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| 29 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 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 | |||
| 1888 | jermar | 29 | /** @addtogroup genarch |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_ACPI_H_ |
| 36 | #define KERN_ACPI_H_ |
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| 29 | jermar | 37 | |
| 38 | #include <arch/types.h> |
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| 39 | |||
| 40 | /* Root System Description Pointer */ |
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| 41 | struct acpi_rsdp { |
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| 1780 | jermar | 42 | uint8_t signature[8]; |
| 43 | uint8_t checksum; |
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| 44 | uint8_t oemid[6]; |
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| 45 | uint8_t revision; |
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| 46 | uint32_t rsdt_address; |
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| 47 | uint32_t length; |
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| 48 | uint64_t xsdt_address; |
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| 49 | uint32_t ext_checksum; |
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| 50 | uint8_t reserved[3]; |
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| 29 | jermar | 51 | } __attribute__ ((packed)); |
| 52 | |||
| 53 | /* System Description Table Header */ |
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| 54 | struct acpi_sdt_header { |
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| 1780 | jermar | 55 | uint8_t signature[4]; |
| 56 | uint32_t length; |
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| 57 | uint8_t revision; |
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| 58 | uint8_t checksum; |
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| 59 | uint8_t oemid[6]; |
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| 60 | uint8_t oem_table_id[8]; |
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| 61 | uint32_t oem_revision; |
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| 62 | uint32_t creator_id; |
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| 63 | uint32_t creator_revision; |
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| 29 | jermar | 64 | } __attribute__ ((packed));; |
| 65 | |||
| 33 | jermar | 66 | struct acpi_signature_map { |
| 1780 | jermar | 67 | uint8_t *signature; |
| 33 | jermar | 68 | struct acpi_sdt_header **sdt_ptr; |
| 69 | char *description; |
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| 70 | }; |
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| 71 | |||
| 29 | jermar | 72 | /* Root System Description Table */ |
| 73 | struct acpi_rsdt { |
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| 74 | struct acpi_sdt_header header; |
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| 1780 | jermar | 75 | uint32_t entry[]; |
| 29 | jermar | 76 | } __attribute__ ((packed));; |
| 77 | |||
| 78 | /* Extended System Description Table */ |
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| 79 | struct acpi_xsdt { |
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| 80 | struct acpi_sdt_header header; |
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| 1780 | jermar | 81 | uint64_t entry[]; |
| 29 | jermar | 82 | } __attribute__ ((packed));; |
| 83 | |||
| 84 | extern struct acpi_rsdp *acpi_rsdp; |
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| 33 | jermar | 85 | extern struct acpi_rsdt *acpi_rsdt; |
| 86 | extern struct acpi_xsdt *acpi_xsdt; |
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| 29 | jermar | 87 | |
| 88 | extern void acpi_init(void); |
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| 1780 | jermar | 89 | extern int acpi_sdt_check(uint8_t *sdt); |
| 32 | jermar | 90 | |
| 1888 | jermar | 91 | #endif /* KERN_ACPI_H_ */ |
| 1702 | cejka | 92 | |
| 1888 | jermar | 93 | /** @} |
| 1702 | cejka | 94 | */ |