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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [teles3.c] - Rev 1772
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/* $Id: teles3.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $ * teles3.c low level stuff for Teles 16.3 & PNP isdn cards * * based on the teles driver from Jan den Ouden * * Author Karsten Keil (keil@temic-ech.spacenet.de) * * Thanks to Jan den Ouden * Fritz Elfert * Beat Doebeli * * $Log: not supported by cvs2svn $ * Revision 1.1.1.1 2001/09/10 07:44:19 simons * Initial import * * Revision 1.1.1.1 2001/07/02 17:58:32 simons * Initial revision * * Revision 1.11.2.9 1998/04/08 21:58:52 keil * New init code * * Revision 1.11.2.8 1998/01/27 22:37:46 keil * fast io * * Revision 1.11.2.7 1998/01/11 22:58:01 keil * make IRQ 9 working again * * Revision 1.11.2.6 1997/12/01 22:35:43 keil * ID Byte for 16.3 version 1.1 * * Revision 1.11.2.5 1997/11/15 18:51:03 keil * new common init function * * Revision 1.11.2.4 1997/10/17 22:14:30 keil * update to last hisax version * * Revision 2.1 1997/07/27 21:47:12 keil * new interface structures * * Revision 2.0 1997/06/26 11:02:46 keil * New Layer and card interface * * Revision 1.11 1997/04/13 19:54:05 keil * Change in IRQ check delay for SMP * * Revision 1.10 1997/04/06 22:54:05 keil * Using SKB's * * Revision 1.9 1997/03/22 02:01:07 fritz * -Reworked toplevel Makefile. From now on, no different Makefiles * for standalone- and in-kernel-compilation are needed any more. * -Added local Rules.make for above reason. * -Experimental changes in teles3.c for enhanced IRQ-checking with * 2.1.X and SMP kernels. * -Removed diffstd-script, same functionality is in stddiff -r. * -Enhanced scripts std2kern and stddiff. * * Revision 1.8 1997/02/23 18:43:55 fritz * Added support for Teles-Vision. * * Revision 1.7 1997/01/28 22:48:33 keil * fixes for Teles PCMCIA (Christof Petig) * * Revision 1.6 1997/01/27 15:52:55 keil * SMP proof,cosmetics, PCMCIA added * * removed old log info /KKe * */ #define __NO_VERSION__ #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" extern const char *CardType[]; const char *teles3_revision = "$Revision: 1.1 $"; #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 void teles3_interrupt(int intno, void *dev_id, struct pt_regs *regs) { #define MAXCOUNT 20 struct IsdnCardState *cs = dev_id; u_char val, stat = 0; int count = 0; if (!cs) { printk(KERN_WARNING "Teles: Spurious interrupt!\n"); return; } val = readreg(cs->hw.teles3.hscx[1], HSCX_ISTA); Start_HSCX: if (val) { hscx_int_main(cs, val); stat |= 1; } val = readreg(cs->hw.teles3.isac, ISAC_ISTA); Start_ISAC: if (val) { isac_interrupt(cs, val); stat |= 2; } 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); if (stat & 1) { writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0xFF); writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0xFF); writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0x0); writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0x0); } if (stat & 2) { writereg(cs->hw.teles3.isac, ISAC_MASK, 0xFF); writereg(cs->hw.teles3.isac, ISAC_MASK, 0x0); } } inline static 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); } void release_io_teles3(struct IsdnCardState *cs) { if (cs->typ == ISDN_CTYPE_TELESPCMCIA) release_region(cs->hw.teles3.cfg_reg, 97); 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) { long flags; 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); } save_flags(flags); byteout(cs->hw.teles3.cfg_reg + 4, irqcfg); sti(); HZDELAY(HZ / 10 + 1); byteout(cs->hw.teles3.cfg_reg + 4, irqcfg | 1); HZDELAY(HZ / 10 + 1); restore_flags(flags); } else if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { save_flags(flags); byteout(cs->hw.teles3.cfg_reg, 0xff); HZDELAY(2); byteout(cs->hw.teles3.cfg_reg, 0x00); HZDELAY(2); restore_flags(flags); } else { /* Reset off for 16.3 PnP , thanks to Georg Acher */ save_flags(flags); byteout(cs->hw.teles3.isac + 0x3c, 0); HZDELAY(2); byteout(cs->hw.teles3.isac + 0x3c, 1); HZDELAY(2); restore_flags(flags); } } return(0); } static int Teles_card_msg(struct IsdnCardState *cs, int mt, void *arg) { switch (mt) { case CARD_RESET: reset_teles3(cs); return(0); case CARD_RELEASE: release_io_teles3(cs); return(0); case CARD_SETIRQ: return(request_irq(cs->irq, &teles3_interrupt, I4L_IRQ_FLAG, "HiSax", cs)); case CARD_INIT: inithscxisac(cs, 3); return(0); case CARD_TEST: return(0); } return(0); } __initfunc(int 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); 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 = card->para[1]; 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 (check_region((cs->hw.teles3.cfg_reg), 97)) { printk(KERN_WARNING "HiSax: %s ports %x-%x already in use\n", CardType[cs->typ], cs->hw.teles3.cfg_reg, cs->hw.teles3.cfg_reg + 96); return (0); } else request_region(cs->hw.teles3.hscx[0], 97, "HiSax Teles PCMCIA"); } else { if (cs->hw.teles3.cfg_reg) { if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) { if (check_region((cs->hw.teles3.cfg_reg), 1)) { printk(KERN_WARNING "HiSax: %s config port %x already in use\n", CardType[card->typ], cs->hw.teles3.cfg_reg); return (0); } else request_region(cs->hw.teles3.cfg_reg, 1, "teles3 cfg"); } else { if (check_region((cs->hw.teles3.cfg_reg), 8)) { 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); } else request_region(cs->hw.teles3.cfg_reg, 8, "teles3 cfg"); } } if (check_region((cs->hw.teles3.isac + 32), 32)) { 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); } else request_region(cs->hw.teles3.isac + 32, 32, "HiSax isac"); if (check_region((cs->hw.teles3.hscx[0] + 32), 32)) { 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); } else request_region(cs->hw.teles3.hscx[0] + 32, 32, "HiSax hscx A"); if (check_region((cs->hw.teles3.hscx[1] + 32), 32)) { 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); } else request_region(cs->hw.teles3.hscx[1] + 32, 32, "HiSax hscx B"); } 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 * 0x46 16.3 with AB + Video (Teles-Vision) */ if (val != 0x46 && val != 0x39 && 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); 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; 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); }
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