| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <arch/acpi.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <ec/acpi/ec.h> |
| #include <string.h> |
| #include <smbios.h> |
| #include <pc80/mc146818rtc.h> |
| #include <pc80/keyboard.h> |
| #include <types.h> |
| |
| #include "h8.h" |
| #include "chip.h" |
| |
| void h8_trackpoint_enable(int on) |
| { |
| ec_write(H8_TRACKPOINT_CTRL, |
| on ? H8_TRACKPOINT_ON : H8_TRACKPOINT_OFF); |
| |
| } |
| |
| /* Controls radio-off pin in WLAN MiniPCIe slot. */ |
| void h8_wlan_enable(int on) |
| { |
| if (on) |
| ec_set_bit(0x3a, 5); |
| else |
| ec_clr_bit(0x3a, 5); |
| } |
| |
| /* Controls radio-off pin in UWB MiniPCIe slot. */ |
| static void h8_uwb_enable(int on) |
| { |
| if (on) |
| ec_set_bit(0x31, 2); |
| else |
| ec_clr_bit(0x31, 2); |
| } |
| |
| static void h8_fn_ctrl_swap(int on) |
| { |
| if (on) |
| ec_set_bit(0xce, 4); |
| else |
| ec_clr_bit(0xce, 4); |
| } |
| |
| enum battery { |
| SECONDARY_BATTERY = 0, |
| PRIMARY_BATTERY = 1, |
| }; |
| |
| /* h8 charge priority. Defines if primary or secondary |
| * battery is charged first. |
| * Because NVRAM is complete the otherway around as this register, |
| * it's inverted by if |
| */ |
| static void h8_charge_priority(enum battery battery) |
| { |
| if (battery == PRIMARY_BATTERY) |
| ec_clr_bit(0x0, 4); |
| else |
| ec_set_bit(0x0, 4); |
| } |
| |
| static void h8_sticky_fn(int on) |
| { |
| if (on) |
| ec_set_bit(0x0, 3); |
| else |
| ec_clr_bit(0x0, 3); |
| } |
| |
| static void h8_log_ec_version(void) |
| { |
| char ecfw[17]; |
| u8 len; |
| u16 fwvh, fwvl; |
| |
| len = h8_build_id_and_function_spec_version(ecfw, sizeof ecfw - 1); |
| ecfw[len] = 0; |
| |
| fwvh = ec_read(0xe9); |
| fwvl = ec_read(0xe8); |
| |
| printk(BIOS_INFO, "EC Firmware ID %s, Version %d.%d%d%c\n", ecfw, |
| fwvh >> 4, fwvh & 0x0f, fwvl >> 4, 0x41 + (fwvl & 0xf)); |
| } |
| |
| void h8_set_audio_mute(int mute) |
| { |
| if (mute) |
| ec_set_bit(0x3a, 0); |
| else |
| ec_clr_bit(0x3a, 0); |
| } |
| |
| void h8_enable_event(int event) |
| { |
| if (event < 0 || event > 127) |
| return; |
| |
| ec_set_bit(0x10 + (event >> 3), event & 7); |
| } |
| |
| void h8_disable_event(int event) |
| { |
| if (event < 0 || event > 127) |
| return; |
| |
| ec_clr_bit(0x10 + (event >> 3), event & 7); |
| |
| } |
| |
| void h8_usb_always_on_enable(enum usb_always_on on) |
| { |
| u8 val; |
| |
| switch (on) { |
| case UAO_OFF: |
| val = ec_read(H8_USB_ALWAYS_ON); |
| // Clear bits 0,2,3 |
| val &= ~(H8_USB_ALWAYS_ON_ENABLE | H8_USB_ALWAYS_ON_AC_ONLY); |
| ec_write(H8_USB_ALWAYS_ON, val); |
| break; |
| |
| case UAO_AC_AND_BATTERY: |
| val = ec_read(H8_USB_ALWAYS_ON); |
| val |= H8_USB_ALWAYS_ON_ENABLE; // Set bit 0 |
| val &= ~H8_USB_ALWAYS_ON_AC_ONLY; // Clear bits 2 and 3 |
| ec_write(H8_USB_ALWAYS_ON, val); |
| break; |
| |
| case UAO_AC_ONLY: |
| val = ec_read(H8_USB_ALWAYS_ON); |
| // Set bits 0,2,3 |
| val |= (H8_USB_ALWAYS_ON_ENABLE | H8_USB_ALWAYS_ON_AC_ONLY); |
| ec_write(H8_USB_ALWAYS_ON, val); |
| break; |
| } |
| } |
| |
| void h8_usb_power_enable(int onoff) |
| { |
| if (onoff) |
| ec_set_bit(0x3b, 4); |
| else |
| ec_clr_bit(0x3b, 4); |
| } |
| |
| int h8_ultrabay_device_present(void) |
| { |
| return ec_read(H8_STATUS1) & 0x5 ? 0 : 1; |
| } |
| |
| u8 h8_build_id_and_function_spec_version(char *buf, u8 buf_len) |
| { |
| u8 i, c; |
| char str[16 + 1]; /* 16 ASCII chars + \0 */ |
| |
| /* Build ID */ |
| for (i = 0; i < 8; i++) { |
| c = ec_read(0xf0 + i); |
| if (c < 0x20 || c > 0x7f) { |
| i = snprintf(str, sizeof (str), "*INVALID"); |
| break; |
| } |
| str[i] = c; |
| } |
| |
| /* EC firmware function specification version */ |
| i += snprintf(str + i, sizeof (str) - i, "-%u.%u", ec_read(0xef), ec_read(0xeb)); |
| |
| i = MIN(buf_len, i); |
| memcpy(buf, str, i); |
| |
| return i; |
| } |
| |
| #if CONFIG(GENERATE_SMBIOS_TABLES) |
| static void h8_smbios_strings(struct device *dev, struct smbios_type11 *t) |
| { |
| char tpec[] = "IBM ThinkPad Embedded Controller -[ ]-"; |
| |
| h8_build_id_and_function_spec_version(tpec + 35, 17); |
| |
| t->count = smbios_add_string(t->eos, tpec); |
| } |
| #endif |
| |
| static void h8_init(struct device *dev) |
| { |
| pc_keyboard_init(NO_AUX_DEVICE); |
| } |
| |
| #if CONFIG(HAVE_ACPI_TABLES) |
| static const char *h8_acpi_name(const struct device *dev) |
| { |
| return "EC"; |
| } |
| #endif |
| |
| struct device_operations h8_dev_ops = { |
| #if CONFIG(GENERATE_SMBIOS_TABLES) |
| .get_smbios_strings = h8_smbios_strings, |
| #endif |
| #if CONFIG(HAVE_ACPI_TABLES) |
| .acpi_fill_ssdt_generator = h8_ssdt_generator, |
| .acpi_name = h8_acpi_name, |
| #endif |
| .init = h8_init, |
| }; |
| |
| static void h8_enable(struct device *dev) |
| { |
| struct ec_lenovo_h8_config *conf = dev->chip_info; |
| u8 val; |
| u8 beepmask0, beepmask1, reg8; |
| |
| dev->ops = &h8_dev_ops; |
| |
| ec_clear_out_queue(); |
| h8_log_ec_version(); |
| |
| /* Always enable I/O range 0x1600-0x160f and thermal management */ |
| reg8 = conf->config0; |
| reg8 |= H8_CONFIG0_SMM_H8_ENABLE; |
| reg8 |= H8_CONFIG0_TC_ENABLE; |
| ec_write(H8_CONFIG0, reg8); |
| |
| reg8 = conf->config1; |
| if (conf->has_keyboard_backlight) { |
| if (get_option(&val, "backlight") != CB_SUCCESS) |
| val = 0; /* Both backlights. */ |
| reg8 = (reg8 & 0xf3) | ((val & 0x3) << 2); |
| } |
| ec_write(H8_CONFIG1, reg8); |
| ec_write(H8_CONFIG2, conf->config2); |
| ec_write(H8_CONFIG3, conf->config3); |
| |
| beepmask0 = conf->beepmask0; |
| beepmask1 = conf->beepmask1; |
| |
| if (conf->has_power_management_beeps |
| && get_option(&val, "power_management_beeps") == CB_SUCCESS |
| && val == 0) { |
| beepmask0 = 0x00; |
| beepmask1 = 0x00; |
| } |
| |
| if (conf->has_power_management_beeps) { |
| if (get_option(&val, "low_battery_beep") != CB_SUCCESS) |
| val = 1; |
| if (val) |
| beepmask0 |= 2; |
| else |
| beepmask0 &= ~2; |
| } |
| |
| ec_write(H8_SOUND_ENABLE0, beepmask0); |
| ec_write(H8_SOUND_ENABLE1, beepmask1); |
| |
| /* silence sounds in queue */ |
| ec_write(H8_SOUND_REPEAT, 0x00); |
| ec_write(H8_SOUND_REG, 0x00); |
| |
| ec_write(0x10, conf->event0_enable); |
| ec_write(0x11, conf->event1_enable); |
| ec_write(0x12, conf->event2_enable); |
| ec_write(0x13, conf->event3_enable); |
| ec_write(0x14, conf->event4_enable); |
| ec_write(0x15, conf->event5_enable); |
| ec_write(0x16, conf->event6_enable); |
| ec_write(0x17, conf->event7_enable); |
| ec_write(0x18, conf->event8_enable); |
| ec_write(0x19, conf->event9_enable); |
| ec_write(0x1a, conf->eventa_enable); |
| ec_write(0x1b, conf->eventb_enable); |
| ec_write(0x1c, conf->eventc_enable); |
| ec_write(0x1d, conf->eventd_enable); |
| ec_write(0x1e, conf->evente_enable); |
| ec_write(0x1f, conf->eventf_enable); |
| |
| ec_write(H8_FAN_CONTROL, H8_FAN_CONTROL_AUTO); |
| |
| if (get_option(&val, "usb_always_on") != CB_SUCCESS) |
| val = 0; |
| h8_usb_always_on_enable(val); |
| |
| if (get_option(&val, "wlan") != CB_SUCCESS) |
| val = 1; |
| h8_wlan_enable(val); |
| |
| h8_trackpoint_enable(1); |
| h8_usb_power_enable(1); |
| |
| if (get_option(&val, "volume") == CB_SUCCESS && !acpi_is_wakeup_s3()) |
| ec_write(H8_VOLUME_CONTROL, val); |
| |
| val = (CONFIG(H8_SUPPORT_BT_ON_WIFI) || h8_has_bdc(dev)) && |
| h8_bluetooth_nv_enable(); |
| h8_bluetooth_enable(val); |
| |
| val = h8_has_wwan(dev) && h8_wwan_nv_enable(); |
| h8_wwan_enable(val); |
| |
| if (conf->has_uwb) { |
| if (get_option(&val, "uwb") != CB_SUCCESS) |
| val = 1; |
| |
| h8_uwb_enable(val); |
| } |
| |
| if (get_option(&val, "fn_ctrl_swap") != CB_SUCCESS) |
| val = 0; |
| h8_fn_ctrl_swap(val); |
| |
| if (get_option(&val, "sticky_fn") != CB_SUCCESS) |
| val = 0; |
| h8_sticky_fn(val); |
| |
| if (get_option(&val, "first_battery") != CB_SUCCESS) |
| val = PRIMARY_BATTERY; |
| h8_charge_priority(val); |
| |
| h8_set_audio_mute(0); |
| |
| #if !CONFIG(H8_DOCK_EARLY_INIT) |
| h8_mainboard_init_dock(); |
| #endif |
| } |
| |
| struct chip_operations ec_lenovo_h8_ops = { |
| CHIP_NAME("Lenovo H8 EC") |
| .enable_dev = h8_enable, |
| }; |