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
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
+++ /dev/null
-/*
- * 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");
-
+++ /dev/null
-/*
- * 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;
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * 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", °rees, &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");
projects / openwrt / staging / blogic.git / commitdiff