Cobalt LCD driver

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1、Remove ld brokenCobaC driver。Signeofy：oichiYuaa ncudelinx/pot.h-ilude linux/nhncd linux/mc14818tc。hinclude lnu/netdvice。#icludelschd。hnclude lnux/smp_ck。#inclde inux/dela.h-include aso。iclude -#inlude -iclud ”l。-atic ntlcd_il（trut inode*inoe, stct iie,- nsiged int m, signdlog arg)；tati nsigne it cd_

2、preset=;-/* used i arch/mis/cobaltset。 */int ldtate= 0;-#ifefined(CONFIG_TULP） -deieMAX_INERFAES8stai linceck_fuc_ linkchek_calbacksMAX_INTERACE;-staticvoid linkcheck_coesAX_INTERFES；-itlcdretr_likchk_fc(intaenu， void fuc,voidokie）if(ifacenu 0|- ifc_num MA_INTERFES linheck_calackice_nu ！= ULL）-retur

3、n 1；linchck_cllacksace_um = （likheckfuc_t) func；-lince_ookeiacu coie；retun 0；-difstaicint diotl（structinode*inode, tct fle file,- unsigne int cd, nigned long arg)tut lcddislay btton_dspy；-usigned londdress， ;-witch （cm）case D_On:udlay（15）;-uyChec（);LDWriteIns（00F)；-break;-cas LDOf：-udelay();usyCheck

4、（);-LDriIst(00);-break;case LCD_Reet：udeay(150）;LDWrieInst(0x3F);uelay(50);CDrteI（3F);udea（150)；-LCDrteIns（xF)；dely（15);LWrieInst（0F）;-udelay（15）;LCWiteIst(0x01）；elay（15）；-LCDrin(06);reak；cas LCD_Cla：-delay(150）；BusyCheck(）；LDiteInst(001）;bre；-cs LCD_Cuso_ft:udelay（150);BsyCe();LDrteIn（x10）;-brea；-c

5、e DCuror_Right：-udelay（150）；-BusChck（)；LCDWrteIns(0x14）；brak；-case L_Curso_f:-udeay(10)；-BsCheck（）;-CDWrites（0x0);break；cas C_uro_On：udela（10）；BusCeck（);LDWrieInst（0x0);beak；cae LCBikOff:eay(150）；syCheck（)；LDriteInt（0x0E）；reak；-cse LCD_Get_Cursor_os:strt lcddspla dspy；udely(150);BsyCeck（）；dsplay.cur

6、sor_ddres= （LDRedst);-isplay.crsor_adrs = （dilay。cursor_rss & 0x07F）;i (opy_to_use （structcd_iplay)arg， iplay, szeo(truct ld_dpla）trn EFAULT；ak;-case LCD_Set_Cuso_Pos:struct lc_dislay displa;-f (copy_from_use- （&display， （truc c_dipy*） r， sizeof(sruct ld_disply)）)rtrEAULT；-a (dipl.curs_ddress |kDAdr

7、）;delay（15);-BusCheck(）；CDWriteIns（a）；break；-case L_GetCursor:suct lcd_dslay display;-ueay(50)；-BusyChc（）;dspla.charaer LCDReaat；-if (copy_to_uer (suct lc_slay) ar, &display,- ieof（stuc cdispay)rtn -EUT；dela（150）；Busyhec()；-CDritens（0x10)；brk;ae LCD_Set_ror：strut cd_disly display；if （coy_frm_ur （dis

8、pla， (struct lcd_dspla ） arg, szof(su cd_disply）-rtrn EULT;uela(10);-BusyCheck();LCDWriteDat(display.caracter）;delay(15）;-Byhek（)；-LCiteInst（x10）；-beak;-case LC_Dis_eft：udel(15）；-BusyCek()；-CDWrteIs(0x1)；break；-cae LD_Dis_Right：udely（50)；BsyChek(）；DieInst（0x1C）；-break；-cae LCD_me:uelay(）;BusyCheck（)

9、；-LWrieIst(02)；-brak；-cse LC_Wrie:struct lc_diplay play；unsigned it index；-i(copyfro_usr （&disply, (tr ld_display *） ag, izeo（struct lcd_ispay)）-retunFAULT；la（15）;Buyheck（);LCDWriInst（080)；-deay（50)；usyhec(）;-fr（idex = 0; idx （disply.se1）;ind+） udlay（150);-BusyChk(）;CDWrData(ispyine1nde）；BusyCheck（）

10、;-udelay(5);usyeck()；LCDWteIns(0xC0)；udelay(15）；usChe（）；for (index =0； idx （displaysize2）; index+） udela(150)；usyChck（）；LCrteData（displa。line2index)；-bak；-cae LD_ead：-trt lcdiplysla;-BusyChek（）；fr（ddrss = DDR00； addres = kDDR1; dds+)-a （ars kLCD_Adr）；delay(150）;BuyCheck（);-LCDWritIt(）；udeay（5)；-heck

11、（）；-dsplaylie1ddres = LCDRdD;-dislayl10x27 = 0;-for (addes =kDD_R0; ddres DD_R1;- adss+） a（adress| kLC_Adr)；-uel(1）；Buyhek（)；-LDriteInst（a）；-uelay(150);-usyChek（）；isplyline2dress -0 = CDeadDa；-dispa。line2027 = ;-f （opy_touser (（rutlcddisla) g， &dslay， izeof（struct lcd_display）)）retur -AL;-bk；-/ et a

12、l PI s to ledsply.leds-aeLED_Set:stuct cd_dsplale_disply;-if（copy_ro_usr- （l_dipla， (sct lc_diplay )ar, sze（struc lcd_dply)）)-tun EFU；ed_state = ed_displlds；EDS(led_state)；reak；-/ s only eddiplayleds-cseLED_Bit_Set：-usninti;t bit 1；-sruc cddisplay led_disply；-if （_rom_sr （l_lay，(struct lcd_isl ） arg

13、, ize(srctlcd_display）)）retun EFAULT;-for(i ; i (int） l_display.leds； i+） bit = * bit；-led_tae = d_stae i;LEDSet（led_state）;rek；-/ clear only t le_display.lds-a LD_Bit_Cler：-sigednt ;int it=;struct d_dilay led_isplay;-i （py_fom_usr （leddisply， （struct cd_isla ) arg，- sizeo(tuct lcddiplay)）retur -FAU

14、LT；-o (i = ； i（it）le_dislay。ld；i） b = 2 bt；-led_ste = le_state & it；LEDet(le_tat);rek；-ce BUTON_ead:-tton_dila.butons= GPIed；i （oy_t_ur- （(strct ld_dsplay *) rg, bonspla， ieof（trc lc_dsay）)）reun EFAUT；-bak;-cse INK_Chck：-bton_dplauts =- *(volatleusigned long*） （0xB00060）; (opy_usr (srct lddisplay )a

15、r， &buttn_diplay,- seof（sruccd_dsly)）-renEFUT；break;-c INK_hk_2：it fenu;/ pne-til shud pass in the desid nerface stas s nted fr * in ttos of thstructure. ill set tis toonzero the- lnkisin ac p for te reese ite。 DvM /if（co_ro_sr- （&btto_diplay， （truct lcd_dipy ）arg, sizeo（buttonipay）)return EFULT；-ia

16、cenm button_dsly。btos;-i deine（NFIG_TULIP) & 0f(ifa_num =0 - ifac_num MXINTEFAS linkcheck_callbacsifac_n ！= NLL)uttn_lay.utts = lnchekcallbkice_num (linkchec_ookisfac_n）; ele#endifbuttpl。buttns 0;-f(op_t_user- (（struc lc_disply ) a, &uton_lay, sizeof（strut lcddisay)return-EAULT;brek；-efult:retun -EI

17、NVAL；-return ;-stti it cdopn（ruct no*ino, struct il*e）-cyclekrnellock（)；-f（！lcd_pest)-reurn ENI；elsetun ;* yRESET or NT cnasbttn ressd */-static inline int buton_rssed(void)unsige longbutns = GPIea；-i （(buttns = BUTTON_ex） | （buttos= BUTO_Next) | （bttons= BUTTON_set_B）)-retur button;reu 0；-/*EDdamos

18、its nhis and e wake hip onc spresed */-stti in lcd_watrs ；-sta ssie_lcdread(suc ile *e, char *buf， sz_tcount, lof_t ）-ongttn_ow；if(lcd_waiter 0)retur-EINV；-lcd_waiters+；while (（bttonnow = （long) btton_esed()）= 0)&- !(sgal_end（urrent)） msleepinerrupbl（20);-lcd_its;-if （sinal_pendig(current）-eturn-RET

19、ATYS；-retun bons_nw；-/*- he vaous we uport。-*-stic cons strct lc_fops -。read = d_read,ioc = lcd_ioctl，-.open= ldo，-；-sttic srucmiscevce ld_dev = MIDNAMC_MINOR,-lc,-&l_fops-;-saic int ld_init（oi)-t ret;unsige long dta;prifo（sn”， LCD_RVE)；-rt = msc_register（&cddev);f (ret)prit(KERWARNIN LCD ”Unable to

20、rester misc device。n)；rturn ret;- Check regio？ Naaah！ Jut narf it up。 */equest_egio(RTC_PORT(0）， RCIO_XTET， ”lc）;/-udelay（10);-data = LDeaData; (dat 0x000FF） =(000)）lcd_present = ；p_if(LCD”LC No Presentn”）；else -cdpresent= 1;-WRITE_GAL（kGal_evanP, kGal_DevBank2fg）;ITEGA(kGaevBankReg,kalevBak3Cf）;-re

21、turn ；stticvod _xit _ei(void)-misc_drgister(ld_dev)；-modue_iit(lc_ini）；modulexit（cd_xit);-ODUE_ATHOR(nre Bose);-MODUL_LICENE(GP”）;diff -puN X oe/uas/Mem/dontif iux-org/drivrs/char/lcd。h lin/drivers/cha/cd.h- linuxorig/diers/har/lcd208071520:03：.134050+900+ linux/rivers/ccd19001-01 09:00：0。00000000 0

22、90 1,154 +0，0 /*- LE, L and Bttonael drver fo Cobalt- * This bect tothe ems an nitions of he NU Genra Plc- *iense. Se file OPYIG in temaindietrofhs achiv- * fmoredils.- *- oyrght （）16，1997byAndrew Bos- * Lnux enel vrion hisoy: March 001:Port fom 2.0。34 yLiamves */-/functionedrs-dene LC_CHARS_PELNE40

23、-dfne MA_IDE_TME120-strut l_dispa unsignedutons; nt size1；- intsz2；- nsgnedchar line1L_CHAR_PER_LINE；- ungned chr line2D_CHAS_PERE； nsined c curorddess； unsined cha character；- ungne char ds； unsined car RomImage;-efine LCD_DRIVE”Cobalt LCD Driver v2.10-#deine LD”lc: -#efineLD_I0x00000-efinekD_D0x0F

24、0010#finekGIx0000000fiekLED0000000-#deie kDD0 000-dfiekDDR01 0x7-#efine kD_R10 x4defekDD_R1 -defne kLD_Adr 0x000-#dfin LCDTimetVaeff/ Mros#define CDWieDat（x)oul(x 24)， CDDR）dfinCWriteIt(x）otl（x 4)#defeLEDe（x）ob（ha)x， ED)-deineWRIT_AL(，y）out（, 0000000 （x）-#defie uyck（）wil(ReaIn x80) = 080）-/*Fcti oma

25、nd codesfo _tl */defineCDOn1-#define LCD_Of2define LCD_Cler3#dfne LCD_Reset4defeLD_CursoLeftefine C_Cursor_Right6#defe LC_Disp_L7#defiLCD_Disp_Rig8defineLCD_Get_Cursor9#dfie LD_Set_Cusor10#defe LC_Hoe11#deine LDRe12-efine CD_rite13efn L_CroOff4-dfne CD_ursor_O15#den C_Get_usor_os1defineLCD_SetCrsr_P

26、os7-efineLCDBln_Of 18-defne LD_et40-defi LD_B_et41#deiLED_Bit_lear42/ Buo esdef BUTTO_ed 50/ Ethernet LNK heckhackro#eie NK_Chec 90-efinKCec_291-/Butonpter B - sig ayer lcdboardsfine BTO_NO x3FefneBUTTON_ONE_B 0FE-ei BUTTNft x3Bdfin UTON_eftB 0xFA-#fie BUTTONRght 03-#defineTON_Right_B 0DEn UTN_ 0xFd

27、efine TTO_B 0xFdefBUTTON_Dwn 0x1F#defie BUTO_DonB xE-#dfnBUTTONe 0xDdefneBUTTON_Next 0E-efe BUTON_Ente 0x3-#ineBUTON_EnteB 0xBE-eine BTTN_ReseB xdebounce cnstns-#deine BTON_SENSE 600#dine BODOUNC00/ Galileo registrtf-dein kal_DevBan2Cfg 0x1466DB3#defiekG_DevBankRe 0x6defie Gl_eBak3Cfg x146FDFB#defe kGaleBank3PRe x468/etwork-defie IDDR1-dfine kNETMAS2#defne kGATWAY3#dfn DN4-dfine kCasA5defin klass6#defne klassC-文中不足之处，请您见谅！18 / 18