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ASoC: SOF: Add asynchronous sample rate converter topology support

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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>
Link: https://lore.kernel.org/r/20191210004854.16845-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Seppo Ingalsuo 2019-12-09 18:48:47 -06:00 committed by Mark Brown
parent d612b455f1
commit 433363e779
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 112 additions and 1 deletions
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27
include/sound/sof/topology.h
View File

@ -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;

2
include/uapi/sound/sof/abi.h
View File

@ -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 */

6
include/uapi/sound/sof/tokens.h
View File

@ -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

78
sound/soc/sof/topology.c
View File

@ -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;