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de22b698 | 1 | /** @file\r |
50a64e5b | 2 | Provide services to access I/O Ports and MMIO registers.\r |
de22b698 | 3 | \r |
9638ba6d | 4 | Copyright (c) 2006 - 2008, Intel Corporation<BR>\r |
50a64e5b | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
de22b698 | 9 | \r |
50a64e5b | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
de22b698 | 12 | \r |
13 | **/\r | |
14 | \r | |
15 | #ifndef __IO_LIB_H__\r | |
16 | #define __IO_LIB_H__\r | |
17 | \r | |
5ac79a78 | 18 | /**\r |
19 | Macro that converts PCI Segment and I/O Port to an address that can be\r | |
20 | passed to the I/O Library functions.\r | |
21 | \r | |
22 | Computes an address that is compatible with the I/O Library functions. \r | |
23 | The unused upper bits of Segment, and Port are stripped prior to the \r | |
24 | generation of the address.\r | |
25 | \r | |
26 | @param Segment PCI Segment number. Range 0..65535.\r | |
27 | @param Port I/O Port number. Range 0..65535.\r | |
28 | \r | |
29 | @return An address that the I/o Library functions need.\r | |
30 | \r | |
31 | **/\r | |
32 | \r | |
de22b698 | 33 | #define IO_LIB_ADDRESS(Segment,Port) \\r |
34 | ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) )\r | |
35 | \r | |
36 | /**\r | |
37 | Reads an 8-bit I/O port.\r | |
38 | \r | |
39 | Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.\r | |
40 | This function must guarantee that all I/O read and write operations are\r | |
41 | serialized.\r | |
42 | \r | |
43 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
44 | \r | |
45 | @param Port The I/O port to read.\r | |
46 | \r | |
47 | @return The value read.\r | |
48 | \r | |
49 | **/\r | |
50 | UINT8\r | |
51 | EFIAPI\r | |
52 | IoRead8 (\r | |
53 | IN UINTN Port\r | |
54 | );\r | |
55 | \r | |
56 | /**\r | |
57 | Writes an 8-bit I/O port.\r | |
58 | \r | |
59 | Writes the 8-bit I/O port specified by Port with the value specified by Value\r | |
60 | and returns Value. This function must guarantee that all I/O read and write\r | |
61 | operations are serialized.\r | |
62 | \r | |
63 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
64 | \r | |
65 | @param Port The I/O port to write.\r | |
66 | @param Value The value to write to the I/O port.\r | |
67 | \r | |
68 | @return The value written the I/O port.\r | |
69 | \r | |
70 | **/\r | |
71 | UINT8\r | |
72 | EFIAPI\r | |
73 | IoWrite8 (\r | |
74 | IN UINTN Port,\r | |
75 | IN UINT8 Value\r | |
76 | );\r | |
77 | \r | |
78 | /**\r | |
62991af2 | 79 | Reads an 8-bit I/O port, performs a bitwise OR, and writes the\r |
de22b698 | 80 | result back to the 8-bit I/O port.\r |
81 | \r | |
62991af2 | 82 | Reads the 8-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 83 | between the read result and the value specified by OrData, and writes the\r |
84 | result to the 8-bit I/O port specified by Port. The value written to the I/O\r | |
85 | port is returned. This function must guarantee that all I/O read and write\r | |
86 | operations are serialized.\r | |
87 | \r | |
88 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
89 | \r | |
90 | @param Port The I/O port to write.\r | |
91 | @param OrData The value to OR with the read value from the I/O port.\r | |
92 | \r | |
93 | @return The value written back to the I/O port.\r | |
94 | \r | |
95 | **/\r | |
96 | UINT8\r | |
97 | EFIAPI\r | |
98 | IoOr8 (\r | |
99 | IN UINTN Port,\r | |
100 | IN UINT8 OrData\r | |
101 | );\r | |
102 | \r | |
103 | /**\r | |
104 | Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back\r | |
105 | to the 8-bit I/O port.\r | |
106 | \r | |
107 | Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r | |
108 | the read result and the value specified by AndData, and writes the result to\r | |
109 | the 8-bit I/O port specified by Port. The value written to the I/O port is\r | |
110 | returned. This function must guarantee that all I/O read and write operations\r | |
111 | are serialized.\r | |
112 | \r | |
113 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
114 | \r | |
115 | @param Port The I/O port to write.\r | |
116 | @param AndData The value to AND with the read value from the I/O port.\r | |
117 | \r | |
118 | @return The value written back to the I/O port.\r | |
119 | \r | |
120 | **/\r | |
121 | UINT8\r | |
122 | EFIAPI\r | |
123 | IoAnd8 (\r | |
124 | IN UINTN Port,\r | |
125 | IN UINT8 AndData\r | |
126 | );\r | |
127 | \r | |
128 | /**\r | |
62991af2 | 129 | Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise \r |
130 | OR, and writes the result back to the 8-bit I/O port.\r | |
de22b698 | 131 | \r |
132 | Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r | |
133 | the read result and the value specified by AndData, performs a bitwise OR\r | |
134 | between the result of the AND operation and the value specified by OrData,\r | |
135 | and writes the result to the 8-bit I/O port specified by Port. The value\r | |
136 | written to the I/O port is returned. This function must guarantee that all\r | |
137 | I/O read and write operations are serialized.\r | |
138 | \r | |
139 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
140 | \r | |
141 | @param Port The I/O port to write.\r | |
142 | @param AndData The value to AND with the read value from the I/O port.\r | |
143 | @param OrData The value to OR with the result of the AND operation.\r | |
144 | \r | |
145 | @return The value written back to the I/O port.\r | |
146 | \r | |
147 | **/\r | |
148 | UINT8\r | |
149 | EFIAPI\r | |
150 | IoAndThenOr8 (\r | |
151 | IN UINTN Port,\r | |
152 | IN UINT8 AndData,\r | |
153 | IN UINT8 OrData\r | |
154 | );\r | |
155 | \r | |
156 | /**\r | |
157 | Reads a bit field of an I/O register.\r | |
158 | \r | |
159 | Reads the bit field in an 8-bit I/O register. The bit field is specified by\r | |
160 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
161 | \r | |
162 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
163 | If StartBit is greater than 7, then ASSERT().\r | |
164 | If EndBit is greater than 7, then ASSERT().\r | |
165 | If EndBit is less than StartBit, then ASSERT().\r | |
166 | \r | |
167 | @param Port The I/O port to read.\r | |
168 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
169 | Range 0..7.\r | |
170 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
171 | Range 0..7.\r | |
172 | \r | |
173 | @return The value read.\r | |
174 | \r | |
175 | **/\r | |
176 | UINT8\r | |
177 | EFIAPI\r | |
178 | IoBitFieldRead8 (\r | |
179 | IN UINTN Port,\r | |
180 | IN UINTN StartBit,\r | |
181 | IN UINTN EndBit\r | |
182 | );\r | |
183 | \r | |
184 | /**\r | |
185 | Writes a bit field to an I/O register.\r | |
186 | \r | |
187 | Writes Value to the bit field of the I/O register. The bit field is specified\r | |
188 | by the StartBit and the EndBit. All other bits in the destination I/O\r | |
62991af2 | 189 | register are preserved. The value written to the I/O port is returned. \r |
de22b698 | 190 | \r |
191 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
192 | If StartBit is greater than 7, then ASSERT().\r | |
193 | If EndBit is greater than 7, then ASSERT().\r | |
194 | If EndBit is less than StartBit, then ASSERT().\r | |
195 | \r | |
196 | @param Port The I/O port to write.\r | |
197 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
198 | Range 0..7.\r | |
199 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
200 | Range 0..7.\r | |
201 | @param Value New value of the bit field.\r | |
202 | \r | |
203 | @return The value written back to the I/O port.\r | |
204 | \r | |
205 | **/\r | |
206 | UINT8\r | |
207 | EFIAPI\r | |
208 | IoBitFieldWrite8 (\r | |
209 | IN UINTN Port,\r | |
210 | IN UINTN StartBit,\r | |
211 | IN UINTN EndBit,\r | |
212 | IN UINT8 Value\r | |
213 | );\r | |
214 | \r | |
215 | /**\r | |
216 | Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the\r | |
217 | result back to the bit field in the 8-bit port.\r | |
218 | \r | |
62991af2 | 219 | Reads the 8-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 220 | between the read result and the value specified by OrData, and writes the\r |
221 | result to the 8-bit I/O port specified by Port. The value written to the I/O\r | |
222 | port is returned. This function must guarantee that all I/O read and write\r | |
223 | operations are serialized. Extra left bits in OrData are stripped.\r | |
224 | \r | |
225 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
226 | If StartBit is greater than 7, then ASSERT().\r | |
227 | If EndBit is greater than 7, then ASSERT().\r | |
228 | If EndBit is less than StartBit, then ASSERT().\r | |
229 | \r | |
230 | @param Port The I/O port to write.\r | |
231 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
232 | Range 0..7.\r | |
233 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
234 | Range 0..7.\r | |
235 | @param OrData The value to OR with the read value from the I/O port.\r | |
236 | \r | |
237 | @return The value written back to the I/O port.\r | |
238 | \r | |
239 | **/\r | |
240 | UINT8\r | |
241 | EFIAPI\r | |
242 | IoBitFieldOr8 (\r | |
243 | IN UINTN Port,\r | |
244 | IN UINTN StartBit,\r | |
245 | IN UINTN EndBit,\r | |
246 | IN UINT8 OrData\r | |
247 | );\r | |
248 | \r | |
249 | /**\r | |
250 | Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the\r | |
251 | result back to the bit field in the 8-bit port.\r | |
252 | \r | |
253 | Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r | |
254 | the read result and the value specified by AndData, and writes the result to\r | |
255 | the 8-bit I/O port specified by Port. The value written to the I/O port is\r | |
256 | returned. This function must guarantee that all I/O read and write operations\r | |
257 | are serialized. Extra left bits in AndData are stripped.\r | |
258 | \r | |
259 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
260 | If StartBit is greater than 7, then ASSERT().\r | |
261 | If EndBit is greater than 7, then ASSERT().\r | |
262 | If EndBit is less than StartBit, then ASSERT().\r | |
263 | \r | |
264 | @param Port The I/O port to write.\r | |
265 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
266 | Range 0..7.\r | |
267 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
268 | Range 0..7.\r | |
269 | @param AndData The value to AND with the read value from the I/O port.\r | |
270 | \r | |
271 | @return The value written back to the I/O port.\r | |
272 | \r | |
273 | **/\r | |
274 | UINT8\r | |
275 | EFIAPI\r | |
276 | IoBitFieldAnd8 (\r | |
277 | IN UINTN Port,\r | |
278 | IN UINTN StartBit,\r | |
279 | IN UINTN EndBit,\r | |
280 | IN UINT8 AndData\r | |
281 | );\r | |
282 | \r | |
283 | /**\r | |
284 | Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r | |
62991af2 | 285 | bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 286 | 8-bit port.\r |
287 | \r | |
288 | Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed\r | |
62991af2 | 289 | by a bitwise OR between the read result and the value specified by\r |
de22b698 | 290 | AndData, and writes the result to the 8-bit I/O port specified by Port. The\r |
291 | value written to the I/O port is returned. This function must guarantee that\r | |
292 | all I/O read and write operations are serialized. Extra left bits in both\r | |
293 | AndData and OrData are stripped.\r | |
294 | \r | |
295 | If 8-bit I/O port operations are not supported, then ASSERT().\r | |
296 | If StartBit is greater than 7, then ASSERT().\r | |
297 | If EndBit is greater than 7, then ASSERT().\r | |
298 | If EndBit is less than StartBit, then ASSERT().\r | |
299 | \r | |
300 | @param Port The I/O port to write.\r | |
301 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
302 | Range 0..7.\r | |
303 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
304 | Range 0..7.\r | |
305 | @param AndData The value to AND with the read value from the I/O port.\r | |
306 | @param OrData The value to OR with the result of the AND operation.\r | |
307 | \r | |
308 | @return The value written back to the I/O port.\r | |
309 | \r | |
310 | **/\r | |
311 | UINT8\r | |
312 | EFIAPI\r | |
313 | IoBitFieldAndThenOr8 (\r | |
314 | IN UINTN Port,\r | |
315 | IN UINTN StartBit,\r | |
316 | IN UINTN EndBit,\r | |
317 | IN UINT8 AndData,\r | |
318 | IN UINT8 OrData\r | |
319 | );\r | |
320 | \r | |
321 | /**\r | |
322 | Reads a 16-bit I/O port.\r | |
323 | \r | |
324 | Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.\r | |
325 | This function must guarantee that all I/O read and write operations are\r | |
326 | serialized.\r | |
327 | \r | |
328 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 329 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 330 | \r |
331 | @param Port The I/O port to read.\r | |
332 | \r | |
333 | @return The value read.\r | |
334 | \r | |
335 | **/\r | |
336 | UINT16\r | |
337 | EFIAPI\r | |
338 | IoRead16 (\r | |
339 | IN UINTN Port\r | |
340 | );\r | |
341 | \r | |
342 | /**\r | |
343 | Writes a 16-bit I/O port.\r | |
344 | \r | |
345 | Writes the 16-bit I/O port specified by Port with the value specified by Value\r | |
346 | and returns Value. This function must guarantee that all I/O read and write\r | |
347 | operations are serialized.\r | |
348 | \r | |
349 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 350 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
351 | \r | |
de22b698 | 352 | @param Port The I/O port to write.\r |
353 | @param Value The value to write to the I/O port.\r | |
354 | \r | |
355 | @return The value written the I/O port.\r | |
356 | \r | |
357 | **/\r | |
358 | UINT16\r | |
359 | EFIAPI\r | |
360 | IoWrite16 (\r | |
361 | IN UINTN Port,\r | |
362 | IN UINT16 Value\r | |
363 | );\r | |
364 | \r | |
365 | /**\r | |
62991af2 | 366 | Reads a 16-bit I/O port, performs a bitwise OR, and writes the\r |
de22b698 | 367 | result back to the 16-bit I/O port.\r |
368 | \r | |
62991af2 | 369 | Reads the 16-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 370 | between the read result and the value specified by OrData, and writes the\r |
371 | result to the 16-bit I/O port specified by Port. The value written to the I/O\r | |
372 | port is returned. This function must guarantee that all I/O read and write\r | |
373 | operations are serialized.\r | |
374 | \r | |
375 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 376 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 377 | \r |
378 | @param Port The I/O port to write.\r | |
379 | @param OrData The value to OR with the read value from the I/O port.\r | |
380 | \r | |
381 | @return The value written back to the I/O port.\r | |
382 | \r | |
383 | **/\r | |
384 | UINT16\r | |
385 | EFIAPI\r | |
386 | IoOr16 (\r | |
387 | IN UINTN Port,\r | |
388 | IN UINT16 OrData\r | |
389 | );\r | |
390 | \r | |
391 | /**\r | |
392 | Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back\r | |
393 | to the 16-bit I/O port.\r | |
394 | \r | |
395 | Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r | |
396 | the read result and the value specified by AndData, and writes the result to\r | |
397 | the 16-bit I/O port specified by Port. The value written to the I/O port is\r | |
398 | returned. This function must guarantee that all I/O read and write operations\r | |
399 | are serialized.\r | |
400 | \r | |
401 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 402 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
403 | \r | |
de22b698 | 404 | @param Port The I/O port to write.\r |
405 | @param AndData The value to AND with the read value from the I/O port.\r | |
406 | \r | |
407 | @return The value written back to the I/O port.\r | |
408 | \r | |
409 | **/\r | |
410 | UINT16\r | |
411 | EFIAPI\r | |
412 | IoAnd16 (\r | |
413 | IN UINTN Port,\r | |
414 | IN UINT16 AndData\r | |
415 | );\r | |
416 | \r | |
417 | /**\r | |
62991af2 | 418 | Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise \r |
419 | OR, and writes the result back to the 16-bit I/O port.\r | |
de22b698 | 420 | \r |
421 | Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r | |
422 | the read result and the value specified by AndData, performs a bitwise OR\r | |
423 | between the result of the AND operation and the value specified by OrData,\r | |
424 | and writes the result to the 16-bit I/O port specified by Port. The value\r | |
425 | written to the I/O port is returned. This function must guarantee that all\r | |
426 | I/O read and write operations are serialized.\r | |
427 | \r | |
428 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 429 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
430 | \r | |
de22b698 | 431 | @param Port The I/O port to write.\r |
432 | @param AndData The value to AND with the read value from the I/O port.\r | |
433 | @param OrData The value to OR with the result of the AND operation.\r | |
434 | \r | |
435 | @return The value written back to the I/O port.\r | |
436 | \r | |
437 | **/\r | |
438 | UINT16\r | |
439 | EFIAPI\r | |
440 | IoAndThenOr16 (\r | |
441 | IN UINTN Port,\r | |
442 | IN UINT16 AndData,\r | |
443 | IN UINT16 OrData\r | |
444 | );\r | |
445 | \r | |
446 | /**\r | |
447 | Reads a bit field of an I/O register.\r | |
448 | \r | |
449 | Reads the bit field in a 16-bit I/O register. The bit field is specified by\r | |
450 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
451 | \r | |
452 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 453 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 454 | If StartBit is greater than 15, then ASSERT().\r |
455 | If EndBit is greater than 15, then ASSERT().\r | |
456 | If EndBit is less than StartBit, then ASSERT().\r | |
457 | \r | |
458 | @param Port The I/O port to read.\r | |
459 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
460 | Range 0..15.\r | |
461 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
462 | Range 0..15.\r | |
463 | \r | |
464 | @return The value read.\r | |
465 | \r | |
466 | **/\r | |
467 | UINT16\r | |
468 | EFIAPI\r | |
469 | IoBitFieldRead16 (\r | |
470 | IN UINTN Port,\r | |
471 | IN UINTN StartBit,\r | |
472 | IN UINTN EndBit\r | |
473 | );\r | |
474 | \r | |
475 | /**\r | |
476 | Writes a bit field to an I/O register.\r | |
477 | \r | |
478 | Writes Value to the bit field of the I/O register. The bit field is specified\r | |
479 | by the StartBit and the EndBit. All other bits in the destination I/O\r | |
480 | register are preserved. The value written to the I/O port is returned. Extra\r | |
481 | left bits in Value are stripped.\r | |
482 | \r | |
483 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 484 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 485 | If StartBit is greater than 15, then ASSERT().\r |
486 | If EndBit is greater than 15, then ASSERT().\r | |
487 | If EndBit is less than StartBit, then ASSERT().\r | |
488 | \r | |
489 | @param Port The I/O port to write.\r | |
490 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
491 | Range 0..15.\r | |
492 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
493 | Range 0..15.\r | |
494 | @param Value New value of the bit field.\r | |
495 | \r | |
496 | @return The value written back to the I/O port.\r | |
497 | \r | |
498 | **/\r | |
499 | UINT16\r | |
500 | EFIAPI\r | |
501 | IoBitFieldWrite16 (\r | |
502 | IN UINTN Port,\r | |
503 | IN UINTN StartBit,\r | |
504 | IN UINTN EndBit,\r | |
505 | IN UINT16 Value\r | |
506 | );\r | |
507 | \r | |
508 | /**\r | |
509 | Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the\r | |
510 | result back to the bit field in the 16-bit port.\r | |
511 | \r | |
62991af2 | 512 | Reads the 16-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 513 | between the read result and the value specified by OrData, and writes the\r |
514 | result to the 16-bit I/O port specified by Port. The value written to the I/O\r | |
515 | port is returned. This function must guarantee that all I/O read and write\r | |
516 | operations are serialized. Extra left bits in OrData are stripped.\r | |
517 | \r | |
518 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 519 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 520 | If StartBit is greater than 15, then ASSERT().\r |
521 | If EndBit is greater than 15, then ASSERT().\r | |
522 | If EndBit is less than StartBit, then ASSERT().\r | |
523 | \r | |
524 | @param Port The I/O port to write.\r | |
525 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
526 | Range 0..15.\r | |
527 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
528 | Range 0..15.\r | |
529 | @param OrData The value to OR with the read value from the I/O port.\r | |
530 | \r | |
531 | @return The value written back to the I/O port.\r | |
532 | \r | |
533 | **/\r | |
534 | UINT16\r | |
535 | EFIAPI\r | |
536 | IoBitFieldOr16 (\r | |
537 | IN UINTN Port,\r | |
538 | IN UINTN StartBit,\r | |
539 | IN UINTN EndBit,\r | |
540 | IN UINT16 OrData\r | |
541 | );\r | |
542 | \r | |
543 | /**\r | |
544 | Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the\r | |
545 | result back to the bit field in the 16-bit port.\r | |
546 | \r | |
547 | Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r | |
548 | the read result and the value specified by AndData, and writes the result to\r | |
549 | the 16-bit I/O port specified by Port. The value written to the I/O port is\r | |
550 | returned. This function must guarantee that all I/O read and write operations\r | |
551 | are serialized. Extra left bits in AndData are stripped.\r | |
552 | \r | |
553 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 554 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 555 | If StartBit is greater than 15, then ASSERT().\r |
556 | If EndBit is greater than 15, then ASSERT().\r | |
557 | If EndBit is less than StartBit, then ASSERT().\r | |
558 | \r | |
559 | @param Port The I/O port to write.\r | |
560 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
561 | Range 0..15.\r | |
562 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
563 | Range 0..15.\r | |
564 | @param AndData The value to AND with the read value from the I/O port.\r | |
565 | \r | |
566 | @return The value written back to the I/O port.\r | |
567 | \r | |
568 | **/\r | |
569 | UINT16\r | |
570 | EFIAPI\r | |
571 | IoBitFieldAnd16 (\r | |
572 | IN UINTN Port,\r | |
573 | IN UINTN StartBit,\r | |
574 | IN UINTN EndBit,\r | |
575 | IN UINT16 AndData\r | |
576 | );\r | |
577 | \r | |
578 | /**\r | |
579 | Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r | |
62991af2 | 580 | bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 581 | 16-bit port.\r |
582 | \r | |
583 | Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed\r | |
62991af2 | 584 | by a bitwise OR between the read result and the value specified by\r |
de22b698 | 585 | AndData, and writes the result to the 16-bit I/O port specified by Port. The\r |
586 | value written to the I/O port is returned. This function must guarantee that\r | |
587 | all I/O read and write operations are serialized. Extra left bits in both\r | |
588 | AndData and OrData are stripped.\r | |
589 | \r | |
590 | If 16-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 591 | If Port is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 592 | If StartBit is greater than 15, then ASSERT().\r |
593 | If EndBit is greater than 15, then ASSERT().\r | |
594 | If EndBit is less than StartBit, then ASSERT().\r | |
595 | \r | |
596 | @param Port The I/O port to write.\r | |
597 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
598 | Range 0..15.\r | |
599 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
600 | Range 0..15.\r | |
601 | @param AndData The value to AND with the read value from the I/O port.\r | |
602 | @param OrData The value to OR with the result of the AND operation.\r | |
603 | \r | |
604 | @return The value written back to the I/O port.\r | |
605 | \r | |
606 | **/\r | |
607 | UINT16\r | |
608 | EFIAPI\r | |
609 | IoBitFieldAndThenOr16 (\r | |
610 | IN UINTN Port,\r | |
611 | IN UINTN StartBit,\r | |
612 | IN UINTN EndBit,\r | |
613 | IN UINT16 AndData,\r | |
614 | IN UINT16 OrData\r | |
615 | );\r | |
616 | \r | |
617 | /**\r | |
618 | Reads a 32-bit I/O port.\r | |
619 | \r | |
620 | Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.\r | |
621 | This function must guarantee that all I/O read and write operations are\r | |
622 | serialized.\r | |
623 | \r | |
624 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 625 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
626 | \r | |
de22b698 | 627 | @param Port The I/O port to read.\r |
628 | \r | |
629 | @return The value read.\r | |
630 | \r | |
631 | **/\r | |
632 | UINT32\r | |
633 | EFIAPI\r | |
634 | IoRead32 (\r | |
635 | IN UINTN Port\r | |
636 | );\r | |
637 | \r | |
638 | /**\r | |
639 | Writes a 32-bit I/O port.\r | |
640 | \r | |
641 | Writes the 32-bit I/O port specified by Port with the value specified by Value\r | |
642 | and returns Value. This function must guarantee that all I/O read and write\r | |
643 | operations are serialized.\r | |
644 | \r | |
645 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 646 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
647 | \r | |
de22b698 | 648 | @param Port The I/O port to write.\r |
649 | @param Value The value to write to the I/O port.\r | |
650 | \r | |
651 | @return The value written the I/O port.\r | |
652 | \r | |
653 | **/\r | |
654 | UINT32\r | |
655 | EFIAPI\r | |
656 | IoWrite32 (\r | |
657 | IN UINTN Port,\r | |
658 | IN UINT32 Value\r | |
659 | );\r | |
660 | \r | |
661 | /**\r | |
62991af2 | 662 | Reads a 32-bit I/O port, performs a bitwise OR, and writes the\r |
de22b698 | 663 | result back to the 32-bit I/O port.\r |
664 | \r | |
62991af2 | 665 | Reads the 32-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 666 | between the read result and the value specified by OrData, and writes the\r |
667 | result to the 32-bit I/O port specified by Port. The value written to the I/O\r | |
668 | port is returned. This function must guarantee that all I/O read and write\r | |
669 | operations are serialized.\r | |
670 | \r | |
671 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 672 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 673 | \r |
674 | @param Port The I/O port to write.\r | |
675 | @param OrData The value to OR with the read value from the I/O port.\r | |
676 | \r | |
677 | @return The value written back to the I/O port.\r | |
678 | \r | |
679 | **/\r | |
680 | UINT32\r | |
681 | EFIAPI\r | |
682 | IoOr32 (\r | |
683 | IN UINTN Port,\r | |
684 | IN UINT32 OrData\r | |
685 | );\r | |
686 | \r | |
687 | /**\r | |
688 | Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back\r | |
689 | to the 32-bit I/O port.\r | |
690 | \r | |
691 | Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r | |
692 | the read result and the value specified by AndData, and writes the result to\r | |
693 | the 32-bit I/O port specified by Port. The value written to the I/O port is\r | |
694 | returned. This function must guarantee that all I/O read and write operations\r | |
695 | are serialized.\r | |
696 | \r | |
697 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 698 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 699 | \r |
700 | @param Port The I/O port to write.\r | |
701 | @param AndData The value to AND with the read value from the I/O port.\r | |
702 | \r | |
703 | @return The value written back to the I/O port.\r | |
704 | \r | |
705 | **/\r | |
706 | UINT32\r | |
707 | EFIAPI\r | |
708 | IoAnd32 (\r | |
709 | IN UINTN Port,\r | |
710 | IN UINT32 AndData\r | |
711 | );\r | |
712 | \r | |
713 | /**\r | |
62991af2 | 714 | Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise \r |
715 | OR, and writes the result back to the 32-bit I/O port.\r | |
de22b698 | 716 | \r |
717 | Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r | |
718 | the read result and the value specified by AndData, performs a bitwise OR\r | |
719 | between the result of the AND operation and the value specified by OrData,\r | |
720 | and writes the result to the 32-bit I/O port specified by Port. The value\r | |
721 | written to the I/O port is returned. This function must guarantee that all\r | |
722 | I/O read and write operations are serialized.\r | |
723 | \r | |
724 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 725 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 726 | \r |
727 | @param Port The I/O port to write.\r | |
728 | @param AndData The value to AND with the read value from the I/O port.\r | |
729 | @param OrData The value to OR with the result of the AND operation.\r | |
730 | \r | |
731 | @return The value written back to the I/O port.\r | |
732 | \r | |
733 | **/\r | |
734 | UINT32\r | |
735 | EFIAPI\r | |
736 | IoAndThenOr32 (\r | |
737 | IN UINTN Port,\r | |
738 | IN UINT32 AndData,\r | |
739 | IN UINT32 OrData\r | |
740 | );\r | |
741 | \r | |
742 | /**\r | |
743 | Reads a bit field of an I/O register.\r | |
744 | \r | |
745 | Reads the bit field in a 32-bit I/O register. The bit field is specified by\r | |
746 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
747 | \r | |
748 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 749 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 750 | If StartBit is greater than 31, then ASSERT().\r |
751 | If EndBit is greater than 31, then ASSERT().\r | |
752 | If EndBit is less than StartBit, then ASSERT().\r | |
753 | \r | |
754 | @param Port The I/O port to read.\r | |
755 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
756 | Range 0..31.\r | |
757 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
758 | Range 0..31.\r | |
759 | \r | |
760 | @return The value read.\r | |
761 | \r | |
762 | **/\r | |
763 | UINT32\r | |
764 | EFIAPI\r | |
765 | IoBitFieldRead32 (\r | |
766 | IN UINTN Port,\r | |
767 | IN UINTN StartBit,\r | |
768 | IN UINTN EndBit\r | |
769 | );\r | |
770 | \r | |
771 | /**\r | |
772 | Writes a bit field to an I/O register.\r | |
773 | \r | |
774 | Writes Value to the bit field of the I/O register. The bit field is specified\r | |
775 | by the StartBit and the EndBit. All other bits in the destination I/O\r | |
776 | register are preserved. The value written to the I/O port is returned. Extra\r | |
777 | left bits in Value are stripped.\r | |
778 | \r | |
779 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 780 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 781 | If StartBit is greater than 31, then ASSERT().\r |
782 | If EndBit is greater than 31, then ASSERT().\r | |
783 | If EndBit is less than StartBit, then ASSERT().\r | |
784 | \r | |
785 | @param Port The I/O port to write.\r | |
786 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
787 | Range 0..31.\r | |
788 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
789 | Range 0..31.\r | |
790 | @param Value New value of the bit field.\r | |
791 | \r | |
792 | @return The value written back to the I/O port.\r | |
793 | \r | |
794 | **/\r | |
795 | UINT32\r | |
796 | EFIAPI\r | |
797 | IoBitFieldWrite32 (\r | |
798 | IN UINTN Port,\r | |
799 | IN UINTN StartBit,\r | |
800 | IN UINTN EndBit,\r | |
801 | IN UINT32 Value\r | |
802 | );\r | |
803 | \r | |
804 | /**\r | |
805 | Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the\r | |
806 | result back to the bit field in the 32-bit port.\r | |
807 | \r | |
62991af2 | 808 | Reads the 32-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 809 | between the read result and the value specified by OrData, and writes the\r |
810 | result to the 32-bit I/O port specified by Port. The value written to the I/O\r | |
811 | port is returned. This function must guarantee that all I/O read and write\r | |
812 | operations are serialized. Extra left bits in OrData are stripped.\r | |
813 | \r | |
814 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 815 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 816 | If StartBit is greater than 31, then ASSERT().\r |
817 | If EndBit is greater than 31, then ASSERT().\r | |
818 | If EndBit is less than StartBit, then ASSERT().\r | |
819 | \r | |
820 | @param Port The I/O port to write.\r | |
821 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
822 | Range 0..31.\r | |
823 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
824 | Range 0..31.\r | |
825 | @param OrData The value to OR with the read value from the I/O port.\r | |
826 | \r | |
827 | @return The value written back to the I/O port.\r | |
828 | \r | |
829 | **/\r | |
830 | UINT32\r | |
831 | EFIAPI\r | |
832 | IoBitFieldOr32 (\r | |
833 | IN UINTN Port,\r | |
834 | IN UINTN StartBit,\r | |
835 | IN UINTN EndBit,\r | |
836 | IN UINT32 OrData\r | |
837 | );\r | |
838 | \r | |
839 | /**\r | |
840 | Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the\r | |
841 | result back to the bit field in the 32-bit port.\r | |
842 | \r | |
843 | Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r | |
844 | the read result and the value specified by AndData, and writes the result to\r | |
845 | the 32-bit I/O port specified by Port. The value written to the I/O port is\r | |
846 | returned. This function must guarantee that all I/O read and write operations\r | |
847 | are serialized. Extra left bits in AndData are stripped.\r | |
848 | \r | |
849 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 850 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 851 | If StartBit is greater than 31, then ASSERT().\r |
852 | If EndBit is greater than 31, then ASSERT().\r | |
853 | If EndBit is less than StartBit, then ASSERT().\r | |
854 | \r | |
855 | @param Port The I/O port to write.\r | |
856 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
857 | Range 0..31.\r | |
858 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
859 | Range 0..31.\r | |
860 | @param AndData The value to AND with the read value from the I/O port.\r | |
861 | \r | |
862 | @return The value written back to the I/O port.\r | |
863 | \r | |
864 | **/\r | |
865 | UINT32\r | |
866 | EFIAPI\r | |
867 | IoBitFieldAnd32 (\r | |
868 | IN UINTN Port,\r | |
869 | IN UINTN StartBit,\r | |
870 | IN UINTN EndBit,\r | |
871 | IN UINT32 AndData\r | |
872 | );\r | |
873 | \r | |
874 | /**\r | |
875 | Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r | |
62991af2 | 876 | bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 877 | 32-bit port.\r |
878 | \r | |
879 | Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed\r | |
62991af2 | 880 | by a bitwise OR between the read result and the value specified by\r |
de22b698 | 881 | AndData, and writes the result to the 32-bit I/O port specified by Port. The\r |
882 | value written to the I/O port is returned. This function must guarantee that\r | |
883 | all I/O read and write operations are serialized. Extra left bits in both\r | |
884 | AndData and OrData are stripped.\r | |
885 | \r | |
886 | If 32-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 887 | If Port is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 888 | If StartBit is greater than 31, then ASSERT().\r |
889 | If EndBit is greater than 31, then ASSERT().\r | |
890 | If EndBit is less than StartBit, then ASSERT().\r | |
891 | \r | |
892 | @param Port The I/O port to write.\r | |
893 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
894 | Range 0..31.\r | |
895 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
896 | Range 0..31.\r | |
897 | @param AndData The value to AND with the read value from the I/O port.\r | |
898 | @param OrData The value to OR with the result of the AND operation.\r | |
899 | \r | |
900 | @return The value written back to the I/O port.\r | |
901 | \r | |
902 | **/\r | |
903 | UINT32\r | |
904 | EFIAPI\r | |
905 | IoBitFieldAndThenOr32 (\r | |
906 | IN UINTN Port,\r | |
907 | IN UINTN StartBit,\r | |
908 | IN UINTN EndBit,\r | |
909 | IN UINT32 AndData,\r | |
910 | IN UINT32 OrData\r | |
911 | );\r | |
912 | \r | |
913 | /**\r | |
914 | Reads a 64-bit I/O port.\r | |
915 | \r | |
916 | Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.\r | |
917 | This function must guarantee that all I/O read and write operations are\r | |
918 | serialized.\r | |
919 | \r | |
920 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 921 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 922 | \r |
923 | @param Port The I/O port to read.\r | |
924 | \r | |
925 | @return The value read.\r | |
926 | \r | |
927 | **/\r | |
928 | UINT64\r | |
929 | EFIAPI\r | |
930 | IoRead64 (\r | |
931 | IN UINTN Port\r | |
932 | );\r | |
933 | \r | |
934 | /**\r | |
935 | Writes a 64-bit I/O port.\r | |
936 | \r | |
937 | Writes the 64-bit I/O port specified by Port with the value specified by Value\r | |
938 | and returns Value. This function must guarantee that all I/O read and write\r | |
939 | operations are serialized.\r | |
940 | \r | |
941 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 942 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 943 | \r |
944 | @param Port The I/O port to write.\r | |
945 | @param Value The value to write to the I/O port.\r | |
946 | \r | |
947 | @return The value written the I/O port.\r | |
948 | \r | |
949 | **/\r | |
950 | UINT64\r | |
951 | EFIAPI\r | |
952 | IoWrite64 (\r | |
953 | IN UINTN Port,\r | |
954 | IN UINT64 Value\r | |
955 | );\r | |
956 | \r | |
957 | /**\r | |
62991af2 | 958 | Reads a 64-bit I/O port, performs a bitwise OR, and writes the\r |
de22b698 | 959 | result back to the 64-bit I/O port.\r |
960 | \r | |
62991af2 | 961 | Reads the 64-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 962 | between the read result and the value specified by OrData, and writes the\r |
963 | result to the 64-bit I/O port specified by Port. The value written to the I/O\r | |
964 | port is returned. This function must guarantee that all I/O read and write\r | |
965 | operations are serialized.\r | |
966 | \r | |
967 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 968 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 969 | \r |
970 | @param Port The I/O port to write.\r | |
971 | @param OrData The value to OR with the read value from the I/O port.\r | |
972 | \r | |
973 | @return The value written back to the I/O port.\r | |
974 | \r | |
975 | **/\r | |
976 | UINT64\r | |
977 | EFIAPI\r | |
978 | IoOr64 (\r | |
979 | IN UINTN Port,\r | |
980 | IN UINT64 OrData\r | |
981 | );\r | |
982 | \r | |
983 | /**\r | |
984 | Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back\r | |
985 | to the 64-bit I/O port.\r | |
986 | \r | |
987 | Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r | |
988 | the read result and the value specified by AndData, and writes the result to\r | |
989 | the 64-bit I/O port specified by Port. The value written to the I/O port is\r | |
990 | returned. This function must guarantee that all I/O read and write operations\r | |
991 | are serialized.\r | |
992 | \r | |
993 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 994 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 995 | \r |
996 | @param Port The I/O port to write.\r | |
997 | @param AndData The value to AND with the read value from the I/O port.\r | |
998 | \r | |
999 | @return The value written back to the I/O port.\r | |
1000 | \r | |
1001 | **/\r | |
1002 | UINT64\r | |
1003 | EFIAPI\r | |
1004 | IoAnd64 (\r | |
1005 | IN UINTN Port,\r | |
1006 | IN UINT64 AndData\r | |
1007 | );\r | |
1008 | \r | |
1009 | /**\r | |
62991af2 | 1010 | Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise \r |
1011 | OR, and writes the result back to the 64-bit I/O port.\r | |
de22b698 | 1012 | \r |
1013 | Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r | |
1014 | the read result and the value specified by AndData, performs a bitwise OR\r | |
1015 | between the result of the AND operation and the value specified by OrData,\r | |
1016 | and writes the result to the 64-bit I/O port specified by Port. The value\r | |
1017 | written to the I/O port is returned. This function must guarantee that all\r | |
1018 | I/O read and write operations are serialized.\r | |
1019 | \r | |
1020 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1021 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1022 | \r |
1023 | @param Port The I/O port to write.\r | |
1024 | @param AndData The value to AND with the read value from the I/O port.\r | |
1025 | @param OrData The value to OR with the result of the AND operation.\r | |
1026 | \r | |
1027 | @return The value written back to the I/O port.\r | |
1028 | \r | |
1029 | **/\r | |
1030 | UINT64\r | |
1031 | EFIAPI\r | |
1032 | IoAndThenOr64 (\r | |
1033 | IN UINTN Port,\r | |
1034 | IN UINT64 AndData,\r | |
1035 | IN UINT64 OrData\r | |
1036 | );\r | |
1037 | \r | |
1038 | /**\r | |
1039 | Reads a bit field of an I/O register.\r | |
1040 | \r | |
1041 | Reads the bit field in a 64-bit I/O register. The bit field is specified by\r | |
1042 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
1043 | \r | |
1044 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1045 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1046 | If StartBit is greater than 63, then ASSERT().\r |
1047 | If EndBit is greater than 63, then ASSERT().\r | |
1048 | If EndBit is less than StartBit, then ASSERT().\r | |
1049 | \r | |
1050 | @param Port The I/O port to read.\r | |
1051 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1052 | Range 0..63.\r | |
1053 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1054 | Range 0..63.\r | |
1055 | \r | |
1056 | @return The value read.\r | |
1057 | \r | |
1058 | **/\r | |
1059 | UINT64\r | |
1060 | EFIAPI\r | |
1061 | IoBitFieldRead64 (\r | |
1062 | IN UINTN Port,\r | |
1063 | IN UINTN StartBit,\r | |
1064 | IN UINTN EndBit\r | |
1065 | );\r | |
1066 | \r | |
1067 | /**\r | |
1068 | Writes a bit field to an I/O register.\r | |
1069 | \r | |
1070 | Writes Value to the bit field of the I/O register. The bit field is specified\r | |
1071 | by the StartBit and the EndBit. All other bits in the destination I/O\r | |
1072 | register are preserved. The value written to the I/O port is returned. Extra\r | |
1073 | left bits in Value are stripped.\r | |
1074 | \r | |
1075 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1076 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1077 | If StartBit is greater than 63, then ASSERT().\r |
1078 | If EndBit is greater than 63, then ASSERT().\r | |
1079 | If EndBit is less than StartBit, then ASSERT().\r | |
1080 | \r | |
1081 | @param Port The I/O port to write.\r | |
1082 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1083 | Range 0..63.\r | |
1084 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1085 | Range 0..63.\r | |
1086 | @param Value New value of the bit field.\r | |
1087 | \r | |
1088 | @return The value written back to the I/O port.\r | |
1089 | \r | |
1090 | **/\r | |
1091 | UINT64\r | |
1092 | EFIAPI\r | |
1093 | IoBitFieldWrite64 (\r | |
1094 | IN UINTN Port,\r | |
1095 | IN UINTN StartBit,\r | |
1096 | IN UINTN EndBit,\r | |
1097 | IN UINT64 Value\r | |
1098 | );\r | |
1099 | \r | |
1100 | /**\r | |
1101 | Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the\r | |
1102 | result back to the bit field in the 64-bit port.\r | |
1103 | \r | |
62991af2 | 1104 | Reads the 64-bit I/O port specified by Port, performs a bitwise OR\r |
de22b698 | 1105 | between the read result and the value specified by OrData, and writes the\r |
1106 | result to the 64-bit I/O port specified by Port. The value written to the I/O\r | |
1107 | port is returned. This function must guarantee that all I/O read and write\r | |
1108 | operations are serialized. Extra left bits in OrData are stripped.\r | |
1109 | \r | |
1110 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1111 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1112 | If StartBit is greater than 63, then ASSERT().\r |
1113 | If EndBit is greater than 63, then ASSERT().\r | |
1114 | If EndBit is less than StartBit, then ASSERT().\r | |
1115 | \r | |
1116 | @param Port The I/O port to write.\r | |
1117 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1118 | Range 0..63.\r | |
1119 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1120 | Range 0..63.\r | |
1121 | @param OrData The value to OR with the read value from the I/O port.\r | |
1122 | \r | |
1123 | @return The value written back to the I/O port.\r | |
1124 | \r | |
1125 | **/\r | |
1126 | UINT64\r | |
1127 | EFIAPI\r | |
1128 | IoBitFieldOr64 (\r | |
1129 | IN UINTN Port,\r | |
1130 | IN UINTN StartBit,\r | |
1131 | IN UINTN EndBit,\r | |
1132 | IN UINT64 OrData\r | |
1133 | );\r | |
1134 | \r | |
1135 | /**\r | |
1136 | Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the\r | |
1137 | result back to the bit field in the 64-bit port.\r | |
1138 | \r | |
1139 | Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r | |
1140 | the read result and the value specified by AndData, and writes the result to\r | |
1141 | the 64-bit I/O port specified by Port. The value written to the I/O port is\r | |
1142 | returned. This function must guarantee that all I/O read and write operations\r | |
1143 | are serialized. Extra left bits in AndData are stripped.\r | |
1144 | \r | |
1145 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1146 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1147 | If StartBit is greater than 63, then ASSERT().\r |
1148 | If EndBit is greater than 63, then ASSERT().\r | |
1149 | If EndBit is less than StartBit, then ASSERT().\r | |
1150 | \r | |
1151 | @param Port The I/O port to write.\r | |
1152 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1153 | Range 0..63.\r | |
1154 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1155 | Range 0..63.\r | |
1156 | @param AndData The value to AND with the read value from the I/O port.\r | |
1157 | \r | |
1158 | @return The value written back to the I/O port.\r | |
1159 | \r | |
1160 | **/\r | |
1161 | UINT64\r | |
1162 | EFIAPI\r | |
1163 | IoBitFieldAnd64 (\r | |
1164 | IN UINTN Port,\r | |
1165 | IN UINTN StartBit,\r | |
1166 | IN UINTN EndBit,\r | |
1167 | IN UINT64 AndData\r | |
1168 | );\r | |
1169 | \r | |
1170 | /**\r | |
1171 | Reads a bit field in a 64-bit port, performs a bitwise AND followed by a\r | |
62991af2 | 1172 | bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 1173 | 64-bit port.\r |
1174 | \r | |
1175 | Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed\r | |
62991af2 | 1176 | by a bitwise OR between the read result and the value specified by\r |
de22b698 | 1177 | AndData, and writes the result to the 64-bit I/O port specified by Port. The\r |
1178 | value written to the I/O port is returned. This function must guarantee that\r | |
1179 | all I/O read and write operations are serialized. Extra left bits in both\r | |
1180 | AndData and OrData are stripped.\r | |
1181 | \r | |
1182 | If 64-bit I/O port operations are not supported, then ASSERT().\r | |
5ac79a78 | 1183 | If Port is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 1184 | If StartBit is greater than 63, then ASSERT().\r |
1185 | If EndBit is greater than 63, then ASSERT().\r | |
1186 | If EndBit is less than StartBit, then ASSERT().\r | |
1187 | \r | |
1188 | @param Port The I/O port to write.\r | |
1189 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1190 | Range 0..63.\r | |
1191 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1192 | Range 0..63.\r | |
1193 | @param AndData The value to AND with the read value from the I/O port.\r | |
1194 | @param OrData The value to OR with the result of the AND operation.\r | |
1195 | \r | |
1196 | @return The value written back to the I/O port.\r | |
1197 | \r | |
1198 | **/\r | |
1199 | UINT64\r | |
1200 | EFIAPI\r | |
1201 | IoBitFieldAndThenOr64 (\r | |
1202 | IN UINTN Port,\r | |
1203 | IN UINTN StartBit,\r | |
1204 | IN UINTN EndBit,\r | |
1205 | IN UINT64 AndData,\r | |
1206 | IN UINT64 OrData\r | |
1207 | );\r | |
1208 | \r | |
1209 | /**\r | |
1210 | Reads an 8-bit MMIO register.\r | |
1211 | \r | |
1212 | Reads the 8-bit MMIO register specified by Address. The 8-bit read value is\r | |
1213 | returned. This function must guarantee that all MMIO read and write\r | |
1214 | operations are serialized.\r | |
1215 | \r | |
1216 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1217 | \r | |
1218 | @param Address The MMIO register to read.\r | |
1219 | \r | |
1220 | @return The value read.\r | |
1221 | \r | |
1222 | **/\r | |
1223 | UINT8\r | |
1224 | EFIAPI\r | |
1225 | MmioRead8 (\r | |
1226 | IN UINTN Address\r | |
1227 | );\r | |
1228 | \r | |
1229 | /**\r | |
1230 | Writes an 8-bit MMIO register.\r | |
1231 | \r | |
1232 | Writes the 8-bit MMIO register specified by Address with the value specified\r | |
1233 | by Value and returns Value. This function must guarantee that all MMIO read\r | |
1234 | and write operations are serialized.\r | |
1235 | \r | |
1236 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1237 | \r | |
1238 | @param Address The MMIO register to write.\r | |
1239 | @param Value The value to write to the MMIO register.\r | |
1240 | \r | |
1241 | **/\r | |
1242 | UINT8\r | |
1243 | EFIAPI\r | |
1244 | MmioWrite8 (\r | |
1245 | IN UINTN Address,\r | |
1246 | IN UINT8 Value\r | |
1247 | );\r | |
1248 | \r | |
1249 | /**\r | |
62991af2 | 1250 | Reads an 8-bit MMIO register, performs a bitwise OR, and writes the\r |
de22b698 | 1251 | result back to the 8-bit MMIO register.\r |
1252 | \r | |
62991af2 | 1253 | Reads the 8-bit MMIO register specified by Address, performs a bitwise \r |
1254 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1255 | writes the result to the 8-bit MMIO register specified by Address. The value\r |
1256 | written to the MMIO register is returned. This function must guarantee that\r | |
1257 | all MMIO read and write operations are serialized.\r | |
1258 | \r | |
1259 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1260 | \r | |
1261 | @param Address The MMIO register to write.\r | |
1262 | @param OrData The value to OR with the read value from the MMIO register.\r | |
1263 | \r | |
1264 | @return The value written back to the MMIO register.\r | |
1265 | \r | |
1266 | **/\r | |
1267 | UINT8\r | |
1268 | EFIAPI\r | |
1269 | MmioOr8 (\r | |
1270 | IN UINTN Address,\r | |
1271 | IN UINT8 OrData\r | |
1272 | );\r | |
1273 | \r | |
1274 | /**\r | |
1275 | Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result\r | |
1276 | back to the 8-bit MMIO register.\r | |
1277 | \r | |
1278 | Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r | |
1279 | between the read result and the value specified by AndData, and writes the\r | |
1280 | result to the 8-bit MMIO register specified by Address. The value written to\r | |
1281 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
1282 | read and write operations are serialized.\r | |
1283 | \r | |
1284 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1285 | \r | |
1286 | @param Address The MMIO register to write.\r | |
1287 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1288 | \r | |
1289 | @return The value written back to the MMIO register.\r | |
1290 | \r | |
1291 | **/\r | |
1292 | UINT8\r | |
1293 | EFIAPI\r | |
1294 | MmioAnd8 (\r | |
1295 | IN UINTN Address,\r | |
1296 | IN UINT8 AndData\r | |
1297 | );\r | |
1298 | \r | |
1299 | /**\r | |
62991af2 | 1300 | Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise \r |
1301 | OR, and writes the result back to the 8-bit MMIO register.\r | |
de22b698 | 1302 | \r |
1303 | Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r | |
1304 | between the read result and the value specified by AndData, performs a\r | |
1305 | bitwise OR between the result of the AND operation and the value specified by\r | |
1306 | OrData, and writes the result to the 8-bit MMIO register specified by\r | |
1307 | Address. The value written to the MMIO register is returned. This function\r | |
1308 | must guarantee that all MMIO read and write operations are serialized.\r | |
1309 | \r | |
1310 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1311 | \r | |
1312 | \r | |
1313 | @param Address The MMIO register to write.\r | |
1314 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1315 | @param OrData The value to OR with the result of the AND operation.\r | |
1316 | \r | |
1317 | @return The value written back to the MMIO register.\r | |
1318 | \r | |
1319 | **/\r | |
1320 | UINT8\r | |
1321 | EFIAPI\r | |
1322 | MmioAndThenOr8 (\r | |
1323 | IN UINTN Address,\r | |
1324 | IN UINT8 AndData,\r | |
1325 | IN UINT8 OrData\r | |
1326 | );\r | |
1327 | \r | |
1328 | /**\r | |
1329 | Reads a bit field of a MMIO register.\r | |
1330 | \r | |
1331 | Reads the bit field in an 8-bit MMIO register. The bit field is specified by\r | |
1332 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
1333 | \r | |
1334 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1335 | If StartBit is greater than 7, then ASSERT().\r | |
1336 | If EndBit is greater than 7, then ASSERT().\r | |
1337 | If EndBit is less than StartBit, then ASSERT().\r | |
1338 | \r | |
1339 | @param Address MMIO register to read.\r | |
1340 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1341 | Range 0..7.\r | |
1342 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1343 | Range 0..7.\r | |
1344 | \r | |
1345 | @return The value read.\r | |
1346 | \r | |
1347 | **/\r | |
1348 | UINT8\r | |
1349 | EFIAPI\r | |
1350 | MmioBitFieldRead8 (\r | |
1351 | IN UINTN Address,\r | |
1352 | IN UINTN StartBit,\r | |
1353 | IN UINTN EndBit\r | |
1354 | );\r | |
1355 | \r | |
1356 | /**\r | |
1357 | Writes a bit field to a MMIO register.\r | |
1358 | \r | |
1359 | Writes Value to the bit field of the MMIO register. The bit field is\r | |
1360 | specified by the StartBit and the EndBit. All other bits in the destination\r | |
1361 | MMIO register are preserved. The new value of the 8-bit register is returned.\r | |
1362 | \r | |
1363 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1364 | If StartBit is greater than 7, then ASSERT().\r | |
1365 | If EndBit is greater than 7, then ASSERT().\r | |
1366 | If EndBit is less than StartBit, then ASSERT().\r | |
1367 | \r | |
1368 | @param Address MMIO register to write.\r | |
1369 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1370 | Range 0..7.\r | |
1371 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1372 | Range 0..7.\r | |
1373 | @param Value New value of the bit field.\r | |
1374 | \r | |
1375 | @return The value written back to the MMIO register.\r | |
1376 | \r | |
1377 | **/\r | |
1378 | UINT8\r | |
1379 | EFIAPI\r | |
1380 | MmioBitFieldWrite8 (\r | |
1381 | IN UINTN Address,\r | |
1382 | IN UINTN StartBit,\r | |
1383 | IN UINTN EndBit,\r | |
1384 | IN UINT8 Value\r | |
1385 | );\r | |
1386 | \r | |
1387 | /**\r | |
1388 | Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and\r | |
1389 | writes the result back to the bit field in the 8-bit MMIO register.\r | |
1390 | \r | |
62991af2 | 1391 | Reads the 8-bit MMIO register specified by Address, performs a bitwise \r |
1392 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1393 | writes the result to the 8-bit MMIO register specified by Address. The value\r |
1394 | written to the MMIO register is returned. This function must guarantee that\r | |
1395 | all MMIO read and write operations are serialized. Extra left bits in OrData\r | |
1396 | are stripped.\r | |
1397 | \r | |
1398 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1399 | If StartBit is greater than 7, then ASSERT().\r | |
1400 | If EndBit is greater than 7, then ASSERT().\r | |
1401 | If EndBit is less than StartBit, then ASSERT().\r | |
1402 | \r | |
1403 | @param Address MMIO register to write.\r | |
1404 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1405 | Range 0..7.\r | |
1406 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1407 | Range 0..7.\r | |
1408 | @param OrData The value to OR with read value from the MMIO register.\r | |
1409 | \r | |
1410 | @return The value written back to the MMIO register.\r | |
1411 | \r | |
1412 | **/\r | |
1413 | UINT8\r | |
1414 | EFIAPI\r | |
1415 | MmioBitFieldOr8 (\r | |
1416 | IN UINTN Address,\r | |
1417 | IN UINTN StartBit,\r | |
1418 | IN UINTN EndBit,\r | |
1419 | IN UINT8 OrData\r | |
1420 | );\r | |
1421 | \r | |
1422 | /**\r | |
1423 | Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and\r | |
1424 | writes the result back to the bit field in the 8-bit MMIO register.\r | |
1425 | \r | |
1426 | Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r | |
1427 | between the read result and the value specified by AndData, and writes the\r | |
1428 | result to the 8-bit MMIO register specified by Address. The value written to\r | |
1429 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
1430 | read and write operations are serialized. Extra left bits in AndData are\r | |
1431 | stripped.\r | |
1432 | \r | |
1433 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1434 | If StartBit is greater than 7, then ASSERT().\r | |
1435 | If EndBit is greater than 7, then ASSERT().\r | |
1436 | If EndBit is less than StartBit, then ASSERT().\r | |
1437 | \r | |
1438 | @param Address MMIO register to write.\r | |
1439 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1440 | Range 0..7.\r | |
1441 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1442 | Range 0..7.\r | |
1443 | @param AndData The value to AND with read value from the MMIO register.\r | |
1444 | \r | |
1445 | @return The value written back to the MMIO register.\r | |
1446 | \r | |
1447 | **/\r | |
1448 | UINT8\r | |
1449 | EFIAPI\r | |
1450 | MmioBitFieldAnd8 (\r | |
1451 | IN UINTN Address,\r | |
1452 | IN UINTN StartBit,\r | |
1453 | IN UINTN EndBit,\r | |
1454 | IN UINT8 AndData\r | |
1455 | );\r | |
1456 | \r | |
1457 | /**\r | |
1458 | Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed\r | |
62991af2 | 1459 | by a bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 1460 | 8-bit MMIO register.\r |
1461 | \r | |
1462 | Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r | |
62991af2 | 1463 | followed by a bitwise OR between the read result and the value\r |
de22b698 | 1464 | specified by AndData, and writes the result to the 8-bit MMIO register\r |
1465 | specified by Address. The value written to the MMIO register is returned.\r | |
1466 | This function must guarantee that all MMIO read and write operations are\r | |
1467 | serialized. Extra left bits in both AndData and OrData are stripped.\r | |
1468 | \r | |
1469 | If 8-bit MMIO register operations are not supported, then ASSERT().\r | |
1470 | If StartBit is greater than 7, then ASSERT().\r | |
1471 | If EndBit is greater than 7, then ASSERT().\r | |
1472 | If EndBit is less than StartBit, then ASSERT().\r | |
1473 | \r | |
1474 | @param Address MMIO register to write.\r | |
1475 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1476 | Range 0..7.\r | |
1477 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1478 | Range 0..7.\r | |
1479 | @param AndData The value to AND with read value from the MMIO register.\r | |
1480 | @param OrData The value to OR with the result of the AND operation.\r | |
1481 | \r | |
1482 | @return The value written back to the MMIO register.\r | |
1483 | \r | |
1484 | **/\r | |
1485 | UINT8\r | |
1486 | EFIAPI\r | |
1487 | MmioBitFieldAndThenOr8 (\r | |
1488 | IN UINTN Address,\r | |
1489 | IN UINTN StartBit,\r | |
1490 | IN UINTN EndBit,\r | |
1491 | IN UINT8 AndData,\r | |
1492 | IN UINT8 OrData\r | |
1493 | );\r | |
1494 | \r | |
1495 | /**\r | |
1496 | Reads a 16-bit MMIO register.\r | |
1497 | \r | |
1498 | Reads the 16-bit MMIO register specified by Address. The 16-bit read value is\r | |
1499 | returned. This function must guarantee that all MMIO read and write\r | |
1500 | operations are serialized.\r | |
1501 | \r | |
1502 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1503 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1504 | \r |
1505 | @param Address The MMIO register to read.\r | |
1506 | \r | |
1507 | @return The value read.\r | |
1508 | \r | |
1509 | **/\r | |
1510 | UINT16\r | |
1511 | EFIAPI\r | |
1512 | MmioRead16 (\r | |
1513 | IN UINTN Address\r | |
1514 | );\r | |
1515 | \r | |
1516 | /**\r | |
1517 | Writes a 16-bit MMIO register.\r | |
1518 | \r | |
1519 | Writes the 16-bit MMIO register specified by Address with the value specified\r | |
1520 | by Value and returns Value. This function must guarantee that all MMIO read\r | |
1521 | and write operations are serialized.\r | |
1522 | \r | |
1523 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1524 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1525 | \r |
1526 | @param Address The MMIO register to write.\r | |
1527 | @param Value The value to write to the MMIO register.\r | |
1528 | \r | |
1529 | **/\r | |
1530 | UINT16\r | |
1531 | EFIAPI\r | |
1532 | MmioWrite16 (\r | |
1533 | IN UINTN Address,\r | |
1534 | IN UINT16 Value\r | |
1535 | );\r | |
1536 | \r | |
1537 | /**\r | |
62991af2 | 1538 | Reads a 16-bit MMIO register, performs a bitwise OR, and writes the\r |
de22b698 | 1539 | result back to the 16-bit MMIO register.\r |
1540 | \r | |
62991af2 | 1541 | Reads the 16-bit MMIO register specified by Address, performs a bitwise \r |
1542 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1543 | writes the result to the 16-bit MMIO register specified by Address. The value\r |
1544 | written to the MMIO register is returned. This function must guarantee that\r | |
1545 | all MMIO read and write operations are serialized.\r | |
1546 | \r | |
1547 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1548 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1549 | \r |
1550 | @param Address The MMIO register to write.\r | |
1551 | @param OrData The value to OR with the read value from the MMIO register.\r | |
1552 | \r | |
1553 | @return The value written back to the MMIO register.\r | |
1554 | \r | |
1555 | **/\r | |
1556 | UINT16\r | |
1557 | EFIAPI\r | |
1558 | MmioOr16 (\r | |
1559 | IN UINTN Address,\r | |
1560 | IN UINT16 OrData\r | |
1561 | );\r | |
1562 | \r | |
1563 | /**\r | |
1564 | Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result\r | |
1565 | back to the 16-bit MMIO register.\r | |
1566 | \r | |
1567 | Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r | |
1568 | between the read result and the value specified by AndData, and writes the\r | |
1569 | result to the 16-bit MMIO register specified by Address. The value written to\r | |
1570 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
1571 | read and write operations are serialized.\r | |
1572 | \r | |
1573 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1574 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1575 | \r |
1576 | @param Address The MMIO register to write.\r | |
1577 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1578 | \r | |
1579 | @return The value written back to the MMIO register.\r | |
1580 | \r | |
1581 | **/\r | |
1582 | UINT16\r | |
1583 | EFIAPI\r | |
1584 | MmioAnd16 (\r | |
1585 | IN UINTN Address,\r | |
1586 | IN UINT16 AndData\r | |
1587 | );\r | |
1588 | \r | |
1589 | /**\r | |
62991af2 | 1590 | Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise \r |
1591 | OR, and writes the result back to the 16-bit MMIO register.\r | |
de22b698 | 1592 | \r |
1593 | Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r | |
1594 | between the read result and the value specified by AndData, performs a\r | |
1595 | bitwise OR between the result of the AND operation and the value specified by\r | |
1596 | OrData, and writes the result to the 16-bit MMIO register specified by\r | |
1597 | Address. The value written to the MMIO register is returned. This function\r | |
1598 | must guarantee that all MMIO read and write operations are serialized.\r | |
1599 | \r | |
1600 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1601 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1602 | \r |
1603 | @param Address The MMIO register to write.\r | |
1604 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1605 | @param OrData The value to OR with the result of the AND operation.\r | |
1606 | \r | |
1607 | @return The value written back to the MMIO register.\r | |
1608 | \r | |
1609 | **/\r | |
1610 | UINT16\r | |
1611 | EFIAPI\r | |
1612 | MmioAndThenOr16 (\r | |
1613 | IN UINTN Address,\r | |
1614 | IN UINT16 AndData,\r | |
1615 | IN UINT16 OrData\r | |
1616 | );\r | |
1617 | \r | |
1618 | /**\r | |
1619 | Reads a bit field of a MMIO register.\r | |
1620 | \r | |
1621 | Reads the bit field in a 16-bit MMIO register. The bit field is specified by\r | |
1622 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
1623 | \r | |
1624 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1625 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1626 | If StartBit is greater than 15, then ASSERT().\r |
1627 | If EndBit is greater than 15, then ASSERT().\r | |
1628 | If EndBit is less than StartBit, then ASSERT().\r | |
1629 | \r | |
1630 | @param Address MMIO register to read.\r | |
1631 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1632 | Range 0..15.\r | |
1633 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1634 | Range 0..15.\r | |
1635 | \r | |
1636 | @return The value read.\r | |
1637 | \r | |
1638 | **/\r | |
1639 | UINT16\r | |
1640 | EFIAPI\r | |
1641 | MmioBitFieldRead16 (\r | |
1642 | IN UINTN Address,\r | |
1643 | IN UINTN StartBit,\r | |
1644 | IN UINTN EndBit\r | |
1645 | );\r | |
1646 | \r | |
1647 | /**\r | |
1648 | Writes a bit field to a MMIO register.\r | |
1649 | \r | |
1650 | Writes Value to the bit field of the MMIO register. The bit field is\r | |
1651 | specified by the StartBit and the EndBit. All other bits in the destination\r | |
1652 | MMIO register are preserved. The new value of the 16-bit register is returned.\r | |
1653 | \r | |
1654 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1655 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1656 | If StartBit is greater than 15, then ASSERT().\r |
1657 | If EndBit is greater than 15, then ASSERT().\r | |
1658 | If EndBit is less than StartBit, then ASSERT().\r | |
1659 | \r | |
1660 | @param Address MMIO register to write.\r | |
1661 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1662 | Range 0..15.\r | |
1663 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1664 | Range 0..15.\r | |
1665 | @param Value New value of the bit field.\r | |
1666 | \r | |
1667 | @return The value written back to the MMIO register.\r | |
1668 | \r | |
1669 | **/\r | |
1670 | UINT16\r | |
1671 | EFIAPI\r | |
1672 | MmioBitFieldWrite16 (\r | |
1673 | IN UINTN Address,\r | |
1674 | IN UINTN StartBit,\r | |
1675 | IN UINTN EndBit,\r | |
1676 | IN UINT16 Value\r | |
1677 | );\r | |
1678 | \r | |
1679 | /**\r | |
1680 | Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and\r | |
1681 | writes the result back to the bit field in the 16-bit MMIO register.\r | |
1682 | \r | |
62991af2 | 1683 | Reads the 16-bit MMIO register specified by Address, performs a bitwise \r |
1684 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1685 | writes the result to the 16-bit MMIO register specified by Address. The value\r |
1686 | written to the MMIO register is returned. This function must guarantee that\r | |
1687 | all MMIO read and write operations are serialized. Extra left bits in OrData\r | |
1688 | are stripped.\r | |
1689 | \r | |
1690 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1691 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1692 | If StartBit is greater than 15, then ASSERT().\r |
1693 | If EndBit is greater than 15, then ASSERT().\r | |
1694 | If EndBit is less than StartBit, then ASSERT().\r | |
1695 | \r | |
1696 | @param Address MMIO register to write.\r | |
1697 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1698 | Range 0..15.\r | |
1699 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1700 | Range 0..15.\r | |
1701 | @param OrData The value to OR with read value from the MMIO register.\r | |
1702 | \r | |
1703 | @return The value written back to the MMIO register.\r | |
1704 | \r | |
1705 | **/\r | |
1706 | UINT16\r | |
1707 | EFIAPI\r | |
1708 | MmioBitFieldOr16 (\r | |
1709 | IN UINTN Address,\r | |
1710 | IN UINTN StartBit,\r | |
1711 | IN UINTN EndBit,\r | |
1712 | IN UINT16 OrData\r | |
1713 | );\r | |
1714 | \r | |
1715 | /**\r | |
1716 | Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and\r | |
1717 | writes the result back to the bit field in the 16-bit MMIO register.\r | |
1718 | \r | |
1719 | Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r | |
1720 | between the read result and the value specified by AndData, and writes the\r | |
1721 | result to the 16-bit MMIO register specified by Address. The value written to\r | |
1722 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
1723 | read and write operations are serialized. Extra left bits in AndData are\r | |
1724 | stripped.\r | |
1725 | \r | |
1726 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1727 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1728 | If StartBit is greater than 15, then ASSERT().\r |
1729 | If EndBit is greater than 15, then ASSERT().\r | |
1730 | If EndBit is less than StartBit, then ASSERT().\r | |
1731 | \r | |
1732 | @param Address MMIO register to write.\r | |
1733 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1734 | Range 0..15.\r | |
1735 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1736 | Range 0..15.\r | |
1737 | @param AndData The value to AND with read value from the MMIO register.\r | |
1738 | \r | |
1739 | @return The value written back to the MMIO register.\r | |
1740 | \r | |
1741 | **/\r | |
1742 | UINT16\r | |
1743 | EFIAPI\r | |
1744 | MmioBitFieldAnd16 (\r | |
1745 | IN UINTN Address,\r | |
1746 | IN UINTN StartBit,\r | |
1747 | IN UINTN EndBit,\r | |
1748 | IN UINT16 AndData\r | |
1749 | );\r | |
1750 | \r | |
1751 | /**\r | |
1752 | Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed\r | |
62991af2 | 1753 | by a bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 1754 | 16-bit MMIO register.\r |
1755 | \r | |
1756 | Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r | |
62991af2 | 1757 | followed by a bitwise OR between the read result and the value\r |
de22b698 | 1758 | specified by AndData, and writes the result to the 16-bit MMIO register\r |
1759 | specified by Address. The value written to the MMIO register is returned.\r | |
1760 | This function must guarantee that all MMIO read and write operations are\r | |
1761 | serialized. Extra left bits in both AndData and OrData are stripped.\r | |
1762 | \r | |
1763 | If 16-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1764 | If Address is not aligned on a 16-bit boundary, then ASSERT().\r |
de22b698 | 1765 | If StartBit is greater than 15, then ASSERT().\r |
1766 | If EndBit is greater than 15, then ASSERT().\r | |
1767 | If EndBit is less than StartBit, then ASSERT().\r | |
1768 | \r | |
1769 | @param Address MMIO register to write.\r | |
1770 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1771 | Range 0..15.\r | |
1772 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1773 | Range 0..15.\r | |
1774 | @param AndData The value to AND with read value from the MMIO register.\r | |
1775 | @param OrData The value to OR with the result of the AND operation.\r | |
1776 | \r | |
1777 | @return The value written back to the MMIO register.\r | |
1778 | \r | |
1779 | **/\r | |
1780 | UINT16\r | |
1781 | EFIAPI\r | |
1782 | MmioBitFieldAndThenOr16 (\r | |
1783 | IN UINTN Address,\r | |
1784 | IN UINTN StartBit,\r | |
1785 | IN UINTN EndBit,\r | |
1786 | IN UINT16 AndData,\r | |
1787 | IN UINT16 OrData\r | |
1788 | );\r | |
1789 | \r | |
1790 | /**\r | |
1791 | Reads a 32-bit MMIO register.\r | |
1792 | \r | |
1793 | Reads the 32-bit MMIO register specified by Address. The 32-bit read value is\r | |
1794 | returned. This function must guarantee that all MMIO read and write\r | |
1795 | operations are serialized.\r | |
1796 | \r | |
1797 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1798 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1799 | \r |
1800 | @param Address The MMIO register to read.\r | |
1801 | \r | |
1802 | @return The value read.\r | |
1803 | \r | |
1804 | **/\r | |
1805 | UINT32\r | |
1806 | EFIAPI\r | |
1807 | MmioRead32 (\r | |
1808 | IN UINTN Address\r | |
1809 | );\r | |
1810 | \r | |
1811 | /**\r | |
1812 | Writes a 32-bit MMIO register.\r | |
1813 | \r | |
1814 | Writes the 32-bit MMIO register specified by Address with the value specified\r | |
1815 | by Value and returns Value. This function must guarantee that all MMIO read\r | |
1816 | and write operations are serialized.\r | |
1817 | \r | |
1818 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1819 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1820 | \r |
1821 | @param Address The MMIO register to write.\r | |
1822 | @param Value The value to write to the MMIO register.\r | |
1823 | \r | |
1824 | **/\r | |
1825 | UINT32\r | |
1826 | EFIAPI\r | |
1827 | MmioWrite32 (\r | |
1828 | IN UINTN Address,\r | |
1829 | IN UINT32 Value\r | |
1830 | );\r | |
1831 | \r | |
1832 | /**\r | |
62991af2 | 1833 | Reads a 32-bit MMIO register, performs a bitwise OR, and writes the\r |
de22b698 | 1834 | result back to the 32-bit MMIO register.\r |
1835 | \r | |
62991af2 | 1836 | Reads the 32-bit MMIO register specified by Address, performs a bitwise \r |
1837 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1838 | writes the result to the 32-bit MMIO register specified by Address. The value\r |
1839 | written to the MMIO register is returned. This function must guarantee that\r | |
1840 | all MMIO read and write operations are serialized.\r | |
1841 | \r | |
1842 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1843 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1844 | \r |
1845 | @param Address The MMIO register to write.\r | |
1846 | @param OrData The value to OR with the read value from the MMIO register.\r | |
1847 | \r | |
1848 | @return The value written back to the MMIO register.\r | |
1849 | \r | |
1850 | **/\r | |
1851 | UINT32\r | |
1852 | EFIAPI\r | |
1853 | MmioOr32 (\r | |
1854 | IN UINTN Address,\r | |
1855 | IN UINT32 OrData\r | |
1856 | );\r | |
1857 | \r | |
1858 | /**\r | |
1859 | Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result\r | |
1860 | back to the 32-bit MMIO register.\r | |
1861 | \r | |
1862 | Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r | |
1863 | between the read result and the value specified by AndData, and writes the\r | |
1864 | result to the 32-bit MMIO register specified by Address. The value written to\r | |
1865 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
1866 | read and write operations are serialized.\r | |
1867 | \r | |
1868 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1869 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1870 | \r |
1871 | @param Address The MMIO register to write.\r | |
1872 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1873 | \r | |
1874 | @return The value written back to the MMIO register.\r | |
1875 | \r | |
1876 | **/\r | |
1877 | UINT32\r | |
1878 | EFIAPI\r | |
1879 | MmioAnd32 (\r | |
1880 | IN UINTN Address,\r | |
1881 | IN UINT32 AndData\r | |
1882 | );\r | |
1883 | \r | |
1884 | /**\r | |
62991af2 | 1885 | Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise \r |
1886 | OR, and writes the result back to the 32-bit MMIO register.\r | |
de22b698 | 1887 | \r |
1888 | Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r | |
1889 | between the read result and the value specified by AndData, performs a\r | |
1890 | bitwise OR between the result of the AND operation and the value specified by\r | |
1891 | OrData, and writes the result to the 32-bit MMIO register specified by\r | |
1892 | Address. The value written to the MMIO register is returned. This function\r | |
1893 | must guarantee that all MMIO read and write operations are serialized.\r | |
1894 | \r | |
1895 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1896 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1897 | \r |
1898 | @param Address The MMIO register to write.\r | |
1899 | @param AndData The value to AND with the read value from the MMIO register.\r | |
1900 | @param OrData The value to OR with the result of the AND operation.\r | |
1901 | \r | |
1902 | @return The value written back to the MMIO register.\r | |
1903 | \r | |
1904 | **/\r | |
1905 | UINT32\r | |
1906 | EFIAPI\r | |
1907 | MmioAndThenOr32 (\r | |
1908 | IN UINTN Address,\r | |
1909 | IN UINT32 AndData,\r | |
1910 | IN UINT32 OrData\r | |
1911 | );\r | |
1912 | \r | |
1913 | /**\r | |
1914 | Reads a bit field of a MMIO register.\r | |
1915 | \r | |
1916 | Reads the bit field in a 32-bit MMIO register. The bit field is specified by\r | |
1917 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
1918 | \r | |
1919 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1920 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1921 | If StartBit is greater than 31, then ASSERT().\r |
1922 | If EndBit is greater than 31, then ASSERT().\r | |
1923 | If EndBit is less than StartBit, then ASSERT().\r | |
1924 | \r | |
1925 | @param Address MMIO register to read.\r | |
1926 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1927 | Range 0..31.\r | |
1928 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1929 | Range 0..31.\r | |
1930 | \r | |
1931 | @return The value read.\r | |
1932 | \r | |
1933 | **/\r | |
1934 | UINT32\r | |
1935 | EFIAPI\r | |
1936 | MmioBitFieldRead32 (\r | |
1937 | IN UINTN Address,\r | |
1938 | IN UINTN StartBit,\r | |
1939 | IN UINTN EndBit\r | |
1940 | );\r | |
1941 | \r | |
1942 | /**\r | |
1943 | Writes a bit field to a MMIO register.\r | |
1944 | \r | |
1945 | Writes Value to the bit field of the MMIO register. The bit field is\r | |
1946 | specified by the StartBit and the EndBit. All other bits in the destination\r | |
1947 | MMIO register are preserved. The new value of the 32-bit register is returned.\r | |
1948 | \r | |
1949 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1950 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1951 | If StartBit is greater than 31, then ASSERT().\r |
1952 | If EndBit is greater than 31, then ASSERT().\r | |
1953 | If EndBit is less than StartBit, then ASSERT().\r | |
1954 | \r | |
1955 | @param Address MMIO register to write.\r | |
1956 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1957 | Range 0..31.\r | |
1958 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1959 | Range 0..31.\r | |
1960 | @param Value New value of the bit field.\r | |
1961 | \r | |
1962 | @return The value written back to the MMIO register.\r | |
1963 | \r | |
1964 | **/\r | |
1965 | UINT32\r | |
1966 | EFIAPI\r | |
1967 | MmioBitFieldWrite32 (\r | |
1968 | IN UINTN Address,\r | |
1969 | IN UINTN StartBit,\r | |
1970 | IN UINTN EndBit,\r | |
1971 | IN UINT32 Value\r | |
1972 | );\r | |
1973 | \r | |
1974 | /**\r | |
1975 | Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and\r | |
1976 | writes the result back to the bit field in the 32-bit MMIO register.\r | |
1977 | \r | |
62991af2 | 1978 | Reads the 32-bit MMIO register specified by Address, performs a bitwise \r |
1979 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 1980 | writes the result to the 32-bit MMIO register specified by Address. The value\r |
1981 | written to the MMIO register is returned. This function must guarantee that\r | |
1982 | all MMIO read and write operations are serialized. Extra left bits in OrData\r | |
1983 | are stripped.\r | |
1984 | \r | |
1985 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 1986 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 1987 | If StartBit is greater than 31, then ASSERT().\r |
1988 | If EndBit is greater than 31, then ASSERT().\r | |
1989 | If EndBit is less than StartBit, then ASSERT().\r | |
1990 | \r | |
1991 | @param Address MMIO register to write.\r | |
1992 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
1993 | Range 0..31.\r | |
1994 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
1995 | Range 0..31.\r | |
1996 | @param OrData The value to OR with read value from the MMIO register.\r | |
1997 | \r | |
1998 | @return The value written back to the MMIO register.\r | |
1999 | \r | |
2000 | **/\r | |
2001 | UINT32\r | |
2002 | EFIAPI\r | |
2003 | MmioBitFieldOr32 (\r | |
2004 | IN UINTN Address,\r | |
2005 | IN UINTN StartBit,\r | |
2006 | IN UINTN EndBit,\r | |
2007 | IN UINT32 OrData\r | |
2008 | );\r | |
2009 | \r | |
2010 | /**\r | |
2011 | Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and\r | |
2012 | writes the result back to the bit field in the 32-bit MMIO register.\r | |
2013 | \r | |
2014 | Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r | |
2015 | between the read result and the value specified by AndData, and writes the\r | |
2016 | result to the 32-bit MMIO register specified by Address. The value written to\r | |
2017 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
2018 | read and write operations are serialized. Extra left bits in AndData are\r | |
2019 | stripped.\r | |
2020 | \r | |
2021 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2022 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 2023 | If StartBit is greater than 31, then ASSERT().\r |
2024 | If EndBit is greater than 31, then ASSERT().\r | |
2025 | If EndBit is less than StartBit, then ASSERT().\r | |
2026 | \r | |
2027 | @param Address MMIO register to write.\r | |
2028 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2029 | Range 0..31.\r | |
2030 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2031 | Range 0..31.\r | |
2032 | @param AndData The value to AND with read value from the MMIO register.\r | |
2033 | \r | |
2034 | @return The value written back to the MMIO register.\r | |
2035 | \r | |
2036 | **/\r | |
2037 | UINT32\r | |
2038 | EFIAPI\r | |
2039 | MmioBitFieldAnd32 (\r | |
2040 | IN UINTN Address,\r | |
2041 | IN UINTN StartBit,\r | |
2042 | IN UINTN EndBit,\r | |
2043 | IN UINT32 AndData\r | |
2044 | );\r | |
2045 | \r | |
2046 | /**\r | |
2047 | Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed\r | |
62991af2 | 2048 | by a bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 2049 | 32-bit MMIO register.\r |
2050 | \r | |
2051 | Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r | |
62991af2 | 2052 | followed by a bitwise OR between the read result and the value\r |
de22b698 | 2053 | specified by AndData, and writes the result to the 32-bit MMIO register\r |
2054 | specified by Address. The value written to the MMIO register is returned.\r | |
2055 | This function must guarantee that all MMIO read and write operations are\r | |
2056 | serialized. Extra left bits in both AndData and OrData are stripped.\r | |
2057 | \r | |
2058 | If 32-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2059 | If Address is not aligned on a 32-bit boundary, then ASSERT().\r |
de22b698 | 2060 | If StartBit is greater than 31, then ASSERT().\r |
2061 | If EndBit is greater than 31, then ASSERT().\r | |
2062 | If EndBit is less than StartBit, then ASSERT().\r | |
2063 | \r | |
2064 | @param Address MMIO register to write.\r | |
2065 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2066 | Range 0..31.\r | |
2067 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2068 | Range 0..31.\r | |
2069 | @param AndData The value to AND with read value from the MMIO register.\r | |
2070 | @param OrData The value to OR with the result of the AND operation.\r | |
2071 | \r | |
2072 | @return The value written back to the MMIO register.\r | |
2073 | \r | |
2074 | **/\r | |
2075 | UINT32\r | |
2076 | EFIAPI\r | |
2077 | MmioBitFieldAndThenOr32 (\r | |
2078 | IN UINTN Address,\r | |
2079 | IN UINTN StartBit,\r | |
2080 | IN UINTN EndBit,\r | |
2081 | IN UINT32 AndData,\r | |
2082 | IN UINT32 OrData\r | |
2083 | );\r | |
2084 | \r | |
2085 | /**\r | |
2086 | Reads a 64-bit MMIO register.\r | |
2087 | \r | |
2088 | Reads the 64-bit MMIO register specified by Address. The 64-bit read value is\r | |
2089 | returned. This function must guarantee that all MMIO read and write\r | |
2090 | operations are serialized.\r | |
2091 | \r | |
2092 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2093 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2094 | \r |
2095 | @param Address The MMIO register to read.\r | |
2096 | \r | |
2097 | @return The value read.\r | |
2098 | \r | |
2099 | **/\r | |
2100 | UINT64\r | |
2101 | EFIAPI\r | |
2102 | MmioRead64 (\r | |
2103 | IN UINTN Address\r | |
2104 | );\r | |
2105 | \r | |
2106 | /**\r | |
2107 | Writes a 64-bit MMIO register.\r | |
2108 | \r | |
2109 | Writes the 64-bit MMIO register specified by Address with the value specified\r | |
2110 | by Value and returns Value. This function must guarantee that all MMIO read\r | |
2111 | and write operations are serialized.\r | |
2112 | \r | |
2113 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2114 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2115 | \r |
2116 | @param Address The MMIO register to write.\r | |
2117 | @param Value The value to write to the MMIO register.\r | |
2118 | \r | |
2119 | **/\r | |
2120 | UINT64\r | |
2121 | EFIAPI\r | |
2122 | MmioWrite64 (\r | |
2123 | IN UINTN Address,\r | |
2124 | IN UINT64 Value\r | |
2125 | );\r | |
2126 | \r | |
2127 | /**\r | |
62991af2 | 2128 | Reads a 64-bit MMIO register, performs a bitwise OR, and writes the\r |
de22b698 | 2129 | result back to the 64-bit MMIO register.\r |
2130 | \r | |
62991af2 | 2131 | Reads the 64-bit MMIO register specified by Address, performs a bitwise \r |
2132 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 2133 | writes the result to the 64-bit MMIO register specified by Address. The value\r |
2134 | written to the MMIO register is returned. This function must guarantee that\r | |
2135 | all MMIO read and write operations are serialized.\r | |
2136 | \r | |
2137 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2138 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2139 | \r |
2140 | @param Address The MMIO register to write.\r | |
2141 | @param OrData The value to OR with the read value from the MMIO register.\r | |
2142 | \r | |
2143 | @return The value written back to the MMIO register.\r | |
2144 | \r | |
2145 | **/\r | |
2146 | UINT64\r | |
2147 | EFIAPI\r | |
2148 | MmioOr64 (\r | |
2149 | IN UINTN Address,\r | |
2150 | IN UINT64 OrData\r | |
2151 | );\r | |
2152 | \r | |
2153 | /**\r | |
2154 | Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result\r | |
2155 | back to the 64-bit MMIO register.\r | |
2156 | \r | |
2157 | Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r | |
2158 | between the read result and the value specified by AndData, and writes the\r | |
2159 | result to the 64-bit MMIO register specified by Address. The value written to\r | |
2160 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
2161 | read and write operations are serialized.\r | |
2162 | \r | |
2163 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2164 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2165 | \r |
2166 | @param Address The MMIO register to write.\r | |
2167 | @param AndData The value to AND with the read value from the MMIO register.\r | |
2168 | \r | |
2169 | @return The value written back to the MMIO register.\r | |
2170 | \r | |
2171 | **/\r | |
2172 | UINT64\r | |
2173 | EFIAPI\r | |
2174 | MmioAnd64 (\r | |
2175 | IN UINTN Address,\r | |
2176 | IN UINT64 AndData\r | |
2177 | );\r | |
2178 | \r | |
2179 | /**\r | |
62991af2 | 2180 | Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise \r |
2181 | OR, and writes the result back to the 64-bit MMIO register.\r | |
de22b698 | 2182 | \r |
2183 | Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r | |
2184 | between the read result and the value specified by AndData, performs a\r | |
2185 | bitwise OR between the result of the AND operation and the value specified by\r | |
2186 | OrData, and writes the result to the 64-bit MMIO register specified by\r | |
2187 | Address. The value written to the MMIO register is returned. This function\r | |
2188 | must guarantee that all MMIO read and write operations are serialized.\r | |
2189 | \r | |
2190 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2191 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2192 | \r |
2193 | @param Address The MMIO register to write.\r | |
2194 | @param AndData The value to AND with the read value from the MMIO register.\r | |
2195 | @param OrData The value to OR with the result of the AND operation.\r | |
2196 | \r | |
2197 | @return The value written back to the MMIO register.\r | |
2198 | \r | |
2199 | **/\r | |
2200 | UINT64\r | |
2201 | EFIAPI\r | |
2202 | MmioAndThenOr64 (\r | |
2203 | IN UINTN Address,\r | |
2204 | IN UINT64 AndData,\r | |
2205 | IN UINT64 OrData\r | |
2206 | );\r | |
2207 | \r | |
2208 | /**\r | |
2209 | Reads a bit field of a MMIO register.\r | |
2210 | \r | |
2211 | Reads the bit field in a 64-bit MMIO register. The bit field is specified by\r | |
2212 | the StartBit and the EndBit. The value of the bit field is returned.\r | |
2213 | \r | |
2214 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2215 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2216 | If StartBit is greater than 63, then ASSERT().\r |
2217 | If EndBit is greater than 63, then ASSERT().\r | |
2218 | If EndBit is less than StartBit, then ASSERT().\r | |
2219 | \r | |
2220 | @param Address MMIO register to read.\r | |
2221 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2222 | Range 0..63.\r | |
2223 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2224 | Range 0..63.\r | |
2225 | \r | |
2226 | @return The value read.\r | |
2227 | \r | |
2228 | **/\r | |
2229 | UINT64\r | |
2230 | EFIAPI\r | |
2231 | MmioBitFieldRead64 (\r | |
2232 | IN UINTN Address,\r | |
2233 | IN UINTN StartBit,\r | |
2234 | IN UINTN EndBit\r | |
2235 | );\r | |
2236 | \r | |
2237 | /**\r | |
2238 | Writes a bit field to a MMIO register.\r | |
2239 | \r | |
2240 | Writes Value to the bit field of the MMIO register. The bit field is\r | |
2241 | specified by the StartBit and the EndBit. All other bits in the destination\r | |
2242 | MMIO register are preserved. The new value of the 64-bit register is returned.\r | |
2243 | \r | |
2244 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2245 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2246 | If StartBit is greater than 63, then ASSERT().\r |
2247 | If EndBit is greater than 63, then ASSERT().\r | |
2248 | If EndBit is less than StartBit, then ASSERT().\r | |
2249 | \r | |
2250 | @param Address MMIO register to write.\r | |
2251 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2252 | Range 0..63.\r | |
2253 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2254 | Range 0..63.\r | |
2255 | @param Value New value of the bit field.\r | |
2256 | \r | |
2257 | @return The value written back to the MMIO register.\r | |
2258 | \r | |
2259 | **/\r | |
2260 | UINT64\r | |
2261 | EFIAPI\r | |
2262 | MmioBitFieldWrite64 (\r | |
2263 | IN UINTN Address,\r | |
2264 | IN UINTN StartBit,\r | |
2265 | IN UINTN EndBit,\r | |
2266 | IN UINT64 Value\r | |
2267 | );\r | |
2268 | \r | |
2269 | /**\r | |
2270 | Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and\r | |
2271 | writes the result back to the bit field in the 64-bit MMIO register.\r | |
2272 | \r | |
62991af2 | 2273 | Reads the 64-bit MMIO register specified by Address, performs a bitwise \r |
2274 | OR between the read result and the value specified by OrData, and\r | |
de22b698 | 2275 | writes the result to the 64-bit MMIO register specified by Address. The value\r |
2276 | written to the MMIO register is returned. This function must guarantee that\r | |
2277 | all MMIO read and write operations are serialized. Extra left bits in OrData\r | |
2278 | are stripped.\r | |
2279 | \r | |
2280 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2281 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2282 | If StartBit is greater than 63, then ASSERT().\r |
2283 | If EndBit is greater than 63, then ASSERT().\r | |
2284 | If EndBit is less than StartBit, then ASSERT().\r | |
2285 | \r | |
2286 | @param Address MMIO register to write.\r | |
2287 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2288 | Range 0..63.\r | |
2289 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2290 | Range 0..63.\r | |
2291 | @param OrData The value to OR with read value from the MMIO register.\r | |
2292 | \r | |
2293 | @return The value written back to the MMIO register.\r | |
2294 | \r | |
2295 | **/\r | |
2296 | UINT64\r | |
2297 | EFIAPI\r | |
2298 | MmioBitFieldOr64 (\r | |
2299 | IN UINTN Address,\r | |
2300 | IN UINTN StartBit,\r | |
2301 | IN UINTN EndBit,\r | |
2302 | IN UINT64 OrData\r | |
2303 | );\r | |
2304 | \r | |
2305 | /**\r | |
2306 | Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and\r | |
2307 | writes the result back to the bit field in the 64-bit MMIO register.\r | |
2308 | \r | |
2309 | Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r | |
2310 | between the read result and the value specified by AndData, and writes the\r | |
2311 | result to the 64-bit MMIO register specified by Address. The value written to\r | |
2312 | the MMIO register is returned. This function must guarantee that all MMIO\r | |
2313 | read and write operations are serialized. Extra left bits in AndData are\r | |
2314 | stripped.\r | |
2315 | \r | |
2316 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2317 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2318 | If StartBit is greater than 63, then ASSERT().\r |
2319 | If EndBit is greater than 63, then ASSERT().\r | |
2320 | If EndBit is less than StartBit, then ASSERT().\r | |
2321 | \r | |
2322 | @param Address MMIO register to write.\r | |
2323 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2324 | Range 0..63.\r | |
2325 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2326 | Range 0..63.\r | |
2327 | @param AndData The value to AND with read value from the MMIO register.\r | |
2328 | \r | |
2329 | @return The value written back to the MMIO register.\r | |
2330 | \r | |
2331 | **/\r | |
2332 | UINT64\r | |
2333 | EFIAPI\r | |
2334 | MmioBitFieldAnd64 (\r | |
2335 | IN UINTN Address,\r | |
2336 | IN UINTN StartBit,\r | |
2337 | IN UINTN EndBit,\r | |
2338 | IN UINT64 AndData\r | |
2339 | );\r | |
2340 | \r | |
2341 | /**\r | |
2342 | Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed\r | |
62991af2 | 2343 | by a bitwise OR, and writes the result back to the bit field in the\r |
de22b698 | 2344 | 64-bit MMIO register.\r |
2345 | \r | |
2346 | Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r | |
62991af2 | 2347 | followed by a bitwise OR between the read result and the value\r |
de22b698 | 2348 | specified by AndData, and writes the result to the 64-bit MMIO register\r |
2349 | specified by Address. The value written to the MMIO register is returned.\r | |
2350 | This function must guarantee that all MMIO read and write operations are\r | |
2351 | serialized. Extra left bits in both AndData and OrData are stripped.\r | |
2352 | \r | |
2353 | If 64-bit MMIO register operations are not supported, then ASSERT().\r | |
5ac79a78 | 2354 | If Address is not aligned on a 64-bit boundary, then ASSERT().\r |
de22b698 | 2355 | If StartBit is greater than 63, then ASSERT().\r |
2356 | If EndBit is greater than 63, then ASSERT().\r | |
2357 | If EndBit is less than StartBit, then ASSERT().\r | |
2358 | \r | |
2359 | @param Address MMIO register to write.\r | |
2360 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
2361 | Range 0..63.\r | |
2362 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
2363 | Range 0..63.\r | |
2364 | @param AndData The value to AND with read value from the MMIO register.\r | |
2365 | @param OrData The value to OR with the result of the AND operation.\r | |
2366 | \r | |
2367 | @return The value written back to the MMIO register.\r | |
2368 | \r | |
2369 | **/\r | |
2370 | UINT64\r | |
2371 | EFIAPI\r | |
2372 | MmioBitFieldAndThenOr64 (\r | |
2373 | IN UINTN Address,\r | |
2374 | IN UINTN StartBit,\r | |
2375 | IN UINTN EndBit,\r | |
2376 | IN UINT64 AndData,\r | |
2377 | IN UINT64 OrData\r | |
2378 | );\r | |
2379 | \r | |
2380 | /**\r | |
2381 | Copy data from MMIO region to system memory by using 8-bit access.\r | |
2382 | \r | |
2383 | Copy data from MMIO region specified by starting address StartAddress \r | |
2384 | to system memory specified by Buffer by using 8-bit access. The total \r | |
2385 | number of byte to be copied is specified by Length. Buffer is returned.\r | |
2386 | \r | |
2387 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2388 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
2389 | \r | |
2390 | \r | |
2391 | @param StartAddress Starting address for the MMIO region to be copied from.\r | |
5ac79a78 | 2392 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2393 | @param Buffer Pointer to a system memory buffer receiving the data read.\r |
2394 | \r | |
2395 | @return Buffer\r | |
2396 | \r | |
2397 | **/\r | |
2398 | UINT8 *\r | |
2399 | EFIAPI\r | |
2400 | MmioReadBuffer8 (\r | |
2401 | IN UINTN StartAddress,\r | |
2402 | IN UINTN Length,\r | |
2403 | OUT UINT8 *Buffer\r | |
2404 | );\r | |
2405 | \r | |
2406 | /**\r | |
2407 | Copy data from MMIO region to system memory by using 16-bit access.\r | |
2408 | \r | |
2409 | Copy data from MMIO region specified by starting address StartAddress \r | |
2410 | to system memory specified by Buffer by using 16-bit access. The total \r | |
2411 | number of byte to be copied is specified by Length. Buffer is returned.\r | |
2412 | \r | |
2413 | If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r | |
2414 | \r | |
2415 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2416 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
2417 | \r | |
2418 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
2419 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
2420 | \r | |
2421 | @param StartAddress Starting address for the MMIO region to be copied from.\r | |
5ac79a78 | 2422 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2423 | @param Buffer Pointer to a system memory buffer receiving the data read.\r |
2424 | \r | |
2425 | @return Buffer\r | |
2426 | \r | |
2427 | **/\r | |
2428 | UINT16 *\r | |
2429 | EFIAPI\r | |
2430 | MmioReadBuffer16 (\r | |
2431 | IN UINTN StartAddress,\r | |
2432 | IN UINTN Length,\r | |
2433 | OUT UINT16 *Buffer\r | |
2434 | );\r | |
2435 | \r | |
2436 | /**\r | |
2437 | Copy data from MMIO region to system memory by using 32-bit access.\r | |
2438 | \r | |
2439 | Copy data from MMIO region specified by starting address StartAddress \r | |
2440 | to system memory specified by Buffer by using 32-bit access. The total \r | |
2441 | number of byte to be copied is specified by Length. Buffer is returned.\r | |
2442 | \r | |
2443 | If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r | |
2444 | \r | |
2445 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2446 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
2447 | \r | |
2448 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
2449 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
2450 | \r | |
2451 | @param StartAddress Starting address for the MMIO region to be copied from.\r | |
5ac79a78 | 2452 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2453 | @param Buffer Pointer to a system memory buffer receiving the data read.\r |
2454 | \r | |
2455 | @return Buffer\r | |
2456 | \r | |
2457 | **/\r | |
2458 | UINT32 *\r | |
2459 | EFIAPI\r | |
2460 | MmioReadBuffer32 (\r | |
2461 | IN UINTN StartAddress,\r | |
2462 | IN UINTN Length,\r | |
2463 | OUT UINT32 *Buffer\r | |
2464 | );\r | |
2465 | \r | |
2466 | /**\r | |
2467 | Copy data from MMIO region to system memory by using 64-bit access.\r | |
2468 | \r | |
2469 | Copy data from MMIO region specified by starting address StartAddress \r | |
2470 | to system memory specified by Buffer by using 64-bit access. The total \r | |
2471 | number of byte to be copied is specified by Length. Buffer is returned.\r | |
2472 | \r | |
2473 | If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r | |
2474 | \r | |
2475 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2476 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
2477 | \r | |
2478 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
2479 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
2480 | \r | |
2481 | @param StartAddress Starting address for the MMIO region to be copied from.\r | |
5ac79a78 | 2482 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2483 | @param Buffer Pointer to a system memory buffer receiving the data read.\r |
2484 | \r | |
2485 | @return Buffer\r | |
2486 | \r | |
2487 | **/\r | |
2488 | UINT64 *\r | |
2489 | EFIAPI\r | |
2490 | MmioReadBuffer64 (\r | |
2491 | IN UINTN StartAddress,\r | |
2492 | IN UINTN Length,\r | |
2493 | OUT UINT64 *Buffer\r | |
2494 | );\r | |
2495 | \r | |
2496 | /**\r | |
2497 | Copy data from system memory to MMIO region by using 8-bit access.\r | |
2498 | \r | |
2499 | Copy data from system memory specified by Buffer to MMIO region specified \r | |
2500 | by starting address StartAddress by using 8-bit access. The total number \r | |
2501 | of byte to be copied is specified by Length. Buffer is returned.\r | |
2502 | \r | |
2503 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2504 | If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r | |
2505 | \r | |
2506 | \r | |
2507 | @param StartAddress Starting address for the MMIO region to be copied to.\r | |
5ac79a78 | 2508 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2509 | @param Buffer Pointer to a system memory buffer containing the data to write.\r |
2510 | \r | |
2511 | @return Size in bytes of the copy.\r | |
2512 | \r | |
2513 | **/\r | |
2514 | UINT8 *\r | |
2515 | EFIAPI\r | |
2516 | MmioWriteBuffer8 (\r | |
2517 | IN UINTN StartAddress,\r | |
2518 | IN UINTN Length,\r | |
2519 | IN CONST UINT8 *Buffer\r | |
2520 | );\r | |
2521 | \r | |
2522 | /**\r | |
2523 | Copy data from system memory to MMIO region by using 16-bit access.\r | |
2524 | \r | |
2525 | Copy data from system memory specified by Buffer to MMIO region specified \r | |
2526 | by starting address StartAddress by using 16-bit access. The total number \r | |
2527 | of byte to be copied is specified by Length. Length is returned.\r | |
2528 | \r | |
2529 | If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r | |
2530 | \r | |
2531 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2532 | If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r | |
2533 | \r | |
2534 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
2535 | \r | |
2536 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
2537 | \r | |
2538 | @param StartAddress Starting address for the MMIO region to be copied to.\r | |
5ac79a78 | 2539 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2540 | @param Buffer Pointer to a system memory buffer containing the data to write.\r |
2541 | \r | |
2542 | @return Size in bytes of the copy.\r | |
2543 | \r | |
2544 | **/\r | |
2545 | UINT16 *\r | |
2546 | EFIAPI\r | |
2547 | MmioWriteBuffer16 (\r | |
2548 | IN UINTN StartAddress,\r | |
2549 | IN UINTN Length,\r | |
2550 | IN CONST UINT16 *Buffer\r | |
2551 | );\r | |
2552 | \r | |
2553 | /**\r | |
2554 | Copy data from system memory to MMIO region by using 32-bit access.\r | |
2555 | \r | |
2556 | Copy data from system memory specified by Buffer to MMIO region specified \r | |
2557 | by starting address StartAddress by using 32-bit access. The total number \r | |
2558 | of byte to be copied is specified by Length. Length is returned.\r | |
2559 | \r | |
2560 | If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r | |
2561 | \r | |
2562 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2563 | If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r | |
2564 | \r | |
2565 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
2566 | \r | |
2567 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
2568 | \r | |
2569 | @param StartAddress Starting address for the MMIO region to be copied to.\r | |
5ac79a78 | 2570 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2571 | @param Buffer Pointer to a system memory buffer containing the data to write.\r |
2572 | \r | |
2573 | @return Size in bytes of the copy.\r | |
2574 | \r | |
2575 | **/\r | |
2576 | UINT32 *\r | |
2577 | EFIAPI\r | |
2578 | MmioWriteBuffer32 (\r | |
2579 | IN UINTN StartAddress,\r | |
2580 | IN UINTN Length,\r | |
2581 | IN CONST UINT32 *Buffer\r | |
2582 | );\r | |
2583 | \r | |
2584 | /**\r | |
2585 | Copy data from system memory to MMIO region by using 64-bit access.\r | |
2586 | \r | |
2587 | Copy data from system memory specified by Buffer to MMIO region specified \r | |
2588 | by starting address StartAddress by using 64-bit access. The total number \r | |
2589 | of byte to be copied is specified by Length. Length is returned.\r | |
2590 | \r | |
2591 | If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r | |
2592 | \r | |
2593 | If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r | |
2594 | If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r | |
2595 | \r | |
2596 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
2597 | \r | |
2598 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
2599 | \r | |
2600 | @param StartAddress Starting address for the MMIO region to be copied to.\r | |
5ac79a78 | 2601 | @param Length The size, in bytes, of Buffer.\r |
de22b698 | 2602 | @param Buffer Pointer to a system memory buffer containing the data to write.\r |
2603 | \r | |
2604 | @return Size in bytes of the copy.\r | |
2605 | \r | |
2606 | **/\r | |
2607 | UINT64 *\r | |
2608 | EFIAPI\r | |
2609 | MmioWriteBuffer64 (\r | |
2610 | IN UINTN StartAddress,\r | |
2611 | IN UINTN Length,\r | |
2612 | IN CONST UINT64 *Buffer\r | |
2613 | );\r | |
2614 | \r | |
2615 | \r | |
2616 | #endif\r | |
2617 | \r |