Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 742 insertions, 0 deletions

diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c
new file mode 100644
index 0000000000..4af3c36653
--- /dev/null
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -0,0 +1,742 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * AMD Pink Sardine ACP PCI Driver
+ *
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ */
+
+#include <linux/pci.h>
+#include <linux/bitops.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/acpi.h>
+#include <linux/interrupt.h>
+#include <sound/pcm_params.h>
+#include <linux/pm_runtime.h>
+#include <linux/iopoll.h>
+#include <linux/soundwire/sdw_amd.h>
+
+#include "acp63.h"
+
+static int acp63_power_on(void __iomem *acp_base)
+{
+	u32 val;
+
+	val = readl(acp_base + ACP_PGFSM_STATUS);
+
+	if (!val)
+		return val;
+
+	if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS)
+		writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL);
+
+	return readl_poll_timeout(acp_base + ACP_PGFSM_STATUS, val, !val, DELAY_US, ACP_TIMEOUT);
+}
+
+static int acp63_reset(void __iomem *acp_base)
+{
+	u32 val;
+	int ret;
+
+	writel(1, acp_base + ACP_SOFT_RESET);
+
+	ret = readl_poll_timeout(acp_base + ACP_SOFT_RESET, val,
+				 val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK,
+				 DELAY_US, ACP_TIMEOUT);
+	if (ret)
+		return ret;
+
+	writel(0, acp_base + ACP_SOFT_RESET);
+
+	return readl_poll_timeout(acp_base + ACP_SOFT_RESET, val, !val, DELAY_US, ACP_TIMEOUT);
+}
+
+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)
+{
+	writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base + ACP_EXTERNAL_INTR_STAT);
+	writel(0, acp_base + ACP_EXTERNAL_INTR_CNTL);
+	writel(0, acp_base + ACP_EXTERNAL_INTR_ENB);
+}
+
+static int acp63_init(void __iomem *acp_base, struct device *dev)
+{
+	int ret;
+
+	ret = acp63_power_on(acp_base);
+	if (ret) {
+		dev_err(dev, "ACP power on failed\n");
+		return ret;
+	}
+	writel(0x01, acp_base + ACP_CONTROL);
+	ret = acp63_reset(acp_base);
+	if (ret) {
+		dev_err(dev, "ACP reset failed\n");
+		return ret;
+	}
+	acp63_enable_interrupts(acp_base);
+	return 0;
+}
+
+static int acp63_deinit(void __iomem *acp_base, struct device *dev)
+{
+	int ret;
+
+	acp63_disable_interrupts(acp_base);
+	ret = acp63_reset(acp_base);
+	if (ret) {
+		dev_err(dev, "ACP reset failed\n");
+		return ret;
+	}
+	writel(0, acp_base + ACP_CONTROL);
+	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;
+	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;
+	}
+
+	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_dbg(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret);
+		return -EINVAL;
+	}
+	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 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_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:
+		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;
+	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,
+					 struct device *parent,
+					 struct fwnode_handle *fw_node,
+					 char *name, unsigned int id,
+					 const struct resource *res,
+					 unsigned int num_res,
+					 const void *data,
+					 size_t size_data)
+{
+	pdevinfo->name = name;
+	pdevinfo->id = id;
+	pdevinfo->parent = parent;
+	pdevinfo->num_res = num_res;
+	pdevinfo->res = res;
+	pdevinfo->data = data;
+	pdevinfo->size_data = size_data;
+	pdevinfo->fwnode = fw_node;
+}
+
+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;
+	int ret;
+
+	parent = &pci->dev;
+	dev_dbg(&pci->dev,
+		"%s pdev_config:0x%x pdev_count:0x%x\n", __func__, adata->pdev_config,
+		adata->pdev_count);
+	if (adata->pdev_config) {
+		adata->res = devm_kzalloc(&pci->dev, sizeof(struct resource), GFP_KERNEL);
+		if (!adata->res) {
+			ret = -ENOMEM;
+			goto de_init;
+		}
+		adata->res->flags = IORESOURCE_MEM;
+		adata->res->start = addr;
+		adata->res->end = addr + (ACP63_REG_END - ACP63_REG_START);
+		memset(&pdevinfo, 0, sizeof(pdevinfo));
+	}
+
+	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);
+		acp63_fill_platform_dev_info(&pdevinfo[1], parent, NULL, "dmic-codec",
+					     0, NULL, 0, NULL, 0);
+		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 or SoundWire manager devices found\n");
+		return 0;
+	}
+
+	for (index = 0; index < adata->pdev_count; index++) {
+		adata->pdev[index] = platform_device_register_full(&pdevinfo[index]);
+		if (IS_ERR(adata->pdev[index])) {
+			dev_err(&pci->dev,
+				"cannot register %s device\n", pdevinfo[index].name);
+			ret = PTR_ERR(adata->pdev[index]);
+			goto unregister_devs;
+		}
+	}
+	return 0;
+unregister_devs:
+	for (--index; index >= 0; index--)
+		platform_device_unregister(adata->pdev[index]);
+de_init:
+	if (acp63_deinit(adata->acp63_base, &pci->dev))
+		dev_err(&pci->dev, "ACP de-init failed\n");
+	return ret;
+}
+
+static int snd_acp63_probe(struct pci_dev *pci,
+			   const struct pci_device_id *pci_id)
+{
+	struct acp63_dev_data *adata;
+	u32 addr;
+	u32 irqflags, flag;
+	int val;
+	int ret;
+
+	irqflags = IRQF_SHARED;
+
+	/* Return if acp config flag is defined */
+	flag = snd_amd_acp_find_config(pci);
+	if (flag)
+		return -ENODEV;
+
+	/* Pink Sardine device check */
+	switch (pci->revision) {
+	case 0x63:
+		break;
+	default:
+		dev_dbg(&pci->dev, "acp63 pci device not found\n");
+		return -ENODEV;
+	}
+	if (pci_enable_device(pci)) {
+		dev_err(&pci->dev, "pci_enable_device failed\n");
+		return -ENODEV;
+	}
+
+	ret = pci_request_regions(pci, "AMD ACP6.2 audio");
+	if (ret < 0) {
+		dev_err(&pci->dev, "pci_request_regions failed\n");
+		goto disable_pci;
+	}
+	adata = devm_kzalloc(&pci->dev, sizeof(struct acp63_dev_data),
+			     GFP_KERNEL);
+	if (!adata) {
+		ret = -ENOMEM;
+		goto release_regions;
+	}
+
+	addr = pci_resource_start(pci, 0);
+	adata->acp63_base = devm_ioremap(&pci->dev, addr,
+					 pci_resource_len(pci, 0));
+	if (!adata->acp63_base) {
+		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_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);
+	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_dbg(&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);
+	pm_runtime_allow(&pci->dev);
+	return 0;
+de_init:
+	if (acp63_deinit(adata->acp63_base, &pci->dev))
+		dev_err(&pci->dev, "ACP de-init failed\n");
+release_regions:
+	pci_release_regions(pci);
+disable_pci:
+	pci_disable_device(pci);
+
+	return ret;
+}
+
+static int __maybe_unused snd_acp63_suspend(struct device *dev)
+{
+	struct acp63_dev_data *adata;
+	int ret = 0;
+
+	adata = dev_get_drvdata(dev);
+	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 = 0;
+
+	adata = dev_get_drvdata(dev);
+	if (adata->acp_reset) {
+		ret = acp63_init(adata->acp63_base, dev);
+		if (ret)
+			dev_err(dev, "ACP init failed\n");
+	}
+	return ret;
+}
+
+static const struct dev_pm_ops acp63_pm_ops = {
+	SET_RUNTIME_PM_OPS(snd_acp63_suspend, snd_acp63_resume, NULL)
+	SET_SYSTEM_SLEEP_PM_OPS(snd_acp63_suspend, snd_acp63_resume)
+};
+
+static void snd_acp63_remove(struct pci_dev *pci)
+{
+	struct acp63_dev_data *adata;
+	int ret, index;
+
+	adata = pci_get_drvdata(pci);
+	for (index = 0; index < adata->pdev_count; index++)
+		platform_device_unregister(adata->pdev[index]);
+	ret = acp63_deinit(adata->acp63_base, &pci->dev);
+	if (ret)
+		dev_err(&pci->dev, "ACP de-init failed\n");
+	pm_runtime_forbid(&pci->dev);
+	pm_runtime_get_noresume(&pci->dev);
+	pci_release_regions(pci);
+	pci_disable_device(pci);
+}
+
+static const struct pci_device_id snd_acp63_ids[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_DEVICE_ID),
+	.class = PCI_CLASS_MULTIMEDIA_OTHER << 8,
+	.class_mask = 0xffffff },
+	{ 0, },
+};
+MODULE_DEVICE_TABLE(pci, snd_acp63_ids);
+
+static struct pci_driver ps_acp63_driver  = {
+	.name = KBUILD_MODNAME,
+	.id_table = snd_acp63_ids,
+	.probe = snd_acp63_probe,
+	.remove = snd_acp63_remove,
+	.driver = {
+		.pm = &acp63_pm_ops,
+	}
+};
+
+module_pci_driver(ps_acp63_driver);
+
+MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
+MODULE_AUTHOR("Syed.SabaKareem@amd.com");
+MODULE_DESCRIPTION("AMD ACP Pink Sardine PCI driver");
+MODULE_LICENSE("GPL v2");