[PATCH 02/14] ASoC: amd: acp: Implement acp_common_hw_ops support for acp platforms

[Venkata Prasad Potturu]

Implement acp common hardware ops for acp_init and acp_deinit
funcions to support commons ops for all platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
---
 sound/soc/amd/acp/acp-legacy-common.c | 50 +++++++++++++++++++++++++++
 sound/soc/amd/acp/acp-pci.c           | 13 ++++---
 sound/soc/amd/acp/amd.h               | 36 +++++++++++++++++++
 3 files changed, 95 insertions(+), 4 deletions(-)

diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c
index 89f5cda18a23..f87a2da8c641 100644
--- a/sound/soc/amd/acp/acp-legacy-common.c
+++ b/sound/soc/amd/acp/acp-legacy-common.c
@@ -21,6 +21,12 @@
 #define ACP63_PDM_ADDR		0x02
 #define ACP70_PDM_ADDR		0x02
 
+const struct snd_acp_hw_ops acp_common_hw_ops = {
+	/* ACP hardware initilizations */
+	.acp_init = acp_init,
+	.acp_deinit = acp_deinit,
+};
+EXPORT_SYMBOL_NS_GPL(acp_common_hw_ops, "SND_SOC_ACP_COMMON");
 void acp_enable_interrupts(struct acp_dev_data *adata)
 {
 	struct acp_resource *rsrc = adata->rsrc;
@@ -463,5 +469,49 @@ void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip)
 }
 EXPORT_SYMBOL_NS_GPL(check_acp_config, "SND_SOC_ACP_COMMON");
 
+struct snd_acp_hw_ops acp31_common_hw_ops;
+EXPORT_SYMBOL_NS_GPL(acp31_common_hw_ops, "SND_SOC_ACP_COMMON");
+int acp31_hw_ops_init(struct acp_chip_info *chip)
+{
+	memcpy(&acp31_common_hw_ops, &acp_common_hw_ops, sizeof(acp_common_hw_ops));
+	chip->acp_hw_ops = &acp31_common_hw_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp31_hw_ops_init, "SND_SOC_ACP_COMMON");
+
+struct snd_acp_hw_ops acp6x_common_hw_ops;
+EXPORT_SYMBOL_NS_GPL(acp6x_common_hw_ops, "SND_SOC_ACP_COMMON");
+int acp6x_hw_ops_init(struct acp_chip_info *chip)
+{
+	memcpy(&acp6x_common_hw_ops, &acp_common_hw_ops, sizeof(acp_common_hw_ops));
+	chip->acp_hw_ops = &acp6x_common_hw_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp6x_hw_ops_init, "SND_SOC_ACP_COMMON");
+
+struct snd_acp_hw_ops acp63_common_hw_ops;
+EXPORT_SYMBOL_NS_GPL(acp63_common_hw_ops, "SND_SOC_ACP_COMMON");
+int acp63_hw_ops_init(struct acp_chip_info *chip)
+{
+	memcpy(&acp63_common_hw_ops, &acp_common_hw_ops, sizeof(acp_common_hw_ops));
+	chip->acp_hw_ops = &acp63_common_hw_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp63_hw_ops_init, "SND_SOC_ACP_COMMON");
+
+struct snd_acp_hw_ops acp70_common_hw_ops;
+EXPORT_SYMBOL_NS_GPL(acp70_common_hw_ops, "SND_SOC_ACP_COMMON");
+int acp70_hw_ops_init(struct acp_chip_info *chip)
+{
+	memcpy(&acp70_common_hw_ops, &acp_common_hw_ops, sizeof(acp_common_hw_ops));
+	chip->acp_hw_ops = &acp70_common_hw_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(acp70_hw_ops_init, "SND_SOC_ACP_COMMON");
+
 MODULE_DESCRIPTION("AMD ACP legacy common features");
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index dcd92d716e78..b5eabd0280bc 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -81,16 +81,20 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
 	switch (pci->revision) {
 	case 0x01:
 		chip->name = "acp_asoc_renoir";
+		chip->acp_hw_ops_init = acp31_hw_ops_init;
 		break;
 	case 0x6f:
 		chip->name = "acp_asoc_rembrandt";
+		chip->acp_hw_ops_init = acp6x_hw_ops_init;
 		break;
 	case 0x63:
 		chip->name = "acp_asoc_acp63";
+		chip->acp_hw_ops_init = acp63_hw_ops_init;
 		break;
 	case 0x70:
 	case 0x71:
 		chip->name = "acp_asoc_acp70";
+		chip->acp_hw_ops_init = acp70_hw_ops_init;
 		break;
 	default:
 		dev_err(dev, "Unsupported device revision:0x%x\n", pci->revision);
@@ -112,7 +116,8 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
 		goto unregister_dmic_dev;
 	}
 
-	ret = acp_init(chip);
+	chip->acp_hw_ops_init(chip);
+	ret = acp_hw_init(chip);
 	if (ret)
 		goto unregister_dmic_dev;
 
@@ -179,7 +184,7 @@ static int __maybe_unused snd_acp_suspend(struct device *dev)
 	int ret;
 
 	chip = dev_get_drvdata(dev);
-	ret = acp_deinit(chip);
+	ret = acp_hw_deinit(chip);
 	if (ret)
 		dev_err(dev, "ACP de-init failed\n");
 	return ret;
@@ -193,7 +198,7 @@ static int __maybe_unused snd_acp_resume(struct device *dev)
 	int ret;
 
 	chip = dev_get_drvdata(dev);
-	ret = acp_init(chip);
+	ret = acp_hw_init(chip);
 	if (ret)
 		dev_err(dev, "ACP init failed\n");
 	if (chip->chip_pdev) {
@@ -222,7 +227,7 @@ static void acp_pci_remove(struct pci_dev *pci)
 		platform_device_unregister(dmic_dev);
 	if (pdev)
 		platform_device_unregister(pdev);
-	ret = acp_deinit(chip);
+	ret = acp_hw_deinit(chip);
 	if (ret)
 		dev_err(&pci->dev, "ACP de-init failed\n");
 }
diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h
index c921bcabbcec..2098afdddc60 100644
--- a/sound/soc/amd/acp/amd.h
+++ b/sound/soc/amd/acp/amd.h
@@ -142,6 +142,8 @@ struct acp_chip_info {
 	char *name;		/* Platform name */
 	unsigned int acp_rev;	/* ACP Revision id */
 	void __iomem *base;	/* ACP memory PCI base */
+	struct snd_acp_hw_ops *acp_hw_ops;
+	int (*acp_hw_ops_init)(struct acp_chip_info *chip);
 	struct platform_device *chip_pdev;
 	unsigned int flag;	/* Distinguish b/w Legacy or Only PDM */
 	bool is_pdm_dev;	/* flag set to true when ACP PDM controller exists */
@@ -203,6 +205,17 @@ struct acp_dev_data {
 	unsigned int flag;
 };
 
+/**
+ * struct snd_acp_hw_ops - ACP PCI driver platform specific ops
+ * @acp_init: ACP initialization
+ * @acp_deinit: ACP de-initialization
+ */
+struct snd_acp_hw_ops {
+	/* ACP hardware initilizations */
+	int (*acp_init)(struct acp_chip_info *chip);
+	int (*acp_deinit)(struct acp_chip_info *chip);
+};
+
 enum acp_config {
 	ACP_CONFIG_0 = 0,
 	ACP_CONFIG_1,
@@ -239,6 +252,15 @@ int acp_init(struct acp_chip_info *chip);
 int acp_deinit(struct acp_chip_info *chip);
 void acp_enable_interrupts(struct acp_dev_data *adata);
 void acp_disable_interrupts(struct acp_dev_data *adata);
+
+extern struct snd_acp_hw_ops acp31_common_hw_ops;
+extern struct snd_acp_hw_ops acp6x_common_hw_ops;
+extern struct snd_acp_hw_ops acp63_common_hw_ops;
+extern struct snd_acp_hw_ops acp70_common_hw_ops;
+extern int acp31_hw_ops_init(struct acp_chip_info *chip);
+extern int acp6x_hw_ops_init(struct acp_chip_info *chip);
+extern int acp63_hw_ops_init(struct acp_chip_info *chip);
+extern int acp70_hw_ops_init(struct acp_chip_info *chip);
 /* Machine configuration */
 int snd_amd_acp_find_config(struct pci_dev *pci);
 
@@ -252,6 +274,20 @@ int restore_acp_i2s_params(struct snd_pcm_substream *substream,
 
 void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip);
 
+static inline int acp_hw_init(struct acp_chip_info *chip)
+{
+	if (chip && chip->acp_hw_ops && chip->acp_hw_ops->acp_init)
+		return chip->acp_hw_ops->acp_init(chip);
+	return -EOPNOTSUPP;
+}
+
+static inline int acp_hw_deinit(struct acp_chip_info *chip)
+{
+	if (chip && chip->acp_hw_ops && chip->acp_hw_ops->acp_init)
+		return chip->acp_hw_ops->acp_deinit(chip);
+	return -EOPNOTSUPP;
+}
+
 static inline u64 acp_get_byte_count(struct acp_dev_data *adata, int dai_id, int direction)
 {
 	u64 byte_count = 0, low = 0, high = 0;
-- 
2.39.2