1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright 2018 Hans de Goede <hdegoede@redhat.com>
4 */
5
6 #include <linux/dmi.h>
7 #include <linux/mod_devicetable.h>
8 #include "core.h"
9 #include "common.h"
10 #include "brcm_hw_ids.h"
11
12 /* The DMI data never changes so we can use a static buf for this */
13 static char dmi_board_type[128];
14
15 struct brcmf_dmi_data {
16 u32 chip;
17 u32 chiprev;
18 const char *board_type;
19 };
20
21 /* NOTE: Please keep all entries sorted alphabetically */
22
23 static const struct brcmf_dmi_data acepc_t8_data = {
24 BRCM_CC_4345_CHIP_ID, 6, "acepc-t8"
25 };
26
27 /* The Chuwi Hi8 Pro uses the same Ampak AP6212 module as the Chuwi Vi8 Plus
28 * and the nvram for the Vi8 Plus is already in linux-firmware, so use that.
29 */
30 static const struct brcmf_dmi_data chuwi_hi8_pro_data = {
31 BRCM_CC_43430_CHIP_ID, 0, "ilife-S806"
32 };
33
34 static const struct brcmf_dmi_data gpd_win_pocket_data = {
35 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket"
36 };
37
38 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = {
39 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3"
40 };
41
42 static const struct brcmf_dmi_data meegopad_t08_data = {
43 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08"
44 };
45
46 static const struct brcmf_dmi_data pov_tab_p1006w_data = {
47 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data"
48 };
49
50 static const struct brcmf_dmi_data predia_basic_data = {
51 BRCM_CC_43341_CHIP_ID, 2, "predia-basic"
52 };
53
54 /* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the
55 * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the
56 * Prowise-PT301 is already in linux-firmware we just point to that here.
57 */
58 static const struct brcmf_dmi_data voyo_winpad_a15_data = {
59 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"
60 };
61
62 static const struct dmi_system_id dmi_platform_data[] = {
63 {
64 /* ACEPC T8 Cherry Trail Z8350 mini PC */
65 .matches = {
66 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
67 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
68 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"),
69 /* also match on somewhat unique bios-version */
70 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
71 },
72 .driver_data = (void *)&acepc_t8_data,
73 },
74 {
75 /* ACEPC T11 Cherry Trail Z8350 mini PC, same wifi as the T8 */
76 .matches = {
77 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
78 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
79 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"),
80 /* also match on somewhat unique bios-version */
81 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
82 },
83 .driver_data = (void *)&acepc_t8_data,
84 },
85 {
86 /* Chuwi Hi8 Pro with D2D3_Hi8Pro.233 BIOS */
87 .matches = {
88 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
89 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
90 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "MRD"),
91 /* Above strings are too generic, also match on BIOS date */
92 DMI_MATCH(DMI_BIOS_DATE, "05/10/2016"),
93 },
94 .driver_data = (void *)&chuwi_hi8_pro_data,
95 },
96 {
97 /* Cyberbook T116 rugged tablet */
98 .matches = {
99 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
100 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
101 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"),
102 },
103 /* The factory image nvram file is identical to the ACEPC T8 one */
104 .driver_data = (void *)&acepc_t8_data,
105 },
106 {
107 /* Match for the GPDwin which unfortunately uses somewhat
108 * generic dmi strings, which is why we test for 4 strings.
109 * Comparing against 23 other byt/cht boards, board_vendor
110 * and board_name are unique to the GPDwin, where as only one
111 * other board has the same board_serial and 3 others have
112 * the same default product_name. Also the GPDwin is the
113 * only device to have both board_ and product_name not set.
114 */
115 .matches = {
116 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
117 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
118 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"),
119 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
120 },
121 .driver_data = (void *)&gpd_win_pocket_data,
122 },
123 {
124 /* Jumper EZpad mini3 */
125 .matches = {
126 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
127 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
128 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
129 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
130 },
131 .driver_data = (void *)&jumper_ezpad_mini3_data,
132 },
133 {
134 /* Meegopad T08 */
135 .matches = {
136 DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
137 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
138 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
139 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
140 },
141 .driver_data = (void *)&meegopad_t08_data,
142 },
143 {
144 /* Point of View TAB-P1006W-232 */
145 .matches = {
146 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
147 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
148 /* Note 105b is Foxcon's USB/PCI vendor id */
149 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
150 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
151 },
152 .driver_data = (void *)&pov_tab_p1006w_data,
153 },
154 {
155 /* Predia Basic tablet (+ with keyboard dock) */
156 .matches = {
157 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
159 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */
160 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
161 },
162 .driver_data = (void *)&predia_basic_data,
163 },
164 {
165 /* Voyo winpad A15 tablet */
166 .matches = {
167 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
168 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
169 /* Above strings are too generic, also match on BIOS date */
170 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
171 },
172 .driver_data = (void *)&voyo_winpad_a15_data,
173 },
174 {}
175 };
176
brcmf_dmi_probe(struct brcmf_mp_device * settings,u32 chip,u32 chiprev)177 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev)
178 {
179 const struct dmi_system_id *match;
180 const struct brcmf_dmi_data *data;
181 const char *sys_vendor;
182 const char *product_name;
183
184 /* Some models have DMI strings which are too generic, e.g.
185 * "Default string", we use a quirk table for these.
186 */
187 for (match = dmi_first_match(dmi_platform_data);
188 match;
189 match = dmi_first_match(match + 1)) {
190 data = match->driver_data;
191
192 if (data->chip == chip && data->chiprev == chiprev) {
193 settings->board_type = data->board_type;
194 return;
195 }
196 }
197
198 /* Not found in the quirk-table, use sys_vendor-product_name */
199 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
200 product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
201 if (sys_vendor && product_name) {
202 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s",
203 sys_vendor, product_name);
204 settings->board_type = dmi_board_type;
205 }
206 }
207