/*---------------------------------------------------------------------------*
* isic_recovery - try to recover from irq lockup
*---------------------------------------------------------------------------*/
void
isic_recover(struct isic_softc *sc)
{
u_char byte;
/* get hscx irq status from hscx b ista */
byte = HSCX_READ(HSCX_CH_B, H_ISTA);
NDBGL1(L1_ERROR, "HSCX B: ISTA = 0x%x", byte);
if(byte & HSCX_ISTA_ICA)
NDBGL1(L1_ERROR, "HSCX A: ISTA = 0x%x", (u_char)HSCX_READ(HSCX_CH_A, H_ISTA));
if(byte & HSCX_ISTA_EXB)
NDBGL1(L1_ERROR, "HSCX B: EXIR = 0x%x", (u_char)HSCX_READ(HSCX_CH_B, H_EXIR));
if(byte & HSCX_ISTA_EXA)
NDBGL1(L1_ERROR, "HSCX A: EXIR = 0x%x", (u_char)HSCX_READ(HSCX_CH_A, H_EXIR));
/* get isac irq status */
byte = ISAC_READ(I_ISTA);
NDBGL1(L1_ERROR, " ISAC: ISTA = 0x%x", byte);
if(byte & ISAC_ISTA_EXI)
NDBGL1(L1_ERROR, " ISAC: EXIR = 0x%x", (u_char)ISAC_READ(I_EXIR));
if(byte & ISAC_ISTA_CISQ)
{
byte = ISAC_READ(I_CIRR);
NDBGL1(L1_ERROR, " ISAC: CISQ = 0x%x", byte);
if(byte & ISAC_CIRR_SQC)
NDBGL1(L1_ERROR, " ISAC: SQRR = 0x%x", (u_char)ISAC_READ(I_SQRR));
}
NDBGL1(L1_ERROR, "HSCX B: IMASK = 0x%x", HSCX_B_IMASK);
NDBGL1(L1_ERROR, "HSCX A: IMASK = 0x%x", HSCX_A_IMASK);
HSCX_WRITE(0, H_MASK, 0xff);
HSCX_WRITE(1, H_MASK, 0xff);
DELAY(100);
HSCX_WRITE(0, H_MASK, HSCX_A_IMASK);
HSCX_WRITE(1, H_MASK, HSCX_B_IMASK);
DELAY(100);
NDBGL1(L1_ERROR, " ISAC: IMASK = 0x%x", ISAC_IMASK);
ISAC_WRITE(I_MASK, 0xff);
DELAY(100);
ISAC_WRITE(I_MASK, ISAC_IMASK);
}
/*---------------------------------------------------------------------------*
* ISACSX recover - try to recover from irq lockup
*---------------------------------------------------------------------------*/
void
isic_isacsx_recover(struct isic_softc *sc)
{
u_char byte, istad;
/*
* XXX
* Leo: Unknown if this function does anything good... At least it
* prints some stuff that might be helpful.
*/
printf("%s: isic_isacsx_recover\n", device_xname(&sc->sc_dev));
/* get isac irq status */
byte = ISAC_READ(I_ISTAD);
NDBGL1(L1_ERROR, " ISAC: ISTAD = 0x%x", byte);
if(byte & ISACSX_ISTA_ICD) {
istad = ISAC_READ(I_ISTAD);
NDBGL1(L1_ERROR, " ISACSX: istad = 0x%02x", istad);
}
if(byte & ISACSX_ISTA_CIC)
{
byte = ISAC_READ(I_CIR0);
NDBGL1(L1_ERROR, " ISACSX: CIR0 = 0x%x", byte);
}
NDBGL1(L1_ERROR, " ISACSX: IMASKD/IMASK = 0x%02x/%02x", isacsx_imaskd,
isacsx_imask);
ISAC_WRITE(I_MASKD, 0xff);
ISAC_WRITE(I_MASK, 0xff);
DELAY(100);
ISAC_WRITE(I_MASKD, isacsx_imaskd);
ISAC_WRITE(I_MASK, isacsx_imask);
}
void
avm_pnp_intr(int unit)
{
struct isic_softc *sc;
u_char stat;
register u_char isac_irq_stat;
int was_isac = 0;
sc = &isic_sc[unit];
for(;;) {
stat = inb(sc->sc_port + STAT0_OFFSET);
DBGL1(L1_H_IRQ, "avm_pnp_intr", ("stat %x\n", stat));
/* was there an interrupt from this card ? */
if ((stat & ASL_IRQ_Pending) == ASL_IRQ_Pending)
break; /* no */
/* interrupts are low active */
if (!(stat & ASL_IRQ_TIMER))
DBGL1(L1_H_IRQ, "avm_pnp_intr", ("timer interrupt ???\n"));
if (!(stat & ASL_IRQ_ISAC))
{
DBGL1(L1_H_IRQ, "avm_pnp_intr", ("ISAC\n"));
isac_irq_stat = ISAC_READ(I_ISTA);
isic_isac_irq(sc, isac_irq_stat);
was_isac = 1;
}
if (!(stat & ASL_IRQ_HSCX))
{
DBGL1(L1_H_IRQ, "avm_pnp_intr", ("HSCX\n"));
avm_pnp_hscx_int_handler(sc);
}
}
if (was_isac) {
ISAC_WRITE(0x20, 0xFF);
ISAC_WRITE(0x20, 0x0);
}
}
/*---------------------------------------------------------------------------*
* ISACSX interrupt service routine
*---------------------------------------------------------------------------*/
void
isic_isacsx_irq(struct isic_softc *sc, int ista)
{
register u_char c = 0;
register u_char istad = 0;
NDBGL1(L1_F_MSG, "%s: ista = 0x%02x", device_xname(&sc->sc_dev), ista);
/* was it an HDLC interrupt ? */
if (ista & ISACSX_ISTA_ICD)
{
istad = ISAC_READ(I_ISTAD);
NDBGL1(L1_F_MSG, "%s: istad = 0x%02x", device_xname(&sc->sc_dev), istad);
if(istad & (ISACSX_ISTAD_RFO|ISACSX_ISTAD_XMR|ISACSX_ISTAD_XDU))
{
/* not really EXIR, but very similar */
c |= isic_isacsx_exir_hdlr(sc, istad);
}
}
if(istad & ISACSX_ISTAD_RME) /* receive message end */
{
register int rest;
u_char rsta;
/* get rx status register */
rsta = ISAC_READ(I_RSTAD);
/* Check for Frame and CRC valid */
if((rsta & ISACSX_RSTAD_MASK) != (ISACSX_RSTAD_VFR|ISACSX_RSTAD_CRC))
{
int error = 0;
if(!(rsta & ISACSX_RSTAD_VFR)) /* VFR error */
{
error++;
NDBGL1(L1_I_ERR, "%s: Frame not valid error", device_xname(&sc->sc_dev));
}
if(!(rsta & ISACSX_RSTAD_CRC)) /* CRC error */
{
error++;
NDBGL1(L1_I_ERR, "%s: CRC error", device_xname(&sc->sc_dev));
}
if(rsta & ISACSX_RSTAD_RDO) /* ReceiveDataOverflow */
{
error++;
NDBGL1(L1_I_ERR, "%s: Data Overrun error", device_xname(&sc->sc_dev));
}
if(rsta & ISACSX_RSTAD_RAB) /* ReceiveABorted */
{
error++;
NDBGL1(L1_I_ERR, "%s: Receive Aborted error", device_xname(&sc->sc_dev));
}
if(error == 0)
NDBGL1(L1_I_ERR, "%s: RME unknown error, RSTAD = 0x%02x!", device_xname(&sc->sc_dev), rsta);
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISACSX_CMDRD_RMC|ISACSX_CMDRD_RRES;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
ISAC_WRITE(I_CMDRD, ISACSX_CMDRD_RMC|ISACSX_CMDRD_RRES);
return;
}
rest = (ISAC_READ(I_RBCLD) & (ISACSX_FIFO_LEN-1));
if(rest == 0)
rest = ISACSX_FIFO_LEN;
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(rest)) != NULL)
sc->sc_ib = sc->sc_ibuf->m_data;
else
panic("isic_isacsx_irq: RME, i4b_Dgetmbuf returns NULL!\n");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - rest))
{
ISAC_RDFIFO(sc->sc_ib, rest);
/* the last byte contains status, strip it */
sc->sc_ilen += rest - 1;
sc->sc_ibuf->m_pkthdr.len =
sc->sc_ibuf->m_len = sc->sc_ilen;
if(sc->sc_trace & TRACE_D_RX)
{
i4b_trace_hdr hdr;
memset(&hdr, 0, sizeof hdr);
hdr.type = TRC_CH_D;
hdr.dir = FROM_NT;
hdr.count = ++sc->sc_trace_dcount;
isdn_layer2_trace_ind(&sc->sc_l2, sc->sc_l3token, &hdr, sc->sc_ibuf->m_len, sc->sc_ibuf->m_data);
}
c |= ISACSX_CMDRD_RMC;
if(sc->sc_intr_valid == ISIC_INTR_VALID &&
(((struct isdn_l3_driver*)sc->sc_l3token)->protocol != PROTOCOL_D64S))
{
isdn_layer2_data_ind(&sc->sc_l2, sc->sc_l3token, sc->sc_ibuf);
}
else
{
i4b_Dfreembuf(sc->sc_ibuf);
}
}
else
{
NDBGL1(L1_I_ERR, "RME, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISACSX_CMDRD_RMC|ISACSX_CMDRD_RRES;
}
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
}
if(istad & ISACSX_ISTAD_RPF) /* receive fifo full */
{
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(MAX_DFRAME_LEN)) != NULL)
sc->sc_ib= sc->sc_ibuf->m_data;
else
panic("isic_isacsx_irq: RPF, i4b_Dgetmbuf returns NULL!\n");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - ISACSX_FIFO_LEN))
{
ISAC_RDFIFO(sc->sc_ib, ISACSX_FIFO_LEN);
sc->sc_ilen += ISACSX_FIFO_LEN;
sc->sc_ib += ISACSX_FIFO_LEN;
c |= ISACSX_CMDRD_RMC;
}
else
{
NDBGL1(L1_I_ERR, "RPF, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
c |= ISACSX_CMDRD_RMC|ISACSX_CMDRD_RRES;
}
}
if(istad & ISACSX_ISTAD_XPR) /* transmit fifo empty (XPR bit set) */
{
if((sc->sc_obuf2 != NULL) && (sc->sc_obuf == NULL))
{
sc->sc_freeflag = sc->sc_freeflag2;
sc->sc_obuf = sc->sc_obuf2;
sc->sc_op = sc->sc_obuf->m_data;
sc->sc_ol = sc->sc_obuf->m_len;
sc->sc_obuf2 = NULL;
#ifdef NOTDEF
printf("ob2=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
else
{
#ifdef NOTDEF
printf("ob=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
if(sc->sc_obuf)
{
ISAC_WRFIFO(sc->sc_op, min(sc->sc_ol, ISACSX_FIFO_LEN));
if(sc->sc_ol > ISACSX_FIFO_LEN) /* length > 32 ? */
{
sc->sc_op += ISACSX_FIFO_LEN; /* bufferptr+32 */
sc->sc_ol -= ISACSX_FIFO_LEN; /* length - 32 */
c |= ISACSX_CMDRD_XTF; /* set XTF bit */
}
else
{
if(sc->sc_freeflag)
{
i4b_Dfreembuf(sc->sc_obuf);
sc->sc_freeflag = 0;
}
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
c |= ISACSX_CMDRD_XTF | ISACSX_CMDRD_XME;
}
}
else
{
sc->sc_state &= ~ISAC_TX_ACTIVE;
}
}
if(ista & ISACSX_ISTA_CIC) /* channel status change CISQ */
{
register u_char ci;
/* get command/indication rx register*/
ci = ISAC_READ(I_CIR0);
/* C/I code change IRQ (flag already cleared by CIR0 read) */
if(ci & ISACSX_CIR0_CIC0)
isic_isacsx_ind_hdlr(sc, (ci >> 4) & 0xf);
}
if(c)
{
ISAC_WRITE(I_CMDRD, c);
}
}
static int
isicattach(int flags, struct isic_softc *sc)
{
int ret = 0;
const char *drvid;
#ifdef __FreeBSD__
struct isic_softc *sc = &l1_sc[dev->id_unit];
#define PARM dev
#define PARM2 dev, iobase2
#define FLAGS dev->id_flags
#elif defined(__bsdi__)
struct isic_softc *sc = device_private(self);
#define PARM parent, self, ia
#define PARM2 parent, self, ia
#define FLAGS sc->sc_flags
#else
#define PARM sc
#define PARM2 sc
#define FLAGS flags
#endif /* __FreeBSD__ */
static const char *ISACversion[] = {
"2085 Version A1/A2 or 2086/2186 Version 1.1",
"2085 Version B1",
"2085 Version B2",
"2085 Version V2.3 (B3)",
"Unknown Version"
};
static const char *HSCXversion[] = {
"82525 Version A1",
"Unknown (0x01)",
"82525 Version A2",
"Unknown (0x03)",
"82525 Version A3",
"82525 or 21525 Version 2.1",
"Unknown Version"
};
/* card dependent setup */
switch(FLAGS)
{
#ifdef ISICISA_DYNALINK
#if defined(__bsdi__) || defined(__FreeBSD__)
case FLAG_DYNALINK:
ret = isic_attach_Dyn(PARM2);
break;
#endif
#endif
#ifdef ISICISA_TEL_S0_8
case FLAG_TELES_S0_8:
ret = isic_attach_s08(PARM);
break;
#endif
#ifdef ISICISA_TEL_S0_16
case FLAG_TELES_S0_16:
ret = isic_attach_s016(PARM);
break;
#endif
#ifdef ISICISA_TEL_S0_16_3
case FLAG_TELES_S0_163:
ret = isic_attach_s0163(PARM);
break;
#endif
#ifdef ISICISA_AVM_A1
case FLAG_AVM_A1:
ret = isic_attach_avma1(PARM);
break;
#endif
#ifdef ISICISA_USR_STI
case FLAG_USR_ISDN_TA_INT:
ret = isic_attach_usrtai(PARM);
break;
#endif
#ifdef ISICISA_ITKIX1
case FLAG_ITK_IX1:
ret = isic_attach_itkix1(PARM);
break;
#endif
#ifdef ISICISA_ELSA_PCC16
case FLAG_ELSA_PCC16:
ret = isic_attach_Eqs1pi(dev, 0);
break;
#endif
#ifdef amiga
case FLAG_BLMASTER:
ret = 1; /* full detection was done in caller */
break;
#endif
/* ======================================================================
* Only P&P cards follow below!!!
*/
#ifdef __FreeBSD__ /* we've already splitted all non-ISA stuff
out of this ISA specific part for the other
OS */
#ifdef AVM_A1_PCMCIA
case FLAG_AVM_A1_PCMCIA:
ret = isic_attach_fritzpcmcia(PARM);
break;
#endif
#ifdef TEL_S0_16_3_P
case FLAG_TELES_S0_163_PnP:
ret = isic_attach_s0163P(PARM2);
break;
#endif
#ifdef CRTX_S0_P
case FLAG_CREATIX_S0_PnP:
ret = isic_attach_Cs0P(PARM2);
break;
#endif
#ifdef DRN_NGO
case FLAG_DRN_NGO:
ret = isic_attach_drnngo(PARM2);
break;
#endif
#ifdef SEDLBAUER
case FLAG_SWS:
ret = isic_attach_sws(PARM);
break;
#endif
#ifdef ELSA_QS1ISA
case FLAG_ELSA_QS1P_ISA:
ret = isic_attach_Eqs1pi(PARM2);
break;
#endif
#ifdef AVM_PNP
case FLAG_AVM_PNP:
ret = isic_attach_avm_pnp(PARM2);
ret = 0;
break;
#endif
#ifdef SIEMENS_ISURF2
case FLAG_SIEMENS_ISURF2:
ret = isic_attach_siemens_isurf(PARM2);
break;
#endif
#ifdef ASUSCOM_IPAC
case FLAG_ASUSCOM_IPAC:
ret = isic_attach_asi(PARM2);
break;
#endif
#endif /* __FreeBSD__ / P&P specific part */
default:
break;
}
if(ret == 0)
return(0);
if(sc->sc_ipac)
{
sc->sc_ipac_version = IPAC_READ(IPAC_ID);
switch(sc->sc_ipac_version)
{
case IPAC_V11:
case IPAC_V12:
break;
default:
aprint_error_dev(sc->sc_dev, "Error, IPAC version %d unknown!\n", ret);
return(0);
break;
}
}
else
{
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch(sc->sc_isac_version)
{
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
break;
default:
printf(ISIC_FMT "Error, ISAC version %d unknown!\n",
ISIC_PARM, sc->sc_isac_version);
return(0);
break;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch(sc->sc_hscx_version)
{
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
break;
default:
printf(ISIC_FMT "Error, HSCX version %d unknown!\n",
ISIC_PARM, sc->sc_hscx_version);
return(0);
break;
}
}
sc->sc_intr_valid = ISIC_INTR_DISABLED;
/* HSCX setup */
isic_bchannel_setup(sc, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc, HSCX_CH_B, BPROT_NONE, 0);
/* setup linktab */
isic_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
#if defined(__FreeBSD__) && __FreeBSD__ >=3
callout_handle_init(&sc->sc_T3_callout);
callout_handle_init(&sc->sc_T4_callout);
#endif
#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
callout_init(&sc->sc_T3_callout, 0);
callout_init(&sc->sc_T4_callout, 0);
#endif
/* announce manufacturer and card type */
switch(FLAGS)
{
case FLAG_TELES_S0_8:
drvid = "Teles S0/8 or Niccy 1008";
break;
case FLAG_TELES_S0_16:
drvid = "Teles S0/16, Creatix ISDN S0-16 or Niccy 1016";
break;
case FLAG_TELES_S0_163:
drvid = "Teles S0/16.3";
break;
case FLAG_AVM_A1:
drvid = "AVM A1 or AVM Fritz!Card";
break;
case FLAG_AVM_A1_PCMCIA:
drvid = "AVM PCMCIA Fritz!Card";
break;
case FLAG_TELES_S0_163_PnP:
drvid = "Teles S0/PnP";
break;
case FLAG_CREATIX_S0_PnP:
drvid = "Creatix ISDN S0-16 P&P";
break;
case FLAG_USR_ISDN_TA_INT:
drvid = "USRobotics Sportster ISDN TA intern";
break;
case FLAG_DRN_NGO:
drvid = "Dr. Neuhaus NICCY Go@";
break;
case FLAG_DYNALINK:
drvid = "Dynalink IS64PH";
break;
case FLAG_SWS:
drvid = "Sedlbauer WinSpeed";
break;
case FLAG_BLMASTER:
/* board announcement was done by caller */
drvid = (char *)0;
break;
case FLAG_ELSA_QS1P_ISA:
drvid = "ELSA QuickStep 1000pro (ISA)";
break;
case FLAG_ITK_IX1:
drvid = "ITK ix1 micro";
break;
case FLAG_ELSA_PCC16:
drvid = "ELSA PCC-16";
break;
case FLAG_ASUSCOM_IPAC:
drvid = "Asuscom ISDNlink 128K PnP";
break;
case FLAG_SIEMENS_ISURF2:
drvid = "Siemens I-Surf 2.0";
break;
default:
drvid = "ERROR, unknown flag used";
break;
}
#ifndef __FreeBSD__
printf("\n");
#endif
if (drvid)
printf(ISIC_FMT "%s\n", ISIC_PARM, drvid);
/* announce chip versions */
if(sc->sc_ipac)
{
if(sc->sc_ipac_version == IPAC_V11)
printf(ISIC_FMT "IPAC PSB2115 Version 1.1\n", ISIC_PARM);
else
printf(ISIC_FMT "IPAC PSB2115 Version 1.2\n", ISIC_PARM);
}
else
{
if(sc->sc_isac_version >= ISAC_UNKN)
{
printf(ISIC_FMT "ISAC Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_isac_version);
sc->sc_isac_version = ISAC_UNKN;
}
else
{
printf(ISIC_FMT "ISAC %s (IOM-%c)" TERMFMT,
ISIC_PARM,
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
}
#ifdef __FreeBSD__
printf("(Addr=0x%lx)\n", (u_long)ISAC_BASE);
#endif
if(sc->sc_hscx_version >= HSCX_UNKN)
{
printf(ISIC_FMT "HSCX Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_hscx_version);
sc->sc_hscx_version = HSCX_UNKN;
}
else
{
printf(ISIC_FMT "HSCX %s" TERMFMT,
ISIC_PARM,
HSCXversion[sc->sc_hscx_version]);
}
#ifdef __FreeBSD__
printf("(AddrA=0x%lx, AddrB=0x%lx)\n", (u_long)HSCX_A_BASE, (u_long)HSCX_B_BASE);
#endif /* __FreeBSD__ */
}
#ifdef __FreeBSD__
next_isic_unit++;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300003
/* set the interrupt handler - no need to change isa_device.h */
dev->id_intr = (inthand2_t *)isicintr;
#endif
#endif /* __FreeBSD__ */
/* init higher protocol layers */
isic_attach_bri(sc, drvid, &isic_std_driver);
return(1);
#undef PARM
#undef FLAGS
}
/*---------------------------------------------------------------------------*
* ISAC interrupt service routine
*---------------------------------------------------------------------------*/
void
isic_isac_irq(struct isic_softc *sc, int ista)
{
register u_char c = 0;
NDBGL1(L1_F_MSG, "%s: ista = 0x%02x", device_xname(&sc->sc_dev), ista);
if(ista & ISAC_ISTA_EXI) /* extended interrupt */
{
u_int8_t exirstat = ISAC_READ(I_EXIR);
if (sc->sc_intr_valid == ISIC_INTR_VALID)
c |= isic_isac_exir_hdlr(sc, exirstat);
}
if(ista & ISAC_ISTA_RME) /* receive message end */
{
register int rest;
u_char rsta;
/* get rx status register */
rsta = ISAC_READ(I_RSTA);
if((rsta & ISAC_RSTA_MASK) != 0x20)
{
int error = 0;
if(!(rsta & ISAC_RSTA_CRC)) /* CRC error */
{
error++;
NDBGL1(L1_I_ERR, "%s: CRC error", device_xname(&sc->sc_dev));
}
if(rsta & ISAC_RSTA_RDO) /* ReceiveDataOverflow */
{
error++;
NDBGL1(L1_I_ERR, "%s: Data Overrun error", device_xname(&sc->sc_dev));
}
if(rsta & ISAC_RSTA_RAB) /* ReceiveABorted */
{
error++;
NDBGL1(L1_I_ERR, "%s: Receive Aborted error", device_xname(&sc->sc_dev));
}
if(error == 0)
{
NDBGL1(L1_I_ERR, "%s: RME unknown error, RSTA = 0x%02x!", device_xname(&sc->sc_dev), rsta);
}
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
ISAC_WRITE(I_CMDR, ISAC_CMDR_RMC|ISAC_CMDR_RRES);
ISACCMDRWRDELAY();
return;
}
rest = (ISAC_READ(I_RBCL) & (ISAC_FIFO_LEN-1));
if(rest == 0)
rest = ISAC_FIFO_LEN;
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(rest)) != NULL)
sc->sc_ib = sc->sc_ibuf->m_data;
else
panic("isic_isac_irq: RME, i4b_Dgetmbuf returns NULL!");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - rest))
{
ISAC_RDFIFO(sc->sc_ib, rest);
sc->sc_ilen += rest;
sc->sc_ibuf->m_pkthdr.len =
sc->sc_ibuf->m_len = sc->sc_ilen;
if(sc->sc_trace & TRACE_D_RX)
{
i4b_trace_hdr hdr;
memset(&hdr, 0, sizeof hdr);
hdr.type = TRC_CH_D;
hdr.dir = FROM_NT;
hdr.count = ++sc->sc_trace_dcount;
isdn_layer2_trace_ind(&sc->sc_l2, sc->sc_l3token, &hdr, sc->sc_ibuf->m_len, sc->sc_ibuf->m_data);
}
c |= ISAC_CMDR_RMC;
if(sc->sc_intr_valid == ISIC_INTR_VALID &&
(((struct isdn_l3_driver*)sc->sc_l3token)->protocol != PROTOCOL_D64S))
{
isdn_layer2_data_ind(&sc->sc_l2, sc->sc_l3token, sc->sc_ibuf);
}
else
{
i4b_Dfreembuf(sc->sc_ibuf);
}
}
else
{
NDBGL1(L1_I_ERR, "RME, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
}
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
}
if(ista & ISAC_ISTA_RPF) /* receive fifo full */
{
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(MAX_DFRAME_LEN)) != NULL)
sc->sc_ib= sc->sc_ibuf->m_data;
else
panic("isic_isac_irq: RPF, i4b_Dgetmbuf returns NULL!");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - ISAC_FIFO_LEN))
{
ISAC_RDFIFO(sc->sc_ib, ISAC_FIFO_LEN);
sc->sc_ilen += ISAC_FIFO_LEN;
sc->sc_ib += ISAC_FIFO_LEN;
c |= ISAC_CMDR_RMC;
}
else
{
NDBGL1(L1_I_ERR, "RPF, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
}
}
if(ista & ISAC_ISTA_XPR) /* transmit fifo empty (XPR bit set) */
{
if((sc->sc_obuf2 != NULL) && (sc->sc_obuf == NULL))
{
sc->sc_freeflag = sc->sc_freeflag2;
sc->sc_obuf = sc->sc_obuf2;
sc->sc_op = sc->sc_obuf->m_data;
sc->sc_ol = sc->sc_obuf->m_len;
sc->sc_obuf2 = NULL;
#ifdef NOTDEF
printf("ob2=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
else
{
#ifdef NOTDEF
printf("ob=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
if(sc->sc_obuf)
{
ISAC_WRFIFO(sc->sc_op, min(sc->sc_ol, ISAC_FIFO_LEN));
if(sc->sc_ol > ISAC_FIFO_LEN) /* length > 32 ? */
{
sc->sc_op += ISAC_FIFO_LEN; /* bufferptr+32 */
sc->sc_ol -= ISAC_FIFO_LEN; /* length - 32 */
c |= ISAC_CMDR_XTF; /* set XTF bit */
}
else
{
if(sc->sc_freeflag)
{
i4b_Dfreembuf(sc->sc_obuf);
sc->sc_freeflag = 0;
}
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
c |= ISAC_CMDR_XTF | ISAC_CMDR_XME;
}
}
else
{
sc->sc_state &= ~ISAC_TX_ACTIVE;
}
}
if(ista & ISAC_ISTA_CISQ) /* channel status change CISQ */
{
register u_char ci;
/* get command/indication rx register*/
ci = ISAC_READ(I_CIRR);
/* if S/Q IRQ, read SQC reg to clr SQC IRQ */
if(ci & ISAC_CIRR_SQC)
(void) ISAC_READ(I_SQRR);
/* C/I code change IRQ (flag already cleared by CIRR read) */
if(ci & ISAC_CIRR_CIC0)
isic_isac_ind_hdlr(sc, (ci >> 2) & 0xf);
}
if(c)
{
ISAC_WRITE(I_CMDR, c);
ISACCMDRWRDELAY();
}
}
/*---------------------------------------------------------------------------*
* isic_attach_avm_pnp - attach Fritz!Card PnP
*---------------------------------------------------------------------------*/
int
isic_attach_avm_pnp(struct isa_device *dev, unsigned int iobase2)
{
struct isic_softc *sc;
u_int v;
int unit;
unit = dev->id_unit;
sc = &isic_sc[unit];
/* this thing doesn't have an HSCX, so fake the base addresses */
/* put the unit number into the lower byte - HACK */
HSCX_A_BASE = (caddr_t)(HSCX0FAKE + unit);
HSCX_B_BASE = (caddr_t)(HSCX1FAKE + unit);
/* reset the card */
/* the Linux driver does this to clear any pending ISAC interrupts */
v = 0;
v = ISAC_READ(I_STAR);
v = ISAC_READ(I_MODE);
v = ISAC_READ(I_ADF2);
v = ISAC_READ(I_ISTA);
if (v & ISAC_ISTA_EXI)
{
v = ISAC_READ(I_EXIR);
}
v = ISAC_READ(I_CIRR);
ISAC_WRITE(I_MASK, 0xff);
/* the Linux driver does this to clear any pending HSCX interrupts */
v = hscx_read_reg(0, HSCX_STAT, sc);
v = hscx_read_reg(0, HSCX_STAT+1, sc);
v = hscx_read_reg(0, HSCX_STAT+2, sc);
v = hscx_read_reg(0, HSCX_STAT+3, sc);
v = hscx_read_reg(1, HSCX_STAT, sc);
v = hscx_read_reg(1, HSCX_STAT+1, sc);
v = hscx_read_reg(1, HSCX_STAT+2, sc);
v = hscx_read_reg(1, HSCX_STAT+3, sc);
outb(sc->sc_port + STAT0_OFFSET, ASL_RESET_ALL|ASL_TIMERDISABLE);
DELAY(SEC_DELAY/100); /* 10 ms */
outb(sc->sc_port + STAT0_OFFSET, ASL_TIMERRESET|ASL_ENABLE_INT|ASL_TIMERDISABLE);
DELAY(SEC_DELAY/100); /* 10 ms */
outb(sc->sc_port + STAT1_OFFSET, ASL1_ENABLE_IOM+(ffs(sc->sc_irq)-1));
DELAY(SEC_DELAY/100); /* 10 ms */
printf("isic%d: ISAC %s (IOM-%c)\n", unit,
"2085 Version A1/A2 or 2086/2186 Version 1.1",
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
/* init the ISAC */
isic_isac_init(sc);
/* init the "HSCX" */
avm_pnp_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
avm_pnp_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
/* can't use the normal B-Channel stuff */
avm_pnp_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
#if defined(__FreeBSD__) && __FreeBSD__ >=3
callout_handle_init(&sc->sc_T3_callout);
callout_handle_init(&sc->sc_T4_callout);
#endif
/* init higher protocol layers */
MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp);
return(0);
}
int
isicattach(int flags, struct isic_softc *sc)
#endif /* __FreeBSD__ */
{
int ret = 0;
char *drvid;
#ifdef __FreeBSD__
struct isic_softc *sc = &isic_sc[dev->id_unit];
#define PARM dev
#define PARM2 dev, iobase2
#define FLAGS dev->id_flags
#else
#define PARM sc
#define PARM2 sc
#define FLAGS flags
#endif
static char *ISACversion[] = {
"2085 Version A1/A2 or 2086/2186 Version 1.1",
"2085 Version B1",
"2085 Version B2",
"2085 Version V2.3 (B3)",
"Unknown Version"
};
static char *HSCXversion[] = {
"82525 Version A1",
"Unknown (0x01)",
"82525 Version A2",
"Unknown (0x03)",
"82525 Version A3",
"82525 or 21525 Version 2.1",
"Unknown Version"
};
/* done in bus specific attach code for other OS */
#ifdef __FreeBSD__
if(dev->id_unit != next_isic_unit)
{
printf("isicattach: Error: new unit (%d) != next_isic_unit (%d)!\n", dev->id_unit, next_isic_unit);
return(0);
}
sc->sc_unit = dev->id_unit;
#else
isic_sc[sc->sc_unit] = sc;
#endif
/* card dependent setup */
switch(FLAGS)
{
#ifdef DYNALINK
case FLAG_DYNALINK:
ret = isic_attach_Dyn(PARM2);
break;
#endif
#ifdef TEL_S0_8
case FLAG_TELES_S0_8:
ret = isic_attach_s08(PARM);
break;
#endif
#ifdef TEL_S0_16
case FLAG_TELES_S0_16:
ret = isic_attach_s016(PARM);
break;
#endif
#ifdef TEL_S0_16_3
case FLAG_TELES_S0_163:
ret = isic_attach_s0163(PARM);
break;
#endif
#ifdef AVM_A1
case FLAG_AVM_A1:
ret = isic_attach_avma1(PARM);
break;
#endif
#ifdef USR_STI
case FLAG_USR_ISDN_TA_INT:
ret = isic_attach_usrtai(PARM);
break;
#endif
#ifdef ITKIX1
case FLAG_ITK_IX1:
ret = isic_attach_itkix1(PARM);
break;
#endif
/* ======================================================================
* Only P&P cards follow below!!!
*/
#ifdef __FreeBSD__ /* we've already splitted all non-ISA stuff
out of this ISA specific part for the other
OS */
#ifdef AVM_PCMCIA
case FLAG_AVM_A1_PCMCIA:
ret = isic_attach_fritzpcmcia(PARM);
break;
#endif
#ifndef __FreeBSD__
#ifdef TEL_S0_16_3_P
case FLAG_TELES_S0_163_PnP:
ret = isic_attach_s0163P(PARM2);
break;
#endif
#endif
#ifdef CRTX_S0_P
case FLAG_CREATIX_S0_PnP:
ret = isic_attach_Cs0P(PARM2);
break;
#endif
#ifdef DRN_NGO
case FLAG_DRN_NGO:
ret = isic_attach_drnngo(PARM2);
break;
#endif
#ifdef SEDLBAUER
case FLAG_SWS:
ret = isic_attach_sws(PARM);
break;
#endif
#ifdef ELSA_QS1ISA
case FLAG_ELSA_QS1P_ISA:
ret = isic_attach_Eqs1pi(PARM2);
break;
#endif
#endif /* __FreeBSD__ / P&P specific part */
/* --- XXX - don't know how to handle this - should be removed!!!! ---- */
#ifdef amiga
case FLAG_BLMASTER:
ret = 1; /* full detection was done in caller */
break;
#endif
/* ------------------------------------------------------------------- */
default:
break;
}
if(ret == 0)
return(0);
sc->sc_isac_version = 0;
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch(sc->sc_isac_version)
{
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
break;
default:
printf(ISIC_FMT "Error, ISAC version %d unknown!\n",
ISIC_PARM, sc->sc_isac_version);
return(0);
break;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch(sc->sc_hscx_version)
{
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
break;
default:
printf(ISIC_FMT "Error, HSCX version %d unknown!\n",
ISIC_PARM, sc->sc_hscx_version);
return(0);
break;
};
/* ISAC setup */
isic_isac_init(sc);
/* HSCX setup */
isic_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
/* setup linktab */
isic_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
#if defined(__FreeBSD__) && __FreeBSD__ >=3
callout_handle_init(&sc->sc_T3_callout);
callout_handle_init(&sc->sc_T4_callout);
#endif
/* init higher protocol layers */
MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp);
/* announce manufacturer and card type */
switch(FLAGS)
{
case FLAG_TELES_S0_8:
drvid = "Teles S0/8 or Niccy 1008";
break;
case FLAG_TELES_S0_16:
drvid = "Teles S0/16, Creatix ISDN S0-16 or Niccy 1016";
break;
case FLAG_TELES_S0_163:
drvid = "Teles S0/16.3";
break;
case FLAG_AVM_A1:
drvid = "AVM A1 or AVM Fritz!Card";
break;
case FLAG_AVM_A1_PCMCIA:
drvid = "AVM PCMCIA Fritz!Card";
break;
case FLAG_TELES_S0_163_PnP:
drvid = "Teles S0/PnP";
break;
case FLAG_CREATIX_S0_PnP:
drvid = "Creatix ISDN S0-16 P&P";
break;
case FLAG_USR_ISDN_TA_INT:
drvid = "USRobotics Sportster ISDN TA intern";
break;
case FLAG_DRN_NGO:
drvid = "Dr. Neuhaus NICCY Go@";
break;
case FLAG_DYNALINK:
drvid = "Dynalink IS64PH";
break;
case FLAG_SWS:
drvid = "Sedlbauer WinSpeed";
break;
case FLAG_BLMASTER:
/* board announcement was done by caller */
drvid = (char *)0;
break;
case FLAG_ELSA_QS1P_ISA:
drvid = "ELSA QuickStep 1000pro (ISA)";
break;
case FLAG_ITK_IX1:
drvid = "ITK ix1 micro";
break;
default:
drvid = "ERROR, unknown flag used";
break;
}
#ifndef __FreeBSD__
printf("\n");
#endif
if (drvid)
printf(ISIC_FMT "%s\n", ISIC_PARM, drvid);
/* announce chip versions */
if(sc->sc_isac_version >= ISAC_UNKN)
{
printf(ISIC_FMT "ISAC Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_isac_version);
sc->sc_isac_version = ISAC_UNKN;
}
else
{
printf(ISIC_FMT "ISAC %s (IOM-%c)" TERMFMT,
ISIC_PARM,
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
}
#ifdef __FreeBSD__
printf("(Addr=0x%lx)\n", (u_long)ISAC_BASE);
#endif
if(sc->sc_hscx_version >= HSCX_UNKN)
{
printf(ISIC_FMT "HSCX Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_hscx_version);
sc->sc_hscx_version = HSCX_UNKN;
}
else
{
printf(ISIC_FMT "HSCX %s" TERMFMT,
ISIC_PARM,
HSCXversion[sc->sc_hscx_version]);
}
#ifdef __FreeBSD__
printf("(AddrA=0x%lx, AddrB=0x%lx)\n", (u_long)HSCX_A_BASE, (u_long)HSCX_B_BASE);
next_isic_unit++;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300003
/* set the interrupt handler - no need to change isa_device.h */
dev->id_intr = (inthand2_t *)isicintr;
#endif
#endif /* __FreeBSD__ */
return(1);
#undef PARM
#undef FLAGS
}
/*---------------------------------------------------------------------------*
* isic - device driver interrupt routine
*---------------------------------------------------------------------------*/
void
isicintr(struct l1_softc *sc)
{
if(sc->sc_ipac == 0) /* HSCX/ISAC interupt routine */
{
u_char was_hscx_irq = 0;
u_char was_isac_irq = 0;
register u_char hscx_irq_stat;
register u_char isac_irq_stat;
for(;;)
{
/* get hscx irq status from hscx b ista */
hscx_irq_stat =
HSCX_READ(HSCX_CH_B, H_ISTA) & ~HSCX_B_IMASK;
/* get isac irq status */
isac_irq_stat = ISAC_READ(I_ISTA);
/* do as long as there are pending irqs in the chips */
if(!hscx_irq_stat && !isac_irq_stat)
break;
if(hscx_irq_stat & (HSCX_ISTA_RME | HSCX_ISTA_RPF |
HSCX_ISTA_RSC | HSCX_ISTA_XPR |
HSCX_ISTA_TIN | HSCX_ISTA_EXB))
{
isic_hscx_irq(sc, hscx_irq_stat,
HSCX_CH_B,
hscx_irq_stat & HSCX_ISTA_EXB);
was_hscx_irq = 1;
}
if(hscx_irq_stat & (HSCX_ISTA_ICA | HSCX_ISTA_EXA))
{
isic_hscx_irq(sc,
HSCX_READ(HSCX_CH_A, H_ISTA) & ~HSCX_A_IMASK,
HSCX_CH_A,
hscx_irq_stat & HSCX_ISTA_EXA);
was_hscx_irq = 1;
}
if(isac_irq_stat)
{
isic_isac_irq(sc, isac_irq_stat); /* isac handler */
was_isac_irq = 1;
}
}
HSCX_WRITE(0, H_MASK, 0xff);
ISAC_WRITE(I_MASK, 0xff);
HSCX_WRITE(1, H_MASK, 0xff);
#ifdef ELSA_QS1ISA
DELAY(80);
if((sc->sc_cardtyp == CARD_TYPEP_ELSAQS1ISA) && (sc->clearirq))
{
sc->clearirq(sc);
}
#else
DELAY(100);
#endif
HSCX_WRITE(0, H_MASK, HSCX_A_IMASK);
ISAC_WRITE(I_MASK, ISAC_IMASK);
HSCX_WRITE(1, H_MASK, HSCX_B_IMASK);
}
else /* IPAC interrupt routine */
{
register u_char ipac_irq_stat;
register u_char was_ipac_irq = 0;
for(;;)
{
/* get global irq status */
ipac_irq_stat = (IPAC_READ(IPAC_ISTA)) & 0x3f;
/* check hscx a */
if(ipac_irq_stat & (IPAC_ISTA_ICA | IPAC_ISTA_EXA))
{
/* HSCX A interrupt */
isic_hscx_irq(sc, HSCX_READ(HSCX_CH_A, H_ISTA),
HSCX_CH_A,
ipac_irq_stat & IPAC_ISTA_EXA);
was_ipac_irq = 1;
}
if(ipac_irq_stat & (IPAC_ISTA_ICB | IPAC_ISTA_EXB))
{
/* HSCX B interrupt */
isic_hscx_irq(sc, HSCX_READ(HSCX_CH_B, H_ISTA),
HSCX_CH_B,
ipac_irq_stat & IPAC_ISTA_EXB);
was_ipac_irq = 1;
}
if(ipac_irq_stat & IPAC_ISTA_ICD)
{
/* ISAC interrupt */
isic_isac_irq(sc, ISAC_READ(I_ISTA));
was_ipac_irq = 1;
}
if(ipac_irq_stat & IPAC_ISTA_EXD)
{
/* force ISAC interrupt handling */
isic_isac_irq(sc, ISAC_ISTA_EXI);
was_ipac_irq = 1;
}
/* do as long as there are pending irqs in the chip */
if(!ipac_irq_stat)
break;
}
IPAC_WRITE(IPAC_MASK, 0xff);
DELAY(50);
IPAC_WRITE(IPAC_MASK, 0xc0);
}
}
/*---------------------------------------------------------------------------*
* isic_attach_common - common attach routine for all busses
*---------------------------------------------------------------------------*/
int
isic_attach_common(device_t dev)
{
char *drvid = NULL;
int unit = device_get_unit(dev);
struct l1_softc *sc = &l1_sc[unit];
sc->sc_unit = unit;
sc->sc_isac_version = 0;
sc->sc_hscx_version = 0;
if(sc->sc_ipac)
{
sc->sc_ipac_version = IPAC_READ(IPAC_ID);
switch(sc->sc_ipac_version)
{
case IPAC_V11:
case IPAC_V12:
break;
default:
printf("isic%d: Error, IPAC version %d unknown!\n",
unit, sc->sc_ipac_version);
return(0);
break;
}
}
else
{
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch(sc->sc_isac_version)
{
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
break;
default:
printf("isic%d: Error, ISAC version %d unknown!\n",
unit, sc->sc_isac_version);
return ENXIO;
break;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch(sc->sc_hscx_version)
{
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
break;
default:
printf("isic%d: Error, HSCX version %d unknown!\n",
unit, sc->sc_hscx_version);
return ENXIO;
break;
}
}
isic_isac_init(sc); /* ISAC setup */
/* HSCX setup */
isic_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
isic_init_linktab(sc); /* setup linktab */
sc->sc_trace = TRACE_OFF; /* set trace level */
sc->sc_state = ISAC_IDLE; /* set state */
sc->sc_ibuf = NULL; /* input buffering */
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL; /* output buffering */
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL; /* second output buffer */
sc->sc_freeflag2 = 0;
/* timer setup */
callout_handle_init(&sc->sc_T3_callout);
callout_handle_init(&sc->sc_T4_callout);
/* init higher protocol layers */
i4b_l1_mph_status_ind(L0ISICUNIT(sc->sc_unit), STI_ATTACH, sc->sc_cardtyp, &isic_l1mux_func);
/* announce manufacturer and card type for ISA cards */
switch(sc->sc_cardtyp)
{
case CARD_TYPEP_8:
drvid = "Teles S0/8 (or compatible)";
break;
case CARD_TYPEP_16:
drvid = "Teles S0/16 (or compatible)";
break;
case CARD_TYPEP_16_3:
drvid = "Teles S0/16.3";
break;
case CARD_TYPEP_AVMA1:
drvid = "AVM A1 or Fritz!Card Classic";
break;
case CARD_TYPEP_PCFRITZ:
drvid = "AVM Fritz!Card PCMCIA";
break;
case CARD_TYPEP_USRTA:
drvid = "USRobotics Sportster ISDN TA intern";
break;
case CARD_TYPEP_ITKIX1:
drvid = "ITK ix1 micro";
break;
case CARD_TYPEP_PCC16:
drvid = "ELSA MicroLink ISDN/PCC-16";
break;
default:
drvid = NULL; /* pnp/pci cards announce themselves */
break;
}
if(drvid)
printf("isic%d: %s\n", unit, drvid);
if(bootverbose)
{
/* announce chip versions */
if(sc->sc_ipac)
{
if(sc->sc_ipac_version == IPAC_V11)
printf("isic%d: IPAC PSB2115 Version 1.1\n", unit);
else
printf("isic%d: IPAC PSB2115 Version 1.2\n", unit);
}
else
{
printf("isic%d: ISAC %s (IOM-%c)\n",
unit,
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
printf("isic%d: HSCX %s\n",
unit,
HSCXversion[sc->sc_hscx_version]);
}
}
return 0;
}
/*---------------------------------------------------------------------------*
* ISAC interrupt service routine
*---------------------------------------------------------------------------*/
void
ifpnp_isac_irq(struct l1_softc *sc, int ista)
{
u_char c = 0;
NDBGL1(L1_F_MSG, "unit %d: ista = 0x%02x", sc->sc_unit, ista);
if(ista & ISAC_ISTA_EXI) /* extended interrupt */
{
c |= ifpnp_isac_exir_hdlr(sc, ISAC_READ(I_EXIR));
}
if(ista & ISAC_ISTA_RME) /* receive message end */
{
int rest;
u_char rsta;
/* get rx status register */
rsta = ISAC_READ(I_RSTA);
if((rsta & ISAC_RSTA_MASK) != 0x20)
{
int error = 0;
if(!(rsta & ISAC_RSTA_CRC)) /* CRC error */
{
error++;
NDBGL1(L1_I_ERR, "unit %d: CRC error", sc->sc_unit);
}
if(rsta & ISAC_RSTA_RDO) /* ReceiveDataOverflow */
{
error++;
NDBGL1(L1_I_ERR, "unit %d: Data Overrun error", sc->sc_unit);
}
if(rsta & ISAC_RSTA_RAB) /* ReceiveABorted */
{
error++;
NDBGL1(L1_I_ERR, "unit %d: Receive Aborted error", sc->sc_unit);
}
if(error == 0)
NDBGL1(L1_I_ERR, "unit %d: RME unknown error, RSTA = 0x%02x!", sc->sc_unit, rsta);
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
ISAC_WRITE(I_CMDR, ISAC_CMDR_RMC|ISAC_CMDR_RRES);
ISACCMDRWRDELAY();
return;
}
rest = (ISAC_READ(I_RBCL) & (ISAC_FIFO_LEN-1));
if(rest == 0)
rest = ISAC_FIFO_LEN;
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(rest)) != NULL)
sc->sc_ib = sc->sc_ibuf->m_data;
else
panic("ifpnp_isac_irq: RME, i4b_Dgetmbuf returns NULL!\n");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - rest))
{
ISAC_RDFIFO(sc->sc_ib, rest);
sc->sc_ilen += rest;
sc->sc_ibuf->m_pkthdr.len =
sc->sc_ibuf->m_len = sc->sc_ilen;
if(sc->sc_trace & TRACE_D_RX)
{
i4b_trace_hdr_t hdr;
hdr.unit = L0IFPNPUNIT(sc->sc_unit);
hdr.type = TRC_CH_D;
hdr.dir = FROM_NT;
hdr.count = ++sc->sc_trace_dcount;
MICROTIME(hdr.time);
i4b_l1_trace_ind(&hdr, sc->sc_ibuf->m_len, sc->sc_ibuf->m_data);
}
c |= ISAC_CMDR_RMC;
if(sc->sc_enabled &&
(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S))
{
i4b_l1_ph_data_ind(L0IFPNPUNIT(sc->sc_unit), sc->sc_ibuf);
}
else
{
i4b_Dfreembuf(sc->sc_ibuf);
}
}
else
{
NDBGL1(L1_I_ERR, "RME, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
}
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
}
if(ista & ISAC_ISTA_RPF) /* receive fifo full */
{
if(sc->sc_ibuf == NULL)
{
if((sc->sc_ibuf = i4b_Dgetmbuf(MAX_DFRAME_LEN)) != NULL)
sc->sc_ib= sc->sc_ibuf->m_data;
else
panic("ifpnp_isac_irq: RPF, i4b_Dgetmbuf returns NULL!\n");
sc->sc_ilen = 0;
}
if(sc->sc_ilen <= (MAX_DFRAME_LEN - ISAC_FIFO_LEN))
{
ISAC_RDFIFO(sc->sc_ib, ISAC_FIFO_LEN);
sc->sc_ilen += ISAC_FIFO_LEN;
sc->sc_ib += ISAC_FIFO_LEN;
c |= ISAC_CMDR_RMC;
}
else
{
NDBGL1(L1_I_ERR, "RPF, input buffer overflow!");
i4b_Dfreembuf(sc->sc_ibuf);
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES;
}
}
if(ista & ISAC_ISTA_XPR) /* transmit fifo empty (XPR bit set) */
{
if((sc->sc_obuf2 != NULL) && (sc->sc_obuf == NULL))
{
sc->sc_freeflag = sc->sc_freeflag2;
sc->sc_obuf = sc->sc_obuf2;
sc->sc_op = sc->sc_obuf->m_data;
sc->sc_ol = sc->sc_obuf->m_len;
sc->sc_obuf2 = NULL;
#ifdef NOTDEF
kprintf("ob2=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
else
{
#ifdef NOTDEF
kprintf("ob=%x, op=%x, ol=%d, f=%d #",
sc->sc_obuf,
sc->sc_op,
sc->sc_ol,
sc->sc_state);
#endif
}
if(sc->sc_obuf)
{
ISAC_WRFIFO(sc->sc_op, min(sc->sc_ol, ISAC_FIFO_LEN));
if(sc->sc_ol > ISAC_FIFO_LEN) /* length > 32 ? */
{
sc->sc_op += ISAC_FIFO_LEN; /* bufferptr+32 */
sc->sc_ol -= ISAC_FIFO_LEN; /* length - 32 */
c |= ISAC_CMDR_XTF; /* set XTF bit */
}
else
{
if(sc->sc_freeflag)
{
i4b_Dfreembuf(sc->sc_obuf);
sc->sc_freeflag = 0;
}
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
c |= ISAC_CMDR_XTF | ISAC_CMDR_XME;
}
}
else
{
sc->sc_state &= ~ISAC_TX_ACTIVE;
}
}
if(ista & ISAC_ISTA_CISQ) /* channel status change CISQ */
{
u_char ci;
/* get command/indication rx register*/
ci = ISAC_READ(I_CIRR);
/* if S/Q IRQ, read SQC reg to clr SQC IRQ */
if(ci & ISAC_CIRR_SQC)
ISAC_READ(I_SQRR);
/* C/I code change IRQ (flag already cleared by CIRR read) */
if(ci & ISAC_CIRR_CIC0)
ifpnp_isac_ind_hdlr(sc, (ci >> 2) & 0xf);
}
static void
isic_isapnp_attach(device_t parent, device_t self, void *aux)
{
static const char *ISACversion[] = {
"2085 Version A1/A2 or 2086/2186 Version 1.1",
"2085 Version B1",
"2085 Version B2",
"2085 Version V2.3 (B3)",
"Unknown Version"
};
static const char *HSCXversion[] = {
"82525 Version A1",
"Unknown (0x01)",
"82525 Version A2",
"Unknown (0x03)",
"82525 Version A3",
"82525 or 21525 Version 2.1",
"Unknown Version"
};
struct isic_softc *sc = device_private(self);
struct isapnp_attach_args *ipa = aux;
const struct isic_isapnp_card_desc *desc = isic_isapnp_descriptions;
int i;
sc->sc_dev = self;
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
aprint_error_dev(sc->sc_dev, "error in region allocation\n");
return;
}
for (i = 0; i < NUM_DESCRIPTIONS; i++, desc++)
if (strcmp(ipa->ipa_devlogic, desc->devlogic) == 0)
break;
if (i >= NUM_DESCRIPTIONS)
panic("could not identify isic PnP device");
/* setup parameters */
sc->sc_cardtyp = desc->card_type;
sc->sc_irq = ipa->ipa_irq[0].num;
desc->allocmaps(ipa, sc);
/* announce card name */
printf(": %s\n", desc->name);
/* establish interrupt handler */
if (isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
ipa->ipa_irq[0].type, IPL_NET, isicintr, sc) == NULL)
aprint_error_dev(sc->sc_dev,
"couldn't establish interrupt handler\n");
/* init card */
desc->attach(sc);
/* announce chip versions */
sc->sc_isac_version = 0;
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch (sc->sc_isac_version) {
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
break;
default:
aprint_error(ISIC_FMT
"Error, ISAC version %d unknown!\n",
ISIC_PARM, sc->sc_isac_version);
return;
break;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch (sc->sc_hscx_version) {
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
break;
default:
aprint_error(ISIC_FMT
"Error, HSCX version %d unknown!\n",
ISIC_PARM, sc->sc_hscx_version);
return;
break;
};
sc->sc_intr_valid = ISIC_INTR_DISABLED;
/* HSCX setup */
isic_bchannel_setup(sc, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc, HSCX_CH_B, BPROT_NONE, 0);
/* setup linktab */
isic_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
callout_init(&sc->sc_T3_callout, 0);
callout_init(&sc->sc_T4_callout, 0);
#endif
/* announce chip versions */
if (sc->sc_isac_version >= ISAC_UNKN) {
aprint_error(ISIC_FMT
"ISAC Version UNKNOWN (VN=0x%x)" TERMFMT, ISIC_PARM,
sc->sc_isac_version);
sc->sc_isac_version = ISAC_UNKN;
} else {
aprint_error(ISIC_FMT "ISAC %s (IOM-%c)" TERMFMT, ISIC_PARM,
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
}
if (sc->sc_hscx_version >= HSCX_UNKN) {
aprint_error(ISIC_FMT "HSCX Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM, sc->sc_hscx_version);
sc->sc_hscx_version = HSCX_UNKN;
} else {
aprint_error(ISIC_FMT "HSCX %s" TERMFMT, ISIC_PARM,
HSCXversion[sc->sc_hscx_version]);
}
/* init higher protocol layers and save l2 handle */
isic_attach_bri(sc, desc->name, &isic_std_driver);
}
/*---------------------------------------------------------------------------*
* isic - device driver interrupt routine
*---------------------------------------------------------------------------*/
int
isicintr(void *arg)
{
struct isic_softc *sc = arg;
/* could this be an interrupt for us? */
if (sc->sc_intr_valid == ISIC_INTR_DYING)
return 0; /* do not touch removed hardware */
if(sc->sc_ipac == 0) /* HSCX/ISAC interupt routine */
{
u_char was_hscx_irq = 0;
u_char was_isac_irq = 0;
register u_char hscx_irq_stat;
register u_char isac_irq_stat;
for(;;)
{
/* get hscx irq status from hscx b ista */
hscx_irq_stat =
HSCX_READ(HSCX_CH_B, H_ISTA) & ~HSCX_B_IMASK;
/* get isac irq status */
isac_irq_stat = ISAC_READ(I_ISTA);
/* do as long as there are pending irqs in the chips */
if(!hscx_irq_stat && !isac_irq_stat)
break;
if(hscx_irq_stat & (HSCX_ISTA_RME | HSCX_ISTA_RPF |
HSCX_ISTA_RSC | HSCX_ISTA_XPR |
HSCX_ISTA_TIN | HSCX_ISTA_EXB))
{
isic_hscx_irq(sc, hscx_irq_stat,
HSCX_CH_B,
hscx_irq_stat & HSCX_ISTA_EXB);
was_hscx_irq = 1;
}
if(hscx_irq_stat & (HSCX_ISTA_ICA | HSCX_ISTA_EXA))
{
isic_hscx_irq(sc,
HSCX_READ(HSCX_CH_A, H_ISTA) & ~HSCX_A_IMASK,
HSCX_CH_A,
hscx_irq_stat & HSCX_ISTA_EXA);
was_hscx_irq = 1;
}
if(isac_irq_stat)
{
/* isac handler */
isic_isac_irq(sc, isac_irq_stat);
was_isac_irq = 1;
}
}
HSCX_WRITE(0, H_MASK, 0xff);
ISAC_WRITE(I_MASK, 0xff);
HSCX_WRITE(1, H_MASK, 0xff);
if (sc->clearirq)
{
DELAY(80);
sc->clearirq(sc);
} else
DELAY(100);
HSCX_WRITE(0, H_MASK, HSCX_A_IMASK);
ISAC_WRITE(I_MASK, ISAC_IMASK);
HSCX_WRITE(1, H_MASK, HSCX_B_IMASK);
return(was_hscx_irq || was_isac_irq);
}
else /* IPAC interrupt routine */
{
register u_char ipac_irq_stat;
register u_char was_ipac_irq = 0;
for(;;)
{
/* get global irq status */
ipac_irq_stat = (IPAC_READ(IPAC_ISTA)) & 0x3f;
/* check hscx a */
if(ipac_irq_stat & (IPAC_ISTA_ICA | IPAC_ISTA_EXA))
{
/* HSCX A interrupt */
isic_hscx_irq(sc, HSCX_READ(HSCX_CH_A, H_ISTA),
HSCX_CH_A,
ipac_irq_stat & IPAC_ISTA_EXA);
was_ipac_irq = 1;
}
if(ipac_irq_stat & (IPAC_ISTA_ICB | IPAC_ISTA_EXB))
{
/* HSCX B interrupt */
isic_hscx_irq(sc, HSCX_READ(HSCX_CH_B, H_ISTA),
HSCX_CH_B,
ipac_irq_stat & IPAC_ISTA_EXB);
was_ipac_irq = 1;
}
if(ipac_irq_stat & IPAC_ISTA_ICD)
{
/* ISAC interrupt, Obey ISAC-IPAC differences */
u_int8_t isac_ista = ISAC_READ(I_ISTA);
if (isac_ista & 0xfe)
isic_isac_irq(sc, isac_ista & 0xfe);
if (isac_ista & 0x01) /* unexpected */
printf("%s: unexpected ipac timer2 irq\n",
sc->sc_dev.dv_xname);
was_ipac_irq = 1;
}
if(ipac_irq_stat & IPAC_ISTA_EXD)
{
/* ISAC EXI interrupt */
isic_isac_irq(sc, ISAC_ISTA_EXI);
was_ipac_irq = 1;
}
/* do as long as there are pending irqs in the chip */
if(!ipac_irq_stat)
break;
}
#if 0
/*
* This seems not to be necessary on IPACs - no idea why
* it is here - but due to limit range of test cards, leave
* it in for now, in case we have to resurrect it.
*/
IPAC_WRITE(IPAC_MASK, 0xff);
DELAY(50);
IPAC_WRITE(IPAC_MASK, 0xc0);
#endif
return(was_ipac_irq);
}
}