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path: root/drivers/acpi/resources/rsmemory.c
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Diffstat (limited to 'drivers/acpi/resources/rsmemory.c')
-rw-r--r--drivers/acpi/resources/rsmemory.c303
1 files changed, 115 insertions, 188 deletions
diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c
index 47e979e7ba35..418a3fb64077 100644
--- a/drivers/acpi/resources/rsmemory.c
+++ b/drivers/acpi/resources/rsmemory.c
@@ -49,260 +49,187 @@ ACPI_MODULE_NAME("rsmemory")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_rs_get_memory24 52 * acpi_rs_convert_memory24
53 *
54 * PARAMETERS: Aml - Pointer to the AML resource descriptor
55 * aml_resource_length - Length of the resource from the AML header
56 * Resource - Where the internal resource is returned
57 *
58 * RETURN: Status
59 *
60 * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
61 * internal resource descriptor, simplifying bitflags and handling
62 * alignment and endian issues if necessary.
63 * 53 *
64 ******************************************************************************/ 54 ******************************************************************************/
65acpi_status 55struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
66acpi_rs_get_memory24(union aml_resource * aml, 56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
67 u16 aml_resource_length, struct acpi_resource * resource) 57 ACPI_RS_SIZE(struct acpi_resource_memory24),
68{ 58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
69 ACPI_FUNCTION_TRACE("rs_get_memory24");
70 59
71 /* Get the Read/Write bit */ 60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
61 sizeof(struct aml_resource_memory24),
62 0},
72 63
73 resource->data.memory24.read_write_attribute = 64 /* Read/Write bit */
74 (aml->memory24.information & 0x01);
75 65
66 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
67 AML_OFFSET(memory24.flags),
68 0},
76 /* 69 /*
77 * Get the following contiguous fields from the AML descriptor: 70 * These fields are contiguous in both the source and destination:
78 * Minimum Base Address 71 * Minimum Base Address
79 * Maximum Base Address 72 * Maximum Base Address
80 * Address Base Alignment 73 * Address Base Alignment
81 * Range Length 74 * Range Length
82 */ 75 */
83 acpi_rs_move_data(&resource->data.memory24.minimum, 76 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
84 &aml->memory24.minimum, 4, ACPI_MOVE_TYPE_16_TO_32); 77 AML_OFFSET(memory24.minimum),
85 78 4}
86 /* Complete the resource header */ 79};
87
88 resource->type = ACPI_RESOURCE_TYPE_MEMORY24;
89 resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory24);
90 return_ACPI_STATUS(AE_OK);
91}
92 80
93/******************************************************************************* 81/*******************************************************************************
94 * 82 *
95 * FUNCTION: acpi_rs_set_memory24 83 * acpi_rs_convert_memory32
96 *
97 * PARAMETERS: Resource - Pointer to the resource descriptor
98 * Aml - Where the AML descriptor is returned
99 *
100 * RETURN: Status
101 *
102 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
103 * external AML resource descriptor.
104 * 84 *
105 ******************************************************************************/ 85 ******************************************************************************/
106 86
107acpi_status 87struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
108acpi_rs_set_memory24(struct acpi_resource *resource, union aml_resource *aml) 88 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
109{ 89 ACPI_RS_SIZE(struct acpi_resource_memory32),
110 ACPI_FUNCTION_TRACE("rs_set_memory24"); 90 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
111 91
112 /* Set the Information Byte */ 92 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
93 sizeof(struct aml_resource_memory32),
94 0},
113 95
114 aml->memory24.information = (u8) 96 /* Read/Write bit */
115 (resource->data.memory24.read_write_attribute & 0x01);
116 97
98 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
99 AML_OFFSET(memory32.flags),
100 0},
117 /* 101 /*
118 * Set the following contiguous fields in the AML descriptor: 102 * These fields are contiguous in both the source and destination:
119 * Minimum Base Address 103 * Minimum Base Address
120 * Maximum Base Address 104 * Maximum Base Address
121 * Address Base Alignment 105 * Address Base Alignment
122 * Range Length 106 * Range Length
123 */ 107 */
124 acpi_rs_move_data(&aml->memory24.minimum, 108 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
125 &resource->data.memory24.minimum, 4, 109 AML_OFFSET(memory32.minimum),
126 ACPI_MOVE_TYPE_32_TO_16); 110 4}
127 111};
128 /* Complete the AML descriptor header */
129
130 acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY24,
131 sizeof(struct aml_resource_memory24), aml);
132 return_ACPI_STATUS(AE_OK);
133}
134 112
135/******************************************************************************* 113/*******************************************************************************
136 * 114 *
137 * FUNCTION: acpi_rs_get_memory32 115 * acpi_rs_convert_fixed_memory32
138 *
139 * PARAMETERS: Aml - Pointer to the AML resource descriptor
140 * aml_resource_length - Length of the resource from the AML header
141 * Resource - Where the internal resource is returned
142 *
143 * RETURN: Status
144 *
145 * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
146 * internal resource descriptor, simplifying bitflags and handling
147 * alignment and endian issues if necessary.
148 * 116 *
149 ******************************************************************************/ 117 ******************************************************************************/
150 118
151acpi_status 119struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
152acpi_rs_get_memory32(union aml_resource *aml, 120 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
153 u16 aml_resource_length, struct acpi_resource *resource) 121 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
154{ 122 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
155 ACPI_FUNCTION_TRACE("rs_get_memory32");
156 123
157 /* Get the Read/Write bit */ 124 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
125 sizeof(struct aml_resource_fixed_memory32),
126 0},
158 127
159 resource->data.memory32.read_write_attribute = 128 /* Read/Write bit */
160 (aml->memory32.information & 0x01);
161 129
130 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
131 AML_OFFSET(fixed_memory32.flags),
132 0},
162 /* 133 /*
163 * Get the following contiguous fields from the AML descriptor: 134 * These fields are contiguous in both the source and destination:
164 * Minimum Base Address 135 * Base Address
165 * Maximum Base Address
166 * Address Base Alignment
167 * Range Length 136 * Range Length
168 */ 137 */
169 acpi_rs_move_data(&resource->data.memory32.minimum, 138 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
170 &aml->memory32.minimum, 4, ACPI_MOVE_TYPE_32_TO_32); 139 AML_OFFSET(fixed_memory32.address),
171 140 2}
172 /* Complete the resource header */ 141};
173
174 resource->type = ACPI_RESOURCE_TYPE_MEMORY32;
175 resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory32);
176 return_ACPI_STATUS(AE_OK);
177}
178 142
179/******************************************************************************* 143/*******************************************************************************
180 * 144 *
181 * FUNCTION: acpi_rs_set_memory32 145 * acpi_rs_get_vendor_small
182 *
183 * PARAMETERS: Resource - Pointer to the resource descriptor
184 * Aml - Where the AML descriptor is returned
185 *
186 * RETURN: Status
187 *
188 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
189 * external AML resource descriptor.
190 * 146 *
191 ******************************************************************************/ 147 ******************************************************************************/
192 148
193acpi_status 149struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
194acpi_rs_set_memory32(struct acpi_resource *resource, union aml_resource *aml) 150 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
195{ 151 ACPI_RS_SIZE(struct acpi_resource_vendor),
196 ACPI_FUNCTION_TRACE("rs_set_memory32"); 152 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
197
198 /* Set the Information Byte */
199 153
200 aml->memory32.information = (u8) 154 /* Length of the vendor data (byte count) */
201 (resource->data.memory32.read_write_attribute & 0x01);
202 155
203 /* 156 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
204 * Set the following contiguous fields in the AML descriptor: 157 0,
205 * Minimum Base Address 158 sizeof(u8)}
206 * Maximum Base Address 159 ,
207 * Address Base Alignment
208 * Range Length
209 */
210 acpi_rs_move_data(&aml->memory32.minimum,
211 &resource->data.memory32.minimum, 4,
212 ACPI_MOVE_TYPE_32_TO_32);
213 160
214 /* Complete the AML descriptor header */ 161 /* Vendor data */
215 162
216 acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY32, 163 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
217 sizeof(struct aml_resource_memory32), aml); 164 sizeof(struct aml_resource_small_header),
218 return_ACPI_STATUS(AE_OK); 165 0}
219} 166};
220 167
221/******************************************************************************* 168/*******************************************************************************
222 * 169 *
223 * FUNCTION: acpi_rs_get_fixed_memory32 170 * acpi_rs_get_vendor_large
224 *
225 * PARAMETERS: Aml - Pointer to the AML resource descriptor
226 * aml_resource_length - Length of the resource from the AML header
227 * Resource - Where the internal resource is returned
228 *
229 * RETURN: Status
230 *
231 * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
232 * internal resource descriptor, simplifying bitflags and handling
233 * alignment and endian issues if necessary.
234 * 171 *
235 ******************************************************************************/ 172 ******************************************************************************/
236 173
237acpi_status 174struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
238acpi_rs_get_fixed_memory32(union aml_resource *aml, 175 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
239 u16 aml_resource_length, 176 ACPI_RS_SIZE(struct acpi_resource_vendor),
240 struct acpi_resource *resource) 177 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
241{
242 ACPI_FUNCTION_TRACE("rs_get_fixed_memory32");
243
244 /* Get the Read/Write bit */
245 178
246 resource->data.fixed_memory32.read_write_attribute = 179 /* Length of the vendor data (byte count) */
247 (aml->fixed_memory32.information & 0x01);
248 180
249 /* 181 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
250 * Get the following contiguous fields from the AML descriptor: 182 0,
251 * Base Address 183 sizeof(u8)}
252 * Range Length 184 ,
253 */
254 ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address,
255 &aml->fixed_memory32.address);
256 ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address_length,
257 &aml->fixed_memory32.address_length);
258 185
259 /* Complete the resource header */ 186 /* Vendor data */
260 187
261 resource->type = ACPI_RESOURCE_TYPE_FIXED_MEMORY32; 188 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
262 resource->length = 189 sizeof(struct aml_resource_large_header),
263 ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_memory32); 190 0}
264 return_ACPI_STATUS(AE_OK); 191};
265}
266 192
267/******************************************************************************* 193/*******************************************************************************
268 * 194 *
269 * FUNCTION: acpi_rs_set_fixed_memory32 195 * acpi_rs_set_vendor
270 *
271 * PARAMETERS: Resource - Pointer to the resource descriptor
272 * Aml - Where the AML descriptor is returned
273 *
274 * RETURN: Status
275 *
276 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
277 * external AML resource descriptor.
278 * 196 *
279 ******************************************************************************/ 197 ******************************************************************************/
280 198
281acpi_status 199struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
282acpi_rs_set_fixed_memory32(struct acpi_resource *resource, 200 /* Default is a small vendor descriptor */
283 union aml_resource *aml) 201
284{ 202 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
285 ACPI_FUNCTION_TRACE("rs_set_fixed_memory32"); 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 */
286 207
287 /* Set the Information Byte */ 208 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
209 0,
210 0},
288 211
289 aml->fixed_memory32.information = (u8) 212 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
290 (resource->data.fixed_memory32.read_write_attribute & 0x01); 213 sizeof(struct aml_resource_small_header),
214 0},
291 215
292 /* 216 /*
293 * Set the following contiguous fields in the AML descriptor: 217 * All done if the Vendor byte length is 7 or less, meaning that it will
294 * Base Address 218 * fit within a small descriptor
295 * Range Length
296 */ 219 */
297 ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address, 220 {ACPI_RSC_EXIT_LE, 0, 0, 7},
298 &resource->data.fixed_memory32.address); 221
299 ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address_length, 222 /* Must create a large vendor descriptor */
300 &resource->data.fixed_memory32.address_length); 223
301 224 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
302 /* Complete the AML descriptor header */ 225 sizeof(struct aml_resource_large_header),
303 226 0},
304 acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_FIXED_MEMORY32, 227
305 sizeof(struct aml_resource_fixed_memory32), 228 {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
306 aml); 229 0,
307 return_ACPI_STATUS(AE_OK); 230 0},
308} 231
232 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
233 sizeof(struct aml_resource_large_header),
234 0}
235};