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	 sizeof(struct aml_resource_memory24),
27	 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	 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	 sizeof(struct aml_resource_memory32),
59	 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	 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	 sizeof(struct aml_resource_fixed_memory32),
91	 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	 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	 0,
123	 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	 0,
147	 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	 0,
173	 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, 0, 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	 0,
193	 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