diff options
Diffstat (limited to 'drivers/usb/misc/phidgetkit.c')
| -rw-r--r-- | drivers/usb/misc/phidgetkit.c | 586 |
1 files changed, 0 insertions, 586 deletions
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c deleted file mode 100644 index 067a8148692..00000000000 --- a/drivers/usb/misc/phidgetkit.c +++ /dev/null @@ -1,586 +0,0 @@ -/* - * USB PhidgetInterfaceKit driver 1.0 - * - * Copyright (C) 2004 Sean Young <sean@mess.org> - * 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/config.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/usb.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_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 8 - -struct driver_interfacekit { - int sensors; - int inputs; - int outputs; - int has_lcd; -}; -#define ifkit(_sensors, _inputs, _outputs, _lcd) \ -static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \ - .sensors = _sensors, \ - .inputs = _inputs, \ - .outputs = _outputs, \ - .has_lcd = _lcd, \ -}; -ifkit(0, 0, 4, 0); -ifkit(8, 8, 8, 0); -ifkit(0, 4, 7, 1); -ifkit(8, 8, 4, 0); -ifkit(0, 8, 8, 1); - -struct phidget_interfacekit { - struct usb_device *udev; - struct usb_interface *intf; - struct driver_interfacekit *ifkit; - int outputs[MAX_INTERFACES]; - int inputs[MAX_INTERFACES]; - int sensors[MAX_INTERFACES]; - u8 lcd_files_on; - - struct urb *irq; - unsigned char *data; - dma_addr_t data_dma; -}; - -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(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888), - .driver_info = (kernel_ulong_t)&ph_888}, - {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_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), - .driver_info = (kernel_ulong_t)&ph_884}, - {} -}; -MODULE_DEVICE_TABLE(usb, id_table); - -static int change_outputs(struct phidget_interfacekit *kit, int output_num, int enable) -{ - unsigned char *buffer; - int retval; - int n; - - buffer = kmalloc(4, GFP_KERNEL); - if (!buffer) { - dev_err(&kit->udev->dev, "%s - out of memory\n", - __FUNCTION__); - return -ENOMEM; - } - - kit->outputs[output_num] = enable; - memset(buffer, 0, 4); - for (n=0; n<8; n++) { - if (kit->outputs[n]) { - buffer[0] |= 1 << n; - } - } - - dev_dbg(&kit->udev->dev, "sending data: %02x\n", buffer[0]); - - 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); - - return retval < 0 ? retval : 0; -} - -static int change_string(struct phidget_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", __FUNCTION__); - 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 usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ - change_string(kit, buf, number - 1); \ - return count; \ -} \ -static DEVICE_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 usb_interface *intf = to_usb_interface(dev); - struct phidget_interfacekit *kit = usb_get_intfdata(intf); - int enabled; - unsigned char *buffer; - int retval = -ENOMEM; - - buffer = kmalloc(8, GFP_KERNEL); - if (!buffer) { - dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); - goto exit; - } - - if (sscanf(buf, "%d", &enabled) < 1) { - retval = -EINVAL; - goto exit; - } - memset(buffer, 0x00, 8); - 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 DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight); - -static void remove_lcd_files(struct phidget_interfacekit *kit) -{ - if (kit->lcd_files_on) { - dev_dbg(&kit->udev->dev, "Removing lcd files\n"); - device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1); - device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2); - device_remove_file(&kit->intf->dev, &dev_attr_backlight); - } -} - -static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct usb_interface *intf = to_usb_interface(dev); - struct phidget_interfacekit *kit = usb_get_intfdata(intf); - int enable; - - 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"); - device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1); - device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2); - device_create_file(&kit->intf->dev, &dev_attr_backlight); - kit->lcd_files_on = 1; - } - } else { - if (kit->lcd_files_on) { - remove_lcd_files(kit); - kit->lcd_files_on = 0; - } - } - - return count; -} -static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); - -static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) -{ - struct phidget_interfacekit *kit = urb->context; - unsigned char *buffer = kit->data; - int status; - int n; - - switch (urb->status) { - case 0: /* success */ - break; - case -ECONNRESET: /* unlink */ - case -ENOENT: - case -ESHUTDOWN: - return; - /* -EPIPE: should clear the halt */ - default: /* error */ - goto resubmit; - } - - for (n=0; n<8; n++) { - kit->inputs[n] = buffer[1] & (1 << n) ? 1 : 0; - } - - if (buffer[0] & 1) { - kit->sensors[4] = buffer[2] + (buffer[3] & 0x0f) * 256; - kit->sensors[5] = buffer[4] + (buffer[3] & 0xf0) * 16; - kit->sensors[6] = buffer[5] + (buffer[6] & 0x0f) * 256; - kit->sensors[7] = buffer[7] + (buffer[6] & 0xf0) * 16; - } else { - kit->sensors[0] = buffer[2] + (buffer[3] & 0x0f) * 256; - kit->sensors[1] = buffer[4] + (buffer[3] & 0xf0) * 16; - kit->sensors[2] = buffer[5] + (buffer[6] & 0x0f) * 256; - kit->sensors[3] = buffer[7] + (buffer[6] & 0xf0) * 16; - } - -resubmit: - status = usb_submit_urb(urb, SLAB_ATOMIC); - if (status) - err("can't resubmit intr, %s-%s/interfacekit0, status %d", - kit->udev->bus->bus_name, - kit->udev->devpath, status); -} - -#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 usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ - int enabled; \ - int retval; \ - \ - if (sscanf(buf, "%d", &enabled) < 1) { \ - return -EINVAL; \ - } \ - \ - retval = change_outputs(kit, value - 1, enabled ? 1 : 0); \ - \ - return retval ? retval : count; \ -} \ - \ -static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ - \ - return sprintf(buf, "%d\n", kit->outputs[value - 1]); \ -} \ -static DEVICE_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); /* should be MAX_INTERFACES - 1 */ - -#define show_input(value) \ -static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ - \ - return sprintf(buf, "%d\n", kit->inputs[value - 1]); \ -} \ -static DEVICE_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); /* should be MAX_INTERFACES - 1 */ - -#define show_sensor(value) \ -static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ - \ - return sprintf(buf, "%d\n", kit->sensors[value - 1]); \ -} \ -static DEVICE_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); /* should be MAX_INTERFACES - 1 */ - -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 phidget_interfacekit *kit; - struct driver_interfacekit *ifkit; - int pipe, maxp; - - 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 (!(endpoint->bEndpointAddress & 0x80)) - return -ENODEV; - /* - * bmAttributes - */ - pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); - maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); - - kit = kmalloc(sizeof(*kit), GFP_KERNEL); - if (kit == NULL) { - dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__); - return -ENOMEM; - } - memset(kit, 0, sizeof(*kit)); - kit->ifkit = ifkit; - - kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma); - if (!kit->data) { - kfree(kit); - return -ENOMEM; - } - - kit->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!kit->irq) { - usb_buffer_free(dev, 8, kit->data, kit->data_dma); - kfree(kit); - return -ENOMEM; - } - - kit->udev = usb_get_dev(dev); - kit->intf = intf; - usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, - (maxp > 8 ? 8 : 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)) { - return -EIO; - } - - 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->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->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; -} - -static void interfacekit_disconnect(struct usb_interface *interface) -{ - struct phidget_interfacekit *kit; - - kit = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); - if (!kit) - return; - - 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->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->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_kill_urb(kit->irq); - usb_free_urb(kit->irq); - usb_buffer_free(kit->udev, 8, kit->data, kit->data_dma); - - usb_put_dev(kit->udev); - kfree(kit); -} - -static struct usb_driver interfacekit_driver = { - .owner = THIS_MODULE, - .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"); |