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path: root/drivers/acpi/acpica/dbconvert.c
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Diffstat (limited to 'drivers/acpi/acpica/dbconvert.c')
-rw-r--r--drivers/acpi/acpica/dbconvert.c484
1 files changed, 484 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c
new file mode 100644
index 000000000..a71632ca8
--- /dev/null
+++ b/drivers/acpi/acpica/dbconvert.c
@@ -0,0 +1,484 @@
+/*******************************************************************************
+ *
+ * Module Name: dbconvert - debugger miscellaneous conversion routines
+ *
+ ******************************************************************************/
+
+/*
+ * 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 <acpi/acpi.h>
+#include "accommon.h"
+#include "acdebug.h"
+
+#define _COMPONENT ACPI_CA_DEBUGGER
+ACPI_MODULE_NAME("dbconvert")
+
+#define DB_DEFAULT_PKG_ELEMENTS 33
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_hex_char_to_value
+ *
+ * PARAMETERS: hex_char - Ascii Hex digit, 0-9|a-f|A-F
+ * return_value - Where the converted value is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16).
+ *
+ ******************************************************************************/
+acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value)
+{
+ u8 value;
+
+ /* Digit must be ascii [0-9a-fA-F] */
+
+ if (!isxdigit(hex_char)) {
+ return (AE_BAD_HEX_CONSTANT);
+ }
+
+ if (hex_char <= 0x39) {
+ value = (u8)(hex_char - 0x30);
+ } else {
+ value = (u8)(toupper(hex_char) - 0x37);
+ }
+
+ *return_value = value;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_hex_byte_to_binary
+ *
+ * PARAMETERS: hex_byte - Double hex digit (0x00 - 0xFF) in format:
+ * hi_byte then lo_byte.
+ * return_value - Where the converted value is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255).
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_db_hex_byte_to_binary(char *hex_byte, u8 *return_value)
+{
+ u8 local0;
+ u8 local1;
+ acpi_status status;
+
+ /* High byte */
+
+ status = acpi_db_hex_char_to_value(hex_byte[0], &local0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Low byte */
+
+ status = acpi_db_hex_char_to_value(hex_byte[1], &local1);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ *return_value = (u8)((local0 << 4) | local1);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_convert_to_buffer
+ *
+ * PARAMETERS: string - Input string to be converted
+ * object - Where the buffer object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert a string to a buffer object. String is treated a list
+ * of buffer elements, each separated by a space or comma.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_db_convert_to_buffer(char *string, union acpi_object *object)
+{
+ u32 i;
+ u32 j;
+ u32 length;
+ u8 *buffer;
+ acpi_status status;
+
+ /* Generate the final buffer length */
+
+ for (i = 0, length = 0; string[i];) {
+ i += 2;
+ length++;
+
+ while (string[i] && ((string[i] == ',') || (string[i] == ' '))) {
+ i++;
+ }
+ }
+
+ buffer = ACPI_ALLOCATE(length);
+ if (!buffer) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Convert the command line bytes to the buffer */
+
+ for (i = 0, j = 0; string[i];) {
+ status = acpi_db_hex_byte_to_binary(&string[i], &buffer[j]);
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(buffer);
+ return (status);
+ }
+
+ j++;
+ i += 2;
+ while (string[i] && ((string[i] == ',') || (string[i] == ' '))) {
+ i++;
+ }
+ }
+
+ object->type = ACPI_TYPE_BUFFER;
+ object->buffer.pointer = buffer;
+ object->buffer.length = length;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_convert_to_package
+ *
+ * PARAMETERS: string - Input string to be converted
+ * object - Where the package object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert a string to a package object. Handles nested packages
+ * via recursion with acpi_db_convert_to_object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object)
+{
+ char *this;
+ char *next;
+ u32 i;
+ acpi_object_type type;
+ union acpi_object *elements;
+ acpi_status status;
+
+ elements =
+ ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS *
+ sizeof(union acpi_object));
+
+ this = string;
+ for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) {
+ this = acpi_db_get_next_token(this, &next, &type);
+ if (!this) {
+ break;
+ }
+
+ /* Recursive call to convert each package element */
+
+ status = acpi_db_convert_to_object(type, this, &elements[i]);
+ if (ACPI_FAILURE(status)) {
+ acpi_db_delete_objects(i + 1, elements);
+ ACPI_FREE(elements);
+ return (status);
+ }
+
+ this = next;
+ }
+
+ object->type = ACPI_TYPE_PACKAGE;
+ object->package.count = i;
+ object->package.elements = elements;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_convert_to_object
+ *
+ * PARAMETERS: type - Object type as determined by parser
+ * string - Input string to be converted
+ * object - Where the new object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert a typed and tokenized string to an union acpi_object. Typing:
+ * 1) String objects were surrounded by quotes.
+ * 2) Buffer objects were surrounded by parentheses.
+ * 3) Package objects were surrounded by brackets "[]".
+ * 4) All standalone tokens are treated as integers.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_db_convert_to_object(acpi_object_type type,
+ char *string, union acpi_object * object)
+{
+ acpi_status status = AE_OK;
+
+ switch (type) {
+ case ACPI_TYPE_STRING:
+
+ object->type = ACPI_TYPE_STRING;
+ object->string.pointer = string;
+ object->string.length = (u32)strlen(string);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ status = acpi_db_convert_to_buffer(string, object);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ status = acpi_db_convert_to_package(string, object);
+ break;
+
+ default:
+
+ object->type = ACPI_TYPE_INTEGER;
+ status = acpi_ut_strtoul64(string, 16, &object->integer.value);
+ break;
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_encode_pld_buffer
+ *
+ * PARAMETERS: pld_info - _PLD buffer struct (Using local struct)
+ *
+ * RETURN: Encode _PLD buffer suitable for return value from _PLD
+ *
+ * DESCRIPTION: Bit-packs a _PLD buffer struct. Used to test the _PLD macros
+ *
+ ******************************************************************************/
+
+u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info)
+{
+ u32 *buffer;
+ u32 dword;
+
+ buffer = ACPI_ALLOCATE_ZEROED(ACPI_PLD_BUFFER_SIZE);
+ if (!buffer) {
+ return (NULL);
+ }
+
+ /* First 32 bits */
+
+ dword = 0;
+ ACPI_PLD_SET_REVISION(&dword, pld_info->revision);
+ ACPI_PLD_SET_IGNORE_COLOR(&dword, pld_info->ignore_color);
+ ACPI_PLD_SET_RED(&dword, pld_info->red);
+ ACPI_PLD_SET_GREEN(&dword, pld_info->green);
+ ACPI_PLD_SET_BLUE(&dword, pld_info->blue);
+ ACPI_MOVE_32_TO_32(&buffer[0], &dword);
+
+ /* Second 32 bits */
+
+ dword = 0;
+ ACPI_PLD_SET_WIDTH(&dword, pld_info->width);
+ ACPI_PLD_SET_HEIGHT(&dword, pld_info->height);
+ ACPI_MOVE_32_TO_32(&buffer[1], &dword);
+
+ /* Third 32 bits */
+
+ dword = 0;
+ ACPI_PLD_SET_USER_VISIBLE(&dword, pld_info->user_visible);
+ ACPI_PLD_SET_DOCK(&dword, pld_info->dock);
+ ACPI_PLD_SET_LID(&dword, pld_info->lid);
+ ACPI_PLD_SET_PANEL(&dword, pld_info->panel);
+ ACPI_PLD_SET_VERTICAL(&dword, pld_info->vertical_position);
+ ACPI_PLD_SET_HORIZONTAL(&dword, pld_info->horizontal_position);
+ ACPI_PLD_SET_SHAPE(&dword, pld_info->shape);
+ ACPI_PLD_SET_ORIENTATION(&dword, pld_info->group_orientation);
+ ACPI_PLD_SET_TOKEN(&dword, pld_info->group_token);
+ ACPI_PLD_SET_POSITION(&dword, pld_info->group_position);
+ ACPI_PLD_SET_BAY(&dword, pld_info->bay);
+ ACPI_MOVE_32_TO_32(&buffer[2], &dword);
+
+ /* Fourth 32 bits */
+
+ dword = 0;
+ ACPI_PLD_SET_EJECTABLE(&dword, pld_info->ejectable);
+ ACPI_PLD_SET_OSPM_EJECT(&dword, pld_info->ospm_eject_required);
+ ACPI_PLD_SET_CABINET(&dword, pld_info->cabinet_number);
+ ACPI_PLD_SET_CARD_CAGE(&dword, pld_info->card_cage_number);
+ ACPI_PLD_SET_REFERENCE(&dword, pld_info->reference);
+ ACPI_PLD_SET_ROTATION(&dword, pld_info->rotation);
+ ACPI_PLD_SET_ORDER(&dword, pld_info->order);
+ ACPI_MOVE_32_TO_32(&buffer[3], &dword);
+
+ if (pld_info->revision >= 2) {
+
+ /* Fifth 32 bits */
+
+ dword = 0;
+ ACPI_PLD_SET_VERT_OFFSET(&dword, pld_info->vertical_offset);
+ ACPI_PLD_SET_HORIZ_OFFSET(&dword, pld_info->horizontal_offset);
+ ACPI_MOVE_32_TO_32(&buffer[4], &dword);
+ }
+
+ return (ACPI_CAST_PTR(u8, buffer));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_db_dump_pld_buffer
+ *
+ * PARAMETERS: obj_desc - Object returned from _PLD method
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Dumps formatted contents of a _PLD return buffer.
+ *
+ ******************************************************************************/
+
+#define ACPI_PLD_OUTPUT "%20s : %-6X\n"
+
+void acpi_db_dump_pld_buffer(union acpi_object *obj_desc)
+{
+ union acpi_object *buffer_desc;
+ struct acpi_pld_info *pld_info;
+ u8 *new_buffer;
+ acpi_status status;
+
+ /* Object must be of type Package with at least one Buffer element */
+
+ if (obj_desc->type != ACPI_TYPE_PACKAGE) {
+ return;
+ }
+
+ buffer_desc = &obj_desc->package.elements[0];
+ if (buffer_desc->type != ACPI_TYPE_BUFFER) {
+ return;
+ }
+
+ /* Convert _PLD buffer to local _PLD struct */
+
+ status = acpi_decode_pld_buffer(buffer_desc->buffer.pointer,
+ buffer_desc->buffer.length, &pld_info);
+ if (ACPI_FAILURE(status)) {
+ return;
+ }
+
+ /* Encode local _PLD struct back to a _PLD buffer */
+
+ new_buffer = acpi_db_encode_pld_buffer(pld_info);
+ if (!new_buffer) {
+ return;
+ }
+
+ /* The two bit-packed buffers should match */
+
+ if (memcmp(new_buffer, buffer_desc->buffer.pointer,
+ buffer_desc->buffer.length)) {
+ acpi_os_printf
+ ("Converted _PLD buffer does not compare. New:\n");
+
+ acpi_ut_dump_buffer(new_buffer,
+ buffer_desc->buffer.length, DB_BYTE_DISPLAY,
+ 0);
+ }
+
+ /* First 32-bit dword */
+
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Revision", pld_info->revision);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_IgnoreColor",
+ pld_info->ignore_color);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Red", pld_info->red);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Green", pld_info->green);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Blue", pld_info->blue);
+
+ /* Second 32-bit dword */
+
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Width", pld_info->width);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Height", pld_info->height);
+
+ /* Third 32-bit dword */
+
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_UserVisible",
+ pld_info->user_visible);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Dock", pld_info->dock);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Lid", pld_info->lid);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Panel", pld_info->panel);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_VerticalPosition",
+ pld_info->vertical_position);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_HorizontalPosition",
+ pld_info->horizontal_position);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Shape", pld_info->shape);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupOrientation",
+ pld_info->group_orientation);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupToken",
+ pld_info->group_token);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupPosition",
+ pld_info->group_position);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Bay", pld_info->bay);
+
+ /* Fourth 32-bit dword */
+
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Ejectable", pld_info->ejectable);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_EjectRequired",
+ pld_info->ospm_eject_required);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_CabinetNumber",
+ pld_info->cabinet_number);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_CardCageNumber",
+ pld_info->card_cage_number);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Reference", pld_info->reference);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Rotation", pld_info->rotation);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Order", pld_info->order);
+
+ /* Fifth 32-bit dword */
+
+ if (buffer_desc->buffer.length > 16) {
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_VerticalOffset",
+ pld_info->vertical_offset);
+ acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_HorizontalOffset",
+ pld_info->horizontal_offset);
+ }
+
+ ACPI_FREE(pld_info);
+ ACPI_FREE(new_buffer);
+}