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4b1bf81c | 1 | /** @file\r |
0dbaba42 | 2 | Common Library for PEI USB.\r |
4b1bf81c | 3 | \r |
d1102dba LG |
4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
5 | \r | |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
4b1bf81c | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "UsbPeim.h"\r | |
11 | #include "PeiUsbLib.h"\r | |
12 | \r | |
4b1bf81c | 13 | /**\r |
14 | Clear a given usb feature.\r | |
15 | \r | |
16 | @param PeiServices General-purpose services that are available to every PEIM.\r | |
17 | @param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.\r | |
18 | @param Recipient The recipient of ClearFeature Request, should be one of Device/Interface/Endpoint.\r | |
19 | @param Value Request Value.\r | |
20 | @param Target Request Index.\r | |
21 | \r | |
22 | @retval EFI_SUCCESS Usb feature is cleared successfully.\r | |
23 | @retval EFI_DEVICE_ERROR Cannot clear the usb feature due to a hardware error.\r | |
24 | @retval Others Other failure occurs.\r | |
25 | \r | |
26 | **/\r | |
27 | EFI_STATUS\r | |
28 | PeiUsbClearDeviceFeature (\r | |
1436aea4 MK |
29 | IN EFI_PEI_SERVICES **PeiServices,\r |
30 | IN PEI_USB_IO_PPI *UsbIoPpi,\r | |
31 | IN EFI_USB_RECIPIENT Recipient,\r | |
32 | IN UINT16 Value,\r | |
33 | IN UINT16 Target\r | |
4b1bf81c | 34 | )\r |
35 | {\r | |
36 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
37 | \r | |
38 | ASSERT (UsbIoPpi != NULL);\r | |
39 | \r | |
40 | switch (Recipient) {\r | |
1436aea4 MK |
41 | case EfiUsbDevice:\r |
42 | DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_D;\r | |
43 | break;\r | |
4b1bf81c | 44 | \r |
1436aea4 MK |
45 | case EfiUsbInterface:\r |
46 | DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_I;\r | |
47 | break;\r | |
4b1bf81c | 48 | \r |
1436aea4 MK |
49 | case EfiUsbEndpoint:\r |
50 | DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_E;\r | |
51 | break;\r | |
4b1bf81c | 52 | }\r |
53 | \r | |
1436aea4 MK |
54 | DevReq.Request = USB_DEV_CLEAR_FEATURE;\r |
55 | DevReq.Value = Value;\r | |
56 | DevReq.Index = Target;\r | |
57 | DevReq.Length = 0;\r | |
4b1bf81c | 58 | \r |
59 | return UsbIoPpi->UsbControlTransfer (\r | |
60 | PeiServices,\r | |
61 | UsbIoPpi,\r | |
62 | &DevReq,\r | |
63 | EfiUsbNoData,\r | |
64 | PcdGet32 (PcdUsbTransferTimeoutValue),\r | |
65 | NULL,\r | |
66 | 0\r | |
67 | );\r | |
68 | }\r | |
69 | \r | |
4b1bf81c | 70 | /**\r |
71 | Clear Endpoint Halt.\r | |
72 | \r | |
73 | @param PeiServices General-purpose services that are available to every PEIM.\r | |
74 | @param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.\r | |
75 | @param EndpointAddress The endpoint address.\r | |
76 | \r | |
77 | @retval EFI_SUCCESS Endpoint halt is cleared successfully.\r | |
78 | @retval EFI_DEVICE_ERROR Cannot clear the endpoint halt status due to a hardware error.\r | |
79 | @retval Others Other failure occurs.\r | |
80 | \r | |
81 | **/\r | |
82 | EFI_STATUS\r | |
83 | PeiUsbClearEndpointHalt (\r | |
1436aea4 MK |
84 | IN EFI_PEI_SERVICES **PeiServices,\r |
85 | IN PEI_USB_IO_PPI *UsbIoPpi,\r | |
86 | IN UINT8 EndpointAddress\r | |
4b1bf81c | 87 | )\r |
88 | {\r | |
506560e7 SZ |
89 | EFI_STATUS Status;\r |
90 | EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDesc;\r | |
91 | EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;\r | |
92 | UINT8 EndpointIndex;\r | |
4b1bf81c | 93 | \r |
506560e7 SZ |
94 | //\r |
95 | // Check its interface\r | |
96 | //\r | |
97 | Status = UsbIoPpi->UsbGetInterfaceDescriptor (\r | |
1436aea4 MK |
98 | PeiServices,\r |
99 | UsbIoPpi,\r | |
100 | &InterfaceDesc\r | |
101 | );\r | |
506560e7 SZ |
102 | if (EFI_ERROR (Status)) {\r |
103 | return Status;\r | |
104 | }\r | |
1436aea4 | 105 | \r |
506560e7 | 106 | for (EndpointIndex = 0; EndpointIndex < InterfaceDesc->NumEndpoints; EndpointIndex++) {\r |
4b1bf81c | 107 | Status = UsbIoPpi->UsbGetEndpointDescriptor (PeiServices, UsbIoPpi, EndpointIndex, &EndpointDescriptor);\r |
108 | if (EFI_ERROR (Status)) {\r | |
109 | return EFI_INVALID_PARAMETER;\r | |
110 | }\r | |
111 | \r | |
112 | if (EndpointDescriptor->EndpointAddress == EndpointAddress) {\r | |
113 | break;\r | |
114 | }\r | |
4b1bf81c | 115 | }\r |
116 | \r | |
506560e7 | 117 | if (EndpointIndex == InterfaceDesc->NumEndpoints) {\r |
4b1bf81c | 118 | return EFI_INVALID_PARAMETER;\r |
119 | }\r | |
120 | \r | |
121 | Status = PeiUsbClearDeviceFeature (\r | |
1436aea4 MK |
122 | PeiServices,\r |
123 | UsbIoPpi,\r | |
124 | EfiUsbEndpoint,\r | |
125 | EfiUsbEndpointHalt,\r | |
126 | EndpointAddress\r | |
127 | );\r | |
4b1bf81c | 128 | \r |
4b1bf81c | 129 | return Status;\r |
130 | }\r |