| /* 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, |
| }; |