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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /sound/soc/intel/skylake/skl-messages.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'sound/soc/intel/skylake/skl-messages.c')
-rw-r--r--sound/soc/intel/skylake/skl-messages.c122
1 files changed, 121 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index 79c5089b8..226db84ba 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -72,6 +72,105 @@ static void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable)
skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)&mask);
}
+static int skl_dsp_setup_spib(struct device *dev, unsigned int size,
+ int stream_tag, int enable)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_stream *stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+ struct hdac_ext_stream *estream;
+
+ if (!stream)
+ return -EINVAL;
+
+ estream = stream_to_hdac_ext_stream(stream);
+ /* enable/disable SPIB for this hdac stream */
+ snd_hdac_ext_stream_spbcap_enable(ebus, enable, stream->index);
+
+ /* set the spib value */
+ snd_hdac_ext_stream_set_spib(ebus, estream, size);
+
+ return 0;
+}
+
+static int skl_dsp_prepare(struct device *dev, unsigned int format,
+ unsigned int size, struct snd_dma_buffer *dmab)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_ext_stream *estream;
+ struct hdac_stream *stream;
+ struct snd_pcm_substream substream;
+ int ret;
+
+ if (!bus)
+ return -ENODEV;
+
+ memset(&substream, 0, sizeof(substream));
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+
+ estream = snd_hdac_ext_stream_assign(ebus, &substream,
+ HDAC_EXT_STREAM_TYPE_HOST);
+ if (!estream)
+ return -ENODEV;
+
+ stream = hdac_stream(estream);
+
+ /* assign decouple host dma channel */
+ ret = snd_hdac_dsp_prepare(stream, format, size, dmab);
+ if (ret < 0)
+ return ret;
+
+ skl_dsp_setup_spib(dev, size, stream->stream_tag, true);
+
+ return stream->stream_tag;
+}
+
+static int skl_dsp_trigger(struct device *dev, bool start, int stream_tag)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_stream *stream;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+ if (!stream)
+ return -EINVAL;
+
+ snd_hdac_dsp_trigger(stream, start);
+
+ return 0;
+}
+
+static int skl_dsp_cleanup(struct device *dev,
+ struct snd_dma_buffer *dmab, int stream_tag)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_stream *stream;
+ struct hdac_ext_stream *estream;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+ if (!stream)
+ return -EINVAL;
+
+ estream = stream_to_hdac_ext_stream(stream);
+ skl_dsp_setup_spib(dev, 0, stream_tag, false);
+ snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
+
+ snd_hdac_dsp_cleanup(stream, dmab);
+
+ return 0;
+}
+
static struct skl_dsp_loader_ops skl_get_loader_ops(void)
{
struct skl_dsp_loader_ops loader_ops;
@@ -84,6 +183,21 @@ static struct skl_dsp_loader_ops skl_get_loader_ops(void)
return loader_ops;
};
+static struct skl_dsp_loader_ops bxt_get_loader_ops(void)
+{
+ struct skl_dsp_loader_ops loader_ops;
+
+ memset(&loader_ops, 0, sizeof(loader_ops));
+
+ loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
+ loader_ops.free_dma_buf = skl_free_dma_buf;
+ loader_ops.prepare = skl_dsp_prepare;
+ loader_ops.trigger = skl_dsp_trigger;
+ loader_ops.cleanup = skl_dsp_cleanup;
+
+ return loader_ops;
+};
+
static const struct skl_dsp_ops dsp_ops[] = {
{
.id = 0x9d70,
@@ -91,6 +205,12 @@ static const struct skl_dsp_ops dsp_ops[] = {
.init = skl_sst_dsp_init,
.cleanup = skl_sst_dsp_cleanup
},
+ {
+ .id = 0x5a98,
+ .loader_ops = bxt_get_loader_ops,
+ .init = bxt_sst_dsp_init,
+ .cleanup = bxt_sst_dsp_cleanup
+ },
};
static int skl_get_dsp_ops(int pci_id)
@@ -744,7 +864,7 @@ int skl_init_module(struct skl_sst *ctx,
return ret;
}
mconfig->m_state = SKL_MODULE_INIT_DONE;
-
+ kfree(param_data);
return ret;
}