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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 | |
a9292c13 | 74 | typedef struct {\r |
75 | UINT8 MaxSlots; // Number of Device Slots\r | |
76 | UINT16 MaxIntrs:11; // Number of Interrupters\r | |
77 | UINT16 Rsvd:5;\r | |
78 | UINT8 MaxPorts; // Number of Ports\r | |
79 | } HCSPARAMS1;\r | |
80 | \r | |
92870c98 | 81 | //\r |
82 | // Structural Parameters 1 Register Bitmap Definition\r | |
83 | //\r | |
a9292c13 | 84 | typedef union {\r |
85 | UINT32 Dword;\r | |
86 | HCSPARAMS1 Data;\r | |
92870c98 | 87 | } XHC_HCSPARAMS1;\r |
88 | \r | |
a9292c13 | 89 | typedef struct {\r |
90 | UINT32 Ist:4; // Isochronous Scheduling Threshold\r | |
91 | UINT32 Erst:4; // Event Ring Segment Table Max\r | |
92 | UINT32 Rsvd:13;\r | |
93 | UINT32 ScratchBufHi:5; // Max Scratchpad Buffers Hi\r | |
94 | UINT32 Spr:1; // Scratchpad Restore\r | |
95 | UINT32 ScratchBufLo:5; // Max Scratchpad Buffers Lo\r | |
96 | } HCSPARAMS2;\r | |
97 | \r | |
92870c98 | 98 | //\r |
99 | // Structural Parameters 2 Register Bitmap Definition\r | |
100 | //\r | |
a9292c13 | 101 | typedef union {\r |
102 | UINT32 Dword;\r | |
103 | HCSPARAMS2 Data;\r | |
92870c98 | 104 | } XHC_HCSPARAMS2;\r |
105 | \r | |
a9292c13 | 106 | typedef struct {\r |
107 | UINT16 Ac64:1; // 64-bit Addressing Capability\r | |
108 | UINT16 Bnc:1; // BW Negotiation Capability\r | |
109 | UINT16 Csz:1; // Context Size\r | |
110 | UINT16 Ppc:1; // Port Power Control\r | |
111 | UINT16 Pind:1; // Port Indicators\r | |
112 | UINT16 Lhrc:1; // Light HC Reset Capability\r | |
113 | UINT16 Ltc:1; // Latency Tolerance Messaging Capability\r | |
114 | UINT16 Nss:1; // No Secondary SID Support\r | |
115 | UINT16 Pae:1; // Parse All Event Data\r | |
116 | UINT16 Rsvd:3;\r | |
117 | UINT16 MaxPsaSize:4; // Maximum Primary Stream Array Size\r | |
118 | UINT16 ExtCapReg; // xHCI Extended Capabilities Pointer\r | |
119 | } HCCPARAMS;\r | |
120 | \r | |
92870c98 | 121 | //\r |
122 | // Capability Parameters Register Bitmap Definition\r | |
123 | //\r | |
a9292c13 | 124 | typedef union {\r |
125 | UINT32 Dword;\r | |
126 | HCCPARAMS Data;\r | |
92870c98 | 127 | } XHC_HCCPARAMS;\r |
128 | \r | |
129 | #pragma pack ()\r | |
130 | \r | |
131 | //\r | |
132 | // Register Bit Definition\r | |
133 | //\r | |
134 | #define XHC_USBCMD_RUN BIT0 // Run/Stop\r | |
135 | #define XHC_USBCMD_RESET BIT1 // Host Controller Reset\r | |
136 | #define XHC_USBCMD_INTE BIT2 // Interrupter Enable\r | |
137 | #define XHC_USBCMD_HSEE BIT3 // Host System Error Enable\r | |
138 | \r | |
139 | #define XHC_USBSTS_HALT BIT0 // Host Controller Halted\r | |
140 | #define XHC_USBSTS_HSE BIT2 // Host System Error\r | |
141 | #define XHC_USBSTS_EINT BIT3 // Event Interrupt\r | |
142 | #define XHC_USBSTS_PCD BIT4 // Port Change Detect\r | |
143 | #define XHC_USBSTS_SSS BIT8 // Save State Status\r | |
144 | #define XHC_USBSTS_RSS BIT9 // Restore State Status\r | |
145 | #define XHC_USBSTS_SRE BIT10 // Save/Restore Error\r | |
146 | #define XHC_USBSTS_CNR BIT11 // Host Controller Not Ready\r | |
147 | #define XHC_USBSTS_HCE BIT12 // Host Controller Error\r | |
148 | \r | |
149 | #define XHC_PAGESIZE_MASK 0xFFFF // Page Size\r | |
150 | \r | |
151 | #define XHC_CRCR_RCS BIT0 // Ring Cycle State\r | |
152 | #define XHC_CRCR_CS BIT1 // Command Stop\r | |
153 | #define XHC_CRCR_CA BIT2 // Command Abort\r | |
154 | #define XHC_CRCR_CRR BIT3 // Command Ring Running\r | |
155 | \r | |
156 | #define XHC_CONFIG_MASK 0xFF // Command Ring Running\r | |
157 | \r | |
158 | #define XHC_PORTSC_CCS BIT0 // Current Connect Status\r | |
159 | #define XHC_PORTSC_PED BIT1 // Port Enabled/Disabled\r | |
160 | #define XHC_PORTSC_OCA BIT3 // Over-current Active\r | |
161 | #define XHC_PORTSC_RESET BIT4 // Port Reset\r | |
162 | #define XHC_PORTSC_PLS (BIT5|BIT6|BIT7|BIT8) // Port Link State\r | |
163 | #define XHC_PORTSC_PP BIT9 // Port Power\r | |
164 | #define XHC_PORTSC_PS (BIT10|BIT11|BIT12|BIT13) // Port Speed\r | |
165 | #define XHC_PORTSC_LWS BIT16 // Port Link State Write Strobe\r | |
166 | #define XHC_PORTSC_CSC BIT17 // Connect Status Change\r | |
167 | #define XHC_PORTSC_PEC BIT18 // Port Enabled/Disabled Change\r | |
168 | #define XHC_PORTSC_WRC BIT19 // Warm Port Reset Change\r | |
169 | #define XHC_PORTSC_OCC BIT20 // Over-Current Change\r | |
170 | #define XHC_PORTSC_PRC BIT21 // Port Reset Change\r | |
171 | #define XHC_PORTSC_PLC BIT22 // Port Link State Change\r | |
172 | #define XHC_PORTSC_CEC BIT23 // Port Config Error Change\r | |
173 | #define XHC_PORTSC_CAS BIT24 // Cold Attach Status\r | |
174 | \r | |
175 | #define XHC_IMAN_IP BIT0 // Interrupt Pending\r | |
176 | #define XHC_IMAN_IE BIT1 // Interrupt Enable\r | |
177 | \r | |
178 | #define XHC_IMODI_MASK 0x0000FFFF // Interrupt Moderation Interval\r | |
179 | #define XHC_IMODC_MASK 0xFFFF0000 // Interrupt Moderation Counter\r | |
180 | \r | |
181 | //\r | |
182 | // Structure to map the hardware port states to the\r | |
183 | // UEFI's port states.\r | |
184 | //\r | |
185 | typedef struct {\r | |
186 | UINT32 HwState;\r | |
187 | UINT16 UefiState;\r | |
188 | } USB_PORT_STATE_MAP;\r | |
189 | \r | |
190 | /**\r | |
191 | Read 1-byte width XHCI capability register.\r | |
192 | \r | |
a9292c13 | 193 | @param Xhc The XHCI Instance.\r |
92870c98 | 194 | @param Offset The offset of the 1-byte width capability register.\r |
195 | \r | |
196 | @return The register content read.\r | |
197 | @retval If err, return 0xFFFF.\r | |
198 | \r | |
199 | **/\r | |
200 | UINT8\r | |
201 | XhcReadCapReg8 (\r | |
a9292c13 | 202 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 203 | IN UINT32 Offset\r |
204 | );\r | |
205 | \r | |
206 | /**\r | |
207 | Read 4-bytes width XHCI capability register.\r | |
208 | \r | |
a9292c13 | 209 | @param Xhc The XHCI Instance.\r |
92870c98 | 210 | @param Offset The offset of the 4-bytes width capability register.\r |
211 | \r | |
212 | @return The register content read.\r | |
213 | @retval If err, return 0xFFFFFFFF.\r | |
214 | \r | |
215 | **/\r | |
216 | UINT32\r | |
217 | XhcReadCapReg (\r | |
a9292c13 | 218 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 219 | IN UINT32 Offset\r |
220 | );\r | |
221 | \r | |
222 | /**\r | |
223 | Read 4-bytes width XHCI Operational register.\r | |
224 | \r | |
a9292c13 | 225 | @param Xhc The XHCI Instance.\r |
92870c98 | 226 | @param Offset The offset of the 4-bytes width operational register.\r |
227 | \r | |
228 | @return The register content read.\r | |
229 | @retval If err, return 0xFFFFFFFF.\r | |
230 | \r | |
231 | **/\r | |
232 | UINT32\r | |
233 | XhcReadOpReg (\r | |
a9292c13 | 234 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 235 | IN UINT32 Offset\r |
236 | );\r | |
237 | \r | |
238 | /**\r | |
239 | Write the data to the 4-bytes width XHCI operational register.\r | |
240 | \r | |
a9292c13 | 241 | @param Xhc The XHCI Instance.\r |
92870c98 | 242 | @param Offset The offset of the 4-bytes width operational register.\r |
243 | @param Data The data to write.\r | |
244 | \r | |
245 | **/\r | |
246 | VOID\r | |
247 | XhcWriteOpReg (\r | |
a9292c13 | 248 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 249 | IN UINT32 Offset,\r |
250 | IN UINT32 Data\r | |
251 | );\r | |
252 | \r | |
253 | /**\r | |
254 | Write the data to the 2-bytes width XHCI operational register.\r | |
255 | \r | |
a9292c13 | 256 | @param Xhc The XHCI Instance.\r |
92870c98 | 257 | @param Offset The offset of the 2-bytes width operational register.\r |
258 | @param Data The data to write.\r | |
259 | \r | |
260 | **/\r | |
261 | VOID\r | |
262 | XhcWriteOpReg16 (\r | |
a9292c13 | 263 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 264 | IN UINT32 Offset,\r |
265 | IN UINT16 Data\r | |
266 | );\r | |
267 | \r | |
92870c98 | 268 | /**\r |
269 | Read XHCI runtime register.\r | |
270 | \r | |
a9292c13 | 271 | @param Xhc The XHCI Instance.\r |
92870c98 | 272 | @param Offset The offset of the runtime register.\r |
273 | \r | |
274 | @return The register content read\r | |
275 | \r | |
276 | **/\r | |
277 | UINT32\r | |
278 | XhcReadRuntimeReg (\r | |
a9292c13 | 279 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 280 | IN UINT32 Offset\r |
281 | );\r | |
282 | \r | |
92870c98 | 283 | /**\r |
284 | Write the data to the XHCI runtime register.\r | |
285 | \r | |
a9292c13 | 286 | @param Xhc The XHCI Instance.\r |
92870c98 | 287 | @param Offset The offset of the runtime register.\r |
288 | @param Data The data to write.\r | |
289 | \r | |
290 | **/\r | |
291 | VOID\r | |
292 | XhcWriteRuntimeReg (\r | |
a9292c13 | 293 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 294 | IN UINT32 Offset,\r |
295 | IN UINT32 Data\r | |
296 | );\r | |
297 | \r | |
92870c98 | 298 | /**\r |
299 | Read XHCI door bell register.\r | |
300 | \r | |
a9292c13 | 301 | @param Xhc The XHCI Instance.\r |
92870c98 | 302 | @param Offset The offset of the door bell register.\r |
303 | \r | |
304 | @return The register content read\r | |
305 | \r | |
306 | **/\r | |
307 | UINT32\r | |
308 | XhcReadDoorBellReg (\r | |
a9292c13 | 309 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 310 | IN UINT32 Offset\r |
311 | );\r | |
312 | \r | |
313 | /**\r | |
314 | Write the data to the XHCI door bell register.\r | |
315 | \r | |
a9292c13 | 316 | @param Xhc The XHCI Instance.\r |
92870c98 | 317 | @param Offset The offset of the door bell register.\r |
318 | @param Data The data to write.\r | |
319 | \r | |
320 | **/\r | |
321 | VOID\r | |
322 | XhcWriteDoorBellReg (\r | |
a9292c13 | 323 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 324 | IN UINT32 Offset,\r |
325 | IN UINT32 Data\r | |
326 | );\r | |
327 | \r | |
328 | /**\r | |
329 | Set one bit of the operational register while keeping other bits.\r | |
330 | \r | |
a9292c13 | 331 | @param Xhc The XHCI Instance.\r |
92870c98 | 332 | @param Offset The offset of the operational register.\r |
333 | @param Bit The bit mask of the register to set.\r | |
334 | \r | |
335 | **/\r | |
336 | VOID\r | |
337 | XhcSetOpRegBit (\r | |
a9292c13 | 338 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 339 | IN UINT32 Offset,\r |
340 | IN UINT32 Bit\r | |
341 | );\r | |
342 | \r | |
343 | /**\r | |
344 | Clear one bit of the operational register while keeping other bits.\r | |
345 | \r | |
a9292c13 | 346 | @param Xhc The XHCI Instance.\r |
92870c98 | 347 | @param Offset The offset of the operational register.\r |
348 | @param Bit The bit mask of the register to clear.\r | |
349 | \r | |
350 | **/\r | |
351 | VOID\r | |
352 | XhcClearOpRegBit (\r | |
a9292c13 | 353 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 354 | IN UINT32 Offset,\r |
355 | IN UINT32 Bit\r | |
356 | );\r | |
357 | \r | |
358 | /**\r | |
359 | Wait the operation register's bit as specified by Bit\r | |
360 | to be set (or clear).\r | |
361 | \r | |
a9292c13 | 362 | @param Xhc The XHCI Instance.\r |
92870c98 | 363 | @param Offset The offset of the operational register.\r |
364 | @param Bit The bit of the register to wait for.\r | |
365 | @param WaitToSet Wait the bit to set or clear.\r | |
366 | @param Timeout The time to wait before abort (in millisecond, ms).\r | |
367 | \r | |
368 | @retval EFI_SUCCESS The bit successfully changed by host controller.\r | |
369 | @retval EFI_TIMEOUT The time out occurred.\r | |
370 | \r | |
371 | **/\r | |
372 | EFI_STATUS\r | |
373 | XhcWaitOpRegBit (\r | |
a9292c13 | 374 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 375 | IN UINT32 Offset,\r |
376 | IN UINT32 Bit,\r | |
377 | IN BOOLEAN WaitToSet,\r | |
378 | IN UINT32 Timeout\r | |
379 | );\r | |
380 | \r | |
381 | /**\r | |
382 | Read XHCI runtime register.\r | |
383 | \r | |
a9292c13 | 384 | @param Xhc The XHCI Instance.\r |
92870c98 | 385 | @param Offset The offset of the runtime register.\r |
386 | \r | |
387 | @return The register content read\r | |
388 | \r | |
389 | **/\r | |
390 | UINT32\r | |
391 | XhcReadRuntimeReg (\r | |
a9292c13 | 392 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 393 | IN UINT32 Offset\r |
394 | );\r | |
395 | \r | |
396 | /**\r | |
397 | Write the data to the XHCI runtime register.\r | |
398 | \r | |
a9292c13 | 399 | @param Xhc The XHCI Instance.\r |
92870c98 | 400 | @param Offset The offset of the runtime register.\r |
401 | @param Data The data to write.\r | |
402 | \r | |
403 | **/\r | |
404 | VOID\r | |
405 | XhcWriteRuntimeReg (\r | |
a9292c13 | 406 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 407 | IN UINT32 Offset,\r |
408 | IN UINT32 Data\r | |
409 | );\r | |
410 | \r | |
411 | /**\r | |
412 | Set one bit of the runtime register while keeping other bits.\r | |
413 | \r | |
a9292c13 | 414 | @param Xhc The XHCI Instance.\r |
92870c98 | 415 | @param Offset The offset of the runtime register.\r |
416 | @param Bit The bit mask of the register to set.\r | |
417 | \r | |
418 | **/\r | |
419 | VOID\r | |
420 | XhcSetRuntimeRegBit (\r | |
a9292c13 | 421 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 422 | IN UINT32 Offset,\r |
423 | IN UINT32 Bit\r | |
424 | );\r | |
425 | \r | |
426 | /**\r | |
427 | Clear one bit of the runtime register while keeping other bits.\r | |
428 | \r | |
a9292c13 | 429 | @param Xhc The XHCI Instance.\r |
92870c98 | 430 | @param Offset The offset of the runtime register.\r |
431 | @param Bit The bit mask of the register to set.\r | |
432 | \r | |
433 | **/\r | |
434 | VOID\r | |
435 | XhcClearRuntimeRegBit (\r | |
a9292c13 | 436 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 437 | IN UINT32 Offset,\r |
438 | IN UINT32 Bit\r | |
439 | );\r | |
440 | \r | |
441 | /**\r | |
442 | Whether the XHCI host controller is halted.\r | |
443 | \r | |
a9292c13 | 444 | @param Xhc The XHCI Instance.\r |
92870c98 | 445 | \r |
446 | @retval TRUE The controller is halted.\r | |
447 | @retval FALSE It isn't halted.\r | |
448 | \r | |
449 | **/\r | |
450 | BOOLEAN\r | |
451 | XhcIsHalt (\r | |
a9292c13 | 452 | IN USB_XHCI_INSTANCE *Xhc\r |
92870c98 | 453 | );\r |
454 | \r | |
455 | /**\r | |
456 | Whether system error occurred.\r | |
457 | \r | |
a9292c13 | 458 | @param Xhc The XHCI Instance.\r |
92870c98 | 459 | \r |
460 | @retval TRUE System error happened.\r | |
461 | @retval FALSE No system error.\r | |
462 | \r | |
463 | **/\r | |
464 | BOOLEAN\r | |
465 | XhcIsSysError (\r | |
a9292c13 | 466 | IN USB_XHCI_INSTANCE *Xhc\r |
92870c98 | 467 | );\r |
468 | \r | |
469 | /**\r | |
470 | Reset the XHCI host controller.\r | |
471 | \r | |
a9292c13 | 472 | @param Xhc The XHCI Instance.\r |
92870c98 | 473 | @param Timeout Time to wait before abort (in millisecond, ms).\r |
474 | \r | |
475 | @retval EFI_SUCCESS The XHCI host controller is reset.\r | |
476 | @return Others Failed to reset the XHCI before Timeout.\r | |
477 | \r | |
478 | **/\r | |
479 | EFI_STATUS\r | |
480 | XhcResetHC (\r | |
a9292c13 | 481 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 482 | IN UINT32 Timeout\r |
483 | );\r | |
484 | \r | |
485 | /**\r | |
486 | Halt the XHCI host controller.\r | |
487 | \r | |
a9292c13 | 488 | @param Xhc The XHCI Instance.\r |
92870c98 | 489 | @param Timeout Time to wait before abort (in millisecond, ms).\r |
490 | \r | |
491 | @return EFI_SUCCESS The XHCI host controller is halt.\r | |
492 | @return EFI_TIMEOUT Failed to halt the XHCI before Timeout.\r | |
493 | \r | |
494 | **/\r | |
495 | EFI_STATUS\r | |
496 | XhcHaltHC (\r | |
a9292c13 | 497 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 498 | IN UINT32 Timeout\r |
499 | );\r | |
500 | \r | |
501 | /**\r | |
502 | Set the XHCI host controller to run.\r | |
503 | \r | |
a9292c13 | 504 | @param Xhc The XHCI Instance.\r |
92870c98 | 505 | @param Timeout Time to wait before abort (in millisecond, ms).\r |
506 | \r | |
507 | @return EFI_SUCCESS The XHCI host controller is running.\r | |
508 | @return EFI_TIMEOUT Failed to set the XHCI to run before Timeout.\r | |
509 | \r | |
510 | **/\r | |
511 | EFI_STATUS\r | |
512 | XhcRunHC (\r | |
a9292c13 | 513 | IN USB_XHCI_INSTANCE *Xhc,\r |
92870c98 | 514 | IN UINT32 Timeout\r |
515 | );\r | |
516 | \r | |
517 | /**\r | |
518 | Calculate the XHCI legacy support capability register offset.\r | |
519 | \r | |
a9292c13 | 520 | @param Xhc The XHCI Instance.\r |
92870c98 | 521 | \r |
522 | @return The offset of XHCI legacy support capability register.\r | |
523 | \r | |
524 | **/\r | |
525 | UINT32\r | |
526 | XhcGetLegSupCapAddr (\r | |
a9292c13 | 527 | IN USB_XHCI_INSTANCE *Xhc\r |
92870c98 | 528 | );\r |
529 | \r | |
530 | #endif\r |