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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 secunet Security Networks AG
*
* 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.
*/
#ifndef SUPERIO_ACPI_PNP_DEFS_ASL
#define SUPERIO_ACPI_PNP_DEFS_ASL
#define _SUPERIO_ID(name, ldn) name ## ldn
#define SUPERIO_ID(name, ldn) _SUPERIO_ID(name, ldn)
#define STRINGIFY(x) #x
#define EXPAND_AND_STRINGIFY(x) STRINGIFY(x)
#define SUPERIO_UID(name, ldn) \
EXPAND_AND_STRINGIFY(SUPERIO_CHIP_NAME-SUPERIO_ID(name, ldn))
#define SUPERIO_NAME(name) EXPAND_AND_STRINGIFY(SUPERIO_CHIP_NAME name)
/* Some longer identifiers for readability */
#define PNP_ADDR_REG ADDR
#define PNP_DATA_REG DATA
#define PNP_LOGICAL_DEVICE LDN
#define PNP_DEVICE_ACTIVE ACTR
#define PNP_IO0_HIGH_BYTE IO0H
#define PNP_IO0_LOW_BYTE IO0L
#define PNP_IO1_HIGH_BYTE IO1H
#define PNP_IO1_LOW_BYTE IO1L
#define PNP_IO2_HIGH_BYTE IO2H
#define PNP_IO2_LOW_BYTE IO2L
#define PNP_IRQ0 IRQ0
#define PNP_IRQ1 IRQ1
#define PNP_DMA0 DMA0
#define CONF_MODE_MUTEX CMMX
#define ENTER_CONFIG_MODE ENCM
#define EXIT_CONFIG_MODE EXCM
#define SWITCH_LDN SWLD
#define PNP_NO_LDN_CHANGE 0xff
/* Values for ACPI's _STA method */
#define DEVICE_NOT_PRESENT 0x00
#define DEVICE_PRESENT_ACTIVE 0x0f
#define DEVICE_PRESENT_INACTIVE 0x0d
/* ================== Generic Method bodies ================= */
#define PNP_GENERIC_STA(LDN) \
ENTER_CONFIG_MODE (LDN)\
If (PNP_DEVICE_ACTIVE) {\
Store (DEVICE_PRESENT_ACTIVE, Local0)\
}\
Else\
{\
Store (DEVICE_PRESENT_INACTIVE, Local0)\
}\
EXIT_CONFIG_MODE ()\
Return (Local0)\
#define PNP_GENERIC_DIS(LDN) \
ENTER_CONFIG_MODE (LDN)\
Store (Zero, PNP_DEVICE_ACTIVE)\
EXIT_CONFIG_MODE ()\
/*
* Current power state (returns the chip's state)
*/
#define PNP_DEFAULT_PSC \
Store(^^_PSC (), Local0)\
Return (Local0)
/*
* Current power state (returns the chip's state, if it's in
* power saving mode, 1 if this LDN is in power saving mode,
* 0 else)
*
* PM_REG Identifier of a register which powers down the device
* PM_LDN The logical device number to access the PM_REG
* bit
*/
#define PNP_GENERIC_PSC(PM_REG, PM_VAL, PM_LDN) \
Store(^^_PSC (), Local0)\
If (Local0) { Return (Local0) }\
ENTER_CONFIG_MODE (PM_LDN)\
Store (PM_REG, Local0)\
EXIT_CONFIG_MODE ()\
If (LEqual(Local0, PM_VAL)) { Return (1) }\
Else { Return (0) }\
/* Disable power saving mode */
#define PNP_GENERIC_PS0(PM_REG, PM_VAL, PM_LDN) \
ENTER_CONFIG_MODE (PM_LDN)\
Store (Not(PM_VAL), PM_REG)\
EXIT_CONFIG_MODE ()
/* Enable power saving mode */
#define PNP_GENERIC_PS1(PM_REG, PM_VAL, PM_LDN) \
ENTER_CONFIG_MODE (PM_LDN)\
Store (PM_VAL, PM_REG)\
EXIT_CONFIG_MODE ()
/* ==================== Resource helpers ==================== */
#define PNP_READ_IO(IO_FROM, RESOURCE_TEMPLATE, IO_TAG) \
CreateWordField (RESOURCE_TEMPLATE, IO_TAG._MIN, IO_TAG##I)\
CreateWordField (RESOURCE_TEMPLATE, IO_TAG._MAX, IO_TAG##A)\
Or (ShiftLeft (IO_FROM##_HIGH_BYTE, 8), IO_FROM##_LOW_BYTE, Local0)\
Store (Local0, IO_TAG##I)\
Store (Local0, IO_TAG##A)
#define PNP_READ_IRQ(IRQ_FROM, RESOURCE_TEMPLATE, IRQ_TAG) \
CreateWordField (RESOURCE_TEMPLATE, IRQ_TAG._INT, IRQ_TAG##W)\
ShiftLeft (One, IRQ_FROM, IRQ_TAG##W)
#define PNP_READ_DMA(DMA_FROM, RESOURCE_TEMPLATE, DMA_TAG) \
CreateByteField (RESOURCE_TEMPLATE, DMA_TAG._DMA, DMA_TAG##W)\
ShiftLeft (One, DMA_FROM, DMA_TAG##W)
#define PNP_WRITE_IO(IO_TO, RESOURCE, IO_TAG) \
CreateWordField (RESOURCE, IO_TAG._MIN, IO_TAG##I)\
Store (And(IO_TAG##I, 0xff), IO_TO##_LOW_BYTE)\
Store (ShiftRight(IO_TAG##I, 8), IO_TO##_HIGH_BYTE)
#define PNP_WRITE_IRQ(IRQ_TO, RESOURCE, IRQ_TAG) \
CreateWordField (RESOURCE, IRQ_TAG._INT, IRQ_TAG##W)\
Subtract (FindSetLeftBit (IRQ_TAG##W), 1, IRQ_TO)
#define PNP_WRITE_DMA(DMA_TO, RESOURCE, DMA_TAG) \
CreateByteField (RESOURCE, DMA_TAG._DMA, DMA_TAG##W)\
Subtract (FindSetLeftBit (DMA_TAG##W), 1, DMA_TO)
#endif