/* $Id: command.c,v 1.4.10.1 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 #include "includes.h" /* This must be first */ #include "hardware.h" #include "message.h" #include "card.h" #include "scioc.h" static int dial(int card, unsigned long channel, setup_parm setup); static int hangup(int card, unsigned long channel); static int answer(int card, unsigned long channel); static int clreaz(int card, unsigned long channel); static int seteaz(int card, unsigned long channel, char *); static int setl2(int card, unsigned long arg); static int setl3(int card, unsigned long arg); static int acceptb(int card, unsigned long channel); extern int cinst; extern board *sc_adapter[]; extern int sc_ioctl(int, scs_ioctl *); extern int setup_buffers(int, int, unsigned int); extern int indicate_status(int, int,ulong,char*); extern void check_reset(unsigned long); extern int send_and_receive(int, unsigned int, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char *, RspMessage *, int); extern int sendmessage(int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int *); extern inline void pullphone(char *, char *); #ifdef DEBUG /* * Translate command codes to strings */ static char *commands[] = { "ISDN_CMD_IOCTL", "ISDN_CMD_DIAL", "ISDN_CMD_ACCEPTB", "ISDN_CMD_ACCEPTB", "ISDN_CMD_HANGUP", "ISDN_CMD_CLREAZ", "ISDN_CMD_SETEAZ", NULL, NULL, NULL, "ISDN_CMD_SETL2", NULL, "ISDN_CMD_SETL3", NULL, NULL, NULL, NULL, NULL, }; /* * Translates ISDN4Linux protocol codes to strings for debug messages */ static char *l3protos[] = { "ISDN_PROTO_L3_TRANS" }; static char *l2protos[] = { "ISDN_PROTO_L2_X75I", "ISDN_PROTO_L2_X75UI", "ISDN_PROTO_L2_X75BUI", "ISDN_PROTO_L2_HDLC", "ISDN_PROTO_L2_TRANS" }; #endif int get_card_from_id(int driver) { int i; for(i = 0 ; i < cinst ; i++) { if(sc_adapter[i]->driverId == driver) return i; } return -ENODEV; } /* * command */ int command(isdn_ctrl *cmd) { int card; card = get_card_from_id(cmd->driver); if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } pr_debug("%s: Received %s command from Link Layer\n", sc_adapter[card]->devicename, commands[cmd->command]); /* * Dispatch the command */ switch(cmd->command) { case ISDN_CMD_IOCTL: { unsigned long cmdptr; scs_ioctl ioc; memcpy(&cmdptr, cmd->parm.num, sizeof(unsigned long)); if (copy_from_user(&ioc, (scs_ioctl __user *)cmdptr, sizeof(scs_ioctl))) { pr_debug("%s: Failed to verify user space 0x%x\n", sc_adapter[card]->devicename, cmdptr); return -EFAULT; } return sc_ioctl(card, &ioc); } case ISDN_CMD_DIAL: return dial(card, cmd->arg, cmd->parm.setup); case ISDN_CMD_HANGUP: return hangup(card, cmd->arg); case ISDN_CMD_ACCEPTD: return answer(card, cmd->arg); case ISDN_CMD_ACCEPTB: return acceptb(card, cmd->arg); case ISDN_CMD_CLREAZ: return clreaz(card, cmd->arg); case ISDN_CMD_SETEAZ: return seteaz(card, cmd->arg, cmd->parm.num); case ISDN_CMD_SETL2: return setl2(card, cmd->arg); case ISDN_CMD_SETL3: return setl3(card, cmd->arg); default: return -EINVAL; } return 0; } /* * start the onboard firmware */ int startproc(int card) { int status; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } /* * send start msg */ status = sendmessage(card, CMPID,cmReqType2, cmReqClass0, cmReqStartProc, 0,0,NULL); pr_debug("%s: Sent startProc\n", sc_adapter[card]->devicename); return status; } /* * Dials the number passed in */ static int dial(int card, unsigned long channel, setup_parm setup) { int status; char Phone[48]; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } /*extract ISDN number to dial from eaz/msn string*/ strcpy(Phone,setup.phone); /*send the connection message*/ status = sendmessage(card, CEPID,ceReqTypePhy, ceReqClass1, ceReqPhyConnect, (unsigned char) channel+1, strlen(Phone), (unsigned int *) Phone); pr_debug("%s: Dialing %s on channel %d\n", sc_adapter[card]->devicename, Phone, channel+1); return status; } /* * Answer an incoming call */ static int answer(int card, unsigned long channel) { if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } if(setup_buffers(card, channel+1, BUFFER_SIZE)) { hangup(card, channel+1); return -ENOBUFS; } indicate_status(card, ISDN_STAT_BCONN,channel,NULL); pr_debug("%s: Answered incoming call on channel %s\n", sc_adapter[card]->devicename, channel+1); return 0; } /* * Hangup up the call on specified channel */ static int hangup(int card, unsigned long channel) { int status; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } status = sendmessage(card, CEPID, ceReqTypePhy, ceReqClass1, ceReqPhyDisconnect, (unsigned char) channel+1, 0, NULL); pr_debug("%s: Sent HANGUP message to channel %d\n", sc_adapter[card]->devicename, channel+1); return status; } /* * Set the layer 2 protocol (X.25, HDLC, Raw) */ static int setl2(int card, unsigned long arg) { int status =0; int protocol,channel; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } protocol = arg >> 8; channel = arg & 0xff; sc_adapter[card]->channel[channel].l2_proto = protocol; pr_debug("%s: Level 2 protocol for channel %d set to %s from %d\n", sc_adapter[card]->devicename, channel+1, l2protos[sc_adapter[card]->channel[channel].l2_proto],protocol); /* * check that the adapter is also set to the correct protocol */ pr_debug("%s: Sending GetFrameFormat for channel %d\n", sc_adapter[card]->devicename, channel+1); status = sendmessage(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetFrameFormat, (unsigned char)channel+1, 1, (unsigned int *) protocol); if(status) return status; return 0; } /* * Set the layer 3 protocol */ static int setl3(int card, unsigned long channel) { int protocol = channel >> 8; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } sc_adapter[card]->channel[channel].l3_proto = protocol; pr_debug("%s: Level 3 protocol for channel %d set to %s\n", sc_adapter[card]->devicename, channel+1, l3protos[protocol]); return 0; } static int acceptb(int card, unsigned long channel) { if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } if(setup_buffers(card, channel+1, BUFFER_SIZE)) { hangup(card, channel+1); return -ENOBUFS; } pr_debug("%s: B-Channel connection accepted on channel %d\n", sc_adapter[card]->devicename, channel+1); indicate_status(card, ISDN_STAT_BCONN, channel, NULL); return 0; } static int clreaz(int card, unsigned long arg) { if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } strcpy(sc_adapter[card]->channel[arg].eazlist, ""); sc_adapter[card]->channel[arg].eazclear = 1; pr_debug("%s: EAZ List cleared for channel %d\n", sc_adapter[card]->devicename, arg+1); return 0; } static int seteaz(int card, unsigned long arg, char *num) { if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } strcpy(sc_adapter[card]->channel[arg].eazlist, num); sc_adapter[card]->channel[arg].eazclear = 0; pr_debug("%s: EAZ list for channel %d set to: %s\n", sc_adapter[card]->devicename, arg+1, sc_adapter[card]->channel[arg].eazlist); return 0; } int reset(int card) { unsigned long flags; if(!IS_VALID_CARD(card)) { pr_debug("Invalid param: %d is not a valid card id\n", card); return -ENODEV; } indicate_status(card, ISDN_STAT_STOP, 0, NULL); if(sc_adapter[card]->EngineUp) { del_timer(&sc_adapter[card]->stat_timer); } sc_adapter[card]->EngineUp = 0; spin_lock_irqsave(&sc_adapter[card]->lock, flags); init_timer(&sc_adapter[card]->reset_timer); sc_adapter[card]->reset_timer.function = check_reset; sc_adapter[card]->reset_timer.data = card; sc_adapter[card]->reset_timer.expires = jiffies + CHECKRESET_TIME; add_timer(&sc_adapter[card]->reset_timer); spin_unlock_irqrestore(&sc_adapter[card]->lock, flags); outb(0x1,sc_adapter[card]->ioport[SFT_RESET]); pr_debug("%s: Adapter Reset\n", sc_adapter[card]->devicename); return 0; } void flushreadfifo (int card) { while(inb(sc_adapter[card]->ioport[FIFO_STATUS]) & RF_HAS_DATA) inb(sc_adapter[card]->ioport[FIFO_READ]); }
