ||
411 | if (!efuse_shadow_update_chk(hw)) { | |
412 | efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]); | |
413 | memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], | |
414 | (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], | |
415 | rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]); | |
416 | ||
417 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, | |
418 | ("<---efuse out of capacity!!\n")); | |
419 | return false; | |
420 | } | |
421 | efuse_power_switch(hw, true, true); | |
422 | ||
423 | for (offset = 0; offset < 16; offset++) { | |
424 | ||
425 | word_en = 0x0F; | |
426 | base = offset * 8; | |
427 | ||
428 | for (i = 0; i < 8; i++) { | |
429 | if (first_pg == true) { | |
430 | ||
431 | word_en &= ~(BIT(i / 2)); | |
432 | ||
433 | rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] = | |
434 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]; | |
435 | } else { | |
436 | ||
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)); | |
440 | ||
441 | rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] = | |
442 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]; | |
443 | } | |
444 | } | |
445 | } | |
446 | ||
447 | if (word_en != 0x0F) { | |
448 | u8 tmpdata[8]; | |
449 | memcpy((void *)tmpdata, | |
450 | (void *)(&rtlefuse-> | |
451 | efuse_map[EFUSE_MODIFY_MAP][base]), 8); | |
452 | RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD, | |
453 | ("U-efuse\n"), tmpdata, 8); | |
454 | ||
455 | if (!efuse_pg_packet_write(hw, (u8) offset, word_en, | |
456 | tmpdata)) { | |
457 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
458 | ("PG section(%#x) fail!!\n", offset)); | |
459 | break; | |
460 | } | |
461 | } | |
462 | ||
463 | } | |
464 | ||
465 | efuse_power_switch(hw, true, false); | |
466 | efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]); | |
467 | ||
468 | memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], | |
469 | (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], | |
470 | rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]); | |
471 | ||
472 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n")); | |
473 | return true; | |
474 | } | |
475 | ||
476 | void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw) | |
477 | { | |
478 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
479 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
480 | ||
481 | if (rtlefuse->autoload_failflag == true) { | |
482 | memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128, | |
483 | 0xFF); | |
484 | } else | |
485 | efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]); | |
486 | ||
487 | memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], | |
488 | (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], | |
489 | rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]); | |
490 | ||
491 | } | |
492 | EXPORT_SYMBOL(rtl_efuse_shadow_map_update); | |
493 | ||
494 | void efuse_force_write_vendor_Id(struct ieee80211_hw *hw) | |
495 | { | |
496 | u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF }; | |
497 | ||
498 | efuse_power_switch(hw, true, true); | |
499 | ||
500 | efuse_pg_packet_write(hw, 1, 0xD, tmpdata); | |
501 | ||
502 | efuse_power_switch(hw, true, false); | |
503 | ||
504 | } | |
505 | ||
506 | void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx) | |
507 | { | |
508 | } | |
509 | ||
510 | static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, | |
511 | u16 offset, u8 *value) | |
512 | { | |
513 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
514 | *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset]; | |
515 | } | |
516 | ||
517 | static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, | |
518 | u16 offset, u16 *value) | |
519 | { | |
520 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
521 | ||
522 | *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset]; | |
523 | *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8; | |
524 | ||
525 | } | |
526 | ||
527 | static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, | |
528 | u16 offset, u32 *value) | |
529 | { | |
530 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
531 | ||
532 | *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset]; | |
533 | *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8; | |
534 | *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16; | |
535 | *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24; | |
536 | } | |
537 | ||
538 | static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, | |
539 | u16 offset, u8 value) | |
540 | { | |
541 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
542 | ||
543 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value; | |
544 | } | |
545 | ||
546 | static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, | |
547 | u16 offset, u16 value) | |
548 | { | |
549 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
550 | ||
551 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF; | |
552 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8; | |
553 | ||
554 | } | |
555 | ||
556 | static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, | |
557 | u16 offset, u32 value) | |
558 | { | |
559 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
560 | ||
561 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = | |
562 | (u8) (value & 0x000000FF); | |
563 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = | |
564 | (u8) ((value >> 8) & 0x0000FF); | |
565 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] = | |
566 | (u8) ((value >> 16) & 0x00FF); | |
567 | rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] = | |
568 | (u8) ((value >> 24) & 0xFF); | |
569 | ||
570 | } | |
571 | ||
572 | static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data) | |
573 | { | |
574 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
575 | u8 tmpidx = 0; | |
576 | int bresult; | |
577 | ||
578 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1, | |
579 | (u8) (addr & 0xff)); | |
580 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2, | |
581 | ((u8) ((addr >> 8) & 0x03)) | | |
582 | (rtl_read_byte(rtlpriv, | |
583 | rtlpriv->cfg->maps[EFUSE_CTRL] + 2) & | |
584 | 0xFC)); | |
585 | ||
586 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72); | |
587 | ||
588 | while (!(0x80 & rtl_read_byte(rtlpriv, | |
589 | rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) | |
590 | && (tmpidx < 100)) { | |
591 | tmpidx++; | |
592 | } | |
593 | ||
594 | if (tmpidx < 100) { | |
595 | *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]); | |
596 | bresult = true; | |
597 | } else { | |
598 | *data = 0xff; | |
599 | bresult = false; | |
600 | } | |
601 | return bresult; | |
602 | } | |
603 | ||
604 | static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data) | |
605 | { | |
606 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
607 | u8 tmpidx = 0; | |
608 | bool bresult; | |
609 | ||
610 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, | |
611 | ("Addr = %x Data=%x\n", addr, data)); | |
612 | ||
613 | rtl_write_byte(rtlpriv, | |
614 | rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff)); | |
615 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2, | |
616 | (rtl_read_byte(rtlpriv, | |
617 | rtlpriv->cfg->maps[EFUSE_CTRL] + | |
618 | 2) & 0xFC) | (u8) ((addr >> 8) & 0x03)); | |
619 | ||
620 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data); | |
621 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2); | |
622 | ||
623 | while ((0x80 & rtl_read_byte(rtlpriv, | |
624 | rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) | |
625 | && (tmpidx < 100)) { | |
626 | tmpidx++; | |
627 | } | |
628 | ||
629 | if (tmpidx < 100) | |
630 | bresult = true; | |
631 | else | |
632 | bresult = false; | |
633 | ||
634 | return bresult; | |
635 | } | |
636 | ||
637 | static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse) | |
638 | { | |
639 | efuse_power_switch(hw, false, true); | |
640 | read_efuse(hw, 0, 128, efuse); | |
641 | efuse_power_switch(hw, false, false); | |
642 | } | |
643 | ||
644 | static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr, | |
645 | u8 efuse_data, u8 offset, u8 *tmpdata, | |
646 | u8 *readstate) | |
647 | { | |
648 | bool bdataempty = true; | |
649 | u8 hoffset; | |
650 | u8 tmpidx; | |
651 | u8 hworden; | |
652 | u8 word_cnts; | |
653 | ||
654 | hoffset = (efuse_data >> 4) & 0x0F; | |
655 | hworden = efuse_data & 0x0F; | |
656 | word_cnts = efuse_calculate_word_cnts(hworden); | |
657 | ||
658 | if (hoffset == offset) { | |
659 | for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) { | |
660 | if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx, | |
661 | &efuse_data)) { | |
662 | tmpdata[tmpidx] = efuse_data; | |
663 | if (efuse_data != 0xff) | |
664 | bdataempty = true; | |
665 | } | |
666 | } | |
667 | ||
668 | if (bdataempty == true) | |
669 | *readstate = PG_STATE_DATA; | |
670 | else { | |
671 | *efuse_addr = *efuse_addr + (word_cnts * 2) + 1; | |
672 | *readstate = PG_STATE_HEADER; | |
673 | } | |
674 | ||
675 | } else { | |
676 | *efuse_addr = *efuse_addr + (word_cnts * 2) + 1; | |
677 | *readstate = PG_STATE_HEADER; | |
678 | } | |
679 | } | |
680 | ||
681 | static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data) | |
682 | { | |
683 | u8 readstate = PG_STATE_HEADER; | |
684 | ||
685 | bool bcontinual = true; | |
686 | ||
687 | u8 efuse_data, word_cnts = 0; | |
688 | u16 efuse_addr = 0; | |
689 | u8 hworden; | |
690 | u8 tmpdata[8]; | |
691 | ||
692 | if (data == NULL) | |
693 | return false; | |
694 | if (offset > 15) | |
695 | return false; | |
696 | ||
697 | memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff); | |
698 | memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff); | |
699 | ||
700 | while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) { | |
701 | if (readstate & PG_STATE_HEADER) { | |
702 | if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) | |
703 | && (efuse_data != 0xFF)) | |
704 | efuse_read_data_case1(hw, &efuse_addr, | |
705 | efuse_data, | |
706 | offset, tmpdata, | |
707 | &readstate); | |
708 | else | |
709 | bcontinual = false; | |
710 | } else if (readstate & PG_STATE_DATA) { | |
711 | efuse_word_enable_data_read(hworden, tmpdata, data); | |
712 | efuse_addr = efuse_addr + (word_cnts * 2) + 1; | |
713 | readstate = PG_STATE_HEADER; | |
714 | } | |
715 | ||
716 | } | |
717 | ||
718 | if ((data[0] == 0xff) && (data[1] == 0xff) && | |
719 | (data[2] == 0xff) && (data[3] == 0xff) && | |
720 | (data[4] == 0xff) && (data[5] == 0xff) && | |
721 | (data[6] == 0xff) && (data[7] == 0xff)) | |
722 | return false; | |
723 | else | |
724 | return true; | |
725 | ||
726 | } | |
727 | ||
728 | static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr, | |
bc5892c9 CL |
729 | u8 efuse_data, u8 offset, int *bcontinual, |
730 | u8 *write_state, struct pgpkt_struct *target_pkt, | |
731 | int *repeat_times, int *bresult, u8 word_en) | |
0c817338 LF |
732 | { |
733 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
734 | struct pgpkt_struct tmp_pkt; | |
735 | int bdataempty = true; | |
736 | u8 originaldata[8 * sizeof(u8)]; | |
737 | u8 badworden = 0x0F; | |
738 | u8 match_word_en, tmp_word_en; | |
739 | u8 tmpindex; | |
740 | u8 tmp_header = efuse_data; | |
741 | u8 tmp_word_cnts; | |
742 | ||
743 | tmp_pkt.offset = (tmp_header >> 4) & 0x0F; | |
744 | tmp_pkt.word_en = tmp_header & 0x0F; | |
745 | tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en); | |
746 | ||
bc5892c9 CL |
747 | if (tmp_pkt.offset != target_pkt->offset) { |
748 | *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1; | |
0c817338 LF |
749 | *write_state = PG_STATE_HEADER; |
750 | } else { | |
751 | for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) { | |
752 | u16 address = *efuse_addr + 1 + tmpindex; | |
753 | if (efuse_one_byte_read(hw, address, | |
754 | &efuse_data) && (efuse_data != 0xFF)) | |
755 | bdataempty = false; | |
756 | } | |
757 | ||
758 | if (bdataempty == false) { | |
bc5892c9 | 759 | *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1; |
0c817338 LF |
760 | *write_state = PG_STATE_HEADER; |
761 | } else { | |
762 | match_word_en = 0x0F; | |
bc5892c9 | 763 | if (!((target_pkt->word_en & BIT(0)) | |
0c817338 LF |
764 | (tmp_pkt.word_en & BIT(0)))) |
765 | match_word_en &= (~BIT(0)); | |
766 | ||
bc5892c9 | 767 | if (!((target_pkt->word_en & BIT(1)) | |
0c817338 LF |
768 | (tmp_pkt.word_en & BIT(1)))) |
769 | match_word_en &= (~BIT(1)); | |
770 | ||
bc5892c9 | 771 | if (!((target_pkt->word_en & BIT(2)) | |
0c817338 LF |
772 | (tmp_pkt.word_en & BIT(2)))) |
773 | match_word_en &= (~BIT(2)); | |
774 | ||
bc5892c9 | 775 | if (!((target_pkt->word_en & BIT(3)) | |
0c817338 LF |
776 | (tmp_pkt.word_en & BIT(3)))) |
777 | match_word_en &= (~BIT(3)); | |
778 | ||
779 | if ((match_word_en & 0x0F) != 0x0F) { | |
780 | badworden = efuse_word_enable_data_write( | |
781 | hw, *efuse_addr + 1, | |
782 | tmp_pkt.word_en, | |
bc5892c9 | 783 | target_pkt->data); |
0c817338 LF |
784 | |
785 | if (0x0F != (badworden & 0x0F)) { | |
786 | u8 reorg_offset = offset; | |
787 | u8 reorg_worden = badworden; | |
788 | efuse_pg_packet_write(hw, reorg_offset, | |
789 | reorg_worden, | |
790 | originaldata); | |
791 | } | |
792 | ||
793 | tmp_word_en = 0x0F; | |
bc5892c9 | 794 | if ((target_pkt->word_en & BIT(0)) ^ |
0c817338 LF |
795 | (match_word_en & BIT(0))) |
796 | tmp_word_en &= (~BIT(0)); | |
797 | ||
bc5892c9 | 798 | if ((target_pkt->word_en & BIT(1)) ^ |
0c817338 LF |
799 | (match_word_en & BIT(1))) |
800 | tmp_word_en &= (~BIT(1)); | |
801 | ||
bc5892c9 | 802 | if ((target_pkt->word_en & BIT(2)) ^ |
0c817338 LF |
803 | (match_word_en & BIT(2))) |
804 | tmp_word_en &= (~BIT(2)); | |
805 | ||
bc5892c9 | 806 | if ((target_pkt->word_en & BIT(3)) ^ |
0c817338 LF |
807 | (match_word_en & BIT(3))) |
808 | tmp_word_en &= (~BIT(3)); | |
809 | ||
810 | if ((tmp_word_en & 0x0F) != 0x0F) { | |
811 | *efuse_addr = efuse_get_current_size(hw); | |
bc5892c9 CL |
812 | target_pkt->offset = offset; |
813 | target_pkt->word_en = tmp_word_en; | |
0c817338 LF |
814 | } else |
815 | *bcontinual = false; | |
816 | *write_state = PG_STATE_HEADER; | |
817 | *repeat_times += 1; | |
818 | if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) { | |
819 | *bcontinual = false; | |
820 | *bresult = false; | |
821 | } | |
822 | } else { | |
823 | *efuse_addr += (2 * tmp_word_cnts) + 1; | |
bc5892c9 CL |
824 | target_pkt->offset = offset; |
825 | target_pkt->word_en = word_en; | |
0c817338 LF |
826 | *write_state = PG_STATE_HEADER; |
827 | } | |
828 | } | |
829 | } | |
830 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n")); | |
831 | } | |
832 | ||
833 | static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr, | |
834 | int *bcontinual, u8 *write_state, | |
835 | struct pgpkt_struct target_pkt, | |
836 | int *repeat_times, int *bresult) | |
837 | { | |
838 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
839 | struct pgpkt_struct tmp_pkt; | |
840 | u8 pg_header; | |
841 | u8 tmp_header; | |
842 | u8 originaldata[8 * sizeof(u8)]; | |
843 | u8 tmp_word_cnts; | |
844 | u8 badworden = 0x0F; | |
845 | ||
846 | pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en; | |
847 | efuse_one_byte_write(hw, *efuse_addr, pg_header); | |
848 | efuse_one_byte_read(hw, *efuse_addr, &tmp_header); | |
849 | ||
850 | if (tmp_header == pg_header) | |
851 | *write_state = PG_STATE_DATA; | |
852 | else if (tmp_header == 0xFF) { | |
853 | *write_state = PG_STATE_HEADER; | |
854 | *repeat_times += 1; | |
855 | if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) { | |
856 | *bcontinual = false; | |
857 | *bresult = false; | |
858 | } | |
859 | } else { | |
860 | tmp_pkt.offset = (tmp_header >> 4) & 0x0F; | |
861 | tmp_pkt.word_en = tmp_header & 0x0F; | |
862 | ||
863 | tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en); | |
864 | ||
865 | memset((void *)originaldata, 8 * sizeof(u8), 0xff); | |
866 | ||
867 | if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) { | |
868 | badworden = efuse_word_enable_data_write(hw, | |
869 | *efuse_addr + 1, tmp_pkt.word_en, | |
870 | originaldata); | |
871 | ||
872 | if (0x0F != (badworden & 0x0F)) { | |
873 | u8 reorg_offset = tmp_pkt.offset; | |
874 | u8 reorg_worden = badworden; | |
875 | efuse_pg_packet_write(hw, reorg_offset, | |
876 | reorg_worden, | |
877 | originaldata); | |
878 | *efuse_addr = efuse_get_current_size(hw); | |
879 | } else | |
880 | *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) | |
881 | + 1; | |
882 | } else | |
883 | *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1; | |
884 | ||
885 | *write_state = PG_STATE_HEADER; | |
886 | *repeat_times += 1; | |
887 | if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) { | |
888 | *bcontinual = false; | |
889 | *bresult = false; | |
890 | } | |
891 | ||
892 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, | |
893 | ("efuse PG_STATE_HEADER-2\n")); | |
894 | } | |
895 | } | |
896 | ||
897 | static int efuse_pg_packet_write(struct ieee80211_hw *hw, | |
898 | u8 offset, u8 word_en, u8 *data) | |
899 | { | |
900 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
901 | struct pgpkt_struct target_pkt; | |
902 | u8 write_state = PG_STATE_HEADER; | |
903 | int bcontinual = true, bdataempty = true, bresult = true; | |
904 | u16 efuse_addr = 0; | |
905 | u8 efuse_data; | |
906 | u8 target_word_cnts = 0; | |
907 | u8 badworden = 0x0F; | |
908 | static int repeat_times; | |
909 | ||
910 | if (efuse_get_current_size(hw) >= | |
911 | (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) { | |
912 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, | |
913 | ("efuse_pg_packet_write error\n")); | |
914 | return false; | |
915 | } | |
916 | ||
917 | target_pkt.offset = offset; | |
918 | target_pkt.word_en = word_en; | |
919 | ||
920 | memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF); | |
921 | ||
922 | efuse_word_enable_data_read(word_en, data, target_pkt.data); | |
923 | target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en); | |
924 | ||
925 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n")); | |
926 | ||
927 | while (bcontinual && (efuse_addr < | |
928 | (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) { | |
929 | ||
930 | if (write_state == PG_STATE_HEADER) { | |
931 | bdataempty = true; | |
932 | badworden = 0x0F; | |
933 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, | |
934 | ("efuse PG_STATE_HEADER\n")); | |
935 | ||
936 | if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) && | |
937 | (efuse_data != 0xFF)) | |
938 | efuse_write_data_case1(hw, &efuse_addr, | |
939 | efuse_data, offset, | |
940 | &bcontinual, | |
bc5892c9 | 941 | &write_state, &target_pkt, |
0c817338 LF |
942 | &repeat_times, &bresult, |
943 | word_en); | |
944 | else | |
945 | efuse_write_data_case2(hw, &efuse_addr, | |
946 | &bcontinual, | |
947 | &write_state, | |
948 | target_pkt, | |
949 | &repeat_times, | |
950 | &bresult); | |
951 | ||
952 | } else if (write_state == PG_STATE_DATA) { | |
953 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, | |
954 | ("efuse PG_STATE_DATA\n")); | |
955 | badworden = 0x0f; | |
956 | badworden = | |
957 | efuse_word_enable_data_write(hw, efuse_addr + 1, | |
958 | target_pkt.word_en, | |
959 | target_pkt.data); | |
960 | ||
961 | if ((badworden & 0x0F) == 0x0F) { | |
962 | bcontinual = false; | |
963 | } else { | |
964 | efuse_addr = | |
965 | efuse_addr + (2 * target_word_cnts) + 1; | |
966 | ||
967 | target_pkt.offset = offset; | |
968 | target_pkt.word_en = badworden; | |
969 | target_word_cnts = | |
970 | efuse_calculate_word_cnts(target_pkt. | |
971 | word_en); | |
972 | write_state = PG_STATE_HEADER; | |
973 | repeat_times++; | |
974 | if (repeat_times > EFUSE_REPEAT_THRESHOLD_) { | |
975 | bcontinual = false; | |
976 | bresult = false; | |
977 | } | |
978 | RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, | |
979 | ("efuse PG_STATE_HEADER-3\n")); | |
980 | } | |
981 | } | |
982 | } | |
983 | ||
984 | if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) { | |
985 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, | |
986 | ("efuse_addr(%#x) Out of size!!\n", efuse_addr)); | |
987 | } | |
988 | ||
989 | return true; | |
990 | } | |
991 | ||
992 | static void efuse_word_enable_data_read(u8 word_en, | |
993 | u8 *sourdata, u8 *targetdata) | |
994 | { | |
995 | if (!(word_en & BIT(0))) { | |
996 | targetdata[0] = sourdata[0]; | |
997 | targetdata[1] = sourdata[1]; | |
998 | } | |
999 | ||
1000 | if (!(word_en & BIT(1))) { | |
1001 | targetdata[2] = sourdata[2]; | |
1002 | targetdata[3] = sourdata[3]; | |
1003 | } | |
1004 | ||
1005 | if (!(word_en & BIT(2))) { | |
1006 | targetdata[4] = sourdata[4]; | |
1007 | targetdata[5] = sourdata[5]; | |
1008 | } | |
1009 | ||
1010 | if (!(word_en & BIT(3))) { | |
1011 | targetdata[6] = sourdata[6]; | |
1012 | targetdata[7] = sourdata[7]; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw, | |
1017 | u16 efuse_addr, u8 word_en, u8 *data) | |
1018 | { | |
1019 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1020 | u16 tmpaddr; | |
1021 | u16 start_addr = efuse_addr; | |
1022 | u8 badworden = 0x0F; | |
1023 | u8 tmpdata[8]; | |
1024 | ||
1025 | memset((void *)tmpdata, PGPKT_DATA_SIZE, 0xff); | |
1026 | RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, | |
1027 | ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr)); | |
1028 | ||
1029 | if (!(word_en & BIT(0))) { | |
1030 | tmpaddr = start_addr; | |
1031 | efuse_one_byte_write(hw, start_addr++, data[0]); | |
1032 | efuse_one_byte_write(hw, start_addr++, data[1]); | |
1033 | ||
1034 | efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]); | |
1035 | efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]); | |
1036 | if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1])) | |
1037 | badworden &= (~BIT(0)); | |
1038 | } | |
1039 | ||
1040 | if (!(word_en & BIT(1))) { | |
1041 | tmpaddr = start_addr; | |
1042 | efuse_one_byte_write(hw, start_addr++, data[2]); | |
1043 | efuse_one_byte_write(hw, start_addr++, data[3]); | |
1044 | ||
1045 | efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]); | |
1046 | efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]); | |
1047 | if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3])) | |
1048 | badworden &= (~BIT(1)); | |
1049 | } | |
1050 | ||
1051 | if (!(word_en & BIT(2))) { | |
1052 | tmpaddr = start_addr; | |
1053 | efuse_one_byte_write(hw, start_addr++, data[4]); | |
1054 | efuse_one_byte_write(hw, start_addr++, data[5]); | |
1055 | ||
1056 | efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]); | |
1057 | efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]); | |
1058 | if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5])) | |
1059 | badworden &= (~BIT(2)); | |
1060 | } | |
1061 | ||
1062 | if (!(word_en & BIT(3))) { | |
1063 | tmpaddr = start_addr; | |
1064 | efuse_one_byte_write(hw, start_addr++, data[6]); | |
1065 | efuse_one_byte_write(hw, start_addr++, data[7]); | |
1066 | ||
1067 | efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]); | |
1068 | efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]); | |
1069 | if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7])) | |
1070 | badworden &= (~BIT(3)); | |
1071 | } | |
1072 | ||
1073 | return badworden; | |
1074 | } | |
1075 | ||
1076 | static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite, u8 pwrstate) | |
1077 | { | |
1078 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1079 | u8 tempval; | |
1080 | u16 tmpV16; | |
1081 | ||
1082 | if (pwrstate == true) { | |
1083 | tmpV16 = rtl_read_word(rtlpriv, | |
1084 | rtlpriv->cfg->maps[SYS_ISO_CTRL]); | |
1085 | if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) { | |
1086 | tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V]; | |
1087 | rtl_write_word(rtlpriv, | |
1088 | rtlpriv->cfg->maps[SYS_ISO_CTRL], | |
1089 | tmpV16); | |
1090 | } | |
1091 | ||
1092 | tmpV16 = rtl_read_word(rtlpriv, | |
1093 | rtlpriv->cfg->maps[SYS_FUNC_EN]); | |
1094 | if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) { | |
1095 | tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR]; | |
1096 | rtl_write_word(rtlpriv, | |
1097 | rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16); | |
1098 | } | |
1099 | ||
1100 | tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]); | |
1101 | if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) || | |
1102 | (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) { | |
1103 | tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] | | |
1104 | rtlpriv->cfg->maps[EFUSE_ANA8M]); | |
1105 | rtl_write_word(rtlpriv, | |
1106 | rtlpriv->cfg->maps[SYS_CLK], tmpV16); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | if (pwrstate == true) { | |
1111 | if (bwrite == true) { | |
1112 | tempval = rtl_read_byte(rtlpriv, | |
1113 | rtlpriv->cfg->maps[EFUSE_TEST] + | |
1114 | 3); | |
1115 | tempval &= 0x0F; | |
1116 | tempval |= (VOLTAGE_V25 << 4); | |
1117 | rtl_write_byte(rtlpriv, | |
1118 | rtlpriv->cfg->maps[EFUSE_TEST] + 3, | |
1119 | (tempval | 0x80)); | |
1120 | } | |
1121 | ||
1122 | } else { | |
1123 | if (bwrite == true) { | |
1124 | tempval = rtl_read_byte(rtlpriv, | |
1125 | rtlpriv->cfg->maps[EFUSE_TEST] + | |
1126 | 3); | |
1127 | rtl_write_byte(rtlpriv, | |
1128 | rtlpriv->cfg->maps[EFUSE_TEST] + 3, | |
1129 | (tempval & 0x7F)); | |
1130 | } | |
1131 | ||
1132 | } | |
1133 | ||
1134 | } | |
1135 | ||
1136 | static u16 efuse_get_current_size(struct ieee80211_hw *hw) | |
1137 | { | |
1138 | int bcontinual = true; | |
1139 | u16 efuse_addr = 0; | |
1140 | u8 hoffset, hworden; | |
1141 | u8 efuse_data, word_cnts; | |
1142 | ||
1143 | while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) | |
1144 | && (efuse_addr < EFUSE_MAX_SIZE)) { | |
1145 | if (efuse_data != 0xFF) { | |
1146 | hoffset = (efuse_data >> 4) & 0x0F; | |
1147 | hworden = efuse_data & 0x0F; | |
1148 | word_cnts = efuse_calculate_word_cnts(hworden); | |
1149 | efuse_addr = efuse_addr + (word_cnts * 2) + 1; | |
1150 | } else { | |
1151 | bcontinual = false; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | return efuse_addr; | |
1156 | } | |
1157 | ||
1158 | static u8 efuse_calculate_word_cnts(u8 word_en) | |
1159 | { | |
1160 | u8 word_cnts = 0; | |
1161 | if (!(word_en & BIT(0))) | |
1162 | word_cnts++; | |
1163 | if (!(word_en & BIT(1))) | |
1164 | word_cnts++; | |
1165 | if (!(word_en & BIT(2))) | |
1166 | word_cnts++; | |
1167 | if (!(word_en & BIT(3))) | |
1168 | word_cnts++; | |
1169 | return word_cnts; | |
1170 | } | |
1171 |