42efd7f593
Change-Id: I449ec5b0bbf3f24d51688efef151d3018d2848b2 Signed-off-by: Felix Singer <felixsinger@posteo.net> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71524 Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
130 lines
3.6 KiB
Text
130 lines
3.6 KiB
Text
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef SUPERIO_ACPI_PNP_DEFS_ASL
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#define SUPERIO_ACPI_PNP_DEFS_ASL
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#define _SUPERIO_ID(name, ldn) name ## ldn
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#define SUPERIO_ID(name, ldn) _SUPERIO_ID(name, ldn)
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#define STRINGIFY(x) #x
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#define EXPAND_AND_STRINGIFY(x) STRINGIFY(x)
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#define SUPERIO_UID(name, ldn) \
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EXPAND_AND_STRINGIFY(SUPERIO_CHIP_NAME-SUPERIO_ID(name, ldn))
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#define SUPERIO_NAME(name) EXPAND_AND_STRINGIFY(SUPERIO_CHIP_NAME name)
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/* Some longer identifiers for readability */
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#define PNP_ADDR_REG ADDR
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#define PNP_DATA_REG DATA
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#define PNP_LOGICAL_DEVICE LDN
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#define PNP_DEVICE_ACTIVE ACTR
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#define PNP_IO0_HIGH_BYTE IO0H
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#define PNP_IO0_LOW_BYTE IO0L
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#define PNP_IO1_HIGH_BYTE IO1H
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#define PNP_IO1_LOW_BYTE IO1L
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#define PNP_IO2_HIGH_BYTE IO2H
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#define PNP_IO2_LOW_BYTE IO2L
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#define PNP_IRQ0 IRQ0
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#define PNP_IRQ1 IRQ1
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#define PNP_DMA0 DMA0
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#define CONF_MODE_MUTEX CMMX
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#define ENTER_CONFIG_MODE ENCM
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#define EXIT_CONFIG_MODE EXCM
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#define SWITCH_LDN SWLD
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#define PNP_NO_LDN_CHANGE 0xff
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/* Values for ACPI's _STA method */
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#define DEVICE_NOT_PRESENT 0x00
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#define DEVICE_PRESENT_ACTIVE 0x0f
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#define DEVICE_PRESENT_INACTIVE 0x0d
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/* ================== Generic Method bodies ================= */
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#define PNP_GENERIC_STA(LDN) \
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ENTER_CONFIG_MODE (LDN)\
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If (PNP_DEVICE_ACTIVE) {\
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Local0 = DEVICE_PRESENT_ACTIVE \
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}\
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Else\
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{\
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Local0 = DEVICE_PRESENT_INACTIVE \
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}\
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EXIT_CONFIG_MODE ()\
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Return (Local0)\
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#define PNP_GENERIC_DIS(LDN) \
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ENTER_CONFIG_MODE (LDN)\
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PNP_DEVICE_ACTIVE = 0 \
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EXIT_CONFIG_MODE ()\
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/*
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* Current power state (returns the chip's state)
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*/
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#define PNP_DEFAULT_PSC \
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Local0 = ^^_PSC () \
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Return (Local0)
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/*
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* Current power state (returns the chip's state, if it's in
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* power saving mode, 3 if this LDN is in power saving mode,
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* 0 else)
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*
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* PM_REG Identifier of a register which powers down the device
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* PM_LDN The logical device number to access the PM_REG
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* bit
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*/
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#define PNP_GENERIC_PSC(PM_REG, PM_VAL, PM_LDN) \
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Local0 = ^^_PSC () \
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If (Local0) { Return (Local0) }\
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ENTER_CONFIG_MODE (PM_LDN)\
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Local0 = PM_REG \
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EXIT_CONFIG_MODE ()\
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If (Local0 == PM_VAL) { Return (3) }\
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Else { Return (0) }\
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/* Disable power saving mode */
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#define PNP_GENERIC_PS0(PM_REG, PM_VAL, PM_LDN) \
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ENTER_CONFIG_MODE (PM_LDN)\
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PM_REG = ~PM_VAL \
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EXIT_CONFIG_MODE ()
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/* Enable power saving mode */
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#define PNP_GENERIC_PS3(PM_REG, PM_VAL, PM_LDN) \
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ENTER_CONFIG_MODE (PM_LDN)\
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PM_REG = PM_VAL \
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EXIT_CONFIG_MODE ()
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/* ==================== Resource helpers ==================== */
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#define PNP_READ_IO(IO_FROM, RESOURCE_TEMPLATE, IO_TAG) \
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CreateWordField (RESOURCE_TEMPLATE, IO_TAG._MIN, IO_TAG##I)\
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CreateWordField (RESOURCE_TEMPLATE, IO_TAG._MAX, IO_TAG##A)\
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Local0 = (IO_FROM##_HIGH_BYTE << 8) | IO_FROM##_LOW_BYTE \
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IO_TAG##I = Local0 \
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IO_TAG##A = Local0
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#define PNP_READ_IRQ(IRQ_FROM, RESOURCE_TEMPLATE, IRQ_TAG) \
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CreateWordField (RESOURCE_TEMPLATE, IRQ_TAG._INT, IRQ_TAG##W)\
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IRQ_TAG##W = 1 << IRQ_FROM
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#define PNP_READ_DMA(DMA_FROM, RESOURCE_TEMPLATE, DMA_TAG) \
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CreateByteField (RESOURCE_TEMPLATE, DMA_TAG._DMA, DMA_TAG##W)\
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DMA_TAG##W = 1 << DMA_FROM
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#define PNP_WRITE_IO(IO_TO, RESOURCE, IO_TAG) \
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CreateWordField (RESOURCE, IO_TAG._MIN, IO_TAG##I)\
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IO_TO##_LOW_BYTE = IO_TAG##I & 0xff \
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IO_TO##_HIGH_BYTE = IO_TAG##I >> 8
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#define PNP_WRITE_IRQ(IRQ_TO, RESOURCE, IRQ_TAG) \
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CreateWordField (RESOURCE, IRQ_TAG._INT, IRQ_TAG##W)\
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IRQ_TO = FindSetLeftBit (IRQ_TAG##W) - 1
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#define PNP_WRITE_DMA(DMA_TO, RESOURCE, DMA_TAG) \
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CreateByteField (RESOURCE, DMA_TAG._DMA, DMA_TAG##W)\
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DMA_TO = FindSetLeftBit (DMA_TAG##W) - 1
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#endif
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