drivers/soundwire/dmi-quirks.c

   1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
   2 // Copyright(c) 2021 Intel Corporation.
   3
   4 /*
   5  * Soundwire DMI quirks
   6  */
   7
   8 #include <linux/device.h>
   9 #include <linux/dmi.h>
  10 #include <linux/soundwire/sdw.h>
  11 #include "bus.h"
  12
  13 struct adr_remap {
  14         u64 adr;
  15         u64 remapped_adr;
  16 };
  17
  18 /*
  19  * Some TigerLake devices based on an initial Intel BIOS do not expose
  20  * the correct _ADR in the DSDT.
  21  * Remap the bad _ADR values to the ones reported by hardware
  22  */
  23 static const struct adr_remap intel_tgl_bios[] = {
  24         {
  25                 0x000010025D070100ull,
  26                 0x000020025D071100ull
  27         },
  28         {
  29                 0x000110025d070100ull,
  30                 0x000120025D130800ull
  31         },
  32         {}
  33 };
  34
  35 /*
  36  * The initial version of the Dell SKU 0A3E did not expose the devices
  37  * on the correct links.
  38  */
  39 static const struct adr_remap dell_sku_0A3E[] = {
  40         /* rt715 on link0 */
  41         {
  42                 0x00020025d071100ull,
  43                 0x00021025d071500ull
  44         },
  45         /* rt711 on link1 */
  46         {
  47                 0x000120025d130800ull,
  48                 0x000120025d071100ull,
  49         },
  50         /* rt1308 on link2 */
  51         {
  52                 0x000220025d071500ull,
  53                 0x000220025d130800ull
  54         },
  55         {}
  56 };
  57
  58 /*
  59  * The HP Omen 16-k0005TX does not expose the correct version of RT711 on link0
  60  * and does not expose a RT1316 on link3
  61  */
  62 static const struct adr_remap hp_omen_16[] = {
  63         /* rt711-sdca on link0 */
  64         {
  65                 0x000020025d071100ull,
  66                 0x000030025d071101ull
  67         },
  68         /* rt1316-sdca on link3 */
  69         {
  70                 0x000120025d071100ull,
  71                 0x000330025d131601ull
  72         },
  73         {}
  74 };
  75
  76 /*
  77  * Intel NUC M15 LAPRC510 and LAPRC710
  78  */
  79 static const struct adr_remap intel_rooks_county[] = {
  80         /* rt711-sdca on link0 */
  81         {
  82                 0x000020025d071100ull,
  83                 0x000030025d071101ull
  84         },
  85         /* rt1316-sdca on link2 */
  86         {
  87                 0x000120025d071100ull,
  88                 0x000230025d131601ull
  89         },
  90         {}
  91 };
  92
  93 static const struct dmi_system_id adr_remap_quirk_table[] = {
  94         /* TGL devices */
  95         {
  96                 .matches = {
  97                         DMI_MATCH(DMI_SYS_VENDOR, "HP"),
  98                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Conv"),
  99                 },
 100                 .driver_data = (void *)intel_tgl_bios,
 101         },
 102         {
 103                 /* quirk used for NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */
 104                 .matches = {
 105                         DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
 106                         DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"),
 107                 },
 108                 .driver_data = (void *)intel_tgl_bios,
 109         },
 110         {
 111                 /* quirk used for NUC15 LAPBC710 skew */
 112                 .matches = {
 113                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 114                         DMI_MATCH(DMI_BOARD_NAME, "LAPBC710"),
 115                 },
 116                 .driver_data = (void *)intel_tgl_bios,
 117         },
 118         {
 119                 /* quirk used for NUC15 'Rooks County' LAPRC510 and LAPRC710 skews */
 120                 .matches = {
 121                         DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
 122                         DMI_MATCH(DMI_PRODUCT_NAME, "LAPRC"),
 123                 },
 124                 .driver_data = (void *)intel_rooks_county,
 125         },
 126         {
 127                 .matches = {
 128                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 129                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
 130                 },
 131                 .driver_data = (void *)dell_sku_0A3E,
 132         },
 133         /* ADL devices */
 134         {
 135                 .matches = {
 136                         DMI_MATCH(DMI_SYS_VENDOR, "HP"),
 137                         DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"),
 138                 },
 139                 .driver_data = (void *)hp_omen_16,
 140         },
 141         {}
 142 };
 143
 144 u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr)
 145 {
 146         const struct dmi_system_id *dmi_id;
 147
 148         /* check if any address remap quirk applies */
 149         dmi_id = dmi_first_match(adr_remap_quirk_table);
 150         if (dmi_id) {
 151                 struct adr_remap *map;
 152
 153                 for (map = dmi_id->driver_data; map->adr; map++) {
 154                         if (map->adr == addr) {
 155                                 dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n",
 156                                         addr, map->remapped_adr);
 157                                 addr = map->remapped_adr;
 158                                 break;
 159                         }
 160                 }
 161         }
 162
 163         return addr;
 164 }