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 gpd_win_pocket_data = { 28 BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket" 29 }; 30 31 static const struct brcmf_dmi_data jumper_ezpad_mini3_data = { 32 BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3" 33 }; 34 35 static const struct brcmf_dmi_data meegopad_t08_data = { 36 BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08" 37 }; 38 39 static const struct brcmf_dmi_data pov_tab_p1006w_data = { 40 BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data" 41 }; 42 43 static 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 */ 51 static const struct brcmf_dmi_data voyo_winpad_a15_data = { 52 BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301" 53 }; 54 55 static 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 /* Match for the GPDwin which unfortunately uses somewhat 80 * generic dmi strings, which is why we test for 4 strings. 81 * Comparing against 23 other byt/cht boards, board_vendor 82 * and board_name are unique to the GPDwin, where as only one 83 * other board has the same board_serial and 3 others have 84 * the same default product_name. Also the GPDwin is the 85 * only device to have both board_ and product_name not set. 86 */ 87 .matches = { 88 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 89 DMI_MATCH(DMI_BOARD_NAME, "Default string"), 90 DMI_MATCH(DMI_BOARD_SERIAL, "Default string"), 91 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 92 }, 93 .driver_data = (void *)&gpd_win_pocket_data, 94 }, 95 { 96 /* Jumper EZpad mini3 */ 97 .matches = { 98 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 99 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 100 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */ 101 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"), 102 }, 103 .driver_data = (void *)&jumper_ezpad_mini3_data, 104 }, 105 { 106 /* Meegopad T08 */ 107 .matches = { 108 DMI_MATCH(DMI_SYS_VENDOR, "Default string"), 109 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), 110 DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), 111 DMI_MATCH(DMI_BOARD_VERSION, "V1.1"), 112 }, 113 .driver_data = (void *)&meegopad_t08_data, 114 }, 115 { 116 /* Point of View TAB-P1006W-232 */ 117 .matches = { 118 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 119 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), 120 /* Note 105b is Foxcon's USB/PCI vendor id */ 121 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), 122 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), 123 }, 124 .driver_data = (void *)&pov_tab_p1006w_data, 125 }, 126 { 127 /* Predia Basic tablet (+ with keyboard dock) */ 128 .matches = { 129 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 130 DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), 131 /* Mx.WT107.KUBNGEA02 with the version-nr dropped */ 132 DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"), 133 }, 134 .driver_data = (void *)&predia_basic_data, 135 }, 136 { 137 /* Voyo winpad A15 tablet */ 138 .matches = { 139 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 140 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 141 /* Above strings are too generic, also match on BIOS date */ 142 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), 143 }, 144 .driver_data = (void *)&voyo_winpad_a15_data, 145 }, 146 {} 147 }; 148 149 void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) 150 { 151 const struct dmi_system_id *match; 152 const struct brcmf_dmi_data *data; 153 const char *sys_vendor; 154 const char *product_name; 155 156 /* Some models have DMI strings which are too generic, e.g. 157 * "Default string", we use a quirk table for these. 158 */ 159 for (match = dmi_first_match(dmi_platform_data); 160 match; 161 match = dmi_first_match(match + 1)) { 162 data = match->driver_data; 163 164 if (data->chip == chip && data->chiprev == chiprev) { 165 settings->board_type = data->board_type; 166 return; 167 } 168 } 169 170 /* Not found in the quirk-table, use sys_vendor-product_name */ 171 sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); 172 product_name = dmi_get_system_info(DMI_PRODUCT_NAME); 173 if (sys_vendor && product_name) { 174 snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s", 175 sys_vendor, product_name); 176 settings->board_type = dmi_board_type; 177 } 178 } 179