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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 Patrick Rudolph <siro@das-labor.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <southbridge/intel/common/gpio.h>
#include <console/console.h>
#include <device/device.h>
#include <ec/acpi/ec.h>
#include <option.h>
#include "h8.h"
#include "chip.h"
/* Controls radio-off pin in WWAN MiniPCIe slot. */
void h8_wwan_enable(int on)
{
if (on)
ec_set_bit(0x3a, 6);
else
ec_clr_bit(0x3a, 6);
}
/*
* Detect WWAN on supported MBs.
*/
bool h8_has_wwan(struct device *dev)
{
struct ec_lenovo_h8_config *conf = dev->chip_info;
if (!conf->has_wwan_detection) {
printk(BIOS_INFO, "H8: WWAN detection not implemented. "
"Assuming WWAN installed\n");
return true;
}
if (get_gpio(conf->wwan_gpio_num) == conf->wwan_gpio_lvl) {
printk(BIOS_INFO, "H8: WWAN installed\n");
return true;
}
printk(BIOS_INFO, "H8: WWAN not installed\n");
return false;
}
/*
* Return WWAN NVRAM setting.
*/
bool h8_wwan_nv_enable(void)
{
u8 val;
if (get_option(&val, "wwan") != CB_SUCCESS)
return true;
return val;
}
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