5 files changed, 1115 insertions, 36 deletions

diff --git a/sound/soc/amd/Kconfig b/sound/soc/amd/Kconfig
index 57d5e342a8eb..1dd8579e8034 100644
--- a/sound/soc/amd/Kconfig
+++ b/sound/soc/amd/Kconfig
@@ -138,7 +138,8 @@ config SND_SOC_AMD_PS
         help
           This option enables Audio Coprocessor i.e ACP v6.3 support on
           AMD Pink sardine platform. By enabling this flag build will be
-          triggered for ACP PCI driver, ACP PDM DMA driver.
+          triggered for ACP PCI driver, ACP PDM DMA driver, ACP SoundWire
+          DMA driver.
           Say m if you have such a device.
           If unsure select "N".
 
diff --git a/sound/soc/amd/ps/Makefile b/sound/soc/amd/ps/Makefile
index 383973a12f6a..f2a5eaf2fa4d 100644
--- a/sound/soc/amd/ps/Makefile
+++ b/sound/soc/amd/ps/Makefile
@@ -3,7 +3,9 @@
 snd-pci-ps-objs := pci-ps.o
 snd-ps-pdm-dma-objs := ps-pdm-dma.o
 snd-soc-ps-mach-objs := ps-mach.o
+snd-ps-sdw-dma-objs := ps-sdw-dma.o
 
 obj-$(CONFIG_SND_SOC_AMD_PS) += snd-pci-ps.o
 obj-$(CONFIG_SND_SOC_AMD_PS) += snd-ps-pdm-dma.o
+obj-$(CONFIG_SND_SOC_AMD_PS) += snd-ps-sdw-dma.o
 obj-$(CONFIG_SND_SOC_AMD_PS_MACH)   += snd-soc-ps-mach.o
diff --git a/sound/soc/amd/ps/acp63.h b/sound/soc/amd/ps/acp63.h
index 2f94448102d0..e96e6dc9d90f 100644
--- a/sound/soc/amd/ps/acp63.h
+++ b/sound/soc/amd/ps/acp63.h
@@ -10,7 +10,7 @@
 #define ACP_DEVICE_ID 0x15E2
 #define ACP63_REG_START		0x1240000
 #define ACP63_REG_END		0x1250200
-#define ACP63_DEVS		3
+#define ACP63_DEVS		5
 
 #define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK	0x00010001
 #define ACP_PGFSM_CNTL_POWER_ON_MASK	1
@@ -53,14 +53,99 @@
 /* time in ms for runtime suspend delay */
 #define ACP_SUSPEND_DELAY_MS	2000
 
-#define ACP63_DMIC_ADDR		2
-#define ACP63_PDM_MODE_DEVS		3
-#define ACP63_PDM_DEV_MASK		1
 #define ACP_DMIC_DEV	2
 
+/* ACP63_PDM_MODE_DEVS corresponds to platform devices count for ACP PDM configuration */
+#define ACP63_PDM_MODE_DEVS		3
+
+/*
+ * ACP63_SDW0_MODE_DEVS corresponds to platform devices count for
+ * SW0 SoundWire manager instance configuration
+ */
+#define ACP63_SDW0_MODE_DEVS		2
+
+/*
+ * ACP63_SDW0_SDW1_MODE_DEVS corresponds to platform devices count for SW0 + SW1 SoundWire manager
+ * instances configuration
+ */
+#define ACP63_SDW0_SDW1_MODE_DEVS	3
+
+/*
+ * ACP63_SDW0_PDM_MODE_DEVS corresponds to platform devices count for SW0 manager
+ * instance + ACP PDM controller configuration
+ */
+#define ACP63_SDW0_PDM_MODE_DEVS	4
+
+/*
+ * ACP63_SDW0_SDW1_PDM_MODE_DEVS corresponds to platform devices count for
+ * SW0 + SW1 SoundWire manager instances + ACP PDM controller configuration
+ */
+#define ACP63_SDW0_SDW1_PDM_MODE_DEVS   5
+#define ACP63_DMIC_ADDR			2
+#define ACP63_SDW_ADDR			5
+#define AMD_SDW_MAX_MANAGERS		2
+
 /* time in ms for acp timeout */
 #define ACP_TIMEOUT		500
 
+/* ACP63_PDM_DEV_CONFIG corresponds to platform device configuration for ACP PDM controller */
+#define ACP63_PDM_DEV_CONFIG		BIT(0)
+
+/* ACP63_SDW_DEV_CONFIG corresponds to platform device configuration for SDW manager instances */
+#define ACP63_SDW_DEV_CONFIG		BIT(1)
+
+/*
+ * ACP63_SDW_PDM_DEV_CONFIG corresponds to platform device configuration for ACP PDM + SoundWire
+ * manager instance combination.
+ */
+#define ACP63_SDW_PDM_DEV_CONFIG	GENMASK(1, 0)
+#define ACP_SDW0_STAT			BIT(21)
+#define ACP_SDW1_STAT			BIT(2)
+#define ACP_ERROR_IRQ			BIT(29)
+
+#define ACP_AUDIO0_TX_THRESHOLD		0x1c
+#define ACP_AUDIO1_TX_THRESHOLD		0x1a
+#define ACP_AUDIO2_TX_THRESHOLD		0x18
+#define ACP_AUDIO0_RX_THRESHOLD		0x1b
+#define ACP_AUDIO1_RX_THRESHOLD		0x19
+#define ACP_AUDIO2_RX_THRESHOLD		0x17
+#define ACP_P1_AUDIO1_TX_THRESHOLD	BIT(6)
+#define ACP_P1_AUDIO1_RX_THRESHOLD	BIT(5)
+#define ACP_SDW_DMA_IRQ_MASK		0x1F800000
+#define ACP_P1_SDW_DMA_IRQ_MASK		0x60
+#define ACP63_SDW0_DMA_MAX_STREAMS	6
+#define ACP63_SDW1_DMA_MAX_STREAMS	2
+#define ACP_P1_AUDIO_TX_THRESHOLD	6
+#define SDW0_DMA_TX_IRQ_MASK(i)	(ACP_AUDIO0_TX_THRESHOLD - (2 * (i)))
+#define SDW0_DMA_RX_IRQ_MASK(i)	(ACP_AUDIO0_RX_THRESHOLD - (2 * (i)))
+#define SDW1_DMA_IRQ_MASK(i)	(ACP_P1_AUDIO_TX_THRESHOLD - (i))
+
+#define ACP_DELAY_US		5
+#define ACP_SDW_RING_BUFF_ADDR_OFFSET (128 * 1024)
+#define SDW0_MEM_WINDOW_START	0x4800000
+#define ACP_SDW_SRAM_PTE_OFFSET	0x03800400
+#define SDW0_PTE_OFFSET		0x400
+#define SDW_FIFO_SIZE		0x100
+#define SDW_DMA_SIZE		0x40
+#define ACP_SDW0_FIFO_OFFSET	0x100
+#define ACP_SDW_PTE_OFFSET	0x100
+#define SDW_FIFO_OFFSET		0x100
+#define SDW_PTE_OFFSET(i)	(SDW0_PTE_OFFSET + ((i) * 0x600))
+#define ACP_SDW_FIFO_OFFSET(i)	(ACP_SDW0_FIFO_OFFSET + ((i) * 0x500))
+#define SDW_MEM_WINDOW_START(i)	(SDW0_MEM_WINDOW_START + ((i) * 0xC0000))
+
+#define SDW_PLAYBACK_MIN_NUM_PERIODS    2
+#define SDW_PLAYBACK_MAX_NUM_PERIODS    8
+#define SDW_PLAYBACK_MAX_PERIOD_SIZE    8192
+#define SDW_PLAYBACK_MIN_PERIOD_SIZE    1024
+#define SDW_CAPTURE_MIN_NUM_PERIODS     2
+#define SDW_CAPTURE_MAX_NUM_PERIODS     8
+#define SDW_CAPTURE_MAX_PERIOD_SIZE     8192
+#define SDW_CAPTURE_MIN_PERIOD_SIZE     1024
+
+#define SDW_MAX_BUFFER (SDW_PLAYBACK_MAX_PERIOD_SIZE * SDW_PLAYBACK_MAX_NUM_PERIODS)
+#define SDW_MIN_BUFFER SDW_MAX_BUFFER
+
 enum acp_config {
 	ACP_CONFIG_0 = 0,
 	ACP_CONFIG_1,
@@ -80,6 +165,20 @@ enum acp_config {
 	ACP_CONFIG_15,
 };
 
+enum amd_sdw0_channel {
+	ACP_SDW0_AUDIO0_TX = 0,
+	ACP_SDW0_AUDIO1_TX,
+	ACP_SDW0_AUDIO2_TX,
+	ACP_SDW0_AUDIO0_RX,
+	ACP_SDW0_AUDIO1_RX,
+	ACP_SDW0_AUDIO2_RX,
+};
+
+enum amd_sdw1_channel {
+	ACP_SDW1_AUDIO1_TX,
+	ACP_SDW1_AUDIO1_RX,
+};
+
 struct pdm_stream_instance {
 	u16 num_pages;
 	u16 channels;
@@ -95,14 +194,77 @@ struct pdm_dev_data {
 	struct snd_pcm_substream *capture_stream;
 };
 
+struct sdw_dma_dev_data {
+	void __iomem *acp_base;
+	struct mutex *acp_lock; /* used to protect acp common register access */
+	struct snd_pcm_substream *sdw0_dma_stream[ACP63_SDW0_DMA_MAX_STREAMS];
+	struct snd_pcm_substream *sdw1_dma_stream[ACP63_SDW1_DMA_MAX_STREAMS];
+};
+
+struct acp_sdw_dma_stream {
+	u16 num_pages;
+	u16 channels;
+	u32 stream_id;
+	u32 instance;
+	dma_addr_t dma_addr;
+	u64 bytescount;
+};
+
+union acp_sdw_dma_count {
+	struct {
+		u32 low;
+		u32 high;
+	} bcount;
+	u64 bytescount;
+};
+
+struct sdw_dma_ring_buf_reg {
+	u32 reg_dma_size;
+	u32 reg_fifo_addr;
+	u32 reg_fifo_size;
+	u32 reg_ring_buf_size;
+	u32 reg_ring_buf_addr;
+	u32 water_mark_size_reg;
+	u32 pos_low_reg;
+	u32 pos_high_reg;
+};
+
+/**
+ * struct acp63_dev_data - acp pci driver context
+ * @acp63_base: acp mmio base
+ * @res: resource
+ * @pdev: array of child platform device node structures
+ * @acp_lock: used to protect acp common registers
+ * @sdw_fw_node: SoundWire controller fw node handle
+ * @pdev_config: platform device configuration
+ * @pdev_count: platform devices count
+ * @pdm_dev_index: pdm platform device index
+ * @sdw_manager_count: SoundWire manager instance count
+ * @sdw0_dev_index: SoundWire Manager-0 platform device index
+ * @sdw1_dev_index: SoundWire Manager-1 platform device index
+ * @sdw_dma_dev_index: SoundWire DMA controller platform device index
+ * @sdw0-dma_intr_stat: DMA interrupt status array for SoundWire manager-SW0 instance
+ * @sdw_dma_intr_stat: DMA interrupt status array for SoundWire manager-SW1 instance
+ * @acp_reset: flag set to true when bus reset is applied across all
+ * the active SoundWire manager instances
+ */
+
 struct acp63_dev_data {
 	void __iomem *acp63_base;
 	struct resource *res;
 	struct platform_device *pdev[ACP63_DEVS];
 	struct mutex acp_lock; /* protect shared registers */
-	u16 pdev_mask;
+	struct fwnode_handle *sdw_fw_node;
+	u16 pdev_config;
 	u16 pdev_count;
 	u16 pdm_dev_index;
+	u8 sdw_manager_count;
+	u16 sdw0_dev_index;
+	u16 sdw1_dev_index;
+	u16 sdw_dma_dev_index;
+	u16 sdw0_dma_intr_stat[ACP63_SDW0_DMA_MAX_STREAMS];
+	u16 sdw1_dma_intr_stat[ACP63_SDW1_DMA_MAX_STREAMS];
+	bool acp_reset;
 };
 
 int snd_amd_acp_find_config(struct pci_dev *pci);
diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c
index 54752d6040d6..5b46dc8573f8 100644
--- a/sound/soc/amd/ps/pci-ps.c
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -6,6 +6,7 @@
  */
 
 #include <linux/pci.h>
+#include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/delay.h>
@@ -15,6 +16,7 @@
 #include <sound/pcm_params.h>
 #include <linux/pm_runtime.h>
 #include <linux/iopoll.h>
+#include <linux/soundwire/sdw_amd.h>
 
 #include "acp63.h"
 
@@ -54,6 +56,7 @@ static int acp63_reset(void __iomem *acp_base)
 static void acp63_enable_interrupts(void __iomem *acp_base)
 {
 	writel(1, acp_base + ACP_EXTERNAL_INTR_ENB);
+	writel(ACP_ERROR_IRQ, acp_base + ACP_EXTERNAL_INTR_CNTL);
 }
 
 static void acp63_disable_interrupts(void __iomem *acp_base)
@@ -96,60 +99,302 @@ static int acp63_deinit(void __iomem *acp_base, struct device *dev)
 	return 0;
 }
 
+static irqreturn_t acp63_irq_thread(int irq, void *context)
+{
+	struct sdw_dma_dev_data *sdw_dma_data;
+	struct acp63_dev_data *adata = context;
+	u32 stream_index;
+	u16 pdev_index;
+
+	pdev_index = adata->sdw_dma_dev_index;
+	sdw_dma_data = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
+
+	for (stream_index = 0; stream_index < ACP63_SDW0_DMA_MAX_STREAMS; stream_index++) {
+		if (adata->sdw0_dma_intr_stat[stream_index]) {
+			if (sdw_dma_data->sdw0_dma_stream[stream_index])
+				snd_pcm_period_elapsed(sdw_dma_data->sdw0_dma_stream[stream_index]);
+			adata->sdw0_dma_intr_stat[stream_index] = 0;
+		}
+	}
+	for (stream_index = 0; stream_index < ACP63_SDW1_DMA_MAX_STREAMS; stream_index++) {
+		if (adata->sdw1_dma_intr_stat[stream_index]) {
+			if (sdw_dma_data->sdw1_dma_stream[stream_index])
+				snd_pcm_period_elapsed(sdw_dma_data->sdw1_dma_stream[stream_index]);
+			adata->sdw1_dma_intr_stat[stream_index] = 0;
+		}
+	}
+	return IRQ_HANDLED;
+}
+
 static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
 {
 	struct acp63_dev_data *adata;
 	struct pdm_dev_data *ps_pdm_data;
-	u32 val;
+	struct amd_sdw_manager *amd_manager;
+	u32 ext_intr_stat, ext_intr_stat1;
+	u32 stream_id = 0;
+	u16 irq_flag = 0;
+	u16 sdw_dma_irq_flag = 0;
 	u16 pdev_index;
+	u16 index;
 
 	adata = dev_id;
 	if (!adata)
 		return IRQ_NONE;
+	/* ACP interrupts will be cleared by reading particular bit and writing
+	 * same value to the status register. writing zero's doesn't have any
+	 * effect.
+	 * Bit by bit checking of IRQ field is implemented.
+	 */
+	ext_intr_stat = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
+	if (ext_intr_stat & ACP_SDW0_STAT) {
+		writel(ACP_SDW0_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
+		pdev_index = adata->sdw0_dev_index;
+		amd_manager = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
+		if (amd_manager)
+			schedule_work(&amd_manager->amd_sdw_irq_thread);
+		irq_flag = 1;
+	}
+
+	ext_intr_stat1 = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
+	if (ext_intr_stat1 & ACP_SDW1_STAT) {
+		writel(ACP_SDW1_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
+		pdev_index = adata->sdw1_dev_index;
+		amd_manager = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
+		if (amd_manager)
+			schedule_work(&amd_manager->amd_sdw_irq_thread);
+		irq_flag = 1;
+	}
+
+	if (ext_intr_stat & ACP_ERROR_IRQ) {
+		writel(ACP_ERROR_IRQ, adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
+		/* TODO: Report SoundWire Manager instance errors */
+		writel(0, adata->acp63_base + ACP_SW0_I2S_ERROR_REASON);
+		writel(0, adata->acp63_base + ACP_SW1_I2S_ERROR_REASON);
+		writel(0, adata->acp63_base + ACP_ERROR_STATUS);
+		irq_flag = 1;
+	}
 
-	val = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
-	if (val & BIT(PDM_DMA_STAT)) {
+	if (ext_intr_stat & BIT(PDM_DMA_STAT)) {
 		pdev_index = adata->pdm_dev_index;
 		ps_pdm_data = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
 		writel(BIT(PDM_DMA_STAT), adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
 		if (ps_pdm_data->capture_stream)
 			snd_pcm_period_elapsed(ps_pdm_data->capture_stream);
+		irq_flag = 1;
+	}
+	if (ext_intr_stat & ACP_SDW_DMA_IRQ_MASK) {
+		for (index = ACP_AUDIO2_RX_THRESHOLD; index <= ACP_AUDIO0_TX_THRESHOLD; index++) {
+			if (ext_intr_stat & BIT(index)) {
+				writel(BIT(index), adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
+				switch (index) {
+				case ACP_AUDIO0_TX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO0_TX;
+					break;
+				case ACP_AUDIO1_TX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO1_TX;
+					break;
+				case ACP_AUDIO2_TX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO2_TX;
+					break;
+				case ACP_AUDIO0_RX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO0_RX;
+					break;
+				case ACP_AUDIO1_RX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO1_RX;
+					break;
+				case ACP_AUDIO2_RX_THRESHOLD:
+					stream_id = ACP_SDW0_AUDIO2_RX;
+					break;
+				}
+
+				adata->sdw0_dma_intr_stat[stream_id] = 1;
+				sdw_dma_irq_flag = 1;
+			}
+		}
+	}
+
+	if (ext_intr_stat1 & ACP_P1_AUDIO1_RX_THRESHOLD) {
+		writel(ACP_P1_AUDIO1_RX_THRESHOLD,
+		       adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
+		adata->sdw1_dma_intr_stat[ACP_SDW1_AUDIO1_RX] = 1;
+		sdw_dma_irq_flag = 1;
+	}
+
+	if (ext_intr_stat1 & ACP_P1_AUDIO1_TX_THRESHOLD) {
+		writel(ACP_P1_AUDIO1_TX_THRESHOLD,
+		       adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
+		adata->sdw1_dma_intr_stat[ACP_SDW1_AUDIO1_TX] = 1;
+		sdw_dma_irq_flag = 1;
+	}
+
+	if (sdw_dma_irq_flag)
+		return IRQ_WAKE_THREAD;
+
+	if (irq_flag)
 		return IRQ_HANDLED;
+	else
+		return IRQ_NONE;
+}
+
+static int sdw_amd_scan_controller(struct device *dev)
+{
+	struct acp63_dev_data *acp_data;
+	struct fwnode_handle *link;
+	char name[32];
+	u32 sdw_manager_bitmap;
+	u8 count = 0;
+	u32 acp_sdw_power_mode = 0;
+	int index;
+	int ret;
+
+	acp_data = dev_get_drvdata(dev);
+	/*
+	 * Current implementation is based on MIPI DisCo 2.0 spec.
+	 * Found controller, find links supported.
+	 */
+	ret = fwnode_property_read_u32_array((acp_data->sdw_fw_node), "mipi-sdw-manager-list",
+					     &sdw_manager_bitmap, 1);
+
+	if (ret) {
+		dev_err(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret);
+		return -EINVAL;
 	}
-	return IRQ_NONE;
+	count = hweight32(sdw_manager_bitmap);
+	/* Check count is within bounds */
+	if (count > AMD_SDW_MAX_MANAGERS) {
+		dev_err(dev, "Manager count %d exceeds max %d\n", count, AMD_SDW_MAX_MANAGERS);
+		return -EINVAL;
+	}
+
+	if (!count) {
+		dev_dbg(dev, "No SoundWire Managers detected\n");
+		return -EINVAL;
+	}
+	dev_dbg(dev, "ACPI reports %d SoundWire Manager devices\n", count);
+	acp_data->sdw_manager_count = count;
+	for (index = 0; index < count; index++) {
+		snprintf(name, sizeof(name), "mipi-sdw-link-%d-subproperties", index);
+		link = fwnode_get_named_child_node(acp_data->sdw_fw_node, name);
+		if (!link) {
+			dev_err(dev, "Manager node %s not found\n", name);
+			return -EIO;
+		}
+
+		ret = fwnode_property_read_u32(link, "amd-sdw-power-mode", &acp_sdw_power_mode);
+		if (ret)
+			return ret;
+		/*
+		 * when SoundWire configuration is selected from acp pin config,
+		 * based on manager instances count, acp init/de-init sequence should be
+		 * executed as part of PM ops only when Bus reset is applied for the active
+		 * SoundWire manager instances.
+		 */
+		if (acp_sdw_power_mode != AMD_SDW_POWER_OFF_MODE) {
+			acp_data->acp_reset = false;
+			return 0;
+		}
+	}
+	return 0;
 }
 
-static void get_acp63_device_config(u32 config, struct pci_dev *pci,
-				    struct acp63_dev_data *acp_data)
+static int get_acp63_device_config(u32 config, struct pci_dev *pci, struct acp63_dev_data *acp_data)
 {
 	struct acpi_device *dmic_dev;
+	struct acpi_device *sdw_dev;
 	const union acpi_object *obj;
 	bool is_dmic_dev = false;
+	bool is_sdw_dev = false;
+	int ret;
 
 	dmic_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0);
 	if (dmic_dev) {
+		/* is_dmic_dev flag will be set when ACP PDM controller device exists */
 		if (!acpi_dev_get_property(dmic_dev, "acp-audio-device-type",
 					   ACPI_TYPE_INTEGER, &obj) &&
 					   obj->integer.value == ACP_DMIC_DEV)
 			is_dmic_dev = true;
 	}
 
+	sdw_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_SDW_ADDR, 0);
+	if (sdw_dev) {
+		acp_data->sdw_fw_node = acpi_fwnode_handle(sdw_dev);
+		ret = sdw_amd_scan_controller(&pci->dev);
+		/* is_sdw_dev flag will be set when SoundWire Manager device exists */
+		if (!ret)
+			is_sdw_dev = true;
+	}
+	if (!is_dmic_dev && !is_sdw_dev)
+		return -ENODEV;
+	dev_dbg(&pci->dev, "Audio Mode %d\n", config);
 	switch (config) {
-	case ACP_CONFIG_0:
-	case ACP_CONFIG_1:
+	case ACP_CONFIG_4:
+	case ACP_CONFIG_5:
+	case ACP_CONFIG_10:
+	case ACP_CONFIG_11:
+		if (is_dmic_dev) {
+			acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
+			acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
+		}
+		break;
 	case ACP_CONFIG_2:
 	case ACP_CONFIG_3:
-	case ACP_CONFIG_9:
-	case ACP_CONFIG_15:
-		dev_dbg(&pci->dev, "Audio Mode %d\n", config);
+		if (is_sdw_dev) {
+			switch (acp_data->sdw_manager_count) {
+			case 1:
+				acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
+				break;
+			case 2:
+				acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
+				break;
+			default:
+				return -EINVAL;
+			}
+		}
 		break;
-	default:
-		if (is_dmic_dev) {
-			acp_data->pdev_mask = ACP63_PDM_DEV_MASK;
+	case ACP_CONFIG_6:
+	case ACP_CONFIG_7:
+	case ACP_CONFIG_12:
+	case ACP_CONFIG_8:
+	case ACP_CONFIG_13:
+	case ACP_CONFIG_14:
+		if (is_dmic_dev && is_sdw_dev) {
+			switch (acp_data->sdw_manager_count) {
+			case 1:
+				acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_PDM_MODE_DEVS;
+				break;
+			case 2:
+				acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_SDW1_PDM_MODE_DEVS;
+				break;
+			default:
+				return -EINVAL;
+			}
+		} else if (is_dmic_dev) {
+			acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
 			acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
+		} else if (is_sdw_dev) {
+			switch (acp_data->sdw_manager_count) {
+			case 1:
+				acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
+				break;
+			case 2:
+				acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
+				acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
+				break;
+			default:
+				return -EINVAL;
+			}
 		}
 		break;
+	default:
+		break;
 	}
+	return 0;
 }
 
 static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
@@ -173,6 +418,7 @@ static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
 
 static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data *adata, u32 addr)
 {
+	struct acp_sdw_pdata *sdw_pdata;
 	struct platform_device_info pdevinfo[ACP63_DEVS];
 	struct device *parent;
 	int index;
@@ -180,9 +426,9 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
 
 	parent = &pci->dev;
 	dev_dbg(&pci->dev,
-		"%s pdev_mask:0x%x pdev_count:0x%x\n", __func__, adata->pdev_mask,
+		"%s pdev_config:0x%x pdev_count:0x%x\n", __func__, adata->pdev_config,
 		adata->pdev_count);
-	if (adata->pdev_mask) {
+	if (adata->pdev_config) {
 		adata->res = devm_kzalloc(&pci->dev, sizeof(struct resource), GFP_KERNEL);
 		if (!adata->res) {
 			ret = -ENOMEM;
@@ -194,8 +440,8 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
 		memset(&pdevinfo, 0, sizeof(pdevinfo));
 	}
 
-	switch (adata->pdev_mask) {
-	case ACP63_PDM_DEV_MASK:
+	switch (adata->pdev_config) {
+	case ACP63_PDM_DEV_CONFIG:
 		adata->pdm_dev_index  = 0;
 		acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
 					     0, adata->res, 1, NULL, 0);
@@ -204,8 +450,104 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
 		acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "acp_ps_mach",
 					     0, NULL, 0, NULL, 0);
 		break;
+	case ACP63_SDW_DEV_CONFIG:
+		if (adata->pdev_count == ACP63_SDW0_MODE_DEVS) {
+			sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata),
+						 GFP_KERNEL);
+			if (!sdw_pdata) {
+				ret = -ENOMEM;
+				goto de_init;
+			}
+
+			sdw_pdata->instance = 0;
+			sdw_pdata->acp_sdw_lock = &adata->acp_lock;
+			adata->sdw0_dev_index = 0;
+			adata->sdw_dma_dev_index = 1;
+			acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 0, adata->res, 1,
+						     sdw_pdata, sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[1], parent, NULL, "amd_ps_sdw_dma",
+						     0, adata->res, 1, NULL, 0);
+		} else if (adata->pdev_count == ACP63_SDW0_SDW1_MODE_DEVS) {
+			sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata) * 2,
+						 GFP_KERNEL);
+			if (!sdw_pdata) {
+				ret = -ENOMEM;
+				goto de_init;
+			}
+
+			sdw_pdata[0].instance = 0;
+			sdw_pdata[1].instance = 1;
+			sdw_pdata[0].acp_sdw_lock = &adata->acp_lock;
+			sdw_pdata[1].acp_sdw_lock = &adata->acp_lock;
+			sdw_pdata->acp_sdw_lock = &adata->acp_lock;
+			adata->sdw0_dev_index = 0;
+			adata->sdw1_dev_index = 1;
+			adata->sdw_dma_dev_index = 2;
+			acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 0, adata->res, 1,
+						     &sdw_pdata[0], sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 1, adata->res, 1,
+						     &sdw_pdata[1], sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma",
+						     0, adata->res, 1, NULL, 0);
+		}
+		break;
+	case ACP63_SDW_PDM_DEV_CONFIG:
+		if (adata->pdev_count == ACP63_SDW0_PDM_MODE_DEVS) {
+			sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata),
+						 GFP_KERNEL);
+			if (!sdw_pdata) {
+				ret = -ENOMEM;
+				goto de_init;
+			}
+
+			sdw_pdata->instance = 0;
+			sdw_pdata->acp_sdw_lock = &adata->acp_lock;
+			adata->pdm_dev_index = 0;
+			adata->sdw0_dev_index = 1;
+			adata->sdw_dma_dev_index = 2;
+			acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
+						     0, adata->res, 1, NULL, 0);
+			acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 0, adata->res, 1,
+						     sdw_pdata, sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma",
+						     0, adata->res, 1, NULL, 0);
+			acp63_fill_platform_dev_info(&pdevinfo[3], parent, NULL, "dmic-codec",
+						     0, NULL, 0, NULL, 0);
+		} else if (adata->pdev_count == ACP63_SDW0_SDW1_PDM_MODE_DEVS) {
+			sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata) * 2,
+						 GFP_KERNEL);
+			if (!sdw_pdata) {
+				ret = -ENOMEM;
+				goto de_init;
+			}
+			sdw_pdata[0].instance = 0;
+			sdw_pdata[1].instance = 1;
+			sdw_pdata[0].acp_sdw_lock = &adata->acp_lock;
+			sdw_pdata[1].acp_sdw_lock = &adata->acp_lock;
+			adata->pdm_dev_index = 0;
+			adata->sdw0_dev_index = 1;
+			adata->sdw1_dev_index = 2;
+			adata->sdw_dma_dev_index = 3;
+			acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
+						     0, adata->res, 1, NULL, 0);
+			acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 0, adata->res, 1,
+						     &sdw_pdata[0], sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[2], parent, adata->sdw_fw_node,
+						     "amd_sdw_manager", 1, adata->res, 1,
+						     &sdw_pdata[1], sizeof(struct acp_sdw_pdata));
+			acp63_fill_platform_dev_info(&pdevinfo[3], parent, NULL, "amd_ps_sdw_dma",
+						     0, adata->res, 1, NULL, 0);
+			acp63_fill_platform_dev_info(&pdevinfo[4], parent, NULL, "dmic-codec",
+						     0, NULL, 0, NULL, 0);
+		}
+		break;
 	default:
-		dev_dbg(&pci->dev, "No PDM devices found\n");
+		dev_dbg(&pci->dev, "No PDM or SoundWire manager devices found\n");
 		return 0;
 	}
 
@@ -276,25 +618,38 @@ static int snd_acp63_probe(struct pci_dev *pci,
 		ret = -ENOMEM;
 		goto release_regions;
 	}
+	/*
+	 * By default acp_reset flag is set to true. i.e acp_deinit() and acp_init()
+	 * will be invoked for all ACP configurations during suspend/resume callbacks.
+	 * This flag should be set to false only when SoundWire manager power mode
+	 * set to ClockStopMode.
+	 */
+	adata->acp_reset = true;
 	pci_set_master(pci);
 	pci_set_drvdata(pci, adata);
 	mutex_init(&adata->acp_lock);
 	ret = acp63_init(adata->acp63_base, &pci->dev);
 	if (ret)
 		goto release_regions;
-	ret = devm_request_irq(&pci->dev, pci->irq, acp63_irq_handler,
-			       irqflags, "ACP_PCI_IRQ", adata);
+	ret = devm_request_threaded_irq(&pci->dev, pci->irq, acp63_irq_handler,
+					acp63_irq_thread, irqflags, "ACP_PCI_IRQ", adata);
 	if (ret) {
 		dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
 		goto de_init;
 	}
 	val = readl(adata->acp63_base + ACP_PIN_CONFIG);
-	get_acp63_device_config(val, pci, adata);
+	ret = get_acp63_device_config(val, pci, adata);
+	/* ACP PCI driver probe should be continued even PDM or SoundWire Devices are not found */
+	if (ret) {
+		dev_err(&pci->dev, "get acp device config failed:%d\n", ret);
+		goto skip_pdev_creation;
+	}
 	ret = create_acp63_platform_devs(pci, adata, addr);
 	if (ret < 0) {
 		dev_err(&pci->dev, "ACP platform devices creation failed\n");
 		goto de_init;
 	}
+skip_pdev_creation:
 	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
 	pm_runtime_use_autosuspend(&pci->dev);
 	pm_runtime_put_noidle(&pci->dev);
@@ -314,24 +669,28 @@ disable_pci:
 static int __maybe_unused snd_acp63_suspend(struct device *dev)
 {
 	struct acp63_dev_data *adata;
-	int ret;
+	int ret = 0;
 
 	adata = dev_get_drvdata(dev);
-	ret = acp63_deinit(adata->acp63_base, dev);
-	if (ret)
-		dev_err(dev, "ACP de-init failed\n");
+	if (adata->acp_reset) {
+		ret = acp63_deinit(adata->acp63_base, dev);
+		if (ret)
+			dev_err(dev, "ACP de-init failed\n");
+	}
 	return ret;
 }
 
 static int __maybe_unused snd_acp63_resume(struct device *dev)
 {
 	struct acp63_dev_data *adata;
-	int ret;
+	int ret = 0;
 
 	adata = dev_get_drvdata(dev);
-	ret = acp63_init(adata->acp63_base, dev);
-	if (ret)
-		dev_err(dev, "ACP init failed\n");
+	if (adata->acp_reset) {
+		ret = acp63_init(adata->acp63_base, dev);
+		if (ret)
+			dev_err(dev, "ACP init failed\n");
+	}
 	return ret;
 }
 
diff --git a/sound/soc/amd/ps/ps-sdw-dma.c b/sound/soc/amd/ps/ps-sdw-dma.c
new file mode 100644
index 000000000000..ade130a8062a
--- /dev/null
+++ b/sound/soc/amd/ps/ps-sdw-dma.c
@@ -0,0 +1,555 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * AMD ALSA SoC Pink Sardine SoundWire DMA Driver
+ *
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ */
+
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <linux/pm_runtime.h>
+#include <linux/soundwire/sdw_amd.h>
+#include "acp63.h"
+
+#define DRV_NAME "amd_ps_sdw_dma"
+
+static struct sdw_dma_ring_buf_reg sdw0_dma_ring_buf_reg[ACP63_SDW0_DMA_MAX_STREAMS] = {
+	{ACP_AUDIO0_TX_DMA_SIZE, ACP_AUDIO0_TX_FIFOADDR, ACP_AUDIO0_TX_FIFOSIZE,
+	 ACP_AUDIO0_TX_RINGBUFSIZE, ACP_AUDIO0_TX_RINGBUFADDR, ACP_AUDIO0_TX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO0_TX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO0_TX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_AUDIO1_TX_DMA_SIZE, ACP_AUDIO1_TX_FIFOADDR, ACP_AUDIO1_TX_FIFOSIZE,
+	 ACP_AUDIO1_TX_RINGBUFSIZE, ACP_AUDIO1_TX_RINGBUFADDR, ACP_AUDIO1_TX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO1_TX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO1_TX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_AUDIO2_TX_DMA_SIZE, ACP_AUDIO2_TX_FIFOADDR, ACP_AUDIO2_TX_FIFOSIZE,
+	 ACP_AUDIO2_TX_RINGBUFSIZE, ACP_AUDIO2_TX_RINGBUFADDR, ACP_AUDIO2_TX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO2_TX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO2_TX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_AUDIO0_RX_DMA_SIZE, ACP_AUDIO0_RX_FIFOADDR, ACP_AUDIO0_RX_FIFOSIZE,
+	 ACP_AUDIO0_RX_RINGBUFSIZE, ACP_AUDIO0_RX_RINGBUFADDR, ACP_AUDIO0_RX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO0_TX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO0_TX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_AUDIO1_RX_DMA_SIZE, ACP_AUDIO1_RX_FIFOADDR, ACP_AUDIO1_RX_FIFOSIZE,
+	 ACP_AUDIO1_RX_RINGBUFSIZE, ACP_AUDIO1_RX_RINGBUFADDR, ACP_AUDIO1_RX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO1_RX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO1_RX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_AUDIO2_RX_DMA_SIZE, ACP_AUDIO2_RX_FIFOADDR, ACP_AUDIO2_RX_FIFOSIZE,
+	 ACP_AUDIO2_RX_RINGBUFSIZE, ACP_AUDIO2_RX_RINGBUFADDR, ACP_AUDIO2_RX_INTR_WATERMARK_SIZE,
+	 ACP_AUDIO2_RX_LINEARPOSITIONCNTR_LOW, ACP_AUDIO2_RX_LINEARPOSITIONCNTR_HIGH}
+};
+
+static struct sdw_dma_ring_buf_reg sdw1_dma_ring_buf_reg[ACP63_SDW1_DMA_MAX_STREAMS] =  {
+	{ACP_P1_AUDIO1_TX_DMA_SIZE, ACP_P1_AUDIO1_TX_FIFOADDR, ACP_P1_AUDIO1_TX_FIFOSIZE,
+	 ACP_P1_AUDIO1_TX_RINGBUFSIZE, ACP_P1_AUDIO1_TX_RINGBUFADDR,
+	 ACP_P1_AUDIO1_TX_INTR_WATERMARK_SIZE,
+	 ACP_P1_AUDIO1_TX_LINEARPOSITIONCNTR_LOW, ACP_P1_AUDIO1_TX_LINEARPOSITIONCNTR_HIGH},
+	{ACP_P1_AUDIO1_RX_DMA_SIZE, ACP_P1_AUDIO1_RX_FIFOADDR, ACP_P1_AUDIO1_RX_FIFOSIZE,
+	 ACP_P1_AUDIO1_RX_RINGBUFSIZE, ACP_P1_AUDIO1_RX_RINGBUFADDR,
+	 ACP_P1_AUDIO1_RX_INTR_WATERMARK_SIZE,
+	 ACP_P1_AUDIO1_RX_LINEARPOSITIONCNTR_LOW, ACP_P1_AUDIO1_RX_LINEARPOSITIONCNTR_HIGH},
+};
+
+static u32 sdw0_dma_enable_reg[ACP63_SDW0_DMA_MAX_STREAMS] = {
+	ACP_SW0_AUDIO0_TX_EN,
+	ACP_SW0_AUDIO1_TX_EN,
+	ACP_SW0_AUDIO2_TX_EN,
+	ACP_SW0_AUDIO0_RX_EN,
+	ACP_SW0_AUDIO1_RX_EN,
+	ACP_SW0_AUDIO2_RX_EN,
+};
+
+static u32 sdw1_dma_enable_reg[ACP63_SDW1_DMA_MAX_STREAMS] = {
+	ACP_SW1_AUDIO1_TX_EN,
+	ACP_SW1_AUDIO1_RX_EN,
+};
+
+static const struct snd_pcm_hardware acp63_sdw_hardware_playback = {
+	.info = SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_BLOCK_TRANSFER |
+		SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+		SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE |  SNDRV_PCM_FMTBIT_S8 |
+		   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
+	.channels_min = 2,
+	.channels_max = 2,
+	.rates = SNDRV_PCM_RATE_48000,
+	.rate_min = 48000,
+	.rate_max = 48000,
+	.buffer_bytes_max = SDW_PLAYBACK_MAX_NUM_PERIODS * SDW_PLAYBACK_MAX_PERIOD_SIZE,
+	.period_bytes_min = SDW_PLAYBACK_MIN_PERIOD_SIZE,
+	.period_bytes_max = SDW_PLAYBACK_MAX_PERIOD_SIZE,
+	.periods_min = SDW_PLAYBACK_MIN_NUM_PERIODS,
+	.periods_max = SDW_PLAYBACK_MAX_NUM_PERIODS,
+};
+
+static const struct snd_pcm_hardware acp63_sdw_hardware_capture = {
+	.info = SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_BLOCK_TRANSFER |
+		SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_MMAP_VALID |
+		SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE |  SNDRV_PCM_FMTBIT_S8 |
+		   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
+	.channels_min = 2,
+	.channels_max = 2,
+	.rates = SNDRV_PCM_RATE_48000,
+	.rate_min = 48000,
+	.rate_max = 48000,
+	.buffer_bytes_max = SDW_CAPTURE_MAX_NUM_PERIODS * SDW_CAPTURE_MAX_PERIOD_SIZE,
+	.period_bytes_min = SDW_CAPTURE_MIN_PERIOD_SIZE,
+	.period_bytes_max = SDW_CAPTURE_MAX_PERIOD_SIZE,
+	.periods_min = SDW_CAPTURE_MIN_NUM_PERIODS,
+	.periods_max = SDW_CAPTURE_MAX_NUM_PERIODS,
+};
+
+static void acp63_enable_disable_sdw_dma_interrupts(void __iomem *acp_base, bool enable)
+{
+	u32 ext_intr_cntl, ext_intr_cntl1;
+	u32 irq_mask = ACP_SDW_DMA_IRQ_MASK;
+	u32 irq_mask1 = ACP_P1_SDW_DMA_IRQ_MASK;
+
+	if (enable) {
+		ext_intr_cntl = readl(acp_base + ACP_EXTERNAL_INTR_CNTL);
+		ext_intr_cntl |= irq_mask;
+		writel(ext_intr_cntl, acp_base + ACP_EXTERNAL_INTR_CNTL);
+		ext_intr_cntl1 = readl(acp_base + ACP_EXTERNAL_INTR_CNTL1);
+		ext_intr_cntl1 |= irq_mask1;
+		writel(ext_intr_cntl1, acp_base + ACP_EXTERNAL_INTR_CNTL1);
+	} else {
+		ext_intr_cntl = readl(acp_base + ACP_EXTERNAL_INTR_CNTL);
+		ext_intr_cntl &= ~irq_mask;
+		writel(ext_intr_cntl, acp_base + ACP_EXTERNAL_INTR_CNTL);
+		ext_intr_cntl1 = readl(acp_base + ACP_EXTERNAL_INTR_CNTL1);
+		ext_intr_cntl1 &= ~irq_mask1;
+		writel(ext_intr_cntl1, acp_base + ACP_EXTERNAL_INTR_CNTL1);
+	}
+}
+
+static void acp63_config_dma(struct acp_sdw_dma_stream *stream, void __iomem *acp_base,
+			     u32 stream_id)
+{
+	u16 page_idx;
+	u32 low, high, val;
+	u32 sdw_dma_pte_offset;
+	dma_addr_t addr;
+
+	addr = stream->dma_addr;
+	sdw_dma_pte_offset = SDW_PTE_OFFSET(stream->instance);
+	val = sdw_dma_pte_offset + (stream_id * ACP_SDW_PTE_OFFSET);
+
+	/* Group Enable */
+	writel(ACP_SDW_SRAM_PTE_OFFSET | BIT(31), acp_base + ACPAXI2AXI_ATU_BASE_ADDR_GRP_2);
+	writel(PAGE_SIZE_4K_ENABLE, acp_base + ACPAXI2AXI_ATU_PAGE_SIZE_GRP_2);
+	for (page_idx = 0; page_idx < stream->num_pages; page_idx++) {
+		/* Load the low address of page int ACP SRAM through SRBM */
+		low = lower_32_bits(addr);
+		high = upper_32_bits(addr);
+
+		writel(low, acp_base + ACP_SCRATCH_REG_0 + val);
+		high |= BIT(31);
+		writel(high, acp_base + ACP_SCRATCH_REG_0 + val + 4);
+		val += 8;
+		addr += PAGE_SIZE;
+	}
+	writel(0x1, acp_base + ACPAXI2AXI_ATU_CTRL);
+}
+
+static int acp63_configure_sdw_ringbuffer(void __iomem *acp_base, u32 stream_id, u32 size,
+					  u32 manager_instance)
+{
+	u32 reg_dma_size;
+	u32 reg_fifo_addr;
+	u32 reg_fifo_size;
+	u32 reg_ring_buf_size;
+	u32 reg_ring_buf_addr;
+	u32 sdw_fifo_addr;
+	u32 sdw_fifo_offset;
+	u32 sdw_ring_buf_addr;
+	u32 sdw_ring_buf_size;
+	u32 sdw_mem_window_offset;
+
+	switch (manager_instance) {
+	case ACP_SDW0:
+		reg_dma_size = sdw0_dma_ring_buf_reg[stream_id].reg_dma_size;
+		reg_fifo_addr =	sdw0_dma_ring_buf_reg[stream_id].reg_fifo_addr;
+		reg_fifo_size = sdw0_dma_ring_buf_reg[stream_id].reg_fifo_size;
+		reg_ring_buf_size = sdw0_dma_ring_buf_reg[stream_id].reg_ring_buf_size;
+		reg_ring_buf_addr = sdw0_dma_ring_buf_reg[stream_id].reg_ring_buf_addr;
+		break;
+	case ACP_SDW1:
+		reg_dma_size = sdw1_dma_ring_buf_reg[stream_id].reg_dma_size;
+		reg_fifo_addr =	sdw1_dma_ring_buf_reg[stream_id].reg_fifo_addr;
+		reg_fifo_size = sdw1_dma_ring_buf_reg[stream_id].reg_fifo_size;
+		reg_ring_buf_size = sdw1_dma_ring_buf_reg[stream_id].reg_ring_buf_size;
+		reg_ring_buf_addr = sdw1_dma_ring_buf_reg[stream_id].reg_ring_buf_addr;
+		break;
+	default:
+		return -EINVAL;
+	}
+	sdw_fifo_offset = ACP_SDW_FIFO_OFFSET(manager_instance);
+	sdw_mem_window_offset = SDW_MEM_WINDOW_START(manager_instance);
+	sdw_fifo_addr = sdw_fifo_offset + (stream_id * SDW_FIFO_OFFSET);
+	sdw_ring_buf_addr = sdw_mem_window_offset + (stream_id * ACP_SDW_RING_BUFF_ADDR_OFFSET);
+	sdw_ring_buf_size = size;
+	writel(sdw_ring_buf_size, acp_base + reg_ring_buf_size);
+	writel(sdw_ring_buf_addr, acp_base + reg_ring_buf_addr);
+	writel(sdw_fifo_addr, acp_base + reg_fifo_addr);
+	writel(SDW_DMA_SIZE, acp_base + reg_dma_size);
+	writel(SDW_FIFO_SIZE, acp_base + reg_fifo_size);
+	return 0;
+}
+
+static int acp63_sdw_dma_open(struct snd_soc_component *component,
+			      struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime;
+	struct acp_sdw_dma_stream *stream;
+	struct snd_soc_dai *cpu_dai;
+	struct amd_sdw_manager *amd_manager;
+	struct snd_soc_pcm_runtime *prtd = substream->private_data;
+	int ret;
+
+	runtime = substream->runtime;
+	cpu_dai = asoc_rtd_to_cpu(prtd, 0);
+	amd_manager = snd_soc_dai_get_drvdata(cpu_dai);
+	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+	if (!stream)
+		return -ENOMEM;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		runtime->hw = acp63_sdw_hardware_playback;
+	else
+		runtime->hw = acp63_sdw_hardware_capture;
+	ret = snd_pcm_hw_constraint_integer(runtime,
+					    SNDRV_PCM_HW_PARAM_PERIODS);
+	if (ret < 0) {
+		dev_err(component->dev, "set integer constraint failed\n");
+		kfree(stream);
+		return ret;
+	}
+
+	stream->stream_id = cpu_dai->id;
+	stream->instance = amd_manager->instance;
+	runtime->private_data = stream;
+	return ret;
+}
+
+static int acp63_sdw_dma_hw_params(struct snd_soc_component *component,
+				   struct snd_pcm_substream *substream,
+				   struct snd_pcm_hw_params *params)
+{
+	struct acp_sdw_dma_stream *stream;
+	struct sdw_dma_dev_data *sdw_data;
+	u32 period_bytes;
+	u32 water_mark_size_reg;
+	u32 irq_mask, ext_intr_ctrl;
+	u64 size;
+	u32 stream_id;
+	u32 acp_ext_intr_cntl_reg;
+	int ret;
+
+	sdw_data = dev_get_drvdata(component->dev);
+	stream = substream->runtime->private_data;
+	if (!stream)
+		return -EINVAL;
+	stream_id = stream->stream_id;
+	switch (stream->instance) {
+	case ACP_SDW0:
+		sdw_data->sdw0_dma_stream[stream_id] = substream;
+		water_mark_size_reg = sdw0_dma_ring_buf_reg[stream_id].water_mark_size_reg;
+		acp_ext_intr_cntl_reg = ACP_EXTERNAL_INTR_CNTL;
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			irq_mask = BIT(SDW0_DMA_TX_IRQ_MASK(stream_id));
+		else
+			irq_mask = BIT(SDW0_DMA_RX_IRQ_MASK(stream_id));
+		break;
+	case ACP_SDW1:
+		sdw_data->sdw1_dma_stream[stream_id] = substream;
+		acp_ext_intr_cntl_reg = ACP_EXTERNAL_INTR_CNTL1;
+		water_mark_size_reg = sdw1_dma_ring_buf_reg[stream_id].water_mark_size_reg;
+		irq_mask = BIT(SDW1_DMA_IRQ_MASK(stream_id));
+		break;
+	default:
+		return -EINVAL;
+	}
+	size = params_buffer_bytes(params);
+	period_bytes = params_period_bytes(params);
+	stream->dma_addr = substream->runtime->dma_addr;
+	stream->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
+	acp63_config_dma(stream, sdw_data->acp_base, stream_id);
+	ret = acp63_configure_sdw_ringbuffer(sdw_data->acp_base, stream_id, size,
+					     stream->instance);
+	if (ret) {
+		dev_err(component->dev, "Invalid DMA channel\n");
+		return -EINVAL;
+	}
+	ext_intr_ctrl = readl(sdw_data->acp_base + acp_ext_intr_cntl_reg);
+	ext_intr_ctrl |= irq_mask;
+	writel(ext_intr_ctrl, sdw_data->acp_base + acp_ext_intr_cntl_reg);
+	writel(period_bytes, sdw_data->acp_base + water_mark_size_reg);
+	return 0;
+}
+
+static u64 acp63_sdw_get_byte_count(struct acp_sdw_dma_stream *stream, void __iomem *acp_base)
+{
+	union acp_sdw_dma_count byte_count;
+	u32 pos_low_reg, pos_high_reg;
+
+	byte_count.bytescount = 0;
+	switch (stream->instance) {
+	case ACP_SDW0:
+		pos_low_reg = sdw0_dma_ring_buf_reg[stream->stream_id].pos_low_reg;
+		pos_high_reg = sdw0_dma_ring_buf_reg[stream->stream_id].pos_high_reg;
+		break;
+	case ACP_SDW1:
+		pos_low_reg = sdw1_dma_ring_buf_reg[stream->stream_id].pos_low_reg;
+		pos_high_reg = sdw1_dma_ring_buf_reg[stream->stream_id].pos_high_reg;
+		break;
+	default:
+		return -EINVAL;
+	}
+	if (pos_low_reg) {
+		byte_count.bcount.high = readl(acp_base + pos_high_reg);
+		byte_count.bcount.low = readl(acp_base + pos_low_reg);
+	}
+	return byte_count.bytescount;
+}
+
+static snd_pcm_uframes_t acp63_sdw_dma_pointer(struct snd_soc_component *comp,
+					       struct snd_pcm_substream *substream)
+{
+	struct sdw_dma_dev_data *sdw_data;
+	struct acp_sdw_dma_stream *stream;
+	u32 pos, buffersize;
+	u64 bytescount;
+
+	sdw_data = dev_get_drvdata(comp->dev);
+	stream = substream->runtime->private_data;
+	buffersize = frames_to_bytes(substream->runtime,
+				     substream->runtime->buffer_size);
+	bytescount = acp63_sdw_get_byte_count(stream, sdw_data->acp_base);
+	if (bytescount > stream->bytescount)
+		bytescount -= stream->bytescount;
+	pos = do_div(bytescount, buffersize);
+	return bytes_to_frames(substream->runtime, pos);
+}
+
+static int acp63_sdw_dma_new(struct snd_soc_component *component,
+			     struct snd_soc_pcm_runtime *rtd)
+{
+	struct device *parent = component->dev->parent;
+
+	snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+				       parent, SDW_MIN_BUFFER, SDW_MAX_BUFFER);
+	return 0;
+}
+
+static int acp63_sdw_dma_close(struct snd_soc_component *component,
+			       struct snd_pcm_substream *substream)
+{
+	struct sdw_dma_dev_data *sdw_data;
+	struct acp_sdw_dma_stream *stream;
+
+	sdw_data = dev_get_drvdata(component->dev);
+	stream = substream->runtime->private_data;
+	if (!stream)
+		return -EINVAL;
+	switch (stream->instance) {
+	case ACP_SDW0:
+		sdw_data->sdw0_dma_stream[stream->stream_id] = NULL;
+		break;
+	case ACP_SDW1:
+		sdw_data->sdw1_dma_stream[stream->stream_id] = NULL;
+		break;
+	default:
+		return -EINVAL;
+	}
+	kfree(stream);
+	return 0;
+}
+
+static int acp63_sdw_dma_enable(struct snd_pcm_substream *substream,
+				void __iomem *acp_base, bool sdw_dma_enable)
+{
+	struct acp_sdw_dma_stream *stream;
+	u32 stream_id;
+	u32 sdw_dma_en_reg;
+	u32 sdw_dma_en_stat_reg;
+	u32 sdw_dma_stat;
+	u32 dma_enable;
+
+	stream = substream->runtime->private_data;
+	stream_id = stream->stream_id;
+	switch (stream->instance) {
+	case ACP_SDW0:
+		sdw_dma_en_reg = sdw0_dma_enable_reg[stream_id];
+		break;
+	case ACP_SDW1:
+		sdw_dma_en_reg = sdw1_dma_enable_reg[stream_id];
+		break;
+	default:
+		return -EINVAL;
+	}
+	sdw_dma_en_stat_reg = sdw_dma_en_reg + 4;
+	dma_enable = sdw_dma_enable;
+	writel(dma_enable, acp_base + sdw_dma_en_reg);
+	return readl_poll_timeout(acp_base + sdw_dma_en_stat_reg, sdw_dma_stat,
+				  (sdw_dma_stat == dma_enable), ACP_DELAY_US, ACP_COUNTER);
+}
+
+static int acp63_sdw_dma_trigger(struct snd_soc_component *comp,
+				 struct snd_pcm_substream *substream,
+				 int cmd)
+{
+	struct sdw_dma_dev_data *sdw_data;
+	int ret;
+
+	sdw_data = dev_get_drvdata(comp->dev);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		ret = acp63_sdw_dma_enable(substream, sdw_data->acp_base, true);
+		break;
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_STOP:
+		ret = acp63_sdw_dma_enable(substream, sdw_data->acp_base, false);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	if (ret)
+		dev_err(comp->dev, "trigger %d failed: %d", cmd, ret);
+	return ret;
+}
+
+static const struct snd_soc_component_driver acp63_sdw_component = {
+	.name		= DRV_NAME,
+	.open		= acp63_sdw_dma_open,
+	.close		= acp63_sdw_dma_close,
+	.hw_params	= acp63_sdw_dma_hw_params,
+	.trigger	= acp63_sdw_dma_trigger,
+	.pointer	= acp63_sdw_dma_pointer,
+	.pcm_construct	= acp63_sdw_dma_new,
+};
+
+static int acp63_sdw_platform_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct sdw_dma_dev_data *sdw_data;
+	struct acp63_dev_data *acp_data;
+	struct device *parent;
+	int status;
+
+	parent = pdev->dev.parent;
+	acp_data = dev_get_drvdata(parent);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
+		return -ENODEV;
+	}
+
+	sdw_data = devm_kzalloc(&pdev->dev, sizeof(*sdw_data), GFP_KERNEL);
+	if (!sdw_data)
+		return -ENOMEM;
+
+	sdw_data->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+	if (!sdw_data->acp_base)
+		return -ENOMEM;
+
+	sdw_data->acp_lock = &acp_data->acp_lock;
+	dev_set_drvdata(&pdev->dev, sdw_data);
+	status = devm_snd_soc_register_component(&pdev->dev,
+						 &acp63_sdw_component,
+						 NULL, 0);
+	if (status) {
+		dev_err(&pdev->dev, "Fail to register sdw dma component\n");
+		return status;
+	}
+	pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);
+	pm_runtime_use_autosuspend(&pdev->dev);
+	pm_runtime_mark_last_busy(&pdev->dev);
+	pm_runtime_set_active(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+	return 0;
+}
+
+static int acp63_sdw_platform_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	return 0;
+}
+
+static int acp_restore_sdw_dma_config(struct sdw_dma_dev_data *sdw_data)
+{
+	struct acp_sdw_dma_stream *stream;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_runtime *runtime;
+	u32 period_bytes, buf_size, water_mark_size_reg;
+	u32 stream_count;
+	int index, instance, ret;
+
+	for (instance = 0; instance < AMD_SDW_MAX_MANAGERS; instance++) {
+		if (instance == ACP_SDW0)
+			stream_count = ACP63_SDW0_DMA_MAX_STREAMS;
+		else
+			stream_count = ACP63_SDW1_DMA_MAX_STREAMS;
+
+		for (index = 0; index < stream_count; index++) {
+			if (instance == ACP_SDW0) {
+				substream = sdw_data->sdw0_dma_stream[index];
+				water_mark_size_reg =
+						sdw0_dma_ring_buf_reg[index].water_mark_size_reg;
+			} else {
+				substream = sdw_data->sdw1_dma_stream[index];
+				water_mark_size_reg =
+						sdw1_dma_ring_buf_reg[index].water_mark_size_reg;
+			}
+
+			if (substream && substream->runtime) {
+				runtime = substream->runtime;
+				stream = runtime->private_data;
+				period_bytes = frames_to_bytes(runtime, runtime->period_size);
+				buf_size = frames_to_bytes(runtime, runtime->buffer_size);
+				acp63_config_dma(stream, sdw_data->acp_base, index);
+				ret = acp63_configure_sdw_ringbuffer(sdw_data->acp_base, index,
+								     buf_size, instance);
+				if (ret)
+					return ret;
+				writel(period_bytes, sdw_data->acp_base + water_mark_size_reg);
+			}
+		}
+	}
+	acp63_enable_disable_sdw_dma_interrupts(sdw_data->acp_base, true);
+	return 0;
+}
+
+static int __maybe_unused acp63_sdw_pcm_resume(struct device *dev)
+{
+	struct sdw_dma_dev_data *sdw_data;
+
+	sdw_data = dev_get_drvdata(dev);
+	return acp_restore_sdw_dma_config(sdw_data);
+}
+
+static const struct dev_pm_ops acp63_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(NULL, acp63_sdw_pcm_resume)
+};
+
+static struct platform_driver acp63_sdw_dma_driver = {
+	.probe = acp63_sdw_platform_probe,
+	.remove = acp63_sdw_platform_remove,
+	.driver = {
+		.name = "amd_ps_sdw_dma",
+		.pm = &acp63_pm_ops,
+	},
+};
+
+module_platform_driver(acp63_sdw_dma_driver);
+
+MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
+MODULE_DESCRIPTION("AMD ACP6.3 PS SDW DMA Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);