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Diffstat (limited to 'sound/soc/mediatek/mt8173/mt8173-afe-pcm.c')
-rw-r--r--sound/soc/mediatek/mt8173/mt8173-afe-pcm.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
index 04ed0cfec174..c0fa623e0b17 100644
--- a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
+++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
#include <sound/soc.h>
@@ -1053,22 +1054,28 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
struct mtk_base_afe *afe;
struct mt8173_afe_private *afe_priv;
struct snd_soc_component *comp_pcm, *comp_hdmi;
+ struct device *dev = &pdev->dev;
- ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(33));
if (ret)
return ret;
- afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
+ afe = devm_kzalloc(dev, sizeof(*afe), GFP_KERNEL);
if (!afe)
return -ENOMEM;
- afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
- GFP_KERNEL);
+ afe->platform_priv = devm_kzalloc(dev, sizeof(*afe_priv), GFP_KERNEL);
afe_priv = afe->platform_priv;
if (!afe_priv)
return -ENOMEM;
- afe->dev = &pdev->dev;
+ afe->dev = dev;
+
+ ret = of_reserved_mem_device_init(dev);
+ if (ret) {
+ dev_info(dev, "no reserved memory found, pre-allocating buffers instead\n");
+ afe->preallocate_buffers = true;
+ }
irq_id = platform_get_irq(pdev, 0);
if (irq_id <= 0)
@@ -1078,27 +1085,27 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
if (IS_ERR(afe->base_addr))
return PTR_ERR(afe->base_addr);
- afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
- &mt8173_afe_regmap_config);
+ afe->regmap = devm_regmap_init_mmio(dev, afe->base_addr,
+ &mt8173_afe_regmap_config);
if (IS_ERR(afe->regmap))
return PTR_ERR(afe->regmap);
/* initial audio related clock */
ret = mt8173_afe_init_audio_clk(afe);
if (ret) {
- dev_err(afe->dev, "mt8173_afe_init_audio_clk fail\n");
+ dev_err(dev, "mt8173_afe_init_audio_clk fail\n");
return ret;
}
/* memif % irq initialize*/
afe->memif_size = MT8173_AFE_MEMIF_NUM;
- afe->memif = devm_kcalloc(afe->dev, afe->memif_size,
+ afe->memif = devm_kcalloc(dev, afe->memif_size,
sizeof(*afe->memif), GFP_KERNEL);
if (!afe->memif)
return -ENOMEM;
afe->irqs_size = MT8173_AFE_IRQ_NUM;
- afe->irqs = devm_kcalloc(afe->dev, afe->irqs_size,
+ afe->irqs = devm_kcalloc(dev, afe->irqs_size,
sizeof(*afe->irqs), GFP_KERNEL);
if (!afe->irqs)
return -ENOMEM;
@@ -1117,9 +1124,9 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, afe);
- pm_runtime_enable(&pdev->dev);
- if (!pm_runtime_enabled(&pdev->dev)) {
- ret = mt8173_afe_runtime_resume(&pdev->dev);
+ pm_runtime_enable(dev);
+ if (!pm_runtime_enabled(dev)) {
+ ret = mt8173_afe_runtime_resume(dev);
if (ret)
goto err_pm_disable;
}
@@ -1129,13 +1136,12 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
afe->runtime_resume = mt8173_afe_runtime_resume;
afe->runtime_suspend = mt8173_afe_runtime_suspend;
- ret = devm_snd_soc_register_component(&pdev->dev,
- &mtk_afe_pcm_platform,
- NULL, 0);
+ ret = devm_snd_soc_register_component(dev, &mtk_afe_pcm_platform,
+ NULL, 0);
if (ret)
goto err_pm_disable;
- comp_pcm = devm_kzalloc(&pdev->dev, sizeof(*comp_pcm), GFP_KERNEL);
+ comp_pcm = devm_kzalloc(dev, sizeof(*comp_pcm), GFP_KERNEL);
if (!comp_pcm) {
ret = -ENOMEM;
goto err_pm_disable;
@@ -1143,7 +1149,7 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
ret = snd_soc_component_initialize(comp_pcm,
&mt8173_afe_pcm_dai_component,
- &pdev->dev);
+ dev);
if (ret)
goto err_pm_disable;
@@ -1157,7 +1163,7 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
if (ret)
goto err_pm_disable;
- comp_hdmi = devm_kzalloc(&pdev->dev, sizeof(*comp_hdmi), GFP_KERNEL);
+ comp_hdmi = devm_kzalloc(dev, sizeof(*comp_hdmi), GFP_KERNEL);
if (!comp_hdmi) {
ret = -ENOMEM;
goto err_cleanup_components;
@@ -1165,7 +1171,7 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
ret = snd_soc_component_initialize(comp_hdmi,
&mt8173_afe_hdmi_dai_component,
- &pdev->dev);
+ dev);
if (ret)
goto err_cleanup_components;
@@ -1179,30 +1185,32 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
if (ret)
goto err_cleanup_components;
- ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
+ ret = devm_request_irq(dev, irq_id, mt8173_afe_irq_handler,
0, "Afe_ISR_Handle", (void *)afe);
if (ret) {
- dev_err(afe->dev, "could not request_irq\n");
+ dev_err(dev, "could not request_irq\n");
goto err_cleanup_components;
}
- dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
+ dev_info(dev, "MT8173 AFE driver initialized.\n");
return 0;
err_cleanup_components:
- snd_soc_unregister_component(&pdev->dev);
+ snd_soc_unregister_component(dev);
err_pm_disable:
- pm_runtime_disable(&pdev->dev);
+ pm_runtime_disable(dev);
return ret;
}
static void mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
{
- snd_soc_unregister_component(&pdev->dev);
+ struct device *dev = &pdev->dev;
+
+ snd_soc_unregister_component(dev);
- pm_runtime_disable(&pdev->dev);
- if (!pm_runtime_status_suspended(&pdev->dev))
- mt8173_afe_runtime_suspend(&pdev->dev);
+ pm_runtime_disable(dev);
+ if (!pm_runtime_status_suspended(dev))
+ mt8173_afe_runtime_suspend(dev);
}
static const struct of_device_id mt8173_afe_pcm_dt_match[] = {
generated by cgit (git 2.34.1) at 2025-07-30 22:05:18 +0000