[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / acpi / acpica / exdebug.c

/******************************************************************************
 *
 * Module Name: exdebug - Support for stores to the AML Debug Object
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2013, 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 "acinterp.h"

#define _COMPONENT          ACPI_EXECUTER
ACPI_MODULE_NAME("exdebug")

#ifndef ACPI_NO_ERROR_MESSAGES
/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_do_debug_object
 *
 * PARAMETERS:  source_desc         - Object to be output to "Debug Object"
 *              level               - Indentation level (used for packages)
 *              index               - Current package element, zero if not pkg
 *
 * RETURN:      None
 *
 * DESCRIPTION: Handles stores to the AML Debug Object. For example:
 *              Store(INT1, Debug)
 *
 * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
 *
 * This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or
 * if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal
 * operational case, stores to the debug object are ignored but can be easily
 * enabled if necessary.
 *
 ******************************************************************************/
void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
			u32 level, u32 index)
{
	u32 i;

	ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);

	/* Output must be enabled via the debug_object global or the dbg_level */

	if (!acpi_gbl_enable_aml_debug_object &&
	    !(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) {
		return_VOID;
	}

	/*
	 * Print line header as long as we are not in the middle of an
	 * object display
	 */
	if (!((level > 0) && index == 0)) {
		acpi_os_printf("[ACPI Debug] %*s", level, " ");
	}

	/* Display the index for package output only */

	if (index > 0) {
		acpi_os_printf("(%.2u) ", index - 1);
	}

	if (!source_desc) {
		acpi_os_printf("[Null Object]\n");
		return_VOID;
	}

	if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
		acpi_os_printf("%s ",
			       acpi_ut_get_object_type_name(source_desc));

		if (!acpi_ut_valid_internal_object(source_desc)) {
			acpi_os_printf("%p, Invalid Internal Object!\n",
				       source_desc);
			return_VOID;
		}
	} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
		   ACPI_DESC_TYPE_NAMED) {
		acpi_os_printf("%s: %p\n",
			       acpi_ut_get_type_name(((struct
						       acpi_namespace_node *)
						      source_desc)->type),
			       source_desc);
		return_VOID;
	} else {
		return_VOID;
	}

	/* source_desc is of type ACPI_DESC_TYPE_OPERAND */

	switch (source_desc->common.type) {
	case ACPI_TYPE_INTEGER:

		/* Output correct integer width */

		if (acpi_gbl_integer_byte_width == 4) {
			acpi_os_printf("0x%8.8X\n",
				       (u32)source_desc->integer.value);
		} else {
			acpi_os_printf("0x%8.8X%8.8X\n",
				       ACPI_FORMAT_UINT64(source_desc->integer.
							  value));
		}
		break;

	case ACPI_TYPE_BUFFER:

		acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length);
		acpi_ut_dump_buffer(source_desc->buffer.pointer,
				    (source_desc->buffer.length < 256) ?
				    source_desc->buffer.length : 256,
				    DB_BYTE_DISPLAY, 0);
		break;

	case ACPI_TYPE_STRING:

		acpi_os_printf("[0x%.2X] \"%s\"\n",
			       source_desc->string.length,
			       source_desc->string.pointer);
		break;

	case ACPI_TYPE_PACKAGE:

		acpi_os_printf("[Contains 0x%.2X Elements]\n",
			       source_desc->package.count);

		/* Output the entire contents of the package */

		for (i = 0; i < source_desc->package.count; i++) {
			acpi_ex_do_debug_object(source_desc->package.
						elements[i], level + 4, i + 1);
		}
		break;

	case ACPI_TYPE_LOCAL_REFERENCE:

		acpi_os_printf("[%s] ",
			       acpi_ut_get_reference_name(source_desc));

		/* Decode the reference */

		switch (source_desc->reference.class) {
		case ACPI_REFCLASS_INDEX:

			acpi_os_printf("0x%X\n", source_desc->reference.value);
			break;

		case ACPI_REFCLASS_TABLE:

			/* Case for ddb_handle */

			acpi_os_printf("Table Index 0x%X\n",
				       source_desc->reference.value);
			return_VOID;

		default:
			break;
		}

		acpi_os_printf(" ");

		/* Check for valid node first, then valid object */

		if (source_desc->reference.node) {
			if (ACPI_GET_DESCRIPTOR_TYPE
			    (source_desc->reference.node) !=
			    ACPI_DESC_TYPE_NAMED) {
				acpi_os_printf
				    (" %p - Not a valid namespace node\n",
				     source_desc->reference.node);
			} else {
				acpi_os_printf("Node %p [%4.4s] ",
					       source_desc->reference.node,
					       (source_desc->reference.node)->
					       name.ascii);

				switch ((source_desc->reference.node)->type) {

					/* These types have no attached object */

				case ACPI_TYPE_DEVICE:
					acpi_os_printf("Device\n");
					break;

				case ACPI_TYPE_THERMAL:
					acpi_os_printf("Thermal Zone\n");
					break;

				default:
					acpi_ex_do_debug_object((source_desc->
								 reference.
								 node)->object,
								level + 4, 0);
					break;
				}
			}
		} else if (source_desc->reference.object) {
			if (ACPI_GET_DESCRIPTOR_TYPE
			    (source_desc->reference.object) ==
			    ACPI_DESC_TYPE_NAMED) {
				acpi_ex_do_debug_object(((struct
							  acpi_namespace_node *)
							 source_desc->reference.
							 object)->object,
							level + 4, 0);
			} else {
				acpi_ex_do_debug_object(source_desc->reference.
							object, level + 4, 0);
			}
		}
		break;

	default:

		acpi_os_printf("%p\n", source_desc);
		break;
	}

	ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
	return_VOID;
}
#endif
Commit	Line	Data
4cdf1a56 LM	1	/******************************************************************************
	2	*
	3	* Module Name: exdebug - Support for stores to the AML Debug Object
	4	*
	5	*****************************************************************************/
	6
	7	/*
25f044e6	8	* Copyright (C) 2000 - 2013, Intel Corp.
4cdf1a56 LM	9	* All rights reserved.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions, and the following disclaimer,
	16	* without modification.
	17	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	18	* substantially similar to the "NO WARRANTY" disclaimer below
	19	* ("Disclaimer") and any redistribution must be conditioned upon
	20	* including a substantially similar Disclaimer requirement for further
	21	* binary redistribution.
	22	* 3. Neither the names of the above-listed copyright holders nor the names
	23	* of any contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* Alternatively, this software may be distributed under the terms of the
	27	* GNU General Public License ("GPL") version 2 as published by the Free
	28	* Software Foundation.
	29	*
	30	* NO WARRANTY
	31	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	32	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	33	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	34	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	35	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	40	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	41	* POSSIBILITY OF SUCH DAMAGES.
	42	*/
	43
	44	#include <acpi/acpi.h>
	45	#include "accommon.h"
	46	#include "acinterp.h"
	47
	48	#define _COMPONENT ACPI_EXECUTER
	49	ACPI_MODULE_NAME("exdebug")
	50
	51	#ifndef ACPI_NO_ERROR_MESSAGES
	52	/*******************************************************************************
	53	*
	54	* FUNCTION: acpi_ex_do_debug_object
	55	*
	56	* PARAMETERS: source_desc - Object to be output to "Debug Object"
ba494bee BM	57	* level - Indentation level (used for packages)
ba494bee BM	58	* index - Current package element, zero if not pkg
4cdf1a56 LM	59	*
	60	* RETURN: None
	61	*
	62	* DESCRIPTION: Handles stores to the AML Debug Object. For example:
	63	* Store(INT1, Debug)
	64	*
	65	* This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
	66	*
	67	* This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or
	68	* if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal
	69	* operational case, stores to the debug object are ignored but can be easily
	70	* enabled if necessary.
	71	*
	72	******************************************************************************/
	73	void
	74	acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
	75	u32 level, u32 index)
	76	{
	77	u32 i;
	78
	79	ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
	80
	81	/* Output must be enabled via the debug_object global or the dbg_level */
	82
	83	if (!acpi_gbl_enable_aml_debug_object &&
	84	!(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) {
	85	return_VOID;
	86	}
	87
	88	/*
	89	* Print line header as long as we are not in the middle of an
	90	* object display
	91	*/
	92	if (!((level > 0) && index == 0)) {
	93	acpi_os_printf("[ACPI Debug] %*s", level, " ");
	94	}
	95
	96	/* Display the index for package output only */
	97
	98	if (index > 0) {
	99	acpi_os_printf("(%.2u) ", index - 1);
	100	}
	101
	102	if (!source_desc) {
	103	acpi_os_printf("[Null Object]\n");
	104	return_VOID;
	105	}
	106
	107	if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
	108	acpi_os_printf("%s ",
	109	acpi_ut_get_object_type_name(source_desc));
	110
	111	if (!acpi_ut_valid_internal_object(source_desc)) {
	112	acpi_os_printf("%p, Invalid Internal Object!\n",
	113	source_desc);
	114	return_VOID;
	115	}
	116	} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
	117	ACPI_DESC_TYPE_NAMED) {
	118	acpi_os_printf("%s: %p\n",
	119	acpi_ut_get_type_name(((struct
	120	acpi_namespace_node *)
	121	source_desc)->type),
	122	source_desc);
123	return_VOID;
124	} else {
125	return_VOID;
126	}
127
128	/* source_desc is of type ACPI_DESC_TYPE_OPERAND */
129
130	switch (source_desc->common.type) {
131	case ACPI_TYPE_INTEGER:
132
133	/* Output correct integer width */
134
135	if (acpi_gbl_integer_byte_width == 4) {
136	acpi_os_printf("0x%8.8X\n",
137	(u32)source_desc->integer.value);
138	} else {
139	acpi_os_printf("0x%8.8X%8.8X\n",
140	ACPI_FORMAT_UINT64(source_desc->integer.
141	value));
142	}
143	break;
144
145	case ACPI_TYPE_BUFFER:
146
147	acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length);
97171c6b BM	148	acpi_ut_dump_buffer(source_desc->buffer.pointer,
	149	(source_desc->buffer.length < 256) ?
	150	source_desc->buffer.length : 256,
	151	DB_BYTE_DISPLAY, 0);
4cdf1a56 LM	152	break;
	153
	154	case ACPI_TYPE_STRING:
	155
	156	acpi_os_printf("[0x%.2X] \"%s\"\n",
	157	source_desc->string.length,
	158	source_desc->string.pointer);
	159	break;
	160
	161	case ACPI_TYPE_PACKAGE:
	162
	163	acpi_os_printf("[Contains 0x%.2X Elements]\n",
	164	source_desc->package.count);
	165
	166	/* Output the entire contents of the package */
	167
	168	for (i = 0; i < source_desc->package.count; i++) {
	169	acpi_ex_do_debug_object(source_desc->package.
	170	elements[i], level + 4, i + 1);
	171	}
	172	break;
	173
	174	case ACPI_TYPE_LOCAL_REFERENCE:
	175
	176	acpi_os_printf("[%s] ",
	177	acpi_ut_get_reference_name(source_desc));
	178
	179	/* Decode the reference */
	180
	181	switch (source_desc->reference.class) {
	182	case ACPI_REFCLASS_INDEX:
	183
	184	acpi_os_printf("0x%X\n", source_desc->reference.value);
	185	break;
	186
	187	case ACPI_REFCLASS_TABLE:
	188
	189	/* Case for ddb_handle */
	190
	191	acpi_os_printf("Table Index 0x%X\n",
	192	source_desc->reference.value);
68aafc35	193	return_VOID;
4cdf1a56 LM	194
	195	default:
	196	break;
	197	}
	198
	199	acpi_os_printf(" ");
	200
	201	/* Check for valid node first, then valid object */
	202
	203	if (source_desc->reference.node) {
	204	if (ACPI_GET_DESCRIPTOR_TYPE
	205	(source_desc->reference.node) !=
	206	ACPI_DESC_TYPE_NAMED) {
	207	acpi_os_printf
	208	(" %p - Not a valid namespace node\n",
	209	source_desc->reference.node);
	210	} else {
	211	acpi_os_printf("Node %p [%4.4s] ",
	212	source_desc->reference.node,
	213	(source_desc->reference.node)->
	214	name.ascii);
	215
	216	switch ((source_desc->reference.node)->type) {
	217
	218	/* These types have no attached object */
	219
	220	case ACPI_TYPE_DEVICE:
	221	acpi_os_printf("Device\n");
	222	break;
	223
	224	case ACPI_TYPE_THERMAL:
	225	acpi_os_printf("Thermal Zone\n");
	226	break;
	227
	228	default:
	229	acpi_ex_do_debug_object((source_desc->
	230	reference.
	231	node)->object,
	232	level + 4, 0);
	233	break;
	234	}
	235	}
	236	} else if (source_desc->reference.object) {
	237	if (ACPI_GET_DESCRIPTOR_TYPE
	238	(source_desc->reference.object) ==
	239	ACPI_DESC_TYPE_NAMED) {
	240	acpi_ex_do_debug_object(((struct
	241	acpi_namespace_node *)
	242	source_desc->reference.
	243	object)->object,
	244	level + 4, 0);
	245	} else {
	246	acpi_ex_do_debug_object(source_desc->reference.
	247	object, level + 4, 0);
	248	}
	249	}
	250	break;
	251
	252	default:
	253
	254	acpi_os_printf("%p\n", source_desc);
	255	break;
	256	}
	257
258	ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
259	return_VOID;
260	}
261	#endif