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

 *

 * Module Name: rsirq - IRQ resource descriptors

 *

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

/*

 * Copyright (C) 2000 - 2007, 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)}

};