sound/soc/sof/mediatek/mt8195/mt8195.c - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
 //
 // Copyright(c) 2021 Mediatek Inc. All rights reserved.
 //
 // Author: YC Hung <yc.hung@mediatek.com>
 //

 /*
  * Hardware interface for audio DSP on mt8195
  */

 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/io.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/module.h>

 #include <sound/sof.h>
 #include <sound/sof/xtensa.h>
 #include "../../ops.h"
 #include "../../sof-of-dev.h"
 #include "../../sof-audio.h"
 #include "../adsp_helper.h"
 #include "../mtk-adsp-common.h"
 #include "mt8195.h"
 #include "mt8195-clk.h"

 static int mt8195_get_mailbox_offset(struct snd_sof_dev *sdev)
 {
 	return MBOX_OFFSET;
 }

 static int mt8195_get_window_offset(struct snd_sof_dev *sdev, u32 id)
 {
 	return MBOX_OFFSET;
 }

 static int mt8195_send_msg(struct snd_sof_dev *sdev,
 			   struct snd_sof_ipc_msg *msg)
 {
 	struct adsp_priv *priv = sdev->pdata->hw_pdata;

 	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
 			  msg->msg_size);

 	return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ);
 }

 static void mt8195_get_reply(struct snd_sof_dev *sdev)
 {
 	struct snd_sof_ipc_msg *msg = sdev->msg;
 	struct sof_ipc_reply reply;
 	int ret = 0;

 	if (!msg) {
 		dev_warn(sdev->dev, "unexpected ipc interrupt\n");
 		return;
 	}

 	/* get reply */
 	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
 	if (reply.error < 0) {
 		memcpy(msg->reply_data, &reply, sizeof(reply));
 		ret = reply.error;
 	} else {
 		/* reply has correct size? */
 		if (reply.hdr.size != msg->reply_size) {
 			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
 				msg->reply_size, reply.hdr.size);
 			ret = -EINVAL;
 		}

 		/* read the message */
 		if (msg->reply_size > 0)
 			sof_mailbox_read(sdev, sdev->host_box.offset,
 					 msg->reply_data, msg->reply_size);
 	}

 	msg->reply_error = ret;
 }

 static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc)
 {
 	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
 	unsigned long flags;

 	spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
 	mt8195_get_reply(priv->sdev);
 	snd_sof_ipc_reply(priv->sdev, 0);
 	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
 }

 static void mt8195_dsp_handle_request(struct mtk_adsp_ipc *ipc)
 {
 	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
 	u32 p; /* panic code */
 	int ret;

 	/* Read the message from the debug box. */
 	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4,
 			 &p, sizeof(p));

 	/* Check to see if the message is a panic code 0x0dead*** */
 	if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
 		snd_sof_dsp_panic(priv->sdev, p, true);
 	} else {
 		snd_sof_ipc_msgs_rx(priv->sdev);

 		/* tell DSP cmd is done */
 		ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP);
 		if (ret)
 			dev_err(priv->dev, "request send ipc failed");
 	}
 }

 static struct mtk_adsp_ipc_ops dsp_ops = {
 	.handle_reply		= mt8195_dsp_handle_reply,
 	.handle_request		= mt8195_dsp_handle_request,
 };

 static int platform_parse_resource(struct platform_device *pdev, void *data)
 {
 	struct resource *mmio;
 	struct resource res;
 	struct device_node *mem_region;
 	struct device *dev = &pdev->dev;
 	struct mtk_adsp_chip_info *adsp = data;
 	int ret;

 	mem_region = of_parse_phandle(dev->of_node, "memory-region", 0);
 	if (!mem_region) {
 		dev_err(dev, "no dma memory-region phandle\n");
 		return -ENODEV;
 	}

 	ret = of_address_to_resource(mem_region, 0, &res);
 	of_node_put(mem_region);
 	if (ret) {
 		dev_err(dev, "of_address_to_resource dma failed\n");
 		return ret;
 	}

 	dev_dbg(dev, "DMA %pR\n", &res);

 	adsp->pa_shared_dram = (phys_addr_t)res.start;
 	adsp->shared_size = resource_size(&res);
 	if (adsp->pa_shared_dram & DRAM_REMAP_MASK) {
 		dev_err(dev, "adsp shared dma memory(%#x) is not 4K-aligned\n",
 			(u32)adsp->pa_shared_dram);
 		return -EINVAL;
 	}

 	ret = of_reserved_mem_device_init(dev);
 	if (ret) {
 		dev_err(dev, "of_reserved_mem_device_init failed\n");
 		return ret;
 	}

 	mem_region = of_parse_phandle(dev->of_node, "memory-region", 1);
 	if (!mem_region) {
 		dev_err(dev, "no memory-region sysmem phandle\n");
 		return -ENODEV;
 	}

 	ret = of_address_to_resource(mem_region, 0, &res);
 	of_node_put(mem_region);
 	if (ret) {
 		dev_err(dev, "of_address_to_resource sysmem failed\n");
 		return ret;
 	}

 	adsp->pa_dram = (phys_addr_t)res.start;
 	adsp->dramsize = resource_size(&res);
 	if (adsp->pa_dram & DRAM_REMAP_MASK) {
 		dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n",
 			(u32)adsp->pa_dram);
 		return -EINVAL;
 	}

 	if (adsp->dramsize < TOTAL_SIZE_SHARED_DRAM_FROM_TAIL) {
 		dev_err(dev, "adsp memory(%#x) is not enough for share\n",
 			adsp->dramsize);
 		return -EINVAL;
 	}

 	dev_dbg(dev, "dram pbase=%pa, dramsize=%#x\n",
 		&adsp->pa_dram, adsp->dramsize);

 	/* Parse CFG base */
 	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
 	if (!mmio) {
 		dev_err(dev, "no ADSP-CFG register resource\n");
 		return -ENXIO;
 	}
 	/* remap for DSP register accessing */
 	adsp->va_cfgreg = devm_ioremap_resource(dev, mmio);
 	if (IS_ERR(adsp->va_cfgreg))
 		return PTR_ERR(adsp->va_cfgreg);

 	adsp->pa_cfgreg = (phys_addr_t)mmio->start;
 	adsp->cfgregsize = resource_size(mmio);

 	dev_dbg(dev, "cfgreg-vbase=%p, cfgregsize=%#x\n",
 		adsp->va_cfgreg, adsp->cfgregsize);

 	/* Parse SRAM */
 	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
 	if (!mmio) {
 		dev_err(dev, "no SRAM resource\n");
 		return -ENXIO;
 	}

 	adsp->pa_sram = (phys_addr_t)mmio->start;
 	adsp->sramsize = resource_size(mmio);
 	if (adsp->sramsize < TOTAL_SIZE_SHARED_SRAM_FROM_TAIL) {
 		dev_err(dev, "adsp SRAM(%#x) is not enough for share\n",
 			adsp->sramsize);
 		return -EINVAL;
 	}

 	dev_dbg(dev, "sram pbase=%pa,%#x\n", &adsp->pa_sram, adsp->sramsize);

 	return ret;
 }

 static int adsp_sram_power_on(struct device *dev, bool on)
 {
 	void __iomem *va_dspsysreg;
 	u32 srampool_con;

 	va_dspsysreg = ioremap(ADSP_SRAM_POOL_CON, 0x4);
 	if (!va_dspsysreg) {
 		dev_err(dev, "failed to ioremap sram pool base %#x\n",
 			ADSP_SRAM_POOL_CON);
 		return -ENOMEM;
 	}

 	srampool_con = readl(va_dspsysreg);
 	if (on)
 		writel(srampool_con & ~DSP_SRAM_POOL_PD_MASK, va_dspsysreg);
 	else
 		writel(srampool_con | DSP_SRAM_POOL_PD_MASK, va_dspsysreg);

 	iounmap(va_dspsysreg);
 	return 0;
 }

 /*  Init the basic DSP DRAM address */
 static int adsp_memory_remap_init(struct device *dev, struct mtk_adsp_chip_info *adsp)
 {
 	void __iomem *vaddr_emi_map;
 	int offset;

 	if (!adsp)
 		return -ENXIO;

 	vaddr_emi_map = devm_ioremap(dev, DSP_EMI_MAP_ADDR, 0x4);
 	if (!vaddr_emi_map) {
 		dev_err(dev, "failed to ioremap emi map base %#x\n",
 			DSP_EMI_MAP_ADDR);
 		return -ENOMEM;
 	}

 	offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW;
 	adsp->dram_offset = offset;
 	offset >>= DRAM_REMAP_SHIFT;
 	dev_dbg(dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset);
 	writel(offset, vaddr_emi_map);
 	if (offset != readl(vaddr_emi_map)) {
 		dev_err(dev, "write emi map fail : %#x\n", readl(vaddr_emi_map));
 		return -EIO;
 	}

 	return 0;
 }

 static int adsp_shared_base_ioremap(struct platform_device *pdev, void *data)
 {
 	struct device *dev = &pdev->dev;
 	struct mtk_adsp_chip_info *adsp = data;

 	/* remap shared-dram base to be non-cachable */
 	adsp->shared_dram = devm_ioremap(dev, adsp->pa_shared_dram,
 					 adsp->shared_size);
 	if (!adsp->shared_dram) {
 		dev_err(dev, "failed to ioremap base %pa size %#x\n",
 			adsp->shared_dram, adsp->shared_size);
 		return -ENOMEM;
 	}

 	dev_dbg(dev, "shared-dram vbase=%p, phy addr :%pa,  size=%#x\n",
 		adsp->shared_dram, &adsp->pa_shared_dram, adsp->shared_size);

 	return 0;
 }

 static int mt8195_run(struct snd_sof_dev *sdev)
 {
 	u32 adsp_bootup_addr;

 	adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW;
 	dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr);
 	sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);

 	return 0;
 }

 static int mt8195_dsp_probe(struct snd_sof_dev *sdev)
 {
 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
 	struct adsp_priv *priv;
 	int ret;

 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;

 	sdev->pdata->hw_pdata = priv;
 	priv->dev = sdev->dev;
 	priv->sdev = sdev;

 	priv->adsp = devm_kzalloc(&pdev->dev, sizeof(struct mtk_adsp_chip_info), GFP_KERNEL);
 	if (!priv->adsp)
 		return -ENOMEM;

 	ret = platform_parse_resource(pdev, priv->adsp);
 	if (ret)
 		return ret;

 	ret = mt8195_adsp_init_clock(sdev);
 	if (ret) {
 		dev_err(sdev->dev, "mt8195_adsp_init_clock failed\n");
 		return -EINVAL;
 	}

 	ret = adsp_clock_on(sdev);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_clock_on fail!\n");
 		return -EINVAL;
 	}

 	ret = adsp_sram_power_on(sdev->dev, true);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_sram_power_on fail!\n");
 		goto exit_clk_disable;
 	}

 	ret = adsp_memory_remap_init(&pdev->dev, priv->adsp);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_memory_remap_init fail!\n");
 		goto err_adsp_sram_power_off;
 	}

 	sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev,
 						       priv->adsp->pa_sram,
 						       priv->adsp->sramsize);
 	if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
 		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
 			&priv->adsp->pa_sram, priv->adsp->sramsize);
 		ret = -EINVAL;
 		goto err_adsp_sram_power_off;
 	}

 	priv->adsp->va_sram = sdev->bar[SOF_FW_BLK_TYPE_IRAM];

 	sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap(sdev->dev,
 						       priv->adsp->pa_dram,
 						       priv->adsp->dramsize);
 	if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
 		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
 			&priv->adsp->pa_dram, priv->adsp->dramsize);
 		ret = -EINVAL;
 		goto err_adsp_sram_power_off;
 	}
 	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];

 	ret = adsp_shared_base_ioremap(pdev, priv->adsp);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_shared_base_ioremap fail!\n");
 		goto err_adsp_sram_power_off;
 	}

 	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;

 	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
 	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;

 	/* set default mailbox offset for FW ready message */
 	sdev->dsp_box.offset = mt8195_get_mailbox_offset(sdev);

 	priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc",
 						      PLATFORM_DEVID_NONE,
 						      pdev, sizeof(*pdev));
 	if (IS_ERR(priv->ipc_dev)) {
 		ret = PTR_ERR(priv->ipc_dev);
 		dev_err(sdev->dev, "failed to register mtk-adsp-ipc device\n");
 		goto err_adsp_sram_power_off;
 	}

 	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
 	if (!priv->dsp_ipc) {
 		ret = -EPROBE_DEFER;
 		dev_err(sdev->dev, "failed to get drvdata\n");
 		goto exit_pdev_unregister;
 	}

 	mtk_adsp_ipc_set_data(priv->dsp_ipc, priv);
 	priv->dsp_ipc->ops = &dsp_ops;

 	return 0;

 exit_pdev_unregister:
 	platform_device_unregister(priv->ipc_dev);
 err_adsp_sram_power_off:
 	adsp_sram_power_on(&pdev->dev, false);
 exit_clk_disable:
 	adsp_clock_off(sdev);

 	return ret;
 }

 static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev)
 {
 	return snd_sof_suspend(sdev->dev);
 }

 static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
 {
 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
 	struct adsp_priv *priv = sdev->pdata->hw_pdata;

 	platform_device_unregister(priv->ipc_dev);
 	adsp_sram_power_on(&pdev->dev, false);
 	adsp_clock_off(sdev);

 	return 0;
 }

 static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
 {
 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
 	int ret;
 	u32 reset_sw, dbg_pc;

 	/* wait dsp enter idle, timeout is 1 second */
 	ret = snd_sof_dsp_read_poll_timeout(sdev, DSP_REG_BAR,
 					    DSP_RESET_SW, reset_sw,
 					    ((reset_sw & ADSP_PWAIT) == ADSP_PWAIT),
 					    SUSPEND_DSP_IDLE_POLL_INTERVAL_US,
 					    SUSPEND_DSP_IDLE_TIMEOUT_US);
 	if (ret < 0) {
 		dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
 		dev_warn(sdev->dev, "dsp not idle, powering off anyway : swrest %#x, pc %#x, ret %d\n",
 			 reset_sw, dbg_pc, ret);
 	}

 	/* stall and reset dsp */
 	sof_hifixdsp_shutdown(sdev);

 	/* power down adsp sram */
 	ret = adsp_sram_power_on(&pdev->dev, false);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_sram_power_off fail!\n");
 		return ret;
 	}

 	/* turn off adsp clock */
 	return adsp_clock_off(sdev);
 }

 static int mt8195_dsp_resume(struct snd_sof_dev *sdev)
 {
 	int ret;

 	/* turn on adsp clock */
 	ret = adsp_clock_on(sdev);
 	if (ret) {
 		dev_err(sdev->dev, "adsp_clock_on fail!\n");
 		return ret;
 	}

 	/* power on adsp sram */
 	ret = adsp_sram_power_on(sdev->dev, true);
 	if (ret)
 		dev_err(sdev->dev, "adsp_sram_power_on fail!\n");

 	return ret;
 }

 /* on mt8195 there is 1 to 1 match between type and BAR idx */
 static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type)
 {
 	return type;
 }

 static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev,
 				struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params,
 				struct snd_sof_platform_stream_params *platform_params)
 {
 	platform_params->cont_update_posn = 1;

 	return 0;
 }

 static snd_pcm_uframes_t mt8195_pcm_pointer(struct snd_sof_dev *sdev,
 					    struct snd_pcm_substream *substream)
 {
 	int ret;
 	snd_pcm_uframes_t pos;
 	struct snd_sof_pcm *spcm;
 	struct sof_ipc_stream_posn posn;
 	struct snd_sof_pcm_stream *stream;
 	struct snd_soc_component *scomp = sdev->component;
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

 	spcm = snd_sof_find_spcm_dai(scomp, rtd);
 	if (!spcm) {
 		dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n",
 				     rtd->dai_link->id);
 		return 0;
 	}

 	stream = &spcm->stream[substream->stream];
 	ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
 	if (ret < 0) {
 		dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
 		return 0;
 	}

 	memcpy(&stream->posn, &posn, sizeof(posn));
 	pos = spcm->stream[substream->stream].posn.host_posn;
 	pos = bytes_to_frames(substream->runtime, pos);

 	return pos;
 }

 static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
 {
 	u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst;
 	u32 dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo, swrest;

 	/* dump debug registers */
 	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
 	dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA);
 	dbg_bus0 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0);
 	dbg_bus1 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS1);
 	dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
 	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
 	dbg_ls1stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS1STAT);
 	faultbus = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTBUS);
 	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
 	swrest = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_RESET_SW);

 	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, bus0 %#x, bus1 %#x, swrest %#x",
 		 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, swrest);
 	dev_info(sdev->dev, "dbg_inst %#x, ls0stat %#x, ls1stat %#x, faultbus %#x, faultinfo %#x",
 		 dbg_inst, dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo);

 	mtk_adsp_dump(sdev, flags);
 }

 static struct snd_soc_dai_driver mt8195_dai[] = {
 {
 	.name = "SOF_DL2",
 	.playback = {
 		.channels_min = 1,
 		.channels_max = 2,
 	},
 },
 {
 	.name = "SOF_DL3",
 	.playback = {
 		.channels_min = 1,
 		.channels_max = 2,
 	},
 },
 {
 	.name = "SOF_UL4",
 	.capture = {
 		.channels_min = 1,
 		.channels_max = 2,
 	},
 },
 {
 	.name = "SOF_UL5",
 	.capture = {
 		.channels_min = 1,
 		.channels_max = 2,
 	},
 },
 };

 /* mt8195 ops */
 static struct snd_sof_dsp_ops sof_mt8195_ops = {
 	/* probe and remove */
 	.probe		= mt8195_dsp_probe,
 	.remove		= mt8195_dsp_remove,
 	.shutdown	= mt8195_dsp_shutdown,

 	/* DSP core boot */
 	.run		= mt8195_run,

 	/* Block IO */
 	.block_read	= sof_block_read,
 	.block_write	= sof_block_write,

 	/* Mailbox IO */
 	.mailbox_read	= sof_mailbox_read,
 	.mailbox_write	= sof_mailbox_write,

 	/* Register IO */
 	.write		= sof_io_write,
 	.read		= sof_io_read,
 	.write64	= sof_io_write64,
 	.read64		= sof_io_read64,

 	/* ipc */
 	.send_msg		= mt8195_send_msg,
 	.get_mailbox_offset	= mt8195_get_mailbox_offset,
 	.get_window_offset	= mt8195_get_window_offset,
 	.ipc_msg_data		= sof_ipc_msg_data,
 	.set_stream_data_offset = sof_set_stream_data_offset,

 	/* misc */
 	.get_bar_index	= mt8195_get_bar_index,

 	/* stream callbacks */
 	.pcm_open	= sof_stream_pcm_open,
 	.pcm_hw_params	= mt8195_pcm_hw_params,
 	.pcm_pointer	= mt8195_pcm_pointer,
 	.pcm_close	= sof_stream_pcm_close,

 	/* firmware loading */
 	.load_firmware	= snd_sof_load_firmware_memcpy,

 	/* Firmware ops */
 	.dsp_arch_ops = &sof_xtensa_arch_ops,

 	/* Debug information */
 	.dbg_dump = mt8195_adsp_dump,

 	/* DAI drivers */
 	.drv = mt8195_dai,
 	.num_drv = ARRAY_SIZE(mt8195_dai),

 	/* PM */
 	.suspend	= mt8195_dsp_suspend,
 	.resume		= mt8195_dsp_resume,

 	/* ALSA HW info flags */
 	.hw_info =	SNDRV_PCM_INFO_MMAP |
 			SNDRV_PCM_INFO_MMAP_VALID |
 			SNDRV_PCM_INFO_INTERLEAVED |
 			SNDRV_PCM_INFO_PAUSE |
 			SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
 };

 static struct snd_sof_of_mach sof_mt8195_machs[] = {
 	{
 		.compatible = "google,tomato",
 		.sof_tplg_filename = "sof-mt8195-mt6359-rt1019-rt5682-dts.tplg"
 	}, {
 		.compatible = "mediatek,mt8195",
 		.sof_tplg_filename = "sof-mt8195.tplg"
 	}, {
 		/* sentinel */
 	}
 };

 static const struct sof_dev_desc sof_of_mt8195_desc = {
 	.of_machines = sof_mt8195_machs,
 	.ipc_supported_mask	= BIT(SOF_IPC),
 	.ipc_default		= SOF_IPC,
 	.default_fw_path = {
 		[SOF_IPC] = "mediatek/sof",
 	},
 	.default_tplg_path = {
 		[SOF_IPC] = "mediatek/sof-tplg",
 	},
 	.default_fw_filename = {
 		[SOF_IPC] = "sof-mt8195.ri",
 	},
 	.nocodec_tplg_filename = "sof-mt8195-nocodec.tplg",
 	.ops = &sof_mt8195_ops,
 	.ipc_timeout = 1000,
 };

 static const struct of_device_id sof_of_mt8195_ids[] = {
 	{ .compatible = "mediatek,mt8195-dsp", .data = &sof_of_mt8195_desc},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids);

 /* DT driver definition */
 static struct platform_driver snd_sof_of_mt8195_driver = {
 	.probe = sof_of_probe,
 	.remove = sof_of_remove,
 	.shutdown = sof_of_shutdown,
 	.driver = {
 	.name = "sof-audio-of-mt8195",
 		.pm = &sof_of_pm,
 		.of_match_table = sof_of_mt8195_ids,
 	},
 };
 module_platform_driver(snd_sof_of_mt8195_driver);

 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
 MODULE_IMPORT_NS(SND_SOC_SOF_MTK_COMMON);
 MODULE_LICENSE("Dual BSD/GPL");
	// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
	//
	// Copyright(c) 2021 Mediatek Inc. All rights reserved.
	//
	// Author: YC Hung <yc.hung@mediatek.com>
	//

	/*
	* Hardware interface for audio DSP on mt8195
	*/

	#include <linux/delay.h>
	#include <linux/firmware.h>
	#include <linux/io.h>
	#include <linux/of_address.h>
	#include <linux/of_irq.h>
	#include <linux/of_platform.h>
	#include <linux/of_reserved_mem.h>
	#include <linux/module.h>

	#include <sound/sof.h>
	#include <sound/sof/xtensa.h>
	#include "../../ops.h"
	#include "../../sof-of-dev.h"
	#include "../../sof-audio.h"
	#include "../adsp_helper.h"
	#include "../mtk-adsp-common.h"
	#include "mt8195.h"
	#include "mt8195-clk.h"

	static int mt8195_get_mailbox_offset(struct snd_sof_dev *sdev)
	{
	return MBOX_OFFSET;
	}

	static int mt8195_get_window_offset(struct snd_sof_dev *sdev, u32 id)
	{
	return MBOX_OFFSET;
	}

	static int mt8195_send_msg(struct snd_sof_dev *sdev,
	struct snd_sof_ipc_msg *msg)
	{
	struct adsp_priv *priv = sdev->pdata->hw_pdata;

	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
	msg->msg_size);

	return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ);
	}

	static void mt8195_get_reply(struct snd_sof_dev *sdev)
	{
	struct snd_sof_ipc_msg *msg = sdev->msg;
	struct sof_ipc_reply reply;
	int ret = 0;

	if (!msg) {
	dev_warn(sdev->dev, "unexpected ipc interrupt\n");
	return;
	}

	/* get reply */
	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
	if (reply.error < 0) {
	memcpy(msg->reply_data, &reply, sizeof(reply));
	ret = reply.error;
	} else {
	/* reply has correct size? */
	if (reply.hdr.size != msg->reply_size) {
	dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
	msg->reply_size, reply.hdr.size);
	ret = -EINVAL;
	}

	/* read the message */
	if (msg->reply_size > 0)
	sof_mailbox_read(sdev, sdev->host_box.offset,
	msg->reply_data, msg->reply_size);
	}

	msg->reply_error = ret;
	}

	static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc)
	{
	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
	unsigned long flags;

	spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
	mt8195_get_reply(priv->sdev);
	snd_sof_ipc_reply(priv->sdev, 0);
	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
	}

	static void mt8195_dsp_handle_request(struct mtk_adsp_ipc *ipc)
	{
	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
	u32 p; /* panic code */
	int ret;

	/* Read the message from the debug box. */
	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4,
	&p, sizeof(p));

	/* Check to see if the message is a panic code 0x0dead*** */
	if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
	snd_sof_dsp_panic(priv->sdev, p, true);
	} else {
	snd_sof_ipc_msgs_rx(priv->sdev);

	/* tell DSP cmd is done */
	ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP);
	if (ret)
	dev_err(priv->dev, "request send ipc failed");
	}
	}

	static struct mtk_adsp_ipc_ops dsp_ops = {
	.handle_reply = mt8195_dsp_handle_reply,
	.handle_request = mt8195_dsp_handle_request,
	};

	static int platform_parse_resource(struct platform_device pdev, void data)
	{
	struct resource *mmio;
	struct resource res;
	struct device_node *mem_region;
	struct device *dev = &pdev->dev;
	struct mtk_adsp_chip_info *adsp = data;
	int ret;

	mem_region = of_parse_phandle(dev->of_node, "memory-region", 0);
	if (!mem_region) {
	dev_err(dev, "no dma memory-region phandle\n");
	return -ENODEV;
	}

	ret = of_address_to_resource(mem_region, 0, &res);
	of_node_put(mem_region);
	if (ret) {
	dev_err(dev, "of_address_to_resource dma failed\n");
	return ret;
	}

	dev_dbg(dev, "DMA %pR\n", &res);

	adsp->pa_shared_dram = (phys_addr_t)res.start;
	adsp->shared_size = resource_size(&res);
	if (adsp->pa_shared_dram & DRAM_REMAP_MASK) {
	dev_err(dev, "adsp shared dma memory(%#x) is not 4K-aligned\n",
	(u32)adsp->pa_shared_dram);
	return -EINVAL;
	}

	ret = of_reserved_mem_device_init(dev);
	if (ret) {
	dev_err(dev, "of_reserved_mem_device_init failed\n");
	return ret;
	}

	mem_region = of_parse_phandle(dev->of_node, "memory-region", 1);
	if (!mem_region) {
	dev_err(dev, "no memory-region sysmem phandle\n");
	return -ENODEV;
	}

	ret = of_address_to_resource(mem_region, 0, &res);
	of_node_put(mem_region);
	if (ret) {
	dev_err(dev, "of_address_to_resource sysmem failed\n");
	return ret;
	}

	adsp->pa_dram = (phys_addr_t)res.start;
	adsp->dramsize = resource_size(&res);
	if (adsp->pa_dram & DRAM_REMAP_MASK) {
	dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n",
	(u32)adsp->pa_dram);
	return -EINVAL;
	}

	if (adsp->dramsize < TOTAL_SIZE_SHARED_DRAM_FROM_TAIL) {
	dev_err(dev, "adsp memory(%#x) is not enough for share\n",
	adsp->dramsize);
	return -EINVAL;
	}

	dev_dbg(dev, "dram pbase=%pa, dramsize=%#x\n",
	&adsp->pa_dram, adsp->dramsize);

	/* Parse CFG base */
	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
	if (!mmio) {
	dev_err(dev, "no ADSP-CFG register resource\n");
	return -ENXIO;
	}
	/* remap for DSP register accessing */
	adsp->va_cfgreg = devm_ioremap_resource(dev, mmio);
	if (IS_ERR(adsp->va_cfgreg))
	return PTR_ERR(adsp->va_cfgreg);

	adsp->pa_cfgreg = (phys_addr_t)mmio->start;
	adsp->cfgregsize = resource_size(mmio);

	dev_dbg(dev, "cfgreg-vbase=%p, cfgregsize=%#x\n",
	adsp->va_cfgreg, adsp->cfgregsize);

	/* Parse SRAM */
	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
	if (!mmio) {
	dev_err(dev, "no SRAM resource\n");
	return -ENXIO;
	}

	adsp->pa_sram = (phys_addr_t)mmio->start;
	adsp->sramsize = resource_size(mmio);
	if (adsp->sramsize < TOTAL_SIZE_SHARED_SRAM_FROM_TAIL) {
	dev_err(dev, "adsp SRAM(%#x) is not enough for share\n",
	adsp->sramsize);
	return -EINVAL;
	}

	dev_dbg(dev, "sram pbase=%pa,%#x\n", &adsp->pa_sram, adsp->sramsize);

	return ret;
	}

	static int adsp_sram_power_on(struct device *dev, bool on)
	{
	void __iomem *va_dspsysreg;
	u32 srampool_con;

	va_dspsysreg = ioremap(ADSP_SRAM_POOL_CON, 0x4);
	if (!va_dspsysreg) {
	dev_err(dev, "failed to ioremap sram pool base %#x\n",
	ADSP_SRAM_POOL_CON);
	return -ENOMEM;
	}

	srampool_con = readl(va_dspsysreg);
	if (on)
	writel(srampool_con & ~DSP_SRAM_POOL_PD_MASK, va_dspsysreg);
	else
	writel(srampool_con \| DSP_SRAM_POOL_PD_MASK, va_dspsysreg);

	iounmap(va_dspsysreg);
	return 0;
	}

	/* Init the basic DSP DRAM address */
	static int adsp_memory_remap_init(struct device dev, struct mtk_adsp_chip_info adsp)
	{
	void __iomem *vaddr_emi_map;
	int offset;

	if (!adsp)
	return -ENXIO;

	vaddr_emi_map = devm_ioremap(dev, DSP_EMI_MAP_ADDR, 0x4);
	if (!vaddr_emi_map) {
	dev_err(dev, "failed to ioremap emi map base %#x\n",
	DSP_EMI_MAP_ADDR);
	return -ENOMEM;
	}

	offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW;
	adsp->dram_offset = offset;
	offset >>= DRAM_REMAP_SHIFT;
	dev_dbg(dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset);
	writel(offset, vaddr_emi_map);
	if (offset != readl(vaddr_emi_map)) {
	dev_err(dev, "write emi map fail : %#x\n", readl(vaddr_emi_map));
	return -EIO;
	}

	return 0;
	}

	static int adsp_shared_base_ioremap(struct platform_device pdev, void data)
	{
	struct device *dev = &pdev->dev;
	struct mtk_adsp_chip_info *adsp = data;

	/* remap shared-dram base to be non-cachable */
	adsp->shared_dram = devm_ioremap(dev, adsp->pa_shared_dram,
	adsp->shared_size);
	if (!adsp->shared_dram) {
	dev_err(dev, "failed to ioremap base %pa size %#x\n",
	adsp->shared_dram, adsp->shared_size);
	return -ENOMEM;
	}

	dev_dbg(dev, "shared-dram vbase=%p, phy addr :%pa, size=%#x\n",
	adsp->shared_dram, &adsp->pa_shared_dram, adsp->shared_size);

	return 0;
	}

	static int mt8195_run(struct snd_sof_dev *sdev)
	{
	u32 adsp_bootup_addr;

	adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW;
	dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr);
	sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);

	return 0;
	}

	static int mt8195_dsp_probe(struct snd_sof_dev *sdev)
	{
	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
	struct adsp_priv *priv;
	int ret;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
	return -ENOMEM;

	sdev->pdata->hw_pdata = priv;
	priv->dev = sdev->dev;
	priv->sdev = sdev;

	priv->adsp = devm_kzalloc(&pdev->dev, sizeof(struct mtk_adsp_chip_info), GFP_KERNEL);
	if (!priv->adsp)
	return -ENOMEM;

	ret = platform_parse_resource(pdev, priv->adsp);
	if (ret)
	return ret;

	ret = mt8195_adsp_init_clock(sdev);
	if (ret) {
	dev_err(sdev->dev, "mt8195_adsp_init_clock failed\n");
	return -EINVAL;
	}

	ret = adsp_clock_on(sdev);
	if (ret) {
	dev_err(sdev->dev, "adsp_clock_on fail!\n");
	return -EINVAL;
	}

	ret = adsp_sram_power_on(sdev->dev, true);
	if (ret) {
	dev_err(sdev->dev, "adsp_sram_power_on fail!\n");
	goto exit_clk_disable;
	}

	ret = adsp_memory_remap_init(&pdev->dev, priv->adsp);
	if (ret) {
	dev_err(sdev->dev, "adsp_memory_remap_init fail!\n");
	goto err_adsp_sram_power_off;
	}

	sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev,
	priv->adsp->pa_sram,
	priv->adsp->sramsize);
	if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
	dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
	&priv->adsp->pa_sram, priv->adsp->sramsize);
	ret = -EINVAL;
	goto err_adsp_sram_power_off;
	}

	priv->adsp->va_sram = sdev->bar[SOF_FW_BLK_TYPE_IRAM];

	sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap(sdev->dev,
	priv->adsp->pa_dram,
	priv->adsp->dramsize);
	if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
	dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
	&priv->adsp->pa_dram, priv->adsp->dramsize);
	ret = -EINVAL;
	goto err_adsp_sram_power_off;
	}
	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];

	ret = adsp_shared_base_ioremap(pdev, priv->adsp);
	if (ret) {
	dev_err(sdev->dev, "adsp_shared_base_ioremap fail!\n");
	goto err_adsp_sram_power_off;
	}

	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;

	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;

	/* set default mailbox offset for FW ready message */
	sdev->dsp_box.offset = mt8195_get_mailbox_offset(sdev);

	priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc",
	PLATFORM_DEVID_NONE,
	pdev, sizeof(*pdev));
	if (IS_ERR(priv->ipc_dev)) {
	ret = PTR_ERR(priv->ipc_dev);
	dev_err(sdev->dev, "failed to register mtk-adsp-ipc device\n");
	goto err_adsp_sram_power_off;
	}

	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
	if (!priv->dsp_ipc) {
	ret = -EPROBE_DEFER;
	dev_err(sdev->dev, "failed to get drvdata\n");
	goto exit_pdev_unregister;
	}

	mtk_adsp_ipc_set_data(priv->dsp_ipc, priv);
	priv->dsp_ipc->ops = &dsp_ops;

	return 0;

	exit_pdev_unregister:
	platform_device_unregister(priv->ipc_dev);
	err_adsp_sram_power_off:
	adsp_sram_power_on(&pdev->dev, false);
	exit_clk_disable:
	adsp_clock_off(sdev);

	return ret;
	}

	static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev)
	{
	return snd_sof_suspend(sdev->dev);
	}

	static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
	{
	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
	struct adsp_priv *priv = sdev->pdata->hw_pdata;

	platform_device_unregister(priv->ipc_dev);
	adsp_sram_power_on(&pdev->dev, false);
	adsp_clock_off(sdev);

	return 0;
	}

	static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
	{
	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
	int ret;
	u32 reset_sw, dbg_pc;

	/* wait dsp enter idle, timeout is 1 second */
	ret = snd_sof_dsp_read_poll_timeout(sdev, DSP_REG_BAR,
	DSP_RESET_SW, reset_sw,
	((reset_sw & ADSP_PWAIT) == ADSP_PWAIT),
	SUSPEND_DSP_IDLE_POLL_INTERVAL_US,
	SUSPEND_DSP_IDLE_TIMEOUT_US);
	if (ret < 0) {
	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
	dev_warn(sdev->dev, "dsp not idle, powering off anyway : swrest %#x, pc %#x, ret %d\n",
	reset_sw, dbg_pc, ret);
	}

	/* stall and reset dsp */
	sof_hifixdsp_shutdown(sdev);

	/* power down adsp sram */
	ret = adsp_sram_power_on(&pdev->dev, false);
	if (ret) {
	dev_err(sdev->dev, "adsp_sram_power_off fail!\n");
	return ret;
	}

	/* turn off adsp clock */
	return adsp_clock_off(sdev);
	}

	static int mt8195_dsp_resume(struct snd_sof_dev *sdev)
	{
	int ret;

	/* turn on adsp clock */
	ret = adsp_clock_on(sdev);
	if (ret) {
	dev_err(sdev->dev, "adsp_clock_on fail!\n");
	return ret;
	}

	/* power on adsp sram */
	ret = adsp_sram_power_on(sdev->dev, true);
	if (ret)
	dev_err(sdev->dev, "adsp_sram_power_on fail!\n");

	return ret;
	}

	/* on mt8195 there is 1 to 1 match between type and BAR idx */
	static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type)
	{
	return type;
	}

	static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params,
	struct snd_sof_platform_stream_params *platform_params)
	{
	platform_params->cont_update_posn = 1;

	return 0;
	}

	static snd_pcm_uframes_t mt8195_pcm_pointer(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream)
	{
	int ret;
	snd_pcm_uframes_t pos;
	struct snd_sof_pcm *spcm;
	struct sof_ipc_stream_posn posn;
	struct snd_sof_pcm_stream *stream;
	struct snd_soc_component *scomp = sdev->component;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

	spcm = snd_sof_find_spcm_dai(scomp, rtd);
	if (!spcm) {
	dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n",
	rtd->dai_link->id);
	return 0;
	}

	stream = &spcm->stream[substream->stream];
	ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
	if (ret < 0) {
	dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
	return 0;
	}

	memcpy(&stream->posn, &posn, sizeof(posn));
	pos = spcm->stream[substream->stream].posn.host_posn;
	pos = bytes_to_frames(substream->runtime, pos);

	return pos;
	}

	static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
	{
	u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst;
	u32 dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo, swrest;

	/* dump debug registers */
	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
	dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA);
	dbg_bus0 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0);
	dbg_bus1 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS1);
	dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
	dbg_ls1stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS1STAT);
	faultbus = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTBUS);
	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
	swrest = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_RESET_SW);

	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, bus0 %#x, bus1 %#x, swrest %#x",
	dbg_pc, dbg_data, dbg_bus0, dbg_bus1, swrest);
	dev_info(sdev->dev, "dbg_inst %#x, ls0stat %#x, ls1stat %#x, faultbus %#x, faultinfo %#x",
	dbg_inst, dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo);

	mtk_adsp_dump(sdev, flags);
	}

	static struct snd_soc_dai_driver mt8195_dai[] = {
	{
	.name = "SOF_DL2",
	.playback = {
	.channels_min = 1,
	.channels_max = 2,
	},
	},
	{
	.name = "SOF_DL3",
	.playback = {
	.channels_min = 1,
	.channels_max = 2,
	},
	},
	{
	.name = "SOF_UL4",
	.capture = {
	.channels_min = 1,
	.channels_max = 2,
	},
	},
	{
	.name = "SOF_UL5",
	.capture = {
	.channels_min = 1,
	.channels_max = 2,
	},
	},
	};

	/* mt8195 ops */
	static struct snd_sof_dsp_ops sof_mt8195_ops = {
	/* probe and remove */
	.probe = mt8195_dsp_probe,
	.remove = mt8195_dsp_remove,
	.shutdown = mt8195_dsp_shutdown,

	/* DSP core boot */
	.run = mt8195_run,

	/* Block IO */
	.block_read = sof_block_read,
	.block_write = sof_block_write,

	/* Mailbox IO */
	.mailbox_read = sof_mailbox_read,
	.mailbox_write = sof_mailbox_write,

	/* Register IO */
	.write = sof_io_write,
	.read = sof_io_read,
	.write64 = sof_io_write64,
	.read64 = sof_io_read64,

	/* ipc */
	.send_msg = mt8195_send_msg,
	.get_mailbox_offset = mt8195_get_mailbox_offset,
	.get_window_offset = mt8195_get_window_offset,
	.ipc_msg_data = sof_ipc_msg_data,
	.set_stream_data_offset = sof_set_stream_data_offset,

	/* misc */
	.get_bar_index = mt8195_get_bar_index,

	/* stream callbacks */
	.pcm_open = sof_stream_pcm_open,
	.pcm_hw_params = mt8195_pcm_hw_params,
	.pcm_pointer = mt8195_pcm_pointer,
	.pcm_close = sof_stream_pcm_close,

	/* firmware loading */
	.load_firmware = snd_sof_load_firmware_memcpy,

	/* Firmware ops */
	.dsp_arch_ops = &sof_xtensa_arch_ops,

	/* Debug information */
	.dbg_dump = mt8195_adsp_dump,

	/* DAI drivers */
	.drv = mt8195_dai,
	.num_drv = ARRAY_SIZE(mt8195_dai),

	/* PM */
	.suspend = mt8195_dsp_suspend,
	.resume = mt8195_dsp_resume,

	/* ALSA HW info flags */
	.hw_info = SNDRV_PCM_INFO_MMAP \|
	SNDRV_PCM_INFO_MMAP_VALID \|
	SNDRV_PCM_INFO_INTERLEAVED \|
	SNDRV_PCM_INFO_PAUSE \|
	SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
	};

	static struct snd_sof_of_mach sof_mt8195_machs[] = {
	{
	.compatible = "google,tomato",
	.sof_tplg_filename = "sof-mt8195-mt6359-rt1019-rt5682-dts.tplg"
	}, {
	.compatible = "mediatek,mt8195",
	.sof_tplg_filename = "sof-mt8195.tplg"
	}, {
	/* sentinel */
	}
	};

	static const struct sof_dev_desc sof_of_mt8195_desc = {
	.of_machines = sof_mt8195_machs,
	.ipc_supported_mask = BIT(SOF_IPC),
	.ipc_default = SOF_IPC,
	.default_fw_path = {
	[SOF_IPC] = "mediatek/sof",
	},
	.default_tplg_path = {
	[SOF_IPC] = "mediatek/sof-tplg",
	},
	.default_fw_filename = {
	[SOF_IPC] = "sof-mt8195.ri",
	},
	.nocodec_tplg_filename = "sof-mt8195-nocodec.tplg",
	.ops = &sof_mt8195_ops,
	.ipc_timeout = 1000,
	};

	static const struct of_device_id sof_of_mt8195_ids[] = {
	{ .compatible = "mediatek,mt8195-dsp", .data = &sof_of_mt8195_desc},
	{ }
	};
	MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids);

	/* DT driver definition */
	static struct platform_driver snd_sof_of_mt8195_driver = {
	.probe = sof_of_probe,
	.remove = sof_of_remove,
	.shutdown = sof_of_shutdown,
	.driver = {
	.name = "sof-audio-of-mt8195",
	.pm = &sof_of_pm,
	.of_match_table = sof_of_mt8195_ids,
	},
	};
	module_platform_driver(snd_sof_of_mt8195_driver);

	MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
	MODULE_IMPORT_NS(SND_SOC_SOF_MTK_COMMON);
	MODULE_LICENSE("Dual BSD/GPL");