231 lines
7.1 KiB
C
231 lines
7.1 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: rsirq - IRQ resource descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2006, R. Byron Moore
|
|
* 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/acpi.h>
|
|
#include <acpi/acresrc.h>
|
|
|
|
#define _COMPONENT ACPI_RESOURCES
|
|
ACPI_MODULE_NAME("rsirq")
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_get_irq
|
|
*
|
|
******************************************************************************/
|
|
struct acpi_rsconvert_info acpi_rs_get_irq[7] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
|
|
ACPI_RS_SIZE(struct acpi_resource_irq),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
|
|
|
|
/* Get the IRQ mask (bytes 1:2) */
|
|
|
|
{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
|
|
AML_OFFSET(irq.irq_mask),
|
|
ACPI_RS_OFFSET(data.irq.interrupt_count)},
|
|
|
|
/* Set default flags (others are zero) */
|
|
|
|
{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
|
|
ACPI_EDGE_SENSITIVE,
|
|
1},
|
|
|
|
/* 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] */
|
|
|
|
{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_rs_set_irq
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_set_irq[9] = {
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
|
|
sizeof(struct aml_resource_irq),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
|
|
|
|
/* Convert interrupt list to 16-bit IRQ bitmask */
|
|
|
|
{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
|
|
AML_OFFSET(irq.irq_mask),
|
|
ACPI_RS_OFFSET(data.irq.interrupt_count)},
|
|
|
|
/* Set the flags byte by default */
|
|
|
|
{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},
|
|
/*
|
|
* 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},
|
|
|
|
/* irq_no_flags() descriptor can be used */
|
|
|
|
{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_ext_irq
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
|
|
ACPI_RS_SIZE(struct acpi_resource_extended_irq),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
|
|
sizeof(struct aml_resource_extended_irq),
|
|
0},
|
|
|
|
/* Flag bits */
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
|
|
AML_OFFSET(extended_irq.flags),
|
|
0},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
|
|
AML_OFFSET(extended_irq.flags),
|
|
1},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
|
|
AML_OFFSET(extended_irq.flags),
|
|
2},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable),
|
|
AML_OFFSET(extended_irq.flags),
|
|
3},
|
|
|
|
/* IRQ Table length (Byte4) */
|
|
|
|
{ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
|
|
AML_OFFSET(extended_irq.interrupt_count),
|
|
sizeof(u32)}
|
|
,
|
|
|
|
/* Copy every IRQ in the table, each is 32 bits */
|
|
|
|
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
|
|
AML_OFFSET(extended_irq.interrupts[0]),
|
|
0}
|
|
,
|
|
|
|
/* Optional resource_source (Index and String) */
|
|
|
|
{ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
|
|
ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
|
|
sizeof(struct aml_resource_extended_irq)}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_dma
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
|
|
ACPI_RS_SIZE(struct acpi_resource_dma),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
|
|
sizeof(struct 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.bus_master),
|
|
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.dma_channel_mask),
|
|
ACPI_RS_OFFSET(data.dma.channel_count)}
|
|
};
|