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 | /* quirk used for NUC15 LAPRC710 skew */ |
135 | .matches = { |
136 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation" ), |
137 | DMI_MATCH(DMI_BOARD_NAME, "LAPRC710" ), |
138 | }, |
139 | .driver_data = (void *)intel_rooks_county, |
140 | }, |
141 | { |
142 | .matches = { |
143 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc" ), |
144 | DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E" ) |
145 | }, |
146 | .driver_data = (void *)dell_sku_0A3E, |
147 | }, |
148 | /* ADL devices */ |
149 | { |
150 | .matches = { |
151 | DMI_MATCH(DMI_SYS_VENDOR, "HP" ), |
152 | DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16" ), |
153 | }, |
154 | .driver_data = (void *)hp_omen_16, |
155 | }, |
156 | {} |
157 | }; |
158 | |
159 | u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr) |
160 | { |
161 | const struct dmi_system_id *dmi_id; |
162 | |
163 | /* check if any address remap quirk applies */ |
164 | dmi_id = dmi_first_match(list: adr_remap_quirk_table); |
165 | if (dmi_id) { |
166 | struct adr_remap *map; |
167 | |
168 | for (map = dmi_id->driver_data; map->adr; map++) { |
169 | if (map->adr == addr) { |
170 | dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n" , |
171 | addr, map->remapped_adr); |
172 | addr = map->remapped_adr; |
173 | break; |
174 | } |
175 | } |
176 | } |
177 | |
178 | return addr; |
179 | } |
180 | |