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| Rev | Author | Line No. | Line |
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| 3657 | vana | 1 | /* |
| 4024 | jermar | 2 | * Copyright (c) 2005 Jakub Vana |
| 3657 | vana | 3 | * All rights reserved. |
| 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 | |||
| 4024 | jermar | 29 | /** @addtogroup libcia64 |
| 3657 | vana | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef LIBC_ia64_DDI_H_ |
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| 36 | #define LIBC_ia64_DDI_H_ |
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| 37 | |||
| 4024 | jermar | 38 | #include <sys/types.h> |
| 3657 | vana | 39 | #include <libarch/types.h> |
| 40 | |||
| 4024 | jermar | 41 | #define IO_SPACE_BOUNDARY (64 * 1024) |
| 3657 | vana | 42 | |
| 43 | uint64_t get_ia64_iospace_address(void); |
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| 44 | |||
| 45 | extern uint64_t ia64_iospace_address; |
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| 46 | |||
| 4024 | jermar | 47 | #define IA64_IOSPACE_ADDRESS \ |
| 48 | (ia64_iospace_address ? \ |
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| 49 | ia64_iospace_address : \ |
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| 50 | (ia64_iospace_address = get_ia64_iospace_address())) |
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| 3657 | vana | 51 | |
| 4024 | jermar | 52 | static inline void pio_write_8(ioport8_t *port, uint8_t v) |
| 3657 | vana | 53 | { |
| 4024 | jermar | 54 | uintptr_t prt = (uintptr_t) port; |
| 3657 | vana | 55 | |
| 4024 | jermar | 56 | *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
| 57 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
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| 58 | |||
| 3657 | vana | 59 | asm volatile ("mf\n" ::: "memory"); |
| 60 | } |
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| 61 | |||
| 4024 | jermar | 62 | static inline void pio_write_16(ioport16_t *port, uint16_t v) |
| 3657 | vana | 63 | { |
| 4024 | jermar | 64 | uintptr_t prt = (uintptr_t) port; |
| 3657 | vana | 65 | |
| 4024 | jermar | 66 | *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
| 67 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
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| 68 | |||
| 3657 | vana | 69 | asm volatile ("mf\n" ::: "memory"); |
| 70 | } |
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| 71 | |||
| 4024 | jermar | 72 | static inline void pio_write_32(ioport32_t *port, uint32_t v) |
| 3657 | vana | 73 | { |
| 4024 | jermar | 74 | uintptr_t prt = (uintptr_t) port; |
| 3657 | vana | 75 | |
| 4024 | jermar | 76 | *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
| 77 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
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| 78 | |||
| 3657 | vana | 79 | asm volatile ("mf\n" ::: "memory"); |
| 80 | } |
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| 81 | |||
| 4024 | jermar | 82 | static inline uint8_t pio_read_8(ioport8_t *port) |
| 83 | { |
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| 84 | uintptr_t prt = (uintptr_t) port; |
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| 3657 | vana | 85 | |
| 86 | asm volatile ("mf\n" ::: "memory"); |
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| 87 | |||
| 4024 | jermar | 88 | return *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
| 89 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
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| 3657 | vana | 90 | } |
| 91 | |||
| 4024 | jermar | 92 | static inline uint16_t pio_read_16(ioport16_t *port) |
| 3657 | vana | 93 | { |
| 4024 | jermar | 94 | uintptr_t prt = (uintptr_t) port; |
| 95 | |||
| 3657 | vana | 96 | asm volatile ("mf\n" ::: "memory"); |
| 97 | |||
| 4024 | jermar | 98 | return *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
| 4028 | jermar | 99 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
| 3657 | vana | 100 | } |
| 101 | |||
| 4024 | jermar | 102 | static inline uint32_t pio_read_32(ioport32_t *port) |
| 3657 | vana | 103 | { |
| 4024 | jermar | 104 | uintptr_t prt = (uintptr_t) port; |
| 105 | |||
| 3657 | vana | 106 | asm volatile ("mf\n" ::: "memory"); |
| 107 | |||
| 4024 | jermar | 108 | return *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
| 109 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
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| 3657 | vana | 110 | } |
| 111 | |||
| 112 | #endif |
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| 113 | |||
| 114 | /** @} |
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| 115 | */ |