/* $Id: teles3.c,v 2.19.2.4 2004/01/13 23:48:39 keil Exp $ * * low level stuff for Teles 16.3 & PNP isdn cards * * Author Karsten Keil * Copyright by Karsten Keil <keil@isdn4linux.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * Thanks to Jan den Ouden * Fritz Elfert * Beat Doebeli * */ #include <linux/init.h> #include <linux/isapnp.h> #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" extern const char *CardType[]; static const char *teles3_revision = "$Revision: 2.19.2.4 $"; #define byteout(addr,val) outb(val,addr) #define bytein(addr) inb(addr) static inline u_char readreg(unsigned int adr, u_char off) { return (bytein(adr + off)); } static inline void writereg(unsigned int adr, u_char off, u_char data) { byteout(adr + off, data); } static inline void read_fifo(unsigned int adr, u_char * data, int size) { insb(adr, data, size); } static void write_fifo(unsigned int adr, u_char * data, int size) { outsb(adr, data, size); } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.teles3.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.teles3.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { read_fifo(cs->hw.teles3.isacfifo, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { write_fifo(cs->hw.teles3.isacfifo, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.teles3.hscx[hscx], offset)); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.teles3.hscx[hscx], offset, value); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) readreg(cs->hw.teles3.hscx[nr], reg) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.teles3.hscx[nr], reg, data) #define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.teles3.hscxfifo[nr], ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.teles3.hscxfifo[nr], ptr, cnt) #include "hscx_irq.c" static irqreturn_t teles3_interrupt(int intno, void *dev_id, struct pt_regs *regs) { #define MAXCOUNT 5 struct IsdnCardState *cs = dev_id; u_char val; u_long flags; int count = 0; spin_lock_irqsave(&cs->lock, flags); val = readreg(cs->hw.teles3.hscx[1], HSCX_ISTA); Start_HSCX: if (val) hscx_int_main(cs, val); val = readreg(cs->hw.teles3.isac, ISAC_ISTA); Start_ISAC: if (val) isac_interrupt(cs, val); count++; val = readreg(cs->hw.teles3.hscx[1], HSCX_ISTA); if (val && count < MAXCOUNT) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "HSCX IntStat after IntRoutine"); goto Start_HSCX; } val = readreg(cs->hw.teles3.isac, ISAC_ISTA); if (val && count < MAXCOUNT) { if (cs->debug & L1_DEB_ISAC) debugl1(cs, "ISAC IntStat after IntRoutine"); goto Start_ISAC; } if (count >= MAXCOUNT) printk(KERN_WARNING "Teles3: more than %d loops in teles3_interrupt\n", count); writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0xFF); writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0xFF); writereg(cs->hw.teles3.isac, ISAC_MASK, 0xFF); writereg(cs->hw.teles3.isac, ISAC_MASK, 0x0); writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0x0); writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0x0); spin_unlock_irqrestore(&cs->lock, flags); return IRQ_HANDLED; } static inline void release_ioregs(struct IsdnCardState *cs, int mask) { if (mask & 1) release_region(cs->hw.teles3.isac + 32, 32); if (mask & 2) release_region(cs->hw.teles3.hscx[0] + 32, 32); if (mask & 4) release_region(cs->hw.teles3.hscx[1] + 32, 32); } static void release_io_teles3(struct IsdnCardState *cs) { if (cs->typ == ISDN_CTYPE_TELESPCMCIA) { release_region(cs->hw.teles3.hscx[1], 96); } else { if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { release_region(cs->hw.teles3.cfg_reg, 1); } else { release_region(cs->hw.teles3.cfg_reg, 8); } } release_ioregs(cs, 0x7); } } static int reset_teles3(struct IsdnCardState *cs) { u_char irqcfg; if (cs->typ != ISDN_CTYPE_TELESPCMCIA) { if ((cs->hw.teles3.cfg_reg) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA)) { switch (cs->irq) { case 2: case 9: irqcfg = 0x00; break; case 3: irqcfg = 0x02; break; case 4: irqcfg = 0x04; break; case 5: irqcfg = 0x06; break; case 10: irqcfg = 0x08; break; case 11: irqcfg = 0x0A; break; case 12: irqcfg = 0x0C; break; case 15: irqcfg = 0x0E; break; default: return(1); } byteout(cs->hw.teles3.cfg_reg + 4, irqcfg); HZDELAY(HZ / 10 + 1); byteout(cs->hw.teles3.cfg_reg + 4, irqcfg | 1); HZDELAY(HZ / 10 + 1); } else if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { byteout(cs->hw.teles3.cfg_reg, 0xff); HZDELAY(2); byteout(cs->hw.teles3.cfg_reg, 0x00); HZDELAY(2); } else { /* Reset off for 16.3 PnP , thanks to Georg Acher */ byteout(cs->hw.teles3.isac + 0x3c, 0); HZDELAY(2); byteout(cs->hw.teles3.isac + 0x3c, 1); HZDELAY(2); } } return(0); } static int Teles_card_msg(struct IsdnCardState *cs, int mt, void *arg) { u_long flags; switch (mt) { case CARD_RESET: spin_lock_irqsave(&cs->lock, flags); reset_teles3(cs); spin_unlock_irqrestore(&cs->lock, flags); return(0); case CARD_RELEASE: release_io_teles3(cs); return(0); case CARD_INIT: spin_lock_irqsave(&cs->lock, flags); inithscxisac(cs, 3); spin_unlock_irqrestore(&cs->lock, flags); return(0); case CARD_TEST: return(0); } return(0); } #ifdef __ISAPNP__ static struct isapnp_device_id teles_ids[] __devinitdata = { { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2110), ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2110), (unsigned long) "Teles 16.3 PnP" }, { ISAPNP_VENDOR('C', 'T', 'X'), ISAPNP_FUNCTION(0x0), ISAPNP_VENDOR('C', 'T', 'X'), ISAPNP_FUNCTION(0x0), (unsigned long) "Creatix 16.3 PnP" }, { ISAPNP_VENDOR('C', 'P', 'Q'), ISAPNP_FUNCTION(0x1002), ISAPNP_VENDOR('C', 'P', 'Q'), ISAPNP_FUNCTION(0x1002), (unsigned long) "Compaq ISDN S0" }, { 0, } }; static struct isapnp_device_id *ipid __devinitdata = &teles_ids[0]; static struct pnp_card *pnp_c __devinitdata = NULL; #endif int __devinit setup_teles3(struct IsdnCard *card) { u_char val; struct IsdnCardState *cs = card->cs; char tmp[64]; strcpy(tmp, teles3_revision); printk(KERN_INFO "HiSax: Teles IO driver Rev. %s\n", HiSax_getrev(tmp)); if ((cs->typ != ISDN_CTYPE_16_3) && (cs->typ != ISDN_CTYPE_PNP) && (cs->typ != ISDN_CTYPE_TELESPCMCIA) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA)) return (0); #ifdef __ISAPNP__ if (!card->para[1] && isapnp_present()) { struct pnp_dev *pnp_d; while(ipid->card_vendor) { if ((pnp_c = pnp_find_card(ipid->card_vendor, ipid->card_device, pnp_c))) { pnp_d = NULL; if ((pnp_d = pnp_find_dev(pnp_c, ipid->vendor, ipid->function, pnp_d))) { int err; printk(KERN_INFO "HiSax: %s detected\n", (char *)ipid->driver_data); pnp_disable_dev(pnp_d); err = pnp_activate_dev(pnp_d); if (err<0) { printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", __FUNCTION__, err); return(0); } card->para[3] = pnp_port_start(pnp_d, 2); card->para[2] = pnp_port_start(pnp_d, 1); card->para[1] = pnp_port_start(pnp_d, 0); card->para[0] = pnp_irq(pnp_d, 0); if (!card->para[0] || !card->para[1] || !card->para[2]) { printk(KERN_ERR "Teles PnP:some resources are missing %ld/%lx/%lx\n", card->para[0], card->para[1], card->para[2]); pnp_disable_dev(pnp_d); return(0); } break; } else { printk(KERN_ERR "Teles PnP: PnP error card found, no device\n"); } } ipid++; pnp_c = NULL; } if (!ipid->card_vendor) { printk(KERN_INFO "Teles PnP: no ISAPnP card found\n"); return(0); } } #endif if (cs->typ == ISDN_CTYPE_16_3) { cs->hw.teles3.cfg_reg = card->para[1]; switch (cs->hw.teles3.cfg_reg) { case 0x180: case 0x280: case 0x380: cs->hw.teles3.cfg_reg |= 0xc00; break; } cs->hw.teles3.isac = cs->hw.teles3.cfg_reg - 0x420; cs->hw.teles3.hscx[0] = cs->hw.teles3.cfg_reg - 0xc20; cs->hw.teles3.hscx[1] = cs->hw.teles3.cfg_reg - 0x820; } else if (cs->typ == ISDN_CTYPE_TELESPCMCIA) { cs->hw.teles3.cfg_reg = 0; cs->hw.teles3.hscx[0] = card->para[1] - 0x20; cs->hw.teles3.hscx[1] = card->para[1]; cs->hw.teles3.isac = card->para[1] + 0x20; } else if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { cs->hw.teles3.cfg_reg = card->para[3]; cs->hw.teles3.isac = card->para[2] - 32; cs->hw.teles3.hscx[0] = card->para[1] - 32; cs->hw.teles3.hscx[1] = card->para[1]; } else { /* PNP */ cs->hw.teles3.cfg_reg = 0; cs->hw.teles3.isac = card->para[1] - 32; cs->hw.teles3.hscx[0] = card->para[2] - 32; cs->hw.teles3.hscx[1] = card->para[2]; } cs->irq = card->para[0]; cs->hw.teles3.isacfifo = cs->hw.teles3.isac + 0x3e; cs->hw.teles3.hscxfifo[0] = cs->hw.teles3.hscx[0] + 0x3e; cs->hw.teles3.hscxfifo[1] = cs->hw.teles3.hscx[1] + 0x3e; if (cs->typ == ISDN_CTYPE_TELESPCMCIA) { if (!request_region(cs->hw.teles3.hscx[1], 96, "HiSax Teles PCMCIA")) { printk(KERN_WARNING "HiSax: %s ports %x-%x already in use\n", CardType[cs->typ], cs->hw.teles3.hscx[1], cs->hw.teles3.hscx[1] + 96); return (0); } cs->irq_flags |= IRQF_SHARED; /* cardbus can share */ } else { if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { if (!request_region(cs->hw.teles3.cfg_reg, 1, "teles3 cfg")) { printk(KERN_WARNING "HiSax: %s config port %x already in use\n", CardType[card->typ], cs->hw.teles3.cfg_reg); return (0); } } else { if (!request_region(cs->hw.teles3.cfg_reg, 8, "teles3 cfg")) { printk(KERN_WARNING "HiSax: %s config port %x-%x already in use\n", CardType[card->typ], cs->hw.teles3.cfg_reg, cs->hw.teles3.cfg_reg + 8); return (0); } } } if (!request_region(cs->hw.teles3.isac + 32, 32, "HiSax isac")) { printk(KERN_WARNING "HiSax: %s isac ports %x-%x already in use\n", CardType[cs->typ], cs->hw.teles3.isac + 32, cs->hw.teles3.isac + 64); if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { release_region(cs->hw.teles3.cfg_reg, 1); } else { release_region(cs->hw.teles3.cfg_reg, 8); } } return (0); } if (!request_region(cs->hw.teles3.hscx[0] + 32, 32, "HiSax hscx A")) { printk(KERN_WARNING "HiSax: %s hscx A ports %x-%x already in use\n", CardType[cs->typ], cs->hw.teles3.hscx[0] + 32, cs->hw.teles3.hscx[0] + 64); if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { release_region(cs->hw.teles3.cfg_reg, 1); } else { release_region(cs->hw.teles3.cfg_reg, 8); } } release_ioregs(cs, 1); return (0); } if (!request_region(cs->hw.teles3.hscx[1] + 32, 32, "HiSax hscx B")) { printk(KERN_WARNING "HiSax: %s hscx B ports %x-%x already in use\n", CardType[cs->typ], cs->hw.teles3.hscx[1] + 32, cs->hw.teles3.hscx[1] + 64); if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { release_region(cs->hw.teles3.cfg_reg, 1); } else { release_region(cs->hw.teles3.cfg_reg, 8); } } release_ioregs(cs, 3); return (0); } } if ((cs->hw.teles3.cfg_reg) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA)) { if ((val = bytein(cs->hw.teles3.cfg_reg + 0)) != 0x51) { printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n", cs->hw.teles3.cfg_reg + 0, val); release_io_teles3(cs); return (0); } if ((val = bytein(cs->hw.teles3.cfg_reg + 1)) != 0x93) { printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n", cs->hw.teles3.cfg_reg + 1, val); release_io_teles3(cs); return (0); } val = bytein(cs->hw.teles3.cfg_reg + 2);/* 0x1e=without AB * 0x1f=with AB * 0x1c 16.3 ??? * 0x39 16.3 1.1 * 0x38 16.3 1.3 * 0x46 16.3 with AB + Video (Teles-Vision) */ if (val != 0x46 && val != 0x39 && val != 0x38 && val != 0x1c && val != 0x1e && val != 0x1f) { printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n", cs->hw.teles3.cfg_reg + 2, val); release_io_teles3(cs); return (0); } } printk(KERN_INFO "HiSax: %s config irq:%d isac:0x%X cfg:0x%X\n", CardType[cs->typ], cs->irq, cs->hw.teles3.isac + 32, cs->hw.teles3.cfg_reg); printk(KERN_INFO "HiSax: hscx A:0x%X hscx B:0x%X\n", cs->hw.teles3.hscx[0] + 32, cs->hw.teles3.hscx[1] + 32); setup_isac(cs); if (reset_teles3(cs)) { printk(KERN_WARNING "Teles3: wrong IRQ\n"); release_io_teles3(cs); return (0); } cs->readisac = &ReadISAC; cs->writeisac = &WriteISAC; cs->readisacfifo = &ReadISACfifo; cs->writeisacfifo = &WriteISACfifo; cs->BC_Read_Reg = &ReadHSCX; cs->BC_Write_Reg = &WriteHSCX; cs->BC_Send_Data = &hscx_fill_fifo; cs->cardmsg = &Teles_card_msg; cs->irq_func = &teles3_interrupt; ISACVersion(cs, "Teles3:"); if (HscxVersion(cs, "Teles3:")) { printk(KERN_WARNING "Teles3: wrong HSCX versions check IO address\n"); release_io_teles3(cs); return (0); } return (1); }