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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [avm_a1.c] - Rev 1772
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/* $Id: avm_a1.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $ * avm_a1.c low level stuff for AVM A1 (Fritz) isdn cards * * Author Karsten Keil (keil@isdn4linux.de) * * * $Log: not supported by cvs2svn $ * Revision 1.1.1.1 2001/09/10 07:44:18 simons * Initial import * * Revision 1.1.1.1 2001/07/02 17:58:32 simons * Initial revision * * Revision 1.6.2.12 1998/11/03 00:05:44 keil * certification related changes * fixed logging for smaller stack use * * Revision 1.6.2.11 1998/09/27 13:05:30 keil * Apply most changes from 2.1.X (HiSax 3.1) * * Revision 1.6.2.10 1998/05/27 18:04:50 keil * HiSax 3.0 * * Revision 1.6.2.9 1998/04/08 21:58:39 keil * New init code * * Revision 1.6.2.8 1998/01/27 22:37:49 keil * fast io * * Revision 1.6.2.7 1998/01/13 23:06:11 keil * really disable internal timer * * Revision 1.6.2.6 1998/01/02 06:49:01 calle * Perodic timer of A1 now disabled, no need for linux driver. * * Revision 1.6.2.5 1997/11/15 18:50:41 keil * new common init function * * Revision 1.6.2.4 1997/10/17 22:13:29 keil * update to last hisax version * * Revision 2.1 1997/07/27 21:47:13 keil * new interface structures * * Revision 2.0 1997/06/26 11:02:48 keil * New Layer and card interface * * Revision 1.6 1997/04/13 19:54:07 keil * Change in IRQ check delay for SMP * * Revision 1.5 1997/04/06 22:54:10 keil * Using SKB's * * Revision 1.4 1997/01/27 15:50:21 keil * SMP proof,cosmetics * * Revision 1.3 1997/01/21 22:14:20 keil * cleanups * * Revision 1.2 1996/10/27 22:07:31 keil * cosmetic changes * * Revision 1.1 1996/10/13 20:04:49 keil * Initial revision * * */ #define __NO_VERSION__ #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" extern const char *CardType[]; static const char *avm_revision = "$Revision: 1.1 $"; #define AVM_A1_STAT_ISAC 0x01 #define AVM_A1_STAT_HSCX 0x02 #define AVM_A1_STAT_TIMER 0x04 #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.avm.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.avm.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { read_fifo(cs->hw.avm.isacfifo, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { write_fifo(cs->hw.avm.isacfifo, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.avm.hscx[hscx], offset)); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.avm.hscx[hscx], offset, value); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) readreg(cs->hw.avm.hscx[nr], reg) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.avm.hscx[nr], reg, data) #define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) #include "hscx_irq.c" static void avm_a1_interrupt(int intno, void *dev_id, struct pt_regs *regs) { struct IsdnCardState *cs = dev_id; u_char val, sval, stat = 0; if (!cs) { printk(KERN_WARNING "AVM A1: Spurious interrupt!\n"); return; } while (((sval = bytein(cs->hw.avm.cfg_reg)) & 0xf) != 0x7) { if (!(sval & AVM_A1_STAT_TIMER)) { byteout(cs->hw.avm.cfg_reg, 0x1E); sval = bytein(cs->hw.avm.cfg_reg); } else if (cs->debug & L1_DEB_INTSTAT) debugl1(cs, "avm IntStatus %x", sval); if (!(sval & AVM_A1_STAT_HSCX)) { val = readreg(cs->hw.avm.hscx[1], HSCX_ISTA); if (val) { hscx_int_main(cs, val); stat |= 1; } } if (!(sval & AVM_A1_STAT_ISAC)) { val = readreg(cs->hw.avm.isac, ISAC_ISTA); if (val) { isac_interrupt(cs, val); stat |= 2; } } } if (stat & 1) { writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0xFF); writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0xFF); writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0x0); writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0x0); } if (stat & 2) { writereg(cs->hw.avm.isac, ISAC_MASK, 0xFF); writereg(cs->hw.avm.isac, ISAC_MASK, 0x0); } } inline static void release_ioregs(struct IsdnCardState *cs, int mask) { release_region(cs->hw.avm.cfg_reg, 8); if (mask & 1) release_region(cs->hw.avm.isac + 32, 32); if (mask & 2) release_region(cs->hw.avm.isacfifo, 1); if (mask & 4) release_region(cs->hw.avm.hscx[0] + 32, 32); if (mask & 8) release_region(cs->hw.avm.hscxfifo[0], 1); if (mask & 0x10) release_region(cs->hw.avm.hscx[1] + 32, 32); if (mask & 0x20) release_region(cs->hw.avm.hscxfifo[1], 1); } static int AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg) { switch (mt) { case CARD_RESET: return(0); case CARD_RELEASE: release_ioregs(cs, 0x3f); return(0); case CARD_SETIRQ: return(request_irq(cs->irq, &avm_a1_interrupt, I4L_IRQ_FLAG, "HiSax", cs)); case CARD_INIT: inithscxisac(cs, 1); byteout(cs->hw.avm.cfg_reg, 0x16); byteout(cs->hw.avm.cfg_reg, 0x1E); inithscxisac(cs, 2); return(0); case CARD_TEST: return(0); } return(0); } __initfunc(int setup_avm_a1(struct IsdnCard *card)) { u_char val; struct IsdnCardState *cs = card->cs; long flags; char tmp[64]; strcpy(tmp, avm_revision); printk(KERN_INFO "HiSax: AVM driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_A1) return (0); cs->hw.avm.cfg_reg = card->para[1] + 0x1800; cs->hw.avm.isac = card->para[1] + 0x1400 - 0x20; cs->hw.avm.hscx[0] = card->para[1] + 0x400 - 0x20; cs->hw.avm.hscx[1] = card->para[1] + 0xc00 - 0x20; cs->hw.avm.isacfifo = card->para[1] + 0x1000; cs->hw.avm.hscxfifo[0] = card->para[1]; cs->hw.avm.hscxfifo[1] = card->para[1] + 0x800; cs->irq = card->para[0]; if (check_region((cs->hw.avm.cfg_reg), 8)) { printk(KERN_WARNING "HiSax: %s config port %x-%x already in use\n", CardType[card->typ], cs->hw.avm.cfg_reg, cs->hw.avm.cfg_reg + 8); return (0); } else { request_region(cs->hw.avm.cfg_reg, 8, "avm cfg"); } if (check_region((cs->hw.avm.isac + 32), 32)) { printk(KERN_WARNING "HiSax: %s isac ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.isac + 32, cs->hw.avm.isac + 64); release_ioregs(cs, 0); return (0); } else { request_region(cs->hw.avm.isac + 32, 32, "HiSax isac"); } if (check_region((cs->hw.avm.isacfifo), 1)) { printk(KERN_WARNING "HiSax: %s isac fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.isacfifo); release_ioregs(cs, 1); return (0); } else { request_region(cs->hw.avm.isacfifo, 1, "HiSax isac fifo"); } if (check_region((cs->hw.avm.hscx[0]) + 32, 32)) { printk(KERN_WARNING "HiSax: %s hscx A ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscx[0] + 64); release_ioregs(cs, 3); return (0); } else { request_region(cs->hw.avm.hscx[0] + 32, 32, "HiSax hscx A"); } if (check_region(cs->hw.avm.hscxfifo[0], 1)) { printk(KERN_WARNING "HiSax: %s hscx A fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.hscxfifo[0]); release_ioregs(cs, 7); return (0); } else { request_region(cs->hw.avm.hscxfifo[0], 1, "HiSax hscx A fifo"); } if (check_region(cs->hw.avm.hscx[1] + 32, 32)) { printk(KERN_WARNING "HiSax: %s hscx B ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscx[1] + 64); release_ioregs(cs, 0xf); return (0); } else { request_region(cs->hw.avm.hscx[1] + 32, 32, "HiSax hscx B"); } if (check_region(cs->hw.avm.hscxfifo[1], 1)) { printk(KERN_WARNING "HiSax: %s hscx B fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.hscxfifo[1]); release_ioregs(cs, 0x1f); return (0); } else { request_region(cs->hw.avm.hscxfifo[1], 1, "HiSax hscx B fifo"); } save_flags(flags); byteout(cs->hw.avm.cfg_reg, 0x0); sti(); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x1); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x0); HZDELAY(HZ / 5 + 1); val = cs->irq; if (val == 9) val = 2; byteout(cs->hw.avm.cfg_reg + 1, val); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x0); HZDELAY(HZ / 5 + 1); restore_flags(flags); val = bytein(cs->hw.avm.cfg_reg); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg, val); val = bytein(cs->hw.avm.cfg_reg + 3); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg + 3, val); val = bytein(cs->hw.avm.cfg_reg + 2); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg + 2, val); val = bytein(cs->hw.avm.cfg_reg); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg, val); printk(KERN_INFO "HiSax: %s config irq:%d cfg:0x%X\n", CardType[cs->typ], cs->irq, cs->hw.avm.cfg_reg); printk(KERN_INFO "HiSax: isac:0x%X/0x%X\n", cs->hw.avm.isac + 32, cs->hw.avm.isacfifo); printk(KERN_INFO "HiSax: hscx A:0x%X/0x%X hscx B:0x%X/0x%X\n", cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscxfifo[0], cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscxfifo[1]); 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 = &AVM_card_msg; ISACVersion(cs, "AVM A1:"); if (HscxVersion(cs, "AVM A1:")) { printk(KERN_WARNING "AVM A1: wrong HSCX versions check IO address\n"); release_ioregs(cs, 0x3f); return (0); } return (1); }
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