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[1/3] ASoC: SOF: Intel: hda: Add definition for SDxFIFOS.FIFOS mask

Message ID 20230915113912.1405-2-peter.ujfalusi@linux.intel.com
State Accepted
Commit 369ea9f82c279e88a52217b56dc1f973de57ac56
Headers show
Series ASoC: SOF: ipc4/Intel: Implement split fw library loading | expand

Commit Message

Peter Ujfalusi Sept. 15, 2023, 11:39 a.m. UTC 
The FIFOS (FIFO Size) field is in bit 0-15 of the register.
Use the defined mask instead of a magic number for the FIFOS value
masking in hda_dsp_stream_hw_params().

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
---
 sound/soc/sof/intel/hda-stream.c | 2 +-
 sound/soc/sof/intel/hda.h        | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 0b0087abcc50..65e9242365be 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -668,7 +668,7 @@  int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
 			snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR,
 					 sd_offset +
 					 SOF_HDA_ADSP_REG_SD_FIFOSIZE);
-		hstream->fifo_size &= 0xffff;
+		hstream->fifo_size &= SOF_HDA_SD_FIFOSIZE_FIFOS_MASK;
 		hstream->fifo_size += 1;
 	} else {
 		hstream->fifo_size = 0;
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 5c517ec57d4a..2b228c63905b 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -135,6 +135,9 @@ 
 #define SOF_HDA_ADSP_REG_SD_BDLPU		0x1C
 #define SOF_HDA_ADSP_SD_ENTRY_SIZE		0x20
 
+/* SDxFIFOS FIFOS */
+#define SOF_HDA_SD_FIFOSIZE_FIFOS_MASK		GENMASK(15, 0)
+
 /* CL: Software Position Based FIFO Capability Registers */
 #define SOF_DSP_REG_CL_SPBFIFO \
 	(SOF_HDA_ADSP_LOADER_BASE + 0x20)