diff options
Diffstat (limited to 'drivers/isdn/hisax/icc.c')
-rw-r--r-- | drivers/isdn/hisax/icc.c | 314 |
1 files changed, 157 insertions, 157 deletions
diff --git a/drivers/isdn/hisax/icc.c b/drivers/isdn/hisax/icc.c index 6305726..7be762b 100644 --- a/drivers/isdn/hisax/icc.c +++ b/drivers/isdn/hisax/icc.c @@ -4,7 +4,7 @@ * * 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. * @@ -50,30 +50,30 @@ 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; + 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; } } @@ -83,7 +83,7 @@ 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"); @@ -94,7 +94,7 @@ icc_bh(struct work_struct *work) } } if (test_and_clear_bit(D_L1STATECHANGE, &cs->event)) - icc_new_ph(cs); + 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)) @@ -254,11 +254,11 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) } else schedule_event(cs, D_XMTBUFREADY); } - afterXPR: +afterXPR: if (val & 0x04) { /* CISQ */ exval = cs->readisac(cs, ICC_CIR0); if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ICC CIR0 %02X", exval ); + debugl1(cs, "ICC CIR0 %02X", exval); if (exval & 2) { cs->dc.icc.ph_state = (exval >> 2) & 0xf; if (cs->debug & L1_DEB_ISAC) @@ -268,7 +268,7 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) if (exval & 1) { exval = cs->readisac(cs, ICC_CIR1); if (cs->debug & L1_DEB_ISAC) - debugl1(cs, "ICC CIR1 %02X", exval ); + debugl1(cs, "ICC CIR1 %02X", exval); } } if (val & 0x02) { /* SIN */ @@ -331,13 +331,13 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) } 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]); + 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: + afterMONR0: if (v1 & 0x80) { if (!cs->dc.icc.mon_rx) { if (!(cs->dc.icc.mon_rx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) { @@ -361,11 +361,11 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) } 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]); + 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: + afterMONR1: if (v1 & 0x04) { cs->dc.icc.mocr &= 0xf0; cs->writeisac(cs, ICC_MOCR, cs->dc.icc.mocr); @@ -381,15 +381,15 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) 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))) { + 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)) + (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) schedule_event(cs, D_TX_MON0); goto AfterMOX0; } @@ -398,21 +398,21 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) goto AfterMOX0; } cs->writeisac(cs, ICC_MOX0, - cs->dc.icc.mon_tx[cs->dc.icc.mon_txp++]); + 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]); + debugl1(cs, "ICC %02x -> MOX0", cs->dc.icc.mon_tx[cs->dc.icc.mon_txp - 1]); } - AfterMOX0: + 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))) { + 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)) + (cs->dc.icc.mon_txp >= cs->dc.icc.mon_txc)) schedule_event(cs, D_TX_MON1); goto AfterMOX1; } @@ -421,11 +421,11 @@ icc_interrupt(struct IsdnCardState *cs, u_char val) goto AfterMOX1; } cs->writeisac(cs, ICC_MOX1, - cs->dc.icc.mon_tx[cs->dc.icc.mon_txp++]); + 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]); + debugl1(cs, "ICC %02x -> MOX1", cs->dc.icc.mon_tx[cs->dc.icc.mon_txp - 1]); } - AfterMOX1: + AfterMOX1: #endif } } @@ -440,128 +440,128 @@ ICC_l1hw(struct PStack *st, int pr, void *arg) 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; + 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", 0); + if (cs->debug & L1_DEB_LAPD) + Logl2Frame(cs, skb, "PH_DATA Queued", 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); + } 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 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; - 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); - 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); + 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); - 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 + 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 { - /* 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; + cs->writeisac(cs, ICC_ADF1, 0xa); } - 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; + } 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; } } @@ -588,7 +588,7 @@ dbusy_timer_handler(struct IsdnCardState *cs) if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) { rbch = cs->readisac(cs, ICC_RBCH); star = cs->readisac(cs, ICC_STAR); - if (cs->debug) + if (cs->debug) debugl1(cs, "D-Channel Busy RBCH %02x STAR %02x", rbch, star); if (rbch & ICC_RBCH_XAC) { /* D-Channel Busy */ @@ -622,8 +622,8 @@ initicc(struct IsdnCardState *cs) 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; + 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); |