patch-2.0.31 linux/drivers/isdn/sc/command.c
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- Lines: 564
- Date:
Mon Aug 4 17:34:01 1997
- Orig file:
v2.0.30/linux/drivers/isdn/sc/command.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.0.30/linux/drivers/isdn/sc/command.c linux/drivers/isdn/sc/command.c
@@ -0,0 +1,563 @@
+/*
+ * $Id: command.c,v 1.4 1997/03/30 16:51:34 calle Exp $
+ * Copyright (C) 1996 SpellCaster Telecommunications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * 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
+ */
+
+#define __NO_VERSION__
+#include "includes.h" /* This must be first */
+#include "hardware.h"
+#include "message.h"
+#include "card.h"
+#include "scioc.h"
+
+int dial(int card, unsigned long channel, setup_parm setup);
+int hangup(int card, unsigned long channel);
+int answer(int card, unsigned long channel);
+int clreaz(int card, unsigned long channel);
+int seteaz(int card, unsigned long channel, char *);
+int geteaz(int card, unsigned long channel, char *);
+int setsil(int card, unsigned long channel, char *);
+int getsil(int card, unsigned long channel, char *);
+int setl2(int card, unsigned long arg);
+int getl2(int card, unsigned long arg);
+int setl3(int card, unsigned long arg);
+int getl3(int card, unsigned long arg);
+int lock(void);
+int unlock(void);
+int acceptb(int card, unsigned long channel);
+
+extern int cinst;
+extern board *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",
+ "ISDN_CMD_GETEAZ",
+ "ISDN_CMD_SETSIL",
+ "ISDN_CMD_GETSIL",
+ "ISDN_CMD_SETL2",
+ "ISDN_CMD_GETL2",
+ "ISDN_CMD_SETL3",
+ "ISDN_CMD_GETL3",
+ "ISDN_CMD_LOCK",
+ "ISDN_CMD_UNLOCK",
+ "ISDN_CMD_SUSPEND",
+ "ISDN_CMD_RESUME" };
+
+/*
+ * 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(adapter[i]->driverId == driver)
+ return i;
+ }
+ return -NODEV;
+}
+
+/*
+ * 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",
+ adapter[card]->devicename, commands[cmd->command]);
+
+ /*
+ * Dispatch the command
+ */
+ switch(cmd->command) {
+ case ISDN_CMD_IOCTL:
+ {
+ unsigned long cmdptr;
+ scs_ioctl ioc;
+ int err;
+
+ memcpy(&cmdptr, cmd->parm.num, sizeof(unsigned long));
+ if((err = copy_from_user(&ioc, (scs_ioctl *) cmdptr,
+ sizeof(scs_ioctl)))) {
+ pr_debug("%s: Failed to verify user space 0x%x\n",
+ adapter[card]->devicename, cmdptr);
+ return err;
+ }
+ 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_GETEAZ:
+ return geteaz(card, cmd->arg, cmd->parm.num);
+ case ISDN_CMD_SETSIL:
+ return setsil(card, cmd->arg, cmd->parm.num);
+ case ISDN_CMD_GETSIL:
+ return getsil(card, cmd->arg, cmd->parm.num);
+ case ISDN_CMD_SETL2:
+ return setl2(card, cmd->arg);
+ case ISDN_CMD_GETL2:
+ return getl2(card, cmd->arg);
+ case ISDN_CMD_SETL3:
+ return setl3(card, cmd->arg);
+ case ISDN_CMD_GETL3:
+ return getl3(card, cmd->arg);
+ case ISDN_CMD_LOCK:
+ return lock();
+ case ISDN_CMD_UNLOCK:
+ return unlock();
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * Confirm our ability to communicate with the board. This test assumes no
+ * other message activity is present
+ */
+int loopback(int card)
+{
+
+ int status;
+ static char testmsg[] = "Test Message";
+ RspMessage rspmsg;
+
+ if(!IS_VALID_CARD(card)) {
+ pr_debug("Invalid param: %d is not a valid card id\n", card);
+ return -ENODEV;
+ }
+
+ pr_debug("%s: Sending loopback message\n", adapter[card]->devicename);
+
+
+ /*
+ * Send the loopback message to confirm that memory transfer is
+ * operational
+ */
+ status = send_and_receive(card, CMPID, cmReqType1,
+ cmReqClass0,
+ cmReqMsgLpbk,
+ 0,
+ (unsigned char) strlen(testmsg),
+ (unsigned char *)testmsg,
+ &rspmsg, SAR_TIMEOUT);
+
+
+ if (!status) {
+ pr_debug("%s: Loopback message successfully sent\n",
+ adapter[card]->devicename);
+ if(strcmp(rspmsg.msg_data.byte_array, testmsg)) {
+ pr_debug("%s: Loopback return != sent\n",
+ adapter[card]->devicename);
+ return -EIO;
+ }
+ return 0;
+ }
+ else {
+ pr_debug("%s: Send loopback message failed\n",
+ adapter[card]->devicename);
+ return -EIO;
+ }
+
+}
+
+/*
+ * 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,
+ 0,0,0);
+ pr_debug("%s: Sent startProc\n", adapter[card]->devicename);
+
+ return status;
+}
+
+
+int loadproc(int card, char *data)
+{
+ return -1;
+}
+
+
+/*
+ * Dials the number passed in
+ */
+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",
+ adapter[card]->devicename, Phone, channel+1);
+
+ return status;
+}
+
+/*
+ * Answer an incoming call
+ */
+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",
+ adapter[card]->devicename, channel+1);
+ return 0;
+}
+
+/*
+ * Hangup up the call on specified channel
+ */
+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",
+ adapter[card]->devicename, channel+1);
+ return status;
+}
+
+/*
+ * Set the layer 2 protocol (X.25, HDLC, Raw)
+ */
+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;
+ adapter[card]->channel[channel].l2_proto = protocol;
+ pr_debug("%s: Level 2 protocol for channel %d set to %s from %d\n",
+ adapter[card]->devicename, channel+1,l2protos[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",
+ 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;
+}
+
+/*
+ * Get the layer 2 protocol
+ */
+int getl2(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;
+ }
+
+ pr_debug("%s: Level 2 protocol for channel %d reported as %s\n",
+ adapter[card]->devicename, channel+1,
+ l2protos[adapter[card]->channel[channel].l2_proto]);
+
+ return adapter[card]->channel[channel].l2_proto;
+}
+
+/*
+ * Set the layer 3 protocol
+ */
+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;
+ }
+
+ adapter[card]->channel[channel].l3_proto = protocol;
+ pr_debug("%s: Level 3 protocol for channel %d set to %s\n",
+ adapter[card]->devicename, channel+1, l3protos[protocol]);
+ return 0;
+}
+
+/*
+ * Get the layer 3 protocol
+ */
+int getl3(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;
+ }
+
+ pr_debug("%s: Level 3 protocol for channel %d reported as %s\n",
+ adapter[card]->devicename, arg+1,
+ l3protos[adapter[card]->channel[arg].l3_proto]);
+ return adapter[card]->channel[arg].l3_proto;
+}
+
+
+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",
+ adapter[card]->devicename, channel+1);
+ indicate_status(card, ISDN_STAT_BCONN, channel, NULL);
+ return 0;
+}
+
+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(adapter[card]->channel[arg].eazlist, "");
+ adapter[card]->channel[arg].eazclear = 1;
+ pr_debug("%s: EAZ List cleared for channel %d\n",
+ adapter[card]->devicename, arg+1);
+ return 0;
+}
+
+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(adapter[card]->channel[arg].eazlist, num);
+ adapter[card]->channel[arg].eazclear = 0;
+ pr_debug("%s: EAZ list for channel %d set to: %s\n",
+ adapter[card]->devicename, arg+1,
+ adapter[card]->channel[arg].eazlist);
+ return 0;
+}
+
+int geteaz(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(num, adapter[card]->channel[arg].eazlist);
+ pr_debug("%s: EAZ List for channel %d reported: %s\n",
+ adapter[card]->devicename, arg+1,
+ adapter[card]->channel[arg].eazlist);
+ return 0;
+}
+
+int setsil(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(adapter[card]->channel[arg].sillist, num);
+ pr_debug("%s: Service Indicators for channel %d set: %s\n",
+ adapter[card]->devicename, arg+1,
+ adapter[card]->channel[arg].sillist);
+ return 0;
+}
+
+int getsil(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(num, adapter[card]->channel[arg].sillist);
+ pr_debug("%s: SIL for channel %d reported: %s\n",
+ adapter[card]->devicename, arg+1,
+ adapter[card]->channel[arg].sillist);
+ return 0;
+}
+
+
+int lock()
+{
+ MOD_INC_USE_COUNT;
+ return 0;
+}
+
+int unlock()
+{
+ MOD_DEC_USE_COUNT;
+ 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(adapter[card]->EngineUp) {
+ del_timer(&adapter[card]->stat_timer);
+ }
+
+ adapter[card]->EngineUp = 0;
+
+ save_flags(flags);
+ cli();
+ init_timer(&adapter[card]->reset_timer);
+ adapter[card]->reset_timer.function = check_reset;
+ adapter[card]->reset_timer.data = card;
+ adapter[card]->reset_timer.expires = jiffies + CHECKRESET_TIME;
+ add_timer(&adapter[card]->reset_timer);
+ restore_flags(flags);
+
+ outb(0x1,adapter[card]->ioport[SFT_RESET]);
+
+ pr_debug("%s: Adapter Reset\n", adapter[card]->devicename);
+ return 0;
+}
+
+void flushreadfifo (int card)
+{
+ while(inb(adapter[card]->ioport[FIFO_STATUS]) & RF_HAS_DATA)
+ inb(adapter[card]->ioport[FIFO_READ]);
+}
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