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perixx1800keyboard
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Updated code style

This commit is contained in:
Christoph Haas 2017-02-28 16:12:37 +01:00
parent 3b760157a1
commit af53672352
1 changed files with 188 additions and 164 deletions
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44
perixxkbd.c
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@ -49,6 +49,9 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE(DRIVER_LICENSE);
/**
* Define keycodes
*/
static const unsigned char px_kbd_keycode[256] = {
/* BEGIN 04 */
/* 0-7 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
@ -94,6 +97,32 @@ static const unsigned char px_kbd_keycode[256] = {
/* END 06 */
};
/**
* struct usb_kbd - state of each attached keyboard
*
* @dev: input device associated with this keyboard
* @usbdev: usb device associated with this keyboard
* @old: data received in the past from the @irq URB representing which
* keys were pressed. By comparing with the current list of keys
* that are pressed, we are able to see key releases.
* @irq: URB for receiving a list of keys that are pressed when a
* new key is pressed or a key that was pressed is released.
* @led: URB for sending LEDs (e.g. numlock, ...)
* @newleds: data that will be sent with the @led URB representing which LEDs
* should be on
* @name: Name of the keyboard. @dev's name field points to this buffer
* @phys: Physical path of the keyboard. @dev's phys field points to this
* buffer
* @new: Buffer for the @irq URB
* @cr: Control request for @led URB
* @leds: Buffer for the @led URB
* @new_dma: DMA address for @irq URB
* @leds_dma: DMA address for @led URB
* @leds_lock: spinlock that protects @leds, @newleds, and @led_urb_submitted
* @led_urb_submitted: indicates whether @led is in progress, i.e. it has been
* submitted and its completion handler has not returned yet
* without resubmitting @led
*/
struct usb_kbd {
struct input_dev *dev;
struct usb_device *usbdev;
@ -218,22 +247,19 @@ static void usb_kbd_irq(struct urb *urb)
input_report_key(kbd->dev, px_kbd_keycode[138], 1);
if (kbd->old[1] == 146 && kbd->new[1] != 146)
input_report_key(kbd->dev, px_kbd_keycode[138], 0);
}
else if (kbd->new[0] == 4) {
} else if (kbd->new[0] == 4) {
for (j = 1; j < 8; j++) {
offset = j * 8;
for (i = 0; i < 8; i++)
input_report_key(kbd->dev, px_kbd_keycode[offset + i], (kbd->new[j] >> i) & 1);
}
}
else if (kbd->new[0] == 5) {
} else if (kbd->new[0] == 5) {
for (j = 1; j < 8; j++) {
offset = (j * 8) + 64;
for (i = 0; i < 8; i++)
input_report_key(kbd->dev, px_kbd_keycode[offset + i], (kbd->new[j] >> i) & 1);
}
}
else if (kbd->new[0] == 6) {
} else if (kbd->new[0] == 6) {
for (j = 1; j < 8; j++) {
offset = (j * 8) + 192;
for (i = 0; i < 8; i++)
@ -253,8 +279,7 @@ resubmit:
kbd->usbdev->devpath, i);
}
static int usb_kbd_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
static int usb_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
struct usb_kbd *kbd = input_get_drvdata(dev);
@ -340,8 +365,7 @@ static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
usb_free_coherent(dev, 1, kbd->leds, kbd->leds_dma);
}
static int usb_kbd_probe(struct usb_interface *iface,
const struct usb_device_id *id)
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_host_interface *interface;