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ASoC: SOF: amd: Add Soundwire DAI configuration support for AMD platforms

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Add support for configuring AMD Soundwire DAI from topology.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240129055147.1493853-10-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2024-01-29 11:21:43 +05:30 committed by Mark Brown
parent 96eb818510
commit 14d89e55de
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
7 changed files with 84 additions and 0 deletions
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7
include/sound/sof/dai-amd.h
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@ -26,4 +26,11 @@ struct sof_ipc_dai_acpdmic_params {
uint32_t pdm_ch;
} __packed;
/* ACP_SDW Configuration Request - SOF_IPC_DAI_AMD_SDW_CONFIG */
struct sof_ipc_dai_acp_sdw_params {
struct sof_ipc_hdr hdr;
u32 rate;
u32 channels;
} __packed;
#endif

2
include/sound/sof/dai.h
View File

@ -89,6 +89,7 @@ enum sof_ipc_dai_type {
SOF_DAI_AMD_SP_VIRTUAL, /**< AMD ACP SP VIRTUAL */
SOF_DAI_AMD_HS_VIRTUAL, /**< AMD ACP HS VIRTUAL */
SOF_DAI_IMX_MICFIL, /** < i.MX MICFIL PDM */
SOF_DAI_AMD_SDW, /**< AMD ACP SDW */
};
/* general purpose DAI configuration */
@ -119,6 +120,7 @@ struct sof_ipc_dai_config {
struct sof_ipc_dai_acp_params acphs;
struct sof_ipc_dai_mtk_afe_params afe;
struct sof_ipc_dai_micfil_params micfil;
struct sof_ipc_dai_acp_sdw_params acp_sdw;
};
} __packed;

4
include/uapi/sound/sof/tokens.h
View File

@ -218,4 +218,8 @@
#define SOF_TKN_IMX_MICFIL_RATE 2000
#define SOF_TKN_IMX_MICFIL_CH 2001
/* ACP SDW */
#define SOF_TKN_AMD_ACP_SDW_RATE 2100
#define SOF_TKN_AMD_ACP_SDW_CH 2101
#endif

25
sound/soc/sof/ipc3-pcm.c
View File

@ -395,6 +395,31 @@ static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
dev_dbg(component->dev, "MICFIL PDM channels_min: %d channels_max: %d\n",
channels->min, channels->max);
break;
case SOF_DAI_AMD_SDW:
/* change the default trigger sequence as per HW implementation */
for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
struct snd_soc_pcm_runtime *fe = dpcm->fe;
fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
SND_SOC_DPCM_TRIGGER_POST;
}
for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
struct snd_soc_pcm_runtime *fe = dpcm->fe;
fe->dai_link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
SND_SOC_DPCM_TRIGGER_POST;
}
rate->min = private->dai_config->acp_sdw.rate;
rate->max = private->dai_config->acp_sdw.rate;
channels->min = private->dai_config->acp_sdw.channels;
channels->max = private->dai_config->acp_sdw.channels;
dev_dbg(component->dev,
"AMD_SDW rate_min: %d rate_max: %d\n", rate->min, rate->max);
dev_dbg(component->dev, "AMD_SDW channels_min: %d channels_max: %d\n",
channels->min, channels->max);
break;
default:
dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
break;

40
sound/soc/sof/ipc3-topology.c
View File

@ -298,6 +298,14 @@ static const struct sof_topology_token micfil_pdm_tokens[] = {
offsetof(struct sof_ipc_dai_micfil_params, pdm_ch)},
};
/* ACP_SDW */
static const struct sof_topology_token acp_sdw_tokens[] = {
{SOF_TKN_AMD_ACP_SDW_RATE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_acp_sdw_params, rate)},
{SOF_TKN_AMD_ACP_SDW_CH, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_acp_sdw_params, channels)},
};
/* Core tokens */
static const struct sof_topology_token core_tokens[] = {
{SOF_TKN_COMP_CORE_ID, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
@ -336,6 +344,7 @@ static const struct sof_token_info ipc3_token_list[SOF_TOKEN_COUNT] = {
[SOF_ACPI2S_TOKENS] = {"ACPI2S tokens", acpi2s_tokens, ARRAY_SIZE(acpi2s_tokens)},
[SOF_MICFIL_TOKENS] = {"MICFIL PDM tokens",
micfil_pdm_tokens, ARRAY_SIZE(micfil_pdm_tokens)},
[SOF_ACP_SDW_TOKENS] = {"ACP_SDW tokens", acp_sdw_tokens, ARRAY_SIZE(acp_sdw_tokens)},
};
/**
@ -1315,6 +1324,34 @@ static int sof_link_acp_hs_load(struct snd_soc_component *scomp, struct snd_sof_
return 0;
}
static int sof_link_acp_sdw_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink,
struct sof_ipc_dai_config *config, struct snd_sof_dai *dai)
{
struct sof_dai_private_data *private = dai->private;
u32 size = sizeof(*config);
int ret;
/* parse the required set of ACP_SDW tokens based on num_hw_cfgs */
ret = sof_update_ipc_object(scomp, &config->acp_sdw, SOF_ACP_SDW_TOKENS, slink->tuples,
slink->num_tuples, size, slink->num_hw_configs);
if (ret < 0)
return ret;
/* init IPC */
config->hdr.size = size;
dev_dbg(scomp->dev, "ACP SDW config rate %d channels %d\n",
config->acp_sdw.rate, config->acp_sdw.channels);
/* set config for all DAI's with name matching the link name */
dai->number_configs = 1;
dai->current_config = 0;
private->dai_config = kmemdup(config, size, GFP_KERNEL);
if (!private->dai_config)
return -ENOMEM;
return 0;
}
static int sof_link_afe_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink,
struct sof_ipc_dai_config *config, struct snd_sof_dai *dai)
{
@ -1629,6 +1666,9 @@ static int sof_ipc3_widget_setup_comp_dai(struct snd_sof_widget *swidget)
case SOF_DAI_MEDIATEK_AFE:
ret = sof_link_afe_load(scomp, slink, config, dai);
break;
case SOF_DAI_AMD_SDW:
ret = sof_link_acp_sdw_load(scomp, slink, config, dai);
break;
default:
break;
}

1
sound/soc/sof/sof-audio.h
View File

@ -276,6 +276,7 @@ enum sof_tokens {
SOF_ACPDMIC_TOKENS,
SOF_ACPI2S_TOKENS,
SOF_MICFIL_TOKENS,
SOF_ACP_SDW_TOKENS,
/* this should be the last */
SOF_TOKEN_COUNT,

5
sound/soc/sof/topology.c
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@ -297,6 +297,7 @@ static const struct sof_dai_types sof_dais[] = {
{"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL},
{"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL},
{"MICFIL", SOF_DAI_IMX_MICFIL},
{"ACP_SDW", SOF_DAI_AMD_SDW},
};
@ -1968,6 +1969,10 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
token_id = SOF_MICFIL_TOKENS;
num_tuples += token_list[SOF_MICFIL_TOKENS].count;
break;
case SOF_DAI_AMD_SDW:
token_id = SOF_ACP_SDW_TOKENS;
num_tuples += token_list[SOF_ACP_SDW_TOKENS].count;
break;
default:
break;
}