From: Seppo Ingalsuo seppo.ingalsuo@linux.intel.com
This patch adds into SOF topology the handling of ASRC DAPM type, adds the tokens to configure the ASRC, and implement component IPC into the driver.
Signed-off-by: Seppo Ingalsuo seppo.ingalsuo@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- include/sound/sof/topology.h | 27 ++++++++++++ include/uapi/sound/sof/abi.h | 2 +- include/uapi/sound/sof/tokens.h | 6 +++ sound/soc/sof/topology.c | 78 +++++++++++++++++++++++++++++++++ 4 files changed, 112 insertions(+), 1 deletion(-)
diff --git a/include/sound/sof/topology.h b/include/sound/sof/topology.h index c47b36240920..8e76178fedf0 100644 --- a/include/sound/sof/topology.h +++ b/include/sound/sof/topology.h @@ -36,6 +36,7 @@ enum sof_comp_type { SOF_COMP_KPB, /* A key phrase buffer component */ SOF_COMP_SELECTOR, /**< channel selector component */ SOF_COMP_DEMUX, + SOF_COMP_ASRC, /**< Asynchronous sample rate converter */ /* keep FILEREAD/FILEWRITE as the last ones */ SOF_COMP_FILEREAD = 10000, /**< host test based file IO */ SOF_COMP_FILEWRITE = 10001, /**< host test based file IO */ @@ -147,6 +148,32 @@ struct sof_ipc_comp_src { uint32_t rate_mask; /**< SOF_RATE_ supported rates */ } __packed;
+/* generic ASRC component */ +struct sof_ipc_comp_asrc { + struct sof_ipc_comp comp; + struct sof_ipc_comp_config config; + /* either source or sink rate must be non zero */ + uint32_t source_rate; /**< Define fixed source rate or */ + /**< use 0 to indicate need to get */ + /**< the rate from stream */ + uint32_t sink_rate; /**< Define fixed sink rate or */ + /**< use 0 to indicate need to get */ + /**< the rate from stream */ + uint32_t asynchronous_mode; /**< synchronous 0, asynchronous 1 */ + /**< When 1 the ASRC tracks and */ + /**< compensates for drift. */ + uint32_t operation_mode; /**< push 0, pull 1, In push mode the */ + /**< ASRC consumes a defined number */ + /**< of frames at input, with varying */ + /**< number of frames at output. */ + /**< In pull mode the ASRC outputs */ + /**< a defined number of frames while */ + /**< number of input frames varies. */ + + /* reserved for future use */ + uint32_t reserved[4]; +} __attribute__((packed)); + /* generic MUX component */ struct sof_ipc_comp_mux { struct sof_ipc_comp comp; diff --git a/include/uapi/sound/sof/abi.h b/include/uapi/sound/sof/abi.h index ebfdc20ca081..c0ef1643c753 100644 --- a/include/uapi/sound/sof/abi.h +++ b/include/uapi/sound/sof/abi.h @@ -26,7 +26,7 @@
/* SOF ABI version major, minor and patch numbers */ #define SOF_ABI_MAJOR 3 -#define SOF_ABI_MINOR 11 +#define SOF_ABI_MINOR 12 #define SOF_ABI_PATCH 0
/* SOF ABI version number. Format within 32bit word is MMmmmppp */ diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h index 76883e6fb750..a9a5c4d0a892 100644 --- a/include/uapi/sound/sof/tokens.h +++ b/include/uapi/sound/sof/tokens.h @@ -57,6 +57,12 @@ #define SOF_TKN_SRC_RATE_IN 300 #define SOF_TKN_SRC_RATE_OUT 301
+/* ASRC */ +#define SOF_TKN_ASRC_RATE_IN 320 +#define SOF_TKN_ASRC_RATE_OUT 321 +#define SOF_TKN_ASRC_ASYNCHRONOUS_MODE 322 +#define SOF_TKN_ASRC_OPERATION_MODE 323 + /* PCM */ #define SOF_TKN_PCM_DMAC_CONFIG 353
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index ff25d5c95b70..e06fa7c7e502 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -573,6 +573,20 @@ static const struct sof_topology_token src_tokens[] = { offsetof(struct sof_ipc_comp_src, sink_rate), 0}, };
+/* ASRC */ +static const struct sof_topology_token asrc_tokens[] = { + {SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, + offsetof(struct sof_ipc_comp_asrc, source_rate), 0}, + {SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, + offsetof(struct sof_ipc_comp_asrc, sink_rate), 0}, + {SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD, + get_token_u32, + offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0}, + {SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD, + get_token_u32, + offsetof(struct sof_ipc_comp_asrc, operation_mode), 0}, +}; + /* Tone */ static const struct sof_topology_token tone_tokens[] = { }; @@ -1782,6 +1796,67 @@ static int sof_widget_load_src(struct snd_soc_component *scomp, int index, return ret; }
+/* + * ASRC Topology + */ + +static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index, + struct snd_sof_widget *swidget, + struct snd_soc_tplg_dapm_widget *tw, + struct sof_ipc_comp_reply *r) +{ + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); + struct snd_soc_tplg_private *private = &tw->priv; + struct sof_ipc_comp_asrc *asrc; + int ret; + + asrc = kzalloc(sizeof(*asrc), GFP_KERNEL); + if (!asrc) + return -ENOMEM; + + /* configure ASRC IPC message */ + asrc->comp.hdr.size = sizeof(*asrc); + asrc->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW; + asrc->comp.id = swidget->comp_id; + asrc->comp.type = SOF_COMP_ASRC; + asrc->comp.pipeline_id = index; + asrc->config.hdr.size = sizeof(asrc->config); + + ret = sof_parse_tokens(scomp, asrc, asrc_tokens, + ARRAY_SIZE(asrc_tokens), private->array, + le32_to_cpu(private->size)); + if (ret != 0) { + dev_err(scomp->dev, "error: parse asrc tokens failed %d\n", + private->size); + goto err; + } + + ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens, + ARRAY_SIZE(comp_tokens), private->array, + le32_to_cpu(private->size)); + if (ret != 0) { + dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n", + le32_to_cpu(private->size)); + goto err; + } + + dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d " + "asynch %d operation %d\n", + swidget->widget->name, asrc->source_rate, asrc->sink_rate, + asrc->asynchronous_mode, asrc->operation_mode); + sof_dbg_comp_config(scomp, &asrc->config); + + swidget->private = asrc; + + ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc, + sizeof(*asrc), r, sizeof(*r)); + if (ret >= 0) + return ret; +err: + kfree(asrc); + return ret; +} + /* * Signal Generator Topology */ @@ -2195,6 +2270,9 @@ static int sof_widget_ready(struct snd_soc_component *scomp, int index, case snd_soc_dapm_src: ret = sof_widget_load_src(scomp, index, swidget, tw, &reply); break; + case snd_soc_dapm_asrc: + ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply); + break; case snd_soc_dapm_siggen: ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply); break;