1 files changed, 375 insertions, 0 deletions
diff --git a/sys/dev/sound/usb/uaudio_pcm.c b/sys/dev/sound/usb/uaudio_pcm.c
new file mode 100644
index 0000000..a49ee4a
--- /dev/null
+++ b/sys/dev/sound/usb/uaudio_pcm.c
@@ -0,0 +1,375 @@
+/* $FreeBSD$ */
+
+/*
+ * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
+ *
+ * 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.
+ */
+
+
+#include <sys/soundcard.h>
+#include <dev/sound/pcm/sound.h>
+#include <dev/sound/chip.h>
+
+#include <dev/sound/usb/uaudio.h>
+
+#include "mixer_if.h"
+
+struct ua_info;
+
+struct ua_chinfo {
+	struct ua_info *parent;
+	struct pcm_channel *channel;
+	struct snd_dbuf *buffer;
+	int dir, hwch;
+	u_int32_t fmt, spd, blksz;	/* XXXXX */
+};
+
+struct ua_info {
+	device_t sc_dev;
+	struct ua_chinfo pch, rch;
+	bus_dma_tag_t	parent_dmat;
+};
+
+static u_int32_t ua_playfmt[8*2+1]; /* 8 format * (stereo or mono) + endptr */
+
+static struct pcmchan_caps ua_playcaps = {8000, 48000, ua_playfmt, 0};
+
+static u_int32_t ua_recfmt[8*2+1]; /* 8 format * (stereo or mono) + endptr */
+
+static struct pcmchan_caps ua_reccaps = {8000, 48000, ua_recfmt, 0};
+
+#define UAUDIO_PCM_BUFF_SIZE	16*1024
+
+/************************************************************/
+static void *
+ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
+{
+	device_t pa_dev;
+	u_char *buf,*end;
+
+	struct ua_info *sc = devinfo;
+	struct ua_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
+
+	ch->parent = sc;
+	ch->channel = c;
+	ch->buffer = b;
+
+	/* allocate PCM side DMA buffer */
+	if (sndbuf_alloc(ch->buffer, sc->parent_dmat, UAUDIO_PCM_BUFF_SIZE) != 0) {
+	    return NULL;
+        }
+
+	pa_dev = device_get_parent(sc->sc_dev);
+	buf = end = sndbuf_getbuf(b);
+	end += sndbuf_getsize(b);
+	uaudio_chan_set_param_pcm_dma_buff(pa_dev, buf, end, ch->channel);
+
+	/* Create ua_playfmt[] & ua_recfmt[] */
+	uaudio_query_formats(pa_dev, (u_int32_t *)&ua_playfmt, (u_int32_t *)&ua_recfmt);
+
+	ch->dir = dir;
+#ifndef NO_RECORDING
+	ch->hwch = 1;
+	if (dir == PCMDIR_PLAY)
+		ch->hwch = 2;
+#else
+	ch->hwch = 2;
+#endif
+
+	return ch;
+}
+
+static int
+ua_chan_setformat(kobj_t obj, void *data, u_int32_t format)
+{
+	device_t pa_dev;
+	struct ua_info *ua;
+
+	struct ua_chinfo *ch = data;
+
+	ua = ch->parent;
+	pa_dev = device_get_parent(ua->sc_dev);
+	uaudio_chan_set_param_format(pa_dev, format);
+
+	ch->fmt = format;
+	return 0;
+}
+
+static int
+ua_chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
+{
+	device_t pa_dev;
+	struct ua_info *ua;
+
+	struct ua_chinfo *ch = data;
+	ch->spd = speed;
+
+	ua = ch->parent;
+	pa_dev = device_get_parent(ua->sc_dev);
+	uaudio_chan_set_param_speed(pa_dev, speed);
+
+	return ch->spd;
+}
+
+static int
+ua_chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
+{
+	device_t pa_dev;
+	struct ua_info *ua;
+	struct ua_chinfo *ch = data;
+	/* ch->blksz = blocksize; */
+	if (blocksize) {
+		ch->blksz = blocksize;
+	} else {
+		ch->blksz = UAUDIO_PCM_BUFF_SIZE/2;
+	}
+
+	/* XXXXX */
+	ua = ch->parent;
+	pa_dev = device_get_parent(ua->sc_dev);
+	uaudio_chan_set_param_blocksize(pa_dev, blocksize);
+
+	return ch->blksz;
+}
+
+static int
+ua_chan_trigger(kobj_t obj, void *data, int go)
+{
+	device_t pa_dev;
+	struct ua_info *ua;
+	struct ua_chinfo *ch = data;
+
+	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
+		return 0;
+
+	ua = ch->parent;
+	pa_dev = device_get_parent(ua->sc_dev);
+
+	/* XXXXX */
+	if (ch->dir == PCMDIR_PLAY) {
+		if (go == PCMTRIG_START) {
+			uaudio_trigger_output(pa_dev);
+		} else {
+			uaudio_halt_out_dma(pa_dev);
+		}
+	} else {
+#ifndef NO_RECORDING
+		if (go == PCMTRIG_START)
+			uaudio_trigger_input(pa_dev);
+		else
+			uaudio_halt_in_dma(pa_dev);
+#endif
+	}
+
+	return 0;
+}
+
+static int
+ua_chan_getptr(kobj_t obj, void *data)
+{
+	device_t pa_dev;
+	struct ua_info *ua;
+	struct ua_chinfo *ch = data;
+
+	ua = ch->parent;
+	pa_dev = device_get_parent(ua->sc_dev);
+
+	return uaudio_chan_getptr(pa_dev);
+}
+
+static struct pcmchan_caps *
+ua_chan_getcaps(kobj_t obj, void *data)
+{
+	struct ua_chinfo *ch = data;
+
+	return (ch->dir == PCMDIR_PLAY) ? &ua_playcaps : & ua_reccaps;
+}
+
+static kobj_method_t ua_chan_methods[] = {
+	KOBJMETHOD(channel_init,		ua_chan_init),
+	KOBJMETHOD(channel_setformat,		ua_chan_setformat),
+	KOBJMETHOD(channel_setspeed,		ua_chan_setspeed),
+	KOBJMETHOD(channel_setblocksize,	ua_chan_setblocksize),
+	KOBJMETHOD(channel_trigger,		ua_chan_trigger),
+	KOBJMETHOD(channel_getptr,		ua_chan_getptr),
+	KOBJMETHOD(channel_getcaps,		ua_chan_getcaps),
+	{ 0, 0 }
+};
+
+CHANNEL_DECLARE(ua_chan);
+
+/************************************************************/
+static int
+ua_mixer_init(struct snd_mixer *m)
+{
+	u_int32_t mask;
+	device_t pa_dev;
+	struct ua_info *ua = mix_getdevinfo(m);
+
+	pa_dev = device_get_parent(ua->sc_dev);
+
+	mask = uaudio_query_mix_info(pa_dev);
+	mix_setdevs(m,	mask);
+
+	return 0;
+}
+
+static int
+ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right)
+{
+	device_t pa_dev;
+	struct ua_info *ua = mix_getdevinfo(m);
+
+	pa_dev = device_get_parent(ua->sc_dev);
+	uaudio_mixer_set(pa_dev, type, left, right);
+
+	return left | (right << 8);
+}
+
+static int
+ua_mixer_setrecsrc(struct snd_mixer *m, u_int32_t src)
+{
+	return src;
+}
+
+static kobj_method_t ua_mixer_methods[] = {
+	KOBJMETHOD(mixer_init,		ua_mixer_init),
+	KOBJMETHOD(mixer_set,		ua_mixer_set),
+	KOBJMETHOD(mixer_setrecsrc,	ua_mixer_setrecsrc),
+
+	{ 0, 0 }
+};
+MIXER_DECLARE(ua_mixer);
+/************************************************************/
+
+
+static int
+ua_probe(device_t dev)
+{
+	char *s;
+	struct sndcard_func *func;
+
+	/* The parent device has already been probed. */
+
+	func = device_get_ivars(dev);
+	if (func == NULL || func->func != SCF_PCM)
+		return (ENXIO);
+
+	s = "USB Audio";
+
+	device_set_desc(dev, s);
+	return 0;
+}
+
+static int
+ua_attach(device_t dev)
+{
+	struct ua_info *ua;
+	char status[SND_STATUSLEN];
+	unsigned int bufsz;
+
+	ua = (struct ua_info *)malloc(sizeof *ua, M_DEVBUF, M_NOWAIT);
+	if (!ua)
+		return ENXIO;
+	bzero(ua, sizeof *ua);
+
+	ua->sc_dev = dev;
+
+	bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_PCM_BUFF_SIZE, 65536);
+
+	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
+				/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
+				/*highaddr*/BUS_SPACE_MAXADDR,
+				/*filter*/NULL, /*filterarg*/NULL,
+				/*maxsize*/bufsz, /*nsegments*/1,
+				/*maxsegz*/0x3fff, /*flags*/0,
+				&ua->parent_dmat) != 0) {
+		device_printf(dev, "unable to create dma tag\n");
+		goto bad;
+	}
+
+	if (mixer_init(dev, &ua_mixer_class, ua)) {
+		return(ENXIO);
+	}
+
+	snprintf(status, SND_STATUSLEN, "at addr ?");
+
+	if (pcm_register(dev, ua, 1, 0)) {
+		return(ENXIO);
+	}
+
+	pcm_addchan(dev, PCMDIR_PLAY, &ua_chan_class, ua);
+#ifndef NO_RECORDING
+	pcm_addchan(dev, PCMDIR_REC, &ua_chan_class, ua);
+#endif
+	pcm_setstatus(dev, status);
+
+	return 0;
+bad:
+	if (ua->parent_dmat)
+		bus_dma_tag_destroy(ua->parent_dmat);
+	free(ua, M_DEVBUF);
+
+	return ENXIO;
+}
+
+static int
+ua_detach(device_t dev)
+{
+	int r;
+	struct ua_info *sc;
+
+	r = pcm_unregister(dev);
+	if (r)
+		return r;
+
+	sc = pcm_getdevinfo(dev);
+	bus_dma_tag_destroy(sc->parent_dmat);
+	free(sc, M_DEVBUF);
+
+	return 0;
+}
+
+/************************************************************/
+
+static device_method_t ua_pcm_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		ua_probe),
+	DEVMETHOD(device_attach,	ua_attach),
+	DEVMETHOD(device_detach,	ua_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t ua_pcm_driver = {
+	"pcm",
+	ua_pcm_methods,
+	PCM_SOFTC_SIZE,
+};
+
+static devclass_t pcm_devclass;
+
+DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0);
+MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1);
+MODULE_DEPEND(ua_pcm, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
+MODULE_VERSION(ua_pcm, 1);