| 1 | /*
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| 2 | * Copyright (c) 2006 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup genericddi
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef ABI_DDI_IRQ_H_
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| 36 | #define ABI_DDI_IRQ_H_
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| 37 |
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| 38 | typedef enum {
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| 39 | /** Read 1 byte from the I/O space. */
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| 40 | CMD_PIO_READ_8 = 1,
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| 41 | /** Read 2 bytes from the I/O space. */
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| 42 | CMD_PIO_READ_16,
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| 43 | /** Read 4 bytes from the I/O space. */
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| 44 | CMD_PIO_READ_32,
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| 45 |
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| 46 | /** Write 1 byte to the I/O space. */
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| 47 | CMD_PIO_WRITE_8,
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| 48 | /** Write 2 bytes to the I/O space. */
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| 49 | CMD_PIO_WRITE_16,
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| 50 | /** Write 4 bytes to the I/O space. */
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| 51 | CMD_PIO_WRITE_32,
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| 52 |
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| 53 | /**
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| 54 | * Write 1 byte from the source argument
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| 55 | * to the I/O space.
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| 56 | */
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| 57 | CMD_PIO_WRITE_A_8,
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| 58 | /**
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| 59 | * Write 2 bytes from the source argument
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| 60 | * to the I/O space.
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| 61 | */
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| 62 | CMD_PIO_WRITE_A_16,
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| 63 | /**
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| 64 | * Write 4 bytes from the source argument
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| 65 | * to the I/O space.
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| 66 | */
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| 67 | CMD_PIO_WRITE_A_32,
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| 68 |
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| 69 | /** Read 1 byte from the memory space. */
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| 70 | CMD_MEM_READ_8,
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| 71 | /** Read 2 bytes from the memory space. */
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| 72 | CMD_MEM_READ_16,
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| 73 | /** Read 4 bytes from the memory space. */
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| 74 | CMD_MEM_READ_32,
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| 75 |
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| 76 | /** Write 1 byte to the memory space. */
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| 77 | CMD_MEM_WRITE_8,
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| 78 | /** Write 2 bytes to the memory space. */
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| 79 | CMD_MEM_WRITE_16,
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| 80 | /** Write 4 bytes to the memory space. */
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| 81 | CMD_MEM_WRITE_32,
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| 82 |
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| 83 | /** Write 1 byte from the source argument to the memory space. */
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| 84 | CMD_MEM_WRITE_A_8,
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| 85 | /** Write 2 bytes from the source argument to the memory space. */
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| 86 | CMD_MEM_WRITE_A_16,
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| 87 | /** Write 4 bytes from the source argument to the memory space. */
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| 88 | CMD_MEM_WRITE_A_32,
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| 89 |
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| 90 | /**
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| 91 | * Perform a bit masking on the source argument
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| 92 | * and store the result into the destination argument.
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| 93 | */
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| 94 | CMD_BTEST,
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| 95 |
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| 96 | /**
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| 97 | * Predicate the execution of the following
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| 98 | * N commands by the boolean value of the source
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| 99 | * argument.
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| 100 | */
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| 101 | CMD_PREDICATE,
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| 102 |
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| 103 | /** Accept the interrupt. */
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| 104 | CMD_ACCEPT,
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| 105 |
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| 106 | /** Decline the interrupt. */
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| 107 | CMD_DECLINE,
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| 108 | CMD_LAST
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| 109 | } irq_cmd_type;
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| 110 |
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| 111 | typedef struct {
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| 112 | irq_cmd_type cmd;
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| 113 | void *addr;
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| 114 | uint32_t value;
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| 115 | uintptr_t srcarg;
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| 116 | uintptr_t dstarg;
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| 117 | } irq_cmd_t;
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| 118 |
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| 119 | typedef struct {
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| 120 | size_t cmdcount;
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| 121 | irq_cmd_t *cmds;
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| 122 | } irq_code_t;
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| 123 |
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| 124 | #endif
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| 125 |
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| 126 | /** @}
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| 127 | */
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