Cross Reference: /drivers/isdn/hisax/hisax

Lines Matching refs:isac
9  * based upon Karsten Keil's original isac.c driver
243 static inline void D_L1L2(struct isac *isac, int pr, void *arg)
245 	struct hisax_if *ifc = (struct hisax_if *) &isac->hisax_d_if;
251 static void ph_command(struct isac *isac, unsigned int command)
254 	switch (isac->type) {
256 		isac->write_isac(isac, ISAC_CIX0, (command << 2) | 3);
259 		isac->write_isac(isac, ISACSX_CIX0, (command << 4) | (7 << 1));
268 	struct isac *isac = fi->userdata;
271 	ph_command(isac, ISAC_CMD_DI);
276 	struct isac *isac = fi->userdata;
279 	D_L1L2(isac, PH_DEACTIVATE | INDICATION, NULL);
280 	ph_command(isac, ISAC_CMD_DI);
290 	struct isac *isac = fi->userdata;
293 	D_L1L2(isac, PH_DEACTIVATE | INDICATION, NULL);
294 	ph_command(isac, ISAC_CMD_DI);
299 	struct isac *isac = fi->userdata;
302 	ph_command(isac, ISAC_CMD_DI);
322 	struct isac *isac = fi->userdata;
325 	D_L1L2(isac, PH_DEACTIVATE | INDICATION, NULL);
330 	struct isac *isac = fi->userdata;
332 	FsmDelTimer(&isac->timer, 0);
334 	ph_command(isac, ISAC_CMD_AR8);
335 	D_L1L2(isac, PH_ACTIVATE | INDICATION, NULL);
345 	struct isac *isac = fi->userdata;
348 	D_L1L2(isac, PH_DEACTIVATE | INDICATION, NULL);
353 	struct isac *isac = fi->userdata;
355 	FsmRestartTimer(&isac->timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
356 	ph_command(isac, ISAC_CMD_AR8);
361 	struct isac *isac = fi->userdata;
363 	ph_command(isac, ISAC_CMD_DI);
364 	D_L1L2(isac, PH_DEACTIVATE | INDICATION, NULL);
442 static void isac_version(struct isac *cs)
450 static void isac_empty_fifo(struct isac *isac, int count)
458 	if ((isac->rcvidx + count) >= MAX_DFRAME_LEN_L1) {
459 		DBG(DBG_WARN, "overrun %d", isac->rcvidx + count);
460 		isac->write_isac(isac, ISAC_CMDR, ISAC_CMDR_RMC);
461 		isac->rcvidx = 0;
464 	ptr = isac->rcvbuf + isac->rcvidx;
465 	isac->rcvidx += count;
466 	isac->read_isac_fifo(isac, ptr, count);
467 	isac->write_isac(isac, ISAC_CMDR, ISAC_CMDR_RMC);
471 static void isac_fill_fifo(struct isac *isac)
480 	BUG_ON(!isac->tx_skb);
482 	count = isac->tx_skb->len;
494 	ptr = isac->tx_skb->data;
495 	skb_pull(isac->tx_skb, count);
496 	isac->tx_cnt += count;
498 	isac->write_isac_fifo(isac, ptr, count);
499 	isac->write_isac(isac, ISAC_CMDR, cmd);
502 static void isac_retransmit(struct isac *isac)
504 	if (!isac->tx_skb) {
508 	skb_push(isac->tx_skb, isac->tx_cnt);
509 	isac->tx_cnt = 0;
513 static inline void isac_cisq_interrupt(struct isac *isac)
517 	val = isac->read_isac(isac, ISAC_CIR0);
521 		FsmEvent(&isac->l1m, (val >> 2) & 0xf, NULL);
524 		val = isac->read_isac(isac, ISAC_CIR1);
529 static inline void isac_rme_interrupt(struct isac *isac)
535 	val = isac->read_isac(isac, ISAC_RSTA);
539 		isac->write_isac(isac, ISAC_CMDR, ISAC_CMDR_RMC);
543 	count = isac->read_isac(isac, ISAC_RBCL) & 0x1f;
548 	isac_empty_fifo(isac, count);
549 	count = isac->rcvidx;
560 	memcpy(skb_put(skb, count), isac->rcvbuf, count);
562 	D_L1L2(isac, PH_DATA | INDICATION, skb);
564 	isac->rcvidx = 0;
567 static inline void isac_xpr_interrupt(struct isac *isac)
569 	if (!isac->tx_skb)
572 	if (isac->tx_skb->len > 0) {
573 		isac_fill_fifo(isac);
576 	dev_kfree_skb_irq(isac->tx_skb);
577 	isac->tx_cnt = 0;
578 	isac->tx_skb = NULL;
579 	D_L1L2(isac, PH_DATA | CONFIRM, NULL);
582 static inline void isac_exi_interrupt(struct isac *isac)
586 	val = isac->read_isac(isac, ISAC_EXIR);
591 		isac_retransmit(isac);
595 		isac_retransmit(isac);
599 		val = isac->read_isac(isac, ISAC_MOSR);
604 void isac_irq(struct isac *isac)
608 	val = isac->read_isac(isac, ISAC_ISTA);
613 		isac_exi_interrupt(isac);
617 		isac_xpr_interrupt(isac);
621 		isac_rme_interrupt(isac);
625 		isac_empty_fifo(isac, 0x20);
629 		isac_cisq_interrupt(isac);
637 	isac->write_isac(isac, ISAC_MASK, 0xff);
638 	isac->write_isac(isac, ISAC_MASK, 0x00);
643 static inline void isacsx_cic_interrupt(struct isac *isac)
647 	val = isac->read_isac(isac, ISACSX_CIR0);
651 		FsmEvent(&isac->l1m, val >> 4, NULL);
655 static inline void isacsx_rme_interrupt(struct isac *isac)
661 	val = isac->read_isac(isac, ISACSX_RSTAD);
668 		isac->write_isac(isac, ISACSX_CMDRD, ISACSX_CMDRD_RMC);
672 	count = isac->read_isac(isac, ISACSX_RBCLD) & 0x1f;
677 	isac_empty_fifo(isac, count);
679 	count = isac->rcvidx - 1;
690 	memcpy(skb_put(skb, count), isac->rcvbuf, count);
692 	D_L1L2(isac, PH_DATA | INDICATION, skb);
694 	isac->rcvidx = 0;
697 static inline void isacsx_xpr_interrupt(struct isac *isac)
699 	if (!isac->tx_skb)
702 	if (isac->tx_skb->len > 0) {
703 		isac_fill_fifo(isac);
706 	dev_kfree_skb_irq(isac->tx_skb);
707 	isac->tx_skb = NULL;
708 	isac->tx_cnt = 0;
709 	D_L1L2(isac, PH_DATA | CONFIRM, NULL);
712 static inline void isacsx_icd_interrupt(struct isac *isac)
716 	val = isac->read_isac(isac, ISACSX_ISTAD);
720 		isac_retransmit(isac);
724 		isac_retransmit(isac);
728 		isacsx_xpr_interrupt(isac);
732 		isac->write_isac(isac, ISACSX_CMDRD, ISACSX_CMDRD_RMC);
736 		isacsx_rme_interrupt(isac);
740 		isac_empty_fifo(isac, 0x20);
744 void isacsx_irq(struct isac *isac)
748 	val = isac->read_isac(isac, ISACSX_ISTA);
752 		isacsx_icd_interrupt(isac);
754 		isacsx_cic_interrupt(isac);
757 void isac_init(struct isac *isac)
759 	isac->tx_skb = NULL;
760 	isac->l1m.fsm = &l1fsm;
761 	isac->l1m.state = ST_L1_RESET;
763 	isac->l1m.debug = 1;
765 	isac->l1m.debug = 0;
767 	isac->l1m.userdata = isac;
768 	isac->l1m.printdebug = l1m_debug;
769 	FsmInitTimer(&isac->l1m, &isac->timer);
772 void isac_setup(struct isac *isac)
776 	isac->type = TYPE_ISAC;
777 	isac_version(isac);
779 	ph_command(isac, ISAC_CMD_RES);
781 	isac->write_isac(isac, ISAC_MASK, 0xff);
782 	isac->mocr = 0xaa;
783 	if (test_bit(ISAC_IOM1, &isac->flags)) {
785 		isac->write_isac(isac, ISAC_ADF2, 0x0);
786 		isac->write_isac(isac, ISAC_SPCR, 0xa);
787 		isac->write_isac(isac, ISAC_ADF1, 0x2);
788 		isac->write_isac(isac, ISAC_STCR, 0x70);
789 		isac->write_isac(isac, ISAC_MODE, 0xc9);
792 		if (!isac->adf2)
793 			isac->adf2 = 0x80;
794 		isac->write_isac(isac, ISAC_ADF2, isac->adf2);
795 		isac->write_isac(isac, ISAC_SQXR, 0x2f);
796 		isac->write_isac(isac, ISAC_SPCR, 0x00);
797 		isac->write_isac(isac, ISAC_STCR, 0x70);
798 		isac->write_isac(isac, ISAC_MODE, 0xc9);
799 		isac->write_isac(isac, ISAC_TIMR, 0x00);
800 		isac->write_isac(isac, ISAC_ADF1, 0x00);
802 	val = isac->read_isac(isac, ISAC_STAR);
804 	val = isac->read_isac(isac, ISAC_MODE);
806 	val = isac->read_isac(isac, ISAC_ADF2);
808 	val = isac->read_isac(isac, ISAC_ISTA);
811 		eval = isac->read_isac(isac, ISAC_EXIR);
814 	val = isac->read_isac(isac, ISAC_CIR0);
816 	FsmEvent(&isac->l1m, (val >> 2) & 0xf, NULL);
818 	isac->write_isac(isac, ISAC_MASK, 0x0);
820 	isac->write_isac(isac, ISAC_CMDR, ISAC_CMDR_XRES | ISAC_CMDR_RRES);
823 void isacsx_setup(struct isac *isac)
825 	isac->type = TYPE_ISACSX;
827 	isac->write_isac(isac, ISACSX_TR_CONF0, 0x00);
829 	isac->write_isac(isac, ISACSX_TR_CONF2, 0x00);
831 	isac->write_isac(isac, ISACSX_MODED,    0xc9);
833 	isac->write_isac(isac, ISACSX_MASKD,    0x03);
835 	isac->write_isac(isac, ISACSX_MASK,
841 	struct isac *isac = hisax_d_if->priv;
848 		FsmEvent(&isac->l1m, EV_PH_ACTIVATE_REQ, NULL);
851 		FsmEvent(&isac->l1m, EV_PH_DEACTIVATE_REQ, NULL);
856 		if (isac->l1m.state != ST_L1_F7) {
857 			DBG(1, "L1 wrong state %d\n", isac->l1m.state);
861 		BUG_ON(isac->tx_skb);
863 		isac->tx_skb = skb;
864 		isac_fill_fifo(isac);