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