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Message-ID: <20250310104601.7325-3-venkataprasad.potturu@amd.com>
Date: Mon, 10 Mar 2025 16:15:49 +0530
From: Venkata Prasad Potturu <venkataprasad.potturu@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC: <Vijendar.Mukunda@....com>, <mario.limonciello@....com>,
<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>,
<syed.sabakareem@....com>, Venkata Prasad Potturu
<venkataprasad.potturu@....com>, Liam Girdwood <lgirdwood@...il.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Jeff Johnson
<quic_jjohnson@...cinc.com>, Peter Zijlstra <peterz@...radead.org>, Greg KH
<gregkh@...uxfoundation.org>, "open list:SOUND - SOC LAYER / DYNAMIC AUDIO
POWER MANAGEM..." <linux-sound@...r.kernel.org>, open list
<linux-kernel@...r.kernel.org>
Subject: [PATCH 02/14] ASoC: amd: acp: Implement acp_common_hw_ops support for acp platforms
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@....com>
---
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
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