diff options
Diffstat (limited to 'drivers/isdn/sc/interrupt.c')
-rw-r--r-- | drivers/isdn/sc/interrupt.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/drivers/isdn/sc/interrupt.c b/drivers/isdn/sc/interrupt.c deleted file mode 100644 index e80cc76bc314..000000000000 --- a/drivers/isdn/sc/interrupt.c +++ /dev/null @@ -1,247 +0,0 @@ -/* $Id: interrupt.c,v 1.4.8.3 2001/09/23 22:24:59 kai Exp $ - * - * Copyright (C) 1996 SpellCaster Telecommunications Inc. - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - * For more information, please contact gpl-info@spellcast.com or write: - * - * SpellCaster Telecommunications Inc. - * 5621 Finch Avenue East, Unit #3 - * Scarborough, Ontario Canada - * M1B 2T9 - * +1 (416) 297-8565 - * +1 (416) 297-6433 Facsimile - */ - -#include "includes.h" -#include "hardware.h" -#include "message.h" -#include "card.h" -#include <linux/interrupt.h> - -/* - * - */ -irqreturn_t interrupt_handler(int dummy, void *card_inst) -{ - - RspMessage rcvmsg; - int channel; - int card = (int)(unsigned long) card_inst; - - if (!IS_VALID_CARD(card)) { - pr_debug("Invalid param: %d is not a valid card id\n", card); - return IRQ_NONE; - } - - pr_debug("%s: Entered Interrupt handler\n", - sc_adapter[card]->devicename); - - /* - * Pull all of the waiting messages off the response queue - */ - while (!receivemessage(card, &rcvmsg)) { - /* - * Push the message to the adapter structure for - * send_and_receive to snoop - */ - if (sc_adapter[card]->want_async_messages) - memcpy(&(sc_adapter[card]->async_msg), - &rcvmsg, sizeof(RspMessage)); - - channel = (unsigned int) rcvmsg.phy_link_no; - - /* - * Trap Invalid request messages - */ - if (IS_CM_MESSAGE(rcvmsg, 0, 0, Invalid)) { - pr_debug("%s: Invalid request Message, rsp_status = %d\n", - sc_adapter[card]->devicename, - rcvmsg.rsp_status); - break; - } - - /* - * Check for a linkRead message - */ - if (IS_CE_MESSAGE(rcvmsg, Lnk, 1, Read)) - { - pr_debug("%s: Received packet 0x%x bytes long at 0x%lx\n", - sc_adapter[card]->devicename, - rcvmsg.msg_data.response.msg_len, - rcvmsg.msg_data.response.buff_offset); - rcvpkt(card, &rcvmsg); - continue; - - } - - /* - * Handle a write acknoledgement - */ - if (IS_CE_MESSAGE(rcvmsg, Lnk, 1, Write)) { - pr_debug("%s: Packet Send ACK on channel %d\n", - sc_adapter[card]->devicename, - rcvmsg.phy_link_no); - sc_adapter[card]->channel[rcvmsg.phy_link_no - 1].free_sendbufs++; - continue; - } - - /* - * Handle a connection message - */ - if (IS_CE_MESSAGE(rcvmsg, Phy, 1, Connect)) - { - unsigned int callid; - setup_parm setup; - pr_debug("%s: Connect message: line %d: status %d: cause 0x%x\n", - sc_adapter[card]->devicename, - rcvmsg.phy_link_no, - rcvmsg.rsp_status, - rcvmsg.msg_data.byte_array[2]); - - memcpy(&callid, rcvmsg.msg_data.byte_array, sizeof(int)); - if (callid >= 0x8000 && callid <= 0xFFFF) - { - pr_debug("%s: Got Dial-Out Rsp\n", - sc_adapter[card]->devicename); - indicate_status(card, ISDN_STAT_DCONN, - (unsigned long)rcvmsg.phy_link_no - 1, NULL); - - } - else if (callid >= 0x0000 && callid <= 0x7FFF) - { - int len; - - pr_debug("%s: Got Incoming Call\n", - sc_adapter[card]->devicename); - len = strlcpy(setup.phone, &(rcvmsg.msg_data.byte_array[4]), - sizeof(setup.phone)); - if (len >= sizeof(setup.phone)) - continue; - len = strlcpy(setup.eazmsn, - sc_adapter[card]->channel[rcvmsg.phy_link_no - 1].dn, - sizeof(setup.eazmsn)); - if (len >= sizeof(setup.eazmsn)) - continue; - setup.si1 = 7; - setup.si2 = 0; - setup.plan = 0; - setup.screen = 0; - - indicate_status(card, ISDN_STAT_ICALL, (unsigned long)rcvmsg.phy_link_no - 1, (char *)&setup); - indicate_status(card, ISDN_STAT_DCONN, (unsigned long)rcvmsg.phy_link_no - 1, NULL); - } - continue; - } - - /* - * Handle a disconnection message - */ - if (IS_CE_MESSAGE(rcvmsg, Phy, 1, Disconnect)) - { - pr_debug("%s: disconnect message: line %d: status %d: cause 0x%x\n", - sc_adapter[card]->devicename, - rcvmsg.phy_link_no, - rcvmsg.rsp_status, - rcvmsg.msg_data.byte_array[2]); - - indicate_status(card, ISDN_STAT_BHUP, (unsigned long)rcvmsg.phy_link_no - 1, NULL); - indicate_status(card, ISDN_STAT_DHUP, (unsigned long)rcvmsg.phy_link_no - 1, NULL); - continue; - - } - - /* - * Handle a startProc engine up message - */ - if (IS_CM_MESSAGE(rcvmsg, 5, 0, MiscEngineUp)) { - pr_debug("%s: Received EngineUp message\n", - sc_adapter[card]->devicename); - sc_adapter[card]->EngineUp = 1; - sendmessage(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetMyNumber, 1, 0, NULL); - sendmessage(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetMyNumber, 2, 0, NULL); - init_timer(&sc_adapter[card]->stat_timer); - sc_adapter[card]->stat_timer.function = check_phystat; - sc_adapter[card]->stat_timer.data = card; - sc_adapter[card]->stat_timer.expires = jiffies + CHECKSTAT_TIME; - add_timer(&sc_adapter[card]->stat_timer); - continue; - } - - /* - * Start proc response - */ - if (IS_CM_MESSAGE(rcvmsg, 2, 0, StartProc)) { - pr_debug("%s: StartProc Response Status %d\n", - sc_adapter[card]->devicename, - rcvmsg.rsp_status); - continue; - } - - /* - * Handle a GetMyNumber Rsp - */ - if (IS_CE_MESSAGE(rcvmsg, Call, 0, GetMyNumber)) { - strlcpy(sc_adapter[card]->channel[rcvmsg.phy_link_no - 1].dn, - rcvmsg.msg_data.byte_array, - sizeof(rcvmsg.msg_data.byte_array)); - continue; - } - - /* - * PhyStatus response - */ - if (IS_CE_MESSAGE(rcvmsg, Phy, 2, Status)) { - unsigned int b1stat, b2stat; - - /* - * Covert the message data to the adapter->phystat code - */ - b1stat = (unsigned int) rcvmsg.msg_data.byte_array[0]; - b2stat = (unsigned int) rcvmsg.msg_data.byte_array[1]; - - sc_adapter[card]->nphystat = (b2stat >> 8) | b1stat; /* endian?? */ - pr_debug("%s: PhyStat is 0x%2x\n", - sc_adapter[card]->devicename, - sc_adapter[card]->nphystat); - continue; - } - - - /* - * Handle a GetFramFormat - */ - if (IS_CE_MESSAGE(rcvmsg, Call, 0, GetFrameFormat)) { - if (rcvmsg.msg_data.byte_array[0] != HDLC_PROTO) { - unsigned int proto = HDLC_PROTO; - /* - * Set board format to HDLC if it wasn't already - */ - pr_debug("%s: current frame format: 0x%x, will change to HDLC\n", - sc_adapter[card]->devicename, - rcvmsg.msg_data.byte_array[0]); - sendmessage(card, CEPID, ceReqTypeCall, - ceReqClass0, - ceReqCallSetFrameFormat, - (unsigned char)channel + 1, - 1, &proto); - } - continue; - } - - /* - * Hmm... - */ - pr_debug("%s: Received unhandled message (%d,%d,%d) link %d\n", - sc_adapter[card]->devicename, - rcvmsg.type, rcvmsg.class, rcvmsg.code, - rcvmsg.phy_link_no); - - } /* while */ - - pr_debug("%s: Exiting Interrupt Handler\n", - sc_adapter[card]->devicename); - return IRQ_HANDLED; -} |