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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <console/console.h>
#include <arch/acpigen.h>
#include <string.h>
#include "h8.h"
#include "chip.h"
static char *h8_dsdt_scope(struct device *dev, const char *scope)
{
static char buf[DEVICE_PATH_MAX] = {};
const char *path = acpi_device_path(dev);
memset(buf, 0, sizeof(buf));
snprintf(buf, sizeof(buf) - 1, "%s.%s", path, scope);
return buf;
}
/*
* Generates EC SSDT.
*/
void h8_ssdt_generator(struct device *dev)
{
struct ec_lenovo_h8_config *conf = dev->chip_info;
if (!acpi_device_path(dev))
return;
printk(BIOS_INFO, "ACPI: * H8\n");
/* Scope HKEY */
acpigen_write_scope(h8_dsdt_scope(dev, "HKEY"));
/* Used by thinkpad_acpi */
acpigen_write_name_byte("HBDC", h8_has_bdc(dev) ? ONE_OP : ZERO_OP);
acpigen_write_name_byte("HWAN", h8_has_wwan(dev) ? ONE_OP : ZERO_OP);
acpigen_write_name_byte("HKBL", (conf && conf->has_keyboard_backlight) ?
ONE_OP : ZERO_OP);
acpigen_write_name_byte("HUWB", (conf && conf->has_uwb) ?
ONE_OP : ZERO_OP);
acpigen_pop_len(); /* Scope HKEY */
}
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