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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __ACPI_H__ |
29 | #ifndef __ACPI_H__ |
30 | #define __ACPI_H__ |
30 | #define __ACPI_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | 33 | ||
34 | /* Root System Description Pointer */ |
34 | /* Root System Description Pointer */ |
35 | struct acpi_rsdp { |
35 | struct acpi_rsdp { |
36 | __u8 signature[8]; |
36 | __u8 signature[8]; |
37 | __u8 checksum; |
37 | __u8 checksum; |
38 | __u8 oemid[6]; |
38 | __u8 oemid[6]; |
39 | __u8 revision; |
39 | __u8 revision; |
40 | __u32 rsdt_address; |
40 | __u32 rsdt_address; |
41 | __u32 length; |
41 | __u32 length; |
42 | __u64 xsdt_address; |
42 | __u64 xsdt_address; |
43 | __u32 ext_checksum; |
43 | __u32 ext_checksum; |
44 | __u8 reserved[3]; |
44 | __u8 reserved[3]; |
45 | } __attribute__ ((packed)); |
45 | } __attribute__ ((packed)); |
46 | 46 | ||
47 | /* System Description Table Header */ |
47 | /* System Description Table Header */ |
48 | struct acpi_sdt_header { |
48 | struct acpi_sdt_header { |
49 | __u8 signature[4]; |
49 | __u8 signature[4]; |
50 | __u32 length; |
50 | __u32 length; |
51 | __u8 revision; |
51 | __u8 revision; |
52 | __u8 checksum; |
52 | __u8 checksum; |
53 | __u8 oemid[6]; |
53 | __u8 oemid[6]; |
54 | __u8 oem_table_id[8]; |
54 | __u8 oem_table_id[8]; |
55 | __u32 oem_revision; |
55 | __u32 oem_revision; |
56 | __u32 creator_id; |
56 | __u32 creator_id; |
57 | __u32 creator_revision; |
57 | __u32 creator_revision; |
58 | } __attribute__ ((packed));; |
58 | } __attribute__ ((packed));; |
59 | 59 | ||
60 | struct acpi_signature_map { |
60 | struct acpi_signature_map { |
61 | __u8 *signature; |
61 | __u8 *signature; |
62 | struct acpi_sdt_header **sdt_ptr; |
62 | struct acpi_sdt_header **sdt_ptr; |
63 | char *description; |
63 | char *description; |
64 | }; |
64 | }; |
65 | 65 | ||
66 | /* Root System Description Table */ |
66 | /* Root System Description Table */ |
67 | struct acpi_rsdt { |
67 | struct acpi_rsdt { |
68 | struct acpi_sdt_header header; |
68 | struct acpi_sdt_header header; |
69 | __u32 entry[]; |
69 | __u32 entry[]; |
70 | } __attribute__ ((packed));; |
70 | } __attribute__ ((packed));; |
71 | 71 | ||
72 | /* Extended System Description Table */ |
72 | /* Extended System Description Table */ |
73 | struct acpi_xsdt { |
73 | struct acpi_xsdt { |
74 | struct acpi_sdt_header header; |
74 | struct acpi_sdt_header header; |
75 | __u64 entry[]; |
75 | __u64 entry[]; |
76 | } __attribute__ ((packed));; |
76 | } __attribute__ ((packed));; |
77 | 77 | ||
78 | extern struct acpi_rsdp *acpi_rsdp; |
78 | extern struct acpi_rsdp *acpi_rsdp; |
79 | extern struct acpi_rsdt *acpi_rsdt; |
79 | extern struct acpi_rsdt *acpi_rsdt; |
80 | extern struct acpi_xsdt *acpi_xsdt; |
80 | extern struct acpi_xsdt *acpi_xsdt; |
81 | 81 | ||
82 | extern void acpi_init(void); |
82 | extern void acpi_init(void); |
83 | extern int acpi_sdt_check(__u8 *sdt); |
83 | extern int acpi_sdt_check(__u8 *sdt); |
84 | 84 | ||
85 | #endif /* __ACPI_H__ */ |
85 | #endif /* __ACPI_H__ */ |
86 | 86 |