Add support for mtk mt8195 platform

src/arch/xtensa/configs/mt8195_defconfig

@@ -0,0 +1,17 @@
+CONFIG_MT8195=y
+CONFIG_CORE_COUNT=1
+CONFIG_XT_VIRTUAL_OPS=1
+CONFIG_COMP_VOLUME=y
+CONFIG_COMP_SRC=n
+CONFIG_COMP_FIR=n
+CONFIG_COMP_IIR=n
+CONFIG_COMP_DCBLOCK=n
+CONFIG_COMP_TDFB=n
+CONFIG_COMP_TONE=n
+CONFIG_COMP_MIXER=n
+CONFIG_COMP_MUX=n
+CONFIG_COMP_SWITCH=n
+CONFIG_COMP_KPB=n
+CONFIG_COMP_SEL=n
+CONFIG_COMP_ASRC=n
+

src/drivers/CMakeLists.txt

@@ -12,6 +12,10 @@ if(CONFIG_RENOIR)
 	add_subdirectory(amd)
 endif()
 
+if(CONFIG_MEDIATEK)
+	add_subdirectory(mediatek)
+endif()
+
 if(CONFIG_LIBRARY)
 	add_subdirectory(host)
 	return()

src/drivers/mediatek/CMakeLists.txt

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+if(CONFIG_MT8195)
+	add_subdirectory(mt8195)
+endif()

src/drivers/mediatek/mt8195/CMakeLists.txt

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+add_local_sources(sof ipc.c timer.c
+	interrupt.c uart.c afe-memif.c afe-dai.c afe-drv.c
+)
+

src/drivers/mediatek/mt8195/afe-dai.c

@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: BSD-3-Clause
+//
+// Copyright(c) 2021 Mediatek
+//
+// Author: Bo Pan <bo.pan@mediatek.com>
+//         YC Hung <yc.hung@mediatek.com>
+
+#include <sof/audio/component.h>
+#include <sof/drivers/afe-drv.h>
+#include <sof/drivers/timer.h>
+#include <sof/lib/alloc.h>
+#include <sof/lib/dai.h>
+#include <sof/lib/dma.h>
+#include <sof/lib/io.h>
+#include <sof/lib/notifier.h>
+#include <sof/lib/uuid.h>
+#include <sof/math/numbers.h>
+#include <sof/platform.h>
+#include <ipc/dai.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/* 30290c76-6a05-4784-8464-c21f09cee87e */
+DECLARE_SOF_UUID("afe-dai", afe_dai_uuid, 0x30290c76, 0x6a05, 0x4784,
+		 0x84, 0x64, 0xc2, 0x1f, 0x09, 0xce, 0xe8, 0x7e);
+
+DECLARE_TR_CTX(afe_dai_tr, SOF_UUID(afe_dai_uuid), LOG_LEVEL_INFO);
+
+static int afe_dai_drv_trigger(struct dai *dai, int cmd, int direction)
+{
+	return 0;
+}
+
+static int afe_dai_drv_set_config(struct dai *dai, struct ipc_config_dai *common_config,
+				  void *spec_config)
+{
+	struct sof_ipc_dai_config *config = spec_config;
+	struct mtk_base_afe *afe = dai_get_drvdata(dai);
+
+	afe_dai_set_config(afe,
+			   dai->index,
+			   config->afe.dai_channels,
+			   config->afe.dai_rate,
+			   config->afe.dai_format);
+	return 0;
+}
+
+/* get HDA hw params */
+static int afe_dai_drv_get_hw_params(struct dai *dai, struct sof_ipc_stream_params *params, int dir)
+{
+	struct mtk_base_afe *afe = dai_get_drvdata(dai);
+	unsigned int channel, rate, format;
+
+	afe_dai_get_config(afe, dai->index, &channel, &rate, &format);
+	params->rate = rate;
+	params->channels = channel;
+	params->buffer_fmt = format;
+	params->frame_fmt = format;
+
+	return 0;
+}
+
+static int afe_dai_drv_probe(struct dai *dai)
+{
+	struct mtk_base_afe *afe = afe_get();
+
+	dai_info(dai, "afe_dai_probe()");
+
+	if (dai_get_drvdata(dai))
+		return -EEXIST;
+
+	dai_set_drvdata(dai, afe);
+
+	return 0;
+}
+
+static int afe_dai_drv_remove(struct dai *dai)
+{
+	dai_info(dai, "afe_dai_remove()");
+
+	return 0;
+}
+
+static int afe_dai_drv_dummy(struct dai *dai)
+{
+	return 0;
+}
+
+static int afe_dai_drv_get_handshake(struct dai *dai, int direction, int stream_id)
+{
+	return (int)dai->plat_data.fifo[0].handshake;
+}
+
+static int afe_dai_drv_get_fifo(struct dai *dai, int direction, int stream_id)
+{
+	return 0;
+}
+
+const struct dai_driver afe_dai_driver = {
+	.type = SOF_DAI_MEDIATEK_AFE,
+	.uid = SOF_UUID(afe_dai_uuid),
+	.tctx = &afe_dai_tr,
+	.dma_dev = DMA_DEV_AFE_MEMIF,
+	.ops = {
+		.trigger		= afe_dai_drv_trigger,
+		.set_config		= afe_dai_drv_set_config,
+		.pm_context_store	= afe_dai_drv_dummy,
+		.pm_context_restore	= afe_dai_drv_dummy,
+		.get_hw_params		= afe_dai_drv_get_hw_params,
+		.get_handshake		= afe_dai_drv_get_handshake,
+		.get_fifo		= afe_dai_drv_get_fifo,
+		.probe			= afe_dai_drv_probe,
+		.remove			= afe_dai_drv_remove,
+	},
+};