From: Daniel Baluta Date: Thu, 9 Nov 2023 13:59:00 +0000 (+0200) Subject: ASoC: SOF: Add support for configuring PDM interface from topology X-Git-Tag: v6.8-rc1~20^2~1^2~123^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=89ef42088b3ba884a007ad10bd89ce8a81b9dedd;p=linux-block.git ASoC: SOF: Add support for configuring PDM interface from topology Currently we only support configuration for number of channels and sample rate. Reviewed-by: Péter Ujfalusi Reviewed-by: Iuliana Prodan Signed-off-by: Daniel Baluta Link: https://lore.kernel.org/r/20231109135900.88310-3-daniel.baluta@oss.nxp.com Signed-off-by: Mark Brown --- diff --git a/include/sound/sof/dai-imx.h b/include/sound/sof/dai-imx.h index ca8325353d41..6bc987bd4761 100644 --- a/include/sound/sof/dai-imx.h +++ b/include/sound/sof/dai-imx.h @@ -51,4 +51,11 @@ struct sof_ipc_dai_sai_params { uint16_t tdm_slot_width; uint16_t reserved2; /* alignment */ } __packed; + +/* MICFIL Configuration Request - SOF_IPC_DAI_MICFIL_CONFIG */ +struct sof_ipc_dai_micfil_params { + uint32_t pdm_rate; + uint32_t pdm_ch; +} __packed; + #endif diff --git a/include/sound/sof/dai.h b/include/sound/sof/dai.h index 3041f5805b7b..4773a5f616a4 100644 --- a/include/sound/sof/dai.h +++ b/include/sound/sof/dai.h @@ -88,6 +88,7 @@ enum sof_ipc_dai_type { SOF_DAI_AMD_HS, /**< Amd HS */ 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 */ }; /* general purpose DAI configuration */ @@ -117,6 +118,7 @@ struct sof_ipc_dai_config { struct sof_ipc_dai_acpdmic_params acpdmic; struct sof_ipc_dai_acp_params acphs; struct sof_ipc_dai_mtk_afe_params afe; + struct sof_ipc_dai_micfil_params micfil; }; } __packed; diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h index 453cab2a1209..0fb39780f9bd 100644 --- a/include/uapi/sound/sof/tokens.h +++ b/include/uapi/sound/sof/tokens.h @@ -213,4 +213,8 @@ #define SOF_TKN_AMD_ACPI2S_CH 1701 #define SOF_TKN_AMD_ACPI2S_TDM_MODE 1702 +/* MICFIL PDM */ +#define SOF_TKN_IMX_MICFIL_RATE 2000 +#define SOF_TKN_IMX_MICFIL_CH 2001 + #endif diff --git a/sound/soc/sof/ipc3-pcm.c b/sound/soc/sof/ipc3-pcm.c index 2d0addcbc819..330f04bcd75d 100644 --- a/sound/soc/sof/ipc3-pcm.c +++ b/sound/soc/sof/ipc3-pcm.c @@ -384,6 +384,17 @@ static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n", channels->min, channels->max); break; + case SOF_DAI_IMX_MICFIL: + rate->min = private->dai_config->micfil.pdm_rate; + rate->max = private->dai_config->micfil.pdm_rate; + channels->min = private->dai_config->micfil.pdm_ch; + channels->max = private->dai_config->micfil.pdm_ch; + + dev_dbg(component->dev, + "MICFIL PDM rate_min: %d rate_max: %d\n", rate->min, rate->max); + dev_dbg(component->dev, "MICFIL PDM 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; diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index ba4ef290b634..7a4932c152a9 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -286,6 +286,16 @@ static const struct sof_topology_token acpi2s_tokens[] = { offsetof(struct sof_ipc_dai_acp_params, tdm_mode)}, }; +/* MICFIL PDM */ +static const struct sof_topology_token micfil_pdm_tokens[] = { + {SOF_TKN_IMX_MICFIL_RATE, + SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, + offsetof(struct sof_ipc_dai_micfil_params, pdm_rate)}, + {SOF_TKN_IMX_MICFIL_CH, + SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, + offsetof(struct sof_ipc_dai_micfil_params, pdm_ch)}, +}; + /* Core tokens */ static const struct sof_topology_token core_tokens[] = { {SOF_TKN_COMP_CORE_ID, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, @@ -322,6 +332,8 @@ static const struct sof_token_info ipc3_token_list[SOF_TOKEN_COUNT] = { [SOF_AFE_TOKENS] = {"AFE tokens", afe_tokens, ARRAY_SIZE(afe_tokens)}, [SOF_ACPDMIC_TOKENS] = {"ACPDMIC tokens", acpdmic_tokens, ARRAY_SIZE(acpdmic_tokens)}, [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)}, }; /** @@ -1136,6 +1148,37 @@ static int sof_link_esai_load(struct snd_soc_component *scomp, struct snd_sof_da return 0; } +static int sof_link_micfil_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink, + struct sof_ipc_dai_config *config, struct snd_sof_dai *dai) +{ + struct snd_soc_tplg_hw_config *hw_config = slink->hw_configs; + struct sof_dai_private_data *private = dai->private; + u32 size = sizeof(*config); + int ret; + + /* handle master/slave and inverted clocks */ + sof_dai_set_format(hw_config, config); + + config->hdr.size = size; + + /* parse the required set of MICFIL PDM tokens based on num_hw_cfgs */ + ret = sof_update_ipc_object(scomp, &config->micfil, SOF_MICFIL_TOKENS, slink->tuples, + slink->num_tuples, size, slink->num_hw_configs); + if (ret < 0) + return ret; + + dev_info(scomp->dev, "MICFIL PDM config dai_index %d channel %d rate %d\n", + config->dai_index, config->micfil.pdm_ch, config->micfil.pdm_rate); + + 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_acp_dmic_load(struct snd_soc_component *scomp, struct snd_sof_dai_link *slink, struct sof_ipc_dai_config *config, struct snd_sof_dai *dai) { @@ -1559,6 +1602,9 @@ static int sof_ipc3_widget_setup_comp_dai(struct snd_sof_widget *swidget) case SOF_DAI_IMX_ESAI: ret = sof_link_esai_load(scomp, slink, config, dai); break; + case SOF_DAI_IMX_MICFIL: + ret = sof_link_micfil_load(scomp, slink, config, dai); + break; case SOF_DAI_AMD_BT: ret = sof_link_acp_bt_load(scomp, slink, config, dai); break; diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index 5d5eeb1a1a6f..99c940b22538 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -275,6 +275,7 @@ enum sof_tokens { SOF_GAIN_TOKENS, SOF_ACPDMIC_TOKENS, SOF_ACPI2S_TOKENS, + SOF_MICFIL_TOKENS, /* this should be the last */ SOF_TOKEN_COUNT, diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index a3a3af252259..9f717366cddc 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -296,6 +296,7 @@ static const struct sof_dai_types sof_dais[] = { {"AFE", SOF_DAI_MEDIATEK_AFE}, {"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL}, {"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL}, + {"MICFIL", SOF_DAI_IMX_MICFIL}, }; @@ -1960,6 +1961,10 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_ token_id = SOF_ACPI2S_TOKENS; num_tuples += token_list[SOF_ACPI2S_TOKENS].count; break; + case SOF_DAI_IMX_MICFIL: + token_id = SOF_MICFIL_TOKENS; + num_tuples += token_list[SOF_MICFIL_TOKENS].count; + break; default: break; }