| /******************************************************************************* |
| * |
| * Module Name: rsirq - IRQ resource descriptors |
| * |
| ******************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2016, Intel Corp. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acresrc.h" |
| |
| #define _COMPONENT ACPI_RESOURCES |
| ACPI_MODULE_NAME ("rsirq") |
| |
| |
| /******************************************************************************* |
| * |
| * AcpiRsGetIrq |
| * |
| ******************************************************************************/ |
| |
| ACPI_RSCONVERT_INFO AcpiRsGetIrq[9] = |
| { |
| {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, |
| ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), |
| ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, |
| |
| /* Get the IRQ mask (bytes 1:2) */ |
| |
| {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), |
| AML_OFFSET (Irq.IrqMask), |
| ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, |
| |
| /* Set default flags (others are zero) */ |
| |
| {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), |
| ACPI_EDGE_SENSITIVE, |
| 1}, |
| |
| /* Get the descriptor length (2 or 3 for IRQ descriptor) */ |
| |
| {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), |
| AML_OFFSET (Irq.DescriptorType), |
| 0}, |
| |
| /* All done if no flag byte present in descriptor */ |
| |
| {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, |
| |
| /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), |
| AML_OFFSET (Irq.Flags), |
| 0}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), |
| AML_OFFSET (Irq.Flags), |
| 3}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), |
| AML_OFFSET (Irq.Flags), |
| 4}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), |
| AML_OFFSET (Irq.Flags), |
| 5} |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * AcpiRsSetIrq |
| * |
| ******************************************************************************/ |
| |
| ACPI_RSCONVERT_INFO AcpiRsSetIrq[14] = |
| { |
| /* Start with a default descriptor of length 3 */ |
| |
| {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, |
| sizeof (AML_RESOURCE_IRQ), |
| ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, |
| |
| /* Convert interrupt list to 16-bit IRQ bitmask */ |
| |
| {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), |
| AML_OFFSET (Irq.IrqMask), |
| ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, |
| |
| /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), |
| AML_OFFSET (Irq.Flags), |
| 0}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), |
| AML_OFFSET (Irq.Flags), |
| 3}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), |
| AML_OFFSET (Irq.Flags), |
| 4}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), |
| AML_OFFSET (Irq.Flags), |
| 5}, |
| |
| /* |
| * All done if the output descriptor length is required to be 3 |
| * (i.e., optimization to 2 bytes cannot be attempted) |
| */ |
| {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
| ACPI_RS_OFFSET(Data.Irq.DescriptorLength), |
| 3}, |
| |
| /* Set length to 2 bytes (no flags byte) */ |
| |
| {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, |
| |
| /* |
| * All done if the output descriptor length is required to be 2. |
| * |
| * TBD: Perhaps we should check for error if input flags are not |
| * compatible with a 2-byte descriptor. |
| */ |
| {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
| ACPI_RS_OFFSET(Data.Irq.DescriptorLength), |
| 2}, |
| |
| /* Reset length to 3 bytes (descriptor with flags byte) */ |
| |
| {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, |
| |
| /* |
| * Check if the flags byte is necessary. Not needed if the flags are: |
| * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE |
| */ |
| {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| ACPI_RS_OFFSET (Data.Irq.Triggering), |
| ACPI_EDGE_SENSITIVE}, |
| |
| {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| ACPI_RS_OFFSET (Data.Irq.Polarity), |
| ACPI_ACTIVE_HIGH}, |
| |
| {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| ACPI_RS_OFFSET (Data.Irq.Sharable), |
| ACPI_EXCLUSIVE}, |
| |
| /* We can optimize to a 2-byte IrqNoFlags() descriptor */ |
| |
| {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * AcpiRsConvertExtIrq |
| * |
| ******************************************************************************/ |
| |
| ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[10] = |
| { |
| {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, |
| ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), |
| ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, |
| |
| {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, |
| sizeof (AML_RESOURCE_EXTENDED_IRQ), |
| 0}, |
| |
| /* |
| * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], |
| * Sharing[3], Wake[4] |
| */ |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), |
| AML_OFFSET (ExtendedIrq.Flags), |
| 0}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), |
| AML_OFFSET (ExtendedIrq.Flags), |
| 1}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), |
| AML_OFFSET (ExtendedIrq.Flags), |
| 2}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), |
| AML_OFFSET (ExtendedIrq.Flags), |
| 3}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable), |
| AML_OFFSET (ExtendedIrq.Flags), |
| 4}, |
| |
| /* IRQ Table length (Byte4) */ |
| |
| {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), |
| AML_OFFSET (ExtendedIrq.InterruptCount), |
| sizeof (UINT32)}, |
| |
| /* Copy every IRQ in the table, each is 32 bits */ |
| |
| {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), |
| AML_OFFSET (ExtendedIrq.Interrupts[0]), |
| 0}, |
| |
| /* Optional ResourceSource (Index and String) */ |
| |
| {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), |
| ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), |
| sizeof (AML_RESOURCE_EXTENDED_IRQ)} |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * AcpiRsConvertDma |
| * |
| ******************************************************************************/ |
| |
| ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = |
| { |
| {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, |
| ACPI_RS_SIZE (ACPI_RESOURCE_DMA), |
| ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, |
| |
| {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, |
| sizeof (AML_RESOURCE_DMA), |
| 0}, |
| |
| /* Flags: transfer preference, bus mastering, channel speed */ |
| |
| {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), |
| AML_OFFSET (Dma.Flags), |
| 0}, |
| |
| {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), |
| AML_OFFSET (Dma.Flags), |
| 2}, |
| |
| {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), |
| AML_OFFSET (Dma.Flags), |
| 5}, |
| |
| /* DMA channel mask bits */ |
| |
| {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), |
| AML_OFFSET (Dma.DmaChannelMask), |
| ACPI_RS_OFFSET (Data.Dma.ChannelCount)} |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * AcpiRsConvertFixedDma |
| * |
| ******************************************************************************/ |
| |
| ACPI_RSCONVERT_INFO AcpiRsConvertFixedDma[4] = |
| { |
| {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, |
| ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA), |
| ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)}, |
| |
| {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, |
| sizeof (AML_RESOURCE_FIXED_DMA), |
| 0}, |
| |
| /* |
| * These fields are contiguous in both the source and destination: |
| * RequestLines |
| * Channels |
| */ |
| {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedDma.RequestLines), |
| AML_OFFSET (FixedDma.RequestLines), |
| 2}, |
| |
| {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedDma.Width), |
| AML_OFFSET (FixedDma.Width), |
| 1}, |
| }; |
