/* $Id: w6692.c,v 1.12.6.6 2001/09/23 22:24:52 kai Exp $
*
* Winbond W6692 specific routines
*
* Author Petr Novak
* Copyright by Petr Novak <petr.novak@i.cz>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include <linux/config.h>
#include <linux/init.h>
#include "hisax.h"
#include "w6692.h"
#include "isdnl1.h"
#include <linux/interrupt.h>
#include <linux/pci.h>
/* table entry in the PCI devices list */
typedef struct {
int vendor_id;
int device_id;
char *vendor_name;
char *card_name;
} PCI_ENTRY;
static const PCI_ENTRY id_list[] =
{
{PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, "Winbond", "W6692"},
{PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, "Dynalink/AsusCom", "IS64PH"},
{0, 0, "U.S.Robotics", "ISDN PCI Card TA"}
};
#define W6692_SV_USR 0x16ec
#define W6692_SD_USR 0x3409
#define W6692_WINBOND 0
#define W6692_DYNALINK 1
#define W6692_USR 2
extern const char *CardType[];
const char *w6692_revision = "$Revision: 1.12.6.6 $";
#define DBUSY_TIMER_VALUE 80
static inline u8
w6692_read_reg(struct IsdnCardState *cs, u8 offset)
{
return (inb(cs->hw.w6692.iobase + offset));
}
static inline void
w6692_write_reg(struct IsdnCardState *cs, u8 offset, u8 value)
{
outb(value, cs->hw.w6692.iobase + offset);
}
static void
w6692_read_fifo(struct IsdnCardState *cs, u8 * data, int size)
{
insb(cs->hw.w6692.iobase + W_D_RFIFO, data, size);
}
static inline void
w6692_write_fifo(struct IsdnCardState *cs, u8 * data, int size)
{
outsb(cs->hw.w6692.iobase + W_D_XFIFO, data, size);
}
static struct dc_hw_ops w6692_dc_hw_ops = {
.read_fifo = w6692_read_fifo,
};
static inline u8
w6692_bc_read_reg(struct IsdnCardState *cs, int bchan, u8 offset)
{
return (inb(cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset));
}
static inline void
w6692_bc_write_reg(struct IsdnCardState *cs, int bchan, u8 offset, u8 value)
{
outb(value, cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset);
}
static void
w6692_bc_read_fifo(struct IsdnCardState *cs, int bchan, u8 *data, int len)
{
insb(cs->hw.w6692.iobase + W_B_RFIFO + (bchan ? 0x40:0), data, len);
}
static struct bc_hw_ops w6692_bc_hw_ops = {
.read_fifo = w6692_bc_read_fifo,
};
static char *W6692Ver[] __initdata =
{"W6692 V00", "W6692 V01", "W6692 V10",
"W6692 V11"};
static void
W6692Version(struct IsdnCardState *cs, char *s)
{
int val;
val = w6692_read_reg(cs, W_D_RBCH);
printk(KERN_INFO "%s Winbond W6692 version (%x): %s\n", s, val, W6692Ver[(val >> 6) & 3]);
}
static void
ph_command(struct IsdnCardState *cs, unsigned int command)
{
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ph_command %x", command);
w6692_write_reg(cs, W_CIX, command);
}
static void
W6692_new_ph(struct IsdnCardState *cs)
{
switch (cs->dc.w6692.ph_state) {
case (W_L1CMD_RST):
ph_command(cs, W_L1CMD_DRC);
l1_msg(cs, HW_RESET | INDICATION, NULL);
/* fallthru */
case (W_L1IND_CD):
l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL);
break;
case (W_L1IND_DRD):
l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
break;
case (W_L1IND_CE):
l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
break;
case (W_L1IND_LD):
l1_msg(cs, HW_RSYNC | INDICATION, NULL);
break;
case (W_L1IND_ARD):
l1_msg(cs, HW_INFO2 | INDICATION, NULL);
break;
case (W_L1IND_AI8):
l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
break;
case (W_L1IND_AI10):
l1_msg(cs, HW_INFO4_P10 | INDICATION, NULL);
break;
default:
break;
}
}
static void
W6692_bh(void *data)
{
struct IsdnCardState *cs = data;
struct PStack *stptr;
if (!cs)
return;
if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) {
if (cs->debug)
debugl1(cs, "D-Channel Busy cleared");
stptr = cs->stlist;
while (stptr != NULL) {
L1L2(stptr, PH_PAUSE | CONFIRM, NULL);
stptr = stptr->next;
}
}
if (test_and_clear_bit(D_L1STATECHANGE, &cs->event))
W6692_new_ph(cs);
if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
DChannel_proc_rcv(cs);
if (test_and_clear_bit(D_XMTBUFREADY, &cs->event))
DChannel_proc_xmt(cs);
/*
if (test_and_clear_bit(D_RX_MON1, &cs->event))
arcofi_fsm(cs, ARCOFI_RX_END, NULL);
if (test_and_clear_bit(D_TX_MON1, &cs->event))
arcofi_fsm(cs, ARCOFI_TX_END, NULL);
*/
}
static void
W6692_empty_fifo(struct IsdnCardState *cs, int count)
{
recv_empty_fifo_d(cs, count);
w6692_write_reg(cs, W_D_CMDR, W_D_CMDR_RACK);
}
static void
W6692_fill_fifo(struct IsdnCardState *cs)
{
int count, more;
unsigned char *p;
p = xmit_fill_fifo_d(cs, W_D_FIFO_THRESH, &count, &more);
if (!p)
return;
w6692_write_fifo(cs, p, count);
w6692_write_reg(cs, W_D_CMDR, more ? W_D_CMDR_XMS : (W_D_CMDR_XMS | W_D_CMDR_XME));
if (test_and_set_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
debugl1(cs, "W6692_fill_fifo dbusytimer running");
del_timer(&cs->dbusytimer);
}
init_timer(&cs->dbusytimer);
cs->dbusytimer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ) / 1000);
add_timer(&cs->dbusytimer);
}
static void
W6692B_empty_fifo(struct BCState *bcs, int count)
{
recv_empty_fifo_b(bcs, count);
w6692_bc_write_reg(bcs->cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
}
static void
W6692B_fill_fifo(struct BCState *bcs)
{
struct IsdnCardState *cs = bcs->cs;
int more, count;
unsigned char *p;
p = xmit_fill_fifo_b(bcs, W_B_FIFO_THRESH, &count, &more);
if (!p)
return;
WRITEW6692BFIFO(cs, bcs->channel, p, count);
w6692_bc_write_reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACT | W_B_CMDR_XMS | (more ? 0 : W_B_CMDR_XME));
}
static void
reset_xmit(struct BCState *bcs)
{
w6692_bc_write_reg(bcs->cs, bcs->channel, W_B_CMDR,
W_B_CMDR_XRST | W_B_CMDR_RACT);
}
static void
W6692B_interrupt(struct IsdnCardState *cs, u8 bchan)
{
u8 val;
u8 r;
struct BCState *bcs;
int count;
bcs = (cs->bcs->channel == bchan) ? cs->bcs : (cs->bcs+1);
val = w6692_bc_read_reg(cs, bchan, W_B_EXIR);
debugl1(cs, "W6692B chan %d B_EXIR 0x%02X", bchan, val);
if (!test_bit(BC_FLG_INIT, &bcs->Flag)) {
debugl1(cs, "W6692B not INIT yet");
return;
}
if (val & W_B_EXI_RME) { /* RME */
r = w6692_bc_read_reg(cs, bchan, W_B_STAR);
if (r & (W_B_STAR_RDOV | W_B_STAR_CRCE | W_B_STAR_RMB | W_B_STAR_XDOW)) {
if ((r & W_B_STAR_RDOV) && bcs->mode)
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 B RDOV mode=%d",
bcs->mode);
if (r & W_B_STAR_CRCE)
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 B CRC error");
w6692_bc_write_reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
bcs->rcvidx = 0;
} else {
count = w6692_bc_read_reg(cs, bchan, W_B_RBCL) & (W_B_FIFO_THRESH - 1);
if (count == 0)
count = W_B_FIFO_THRESH;
W6692B_empty_fifo(bcs, count);
recv_rme_b(bcs);
}
}
if (val & W_B_EXI_RMR) { /* RMR */
W6692B_empty_fifo(bcs, W_B_FIFO_THRESH);
recv_rpf_b(bcs);
}
if (val & W_B_EXI_XFR) { /* XFR */
xmit_xpr_b(bcs);
}
if (val & W_B_EXI_XDUN) { /* XDUN */
xmit_xdu_b(bcs, reset_xmit);
}
}
static irqreturn_t
w6692_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u8 val, exval, v1;
unsigned int count;
int icnt = 5;
spin_lock(&cs->lock);
val = w6692_read_reg(cs, W_ISTA);
StartW6692:
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "W6692 ISTA %x", val);
if (val & W_INT_D_RME) { /* RME */
exval = w6692_read_reg(cs, W_D_RSTA);
if (exval & (W_D_RSTA_RDOV | W_D_RSTA_CRCE | W_D_RSTA_RMB)) {
if (exval & W_D_RSTA_RDOV)
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 RDOV");
if (exval & W_D_RSTA_CRCE)
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 D-channel CRC error");
if (exval & W_D_RSTA_RMB)
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 D-channel ABORT");
w6692_write_reg(cs, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST);
cs->rcvidx = 0;
} else {
count = w6692_read_reg(cs, W_D_RBCL) & (W_D_FIFO_THRESH - 1);
if (count == 0)
count = W_D_FIFO_THRESH;
W6692_empty_fifo(cs, count);
recv_rme_d(cs);
}
}
if (val & W_INT_D_RMR) { /* RMR */
W6692_empty_fifo(cs, W_D_FIFO_THRESH);
}
if (val & W_INT_D_XFR) { /* XFR */
xmit_xpr_d(cs);
}
if (val & (W_INT_XINT0 | W_INT_XINT1)) { /* XINT0/1 - never */
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "W6692 spurious XINT!");
}
if (val & W_INT_D_EXI) { /* EXI */
exval = w6692_read_reg(cs, W_D_EXIR);
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692 D_EXIR %02x", exval);
if (exval & (W_D_EXI_XDUN | W_D_EXI_XCOL)) { /* Transmit underrun/collision */
xmit_xdu_d(cs, NULL);
}
if (exval & W_D_EXI_RDOV) { /* RDOV */
debugl1(cs, "W6692 D-channel RDOV");
printk(KERN_WARNING "HiSax: W6692 D-RDOV\n");
w6692_write_reg(cs, W_D_CMDR, W_D_CMDR_RRST);
}
if (exval & W_D_EXI_TIN2) { /* TIN2 - never */
debugl1(cs, "W6692 spurious TIN2 interrupt");
}
if (exval & W_D_EXI_MOC) { /* MOC - not supported */
debugl1(cs, "W6692 spurious MOC interrupt");
v1 = w6692_read_reg(cs, W_MOSR);
debugl1(cs, "W6692 MOSR %02x", v1);
}
if (exval & W_D_EXI_ISC) { /* ISC - Level1 change */
v1 = w6692_read_reg(cs, W_CIR);
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "W6692 ISC CIR=0x%02X", v1);
if (v1 & W_CIR_ICC) {
cs->dc.w6692.ph_state = v1 & W_CIR_COD_MASK;
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ph_state_change %x", cs->dc.w6692.ph_state);
sched_d_event(cs, D_L1STATECHANGE);
}
if (v1 & W_CIR_SCC) {
v1 = w6692_read_reg(cs, W_SQR);
debugl1(cs, "W6692 SCC SQR=0x%02X", v1);
}
}
if (exval & W_D_EXI_WEXP) {
debugl1(cs, "W6692 spurious WEXP interrupt!");
}
if (exval & W_D_EXI_TEXP) {
debugl1(cs, "W6692 spurious TEXP interrupt!");
}
}
if (val & W_INT_B1_EXI) {
debugl1(cs, "W6692 B channel 1 interrupt");
W6692B_interrupt(cs, 0);
}
if (val & W_INT_B2_EXI) {
debugl1(cs, "W6692 B channel 2 interrupt");
W6692B_interrupt(cs, 1);
}
val = w6692_read_reg(cs, W_ISTA);
if (val && icnt) {
icnt--;
goto StartW6692;
}
if (!icnt) {
printk(KERN_WARNING "W6692 IRQ LOOP\n");
w6692_write_reg(cs, W_IMASK, 0xff);
}
spin_unlock(&cs->lock);
return IRQ_HANDLED;
}
static void
W6692_l1hw(struct PStack *st, int pr, void *arg)
{
struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
struct sk_buff *skb = arg;
int val;
switch (pr) {
case (PH_DATA | REQUEST):
xmit_data_req_d(cs, skb);
break;
case (PH_PULL |INDICATION):
xmit_pull_ind_d(cs, skb);
break;
case (PH_PULL | REQUEST):
xmit_pull_req_d(st);
break;
case (HW_RESET | REQUEST):
if ((cs->dc.w6692.ph_state == W_L1IND_DRD))
ph_command(cs, W_L1CMD_ECK);
else {
ph_command(cs, W_L1CMD_RST);
cs->dc.w6692.ph_state = W_L1CMD_RST;
W6692_new_ph(cs);
}
break;
case (HW_ENABLE | REQUEST):
ph_command(cs, W_L1CMD_ECK);
break;
case (HW_INFO3 | REQUEST):
ph_command(cs, W_L1CMD_AR8);
break;
case (HW_TESTLOOP | REQUEST):
val = 0;
if (1 & (long) arg)
val |= 0x0c;
if (2 & (long) arg)
val |= 0x3;
/* !!! not implemented yet */
break;
case (HW_DEACTIVATE | RESPONSE):
skb_queue_purge(&cs->rq);
skb_queue_purge(&cs->sq);
if (cs->tx_skb) {
dev_kfree_skb_any(cs->tx_skb);
cs->tx_skb = NULL;
}
if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
del_timer(&cs->dbusytimer);
if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
sched_d_event(cs, D_CLEARBUSY);
break;
default:
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "W6692_l1hw unknown %04x", pr);
break;
}
}
static int
setstack_W6692(struct PStack *st, struct IsdnCardState *cs)
{
st->l1.l1hw = W6692_l1hw;
return 0;
}
static void
dbusy_timer_handler(struct IsdnCardState *cs)
{
struct PStack *stptr;
int rbch, star;
if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
rbch = w6692_read_reg(cs, W_D_RBCH);
star = w6692_read_reg(cs, W_D_STAR);
if (cs->debug)
debugl1(cs, "D-Channel Busy D_RBCH %02x D_STAR %02x",
rbch, star);
if (star & W_D_STAR_XBZ) { /* D-Channel Busy */
test_and_set_bit(FLG_L1_DBUSY, &cs->HW_Flags);
stptr = cs->stlist;
while (stptr != NULL) {
L1L2(stptr, PH_PAUSE | INDICATION, NULL);
stptr = stptr->next;
}
} else {
/* discard frame; reset transceiver */
test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags);
if (cs->tx_skb) {
dev_kfree_skb_any(cs->tx_skb);
cs->tx_cnt = 0;
cs->tx_skb = NULL;
} else {
printk(KERN_WARNING "HiSax: W6692 D-Channel Busy no skb\n");
debugl1(cs, "D-Channel Busy no skb");
}
w6692_write_reg(cs, W_D_CMDR, W_D_CMDR_XRST); /* Transmitter reset */
cs->card_ops->irq_func(cs->irq, cs, NULL); /* FIXME? */
}
}
}
static void
W6692Bmode(struct BCState *bcs, int mode, int bchan)
{
struct IsdnCardState *cs = bcs->cs;
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "w6692 %c mode %d ichan %d",
'1' + bchan, mode, bchan);
bcs->mode = mode;
bcs->channel = bchan;
bcs->hw.w6692.bchan = bchan;
switch (mode) {
case (L1_MODE_NULL):
w6692_bc_write_reg(cs, bchan, W_B_MODE, 0);
break;
case (L1_MODE_TRANS):
w6692_bc_write_reg(cs, bchan, W_B_MODE, W_B_MODE_MMS);
break;
case (L1_MODE_HDLC):
w6692_bc_write_reg(cs, bchan, W_B_MODE, W_B_MODE_ITF);
w6692_bc_write_reg(cs, bchan, W_B_ADM1, 0xff);
w6692_bc_write_reg(cs, bchan, W_B_ADM2, 0xff);
break;
}
if (mode)
w6692_bc_write_reg(cs, bchan, W_B_CMDR, W_B_CMDR_RRST |
W_B_CMDR_RACT | W_B_CMDR_XRST);
w6692_bc_write_reg(cs, bchan, W_B_EXIM, 0x00);
}
static void
W6692_l2l1(struct PStack *st, int pr, void *arg)
{
struct sk_buff *skb = arg;
switch (pr) {
case (PH_DATA | REQUEST):
xmit_data_req_b(st->l1.bcs, skb);
break;
case (PH_PULL | INDICATION):
xmit_pull_ind_b(st->l1.bcs, skb);
break;
case (PH_PULL | REQUEST):
xmit_pull_req_b(st);
break;
case (PH_ACTIVATE | REQUEST):
test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
W6692Bmode(st->l1.bcs, st->l1.mode, st->l1.bc);
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | REQUEST):
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | CONFIRM):
test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
test_and_clear_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
W6692Bmode(st->l1.bcs, 0, st->l1.bc);
L1L2(st, PH_DEACTIVATE | CONFIRM, NULL);
break;
}
}
static void
close_w6692state(struct BCState *bcs)
{
W6692Bmode(bcs, 0, bcs->channel);
bc_close(bcs);
}
static int
open_w6692state(struct IsdnCardState *cs, struct BCState *bcs)
{
return bc_open(bcs);
}
static int
setstack_w6692(struct PStack *st, struct BCState *bcs)
{
bcs->channel = st->l1.bc;
if (open_w6692state(st->l1.hardware, bcs))
return (-1);
st->l1.bcs = bcs;
st->l1.l2l1 = W6692_l2l1;
setstack_manager(st);
bcs->st = st;
setstack_l1_B(st);
return (0);
}
static int
w6692_reset(struct IsdnCardState *cs)
{
w6692_write_reg(cs, W_D_CTL, W_D_CTL_SRST);
schedule_timeout((10*HZ)/1000);
w6692_write_reg(cs, W_D_CTL, 0x00);
schedule_timeout((10*HZ)/1000);
w6692_write_reg(cs, W_IMASK, 0xff);
w6692_write_reg(cs, W_D_SAM, 0xff);
w6692_write_reg(cs, W_D_TAM, 0xff);
w6692_write_reg(cs, W_D_EXIM, 0x00);
w6692_write_reg(cs, W_D_MODE, W_D_MODE_RACT);
w6692_write_reg(cs, W_IMASK, 0x18);
if (cs->subtyp == W6692_USR) {
/* seems that USR implemented some power control features
* Pin 79 is connected to the oscilator circuit so we
* have to handle it here
*/
w6692_write_reg(cs, W_PCTL, 0x80);
w6692_write_reg(cs, W_XDATA, 0x00);
}
return 0;
}
static void
w6692_init(struct IsdnCardState *cs)
{
w6692_reset(cs);
ph_command(cs, W_L1CMD_RST);
cs->dc.w6692.ph_state = W_L1CMD_RST;
W6692_new_ph(cs);
ph_command(cs, W_L1CMD_ECK);
W6692Bmode(cs->bcs, 0, 0);
W6692Bmode(cs->bcs + 1, 0, 0);
/* Reenable all IRQ */
w6692_write_reg(cs, W_IMASK, 0x18);
w6692_write_reg(cs, W_D_EXIM, 0x00);
w6692_bc_write_reg(cs, 0, W_B_EXIM, 0x00);
w6692_bc_write_reg(cs, 1, W_B_EXIM, 0x00);
/* Reset D-chan receiver and transmitter */
w6692_write_reg(cs, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
}
static void
w6692_release(struct IsdnCardState *cs)
{
w6692_write_reg(cs, W_IMASK, 0xff);
if (cs->subtyp == W6692_USR)
w6692_write_reg(cs, W_XDATA, 0x04);
hisax_release_resources(cs);
}
static struct card_ops w6692_ops = {
.init = w6692_init,
.reset = w6692_reset,
.release = w6692_release,
.irq_func = w6692_interrupt,
};
static struct dc_l1_ops w6692_dc_l1_ops = {
.fill_fifo = W6692_fill_fifo,
.open = setstack_W6692,
.bh_func = W6692_bh,
.dbusy_func = dbusy_timer_handler,
};
static struct bc_l1_ops w6692_bc_l1_ops = {
.fill_fifo = W6692B_fill_fifo,
.open = setstack_w6692,
.close = close_w6692state,
};
static int id_idx ;
static struct pci_dev *dev_w6692 __initdata = NULL;
static int
w6692_hw_init(struct IsdnCardState *cs)
{
cs->card_ops = &w6692_ops;
cs->dc_hw_ops = &w6692_dc_hw_ops,
cs->bc_hw_ops = &w6692_bc_hw_ops;
dc_l1_init(cs, &w6692_dc_l1_ops);
cs->bc_l1_ops = &w6692_bc_l1_ops;
W6692Version(cs, "W6692:");
printk(KERN_INFO "W6692 ISTA=0x%X\n", w6692_read_reg(cs, W_ISTA));
printk(KERN_INFO "W6692 IMASK=0x%X\n", w6692_read_reg(cs, W_IMASK));
printk(KERN_INFO "W6692 D_EXIR=0x%X\n", w6692_read_reg(cs, W_D_EXIR));
printk(KERN_INFO "W6692 D_EXIM=0x%X\n", w6692_read_reg(cs, W_D_EXIM));
printk(KERN_INFO "W6692 D_RSTA=0x%X\n", w6692_read_reg(cs, W_D_RSTA));
return 0;
}
static int __init
w6692_probe(struct IsdnCardState *cs, struct pci_dev *pdev)
{
int rc;
printk(KERN_INFO "W6692: %s %s at %#lx IRQ %d\n",
id_list[cs->subtyp].vendor_name, id_list[cs->subtyp].card_name,
pci_resource_start(pdev, 1), pdev->irq);
rc = -EBUSY;
if (pci_enable_device(pdev))
goto err;
/* USR ISDN PCI card TA need some special handling */
if (cs->subtyp == W6692_WINBOND) {
if (pdev->subsystem_vendor == W6692_SV_USR &&
pdev->subsystem_device == W6692_SD_USR) {
cs->subtyp = W6692_USR;
}
}
cs->irq = pdev->irq;
cs->irq_flags |= SA_SHIRQ;
cs->hw.w6692.iobase = pci_resource_start(pdev, 1);
if (!request_io(&cs->rs, cs->hw.w6692.iobase, 0x100,
id_list[cs->subtyp].card_name))
goto err;
w6692_hw_init(cs);
return 0;
err:
hisax_release_resources(cs);
return rc;
}
int __init
setup_w6692(struct IsdnCard *card)
{
char tmp[64];
#ifdef __BIG_ENDIAN
#error "not running on big endian machines now"
#endif
strcpy(tmp, w6692_revision);
printk(KERN_INFO "HiSax: W6692 driver Rev. %s\n", HiSax_getrev(tmp));
while (id_list[id_idx].vendor_id) {
dev_w6692 = pci_find_device(id_list[id_idx].vendor_id,
id_list[id_idx].device_id,
dev_w6692);
if (dev_w6692) {
card->cs->subtyp = id_idx;
if (w6692_probe(card->cs, dev_w6692) < 0)
return 0;
return 1;
}
id_idx++;
}
printk(KERN_WARNING "W6692: No PCI card found\n");
return 0;
}
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