Add machine select logic for soundwire endpoints for AMD platforms.

Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/sof/amd/acp-common.c | 65 +++++++++++++++++++++++++++++++--- 1 file changed, 61 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sof/amd/acp-common.c b/sound/soc/sof/amd/acp-common.c index 2d72c6d55dc8..0fc4e20ec673 100644 --- a/sound/soc/sof/amd/acp-common.c +++ b/sound/soc/sof/amd/acp-common.c @@ -118,16 +118,72 @@ void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags) &panic_info, stack, AMD_STACK_DUMP_SIZE); }

+#if IS_ENABLED(CONFIG_SND_SOC_SOF_AMD_SOUNDWIRE) +static int amd_sof_sdw_get_slave_info(struct snd_sof_dev *sdev) +{ + struct acp_dev_data *acp_data = sdev->pdata->hw_pdata; + + return sdw_amd_get_slave_info(acp_data->sdw); +} + +static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev) +{ + struct snd_soc_acpi_mach *mach; + const struct snd_soc_acpi_link_adr *link; + struct acp_dev_data *acp_data = sdev->pdata->hw_pdata; + int ret, i; + + if (acp_data->info.count) { + ret = amd_sof_sdw_get_slave_info(sdev); + if (ret) { + dev_info(sdev->dev, "failed to read slave information\n"); + return NULL; + } + for (mach = sdev->pdata->desc->alt_machines; mach; mach++) { + if (!mach->links) + break; + link = mach->links; + for (i = 0; i < acp_data->info.count && link->num_adr; link++, i++) { + if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link, + acp_data->sdw->ids, + acp_data->sdw->num_slaves)) + break; + } + if (i == acp_data->info.count || !link->num_adr) + break; + } + if (mach && mach->link_mask) { + mach->mach_params.links = mach->links; + mach->mach_params.link_mask = mach->link_mask; + mach->mach_params.platform = dev_name(sdev->dev); + return mach; + } + } + dev_info(sdev->dev, "No SoundWire machine driver found\n"); + return NULL; +} + +#else +static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev) +{ + return NULL; +} +#endif + struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev) { struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; - struct snd_soc_acpi_mach *mach; + struct snd_soc_acpi_mach *mach = NULL;

- mach = snd_soc_acpi_find_machine(desc->machines); + if (desc->machines) + mach = snd_soc_acpi_find_machine(desc->machines); if (!mach) { - dev_warn(sdev->dev, "No matching ASoC machine driver found\n"); - return NULL; + mach = amd_sof_sdw_machine_select(sdev); + if (!mach) { + dev_warn(sdev->dev, "No matching ASoC machine driver found\n"); + return NULL; + } }

sof_pdata->tplg_filename = mach->sof_tplg_filename; @@ -204,5 +260,6 @@ EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON);

MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); +MODULE_IMPORT_NS(SOUNDWIRE_AMD_INIT); MODULE_DESCRIPTION("ACP SOF COMMON Driver"); MODULE_LICENSE("Dual BSD/GPL");