blob: 19d64873290ab63a1bb209bb26c3eefab767d103 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*******************************************************************************
2 *
3 * Module Name: rsio - IO and DMA resource descriptors
4 *
5 ******************************************************************************/
6
7/*
Bob Moorefbb7a2d2014-02-08 09:42:25 +08008 * Copyright (C) 2000 - 2014, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <acpi/acpi.h>
Len Browne2f7a772009-01-09 00:30:03 -050045#include "accommon.h"
46#include "acresrc.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48#define _COMPONENT ACPI_RESOURCES
Len Brown4be44fc2005-08-05 00:44:28 -040049ACPI_MODULE_NAME("rsio")
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51/*******************************************************************************
52 *
Bob Moore08978312005-10-21 00:00:00 -040053 * acpi_rs_convert_io
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 *
55 ******************************************************************************/
Bob Moore08978312005-10-21 00:00:00 -040056struct acpi_rsconvert_info acpi_rs_convert_io[5] = {
57 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
58 ACPI_RS_SIZE(struct acpi_resource_io),
59 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)},
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Bob Moore08978312005-10-21 00:00:00 -040061 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
62 sizeof(struct aml_resource_io),
63 0},
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
Bob Moore08978312005-10-21 00:00:00 -040065 /* Decode flag */
Robert Moore44f6c012005-04-18 22:49:35 -040066
Bob Moore08978312005-10-21 00:00:00 -040067 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode),
68 AML_OFFSET(io.flags),
69 0},
Bob Moore50eca3e2005-09-30 19:03:00 -040070 /*
Bob Moore08978312005-10-21 00:00:00 -040071 * These fields are contiguous in both the source and destination:
Bob Moore50eca3e2005-09-30 19:03:00 -040072 * Address Alignment
73 * Length
Bob Moore08978312005-10-21 00:00:00 -040074 * Minimum Base Address
75 * Maximum Base Address
Bob Moore50eca3e2005-09-30 19:03:00 -040076 */
Bob Moore08978312005-10-21 00:00:00 -040077 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment),
78 AML_OFFSET(io.alignment),
79 2},
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
Bob Moore08978312005-10-21 00:00:00 -040081 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum),
82 AML_OFFSET(io.minimum),
83 2}
84};
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Linus Torvalds1da177e2005-04-16 15:20:36 -070086/*******************************************************************************
87 *
Bob Moore08978312005-10-21 00:00:00 -040088 * acpi_rs_convert_fixed_io
Linus Torvalds1da177e2005-04-16 15:20:36 -070089 *
90 ******************************************************************************/
91
Bob Moore08978312005-10-21 00:00:00 -040092struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = {
93 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
94 ACPI_RS_SIZE(struct acpi_resource_fixed_io),
95 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)},
Linus Torvalds1da177e2005-04-16 15:20:36 -070096
Bob Moore08978312005-10-21 00:00:00 -040097 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
98 sizeof(struct aml_resource_fixed_io),
99 0},
Bob Moore50eca3e2005-09-30 19:03:00 -0400100 /*
Bob Moore08978312005-10-21 00:00:00 -0400101 * These fields are contiguous in both the source and destination:
Bob Moore50eca3e2005-09-30 19:03:00 -0400102 * Base Address
103 * Length
104 */
Bob Moore08978312005-10-21 00:00:00 -0400105 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length),
106 AML_OFFSET(fixed_io.address_length),
107 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
Bob Moore08978312005-10-21 00:00:00 -0400109 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address),
110 AML_OFFSET(fixed_io.address),
111 1}
112};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114/*******************************************************************************
115 *
Bob Moore08978312005-10-21 00:00:00 -0400116 * acpi_rs_convert_generic_reg
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 *
118 ******************************************************************************/
119
Bob Moore08978312005-10-21 00:00:00 -0400120struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = {
121 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
122 ACPI_RS_SIZE(struct acpi_resource_generic_register),
123 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)},
124
125 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
126 sizeof(struct aml_resource_generic_register),
127 0},
128 /*
129 * These fields are contiguous in both the source and destination:
130 * Address Space ID
131 * Register Bit Width
132 * Register Bit Offset
133 * Access Size
134 */
135 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id),
136 AML_OFFSET(generic_reg.address_space_id),
137 4},
138
139 /* Get the Register Address */
140
141 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address),
142 AML_OFFSET(generic_reg.address),
143 1}
144};
145
146/*******************************************************************************
147 *
148 * acpi_rs_convert_end_dpf
149 *
150 ******************************************************************************/
151
152struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = {
153 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
154 ACPI_RS_SIZE_MIN,
155 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)},
156
157 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
158 sizeof(struct aml_resource_end_dependent),
159 0}
160};
161
162/*******************************************************************************
163 *
164 * acpi_rs_convert_end_tag
165 *
166 ******************************************************************************/
167
168struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = {
169 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
170 ACPI_RS_SIZE_MIN,
171 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172
Bob Moore50eca3e2005-09-30 19:03:00 -0400173 /*
Bob Moore08978312005-10-21 00:00:00 -0400174 * Note: The checksum field is set to zero, meaning that the resource
175 * data is treated as if the checksum operation succeeded.
176 * (ACPI Spec 1.0b Section 6.4.2.8)
Bob Moore50eca3e2005-09-30 19:03:00 -0400177 */
Bob Moore08978312005-10-21 00:00:00 -0400178 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
179 sizeof(struct aml_resource_end_tag),
180 0}
181};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183/*******************************************************************************
184 *
Bob Moore08978312005-10-21 00:00:00 -0400185 * acpi_rs_get_start_dpf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 *
187 ******************************************************************************/
188
Bob Moore1d5b2852008-04-10 19:06:43 +0400189struct acpi_rsconvert_info acpi_rs_get_start_dpf[6] = {
Bob Moore08978312005-10-21 00:00:00 -0400190 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
191 ACPI_RS_SIZE(struct acpi_resource_start_dependent),
192 ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193
Bob Moore08978312005-10-21 00:00:00 -0400194 /* Defaults for Compatibility and Performance priorities */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
Bob Moore08978312005-10-21 00:00:00 -0400196 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
197 ACPI_ACCEPTABLE_CONFIGURATION,
198 2},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
Bob Moore1d5b2852008-04-10 19:06:43 +0400200 /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */
201
202 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
203 AML_OFFSET(start_dpf.descriptor_type),
204 0},
205
Bob Moore08978312005-10-21 00:00:00 -0400206 /* All done if there is no flag byte present in the descriptor */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207
Bob Moore08978312005-10-21 00:00:00 -0400208 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209
Bob Moore08978312005-10-21 00:00:00 -0400210 /* Flag byte is present, get the flags */
211
212 {ACPI_RSC_2BITFLAG,
213 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
214 AML_OFFSET(start_dpf.flags),
215 0},
216
217 {ACPI_RSC_2BITFLAG,
218 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
219 AML_OFFSET(start_dpf.flags),
220 2}
221};
222
223/*******************************************************************************
224 *
225 * acpi_rs_set_start_dpf
226 *
227 ******************************************************************************/
228
Bob Moore1d5b2852008-04-10 19:06:43 +0400229struct acpi_rsconvert_info acpi_rs_set_start_dpf[10] = {
230 /* Start with a default descriptor of length 1 */
231
Bob Moore08978312005-10-21 00:00:00 -0400232 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
233 sizeof(struct aml_resource_start_dependent),
234 ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)},
235
236 /* Set the default flag values */
237
238 {ACPI_RSC_2BITFLAG,
239 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
240 AML_OFFSET(start_dpf.flags),
241 0},
242
243 {ACPI_RSC_2BITFLAG,
244 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
245 AML_OFFSET(start_dpf.flags),
246 2},
Bob Moore50eca3e2005-09-30 19:03:00 -0400247 /*
Bob Moore1d5b2852008-04-10 19:06:43 +0400248 * All done if the output descriptor length is required to be 1
249 * (i.e., optimization to 0 bytes cannot be attempted)
250 */
251 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
252 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
253 1},
254
255 /* Set length to 0 bytes (no flags byte) */
256
257 {ACPI_RSC_LENGTH, 0, 0,
258 sizeof(struct aml_resource_start_dependent_noprio)},
259
260 /*
261 * All done if the output descriptor length is required to be 0.
262 *
263 * TBD: Perhaps we should check for error if input flags are not
264 * compatible with a 0-byte descriptor.
265 */
266 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
267 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
268 0},
269
270 /* Reset length to 1 byte (descriptor with flags byte) */
271
Bob Moore66d3ca92008-04-10 19:06:44 +0400272 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent)},
Bob Moore1d5b2852008-04-10 19:06:43 +0400273
274 /*
Bob Moore08978312005-10-21 00:00:00 -0400275 * All done if flags byte is necessary -- if either priority value
276 * is not ACPI_ACCEPTABLE_CONFIGURATION
Bob Moore50eca3e2005-09-30 19:03:00 -0400277 */
Bob Moore08978312005-10-21 00:00:00 -0400278 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
279 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
280 ACPI_ACCEPTABLE_CONFIGURATION},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281
Bob Moore08978312005-10-21 00:00:00 -0400282 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
283 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
284 ACPI_ACCEPTABLE_CONFIGURATION},
Robert Moore44f6c012005-04-18 22:49:35 -0400285
Bob Moore08978312005-10-21 00:00:00 -0400286 /* Flag byte is not necessary */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287
Bob Moore08978312005-10-21 00:00:00 -0400288 {ACPI_RSC_LENGTH, 0, 0,
289 sizeof(struct aml_resource_start_dependent_noprio)}
290};