1 files changed, 0 insertions, 465 deletions

diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c
deleted file mode 100644
index 38088b44349..00000000000
--- a/drivers/usb/misc/phidgetmotorcontrol.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- * USB Phidget MotorControl driver
- *
- * Copyright (C) 2006  Sean Young <sean@mess.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.
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-
-#include "phidget.h"
-
-#define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
-#define DRIVER_DESC "USB PhidgetMotorControl Driver"
-
-#define USB_VENDOR_ID_GLAB		0x06c2
-#define USB_DEVICE_ID_MOTORCONTROL	0x0058
-
-#define URB_INT_SIZE			8
-
-static unsigned long device_no;
-
-struct motorcontrol {
-	struct usb_device *udev;
-	struct usb_interface *intf;
-	struct device *dev;
-	int dev_no;
-	u8 inputs[4];
-	s8 desired_speed[2];
-	s8 speed[2];
-	s16 _current[2];
-	s8 acceleration[2];
-	struct urb *irq;
-	unsigned char *data;
-	dma_addr_t data_dma;
-
-	struct delayed_work do_notify;
-	unsigned long input_events;
-	unsigned long speed_events;
-	unsigned long exceed_events;
-};
-
-static struct usb_device_id id_table[] = {
-	{ USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_MOTORCONTROL) },
-	{}
-};
-MODULE_DEVICE_TABLE(usb, id_table);
-
-static int set_motor(struct motorcontrol *mc, int motor)
-{
-	u8 *buffer;
-	int speed, speed2, acceleration;
-	int retval;
-
-	buffer = kzalloc(8, GFP_KERNEL);
-	if (!buffer) {
-		dev_err(&mc->intf->dev, "%s - out of memory\n", __func__);
-		return -ENOMEM;
-	}
-
-	acceleration = mc->acceleration[motor] * 10;
-	/* -127 <= speed <= 127 */
-	speed = (mc->desired_speed[motor] * 127) / 100;
-	/* -0x7300 <= speed2 <= 0x7300 */
-	speed2 = (mc->desired_speed[motor] * 230 * 128) / 100;
-
-	buffer[0] = motor;
-	buffer[1] = speed;
-	buffer[2] = acceleration >> 8;
-	buffer[3] = acceleration;
-	buffer[4] = speed2 >> 8;
-	buffer[5] = speed2;
-
-	retval = usb_control_msg(mc->udev,
-			 usb_sndctrlpipe(mc->udev, 0),
-			 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
-
-	if (retval != 8)
-		dev_err(&mc->intf->dev, "usb_control_msg returned %d\n",
-				retval);
-	kfree(buffer);
-
-	return retval < 0 ? retval : 0;
-}
-
-static void motorcontrol_irq(struct urb *urb)
-{
-	struct motorcontrol *mc = urb->context;
-	unsigned char *buffer = mc->data;
-	int i, level;
-	int retval;
-	int status = urb->status;;
-
-	switch (status) {
-	case 0:			/* success */
-		break;
-	case -ECONNRESET:	/* unlink */
-	case -ENOENT:
-	case -ESHUTDOWN:
-		return;
-	/* -EPIPE:  should clear the halt */
-	default:		/* error */
-		goto resubmit;
-	}
-
-	/* digital inputs */
-	for (i=0; i<4; i++) {
-		level = (buffer[0] >> i) & 1;
-		if (mc->inputs[i] != level) {
-			mc->inputs[i] = level;
-			set_bit(i, &mc->input_events);
-		}
-	}
-
-	/* motor speed */
-	if (buffer[2] == 0) {
-		for (i=0; i<2; i++) {
-		level = ((s8)buffer[4+i]) * 100 / 127;
-			if (mc->speed[i] != level) {
-				mc->speed[i] = level;
-				set_bit(i, &mc->speed_events);
-			}
-		}
-	} else {
-		int index = buffer[3] & 1;
-
-		level = ((s8)buffer[4] << 8) | buffer[5];
-		level = level * 100 / 29440;
-		if (mc->speed[index] != level) {
-			mc->speed[index] = level;
-			set_bit(index, &mc->speed_events);
-		}
-
-		level = ((s8)buffer[6] << 8) | buffer[7];
-		mc->_current[index] = level * 100 / 1572;
-	}
-
-	if (buffer[1] & 1)
-		set_bit(0, &mc->exceed_events);
-
-	if (buffer[1] & 2)
-		set_bit(1, &mc->exceed_events);
-
-	if (mc->input_events || mc->exceed_events || mc->speed_events)
-		schedule_delayed_work(&mc->do_notify, 0);
-
-resubmit:
-	retval = usb_submit_urb(urb, GFP_ATOMIC);
-	if (retval)
-		dev_err(&mc->intf->dev,
-			"can't resubmit intr, %s-%s/motorcontrol0, retval %d\n",
-			mc->udev->bus->bus_name,
-			mc->udev->devpath, retval);
-}
-
-static void do_notify(struct work_struct *work)
-{
-	struct motorcontrol *mc =
-		container_of(work, struct motorcontrol, do_notify.work);
-	int i;
-	char sysfs_file[8];
-
-	for (i=0; i<4; i++) {
-		if (test_and_clear_bit(i, &mc->input_events)) {
-			sprintf(sysfs_file, "input%d", i);
-			sysfs_notify(&mc->dev->kobj, NULL, sysfs_file);
-		}
-	}
-
-	for (i=0; i<2; i++) {
-		if (test_and_clear_bit(i, &mc->speed_events)) {
-			sprintf(sysfs_file, "speed%d", i);
-			sysfs_notify(&mc->dev->kobj, NULL, sysfs_file);
-		}
-	}
-
-	for (i=0; i<2; i++) {
-		if (test_and_clear_bit(i, &mc->exceed_events))
-			dev_warn(&mc->intf->dev,
-				"motor #%d exceeds 1.5 Amp current limit\n", i);
-	}
-}
-
-#define show_set_speed(value)		\
-static ssize_t set_speed##value(struct device *dev,			\
-					struct device_attribute *attr,	\
-					const char *buf, size_t count)	\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-	int speed;							\
-	int retval;							\
-									\
-	if (sscanf(buf, "%d", &speed) < 1)				\
-		return -EINVAL;						\
-									\
-	if (speed < -100 || speed > 100)				\
-		return -EINVAL;						\
-									\
-	mc->desired_speed[value] = speed;				\
-									\
-	retval = set_motor(mc, value);					\
-									\
-	return retval ? retval : count;					\
-}									\
-									\
-static ssize_t show_speed##value(struct device *dev,			\
-					struct device_attribute *attr,	\
-					char *buf)			\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-									\
-	return sprintf(buf, "%d\n", mc->speed[value]);			\
-}
-
-#define speed_attr(value) 						\
-	__ATTR(speed##value, S_IWUGO | S_IRUGO, 			\
-		show_speed##value, set_speed##value)
-
-show_set_speed(0);
-show_set_speed(1);
-
-#define show_set_acceleration(value)		\
-static ssize_t set_acceleration##value(struct device *dev, 		\
-					struct device_attribute *attr,	\
-					const char *buf, size_t count)	\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-	int acceleration;						\
-	int retval;							\
-									\
-	if (sscanf(buf, "%d", &acceleration) < 1)			\
-		return -EINVAL;						\
-									\
-	if (acceleration < 0 || acceleration > 100)			\
-		return -EINVAL;						\
-									\
-	mc->acceleration[value] = acceleration;				\
-									\
-	retval = set_motor(mc, value);					\
-									\
-	return retval ? retval : count;					\
-}									\
-									\
-static ssize_t show_acceleration##value(struct device *dev,	 	\
-					struct device_attribute *attr,	\
-							char *buf)	\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-									\
-	return sprintf(buf, "%d\n", mc->acceleration[value]);		\
-}
-
-#define acceleration_attr(value)	\
-	__ATTR(acceleration##value, S_IWUGO | S_IRUGO,			\
-		show_acceleration##value, set_acceleration##value)
-
-show_set_acceleration(0);
-show_set_acceleration(1);
-
-#define show_current(value)	\
-static ssize_t show_current##value(struct device *dev,			\
-					struct device_attribute *attr,	\
-					char *buf)			\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-									\
-	return sprintf(buf, "%dmA\n", (int)mc->_current[value]);	\
-}
-
-#define current_attr(value)	\
-	__ATTR(current##value, S_IRUGO, show_current##value, NULL)
-
-show_current(0);
-show_current(1);
-
-#define show_input(value)	\
-static ssize_t show_input##value(struct device *dev,			\
-					struct device_attribute *attr,	\
-					char *buf)			\
-{									\
-	struct motorcontrol *mc = dev_get_drvdata(dev);			\
-									\
-	return sprintf(buf, "%d\n", (int)mc->inputs[value]);		\
-}
-
-#define input_attr(value)	\
-	__ATTR(input##value, S_IRUGO, show_input##value, NULL)
-
-show_input(0);
-show_input(1);
-show_input(2);
-show_input(3);
-
-static struct device_attribute dev_attrs[] = {
-	input_attr(0),
-	input_attr(1),
-	input_attr(2),
-	input_attr(3),
-	speed_attr(0),
-	speed_attr(1),
-	acceleration_attr(0),
-	acceleration_attr(1),
-	current_attr(0),
-	current_attr(1)
-};
-
-static int motorcontrol_probe(struct usb_interface *intf, const struct usb_device_id *id)
-{
-	struct usb_device *dev = interface_to_usbdev(intf);
-	struct usb_host_interface *interface;
-	struct usb_endpoint_descriptor *endpoint;
-	struct motorcontrol *mc;
-	int pipe, maxp, rc = -ENOMEM;
-	int bit, value, i;
-
-	interface = intf->cur_altsetting;
-	if (interface->desc.bNumEndpoints != 1)
-		return -ENODEV;
-
-	endpoint = &interface->endpoint[0].desc;
-	if (!usb_endpoint_dir_in(endpoint))
-		return -ENODEV;
-
-	/*
-	 * bmAttributes
-	 */
-	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
-	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
-
-	mc = kzalloc(sizeof(*mc), GFP_KERNEL);
-	if (!mc)
-		goto out;
-
-	mc->dev_no = -1;
-	mc->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &mc->data_dma);
-	if (!mc->data)
-		goto out;
-
-	mc->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!mc->irq)
-		goto out;
-
-	mc->udev = usb_get_dev(dev);
-	mc->intf = intf;
-	mc->acceleration[0] = mc->acceleration[1] = 10;
-	INIT_DELAYED_WORK(&mc->do_notify, do_notify);
-	usb_fill_int_urb(mc->irq, mc->udev, pipe, mc->data,
-			maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp,
-			motorcontrol_irq, mc, endpoint->bInterval);
-	mc->irq->transfer_dma = mc->data_dma;
-	mc->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	usb_set_intfdata(intf, mc);
-
-	do {
-		bit = find_first_zero_bit(&device_no, sizeof(device_no));
-		value = test_and_set_bit(bit, &device_no);
-	} while(value);
-	mc->dev_no = bit;
-
-	mc->dev = device_create(phidget_class, &mc->udev->dev, MKDEV(0, 0), mc,
-				"motorcontrol%d", mc->dev_no);
-	if (IS_ERR(mc->dev)) {
-		rc = PTR_ERR(mc->dev);
-		mc->dev = NULL;
-		goto out;
-	}
-
-	if (usb_submit_urb(mc->irq, GFP_KERNEL)) {
-		rc = -EIO;
-		goto out;
-	}
-
-	for (i=0; i<ARRAY_SIZE(dev_attrs); i++) {
-		rc = device_create_file(mc->dev, &dev_attrs[i]);
-		if (rc)
-			goto out2;
-	}
-
-	dev_info(&intf->dev, "USB PhidgetMotorControl attached\n");
-
-	return 0;
-out2:
-	while (i-- > 0)
-		device_remove_file(mc->dev, &dev_attrs[i]);
-out:
-	if (mc) {
-		usb_free_urb(mc->irq);
-		if (mc->data)
-			usb_buffer_free(dev, URB_INT_SIZE, mc->data, mc->data_dma);
-		if (mc->dev)
-			device_unregister(mc->dev);
-		if (mc->dev_no >= 0)
-			clear_bit(mc->dev_no, &device_no);
-
-		kfree(mc);
-	}
-
-	return rc;
-}
-
-static void motorcontrol_disconnect(struct usb_interface *interface)
-{
-	struct motorcontrol *mc;
-	int i;
-
-	mc = usb_get_intfdata(interface);
-	usb_set_intfdata(interface, NULL);
-	if (!mc)
-		return;
-
-	usb_kill_urb(mc->irq);
-	usb_free_urb(mc->irq);
-	usb_buffer_free(mc->udev, URB_INT_SIZE, mc->data, mc->data_dma);
-
-	cancel_delayed_work(&mc->do_notify);
-
-	for (i=0; i<ARRAY_SIZE(dev_attrs); i++)
-		device_remove_file(mc->dev, &dev_attrs[i]);
-
-	device_unregister(mc->dev);
-
-	usb_put_dev(mc->udev);
-	clear_bit(mc->dev_no, &device_no);
-	kfree(mc);
-
-	dev_info(&interface->dev, "USB PhidgetMotorControl detached\n");
-}
-
-static struct usb_driver motorcontrol_driver = {
-	.name = "phidgetmotorcontrol",
-	.probe = motorcontrol_probe,
-	.disconnect = motorcontrol_disconnect,
-	.id_table = id_table
-};
-
-static int __init motorcontrol_init(void)
-{
-	int retval = 0;
-
-	retval = usb_register(&motorcontrol_driver);
-	if (retval)
-		err("usb_register failed. Error number %d", retval);
-
-	return retval;
-}
-
-static void __exit motorcontrol_exit(void)
-{
-	usb_deregister(&motorcontrol_driver);
-}
-
-module_init(motorcontrol_init);
-module_exit(motorcontrol_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");