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ASoC: SOF: amd: add ACP7x IRQ handler for DSP IPC

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Add acp7x_irq_handler() and register it from amd_sof_acp7x_probe() for
DSP doorbell IPC interrupts on ACP7.B/7.F.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260701095759.1012929-7-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2026-07-01 15:25:07 +05:30 committed by Mark Brown
parent 78d99c2c5e
commit a3674345f9
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 47 additions and 2 deletions
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49
sound/soc/sof/amd/acp.c
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@ -580,6 +580,35 @@ static irqreturn_t acp_irq_handler(int irq, void *dev_id)
return IRQ_NONE;
}
static irqreturn_t acp7x_irq_handler(int irq, void *dev_id)
{
struct snd_sof_dev *sdev = dev_id;
const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
unsigned int base = desc->dsp_intr_base;
unsigned int val;
unsigned int ext_intr_stat;
int irq_flag = 0;
val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET);
if (val & ACP_DSP_TO_HOST_IRQ) {
snd_sof_dsp_write(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET,
ACP_DSP_TO_HOST_IRQ);
return IRQ_WAKE_THREAD;
}
ext_intr_stat = snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->ext_intr_stat);
if (ext_intr_stat & ACP_ERROR_IRQ_MASK) {
snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->ext_intr_stat, ACP_ERROR_IRQ_MASK);
snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->acp_error_stat, 0);
irq_flag = 1;
}
if (irq_flag)
return IRQ_HANDLED;
return IRQ_NONE;
}
static int acp_power_on(struct snd_sof_dev *sdev)
{
const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
@ -1039,6 +1068,7 @@ int amd_sof_acp7x_probe(struct snd_sof_dev *sdev)
const union acpi_object *obj;
struct acpi_device *adev;
unsigned int addr;
unsigned int irqflags;
int ret;
chip = get_chip_info(sdev->pdata);
@ -1079,6 +1109,16 @@ int amd_sof_acp7x_probe(struct snd_sof_dev *sdev)
adev = ACPI_COMPANION(&pci->dev);
sdev->ipc_irq = pci->irq;
irqflags = IRQF_SHARED;
ret = request_threaded_irq(pci->irq, acp7x_irq_handler, acp_irq_thread,
irqflags, "AudioDSP", sdev);
if (ret < 0) {
dev_err(sdev->dev, "failed to register IRQ %d\n", sdev->ipc_irq);
goto unregister_dev;
}
if (adev) {
if (!acpi_dev_get_property(adev, "acp-sof-signed-firmware-image",
ACPI_TYPE_INTEGER, &obj))
@ -1099,13 +1139,13 @@ int amd_sof_acp7x_probe(struct snd_sof_dev *sdev)
"sof-%s-code.bin", chip->name);
if (!adata->fw_code_bin) {
ret = -ENOMEM;
goto unregister_dev;
goto free_ipc_irq;
}
adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
"sof-%s-data.bin", chip->name);
if (!adata->fw_data_bin) {
ret = -ENOMEM;
goto unregister_dev;
goto free_ipc_irq;
}
}
@ -1115,6 +1155,8 @@ int amd_sof_acp7x_probe(struct snd_sof_dev *sdev)
return 0;
free_ipc_irq:
free_irq(sdev->ipc_irq, sdev);
unregister_dev:
platform_device_unregister(adata->dmic_dev);
return ret;
@ -1125,6 +1167,9 @@ void amd_sof_acp7x_remove(struct snd_sof_dev *sdev)
{
struct acp_dev_data *adata = sdev->pdata->hw_pdata;
if (sdev->ipc_irq)
free_irq(sdev->ipc_irq, sdev);
if (adata->dmic_dev)
platform_device_unregister(adata->dmic_dev);