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// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) // Copyright(c) 2024 Intel Corporation /* * The MIPI SDCA specification is available for public downloads at * https://www.mipi.org/mipi-sdca-v1-0-download */ #include <linux/acpi.h> #include <linux/soundwire/sdw.h> #include <sound/sdca.h> #include <sound/sdca_function.h> void sdca_lookup_interface_revision(struct sdw_slave *slave) { struct fwnode_handle *fwnode = slave->dev.fwnode; /* * if this property is not present, then the sdca_interface_revision will * remain zero, which will be considered as 'not defined' or 'invalid'. */ fwnode_property_read_u32(fwnode, "mipi-sdw-sdca-interface-revision", &slave->sdca_data.interface_revision); } EXPORT_SYMBOL_NS(sdca_lookup_interface_revision, "SND_SOC_SDCA"); static bool sdca_device_quirk_rt712_vb(struct sdw_slave *slave) { struct sdw_slave_id *id = &slave->id; int i; /* * The RT712_VA relies on the v06r04 draft, and the * RT712_VB on a more recent v08r01 draft. */ if (slave->sdca_data.interface_revision < 0x0801) return false; if (id->mfg_id != 0x025d) return false; if (id->part_id != 0x712 && id->part_id != 0x713 && id->part_id != 0x716 && id->part_id != 0x717) return false; for (i = 0; i < slave->sdca_data.num_functions; i++) { if (slave->sdca_data.sdca_func[i].type == SDCA_FUNCTION_TYPE_SMART_MIC) return true; } return false; } bool sdca_device_quirk_match(struct sdw_slave *slave, enum sdca_quirk quirk) { switch (quirk) { case SDCA_QUIRKS_RT712_VB: return sdca_device_quirk_rt712_vb(slave); default: break; } return false; } EXPORT_SYMBOL_NS(sdca_device_quirk_match, "SND_SOC_SDCA");