early_init.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <arch/io.h>
#include <device/pnp_def.h>
#include <device/pnp_ops.h>
 
#include "it8772f.h"
 
/* NOTICE: This file is deprecated, use ite/common instead */
 
void it8772f_enter_conf(pnp_devfn_t dev)
{
        u16 port = dev >> 8;
 
        outb(0x87, port);
        outb(0x01, port);
        outb(0x55, port);
        outb((port == 0x4e) ? 0xaa : 0x55, port);
}
 
void it8772f_exit_conf(pnp_devfn_t dev)
{
        pnp_write_config(dev, IT8772F_CONFIG_REG_CC, 0x02);
}
 
/* Set AC resume to be up to the Southbridge */
void it8772f_ac_resume_southbridge(pnp_devfn_t dev)
{
        it8772f_enter_conf(dev);
        pnp_write_config(dev, IT8772F_CONFIG_REG_LDN, IT8772F_EC);
        pnp_write_config(dev, PNP_IDX_MSC4, 0x60);
        it8772f_exit_conf(dev);
}
 
/* Configure a set of GPIOs */
void it8772f_gpio_setup(pnp_devfn_t dev, int set, u8 select, u8 polarity,
                        u8 pullup, u8 output, u8 enable)
{
        set--; /* Set 1 is offset 0 */
        it8772f_enter_conf(dev);
        pnp_write_config(dev, IT8772F_CONFIG_REG_LDN, IT8772F_GPIO);
        if (set < 5) {
                pnp_write_config(dev, GPIO_REG_SELECT(set), select);
                pnp_write_config(dev, GPIO_REG_ENABLE(set), enable);
                pnp_write_config(dev, GPIO_REG_POLARITY(set), polarity);
        }
        pnp_write_config(dev, GPIO_REG_OUTPUT(set), output);
        pnp_write_config(dev, GPIO_REG_PULLUP(set), pullup);
        it8772f_exit_conf(dev);
}
 
/* Configure LED GPIOs */
void it8772f_gpio_led(pnp_devfn_t dev,int set, u8 select, u8 polarity, u8 pullup,
                        u8 output, u8 enable, u8 led_pin_map, u8 led_freq)
{
        set--; /* Set 1 is offset 0 */
        it8772f_enter_conf(dev);
        pnp_write_config(dev, IT8772F_CONFIG_REG_LDN, IT8772F_GPIO);
        if (set < 5) {
                pnp_write_config(dev, IT8772F_GPIO_LED_BLINK1_PINMAP, led_pin_map);
                pnp_write_config(dev, IT8772F_GPIO_LED_BLINK1_CONTROL, led_freq);
                pnp_write_config(dev, GPIO_REG_SELECT(set), select);
                pnp_write_config(dev, GPIO_REG_ENABLE(set), enable);
                pnp_write_config(dev, GPIO_REG_POLARITY(set), polarity);
        }
        pnp_write_config(dev, GPIO_REG_OUTPUT(set), output);
        pnp_write_config(dev, GPIO_REG_PULLUP(set), pullup);
        it8772f_exit_conf(dev);
}