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4b1bf81c | 1 | /** @file\r |
2 | Private Header file for Usb Host Controller PEIM\r | |
3 | \r | |
d1102dba LG |
4 | Copyright (c) 2010 - 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 | #ifndef _EFI_EHCI_MEM_H_\r | |
11 | #define _EFI_EHCI_MEM_H_\r | |
12 | \r | |
13 | #include <Uefi.h>\r | |
14 | #include <IndustryStandard/Pci22.h>\r | |
15 | \r | |
16 | #define USB_HC_BIT(a) ((UINTN)(1 << (a)))\r | |
17 | \r | |
18 | #define USB_HC_BIT_IS_SET(Data, Bit) \\r | |
19 | ((BOOLEAN)(((Data) & USB_HC_BIT(Bit)) == USB_HC_BIT(Bit)))\r | |
20 | \r | |
21 | #define USB_HC_HIGH_32BIT(Addr64) \\r | |
22 | ((UINT32)(RShiftU64((UINTN)(Addr64), 32) & 0XFFFFFFFF))\r | |
23 | \r | |
24 | typedef struct _USBHC_MEM_BLOCK USBHC_MEM_BLOCK;\r | |
25 | \r | |
26 | struct _USBHC_MEM_BLOCK {\r | |
27 | UINT8 *Bits; // Bit array to record which unit is allocated\r | |
d1102dba | 28 | UINTN BitsLen;\r |
4b1bf81c | 29 | UINT8 *Buf;\r |
30 | UINT8 *BufHost;\r | |
31 | UINTN BufLen; // Memory size in bytes\r | |
d1102dba | 32 | VOID *Mapping;\r |
4b1bf81c | 33 | USBHC_MEM_BLOCK *Next;\r |
34 | };\r | |
35 | \r | |
36 | //\r | |
d1102dba | 37 | // USBHC_MEM_POOL is used to manage the memory used by USB\r |
4b1bf81c | 38 | // host controller. EHCI requires the control memory and transfer\r |
d1102dba | 39 | // data to be on the same 4G memory.\r |
4b1bf81c | 40 | //\r |
41 | typedef struct _USBHC_MEM_POOL {\r | |
d1102dba LG |
42 | BOOLEAN Check4G;\r |
43 | UINT32 Which4G;\r | |
4b1bf81c | 44 | USBHC_MEM_BLOCK *Head;\r |
45 | } USBHC_MEM_POOL;\r | |
46 | \r | |
47 | //\r | |
48 | // Memory allocation unit, must be 2^n, n>4\r | |
49 | //\r | |
50 | #define USBHC_MEM_UNIT 64\r | |
51 | \r | |
52 | #define USBHC_MEM_UNIT_MASK (USBHC_MEM_UNIT - 1)\r | |
53 | #define USBHC_MEM_DEFAULT_PAGES 16\r | |
54 | \r | |
55 | #define USBHC_MEM_ROUND(Len) (((Len) + USBHC_MEM_UNIT_MASK) & (~USBHC_MEM_UNIT_MASK))\r | |
56 | \r | |
57 | //\r | |
58 | // Advance the byte and bit to the next bit, adjust byte accordingly.\r | |
59 | //\r | |
60 | #define NEXT_BIT(Byte, Bit) \\r | |
61 | do { \\r | |
62 | (Bit)++; \\r | |
63 | if ((Bit) > 7) { \\r | |
64 | (Byte)++; \\r | |
65 | (Bit) = 0; \\r | |
66 | } \\r | |
d1102dba | 67 | } while (0)\r |
4b1bf81c | 68 | \r |
69 | \r | |
2c656af0 SZ |
70 | /**\r |
71 | Calculate the corresponding pci bus address according to the Mem parameter.\r | |
72 | \r | |
73 | @param Pool The memory pool of the host controller.\r | |
74 | @param Mem The pointer to host memory.\r | |
75 | @param Size The size of the memory region.\r | |
76 | \r | |
77 | @return the pci memory address\r | |
78 | **/\r | |
79 | EFI_PHYSICAL_ADDRESS\r | |
80 | UsbHcGetPciAddressForHostMem (\r | |
81 | IN USBHC_MEM_POOL *Pool,\r | |
82 | IN VOID *Mem,\r | |
83 | IN UINTN Size\r | |
84 | );\r | |
85 | \r | |
4b1bf81c | 86 | #endif\r |