1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * DMI based code to deal with broken DSDTs on X86 tablets which ship with
4 * Android as (part of) the factory image. The factory kernels shipped on these
5 * devices typically have a bunch of things hardcoded, rather than specified
6 * in their DSDT.
7 *
8 * Copyright (C) 2021-2023 Hans de Goede <hansg@kernel.org>
9 */
10
11#include <linux/dmi.h>
12#include <linux/init.h>
13#include <linux/mod_devicetable.h>
14#include <linux/module.h>
15
16#include "x86-android-tablets.h"
17
18const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
19 {
20 /* Acer Iconia One 8 A1-840 (non FHD version) */
21 .matches = {
22 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
23 DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
24 /* Above strings are too generic also match BIOS date */
25 DMI_MATCH(DMI_BIOS_DATE, "04/01/2014"),
26 },
27 .driver_data = (void *)&acer_a1_840_info,
28 },
29 {
30 /* Acer Iconia One 7 B1-750 */
31 .matches = {
32 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
33 DMI_MATCH(DMI_PRODUCT_NAME, "VESPA2"),
34 },
35 .driver_data = (void *)&acer_b1_750_info,
36 },
37 {
38 /* Advantech MICA-071 */
39 .matches = {
40 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Advantech"),
41 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MICA-071"),
42 },
43 .driver_data = (void *)&advantech_mica_071_info,
44 },
45 {
46 /* Asus MeMO Pad 7 ME176C */
47 .matches = {
48 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
49 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"),
50 },
51 .driver_data = (void *)&asus_me176c_info,
52 },
53 {
54 /* Asus TF103C */
55 .matches = {
56 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
57 DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"),
58 },
59 .driver_data = (void *)&asus_tf103c_info,
60 },
61 {
62 /* Chuwi Hi8 (CWI509) */
63 .matches = {
64 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
65 DMI_MATCH(DMI_BOARD_NAME, "BYT-PA03C"),
66 DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
67 DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
68 },
69 .driver_data = (void *)&chuwi_hi8_info,
70 },
71 {
72 /* Cyberbook T116 Android version */
73 .matches = {
74 DMI_MATCH(DMI_BOARD_VENDOR, "Default string"),
75 DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
76 /* Above strings are much too generic, also match on SKU + BIOS date */
77 DMI_MATCH(DMI_PRODUCT_SKU, "20170531"),
78 DMI_MATCH(DMI_BIOS_DATE, "07/12/2017"),
79 },
80 .driver_data = (void *)&cyberbook_t116_info,
81 },
82 {
83 /* CZC P10T */
84 .ident = "CZC ODEON TPC-10 (\"P10T\")",
85 .matches = {
86 DMI_MATCH(DMI_SYS_VENDOR, "CZC"),
87 DMI_MATCH(DMI_PRODUCT_NAME, "ODEON*TPC-10"),
88 },
89 .driver_data = (void *)&czc_p10t,
90 },
91 {
92 /* CZC P10T variant */
93 .ident = "ViewSonic ViewPad 10",
94 .matches = {
95 DMI_MATCH(DMI_SYS_VENDOR, "ViewSonic"),
96 DMI_MATCH(DMI_PRODUCT_NAME, "VPAD10"),
97 },
98 .driver_data = (void *)&czc_p10t,
99 },
100 {
101 /* Lenovo Yoga Book X90F / X90L */
102 .matches = {
103 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
104 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
105 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
106 },
107 .driver_data = (void *)&lenovo_yogabook_x90_info,
108 },
109 {
110 /* Lenovo Yoga Book X91F / X91L */
111 .matches = {
112 /* Inexact match to match F + L versions */
113 DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"),
114 },
115 .driver_data = (void *)&lenovo_yogabook_x91_info,
116 },
117 {
118 /*
119 * Lenovo Yoga Tablet 2 Pro 1380F/L (13")
120 * This has more or less the same BIOS as the 830F/L or 1050F/L
121 * (8" and 10") below, but unlike the 8"/10" models which share
122 * the same mainboard this model has a different mainboard.
123 * This match for the 13" model MUST come before the 8" + 10"
124 * match since that one will also match the 13" model!
125 */
126 .matches = {
127 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
128 DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
129 DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
130 /* Full match so as to NOT match the 830/1050 BIOS */
131 DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"),
132 },
133 .driver_data = (void *)&lenovo_yoga_tab2_1380_info,
134 },
135 {
136 /*
137 * Lenovo Yoga Tablet 2 830F/L or 1050F/L
138 * The 8" and 10" Lenovo Yoga Tablet 2 use the same mainboard.
139 */
140 .matches = {
141 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
142 DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
143 DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
144 /* Partial match on beginning of BIOS version */
145 DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
146 },
147 .driver_data = (void *)&lenovo_yoga_tab2_830_1050_info,
148 },
149 {
150 /* Lenovo Yoga Tab 3 Pro YT3-X90F */
151 .matches = {
152 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
153 DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
154 },
155 .driver_data = (void *)&lenovo_yt3_info,
156 },
157 {
158 /* Medion Lifetab S10346 */
159 .matches = {
160 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
161 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
162 /* Above strings are much too generic, also match on BIOS date */
163 DMI_MATCH(DMI_BIOS_DATE, "10/22/2015"),
164 },
165 .driver_data = (void *)&medion_lifetab_s10346_info,
166 },
167 {
168 /* Nextbook Ares 8 (BYT version) */
169 .matches = {
170 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
171 DMI_MATCH(DMI_PRODUCT_NAME, "M890BAP"),
172 },
173 .driver_data = (void *)&nextbook_ares8_info,
174 },
175 {
176 /* Nextbook Ares 8A (CHT version) */
177 .matches = {
178 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
179 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
180 DMI_MATCH(DMI_BIOS_VERSION, "M882"),
181 },
182 .driver_data = (void *)&nextbook_ares8a_info,
183 },
184 {
185 /* Peaq C1010 */
186 .matches = {
187 DMI_MATCH(DMI_SYS_VENDOR, "PEAQ"),
188 DMI_MATCH(DMI_PRODUCT_NAME, "PEAQ PMM C1010 MD99187"),
189 },
190 .driver_data = (void *)&peaq_c1010_info,
191 },
192 {
193 /* Vexia Edu Atla 10 tablet 5V version */
194 .matches = {
195 /* Having all 3 of these not set is somewhat unique */
196 DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
197 DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
198 DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."),
199 /* Above strings are too generic, also match on BIOS date */
200 DMI_MATCH(DMI_BIOS_DATE, "05/14/2015"),
201 },
202 .driver_data = (void *)&vexia_edu_atla10_5v_info,
203 },
204 {
205 /* Vexia Edu Atla 10 tablet 9V version */
206 .matches = {
207 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
208 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
209 /* Above strings are too generic, also match on BIOS date */
210 DMI_MATCH(DMI_BIOS_DATE, "08/25/2014"),
211 },
212 .driver_data = (void *)&vexia_edu_atla10_9v_info,
213 },
214 {
215 /* Whitelabel (sold as various brands) TM800A550L */
216 .matches = {
217 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
218 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
219 /* Above strings are too generic, also match on BIOS version */
220 DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
221 },
222 .driver_data = (void *)&whitelabel_tm800a550l_info,
223 },
224 {
225 /* Xiaomi Mi Pad 2 */
226 .matches = {
227 DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"),
228 DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
229 },
230 .driver_data = (void *)&xiaomi_mipad2_info,
231 },
232 { }
233};
234MODULE_DEVICE_TABLE(dmi, x86_android_tablet_ids);
235

source code of linux/drivers/platform/x86/x86-android-tablets/dmi.c