bcm43xx_phy.c 63 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121
  1. /*
  2. Broadcom BCM43xx wireless driver
  3. Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
  4. Stefano Brivio <st3@riseup.net>
  5. Michael Buesch <mbuesch@freenet.de>
  6. Danny van Dyk <kugelfang@gentoo.org>
  7. Andreas Jaggi <andreas.jaggi@waterwave.ch>
  8. Some parts of the code in this file are derived from the ipw2200
  9. driver Copyright(c) 2003 - 2004 Intel Corporation.
  10. This program is free software; you can redistribute it and/or modify
  11. it under the terms of the GNU General Public License as published by
  12. the Free Software Foundation; either version 2 of the License, or
  13. (at your option) any later version.
  14. This program is distributed in the hope that it will be useful,
  15. but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. GNU General Public License for more details.
  18. You should have received a copy of the GNU General Public License
  19. along with this program; see the file COPYING. If not, write to
  20. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  21. Boston, MA 02110-1301, USA.
  22. */
  23. #include <linux/delay.h>
  24. #include <linux/pci.h>
  25. #include <linux/types.h>
  26. #include "bcm43xx.h"
  27. #include "bcm43xx_phy.h"
  28. #include "bcm43xx_main.h"
  29. #include "bcm43xx_radio.h"
  30. #include "bcm43xx_ilt.h"
  31. #include "bcm43xx_power.h"
  32. static const s8 bcm43xx_tssi2dbm_b_table[] = {
  33. 0x4D, 0x4C, 0x4B, 0x4A,
  34. 0x4A, 0x49, 0x48, 0x47,
  35. 0x47, 0x46, 0x45, 0x45,
  36. 0x44, 0x43, 0x42, 0x42,
  37. 0x41, 0x40, 0x3F, 0x3E,
  38. 0x3D, 0x3C, 0x3B, 0x3A,
  39. 0x39, 0x38, 0x37, 0x36,
  40. 0x35, 0x34, 0x32, 0x31,
  41. 0x30, 0x2F, 0x2D, 0x2C,
  42. 0x2B, 0x29, 0x28, 0x26,
  43. 0x25, 0x23, 0x21, 0x1F,
  44. 0x1D, 0x1A, 0x17, 0x14,
  45. 0x10, 0x0C, 0x06, 0x00,
  46. -7, -7, -7, -7,
  47. -7, -7, -7, -7,
  48. -7, -7, -7, -7,
  49. };
  50. static const s8 bcm43xx_tssi2dbm_g_table[] = {
  51. 77, 77, 77, 76,
  52. 76, 76, 75, 75,
  53. 74, 74, 73, 73,
  54. 73, 72, 72, 71,
  55. 71, 70, 70, 69,
  56. 68, 68, 67, 67,
  57. 66, 65, 65, 64,
  58. 63, 63, 62, 61,
  59. 60, 59, 58, 57,
  60. 56, 55, 54, 53,
  61. 52, 50, 49, 47,
  62. 45, 43, 40, 37,
  63. 33, 28, 22, 14,
  64. 5, -7, -20, -20,
  65. -20, -20, -20, -20,
  66. -20, -20, -20, -20,
  67. };
  68. static void bcm43xx_phy_initg(struct bcm43xx_private *bcm);
  69. void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm)
  70. {
  71. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  72. assert(irqs_disabled());
  73. if (bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) == 0x00000000) {
  74. phy->is_locked = 0;
  75. return;
  76. }
  77. if (bcm->current_core->rev < 3) {
  78. bcm43xx_mac_suspend(bcm);
  79. spin_lock(&phy->lock);
  80. } else {
  81. if (bcm->ieee->iw_mode != IW_MODE_MASTER)
  82. bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
  83. }
  84. phy->is_locked = 1;
  85. }
  86. void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm)
  87. {
  88. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  89. assert(irqs_disabled());
  90. if (bcm->current_core->rev < 3) {
  91. if (phy->is_locked) {
  92. spin_unlock(&phy->lock);
  93. bcm43xx_mac_enable(bcm);
  94. }
  95. } else {
  96. if (bcm->ieee->iw_mode != IW_MODE_MASTER)
  97. bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
  98. }
  99. phy->is_locked = 0;
  100. }
  101. u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset)
  102. {
  103. bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
  104. return bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_DATA);
  105. }
  106. void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val)
  107. {
  108. bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
  109. mmiowb();
  110. bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_DATA, val);
  111. }
  112. void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm)
  113. {
  114. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  115. unsigned long flags;
  116. bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */
  117. if (phy->calibrated)
  118. return;
  119. if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) {
  120. /* We do not want to be preempted while calibrating
  121. * the hardware.
  122. */
  123. local_irq_save(flags);
  124. bcm43xx_wireless_core_reset(bcm, 0);
  125. bcm43xx_phy_initg(bcm);
  126. bcm43xx_wireless_core_reset(bcm, 1);
  127. local_irq_restore(flags);
  128. }
  129. phy->calibrated = 1;
  130. }
  131. /* Connect the PHY
  132. * http://bcm-specs.sipsolutions.net/SetPHY
  133. */
  134. int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect)
  135. {
  136. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  137. u32 flags;
  138. if (bcm->current_core->rev < 5)
  139. goto out;
  140. flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
  141. if (connect) {
  142. if (!(flags & 0x00010000))
  143. return -ENODEV;
  144. flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
  145. flags |= (0x800 << 18);
  146. bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
  147. } else {
  148. if (!(flags & 0x00020000))
  149. return -ENODEV;
  150. flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
  151. flags &= ~(0x800 << 18);
  152. bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
  153. }
  154. out:
  155. phy->connected = connect;
  156. if (connect)
  157. dprintk(KERN_INFO PFX "PHY connected\n");
  158. else
  159. dprintk(KERN_INFO PFX "PHY disconnected\n");
  160. return 0;
  161. }
  162. /* intialize B PHY power control
  163. * as described in http://bcm-specs.sipsolutions.net/InitPowerControl
  164. */
  165. static void bcm43xx_phy_init_pctl(struct bcm43xx_private *bcm)
  166. {
  167. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  168. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  169. u16 saved_batt = 0, saved_ratt = 0, saved_txctl1 = 0;
  170. int must_reset_txpower = 0;
  171. assert(phy->type != BCM43xx_PHYTYPE_A);
  172. if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
  173. (bcm->board_type == 0x0416))
  174. return;
  175. bcm43xx_write16(bcm, 0x03E6, bcm43xx_read16(bcm, 0x03E6) & 0xFFDF);
  176. bcm43xx_phy_write(bcm, 0x0028, 0x8018);
  177. if (phy->type == BCM43xx_PHYTYPE_G) {
  178. if (!phy->connected)
  179. return;
  180. bcm43xx_phy_write(bcm, 0x047A, 0xC111);
  181. }
  182. if (phy->savedpctlreg != 0xFFFF)
  183. return;
  184. if (phy->type == BCM43xx_PHYTYPE_B &&
  185. phy->rev >= 2 &&
  186. radio->version == 0x2050) {
  187. bcm43xx_radio_write16(bcm, 0x0076,
  188. bcm43xx_radio_read16(bcm, 0x0076) | 0x0084);
  189. } else {
  190. saved_batt = radio->baseband_atten;
  191. saved_ratt = radio->radio_atten;
  192. saved_txctl1 = radio->txctl1;
  193. if ((radio->revision >= 6) && (radio->revision <= 8)
  194. && /*FIXME: incomplete specs for 5 < revision < 9 */ 0)
  195. bcm43xx_radio_set_txpower_bg(bcm, 0xB, 0x1F, 0);
  196. else
  197. bcm43xx_radio_set_txpower_bg(bcm, 0xB, 9, 0);
  198. must_reset_txpower = 1;
  199. }
  200. bcm43xx_dummy_transmission(bcm);
  201. phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_PCTL);
  202. if (must_reset_txpower)
  203. bcm43xx_radio_set_txpower_bg(bcm, saved_batt, saved_ratt, saved_txctl1);
  204. else
  205. bcm43xx_radio_write16(bcm, 0x0076, bcm43xx_radio_read16(bcm, 0x0076) & 0xFF7B);
  206. bcm43xx_radio_clear_tssi(bcm);
  207. }
  208. static void bcm43xx_phy_agcsetup(struct bcm43xx_private *bcm)
  209. {
  210. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  211. u16 offset = 0x0000;
  212. if (phy->rev == 1)
  213. offset = 0x4C00;
  214. bcm43xx_ilt_write(bcm, offset, 0x00FE);
  215. bcm43xx_ilt_write(bcm, offset + 1, 0x000D);
  216. bcm43xx_ilt_write(bcm, offset + 2, 0x0013);
  217. bcm43xx_ilt_write(bcm, offset + 3, 0x0019);
  218. if (phy->rev == 1) {
  219. bcm43xx_ilt_write(bcm, 0x1800, 0x2710);
  220. bcm43xx_ilt_write(bcm, 0x1801, 0x9B83);
  221. bcm43xx_ilt_write(bcm, 0x1802, 0x9B83);
  222. bcm43xx_ilt_write(bcm, 0x1803, 0x0F8D);
  223. bcm43xx_phy_write(bcm, 0x0455, 0x0004);
  224. }
  225. bcm43xx_phy_write(bcm, 0x04A5, (bcm43xx_phy_read(bcm, 0x04A5) & 0x00FF) | 0x5700);
  226. bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xFF80) | 0x000F);
  227. bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xC07F) | 0x2B80);
  228. bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xF0FF) | 0x0300);
  229. bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0008);
  230. bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xFFF0) | 0x0008);
  231. bcm43xx_phy_write(bcm, 0x04A1, (bcm43xx_phy_read(bcm, 0x04A1) & 0xF0FF) | 0x0600);
  232. bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0700);
  233. bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0100);
  234. if (phy->rev == 1)
  235. bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x0007);
  236. bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xFF00) | 0x001C);
  237. bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xC0FF) | 0x0200);
  238. bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0xFF00) | 0x001C);
  239. bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xFF00) | 0x0020);
  240. bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xC0FF) | 0x0200);
  241. bcm43xx_phy_write(bcm, 0x0482, (bcm43xx_phy_read(bcm, 0x0482) & 0xFF00) | 0x002E);
  242. bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0x00FF) | 0x1A00);
  243. bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0xFF00) | 0x0028);
  244. bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0x00FF) | 0x2C00);
  245. if (phy->rev == 1) {
  246. bcm43xx_phy_write(bcm, 0x0430, 0x092B);
  247. bcm43xx_phy_write(bcm, 0x041B, (bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1) | 0x0002);
  248. } else {
  249. bcm43xx_phy_write(bcm, 0x041B, bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1);
  250. bcm43xx_phy_write(bcm, 0x041F, 0x287A);
  251. bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0xFFF0) | 0x0004);
  252. }
  253. if (phy->rev > 2) {
  254. bcm43xx_phy_write(bcm, 0x0422, 0x287A);
  255. bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0x0FFF) | 0x3000);
  256. }
  257. bcm43xx_phy_write(bcm, 0x04A8, (bcm43xx_phy_read(bcm, 0x04A8) & 0x8080) | 0x7874);
  258. bcm43xx_phy_write(bcm, 0x048E, 0x1C00);
  259. if (phy->rev == 1) {
  260. bcm43xx_phy_write(bcm, 0x04AB, (bcm43xx_phy_read(bcm, 0x04AB) & 0xF0FF) | 0x0600);
  261. bcm43xx_phy_write(bcm, 0x048B, 0x005E);
  262. bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xFF00) | 0x001E);
  263. bcm43xx_phy_write(bcm, 0x048D, 0x0002);
  264. }
  265. bcm43xx_ilt_write(bcm, offset + 0x0800, 0);
  266. bcm43xx_ilt_write(bcm, offset + 0x0801, 7);
  267. bcm43xx_ilt_write(bcm, offset + 0x0802, 16);
  268. bcm43xx_ilt_write(bcm, offset + 0x0803, 28);
  269. }
  270. static void bcm43xx_phy_setupg(struct bcm43xx_private *bcm)
  271. {
  272. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  273. u16 i;
  274. assert(phy->type == BCM43xx_PHYTYPE_G);
  275. if (phy->rev == 1) {
  276. bcm43xx_phy_write(bcm, 0x0406, 0x4F19);
  277. bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
  278. (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0xFC3F) | 0x0340);
  279. bcm43xx_phy_write(bcm, 0x042C, 0x005A);
  280. bcm43xx_phy_write(bcm, 0x0427, 0x001A);
  281. for (i = 0; i < BCM43xx_ILT_FINEFREQG_SIZE; i++)
  282. bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqg[i]);
  283. for (i = 0; i < BCM43xx_ILT_NOISEG1_SIZE; i++)
  284. bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg1[i]);
  285. for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
  286. bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
  287. } else {
  288. /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */
  289. bcm43xx_nrssi_hw_write(bcm, 0xBA98, (s16)0x7654);
  290. if (phy->rev == 2) {
  291. bcm43xx_phy_write(bcm, 0x04C0, 0x1861);
  292. bcm43xx_phy_write(bcm, 0x04C1, 0x0271);
  293. } else if (phy->rev > 2) {
  294. bcm43xx_phy_write(bcm, 0x04C0, 0x0098);
  295. bcm43xx_phy_write(bcm, 0x04C1, 0x0070);
  296. bcm43xx_phy_write(bcm, 0x04C9, 0x0080);
  297. }
  298. bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x800);
  299. for (i = 0; i < 64; i++)
  300. bcm43xx_ilt_write(bcm, 0x4000 + i, i);
  301. for (i = 0; i < BCM43xx_ILT_NOISEG2_SIZE; i++)
  302. bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg2[i]);
  303. }
  304. if (phy->rev <= 2)
  305. for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
  306. bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg1[i]);
  307. else if ((phy->rev == 7) && (bcm43xx_phy_read(bcm, 0x0449) & 0x0200))
  308. for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
  309. bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg3[i]);
  310. else
  311. for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
  312. bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg2[i]);
  313. if (phy->rev == 2)
  314. for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
  315. bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
  316. else if ((phy->rev > 2) && (phy->rev <= 7))
  317. for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
  318. bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr2[i]);
  319. if (phy->rev == 1) {
  320. for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
  321. bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
  322. for (i = 0; i < 4; i++) {
  323. bcm43xx_ilt_write(bcm, 0x5404 + i, 0x0020);
  324. bcm43xx_ilt_write(bcm, 0x5408 + i, 0x0020);
  325. bcm43xx_ilt_write(bcm, 0x540C + i, 0x0020);
  326. bcm43xx_ilt_write(bcm, 0x5410 + i, 0x0020);
  327. }
  328. bcm43xx_phy_agcsetup(bcm);
  329. if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
  330. (bcm->board_type == 0x0416) &&
  331. (bcm->board_revision == 0x0017))
  332. return;
  333. bcm43xx_ilt_write(bcm, 0x5001, 0x0002);
  334. bcm43xx_ilt_write(bcm, 0x5002, 0x0001);
  335. } else {
  336. for (i = 0; i <= 0x2F; i++)
  337. bcm43xx_ilt_write(bcm, 0x1000 + i, 0x0820);
  338. bcm43xx_phy_agcsetup(bcm);
  339. bcm43xx_phy_read(bcm, 0x0400); /* dummy read */
  340. bcm43xx_phy_write(bcm, 0x0403, 0x1000);
  341. bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
  342. bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
  343. if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
  344. (bcm->board_type == 0x0416) &&
  345. (bcm->board_revision == 0x0017))
  346. return;
  347. bcm43xx_ilt_write(bcm, 0x0401, 0x0002);
  348. bcm43xx_ilt_write(bcm, 0x0402, 0x0001);
  349. }
  350. }
  351. /* Initialize the noisescaletable for APHY */
  352. static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_private *bcm)
  353. {
  354. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  355. int i;
  356. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, 0x1400);
  357. for (i = 0; i < 12; i++) {
  358. if (phy->rev == 2)
  359. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
  360. else
  361. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
  362. }
  363. if (phy->rev == 2)
  364. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6700);
  365. else
  366. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2300);
  367. for (i = 0; i < 11; i++) {
  368. if (phy->rev == 2)
  369. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
  370. else
  371. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
  372. }
  373. if (phy->rev == 2)
  374. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0067);
  375. else
  376. bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0023);
  377. }
  378. static void bcm43xx_phy_setupa(struct bcm43xx_private *bcm)
  379. {
  380. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  381. u16 i;
  382. assert(phy->type == BCM43xx_PHYTYPE_A);
  383. switch (phy->rev) {
  384. case 2:
  385. bcm43xx_phy_write(bcm, 0x008E, 0x3800);
  386. bcm43xx_phy_write(bcm, 0x0035, 0x03FF);
  387. bcm43xx_phy_write(bcm, 0x0036, 0x0400);
  388. bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
  389. bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
  390. bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
  391. bcm43xx_ilt_write(bcm, 0x3C0C, 0x07BF);
  392. bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
  393. bcm43xx_phy_write(bcm, 0x0024, 0x4680);
  394. bcm43xx_phy_write(bcm, 0x0020, 0x0003);
  395. bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
  396. bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
  397. bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
  398. bcm43xx_phy_write(bcm, 0x002B, bcm43xx_phy_read(bcm, 0x002B) & 0xFBFF);
  399. bcm43xx_phy_write(bcm, 0x008E, 0x58C1);
  400. bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
  401. bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
  402. bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
  403. bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
  404. bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
  405. bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
  406. bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
  407. bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
  408. bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
  409. bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
  410. bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
  411. bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
  412. bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
  413. bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
  414. bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
  415. for (i = 0; i < 16; i++)
  416. bcm43xx_ilt_write(bcm, 0x4000 + i, (0x8 + i) & 0x000F);
  417. bcm43xx_ilt_write(bcm, 0x3003, 0x1044);
  418. bcm43xx_ilt_write(bcm, 0x3004, 0x7201);
  419. bcm43xx_ilt_write(bcm, 0x3006, 0x0040);
  420. bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
  421. for (i = 0; i < BCM43xx_ILT_FINEFREQA_SIZE; i++)
  422. bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqa[i]);
  423. for (i = 0; i < BCM43xx_ILT_NOISEA2_SIZE; i++)
  424. bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea2[i]);
  425. for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
  426. bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
  427. bcm43xx_phy_init_noisescaletbl(bcm);
  428. for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
  429. bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
  430. break;
  431. case 3:
  432. for (i = 0; i < 64; i++)
  433. bcm43xx_ilt_write(bcm, 0x4000 + i, i);
  434. bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
  435. bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
  436. bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
  437. bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
  438. bcm43xx_phy_write(bcm, 0x0024, 0x4680);
  439. bcm43xx_phy_write(bcm, 0x0020, 0x0003);
  440. bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
  441. bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
  442. bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
  443. bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
  444. for (i = 0; i < BCM43xx_ILT_NOISEA3_SIZE; i++)
  445. bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea3[i]);
  446. bcm43xx_phy_init_noisescaletbl(bcm);
  447. for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
  448. bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
  449. bcm43xx_phy_write(bcm, 0x0003, 0x1808);
  450. bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
  451. bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
  452. bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
  453. bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
  454. bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
  455. bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
  456. bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
  457. bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
  458. bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
  459. bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
  460. bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
  461. bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
  462. bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
  463. bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
  464. bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
  465. bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
  466. bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
  467. break;
  468. default:
  469. assert(0);
  470. }
  471. }
  472. /* Initialize APHY. This is also called for the GPHY in some cases. */
  473. static void bcm43xx_phy_inita(struct bcm43xx_private *bcm)
  474. {
  475. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  476. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  477. u16 tval;
  478. if (phy->type == BCM43xx_PHYTYPE_A) {
  479. bcm43xx_phy_setupa(bcm);
  480. } else {
  481. bcm43xx_phy_setupg(bcm);
  482. if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
  483. bcm43xx_phy_write(bcm, 0x046E, 0x03CF);
  484. return;
  485. }
  486. bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
  487. (bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340);
  488. bcm43xx_phy_write(bcm, 0x0034, 0x0001);
  489. TODO();//TODO: RSSI AGC
  490. bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
  491. bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) | (1 << 14));
  492. bcm43xx_radio_init2060(bcm);
  493. if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM)
  494. && ((bcm->board_type == 0x0416) || (bcm->board_type == 0x040A))) {
  495. if (radio->lofcal == 0xFFFF) {
  496. TODO();//TODO: LOF Cal
  497. bcm43xx_radio_set_tx_iq(bcm);
  498. } else
  499. bcm43xx_radio_write16(bcm, 0x001E, radio->lofcal);
  500. }
  501. bcm43xx_phy_write(bcm, 0x007A, 0xF111);
  502. if (phy->savedpctlreg == 0xFFFF) {
  503. bcm43xx_radio_write16(bcm, 0x0019, 0x0000);
  504. bcm43xx_radio_write16(bcm, 0x0017, 0x0020);
  505. tval = bcm43xx_ilt_read(bcm, 0x3001);
  506. if (phy->rev == 1) {
  507. bcm43xx_ilt_write(bcm, 0x3001,
  508. (bcm43xx_ilt_read(bcm, 0x3001) & 0xFF87)
  509. | 0x0058);
  510. } else {
  511. bcm43xx_ilt_write(bcm, 0x3001,
  512. (bcm43xx_ilt_read(bcm, 0x3001) & 0xFFC3)
  513. | 0x002C);
  514. }
  515. bcm43xx_dummy_transmission(bcm);
  516. phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_A_PCTL);
  517. bcm43xx_ilt_write(bcm, 0x3001, tval);
  518. bcm43xx_radio_set_txpower_a(bcm, 0x0018);
  519. }
  520. bcm43xx_radio_clear_tssi(bcm);
  521. }
  522. static void bcm43xx_phy_initb2(struct bcm43xx_private *bcm)
  523. {
  524. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  525. u16 offset, val;
  526. bcm43xx_write16(bcm, 0x03EC, 0x3F22);
  527. bcm43xx_phy_write(bcm, 0x0020, 0x301C);
  528. bcm43xx_phy_write(bcm, 0x0026, 0x0000);
  529. bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
  530. bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
  531. val = 0x3C3D;
  532. for (offset = 0x0089; offset < 0x00A7; offset++) {
  533. bcm43xx_phy_write(bcm, offset, val);
  534. val -= 0x0202;
  535. }
  536. bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
  537. if (radio->channel == 0xFF)
  538. bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
  539. else
  540. bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
  541. if (radio->version != 0x2050) {
  542. bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
  543. bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
  544. }
  545. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  546. bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
  547. if (radio->version == 0x2050) {
  548. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  549. bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
  550. bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
  551. bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
  552. bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
  553. bcm43xx_phy_write(bcm, 0x0038, 0x0677);
  554. bcm43xx_radio_init2050(bcm);
  555. }
  556. bcm43xx_phy_write(bcm, 0x0014, 0x0080);
  557. bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
  558. bcm43xx_phy_write(bcm, 0x0032, 0x00CC);
  559. bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
  560. bcm43xx_phy_lo_b_measure(bcm);
  561. bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
  562. if (radio->version != 0x2050)
  563. bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
  564. bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1000);
  565. bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
  566. if (radio->version != 0x2050)
  567. bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
  568. bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
  569. bcm43xx_phy_init_pctl(bcm);
  570. }
  571. static void bcm43xx_phy_initb4(struct bcm43xx_private *bcm)
  572. {
  573. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  574. u16 offset, val;
  575. bcm43xx_write16(bcm, 0x03EC, 0x3F22);
  576. bcm43xx_phy_write(bcm, 0x0020, 0x301C);
  577. bcm43xx_phy_write(bcm, 0x0026, 0x0000);
  578. bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
  579. bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
  580. val = 0x3C3D;
  581. for (offset = 0x0089; offset < 0x00A7; offset++) {
  582. bcm43xx_phy_write(bcm, offset, val);
  583. val -= 0x0202;
  584. }
  585. bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
  586. if (radio->channel == 0xFF)
  587. bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
  588. else
  589. bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
  590. if (radio->version != 0x2050) {
  591. bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
  592. bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
  593. }
  594. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  595. bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
  596. if (radio->version == 0x2050) {
  597. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  598. bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
  599. bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
  600. bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
  601. bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
  602. bcm43xx_phy_write(bcm, 0x0038, 0x0677);
  603. bcm43xx_radio_init2050(bcm);
  604. }
  605. bcm43xx_phy_write(bcm, 0x0014, 0x0080);
  606. bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
  607. if (radio->version == 0x2050)
  608. bcm43xx_phy_write(bcm, 0x0032, 0x00E0);
  609. bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
  610. bcm43xx_phy_lo_b_measure(bcm);
  611. bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
  612. if (radio->version == 0x2050)
  613. bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
  614. bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1100);
  615. bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
  616. if (radio->version == 0x2050)
  617. bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
  618. bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
  619. if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
  620. bcm43xx_calc_nrssi_slope(bcm);
  621. bcm43xx_calc_nrssi_threshold(bcm);
  622. }
  623. bcm43xx_phy_init_pctl(bcm);
  624. }
  625. static void bcm43xx_phy_initb5(struct bcm43xx_private *bcm)
  626. {
  627. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  628. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  629. u16 offset;
  630. if (phy->version == 1 &&
  631. radio->version == 0x2050) {
  632. bcm43xx_radio_write16(bcm, 0x007A,
  633. bcm43xx_radio_read16(bcm, 0x007A)
  634. | 0x0050);
  635. }
  636. if ((bcm->board_vendor != PCI_VENDOR_ID_BROADCOM) &&
  637. (bcm->board_type != 0x0416)) {
  638. for (offset = 0x00A8 ; offset < 0x00C7; offset++) {
  639. bcm43xx_phy_write(bcm, offset,
  640. (bcm43xx_phy_read(bcm, offset) + 0x2020)
  641. & 0x3F3F);
  642. }
  643. }
  644. bcm43xx_phy_write(bcm, 0x0035,
  645. (bcm43xx_phy_read(bcm, 0x0035) & 0xF0FF)
  646. | 0x0700);
  647. if (radio->version == 0x2050)
  648. bcm43xx_phy_write(bcm, 0x0038, 0x0667);
  649. if (phy->connected) {
  650. if (radio->version == 0x2050) {
  651. bcm43xx_radio_write16(bcm, 0x007A,
  652. bcm43xx_radio_read16(bcm, 0x007A)
  653. | 0x0020);
  654. bcm43xx_radio_write16(bcm, 0x0051,
  655. bcm43xx_radio_read16(bcm, 0x0051)
  656. | 0x0004);
  657. }
  658. bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, 0x0000);
  659. bcm43xx_phy_write(bcm, 0x0802, bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
  660. bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
  661. bcm43xx_phy_write(bcm, 0x001C, 0x186A);
  662. bcm43xx_phy_write(bcm, 0x0013, (bcm43xx_phy_read(bcm, 0x0013) & 0x00FF) | 0x1900);
  663. bcm43xx_phy_write(bcm, 0x0035, (bcm43xx_phy_read(bcm, 0x0035) & 0xFFC0) | 0x0064);
  664. bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) & 0xFF80) | 0x000A);
  665. }
  666. if (bcm->bad_frames_preempt) {
  667. bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
  668. bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11));
  669. }
  670. if (phy->version == 1 && radio->version == 0x2050) {
  671. bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
  672. bcm43xx_phy_write(bcm, 0x0021, 0x3763);
  673. bcm43xx_phy_write(bcm, 0x0022, 0x1BC3);
  674. bcm43xx_phy_write(bcm, 0x0023, 0x06F9);
  675. bcm43xx_phy_write(bcm, 0x0024, 0x037E);
  676. } else
  677. bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
  678. bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
  679. bcm43xx_write16(bcm, 0x03EC, 0x3F22);
  680. if (phy->version == 1 && radio->version == 0x2050)
  681. bcm43xx_phy_write(bcm, 0x0020, 0x3E1C);
  682. else
  683. bcm43xx_phy_write(bcm, 0x0020, 0x301C);
  684. if (phy->version == 0)
  685. bcm43xx_write16(bcm, 0x03E4, 0x3000);
  686. /* Force to channel 7, even if not supported. */
  687. bcm43xx_radio_selectchannel(bcm, 7, 0);
  688. if (radio->version != 0x2050) {
  689. bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
  690. bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
  691. }
  692. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  693. bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
  694. if (radio->version == 0x2050) {
  695. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  696. bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
  697. }
  698. bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
  699. bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
  700. bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0007);
  701. bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
  702. bcm43xx_phy_write(bcm, 0x0014, 0x0080);
  703. bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
  704. bcm43xx_phy_write(bcm, 0x88A3, 0x002A);
  705. bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
  706. if (radio->version == 0x2050)
  707. bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
  708. bcm43xx_write16(bcm, 0x03E4, (bcm43xx_read16(bcm, 0x03E4) & 0xFFC0) | 0x0004);
  709. }
  710. static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm)
  711. {
  712. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  713. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  714. u16 offset, val;
  715. bcm43xx_phy_write(bcm, 0x003E, 0x817A);
  716. bcm43xx_radio_write16(bcm, 0x007A,
  717. (bcm43xx_radio_read16(bcm, 0x007A) | 0x0058));
  718. if ((radio->manufact == 0x17F) &&
  719. (radio->version == 0x2050) &&
  720. (radio->revision == 3 ||
  721. radio->revision == 4 ||
  722. radio->revision == 5)) {
  723. bcm43xx_radio_write16(bcm, 0x0051, 0x001F);
  724. bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
  725. bcm43xx_radio_write16(bcm, 0x0053, 0x005B);
  726. bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
  727. bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
  728. bcm43xx_radio_write16(bcm, 0x005B, 0x0088);
  729. bcm43xx_radio_write16(bcm, 0x005D, 0x0088);
  730. bcm43xx_radio_write16(bcm, 0x005E, 0x0088);
  731. bcm43xx_radio_write16(bcm, 0x007D, 0x0088);
  732. }
  733. if ((radio->manufact == 0x17F) &&
  734. (radio->version == 0x2050) &&
  735. (radio->revision == 6)) {
  736. bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
  737. bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
  738. bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
  739. bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
  740. bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
  741. bcm43xx_radio_write16(bcm, 0x005B, 0x008B);
  742. bcm43xx_radio_write16(bcm, 0x005C, 0x00B5);
  743. bcm43xx_radio_write16(bcm, 0x005D, 0x0088);
  744. bcm43xx_radio_write16(bcm, 0x005E, 0x0088);
  745. bcm43xx_radio_write16(bcm, 0x007D, 0x0088);
  746. bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
  747. bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
  748. }
  749. if ((radio->manufact == 0x17F) &&
  750. (radio->version == 0x2050) &&
  751. (radio->revision == 7)) {
  752. bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
  753. bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
  754. bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
  755. bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
  756. bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
  757. bcm43xx_radio_write16(bcm, 0x005B, 0x00A8);
  758. bcm43xx_radio_write16(bcm, 0x005C, 0x0075);
  759. bcm43xx_radio_write16(bcm, 0x005D, 0x00F5);
  760. bcm43xx_radio_write16(bcm, 0x005E, 0x00B8);
  761. bcm43xx_radio_write16(bcm, 0x007D, 0x00E8);
  762. bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
  763. bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
  764. bcm43xx_radio_write16(bcm, 0x007B, 0x0000);
  765. }
  766. if ((radio->manufact == 0x17F) &&
  767. (radio->version == 0x2050) &&
  768. (radio->revision == 8)) {
  769. bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
  770. bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
  771. bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
  772. bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
  773. bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
  774. bcm43xx_radio_write16(bcm, 0x005B, 0x006B);
  775. bcm43xx_radio_write16(bcm, 0x005C, 0x000F);
  776. if (bcm->sprom.boardflags & 0x8000) {
  777. bcm43xx_radio_write16(bcm, 0x005D, 0x00FA);
  778. bcm43xx_radio_write16(bcm, 0x005E, 0x00D8);
  779. } else {
  780. bcm43xx_radio_write16(bcm, 0x005D, 0x00F5);
  781. bcm43xx_radio_write16(bcm, 0x005E, 0x00B8);
  782. }
  783. bcm43xx_radio_write16(bcm, 0x0073, 0x0003);
  784. bcm43xx_radio_write16(bcm, 0x007D, 0x00A8);
  785. bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
  786. bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
  787. }
  788. val = 0x1E1F;
  789. for (offset = 0x0088; offset < 0x0098; offset++) {
  790. bcm43xx_phy_write(bcm, offset, val);
  791. val -= 0x0202;
  792. }
  793. val = 0x3E3F;
  794. for (offset = 0x0098; offset < 0x00A8; offset++) {
  795. bcm43xx_phy_write(bcm, offset, val);
  796. val -= 0x0202;
  797. }
  798. val = 0x2120;
  799. for (offset = 0x00A8; offset < 0x00C8; offset++) {
  800. bcm43xx_phy_write(bcm, offset, (val & 0x3F3F));
  801. val += 0x0202;
  802. }
  803. if (phy->type == BCM43xx_PHYTYPE_G) {
  804. bcm43xx_radio_write16(bcm, 0x007A,
  805. bcm43xx_radio_read16(bcm, 0x007A) | 0x0020);
  806. bcm43xx_radio_write16(bcm, 0x0051,
  807. bcm43xx_radio_read16(bcm, 0x0051) | 0x0004);
  808. bcm43xx_phy_write(bcm, 0x0802,
  809. bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
  810. bcm43xx_phy_write(bcm, 0x042B,
  811. bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
  812. }
  813. /* Force to channel 7, even if not supported. */
  814. bcm43xx_radio_selectchannel(bcm, 7, 0);
  815. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  816. bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
  817. udelay(40);
  818. bcm43xx_radio_write16(bcm, 0x007C, (bcm43xx_radio_read16(bcm, 0x007C) | 0x0002));
  819. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  820. if (radio->manufact == 0x17F &&
  821. radio->version == 0x2050 &&
  822. radio->revision <= 2) {
  823. bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
  824. bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
  825. bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
  826. bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
  827. }
  828. bcm43xx_radio_write16(bcm, 0x007A,
  829. (bcm43xx_radio_read16(bcm, 0x007A) & 0x00F8) | 0x0007);
  830. bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
  831. bcm43xx_phy_write(bcm, 0x0014, 0x0200);
  832. if (radio->version == 0x2050){
  833. if (radio->revision == 3 ||
  834. radio->revision == 4 ||
  835. radio->revision == 5)
  836. bcm43xx_phy_write(bcm, 0x002A, 0x8AC0);
  837. else
  838. bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
  839. }
  840. bcm43xx_phy_write(bcm, 0x0038, 0x0668);
  841. bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
  842. if (radio->version == 0x2050) {
  843. if (radio->revision == 3 ||
  844. radio->revision == 4 ||
  845. radio->revision == 5)
  846. bcm43xx_phy_write(bcm, 0x005D, bcm43xx_phy_read(bcm, 0x005D) | 0x0003);
  847. else if (radio->revision <= 2)
  848. bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
  849. }
  850. if (phy->rev == 4)
  851. bcm43xx_phy_write(bcm, 0x0002, (bcm43xx_phy_read(bcm, 0x0002) & 0xFFC0) | 0x0004);
  852. else
  853. bcm43xx_write16(bcm, 0x03E4, 0x0009);
  854. if (phy->type == BCM43xx_PHYTYPE_B) {
  855. bcm43xx_write16(bcm, 0x03E6, 0x8140);
  856. bcm43xx_phy_write(bcm, 0x0016, 0x0410);
  857. bcm43xx_phy_write(bcm, 0x0017, 0x0820);
  858. bcm43xx_phy_write(bcm, 0x0062, 0x0007);
  859. (void) bcm43xx_radio_calibrationvalue(bcm);
  860. bcm43xx_phy_lo_b_measure(bcm);
  861. if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
  862. bcm43xx_calc_nrssi_slope(bcm);
  863. bcm43xx_calc_nrssi_threshold(bcm);
  864. }
  865. bcm43xx_phy_init_pctl(bcm);
  866. } else
  867. bcm43xx_write16(bcm, 0x03E6, 0x0);
  868. }
  869. static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
  870. {
  871. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  872. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  873. u16 tmp;
  874. if (phy->rev == 1)
  875. bcm43xx_phy_initb5(bcm);
  876. else if (phy->rev >= 2 && phy->rev <= 7)
  877. bcm43xx_phy_initb6(bcm);
  878. if (phy->rev >= 2 || phy->connected)
  879. bcm43xx_phy_inita(bcm);
  880. if (phy->rev >= 2) {
  881. bcm43xx_phy_write(bcm, 0x0814, 0x0000);
  882. bcm43xx_phy_write(bcm, 0x0815, 0x0000);
  883. if (phy->rev == 2)
  884. bcm43xx_phy_write(bcm, 0x0811, 0x0000);
  885. else if (phy->rev >= 3)
  886. bcm43xx_phy_write(bcm, 0x0811, 0x0400);
  887. bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
  888. tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF;
  889. if (tmp == 3) {
  890. bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
  891. bcm43xx_phy_write(bcm, 0x04C3, 0x8606);
  892. } else if (tmp == 4 || tmp == 5) {
  893. bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
  894. bcm43xx_phy_write(bcm, 0x04C3, 0x8006);
  895. bcm43xx_phy_write(bcm, 0x04CC, (bcm43xx_phy_read(bcm, 0x04CC)
  896. & 0x00FF) | 0x1F00);
  897. }
  898. }
  899. if (radio->revision <= 3 && phy->connected)
  900. bcm43xx_phy_write(bcm, 0x047E, 0x0078);
  901. if (radio->revision >= 6 && radio->revision <= 8) {
  902. bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080);
  903. bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004);
  904. }
  905. if (radio->initval == 0xFFFF) {
  906. radio->initval = bcm43xx_radio_init2050(bcm);
  907. bcm43xx_phy_lo_g_measure(bcm);
  908. } else {
  909. bcm43xx_radio_write16(bcm, 0x0078, radio->initval);
  910. bcm43xx_radio_write16(bcm, 0x0052,
  911. (bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0)
  912. | radio->txctl2);
  913. }
  914. if (phy->connected) {
  915. bcm43xx_phy_lo_adjust(bcm, 0);
  916. bcm43xx_phy_write(bcm, 0x080F, 0x8078);
  917. if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
  918. bcm43xx_phy_write(bcm, 0x002E, 0x807F);
  919. else
  920. bcm43xx_phy_write(bcm, 0x002E, 0x8075);
  921. if (phy->rev < 2)
  922. bcm43xx_phy_write(bcm, 0x002F, 0x0101);
  923. else
  924. bcm43xx_phy_write(bcm, 0x002F, 0x0202);
  925. }
  926. if ((bcm->sprom.boardflags & BCM43xx_BFL_RSSI) == 0) {
  927. FIXME();//FIXME: 0x7FFFFFFF should be 16-bit !
  928. bcm43xx_nrssi_hw_update(bcm, (u16)0x7FFFFFFF);
  929. bcm43xx_calc_nrssi_threshold(bcm);
  930. } else if (phy->connected) {
  931. if (radio->nrssi[0] == -1000) {
  932. assert(radio->nrssi[1] == -1000);
  933. bcm43xx_calc_nrssi_slope(bcm);
  934. } else
  935. bcm43xx_calc_nrssi_threshold(bcm);
  936. }
  937. bcm43xx_phy_init_pctl(bcm);
  938. }
  939. static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm)
  940. {
  941. int i;
  942. u16 ret = 0;
  943. for (i = 0; i < 10; i++){
  944. bcm43xx_phy_write(bcm, 0x0015, 0xAFA0);
  945. udelay(1);
  946. bcm43xx_phy_write(bcm, 0x0015, 0xEFA0);
  947. udelay(10);
  948. bcm43xx_phy_write(bcm, 0x0015, 0xFFA0);
  949. udelay(40);
  950. ret += bcm43xx_phy_read(bcm, 0x002C);
  951. }
  952. return ret;
  953. }
  954. void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm)
  955. {
  956. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  957. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  958. u16 regstack[12] = { 0 };
  959. u16 mls;
  960. u16 fval;
  961. int i, j;
  962. regstack[0] = bcm43xx_phy_read(bcm, 0x0015);
  963. regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0;
  964. if (radio->version == 0x2053) {
  965. regstack[2] = bcm43xx_phy_read(bcm, 0x000A);
  966. regstack[3] = bcm43xx_phy_read(bcm, 0x002A);
  967. regstack[4] = bcm43xx_phy_read(bcm, 0x0035);
  968. regstack[5] = bcm43xx_phy_read(bcm, 0x0003);
  969. regstack[6] = bcm43xx_phy_read(bcm, 0x0001);
  970. regstack[7] = bcm43xx_phy_read(bcm, 0x0030);
  971. regstack[8] = bcm43xx_radio_read16(bcm, 0x0043);
  972. regstack[9] = bcm43xx_radio_read16(bcm, 0x007A);
  973. regstack[10] = bcm43xx_read16(bcm, 0x03EC);
  974. regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0;
  975. bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
  976. bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
  977. bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F);
  978. bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0);
  979. }
  980. bcm43xx_phy_write(bcm, 0x0015, 0xB000);
  981. bcm43xx_phy_write(bcm, 0x002B, 0x0004);
  982. if (radio->version == 0x2053) {
  983. bcm43xx_phy_write(bcm, 0x002B, 0x0203);
  984. bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
  985. }
  986. phy->minlowsig[0] = 0xFFFF;
  987. for (i = 0; i < 4; i++) {
  988. bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
  989. bcm43xx_phy_lo_b_r15_loop(bcm);
  990. }
  991. for (i = 0; i < 10; i++) {
  992. bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
  993. mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
  994. if (mls < phy->minlowsig[0]) {
  995. phy->minlowsig[0] = mls;
  996. phy->minlowsigpos[0] = i;
  997. }
  998. }
  999. bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]);
  1000. phy->minlowsig[1] = 0xFFFF;
  1001. for (i = -4; i < 5; i += 2) {
  1002. for (j = -4; j < 5; j += 2) {
  1003. if (j < 0)
  1004. fval = (0x0100 * i) + j + 0x0100;
  1005. else
  1006. fval = (0x0100 * i) + j;
  1007. bcm43xx_phy_write(bcm, 0x002F, fval);
  1008. mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
  1009. if (mls < phy->minlowsig[1]) {
  1010. phy->minlowsig[1] = mls;
  1011. phy->minlowsigpos[1] = fval;
  1012. }
  1013. }
  1014. }
  1015. phy->minlowsigpos[1] += 0x0101;
  1016. bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]);
  1017. if (radio->version == 0x2053) {
  1018. bcm43xx_phy_write(bcm, 0x000A, regstack[2]);
  1019. bcm43xx_phy_write(bcm, 0x002A, regstack[3]);
  1020. bcm43xx_phy_write(bcm, 0x0035, regstack[4]);
  1021. bcm43xx_phy_write(bcm, 0x0003, regstack[5]);
  1022. bcm43xx_phy_write(bcm, 0x0001, regstack[6]);
  1023. bcm43xx_phy_write(bcm, 0x0030, regstack[7]);
  1024. bcm43xx_radio_write16(bcm, 0x0043, regstack[8]);
  1025. bcm43xx_radio_write16(bcm, 0x007A, regstack[9]);
  1026. bcm43xx_radio_write16(bcm, 0x0052,
  1027. (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F)
  1028. | regstack[11]);
  1029. bcm43xx_write16(bcm, 0x03EC, regstack[10]);
  1030. }
  1031. bcm43xx_phy_write(bcm, 0x0015, regstack[0]);
  1032. }
  1033. static inline
  1034. u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control)
  1035. {
  1036. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1037. if (phy->connected) {
  1038. bcm43xx_phy_write(bcm, 0x15, 0xE300);
  1039. control <<= 8;
  1040. bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0);
  1041. udelay(5);
  1042. bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2);
  1043. udelay(2);
  1044. bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3);
  1045. udelay(4);
  1046. bcm43xx_phy_write(bcm, 0x0015, 0xF300);
  1047. udelay(8);
  1048. } else {
  1049. bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0);
  1050. udelay(2);
  1051. bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0);
  1052. udelay(4);
  1053. bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0);
  1054. udelay(8);
  1055. }
  1056. return bcm43xx_phy_read(bcm, 0x002D);
  1057. }
  1058. static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control)
  1059. {
  1060. int i;
  1061. u32 ret = 0;
  1062. for (i = 0; i < 8; i++)
  1063. ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control);
  1064. return ret;
  1065. }
  1066. /* Write the LocalOscillator CONTROL */
  1067. static inline
  1068. void bcm43xx_lo_write(struct bcm43xx_private *bcm,
  1069. struct bcm43xx_lopair *pair)
  1070. {
  1071. u16 value;
  1072. value = (u8)(pair->low);
  1073. value |= ((u8)(pair->high)) << 8;
  1074. #ifdef CONFIG_BCM43XX_DEBUG
  1075. /* Sanity check. */
  1076. if (pair->low < -8 || pair->low > 8 ||
  1077. pair->high < -8 || pair->high > 8) {
  1078. printk(KERN_WARNING PFX
  1079. "WARNING: Writing invalid LOpair "
  1080. "(low: %d, high: %d, index: %lu)\n",
  1081. pair->low, pair->high,
  1082. (unsigned long)(pair - bcm43xx_current_phy(bcm)->_lo_pairs));
  1083. dump_stack();
  1084. }
  1085. #endif
  1086. bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value);
  1087. }
  1088. static inline
  1089. struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm,
  1090. u16 baseband_attenuation,
  1091. u16 radio_attenuation,
  1092. u16 tx)
  1093. {
  1094. static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 };
  1095. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1096. if (baseband_attenuation > 6)
  1097. baseband_attenuation = 6;
  1098. assert(radio_attenuation < 10);
  1099. if (tx == 3) {
  1100. return bcm43xx_get_lopair(phy,
  1101. radio_attenuation,
  1102. baseband_attenuation);
  1103. }
  1104. return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation);
  1105. }
  1106. static inline
  1107. struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm)
  1108. {
  1109. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  1110. return bcm43xx_find_lopair(bcm,
  1111. radio->baseband_atten,
  1112. radio->radio_atten,
  1113. radio->txctl1);
  1114. }
  1115. /* Adjust B/G LO */
  1116. void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed)
  1117. {
  1118. struct bcm43xx_lopair *pair;
  1119. if (fixed) {
  1120. /* Use fixed values. Only for initialization. */
  1121. pair = bcm43xx_find_lopair(bcm, 2, 3, 0);
  1122. } else
  1123. pair = bcm43xx_current_lopair(bcm);
  1124. bcm43xx_lo_write(bcm, pair);
  1125. }
  1126. static void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm)
  1127. {
  1128. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  1129. u16 txctl2 = 0, i;
  1130. u32 smallest, tmp;
  1131. bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
  1132. udelay(10);
  1133. smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
  1134. for (i = 0; i < 16; i++) {
  1135. bcm43xx_radio_write16(bcm, 0x0052, i);
  1136. udelay(10);
  1137. tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
  1138. if (tmp < smallest) {
  1139. smallest = tmp;
  1140. txctl2 = i;
  1141. }
  1142. }
  1143. radio->txctl2 = txctl2;
  1144. }
  1145. static
  1146. void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm,
  1147. const struct bcm43xx_lopair *in_pair,
  1148. struct bcm43xx_lopair *out_pair,
  1149. u16 r27)
  1150. {
  1151. static const struct bcm43xx_lopair transitions[8] = {
  1152. { .high = 1, .low = 1, },
  1153. { .high = 1, .low = 0, },
  1154. { .high = 1, .low = -1, },
  1155. { .high = 0, .low = -1, },
  1156. { .high = -1, .low = -1, },
  1157. { .high = -1, .low = 0, },
  1158. { .high = -1, .low = 1, },
  1159. { .high = 0, .low = 1, },
  1160. };
  1161. struct bcm43xx_lopair lowest_transition = {
  1162. .high = in_pair->high,
  1163. .low = in_pair->low,
  1164. };
  1165. struct bcm43xx_lopair tmp_pair;
  1166. struct bcm43xx_lopair transition;
  1167. int i = 12;
  1168. int state = 0;
  1169. int found_lower;
  1170. int j, begin, end;
  1171. u32 lowest_deviation;
  1172. u32 tmp;
  1173. /* Note that in_pair and out_pair can point to the same pair. Be careful. */
  1174. bcm43xx_lo_write(bcm, &lowest_transition);
  1175. lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
  1176. do {
  1177. found_lower = 0;
  1178. assert(state >= 0 && state <= 8);
  1179. if (state == 0) {
  1180. begin = 1;
  1181. end = 8;
  1182. } else if (state % 2 == 0) {
  1183. begin = state - 1;
  1184. end = state + 1;
  1185. } else {
  1186. begin = state - 2;
  1187. end = state + 2;
  1188. }
  1189. if (begin < 1)
  1190. begin += 8;
  1191. if (end > 8)
  1192. end -= 8;
  1193. j = begin;
  1194. tmp_pair.high = lowest_transition.high;
  1195. tmp_pair.low = lowest_transition.low;
  1196. while (1) {
  1197. assert(j >= 1 && j <= 8);
  1198. transition.high = tmp_pair.high + transitions[j - 1].high;
  1199. transition.low = tmp_pair.low + transitions[j - 1].low;
  1200. if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) {
  1201. bcm43xx_lo_write(bcm, &transition);
  1202. tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
  1203. if (tmp < lowest_deviation) {
  1204. lowest_deviation = tmp;
  1205. state = j;
  1206. found_lower = 1;
  1207. lowest_transition.high = transition.high;
  1208. lowest_transition.low = transition.low;
  1209. }
  1210. }
  1211. if (j == end)
  1212. break;
  1213. if (j == 8)
  1214. j = 1;
  1215. else
  1216. j++;
  1217. }
  1218. } while (i-- && found_lower);
  1219. out_pair->high = lowest_transition.high;
  1220. out_pair->low = lowest_transition.low;
  1221. }
  1222. /* Set the baseband attenuation value on chip. */
  1223. void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm,
  1224. u16 baseband_attenuation)
  1225. {
  1226. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1227. u16 value;
  1228. if (phy->version == 0) {
  1229. value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0);
  1230. value |= (baseband_attenuation & 0x000F);
  1231. bcm43xx_write16(bcm, 0x03E6, value);
  1232. return;
  1233. }
  1234. if (phy->version > 1) {
  1235. value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C;
  1236. value |= (baseband_attenuation << 2) & 0x003C;
  1237. } else {
  1238. value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078;
  1239. value |= (baseband_attenuation << 3) & 0x0078;
  1240. }
  1241. bcm43xx_phy_write(bcm, 0x0060, value);
  1242. }
  1243. /* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */
  1244. void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm)
  1245. {
  1246. static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 };
  1247. const int is_initializing = bcm43xx_is_initializing(bcm);
  1248. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1249. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  1250. u16 h, i, oldi = 0, j;
  1251. struct bcm43xx_lopair control;
  1252. struct bcm43xx_lopair *tmp_control;
  1253. u16 tmp;
  1254. u16 regstack[16] = { 0 };
  1255. u8 oldchannel;
  1256. //XXX: What are these?
  1257. u8 r27 = 0, r31;
  1258. oldchannel = radio->channel;
  1259. /* Setup */
  1260. if (phy->connected) {
  1261. regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
  1262. regstack[1] = bcm43xx_phy_read(bcm, 0x0802);
  1263. bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
  1264. bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
  1265. }
  1266. regstack[3] = bcm43xx_read16(bcm, 0x03E2);
  1267. bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000);
  1268. regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
  1269. regstack[5] = bcm43xx_phy_read(bcm, 0x15);
  1270. regstack[6] = bcm43xx_phy_read(bcm, 0x2A);
  1271. regstack[7] = bcm43xx_phy_read(bcm, 0x35);
  1272. regstack[8] = bcm43xx_phy_read(bcm, 0x60);
  1273. regstack[9] = bcm43xx_radio_read16(bcm, 0x43);
  1274. regstack[10] = bcm43xx_radio_read16(bcm, 0x7A);
  1275. regstack[11] = bcm43xx_radio_read16(bcm, 0x52);
  1276. if (phy->connected) {
  1277. regstack[12] = bcm43xx_phy_read(bcm, 0x0811);
  1278. regstack[13] = bcm43xx_phy_read(bcm, 0x0812);
  1279. regstack[14] = bcm43xx_phy_read(bcm, 0x0814);
  1280. regstack[15] = bcm43xx_phy_read(bcm, 0x0815);
  1281. }
  1282. bcm43xx_radio_selectchannel(bcm, 6, 0);
  1283. if (phy->connected) {
  1284. bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
  1285. bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
  1286. bcm43xx_dummy_transmission(bcm);
  1287. }
  1288. bcm43xx_radio_write16(bcm, 0x0043, 0x0006);
  1289. bcm43xx_phy_set_baseband_attenuation(bcm, 2);
  1290. bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000);
  1291. bcm43xx_phy_write(bcm, 0x002E, 0x007F);
  1292. bcm43xx_phy_write(bcm, 0x080F, 0x0078);
  1293. bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7));
  1294. bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0);
  1295. bcm43xx_phy_write(bcm, 0x002B, 0x0203);
  1296. bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
  1297. if (phy->connected) {
  1298. bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003);
  1299. bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC);
  1300. bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
  1301. bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
  1302. }
  1303. if (is_initializing)
  1304. bcm43xx_phy_lo_g_measure_txctl2(bcm);
  1305. bcm43xx_phy_write(bcm, 0x080F, 0x8078);
  1306. /* Measure */
  1307. control.low = 0;
  1308. control.high = 0;
  1309. for (h = 0; h < 10; h++) {
  1310. /* Loop over each possible RadioAttenuation (0-9) */
  1311. i = pairorder[h];
  1312. if (is_initializing) {
  1313. if (i == 3) {
  1314. control.low = 0;
  1315. control.high = 0;
  1316. } else if (((i % 2 == 1) && (oldi % 2 == 1)) ||
  1317. ((i % 2 == 0) && (oldi % 2 == 0))) {
  1318. tmp_control = bcm43xx_get_lopair(phy, oldi, 0);
  1319. memcpy(&control, tmp_control, sizeof(control));
  1320. } else {
  1321. tmp_control = bcm43xx_get_lopair(phy, 3, 0);
  1322. memcpy(&control, tmp_control, sizeof(control));
  1323. }
  1324. }
  1325. /* Loop over each possible BasebandAttenuation/2 */
  1326. for (j = 0; j < 4; j++) {
  1327. if (is_initializing) {
  1328. tmp = i * 2 + j;
  1329. r27 = 0;
  1330. r31 = 0;
  1331. if (tmp > 14) {
  1332. r31 = 1;
  1333. if (tmp > 17)
  1334. r27 = 1;
  1335. if (tmp > 19)
  1336. r27 = 2;
  1337. }
  1338. } else {
  1339. tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
  1340. if (!tmp_control->used)
  1341. continue;
  1342. memcpy(&control, tmp_control, sizeof(control));
  1343. r27 = 3;
  1344. r31 = 0;
  1345. }
  1346. bcm43xx_radio_write16(bcm, 0x43, i);
  1347. bcm43xx_radio_write16(bcm, 0x52, radio->txctl2);
  1348. udelay(10);
  1349. bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
  1350. tmp = (regstack[10] & 0xFFF0);
  1351. if (r31)
  1352. tmp |= 0x0008;
  1353. bcm43xx_radio_write16(bcm, 0x007A, tmp);
  1354. tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
  1355. bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
  1356. }
  1357. oldi = i;
  1358. }
  1359. /* Loop over each possible RadioAttenuation (10-13) */
  1360. for (i = 10; i < 14; i++) {
  1361. /* Loop over each possible BasebandAttenuation/2 */
  1362. for (j = 0; j < 4; j++) {
  1363. if (is_initializing) {
  1364. tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
  1365. memcpy(&control, tmp_control, sizeof(control));
  1366. tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger.
  1367. r27 = 0;
  1368. r31 = 0;
  1369. if (tmp > 14) {
  1370. r31 = 1;
  1371. if (tmp > 17)
  1372. r27 = 1;
  1373. if (tmp > 19)
  1374. r27 = 2;
  1375. }
  1376. } else {
  1377. tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
  1378. if (!tmp_control->used)
  1379. continue;
  1380. memcpy(&control, tmp_control, sizeof(control));
  1381. r27 = 3;
  1382. r31 = 0;
  1383. }
  1384. bcm43xx_radio_write16(bcm, 0x43, i - 9);
  1385. bcm43xx_radio_write16(bcm, 0x52,
  1386. radio->txctl2
  1387. | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above?
  1388. udelay(10);
  1389. bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
  1390. tmp = (regstack[10] & 0xFFF0);
  1391. if (r31)
  1392. tmp |= 0x0008;
  1393. bcm43xx_radio_write16(bcm, 0x7A, tmp);
  1394. tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
  1395. bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
  1396. }
  1397. }
  1398. /* Restoration */
  1399. if (phy->connected) {
  1400. bcm43xx_phy_write(bcm, 0x0015, 0xE300);
  1401. bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0);
  1402. udelay(5);
  1403. bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2);
  1404. udelay(2);
  1405. bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3);
  1406. } else
  1407. bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0);
  1408. bcm43xx_phy_lo_adjust(bcm, is_initializing);
  1409. bcm43xx_phy_write(bcm, 0x002E, 0x807F);
  1410. if (phy->connected)
  1411. bcm43xx_phy_write(bcm, 0x002F, 0x0202);
  1412. else
  1413. bcm43xx_phy_write(bcm, 0x002F, 0x0101);
  1414. bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]);
  1415. bcm43xx_phy_write(bcm, 0x0015, regstack[5]);
  1416. bcm43xx_phy_write(bcm, 0x002A, regstack[6]);
  1417. bcm43xx_phy_write(bcm, 0x0035, regstack[7]);
  1418. bcm43xx_phy_write(bcm, 0x0060, regstack[8]);
  1419. bcm43xx_radio_write16(bcm, 0x0043, regstack[9]);
  1420. bcm43xx_radio_write16(bcm, 0x007A, regstack[10]);
  1421. regstack[11] &= 0x00F0;
  1422. regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F);
  1423. bcm43xx_radio_write16(bcm, 0x52, regstack[11]);
  1424. bcm43xx_write16(bcm, 0x03E2, regstack[3]);
  1425. if (phy->connected) {
  1426. bcm43xx_phy_write(bcm, 0x0811, regstack[12]);
  1427. bcm43xx_phy_write(bcm, 0x0812, regstack[13]);
  1428. bcm43xx_phy_write(bcm, 0x0814, regstack[14]);
  1429. bcm43xx_phy_write(bcm, 0x0815, regstack[15]);
  1430. bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]);
  1431. bcm43xx_phy_write(bcm, 0x0802, regstack[1]);
  1432. }
  1433. bcm43xx_radio_selectchannel(bcm, oldchannel, 1);
  1434. #ifdef CONFIG_BCM43XX_DEBUG
  1435. {
  1436. /* Sanity check for all lopairs. */
  1437. for (i = 0; i < BCM43xx_LO_COUNT; i++) {
  1438. tmp_control = phy->_lo_pairs + i;
  1439. if (tmp_control->low < -8 || tmp_control->low > 8 ||
  1440. tmp_control->high < -8 || tmp_control->high > 8) {
  1441. printk(KERN_WARNING PFX
  1442. "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n",
  1443. tmp_control->low, tmp_control->high, i);
  1444. }
  1445. }
  1446. }
  1447. #endif /* CONFIG_BCM43XX_DEBUG */
  1448. }
  1449. static
  1450. void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm)
  1451. {
  1452. struct bcm43xx_lopair *pair;
  1453. pair = bcm43xx_current_lopair(bcm);
  1454. pair->used = 1;
  1455. }
  1456. void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm)
  1457. {
  1458. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1459. struct bcm43xx_lopair *pair;
  1460. int i;
  1461. for (i = 0; i < BCM43xx_LO_COUNT; i++) {
  1462. pair = phy->_lo_pairs + i;
  1463. pair->used = 0;
  1464. }
  1465. }
  1466. /* http://bcm-specs.sipsolutions.net/EstimatePowerOut
  1467. * This function converts a TSSI value to dBm in Q5.2
  1468. */
  1469. static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi)
  1470. {
  1471. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1472. s8 dbm = 0;
  1473. s32 tmp;
  1474. tmp = phy->idle_tssi;
  1475. tmp += tssi;
  1476. tmp -= phy->savedpctlreg;
  1477. switch (phy->type) {
  1478. case BCM43xx_PHYTYPE_A:
  1479. tmp += 0x80;
  1480. tmp = limit_value(tmp, 0x00, 0xFF);
  1481. dbm = phy->tssi2dbm[tmp];
  1482. TODO(); //TODO: There's a FIXME on the specs
  1483. break;
  1484. case BCM43xx_PHYTYPE_B:
  1485. case BCM43xx_PHYTYPE_G:
  1486. tmp = limit_value(tmp, 0x00, 0x3F);
  1487. dbm = phy->tssi2dbm[tmp];
  1488. break;
  1489. default:
  1490. assert(0);
  1491. }
  1492. return dbm;
  1493. }
  1494. /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
  1495. void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm)
  1496. {
  1497. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  1498. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1499. if (phy->savedpctlreg == 0xFFFF)
  1500. return;
  1501. if ((bcm->board_type == 0x0416) &&
  1502. (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM))
  1503. return;
  1504. switch (phy->type) {
  1505. case BCM43xx_PHYTYPE_A: {
  1506. TODO(); //TODO: Nothing for A PHYs yet :-/
  1507. break;
  1508. }
  1509. case BCM43xx_PHYTYPE_B:
  1510. case BCM43xx_PHYTYPE_G: {
  1511. u16 tmp;
  1512. u16 txpower;
  1513. s8 v0, v1, v2, v3;
  1514. s8 average;
  1515. u8 max_pwr;
  1516. s16 desired_pwr, estimated_pwr, pwr_adjust;
  1517. s16 radio_att_delta, baseband_att_delta;
  1518. s16 radio_attenuation, baseband_attenuation;
  1519. unsigned long phylock_flags;
  1520. tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058);
  1521. v0 = (s8)(tmp & 0x00FF);
  1522. v1 = (s8)((tmp & 0xFF00) >> 8);
  1523. tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A);
  1524. v2 = (s8)(tmp & 0x00FF);
  1525. v3 = (s8)((tmp & 0xFF00) >> 8);
  1526. tmp = 0;
  1527. if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) {
  1528. tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070);
  1529. v0 = (s8)(tmp & 0x00FF);
  1530. v1 = (s8)((tmp & 0xFF00) >> 8);
  1531. tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072);
  1532. v2 = (s8)(tmp & 0x00FF);
  1533. v3 = (s8)((tmp & 0xFF00) >> 8);
  1534. if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F)
  1535. return;
  1536. v0 = (v0 + 0x20) & 0x3F;
  1537. v1 = (v1 + 0x20) & 0x3F;
  1538. v2 = (v2 + 0x20) & 0x3F;
  1539. v3 = (v3 + 0x20) & 0x3F;
  1540. tmp = 1;
  1541. }
  1542. bcm43xx_radio_clear_tssi(bcm);
  1543. average = (v0 + v1 + v2 + v3 + 2) / 4;
  1544. if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8))
  1545. average -= 13;
  1546. estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average);
  1547. max_pwr = bcm->sprom.maxpower_bgphy;
  1548. if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) &&
  1549. (phy->type == BCM43xx_PHYTYPE_G))
  1550. max_pwr -= 0x3;
  1551. /*TODO:
  1552. max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr)
  1553. where REG is the max power as per the regulatory domain
  1554. */
  1555. desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr);
  1556. /* Check if we need to adjust the current power. */
  1557. pwr_adjust = desired_pwr - estimated_pwr;
  1558. radio_att_delta = -(pwr_adjust + 7) >> 3;
  1559. baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta);
  1560. if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
  1561. bcm43xx_phy_lo_mark_current_used(bcm);
  1562. return;
  1563. }
  1564. /* Calculate the new attenuation values. */
  1565. baseband_attenuation = radio->baseband_atten;
  1566. baseband_attenuation += baseband_att_delta;
  1567. radio_attenuation = radio->radio_atten;
  1568. radio_attenuation += radio_att_delta;
  1569. /* Get baseband and radio attenuation values into their permitted ranges.
  1570. * baseband 0-11, radio 0-9.
  1571. * Radio attenuation affects power level 4 times as much as baseband.
  1572. */
  1573. if (radio_attenuation < 0) {
  1574. baseband_attenuation -= (4 * -radio_attenuation);
  1575. radio_attenuation = 0;
  1576. } else if (radio_attenuation > 9) {
  1577. baseband_attenuation += (4 * (radio_attenuation - 9));
  1578. radio_attenuation = 9;
  1579. } else {
  1580. while (baseband_attenuation < 0 && radio_attenuation > 0) {
  1581. baseband_attenuation += 4;
  1582. radio_attenuation--;
  1583. }
  1584. while (baseband_attenuation > 11 && radio_attenuation < 9) {
  1585. baseband_attenuation -= 4;
  1586. radio_attenuation++;
  1587. }
  1588. }
  1589. baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
  1590. txpower = radio->txctl1;
  1591. if ((radio->version == 0x2050) && (radio->revision == 2)) {
  1592. if (radio_attenuation <= 1) {
  1593. if (txpower == 0) {
  1594. txpower = 3;
  1595. radio_attenuation += 2;
  1596. baseband_attenuation += 2;
  1597. } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
  1598. baseband_attenuation += 4 * (radio_attenuation - 2);
  1599. radio_attenuation = 2;
  1600. }
  1601. } else if (radio_attenuation > 4 && txpower != 0) {
  1602. txpower = 0;
  1603. if (baseband_attenuation < 3) {
  1604. radio_attenuation -= 3;
  1605. baseband_attenuation += 2;
  1606. } else {
  1607. radio_attenuation -= 2;
  1608. baseband_attenuation -= 2;
  1609. }
  1610. }
  1611. }
  1612. radio->txctl1 = txpower;
  1613. baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
  1614. radio_attenuation = limit_value(radio_attenuation, 0, 9);
  1615. bcm43xx_phy_lock(bcm, phylock_flags);
  1616. bcm43xx_radio_lock(bcm);
  1617. bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation,
  1618. radio_attenuation, txpower);
  1619. bcm43xx_phy_lo_mark_current_used(bcm);
  1620. bcm43xx_radio_unlock(bcm);
  1621. bcm43xx_phy_unlock(bcm, phylock_flags);
  1622. break;
  1623. }
  1624. default:
  1625. assert(0);
  1626. }
  1627. }
  1628. static inline
  1629. s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den)
  1630. {
  1631. if (num < 0)
  1632. return num/den;
  1633. else
  1634. return (num+den/2)/den;
  1635. }
  1636. static inline
  1637. s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
  1638. {
  1639. s32 m1, m2, f = 256, q, delta;
  1640. s8 i = 0;
  1641. m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
  1642. m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1);
  1643. do {
  1644. if (i > 15)
  1645. return -EINVAL;
  1646. q = bcm43xx_tssi2dbm_ad(f * 4096 -
  1647. bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048);
  1648. delta = abs(q - f);
  1649. f = q;
  1650. i++;
  1651. } while (delta >= 2);
  1652. entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128);
  1653. return 0;
  1654. }
  1655. /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
  1656. int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm)
  1657. {
  1658. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1659. struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
  1660. s16 pab0, pab1, pab2;
  1661. u8 idx;
  1662. s8 *dyn_tssi2dbm;
  1663. if (phy->type == BCM43xx_PHYTYPE_A) {
  1664. pab0 = (s16)(bcm->sprom.pa1b0);
  1665. pab1 = (s16)(bcm->sprom.pa1b1);
  1666. pab2 = (s16)(bcm->sprom.pa1b2);
  1667. } else {
  1668. pab0 = (s16)(bcm->sprom.pa0b0);
  1669. pab1 = (s16)(bcm->sprom.pa0b1);
  1670. pab2 = (s16)(bcm->sprom.pa0b2);
  1671. }
  1672. if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) {
  1673. phy->idle_tssi = 0x34;
  1674. phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
  1675. return 0;
  1676. }
  1677. if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
  1678. pab0 != -1 && pab1 != -1 && pab2 != -1) {
  1679. /* The pabX values are set in SPROM. Use them. */
  1680. if (phy->type == BCM43xx_PHYTYPE_A) {
  1681. if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 &&
  1682. (s8)bcm->sprom.idle_tssi_tgt_aphy != -1)
  1683. phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy);
  1684. else
  1685. phy->idle_tssi = 62;
  1686. } else {
  1687. if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 &&
  1688. (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1)
  1689. phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy);
  1690. else
  1691. phy->idle_tssi = 62;
  1692. }
  1693. dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
  1694. if (dyn_tssi2dbm == NULL) {
  1695. printk(KERN_ERR PFX "Could not allocate memory"
  1696. "for tssi2dbm table\n");
  1697. return -ENOMEM;
  1698. }
  1699. for (idx = 0; idx < 64; idx++)
  1700. if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) {
  1701. phy->tssi2dbm = NULL;
  1702. printk(KERN_ERR PFX "Could not generate "
  1703. "tssi2dBm table\n");
  1704. return -ENODEV;
  1705. }
  1706. phy->tssi2dbm = dyn_tssi2dbm;
  1707. phy->dyn_tssi_tbl = 1;
  1708. } else {
  1709. /* pabX values not set in SPROM. */
  1710. switch (phy->type) {
  1711. case BCM43xx_PHYTYPE_A:
  1712. /* APHY needs a generated table. */
  1713. phy->tssi2dbm = NULL;
  1714. printk(KERN_ERR PFX "Could not generate tssi2dBm "
  1715. "table (wrong SPROM info)!\n");
  1716. return -ENODEV;
  1717. case BCM43xx_PHYTYPE_B:
  1718. phy->idle_tssi = 0x34;
  1719. phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
  1720. break;
  1721. case BCM43xx_PHYTYPE_G:
  1722. phy->idle_tssi = 0x34;
  1723. phy->tssi2dbm = bcm43xx_tssi2dbm_g_table;
  1724. break;
  1725. }
  1726. }
  1727. return 0;
  1728. }
  1729. int bcm43xx_phy_init(struct bcm43xx_private *bcm)
  1730. {
  1731. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1732. int err = -ENODEV;
  1733. unsigned long flags;
  1734. /* We do not want to be preempted while calibrating
  1735. * the hardware.
  1736. */
  1737. local_irq_save(flags);
  1738. switch (phy->type) {
  1739. case BCM43xx_PHYTYPE_A:
  1740. if (phy->rev == 2 || phy->rev == 3) {
  1741. bcm43xx_phy_inita(bcm);
  1742. err = 0;
  1743. }
  1744. break;
  1745. case BCM43xx_PHYTYPE_B:
  1746. switch (phy->rev) {
  1747. case 2:
  1748. bcm43xx_phy_initb2(bcm);
  1749. err = 0;
  1750. break;
  1751. case 4:
  1752. bcm43xx_phy_initb4(bcm);
  1753. err = 0;
  1754. break;
  1755. case 5:
  1756. bcm43xx_phy_initb5(bcm);
  1757. err = 0;
  1758. break;
  1759. case 6:
  1760. bcm43xx_phy_initb6(bcm);
  1761. err = 0;
  1762. break;
  1763. }
  1764. break;
  1765. case BCM43xx_PHYTYPE_G:
  1766. bcm43xx_phy_initg(bcm);
  1767. err = 0;
  1768. break;
  1769. }
  1770. local_irq_restore(flags);
  1771. if (err)
  1772. printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n");
  1773. return err;
  1774. }
  1775. void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm)
  1776. {
  1777. struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  1778. u16 antennadiv;
  1779. u16 offset;
  1780. u16 value;
  1781. u32 ucodeflags;
  1782. antennadiv = phy->antenna_diversity;
  1783. if (antennadiv == 0xFFFF)
  1784. antennadiv = 3;
  1785. assert(antennadiv <= 3);
  1786. ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
  1787. BCM43xx_UCODEFLAGS_OFFSET);
  1788. bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
  1789. BCM43xx_UCODEFLAGS_OFFSET,
  1790. ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV);
  1791. switch (phy->type) {
  1792. case BCM43xx_PHYTYPE_A:
  1793. case BCM43xx_PHYTYPE_G:
  1794. if (phy->type == BCM43xx_PHYTYPE_A)
  1795. offset = 0x0000;
  1796. else
  1797. offset = 0x0400;
  1798. if (antennadiv == 2)
  1799. value = (3/*automatic*/ << 7);
  1800. else
  1801. value = (antennadiv << 7);
  1802. bcm43xx_phy_write(bcm, offset + 1,
  1803. (bcm43xx_phy_read(bcm, offset + 1)
  1804. & 0x7E7F) | value);
  1805. if (antennadiv >= 2) {
  1806. if (antennadiv == 2)
  1807. value = (antennadiv << 7);
  1808. else
  1809. value = (0/*force0*/ << 7);
  1810. bcm43xx_phy_write(bcm, offset + 0x2B,
  1811. (bcm43xx_phy_read(bcm, offset + 0x2B)
  1812. & 0xFEFF) | value);
  1813. }
  1814. if (phy->type == BCM43xx_PHYTYPE_G) {
  1815. if (antennadiv >= 2)
  1816. bcm43xx_phy_write(bcm, 0x048C,
  1817. bcm43xx_phy_read(bcm, 0x048C)
  1818. | 0x2000);
  1819. else
  1820. bcm43xx_phy_write(bcm, 0x048C,
  1821. bcm43xx_phy_read(bcm, 0x048C)
  1822. & ~0x2000);
  1823. if (phy->rev >= 2) {
  1824. bcm43xx_phy_write(bcm, 0x0461,
  1825. bcm43xx_phy_read(bcm, 0x0461)
  1826. | 0x0010);
  1827. bcm43xx_phy_write(bcm, 0x04AD,
  1828. (bcm43xx_phy_read(bcm, 0x04AD)
  1829. & 0x00FF) | 0x0015);
  1830. if (phy->rev == 2)
  1831. bcm43xx_phy_write(bcm, 0x0427, 0x0008);
  1832. else
  1833. bcm43xx_phy_write(bcm, 0x0427,
  1834. (bcm43xx_phy_read(bcm, 0x0427)
  1835. & 0x00FF) | 0x0008);
  1836. }
  1837. else if (phy->rev >= 6)
  1838. bcm43xx_phy_write(bcm, 0x049B, 0x00DC);
  1839. } else {
  1840. if (phy->rev < 3)
  1841. bcm43xx_phy_write(bcm, 0x002B,
  1842. (bcm43xx_phy_read(bcm, 0x002B)
  1843. & 0x00FF) | 0x0024);
  1844. else {
  1845. bcm43xx_phy_write(bcm, 0x0061,
  1846. bcm43xx_phy_read(bcm, 0x0061)
  1847. | 0x0010);
  1848. if (phy->rev == 3) {
  1849. bcm43xx_phy_write(bcm, 0x0093, 0x001D);
  1850. bcm43xx_phy_write(bcm, 0x0027, 0x0008);
  1851. } else {
  1852. bcm43xx_phy_write(bcm, 0x0093, 0x003A);
  1853. bcm43xx_phy_write(bcm, 0x0027,
  1854. (bcm43xx_phy_read(bcm, 0x0027)
  1855. & 0x00FF) | 0x0008);
  1856. }
  1857. }
  1858. }
  1859. break;
  1860. case BCM43xx_PHYTYPE_B:
  1861. if (bcm->current_core->rev == 2)
  1862. value = (3/*automatic*/ << 7);
  1863. else
  1864. value = (antennadiv << 7);
  1865. bcm43xx_phy_write(bcm, 0x03E2,
  1866. (bcm43xx_phy_read(bcm, 0x03E2)
  1867. & 0xFE7F) | value);
  1868. break;
  1869. default:
  1870. assert(0);
  1871. }
  1872. if (antennadiv >= 2) {
  1873. ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
  1874. BCM43xx_UCODEFLAGS_OFFSET);
  1875. bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
  1876. BCM43xx_UCODEFLAGS_OFFSET,
  1877. ucodeflags | BCM43xx_UCODEFLAG_AUTODIV);
  1878. }
  1879. phy->antenna_diversity = antennadiv;
  1880. }