1997-10-29 18:51:21 +00:00
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/* $Id$
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* mic.c low level stuff for mic cards
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*
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* Copyright (C) 1997
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*
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* Author Stephan von Krawczynski <skraw@ithnet.com>
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*
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*
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* $Log$
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1999-07-12 21:05:34 +00:00
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* Revision 1.7 1998/04/15 16:44:32 keil
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* new init code
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*
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1998-04-15 16:46:53 +00:00
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* Revision 1.6 1998/02/17 15:39:57 keil
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* fix reset problem
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*
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1998-02-17 15:39:57 +00:00
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* Revision 1.5 1998/02/02 13:29:43 keil
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* fast io
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*
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1998-02-02 13:29:48 +00:00
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* Revision 1.4 1997/11/08 21:35:51 keil
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* new l1 init
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*
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1997-11-08 21:35:56 +00:00
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* Revision 1.3 1997/11/06 17:09:11 keil
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* New 2.1 init code
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*
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1997-11-06 17:13:35 +00:00
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* Revision 1.2 1997/10/29 18:51:17 keil
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* New files
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*
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1997-10-29 18:51:21 +00:00
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* Revision 1.1.2.1 1997/10/17 22:10:54 keil
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* new files on 2.0
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*
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*
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*/
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#define __NO_VERSION__
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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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extern const char *CardType[];
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const char *mic_revision = "$Revision$";
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1998-02-02 13:29:48 +00:00
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#define byteout(addr,val) outb(val,addr)
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#define bytein(addr) inb(addr)
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1997-10-29 18:51:21 +00:00
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1997-11-08 21:35:56 +00:00
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#define MIC_ISAC 2
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#define MIC_HSCX 1
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#define MIC_ADR 7
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/* CARD_ADR (Write) */
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#define MIC_RESET 0x3 /* same as DOS driver */
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1997-10-29 18:51:21 +00:00
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static inline u_char
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readreg(unsigned int ale, unsigned int adr, u_char off)
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{
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register u_char ret;
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long flags;
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save_flags(flags);
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cli();
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byteout(ale, off);
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ret = bytein(adr);
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restore_flags(flags);
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return (ret);
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}
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static inline void
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readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
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{
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/* fifo read without cli because it's allready done */
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byteout(ale, off);
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insb(adr, data, size);
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}
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static inline void
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writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
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{
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long flags;
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save_flags(flags);
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cli();
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byteout(ale, off);
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byteout(adr, data);
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restore_flags(flags);
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}
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static inline void
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writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
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{
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/* fifo write without cli because it's allready done */
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byteout(ale, off);
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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.mic.adr, cs->hw.mic.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.mic.adr, cs->hw.mic.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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readfifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, 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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writefifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, 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.mic.adr,
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cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0)));
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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.mic.adr,
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cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0), 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.mic.adr, \
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cs->hw.mic.hscx, reg + (nr ? 0x40 : 0))
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#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.mic.adr, \
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cs->hw.mic.hscx, reg + (nr ? 0x40 : 0), data)
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#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.mic.adr, \
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cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)
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#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.mic.adr, \
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cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)
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#include "hscx_irq.c"
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static void
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1997-11-06 17:13:35 +00:00
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mic_interrupt(int intno, void *dev_id, struct pt_regs *regs)
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1997-10-29 18:51:21 +00:00
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{
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1997-11-06 17:13:35 +00:00
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struct IsdnCardState *cs = dev_id;
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1999-07-12 21:05:34 +00:00
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u_char val;
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1997-10-29 18:51:21 +00:00
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if (!cs) {
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printk(KERN_WARNING "mic: Spurious interrupt!\n");
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return;
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}
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val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);
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Start_HSCX:
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1999-07-12 21:05:34 +00:00
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if (val)
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1997-10-29 18:51:21 +00:00
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hscx_int_main(cs, val);
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val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);
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Start_ISAC:
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1999-07-12 21:05:34 +00:00
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if (val)
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1997-10-29 18:51:21 +00:00
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isac_interrupt(cs, val);
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val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);
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if (val) {
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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.mic.adr, cs->hw.mic.isac, ISAC_ISTA);
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if (val) {
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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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1999-07-12 21:05:34 +00:00
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writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0xFF);
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writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0xFF);
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writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0xFF);
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writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0x0);
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writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0x0);
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writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0x0);
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1997-10-29 18:51:21 +00:00
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}
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void
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1997-11-08 21:35:56 +00:00
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release_io_mic(struct IsdnCardState *cs)
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1997-10-29 18:51:21 +00:00
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{
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int bytecnt = 8;
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1997-11-08 21:35:56 +00:00
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if (cs->hw.mic.cfg_reg)
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release_region(cs->hw.mic.cfg_reg, bytecnt);
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1997-10-29 18:51:21 +00:00
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}
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1997-11-08 21:35:56 +00:00
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static int
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1997-10-29 18:51:21 +00:00
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mic_card_msg(struct IsdnCardState *cs, int mt, void *arg)
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{
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1997-11-08 21:35:56 +00:00
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switch (mt) {
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case CARD_RESET:
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return(0);
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case CARD_RELEASE:
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release_io_mic(cs);
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return(0);
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case CARD_INIT:
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1998-02-17 15:39:57 +00:00
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inithscx(cs); /* /RTSA := ISAC RST */
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1998-04-15 16:46:53 +00:00
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inithscxisac(cs, 3);
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1997-11-08 21:35:56 +00:00
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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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1997-10-29 18:51:21 +00:00
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}
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1997-11-06 17:13:35 +00:00
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__initfunc(int
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setup_mic(struct IsdnCard *card))
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1997-10-29 18:51:21 +00:00
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{
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int bytecnt;
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struct IsdnCardState *cs = card->cs;
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char tmp[64];
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strcpy(tmp, mic_revision);
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1997-11-06 17:13:35 +00:00
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printk(KERN_INFO "HiSax: mic driver Rev. %s\n", HiSax_getrev(tmp));
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1997-10-29 18:51:21 +00:00
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if (cs->typ != ISDN_CTYPE_MIC)
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return (0);
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bytecnt = 8;
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cs->hw.mic.cfg_reg = card->para[1];
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cs->irq = card->para[0];
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cs->hw.mic.adr = cs->hw.mic.cfg_reg + MIC_ADR;
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cs->hw.mic.isac = cs->hw.mic.cfg_reg + MIC_ISAC;
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cs->hw.mic.hscx = cs->hw.mic.cfg_reg + MIC_HSCX;
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if (check_region((cs->hw.mic.cfg_reg), bytecnt)) {
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printk(KERN_WARNING
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"HiSax: %s config port %x-%x already in use\n",
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CardType[card->typ],
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cs->hw.mic.cfg_reg,
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cs->hw.mic.cfg_reg + bytecnt);
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return (0);
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} else {
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request_region(cs->hw.mic.cfg_reg, bytecnt, "mic isdn");
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}
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printk(KERN_INFO
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"mic: defined at 0x%x IRQ %d\n",
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cs->hw.mic.cfg_reg,
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cs->irq);
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cs->readisac = &ReadISAC;
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cs->writeisac = &WriteISAC;
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cs->readisacfifo = &ReadISACfifo;
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cs->writeisacfifo = &WriteISACfifo;
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cs->BC_Read_Reg = &ReadHSCX;
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cs->BC_Write_Reg = &WriteHSCX;
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cs->BC_Send_Data = &hscx_fill_fifo;
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cs->cardmsg = &mic_card_msg;
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1999-07-12 21:05:34 +00:00
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cs->irq_func = &mic_interrupt;
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1997-10-29 18:51:21 +00:00
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ISACVersion(cs, "mic:");
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if (HscxVersion(cs, "mic:")) {
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printk(KERN_WARNING
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"mic: wrong HSCX versions check IO address\n");
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1997-11-08 21:35:56 +00:00
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release_io_mic(cs);
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1997-10-29 18:51:21 +00:00
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return (0);
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}
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return (1);
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}
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