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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <cpu/x86/msr.h>
#include <device/device.h>
#include <device/mmio.h>
#include <device/pnp.h>
#include <ec/acpi/ec.h>
#include <option.h>
#include <pc80/keyboard.h>
#include <soc/msr.h>
#include <superio/conf_mode.h>
#include "chip.h"
#include "commands.h"
#include "ec.h"
static void pnp_configure_smfi(void)
{
if (!CONFIG_EC_CLEVO_IT5570E_MEM_BASE) {
printk(BIOS_ERR, "EC: no LGMR base address configured. Check your config!\n");
return;
}
/* Check for valid address (0xfeXXX000/0xffXXX000) */
if ((CONFIG_EC_CLEVO_IT5570E_MEM_BASE & 0xfe000fff) != 0xfe000000) {
printk(BIOS_ERR, "EC: LGMR base address 0x%08x invalid. Check your config!\n",
CONFIG_EC_CLEVO_IT5570E_MEM_BASE);
return;
}
struct device dev = {
.path.type = DEVICE_PATH_PNP,
.path.pnp.port = 0x2e,
.path.pnp.device = IT5570E_SMFI,
};
dev.ops->ops_pnp_mode = &pnp_conf_mode_870155_aa;
/* Configure SMFI for LGMR */
pnp_enter_conf_mode(&dev);
pnp_set_logical_device(&dev);
pnp_set_enable(&dev, 1);
pnp_write_config(&dev, HLPCRAMBA_24, CONFIG_EC_CLEVO_IT5570E_MEM_BASE >> 24 & 0x01);
pnp_write_config(&dev, HLPCRAMBA_23_16, CONFIG_EC_CLEVO_IT5570E_MEM_BASE >> 16 & 0xff);
pnp_write_config(&dev, HLPCRAMBA_15_12, CONFIG_EC_CLEVO_IT5570E_MEM_BASE >> 8 & 0xf0);
pnp_exit_conf_mode(&dev);
}
static void ec_init(struct device *dev)
{
if (!dev->enabled)
return;
const ec_config_t *config = config_of(dev);
printk(BIOS_DEBUG, "%s init.\n", dev->chip_ops->name);
const char *const model = ec_read_model();
const char *const version = ec_read_fw_version();
printk(BIOS_DEBUG, "EC FW: model %s, version %s\n", model, version);
pnp_configure_smfi();
ec_set_ac_fan_always_on(
get_uint_option("ac_fan_always_on", CONFIG(EC_CLEVO_IT5570E_AC_FAN_ALWAYS_ON)));
ec_set_kbled_timeout(
get_uint_option("kbled_timeout", CONFIG_EC_CLEVO_IT5570E_KBLED_TIMEOUT));
ec_set_fn_win_swap(
get_uint_option("fn_win_swap", CONFIG(EC_CLEVO_IT5570E_FN_WIN_SWAP)));
ec_set_flexicharger(
get_uint_option("flexicharger", CONFIG(EC_CLEVO_IT5570E_FLEXICHARGER)),
get_uint_option("flexicharger_start", CONFIG_EC_CLEVO_IT5570E_FLEXICHG_START),
get_uint_option("flexicharger_stop", CONFIG_EC_CLEVO_IT5570E_FLEXICHG_STOP));
ec_set_camera_boot_state(
get_uint_option("camera_boot_state", CONFIG_EC_CLEVO_IT5570E_CAM_BOOT_STATE));
ec_set_tp_toggle_mode(
get_uint_option("tp_toggle_mode", CONFIG_EC_CLEVO_IT5570E_TP_TOGGLE_MODE));
/*
* The vendor abuses the field PL2B (originally named PL1T) to set PL2 via PECI on
* battery-only. With AC attached, PL2B (PL1T) gets set as PL1 and PL2T as PL2, but
* both are never enabled (bit 15). Since PL1 is never enabled, Tau isn't either.
* Thus, set PL2T, TAUT to zero, so the EC doesn't write these non-effective values.
*/
const uint16_t power_unit = 1 << (msr_read(MSR_PKG_POWER_SKU_UNIT) & 0xf);
write16p(ECRAM + PL2B, config->pl2_on_battery * power_unit);
write16p(ECRAM + PL2T, 0);
write16p(ECRAM + TAUT, 0);
ec_set_aprd();
pc_keyboard_init(NO_AUX_DEVICE);
}
static const char *ec_acpi_name(const struct device *dev)
{
return "EC0";
}
static void ec_fill_ssdt_generator(const struct device *dev)
{
ec_fan_curve_fill_ssdt(dev);
}
static struct device_operations ec_ops = {
.init = ec_init,
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.acpi_fill_ssdt = ec_fill_ssdt_generator,
.acpi_name = ec_acpi_name,
};
static void enable_dev(struct device *dev)
{
if (dev->path.type == DEVICE_PATH_GENERIC && dev->path.generic.id == 0)
dev->ops = &ec_ops;
else
printk(BIOS_ERR, "EC: Unknown device. Check your devicetree!\n");
}
struct chip_operations ec_clevo_it5570e_ops = {
.name = "Clevo IT5570E EC",
.enable_dev = enable_dev,
};
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