xref: /openbmc/linux/drivers/acpi/acpica/rsinfo.c (revision b4e104eaeb8cd4329a23e0e4ebf166681b1d182d)
1 /*******************************************************************************
2  *
3  * Module Name: rsinfo - Dispatch and Info tables
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2011, Intel Corp.
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 "acresrc.h"
47 
48 #define _COMPONENT          ACPI_RESOURCES
49 ACPI_MODULE_NAME("rsinfo")
50 
51 /*
52  * Resource dispatch and information tables. Any new resource types (either
53  * Large or Small) must be reflected in each of these tables, so they are here
54  * in one place.
55  *
56  * The tables for Large descriptors are indexed by bits 6:0 of the AML
57  * descriptor type byte. The tables for Small descriptors are indexed by
58  * bits 6:3 of the descriptor byte. The tables for internal resource
59  * descriptors are indexed by the acpi_resource_type field.
60  */
61 /* Dispatch table for resource-to-AML (Set Resource) conversion functions */
62 struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = {
63 	acpi_rs_set_irq,	/* 0x00, ACPI_RESOURCE_TYPE_IRQ */
64 	acpi_rs_convert_dma,	/* 0x01, ACPI_RESOURCE_TYPE_DMA */
65 	acpi_rs_set_start_dpf,	/* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
66 	acpi_rs_convert_end_dpf,	/* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
67 	acpi_rs_convert_io,	/* 0x04, ACPI_RESOURCE_TYPE_IO */
68 	acpi_rs_convert_fixed_io,	/* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
69 	acpi_rs_set_vendor,	/* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
70 	acpi_rs_convert_end_tag,	/* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
71 	acpi_rs_convert_memory24,	/* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
72 	acpi_rs_convert_memory32,	/* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
73 	acpi_rs_convert_fixed_memory32,	/* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
74 	acpi_rs_convert_address16,	/* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
75 	acpi_rs_convert_address32,	/* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
76 	acpi_rs_convert_address64,	/* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
77 	acpi_rs_convert_ext_address64,	/* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
78 	acpi_rs_convert_ext_irq,	/* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
79 	acpi_rs_convert_generic_reg	/* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
80 };
81 
82 /* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
83 
84 struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
85 	/* Small descriptors */
86 
87 	NULL,			/* 0x00, Reserved */
88 	NULL,			/* 0x01, Reserved */
89 	NULL,			/* 0x02, Reserved */
90 	NULL,			/* 0x03, Reserved */
91 	acpi_rs_get_irq,	/* 0x04, ACPI_RESOURCE_NAME_IRQ */
92 	acpi_rs_convert_dma,	/* 0x05, ACPI_RESOURCE_NAME_DMA */
93 	acpi_rs_get_start_dpf,	/* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
94 	acpi_rs_convert_end_dpf,	/* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
95 	acpi_rs_convert_io,	/* 0x08, ACPI_RESOURCE_NAME_IO */
96 	acpi_rs_convert_fixed_io,	/* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
97 	NULL,			/* 0x0A, Reserved */
98 	NULL,			/* 0x0B, Reserved */
99 	NULL,			/* 0x0C, Reserved */
100 	NULL,			/* 0x0D, Reserved */
101 	acpi_rs_get_vendor_small,	/* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
102 	acpi_rs_convert_end_tag,	/* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
103 
104 	/* Large descriptors */
105 
106 	NULL,			/* 0x00, Reserved */
107 	acpi_rs_convert_memory24,	/* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
108 	acpi_rs_convert_generic_reg,	/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
109 	NULL,			/* 0x03, Reserved */
110 	acpi_rs_get_vendor_large,	/* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
111 	acpi_rs_convert_memory32,	/* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
112 	acpi_rs_convert_fixed_memory32,	/* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
113 	acpi_rs_convert_address32,	/* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
114 	acpi_rs_convert_address16,	/* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
115 	acpi_rs_convert_ext_irq,	/* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
116 	acpi_rs_convert_address64,	/* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
117 	acpi_rs_convert_ext_address64	/* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
118 };
119 
120 #ifdef ACPI_FUTURE_USAGE
121 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
122 
123 /* Dispatch table for resource dump functions */
124 
125 struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
126 	acpi_rs_dump_irq,	/* ACPI_RESOURCE_TYPE_IRQ */
127 	acpi_rs_dump_dma,	/* ACPI_RESOURCE_TYPE_DMA */
128 	acpi_rs_dump_start_dpf,	/* ACPI_RESOURCE_TYPE_START_DEPENDENT */
129 	acpi_rs_dump_end_dpf,	/* ACPI_RESOURCE_TYPE_END_DEPENDENT */
130 	acpi_rs_dump_io,	/* ACPI_RESOURCE_TYPE_IO */
131 	acpi_rs_dump_fixed_io,	/* ACPI_RESOURCE_TYPE_FIXED_IO */
132 	acpi_rs_dump_vendor,	/* ACPI_RESOURCE_TYPE_VENDOR */
133 	acpi_rs_dump_end_tag,	/* ACPI_RESOURCE_TYPE_END_TAG */
134 	acpi_rs_dump_memory24,	/* ACPI_RESOURCE_TYPE_MEMORY24 */
135 	acpi_rs_dump_memory32,	/* ACPI_RESOURCE_TYPE_MEMORY32 */
136 	acpi_rs_dump_fixed_memory32,	/* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
137 	acpi_rs_dump_address16,	/* ACPI_RESOURCE_TYPE_ADDRESS16 */
138 	acpi_rs_dump_address32,	/* ACPI_RESOURCE_TYPE_ADDRESS32 */
139 	acpi_rs_dump_address64,	/* ACPI_RESOURCE_TYPE_ADDRESS64 */
140 	acpi_rs_dump_ext_address64,	/* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
141 	acpi_rs_dump_ext_irq,	/* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
142 	acpi_rs_dump_generic_reg,	/* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
143 };
144 #endif
145 
146 #endif				/* ACPI_FUTURE_USAGE */
147 /*
148  * Base sizes for external AML resource descriptors, indexed by internal type.
149  * Includes size of the descriptor header (1 byte for small descriptors,
150  * 3 bytes for large descriptors)
151  */
152 const u8 acpi_gbl_aml_resource_sizes[] = {
153 	sizeof(struct aml_resource_irq),	/* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
154 	sizeof(struct aml_resource_dma),	/* ACPI_RESOURCE_TYPE_DMA */
155 	sizeof(struct aml_resource_start_dependent),	/* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
156 	sizeof(struct aml_resource_end_dependent),	/* ACPI_RESOURCE_TYPE_END_DEPENDENT */
157 	sizeof(struct aml_resource_io),	/* ACPI_RESOURCE_TYPE_IO */
158 	sizeof(struct aml_resource_fixed_io),	/* ACPI_RESOURCE_TYPE_FIXED_IO */
159 	sizeof(struct aml_resource_vendor_small),	/* ACPI_RESOURCE_TYPE_VENDOR */
160 	sizeof(struct aml_resource_end_tag),	/* ACPI_RESOURCE_TYPE_END_TAG */
161 	sizeof(struct aml_resource_memory24),	/* ACPI_RESOURCE_TYPE_MEMORY24 */
162 	sizeof(struct aml_resource_memory32),	/* ACPI_RESOURCE_TYPE_MEMORY32 */
163 	sizeof(struct aml_resource_fixed_memory32),	/* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
164 	sizeof(struct aml_resource_address16),	/* ACPI_RESOURCE_TYPE_ADDRESS16 */
165 	sizeof(struct aml_resource_address32),	/* ACPI_RESOURCE_TYPE_ADDRESS32 */
166 	sizeof(struct aml_resource_address64),	/* ACPI_RESOURCE_TYPE_ADDRESS64 */
167 	sizeof(struct aml_resource_extended_address64),	/*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
168 	sizeof(struct aml_resource_extended_irq),	/* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
169 	sizeof(struct aml_resource_generic_register)	/* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
170 };
171 
172 const u8 acpi_gbl_resource_struct_sizes[] = {
173 	/* Small descriptors */
174 
175 	0,
176 	0,
177 	0,
178 	0,
179 	ACPI_RS_SIZE(struct acpi_resource_irq),
180 	ACPI_RS_SIZE(struct acpi_resource_dma),
181 	ACPI_RS_SIZE(struct acpi_resource_start_dependent),
182 	ACPI_RS_SIZE_MIN,
183 	ACPI_RS_SIZE(struct acpi_resource_io),
184 	ACPI_RS_SIZE(struct acpi_resource_fixed_io),
185 	0,
186 	0,
187 	0,
188 	0,
189 	ACPI_RS_SIZE(struct acpi_resource_vendor),
190 	ACPI_RS_SIZE_MIN,
191 
192 	/* Large descriptors */
193 
194 	0,
195 	ACPI_RS_SIZE(struct acpi_resource_memory24),
196 	ACPI_RS_SIZE(struct acpi_resource_generic_register),
197 	0,
198 	ACPI_RS_SIZE(struct acpi_resource_vendor),
199 	ACPI_RS_SIZE(struct acpi_resource_memory32),
200 	ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
201 	ACPI_RS_SIZE(struct acpi_resource_address32),
202 	ACPI_RS_SIZE(struct acpi_resource_address16),
203 	ACPI_RS_SIZE(struct acpi_resource_extended_irq),
204 	ACPI_RS_SIZE(struct acpi_resource_address64),
205 	ACPI_RS_SIZE(struct acpi_resource_extended_address64)
206 };
207