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92870c98 | 1 | /** @file\r |
2 | \r | |
3 | This file contains the register definition of XHCI host controller.\r | |
4 | \r | |
5 | Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef _EFI_XHCI_REG_H_\r | |
17 | #define _EFI_XHCI_REG_H_\r | |
18 | \r | |
19 | #define PCI_IF_XHCI 0x30\r | |
20 | \r | |
21 | //\r | |
22 | // PCI Configuration Registers\r | |
23 | //\r | |
24 | #define XHC_BAR_INDEX 0x00\r | |
25 | \r | |
26 | #define XHC_PCI_BAR_OFFSET 0x10 // Memory Bar Register Offset\r | |
27 | #define XHC_PCI_BAR_MASK 0xFFFF // Memory Base Address Mask\r | |
28 | \r | |
29 | #define USB_HUB_CLASS_CODE 0x09\r | |
30 | #define USB_HUB_SUBCLASS_CODE 0x00\r | |
31 | \r | |
32 | //============================================//\r | |
33 | // XHCI register offset //\r | |
34 | //============================================//\r | |
35 | \r | |
36 | //\r | |
37 | // Capability registers offset\r | |
38 | //\r | |
39 | #define XHC_CAPLENGTH_OFFSET 0x00 // Capability register length offset\r | |
40 | #define XHC_HCIVERSION_OFFSET 0x02 // Interface Version Number 02-03h\r | |
41 | #define XHC_HCSPARAMS1_OFFSET 0x04 // Structural Parameters 1\r | |
42 | #define XHC_HCSPARAMS2_OFFSET 0x08 // Structural Parameters 2\r | |
43 | #define XHC_HCSPARAMS3_OFFSET 0x0c // Structural Parameters 3\r | |
44 | #define XHC_HCCPARAMS_OFFSET 0x10 // Capability Parameters\r | |
45 | #define XHC_DBOFF_OFFSET 0x14 // Doorbell Offset\r | |
46 | #define XHC_RTSOFF_OFFSET 0x18 // Runtime Register Space Offset\r | |
47 | \r | |
48 | //\r | |
49 | // Operational registers offset\r | |
50 | //\r | |
51 | #define XHC_USBCMD_OFFSET 0x0000 // USB Command Register Offset\r | |
52 | #define XHC_USBSTS_OFFSET 0x0004 // USB Status Register Offset\r | |
53 | #define XHC_PAGESIZE_OFFSET 0x0008 // USB Page Size Register Offset\r | |
54 | #define XHC_DNCTRL_OFFSET 0x0014 // Device Notification Control Register Offset\r | |
55 | #define XHC_CRCR_OFFSET 0x0018 // Command Ring Control Register Offset\r | |
56 | #define XHC_DCBAAP_OFFSET 0x0030 // Device Context Base Address Array Pointer Register Offset\r | |
57 | #define XHC_CONFIG_OFFSET 0x0038 // Configure Register Offset\r | |
58 | #define XHC_PORTSC_OFFSET 0x0400 // Port Status and Control Register Offset\r | |
59 | \r | |
60 | //\r | |
61 | // Runtime registers offset\r | |
62 | //\r | |
63 | #define XHC_MFINDEX_OFFSET 0x00 // Microframe Index Register Offset\r | |
64 | #define XHC_IMAN_OFFSET 0x20 // Interrupter X Management Register Offset\r | |
65 | #define XHC_IMOD_OFFSET 0x24 // Interrupter X Moderation Register Offset\r | |
66 | #define XHC_ERSTSZ_OFFSET 0x28 // Event Ring Segment Table Size Register Offset\r | |
67 | #define XHC_ERSTBA_OFFSET 0x30 // Event Ring Segment Table Base Address Register Offset\r | |
68 | #define XHC_ERDP_OFFSET 0x38 // Event Ring Dequeue Pointer Register Offset\r | |
69 | \r | |
70 | #define USBLEGSP_BIOS_SEMAPHORE BIT16 // HC BIOS Owned Semaphore\r | |
71 | #define USBLEGSP_OS_SEMAPHORE BIT24 // HC OS Owned Semaphore\r | |
72 | \r | |
73 | #pragma pack (1)\r | |
74 | //\r | |
75 | // Structural Parameters 1 Register Bitmap Definition\r | |
76 | //\r | |
77 | typedef union _XHC_HCSPARAMS1 {\r | |
78 | UINT32 Dword;\r | |
79 | struct {\r | |
80 | UINT8 MaxSlots; // Number of Device Slots\r | |
81 | UINT16 MaxIntrs:11; // Number of Interrupters\r | |
82 | UINT16 Rsvd:5;\r | |
83 | UINT8 MaxPorts; // Number of Ports\r | |
84 | } Data;\r | |
85 | } XHC_HCSPARAMS1;\r | |
86 | \r | |
87 | //\r | |
88 | // Structural Parameters 2 Register Bitmap Definition\r | |
89 | //\r | |
90 | typedef union _XHC_HCSPARAMS2 {\r | |
91 | UINT32 Dword;\r | |
92 | struct {\r | |
93 | UINT32 Ist:4; // Isochronous Scheduling Threshold\r | |
94 | UINT32 Erst:4; // Event Ring Segment Table Max\r | |
95 | UINT32 Rsvd:13;\r | |
96 | UINT32 ScratchBufHi:5; // Max Scratchpad Buffers Hi\r | |
97 | UINT32 Spr:1; // Scratchpad Restore\r | |
98 | UINT32 ScratchBufLo:5; // Max Scratchpad Buffers Lo\r | |
99 | } Data;\r | |
100 | } XHC_HCSPARAMS2;\r | |
101 | \r | |
102 | //\r | |
103 | // Capability Parameters Register Bitmap Definition\r | |
104 | //\r | |
105 | typedef union _XHC_HCCPARAMS {\r | |
106 | UINT32 Dword;\r | |
107 | struct {\r | |
108 | UINT16 Ac64:1; // 64-bit Addressing Capability\r | |
109 | UINT16 Bnc:1; // BW Negotiation Capability\r | |
110 | UINT16 Csz:1; // Context Size\r | |
111 | UINT16 Ppc:1; // Port Power Control\r | |
112 | UINT16 Pind:1; // Port Indicators\r | |
113 | UINT16 Lhrc:1; // Light HC Reset Capability\r | |
114 | UINT16 Ltc:1; // Latency Tolerance Messaging Capability\r | |
115 | UINT16 Nss:1; // No Secondary SID Support\r | |
116 | UINT16 Pae:1; // Parse All Event Data\r | |
117 | UINT16 Rsvd:3;\r | |
118 | UINT16 MaxPsaSize:4; // Maximum Primary Stream Array Size\r | |
119 | UINT16 ExtCapReg; // xHCI Extended Capabilities Pointer\r | |
120 | } Data;\r | |
121 | } XHC_HCCPARAMS;\r | |
122 | \r | |
123 | #pragma pack ()\r | |
124 | \r | |
125 | //\r | |
126 | // Register Bit Definition\r | |
127 | //\r | |
128 | #define XHC_USBCMD_RUN BIT0 // Run/Stop\r | |
129 | #define XHC_USBCMD_RESET BIT1 // Host Controller Reset\r | |
130 | #define XHC_USBCMD_INTE BIT2 // Interrupter Enable\r | |
131 | #define XHC_USBCMD_HSEE BIT3 // Host System Error Enable\r | |
132 | \r | |
133 | #define XHC_USBSTS_HALT BIT0 // Host Controller Halted\r | |
134 | #define XHC_USBSTS_HSE BIT2 // Host System Error\r | |
135 | #define XHC_USBSTS_EINT BIT3 // Event Interrupt\r | |
136 | #define XHC_USBSTS_PCD BIT4 // Port Change Detect\r | |
137 | #define XHC_USBSTS_SSS BIT8 // Save State Status\r | |
138 | #define XHC_USBSTS_RSS BIT9 // Restore State Status\r | |
139 | #define XHC_USBSTS_SRE BIT10 // Save/Restore Error\r | |
140 | #define XHC_USBSTS_CNR BIT11 // Host Controller Not Ready\r | |
141 | #define XHC_USBSTS_HCE BIT12 // Host Controller Error\r | |
142 | \r | |
143 | #define XHC_PAGESIZE_MASK 0xFFFF // Page Size\r | |
144 | \r | |
145 | #define XHC_CRCR_RCS BIT0 // Ring Cycle State\r | |
146 | #define XHC_CRCR_CS BIT1 // Command Stop\r | |
147 | #define XHC_CRCR_CA BIT2 // Command Abort\r | |
148 | #define XHC_CRCR_CRR BIT3 // Command Ring Running\r | |
149 | \r | |
150 | #define XHC_CONFIG_MASK 0xFF // Command Ring Running\r | |
151 | \r | |
152 | #define XHC_PORTSC_CCS BIT0 // Current Connect Status\r | |
153 | #define XHC_PORTSC_PED BIT1 // Port Enabled/Disabled\r | |
154 | #define XHC_PORTSC_OCA BIT3 // Over-current Active\r | |
155 | #define XHC_PORTSC_RESET BIT4 // Port Reset\r | |
156 | #define XHC_PORTSC_PLS (BIT5|BIT6|BIT7|BIT8) // Port Link State\r | |
157 | #define XHC_PORTSC_PP BIT9 // Port Power\r | |
158 | #define XHC_PORTSC_PS (BIT10|BIT11|BIT12|BIT13) // Port Speed\r | |
159 | #define XHC_PORTSC_LWS BIT16 // Port Link State Write Strobe\r | |
160 | #define XHC_PORTSC_CSC BIT17 // Connect Status Change\r | |
161 | #define XHC_PORTSC_PEC BIT18 // Port Enabled/Disabled Change\r | |
162 | #define XHC_PORTSC_WRC BIT19 // Warm Port Reset Change\r | |
163 | #define XHC_PORTSC_OCC BIT20 // Over-Current Change\r | |
164 | #define XHC_PORTSC_PRC BIT21 // Port Reset Change\r | |
165 | #define XHC_PORTSC_PLC BIT22 // Port Link State Change\r | |
166 | #define XHC_PORTSC_CEC BIT23 // Port Config Error Change\r | |
167 | #define XHC_PORTSC_CAS BIT24 // Cold Attach Status\r | |
168 | \r | |
169 | #define XHC_IMAN_IP BIT0 // Interrupt Pending\r | |
170 | #define XHC_IMAN_IE BIT1 // Interrupt Enable\r | |
171 | \r | |
172 | #define XHC_IMODI_MASK 0x0000FFFF // Interrupt Moderation Interval\r | |
173 | #define XHC_IMODC_MASK 0xFFFF0000 // Interrupt Moderation Counter\r | |
174 | \r | |
175 | //\r | |
176 | // Structure to map the hardware port states to the\r | |
177 | // UEFI's port states.\r | |
178 | //\r | |
179 | typedef struct {\r | |
180 | UINT32 HwState;\r | |
181 | UINT16 UefiState;\r | |
182 | } USB_PORT_STATE_MAP;\r | |
183 | \r | |
184 | /**\r | |
185 | Read 1-byte width XHCI capability register.\r | |
186 | \r | |
187 | @param Xhc The XHCI device.\r | |
188 | @param Offset The offset of the 1-byte width capability register.\r | |
189 | \r | |
190 | @return The register content read.\r | |
191 | @retval If err, return 0xFFFF.\r | |
192 | \r | |
193 | **/\r | |
194 | UINT8\r | |
195 | XhcReadCapReg8 (\r | |
196 | IN USB_XHCI_DEV *Xhc,\r | |
197 | IN UINT32 Offset\r | |
198 | );\r | |
199 | \r | |
200 | /**\r | |
201 | Read 4-bytes width XHCI capability register.\r | |
202 | \r | |
203 | @param Xhc The XHCI device.\r | |
204 | @param Offset The offset of the 4-bytes width capability register.\r | |
205 | \r | |
206 | @return The register content read.\r | |
207 | @retval If err, return 0xFFFFFFFF.\r | |
208 | \r | |
209 | **/\r | |
210 | UINT32\r | |
211 | XhcReadCapReg (\r | |
212 | IN USB_XHCI_DEV *Xhc,\r | |
213 | IN UINT32 Offset\r | |
214 | );\r | |
215 | \r | |
216 | /**\r | |
217 | Read 4-bytes width XHCI Operational register.\r | |
218 | \r | |
219 | @param Xhc The XHCI device.\r | |
220 | @param Offset The offset of the 4-bytes width operational register.\r | |
221 | \r | |
222 | @return The register content read.\r | |
223 | @retval If err, return 0xFFFFFFFF.\r | |
224 | \r | |
225 | **/\r | |
226 | UINT32\r | |
227 | XhcReadOpReg (\r | |
228 | IN USB_XHCI_DEV *Xhc,\r | |
229 | IN UINT32 Offset\r | |
230 | );\r | |
231 | \r | |
232 | /**\r | |
233 | Write the data to the 4-bytes width XHCI operational register.\r | |
234 | \r | |
235 | @param Xhc The XHCI device.\r | |
236 | @param Offset The offset of the 4-bytes width operational register.\r | |
237 | @param Data The data to write.\r | |
238 | \r | |
239 | **/\r | |
240 | VOID\r | |
241 | XhcWriteOpReg (\r | |
242 | IN USB_XHCI_DEV *Xhc,\r | |
243 | IN UINT32 Offset,\r | |
244 | IN UINT32 Data\r | |
245 | );\r | |
246 | \r | |
247 | /**\r | |
248 | Write the data to the 2-bytes width XHCI operational register.\r | |
249 | \r | |
250 | @param Xhc The XHCI device.\r | |
251 | @param Offset The offset of the 2-bytes width operational register.\r | |
252 | @param Data The data to write.\r | |
253 | \r | |
254 | **/\r | |
255 | VOID\r | |
256 | XhcWriteOpReg16 (\r | |
257 | IN USB_XHCI_DEV *Xhc,\r | |
258 | IN UINT32 Offset,\r | |
259 | IN UINT16 Data\r | |
260 | );\r | |
261 | \r | |
262 | /**\r | |
263 | Write the data to the 8-bytes width XHCI operational register.\r | |
264 | \r | |
265 | @param Xhc The XHCI device.\r | |
266 | @param Offset The offset of the 8-bytes width operational register.\r | |
267 | @param Data The data to write.\r | |
268 | \r | |
269 | **/\r | |
270 | VOID\r | |
271 | XhcWriteOpReg64 (\r | |
272 | IN USB_XHCI_DEV *Xhc,\r | |
273 | IN UINT32 Offset,\r | |
274 | IN UINT64 Data\r | |
275 | );\r | |
276 | \r | |
277 | /**\r | |
278 | Read XHCI runtime register.\r | |
279 | \r | |
280 | @param Xhc The XHCI device.\r | |
281 | @param Offset The offset of the runtime register.\r | |
282 | \r | |
283 | @return The register content read\r | |
284 | \r | |
285 | **/\r | |
286 | UINT32\r | |
287 | XhcReadRuntimeReg (\r | |
288 | IN USB_XHCI_DEV *Xhc,\r | |
289 | IN UINT32 Offset\r | |
290 | );\r | |
291 | \r | |
292 | /**\r | |
293 | Read 8-bytes width XHCI runtime register.\r | |
294 | \r | |
295 | @param Xhc The XHCI device.\r | |
296 | @param Offset The offset of the 8-bytes width runtime register.\r | |
297 | \r | |
298 | @return The register content read\r | |
299 | \r | |
300 | **/\r | |
301 | UINT64\r | |
302 | XhcReadRuntimeReg64 (\r | |
303 | IN USB_XHCI_DEV *Xhc,\r | |
304 | IN UINT32 Offset\r | |
305 | );\r | |
306 | \r | |
307 | /**\r | |
308 | Write the data to the XHCI runtime register.\r | |
309 | \r | |
310 | @param Xhc The XHCI device.\r | |
311 | @param Offset The offset of the runtime register.\r | |
312 | @param Data The data to write.\r | |
313 | \r | |
314 | **/\r | |
315 | VOID\r | |
316 | XhcWriteRuntimeReg (\r | |
317 | IN USB_XHCI_DEV *Xhc,\r | |
318 | IN UINT32 Offset,\r | |
319 | IN UINT32 Data\r | |
320 | );\r | |
321 | \r | |
322 | /**\r | |
323 | Write the data to the 8-bytes width XHCI runtime register.\r | |
324 | \r | |
325 | @param Xhc The XHCI device.\r | |
326 | @param Offset The offset of the 8-bytes width runtime register.\r | |
327 | @param Data The data to write.\r | |
328 | \r | |
329 | **/\r | |
330 | VOID\r | |
331 | XhcWriteRuntimeReg64 (\r | |
332 | IN USB_XHCI_DEV *Xhc,\r | |
333 | IN UINT32 Offset,\r | |
334 | IN UINT64 Data\r | |
335 | );\r | |
336 | \r | |
337 | /**\r | |
338 | Read XHCI door bell register.\r | |
339 | \r | |
340 | @param Xhc The XHCI device.\r | |
341 | @param Offset The offset of the door bell register.\r | |
342 | \r | |
343 | @return The register content read\r | |
344 | \r | |
345 | **/\r | |
346 | UINT32\r | |
347 | XhcReadDoorBellReg (\r | |
348 | IN USB_XHCI_DEV *Xhc,\r | |
349 | IN UINT32 Offset\r | |
350 | );\r | |
351 | \r | |
352 | /**\r | |
353 | Write the data to the XHCI door bell register.\r | |
354 | \r | |
355 | @param Xhc The XHCI device.\r | |
356 | @param Offset The offset of the door bell register.\r | |
357 | @param Data The data to write.\r | |
358 | \r | |
359 | **/\r | |
360 | VOID\r | |
361 | XhcWriteDoorBellReg (\r | |
362 | IN USB_XHCI_DEV *Xhc,\r | |
363 | IN UINT32 Offset,\r | |
364 | IN UINT32 Data\r | |
365 | );\r | |
366 | \r | |
367 | /**\r | |
368 | Set one bit of the operational register while keeping other bits.\r | |
369 | \r | |
370 | @param Xhc The XHCI device.\r | |
371 | @param Offset The offset of the operational register.\r | |
372 | @param Bit The bit mask of the register to set.\r | |
373 | \r | |
374 | **/\r | |
375 | VOID\r | |
376 | XhcSetOpRegBit (\r | |
377 | IN USB_XHCI_DEV *Xhc,\r | |
378 | IN UINT32 Offset,\r | |
379 | IN UINT32 Bit\r | |
380 | );\r | |
381 | \r | |
382 | /**\r | |
383 | Clear one bit of the operational register while keeping other bits.\r | |
384 | \r | |
385 | @param Xhc The XHCI device.\r | |
386 | @param Offset The offset of the operational register.\r | |
387 | @param Bit The bit mask of the register to clear.\r | |
388 | \r | |
389 | **/\r | |
390 | VOID\r | |
391 | XhcClearOpRegBit (\r | |
392 | IN USB_XHCI_DEV *Xhc,\r | |
393 | IN UINT32 Offset,\r | |
394 | IN UINT32 Bit\r | |
395 | );\r | |
396 | \r | |
397 | /**\r | |
398 | Wait the operation register's bit as specified by Bit\r | |
399 | to be set (or clear).\r | |
400 | \r | |
401 | @param Xhc The XHCI device.\r | |
402 | @param Offset The offset of the operational register.\r | |
403 | @param Bit The bit of the register to wait for.\r | |
404 | @param WaitToSet Wait the bit to set or clear.\r | |
405 | @param Timeout The time to wait before abort (in millisecond, ms).\r | |
406 | \r | |
407 | @retval EFI_SUCCESS The bit successfully changed by host controller.\r | |
408 | @retval EFI_TIMEOUT The time out occurred.\r | |
409 | \r | |
410 | **/\r | |
411 | EFI_STATUS\r | |
412 | XhcWaitOpRegBit (\r | |
413 | IN USB_XHCI_DEV *Xhc,\r | |
414 | IN UINT32 Offset,\r | |
415 | IN UINT32 Bit,\r | |
416 | IN BOOLEAN WaitToSet,\r | |
417 | IN UINT32 Timeout\r | |
418 | );\r | |
419 | \r | |
420 | /**\r | |
421 | Read XHCI runtime register.\r | |
422 | \r | |
423 | @param Xhc The XHCI device.\r | |
424 | @param Offset The offset of the runtime register.\r | |
425 | \r | |
426 | @return The register content read\r | |
427 | \r | |
428 | **/\r | |
429 | UINT32\r | |
430 | XhcReadRuntimeReg (\r | |
431 | IN USB_XHCI_DEV *Xhc,\r | |
432 | IN UINT32 Offset\r | |
433 | );\r | |
434 | \r | |
435 | /**\r | |
436 | Write the data to the XHCI runtime register.\r | |
437 | \r | |
438 | @param Xhc The XHCI device.\r | |
439 | @param Offset The offset of the runtime register.\r | |
440 | @param Data The data to write.\r | |
441 | \r | |
442 | **/\r | |
443 | VOID\r | |
444 | XhcWriteRuntimeReg (\r | |
445 | IN USB_XHCI_DEV *Xhc,\r | |
446 | IN UINT32 Offset,\r | |
447 | IN UINT32 Data\r | |
448 | );\r | |
449 | \r | |
450 | /**\r | |
451 | Set one bit of the runtime register while keeping other bits.\r | |
452 | \r | |
453 | @param Xhc The XHCI device.\r | |
454 | @param Offset The offset of the runtime register.\r | |
455 | @param Bit The bit mask of the register to set.\r | |
456 | \r | |
457 | **/\r | |
458 | VOID\r | |
459 | XhcSetRuntimeRegBit (\r | |
460 | IN USB_XHCI_DEV *Xhc,\r | |
461 | IN UINT32 Offset,\r | |
462 | IN UINT32 Bit\r | |
463 | );\r | |
464 | \r | |
465 | /**\r | |
466 | Clear one bit of the runtime register while keeping other bits.\r | |
467 | \r | |
468 | @param Xhc The XHCI device.\r | |
469 | @param Offset The offset of the runtime register.\r | |
470 | @param Bit The bit mask of the register to set.\r | |
471 | \r | |
472 | **/\r | |
473 | VOID\r | |
474 | XhcClearRuntimeRegBit (\r | |
475 | IN USB_XHCI_DEV *Xhc,\r | |
476 | IN UINT32 Offset,\r | |
477 | IN UINT32 Bit\r | |
478 | );\r | |
479 | \r | |
480 | /**\r | |
481 | Whether the XHCI host controller is halted.\r | |
482 | \r | |
483 | @param Xhc The XHCI device.\r | |
484 | \r | |
485 | @retval TRUE The controller is halted.\r | |
486 | @retval FALSE It isn't halted.\r | |
487 | \r | |
488 | **/\r | |
489 | BOOLEAN\r | |
490 | XhcIsHalt (\r | |
491 | IN USB_XHCI_DEV *Xhc\r | |
492 | );\r | |
493 | \r | |
494 | /**\r | |
495 | Whether system error occurred.\r | |
496 | \r | |
497 | @param Xhc The XHCI device.\r | |
498 | \r | |
499 | @retval TRUE System error happened.\r | |
500 | @retval FALSE No system error.\r | |
501 | \r | |
502 | **/\r | |
503 | BOOLEAN\r | |
504 | XhcIsSysError (\r | |
505 | IN USB_XHCI_DEV *Xhc\r | |
506 | );\r | |
507 | \r | |
508 | /**\r | |
509 | Reset the XHCI host controller.\r | |
510 | \r | |
511 | @param Xhc The XHCI device.\r | |
512 | @param Timeout Time to wait before abort (in millisecond, ms).\r | |
513 | \r | |
514 | @retval EFI_SUCCESS The XHCI host controller is reset.\r | |
515 | @return Others Failed to reset the XHCI before Timeout.\r | |
516 | \r | |
517 | **/\r | |
518 | EFI_STATUS\r | |
519 | XhcResetHC (\r | |
520 | IN USB_XHCI_DEV *Xhc,\r | |
521 | IN UINT32 Timeout\r | |
522 | );\r | |
523 | \r | |
524 | /**\r | |
525 | Halt the XHCI host controller.\r | |
526 | \r | |
527 | @param Xhc The XHCI device.\r | |
528 | @param Timeout Time to wait before abort (in millisecond, ms).\r | |
529 | \r | |
530 | @return EFI_SUCCESS The XHCI host controller is halt.\r | |
531 | @return EFI_TIMEOUT Failed to halt the XHCI before Timeout.\r | |
532 | \r | |
533 | **/\r | |
534 | EFI_STATUS\r | |
535 | XhcHaltHC (\r | |
536 | IN USB_XHCI_DEV *Xhc,\r | |
537 | IN UINT32 Timeout\r | |
538 | );\r | |
539 | \r | |
540 | /**\r | |
541 | Set the XHCI host controller to run.\r | |
542 | \r | |
543 | @param Xhc The XHCI device.\r | |
544 | @param Timeout Time to wait before abort (in millisecond, ms).\r | |
545 | \r | |
546 | @return EFI_SUCCESS The XHCI host controller is running.\r | |
547 | @return EFI_TIMEOUT Failed to set the XHCI to run before Timeout.\r | |
548 | \r | |
549 | **/\r | |
550 | EFI_STATUS\r | |
551 | XhcRunHC (\r | |
552 | IN USB_XHCI_DEV *Xhc,\r | |
553 | IN UINT32 Timeout\r | |
554 | );\r | |
555 | \r | |
556 | /**\r | |
557 | Calculate the XHCI legacy support capability register offset.\r | |
558 | \r | |
559 | @param Xhc The XHCI device.\r | |
560 | \r | |
561 | @return The offset of XHCI legacy support capability register.\r | |
562 | \r | |
563 | **/\r | |
564 | UINT32\r | |
565 | XhcGetLegSupCapAddr (\r | |
566 | IN USB_XHCI_DEV *Xhc\r | |
567 | );\r | |
568 | \r | |
569 | #endif\r |