716 строки
20 KiB
C
716 строки
20 KiB
C
/*
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* USB PhidgetInterfaceKit driver 1.0
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*
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* Copyright (C) 2004, 2006 Sean Young <sean@mess.org>
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* Copyright (C) 2005 Daniel Saakes <daniel@saakes.net>
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* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
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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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* This is a driver for the USB PhidgetInterfaceKit.
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*/
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/usb.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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#define USB_VENDOR_ID_GLAB 0x06c2
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#define USB_DEVICE_ID_INTERFACEKIT004 0x0040
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#define USB_DEVICE_ID_INTERFACEKIT01616 0x0044
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#define USB_DEVICE_ID_INTERFACEKIT888 0x0045
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#define USB_DEVICE_ID_INTERFACEKIT047 0x0051
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#define USB_DEVICE_ID_INTERFACEKIT088 0x0053
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#define USB_VENDOR_ID_WISEGROUP 0x0925
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#define USB_DEVICE_ID_INTERFACEKIT884 0x8201
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#define MAX_INTERFACES 16
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#define URB_INT_SIZE 8
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struct driver_interfacekit {
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int sensors;
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int inputs;
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int outputs;
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int has_lcd;
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};
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#define ifkit(_sensors, _inputs, _outputs, _lcd) \
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static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \
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.sensors = _sensors, \
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.inputs = _inputs, \
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.outputs = _outputs, \
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.has_lcd = _lcd, \
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};
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ifkit(0, 0, 4, 0);
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ifkit(8, 8, 8, 0);
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ifkit(0, 4, 7, 1);
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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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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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unsigned long outputs;
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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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struct urb *irq;
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unsigned char *data;
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dma_addr_t data_dma;
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struct work_struct do_notify;
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unsigned long input_events;
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unsigned long sensor_events;
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};
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static struct usb_device_id id_table[] = {
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004),
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.driver_info = (kernel_ulong_t)&ph_004},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888),
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.driver_info = (kernel_ulong_t)&ph_888},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047),
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.driver_info = (kernel_ulong_t)&ph_047},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088),
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.driver_info = (kernel_ulong_t)&ph_088},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616),
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.driver_info = (kernel_ulong_t)&ph_01616},
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{USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884),
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.driver_info = (kernel_ulong_t)&ph_884},
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{}
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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static int change_outputs(struct interfacekit *kit, int output_num, int enable)
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{
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u8 *buffer;
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int retval;
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if (enable)
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set_bit(output_num, &kit->outputs);
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else
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clear_bit(output_num, &kit->outputs);
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buffer = kzalloc(4, GFP_KERNEL);
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if (!buffer) {
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dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
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return -ENOMEM;
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}
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buffer[0] = (u8)kit->outputs;
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buffer[1] = (u8)(kit->outputs >> 8);
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dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs);
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retval = usb_control_msg(kit->udev,
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usb_sndctrlpipe(kit->udev, 0),
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0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000);
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if (retval != 4)
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dev_err(&kit->udev->dev, "usb_control_msg returned %d\n",
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retval);
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kfree(buffer);
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return retval < 0 ? retval : 0;
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}
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static int change_string(struct interfacekit *kit, const char *display, unsigned char row)
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{
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unsigned char *buffer;
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unsigned char *form_buffer;
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int retval = -ENOMEM;
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int i,j, len, buf_ptr;
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buffer = kmalloc(8, GFP_KERNEL);
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form_buffer = kmalloc(30, GFP_KERNEL);
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if ((!buffer) || (!form_buffer)) {
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dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
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goto exit;
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}
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len = strlen(display);
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if (len > 20)
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len = 20;
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dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display);
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form_buffer[0] = row * 0x40 + 0x80;
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form_buffer[1] = 0x02;
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buf_ptr = 2;
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for (i = 0; i<len; i++)
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form_buffer[buf_ptr++] = display[i];
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for (i = 0; i < (20 - len); i++)
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form_buffer[buf_ptr++] = 0x20;
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form_buffer[buf_ptr++] = 0x01;
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form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display);
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for (i = 0; i < buf_ptr; i += 7) {
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if ((buf_ptr - i) > 7)
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len = 7;
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else
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len = (buf_ptr - i);
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for (j = 0; j < len; j++)
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buffer[j] = form_buffer[i + j];
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buffer[7] = len;
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retval = usb_control_msg(kit->udev,
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usb_sndctrlpipe(kit->udev, 0),
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0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
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if (retval < 0)
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goto exit;
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}
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retval = 0;
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exit:
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kfree(buffer);
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kfree(form_buffer);
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return retval;
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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 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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int enabled;
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unsigned char *buffer;
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int retval = -ENOMEM;
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buffer = kzalloc(8, GFP_KERNEL);
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if (!buffer) {
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dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
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goto exit;
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}
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if (sscanf(buf, "%d", &enabled) < 1) {
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retval = -EINVAL;
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goto exit;
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}
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if (enabled)
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buffer[0] = 0x01;
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buffer[7] = 0x11;
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dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off");
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retval = usb_control_msg(kit->udev,
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usb_sndctrlpipe(kit->udev, 0),
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0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
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if (retval < 0)
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goto exit;
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retval = count;
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exit:
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kfree(buffer);
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return retval;
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}
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static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight);
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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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}
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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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int enable;
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if (kit->ifkit->has_lcd == 0)
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return -ENODEV;
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if (sscanf(buf, "%d", &enable) < 1)
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return -EINVAL;
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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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kit->lcd_files_on = 1;
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}
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} else {
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if (kit->lcd_files_on) {
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remove_lcd_files(kit);
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kit->lcd_files_on = 0;
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}
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}
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return count;
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}
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static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files);
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static void interfacekit_irq(struct urb *urb, struct pt_regs *regs)
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{
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struct interfacekit *kit = urb->context;
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unsigned char *buffer = kit->data;
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int i, level, sensor;
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int status;
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switch (urb->status) {
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case 0: /* success */
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break;
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case -ECONNRESET: /* unlink */
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case -ENOENT:
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case -ESHUTDOWN:
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return;
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/* -EPIPE: should clear the halt */
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default: /* error */
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goto resubmit;
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}
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/* digital inputs */
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if (kit->ifkit->inputs == 16) {
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for (i=0; i < 8; i++) {
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level = (buffer[0] >> i) & 1;
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if (kit->inputs[i] != level) {
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kit->inputs[i] = level;
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set_bit(i, &kit->input_events);
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}
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level = (buffer[1] >> i) & 1;
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if (kit->inputs[8 + i] != level) {
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kit->inputs[8 + i] = level;
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set_bit(8 + i, &kit->input_events);
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}
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}
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}
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else if (kit->ifkit->inputs == 8) {
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for (i=0; i < 8; i++) {
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level = (buffer[1] >> i) & 1;
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if (kit->inputs[i] != level) {
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kit->inputs[i] = level;
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set_bit(i, &kit->input_events);
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}
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}
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}
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/* analog inputs */
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if (kit->ifkit->sensors) {
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sensor = (buffer[0] & 1) ? 4 : 0;
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level = buffer[2] + (buffer[3] & 0x0f) * 256;
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if (level != kit->sensors[sensor]) {
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kit->sensors[sensor] = level;
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set_bit(sensor, &kit->sensor_events);
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}
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sensor++;
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level = buffer[4] + (buffer[3] & 0xf0) * 16;
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if (level != kit->sensors[sensor]) {
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kit->sensors[sensor] = level;
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set_bit(sensor, &kit->sensor_events);
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}
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sensor++;
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level = buffer[5] + (buffer[6] & 0x0f) * 256;
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if (level != kit->sensors[sensor]) {
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kit->sensors[sensor] = level;
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set_bit(sensor, &kit->sensor_events);
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}
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sensor++;
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level = buffer[7] + (buffer[6] & 0xf0) * 16;
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if (level != kit->sensors[sensor]) {
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kit->sensors[sensor] = level;
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set_bit(sensor, &kit->sensor_events);
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}
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}
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if (kit->input_events || kit->sensor_events)
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schedule_work(&kit->do_notify);
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resubmit:
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status = usb_submit_urb(urb, SLAB_ATOMIC);
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if (status)
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err("can't resubmit intr, %s-%s/interfacekit0, status %d",
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kit->udev->bus->bus_name,
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kit->udev->devpath, status);
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}
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static void do_notify(void *data)
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{
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struct interfacekit *kit = data;
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int i;
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char sysfs_file[8];
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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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}
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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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}
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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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{ \
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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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int enabled; \
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int retval; \
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\
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if (sscanf(buf, "%d", &enabled) < 1) \
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return -EINVAL; \
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\
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retval = change_outputs(kit, value - 1, enabled); \
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\
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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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{ \
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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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\
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return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\
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} \
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static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \
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show_output##value, set_output##value);
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show_set_output(1);
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show_set_output(2);
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show_set_output(3);
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show_set_output(4);
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show_set_output(5);
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show_set_output(6);
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show_set_output(7);
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show_set_output(8);
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show_set_output(9);
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show_set_output(10);
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show_set_output(11);
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show_set_output(12);
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show_set_output(13);
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show_set_output(14);
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show_set_output(15);
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show_set_output(16);
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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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\
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return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \
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} \
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static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL);
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show_input(1);
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show_input(2);
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show_input(3);
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show_input(4);
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show_input(5);
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show_input(6);
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show_input(7);
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show_input(8);
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show_input(9);
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show_input(10);
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show_input(11);
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show_input(12);
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show_input(13);
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show_input(14);
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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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{ \
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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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\
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return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \
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} \
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static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL);
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show_sensor(1);
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show_sensor(2);
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show_sensor(3);
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show_sensor(4);
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show_sensor(5);
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show_sensor(6);
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show_sensor(7);
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show_sensor(8);
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static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id)
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{
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struct usb_device *dev = interface_to_usbdev(intf);
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struct usb_host_interface *interface;
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struct usb_endpoint_descriptor *endpoint;
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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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ifkit = (struct driver_interfacekit *)id->driver_info;
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if (!ifkit)
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return -ENODEV;
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interface = intf->cur_altsetting;
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if (interface->desc.bNumEndpoints != 1)
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return -ENODEV;
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endpoint = &interface->endpoint[0].desc;
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if (!(endpoint->bEndpointAddress & 0x80))
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return -ENODEV;
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/*
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* bmAttributes
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*/
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pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
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|
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
|
|
|
|
kit = kzalloc(sizeof(*kit), GFP_KERNEL);
|
|
if (!kit)
|
|
goto out;
|
|
|
|
kit->ifkit = ifkit;
|
|
kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_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_WORK(&kit->do_notify, do_notify, kit);
|
|
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);
|
|
|
|
if (usb_submit_urb(kit->irq, GFP_KERNEL)) {
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
if (ifkit->outputs >= 4) {
|
|
device_create_file(&intf->dev, &dev_attr_output1);
|
|
device_create_file(&intf->dev, &dev_attr_output2);
|
|
device_create_file(&intf->dev, &dev_attr_output3);
|
|
device_create_file(&intf->dev, &dev_attr_output4);
|
|
}
|
|
if (ifkit->outputs >= 8) {
|
|
device_create_file(&intf->dev, &dev_attr_output5);
|
|
device_create_file(&intf->dev, &dev_attr_output6);
|
|
device_create_file(&intf->dev, &dev_attr_output7);
|
|
device_create_file(&intf->dev, &dev_attr_output8);
|
|
}
|
|
if (ifkit->outputs == 16) {
|
|
device_create_file(&intf->dev, &dev_attr_output9);
|
|
device_create_file(&intf->dev, &dev_attr_output10);
|
|
device_create_file(&intf->dev, &dev_attr_output11);
|
|
device_create_file(&intf->dev, &dev_attr_output12);
|
|
device_create_file(&intf->dev, &dev_attr_output13);
|
|
device_create_file(&intf->dev, &dev_attr_output14);
|
|
device_create_file(&intf->dev, &dev_attr_output15);
|
|
device_create_file(&intf->dev, &dev_attr_output16);
|
|
}
|
|
|
|
if (ifkit->inputs >= 4) {
|
|
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(&intf->dev, &dev_attr_input4);
|
|
}
|
|
if (ifkit->inputs >= 8) {
|
|
device_create_file(&intf->dev, &dev_attr_input5);
|
|
device_create_file(&intf->dev, &dev_attr_input6);
|
|
device_create_file(&intf->dev, &dev_attr_input7);
|
|
device_create_file(&intf->dev, &dev_attr_input8);
|
|
}
|
|
if (ifkit->inputs == 16) {
|
|
device_create_file(&intf->dev, &dev_attr_input9);
|
|
device_create_file(&intf->dev, &dev_attr_input10);
|
|
device_create_file(&intf->dev, &dev_attr_input11);
|
|
device_create_file(&intf->dev, &dev_attr_input12);
|
|
device_create_file(&intf->dev, &dev_attr_input13);
|
|
device_create_file(&intf->dev, &dev_attr_input14);
|
|
device_create_file(&intf->dev, &dev_attr_input15);
|
|
device_create_file(&intf->dev, &dev_attr_input16);
|
|
}
|
|
|
|
if (ifkit->sensors >= 4) {
|
|
device_create_file(&intf->dev, &dev_attr_sensor1);
|
|
device_create_file(&intf->dev, &dev_attr_sensor2);
|
|
device_create_file(&intf->dev, &dev_attr_sensor3);
|
|
device_create_file(&intf->dev, &dev_attr_sensor4);
|
|
}
|
|
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);
|
|
}
|
|
if (ifkit->sensors == 8)
|
|
device_create_file(&intf->dev, &dev_attr_sensor8);
|
|
|
|
if (ifkit->has_lcd)
|
|
device_create_file(&intf->dev, &dev_attr_lcd);
|
|
|
|
dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n",
|
|
ifkit->sensors, ifkit->inputs, ifkit->outputs);
|
|
|
|
return 0;
|
|
|
|
out:
|
|
if (kit) {
|
|
if (kit->irq)
|
|
usb_free_urb(kit->irq);
|
|
if (kit->data)
|
|
usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma);
|
|
kfree(kit);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void interfacekit_disconnect(struct usb_interface *interface)
|
|
{
|
|
struct interfacekit *kit;
|
|
|
|
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);
|
|
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
if (kit->ifkit->sensors == 8)
|
|
device_remove_file(&interface->dev, &dev_attr_sensor8);
|
|
|
|
if (kit->ifkit->has_lcd)
|
|
device_remove_file(&interface->dev, &dev_attr_lcd);
|
|
|
|
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);
|
|
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");
|