hardware/mISDN/w6692.c

67 	struct dchannel		dch;
82 	card->dch.debug = debug;
188 	schedule_event(&card->dch, FLG_PHCHANGE);
192 W6692_ph_bh(struct dchannel *dch)
194 	struct w6692_hw *card = dch->hw;
198 		dch->state = 0;
199 		l1_event(dch->l1, HW_RESET_IND);
202 		dch->state = 3;
203 		l1_event(dch->l1, HW_DEACT_CNF);
206 		dch->state = 3;
207 		l1_event(dch->l1, HW_DEACT_IND);
210 		dch->state = 4;
211 		l1_event(dch->l1, HW_POWERUP_IND);
214 		if (dch->state <= 5) {
215 			dch->state = 5;
216 			l1_event(dch->l1, ANYSIGNAL);
218 			dch->state = 8;
219 			l1_event(dch->l1, LOSTFRAMING);
223 		dch->state = 6;
224 		l1_event(dch->l1, INFO2);
227 		dch->state = 7;
228 		l1_event(dch->l1, INFO4_P8);
231 		dch->state = 7;
232 		l1_event(dch->l1, INFO4_P10);
235 		pr_debug("%s: TE unknown state %02x dch state %02x\n",
236 			 card->name, card->state, dch->state);
239 	pr_debug("%s: TE newstate %02x\n", card->name, dch->state);
245 	struct dchannel *dch = &card->dch;
249 	if (!dch->rx_skb) {
250 		dch->rx_skb = mI_alloc_skb(card->dch.maxlen, GFP_ATOMIC);
251 		if (!dch->rx_skb) {
257 	if ((dch->rx_skb->len + count) >= dch->maxlen) {
259 			 dch->rx_skb->len + count);
263 	ptr = skb_put(dch->rx_skb, count);
276 	struct dchannel *dch = &card->dch;
282 	if (!dch->tx_skb)
284 	count = dch->tx_skb->len - dch->tx_idx;
291 	ptr = dch->tx_skb->data + dch->tx_idx;
292 	dch->tx_idx += count;
295 	if (test_and_set_bit(FLG_BUSY_TIMER, &dch->Flags)) {
297 		timer_delete(&dch->timer);
299 	dch->timer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ) / 1000);
300 	add_timer(&dch->timer);
311 	struct dchannel *dch = &card->dch;
313 	if (test_and_clear_bit(FLG_BUSY_TIMER, &dch->Flags))
314 		timer_delete(&dch->timer);
316 	if (test_and_clear_bit(FLG_L1_BUSY, &dch->Flags))
317 		dchannel_sched_event(dch, D_CLEARBUSY);
319 	if (test_bit(FLG_TX_BUSY, &dch->Flags)) {
321 		dch->tx_idx = 0;
323 	} else if (dch->tx_skb) { /* should not happen */
325 		test_and_set_bit(FLG_TX_BUSY, &dch->Flags);
326 		dch->tx_idx = 0;
330 		if (get_next_dframe(dch))
345 			card->dch.err_rx++;
351 			card->dch.err_crc++;
357 			card->dch.err_rx++;
360 		dev_kfree_skb(card->dch.rx_skb);
361 		card->dch.rx_skb = NULL;
368 		recv_Dchannel(&card->dch);
374 	if (test_and_clear_bit(FLG_BUSY_TIMER, &card->dch.Flags))
375 		timer_delete(&card->dch.timer);
376 	if (card->dch.tx_skb && card->dch.tx_idx < card->dch.tx_skb->len) {
379 		dev_kfree_skb(card->dch.tx_skb);
380 		if (get_next_dframe(&card->dch))
388 	struct dchannel *dch = &card->dch;
398 		dch->err_tx++;
419 				 dch->state, v1);
805 	struct dchannel *dch = timer_container_of(dch, t, timer);
806 	struct w6692_hw	*card = dch->hw;
810 	if (test_bit(FLG_BUSY_TIMER, &dch->Flags)) {
817 			test_and_set_bit(FLG_L1_BUSY, &dch->Flags);
820 			test_and_clear_bit(FLG_BUSY_TIMER, &dch->Flags);
821 			if (dch->tx_idx)
822 				dch->tx_idx = 0;
837 	timer_setup(&card->dch.timer, dbusy_timer_handler, 0);
1014 		ret = l1_event(card->dch.l1, HW_TIMER3_VALUE | (cq->p1 & 0xff));
1061 	struct dchannel		*dch = container_of(dev, struct dchannel, dev);
1062 	struct w6692_hw		*card = container_of(dch, struct w6692_hw, dch);
1071 		ret = dchannel_senddata(dch, skb);
1082 		ret = l1_event(dch->l1, hh->prim);
1085 		test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
1086 		ret = l1_event(dch->l1, hh->prim);
1096 w6692_l1callback(struct dchannel *dch, u32 cmd)
1098 	struct w6692_hw *card = container_of(dch, struct w6692_hw, dch);
1121 		skb_queue_purge(&dch->squeue);
1122 		if (dch->tx_skb) {
1123 			dev_kfree_skb(dch->tx_skb);
1124 			dch->tx_skb = NULL;
1126 		dch->tx_idx = 0;
1127 		if (dch->rx_skb) {
1128 			dev_kfree_skb(dch->rx_skb);
1129 			dch->rx_skb = NULL;
1131 		test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
1132 		if (test_and_clear_bit(FLG_BUSY_TIMER, &dch->Flags))
1133 			timer_delete(&dch->timer);
1141 		test_and_set_bit(FLG_ACTIVE, &dch->Flags);
1142 		_queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
1146 		test_and_clear_bit(FLG_ACTIVE, &dch->Flags);
1147 		_queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
1162 		 card->dch.dev.id, caller);
1168 	rq->ch = &card->dch.dev.D;
1170 	if (card->dch.state == 7)
1180 	struct dchannel *dch = container_of(dev, struct dchannel, dev);
1181 	struct w6692_hw *card = container_of(dch, struct w6692_hw, dch);
1200 			 dch->dev.id, __builtin_return_address(0));
1259 	l1_event(card->dch.l1, CLOSE_CHANNEL);
1260 	mISDN_unregister_device(&card->dch.dev);
1264 	mISDN_freedchannel(&card->dch);
1286 	mISDN_initdchannel(&card->dch, MAX_DFRAME_LEN_L1, W6692_ph_bh);
1287 	card->dch.dev.Dprotocols = (1 << ISDN_P_TE_S0);
1288 	card->dch.dev.D.send = w6692_l2l1D;
1289 	card->dch.dev.D.ctrl = w6692_dctrl;
1290 	card->dch.dev.Bprotocols = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) |
1292 	card->dch.hw = card;
1293 	card->dch.dev.nrbchan = 2;
1302 		set_channelmap(i + 1, card->dch.dev.channelmap);
1303 		list_add(&card->bc[i].bch.ch.list, &card->dch.dev.bchannels);
1308 	err = mISDN_register_device(&card->dch.dev, &card->pdev->dev,
1315 	err = create_l1(&card->dch, w6692_l1callback);
1324 	mISDN_unregister_device(&card->dch.dev);
1330 	mISDN_freedchannel(&card->dch);