diff --git a/sound/firewire/tascam/Makefile b/sound/firewire/tascam/Makefile
index 3be9434..84391ac 100644
--- a/sound/firewire/tascam/Makefile
+++ b/sound/firewire/tascam/Makefile
@@ -1,3 +1,3 @@
 snd-firewire-tascam-objs := tascam-proc.o amdtp-tascam.o tascam-stream.o \
-			    tascam.o
+			    tascam-pcm.o tascam.o
 obj-m += snd-firewire-tascam.o
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
new file mode 100644
index 0000000..b1bdb9f
--- /dev/null
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -0,0 +1,295 @@
+/*
+ * tascam-pcm.c - a part of driver for TASCAM FireWire series
+ *
+ * Copyright (c) 2015 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#include "tascam.h"
+
+static void set_buffer_params(struct snd_pcm_hardware *hw)
+{
+	hw->period_bytes_min = 4 * hw->channels_min;
+	hw->period_bytes_max = hw->period_bytes_min * 2048;
+	hw->buffer_bytes_max = hw->period_bytes_max * 2;
+
+	hw->periods_min = 2;
+	hw->periods_max = UINT_MAX;
+}
+
+static int pcm_init_hw_params(struct snd_tscm *tscm,
+			      struct snd_pcm_substream *substream)
+{
+	static const struct snd_pcm_hardware hardware = {
+		.info = SNDRV_PCM_INFO_BATCH |
+			SNDRV_PCM_INFO_BLOCK_TRANSFER |
+			SNDRV_PCM_INFO_INTERLEAVED |
+			SNDRV_PCM_INFO_JOINT_DUPLEX |
+			SNDRV_PCM_INFO_MMAP |
+			SNDRV_PCM_INFO_MMAP_VALID,
+		.rates = SNDRV_PCM_RATE_44100 |
+			 SNDRV_PCM_RATE_48000 |
+			 SNDRV_PCM_RATE_88200 |
+			 SNDRV_PCM_RATE_96000,
+		.rate_min = 44100,
+		.rate_max = 96000,
+		.channels_min = 10,
+		.channels_max = 18,
+	};
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	unsigned int pcm_channels;
+	int err;
+
+	runtime->hw = hardware;
+
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		runtime->hw.formats = SNDRV_PCM_FMTBIT_S32;
+		pcm_channels = tscm->spec->pcm_capture_analog_channels;
+		if (tscm->spec->has_adat)
+			pcm_channels += 8;
+		if (tscm->spec->has_spdif)
+			pcm_channels += 2;
+		runtime->hw.channels_min =
+					runtime->hw.channels_max = pcm_channels;
+	} else {
+		runtime->hw.formats =
+				SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S32;
+		pcm_channels = tscm->spec->pcm_playback_analog_channels;
+		if (tscm->spec->has_adat)
+			pcm_channels += 8;
+		if (tscm->spec->has_spdif)
+			pcm_channels += 2;
+		runtime->hw.channels_min =
+					runtime->hw.channels_max = pcm_channels;
+	}
+
+	set_buffer_params(&runtime->hw);
+
+	/* Deliver 24bit data */
+	err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+	if (err < 0)
+		goto end;
+
+	/* 16 packets are handled in one callback. This is for safe. */
+	err = snd_pcm_hw_constraint_minmax(runtime,
+					   SNDRV_PCM_HW_PARAM_PERIOD_TIME,
+					   5000, UINT_MAX);
+end:
+	return err;
+}
+
+static int pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_tscm *tscm = substream->private_data;
+	enum snd_tscm_clock clock;
+	unsigned int rate;
+	int err;
+
+	err = pcm_init_hw_params(tscm, substream);
+	if (err < 0)
+		return err;
+
+	err = snd_tscm_stream_get_clock(tscm, &clock);
+	if ((clock != SND_TSCM_CLOCK_INTERNAL) |
+	    amdtp_stream_pcm_running(&tscm->rx_stream) |
+	    amdtp_stream_pcm_running(&tscm->tx_stream)) {
+		err = snd_tscm_stream_get_rate(tscm, &rate);
+		if (err < 0)
+			return err;
+		substream->runtime->hw.rate_min = rate;
+		substream->runtime->hw.rate_max = rate;
+	}
+
+	snd_pcm_set_sync(substream);
+
+	return err;
+}
+
+static int pcm_close(struct snd_pcm_substream *substream)
+{
+	return 0;
+}
+
+static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *hw_params)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+		mutex_lock(&tscm->mutex);
+		tscm->substreams_counter++;
+		mutex_unlock(&tscm->mutex);
+	}
+	amdtp_tscm_set_pcm_format(&tscm->tx_stream, params_format(hw_params));
+	return snd_pcm_lib_alloc_vmalloc_buffer(substream,
+						params_buffer_bytes(hw_params));
+}
+static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *hw_params)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+		mutex_lock(&tscm->mutex);
+		tscm->substreams_counter++;
+		mutex_unlock(&tscm->mutex);
+	}
+	amdtp_tscm_set_pcm_format(&tscm->rx_stream, params_format(hw_params));
+	return snd_pcm_lib_alloc_vmalloc_buffer(substream,
+						params_buffer_bytes(hw_params));
+}
+
+static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	mutex_lock(&tscm->mutex);
+
+	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
+		tscm->substreams_counter--;
+
+	snd_tscm_stream_stop_duplex(tscm);
+
+	mutex_unlock(&tscm->mutex);
+
+	return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+static int pcm_playback_hw_free(struct snd_pcm_substream *substream)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	mutex_lock(&tscm->mutex);
+
+	if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
+		tscm->substreams_counter--;
+
+	snd_tscm_stream_stop_duplex(tscm);
+
+	mutex_unlock(&tscm->mutex);
+
+	return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+
+static int pcm_capture_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_tscm *tscm = substream->private_data;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	int err;
+
+	mutex_lock(&tscm->mutex);
+
+	err = snd_tscm_stream_start_duplex(tscm, runtime->rate);
+	if (err >= 0)
+		amdtp_stream_pcm_prepare(&tscm->tx_stream);
+
+	mutex_unlock(&tscm->mutex);
+
+	return err;
+}
+static int pcm_playback_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_tscm *tscm = substream->private_data;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	int err;
+
+	mutex_lock(&tscm->mutex);
+
+	err = snd_tscm_stream_start_duplex(tscm, runtime->rate);
+	if (err >= 0)
+		amdtp_stream_pcm_prepare(&tscm->rx_stream);
+
+	mutex_unlock(&tscm->mutex);
+
+	return err;
+}
+
+static int pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		amdtp_stream_pcm_trigger(&tscm->tx_stream, substream);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		amdtp_stream_pcm_trigger(&tscm->tx_stream, NULL);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+static int pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_tscm *tscm = substream->private_data;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		amdtp_stream_pcm_trigger(&tscm->rx_stream, substream);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		amdtp_stream_pcm_trigger(&tscm->rx_stream, NULL);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static snd_pcm_uframes_t pcm_capture_pointer(struct snd_pcm_substream *sbstrm)
+{
+	struct snd_tscm *tscm = sbstrm->private_data;
+
+	return amdtp_stream_pcm_pointer(&tscm->tx_stream);
+}
+static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm)
+{
+	struct snd_tscm *tscm = sbstrm->private_data;
+
+	return amdtp_stream_pcm_pointer(&tscm->rx_stream);
+}
+
+static struct snd_pcm_ops pcm_capture_ops = {
+	.open		= pcm_open,
+	.close		= pcm_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= pcm_capture_hw_params,
+	.hw_free	= pcm_capture_hw_free,
+	.prepare	= pcm_capture_prepare,
+	.trigger	= pcm_capture_trigger,
+	.pointer	= pcm_capture_pointer,
+	.page		= snd_pcm_lib_get_vmalloc_page,
+};
+static struct snd_pcm_ops pcm_playback_ops = {
+	.open		= pcm_open,
+	.close		= pcm_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= pcm_playback_hw_params,
+	.hw_free	= pcm_playback_hw_free,
+	.prepare	= pcm_playback_prepare,
+	.trigger	= pcm_playback_trigger,
+	.pointer	= pcm_playback_pointer,
+	.page		= snd_pcm_lib_get_vmalloc_page,
+	.mmap		= snd_pcm_lib_mmap_vmalloc,
+};
+
+int snd_tscm_create_pcm_devices(struct snd_tscm *tscm)
+{
+	struct snd_pcm *pcm;
+	int err;
+
+	err = snd_pcm_new(tscm->card, tscm->card->driver, 0, 1, 1, &pcm);
+	if (err < 0)
+		return err;
+
+	pcm->private_data = tscm;
+	snprintf(pcm->name, sizeof(pcm->name),
+		 "%s PCM", tscm->card->shortname);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_playback_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_capture_ops);
+
+	return 0;
+}
diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c
index c56b0a4..ca3af62 100644
--- a/sound/firewire/tascam/tascam.c
+++ b/sound/firewire/tascam/tascam.c
@@ -131,6 +131,10 @@ static int snd_tscm_probe(struct fw_unit *unit,
 	if (err < 0)
 		goto error;
 
+	err = snd_tscm_create_pcm_devices(tscm);
+	if (err < 0)
+		goto error;
+
 	err = snd_card_register(card);
 	if (err < 0)
 		goto error;
diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h
index 729c9c8..feaf7e1 100644
--- a/sound/firewire/tascam/tascam.h
+++ b/sound/firewire/tascam/tascam.h
@@ -95,3 +95,5 @@ int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate);
 void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm);
 
 void snd_tscm_proc_init(struct snd_tscm *tscm);
+
+int snd_tscm_create_pcm_devices(struct snd_tscm *tscm);
