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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [niccy.c] - Rev 1772
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/* $Id: niccy.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $ * niccy.c low level stuff for Dr. Neuhaus NICCY PnP and NICCY PCI and * compatible (SAGEM cybermodem) * * Author Karsten Keil * * Thanks to Dr. Neuhaus and SAGEM for informations * * $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 1.1.2.4 1998/04/16 19:18:19 keil * need config.h * * Revision 1.1.2.3 1998/04/08 22:05:26 keil * Forgot PCI fix * * Revision 1.1.2.2 1998/04/08 21:48:23 keil * New init; working Niccy PCI * * Revision 1.1.2.1 1998/02/11 14:23:20 keil * support for Dr Neuhaus Niccy PnP and PCI * * */ #define __NO_VERSION__ #include <linux/config.h> #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" #include <linux/pci.h> #include <linux/bios32.h> extern const char *CardType[]; const char *niccy_revision = "$Revision: 1.1 $"; #define byteout(addr,val) outb(val,addr) #define bytein(addr) inb(addr) #define ISAC_PCI_DATA 0 #define HSCX_PCI_DATA 1 #define ISAC_PCI_ADDR 2 #define HSCX_PCI_ADDR 3 #define ISAC_PNP 0 #define HSCX_PNP 1 /* SUB Types */ #define NICCY_PNP 1 #define NICCY_PCI 2 /* PCI stuff */ #define PCI_VENDOR_DR_NEUHAUS 0x1267 #define PCI_NICCY_ID 0x1016 #define PCI_IRQ_CTRL_REG 0x38 #define PCI_IRQ_ENABLE 0x1f00 #define PCI_IRQ_DISABLE 0xff0000 #define PCI_IRQ_ASSERT 0x800000 static inline u_char readreg(unsigned int ale, unsigned int adr, u_char off) { register u_char ret; long flags; save_flags(flags); cli(); byteout(ale, off); ret = bytein(adr); restore_flags(flags); return (ret); } static inline void readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) { /* fifo read without cli because it's allready done */ byteout(ale, off); insb(adr, data, size); } static inline void writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) { long flags; save_flags(flags); cli(); byteout(ale, off); byteout(adr, data); restore_flags(flags); } static inline void writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) { /* fifo write without cli because it's allready done */ byteout(ale, off); outsb(adr, data, size); } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { readfifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { writefifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0))); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0), value); } #define READHSCX(cs, nr, reg) readreg(cs->hw.niccy.hscx_ale, \ cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0)) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.niccy.hscx_ale, \ cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0), data) #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.niccy.hscx_ale, \ cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.niccy.hscx_ale, \ cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt) #include "hscx_irq.c" static void niccy_interrupt(int intno, void *dev_id, struct pt_regs *regs) { struct IsdnCardState *cs = dev_id; u_char val, stat = 0; if (!cs) { printk(KERN_WARNING "Niccy: Spurious interrupt!\n"); return; } if (cs->subtyp == NICCY_PCI) { int ival; ival = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); if (!(ival & PCI_IRQ_ASSERT)) /* IRQ not for us (shared) */ return; outl(ival, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); } val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_ISTA + 0x40); Start_HSCX: if (val) { hscx_int_main(cs, val); stat |= 1; } val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA); Start_ISAC: if (val) { isac_interrupt(cs, val); stat |= 2; } val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.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.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA); if (val) { if (cs->debug & L1_DEB_ISAC) debugl1(cs, "ISAC IntStat after IntRoutine"); goto Start_ISAC; } if (stat & 1) { writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0xFF); writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, 0xFF); writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0); writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, 0); } if (stat & 2) { writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0xFF); writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0); } } void release_io_niccy(struct IsdnCardState *cs) { if (cs->subtyp == NICCY_PCI) { int val; val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); val &= PCI_IRQ_DISABLE; outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); release_region(cs->hw.niccy.cfg_reg, 0x80); release_region(cs->hw.niccy.isac, 4); } else { release_region(cs->hw.niccy.isac, 2); release_region(cs->hw.niccy.isac_ale, 2); } } static void niccy_reset(struct IsdnCardState *cs) { int val, nval; val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); nval = val | PCI_IRQ_ENABLE; outl(nval, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG); inithscxisac(cs, 3); } static int niccy_card_msg(struct IsdnCardState *cs, int mt, void *arg) { int imode; switch (mt) { case CARD_RESET: niccy_reset(cs); return(0); case CARD_RELEASE: release_io_niccy(cs); return(0); case CARD_SETIRQ: if (cs->subtyp == NICCY_PCI) imode = I4L_IRQ_FLAG | SA_SHIRQ; else imode = I4L_IRQ_FLAG; return(request_irq(cs->irq, &niccy_interrupt, imode, "HiSax", cs)); break; case CARD_INIT: niccy_reset(cs); return(0); case CARD_TEST: return(0); } return(0); } static int pci_index __initdata = 0; __initfunc(int setup_niccy(struct IsdnCard *card)) { struct IsdnCardState *cs = card->cs; char tmp[64]; strcpy(tmp, niccy_revision); printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_NICCY) return (0); if (card->para[1]) { cs->hw.niccy.isac = card->para[1] + ISAC_PNP; cs->hw.niccy.hscx = card->para[1] + HSCX_PNP; cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP; cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP; cs->hw.niccy.cfg_reg = 0; cs->subtyp = NICCY_PNP; cs->irq = card->para[0]; if (check_region((cs->hw.niccy.isac), 2)) { printk(KERN_WARNING "HiSax: %s data port %x-%x already in use\n", CardType[card->typ], cs->hw.niccy.isac, cs->hw.niccy.isac + 1); return (0); } else request_region(cs->hw.niccy.isac, 2, "niccy data"); if (check_region((cs->hw.niccy.isac_ale), 2)) { printk(KERN_WARNING "HiSax: %s address port %x-%x already in use\n", CardType[card->typ], cs->hw.niccy.isac_ale, cs->hw.niccy.isac_ale + 1); release_region(cs->hw.niccy.isac, 2); return (0); } else request_region(cs->hw.niccy.isac_ale, 2, "niccy addr"); } else { #if CONFIG_PCI u_char pci_bus, pci_device_fn, pci_irq; u_int pci_ioaddr; cs->subtyp = 0; for (; pci_index < 0xff; pci_index++) { if (pcibios_find_device(PCI_VENDOR_DR_NEUHAUS, PCI_NICCY_ID, pci_index, &pci_bus, &pci_device_fn) == PCIBIOS_SUCCESSFUL) cs->subtyp = NICCY_PCI; else break; /* get IRQ */ pcibios_read_config_byte(pci_bus, pci_device_fn, PCI_INTERRUPT_LINE, &pci_irq); /* get IO pci AMCC address */ pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_0, &pci_ioaddr); if (!pci_ioaddr) { printk(KERN_WARNING "Niccy: No IO-Adr for PCI cfg found\n"); return(0); } cs->hw.niccy.cfg_reg = pci_ioaddr & ~3 ; /* get IO address */ pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_1, &pci_ioaddr); if (cs->subtyp) break; } if (!cs->subtyp) { printk(KERN_WARNING "Niccy: No PCI card found\n"); return(0); } pci_index++; if (!pci_irq) { printk(KERN_WARNING "Niccy: No IRQ for PCI card found\n"); return(0); } if (!pci_ioaddr) { printk(KERN_WARNING "Niccy: No IO-Adr for PCI card found\n"); return(0); } pci_ioaddr &= ~3; /* remove io/mem flag */ cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA; cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR; cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA; cs->hw.niccy.hscx_ale = pci_ioaddr + HSCX_PCI_ADDR; cs->irq = pci_irq; if (check_region((cs->hw.niccy.isac), 4)) { printk(KERN_WARNING "HiSax: %s data port %x-%x already in use\n", CardType[card->typ], cs->hw.niccy.isac, cs->hw.niccy.isac + 4); return (0); } else request_region(cs->hw.niccy.isac, 4, "niccy"); if (check_region(cs->hw.niccy.cfg_reg, 0x80)) { printk(KERN_WARNING "HiSax: %s pci port %x-%x already in use\n", CardType[card->typ], cs->hw.niccy.cfg_reg, cs->hw.niccy.cfg_reg + 0x80); release_region(cs->hw.niccy.isac, 4); return (0); } else { request_region(cs->hw.niccy.cfg_reg, 0x80, "niccy pci"); } #else printk(KERN_WARNING "Niccy: io0 0 and NO_PCI_BIOS\n"); printk(KERN_WARNING "Niccy: unable to config NICCY PCI\n"); return (0); #endif /* CONFIG_PCI */ } printk(KERN_INFO "HiSax: %s %s config irq:%d data:0x%X ale:0x%X\n", CardType[cs->typ], (cs->subtyp==1) ? "PnP":"PCI", cs->irq, cs->hw.niccy.isac, cs->hw.niccy.isac_ale); 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 = &niccy_card_msg; ISACVersion(cs, "Niccy:"); if (HscxVersion(cs, "Niccy:")) { printk(KERN_WARNING "Niccy: wrong HSCX versions check IO address\n"); release_io_niccy(cs); return (0); } return (1); }
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