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/*******************************************************************************

 *

 * Module Name: rsirq - IRQ resource descriptors

 *

 ******************************************************************************/

/*

 * Copyright (C) 2000 - 2015, 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 

#include "accommon.h"

#include "acresrc.h"

#define _COMPONENT          ACPI_RESOURCES

ACPI_MODULE_NAME("rsirq")

/*******************************************************************************

 *

 * acpi_rs_get_irq

 *

 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_get_irq[9] = {

	{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},

	/* Get the descriptor length (2 or 3 for IRQ descriptor) */

	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),

	 AML_OFFSET(irq.descriptor_type),

	 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.wake_capable),

	 AML_OFFSET(irq.flags),

	 5}

};

/*******************************************************************************

 *

 * acpi_rs_set_irq

 *

 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_set_irq[14] = {

	/* Start with a default descriptor of length 3 */

	{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 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.wake_capable),

	 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.descriptor_length),

	 3},

	/* Set length to 2 bytes (no flags byte) */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct 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.descriptor_length),

	 2},

	/* Reset length to 3 bytes (descriptor with flags byte) */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct 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 irq_no_flags() descriptor */

	{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[10] = {

	{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},

	/*

	 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],

	 *        Sharing[3], Wake[4]

	 */

	{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},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable),

	 AML_OFFSET(extended_irq.flags),

	 4},

	/* 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)}

};

/*******************************************************************************

 *

 * acpi_rs_convert_fixed_dma

 *

 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,

	 ACPI_RS_SIZE(struct acpi_resource_fixed_dma),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,

	 sizeof(struct aml_resource_fixed_dma),

	 0},

	/*

	 * These fields are contiguous in both the source and destination:

	 * request_lines

	 * Channels

	 */

	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),

	 AML_OFFSET(fixed_dma.request_lines),

	 2},

	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),

	 AML_OFFSET(fixed_dma.width),

	 1},

};