dai: support for hda cyclic mode dai added

There are no buffer completion int's, so work queue timers are
used by hda-dma in cyclic mode.
Buffer segment completion programming removed.

W/A to observed work queue timer inaccuracy applied.

Signed-off-by: Marcin Maka <marcin.maka@linux.intel.com>

Author: Marcin Maka

src/audio/dai.c

@@ -197,9 +197,21 @@ static struct comp_dev *dai_new(struct sof_ipc_comp *comp)
 	/* TODO: hda: retrieve req'ed caps from the dai,
 	 * dmas are not cross-compatible.
 	 */
-	dir = DMA_DIR_MEM_TO_DEV | DMA_DIR_DEV_TO_MEM;
-	caps = DMA_CAP_GP_LP | DMA_CAP_GP_HP;
-	dma_dev = DMA_DEV_SSP | DMA_DEV_DMIC;
+	switch (dai->type) {
+	case SOF_DAI_INTEL_HDA:
+		dir = dai->direction == SOF_IPC_STREAM_PLAYBACK ?
+				DMA_DIR_DEV_TO_MEM : DMA_DIR_MEM_TO_DEV;
+		caps = DMA_CAP_HDA;
+		dma_dev = DMA_DEV_HDA;
+		break;
+	case SOF_DAI_INTEL_SSP:
+	case SOF_DAI_INTEL_DMIC:
+	default:
+		dir = DMA_DIR_MEM_TO_DEV | DMA_DIR_DEV_TO_MEM;
+		caps = DMA_CAP_GP_LP | DMA_CAP_GP_HP;
+		dma_dev = DMA_DEV_SSP | DMA_DEV_DMIC;
+		break;
+	}
 	dd->dma = dma_get(dir, caps, dma_dev, DMA_ACCESS_SHARED);
 	if (dd->dma == NULL) {
 		trace_dai_error("eDd");
@@ -702,6 +714,13 @@ static int dai_config(struct comp_dev *dev, struct sof_ipc_dai_config *config)
 		trace_value(config->dmic.pdm[0].enable_mic_b);
 		trace_value(dev->frame_bytes);
 		break;
+	case SOF_DAI_INTEL_HDA:
+		/* set to some non-zero value to satisfy the condition below,
+		 * it is recalculated in dai_params() later
+		 * this is temp until dai/hda model is changed.
+		 */
+		dev->frame_bytes = 4;
+		break;
 	default:
 		/* other types of DAIs not handled for now */
 		trace_dai_error("de2");

src/audio/host.c

@@ -863,7 +863,8 @@ static int host_copy(struct comp_dev *dev)
 
 #if defined CONFIG_DMA_GW
 	/* tell gateway to copy another period */
-	ret = dma_copy(hd->dma, hd->chan, hd->period_bytes);
+	/* TODO: flags to be used by preload */
+	ret = dma_copy(hd->dma, hd->chan, hd->period_bytes, 0);
 	if (ret < 0)
 		goto out;
 

src/drivers/Makefile.am

@@ -27,6 +27,7 @@ if BUILD_APOLLOLAKE
 libdrivers_a_SOURCES += \
 	apl-ssp.c \
 	hda-dma.c \
+	cavs-hda.c \
 	dmic.c
 endif
 

src/drivers/cavs-hda.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2018, Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * 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.
+ *   * Neither the name of the Intel Corporation nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ *
+ * Author: Marcin Maka <marcin.maka@linux.intel.com
+ */
+
+#include <errno.h>
+#include <sof/dai.h>
+
+static int hda_trigger(struct dai *dai, int cmd, int direction)
+{
+	return 0;
+}
+
+static int hda_set_config(struct dai *dai,
+			  struct sof_ipc_dai_config *config)
+{
+	return 0;
+}
+
+static int hda_dummy(struct dai *dai)
+{
+	return 0;
+}
+
+static int hda_set_loopback_mode(struct dai *dai, uint32_t lbm)
+{
+	return -EINVAL;
+}
+
+const struct dai_ops hda_ops = {
+	.trigger		= hda_trigger,
+	.set_config		= hda_set_config,
+	.pm_context_store	= hda_dummy,
+	.pm_context_restore	= hda_dummy,
+	.probe			= hda_dummy,
+	.set_loopback_mode	= hda_set_loopback_mode
+};