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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <device/device.h>
#include <device/pnp.h>
#include <superio/conf_mode.h>
#include <pc80/keyboard.h>
#include <superio/ite/common/env_ctrl.h>
#include <option.h>
#include "chip.h"
#include "it8728f.h"
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#define MAINBOARD_POWER_KEEP 2
static void it8728f_init(struct device *dev)
{
const struct superio_ite_it8728f_config *conf = dev->chip_info;
const struct resource *res;
uint8_t power_status;
uint8_t byte_f2, byte_f4;
if (!dev->enabled)
return;
switch (dev->path.pnp.device) {
/* TODO: Might potentially need code for FDC etc. */
case IT8728F_EC:
res = probe_resource(dev, PNP_IDX_IO0);
if (!conf || !res)
break;
ite_ec_init(res->base, &conf->ec);
/* Set power state after power fail */
power_status = get_uint_option("power_on_after_fail",
CONFIG_MAINBOARD_POWER_FAILURE_STATE);
pnp_enter_conf_mode(dev);
pnp_set_logical_device(dev);
byte_f4 = pnp_read_config(dev, 0xf4);
byte_f2 = pnp_read_config(dev, 0xf2);
if (power_status == MAINBOARD_POWER_ON) {
byte_f4 |= 0x20;
} else if (power_status == MAINBOARD_POWER_KEEP) {
byte_f4 &= ~0x20;
byte_f2 |= 0x20;
} else {
byte_f4 &= ~0x20;
byte_f2 &= ~0x20;
}
pnp_write_config(dev, 0xf4, byte_f4);
pnp_write_config(dev, 0xf2, byte_f2);
pnp_exit_conf_mode(dev);
printk(BIOS_INFO, "set power %u after power fail\n", power_status);
break;
case IT8728F_KBCK:
set_kbc_ps2_mode();
pc_keyboard_init(NO_AUX_DEVICE);
break;
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_alt_enable,
.init = it8728f_init,
.ops_pnp_mode = &pnp_conf_mode_870155_aa,
};
static struct pnp_info pnp_dev_info[] = {
{ NULL, IT8728F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x0ff8, },
{ NULL, IT8728F_SP1, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
{ NULL, IT8728F_SP2, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
{ NULL, IT8728F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x0ffc, },
{ NULL, IT8728F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x0ff8, 0x0ff8, },
{ NULL, IT8728F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x0fff, 0x0fff, },
{ NULL, IT8728F_KBCM, PNP_IRQ0, },
{ NULL, IT8728F_GPIO, PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_IRQ0,
0x0fff, 0x0ff8, 0x0ff8, },
{ NULL, IT8728F_IR, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8728f_ops = {
.name = "ITE IT8728F Super I/O",
.enable_dev = enable_dev
};
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