cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / toshiba.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/toshiba.h b/i686-linux-gnu-4.7/usr/include/linux/toshiba.h
new file mode 100644 (file)
index 0000000..6f7b2dd
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/toshiba.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/* 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 */