diff options
author | Len Brown <len.brown@intel.com> | 2005-08-05 00:44:28 -0400 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2005-08-05 00:45:14 -0400 |
commit | 4be44fcd3bf648b782f4460fd06dfae6c42ded4b (patch) | |
tree | 5b5b7d296ea58786f53b95e5eac9565ff66890b0 /drivers/acpi/executer/exprep.c | |
parent | c65ade4dc8b486e8c8b9b0a6399789a5428e2039 (diff) |
[ACPI] Lindent all ACPI files
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/exprep.c')
-rw-r--r-- | drivers/acpi/executer/exprep.c | 381 |
1 files changed, 185 insertions, 196 deletions
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c index c9e3c68b5549..7476c363e407 100644 --- a/drivers/acpi/executer/exprep.c +++ b/drivers/acpi/executer/exprep.c | |||
@@ -42,32 +42,24 @@ | |||
42 | * POSSIBILITY OF SUCH DAMAGES. | 42 | * POSSIBILITY OF SUCH DAMAGES. |
43 | */ | 43 | */ |
44 | 44 | ||
45 | |||
46 | #include <acpi/acpi.h> | 45 | #include <acpi/acpi.h> |
47 | #include <acpi/acinterp.h> | 46 | #include <acpi/acinterp.h> |
48 | #include <acpi/amlcode.h> | 47 | #include <acpi/amlcode.h> |
49 | #include <acpi/acnamesp.h> | 48 | #include <acpi/acnamesp.h> |
50 | 49 | ||
51 | |||
52 | #define _COMPONENT ACPI_EXECUTER | 50 | #define _COMPONENT ACPI_EXECUTER |
53 | ACPI_MODULE_NAME ("exprep") | 51 | ACPI_MODULE_NAME("exprep") |
54 | 52 | ||
55 | /* Local prototypes */ | 53 | /* Local prototypes */ |
56 | |||
57 | static u32 | 54 | static u32 |
58 | acpi_ex_decode_field_access ( | 55 | acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, |
59 | union acpi_operand_object *obj_desc, | 56 | u8 field_flags, u32 * return_byte_alignment); |
60 | u8 field_flags, | ||
61 | u32 *return_byte_alignment); | ||
62 | |||
63 | 57 | ||
64 | #ifdef ACPI_UNDER_DEVELOPMENT | 58 | #ifdef ACPI_UNDER_DEVELOPMENT |
65 | 59 | ||
66 | static u32 | 60 | static u32 |
67 | acpi_ex_generate_access ( | 61 | acpi_ex_generate_access(u32 field_bit_offset, |
68 | u32 field_bit_offset, | 62 | u32 field_bit_length, u32 region_length); |
69 | u32 field_bit_length, | ||
70 | u32 region_length); | ||
71 | 63 | ||
72 | /******************************************************************************* | 64 | /******************************************************************************* |
73 | * | 65 | * |
@@ -92,39 +84,36 @@ acpi_ex_generate_access ( | |||
92 | ******************************************************************************/ | 84 | ******************************************************************************/ |
93 | 85 | ||
94 | static u32 | 86 | static u32 |
95 | acpi_ex_generate_access ( | 87 | acpi_ex_generate_access(u32 field_bit_offset, |
96 | u32 field_bit_offset, | 88 | u32 field_bit_length, u32 region_length) |
97 | u32 field_bit_length, | ||
98 | u32 region_length) | ||
99 | { | 89 | { |
100 | u32 field_byte_length; | 90 | u32 field_byte_length; |
101 | u32 field_byte_offset; | 91 | u32 field_byte_offset; |
102 | u32 field_byte_end_offset; | 92 | u32 field_byte_end_offset; |
103 | u32 access_byte_width; | 93 | u32 access_byte_width; |
104 | u32 field_start_offset; | 94 | u32 field_start_offset; |
105 | u32 field_end_offset; | 95 | u32 field_end_offset; |
106 | u32 minimum_access_width = 0xFFFFFFFF; | 96 | u32 minimum_access_width = 0xFFFFFFFF; |
107 | u32 minimum_accesses = 0xFFFFFFFF; | 97 | u32 minimum_accesses = 0xFFFFFFFF; |
108 | u32 accesses; | 98 | u32 accesses; |
109 | 99 | ||
110 | 100 | ACPI_FUNCTION_TRACE("ex_generate_access"); | |
111 | ACPI_FUNCTION_TRACE ("ex_generate_access"); | ||
112 | |||
113 | 101 | ||
114 | /* Round Field start offset and length to "minimal" byte boundaries */ | 102 | /* Round Field start offset and length to "minimal" byte boundaries */ |
115 | 103 | ||
116 | field_byte_offset = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8)); | 104 | field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8)); |
117 | field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length + | 105 | field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length + |
118 | field_bit_offset, 8)); | 106 | field_bit_offset, 8)); |
119 | field_byte_length = field_byte_end_offset - field_byte_offset; | 107 | field_byte_length = field_byte_end_offset - field_byte_offset; |
120 | 108 | ||
121 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 109 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
122 | "Bit length %d, Bit offset %d\n", | 110 | "Bit length %d, Bit offset %d\n", |
123 | field_bit_length, field_bit_offset)); | 111 | field_bit_length, field_bit_offset)); |
124 | 112 | ||
125 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 113 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
126 | "Byte Length %d, Byte Offset %d, End Offset %d\n", | 114 | "Byte Length %d, Byte Offset %d, End Offset %d\n", |
127 | field_byte_length, field_byte_offset, field_byte_end_offset)); | 115 | field_byte_length, field_byte_offset, |
116 | field_byte_end_offset)); | ||
128 | 117 | ||
129 | /* | 118 | /* |
130 | * Iterative search for the maximum access width that is both aligned | 119 | * Iterative search for the maximum access width that is both aligned |
@@ -132,7 +121,8 @@ acpi_ex_generate_access ( | |||
132 | * | 121 | * |
133 | * Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes) | 122 | * Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes) |
134 | */ | 123 | */ |
135 | for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) { | 124 | for (access_byte_width = 1; access_byte_width <= 8; |
125 | access_byte_width <<= 1) { | ||
136 | /* | 126 | /* |
137 | * 1) Round end offset up to next access boundary and make sure that | 127 | * 1) Round end offset up to next access boundary and make sure that |
138 | * this does not go beyond the end of the parent region. | 128 | * this does not go beyond the end of the parent region. |
@@ -140,31 +130,37 @@ acpi_ex_generate_access ( | |||
140 | * are done. (This does not optimize for the perfectly aligned | 130 | * are done. (This does not optimize for the perfectly aligned |
141 | * case yet). | 131 | * case yet). |
142 | */ | 132 | */ |
143 | if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) { | 133 | if (ACPI_ROUND_UP(field_byte_end_offset, access_byte_width) <= |
134 | region_length) { | ||
144 | field_start_offset = | 135 | field_start_offset = |
145 | ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) / | 136 | ACPI_ROUND_DOWN(field_byte_offset, |
146 | access_byte_width; | 137 | access_byte_width) / |
138 | access_byte_width; | ||
147 | 139 | ||
148 | field_end_offset = | 140 | field_end_offset = |
149 | ACPI_ROUND_UP ((field_byte_length + field_byte_offset), | 141 | ACPI_ROUND_UP((field_byte_length + |
150 | access_byte_width) / access_byte_width; | 142 | field_byte_offset), |
143 | access_byte_width) / | ||
144 | access_byte_width; | ||
151 | 145 | ||
152 | accesses = field_end_offset - field_start_offset; | 146 | accesses = field_end_offset - field_start_offset; |
153 | 147 | ||
154 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 148 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
155 | "access_width %d end is within region\n", access_byte_width)); | 149 | "access_width %d end is within region\n", |
150 | access_byte_width)); | ||
156 | 151 | ||
157 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 152 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
158 | "Field Start %d, Field End %d -- requires %d accesses\n", | 153 | "Field Start %d, Field End %d -- requires %d accesses\n", |
159 | field_start_offset, field_end_offset, accesses)); | 154 | field_start_offset, field_end_offset, |
155 | accesses)); | ||
160 | 156 | ||
161 | /* Single access is optimal */ | 157 | /* Single access is optimal */ |
162 | 158 | ||
163 | if (accesses <= 1) { | 159 | if (accesses <= 1) { |
164 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 160 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
165 | "Entire field can be accessed with one operation of size %d\n", | 161 | "Entire field can be accessed with one operation of size %d\n", |
166 | access_byte_width)); | 162 | access_byte_width)); |
167 | return_VALUE (access_byte_width); | 163 | return_VALUE(access_byte_width); |
168 | } | 164 | } |
169 | 165 | ||
170 | /* | 166 | /* |
@@ -172,30 +168,30 @@ acpi_ex_generate_access ( | |||
172 | * try the next wider access on next iteration | 168 | * try the next wider access on next iteration |
173 | */ | 169 | */ |
174 | if (accesses < minimum_accesses) { | 170 | if (accesses < minimum_accesses) { |
175 | minimum_accesses = accesses; | 171 | minimum_accesses = accesses; |
176 | minimum_access_width = access_byte_width; | 172 | minimum_access_width = access_byte_width; |
177 | } | 173 | } |
178 | } | 174 | } else { |
179 | else { | 175 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
180 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 176 | "access_width %d end is NOT within region\n", |
181 | "access_width %d end is NOT within region\n", access_byte_width)); | 177 | access_byte_width)); |
182 | if (access_byte_width == 1) { | 178 | if (access_byte_width == 1) { |
183 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 179 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
184 | "Field goes beyond end-of-region!\n")); | 180 | "Field goes beyond end-of-region!\n")); |
185 | 181 | ||
186 | /* Field does not fit in the region at all */ | 182 | /* Field does not fit in the region at all */ |
187 | 183 | ||
188 | return_VALUE (0); | 184 | return_VALUE(0); |
189 | } | 185 | } |
190 | 186 | ||
191 | /* | 187 | /* |
192 | * This width goes beyond the end-of-region, back off to | 188 | * This width goes beyond the end-of-region, back off to |
193 | * previous access | 189 | * previous access |
194 | */ | 190 | */ |
195 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 191 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
196 | "Backing off to previous optimal access width of %d\n", | 192 | "Backing off to previous optimal access width of %d\n", |
197 | minimum_access_width)); | 193 | minimum_access_width)); |
198 | return_VALUE (minimum_access_width); | 194 | return_VALUE(minimum_access_width); |
199 | } | 195 | } |
200 | } | 196 | } |
201 | 197 | ||
@@ -203,12 +199,11 @@ acpi_ex_generate_access ( | |||
203 | * Could not read/write field with one operation, | 199 | * Could not read/write field with one operation, |
204 | * just use max access width | 200 | * just use max access width |
205 | */ | 201 | */ |
206 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 202 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
207 | "Cannot access field in one operation, using width 8\n")); | 203 | "Cannot access field in one operation, using width 8\n")); |
208 | return_VALUE (8); | 204 | return_VALUE(8); |
209 | } | 205 | } |
210 | #endif /* ACPI_UNDER_DEVELOPMENT */ | 206 | #endif /* ACPI_UNDER_DEVELOPMENT */ |
211 | |||
212 | 207 | ||
213 | /******************************************************************************* | 208 | /******************************************************************************* |
214 | * | 209 | * |
@@ -226,18 +221,14 @@ acpi_ex_generate_access ( | |||
226 | ******************************************************************************/ | 221 | ******************************************************************************/ |
227 | 222 | ||
228 | static u32 | 223 | static u32 |
229 | acpi_ex_decode_field_access ( | 224 | acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, |
230 | union acpi_operand_object *obj_desc, | 225 | u8 field_flags, u32 * return_byte_alignment) |
231 | u8 field_flags, | ||
232 | u32 *return_byte_alignment) | ||
233 | { | 226 | { |
234 | u32 access; | 227 | u32 access; |
235 | u32 byte_alignment; | 228 | u32 byte_alignment; |
236 | u32 bit_length; | 229 | u32 bit_length; |
237 | |||
238 | |||
239 | ACPI_FUNCTION_TRACE ("ex_decode_field_access"); | ||
240 | 230 | ||
231 | ACPI_FUNCTION_TRACE("ex_decode_field_access"); | ||
241 | 232 | ||
242 | access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK); | 233 | access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK); |
243 | 234 | ||
@@ -246,9 +237,12 @@ acpi_ex_decode_field_access ( | |||
246 | 237 | ||
247 | #ifdef ACPI_UNDER_DEVELOPMENT | 238 | #ifdef ACPI_UNDER_DEVELOPMENT |
248 | byte_alignment = | 239 | byte_alignment = |
249 | acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset, | 240 | acpi_ex_generate_access(obj_desc->common_field. |
250 | obj_desc->common_field.bit_length, | 241 | start_field_bit_offset, |
251 | 0xFFFFFFFF /* Temp until we pass region_length as parameter */); | 242 | obj_desc->common_field.bit_length, |
243 | 0xFFFFFFFF | ||
244 | /* Temp until we pass region_length as parameter */ | ||
245 | ); | ||
252 | bit_length = byte_alignment * 8; | 246 | bit_length = byte_alignment * 8; |
253 | #endif | 247 | #endif |
254 | 248 | ||
@@ -257,36 +251,35 @@ acpi_ex_decode_field_access ( | |||
257 | break; | 251 | break; |
258 | 252 | ||
259 | case AML_FIELD_ACCESS_BYTE: | 253 | case AML_FIELD_ACCESS_BYTE: |
260 | case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */ | 254 | case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */ |
261 | byte_alignment = 1; | 255 | byte_alignment = 1; |
262 | bit_length = 8; | 256 | bit_length = 8; |
263 | break; | 257 | break; |
264 | 258 | ||
265 | case AML_FIELD_ACCESS_WORD: | 259 | case AML_FIELD_ACCESS_WORD: |
266 | byte_alignment = 2; | 260 | byte_alignment = 2; |
267 | bit_length = 16; | 261 | bit_length = 16; |
268 | break; | 262 | break; |
269 | 263 | ||
270 | case AML_FIELD_ACCESS_DWORD: | 264 | case AML_FIELD_ACCESS_DWORD: |
271 | byte_alignment = 4; | 265 | byte_alignment = 4; |
272 | bit_length = 32; | 266 | bit_length = 32; |
273 | break; | 267 | break; |
274 | 268 | ||
275 | case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */ | 269 | case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */ |
276 | byte_alignment = 8; | 270 | byte_alignment = 8; |
277 | bit_length = 64; | 271 | bit_length = 64; |
278 | break; | 272 | break; |
279 | 273 | ||
280 | default: | 274 | default: |
281 | /* Invalid field access type */ | 275 | /* Invalid field access type */ |
282 | 276 | ||
283 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, | 277 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
284 | "Unknown field access type %X\n", | 278 | "Unknown field access type %X\n", access)); |
285 | access)); | 279 | return_VALUE(0); |
286 | return_VALUE (0); | ||
287 | } | 280 | } |
288 | 281 | ||
289 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) { | 282 | if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) { |
290 | /* | 283 | /* |
291 | * buffer_field access can be on any byte boundary, so the | 284 | * buffer_field access can be on any byte boundary, so the |
292 | * byte_alignment is always 1 byte -- regardless of any byte_alignment | 285 | * byte_alignment is always 1 byte -- regardless of any byte_alignment |
@@ -296,10 +289,9 @@ acpi_ex_decode_field_access ( | |||
296 | } | 289 | } |
297 | 290 | ||
298 | *return_byte_alignment = byte_alignment; | 291 | *return_byte_alignment = byte_alignment; |
299 | return_VALUE (bit_length); | 292 | return_VALUE(bit_length); |
300 | } | 293 | } |
301 | 294 | ||
302 | |||
303 | /******************************************************************************* | 295 | /******************************************************************************* |
304 | * | 296 | * |
305 | * FUNCTION: acpi_ex_prep_common_field_object | 297 | * FUNCTION: acpi_ex_prep_common_field_object |
@@ -322,20 +314,16 @@ acpi_ex_decode_field_access ( | |||
322 | ******************************************************************************/ | 314 | ******************************************************************************/ |
323 | 315 | ||
324 | acpi_status | 316 | acpi_status |
325 | acpi_ex_prep_common_field_object ( | 317 | acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, |
326 | union acpi_operand_object *obj_desc, | 318 | u8 field_flags, |
327 | u8 field_flags, | 319 | u8 field_attribute, |
328 | u8 field_attribute, | 320 | u32 field_bit_position, u32 field_bit_length) |
329 | u32 field_bit_position, | ||
330 | u32 field_bit_length) | ||
331 | { | 321 | { |
332 | u32 access_bit_width; | 322 | u32 access_bit_width; |
333 | u32 byte_alignment; | 323 | u32 byte_alignment; |
334 | u32 nearest_byte_address; | 324 | u32 nearest_byte_address; |
335 | |||
336 | |||
337 | ACPI_FUNCTION_TRACE ("ex_prep_common_field_object"); | ||
338 | 325 | ||
326 | ACPI_FUNCTION_TRACE("ex_prep_common_field_object"); | ||
339 | 327 | ||
340 | /* | 328 | /* |
341 | * Note: the structure being initialized is the | 329 | * Note: the structure being initialized is the |
@@ -361,16 +349,16 @@ acpi_ex_prep_common_field_object ( | |||
361 | * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is | 349 | * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is |
362 | * the same (equivalent) as the byte_alignment. | 350 | * the same (equivalent) as the byte_alignment. |
363 | */ | 351 | */ |
364 | access_bit_width = acpi_ex_decode_field_access (obj_desc, field_flags, | 352 | access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags, |
365 | &byte_alignment); | 353 | &byte_alignment); |
366 | if (!access_bit_width) { | 354 | if (!access_bit_width) { |
367 | return_ACPI_STATUS (AE_AML_OPERAND_VALUE); | 355 | return_ACPI_STATUS(AE_AML_OPERAND_VALUE); |
368 | } | 356 | } |
369 | 357 | ||
370 | /* Setup width (access granularity) fields */ | 358 | /* Setup width (access granularity) fields */ |
371 | 359 | ||
372 | obj_desc->common_field.access_byte_width = (u8) | 360 | obj_desc->common_field.access_byte_width = (u8) |
373 | ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */ | 361 | ACPI_DIV_8(access_bit_width); /* 1, 2, 4, 8 */ |
374 | 362 | ||
375 | obj_desc->common_field.access_bit_width = (u8) access_bit_width; | 363 | obj_desc->common_field.access_bit_width = (u8) access_bit_width; |
376 | 364 | ||
@@ -385,30 +373,30 @@ acpi_ex_prep_common_field_object ( | |||
385 | * region or buffer. | 373 | * region or buffer. |
386 | */ | 374 | */ |
387 | nearest_byte_address = | 375 | nearest_byte_address = |
388 | ACPI_ROUND_BITS_DOWN_TO_BYTES (field_bit_position); | 376 | ACPI_ROUND_BITS_DOWN_TO_BYTES(field_bit_position); |
389 | obj_desc->common_field.base_byte_offset = (u32) | 377 | obj_desc->common_field.base_byte_offset = (u32) |
390 | ACPI_ROUND_DOWN (nearest_byte_address, byte_alignment); | 378 | ACPI_ROUND_DOWN(nearest_byte_address, byte_alignment); |
391 | 379 | ||
392 | /* | 380 | /* |
393 | * start_field_bit_offset is the offset of the first bit of the field within | 381 | * start_field_bit_offset is the offset of the first bit of the field within |
394 | * a field datum. | 382 | * a field datum. |
395 | */ | 383 | */ |
396 | obj_desc->common_field.start_field_bit_offset = (u8) | 384 | obj_desc->common_field.start_field_bit_offset = (u8) |
397 | (field_bit_position - ACPI_MUL_8 (obj_desc->common_field.base_byte_offset)); | 385 | (field_bit_position - |
386 | ACPI_MUL_8(obj_desc->common_field.base_byte_offset)); | ||
398 | 387 | ||
399 | /* | 388 | /* |
400 | * Does the entire field fit within a single field access element? (datum) | 389 | * Does the entire field fit within a single field access element? (datum) |
401 | * (i.e., without crossing a datum boundary) | 390 | * (i.e., without crossing a datum boundary) |
402 | */ | 391 | */ |
403 | if ((obj_desc->common_field.start_field_bit_offset + field_bit_length) <= | 392 | if ((obj_desc->common_field.start_field_bit_offset + |
404 | (u16) access_bit_width) { | 393 | field_bit_length) <= (u16) access_bit_width) { |
405 | obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM; | 394 | obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM; |
406 | } | 395 | } |
407 | 396 | ||
408 | return_ACPI_STATUS (AE_OK); | 397 | return_ACPI_STATUS(AE_OK); |
409 | } | 398 | } |
410 | 399 | ||
411 | |||
412 | /******************************************************************************* | 400 | /******************************************************************************* |
413 | * | 401 | * |
414 | * FUNCTION: acpi_ex_prep_field_value | 402 | * FUNCTION: acpi_ex_prep_field_value |
@@ -422,51 +410,49 @@ acpi_ex_prep_common_field_object ( | |||
422 | * | 410 | * |
423 | ******************************************************************************/ | 411 | ******************************************************************************/ |
424 | 412 | ||
425 | acpi_status | 413 | acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) |
426 | acpi_ex_prep_field_value ( | ||
427 | struct acpi_create_field_info *info) | ||
428 | { | 414 | { |
429 | union acpi_operand_object *obj_desc; | 415 | union acpi_operand_object *obj_desc; |
430 | u32 type; | 416 | u32 type; |
431 | acpi_status status; | 417 | acpi_status status; |
432 | |||
433 | |||
434 | ACPI_FUNCTION_TRACE ("ex_prep_field_value"); | ||
435 | 418 | ||
419 | ACPI_FUNCTION_TRACE("ex_prep_field_value"); | ||
436 | 420 | ||
437 | /* Parameter validation */ | 421 | /* Parameter validation */ |
438 | 422 | ||
439 | if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) { | 423 | if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) { |
440 | if (!info->region_node) { | 424 | if (!info->region_node) { |
441 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null region_node\n")); | 425 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Null region_node\n")); |
442 | return_ACPI_STATUS (AE_AML_NO_OPERAND); | 426 | return_ACPI_STATUS(AE_AML_NO_OPERAND); |
443 | } | 427 | } |
444 | 428 | ||
445 | type = acpi_ns_get_type (info->region_node); | 429 | type = acpi_ns_get_type(info->region_node); |
446 | if (type != ACPI_TYPE_REGION) { | 430 | if (type != ACPI_TYPE_REGION) { |
447 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, | 431 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
448 | "Needed Region, found type %X (%s)\n", | 432 | "Needed Region, found type %X (%s)\n", |
449 | type, acpi_ut_get_type_name (type))); | 433 | type, acpi_ut_get_type_name(type))); |
450 | 434 | ||
451 | return_ACPI_STATUS (AE_AML_OPERAND_TYPE); | 435 | return_ACPI_STATUS(AE_AML_OPERAND_TYPE); |
452 | } | 436 | } |
453 | } | 437 | } |
454 | 438 | ||
455 | /* Allocate a new field object */ | 439 | /* Allocate a new field object */ |
456 | 440 | ||
457 | obj_desc = acpi_ut_create_internal_object (info->field_type); | 441 | obj_desc = acpi_ut_create_internal_object(info->field_type); |
458 | if (!obj_desc) { | 442 | if (!obj_desc) { |
459 | return_ACPI_STATUS (AE_NO_MEMORY); | 443 | return_ACPI_STATUS(AE_NO_MEMORY); |
460 | } | 444 | } |
461 | 445 | ||
462 | /* Initialize areas of the object that are common to all fields */ | 446 | /* Initialize areas of the object that are common to all fields */ |
463 | 447 | ||
464 | obj_desc->common_field.node = info->field_node; | 448 | obj_desc->common_field.node = info->field_node; |
465 | status = acpi_ex_prep_common_field_object (obj_desc, info->field_flags, | 449 | status = acpi_ex_prep_common_field_object(obj_desc, info->field_flags, |
466 | info->attribute, info->field_bit_position, info->field_bit_length); | 450 | info->attribute, |
467 | if (ACPI_FAILURE (status)) { | 451 | info->field_bit_position, |
468 | acpi_ut_delete_object_desc (obj_desc); | 452 | info->field_bit_length); |
469 | return_ACPI_STATUS (status); | 453 | if (ACPI_FAILURE(status)) { |
454 | acpi_ut_delete_object_desc(obj_desc); | ||
455 | return_ACPI_STATUS(status); | ||
470 | } | 456 | } |
471 | 457 | ||
472 | /* Initialize areas of the object that are specific to the field type */ | 458 | /* Initialize areas of the object that are specific to the field type */ |
@@ -474,71 +460,73 @@ acpi_ex_prep_field_value ( | |||
474 | switch (info->field_type) { | 460 | switch (info->field_type) { |
475 | case ACPI_TYPE_LOCAL_REGION_FIELD: | 461 | case ACPI_TYPE_LOCAL_REGION_FIELD: |
476 | 462 | ||
477 | obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node); | 463 | obj_desc->field.region_obj = |
464 | acpi_ns_get_attached_object(info->region_node); | ||
478 | 465 | ||
479 | /* An additional reference for the container */ | 466 | /* An additional reference for the container */ |
480 | 467 | ||
481 | acpi_ut_add_reference (obj_desc->field.region_obj); | 468 | acpi_ut_add_reference(obj_desc->field.region_obj); |
482 | 469 | ||
483 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 470 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
484 | "region_field: bit_off %X, Off %X, Gran %X, Region %p\n", | 471 | "region_field: bit_off %X, Off %X, Gran %X, Region %p\n", |
485 | obj_desc->field.start_field_bit_offset, obj_desc->field.base_byte_offset, | 472 | obj_desc->field.start_field_bit_offset, |
486 | obj_desc->field.access_byte_width, obj_desc->field.region_obj)); | 473 | obj_desc->field.base_byte_offset, |
474 | obj_desc->field.access_byte_width, | ||
475 | obj_desc->field.region_obj)); | ||
487 | break; | 476 | break; |
488 | 477 | ||
489 | |||
490 | case ACPI_TYPE_LOCAL_BANK_FIELD: | 478 | case ACPI_TYPE_LOCAL_BANK_FIELD: |
491 | 479 | ||
492 | obj_desc->bank_field.value = info->bank_value; | 480 | obj_desc->bank_field.value = info->bank_value; |
493 | obj_desc->bank_field.region_obj = acpi_ns_get_attached_object ( | 481 | obj_desc->bank_field.region_obj = |
494 | info->region_node); | 482 | acpi_ns_get_attached_object(info->region_node); |
495 | obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object ( | 483 | obj_desc->bank_field.bank_obj = |
496 | info->register_node); | 484 | acpi_ns_get_attached_object(info->register_node); |
497 | 485 | ||
498 | /* An additional reference for the attached objects */ | 486 | /* An additional reference for the attached objects */ |
499 | 487 | ||
500 | acpi_ut_add_reference (obj_desc->bank_field.region_obj); | 488 | acpi_ut_add_reference(obj_desc->bank_field.region_obj); |
501 | acpi_ut_add_reference (obj_desc->bank_field.bank_obj); | 489 | acpi_ut_add_reference(obj_desc->bank_field.bank_obj); |
502 | 490 | ||
503 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 491 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
504 | "Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n", | 492 | "Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n", |
505 | obj_desc->bank_field.start_field_bit_offset, | 493 | obj_desc->bank_field.start_field_bit_offset, |
506 | obj_desc->bank_field.base_byte_offset, | 494 | obj_desc->bank_field.base_byte_offset, |
507 | obj_desc->field.access_byte_width, | 495 | obj_desc->field.access_byte_width, |
508 | obj_desc->bank_field.region_obj, | 496 | obj_desc->bank_field.region_obj, |
509 | obj_desc->bank_field.bank_obj)); | 497 | obj_desc->bank_field.bank_obj)); |
510 | break; | 498 | break; |
511 | 499 | ||
512 | |||
513 | case ACPI_TYPE_LOCAL_INDEX_FIELD: | 500 | case ACPI_TYPE_LOCAL_INDEX_FIELD: |
514 | 501 | ||
515 | obj_desc->index_field.index_obj = acpi_ns_get_attached_object ( | 502 | obj_desc->index_field.index_obj = |
516 | info->register_node); | 503 | acpi_ns_get_attached_object(info->register_node); |
517 | obj_desc->index_field.data_obj = acpi_ns_get_attached_object ( | 504 | obj_desc->index_field.data_obj = |
518 | info->data_register_node); | 505 | acpi_ns_get_attached_object(info->data_register_node); |
519 | obj_desc->index_field.value = (u32) | 506 | obj_desc->index_field.value = (u32) |
520 | (info->field_bit_position / ACPI_MUL_8 ( | 507 | (info->field_bit_position / |
521 | obj_desc->field.access_byte_width)); | 508 | ACPI_MUL_8(obj_desc->field.access_byte_width)); |
522 | 509 | ||
523 | if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) { | 510 | if (!obj_desc->index_field.data_obj |
524 | ACPI_REPORT_ERROR (("Null Index Object during field prep\n")); | 511 | || !obj_desc->index_field.index_obj) { |
525 | acpi_ut_delete_object_desc (obj_desc); | 512 | ACPI_REPORT_ERROR(("Null Index Object during field prep\n")); |
526 | return_ACPI_STATUS (AE_AML_INTERNAL); | 513 | acpi_ut_delete_object_desc(obj_desc); |
514 | return_ACPI_STATUS(AE_AML_INTERNAL); | ||
527 | } | 515 | } |
528 | 516 | ||
529 | /* An additional reference for the attached objects */ | 517 | /* An additional reference for the attached objects */ |
530 | 518 | ||
531 | acpi_ut_add_reference (obj_desc->index_field.data_obj); | 519 | acpi_ut_add_reference(obj_desc->index_field.data_obj); |
532 | acpi_ut_add_reference (obj_desc->index_field.index_obj); | 520 | acpi_ut_add_reference(obj_desc->index_field.index_obj); |
533 | 521 | ||
534 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, | 522 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
535 | "index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n", | 523 | "index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n", |
536 | obj_desc->index_field.start_field_bit_offset, | 524 | obj_desc->index_field.start_field_bit_offset, |
537 | obj_desc->index_field.base_byte_offset, | 525 | obj_desc->index_field.base_byte_offset, |
538 | obj_desc->index_field.value, | 526 | obj_desc->index_field.value, |
539 | obj_desc->field.access_byte_width, | 527 | obj_desc->field.access_byte_width, |
540 | obj_desc->index_field.index_obj, | 528 | obj_desc->index_field.index_obj, |
541 | obj_desc->index_field.data_obj)); | 529 | obj_desc->index_field.data_obj)); |
542 | break; | 530 | break; |
543 | 531 | ||
544 | default: | 532 | default: |
@@ -550,15 +538,16 @@ acpi_ex_prep_field_value ( | |||
550 | * Store the constructed descriptor (obj_desc) into the parent Node, | 538 | * Store the constructed descriptor (obj_desc) into the parent Node, |
551 | * preserving the current type of that named_obj. | 539 | * preserving the current type of that named_obj. |
552 | */ | 540 | */ |
553 | status = acpi_ns_attach_object (info->field_node, obj_desc, | 541 | status = acpi_ns_attach_object(info->field_node, obj_desc, |
554 | acpi_ns_get_type (info->field_node)); | 542 | acpi_ns_get_type(info->field_node)); |
555 | 543 | ||
556 | ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Set named_obj %p [%4.4s], obj_desc %p\n", | 544 | ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, |
557 | info->field_node, acpi_ut_get_node_name (info->field_node), obj_desc)); | 545 | "Set named_obj %p [%4.4s], obj_desc %p\n", |
546 | info->field_node, | ||
547 | acpi_ut_get_node_name(info->field_node), obj_desc)); | ||
558 | 548 | ||
559 | /* Remove local reference to the object */ | 549 | /* Remove local reference to the object */ |
560 | 550 | ||
561 | acpi_ut_remove_reference (obj_desc); | 551 | acpi_ut_remove_reference(obj_desc); |
562 | return_ACPI_STATUS (status); | 552 | return_ACPI_STATUS(status); |
563 | } | 553 | } |
564 | |||