| /* $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 |= SA_SHIRQ; /* 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); |
| } |