diff options
Diffstat (limited to 'drivers/isdn/hisax/icc.c')
| -rw-r--r-- | drivers/isdn/hisax/icc.c | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/drivers/isdn/hisax/icc.c b/drivers/isdn/hisax/icc.c deleted file mode 100644 index 831dd1bb81ef..000000000000 --- a/drivers/isdn/hisax/icc.c +++ /dev/null @@ -1,680 +0,0 @@ -/* $Id: icc.c,v 1.8.2.3 2004/01/13 14:31:25 keil Exp $ - * - * ICC specific routines - * - * Author Matt Henderson & Guy Ellis - * Copyright by Traverse Technologies Pty Ltd, www.travers.com.au - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - * 1999.6.25 Initial implementation of routines for Siemens ISDN - * Communication Controller PEB 2070 based on the ISAC routines - * written by Karsten Keil. - * - */ - -#include <linux/init.h> -#include "hisax.h" -#include "icc.h" -// #include "arcofi.h" -#include "isdnl1.h" -#include <linux/interrupt.h> -#include <linux/slab.h> - -#define DBUSY_TIMER_VALUE 80 -#define ARCOFI_USE 0 - -static char *ICCVer[] = -{"2070 A1/A3", "2070 B1", "2070 B2/B3", "2070 V2.4"}; - -void -ICCVersion(struct IsdnCardState *cs, char *s) -{ - int val; - - val = cs->readisac(cs, ICC_RBCH); - printk(KERN_INFO "%s ICC version (%x): %s\n", s, val, ICCVer[(val >> 5) & 3]); -} - -static void -ph_command(struct IsdnCardState *cs, unsigned int command) -{ - if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ph_command %x", command); - cs->writeisac(cs, ICC_CIX0, (command << 2) | 3); -} - - -static void -icc_new_ph(struct IsdnCardState *cs) -{ - switch (cs->dc.icc.ph_state) { - case (ICC_IND_EI1): - ph_command(cs, ICC_CMD_DI); - l1_msg(cs, HW_RESET | INDICATION, NULL); - break; - case (ICC_IND_DC): - l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL); - break; - case (ICC_IND_DR): - l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL); - break; - case (ICC_IND_PU): - l1_msg(cs, HW_POWERUP | CONFIRM, NULL); - break; - case (ICC_IND_FJ): - l1_msg(cs, HW_RSYNC | INDICATION, NULL); - break; - case (ICC_IND_AR): - l1_msg(cs, HW_INFO2 | INDICATION, NULL); - break; - case (ICC_IND_AI): - l1_msg(cs, HW_INFO4 | INDICATION, NULL); - break; - default: - break; - } -} - -static void -icc_bh(struct work_struct *work) -{ - struct IsdnCardState *cs = - container_of(work, struct IsdnCardState, tqueue); - struct PStack *stptr; - - if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) { - if (cs->debug) - debugl1(cs, "D-Channel Busy cleared"); - stptr = cs->stlist; - while (stptr != NULL) { - stptr->l1.l1l2(stptr, PH_PAUSE | CONFIRM, NULL); - stptr = stptr->next; - } - } - if (test_and_clear_bit(D_L1STATECHANGE, &cs->event)) - icc_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 ARCOFI_USE - if (!test_bit(HW_ARCOFI, &cs->HW_Flags)) - return; - 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); -#endif -} - -static void -icc_empty_fifo(struct IsdnCardState *cs, int count) -{ - u_char *ptr; - - if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO)) - debugl1(cs, "icc_empty_fifo"); - - if ((cs->rcvidx + count) >= MAX_DFRAME_LEN_L1) { - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "icc_empty_fifo overrun %d", - cs->rcvidx + count); - cs->writeisac(cs, ICC_CMDR, 0x80); - cs->rcvidx = 0; - return; - } - ptr = cs->rcvbuf + cs->rcvidx; - cs->rcvidx += count; - cs->readisacfifo(cs, ptr, count); - cs->writeisac(cs, ICC_CMDR, 0x80); - if (cs->debug & L1_DEB_ISAC_FIFO) { - char *t = cs->dlog; - - t += sprintf(t, "icc_empty_fifo cnt %d", count); - QuickHex(t, ptr, count); - debugl1(cs, "%s", cs->dlog); - } -} - -static void -icc_fill_fifo(struct IsdnCardState *cs) -{ - int count, more; - u_char *ptr; - - if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO)) - debugl1(cs, "icc_fill_fifo"); - - if (!cs->tx_skb) - return; - - count = cs->tx_skb->len; - if (count <= 0) - return; - - more = 0; - if (count > 32) { - more = !0; - count = 32; - } - ptr = cs->tx_skb->data; - skb_pull(cs->tx_skb, count); - cs->tx_cnt += count; - cs->writeisacfifo(cs, ptr, count); - cs->writeisac(cs, ICC_CMDR, more ? 0x8 : 0xa); - if (test_and_set_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) { - debugl1(cs, "icc_fill_fifo dbusytimer running"); - del_timer(&cs->dbusytimer); - } - cs->dbusytimer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ)/1000); - add_timer(&cs->dbusytimer); - if (cs->debug & L1_DEB_ISAC_FIFO) { - char *t = cs->dlog; - - t += sprintf(t, "icc_fill_fifo cnt %d", count); - QuickHex(t, ptr, count); - debugl1(cs, "%s", cs->dlog); - } -} - -void -icc_interrupt(struct IsdnCardState *cs, u_char val) -{ - u_char exval, v1; - struct sk_buff *skb; - unsigned int count; - - if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ICC interrupt %x", val); - if (val & 0x80) { /* RME */ - exval = cs->readisac(cs, ICC_RSTA); - if ((exval & 0x70) != 0x20) { - if (exval & 0x40) { - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC RDO"); -#ifdef ERROR_STATISTIC - cs->err_rx++; -#endif - } - if (!(exval & 0x20)) { - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC CRC error"); -#ifdef ERROR_STATISTIC - cs->err_crc++; -#endif - } - cs->writeisac(cs, ICC_CMDR, 0x80); - } else { - count = cs->readisac(cs, ICC_RBCL) & 0x1f; - if (count == 0) - count = 32; - icc_empty_fifo(cs, count); - if ((count = cs->rcvidx) > 0) { - cs->rcvidx = 0; - if (!(skb = alloc_skb(count, GFP_ATOMIC))) - printk(KERN_WARNING "HiSax: D receive out of memory\n"); - else { - skb_put_data(skb, cs->rcvbuf, count); - skb_queue_tail(&cs->rq, skb); - } - } - } - cs->rcvidx = 0; - schedule_event(cs, D_RCVBUFREADY); - } - if (val & 0x40) { /* RPF */ - icc_empty_fifo(cs, 32); - } - if (val & 0x20) { /* RSC */ - /* never */ - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC RSC interrupt"); - } - if (val & 0x10) { /* XPR */ - 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)) - schedule_event(cs, D_CLEARBUSY); - if (cs->tx_skb) { - if (cs->tx_skb->len) { - icc_fill_fifo(cs); - goto afterXPR; - } else { - dev_kfree_skb_irq(cs->tx_skb); - cs->tx_cnt = 0; - cs->tx_skb = NULL; - } - } - if ((cs->tx_skb = skb_dequeue(&cs->sq))) { - cs->tx_cnt = 0; - icc_fill_fifo(cs); - } else - schedule_event(cs, D_XMTBUFREADY); - } -afterXPR: - if (val & 0x04) { /* CISQ */ - exval = cs->readisac(cs, ICC_CIR0); - if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ICC CIR0 %02X", exval); - if (exval & 2) { - cs->dc.icc.ph_state = (exval >> 2) & 0xf; - if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ph_state change %x", cs->dc.icc.ph_state); - schedule_event(cs, D_L1STATECHANGE); - } - if (exval & 1) { - exval = cs->readisac(cs, ICC_CIR1); - if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ICC CIR1 %02X", exval); - } - } - if (val & 0x02) { /* SIN */ - /* never */ - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC SIN interrupt"); - } - if (val & 0x01) { /* EXI */ - exval = cs->readisac(cs, ICC_EXIR); - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC EXIR %02x", exval); - if (exval & 0x80) { /* XMR */ - debugl1(cs, "ICC XMR"); - printk(KERN_WARNING "HiSax: ICC XMR\n"); - } - if (exval & 0x40) { /* XDU */ - debugl1(cs, "ICC XDU"); - printk(KERN_WARNING "HiSax: ICC XDU\n"); -#ifdef ERROR_STATISTIC - cs->err_tx++; -#endif - 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)) - schedule_event(cs, D_CLEARBUSY); - if (cs->tx_skb) { /* Restart frame */ - skb_push(cs->tx_skb, cs->tx_cnt); - cs->tx_cnt = 0; - icc_fill_fifo(cs); - } else { - printk(KERN_WARNING "HiSax: ICC XDU no skb\n"); - debugl1(cs, "ICC XDU no skb"); - } - } - if (exval & 0x04) { /* MOS */ - v1 = cs->readisac(cs, ICC_MOSR); - if (cs->debug & L1_DEB_MONITOR) - debugl1(cs, "ICC MOSR %02x", v1); -#if ARCOFI_USE - if (v1 & 0x08) { - if (!cs->dc.icc.mon_rx) { - if (!(cs->dc.icc.mon_rx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) { - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC MON RX out of memory!"); - cs->dc.icc.mocr &= 0xf0; - cs->dc.icc.mocr |= 0x0a; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - goto afterMONR0; - } else - cs->dc.icc.mon_rxp = 0; - } - if (cs->dc.icc.mon_rxp >= MAX_MON_FRAME) { - cs->dc.icc.mocr &= 0xf0; - cs->dc.icc.mocr |= 0x0a; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mon_rxp = 0; - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC MON RX overflow!"); - goto afterMONR0; - } - cs->dc.icc.mon_rx[cs->dc.icc.mon_rxp++] = cs->readisac(cs, ICC_MOR0); - if (cs->debug & L1_DEB_MONITOR) - debugl1(cs, "ICC MOR0 %02x", cs->dc.icc.mon_rx[cs->dc.icc.mon_rxp - 1]); - if (cs->dc.icc.mon_rxp == 1) { - cs->dc.icc.mocr |= 0x04; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - } - } - afterMONR0: - if (v1 & 0x80) { - if (!cs->dc.icc.mon_rx) { - if (!(cs->dc.icc.mon_rx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) { - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC MON RX out of memory!"); - cs->dc.icc.mocr &= 0x0f; - cs->dc.icc.mocr |= 0xa0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - goto afterMONR1; - } else - cs->dc.icc.mon_rxp = 0; - } - if (cs->dc.icc.mon_rxp >= MAX_MON_FRAME) { - cs->dc.icc.mocr &= 0x0f; - cs->dc.icc.mocr |= 0xa0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mon_rxp = 0; - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "ICC MON RX overflow!"); - goto afterMONR1; - } - cs->dc.icc.mon_rx[cs->dc.icc.mon_rxp++] = cs->readisac(cs, ICC_MOR1); - if (cs->debug & L1_DEB_MONITOR) - debugl1(cs, "ICC MOR1 %02x", cs->dc.icc.mon_rx[cs->dc.icc.mon_rxp - 1]); - cs->dc.icc.mocr |= 0x40; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - } - afterMONR1: - if (v1 & 0x04) { - cs->dc.icc.mocr &= 0xf0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mocr |= 0x0a; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - schedule_event(cs, D_RX_MON0); - } - if (v1 & 0x40) { - cs->dc.icc.mocr &= 0x0f; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mocr |= 0xa0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - schedule_event(cs, D_RX_MON1); - } - if (v1 & 0x02) { - if ((!cs->dc.icc.mon_tx) || (cs->dc.icc.mon_txc && - (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc) && - !(v1 & 0x08))) { - cs->dc.icc.mocr &= 0xf0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mocr |= 0x0a; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - if (cs->dc.icc.mon_txc && - (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) - schedule_event(cs, D_TX_MON0); - goto AfterMOX0; - } - if (cs->dc.icc.mon_txc && (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) { - schedule_event(cs, D_TX_MON0); - goto AfterMOX0; - } - cs->writeisac(cs, ICC_MOX0, - cs->dc.icc.mon_tx[cs->dc.icc.mon_txp++]); - if (cs->debug & L1_DEB_MONITOR) - debugl1(cs, "ICC %02x -> MOX0", cs->dc.icc.mon_tx[cs->dc.icc.mon_txp - 1]); - } - AfterMOX0: - if (v1 & 0x20) { - if ((!cs->dc.icc.mon_tx) || (cs->dc.icc.mon_txc && - (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc) && - !(v1 & 0x80))) { - cs->dc.icc.mocr &= 0x0f; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - cs->dc.icc.mocr |= 0xa0; - cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); - if (cs->dc.icc.mon_txc && - (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) - schedule_event(cs, D_TX_MON1); - goto AfterMOX1; - } - if (cs->dc.icc.mon_txc && (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) { - schedule_event(cs, D_TX_MON1); - goto AfterMOX1; - } - cs->writeisac(cs, ICC_MOX1, - cs->dc.icc.mon_tx[cs->dc.icc.mon_txp++]); - if (cs->debug & L1_DEB_MONITOR) - debugl1(cs, "ICC %02x -> MOX1", cs->dc.icc.mon_tx[cs->dc.icc.mon_txp - 1]); - } - AfterMOX1: ; -#endif - } - } -} - -static void -ICC_l1hw(struct PStack *st, int pr, void *arg) -{ - struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware; - struct sk_buff *skb = arg; - u_long flags; - int val; - - 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); -#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); -#endif - icc_fill_fifo(cs); - } - 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); - 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); -#endif - icc_fill_fifo(cs); - 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); - if ((cs->dc.icc.ph_state == ICC_IND_EI1) || - (cs->dc.icc.ph_state == ICC_IND_DR)) - ph_command(cs, ICC_CMD_DI); - else - ph_command(cs, ICC_CMD_RES); - spin_unlock_irqrestore(&cs->lock, flags); - break; - case (HW_ENABLE | REQUEST): - spin_lock_irqsave(&cs->lock, flags); - ph_command(cs, ICC_CMD_DI); - spin_unlock_irqrestore(&cs->lock, flags); - break; - case (HW_INFO1 | REQUEST): - spin_lock_irqsave(&cs->lock, flags); - ph_command(cs, ICC_CMD_AR); - spin_unlock_irqrestore(&cs->lock, flags); - break; - case (HW_INFO3 | REQUEST): - spin_lock_irqsave(&cs->lock, flags); - ph_command(cs, ICC_CMD_AI); - spin_unlock_irqrestore(&cs->lock, flags); - break; - case (HW_TESTLOOP | REQUEST): - spin_lock_irqsave(&cs->lock, flags); - val = 0; - if (1 & (long) arg) - val |= 0x0c; - if (2 & (long) arg) - val |= 0x3; - if (test_bit(HW_IOM1, &cs->HW_Flags)) { - /* IOM 1 Mode */ - if (!val) { - cs->writeisac(cs, ICC_SPCR, 0xa); - cs->writeisac(cs, ICC_ADF1, 0x2); - } else { - cs->writeisac(cs, ICC_SPCR, val); - cs->writeisac(cs, ICC_ADF1, 0xa); - } - } else { - /* IOM 2 Mode */ - cs->writeisac(cs, ICC_SPCR, val); - if (val) - cs->writeisac(cs, ICC_ADF1, 0x8); - else - cs->writeisac(cs, ICC_ADF1, 0x0); - } - spin_unlock_irqrestore(&cs->lock, flags); - 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)) - schedule_event(cs, D_CLEARBUSY); - break; - default: - if (cs->debug & L1_DEB_WARN) - debugl1(cs, "icc_l1hw unknown %04x", pr); - break; - } -} - -static void -setstack_icc(struct PStack *st, struct IsdnCardState *cs) -{ - st->l1.l1hw = ICC_l1hw; -} - -static void -DC_Close_icc(struct IsdnCardState *cs) { - kfree(cs->dc.icc.mon_rx); - cs->dc.icc.mon_rx = NULL; - kfree(cs->dc.icc.mon_tx); - cs->dc.icc.mon_tx = NULL; -} - -static void -dbusy_timer_handler(struct timer_list *t) -{ - struct IsdnCardState *cs = from_timer(cs, t, dbusytimer); - struct PStack *stptr; - int rbch, star; - - if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) { - rbch = cs->readisac(cs, ICC_RBCH); - star = cs->readisac(cs, ICC_STAR); - if (cs->debug) - debugl1(cs, "D-Channel Busy RBCH %02x STAR %02x", - rbch, star); - if (rbch & ICC_RBCH_XAC) { /* D-Channel Busy */ - test_and_set_bit(FLG_L1_DBUSY, &cs->HW_Flags); - stptr = cs->stlist; - while (stptr != NULL) { - stptr->l1.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: ICC D-Channel Busy no skb\n"); - debugl1(cs, "D-Channel Busy no skb"); - } - cs->writeisac(cs, ICC_CMDR, 0x01); /* Transmitter reset */ - cs->irq_func(cs->irq, cs); - } - } -} - -void -initicc(struct IsdnCardState *cs) -{ - cs->setstack_d = setstack_icc; - cs->DC_Close = DC_Close_icc; - cs->dc.icc.mon_tx = NULL; - cs->dc.icc.mon_rx = NULL; - cs->writeisac(cs, ICC_MASK, 0xff); - cs->dc.icc.mocr = 0xaa; - if (test_bit(HW_IOM1, &cs->HW_Flags)) { - /* IOM 1 Mode */ - cs->writeisac(cs, ICC_ADF2, 0x0); - cs->writeisac(cs, ICC_SPCR, 0xa); - cs->writeisac(cs, ICC_ADF1, 0x2); - cs->writeisac(cs, ICC_STCR, 0x70); - cs->writeisac(cs, ICC_MODE, 0xc9); - } else { - /* IOM 2 Mode */ - if (!cs->dc.icc.adf2) - cs->dc.icc.adf2 = 0x80; - cs->writeisac(cs, ICC_ADF2, cs->dc.icc.adf2); - cs->writeisac(cs, ICC_SQXR, 0xa0); - cs->writeisac(cs, ICC_SPCR, 0x20); - cs->writeisac(cs, ICC_STCR, 0x70); - cs->writeisac(cs, ICC_MODE, 0xca); - cs->writeisac(cs, ICC_TIMR, 0x00); - cs->writeisac(cs, ICC_ADF1, 0x20); - } - ph_command(cs, ICC_CMD_RES); - cs->writeisac(cs, ICC_MASK, 0x0); - ph_command(cs, ICC_CMD_DI); -} - -void -clear_pending_icc_ints(struct IsdnCardState *cs) -{ - int val, eval; - - val = cs->readisac(cs, ICC_STAR); - debugl1(cs, "ICC STAR %x", val); - val = cs->readisac(cs, ICC_MODE); - debugl1(cs, "ICC MODE %x", val); - val = cs->readisac(cs, ICC_ADF2); - debugl1(cs, "ICC ADF2 %x", val); - val = cs->readisac(cs, ICC_ISTA); - debugl1(cs, "ICC ISTA %x", val); - if (val & 0x01) { - eval = cs->readisac(cs, ICC_EXIR); - debugl1(cs, "ICC EXIR %x", eval); - } - val = cs->readisac(cs, ICC_CIR0); - debugl1(cs, "ICC CIR0 %x", val); - cs->dc.icc.ph_state = (val >> 2) & 0xf; - schedule_event(cs, D_L1STATECHANGE); - /* Disable all IRQ */ - cs->writeisac(cs, ICC_MASK, 0xFF); -} - -void setup_icc(struct IsdnCardState *cs) -{ - INIT_WORK(&cs->tqueue, icc_bh); - timer_setup(&cs->dbusytimer, dbusy_timer_handler, 0); -} |