1 /** @file
2   Defines the USB Host Controller PPI that provides I/O services for a USB Host
3   Controller that may be used to access recovery devices.  These interfaces are
4   modeled on the UEFI 2.3 specification EFI_USB2_HOST_CONTROLLER_PROTOCOL.
5   Refer to section 16.1 of the UEFI 2.3 Specification for more information on
6   these interfaces.
7 
8 Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved. <BR>
9 
10 This program and the accompanying materials
11 are licensed and made available under the terms and conditions
12 of the BSD License which accompanies this distribution.  The
13 full text of the license may be found at
14 http://opensource.org/licenses/bsd-license.php
15 
16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 
19 **/
20 
21 #ifndef _PEI_USB2_HOST_CONTROLLER_PPI_H_
22 #define _PEI_USB2_HOST_CONTROLLER_PPI_H_
23 
24 #include <Protocol/Usb2HostController.h>
25 
26 ///
27 /// Global ID for the PEI_USB2_HOST_CONTROLLER_PPI.
28 ///
29 #define PEI_USB2_HOST_CONTROLLER_PPI_GUID \
30   { \
31     0xa7d09fe1, 0x74d4, 0x4ba5, { 0x84, 0x7c, 0x12, 0xed, 0x5b, 0x19, 0xad, 0xe4 } \
32   }
33 
34 ///
35 /// Forward declaration for the PEI_USB2_HOST_CONTROLLER_PPI.
36 ///
37 typedef struct _PEI_USB2_HOST_CONTROLLER_PPI PEI_USB2_HOST_CONTROLLER_PPI;
38 
39 /**
40   Initiate a USB control transfer using a specific USB Host controller on the USB bus.
41 
42   @param[in]     PeiServices           The pointer to the PEI Services Table.
43   @param[in]     This                  The pointer to this instance of the
44                                        PEI_USB2_HOST_CONTROLLER_PPI.
45   @param[in]     DeviceAddress         Represents the address of the target device
46                                        on the USB.
47   @param[in]     DeviceSpeed           Indicates device speed.
48   @param[in]     MaximumPacketLength   Indicates the maximum packet size that the
49                                        default control transfer
50                                        endpoint is capable of sending or receiving.
51   @param[in]     Request               A pointer to the USB device request that
52                                        will be sent to the USB device.
53   @param[in]     TransferDirection     Specifies the data direction for the transfer.
54                                        There are three values available:
55                                        EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.
56   @param[in,out] Data                  A pointer to the buffer of data that will
57                                        be transmitted to USB device or
58                                        received from USB device.
59   @param[in,out] DataLength            On input, indicates the size, in bytes, of
60                                        the data buffer specified by Data.
61                                        On output, indicates the amount of data
62                                        actually transferred.
63   @param[in]     TimeOut               Indicates the maximum time, in milliseconds,
64                                        that the transfer is allowed to complete.
65                                        If Timeout is 0, then the caller must wait for
66                                        the function to be completed until EFI_SUCCESS
67                                        or EFI_DEVICE_ERROR is returned.
68   @param[in]     Translator            A pointer to the transaction translator data.
69   @param[out]    TransferResult        A pointer to the detailed result information
70                                        generated by this control transfer.
71 
72   @retval EFI_SUCCESS           The control transfer was completed successfully.
73   @retval EFI_DEVICE_ERROR      The control transfer failed due to host controller
74                                 or device error.
75   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
76   @retval EFI_OUT_OF_RESOURCES  The control transfer could not be completed due to a lack of resources.
77   @retval EFI_TIMEOUT           The control transfer failed due to timeout.
78 
79 
80 **/
81 typedef
82 EFI_STATUS
83 (EFIAPI *PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER)(
84   IN EFI_PEI_SERVICES                         **PeiServices,
85   IN PEI_USB2_HOST_CONTROLLER_PPI             *This,
86   IN     UINT8                                DeviceAddress,
87   IN     UINT8                                DeviceSpeed,
88   IN     UINTN                                MaximumPacketLength,
89   IN     USB_DEVICE_REQUEST                   *Request,
90   IN     EFI_USB_DATA_DIRECTION               TransferDirection,
91   IN OUT VOID                                 *Data OPTIONAL,
92   IN OUT UINTN                                *DataLength OPTIONAL,
93   IN     UINTN                                TimeOut,
94   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR   *Translator,
95   OUT    UINT32                               *TransferResult
96   );
97 
98 /**
99   Initiate a USB bulk transfer using a specific USB Host controller on the USB bus.
100 
101   @param[in]     PeiServices           The pointer to the PEI Services Table.
102   @param[in]     This                  The pointer to this instance of the
103                                        PEI_USB2_HOST_CONTROLLER_PPI.
104   @param[in]     DeviceAddress         Represents the address of the target device
105                                        on the USB.
106   @param[in]     EndPointAddress       The combination of an endpoint number and
107                                        an endpoint direction of the target USB device.
108   @param[in]     DeviceSpeed           Indicates device speed.
109   @param[in]     MaximumPacketLength   Indicates the maximum packet size the target
110                                        endpoint is capable of sending or receiving.
111   @param[in,out] Data                  Array of pointers to the buffers of data
112                                        that will be transmitted to USB device or
113                                        received from USB device.
114   @param[in,out] DataLength            When input, indicates the size, in bytes, of
115                                        the data buffers specified by Data. When output,
116                                        indicates the data size actually transferred.
117   @param[in,out] DataToggle            A pointer to the data toggle value.
118   @param[in]     TimeOut               Indicates the maximum time, in milliseconds,
119                                        in which the transfer is allowed to complete.
120                                        If Timeout is 0, then the caller must wait for
121                                        the function to be completed until EFI_SUCCESS
122                                        or EFI_DEVICE_ERROR is returned.
123   @param[in]     Translator            A pointer to the transaction translator data.
124   @param[out]    TransferResult        A pointer to the detailed result information
125                                        of the bulk transfer.
126 
127   @retval EFI_SUCCESS           The bulk transfer was completed successfully.
128   @retval EFI_DEVICE_ERROR      The bulk transfer failed due to host controller or device error.
129                                 Caller should check TransferResult for detailed error information.
130   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
131   @retval EFI_OUT_OF_RESOURCES  The bulk transfer could not be submitted due to a lack of resources.
132   @retval EFI_TIMEOUT           The bulk transfer failed due to timeout.
133 
134 
135 **/
136 typedef
137 EFI_STATUS
138 (EFIAPI *PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER)(
139   IN     EFI_PEI_SERVICES                    **PeiServices,
140   IN     PEI_USB2_HOST_CONTROLLER_PPI        *This,
141   IN     UINT8                               DeviceAddress,
142   IN     UINT8                               EndPointAddress,
143   IN     UINT8                               DeviceSpeed,
144   IN     UINTN                               MaximumPacketLength,
145   IN OUT VOID                                *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
146   IN OUT UINTN                               *DataLength,
147   IN OUT UINT8                               *DataToggle,
148   IN     UINTN                               TimeOut,
149   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,
150   OUT    UINT32                              *TransferResult
151   );
152 
153 /**
154   Retrieves the number of root hub ports.
155 
156   @param[in]  PeiServices       The pointer to the PEI Services Table.
157   @param[in]  This              The pointer to this instance of the
158                                 PEI_USB2_HOST_CONTROLLER_PPI.
159   @param[out] PortNumber        The pointer to the number of the root hub ports.
160 
161   @retval EFI_SUCCESS           The port number was retrieved successfully.
162   @retval EFI_INVALID_PARAMETER PortNumber is NULL.
163 
164 **/
165 typedef
166 EFI_STATUS
167 (EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER)(
168   IN  EFI_PEI_SERVICES              **PeiServices,
169   IN  PEI_USB2_HOST_CONTROLLER_PPI  *This,
170   OUT UINT8                         *PortNumber
171   );
172 
173 /**
174   Retrieves the current status of a USB root hub port.
175 
176   @param[in]  PeiServices       The pointer to the PEI Services Table.
177   @param[in]  This              The pointer to this instance of the
178                                 PEI_USB2_HOST_CONTROLLER_PPI.
179   @param[in]  PortNumber        Specifies the root hub port from which the status is
180                                 to be retrieved.
181                                 This value is zero based.
182   @param[out] PortStatus        A pointer to the current port status bits and port
183                                 status change bits.
184 
185   @retval EFI_SUCCESS           The status of the USB root hub port specified by
186                                 PortNumber was returned in PortStatus.
187   @retval EFI_INVALID_PARAMETER PortNumber is invalid.
188 
189 **/
190 typedef
191 EFI_STATUS
192 (EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS)(
193   IN  EFI_PEI_SERVICES              **PeiServices,
194   IN  PEI_USB2_HOST_CONTROLLER_PPI  *This,
195   IN  UINT8                         PortNumber,
196   OUT EFI_USB_PORT_STATUS           *PortStatus
197   );
198 
199 /**
200   Sets a feature for the specified root hub port.
201 
202   @param[in] PeiServices        The pointer to the PEI Services Table.
203   @param[in] This               The pointer to this instance of the
204                                 PEI_USB2_HOST_CONTROLLER_PPI.
205   @param[in] PortNumber         Specifies the root hub port whose feature is requested
206                                 to be set. This value is zero based.
207   @param[in] PortFeature        Indicates the feature selector associated with the feature
208                                 set request.
209 
210   @retval EFI_SUCCESS           The feature specified by PortFeature was set for
211                                 the USB root hub port specified by PortNumber.
212   @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid
213                                 for this function.
214   @retval EFI_TIMEOUT           The time out occurred
215 
216 **/
217 typedef
218 EFI_STATUS
219 (EFIAPI *PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE)(
220   IN EFI_PEI_SERVICES               **PeiServices,
221   IN PEI_USB2_HOST_CONTROLLER_PPI   *This,
222   IN UINT8                          PortNumber,
223   IN EFI_USB_PORT_FEATURE           PortFeature
224   );
225 
226 /**
227   Clears a feature for the specified root hub port.
228 
229   @param[in] PeiServices          The pointer to the PEI Services Table.
230   @param[in] This                 The pointer to this instance of the
231                                   PEI_USB2_HOST_CONTROLLER_PPI.
232   @param[in] PortNumber           Specifies the root hub port whose feature is
233                                   requested to be cleared.
234   @param[in] PortFeature          Indicates the feature selector associated with the
235                                   feature clear request.
236 
237   @return EFI_SUCCESS             The feature specified by PortFeature was cleared
238                                   for the USB root hub port specified by PortNumber.
239   @return EFI_INVALID_PARAMETER   PortNumber is invalid or PortFeature is invalid.
240 
241 **/
242 typedef
243 EFI_STATUS
244 (EFIAPI *PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE)(
245   IN EFI_PEI_SERVICES               **PeiServices,
246   IN PEI_USB2_HOST_CONTROLLER_PPI   *This,
247   IN UINT8                          PortNumber,
248   IN EFI_USB_PORT_FEATURE           PortFeature
249   );
250 
251 ///
252 /// This PPI contains a set of services to interact with the USB host controller.
253 /// These interfaces are modeled on the UEFI 2.3 specification protocol
254 /// EFI_USB2_HOST_CONTROLLER_PROTOCOL.  Refer to section 16.1 of the UEFI 2.3
255 /// Specification for more information on these interfaces.
256 ///
257 struct _PEI_USB2_HOST_CONTROLLER_PPI {
258   PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER            ControlTransfer;
259   PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER               BulkTransfer;
260   PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER     GetRootHubPortNumber;
261   PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS     GetRootHubPortStatus;
262   PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE    SetRootHubPortFeature;
263   PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE  ClearRootHubPortFeature;
264 };
265 
266 extern EFI_GUID gPeiUsb2HostControllerPpiGuid;
267 
268 #endif
269 
270