[PATCH v7 5/6] ASoC: amd: Handle ACP3x I2S-SP Interrupts.

Ravulapati Vishnu vardhan rao
2019-11-18T14:06:25Z

Enabled support for I2S-SP interrupt handling.
Previous to this implementation, driver supports only interrupts
on BT instance.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
---
sound/soc/amd/raven/acp3x-pcm-dma.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
index 1b8b10a..3de2e25 100644
--- a/sound/soc/amd/raven/acp3x-pcm-dma.c
+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
@@ -177,6 +177,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
snd_pcm_period_elapsed(rv_i2s_data->play_stream);
play_flag = 1;
}
+ if ((val & BIT(I2S_TX_THRESHOLD)) &&
+ rv_i2s_data->i2ssp_play_stream) {
+ rv_writel(BIT(I2S_TX_THRESHOLD),
+ rv_i2s_data->acp3x_base + mmACP_EXTERNAL_INTR_STAT);
+ snd_pcm_period_elapsed(rv_i2s_data->i2ssp_play_stream);
+ play_flag = 1;
+ }

if ((val & BIT(BT_RX_THRESHOLD)) && rv_i2s_data->capture_stream) {
rv_writel(BIT(BT_RX_THRESHOLD), rv_i2s_data->acp3x_base +
@@ -184,6 +191,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
snd_pcm_period_elapsed(rv_i2s_data->capture_stream);
cap_flag = 1;
}
+ if ((val & BIT(I2S_RX_THRESHOLD)) &&
+ rv_i2s_data->i2ssp_capture_stream) {
+ rv_writel(BIT(I2S_RX_THRESHOLD),
+ rv_i2s_data->acp3x_base + mmACP_EXTERNAL_INTR_STAT);
+ snd_pcm_period_elapsed(rv_i2s_data->i2ssp_capture_stream);
+ cap_flag = 1;
+ }

if (play_flag | cap_flag)
return IRQ_HANDLED;
--
2.7.4