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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 | |||
29 | #ifndef __ACPI_H__ |
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30 | #define __ACPI_H__ |
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31 | |||
32 | #include <arch/types.h> |
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33 | |||
34 | /* Root System Description Pointer */ |
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35 | struct acpi_rsdp { |
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36 | __u8 signature[8]; |
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37 | __u8 checksum; |
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38 | __u8 oemid[6]; |
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39 | __u8 revision; |
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40 | __u32 rsdt_address; |
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41 | __u32 length; |
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42 | __u64 xsdt_address; |
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43 | __u32 ext_checksum; |
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44 | __u8 reserved[3]; |
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45 | } __attribute__ ((packed)); |
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46 | |||
47 | /* System Description Table Header */ |
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48 | struct acpi_sdt_header { |
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49 | __u8 signature[4]; |
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50 | __u32 length; |
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51 | __u8 revision; |
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52 | __u8 checksum; |
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53 | __u8 oemid[6]; |
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54 | __u8 oem_table_id[8]; |
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55 | __u32 oem_revision; |
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56 | __u32 creator_id; |
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57 | __u32 creator_revision; |
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58 | } __attribute__ ((packed));; |
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59 | |||
33 | jermar | 60 | struct acpi_signature_map { |
61 | __u8 *signature; |
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62 | struct acpi_sdt_header **sdt_ptr; |
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63 | char *description; |
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64 | }; |
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65 | |||
29 | jermar | 66 | /* Root System Description Table */ |
67 | struct acpi_rsdt { |
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68 | struct acpi_sdt_header header; |
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69 | __u32 entry[]; |
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70 | } __attribute__ ((packed));; |
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71 | |||
72 | /* Extended System Description Table */ |
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73 | struct acpi_xsdt { |
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74 | struct acpi_sdt_header header; |
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75 | __u64 entry[]; |
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76 | } __attribute__ ((packed));; |
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77 | |||
78 | extern struct acpi_rsdp *acpi_rsdp; |
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33 | jermar | 79 | extern struct acpi_rsdt *acpi_rsdt; |
80 | extern struct acpi_xsdt *acpi_xsdt; |
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29 | jermar | 81 | |
82 | extern void acpi_init(void); |
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33 | jermar | 83 | extern int acpi_sdt_check(__u8 *sdt); |
32 | jermar | 84 | |
29 | jermar | 85 | #endif /* __ACPI_H__ */ |