/* $Id: asuscom.c,v 1.14.2.4 2004/01/13 23:48:39 keil Exp $ * * low level stuff for ASUSCOM NETWORK INC. ISDNLink cards * * Author Karsten Keil * Copyright by Karsten Keil * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for information * */ #include #include #include "hisax.h" #include "isac.h" #include "ipac.h" #include "hscx.h" #include "isdnl1.h" static const char *Asuscom_revision = "$Revision: 1.14.2.4 $"; #define byteout(addr, val) outb(val, addr) #define bytein(addr) inb(addr) #define ASUS_ISAC 0 #define ASUS_HSCX 1 #define ASUS_ADR 2 #define ASUS_CTRL_U7 3 #define ASUS_CTRL_POTS 5 #define ASUS_IPAC_ALE 0 #define ASUS_IPAC_DATA 1 #define ASUS_ISACHSCX 1 #define ASUS_IPAC 2 /* CARD_ADR (Write) */ #define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */ static inline u_char readreg(unsigned int ale, unsigned int adr, u_char off) { register u_char ret; byteout(ale, off); ret = bytein(adr); return (ret); } static inline void readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) { byteout(ale, off); insb(adr, data, size); } static inline void writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) { byteout(ale, off); byteout(adr, data); } static inline void writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) { byteout(ale, off); outsb(adr, data, size); } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size) { readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size) { writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); } static u_char ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80)); } static void WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80, value); } static void ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size) { readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); } static void WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size) { writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.asus.adr, cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0))); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.asus.adr, cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \ cs->hw.asus.hscx, reg + (nr ? 0x40 : 0)) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \ cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data) #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \ cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \ cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) #include "hscx_irq.c" static irqreturn_t asuscom_interrupt(int intno, void *dev_id) { struct IsdnCardState *cs = dev_id; u_char val; u_long flags; spin_lock_irqsave(&cs->lock, flags); val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); Start_HSCX: if (val) hscx_int_main(cs, val); val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); Start_ISAC: if (val) isac_interrupt(cs, val); val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); if (val) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "HSCX IntStat after IntRoutine"); goto Start_HSCX; } val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); if (val) { if (cs->debug & L1_DEB_ISAC) debugl1(cs, "ISAC IntStat after IntRoutine"); goto Start_ISAC; } writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF); writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF); writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF); writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0); writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0); writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0); spin_unlock_irqrestore(&cs->lock, flags); return IRQ_HANDLED; } static irqreturn_t asuscom_interrupt_ipac(int intno, void *dev_id) { struct IsdnCardState *cs = dev_id; u_char ista, val, icnt = 5; u_long flags; spin_lock_irqsave(&cs->lock, flags); ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); Start_IPAC: if (cs->debug & L1_DEB_IPAC) debugl1(cs, "IPAC ISTA %02X", ista); if (ista & 0x0f) { val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); if (ista & 0x01) val |= 0x01; if (ista & 0x04) val |= 0x02; if (ista & 0x08) val |= 0x04; if (val) hscx_int_main(cs, val); } if (ista & 0x20) { val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80); if (val) { isac_interrupt(cs, val); } } if (ista & 0x10) { val = 0x01; isac_interrupt(cs, val); } ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); if ((ista & 0x3f) && icnt) { icnt--; goto Start_IPAC; } if (!icnt) printk(KERN_WARNING "ASUS IRQ LOOP\n"); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0); spin_unlock_irqrestore(&cs->lock, flags); return IRQ_HANDLED; } static void release_io_asuscom(struct IsdnCardState *cs) { int bytecnt = 8; if (cs->hw.asus.cfg_reg) release_region(cs->hw.asus.cfg_reg, bytecnt); } static void reset_asuscom(struct IsdnCardState *cs) { if (cs->subtyp == ASUS_IPAC) writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20); else byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */ mdelay(10); if (cs->subtyp == ASUS_IPAC) writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0); else byteout(cs->hw.asus.adr, 0); /* Reset Off */ mdelay(10); if (cs->subtyp == ASUS_IPAC) { writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0); writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12); } } static int Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg) { u_long flags; switch (mt) { case CARD_RESET: spin_lock_irqsave(&cs->lock, flags); reset_asuscom(cs); spin_unlock_irqrestore(&cs->lock, flags); return (0); case CARD_RELEASE: release_io_asuscom(cs); return (0); case CARD_INIT: spin_lock_irqsave(&cs->lock, flags); cs->debug |= L1_DEB_IPAC; 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 asus_ids[] __devinitdata = { { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), (unsigned long) "Asus1688 PnP" }, { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), (unsigned long) "Asus1690 PnP" }, { ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), (unsigned long) "Isurf2 PnP" }, { ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), (unsigned long) "Iscas TE320" }, { 0, } }; static struct isapnp_device_id *ipid __devinitdata = &asus_ids[0]; static struct pnp_card *pnp_c __devinitdata = NULL; #endif int __devinit setup_asuscom(struct IsdnCard *card) { int bytecnt; struct IsdnCardState *cs = card->cs; u_char val; char tmp[64]; strcpy(tmp, Asuscom_revision); printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_ASUSCOM) 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", __func__, err); return (0); } card->para[1] = pnp_port_start(pnp_d, 0); card->para[0] = pnp_irq(pnp_d, 0); if (!card->para[0] || !card->para[1]) { printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n", card->para[0], card->para[1]); pnp_disable_dev(pnp_d); return (0); } break; } else { printk(KERN_ERR "AsusPnP: PnP error card found, no device\n"); } } ipid++; pnp_c = NULL; } if (!ipid->card_vendor) { printk(KERN_INFO "AsusPnP: no ISAPnP card found\n"); return (0); } } #endif bytecnt = 8; cs->hw.asus.cfg_reg = card->para[1]; cs->irq = card->para[0]; if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) { printk(KERN_WARNING "HiSax: ISDNLink config port %x-%x already in use\n", cs->hw.asus.cfg_reg, cs->hw.asus.cfg_reg + bytecnt); return (0); } printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n", cs->hw.asus.cfg_reg, cs->irq); setup_isac(cs); cs->BC_Read_Reg = &ReadHSCX; cs->BC_Write_Reg = &WriteHSCX; cs->BC_Send_Data = &hscx_fill_fifo; cs->cardmsg = &Asus_card_msg; val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE, cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID); if ((val == 1) || (val == 2)) { cs->subtyp = ASUS_IPAC; cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE; cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; test_and_set_bit(HW_IPAC, &cs->HW_Flags); cs->readisac = &ReadISAC_IPAC; cs->writeisac = &WriteISAC_IPAC; cs->readisacfifo = &ReadISACfifo_IPAC; cs->writeisacfifo = &WriteISACfifo_IPAC; cs->irq_func = &asuscom_interrupt_ipac; printk(KERN_INFO "Asus: IPAC version %x\n", val); } else { cs->subtyp = ASUS_ISACHSCX; cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR; cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC; cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX; cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7; cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS; cs->readisac = &ReadISAC; cs->writeisac = &WriteISAC; cs->readisacfifo = &ReadISACfifo; cs->writeisacfifo = &WriteISACfifo; cs->irq_func = &asuscom_interrupt; ISACVersion(cs, "ISDNLink:"); if (HscxVersion(cs, "ISDNLink:")) { printk(KERN_WARNING "ISDNLink: wrong HSCX versions check IO address\n"); release_io_asuscom(cs); return (0); } } return (1); }