// 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 acer_a1_840_data = {
        BRCM_CC_43340_CHIP_ID, 2, "acer-a1-840"
};

/* The Chuwi Hi8 Pro uses the same Ampak AP6212 module as the Chuwi Vi8 Plus
 * and the nvram for the Vi8 Plus is already in linux-firmware, so use that.
 */
static const struct brcmf_dmi_data chuwi_hi8_pro_data = {
        BRCM_CC_43430_CHIP_ID, 0, "ilife-S806"
};

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 brcmf_dmi_data predia_basic_data = {
        BRCM_CC_43341_CHIP_ID, 2, "predia-basic"
};

/* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the
 * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the
 * Prowise-PT301 is already in linux-firmware we just point to that here.
 */
static const struct brcmf_dmi_data voyo_winpad_a15_data = {
        BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"
};

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"),
                        DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"),
                        /* 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"),
                        DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"),
                        /* also match on somewhat unique bios-version */
                        DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"),
                },
                .driver_data = (void *)&acepc_t8_data,
        },
        {
                /* ACEPC W5 Pro Cherry Trail Z8350 HDMI stick, same wifi as the T8 */
                .matches = {
                        DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
                        DMI_MATCH(DMI_CHASSIS_TYPE, "3"),
                        DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
                },
                .driver_data = (void *)&acepc_t8_data,
        },
        {
                /* Acer Iconia One 8 A1-840 (non FHD version) */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
                        DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
                        /* Above strings are too generic also match BIOS date */
                        DMI_MATCH(DMI_BIOS_DATE, "04/01/2014"),
                },
                .driver_data = (void *)&acer_a1_840_data,
        },
        {
                /* Chuwi Hi8 Pro with D2D3_Hi8Pro.233 BIOS */
                .matches = {
                        DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
                        DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
                        DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "MRD"),
                        /* Above strings are too generic, also match on BIOS date */
                        DMI_MATCH(DMI_BIOS_DATE, "05/10/2016"),
                },
                .driver_data = (void *)&chuwi_hi8_pro_data,
        },
        {
                /* Cyberbook T116 rugged tablet */
                .matches = {
                        DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
                        DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
                        DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"),
                },
                /* The factory image nvram file is identical to the ACEPC T8 one */
                .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,
        },
        {
                /* Predia Basic tablet (+ with keyboard dock) */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
                        DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
                        /* Mx.WT107.KUBNGEA02 with the version-nr dropped */
                        DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
                },
                .driver_data = (void *)&predia_basic_data,
        },
        {
                /* Voyo winpad A15 tablet */
                .matches = {
                        DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
                        DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
                        /* Above strings are too generic, also match on BIOS date */
                        DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
                },
                .driver_data = (void *)&voyo_winpad_a15_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;
        }
}