Resguardo inicial

linux-7.2.3/sound/soc/sof/mediatek/Kconfig

@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+
+config SND_SOC_SOF_MTK_TOPLEVEL
+	bool "SOF support for MTK audio DSPs"
+	depends on ARM64 || COMPILE_TEST
+	depends on SND_SOC_SOF_OF
+	help
+	  This adds support for Sound Open Firmware for Mediatek platforms.
+	  It is top level for all mediatek platforms.
+	  Say Y if you have such a device.
+	  If unsure select "N".
+
+if SND_SOC_SOF_MTK_TOPLEVEL
+config SND_SOC_SOF_MTK_COMMON
+	tristate
+	select SND_SOC_SOF_OF_DEV
+	select SND_SOC_SOF
+	select SND_SOC_SOF_IPC3
+	select SND_SOC_SOF_XTENSA
+	select SND_SOC_SOF_COMPRESS
+	help
+	  This option is not user-selectable but automagically handled by
+	  'select' statements at a higher level
+
+config SND_SOC_SOF_MT8186
+	tristate "SOF support for MT8186 audio DSP"
+	select SND_SOC_SOF_MTK_COMMON
+	depends on MTK_ADSP_IPC
+	help
+	  This adds support for Sound Open Firmware for Mediatek platforms
+	  using the mt8186 processors.
+	  Say Y if you have such a device.
+	  If unsure select "N".
+
+config SND_SOC_SOF_MT8195
+	tristate "SOF support for MT8195 audio DSP"
+	select SND_SOC_SOF_MTK_COMMON
+	depends on MTK_ADSP_IPC
+	help
+	  This adds support for Sound Open Firmware for Mediatek platforms
+	  using the mt8195 processors.
+	  Say Y if you have such a device.
+	  If unsure select "N".
+
+endif ## SND_SOC_SOF_MTK_TOPLEVEL

linux-7.2.3/sound/soc/sof/mediatek/Makefile

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+obj-$(CONFIG_SND_SOC_SOF_MTK_COMMON) += mtk-adsp-common.o
+obj-$(CONFIG_SND_SOC_SOF_MT8195) += mt8195/
+obj-$(CONFIG_SND_SOC_SOF_MT8186) += mt8186/

linux-7.2.3/sound/soc/sof/mediatek/adsp_helper.h

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Copyright (c) 2021 MediaTek Corporation. All rights reserved.
+ */
+
+#ifndef __MTK_ADSP_HELPER_H__
+#define __MTK_ADSP_HELPER_H__
+
+#include <linux/firmware/mediatek/mtk-adsp-ipc.h>
+
+/*
+ * Global important adsp data structure.
+ */
+struct mtk_adsp_chip_info {
+	phys_addr_t pa_sram;
+	phys_addr_t pa_dram; /* adsp dram physical base */
+	phys_addr_t pa_cfgreg;
+	u32 sramsize;
+	u32 dramsize;
+	u32 cfgregsize;
+	void __iomem *va_sram; /* corresponding to pa_sram */
+	void __iomem *va_dram; /* corresponding to pa_dram */
+	void __iomem *va_cfgreg;
+	phys_addr_t adsp_bootup_addr;
+	int dram_offset; /*dram offset between system and dsp view*/
+
+	phys_addr_t pa_secreg;
+	u32 secregsize;
+	void __iomem *va_secreg;
+
+	phys_addr_t pa_busreg;
+	u32 busregsize;
+	void __iomem *va_busreg;
+};
+
+struct adsp_priv {
+	struct device *dev;
+	struct snd_sof_dev *sdev;
+	struct mtk_adsp_ipc *dsp_ipc;
+	struct platform_device *ipc_dev;
+	struct mtk_adsp_chip_info *adsp;
+	struct clk **clk;
+	u32 (*ap2adsp_addr)(u32 addr, void *data);
+	u32 (*adsp2ap_addr)(u32 addr, void *data);
+
+	void *private_data;
+};
+
+#endif

linux-7.2.3/sound/soc/sof/mediatek/mt8186/Makefile

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+snd-sof-mt8186-y := mt8186.o mt8186-clk.o mt8186-loader.o
+obj-$(CONFIG_SND_SOC_SOF_MT8186) += snd-sof-mt8186.o
+

linux-7.2.3/sound/soc/sof/mediatek/mt8186/mt8186-clk.c

@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// Copyright(c) 2022 Mediatek Corporation. All rights reserved.
+//
+// Author: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
+//         Tinghan Shen <tinghan.shen@mediatek.com>
+//
+// Hardware interface for mt8186 DSP clock
+
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include "../../sof-audio.h"
+#include "../../ops.h"
+#include "../adsp_helper.h"
+#include "mt8186.h"
+#include "mt8186-clk.h"
+
+static const char *adsp_clks[ADSP_CLK_MAX] = {
+	[CLK_TOP_AUDIODSP] = "audiodsp",
+	[CLK_TOP_ADSP_BUS] = "adsp_bus",
+};
+
+int mt8186_adsp_init_clock(struct snd_sof_dev *sdev)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+	struct device *dev = sdev->dev;
+	int i;
+
+	priv->clk = devm_kcalloc(dev, ADSP_CLK_MAX, sizeof(*priv->clk), GFP_KERNEL);
+	if (!priv->clk)
+		return -ENOMEM;
+
+	for (i = 0; i < ADSP_CLK_MAX; i++) {
+		priv->clk[i] = devm_clk_get(dev, adsp_clks[i]);
+
+		if (IS_ERR(priv->clk[i]))
+			return PTR_ERR(priv->clk[i]);
+	}
+
+	return 0;
+}
+
+static int adsp_enable_all_clock(struct snd_sof_dev *sdev)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+	struct device *dev = sdev->dev;
+	int ret;
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_AUDIODSP]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(audiodsp) fail %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_ADSP_BUS]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(adsp_bus) fail %d\n",
+			__func__, ret);
+		clk_disable_unprepare(priv->clk[CLK_TOP_AUDIODSP]);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void adsp_disable_all_clock(struct snd_sof_dev *sdev)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+	clk_disable_unprepare(priv->clk[CLK_TOP_ADSP_BUS]);
+	clk_disable_unprepare(priv->clk[CLK_TOP_AUDIODSP]);
+}
+
+int mt8186_adsp_clock_on(struct snd_sof_dev *sdev)
+{
+	struct device *dev = sdev->dev;
+	int ret;
+
+	ret = adsp_enable_all_clock(sdev);
+	if (ret) {
+		dev_err(dev, "failed to adsp_enable_clock: %d\n", ret);
+		return ret;
+	}
+	snd_sof_dsp_write(sdev, DSP_REG_BAR, ADSP_CK_EN,
+			  UART_EN | DMA_EN | TIMER_EN | COREDBG_EN | CORE_CLK_EN);
+	snd_sof_dsp_write(sdev, DSP_REG_BAR, ADSP_UART_CTRL,
+			  UART_BCLK_CG | UART_RSTN);
+
+	return 0;
+}
+
+void mt8186_adsp_clock_off(struct snd_sof_dev *sdev)
+{
+	snd_sof_dsp_write(sdev, DSP_REG_BAR, ADSP_CK_EN, 0);
+	snd_sof_dsp_write(sdev, DSP_REG_BAR, ADSP_UART_CTRL, 0);
+	adsp_disable_all_clock(sdev);
+}
+

linux-7.2.3/sound/soc/sof/mediatek/mt8186/mt8186-clk.h

@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+/*
+ * Copyright (c) 2022 MediaTek Corporation. All rights reserved.
+ *
+ *  Header file for the mt8186 DSP clock definition
+ */
+
+#ifndef __MT8186_CLK_H
+#define __MT8186_CLK_H
+
+struct snd_sof_dev;
+
+/* DSP clock */
+enum adsp_clk_id {
+	CLK_TOP_AUDIODSP,
+	CLK_TOP_ADSP_BUS,
+	ADSP_CLK_MAX
+};
+
+int mt8186_adsp_init_clock(struct snd_sof_dev *sdev);
+int mt8186_adsp_clock_on(struct snd_sof_dev *sdev);
+void mt8186_adsp_clock_off(struct snd_sof_dev *sdev);
+#endif

linux-7.2.3/sound/soc/sof/mediatek/mt8186/mt8186-loader.c

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// Copyright (c) 2022 Mediatek Corporation. All rights reserved.
+//
+// Author: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
+//         Tinghan Shen <tinghan.shen@mediatek.com>
+//
+// Hardware interface for mt8186 DSP code loader
+
+#include <sound/sof.h>
+#include "mt8186.h"
+#include "../../ops.h"
+
+void mt8186_sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr)
+{
+	/* set RUNSTALL to stop core */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG,
+				RUNSTALL, RUNSTALL);
+
+	/* enable mbox 0 & 1 IRQ */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_MBOX_IRQ_EN,
+				DSP_MBOX0_IRQ_EN | DSP_MBOX1_IRQ_EN,
+				DSP_MBOX0_IRQ_EN | DSP_MBOX1_IRQ_EN);
+
+	/* set core boot address */
+	snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVEC_C0, boot_addr);
+	snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVECSEL, ADSP_ALTVECSEL_C0);
+
+	/* assert core reset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN,
+				SW_RSTN_C0 | SW_DBG_RSTN_C0,
+				SW_RSTN_C0 | SW_DBG_RSTN_C0);
+
+	/* hardware requirement */
+	udelay(1);
+
+	/* release core reset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN,
+				SW_RSTN_C0 | SW_DBG_RSTN_C0,
+				0);
+
+	/* clear RUNSTALL (bit31) to start core */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG,
+				RUNSTALL, 0);
+}
+
+void mt8186_sof_hifixdsp_shutdown(struct snd_sof_dev *sdev)
+{
+	/* set RUNSTALL to stop core */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG,
+				RUNSTALL, RUNSTALL);
+
+	/* assert core reset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN,
+				SW_RSTN_C0 | SW_DBG_RSTN_C0,
+				SW_RSTN_C0 | SW_DBG_RSTN_C0);
+}
+

linux-7.2.3/sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -0,0 +1,570 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// Copyright(c) 2022 Mediatek Inc. All rights reserved.
+//
+// Author: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
+//         Tinghan Shen <tinghan.shen@mediatek.com>
+
+/*
+ * Hardware interface for audio DSP on mt8186
+ */
+
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/io.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 "../adsp_helper.h"
+#include "../mtk-adsp-common.h"
+#include "mt8186.h"
+#include "mt8186-clk.h"
+
+static int mt8186_get_mailbox_offset(struct snd_sof_dev *sdev)
+{
+	return MBOX_OFFSET;
+}
+
+static int mt8186_get_window_offset(struct snd_sof_dev *sdev, u32 id)
+{
+	return MBOX_OFFSET;
+}
+
+static const struct mtk_adsp_ipc_ops dsp_ops = {
+	.handle_reply		= mtk_adsp_handle_reply,
+	.handle_request		= mtk_adsp_handle_request,
+};
+
+static int platform_parse_resource(struct platform_device *pdev, void *data)
+{
+	struct resource *mmio;
+	struct resource res;
+	struct device *dev = &pdev->dev;
+	struct mtk_adsp_chip_info *adsp = data;
+	int ret;
+
+	ret = of_reserved_mem_device_init(dev);
+	if (ret) {
+		dev_err(dev, "of_reserved_mem_device_init failed\n");
+		return ret;
+	}
+
+	ret = of_reserved_mem_region_to_resource(dev->of_node, 1, &res);
+	if (ret) {
+		dev_err(dev, "of_address_to_resource sysmem failed\n");
+		return ret;
+	}
+
+	adsp->pa_dram = (phys_addr_t)res.start;
+	if (adsp->pa_dram & DRAM_REMAP_MASK) {
+		dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n",
+			(u32)adsp->pa_dram);
+		return -EINVAL;
+	}
+
+	adsp->dramsize = resource_size(&res);
+	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 size=%#x\n", &adsp->pa_dram, adsp->dramsize);
+
+	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
+	if (!mmio) {
+		dev_err(dev, "no ADSP-CFG register resource\n");
+		return -ENXIO;
+	}
+
+	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 pbase=%pa size=%#x\n", &adsp->pa_cfgreg, adsp->cfgregsize);
+
+	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);
+
+	dev_dbg(dev, "sram pbase=%pa size=%#x\n", &adsp->pa_sram, adsp->sramsize);
+
+	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sec");
+	if (!mmio) {
+		dev_err(dev, "no SEC register resource\n");
+		return -ENXIO;
+	}
+
+	adsp->va_secreg = devm_ioremap_resource(dev, mmio);
+	if (IS_ERR(adsp->va_secreg))
+		return PTR_ERR(adsp->va_secreg);
+
+	adsp->pa_secreg = (phys_addr_t)mmio->start;
+	adsp->secregsize = resource_size(mmio);
+
+	dev_dbg(dev, "secreg pbase=%pa size=%#x\n", &adsp->pa_secreg, adsp->secregsize);
+
+	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "bus");
+	if (!mmio) {
+		dev_err(dev, "no BUS register resource\n");
+		return -ENXIO;
+	}
+
+	adsp->va_busreg = devm_ioremap_resource(dev, mmio);
+	if (IS_ERR(adsp->va_busreg))
+		return PTR_ERR(adsp->va_busreg);
+
+	adsp->pa_busreg = (phys_addr_t)mmio->start;
+	adsp->busregsize = resource_size(mmio);
+
+	dev_dbg(dev, "busreg pbase=%pa size=%#x\n", &adsp->pa_busreg, adsp->busregsize);
+
+	return 0;
+}
+
+static void adsp_sram_power_on(struct snd_sof_dev *sdev)
+{
+	snd_sof_dsp_update_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON,
+				DSP_SRAM_POOL_PD_MASK, 0);
+}
+
+static void adsp_sram_power_off(struct snd_sof_dev *sdev)
+{
+	snd_sof_dsp_update_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON,
+				DSP_SRAM_POOL_PD_MASK, DSP_SRAM_POOL_PD_MASK);
+}
+
+/*  Init the basic DSP DRAM address */
+static int adsp_memory_remap_init(struct snd_sof_dev *sdev, struct mtk_adsp_chip_info *adsp)
+{
+	u32 offset;
+
+	offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW;
+	adsp->dram_offset = offset;
+	offset >>= DRAM_REMAP_SHIFT;
+
+	dev_dbg(sdev->dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset);
+
+	snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, DSP_C0_EMI_MAP_ADDR, offset);
+	snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, DSP_C0_DMAEMI_MAP_ADDR, offset);
+
+	if (offset != snd_sof_dsp_read(sdev, DSP_BUSREG_BAR, DSP_C0_EMI_MAP_ADDR) ||
+	    offset != snd_sof_dsp_read(sdev, DSP_BUSREG_BAR, DSP_C0_DMAEMI_MAP_ADDR)) {
+		dev_err(sdev->dev, "emi remap fail\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int mt8186_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);
+	mt8186_sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);
+
+	return 0;
+}
+
+static int mt8186_dsp_probe(struct snd_sof_dev *sdev)
+{
+	struct platform_device *pdev = to_platform_device(sdev->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;
+
+	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);
+		return -ENOMEM;
+	}
+
+	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);
+		return -ENOMEM;
+	}
+
+	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];
+
+	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
+	sdev->bar[DSP_SECREG_BAR] = priv->adsp->va_secreg;
+	sdev->bar[DSP_BUSREG_BAR] = priv->adsp->va_busreg;
+
+	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 = mt8186_get_mailbox_offset(sdev);
+
+	ret = adsp_memory_remap_init(sdev, priv->adsp);
+	if (ret) {
+		dev_err(sdev->dev, "adsp_memory_remap_init fail!\n");
+		return ret;
+	}
+
+	/* enable adsp clock before touching registers */
+	ret = mt8186_adsp_init_clock(sdev);
+	if (ret) {
+		dev_err(sdev->dev, "mt8186_adsp_init_clock failed\n");
+		return ret;
+	}
+
+	ret = mt8186_adsp_clock_on(sdev);
+	if (ret) {
+		dev_err(sdev->dev, "mt8186_adsp_clock_on fail!\n");
+		return ret;
+	}
+
+	adsp_sram_power_on(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 create mtk-adsp-ipc device\n");
+		goto err_adsp_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_off:
+	adsp_sram_power_off(sdev);
+	mt8186_adsp_clock_off(sdev);
+
+	return ret;
+}
+
+static void mt8186_dsp_remove(struct snd_sof_dev *sdev)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+	platform_device_unregister(priv->ipc_dev);
+	mt8186_sof_hifixdsp_shutdown(sdev);
+	adsp_sram_power_off(sdev);
+	mt8186_adsp_clock_off(sdev);
+}
+
+static int mt8186_dsp_shutdown(struct snd_sof_dev *sdev)
+{
+	return snd_sof_suspend(sdev->dev);
+}
+
+static int mt8186_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
+{
+	mt8186_sof_hifixdsp_shutdown(sdev);
+	adsp_sram_power_off(sdev);
+	mt8186_adsp_clock_off(sdev);
+
+	return 0;
+}
+
+static int mt8186_dsp_resume(struct snd_sof_dev *sdev)
+{
+	int ret;
+
+	ret = mt8186_adsp_clock_on(sdev);
+	if (ret) {
+		dev_err(sdev->dev, "mt8186_adsp_clock_on fail!\n");
+		return ret;
+	}
+
+	adsp_sram_power_on(sdev);
+
+	return ret;
+}
+
+static void mt8186_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
+{
+	u32 dbg_pc, dbg_data, dbg_inst, dbg_ls0stat, dbg_status, faultinfo;
+
+	/* 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_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
+	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
+	dbg_status = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGSTATUS);
+	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
+
+	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, dbg_inst %#x,",
+		 dbg_pc, dbg_data, dbg_inst);
+	dev_info(sdev->dev, "ls0stat %#x, status %#x, faultinfo %#x",
+		 dbg_ls0stat, dbg_status, faultinfo);
+
+	mtk_adsp_dump(sdev, flags);
+}
+
+static struct snd_soc_dai_driver mt8186_dai[] = {
+{
+	.name = "SOF_DL1",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+	},
+},
+{
+	.name = "SOF_DL2",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+	},
+},
+{
+	.name = "SOF_UL1",
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 2,
+	},
+},
+{
+	.name = "SOF_UL2",
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 2,
+	},
+},
+};
+
+/* mt8186 ops */
+static const struct snd_sof_dsp_ops sof_mt8186_ops = {
+	/* probe and remove */
+	.probe		= mt8186_dsp_probe,
+	.remove		= mt8186_dsp_remove,
+	.shutdown	= mt8186_dsp_shutdown,
+
+	/* DSP core boot */
+	.run		= mt8186_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		= mtk_adsp_send_msg,
+	.get_mailbox_offset	= mt8186_get_mailbox_offset,
+	.get_window_offset	= mt8186_get_window_offset,
+	.ipc_msg_data		= sof_ipc_msg_data,
+	.set_stream_data_offset = sof_set_stream_data_offset,
+
+	/* misc */
+	.get_bar_index	= mtk_adsp_get_bar_index,
+
+	/* stream callbacks */
+	.pcm_open	= sof_stream_pcm_open,
+	.pcm_hw_params	= mtk_adsp_stream_pcm_hw_params,
+	.pcm_pointer	= mtk_adsp_stream_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,
+
+	/* DAI drivers */
+	.drv		= mt8186_dai,
+	.num_drv	= ARRAY_SIZE(mt8186_dai),
+
+	/* Debug information */
+	.dbg_dump = mt8186_adsp_dump,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
+
+	/* PM */
+	.suspend	= mt8186_dsp_suspend,
+	.resume		= mt8186_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_mt8186_machs[] = {
+	{
+		.compatible = "mediatek,mt8186",
+		.sof_tplg_filename = "sof-mt8186.tplg",
+	},
+	{}
+};
+
+static const struct sof_dev_desc sof_of_mt8186_desc = {
+	.of_machines = sof_mt8186_machs,
+	.ipc_supported_mask	= BIT(SOF_IPC_TYPE_3),
+	.ipc_default		= SOF_IPC_TYPE_3,
+	.default_fw_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof",
+	},
+	.default_tplg_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof-tplg",
+	},
+	.default_fw_filename = {
+		[SOF_IPC_TYPE_3] = "sof-mt8186.ri",
+	},
+	.nocodec_tplg_filename = "sof-mt8186-nocodec.tplg",
+	.ops = &sof_mt8186_ops,
+};
+
+/*
+ * DL2, DL3, UL4, UL5 are registered as SOF FE, so creating the corresponding
+ * SOF BE to complete the pipeline.
+ */
+static struct snd_soc_dai_driver mt8188_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,
+	},
+},
+};
+
+/* mt8188 ops */
+static struct snd_sof_dsp_ops sof_mt8188_ops;
+
+static int sof_mt8188_ops_init(struct snd_sof_dev *sdev)
+{
+	/* common defaults */
+	memcpy(&sof_mt8188_ops, &sof_mt8186_ops, sizeof(sof_mt8188_ops));
+
+	sof_mt8188_ops.drv = mt8188_dai;
+	sof_mt8188_ops.num_drv = ARRAY_SIZE(mt8188_dai);
+
+	return 0;
+}
+
+static struct snd_sof_of_mach sof_mt8188_machs[] = {
+	{
+		.compatible = "mediatek,mt8188",
+		.sof_tplg_filename = "sof-mt8188.tplg",
+	},
+	{}
+};
+
+static const struct sof_dev_desc sof_of_mt8188_desc = {
+	.of_machines = sof_mt8188_machs,
+	.ipc_supported_mask	= BIT(SOF_IPC_TYPE_3),
+	.ipc_default		= SOF_IPC_TYPE_3,
+	.default_fw_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof",
+	},
+	.default_tplg_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof-tplg",
+	},
+	.default_fw_filename = {
+		[SOF_IPC_TYPE_3] = "sof-mt8188.ri",
+	},
+	.nocodec_tplg_filename = "sof-mt8188-nocodec.tplg",
+	.ops = &sof_mt8188_ops,
+	.ops_init = sof_mt8188_ops_init,
+};
+
+static const struct of_device_id sof_of_mt8186_ids[] = {
+	{ .compatible = "mediatek,mt8186-dsp", .data = &sof_of_mt8186_desc},
+	{ .compatible = "mediatek,mt8188-dsp", .data = &sof_of_mt8188_desc},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sof_of_mt8186_ids);
+
+/* DT driver definition */
+static struct platform_driver snd_sof_of_mt8186_driver = {
+	.probe = sof_of_probe,
+	.remove = sof_of_remove,
+	.shutdown = sof_of_shutdown,
+	.driver = {
+	.name = "sof-audio-of-mt8186",
+		.pm = pm_ptr(&sof_of_pm),
+		.of_match_table = sof_of_mt8186_ids,
+	},
+};
+module_platform_driver(snd_sof_of_mt8186_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF support for MT8186/MT8188 platforms");
+MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
+MODULE_IMPORT_NS("SND_SOC_SOF_MTK_COMMON");

linux-7.2.3/sound/soc/sof/mediatek/mt8186/mt8186.h

@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+/*
+ * Copyright (c) 2022 MediaTek Corporation. All rights reserved.
+ *
+ *  Header file for the mt8186 DSP register definition
+ */
+
+#ifndef __MT8186_H
+#define __MT8186_H
+
+struct mtk_adsp_chip_info;
+struct snd_sof_dev;
+
+#define DSP_REG_BAR			4
+#define DSP_SECREG_BAR			5
+#define DSP_BUSREG_BAR			6
+
+/*****************************************************************************
+ *                  R E G I S T E R       TABLE
+ *****************************************************************************/
+/* dsp cfg */
+#define ADSP_CFGREG_SW_RSTN		0x0000
+#define SW_DBG_RSTN_C0			BIT(0)
+#define SW_RSTN_C0			BIT(4)
+#define ADSP_HIFI_IO_CONFIG		0x000C
+#define TRACEMEMREADY			BIT(15)
+#define RUNSTALL			BIT(31)
+#define ADSP_IRQ_MASK			0x0030
+#define ADSP_DVFSRC_REQ			0x0040
+#define ADSP_DDREN_REQ_0		0x0044
+#define ADSP_SEMAPHORE			0x0064
+#define ADSP_WDT_CON_C0			0x007C
+#define ADSP_MBOX_IRQ_EN		0x009C
+#define DSP_MBOX0_IRQ_EN		BIT(0)
+#define DSP_MBOX1_IRQ_EN		BIT(1)
+#define DSP_MBOX2_IRQ_EN		BIT(2)
+#define DSP_MBOX3_IRQ_EN		BIT(3)
+#define DSP_MBOX4_IRQ_EN		BIT(4)
+#define DSP_PDEBUGPC			0x013C
+#define DSP_PDEBUGDATA			0x0140
+#define DSP_PDEBUGINST			0x0144
+#define DSP_PDEBUGLS0STAT		0x0148
+#define DSP_PDEBUGSTATUS		0x014C
+#define DSP_PFAULTINFO			0x0150
+#define ADSP_CK_EN			0x1000
+#define CORE_CLK_EN			BIT(0)
+#define COREDBG_EN			BIT(1)
+#define TIMER_EN			BIT(3)
+#define DMA_EN				BIT(4)
+#define UART_EN				BIT(5)
+#define ADSP_UART_CTRL			0x1010
+#define UART_BCLK_CG			BIT(0)
+#define UART_RSTN			BIT(3)
+
+/* dsp sec */
+#define ADSP_PRID			0x0
+#define ADSP_ALTVEC_C0			0x04
+#define ADSP_ALTVECSEL			0x0C
+#define MT8188_ADSP_ALTVECSEL_C0	BIT(0)
+#define MT8186_ADSP_ALTVECSEL_C0	BIT(1)
+
+/*
+ * On MT8188, BIT(1) is not evaluated and on MT8186 BIT(0) is not evaluated:
+ * We can simplify the driver by safely setting both bits regardless of the SoC.
+ */
+#define ADSP_ALTVECSEL_C0		(MT8188_ADSP_ALTVECSEL_C0 | \
+					 MT8186_ADSP_ALTVECSEL_C0)
+
+/* dsp bus */
+#define ADSP_SRAM_POOL_CON		0x190
+#define DSP_SRAM_POOL_PD_MASK		0xF00F /* [0:3] and [12:15] */
+#define DSP_C0_EMI_MAP_ADDR		0xA00  /* ADSP Core0 To EMI Address Remap */
+#define DSP_C0_DMAEMI_MAP_ADDR		0xA08  /* DMA0 To EMI Address Remap */
+
+/* DSP memories */
+#define MBOX_OFFSET			0x500000 /* DRAM */
+#define MBOX_SIZE			0x1000   /* consistent with which in memory.h of sof fw */
+#define DSP_DRAM_SIZE			0xA00000 /* 16M */
+
+/*remap dram between AP and DSP view, 4KB aligned*/
+#define SRAM_PHYS_BASE_FROM_DSP_VIEW	0x4E100000 /* MT8186 DSP view */
+#define DRAM_PHYS_BASE_FROM_DSP_VIEW	0x60000000 /* MT8186 DSP view */
+#define DRAM_REMAP_SHIFT		12
+#define DRAM_REMAP_MASK			0xFFF
+
+#define SIZE_SHARED_DRAM_DL			0x40000 /*Shared buffer for Downlink*/
+#define SIZE_SHARED_DRAM_UL			0x40000 /*Shared buffer for Uplink*/
+#define TOTAL_SIZE_SHARED_DRAM_FROM_TAIL	(SIZE_SHARED_DRAM_DL + SIZE_SHARED_DRAM_UL)
+
+void mt8186_sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr);
+void mt8186_sof_hifixdsp_shutdown(struct snd_sof_dev *sdev);
+#endif

linux-7.2.3/sound/soc/sof/mediatek/mt8195/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+snd-sof-mt8195-y := mt8195.o mt8195-clk.o mt8195-loader.o
+obj-$(CONFIG_SND_SOC_SOF_MT8195) += snd-sof-mt8195.o

linux-7.2.3/sound/soc/sof/mediatek/mt8195/mt8195-clk.c

@@ -0,0 +1,165 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// Copyright(c) 2021 Mediatek Corporation. All rights reserved.
+//
+// Author: YC Hung <yc.hung@mediatek.com>
+//
+// Hardware interface for mt8195 DSP clock
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/string_choices.h>
+#include "mt8195.h"
+#include "mt8195-clk.h"
+#include "../adsp_helper.h"
+#include "../../sof-audio.h"
+
+static const char *adsp_clks[ADSP_CLK_MAX] = {
+	[CLK_TOP_ADSP] = "adsp_sel",
+	[CLK_TOP_CLK26M] = "clk26m_ck",
+	[CLK_TOP_AUDIO_LOCAL_BUS] = "audio_local_bus",
+	[CLK_TOP_MAINPLL_D7_D2] = "mainpll_d7_d2",
+	[CLK_SCP_ADSP_AUDIODSP] = "scp_adsp_audiodsp",
+	[CLK_TOP_AUDIO_H] = "audio_h",
+};
+
+int mt8195_adsp_init_clock(struct snd_sof_dev *sdev)
+{
+	struct device *dev = sdev->dev;
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+	int i;
+
+	priv->clk = devm_kcalloc(dev, ADSP_CLK_MAX, sizeof(*priv->clk), GFP_KERNEL);
+
+	if (!priv->clk)
+		return -ENOMEM;
+
+	for (i = 0; i < ADSP_CLK_MAX; i++) {
+		priv->clk[i] = devm_clk_get(dev, adsp_clks[i]);
+		if (IS_ERR(priv->clk[i]))
+			return PTR_ERR(priv->clk[i]);
+	}
+
+	return 0;
+}
+
+static int adsp_enable_all_clock(struct snd_sof_dev *sdev)
+{
+	struct device *dev = sdev->dev;
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+	int ret;
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_MAINPLL_D7_D2]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(mainpll_d7_d2) fail %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_ADSP]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(adsp_sel) fail %d\n",
+			__func__, ret);
+		goto disable_mainpll_d7_d2_clk;
+	}
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_AUDIO_LOCAL_BUS]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(audio_local_bus) fail %d\n",
+			__func__, ret);
+		goto disable_dsp_sel_clk;
+	}
+
+	ret = clk_prepare_enable(priv->clk[CLK_SCP_ADSP_AUDIODSP]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(scp_adsp_audiodsp) fail %d\n",
+			__func__, ret);
+		goto disable_audio_local_bus_clk;
+	}
+
+	ret = clk_prepare_enable(priv->clk[CLK_TOP_AUDIO_H]);
+	if (ret) {
+		dev_err(dev, "%s clk_prepare_enable(audio_h) fail %d\n",
+			__func__, ret);
+		goto disable_scp_adsp_audiodsp_clk;
+	}
+
+	return 0;
+
+disable_scp_adsp_audiodsp_clk:
+	clk_disable_unprepare(priv->clk[CLK_SCP_ADSP_AUDIODSP]);
+disable_audio_local_bus_clk:
+	clk_disable_unprepare(priv->clk[CLK_TOP_AUDIO_LOCAL_BUS]);
+disable_dsp_sel_clk:
+	clk_disable_unprepare(priv->clk[CLK_TOP_ADSP]);
+disable_mainpll_d7_d2_clk:
+	clk_disable_unprepare(priv->clk[CLK_TOP_MAINPLL_D7_D2]);
+
+	return ret;
+}
+
+static void adsp_disable_all_clock(struct snd_sof_dev *sdev)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+	clk_disable_unprepare(priv->clk[CLK_TOP_AUDIO_H]);
+	clk_disable_unprepare(priv->clk[CLK_SCP_ADSP_AUDIODSP]);
+	clk_disable_unprepare(priv->clk[CLK_TOP_AUDIO_LOCAL_BUS]);
+	clk_disable_unprepare(priv->clk[CLK_TOP_ADSP]);
+	clk_disable_unprepare(priv->clk[CLK_TOP_MAINPLL_D7_D2]);
+}
+
+static int adsp_default_clk_init(struct snd_sof_dev *sdev, bool enable)
+{
+	struct device *dev = sdev->dev;
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+	int ret;
+
+	dev_dbg(dev, "%s: %s\n", __func__, str_on_off(enable));
+
+	if (enable) {
+		ret = clk_set_parent(priv->clk[CLK_TOP_ADSP],
+				     priv->clk[CLK_TOP_CLK26M]);
+		if (ret) {
+			dev_err(dev, "failed to set dsp_sel to clk26m: %d\n", ret);
+			return ret;
+		}
+
+		ret = clk_set_parent(priv->clk[CLK_TOP_AUDIO_LOCAL_BUS],
+				     priv->clk[CLK_TOP_MAINPLL_D7_D2]);
+		if (ret) {
+			dev_err(dev, "set audio_local_bus failed %d\n", ret);
+			return ret;
+		}
+
+		ret = clk_set_parent(priv->clk[CLK_TOP_AUDIO_H],
+				     priv->clk[CLK_TOP_CLK26M]);
+		if (ret) {
+			dev_err(dev, "set audio_h_sel failed %d\n", ret);
+			return ret;
+		}
+
+		ret = adsp_enable_all_clock(sdev);
+		if (ret) {
+			dev_err(dev, "failed to adsp_enable_clock: %d\n", ret);
+			return ret;
+		}
+	} else {
+		adsp_disable_all_clock(sdev);
+	}
+
+	return 0;
+}
+
+int adsp_clock_on(struct snd_sof_dev *sdev)
+{
+	/* Open ADSP clock */
+	return adsp_default_clk_init(sdev, 1);
+}
+
+int adsp_clock_off(struct snd_sof_dev *sdev)
+{
+	/* Close ADSP clock */
+	return adsp_default_clk_init(sdev, 0);
+}
+

linux-7.2.3/sound/soc/sof/mediatek/mt8195/mt8195-clk.h

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Copyright (c) 2021 MediaTek Corporation. All rights reserved.
+ *
+ *  Header file for the mt8195 DSP clock  definition
+ */
+
+#ifndef __MT8195_CLK_H
+#define __MT8195_CLK_H
+
+struct snd_sof_dev;
+
+/*DSP clock*/
+enum adsp_clk_id {
+	CLK_TOP_ADSP,
+	CLK_TOP_CLK26M,
+	CLK_TOP_AUDIO_LOCAL_BUS,
+	CLK_TOP_MAINPLL_D7_D2,
+	CLK_SCP_ADSP_AUDIODSP,
+	CLK_TOP_AUDIO_H,
+	ADSP_CLK_MAX
+};
+
+int mt8195_adsp_init_clock(struct snd_sof_dev *sdev);
+int adsp_clock_on(struct snd_sof_dev *sdev);
+int adsp_clock_off(struct snd_sof_dev *sdev);
+#endif

linux-7.2.3/sound/soc/sof/mediatek/mt8195/mt8195-loader.c

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// Copyright (c) 2021 Mediatek Corporation. All rights reserved.
+//
+// Author: YC Hung <yc.hung@mediatek.com>
+//
+// Hardware interface for mt8195 DSP code loader
+
+#include <sound/sof.h>
+#include "mt8195.h"
+#include "../../ops.h"
+
+void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr)
+{
+	/* ADSP bootup base */
+	snd_sof_dsp_write(sdev, DSP_REG_BAR, DSP_ALTRESETVEC, boot_addr);
+
+	/* pull high RunStall (set bit3 to 1) */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_RUNSTALL, ADSP_RUNSTALL);
+
+	/* pull high StatVectorSel to use AltResetVec (set bit4 to 1) */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				STATVECTOR_SEL, STATVECTOR_SEL);
+
+	/* toggle  DReset & BReset */
+	/* pull high DReset & BReset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_BRESET_SW | ADSP_DRESET_SW,
+				ADSP_BRESET_SW | ADSP_DRESET_SW);
+
+	/* delay 10 DSP cycles at 26M about 1us by IP vendor's suggestion */
+	udelay(1);
+
+	/* pull low DReset & BReset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_BRESET_SW | ADSP_DRESET_SW,
+				0);
+
+	/* Enable PDebug */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0,
+				PDEBUG_ENABLE,
+				PDEBUG_ENABLE);
+
+	/* release RunStall (set bit3 to 0) */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_RUNSTALL, 0);
+}
+
+void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev)
+{
+	/* RUN_STALL pull high again to reset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_RUNSTALL, ADSP_RUNSTALL);
+
+	/* pull high DReset & BReset */
+	snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW,
+				ADSP_BRESET_SW | ADSP_DRESET_SW,
+				ADSP_BRESET_SW | ADSP_DRESET_SW);
+}
+

linux-7.2.3/sound/soc/sof/mediatek/mt8195/mt8195.c

@@ -0,0 +1,526 @@
+// 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_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 "../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 const struct mtk_adsp_ipc_ops dsp_ops = {
+	.handle_reply		= mtk_adsp_handle_reply,
+	.handle_request		= mtk_adsp_handle_request,
+};
+
+static int platform_parse_resource(struct platform_device *pdev, void *data)
+{
+	struct resource *mmio;
+	struct resource res;
+	struct device *dev = &pdev->dev;
+	struct mtk_adsp_chip_info *adsp = data;
+	int ret;
+
+	ret = of_reserved_mem_device_init(dev);
+	if (ret) {
+		dev_err(dev, "of_reserved_mem_device_init failed\n");
+		return ret;
+	}
+
+	ret = of_reserved_mem_region_to_resource(dev->of_node, 1, &res);
+	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);
+
+	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 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 = to_platform_device(sdev->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];
+
+	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 void mt8195_dsp_remove(struct snd_sof_dev *sdev)
+{
+	struct platform_device *pdev = to_platform_device(sdev->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);
+}
+
+static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
+{
+	struct platform_device *pdev = to_platform_device(sdev->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;
+}
+
+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 const 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		= mtk_adsp_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	= mtk_adsp_get_bar_index,
+
+	/* stream callbacks */
+	.pcm_open	= sof_stream_pcm_open,
+	.pcm_hw_params	= mtk_adsp_stream_pcm_hw_params,
+	.pcm_pointer	= mtk_adsp_stream_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,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
+
+	/* 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.tplg"
+	}, {
+		.compatible = "google,dojo",
+		.sof_tplg_filename = "sof-mt8195-mt6359-max98390-rt5682.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_TYPE_3),
+	.ipc_default		= SOF_IPC_TYPE_3,
+	.default_fw_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof",
+	},
+	.default_tplg_path = {
+		[SOF_IPC_TYPE_3] = "mediatek/sof-tplg",
+	},
+	.default_fw_filename = {
+		[SOF_IPC_TYPE_3] = "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 = pm_ptr(&sof_of_pm),
+		.of_match_table = sof_of_mt8195_ids,
+	},
+};
+module_platform_driver(snd_sof_of_mt8195_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF support for MTL 8195 platforms");
+MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
+MODULE_IMPORT_NS("SND_SOC_SOF_MTK_COMMON");

linux-7.2.3/sound/soc/sof/mediatek/mt8195/mt8195.h

@@ -0,0 +1,161 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Copyright (c) 2021 MediaTek Corporation. All rights reserved.
+ *
+ *  Header file for the mt8195 DSP register definition
+ */
+
+#ifndef __MT8195_H
+#define __MT8195_H
+
+struct mtk_adsp_chip_info;
+struct snd_sof_dev;
+
+#define DSP_REG_BASE			0x10803000
+#define SCP_CFGREG_BASE			0x10724000
+#define DSP_SYSAO_BASE			0x1080C000
+
+/*****************************************************************************
+ *                  R E G I S T E R       TABLE
+ *****************************************************************************/
+#define DSP_JTAGMUX			0x0000
+#define DSP_ALTRESETVEC			0x0004
+#define DSP_PDEBUGDATA			0x0008
+#define DSP_PDEBUGBUS0			0x000c
+#define PDEBUG_ENABLE			BIT(0)
+#define DSP_PDEBUGBUS1			0x0010
+#define DSP_PDEBUGINST			0x0014
+#define DSP_PDEBUGLS0STAT		0x0018
+#define DSP_PDEBUGLS1STAT		0x001c
+#define DSP_PDEBUGPC			0x0020
+#define DSP_RESET_SW			0x0024 /*reset sw*/
+#define ADSP_BRESET_SW			BIT(0)
+#define ADSP_DRESET_SW			BIT(1)
+#define ADSP_RUNSTALL			BIT(3)
+#define STATVECTOR_SEL			BIT(4)
+#define ADSP_PWAIT			BIT(16)
+#define DSP_PFAULTBUS			0x0028
+#define DSP_PFAULTINFO			0x002c
+#define DSP_GPR00			0x0030
+#define DSP_GPR01			0x0034
+#define DSP_GPR02			0x0038
+#define DSP_GPR03			0x003c
+#define DSP_GPR04			0x0040
+#define DSP_GPR05			0x0044
+#define DSP_GPR06			0x0048
+#define DSP_GPR07			0x004c
+#define DSP_GPR08			0x0050
+#define DSP_GPR09			0x0054
+#define DSP_GPR0A			0x0058
+#define DSP_GPR0B			0x005c
+#define DSP_GPR0C			0x0060
+#define DSP_GPR0D			0x0064
+#define DSP_GPR0E			0x0068
+#define DSP_GPR0F			0x006c
+#define DSP_GPR10			0x0070
+#define DSP_GPR11			0x0074
+#define DSP_GPR12			0x0078
+#define DSP_GPR13			0x007c
+#define DSP_GPR14			0x0080
+#define DSP_GPR15			0x0084
+#define DSP_GPR16			0x0088
+#define DSP_GPR17			0x008c
+#define DSP_GPR18			0x0090
+#define DSP_GPR19			0x0094
+#define DSP_GPR1A			0x0098
+#define DSP_GPR1B			0x009c
+#define DSP_GPR1C			0x00a0
+#define DSP_GPR1D			0x00a4
+#define DSP_GPR1E			0x00a8
+#define DSP_GPR1F			0x00ac
+#define DSP_TCM_OFFSET			0x00b0    /* not used */
+#define DSP_DDR_OFFSET			0x00b4    /* not used */
+#define DSP_INTFDSP			0x00d0
+#define DSP_INTFDSP_CLR			0x00d4
+#define DSP_SRAM_PD_SW1			0x00d8
+#define DSP_SRAM_PD_SW2			0x00dc
+#define DSP_OCD				0x00e0
+#define DSP_RG_DSP_IRQ_POL		0x00f0    /* not used */
+#define DSP_DSP_IRQ_EN			0x00f4    /* not used */
+#define DSP_DSP_IRQ_LEVEL		0x00f8    /* not used */
+#define DSP_DSP_IRQ_STATUS		0x00fc    /* not used */
+#define DSP_RG_INT2CIRQ			0x0114
+#define DSP_RG_INT_POL_CTL0		0x0120
+#define DSP_RG_INT_EN_CTL0		0x0130
+#define DSP_RG_INT_LV_CTL0		0x0140
+#define DSP_RG_INT_STATUS0		0x0150
+#define DSP_PDEBUGSTATUS0		0x0200
+#define DSP_PDEBUGSTATUS1		0x0204
+#define DSP_PDEBUGSTATUS2		0x0208
+#define DSP_PDEBUGSTATUS3		0x020c
+#define DSP_PDEBUGSTATUS4		0x0210
+#define DSP_PDEBUGSTATUS5		0x0214
+#define DSP_PDEBUGSTATUS6		0x0218
+#define DSP_PDEBUGSTATUS7		0x021c
+#define DSP_DSP2PSRAM_PRIORITY		0x0220  /* not used */
+#define DSP_AUDIO_DSP2SPM_INT		0x0224
+#define DSP_AUDIO_DSP2SPM_INT_ACK	0x0228
+#define DSP_AUDIO_DSP_DEBUG_SEL		0x022C
+#define DSP_AUDIO_DSP_EMI_BASE_ADDR	0x02E0  /* not used */
+#define DSP_AUDIO_DSP_SHARED_IRAM	0x02E4
+#define DSP_AUDIO_DSP_CKCTRL_P2P_CK_CON	0x02F0
+#define DSP_RG_SEMAPHORE00		0x0300
+#define DSP_RG_SEMAPHORE01		0x0304
+#define DSP_RG_SEMAPHORE02		0x0308
+#define DSP_RG_SEMAPHORE03		0x030C
+#define DSP_RG_SEMAPHORE04		0x0310
+#define DSP_RG_SEMAPHORE05		0x0314
+#define DSP_RG_SEMAPHORE06		0x0318
+#define DSP_RG_SEMAPHORE07		0x031C
+#define DSP_RESERVED_0			0x03F0
+#define DSP_RESERVED_1			0x03F4
+
+/* dsp wdt */
+#define DSP_WDT_MODE			0x0400
+
+/* dsp mbox */
+#define DSP_MBOX_IN_CMD			0x00
+#define DSP_MBOX_IN_CMD_CLR		0x04
+#define DSP_MBOX_OUT_CMD		0x1c
+#define DSP_MBOX_OUT_CMD_CLR		0x20
+#define DSP_MBOX_IN_MSG0		0x08
+#define DSP_MBOX_IN_MSG1		0x0C
+#define DSP_MBOX_OUT_MSG0		0x24
+#define DSP_MBOX_OUT_MSG1		0x28
+
+/*dsp sys ao*/
+#define ADSP_SRAM_POOL_CON		(DSP_SYSAO_BASE + 0x30)
+#define DSP_SRAM_POOL_PD_MASK		0xf
+#define DSP_EMI_MAP_ADDR		(DSP_SYSAO_BASE + 0x81c)
+
+/* DSP memories */
+#define MBOX_OFFSET	0x800000 /* DRAM */
+#define MBOX_SIZE	0x1000 /* consistent with which in memory.h of sof fw */
+#define DSP_DRAM_SIZE	0x1000000 /* 16M */
+
+#define DSP_REG_BAR	4
+#define DSP_MBOX0_BAR	5
+#define DSP_MBOX1_BAR	6
+#define DSP_MBOX2_BAR	7
+
+#define SIZE_SHARED_DRAM_DL 0x40000 /*Shared buffer for Downlink*/
+#define SIZE_SHARED_DRAM_UL 0x40000 /*Shared buffer for Uplink*/
+
+#define TOTAL_SIZE_SHARED_DRAM_FROM_TAIL  \
+	(SIZE_SHARED_DRAM_DL + SIZE_SHARED_DRAM_UL)
+
+#define SRAM_PHYS_BASE_FROM_DSP_VIEW	0x40000000 /* MT8195 DSP view */
+#define DRAM_PHYS_BASE_FROM_DSP_VIEW	0x60000000 /* MT8195 DSP view */
+
+/*remap dram between AP and DSP view, 4KB aligned*/
+#define DRAM_REMAP_SHIFT	12
+#define DRAM_REMAP_MASK		(BIT(DRAM_REMAP_SHIFT) - 1)
+
+/* suspend dsp idle check interval and timeout */
+#define SUSPEND_DSP_IDLE_TIMEOUT_US		1000000	/* timeout to wait dsp idle, 1 sec */
+#define SUSPEND_DSP_IDLE_POLL_INTERVAL_US	500	/* 0.5 msec */
+
+void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr);
+void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev);
+#endif

linux-7.2.3/sound/soc/sof/mediatek/mtk-adsp-common.c

@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// This file is provided under a dual BSD/GPLv2 license. When using or
+// redistributing this file, you may do so under either license.
+//
+// Copyright(c) 2022 MediaTek Inc. All rights reserved.
+//
+// Author: YC Hung <yc.hung@mediatek.com>
+
+/*
+ * Common helpers for the audio DSP on MediaTek platforms
+ */
+
+#include <linux/module.h>
+#include <sound/asound.h>
+#include <sound/sof/xtensa.h>
+#include "../ops.h"
+#include "../sof-audio.h"
+#include "adsp_helper.h"
+#include "mtk-adsp-common.h"
+
+/**
+ * mtk_adsp_get_registers() - This function is called in case of DSP oops
+ * in order to gather information about the registers, filename and
+ * linenumber and stack.
+ * @sdev: SOF device
+ * @xoops: Stores information about registers.
+ * @panic_info: Stores information about filename and line number.
+ * @stack: Stores the stack dump.
+ * @stack_words: Size of the stack dump.
+ */
+static void mtk_adsp_get_registers(struct snd_sof_dev *sdev,
+				   struct sof_ipc_dsp_oops_xtensa *xoops,
+				   struct sof_ipc_panic_info *panic_info,
+				   u32 *stack, size_t stack_words)
+{
+	u32 offset = sdev->dsp_oops_offset;
+
+	/* first read registers */
+	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
+
+	/* then get panic info */
+	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
+		dev_err(sdev->dev, "invalid header size 0x%x\n",
+			xoops->arch_hdr.totalsize);
+		return;
+	}
+	offset += xoops->arch_hdr.totalsize;
+	sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
+
+	/* then get the stack */
+	offset += sizeof(*panic_info);
+	sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
+}
+
+/**
+ * mtk_adsp_dump() - This function is called when a panic message is
+ * received from the firmware.
+ * @sdev: SOF device
+ * @flags: parameter not used but required by ops prototype
+ */
+void mtk_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
+{
+	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
+	struct sof_ipc_dsp_oops_xtensa xoops;
+	struct sof_ipc_panic_info panic_info = {};
+	u32 stack[MTK_ADSP_STACK_DUMP_SIZE];
+	u32 status;
+
+	/* Get information about the panic status from the debug box area.
+	 * Compute the trace point based on the status.
+	 */
+	sof_mailbox_read(sdev, sdev->debug_box.offset + 0x4, &status, 4);
+
+	/* Get information about the registers, the filename and line
+	 * number and the stack.
+	 */
+	mtk_adsp_get_registers(sdev, &xoops, &panic_info, stack,
+			       MTK_ADSP_STACK_DUMP_SIZE);
+
+	/* Print the information to the console */
+	sof_print_oops_and_stack(sdev, level, status, status, &xoops, &panic_info,
+				 stack, MTK_ADSP_STACK_DUMP_SIZE);
+}
+EXPORT_SYMBOL(mtk_adsp_dump);
+
+/**
+ * mtk_adsp_send_msg - Send message to Audio DSP
+ * @sdev: SOF device
+ * @msg: SOF IPC Message to send
+ */
+int mtk_adsp_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);
+}
+EXPORT_SYMBOL(mtk_adsp_send_msg);
+
+/**
+ * mtk_adsp_handle_reply - Handle reply from the Audio DSP through Mailbox
+ * @ipc: ADSP IPC handle
+ */
+void mtk_adsp_handle_reply(struct mtk_adsp_ipc *ipc)
+{
+	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
+
+	guard(spinlock_irqsave)(&priv->sdev->ipc_lock);
+	snd_sof_ipc_process_reply(priv->sdev, 0);
+}
+EXPORT_SYMBOL(mtk_adsp_handle_reply);
+
+/**
+ * mtk_adsp_handle_request - Handle request from the Audio DSP through Mailbox
+ * @ipc: ADSP IPC handle
+ */
+void mtk_adsp_handle_request(struct mtk_adsp_ipc *ipc)
+{
+	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
+	u32 panic_code;
+	int ret;
+
+	/* Read the message from the debug box. */
+	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4,
+			 &panic_code, sizeof(panic_code));
+
+	/* Check to see if the message is a panic code 0x0dead*** */
+	if ((panic_code & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
+		snd_sof_dsp_panic(priv->sdev, panic_code, 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");
+	}
+}
+EXPORT_SYMBOL(mtk_adsp_handle_request);
+
+/**
+ * mtk_adsp_get_bar_index - Map section type with BAR idx
+ * @sdev: SOF device
+ * @type: Section type as described by snd_sof_fw_blk_type
+ *
+ * MediaTek Audio DSPs have a 1:1 match between type and BAR idx
+ */
+int mtk_adsp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
+{
+	return type;
+}
+EXPORT_SYMBOL(mtk_adsp_get_bar_index);
+
+/**
+ * mtk_adsp_stream_pcm_hw_params - Platform specific host stream hw params
+ * @sdev: SOF device
+ * @substream: PCM Substream
+ * @params: hw params
+ * @platform_params: Platform specific SOF stream parameters
+ */
+int mtk_adsp_stream_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;
+}
+EXPORT_SYMBOL(mtk_adsp_stream_pcm_hw_params);
+
+/**
+ * mtk_adsp_stream_pcm_pointer - Get host stream pointer
+ * @sdev: SOF device
+ * @substream: PCM substream
+ */
+snd_pcm_uframes_t mtk_adsp_stream_pcm_pointer(struct snd_sof_dev *sdev,
+					      struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_component *scomp = sdev->component;
+	struct snd_sof_pcm_stream *stream;
+	struct sof_ipc_stream_posn posn;
+	struct snd_sof_pcm *spcm;
+	snd_pcm_uframes_t pos;
+	int ret;
+
+	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, &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;
+}
+EXPORT_SYMBOL(mtk_adsp_stream_pcm_pointer);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF helpers for MTK ADSP platforms");

linux-7.2.3/sound/soc/sof/mediatek/mtk-adsp-common.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+#ifndef __MEDIATEK_ADSP_COMMON_H__
+#define __MEDIATEK_ADSP_COMMON_H__
+
+#define EXCEPT_MAX_HDR_SIZE	0x400
+#define MTK_ADSP_STACK_DUMP_SIZE 32
+
+void mtk_adsp_dump(struct snd_sof_dev *sdev, u32 flags);
+int mtk_adsp_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg);
+void mtk_adsp_handle_reply(struct mtk_adsp_ipc *ipc);
+void mtk_adsp_handle_request(struct mtk_adsp_ipc *ipc);
+int mtk_adsp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
+int mtk_adsp_stream_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);
+snd_pcm_uframes_t mtk_adsp_stream_pcm_pointer(struct snd_sof_dev *sdev,
+					      struct snd_pcm_substream *substream);
+#endif