diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/platform/iris')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/platform/iris/Makefile | 1 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/platform/iris/iris.c | 91 |
2 files changed, 0 insertions, 92 deletions
diff --git a/ANDROID_3.4.5/arch/x86/platform/iris/Makefile b/ANDROID_3.4.5/arch/x86/platform/iris/Makefile deleted file mode 100644 index db921983..00000000 --- a/ANDROID_3.4.5/arch/x86/platform/iris/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_X86_32_IRIS) += iris.o diff --git a/ANDROID_3.4.5/arch/x86/platform/iris/iris.c b/ANDROID_3.4.5/arch/x86/platform/iris/iris.c deleted file mode 100644 index 5917eb56..00000000 --- a/ANDROID_3.4.5/arch/x86/platform/iris/iris.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Eurobraille/Iris power off support. - * - * Eurobraille's Iris machine is a PC with no APM or ACPI support. - * It is shutdown by a special I/O sequence which this module provides. - * - * Copyright (C) Shérab <Sebastien.Hinderer@ens-lyon.org> - * - * 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 of the License, 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. - * - * You should have received a copy of the GNU General Public License - * along with the program ; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/moduleparam.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/pm.h> -#include <asm/io.h> - -#define IRIS_GIO_BASE 0x340 -#define IRIS_GIO_INPUT IRIS_GIO_BASE -#define IRIS_GIO_OUTPUT (IRIS_GIO_BASE + 1) -#define IRIS_GIO_PULSE 0x80 /* First byte to send */ -#define IRIS_GIO_REST 0x00 /* Second byte to send */ -#define IRIS_GIO_NODEV 0xff /* Likely not an Iris */ - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Sébastien Hinderer <Sebastien.Hinderer@ens-lyon.org>"); -MODULE_DESCRIPTION("A power_off handler for Iris devices from EuroBraille"); -MODULE_SUPPORTED_DEVICE("Eurobraille/Iris"); - -static bool force; - -module_param(force, bool, 0); -MODULE_PARM_DESC(force, "Set to one to force poweroff handler installation."); - -static void (*old_pm_power_off)(void); - -static void iris_power_off(void) -{ - outb(IRIS_GIO_PULSE, IRIS_GIO_OUTPUT); - msleep(850); - outb(IRIS_GIO_REST, IRIS_GIO_OUTPUT); -} - -/* - * Before installing the power_off handler, try to make sure the OS is - * running on an Iris. Since Iris does not support DMI, this is done - * by reading its input port and seeing whether the read value is - * meaningful. - */ -static int iris_init(void) -{ - unsigned char status; - if (force != 1) { - printk(KERN_ERR "The force parameter has not been set to 1 so the Iris poweroff handler will not be installed.\n"); - return -ENODEV; - } - status = inb(IRIS_GIO_INPUT); - if (status == IRIS_GIO_NODEV) { - printk(KERN_ERR "This machine does not seem to be an Iris. Power_off handler not installed.\n"); - return -ENODEV; - } - old_pm_power_off = pm_power_off; - pm_power_off = &iris_power_off; - printk(KERN_INFO "Iris power_off handler installed.\n"); - - return 0; -} - -static void iris_exit(void) -{ - pm_power_off = old_pm_power_off; - printk(KERN_INFO "Iris power_off handler uninstalled.\n"); -} - -module_init(iris_init); -module_exit(iris_exit); |