variant.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <sar.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <ec/google/chromeec/ec.h>
#include <soc/intel/apollolake/chip.h>
 
enum {
        SKU_37_DROID = 37, /* LTE */
        SKU_38_DROID = 38, /* LTE + Touch */
        SKU_39_DROID = 39, /* LTE + KB backlight*/
        SKU_40_DROID = 40, /* LTE + Touch + KB backlight*/
};
 
const char *get_wifi_sar_cbfs_filename(void)
{
        uint32_t sku_id = google_chromeec_get_board_sku();
 
        if (sku_id >= 33 && sku_id <= 44)
                return "wifi_sar-droid.hex";
 
        return WIFI_SAR_CBFS_DEFAULT_FILENAME;
}
 
void variant_smi_sleep(u8 slp_typ)
{
        /* Currently use cases here all target to S5 therefore we do early return
         * here for saving one transaction to the EC for getting SKU ID. */
        if (slp_typ != ACPI_S5)
                return;
 
        switch (google_chromeec_get_board_sku()) {
        case SKU_37_DROID:
        case SKU_38_DROID:
        case SKU_39_DROID:
        case SKU_40_DROID:
                power_off_lte_module();
                return;
        default:
                return;
        }
}
 
void variant_update_devtree(struct device *dev)
{
        struct soc_intel_apollolake_config *cfg = NULL;
 
        cfg = (struct soc_intel_apollolake_config *)dev->chip_info;
 
        if (cfg != NULL && (cfg->disable_xhci_lfps_pm != 1)) {
                switch (google_chromeec_get_board_sku()) {
                case 37:
                case 38:
                case 39:
                case 40:
                        cfg->disable_xhci_lfps_pm = 1;
                        return;
                default:
                        return;
                }
        }
}