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1// SPDX-License-Identifier: ISC2/*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 */13static char dmi_board_type[128];14 15struct 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 23static 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 Plus28 * and the nvram for the Vi8 Plus is already in linux-firmware, so use that.29 */30static const struct brcmf_dmi_data chuwi_hi8_pro_data = {31 BRCM_CC_43430_CHIP_ID, 0, "ilife-S806"32};33 34static const struct brcmf_dmi_data gpd_win_pocket_data = {35 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket"36};37 38static const struct brcmf_dmi_data jumper_ezpad_mini3_data = {39 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3"40};41 42static const struct brcmf_dmi_data meegopad_t08_data = {43 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08"44};45 46static const struct brcmf_dmi_data pov_tab_p1006w_data = {47 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data"48};49 50static 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 the55 * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the56 * Prowise-PT301 is already in linux-firmware we just point to that here.57 */58static const struct brcmf_dmi_data voyo_winpad_a15_data = {59 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"60};61 62static 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 /* ACEPC W5 Pro Cherry Trail Z8350 HDMI stick, same wifi as the T8 */87 .matches = {88 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),89 DMI_MATCH(DMI_CHASSIS_TYPE, "3"),90 DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),91 },92 .driver_data = (void *)&acepc_t8_data,93 },94 {95 /* Chuwi Hi8 Pro with D2D3_Hi8Pro.233 BIOS */96 .matches = {97 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"),98 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),99 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "MRD"),100 /* Above strings are too generic, also match on BIOS date */101 DMI_MATCH(DMI_BIOS_DATE, "05/10/2016"),102 },103 .driver_data = (void *)&chuwi_hi8_pro_data,104 },105 {106 /* Cyberbook T116 rugged tablet */107 .matches = {108 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),109 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),110 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"),111 },112 /* The factory image nvram file is identical to the ACEPC T8 one */113 .driver_data = (void *)&acepc_t8_data,114 },115 {116 /* Match for the GPDwin which unfortunately uses somewhat117 * generic dmi strings, which is why we test for 4 strings.118 * Comparing against 23 other byt/cht boards, board_vendor119 * and board_name are unique to the GPDwin, where as only one120 * other board has the same board_serial and 3 others have121 * the same default product_name. Also the GPDwin is the122 * only device to have both board_ and product_name not set.123 */124 .matches = {125 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),126 DMI_MATCH(DMI_BOARD_NAME, "Default string"),127 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"),128 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),129 },130 .driver_data = (void *)&gpd_win_pocket_data,131 },132 {133 /* Jumper EZpad mini3 */134 .matches = {135 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),136 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),137 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */138 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),139 },140 .driver_data = (void *)&jumper_ezpad_mini3_data,141 },142 {143 /* Meegopad T08 */144 .matches = {145 DMI_MATCH(DMI_SYS_VENDOR, "Default string"),146 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),147 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),148 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),149 },150 .driver_data = (void *)&meegopad_t08_data,151 },152 {153 /* Point of View TAB-P1006W-232 */154 .matches = {155 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),156 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),157 /* Note 105b is Foxcon's USB/PCI vendor id */158 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),159 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),160 },161 .driver_data = (void *)&pov_tab_p1006w_data,162 },163 {164 /* Predia Basic tablet (+ with keyboard dock) */165 .matches = {166 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),167 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),168 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */169 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),170 },171 .driver_data = (void *)&predia_basic_data,172 },173 {174 /* Voyo winpad A15 tablet */175 .matches = {176 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),177 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),178 /* Above strings are too generic, also match on BIOS date */179 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),180 },181 .driver_data = (void *)&voyo_winpad_a15_data,182 },183 {}184};185 186void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev)187{188 const struct dmi_system_id *match;189 const struct brcmf_dmi_data *data;190 const char *sys_vendor;191 const char *product_name;192 193 /* Some models have DMI strings which are too generic, e.g.194 * "Default string", we use a quirk table for these.195 */196 for (match = dmi_first_match(dmi_platform_data);197 match;198 match = dmi_first_match(match + 1)) {199 data = match->driver_data;200 201 if (data->chip == chip && data->chiprev == chiprev) {202 settings->board_type = data->board_type;203 return;204 }205 }206 207 /* Not found in the quirk-table, use sys_vendor-product_name */208 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);209 product_name = dmi_get_system_info(DMI_PRODUCT_NAME);210 if (sys_vendor && product_name) {211 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s",212 sys_vendor, product_name);213 settings->board_type = dmi_board_type;214 }215}216