| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <southbridge/intel/common/gpio.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <ec/acpi/ec.h> |
| #include <option.h> |
| #include <types.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(const 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; |
| } |