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USB: remove phidget drivers from kernel tree.

Browse Source 
These devices are better controlled with the LGPL userspace library
found at:
	http://www.phidgets.com/downloads.php?os_id=3
and full documentation at:
	http://www.phidgets.com/documentation/web/cdoc/index.html

Cc: Chester Fitchett <fitchett@phidgets.com>
Acked-by: Sean Young <sean@mess.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2009-03-04 16:23:31 -08:00
parent 8c209e6782
commit 77aa2b5878
7 changed files with 0 additions and 1678 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/usb/misc/Kconfig
View File

@ -135,45 +135,6 @@ config USB_CYTHERM
To compile this driver as a module, choose M here: the
module will be called cytherm.
config USB_PHIDGET
tristate "USB Phidgets drivers"
depends on USB
help
Say Y here to enable the various drivers for devices from
Phidgets inc.
config USB_PHIDGETKIT
tristate "USB PhidgetInterfaceKit support"
depends on USB_PHIDGET
help
Say Y here if you want to connect a PhidgetInterfaceKit USB device
from Phidgets Inc.
To compile this driver as a module, choose M here: the
module will be called phidgetkit.
config USB_PHIDGETMOTORCONTROL
tristate "USB PhidgetMotorControl support"
depends on USB_PHIDGET
help
Say Y here if you want to connect a PhidgetMotorControl USB device
from Phidgets Inc.
To compile this driver as a module, choose M here: the
module will be called phidgetmotorcontrol.
config USB_PHIDGETSERVO
tristate "USB PhidgetServo support"
depends on USB_PHIDGET
help
Say Y here if you want to connect an 1 or 4 Motor PhidgetServo
servo controller version 2.0 or 3.0.
Phidgets Inc. has a web page at <http://www.phidgets.com/>.
To compile this driver as a module, choose M here: the
module will be called phidgetservo.
config USB_IDMOUSE
tristate "Siemens ID USB Mouse Fingerprint sensor support"
depends on USB

4
drivers/usb/misc/Makefile
View File

@ -18,10 +18,6 @@ obj-$(CONFIG_USB_LCD) += usblcd.o
obj-$(CONFIG_USB_LD) += ldusb.o
obj-$(CONFIG_USB_LED) += usbled.o
obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o
obj-$(CONFIG_USB_PHIDGET) += phidget.o
obj-$(CONFIG_USB_PHIDGETKIT) += phidgetkit.o
obj-$(CONFIG_USB_PHIDGETMOTORCONTROL) += phidgetmotorcontrol.o
obj-$(CONFIG_USB_PHIDGETSERVO) += phidgetservo.o
obj-$(CONFIG_USB_RIO500) += rio500.o
obj-$(CONFIG_USB_TEST) += usbtest.o
obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o

43
drivers/usb/misc/phidget.c
View File

@ -1,43 +0,0 @@
/*
* USB Phidgets class
*
* 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/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/device.h>
struct class *phidget_class;
static int __init init_phidget(void)
{
phidget_class = class_create(THIS_MODULE, "phidget");
if (IS_ERR(phidget_class))
return PTR_ERR(phidget_class);
return 0;
}
static void __exit cleanup_phidget(void)
{
class_destroy(phidget_class);
}
EXPORT_SYMBOL_GPL(phidget_class);
module_init(init_phidget);
module_exit(cleanup_phidget);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Sean Young <sean@mess.org>");
MODULE_DESCRIPTION("Container module for phidget class");

12
drivers/usb/misc/phidget.h
View File

@ -1,12 +0,0 @@
/*
* USB Phidgets class
*
* 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.
*/
extern struct class *phidget_class;

740
drivers/usb/misc/phidgetkit.c
View File

@ -1,740 +0,0 @@
/*
* USB PhidgetInterfaceKit driver 1.0
*
* Copyright (C) 2004, 2006 Sean Young <sean@mess.org>
* Copyright (C) 2005 Daniel Saakes <daniel@saakes.net>
* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
*
* 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 is a driver for the USB PhidgetInterfaceKit.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>
#include "phidget.h"
#define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
#define DRIVER_DESC "USB PhidgetInterfaceKit Driver"
#define USB_VENDOR_ID_GLAB 0x06c2
#define USB_DEVICE_ID_INTERFACEKIT004 0x0040
#define USB_DEVICE_ID_INTERFACEKIT01616 0x0044
#define USB_DEVICE_ID_INTERFACEKIT888 0x0045
#define USB_DEVICE_ID_INTERFACEKIT047 0x0051
#define USB_DEVICE_ID_INTERFACEKIT088 0x0053
#define USB_VENDOR_ID_WISEGROUP 0x0925
#define USB_DEVICE_ID_INTERFACEKIT884 0x8201
#define MAX_INTERFACES 16
#define URB_INT_SIZE 8
struct driver_interfacekit {
int sensors;
int inputs;
int outputs;
int has_lcd;
int amnesiac;
};
#define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac) \
{ \
.sensors = _sensors, \
.inputs = _inputs, \
.outputs = _outputs, \
.has_lcd = _lcd, \
.amnesiac = _amnesiac \
};
static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0);
static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1);
static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0);
static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0);
static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0);
static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0);
static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0);
static unsigned long device_no;
struct interfacekit {
struct usb_device *udev;
struct usb_interface *intf;
struct driver_interfacekit *ifkit;
struct device *dev;
unsigned long outputs;
int dev_no;
u8 inputs[MAX_INTERFACES];
u16 sensors[MAX_INTERFACES];
u8 lcd_files_on;
struct urb *irq;
unsigned char *data;
dma_addr_t data_dma;
struct delayed_work do_notify;
struct delayed_work do_resubmit;
unsigned long input_events;
unsigned long sensor_events;
};
static struct usb_device_id id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004),
.driver_info = (kernel_ulong_t)&ph_004},
{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814),
.driver_info = (kernel_ulong_t)&ph_888o},
{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff),
.driver_info = (kernel_ulong_t)&ph_888n},
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047),
.driver_info = (kernel_ulong_t)&ph_047},
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088),
.driver_info = (kernel_ulong_t)&ph_088},
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616),
.driver_info = (kernel_ulong_t)&ph_01616},
{USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884),
.driver_info = (kernel_ulong_t)&ph_884},
{}
};
MODULE_DEVICE_TABLE(usb, id_table);
static int set_outputs(struct interfacekit *kit)
{
u8 *buffer;
int retval;
buffer = kzalloc(4, GFP_KERNEL);
if (!buffer) {
dev_err(&kit->udev->dev, "%s - out of memory\n", __func__);
return -ENOMEM;
}
buffer[0] = (u8)kit->outputs;
buffer[1] = (u8)(kit->outputs >> 8);
dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs);
retval = usb_control_msg(kit->udev,
usb_sndctrlpipe(kit->udev, 0),
0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000);
if (retval != 4)
dev_err(&kit->udev->dev, "usb_control_msg returned %d\n",
retval);
kfree(buffer);
if (kit->ifkit->amnesiac)
schedule_delayed_work(&kit->do_resubmit, HZ / 2);
return retval < 0 ? retval : 0;
}
static int change_string(struct interfacekit *kit, const char *display, unsigned char row)
{
unsigned char *buffer;
unsigned char *form_buffer;
int retval = -ENOMEM;
int i,j, len, buf_ptr;
buffer = kmalloc(8, GFP_KERNEL);
form_buffer = kmalloc(30, GFP_KERNEL);
if ((!buffer) || (!form_buffer)) {
dev_err(&kit->udev->dev, "%s - out of memory\n", __func__);
goto exit;
}
len = strlen(display);
if (len > 20)
len = 20;
dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display);
form_buffer[0] = row * 0x40 + 0x80;
form_buffer[1] = 0x02;
buf_ptr = 2;
for (i = 0; i<len; i++)
form_buffer[buf_ptr++] = display[i];
for (i = 0; i < (20 - len); i++)
form_buffer[buf_ptr++] = 0x20;
form_buffer[buf_ptr++] = 0x01;
form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display);
for (i = 0; i < buf_ptr; i += 7) {
if ((buf_ptr - i) > 7)
len = 7;
else
len = (buf_ptr - i);
for (j = 0; j < len; j++)
buffer[j] = form_buffer[i + j];
buffer[7] = len;
retval = usb_control_msg(kit->udev,
usb_sndctrlpipe(kit->udev, 0),
0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
if (retval < 0)
goto exit;
}
retval = 0;
exit:
kfree(buffer);
kfree(form_buffer);
return retval;
}
#define set_lcd_line(number) \
static ssize_t lcd_line_##number(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
struct interfacekit *kit = dev_get_drvdata(dev); \
change_string(kit, buf, number - 1); \
return count; \
}
#define lcd_line_attr(number) \
__ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number)
set_lcd_line(1);
set_lcd_line(2);
static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct interfacekit *kit = dev_get_drvdata(dev);
int enabled;
unsigned char *buffer;
int retval = -ENOMEM;
buffer = kzalloc(8, GFP_KERNEL);
if (!buffer) {
dev_err(&kit->udev->dev, "%s - out of memory\n", __func__);
goto exit;
}
if (sscanf(buf, "%d", &enabled) < 1) {
retval = -EINVAL;
goto exit;
}
if (enabled)
buffer[0] = 0x01;
buffer[7] = 0x11;
dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off");
retval = usb_control_msg(kit->udev,
usb_sndctrlpipe(kit->udev, 0),
0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
if (retval < 0)
goto exit;
retval = count;
exit:
kfree(buffer);
return retval;
}
static struct device_attribute dev_lcd_line_attrs[] = {
lcd_line_attr(1),
lcd_line_attr(2),
__ATTR(backlight, S_IWUGO, NULL, set_backlight)
};
static void remove_lcd_files(struct interfacekit *kit)
{
int i;
if (kit->lcd_files_on) {
dev_dbg(&kit->udev->dev, "Removing lcd files\n");
for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++)
device_remove_file(kit->dev, &dev_lcd_line_attrs[i]);
}
}
static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct interfacekit *kit = dev_get_drvdata(dev);
int enable;
int i, rc;
if (kit->ifkit->has_lcd == 0)
return -ENODEV;
if (sscanf(buf, "%d", &enable) < 1)
return -EINVAL;
if (enable) {
if (!kit->lcd_files_on) {
dev_dbg(&kit->udev->dev, "Adding lcd files\n");
for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) {
rc = device_create_file(kit->dev,
&dev_lcd_line_attrs[i]);
if (rc)
goto out;
}
kit->lcd_files_on = 1;
}
} else {
if (kit->lcd_files_on) {
remove_lcd_files(kit);
kit->lcd_files_on = 0;
}
}
return count;
out:
while (i-- > 0)
device_remove_file(kit->dev, &dev_lcd_line_attrs[i]);
return rc;
}
static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files);
static void interfacekit_irq(struct urb *urb)
{
struct interfacekit *kit = urb->context;
unsigned char *buffer = kit->data;
int i, level, sensor;
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 */
if (kit->ifkit->inputs == 16) {
for (i=0; i < 8; i++) {
level = (buffer[0] >> i) & 1;
if (kit->inputs[i] != level) {
kit->inputs[i] = level;
set_bit(i, &kit->input_events);
}
level = (buffer[1] >> i) & 1;
if (kit->inputs[8 + i] != level) {
kit->inputs[8 + i] = level;
set_bit(8 + i, &kit->input_events);
}
}
}
else if (kit->ifkit->inputs == 8) {
for (i=0; i < 8; i++) {
level = (buffer[1] >> i) & 1;
if (kit->inputs[i] != level) {
kit->inputs[i] = level;
set_bit(i, &kit->input_events);
}
}
}
/* analog inputs */
if (kit->ifkit->sensors) {
sensor = (buffer[0] & 1) ? 4 : 0;
level = buffer[2] + (buffer[3] & 0x0f) * 256;
if (level != kit->sensors[sensor]) {
kit->sensors[sensor] = level;
set_bit(sensor, &kit->sensor_events);
}
sensor++;
level = buffer[4] + (buffer[3] & 0xf0) * 16;
if (level != kit->sensors[sensor]) {
kit->sensors[sensor] = level;
set_bit(sensor, &kit->sensor_events);
}
sensor++;
level = buffer[5] + (buffer[6] & 0x0f) * 256;
if (level != kit->sensors[sensor]) {
kit->sensors[sensor] = level;
set_bit(sensor, &kit->sensor_events);
}
sensor++;
level = buffer[7] + (buffer[6] & 0xf0) * 16;
if (level != kit->sensors[sensor]) {
kit->sensors[sensor] = level;
set_bit(sensor, &kit->sensor_events);
}
}
if (kit->input_events || kit->sensor_events)
schedule_delayed_work(&kit->do_notify, 0);
resubmit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err("can't resubmit intr, %s-%s/interfacekit0, retval %d",
kit->udev->bus->bus_name,
kit->udev->devpath, retval);
}
static void do_notify(struct work_struct *work)
{
struct interfacekit *kit =
container_of(work, struct interfacekit, do_notify.work);
int i;
char sysfs_file[8];
for (i=0; i<kit->ifkit->inputs; i++) {
if (test_and_clear_bit(i, &kit->input_events)) {
sprintf(sysfs_file, "input%d", i + 1);
sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
}
}
for (i=0; i<kit->ifkit->sensors; i++) {
if (test_and_clear_bit(i, &kit->sensor_events)) {
sprintf(sysfs_file, "sensor%d", i + 1);
sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
}
}
}
static void do_resubmit(struct work_struct *work)
{
struct interfacekit *kit =
container_of(work, struct interfacekit, do_resubmit.work);
set_outputs(kit);
}
#define show_set_output(value) \
static ssize_t set_output##value(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
struct interfacekit *kit = dev_get_drvdata(dev); \
int enable; \
int retval; \
\
if (sscanf(buf, "%d", &enable) < 1) \
return -EINVAL; \
\
if (enable) \
set_bit(value - 1, &kit->outputs); \
else \
clear_bit(value - 1, &kit->outputs); \
\
retval = set_outputs(kit); \
\
return retval ? retval : count; \
} \
\
static ssize_t show_output##value(struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\
}
#define output_attr(value) \
__ATTR(output##value, S_IWUGO | S_IRUGO, \
show_output##value, set_output##value)
show_set_output(1);
show_set_output(2);
show_set_output(3);
show_set_output(4);
show_set_output(5);
show_set_output(6);
show_set_output(7);
show_set_output(8);
show_set_output(9);
show_set_output(10);
show_set_output(11);
show_set_output(12);
show_set_output(13);
show_set_output(14);
show_set_output(15);
show_set_output(16);
static struct device_attribute dev_output_attrs[] = {
output_attr(1), output_attr(2), output_attr(3), output_attr(4),
output_attr(5), output_attr(6), output_attr(7), output_attr(8),
output_attr(9), output_attr(10), output_attr(11), output_attr(12),
output_attr(13), output_attr(14), output_attr(15), output_attr(16)
};
#define show_input(value) \
static ssize_t show_input##value(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \
}
#define input_attr(value) \
__ATTR(input##value, S_IRUGO, show_input##value, NULL)
show_input(1);
show_input(2);
show_input(3);
show_input(4);
show_input(5);
show_input(6);
show_input(7);
show_input(8);
show_input(9);
show_input(10);
show_input(11);
show_input(12);
show_input(13);
show_input(14);
show_input(15);
show_input(16);
static struct device_attribute dev_input_attrs[] = {
input_attr(1), input_attr(2), input_attr(3), input_attr(4),
input_attr(5), input_attr(6), input_attr(7), input_attr(8),
input_attr(9), input_attr(10), input_attr(11), input_attr(12),
input_attr(13), input_attr(14), input_attr(15), input_attr(16)
};
#define show_sensor(value) \
static ssize_t show_sensor##value(struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \
}
#define sensor_attr(value) \
__ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL)
show_sensor(1);
show_sensor(2);
show_sensor(3);
show_sensor(4);
show_sensor(5);
show_sensor(6);
show_sensor(7);
show_sensor(8);
static struct device_attribute dev_sensor_attrs[] = {
sensor_attr(1), sensor_attr(2), sensor_attr(3), sensor_attr(4),
sensor_attr(5), sensor_attr(6), sensor_attr(7), sensor_attr(8)
};
static int interfacekit_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 interfacekit *kit;
struct driver_interfacekit *ifkit;
int pipe, maxp, rc = -ENOMEM;
int bit, value, i;
ifkit = (struct driver_interfacekit *)id->driver_info;
if (!ifkit)
return -ENODEV;
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));
kit = kzalloc(sizeof(*kit), GFP_KERNEL);
if (!kit)
goto out;
kit->dev_no = -1;
kit->ifkit = ifkit;
kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &kit->data_dma);
if (!kit->data)
goto out;
kit->irq = usb_alloc_urb(0, GFP_KERNEL);
if (!kit->irq)
goto out;
kit->udev = usb_get_dev(dev);
kit->intf = intf;
INIT_DELAYED_WORK(&kit->do_notify, do_notify);
INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit);
usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data,
maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp,
interfacekit_irq, kit, endpoint->bInterval);
kit->irq->transfer_dma = kit->data_dma;
kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
usb_set_intfdata(intf, kit);
do {
bit = find_first_zero_bit(&device_no, sizeof(device_no));
value = test_and_set_bit(bit, &device_no);
} while(value);
kit->dev_no = bit;
kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0),
kit, "interfacekit%d", kit->dev_no);
if (IS_ERR(kit->dev)) {
rc = PTR_ERR(kit->dev);
kit->dev = NULL;
goto out;
}
if (usb_submit_urb(kit->irq, GFP_KERNEL)) {
rc = -EIO;
goto out;
}
for (i=0; i<ifkit->outputs; i++ ) {
rc = device_create_file(kit->dev, &dev_output_attrs[i]);
if (rc)
goto out2;
}
for (i=0; i<ifkit->inputs; i++ ) {
rc = device_create_file(kit->dev, &dev_input_attrs[i]);
if (rc)
goto out3;
}
for (i=0; i<ifkit->sensors; i++ ) {
rc = device_create_file(kit->dev, &dev_sensor_attrs[i]);
if (rc)
goto out4;
}
if (ifkit->has_lcd) {
rc = device_create_file(kit->dev, &dev_attr_lcd);
if (rc)
goto out4;
}
dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n",
ifkit->sensors, ifkit->inputs, ifkit->outputs);
return 0;
out4:
while (i-- > 0)
device_remove_file(kit->dev, &dev_sensor_attrs[i]);
i = ifkit->inputs;
out3:
while (i-- > 0)
device_remove_file(kit->dev, &dev_input_attrs[i]);
i = ifkit->outputs;
out2:
while (i-- > 0)
device_remove_file(kit->dev, &dev_output_attrs[i]);
out:
if (kit) {
usb_free_urb(kit->irq);
if (kit->data)
usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma);
if (kit->dev)
device_unregister(kit->dev);
if (kit->dev_no >= 0)
clear_bit(kit->dev_no, &device_no);
kfree(kit);
}
return rc;
}
static void interfacekit_disconnect(struct usb_interface *interface)
{
struct interfacekit *kit;
int i;
kit = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
if (!kit)
return;
usb_kill_urb(kit->irq);
usb_free_urb(kit->irq);
usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma);
cancel_delayed_work(&kit->do_notify);
cancel_delayed_work(&kit->do_resubmit);
for (i=0; i<kit->ifkit->outputs; i++)
device_remove_file(kit->dev, &dev_output_attrs[i]);
for (i=0; i<kit->ifkit->inputs; i++)
device_remove_file(kit->dev, &dev_input_attrs[i]);
for (i=0; i<kit->ifkit->sensors; i++)
device_remove_file(kit->dev, &dev_sensor_attrs[i]);
if (kit->ifkit->has_lcd) {
device_remove_file(kit->dev, &dev_attr_lcd);
remove_lcd_files(kit);
}
device_unregister(kit->dev);
dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n",
kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs);
usb_put_dev(kit->udev);
clear_bit(kit->dev_no, &device_no);
kfree(kit);
}
static struct usb_driver interfacekit_driver = {
.name = "phidgetkit",
.probe = interfacekit_probe,
.disconnect = interfacekit_disconnect,
.id_table = id_table
};
static int __init interfacekit_init(void)
{
int retval = 0;
retval = usb_register(&interfacekit_driver);
if (retval)
err("usb_register failed. Error number %d", retval);
return retval;
}
static void __exit interfacekit_exit(void)
{
usb_deregister(&interfacekit_driver);
}
module_init(interfacekit_init);
module_exit(interfacekit_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");

465
drivers/usb/misc/phidgetmotorcontrol.c
View File

@ -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");

375
drivers/usb/misc/phidgetservo.c
View File

@ -1,375 +0,0 @@
/*
* USB PhidgetServo driver 1.0
*
* Copyright (C) 2004, 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.
*
* This is a driver for the USB PhidgetServo version 2.0 and 3.0 servo
* controllers available at: http://www.phidgets.com/
*
* Note that the driver takes input as: degrees.minutes
*
* CAUTION: Generally you should use 0 < degrees < 180 as anything else
* is probably beyond the range of your servo and may damage it.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>
#include "phidget.h"
#define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
#define DRIVER_DESC "USB PhidgetServo Driver"
#define VENDOR_ID_GLAB 0x06c2
#define DEVICE_ID_GLAB_PHIDGETSERVO_QUAD 0x0038
#define DEVICE_ID_GLAB_PHIDGETSERVO_UNI 0x0039
#define VENDOR_ID_WISEGROUP 0x0925
#define VENDOR_ID_WISEGROUP_PHIDGETSERVO_QUAD 0x8101
#define VENDOR_ID_WISEGROUP_PHIDGETSERVO_UNI 0x8104
#define SERVO_VERSION_30 0x01
#define SERVO_COUNT_QUAD 0x02
static struct usb_device_id id_table[] = {
{
USB_DEVICE(VENDOR_ID_GLAB, DEVICE_ID_GLAB_PHIDGETSERVO_QUAD),
.driver_info = SERVO_VERSION_30 | SERVO_COUNT_QUAD
},
{
USB_DEVICE(VENDOR_ID_GLAB, DEVICE_ID_GLAB_PHIDGETSERVO_UNI),
.driver_info = SERVO_VERSION_30
},
{
USB_DEVICE(VENDOR_ID_WISEGROUP,
VENDOR_ID_WISEGROUP_PHIDGETSERVO_QUAD),
.driver_info = SERVO_COUNT_QUAD
},
{
USB_DEVICE(VENDOR_ID_WISEGROUP,
VENDOR_ID_WISEGROUP_PHIDGETSERVO_UNI),
.driver_info = 0
},
{}
};
MODULE_DEVICE_TABLE(usb, id_table);
static int unsigned long device_no;
struct phidget_servo {
struct usb_device *udev;
struct device *dev;
int dev_no;
ulong type;
int pulse[4];
int degrees[4];
int minutes[4];
};
static int
change_position_v30(struct phidget_servo *servo, int servo_no, int degrees,
int minutes)
{
int retval;
unsigned char *buffer;
if (degrees < -23 || degrees > 362)
return -EINVAL;
buffer = kmalloc(6, GFP_KERNEL);
if (!buffer) {
dev_err(&servo->udev->dev, "%s - out of memory\n",
__func__);
return -ENOMEM;
}
/*
* pulse = 0 - 4095
* angle = 0 - 180 degrees
*
* pulse = angle * 10.6 + 243.8
*/
servo->pulse[servo_no] = ((degrees*60 + minutes)*106 + 2438*60)/600;
servo->degrees[servo_no]= degrees;
servo->minutes[servo_no]= minutes;
/*
* The PhidgetServo v3.0 is controlled by sending 6 bytes,
* 4 * 12 bits for each servo.
*
* low = lower 8 bits pulse
* high = higher 4 bits pulse
*
* offset bits
* +---+-----------------+
* | 0 | low 0 |
* +---+--------+--------+
* | 1 | high 1 | high 0 |
* +---+--------+--------+
* | 2 | low 1 |
* +---+-----------------+
* | 3 | low 2 |
* +---+--------+--------+
* | 4 | high 3 | high 2 |
* +---+--------+--------+
* | 5 | low 3 |
* +---+-----------------+
*/
buffer[0] = servo->pulse[0] & 0xff;
buffer[1] = (servo->pulse[0] >> 8 & 0x0f)
| (servo->pulse[1] >> 4 & 0xf0);
buffer[2] = servo->pulse[1] & 0xff;
buffer[3] = servo->pulse[2] & 0xff;
buffer[4] = (servo->pulse[2] >> 8 & 0x0f)
| (servo->pulse[3] >> 4 & 0xf0);
buffer[5] = servo->pulse[3] & 0xff;
dev_dbg(&servo->udev->dev,
"data: %02x %02x %02x %02x %02x %02x\n",
buffer[0], buffer[1], buffer[2],
buffer[3], buffer[4], buffer[5]);
retval = usb_control_msg(servo->udev,
usb_sndctrlpipe(servo->udev, 0),
0x09, 0x21, 0x0200, 0x0000, buffer, 6, 2000);
kfree(buffer);
return retval;
}
static int
change_position_v20(struct phidget_servo *servo, int servo_no, int degrees,
int minutes)
{
int retval;
unsigned char *buffer;
if (degrees < -23 || degrees > 278)
return -EINVAL;
buffer = kmalloc(2, GFP_KERNEL);
if (!buffer) {
dev_err(&servo->udev->dev, "%s - out of memory\n",
__func__);
return -ENOMEM;
}
/*
* angle = 0 - 180 degrees
* pulse = angle + 23
*/
servo->pulse[servo_no]= degrees + 23;
servo->degrees[servo_no]= degrees;
servo->minutes[servo_no]= 0;
/*
* The PhidgetServo v2.0 is controlled by sending two bytes. The
* first byte is the servo number xor'ed with 2:
*
* servo 0 = 2
* servo 1 = 3
* servo 2 = 0
* servo 3 = 1
*
* The second byte is the position.
*/
buffer[0] = servo_no ^ 2;
buffer[1] = servo->pulse[servo_no];
dev_dbg(&servo->udev->dev, "data: %02x %02x\n", buffer[0], buffer[1]);
retval = usb_control_msg(servo->udev,
usb_sndctrlpipe(servo->udev, 0),
0x09, 0x21, 0x0200, 0x0000, buffer, 2, 2000);
kfree(buffer);
return retval;
}
#define show_set(value) \
static ssize_t set_servo##value (struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
int degrees, minutes, retval; \
struct phidget_servo *servo = dev_get_drvdata(dev); \
\
minutes = 0; \
/* must at least convert degrees */ \
if (sscanf(buf, "%d.%d", &degrees, &minutes) < 1) { \
return -EINVAL; \
} \
\
if (minutes < 0 || minutes > 59) \
return -EINVAL; \
\
if (servo->type & SERVO_VERSION_30) \
retval = change_position_v30(servo, value, degrees, \
minutes); \
else \
retval = change_position_v20(servo, value, degrees, \
minutes); \
\
return retval < 0 ? retval : count; \
} \
\
static ssize_t show_servo##value (struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
struct phidget_servo *servo = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d.%02d\n", servo->degrees[value], \
servo->minutes[value]); \
}
#define servo_attr(value) \
__ATTR(servo##value, S_IWUGO | S_IRUGO, \
show_servo##value, set_servo##value)
show_set(0);
show_set(1);
show_set(2);
show_set(3);
static struct device_attribute dev_attrs[] = {
servo_attr(0), servo_attr(1), servo_attr(2), servo_attr(3)
};
static int
servo_probe(struct usb_interface *interface, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(interface);
struct phidget_servo *dev;
int bit, value, rc;
int servo_count, i;
dev = kzalloc(sizeof (struct phidget_servo), GFP_KERNEL);
if (dev == NULL) {
dev_err(&interface->dev, "%s - out of memory\n", __func__);
rc = -ENOMEM;
goto out;
}
dev->udev = usb_get_dev(udev);
dev->type = id->driver_info;
dev->dev_no = -1;
usb_set_intfdata(interface, dev);
do {
bit = find_first_zero_bit(&device_no, sizeof(device_no));
value = test_and_set_bit(bit, &device_no);
} while (value);
dev->dev_no = bit;
dev->dev = device_create(phidget_class, &dev->udev->dev, MKDEV(0, 0),
dev, "servo%d", dev->dev_no);
if (IS_ERR(dev->dev)) {
rc = PTR_ERR(dev->dev);
dev->dev = NULL;
goto out;
}
servo_count = dev->type & SERVO_COUNT_QUAD ? 4 : 1;
for (i=0; i<servo_count; i++) {
rc = device_create_file(dev->dev, &dev_attrs[i]);
if (rc)
goto out2;
}
dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 attached\n",
servo_count, dev->type & SERVO_VERSION_30 ? 3 : 2);
if (!(dev->type & SERVO_VERSION_30))
dev_info(&interface->dev,
"WARNING: v2.0 not tested! Please report if it works.\n");
return 0;
out2:
while (i-- > 0)
device_remove_file(dev->dev, &dev_attrs[i]);
out:
if (dev) {
if (dev->dev)
device_unregister(dev->dev);
if (dev->dev_no >= 0)
clear_bit(dev->dev_no, &device_no);
kfree(dev);
}
return rc;
}
static void
servo_disconnect(struct usb_interface *interface)
{
struct phidget_servo *dev;
int servo_count, i;
dev = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
if (!dev)
return;
servo_count = dev->type & SERVO_COUNT_QUAD ? 4 : 1;
for (i=0; i<servo_count; i++)
device_remove_file(dev->dev, &dev_attrs[i]);
device_unregister(dev->dev);
usb_put_dev(dev->udev);
dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 detached\n",
servo_count, dev->type & SERVO_VERSION_30 ? 3 : 2);
clear_bit(dev->dev_no, &device_no);
kfree(dev);
}
static struct usb_driver servo_driver = {
.name = "phidgetservo",
.probe = servo_probe,
.disconnect = servo_disconnect,
.id_table = id_table
};
static int __init
phidget_servo_init(void)
{
int retval;
retval = usb_register(&servo_driver);
if (retval)
err("usb_register failed. Error number %d", retval);
return retval;
}
static void __exit
phidget_servo_exit(void)
{
usb_deregister(&servo_driver);
}
module_init(phidget_servo_init);
module_exit(phidget_servo_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");