ASoC: amd: Report accurate hw_ptr during dma

Using hw register to read transmitted byte count and report
accordingly the hw pointer.

TEST=
modprobe snd-soc-acp-pcm.ko
modprobe snd-soc-acp-rt5645.ko
aplay <file>

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Akshu Agrawal <Akshu.Agrawal@amd.com>
Tested-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index a330a99bfff8..de08ff077ac7 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -83,6 +83,8 @@ struct audio_substream_data {
 	u16 num_of_pages;
 	u16 direction;
 	uint64_t size;
+	u64 renderbytescount;
+	u64 capturebytescount;
 	void __iomem *acp_mmio;
 };
 
@@ -93,6 +95,14 @@ struct audio_drv_data {
 	u32 asic_type;
 };
 
+union acp_dma_count {
+	struct {
+	u32 low;
+	u32 high;
+	} bcount;
+	u64 bytescount;
+};
+
 enum {
 	ACP_TILE_P1 = 0,
 	ACP_TILE_P2,