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path: root/drivers/usb/input/usbkbd.c
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Diffstat (limited to 'drivers/usb/input/usbkbd.c')
-rw-r--r--drivers/usb/input/usbkbd.c105
1 files changed, 56 insertions, 49 deletions
diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c
index 28987f15eeee..226b6f90a907 100644
--- a/drivers/usb/input/usbkbd.c
+++ b/drivers/usb/input/usbkbd.c
@@ -66,7 +66,7 @@ static unsigned char usb_kbd_keycode[256] = {
};
struct usb_kbd {
- struct input_dev dev;
+ struct input_dev *dev;
struct usb_device *usbdev;
unsigned char old[8];
struct urb *irq, *led;
@@ -99,29 +99,29 @@ static void usb_kbd_irq(struct urb *urb, struct pt_regs *regs)
goto resubmit;
}
- input_regs(&kbd->dev, regs);
+ input_regs(kbd->dev, regs);
for (i = 0; i < 8; i++)
- input_report_key(&kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
+ input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
for (i = 2; i < 8; i++) {
if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
if (usb_kbd_keycode[kbd->old[i]])
- input_report_key(&kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
+ input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
else
info("Unknown key (scancode %#x) released.", kbd->old[i]);
}
if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
if (usb_kbd_keycode[kbd->new[i]])
- input_report_key(&kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
+ input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
else
info("Unknown key (scancode %#x) pressed.", kbd->new[i]);
}
}
- input_sync(&kbd->dev);
+ input_sync(kbd->dev);
memcpy(kbd->old, kbd->new, 8);
@@ -227,12 +227,12 @@ static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
static int usb_kbd_probe(struct usb_interface *iface,
const struct usb_device_id *id)
{
- struct usb_device * dev = interface_to_usbdev(iface);
+ struct usb_device *dev = interface_to_usbdev(iface);
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_kbd *kbd;
+ struct input_dev *input_dev;
int i, pipe, maxp;
- char path[64];
interface = iface->cur_altsetting;
@@ -240,37 +240,59 @@ static int usb_kbd_probe(struct usb_interface *iface,
return -ENODEV;
endpoint = &interface->endpoint[0].desc;
- if (!(endpoint->bEndpointAddress & 0x80))
+ if (!(endpoint->bEndpointAddress & USB_DIR_IN))
return -ENODEV;
- if ((endpoint->bmAttributes & 3) != 3)
+ if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
return -ENODEV;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
- if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL)))
- return -ENOMEM;
- memset(kbd, 0, sizeof(struct usb_kbd));
+ kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!kbd || !input_dev)
+ goto fail1;
- if (usb_kbd_alloc_mem(dev, kbd)) {
- usb_kbd_free_mem(dev, kbd);
- kfree(kbd);
- return -ENOMEM;
- }
+ if (usb_kbd_alloc_mem(dev, kbd))
+ goto fail2;
kbd->usbdev = dev;
+ kbd->dev = input_dev;
+
+ if (dev->manufacturer)
+ strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
+
+ if (dev->product) {
+ if (dev->manufacturer)
+ strlcat(kbd->name, " ", sizeof(kbd->name));
+ strlcat(kbd->name, dev->product, sizeof(kbd->name));
+ }
+
+ if (!strlen(kbd->name))
+ snprintf(kbd->name, sizeof(kbd->name),
+ "USB HIDBP Keyboard %04x:%04x",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+
+ usb_make_path(dev, kbd->phys, sizeof(kbd->phys));
+ strlcpy(kbd->phys, "/input0", sizeof(kbd->phys));
- kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
- kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL) | BIT(LED_COMPOSE) | BIT(LED_KANA);
+ input_dev->name = kbd->name;
+ input_dev->phys = kbd->phys;
+ usb_to_input_id(dev, &input_dev->id);
+ input_dev->cdev.dev = &iface->dev;
+ input_dev->private = kbd;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
+ input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL) | BIT(LED_COMPOSE) | BIT(LED_KANA);
for (i = 0; i < 255; i++)
- set_bit(usb_kbd_keycode[i], kbd->dev.keybit);
- clear_bit(0, kbd->dev.keybit);
+ set_bit(usb_kbd_keycode[i], input_dev->keybit);
+ clear_bit(0, input_dev->keybit);
- kbd->dev.private = kbd;
- kbd->dev.event = usb_kbd_event;
- kbd->dev.open = usb_kbd_open;
- kbd->dev.close = usb_kbd_close;
+ input_dev->event = usb_kbd_event;
+ input_dev->open = usb_kbd_open;
+ input_dev->close = usb_kbd_close;
usb_fill_int_urb(kbd->irq, dev, pipe,
kbd->new, (maxp > 8 ? 8 : maxp),
@@ -284,37 +306,22 @@ static int usb_kbd_probe(struct usb_interface *iface,
kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
kbd->cr->wLength = cpu_to_le16(1);
- usb_make_path(dev, path, 64);
- sprintf(kbd->phys, "%s/input0", path);
-
- kbd->dev.name = kbd->name;
- kbd->dev.phys = kbd->phys;
- usb_to_input_id(dev, &kbd->dev.id);
- kbd->dev.dev = &iface->dev;
-
- if (dev->manufacturer)
- strcat(kbd->name, dev->manufacturer);
- if (dev->product)
- sprintf(kbd->name, "%s %s", kbd->name, dev->product);
-
- if (!strlen(kbd->name))
- sprintf(kbd->name, "USB HIDBP Keyboard %04x:%04x",
- kbd->dev.id.vendor, kbd->dev.id.product);
-
usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0),
(void *) kbd->cr, kbd->leds, 1,
usb_kbd_led, kbd);
kbd->led->setup_dma = kbd->cr_dma;
kbd->led->transfer_dma = kbd->leds_dma;
- kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP
- | URB_NO_SETUP_DMA_MAP);
+ kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
- input_register_device(&kbd->dev);
-
- printk(KERN_INFO "input: %s on %s\n", kbd->name, path);
+ input_register_device(kbd->dev);
usb_set_intfdata(iface, kbd);
return 0;
+
+fail2: usb_kbd_free_mem(dev, kbd);
+fail1: input_free_device(input_dev);
+ kfree(kbd);
+ return -ENOMEM;
}
static void usb_kbd_disconnect(struct usb_interface *intf)
@@ -324,7 +331,7 @@ static void usb_kbd_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (kbd) {
usb_kill_urb(kbd->irq);
- input_unregister_device(&kbd->dev);
+ input_unregister_device(kbd->dev);
usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
kfree(kbd);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 05:48:21 +0000