Subversion Repositories Kolibri OS

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

 *

 * Module Name: rsio - IO and DMA 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("rsio")

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

 *

 * acpi_rs_convert_io

 *

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

struct acpi_rsconvert_info acpi_rs_convert_io[5] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,

	 ACPI_RS_SIZE(struct acpi_resource_io),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,

	 sizeof(struct aml_resource_io),

	 0},

	/* Decode flag */

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode),

	 AML_OFFSET(io.flags),

	 0},

	/*

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

	 * Address Alignment

	 * Length

	 * Minimum Base Address

	 * Maximum Base Address

	 */

	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment),

	 AML_OFFSET(io.alignment),

	 2},

	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum),

	 AML_OFFSET(io.minimum),

	 2}

};

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

 *

 * acpi_rs_convert_fixed_io

 *

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

struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,

	 ACPI_RS_SIZE(struct acpi_resource_fixed_io),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,

	 sizeof(struct aml_resource_fixed_io),

	 0},

	/*

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

	 * Base Address

	 * Length

	 */

	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length),

	 AML_OFFSET(fixed_io.address_length),

	 1},

	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address),

	 AML_OFFSET(fixed_io.address),

	 1}

};

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

 *

 * acpi_rs_convert_generic_reg

 *

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

struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,

	 ACPI_RS_SIZE(struct acpi_resource_generic_register),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,

	 sizeof(struct aml_resource_generic_register),

	 0},

	/*

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

	 * Address Space ID

	 * Register Bit Width

	 * Register Bit Offset

	 * Access Size

	 */

	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id),

	 AML_OFFSET(generic_reg.address_space_id),

	 4},

	/* Get the Register Address */

	{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address),

	 AML_OFFSET(generic_reg.address),

	 1}

};

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

 *

 * acpi_rs_convert_end_dpf

 *

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

struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,

	 ACPI_RS_SIZE_MIN,

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,

	 sizeof(struct aml_resource_end_dependent),

	 0}

};

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

 *

 * acpi_rs_convert_end_tag

 *

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

struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,

	 ACPI_RS_SIZE_MIN,

	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)},

	/*

	 * Note: The checksum field is set to zero, meaning that the resource

	 * data is treated as if the checksum operation succeeded.

	 * (ACPI Spec 1.0b Section 6.4.2.8)

	 */

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,

	 sizeof(struct aml_resource_end_tag),

	 0}

};

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

 *

 * acpi_rs_get_start_dpf

 *

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

struct acpi_rsconvert_info acpi_rs_get_start_dpf[6] = {

	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,

	 ACPI_RS_SIZE(struct acpi_resource_start_dependent),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)},

	/* Defaults for Compatibility and Performance priorities */

	{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),

	 ACPI_ACCEPTABLE_CONFIGURATION,

	 2},

	/* Get the descriptor length (0 or 1 for Start Dpf descriptor) */

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.start_dpf.descriptor_length),

	 AML_OFFSET(start_dpf.descriptor_type),

	 0},

	/* All done if there is no flag byte present in the descriptor */

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},

	/* Flag byte is present, get the flags */

	{ACPI_RSC_2BITFLAG,

	 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),

	 AML_OFFSET(start_dpf.flags),

	 0},

	{ACPI_RSC_2BITFLAG,

	 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),

	 AML_OFFSET(start_dpf.flags),

	 2}

};

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

 *

 * acpi_rs_set_start_dpf

 *

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

struct acpi_rsconvert_info acpi_rs_set_start_dpf[10] = {

	/* Start with a default descriptor of length 1 */

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,

	 sizeof(struct aml_resource_start_dependent),

	 ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)},

	/* Set the default flag values */

	{ACPI_RSC_2BITFLAG,

	 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),

	 AML_OFFSET(start_dpf.flags),

	 0},

	{ACPI_RSC_2BITFLAG,

	 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),

	 AML_OFFSET(start_dpf.flags),

	 2},

	/*

	 * All done if the output descriptor length is required to be 1

	 * (i.e., optimization to 0 bytes cannot be attempted)

	 */

	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,

	 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),

	 1},

	/* Set length to 0 bytes (no flags byte) */

	{ACPI_RSC_LENGTH, 0, 0,

	 sizeof(struct aml_resource_start_dependent_noprio)},

	/*

	 * All done if the output descriptor length is required to be 0.

	 *

	 * TBD: Perhaps we should check for error if input flags are not

	 * compatible with a 0-byte descriptor.

	 */

	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,

	 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),

	 0},

	/* Reset length to 1 byte (descriptor with flags byte) */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent)},

	/*

	 * All done if flags byte is necessary -- if either priority value

	 * is not ACPI_ACCEPTABLE_CONFIGURATION

	 */

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,

	 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),

	 ACPI_ACCEPTABLE_CONFIGURATION},

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,

	 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),

	 ACPI_ACCEPTABLE_CONFIGURATION},

	/* Flag byte is not necessary */

	{ACPI_RSC_LENGTH, 0, 0,

	 sizeof(struct aml_resource_start_dependent_noprio)}

};