418a3fb64077338a4581d4ccd1f5aa31207602ef
[linux-3.10.git] / drivers / acpi / resources / rsmemory.c
1 /*******************************************************************************
2  *
3  * Module Name: rsmem24 - Memory resource descriptors
4  *
5  ******************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2005, R. Byron Moore
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 <acpi/acresrc.h>
46
47 #define _COMPONENT          ACPI_RESOURCES
48 ACPI_MODULE_NAME("rsmemory")
49
50 /*******************************************************************************
51  *
52  * acpi_rs_convert_memory24
53  *
54  ******************************************************************************/
55 struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
56         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
57          ACPI_RS_SIZE(struct acpi_resource_memory24),
58          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
59
60         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
61          sizeof(struct aml_resource_memory24),
62          0},
63
64         /* Read/Write bit */
65
66         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
67          AML_OFFSET(memory24.flags),
68          0},
69         /*
70          * These fields are contiguous in both the source and destination:
71          * Minimum Base Address
72          * Maximum Base Address
73          * Address Base Alignment
74          * Range Length
75          */
76         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
77          AML_OFFSET(memory24.minimum),
78          4}
79 };
80
81 /*******************************************************************************
82  *
83  * acpi_rs_convert_memory32
84  *
85  ******************************************************************************/
86
87 struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
88         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
89          ACPI_RS_SIZE(struct acpi_resource_memory32),
90          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
91
92         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
93          sizeof(struct aml_resource_memory32),
94          0},
95
96         /* Read/Write bit */
97
98         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
99          AML_OFFSET(memory32.flags),
100          0},
101         /*
102          * These fields are contiguous in both the source and destination:
103          * Minimum Base Address
104          * Maximum Base Address
105          * Address Base Alignment
106          * Range Length
107          */
108         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
109          AML_OFFSET(memory32.minimum),
110          4}
111 };
112
113 /*******************************************************************************
114  *
115  * acpi_rs_convert_fixed_memory32
116  *
117  ******************************************************************************/
118
119 struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
120         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
121          ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
122          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
123
124         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
125          sizeof(struct aml_resource_fixed_memory32),
126          0},
127
128         /* Read/Write bit */
129
130         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
131          AML_OFFSET(fixed_memory32.flags),
132          0},
133         /*
134          * These fields are contiguous in both the source and destination:
135          * Base Address
136          * Range Length
137          */
138         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
139          AML_OFFSET(fixed_memory32.address),
140          2}
141 };
142
143 /*******************************************************************************
144  *
145  * acpi_rs_get_vendor_small
146  *
147  ******************************************************************************/
148
149 struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
150         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
151          ACPI_RS_SIZE(struct acpi_resource_vendor),
152          ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
153
154         /* Length of the vendor data (byte count) */
155
156         {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
157          0,
158          sizeof(u8)}
159         ,
160
161         /* Vendor data */
162
163         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
164          sizeof(struct aml_resource_small_header),
165          0}
166 };
167
168 /*******************************************************************************
169  *
170  * acpi_rs_get_vendor_large
171  *
172  ******************************************************************************/
173
174 struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
175         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
176          ACPI_RS_SIZE(struct acpi_resource_vendor),
177          ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
178
179         /* Length of the vendor data (byte count) */
180
181         {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
182          0,
183          sizeof(u8)}
184         ,
185
186         /* Vendor data */
187
188         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
189          sizeof(struct aml_resource_large_header),
190          0}
191 };
192
193 /*******************************************************************************
194  *
195  * acpi_rs_set_vendor
196  *
197  ******************************************************************************/
198
199 struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
200         /* Default is a small vendor descriptor */
201
202         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
203          sizeof(struct aml_resource_small_header),
204          ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},
205
206         /* Get the length and copy the data */
207
208         {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
209          0,
210          0},
211
212         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
213          sizeof(struct aml_resource_small_header),
214          0},
215
216         /*
217          * All done if the Vendor byte length is 7 or less, meaning that it will
218          * fit within a small descriptor
219          */
220         {ACPI_RSC_EXIT_LE, 0, 0, 7},
221
222         /* Must create a large vendor descriptor */
223
224         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
225          sizeof(struct aml_resource_large_header),
226          0},
227
228         {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
229          0,
230          0},
231
232         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
233          sizeof(struct aml_resource_large_header),
234          0}
235 };