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Diffstat (limited to 'drivers/isdn/hisax/hfc_2bs0.c')
-rw-r--r--drivers/isdn/hisax/hfc_2bs0.c591
1 files changed, 0 insertions, 591 deletions
diff --git a/drivers/isdn/hisax/hfc_2bs0.c b/drivers/isdn/hisax/hfc_2bs0.c
deleted file mode 100644
index 34d59992839a..000000000000
--- a/drivers/isdn/hisax/hfc_2bs0.c
+++ /dev/null
@@ -1,591 +0,0 @@
-/* $Id: hfc_2bs0.c,v 1.20.2.6 2004/02/11 13:21:33 keil Exp $
- *
- * specific routines for CCD's HFC 2BS0
- *
- * 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 <linux/init.h>
-#include "hisax.h"
-#include "hfc_2bs0.h"
-#include "isac.h"
-#include "isdnl1.h"
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-
-static inline int
-WaitForBusy(struct IsdnCardState *cs)
-{
- int to = 130;
- u_char val;
-
- while (!(cs->BC_Read_Reg(cs, HFC_STATUS, 0) & HFC_BUSY) && to) {
- val = cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2 |
- (cs->hw.hfc.cip & 3));
- udelay(1);
- to--;
- }
- if (!to) {
- printk(KERN_WARNING "HiSax: %s timeout\n", __func__);
- return (0);
- } else
- return (to);
-}
-
-static inline int
-WaitNoBusy(struct IsdnCardState *cs)
-{
- int to = 125;
-
- while ((cs->BC_Read_Reg(cs, HFC_STATUS, 0) & HFC_BUSY) && to) {
- udelay(1);
- to--;
- }
- if (!to) {
- printk(KERN_WARNING "HiSax: waitforBusy timeout\n");
- return (0);
- } else
- return (to);
-}
-
-static int
-GetFreeFifoBytes(struct BCState *bcs)
-{
- int s;
-
- if (bcs->hw.hfc.f1 == bcs->hw.hfc.f2)
- return (bcs->cs->hw.hfc.fifosize);
- s = bcs->hw.hfc.send[bcs->hw.hfc.f1] - bcs->hw.hfc.send[bcs->hw.hfc.f2];
- if (s <= 0)
- s += bcs->cs->hw.hfc.fifosize;
- s = bcs->cs->hw.hfc.fifosize - s;
- return (s);
-}
-
-static int
-ReadZReg(struct BCState *bcs, u_char reg)
-{
- int val;
-
- WaitNoBusy(bcs->cs);
- val = 256 * bcs->cs->BC_Read_Reg(bcs->cs, HFC_DATA, reg | HFC_CIP | HFC_Z_HIGH);
- WaitNoBusy(bcs->cs);
- val += bcs->cs->BC_Read_Reg(bcs->cs, HFC_DATA, reg | HFC_CIP | HFC_Z_LOW);
- return (val);
-}
-
-static void
-hfc_clear_fifo(struct BCState *bcs)
-{
- struct IsdnCardState *cs = bcs->cs;
- int idx, cnt;
- int rcnt, z1, z2;
- u_char cip, f1, f2;
-
- if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
- debugl1(cs, "hfc_clear_fifo");
- cip = HFC_CIP | HFC_F1 | HFC_REC | HFC_CHANNEL(bcs->channel);
- if ((cip & 0xc3) != (cs->hw.hfc.cip & 0xc3)) {
- cs->BC_Write_Reg(cs, HFC_STATUS, cip, cip);
- WaitForBusy(cs);
- }
- WaitNoBusy(cs);
- f1 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- cip = HFC_CIP | HFC_F2 | HFC_REC | HFC_CHANNEL(bcs->channel);
- WaitNoBusy(cs);
- f2 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- z1 = ReadZReg(bcs, HFC_Z1 | HFC_REC | HFC_CHANNEL(bcs->channel));
- z2 = ReadZReg(bcs, HFC_Z2 | HFC_REC | HFC_CHANNEL(bcs->channel));
- cnt = 32;
- while (((f1 != f2) || (z1 != z2)) && cnt--) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc clear %d f1(%d) f2(%d)",
- bcs->channel, f1, f2);
- rcnt = z1 - z2;
- if (rcnt < 0)
- rcnt += cs->hw.hfc.fifosize;
- if (rcnt)
- rcnt++;
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc clear %d z1(%x) z2(%x) cnt(%d)",
- bcs->channel, z1, z2, rcnt);
- cip = HFC_CIP | HFC_FIFO_OUT | HFC_REC | HFC_CHANNEL(bcs->channel);
- idx = 0;
- while ((idx < rcnt) && WaitNoBusy(cs)) {
- cs->BC_Read_Reg(cs, HFC_DATA_NODEB, cip);
- idx++;
- }
- if (f1 != f2) {
- WaitNoBusy(cs);
- cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2_INC | HFC_REC |
- HFC_CHANNEL(bcs->channel));
- WaitForBusy(cs);
- }
- cip = HFC_CIP | HFC_F1 | HFC_REC | HFC_CHANNEL(bcs->channel);
- WaitNoBusy(cs);
- f1 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- cip = HFC_CIP | HFC_F2 | HFC_REC | HFC_CHANNEL(bcs->channel);
- WaitNoBusy(cs);
- f2 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- z1 = ReadZReg(bcs, HFC_Z1 | HFC_REC | HFC_CHANNEL(bcs->channel));
- z2 = ReadZReg(bcs, HFC_Z2 | HFC_REC | HFC_CHANNEL(bcs->channel));
- }
- return;
-}
-
-
-static struct sk_buff
-*
-hfc_empty_fifo(struct BCState *bcs, int count)
-{
- u_char *ptr;
- struct sk_buff *skb;
- struct IsdnCardState *cs = bcs->cs;
- 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;
- if (count > HSCX_BUFMAX + 3) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "hfc_empty_fifo: incoming packet too large");
- cip = HFC_CIP | HFC_FIFO_OUT | HFC_REC | HFC_CHANNEL(bcs->channel);
- while ((idx++ < count) && WaitNoBusy(cs))
- cs->BC_Read_Reg(cs, HFC_DATA_NODEB, cip);
- WaitNoBusy(cs);
- stat = cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2_INC | HFC_REC |
- HFC_CHANNEL(bcs->channel));
- WaitForBusy(cs);
- return (NULL);
- }
- if ((count < 4) && (bcs->mode != L1_MODE_TRANS)) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "hfc_empty_fifo: incoming packet too small");
- cip = HFC_CIP | HFC_FIFO_OUT | HFC_REC | HFC_CHANNEL(bcs->channel);
- while ((idx++ < count) && WaitNoBusy(cs))
- cs->BC_Read_Reg(cs, HFC_DATA_NODEB, cip);
- WaitNoBusy(cs);
- stat = cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2_INC | HFC_REC |
- HFC_CHANNEL(bcs->channel));
- WaitForBusy(cs);
-#ifdef ERROR_STATISTIC
- bcs->err_inv++;
-#endif
- return (NULL);
- }
- if (bcs->mode == L1_MODE_TRANS)
- count -= 1;
- else
- count -= 3;
- if (!(skb = dev_alloc_skb(count)))
- printk(KERN_WARNING "HFC: receive out of memory\n");
- else {
- ptr = skb_put(skb, count);
- idx = 0;
- cip = HFC_CIP | HFC_FIFO_OUT | HFC_REC | HFC_CHANNEL(bcs->channel);
- while ((idx < count) && WaitNoBusy(cs)) {
- *ptr++ = cs->BC_Read_Reg(cs, HFC_DATA_NODEB, cip);
- idx++;
- }
- if (idx != count) {
- debugl1(cs, "RFIFO BUSY error");
- printk(KERN_WARNING "HFC FIFO channel %d BUSY Error\n", bcs->channel);
- dev_kfree_skb_any(skb);
- if (bcs->mode != L1_MODE_TRANS) {
- WaitNoBusy(cs);
- stat = cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2_INC | HFC_REC |
- HFC_CHANNEL(bcs->channel));
- WaitForBusy(cs);
- }
- return (NULL);
- }
- if (bcs->mode != L1_MODE_TRANS) {
- WaitNoBusy(cs);
- chksum = (cs->BC_Read_Reg(cs, HFC_DATA, cip) << 8);
- WaitNoBusy(cs);
- chksum += cs->BC_Read_Reg(cs, HFC_DATA, cip);
- WaitNoBusy(cs);
- stat = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc_empty_fifo %d chksum %x stat %x",
- bcs->channel, chksum, stat);
- if (stat) {
- debugl1(cs, "FIFO CRC error");
- dev_kfree_skb_any(skb);
- skb = NULL;
-#ifdef ERROR_STATISTIC
- bcs->err_crc++;
-#endif
- }
- WaitNoBusy(cs);
- stat = cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F2_INC | HFC_REC |
- HFC_CHANNEL(bcs->channel));
- WaitForBusy(cs);
- }
- }
- return (skb);
-}
-
-static void
-hfc_fill_fifo(struct BCState *bcs)
-{
- struct IsdnCardState *cs = bcs->cs;
- int idx, fcnt;
- int count;
- int z1, z2;
- u_char cip;
-
- if (!bcs->tx_skb)
- return;
- if (bcs->tx_skb->len <= 0)
- return;
-
- cip = HFC_CIP | HFC_F1 | HFC_SEND | HFC_CHANNEL(bcs->channel);
- if ((cip & 0xc3) != (cs->hw.hfc.cip & 0xc3)) {
- cs->BC_Write_Reg(cs, HFC_STATUS, cip, cip);
- WaitForBusy(cs);
- }
- WaitNoBusy(cs);
- if (bcs->mode != L1_MODE_TRANS) {
- bcs->hw.hfc.f1 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- cip = HFC_CIP | HFC_F2 | HFC_SEND | HFC_CHANNEL(bcs->channel);
- WaitNoBusy(cs);
- bcs->hw.hfc.f2 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- bcs->hw.hfc.send[bcs->hw.hfc.f1] = ReadZReg(bcs, HFC_Z1 | HFC_SEND | HFC_CHANNEL(bcs->channel));
- 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]);
- fcnt = bcs->hw.hfc.f1 - bcs->hw.hfc.f2;
- if (fcnt < 0)
- fcnt += 32;
- if (fcnt > 30) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc_fill_fifo more as 30 frames");
- return;
- }
- count = GetFreeFifoBytes(bcs);
- }
- else {
- WaitForBusy(cs);
- z1 = ReadZReg(bcs, HFC_Z1 | HFC_REC | HFC_CHANNEL(bcs->channel));
- z2 = ReadZReg(bcs, HFC_Z2 | HFC_REC | HFC_CHANNEL(bcs->channel));
- count = z1 - z2;
- if (count < 0)
- count += cs->hw.hfc.fifosize;
- } /* L1_MODE_TRANS */
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc_fill_fifo %d count(%u/%d)",
- bcs->channel, bcs->tx_skb->len,
- count);
- if (count < bcs->tx_skb->len) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc_fill_fifo no fifo mem");
- return;
- }
- cip = HFC_CIP | HFC_FIFO_IN | HFC_SEND | HFC_CHANNEL(bcs->channel);
- idx = 0;
- while ((idx < bcs->tx_skb->len) && WaitNoBusy(cs))
- cs->BC_Write_Reg(cs, HFC_DATA_NODEB, cip, bcs->tx_skb->data[idx++]);
- if (idx != bcs->tx_skb->len) {
- debugl1(cs, "FIFO Send BUSY error");
- printk(KERN_WARNING "HFC S FIFO channel %d BUSY Error\n", bcs->channel);
- } else {
- count = bcs->tx_skb->len;
- bcs->tx_cnt -= count;
- if (PACKET_NOACK == bcs->tx_skb->pkt_type)
- count = -1;
- dev_kfree_skb_any(bcs->tx_skb);
- bcs->tx_skb = NULL;
- if (bcs->mode != L1_MODE_TRANS) {
- WaitForBusy(cs);
- WaitNoBusy(cs);
- cs->BC_Read_Reg(cs, HFC_DATA, HFC_CIP | HFC_F1_INC | HFC_SEND | HFC_CHANNEL(bcs->channel));
- }
- if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) &&
- (count >= 0)) {
- u_long flags;
- spin_lock_irqsave(&bcs->aclock, flags);
- bcs->ackcnt += count;
- spin_unlock_irqrestore(&bcs->aclock, flags);
- schedule_event(bcs, B_ACKPENDING);
- }
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- }
- return;
-}
-
-void
-main_irq_hfc(struct BCState *bcs)
-{
- struct IsdnCardState *cs = bcs->cs;
- int z1, z2, rcnt;
- u_char f1, f2, cip;
- int receive, transmit, count = 5;
- struct sk_buff *skb;
-
-Begin:
- count--;
- cip = HFC_CIP | HFC_F1 | HFC_REC | HFC_CHANNEL(bcs->channel);
- if ((cip & 0xc3) != (cs->hw.hfc.cip & 0xc3)) {
- cs->BC_Write_Reg(cs, HFC_STATUS, cip, cip);
- WaitForBusy(cs);
- }
- WaitNoBusy(cs);
- receive = 0;
- if (bcs->mode == L1_MODE_HDLC) {
- f1 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- cip = HFC_CIP | HFC_F2 | HFC_REC | HFC_CHANNEL(bcs->channel);
- WaitNoBusy(cs);
- f2 = cs->BC_Read_Reg(cs, HFC_DATA, cip);
- if (f1 != f2) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc rec %d f1(%d) f2(%d)",
- bcs->channel, f1, f2);
- receive = 1;
- }
- }
- if (receive || (bcs->mode == L1_MODE_TRANS)) {
- WaitForBusy(cs);
- z1 = ReadZReg(bcs, HFC_Z1 | HFC_REC | HFC_CHANNEL(bcs->channel));
- z2 = ReadZReg(bcs, HFC_Z2 | HFC_REC | HFC_CHANNEL(bcs->channel));
- rcnt = z1 - z2;
- if (rcnt < 0)
- rcnt += cs->hw.hfc.fifosize;
- if ((bcs->mode == L1_MODE_HDLC) || (rcnt)) {
- rcnt++;
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "hfc rec %d z1(%x) z2(%x) cnt(%d)",
- bcs->channel, z1, z2, rcnt);
- /* sti(); */
- if ((skb = hfc_empty_fifo(bcs, rcnt))) {
- skb_queue_tail(&bcs->rqueue, skb);
- schedule_event(bcs, B_RCVBUFREADY);
- }
- }
- receive = 1;
- }
- if (bcs->tx_skb) {
- transmit = 1;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- hfc_fill_fifo(bcs);
- if (test_bit(BC_FLG_BUSY, &bcs->Flag))
- transmit = 0;
- } else {
- if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
- transmit = 1;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- hfc_fill_fifo(bcs);
- if (test_bit(BC_FLG_BUSY, &bcs->Flag))
- transmit = 0;
- } else {
- transmit = 0;
- schedule_event(bcs, B_XMTBUFREADY);
- }
- }
- if ((receive || transmit) && count)
- goto Begin;
- return;
-}
-
-static void
-mode_hfc(struct BCState *bcs, int mode, int bc)
-{
- struct IsdnCardState *cs = bcs->cs;
-
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HFC 2BS0 mode %d bchan %d/%d",
- mode, bc, bcs->channel);
- bcs->mode = mode;
- bcs->channel = bc;
-
- switch (mode) {
- case (L1_MODE_NULL):
- if (bc) {
- cs->hw.hfc.ctmt &= ~1;
- cs->hw.hfc.isac_spcr &= ~0x03;
- }
- else {
- cs->hw.hfc.ctmt &= ~2;
- cs->hw.hfc.isac_spcr &= ~0x0c;
- }
- break;
- case (L1_MODE_TRANS):
- cs->hw.hfc.ctmt &= ~(1 << bc); /* set HDLC mode */
- cs->BC_Write_Reg(cs, HFC_STATUS, cs->hw.hfc.ctmt, cs->hw.hfc.ctmt);
- hfc_clear_fifo(bcs); /* complete fifo clear */
- if (bc) {
- cs->hw.hfc.ctmt |= 1;
- cs->hw.hfc.isac_spcr &= ~0x03;
- cs->hw.hfc.isac_spcr |= 0x02;
- } else {
- cs->hw.hfc.ctmt |= 2;
- cs->hw.hfc.isac_spcr &= ~0x0c;
- cs->hw.hfc.isac_spcr |= 0x08;
- }
- break;
- case (L1_MODE_HDLC):
- if (bc) {
- cs->hw.hfc.ctmt &= ~1;
- cs->hw.hfc.isac_spcr &= ~0x03;
- cs->hw.hfc.isac_spcr |= 0x02;
- } else {
- cs->hw.hfc.ctmt &= ~2;
- cs->hw.hfc.isac_spcr &= ~0x0c;
- cs->hw.hfc.isac_spcr |= 0x08;
- }
- break;
- }
- cs->BC_Write_Reg(cs, HFC_STATUS, cs->hw.hfc.ctmt, cs->hw.hfc.ctmt);
- cs->writeisac(cs, ISAC_SPCR, cs->hw.hfc.isac_spcr);
- if (mode == L1_MODE_HDLC)
- hfc_clear_fifo(bcs);
-}
-
-static void
-hfc_l2l1(struct PStack *st, int pr, void *arg)
-{
- struct BCState *bcs = st->l1.bcs;
- struct sk_buff *skb = arg;
- 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;
- 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 {
- 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_hfc(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_hfc(bcs, 0, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
- break;
- }
-}
-
-
-static void
-close_hfcstate(struct BCState *bcs)
-{
- mode_hfc(bcs, 0, bcs->channel);
- if (test_bit(BC_FLG_INIT, &bcs->Flag)) {
- skb_queue_purge(&bcs->rqueue);
- skb_queue_purge(&bcs->squeue);
- if (bcs->tx_skb) {
- dev_kfree_skb_any(bcs->tx_skb);
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- }
- }
- test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
-}
-
-static int
-open_hfcstate(struct IsdnCardState *cs, struct BCState *bcs)
-{
- if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
- skb_queue_head_init(&bcs->rqueue);
- skb_queue_head_init(&bcs->squeue);
- }
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->event = 0;
- bcs->tx_cnt = 0;
- return (0);
-}
-
-static int
-setstack_hfc(struct PStack *st, struct BCState *bcs)
-{
- bcs->channel = st->l1.bc;
- if (open_hfcstate(st->l1.hardware, bcs))
- return (-1);
- st->l1.bcs = bcs;
- st->l2.l2l1 = hfc_l2l1;
- setstack_manager(st);
- bcs->st = st;
- setstack_l1_B(st);
- return (0);
-}
-
-static void
-init_send(struct BCState *bcs)
-{
- int i;
-
- bcs->hw.hfc.send = kmalloc_array(32, sizeof(unsigned int), GFP_ATOMIC);
- if (!bcs->hw.hfc.send) {
- printk(KERN_WARNING
- "HiSax: No memory for hfc.send\n");
- return;
- }
- for (i = 0; i < 32; i++)
- bcs->hw.hfc.send[i] = 0x1fff;
-}
-
-void
-inithfc(struct IsdnCardState *cs)
-{
- init_send(&cs->bcs[0]);
- init_send(&cs->bcs[1]);
- cs->BC_Send_Data = &hfc_fill_fifo;
- cs->bcs[0].BC_SetStack = setstack_hfc;
- cs->bcs[1].BC_SetStack = setstack_hfc;
- cs->bcs[0].BC_Close = close_hfcstate;
- cs->bcs[1].BC_Close = close_hfcstate;
- mode_hfc(cs->bcs, 0, 0);
- mode_hfc(cs->bcs + 1, 0, 0);
-}
-
-void
-releasehfc(struct IsdnCardState *cs)
-{
- kfree(cs->bcs[0].hw.hfc.send);
- cs->bcs[0].hw.hfc.send = NULL;
- kfree(cs->bcs[1].hw.hfc.send);
- cs->bcs[1].hw.hfc.send = NULL;
-}