1 /*******************************************************************************
2  *
3  * Module Name: rsmem24 - Memory resource descriptors
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2012, 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("rsmemory")
50 
51 /*******************************************************************************
52  *
53  * acpi_rs_convert_memory24
54  *
55  ******************************************************************************/
56 struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
57 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
58 	 ACPI_RS_SIZE(struct acpi_resource_memory24),
59 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
60 
61 	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
62 	 sizeof(struct aml_resource_memory24),
63 	 0},
64 
65 	/* Read/Write bit */
66 
67 	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
68 	 AML_OFFSET(memory24.flags),
69 	 0},
70 	/*
71 	 * These fields are contiguous in both the source and destination:
72 	 * Minimum Base Address
73 	 * Maximum Base Address
74 	 * Address Base Alignment
75 	 * Range Length
76 	 */
77 	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
78 	 AML_OFFSET(memory24.minimum),
79 	 4}
80 };
81 
82 /*******************************************************************************
83  *
84  * acpi_rs_convert_memory32
85  *
86  ******************************************************************************/
87 
88 struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
89 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
90 	 ACPI_RS_SIZE(struct acpi_resource_memory32),
91 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
92 
93 	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
94 	 sizeof(struct aml_resource_memory32),
95 	 0},
96 
97 	/* Read/Write bit */
98 
99 	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
100 	 AML_OFFSET(memory32.flags),
101 	 0},
102 	/*
103 	 * These fields are contiguous in both the source and destination:
104 	 * Minimum Base Address
105 	 * Maximum Base Address
106 	 * Address Base Alignment
107 	 * Range Length
108 	 */
109 	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
110 	 AML_OFFSET(memory32.minimum),
111 	 4}
112 };
113 
114 /*******************************************************************************
115  *
116  * acpi_rs_convert_fixed_memory32
117  *
118  ******************************************************************************/
119 
120 struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
121 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
122 	 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
123 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
124 
125 	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
126 	 sizeof(struct aml_resource_fixed_memory32),
127 	 0},
128 
129 	/* Read/Write bit */
130 
131 	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
132 	 AML_OFFSET(fixed_memory32.flags),
133 	 0},
134 	/*
135 	 * These fields are contiguous in both the source and destination:
136 	 * Base Address
137 	 * Range Length
138 	 */
139 	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
140 	 AML_OFFSET(fixed_memory32.address),
141 	 2}
142 };
143 
144 /*******************************************************************************
145  *
146  * acpi_rs_get_vendor_small
147  *
148  ******************************************************************************/
149 
150 struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
151 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
152 	 ACPI_RS_SIZE(struct acpi_resource_vendor),
153 	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
154 
155 	/* Length of the vendor data (byte count) */
156 
157 	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
158 	 0,
159 	 sizeof(u8)}
160 	,
161 
162 	/* Vendor data */
163 
164 	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
165 	 sizeof(struct aml_resource_small_header),
166 	 0}
167 };
168 
169 /*******************************************************************************
170  *
171  * acpi_rs_get_vendor_large
172  *
173  ******************************************************************************/
174 
175 struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
176 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
177 	 ACPI_RS_SIZE(struct acpi_resource_vendor),
178 	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
179 
180 	/* Length of the vendor data (byte count) */
181 
182 	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
183 	 0,
184 	 sizeof(u8)}
185 	,
186 
187 	/* Vendor data */
188 
189 	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
190 	 sizeof(struct aml_resource_large_header),
191 	 0}
192 };
193 
194 /*******************************************************************************
195  *
196  * acpi_rs_set_vendor
197  *
198  ******************************************************************************/
199 
200 struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
201 	/* Default is a small vendor descriptor */
202 
203 	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
204 	 sizeof(struct aml_resource_small_header),
205 	 ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},
206 
207 	/* Get the length and copy the data */
208 
209 	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
210 	 0,
211 	 0},
212 
213 	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
214 	 sizeof(struct aml_resource_small_header),
215 	 0},
216 
217 	/*
218 	 * All done if the Vendor byte length is 7 or less, meaning that it will
219 	 * fit within a small descriptor
220 	 */
221 	{ACPI_RSC_EXIT_LE, 0, 0, 7},
222 
223 	/* Must create a large vendor descriptor */
224 
225 	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
226 	 sizeof(struct aml_resource_large_header),
227 	 0},
228 
229 	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
230 	 0,
231 	 0},
232 
233 	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
234 	 sizeof(struct aml_resource_large_header),
235 	 0}
236 };
237