diff options
Diffstat (limited to 'drivers/isdn/hisax/elsa.c')
| -rw-r--r-- | drivers/isdn/hisax/elsa.c | 1190 |
1 files changed, 1190 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/elsa.c b/drivers/isdn/hisax/elsa.c new file mode 100644 index 000000000000..4d7a0250d7e2 --- /dev/null +++ b/drivers/isdn/hisax/elsa.c @@ -0,0 +1,1190 @@ +/* $Id: elsa.c,v 2.32.2.4 2004/01/24 20:47:21 keil Exp $ + * + * low level stuff for Elsa isdn cards + * + * Author Karsten Keil + * Copyright by Karsten Keil <keil@isdn4linux.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * For changes and modifications please read + * Documentation/isdn/HiSax.cert + * + * Thanks to Elsa GmbH for documents and information + * + * Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE) + * for ELSA PCMCIA support + * + */ + +#include <linux/init.h> +#include <linux/config.h> +#include "hisax.h" +#include "arcofi.h" +#include "isac.h" +#include "ipac.h" +#include "hscx.h" +#include "isdnl1.h" +#include <linux/pci.h> +#include <linux/isapnp.h> +#include <linux/serial.h> +#include <linux/serial_reg.h> + +extern const char *CardType[]; + +const char *Elsa_revision = "$Revision: 2.32.2.4 $"; +const char *Elsa_Types[] = +{"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro", + "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI", + "PCMCIA-IPAC" }; + +const char *ITACVer[] = +{"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2", + "B1", "A1"}; + +#define byteout(addr,val) outb(val,addr) +#define bytein(addr) inb(addr) + +#define ELSA_ISAC 0 +#define ELSA_ISAC_PCM 1 +#define ELSA_ITAC 1 +#define ELSA_HSCX 2 +#define ELSA_ALE 3 +#define ELSA_ALE_PCM 4 +#define ELSA_CONTROL 4 +#define ELSA_CONFIG 5 +#define ELSA_START_TIMER 6 +#define ELSA_TRIG_IRQ 7 + +#define ELSA_PC 1 +#define ELSA_PCC8 2 +#define ELSA_PCC16 3 +#define ELSA_PCF 4 +#define ELSA_PCFPRO 5 +#define ELSA_PCMCIA 6 +#define ELSA_QS1000 7 +#define ELSA_QS3000 8 +#define ELSA_QS1000PCI 9 +#define ELSA_QS3000PCI 10 +#define ELSA_PCMCIA_IPAC 11 + +/* PCI stuff */ +#define ELSA_PCI_IRQ_MASK 0x04 + +/* ITAC Registeradressen (only Microlink PC) */ +#define ITAC_SYS 0x34 +#define ITAC_ISEN 0x48 +#define ITAC_RFIE 0x4A +#define ITAC_XFIE 0x4C +#define ITAC_SCIE 0x4E +#define ITAC_STIE 0x46 + +/*** *** + *** Makros als Befehle fuer die Kartenregister *** + *** (mehrere Befehle werden durch Bit-Oderung kombiniert) *** + *** ***/ + +/* Config-Register (Read) */ +#define ELSA_TIMER_RUN 0x02 /* Bit 1 des Config-Reg */ +#define ELSA_TIMER_RUN_PCC8 0x01 /* Bit 0 des Config-Reg bei PCC */ +#define ELSA_IRQ_IDX 0x38 /* Bit 3,4,5 des Config-Reg */ +#define ELSA_IRQ_IDX_PCC8 0x30 /* Bit 4,5 des Config-Reg */ +#define ELSA_IRQ_IDX_PC 0x0c /* Bit 2,3 des Config-Reg */ + +/* Control-Register (Write) */ +#define ELSA_LINE_LED 0x02 /* Bit 1 Gelbe LED */ +#define ELSA_STAT_LED 0x08 /* Bit 3 Gruene LED */ +#define ELSA_ISDN_RESET 0x20 /* Bit 5 Reset-Leitung */ +#define ELSA_ENA_TIMER_INT 0x80 /* Bit 7 Freigabe Timer Interrupt */ + +/* ALE-Register (Read) */ +#define ELSA_HW_RELEASE 0x07 /* Bit 0-2 Hardwarerkennung */ +#define ELSA_S0_POWER_BAD 0x08 /* Bit 3 S0-Bus Spannung fehlt */ + +/* Status Flags */ +#define ELSA_TIMER_AKTIV 1 +#define ELSA_BAD_PWR 2 +#define ELSA_ASSIGN 4 + +#define RS_ISR_PASS_LIMIT 256 +#define _INLINE_ inline +#define FLG_MODEM_ACTIVE 1 +/* IPAC AUX */ +#define ELSA_IPAC_LINE_LED 0x40 /* Bit 6 Gelbe LED */ +#define ELSA_IPAC_STAT_LED 0x80 /* Bit 7 Gruene LED */ + +#if ARCOFI_USE +static struct arcofi_msg ARCOFI_XOP_F = + {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */ +static struct arcofi_msg ARCOFI_XOP_1 = + {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */ +static struct arcofi_msg ARCOFI_SOP_F = + {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}}; +static struct arcofi_msg ARCOFI_COP_9 = + {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */ +static struct arcofi_msg ARCOFI_COP_8 = + {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */ +static struct arcofi_msg ARCOFI_COP_7 = + {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */ +static struct arcofi_msg ARCOFI_COP_6 = + {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */ +static struct arcofi_msg ARCOFI_COP_5 = + {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */ +static struct arcofi_msg ARCOFI_VERSION = + {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}}; +static struct arcofi_msg ARCOFI_XOP_0 = + {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */ + +static void set_arcofi(struct IsdnCardState *cs, int bc); + +#include "elsa_ser.c" +#endif /* ARCOFI_USE */ + +static inline u_char +readreg(unsigned int ale, unsigned int adr, u_char off) +{ + register u_char ret; + + byteout(ale, off); + ret = bytein(adr); + return (ret); +} + +static inline void +readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) +{ + byteout(ale, off); + insb(adr, data, size); +} + + +static inline void +writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) +{ + byteout(ale, off); + byteout(adr, data); +} + +static inline void +writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) +{ + byteout(ale, off); + outsb(adr, data, size); +} + +/* Interface functions */ + +static u_char +ReadISAC(struct IsdnCardState *cs, u_char offset) +{ + return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset)); +} + +static void +WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) +{ + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value); +} + +static void +ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) +{ + readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size); +} + +static void +WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) +{ + writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size); +} + +static u_char +ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset) +{ + return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80)); +} + +static void +WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value) +{ + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value); +} + +static void +ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) +{ + readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size); +} + +static void +WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) +{ + writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size); +} + +static u_char +ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) +{ + return (readreg(cs->hw.elsa.ale, + cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0))); +} + +static void +WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) +{ + writereg(cs->hw.elsa.ale, + cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value); +} + +static inline u_char +readitac(struct IsdnCardState *cs, u_char off) +{ + register u_char ret; + + byteout(cs->hw.elsa.ale, off); + ret = bytein(cs->hw.elsa.itac); + return (ret); +} + +static inline void +writeitac(struct IsdnCardState *cs, u_char off, u_char data) +{ + byteout(cs->hw.elsa.ale, off); + byteout(cs->hw.elsa.itac, data); +} + +static inline int +TimerRun(struct IsdnCardState *cs) +{ + register u_char v; + + v = bytein(cs->hw.elsa.cfg); + if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000)) + return (0 == (v & ELSA_TIMER_RUN)); + else if (cs->subtyp == ELSA_PCC8) + return (v & ELSA_TIMER_RUN_PCC8); + return (v & ELSA_TIMER_RUN); +} +/* + * fast interrupt HSCX stuff goes here + */ + +#define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \ + cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0)) +#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \ + cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data) + +#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \ + cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt) + +#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \ + cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt) + +#include "hscx_irq.c" + +static irqreturn_t +elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs) +{ + struct IsdnCardState *cs = dev_id; + u_long flags; + u_char val; + int icnt=5; + + if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) { + /* The card tends to generate interrupts while being removed + causing us to just crash the kernel. bad. */ + printk(KERN_WARNING "Elsa: card not available!\n"); + return IRQ_NONE; + } + spin_lock_irqsave(&cs->lock, flags); +#if ARCOFI_USE + if (cs->hw.elsa.MFlag) { + val = serial_inp(cs, UART_IIR); + if (!(val & UART_IIR_NO_INT)) { + debugl1(cs,"IIR %02x", val); + rs_interrupt_elsa(intno, cs); + } + } +#endif + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40); + Start_HSCX: + if (val) { + hscx_int_main(cs, val); + } + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA); + Start_ISAC: + if (val) { + isac_interrupt(cs, val); + } + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40); + if (val && icnt) { + if (cs->debug & L1_DEB_HSCX) + debugl1(cs, "HSCX IntStat after IntRoutine"); + icnt--; + goto Start_HSCX; + } + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA); + if (val && icnt) { + if (cs->debug & L1_DEB_ISAC) + debugl1(cs, "ISAC IntStat after IntRoutine"); + icnt--; + goto Start_ISAC; + } + if (!icnt) + printk(KERN_WARNING"ELSA IRQ LOOP\n"); + writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF); + writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF); + if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) { + if (!TimerRun(cs)) { + /* Timer Restart */ + byteout(cs->hw.elsa.timer, 0); + cs->hw.elsa.counter++; + } + } +#if ARCOFI_USE + if (cs->hw.elsa.MFlag) { + val = serial_inp(cs, UART_MCR); + val ^= 0x8; + serial_outp(cs, UART_MCR, val); + val = serial_inp(cs, UART_MCR); + val ^= 0x8; + serial_outp(cs, UART_MCR, val); + } +#endif + if (cs->hw.elsa.trig) + byteout(cs->hw.elsa.trig, 0x00); + writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0); + writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0); + spin_unlock_irqrestore(&cs->lock, flags); + return IRQ_HANDLED; +} + +static irqreturn_t +elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs) +{ + struct IsdnCardState *cs = dev_id; + u_long flags; + u_char ista,val; + int icnt=5; + + spin_lock_irqsave(&cs->lock, flags); + if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) { + val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */ + if (!(val & ELSA_PCI_IRQ_MASK)) { + spin_unlock_irqrestore(&cs->lock, flags); + return IRQ_NONE; + } + } +#if ARCOFI_USE + if (cs->hw.elsa.MFlag) { + val = serial_inp(cs, UART_IIR); + if (!(val & UART_IIR_NO_INT)) { + debugl1(cs,"IIR %02x", val); + rs_interrupt_elsa(intno, cs); + } + } +#endif + ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA); +Start_IPAC: + if (cs->debug & L1_DEB_IPAC) + debugl1(cs, "IPAC ISTA %02X", ista); + if (ista & 0x0f) { + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40); + if (ista & 0x01) + val |= 0x01; + if (ista & 0x04) + val |= 0x02; + if (ista & 0x08) + val |= 0x04; + if (val) + hscx_int_main(cs, val); + } + if (ista & 0x20) { + val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80); + if (val) { + isac_interrupt(cs, val); + } + } + if (ista & 0x10) { + val = 0x01; + isac_interrupt(cs, val); + } + ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA); + if ((ista & 0x3f) && icnt) { + icnt--; + goto Start_IPAC; + } + if (!icnt) + printk(KERN_WARNING "ELSA IRQ LOOP\n"); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0); + spin_unlock_irqrestore(&cs->lock, flags); + return IRQ_HANDLED; +} + +void +release_io_elsa(struct IsdnCardState *cs) +{ + int bytecnt = 8; + + del_timer(&cs->hw.elsa.tl); +#if ARCOFI_USE + clear_arcofi(cs); +#endif + if (cs->hw.elsa.ctrl) + byteout(cs->hw.elsa.ctrl, 0); /* LEDs Out */ + if (cs->subtyp == ELSA_QS1000PCI) { + byteout(cs->hw.elsa.cfg + 0x4c, 0x01); /* disable IRQ */ + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff); + bytecnt = 2; + release_region(cs->hw.elsa.cfg, 0x80); + } + if (cs->subtyp == ELSA_QS3000PCI) { + byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */ + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff); + release_region(cs->hw.elsa.cfg, 0x80); + } + if (cs->subtyp == ELSA_PCMCIA_IPAC) { + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff); + } + if ((cs->subtyp == ELSA_PCFPRO) || + (cs->subtyp == ELSA_QS3000) || + (cs->subtyp == ELSA_PCF) || + (cs->subtyp == ELSA_QS3000PCI)) { + bytecnt = 16; +#if ARCOFI_USE + release_modem(cs); +#endif + } + if (cs->hw.elsa.base) + release_region(cs->hw.elsa.base, bytecnt); +} + +static void +reset_elsa(struct IsdnCardState *cs) +{ + if (cs->hw.elsa.timer) { + /* Wait 1 Timer */ + byteout(cs->hw.elsa.timer, 0); + while (TimerRun(cs)); + cs->hw.elsa.ctrl_reg |= 0x50; + cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET; /* Reset On */ + byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg); + /* Wait 1 Timer */ + byteout(cs->hw.elsa.timer, 0); + while (TimerRun(cs)); + cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET; /* Reset Off */ + byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg); + /* Wait 1 Timer */ + byteout(cs->hw.elsa.timer, 0); + while (TimerRun(cs)); + if (cs->hw.elsa.trig) + byteout(cs->hw.elsa.trig, 0xff); + } + if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) { + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20); + mdelay(10); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0); + mdelay(10); + if (cs->subtyp != ELSA_PCMCIA_IPAC) { + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c); + } else { + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4); + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8); + } + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff); + if (cs->subtyp == ELSA_QS1000PCI) + byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */ + else if (cs->subtyp == ELSA_QS3000PCI) + byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */ + } +} + +#if ARCOFI_USE + +static void +set_arcofi(struct IsdnCardState *cs, int bc) { + cs->dc.isac.arcofi_bc = bc; + arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5); + interruptible_sleep_on(&cs->dc.isac.arcofi_wait); +} + +static int +check_arcofi(struct IsdnCardState *cs) +{ + int arcofi_present = 0; + char tmp[40]; + char *t; + u_char *p; + + if (!cs->dc.isac.mon_tx) + if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) { + if (cs->debug & L1_DEB_WARN) + debugl1(cs, "ISAC MON TX out of buffers!"); + return(0); + } + cs->dc.isac.arcofi_bc = 0; + arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION); + interruptible_sleep_on(&cs->dc.isac.arcofi_wait); + if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) { + debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp); + p = cs->dc.isac.mon_rx; + t = tmp; + t += sprintf(tmp, "Arcofi data"); + QuickHex(t, p, cs->dc.isac.mon_rxp); + debugl1(cs, tmp); + if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) { + switch(cs->dc.isac.mon_rx[1]) { + case 0x80: + debugl1(cs, "Arcofi 2160 detected"); + arcofi_present = 1; + break; + case 0x82: + debugl1(cs, "Arcofi 2165 detected"); + arcofi_present = 2; + break; + case 0x84: + debugl1(cs, "Arcofi 2163 detected"); + arcofi_present = 3; + break; + default: + debugl1(cs, "unknown Arcofi response"); + break; + } + } else + debugl1(cs, "undefined Monitor response"); + cs->dc.isac.mon_rxp = 0; + } else if (cs->dc.isac.mon_tx) { + debugl1(cs, "Arcofi not detected"); + } + if (arcofi_present) { + if (cs->subtyp==ELSA_QS1000) { + cs->subtyp = ELSA_QS3000; + printk(KERN_INFO + "Elsa: %s detected modem at 0x%lx\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base+8); + release_region(cs->hw.elsa.base, 8); + if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) { + printk(KERN_WARNING + "HiSax: %s config port %lx-%lx already in use\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base + 8, + cs->hw.elsa.base + 16); + } + } else if (cs->subtyp==ELSA_PCC16) { + cs->subtyp = ELSA_PCF; + printk(KERN_INFO + "Elsa: %s detected modem at 0x%lx\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base+8); + release_region(cs->hw.elsa.base, 8); + if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) { + printk(KERN_WARNING + "HiSax: %s config port %lx-%lx already in use\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base + 8, + cs->hw.elsa.base + 16); + } + } else + printk(KERN_INFO + "Elsa: %s detected modem at 0x%lx\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base+8); + arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0); + interruptible_sleep_on(&cs->dc.isac.arcofi_wait); + return(1); + } + return(0); +} +#endif /* ARCOFI_USE */ + +static void +elsa_led_handler(struct IsdnCardState *cs) +{ + int blink = 0; + + if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC) + return; + del_timer(&cs->hw.elsa.tl); + if (cs->hw.elsa.status & ELSA_ASSIGN) + cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED; + else if (cs->hw.elsa.status & ELSA_BAD_PWR) + cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED; + else { + cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED; + blink = 250; + } + if (cs->hw.elsa.status & 0xf000) + cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED; + else if (cs->hw.elsa.status & 0x0f00) { + cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED; + blink = 500; + } else + cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED; + + if ((cs->subtyp == ELSA_QS1000PCI) || + (cs->subtyp == ELSA_QS3000PCI)) { + u_char led = 0xff; + if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED) + led ^= ELSA_IPAC_LINE_LED; + if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED) + led ^= ELSA_IPAC_STAT_LED; + writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led); + } else + byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg); + if (blink) { + init_timer(&cs->hw.elsa.tl); + cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000); + add_timer(&cs->hw.elsa.tl); + } +} + +static int +Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg) +{ + int ret = 0; + u_long flags; + + switch (mt) { + case CARD_RESET: + spin_lock_irqsave(&cs->lock, flags); + reset_elsa(cs); + spin_unlock_irqrestore(&cs->lock, flags); + return(0); + case CARD_RELEASE: + release_io_elsa(cs); + return(0); + case CARD_INIT: + spin_lock_irqsave(&cs->lock, flags); + cs->debug |= L1_DEB_IPAC; + reset_elsa(cs); + inithscxisac(cs, 1); + if ((cs->subtyp == ELSA_QS1000) || + (cs->subtyp == ELSA_QS3000)) + { + byteout(cs->hw.elsa.timer, 0); + } + if (cs->hw.elsa.trig) + byteout(cs->hw.elsa.trig, 0xff); + inithscxisac(cs, 2); + spin_unlock_irqrestore(&cs->lock, flags); + return(0); + case CARD_TEST: + if ((cs->subtyp == ELSA_PCMCIA) || + (cs->subtyp == ELSA_PCMCIA_IPAC) || + (cs->subtyp == ELSA_QS1000PCI)) { + return(0); + } else if (cs->subtyp == ELSA_QS3000PCI) { + ret = 0; + } else { + spin_lock_irqsave(&cs->lock, flags); + cs->hw.elsa.counter = 0; + cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT; + cs->hw.elsa.status |= ELSA_TIMER_AKTIV; + byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg); + byteout(cs->hw.elsa.timer, 0); + spin_unlock_irqrestore(&cs->lock, flags); + msleep(110); + spin_lock_irqsave(&cs->lock, flags); + cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT; + byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg); + cs->hw.elsa.status &= ~ELSA_TIMER_AKTIV; + spin_unlock_irqrestore(&cs->lock, flags); + printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n", + cs->hw.elsa.counter); + if ((cs->hw.elsa.counter > 10) && + (cs->hw.elsa.counter < 16)) { + printk(KERN_INFO "Elsa: timer and irq OK\n"); + ret = 0; + } else { + printk(KERN_WARNING + "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n", + cs->hw.elsa.counter, cs->irq); + ret = 1; + } + } +#if ARCOFI_USE + if (check_arcofi(cs)) { + init_modem(cs); + } +#endif + elsa_led_handler(cs); + return(ret); + case (MDL_REMOVE | REQUEST): + cs->hw.elsa.status &= 0; + break; + case (MDL_ASSIGN | REQUEST): + cs->hw.elsa.status |= ELSA_ASSIGN; + break; + case MDL_INFO_SETUP: + if ((long) arg) + cs->hw.elsa.status |= 0x0200; + else + cs->hw.elsa.status |= 0x0100; + break; + case MDL_INFO_CONN: + if ((long) arg) + cs->hw.elsa.status |= 0x2000; + else + cs->hw.elsa.status |= 0x1000; + break; + case MDL_INFO_REL: + if ((long) arg) { + cs->hw.elsa.status &= ~0x2000; + cs->hw.elsa.status &= ~0x0200; + } else { + cs->hw.elsa.status &= ~0x1000; + cs->hw.elsa.status &= ~0x0100; + } + break; +#if ARCOFI_USE + case CARD_AUX_IND: + if (cs->hw.elsa.MFlag) { + int len; + u_char *msg; + + if (!arg) + return(0); + msg = arg; + len = *msg; + msg++; + modem_write_cmd(cs, msg, len); + } + break; +#endif + } + if (cs->typ == ISDN_CTYPE_ELSA) { + int pwr = bytein(cs->hw.elsa.ale); + if (pwr & 0x08) + cs->hw.elsa.status |= ELSA_BAD_PWR; + else + cs->hw.elsa.status &= ~ELSA_BAD_PWR; + } + elsa_led_handler(cs); + return(ret); +} + +static unsigned char +probe_elsa_adr(unsigned int adr, int typ) +{ + int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0, + pc_2 = 0, pfp_1 = 0, pfp_2 = 0; + + /* In case of the elsa pcmcia card, this region is in use, + reserved for us by the card manager. So we do not check it + here, it would fail. */ + if (typ != ISDN_CTYPE_ELSA_PCMCIA) { + if (request_region(adr, 8, "elsa card")) { + release_region(adr, 8); + } else { + printk(KERN_WARNING + "Elsa: Probing Port 0x%x: already in use\n", adr); + return (0); + } + } + for (i = 0; i < 16; i++) { + in1 = inb(adr + ELSA_CONFIG); /* 'toggelt' bei */ + in2 = inb(adr + ELSA_CONFIG); /* jedem Zugriff */ + p16_1 += 0x04 & in1; + p16_2 += 0x04 & in2; + p8_1 += 0x02 & in1; + p8_2 += 0x02 & in2; + pc_1 += 0x01 & in1; + pc_2 += 0x01 & in2; + pfp_1 += 0x40 & in1; + pfp_2 += 0x40 & in2; + } + printk(KERN_INFO "Elsa: Probing IO 0x%x", adr); + if (65 == ++p16_1 * ++p16_2) { + printk(" PCC-16/PCF found\n"); + return (ELSA_PCC16); + } else if (1025 == ++pfp_1 * ++pfp_2) { + printk(" PCF-Pro found\n"); + return (ELSA_PCFPRO); + } else if (33 == ++p8_1 * ++p8_2) { + printk(" PCC8 found\n"); + return (ELSA_PCC8); + } else if (17 == ++pc_1 * ++pc_2) { + printk(" PC found\n"); + return (ELSA_PC); + } else { + printk(" failed\n"); + return (0); + } +} + +static unsigned int +probe_elsa(struct IsdnCardState *cs) +{ + int i; + unsigned int CARD_portlist[] = + {0x160, 0x170, 0x260, 0x360, 0}; + + for (i = 0; CARD_portlist[i]; i++) { + if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ))) + break; + } + return (CARD_portlist[i]); +} + +static struct pci_dev *dev_qs1000 __devinitdata = NULL; +static struct pci_dev *dev_qs3000 __devinitdata = NULL; + +#ifdef __ISAPNP__ +static struct isapnp_device_id elsa_ids[] __devinitdata = { + { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), + ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), + (unsigned long) "Elsa QS1000" }, + { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), + ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), + (unsigned long) "Elsa QS3000" }, + { 0, } +}; + +static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0]; +static struct pnp_card *pnp_c __devinitdata = NULL; +#endif + +int __devinit +setup_elsa(struct IsdnCard *card) +{ + int bytecnt; + u_char val; + struct IsdnCardState *cs = card->cs; + char tmp[64]; + + strcpy(tmp, Elsa_revision); + printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp)); + cs->hw.elsa.ctrl_reg = 0; + cs->hw.elsa.status = 0; + cs->hw.elsa.MFlag = 0; + cs->subtyp = 0; + if (cs->typ == ISDN_CTYPE_ELSA) { + cs->hw.elsa.base = card->para[0]; + printk(KERN_INFO "Elsa: Microlink IO probing\n"); + if (cs->hw.elsa.base) { + if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base, + cs->typ))) { + printk(KERN_WARNING + "Elsa: no Elsa Microlink at %#lx\n", + cs->hw.elsa.base); + return (0); + } + } else + cs->hw.elsa.base = probe_elsa(cs); + if (cs->hw.elsa.base) { + cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG; + cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL; + cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE; + cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC; + cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC; + cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX; + cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ; + cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER; + val = bytein(cs->hw.elsa.cfg); + if (cs->subtyp == ELSA_PC) { + const u_char CARD_IrqTab[8] = + {7, 3, 5, 9, 0, 0, 0, 0}; + cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2]; + } else if (cs->subtyp == ELSA_PCC8) { + const u_char CARD_IrqTab[8] = + {7, 3, 5, 9, 0, 0, 0, 0}; + cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4]; + } else { + const u_char CARD_IrqTab[8] = + {15, 10, 15, 3, 11, 5, 11, 9}; + cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3]; + } + val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE; + if (val < 3) + val |= 8; + val += 'A' - 3; + if (val == 'B' || val == 'C') + val ^= 1; + if ((cs->subtyp == ELSA_PCFPRO) && (val = 'G')) + val = 'C'; + printk(KERN_INFO + "Elsa: %s found at %#lx Rev.:%c IRQ %d\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base, + val, cs->irq); + val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD; + if (val) { + printk(KERN_WARNING + "Elsa: Microlink S0 bus power bad\n"); + cs->hw.elsa.status |= ELSA_BAD_PWR; + } + } else { + printk(KERN_WARNING + "No Elsa Microlink found\n"); + return (0); + } + } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) { +#ifdef __ISAPNP__ + if (!card->para[1] && isapnp_present()) { + struct pnp_dev *pnp_d; + while(ipid->card_vendor) { + if ((pnp_c = pnp_find_card(ipid->card_vendor, + ipid->card_device, pnp_c))) { + pnp_d = NULL; + if ((pnp_d = pnp_find_dev(pnp_c, + ipid->vendor, ipid->function, pnp_d))) { + int err; + + printk(KERN_INFO "HiSax: %s detected\n", + (char *)ipid->driver_data); + pnp_disable_dev(pnp_d); + err = pnp_activate_dev(pnp_d); + if (err<0) { + printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", + __FUNCTION__, err); + return(0); + } + card->para[1] = pnp_port_start(pnp_d, 0); + card->para[0] = pnp_irq(pnp_d, 0); + + if (!card->para[0] || !card->para[1]) { + printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n", + card->para[0], card->para[1]); + pnp_disable_dev(pnp_d); + return(0); + } + if (ipid->function == ISAPNP_FUNCTION(0x133)) + cs->subtyp = ELSA_QS1000; + else + cs->subtyp = ELSA_QS3000; + break; + } else { + printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n"); + return(0); + } + } + ipid++; + pnp_c=NULL; + } + if (!ipid->card_vendor) { + printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n"); + return(0); + } + } +#endif + if (card->para[1] && card->para[0]) { + cs->hw.elsa.base = card->para[1]; + cs->irq = card->para[0]; + if (!cs->subtyp) + cs->subtyp = ELSA_QS1000; + } else { + printk(KERN_ERR "Elsa PnP: no parameter\n"); + } + cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG; + cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE; + cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC; + cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX; + cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ; + cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER; + cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL; + printk(KERN_INFO + "Elsa: %s defined at %#lx IRQ %d\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base, + cs->irq); + } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA) { + cs->hw.elsa.base = card->para[1]; + cs->irq = card->para[0]; + val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID); + if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */ + cs->subtyp = ELSA_PCMCIA_IPAC; + cs->hw.elsa.ale = cs->hw.elsa.base + 0; + cs->hw.elsa.isac = cs->hw.elsa.base + 2; + cs->hw.elsa.hscx = cs->hw.elsa.base + 2; + test_and_set_bit(HW_IPAC, &cs->HW_Flags); + } else { + cs->subtyp = ELSA_PCMCIA; + cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM; + cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM; + cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX; + } + cs->hw.elsa.timer = 0; + cs->hw.elsa.trig = 0; + cs->hw.elsa.ctrl = 0; + cs->irq_flags |= SA_SHIRQ; + printk(KERN_INFO + "Elsa: %s defined at %#lx IRQ %d\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base, + cs->irq); + } else if (cs->typ == ISDN_CTYPE_ELSA_PCI) { +#ifdef CONFIG_PCI + cs->subtyp = 0; + if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA, + PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) { + if (pci_enable_device(dev_qs1000)) + return(0); + cs->subtyp = ELSA_QS1000PCI; + cs->irq = dev_qs1000->irq; + cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1); + cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3); + } else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA, + PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) { + if (pci_enable_device(dev_qs3000)) + return(0); + cs->subtyp = ELSA_QS3000PCI; + cs->irq = dev_qs3000->irq; + cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1); + cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3); + } else { + printk(KERN_WARNING "Elsa: No PCI card found\n"); + return(0); + } + if (!cs->irq) { + printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n"); + return(0); + } + + if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) { + printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n"); + return(0); + } + if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) { + printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n"); + printk(KERN_WARNING "Elsa: If your system hangs now, read\n"); + printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n"); + } + cs->hw.elsa.ale = cs->hw.elsa.base; + cs->hw.elsa.isac = cs->hw.elsa.base +1; + cs->hw.elsa.hscx = cs->hw.elsa.base +1; + test_and_set_bit(HW_IPAC, &cs->HW_Flags); + cs->hw.elsa.timer = 0; + cs->hw.elsa.trig = 0; + cs->irq_flags |= SA_SHIRQ; + printk(KERN_INFO + "Elsa: %s defined at %#lx/0x%x IRQ %d\n", + Elsa_Types[cs->subtyp], + cs->hw.elsa.base, + cs->hw.elsa.cfg, + cs->irq); +#else + printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOS\n"); + printk(KERN_WARNING "Elsa: unable to config Elsa PCI\n"); + return (0); +#endif /* CONFIG_PCI */ + } else + return (0); + + switch (cs->subtyp) { + case ELSA_PC: + case ELSA_PCC8: + case ELSA_PCC16: + case ELSA_QS1000: + case ELSA_PCMCIA: + case ELSA_PCMCIA_IPAC: + bytecnt = 8; + break; + case ELSA_PCFPRO: + case ELSA_PCF: + case ELSA_QS3000: + case ELSA_QS3000PCI: + bytecnt = 16; + break; + case ELSA_QS1000PCI: + bytecnt = 2; + break; + default: + printk(KERN_WARNING + "Unknown ELSA subtype %d\n", cs->subtyp); + return (0); + } + /* In case of the elsa pcmcia card, this region is in use, + reserved for us by the card manager. So we do not check it + here, it would fail. */ + if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) { + printk(KERN_WARNING + "HiSax: %s config port %#lx-%#lx already in use\n", + CardType[card->typ], + cs->hw.elsa.base, + cs->hw.elsa.base + bytecnt); + return (0); + } + if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) { + if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) { + printk(KERN_WARNING + "HiSax: %s pci port %x-%x already in use\n", + CardType[card->typ], + cs->hw.elsa.cfg, + cs->hw.elsa.cfg + 0x80); + release_region(cs->hw.elsa.base, bytecnt); + return (0); + } + } +#if ARCOFI_USE + init_arcofi(cs); +#endif + setup_isac(cs); + cs->hw.elsa.tl.function = (void *) elsa_led_handler; + cs->hw.elsa.tl.data = (long) cs; + init_timer(&cs->hw.elsa.tl); + /* Teste Timer */ + if (cs->hw.elsa.timer) { + byteout(cs->hw.elsa.trig, 0xff); + byteout(cs->hw.elsa.timer, 0); + if (!TimerRun(cs)) { + byteout(cs->hw.elsa.timer, 0); /* 2. Versuch */ + if (!TimerRun(cs)) { + printk(KERN_WARNING + "Elsa: timer do not start\n"); + release_io_elsa(cs); + return (0); + } + } + HZDELAY((HZ/100) + 1); /* wait >=10 ms */ + if (TimerRun(cs)) { + printk(KERN_WARNING "Elsa: timer do not run down\n"); + release_io_elsa(cs); + return (0); + } + printk(KERN_INFO "Elsa: timer OK; resetting card\n"); + } + cs->BC_Read_Reg = &ReadHSCX; + cs->BC_Write_Reg = &WriteHSCX; + cs->BC_Send_Data = &hscx_fill_fifo; + cs->cardmsg = &Elsa_card_msg; + if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) { + cs->readisac = &ReadISAC_IPAC; + cs->writeisac = &WriteISAC_IPAC; + cs->readisacfifo = &ReadISACfifo_IPAC; + cs->writeisacfifo = &WriteISACfifo_IPAC; + cs->irq_func = &elsa_interrupt_ipac; + val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID); + printk(KERN_INFO "Elsa: IPAC version %x\n", val); + } else { + cs->readisac = &ReadISAC; + cs->writeisac = &WriteISAC; + cs->readisacfifo = &ReadISACfifo; + cs->writeisacfifo = &WriteISACfifo; + cs->irq_func = &elsa_interrupt; + ISACVersion(cs, "Elsa:"); + if (HscxVersion(cs, "Elsa:")) { + printk(KERN_WARNING + "Elsa: wrong HSCX versions check IO address\n"); + release_io_elsa(cs); + return (0); + } + } + if (cs->subtyp == ELSA_PC) { + val = readitac(cs, ITAC_SYS); + printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]); + writeitac(cs, ITAC_ISEN, 0); + writeitac(cs, ITAC_RFIE, 0); + writeitac(cs, ITAC_XFIE, 0); + writeitac(cs, ITAC_SCIE, 0); + writeitac(cs, ITAC_STIE, 0); + } + return (1); +} |