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1 | /** @file\r | |
2 | EFI_USB2_HC_PROTOCOL as defined in UEFI 2.0.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation \r | |
5 | All rights reserved. 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 | Module Name: Usb2HostController.h\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef _USB2_HOSTCONTROLLER_H_\r | |
18 | #define _USB2_HOSTCONTROLLER_H_\r | |
19 | \r | |
20 | #define EFI_USB2_HC_PROTOCOL_GUID \\r | |
21 | { \\r | |
22 | 0x3e745226, 0x9818, 0x45b6, {0xa2, 0xac, 0xd7, 0xcd, 0xe, 0x8b, 0xa2, 0xbc } \\r | |
23 | }\r | |
24 | \r | |
25 | //\r | |
26 | // Forward reference for pure ANSI compatability\r | |
27 | //\r | |
28 | typedef struct _EFI_USB2_HC_PROTOCOL EFI_USB2_HC_PROTOCOL;\r | |
29 | \r | |
30 | #define EFI_USB_SPEED_FULL 0x0000 // 12 Mb/s, USB 1.1 OHCI and UHCI HC.\r | |
31 | #define EFI_USB_SPEED_LOW 0x0001 // 1 Mb/s, USB 1.1 OHCI and UHCI HC.\r | |
32 | #define EFI_USB_SPEED_HIGH 0x0002 // 480 Mb/s, USB 2.0 EHCI HC.\r | |
33 | \r | |
34 | typedef struct {\r | |
35 | UINT8 TranslatorHubAddress;\r | |
36 | UINT8 TranslatorPortNumber;\r | |
37 | } EFI_USB2_HC_TRANSACTION_TRANSLATOR;\r | |
38 | \r | |
39 | //\r | |
40 | // Protocol definitions\r | |
41 | //\r | |
42 | \r | |
43 | /**\r | |
44 | Retrieves the Host Controller capabilities.\r | |
45 | \r | |
46 | @param This A pointer to the EFI_USB2_HC_PROTOCOL instance.\r | |
47 | @param MaxSpeed Host controller data transfer speed.\r | |
48 | @param PortNumber Number of the root hub ports.\r | |
49 | @param Is64BitCapable TRUE if controller supports 64-bit memory addressing,\r | |
50 | FALSE otherwise.\r | |
51 | \r | |
52 | @retval EFI_SUCCESS The host controller capabilities were retrieved successfully.\r | |
53 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
54 | @retval EFI_DEVICE_ERROR An error was encountered while attempting to\r | |
55 | retrieve the capabilities.\r | |
56 | \r | |
57 | **/\r | |
58 | typedef\r | |
59 | EFI_STATUS\r | |
60 | (EFIAPI *EFI_USB2_HC_PROTOCOL_GET_CAPABILITY) (\r | |
61 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
62 | OUT UINT8 *MaxSpeed,\r | |
63 | OUT UINT8 *PortNumber,\r | |
64 | OUT UINT8 *Is64BitCapable\r | |
65 | )\r | |
66 | ;\r | |
67 | \r | |
68 | /**\r | |
69 | Provides software reset for the USB host controller.\r | |
70 | \r | |
71 | @param This A pointer to the EFI_USB2_HC_PROTOCOL instance.\r | |
72 | @param Attributes A bit mask of the reset operation to perform.\r | |
73 | \r | |
74 | @retval EFI_SUCCESS The reset operation succeeded.\r | |
75 | @retval EFI_INVALID_PARAMETER Attributes is not valid.\r | |
76 | @retval EFI_UNSUPPORTED The type of reset specified by Attributes is not currently\r | |
77 | supported by the host controller hardware.\r | |
78 | @retval EFI_ACCESS_DENIED Reset operation is rejected due to the debug port being configured\r | |
79 | and active; only EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG or\r | |
80 | EFI_USB_HC_RESET_HOST_WITH_DEBUG reset Attributes can be used to\r | |
81 | perform reset operation for this host controller.\r | |
82 | @retval EFI_DEVICE_ERROR An error was encountered while attempting to\r | |
83 | retrieve the capabilities.\r | |
84 | \r | |
85 | **/\r | |
86 | typedef\r | |
87 | EFI_STATUS\r | |
88 | (EFIAPI *EFI_USB2_HC_PROTOCOL_RESET) (\r | |
89 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
90 | IN UINT16 Attributes\r | |
91 | )\r | |
92 | ;\r | |
93 | \r | |
94 | /**\r | |
95 | Retrieves current state of the USB host controller.\r | |
96 | \r | |
97 | @param This A pointer to the EFI_USB2_HC_PROTOCOL instance.\r | |
98 | @param State A pointer to the EFI_USB_HC_STATE data structure that\r | |
99 | indicates current state of the USB host controller.\r | |
100 | \r | |
101 | @retval EFI_SUCCESS The state information of the host controller was returned in State.\r | |
102 | @retval EFI_INVALID_PARAMETER State is NULL.\r | |
103 | @retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve the\r | |
104 |