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Diffstat (limited to 'usr.bin/aucat/dev_sun.c')
-rw-r--r--usr.bin/aucat/dev_sun.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/usr.bin/aucat/dev_sun.c b/usr.bin/aucat/dev_sun.c
deleted file mode 100644
index 2e97f6def0e..00000000000
--- a/usr.bin/aucat/dev_sun.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/* $OpenBSD: dev_sun.c,v 1.5 2008/08/14 09:58:55 ratchov Exp $ */
-/*
- * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/audioio.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "conf.h"
-#include "aparams.h"
-#include "dev.h"
-
-/*
- * Convert sun device parameters to struct aparams
- */
-int
-sun_infotopar(struct audio_prinfo *ai, struct aparams *par)
-{
- par->rate = ai->sample_rate;
- par->bps = ai->precision / 8;
- par->bits = ai->precision;
- par->cmax = par->cmin + ai->channels - 1;
- if (par->cmax >= CHAN_MAX) {
- warnx("%u:%u: channel range out of bounds",
- par->cmin, par->cmax);
- return 0;
- }
- par->msb = 1;
- switch (ai->encoding) {
- case AUDIO_ENCODING_SLINEAR_LE:
- par->le = 1;
- par->sig = 1;
- break;
- case AUDIO_ENCODING_SLINEAR_BE:
- par->le = 0;
- par->sig = 1;
- break;
- case AUDIO_ENCODING_ULINEAR_LE:
- par->le = 1;
- par->sig = 0;
- break;
- case AUDIO_ENCODING_ULINEAR_BE:
- par->le = 0;
- par->sig = 0;
- break;
- case AUDIO_ENCODING_SLINEAR:
- par->le = NATIVE_LE;
- par->sig = 1;
- break;
- case AUDIO_ENCODING_ULINEAR:
- par->le = NATIVE_LE;
- par->sig = 0;
- break;
- default:
- warnx("only linear encodings are supported for audio devices");
- return 0;
- }
- return 1;
-}
-
-/*
- * Convert struct aparams to sun device parameters.
- */
-void
-sun_partoinfo(struct audio_prinfo *ai, struct aparams *par)
-{
- ai->sample_rate = par->rate;
- ai->precision = par->bps * 8;
- ai->channels = par->cmax - par->cmin + 1;
- if (par->le && par->sig) {
- ai->encoding = AUDIO_ENCODING_SLINEAR_LE;
- } else if (!par->le && par->sig) {
- ai->encoding = AUDIO_ENCODING_SLINEAR_BE;
- } else if (par->le && !par->sig) {
- ai->encoding = AUDIO_ENCODING_ULINEAR_LE;
- } else {
- ai->encoding = AUDIO_ENCODING_ULINEAR_BE;
- }
-}
-
-/*
- * Open the device and pause it, so later play and record
- * can be started simultaneously.
- *
- * in "infr" and "onfd" we return the input and the output
- * block sizes respectively.
- */
-int
-sun_open(char *path, struct aparams *ipar, struct aparams *opar,
- unsigned *infr, unsigned *onfr)
-{
- int fd;
- int fullduplex;
- int flags;
- struct audio_info aui;
- struct audio_bufinfo aubi;
-
- if (!ipar && !opar)
- errx(1, "%s: must at least play or record", path);
-
- if (ipar && opar) {
- flags = O_RDWR;
- } else if (ipar) {
- flags = O_RDONLY;
- } else {
- flags = O_WRONLY;
- }
- fd = open(path, flags | O_NONBLOCK);
- if (fd < 0) {
- warn("%s", path);
- return -1;
- }
-
- /*
- * If both play and record are requested then
- * set full duplex mode.
- */
- if (ipar && opar) {
- fullduplex = 1;
- if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) {
- warn("%s: can't set full-duplex", path);
- close(fd);
- return -1;
- }
- }
-
- /*
- * Set parameters and pause the device. When paused, the write(2)
- * syscall will queue samples but the the kernel will not start playing
- * them. Setting the 'mode' and pausing the device must be done in a
- * single ioctl() call, otherwise the sun driver will start the device
- * and fill the record buffers.
- */
- AUDIO_INITINFO(&aui);
- aui.mode = 0;
- if (opar) {
- sun_partoinfo(&aui.play, opar);
- aui.play.pause = 1;
- aui.mode |= AUMODE_PLAY;
- }
- if (ipar) {
- sun_partoinfo(&aui.record, ipar);
- aui.record.pause = 1;
- aui.mode |= AUMODE_RECORD;
- }
- if (ioctl(fd, AUDIO_SETINFO, &aui) < 0) {
- fprintf(stderr, "%s: can't set audio params to ", path);
- if (ipar)
- aparams_print(ipar);
- if (opar) {
- if (ipar)
- fprintf(stderr, " and ");
- aparams_print(opar);
- }
- fprintf(stderr, ": %s\n", strerror(errno));
- close(fd);
- return -1;
- }
- if (ioctl(fd, AUDIO_GETINFO, &aui) < 0) {
- warn("sun_open: getinfo");
- close(fd);
- return -1;
- }
- if (opar) {
- if (!sun_infotopar(&aui.play, opar)) {
- close(fd);
- return -1;
- }
- if (ioctl(fd, AUDIO_GETPRINFO, &aubi) < 0) {
- warn("%s: AUDIO_GETPRINFO", path);
- close(fd);
- return -1;
- }
- *onfr = aubi.blksize * aubi.hiwat /
- (aui.play.channels * aui.play.precision / 8);
- }
- if (ipar) {
- if (!sun_infotopar(&aui.record, ipar)) {
- close(fd);
- return -1;
- }
- if (ioctl(fd, AUDIO_GETRRINFO, &aubi) < 0) {
- warn("%s: AUDIO_GETRRINFO", path);
- close(fd);
- return -1;
- }
- *infr = aubi.blksize * aubi.hiwat /
- (aui.record.channels * aui.record.precision / 8);
- }
- return fd;
-}
-
-/*
- * Drain and close the device
- */
-void
-sun_close(int fd)
-{
- close(fd);
- DPRINTF("sun_close: closed\n");
-}
-
-/*
- * Start play/record simultaneously. Play buffers must be filled.
- */
-void
-sun_start(int fd)
-{
- audio_info_t aui;
-
- /*
- * Just unpause the device. The kernel will start playback and record
- * simultaneously. There must be samples already written.
- */
- AUDIO_INITINFO(&aui);
- aui.play.pause = aui.record.pause = 0;
- if (ioctl(fd, AUDIO_SETINFO, &aui) < 0)
- err(1, "sun_start: setinfo");
-
- DPRINTF("sun_start: play/rec started\n");
-}
-
-/*
- * Drain play buffers and then stop play/record simultaneously.
- */
-void
-sun_stop(int fd)
-{
- audio_info_t aui;
-
- /*
- * Sun API doesn't not allows us to drain and stop without
- * loosing the sync between playback and record. So, for now we
- * just pause the device until this problem is worked around.
- *
- * there are three possible workarounds:
- *
- * 1) stop depending on this, ie. make the rest of the code
- * able to resynchronize playback to record. Then just
- * close/reset the device to stop it.
- *
- * 2) send "hiwat" blocks of silence and schedule the
- * very same amount of silence to drop.
- *
- * 3) modify the AUDIO_DRAIN ioctl(2) not to loose sync
- *
- */
- AUDIO_INITINFO(&aui);
- aui.play.pause = aui.record.pause = 1;
- if (ioctl(fd, AUDIO_SETINFO, &aui) < 0)
- err(1, "sun_stop: setinfo");
-
- DPRINTF("sun_stop: play/rec stopped\n");
-}
-
-struct devops devops_sun = {
- sun_open,
- sun_close,
- sun_start,
- sun_stop
-};
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