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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <ec/acpi/ec.h>
#include <device/pnp.h>
#include <stdlib.h>
#include "h8.h"
#include "chip.h"
#include <pc80/mc146818rtc.h>
#include <string.h>
#include <kconfig.h>
static void h8_bluetooth_enable(int on)
{
if (on)
ec_set_bit(0x3a, 4);
else
ec_clr_bit(0x3a, 4);
}
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 WWAN MiniPCIe slot. */
static void h8_wwan_enable(int on)
{
if (on)
ec_set_bit(0x3a, 6);
else
ec_clr_bit(0x3a, 6);
}
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_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;
}
static void h8_enable(device_t dev)
{
struct ec_lenovo_h8_config *conf = dev->chip_info;
u8 val, tmp;
h8_log_ec_version();
ec_write(H8_CONFIG0, conf->config0);
ec_write(H8_CONFIG1, conf->config1);
ec_write(H8_CONFIG2, conf->config2);
ec_write(H8_CONFIG3, conf->config3);
ec_write(H8_SOUND_ENABLE0, conf->beepmask0);
ec_write(H8_SOUND_ENABLE1, conf->beepmask1);
ec_write(H8_SOUND_REPEAT, 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);
h8_wlan_enable(1);
h8_trackpoint_enable(conf->trackpoint_enable);
h8_usb_power_enable(1);
if (get_option(&val, "volume") == CB_SUCCESS)
ec_write(H8_VOLUME_CONTROL, val);
if (get_option(&val, "bluetooth") != CB_SUCCESS)
val = 1;
h8_bluetooth_enable(val);
if (get_option(&val, "wwan") != CB_SUCCESS)
val = 1;
h8_wwan_enable(val);
if (get_option(&val, "first_battery") != CB_SUCCESS)
val = 1;
tmp = ec_read(H8_CONFIG3);
tmp &= ~(1 << 4);
tmp |= (val & 1) << 4;
ec_write(H8_CONFIG3, tmp);
h8_set_audio_mute(0);
#if !IS_ENABLED(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
};
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