2 * Copyright 2018 Hans de Goede <hdegoede@redhat.com>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/dmi.h>
18 #include <linux/mod_devicetable.h>
21 #include "brcm_hw_ids.h"
23 /* The DMI data never changes so we can use a static buf for this */
24 static char dmi_board_type[128];
26 struct brcmf_dmi_data {
29 const char *board_type;
32 /* NOTE: Please keep all entries sorted alphabetically */
34 static const struct brcmf_dmi_data gpd_win_pocket_data = {
35 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket"
38 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = {
39 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3"
42 static const struct brcmf_dmi_data meegopad_t08_data = {
43 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08"
46 static const struct dmi_system_id dmi_platform_data[] = {
48 /* Match for the GPDwin which unfortunately uses somewhat
49 * generic dmi strings, which is why we test for 4 strings.
50 * Comparing against 23 other byt/cht boards, board_vendor
51 * and board_name are unique to the GPDwin, where as only one
52 * other board has the same board_serial and 3 others have
53 * the same default product_name. Also the GPDwin is the
54 * only device to have both board_ and product_name not set.
57 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
58 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
59 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"),
60 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
62 .driver_data = (void *)&gpd_win_pocket_data,
65 /* Jumper EZpad mini3 */
67 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
68 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
69 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
70 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
72 .driver_data = (void *)&jumper_ezpad_mini3_data,
77 DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
78 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
79 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
80 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
82 .driver_data = (void *)&meegopad_t08_data,
87 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev)
89 const struct dmi_system_id *match;
90 const struct brcmf_dmi_data *data;
91 const char *sys_vendor;
92 const char *product_name;
94 /* Some models have DMI strings which are too generic, e.g.
95 * "Default string", we use a quirk table for these.
97 for (match = dmi_first_match(dmi_platform_data);
99 match = dmi_first_match(match + 1)) {
100 data = match->driver_data;
102 if (data->chip == chip && data->chiprev == chiprev) {
103 settings->board_type = data->board_type;
108 /* Not found in the quirk-table, use sys_vendor-product_name */
109 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
110 product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
111 if (sys_vendor && product_name) {
112 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s",
113 sys_vendor, product_name);
114 settings->board_type = dmi_board_type;