projects / mirror_edk2.git / blame
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1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>\r | |
| 4 | \r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef __USB_DEVICE_PROTOCOL_H__\r | |
| 16 | #define __USB_DEVICE_PROTOCOL_H__\r | |
| 17 | \r | |
| 18 | #include <IndustryStandard/Usb.h>\r | |
| 19 | \r | |
| 20 | extern EFI_GUID gUsbDeviceProtocolGuid;\r | |
| 21 | \r | |
| 22 | /*\r | |
| 23 | * Note: This Protocol is just the bare minimum for Android Fastboot. It\r | |
| 24 | * only makes sense for devices that only do Bulk Transfers and only have one\r | |
| 25 | * endpoint.\r | |
| 26 | */\r | |
| 27 | \r | |
| 28 | /*\r | |
| 29 | Callback to be called when data is received.\r | |
| 30 | Buffer is callee-allocated and it's the caller's responsibility to free it with\r | |
| 31 | FreePool.\r | |
| 32 | \r | |
| 33 | @param[in] Size Size in bytes of data.\r | |
| 34 | @param[in] Buffer Pointer to data.\r | |
| 35 | */\r | |
| 36 | typedef\r | |
| 37 | VOID\r | |
| 38 | (*USB_DEVICE_RX_CALLBACK) (\r | |
| 39 | IN UINTN Size,\r | |
| 40 | IN VOID *Buffer\r | |
| 41 | );\r | |
| 42 | \r | |
| 43 | /*\r | |
| 44 | Callback to be called when the host asks for data by sending an IN token\r | |
| 45 | (excluding during the data stage of a control transfer).\r | |
| 46 | When this function is called, data previously buffered by calling Send() has\r | |
| 47 | been sent.\r | |
| 48 | \r | |
| 49 | @param[in]Endpoint Endpoint index, as specified in endpoint descriptors, of\r | |
| 50 | the endpoint the IN token was sent to.\r | |
| 51 | */\r | |
| 52 | typedef\r | |
| 53 | VOID\r | |
| 54 | (*USB_DEVICE_TX_CALLBACK) (\r | |
| 55 | IN UINT8 EndpointIndex\r | |
| 56 | );\r | |
| 57 | \r | |
| 58 | /*\r | |
| 59 | Put data in the Tx buffer to be sent on the next IN token.\r | |
| 60 | Don't call this function again until the TxCallback has been called.\r | |
| 61 | \r | |
| 62 | @param[in]Endpoint Endpoint index, as specified in endpoint descriptors, of\r | |
| 63 | the endpoint to send the data from.\r | |
| 64 | @param[in]Size Size in bytes of data.\r | |
| 65 | @param[in]Buffer Pointer to data.\r | |
| 66 | \r | |
| 67 | @retval EFI_SUCCESS The data was queued successfully.\r | |
| 68 | @retval EFI_INVALID_PARAMETER There was an error sending the data.\r | |
| 69 | */\r | |
| 70 | typedef\r | |
| 71 | EFI_STATUS\r | |
| 72 | (*USB_DEVICE_SEND) (\r | |
| 73 | IN UINT8 EndpointIndex,\r | |
| 74 | IN UINTN Size,\r | |
| 75 | IN CONST VOID *Buffer\r | |
| 76 | );\r | |
| 77 | \r | |
| 78 | /*\r | |
| 79 | Restart the USB peripheral controller and respond to enumeration.\r | |
| 80 | \r | |
| 81 | @param[in] DeviceDescriptor pointer to device descriptor\r | |
| 82 | @param[in] Descriptors Array of pointers to buffers, where\r | |
| 83 | Descriptors[n] contains the response to a\r | |
| 84 | GET_DESCRIPTOR request for configuration n. From\r | |
| 85 | USB Spec section 9.4.3:\r | |
| 86 | "The first interface descriptor follows the\r | |
| 87 | configuration descriptor. The endpoint\r | |
| 88 | descriptors for the first interface follow the\r | |
| 89 | first interface descriptor. If there are\r | |
| 90 | additional interfaces, their interface\r | |
| 91 | descriptor and endpoint descriptors follow the\r | |
| 92 | first interface’s endpoint descriptors".\r | |
| 93 | \r | |
| 94 | The size of each buffer is the TotalLength\r | |
| 95 | member of the Configuration Descriptor.\r | |
| 96 | \r | |
| 97 | The size of the array is\r | |
| 98 | DeviceDescriptor->NumConfigurations.\r | |
| 99 | @param[in]RxCallback See USB_DEVICE_RX_CALLBACK\r | |
| 100 | @param[in]TxCallback See USB_DEVICE_TX_CALLBACK\r | |
| 101 | */\r | |
| 102 | typedef\r | |
| 103 | EFI_STATUS\r | |
| 104 | (*USB_DEVICE_START) (\r | |
| 105 | IN USB_DEVICE_DESCRIPTOR *DeviceDescriptor,\r | |
| 106 | IN VOID **Descriptors,\r | |
| 107 | IN USB_DEVICE_RX_CALLBACK RxCallback,\r | |
| 108 | IN USB_DEVICE_TX_CALLBACK TxCallback\r | |
| 109 | );\r | |
| 110 | \r | |
| 111 | struct _USB_DEVICE_PROTOCOL {\r | |
| 112 | USB_DEVICE_START Start;\r | |
| 113 | USB_DEVICE_SEND Send;\r | |
| 114 | };\r | |
| 115 | \r | |
| 116 | typedef struct _USB_DEVICE_PROTOCOL USB_DEVICE_PROTOCOL;\r | |
| 117 | \r | |
| 118 | #endif //ifndef __USB_DEVICE_PROTOCOL_H__\r |