/* $Id: isar.c,v 1.22.2.6 2004/02/11 13:21:34 keil Exp $
*
* isar.c ISAR (Siemens PSB 7110) specific routines
*
* Author Karsten Keil (keil@isdn4linux.de)
*
* This file is (c) under GNU General Public License
*
*/
#include <linux/init.h>
#include "hisax.h"
#include "isar.h"
#include "isdnl1.h"
#include <linux/interrupt.h>
#define DBG_LOADFIRM 0
#define DUMP_MBOXFRAME 2
#define DLE 0x10
#define ETX 0x03
#define FAXMODCNT 13
static const u_char faxmodulation[] = {3,24,48,72,73,74,96,97,98,121,122,145,146};
static u_int modmask = 0x1fff;
static int frm_extra_delay = 2;
static int para_TOA = 6;
static const u_char *FC1_CMD[] = {"FAE", "FTS", "FRS", "FTM", "FRM", "FTH", "FRH", "CTRL" };
static void isar_setup(struct IsdnCardState *cs);
static void isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para);
static void ll_deliver_faxstat(struct BCState *bcs, u_char status);
static inline int
waitforHIA(struct IsdnCardState *cs, int timeout)
{
while ((cs->BC_Read_Reg(cs, 0, ISAR_HIA) & 1) && timeout) {
udelay(1);
timeout--;
}
if (!timeout)
printk(KERN_WARNING "HiSax: ISAR waitforHIA timeout\n");
return(timeout);
}
static int
sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
u_char *msg)
{
int i;
if (!waitforHIA(cs, 4000))
return(0);
#if DUMP_MBOXFRAME
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "sendmsg(%02x,%02x,%d)", his, creg, len);
#endif
cs->BC_Write_Reg(cs, 0, ISAR_CTRL_H, creg);
cs->BC_Write_Reg(cs, 0, ISAR_CTRL_L, len);
cs->BC_Write_Reg(cs, 0, ISAR_WADR, 0);
if (msg && len) {
cs->BC_Write_Reg(cs, 1, ISAR_MBOX, msg[0]);
for (i=1; i<len; i++)
cs->BC_Write_Reg(cs, 2, ISAR_MBOX, msg[i]);
#if DUMP_MBOXFRAME>1
if (cs->debug & L1_DEB_HSCX_FIFO) {
char tmp[256], *t;
i = len;
while (i>0) {
t = tmp;
t += sprintf(t, "sendmbox cnt %d", len);
QuickHex(t, &msg[len-i], (i>64) ? 64:i);
debugl1(cs, tmp);
i -= 64;
}
}
#endif
}
cs->BC_Write_Reg(cs, 1, ISAR_HIS, his);
waitforHIA(cs, 10000);
return(1);
}
/* Call only with IRQ disabled !!! */
static inline void
rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
{
int i;
cs->BC_Write_Reg(cs, 1, ISAR_RADR, 0);
if (msg && ireg->clsb) {
msg[0] = cs->BC_Read_Reg(cs, 1, ISAR_MBOX);
for (i=1; i < ireg->clsb; i++)
msg[i] = cs->BC_Read_Reg(cs, 2, ISAR_MBOX);
#if DUMP_MBOXFRAME>1
if (cs->debug & L1_DEB_HSCX_FIFO) {
char tmp[256], *t;
i = ireg->clsb;
while (i>0) {
t = tmp;
t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
QuickHex(t, &msg[ireg->clsb-i], (i>64) ? 64:i);
debugl1(cs, tmp);
i -= 64;
}
}
#endif
}
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
}
/* Call only with IRQ disabled !!! */
static inline void
get_irq_infos(struct IsdnCardState *cs, struct isar_reg *ireg)
{
ireg->iis = cs->BC_Read_Reg(cs, 1, ISAR_IIS);
ireg->cmsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_H);
ireg->clsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_L);
#if DUMP_MBOXFRAME
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "irq_stat(%02x,%02x,%d)", ireg->iis, ireg->cmsb,
ireg->clsb);
#endif
}
static int
waitrecmsg(struct IsdnCardState *cs, u_char *len,
u_char *msg, int maxdelay)
{
int timeout = 0;
struct isar_reg *ir = cs->bcs[0].hw.isar.reg;
while((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) &&
(timeout++ < maxdelay))
udelay(1);
if (timeout >= maxdelay) {
printk(KERN_WARNING"isar recmsg IRQSTA timeout\n");
return(0);
}
get_irq_infos(cs, ir);
rcv_mbox(cs, ir, msg);
*len = ir->clsb;
return(1);
}
int
ISARVersion(struct IsdnCardState *cs, char *s)
{
int ver;
u_char msg[] = ISAR_MSG_HWVER;
u_char tmp[64];
u_char len;
u_long flags;
int debug;
cs->cardmsg(cs, CARD_RESET, NULL);
spin_lock_irqsave(&cs->lock, flags);
/* disable ISAR IRQ */
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
debug = cs->debug;
cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
if (!sendmsg(cs, ISAR_HIS_VNR, 0, 3, msg)) {
spin_unlock_irqrestore(&cs->lock, flags);
return(-1);
}
if (!waitrecmsg(cs, &len, tmp, 100000)) {
spin_unlock_irqrestore(&cs->lock, flags);
return(-2);
}
cs->debug = debug;
if (cs->bcs[0].hw.isar.reg->iis == ISAR_IIS_VNR) {
if (len == 1) {
ver = tmp[0] & 0xf;
printk(KERN_INFO "%s ISAR version %d\n", s, ver);
} else
ver = -3;
} else
ver = -4;
spin_unlock_irqrestore(&cs->lock, flags);
return(ver);
}
static int
isar_load_firmware(struct IsdnCardState *cs, u_char __user *buf)
{
int ret, size, cnt, debug;
u_char len, nom, noc;
u_short sadr, left, *sp;
u_char __user *p = buf;
u_char *msg, *tmpmsg, *mp, tmp[64];
u_long flags;
struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
struct {u_short sadr;
u_short len;
u_short d_key;
} blk_head;
#define BLK_HEAD_SIZE 6
if (1 != (ret = ISARVersion(cs, "Testing"))) {
printk(KERN_ERR"isar_load_firmware wrong isar version %d\n", ret);
return(1);
}
debug = cs->debug;
#if DBG_LOADFIRM<2
cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
#endif
if ((ret = copy_from_user(&size, p, sizeof(int)))) {
printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
return ret;
}
p += sizeof(int);
printk(KERN_DEBUG"isar_load_firmware size: %d\n", size);
cnt = 0;
/* disable ISAR IRQ */
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
if (!(msg = kmalloc(256, GFP_KERNEL))) {
printk(KERN_ERR"isar_load_firmware no buffer\n");
return (1);
}
if (!(tmpmsg = kmalloc(256, GFP_KERNEL))) {
printk(KERN_ERR"isar_load_firmware no tmp buffer\n");
kfree(msg);
return (1);
}
spin_lock_irqsave(&cs->lock, flags);
/* disable ISAR IRQ */
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
spin_unlock_irqrestore(&cs->lock, flags);
while (cnt < size) {
if ((ret = copy_from_user(&blk_head, p, BLK_HEAD_SIZE))) {
printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
goto reterror;
}
#ifdef __BIG_ENDIAN
sadr = (blk_head.sadr & 0xff)*256 + blk_head.sadr/256;
blk_head.sadr = sadr;
sadr = (blk_head.len & 0xff)*256 + blk_head.len/256;
blk_head.len = sadr;
sadr = (blk_head.d_key & 0xff)*256 + blk_head.d_key/256;
blk_head.d_key = sadr;
#endif /* __BIG_ENDIAN */
cnt += BLK_HEAD_SIZE;
p += BLK_HEAD_SIZE;
printk(KERN_DEBUG"isar firmware block (%#x,%5d,%#x)\n",
blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
sadr = blk_head.sadr;
left = blk_head.len;
spin_lock_irqsave(&cs->lock, flags);
if (!sendmsg(cs, ISAR_HIS_DKEY, blk_head.d_key & 0xff, 0, NULL)) {
printk(KERN_ERR"isar sendmsg dkey failed\n");
ret = 1;goto reterr_unlock;
}
if (!waitrecmsg(cs, &len, tmp, 100000)) {
printk(KERN_ERR"isar waitrecmsg dkey failed\n");
ret = 1;goto reterr_unlock;
}
if ((ireg->iis != ISAR_IIS_DKEY) || ireg->cmsb || len) {
printk(KERN_ERR"isar wrong dkey response (%x,%x,%x)\n",
ireg->iis, ireg->cmsb, len);
ret = 1;goto reterr_unlock;
}
spin_unlock_irqrestore(&cs->lock, flags);
while (left>0) {
if (left > 126)
noc = 126;
else
noc = left;
nom = 2*noc;
mp = msg;
*mp++ = sadr / 256;
*mp++ = sadr % 256;
left -= noc;
*mp++ = noc;
if ((ret = copy_from_user(tmpmsg, p, nom))) {
printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
goto reterror;
}
p += nom;
cnt += nom;
nom += 3;
sp = (u_short *)tmpmsg;
#if DBG_LOADFIRM
printk(KERN_DEBUG"isar: load %3d words at %04x left %d\n",
noc, sadr, left);
#endif
sadr += noc;
while(noc) {
#ifdef __BIG_ENDIAN
*mp++ = *sp % 256;
*mp++ = *sp / 256;
#else
*mp++ = *sp / 256;
*mp++ = *sp % 256;
#endif /* __BIG_ENDIAN */
sp++;
noc--;
}
spin_lock_irqsave(&cs->lock, flags);
if (!sendmsg(cs, ISAR_HIS_FIRM, 0, nom, msg)) {
printk(KERN_ERR"isar sendmsg prog failed\n");
ret = 1;goto reterr_unlock;
}
if (!waitrecmsg(cs, &len, tmp, 100000)) {
printk(KERN_ERR"isar waitrecmsg prog failed\n");
ret = 1;goto reterr_unlock;
}
if ((ireg->iis != ISAR_IIS_FIRM) || ireg->cmsb || len) {
printk(KERN_ERR"isar wrong prog response (%x,%x,%x)\n",
ireg->iis, ireg->cmsb, len);
ret = 1;goto reterr_unlock;
}
spin_unlock_irqrestore(&cs->lock, flags);
}
printk(KERN_DEBUG"isar firmware block %5d words loaded\n",
blk_head.len);
}
/* 10ms delay */
cnt = 10;
while (cnt--)
udelay(1000);
msg[0] = 0xff;
msg[1] = 0xfe;
ireg->bstat = 0;
spin_lock_irqsave(&cs->lock, flags);
if (!sendmsg(cs, ISAR_HIS_STDSP, 0, 2, msg)) {
printk(KERN_ERR"isar sendmsg start dsp failed\n");
ret = 1;goto reterr_unlock;
}
if (!waitrecmsg(cs, &len, tmp, 100000)) {
printk(KERN_ERR"isar waitrecmsg start dsp failed\n");
ret = 1;goto reterr_unlock;
}
if ((ireg->iis != ISAR_IIS_STDSP) || ireg->cmsb || len) {
printk(KERN_ERR"isar wrong start dsp response (%x,%x,%x)\n",
ireg->iis, ireg->cmsb, len);
ret = 1;goto reterr_unlock;
} else
printk(KERN_DEBUG"isar start dsp success\n");
/* NORMAL mode entered */
/* Enable IRQs of ISAR */
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, ISAR_IRQSTA);
spin_unlock_irqrestore(&cs->lock, flags);
cnt = 1000; /* max 1s */
while ((!ireg->bstat) && cnt) {
udelay(1000);
cnt--;
}
if (!cnt) {
printk(KERN_ERR"isar no general status event received\n");
ret = 1;goto reterror;
} else {
printk(KERN_DEBUG"isar general status event %x\n",
ireg->bstat);
}
/* 10ms delay */
cnt = 10;
while (cnt--)
udelay(1000);
spin_lock_irqsave(&cs->lock, flags);
ireg->iis = 0;
if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
printk(KERN_ERR"isar sendmsg self tst failed\n");
ret = 1;goto reterr_unlock;
}
cnt = 10000; /* max 100 ms */
spin_unlock_irqrestore(&cs->lock, flags);
while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
udelay(10);
cnt--;
}
udelay(1000);
if (!cnt) {
printk(KERN_ERR"isar no self tst response\n");
ret = 1;goto reterror;
}
if ((ireg->cmsb == ISAR_CTRL_STST) && (ireg->clsb == 1)
&& (ireg->par[0] == 0)) {
printk(KERN_DEBUG"isar selftest OK\n");
} else {
printk(KERN_DEBUG"isar selftest not OK %x/%x/%x\n",
ireg->cmsb, ireg->clsb, ireg->par[0]);
ret = 1;goto reterror;
}
spin_lock_irqsave(&cs->lock, flags);
ireg->iis = 0;
if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
printk(KERN_ERR"isar RQST SVN failed\n");
ret = 1;goto reterr_unlock;
}
spin_unlock_irqrestore(&cs->lock, flags);
cnt = 30000; /* max 300 ms */
while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
udelay(10);
cnt--;
}
udelay(1000);
if (!cnt) {
printk(KERN_ERR"isar no SVN response\n");
ret = 1;goto reterror;
} else {
if ((ireg->cmsb == ISAR_CTRL_SWVER) && (ireg->clsb == 1))
printk(KERN_DEBUG"isar software version %#x\n",
ireg->par[0]);
else {
printk(KERN_ERR"isar wrong swver response (%x,%x) cnt(%d)\n",
ireg->cmsb, ireg->clsb, cnt);
ret = 1;goto reterror;
}
}
spin_lock_irqsave(&cs->lock, flags);
cs->debug = debug;
isar_setup(cs);
ret = 0;
reterr_unlock:
spin_unlock_irqrestore(&cs->lock, flags);
reterror:
cs->debug = debug;
if (ret)
/* disable ISAR IRQ */
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
kfree(msg);
kfree(tmpmsg);
return(ret);
}
#define B_LL_NOCARRIER 8
#define B_LL_CONNECT 9
#define B_LL_OK 10
static void
isar_bh(struct work_struct *work)
{
struct BCState *bcs = container_of(work, struct BCState, tqueue);
BChannel_bh(work);
if (test_and_clear_bit(B_LL_NOCARRIER, &bcs->event))
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_NOCARR);
if (test_and_clear_bit(B_LL_CONNECT, &bcs->event))
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
if (test_and_clear_bit(B_LL_OK, &bcs->event))
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_OK);
}
static void
send_DLE_ETX(struct BCState *bcs)
{
u_char dleetx[2] = {DLE,ETX};
struct sk_buff *skb;
if ((skb = dev_alloc_skb(2))) {
memcpy(skb_put(skb, 2), dleetx, 2);
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
} else {
printk(KERN_WARNING "HiSax: skb out of memory\n");
}
}
static inline int
dle_count(unsigned char *buf, int len)
{
int count = 0;
while (len--)
if (*buf++ == DLE)
count++;
return count;
}
static inline void
insert_dle(unsigned char *dest, unsigned char *src, int count) {
/* <DLE> in input stream have to be flagged as <DLE><DLE> */
while (count--) {
*dest++ = *src;
if (*src++ == DLE)
*dest++ = DLE;
}
}
static void
isar_rcv_frame(struct IsdnCardState *cs, struct BCState *bcs)
{
u_char *ptr;
struct sk_buff *skb;
struct isar_reg *ireg = bcs->hw.isar.reg;
if (!ireg->clsb) {
debugl1(cs, "isar zero len frame");
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
return;
}
switch (bcs->mode) {
case L1_MODE_NULL:
debugl1(cs, "isar mode 0 spurious IIS_RDATA %x/%x/%x",
ireg->iis, ireg->cmsb, ireg->clsb);
printk(KERN_WARNING"isar mode 0 spurious IIS_RDATA %x/%x/%x\n",
ireg->iis, ireg->cmsb, ireg->clsb);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
break;
case L1_MODE_TRANS:
case L1_MODE_V32:
if ((skb = dev_alloc_skb(ireg->clsb))) {
rcv_mbox(cs, ireg, (u_char *)skb_put(skb, ireg->clsb));
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
} else {
printk(KERN_WARNING "HiSax: skb out of memory\n");
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
}
break;
case L1_MODE_HDLC:
if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: incoming packet too large");
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
bcs->hw.isar.rcvidx = 0;
} else if (ireg->cmsb & HDLC_ERROR) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar frame error %x len %d",
ireg->cmsb, ireg->clsb);
#ifdef ERROR_STATISTIC
if (ireg->cmsb & HDLC_ERR_RER)
bcs->err_inv++;
if (ireg->cmsb & HDLC_ERR_CER)
bcs->err_crc++;
#endif
bcs->hw.isar.rcvidx = 0;
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
} else {
if (ireg->cmsb & HDLC_FSD)
bcs->hw.isar.rcvidx = 0;
ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
bcs->hw.isar.rcvidx += ireg->clsb;
rcv_mbox(cs, ireg, ptr);
if (ireg->cmsb & HDLC_FED) {
if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar frame to short %d",
bcs->hw.isar.rcvidx);
} else if (!(skb = dev_alloc_skb(bcs->hw.isar.rcvidx-2))) {
printk(KERN_WARNING "ISAR: receive out of memory\n");
} else {
memcpy(skb_put(skb, bcs->hw.isar.rcvidx-2),
bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx-2);
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
}
bcs->hw.isar.rcvidx = 0;
}
}
break;
case L1_MODE_FAX:
if (bcs->hw.isar.state != STFAX_ACTIV) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: not ACTIV");
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
bcs->hw.isar.rcvidx = 0;
break;
}
if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
rcv_mbox(cs, ireg, bcs->hw.isar.rcvbuf);
bcs->hw.isar.rcvidx = ireg->clsb +
dle_count(bcs->hw.isar.rcvbuf, ireg->clsb);
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar_rcv_frame: raw(%d) dle(%d)",
ireg->clsb, bcs->hw.isar.rcvidx);
if ((skb = dev_alloc_skb(bcs->hw.isar.rcvidx))) {
insert_dle((u_char *)skb_put(skb, bcs->hw.isar.rcvidx),
bcs->hw.isar.rcvbuf, ireg->clsb);
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
if (ireg->cmsb & SART_NMD) { /* ABORT */
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: no more data");
bcs->hw.isar.rcvidx = 0;
send_DLE_ETX(bcs);
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
0, NULL);
bcs->hw.isar.state = STFAX_ESCAPE;
schedule_event(bcs, B_LL_NOCARRIER);
}
} else {
printk(KERN_WARNING "HiSax: skb out of memory\n");
}
break;
}
if (bcs->hw.isar.cmd != PCTRL_CMD_FRH) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: unknown fax mode %x",
bcs->hw.isar.cmd);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
bcs->hw.isar.rcvidx = 0;
break;
}
/* PCTRL_CMD_FRH */
if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: incoming packet too large");
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
bcs->hw.isar.rcvidx = 0;
} else if (ireg->cmsb & HDLC_ERROR) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar frame error %x len %d",
ireg->cmsb, ireg->clsb);
bcs->hw.isar.rcvidx = 0;
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
} else {
if (ireg->cmsb & HDLC_FSD) {
bcs->hw.isar.rcvidx = 0;
}
ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
bcs->hw.isar.rcvidx += ireg->clsb;
rcv_mbox(cs, ireg, ptr);
if (ireg->cmsb & HDLC_FED) {
int len = bcs->hw.isar.rcvidx +
dle_count(bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx);
if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar frame to short %d",
bcs->hw.isar.rcvidx);
printk(KERN_WARNING "ISAR: frame to short %d\n",
bcs->hw.isar.rcvidx);
} else if (!(skb = dev_alloc_skb(len))) {
printk(KERN_WARNING "ISAR: receive out of memory\n");
} else {
insert_dle((u_char *)skb_put(skb, len),
bcs->hw.isar.rcvbuf,
bcs->hw.isar.rcvidx);
skb_queue_tail(&bcs->rqueue, skb);
schedule_event(bcs, B_RCVBUFREADY);
send_DLE_ETX(bcs);
schedule_event(bcs, B_LL_OK);
test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
}
bcs->hw.isar.rcvidx = 0;
}
}
if (ireg->cmsb & SART_NMD) { /* ABORT */
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_rcv_frame: no more data");
bcs->hw.isar.rcvidx = 0;
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
bcs->hw.isar.state = STFAX_ESCAPE;
if (test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag)) {
send_DLE_ETX(bcs);
schedule_event(bcs, B_LL_NOCARRIER);
}
}
break;
default:
printk(KERN_ERR"isar_rcv_frame mode (%x)error\n", bcs->mode);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
break;
}
}
void
isar_fill_fifo(struct BCState *bcs)
{
struct IsdnCardState *cs = bcs->cs;
int count;
u_char msb;
u_char *ptr;
if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
debugl1(cs, "isar_fill_fifo");
if (!bcs->tx_skb)
return;
if (bcs->tx_skb->len <= 0)
return;
if (!(bcs->hw.isar.reg->bstat &
(bcs->hw.isar.dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
return;
if (bcs->tx_skb->len > bcs->hw.isar.mml) {
msb = 0;
count = bcs->hw.isar.mml;
} else {
count = bcs->tx_skb->len;
msb = HDLC_FED;
}
ptr = bcs->tx_skb->data;
if (!bcs->hw.isar.txcnt) {
msb |= HDLC_FST;
if ((bcs->mode == L1_MODE_FAX) &&
(bcs->hw.isar.cmd == PCTRL_CMD_FTH)) {
if (bcs->tx_skb->len > 1) {
if ((ptr[0]== 0xff) && (ptr[1] == 0x13))
/* last frame */
test_and_set_bit(BC_FLG_LASTDATA,
&bcs->Flag);
}
}
}
skb_pull(bcs->tx_skb, count);
bcs->tx_cnt -= count;
bcs->hw.isar.txcnt += count;
switch (bcs->mode) {
case L1_MODE_NULL:
printk(KERN_ERR"isar_fill_fifo wrong mode 0\n");
break;
case L1_MODE_TRANS:
case L1_MODE_V32:
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
0, count, ptr);
break;
case L1_MODE_HDLC:
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
msb, count, ptr);
break;
case L1_MODE_FAX:
if (bcs->hw.isar.state != STFAX_ACTIV) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_fill_fifo: not ACTIV");
} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
msb, count, ptr);
} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
0, count, ptr);
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar_fill_fifo: not FTH/FTM");
}
break;
default:
if (cs->debug)
debugl1(cs, "isar_fill_fifo mode(%x) error", bcs->mode);
printk(KERN_ERR"isar_fill_fifo mode(%x) error\n", bcs->mode);
break;
}
}
static inline
struct BCState *sel_bcs_isar(struct IsdnCardState *cs, u_char dpath)
{
if ((!dpath) || (dpath == 3))
return(NULL);
if (cs->bcs[0].hw.isar.dpath == dpath)
return(&cs->bcs[0]);
if (cs->bcs[1].hw.isar.dpath == dpath)
return(&cs->bcs[1]);
return(NULL);
}
static void
send_frames(struct BCState *bcs)
{
if (bcs->tx_skb) {
if (bcs->tx_skb->len) {
isar_fill_fifo(bcs);
return;
} else {
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->hw.isar.txcnt;
spin_unlock_irqrestore(&bcs->aclock, flags);
schedule_event(bcs, B_ACKPENDING);
}
if (bcs->mode == L1_MODE_FAX) {
if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
if (test_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
}
} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
if (test_bit(BC_FLG_DLEETX, &bcs->Flag)) {
test_and_set_bit(BC_FLG_LASTDATA, &bcs->Flag);
test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
}
}
}
dev_kfree_skb_any(bcs->tx_skb);
bcs->hw.isar.txcnt = 0;
bcs->tx_skb = NULL;
}
}
if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
bcs->hw.isar.txcnt = 0;
test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
isar_fill_fifo(bcs);
} else {
if (test_and_clear_bit(BC_FLG_DLEETX, &bcs->Flag)) {
if (test_and_clear_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
if (test_and_clear_bit(BC_FLG_NMD_DATA, &bcs->Flag)) {
u_char dummy = 0;
sendmsg(bcs->cs, SET_DPS(bcs->hw.isar.dpath) |
ISAR_HIS_SDATA, 0x01, 1, &dummy);
}
test_and_set_bit(BC_FLG_LL_OK, &bcs->Flag);
} else {
schedule_event(bcs, B_LL_CONNECT);
}
}
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
schedule_event(bcs, B_XMTBUFREADY);
}
}
static inline void
check_send(struct IsdnCardState *cs, u_char rdm)
{
struct BCState *bcs;
if (rdm & BSTAT_RDM1) {
if ((bcs = sel_bcs_isar(cs, 1))) {
if (bcs->mode) {
send_frames(bcs);
}
}
}
if (rdm & BSTAT_RDM2) {
if ((bcs = sel_bcs_isar(cs, 2))) {
if (bcs->mode) {
send_frames(bcs);
}
}
}
}
static const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200",
"NODEF4", "300", "600", "1200", "2400",
"4800", "7200", "9600nt", "9600t", "12000",
"14400", "WRONG"};
static const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21",
"Bell103", "V23", "Bell202", "V17", "V29",
"V27ter"};
static void
isar_pump_status_rsp(struct BCState *bcs, struct isar_reg *ireg) {
struct IsdnCardState *cs = bcs->cs;
u_char ril = ireg->par[0];
u_char rim;
if (!test_and_clear_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags))
return;
if (ril > 14) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "wrong pstrsp ril=%d",ril);
ril = 15;
}
switch(ireg->par[1]) {
case 0:
rim = 0;
break;
case 0x20:
rim = 2;
break;
case 0x40:
rim = 3;
break;
case 0x41:
rim = 4;
break;
case 0x51:
rim = 5;
break;
case 0x61:
rim = 6;
break;
case 0x71:
rim = 7;
break;
case 0x82:
rim = 8;
break;
case 0x92:
rim = 9;
break;
case 0xa2:
rim = 10;
break;
default:
rim = 1;
break;
}
sprintf(bcs->hw.isar.conmsg,"%s %s", dmril[ril], dmrim[rim]);
bcs->conmsg = bcs->hw.isar.conmsg;
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump strsp %s", bcs->conmsg);
}
static void
isar_pump_statev_modem(struct BCState *bcs, u_char devt) {
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
switch(devt) {
case PSEV_10MS_TIMER:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev TIMER");
break;
case PSEV_CON_ON:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev CONNECT");
l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
break;
case PSEV_CON_OFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev NO CONNECT");
sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
l1_msg_b(bcs->st, PH_DEACTIVATE | REQUEST, NULL);
break;
case PSEV_V24_OFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev V24 OFF");
break;
case PSEV_CTS_ON:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev CTS ON");
break;
case PSEV_CTS_OFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev CTS OFF");
break;
case PSEV_DCD_ON:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev CARRIER ON");
test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
break;
case PSEV_DCD_OFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev CARRIER OFF");
break;
case PSEV_DSR_ON:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev DSR ON");
break;
case PSEV_DSR_OFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev DSR_OFF");
break;
case PSEV_REM_RET:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev REMOTE RETRAIN");
break;
case PSEV_REM_REN:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev REMOTE RENEGOTIATE");
break;
case PSEV_GSTN_CLR:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev GSTN CLEAR", devt);
break;
default:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "unknown pump stev %x", devt);
break;
}
}
static void
ll_deliver_faxstat(struct BCState *bcs, u_char status)
{
isdn_ctrl ic;
struct Channel *chanp = (struct Channel *) bcs->st->lli.userdata;
if (bcs->cs->debug & L1_DEB_HSCX)
debugl1(bcs->cs, "HL->LL FAXIND %x", status);
ic.driver = bcs->cs->myid;
ic.command = ISDN_STAT_FAXIND;
ic.arg = chanp->chan;
ic.parm.aux.cmd = status;
bcs->cs->iif.statcallb(&ic);
}
static void
isar_pump_statev_fax(struct BCState *bcs, u_char devt) {
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
u_char p1;
switch(devt) {
case PSEV_10MS_TIMER:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev TIMER");
break;
case PSEV_RSP_READY:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_READY");
bcs->hw.isar.state = STFAX_READY;
l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FRH, 3);
} else {
isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FTH, 3);
}
break;
case PSEV_LINE_TX_H:
if (bcs->hw.isar.state == STFAX_LINE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev LINE_TX_H");
bcs->hw.isar.state = STFAX_CONT;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "pump stev LINE_TX_H wrong st %x",
bcs->hw.isar.state);
}
break;
case PSEV_LINE_RX_H:
if (bcs->hw.isar.state == STFAX_LINE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev LINE_RX_H");
bcs->hw.isar.state = STFAX_CONT;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "pump stev LINE_RX_H wrong st %x",
bcs->hw.isar.state);
}
break;
case PSEV_LINE_TX_B:
if (bcs->hw.isar.state == STFAX_LINE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev LINE_TX_B");
bcs->hw.isar.state = STFAX_CONT;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "pump stev LINE_TX_B wrong st %x",
bcs->hw.isar.state);
}
break;
case PSEV_LINE_RX_B:
if (bcs->hw.isar.state == STFAX_LINE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev LINE_RX_B");
bcs->hw.isar.state = STFAX_CONT;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "pump stev LINE_RX_B wrong st %x",
bcs->hw.isar.state);
}
break;
case PSEV_RSP_CONN:
if (bcs->hw.isar.state == STFAX_CONT) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_CONN");
bcs->hw.isar.state = STFAX_ACTIV;
test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
/* 1s Flags before data */
if (test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag))
del_timer(&bcs->hw.isar.ftimer);
/* 1000 ms */
bcs->hw.isar.ftimer.expires =
jiffies + ((1000 * HZ)/1000);
test_and_set_bit(BC_FLG_LL_CONN,
&bcs->Flag);
add_timer(&bcs->hw.isar.ftimer);
} else {
schedule_event(bcs, B_LL_CONNECT);
}
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "pump stev RSP_CONN wrong st %x",
bcs->hw.isar.state);
}
break;
case PSEV_FLAGS_DET:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev FLAGS_DET");
break;
case PSEV_RSP_DISC:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_DISC");
if (bcs->hw.isar.state == STFAX_ESCAPE) {
p1 = 5;
switch(bcs->hw.isar.newcmd) {
case 0:
bcs->hw.isar.state = STFAX_READY;
break;
case PCTRL_CMD_FTM:
p1 = 2;
case PCTRL_CMD_FTH:
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
PCTRL_CMD_SILON, 1, &p1);
bcs->hw.isar.state = STFAX_SILDET;
break;
case PCTRL_CMD_FRM:
if (frm_extra_delay)
mdelay(frm_extra_delay);
case PCTRL_CMD_FRH:
p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
bcs->hw.isar.newcmd = 0;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
bcs->hw.isar.cmd, 1, &p1);
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.try_mod = 3;
break;
default:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "RSP_DISC unknown newcmd %x", bcs->hw.isar.newcmd);
break;
}
} else if (bcs->hw.isar.state == STFAX_ACTIV) {
if (test_and_clear_bit(BC_FLG_LL_OK, &bcs->Flag)) {
schedule_event(bcs, B_LL_OK);
} else if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
send_DLE_ETX(bcs);
schedule_event(bcs, B_LL_NOCARRIER);
} else {
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
}
bcs->hw.isar.state = STFAX_READY;
} else {
bcs->hw.isar.state = STFAX_READY;
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
}
break;
case PSEV_RSP_SILDET:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_SILDET");
if (bcs->hw.isar.state == STFAX_SILDET) {
p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
bcs->hw.isar.newcmd = 0;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
bcs->hw.isar.cmd, 1, &p1);
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.try_mod = 3;
}
break;
case PSEV_RSP_SILOFF:
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_SILOFF");
break;
case PSEV_RSP_FCERR:
if (bcs->hw.isar.state == STFAX_LINE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_FCERR try %d",
bcs->hw.isar.try_mod);
if (bcs->hw.isar.try_mod--) {
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
bcs->hw.isar.cmd, 1,
&bcs->hw.isar.mod);
break;
}
}
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev RSP_FCERR");
bcs->hw.isar.state = STFAX_ESCAPE;
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
break;
default:
break;
}
}
static char debbuf[128];
void
isar_int_main(struct IsdnCardState *cs)
{
struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
struct BCState *bcs;
get_irq_infos(cs, ireg);
switch (ireg->iis & ISAR_IIS_MSCMSD) {
case ISAR_IIS_RDATA:
if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
isar_rcv_frame(cs, bcs);
} else {
debugl1(cs, "isar spurious IIS_RDATA %x/%x/%x",
ireg->iis, ireg->cmsb, ireg->clsb);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
}
break;
case ISAR_IIS_GSTEV:
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
ireg->bstat |= ireg->cmsb;
check_send(cs, ireg->cmsb);
break;
case ISAR_IIS_BSTEV:
#ifdef ERROR_STATISTIC
if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
if (ireg->cmsb == BSTEV_TBO)
bcs->err_tx++;
if (ireg->cmsb == BSTEV_RBO)
bcs->err_rdo++;
}
#endif
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "Buffer STEV dpath%d msb(%x)",
ireg->iis>>6, ireg->cmsb);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
break;
case ISAR_IIS_PSTEV:
if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
rcv_mbox(cs, ireg, (u_char *)ireg->par);
if (bcs->mode == L1_MODE_V32) {
isar_pump_statev_modem(bcs, ireg->cmsb);
} else if (bcs->mode == L1_MODE_FAX) {
isar_pump_statev_fax(bcs, ireg->cmsb);
} else if (ireg->cmsb == PSEV_10MS_TIMER) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "pump stev TIMER");
} else {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "isar IIS_PSTEV pmode %d stat %x",
bcs->mode, ireg->cmsb);
}
} else {
debugl1(cs, "isar spurious IIS_PSTEV %x/%x/%x",
ireg->iis, ireg->cmsb, ireg->clsb);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
}
break;
case ISAR_IIS_PSTRSP:
if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
rcv_mbox(cs, ireg, (u_char *)ireg->par);
isar_pump_status_rsp(bcs, ireg);
} else {
debugl1(cs, "isar spurious IIS_PSTRSP %x/%x/%x",
ireg->iis, ireg->cmsb, ireg->clsb);
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
}
break;
case ISAR_IIS_DIAG:
case ISAR_IIS_BSTRSP:
case ISAR_IIS_IOM2RSP:
rcv_mbox(cs, ireg, (u_char *)ireg->par);
if ((cs->debug & (L1_DEB_HSCX | L1_DEB_HSCX_FIFO))
== L1_DEB_HSCX) {
u_char *tp=debbuf;
tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
ireg->iis, ireg->cmsb);
QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
debugl1(cs, debbuf);
}
break;
case ISAR_IIS_INVMSG:
rcv_mbox(cs, ireg, debbuf);
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "invalid msg his:%x",
ireg->cmsb);
break;
default:
rcv_mbox(cs, ireg, debbuf);
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "unhandled msg iis(%x) ctrl(%x/%x)",
ireg->iis, ireg->cmsb, ireg->clsb);
break;
}
}
static void
ftimer_handler(struct BCState *bcs) {
if (bcs->cs->debug)
debugl1(bcs->cs, "ftimer flags %04x",
bcs->Flag);
test_and_clear_bit(BC_FLG_FTI_RUN, &bcs->Flag);
if (test_and_clear_bit(BC_FLG_LL_CONN, &bcs->Flag)) {
schedule_event(bcs, B_LL_CONNECT);
}
if (test_and_clear_bit(BC_FLG_FTI_FTS, &bcs->Flag)) {
schedule_event(bcs, B_LL_OK);
}
}
static void
setup_pump(struct BCState *bcs) {
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
u_char ctrl, param[6];
switch (bcs->mode) {
case L1_MODE_NULL:
case L1_MODE_TRANS:
case L1_MODE_HDLC:
sendmsg(cs, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL);
break;
case L1_MODE_V32:
ctrl = PMOD_DATAMODEM;
if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
ctrl |= PCTRL_ORIG;
param[5] = PV32P6_CTN;
} else {
param[5] = PV32P6_ATN;
}
param[0] = para_TOA; /* 6 db */
param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B |
PV32P2_V22C | PV32P2_V21 | PV32P2_BEL;
param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B;
param[3] = PV32P4_UT144;
param[4] = PV32P5_UT144;
sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param);
break;
case L1_MODE_FAX:
ctrl = PMOD_FAX;
if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
ctrl |= PCTRL_ORIG;
param[1] = PFAXP2_CTN;
} else {
param[1] = PFAXP2_ATN;
}
param[0] = para_TOA; /* 6 db */
sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param);
bcs->hw.isar.state = STFAX_NULL;
bcs->hw.isar.newcmd = 0;
bcs->hw.isar.newmod = 0;
test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag);
break;
}
udelay(1000);
sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
udelay(1000);
}
static void
setup_sart(struct BCState *bcs) {
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
u_char ctrl, param[2];
switch (bcs->mode) {
case L1_MODE_NULL:
sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0,
NULL);
break;
case L1_MODE_TRANS:
sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2,
"\0\0");
break;
case L1_MODE_HDLC:
param[0] = 0;
sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1,
param);
break;
case L1_MODE_V32:
ctrl = SMODE_V14 | SCTRL_HDMC_BOTH;
param[0] = S_P1_CHS_8;
param[1] = S_P2_BFT_DEF;
sendmsg(cs, dps | ISAR_HIS_SARTCFG, ctrl, 2,
param);
break;
case L1_MODE_FAX:
/* SART must not configured with FAX */
break;
}
udelay(1000);
sendmsg(cs, dps | ISAR_HIS_BSTREQ, 0, 0, NULL);
udelay(1000);
}
static void
setup_iom2(struct BCState *bcs) {
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
u_char cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD,0,0,0,0};
if (bcs->channel)
msg[1] = msg[3] = 1;
switch (bcs->mode) {
case L1_MODE_NULL:
cmsb = 0;
/* dummy slot */
msg[1] = msg[3] = bcs->hw.isar.dpath + 2;
break;
case L1_MODE_TRANS:
case L1_MODE_HDLC:
break;
case L1_MODE_V32:
case L1_MODE_FAX:
cmsb |= IOM_CTRL_ALAW | IOM_CTRL_RCV;
break;
}
sendmsg(cs, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg);
udelay(1000);
sendmsg(cs, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL);
udelay(1000);
}
static int
modeisar(struct BCState *bcs, int mode, int bc)
{
struct IsdnCardState *cs = bcs->cs;
/* Here we are selecting the best datapath for requested mode */
if(bcs->mode == L1_MODE_NULL) { /* New Setup */
bcs->channel = bc;
switch (mode) {
case L1_MODE_NULL: /* init */
if (!bcs->hw.isar.dpath)
/* no init for dpath 0 */
return(0);
break;
case L1_MODE_TRANS:
case L1_MODE_HDLC:
/* best is datapath 2 */
if (!test_and_set_bit(ISAR_DP2_USE,
&bcs->hw.isar.reg->Flags))
bcs->hw.isar.dpath = 2;
else if (!test_and_set_bit(ISAR_DP1_USE,
&bcs->hw.isar.reg->Flags))
bcs->hw.isar.dpath = 1;
else {
printk(KERN_WARNING"isar modeisar both pathes in use\n");
return(1);
}
break;
case L1_MODE_V32:
case L1_MODE_FAX:
/* only datapath 1 */
if (!test_and_set_bit(ISAR_DP1_USE,
&bcs->hw.isar.reg->Flags))
bcs->hw.isar.dpath = 1;
else {
printk(KERN_WARNING"isar modeisar analog funktions only with DP1\n");
debugl1(cs, "isar modeisar analog funktions only with DP1");
return(1);
}
break;
}
}
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar dp%d mode %d->%d ichan %d",
bcs->hw.isar.dpath, bcs->mode, mode, bc);
bcs->mode = mode;
setup_pump(bcs);
setup_iom2(bcs);
setup_sart(bcs);
if (bcs->mode == L1_MODE_NULL) {
/* Clear resources */
if (bcs->hw.isar.dpath == 1)
test_and_clear_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags);
else if (bcs->hw.isar.dpath == 2)
test_and_clear_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags);
bcs->hw.isar.dpath = 0;
}
return(0);
}
static void
isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para)
{
struct IsdnCardState *cs = bcs->cs;
u_char dps = SET_DPS(bcs->hw.isar.dpath);
u_char ctrl = 0, nom = 0, p1 = 0;
switch(cmd) {
case ISDN_FAX_CLASS1_FTM:
test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
if (bcs->hw.isar.state == STFAX_READY) {
p1 = para;
ctrl = PCTRL_CMD_FTM;
nom = 1;
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.cmd = ctrl;
bcs->hw.isar.mod = para;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.newcmd = 0;
bcs->hw.isar.try_mod = 3;
} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
(bcs->hw.isar.cmd == PCTRL_CMD_FTM) &&
(bcs->hw.isar.mod == para)) {
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
} else {
bcs->hw.isar.newmod = para;
bcs->hw.isar.newcmd = PCTRL_CMD_FTM;
nom = 0;
ctrl = PCTRL_CMD_ESC;
bcs->hw.isar.state = STFAX_ESCAPE;
}
break;
case ISDN_FAX_CLASS1_FTH:
test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
if (bcs->hw.isar.state == STFAX_READY) {
p1 = para;
ctrl = PCTRL_CMD_FTH;
nom = 1;
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.cmd = ctrl;
bcs->hw.isar.mod = para;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.newcmd = 0;
bcs->hw.isar.try_mod = 3;
} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
(bcs->hw.isar.cmd == PCTRL_CMD_FTH) &&
(bcs->hw.isar.mod == para)) {
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
} else {
bcs->hw.isar.newmod = para;
bcs->hw.isar.newcmd = PCTRL_CMD_FTH;
nom = 0;
ctrl = PCTRL_CMD_ESC;
bcs->hw.isar.state = STFAX_ESCAPE;
}
break;
case ISDN_FAX_CLASS1_FRM:
test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
if (bcs->hw.isar.state == STFAX_READY) {
p1 = para;
ctrl = PCTRL_CMD_FRM;
nom = 1;
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.cmd = ctrl;
bcs->hw.isar.mod = para;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.newcmd = 0;
bcs->hw.isar.try_mod = 3;
} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
(bcs->hw.isar.cmd == PCTRL_CMD_FRM) &&
(bcs->hw.isar.mod == para)) {
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
} else {
bcs->hw.isar.newmod = para;
bcs->hw.isar.newcmd = PCTRL_CMD_FRM;
nom = 0;
ctrl = PCTRL_CMD_ESC;
bcs->hw.isar.state = STFAX_ESCAPE;
}
break;
case ISDN_FAX_CLASS1_FRH:
test_and_set_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
if (bcs->hw.isar.state == STFAX_READY) {
p1 = para;
ctrl = PCTRL_CMD_FRH;
nom = 1;
bcs->hw.isar.state = STFAX_LINE;
bcs->hw.isar.cmd = ctrl;
bcs->hw.isar.mod = para;
bcs->hw.isar.newmod = 0;
bcs->hw.isar.newcmd = 0;
bcs->hw.isar.try_mod = 3;
} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
(bcs->hw.isar.cmd == PCTRL_CMD_FRH) &&
(bcs->hw.isar.mod == para)) {
ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
} else {
bcs->hw.isar.newmod = para;
bcs->hw.isar.newcmd = PCTRL_CMD_FRH;
nom = 0;
ctrl = PCTRL_CMD_ESC;
bcs->hw.isar.state = STFAX_ESCAPE;
}
break;
case ISDN_FAXPUMP_HALT:
bcs->hw.isar.state = STFAX_NULL;
nom = 0;
ctrl = PCTRL_CMD_HALT;
break;
}
if (ctrl)
sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1);
}
static void
isar_setup(struct IsdnCardState *cs)
{
u_char msg;
int i;
/* Dpath 1, 2 */
msg = 61;
for (i=0; i<2; i++) {
/* Buffer Config */
sendmsg(cs, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
ISAR_HIS_P12CFG, 4, 1, &msg);
cs->bcs[i].hw.isar.mml = msg;
cs->bcs[i].mode = 0;
cs->bcs[i].hw.isar.dpath = i + 1;
modeisar(&cs->bcs[i], 0, 0);
INIT_WORK(&cs->bcs[i].tqueue, isar_bh);
}
}
static void
isar_l2l1(struct PStack *st, int pr, void *arg)
{
struct BCState *bcs = st->l1.bcs;
struct sk_buff *skb = arg;
int ret;
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);
if (bcs->cs->debug & L1_DEB_HSCX)
debugl1(bcs->cs, "DRQ set BC_FLG_BUSY");
bcs->hw.isar.txcnt = 0;
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 "isar_l2l1: this shouldn't happen\n");
} else {
test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
if (bcs->cs->debug & L1_DEB_HSCX)
debugl1(bcs->cs, "PUI set BC_FLG_BUSY");
bcs->tx_skb = skb;
bcs->hw.isar.txcnt = 0;
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);
bcs->hw.isar.conmsg[0] = 0;
if (test_bit(FLG_ORIG, &st->l2.flag))
test_and_set_bit(BC_FLG_ORIG, &bcs->Flag);
else
test_and_clear_bit(BC_FLG_ORIG, &bcs->Flag);
switch(st->l1.mode) {
case L1_MODE_TRANS:
case L1_MODE_HDLC:
ret = modeisar(bcs, st->l1.mode, st->l1.bc);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
if (ret)
l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
else
l1_msg_b(st, PH_ACTIVATE | REQUEST, arg);
break;
case L1_MODE_V32:
case L1_MODE_FAX:
ret = modeisar(bcs, st->l1.mode, st->l1.bc);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
if (ret)
l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
break;
default:
spin_unlock_irqrestore(&bcs->cs->lock, flags);
break;
}
break;
case (PH_DEACTIVATE | REQUEST):
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | CONFIRM):
spin_lock_irqsave(&bcs->cs->lock, flags);
switch(st->l1.mode) {
case L1_MODE_TRANS:
case L1_MODE_HDLC:
case L1_MODE_V32:
break;
case L1_MODE_FAX:
isar_pump_cmd(bcs, ISDN_FAXPUMP_HALT, 0);
break;
}
test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
if (bcs->cs->debug & L1_DEB_HSCX)
debugl1(bcs->cs, "PDAC clear BC_FLG_BUSY");
modeisar(bcs, 0, st->l1.bc);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
break;
}
}
static void
close_isarstate(struct BCState *bcs)
{
modeisar(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
kfree(bcs->hw.isar.rcvbuf);
bcs->hw.isar.rcvbuf = NULL;
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);
if (bcs->cs->debug & L1_DEB_HSCX)
debugl1(bcs->cs, "closeisar clear BC_FLG_BUSY");
}
}
del_timer(&bcs->hw.isar.ftimer);
}
static int
open_isarstate(struct IsdnCardState *cs, struct BCState *bcs)
{
if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
if (!(bcs->hw.isar.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
printk(KERN_WARNING
"HiSax: No memory for isar.rcvbuf\n");
return (1);
}
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);
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "openisar clear BC_FLG_BUSY");
bcs->event = 0;
bcs->hw.isar.rcvidx = 0;
bcs->tx_cnt = 0;
return (0);
}
static int
setstack_isar(struct PStack *st, struct BCState *bcs)
{
bcs->channel = st->l1.bc;
if (open_isarstate(st->l1.hardware, bcs))
return (-1);
st->l1.bcs = bcs;
st->l2.l2l1 = isar_l2l1;
setstack_manager(st);
bcs->st = st;
setstack_l1_B(st);
return (0);
}
int
isar_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
u_long adr;
int features, i;
struct BCState *bcs;
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar_auxcmd cmd/ch %x/%d", ic->command, ic->arg);
switch (ic->command) {
case (ISDN_CMD_FAXCMD):
bcs = cs->channel[ic->arg].bcs;
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar_auxcmd cmd/subcmd %d/%d",
ic->parm.aux.cmd, ic->parm.aux.subcmd);
switch(ic->parm.aux.cmd) {
case ISDN_FAX_CLASS1_CTRL:
if (ic->parm.aux.subcmd == ETX)
test_and_set_bit(BC_FLG_DLEETX,
&bcs->Flag);
break;
case ISDN_FAX_CLASS1_FTS:
if (ic->parm.aux.subcmd == AT_QUERY) {
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
cs->iif.statcallb(ic);
return(0);
} else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
strcpy(ic->parm.aux.para, "0-255");
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
cs->iif.statcallb(ic);
return(0);
} else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar_auxcmd %s=%d",
FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
if (bcs->hw.isar.state == STFAX_READY) {
if (! ic->parm.aux.para[0]) {
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
cs->iif.statcallb(ic);
return(0);
}
if (! test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag)) {
/* n*10 ms */
bcs->hw.isar.ftimer.expires =
jiffies + ((ic->parm.aux.para[0] * 10 * HZ)/1000);
test_and_set_bit(BC_FLG_FTI_FTS, &bcs->Flag);
add_timer(&bcs->hw.isar.ftimer);
return(0);
} else {
if (cs->debug)
debugl1(cs, "isar FTS=%d and FTI busy",
ic->parm.aux.para[0]);
}
} else {
if (cs->debug)
debugl1(cs, "isar FTS=%d and isar.state not ready(%x)",
ic->parm.aux.para[0],bcs->hw.isar.state);
}
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
cs->iif.statcallb(ic);
}
break;
case ISDN_FAX_CLASS1_FRM:
case ISDN_FAX_CLASS1_FRH:
case ISDN_FAX_CLASS1_FTM:
case ISDN_FAX_CLASS1_FTH:
if (ic->parm.aux.subcmd == AT_QUERY) {
sprintf(ic->parm.aux.para,
"%d", bcs->hw.isar.mod);
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
cs->iif.statcallb(ic);
return(0);
} else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
char *p = ic->parm.aux.para;
for(i=0;i<FAXMODCNT;i++)
if ((1<<i) & modmask)
p += sprintf(p, "%d,", faxmodulation[i]);
p--;
*p=0;
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
cs->iif.statcallb(ic);
return(0);
} else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "isar_auxcmd %s=%d",
FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
for(i=0;i<FAXMODCNT;i++)
if (faxmodulation[i]==ic->parm.aux.para[0])
break;
if ((i < FAXMODCNT) && ((1<<i) & modmask) &&
test_bit(BC_FLG_INIT, &bcs->Flag)) {
isar_pump_cmd(bcs,
ic->parm.aux.cmd,
ic->parm.aux.para[0]);
return(0);
}
}
/* wrong modulation or not activ */
/* fall through */
default:
ic->command = ISDN_STAT_FAXIND;
ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
cs->iif.statcallb(ic);
}
break;
case (ISDN_CMD_IOCTL):
switch (ic->arg) {
case 9: /* load firmware */
features = ISDN_FEATURE_L2_MODEM |
ISDN_FEATURE_L2_FAX |
ISDN_FEATURE_L3_FCLASS1;
memcpy(&adr, ic->parm.num, sizeof(ulong));
if (isar_load_firmware(cs, (u_char __user *)adr))
return(1);
else
ll_run(cs, features);
break;
case 20:
features = *(unsigned int *) ic->parm.num;
printk(KERN_DEBUG "HiSax: max modulation old(%04x) new(%04x)\n",
modmask, features);
modmask = features;
break;
case 21:
features = *(unsigned int *) ic->parm.num;
printk(KERN_DEBUG "HiSax: FRM extra delay old(%d) new(%d) ms\n",
frm_extra_delay, features);
if (features >= 0)
frm_extra_delay = features;
break;
case 22:
features = *(unsigned int *) ic->parm.num;
printk(KERN_DEBUG "HiSax: TOA old(%d) new(%d) db\n",
para_TOA, features);
if (features >= 0 && features < 32)
para_TOA = features;
break;
default:
printk(KERN_DEBUG "HiSax: invalid ioctl %d\n",
(int) ic->arg);
return(-EINVAL);
}
break;
default:
return(-EINVAL);
}
return(0);
}
void initisar(struct IsdnCardState *cs)
{
cs->bcs[0].BC_SetStack = setstack_isar;
cs->bcs[1].BC_SetStack = setstack_isar;
cs->bcs[0].BC_Close = close_isarstate;
cs->bcs[1].BC_Close = close_isarstate;
cs->bcs[0].hw.isar.ftimer.function = (void *) ftimer_handler;
cs->bcs[0].hw.isar.ftimer.data = (long) &cs->bcs[0];
init_timer(&cs->bcs[0].hw.isar.ftimer);
cs->bcs[1].hw.isar.ftimer.function = (void *) ftimer_handler;
cs->bcs[1].hw.isar.ftimer.data = (long) &cs->bcs[1];
init_timer(&cs->bcs[1].hw.isar.ftimer);
}
