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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
USB: Put phidgets driver in a sysfs class
This patch creates a device class phidget and add the phidget drivers to them. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
d5176b413d
commit
912b24c333
7 changed files with 334 additions and 190 deletions
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@ -115,9 +115,16 @@ config USB_CYTHERM
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To compile this driver as a module, choose M here: the
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module will be called cytherm.
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config USB_PHIDGET
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tristate "USB Phidgets drivers"
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depends on USB
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help
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Say Y here to enable the various drivers for devices from
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Phidgets inc.
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config USB_PHIDGETKIT
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tristate "USB PhidgetInterfaceKit support"
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depends on USB
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depends on USB_PHIDGET
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help
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Say Y here if you want to connect a PhidgetInterfaceKit USB device
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from Phidgets Inc.
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@ -127,7 +134,7 @@ config USB_PHIDGETKIT
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config USB_PHIDGETMOTORCONTROL
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tristate "USB PhidgetMotorControl support"
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depends on USB
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depends on USB_PHIDGET
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help
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Say Y here if you want to connect a PhidgetMotorControl USB device
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from Phidgets Inc.
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@ -137,7 +144,7 @@ config USB_PHIDGETMOTORCONTROL
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config USB_PHIDGETSERVO
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tristate "USB PhidgetServo support"
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depends on USB
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depends on USB_PHIDGET
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help
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Say Y here if you want to connect an 1 or 4 Motor PhidgetServo
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servo controller version 2.0 or 3.0.
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@ -13,6 +13,7 @@ obj-$(CONFIG_USB_LCD) += usblcd.o
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obj-$(CONFIG_USB_LD) += ldusb.o
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obj-$(CONFIG_USB_LED) += usbled.o
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obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o
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obj-$(CONFIG_USB_PHIDGET) += phidget.o
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obj-$(CONFIG_USB_PHIDGETKIT) += phidgetkit.o
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obj-$(CONFIG_USB_PHIDGETMOTORCONTROL) += phidgetmotorcontrol.o
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obj-$(CONFIG_USB_PHIDGETSERVO) += phidgetservo.o
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43
drivers/usb/misc/phidget.c
Normal file
43
drivers/usb/misc/phidget.c
Normal file
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@ -0,0 +1,43 @@
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/*
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* USB Phidgets class
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*
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* Copyright (C) 2006 Sean Young <sean@mess.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/device.h>
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struct class *phidget_class;
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static int __init init_phidget(void)
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{
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phidget_class = class_create(THIS_MODULE, "phidget");
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if (IS_ERR(phidget_class))
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return PTR_ERR(phidget_class);
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return 0;
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}
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static void __exit cleanup_phidget(void)
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{
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class_destroy(phidget_class);
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}
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EXPORT_SYMBOL_GPL(phidget_class);
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module_init(init_phidget);
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module_exit(cleanup_phidget);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Sean Young <sean@mess.org>");
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MODULE_DESCRIPTION("Container module for phidget class");
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12
drivers/usb/misc/phidget.h
Normal file
12
drivers/usb/misc/phidget.h
Normal file
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@ -0,0 +1,12 @@
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/*
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* USB Phidgets class
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*
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* Copyright (C) 2006 Sean Young <sean@mess.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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extern struct class *phidget_class;
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@ -20,6 +20,8 @@
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#include <linux/module.h>
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#include <linux/usb.h>
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#include "phidget.h"
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#define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
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#define DRIVER_DESC "USB PhidgetInterfaceKit Driver"
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@ -57,11 +59,15 @@ ifkit(8, 8, 4, 0);
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ifkit(0, 8, 8, 1);
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ifkit(0, 16, 16, 0);
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static unsigned long device_no;
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struct interfacekit {
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struct usb_device *udev;
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struct usb_interface *intf;
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struct driver_interfacekit *ifkit;
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struct device *dev;
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unsigned long outputs;
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int dev_no;
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u8 inputs[MAX_INTERFACES];
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u16 sensors[MAX_INTERFACES];
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u8 lcd_files_on;
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@ -180,21 +186,21 @@ static int change_string(struct interfacekit *kit, const char *display, unsigned
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}
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#define set_lcd_line(number) \
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static ssize_t lcd_line_##number(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct interfacekit *kit = usb_get_intfdata(intf); \
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change_string(kit, buf, number - 1); \
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return count; \
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} \
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static ssize_t lcd_line_##number(struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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change_string(kit, buf, number - 1); \
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return count; \
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} \
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static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number);
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set_lcd_line(1);
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set_lcd_line(2);
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static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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{
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struct usb_interface *intf = to_usb_interface(dev);
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struct interfacekit *kit = usb_get_intfdata(intf);
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struct interfacekit *kit = dev_get_drvdata(dev);
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int enabled;
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unsigned char *buffer;
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int retval = -ENOMEM;
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@ -232,16 +238,15 @@ static void remove_lcd_files(struct interfacekit *kit)
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{
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if (kit->lcd_files_on) {
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dev_dbg(&kit->udev->dev, "Removing lcd files\n");
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device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1);
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device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2);
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device_remove_file(&kit->intf->dev, &dev_attr_backlight);
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device_remove_file(kit->dev, &dev_attr_lcd_line_1);
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device_remove_file(kit->dev, &dev_attr_lcd_line_2);
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device_remove_file(kit->dev, &dev_attr_backlight);
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}
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}
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static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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{
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struct usb_interface *intf = to_usb_interface(dev);
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struct interfacekit *kit = usb_get_intfdata(intf);
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struct interfacekit *kit = dev_get_drvdata(dev);
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int enable;
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if (kit->ifkit->has_lcd == 0)
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@ -253,9 +258,9 @@ static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *att
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if (enable) {
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if (!kit->lcd_files_on) {
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dev_dbg(&kit->udev->dev, "Adding lcd files\n");
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device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1);
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device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2);
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device_create_file(&kit->intf->dev, &dev_attr_backlight);
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device_create_file(kit->dev, &dev_attr_lcd_line_1);
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device_create_file(kit->dev, &dev_attr_lcd_line_2);
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device_create_file(kit->dev, &dev_attr_backlight);
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kit->lcd_files_on = 1;
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}
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} else {
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@ -362,24 +367,24 @@ static void do_notify(void *data)
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for (i=0; i<kit->ifkit->inputs; i++) {
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if (test_and_clear_bit(i, &kit->input_events)) {
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sprintf(sysfs_file, "input%d", i + 1);
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sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file);
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sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
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}
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}
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for (i=0; i<kit->ifkit->sensors; i++) {
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if (test_and_clear_bit(i, &kit->sensor_events)) {
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sprintf(sysfs_file, "sensor%d", i + 1);
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sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file);
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sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
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}
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}
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}
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#define show_set_output(value) \
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static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \
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size_t count) \
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static ssize_t set_output##value(struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct interfacekit *kit = usb_get_intfdata(intf); \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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int enabled; \
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int retval; \
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\
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@ -391,10 +396,11 @@ static ssize_t set_output##value(struct device *dev, struct device_attribute *at
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return retval ? retval : count; \
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} \
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\
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static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \
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static ssize_t show_output##value(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct interfacekit *kit = usb_get_intfdata(intf); \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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\
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return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\
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} \
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#define show_input(value) \
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static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct interfacekit *kit = usb_get_intfdata(intf); \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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\
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return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \
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} \
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@ -445,10 +450,11 @@ show_input(15);
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show_input(16);
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#define show_sensor(value) \
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static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \
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static ssize_t show_sensor##value(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct interfacekit *kit = usb_get_intfdata(intf); \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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\
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return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \
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} \
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@ -471,6 +477,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
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struct interfacekit *kit;
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struct driver_interfacekit *ifkit;
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int pipe, maxp, rc = -ENOMEM;
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int bit, value;
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ifkit = (struct driver_interfacekit *)id->driver_info;
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if (!ifkit)
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@ -493,6 +500,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
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if (!kit)
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goto out;
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kit->dev_no = -1;
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kit->ifkit = ifkit;
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kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma);
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if (!kit->data)
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@ -513,73 +521,88 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
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usb_set_intfdata(intf, kit);
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do {
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bit = find_first_zero_bit(&device_no, sizeof(device_no));
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value = test_and_set_bit(bit, &device_no);
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} while(value);
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kit->dev_no = bit;
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kit->dev = device_create(phidget_class, &kit->udev->dev, 0,
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"interfacekit%d", kit->dev_no);
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if (IS_ERR(kit->dev)) {
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rc = PTR_ERR(kit->dev);
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kit->dev = NULL;
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goto out;
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}
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dev_set_drvdata(kit->dev, kit);
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if (usb_submit_urb(kit->irq, GFP_KERNEL)) {
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rc = -EIO;
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goto out;
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}
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if (ifkit->outputs >= 4) {
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device_create_file(&intf->dev, &dev_attr_output1);
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device_create_file(&intf->dev, &dev_attr_output2);
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device_create_file(&intf->dev, &dev_attr_output3);
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device_create_file(&intf->dev, &dev_attr_output4);
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device_create_file(kit->dev, &dev_attr_output1);
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device_create_file(kit->dev, &dev_attr_output2);
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device_create_file(kit->dev, &dev_attr_output3);
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device_create_file(kit->dev, &dev_attr_output4);
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}
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if (ifkit->outputs >= 8) {
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device_create_file(&intf->dev, &dev_attr_output5);
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device_create_file(&intf->dev, &dev_attr_output6);
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device_create_file(&intf->dev, &dev_attr_output7);
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device_create_file(&intf->dev, &dev_attr_output8);
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device_create_file(kit->dev, &dev_attr_output5);
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device_create_file(kit->dev, &dev_attr_output6);
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device_create_file(kit->dev, &dev_attr_output7);
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device_create_file(kit->dev, &dev_attr_output8);
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}
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if (ifkit->outputs == 16) {
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device_create_file(&intf->dev, &dev_attr_output9);
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device_create_file(&intf->dev, &dev_attr_output10);
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device_create_file(&intf->dev, &dev_attr_output11);
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device_create_file(&intf->dev, &dev_attr_output12);
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device_create_file(&intf->dev, &dev_attr_output13);
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device_create_file(&intf->dev, &dev_attr_output14);
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device_create_file(&intf->dev, &dev_attr_output15);
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device_create_file(&intf->dev, &dev_attr_output16);
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device_create_file(kit->dev, &dev_attr_output9);
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device_create_file(kit->dev, &dev_attr_output10);
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device_create_file(kit->dev, &dev_attr_output11);
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device_create_file(kit->dev, &dev_attr_output12);
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device_create_file(kit->dev, &dev_attr_output13);
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device_create_file(kit->dev, &dev_attr_output14);
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device_create_file(kit->dev, &dev_attr_output15);
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device_create_file(kit->dev, &dev_attr_output16);
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}
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if (ifkit->inputs >= 4) {
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device_create_file(&intf->dev, &dev_attr_input1);
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device_create_file(&intf->dev, &dev_attr_input2);
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device_create_file(&intf->dev, &dev_attr_input3);
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device_create_file(&intf->dev, &dev_attr_input4);
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device_create_file(kit->dev, &dev_attr_input1);
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device_create_file(kit->dev, &dev_attr_input2);
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device_create_file(kit->dev, &dev_attr_input3);
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device_create_file(kit->dev, &dev_attr_input4);
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}
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if (ifkit->inputs >= 8) {
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device_create_file(&intf->dev, &dev_attr_input5);
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device_create_file(&intf->dev, &dev_attr_input6);
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device_create_file(&intf->dev, &dev_attr_input7);
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device_create_file(&intf->dev, &dev_attr_input8);
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device_create_file(kit->dev, &dev_attr_input5);
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device_create_file(kit->dev, &dev_attr_input6);
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device_create_file(kit->dev, &dev_attr_input7);
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device_create_file(kit->dev, &dev_attr_input8);
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}
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if (ifkit->inputs == 16) {
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device_create_file(&intf->dev, &dev_attr_input9);
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device_create_file(&intf->dev, &dev_attr_input10);
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device_create_file(&intf->dev, &dev_attr_input11);
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device_create_file(&intf->dev, &dev_attr_input12);
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device_create_file(&intf->dev, &dev_attr_input13);
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device_create_file(&intf->dev, &dev_attr_input14);
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device_create_file(&intf->dev, &dev_attr_input15);
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device_create_file(&intf->dev, &dev_attr_input16);
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device_create_file(kit->dev, &dev_attr_input9);
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device_create_file(kit->dev, &dev_attr_input10);
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device_create_file(kit->dev, &dev_attr_input11);
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device_create_file(kit->dev, &dev_attr_input12);
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device_create_file(kit->dev, &dev_attr_input13);
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device_create_file(kit->dev, &dev_attr_input14);
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device_create_file(kit->dev, &dev_attr_input15);
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device_create_file(kit->dev, &dev_attr_input16);
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}
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if (ifkit->sensors >= 4) {
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device_create_file(&intf->dev, &dev_attr_sensor1);
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device_create_file(&intf->dev, &dev_attr_sensor2);
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device_create_file(&intf->dev, &dev_attr_sensor3);
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device_create_file(&intf->dev, &dev_attr_sensor4);
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device_create_file(kit->dev, &dev_attr_sensor1);
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device_create_file(kit->dev, &dev_attr_sensor2);
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device_create_file(kit->dev, &dev_attr_sensor3);
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device_create_file(kit->dev, &dev_attr_sensor4);
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}
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||||
if (ifkit->sensors >= 7) {
|
||||
device_create_file(&intf->dev, &dev_attr_sensor5);
|
||||
device_create_file(&intf->dev, &dev_attr_sensor6);
|
||||
device_create_file(&intf->dev, &dev_attr_sensor7);
|
||||
device_create_file(kit->dev, &dev_attr_sensor5);
|
||||
device_create_file(kit->dev, &dev_attr_sensor6);
|
||||
device_create_file(kit->dev, &dev_attr_sensor7);
|
||||
}
|
||||
if (ifkit->sensors == 8)
|
||||
device_create_file(&intf->dev, &dev_attr_sensor8);
|
||||
device_create_file(kit->dev, &dev_attr_sensor8);
|
||||
|
||||
if (ifkit->has_lcd)
|
||||
device_create_file(&intf->dev, &dev_attr_lcd);
|
||||
device_create_file(kit->dev, &dev_attr_lcd);
|
||||
|
||||
dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n",
|
||||
ifkit->sensors, ifkit->inputs, ifkit->outputs);
|
||||
|
@ -592,6 +615,11 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
|
|||
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);
|
||||
}
|
||||
|
||||
|
@ -614,72 +642,76 @@ static void interfacekit_disconnect(struct usb_interface *interface)
|
|||
cancel_delayed_work(&kit->do_notify);
|
||||
|
||||
if (kit->ifkit->outputs >= 4) {
|
||||
device_remove_file(&interface->dev, &dev_attr_output1);
|
||||
device_remove_file(&interface->dev, &dev_attr_output2);
|
||||
device_remove_file(&interface->dev, &dev_attr_output3);
|
||||
device_remove_file(&interface->dev, &dev_attr_output4);
|
||||
device_remove_file(kit->dev, &dev_attr_output1);
|
||||
device_remove_file(kit->dev, &dev_attr_output2);
|
||||
device_remove_file(kit->dev, &dev_attr_output3);
|
||||
device_remove_file(kit->dev, &dev_attr_output4);
|
||||
}
|
||||
if (kit->ifkit->outputs >= 8) {
|
||||
device_remove_file(&interface->dev, &dev_attr_output5);
|
||||
device_remove_file(&interface->dev, &dev_attr_output6);
|
||||
device_remove_file(&interface->dev, &dev_attr_output7);
|
||||
device_remove_file(&interface->dev, &dev_attr_output8);
|
||||
device_remove_file(kit->dev, &dev_attr_output5);
|
||||
device_remove_file(kit->dev, &dev_attr_output6);
|
||||
device_remove_file(kit->dev, &dev_attr_output7);
|
||||
device_remove_file(kit->dev, &dev_attr_output8);
|
||||
}
|
||||
if (kit->ifkit->outputs == 16) {
|
||||
device_remove_file(&interface->dev, &dev_attr_output9);
|
||||
device_remove_file(&interface->dev, &dev_attr_output10);
|
||||
device_remove_file(&interface->dev, &dev_attr_output11);
|
||||
device_remove_file(&interface->dev, &dev_attr_output12);
|
||||
device_remove_file(&interface->dev, &dev_attr_output13);
|
||||
device_remove_file(&interface->dev, &dev_attr_output14);
|
||||
device_remove_file(&interface->dev, &dev_attr_output15);
|
||||
device_remove_file(&interface->dev, &dev_attr_output16);
|
||||
device_remove_file(kit->dev, &dev_attr_output9);
|
||||
device_remove_file(kit->dev, &dev_attr_output10);
|
||||
device_remove_file(kit->dev, &dev_attr_output11);
|
||||
device_remove_file(kit->dev, &dev_attr_output12);
|
||||
device_remove_file(kit->dev, &dev_attr_output13);
|
||||
device_remove_file(kit->dev, &dev_attr_output14);
|
||||
device_remove_file(kit->dev, &dev_attr_output15);
|
||||
device_remove_file(kit->dev, &dev_attr_output16);
|
||||
}
|
||||
|
||||
if (kit->ifkit->inputs >= 4) {
|
||||
device_remove_file(&interface->dev, &dev_attr_input1);
|
||||
device_remove_file(&interface->dev, &dev_attr_input2);
|
||||
device_remove_file(&interface->dev, &dev_attr_input3);
|
||||
device_remove_file(&interface->dev, &dev_attr_input4);
|
||||
device_remove_file(kit->dev, &dev_attr_input1);
|
||||
device_remove_file(kit->dev, &dev_attr_input2);
|
||||
device_remove_file(kit->dev, &dev_attr_input3);
|
||||
device_remove_file(kit->dev, &dev_attr_input4);
|
||||
}
|
||||
if (kit->ifkit->inputs >= 8) {
|
||||
device_remove_file(&interface->dev, &dev_attr_input5);
|
||||
device_remove_file(&interface->dev, &dev_attr_input6);
|
||||
device_remove_file(&interface->dev, &dev_attr_input7);
|
||||
device_remove_file(&interface->dev, &dev_attr_input8);
|
||||
device_remove_file(kit->dev, &dev_attr_input5);
|
||||
device_remove_file(kit->dev, &dev_attr_input6);
|
||||
device_remove_file(kit->dev, &dev_attr_input7);
|
||||
device_remove_file(kit->dev, &dev_attr_input8);
|
||||
}
|
||||
if (kit->ifkit->inputs == 16) {
|
||||
device_remove_file(&interface->dev, &dev_attr_input9);
|
||||
device_remove_file(&interface->dev, &dev_attr_input10);
|
||||
device_remove_file(&interface->dev, &dev_attr_input11);
|
||||
device_remove_file(&interface->dev, &dev_attr_input12);
|
||||
device_remove_file(&interface->dev, &dev_attr_input13);
|
||||
device_remove_file(&interface->dev, &dev_attr_input14);
|
||||
device_remove_file(&interface->dev, &dev_attr_input15);
|
||||
device_remove_file(&interface->dev, &dev_attr_input16);
|
||||
device_remove_file(kit->dev, &dev_attr_input9);
|
||||
device_remove_file(kit->dev, &dev_attr_input10);
|
||||
device_remove_file(kit->dev, &dev_attr_input11);
|
||||
device_remove_file(kit->dev, &dev_attr_input12);
|
||||
device_remove_file(kit->dev, &dev_attr_input13);
|
||||
device_remove_file(kit->dev, &dev_attr_input14);
|
||||
device_remove_file(kit->dev, &dev_attr_input15);
|
||||
device_remove_file(kit->dev, &dev_attr_input16);
|
||||
}
|
||||
|
||||
if (kit->ifkit->sensors >= 4) {
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor1);
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor2);
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor3);
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor4);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor1);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor2);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor3);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor4);
|
||||
}
|
||||
if (kit->ifkit->sensors >= 7) {
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor5);
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor6);
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor7);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor5);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor6);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor7);
|
||||
}
|
||||
if (kit->ifkit->sensors == 8)
|
||||
device_remove_file(&interface->dev, &dev_attr_sensor8);
|
||||
device_remove_file(kit->dev, &dev_attr_sensor8);
|
||||
|
||||
if (kit->ifkit->has_lcd)
|
||||
device_remove_file(&interface->dev, &dev_attr_lcd);
|
||||
device_remove_file(kit->dev, &dev_attr_lcd);
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
|
|
|
@ -15,6 +15,8 @@
|
|||
#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"
|
||||
|
||||
|
@ -23,9 +25,13 @@
|
|||
|
||||
#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];
|
||||
|
@ -162,14 +168,14 @@ static void do_notify(void *data)
|
|||
for (i=0; i<4; i++) {
|
||||
if (test_and_clear_bit(i, &mc->input_events)) {
|
||||
sprintf(sysfs_file, "input%d", i);
|
||||
sysfs_notify(&mc->intf->dev.kobj, NULL, sysfs_file);
|
||||
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->intf->dev.kobj, NULL, sysfs_file);
|
||||
sysfs_notify(&mc->dev->kobj, NULL, sysfs_file);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -181,11 +187,11 @@ static void do_notify(void *data)
|
|||
}
|
||||
|
||||
#define show_set_speed(value) \
|
||||
static ssize_t set_speed##value(struct device *dev, \
|
||||
struct device_attribute *attr, const char *buf, size_t count) \
|
||||
static ssize_t set_speed##value(struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
const char *buf, size_t count) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
int speed; \
|
||||
int retval; \
|
||||
\
|
||||
|
@ -202,11 +208,11 @@ static ssize_t set_speed##value(struct device *dev, \
|
|||
return retval ? retval : count; \
|
||||
} \
|
||||
\
|
||||
static ssize_t show_speed##value(struct device *dev, \
|
||||
struct device_attribute *attr, char *buf) \
|
||||
static ssize_t show_speed##value(struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
char *buf) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
\
|
||||
return sprintf(buf, "%d\n", mc->speed[value]); \
|
||||
} \
|
||||
|
@ -217,10 +223,10 @@ 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 device_attribute *attr, \
|
||||
const char *buf, size_t count) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
int acceleration; \
|
||||
int retval; \
|
||||
\
|
||||
|
@ -237,11 +243,11 @@ static ssize_t set_acceleration##value(struct device *dev, \
|
|||
return retval ? retval : count; \
|
||||
} \
|
||||
\
|
||||
static ssize_t show_acceleration##value(struct device *dev, \
|
||||
struct device_attribute *attr, char *buf) \
|
||||
static ssize_t show_acceleration##value(struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
char *buf) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
\
|
||||
return sprintf(buf, "%d\n", mc->acceleration[value]); \
|
||||
} \
|
||||
|
@ -251,11 +257,11 @@ 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) \
|
||||
static ssize_t show_current##value(struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
char *buf) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
\
|
||||
return sprintf(buf, "%dmA\n", (int)mc->_current[value]); \
|
||||
} \
|
||||
|
@ -265,11 +271,11 @@ 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) \
|
||||
static ssize_t show_input##value(struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
char *buf) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface(dev); \
|
||||
struct motorcontrol *mc = usb_get_intfdata(intf); \
|
||||
struct motorcontrol *mc = dev_get_drvdata(dev); \
|
||||
\
|
||||
return sprintf(buf, "%d\n", (int)mc->inputs[value]); \
|
||||
} \
|
||||
|
@ -287,6 +293,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic
|
|||
struct usb_endpoint_descriptor *endpoint;
|
||||
struct motorcontrol *mc;
|
||||
int pipe, maxp, rc = -ENOMEM;
|
||||
int bit, value;
|
||||
|
||||
interface = intf->cur_altsetting;
|
||||
if (interface->desc.bNumEndpoints != 1)
|
||||
|
@ -306,6 +313,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic
|
|||
if (!mc)
|
||||
goto out;
|
||||
|
||||
mc->dev_no = -1;
|
||||
mc->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &mc->data_dma);
|
||||
if (!mc->data)
|
||||
goto out;
|
||||
|
@ -326,26 +334,42 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic
|
|||
|
||||
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, 0,
|
||||
"motorcontrol%d", mc->dev_no);
|
||||
if (IS_ERR(mc->dev)) {
|
||||
rc = PTR_ERR(mc->dev);
|
||||
mc->dev = NULL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
dev_set_drvdata(mc->dev, mc);
|
||||
|
||||
if (usb_submit_urb(mc->irq, GFP_KERNEL)) {
|
||||
rc = -EIO;
|
||||
goto out;
|
||||
}
|
||||
|
||||
device_create_file(&intf->dev, &dev_attr_input0);
|
||||
device_create_file(&intf->dev, &dev_attr_input1);
|
||||
device_create_file(&intf->dev, &dev_attr_input2);
|
||||
device_create_file(&intf->dev, &dev_attr_input3);
|
||||
device_create_file(mc->dev, &dev_attr_input0);
|
||||
device_create_file(mc->dev, &dev_attr_input1);
|
||||
device_create_file(mc->dev, &dev_attr_input2);
|
||||
device_create_file(mc->dev, &dev_attr_input3);
|
||||
|
||||
device_create_file(&intf->dev, &dev_attr_speed0);
|
||||
device_create_file(&intf->dev, &dev_attr_speed1);
|
||||
device_create_file(mc->dev, &dev_attr_speed0);
|
||||
device_create_file(mc->dev, &dev_attr_speed1);
|
||||
|
||||
device_create_file(&intf->dev, &dev_attr_acceleration0);
|
||||
device_create_file(&intf->dev, &dev_attr_acceleration1);
|
||||
device_create_file(mc->dev, &dev_attr_acceleration0);
|
||||
device_create_file(mc->dev, &dev_attr_acceleration1);
|
||||
|
||||
device_create_file(&intf->dev, &dev_attr_current0);
|
||||
device_create_file(&intf->dev, &dev_attr_current1);
|
||||
device_create_file(mc->dev, &dev_attr_current0);
|
||||
device_create_file(mc->dev, &dev_attr_current1);
|
||||
|
||||
dev_info(&intf->dev, "USB Phidget MotorControl attached\n");
|
||||
dev_info(&intf->dev, "USB PhidgetMotorControl attached\n");
|
||||
|
||||
return 0;
|
||||
|
||||
|
@ -355,6 +379,11 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic
|
|||
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);
|
||||
}
|
||||
|
||||
|
@ -376,24 +405,27 @@ static void motorcontrol_disconnect(struct usb_interface *interface)
|
|||
|
||||
cancel_delayed_work(&mc->do_notify);
|
||||
|
||||
device_remove_file(&interface->dev, &dev_attr_input0);
|
||||
device_remove_file(&interface->dev, &dev_attr_input1);
|
||||
device_remove_file(&interface->dev, &dev_attr_input2);
|
||||
device_remove_file(&interface->dev, &dev_attr_input3);
|
||||
device_remove_file(mc->dev, &dev_attr_input0);
|
||||
device_remove_file(mc->dev, &dev_attr_input1);
|
||||
device_remove_file(mc->dev, &dev_attr_input2);
|
||||
device_remove_file(mc->dev, &dev_attr_input3);
|
||||
|
||||
device_remove_file(&interface->dev, &dev_attr_speed0);
|
||||
device_remove_file(&interface->dev, &dev_attr_speed1);
|
||||
device_remove_file(mc->dev, &dev_attr_speed0);
|
||||
device_remove_file(mc->dev, &dev_attr_speed1);
|
||||
|
||||
device_remove_file(&interface->dev, &dev_attr_acceleration0);
|
||||
device_remove_file(&interface->dev, &dev_attr_acceleration1);
|
||||
device_remove_file(mc->dev, &dev_attr_acceleration0);
|
||||
device_remove_file(mc->dev, &dev_attr_acceleration1);
|
||||
|
||||
device_remove_file(&interface->dev, &dev_attr_current0);
|
||||
device_remove_file(&interface->dev, &dev_attr_current1);
|
||||
device_remove_file(mc->dev, &dev_attr_current0);
|
||||
device_remove_file(mc->dev, &dev_attr_current1);
|
||||
|
||||
dev_info(&interface->dev, "USB Phidget MotorControl disconnected\n");
|
||||
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 = {
|
||||
|
|
|
@ -15,14 +15,6 @@
|
|||
*
|
||||
* CAUTION: Generally you should use 0 < degrees < 180 as anything else
|
||||
* is probably beyond the range of your servo and may damage it.
|
||||
*
|
||||
* Jun 16, 2004: Sean Young <sean@mess.org>
|
||||
* - cleanups
|
||||
* - was using memory after kfree()
|
||||
* Aug 8, 2004: Sean Young <sean@mess.org>
|
||||
* - set the highest angle as high as the hardware allows, there are
|
||||
* some odd servos out there
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
|
@ -32,6 +24,8 @@
|
|||
#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"
|
||||
|
||||
|
@ -70,8 +64,12 @@ static struct usb_device_id id_table[] = {
|
|||
|
||||
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];
|
||||
|
@ -203,16 +201,16 @@ change_position_v20(struct phidget_servo *servo, int servo_no, int degrees,
|
|||
}
|
||||
|
||||
#define show_set(value) \
|
||||
static ssize_t set_servo##value (struct device *dev, struct device_attribute *attr, \
|
||||
static ssize_t set_servo##value (struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
const char *buf, size_t count) \
|
||||
{ \
|
||||
int degrees, minutes, retval; \
|
||||
struct usb_interface *intf = to_usb_interface (dev); \
|
||||
struct phidget_servo *servo = usb_get_intfdata (intf); \
|
||||
struct phidget_servo *servo = dev_get_drvdata(dev); \
|
||||
\
|
||||
minutes = 0; \
|
||||
/* must at least convert degrees */ \
|
||||
if (sscanf (buf, "%d.%d", °rees, &minutes) < 1) { \
|
||||
if (sscanf(buf, "%d.%d", °rees, &minutes) < 1) { \
|
||||
return -EINVAL; \
|
||||
} \
|
||||
\
|
||||
|
@ -220,21 +218,22 @@ static ssize_t set_servo##value (struct device *dev, struct device_attribute *at
|
|||
return -EINVAL; \
|
||||
\
|
||||
if (servo->type & SERVO_VERSION_30) \
|
||||
retval = change_position_v30 (servo, value, degrees, \
|
||||
retval = change_position_v30(servo, value, degrees, \
|
||||
minutes); \
|
||||
else \
|
||||
retval = change_position_v20 (servo, value, degrees, \
|
||||
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) \
|
||||
static ssize_t show_servo##value (struct device *dev, \
|
||||
struct device_attribute *attr, \
|
||||
char *buf) \
|
||||
{ \
|
||||
struct usb_interface *intf = to_usb_interface (dev); \
|
||||
struct phidget_servo *servo = usb_get_intfdata (intf); \
|
||||
struct phidget_servo *servo = dev_get_drvdata(dev); \
|
||||
\
|
||||
return sprintf (buf, "%d.%02d\n", servo->degrees[value], \
|
||||
return sprintf(buf, "%d.%02d\n", servo->degrees[value], \
|
||||
servo->minutes[value]); \
|
||||
} \
|
||||
static DEVICE_ATTR(servo##value, S_IWUGO | S_IRUGO, \
|
||||
|
@ -250,6 +249,7 @@ 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;
|
||||
|
||||
dev = kzalloc(sizeof (struct phidget_servo), GFP_KERNEL);
|
||||
if (dev == NULL) {
|
||||
|
@ -261,18 +261,33 @@ servo_probe(struct usb_interface *interface, const struct usb_device_id *id)
|
|||
dev->type = id->driver_info;
|
||||
usb_set_intfdata(interface, dev);
|
||||
|
||||
device_create_file(&interface->dev, &dev_attr_servo0);
|
||||
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, 0,
|
||||
"servo%d", dev->dev_no);
|
||||
if (IS_ERR(dev->dev)) {
|
||||
int rc = PTR_ERR(dev->dev);
|
||||
clear_bit(dev->dev_no, &device_no);
|
||||
kfree(dev);
|
||||
return rc;
|
||||
}
|
||||
|
||||
device_create_file(dev->dev, &dev_attr_servo0);
|
||||
if (dev->type & SERVO_COUNT_QUAD) {
|
||||
device_create_file(&interface->dev, &dev_attr_servo1);
|
||||
device_create_file(&interface->dev, &dev_attr_servo2);
|
||||
device_create_file(&interface->dev, &dev_attr_servo3);
|
||||
device_create_file(dev->dev, &dev_attr_servo1);
|
||||
device_create_file(dev->dev, &dev_attr_servo2);
|
||||
device_create_file(dev->dev, &dev_attr_servo3);
|
||||
}
|
||||
|
||||
dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 attached\n",
|
||||
dev->type & SERVO_COUNT_QUAD ? 4 : 1,
|
||||
dev->type & SERVO_VERSION_30 ? 3 : 2);
|
||||
|
||||
if(!(dev->type & SERVO_VERSION_30))
|
||||
if (!(dev->type & SERVO_VERSION_30))
|
||||
dev_info(&interface->dev,
|
||||
"WARNING: v2.0 not tested! Please report if it works.\n");
|
||||
|
||||
|
@ -287,19 +302,21 @@ servo_disconnect(struct usb_interface *interface)
|
|||
dev = usb_get_intfdata(interface);
|
||||
usb_set_intfdata(interface, NULL);
|
||||
|
||||
device_remove_file(&interface->dev, &dev_attr_servo0);
|
||||
device_remove_file(dev->dev, &dev_attr_servo0);
|
||||
if (dev->type & SERVO_COUNT_QUAD) {
|
||||
device_remove_file(&interface->dev, &dev_attr_servo1);
|
||||
device_remove_file(&interface->dev, &dev_attr_servo2);
|
||||
device_remove_file(&interface->dev, &dev_attr_servo3);
|
||||
device_remove_file(dev->dev, &dev_attr_servo1);
|
||||
device_remove_file(dev->dev, &dev_attr_servo2);
|
||||
device_remove_file(dev->dev, &dev_attr_servo3);
|
||||
}
|
||||
|
||||
device_unregister(dev->dev);
|
||||
usb_put_dev(dev->udev);
|
||||
|
||||
dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 detached\n",
|
||||
dev->type & SERVO_COUNT_QUAD ? 4 : 1,
|
||||
dev->type & SERVO_VERSION_30 ? 3 : 2);
|
||||
|
||||
clear_bit(dev->dev_no, &device_no);
|
||||
kfree(dev);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue