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 static const struct brcmf_dmi_data acer_a1_840_data = { 28 BRCM_CC_43340_CHIP_ID, 2, "acer-a1-840" 29 }; 30 31 /* The Chuwi Hi8 Pro uses the same Ampak AP6212 module as the Chuwi Vi8 Plus 32 * and the nvram for the Vi8 Plus is already in linux-firmware, so use that. 33 */ 34 static const struct brcmf_dmi_data chuwi_hi8_pro_data = { 35 BRCM_CC_43430_CHIP_ID, 0, "ilife-S806" 36 }; 37 38 static const struct brcmf_dmi_data gpd_win_pocket_data = { 39 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket" 40 }; 41 42 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = { 43 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3" 44 }; 45 46 static const struct brcmf_dmi_data meegopad_t08_data = { 47 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08" 48 }; 49 50 static const struct brcmf_dmi_data pov_tab_p1006w_data = { 51 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data" 52 }; 53 54 static const struct brcmf_dmi_data predia_basic_data = { 55 BRCM_CC_43341_CHIP_ID, 2, "predia-basic" 56 }; 57 58 /* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the 59 * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the 60 * Prowise-PT301 is already in linux-firmware we just point to that here. 61 */ 62 static const struct brcmf_dmi_data voyo_winpad_a15_data = { 63 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301" 64 }; 65 66 static const struct dmi_system_id dmi_platform_data[] = { 67 { 68 /* ACEPC T8 Cherry Trail Z8350 mini PC */ 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, "T8"), 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 /* ACEPC T11 Cherry Trail Z8350 mini PC, same wifi as the T8 */ 80 .matches = { 81 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 82 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 83 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"), 84 /* also match on somewhat unique bios-version */ 85 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), 86 }, 87 .driver_data = (void *)&acepc_t8_data, 88 }, 89 { 90 /* ACEPC W5 Pro Cherry Trail Z8350 HDMI stick, same wifi as the T8 */ 91 .matches = { 92 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), 93 DMI_MATCH(DMI_CHASSIS_TYPE, "3"), 94 DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."), 95 }, 96 .driver_data = (void *)&acepc_t8_data, 97 }, 98 { 99 /* Acer Iconia One 8 A1-840 (non FHD version) */ 100 .matches = { 101 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 102 DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"), 103 /* Above strings are too generic also match BIOS date */ 104 DMI_MATCH(DMI_BIOS_DATE, "04/01/2014"), 105 }, 106 .driver_data = (void *)&acer_a1_840_data, 107 }, 108 { 109 /* Chuwi Hi8 Pro with D2D3_Hi8Pro.233 BIOS */ 110 .matches = { 111 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 112 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 113 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "MRD"), 114 /* Above strings are too generic, also match on BIOS date */ 115 DMI_MATCH(DMI_BIOS_DATE, "05/10/2016"), 116 }, 117 .driver_data = (void *)&chuwi_hi8_pro_data, 118 }, 119 { 120 /* Cyberbook T116 rugged tablet */ 121 .matches = { 122 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 123 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 124 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"), 125 }, 126 /* The factory image nvram file is identical to the ACEPC T8 one */ 127 .driver_data = (void *)&acepc_t8_data, 128 }, 129 { 130 /* Match for the GPDwin which unfortunately uses somewhat 131 * generic dmi strings, which is why we test for 4 strings. 132 * Comparing against 23 other byt/cht boards, board_vendor 133 * and board_name are unique to the GPDwin, where as only one 134 * other board has the same board_serial and 3 others have 135 * the same default product_name. Also the GPDwin is the 136 * only device to have both board_ and product_name not set. 137 */ 138 .matches = { 139 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 140 DMI_MATCH(DMI_BOARD_NAME, "Default string"), 141 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"), 142 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 143 }, 144 .driver_data = (void *)&gpd_win_pocket_data, 145 }, 146 { 147 /* Jumper EZpad mini3 */ 148 .matches = { 149 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 150 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 151 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */ 152 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"), 153 }, 154 .driver_data = (void *)&jumper_ezpad_mini3_data, 155 }, 156 { 157 /* Meegopad T08 */ 158 .matches = { 159 DMI_MATCH(DMI_SYS_VENDOR, "Default string"), 160 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 161 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), 162 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"), 163 }, 164 .driver_data = (void *)&meegopad_t08_data, 165 }, 166 { 167 /* Point of View TAB-P1006W-232 */ 168 .matches = { 169 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 170 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), 171 /* Note 105b is Foxcon's USB/PCI vendor id */ 172 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), 173 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), 174 }, 175 .driver_data = (void *)&pov_tab_p1006w_data, 176 }, 177 { 178 /* Predia Basic tablet (+ with keyboard dock) */ 179 .matches = { 180 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 181 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 182 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */ 183 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"), 184 }, 185 .driver_data = (void *)&predia_basic_data, 186 }, 187 { 188 /* Voyo winpad A15 tablet */ 189 .matches = { 190 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 191 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 192 /* Above strings are too generic, also match on BIOS date */ 193 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), 194 }, 195 .driver_data = (void *)&voyo_winpad_a15_data, 196 }, 197 {} 198 }; 199 200 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) 201 { 202 const struct dmi_system_id *match; 203 const struct brcmf_dmi_data *data; 204 const char *sys_vendor; 205 const char *product_name; 206 207 /* Some models have DMI strings which are too generic, e.g. 208 * "Default string", we use a quirk table for these. 209 */ 210 for (match = dmi_first_match(dmi_platform_data); 211 match; 212 match = dmi_first_match(match + 1)) { 213 data = match->driver_data; 214 215 if (data->chip == chip && data->chiprev == chiprev) { 216 settings->board_type = data->board_type; 217 return; 218 } 219 } 220 221 /* Not found in the quirk-table, use sys_vendor-product_name */ 222 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); 223 product_name = dmi_get_system_info(DMI_PRODUCT_NAME); 224 if (sys_vendor && product_name) { 225 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s", 226 sys_vendor, product_name); 227 settings->board_type = dmi_board_type; 228 } 229 } 230