2 * mISDNisar.c ISAR (Siemens PSB 7110) specific functions
4 * Author Karsten Keil (keil@isdn4linux.de)
6 * Copyright 2009 by Karsten Keil <keil@isdn4linux.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 /* define this to enable static debug messages, if you kernel supports
24 * dynamic debugging, you should use debugfs for this
28 #include <linux/gfp.h>
29 #include <linux/delay.h>
30 #include <linux/vmalloc.h>
31 #include <linux/mISDNhw.h>
32 #include <linux/module.h>
35 #define ISAR_REV "2.1"
37 MODULE_AUTHOR("Karsten Keil");
38 MODULE_LICENSE("GPL v2");
39 MODULE_VERSION(ISAR_REV);
41 #define DEBUG_HW_FIRMWARE_FIFO 0x10000
43 static const u8 faxmodulation_s[] = "3,24,48,72,73,74,96,97,98,121,122,145,146";
44 static const u8 faxmodulation[] = {3, 24, 48, 72, 73, 74, 96, 97, 98, 121,
48 static void isar_setup(struct isar_hw *);
51 waitforHIA(struct isar_hw *isar, int timeout)
54 u8 val = isar->read_reg(isar->hw, ISAR_HIA);
56 while ((val & 1) && t) {
59 val = isar->read_reg(isar->hw, ISAR_HIA);
61 pr_debug("%s: HIA after %dus\n", isar->name, timeout - t);
66 * send msg to ISAR mailbox
67 * if msg is NULL use isar->buf
70 send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg)
72 if (!waitforHIA(isar, 1000))
74 pr_debug("send_mbox(%02x,%02x,%d)\n", his, creg, len);
75 isar->write_reg(isar->hw, ISAR_CTRL_H, creg);
76 isar->write_reg(isar->hw, ISAR_CTRL_L, len);
77 isar->write_reg(isar->hw, ISAR_WADR, 0);
81 isar->write_fifo(isar->hw, ISAR_MBOX, msg, len);
82 if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {
85 while (l < (int)len) {
86 hex_dump_to_buffer(msg + l, len - l, 32, 1,
88 pr_debug("%s: %s %02x: %s\n", isar->name,
89 __func__, l, isar->log);
94 isar->write_reg(isar->hw, ISAR_HIS, his);
95 waitforHIA(isar, 1000);
100 * receive message from ISAR mailbox
101 * if msg is NULL use isar->buf
104 rcv_mbox(struct isar_hw *isar, u8 *msg)
108 isar->write_reg(isar->hw, ISAR_RADR, 0);
109 if (msg && isar->clsb) {
110 isar->read_fifo(isar->hw, ISAR_MBOX, msg, isar->clsb);
111 if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {
114 while (l < (int)isar->clsb) {
115 hex_dump_to_buffer(msg + l, isar->clsb - l, 32,
116 1, isar->log, 256, 1);
117 pr_debug("%s: %s %02x: %s\n", isar->name,
118 __func__, l, isar->log);
123 isar->write_reg(isar->hw, ISAR_IIA, 0);
127 get_irq_infos(struct isar_hw *isar)
129 isar->iis = isar->read_reg(isar->hw, ISAR_IIS);
130 isar->cmsb = isar->read_reg(isar->hw, ISAR_CTRL_H);
131 isar->clsb = isar->read_reg(isar->hw, ISAR_CTRL_L);
132 pr_debug("%s: rcv_mbox(%02x,%02x,%d)\n", isar->name,
133 isar->iis, isar->cmsb, isar->clsb);
137 * poll answer message from ISAR mailbox
138 * should be used only with ISAR IRQs disabled before DSP was started
142 poll_mbox(struct isar_hw *isar, int maxdelay)
147 irq = isar->read_reg(isar->hw, ISAR_IRQBIT);
148 while (t && !(irq & ISAR_IRQSTA)) {
154 rcv_mbox(isar, NULL);
156 pr_debug("%s: pulled %d bytes after %d us\n",
157 isar->name, isar->clsb, maxdelay - t);
162 ISARVersion(struct isar_hw *isar)
166 /* disable ISAR IRQ */
167 isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
168 isar->buf[0] = ISAR_MSG_HWVER;
171 if (!send_mbox(isar, ISAR_HIS_VNR, 0, 3, NULL))
173 if (!poll_mbox(isar, 1000))
175 if (isar->iis == ISAR_IIS_VNR) {
176 if (isar->clsb == 1) {
177 ver = isar->buf[0] & 0xf;
186 load_firmware(struct isar_hw *isar, const u8 *buf, int size)
188 u32 saved_debug = isar->ch[0].bch.debug;
191 u16 left, val, *sp = (u16 *)buf;
201 if (1 != isar->version) {
202 pr_err("%s: ISAR wrong version %d firmware download aborted\n",
203 isar->name, isar->version);
206 if (!(saved_debug & DEBUG_HW_FIRMWARE_FIFO))
207 isar->ch[0].bch.debug &= ~DEBUG_HW_BFIFO;
208 pr_debug("%s: load firmware %d words (%d bytes)\n",
209 isar->name, size / 2, size);
212 /* disable ISAR IRQ */
213 spin_lock_irqsave(isar->hwlock, flags);
214 isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
215 spin_unlock_irqrestore(isar->hwlock, flags);
217 blk_head.sadr = le16_to_cpu(*sp++);
218 blk_head.len = le16_to_cpu(*sp++);
219 blk_head.d_key = le16_to_cpu(*sp++);
221 pr_debug("ISAR firmware block (%#x,%d,%#x)\n",
222 blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
224 if (cnt + left > size) {
225 pr_info("%s: firmware error have %d need %d words\n",
226 isar->name, size, cnt + left);
230 spin_lock_irqsave(isar->hwlock, flags);
231 if (!send_mbox(isar, ISAR_HIS_DKEY, blk_head.d_key & 0xff,
233 pr_info("ISAR send_mbox dkey failed\n");
237 if (!poll_mbox(isar, 1000)) {
238 pr_warning("ISAR poll_mbox dkey failed\n");
242 spin_unlock_irqrestore(isar->hwlock, flags);
243 if ((isar->iis != ISAR_IIS_DKEY) || isar->cmsb || isar->clsb) {
244 pr_info("ISAR wrong dkey response (%x,%x,%x)\n",
245 isar->iis, isar->cmsb, isar->clsb);
256 /* the ISAR is big endian */
257 *mp++ = blk_head.sadr >> 8;
258 *mp++ = blk_head.sadr & 0xFF;
262 pr_debug("%s: load %3d words at %04x\n", isar->name,
264 blk_head.sadr += noc;
266 val = le16_to_cpu(*sp++);
271 spin_lock_irqsave(isar->hwlock, flags);
272 if (!send_mbox(isar, ISAR_HIS_FIRM, 0, nom, NULL)) {
273 pr_info("ISAR send_mbox prog failed\n");
277 if (!poll_mbox(isar, 1000)) {
278 pr_info("ISAR poll_mbox prog failed\n");
282 spin_unlock_irqrestore(isar->hwlock, flags);
283 if ((isar->iis != ISAR_IIS_FIRM) ||
284 isar->cmsb || isar->clsb) {
285 pr_info("ISAR wrong prog response (%x,%x,%x)\n",
286 isar->iis, isar->cmsb, isar->clsb);
291 pr_debug("%s: ISAR firmware block %d words loaded\n",
292 isar->name, blk_head.len);
294 isar->ch[0].bch.debug = saved_debug;
302 spin_lock_irqsave(isar->hwlock, flags);
303 if (!send_mbox(isar, ISAR_HIS_STDSP, 0, 2, NULL)) {
304 pr_info("ISAR send_mbox start dsp failed\n");
308 if (!poll_mbox(isar, 1000)) {
309 pr_info("ISAR poll_mbox start dsp failed\n");
313 if ((isar->iis != ISAR_IIS_STDSP) || isar->cmsb || isar->clsb) {
314 pr_info("ISAR wrong start dsp response (%x,%x,%x)\n",
315 isar->iis, isar->cmsb, isar->clsb);
319 pr_debug("%s: ISAR start dsp success\n", isar->name);
321 /* NORMAL mode entered */
322 /* Enable IRQs of ISAR */
323 isar->write_reg(isar->hw, ISAR_IRQBIT, ISAR_IRQSTA);
324 spin_unlock_irqrestore(isar->hwlock, flags);
325 cnt = 1000; /* max 1s */
326 while ((!isar->bstat) && cnt) {
331 pr_info("ISAR no general status event received\n");
335 pr_debug("%s: ISAR general status event %x\n",
336 isar->name, isar->bstat);
342 spin_lock_irqsave(isar->hwlock, flags);
343 if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
344 pr_info("ISAR send_mbox self tst failed\n");
348 spin_unlock_irqrestore(isar->hwlock, flags);
349 cnt = 10000; /* max 100 ms */
350 while ((isar->iis != ISAR_IIS_DIAG) && cnt) {
356 pr_info("ISAR no self tst response\n");
360 if ((isar->cmsb == ISAR_CTRL_STST) && (isar->clsb == 1)
361 && (isar->buf[0] == 0))
362 pr_debug("%s: ISAR selftest OK\n", isar->name);
364 pr_info("ISAR selftest not OK %x/%x/%x\n",
365 isar->cmsb, isar->clsb, isar->buf[0]);
369 spin_lock_irqsave(isar->hwlock, flags);
371 if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
372 pr_info("ISAR RQST SVN failed\n");
376 spin_unlock_irqrestore(isar->hwlock, flags);
377 cnt = 30000; /* max 300 ms */
378 while ((isar->iis != ISAR_IIS_DIAG) && cnt) {
384 pr_info("ISAR no SVN response\n");
388 if ((isar->cmsb == ISAR_CTRL_SWVER) && (isar->clsb == 1)) {
389 pr_notice("%s: ISAR software version %#x\n",
390 isar->name, isar->buf[0]);
392 pr_info("%s: ISAR wrong swver response (%x,%x)"
393 " cnt(%d)\n", isar->name, isar->cmsb,
399 spin_lock_irqsave(isar->hwlock, flags);
401 spin_unlock_irqrestore(isar->hwlock, flags);
404 spin_lock_irqsave(isar->hwlock, flags);
406 isar->ch[0].bch.debug = saved_debug;
408 /* disable ISAR IRQ */
409 isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
410 spin_unlock_irqrestore(isar->hwlock, flags);
415 deliver_status(struct isar_ch *ch, int status)
417 pr_debug("%s: HL->LL FAXIND %x\n", ch->is->name, status);
418 _queue_data(&ch->bch.ch, PH_CONTROL_IND, status, 0, NULL, GFP_ATOMIC);
422 isar_rcv_frame(struct isar_ch *ch)
428 pr_debug("%s; ISAR zero len frame\n", ch->is->name);
429 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
432 if (test_bit(FLG_RX_OFF, &ch->bch.Flags)) {
433 ch->bch.dropcnt += ch->is->clsb;
434 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
437 switch (ch->bch.state) {
439 pr_debug("%s: ISAR protocol 0 spurious IIS_RDATA %x/%x/%x\n",
440 ch->is->name, ch->is->iis, ch->is->cmsb, ch->is->clsb);
441 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
444 case ISDN_P_B_L2DTMF:
445 case ISDN_P_B_MODEM_ASYNC:
446 maxlen = bchannel_get_rxbuf(&ch->bch, ch->is->clsb);
448 pr_warning("%s.B%d: No bufferspace for %d bytes\n",
449 ch->is->name, ch->bch.nr, ch->is->clsb);
450 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
453 rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb));
454 recv_Bchannel(&ch->bch, 0, false);
457 maxlen = bchannel_get_rxbuf(&ch->bch, ch->is->clsb);
459 pr_warning("%s.B%d: No bufferspace for %d bytes\n",
460 ch->is->name, ch->bch.nr, ch->is->clsb);
461 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
464 if (ch->is->cmsb & HDLC_ERROR) {
465 pr_debug("%s: ISAR frame error %x len %d\n",
466 ch->is->name, ch->is->cmsb, ch->is->clsb);
467 #ifdef ERROR_STATISTIC
468 if (ch->is->cmsb & HDLC_ERR_RER)
470 if (ch->is->cmsb & HDLC_ERR_CER)
473 skb_trim(ch->bch.rx_skb, 0);
474 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
477 if (ch->is->cmsb & HDLC_FSD)
478 skb_trim(ch->bch.rx_skb, 0);
479 ptr = skb_put(ch->bch.rx_skb, ch->is->clsb);
480 rcv_mbox(ch->is, ptr);
481 if (ch->is->cmsb & HDLC_FED) {
482 if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */
483 pr_debug("%s: ISAR frame to short %d\n",
484 ch->is->name, ch->bch.rx_skb->len);
485 skb_trim(ch->bch.rx_skb, 0);
488 skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2);
489 recv_Bchannel(&ch->bch, 0, false);
492 case ISDN_P_B_T30_FAX:
493 if (ch->state != STFAX_ACTIV) {
494 pr_debug("%s: isar_rcv_frame: not ACTIV\n",
496 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
498 skb_trim(ch->bch.rx_skb, 0);
501 if (!ch->bch.rx_skb) {
502 ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen,
504 if (unlikely(!ch->bch.rx_skb)) {
505 pr_info("%s: B receive out of memory\n",
507 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
511 if (ch->cmd == PCTRL_CMD_FRM) {
512 rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb));
513 pr_debug("%s: isar_rcv_frame: %d\n",
514 ch->is->name, ch->bch.rx_skb->len);
515 if (ch->is->cmsb & SART_NMD) { /* ABORT */
516 pr_debug("%s: isar_rcv_frame: no more data\n",
518 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
519 send_mbox(ch->is, SET_DPS(ch->dpath) |
520 ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
522 ch->state = STFAX_ESCAPE;
523 /* set_skb_flag(skb, DF_NOMOREDATA); */
525 recv_Bchannel(&ch->bch, 0, false);
526 if (ch->is->cmsb & SART_NMD)
527 deliver_status(ch, HW_MOD_NOCARR);
530 if (ch->cmd != PCTRL_CMD_FRH) {
531 pr_debug("%s: isar_rcv_frame: unknown fax mode %x\n",
532 ch->is->name, ch->cmd);
533 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
535 skb_trim(ch->bch.rx_skb, 0);
539 if ((ch->bch.rx_skb->len + ch->is->clsb) >
540 (ch->bch.maxlen + 2)) {
541 pr_info("%s: %s incoming packet too large\n",
542 ch->is->name, __func__);
543 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
544 skb_trim(ch->bch.rx_skb, 0);
546 } else if (ch->is->cmsb & HDLC_ERROR) {
547 pr_info("%s: ISAR frame error %x len %d\n",
548 ch->is->name, ch->is->cmsb, ch->is->clsb);
549 skb_trim(ch->bch.rx_skb, 0);
550 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
553 if (ch->is->cmsb & HDLC_FSD)
554 skb_trim(ch->bch.rx_skb, 0);
555 ptr = skb_put(ch->bch.rx_skb, ch->is->clsb);
556 rcv_mbox(ch->is, ptr);
557 if (ch->is->cmsb & HDLC_FED) {
558 if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */
559 pr_info("%s: ISAR frame to short %d\n",
560 ch->is->name, ch->bch.rx_skb->len);
561 skb_trim(ch->bch.rx_skb, 0);
564 skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2);
565 recv_Bchannel(&ch->bch, 0, false);
567 if (ch->is->cmsb & SART_NMD) { /* ABORT */
568 pr_debug("%s: isar_rcv_frame: no more data\n",
570 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
572 skb_trim(ch->bch.rx_skb, 0);
573 send_mbox(ch->is, SET_DPS(ch->dpath) |
574 ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
575 ch->state = STFAX_ESCAPE;
576 deliver_status(ch, HW_MOD_NOCARR);
580 pr_info("isar_rcv_frame protocol (%x)error\n", ch->bch.state);
581 ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
587 isar_fill_fifo(struct isar_ch *ch)
593 pr_debug("%s: ch%d tx_skb %d tx_idx %d\n", ch->is->name, ch->bch.nr,
594 ch->bch.tx_skb ? ch->bch.tx_skb->len : -1, ch->bch.tx_idx);
595 if (!(ch->is->bstat &
596 (ch->dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
598 if (!ch->bch.tx_skb) {
599 if (!test_bit(FLG_TX_EMPTY, &ch->bch.Flags) ||
600 (ch->bch.state != ISDN_P_B_RAW))
603 /* use the card buffer */
604 memset(ch->is->buf, ch->bch.fill[0], count);
605 send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
606 0, count, ch->is->buf);
609 count = ch->bch.tx_skb->len - ch->bch.tx_idx;
612 if (count > ch->mml) {
618 ptr = ch->bch.tx_skb->data + ch->bch.tx_idx;
619 if (!ch->bch.tx_idx) {
620 pr_debug("%s: frame start\n", ch->is->name);
621 if ((ch->bch.state == ISDN_P_B_T30_FAX) &&
622 (ch->cmd == PCTRL_CMD_FTH)) {
624 if ((ptr[0] == 0xff) && (ptr[1] == 0x13)) {
626 test_and_set_bit(FLG_LASTDATA,
628 pr_debug("%s: set LASTDATA\n",
631 test_and_set_bit(FLG_DLEETX,
638 ch->bch.tx_idx += count;
639 switch (ch->bch.state) {
641 pr_info("%s: wrong protocol 0\n", __func__);
644 case ISDN_P_B_L2DTMF:
645 case ISDN_P_B_MODEM_ASYNC:
646 send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
650 send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
653 case ISDN_P_B_T30_FAX:
654 if (ch->state != STFAX_ACTIV)
655 pr_debug("%s: not ACTIV\n", ch->is->name);
656 else if (ch->cmd == PCTRL_CMD_FTH)
657 send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
659 else if (ch->cmd == PCTRL_CMD_FTM)
660 send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
663 pr_debug("%s: not FTH/FTM\n", ch->is->name);
666 pr_info("%s: protocol(%x) error\n",
667 __func__, ch->bch.state);
672 static inline struct isar_ch *
673 sel_bch_isar(struct isar_hw *isar, u8 dpath)
675 struct isar_ch *base = &isar->ch[0];
677 if ((!dpath) || (dpath > 2))
679 if (base->dpath == dpath)
682 if (base->dpath == dpath)
688 send_next(struct isar_ch *ch)
690 pr_debug("%s: %s ch%d tx_skb %d tx_idx %d\n", ch->is->name, __func__,
691 ch->bch.nr, ch->bch.tx_skb ? ch->bch.tx_skb->len : -1,
693 if (ch->bch.state == ISDN_P_B_T30_FAX) {
694 if (ch->cmd == PCTRL_CMD_FTH) {
695 if (test_bit(FLG_LASTDATA, &ch->bch.Flags)) {
696 pr_debug("set NMD_DATA\n");
697 test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags);
699 } else if (ch->cmd == PCTRL_CMD_FTM) {
700 if (test_bit(FLG_DLEETX, &ch->bch.Flags)) {
701 test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags);
702 test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags);
707 dev_kfree_skb(ch->bch.tx_skb);
708 if (get_next_bframe(&ch->bch)) {
710 test_and_clear_bit(FLG_TX_EMPTY, &ch->bch.Flags);
711 } else if (test_bit(FLG_TX_EMPTY, &ch->bch.Flags)) {
714 if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) {
715 if (test_and_clear_bit(FLG_LASTDATA,
717 if (test_and_clear_bit(FLG_NMD_DATA,
720 send_mbox(ch->is, SET_DPS(ch->dpath) |
721 ISAR_HIS_SDATA, 0x01, 1, &zd);
723 test_and_set_bit(FLG_LL_OK, &ch->bch.Flags);
725 deliver_status(ch, HW_MOD_CONNECT);
727 } else if (test_bit(FLG_FILLEMPTY, &ch->bch.Flags)) {
728 test_and_set_bit(FLG_TX_EMPTY, &ch->bch.Flags);
734 check_send(struct isar_hw *isar, u8 rdm)
738 pr_debug("%s: rdm %x\n", isar->name, rdm);
739 if (rdm & BSTAT_RDM1) {
740 ch = sel_bch_isar(isar, 1);
741 if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) {
742 if (ch->bch.tx_skb && (ch->bch.tx_skb->len >
749 if (rdm & BSTAT_RDM2) {
750 ch = sel_bch_isar(isar, 2);
751 if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) {
752 if (ch->bch.tx_skb && (ch->bch.tx_skb->len >
761 const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200", "NODEF4",
762 "300", "600", "1200", "2400", "4800", "7200",
763 "9600nt", "9600t", "12000", "14400", "WRONG"};
764 const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21",
765 "Bell103", "V23", "Bell202", "V17", "V29", "V27ter"};
768 isar_pump_status_rsp(struct isar_ch *ch) {
769 u8 ril = ch->is->buf[0];
772 if (!test_and_clear_bit(ISAR_RATE_REQ, &ch->is->Flags))
775 pr_info("%s: wrong pstrsp ril=%d\n", ch->is->name, ril);
778 switch (ch->is->buf[1]) {
813 sprintf(ch->conmsg, "%s %s", dmril[ril], dmrim[rim]);
814 pr_debug("%s: pump strsp %s\n", ch->is->name, ch->conmsg);
818 isar_pump_statev_modem(struct isar_ch *ch, u8 devt) {
819 u8 dps = SET_DPS(ch->dpath);
822 case PSEV_10MS_TIMER:
823 pr_debug("%s: pump stev TIMER\n", ch->is->name);
826 pr_debug("%s: pump stev CONNECT\n", ch->is->name);
827 deliver_status(ch, HW_MOD_CONNECT);
830 pr_debug("%s: pump stev NO CONNECT\n", ch->is->name);
831 send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
832 deliver_status(ch, HW_MOD_NOCARR);
835 pr_debug("%s: pump stev V24 OFF\n", ch->is->name);
838 pr_debug("%s: pump stev CTS ON\n", ch->is->name);
841 pr_debug("%s pump stev CTS OFF\n", ch->is->name);
844 pr_debug("%s: pump stev CARRIER ON\n", ch->is->name);
845 test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags);
846 send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
849 pr_debug("%s: pump stev CARRIER OFF\n", ch->is->name);
852 pr_debug("%s: pump stev DSR ON\n", ch->is->name);
855 pr_debug("%s: pump stev DSR_OFF\n", ch->is->name);
858 pr_debug("%s: pump stev REMOTE RETRAIN\n", ch->is->name);
861 pr_debug("%s: pump stev REMOTE RENEGOTIATE\n", ch->is->name);
864 pr_debug("%s: pump stev GSTN CLEAR\n", ch->is->name);
867 pr_info("u%s: unknown pump stev %x\n", ch->is->name, devt);
873 isar_pump_statev_fax(struct isar_ch *ch, u8 devt) {
874 u8 dps = SET_DPS(ch->dpath);
878 case PSEV_10MS_TIMER:
879 pr_debug("%s: pump stev TIMER\n", ch->is->name);
882 pr_debug("%s: pump stev RSP_READY\n", ch->is->name);
883 ch->state = STFAX_READY;
884 deliver_status(ch, HW_MOD_READY);
886 if (test_bit(BC_FLG_ORIG, &ch->bch.Flags))
887 isar_pump_cmd(bch, HW_MOD_FRH, 3);
889 isar_pump_cmd(bch, HW_MOD_FTH, 3);
893 if (ch->state == STFAX_LINE) {
894 pr_debug("%s: pump stev LINE_TX_H\n", ch->is->name);
895 ch->state = STFAX_CONT;
896 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
897 PCTRL_CMD_CONT, 0, NULL);
899 pr_debug("%s: pump stev LINE_TX_H wrong st %x\n",
900 ch->is->name, ch->state);
904 if (ch->state == STFAX_LINE) {
905 pr_debug("%s: pump stev LINE_RX_H\n", ch->is->name);
906 ch->state = STFAX_CONT;
907 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
908 PCTRL_CMD_CONT, 0, NULL);
910 pr_debug("%s: pump stev LINE_RX_H wrong st %x\n",
911 ch->is->name, ch->state);
915 if (ch->state == STFAX_LINE) {
916 pr_debug("%s: pump stev LINE_TX_B\n", ch->is->name);
917 ch->state = STFAX_CONT;
918 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
919 PCTRL_CMD_CONT, 0, NULL);
921 pr_debug("%s: pump stev LINE_TX_B wrong st %x\n",
922 ch->is->name, ch->state);
926 if (ch->state == STFAX_LINE) {
927 pr_debug("%s: pump stev LINE_RX_B\n", ch->is->name);
928 ch->state = STFAX_CONT;
929 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
930 PCTRL_CMD_CONT, 0, NULL);
932 pr_debug("%s: pump stev LINE_RX_B wrong st %x\n",
933 ch->is->name, ch->state);
937 if (ch->state == STFAX_CONT) {
938 pr_debug("%s: pump stev RSP_CONN\n", ch->is->name);
939 ch->state = STFAX_ACTIV;
940 test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags);
941 send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
942 if (ch->cmd == PCTRL_CMD_FTH) {
943 int delay = (ch->mod == 3) ? 1000 : 200;
944 /* 1s (200 ms) Flags before data */
945 if (test_and_set_bit(FLG_FTI_RUN,
947 del_timer(&ch->ftimer);
949 jiffies + ((delay * HZ) / 1000);
950 test_and_set_bit(FLG_LL_CONN,
952 add_timer(&ch->ftimer);
954 deliver_status(ch, HW_MOD_CONNECT);
957 pr_debug("%s: pump stev RSP_CONN wrong st %x\n",
958 ch->is->name, ch->state);
962 pr_debug("%s: pump stev FLAGS_DET\n", ch->is->name);
965 pr_debug("%s: pump stev RSP_DISC state(%d)\n",
966 ch->is->name, ch->state);
967 if (ch->state == STFAX_ESCAPE) {
969 switch (ch->newcmd) {
971 ch->state = STFAX_READY;
977 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
978 PCTRL_CMD_SILON, 1, &p1);
979 ch->state = STFAX_SILDET;
983 ch->mod = ch->newmod;
986 ch->cmd = ch->newcmd;
988 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
990 ch->state = STFAX_LINE;
994 pr_debug("%s: RSP_DISC unknown newcmd %x\n",
995 ch->is->name, ch->newcmd);
998 } else if (ch->state == STFAX_ACTIV) {
999 if (test_and_clear_bit(FLG_LL_OK, &ch->bch.Flags))
1000 deliver_status(ch, HW_MOD_OK);
1001 else if (ch->cmd == PCTRL_CMD_FRM)
1002 deliver_status(ch, HW_MOD_NOCARR);
1004 deliver_status(ch, HW_MOD_FCERROR);
1005 ch->state = STFAX_READY;
1006 } else if (ch->state != STFAX_SILDET) {
1007 /* ignore in STFAX_SILDET */
1008 ch->state = STFAX_READY;
1009 deliver_status(ch, HW_MOD_FCERROR);
1012 case PSEV_RSP_SILDET:
1013 pr_debug("%s: pump stev RSP_SILDET\n", ch->is->name);
1014 if (ch->state == STFAX_SILDET) {
1015 ch->mod = ch->newmod;
1018 ch->cmd = ch->newcmd;
1020 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
1022 ch->state = STFAX_LINE;
1026 case PSEV_RSP_SILOFF:
1027 pr_debug("%s: pump stev RSP_SILOFF\n", ch->is->name);
1029 case PSEV_RSP_FCERR:
1030 if (ch->state == STFAX_LINE) {
1031 pr_debug("%s: pump stev RSP_FCERR try %d\n",
1032 ch->is->name, ch->try_mod);
1033 if (ch->try_mod--) {
1034 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
1035 ch->cmd, 1, &ch->mod);
1039 pr_debug("%s: pump stev RSP_FCERR\n", ch->is->name);
1040 ch->state = STFAX_ESCAPE;
1041 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
1043 deliver_status(ch, HW_MOD_FCERROR);
1051 mISDNisar_irq(struct isar_hw *isar)
1055 get_irq_infos(isar);
1056 switch (isar->iis & ISAR_IIS_MSCMSD) {
1057 case ISAR_IIS_RDATA:
1058 ch = sel_bch_isar(isar, isar->iis >> 6);
1062 pr_debug("%s: ISAR spurious IIS_RDATA %x/%x/%x\n",
1063 isar->name, isar->iis, isar->cmsb,
1065 isar->write_reg(isar->hw, ISAR_IIA, 0);
1068 case ISAR_IIS_GSTEV:
1069 isar->write_reg(isar->hw, ISAR_IIA, 0);
1070 isar->bstat |= isar->cmsb;
1071 check_send(isar, isar->cmsb);
1073 case ISAR_IIS_BSTEV:
1074 #ifdef ERROR_STATISTIC
1075 ch = sel_bch_isar(isar, isar->iis >> 6);
1077 if (isar->cmsb == BSTEV_TBO)
1079 if (isar->cmsb == BSTEV_RBO)
1083 pr_debug("%s: Buffer STEV dpath%d msb(%x)\n",
1084 isar->name, isar->iis >> 6, isar->cmsb);
1085 isar->write_reg(isar->hw, ISAR_IIA, 0);
1087 case ISAR_IIS_PSTEV:
1088 ch = sel_bch_isar(isar, isar->iis >> 6);
1090 rcv_mbox(isar, NULL);
1091 if (ch->bch.state == ISDN_P_B_MODEM_ASYNC)
1092 isar_pump_statev_modem(ch, isar->cmsb);
1093 else if (ch->bch.state == ISDN_P_B_T30_FAX)
1094 isar_pump_statev_fax(ch, isar->cmsb);
1095 else if (ch->bch.state == ISDN_P_B_RAW) {
1097 tt = isar->cmsb | 0x30;
1100 else if (tt == 0x3f)
1104 tt |= DTMF_TONE_VAL;
1105 _queue_data(&ch->bch.ch, PH_CONTROL_IND,
1106 MISDN_ID_ANY, sizeof(tt), &tt,
1109 pr_debug("%s: ISAR IIS_PSTEV pm %d sta %x\n",
1110 isar->name, ch->bch.state,
1113 pr_debug("%s: ISAR spurious IIS_PSTEV %x/%x/%x\n",
1114 isar->name, isar->iis, isar->cmsb,
1116 isar->write_reg(isar->hw, ISAR_IIA, 0);
1119 case ISAR_IIS_PSTRSP:
1120 ch = sel_bch_isar(isar, isar->iis >> 6);
1122 rcv_mbox(isar, NULL);
1123 isar_pump_status_rsp(ch);
1125 pr_debug("%s: ISAR spurious IIS_PSTRSP %x/%x/%x\n",
1126 isar->name, isar->iis, isar->cmsb,
1128 isar->write_reg(isar->hw, ISAR_IIA, 0);
1132 case ISAR_IIS_BSTRSP:
1133 case ISAR_IIS_IOM2RSP:
1134 rcv_mbox(isar, NULL);
1136 case ISAR_IIS_INVMSG:
1137 rcv_mbox(isar, NULL);
1138 pr_debug("%s: invalid msg his:%x\n", isar->name, isar->cmsb);
1141 rcv_mbox(isar, NULL);
1142 pr_debug("%s: unhandled msg iis(%x) ctrl(%x/%x)\n",
1143 isar->name, isar->iis, isar->cmsb, isar->clsb);
1147 EXPORT_SYMBOL(mISDNisar_irq);
1150 ftimer_handler(struct timer_list *t)
1152 struct isar_ch *ch = from_timer(ch, t, ftimer);
1154 pr_debug("%s: ftimer flags %lx\n", ch->is->name, ch->bch.Flags);
1155 test_and_clear_bit(FLG_FTI_RUN, &ch->bch.Flags);
1156 if (test_and_clear_bit(FLG_LL_CONN, &ch->bch.Flags))
1157 deliver_status(ch, HW_MOD_CONNECT);
1161 setup_pump(struct isar_ch *ch) {
1162 u8 dps = SET_DPS(ch->dpath);
1165 switch (ch->bch.state) {
1169 send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL);
1171 case ISDN_P_B_L2DTMF:
1172 if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) {
1173 param[0] = 5; /* TOA 5 db */
1174 send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG,
1175 PMOD_DTMF_TRANS, 1, param);
1177 param[0] = 40; /* REL -46 dbm */
1178 send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG,
1179 PMOD_DTMF, 1, param);
1182 case ISDN_P_B_MODEM_ASYNC:
1183 ctrl = PMOD_DATAMODEM;
1184 if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) {
1186 param[5] = PV32P6_CTN;
1188 param[5] = PV32P6_ATN;
1190 param[0] = 6; /* 6 db */
1191 param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B |
1192 PV32P2_V22C | PV32P2_V21 | PV32P2_BEL;
1193 param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B;
1194 param[3] = PV32P4_UT144;
1195 param[4] = PV32P5_UT144;
1196 send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param);
1198 case ISDN_P_B_T30_FAX:
1200 if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) {
1202 param[1] = PFAXP2_CTN;
1204 param[1] = PFAXP2_ATN;
1206 param[0] = 6; /* 6 db */
1207 send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param);
1208 ch->state = STFAX_NULL;
1211 test_and_set_bit(FLG_FTI_RUN, &ch->bch.Flags);
1215 send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
1220 setup_sart(struct isar_ch *ch) {
1221 u8 dps = SET_DPS(ch->dpath);
1222 u8 ctrl, param[2] = {0, 0};
1224 switch (ch->bch.state) {
1226 send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE,
1230 case ISDN_P_B_L2DTMF:
1231 send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_BINARY,
1235 case ISDN_P_B_T30_FAX:
1236 send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_HDLC,
1239 case ISDN_P_B_MODEM_ASYNC:
1240 ctrl = SMODE_V14 | SCTRL_HDMC_BOTH;
1241 param[0] = S_P1_CHS_8;
1242 param[1] = S_P2_BFT_DEF;
1243 send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, ctrl, 2, param);
1247 send_mbox(ch->is, dps | ISAR_HIS_BSTREQ, 0, 0, NULL);
1252 setup_iom2(struct isar_ch *ch) {
1253 u8 dps = SET_DPS(ch->dpath);
1254 u8 cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0};
1256 if (ch->bch.nr == 2) {
1260 switch (ch->bch.state) {
1264 msg[1] = ch->dpath + 2;
1265 msg[3] = ch->dpath + 2;
1270 case ISDN_P_B_MODEM_ASYNC:
1271 case ISDN_P_B_T30_FAX:
1272 cmsb |= IOM_CTRL_RCV;
1274 case ISDN_P_B_L2DTMF:
1275 if (test_bit(FLG_DTMFSEND, &ch->bch.Flags))
1276 cmsb |= IOM_CTRL_RCV;
1277 cmsb |= IOM_CTRL_ALAW;
1280 send_mbox(ch->is, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg);
1282 send_mbox(ch->is, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL);
1287 modeisar(struct isar_ch *ch, u32 bprotocol)
1289 /* Here we are selecting the best datapath for requested protocol */
1290 if (ch->bch.state == ISDN_P_NONE) { /* New Setup */
1291 switch (bprotocol) {
1292 case ISDN_P_NONE: /* init */
1294 /* no init for dpath 0 */
1296 test_and_clear_bit(FLG_HDLC, &ch->bch.Flags);
1297 test_and_clear_bit(FLG_TRANSPARENT, &ch->bch.Flags);
1301 /* best is datapath 2 */
1302 if (!test_and_set_bit(ISAR_DP2_USE, &ch->is->Flags))
1304 else if (!test_and_set_bit(ISAR_DP1_USE,
1308 pr_info("modeisar both paths in use\n");
1311 if (bprotocol == ISDN_P_B_HDLC)
1312 test_and_set_bit(FLG_HDLC, &ch->bch.Flags);
1314 test_and_set_bit(FLG_TRANSPARENT,
1317 case ISDN_P_B_MODEM_ASYNC:
1318 case ISDN_P_B_T30_FAX:
1319 case ISDN_P_B_L2DTMF:
1320 /* only datapath 1 */
1321 if (!test_and_set_bit(ISAR_DP1_USE, &ch->is->Flags))
1324 pr_info("%s: ISAR modeisar analog functions"
1325 "only with DP1\n", ch->is->name);
1330 pr_info("%s: protocol not known %x\n", ch->is->name,
1332 return -ENOPROTOOPT;
1335 pr_debug("%s: ISAR ch%d dp%d protocol %x->%x\n", ch->is->name,
1336 ch->bch.nr, ch->dpath, ch->bch.state, bprotocol);
1337 ch->bch.state = bprotocol;
1341 if (ch->bch.state == ISDN_P_NONE) {
1342 /* Clear resources */
1344 test_and_clear_bit(ISAR_DP1_USE, &ch->is->Flags);
1345 else if (ch->dpath == 2)
1346 test_and_clear_bit(ISAR_DP2_USE, &ch->is->Flags);
1348 ch->is->ctrl(ch->is->hw, HW_DEACT_IND, ch->bch.nr);
1350 ch->is->ctrl(ch->is->hw, HW_ACTIVATE_IND, ch->bch.nr);
1355 isar_pump_cmd(struct isar_ch *ch, u32 cmd, u8 para)
1357 u8 dps = SET_DPS(ch->dpath);
1358 u8 ctrl = 0, nom = 0, p1 = 0;
1360 pr_debug("%s: isar_pump_cmd %x/%x state(%x)\n",
1361 ch->is->name, cmd, para, ch->bch.state);
1364 if (ch->state == STFAX_READY) {
1366 ctrl = PCTRL_CMD_FTM;
1368 ch->state = STFAX_LINE;
1374 } else if ((ch->state == STFAX_ACTIV) &&
1375 (ch->cmd == PCTRL_CMD_FTM) && (ch->mod == para))
1376 deliver_status(ch, HW_MOD_CONNECT);
1379 ch->newcmd = PCTRL_CMD_FTM;
1381 ctrl = PCTRL_CMD_ESC;
1382 ch->state = STFAX_ESCAPE;
1386 if (ch->state == STFAX_READY) {
1388 ctrl = PCTRL_CMD_FTH;
1390 ch->state = STFAX_LINE;
1396 } else if ((ch->state == STFAX_ACTIV) &&
1397 (ch->cmd == PCTRL_CMD_FTH) && (ch->mod == para))
1398 deliver_status(ch, HW_MOD_CONNECT);
1401 ch->newcmd = PCTRL_CMD_FTH;
1403 ctrl = PCTRL_CMD_ESC;
1404 ch->state = STFAX_ESCAPE;
1408 if (ch->state == STFAX_READY) {
1410 ctrl = PCTRL_CMD_FRM;
1412 ch->state = STFAX_LINE;
1418 } else if ((ch->state == STFAX_ACTIV) &&
1419 (ch->cmd == PCTRL_CMD_FRM) && (ch->mod == para))
1420 deliver_status(ch, HW_MOD_CONNECT);
1423 ch->newcmd = PCTRL_CMD_FRM;
1425 ctrl = PCTRL_CMD_ESC;
1426 ch->state = STFAX_ESCAPE;
1430 if (ch->state == STFAX_READY) {
1432 ctrl = PCTRL_CMD_FRH;
1434 ch->state = STFAX_LINE;
1440 } else if ((ch->state == STFAX_ACTIV) &&
1441 (ch->cmd == PCTRL_CMD_FRH) && (ch->mod == para))
1442 deliver_status(ch, HW_MOD_CONNECT);
1445 ch->newcmd = PCTRL_CMD_FRH;
1447 ctrl = PCTRL_CMD_ESC;
1448 ch->state = STFAX_ESCAPE;
1451 case PCTRL_CMD_TDTMF:
1454 ctrl = PCTRL_CMD_TDTMF;
1458 send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1);
1462 isar_setup(struct isar_hw *isar)
1469 for (i = 0; i < 2; i++) {
1471 send_mbox(isar, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
1472 ISAR_HIS_P12CFG, 4, 1, &msg);
1473 isar->ch[i].mml = msg;
1474 isar->ch[i].bch.state = 0;
1475 isar->ch[i].dpath = i + 1;
1476 modeisar(&isar->ch[i], ISDN_P_NONE);
1481 isar_l2l1(struct mISDNchannel *ch, struct sk_buff *skb)
1483 struct bchannel *bch = container_of(ch, struct bchannel, ch);
1484 struct isar_ch *ich = container_of(bch, struct isar_ch, bch);
1486 struct mISDNhead *hh = mISDN_HEAD_P(skb);
1492 spin_lock_irqsave(ich->is->hwlock, flags);
1493 ret = bchannel_senddata(bch, skb);
1494 if (ret > 0) { /* direct TX */
1496 isar_fill_fifo(ich);
1498 spin_unlock_irqrestore(ich->is->hwlock, flags);
1500 case PH_ACTIVATE_REQ:
1501 spin_lock_irqsave(ich->is->hwlock, flags);
1502 if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags))
1503 ret = modeisar(ich, ch->protocol);
1506 spin_unlock_irqrestore(ich->is->hwlock, flags);
1508 _queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY, 0,
1511 case PH_DEACTIVATE_REQ:
1512 spin_lock_irqsave(ich->is->hwlock, flags);
1513 mISDN_clear_bchannel(bch);
1514 modeisar(ich, ISDN_P_NONE);
1515 spin_unlock_irqrestore(ich->is->hwlock, flags);
1516 _queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY, 0,
1520 case PH_CONTROL_REQ:
1521 val = (u32 *)skb->data;
1522 pr_debug("%s: PH_CONTROL | REQUEST %x/%x\n", ich->is->name,
1524 if ((hh->id == 0) && ((*val & ~DTMF_TONE_MASK) ==
1526 if (bch->state == ISDN_P_B_L2DTMF) {
1527 char tt = *val & DTMF_TONE_MASK;
1536 spin_lock_irqsave(ich->is->hwlock, flags);
1537 isar_pump_cmd(ich, PCTRL_CMD_TDTMF, tt);
1538 spin_unlock_irqrestore(ich->is->hwlock, flags);
1540 pr_info("%s: DTMF send wrong protocol %x\n",
1541 __func__, bch->state);
1544 } else if ((hh->id == HW_MOD_FRM) || (hh->id == HW_MOD_FRH) ||
1545 (hh->id == HW_MOD_FTM) || (hh->id == HW_MOD_FTH)) {
1546 for (id = 0; id < FAXMODCNT; id++)
1547 if (faxmodulation[id] == *val)
1549 if ((FAXMODCNT > id) &&
1550 test_bit(FLG_INITIALIZED, &bch->Flags)) {
1551 pr_debug("%s: isar: new mod\n", ich->is->name);
1552 isar_pump_cmd(ich, hh->id, *val);
1555 pr_info("%s: wrong modulation\n",
1559 } else if (hh->id == HW_MOD_LASTDATA)
1560 test_and_set_bit(FLG_DLEETX, &bch->Flags);
1562 pr_info("%s: unknown PH_CONTROL_REQ %x\n",
1563 ich->is->name, hh->id);
1568 pr_info("%s: %s unknown prim(%x,%x)\n",
1569 ich->is->name, __func__, hh->prim, hh->id);
1578 channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
1580 return mISDN_ctrl_bchannel(bch, cq);
1584 isar_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
1586 struct bchannel *bch = container_of(ch, struct bchannel, ch);
1587 struct isar_ch *ich = container_of(bch, struct isar_ch, bch);
1591 pr_debug("%s: %s cmd:%x %p\n", ich->is->name, __func__, cmd, arg);
1594 test_and_clear_bit(FLG_OPEN, &bch->Flags);
1595 cancel_work_sync(&bch->workq);
1596 spin_lock_irqsave(ich->is->hwlock, flags);
1597 mISDN_clear_bchannel(bch);
1598 modeisar(ich, ISDN_P_NONE);
1599 spin_unlock_irqrestore(ich->is->hwlock, flags);
1600 ch->protocol = ISDN_P_NONE;
1602 module_put(ich->is->owner);
1605 case CONTROL_CHANNEL:
1606 ret = channel_bctrl(bch, arg);
1609 pr_info("%s: %s unknown prim(%x)\n",
1610 ich->is->name, __func__, cmd);
1616 free_isar(struct isar_hw *isar)
1618 modeisar(&isar->ch[0], ISDN_P_NONE);
1619 modeisar(&isar->ch[1], ISDN_P_NONE);
1620 del_timer(&isar->ch[0].ftimer);
1621 del_timer(&isar->ch[1].ftimer);
1622 test_and_clear_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);
1623 test_and_clear_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);
1627 init_isar(struct isar_hw *isar)
1632 isar->version = ISARVersion(isar);
1633 if (isar->ch[0].bch.debug & DEBUG_HW)
1634 pr_notice("%s: Testing version %d (%d time)\n",
1635 isar->name, isar->version, 3 - cnt);
1636 if (isar->version == 1)
1638 isar->ctrl(isar->hw, HW_RESET_REQ, 0);
1640 if (isar->version != 1)
1642 timer_setup(&isar->ch[0].ftimer, ftimer_handler, 0);
1643 test_and_set_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);
1644 timer_setup(&isar->ch[1].ftimer, ftimer_handler, 0);
1645 test_and_set_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);
1650 isar_open(struct isar_hw *isar, struct channel_req *rq)
1652 struct bchannel *bch;
1654 if (rq->adr.channel == 0 || rq->adr.channel > 2)
1656 if (rq->protocol == ISDN_P_NONE)
1658 bch = &isar->ch[rq->adr.channel - 1].bch;
1659 if (test_and_set_bit(FLG_OPEN, &bch->Flags))
1660 return -EBUSY; /* b-channel can be only open once */
1661 bch->ch.protocol = rq->protocol;
1667 mISDNisar_init(struct isar_hw *isar, void *hw)
1672 for (i = 0; i < 2; i++) {
1673 isar->ch[i].bch.nr = i + 1;
1674 mISDN_initbchannel(&isar->ch[i].bch, MAX_DATA_MEM, 32);
1675 isar->ch[i].bch.ch.nr = i + 1;
1676 isar->ch[i].bch.ch.send = &isar_l2l1;
1677 isar->ch[i].bch.ch.ctrl = isar_bctrl;
1678 isar->ch[i].bch.hw = hw;
1679 isar->ch[i].is = isar;
1682 isar->init = &init_isar;
1683 isar->release = &free_isar;
1684 isar->firmware = &load_firmware;
1685 isar->open = &isar_open;
1687 ret = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) |
1688 (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK)) |
1689 (1 << (ISDN_P_B_L2DTMF & ISDN_P_B_MASK)) |
1690 (1 << (ISDN_P_B_MODEM_ASYNC & ISDN_P_B_MASK)) |
1691 (1 << (ISDN_P_B_T30_FAX & ISDN_P_B_MASK));
1695 EXPORT_SYMBOL(mISDNisar_init);
1697 static int __init isar_mod_init(void)
1699 pr_notice("mISDN: ISAR driver Rev. %s\n", ISAR_REV);
1703 static void __exit isar_mod_cleanup(void)
1705 pr_notice("mISDN: ISAR module unloaded\n");
1707 module_init(isar_mod_init);
1708 module_exit(isar_mod_cleanup);