Quelle  rsmemory.c   Sprache: C

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/*******************************************************************************
 *
 * Module Name: rsmem24 - Memory resource descriptors
 *
 ******************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acresrc.h"

#define _COMPONENT          ACPI_RESOURCES
ACPI_MODULE_NAME("rsmemory")

/*******************************************************************************
 *
 * acpi_rs_convert_memory24
 *
 ******************************************************************************/
struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
  ACPI_RS_SIZE(struct acpi_resource_memory24),
  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},

 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
  sizeof(struct aml_resource_memory24),
  0},

 /* Read/Write bit */

 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
  AML_OFFSET(memory24.flags),
  0},
 /*
 * These fields are contiguous in both the source and destination:
 * Minimum Base Address
 * Maximum Base Address
 * Address Base Alignment
 * Range Length
 */
 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
  AML_OFFSET(memory24.minimum),
  4}
};

/*******************************************************************************
 *
 * acpi_rs_convert_memory32
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
  ACPI_RS_SIZE(struct acpi_resource_memory32),
  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},

 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
  sizeof(struct aml_resource_memory32),
  0},

 /* Read/Write bit */

 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
  AML_OFFSET(memory32.flags),
  0},
 /*
 * These fields are contiguous in both the source and destination:
 * Minimum Base Address
 * Maximum Base Address
 * Address Base Alignment
 * Range Length
 */
 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
  AML_OFFSET(memory32.minimum),
  4}
};

/*******************************************************************************
 *
 * acpi_rs_convert_fixed_memory32
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
  ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},

 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
  sizeof(struct aml_resource_fixed_memory32),
  0},

 /* Read/Write bit */

 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
  AML_OFFSET(fixed_memory32.flags),
  0},
 /*
 * These fields are contiguous in both the source and destination:
 * Base Address
 * Range Length
 */
 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
  AML_OFFSET(fixed_memory32.address),
  2}
};

/*******************************************************************************
 *
 * acpi_rs_get_vendor_small
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
  ACPI_RS_SIZE(struct acpi_resource_vendor),
  ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},

 /* Length of the vendor data (byte count) */

 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
  0,
  sizeof(u8)},

 /* Vendor data */

 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
  sizeof(struct aml_resource_small_header),
  0}
};

/*******************************************************************************
 *
 * acpi_rs_get_vendor_large
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
  ACPI_RS_SIZE(struct acpi_resource_vendor),
  ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},

 /* Length of the vendor data (byte count) */

 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
  0,
  sizeof(u8)},

 /* Vendor data */

 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
  sizeof(struct aml_resource_large_header),
  0}
};

/*******************************************************************************
 *
 * acpi_rs_set_vendor
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
 /* Default is a small vendor descriptor */

 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
  sizeof(struct aml_resource_small_header),
  ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},

 /* Get the length and copy the data */

 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
  0,
  0},

 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
  sizeof(struct aml_resource_small_header),
  0},

 /*
 * All done if the Vendor byte length is 7 or less, meaning that it will
 * fit within a small descriptor
 */
 {ACPI_RSC_EXIT_LE, 0, 0, 7},

 /* Must create a large vendor descriptor */

 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
  sizeof(struct aml_resource_large_header),
  0},

 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
  0,
  0},

 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
  sizeof(struct aml_resource_large_header),
  0}
};