1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linu <<
2 /* toshiba.h -- Linux driver for accessing the 1 /* toshiba.h -- Linux driver for accessing the SMM on Toshiba laptops
3 * 2 *
4 * Copyright (c) 1996-2000 Jonathan A. Buzzar 3 * Copyright (c) 1996-2000 Jonathan A. Buzzard (jonathan@buzzard.org.uk)
5 * Copyright (c) 2015 Azael Avalos <coproscef <<
6 * 4 *
7 * Thanks to Juergen Heinzl <juergen@monocerus 5 * Thanks to Juergen Heinzl <juergen@monocerus.demon.co.uk> for the pointers
8 * on making sure the structure is aligned and 6 * on making sure the structure is aligned and packed.
9 * 7 *
10 * This program is free software; you can redi 8 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public L 9 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2, 10 * Free Software Foundation; either version 2, or (at your option) any
13 * later version. 11 * later version.
14 * 12 *
15 * This program is distributed in the hope tha 13 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the impl 14 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details. 16 * General Public License for more details.
19 * 17 *
20 */ 18 */
21 19
22 #ifndef _UAPI_LINUX_TOSHIBA_H 20 #ifndef _UAPI_LINUX_TOSHIBA_H
23 #define _UAPI_LINUX_TOSHIBA_H 21 #define _UAPI_LINUX_TOSHIBA_H
24 22
25 /* !! 23 #define TOSH_PROC "/proc/toshiba"
26 * Toshiba modules paths !! 24 #define TOSH_DEVICE "/dev/toshiba"
27 */ !! 25 #define TOSH_SMM _IOWR('t', 0x90, int) /* broken: meant 24 bytes */
28 <<
29 #define TOSH_PROC "/proc/toshiba <<
30 #define TOSH_DEVICE "/dev/toshiba" <<
31 #define TOSHIBA_ACPI_PROC "/proc/acpi/to <<
32 #define TOSHIBA_ACPI_DEVICE "/dev/toshiba_ <<
33 <<
34 /* <<
35 * Toshiba SMM structure <<
36 */ <<
37 26
38 typedef struct { 27 typedef struct {
39 unsigned int eax; 28 unsigned int eax;
40 unsigned int ebx __attribute__ ((packe 29 unsigned int ebx __attribute__ ((packed));
41 unsigned int ecx __attribute__ ((packe 30 unsigned int ecx __attribute__ ((packed));
42 unsigned int edx __attribute__ ((packe 31 unsigned int edx __attribute__ ((packed));
43 unsigned int esi __attribute__ ((packe 32 unsigned int esi __attribute__ ((packed));
44 unsigned int edi __attribute__ ((packe 33 unsigned int edi __attribute__ ((packed));
45 } SMMRegisters; 34 } SMMRegisters;
46 <<
47 /* <<
48 * IOCTLs (0x90 - 0x91) <<
49 */ <<
50 <<
51 #define TOSH_SMM _IOWR('t', 0x9 <<
52 /* <<
53 * Convenience toshiba_acpi command. <<
54 * <<
55 * The System Configuration Interface (SCI) is <<
56 * to avoid userspace of buggy BIOSes. <<
57 * <<
58 * The toshiba_acpi module checks whether the <<
59 * SCI_GET (0xf300) or SCI_SET (0xf400), retur <<
60 */ <<
61 #define TOSHIBA_ACPI_SCI _IOWR('t', 0x9 <<
62 35
63 36
64 #endif /* _UAPI_LINUX_TOSHIBA_H */ 37 #endif /* _UAPI_LINUX_TOSHIBA_H */
65 38
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