Add support for configuring AMD Soundwire DAI from topology.

Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- include/sound/sof/dai-amd.h | 7 ++++++ include/sound/sof/dai.h | 2 ++ include/uapi/sound/sof/tokens.h | 4 ++++ sound/soc/sof/ipc3-pcm.c | 25 +++++++++++++++++++++ sound/soc/sof/ipc3-topology.c | 40 +++++++++++++++++++++++++++++++++ sound/soc/sof/sof-audio.h | 1 + sound/soc/sof/topology.c | 5 +++++ 7 files changed, 84 insertions(+)

diff --git a/include/sound/sof/dai-amd.h b/include/sound/sof/dai-amd.h index 9df7ac824efe..59cd014392c1 100644 --- a/include/sound/sof/dai-amd.h +++ b/include/sound/sof/dai-amd.h @@ -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 diff --git a/include/sound/sof/dai.h b/include/sound/sof/dai.h index 4773a5f616a4..0764a80c17a9 100644 --- a/include/sound/sof/dai.h +++ b/include/sound/sof/dai.h @@ -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;

diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h index ee5708934614..6bf00c09d30d 100644 --- a/include/uapi/sound/sof/tokens.h +++ b/include/uapi/sound/sof/tokens.h @@ -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 diff --git a/sound/soc/sof/ipc3-pcm.c b/sound/soc/sof/ipc3-pcm.c index 330f04bcd75d..35769dd7905e 100644 --- a/sound/soc/sof/ipc3-pcm.c +++ b/sound/soc/sof/ipc3-pcm.c @@ -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; diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index a8832a1c1a24..0970dbdfa78a 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -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; } diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index 8874ee5f557f..f98242a404db 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -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, diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index 617a225fff24..25fb0d1443b6 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -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; }