1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: rsmem24 - Memory resource descriptors
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "acresrc.h"
11
12#define _COMPONENT ACPI_RESOURCES
13ACPI_MODULE_NAME("rsmemory")
14
15/*******************************************************************************
16 *
17 * acpi_rs_convert_memory24
18 *
19 ******************************************************************************/
20struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
21 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
22 ACPI_RS_SIZE(struct acpi_resource_memory24),
23 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
24
25 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
26 .opcode: sizeof(struct aml_resource_memory24),
27 .resource_offset: 0},
28
29 /* Read/Write bit */
30
31 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
32 AML_OFFSET(memory24.flags),
33 0},
34 /*
35 * These fields are contiguous in both the source and destination:
36 * Minimum Base Address
37 * Maximum Base Address
38 * Address Base Alignment
39 * Range Length
40 */
41 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
42 AML_OFFSET(memory24.minimum),
43 .resource_offset: 4}
44};
45
46/*******************************************************************************
47 *
48 * acpi_rs_convert_memory32
49 *
50 ******************************************************************************/
51
52struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
53 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
54 ACPI_RS_SIZE(struct acpi_resource_memory32),
55 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
56
57 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
58 .opcode: sizeof(struct aml_resource_memory32),
59 .resource_offset: 0},
60
61 /* Read/Write bit */
62
63 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
64 AML_OFFSET(memory32.flags),
65 0},
66 /*
67 * These fields are contiguous in both the source and destination:
68 * Minimum Base Address
69 * Maximum Base Address
70 * Address Base Alignment
71 * Range Length
72 */
73 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
74 AML_OFFSET(memory32.minimum),
75 .resource_offset: 4}
76};
77
78/*******************************************************************************
79 *
80 * acpi_rs_convert_fixed_memory32
81 *
82 ******************************************************************************/
83
84struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
85 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
86 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
87 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
88
89 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
90 .opcode: sizeof(struct aml_resource_fixed_memory32),
91 .resource_offset: 0},
92
93 /* Read/Write bit */
94
95 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
96 AML_OFFSET(fixed_memory32.flags),
97 0},
98 /*
99 * These fields are contiguous in both the source and destination:
100 * Base Address
101 * Range Length
102 */
103 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
104 AML_OFFSET(fixed_memory32.address),
105 .resource_offset: 2}
106};
107
108/*******************************************************************************
109 *
110 * acpi_rs_get_vendor_small
111 *
112 ******************************************************************************/
113
114struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
115 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
116 ACPI_RS_SIZE(struct acpi_resource_vendor),
117 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
118
119 /* Length of the vendor data (byte count) */
120
121 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
122 .opcode: 0,
123 .resource_offset: sizeof(u8)},
124
125 /* Vendor data */
126
127 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
128 sizeof(struct aml_resource_small_header),
129 0}
130};
131
132/*******************************************************************************
133 *
134 * acpi_rs_get_vendor_large
135 *
136 ******************************************************************************/
137
138struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
139 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
140 ACPI_RS_SIZE(struct acpi_resource_vendor),
141 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
142
143 /* Length of the vendor data (byte count) */
144
145 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
146 .opcode: 0,
147 .resource_offset: sizeof(u8)},
148
149 /* Vendor data */
150
151 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
152 sizeof(struct aml_resource_large_header),
153 0}
154};
155
156/*******************************************************************************
157 *
158 * acpi_rs_set_vendor
159 *
160 ******************************************************************************/
161
162struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
163 /* Default is a small vendor descriptor */
164
165 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
166 sizeof(struct aml_resource_small_header),
167 ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},
168
169 /* Get the length and copy the data */
170
171 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
172 .opcode: 0,
173 .resource_offset: 0},
174
175 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
176 sizeof(struct aml_resource_small_header),
177 0},
178
179 /*
180 * All done if the Vendor byte length is 7 or less, meaning that it will
181 * fit within a small descriptor
182 */
183 {ACPI_RSC_EXIT_LE, 0, .opcode: 0, .resource_offset: 7},
184
185 /* Must create a large vendor descriptor */
186
187 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
188 sizeof(struct aml_resource_large_header),
189 0},
190
191 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
192 .opcode: 0,
193 .resource_offset: 0},
194
195 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
196 sizeof(struct aml_resource_large_header),
197 0}
198};
199