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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) 2006 - 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_USB_HOST_CONTROLLER_PPI_H_
22 #define _PEI_USB_HOST_CONTROLLER_PPI_H_
23 
24 #include <Protocol/Usb2HostController.h>
25 
26 ///
27 /// Global ID for the PEI_USB_HOST_CONTROLLER_PPI.
28 ///
29 #define PEI_USB_HOST_CONTROLLER_PPI_GUID \
30   { \
31     0x652b38a9, 0x77f4, 0x453f, { 0x89, 0xd5, 0xe7, 0xbd, 0xc3, 0x52, 0xfc, 0x53} \
32   }
33 
34 ///
35 /// Forward declaration for the PEI_USB_HOST_CONTROLLER_PPI.
36 ///
37 typedef struct _PEI_USB_HOST_CONTROLLER_PPI PEI_USB_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_USB_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[out]    TransferResult        A pointer to the detailed result information
69                                        generated by this control transfer.
70 
71   @retval EFI_DEVICE_ERROR   The control transfer failed due to host controller
72                              or device error.
73   @retval EFI_SUCCESS        The control transfer was completed successfully.
74 
75 **/
76 typedef
77 EFI_STATUS
78 (EFIAPI *PEI_USB_HOST_CONTROLLER_CONTROL_TRANSFER)(
79   IN EFI_PEI_SERVICES             **PeiServices,
80   IN PEI_USB_HOST_CONTROLLER_PPI  *This,
81   IN     UINT8                    DeviceAddress,
82   IN     UINT8                    DeviceSpeed,
83   IN     UINT8                    MaximumPacketLength,
84   IN     USB_DEVICE_REQUEST       *Request,
85   IN     EFI_USB_DATA_DIRECTION   TransferDirection,
86   IN OUT VOID                     *Data OPTIONAL,
87   IN OUT UINTN                    *DataLength OPTIONAL,
88   IN     UINTN                    TimeOut,
89   OUT    UINT32                   *TransferResult
90   );
91 
92 /**
93   Initiate a USB bulk transfer using a specific USB Host controller on the USB bus.
94 
95   @param[in]     PeiServices           The pointer to the PEI Services Table.
96   @param[in]     This                  The pointer to this instance of the
97                                        PEI_USB_HOST_CONTROLLER_PPI.
98   @param[in]     DeviceAddress         Represents the address of the target device
99                                        on the USB.
100   @param[in]     EndPointAddress       The combination of an endpoint number and
101                                        an endpoint direction of the target USB device.
102   @param[in]     MaximumPacketLength   Indicates the maximum packet size the target
103                                        endpoint is capable of sending or receiving.
104   @param[in,out] Data                  Array of pointers to the buffers of data
105                                        that will be transmitted to USB device or
106                                        received from USB device.
107   @param[in,out] DataLength            When input, indicates the size, in bytes, of
108                                        the data buffers specified by Data. When output,
109                                        indicates the data size actually transferred.
110   @param[in,out] DataToggle            A pointer to the data toggle value.
111   @param[in]     TimeOut               Indicates the maximum time, in milliseconds,
112                                        in which the transfer is allowed to complete.
113                                        If Timeout is 0, then the caller must wait for
114                                        the function to be completed until EFI_SUCCESS
115                                        or EFI_DEVICE_ERROR is returned.
116   @param[out]    TransferResult        A pointer to the detailed result information
117                                        of the bulk transfer.
118 
119   @retval EFI_SUCCESS           The bulk transfer was completed successfully.
120   @retval EFI_DEVICE_ERROR      The bulk transfer failed due to host controller or device error.
121                                 Caller should check TransferResult for detailed error information.
122 
123 **/
124 typedef
125 EFI_STATUS
126 (EFIAPI *PEI_USB_HOST_CONTROLLER_BULK_TRANSFER)(
127   IN     EFI_PEI_SERVICES             **PeiServices,
128   IN     PEI_USB_HOST_CONTROLLER_PPI  *This,
129   IN     UINT8                        DeviceAddress,
130   IN     UINT8                        EndPointAddress,
131   IN     UINT8                        MaximumPacketLength,
132   IN OUT VOID                         *Data,
133   IN OUT UINTN                        *DataLength,
134   IN OUT UINT8                        *DataToggle,
135   IN     UINTN                        TimeOut,
136   OUT    UINT32                       *TransferResult
137   );
138 
139 /**
140   Retrieves the number of root hub ports.
141 
142   @param[in]  PeiServices   The pointer to the PEI Services Table.
143   @param[in]  This          The pointer to this instance of the
144                             PEI_USB_HOST_CONTROLLER_PPI.
145   @param[out] PortNumber    The pointer to the number of the root hub ports.
146 
147   @retval EFI_SUCCESS           The port number was retrieved successfully.
148   @retval EFI_DEVICE_ERROR      An error was encountered while attempting to retrieve
149                                 the port number.
150   @retval EFI_INVALID_PARAMETER PortNumber is NULL.
151 
152 **/
153 typedef
154 EFI_STATUS
155 (EFIAPI *PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER)(
156   IN  EFI_PEI_SERVICES             **PeiServices,
157   IN  PEI_USB_HOST_CONTROLLER_PPI  *This,
158   OUT UINT8                        *PortNumber
159   );
160 
161 /**
162   Retrieves the current status of a USB root hub port.
163 
164   @param[in]  PeiServices   The pointer to the PEI Services Table.
165   @param[in]  This          The pointer to this instance of the
166                             PEI_USB_HOST_CONTROLLER_PPI.
167   @param[in]  PortNumber    Specifies the root hub port from which the status is
168                             to be retrieved.
169                             This value is zero based.
170   @param[out] PortStatus    A pointer to the current port status bits and port
171                             status change bits.
172 
173   @retval EFI_SUCCESS           The status of the USB root hub port specified by
174                                 PortNumber was returned in PortStatus.
175   @retval EFI_INVALID_PARAMETER PortNumber is invalid.
176 
177 **/
178 typedef
179 EFI_STATUS
180 (EFIAPI *PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS)(
181   IN  EFI_PEI_SERVICES             **PeiServices,
182   IN  PEI_USB_HOST_CONTROLLER_PPI  *This,
183   IN  UINT8                        PortNumber,
184   OUT EFI_USB_PORT_STATUS          *PortStatus
185   );
186 
187 /**
188   Sets a feature for the specified root hub port.
189 
190   @param[in] PeiServices   The pointer to the PEI Services Table.
191   @param[in] This          The pointer to this instance of the
192                            PEI_USB_HOST_CONTROLLER_PPI.
193   @param[in] PortNumber    Specifies the root hub port whose feature is requested
194                            to be set. This value is zero based.
195   @param[in] PortFeature   Indicates the feature selector associated with the feature
196                            set request.
197 
198   @retval EFI_SUCCESS           The feature specified by PortFeature was set for
199                                 the USB root hub port specified by PortNumber.
200   @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid
201                                 for this function.
202 
203 **/
204 typedef
205 EFI_STATUS
206 (EFIAPI *PEI_USB_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE)(
207   IN EFI_PEI_SERVICES             **PeiServices,
208   IN PEI_USB_HOST_CONTROLLER_PPI  *This,
209   IN UINT8                        PortNumber,
210   IN EFI_USB_PORT_FEATURE         PortFeature
211   );
212 
213 /**
214   Clears a feature for the specified root hub port.
215 
216   @param[in] PeiServices   The pointer to the PEI Services Table.
217   @param[in] This          The pointer to this instance of the
218                            PEI_USB_HOST_CONTROLLER_PPI.
219   @param[in] PortNumber    Specifies the root hub port whose feature is
220                            requested to be cleared.
221   @param[in] PortFeature   Indicates the feature selector associated with the
222                            feature clear request.
223 
224   @return EFI_SUCCESS             The feature specified by PortFeature was cleared
225                                   for the USB root hub port specified by PortNumber.
226   @return EFI_INVALID_PARAMETER   PortNumber is invalid or PortFeature is invalid.
227   @return EFI_DEVICE_ERROR        Can't read the register.
228 
229 **/
230 typedef
231 EFI_STATUS
232 (EFIAPI *PEI_USB_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE)(
233   IN EFI_PEI_SERVICES             **PeiServices,
234   IN PEI_USB_HOST_CONTROLLER_PPI  *This,
235   IN UINT8                        PortNumber,
236   IN EFI_USB_PORT_FEATURE         PortFeature
237   );
238 
239 ///
240 /// This PPI contains a set of services to interact with the USB host controller.
241 /// These interfaces are modeled on the UEFI 2.3 specification protocol
242 /// EFI_USB2_HOST_CONTROLLER_PROTOCOL.  Refer to section 16.1 of the UEFI 2.3
243 /// Specification for more information on these interfaces.
244 ///
245 struct _PEI_USB_HOST_CONTROLLER_PPI {
246   PEI_USB_HOST_CONTROLLER_CONTROL_TRANSFER            ControlTransfer;
247   PEI_USB_HOST_CONTROLLER_BULK_TRANSFER               BulkTransfer;
248   PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER     GetRootHubPortNumber;
249   PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS     GetRootHubPortStatus;
250   PEI_USB_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE    SetRootHubPortFeature;
251   PEI_USB_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE  ClearRootHubPortFeature;
252 };
253 
254 extern EFI_GUID gPeiUsbHostControllerPpiGuid;
255 
256 #endif
257 
258