diff options
| -rw-r--r-- | sound/soc/sof/intel/hda-stream.c | 22 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.h | 6 |
2 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 23cff5aca007..13d114993f96 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -217,6 +217,9 @@ int hda_dsp_stream_trigger(struct snd_sof_dev *sdev, { struct hdac_stream *hstream = &stream->hstream; int sd_offset = SOF_STREAM_SD_OFFSET(hstream); + u32 dma_start = SOF_HDA_SD_CTL_DMA_START; + int ret; + u32 run; /* cmd must be for audio stream */ switch (cmd) { @@ -234,6 +237,16 @@ int hda_dsp_stream_trigger(struct snd_sof_dev *sdev, SOF_HDA_SD_CTL_DMA_START | SOF_HDA_CL_DMA_SD_INT_MASK); + ret = snd_sof_dsp_read_poll_timeout(sdev, + HDA_DSP_HDA_BAR, + sd_offset, run, + ((run & dma_start) == dma_start), + HDA_DSP_REG_POLL_INTERVAL_US, + HDA_DSP_STREAM_RUN_TIMEOUT); + + if (ret) + return ret; + hstream->running = true; break; case SNDRV_PCM_TRIGGER_SUSPEND: @@ -244,6 +257,15 @@ int hda_dsp_stream_trigger(struct snd_sof_dev *sdev, SOF_HDA_SD_CTL_DMA_START | SOF_HDA_CL_DMA_SD_INT_MASK, 0x0); + ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_HDA_BAR, + sd_offset, run, + !(run & dma_start), + HDA_DSP_REG_POLL_INTERVAL_US, + HDA_DSP_STREAM_RUN_TIMEOUT); + + if (ret) + return ret; + snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, sd_offset + SOF_HDA_ADSP_REG_CL_SD_STS, SOF_HDA_CL_DMA_SD_INT_MASK); diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 50653859e0a0..73d7cc08afc2 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -159,6 +159,12 @@ #define HDA_DSP_MBOX_UPLINK_OFFSET 0x81000 #define HDA_DSP_STREAM_RESET_TIMEOUT 300 +/* + * Timeout in us, for setting the stream RUN bit, during + * start/stop the stream. The timeout expires if new RUN bit + * value cannot be read back within the specified time. + */ +#define HDA_DSP_STREAM_RUN_TIMEOUT 300 #define HDA_DSP_CL_TRIGGER_TIMEOUT 300 #define HDA_DSP_SPIB_ENABLE 1 |