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 .matches = {
104 DMI_MATCH(DMI_SYS_VENDOR, "HP"),
105 DMI_MATCH(DMI_BOARD_NAME, "8709"),
106 },
107 .driver_data = (void *)intel_tgl_bios,
108 },
109 {
110 /* quirk used for NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */
111 .matches = {
112 DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
113 DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"),
114 },
115 .driver_data = (void *)intel_tgl_bios,
116 },
117 {
118 /* quirk used for NUC15 LAPBC710 skew */
119 .matches = {
120 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
121 DMI_MATCH(DMI_BOARD_NAME, "LAPBC710"),
122 },
123 .driver_data = (void *)intel_tgl_bios,
124 },
125 {
126 /* quirk used for NUC15 'Rooks County' LAPRC510 and LAPRC710 skews */
127 .matches = {
128 DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
129 DMI_MATCH(DMI_PRODUCT_NAME, "LAPRC"),
130 },
131 .driver_data = (void *)intel_rooks_county,
132 },
133 {
134 .matches = {
135 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
136 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
137 },
138 .driver_data = (void *)dell_sku_0A3E,
139 },
140 /* ADL devices */
141 {
142 .matches = {
143 DMI_MATCH(DMI_SYS_VENDOR, "HP"),
144 DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"),
145 },
146 .driver_data = (void *)hp_omen_16,
147 },
148 {}
149 };
150
sdw_dmi_override_adr(struct sdw_bus * bus,u64 addr)151 u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr)
152 {
153 const struct dmi_system_id *dmi_id;
154
155 /* check if any address remap quirk applies */
156 dmi_id = dmi_first_match(adr_remap_quirk_table);
157 if (dmi_id) {
158 struct adr_remap *map;
159
160 for (map = dmi_id->driver_data; map->adr; map++) {
161 if (map->adr == addr) {
162 dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n",
163 addr, map->remapped_adr);
164 addr = map->remapped_adr;
165 break;
166 }
167 }
168 }
169
170 return addr;
171 }
172
