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administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add common code for scanning acp pdm controller and create platform device for the same. Signed-off-by: Syed Saba Kareem --- sound/soc/amd/acp/acp-legacy-common.c | 52 +++++++++++++++++++++++++++ sound/soc/amd/acp/acp-pci.c | 11 +++++- sound/soc/amd/acp/amd.h | 22 ++++++++++++ sound/soc/amd/acp/chip_offset_byte.h | 1 + sound/soc/amd/mach-config.h | 1 + 5 files changed, 86 insertions(+), 1 deletion(-) diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c index e16ef94e6336..af85a153a770 100644 --- a/sound/soc/amd/acp/acp-legacy-common.c +++ b/sound/soc/amd/acp/acp-legacy-common.c @@ -16,6 +16,10 @@ #include #include +#define ACP_RENOIR_PDM_ADDR 0x02 +#define ACP_REMBRANDT_PDM_ADDR 0x03 +#define ACP63_PDM_ADDR 0x02 + void acp_enable_interrupts(struct acp_dev_data *adata) { struct acp_resource *rsrc = adata->rsrc; @@ -348,4 +352,52 @@ int smn_read(struct pci_dev *dev, u32 smn_addr) } EXPORT_SYMBOL_NS_GPL(smn_read, SND_SOC_ACP_COMMON); +int check_acp_pdm(struct pci_dev *pci, struct acp_chip_info *chip) +{ + struct acpi_device *pdm_dev; + const union acpi_object *obj; + u32 pdm_addr, val; + + val = readl(chip->base + ACP_PIN_CONFIG); + switch (val) { + case ACP_CONFIG_4: + case ACP_CONFIG_5: + case ACP_CONFIG_6: + case ACP_CONFIG_7: + case ACP_CONFIG_8: + case ACP_CONFIG_10: + case ACP_CONFIG_11: + case ACP_CONFIG_12: + case ACP_CONFIG_13: + case ACP_CONFIG_14: + break; + default: + return -EINVAL; + } + + switch (chip->acp_rev) { + case ACP3X_DEV: + pdm_addr = ACP_RENOIR_PDM_ADDR; + break; + case ACP6X_DEV: + pdm_addr = ACP_REMBRANDT_PDM_ADDR; + break; + case ACP63_DEV: + pdm_addr = ACP63_PDM_ADDR; + break; + default: + return -EINVAL; + } + + pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), pdm_addr, 0); + if (pdm_dev) { + if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type", + ACPI_TYPE_INTEGER, &obj) && + obj->integer.value == pdm_addr) + return 0; + } + return -ENODEV; +} +EXPORT_SYMBOL_NS_GPL(check_acp_pdm, SND_SOC_ACP_COMMON); + MODULE_LICENSE("Dual BSD/GPL"); diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index d7fc4a0e9245..bbf079d47dc4 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -55,7 +55,7 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id int ret; flag = snd_amd_acp_find_config(pci); - if (flag != FLAG_AMD_LEGACY) + if (flag != FLAG_AMD_LEGACY && flag != FLAG_AMD_LEGACY_ONLY_DMIC) return -ENODEV; chip = devm_kzalloc(&pci->dev, sizeof(*chip), GFP_KERNEL); @@ -129,6 +129,13 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id } } + if (flag == FLAG_AMD_LEGACY_ONLY_DMIC) { + ret = check_acp_pdm(pci, chip); + if (ret < 0) + goto skip_pdev_creation; + } + + chip->flag = flag; memset(&pdevinfo, 0, sizeof(pdevinfo)); pdevinfo.name = chip->name; @@ -145,6 +152,8 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id ret = PTR_ERR(pdev); goto unregister_dmic_dev; } + +skip_pdev_creation: chip->chip_pdev = pdev; dev_set_drvdata(&pci->dev, chip); pm_runtime_set_autosuspend_delay(&pci->dev, 2000); diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h index 87d1e1f7d6b6..2ffe1effc6b5 100644 --- a/sound/soc/amd/acp/amd.h +++ b/sound/soc/amd/acp/amd.h @@ -133,6 +133,7 @@ struct acp_chip_info { unsigned int acp_rev; /* ACP Revision id */ void __iomem *base; /* ACP memory PCI base */ struct platform_device *chip_pdev; + unsigned int flag; /* Distinguish b/w Legacy or Only PDM */ }; struct acp_stream { @@ -188,6 +189,25 @@ struct acp_dev_data { u32 xfer_rx_resolution[3]; }; +enum acp_config { + ACP_CONFIG_0 = 0, + ACP_CONFIG_1, + ACP_CONFIG_2, + ACP_CONFIG_3, + ACP_CONFIG_4, + ACP_CONFIG_5, + ACP_CONFIG_6, + ACP_CONFIG_7, + ACP_CONFIG_8, + ACP_CONFIG_9, + ACP_CONFIG_10, + ACP_CONFIG_11, + ACP_CONFIG_12, + ACP_CONFIG_13, + ACP_CONFIG_14, + ACP_CONFIG_15, +}; + extern const struct snd_soc_dai_ops asoc_acp_cpu_dai_ops; extern const struct snd_soc_dai_ops acp_dmic_dai_ops; @@ -214,6 +234,8 @@ void restore_acp_pdm_params(struct snd_pcm_substream *substream, int restore_acp_i2s_params(struct snd_pcm_substream *substream, struct acp_dev_data *adata, struct acp_stream *stream); +int check_acp_pdm(struct pci_dev *pci, struct acp_chip_info *chip); + 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; diff --git a/sound/soc/amd/acp/chip_offset_byte.h b/sound/soc/amd/acp/chip_offset_byte.h index ce3948e0679c..cfd6c4d07594 100644 --- a/sound/soc/amd/acp/chip_offset_byte.h +++ b/sound/soc/amd/acp/chip_offset_byte.h @@ -19,6 +19,7 @@ #define ACP_PGFSM_STATUS 0x1420 #define ACP_SOFT_RESET 0x1000 #define ACP_CONTROL 0x1004 +#define ACP_PIN_CONFIG 0x1440 #define ACP_EXTERNAL_INTR_REG_ADDR(adata, offset, ctrl) \ (adata->acp_base + adata->rsrc->irq_reg_offset + offset + (ctrl * 0x04)) diff --git a/sound/soc/amd/mach-config.h b/sound/soc/amd/mach-config.h index d392e6d6e6e1..e6b520459164 100644 --- a/sound/soc/amd/mach-config.h +++ b/sound/soc/amd/mach-config.h @@ -15,6 +15,7 @@ #define FLAG_AMD_SOF BIT(1) #define FLAG_AMD_SOF_ONLY_DMIC BIT(2) #define FLAG_AMD_LEGACY BIT(3) +#define FLAG_AMD_LEGACY_ONLY_DMIC BIT(4) #define ACP_PCI_DEV_ID 0x15E2