diff options
| -rw-r--r-- | sound/soc/sof/intel/hda-loader.c | 28 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda-stream.c | 22 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.h | 2 |
3 files changed, 49 insertions, 3 deletions
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c index 5716772a7a91..dc88b7ea599e 100644 --- a/sound/soc/sof/intel/hda-loader.c +++ b/sound/soc/sof/intel/hda-loader.c @@ -226,10 +226,15 @@ int hda_cl_trigger(struct device *dev, struct hdac_ext_stream *hext_stream, int struct snd_sof_dev *sdev = dev_get_drvdata(dev); struct hdac_stream *hstream = &hext_stream->hstream; int sd_offset = SOF_STREAM_SD_OFFSET(hstream); + struct sof_intel_hda_stream *hda_stream; /* code loader is special case that reuses stream ops */ switch (cmd) { case SNDRV_PCM_TRIGGER_START: + hda_stream = container_of(hext_stream, struct sof_intel_hda_stream, + hext_stream); + reinit_completion(&hda_stream->ioc); + snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 1 << hstream->index, 1 << hstream->index); @@ -283,19 +288,38 @@ int hda_cl_cleanup(struct device *dev, struct snd_dma_buffer *dmab, } EXPORT_SYMBOL_NS(hda_cl_cleanup, SND_SOC_SOF_INTEL_HDA_COMMON); +#define HDA_CL_DMA_IOC_TIMEOUT_MS 500 + int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream) { struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; const struct sof_intel_dsp_desc *chip = hda->desc; + struct sof_intel_hda_stream *hda_stream; + unsigned long time_left; unsigned int reg; int ret, status; + hda_stream = container_of(hext_stream, struct sof_intel_hda_stream, + hext_stream); + + dev_dbg(sdev->dev, "Code loader DMA starting\n"); + ret = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_START); if (ret < 0) { dev_err(sdev->dev, "error: DMA trigger start failed\n"); return ret; } + /* Wait for completion of transfer */ + time_left = wait_for_completion_timeout(&hda_stream->ioc, + msecs_to_jiffies(HDA_CL_DMA_IOC_TIMEOUT_MS)); + + if (!time_left) { + dev_err(sdev->dev, "Code loader DMA did not complete\n"); + return -ETIMEDOUT; + } + dev_dbg(sdev->dev, "Code loader DMA done, waiting for FW_ENTERED status\n"); + status = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->rom_status_reg, reg, (FSR_TO_STATE_CODE(reg) == FSR_STATE_FW_ENTERED), @@ -311,6 +335,8 @@ int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream dev_err(sdev->dev, "%s: timeout with rom_status_reg (%#x) read\n", __func__, chip->rom_status_reg); + } else { + dev_dbg(sdev->dev, "Code loader FW_ENTERED status\n"); } ret = hda_cl_trigger(sdev->dev, hext_stream, SNDRV_PCM_TRIGGER_STOP); @@ -318,6 +344,8 @@ int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream dev_err(sdev->dev, "error: DMA trigger stop failed\n"); if (!status) status = ret; + } else { + dev_dbg(sdev->dev, "Code loader DMA stopped\n"); } return status; diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 0c189d3b19c1..76c33795ade4 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -765,10 +765,25 @@ static bool hda_dsp_stream_check(struct hdac_bus *bus, u32 status) writeb(sd_status, s->sd_addr + SOF_HDA_ADSP_REG_SD_STS); active = true; - if ((!s->substream && !s->cstream) || - !s->running || - (sd_status & SOF_HDA_CL_DMA_SD_INT_COMPLETE) == 0) + if (!s->running) continue; + if ((sd_status & SOF_HDA_CL_DMA_SD_INT_COMPLETE) == 0) + continue; + if (!s->substream && !s->cstream) { + /* + * when no substream is found, the DMA may used for code loading + * or data transfers which can rely on wait_for_completion() + */ + struct sof_intel_hda_stream *hda_stream; + struct hdac_ext_stream *hext_stream; + + hext_stream = stream_to_hdac_ext_stream(s); + hda_stream = container_of(hext_stream, struct sof_intel_hda_stream, + hext_stream); + + complete(&hda_stream->ioc); + continue; + } /* Inform ALSA only in case not do that with IPC */ if (s->substream && sof_hda->no_ipc_position) { @@ -880,6 +895,7 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev) return -ENOMEM; hda_stream->sdev = sdev; + init_completion(&hda_stream->ioc); hext_stream = &hda_stream->hext_stream; diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index b4b037758fcb..b59d1a572bce 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -11,6 +11,7 @@ #ifndef __SOF_INTEL_HDA_H #define __SOF_INTEL_HDA_H +#include <linux/completion.h> #include <linux/soundwire/sdw.h> #include <linux/soundwire/sdw_intel.h> #include <sound/compress_driver.h> @@ -559,6 +560,7 @@ struct sof_intel_hda_stream { struct sof_intel_stream sof_intel_stream; int host_reserved; /* reserve host DMA channel */ u32 flags; + struct completion ioc; }; #define hstream_to_sof_hda_stream(hstream) \ |