66 static int set_protocol_running(struct pcbit_dev * dev);
68 static void pcbit_clear_msn(struct pcbit_dev *dev);
69 static void pcbit_set_msn(struct pcbit_dev *dev, char *list);
70 static int pcbit_check_msn(struct pcbit_dev *dev, char *msn);
77 	struct pcbit_dev *dev;  in pcbit_init_dev()  local
80 	if ((dev=kmalloc(sizeof(struct pcbit_dev), GFP_KERNEL)) == NULL)  in pcbit_init_dev()
86 	dev_pcbit[board] = dev;  in pcbit_init_dev()
87 	memset(dev, 0, sizeof(struct pcbit_dev));  in pcbit_init_dev()
88 	init_waitqueue_head(&dev->set_running_wq);  in pcbit_init_dev()
91 		dev->ph_mem = mem_base;  in pcbit_init_dev()
92 		if (check_mem_region(dev->ph_mem, 4096)) {  in pcbit_init_dev()
95 				dev->ph_mem, dev->ph_mem + 4096);  in pcbit_init_dev()
96 			kfree(dev);  in pcbit_init_dev()
100 			request_mem_region(dev->ph_mem, 4096, "PCBIT mem");  in pcbit_init_dev()
102 		dev->sh_mem = (unsigned char*)ioremap(dev->ph_mem, 4096);  in pcbit_init_dev()
107 		kfree(dev);  in pcbit_init_dev()
112 	dev->b1 = kmalloc(sizeof(struct pcbit_chan), GFP_KERNEL);  in pcbit_init_dev()
113 	if (!dev->b1) {  in pcbit_init_dev()
115 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_init_dev()
116 		release_mem_region(dev->ph_mem, 4096);  in pcbit_init_dev()
117 		kfree(dev);  in pcbit_init_dev()
121 	dev->b2 = kmalloc(sizeof(struct pcbit_chan), GFP_KERNEL);  in pcbit_init_dev()
122 	if (!dev->b2) {  in pcbit_init_dev()
124 		kfree(dev->b1);  in pcbit_init_dev()
125 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_init_dev()
126 		release_mem_region(dev->ph_mem, 4096);  in pcbit_init_dev()
127 		kfree(dev);  in pcbit_init_dev()
131 	memset(dev->b1, 0, sizeof(struct pcbit_chan));  in pcbit_init_dev()
132 	memset(dev->b2, 0, sizeof(struct pcbit_chan));  in pcbit_init_dev()
133 	dev->b2->id = 1;  in pcbit_init_dev()
135 	dev->qdelivery.sync = 0;  in pcbit_init_dev()
136 	dev->qdelivery.routine = pcbit_deliver;  in pcbit_init_dev()
137 	dev->qdelivery.data = dev;  in pcbit_init_dev()
143 	if (request_irq(irq, &pcbit_irq_handler, 0, pcbit_devname[board], dev) != 0)   in pcbit_init_dev()
145 		kfree(dev->b1);  in pcbit_init_dev()
146 		kfree(dev->b2);  in pcbit_init_dev()
147 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_init_dev()
148 		release_mem_region(dev->ph_mem, 4096);  in pcbit_init_dev()
149 		kfree(dev);  in pcbit_init_dev()
154 	dev->irq = irq;  in pcbit_init_dev()
157 	dev->rcv_seq = 0;  in pcbit_init_dev()
158 	dev->send_seq = 0;  in pcbit_init_dev()
159 	dev->unack_seq = 0;  in pcbit_init_dev()
161 	dev->hl_hdrlen = 16;  in pcbit_init_dev()
166 		free_irq(irq, dev);  in pcbit_init_dev()
167 		kfree(dev->b1);  in pcbit_init_dev()
168 		kfree(dev->b2);  in pcbit_init_dev()
169 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_init_dev()
170 		release_mem_region(dev->ph_mem, 4096);  in pcbit_init_dev()
171 		kfree(dev);  in pcbit_init_dev()
176 	dev->dev_if = dev_if;  in pcbit_init_dev()
197 		free_irq(irq, dev);  in pcbit_init_dev()
198 		kfree(dev->b1);  in pcbit_init_dev()
199 		kfree(dev->b2);  in pcbit_init_dev()
200 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_init_dev()
201 		release_mem_region(dev->ph_mem, 4096);  in pcbit_init_dev()
202 		kfree(dev);  in pcbit_init_dev()
207 	dev->id = dev_if->channels;  in pcbit_init_dev()
210 	dev->l2_state = L2_DOWN;  in pcbit_init_dev()
211 	dev->free = 511;  in pcbit_init_dev()
223 	struct pcbit_dev * dev;  in pcbit_terminate()  local
225 	dev = dev_pcbit[board];  in pcbit_terminate()
227 	if (dev) {  in pcbit_terminate()
229 		free_irq(dev->irq, dev);  in pcbit_terminate()
230 		pcbit_clear_msn(dev);  in pcbit_terminate()
231 		kfree(dev->dev_if);  in pcbit_terminate()
232 		if (dev->b1->fsm_timer.function)  in pcbit_terminate()
233 			del_timer(&dev->b1->fsm_timer);  in pcbit_terminate()
234 		if (dev->b2->fsm_timer.function)  in pcbit_terminate()
235 			del_timer(&dev->b2->fsm_timer);  in pcbit_terminate()
236 		kfree(dev->b1);  in pcbit_terminate()
237 		kfree(dev->b2);  in pcbit_terminate()
238 		iounmap((unsigned char*)dev->sh_mem);  in pcbit_terminate()
239 		release_mem_region(dev->ph_mem, 4096);  in pcbit_terminate()
240 		kfree(dev);  in pcbit_terminate()
247 	struct pcbit_dev  *dev;  in pcbit_command()  local
251 	dev = finddev(ctl->driver);  in pcbit_command()
253 	if (!dev)  in pcbit_command()
259 	chan = (ctl->arg & 0x0F) ? dev->b2 : dev->b1;  in pcbit_command()
269 		pcbit_fsm_event(dev, chan, EV_USR_SETUP_REQ, &info);  in pcbit_command()
272 		pcbit_fsm_event(dev, chan, EV_USR_SETUP_RESP, NULL);  in pcbit_command()
278 		pcbit_fsm_event(dev, chan, EV_USR_RELEASE_REQ, NULL);  in pcbit_command()
293 		pcbit_clear_msn(dev);  in pcbit_command()
296 		pcbit_set_msn(dev, ctl->parm.num);  in pcbit_command()
328 	struct pcbit_dev * dev;  in pcbit_block_timer()  local
333 	dev = chan2dev(chan);  in pcbit_block_timer()
335 	if (dev == NULL) {  in pcbit_block_timer()
347 	ictl.driver = dev->id;  in pcbit_block_timer()
350 	dev->dev_if->statcallb(&ictl);       in pcbit_block_timer()
359 	struct pcbit_dev *dev;  in pcbit_xmit()  local
361 	dev = finddev(driver);  in pcbit_xmit()
362 	if (dev == NULL)  in pcbit_xmit()
368 	chan = chnum ? dev->b2 : dev->b1;  in pcbit_xmit()
408 	pcbit_l2_write(dev, MSG_TDATA_REQ, refnum, skb, hdrlen);  in pcbit_xmit()
415 	struct pcbit_dev * dev;  in pcbit_writecmd()  local
422 	dev = finddev(driver);  in pcbit_writecmd()
424 	if (!dev)  in pcbit_writecmd()
430 	switch(dev->l2_state) {  in pcbit_writecmd()
449 			memcpy_toio(dev->sh_mem, cbuf, len);  in pcbit_writecmd()
453 			memcpy_toio(dev->sh_mem, buf, len);  in pcbit_writecmd()
476 				if (!(readb(dev->sh_mem + dev->loadptr)))  in pcbit_writecmd()
485 			writeb(loadbuf[i], dev->sh_mem + dev->loadptr + 1);  in pcbit_writecmd()
486 			writeb(0x01, dev->sh_mem + dev->loadptr);  in pcbit_writecmd()
488 			dev->loadptr += 2;  in pcbit_writecmd()
489 			if (dev->loadptr > LOAD_ZONE_END)  in pcbit_writecmd()
490 				dev->loadptr = LOAD_ZONE_START;  in pcbit_writecmd()
507 void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,   in pcbit_l3_receive()  argument
521 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
529 		dev->dev_if->rcvcallb_skb(dev->id, chan->id, skb);  in pcbit_l3_receive()
532 			pcbit_l2_write(dev, MSG_TDATA_RESP, refnum,   in pcbit_l3_receive()
537 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
557 		ictl.driver = dev->id;  in pcbit_l3_receive()
560 		dev->dev_if->statcallb(&ictl);  in pcbit_l3_receive()
569 		if (!dev->b1->fsm_state)  in pcbit_l3_receive()
570 			chan = dev->b1;  in pcbit_l3_receive()
571 		else if (!dev->b2->fsm_state)  in pcbit_l3_receive()
572 			chan = dev->b2;  in pcbit_l3_receive()
578 				pcbit_l2_write(dev, MSG_DISC_REQ, refnum, skb2, len);  in pcbit_l3_receive()
588 		pcbit_fsm_event(dev, chan, EV_NET_SETUP, NULL);  in pcbit_l3_receive()
590 		if (pcbit_check_msn(dev, cbdata.data.setup.CallingPN))   in pcbit_l3_receive()
591 			pcbit_fsm_event(dev, chan, EV_USR_PROCED_REQ, &cbdata);  in pcbit_l3_receive()
593 			pcbit_fsm_event(dev, chan, EV_USR_RELEASE_REQ, NULL);  in pcbit_l3_receive()
609 		       dev->b1->s_refnum,   in pcbit_l3_receive()
610 		       dev->b2->s_refnum);  in pcbit_l3_receive()
614 		if (dev->b1->fsm_state == ST_CALL_INIT)  in pcbit_l3_receive()
615 			chan = dev->b1;  in pcbit_l3_receive()
617 			if (dev->b2->s_refnum == ST_CALL_INIT)  in pcbit_l3_receive()
618 				chan = dev->b2;  in pcbit_l3_receive()
627 			pcbit_fsm_event(dev, chan, EV_ERROR, NULL);  in pcbit_l3_receive()
631 				pcbit_fsm_event(dev, chan, EV_NET_CALL_PROC, NULL);  in pcbit_l3_receive()
633 				pcbit_fsm_event(dev, chan, EV_NET_SETUP_ACK, NULL);  in pcbit_l3_receive()
637 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
649 		pcbit_fsm_event(dev, chan, EV_NET_CONN, NULL);  in pcbit_l3_receive()
653 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
660 			pcbit_fsm_event(dev, chan, EV_NET_CONN_ACK, NULL);  in pcbit_l3_receive()
668 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
675 			pcbit_fsm_event(dev, chan, EV_NET_SELP_RESP, NULL);  in pcbit_l3_receive()
682 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
689 			pcbit_fsm_event(dev, chan, EV_NET_ACTV_RESP, NULL);  in pcbit_l3_receive()
694 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
701 			pcbit_fsm_event(dev, chan, EV_NET_DISC, NULL);  in pcbit_l3_receive()
706 		if (!(chan = capi_channel(dev, skb))) {  in pcbit_l3_receive()
713 			pcbit_fsm_event(dev, chan, EV_NET_RELEASE, NULL);  in pcbit_l3_receive()
803 static void pcbit_logstat(struct pcbit_dev *dev, char *str)  in pcbit_logstat()  argument
817 	ictl.driver=dev->id;  in pcbit_logstat()
819 	dev->dev_if->statcallb(&ictl);  in pcbit_logstat()
826 void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan,   in pcbit_state_change()  argument
832 		dev->id, chan->id,   in pcbit_state_change()
840 	pcbit_logstat(dev, buf);  in pcbit_state_change()
845 	struct pcbit_dev * dev;  in set_running_timeout()  local
850 	dev = (struct pcbit_dev *) ptr;  in set_running_timeout()
852 	wake_up_interruptible(&dev->set_running_wq);  in set_running_timeout()
855 static int set_protocol_running(struct pcbit_dev * dev)  in set_protocol_running()  argument
859 	init_timer(&dev->set_running_timer);  in set_protocol_running()
861 	dev->set_running_timer.function = &set_running_timeout;  in set_protocol_running()
862 	dev->set_running_timer.data = (ulong) dev;  in set_protocol_running()
863 	dev->set_running_timer.expires = jiffies + SET_RUN_TIMEOUT;  in set_protocol_running()
867 	dev->l2_state = L2_STARTING;  in set_protocol_running()
869 	writeb((0x80U | ((dev->rcv_seq & 0x07) << 3) | (dev->send_seq & 0x07)),   in set_protocol_running()
870 	       dev->sh_mem + BANK4);  in set_protocol_running()
872 	add_timer(&dev->set_running_timer);  in set_protocol_running()
874 	interruptible_sleep_on(&dev->set_running_wq);  in set_protocol_running()
876 	del_timer(&dev->set_running_timer);  in set_protocol_running()
878 	if (dev->l2_state == L2_RUNNING)  in set_protocol_running()
882 		dev->unack_seq = dev->send_seq;  in set_protocol_running()
884 		dev->writeptr = dev->sh_mem;  in set_protocol_running()
885 		dev->readptr = dev->sh_mem + BANK2;  in set_protocol_running()
888 		ctl.driver = dev->id;  in set_protocol_running()
891 		dev->dev_if->statcallb(&ctl);  in set_protocol_running()
898 		dev->l2_state = L2_DOWN;  in set_protocol_running()
902 		       readb(dev->sh_mem + BANK3));  in set_protocol_running()
904 		*(dev->sh_mem + BANK4) = 0x40U;  in set_protocol_running()
907 		ctl.driver = dev->id;  in set_protocol_running()
910 		dev->dev_if->statcallb(&ctl);  in set_protocol_running()
920 	struct pcbit_dev * dev;  in pcbit_ioctl()  local
923 	dev = finddev(ctl->driver);  in pcbit_ioctl()
925 	if (!dev)  in pcbit_ioctl()
935 		cmd->info.l2_status = dev->l2_state;  in pcbit_ioctl()
939 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
942 		dev->unack_seq = dev->send_seq = dev->rcv_seq = 0;  in pcbit_ioctl()
944 		dev->writeptr = dev->sh_mem;  in pcbit_ioctl()
945 		dev->readptr = dev->sh_mem + BANK2;  in pcbit_ioctl()
947 		dev->l2_state = L2_LOADING;  in pcbit_ioctl()
951 		if (dev->l2_state != L2_LOADING)  in pcbit_ioctl()
954 		dev->l2_state = L2_LWMODE;  in pcbit_ioctl()
958 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
960 		dev->loadptr = LOAD_ZONE_START;  in pcbit_ioctl()
961 		dev->l2_state = L2_FWMODE;  in pcbit_ioctl()
965 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
967 		dev->l2_state = L2_DOWN;  in pcbit_ioctl()
971 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
978 		writeb(cmd->info.rdp_byte.value, dev->sh_mem + cmd->info.rdp_byte.addr);  in pcbit_ioctl()
981 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
992 		cmd->info.rdp_byte.value = readb(dev->sh_mem + cmd->info.rdp_byte.addr);   in pcbit_ioctl()
995 		if (dev->l2_state == L2_RUNNING)  in pcbit_ioctl()
997 		return set_protocol_running(dev);  in pcbit_ioctl()
1000 		if (dev->l2_state != L2_LOADING)  in pcbit_ioctl()
1002 		pcbit_l2_write(dev, MSG_WATCH188, 0x0001, NULL, 0);  in pcbit_ioctl()
1005 		if (dev->l2_state != L2_LOADING)  in pcbit_ioctl()
1007 		pcbit_l2_write(dev, MSG_PING188_REQ, 0x0001, NULL, 0);  in pcbit_ioctl()
1010 		if (dev->l2_state != L2_LOADING)  in pcbit_ioctl()
1012 		pcbit_l2_write(dev, MSG_API_ON, 0x0001, NULL, 0);  in pcbit_ioctl()
1015 		dev->l2_state = L2_DOWN;  in pcbit_ioctl()
1016 		writeb(0x40, dev->sh_mem + BANK4);  in pcbit_ioctl()
1017 		dev->rcv_seq = 0;  in pcbit_ioctl()
1018 		dev->send_seq = 0;  in pcbit_ioctl()
1019 		dev->unack_seq = 0;  in pcbit_ioctl()
1035 static void pcbit_clear_msn(struct pcbit_dev *dev)  in pcbit_clear_msn()  argument
1039 	for (ptr=dev->msn_list; ptr; )  in pcbit_clear_msn()
1046 	dev->msn_list = NULL;   in pcbit_clear_msn()
1049 static void pcbit_set_msn(struct pcbit_dev *dev, char *list)  in pcbit_set_msn()  argument
1065 		ptr->next = dev->msn_list;  in pcbit_set_msn()
1066 		dev->msn_list = ptr;  in pcbit_set_msn()
1071 	if (dev->msn_list)  in pcbit_set_msn()
1072 		for (back=dev->msn_list; back->next; back=back->next);  in pcbit_set_msn()
1103 		if (dev->msn_list == NULL)  in pcbit_set_msn()
1104 			dev->msn_list = ptr;  in pcbit_set_msn()
1115 static int pcbit_check_msn(struct pcbit_dev *dev, char *msn)  in pcbit_check_msn()  argument
1119 	for (ptr=dev->msn_list; ptr; ptr=ptr->next) {  in pcbit_check_msn()