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 */ 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 27static const struct brcmf_dmi_data gpd_win_pocket_data = { 28 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket" 29}; 30 31static const struct brcmf_dmi_data jumper_ezpad_mini3_data = { 32 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3" 33}; 34 35static const struct brcmf_dmi_data meegopad_t08_data = { 36 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08" 37}; 38 39static const struct brcmf_dmi_data pov_tab_p1006w_data = { 40 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data" 41}; 42 43static 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 */ 51static const struct brcmf_dmi_data voyo_winpad_a15_data = { 52 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301" 53}; 54 55static 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 159void 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