1b9d2ee6ca
Signed-off-by: Sven Schnelle <svens@stackframe.org> Acked-by: Sven Schnelle <svens@stackframe.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6509 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/io.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pnp.h>
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#include <stdlib.h>
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#include "pmh7.h"
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#include "chip.h"
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void pmh7_backlight_enable(int onoff)
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{
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if (onoff)
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pmh7_register_set_bit(0x50, 5);
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else
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pmh7_register_clear_bit(0x50, 5);
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}
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void pmh7_dock_event_enable(int onoff)
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{
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if (onoff)
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pmh7_register_set_bit(0x60, 3);
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else
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pmh7_register_clear_bit(0x60, 3);
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}
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void pmh7_register_set_bit(int reg, int bit)
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{
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char val;
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outb(reg, EC_LENOVO_PMH7_ADDR);
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val = inb(EC_LENOVO_PMH7_DATA);
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outb(reg, EC_LENOVO_PMH7_ADDR);
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outb(val | (1 << bit), EC_LENOVO_PMH7_DATA);
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}
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void pmh7_register_clear_bit(int reg, int bit)
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{
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char val;
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outb(reg, EC_LENOVO_PMH7_ADDR);
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val = inb(EC_LENOVO_PMH7_DATA);
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outb(reg, EC_LENOVO_PMH7_ADDR);
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outb(val &= ~(1 << bit), EC_LENOVO_PMH7_DATA);
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}
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char pmh7_register_read(int reg)
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{
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outb(reg, EC_LENOVO_PMH7_ADDR);
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return inb(EC_LENOVO_PMH7_DATA);
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}
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void pmh7_register_write(int reg, int val)
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{
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outb(reg, EC_LENOVO_PMH7_ADDR);
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outb(val, EC_LENOVO_PMH7_DATA);
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}
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static void enable_dev(device_t dev)
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{
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struct ec_lenovo_pmh7_config *conf = dev->chip_info;
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struct resource *resource;
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resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
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resource->flags = IORESOURCE_IO | IORESOURCE_FIXED;
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resource->base = EC_LENOVO_PMH7_BASE;
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resource->size = 16;
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resource->align = 5;
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resource->gran = 5;
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pmh7_backlight_enable(conf->backlight_enable);
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pmh7_dock_event_enable(conf->dock_event_enable);
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}
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struct chip_operations ec_lenovo_pmh7_ops = {
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CHIP_NAME("Lenovo Power Management Hardware Hub 7")
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.enable_dev = enable_dev,
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};
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