diff options
Diffstat (limited to 'sound/soc/sof/amd/acp.c')
| -rw-r--r-- | sound/soc/sof/amd/acp.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index fe9b7dc5bc86..71d71c152342 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -36,19 +36,6 @@ static int smn_read(struct pci_dev *dev, u32 smn_addr, u32 *data) return 0; } -static void configure_acp_groupregisters(struct acp_dev_data *adata) -{ - struct snd_sof_dev *sdev = adata->dev; - - /* Group Enable */ - snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACPAXI2AXI_ATU_BASE_ADDR_GRP_1, - ACP_SRAM_PTE_OFFSET | BIT(31)); - snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACPAXI2AXI_ATU_PAGE_SIZE_GRP_1, - PAGE_SIZE_4K_ENABLE); - - snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACPAXI2AXI_ATU_CTRL, ACP_ATU_CACHE_INVALID); -} - static void init_dma_descriptor(struct acp_dev_data *adata) { struct snd_sof_dev *sdev = adata->dev; @@ -264,7 +251,6 @@ static int acp_memory_init(struct snd_sof_dev *sdev) snd_sof_dsp_update_bits(sdev, ACP_DSP_BAR, ACP_DSP_SW_INTR_CNTL, ACP_DSP_INTR_EN_MASK, ACP_DSP_INTR_EN_MASK); - configure_acp_groupregisters(adata); init_dma_descriptor(adata); return 0; @@ -273,7 +259,7 @@ static int acp_memory_init(struct snd_sof_dev *sdev) static irqreturn_t acp_irq_thread(int irq, void *context) { struct snd_sof_dev *sdev = context; - unsigned int val; + unsigned int val, count = ACP_HW_SEM_RETRY_COUNT; val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_EXTERNAL_INTR_STAT); if (val & ACP_SHA_STAT) { @@ -284,9 +270,22 @@ static irqreturn_t acp_irq_thread(int irq, void *context) val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DSP_SW_INTR_STAT); if (val & ACP_DSP_TO_HOST_IRQ) { + while (snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_AXI2DAGB_SEM_0)) { + /* Wait until acquired HW Semaphore lock or timeout */ + count--; + if (!count) { + dev_err(sdev->dev, "%s: Failed to acquire HW lock\n", __func__); + return IRQ_NONE; + } + } + sof_ops(sdev)->irq_thread(irq, sdev); val |= ACP_DSP_TO_HOST_IRQ; snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DSP_SW_INTR_STAT, val); + + /* Unlock or Release HW Semaphore */ + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_AXI2DAGB_SEM_0, 0x0); + return IRQ_HANDLED; } |