// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) // Copyright(c) 2021 Intel Corporation. /* * Soundwire DMI quirks */ #include <linux/device.h> #include <linux/dmi.h> #include <linux/soundwire/sdw.h> #include "bus.h" struct adr_remap { u64 adr; u64 remapped_adr; }; /* * Some TigerLake devices based on an initial Intel BIOS do not expose * the correct _ADR in the DSDT. * Remap the bad _ADR values to the ones reported by hardware */ static const struct adr_remap intel_tgl_bios[] = { { 0x000010025D070100ull, 0x000020025D071100ull }, { 0x000110025d070100ull, 0x000120025D130800ull }, {} }; /* * The initial version of the Dell SKU 0A3E did not expose the devices * on the correct links. */ static const struct adr_remap dell_sku_0A3E[] = { /* rt715 on link0 */ { 0x00020025d071100ull, 0x00021025d071500ull }, /* rt711 on link1 */ { 0x000120025d130800ull, 0x000120025d071100ull, }, /* rt1308 on link2 */ { 0x000220025d071500ull, 0x000220025d130800ull }, {} }; /* * The HP Omen 16-k0005TX does not expose the correct version of RT711 on link0 * and does not expose a RT1316 on link3 */ static const struct adr_remap hp_omen_16[] = { /* rt711-sdca on link0 */ { 0x000020025d071100ull, 0x000030025d071101ull }, /* rt1316-sdca on link3 */ { 0x000120025d071100ull, 0x000330025d131601ull }, {} }; static const struct dmi_system_id adr_remap_quirk_table[] = { /* TGL devices */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "HP"), DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Conv"), }, .driver_data = (void *)intel_tgl_bios, }, { /* quirk used for NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"), DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"), }, .driver_data = (void *)intel_tgl_bios, }, { /* quirk used for NUC15 LAPBC710 skew */ .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_BOARD_NAME, "LAPBC710"), }, .driver_data = (void *)intel_tgl_bios, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E") }, .driver_data = (void *)dell_sku_0A3E, }, /* ADL devices */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "HP"), DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"), }, .driver_data = (void *)hp_omen_16, }, {} }; u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr) { const struct dmi_system_id *dmi_id; /* check if any address remap quirk applies */ dmi_id = dmi_first_match(adr_remap_quirk_table); if (dmi_id) { struct adr_remap *map; for (map = dmi_id->driver_data; map->adr; map++) { if (map->adr == addr) { dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n", addr, map->remapped_adr); addr = map->remapped_adr; break; } } } return addr; }