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- /* toshiba.h -- Linux driver for accessing the SMM on Toshiba laptops
- *
- * Copyright (c) 1996-2000 Jonathan A. Buzzard (jonathan@buzzard.org.uk)
- * Copyright (c) 2015 Azael Avalos <coproscefalo@gmail.com>
- *
- * Thanks to Juergen Heinzl <juergen@monocerus.demon.co.uk> for the pointers
- * on making sure the structure is aligned and packed.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- */
- #ifndef _LINUX_TOSHIBA_H
- #define _LINUX_TOSHIBA_H
- /*
- * Toshiba modules paths
- */
- #define TOSH_PROC "/proc/toshiba"
- #define TOSH_DEVICE "/dev/toshiba"
- #define TOSHIBA_ACPI_PROC "/proc/acpi/toshiba"
- #define TOSHIBA_ACPI_DEVICE "/dev/toshiba_acpi"
- /*
- * Toshiba SMM structure
- */
- typedef struct {
- unsigned int eax;
- unsigned int ebx __attribute__ ((packed));
- unsigned int ecx __attribute__ ((packed));
- unsigned int edx __attribute__ ((packed));
- unsigned int esi __attribute__ ((packed));
- unsigned int edi __attribute__ ((packed));
- } SMMRegisters;
- /*
- * IOCTLs (0x90 - 0x91)
- */
- #define TOSH_SMM _IOWR('t', 0x90, SMMRegisters)
- /*
- * Convenience toshiba_acpi command.
- *
- * The System Configuration Interface (SCI) is opened/closed internally
- * to avoid userspace of buggy BIOSes.
- *
- * The toshiba_acpi module checks whether the eax register is set with
- * SCI_GET (0xf300) or SCI_SET (0xf400), returning -EINVAL if not.
- */
- #define TOSHIBA_ACPI_SCI _IOWR('t', 0x91, SMMRegisters)
- #endif /* _LINUX_TOSHIBA_H */
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