*
* 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.
*
#include "isdnl1.h"
#include <linux/interrupt.h>
/*
-#define KDEBUG_DEF
-#include "kdebug.h"
+ #define KDEBUG_DEF
+ #include "kdebug.h"
*/
-#define byteout(addr,val) outb(val,addr)
+#define byteout(addr, val) outb(val, addr)
#define bytein(addr) inb(addr)
static void
-dummyf(struct IsdnCardState *cs, u_char * data, int size)
+dummyf(struct IsdnCardState *cs, u_char *data, int size)
{
printk(KERN_WARNING "HiSax: hfcd dummy fifo called\n");
}
register u_char ret;
if (data) {
- if (cs->hw.hfcD.cip != reg) {
+ if (cs->hw.hfcD.cip != reg) {
cs->hw.hfcD.cip = reg;
byteout(cs->hw.hfcD.addr | 1, reg);
}
static inline void
WriteReg(struct IsdnCardState *cs, int data, u_char reg, u_char value)
{
- if (cs->hw.hfcD.cip != reg) {
+ if (cs->hw.hfcD.cip != reg) {
cs->hw.hfcD.cip = reg;
byteout(cs->hw.hfcD.addr | 1, reg);
}
static u_char
readreghfcd(struct IsdnCardState *cs, u_char offset)
{
- return(ReadReg(cs, HFCD_DATA, offset));
+ return (ReadReg(cs, HFCD_DATA, offset));
}
static void
udelay(1);
to--;
}
- if (!to)
+ if (!to)
printk(KERN_WARNING "HiSax: WaitNoBusy timeout\n");
return (to);
}
u_char cip;
if (cs->hw.hfcD.fifo == FiFo)
- return(1);
- switch(FiFo) {
- case 0: cip = HFCB_FIFO | HFCB_Z1 | HFCB_SEND | HFCB_B1;
- break;
- case 1: cip = HFCB_FIFO | HFCB_Z1 | HFCB_REC | HFCB_B1;
- break;
- case 2: cip = HFCB_FIFO | HFCB_Z1 | HFCB_SEND | HFCB_B2;
- break;
- case 3: cip = HFCB_FIFO | HFCB_Z1 | HFCB_REC | HFCB_B2;
- break;
- case 4: cip = HFCD_FIFO | HFCD_Z1 | HFCD_SEND;
- break;
- case 5: cip = HFCD_FIFO | HFCD_Z1 | HFCD_REC;
- break;
- default:
- debugl1(cs, "SelFiFo Error");
- return(0);
+ return (1);
+ switch (FiFo) {
+ case 0: cip = HFCB_FIFO | HFCB_Z1 | HFCB_SEND | HFCB_B1;
+ break;
+ case 1: cip = HFCB_FIFO | HFCB_Z1 | HFCB_REC | HFCB_B1;
+ break;
+ case 2: cip = HFCB_FIFO | HFCB_Z1 | HFCB_SEND | HFCB_B2;
+ break;
+ case 3: cip = HFCB_FIFO | HFCB_Z1 | HFCB_REC | HFCB_B2;
+ break;
+ case 4: cip = HFCD_FIFO | HFCD_Z1 | HFCD_SEND;
+ break;
+ case 5: cip = HFCD_FIFO | HFCD_Z1 | HFCD_REC;
+ break;
+ default:
+ debugl1(cs, "SelFiFo Error");
+ return (0);
}
cs->hw.hfcD.fifo = FiFo;
WaitNoBusy(cs);
cs->BC_Write_Reg(cs, HFCD_DATA, cip, 0);
WaitForBusy(cs);
- return(2);
+ return (2);
}
static int
int idx;
int chksum;
u_char stat, cip;
-
+
if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
debugl1(cs, "hfc_empty_fifo");
idx = 0;
WaitForBusy(cs);
WaitNoBusy(cs);
stat = ReadReg(cs, HFCD_DATA, HFCB_FIFO | HFCB_F2_INC |
- HFCB_REC | HFCB_CHANNEL(bcs->channel));
+ HFCB_REC | HFCB_CHANNEL(bcs->channel));
WaitForBusy(cs);
return (skb);
}
return;
if (bcs->tx_skb->len <= 0)
return;
- SelFiFo(cs, HFCB_SEND | HFCB_CHANNEL(bcs->channel));
+ SelFiFo(cs, HFCB_SEND | HFCB_CHANNEL(bcs->channel));
cip = HFCB_FIFO | HFCB_F1 | HFCB_SEND | HFCB_CHANNEL(bcs->channel);
WaitNoBusy(cs);
bcs->hw.hfc.f1 = ReadReg(cs, HFCD_DATA, cip);
WaitNoBusy(cs);
bcs->hw.hfc.f2 = ReadReg(cs, HFCD_DATA, cip);
bcs->hw.hfc.send[bcs->hw.hfc.f1] = ReadZReg(cs, HFCB_FIFO | HFCB_Z1 | HFCB_SEND | HFCB_CHANNEL(bcs->channel));
- if (cs->debug & L1_DEB_HSCX)
+ if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "hfc_fill_fifo %d f1(%d) f2(%d) z1(%x)",
bcs->channel, bcs->hw.hfc.f1, bcs->hw.hfc.f2,
bcs->hw.hfc.send[bcs->hw.hfc.f1]);
printk(KERN_WARNING "HFC S FIFO channel %d BUSY Error\n", bcs->channel);
} else {
bcs->tx_cnt -= bcs->tx_skb->len;
- if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) &&
- (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
+ if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) &&
+ (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
u_long flags;
spin_lock_irqsave(&bcs->aclock, flags);
bcs->ackcnt += bcs->tx_skb->len;
hfc_send_data(struct BCState *bcs)
{
struct IsdnCardState *cs = bcs->cs;
-
+
if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
hfc_fill_fifo(bcs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
- debugl1(cs,"send_data %d blocked", bcs->channel);
+ debugl1(cs, "send_data %d blocked", bcs->channel);
}
static void
int receive, count = 5;
struct sk_buff *skb;
- Begin:
+Begin:
count--;
if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
- debugl1(cs,"rec_data %d blocked", bcs->channel);
+ debugl1(cs, "rec_data %d blocked", bcs->channel);
return;
}
SelFiFo(cs, HFCB_REC | HFCB_CHANNEL(bcs->channel));
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
}
- rcnt = f1 -f2;
- if (rcnt<0)
+ rcnt = f1 - f2;
+ if (rcnt < 0)
rcnt += 32;
- if (rcnt>1)
+ if (rcnt > 1)
receive = 1;
else
receive = 0;
receive = 0;
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
if (count && receive)
- goto Begin;
+ goto Begin;
return;
}
bcs->mode = mode;
bcs->channel = bc;
switch (mode) {
- case (L1_MODE_NULL):
- if (bc) {
- cs->hw.hfcD.conn |= 0x18;
- cs->hw.hfcD.sctrl &= ~SCTRL_B2_ENA;
- } else {
- cs->hw.hfcD.conn |= 0x3;
- cs->hw.hfcD.sctrl &= ~SCTRL_B1_ENA;
- }
- break;
- case (L1_MODE_TRANS):
- if (bc) {
- cs->hw.hfcD.ctmt |= 2;
- cs->hw.hfcD.conn &= ~0x18;
- cs->hw.hfcD.sctrl |= SCTRL_B2_ENA;
- } else {
- cs->hw.hfcD.ctmt |= 1;
- cs->hw.hfcD.conn &= ~0x3;
- cs->hw.hfcD.sctrl |= SCTRL_B1_ENA;
- }
- break;
- case (L1_MODE_HDLC):
- if (bc) {
- cs->hw.hfcD.ctmt &= ~2;
- cs->hw.hfcD.conn &= ~0x18;
- cs->hw.hfcD.sctrl |= SCTRL_B2_ENA;
- } else {
- cs->hw.hfcD.ctmt &= ~1;
- cs->hw.hfcD.conn &= ~0x3;
- cs->hw.hfcD.sctrl |= SCTRL_B1_ENA;
- }
- break;
+ case (L1_MODE_NULL):
+ if (bc) {
+ cs->hw.hfcD.conn |= 0x18;
+ cs->hw.hfcD.sctrl &= ~SCTRL_B2_ENA;
+ } else {
+ cs->hw.hfcD.conn |= 0x3;
+ cs->hw.hfcD.sctrl &= ~SCTRL_B1_ENA;
+ }
+ break;
+ case (L1_MODE_TRANS):
+ if (bc) {
+ cs->hw.hfcD.ctmt |= 2;
+ cs->hw.hfcD.conn &= ~0x18;
+ cs->hw.hfcD.sctrl |= SCTRL_B2_ENA;
+ } else {
+ cs->hw.hfcD.ctmt |= 1;
+ cs->hw.hfcD.conn &= ~0x3;
+ cs->hw.hfcD.sctrl |= SCTRL_B1_ENA;
+ }
+ break;
+ case (L1_MODE_HDLC):
+ if (bc) {
+ cs->hw.hfcD.ctmt &= ~2;
+ cs->hw.hfcD.conn &= ~0x18;
+ cs->hw.hfcD.sctrl |= SCTRL_B2_ENA;
+ } else {
+ cs->hw.hfcD.ctmt &= ~1;
+ cs->hw.hfcD.conn &= ~0x3;
+ cs->hw.hfcD.sctrl |= SCTRL_B1_ENA;
+ }
+ break;
}
WriteReg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
u_long flags;
switch (pr) {
- case (PH_DATA | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->tx_skb) {
- skb_queue_tail(&bcs->squeue, skb);
- } else {
- bcs->tx_skb = skb;
+ case (PH_DATA | REQUEST):
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ if (bcs->tx_skb) {
+ skb_queue_tail(&bcs->squeue, skb);
+ } else {
+ bcs->tx_skb = skb;
// test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->cs->BC_Send_Data(bcs);
- }
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | INDICATION):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->tx_skb) {
- printk(KERN_WARNING "hfc_l2l1: this shouldn't happen\n");
- } else {
+ bcs->cs->BC_Send_Data(bcs);
+ }
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ break;
+ case (PH_PULL | INDICATION):
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ if (bcs->tx_skb) {
+ printk(KERN_WARNING "hfc_l2l1: this shouldn't happen\n");
+ } else {
// test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->tx_skb = skb;
- bcs->cs->BC_Send_Data(bcs);
- }
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | REQUEST):
- if (!bcs->tx_skb) {
- test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
- } else
- test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- break;
- case (PH_ACTIVATE | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
- mode_2bs0(bcs, st->l1.mode, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | REQUEST):
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | CONFIRM):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- mode_2bs0(bcs, 0, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
- break;
+ bcs->tx_skb = skb;
+ bcs->cs->BC_Send_Data(bcs);
+ }
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ break;
+ case (PH_PULL | REQUEST):
+ if (!bcs->tx_skb) {
+ test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
+ } else
+ test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ break;
+ case (PH_ACTIVATE | REQUEST):
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
+ mode_2bs0(bcs, st->l1.mode, st->l1.bc);
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ l1_msg_b(st, pr, arg);
+ break;
+ case (PH_DEACTIVATE | REQUEST):
+ l1_msg_b(st, pr, arg);
+ break;
+ case (PH_DEACTIVATE | CONFIRM):
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
+ test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+ mode_2bs0(bcs, 0, st->l1.bc);
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
+ break;
}
}
if (test_and_clear_bit(D_L1STATECHANGE, &cs->event)) {
switch (cs->dc.hfcd.ph_state) {
- case (0):
- l1_msg(cs, HW_RESET | INDICATION, NULL);
- break;
- case (3):
- l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
- break;
- case (8):
- l1_msg(cs, HW_RSYNC | INDICATION, NULL);
- break;
- case (6):
- l1_msg(cs, HW_INFO2 | INDICATION, NULL);
- break;
- case (7):
- l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
- break;
- default:
- break;
+ case (0):
+ l1_msg(cs, HW_RESET | INDICATION, NULL);
+ break;
+ case (3):
+ l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
+ break;
+ case (8):
+ l1_msg(cs, HW_RSYNC | INDICATION, NULL);
+ break;
+ case (6):
+ l1_msg(cs, HW_INFO2 | INDICATION, NULL);
+ break;
+ case (7):
+ l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
+ break;
+ default:
+ break;
}
}
if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
int rcnt, z1, z2;
u_char stat, cip, f1, f2;
int chksum;
- int count=5;
+ int count = 5;
u_char *ptr;
if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
debugl1(cs, "rec_dmsg blocked");
- return(1);
+ return (1);
}
SelFiFo(cs, 4 | HFCD_REC);
cip = HFCD_FIFO | HFCD_F1 | HFCD_REC;
f2 = cs->readisac(cs, cip) & 0xf;
}
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
- return(1);
-}
+ return (1);
+}
static void
hfc_fill_dfifo(struct IsdnCardState *cs)
return;
}
-static
+static
struct BCState *Sel_BCS(struct IsdnCardState *cs, int channel)
{
if (cs->bcs[0].mode && (cs->bcs[0].channel == channel))
- return(&cs->bcs[0]);
+ return (&cs->bcs[0]);
else if (cs->bcs[1].mode && (cs->bcs[1].channel == channel))
- return(&cs->bcs[1]);
+ return (&cs->bcs[1]);
else
- return(NULL);
+ return (NULL);
}
void
hfc2bds0_interrupt(struct IsdnCardState *cs, u_char val)
{
- u_char exval;
- struct BCState *bcs;
- int count=15;
+ u_char exval;
+ struct BCState *bcs;
+ int count = 15;
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "HFCD irq %x %s", val,
}
if (cs->hw.hfcD.int_s1 & 0x18) {
exval = val;
- val = cs->hw.hfcD.int_s1;
+ val = cs->hw.hfcD.int_s1;
cs->hw.hfcD.int_s1 = exval;
- }
+ }
if (val & 0x08) {
- if (!(bcs=Sel_BCS(cs, 0))) {
+ if (!(bcs = Sel_BCS(cs, 0))) {
if (cs->debug)
debugl1(cs, "hfcd spurious 0x08 IRQ");
- } else
+ } else
main_rec_2bds0(bcs);
}
if (val & 0x10) {
- if (!(bcs=Sel_BCS(cs, 1))) {
+ if (!(bcs = Sel_BCS(cs, 1))) {
if (cs->debug)
debugl1(cs, "hfcd spurious 0x10 IRQ");
- } else
+ } else
main_rec_2bds0(bcs);
}
if (val & 0x01) {
- if (!(bcs=Sel_BCS(cs, 0))) {
+ if (!(bcs = Sel_BCS(cs, 0))) {
if (cs->debug)
debugl1(cs, "hfcd spurious 0x01 IRQ");
} else {
hfc_fill_fifo(bcs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
- debugl1(cs,"fill_data %d blocked", bcs->channel);
+ debugl1(cs, "fill_data %d blocked", bcs->channel);
} else {
if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
hfc_fill_fifo(bcs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
- debugl1(cs,"fill_data %d blocked", bcs->channel);
+ debugl1(cs, "fill_data %d blocked", bcs->channel);
} else {
schedule_event(bcs, B_XMTBUFREADY);
}
}
}
if (val & 0x02) {
- if (!(bcs=Sel_BCS(cs, 1))) {
+ if (!(bcs = Sel_BCS(cs, 1))) {
if (cs->debug)
debugl1(cs, "hfcd spurious 0x02 IRQ");
} else {
hfc_fill_fifo(bcs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
- debugl1(cs,"fill_data %d blocked", bcs->channel);
+ debugl1(cs, "fill_data %d blocked", bcs->channel);
} else {
if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
hfc_fill_fifo(bcs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
- debugl1(cs,"fill_data %d blocked", bcs->channel);
+ debugl1(cs, "fill_data %d blocked", bcs->channel);
} else {
schedule_event(bcs, B_XMTBUFREADY);
}
} else
schedule_event(cs, D_XMTBUFREADY);
}
- afterXPR:
+ afterXPR:
if (cs->hw.hfcD.int_s1 && count--) {
val = cs->hw.hfcD.int_s1;
cs->hw.hfcD.int_s1 = 0;
struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
struct sk_buff *skb = arg;
u_long flags;
-
+
switch (pr) {
- case (PH_DATA | REQUEST):
- if (cs->debug & DEB_DLOG_HEX)
- LogFrame(cs, skb->data, skb->len);
- if (cs->debug & DEB_DLOG_VERBOSE)
- dlogframe(cs, skb, 0);
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->tx_skb) {
- skb_queue_tail(&cs->sq, skb);
+ case (PH_DATA | REQUEST):
+ if (cs->debug & DEB_DLOG_HEX)
+ LogFrame(cs, skb->data, skb->len);
+ if (cs->debug & DEB_DLOG_VERBOSE)
+ dlogframe(cs, skb, 0);
+ spin_lock_irqsave(&cs->lock, flags);
+ if (cs->tx_skb) {
+ skb_queue_tail(&cs->sq, skb);
#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA Queued", 0);
-#endif
- } else {
- cs->tx_skb = skb;
- cs->tx_cnt = 0;
-#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA", 0);
+ if (cs->debug & L1_DEB_LAPD)
+ Logl2Frame(cs, skb, "PH_DATA Queued", 0);
#endif
- if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
- hfc_fill_dfifo(cs);
- test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
- } else
- debugl1(cs, "hfc_fill_dfifo blocked");
-
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (PH_PULL | INDICATION):
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->tx_skb) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, " l2l1 tx_skb exist this shouldn't happen");
- skb_queue_tail(&cs->sq, skb);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- }
- if (cs->debug & DEB_DLOG_HEX)
- LogFrame(cs, skb->data, skb->len);
- if (cs->debug & DEB_DLOG_VERBOSE)
- dlogframe(cs, skb, 0);
+ } else {
cs->tx_skb = skb;
cs->tx_cnt = 0;
#ifdef L2FRAME_DEBUG /* psa */
if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA_PULLED", 0);
+ Logl2Frame(cs, skb, "PH_DATA", 0);
#endif
if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
hfc_fill_dfifo(cs);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
} else
debugl1(cs, "hfc_fill_dfifo blocked");
+
+ }
+ spin_unlock_irqrestore(&cs->lock, flags);
+ break;
+ case (PH_PULL | INDICATION):
+ spin_lock_irqsave(&cs->lock, flags);
+ if (cs->tx_skb) {
+ if (cs->debug & L1_DEB_WARN)
+ debugl1(cs, " l2l1 tx_skb exist this shouldn't happen");
+ skb_queue_tail(&cs->sq, skb);
spin_unlock_irqrestore(&cs->lock, flags);
break;
- case (PH_PULL | REQUEST):
+ }
+ if (cs->debug & DEB_DLOG_HEX)
+ LogFrame(cs, skb->data, skb->len);
+ if (cs->debug & DEB_DLOG_VERBOSE)
+ dlogframe(cs, skb, 0);
+ cs->tx_skb = skb;
+ cs->tx_cnt = 0;
#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- debugl1(cs, "-> PH_REQUEST_PULL");
+ if (cs->debug & L1_DEB_LAPD)
+ Logl2Frame(cs, skb, "PH_DATA_PULLED", 0);
#endif
- if (!cs->tx_skb) {
- test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
- } else
- test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- break;
- case (HW_RESET | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- cs->writeisac(cs, HFCD_STATES, HFCD_LOAD_STATE | 3); /* HFC ST 3 */
- udelay(6);
- cs->writeisac(cs, HFCD_STATES, 3); /* HFC ST 2 */
- cs->hw.hfcD.mst_m |= HFCD_MASTER;
- cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
- cs->writeisac(cs, HFCD_STATES, HFCD_ACTIVATE | HFCD_DO_ACTION);
- spin_unlock_irqrestore(&cs->lock, flags);
- l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
- break;
- case (HW_ENABLE | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- cs->writeisac(cs, HFCD_STATES, HFCD_ACTIVATE | HFCD_DO_ACTION);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (HW_DEACTIVATE | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- cs->hw.hfcD.mst_m &= ~HFCD_MASTER;
- cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (HW_INFO3 | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- cs->hw.hfcD.mst_m |= HFCD_MASTER;
- cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- default:
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "hfcd_l1hw unknown pr %4x", pr);
- break;
+ if (!test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
+ hfc_fill_dfifo(cs);
+ test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+ } else
+ debugl1(cs, "hfc_fill_dfifo blocked");
+ spin_unlock_irqrestore(&cs->lock, flags);
+ break;
+ case (PH_PULL | REQUEST):
+#ifdef L2FRAME_DEBUG /* psa */
+ if (cs->debug & L1_DEB_LAPD)
+ debugl1(cs, "-> PH_REQUEST_PULL");
+#endif
+ if (!cs->tx_skb) {
+ test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
+ } else
+ test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ break;
+ case (HW_RESET | REQUEST):
+ spin_lock_irqsave(&cs->lock, flags);
+ cs->writeisac(cs, HFCD_STATES, HFCD_LOAD_STATE | 3); /* HFC ST 3 */
+ udelay(6);
+ cs->writeisac(cs, HFCD_STATES, 3); /* HFC ST 2 */
+ cs->hw.hfcD.mst_m |= HFCD_MASTER;
+ cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
+ cs->writeisac(cs, HFCD_STATES, HFCD_ACTIVATE | HFCD_DO_ACTION);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
+ break;
+ case (HW_ENABLE | REQUEST):
+ spin_lock_irqsave(&cs->lock, flags);
+ cs->writeisac(cs, HFCD_STATES, HFCD_ACTIVATE | HFCD_DO_ACTION);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ break;
+ case (HW_DEACTIVATE | REQUEST):
+ spin_lock_irqsave(&cs->lock, flags);
+ cs->hw.hfcD.mst_m &= ~HFCD_MASTER;
+ cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ break;
+ case (HW_INFO3 | REQUEST):
+ spin_lock_irqsave(&cs->lock, flags);
+ cs->hw.hfcD.mst_m |= HFCD_MASTER;
+ cs->writeisac(cs, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ break;
+ default:
+ if (cs->debug & L1_DEB_WARN)
+ debugl1(cs, "hfcd_l1hw unknown pr %4x", pr);
+ break;
}
}
if (!(send = kmalloc(cnt * sizeof(unsigned int), GFP_ATOMIC))) {
printk(KERN_WARNING
"HiSax: No memory for hfcd.send\n");
- return(NULL);
+ return (NULL);
}
for (i = 0; i < cnt; i++)
send[i] = 0x1fff;
- return(send);
+ return (send);
}
void
projects / cascardo / linux.git / blobdiff