364 lines
8.3 KiB
C
364 lines
8.3 KiB
C
/* $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 <linux/module.h>
|
|
#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);
|
|
|
|
#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;
|
|
}
|
|
|
|
/*
|
|
* 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%lx\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 %lu\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)) {
|
|
hangup(card, channel+1);
|
|
return -ENOBUFS;
|
|
}
|
|
|
|
indicate_status(card, ISDN_STAT_BCONN,channel,NULL);
|
|
pr_debug("%s: Answered incoming call on channel %lu\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 %lu\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;
|
|
|
|
/*
|
|
* 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;
|
|
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))
|
|
{
|
|
hangup(card, channel+1);
|
|
return -ENOBUFS;
|
|
}
|
|
|
|
pr_debug("%s: B-Channel connection accepted on channel %lu\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 %lu\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 %lu 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 = sc_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]);
|
|
}
|