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 /* 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 */ 30 static const struct brcmf_dmi_data chuwi_hi8_pro_data = { 31 BRCM_CC_43430_CHIP_ID, 0, "ilife-S806" 32 }; 33 34 static const struct brcmf_dmi_data gpd_win_pocket_data = { 35 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket" 36 }; 37 38 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = { 39 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3" 40 }; 41 42 static const struct brcmf_dmi_data meegopad_t08_data = { 43 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08" 44 }; 45 46 static const struct brcmf_dmi_data pov_tab_p1006w_data = { 47 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data" 48 }; 49 50 static 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 */ 58 static const struct brcmf_dmi_data voyo_winpad_a15_data = { 59 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301" 60 }; 61 62 static 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 /* Chuwi Hi8 Pro with D2D3_Hi8Pro.233 BIOS */ 87 .matches = { 88 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 89 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 90 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "MRD"), 91 /* Above strings are too generic, also match on BIOS date */ 92 DMI_MATCH(DMI_BIOS_DATE, "05/10/2016"), 93 }, 94 .driver_data = (void *)&chuwi_hi8_pro_data, 95 }, 96 { 97 /* Cyberbook T116 rugged tablet */ 98 .matches = { 99 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 100 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 101 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"), 102 }, 103 /* The factory image nvram file is identical to the ACEPC T8 one */ 104 .driver_data = (void *)&acepc_t8_data, 105 }, 106 { 107 /* Match for the GPDwin which unfortunately uses somewhat 108 * generic dmi strings, which is why we test for 4 strings. 109 * Comparing against 23 other byt/cht boards, board_vendor 110 * and board_name are unique to the GPDwin, where as only one 111 * other board has the same board_serial and 3 others have 112 * the same default product_name. Also the GPDwin is the 113 * only device to have both board_ and product_name not set. 114 */ 115 .matches = { 116 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 117 DMI_MATCH(DMI_BOARD_NAME, "Default string"), 118 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"), 119 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 120 }, 121 .driver_data = (void *)&gpd_win_pocket_data, 122 }, 123 { 124 /* Jumper EZpad mini3 */ 125 .matches = { 126 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 127 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 128 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */ 129 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"), 130 }, 131 .driver_data = (void *)&jumper_ezpad_mini3_data, 132 }, 133 { 134 /* Meegopad T08 */ 135 .matches = { 136 DMI_MATCH(DMI_SYS_VENDOR, "Default string"), 137 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 138 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), 139 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"), 140 }, 141 .driver_data = (void *)&meegopad_t08_data, 142 }, 143 { 144 /* Point of View TAB-P1006W-232 */ 145 .matches = { 146 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 147 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), 148 /* Note 105b is Foxcon's USB/PCI vendor id */ 149 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), 150 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), 151 }, 152 .driver_data = (void *)&pov_tab_p1006w_data, 153 }, 154 { 155 /* Predia Basic tablet (+ with keyboard dock) */ 156 .matches = { 157 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 158 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 159 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */ 160 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"), 161 }, 162 .driver_data = (void *)&predia_basic_data, 163 }, 164 { 165 /* Voyo winpad A15 tablet */ 166 .matches = { 167 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 168 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 169 /* Above strings are too generic, also match on BIOS date */ 170 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), 171 }, 172 .driver_data = (void *)&voyo_winpad_a15_data, 173 }, 174 {} 175 }; 176 177 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) 178 { 179 const struct dmi_system_id *match; 180 const struct brcmf_dmi_data *data; 181 const char *sys_vendor; 182 const char *product_name; 183 184 /* Some models have DMI strings which are too generic, e.g. 185 * "Default string", we use a quirk table for these. 186 */ 187 for (match = dmi_first_match(dmi_platform_data); 188 match; 189 match = dmi_first_match(match + 1)) { 190 data = match->driver_data; 191 192 if (data->chip == chip && data->chiprev == chiprev) { 193 settings->board_type = data->board_type; 194 return; 195 } 196 } 197 198 /* Not found in the quirk-table, use sys_vendor-product_name */ 199 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); 200 product_name = dmi_get_system_info(DMI_PRODUCT_NAME); 201 if (sys_vendor && product_name) { 202 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s", 203 sys_vendor, product_name); 204 settings->board_type = dmi_board_type; 205 } 206 } 207