12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690269126922693269426952696269726982699270027012702270327042705270627072708270927102711271227132714271527162717271827192720272127222723272427252726272727282729273027312732273327342735273627372738273927402741274227432744274527462747274827492750275127522753275427552756275727582759276027612762276327642765276627672768276927702771277227732774277527762777277827792780278127822783278427852786278727882789279027912792279327942795279627972798279928002801280228032804280528062807280828092810281128122813281428152816281728182819282028212822282328242825282628272828282928302831283228332834283528362837283828392840284128422843284428452846284728482849285028512852285328542855285628572858285928602861286228632864286528662867286828692870287128722873287428752876287728782879288028812882288328842885288628872888288928902891289228932894289528962897289828992900290129022903290429052906290729082909291029112912291329142915291629172918291929202921292229232924292529262927292829292930293129322933293429352936293729382939294029412942294329442945294629472948294929502951295229532954295529562957295829592960296129622963296429652966296729682969297029712972297329742975297629772978297929802981298229832984298529862987298829892990299129922993299429952996299729982999300030013002300330043005300630073008300930103011301230133014301530163017301830193020302130223023302430253026302730283029303030313032303330343035303630373038303930403041304230433044304530463047304830493050305130523053305430553056305730583059306030613062306330643065306630673068306930703071 |
- /*
- Broadcom B43 wireless driver
- IEEE 802.11g PHY driver
- Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
- Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
- Copyright (c) 2005-2008 Michael Buesch <m@bues.ch>
- Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
- Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- Boston, MA 02110-1301, USA.
- */
- #include "b43.h"
- #include "phy_g.h"
- #include "phy_common.h"
- #include "lo.h"
- #include "main.h"
- #include "wa.h"
- #include <linux/bitrev.h>
- #include <linux/slab.h>
- static const s8 b43_tssi2dbm_g_table[] = {
- 77, 77, 77, 76,
- 76, 76, 75, 75,
- 74, 74, 73, 73,
- 73, 72, 72, 71,
- 71, 70, 70, 69,
- 68, 68, 67, 67,
- 66, 65, 65, 64,
- 63, 63, 62, 61,
- 60, 59, 58, 57,
- 56, 55, 54, 53,
- 52, 50, 49, 47,
- 45, 43, 40, 37,
- 33, 28, 22, 14,
- 5, -7, -20, -20,
- -20, -20, -20, -20,
- -20, -20, -20, -20,
- };
- static const u8 b43_radio_channel_codes_bg[] = {
- 12, 17, 22, 27,
- 32, 37, 42, 47,
- 52, 57, 62, 67,
- 72, 84,
- };
- static void b43_calc_nrssi_threshold(struct b43_wldev *dev);
- #define bitrev4(tmp) (bitrev8(tmp) >> 4)
- /* Get the freq, as it has to be written to the device. */
- static inline u16 channel2freq_bg(u8 channel)
- {
- B43_WARN_ON(!(channel >= 1 && channel <= 14));
- return b43_radio_channel_codes_bg[channel - 1];
- }
- static void generate_rfatt_list(struct b43_wldev *dev,
- struct b43_rfatt_list *list)
- {
- struct b43_phy *phy = &dev->phy;
- /* APHY.rev < 5 || GPHY.rev < 6 */
- static const struct b43_rfatt rfatt_0[] = {
- {.att = 3,.with_padmix = 0,},
- {.att = 1,.with_padmix = 0,},
- {.att = 5,.with_padmix = 0,},
- {.att = 7,.with_padmix = 0,},
- {.att = 9,.with_padmix = 0,},
- {.att = 2,.with_padmix = 0,},
- {.att = 0,.with_padmix = 0,},
- {.att = 4,.with_padmix = 0,},
- {.att = 6,.with_padmix = 0,},
- {.att = 8,.with_padmix = 0,},
- {.att = 1,.with_padmix = 1,},
- {.att = 2,.with_padmix = 1,},
- {.att = 3,.with_padmix = 1,},
- {.att = 4,.with_padmix = 1,},
- };
- /* Radio.rev == 8 && Radio.version == 0x2050 */
- static const struct b43_rfatt rfatt_1[] = {
- {.att = 2,.with_padmix = 1,},
- {.att = 4,.with_padmix = 1,},
- {.att = 6,.with_padmix = 1,},
- {.att = 8,.with_padmix = 1,},
- {.att = 10,.with_padmix = 1,},
- {.att = 12,.with_padmix = 1,},
- {.att = 14,.with_padmix = 1,},
- };
- /* Otherwise */
- static const struct b43_rfatt rfatt_2[] = {
- {.att = 0,.with_padmix = 1,},
- {.att = 2,.with_padmix = 1,},
- {.att = 4,.with_padmix = 1,},
- {.att = 6,.with_padmix = 1,},
- {.att = 8,.with_padmix = 1,},
- {.att = 9,.with_padmix = 1,},
- {.att = 9,.with_padmix = 1,},
- };
- if (!b43_has_hardware_pctl(dev)) {
- /* Software pctl */
- list->list = rfatt_0;
- list->len = ARRAY_SIZE(rfatt_0);
- list->min_val = 0;
- list->max_val = 9;
- return;
- }
- if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
- /* Hardware pctl */
- list->list = rfatt_1;
- list->len = ARRAY_SIZE(rfatt_1);
- list->min_val = 0;
- list->max_val = 14;
- return;
- }
- /* Hardware pctl */
- list->list = rfatt_2;
- list->len = ARRAY_SIZE(rfatt_2);
- list->min_val = 0;
- list->max_val = 9;
- }
- static void generate_bbatt_list(struct b43_wldev *dev,
- struct b43_bbatt_list *list)
- {
- static const struct b43_bbatt bbatt_0[] = {
- {.att = 0,},
- {.att = 1,},
- {.att = 2,},
- {.att = 3,},
- {.att = 4,},
- {.att = 5,},
- {.att = 6,},
- {.att = 7,},
- {.att = 8,},
- };
- list->list = bbatt_0;
- list->len = ARRAY_SIZE(bbatt_0);
- list->min_val = 0;
- list->max_val = 8;
- }
- static void b43_shm_clear_tssi(struct b43_wldev *dev)
- {
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
- }
- /* Synthetic PU workaround */
- static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
- {
- struct b43_phy *phy = &dev->phy;
- might_sleep();
- if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
- /* We do not need the workaround. */
- return;
- }
- if (channel <= 10) {
- b43_write16(dev, B43_MMIO_CHANNEL,
- channel2freq_bg(channel + 4));
- } else {
- b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
- }
- msleep(1);
- b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
- }
- /* Set the baseband attenuation value on chip. */
- void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
- u16 baseband_attenuation)
- {
- struct b43_phy *phy = &dev->phy;
- if (phy->analog == 0) {
- b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
- & 0xFFF0) |
- baseband_attenuation);
- } else if (phy->analog > 1) {
- b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
- } else {
- b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));
- }
- }
- /* Adjust the transmission power output (G-PHY) */
- static void b43_set_txpower_g(struct b43_wldev *dev,
- const struct b43_bbatt *bbatt,
- const struct b43_rfatt *rfatt, u8 tx_control)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- struct b43_txpower_lo_control *lo = gphy->lo_control;
- u16 bb, rf;
- u16 tx_bias, tx_magn;
- bb = bbatt->att;
- rf = rfatt->att;
- tx_bias = lo->tx_bias;
- tx_magn = lo->tx_magn;
- if (unlikely(tx_bias == 0xFF))
- tx_bias = 0;
- /* Save the values for later. Use memmove, because it's valid
- * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */
- gphy->tx_control = tx_control;
- memmove(&gphy->rfatt, rfatt, sizeof(*rfatt));
- gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX);
- memmove(&gphy->bbatt, bbatt, sizeof(*bbatt));
- if (b43_debug(dev, B43_DBG_XMITPOWER)) {
- b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
- "rfatt(%u), tx_control(0x%02X), "
- "tx_bias(0x%02X), tx_magn(0x%02X)\n",
- bb, rf, tx_control, tx_bias, tx_magn);
- }
- b43_gphy_set_baseband_attenuation(dev, bb);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
- if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x43,
- (rf & 0x000F) | (tx_control & 0x0070));
- } else {
- b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F));
- b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070));
- }
- if (has_tx_magnification(phy)) {
- b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
- } else {
- b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F));
- }
- b43_lo_g_adjust(dev);
- }
- /* GPHY_TSSI_Power_Lookup_Table_Init */
- static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
- {
- struct b43_phy_g *gphy = dev->phy.g;
- int i;
- u16 value;
- for (i = 0; i < 32; i++)
- b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]);
- for (i = 32; i < 64; i++)
- b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]);
- for (i = 0; i < 64; i += 2) {
- value = (u16) gphy->tssi2dbm[i];
- value |= ((u16) gphy->tssi2dbm[i + 1]) << 8;
- b43_phy_write(dev, 0x380 + (i / 2), value);
- }
- }
- /* GPHY_Gain_Lookup_Table_Init */
- static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- struct b43_txpower_lo_control *lo = gphy->lo_control;
- u16 nr_written = 0;
- u16 tmp;
- u8 rf, bb;
- for (rf = 0; rf < lo->rfatt_list.len; rf++) {
- for (bb = 0; bb < lo->bbatt_list.len; bb++) {
- if (nr_written >= 0x40)
- return;
- tmp = lo->bbatt_list.list[bb].att;
- tmp <<= 8;
- if (phy->radio_rev == 8)
- tmp |= 0x50;
- else
- tmp |= 0x40;
- tmp |= lo->rfatt_list.list[rf].att;
- b43_phy_write(dev, 0x3C0 + nr_written, tmp);
- nr_written++;
- }
- }
- }
- static void b43_set_all_gains(struct b43_wldev *dev,
- s16 first, s16 second, s16 third)
- {
- struct b43_phy *phy = &dev->phy;
- u16 i;
- u16 start = 0x08, end = 0x18;
- u16 tmp;
- u16 table;
- if (phy->rev <= 1) {
- start = 0x10;
- end = 0x20;
- }
- table = B43_OFDMTAB_GAINX;
- if (phy->rev <= 1)
- table = B43_OFDMTAB_GAINX_R1;
- for (i = 0; i < 4; i++)
- b43_ofdmtab_write16(dev, table, i, first);
- for (i = start; i < end; i++)
- b43_ofdmtab_write16(dev, table, i, second);
- if (third != -1) {
- tmp = ((u16) third << 14) | ((u16) third << 6);
- b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp);
- b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp);
- b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp);
- }
- b43_dummy_transmission(dev, false, true);
- }
- static void b43_set_original_gains(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- u16 i, tmp;
- u16 table;
- u16 start = 0x0008, end = 0x0018;
- if (phy->rev <= 1) {
- start = 0x0010;
- end = 0x0020;
- }
- table = B43_OFDMTAB_GAINX;
- if (phy->rev <= 1)
- table = B43_OFDMTAB_GAINX_R1;
- for (i = 0; i < 4; i++) {
- tmp = (i & 0xFFFC);
- tmp |= (i & 0x0001) << 1;
- tmp |= (i & 0x0002) >> 1;
- b43_ofdmtab_write16(dev, table, i, tmp);
- }
- for (i = start; i < end; i++)
- b43_ofdmtab_write16(dev, table, i, i - start);
- b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040);
- b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040);
- b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000);
- b43_dummy_transmission(dev, false, true);
- }
- /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
- static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
- {
- b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
- b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
- }
- /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
- static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
- {
- u16 val;
- b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
- val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);
- return (s16) val;
- }
- /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
- static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
- {
- u16 i;
- s16 tmp;
- for (i = 0; i < 64; i++) {
- tmp = b43_nrssi_hw_read(dev, i);
- tmp -= val;
- tmp = clamp_val(tmp, -32, 31);
- b43_nrssi_hw_write(dev, i, tmp);
- }
- }
- /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
- static void b43_nrssi_mem_update(struct b43_wldev *dev)
- {
- struct b43_phy_g *gphy = dev->phy.g;
- s16 i, delta;
- s32 tmp;
- delta = 0x1F - gphy->nrssi[0];
- for (i = 0; i < 64; i++) {
- tmp = (i - delta) * gphy->nrssislope;
- tmp /= 0x10000;
- tmp += 0x3A;
- tmp = clamp_val(tmp, 0, 0x3F);
- gphy->nrssi_lt[i] = tmp;
- }
- }
- static void b43_calc_nrssi_offset(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- u16 backup[20] = { 0 };
- s16 v47F;
- u16 i;
- u16 saved = 0xFFFF;
- backup[0] = b43_phy_read(dev, 0x0001);
- backup[1] = b43_phy_read(dev, 0x0811);
- backup[2] = b43_phy_read(dev, 0x0812);
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- backup[3] = b43_phy_read(dev, 0x0814);
- backup[4] = b43_phy_read(dev, 0x0815);
- }
- backup[5] = b43_phy_read(dev, 0x005A);
- backup[6] = b43_phy_read(dev, 0x0059);
- backup[7] = b43_phy_read(dev, 0x0058);
- backup[8] = b43_phy_read(dev, 0x000A);
- backup[9] = b43_phy_read(dev, 0x0003);
- backup[10] = b43_radio_read16(dev, 0x007A);
- backup[11] = b43_radio_read16(dev, 0x0043);
- b43_phy_mask(dev, 0x0429, 0x7FFF);
- b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000);
- b43_phy_set(dev, 0x0811, 0x000C);
- b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004);
- b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2));
- if (phy->rev >= 6) {
- backup[12] = b43_phy_read(dev, 0x002E);
- backup[13] = b43_phy_read(dev, 0x002F);
- backup[14] = b43_phy_read(dev, 0x080F);
- backup[15] = b43_phy_read(dev, 0x0810);
- backup[16] = b43_phy_read(dev, 0x0801);
- backup[17] = b43_phy_read(dev, 0x0060);
- backup[18] = b43_phy_read(dev, 0x0014);
- backup[19] = b43_phy_read(dev, 0x0478);
- b43_phy_write(dev, 0x002E, 0);
- b43_phy_write(dev, 0x002F, 0);
- b43_phy_write(dev, 0x080F, 0);
- b43_phy_write(dev, 0x0810, 0);
- b43_phy_set(dev, 0x0478, 0x0100);
- b43_phy_set(dev, 0x0801, 0x0040);
- b43_phy_set(dev, 0x0060, 0x0040);
- b43_phy_set(dev, 0x0014, 0x0200);
- }
- b43_radio_set(dev, 0x007A, 0x0070);
- b43_radio_set(dev, 0x007A, 0x0080);
- udelay(30);
- v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F == 31) {
- for (i = 7; i >= 4; i--) {
- b43_radio_write16(dev, 0x007B, i);
- udelay(20);
- v47F =
- (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F < 31 && saved == 0xFFFF)
- saved = i;
- }
- if (saved == 0xFFFF)
- saved = 4;
- } else {
- b43_radio_mask(dev, 0x007A, 0x007F);
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_set(dev, 0x0814, 0x0001);
- b43_phy_mask(dev, 0x0815, 0xFFFE);
- }
- b43_phy_set(dev, 0x0811, 0x000C);
- b43_phy_set(dev, 0x0812, 0x000C);
- b43_phy_set(dev, 0x0811, 0x0030);
- b43_phy_set(dev, 0x0812, 0x0030);
- b43_phy_write(dev, 0x005A, 0x0480);
- b43_phy_write(dev, 0x0059, 0x0810);
- b43_phy_write(dev, 0x0058, 0x000D);
- if (phy->rev == 0) {
- b43_phy_write(dev, 0x0003, 0x0122);
- } else {
- b43_phy_set(dev, 0x000A, 0x2000);
- }
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_set(dev, 0x0814, 0x0004);
- b43_phy_mask(dev, 0x0815, 0xFFFB);
- }
- b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
- b43_radio_set(dev, 0x007A, 0x000F);
- b43_set_all_gains(dev, 3, 0, 1);
- b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F);
- udelay(30);
- v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F == -32) {
- for (i = 0; i < 4; i++) {
- b43_radio_write16(dev, 0x007B, i);
- udelay(20);
- v47F =
- (s16) ((b43_phy_read(dev, 0x047F) >> 8) &
- 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F > -31 && saved == 0xFFFF)
- saved = i;
- }
- if (saved == 0xFFFF)
- saved = 3;
- } else
- saved = 0;
- }
- b43_radio_write16(dev, 0x007B, saved);
- if (phy->rev >= 6) {
- b43_phy_write(dev, 0x002E, backup[12]);
- b43_phy_write(dev, 0x002F, backup[13]);
- b43_phy_write(dev, 0x080F, backup[14]);
- b43_phy_write(dev, 0x0810, backup[15]);
- }
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_write(dev, 0x0814, backup[3]);
- b43_phy_write(dev, 0x0815, backup[4]);
- }
- b43_phy_write(dev, 0x005A, backup[5]);
- b43_phy_write(dev, 0x0059, backup[6]);
- b43_phy_write(dev, 0x0058, backup[7]);
- b43_phy_write(dev, 0x000A, backup[8]);
- b43_phy_write(dev, 0x0003, backup[9]);
- b43_radio_write16(dev, 0x0043, backup[11]);
- b43_radio_write16(dev, 0x007A, backup[10]);
- b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
- b43_phy_set(dev, 0x0429, 0x8000);
- b43_set_original_gains(dev);
- if (phy->rev >= 6) {
- b43_phy_write(dev, 0x0801, backup[16]);
- b43_phy_write(dev, 0x0060, backup[17]);
- b43_phy_write(dev, 0x0014, backup[18]);
- b43_phy_write(dev, 0x0478, backup[19]);
- }
- b43_phy_write(dev, 0x0001, backup[0]);
- b43_phy_write(dev, 0x0812, backup[2]);
- b43_phy_write(dev, 0x0811, backup[1]);
- }
- static void b43_calc_nrssi_slope(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 backup[18] = { 0 };
- u16 tmp;
- s16 nrssi0, nrssi1;
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- if (phy->radio_rev >= 9)
- return;
- if (phy->radio_rev == 8)
- b43_calc_nrssi_offset(dev);
- b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
- b43_phy_mask(dev, 0x0802, 0xFFFC);
- backup[7] = b43_read16(dev, 0x03E2);
- b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
- backup[0] = b43_radio_read16(dev, 0x007A);
- backup[1] = b43_radio_read16(dev, 0x0052);
- backup[2] = b43_radio_read16(dev, 0x0043);
- backup[3] = b43_phy_read(dev, 0x0015);
- backup[4] = b43_phy_read(dev, 0x005A);
- backup[5] = b43_phy_read(dev, 0x0059);
- backup[6] = b43_phy_read(dev, 0x0058);
- backup[8] = b43_read16(dev, 0x03E6);
- backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
- if (phy->rev >= 3) {
- backup[10] = b43_phy_read(dev, 0x002E);
- backup[11] = b43_phy_read(dev, 0x002F);
- backup[12] = b43_phy_read(dev, 0x080F);
- backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
- backup[14] = b43_phy_read(dev, 0x0801);
- backup[15] = b43_phy_read(dev, 0x0060);
- backup[16] = b43_phy_read(dev, 0x0014);
- backup[17] = b43_phy_read(dev, 0x0478);
- b43_phy_write(dev, 0x002E, 0);
- b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
- switch (phy->rev) {
- case 4:
- case 6:
- case 7:
- b43_phy_set(dev, 0x0478, 0x0100);
- b43_phy_set(dev, 0x0801, 0x0040);
- break;
- case 3:
- case 5:
- b43_phy_mask(dev, 0x0801, 0xFFBF);
- break;
- }
- b43_phy_set(dev, 0x0060, 0x0040);
- b43_phy_set(dev, 0x0014, 0x0200);
- }
- b43_radio_set(dev, 0x007A, 0x0070);
- b43_set_all_gains(dev, 0, 8, 0);
- b43_radio_mask(dev, 0x007A, 0x00F7);
- if (phy->rev >= 2) {
- b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030);
- b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010);
- }
- b43_radio_set(dev, 0x007A, 0x0080);
- udelay(20);
- nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (nrssi0 >= 0x0020)
- nrssi0 -= 0x0040;
- b43_radio_mask(dev, 0x007A, 0x007F);
- if (phy->rev >= 2) {
- b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
- }
- b43_write16(dev, B43_MMIO_CHANNEL_EXT,
- b43_read16(dev, B43_MMIO_CHANNEL_EXT)
- | 0x2000);
- b43_radio_set(dev, 0x007A, 0x000F);
- b43_phy_write(dev, 0x0015, 0xF330);
- if (phy->rev >= 2) {
- b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020);
- b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020);
- }
- b43_set_all_gains(dev, 3, 0, 1);
- if (phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x0043, 0x001F);
- } else {
- tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
- b43_radio_write16(dev, 0x0052, tmp | 0x0060);
- tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
- b43_radio_write16(dev, 0x0043, tmp | 0x0009);
- }
- b43_phy_write(dev, 0x005A, 0x0480);
- b43_phy_write(dev, 0x0059, 0x0810);
- b43_phy_write(dev, 0x0058, 0x000D);
- udelay(20);
- nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (nrssi1 >= 0x0020)
- nrssi1 -= 0x0040;
- if (nrssi0 == nrssi1)
- gphy->nrssislope = 0x00010000;
- else
- gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
- if (nrssi0 >= -4) {
- gphy->nrssi[0] = nrssi1;
- gphy->nrssi[1] = nrssi0;
- }
- if (phy->rev >= 3) {
- b43_phy_write(dev, 0x002E, backup[10]);
- b43_phy_write(dev, 0x002F, backup[11]);
- b43_phy_write(dev, 0x080F, backup[12]);
- b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
- }
- if (phy->rev >= 2) {
- b43_phy_mask(dev, 0x0812, 0xFFCF);
- b43_phy_mask(dev, 0x0811, 0xFFCF);
- }
- b43_radio_write16(dev, 0x007A, backup[0]);
- b43_radio_write16(dev, 0x0052, backup[1]);
- b43_radio_write16(dev, 0x0043, backup[2]);
- b43_write16(dev, 0x03E2, backup[7]);
- b43_write16(dev, 0x03E6, backup[8]);
- b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
- b43_phy_write(dev, 0x0015, backup[3]);
- b43_phy_write(dev, 0x005A, backup[4]);
- b43_phy_write(dev, 0x0059, backup[5]);
- b43_phy_write(dev, 0x0058, backup[6]);
- b43_synth_pu_workaround(dev, phy->channel);
- b43_phy_set(dev, 0x0802, (0x0001 | 0x0002));
- b43_set_original_gains(dev);
- b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
- if (phy->rev >= 3) {
- b43_phy_write(dev, 0x0801, backup[14]);
- b43_phy_write(dev, 0x0060, backup[15]);
- b43_phy_write(dev, 0x0014, backup[16]);
- b43_phy_write(dev, 0x0478, backup[17]);
- }
- b43_nrssi_mem_update(dev);
- b43_calc_nrssi_threshold(dev);
- }
- static void b43_calc_nrssi_threshold(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- s32 a, b;
- s16 tmp16;
- u16 tmp_u16;
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- if (!phy->gmode ||
- !(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
- tmp16 = b43_nrssi_hw_read(dev, 0x20);
- if (tmp16 >= 0x20)
- tmp16 -= 0x40;
- if (tmp16 < 3) {
- b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB);
- } else {
- b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED);
- }
- } else {
- if (gphy->interfmode == B43_INTERFMODE_NONWLAN) {
- a = 0xE;
- b = 0xA;
- } else if (!gphy->aci_wlan_automatic && gphy->aci_enable) {
- a = 0x13;
- b = 0x12;
- } else {
- a = 0xE;
- b = 0x11;
- }
- a = a * (gphy->nrssi[1] - gphy->nrssi[0]);
- a += (gphy->nrssi[0] << 6);
- if (a < 32)
- a += 31;
- else
- a += 32;
- a = a >> 6;
- a = clamp_val(a, -31, 31);
- b = b * (gphy->nrssi[1] - gphy->nrssi[0]);
- b += (gphy->nrssi[0] << 6);
- if (b < 32)
- b += 31;
- else
- b += 32;
- b = b >> 6;
- b = clamp_val(b, -31, 31);
- tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
- tmp_u16 |= ((u32) b & 0x0000003F);
- tmp_u16 |= (((u32) a & 0x0000003F) << 6);
- b43_phy_write(dev, 0x048A, tmp_u16);
- }
- }
- /* Stack implementation to save/restore values from the
- * interference mitigation code.
- * It is save to restore values in random order.
- */
- static void _stack_save(u32 *_stackptr, size_t *stackidx,
- u8 id, u16 offset, u16 value)
- {
- u32 *stackptr = &(_stackptr[*stackidx]);
- B43_WARN_ON(offset & 0xF000);
- B43_WARN_ON(id & 0xF0);
- *stackptr = offset;
- *stackptr |= ((u32) id) << 12;
- *stackptr |= ((u32) value) << 16;
- (*stackidx)++;
- B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
- }
- static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset)
- {
- size_t i;
- B43_WARN_ON(offset & 0xF000);
- B43_WARN_ON(id & 0xF0);
- for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
- if ((*stackptr & 0x00000FFF) != offset)
- continue;
- if (((*stackptr & 0x0000F000) >> 12) != id)
- continue;
- return ((*stackptr & 0xFFFF0000) >> 16);
- }
- B43_WARN_ON(1);
- return 0;
- }
- #define phy_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x1, (offset), \
- b43_phy_read(dev, (offset))); \
- } while (0)
- #define phy_stackrestore(offset) \
- do { \
- b43_phy_write(dev, (offset), \
- _stack_restore(stack, 0x1, \
- (offset))); \
- } while (0)
- #define radio_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x2, (offset), \
- b43_radio_read16(dev, (offset))); \
- } while (0)
- #define radio_stackrestore(offset) \
- do { \
- b43_radio_write16(dev, (offset), \
- _stack_restore(stack, 0x2, \
- (offset))); \
- } while (0)
- #define ofdmtab_stacksave(table, offset) \
- do { \
- _stack_save(stack, &stackidx, 0x3, (offset)|(table), \
- b43_ofdmtab_read16(dev, (table), (offset))); \
- } while (0)
- #define ofdmtab_stackrestore(table, offset) \
- do { \
- b43_ofdmtab_write16(dev, (table), (offset), \
- _stack_restore(stack, 0x3, \
- (offset)|(table))); \
- } while (0)
- static void
- b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 tmp, flipped;
- size_t stackidx = 0;
- u32 *stack = gphy->interfstack;
- switch (mode) {
- case B43_INTERFMODE_NONWLAN:
- if (phy->rev != 1) {
- b43_phy_set(dev, 0x042B, 0x0800);
- b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000);
- break;
- }
- radio_stacksave(0x0078);
- tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
- B43_WARN_ON(tmp > 15);
- flipped = bitrev4(tmp);
- if (flipped < 10 && flipped >= 8)
- flipped = 7;
- else if (flipped >= 10)
- flipped -= 3;
- flipped = (bitrev4(flipped) << 1) | 0x0020;
- b43_radio_write16(dev, 0x0078, flipped);
- b43_calc_nrssi_threshold(dev);
- phy_stacksave(0x0406);
- b43_phy_write(dev, 0x0406, 0x7E28);
- b43_phy_set(dev, 0x042B, 0x0800);
- b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000);
- phy_stacksave(0x04A0);
- b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008);
- phy_stacksave(0x04A1);
- b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605);
- phy_stacksave(0x04A2);
- b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204);
- phy_stacksave(0x04A8);
- b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803);
- phy_stacksave(0x04AB);
- b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605);
- phy_stacksave(0x04A7);
- b43_phy_write(dev, 0x04A7, 0x0002);
- phy_stacksave(0x04A3);
- b43_phy_write(dev, 0x04A3, 0x287A);
- phy_stacksave(0x04A9);
- b43_phy_write(dev, 0x04A9, 0x2027);
- phy_stacksave(0x0493);
- b43_phy_write(dev, 0x0493, 0x32F5);
- phy_stacksave(0x04AA);
- b43_phy_write(dev, 0x04AA, 0x2027);
- phy_stacksave(0x04AC);
- b43_phy_write(dev, 0x04AC, 0x32F5);
- break;
- case B43_INTERFMODE_MANUALWLAN:
- if (b43_phy_read(dev, 0x0033) & 0x0800)
- break;
- gphy->aci_enable = true;
- phy_stacksave(B43_PHY_RADIO_BITFIELD);
- phy_stacksave(B43_PHY_G_CRS);
- if (phy->rev < 2) {
- phy_stacksave(0x0406);
- } else {
- phy_stacksave(0x04C0);
- phy_stacksave(0x04C1);
- }
- phy_stacksave(0x0033);
- phy_stacksave(0x04A7);
- phy_stacksave(0x04A3);
- phy_stacksave(0x04A9);
- phy_stacksave(0x04AA);
- phy_stacksave(0x04AC);
- phy_stacksave(0x0493);
- phy_stacksave(0x04A1);
- phy_stacksave(0x04A0);
- phy_stacksave(0x04A2);
- phy_stacksave(0x048A);
- phy_stacksave(0x04A8);
- phy_stacksave(0x04AB);
- if (phy->rev == 2) {
- phy_stacksave(0x04AD);
- phy_stacksave(0x04AE);
- } else if (phy->rev >= 3) {
- phy_stacksave(0x04AD);
- phy_stacksave(0x0415);
- phy_stacksave(0x0416);
- phy_stacksave(0x0417);
- ofdmtab_stacksave(0x1A00, 0x2);
- ofdmtab_stacksave(0x1A00, 0x3);
- }
- phy_stacksave(0x042B);
- phy_stacksave(0x048C);
- b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000);
- b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002);
- b43_phy_write(dev, 0x0033, 0x0800);
- b43_phy_write(dev, 0x04A3, 0x2027);
- b43_phy_write(dev, 0x04A9, 0x1CA8);
- b43_phy_write(dev, 0x0493, 0x287A);
- b43_phy_write(dev, 0x04AA, 0x1CA8);
- b43_phy_write(dev, 0x04AC, 0x287A);
- b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A);
- b43_phy_write(dev, 0x04A7, 0x000D);
- if (phy->rev < 2) {
- b43_phy_write(dev, 0x0406, 0xFF0D);
- } else if (phy->rev == 2) {
- b43_phy_write(dev, 0x04C0, 0xFFFF);
- b43_phy_write(dev, 0x04C1, 0x00A9);
- } else {
- b43_phy_write(dev, 0x04C0, 0x00C1);
- b43_phy_write(dev, 0x04C1, 0x0059);
- }
- b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800);
- b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015);
- b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000);
- b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00);
- b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000);
- b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800);
- b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010);
- b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005);
- b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010);
- b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006);
- b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800);
- b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500);
- b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B);
- if (phy->rev >= 3) {
- b43_phy_mask(dev, 0x048A, 0x7FFF);
- b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8);
- b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8);
- b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D);
- } else {
- b43_phy_set(dev, 0x048A, 0x1000);
- b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000);
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
- }
- if (phy->rev >= 2) {
- b43_phy_set(dev, 0x042B, 0x0800);
- }
- b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200);
- if (phy->rev == 2) {
- b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F);
- b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300);
- } else if (phy->rev >= 6) {
- b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
- b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
- b43_phy_mask(dev, 0x04AD, 0x00FF);
- }
- b43_calc_nrssi_slope(dev);
- break;
- default:
- B43_WARN_ON(1);
- }
- }
- static void
- b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u32 *stack = gphy->interfstack;
- switch (mode) {
- case B43_INTERFMODE_NONWLAN:
- if (phy->rev != 1) {
- b43_phy_mask(dev, 0x042B, ~0x0800);
- b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
- break;
- }
- radio_stackrestore(0x0078);
- b43_calc_nrssi_threshold(dev);
- phy_stackrestore(0x0406);
- b43_phy_mask(dev, 0x042B, ~0x0800);
- if (!dev->bad_frames_preempt) {
- b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11));
- }
- b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
- phy_stackrestore(0x04A0);
- phy_stackrestore(0x04A1);
- phy_stackrestore(0x04A2);
- phy_stackrestore(0x04A8);
- phy_stackrestore(0x04AB);
- phy_stackrestore(0x04A7);
- phy_stackrestore(0x04A3);
- phy_stackrestore(0x04A9);
- phy_stackrestore(0x0493);
- phy_stackrestore(0x04AA);
- phy_stackrestore(0x04AC);
- break;
- case B43_INTERFMODE_MANUALWLAN:
- if (!(b43_phy_read(dev, 0x0033) & 0x0800))
- break;
- gphy->aci_enable = false;
- phy_stackrestore(B43_PHY_RADIO_BITFIELD);
- phy_stackrestore(B43_PHY_G_CRS);
- phy_stackrestore(0x0033);
- phy_stackrestore(0x04A3);
- phy_stackrestore(0x04A9);
- phy_stackrestore(0x0493);
- phy_stackrestore(0x04AA);
- phy_stackrestore(0x04AC);
- phy_stackrestore(0x04A0);
- phy_stackrestore(0x04A7);
- if (phy->rev >= 2) {
- phy_stackrestore(0x04C0);
- phy_stackrestore(0x04C1);
- } else
- phy_stackrestore(0x0406);
- phy_stackrestore(0x04A1);
- phy_stackrestore(0x04AB);
- phy_stackrestore(0x04A8);
- if (phy->rev == 2) {
- phy_stackrestore(0x04AD);
- phy_stackrestore(0x04AE);
- } else if (phy->rev >= 3) {
- phy_stackrestore(0x04AD);
- phy_stackrestore(0x0415);
- phy_stackrestore(0x0416);
- phy_stackrestore(0x0417);
- ofdmtab_stackrestore(0x1A00, 0x2);
- ofdmtab_stackrestore(0x1A00, 0x3);
- }
- phy_stackrestore(0x04A2);
- phy_stackrestore(0x048A);
- phy_stackrestore(0x042B);
- phy_stackrestore(0x048C);
- b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
- b43_calc_nrssi_slope(dev);
- break;
- default:
- B43_WARN_ON(1);
- }
- }
- #undef phy_stacksave
- #undef phy_stackrestore
- #undef radio_stacksave
- #undef radio_stackrestore
- #undef ofdmtab_stacksave
- #undef ofdmtab_stackrestore
- static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
- {
- u16 reg, index, ret;
- static const u8 rcc_table[] = {
- 0x02, 0x03, 0x01, 0x0F,
- 0x06, 0x07, 0x05, 0x0F,
- 0x0A, 0x0B, 0x09, 0x0F,
- 0x0E, 0x0F, 0x0D, 0x0F,
- };
- reg = b43_radio_read16(dev, 0x60);
- index = (reg & 0x001E) >> 1;
- ret = rcc_table[index] << 1;
- ret |= (reg & 0x0001);
- ret |= 0x0020;
- return ret;
- }
- #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0))
- static u16 radio2050_rfover_val(struct b43_wldev *dev,
- u16 phy_register, unsigned int lpd)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- struct ssb_sprom *sprom = dev->dev->bus_sprom;
- if (!phy->gmode)
- return 0;
- if (has_loopback_gain(phy)) {
- int max_lb_gain = gphy->max_lb_gain;
- u16 extlna;
- u16 i;
- if (phy->radio_rev == 8)
- max_lb_gain += 0x3E;
- else
- max_lb_gain += 0x26;
- if (max_lb_gain >= 0x46) {
- extlna = 0x3000;
- max_lb_gain -= 0x46;
- } else if (max_lb_gain >= 0x3A) {
- extlna = 0x1000;
- max_lb_gain -= 0x3A;
- } else if (max_lb_gain >= 0x2E) {
- extlna = 0x2000;
- max_lb_gain -= 0x2E;
- } else {
- extlna = 0;
- max_lb_gain -= 0x10;
- }
- for (i = 0; i < 16; i++) {
- max_lb_gain -= (i * 6);
- if (max_lb_gain < 6)
- break;
- }
- if ((phy->rev < 7) ||
- !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
- if (phy_register == B43_PHY_RFOVER) {
- return 0x1B3;
- } else if (phy_register == B43_PHY_RFOVERVAL) {
- extlna |= (i << 8);
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x0F92;
- case LPD(0, 0, 1):
- case LPD(1, 0, 1):
- return (0x0092 | extlna);
- case LPD(1, 0, 0):
- return (0x0093 | extlna);
- }
- B43_WARN_ON(1);
- }
- B43_WARN_ON(1);
- } else {
- if (phy_register == B43_PHY_RFOVER) {
- return 0x9B3;
- } else if (phy_register == B43_PHY_RFOVERVAL) {
- if (extlna)
- extlna |= 0x8000;
- extlna |= (i << 8);
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x8F92;
- case LPD(0, 0, 1):
- return (0x8092 | extlna);
- case LPD(1, 0, 1):
- return (0x2092 | extlna);
- case LPD(1, 0, 0):
- return (0x2093 | extlna);
- }
- B43_WARN_ON(1);
- }
- B43_WARN_ON(1);
- }
- } else {
- if ((phy->rev < 7) ||
- !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
- if (phy_register == B43_PHY_RFOVER) {
- return 0x1B3;
- } else if (phy_register == B43_PHY_RFOVERVAL) {
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x0FB2;
- case LPD(0, 0, 1):
- return 0x00B2;
- case LPD(1, 0, 1):
- return 0x30B2;
- case LPD(1, 0, 0):
- return 0x30B3;
- }
- B43_WARN_ON(1);
- }
- B43_WARN_ON(1);
- } else {
- if (phy_register == B43_PHY_RFOVER) {
- return 0x9B3;
- } else if (phy_register == B43_PHY_RFOVERVAL) {
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x8FB2;
- case LPD(0, 0, 1):
- return 0x80B2;
- case LPD(1, 0, 1):
- return 0x20B2;
- case LPD(1, 0, 0):
- return 0x20B3;
- }
- B43_WARN_ON(1);
- }
- B43_WARN_ON(1);
- }
- }
- return 0;
- }
- struct init2050_saved_values {
- /* Core registers */
- u16 reg_3EC;
- u16 reg_3E6;
- u16 reg_3F4;
- /* Radio registers */
- u16 radio_43;
- u16 radio_51;
- u16 radio_52;
- /* PHY registers */
- u16 phy_pgactl;
- u16 phy_cck_5A;
- u16 phy_cck_59;
- u16 phy_cck_58;
- u16 phy_cck_30;
- u16 phy_rfover;
- u16 phy_rfoverval;
- u16 phy_analogover;
- u16 phy_analogoverval;
- u16 phy_crs0;
- u16 phy_classctl;
- u16 phy_lo_mask;
- u16 phy_lo_ctl;
- u16 phy_syncctl;
- };
- static u16 b43_radio_init2050(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct init2050_saved_values sav;
- u16 rcc;
- u16 radio78;
- u16 ret;
- u16 i, j;
- u32 tmp1 = 0, tmp2 = 0;
- memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */
- sav.radio_43 = b43_radio_read16(dev, 0x43);
- sav.radio_51 = b43_radio_read16(dev, 0x51);
- sav.radio_52 = b43_radio_read16(dev, 0x52);
- sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
- sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
- sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
- sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));
- if (phy->type == B43_PHYTYPE_B) {
- sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
- sav.reg_3EC = b43_read16(dev, 0x3EC);
- b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
- b43_write16(dev, 0x3EC, 0x3F3F);
- } else if (phy->gmode || phy->rev >= 2) {
- sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
- sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
- sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
- sav.phy_analogoverval =
- b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
- sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
- sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
- b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
- b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
- b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
- b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
- if (has_loopback_gain(phy)) {
- sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
- sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);
- if (phy->rev >= 3)
- b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
- else
- b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
- b43_phy_write(dev, B43_PHY_LO_CTL, 0);
- }
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
- LPD(0, 1, 1)));
- b43_phy_write(dev, B43_PHY_RFOVER,
- radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
- }
- b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);
- sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
- b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F);
- sav.reg_3E6 = b43_read16(dev, 0x3E6);
- sav.reg_3F4 = b43_read16(dev, 0x3F4);
- if (phy->analog == 0) {
- b43_write16(dev, 0x03E6, 0x0122);
- } else {
- if (phy->analog >= 2) {
- b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40);
- }
- b43_write16(dev, B43_MMIO_CHANNEL_EXT,
- (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
- }
- rcc = b43_radio_core_calibration_value(dev);
- if (phy->type == B43_PHYTYPE_B)
- b43_radio_write16(dev, 0x78, 0x26);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
- LPD(0, 1, 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
- b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
- LPD(0, 0, 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
- b43_radio_set(dev, 0x51, 0x0004);
- if (phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x43, 0x1F);
- } else {
- b43_radio_write16(dev, 0x52, 0);
- b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009);
- }
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
- for (i = 0; i < 16; i++) {
- b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
- b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0, 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
- udelay(10);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0, 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
- udelay(10);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0, 0)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
- udelay(20);
- tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0, 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
- }
- udelay(10);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
- tmp1++;
- tmp1 >>= 9;
- for (i = 0; i < 16; i++) {
- radio78 = (bitrev4(i) << 1) | 0x0020;
- b43_radio_write16(dev, 0x78, radio78);
- udelay(10);
- for (j = 0; j < 16; j++) {
- b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
- b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0,
- 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
- udelay(10);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0,
- 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
- udelay(10);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0,
- 0)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
- udelay(10);
- tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
- if (phy->gmode || phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- radio2050_rfover_val(dev,
- B43_PHY_RFOVERVAL,
- LPD(1, 0,
- 1)));
- }
- b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
- }
- tmp2++;
- tmp2 >>= 8;
- if (tmp1 < tmp2)
- break;
- }
- /* Restore the registers */
- b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
- b43_radio_write16(dev, 0x51, sav.radio_51);
- b43_radio_write16(dev, 0x52, sav.radio_52);
- b43_radio_write16(dev, 0x43, sav.radio_43);
- b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
- b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
- b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
- b43_write16(dev, 0x3E6, sav.reg_3E6);
- if (phy->analog != 0)
- b43_write16(dev, 0x3F4, sav.reg_3F4);
- b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
- b43_synth_pu_workaround(dev, phy->channel);
- if (phy->type == B43_PHYTYPE_B) {
- b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
- b43_write16(dev, 0x3EC, sav.reg_3EC);
- } else if (phy->gmode) {
- b43_write16(dev, B43_MMIO_PHY_RADIO,
- b43_read16(dev, B43_MMIO_PHY_RADIO)
- & 0x7FFF);
- b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover);
- b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval);
- b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover);
- b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
- sav.phy_analogoverval);
- b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
- b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
- if (has_loopback_gain(phy)) {
- b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
- b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
- }
- }
- if (i > 15)
- ret = radio78;
- else
- ret = rcc;
- return ret;
- }
- static void b43_phy_initb5(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 offset, value;
- u8 old_channel;
- if (phy->analog == 1) {
- b43_radio_set(dev, 0x007A, 0x0050);
- }
- if ((dev->dev->board_vendor != SSB_BOARDVENDOR_BCM) &&
- (dev->dev->board_type != SSB_BOARD_BU4306)) {
- value = 0x2120;
- for (offset = 0x00A8; offset < 0x00C7; offset++) {
- b43_phy_write(dev, offset, value);
- value += 0x202;
- }
- }
- b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700);
- if (phy->radio_ver == 0x2050)
- b43_phy_write(dev, 0x0038, 0x0667);
- if (phy->gmode || phy->rev >= 2) {
- if (phy->radio_ver == 0x2050) {
- b43_radio_set(dev, 0x007A, 0x0020);
- b43_radio_set(dev, 0x0051, 0x0004);
- }
- b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);
- b43_phy_set(dev, 0x0802, 0x0100);
- b43_phy_set(dev, 0x042B, 0x2000);
- b43_phy_write(dev, 0x001C, 0x186A);
- b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900);
- b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064);
- b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A);
- }
- if (dev->bad_frames_preempt) {
- b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11));
- }
- if (phy->analog == 1) {
- b43_phy_write(dev, 0x0026, 0xCE00);
- b43_phy_write(dev, 0x0021, 0x3763);
- b43_phy_write(dev, 0x0022, 0x1BC3);
- b43_phy_write(dev, 0x0023, 0x06F9);
- b43_phy_write(dev, 0x0024, 0x037E);
- } else
- b43_phy_write(dev, 0x0026, 0xCC00);
- b43_phy_write(dev, 0x0030, 0x00C6);
- b43_write16(dev, 0x03EC, 0x3F22);
- if (phy->analog == 1)
- b43_phy_write(dev, 0x0020, 0x3E1C);
- else
- b43_phy_write(dev, 0x0020, 0x301C);
- if (phy->analog == 0)
- b43_write16(dev, 0x03E4, 0x3000);
- old_channel = phy->channel;
- /* Force to channel 7, even if not supported. */
- b43_gphy_channel_switch(dev, 7, 0);
- if (phy->radio_ver != 0x2050) {
- b43_radio_write16(dev, 0x0075, 0x0080);
- b43_radio_write16(dev, 0x0079, 0x0081);
- }
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x0050, 0x0023);
- if (phy->radio_ver == 0x2050) {
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x005A, 0x0070);
- }
- b43_radio_write16(dev, 0x005B, 0x007B);
- b43_radio_write16(dev, 0x005C, 0x00B0);
- b43_radio_set(dev, 0x007A, 0x0007);
- b43_gphy_channel_switch(dev, old_channel, 0);
- b43_phy_write(dev, 0x0014, 0x0080);
- b43_phy_write(dev, 0x0032, 0x00CA);
- b43_phy_write(dev, 0x002A, 0x88A3);
- b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
- if (phy->radio_ver == 0x2050)
- b43_radio_write16(dev, 0x005D, 0x000D);
- b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
- }
- /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/B6 */
- static void b43_phy_initb6(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 offset, val;
- u8 old_channel;
- b43_phy_write(dev, 0x003E, 0x817A);
- b43_radio_write16(dev, 0x007A,
- (b43_radio_read16(dev, 0x007A) | 0x0058));
- if (phy->radio_rev == 4 || phy->radio_rev == 5) {
- b43_radio_write16(dev, 0x51, 0x37);
- b43_radio_write16(dev, 0x52, 0x70);
- b43_radio_write16(dev, 0x53, 0xB3);
- b43_radio_write16(dev, 0x54, 0x9B);
- b43_radio_write16(dev, 0x5A, 0x88);
- b43_radio_write16(dev, 0x5B, 0x88);
- b43_radio_write16(dev, 0x5D, 0x88);
- b43_radio_write16(dev, 0x5E, 0x88);
- b43_radio_write16(dev, 0x7D, 0x88);
- b43_hf_write(dev, b43_hf_read(dev)
- | B43_HF_TSSIRPSMW);
- }
- B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */
- if (phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x51, 0);
- b43_radio_write16(dev, 0x52, 0x40);
- b43_radio_write16(dev, 0x53, 0xB7);
- b43_radio_write16(dev, 0x54, 0x98);
- b43_radio_write16(dev, 0x5A, 0x88);
- b43_radio_write16(dev, 0x5B, 0x6B);
- b43_radio_write16(dev, 0x5C, 0x0F);
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_ALTIQ) {
- b43_radio_write16(dev, 0x5D, 0xFA);
- b43_radio_write16(dev, 0x5E, 0xD8);
- } else {
- b43_radio_write16(dev, 0x5D, 0xF5);
- b43_radio_write16(dev, 0x5E, 0xB8);
- }
- b43_radio_write16(dev, 0x0073, 0x0003);
- b43_radio_write16(dev, 0x007D, 0x00A8);
- b43_radio_write16(dev, 0x007C, 0x0001);
- b43_radio_write16(dev, 0x007E, 0x0008);
- }
- val = 0x1E1F;
- for (offset = 0x0088; offset < 0x0098; offset++) {
- b43_phy_write(dev, offset, val);
- val -= 0x0202;
- }
- val = 0x3E3F;
- for (offset = 0x0098; offset < 0x00A8; offset++) {
- b43_phy_write(dev, offset, val);
- val -= 0x0202;
- }
- val = 0x2120;
- for (offset = 0x00A8; offset < 0x00C8; offset++) {
- b43_phy_write(dev, offset, (val & 0x3F3F));
- val += 0x0202;
- }
- if (phy->type == B43_PHYTYPE_G) {
- b43_radio_set(dev, 0x007A, 0x0020);
- b43_radio_set(dev, 0x0051, 0x0004);
- b43_phy_set(dev, 0x0802, 0x0100);
- b43_phy_set(dev, 0x042B, 0x2000);
- b43_phy_write(dev, 0x5B, 0);
- b43_phy_write(dev, 0x5C, 0);
- }
- old_channel = phy->channel;
- if (old_channel >= 8)
- b43_gphy_channel_switch(dev, 1, 0);
- else
- b43_gphy_channel_switch(dev, 13, 0);
- b43_radio_write16(dev, 0x0050, 0x0020);
- b43_radio_write16(dev, 0x0050, 0x0023);
- udelay(40);
- if (phy->radio_rev < 6 || phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
- | 0x0002));
- b43_radio_write16(dev, 0x50, 0x20);
- }
- if (phy->radio_rev <= 2) {
- b43_radio_write16(dev, 0x50, 0x20);
- b43_radio_write16(dev, 0x5A, 0x70);
- b43_radio_write16(dev, 0x5B, 0x7B);
- b43_radio_write16(dev, 0x5C, 0xB0);
- }
- b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007);
- b43_gphy_channel_switch(dev, old_channel, 0);
- b43_phy_write(dev, 0x0014, 0x0200);
- if (phy->radio_rev >= 6)
- b43_phy_write(dev, 0x2A, 0x88C2);
- else
- b43_phy_write(dev, 0x2A, 0x8AC0);
- b43_phy_write(dev, 0x0038, 0x0668);
- b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
- if (phy->radio_rev == 4 || phy->radio_rev == 5)
- b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003);
- if (phy->radio_rev <= 2)
- b43_radio_write16(dev, 0x005D, 0x000D);
- if (phy->analog == 4) {
- b43_write16(dev, 0x3E4, 9);
- b43_phy_mask(dev, 0x61, 0x0FFF);
- } else {
- b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004);
- }
- if (phy->type == B43_PHYTYPE_B)
- B43_WARN_ON(1);
- else if (phy->type == B43_PHYTYPE_G)
- b43_write16(dev, 0x03E6, 0x0);
- }
- static void b43_calc_loopback_gain(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 backup_phy[16] = { 0 };
- u16 backup_radio[3];
- u16 backup_bband;
- u16 i, j, loop_i_max;
- u16 trsw_rx;
- u16 loop1_outer_done, loop1_inner_done;
- backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
- backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
- backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
- backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
- backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
- }
- backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
- backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
- backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
- backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
- backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
- backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
- backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
- backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
- backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
- backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
- backup_bband = gphy->bbatt.att;
- backup_radio[0] = b43_radio_read16(dev, 0x52);
- backup_radio[1] = b43_radio_read16(dev, 0x43);
- backup_radio[2] = b43_radio_read16(dev, 0x7A);
- b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
- b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000);
- b43_phy_set(dev, B43_PHY_RFOVER, 0x0002);
- b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD);
- b43_phy_set(dev, B43_PHY_RFOVER, 0x0001);
- b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE);
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001);
- b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE);
- b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002);
- b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD);
- }
- b43_phy_set(dev, B43_PHY_RFOVER, 0x000C);
- b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C);
- b43_phy_set(dev, B43_PHY_RFOVER, 0x0030);
- b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10);
- b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
- b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
- b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
- b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000);
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004);
- b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB);
- }
- b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40);
- if (phy->radio_rev == 8) {
- b43_radio_write16(dev, 0x43, 0x000F);
- } else {
- b43_radio_write16(dev, 0x52, 0);
- b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9);
- }
- b43_gphy_set_baseband_attenuation(dev, 11);
- if (phy->rev >= 3)
- b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
- else
- b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
- b43_phy_write(dev, B43_PHY_LO_CTL, 0);
- b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01);
- b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800);
- b43_phy_set(dev, B43_PHY_RFOVER, 0x0100);
- b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF);
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_EXTLNA) {
- if (phy->rev >= 7) {
- b43_phy_set(dev, B43_PHY_RFOVER, 0x0800);
- b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x8000);
- }
- }
- b43_radio_mask(dev, 0x7A, 0x00F7);
- j = 0;
- loop_i_max = (phy->radio_rev == 8) ? 15 : 9;
- for (i = 0; i < loop_i_max; i++) {
- for (j = 0; j < 16; j++) {
- b43_radio_write16(dev, 0x43, i);
- b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
- b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
- b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
- udelay(20);
- if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
- goto exit_loop1;
- }
- }
- exit_loop1:
- loop1_outer_done = i;
- loop1_inner_done = j;
- if (j >= 8) {
- b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x30);
- trsw_rx = 0x1B;
- for (j = j - 8; j < 16; j++) {
- b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
- b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
- b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
- udelay(20);
- trsw_rx -= 3;
- if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
- goto exit_loop2;
- }
- } else
- trsw_rx = 0x18;
- exit_loop2:
- if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
- b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
- b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
- }
- b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]);
- b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]);
- b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]);
- b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]);
- b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]);
- b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
- b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
- b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]);
- b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);
- b43_gphy_set_baseband_attenuation(dev, backup_bband);
- b43_radio_write16(dev, 0x52, backup_radio[0]);
- b43_radio_write16(dev, 0x43, backup_radio[1]);
- b43_radio_write16(dev, 0x7A, backup_radio[2]);
- b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003);
- udelay(10);
- b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]);
- b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]);
- b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
- b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]);
- gphy->max_lb_gain =
- ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
- gphy->trsw_rx_gain = trsw_rx * 2;
- }
- static void b43_hardware_pctl_early_init(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- if (!b43_has_hardware_pctl(dev)) {
- b43_phy_write(dev, 0x047A, 0xC111);
- return;
- }
- b43_phy_mask(dev, 0x0036, 0xFEFF);
- b43_phy_write(dev, 0x002F, 0x0202);
- b43_phy_set(dev, 0x047C, 0x0002);
- b43_phy_set(dev, 0x047A, 0xF000);
- if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
- b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
- b43_phy_set(dev, 0x005D, 0x8000);
- b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
- b43_phy_write(dev, 0x002E, 0xC07F);
- b43_phy_set(dev, 0x0036, 0x0400);
- } else {
- b43_phy_set(dev, 0x0036, 0x0200);
- b43_phy_set(dev, 0x0036, 0x0400);
- b43_phy_mask(dev, 0x005D, 0x7FFF);
- b43_phy_mask(dev, 0x004F, 0xFFFE);
- b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
- b43_phy_write(dev, 0x002E, 0xC07F);
- b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
- }
- }
- /* Hardware power control for G-PHY */
- static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- if (!b43_has_hardware_pctl(dev)) {
- /* No hardware power control */
- b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL);
- return;
- }
- b43_phy_maskset(dev, 0x0036, 0xFFC0, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
- b43_phy_maskset(dev, 0x0478, 0xFF00, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
- b43_gphy_tssi_power_lt_init(dev);
- b43_gphy_gain_lt_init(dev);
- b43_phy_mask(dev, 0x0060, 0xFFBF);
- b43_phy_write(dev, 0x0014, 0x0000);
- B43_WARN_ON(phy->rev < 6);
- b43_phy_set(dev, 0x0478, 0x0800);
- b43_phy_mask(dev, 0x0478, 0xFEFF);
- b43_phy_mask(dev, 0x0801, 0xFFBF);
- b43_gphy_dc_lt_init(dev, 1);
- /* Enable hardware pctl in firmware. */
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL);
- }
- /* Initialize B/G PHY power control */
- static void b43_phy_init_pctl(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- struct b43_rfatt old_rfatt;
- struct b43_bbatt old_bbatt;
- u8 old_tx_control = 0;
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
- (dev->dev->board_type == SSB_BOARD_BU4306))
- return;
- b43_phy_write(dev, 0x0028, 0x8018);
- /* This does something with the Analog... */
- b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0)
- & 0xFFDF);
- if (!phy->gmode)
- return;
- b43_hardware_pctl_early_init(dev);
- if (gphy->cur_idle_tssi == 0) {
- if (phy->radio_ver == 0x2050 && phy->analog == 0) {
- b43_radio_maskset(dev, 0x0076, 0x00F7, 0x0084);
- } else {
- struct b43_rfatt rfatt;
- struct b43_bbatt bbatt;
- memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt));
- memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt));
- old_tx_control = gphy->tx_control;
- bbatt.att = 11;
- if (phy->radio_rev == 8) {
- rfatt.att = 15;
- rfatt.with_padmix = true;
- } else {
- rfatt.att = 9;
- rfatt.with_padmix = false;
- }
- b43_set_txpower_g(dev, &bbatt, &rfatt, 0);
- }
- b43_dummy_transmission(dev, false, true);
- gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI);
- if (B43_DEBUG) {
- /* Current-Idle-TSSI sanity check. */
- if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) {
- b43dbg(dev->wl,
- "!WARNING! Idle-TSSI phy->cur_idle_tssi "
- "measuring failed. (cur=%d, tgt=%d). Disabling TX power "
- "adjustment.\n", gphy->cur_idle_tssi,
- gphy->tgt_idle_tssi);
- gphy->cur_idle_tssi = 0;
- }
- }
- if (phy->radio_ver == 0x2050 && phy->analog == 0) {
- b43_radio_mask(dev, 0x0076, 0xFF7B);
- } else {
- b43_set_txpower_g(dev, &old_bbatt,
- &old_rfatt, old_tx_control);
- }
- }
- b43_hardware_pctl_init_gphy(dev);
- b43_shm_clear_tssi(dev);
- }
- static void b43_phy_inita(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- might_sleep();
- if (phy->rev >= 6) {
- if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
- b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
- else
- b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
- }
- b43_wa_all(dev);
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
- b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
- }
- static void b43_phy_initg(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u16 tmp;
- if (phy->rev == 1)
- b43_phy_initb5(dev);
- else
- b43_phy_initb6(dev);
- if (phy->rev >= 2 || phy->gmode)
- b43_phy_inita(dev);
- if (phy->rev >= 2) {
- b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
- b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0);
- }
- if (phy->rev == 2) {
- b43_phy_write(dev, B43_PHY_RFOVER, 0);
- b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
- }
- if (phy->rev > 5) {
- b43_phy_write(dev, B43_PHY_RFOVER, 0x400);
- b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
- }
- if (phy->gmode || phy->rev >= 2) {
- tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM);
- tmp &= B43_PHYVER_VERSION;
- if (tmp == 3 || tmp == 5) {
- b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816);
- b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006);
- }
- if (tmp == 5) {
- b43_phy_maskset(dev, B43_PHY_OFDM(0xCC), 0x00FF, 0x1F00);
- }
- }
- if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
- b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78);
- if (phy->radio_rev == 8) {
- b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x80);
- b43_phy_set(dev, B43_PHY_OFDM(0x3E), 0x4);
- }
- if (has_loopback_gain(phy))
- b43_calc_loopback_gain(dev);
- if (phy->radio_rev != 8) {
- if (gphy->initval == 0xFFFF)
- gphy->initval = b43_radio_init2050(dev);
- else
- b43_radio_write16(dev, 0x0078, gphy->initval);
- }
- b43_lo_g_init(dev);
- if (has_tx_magnification(phy)) {
- b43_radio_write16(dev, 0x52,
- (b43_radio_read16(dev, 0x52) & 0xFF00)
- | gphy->lo_control->tx_bias | gphy->
- lo_control->tx_magn);
- } else {
- b43_radio_maskset(dev, 0x52, 0xFFF0, gphy->lo_control->tx_bias);
- }
- if (phy->rev >= 6) {
- b43_phy_maskset(dev, B43_PHY_CCK(0x36), 0x0FFF, (gphy->lo_control->tx_bias << 12));
- }
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
- b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075);
- else
- b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F);
- if (phy->rev < 2)
- b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101);
- else
- b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202);
- if (phy->gmode || phy->rev >= 2) {
- b43_lo_g_adjust(dev);
- b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
- }
- if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
- /* The specs state to update the NRSSI LT with
- * the value 0x7FFFFFFF here. I think that is some weird
- * compiler optimization in the original driver.
- * Essentially, what we do here is resetting all NRSSI LT
- * entries to -32 (see the clamp_val() in nrssi_hw_update())
- */
- b43_nrssi_hw_update(dev, 0xFFFF); //FIXME?
- b43_calc_nrssi_threshold(dev);
- } else if (phy->gmode || phy->rev >= 2) {
- if (gphy->nrssi[0] == -1000) {
- B43_WARN_ON(gphy->nrssi[1] != -1000);
- b43_calc_nrssi_slope(dev);
- } else
- b43_calc_nrssi_threshold(dev);
- }
- if (phy->radio_rev == 8)
- b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230);
- b43_phy_init_pctl(dev);
- /* FIXME: The spec says in the following if, the 0 should be replaced
- 'if OFDM may not be used in the current locale'
- but OFDM is legal everywhere */
- if ((dev->dev->chip_id == 0x4306
- && dev->dev->chip_pkg == 2) || 0) {
- b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF);
- b43_phy_mask(dev, B43_PHY_OFDM(0xC3), 0x7FFF);
- }
- }
- void b43_gphy_channel_switch(struct b43_wldev *dev,
- unsigned int channel,
- bool synthetic_pu_workaround)
- {
- if (synthetic_pu_workaround)
- b43_synth_pu_workaround(dev, channel);
- b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
- if (channel == 14) {
- if (dev->dev->bus_sprom->country_code ==
- SSB_SPROM1CCODE_JAPAN)
- b43_hf_write(dev,
- b43_hf_read(dev) & ~B43_HF_ACPR);
- else
- b43_hf_write(dev,
- b43_hf_read(dev) | B43_HF_ACPR);
- b43_write16(dev, B43_MMIO_CHANNEL_EXT,
- b43_read16(dev, B43_MMIO_CHANNEL_EXT)
- | (1 << 11));
- } else {
- b43_write16(dev, B43_MMIO_CHANNEL_EXT,
- b43_read16(dev, B43_MMIO_CHANNEL_EXT)
- & 0xF7BF);
- }
- }
- static void default_baseband_attenuation(struct b43_wldev *dev,
- struct b43_bbatt *bb)
- {
- struct b43_phy *phy = &dev->phy;
- if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
- bb->att = 0;
- else
- bb->att = 2;
- }
- static void default_radio_attenuation(struct b43_wldev *dev,
- struct b43_rfatt *rf)
- {
- struct b43_bus_dev *bdev = dev->dev;
- struct b43_phy *phy = &dev->phy;
- rf->with_padmix = false;
- if (dev->dev->board_vendor == SSB_BOARDVENDOR_BCM &&
- dev->dev->board_type == SSB_BOARD_BCM4309G) {
- if (dev->dev->board_rev < 0x43) {
- rf->att = 2;
- return;
- } else if (dev->dev->board_rev < 0x51) {
- rf->att = 3;
- return;
- }
- }
- switch (phy->radio_ver) {
- case 0x2053:
- switch (phy->radio_rev) {
- case 1:
- rf->att = 6;
- return;
- }
- break;
- case 0x2050:
- switch (phy->radio_rev) {
- case 0:
- rf->att = 5;
- return;
- case 1:
- if (phy->type == B43_PHYTYPE_G) {
- if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
- && bdev->board_type == SSB_BOARD_BCM4309G
- && bdev->board_rev >= 30)
- rf->att = 3;
- else if (bdev->board_vendor ==
- SSB_BOARDVENDOR_BCM
- && bdev->board_type ==
- SSB_BOARD_BU4306)
- rf->att = 3;
- else
- rf->att = 1;
- } else {
- if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
- && bdev->board_type == SSB_BOARD_BCM4309G
- && bdev->board_rev >= 30)
- rf->att = 7;
- else
- rf->att = 6;
- }
- return;
- case 2:
- if (phy->type == B43_PHYTYPE_G) {
- if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
- && bdev->board_type == SSB_BOARD_BCM4309G
- && bdev->board_rev >= 30)
- rf->att = 3;
- else if (bdev->board_vendor ==
- SSB_BOARDVENDOR_BCM
- && bdev->board_type ==
- SSB_BOARD_BU4306)
- rf->att = 5;
- else if (bdev->chip_id == 0x4320)
- rf->att = 4;
- else
- rf->att = 3;
- } else
- rf->att = 6;
- return;
- case 3:
- rf->att = 5;
- return;
- case 4:
- case 5:
- rf->att = 1;
- return;
- case 6:
- case 7:
- rf->att = 5;
- return;
- case 8:
- rf->att = 0xA;
- rf->with_padmix = true;
- return;
- case 9:
- default:
- rf->att = 5;
- return;
- }
- }
- rf->att = 5;
- }
- static u16 default_tx_control(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- if (phy->radio_ver != 0x2050)
- return 0;
- if (phy->radio_rev == 1)
- return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX;
- if (phy->radio_rev < 6)
- return B43_TXCTL_PA2DB;
- if (phy->radio_rev == 8)
- return B43_TXCTL_TXMIX;
- return 0;
- }
- static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- u8 ret = 0;
- u16 saved, rssi, temp;
- int i, j = 0;
- saved = b43_phy_read(dev, 0x0403);
- b43_switch_channel(dev, channel);
- b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
- if (gphy->aci_hw_rssi)
- rssi = b43_phy_read(dev, 0x048A) & 0x3F;
- else
- rssi = saved & 0x3F;
- /* clamp temp to signed 5bit */
- if (rssi > 32)
- rssi -= 64;
- for (i = 0; i < 100; i++) {
- temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F;
- if (temp > 32)
- temp -= 64;
- if (temp < rssi)
- j++;
- if (j >= 20)
- ret = 1;
- }
- b43_phy_write(dev, 0x0403, saved);
- return ret;
- }
- static u8 b43_gphy_aci_scan(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- u8 ret[13] = { 0 };
- unsigned int channel = phy->channel;
- unsigned int i, j, start, end;
- if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
- return 0;
- b43_phy_lock(dev);
- b43_radio_lock(dev);
- b43_phy_mask(dev, 0x0802, 0xFFFC);
- b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
- b43_set_all_gains(dev, 3, 8, 1);
- start = (channel - 5 > 0) ? channel - 5 : 1;
- end = (channel + 5 < 14) ? channel + 5 : 13;
- for (i = start; i <= end; i++) {
- if (abs(channel - i) > 2)
- ret[i - 1] = b43_gphy_aci_detect(dev, i);
- }
- b43_switch_channel(dev, channel);
- b43_phy_maskset(dev, 0x0802, 0xFFFC, 0x0003);
- b43_phy_mask(dev, 0x0403, 0xFFF8);
- b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
- b43_set_original_gains(dev);
- for (i = 0; i < 13; i++) {
- if (!ret[i])
- continue;
- end = (i + 5 < 13) ? i + 5 : 13;
- for (j = i; j < end; j++)
- ret[j] = 1;
- }
- b43_radio_unlock(dev);
- b43_phy_unlock(dev);
- return ret[channel - 1];
- }
- static s32 b43_tssi2dbm_ad(s32 num, s32 den)
- {
- if (num < 0)
- return num / den;
- else
- return (num + den / 2) / den;
- }
- static s8 b43_tssi2dbm_entry(s8 entry[], u8 index,
- s16 pab0, s16 pab1, s16 pab2)
- {
- s32 m1, m2, f = 256, q, delta;
- s8 i = 0;
- m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
- m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1);
- do {
- if (i > 15)
- return -EINVAL;
- q = b43_tssi2dbm_ad(f * 4096 -
- b43_tssi2dbm_ad(m2 * f, 16) * f, 2048);
- delta = abs(q - f);
- f = q;
- i++;
- } while (delta >= 2);
- entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
- return 0;
- }
- u8 *b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
- s16 pab0, s16 pab1, s16 pab2)
- {
- unsigned int i;
- u8 *tab;
- int err;
- tab = kmalloc(64, GFP_KERNEL);
- if (!tab) {
- b43err(dev->wl, "Could not allocate memory "
- "for tssi2dbm table\n");
- return NULL;
- }
- for (i = 0; i < 64; i++) {
- err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2);
- if (err) {
- b43err(dev->wl, "Could not generate "
- "tssi2dBm table\n");
- kfree(tab);
- return NULL;
- }
- }
- return tab;
- }
- /* Initialise the TSSI->dBm lookup table */
- static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- s16 pab0, pab1, pab2;
- pab0 = (s16) (dev->dev->bus_sprom->pa0b0);
- pab1 = (s16) (dev->dev->bus_sprom->pa0b1);
- pab2 = (s16) (dev->dev->bus_sprom->pa0b2);
- B43_WARN_ON((dev->dev->chip_id == 0x4301) &&
- (phy->radio_ver != 0x2050)); /* Not supported anymore */
- gphy->dyn_tssi_tbl = false;
- if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
- pab0 != -1 && pab1 != -1 && pab2 != -1) {
- /* The pabX values are set in SPROM. Use them. */
- if ((s8) dev->dev->bus_sprom->itssi_bg != 0 &&
- (s8) dev->dev->bus_sprom->itssi_bg != -1) {
- gphy->tgt_idle_tssi =
- (s8) (dev->dev->bus_sprom->itssi_bg);
- } else
- gphy->tgt_idle_tssi = 62;
- gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
- pab1, pab2);
- if (!gphy->tssi2dbm)
- return -ENOMEM;
- gphy->dyn_tssi_tbl = true;
- } else {
- /* pabX values not set in SPROM. */
- gphy->tgt_idle_tssi = 52;
- gphy->tssi2dbm = b43_tssi2dbm_g_table;
- }
- return 0;
- }
- static int b43_gphy_op_allocate(struct b43_wldev *dev)
- {
- struct b43_phy_g *gphy;
- struct b43_txpower_lo_control *lo;
- int err;
- gphy = kzalloc(sizeof(*gphy), GFP_KERNEL);
- if (!gphy) {
- err = -ENOMEM;
- goto error;
- }
- dev->phy.g = gphy;
- lo = kzalloc(sizeof(*lo), GFP_KERNEL);
- if (!lo) {
- err = -ENOMEM;
- goto err_free_gphy;
- }
- gphy->lo_control = lo;
- err = b43_gphy_init_tssi2dbm_table(dev);
- if (err)
- goto err_free_lo;
- return 0;
- err_free_lo:
- kfree(lo);
- err_free_gphy:
- kfree(gphy);
- error:
- return err;
- }
- static void b43_gphy_op_prepare_structs(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- const void *tssi2dbm;
- int tgt_idle_tssi;
- struct b43_txpower_lo_control *lo;
- unsigned int i;
- /* tssi2dbm table is constant, so it is initialized at alloc time.
- * Save a copy of the pointer. */
- tssi2dbm = gphy->tssi2dbm;
- tgt_idle_tssi = gphy->tgt_idle_tssi;
- /* Save the LO pointer. */
- lo = gphy->lo_control;
- /* Zero out the whole PHY structure. */
- memset(gphy, 0, sizeof(*gphy));
- /* Restore pointers. */
- gphy->tssi2dbm = tssi2dbm;
- gphy->tgt_idle_tssi = tgt_idle_tssi;
- gphy->lo_control = lo;
- memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig));
- /* NRSSI */
- for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++)
- gphy->nrssi[i] = -1000;
- for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++)
- gphy->nrssi_lt[i] = i;
- gphy->lofcal = 0xFFFF;
- gphy->initval = 0xFFFF;
- gphy->interfmode = B43_INTERFMODE_NONE;
- /* OFDM-table address caching. */
- gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
- gphy->average_tssi = 0xFF;
- /* Local Osciallator structure */
- lo->tx_bias = 0xFF;
- INIT_LIST_HEAD(&lo->calib_list);
- }
- static void b43_gphy_op_free(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- kfree(gphy->lo_control);
- if (gphy->dyn_tssi_tbl)
- kfree(gphy->tssi2dbm);
- gphy->dyn_tssi_tbl = false;
- gphy->tssi2dbm = NULL;
- kfree(gphy);
- dev->phy.g = NULL;
- }
- static int b43_gphy_op_prepare_hardware(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- struct b43_txpower_lo_control *lo = gphy->lo_control;
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- default_baseband_attenuation(dev, &gphy->bbatt);
- default_radio_attenuation(dev, &gphy->rfatt);
- gphy->tx_control = (default_tx_control(dev) << 4);
- generate_rfatt_list(dev, &lo->rfatt_list);
- generate_bbatt_list(dev, &lo->bbatt_list);
- /* Commit previous writes */
- b43_read32(dev, B43_MMIO_MACCTL);
- if (phy->rev == 1) {
- /* Workaround: Temporarly disable gmode through the early init
- * phase, as the gmode stuff is not needed for phy rev 1 */
- phy->gmode = false;
- b43_wireless_core_reset(dev, 0);
- b43_phy_initg(dev);
- phy->gmode = true;
- b43_wireless_core_reset(dev, 1);
- }
- return 0;
- }
- static int b43_gphy_op_init(struct b43_wldev *dev)
- {
- b43_phy_initg(dev);
- return 0;
- }
- static void b43_gphy_op_exit(struct b43_wldev *dev)
- {
- b43_lo_g_cleanup(dev);
- }
- static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg)
- {
- b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
- return b43_read16(dev, B43_MMIO_PHY_DATA);
- }
- static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
- {
- b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
- b43_write16(dev, B43_MMIO_PHY_DATA, value);
- }
- static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg)
- {
- /* Register 1 is a 32-bit register. */
- B43_WARN_ON(reg == 1);
- /* G-PHY needs 0x80 for read access. */
- reg |= 0x80;
- b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
- return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
- }
- static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
- {
- /* Register 1 is a 32-bit register. */
- B43_WARN_ON(reg == 1);
- b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
- b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
- }
- static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev)
- {
- return (dev->phy.rev >= 6);
- }
- static void b43_gphy_op_software_rfkill(struct b43_wldev *dev,
- bool blocked)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- unsigned int channel;
- might_sleep();
- if (!blocked) {
- /* Turn radio ON */
- if (phy->radio_on)
- return;
- b43_phy_write(dev, 0x0015, 0x8000);
- b43_phy_write(dev, 0x0015, 0xCC00);
- b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000));
- if (gphy->radio_off_context.valid) {
- /* Restore the RFover values. */
- b43_phy_write(dev, B43_PHY_RFOVER,
- gphy->radio_off_context.rfover);
- b43_phy_write(dev, B43_PHY_RFOVERVAL,
- gphy->radio_off_context.rfoverval);
- gphy->radio_off_context.valid = false;
- }
- channel = phy->channel;
- b43_gphy_channel_switch(dev, 6, 1);
- b43_gphy_channel_switch(dev, channel, 0);
- } else {
- /* Turn radio OFF */
- u16 rfover, rfoverval;
- rfover = b43_phy_read(dev, B43_PHY_RFOVER);
- rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
- gphy->radio_off_context.rfover = rfover;
- gphy->radio_off_context.rfoverval = rfoverval;
- gphy->radio_off_context.valid = true;
- b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
- b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
- }
- }
- static int b43_gphy_op_switch_channel(struct b43_wldev *dev,
- unsigned int new_channel)
- {
- if ((new_channel < 1) || (new_channel > 14))
- return -EINVAL;
- b43_gphy_channel_switch(dev, new_channel, 0);
- return 0;
- }
- static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev)
- {
- return 1; /* Default to channel 1 */
- }
- static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
- {
- struct b43_phy *phy = &dev->phy;
- u16 tmp;
- int autodiv = 0;
- if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
- autodiv = 1;
- b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
- b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
- (autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
- B43_PHY_BBANDCFG_RXANT_SHIFT);
- if (autodiv) {
- tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
- if (antenna == B43_ANTENNA_AUTO1)
- tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
- else
- tmp |= B43_PHY_ANTDWELL_AUTODIV1;
- b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
- }
- tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
- if (autodiv)
- tmp |= B43_PHY_ANTWRSETT_ARXDIV;
- else
- tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
- b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
- if (autodiv)
- b43_phy_set(dev, B43_PHY_ANTWRSETT, B43_PHY_ANTWRSETT_ARXDIV);
- else {
- b43_phy_mask(dev, B43_PHY_ANTWRSETT,
- B43_PHY_ANTWRSETT_ARXDIV);
- }
- if (phy->rev >= 2) {
- b43_phy_set(dev, B43_PHY_OFDM61, B43_PHY_OFDM61_10);
- b43_phy_maskset(dev, B43_PHY_DIVSRCHGAINBACK, 0xFF00, 0x15);
- if (phy->rev == 2)
- b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
- else
- b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
- }
- if (phy->rev >= 6)
- b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
- }
- static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev,
- enum b43_interference_mitigation mode)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- int currentmode;
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- if ((phy->rev == 0) || (!phy->gmode))
- return -ENODEV;
- gphy->aci_wlan_automatic = false;
- switch (mode) {
- case B43_INTERFMODE_AUTOWLAN:
- gphy->aci_wlan_automatic = true;
- if (gphy->aci_enable)
- mode = B43_INTERFMODE_MANUALWLAN;
- else
- mode = B43_INTERFMODE_NONE;
- break;
- case B43_INTERFMODE_NONE:
- case B43_INTERFMODE_NONWLAN:
- case B43_INTERFMODE_MANUALWLAN:
- break;
- default:
- return -EINVAL;
- }
- currentmode = gphy->interfmode;
- if (currentmode == mode)
- return 0;
- if (currentmode != B43_INTERFMODE_NONE)
- b43_radio_interference_mitigation_disable(dev, currentmode);
- if (mode == B43_INTERFMODE_NONE) {
- gphy->aci_enable = false;
- gphy->aci_hw_rssi = false;
- } else
- b43_radio_interference_mitigation_enable(dev, mode);
- gphy->interfmode = mode;
- return 0;
- }
- /* http://bcm-specs.sipsolutions.net/EstimatePowerOut
- * This function converts a TSSI value to dBm in Q5.2
- */
- static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
- {
- struct b43_phy_g *gphy = dev->phy.g;
- s8 dbm;
- s32 tmp;
- tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi);
- tmp = clamp_val(tmp, 0x00, 0x3F);
- dbm = gphy->tssi2dbm[tmp];
- return dbm;
- }
- static void b43_put_attenuation_into_ranges(struct b43_wldev *dev,
- int *_bbatt, int *_rfatt)
- {
- int rfatt = *_rfatt;
- int bbatt = *_bbatt;
- struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;
- /* Get baseband and radio attenuation values into their permitted ranges.
- * Radio attenuation affects power level 4 times as much as baseband. */
- /* Range constants */
- const int rf_min = lo->rfatt_list.min_val;
- const int rf_max = lo->rfatt_list.max_val;
- const int bb_min = lo->bbatt_list.min_val;
- const int bb_max = lo->bbatt_list.max_val;
- while (1) {
- if (rfatt > rf_max && bbatt > bb_max - 4)
- break; /* Can not get it into ranges */
- if (rfatt < rf_min && bbatt < bb_min + 4)
- break; /* Can not get it into ranges */
- if (bbatt > bb_max && rfatt > rf_max - 1)
- break; /* Can not get it into ranges */
- if (bbatt < bb_min && rfatt < rf_min + 1)
- break; /* Can not get it into ranges */
- if (bbatt > bb_max) {
- bbatt -= 4;
- rfatt += 1;
- continue;
- }
- if (bbatt < bb_min) {
- bbatt += 4;
- rfatt -= 1;
- continue;
- }
- if (rfatt > rf_max) {
- rfatt -= 1;
- bbatt += 4;
- continue;
- }
- if (rfatt < rf_min) {
- rfatt += 1;
- bbatt -= 4;
- continue;
- }
- break;
- }
- *_rfatt = clamp_val(rfatt, rf_min, rf_max);
- *_bbatt = clamp_val(bbatt, bb_min, bb_max);
- }
- static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- int rfatt, bbatt;
- u8 tx_control;
- b43_mac_suspend(dev);
- /* Calculate the new attenuation values. */
- bbatt = gphy->bbatt.att;
- bbatt += gphy->bbatt_delta;
- rfatt = gphy->rfatt.att;
- rfatt += gphy->rfatt_delta;
- b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
- tx_control = gphy->tx_control;
- if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
- if (rfatt <= 1) {
- if (tx_control == 0) {
- tx_control =
- B43_TXCTL_PA2DB |
- B43_TXCTL_TXMIX;
- rfatt += 2;
- bbatt += 2;
- } else if (dev->dev->bus_sprom->
- boardflags_lo &
- B43_BFL_PACTRL) {
- bbatt += 4 * (rfatt - 2);
- rfatt = 2;
- }
- } else if (rfatt > 4 && tx_control) {
- tx_control = 0;
- if (bbatt < 3) {
- rfatt -= 3;
- bbatt += 2;
- } else {
- rfatt -= 2;
- bbatt -= 2;
- }
- }
- }
- /* Save the control values */
- gphy->tx_control = tx_control;
- b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
- gphy->rfatt.att = rfatt;
- gphy->bbatt.att = bbatt;
- if (b43_debug(dev, B43_DBG_XMITPOWER))
- b43dbg(dev->wl, "Adjusting TX power\n");
- /* Adjust the hardware */
- b43_phy_lock(dev);
- b43_radio_lock(dev);
- b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt,
- gphy->tx_control);
- b43_radio_unlock(dev);
- b43_phy_unlock(dev);
- b43_mac_enable(dev);
- }
- static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev,
- bool ignore_tssi)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- unsigned int average_tssi;
- int cck_result, ofdm_result;
- int estimated_pwr, desired_pwr, pwr_adjust;
- int rfatt_delta, bbatt_delta;
- unsigned int max_pwr;
- /* First get the average TSSI */
- cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK);
- ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G);
- if ((cck_result < 0) && (ofdm_result < 0)) {
- /* No TSSI information available */
- if (!ignore_tssi)
- goto no_adjustment_needed;
- cck_result = 0;
- ofdm_result = 0;
- }
- if (cck_result < 0)
- average_tssi = ofdm_result;
- else if (ofdm_result < 0)
- average_tssi = cck_result;
- else
- average_tssi = (cck_result + ofdm_result) / 2;
- /* Merge the average with the stored value. */
- if (likely(gphy->average_tssi != 0xFF))
- average_tssi = (average_tssi + gphy->average_tssi) / 2;
- gphy->average_tssi = average_tssi;
- B43_WARN_ON(average_tssi >= B43_TSSI_MAX);
- /* Estimate the TX power emission based on the TSSI */
- estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi);
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- max_pwr = dev->dev->bus_sprom->maxpwr_bg;
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
- max_pwr -= 3; /* minus 0.75 */
- if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) {
- b43warn(dev->wl,
- "Invalid max-TX-power value in SPROM.\n");
- max_pwr = INT_TO_Q52(20); /* fake it */
- dev->dev->bus_sprom->maxpwr_bg = max_pwr;
- }
- /* Get desired power (in Q5.2) */
- if (phy->desired_txpower < 0)
- desired_pwr = INT_TO_Q52(0);
- else
- desired_pwr = INT_TO_Q52(phy->desired_txpower);
- /* And limit it. max_pwr already is Q5.2 */
- desired_pwr = clamp_val(desired_pwr, 0, max_pwr);
- if (b43_debug(dev, B43_DBG_XMITPOWER)) {
- b43dbg(dev->wl,
- "[TX power] current = " Q52_FMT
- " dBm, desired = " Q52_FMT
- " dBm, max = " Q52_FMT "\n",
- Q52_ARG(estimated_pwr),
- Q52_ARG(desired_pwr),
- Q52_ARG(max_pwr));
- }
- /* Calculate the adjustment delta. */
- pwr_adjust = desired_pwr - estimated_pwr;
- if (pwr_adjust == 0)
- goto no_adjustment_needed;
- /* RF attenuation delta. */
- rfatt_delta = ((pwr_adjust + 7) / 8);
- /* Lower attenuation => Bigger power output. Negate it. */
- rfatt_delta = -rfatt_delta;
- /* Baseband attenuation delta. */
- bbatt_delta = pwr_adjust / 2;
- /* Lower attenuation => Bigger power output. Negate it. */
- bbatt_delta = -bbatt_delta;
- /* RF att affects power level 4 times as much as
- * Baseband attennuation. Subtract it. */
- bbatt_delta -= 4 * rfatt_delta;
- #if B43_DEBUG
- if (b43_debug(dev, B43_DBG_XMITPOWER)) {
- int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust;
- b43dbg(dev->wl,
- "[TX power deltas] %s" Q52_FMT " dBm => "
- "bbatt-delta = %d, rfatt-delta = %d\n",
- (pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm),
- bbatt_delta, rfatt_delta);
- }
- #endif /* DEBUG */
- /* So do we finally need to adjust something in hardware? */
- if ((rfatt_delta == 0) && (bbatt_delta == 0))
- goto no_adjustment_needed;
- /* Save the deltas for later when we adjust the power. */
- gphy->bbatt_delta = bbatt_delta;
- gphy->rfatt_delta = rfatt_delta;
- /* We need to adjust the TX power on the device. */
- return B43_TXPWR_RES_NEED_ADJUST;
- no_adjustment_needed:
- return B43_TXPWR_RES_DONE;
- }
- static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- struct b43_phy_g *gphy = phy->g;
- b43_mac_suspend(dev);
- //TODO: update_aci_moving_average
- if (gphy->aci_enable && gphy->aci_wlan_automatic) {
- if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) {
- if (0 /*TODO: bunch of conditions */ ) {
- phy->ops->interf_mitigation(dev,
- B43_INTERFMODE_MANUALWLAN);
- }
- } else if (0 /*TODO*/) {
- if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev))
- phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
- }
- } else if (gphy->interfmode == B43_INTERFMODE_NONWLAN &&
- phy->rev == 1) {
- //TODO: implement rev1 workaround
- }
- b43_lo_g_maintenance_work(dev);
- b43_mac_enable(dev);
- }
- static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev)
- {
- struct b43_phy *phy = &dev->phy;
- if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI))
- return;
- b43_mac_suspend(dev);
- b43_calc_nrssi_slope(dev);
- if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
- u8 old_chan = phy->channel;
- /* VCO Calibration */
- if (old_chan >= 8)
- b43_switch_channel(dev, 1);
- else
- b43_switch_channel(dev, 13);
- b43_switch_channel(dev, old_chan);
- }
- b43_mac_enable(dev);
- }
- const struct b43_phy_operations b43_phyops_g = {
- .allocate = b43_gphy_op_allocate,
- .free = b43_gphy_op_free,
- .prepare_structs = b43_gphy_op_prepare_structs,
- .prepare_hardware = b43_gphy_op_prepare_hardware,
- .init = b43_gphy_op_init,
- .exit = b43_gphy_op_exit,
- .phy_read = b43_gphy_op_read,
- .phy_write = b43_gphy_op_write,
- .radio_read = b43_gphy_op_radio_read,
- .radio_write = b43_gphy_op_radio_write,
- .supports_hwpctl = b43_gphy_op_supports_hwpctl,
- .software_rfkill = b43_gphy_op_software_rfkill,
- .switch_analog = b43_phyop_switch_analog_generic,
- .switch_channel = b43_gphy_op_switch_channel,
- .get_default_chan = b43_gphy_op_get_default_chan,
- .set_rx_antenna = b43_gphy_op_set_rx_antenna,
- .interf_mitigation = b43_gphy_op_interf_mitigation,
- .recalc_txpower = b43_gphy_op_recalc_txpower,
- .adjust_txpower = b43_gphy_op_adjust_txpower,
- .pwork_15sec = b43_gphy_op_pwork_15sec,
- .pwork_60sec = b43_gphy_op_pwork_60sec,
- };
|