patch-1.3.69 linux/drivers/isdn/teles/llglue.c

• Lines: 125
• Date: Mon Feb 26 11:58:07 1996
• Orig file: v1.3.68/linux/drivers/isdn/teles/llglue.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.68/linux/drivers/isdn/teles/llglue.c linux/drivers/isdn/teles/llglue.c
@@ -0,0 +1,124 @@
+#define __NO_VERSION__
+#include "teles.h"
+#include <linux/malloc.h>
+#include <linux/timer.h>
+
+
+extern struct Channel *chanlist;
+int             drid;
+char            *teles_id = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+
+isdn_if         iif;
+
+#define TELES_STATUS_BUFSIZE 4096
+static byte    *teles_status_buf = NULL;
+static byte    *teles_status_read = NULL;
+static byte    *teles_status_write = NULL;
+static byte    *teles_status_end = NULL;
+
+int
+teles_readstatus(byte * buf, int len, int user)
+{
+	int             count;
+	byte           *p;
+
+	for (p = buf, count = 0; count < len; p++, count++) {
+		if (user)
+			put_fs_byte(*teles_status_read++, p);
+		else
+			*p++ = *teles_status_read++;
+		if (teles_status_read > teles_status_end)
+			teles_status_read = teles_status_buf;
+	}
+	return count;
+}
+
+void
+teles_putstatus(char *buf)
+{
+	long            flags;
+	int             len, count, i;
+	byte           *p;
+	isdn_ctrl       ic;
+
+	save_flags(flags);
+	cli();
+	count = 0;
+	len = strlen(buf);
+	for (p = buf, i = len; i > 0; i--, p++) {
+		*teles_status_write++ = *p;
+		if (teles_status_write > teles_status_end)
+			teles_status_write = teles_status_buf;
+		count++;
+	}
+	restore_flags(flags);
+	if (count) {
+		ic.command = ISDN_STAT_STAVAIL;
+		ic.driver = drid;
+		ic.arg = count;
+		iif.statcallb(&ic);
+	}
+}
+
+
+int
+ll_init(void)
+{
+	isdn_ctrl       ic;
+
+	teles_status_buf = Smalloc(TELES_STATUS_BUFSIZE,
+				   GFP_KERNEL, "teles_status_buf");
+	if (!teles_status_buf) {
+		printk(KERN_ERR "teles: Could not allocate status-buffer\n");
+		return (-EIO);
+	} else {
+		teles_status_read = teles_status_buf;
+		teles_status_write = teles_status_buf;
+		teles_status_end = teles_status_buf + TELES_STATUS_BUFSIZE - 1;
+	}
+
+	iif.channels = CallcNewChan();
+	iif.maxbufsize = BUFFER_SIZE(HSCX_SBUF_ORDER, HSCX_SBUF_BPPS);
+	iif.features =
+	    ISDN_FEATURE_L2_X75I |
+	    ISDN_FEATURE_L2_HDLC |
+	    ISDN_FEATURE_L3_TRANS |
+	    ISDN_FEATURE_P_1TR6 |
+	    ISDN_FEATURE_P_EURO;
+
+	iif.command = teles_command;
+	iif.writebuf = teles_writebuf;
+	iif.writecmd = NULL;
+	iif.readstat = teles_readstatus;
+	strncpy(iif.id, teles_id, sizeof(iif.id) - 1);
+
+	register_isdn(&iif);
+	drid = iif.channels;
+
+	ic.driver = drid;
+	ic.command = ISDN_STAT_RUN;
+	iif.statcallb(&ic);
+	return 0;
+}
+
+void
+ll_stop(void)
+{
+	isdn_ctrl       ic;
+
+	ic.command = ISDN_STAT_STOP;
+	ic.driver = drid;
+	iif.statcallb(&ic);
+
+	CallcFreeChan();
+}
+
+void
+ll_unload(void)
+{
+	isdn_ctrl       ic;
+
+	ic.command = ISDN_STAT_UNLOAD;
+	ic.driver = drid;
+	iif.statcallb(&ic);
+}