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
13struct 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 */
23static 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 */
39static 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 */
62static 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 */
79static 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
93static 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
151u64 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