mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <types.h>
#include <device/device.h>
#include <drivers/intel/gma/int15.h>
#include <acpi/acpi.h>
#include <ec/smsc/mec1308/ec.h>
#include "ec.h"
#include "onboard.h"
#include <southbridge/intel/bd82x6x/pch.h>
#include <smbios.h>
 
void mainboard_suspend_resume(void)
{
        /* Enable EC ACPI mode for the OS before resume */
        send_ec_command(EC_SMI_DISABLE);
        send_ec_command(EC_ACPI_ENABLE);
}
 
static void mainboard_init(struct device *dev)
{
        /* Initialize the Embedded Controller */
        lumpy_ec_init();
}
 
static int lumpy_smbios_type41_irq(int *handle, unsigned long *current,
                                   const char *name, u8 irq, u8 addr)
{
        struct smbios_type41 *t = smbios_carve_table(*current,
                                                SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION,
                                                sizeof(*t), *handle);
 
        t->reference_designation = smbios_add_string(t->eos, name);
        t->device_type = SMBIOS_DEVICE_TYPE_OTHER;
        t->device_status = 1;
        t->device_type_instance = irq;
        t->segment_group_number = 0;
        t->bus_number = addr;
        t->function_number = 0;
        t->device_number = 0;
 
        const int len = smbios_full_table_len(&t->header, t->eos);
        *current += len;
        *handle += 1;
        return len;
}
 
 
static int lumpy_onboard_smbios_data(struct device *dev, int *handle,
                                     unsigned long *current)
{
        int len = 0;
 
        len += lumpy_smbios_type41_irq(handle, current,
                                       BOARD_LIGHTSENSOR_NAME,
                                       BOARD_LIGHTSENSOR_IRQ,
                                       BOARD_LIGHTSENSOR_I2C_ADDR);
 
        len += lumpy_smbios_type41_irq(handle, current,
                                       BOARD_TRACKPAD_NAME,
                                       BOARD_TRACKPAD_IRQ,
                                       BOARD_TRACKPAD_I2C_ADDR);
 
        return len;
}
 
// mainboard_enable is executed as first thing after
// enumerate_buses().
 
static void mainboard_enable(struct device *dev)
{
        dev->ops->init = mainboard_init;
        dev->ops->get_smbios_data = lumpy_onboard_smbios_data;
        install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
}
 
struct chip_operations mainboard_ops = {
        .enable_dev = mainboard_enable,
};