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 static const struct brcmf_dmi_data gpd_win_pocket_data = {
28 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket"
29 };
30
31 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = {
32 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3"
33 };
34
35 static const struct brcmf_dmi_data meegopad_t08_data = {
36 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08"
37 };
38
39 static const struct brcmf_dmi_data pov_tab_p1006w_data = {
40 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data"
41 };
42
43 static const struct brcmf_dmi_data predia_basic_data = {
44 BRCM_CC_43341_CHIP_ID, 2, "predia-basic"
45 };
46
47 /* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the
48 * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the
49 * Prowise-PT301 is already in linux-firmware we just point to that here.
50 */
51 static const struct brcmf_dmi_data voyo_winpad_a15_data = {
52 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"
53 };
54
55 static const struct dmi_system_id dmi_platform_data[] = {
56 {
57 /* ACEPC T8 Cherry Trail Z8350 mini PC */
58 .matches = {
59 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
60 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
61 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"),
62 /* also match on somewhat unique bios-version */
63 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
64 },
65 .driver_data = (void *)&acepc_t8_data,
66 },
67 {
68 /* ACEPC T11 Cherry Trail Z8350 mini PC, same wifi as the T8 */
69 .matches = {
70 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
71 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
72 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"),
73 /* also match on somewhat unique bios-version */
74 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
75 },
76 .driver_data = (void *)&acepc_t8_data,
77 },
78 {
79 /* Cyberbook T116 rugged tablet */
80 .matches = {
81 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
82 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
83 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"),
84 },
85 /* The factory image nvram file is identical to the ACEPC T8 one */
86 .driver_data = (void *)&acepc_t8_data,
87 },
88 {
89 /* Match for the GPDwin which unfortunately uses somewhat
90 * generic dmi strings, which is why we test for 4 strings.
91 * Comparing against 23 other byt/cht boards, board_vendor
92 * and board_name are unique to the GPDwin, where as only one
93 * other board has the same board_serial and 3 others have
94 * the same default product_name. Also the GPDwin is the
95 * only device to have both board_ and product_name not set.
96 */
97 .matches = {
98 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
99 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
100 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"),
101 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
102 },
103 .driver_data = (void *)&gpd_win_pocket_data,
104 },
105 {
106 /* Jumper EZpad mini3 */
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
109 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
110 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
111 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
112 },
113 .driver_data = (void *)&jumper_ezpad_mini3_data,
114 },
115 {
116 /* Meegopad T08 */
117 .matches = {
118 DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
119 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
120 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
121 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
122 },
123 .driver_data = (void *)&meegopad_t08_data,
124 },
125 {
126 /* Point of View TAB-P1006W-232 */
127 .matches = {
128 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
129 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
130 /* Note 105b is Foxcon's USB/PCI vendor id */
131 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
132 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
133 },
134 .driver_data = (void *)&pov_tab_p1006w_data,
135 },
136 {
137 /* Predia Basic tablet (+ with keyboard dock) */
138 .matches = {
139 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
140 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
141 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */
142 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
143 },
144 .driver_data = (void *)&predia_basic_data,
145 },
146 {
147 /* Voyo winpad A15 tablet */
148 .matches = {
149 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
150 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
151 /* Above strings are too generic, also match on BIOS date */
152 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
153 },
154 .driver_data = (void *)&voyo_winpad_a15_data,
155 },
156 {}
157 };
158
brcmf_dmi_probe(struct brcmf_mp_device * settings,u32 chip,u32 chiprev)159 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev)
160 {
161 const struct dmi_system_id *match;
162 const struct brcmf_dmi_data *data;
163 const char *sys_vendor;
164 const char *product_name;
165
166 /* Some models have DMI strings which are too generic, e.g.
167 * "Default string", we use a quirk table for these.
168 */
169 for (match = dmi_first_match(dmi_platform_data);
170 match;
171 match = dmi_first_match(match + 1)) {
172 data = match->driver_data;
173
174 if (data->chip == chip && data->chiprev == chiprev) {
175 settings->board_type = data->board_type;
176 return;
177 }
178 }
179
180 /* Not found in the quirk-table, use sys_vendor-product_name */
181 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
182 product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
183 if (sys_vendor && product_name) {
184 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s",
185 sys_vendor, product_name);
186 settings->board_type = dmi_board_type;
187 }
188 }
189