smihandler.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <cpu/x86/smm.h>
#include <delay.h>
#include <ec/google/chromeec/ec.h>
#include <ec/google/chromeec/smm.h>
#include <elog.h>
#include <gpio.h>
#include <intelblocks/smihandler.h>
#include <soc/pm.h>
#include <soc/gpio.h>
#include <variant/ec.h>
#include <variant/gpio.h>
 
struct gpio_with_delay {
        gpio_t gpio;
        unsigned int delay_msecs;
};
 
void mainboard_smi_gpi_handler(const struct gpi_status *sts)
{
        if (gpi_status_get(sts, EC_SMI_GPI))
                chromeec_smi_process_events();
}
 
void mainboard_smi_sleep(u8 slp_typ)
{
        const struct pad_config *pads;
        size_t num;
 
        pads = variant_sleep_gpio_table(&num, slp_typ);
        gpio_configure_pads(pads, num);
 
        variant_smi_sleep(slp_typ);
 
        chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
                                MAINBOARD_EC_S5_WAKE_EVENTS);
}
 
int mainboard_smi_apmc(u8 apmc)
{
        chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS,
                                MAINBOARD_EC_SMI_EVENTS);
        return 0;
}
 
void mainboard_smi_espi_handler(void)
{
        chromeec_smi_process_events();
}
 
void elog_gsmi_cb_mainboard_log_wake_source(void)
{
        google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
                                        MAINBOARD_EC_S0IX_WAKE_EVENTS);
}
 
void __weak variant_smi_sleep(u8 slp_typ)
{
        /* Leave for the variant to implement if necessary. */
}
 
void power_off_lte_module(void)
{
 
        const struct gpio_with_delay lte_power_off_gpios[] = {
                {
                        GPIO_161, /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */
                        30,
                },
                {
                        GPIO_117, /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */
                        100
                },
                {
                        GPIO_67, /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */
                        0
                }
        };
 
        for (int i = 0; i < ARRAY_SIZE(lte_power_off_gpios); i++) {
                gpio_output(lte_power_off_gpios[i].gpio, 0);
                mdelay(lte_power_off_gpios[i].delay_msecs);
        }
}