elsa.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:32k
- /* $Id: elsa.c,v 1.1.4.1 2001/11/20 14:19:35 kai 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
- *
- */
- #define __NO_VERSION__
- #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/serial.h>
- #include <linux/serial_reg.h>
- extern const char *CardType[];
- const char *Elsa_revision = "$Revision: 1.1.4.1 $";
- 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;
- 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.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;
- long flags;
- save_flags(flags);
- cli();
- byteout(cs->hw.elsa.ale, off);
- ret = bytein(cs->hw.elsa.itac);
- restore_flags(flags);
- return (ret);
- }
- static inline void
- writeitac(struct IsdnCardState *cs, u_char off, u_char data)
- {
- long flags;
- save_flags(flags);
- cli();
- byteout(cs->hw.elsa.ale, off);
- byteout(cs->hw.elsa.itac, data);
- restore_flags(flags);
- }
- 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 void
- elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char val;
- int icnt=5;
- if (!cs) {
- printk(KERN_WARNING "Elsa: Spurious interrupt!n");
- return;
- }
- 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;
- }
- #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 LOOPn");
- 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);
- }
- static void
- elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char ista,val;
- int icnt=5;
- if (!cs) {
- printk(KERN_WARNING "Elsa: Spurious interrupt!n");
- return;
- }
- if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
- val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
- if (!(val & ELSA_PCI_IRQ_MASK))
- return;
- }
- #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 LOOPn");
- writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
- writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
- }
- 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)
- {
- long flags;
- 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)) {
- save_flags(flags);
- sti();
- writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
- writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
- set_current_state(TASK_UNINTERRUPTIBLE);
- writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
- schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
- restore_flags(flags);
- 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%lxn",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base+8);
- release_region(cs->hw.elsa.base, 8);
- if (check_region(cs->hw.elsa.base, 16)) {
- printk(KERN_WARNING
- "HiSax: %s config port %lx-%lx already in usen",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base + 8,
- cs->hw.elsa.base + 16);
- } else
- request_region(cs->hw.elsa.base, 16,
- "elsa isdn modem");
- } else if (cs->subtyp==ELSA_PCC16) {
- cs->subtyp = ELSA_PCF;
- printk(KERN_INFO
- "Elsa: %s detected modem at 0x%lxn",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base+8);
- release_region(cs->hw.elsa.base, 8);
- if (check_region(cs->hw.elsa.base, 16)) {
- printk(KERN_WARNING
- "HiSax: %s config port %lx-%lx already in usen",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base + 8,
- cs->hw.elsa.base + 16);
- } else
- request_region(cs->hw.elsa.base, 16,
- "elsa isdn modem");
- } else
- printk(KERN_INFO
- "Elsa: %s detected modem at 0x%lxn",
- 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;
- long flags;
- switch (mt) {
- case CARD_RESET:
- reset_elsa(cs);
- return(0);
- case CARD_RELEASE:
- release_io_elsa(cs);
- return(0);
- case CARD_INIT:
- cs->debug |= L1_DEB_IPAC;
- 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);
- 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 {
- save_flags(flags);
- cs->hw.elsa.counter = 0;
- sti();
- 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);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((110*HZ)/1000);
- restore_flags(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;
- printk(KERN_INFO "Elsa: %d timer tics in 110 msekn",
- cs->hw.elsa.counter);
- if ((cs->hw.elsa.counter > 10) &&
- (cs->hw.elsa.counter < 16)) {
- printk(KERN_INFO "Elsa: timer and irq OKn");
- ret = 0;
- } else {
- printk(KERN_WARNING
- "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflictn",
- 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;
- long flags;
- /* 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 && check_region(adr, 8)) {
- printk(KERN_WARNING
- "Elsa: Probing Port 0x%x: already in usen",
- adr);
- return (0);
- }
- save_flags(flags);
- cli();
- 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;
- }
- restore_flags(flags);
- printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
- if (65 == ++p16_1 * ++p16_2) {
- printk(" PCC-16/PCF foundn");
- return (ELSA_PCC16);
- } else if (1025 == ++pfp_1 * ++pfp_2) {
- printk(" PCF-Pro foundn");
- return (ELSA_PCFPRO);
- } else if (33 == ++p8_1 * ++p8_2) {
- printk(" PCC8 foundn");
- return (ELSA_PCC8);
- } else if (17 == ++pc_1 * ++pc_2) {
- printk(" PC foundn");
- return (ELSA_PC);
- } else {
- printk(" failedn");
- 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;
- int __devinit
- setup_elsa(struct IsdnCard *card)
- {
- long flags;
- int bytecnt;
- u_char val;
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
- strcpy(tmp, Elsa_revision);
- printk(KERN_INFO "HiSax: Elsa driver Rev. %sn", HiSax_getrev(tmp));
- cs->hw.elsa.ctrl_reg = 0;
- cs->hw.elsa.status = 0;
- cs->hw.elsa.MFlag = 0;
- if (cs->typ == ISDN_CTYPE_ELSA) {
- cs->hw.elsa.base = card->para[0];
- printk(KERN_INFO "Elsa: Microlink IO probingn");
- 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 %#lxn",
- 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 %dn",
- 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 badn");
- cs->hw.elsa.status |= ELSA_BAD_PWR;
- }
- } else {
- printk(KERN_WARNING
- "No Elsa Microlink foundn");
- return (0);
- }
- } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
- cs->hw.elsa.base = card->para[1];
- cs->irq = card->para[0];
- cs->subtyp = ELSA_QS1000;
- 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 %dn",
- 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;
- printk(KERN_INFO
- "Elsa: %s defined at %#lx IRQ %dn",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base,
- cs->irq);
- } else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
- #if CONFIG_PCI
- if (!pci_present()) {
- printk(KERN_ERR "Elsa: no PCI bus presentn");
- return(0);
- }
- 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 foundn");
- return(0);
- }
- if (!cs->irq) {
- printk(KERN_WARNING "Elsa: No IRQ for PCI card foundn");
- return(0);
- }
- if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
- printk(KERN_WARNING "Elsa: No IO-Adr for PCI card foundn");
- return(0);
- }
- if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
- printk(KERN_WARNING "Elsa: You may have a wrong PCI biosn");
- printk(KERN_WARNING "Elsa: If your system hangs now, readn");
- printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSaxn");
- printk(KERN_WARNING "Elsa: Waiting 5 sec to sync discsn");
- save_flags(flags);
- sti();
- HZDELAY(500); /* wait 500*10 ms */
- restore_flags(flags);
- }
- 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 %dn",
- Elsa_Types[cs->subtyp],
- cs->hw.elsa.base,
- cs->hw.elsa.cfg,
- cs->irq);
- #else
- printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOSn");
- printk(KERN_WARNING "Elsa: unable to config Elsa PCIn");
- 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_QS3000PCI:
- bytecnt = 16;
- break;
- case ELSA_QS1000PCI:
- bytecnt = 2;
- break;
- default:
- printk(KERN_WARNING
- "Unknown ELSA subtype %dn", 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 && check_region(cs->hw.elsa.base, bytecnt)) {
- printk(KERN_WARNING
- "HiSax: %s config port %#lx-%#lx already in usen",
- CardType[card->typ],
- cs->hw.elsa.base,
- cs->hw.elsa.base + bytecnt);
- return (0);
- } else {
- request_region(cs->hw.elsa.base, bytecnt, "elsa isdn");
- }
- if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
- if (check_region(cs->hw.elsa.cfg, 0x80)) {
- printk(KERN_WARNING
- "HiSax: %s pci port %x-%x already in usen",
- CardType[card->typ],
- cs->hw.elsa.cfg,
- cs->hw.elsa.cfg + 0x80);
- release_region(cs->hw.elsa.base, bytecnt);
- return (0);
- } else {
- request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci");
- }
- }
- #if ARCOFI_USE
- init_arcofi(cs);
- #endif
- 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 startn");
- release_io_elsa(cs);
- return (0);
- }
- }
- save_flags(flags);
- sti();
- HZDELAY(1); /* wait >=10 ms */
- restore_flags(flags);
- if (TimerRun(cs)) {
- printk(KERN_WARNING "Elsa: timer do not run downn");
- release_io_elsa(cs);
- return (0);
- }
- printk(KERN_INFO "Elsa: timer OK; resetting cardn");
- }
- cs->BC_Read_Reg = &ReadHSCX;
- cs->BC_Write_Reg = &WriteHSCX;
- cs->BC_Send_Data = &hscx_fill_fifo;
- cs->cardmsg = &Elsa_card_msg;
- reset_elsa(cs);
- 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 %xn", 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 addressn");
- release_io_elsa(cs);
- return (0);
- }
- }
- if (cs->subtyp == ELSA_PC) {
- val = readitac(cs, ITAC_SYS);
- printk(KERN_INFO "Elsa: ITAC version %sn", 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);
- }