123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086408740884089409040914092409340944095409640974098409941004101410241034104410541064107410841094110411141124113411441154116411741184119412041214122412341244125412641274128412941304131413241334134413541364137413841394140414141424143414441454146414741484149415041514152415341544155415641574158415941604161416241634164416541664167416841694170417141724173417441754176417741784179418041814182418341844185418641874188418941904191419241934194419541964197419841994200420142024203420442054206420742084209421042114212421342144215421642174218421942204221422242234224422542264227422842294230423142324233423442354236423742384239424042414242424342444245424642474248424942504251425242534254425542564257425842594260426142624263426442654266426742684269427042714272427342744275427642774278427942804281428242834284428542864287428842894290429142924293429442954296429742984299430043014302430343044305430643074308430943104311431243134314431543164317431843194320432143224323432443254326432743284329433043314332433343344335433643374338433943404341434243434344434543464347434843494350435143524353435443554356435743584359436043614362436343644365436643674368436943704371437243734374437543764377437843794380438143824383438443854386438743884389439043914392439343944395439643974398439944004401440244034404440544064407440844094410441144124413441444154416441744184419442044214422442344244425442644274428442944304431443244334434443544364437443844394440444144424443444444454446444744484449445044514452445344544455445644574458445944604461446244634464446544664467446844694470447144724473447444754476447744784479448044814482448344844485448644874488448944904491449244934494449544964497449844994500450145024503450445054506450745084509451045114512451345144515451645174518451945204521452245234524452545264527452845294530453145324533453445354536453745384539454045414542454345444545454645474548454945504551455245534554455545564557455845594560456145624563456445654566456745684569457045714572457345744575457645774578457945804581458245834584458545864587458845894590459145924593459445954596459745984599460046014602460346044605460646074608460946104611461246134614461546164617461846194620462146224623462446254626462746284629463046314632463346344635463646374638463946404641464246434644464546464647464846494650465146524653465446554656465746584659466046614662466346644665466646674668466946704671467246734674467546764677467846794680468146824683468446854686468746884689469046914692469346944695469646974698469947004701470247034704470547064707470847094710471147124713471447154716471747184719472047214722472347244725472647274728472947304731473247334734473547364737473847394740474147424743474447454746474747484749475047514752475347544755475647574758475947604761476247634764476547664767476847694770477147724773477447754776477747784779478047814782478347844785478647874788478947904791479247934794479547964797479847994800480148024803480448054806480748084809481048114812481348144815481648174818481948204821482248234824482548264827482848294830483148324833483448354836483748384839484048414842484348444845484648474848484948504851485248534854485548564857485848594860486148624863486448654866486748684869487048714872487348744875487648774878487948804881488248834884488548864887488848894890489148924893489448954896489748984899490049014902490349044905490649074908490949104911491249134914491549164917491849194920492149224923492449254926492749284929493049314932493349344935493649374938493949404941494249434944494549464947494849494950495149524953495449554956495749584959496049614962496349644965496649674968496949704971497249734974497549764977497849794980498149824983498449854986498749884989499049914992499349944995499649974998499950005001500250035004500550065007500850095010501150125013501450155016501750185019502050215022502350245025502650275028502950305031503250335034503550365037503850395040504150425043504450455046504750485049505050515052505350545055505650575058505950605061506250635064506550665067506850695070507150725073507450755076507750785079508050815082508350845085508650875088508950905091509250935094509550965097509850995100510151025103510451055106510751085109511051115112511351145115511651175118511951205121512251235124512551265127512851295130513151325133513451355136513751385139514051415142514351445145514651475148514951505151515251535154515551565157515851595160516151625163516451655166516751685169517051715172517351745175517651775178517951805181518251835184518551865187518851895190519151925193519451955196519751985199520052015202520352045205520652075208520952105211521252135214521552165217521852195220522152225223522452255226522752285229523052315232523352345235523652375238523952405241524252435244524552465247524852495250525152525253525452555256525752585259526052615262526352645265526652675268526952705271527252735274527552765277527852795280528152825283528452855286528752885289529052915292529352945295529652975298529953005301530253035304530553065307530853095310531153125313531453155316531753185319532053215322532353245325532653275328532953305331533253335334533553365337533853395340534153425343534453455346534753485349535053515352535353545355535653575358535953605361536253635364536553665367536853695370537153725373537453755376537753785379538053815382538353845385538653875388538953905391539253935394539553965397539853995400540154025403540454055406540754085409541054115412541354145415541654175418541954205421542254235424542554265427542854295430543154325433543454355436543754385439544054415442544354445445544654475448544954505451545254535454545554565457545854595460546154625463546454655466546754685469547054715472547354745475547654775478547954805481548254835484548554865487548854895490549154925493549454955496549754985499550055015502550355045505550655075508550955105511551255135514551555165517551855195520552155225523552455255526552755285529553055315532553355345535553655375538553955405541554255435544554555465547554855495550555155525553555455555556555755585559556055615562556355645565556655675568556955705571557255735574557555765577557855795580558155825583558455855586558755885589559055915592559355945595559655975598 |
- From 9e56ff53b4115875667760445b028357848b4748 Mon Sep 17 00:00:00 2001
- From: Christian Marangi <[email protected]>
- Date: Mon, 29 Jan 2024 15:15:19 +0100
- Subject: [PATCH 1/5] net: phy: move at803x PHY driver to dedicated directory
- In preparation for addition of other Qcom PHY and to tidy things up,
- move the at803x PHY driver to dedicated directory.
- The same order in the Kconfig selection is saved.
- Signed-off-by: Christian Marangi <[email protected]>
- Reviewed-by: Andrew Lunn <[email protected]>
- Link: https://lore.kernel.org/r/[email protected]
- Signed-off-by: Jakub Kicinski <[email protected]>
- ---
- drivers/net/phy/Kconfig | 7 +------
- drivers/net/phy/Makefile | 2 +-
- drivers/net/phy/qcom/Kconfig | 7 +++++++
- drivers/net/phy/qcom/Makefile | 2 ++
- drivers/net/phy/{ => qcom}/at803x.c | 0
- 5 files changed, 11 insertions(+), 7 deletions(-)
- create mode 100644 drivers/net/phy/qcom/Kconfig
- create mode 100644 drivers/net/phy/qcom/Makefile
- rename drivers/net/phy/{ => qcom}/at803x.c (100%)
- --- a/drivers/net/phy/Kconfig
- +++ b/drivers/net/phy/Kconfig
- @@ -318,12 +318,7 @@ config NCN26000_PHY
- Currently supports the NCN26000 10BASE-T1S Industrial PHY
- with MII interface.
-
- -config AT803X_PHY
- - tristate "Qualcomm Atheros AR803X PHYs and QCA833x PHYs"
- - depends on REGULATOR
- - help
- - Currently supports the AR8030, AR8031, AR8033, AR8035 and internal
- - QCA8337(Internal qca8k PHY) model
- +source "drivers/net/phy/qcom/Kconfig"
-
- config QSEMI_PHY
- tristate "Quality Semiconductor PHYs"
- --- a/drivers/net/phy/Makefile
- +++ b/drivers/net/phy/Makefile
- @@ -36,7 +36,6 @@ obj-$(CONFIG_ADIN_PHY) += adin.o
- obj-$(CONFIG_ADIN1100_PHY) += adin1100.o
- obj-$(CONFIG_AMD_PHY) += amd.o
- obj-$(CONFIG_AQUANTIA_PHY) += aquantia/
- -obj-$(CONFIG_AT803X_PHY) += at803x.o
- obj-$(CONFIG_AX88796B_PHY) += ax88796b.o
- obj-$(CONFIG_BCM54140_PHY) += bcm54140.o
- obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
- @@ -82,6 +81,7 @@ obj-$(CONFIG_NCN26000_PHY) += ncn26000.o
- obj-$(CONFIG_NXP_C45_TJA11XX_PHY) += nxp-c45-tja11xx.o
- obj-$(CONFIG_NXP_CBTX_PHY) += nxp-cbtx.o
- obj-$(CONFIG_NXP_TJA11XX_PHY) += nxp-tja11xx.o
- +obj-y += qcom/
- obj-$(CONFIG_QSEMI_PHY) += qsemi.o
- obj-$(CONFIG_REALTEK_PHY) += realtek.o
- obj-$(CONFIG_RENESAS_PHY) += uPD60620.o
- --- /dev/null
- +++ b/drivers/net/phy/qcom/Kconfig
- @@ -0,0 +1,7 @@
- +# SPDX-License-Identifier: GPL-2.0-only
- +config AT803X_PHY
- + tristate "Qualcomm Atheros AR803X PHYs and QCA833x PHYs"
- + depends on REGULATOR
- + help
- + Currently supports the AR8030, AR8031, AR8033, AR8035 and internal
- + QCA8337(Internal qca8k PHY) model
- --- /dev/null
- +++ b/drivers/net/phy/qcom/Makefile
- @@ -0,0 +1,2 @@
- +# SPDX-License-Identifier: GPL-2.0
- +obj-$(CONFIG_AT803X_PHY) += at803x.o
- --- a/drivers/net/phy/at803x.c
- +++ /dev/null
- @@ -1,2759 +0,0 @@
- -// SPDX-License-Identifier: GPL-2.0+
- -/*
- - * drivers/net/phy/at803x.c
- - *
- - * Driver for Qualcomm Atheros AR803x PHY
- - *
- - * Author: Matus Ujhelyi <[email protected]>
- - */
- -
- -#include <linux/phy.h>
- -#include <linux/module.h>
- -#include <linux/string.h>
- -#include <linux/netdevice.h>
- -#include <linux/etherdevice.h>
- -#include <linux/ethtool_netlink.h>
- -#include <linux/bitfield.h>
- -#include <linux/regulator/of_regulator.h>
- -#include <linux/regulator/driver.h>
- -#include <linux/regulator/consumer.h>
- -#include <linux/of.h>
- -#include <linux/phylink.h>
- -#include <linux/sfp.h>
- -#include <dt-bindings/net/qca-ar803x.h>
- -
- -#define AT803X_SPECIFIC_FUNCTION_CONTROL 0x10
- -#define AT803X_SFC_ASSERT_CRS BIT(11)
- -#define AT803X_SFC_FORCE_LINK BIT(10)
- -#define AT803X_SFC_MDI_CROSSOVER_MODE_M GENMASK(6, 5)
- -#define AT803X_SFC_AUTOMATIC_CROSSOVER 0x3
- -#define AT803X_SFC_MANUAL_MDIX 0x1
- -#define AT803X_SFC_MANUAL_MDI 0x0
- -#define AT803X_SFC_SQE_TEST BIT(2)
- -#define AT803X_SFC_POLARITY_REVERSAL BIT(1)
- -#define AT803X_SFC_DISABLE_JABBER BIT(0)
- -
- -#define AT803X_SPECIFIC_STATUS 0x11
- -#define AT803X_SS_SPEED_MASK GENMASK(15, 14)
- -#define AT803X_SS_SPEED_1000 2
- -#define AT803X_SS_SPEED_100 1
- -#define AT803X_SS_SPEED_10 0
- -#define AT803X_SS_DUPLEX BIT(13)
- -#define AT803X_SS_SPEED_DUPLEX_RESOLVED BIT(11)
- -#define AT803X_SS_MDIX BIT(6)
- -
- -#define QCA808X_SS_SPEED_MASK GENMASK(9, 7)
- -#define QCA808X_SS_SPEED_2500 4
- -
- -#define AT803X_INTR_ENABLE 0x12
- -#define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15)
- -#define AT803X_INTR_ENABLE_SPEED_CHANGED BIT(14)
- -#define AT803X_INTR_ENABLE_DUPLEX_CHANGED BIT(13)
- -#define AT803X_INTR_ENABLE_PAGE_RECEIVED BIT(12)
- -#define AT803X_INTR_ENABLE_LINK_FAIL BIT(11)
- -#define AT803X_INTR_ENABLE_LINK_SUCCESS BIT(10)
- -#define AT803X_INTR_ENABLE_LINK_FAIL_BX BIT(8)
- -#define AT803X_INTR_ENABLE_LINK_SUCCESS_BX BIT(7)
- -#define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE BIT(5)
- -#define AT803X_INTR_ENABLE_POLARITY_CHANGED BIT(1)
- -#define AT803X_INTR_ENABLE_WOL BIT(0)
- -
- -#define AT803X_INTR_STATUS 0x13
- -
- -#define AT803X_SMART_SPEED 0x14
- -#define AT803X_SMART_SPEED_ENABLE BIT(5)
- -#define AT803X_SMART_SPEED_RETRY_LIMIT_MASK GENMASK(4, 2)
- -#define AT803X_SMART_SPEED_BYPASS_TIMER BIT(1)
- -#define AT803X_CDT 0x16
- -#define AT803X_CDT_MDI_PAIR_MASK GENMASK(9, 8)
- -#define AT803X_CDT_ENABLE_TEST BIT(0)
- -#define AT803X_CDT_STATUS 0x1c
- -#define AT803X_CDT_STATUS_STAT_NORMAL 0
- -#define AT803X_CDT_STATUS_STAT_SHORT 1
- -#define AT803X_CDT_STATUS_STAT_OPEN 2
- -#define AT803X_CDT_STATUS_STAT_FAIL 3
- -#define AT803X_CDT_STATUS_STAT_MASK GENMASK(9, 8)
- -#define AT803X_CDT_STATUS_DELTA_TIME_MASK GENMASK(7, 0)
- -#define AT803X_LED_CONTROL 0x18
- -
- -#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
- -#define AT803X_WOL_EN BIT(5)
- -#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C
- -#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
- -#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
- -#define AT803X_REG_CHIP_CONFIG 0x1f
- -#define AT803X_BT_BX_REG_SEL 0x8000
- -
- -#define AT803X_DEBUG_ADDR 0x1D
- -#define AT803X_DEBUG_DATA 0x1E
- -
- -#define AT803X_MODE_CFG_MASK 0x0F
- -#define AT803X_MODE_CFG_BASET_RGMII 0x00
- -#define AT803X_MODE_CFG_BASET_SGMII 0x01
- -#define AT803X_MODE_CFG_BX1000_RGMII_50OHM 0x02
- -#define AT803X_MODE_CFG_BX1000_RGMII_75OHM 0x03
- -#define AT803X_MODE_CFG_BX1000_CONV_50OHM 0x04
- -#define AT803X_MODE_CFG_BX1000_CONV_75OHM 0x05
- -#define AT803X_MODE_CFG_FX100_RGMII_50OHM 0x06
- -#define AT803X_MODE_CFG_FX100_CONV_50OHM 0x07
- -#define AT803X_MODE_CFG_RGMII_AUTO_MDET 0x0B
- -#define AT803X_MODE_CFG_FX100_RGMII_75OHM 0x0E
- -#define AT803X_MODE_CFG_FX100_CONV_75OHM 0x0F
- -
- -#define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/
- -#define AT803X_PSSR_MR_AN_COMPLETE 0x0200
- -
- -#define AT803X_DEBUG_ANALOG_TEST_CTRL 0x00
- -#define QCA8327_DEBUG_MANU_CTRL_EN BIT(2)
- -#define QCA8337_DEBUG_MANU_CTRL_EN GENMASK(3, 2)
- -#define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15)
- -
- -#define AT803X_DEBUG_SYSTEM_CTRL_MODE 0x05
- -#define AT803X_DEBUG_TX_CLK_DLY_EN BIT(8)
- -
- -#define AT803X_DEBUG_REG_HIB_CTRL 0x0b
- -#define AT803X_DEBUG_HIB_CTRL_SEL_RST_80U BIT(10)
- -#define AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE BIT(13)
- -#define AT803X_DEBUG_HIB_CTRL_PS_HIB_EN BIT(15)
- -
- -#define AT803X_DEBUG_REG_3C 0x3C
- -
- -#define AT803X_DEBUG_REG_GREEN 0x3D
- -#define AT803X_DEBUG_GATE_CLK_IN1000 BIT(6)
- -
- -#define AT803X_DEBUG_REG_1F 0x1F
- -#define AT803X_DEBUG_PLL_ON BIT(2)
- -#define AT803X_DEBUG_RGMII_1V8 BIT(3)
- -
- -#define MDIO_AZ_DEBUG 0x800D
- -
- -/* AT803x supports either the XTAL input pad, an internal PLL or the
- - * DSP as clock reference for the clock output pad. The XTAL reference
- - * is only used for 25 MHz output, all other frequencies need the PLL.
- - * The DSP as a clock reference is used in synchronous ethernet
- - * applications.
- - *
- - * By default the PLL is only enabled if there is a link. Otherwise
- - * the PHY will go into low power state and disabled the PLL. You can
- - * set the PLL_ON bit (see debug register 0x1f) to keep the PLL always
- - * enabled.
- - */
- -#define AT803X_MMD7_CLK25M 0x8016
- -#define AT803X_CLK_OUT_MASK GENMASK(4, 2)
- -#define AT803X_CLK_OUT_25MHZ_XTAL 0
- -#define AT803X_CLK_OUT_25MHZ_DSP 1
- -#define AT803X_CLK_OUT_50MHZ_PLL 2
- -#define AT803X_CLK_OUT_50MHZ_DSP 3
- -#define AT803X_CLK_OUT_62_5MHZ_PLL 4
- -#define AT803X_CLK_OUT_62_5MHZ_DSP 5
- -#define AT803X_CLK_OUT_125MHZ_PLL 6
- -#define AT803X_CLK_OUT_125MHZ_DSP 7
- -
- -/* The AR8035 has another mask which is compatible with the AR8031/AR8033 mask
- - * but doesn't support choosing between XTAL/PLL and DSP.
- - */
- -#define AT8035_CLK_OUT_MASK GENMASK(4, 3)
- -
- -#define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7)
- -#define AT803X_CLK_OUT_STRENGTH_FULL 0
- -#define AT803X_CLK_OUT_STRENGTH_HALF 1
- -#define AT803X_CLK_OUT_STRENGTH_QUARTER 2
- -
- -#define AT803X_DEFAULT_DOWNSHIFT 5
- -#define AT803X_MIN_DOWNSHIFT 2
- -#define AT803X_MAX_DOWNSHIFT 9
- -
- -#define AT803X_MMD3_SMARTEEE_CTL1 0x805b
- -#define AT803X_MMD3_SMARTEEE_CTL2 0x805c
- -#define AT803X_MMD3_SMARTEEE_CTL3 0x805d
- -#define AT803X_MMD3_SMARTEEE_CTL3_LPI_EN BIT(8)
- -
- -#define ATH9331_PHY_ID 0x004dd041
- -#define ATH8030_PHY_ID 0x004dd076
- -#define ATH8031_PHY_ID 0x004dd074
- -#define ATH8032_PHY_ID 0x004dd023
- -#define ATH8035_PHY_ID 0x004dd072
- -#define AT8030_PHY_ID_MASK 0xffffffef
- -
- -#define QCA8081_PHY_ID 0x004dd101
- -
- -#define QCA8327_A_PHY_ID 0x004dd033
- -#define QCA8327_B_PHY_ID 0x004dd034
- -#define QCA8337_PHY_ID 0x004dd036
- -#define QCA9561_PHY_ID 0x004dd042
- -#define QCA8K_PHY_ID_MASK 0xffffffff
- -
- -#define QCA8K_DEVFLAGS_REVISION_MASK GENMASK(2, 0)
- -
- -#define AT803X_PAGE_FIBER 0
- -#define AT803X_PAGE_COPPER 1
- -
- -/* don't turn off internal PLL */
- -#define AT803X_KEEP_PLL_ENABLED BIT(0)
- -#define AT803X_DISABLE_SMARTEEE BIT(1)
- -
- -/* disable hibernation mode */
- -#define AT803X_DISABLE_HIBERNATION_MODE BIT(2)
- -
- -/* ADC threshold */
- -#define QCA808X_PHY_DEBUG_ADC_THRESHOLD 0x2c80
- -#define QCA808X_ADC_THRESHOLD_MASK GENMASK(7, 0)
- -#define QCA808X_ADC_THRESHOLD_80MV 0
- -#define QCA808X_ADC_THRESHOLD_100MV 0xf0
- -#define QCA808X_ADC_THRESHOLD_200MV 0x0f
- -#define QCA808X_ADC_THRESHOLD_300MV 0xff
- -
- -/* CLD control */
- -#define QCA808X_PHY_MMD3_ADDR_CLD_CTRL7 0x8007
- -#define QCA808X_8023AZ_AFE_CTRL_MASK GENMASK(8, 4)
- -#define QCA808X_8023AZ_AFE_EN 0x90
- -
- -/* AZ control */
- -#define QCA808X_PHY_MMD3_AZ_TRAINING_CTRL 0x8008
- -#define QCA808X_MMD3_AZ_TRAINING_VAL 0x1c32
- -
- -#define QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB 0x8014
- -#define QCA808X_MSE_THRESHOLD_20DB_VALUE 0x529
- -
- -#define QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB 0x800E
- -#define QCA808X_MSE_THRESHOLD_17DB_VALUE 0x341
- -
- -#define QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB 0x801E
- -#define QCA808X_MSE_THRESHOLD_27DB_VALUE 0x419
- -
- -#define QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB 0x8020
- -#define QCA808X_MSE_THRESHOLD_28DB_VALUE 0x341
- -
- -#define QCA808X_PHY_MMD7_TOP_OPTION1 0x901c
- -#define QCA808X_TOP_OPTION1_DATA 0x0
- -
- -#define QCA808X_PHY_MMD3_DEBUG_1 0xa100
- -#define QCA808X_MMD3_DEBUG_1_VALUE 0x9203
- -#define QCA808X_PHY_MMD3_DEBUG_2 0xa101
- -#define QCA808X_MMD3_DEBUG_2_VALUE 0x48ad
- -#define QCA808X_PHY_MMD3_DEBUG_3 0xa103
- -#define QCA808X_MMD3_DEBUG_3_VALUE 0x1698
- -#define QCA808X_PHY_MMD3_DEBUG_4 0xa105
- -#define QCA808X_MMD3_DEBUG_4_VALUE 0x8001
- -#define QCA808X_PHY_MMD3_DEBUG_5 0xa106
- -#define QCA808X_MMD3_DEBUG_5_VALUE 0x1111
- -#define QCA808X_PHY_MMD3_DEBUG_6 0xa011
- -#define QCA808X_MMD3_DEBUG_6_VALUE 0x5f85
- -
- -/* master/slave seed config */
- -#define QCA808X_PHY_DEBUG_LOCAL_SEED 9
- -#define QCA808X_MASTER_SLAVE_SEED_ENABLE BIT(1)
- -#define QCA808X_MASTER_SLAVE_SEED_CFG GENMASK(12, 2)
- -#define QCA808X_MASTER_SLAVE_SEED_RANGE 0x32
- -
- -/* Hibernation yields lower power consumpiton in contrast with normal operation mode.
- - * when the copper cable is unplugged, the PHY enters into hibernation mode in about 10s.
- - */
- -#define QCA808X_DBG_AN_TEST 0xb
- -#define QCA808X_HIBERNATION_EN BIT(15)
- -
- -#define QCA808X_CDT_ENABLE_TEST BIT(15)
- -#define QCA808X_CDT_INTER_CHECK_DIS BIT(13)
- -#define QCA808X_CDT_STATUS BIT(11)
- -#define QCA808X_CDT_LENGTH_UNIT BIT(10)
- -
- -#define QCA808X_MMD3_CDT_STATUS 0x8064
- -#define QCA808X_MMD3_CDT_DIAG_PAIR_A 0x8065
- -#define QCA808X_MMD3_CDT_DIAG_PAIR_B 0x8066
- -#define QCA808X_MMD3_CDT_DIAG_PAIR_C 0x8067
- -#define QCA808X_MMD3_CDT_DIAG_PAIR_D 0x8068
- -#define QCA808X_CDT_DIAG_LENGTH_SAME_SHORT GENMASK(15, 8)
- -#define QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT GENMASK(7, 0)
- -
- -#define QCA808X_CDT_CODE_PAIR_A GENMASK(15, 12)
- -#define QCA808X_CDT_CODE_PAIR_B GENMASK(11, 8)
- -#define QCA808X_CDT_CODE_PAIR_C GENMASK(7, 4)
- -#define QCA808X_CDT_CODE_PAIR_D GENMASK(3, 0)
- -
- -#define QCA808X_CDT_STATUS_STAT_TYPE GENMASK(1, 0)
- -#define QCA808X_CDT_STATUS_STAT_FAIL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 0)
- -#define QCA808X_CDT_STATUS_STAT_NORMAL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 1)
- -#define QCA808X_CDT_STATUS_STAT_SAME_OPEN FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 2)
- -#define QCA808X_CDT_STATUS_STAT_SAME_SHORT FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 3)
- -
- -#define QCA808X_CDT_STATUS_STAT_MDI GENMASK(3, 2)
- -#define QCA808X_CDT_STATUS_STAT_MDI1 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 1)
- -#define QCA808X_CDT_STATUS_STAT_MDI2 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 2)
- -#define QCA808X_CDT_STATUS_STAT_MDI3 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 3)
- -
- -/* NORMAL are MDI with type set to 0 */
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI1
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- - QCA808X_CDT_STATUS_STAT_MDI1)
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- - QCA808X_CDT_STATUS_STAT_MDI1)
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI2
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- - QCA808X_CDT_STATUS_STAT_MDI2)
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- - QCA808X_CDT_STATUS_STAT_MDI2)
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI3
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- - QCA808X_CDT_STATUS_STAT_MDI3)
- -#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- - QCA808X_CDT_STATUS_STAT_MDI3)
- -
- -/* Added for reference of existence but should be handled by wait_for_completion already */
- -#define QCA808X_CDT_STATUS_STAT_BUSY (BIT(1) | BIT(3))
- -
- -#define QCA808X_MMD7_LED_GLOBAL 0x8073
- -#define QCA808X_LED_BLINK_1 GENMASK(11, 6)
- -#define QCA808X_LED_BLINK_2 GENMASK(5, 0)
- -/* Values are the same for both BLINK_1 and BLINK_2 */
- -#define QCA808X_LED_BLINK_FREQ_MASK GENMASK(5, 3)
- -#define QCA808X_LED_BLINK_FREQ_2HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x0)
- -#define QCA808X_LED_BLINK_FREQ_4HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x1)
- -#define QCA808X_LED_BLINK_FREQ_8HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x2)
- -#define QCA808X_LED_BLINK_FREQ_16HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x3)
- -#define QCA808X_LED_BLINK_FREQ_32HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x4)
- -#define QCA808X_LED_BLINK_FREQ_64HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x5)
- -#define QCA808X_LED_BLINK_FREQ_128HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x6)
- -#define QCA808X_LED_BLINK_FREQ_256HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x7)
- -#define QCA808X_LED_BLINK_DUTY_MASK GENMASK(2, 0)
- -#define QCA808X_LED_BLINK_DUTY_50_50 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x0)
- -#define QCA808X_LED_BLINK_DUTY_75_25 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x1)
- -#define QCA808X_LED_BLINK_DUTY_25_75 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x2)
- -#define QCA808X_LED_BLINK_DUTY_33_67 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x3)
- -#define QCA808X_LED_BLINK_DUTY_67_33 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x4)
- -#define QCA808X_LED_BLINK_DUTY_17_83 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x5)
- -#define QCA808X_LED_BLINK_DUTY_83_17 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x6)
- -#define QCA808X_LED_BLINK_DUTY_8_92 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x7)
- -
- -#define QCA808X_MMD7_LED2_CTRL 0x8074
- -#define QCA808X_MMD7_LED2_FORCE_CTRL 0x8075
- -#define QCA808X_MMD7_LED1_CTRL 0x8076
- -#define QCA808X_MMD7_LED1_FORCE_CTRL 0x8077
- -#define QCA808X_MMD7_LED0_CTRL 0x8078
- -#define QCA808X_MMD7_LED_CTRL(x) (0x8078 - ((x) * 2))
- -
- -/* LED hw control pattern is the same for every LED */
- -#define QCA808X_LED_PATTERN_MASK GENMASK(15, 0)
- -#define QCA808X_LED_SPEED2500_ON BIT(15)
- -#define QCA808X_LED_SPEED2500_BLINK BIT(14)
- -/* Follow blink trigger even if duplex or speed condition doesn't match */
- -#define QCA808X_LED_BLINK_CHECK_BYPASS BIT(13)
- -#define QCA808X_LED_FULL_DUPLEX_ON BIT(12)
- -#define QCA808X_LED_HALF_DUPLEX_ON BIT(11)
- -#define QCA808X_LED_TX_BLINK BIT(10)
- -#define QCA808X_LED_RX_BLINK BIT(9)
- -#define QCA808X_LED_TX_ON_10MS BIT(8)
- -#define QCA808X_LED_RX_ON_10MS BIT(7)
- -#define QCA808X_LED_SPEED1000_ON BIT(6)
- -#define QCA808X_LED_SPEED100_ON BIT(5)
- -#define QCA808X_LED_SPEED10_ON BIT(4)
- -#define QCA808X_LED_COLLISION_BLINK BIT(3)
- -#define QCA808X_LED_SPEED1000_BLINK BIT(2)
- -#define QCA808X_LED_SPEED100_BLINK BIT(1)
- -#define QCA808X_LED_SPEED10_BLINK BIT(0)
- -
- -#define QCA808X_MMD7_LED0_FORCE_CTRL 0x8079
- -#define QCA808X_MMD7_LED_FORCE_CTRL(x) (0x8079 - ((x) * 2))
- -
- -/* LED force ctrl is the same for every LED
- - * No documentation exist for this, not even internal one
- - * with NDA as QCOM gives only info about configuring
- - * hw control pattern rules and doesn't indicate any way
- - * to force the LED to specific mode.
- - * These define comes from reverse and testing and maybe
- - * lack of some info or some info are not entirely correct.
- - * For the basic LED control and hw control these finding
- - * are enough to support LED control in all the required APIs.
- - *
- - * On doing some comparison with implementation with qca807x,
- - * it was found that it's 1:1 equal to it and confirms all the
- - * reverse done. It was also found further specification with the
- - * force mode and the blink modes.
- - */
- -#define QCA808X_LED_FORCE_EN BIT(15)
- -#define QCA808X_LED_FORCE_MODE_MASK GENMASK(14, 13)
- -#define QCA808X_LED_FORCE_BLINK_1 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x3)
- -#define QCA808X_LED_FORCE_BLINK_2 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x2)
- -#define QCA808X_LED_FORCE_ON FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x1)
- -#define QCA808X_LED_FORCE_OFF FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x0)
- -
- -#define QCA808X_MMD7_LED_POLARITY_CTRL 0x901a
- -/* QSDK sets by default 0x46 to this reg that sets BIT 6 for
- - * LED to active high. It's not clear what BIT 3 and BIT 4 does.
- - */
- -#define QCA808X_LED_ACTIVE_HIGH BIT(6)
- -
- -/* QCA808X 1G chip type */
- -#define QCA808X_PHY_MMD7_CHIP_TYPE 0x901d
- -#define QCA808X_PHY_CHIP_TYPE_1G BIT(0)
- -
- -#define QCA8081_PHY_SERDES_MMD1_FIFO_CTRL 0x9072
- -#define QCA8081_PHY_FIFO_RSTN BIT(11)
- -
- -MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver");
- -MODULE_AUTHOR("Matus Ujhelyi");
- -MODULE_LICENSE("GPL");
- -
- -enum stat_access_type {
- - PHY,
- - MMD
- -};
- -
- -struct at803x_hw_stat {
- - const char *string;
- - u8 reg;
- - u32 mask;
- - enum stat_access_type access_type;
- -};
- -
- -static struct at803x_hw_stat qca83xx_hw_stats[] = {
- - { "phy_idle_errors", 0xa, GENMASK(7, 0), PHY},
- - { "phy_receive_errors", 0x15, GENMASK(15, 0), PHY},
- - { "eee_wake_errors", 0x16, GENMASK(15, 0), MMD},
- -};
- -
- -struct at803x_ss_mask {
- - u16 speed_mask;
- - u8 speed_shift;
- -};
- -
- -struct at803x_priv {
- - int flags;
- - u16 clk_25m_reg;
- - u16 clk_25m_mask;
- - u8 smarteee_lpi_tw_1g;
- - u8 smarteee_lpi_tw_100m;
- - bool is_fiber;
- - bool is_1000basex;
- - struct regulator_dev *vddio_rdev;
- - struct regulator_dev *vddh_rdev;
- - u64 stats[ARRAY_SIZE(qca83xx_hw_stats)];
- - int led_polarity_mode;
- -};
- -
- -struct at803x_context {
- - u16 bmcr;
- - u16 advertise;
- - u16 control1000;
- - u16 int_enable;
- - u16 smart_speed;
- - u16 led_control;
- -};
- -
- -static int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data)
- -{
- - int ret;
- -
- - ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
- - if (ret < 0)
- - return ret;
- -
- - return phy_write(phydev, AT803X_DEBUG_DATA, data);
- -}
- -
- -static int at803x_debug_reg_read(struct phy_device *phydev, u16 reg)
- -{
- - int ret;
- -
- - ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
- - if (ret < 0)
- - return ret;
- -
- - return phy_read(phydev, AT803X_DEBUG_DATA);
- -}
- -
- -static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
- - u16 clear, u16 set)
- -{
- - u16 val;
- - int ret;
- -
- - ret = at803x_debug_reg_read(phydev, reg);
- - if (ret < 0)
- - return ret;
- -
- - val = ret & 0xffff;
- - val &= ~clear;
- - val |= set;
- -
- - return phy_write(phydev, AT803X_DEBUG_DATA, val);
- -}
- -
- -static int at803x_write_page(struct phy_device *phydev, int page)
- -{
- - int mask;
- - int set;
- -
- - if (page == AT803X_PAGE_COPPER) {
- - set = AT803X_BT_BX_REG_SEL;
- - mask = 0;
- - } else {
- - set = 0;
- - mask = AT803X_BT_BX_REG_SEL;
- - }
- -
- - return __phy_modify(phydev, AT803X_REG_CHIP_CONFIG, mask, set);
- -}
- -
- -static int at803x_read_page(struct phy_device *phydev)
- -{
- - int ccr = __phy_read(phydev, AT803X_REG_CHIP_CONFIG);
- -
- - if (ccr < 0)
- - return ccr;
- -
- - if (ccr & AT803X_BT_BX_REG_SEL)
- - return AT803X_PAGE_COPPER;
- -
- - return AT803X_PAGE_FIBER;
- -}
- -
- -static int at803x_enable_rx_delay(struct phy_device *phydev)
- -{
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0,
- - AT803X_DEBUG_RX_CLK_DLY_EN);
- -}
- -
- -static int at803x_enable_tx_delay(struct phy_device *phydev)
- -{
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0,
- - AT803X_DEBUG_TX_CLK_DLY_EN);
- -}
- -
- -static int at803x_disable_rx_delay(struct phy_device *phydev)
- -{
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- - AT803X_DEBUG_RX_CLK_DLY_EN, 0);
- -}
- -
- -static int at803x_disable_tx_delay(struct phy_device *phydev)
- -{
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE,
- - AT803X_DEBUG_TX_CLK_DLY_EN, 0);
- -}
- -
- -/* save relevant PHY registers to private copy */
- -static void at803x_context_save(struct phy_device *phydev,
- - struct at803x_context *context)
- -{
- - context->bmcr = phy_read(phydev, MII_BMCR);
- - context->advertise = phy_read(phydev, MII_ADVERTISE);
- - context->control1000 = phy_read(phydev, MII_CTRL1000);
- - context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE);
- - context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED);
- - context->led_control = phy_read(phydev, AT803X_LED_CONTROL);
- -}
- -
- -/* restore relevant PHY registers from private copy */
- -static void at803x_context_restore(struct phy_device *phydev,
- - const struct at803x_context *context)
- -{
- - phy_write(phydev, MII_BMCR, context->bmcr);
- - phy_write(phydev, MII_ADVERTISE, context->advertise);
- - phy_write(phydev, MII_CTRL1000, context->control1000);
- - phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable);
- - phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed);
- - phy_write(phydev, AT803X_LED_CONTROL, context->led_control);
- -}
- -
- -static int at803x_set_wol(struct phy_device *phydev,
- - struct ethtool_wolinfo *wol)
- -{
- - int ret, irq_enabled;
- -
- - if (wol->wolopts & WAKE_MAGIC) {
- - struct net_device *ndev = phydev->attached_dev;
- - const u8 *mac;
- - unsigned int i;
- - static const unsigned int offsets[] = {
- - AT803X_LOC_MAC_ADDR_32_47_OFFSET,
- - AT803X_LOC_MAC_ADDR_16_31_OFFSET,
- - AT803X_LOC_MAC_ADDR_0_15_OFFSET,
- - };
- -
- - if (!ndev)
- - return -ENODEV;
- -
- - mac = (const u8 *)ndev->dev_addr;
- -
- - if (!is_valid_ether_addr(mac))
- - return -EINVAL;
- -
- - for (i = 0; i < 3; i++)
- - phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i],
- - mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
- -
- - /* Enable WOL interrupt */
- - ret = phy_modify(phydev, AT803X_INTR_ENABLE, 0, AT803X_INTR_ENABLE_WOL);
- - if (ret)
- - return ret;
- - } else {
- - /* Disable WOL interrupt */
- - ret = phy_modify(phydev, AT803X_INTR_ENABLE, AT803X_INTR_ENABLE_WOL, 0);
- - if (ret)
- - return ret;
- - }
- -
- - /* Clear WOL status */
- - ret = phy_read(phydev, AT803X_INTR_STATUS);
- - if (ret < 0)
- - return ret;
- -
- - /* Check if there are other interrupts except for WOL triggered when PHY is
- - * in interrupt mode, only the interrupts enabled by AT803X_INTR_ENABLE can
- - * be passed up to the interrupt PIN.
- - */
- - irq_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
- - if (irq_enabled < 0)
- - return irq_enabled;
- -
- - irq_enabled &= ~AT803X_INTR_ENABLE_WOL;
- - if (ret & irq_enabled && !phy_polling_mode(phydev))
- - phy_trigger_machine(phydev);
- -
- - return 0;
- -}
- -
- -static void at803x_get_wol(struct phy_device *phydev,
- - struct ethtool_wolinfo *wol)
- -{
- - int value;
- -
- - wol->supported = WAKE_MAGIC;
- - wol->wolopts = 0;
- -
- - value = phy_read(phydev, AT803X_INTR_ENABLE);
- - if (value < 0)
- - return;
- -
- - if (value & AT803X_INTR_ENABLE_WOL)
- - wol->wolopts |= WAKE_MAGIC;
- -}
- -
- -static int qca83xx_get_sset_count(struct phy_device *phydev)
- -{
- - return ARRAY_SIZE(qca83xx_hw_stats);
- -}
- -
- -static void qca83xx_get_strings(struct phy_device *phydev, u8 *data)
- -{
- - int i;
- -
- - for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++) {
- - strscpy(data + i * ETH_GSTRING_LEN,
- - qca83xx_hw_stats[i].string, ETH_GSTRING_LEN);
- - }
- -}
- -
- -static u64 qca83xx_get_stat(struct phy_device *phydev, int i)
- -{
- - struct at803x_hw_stat stat = qca83xx_hw_stats[i];
- - struct at803x_priv *priv = phydev->priv;
- - int val;
- - u64 ret;
- -
- - if (stat.access_type == MMD)
- - val = phy_read_mmd(phydev, MDIO_MMD_PCS, stat.reg);
- - else
- - val = phy_read(phydev, stat.reg);
- -
- - if (val < 0) {
- - ret = U64_MAX;
- - } else {
- - val = val & stat.mask;
- - priv->stats[i] += val;
- - ret = priv->stats[i];
- - }
- -
- - return ret;
- -}
- -
- -static void qca83xx_get_stats(struct phy_device *phydev,
- - struct ethtool_stats *stats, u64 *data)
- -{
- - int i;
- -
- - for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++)
- - data[i] = qca83xx_get_stat(phydev, i);
- -}
- -
- -static int at803x_suspend(struct phy_device *phydev)
- -{
- - int value;
- - int wol_enabled;
- -
- - value = phy_read(phydev, AT803X_INTR_ENABLE);
- - wol_enabled = value & AT803X_INTR_ENABLE_WOL;
- -
- - if (wol_enabled)
- - value = BMCR_ISOLATE;
- - else
- - value = BMCR_PDOWN;
- -
- - phy_modify(phydev, MII_BMCR, 0, value);
- -
- - return 0;
- -}
- -
- -static int at803x_resume(struct phy_device *phydev)
- -{
- - return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
- -}
- -
- -static int at803x_parse_dt(struct phy_device *phydev)
- -{
- - struct device_node *node = phydev->mdio.dev.of_node;
- - struct at803x_priv *priv = phydev->priv;
- - u32 freq, strength, tw;
- - unsigned int sel;
- - int ret;
- -
- - if (!IS_ENABLED(CONFIG_OF_MDIO))
- - return 0;
- -
- - if (of_property_read_bool(node, "qca,disable-smarteee"))
- - priv->flags |= AT803X_DISABLE_SMARTEEE;
- -
- - if (of_property_read_bool(node, "qca,disable-hibernation-mode"))
- - priv->flags |= AT803X_DISABLE_HIBERNATION_MODE;
- -
- - if (!of_property_read_u32(node, "qca,smarteee-tw-us-1g", &tw)) {
- - if (!tw || tw > 255) {
- - phydev_err(phydev, "invalid qca,smarteee-tw-us-1g\n");
- - return -EINVAL;
- - }
- - priv->smarteee_lpi_tw_1g = tw;
- - }
- -
- - if (!of_property_read_u32(node, "qca,smarteee-tw-us-100m", &tw)) {
- - if (!tw || tw > 255) {
- - phydev_err(phydev, "invalid qca,smarteee-tw-us-100m\n");
- - return -EINVAL;
- - }
- - priv->smarteee_lpi_tw_100m = tw;
- - }
- -
- - ret = of_property_read_u32(node, "qca,clk-out-frequency", &freq);
- - if (!ret) {
- - switch (freq) {
- - case 25000000:
- - sel = AT803X_CLK_OUT_25MHZ_XTAL;
- - break;
- - case 50000000:
- - sel = AT803X_CLK_OUT_50MHZ_PLL;
- - break;
- - case 62500000:
- - sel = AT803X_CLK_OUT_62_5MHZ_PLL;
- - break;
- - case 125000000:
- - sel = AT803X_CLK_OUT_125MHZ_PLL;
- - break;
- - default:
- - phydev_err(phydev, "invalid qca,clk-out-frequency\n");
- - return -EINVAL;
- - }
- -
- - priv->clk_25m_reg |= FIELD_PREP(AT803X_CLK_OUT_MASK, sel);
- - priv->clk_25m_mask |= AT803X_CLK_OUT_MASK;
- - }
- -
- - ret = of_property_read_u32(node, "qca,clk-out-strength", &strength);
- - if (!ret) {
- - priv->clk_25m_mask |= AT803X_CLK_OUT_STRENGTH_MASK;
- - switch (strength) {
- - case AR803X_STRENGTH_FULL:
- - priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_FULL;
- - break;
- - case AR803X_STRENGTH_HALF:
- - priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_HALF;
- - break;
- - case AR803X_STRENGTH_QUARTER:
- - priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_QUARTER;
- - break;
- - default:
- - phydev_err(phydev, "invalid qca,clk-out-strength\n");
- - return -EINVAL;
- - }
- - }
- -
- - return 0;
- -}
- -
- -static int at803x_probe(struct phy_device *phydev)
- -{
- - struct device *dev = &phydev->mdio.dev;
- - struct at803x_priv *priv;
- - int ret;
- -
- - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- - if (!priv)
- - return -ENOMEM;
- -
- - /* Init LED polarity mode to -1 */
- - priv->led_polarity_mode = -1;
- -
- - phydev->priv = priv;
- -
- - ret = at803x_parse_dt(phydev);
- - if (ret)
- - return ret;
- -
- - return 0;
- -}
- -
- -static int at803x_get_features(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - int err;
- -
- - err = genphy_read_abilities(phydev);
- - if (err)
- - return err;
- -
- - if (phydev->drv->phy_id != ATH8031_PHY_ID)
- - return 0;
- -
- - /* AR8031/AR8033 have different status registers
- - * for copper and fiber operation. However, the
- - * extended status register is the same for both
- - * operation modes.
- - *
- - * As a result of that, ESTATUS_1000_XFULL is set
- - * to 1 even when operating in copper TP mode.
- - *
- - * Remove this mode from the supported link modes
- - * when not operating in 1000BaseX mode.
- - */
- - if (!priv->is_1000basex)
- - linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
- - phydev->supported);
- -
- - return 0;
- -}
- -
- -static int at803x_smarteee_config(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - u16 mask = 0, val = 0;
- - int ret;
- -
- - if (priv->flags & AT803X_DISABLE_SMARTEEE)
- - return phy_modify_mmd(phydev, MDIO_MMD_PCS,
- - AT803X_MMD3_SMARTEEE_CTL3,
- - AT803X_MMD3_SMARTEEE_CTL3_LPI_EN, 0);
- -
- - if (priv->smarteee_lpi_tw_1g) {
- - mask |= 0xff00;
- - val |= priv->smarteee_lpi_tw_1g << 8;
- - }
- - if (priv->smarteee_lpi_tw_100m) {
- - mask |= 0x00ff;
- - val |= priv->smarteee_lpi_tw_100m;
- - }
- - if (!mask)
- - return 0;
- -
- - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL1,
- - mask, val);
- - if (ret)
- - return ret;
- -
- - return phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL3,
- - AT803X_MMD3_SMARTEEE_CTL3_LPI_EN,
- - AT803X_MMD3_SMARTEEE_CTL3_LPI_EN);
- -}
- -
- -static int at803x_clk_out_config(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- -
- - if (!priv->clk_25m_mask)
- - return 0;
- -
- - return phy_modify_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M,
- - priv->clk_25m_mask, priv->clk_25m_reg);
- -}
- -
- -static int at8031_pll_config(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- -
- - /* The default after hardware reset is PLL OFF. After a soft reset, the
- - * values are retained.
- - */
- - if (priv->flags & AT803X_KEEP_PLL_ENABLED)
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- - 0, AT803X_DEBUG_PLL_ON);
- - else
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- - AT803X_DEBUG_PLL_ON, 0);
- -}
- -
- -static int at803x_hibernation_mode_config(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- -
- - /* The default after hardware reset is hibernation mode enabled. After
- - * software reset, the value is retained.
- - */
- - if (!(priv->flags & AT803X_DISABLE_HIBERNATION_MODE))
- - return 0;
- -
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
- - AT803X_DEBUG_HIB_CTRL_PS_HIB_EN, 0);
- -}
- -
- -static int at803x_config_init(struct phy_device *phydev)
- -{
- - int ret;
- -
- - /* The RX and TX delay default is:
- - * after HW reset: RX delay enabled and TX delay disabled
- - * after SW reset: RX delay enabled, while TX delay retains the
- - * value before reset.
- - */
- - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- - phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
- - ret = at803x_enable_rx_delay(phydev);
- - else
- - ret = at803x_disable_rx_delay(phydev);
- - if (ret < 0)
- - return ret;
- -
- - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- - phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
- - ret = at803x_enable_tx_delay(phydev);
- - else
- - ret = at803x_disable_tx_delay(phydev);
- - if (ret < 0)
- - return ret;
- -
- - ret = at803x_smarteee_config(phydev);
- - if (ret < 0)
- - return ret;
- -
- - ret = at803x_clk_out_config(phydev);
- - if (ret < 0)
- - return ret;
- -
- - ret = at803x_hibernation_mode_config(phydev);
- - if (ret < 0)
- - return ret;
- -
- - /* Ar803x extended next page bit is enabled by default. Cisco
- - * multigig switches read this bit and attempt to negotiate 10Gbps
- - * rates even if the next page bit is disabled. This is incorrect
- - * behaviour but we still need to accommodate it. XNP is only needed
- - * for 10Gbps support, so disable XNP.
- - */
- - return phy_modify(phydev, MII_ADVERTISE, MDIO_AN_CTRL1_XNP, 0);
- -}
- -
- -static int at803x_ack_interrupt(struct phy_device *phydev)
- -{
- - int err;
- -
- - err = phy_read(phydev, AT803X_INTR_STATUS);
- -
- - return (err < 0) ? err : 0;
- -}
- -
- -static int at803x_config_intr(struct phy_device *phydev)
- -{
- - int err;
- - int value;
- -
- - value = phy_read(phydev, AT803X_INTR_ENABLE);
- -
- - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
- - /* Clear any pending interrupts */
- - err = at803x_ack_interrupt(phydev);
- - if (err)
- - return err;
- -
- - value |= AT803X_INTR_ENABLE_AUTONEG_ERR;
- - value |= AT803X_INTR_ENABLE_SPEED_CHANGED;
- - value |= AT803X_INTR_ENABLE_DUPLEX_CHANGED;
- - value |= AT803X_INTR_ENABLE_LINK_FAIL;
- - value |= AT803X_INTR_ENABLE_LINK_SUCCESS;
- -
- - err = phy_write(phydev, AT803X_INTR_ENABLE, value);
- - } else {
- - err = phy_write(phydev, AT803X_INTR_ENABLE, 0);
- - if (err)
- - return err;
- -
- - /* Clear any pending interrupts */
- - err = at803x_ack_interrupt(phydev);
- - }
- -
- - return err;
- -}
- -
- -static irqreturn_t at803x_handle_interrupt(struct phy_device *phydev)
- -{
- - int irq_status, int_enabled;
- -
- - irq_status = phy_read(phydev, AT803X_INTR_STATUS);
- - if (irq_status < 0) {
- - phy_error(phydev);
- - return IRQ_NONE;
- - }
- -
- - /* Read the current enabled interrupts */
- - int_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
- - if (int_enabled < 0) {
- - phy_error(phydev);
- - return IRQ_NONE;
- - }
- -
- - /* See if this was one of our enabled interrupts */
- - if (!(irq_status & int_enabled))
- - return IRQ_NONE;
- -
- - phy_trigger_machine(phydev);
- -
- - return IRQ_HANDLED;
- -}
- -
- -static void at803x_link_change_notify(struct phy_device *phydev)
- -{
- - /*
- - * Conduct a hardware reset for AT8030 every time a link loss is
- - * signalled. This is necessary to circumvent a hardware bug that
- - * occurs when the cable is unplugged while TX packets are pending
- - * in the FIFO. In such cases, the FIFO enters an error mode it
- - * cannot recover from by software.
- - */
- - if (phydev->state == PHY_NOLINK && phydev->mdio.reset_gpio) {
- - struct at803x_context context;
- -
- - at803x_context_save(phydev, &context);
- -
- - phy_device_reset(phydev, 1);
- - usleep_range(1000, 2000);
- - phy_device_reset(phydev, 0);
- - usleep_range(1000, 2000);
- -
- - at803x_context_restore(phydev, &context);
- -
- - phydev_dbg(phydev, "%s(): phy was reset\n", __func__);
- - }
- -}
- -
- -static int at803x_read_specific_status(struct phy_device *phydev,
- - struct at803x_ss_mask ss_mask)
- -{
- - int ss;
- -
- - /* Read the AT8035 PHY-Specific Status register, which indicates the
- - * speed and duplex that the PHY is actually using, irrespective of
- - * whether we are in autoneg mode or not.
- - */
- - ss = phy_read(phydev, AT803X_SPECIFIC_STATUS);
- - if (ss < 0)
- - return ss;
- -
- - if (ss & AT803X_SS_SPEED_DUPLEX_RESOLVED) {
- - int sfc, speed;
- -
- - sfc = phy_read(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL);
- - if (sfc < 0)
- - return sfc;
- -
- - speed = ss & ss_mask.speed_mask;
- - speed >>= ss_mask.speed_shift;
- -
- - switch (speed) {
- - case AT803X_SS_SPEED_10:
- - phydev->speed = SPEED_10;
- - break;
- - case AT803X_SS_SPEED_100:
- - phydev->speed = SPEED_100;
- - break;
- - case AT803X_SS_SPEED_1000:
- - phydev->speed = SPEED_1000;
- - break;
- - case QCA808X_SS_SPEED_2500:
- - phydev->speed = SPEED_2500;
- - break;
- - }
- - if (ss & AT803X_SS_DUPLEX)
- - phydev->duplex = DUPLEX_FULL;
- - else
- - phydev->duplex = DUPLEX_HALF;
- -
- - if (ss & AT803X_SS_MDIX)
- - phydev->mdix = ETH_TP_MDI_X;
- - else
- - phydev->mdix = ETH_TP_MDI;
- -
- - switch (FIELD_GET(AT803X_SFC_MDI_CROSSOVER_MODE_M, sfc)) {
- - case AT803X_SFC_MANUAL_MDI:
- - phydev->mdix_ctrl = ETH_TP_MDI;
- - break;
- - case AT803X_SFC_MANUAL_MDIX:
- - phydev->mdix_ctrl = ETH_TP_MDI_X;
- - break;
- - case AT803X_SFC_AUTOMATIC_CROSSOVER:
- - phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
- - break;
- - }
- - }
- -
- - return 0;
- -}
- -
- -static int at803x_read_status(struct phy_device *phydev)
- -{
- - struct at803x_ss_mask ss_mask = { 0 };
- - int err, old_link = phydev->link;
- -
- - /* Update the link, but return if there was an error */
- - err = genphy_update_link(phydev);
- - if (err)
- - return err;
- -
- - /* why bother the PHY if nothing can have changed */
- - if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
- - return 0;
- -
- - phydev->speed = SPEED_UNKNOWN;
- - phydev->duplex = DUPLEX_UNKNOWN;
- - phydev->pause = 0;
- - phydev->asym_pause = 0;
- -
- - err = genphy_read_lpa(phydev);
- - if (err < 0)
- - return err;
- -
- - ss_mask.speed_mask = AT803X_SS_SPEED_MASK;
- - ss_mask.speed_shift = __bf_shf(AT803X_SS_SPEED_MASK);
- - err = at803x_read_specific_status(phydev, ss_mask);
- - if (err < 0)
- - return err;
- -
- - if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete)
- - phy_resolve_aneg_pause(phydev);
- -
- - return 0;
- -}
- -
- -static int at803x_config_mdix(struct phy_device *phydev, u8 ctrl)
- -{
- - u16 val;
- -
- - switch (ctrl) {
- - case ETH_TP_MDI:
- - val = AT803X_SFC_MANUAL_MDI;
- - break;
- - case ETH_TP_MDI_X:
- - val = AT803X_SFC_MANUAL_MDIX;
- - break;
- - case ETH_TP_MDI_AUTO:
- - val = AT803X_SFC_AUTOMATIC_CROSSOVER;
- - break;
- - default:
- - return 0;
- - }
- -
- - return phy_modify_changed(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL,
- - AT803X_SFC_MDI_CROSSOVER_MODE_M,
- - FIELD_PREP(AT803X_SFC_MDI_CROSSOVER_MODE_M, val));
- -}
- -
- -static int at803x_prepare_config_aneg(struct phy_device *phydev)
- -{
- - int ret;
- -
- - ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
- - if (ret < 0)
- - return ret;
- -
- - /* Changes of the midx bits are disruptive to the normal operation;
- - * therefore any changes to these registers must be followed by a
- - * software reset to take effect.
- - */
- - if (ret == 1) {
- - ret = genphy_soft_reset(phydev);
- - if (ret < 0)
- - return ret;
- - }
- -
- - return 0;
- -}
- -
- -static int at803x_config_aneg(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - int ret;
- -
- - ret = at803x_prepare_config_aneg(phydev);
- - if (ret)
- - return ret;
- -
- - if (priv->is_1000basex)
- - return genphy_c37_config_aneg(phydev);
- -
- - return genphy_config_aneg(phydev);
- -}
- -
- -static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
- -{
- - int val;
- -
- - val = phy_read(phydev, AT803X_SMART_SPEED);
- - if (val < 0)
- - return val;
- -
- - if (val & AT803X_SMART_SPEED_ENABLE)
- - *d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
- - else
- - *d = DOWNSHIFT_DEV_DISABLE;
- -
- - return 0;
- -}
- -
- -static int at803x_set_downshift(struct phy_device *phydev, u8 cnt)
- -{
- - u16 mask, set;
- - int ret;
- -
- - switch (cnt) {
- - case DOWNSHIFT_DEV_DEFAULT_COUNT:
- - cnt = AT803X_DEFAULT_DOWNSHIFT;
- - fallthrough;
- - case AT803X_MIN_DOWNSHIFT ... AT803X_MAX_DOWNSHIFT:
- - set = AT803X_SMART_SPEED_ENABLE |
- - AT803X_SMART_SPEED_BYPASS_TIMER |
- - FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
- - mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;
- - break;
- - case DOWNSHIFT_DEV_DISABLE:
- - set = 0;
- - mask = AT803X_SMART_SPEED_ENABLE |
- - AT803X_SMART_SPEED_BYPASS_TIMER;
- - break;
- - default:
- - return -EINVAL;
- - }
- -
- - ret = phy_modify_changed(phydev, AT803X_SMART_SPEED, mask, set);
- -
- - /* After changing the smart speed settings, we need to perform a
- - * software reset, use phy_init_hw() to make sure we set the
- - * reapply any values which might got lost during software reset.
- - */
- - if (ret == 1)
- - ret = phy_init_hw(phydev);
- -
- - return ret;
- -}
- -
- -static int at803x_get_tunable(struct phy_device *phydev,
- - struct ethtool_tunable *tuna, void *data)
- -{
- - switch (tuna->id) {
- - case ETHTOOL_PHY_DOWNSHIFT:
- - return at803x_get_downshift(phydev, data);
- - default:
- - return -EOPNOTSUPP;
- - }
- -}
- -
- -static int at803x_set_tunable(struct phy_device *phydev,
- - struct ethtool_tunable *tuna, const void *data)
- -{
- - switch (tuna->id) {
- - case ETHTOOL_PHY_DOWNSHIFT:
- - return at803x_set_downshift(phydev, *(const u8 *)data);
- - default:
- - return -EOPNOTSUPP;
- - }
- -}
- -
- -static int at803x_cable_test_result_trans(u16 status)
- -{
- - switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
- - case AT803X_CDT_STATUS_STAT_NORMAL:
- - return ETHTOOL_A_CABLE_RESULT_CODE_OK;
- - case AT803X_CDT_STATUS_STAT_SHORT:
- - return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
- - case AT803X_CDT_STATUS_STAT_OPEN:
- - return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
- - case AT803X_CDT_STATUS_STAT_FAIL:
- - default:
- - return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
- - }
- -}
- -
- -static bool at803x_cdt_test_failed(u16 status)
- -{
- - return FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status) ==
- - AT803X_CDT_STATUS_STAT_FAIL;
- -}
- -
- -static bool at803x_cdt_fault_length_valid(u16 status)
- -{
- - switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
- - case AT803X_CDT_STATUS_STAT_OPEN:
- - case AT803X_CDT_STATUS_STAT_SHORT:
- - return true;
- - }
- - return false;
- -}
- -
- -static int at803x_cdt_fault_length(int dt)
- -{
- - /* According to the datasheet the distance to the fault is
- - * DELTA_TIME * 0.824 meters.
- - *
- - * The author suspect the correct formula is:
- - *
- - * fault_distance = DELTA_TIME * (c * VF) / 125MHz / 2
- - *
- - * where c is the speed of light, VF is the velocity factor of
- - * the twisted pair cable, 125MHz the counter frequency and
- - * we need to divide by 2 because the hardware will measure the
- - * round trip time to the fault and back to the PHY.
- - *
- - * With a VF of 0.69 we get the factor 0.824 mentioned in the
- - * datasheet.
- - */
- - return (dt * 824) / 10;
- -}
- -
- -static int at803x_cdt_start(struct phy_device *phydev,
- - u32 cdt_start)
- -{
- - return phy_write(phydev, AT803X_CDT, cdt_start);
- -}
- -
- -static int at803x_cdt_wait_for_completion(struct phy_device *phydev,
- - u32 cdt_en)
- -{
- - int val, ret;
- -
- - /* One test run takes about 25ms */
- - ret = phy_read_poll_timeout(phydev, AT803X_CDT, val,
- - !(val & cdt_en),
- - 30000, 100000, true);
- -
- - return ret < 0 ? ret : 0;
- -}
- -
- -static int at803x_cable_test_one_pair(struct phy_device *phydev, int pair)
- -{
- - static const int ethtool_pair[] = {
- - ETHTOOL_A_CABLE_PAIR_A,
- - ETHTOOL_A_CABLE_PAIR_B,
- - ETHTOOL_A_CABLE_PAIR_C,
- - ETHTOOL_A_CABLE_PAIR_D,
- - };
- - int ret, val;
- -
- - val = FIELD_PREP(AT803X_CDT_MDI_PAIR_MASK, pair) |
- - AT803X_CDT_ENABLE_TEST;
- - ret = at803x_cdt_start(phydev, val);
- - if (ret)
- - return ret;
- -
- - ret = at803x_cdt_wait_for_completion(phydev, AT803X_CDT_ENABLE_TEST);
- - if (ret)
- - return ret;
- -
- - val = phy_read(phydev, AT803X_CDT_STATUS);
- - if (val < 0)
- - return val;
- -
- - if (at803x_cdt_test_failed(val))
- - return 0;
- -
- - ethnl_cable_test_result(phydev, ethtool_pair[pair],
- - at803x_cable_test_result_trans(val));
- -
- - if (at803x_cdt_fault_length_valid(val)) {
- - val = FIELD_GET(AT803X_CDT_STATUS_DELTA_TIME_MASK, val);
- - ethnl_cable_test_fault_length(phydev, ethtool_pair[pair],
- - at803x_cdt_fault_length(val));
- - }
- -
- - return 1;
- -}
- -
- -static int at803x_cable_test_get_status(struct phy_device *phydev,
- - bool *finished, unsigned long pair_mask)
- -{
- - int retries = 20;
- - int pair, ret;
- -
- - *finished = false;
- -
- - /* According to the datasheet the CDT can be performed when
- - * there is no link partner or when the link partner is
- - * auto-negotiating. Starting the test will restart the AN
- - * automatically. It seems that doing this repeatedly we will
- - * get a slot where our link partner won't disturb our
- - * measurement.
- - */
- - while (pair_mask && retries--) {
- - for_each_set_bit(pair, &pair_mask, 4) {
- - ret = at803x_cable_test_one_pair(phydev, pair);
- - if (ret < 0)
- - return ret;
- - if (ret)
- - clear_bit(pair, &pair_mask);
- - }
- - if (pair_mask)
- - msleep(250);
- - }
- -
- - *finished = true;
- -
- - return 0;
- -}
- -
- -static void at803x_cable_test_autoneg(struct phy_device *phydev)
- -{
- - /* Enable auto-negotiation, but advertise no capabilities, no link
- - * will be established. A restart of the auto-negotiation is not
- - * required, because the cable test will automatically break the link.
- - */
- - phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
- - phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
- -}
- -
- -static int at803x_cable_test_start(struct phy_device *phydev)
- -{
- - at803x_cable_test_autoneg(phydev);
- - /* we do all the (time consuming) work later */
- - return 0;
- -}
- -
- -static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
- - unsigned int selector)
- -{
- - struct phy_device *phydev = rdev_get_drvdata(rdev);
- -
- - if (selector)
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- - 0, AT803X_DEBUG_RGMII_1V8);
- - else
- - return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- - AT803X_DEBUG_RGMII_1V8, 0);
- -}
- -
- -static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
- -{
- - struct phy_device *phydev = rdev_get_drvdata(rdev);
- - int val;
- -
- - val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
- - if (val < 0)
- - return val;
- -
- - return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
- -}
- -
- -static const struct regulator_ops vddio_regulator_ops = {
- - .list_voltage = regulator_list_voltage_table,
- - .set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
- - .get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
- -};
- -
- -static const unsigned int vddio_voltage_table[] = {
- - 1500000,
- - 1800000,
- -};
- -
- -static const struct regulator_desc vddio_desc = {
- - .name = "vddio",
- - .of_match = of_match_ptr("vddio-regulator"),
- - .n_voltages = ARRAY_SIZE(vddio_voltage_table),
- - .volt_table = vddio_voltage_table,
- - .ops = &vddio_regulator_ops,
- - .type = REGULATOR_VOLTAGE,
- - .owner = THIS_MODULE,
- -};
- -
- -static const struct regulator_ops vddh_regulator_ops = {
- -};
- -
- -static const struct regulator_desc vddh_desc = {
- - .name = "vddh",
- - .of_match = of_match_ptr("vddh-regulator"),
- - .n_voltages = 1,
- - .fixed_uV = 2500000,
- - .ops = &vddh_regulator_ops,
- - .type = REGULATOR_VOLTAGE,
- - .owner = THIS_MODULE,
- -};
- -
- -static int at8031_register_regulators(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - struct device *dev = &phydev->mdio.dev;
- - struct regulator_config config = { };
- -
- - config.dev = dev;
- - config.driver_data = phydev;
- -
- - priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
- - if (IS_ERR(priv->vddio_rdev)) {
- - phydev_err(phydev, "failed to register VDDIO regulator\n");
- - return PTR_ERR(priv->vddio_rdev);
- - }
- -
- - priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
- - if (IS_ERR(priv->vddh_rdev)) {
- - phydev_err(phydev, "failed to register VDDH regulator\n");
- - return PTR_ERR(priv->vddh_rdev);
- - }
- -
- - return 0;
- -}
- -
- -static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
- -{
- - struct phy_device *phydev = upstream;
- - __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
- - __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
- - DECLARE_PHY_INTERFACE_MASK(interfaces);
- - phy_interface_t iface;
- -
- - linkmode_zero(phy_support);
- - phylink_set(phy_support, 1000baseX_Full);
- - phylink_set(phy_support, 1000baseT_Full);
- - phylink_set(phy_support, Autoneg);
- - phylink_set(phy_support, Pause);
- - phylink_set(phy_support, Asym_Pause);
- -
- - linkmode_zero(sfp_support);
- - sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
- - /* Some modules support 10G modes as well as others we support.
- - * Mask out non-supported modes so the correct interface is picked.
- - */
- - linkmode_and(sfp_support, phy_support, sfp_support);
- -
- - if (linkmode_empty(sfp_support)) {
- - dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
- - return -EINVAL;
- - }
- -
- - iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
- -
- - /* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
- - * interface for use with SFP modules.
- - * However, some copper modules detected as having a preferred SGMII
- - * interface do default to and function in 1000Base-X mode, so just
- - * print a warning and allow such modules, as they may have some chance
- - * of working.
- - */
- - if (iface == PHY_INTERFACE_MODE_SGMII)
- - dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
- - else if (iface != PHY_INTERFACE_MODE_1000BASEX)
- - return -EINVAL;
- -
- - return 0;
- -}
- -
- -static const struct sfp_upstream_ops at8031_sfp_ops = {
- - .attach = phy_sfp_attach,
- - .detach = phy_sfp_detach,
- - .module_insert = at8031_sfp_insert,
- -};
- -
- -static int at8031_parse_dt(struct phy_device *phydev)
- -{
- - struct device_node *node = phydev->mdio.dev.of_node;
- - struct at803x_priv *priv = phydev->priv;
- - int ret;
- -
- - if (of_property_read_bool(node, "qca,keep-pll-enabled"))
- - priv->flags |= AT803X_KEEP_PLL_ENABLED;
- -
- - ret = at8031_register_regulators(phydev);
- - if (ret < 0)
- - return ret;
- -
- - ret = devm_regulator_get_enable_optional(&phydev->mdio.dev,
- - "vddio");
- - if (ret) {
- - phydev_err(phydev, "failed to get VDDIO regulator\n");
- - return ret;
- - }
- -
- - /* Only AR8031/8033 support 1000Base-X for SFP modules */
- - return phy_sfp_probe(phydev, &at8031_sfp_ops);
- -}
- -
- -static int at8031_probe(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - int mode_cfg;
- - int ccr;
- - int ret;
- -
- - ret = at803x_probe(phydev);
- - if (ret)
- - return ret;
- -
- - /* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping
- - * options.
- - */
- - ret = at8031_parse_dt(phydev);
- - if (ret)
- - return ret;
- -
- - ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
- - if (ccr < 0)
- - return ccr;
- - mode_cfg = ccr & AT803X_MODE_CFG_MASK;
- -
- - switch (mode_cfg) {
- - case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
- - case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
- - priv->is_1000basex = true;
- - fallthrough;
- - case AT803X_MODE_CFG_FX100_RGMII_50OHM:
- - case AT803X_MODE_CFG_FX100_RGMII_75OHM:
- - priv->is_fiber = true;
- - break;
- - }
- -
- - /* Disable WoL in 1588 register which is enabled
- - * by default
- - */
- - return phy_modify_mmd(phydev, MDIO_MMD_PCS,
- - AT803X_PHY_MMD3_WOL_CTRL,
- - AT803X_WOL_EN, 0);
- -}
- -
- -static int at8031_config_init(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - int ret;
- -
- - /* Some bootloaders leave the fiber page selected.
- - * Switch to the appropriate page (fiber or copper), as otherwise we
- - * read the PHY capabilities from the wrong page.
- - */
- - phy_lock_mdio_bus(phydev);
- - ret = at803x_write_page(phydev,
- - priv->is_fiber ? AT803X_PAGE_FIBER :
- - AT803X_PAGE_COPPER);
- - phy_unlock_mdio_bus(phydev);
- - if (ret)
- - return ret;
- -
- - ret = at8031_pll_config(phydev);
- - if (ret < 0)
- - return ret;
- -
- - return at803x_config_init(phydev);
- -}
- -
- -static int at8031_set_wol(struct phy_device *phydev,
- - struct ethtool_wolinfo *wol)
- -{
- - int ret;
- -
- - /* First setup MAC address and enable WOL interrupt */
- - ret = at803x_set_wol(phydev, wol);
- - if (ret)
- - return ret;
- -
- - if (wol->wolopts & WAKE_MAGIC)
- - /* Enable WOL function for 1588 */
- - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- - AT803X_PHY_MMD3_WOL_CTRL,
- - 0, AT803X_WOL_EN);
- - else
- - /* Disable WoL function for 1588 */
- - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- - AT803X_PHY_MMD3_WOL_CTRL,
- - AT803X_WOL_EN, 0);
- -
- - return ret;
- -}
- -
- -static int at8031_config_intr(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - int err, value = 0;
- -
- - if (phydev->interrupts == PHY_INTERRUPT_ENABLED &&
- - priv->is_fiber) {
- - /* Clear any pending interrupts */
- - err = at803x_ack_interrupt(phydev);
- - if (err)
- - return err;
- -
- - value |= AT803X_INTR_ENABLE_LINK_FAIL_BX;
- - value |= AT803X_INTR_ENABLE_LINK_SUCCESS_BX;
- -
- - err = phy_set_bits(phydev, AT803X_INTR_ENABLE, value);
- - if (err)
- - return err;
- - }
- -
- - return at803x_config_intr(phydev);
- -}
- -
- -/* AR8031 and AR8033 share the same read status logic */
- -static int at8031_read_status(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- -
- - if (priv->is_1000basex)
- - return genphy_c37_read_status(phydev);
- -
- - return at803x_read_status(phydev);
- -}
- -
- -/* AR8031 and AR8035 share the same cable test get status reg */
- -static int at8031_cable_test_get_status(struct phy_device *phydev,
- - bool *finished)
- -{
- - return at803x_cable_test_get_status(phydev, finished, 0xf);
- -}
- -
- -/* AR8031 and AR8035 share the same cable test start logic */
- -static int at8031_cable_test_start(struct phy_device *phydev)
- -{
- - at803x_cable_test_autoneg(phydev);
- - phy_write(phydev, MII_CTRL1000, 0);
- - /* we do all the (time consuming) work later */
- - return 0;
- -}
- -
- -/* AR8032, AR9331 and QCA9561 share the same cable test get status reg */
- -static int at8032_cable_test_get_status(struct phy_device *phydev,
- - bool *finished)
- -{
- - return at803x_cable_test_get_status(phydev, finished, 0x3);
- -}
- -
- -static int at8035_parse_dt(struct phy_device *phydev)
- -{
- - struct at803x_priv *priv = phydev->priv;
- -
- - /* Mask is set by the generic at803x_parse_dt
- - * if property is set. Assume property is set
- - * with the mask not zero.
- - */
- - if (priv->clk_25m_mask) {
- - /* Fixup for the AR8030/AR8035. This chip has another mask and
- - * doesn't support the DSP reference. Eg. the lowest bit of the
- - * mask. The upper two bits select the same frequencies. Mask
- - * the lowest bit here.
- - *
- - * Warning:
- - * There was no datasheet for the AR8030 available so this is
- - * just a guess. But the AR8035 is listed as pin compatible
- - * to the AR8030 so there might be a good chance it works on
- - * the AR8030 too.
- - */
- - priv->clk_25m_reg &= AT8035_CLK_OUT_MASK;
- - priv->clk_25m_mask &= AT8035_CLK_OUT_MASK;
- - }
- -
- - return 0;
- -}
- -
- -/* AR8030 and AR8035 shared the same special mask for clk_25m */
- -static int at8035_probe(struct phy_device *phydev)
- -{
- - int ret;
- -
- - ret = at803x_probe(phydev);
- - if (ret)
- - return ret;
- -
- - return at8035_parse_dt(phydev);
- -}
- -
- -static int qca83xx_config_init(struct phy_device *phydev)
- -{
- - u8 switch_revision;
- -
- - switch_revision = phydev->dev_flags & QCA8K_DEVFLAGS_REVISION_MASK;
- -
- - switch (switch_revision) {
- - case 1:
- - /* For 100M waveform */
- - at803x_debug_reg_write(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0x02ea);
- - /* Turn on Gigabit clock */
- - at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x68a0);
- - break;
- -
- - case 2:
- - phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0x0);
- - fallthrough;
- - case 4:
- - phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_AZ_DEBUG, 0x803f);
- - at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x6860);
- - at803x_debug_reg_write(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0x2c46);
- - at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_3C, 0x6000);
- - break;
- - }
- -
- - /* Following original QCA sourcecode set port to prefer master */
- - phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
- -
- - return 0;
- -}
- -
- -static int qca8327_config_init(struct phy_device *phydev)
- -{
- - /* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
- - * Disable on init and enable only with 100m speed following
- - * qca original source code.
- - */
- - at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- - QCA8327_DEBUG_MANU_CTRL_EN, 0);
- -
- - return qca83xx_config_init(phydev);
- -}
- -
- -static void qca83xx_link_change_notify(struct phy_device *phydev)
- -{
- - /* Set DAC Amplitude adjustment to +6% for 100m on link running */
- - if (phydev->state == PHY_RUNNING) {
- - if (phydev->speed == SPEED_100)
- - at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- - QCA8327_DEBUG_MANU_CTRL_EN,
- - QCA8327_DEBUG_MANU_CTRL_EN);
- - } else {
- - /* Reset DAC Amplitude adjustment */
- - at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- - QCA8327_DEBUG_MANU_CTRL_EN, 0);
- - }
- -}
- -
- -static int qca83xx_resume(struct phy_device *phydev)
- -{
- - int ret, val;
- -
- - /* Skip reset if not suspended */
- - if (!phydev->suspended)
- - return 0;
- -
- - /* Reinit the port, reset values set by suspend */
- - qca83xx_config_init(phydev);
- -
- - /* Reset the port on port resume */
- - phy_set_bits(phydev, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
- -
- - /* On resume from suspend the switch execute a reset and
- - * restart auto-negotiation. Wait for reset to complete.
- - */
- - ret = phy_read_poll_timeout(phydev, MII_BMCR, val, !(val & BMCR_RESET),
- - 50000, 600000, true);
- - if (ret)
- - return ret;
- -
- - usleep_range(1000, 2000);
- -
- - return 0;
- -}
- -
- -static int qca83xx_suspend(struct phy_device *phydev)
- -{
- - at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_GREEN,
- - AT803X_DEBUG_GATE_CLK_IN1000, 0);
- -
- - at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
- - AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE |
- - AT803X_DEBUG_HIB_CTRL_SEL_RST_80U, 0);
- -
- - return 0;
- -}
- -
- -static int qca8337_suspend(struct phy_device *phydev)
- -{
- - /* Only QCA8337 support actual suspend. */
- - genphy_suspend(phydev);
- -
- - return qca83xx_suspend(phydev);
- -}
- -
- -static int qca8327_suspend(struct phy_device *phydev)
- -{
- - u16 mask = 0;
- -
- - /* QCA8327 cause port unreliability when phy suspend
- - * is set.
- - */
- - mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
- - phy_modify(phydev, MII_BMCR, mask, 0);
- -
- - return qca83xx_suspend(phydev);
- -}
- -
- -static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
- -{
- - int ret;
- -
- - /* Enable fast retrain */
- - ret = genphy_c45_fast_retrain(phydev, true);
- - if (ret)
- - return ret;
- -
- - phy_write_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_TOP_OPTION1,
- - QCA808X_TOP_OPTION1_DATA);
- - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB,
- - QCA808X_MSE_THRESHOLD_20DB_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB,
- - QCA808X_MSE_THRESHOLD_17DB_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB,
- - QCA808X_MSE_THRESHOLD_27DB_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB,
- - QCA808X_MSE_THRESHOLD_28DB_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_1,
- - QCA808X_MMD3_DEBUG_1_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_4,
- - QCA808X_MMD3_DEBUG_4_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_5,
- - QCA808X_MMD3_DEBUG_5_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_3,
- - QCA808X_MMD3_DEBUG_3_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_6,
- - QCA808X_MMD3_DEBUG_6_VALUE);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_2,
- - QCA808X_MMD3_DEBUG_2_VALUE);
- -
- - return 0;
- -}
- -
- -static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
- -{
- - u16 seed_value;
- -
- - if (!enable)
- - return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
- - QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
- -
- - seed_value = get_random_u32_below(QCA808X_MASTER_SLAVE_SEED_RANGE);
- - return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
- - QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
- - FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
- - QCA808X_MASTER_SLAVE_SEED_ENABLE);
- -}
- -
- -static bool qca808x_is_prefer_master(struct phy_device *phydev)
- -{
- - return (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_FORCE) ||
- - (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_PREFERRED);
- -}
- -
- -static bool qca808x_has_fast_retrain_or_slave_seed(struct phy_device *phydev)
- -{
- - return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
- -}
- -
- -static int qca808x_config_init(struct phy_device *phydev)
- -{
- - int ret;
- -
- - /* Active adc&vga on 802.3az for the link 1000M and 100M */
- - ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7,
- - QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN);
- - if (ret)
- - return ret;
- -
- - /* Adjust the threshold on 802.3az for the link 1000M */
- - ret = phy_write_mmd(phydev, MDIO_MMD_PCS,
- - QCA808X_PHY_MMD3_AZ_TRAINING_CTRL,
- - QCA808X_MMD3_AZ_TRAINING_VAL);
- - if (ret)
- - return ret;
- -
- - if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
- - /* Config the fast retrain for the link 2500M */
- - ret = qca808x_phy_fast_retrain_config(phydev);
- - if (ret)
- - return ret;
- -
- - ret = genphy_read_master_slave(phydev);
- - if (ret < 0)
- - return ret;
- -
- - if (!qca808x_is_prefer_master(phydev)) {
- - /* Enable seed and configure lower ramdom seed to make phy
- - * linked as slave mode.
- - */
- - ret = qca808x_phy_ms_seed_enable(phydev, true);
- - if (ret)
- - return ret;
- - }
- - }
- -
- - /* Configure adc threshold as 100mv for the link 10M */
- - return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_ADC_THRESHOLD,
- - QCA808X_ADC_THRESHOLD_MASK,
- - QCA808X_ADC_THRESHOLD_100MV);
- -}
- -
- -static int qca808x_read_status(struct phy_device *phydev)
- -{
- - struct at803x_ss_mask ss_mask = { 0 };
- - int ret;
- -
- - ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
- - if (ret < 0)
- - return ret;
- -
- - linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->lp_advertising,
- - ret & MDIO_AN_10GBT_STAT_LP2_5G);
- -
- - ret = genphy_read_status(phydev);
- - if (ret)
- - return ret;
- -
- - /* qca8081 takes the different bits for speed value from at803x */
- - ss_mask.speed_mask = QCA808X_SS_SPEED_MASK;
- - ss_mask.speed_shift = __bf_shf(QCA808X_SS_SPEED_MASK);
- - ret = at803x_read_specific_status(phydev, ss_mask);
- - if (ret < 0)
- - return ret;
- -
- - if (phydev->link) {
- - if (phydev->speed == SPEED_2500)
- - phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
- - else
- - phydev->interface = PHY_INTERFACE_MODE_SGMII;
- - } else {
- - /* generate seed as a lower random value to make PHY linked as SLAVE easily,
- - * except for master/slave configuration fault detected or the master mode
- - * preferred.
- - *
- - * the reason for not putting this code into the function link_change_notify is
- - * the corner case where the link partner is also the qca8081 PHY and the seed
- - * value is configured as the same value, the link can't be up and no link change
- - * occurs.
- - */
- - if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
- - if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR ||
- - qca808x_is_prefer_master(phydev)) {
- - qca808x_phy_ms_seed_enable(phydev, false);
- - } else {
- - qca808x_phy_ms_seed_enable(phydev, true);
- - }
- - }
- - }
- -
- - return 0;
- -}
- -
- -static int qca808x_soft_reset(struct phy_device *phydev)
- -{
- - int ret;
- -
- - ret = genphy_soft_reset(phydev);
- - if (ret < 0)
- - return ret;
- -
- - if (qca808x_has_fast_retrain_or_slave_seed(phydev))
- - ret = qca808x_phy_ms_seed_enable(phydev, true);
- -
- - return ret;
- -}
- -
- -static bool qca808x_cdt_fault_length_valid(int cdt_code)
- -{
- - switch (cdt_code) {
- - case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
- - case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
- - return true;
- - default:
- - return false;
- - }
- -}
- -
- -static int qca808x_cable_test_result_trans(int cdt_code)
- -{
- - switch (cdt_code) {
- - case QCA808X_CDT_STATUS_STAT_NORMAL:
- - return ETHTOOL_A_CABLE_RESULT_CODE_OK;
- - case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
- - return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
- - case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
- - return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
- - case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
- - return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
- - case QCA808X_CDT_STATUS_STAT_FAIL:
- - default:
- - return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
- - }
- -}
- -
- -static int qca808x_cdt_fault_length(struct phy_device *phydev, int pair,
- - int result)
- -{
- - int val;
- - u32 cdt_length_reg = 0;
- -
- - switch (pair) {
- - case ETHTOOL_A_CABLE_PAIR_A:
- - cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_A;
- - break;
- - case ETHTOOL_A_CABLE_PAIR_B:
- - cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_B;
- - break;
- - case ETHTOOL_A_CABLE_PAIR_C:
- - cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_C;
- - break;
- - case ETHTOOL_A_CABLE_PAIR_D:
- - cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_D;
- - break;
- - default:
- - return -EINVAL;
- - }
- -
- - val = phy_read_mmd(phydev, MDIO_MMD_PCS, cdt_length_reg);
- - if (val < 0)
- - return val;
- -
- - if (result == ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT)
- - val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_SAME_SHORT, val);
- - else
- - val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT, val);
- -
- - return at803x_cdt_fault_length(val);
- -}
- -
- -static int qca808x_cable_test_start(struct phy_device *phydev)
- -{
- - int ret;
- -
- - /* perform CDT with the following configs:
- - * 1. disable hibernation.
- - * 2. force PHY working in MDI mode.
- - * 3. for PHY working in 1000BaseT.
- - * 4. configure the threshold.
- - */
- -
- - ret = at803x_debug_reg_mask(phydev, QCA808X_DBG_AN_TEST, QCA808X_HIBERNATION_EN, 0);
- - if (ret < 0)
- - return ret;
- -
- - ret = at803x_config_mdix(phydev, ETH_TP_MDI);
- - if (ret < 0)
- - return ret;
- -
- - /* Force 1000base-T needs to configure PMA/PMD and MII_BMCR */
- - phydev->duplex = DUPLEX_FULL;
- - phydev->speed = SPEED_1000;
- - ret = genphy_c45_pma_setup_forced(phydev);
- - if (ret < 0)
- - return ret;
- -
- - ret = genphy_setup_forced(phydev);
- - if (ret < 0)
- - return ret;
- -
- - /* configure the thresholds for open, short, pair ok test */
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8074, 0xc040);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8076, 0xc040);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8077, 0xa060);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8078, 0xc050);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807a, 0xc060);
- - phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807e, 0xb060);
- -
- - return 0;
- -}
- -
- -static int qca808x_cable_test_get_pair_status(struct phy_device *phydev, u8 pair,
- - u16 status)
- -{
- - int length, result;
- - u16 pair_code;
- -
- - switch (pair) {
- - case ETHTOOL_A_CABLE_PAIR_A:
- - pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, status);
- - break;
- - case ETHTOOL_A_CABLE_PAIR_B:
- - pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, status);
- - break;
- - case ETHTOOL_A_CABLE_PAIR_C:
- - pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, status);
- - break;
- - case ETHTOOL_A_CABLE_PAIR_D:
- - pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, status);
- - break;
- - default:
- - return -EINVAL;
- - }
- -
- - result = qca808x_cable_test_result_trans(pair_code);
- - ethnl_cable_test_result(phydev, pair, result);
- -
- - if (qca808x_cdt_fault_length_valid(pair_code)) {
- - length = qca808x_cdt_fault_length(phydev, pair, result);
- - ethnl_cable_test_fault_length(phydev, pair, length);
- - }
- -
- - return 0;
- -}
- -
- -static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished)
- -{
- - int ret, val;
- -
- - *finished = false;
- -
- - val = QCA808X_CDT_ENABLE_TEST |
- - QCA808X_CDT_LENGTH_UNIT;
- - ret = at803x_cdt_start(phydev, val);
- - if (ret)
- - return ret;
- -
- - ret = at803x_cdt_wait_for_completion(phydev, QCA808X_CDT_ENABLE_TEST);
- - if (ret)
- - return ret;
- -
- - val = phy_read_mmd(phydev, MDIO_MMD_PCS, QCA808X_MMD3_CDT_STATUS);
- - if (val < 0)
- - return val;
- -
- - ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
- - if (ret)
- - return ret;
- -
- - ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
- - if (ret)
- - return ret;
- -
- - ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
- - if (ret)
- - return ret;
- -
- - ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
- - if (ret)
- - return ret;
- -
- - *finished = true;
- -
- - return 0;
- -}
- -
- -static int qca808x_get_features(struct phy_device *phydev)
- -{
- - int ret;
- -
- - ret = genphy_c45_pma_read_abilities(phydev);
- - if (ret)
- - return ret;
- -
- - /* The autoneg ability is not existed in bit3 of MMD7.1,
- - * but it is supported by qca808x PHY, so we add it here
- - * manually.
- - */
- - linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported);
- -
- - /* As for the qca8081 1G version chip, the 2500baseT ability is also
- - * existed in the bit0 of MMD1.21, we need to remove it manually if
- - * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d.
- - */
- - ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
- - if (ret < 0)
- - return ret;
- -
- - if (QCA808X_PHY_CHIP_TYPE_1G & ret)
- - linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
- -
- - return 0;
- -}
- -
- -static int qca808x_config_aneg(struct phy_device *phydev)
- -{
- - int phy_ctrl = 0;
- - int ret;
- -
- - ret = at803x_prepare_config_aneg(phydev);
- - if (ret)
- - return ret;
- -
- - /* The reg MII_BMCR also needs to be configured for force mode, the
- - * genphy_config_aneg is also needed.
- - */
- - if (phydev->autoneg == AUTONEG_DISABLE)
- - genphy_c45_pma_setup_forced(phydev);
- -
- - if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
- - phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
- -
- - ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
- - MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
- - if (ret < 0)
- - return ret;
- -
- - return __genphy_config_aneg(phydev, ret);
- -}
- -
- -static void qca808x_link_change_notify(struct phy_device *phydev)
- -{
- - /* Assert interface sgmii fifo on link down, deassert it on link up,
- - * the interface device address is always phy address added by 1.
- - */
- - mdiobus_c45_modify_changed(phydev->mdio.bus, phydev->mdio.addr + 1,
- - MDIO_MMD_PMAPMD, QCA8081_PHY_SERDES_MMD1_FIFO_CTRL,
- - QCA8081_PHY_FIFO_RSTN,
- - phydev->link ? QCA8081_PHY_FIFO_RSTN : 0);
- -}
- -
- -static int qca808x_led_parse_netdev(struct phy_device *phydev, unsigned long rules,
- - u16 *offload_trigger)
- -{
- - /* Parsing specific to netdev trigger */
- - if (test_bit(TRIGGER_NETDEV_TX, &rules))
- - *offload_trigger |= QCA808X_LED_TX_BLINK;
- - if (test_bit(TRIGGER_NETDEV_RX, &rules))
- - *offload_trigger |= QCA808X_LED_RX_BLINK;
- - if (test_bit(TRIGGER_NETDEV_LINK_10, &rules))
- - *offload_trigger |= QCA808X_LED_SPEED10_ON;
- - if (test_bit(TRIGGER_NETDEV_LINK_100, &rules))
- - *offload_trigger |= QCA808X_LED_SPEED100_ON;
- - if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules))
- - *offload_trigger |= QCA808X_LED_SPEED1000_ON;
- - if (test_bit(TRIGGER_NETDEV_LINK_2500, &rules))
- - *offload_trigger |= QCA808X_LED_SPEED2500_ON;
- - if (test_bit(TRIGGER_NETDEV_HALF_DUPLEX, &rules))
- - *offload_trigger |= QCA808X_LED_HALF_DUPLEX_ON;
- - if (test_bit(TRIGGER_NETDEV_FULL_DUPLEX, &rules))
- - *offload_trigger |= QCA808X_LED_FULL_DUPLEX_ON;
- -
- - if (rules && !*offload_trigger)
- - return -EOPNOTSUPP;
- -
- - /* Enable BLINK_CHECK_BYPASS by default to make the LED
- - * blink even with duplex or speed mode not enabled.
- - */
- - *offload_trigger |= QCA808X_LED_BLINK_CHECK_BYPASS;
- -
- - return 0;
- -}
- -
- -static int qca808x_led_hw_control_enable(struct phy_device *phydev, u8 index)
- -{
- - u16 reg;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- -
- - return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
- - QCA808X_LED_FORCE_EN);
- -}
- -
- -static int qca808x_led_hw_is_supported(struct phy_device *phydev, u8 index,
- - unsigned long rules)
- -{
- - u16 offload_trigger = 0;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - return qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
- -}
- -
- -static int qca808x_led_hw_control_set(struct phy_device *phydev, u8 index,
- - unsigned long rules)
- -{
- - u16 reg, offload_trigger = 0;
- - int ret;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - reg = QCA808X_MMD7_LED_CTRL(index);
- -
- - ret = qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
- - if (ret)
- - return ret;
- -
- - ret = qca808x_led_hw_control_enable(phydev, index);
- - if (ret)
- - return ret;
- -
- - return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- - QCA808X_LED_PATTERN_MASK,
- - offload_trigger);
- -}
- -
- -static bool qca808x_led_hw_control_status(struct phy_device *phydev, u8 index)
- -{
- - u16 reg;
- - int val;
- -
- - if (index > 2)
- - return false;
- -
- - reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- -
- - val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
- -
- - return !(val & QCA808X_LED_FORCE_EN);
- -}
- -
- -static int qca808x_led_hw_control_get(struct phy_device *phydev, u8 index,
- - unsigned long *rules)
- -{
- - u16 reg;
- - int val;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - /* Check if we have hw control enabled */
- - if (qca808x_led_hw_control_status(phydev, index))
- - return -EINVAL;
- -
- - reg = QCA808X_MMD7_LED_CTRL(index);
- -
- - val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
- - if (val & QCA808X_LED_TX_BLINK)
- - set_bit(TRIGGER_NETDEV_TX, rules);
- - if (val & QCA808X_LED_RX_BLINK)
- - set_bit(TRIGGER_NETDEV_RX, rules);
- - if (val & QCA808X_LED_SPEED10_ON)
- - set_bit(TRIGGER_NETDEV_LINK_10, rules);
- - if (val & QCA808X_LED_SPEED100_ON)
- - set_bit(TRIGGER_NETDEV_LINK_100, rules);
- - if (val & QCA808X_LED_SPEED1000_ON)
- - set_bit(TRIGGER_NETDEV_LINK_1000, rules);
- - if (val & QCA808X_LED_SPEED2500_ON)
- - set_bit(TRIGGER_NETDEV_LINK_2500, rules);
- - if (val & QCA808X_LED_HALF_DUPLEX_ON)
- - set_bit(TRIGGER_NETDEV_HALF_DUPLEX, rules);
- - if (val & QCA808X_LED_FULL_DUPLEX_ON)
- - set_bit(TRIGGER_NETDEV_FULL_DUPLEX, rules);
- -
- - return 0;
- -}
- -
- -static int qca808x_led_hw_control_reset(struct phy_device *phydev, u8 index)
- -{
- - u16 reg;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - reg = QCA808X_MMD7_LED_CTRL(index);
- -
- - return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
- - QCA808X_LED_PATTERN_MASK);
- -}
- -
- -static int qca808x_led_brightness_set(struct phy_device *phydev,
- - u8 index, enum led_brightness value)
- -{
- - u16 reg;
- - int ret;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - if (!value) {
- - ret = qca808x_led_hw_control_reset(phydev, index);
- - if (ret)
- - return ret;
- - }
- -
- - reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- -
- - return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- - QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
- - QCA808X_LED_FORCE_EN | value ? QCA808X_LED_FORCE_ON :
- - QCA808X_LED_FORCE_OFF);
- -}
- -
- -static int qca808x_led_blink_set(struct phy_device *phydev, u8 index,
- - unsigned long *delay_on,
- - unsigned long *delay_off)
- -{
- - int ret;
- - u16 reg;
- -
- - if (index > 2)
- - return -EINVAL;
- -
- - reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- -
- - /* Set blink to 50% off, 50% on at 4Hz by default */
- - ret = phy_modify_mmd(phydev, MDIO_MMD_AN, QCA808X_MMD7_LED_GLOBAL,
- - QCA808X_LED_BLINK_FREQ_MASK | QCA808X_LED_BLINK_DUTY_MASK,
- - QCA808X_LED_BLINK_FREQ_4HZ | QCA808X_LED_BLINK_DUTY_50_50);
- - if (ret)
- - return ret;
- -
- - /* We use BLINK_1 for normal blinking */
- - ret = phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- - QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
- - QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_BLINK_1);
- - if (ret)
- - return ret;
- -
- - /* We set blink to 4Hz, aka 250ms */
- - *delay_on = 250 / 2;
- - *delay_off = 250 / 2;
- -
- - return 0;
- -}
- -
- -static int qca808x_led_polarity_set(struct phy_device *phydev, int index,
- - unsigned long modes)
- -{
- - struct at803x_priv *priv = phydev->priv;
- - bool active_low = false;
- - u32 mode;
- -
- - for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
- - switch (mode) {
- - case PHY_LED_ACTIVE_LOW:
- - active_low = true;
- - break;
- - default:
- - return -EINVAL;
- - }
- - }
- -
- - /* PHY polarity is global and can't be set per LED.
- - * To detect this, check if last requested polarity mode
- - * match the new one.
- - */
- - if (priv->led_polarity_mode >= 0 &&
- - priv->led_polarity_mode != active_low) {
- - phydev_err(phydev, "PHY polarity is global. Mismatched polarity on different LED\n");
- - return -EINVAL;
- - }
- -
- - /* Save the last PHY polarity mode */
- - priv->led_polarity_mode = active_low;
- -
- - return phy_modify_mmd(phydev, MDIO_MMD_AN,
- - QCA808X_MMD7_LED_POLARITY_CTRL,
- - QCA808X_LED_ACTIVE_HIGH,
- - active_low ? 0 : QCA808X_LED_ACTIVE_HIGH);
- -}
- -
- -static struct phy_driver at803x_driver[] = {
- -{
- - /* Qualcomm Atheros AR8035 */
- - PHY_ID_MATCH_EXACT(ATH8035_PHY_ID),
- - .name = "Qualcomm Atheros AR8035",
- - .flags = PHY_POLL_CABLE_TEST,
- - .probe = at8035_probe,
- - .config_aneg = at803x_config_aneg,
- - .config_init = at803x_config_init,
- - .soft_reset = genphy_soft_reset,
- - .set_wol = at803x_set_wol,
- - .get_wol = at803x_get_wol,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - /* PHY_GBIT_FEATURES */
- - .read_status = at803x_read_status,
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .get_tunable = at803x_get_tunable,
- - .set_tunable = at803x_set_tunable,
- - .cable_test_start = at8031_cable_test_start,
- - .cable_test_get_status = at8031_cable_test_get_status,
- -}, {
- - /* Qualcomm Atheros AR8030 */
- - .phy_id = ATH8030_PHY_ID,
- - .name = "Qualcomm Atheros AR8030",
- - .phy_id_mask = AT8030_PHY_ID_MASK,
- - .probe = at8035_probe,
- - .config_init = at803x_config_init,
- - .link_change_notify = at803x_link_change_notify,
- - .set_wol = at803x_set_wol,
- - .get_wol = at803x_get_wol,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - /* PHY_BASIC_FEATURES */
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- -}, {
- - /* Qualcomm Atheros AR8031/AR8033 */
- - PHY_ID_MATCH_EXACT(ATH8031_PHY_ID),
- - .name = "Qualcomm Atheros AR8031/AR8033",
- - .flags = PHY_POLL_CABLE_TEST,
- - .probe = at8031_probe,
- - .config_init = at8031_config_init,
- - .config_aneg = at803x_config_aneg,
- - .soft_reset = genphy_soft_reset,
- - .set_wol = at8031_set_wol,
- - .get_wol = at803x_get_wol,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - .read_page = at803x_read_page,
- - .write_page = at803x_write_page,
- - .get_features = at803x_get_features,
- - .read_status = at8031_read_status,
- - .config_intr = at8031_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .get_tunable = at803x_get_tunable,
- - .set_tunable = at803x_set_tunable,
- - .cable_test_start = at8031_cable_test_start,
- - .cable_test_get_status = at8031_cable_test_get_status,
- -}, {
- - /* Qualcomm Atheros AR8032 */
- - PHY_ID_MATCH_EXACT(ATH8032_PHY_ID),
- - .name = "Qualcomm Atheros AR8032",
- - .probe = at803x_probe,
- - .flags = PHY_POLL_CABLE_TEST,
- - .config_init = at803x_config_init,
- - .link_change_notify = at803x_link_change_notify,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - /* PHY_BASIC_FEATURES */
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .cable_test_start = at803x_cable_test_start,
- - .cable_test_get_status = at8032_cable_test_get_status,
- -}, {
- - /* ATHEROS AR9331 */
- - PHY_ID_MATCH_EXACT(ATH9331_PHY_ID),
- - .name = "Qualcomm Atheros AR9331 built-in PHY",
- - .probe = at803x_probe,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - .flags = PHY_POLL_CABLE_TEST,
- - /* PHY_BASIC_FEATURES */
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .cable_test_start = at803x_cable_test_start,
- - .cable_test_get_status = at8032_cable_test_get_status,
- - .read_status = at803x_read_status,
- - .soft_reset = genphy_soft_reset,
- - .config_aneg = at803x_config_aneg,
- -}, {
- - /* Qualcomm Atheros QCA9561 */
- - PHY_ID_MATCH_EXACT(QCA9561_PHY_ID),
- - .name = "Qualcomm Atheros QCA9561 built-in PHY",
- - .probe = at803x_probe,
- - .suspend = at803x_suspend,
- - .resume = at803x_resume,
- - .flags = PHY_POLL_CABLE_TEST,
- - /* PHY_BASIC_FEATURES */
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .cable_test_start = at803x_cable_test_start,
- - .cable_test_get_status = at8032_cable_test_get_status,
- - .read_status = at803x_read_status,
- - .soft_reset = genphy_soft_reset,
- - .config_aneg = at803x_config_aneg,
- -}, {
- - /* QCA8337 */
- - .phy_id = QCA8337_PHY_ID,
- - .phy_id_mask = QCA8K_PHY_ID_MASK,
- - .name = "Qualcomm Atheros 8337 internal PHY",
- - /* PHY_GBIT_FEATURES */
- - .probe = at803x_probe,
- - .flags = PHY_IS_INTERNAL,
- - .config_init = qca83xx_config_init,
- - .soft_reset = genphy_soft_reset,
- - .get_sset_count = qca83xx_get_sset_count,
- - .get_strings = qca83xx_get_strings,
- - .get_stats = qca83xx_get_stats,
- - .suspend = qca8337_suspend,
- - .resume = qca83xx_resume,
- -}, {
- - /* QCA8327-A from switch QCA8327-AL1A */
- - .phy_id = QCA8327_A_PHY_ID,
- - .phy_id_mask = QCA8K_PHY_ID_MASK,
- - .name = "Qualcomm Atheros 8327-A internal PHY",
- - /* PHY_GBIT_FEATURES */
- - .link_change_notify = qca83xx_link_change_notify,
- - .probe = at803x_probe,
- - .flags = PHY_IS_INTERNAL,
- - .config_init = qca8327_config_init,
- - .soft_reset = genphy_soft_reset,
- - .get_sset_count = qca83xx_get_sset_count,
- - .get_strings = qca83xx_get_strings,
- - .get_stats = qca83xx_get_stats,
- - .suspend = qca8327_suspend,
- - .resume = qca83xx_resume,
- -}, {
- - /* QCA8327-B from switch QCA8327-BL1A */
- - .phy_id = QCA8327_B_PHY_ID,
- - .phy_id_mask = QCA8K_PHY_ID_MASK,
- - .name = "Qualcomm Atheros 8327-B internal PHY",
- - /* PHY_GBIT_FEATURES */
- - .link_change_notify = qca83xx_link_change_notify,
- - .probe = at803x_probe,
- - .flags = PHY_IS_INTERNAL,
- - .config_init = qca8327_config_init,
- - .soft_reset = genphy_soft_reset,
- - .get_sset_count = qca83xx_get_sset_count,
- - .get_strings = qca83xx_get_strings,
- - .get_stats = qca83xx_get_stats,
- - .suspend = qca8327_suspend,
- - .resume = qca83xx_resume,
- -}, {
- - /* Qualcomm QCA8081 */
- - PHY_ID_MATCH_EXACT(QCA8081_PHY_ID),
- - .name = "Qualcomm QCA8081",
- - .flags = PHY_POLL_CABLE_TEST,
- - .probe = at803x_probe,
- - .config_intr = at803x_config_intr,
- - .handle_interrupt = at803x_handle_interrupt,
- - .get_tunable = at803x_get_tunable,
- - .set_tunable = at803x_set_tunable,
- - .set_wol = at803x_set_wol,
- - .get_wol = at803x_get_wol,
- - .get_features = qca808x_get_features,
- - .config_aneg = qca808x_config_aneg,
- - .suspend = genphy_suspend,
- - .resume = genphy_resume,
- - .read_status = qca808x_read_status,
- - .config_init = qca808x_config_init,
- - .soft_reset = qca808x_soft_reset,
- - .cable_test_start = qca808x_cable_test_start,
- - .cable_test_get_status = qca808x_cable_test_get_status,
- - .link_change_notify = qca808x_link_change_notify,
- - .led_brightness_set = qca808x_led_brightness_set,
- - .led_blink_set = qca808x_led_blink_set,
- - .led_hw_is_supported = qca808x_led_hw_is_supported,
- - .led_hw_control_set = qca808x_led_hw_control_set,
- - .led_hw_control_get = qca808x_led_hw_control_get,
- - .led_polarity_set = qca808x_led_polarity_set,
- -}, };
- -
- -module_phy_driver(at803x_driver);
- -
- -static struct mdio_device_id __maybe_unused atheros_tbl[] = {
- - { ATH8030_PHY_ID, AT8030_PHY_ID_MASK },
- - { PHY_ID_MATCH_EXACT(ATH8031_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(ATH8032_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(ATH8035_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(QCA8337_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(QCA8327_A_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(QCA8327_B_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(QCA9561_PHY_ID) },
- - { PHY_ID_MATCH_EXACT(QCA8081_PHY_ID) },
- - { }
- -};
- -
- -MODULE_DEVICE_TABLE(mdio, atheros_tbl);
- --- /dev/null
- +++ b/drivers/net/phy/qcom/at803x.c
- @@ -0,0 +1,2759 @@
- +// SPDX-License-Identifier: GPL-2.0+
- +/*
- + * drivers/net/phy/at803x.c
- + *
- + * Driver for Qualcomm Atheros AR803x PHY
- + *
- + * Author: Matus Ujhelyi <[email protected]>
- + */
- +
- +#include <linux/phy.h>
- +#include <linux/module.h>
- +#include <linux/string.h>
- +#include <linux/netdevice.h>
- +#include <linux/etherdevice.h>
- +#include <linux/ethtool_netlink.h>
- +#include <linux/bitfield.h>
- +#include <linux/regulator/of_regulator.h>
- +#include <linux/regulator/driver.h>
- +#include <linux/regulator/consumer.h>
- +#include <linux/of.h>
- +#include <linux/phylink.h>
- +#include <linux/sfp.h>
- +#include <dt-bindings/net/qca-ar803x.h>
- +
- +#define AT803X_SPECIFIC_FUNCTION_CONTROL 0x10
- +#define AT803X_SFC_ASSERT_CRS BIT(11)
- +#define AT803X_SFC_FORCE_LINK BIT(10)
- +#define AT803X_SFC_MDI_CROSSOVER_MODE_M GENMASK(6, 5)
- +#define AT803X_SFC_AUTOMATIC_CROSSOVER 0x3
- +#define AT803X_SFC_MANUAL_MDIX 0x1
- +#define AT803X_SFC_MANUAL_MDI 0x0
- +#define AT803X_SFC_SQE_TEST BIT(2)
- +#define AT803X_SFC_POLARITY_REVERSAL BIT(1)
- +#define AT803X_SFC_DISABLE_JABBER BIT(0)
- +
- +#define AT803X_SPECIFIC_STATUS 0x11
- +#define AT803X_SS_SPEED_MASK GENMASK(15, 14)
- +#define AT803X_SS_SPEED_1000 2
- +#define AT803X_SS_SPEED_100 1
- +#define AT803X_SS_SPEED_10 0
- +#define AT803X_SS_DUPLEX BIT(13)
- +#define AT803X_SS_SPEED_DUPLEX_RESOLVED BIT(11)
- +#define AT803X_SS_MDIX BIT(6)
- +
- +#define QCA808X_SS_SPEED_MASK GENMASK(9, 7)
- +#define QCA808X_SS_SPEED_2500 4
- +
- +#define AT803X_INTR_ENABLE 0x12
- +#define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15)
- +#define AT803X_INTR_ENABLE_SPEED_CHANGED BIT(14)
- +#define AT803X_INTR_ENABLE_DUPLEX_CHANGED BIT(13)
- +#define AT803X_INTR_ENABLE_PAGE_RECEIVED BIT(12)
- +#define AT803X_INTR_ENABLE_LINK_FAIL BIT(11)
- +#define AT803X_INTR_ENABLE_LINK_SUCCESS BIT(10)
- +#define AT803X_INTR_ENABLE_LINK_FAIL_BX BIT(8)
- +#define AT803X_INTR_ENABLE_LINK_SUCCESS_BX BIT(7)
- +#define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE BIT(5)
- +#define AT803X_INTR_ENABLE_POLARITY_CHANGED BIT(1)
- +#define AT803X_INTR_ENABLE_WOL BIT(0)
- +
- +#define AT803X_INTR_STATUS 0x13
- +
- +#define AT803X_SMART_SPEED 0x14
- +#define AT803X_SMART_SPEED_ENABLE BIT(5)
- +#define AT803X_SMART_SPEED_RETRY_LIMIT_MASK GENMASK(4, 2)
- +#define AT803X_SMART_SPEED_BYPASS_TIMER BIT(1)
- +#define AT803X_CDT 0x16
- +#define AT803X_CDT_MDI_PAIR_MASK GENMASK(9, 8)
- +#define AT803X_CDT_ENABLE_TEST BIT(0)
- +#define AT803X_CDT_STATUS 0x1c
- +#define AT803X_CDT_STATUS_STAT_NORMAL 0
- +#define AT803X_CDT_STATUS_STAT_SHORT 1
- +#define AT803X_CDT_STATUS_STAT_OPEN 2
- +#define AT803X_CDT_STATUS_STAT_FAIL 3
- +#define AT803X_CDT_STATUS_STAT_MASK GENMASK(9, 8)
- +#define AT803X_CDT_STATUS_DELTA_TIME_MASK GENMASK(7, 0)
- +#define AT803X_LED_CONTROL 0x18
- +
- +#define AT803X_PHY_MMD3_WOL_CTRL 0x8012
- +#define AT803X_WOL_EN BIT(5)
- +#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C
- +#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
- +#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
- +#define AT803X_REG_CHIP_CONFIG 0x1f
- +#define AT803X_BT_BX_REG_SEL 0x8000
- +
- +#define AT803X_DEBUG_ADDR 0x1D
- +#define AT803X_DEBUG_DATA 0x1E
- +
- +#define AT803X_MODE_CFG_MASK 0x0F
- +#define AT803X_MODE_CFG_BASET_RGMII 0x00
- +#define AT803X_MODE_CFG_BASET_SGMII 0x01
- +#define AT803X_MODE_CFG_BX1000_RGMII_50OHM 0x02
- +#define AT803X_MODE_CFG_BX1000_RGMII_75OHM 0x03
- +#define AT803X_MODE_CFG_BX1000_CONV_50OHM 0x04
- +#define AT803X_MODE_CFG_BX1000_CONV_75OHM 0x05
- +#define AT803X_MODE_CFG_FX100_RGMII_50OHM 0x06
- +#define AT803X_MODE_CFG_FX100_CONV_50OHM 0x07
- +#define AT803X_MODE_CFG_RGMII_AUTO_MDET 0x0B
- +#define AT803X_MODE_CFG_FX100_RGMII_75OHM 0x0E
- +#define AT803X_MODE_CFG_FX100_CONV_75OHM 0x0F
- +
- +#define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/
- +#define AT803X_PSSR_MR_AN_COMPLETE 0x0200
- +
- +#define AT803X_DEBUG_ANALOG_TEST_CTRL 0x00
- +#define QCA8327_DEBUG_MANU_CTRL_EN BIT(2)
- +#define QCA8337_DEBUG_MANU_CTRL_EN GENMASK(3, 2)
- +#define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15)
- +
- +#define AT803X_DEBUG_SYSTEM_CTRL_MODE 0x05
- +#define AT803X_DEBUG_TX_CLK_DLY_EN BIT(8)
- +
- +#define AT803X_DEBUG_REG_HIB_CTRL 0x0b
- +#define AT803X_DEBUG_HIB_CTRL_SEL_RST_80U BIT(10)
- +#define AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE BIT(13)
- +#define AT803X_DEBUG_HIB_CTRL_PS_HIB_EN BIT(15)
- +
- +#define AT803X_DEBUG_REG_3C 0x3C
- +
- +#define AT803X_DEBUG_REG_GREEN 0x3D
- +#define AT803X_DEBUG_GATE_CLK_IN1000 BIT(6)
- +
- +#define AT803X_DEBUG_REG_1F 0x1F
- +#define AT803X_DEBUG_PLL_ON BIT(2)
- +#define AT803X_DEBUG_RGMII_1V8 BIT(3)
- +
- +#define MDIO_AZ_DEBUG 0x800D
- +
- +/* AT803x supports either the XTAL input pad, an internal PLL or the
- + * DSP as clock reference for the clock output pad. The XTAL reference
- + * is only used for 25 MHz output, all other frequencies need the PLL.
- + * The DSP as a clock reference is used in synchronous ethernet
- + * applications.
- + *
- + * By default the PLL is only enabled if there is a link. Otherwise
- + * the PHY will go into low power state and disabled the PLL. You can
- + * set the PLL_ON bit (see debug register 0x1f) to keep the PLL always
- + * enabled.
- + */
- +#define AT803X_MMD7_CLK25M 0x8016
- +#define AT803X_CLK_OUT_MASK GENMASK(4, 2)
- +#define AT803X_CLK_OUT_25MHZ_XTAL 0
- +#define AT803X_CLK_OUT_25MHZ_DSP 1
- +#define AT803X_CLK_OUT_50MHZ_PLL 2
- +#define AT803X_CLK_OUT_50MHZ_DSP 3
- +#define AT803X_CLK_OUT_62_5MHZ_PLL 4
- +#define AT803X_CLK_OUT_62_5MHZ_DSP 5
- +#define AT803X_CLK_OUT_125MHZ_PLL 6
- +#define AT803X_CLK_OUT_125MHZ_DSP 7
- +
- +/* The AR8035 has another mask which is compatible with the AR8031/AR8033 mask
- + * but doesn't support choosing between XTAL/PLL and DSP.
- + */
- +#define AT8035_CLK_OUT_MASK GENMASK(4, 3)
- +
- +#define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7)
- +#define AT803X_CLK_OUT_STRENGTH_FULL 0
- +#define AT803X_CLK_OUT_STRENGTH_HALF 1
- +#define AT803X_CLK_OUT_STRENGTH_QUARTER 2
- +
- +#define AT803X_DEFAULT_DOWNSHIFT 5
- +#define AT803X_MIN_DOWNSHIFT 2
- +#define AT803X_MAX_DOWNSHIFT 9
- +
- +#define AT803X_MMD3_SMARTEEE_CTL1 0x805b
- +#define AT803X_MMD3_SMARTEEE_CTL2 0x805c
- +#define AT803X_MMD3_SMARTEEE_CTL3 0x805d
- +#define AT803X_MMD3_SMARTEEE_CTL3_LPI_EN BIT(8)
- +
- +#define ATH9331_PHY_ID 0x004dd041
- +#define ATH8030_PHY_ID 0x004dd076
- +#define ATH8031_PHY_ID 0x004dd074
- +#define ATH8032_PHY_ID 0x004dd023
- +#define ATH8035_PHY_ID 0x004dd072
- +#define AT8030_PHY_ID_MASK 0xffffffef
- +
- +#define QCA8081_PHY_ID 0x004dd101
- +
- +#define QCA8327_A_PHY_ID 0x004dd033
- +#define QCA8327_B_PHY_ID 0x004dd034
- +#define QCA8337_PHY_ID 0x004dd036
- +#define QCA9561_PHY_ID 0x004dd042
- +#define QCA8K_PHY_ID_MASK 0xffffffff
- +
- +#define QCA8K_DEVFLAGS_REVISION_MASK GENMASK(2, 0)
- +
- +#define AT803X_PAGE_FIBER 0
- +#define AT803X_PAGE_COPPER 1
- +
- +/* don't turn off internal PLL */
- +#define AT803X_KEEP_PLL_ENABLED BIT(0)
- +#define AT803X_DISABLE_SMARTEEE BIT(1)
- +
- +/* disable hibernation mode */
- +#define AT803X_DISABLE_HIBERNATION_MODE BIT(2)
- +
- +/* ADC threshold */
- +#define QCA808X_PHY_DEBUG_ADC_THRESHOLD 0x2c80
- +#define QCA808X_ADC_THRESHOLD_MASK GENMASK(7, 0)
- +#define QCA808X_ADC_THRESHOLD_80MV 0
- +#define QCA808X_ADC_THRESHOLD_100MV 0xf0
- +#define QCA808X_ADC_THRESHOLD_200MV 0x0f
- +#define QCA808X_ADC_THRESHOLD_300MV 0xff
- +
- +/* CLD control */
- +#define QCA808X_PHY_MMD3_ADDR_CLD_CTRL7 0x8007
- +#define QCA808X_8023AZ_AFE_CTRL_MASK GENMASK(8, 4)
- +#define QCA808X_8023AZ_AFE_EN 0x90
- +
- +/* AZ control */
- +#define QCA808X_PHY_MMD3_AZ_TRAINING_CTRL 0x8008
- +#define QCA808X_MMD3_AZ_TRAINING_VAL 0x1c32
- +
- +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB 0x8014
- +#define QCA808X_MSE_THRESHOLD_20DB_VALUE 0x529
- +
- +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB 0x800E
- +#define QCA808X_MSE_THRESHOLD_17DB_VALUE 0x341
- +
- +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB 0x801E
- +#define QCA808X_MSE_THRESHOLD_27DB_VALUE 0x419
- +
- +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB 0x8020
- +#define QCA808X_MSE_THRESHOLD_28DB_VALUE 0x341
- +
- +#define QCA808X_PHY_MMD7_TOP_OPTION1 0x901c
- +#define QCA808X_TOP_OPTION1_DATA 0x0
- +
- +#define QCA808X_PHY_MMD3_DEBUG_1 0xa100
- +#define QCA808X_MMD3_DEBUG_1_VALUE 0x9203
- +#define QCA808X_PHY_MMD3_DEBUG_2 0xa101
- +#define QCA808X_MMD3_DEBUG_2_VALUE 0x48ad
- +#define QCA808X_PHY_MMD3_DEBUG_3 0xa103
- +#define QCA808X_MMD3_DEBUG_3_VALUE 0x1698
- +#define QCA808X_PHY_MMD3_DEBUG_4 0xa105
- +#define QCA808X_MMD3_DEBUG_4_VALUE 0x8001
- +#define QCA808X_PHY_MMD3_DEBUG_5 0xa106
- +#define QCA808X_MMD3_DEBUG_5_VALUE 0x1111
- +#define QCA808X_PHY_MMD3_DEBUG_6 0xa011
- +#define QCA808X_MMD3_DEBUG_6_VALUE 0x5f85
- +
- +/* master/slave seed config */
- +#define QCA808X_PHY_DEBUG_LOCAL_SEED 9
- +#define QCA808X_MASTER_SLAVE_SEED_ENABLE BIT(1)
- +#define QCA808X_MASTER_SLAVE_SEED_CFG GENMASK(12, 2)
- +#define QCA808X_MASTER_SLAVE_SEED_RANGE 0x32
- +
- +/* Hibernation yields lower power consumpiton in contrast with normal operation mode.
- + * when the copper cable is unplugged, the PHY enters into hibernation mode in about 10s.
- + */
- +#define QCA808X_DBG_AN_TEST 0xb
- +#define QCA808X_HIBERNATION_EN BIT(15)
- +
- +#define QCA808X_CDT_ENABLE_TEST BIT(15)
- +#define QCA808X_CDT_INTER_CHECK_DIS BIT(13)
- +#define QCA808X_CDT_STATUS BIT(11)
- +#define QCA808X_CDT_LENGTH_UNIT BIT(10)
- +
- +#define QCA808X_MMD3_CDT_STATUS 0x8064
- +#define QCA808X_MMD3_CDT_DIAG_PAIR_A 0x8065
- +#define QCA808X_MMD3_CDT_DIAG_PAIR_B 0x8066
- +#define QCA808X_MMD3_CDT_DIAG_PAIR_C 0x8067
- +#define QCA808X_MMD3_CDT_DIAG_PAIR_D 0x8068
- +#define QCA808X_CDT_DIAG_LENGTH_SAME_SHORT GENMASK(15, 8)
- +#define QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT GENMASK(7, 0)
- +
- +#define QCA808X_CDT_CODE_PAIR_A GENMASK(15, 12)
- +#define QCA808X_CDT_CODE_PAIR_B GENMASK(11, 8)
- +#define QCA808X_CDT_CODE_PAIR_C GENMASK(7, 4)
- +#define QCA808X_CDT_CODE_PAIR_D GENMASK(3, 0)
- +
- +#define QCA808X_CDT_STATUS_STAT_TYPE GENMASK(1, 0)
- +#define QCA808X_CDT_STATUS_STAT_FAIL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 0)
- +#define QCA808X_CDT_STATUS_STAT_NORMAL FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 1)
- +#define QCA808X_CDT_STATUS_STAT_SAME_OPEN FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 2)
- +#define QCA808X_CDT_STATUS_STAT_SAME_SHORT FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 3)
- +
- +#define QCA808X_CDT_STATUS_STAT_MDI GENMASK(3, 2)
- +#define QCA808X_CDT_STATUS_STAT_MDI1 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 1)
- +#define QCA808X_CDT_STATUS_STAT_MDI2 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 2)
- +#define QCA808X_CDT_STATUS_STAT_MDI3 FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 3)
- +
- +/* NORMAL are MDI with type set to 0 */
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI1
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- + QCA808X_CDT_STATUS_STAT_MDI1)
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- + QCA808X_CDT_STATUS_STAT_MDI1)
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI2
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- + QCA808X_CDT_STATUS_STAT_MDI2)
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- + QCA808X_CDT_STATUS_STAT_MDI2)
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL QCA808X_CDT_STATUS_STAT_MDI3
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN (QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
- + QCA808X_CDT_STATUS_STAT_MDI3)
- +#define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT (QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
- + QCA808X_CDT_STATUS_STAT_MDI3)
- +
- +/* Added for reference of existence but should be handled by wait_for_completion already */
- +#define QCA808X_CDT_STATUS_STAT_BUSY (BIT(1) | BIT(3))
- +
- +#define QCA808X_MMD7_LED_GLOBAL 0x8073
- +#define QCA808X_LED_BLINK_1 GENMASK(11, 6)
- +#define QCA808X_LED_BLINK_2 GENMASK(5, 0)
- +/* Values are the same for both BLINK_1 and BLINK_2 */
- +#define QCA808X_LED_BLINK_FREQ_MASK GENMASK(5, 3)
- +#define QCA808X_LED_BLINK_FREQ_2HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x0)
- +#define QCA808X_LED_BLINK_FREQ_4HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x1)
- +#define QCA808X_LED_BLINK_FREQ_8HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x2)
- +#define QCA808X_LED_BLINK_FREQ_16HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x3)
- +#define QCA808X_LED_BLINK_FREQ_32HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x4)
- +#define QCA808X_LED_BLINK_FREQ_64HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x5)
- +#define QCA808X_LED_BLINK_FREQ_128HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x6)
- +#define QCA808X_LED_BLINK_FREQ_256HZ FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x7)
- +#define QCA808X_LED_BLINK_DUTY_MASK GENMASK(2, 0)
- +#define QCA808X_LED_BLINK_DUTY_50_50 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x0)
- +#define QCA808X_LED_BLINK_DUTY_75_25 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x1)
- +#define QCA808X_LED_BLINK_DUTY_25_75 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x2)
- +#define QCA808X_LED_BLINK_DUTY_33_67 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x3)
- +#define QCA808X_LED_BLINK_DUTY_67_33 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x4)
- +#define QCA808X_LED_BLINK_DUTY_17_83 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x5)
- +#define QCA808X_LED_BLINK_DUTY_83_17 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x6)
- +#define QCA808X_LED_BLINK_DUTY_8_92 FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x7)
- +
- +#define QCA808X_MMD7_LED2_CTRL 0x8074
- +#define QCA808X_MMD7_LED2_FORCE_CTRL 0x8075
- +#define QCA808X_MMD7_LED1_CTRL 0x8076
- +#define QCA808X_MMD7_LED1_FORCE_CTRL 0x8077
- +#define QCA808X_MMD7_LED0_CTRL 0x8078
- +#define QCA808X_MMD7_LED_CTRL(x) (0x8078 - ((x) * 2))
- +
- +/* LED hw control pattern is the same for every LED */
- +#define QCA808X_LED_PATTERN_MASK GENMASK(15, 0)
- +#define QCA808X_LED_SPEED2500_ON BIT(15)
- +#define QCA808X_LED_SPEED2500_BLINK BIT(14)
- +/* Follow blink trigger even if duplex or speed condition doesn't match */
- +#define QCA808X_LED_BLINK_CHECK_BYPASS BIT(13)
- +#define QCA808X_LED_FULL_DUPLEX_ON BIT(12)
- +#define QCA808X_LED_HALF_DUPLEX_ON BIT(11)
- +#define QCA808X_LED_TX_BLINK BIT(10)
- +#define QCA808X_LED_RX_BLINK BIT(9)
- +#define QCA808X_LED_TX_ON_10MS BIT(8)
- +#define QCA808X_LED_RX_ON_10MS BIT(7)
- +#define QCA808X_LED_SPEED1000_ON BIT(6)
- +#define QCA808X_LED_SPEED100_ON BIT(5)
- +#define QCA808X_LED_SPEED10_ON BIT(4)
- +#define QCA808X_LED_COLLISION_BLINK BIT(3)
- +#define QCA808X_LED_SPEED1000_BLINK BIT(2)
- +#define QCA808X_LED_SPEED100_BLINK BIT(1)
- +#define QCA808X_LED_SPEED10_BLINK BIT(0)
- +
- +#define QCA808X_MMD7_LED0_FORCE_CTRL 0x8079
- +#define QCA808X_MMD7_LED_FORCE_CTRL(x) (0x8079 - ((x) * 2))
- +
- +/* LED force ctrl is the same for every LED
- + * No documentation exist for this, not even internal one
- + * with NDA as QCOM gives only info about configuring
- + * hw control pattern rules and doesn't indicate any way
- + * to force the LED to specific mode.
- + * These define comes from reverse and testing and maybe
- + * lack of some info or some info are not entirely correct.
- + * For the basic LED control and hw control these finding
- + * are enough to support LED control in all the required APIs.
- + *
- + * On doing some comparison with implementation with qca807x,
- + * it was found that it's 1:1 equal to it and confirms all the
- + * reverse done. It was also found further specification with the
- + * force mode and the blink modes.
- + */
- +#define QCA808X_LED_FORCE_EN BIT(15)
- +#define QCA808X_LED_FORCE_MODE_MASK GENMASK(14, 13)
- +#define QCA808X_LED_FORCE_BLINK_1 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x3)
- +#define QCA808X_LED_FORCE_BLINK_2 FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x2)
- +#define QCA808X_LED_FORCE_ON FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x1)
- +#define QCA808X_LED_FORCE_OFF FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x0)
- +
- +#define QCA808X_MMD7_LED_POLARITY_CTRL 0x901a
- +/* QSDK sets by default 0x46 to this reg that sets BIT 6 for
- + * LED to active high. It's not clear what BIT 3 and BIT 4 does.
- + */
- +#define QCA808X_LED_ACTIVE_HIGH BIT(6)
- +
- +/* QCA808X 1G chip type */
- +#define QCA808X_PHY_MMD7_CHIP_TYPE 0x901d
- +#define QCA808X_PHY_CHIP_TYPE_1G BIT(0)
- +
- +#define QCA8081_PHY_SERDES_MMD1_FIFO_CTRL 0x9072
- +#define QCA8081_PHY_FIFO_RSTN BIT(11)
- +
- +MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver");
- +MODULE_AUTHOR("Matus Ujhelyi");
- +MODULE_LICENSE("GPL");
- +
- +enum stat_access_type {
- + PHY,
- + MMD
- +};
- +
- +struct at803x_hw_stat {
- + const char *string;
- + u8 reg;
- + u32 mask;
- + enum stat_access_type access_type;
- +};
- +
- +static struct at803x_hw_stat qca83xx_hw_stats[] = {
- + { "phy_idle_errors", 0xa, GENMASK(7, 0), PHY},
- + { "phy_receive_errors", 0x15, GENMASK(15, 0), PHY},
- + { "eee_wake_errors", 0x16, GENMASK(15, 0), MMD},
- +};
- +
- +struct at803x_ss_mask {
- + u16 speed_mask;
- + u8 speed_shift;
- +};
- +
- +struct at803x_priv {
- + int flags;
- + u16 clk_25m_reg;
- + u16 clk_25m_mask;
- + u8 smarteee_lpi_tw_1g;
- + u8 smarteee_lpi_tw_100m;
- + bool is_fiber;
- + bool is_1000basex;
- + struct regulator_dev *vddio_rdev;
- + struct regulator_dev *vddh_rdev;
- + u64 stats[ARRAY_SIZE(qca83xx_hw_stats)];
- + int led_polarity_mode;
- +};
- +
- +struct at803x_context {
- + u16 bmcr;
- + u16 advertise;
- + u16 control1000;
- + u16 int_enable;
- + u16 smart_speed;
- + u16 led_control;
- +};
- +
- +static int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data)
- +{
- + int ret;
- +
- + ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
- + if (ret < 0)
- + return ret;
- +
- + return phy_write(phydev, AT803X_DEBUG_DATA, data);
- +}
- +
- +static int at803x_debug_reg_read(struct phy_device *phydev, u16 reg)
- +{
- + int ret;
- +
- + ret = phy_write(phydev, AT803X_DEBUG_ADDR, reg);
- + if (ret < 0)
- + return ret;
- +
- + return phy_read(phydev, AT803X_DEBUG_DATA);
- +}
- +
- +static int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
- + u16 clear, u16 set)
- +{
- + u16 val;
- + int ret;
- +
- + ret = at803x_debug_reg_read(phydev, reg);
- + if (ret < 0)
- + return ret;
- +
- + val = ret & 0xffff;
- + val &= ~clear;
- + val |= set;
- +
- + return phy_write(phydev, AT803X_DEBUG_DATA, val);
- +}
- +
- +static int at803x_write_page(struct phy_device *phydev, int page)
- +{
- + int mask;
- + int set;
- +
- + if (page == AT803X_PAGE_COPPER) {
- + set = AT803X_BT_BX_REG_SEL;
- + mask = 0;
- + } else {
- + set = 0;
- + mask = AT803X_BT_BX_REG_SEL;
- + }
- +
- + return __phy_modify(phydev, AT803X_REG_CHIP_CONFIG, mask, set);
- +}
- +
- +static int at803x_read_page(struct phy_device *phydev)
- +{
- + int ccr = __phy_read(phydev, AT803X_REG_CHIP_CONFIG);
- +
- + if (ccr < 0)
- + return ccr;
- +
- + if (ccr & AT803X_BT_BX_REG_SEL)
- + return AT803X_PAGE_COPPER;
- +
- + return AT803X_PAGE_FIBER;
- +}
- +
- +static int at803x_enable_rx_delay(struct phy_device *phydev)
- +{
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0,
- + AT803X_DEBUG_RX_CLK_DLY_EN);
- +}
- +
- +static int at803x_enable_tx_delay(struct phy_device *phydev)
- +{
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0,
- + AT803X_DEBUG_TX_CLK_DLY_EN);
- +}
- +
- +static int at803x_disable_rx_delay(struct phy_device *phydev)
- +{
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- + AT803X_DEBUG_RX_CLK_DLY_EN, 0);
- +}
- +
- +static int at803x_disable_tx_delay(struct phy_device *phydev)
- +{
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE,
- + AT803X_DEBUG_TX_CLK_DLY_EN, 0);
- +}
- +
- +/* save relevant PHY registers to private copy */
- +static void at803x_context_save(struct phy_device *phydev,
- + struct at803x_context *context)
- +{
- + context->bmcr = phy_read(phydev, MII_BMCR);
- + context->advertise = phy_read(phydev, MII_ADVERTISE);
- + context->control1000 = phy_read(phydev, MII_CTRL1000);
- + context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE);
- + context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED);
- + context->led_control = phy_read(phydev, AT803X_LED_CONTROL);
- +}
- +
- +/* restore relevant PHY registers from private copy */
- +static void at803x_context_restore(struct phy_device *phydev,
- + const struct at803x_context *context)
- +{
- + phy_write(phydev, MII_BMCR, context->bmcr);
- + phy_write(phydev, MII_ADVERTISE, context->advertise);
- + phy_write(phydev, MII_CTRL1000, context->control1000);
- + phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable);
- + phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed);
- + phy_write(phydev, AT803X_LED_CONTROL, context->led_control);
- +}
- +
- +static int at803x_set_wol(struct phy_device *phydev,
- + struct ethtool_wolinfo *wol)
- +{
- + int ret, irq_enabled;
- +
- + if (wol->wolopts & WAKE_MAGIC) {
- + struct net_device *ndev = phydev->attached_dev;
- + const u8 *mac;
- + unsigned int i;
- + static const unsigned int offsets[] = {
- + AT803X_LOC_MAC_ADDR_32_47_OFFSET,
- + AT803X_LOC_MAC_ADDR_16_31_OFFSET,
- + AT803X_LOC_MAC_ADDR_0_15_OFFSET,
- + };
- +
- + if (!ndev)
- + return -ENODEV;
- +
- + mac = (const u8 *)ndev->dev_addr;
- +
- + if (!is_valid_ether_addr(mac))
- + return -EINVAL;
- +
- + for (i = 0; i < 3; i++)
- + phy_write_mmd(phydev, MDIO_MMD_PCS, offsets[i],
- + mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
- +
- + /* Enable WOL interrupt */
- + ret = phy_modify(phydev, AT803X_INTR_ENABLE, 0, AT803X_INTR_ENABLE_WOL);
- + if (ret)
- + return ret;
- + } else {
- + /* Disable WOL interrupt */
- + ret = phy_modify(phydev, AT803X_INTR_ENABLE, AT803X_INTR_ENABLE_WOL, 0);
- + if (ret)
- + return ret;
- + }
- +
- + /* Clear WOL status */
- + ret = phy_read(phydev, AT803X_INTR_STATUS);
- + if (ret < 0)
- + return ret;
- +
- + /* Check if there are other interrupts except for WOL triggered when PHY is
- + * in interrupt mode, only the interrupts enabled by AT803X_INTR_ENABLE can
- + * be passed up to the interrupt PIN.
- + */
- + irq_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
- + if (irq_enabled < 0)
- + return irq_enabled;
- +
- + irq_enabled &= ~AT803X_INTR_ENABLE_WOL;
- + if (ret & irq_enabled && !phy_polling_mode(phydev))
- + phy_trigger_machine(phydev);
- +
- + return 0;
- +}
- +
- +static void at803x_get_wol(struct phy_device *phydev,
- + struct ethtool_wolinfo *wol)
- +{
- + int value;
- +
- + wol->supported = WAKE_MAGIC;
- + wol->wolopts = 0;
- +
- + value = phy_read(phydev, AT803X_INTR_ENABLE);
- + if (value < 0)
- + return;
- +
- + if (value & AT803X_INTR_ENABLE_WOL)
- + wol->wolopts |= WAKE_MAGIC;
- +}
- +
- +static int qca83xx_get_sset_count(struct phy_device *phydev)
- +{
- + return ARRAY_SIZE(qca83xx_hw_stats);
- +}
- +
- +static void qca83xx_get_strings(struct phy_device *phydev, u8 *data)
- +{
- + int i;
- +
- + for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++) {
- + strscpy(data + i * ETH_GSTRING_LEN,
- + qca83xx_hw_stats[i].string, ETH_GSTRING_LEN);
- + }
- +}
- +
- +static u64 qca83xx_get_stat(struct phy_device *phydev, int i)
- +{
- + struct at803x_hw_stat stat = qca83xx_hw_stats[i];
- + struct at803x_priv *priv = phydev->priv;
- + int val;
- + u64 ret;
- +
- + if (stat.access_type == MMD)
- + val = phy_read_mmd(phydev, MDIO_MMD_PCS, stat.reg);
- + else
- + val = phy_read(phydev, stat.reg);
- +
- + if (val < 0) {
- + ret = U64_MAX;
- + } else {
- + val = val & stat.mask;
- + priv->stats[i] += val;
- + ret = priv->stats[i];
- + }
- +
- + return ret;
- +}
- +
- +static void qca83xx_get_stats(struct phy_device *phydev,
- + struct ethtool_stats *stats, u64 *data)
- +{
- + int i;
- +
- + for (i = 0; i < ARRAY_SIZE(qca83xx_hw_stats); i++)
- + data[i] = qca83xx_get_stat(phydev, i);
- +}
- +
- +static int at803x_suspend(struct phy_device *phydev)
- +{
- + int value;
- + int wol_enabled;
- +
- + value = phy_read(phydev, AT803X_INTR_ENABLE);
- + wol_enabled = value & AT803X_INTR_ENABLE_WOL;
- +
- + if (wol_enabled)
- + value = BMCR_ISOLATE;
- + else
- + value = BMCR_PDOWN;
- +
- + phy_modify(phydev, MII_BMCR, 0, value);
- +
- + return 0;
- +}
- +
- +static int at803x_resume(struct phy_device *phydev)
- +{
- + return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
- +}
- +
- +static int at803x_parse_dt(struct phy_device *phydev)
- +{
- + struct device_node *node = phydev->mdio.dev.of_node;
- + struct at803x_priv *priv = phydev->priv;
- + u32 freq, strength, tw;
- + unsigned int sel;
- + int ret;
- +
- + if (!IS_ENABLED(CONFIG_OF_MDIO))
- + return 0;
- +
- + if (of_property_read_bool(node, "qca,disable-smarteee"))
- + priv->flags |= AT803X_DISABLE_SMARTEEE;
- +
- + if (of_property_read_bool(node, "qca,disable-hibernation-mode"))
- + priv->flags |= AT803X_DISABLE_HIBERNATION_MODE;
- +
- + if (!of_property_read_u32(node, "qca,smarteee-tw-us-1g", &tw)) {
- + if (!tw || tw > 255) {
- + phydev_err(phydev, "invalid qca,smarteee-tw-us-1g\n");
- + return -EINVAL;
- + }
- + priv->smarteee_lpi_tw_1g = tw;
- + }
- +
- + if (!of_property_read_u32(node, "qca,smarteee-tw-us-100m", &tw)) {
- + if (!tw || tw > 255) {
- + phydev_err(phydev, "invalid qca,smarteee-tw-us-100m\n");
- + return -EINVAL;
- + }
- + priv->smarteee_lpi_tw_100m = tw;
- + }
- +
- + ret = of_property_read_u32(node, "qca,clk-out-frequency", &freq);
- + if (!ret) {
- + switch (freq) {
- + case 25000000:
- + sel = AT803X_CLK_OUT_25MHZ_XTAL;
- + break;
- + case 50000000:
- + sel = AT803X_CLK_OUT_50MHZ_PLL;
- + break;
- + case 62500000:
- + sel = AT803X_CLK_OUT_62_5MHZ_PLL;
- + break;
- + case 125000000:
- + sel = AT803X_CLK_OUT_125MHZ_PLL;
- + break;
- + default:
- + phydev_err(phydev, "invalid qca,clk-out-frequency\n");
- + return -EINVAL;
- + }
- +
- + priv->clk_25m_reg |= FIELD_PREP(AT803X_CLK_OUT_MASK, sel);
- + priv->clk_25m_mask |= AT803X_CLK_OUT_MASK;
- + }
- +
- + ret = of_property_read_u32(node, "qca,clk-out-strength", &strength);
- + if (!ret) {
- + priv->clk_25m_mask |= AT803X_CLK_OUT_STRENGTH_MASK;
- + switch (strength) {
- + case AR803X_STRENGTH_FULL:
- + priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_FULL;
- + break;
- + case AR803X_STRENGTH_HALF:
- + priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_HALF;
- + break;
- + case AR803X_STRENGTH_QUARTER:
- + priv->clk_25m_reg |= AT803X_CLK_OUT_STRENGTH_QUARTER;
- + break;
- + default:
- + phydev_err(phydev, "invalid qca,clk-out-strength\n");
- + return -EINVAL;
- + }
- + }
- +
- + return 0;
- +}
- +
- +static int at803x_probe(struct phy_device *phydev)
- +{
- + struct device *dev = &phydev->mdio.dev;
- + struct at803x_priv *priv;
- + int ret;
- +
- + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- + if (!priv)
- + return -ENOMEM;
- +
- + /* Init LED polarity mode to -1 */
- + priv->led_polarity_mode = -1;
- +
- + phydev->priv = priv;
- +
- + ret = at803x_parse_dt(phydev);
- + if (ret)
- + return ret;
- +
- + return 0;
- +}
- +
- +static int at803x_get_features(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + int err;
- +
- + err = genphy_read_abilities(phydev);
- + if (err)
- + return err;
- +
- + if (phydev->drv->phy_id != ATH8031_PHY_ID)
- + return 0;
- +
- + /* AR8031/AR8033 have different status registers
- + * for copper and fiber operation. However, the
- + * extended status register is the same for both
- + * operation modes.
- + *
- + * As a result of that, ESTATUS_1000_XFULL is set
- + * to 1 even when operating in copper TP mode.
- + *
- + * Remove this mode from the supported link modes
- + * when not operating in 1000BaseX mode.
- + */
- + if (!priv->is_1000basex)
- + linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
- + phydev->supported);
- +
- + return 0;
- +}
- +
- +static int at803x_smarteee_config(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + u16 mask = 0, val = 0;
- + int ret;
- +
- + if (priv->flags & AT803X_DISABLE_SMARTEEE)
- + return phy_modify_mmd(phydev, MDIO_MMD_PCS,
- + AT803X_MMD3_SMARTEEE_CTL3,
- + AT803X_MMD3_SMARTEEE_CTL3_LPI_EN, 0);
- +
- + if (priv->smarteee_lpi_tw_1g) {
- + mask |= 0xff00;
- + val |= priv->smarteee_lpi_tw_1g << 8;
- + }
- + if (priv->smarteee_lpi_tw_100m) {
- + mask |= 0x00ff;
- + val |= priv->smarteee_lpi_tw_100m;
- + }
- + if (!mask)
- + return 0;
- +
- + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL1,
- + mask, val);
- + if (ret)
- + return ret;
- +
- + return phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL3,
- + AT803X_MMD3_SMARTEEE_CTL3_LPI_EN,
- + AT803X_MMD3_SMARTEEE_CTL3_LPI_EN);
- +}
- +
- +static int at803x_clk_out_config(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- +
- + if (!priv->clk_25m_mask)
- + return 0;
- +
- + return phy_modify_mmd(phydev, MDIO_MMD_AN, AT803X_MMD7_CLK25M,
- + priv->clk_25m_mask, priv->clk_25m_reg);
- +}
- +
- +static int at8031_pll_config(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- +
- + /* The default after hardware reset is PLL OFF. After a soft reset, the
- + * values are retained.
- + */
- + if (priv->flags & AT803X_KEEP_PLL_ENABLED)
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- + 0, AT803X_DEBUG_PLL_ON);
- + else
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- + AT803X_DEBUG_PLL_ON, 0);
- +}
- +
- +static int at803x_hibernation_mode_config(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- +
- + /* The default after hardware reset is hibernation mode enabled. After
- + * software reset, the value is retained.
- + */
- + if (!(priv->flags & AT803X_DISABLE_HIBERNATION_MODE))
- + return 0;
- +
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
- + AT803X_DEBUG_HIB_CTRL_PS_HIB_EN, 0);
- +}
- +
- +static int at803x_config_init(struct phy_device *phydev)
- +{
- + int ret;
- +
- + /* The RX and TX delay default is:
- + * after HW reset: RX delay enabled and TX delay disabled
- + * after SW reset: RX delay enabled, while TX delay retains the
- + * value before reset.
- + */
- + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- + phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
- + ret = at803x_enable_rx_delay(phydev);
- + else
- + ret = at803x_disable_rx_delay(phydev);
- + if (ret < 0)
- + return ret;
- +
- + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- + phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
- + ret = at803x_enable_tx_delay(phydev);
- + else
- + ret = at803x_disable_tx_delay(phydev);
- + if (ret < 0)
- + return ret;
- +
- + ret = at803x_smarteee_config(phydev);
- + if (ret < 0)
- + return ret;
- +
- + ret = at803x_clk_out_config(phydev);
- + if (ret < 0)
- + return ret;
- +
- + ret = at803x_hibernation_mode_config(phydev);
- + if (ret < 0)
- + return ret;
- +
- + /* Ar803x extended next page bit is enabled by default. Cisco
- + * multigig switches read this bit and attempt to negotiate 10Gbps
- + * rates even if the next page bit is disabled. This is incorrect
- + * behaviour but we still need to accommodate it. XNP is only needed
- + * for 10Gbps support, so disable XNP.
- + */
- + return phy_modify(phydev, MII_ADVERTISE, MDIO_AN_CTRL1_XNP, 0);
- +}
- +
- +static int at803x_ack_interrupt(struct phy_device *phydev)
- +{
- + int err;
- +
- + err = phy_read(phydev, AT803X_INTR_STATUS);
- +
- + return (err < 0) ? err : 0;
- +}
- +
- +static int at803x_config_intr(struct phy_device *phydev)
- +{
- + int err;
- + int value;
- +
- + value = phy_read(phydev, AT803X_INTR_ENABLE);
- +
- + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
- + /* Clear any pending interrupts */
- + err = at803x_ack_interrupt(phydev);
- + if (err)
- + return err;
- +
- + value |= AT803X_INTR_ENABLE_AUTONEG_ERR;
- + value |= AT803X_INTR_ENABLE_SPEED_CHANGED;
- + value |= AT803X_INTR_ENABLE_DUPLEX_CHANGED;
- + value |= AT803X_INTR_ENABLE_LINK_FAIL;
- + value |= AT803X_INTR_ENABLE_LINK_SUCCESS;
- +
- + err = phy_write(phydev, AT803X_INTR_ENABLE, value);
- + } else {
- + err = phy_write(phydev, AT803X_INTR_ENABLE, 0);
- + if (err)
- + return err;
- +
- + /* Clear any pending interrupts */
- + err = at803x_ack_interrupt(phydev);
- + }
- +
- + return err;
- +}
- +
- +static irqreturn_t at803x_handle_interrupt(struct phy_device *phydev)
- +{
- + int irq_status, int_enabled;
- +
- + irq_status = phy_read(phydev, AT803X_INTR_STATUS);
- + if (irq_status < 0) {
- + phy_error(phydev);
- + return IRQ_NONE;
- + }
- +
- + /* Read the current enabled interrupts */
- + int_enabled = phy_read(phydev, AT803X_INTR_ENABLE);
- + if (int_enabled < 0) {
- + phy_error(phydev);
- + return IRQ_NONE;
- + }
- +
- + /* See if this was one of our enabled interrupts */
- + if (!(irq_status & int_enabled))
- + return IRQ_NONE;
- +
- + phy_trigger_machine(phydev);
- +
- + return IRQ_HANDLED;
- +}
- +
- +static void at803x_link_change_notify(struct phy_device *phydev)
- +{
- + /*
- + * Conduct a hardware reset for AT8030 every time a link loss is
- + * signalled. This is necessary to circumvent a hardware bug that
- + * occurs when the cable is unplugged while TX packets are pending
- + * in the FIFO. In such cases, the FIFO enters an error mode it
- + * cannot recover from by software.
- + */
- + if (phydev->state == PHY_NOLINK && phydev->mdio.reset_gpio) {
- + struct at803x_context context;
- +
- + at803x_context_save(phydev, &context);
- +
- + phy_device_reset(phydev, 1);
- + usleep_range(1000, 2000);
- + phy_device_reset(phydev, 0);
- + usleep_range(1000, 2000);
- +
- + at803x_context_restore(phydev, &context);
- +
- + phydev_dbg(phydev, "%s(): phy was reset\n", __func__);
- + }
- +}
- +
- +static int at803x_read_specific_status(struct phy_device *phydev,
- + struct at803x_ss_mask ss_mask)
- +{
- + int ss;
- +
- + /* Read the AT8035 PHY-Specific Status register, which indicates the
- + * speed and duplex that the PHY is actually using, irrespective of
- + * whether we are in autoneg mode or not.
- + */
- + ss = phy_read(phydev, AT803X_SPECIFIC_STATUS);
- + if (ss < 0)
- + return ss;
- +
- + if (ss & AT803X_SS_SPEED_DUPLEX_RESOLVED) {
- + int sfc, speed;
- +
- + sfc = phy_read(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL);
- + if (sfc < 0)
- + return sfc;
- +
- + speed = ss & ss_mask.speed_mask;
- + speed >>= ss_mask.speed_shift;
- +
- + switch (speed) {
- + case AT803X_SS_SPEED_10:
- + phydev->speed = SPEED_10;
- + break;
- + case AT803X_SS_SPEED_100:
- + phydev->speed = SPEED_100;
- + break;
- + case AT803X_SS_SPEED_1000:
- + phydev->speed = SPEED_1000;
- + break;
- + case QCA808X_SS_SPEED_2500:
- + phydev->speed = SPEED_2500;
- + break;
- + }
- + if (ss & AT803X_SS_DUPLEX)
- + phydev->duplex = DUPLEX_FULL;
- + else
- + phydev->duplex = DUPLEX_HALF;
- +
- + if (ss & AT803X_SS_MDIX)
- + phydev->mdix = ETH_TP_MDI_X;
- + else
- + phydev->mdix = ETH_TP_MDI;
- +
- + switch (FIELD_GET(AT803X_SFC_MDI_CROSSOVER_MODE_M, sfc)) {
- + case AT803X_SFC_MANUAL_MDI:
- + phydev->mdix_ctrl = ETH_TP_MDI;
- + break;
- + case AT803X_SFC_MANUAL_MDIX:
- + phydev->mdix_ctrl = ETH_TP_MDI_X;
- + break;
- + case AT803X_SFC_AUTOMATIC_CROSSOVER:
- + phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
- + break;
- + }
- + }
- +
- + return 0;
- +}
- +
- +static int at803x_read_status(struct phy_device *phydev)
- +{
- + struct at803x_ss_mask ss_mask = { 0 };
- + int err, old_link = phydev->link;
- +
- + /* Update the link, but return if there was an error */
- + err = genphy_update_link(phydev);
- + if (err)
- + return err;
- +
- + /* why bother the PHY if nothing can have changed */
- + if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
- + return 0;
- +
- + phydev->speed = SPEED_UNKNOWN;
- + phydev->duplex = DUPLEX_UNKNOWN;
- + phydev->pause = 0;
- + phydev->asym_pause = 0;
- +
- + err = genphy_read_lpa(phydev);
- + if (err < 0)
- + return err;
- +
- + ss_mask.speed_mask = AT803X_SS_SPEED_MASK;
- + ss_mask.speed_shift = __bf_shf(AT803X_SS_SPEED_MASK);
- + err = at803x_read_specific_status(phydev, ss_mask);
- + if (err < 0)
- + return err;
- +
- + if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete)
- + phy_resolve_aneg_pause(phydev);
- +
- + return 0;
- +}
- +
- +static int at803x_config_mdix(struct phy_device *phydev, u8 ctrl)
- +{
- + u16 val;
- +
- + switch (ctrl) {
- + case ETH_TP_MDI:
- + val = AT803X_SFC_MANUAL_MDI;
- + break;
- + case ETH_TP_MDI_X:
- + val = AT803X_SFC_MANUAL_MDIX;
- + break;
- + case ETH_TP_MDI_AUTO:
- + val = AT803X_SFC_AUTOMATIC_CROSSOVER;
- + break;
- + default:
- + return 0;
- + }
- +
- + return phy_modify_changed(phydev, AT803X_SPECIFIC_FUNCTION_CONTROL,
- + AT803X_SFC_MDI_CROSSOVER_MODE_M,
- + FIELD_PREP(AT803X_SFC_MDI_CROSSOVER_MODE_M, val));
- +}
- +
- +static int at803x_prepare_config_aneg(struct phy_device *phydev)
- +{
- + int ret;
- +
- + ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
- + if (ret < 0)
- + return ret;
- +
- + /* Changes of the midx bits are disruptive to the normal operation;
- + * therefore any changes to these registers must be followed by a
- + * software reset to take effect.
- + */
- + if (ret == 1) {
- + ret = genphy_soft_reset(phydev);
- + if (ret < 0)
- + return ret;
- + }
- +
- + return 0;
- +}
- +
- +static int at803x_config_aneg(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + int ret;
- +
- + ret = at803x_prepare_config_aneg(phydev);
- + if (ret)
- + return ret;
- +
- + if (priv->is_1000basex)
- + return genphy_c37_config_aneg(phydev);
- +
- + return genphy_config_aneg(phydev);
- +}
- +
- +static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
- +{
- + int val;
- +
- + val = phy_read(phydev, AT803X_SMART_SPEED);
- + if (val < 0)
- + return val;
- +
- + if (val & AT803X_SMART_SPEED_ENABLE)
- + *d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
- + else
- + *d = DOWNSHIFT_DEV_DISABLE;
- +
- + return 0;
- +}
- +
- +static int at803x_set_downshift(struct phy_device *phydev, u8 cnt)
- +{
- + u16 mask, set;
- + int ret;
- +
- + switch (cnt) {
- + case DOWNSHIFT_DEV_DEFAULT_COUNT:
- + cnt = AT803X_DEFAULT_DOWNSHIFT;
- + fallthrough;
- + case AT803X_MIN_DOWNSHIFT ... AT803X_MAX_DOWNSHIFT:
- + set = AT803X_SMART_SPEED_ENABLE |
- + AT803X_SMART_SPEED_BYPASS_TIMER |
- + FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
- + mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;
- + break;
- + case DOWNSHIFT_DEV_DISABLE:
- + set = 0;
- + mask = AT803X_SMART_SPEED_ENABLE |
- + AT803X_SMART_SPEED_BYPASS_TIMER;
- + break;
- + default:
- + return -EINVAL;
- + }
- +
- + ret = phy_modify_changed(phydev, AT803X_SMART_SPEED, mask, set);
- +
- + /* After changing the smart speed settings, we need to perform a
- + * software reset, use phy_init_hw() to make sure we set the
- + * reapply any values which might got lost during software reset.
- + */
- + if (ret == 1)
- + ret = phy_init_hw(phydev);
- +
- + return ret;
- +}
- +
- +static int at803x_get_tunable(struct phy_device *phydev,
- + struct ethtool_tunable *tuna, void *data)
- +{
- + switch (tuna->id) {
- + case ETHTOOL_PHY_DOWNSHIFT:
- + return at803x_get_downshift(phydev, data);
- + default:
- + return -EOPNOTSUPP;
- + }
- +}
- +
- +static int at803x_set_tunable(struct phy_device *phydev,
- + struct ethtool_tunable *tuna, const void *data)
- +{
- + switch (tuna->id) {
- + case ETHTOOL_PHY_DOWNSHIFT:
- + return at803x_set_downshift(phydev, *(const u8 *)data);
- + default:
- + return -EOPNOTSUPP;
- + }
- +}
- +
- +static int at803x_cable_test_result_trans(u16 status)
- +{
- + switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
- + case AT803X_CDT_STATUS_STAT_NORMAL:
- + return ETHTOOL_A_CABLE_RESULT_CODE_OK;
- + case AT803X_CDT_STATUS_STAT_SHORT:
- + return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
- + case AT803X_CDT_STATUS_STAT_OPEN:
- + return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
- + case AT803X_CDT_STATUS_STAT_FAIL:
- + default:
- + return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
- + }
- +}
- +
- +static bool at803x_cdt_test_failed(u16 status)
- +{
- + return FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status) ==
- + AT803X_CDT_STATUS_STAT_FAIL;
- +}
- +
- +static bool at803x_cdt_fault_length_valid(u16 status)
- +{
- + switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
- + case AT803X_CDT_STATUS_STAT_OPEN:
- + case AT803X_CDT_STATUS_STAT_SHORT:
- + return true;
- + }
- + return false;
- +}
- +
- +static int at803x_cdt_fault_length(int dt)
- +{
- + /* According to the datasheet the distance to the fault is
- + * DELTA_TIME * 0.824 meters.
- + *
- + * The author suspect the correct formula is:
- + *
- + * fault_distance = DELTA_TIME * (c * VF) / 125MHz / 2
- + *
- + * where c is the speed of light, VF is the velocity factor of
- + * the twisted pair cable, 125MHz the counter frequency and
- + * we need to divide by 2 because the hardware will measure the
- + * round trip time to the fault and back to the PHY.
- + *
- + * With a VF of 0.69 we get the factor 0.824 mentioned in the
- + * datasheet.
- + */
- + return (dt * 824) / 10;
- +}
- +
- +static int at803x_cdt_start(struct phy_device *phydev,
- + u32 cdt_start)
- +{
- + return phy_write(phydev, AT803X_CDT, cdt_start);
- +}
- +
- +static int at803x_cdt_wait_for_completion(struct phy_device *phydev,
- + u32 cdt_en)
- +{
- + int val, ret;
- +
- + /* One test run takes about 25ms */
- + ret = phy_read_poll_timeout(phydev, AT803X_CDT, val,
- + !(val & cdt_en),
- + 30000, 100000, true);
- +
- + return ret < 0 ? ret : 0;
- +}
- +
- +static int at803x_cable_test_one_pair(struct phy_device *phydev, int pair)
- +{
- + static const int ethtool_pair[] = {
- + ETHTOOL_A_CABLE_PAIR_A,
- + ETHTOOL_A_CABLE_PAIR_B,
- + ETHTOOL_A_CABLE_PAIR_C,
- + ETHTOOL_A_CABLE_PAIR_D,
- + };
- + int ret, val;
- +
- + val = FIELD_PREP(AT803X_CDT_MDI_PAIR_MASK, pair) |
- + AT803X_CDT_ENABLE_TEST;
- + ret = at803x_cdt_start(phydev, val);
- + if (ret)
- + return ret;
- +
- + ret = at803x_cdt_wait_for_completion(phydev, AT803X_CDT_ENABLE_TEST);
- + if (ret)
- + return ret;
- +
- + val = phy_read(phydev, AT803X_CDT_STATUS);
- + if (val < 0)
- + return val;
- +
- + if (at803x_cdt_test_failed(val))
- + return 0;
- +
- + ethnl_cable_test_result(phydev, ethtool_pair[pair],
- + at803x_cable_test_result_trans(val));
- +
- + if (at803x_cdt_fault_length_valid(val)) {
- + val = FIELD_GET(AT803X_CDT_STATUS_DELTA_TIME_MASK, val);
- + ethnl_cable_test_fault_length(phydev, ethtool_pair[pair],
- + at803x_cdt_fault_length(val));
- + }
- +
- + return 1;
- +}
- +
- +static int at803x_cable_test_get_status(struct phy_device *phydev,
- + bool *finished, unsigned long pair_mask)
- +{
- + int retries = 20;
- + int pair, ret;
- +
- + *finished = false;
- +
- + /* According to the datasheet the CDT can be performed when
- + * there is no link partner or when the link partner is
- + * auto-negotiating. Starting the test will restart the AN
- + * automatically. It seems that doing this repeatedly we will
- + * get a slot where our link partner won't disturb our
- + * measurement.
- + */
- + while (pair_mask && retries--) {
- + for_each_set_bit(pair, &pair_mask, 4) {
- + ret = at803x_cable_test_one_pair(phydev, pair);
- + if (ret < 0)
- + return ret;
- + if (ret)
- + clear_bit(pair, &pair_mask);
- + }
- + if (pair_mask)
- + msleep(250);
- + }
- +
- + *finished = true;
- +
- + return 0;
- +}
- +
- +static void at803x_cable_test_autoneg(struct phy_device *phydev)
- +{
- + /* Enable auto-negotiation, but advertise no capabilities, no link
- + * will be established. A restart of the auto-negotiation is not
- + * required, because the cable test will automatically break the link.
- + */
- + phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
- + phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
- +}
- +
- +static int at803x_cable_test_start(struct phy_device *phydev)
- +{
- + at803x_cable_test_autoneg(phydev);
- + /* we do all the (time consuming) work later */
- + return 0;
- +}
- +
- +static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
- + unsigned int selector)
- +{
- + struct phy_device *phydev = rdev_get_drvdata(rdev);
- +
- + if (selector)
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- + 0, AT803X_DEBUG_RGMII_1V8);
- + else
- + return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
- + AT803X_DEBUG_RGMII_1V8, 0);
- +}
- +
- +static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
- +{
- + struct phy_device *phydev = rdev_get_drvdata(rdev);
- + int val;
- +
- + val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
- + if (val < 0)
- + return val;
- +
- + return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
- +}
- +
- +static const struct regulator_ops vddio_regulator_ops = {
- + .list_voltage = regulator_list_voltage_table,
- + .set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
- + .get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
- +};
- +
- +static const unsigned int vddio_voltage_table[] = {
- + 1500000,
- + 1800000,
- +};
- +
- +static const struct regulator_desc vddio_desc = {
- + .name = "vddio",
- + .of_match = of_match_ptr("vddio-regulator"),
- + .n_voltages = ARRAY_SIZE(vddio_voltage_table),
- + .volt_table = vddio_voltage_table,
- + .ops = &vddio_regulator_ops,
- + .type = REGULATOR_VOLTAGE,
- + .owner = THIS_MODULE,
- +};
- +
- +static const struct regulator_ops vddh_regulator_ops = {
- +};
- +
- +static const struct regulator_desc vddh_desc = {
- + .name = "vddh",
- + .of_match = of_match_ptr("vddh-regulator"),
- + .n_voltages = 1,
- + .fixed_uV = 2500000,
- + .ops = &vddh_regulator_ops,
- + .type = REGULATOR_VOLTAGE,
- + .owner = THIS_MODULE,
- +};
- +
- +static int at8031_register_regulators(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + struct device *dev = &phydev->mdio.dev;
- + struct regulator_config config = { };
- +
- + config.dev = dev;
- + config.driver_data = phydev;
- +
- + priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
- + if (IS_ERR(priv->vddio_rdev)) {
- + phydev_err(phydev, "failed to register VDDIO regulator\n");
- + return PTR_ERR(priv->vddio_rdev);
- + }
- +
- + priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
- + if (IS_ERR(priv->vddh_rdev)) {
- + phydev_err(phydev, "failed to register VDDH regulator\n");
- + return PTR_ERR(priv->vddh_rdev);
- + }
- +
- + return 0;
- +}
- +
- +static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
- +{
- + struct phy_device *phydev = upstream;
- + __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
- + __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
- + DECLARE_PHY_INTERFACE_MASK(interfaces);
- + phy_interface_t iface;
- +
- + linkmode_zero(phy_support);
- + phylink_set(phy_support, 1000baseX_Full);
- + phylink_set(phy_support, 1000baseT_Full);
- + phylink_set(phy_support, Autoneg);
- + phylink_set(phy_support, Pause);
- + phylink_set(phy_support, Asym_Pause);
- +
- + linkmode_zero(sfp_support);
- + sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
- + /* Some modules support 10G modes as well as others we support.
- + * Mask out non-supported modes so the correct interface is picked.
- + */
- + linkmode_and(sfp_support, phy_support, sfp_support);
- +
- + if (linkmode_empty(sfp_support)) {
- + dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
- + return -EINVAL;
- + }
- +
- + iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
- +
- + /* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
- + * interface for use with SFP modules.
- + * However, some copper modules detected as having a preferred SGMII
- + * interface do default to and function in 1000Base-X mode, so just
- + * print a warning and allow such modules, as they may have some chance
- + * of working.
- + */
- + if (iface == PHY_INTERFACE_MODE_SGMII)
- + dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
- + else if (iface != PHY_INTERFACE_MODE_1000BASEX)
- + return -EINVAL;
- +
- + return 0;
- +}
- +
- +static const struct sfp_upstream_ops at8031_sfp_ops = {
- + .attach = phy_sfp_attach,
- + .detach = phy_sfp_detach,
- + .module_insert = at8031_sfp_insert,
- +};
- +
- +static int at8031_parse_dt(struct phy_device *phydev)
- +{
- + struct device_node *node = phydev->mdio.dev.of_node;
- + struct at803x_priv *priv = phydev->priv;
- + int ret;
- +
- + if (of_property_read_bool(node, "qca,keep-pll-enabled"))
- + priv->flags |= AT803X_KEEP_PLL_ENABLED;
- +
- + ret = at8031_register_regulators(phydev);
- + if (ret < 0)
- + return ret;
- +
- + ret = devm_regulator_get_enable_optional(&phydev->mdio.dev,
- + "vddio");
- + if (ret) {
- + phydev_err(phydev, "failed to get VDDIO regulator\n");
- + return ret;
- + }
- +
- + /* Only AR8031/8033 support 1000Base-X for SFP modules */
- + return phy_sfp_probe(phydev, &at8031_sfp_ops);
- +}
- +
- +static int at8031_probe(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + int mode_cfg;
- + int ccr;
- + int ret;
- +
- + ret = at803x_probe(phydev);
- + if (ret)
- + return ret;
- +
- + /* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping
- + * options.
- + */
- + ret = at8031_parse_dt(phydev);
- + if (ret)
- + return ret;
- +
- + ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
- + if (ccr < 0)
- + return ccr;
- + mode_cfg = ccr & AT803X_MODE_CFG_MASK;
- +
- + switch (mode_cfg) {
- + case AT803X_MODE_CFG_BX1000_RGMII_50OHM:
- + case AT803X_MODE_CFG_BX1000_RGMII_75OHM:
- + priv->is_1000basex = true;
- + fallthrough;
- + case AT803X_MODE_CFG_FX100_RGMII_50OHM:
- + case AT803X_MODE_CFG_FX100_RGMII_75OHM:
- + priv->is_fiber = true;
- + break;
- + }
- +
- + /* Disable WoL in 1588 register which is enabled
- + * by default
- + */
- + return phy_modify_mmd(phydev, MDIO_MMD_PCS,
- + AT803X_PHY_MMD3_WOL_CTRL,
- + AT803X_WOL_EN, 0);
- +}
- +
- +static int at8031_config_init(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + int ret;
- +
- + /* Some bootloaders leave the fiber page selected.
- + * Switch to the appropriate page (fiber or copper), as otherwise we
- + * read the PHY capabilities from the wrong page.
- + */
- + phy_lock_mdio_bus(phydev);
- + ret = at803x_write_page(phydev,
- + priv->is_fiber ? AT803X_PAGE_FIBER :
- + AT803X_PAGE_COPPER);
- + phy_unlock_mdio_bus(phydev);
- + if (ret)
- + return ret;
- +
- + ret = at8031_pll_config(phydev);
- + if (ret < 0)
- + return ret;
- +
- + return at803x_config_init(phydev);
- +}
- +
- +static int at8031_set_wol(struct phy_device *phydev,
- + struct ethtool_wolinfo *wol)
- +{
- + int ret;
- +
- + /* First setup MAC address and enable WOL interrupt */
- + ret = at803x_set_wol(phydev, wol);
- + if (ret)
- + return ret;
- +
- + if (wol->wolopts & WAKE_MAGIC)
- + /* Enable WOL function for 1588 */
- + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- + AT803X_PHY_MMD3_WOL_CTRL,
- + 0, AT803X_WOL_EN);
- + else
- + /* Disable WoL function for 1588 */
- + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS,
- + AT803X_PHY_MMD3_WOL_CTRL,
- + AT803X_WOL_EN, 0);
- +
- + return ret;
- +}
- +
- +static int at8031_config_intr(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + int err, value = 0;
- +
- + if (phydev->interrupts == PHY_INTERRUPT_ENABLED &&
- + priv->is_fiber) {
- + /* Clear any pending interrupts */
- + err = at803x_ack_interrupt(phydev);
- + if (err)
- + return err;
- +
- + value |= AT803X_INTR_ENABLE_LINK_FAIL_BX;
- + value |= AT803X_INTR_ENABLE_LINK_SUCCESS_BX;
- +
- + err = phy_set_bits(phydev, AT803X_INTR_ENABLE, value);
- + if (err)
- + return err;
- + }
- +
- + return at803x_config_intr(phydev);
- +}
- +
- +/* AR8031 and AR8033 share the same read status logic */
- +static int at8031_read_status(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- +
- + if (priv->is_1000basex)
- + return genphy_c37_read_status(phydev);
- +
- + return at803x_read_status(phydev);
- +}
- +
- +/* AR8031 and AR8035 share the same cable test get status reg */
- +static int at8031_cable_test_get_status(struct phy_device *phydev,
- + bool *finished)
- +{
- + return at803x_cable_test_get_status(phydev, finished, 0xf);
- +}
- +
- +/* AR8031 and AR8035 share the same cable test start logic */
- +static int at8031_cable_test_start(struct phy_device *phydev)
- +{
- + at803x_cable_test_autoneg(phydev);
- + phy_write(phydev, MII_CTRL1000, 0);
- + /* we do all the (time consuming) work later */
- + return 0;
- +}
- +
- +/* AR8032, AR9331 and QCA9561 share the same cable test get status reg */
- +static int at8032_cable_test_get_status(struct phy_device *phydev,
- + bool *finished)
- +{
- + return at803x_cable_test_get_status(phydev, finished, 0x3);
- +}
- +
- +static int at8035_parse_dt(struct phy_device *phydev)
- +{
- + struct at803x_priv *priv = phydev->priv;
- +
- + /* Mask is set by the generic at803x_parse_dt
- + * if property is set. Assume property is set
- + * with the mask not zero.
- + */
- + if (priv->clk_25m_mask) {
- + /* Fixup for the AR8030/AR8035. This chip has another mask and
- + * doesn't support the DSP reference. Eg. the lowest bit of the
- + * mask. The upper two bits select the same frequencies. Mask
- + * the lowest bit here.
- + *
- + * Warning:
- + * There was no datasheet for the AR8030 available so this is
- + * just a guess. But the AR8035 is listed as pin compatible
- + * to the AR8030 so there might be a good chance it works on
- + * the AR8030 too.
- + */
- + priv->clk_25m_reg &= AT8035_CLK_OUT_MASK;
- + priv->clk_25m_mask &= AT8035_CLK_OUT_MASK;
- + }
- +
- + return 0;
- +}
- +
- +/* AR8030 and AR8035 shared the same special mask for clk_25m */
- +static int at8035_probe(struct phy_device *phydev)
- +{
- + int ret;
- +
- + ret = at803x_probe(phydev);
- + if (ret)
- + return ret;
- +
- + return at8035_parse_dt(phydev);
- +}
- +
- +static int qca83xx_config_init(struct phy_device *phydev)
- +{
- + u8 switch_revision;
- +
- + switch_revision = phydev->dev_flags & QCA8K_DEVFLAGS_REVISION_MASK;
- +
- + switch (switch_revision) {
- + case 1:
- + /* For 100M waveform */
- + at803x_debug_reg_write(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL, 0x02ea);
- + /* Turn on Gigabit clock */
- + at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x68a0);
- + break;
- +
- + case 2:
- + phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0x0);
- + fallthrough;
- + case 4:
- + phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_AZ_DEBUG, 0x803f);
- + at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_GREEN, 0x6860);
- + at803x_debug_reg_write(phydev, AT803X_DEBUG_SYSTEM_CTRL_MODE, 0x2c46);
- + at803x_debug_reg_write(phydev, AT803X_DEBUG_REG_3C, 0x6000);
- + break;
- + }
- +
- + /* Following original QCA sourcecode set port to prefer master */
- + phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
- +
- + return 0;
- +}
- +
- +static int qca8327_config_init(struct phy_device *phydev)
- +{
- + /* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
- + * Disable on init and enable only with 100m speed following
- + * qca original source code.
- + */
- + at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- + QCA8327_DEBUG_MANU_CTRL_EN, 0);
- +
- + return qca83xx_config_init(phydev);
- +}
- +
- +static void qca83xx_link_change_notify(struct phy_device *phydev)
- +{
- + /* Set DAC Amplitude adjustment to +6% for 100m on link running */
- + if (phydev->state == PHY_RUNNING) {
- + if (phydev->speed == SPEED_100)
- + at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- + QCA8327_DEBUG_MANU_CTRL_EN,
- + QCA8327_DEBUG_MANU_CTRL_EN);
- + } else {
- + /* Reset DAC Amplitude adjustment */
- + at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
- + QCA8327_DEBUG_MANU_CTRL_EN, 0);
- + }
- +}
- +
- +static int qca83xx_resume(struct phy_device *phydev)
- +{
- + int ret, val;
- +
- + /* Skip reset if not suspended */
- + if (!phydev->suspended)
- + return 0;
- +
- + /* Reinit the port, reset values set by suspend */
- + qca83xx_config_init(phydev);
- +
- + /* Reset the port on port resume */
- + phy_set_bits(phydev, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
- +
- + /* On resume from suspend the switch execute a reset and
- + * restart auto-negotiation. Wait for reset to complete.
- + */
- + ret = phy_read_poll_timeout(phydev, MII_BMCR, val, !(val & BMCR_RESET),
- + 50000, 600000, true);
- + if (ret)
- + return ret;
- +
- + usleep_range(1000, 2000);
- +
- + return 0;
- +}
- +
- +static int qca83xx_suspend(struct phy_device *phydev)
- +{
- + at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_GREEN,
- + AT803X_DEBUG_GATE_CLK_IN1000, 0);
- +
- + at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_HIB_CTRL,
- + AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE |
- + AT803X_DEBUG_HIB_CTRL_SEL_RST_80U, 0);
- +
- + return 0;
- +}
- +
- +static int qca8337_suspend(struct phy_device *phydev)
- +{
- + /* Only QCA8337 support actual suspend. */
- + genphy_suspend(phydev);
- +
- + return qca83xx_suspend(phydev);
- +}
- +
- +static int qca8327_suspend(struct phy_device *phydev)
- +{
- + u16 mask = 0;
- +
- + /* QCA8327 cause port unreliability when phy suspend
- + * is set.
- + */
- + mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
- + phy_modify(phydev, MII_BMCR, mask, 0);
- +
- + return qca83xx_suspend(phydev);
- +}
- +
- +static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
- +{
- + int ret;
- +
- + /* Enable fast retrain */
- + ret = genphy_c45_fast_retrain(phydev, true);
- + if (ret)
- + return ret;
- +
- + phy_write_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_TOP_OPTION1,
- + QCA808X_TOP_OPTION1_DATA);
- + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB,
- + QCA808X_MSE_THRESHOLD_20DB_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB,
- + QCA808X_MSE_THRESHOLD_17DB_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB,
- + QCA808X_MSE_THRESHOLD_27DB_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB,
- + QCA808X_MSE_THRESHOLD_28DB_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_1,
- + QCA808X_MMD3_DEBUG_1_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_4,
- + QCA808X_MMD3_DEBUG_4_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_5,
- + QCA808X_MMD3_DEBUG_5_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_3,
- + QCA808X_MMD3_DEBUG_3_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_6,
- + QCA808X_MMD3_DEBUG_6_VALUE);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_2,
- + QCA808X_MMD3_DEBUG_2_VALUE);
- +
- + return 0;
- +}
- +
- +static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
- +{
- + u16 seed_value;
- +
- + if (!enable)
- + return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
- + QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
- +
- + seed_value = get_random_u32_below(QCA808X_MASTER_SLAVE_SEED_RANGE);
- + return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
- + QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
- + FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
- + QCA808X_MASTER_SLAVE_SEED_ENABLE);
- +}
- +
- +static bool qca808x_is_prefer_master(struct phy_device *phydev)
- +{
- + return (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_FORCE) ||
- + (phydev->master_slave_get == MASTER_SLAVE_CFG_MASTER_PREFERRED);
- +}
- +
- +static bool qca808x_has_fast_retrain_or_slave_seed(struct phy_device *phydev)
- +{
- + return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
- +}
- +
- +static int qca808x_config_init(struct phy_device *phydev)
- +{
- + int ret;
- +
- + /* Active adc&vga on 802.3az for the link 1000M and 100M */
- + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7,
- + QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN);
- + if (ret)
- + return ret;
- +
- + /* Adjust the threshold on 802.3az for the link 1000M */
- + ret = phy_write_mmd(phydev, MDIO_MMD_PCS,
- + QCA808X_PHY_MMD3_AZ_TRAINING_CTRL,
- + QCA808X_MMD3_AZ_TRAINING_VAL);
- + if (ret)
- + return ret;
- +
- + if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
- + /* Config the fast retrain for the link 2500M */
- + ret = qca808x_phy_fast_retrain_config(phydev);
- + if (ret)
- + return ret;
- +
- + ret = genphy_read_master_slave(phydev);
- + if (ret < 0)
- + return ret;
- +
- + if (!qca808x_is_prefer_master(phydev)) {
- + /* Enable seed and configure lower ramdom seed to make phy
- + * linked as slave mode.
- + */
- + ret = qca808x_phy_ms_seed_enable(phydev, true);
- + if (ret)
- + return ret;
- + }
- + }
- +
- + /* Configure adc threshold as 100mv for the link 10M */
- + return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_ADC_THRESHOLD,
- + QCA808X_ADC_THRESHOLD_MASK,
- + QCA808X_ADC_THRESHOLD_100MV);
- +}
- +
- +static int qca808x_read_status(struct phy_device *phydev)
- +{
- + struct at803x_ss_mask ss_mask = { 0 };
- + int ret;
- +
- + ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
- + if (ret < 0)
- + return ret;
- +
- + linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->lp_advertising,
- + ret & MDIO_AN_10GBT_STAT_LP2_5G);
- +
- + ret = genphy_read_status(phydev);
- + if (ret)
- + return ret;
- +
- + /* qca8081 takes the different bits for speed value from at803x */
- + ss_mask.speed_mask = QCA808X_SS_SPEED_MASK;
- + ss_mask.speed_shift = __bf_shf(QCA808X_SS_SPEED_MASK);
- + ret = at803x_read_specific_status(phydev, ss_mask);
- + if (ret < 0)
- + return ret;
- +
- + if (phydev->link) {
- + if (phydev->speed == SPEED_2500)
- + phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
- + else
- + phydev->interface = PHY_INTERFACE_MODE_SGMII;
- + } else {
- + /* generate seed as a lower random value to make PHY linked as SLAVE easily,
- + * except for master/slave configuration fault detected or the master mode
- + * preferred.
- + *
- + * the reason for not putting this code into the function link_change_notify is
- + * the corner case where the link partner is also the qca8081 PHY and the seed
- + * value is configured as the same value, the link can't be up and no link change
- + * occurs.
- + */
- + if (qca808x_has_fast_retrain_or_slave_seed(phydev)) {
- + if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR ||
- + qca808x_is_prefer_master(phydev)) {
- + qca808x_phy_ms_seed_enable(phydev, false);
- + } else {
- + qca808x_phy_ms_seed_enable(phydev, true);
- + }
- + }
- + }
- +
- + return 0;
- +}
- +
- +static int qca808x_soft_reset(struct phy_device *phydev)
- +{
- + int ret;
- +
- + ret = genphy_soft_reset(phydev);
- + if (ret < 0)
- + return ret;
- +
- + if (qca808x_has_fast_retrain_or_slave_seed(phydev))
- + ret = qca808x_phy_ms_seed_enable(phydev, true);
- +
- + return ret;
- +}
- +
- +static bool qca808x_cdt_fault_length_valid(int cdt_code)
- +{
- + switch (cdt_code) {
- + case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
- + case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
- + return true;
- + default:
- + return false;
- + }
- +}
- +
- +static int qca808x_cable_test_result_trans(int cdt_code)
- +{
- + switch (cdt_code) {
- + case QCA808X_CDT_STATUS_STAT_NORMAL:
- + return ETHTOOL_A_CABLE_RESULT_CODE_OK;
- + case QCA808X_CDT_STATUS_STAT_SAME_SHORT:
- + return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
- + case QCA808X_CDT_STATUS_STAT_SAME_OPEN:
- + return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN:
- + case QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT:
- + return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
- + case QCA808X_CDT_STATUS_STAT_FAIL:
- + default:
- + return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
- + }
- +}
- +
- +static int qca808x_cdt_fault_length(struct phy_device *phydev, int pair,
- + int result)
- +{
- + int val;
- + u32 cdt_length_reg = 0;
- +
- + switch (pair) {
- + case ETHTOOL_A_CABLE_PAIR_A:
- + cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_A;
- + break;
- + case ETHTOOL_A_CABLE_PAIR_B:
- + cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_B;
- + break;
- + case ETHTOOL_A_CABLE_PAIR_C:
- + cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_C;
- + break;
- + case ETHTOOL_A_CABLE_PAIR_D:
- + cdt_length_reg = QCA808X_MMD3_CDT_DIAG_PAIR_D;
- + break;
- + default:
- + return -EINVAL;
- + }
- +
- + val = phy_read_mmd(phydev, MDIO_MMD_PCS, cdt_length_reg);
- + if (val < 0)
- + return val;
- +
- + if (result == ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT)
- + val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_SAME_SHORT, val);
- + else
- + val = FIELD_GET(QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT, val);
- +
- + return at803x_cdt_fault_length(val);
- +}
- +
- +static int qca808x_cable_test_start(struct phy_device *phydev)
- +{
- + int ret;
- +
- + /* perform CDT with the following configs:
- + * 1. disable hibernation.
- + * 2. force PHY working in MDI mode.
- + * 3. for PHY working in 1000BaseT.
- + * 4. configure the threshold.
- + */
- +
- + ret = at803x_debug_reg_mask(phydev, QCA808X_DBG_AN_TEST, QCA808X_HIBERNATION_EN, 0);
- + if (ret < 0)
- + return ret;
- +
- + ret = at803x_config_mdix(phydev, ETH_TP_MDI);
- + if (ret < 0)
- + return ret;
- +
- + /* Force 1000base-T needs to configure PMA/PMD and MII_BMCR */
- + phydev->duplex = DUPLEX_FULL;
- + phydev->speed = SPEED_1000;
- + ret = genphy_c45_pma_setup_forced(phydev);
- + if (ret < 0)
- + return ret;
- +
- + ret = genphy_setup_forced(phydev);
- + if (ret < 0)
- + return ret;
- +
- + /* configure the thresholds for open, short, pair ok test */
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8074, 0xc040);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8076, 0xc040);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8077, 0xa060);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x8078, 0xc050);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807a, 0xc060);
- + phy_write_mmd(phydev, MDIO_MMD_PCS, 0x807e, 0xb060);
- +
- + return 0;
- +}
- +
- +static int qca808x_cable_test_get_pair_status(struct phy_device *phydev, u8 pair,
- + u16 status)
- +{
- + int length, result;
- + u16 pair_code;
- +
- + switch (pair) {
- + case ETHTOOL_A_CABLE_PAIR_A:
- + pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, status);
- + break;
- + case ETHTOOL_A_CABLE_PAIR_B:
- + pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, status);
- + break;
- + case ETHTOOL_A_CABLE_PAIR_C:
- + pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, status);
- + break;
- + case ETHTOOL_A_CABLE_PAIR_D:
- + pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, status);
- + break;
- + default:
- + return -EINVAL;
- + }
- +
- + result = qca808x_cable_test_result_trans(pair_code);
- + ethnl_cable_test_result(phydev, pair, result);
- +
- + if (qca808x_cdt_fault_length_valid(pair_code)) {
- + length = qca808x_cdt_fault_length(phydev, pair, result);
- + ethnl_cable_test_fault_length(phydev, pair, length);
- + }
- +
- + return 0;
- +}
- +
- +static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished)
- +{
- + int ret, val;
- +
- + *finished = false;
- +
- + val = QCA808X_CDT_ENABLE_TEST |
- + QCA808X_CDT_LENGTH_UNIT;
- + ret = at803x_cdt_start(phydev, val);
- + if (ret)
- + return ret;
- +
- + ret = at803x_cdt_wait_for_completion(phydev, QCA808X_CDT_ENABLE_TEST);
- + if (ret)
- + return ret;
- +
- + val = phy_read_mmd(phydev, MDIO_MMD_PCS, QCA808X_MMD3_CDT_STATUS);
- + if (val < 0)
- + return val;
- +
- + ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
- + if (ret)
- + return ret;
- +
- + ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
- + if (ret)
- + return ret;
- +
- + ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
- + if (ret)
- + return ret;
- +
- + ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
- + if (ret)
- + return ret;
- +
- + *finished = true;
- +
- + return 0;
- +}
- +
- +static int qca808x_get_features(struct phy_device *phydev)
- +{
- + int ret;
- +
- + ret = genphy_c45_pma_read_abilities(phydev);
- + if (ret)
- + return ret;
- +
- + /* The autoneg ability is not existed in bit3 of MMD7.1,
- + * but it is supported by qca808x PHY, so we add it here
- + * manually.
- + */
- + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported);
- +
- + /* As for the qca8081 1G version chip, the 2500baseT ability is also
- + * existed in the bit0 of MMD1.21, we need to remove it manually if
- + * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d.
- + */
- + ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
- + if (ret < 0)
- + return ret;
- +
- + if (QCA808X_PHY_CHIP_TYPE_1G & ret)
- + linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
- +
- + return 0;
- +}
- +
- +static int qca808x_config_aneg(struct phy_device *phydev)
- +{
- + int phy_ctrl = 0;
- + int ret;
- +
- + ret = at803x_prepare_config_aneg(phydev);
- + if (ret)
- + return ret;
- +
- + /* The reg MII_BMCR also needs to be configured for force mode, the
- + * genphy_config_aneg is also needed.
- + */
- + if (phydev->autoneg == AUTONEG_DISABLE)
- + genphy_c45_pma_setup_forced(phydev);
- +
- + if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
- + phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
- +
- + ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
- + MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
- + if (ret < 0)
- + return ret;
- +
- + return __genphy_config_aneg(phydev, ret);
- +}
- +
- +static void qca808x_link_change_notify(struct phy_device *phydev)
- +{
- + /* Assert interface sgmii fifo on link down, deassert it on link up,
- + * the interface device address is always phy address added by 1.
- + */
- + mdiobus_c45_modify_changed(phydev->mdio.bus, phydev->mdio.addr + 1,
- + MDIO_MMD_PMAPMD, QCA8081_PHY_SERDES_MMD1_FIFO_CTRL,
- + QCA8081_PHY_FIFO_RSTN,
- + phydev->link ? QCA8081_PHY_FIFO_RSTN : 0);
- +}
- +
- +static int qca808x_led_parse_netdev(struct phy_device *phydev, unsigned long rules,
- + u16 *offload_trigger)
- +{
- + /* Parsing specific to netdev trigger */
- + if (test_bit(TRIGGER_NETDEV_TX, &rules))
- + *offload_trigger |= QCA808X_LED_TX_BLINK;
- + if (test_bit(TRIGGER_NETDEV_RX, &rules))
- + *offload_trigger |= QCA808X_LED_RX_BLINK;
- + if (test_bit(TRIGGER_NETDEV_LINK_10, &rules))
- + *offload_trigger |= QCA808X_LED_SPEED10_ON;
- + if (test_bit(TRIGGER_NETDEV_LINK_100, &rules))
- + *offload_trigger |= QCA808X_LED_SPEED100_ON;
- + if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules))
- + *offload_trigger |= QCA808X_LED_SPEED1000_ON;
- + if (test_bit(TRIGGER_NETDEV_LINK_2500, &rules))
- + *offload_trigger |= QCA808X_LED_SPEED2500_ON;
- + if (test_bit(TRIGGER_NETDEV_HALF_DUPLEX, &rules))
- + *offload_trigger |= QCA808X_LED_HALF_DUPLEX_ON;
- + if (test_bit(TRIGGER_NETDEV_FULL_DUPLEX, &rules))
- + *offload_trigger |= QCA808X_LED_FULL_DUPLEX_ON;
- +
- + if (rules && !*offload_trigger)
- + return -EOPNOTSUPP;
- +
- + /* Enable BLINK_CHECK_BYPASS by default to make the LED
- + * blink even with duplex or speed mode not enabled.
- + */
- + *offload_trigger |= QCA808X_LED_BLINK_CHECK_BYPASS;
- +
- + return 0;
- +}
- +
- +static int qca808x_led_hw_control_enable(struct phy_device *phydev, u8 index)
- +{
- + u16 reg;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- +
- + return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
- + QCA808X_LED_FORCE_EN);
- +}
- +
- +static int qca808x_led_hw_is_supported(struct phy_device *phydev, u8 index,
- + unsigned long rules)
- +{
- + u16 offload_trigger = 0;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + return qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
- +}
- +
- +static int qca808x_led_hw_control_set(struct phy_device *phydev, u8 index,
- + unsigned long rules)
- +{
- + u16 reg, offload_trigger = 0;
- + int ret;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + reg = QCA808X_MMD7_LED_CTRL(index);
- +
- + ret = qca808x_led_parse_netdev(phydev, rules, &offload_trigger);
- + if (ret)
- + return ret;
- +
- + ret = qca808x_led_hw_control_enable(phydev, index);
- + if (ret)
- + return ret;
- +
- + return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- + QCA808X_LED_PATTERN_MASK,
- + offload_trigger);
- +}
- +
- +static bool qca808x_led_hw_control_status(struct phy_device *phydev, u8 index)
- +{
- + u16 reg;
- + int val;
- +
- + if (index > 2)
- + return false;
- +
- + reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- +
- + val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
- +
- + return !(val & QCA808X_LED_FORCE_EN);
- +}
- +
- +static int qca808x_led_hw_control_get(struct phy_device *phydev, u8 index,
- + unsigned long *rules)
- +{
- + u16 reg;
- + int val;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + /* Check if we have hw control enabled */
- + if (qca808x_led_hw_control_status(phydev, index))
- + return -EINVAL;
- +
- + reg = QCA808X_MMD7_LED_CTRL(index);
- +
- + val = phy_read_mmd(phydev, MDIO_MMD_AN, reg);
- + if (val & QCA808X_LED_TX_BLINK)
- + set_bit(TRIGGER_NETDEV_TX, rules);
- + if (val & QCA808X_LED_RX_BLINK)
- + set_bit(TRIGGER_NETDEV_RX, rules);
- + if (val & QCA808X_LED_SPEED10_ON)
- + set_bit(TRIGGER_NETDEV_LINK_10, rules);
- + if (val & QCA808X_LED_SPEED100_ON)
- + set_bit(TRIGGER_NETDEV_LINK_100, rules);
- + if (val & QCA808X_LED_SPEED1000_ON)
- + set_bit(TRIGGER_NETDEV_LINK_1000, rules);
- + if (val & QCA808X_LED_SPEED2500_ON)
- + set_bit(TRIGGER_NETDEV_LINK_2500, rules);
- + if (val & QCA808X_LED_HALF_DUPLEX_ON)
- + set_bit(TRIGGER_NETDEV_HALF_DUPLEX, rules);
- + if (val & QCA808X_LED_FULL_DUPLEX_ON)
- + set_bit(TRIGGER_NETDEV_FULL_DUPLEX, rules);
- +
- + return 0;
- +}
- +
- +static int qca808x_led_hw_control_reset(struct phy_device *phydev, u8 index)
- +{
- + u16 reg;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + reg = QCA808X_MMD7_LED_CTRL(index);
- +
- + return phy_clear_bits_mmd(phydev, MDIO_MMD_AN, reg,
- + QCA808X_LED_PATTERN_MASK);
- +}
- +
- +static int qca808x_led_brightness_set(struct phy_device *phydev,
- + u8 index, enum led_brightness value)
- +{
- + u16 reg;
- + int ret;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + if (!value) {
- + ret = qca808x_led_hw_control_reset(phydev, index);
- + if (ret)
- + return ret;
- + }
- +
- + reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- +
- + return phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- + QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
- + QCA808X_LED_FORCE_EN | value ? QCA808X_LED_FORCE_ON :
- + QCA808X_LED_FORCE_OFF);
- +}
- +
- +static int qca808x_led_blink_set(struct phy_device *phydev, u8 index,
- + unsigned long *delay_on,
- + unsigned long *delay_off)
- +{
- + int ret;
- + u16 reg;
- +
- + if (index > 2)
- + return -EINVAL;
- +
- + reg = QCA808X_MMD7_LED_FORCE_CTRL(index);
- +
- + /* Set blink to 50% off, 50% on at 4Hz by default */
- + ret = phy_modify_mmd(phydev, MDIO_MMD_AN, QCA808X_MMD7_LED_GLOBAL,
- + QCA808X_LED_BLINK_FREQ_MASK | QCA808X_LED_BLINK_DUTY_MASK,
- + QCA808X_LED_BLINK_FREQ_4HZ | QCA808X_LED_BLINK_DUTY_50_50);
- + if (ret)
- + return ret;
- +
- + /* We use BLINK_1 for normal blinking */
- + ret = phy_modify_mmd(phydev, MDIO_MMD_AN, reg,
- + QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_MODE_MASK,
- + QCA808X_LED_FORCE_EN | QCA808X_LED_FORCE_BLINK_1);
- + if (ret)
- + return ret;
- +
- + /* We set blink to 4Hz, aka 250ms */
- + *delay_on = 250 / 2;
- + *delay_off = 250 / 2;
- +
- + return 0;
- +}
- +
- +static int qca808x_led_polarity_set(struct phy_device *phydev, int index,
- + unsigned long modes)
- +{
- + struct at803x_priv *priv = phydev->priv;
- + bool active_low = false;
- + u32 mode;
- +
- + for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
- + switch (mode) {
- + case PHY_LED_ACTIVE_LOW:
- + active_low = true;
- + break;
- + default:
- + return -EINVAL;
- + }
- + }
- +
- + /* PHY polarity is global and can't be set per LED.
- + * To detect this, check if last requested polarity mode
- + * match the new one.
- + */
- + if (priv->led_polarity_mode >= 0 &&
- + priv->led_polarity_mode != active_low) {
- + phydev_err(phydev, "PHY polarity is global. Mismatched polarity on different LED\n");
- + return -EINVAL;
- + }
- +
- + /* Save the last PHY polarity mode */
- + priv->led_polarity_mode = active_low;
- +
- + return phy_modify_mmd(phydev, MDIO_MMD_AN,
- + QCA808X_MMD7_LED_POLARITY_CTRL,
- + QCA808X_LED_ACTIVE_HIGH,
- + active_low ? 0 : QCA808X_LED_ACTIVE_HIGH);
- +}
- +
- +static struct phy_driver at803x_driver[] = {
- +{
- + /* Qualcomm Atheros AR8035 */
- + PHY_ID_MATCH_EXACT(ATH8035_PHY_ID),
- + .name = "Qualcomm Atheros AR8035",
- + .flags = PHY_POLL_CABLE_TEST,
- + .probe = at8035_probe,
- + .config_aneg = at803x_config_aneg,
- + .config_init = at803x_config_init,
- + .soft_reset = genphy_soft_reset,
- + .set_wol = at803x_set_wol,
- + .get_wol = at803x_get_wol,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + /* PHY_GBIT_FEATURES */
- + .read_status = at803x_read_status,
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .get_tunable = at803x_get_tunable,
- + .set_tunable = at803x_set_tunable,
- + .cable_test_start = at8031_cable_test_start,
- + .cable_test_get_status = at8031_cable_test_get_status,
- +}, {
- + /* Qualcomm Atheros AR8030 */
- + .phy_id = ATH8030_PHY_ID,
- + .name = "Qualcomm Atheros AR8030",
- + .phy_id_mask = AT8030_PHY_ID_MASK,
- + .probe = at8035_probe,
- + .config_init = at803x_config_init,
- + .link_change_notify = at803x_link_change_notify,
- + .set_wol = at803x_set_wol,
- + .get_wol = at803x_get_wol,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + /* PHY_BASIC_FEATURES */
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- +}, {
- + /* Qualcomm Atheros AR8031/AR8033 */
- + PHY_ID_MATCH_EXACT(ATH8031_PHY_ID),
- + .name = "Qualcomm Atheros AR8031/AR8033",
- + .flags = PHY_POLL_CABLE_TEST,
- + .probe = at8031_probe,
- + .config_init = at8031_config_init,
- + .config_aneg = at803x_config_aneg,
- + .soft_reset = genphy_soft_reset,
- + .set_wol = at8031_set_wol,
- + .get_wol = at803x_get_wol,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + .read_page = at803x_read_page,
- + .write_page = at803x_write_page,
- + .get_features = at803x_get_features,
- + .read_status = at8031_read_status,
- + .config_intr = at8031_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .get_tunable = at803x_get_tunable,
- + .set_tunable = at803x_set_tunable,
- + .cable_test_start = at8031_cable_test_start,
- + .cable_test_get_status = at8031_cable_test_get_status,
- +}, {
- + /* Qualcomm Atheros AR8032 */
- + PHY_ID_MATCH_EXACT(ATH8032_PHY_ID),
- + .name = "Qualcomm Atheros AR8032",
- + .probe = at803x_probe,
- + .flags = PHY_POLL_CABLE_TEST,
- + .config_init = at803x_config_init,
- + .link_change_notify = at803x_link_change_notify,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + /* PHY_BASIC_FEATURES */
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .cable_test_start = at803x_cable_test_start,
- + .cable_test_get_status = at8032_cable_test_get_status,
- +}, {
- + /* ATHEROS AR9331 */
- + PHY_ID_MATCH_EXACT(ATH9331_PHY_ID),
- + .name = "Qualcomm Atheros AR9331 built-in PHY",
- + .probe = at803x_probe,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + .flags = PHY_POLL_CABLE_TEST,
- + /* PHY_BASIC_FEATURES */
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .cable_test_start = at803x_cable_test_start,
- + .cable_test_get_status = at8032_cable_test_get_status,
- + .read_status = at803x_read_status,
- + .soft_reset = genphy_soft_reset,
- + .config_aneg = at803x_config_aneg,
- +}, {
- + /* Qualcomm Atheros QCA9561 */
- + PHY_ID_MATCH_EXACT(QCA9561_PHY_ID),
- + .name = "Qualcomm Atheros QCA9561 built-in PHY",
- + .probe = at803x_probe,
- + .suspend = at803x_suspend,
- + .resume = at803x_resume,
- + .flags = PHY_POLL_CABLE_TEST,
- + /* PHY_BASIC_FEATURES */
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .cable_test_start = at803x_cable_test_start,
- + .cable_test_get_status = at8032_cable_test_get_status,
- + .read_status = at803x_read_status,
- + .soft_reset = genphy_soft_reset,
- + .config_aneg = at803x_config_aneg,
- +}, {
- + /* QCA8337 */
- + .phy_id = QCA8337_PHY_ID,
- + .phy_id_mask = QCA8K_PHY_ID_MASK,
- + .name = "Qualcomm Atheros 8337 internal PHY",
- + /* PHY_GBIT_FEATURES */
- + .probe = at803x_probe,
- + .flags = PHY_IS_INTERNAL,
- + .config_init = qca83xx_config_init,
- + .soft_reset = genphy_soft_reset,
- + .get_sset_count = qca83xx_get_sset_count,
- + .get_strings = qca83xx_get_strings,
- + .get_stats = qca83xx_get_stats,
- + .suspend = qca8337_suspend,
- + .resume = qca83xx_resume,
- +}, {
- + /* QCA8327-A from switch QCA8327-AL1A */
- + .phy_id = QCA8327_A_PHY_ID,
- + .phy_id_mask = QCA8K_PHY_ID_MASK,
- + .name = "Qualcomm Atheros 8327-A internal PHY",
- + /* PHY_GBIT_FEATURES */
- + .link_change_notify = qca83xx_link_change_notify,
- + .probe = at803x_probe,
- + .flags = PHY_IS_INTERNAL,
- + .config_init = qca8327_config_init,
- + .soft_reset = genphy_soft_reset,
- + .get_sset_count = qca83xx_get_sset_count,
- + .get_strings = qca83xx_get_strings,
- + .get_stats = qca83xx_get_stats,
- + .suspend = qca8327_suspend,
- + .resume = qca83xx_resume,
- +}, {
- + /* QCA8327-B from switch QCA8327-BL1A */
- + .phy_id = QCA8327_B_PHY_ID,
- + .phy_id_mask = QCA8K_PHY_ID_MASK,
- + .name = "Qualcomm Atheros 8327-B internal PHY",
- + /* PHY_GBIT_FEATURES */
- + .link_change_notify = qca83xx_link_change_notify,
- + .probe = at803x_probe,
- + .flags = PHY_IS_INTERNAL,
- + .config_init = qca8327_config_init,
- + .soft_reset = genphy_soft_reset,
- + .get_sset_count = qca83xx_get_sset_count,
- + .get_strings = qca83xx_get_strings,
- + .get_stats = qca83xx_get_stats,
- + .suspend = qca8327_suspend,
- + .resume = qca83xx_resume,
- +}, {
- + /* Qualcomm QCA8081 */
- + PHY_ID_MATCH_EXACT(QCA8081_PHY_ID),
- + .name = "Qualcomm QCA8081",
- + .flags = PHY_POLL_CABLE_TEST,
- + .probe = at803x_probe,
- + .config_intr = at803x_config_intr,
- + .handle_interrupt = at803x_handle_interrupt,
- + .get_tunable = at803x_get_tunable,
- + .set_tunable = at803x_set_tunable,
- + .set_wol = at803x_set_wol,
- + .get_wol = at803x_get_wol,
- + .get_features = qca808x_get_features,
- + .config_aneg = qca808x_config_aneg,
- + .suspend = genphy_suspend,
- + .resume = genphy_resume,
- + .read_status = qca808x_read_status,
- + .config_init = qca808x_config_init,
- + .soft_reset = qca808x_soft_reset,
- + .cable_test_start = qca808x_cable_test_start,
- + .cable_test_get_status = qca808x_cable_test_get_status,
- + .link_change_notify = qca808x_link_change_notify,
- + .led_brightness_set = qca808x_led_brightness_set,
- + .led_blink_set = qca808x_led_blink_set,
- + .led_hw_is_supported = qca808x_led_hw_is_supported,
- + .led_hw_control_set = qca808x_led_hw_control_set,
- + .led_hw_control_get = qca808x_led_hw_control_get,
- + .led_polarity_set = qca808x_led_polarity_set,
- +}, };
- +
- +module_phy_driver(at803x_driver);
- +
- +static struct mdio_device_id __maybe_unused atheros_tbl[] = {
- + { ATH8030_PHY_ID, AT8030_PHY_ID_MASK },
- + { PHY_ID_MATCH_EXACT(ATH8031_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(ATH8032_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(ATH8035_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(QCA8337_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(QCA8327_A_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(QCA8327_B_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(QCA9561_PHY_ID) },
- + { PHY_ID_MATCH_EXACT(QCA8081_PHY_ID) },
- + { }
- +};
- +
- +MODULE_DEVICE_TABLE(mdio, atheros_tbl);
|