diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c new file mode 100644 index 0000000..c1340c5 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c @@ -0,0 +1,150 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright 2018 Hans de Goede <hdegoede@redhat.com> + */ + +#include <linux/dmi.h> +#include <linux/mod_devicetable.h> +#include "core.h" +#include "common.h" +#include "brcm_hw_ids.h" + +/* The DMI data never changes so we can use a static buf for this */ +static char dmi_board_type[128]; + +struct brcmf_dmi_data { + u32 chip; + u32 chiprev; + const char *board_type; +}; + +/* NOTE: Please keep all entries sorted alphabetically */ + +static const struct brcmf_dmi_data acepc_t8_data = { + BRCM_CC_4345_CHIP_ID, 6, "acepc-t8" +}; + +static const struct brcmf_dmi_data gpd_win_pocket_data = { + BRCM_CC_4356_CHIP_ID, 2, "gpd-win-pocket" +}; + +static const struct brcmf_dmi_data jumper_ezpad_mini3_data = { + BRCM_CC_43430_CHIP_ID, 0, "jumper-ezpad-mini3" +}; + +static const struct brcmf_dmi_data meegopad_t08_data = { + BRCM_CC_43340_CHIP_ID, 2, "meegopad-t08" +}; + +static const struct brcmf_dmi_data pov_tab_p1006w_data = { + BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data" +}; + +static const struct dmi_system_id dmi_platform_data[] = { + { + /* ACEPC T8 Cherry Trail Z8350 mini PC */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), +#if LINUX_VERSION_IS_GEQ(4,18,0) + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"), +#endif + /* also match on somewhat unique bios-version */ + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), + }, + .driver_data = (void *)&acepc_t8_data, + }, + { + /* ACEPC T11 Cherry Trail Z8350 mini PC, same wifi as the T8 */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), +#if LINUX_VERSION_IS_GEQ(4,18,0) + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"), +#endif + /* also match on somewhat unique bios-version */ + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), + }, + .driver_data = (void *)&acepc_t8_data, + }, + { + /* Match for the GPDwin which unfortunately uses somewhat + * generic dmi strings, which is why we test for 4 strings. + * Comparing against 23 other byt/cht boards, board_vendor + * and board_name are unique to the GPDwin, where as only one + * other board has the same board_serial and 3 others have + * the same default product_name. Also the GPDwin is the + * only device to have both board_ and product_name not set. + */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_MATCH(DMI_BOARD_SERIAL, "Default string"), + DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), + }, + .driver_data = (void *)&gpd_win_pocket_data, + }, + { + /* Jumper EZpad mini3 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), + /* jumperx.T87.KFBNEEA02 with the version-nr dropped */ + DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"), + }, + .driver_data = (void *)&jumper_ezpad_mini3_data, + }, + { + /* Meegopad T08 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Default string"), + DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), + DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), + DMI_MATCH(DMI_BOARD_VERSION, "V1.1"), + }, + .driver_data = (void *)&meegopad_t08_data, + }, + { + /* Point of View TAB-P1006W-232 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), + /* Note 105b is Foxcon's USB/PCI vendor id */ + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), + }, + .driver_data = (void *)&pov_tab_p1006w_data, + }, + {} +}; + +void brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) +{ + const struct dmi_system_id *match; + const struct brcmf_dmi_data *data; + const char *sys_vendor; + const char *product_name; + + /* Some models have DMI strings which are too generic, e.g. + * "Default string", we use a quirk table for these. + */ + for (match = dmi_first_match(dmi_platform_data); + match; + match = dmi_first_match(match + 1)) { + data = match->driver_data; + + if (data->chip == chip && data->chiprev == chiprev) { + settings->board_type = data->board_type; + return; + } + } + + /* Not found in the quirk-table, use sys_vendor-product_name */ + sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); + product_name = dmi_get_system_info(DMI_PRODUCT_NAME); + if (sys_vendor && product_name) { + snprintf(dmi_board_type, sizeof(dmi_board_type), "%s-%s", + sys_vendor, product_name); + settings->board_type = dmi_board_type; + } +} |