diff options
Diffstat (limited to 'sound/soc/amd/ps/ps-pdm-dma.c')
-rw-r--r-- | sound/soc/amd/ps/ps-pdm-dma.c | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/sound/soc/amd/ps/ps-pdm-dma.c b/sound/soc/amd/ps/ps-pdm-dma.c index b207b726cd82..eea71a9d2ef1 100644 --- a/sound/soc/amd/ps/ps-pdm-dma.c +++ b/sound/soc/amd/ps/ps-pdm-dma.c @@ -14,11 +14,11 @@ #include <sound/soc-dai.h> #include <linux/pm_runtime.h> -#include "acp62.h" +#include "acp63.h" #define DRV_NAME "acp_ps_pdm_dma" -static const struct snd_pcm_hardware acp62_pdm_hardware_capture = { +static const struct snd_pcm_hardware acp63_pdm_hardware_capture = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | @@ -37,61 +37,61 @@ static const struct snd_pcm_hardware acp62_pdm_hardware_capture = { .periods_max = CAPTURE_MAX_NUM_PERIODS, }; -static void acp62_init_pdm_ring_buffer(u32 physical_addr, u32 buffer_size, +static void acp63_init_pdm_ring_buffer(u32 physical_addr, u32 buffer_size, u32 watermark_size, void __iomem *acp_base) { - acp62_writel(physical_addr, acp_base + ACP_WOV_RX_RINGBUFADDR); - acp62_writel(buffer_size, acp_base + ACP_WOV_RX_RINGBUFSIZE); - acp62_writel(watermark_size, acp_base + ACP_WOV_RX_INTR_WATERMARK_SIZE); - acp62_writel(0x01, acp_base + ACPAXI2AXI_ATU_CTRL); + acp63_writel(physical_addr, acp_base + ACP_WOV_RX_RINGBUFADDR); + acp63_writel(buffer_size, acp_base + ACP_WOV_RX_RINGBUFSIZE); + acp63_writel(watermark_size, acp_base + ACP_WOV_RX_INTR_WATERMARK_SIZE); + acp63_writel(0x01, acp_base + ACPAXI2AXI_ATU_CTRL); } -static void acp62_enable_pdm_clock(void __iomem *acp_base) +static void acp63_enable_pdm_clock(void __iomem *acp_base) { u32 pdm_clk_enable, pdm_ctrl; pdm_clk_enable = ACP_PDM_CLK_FREQ_MASK; pdm_ctrl = 0x00; - acp62_writel(pdm_clk_enable, acp_base + ACP_WOV_CLK_CTRL); - pdm_ctrl = acp62_readl(acp_base + ACP_WOV_MISC_CTRL); + acp63_writel(pdm_clk_enable, acp_base + ACP_WOV_CLK_CTRL); + pdm_ctrl = acp63_readl(acp_base + ACP_WOV_MISC_CTRL); pdm_ctrl |= ACP_WOV_MISC_CTRL_MASK; - acp62_writel(pdm_ctrl, acp_base + ACP_WOV_MISC_CTRL); + acp63_writel(pdm_ctrl, acp_base + ACP_WOV_MISC_CTRL); } -static void acp62_enable_pdm_interrupts(void __iomem *acp_base) +static void acp63_enable_pdm_interrupts(void __iomem *acp_base) { u32 ext_int_ctrl; - ext_int_ctrl = acp62_readl(acp_base + ACP_EXTERNAL_INTR_CNTL); + ext_int_ctrl = acp63_readl(acp_base + ACP_EXTERNAL_INTR_CNTL); ext_int_ctrl |= PDM_DMA_INTR_MASK; - acp62_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL); + acp63_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL); } -static void acp62_disable_pdm_interrupts(void __iomem *acp_base) +static void acp63_disable_pdm_interrupts(void __iomem *acp_base) { u32 ext_int_ctrl; - ext_int_ctrl = acp62_readl(acp_base + ACP_EXTERNAL_INTR_CNTL); + ext_int_ctrl = acp63_readl(acp_base + ACP_EXTERNAL_INTR_CNTL); ext_int_ctrl &= ~PDM_DMA_INTR_MASK; - acp62_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL); + acp63_writel(ext_int_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL); } -static bool acp62_check_pdm_dma_status(void __iomem *acp_base) +static bool acp63_check_pdm_dma_status(void __iomem *acp_base) { bool pdm_dma_status; u32 pdm_enable, pdm_dma_enable; pdm_dma_status = false; - pdm_enable = acp62_readl(acp_base + ACP_WOV_PDM_ENABLE); - pdm_dma_enable = acp62_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); + pdm_enable = acp63_readl(acp_base + ACP_WOV_PDM_ENABLE); + pdm_dma_enable = acp63_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); if ((pdm_enable & ACP_PDM_ENABLE) && (pdm_dma_enable & ACP_PDM_DMA_EN_STATUS)) pdm_dma_status = true; return pdm_dma_status; } -static int acp62_start_pdm_dma(void __iomem *acp_base) +static int acp63_start_pdm_dma(void __iomem *acp_base) { u32 pdm_enable; u32 pdm_dma_enable; @@ -100,12 +100,12 @@ static int acp62_start_pdm_dma(void __iomem *acp_base) pdm_enable = 0x01; pdm_dma_enable = 0x01; - acp62_enable_pdm_clock(acp_base); - acp62_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE); - acp62_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE); + acp63_enable_pdm_clock(acp_base); + acp63_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE); + acp63_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE); timeout = 0; while (++timeout < ACP_COUNTER) { - pdm_dma_enable = acp62_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); + pdm_dma_enable = acp63_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); if ((pdm_dma_enable & 0x02) == ACP_PDM_DMA_EN_STATUS) return 0; udelay(DELAY_US); @@ -113,7 +113,7 @@ static int acp62_start_pdm_dma(void __iomem *acp_base) return -ETIMEDOUT; } -static int acp62_stop_pdm_dma(void __iomem *acp_base) +static int acp63_stop_pdm_dma(void __iomem *acp_base) { u32 pdm_enable, pdm_dma_enable; int timeout; @@ -121,14 +121,14 @@ static int acp62_stop_pdm_dma(void __iomem *acp_base) pdm_enable = 0x00; pdm_dma_enable = 0x00; - pdm_enable = acp62_readl(acp_base + ACP_WOV_PDM_ENABLE); - pdm_dma_enable = acp62_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); + pdm_enable = acp63_readl(acp_base + ACP_WOV_PDM_ENABLE); + pdm_dma_enable = acp63_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); if (pdm_dma_enable & 0x01) { pdm_dma_enable = 0x02; - acp62_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE); + acp63_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE); timeout = 0; while (++timeout < ACP_COUNTER) { - pdm_dma_enable = acp62_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); + pdm_dma_enable = acp63_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE); if ((pdm_dma_enable & 0x02) == 0x00) break; udelay(DELAY_US); @@ -138,13 +138,13 @@ static int acp62_stop_pdm_dma(void __iomem *acp_base) } if (pdm_enable == ACP_PDM_ENABLE) { pdm_enable = ACP_PDM_DISABLE; - acp62_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE); + acp63_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE); } - acp62_writel(0x01, acp_base + ACP_WOV_PDM_FIFO_FLUSH); + acp63_writel(0x01, acp_base + ACP_WOV_PDM_FIFO_FLUSH); return 0; } -static void acp62_config_dma(struct pdm_stream_instance *rtd, int direction) +static void acp63_config_dma(struct pdm_stream_instance *rtd, int direction) { u16 page_idx; u32 low, high, val; @@ -154,24 +154,24 @@ static void acp62_config_dma(struct pdm_stream_instance *rtd, int direction) val = PDM_PTE_OFFSET; /* Group Enable */ - acp62_writel(ACP_SRAM_PTE_OFFSET | BIT(31), rtd->acp62_base + + acp63_writel(ACP_SRAM_PTE_OFFSET | BIT(31), rtd->acp63_base + ACPAXI2AXI_ATU_BASE_ADDR_GRP_1); - acp62_writel(PAGE_SIZE_4K_ENABLE, rtd->acp62_base + + acp63_writel(PAGE_SIZE_4K_ENABLE, rtd->acp63_base + ACPAXI2AXI_ATU_PAGE_SIZE_GRP_1); for (page_idx = 0; page_idx < rtd->num_pages; page_idx++) { /* Load the low address of page int ACP SRAM through SRBM */ low = lower_32_bits(addr); high = upper_32_bits(addr); - acp62_writel(low, rtd->acp62_base + ACP_SCRATCH_REG_0 + val); + acp63_writel(low, rtd->acp63_base + ACP_SCRATCH_REG_0 + val); high |= BIT(31); - acp62_writel(high, rtd->acp62_base + ACP_SCRATCH_REG_0 + val + 4); + acp63_writel(high, rtd->acp63_base + ACP_SCRATCH_REG_0 + val + 4); val += 8; addr += PAGE_SIZE; } } -static int acp62_pdm_dma_open(struct snd_soc_component *component, +static int acp63_pdm_dma_open(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime; @@ -186,7 +186,7 @@ static int acp62_pdm_dma_open(struct snd_soc_component *component, return -EINVAL; if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - runtime->hw = acp62_pdm_hardware_capture; + runtime->hw = acp63_pdm_hardware_capture; ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); @@ -196,17 +196,17 @@ static int acp62_pdm_dma_open(struct snd_soc_component *component, return ret; } - acp62_enable_pdm_interrupts(adata->acp62_base); + acp63_enable_pdm_interrupts(adata->acp63_base); if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) adata->capture_stream = substream; - pdm_data->acp62_base = adata->acp62_base; + pdm_data->acp63_base = adata->acp63_base; runtime->private_data = pdm_data; return ret; } -static int acp62_pdm_dma_hw_params(struct snd_soc_component *component, +static int acp63_pdm_dma_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -220,26 +220,26 @@ static int acp62_pdm_dma_hw_params(struct snd_soc_component *component, period_bytes = params_period_bytes(params); rtd->dma_addr = substream->runtime->dma_addr; rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT); - acp62_config_dma(rtd, substream->stream); - acp62_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, size, - period_bytes, rtd->acp62_base); + acp63_config_dma(rtd, substream->stream); + acp63_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, size, + period_bytes, rtd->acp63_base); return 0; } -static u64 acp62_pdm_get_byte_count(struct pdm_stream_instance *rtd, +static u64 acp63_pdm_get_byte_count(struct pdm_stream_instance *rtd, int direction) { u32 high, low; u64 byte_count; - high = acp62_readl(rtd->acp62_base + ACP_WOV_RX_LINEARPOSITIONCNTR_HIGH); + high = acp63_readl(rtd->acp63_base + ACP_WOV_RX_LINEARPOSITIONCNTR_HIGH); byte_count = high; - low = acp62_readl(rtd->acp62_base + ACP_WOV_RX_LINEARPOSITIONCNTR_LOW); + low = acp63_readl(rtd->acp63_base + ACP_WOV_RX_LINEARPOSITIONCNTR_LOW); byte_count = (byte_count << 32) | low; return byte_count; } -static snd_pcm_uframes_t acp62_pdm_dma_pointer(struct snd_soc_component *comp, +static snd_pcm_uframes_t acp63_pdm_dma_pointer(struct snd_soc_component *comp, struct snd_pcm_substream *stream) { struct pdm_stream_instance *rtd; @@ -249,14 +249,14 @@ static snd_pcm_uframes_t acp62_pdm_dma_pointer(struct snd_soc_component *comp, rtd = stream->runtime->private_data; buffersize = frames_to_bytes(stream->runtime, stream->runtime->buffer_size); - bytescount = acp62_pdm_get_byte_count(rtd, stream->stream); + bytescount = acp63_pdm_get_byte_count(rtd, stream->stream); if (bytescount > rtd->bytescount) bytescount -= rtd->bytescount; pos = do_div(bytescount, buffersize); return bytes_to_frames(stream->runtime, pos); } -static int acp62_pdm_dma_new(struct snd_soc_component *component, +static int acp63_pdm_dma_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd) { struct device *parent = component->dev->parent; @@ -266,19 +266,19 @@ static int acp62_pdm_dma_new(struct snd_soc_component *component, return 0; } -static int acp62_pdm_dma_close(struct snd_soc_component *component, +static int acp63_pdm_dma_close(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct pdm_dev_data *adata = dev_get_drvdata(component->dev); struct snd_pcm_runtime *runtime = substream->runtime; - acp62_disable_pdm_interrupts(adata->acp62_base); + acp63_disable_pdm_interrupts(adata->acp63_base); adata->capture_stream = NULL; kfree(runtime->private_data); return 0; } -static int acp62_pdm_dai_trigger(struct snd_pcm_substream *substream, +static int acp63_pdm_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct pdm_stream_instance *rtd; @@ -299,20 +299,20 @@ static int acp62_pdm_dai_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - acp62_writel(ch_mask, rtd->acp62_base + ACP_WOV_PDM_NO_OF_CHANNELS); - acp62_writel(PDM_DECIMATION_FACTOR, rtd->acp62_base + + acp63_writel(ch_mask, rtd->acp63_base + ACP_WOV_PDM_NO_OF_CHANNELS); + acp63_writel(PDM_DECIMATION_FACTOR, rtd->acp63_base + ACP_WOV_PDM_DECIMATION_FACTOR); - rtd->bytescount = acp62_pdm_get_byte_count(rtd, substream->stream); - pdm_status = acp62_check_pdm_dma_status(rtd->acp62_base); + rtd->bytescount = acp63_pdm_get_byte_count(rtd, substream->stream); + pdm_status = acp63_check_pdm_dma_status(rtd->acp63_base); if (!pdm_status) - ret = acp62_start_pdm_dma(rtd->acp62_base); + ret = acp63_start_pdm_dma(rtd->acp63_base); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - pdm_status = acp62_check_pdm_dma_status(rtd->acp62_base); + pdm_status = acp63_check_pdm_dma_status(rtd->acp63_base); if (pdm_status) - ret = acp62_stop_pdm_dma(rtd->acp62_base); + ret = acp63_stop_pdm_dma(rtd->acp63_base); break; default: ret = -EINVAL; @@ -321,11 +321,11 @@ static int acp62_pdm_dai_trigger(struct snd_pcm_substream *substream, return ret; } -static const struct snd_soc_dai_ops acp62_pdm_dai_ops = { - .trigger = acp62_pdm_dai_trigger, +static const struct snd_soc_dai_ops acp63_pdm_dai_ops = { + .trigger = acp63_pdm_dai_trigger, }; -static struct snd_soc_dai_driver acp62_pdm_dai_driver = { +static struct snd_soc_dai_driver acp63_pdm_dai_driver = { .name = "acp_ps_pdm_dma.0", .capture = { .rates = SNDRV_PCM_RATE_48000, @@ -335,19 +335,19 @@ static struct snd_soc_dai_driver acp62_pdm_dai_driver = { .rate_min = 48000, .rate_max = 48000, }, - .ops = &acp62_pdm_dai_ops, + .ops = &acp63_pdm_dai_ops, }; -static const struct snd_soc_component_driver acp62_pdm_component = { +static const struct snd_soc_component_driver acp63_pdm_component = { .name = DRV_NAME, - .open = acp62_pdm_dma_open, - .close = acp62_pdm_dma_close, - .hw_params = acp62_pdm_dma_hw_params, - .pointer = acp62_pdm_dma_pointer, - .pcm_construct = acp62_pdm_dma_new, + .open = acp63_pdm_dma_open, + .close = acp63_pdm_dma_close, + .hw_params = acp63_pdm_dma_hw_params, + .pointer = acp63_pdm_dma_pointer, + .pcm_construct = acp63_pdm_dma_new, }; -static int acp62_pdm_audio_probe(struct platform_device *pdev) +static int acp63_pdm_audio_probe(struct platform_device *pdev) { struct resource *res; struct pdm_dev_data *adata; @@ -363,16 +363,16 @@ static int acp62_pdm_audio_probe(struct platform_device *pdev) if (!adata) return -ENOMEM; - adata->acp62_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (!adata->acp62_base) + adata->acp63_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!adata->acp63_base) return -ENOMEM; adata->capture_stream = NULL; dev_set_drvdata(&pdev->dev, adata); status = devm_snd_soc_register_component(&pdev->dev, - &acp62_pdm_component, - &acp62_pdm_dai_driver, 1); + &acp63_pdm_component, + &acp63_pdm_dai_driver, 1); if (status) { dev_err(&pdev->dev, "Fail to register acp pdm dai\n"); @@ -385,13 +385,13 @@ static int acp62_pdm_audio_probe(struct platform_device *pdev) return 0; } -static int acp62_pdm_audio_remove(struct platform_device *pdev) +static int acp63_pdm_audio_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); return 0; } -static int __maybe_unused acp62_pdm_resume(struct device *dev) +static int __maybe_unused acp63_pdm_resume(struct device *dev) { struct pdm_dev_data *adata; struct snd_pcm_runtime *runtime; @@ -404,47 +404,47 @@ static int __maybe_unused acp62_pdm_resume(struct device *dev) rtd = runtime->private_data; period_bytes = frames_to_bytes(runtime, runtime->period_size); buffer_len = frames_to_bytes(runtime, runtime->buffer_size); - acp62_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE); - acp62_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len, - period_bytes, adata->acp62_base); + acp63_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE); + acp63_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len, + period_bytes, adata->acp63_base); } - acp62_enable_pdm_interrupts(adata->acp62_base); + acp63_enable_pdm_interrupts(adata->acp63_base); return 0; } -static int __maybe_unused acp62_pdm_suspend(struct device *dev) +static int __maybe_unused acp63_pdm_suspend(struct device *dev) { struct pdm_dev_data *adata; adata = dev_get_drvdata(dev); - acp62_disable_pdm_interrupts(adata->acp62_base); + acp63_disable_pdm_interrupts(adata->acp63_base); return 0; } -static int __maybe_unused acp62_pdm_runtime_resume(struct device *dev) +static int __maybe_unused acp63_pdm_runtime_resume(struct device *dev) { struct pdm_dev_data *adata; adata = dev_get_drvdata(dev); - acp62_enable_pdm_interrupts(adata->acp62_base); + acp63_enable_pdm_interrupts(adata->acp63_base); return 0; } -static const struct dev_pm_ops acp62_pdm_pm_ops = { - SET_RUNTIME_PM_OPS(acp62_pdm_suspend, acp62_pdm_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(acp62_pdm_suspend, acp62_pdm_resume) +static const struct dev_pm_ops acp63_pdm_pm_ops = { + SET_RUNTIME_PM_OPS(acp63_pdm_suspend, acp63_pdm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(acp63_pdm_suspend, acp63_pdm_resume) }; -static struct platform_driver acp62_pdm_dma_driver = { - .probe = acp62_pdm_audio_probe, - .remove = acp62_pdm_audio_remove, +static struct platform_driver acp63_pdm_dma_driver = { + .probe = acp63_pdm_audio_probe, + .remove = acp63_pdm_audio_remove, .driver = { .name = "acp_ps_pdm_dma", - .pm = &acp62_pdm_pm_ops, + .pm = &acp63_pdm_pm_ops, }, }; -module_platform_driver(acp62_pdm_dma_driver); +module_platform_driver(acp63_pdm_dma_driver); MODULE_AUTHOR("Syed.SabaKareem@amd.com"); MODULE_DESCRIPTION("AMD PINK SARDINE PDM Driver"); |