summaryrefslogtreecommitdiffstats
path: root/sys/i4b/driver/i4b_tel.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/i4b/driver/i4b_tel.c')
-rw-r--r--sys/i4b/driver/i4b_tel.c713
1 files changed, 713 insertions, 0 deletions
diff --git a/sys/i4b/driver/i4b_tel.c b/sys/i4b/driver/i4b_tel.c
new file mode 100644
index 0000000..81b38a6
--- /dev/null
+++ b/sys/i4b/driver/i4b_tel.c
@@ -0,0 +1,713 @@
+/*
+ * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *---------------------------------------------------------------------------
+ *
+ * i4b_tel.c - device driver for ISDN telephony
+ * --------------------------------------------
+ *
+ * $Id: i4b_tel.c,v 1.18 1998/12/14 10:31:53 hm Exp $
+ *
+ * last edit-date: [Mon Dec 14 11:32:06 1998]
+ *
+ *---------------------------------------------------------------------------*/
+
+#include "i4btel.h"
+
+#if NI4BTEL > 0
+
+#undef I4BTELDEBUG
+
+#include <sys/param.h>
+#include <sys/systm.h>
+
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+#include <sys/ioccom.h>
+#else
+#include <sys/ioctl.h>
+#endif
+
+#include <sys/conf.h>
+#include <sys/uio.h>
+#include <sys/kernel.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <sys/proc.h>
+#include <sys/tty.h>
+
+#ifdef __FreeBSD__
+#include "opt_devfs.h"
+#endif
+
+#ifdef DEVFS
+#include <sys/devfsext.h>
+#endif
+
+#ifdef __FreeBSD__
+#include <machine/i4b_ioctl.h>
+#include <machine/i4b_tel_ioctl.h>
+#else
+#include <i4b/i4b_ioctl.h>
+#include <i4b/i4b_tel_ioctl.h>
+#endif
+
+#include <i4b/include/i4b_global.h>
+#include <i4b/include/i4b_mbuf.h>
+#include <i4b/include/i4b_l3l4.h>
+
+typedef struct {
+ drvr_link_t drvr_linktab; /* driver linktab */
+ isdn_link_t *isdn_linktab; /* isdn linktab */
+ int devstate; /* state of this unit */
+#define ST_IDLE 0x00 /* idle */
+#define ST_CONNECTED 0x01 /* isdn connected state */
+#define ST_ISOPEN 0x02 /* userland opened */
+#define ST_RDWAITDATA 0x04 /* userland read waiting */
+#define ST_WRWAITEMPTY 0x08 /* userland write waiting */
+ int audiofmt; /* audio format conversion */
+ call_desc_t *cdp; /* call descriptor pointer */
+#ifdef DEVFS
+ void *devfs_token; /* token for DEVFS */
+#endif
+} tel_sc_t;
+
+static tel_sc_t tel_sc[NI4BTEL];
+
+/* forward decl */
+
+static void tel_rx_data_rdy(int unit);
+static void tel_tx_queue_empty(int unit);
+static void tel_init_linktab(int unit);
+static void tel_connect(int unit, void *cdp);
+static void tel_disconnect(int unit, void *cdp);
+
+static unsigned char alaw_ulaw[];
+static unsigned char ulaw_alaw[];
+
+#ifndef __FreeBSD__
+#define PDEVSTATIC /* - not static - */
+PDEVSTATIC void i4btelattach __P((void));
+PDEVSTATIC int i4btelioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p));
+int i4btelopen __P((dev_t dev, int flag, int fmt, struct proc *p));
+int i4btelclose __P((dev_t dev, int flag, int fmt, struct proc *p));
+int i4btelread __P((dev_t dev, struct uio *uio, int ioflag));
+int i4btelwrite __P((dev_t dev, struct uio * uio, int ioflag));
+#endif
+#if BSD > 199306 && defined(__FreeBSD__)
+#define PDEVSTATIC static
+PDEVSTATIC d_open_t i4btelopen;
+PDEVSTATIC d_close_t i4btelclose;
+PDEVSTATIC d_read_t i4btelread;
+PDEVSTATIC d_read_t i4btelwrite;
+PDEVSTATIC d_ioctl_t i4btelioctl;
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+PDEVSTATIC d_poll_t i4btelpoll;
+#endif
+
+#define CDEV_MAJOR 56
+static struct cdevsw i4btel_cdevsw = {
+ i4btelopen, i4btelclose, i4btelread, i4btelwrite,
+ i4btelioctl, nostop, noreset, nodevtotty,
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+ i4btelpoll, nommap, NULL, "i4btel", NULL, -1
+#else
+ noselect, nommap, NULL, "i4btel", NULL, -1
+#endif
+};
+
+PDEVSTATIC void i4btelinit(void *unused);
+
+PDEVSTATIC void i4btelattach(void *);
+PSEUDO_SET(i4btelattach, i4b_tel);
+
+/*===========================================================================*
+ * DEVICE DRIVER ROUTINES
+ *===========================================================================*/
+
+/*---------------------------------------------------------------------------*
+ * initialization at kernel load time
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC void
+i4btelinit(void *unused)
+{
+ dev_t dev;
+
+ dev = makedev(CDEV_MAJOR, 0);
+
+ cdevsw_add(&dev, &i4btel_cdevsw, NULL);
+}
+
+SYSINIT(i4bteldev, SI_SUB_DRIVERS,
+ SI_ORDER_MIDDLE+CDEV_MAJOR, &i4btelinit, NULL);
+
+#endif /* BSD > 199306 && defined(__FreeBSD__) */
+
+/*---------------------------------------------------------------------------*
+ * interface attach routine
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC void
+#ifdef __FreeBSD__
+i4btelattach(void *dummy)
+#else
+i4btelattach()
+#endif
+{
+ int i;
+
+#ifndef HACK_NO_PSEUDO_ATTACH_MSG
+ printf("i4btel: %d ISDN telephony interface device(s) attached\n", NI4BTEL);
+#endif
+
+ for(i=0; i < NI4BTEL; i++)
+ {
+ tel_sc[i].devstate = ST_IDLE;
+ tel_sc[i].audiofmt = CVT_NONE;
+ tel_init_linktab(i);
+#ifdef DEVFS
+ tel_sc[i].devfs_token
+ = devfs_add_devswf(&i4btel_cdevsw, i, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600,
+ "i4btel%d", i);
+#endif
+ }
+}
+
+/*---------------------------------------------------------------------------*
+ * open tel device
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelopen(dev_t dev, int flag, int fmt, struct proc *p)
+{
+ int unit = minor(dev);
+ tel_sc_t *sc;
+
+ if(unit > NI4BTEL)
+ return(ENXIO);
+
+ sc = &tel_sc[unit];
+
+ if(!(sc->devstate & ST_CONNECTED))
+ return(EIO);
+
+ if(sc->devstate & ST_ISOPEN)
+ return(EBUSY);
+
+ sc->devstate |= ST_ISOPEN;
+
+ return(0);
+}
+
+/*---------------------------------------------------------------------------*
+ * close tel device
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelclose(dev_t dev, int flag, int fmt, struct proc *p)
+{
+ int unit = minor(dev);
+ tel_sc_t *sc;
+ int error = 0;
+
+ if(unit > NI4BTEL)
+ return(ENXIO);
+
+ sc = &tel_sc[unit];
+
+ if(sc->isdn_linktab != NULL && sc->isdn_linktab->tx_queue != NULL)
+ {
+ while(!(IF_QEMPTY(sc->isdn_linktab->tx_queue)))
+ {
+ sc->devstate |= ST_WRWAITEMPTY;
+
+ if((error = tsleep((caddr_t) &sc->isdn_linktab->tx_queue,
+ TTIPRI | PCATCH, "wtcl", 0)) != 0)
+ {
+ break;
+ }
+ }
+ sc->devstate &= ~ST_WRWAITEMPTY;
+ }
+ sc->devstate &= ~ST_ISOPEN;
+ return(error);
+}
+
+/*---------------------------------------------------------------------------*
+ * i4btelioctl - device driver ioctl routine
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300003
+i4btelioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
+#else
+i4btelioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
+#endif
+{
+ int error = 0;
+ struct mbuf *m;
+ int s;
+ tel_sc_t *sc = &tel_sc[minor(dev)];
+
+ switch(cmd)
+ {
+ case I4B_TEL_GETAUDIOFMT:
+ *(int *)data = sc->audiofmt;
+ break;
+
+ case I4B_TEL_SETAUDIOFMT:
+ sc->audiofmt = *(int *)data;
+ break;
+
+ case I4B_TEL_EMPTYINPUTQUEUE:
+ s = splimp();
+ while((sc->devstate & ST_CONNECTED) &&
+ (sc->devstate & ST_ISOPEN) &&
+ !IF_QEMPTY(sc->isdn_linktab->rx_queue))
+ {
+ IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
+ if(m)
+ i4b_Bfreembuf(m);
+ }
+ splx(s);
+ break;
+
+ default:
+ error = ENOTTY;
+ break;
+ }
+ return(error);
+}
+
+/*---------------------------------------------------------------------------*
+ * read from tel device
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelread(dev_t dev, struct uio *uio, int ioflag)
+{
+ struct mbuf *m;
+ int s;
+ int error = 0;
+ tel_sc_t *sc = &tel_sc[minor(dev)];
+
+ if(!(sc->devstate & ST_CONNECTED))
+ return(EIO);
+
+ if(!(sc->devstate & ST_ISOPEN))
+ return(EIO);
+
+#ifdef NOTDEF
+ while(!(sc->devstate & ST_CONNECTED))
+ {
+ if((error = tsleep((caddr_t) &sc->devstate,
+ TTIPRI | PCATCH,
+ "rrtel", 0 )) != 0)
+ {
+ return(error);
+ }
+ }
+#endif
+
+ while(IF_QEMPTY(sc->isdn_linktab->rx_queue) &&
+ (sc->devstate & ST_ISOPEN) &&
+ (sc->devstate & ST_CONNECTED))
+ {
+ sc->devstate |= ST_RDWAITDATA;
+
+ if((error = tsleep((caddr_t) &sc->isdn_linktab->rx_queue,
+ TTIPRI | PCATCH,
+ "rtel", 0 )) != 0)
+ {
+ sc->devstate &= ~ST_RDWAITDATA;
+ return(error);
+ }
+ }
+
+ if(!(sc->devstate & ST_ISOPEN))
+ {
+ return(EIO);
+ }
+
+ if(!(sc->devstate & ST_CONNECTED))
+ {
+ return(EIO);
+ }
+
+ s = splimp();
+
+ IF_DEQUEUE(sc->isdn_linktab->rx_queue, m);
+
+ if(m && m->m_len)
+ {
+ if(sc->audiofmt == CVT_ALAW2ULAW)
+ {
+ int i;
+ for(i = 0; i < m->m_len; i++)
+ m->m_data[i] = alaw_ulaw[(int)m->m_data[i]];
+ }
+ error = uiomove(m->m_data, m->m_len, uio);
+ }
+ else
+ {
+ error = EIO;
+ }
+
+ if(m)
+ i4b_Bfreembuf(m);
+
+ splx(s);
+
+ return(error);
+}
+
+/*---------------------------------------------------------------------------*
+ * write to tel device
+ *---------------------------------------------------------------------------*/
+PDEVSTATIC int
+i4btelwrite(dev_t dev, struct uio * uio, int ioflag)
+{
+ struct mbuf *m;
+ int s;
+ int error = 0;
+ tel_sc_t *sc = &tel_sc[minor(dev)];
+
+ if(!(sc->devstate & ST_CONNECTED))
+ return(EIO);
+
+ if(!(sc->devstate & ST_ISOPEN))
+ {
+ return(EIO);
+ }
+
+#ifdef NOTDEF
+ while(!(sc->devstate & ST_CONNECTED))
+ {
+ if((error = tsleep((caddr_t) &sc->devstate,
+ TTIPRI | PCATCH,
+ "wrtel", 0 )) != 0)
+ {
+ return(error);
+ }
+
+ /*
+ * XXX the originations B channel gets much earlier
+ * switched thru than the destinations B channel, so
+ * if the origination starts to send at once, some
+ * 200 bytes (at my site) or so get lost, so i delay
+ * a bit before sending. (-hm)
+ */
+
+ tsleep((caddr_t) &sc->devstate, TTIPRI | PCATCH, "xtel", (hz*1));
+ }
+#endif
+
+ while((IF_QFULL(sc->isdn_linktab->tx_queue)) &&
+ (sc->devstate & ST_ISOPEN))
+ {
+ sc->devstate |= ST_WRWAITEMPTY;
+
+ if((error = tsleep((caddr_t) &sc->isdn_linktab->tx_queue,
+ TTIPRI | PCATCH, "wtel", 0)) != 0)
+ {
+ sc->devstate &= ~ST_WRWAITEMPTY;
+ return(error);
+ }
+ }
+
+ if(!(sc->devstate & ST_ISOPEN))
+ {
+ return(EIO);
+ }
+
+ if(!(sc->devstate & ST_CONNECTED))
+ {
+ return(EIO);
+ }
+
+ s = splimp();
+
+ if((m = i4b_Bgetmbuf(BCH_MAX_DATALEN)) != NULL)
+ {
+ m->m_len = min(BCH_MAX_DATALEN, uio->uio_resid);
+
+ error = uiomove(m->m_data, m->m_len, uio);
+
+ if(sc->audiofmt == CVT_ALAW2ULAW)
+ {
+ int i;
+ for(i = 0; i < m->m_len; i++)
+ m->m_data[i] = ulaw_alaw[(int)m->m_data[i]];
+ }
+
+ IF_ENQUEUE(sc->isdn_linktab->tx_queue, m);
+
+ (*sc->isdn_linktab->bch_tx_start)(sc->isdn_linktab->unit, sc->isdn_linktab->channel);
+ }
+
+ splx(s);
+
+ return(error);
+}
+
+/*---------------------------------------------------------------------------*
+ * poll
+ *---------------------------------------------------------------------------*/
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
+PDEVSTATIC int
+i4btelpoll (dev_t dev, int events, struct proc *p)
+{
+ return (ENODEV);
+}
+#endif
+
+/*===========================================================================*
+ * ISDN INTERFACE ROUTINES
+ *===========================================================================*/
+
+/*---------------------------------------------------------------------------*
+* this routine is called from L4 handler at connect time
+ *---------------------------------------------------------------------------*/
+static void
+tel_connect(int unit, void *cdp)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+
+ sc->cdp = (call_desc_t *)cdp;
+
+#ifdef NOTDEF
+ if(!(sc->devstate & ST_CONNECTED))
+ {
+ sc->devstate |= ST_CONNECTED;
+ wakeup((caddr_t) &sc->devstate);
+ }
+#else
+ sc->devstate |= ST_CONNECTED;
+#endif
+}
+
+/*---------------------------------------------------------------------------*
+ * this routine is called from L4 handler at disconnect time
+ *---------------------------------------------------------------------------*/
+static void
+tel_disconnect(int unit, void *cdp)
+{
+/* call_desc_t *cd = (call_desc_t *)cdp; */
+
+ tel_sc_t *sc = &tel_sc[unit];
+
+ sc->devstate &= ~ST_CONNECTED;
+
+ if(sc->devstate & ST_RDWAITDATA)
+ {
+ sc->devstate &= ~ST_RDWAITDATA;
+ wakeup((caddr_t) &sc->isdn_linktab->rx_queue);
+ }
+
+ if(sc->devstate & ST_WRWAITEMPTY)
+ {
+ sc->devstate &= ~ST_WRWAITEMPTY;
+ wakeup((caddr_t) &sc->isdn_linktab->tx_queue);
+ }
+}
+
+/*---------------------------------------------------------------------------*
+ * feedback from daemon in case of dial problems
+ *---------------------------------------------------------------------------*/
+static void
+tel_dialresponse(int unit, int status)
+{
+}
+
+/*---------------------------------------------------------------------------*
+ * interface up/down
+ *---------------------------------------------------------------------------*/
+static void
+tel_updown(int unit, int updown)
+{
+}
+
+/*---------------------------------------------------------------------------*
+ * this routine is called from the HSCX interrupt handler
+ * when a new frame (mbuf) has been received and was put on
+ * the rx queue.
+ *---------------------------------------------------------------------------*/
+static void
+tel_rx_data_rdy(int unit)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+
+ if(sc->devstate & ST_RDWAITDATA)
+ {
+ sc->devstate &= ~ST_RDWAITDATA;
+ wakeup((caddr_t) &sc->isdn_linktab->rx_queue);
+ }
+}
+
+/*---------------------------------------------------------------------------*
+ * this routine is called from the HSCX interrupt handler
+ * when the last frame has been sent out and there is no
+ * further frame (mbuf) in the tx queue.
+ *---------------------------------------------------------------------------*/
+static void
+tel_tx_queue_empty(int unit)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+
+ if(sc->devstate & ST_WRWAITEMPTY)
+ {
+ sc->devstate &= ~ST_WRWAITEMPTY;
+ wakeup((caddr_t) &sc->isdn_linktab->tx_queue);
+ }
+}
+
+/*---------------------------------------------------------------------------*
+ * this routine is called from the HSCX interrupt handler
+ * each time a packet is received or transmitted.
+ *---------------------------------------------------------------------------*/
+static void
+tel_activity(int unit, int rxtx)
+{
+ tel_sc[unit].cdp->last_active_time = SECOND;
+}
+
+/*---------------------------------------------------------------------------*
+ * return this drivers linktab address
+ *---------------------------------------------------------------------------*/
+drvr_link_t *
+tel_ret_linktab(int unit)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+
+ tel_init_linktab(unit);
+ return(&sc->drvr_linktab);
+}
+
+/*---------------------------------------------------------------------------*
+ * setup the isdn_linktab for this driver
+ *---------------------------------------------------------------------------*/
+void
+tel_set_linktab(int unit, isdn_link_t *ilt)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+ sc->isdn_linktab = ilt;
+}
+
+/*---------------------------------------------------------------------------*
+ * initialize this drivers linktab
+ *---------------------------------------------------------------------------*/
+static void
+tel_init_linktab(int unit)
+{
+ tel_sc_t *sc = &tel_sc[unit];
+
+ sc->drvr_linktab.unit = unit;
+ sc->drvr_linktab.bch_rx_data_ready = tel_rx_data_rdy;
+ sc->drvr_linktab.bch_tx_queue_empty = tel_tx_queue_empty;
+ sc->drvr_linktab.bch_activity = tel_activity;
+ sc->drvr_linktab.line_connected = tel_connect;
+ sc->drvr_linktab.line_disconnected = tel_disconnect;
+ sc->drvr_linktab.dial_response = tel_dialresponse;
+ sc->drvr_linktab.updown_ind = tel_updown;
+}
+
+/*===========================================================================*
+ * AUDIO FORMAT CONVERSION
+ *===========================================================================*/
+
+/*---------------------------------------------------------------------------*
+ * A-law to mu-law conversion
+ *---------------------------------------------------------------------------*/
+static unsigned char alaw_ulaw[] = {
+ 0x002a, 0x00a9, 0x005f, 0x00e3, 0x001f, 0x009f, 0x0048, 0x00c8,
+ 0x0039, 0x00b9, 0x006f, 0x00f7, 0x001f, 0x009f, 0x0055, 0x00d7,
+ 0x0022, 0x00a1, 0x005b, 0x00dd, 0x001f, 0x009f, 0x0040, 0x00c0,
+ 0x0031, 0x00b1, 0x0067, 0x00eb, 0x001f, 0x009f, 0x004e, 0x00cf,
+ 0x002e, 0x00ad, 0x0063, 0x00e7, 0x001f, 0x009f, 0x004c, 0x00cc,
+ 0x003d, 0x00bd, 0x0077, 0x00ff, 0x001f, 0x009f, 0x0059, 0x00db,
+ 0x0026, 0x00a5, 0x005d, 0x00df, 0x001f, 0x009f, 0x0044, 0x00c4,
+ 0x0035, 0x00b5, 0x006b, 0x00ef, 0x001f, 0x009f, 0x0051, 0x00d3,
+ 0x0028, 0x00a7, 0x005f, 0x00e3, 0x001f, 0x009f, 0x0046, 0x00c6,
+ 0x0037, 0x00b7, 0x006f, 0x00f7, 0x001f, 0x009f, 0x0053, 0x00d5,
+ 0x0020, 0x009f, 0x005b, 0x00dd, 0x001f, 0x009f, 0x003f, 0x00bf,
+ 0x002f, 0x00af, 0x0067, 0x00eb, 0x001f, 0x009f, 0x004d, 0x00ce,
+ 0x002c, 0x00ab, 0x0063, 0x00e7, 0x001f, 0x009f, 0x004a, 0x00ca,
+ 0x003b, 0x00bb, 0x0077, 0x00ff, 0x001f, 0x009f, 0x0057, 0x00d9,
+ 0x0024, 0x00a3, 0x005d, 0x00df, 0x001f, 0x009f, 0x0042, 0x00c2,
+ 0x0033, 0x00b3, 0x006b, 0x00ef, 0x001f, 0x009f, 0x004f, 0x00d1,
+ 0x002b, 0x00aa, 0x0063, 0x00e3, 0x001f, 0x009f, 0x0049, 0x00c9,
+ 0x003a, 0x00ba, 0x0077, 0x00f7, 0x001f, 0x009f, 0x0057, 0x00d7,
+ 0x0023, 0x00a2, 0x005d, 0x00dd, 0x001f, 0x009f, 0x0041, 0x00c1,
+ 0x0032, 0x00b2, 0x006b, 0x00eb, 0x001f, 0x009f, 0x004f, 0x00cf,
+ 0x002f, 0x00ae, 0x0067, 0x00e7, 0x001f, 0x009f, 0x004d, 0x00cd,
+ 0x003e, 0x00be, 0x00ff, 0x00ff, 0x001f, 0x009f, 0x005b, 0x00db,
+ 0x0027, 0x00a6, 0x005f, 0x00df, 0x001f, 0x009f, 0x0045, 0x00c5,
+ 0x0036, 0x00b6, 0x006f, 0x00ef, 0x001f, 0x009f, 0x0053, 0x00d3,
+ 0x0029, 0x00a8, 0x005f, 0x00e3, 0x001f, 0x009f, 0x0047, 0x00c7,
+ 0x0038, 0x00b8, 0x006f, 0x00f7, 0x001f, 0x009f, 0x0055, 0x00d5,
+ 0x0021, 0x00a0, 0x005b, 0x00dd, 0x001f, 0x009f, 0x003f, 0x00bf,
+ 0x0030, 0x00b0, 0x0067, 0x00eb, 0x001f, 0x009f, 0x004e, 0x00ce,
+ 0x002d, 0x00ac, 0x0063, 0x00e7, 0x001f, 0x009f, 0x004b, 0x00cb,
+ 0x003c, 0x00bc, 0x0077, 0x00ff, 0x001f, 0x009f, 0x0059, 0x00d9,
+ 0x0025, 0x00a4, 0x005d, 0x00df, 0x001f, 0x009f, 0x0043, 0x00c3,
+ 0x0034, 0x00b4, 0x006b, 0x00ef, 0x001f, 0x009f, 0x0051, 0x00d1
+};
+
+/*---------------------------------------------------------------------------*
+ * mu-law to A-law conversion
+ *---------------------------------------------------------------------------*/
+static unsigned char ulaw_alaw[] = {
+ 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc,
+ 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc,
+ 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc,
+ 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00fc, 0x00ac,
+ 0x0050, 0x00d0, 0x0010, 0x0090, 0x0070, 0x00f0, 0x0030, 0x00b0,
+ 0x0040, 0x00c0, 0x0000, 0x0080, 0x0060, 0x00e0, 0x0020, 0x00a0,
+ 0x00d8, 0x0018, 0x0098, 0x0078, 0x00f8, 0x0038, 0x00b8, 0x0048,
+ 0x00c8, 0x0008, 0x0088, 0x0068, 0x00e8, 0x0028, 0x00a8, 0x00d6,
+ 0x0096, 0x0076, 0x00f6, 0x0036, 0x00b6, 0x0046, 0x00c6, 0x0006,
+ 0x0086, 0x0066, 0x00e6, 0x0026, 0x00a6, 0x00de, 0x009e, 0x00fe,
+ 0x00fe, 0x00be, 0x00be, 0x00ce, 0x00ce, 0x008e, 0x008e, 0x00ee,
+ 0x00ee, 0x00d2, 0x00d2, 0x00f2, 0x00f2, 0x00c2, 0x00c2, 0x00e2,
+ 0x00e2, 0x00e2, 0x00da, 0x00da, 0x00da, 0x00da, 0x00fa, 0x00fa,
+ 0x00fa, 0x00fa, 0x00ca, 0x00ca, 0x00ca, 0x00ca, 0x00ea, 0x00ea,
+ 0x00ea, 0x00ea, 0x00ea, 0x00ea, 0x00eb, 0x00eb, 0x00eb, 0x00eb,
+ 0x00eb, 0x00eb, 0x00eb, 0x00eb, 0x00eb, 0x00eb, 0x00eb, 0x00eb,
+ 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd,
+ 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd,
+ 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd,
+ 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd, 0x00fd,
+ 0x00d1, 0x0011, 0x0091, 0x0071, 0x00f1, 0x0031, 0x00b1, 0x0041,
+ 0x00c1, 0x0001, 0x0081, 0x0061, 0x00e1, 0x0021, 0x00a1, 0x0059,
+ 0x00d9, 0x0019, 0x0099, 0x0079, 0x00f9, 0x0039, 0x00b9, 0x0049,
+ 0x00c9, 0x0009, 0x0089, 0x0069, 0x00e9, 0x0029, 0x00a9, 0x0057,
+ 0x0017, 0x0097, 0x0077, 0x00f7, 0x0037, 0x00b7, 0x0047, 0x00c7,
+ 0x0007, 0x0087, 0x0067, 0x00e7, 0x0027, 0x00a7, 0x00df, 0x009f,
+ 0x009f, 0x00ff, 0x00ff, 0x00bf, 0x00bf, 0x00cf, 0x00cf, 0x008f,
+ 0x008f, 0x00ef, 0x00ef, 0x00af, 0x00af, 0x00d3, 0x00d3, 0x00f3,
+ 0x00f3, 0x00f3, 0x00c3, 0x00c3, 0x00c3, 0x00c3, 0x00e3, 0x00e3,
+ 0x00e3, 0x00e3, 0x00db, 0x00db, 0x00db, 0x00db, 0x00fb, 0x00fb,
+ 0x00fb, 0x00fb, 0x00fb, 0x00fb, 0x00cb, 0x00cb, 0x00cb, 0x00cb,
+ 0x00cb, 0x00cb, 0x00cb, 0x00cb, 0x00eb, 0x00eb, 0x00eb, 0x00eb
+};
+
+/*===========================================================================*/
+
+#endif /* NI4BTEL > 0 */
OpenPOWER on IntegriCloud