Move ams driver to macintosh

The ams driver isn't a hardware monitoring driver, so it shouldn't
live under driver/hwmon. drivers/macintosh seems much more
appropriate, as the driver is only useful on PowerBooks and iBooks.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Stelian Pop <stelian@popies.net>
Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>

8 files changed, 0 insertions, 990 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index a06ac97229d9..ad54f6432e2d 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -249,32 +249,6 @@ config SENSORS_K10TEMP
 	  This driver can also be built as a module.  If so, the module
 	  will be called k10temp.
 
-config SENSORS_AMS
-	tristate "Apple Motion Sensor driver"
-	depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL
-	select INPUT_POLLDEV
-	help
-	  Support for the motion sensor included in PowerBooks. Includes
-	  implementations for PMU and I2C.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called ams.
-
-config SENSORS_AMS_PMU
-	bool "PMU variant"
-	depends on SENSORS_AMS && ADB_PMU
-	default y
-	help
-	  PMU variant of motion sensor, found in late 2005 PowerBooks.
-
-config SENSORS_AMS_I2C
-	bool "I2C variant"
-	depends on SENSORS_AMS && I2C
-	default y
-	help
-	  I2C variant of motion sensor, found in early 2005 PowerBooks and
-	  iBooks.
-
 config SENSORS_ASB100
 	tristate "Asus ASB100 Bach"
 	depends on X86 && I2C && EXPERIMENTAL
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 641b8b349a3d..2479b3da272c 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -36,7 +36,6 @@ obj-$(CONFIG_SENSORS_ADT7462)	+= adt7462.o
 obj-$(CONFIG_SENSORS_ADT7470)	+= adt7470.o
 obj-$(CONFIG_SENSORS_ADT7475)	+= adt7475.o
 obj-$(CONFIG_SENSORS_APPLESMC)	+= applesmc.o
-obj-$(CONFIG_SENSORS_AMS)	+= ams/
 obj-$(CONFIG_SENSORS_ASC7621)	+= asc7621.o
 obj-$(CONFIG_SENSORS_ATXP1)	+= atxp1.o
 obj-$(CONFIG_SENSORS_CORETEMP)	+= coretemp.o
diff --git a/drivers/hwmon/ams/Makefile b/drivers/hwmon/ams/Makefile
deleted file mode 100644
index 41c95b2089dc..000000000000
--- a/drivers/hwmon/ams/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for Apple Motion Sensor driver
-#
-
-ams-y					:= ams-core.o ams-input.o
-ams-$(CONFIG_SENSORS_AMS_PMU)		+= ams-pmu.o
-ams-$(CONFIG_SENSORS_AMS_I2C)		+= ams-i2c.o
-obj-$(CONFIG_SENSORS_AMS)		+= ams.o
diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c
deleted file mode 100644
index 2ad62c339cd2..000000000000
--- a/drivers/hwmon/ams/ams-core.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Apple Motion Sensor driver
- *
- * Copyright (C) 2005 Stelian Pop (stelian@popies.net)
- * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/of_platform.h>
-#include <asm/pmac_pfunc.h>
-
-#include "ams.h"
-
-/* There is only one motion sensor per machine */
-struct ams ams_info;
-
-static unsigned int verbose;
-module_param(verbose, bool, 0644);
-MODULE_PARM_DESC(verbose, "Show free falls and shocks in kernel output");
-
-/* Call with ams_info.lock held! */
-void ams_sensors(s8 *x, s8 *y, s8 *z)
-{
-	u32 orient = ams_info.vflag? ams_info.orient1 : ams_info.orient2;
-
-	if (orient & 0x80)
-		/* X and Y swapped */
-		ams_info.get_xyz(y, x, z);
-	else
-		ams_info.get_xyz(x, y, z);
-
-	if (orient & 0x04)
-		*z = ~(*z);
-	if (orient & 0x02)
-		*y = ~(*y);
-	if (orient & 0x01)
-		*x = ~(*x);
-}
-
-static ssize_t ams_show_current(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	s8 x, y, z;
-
-	mutex_lock(&ams_info.lock);
-	ams_sensors(&x, &y, &z);
-	mutex_unlock(&ams_info.lock);
-
-	return snprintf(buf, PAGE_SIZE, "%d %d %d\n", x, y, z);
-}
-
-static DEVICE_ATTR(current, S_IRUGO, ams_show_current, NULL);
-
-static void ams_handle_irq(void *data)
-{
-	enum ams_irq irq = *((enum ams_irq *)data);
-
-	spin_lock(&ams_info.irq_lock);
-
-	ams_info.worker_irqs |= irq;
-	schedule_work(&ams_info.worker);
-
-	spin_unlock(&ams_info.irq_lock);
-}
-
-static enum ams_irq ams_freefall_irq_data = AMS_IRQ_FREEFALL;
-static struct pmf_irq_client ams_freefall_client = {
-	.owner = THIS_MODULE,
-	.handler = ams_handle_irq,
-	.data = &ams_freefall_irq_data,
-};
-
-static enum ams_irq ams_shock_irq_data = AMS_IRQ_SHOCK;
-static struct pmf_irq_client ams_shock_client = {
-	.owner = THIS_MODULE,
-	.handler = ams_handle_irq,
-	.data = &ams_shock_irq_data,
-};
-
-/* Once hard disk parking is implemented in the kernel, this function can
- * trigger it.
- */
-static void ams_worker(struct work_struct *work)
-{
-	unsigned long flags;
-	u8 irqs_to_clear;
-
-	mutex_lock(&ams_info.lock);
-
-	spin_lock_irqsave(&ams_info.irq_lock, flags);
-	irqs_to_clear = ams_info.worker_irqs;
-
-	if (ams_info.worker_irqs & AMS_IRQ_FREEFALL) {
-		if (verbose)
-			printk(KERN_INFO "ams: freefall detected!\n");
-
-		ams_info.worker_irqs &= ~AMS_IRQ_FREEFALL;
-	}
-
-	if (ams_info.worker_irqs & AMS_IRQ_SHOCK) {
-		if (verbose)
-			printk(KERN_INFO "ams: shock detected!\n");
-
-		ams_info.worker_irqs &= ~AMS_IRQ_SHOCK;
-	}
-
-	spin_unlock_irqrestore(&ams_info.irq_lock, flags);
-
-	ams_info.clear_irq(irqs_to_clear);
-
-	mutex_unlock(&ams_info.lock);
-}
-
-/* Call with ams_info.lock held! */
-int ams_sensor_attach(void)
-{
-	int result;
-	const u32 *prop;
-
-	/* Get orientation */
-	prop = of_get_property(ams_info.of_node, "orientation", NULL);
-	if (!prop)
-		return -ENODEV;
-	ams_info.orient1 = *prop;
-	ams_info.orient2 = *(prop + 1);
-
-	/* Register freefall interrupt handler */
-	result = pmf_register_irq_client(ams_info.of_node,
-			"accel-int-1",
-			&ams_freefall_client);
-	if (result < 0)
-		return -ENODEV;
-
-	/* Reset saved irqs */
-	ams_info.worker_irqs = 0;
-
-	/* Register shock interrupt handler */
-	result = pmf_register_irq_client(ams_info.of_node,
-			"accel-int-2",
-			&ams_shock_client);
-	if (result < 0)
-		goto release_freefall;
-
-	/* Create device */
-	ams_info.of_dev = of_platform_device_create(ams_info.of_node, "ams", NULL);
-	if (!ams_info.of_dev) {
-		result = -ENODEV;
-		goto release_shock;
-	}
-
-	/* Create attributes */
-	result = device_create_file(&ams_info.of_dev->dev, &dev_attr_current);
-	if (result)
-		goto release_of;
-
-	ams_info.vflag = !!(ams_info.get_vendor() & 0x10);
-
-	/* Init input device */
-	result = ams_input_init();
-	if (result)
-		goto release_device_file;
-
-	return result;
-release_device_file:
-	device_remove_file(&ams_info.of_dev->dev, &dev_attr_current);
-release_of:
-	of_device_unregister(ams_info.of_dev);
-release_shock:
-	pmf_unregister_irq_client(&ams_shock_client);
-release_freefall:
-	pmf_unregister_irq_client(&ams_freefall_client);
-	return result;
-}
-
-int __init ams_init(void)
-{
-	struct device_node *np;
-
-	spin_lock_init(&ams_info.irq_lock);
-	mutex_init(&ams_info.lock);
-	INIT_WORK(&ams_info.worker, ams_worker);
-
-#ifdef CONFIG_SENSORS_AMS_I2C
-	np = of_find_node_by_name(NULL, "accelerometer");
-	if (np && of_device_is_compatible(np, "AAPL,accelerometer_1"))
-		/* Found I2C motion sensor */
-		return ams_i2c_init(np);
-#endif
-
-#ifdef CONFIG_SENSORS_AMS_PMU
-	np = of_find_node_by_name(NULL, "sms");
-	if (np && of_device_is_compatible(np, "sms"))
-		/* Found PMU motion sensor */
-		return ams_pmu_init(np);
-#endif
-	return -ENODEV;
-}
-
-void ams_sensor_detach(void)
-{
-	/* Remove input device */
-	ams_input_exit();
-
-	/* Remove attributes */
-	device_remove_file(&ams_info.of_dev->dev, &dev_attr_current);
-
-	/* Flush interrupt worker
-	 *
-	 * We do this after ams_info.exit(), because an interrupt might
-	 * have arrived before disabling them.
-	 */
-	flush_scheduled_work();
-
-	/* Remove device */
-	of_device_unregister(ams_info.of_dev);
-
-	/* Remove handler */
-	pmf_unregister_irq_client(&ams_shock_client);
-	pmf_unregister_irq_client(&ams_freefall_client);
-}
-
-static void __exit ams_exit(void)
-{
-	/* Shut down implementation */
-	ams_info.exit();
-}
-
-MODULE_AUTHOR("Stelian Pop, Michael Hanselmann");
-MODULE_DESCRIPTION("Apple Motion Sensor driver");
-MODULE_LICENSE("GPL");
-
-module_init(ams_init);
-module_exit(ams_exit);
diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
deleted file mode 100644
index abeecd27b484..000000000000
--- a/drivers/hwmon/ams/ams-i2c.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * Apple Motion Sensor driver (I2C variant)
- *
- * Copyright (C) 2005 Stelian Pop (stelian@popies.net)
- * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * Clean room implementation based on the reverse engineered Mac OS X driver by
- * Johannes Berg <johannes@sipsolutions.net>, documentation available at
- * http://johannes.sipsolutions.net/PowerBook/Apple_Motion_Sensor_Specification
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-
-#include "ams.h"
-
-/* AMS registers */
-#define AMS_COMMAND	0x00	/* command register */
-#define AMS_STATUS	0x01	/* status register */
-#define AMS_CTRL1	0x02	/* read control 1 (number of values) */
-#define AMS_CTRL2	0x03	/* read control 2 (offset?) */
-#define AMS_CTRL3	0x04	/* read control 3 (size of each value?) */
-#define AMS_DATA1	0x05	/* read data 1 */
-#define AMS_DATA2	0x06	/* read data 2 */
-#define AMS_DATA3	0x07	/* read data 3 */
-#define AMS_DATA4	0x08	/* read data 4 */
-#define AMS_DATAX	0x20	/* data X */
-#define AMS_DATAY	0x21	/* data Y */
-#define AMS_DATAZ	0x22	/* data Z */
-#define AMS_FREEFALL	0x24	/* freefall int control */
-#define AMS_SHOCK	0x25	/* shock int control */
-#define AMS_SENSLOW	0x26	/* sensitivity low limit */
-#define AMS_SENSHIGH	0x27	/* sensitivity high limit */
-#define AMS_CTRLX	0x28	/* control X */
-#define AMS_CTRLY	0x29	/* control Y */
-#define AMS_CTRLZ	0x2A	/* control Z */
-#define AMS_UNKNOWN1	0x2B	/* unknown 1 */
-#define AMS_UNKNOWN2	0x2C	/* unknown 2 */
-#define AMS_UNKNOWN3	0x2D	/* unknown 3 */
-#define AMS_VENDOR	0x2E	/* vendor */
-
-/* AMS commands - use with the AMS_COMMAND register */
-enum ams_i2c_cmd {
-	AMS_CMD_NOOP = 0,
-	AMS_CMD_VERSION,
-	AMS_CMD_READMEM,
-	AMS_CMD_WRITEMEM,
-	AMS_CMD_ERASEMEM,
-	AMS_CMD_READEE,
-	AMS_CMD_WRITEEE,
-	AMS_CMD_RESET,
-	AMS_CMD_START,
-};
-
-static int ams_i2c_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id);
-static int ams_i2c_remove(struct i2c_client *client);
-
-static const struct i2c_device_id ams_id[] = {
-	{ "ams", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, ams_id);
-
-static struct i2c_driver ams_i2c_driver = {
-	.driver = {
-		.name   = "ams",
-		.owner  = THIS_MODULE,
-	},
-	.probe          = ams_i2c_probe,
-	.remove         = ams_i2c_remove,
-	.id_table       = ams_id,
-};
-
-static s32 ams_i2c_read(u8 reg)
-{
-	return i2c_smbus_read_byte_data(ams_info.i2c_client, reg);
-}
-
-static int ams_i2c_write(u8 reg, u8 value)
-{
-	return i2c_smbus_write_byte_data(ams_info.i2c_client, reg, value);
-}
-
-static int ams_i2c_cmd(enum ams_i2c_cmd cmd)
-{
-	s32 result;
-	int count = 3;
-
-	ams_i2c_write(AMS_COMMAND, cmd);
-	msleep(5);
-
-	while (count--) {
-		result = ams_i2c_read(AMS_COMMAND);
-		if (result == 0 || result & 0x80)
-			return 0;
-
-		schedule_timeout_uninterruptible(HZ / 20);
-	}
-
-	return -1;
-}
-
-static void ams_i2c_set_irq(enum ams_irq reg, char enable)
-{
-	if (reg & AMS_IRQ_FREEFALL) {
-		u8 val = ams_i2c_read(AMS_CTRLX);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_i2c_write(AMS_CTRLX, val);
-	}
-
-	if (reg & AMS_IRQ_SHOCK) {
-		u8 val = ams_i2c_read(AMS_CTRLY);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_i2c_write(AMS_CTRLY, val);
-	}
-
-	if (reg & AMS_IRQ_GLOBAL) {
-		u8 val = ams_i2c_read(AMS_CTRLZ);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_i2c_write(AMS_CTRLZ, val);
-	}
-}
-
-static void ams_i2c_clear_irq(enum ams_irq reg)
-{
-	if (reg & AMS_IRQ_FREEFALL)
-		ams_i2c_write(AMS_FREEFALL, 0);
-
-	if (reg & AMS_IRQ_SHOCK)
-		ams_i2c_write(AMS_SHOCK, 0);
-}
-
-static u8 ams_i2c_get_vendor(void)
-{
-	return ams_i2c_read(AMS_VENDOR);
-}
-
-static void ams_i2c_get_xyz(s8 *x, s8 *y, s8 *z)
-{
-	*x = ams_i2c_read(AMS_DATAX);
-	*y = ams_i2c_read(AMS_DATAY);
-	*z = ams_i2c_read(AMS_DATAZ);
-}
-
-static int ams_i2c_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id)
-{
-	int vmaj, vmin;
-	int result;
-
-	/* There can be only one */
-	if (unlikely(ams_info.has_device))
-		return -ENODEV;
-
-	ams_info.i2c_client = client;
-
-	if (ams_i2c_cmd(AMS_CMD_RESET)) {
-		printk(KERN_INFO "ams: Failed to reset the device\n");
-		return -ENODEV;
-	}
-
-	if (ams_i2c_cmd(AMS_CMD_START)) {
-		printk(KERN_INFO "ams: Failed to start the device\n");
-		return -ENODEV;
-	}
-
-	/* get version/vendor information */
-	ams_i2c_write(AMS_CTRL1, 0x02);
-	ams_i2c_write(AMS_CTRL2, 0x85);
-	ams_i2c_write(AMS_CTRL3, 0x01);
-
-	ams_i2c_cmd(AMS_CMD_READMEM);
-
-	vmaj = ams_i2c_read(AMS_DATA1);
-	vmin = ams_i2c_read(AMS_DATA2);
-	if (vmaj != 1 || vmin != 52) {
-		printk(KERN_INFO "ams: Incorrect device version (%d.%d)\n",
-			vmaj, vmin);
-		return -ENODEV;
-	}
-
-	ams_i2c_cmd(AMS_CMD_VERSION);
-
-	vmaj = ams_i2c_read(AMS_DATA1);
-	vmin = ams_i2c_read(AMS_DATA2);
-	if (vmaj != 0 || vmin != 1) {
-		printk(KERN_INFO "ams: Incorrect firmware version (%d.%d)\n",
-			vmaj, vmin);
-		return -ENODEV;
-	}
-
-	/* Disable interrupts */
-	ams_i2c_set_irq(AMS_IRQ_ALL, 0);
-
-	result = ams_sensor_attach();
-	if (result < 0)
-		return result;
-
-	/* Set default values */
-	ams_i2c_write(AMS_SENSLOW, 0x15);
-	ams_i2c_write(AMS_SENSHIGH, 0x60);
-	ams_i2c_write(AMS_CTRLX, 0x08);
-	ams_i2c_write(AMS_CTRLY, 0x0F);
-	ams_i2c_write(AMS_CTRLZ, 0x4F);
-	ams_i2c_write(AMS_UNKNOWN1, 0x14);
-
-	/* Clear interrupts */
-	ams_i2c_clear_irq(AMS_IRQ_ALL);
-
-	ams_info.has_device = 1;
-
-	/* Enable interrupts */
-	ams_i2c_set_irq(AMS_IRQ_ALL, 1);
-
-	printk(KERN_INFO "ams: Found I2C based motion sensor\n");
-
-	return 0;
-}
-
-static int ams_i2c_remove(struct i2c_client *client)
-{
-	if (ams_info.has_device) {
-		ams_sensor_detach();
-
-		/* Disable interrupts */
-		ams_i2c_set_irq(AMS_IRQ_ALL, 0);
-
-		/* Clear interrupts */
-		ams_i2c_clear_irq(AMS_IRQ_ALL);
-
-		printk(KERN_INFO "ams: Unloading\n");
-
-		ams_info.has_device = 0;
-	}
-
-	return 0;
-}
-
-static void ams_i2c_exit(void)
-{
-	i2c_del_driver(&ams_i2c_driver);
-}
-
-int __init ams_i2c_init(struct device_node *np)
-{
-	int result;
-
-	/* Set implementation stuff */
-	ams_info.of_node = np;
-	ams_info.exit = ams_i2c_exit;
-	ams_info.get_vendor = ams_i2c_get_vendor;
-	ams_info.get_xyz = ams_i2c_get_xyz;
-	ams_info.clear_irq = ams_i2c_clear_irq;
-	ams_info.bustype = BUS_I2C;
-
-	result = i2c_add_driver(&ams_i2c_driver);
-
-	return result;
-}
diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c
deleted file mode 100644
index 8a712392cd38..000000000000
--- a/drivers/hwmon/ams/ams-input.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Apple Motion Sensor driver (joystick emulation)
- *
- * Copyright (C) 2005 Stelian Pop (stelian@popies.net)
- * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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.
- */
-
-#include <linux/module.h>
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-
-#include "ams.h"
-
-static unsigned int joystick;
-module_param(joystick, bool, S_IRUGO);
-MODULE_PARM_DESC(joystick, "Enable the input class device on module load");
-
-static unsigned int invert;
-module_param(invert, bool, S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
-
-static DEFINE_MUTEX(ams_input_mutex);
-
-static void ams_idev_poll(struct input_polled_dev *dev)
-{
-	struct input_dev *idev = dev->input;
-	s8 x, y, z;
-
-	mutex_lock(&ams_info.lock);
-
-	ams_sensors(&x, &y, &z);
-
-	x -= ams_info.xcalib;
-	y -= ams_info.ycalib;
-	z -= ams_info.zcalib;
-
-	input_report_abs(idev, ABS_X, invert ? -x : x);
-	input_report_abs(idev, ABS_Y, invert ? -y : y);
-	input_report_abs(idev, ABS_Z, z);
-
-	input_sync(idev);
-
-	mutex_unlock(&ams_info.lock);
-}
-
-/* Call with ams_info.lock held! */
-static int ams_input_enable(void)
-{
-	struct input_dev *input;
-	s8 x, y, z;
-	int error;
-
-	ams_sensors(&x, &y, &z);
-	ams_info.xcalib = x;
-	ams_info.ycalib = y;
-	ams_info.zcalib = z;
-
-	ams_info.idev = input_allocate_polled_device();
-	if (!ams_info.idev)
-		return -ENOMEM;
-
-	ams_info.idev->poll = ams_idev_poll;
-	ams_info.idev->poll_interval = 25;
-
-	input = ams_info.idev->input;
-	input->name = "Apple Motion Sensor";
-	input->id.bustype = ams_info.bustype;
-	input->id.vendor = 0;
-	input->dev.parent = &ams_info.of_dev->dev;
-
-	input_set_abs_params(input, ABS_X, -50, 50, 3, 0);
-	input_set_abs_params(input, ABS_Y, -50, 50, 3, 0);
-	input_set_abs_params(input, ABS_Z, -50, 50, 3, 0);
-
-	set_bit(EV_ABS, input->evbit);
-	set_bit(EV_KEY, input->evbit);
-	set_bit(BTN_TOUCH, input->keybit);
-
-	error = input_register_polled_device(ams_info.idev);
-	if (error) {
-		input_free_polled_device(ams_info.idev);
-		ams_info.idev = NULL;
-		return error;
-	}
-
-	joystick = 1;
-
-	return 0;
-}
-
-static void ams_input_disable(void)
-{
-	if (ams_info.idev) {
-		input_unregister_polled_device(ams_info.idev);
-		input_free_polled_device(ams_info.idev);
-		ams_info.idev = NULL;
-	}
-
-	joystick = 0;
-}
-
-static ssize_t ams_input_show_joystick(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%d\n", joystick);
-}
-
-static ssize_t ams_input_store_joystick(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	unsigned long enable;
-	int error = 0;
-
-	if (strict_strtoul(buf, 0, &enable) || enable > 1)
-		return -EINVAL;
-
-	mutex_lock(&ams_input_mutex);
-
-	if (enable != joystick) {
-		if (enable)
-			error = ams_input_enable();
-		else
-			ams_input_disable();
-	}
-
-	mutex_unlock(&ams_input_mutex);
-
-	return error ? error : count;
-}
-
-static DEVICE_ATTR(joystick, S_IRUGO | S_IWUSR,
-	ams_input_show_joystick, ams_input_store_joystick);
-
-int ams_input_init(void)
-{
-	if (joystick)
-		ams_input_enable();
-
-	return device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);
-}
-
-void ams_input_exit(void)
-{
-	device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
-
-	mutex_lock(&ams_input_mutex);
-	ams_input_disable();
-	mutex_unlock(&ams_input_mutex);
-}
diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c
deleted file mode 100644
index 4f61b3ee1b08..000000000000
--- a/drivers/hwmon/ams/ams-pmu.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * Apple Motion Sensor driver (PMU variant)
- *
- * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/adb.h>
-#include <linux/pmu.h>
-
-#include "ams.h"
-
-/* Attitude */
-#define AMS_X			0x00
-#define AMS_Y			0x01
-#define AMS_Z			0x02
-
-/* Not exactly known, maybe chip vendor */
-#define AMS_VENDOR		0x03
-
-/* Freefall registers */
-#define AMS_FF_CLEAR		0x04
-#define AMS_FF_ENABLE		0x05
-#define AMS_FF_LOW_LIMIT	0x06
-#define AMS_FF_DEBOUNCE		0x07
-
-/* Shock registers */
-#define AMS_SHOCK_CLEAR		0x08
-#define AMS_SHOCK_ENABLE	0x09
-#define AMS_SHOCK_HIGH_LIMIT	0x0a
-#define AMS_SHOCK_DEBOUNCE	0x0b
-
-/* Global interrupt and power control register */
-#define AMS_CONTROL		0x0c
-
-static u8 ams_pmu_cmd;
-
-static void ams_pmu_req_complete(struct adb_request *req)
-{
-	complete((struct completion *)req->arg);
-}
-
-/* Only call this function from task context */
-static void ams_pmu_set_register(u8 reg, u8 value)
-{
-	static struct adb_request req;
-	DECLARE_COMPLETION(req_complete);
-
-	req.arg = &req_complete;
-	if (pmu_request(&req, ams_pmu_req_complete, 4, ams_pmu_cmd, 0x00, reg, value))
-		return;
-
-	wait_for_completion(&req_complete);
-}
-
-/* Only call this function from task context */
-static u8 ams_pmu_get_register(u8 reg)
-{
-	static struct adb_request req;
-	DECLARE_COMPLETION(req_complete);
-
-	req.arg = &req_complete;
-	if (pmu_request(&req, ams_pmu_req_complete, 3, ams_pmu_cmd, 0x01, reg))
-		return 0;
-
-	wait_for_completion(&req_complete);
-
-	if (req.reply_len > 0)
-		return req.reply[0];
-	else
-		return 0;
-}
-
-/* Enables or disables the specified interrupts */
-static void ams_pmu_set_irq(enum ams_irq reg, char enable)
-{
-	if (reg & AMS_IRQ_FREEFALL) {
-		u8 val = ams_pmu_get_register(AMS_FF_ENABLE);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_pmu_set_register(AMS_FF_ENABLE, val);
-	}
-
-	if (reg & AMS_IRQ_SHOCK) {
-		u8 val = ams_pmu_get_register(AMS_SHOCK_ENABLE);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_pmu_set_register(AMS_SHOCK_ENABLE, val);
-	}
-
-	if (reg & AMS_IRQ_GLOBAL) {
-		u8 val = ams_pmu_get_register(AMS_CONTROL);
-		if (enable)
-			val |= 0x80;
-		else
-			val &= ~0x80;
-		ams_pmu_set_register(AMS_CONTROL, val);
-	}
-}
-
-static void ams_pmu_clear_irq(enum ams_irq reg)
-{
-	if (reg & AMS_IRQ_FREEFALL)
-		ams_pmu_set_register(AMS_FF_CLEAR, 0x00);
-
-	if (reg & AMS_IRQ_SHOCK)
-		ams_pmu_set_register(AMS_SHOCK_CLEAR, 0x00);
-}
-
-static u8 ams_pmu_get_vendor(void)
-{
-	return ams_pmu_get_register(AMS_VENDOR);
-}
-
-static void ams_pmu_get_xyz(s8 *x, s8 *y, s8 *z)
-{
-	*x = ams_pmu_get_register(AMS_X);
-	*y = ams_pmu_get_register(AMS_Y);
-	*z = ams_pmu_get_register(AMS_Z);
-}
-
-static void ams_pmu_exit(void)
-{
-	ams_sensor_detach();
-
-	/* Disable interrupts */
-	ams_pmu_set_irq(AMS_IRQ_ALL, 0);
-
-	/* Clear interrupts */
-	ams_pmu_clear_irq(AMS_IRQ_ALL);
-
-	ams_info.has_device = 0;
-
-	printk(KERN_INFO "ams: Unloading\n");
-}
-
-int __init ams_pmu_init(struct device_node *np)
-{
-	const u32 *prop;
-	int result;
-
-	/* Set implementation stuff */
-	ams_info.of_node = np;
-	ams_info.exit = ams_pmu_exit;
-	ams_info.get_vendor = ams_pmu_get_vendor;
-	ams_info.get_xyz = ams_pmu_get_xyz;
-	ams_info.clear_irq = ams_pmu_clear_irq;
-	ams_info.bustype = BUS_HOST;
-
-	/* Get PMU command, should be 0x4e, but we can never know */
-	prop = of_get_property(ams_info.of_node, "reg", NULL);
-	if (!prop)
-		return -ENODEV;
-
-	ams_pmu_cmd = ((*prop) >> 8) & 0xff;
-
-	/* Disable interrupts */
-	ams_pmu_set_irq(AMS_IRQ_ALL, 0);
-
-	/* Clear interrupts */
-	ams_pmu_clear_irq(AMS_IRQ_ALL);
-
-	result = ams_sensor_attach();
-	if (result < 0)
-		return result;
-
-	/* Set default values */
-	ams_pmu_set_register(AMS_FF_LOW_LIMIT, 0x15);
-	ams_pmu_set_register(AMS_FF_ENABLE, 0x08);
-	ams_pmu_set_register(AMS_FF_DEBOUNCE, 0x14);
-
-	ams_pmu_set_register(AMS_SHOCK_HIGH_LIMIT, 0x60);
-	ams_pmu_set_register(AMS_SHOCK_ENABLE, 0x0f);
-	ams_pmu_set_register(AMS_SHOCK_DEBOUNCE, 0x14);
-
-	ams_pmu_set_register(AMS_CONTROL, 0x4f);
-
-	/* Clear interrupts */
-	ams_pmu_clear_irq(AMS_IRQ_ALL);
-
-	ams_info.has_device = 1;
-
-	/* Enable interrupts */
-	ams_pmu_set_irq(AMS_IRQ_ALL, 1);
-
-	printk(KERN_INFO "ams: Found PMU based motion sensor\n");
-
-	return 0;
-}
diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h
deleted file mode 100644
index 90f094d45450..000000000000
--- a/drivers/hwmon/ams/ams.h
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <linux/i2c.h>
-#include <linux/input-polldev.h>
-#include <linux/kthread.h>
-#include <linux/mutex.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-#include <linux/of_device.h>
-
-enum ams_irq {
-	AMS_IRQ_FREEFALL = 0x01,
-	AMS_IRQ_SHOCK = 0x02,
-	AMS_IRQ_GLOBAL = 0x04,
-	AMS_IRQ_ALL =
-		AMS_IRQ_FREEFALL |
-		AMS_IRQ_SHOCK |
-		AMS_IRQ_GLOBAL,
-};
-
-struct ams {
-	/* Locks */
-	spinlock_t irq_lock;
-	struct mutex lock;
-
-	/* General properties */
-	struct device_node *of_node;
-	struct platform_device *of_dev;
-	char has_device;
-	char vflag;
-	u32 orient1;
-	u32 orient2;
-
-	/* Interrupt worker */
-	struct work_struct worker;
-	u8 worker_irqs;
-
-	/* Implementation
-	 *
-	 * Only call these functions with the main lock held.
-	 */
-	void (*exit)(void);
-
-	void (*get_xyz)(s8 *x, s8 *y, s8 *z);
-	u8 (*get_vendor)(void);
-
-	void (*clear_irq)(enum ams_irq reg);
-
-#ifdef CONFIG_SENSORS_AMS_I2C
-	/* I2C properties */
-	struct i2c_client *i2c_client;
-#endif
-
-	/* Joystick emulation */
-	struct input_polled_dev *idev;
-	__u16 bustype;
-
-	/* calibrated null values */
-	int xcalib, ycalib, zcalib;
-};
-
-extern struct ams ams_info;
-
-extern void ams_sensors(s8 *x, s8 *y, s8 *z);
-extern int ams_sensor_attach(void);
-extern void ams_sensor_detach(void);
-
-extern int ams_pmu_init(struct device_node *np);
-extern int ams_i2c_init(struct device_node *np);
-
-extern int ams_input_init(void);
-extern void ams_input_exit(void);