| [3515533] | 1 | /*
|
|---|
| 2 | * Copyright (c) 2010 Jan Vesely
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| [58563585] | 28 |
|
|---|
| [c8ea6eca] | 29 | /** @addtogroup drvusbuhci
|
|---|
| [3515533] | 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | * @brief UHCI driver
|
|---|
| 34 | */
|
|---|
| [58563585] | 35 |
|
|---|
| [23f40280] | 36 | #ifndef DRV_UHCI_HW_STRUCT_LINK_POINTER_H
|
|---|
| 37 | #define DRV_UHCI_HW_STRUCT_LINK_POINTER_H
|
|---|
| [3515533] | 38 |
|
|---|
| [8d2dd7f2] | 39 | #include <stdint.h>
|
|---|
| [8064c2f6] | 40 |
|
|---|
| [5d915b7] | 41 | /** UHCI link pointer, used by many data structures */
|
|---|
| [bae9e76] | 42 | typedef uint32_t link_pointer_t;
|
|---|
| 43 |
|
|---|
| [d5f7a8ab] | 44 | #define LINK_POINTER_TERMINATE_FLAG (1 << 0)
|
|---|
| 45 | #define LINK_POINTER_QUEUE_HEAD_FLAG (1 << 1)
|
|---|
| 46 | #define LINK_POINTER_ZERO_BIT_FLAG (1 << 2)
|
|---|
| 47 | #define LINK_POINTER_VERTICAL_FLAG (1 << 2)
|
|---|
| 48 | #define LINK_POINTER_RESERVED_FLAG (1 << 3)
|
|---|
| [bae9e76] | 49 |
|
|---|
| 50 | #define LINK_POINTER_ADDRESS_MASK 0xfffffff0 /* upper 28 bits */
|
|---|
| [3515533] | 51 |
|
|---|
| [6143ce3] | 52 | #define LINK_POINTER_QH(address) \
|
|---|
| 53 | ((address & LINK_POINTER_ADDRESS_MASK) | LINK_POINTER_QUEUE_HEAD_FLAG)
|
|---|
| 54 |
|
|---|
| [d3991b2] | 55 | #define LINK_POINTER_TD(address) \
|
|---|
| 56 | (address & LINK_POINTER_ADDRESS_MASK)
|
|---|
| 57 |
|
|---|
| 58 | #define LINK_POINTER_TERM \
|
|---|
| 59 | ((link_pointer_t)LINK_POINTER_TERMINATE_FLAG)
|
|---|
| 60 |
|
|---|
| [3515533] | 61 | #endif
|
|---|
| [58563585] | 62 |
|
|---|
| [3515533] | 63 | /**
|
|---|
| 64 | * @}
|
|---|
| 65 | */
|
|---|
