struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus,
int dir, int stream_tag);
-int snd_hdac_stream_setup(struct hdac_stream *azx_dev);
+int snd_hdac_stream_setup(struct hdac_stream *azx_dev, bool code_loading);
void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev);
int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev);
int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
bool link_locked:1;
bool link_prepared;
- int (*host_setup)(struct hdac_stream *);
+ int (*host_setup)(struct hdac_stream *, bool);
struct snd_pcm_substream *link_substream;
};
void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
-int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream);
+int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
struct hdac_ext_link {
struct hdac_bus *bus;
/**
* snd_hdac_ext_host_stream_setup - Setup a HOST stream.
* @hext_stream: HDAudio stream to set up.
+ * @code_loading: Whether the stream is for PCM or code-loading.
*
* Return: Zero on success or negative error code.
*/
-int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream)
+int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading)
{
- return hext_stream->host_setup(hdac_stream(hext_stream));
+ return hext_stream->host_setup(hdac_stream(hext_stream), code_loading);
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_host_stream_setup);
* snd_hdac_apl_host_stream_setup - Setup a HOST stream following procedure
* recommended for ApolloLake devices.
* @hstream: HDAudio stream to set up.
+ * @code_loading: Whether the stream is for PCM or code-loading.
*
* Return: Zero on success or negative error code.
*/
-static int snd_hdac_apl_host_stream_setup(struct hdac_stream *hstream)
+static int snd_hdac_apl_host_stream_setup(struct hdac_stream *hstream, bool code_loading)
{
struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
int ret;
snd_hdac_ext_stream_decouple(hstream->bus, hext_stream, false);
- ret = snd_hdac_stream_setup(hstream);
+ ret = snd_hdac_stream_setup(hstream, code_loading);
snd_hdac_ext_stream_decouple(hstream->bus, hext_stream, true);
return ret;
int num_stream, int dir)
{
struct pci_dev *pci = to_pci_dev(bus->dev);
- int (*setup_op)(struct hdac_stream *);
+ int (*setup_op)(struct hdac_stream *, bool);
int stream_tag = 0;
int i, tag, idx = start_idx;
/**
* snd_hdac_stream_setup - set up the SD for streaming
* @azx_dev: HD-audio core stream to set up
+ * @code_loading: Whether the stream is for PCM or code-loading.
*/
-int snd_hdac_stream_setup(struct hdac_stream *azx_dev)
+int snd_hdac_stream_setup(struct hdac_stream *azx_dev, bool code_loading)
{
struct hdac_bus *bus = azx_dev->bus;
struct snd_pcm_runtime *runtime;
/* set the interrupt enable bits in the descriptor control register */
snd_hdac_stream_updatel(azx_dev, SD_CTL, 0, SD_INT_MASK);
- /* Once SDxFMT is set, the controller programs SDxFIFOS to non-zero value. */
- ret = snd_hdac_stream_readw_poll(azx_dev, SD_FIFOSIZE, reg, reg & AZX_SD_FIFOSIZE_MASK,
- 3, 300);
- if (ret)
- dev_dbg(bus->dev, "polling SD_FIFOSIZE 0x%04x failed: %d\n",
- AZX_REG_SD_FIFOSIZE, ret);
- azx_dev->fifo_size = snd_hdac_stream_readw(azx_dev, SD_FIFOSIZE);
+ if (!code_loading) {
+ /* Once SDxFMT is set, the controller programs SDxFIFOS to non-zero value. */
+ ret = snd_hdac_stream_readw_poll(azx_dev, SD_FIFOSIZE, reg,
+ reg & AZX_SD_FIFOSIZE_MASK, 3, 300);
+ if (ret)
+ dev_dbg(bus->dev, "polling SD_FIFOSIZE 0x%04x failed: %d\n",
+ AZX_REG_SD_FIFOSIZE, ret);
+ azx_dev->fifo_size = reg;
+ }
/* when LPIB delay correction gives a small negative value,
* we ignore it; currently set the threshold statically to
if (err < 0)
goto error;
- snd_hdac_stream_setup(azx_dev);
+ snd_hdac_stream_setup(azx_dev, true);
snd_hdac_dsp_unlock(azx_dev);
return azx_dev->stream_tag;
if (err < 0)
goto unlock;
- snd_hdac_stream_setup(azx_stream(azx_dev));
+ snd_hdac_stream_setup(azx_stream(azx_dev), false);
stream_tag = azx_dev->core.stream_tag;
/* CA-IBG chips need the playback stream starting from 1 */
if (ret < 0)
return ret;
- ret = snd_hdac_ext_host_stream_setup(host_stream);
+ ret = snd_hdac_ext_host_stream_setup(host_stream, false);
if (ret < 0)
return ret;
ret = snd_hdac_stream_set_params(hdac_stream(host_stream), format_val);
if (ret < 0)
return ret;
- ret = snd_hdac_stream_setup(hdac_stream(host_stream));
+ ret = snd_hdac_stream_setup(hdac_stream(host_stream), false);
if (ret < 0)
return ret;
if (err < 0)
return err;
- err = snd_hdac_ext_host_stream_setup(stream);
+ err = snd_hdac_ext_host_stream_setup(stream, false);
if (err < 0)
return err;