Add support of SOF on MediaTek mt8196 SoC.
MT8196 has a Cadence HiFi-5 DSP core that is responsible for running the
operating system and application programs. The IPC communication between
the AP and DSP is based on shared DRAM and mailbox interrupt.
Signed-off-by: hailong.fan <hailong.fan@xxxxxxxxxxxx>
---
sound/soc/sof/mediatek/Kconfig | 9 +
sound/soc/sof/mediatek/Makefile | 1 +
sound/soc/sof/mediatek/mt8196/Makefile | 4 +
sound/soc/sof/mediatek/mt8196/mt8196-clk.c | 100 +++
sound/soc/sof/mediatek/mt8196/mt8196-clk.h | 23 +
sound/soc/sof/mediatek/mt8196/mt8196-loader.c | 61 ++
sound/soc/sof/mediatek/mt8196/mt8196.c | 650 ++++++++++++++++++
sound/soc/sof/mediatek/mt8196/mt8196.h | 109 +++
8 files changed, 957 insertions(+)
create mode 100644 sound/soc/sof/mediatek/mt8196/Makefile
create mode 100644 sound/soc/sof/mediatek/mt8196/mt8196-clk.c
create mode 100644 sound/soc/sof/mediatek/mt8196/mt8196-clk.h
create mode 100644 sound/soc/sof/mediatek/mt8196/mt8196-loader.c
create mode 100644 sound/soc/sof/mediatek/mt8196/mt8196.c
create mode 100644 sound/soc/sof/mediatek/mt8196/mt8196.h
diff --git a/sound/soc/sof/mediatek/Kconfig b/sound/soc/sof/mediatek/Kconfig
index 4a2eddf6009a..ff89c4b1e052 100644
--- a/sound/soc/sof/mediatek/Kconfig
+++ b/sound/soc/sof/mediatek/Kconfig
@@ -42,4 +42,13 @@ config SND_SOC_SOF_MT8195
Say Y if you have such a device.
If unsure select "N".
+config SND_SOC_SOF_MT8196
+ tristate "SOF support for MT8196 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 mt8196 processors.
+ Say Y if you have such a device.
+ If unsure select "N".
endif ## SND_SOC_SOF_MTK_TOPLEVEL
diff --git a/sound/soc/sof/mediatek/Makefile b/sound/soc/sof/mediatek/Makefile
index 29c5afb2f3d6..3e36d538679e 100644
--- a/sound/soc/sof/mediatek/Makefile
+++ b/sound/soc/sof/mediatek/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_SND_SOC_SOF_MTK_COMMON) += mtk-adsp-common.o
obj-$(CONFIG_SND_SOC_SOF_MT8195) += mt8195/
obj-$(CONFIG_SND_SOC_SOF_MT8186) += mt8186/
+obj-$(CONFIG_SND_SOC_SOF_MT8196) += mt8196/
diff --git a/sound/soc/sof/mediatek/mt8196/Makefile b/sound/soc/sof/mediatek/mt8196/Makefile
new file mode 100644
index 000000000000..c9d10374b900
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+snd-sof-mt8196-objs := mt8196.o mt8196-clk.o mt8196-loader.o
+obj-$(CONFIG_SND_SOC_SOF_MT8196) += snd-sof-mt8196.o
+
diff --git a/sound/soc/sof/mediatek/mt8196/mt8196-clk.c b/sound/soc/sof/mediatek/mt8196/mt8196-clk.c
new file mode 100644
index 000000000000..80ea24ce4722
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/mt8196-clk.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2025 MediaTek Inc.
+ * Author: Hailong Fan <hailong.fan@xxxxxxxxxxxx>
+ */
+
+// Hardware interface for mt8196 DSP clock
+
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include "../../sof-audio.h"
+#include "../../ops.h"
+#include "../adsp_helper.h"
+#include "mt8196.h"
+#include "mt8196-clk.h"
+
+static const char *adsp_clks[ADSP_CLK_MAX] = {
+ [CLK_TOP_ADSP_SEL] = "clk_top_adsp_sel",
+ [CLK_TOP_CLK26M] = "clk_top_clk26m",
+ [CLK_TOP_ADSPPLL] = "clk_top_adsppll",
+
+};
+
+int mt8196_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_ADSP_SEL]);
+ if (ret) {
+ dev_err(dev, "%s clk_prepare_enable(audiodsp) fail %d\n",
+ __func__, ret);
+ 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_SEL]);
+}
+
+int mt8196_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;
+ }
+
+ ret = snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CK_EN,
+ UART_BT_EN | DMA_AXI_EN | DMA1_EN,
+ UART_BT_EN | DMA_AXI_EN | DMA1_EN);
+ if (ret < 0)
+ dev_err(sdev->dev, "Failed to update CK register: %d\n", ret);
+
+ ret = snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_UART_CTRL,
+ UART_BCLK_CG | UART_RSTN,
+ UART_BCLK_CG | UART_RSTN);
+ if (ret < 0)
+ dev_err(sdev->dev, "Failed to update UART register: %d\n", ret);
+
+
+ return 0;
+}
+
+void mt8196_adsp_clock_off(struct snd_sof_dev *sdev)
+{
+ snd_sof_dsp_write(sdev, DSP_REG_BAR, ADSP_UART_CTRL, 0);
+ adsp_disable_all_clock(sdev);
+}
+
diff --git a/sound/soc/sof/mediatek/mt8196/mt8196-clk.h b/sound/soc/sof/mediatek/mt8196/mt8196-clk.h
new file mode 100644
index 000000000000..766db95c9517
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/mt8196-clk.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2025 MediaTek Inc.
+ * Author: Hailong Fan <hailong.fan@xxxxxxxxxxxx>
+ */
+
+#ifndef __MT8196_CLK_H
+#define __MT8196_CLK_H
+
+struct snd_sof_dev;
+
+/* DSP clock */
+enum adsp_clk_id {
+ CLK_TOP_ADSP_SEL,
+ CLK_TOP_CLK26M,
+ CLK_TOP_ADSPPLL,
+ ADSP_CLK_MAX
+};
+
+int mt8196_adsp_init_clock(struct snd_sof_dev *sdev);
+int mt8196_adsp_clock_on(struct snd_sof_dev *sdev);
+void mt8196_adsp_clock_off(struct snd_sof_dev *sdev);
+#endif
diff --git a/sound/soc/sof/mediatek/mt8196/mt8196-loader.c b/sound/soc/sof/mediatek/mt8196/mt8196-loader.c
new file mode 100644
index 000000000000..7053e5ca3c3f
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/mt8196-loader.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2025 MediaTek Inc.
+ * Author: Hailong Fan <hailong.fan@xxxxxxxxxxxx>
+ */
+
+// Hardware interface for mt8196 DSP code loader
+
+#include <sound/sof.h>
+#include "mt8196.h"
+#include "../../ops.h"
+
+void mt8196_sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr)
+{
+ /* step1. clr ADSP_ALTVEC_C0 */
+ snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVEC_C0, 0);
+ snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVECSEL, 0);
+
+ /* step2. 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);
+
+ /* step3. set RUNSTALL to stop core */
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_RUNSTALL,
+ 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);
+
+ /* step4. 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);
+
+ /* step5. release core reset */
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN,
+ SW_RSTN_C0 | SW_DBG_RSTN_C0,
+ 0);
+
+ /* step6. clear RUNSTALL to start core */
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_RUNSTALL,
+ RUNSTALL, 0);
+}
+
+void mt8196_sof_hifixdsp_shutdown(struct snd_sof_dev *sdev)
+{
+ /* set RUNSTALL to stop core */
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_RUNSTALL,
+ 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);
+}
+
diff --git a/sound/soc/sof/mediatek/mt8196/mt8196.c b/sound/soc/sof/mediatek/mt8196/mt8196.c
new file mode 100644
index 000000000000..364069ce9954
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/mt8196.c
@@ -0,0 +1,650 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2025 MediaTek Inc.
+ * Author: Hailong Fan <hailong.fan@xxxxxxxxxxxx>
+ */
+
+/*
+ * Hardware interface for audio DSP on mt8196
+ */
+
+#include <linux/clk.h>
+#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 "mt8196.h"
+#include "mt8196-clk.h"
+
+static void sof_reg_write_bits(struct snd_sof_dev *sdev, u32 bar, u32 offset, u32 value,
+ u8 bits, u8 len)
+{
+ u32 mask, val;
+ int ret;
+
+ mask = GENMASK(len + bits - 1, bits);
+ val = (value << bits) & mask;
+
+ ret = snd_sof_dsp_update_bits(sdev, bar, offset, mask, val);
+ if (ret < 0)
+ dev_err(sdev->dev, "Failed to update DSP register: %d\n", ret);
+}
+
+static u32 reg_read_bits(struct snd_sof_dev *sdev, u32 bar, u32 offset, u8 bits, u8 len)
+{
+ u32 target_bit_field, curr_value;
+
+ target_bit_field = GENMASK(len + bits - 1, bits);
+ curr_value = snd_sof_dsp_read(sdev, bar, offset);
+
+ return (curr_value & target_bit_field) >> bits;
+}
+
+static int mt8196_get_mailbox_offset(struct snd_sof_dev *sdev)
+{
+ return MBOX_OFFSET;
+}
+
+static int mt8196_get_window_offset(struct snd_sof_dev *sdev, u32 id)
+{
+ return MBOX_OFFSET;
+}
+
+static int mt8196_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 mt8196_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);
+ snd_sof_ipc_process_reply(priv->sdev, 0);
+ spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
+}
+
+static void mt8196_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 + sizeof(u32),
+ &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 = mt8196_dsp_handle_reply,
+ .handle_request = mt8196_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;
+
+ 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;
+ 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);
+
+ 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, vbase=%pa, size=%#x\n", &adsp->pa_busreg,
+ &adsp->va_busreg, adsp->busregsize);
+
+ return 0;
+}
+
+static void adsp_sram_power_on(struct snd_sof_dev *sdev)
+{
+ int i;
+
+ for (i = 0; i < ADSP_SRAM_CHANNEL_NUM; i++) {
+ sof_reg_write_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON, 0, i, 1);
+ while (1) {
+ if (reg_read_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_ACK, i, 1) == 0)
+ break;
+ }
+ }
+}
+
+static void adsp_sram_power_off(struct snd_sof_dev *sdev)
+{
+ int i;
+
+ for (i = 0; i < ADSP_SRAM_CHANNEL_NUM; i++) {
+ sof_reg_write_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON, 1, i, 1);
+ while (1) {
+ if (reg_read_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_ACK, i, 1) == 1)
+ break;
+ }
+ }
+}
+
+/* Init the basic DSP DRAM address */
+static int adsp_memory_remap_init(struct snd_sof_dev *sdev, struct mtk_adsp_chip_info *adsp)
+{
+ u32 from, to;
+
+ from = ADSP_REMAP_REGION_FROM(DRAM_PHYS_BASE_FROM_DSP_VIEW, DSP_DRAM_SIZE);
+ to = (u32)ADSP_REMAP_REGION_TO(adsp->pa_dram);
+
+ snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, AUDIO_BUS_CFG_RSV_10, from);
+ snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, DSP_C0_EMI_MAP_ADDR, to);
+
+ snd_sof_dsp_update_bits(sdev, DSP_BUSREG_BAR, AUDIO_BUS_CFG_BUS_REMAP_CTRL, 1, 1);
+
+ return 0;
+}
+
+static int mt8196_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);
+ mt8196_sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);
+
+ return 0;
+}
+
+static int mt8196_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;
+
+ 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];
+ dev_dbg(sdev->dev, "pa_sram %pa,va: %pa, size %#x\n",
+ &priv->adsp->pa_sram, &priv->adsp->va_sram, priv->adsp->sramsize);
+
+ 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];
+
+ dev_dbg(sdev->dev, "pa_dram %pa, va: %pa, size %#x\n",
+ &priv->adsp->pa_dram, &priv->adsp->va_dram, priv->adsp->dramsize);
+
+
+ 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 = mt8196_get_mailbox_offset(sdev);
+
+ /* enable adsp clock before touching registers */
+ ret = mt8196_adsp_init_clock(sdev);
+ if (ret) {
+ dev_err(sdev->dev, "mt8196_adsp_init_clock failed\n");
+ return ret;
+ }
+
+ ret = mt8196_adsp_clock_on(sdev);
+ if (ret) {
+ dev_err(sdev->dev, "mt8196_adsp_clock_on fail!\n");
+ return ret;
+ }
+
+ ret = adsp_memory_remap_init(sdev, priv->adsp);
+ if (ret) {
+ dev_err(sdev->dev, "adsp_memory_remap_init 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);
+ mt8196_adsp_clock_off(sdev);
+
+ return ret;
+}
+
+static void mt8196_dsp_remove(struct snd_sof_dev *sdev)
+{
+ struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+ platform_device_unregister(priv->ipc_dev);
+ mt8196_sof_hifixdsp_shutdown(sdev);
+ adsp_sram_power_off(sdev);
+ mt8196_adsp_clock_off(sdev);
+}
+
+static int mt8196_dsp_shutdown(struct snd_sof_dev *sdev)
+{
+ return snd_sof_suspend(sdev->dev);
+}
+
+static int mt8196_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
+{
+ struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_IO_CONFIG, ADSP_CLK_SEL, 0);
+ clk_set_parent(priv->clk[CLK_TOP_ADSP_SEL], priv->clk[CLK_TOP_CLK26M]);
+ mt8196_sof_hifixdsp_shutdown(sdev);
+ adsp_sram_power_off(sdev);
+ mt8196_adsp_clock_off(sdev);
+
+ return 0;
+}
+
+static int mt8196_dsp_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+ struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+ ret = mt8196_adsp_clock_on(sdev);
+ if (ret) {
+ dev_err(sdev->dev, "mt8196_adsp_clock_on fail!");
+ return ret;
+ }
+
+ clk_set_parent(priv->clk[CLK_TOP_ADSP_SEL], priv->clk[CLK_TOP_ADSPPLL]);
+ snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_IO_CONFIG, ADSP_CLK_SEL, BIT(31));
+ adsp_sram_power_on(sdev);
+
+ return 0;
+}
+
+/* on mt8196 there is 1 to 1 match between type and BAR idx */
+static int mt8196_get_bar_index(struct snd_sof_dev *sdev, u32 type)
+{
+ return type;
+}
+
+static int mt8196_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 mt8196_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 = snd_soc_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, &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 mt8196_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);
+}
+
+/*
+ * DL_24CH, DL1, UL0, UL1, UL2 are registered as SOF FE, so creating the corresponding
+ * SOF BE to complete the pipeline.
+ */
+static struct snd_soc_dai_driver mt8196_dai[] = {
+{
+ .name = "SOF_DL_24CH",
+ .playback = {
+ .channels_min = CHAN_MIN,
+ .channels_max = CHAN_MAX,
+ },
+},
+{
+ .name = "SOF_DL1",
+ .playback = {
+ .channels_min = CHAN_MIN,
+ .channels_max = CHAN_MAX,
+ },
+},
+{
+ .name = "SOF_UL0",
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+},
+{
+ .name = "SOF_UL1",
+ .capture = {
+ .channels_min = CHAN_MIN,
+ .channels_max = CHAN_MAX,
+ },
+},
+{
+ .name = "SOF_UL2",
+ .capture = {
+ .channels_min = CHAN_MIN,
+ .channels_max = CHAN_MAX,
+ },
+},
+};
+
+/* mt8196 ops */
+static struct snd_sof_dsp_ops sof_mt8196_ops = {
+ /* probe and remove */
+ .probe = mt8196_dsp_probe,
+ .remove = mt8196_dsp_remove,
+ .shutdown = mt8196_dsp_shutdown,
+
+ /* DSP core boot */
+ .run = mt8196_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 = mt8196_send_msg,
+ .get_mailbox_offset = mt8196_get_mailbox_offset,
+ .get_window_offset = mt8196_get_window_offset,
+ .ipc_msg_data = sof_ipc_msg_data,
+ .set_stream_data_offset = sof_set_stream_data_offset,
+
+ /* misc */
+ .get_bar_index = mt8196_get_bar_index,
+
+ /* stream callbacks */
+ .pcm_open = sof_stream_pcm_open,
+ .pcm_hw_params = mt8196_pcm_hw_params,
+ .pcm_pointer = mt8196_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 = mt8196_dai,
+ .num_drv = ARRAY_SIZE(mt8196_dai),
+
+ /* Debug information */
+ .dbg_dump = mt8196_adsp_dump,
+ .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
+
+ /* PM */
+ .suspend = mt8196_dsp_suspend,
+ .resume = mt8196_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_mt8196_machs[] = {
+ {
+ .compatible = "mediatek,mt8196",
+ .sof_tplg_filename = "sof-mt8196.tplg",
+ },
+ {}
+};
+
+static const struct sof_dev_desc sof_of_mt8196_desc = {
+ .of_machines = sof_mt8196_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-mt8196.ri",
+ },
+ .nocodec_tplg_filename = "sof-mt8196-nocodec.tplg",
+ .ops = &sof_mt8196_ops,
+};
+
+static const struct of_device_id sof_of_mt8196_ids[] = {
+ { .compatible = "mediatek,mt8196-dsp", .data = &sof_of_mt8196_desc},
+ { }
+};
+MODULE_DEVICE_TABLE(of, sof_of_mt8196_ids);
+
+/* DT driver definition */
+static struct platform_driver snd_sof_of_mt8196_driver = {
+ .probe = sof_of_probe,
+ .remove = sof_of_remove,
+ .shutdown = sof_of_shutdown,
+ .driver = {
+ .name = "sof-audio-of-mt8196",
+ .pm = &sof_of_pm,
+ .of_match_table = sof_of_mt8196_ids,
+ },
+};
+module_platform_driver(snd_sof_of_mt8196_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF support for MT8196 platforms");
+MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
+MODULE_IMPORT_NS("SND_SOC_SOF_MTK_COMMON");
diff --git a/sound/soc/sof/mediatek/mt8196/mt8196.h b/sound/soc/sof/mediatek/mt8196/mt8196.h
new file mode 100644
index 000000000000..ac2d5a7683e1
--- /dev/null
+++ b/sound/soc/sof/mediatek/mt8196/mt8196.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2025 MediaTek Inc.
+ * Author: Hailong Fan <hailong.fan@xxxxxxxxxxxx>
+ */
+
+#ifndef __MT8196_H
+#define __MT8196_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
+#define CHAN_MIN 1
+#define CHAN_MAX 2
+
+/*****************************************************************************
+ * 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_IO_CONFIG 0x000C
+#define ADSP_CLK_SEL BIT(31)
+#define ADSP_HIFI_RUNSTALL 0x0108
+#define TRACEMEMREADY BIT(15)
+#define RUNSTALL BIT(12)
+#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 DMA1_EN BIT(12)
+#define DMA_AXI_EN BIT(13)
+#define UART_BT_EN BIT(14)
+#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 MT8196_ADSP_ALTVECSEL_C0 1
+
+#define ADSP_ALTVECSEL_C0 MT8196_ADSP_ALTVECSEL_C0
+
+/* dsp bus */
+#define AUDIO_BUS_CFG_RSV_10 0x30
+#define ADSP_SRAM_POOL_CON 0x190
+#define ADSP_SRAM_POOL_ACK 0x1A0
+#define ADSP_SRAM_CHANNEL_NUM 6
+#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 */
+#define AUDIO_BUS_CFG_BUS_REMAP_CTRL 0x016C
+#define AUDIO_BUS_DSP2EMI_REMAP0 0x0A00
+#define AUDIO_BUS_DSP2EMI_REMAP1 0x0A04
+#define AUDIO_BUS_DMA2EMI_REMAP0 0x0A08
+#define AUDIO_BUS_DMA2EMI_REMAP1 0x0A0C
+
+/* DSP memories */
+#define MBOX_OFFSET 0x500000 /* DRAM */
+#define MBOX_SIZE 0x1000 /* consistent with which in memory.h of sof fw */
+#define DSP_DRAM_SIZE 0x900000 /* 9M */
+
+/*remap dram between AP and DSP view, 4KB aligned*/
+#define SRAM_PHYS_BASE_FROM_DSP_VIEW 0x4e100000 /* MT8196 DSP view */
+#define DRAM_PHYS_BASE_FROM_DSP_VIEW 0x90000000 /* MT8196 DSP view */
+#define DRAM_REMAP_SHIFT 12
+#define DRAM_REMAP_MASK 0xFFF
+ /* remap */
+#define ADSP_REMAP_REGION
+#define ADSP_EMI_REMAP_SET_TOTAL (4)
+#define EMI_REMAP_REGION (AUDIO_BUS_CFG_RSV_10)
+#define EMI_REMAP_REPLACE (AUDIO_BUS_DSP2EMI_REMAP0)
+#define EMI_REMAP_EN (1U)
+#define ROUNDUP(a, b) (((a) + ((b)-1)) & ~((b)-1))
+#define MIX_BEGIN_AND_END_ADDR(begin, end) \
+ (((begin >> 16) & 0xFFFF) | (end & 0xFFFF0000))
+#define ADSP_REMAP_REGION_FROM(start, size) MIX_BEGIN_AND_END_ADDR(start, \
+ ROUNDUP((start + size), 0x10000))
+#define ADSP_REMAP_REGION_TO(start) ((start >> 25) << 9)
+
+#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 mt8196_sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr);
+void mt8196_sof_hifixdsp_shutdown(struct snd_sof_dev *sdev);
+#endif
--
2.45.2
