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 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 */ 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 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 */ 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 somewhat 117 * generic dmi strings, which is why we test for 4 strings. 118 * Comparing against 23 other byt/cht boards, board_vendor 119 * and board_name are unique to the GPDwin, where as only one 120 * other board has the same board_serial and 3 others have 121 * the same default product_name. Also the GPDwin is the 122 * 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