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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [teles3c.c] - Rev 1772
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/* $Id: teles3c.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $ * teles3c.c low level stuff for teles 16.3c * * Author Karsten Keil (keil@isdn4linux.de) * * * $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 1.1.2.3 1998/11/03 00:07:40 keil * certification related changes * fixed logging for smaller stack use * * Revision 1.1.2.2 1998/01/27 22:40:37 keil * fixed IRQ latency, B-channel selection and more * * Revision 1.1.2.1 1998/01/11 22:54:04 keil * Teles 16.3c (HFC 2BDS0) first version * * */ #define __NO_VERSION__ #include "hisax.h" #include "hfc_2bds0.h" #include "isdnl1.h" extern const char *CardType[]; const char *teles163c_revision = "$Revision: 1.1 $"; static void t163c_interrupt(int intno, void *dev_id, struct pt_regs *regs) { struct IsdnCardState *cs = dev_id; u_char val, stat; if (!cs) { printk(KERN_WARNING "teles3c: Spurious interrupt!\n"); return; } if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) & (stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) { val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1); if (cs->debug & L1_DEB_ISAC) debugl1(cs, "teles3c: stat(%02x) s1(%02x)", stat, val); hfc2bds0_interrupt(cs, val); } else { if (cs->debug & L1_DEB_ISAC) debugl1(cs, "teles3c: irq_no_irq stat(%02x)", stat); } } static void t163c_Timer(struct IsdnCardState *cs) { cs->hw.hfcD.timer.expires = jiffies + 75; /* WD RESET */ /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80); add_timer(&cs->hw.hfcD.timer); */ } void release_io_t163c(struct IsdnCardState *cs) { release2bds0(cs); del_timer(&cs->hw.hfcD.timer); if (cs->hw.hfcD.addr) release_region(cs->hw.hfcD.addr, 2); } static void reset_t163c(struct IsdnCardState *cs) { long flags; printk(KERN_INFO "teles3c: resetting card\n"); cs->hw.hfcD.cirm = HFCD_RESET | HFCD_MEM8K; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset On */ save_flags(flags); sti(); current->state = TASK_INTERRUPTIBLE; current->timeout = jiffies + 3; schedule(); cs->hw.hfcD.cirm = HFCD_MEM8K; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset Off */ current->state = TASK_INTERRUPTIBLE; current->timeout = jiffies + 1; schedule(); cs->hw.hfcD.cirm |= HFCD_INTB; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* INT B */ cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e); cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */ cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt); cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE; cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS | HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC | HFCD_INTS_DREC | HFCD_INTS_L1STATE; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1); cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2); cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */ udelay(10); cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */ cs->hw.hfcD.mst_m = 0; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, HFCD_MASTER); /* HFC Master */ cs->hw.hfcD.sctrl = 0; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl); restore_flags(flags); } static int t163c_card_msg(struct IsdnCardState *cs, int mt, void *arg) { long flags; if (cs->debug & L1_DEB_ISAC) debugl1(cs, "teles3c: card_msg %x", mt); switch (mt) { case CARD_RESET: reset_t163c(cs); return(0); case CARD_RELEASE: release_io_t163c(cs); return(0); case CARD_SETIRQ: cs->hw.hfcD.timer.expires = jiffies + 75; add_timer(&cs->hw.hfcD.timer); return(request_irq(cs->irq, &t163c_interrupt, I4L_IRQ_FLAG, "HiSax", cs)); case CARD_INIT: init2bds0(cs); save_flags(flags); sti(); current->state = TASK_INTERRUPTIBLE; current->timeout = jiffies + (80*HZ)/1000; schedule(); cs->hw.hfcD.ctmt |= HFCD_TIM800; cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt); cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); restore_flags(flags); return(0); case CARD_TEST: return(0); } return(0); } __initfunc(int setup_t163c(struct IsdnCard *card)) { struct IsdnCardState *cs = card->cs; char tmp[64]; strcpy(tmp, teles163c_revision); printk(KERN_INFO "HiSax: Teles 16.3c driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_TELES3C) return (0); cs->debug = 0xff; cs->hw.hfcD.addr = card->para[1] & 0xfffe; cs->irq = card->para[0]; cs->hw.hfcD.cip = 0; cs->hw.hfcD.int_s1 = 0; cs->hw.hfcD.send = NULL; cs->bcs[0].hw.hfc.send = NULL; cs->bcs[1].hw.hfc.send = NULL; cs->hw.hfcD.bfifosize = 1024 + 512; cs->hw.hfcD.dfifosize = 512; cs->ph_state = 0; cs->hw.hfcD.fifo = 255; if (check_region((cs->hw.hfcD.addr), 2)) { printk(KERN_WARNING "HiSax: %s config port %x-%x already in use\n", CardType[card->typ], cs->hw.hfcD.addr, cs->hw.hfcD.addr + 2); return (0); } else { request_region(cs->hw.hfcD.addr, 2, "teles3c isdn"); } /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */ outb(0x00, cs->hw.hfcD.addr); outb(0x56, cs->hw.hfcD.addr | 1); printk(KERN_INFO "teles3c: defined at 0x%x IRQ %d HZ %d\n", cs->hw.hfcD.addr, cs->irq, HZ); set_cs_func(cs); cs->hw.hfcD.timer.function = (void *) t163c_Timer; cs->hw.hfcD.timer.data = (long) cs; init_timer(&cs->hw.hfcD.timer); reset_t163c(cs); cs->cardmsg = &t163c_card_msg; return (1); }
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