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"),
145 		},
146 		.driver_data = (void *)hp_omen_16,
147 	},
148 	{}
149 };
150 
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