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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
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the Free Software Foundation; either version 2 of the License, or
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
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mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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# Uncomment the following to enable debug.
#DEBUG = y
KVER := $(shell uname -r)
KSRC := /lib/modules/$(KVER)/build
MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/input/keyboard
MODULE_NAME := perixxkbd
MODULE_VER := 1.0.0
ifeq ($(DEBUG),y)
DBGFLAGS = -O -g -DML_DEBUG
else
DBGFLAGS = -O2
endif
ccflags-y += $(DBGFLAGS)
ifneq ($(KERNELRELEASE),)
obj-m := $(MODULE_NAME).o
else
KSRC := /lib/modules/$(KVER)/build
PWD := $(shell pwd)
endif
#@if [ -n $(dkms status $(MODULE_NAME)/$(MODULE_VER)) ]; then \
define REMOVE_MODULE
@if [ -n "`dkms status $(MODULE_NAME)/$(MODULE_VER)`" ]; then \
dkms remove $(MODULE_NAME)/$(MODULE_VER) --all; \
fi;
endef
default:
$(MAKE) -C $(KSRC) M=$(PWD) modules
clean:
$(MAKE) -C $(KSRC) M=$(PWD) clean
uninstall:
rm -f $(MODDESTDIR)/$(MODULE_NAME).ko
/sbin/depmod -a ${KVER}
install:
install -p -m 644 $(MODULE_NAME).ko $(MODDESTDIR)
/sbin/depmod -a ${KVER}
dkms: clean
rm -rf /usr/src/$(MODULE_NAME)-$(MODULE_VER)
mkdir /usr/src/$(MODULE_NAME)-$(MODULE_VER) -p
cp . /usr/src/$(MODULE_NAME)-$(MODULE_VER) -a
rm -rf /usr/src/$(MODULE_NAME)-$(MODULE_VER)/.hg
$(REMOVE_MODULE)
dkms add -m $(MODULE_NAME) -v $(MODULE_VER)
dkms build -m $(MODULE_NAME) -v $(MODULE_VER)
dkms install -m $(MODULE_NAME) -v $(MODULE_VER) --force

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# Linux Microdia Keyboard Chipset Driver #
For Chipset `0x0c45`:`0x7603`
The kernel reports the chipset as `Microdia`
Written for the Perixx PX-1800 USB Keyboard: [Perixx PX-1800 Keyboard](http://www.perixx.com/en/service/Perixx_Manual/GAMING/PX-1800.pdf)
Original base: swoogan.blogspot.de/2014/09/azio-l70-keyboard-linux-driver.html
> NOTE: Makefile and instructions are only tested on Ubuntu, however they are known to work on Debian, Arch, Fedora, and Manjaro.
Reportedy supports the following keyboards as well:
* SL-6432-BK - Speedlink LUCIDIS Comfort Illuminated Keyboard
* COUGAR 200K Scissor Gaming Keyboard
* GAMDIAS USB Keyboard (unspecified model but will report as Microdia chipset)
* Avazz USB Keyboard (unspecified model but will report as Microdia chipset)
* Perixx P1800
* Modecom MC800-Volcano
# Installation ##
## DKMS ##
# debian-based:
sudo apt-get install mercurial build-essential linux-headers-generic dkms
# fedora:
sudo dnf install kernel-devel kernel-headers
sudo dnf groupinstall "Development Tools" "Development Libraries"
hg clone https://bitbucket.org/Swoogan/aziokbd
cd aziokbd
sudo ./install.sh dkms
## Manual Install ##
sudo apt-get install mercurial build-essential linux-headers-generic
hg clone https://bitbucket.org/Swoogan/aziokbd
cd aziokbd
sudo ./install.sh
# Blacklisting #
**NOTE: install.sh attempts to blacklist the driver for you. You shouldn't need to do anything manually. These instructions are to explain the process, in the event something goes wrong.**
You need to blacklist the device from the generic USB hid driver in order for the aziokbd driver to control it.
## Kernel Module ##
If the USB hid driver is compiled as a kernel module you will need to create a quirks file and blacklist it there.
You can determine if the driver is a module by running the following:
lsmod | grep usbhid
If `grep` finds something, it means that the driver is a module.
Create a file called `/etc/modprobe.d/usbhid.conf` and add the following to it:
options usbhid quirks=0x0c45:0x7603:0x0004
If you find that the generic USB driver is still taking the device, try changing the `0x0004` to a `0x0007`.
## Compiled into Kernel ##
If the generic USB hid driver is compiled into the kernel, then the driver is not loaded as a module and setting the option via `modprobe` will not work. In this case you must pass the option to the driver via the grub boot loader.
Create a new file in `/etc/default/grub.d/`. For example, you might call it `aziokbd.conf`. (If your grub package doesn't have this directory, just modify the generic `/etc/default/grub` configuration file):
GRUB_CMDLINE_LINUX_DEFAULT='usbhid.quirks=0x0c45:0x7603:0x4'
Then run `sudo update-grub` and reboot.
Again, if you find that `0x4` doesn't work, try `0x7`.

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PACKAGE_NAME=perixxkbd
PACKAGE_VERSION=1.0.0
BUILT_MODULE_NAME[0]=perixxkbd
DEST_MODULE_LOCATION[0]="/kernel/drivers/input/keyboard"
AUTOINSTALL="yes"

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#!/bin/bash
if [[ $1 != 'dkms' ]]; then
echo '## Making package ##'
make
echo '## Installing package ##'
make install
else
echo '## Installing package with DKMS ##'
make dkms
fi
quirk='0x0c45:0x7603:0x0007'
modquirk="options usbhid quirks=$quirk"
grubquirk="usbhid.quirks=$quirk"
if (lsmod | grep 'usbhid'); then
echo '## usbhid is module ##'
# Making sure the quirk does not get added multiple times
if ! (cat /etc/modprobe.d/usbhid.conf | grep "$modquirk"); then
echo '## Writing to /etc/modprobe.d/usbhid.conf ##'
echo $modquirk >> /etc/modprobe.d/usbhid.conf
if [[ $1 != 'dkms' ]]; then sudo echo 'perixxkbd' >> /etc/modules; fi
else
echo 'NOTICE - modprobe config files have already been updated'
fi
echo '## Starting module ##'
modprobe perixxkbd
# Note: this line may fail if you have other drivers loaded that depend
# on usbhid. For example, your mouse driver. In that case you would have
# to remove those drivers first, then load them again.
echo '## Attempting to reload usbhid module ##'
rmmod usbhid && modprobe usbhid quirks=$quirk
else
echo '## usbhid is compiled into kernel ##'
# Making sure the quirk does not get added multiple times
if ! (cat /etc/default/grub.d/perixxkbd.conf | grep "$grubquirk"); then
echo '## Writing to /etc/default/grub.d/perixxkbd.conf ##'
echo $grubquirk >> /etc/default/grub.d/perixxkbd.conf
$distro = $(lsb_release -si)
if ($distro | grep 'Ubuntu'); then
update-grub
fi
if [ -f "/etc/arch-release" ]; then
update-grub
fi
if [ -f "/etc/fedora-release" ]; then
grub2-mkconfig -o /boot/grub2/grub.cfg
fi
else
echo 'NOTICE - grub config file has already been updated'
fi
echo '## You must reboot to load the module ##'
fi

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/*
* Copyright (c) 2013 Colin Svingen
* Copyright (c) 2016 Christoph Haas
*
* Perixx PX-1800 USB Keyboard support
*/
/*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so by email.
* Mail your message to Christoph Haas <christoph.h@sprinternet.at>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/usb/input.h>
#include <linux/hid.h>
/*
* Version Information
*/
#define DRIVER_VERSION ""
#define DRIVER_AUTHOR "Christoph Haas <christoph.h@sprinternet.at>"
#define DRIVER_DESC "Perixx PX-1800 Keyboard Driver"
#define DRIVER_LICENSE "GPL"
#define ML_VENDOR_ID 0x0c45
#define ML_PRODUCT_ID 0x7603
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE(DRIVER_LICENSE);
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,
/* 8-15 */ KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT, KEY_LEFTMETA, KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT, KEY_RESERVED,
/* 16-23 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_A, KEY_B, KEY_C, KEY_D,
/* 24-31 */ KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
/* 32-39 */ KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
/* 40-47 */ KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2,
/* 48-55 */ KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_0,
/* 56-63 */ KEY_ENTER, KEY_ESC, KEY_BACKSPACE, KEY_TAB, KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE,
/* END 04 */
/* BEGIN 05 */
/* 64-71 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 72-79 */ KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA, KEY_DOT,
/* 80-87 */ KEY_SLASH, KEY_CAPSLOCK, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6,
/* 88-95 */ KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12, KEY_SYSRQ, KEY_SCROLLLOCK,
/* 96-103 */ KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP, KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT,
/* 104-111 */ KEY_LEFT, KEY_DOWN, KEY_UP, KEY_NUMLOCK, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, KEY_KPPLUS,
/* 112-119 */ KEY_KPENTER, KEY_KP1, KEY_KP2, KEY_KP3, KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7,
/* 120-127 */ KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT, KEY_102ND, KEY_MENU, KEY_RESERVED, KEY_RESERVED,
/* END 05 */
/* 01 */
/* 128-135 */ KEY_VOLUMEDOWN, KEY_VOLUMEUP, KEY_MEDIA, KEY_MUTE, KEY_PAUSE, KEY_PREVIOUSSONG, KEY_PLAYPAUSE, KEY_NEXTSONG,
/* 136-143 */ KEY_MAIL, KEY_HOMEPAGE, KEY_CALC, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 144-151 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 152-159 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 160-167 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 168-175 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 176-183 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 184-191 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* BEGIN 06 */
/* 192-199 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 200-207 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 208-215 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 216-223 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 224-231 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_SLASH,
/* 232-239 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 240-247 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 248-255 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* END 06 */
};
struct usb_kbd {
struct input_dev *dev;
struct usb_device *usbdev;
unsigned char old[8];
struct urb *irq, *led;
unsigned char newleds;
char name[128];
char phys[64];
unsigned char *new;
struct usb_ctrlrequest *cr;
unsigned char *leds;
dma_addr_t new_dma;
dma_addr_t leds_dma;
};
static void usb_kbd_irq(struct urb *urb)
{
struct usb_kbd *kbd = urb->context;
int i, j, offset;
char keys[9];
switch (urb->status) {
case 0: /* success */
break;
case -ECONNRESET: /* unlink */
case -ENOENT:
case -ESHUTDOWN:
return;
/* -EPIPE: should clear the halt */
default: /* error */
goto resubmit;
}
/*
printk("Keyup keycode: ");
for (i = 0; i < 8; i++)
printk("%d ", kbd->old[i]);
printk("\n");
*/
/*
// The following lines are for logging keypresses to the
// kernel dmesg facility. Uncomment the following lines
// to capture the keycode for any non-functioning keys
// and open a new issue on bitbucket.org with the key
// you pressed and the keycode output below.
printk("Keydown keycode: ");
for (i = 0; i < 8; i++)
printk("%d ", kbd->new[i]);
printk("\n");
*/
if (kbd->new[0] == 1) {
// volume down
if (kbd->new[1] == 234 && kbd->old[1] != 234)
input_report_key(kbd->dev, px_kbd_keycode[128], 1);
if (kbd->old[1] == 234 && kbd->new[1] != 234)
input_report_key(kbd->dev, px_kbd_keycode[128], 0);
// volume up
if (kbd->new[1] == 233 && kbd->old[1] != 233)
input_report_key(kbd->dev, px_kbd_keycode[129], 1);
if (kbd->old[1] == 233 && kbd->new[1] != 233)
input_report_key(kbd->dev, px_kbd_keycode[129], 0);
// Media
if (kbd->new[1] == 131 && kbd->old[1] != 131)
input_report_key(kbd->dev, px_kbd_keycode[130], 1);
if (kbd->old[1] == 131 && kbd->new[1] != 131)
input_report_key(kbd->dev, px_kbd_keycode[130], 0);
// Mute
if (kbd->new[1] == 226 && kbd->old[1] != 226)
input_report_key(kbd->dev, px_kbd_keycode[131], 1);
if (kbd->old[1] == 226 && kbd->new[1] != 226)
input_report_key(kbd->dev, px_kbd_keycode[131], 0);
// Stop
if (kbd->new[1] == 183 && kbd->old[1] != 183)
input_report_key(kbd->dev, px_kbd_keycode[132], 1);
if (kbd->old[1] == 183 && kbd->new[1] != 183)
input_report_key(kbd->dev, px_kbd_keycode[132], 0);
// Prev Song
if (kbd->new[1] == 182 && kbd->old[1] != 182)
input_report_key(kbd->dev, px_kbd_keycode[133], 1);
if (kbd->old[1] == 182 && kbd->new[1] != 182)
input_report_key(kbd->dev, px_kbd_keycode[133], 0);
// Play/Pause
if (kbd->new[1] == 205 && kbd->old[1] != 205)
input_report_key(kbd->dev, px_kbd_keycode[134], 1);
if (kbd->old[1] == 205 && kbd->new[1] != 205)
input_report_key(kbd->dev, px_kbd_keycode[134], 0);
// Next Song
if (kbd->new[1] == 181 && kbd->old[1] != 181)
input_report_key(kbd->dev, px_kbd_keycode[135], 1);
if (kbd->old[1] == 181 && kbd->new[1] != 181)
input_report_key(kbd->dev, px_kbd_keycode[135], 0);
// Mail
if (kbd->new[1] == 138 && kbd->old[1] != 138)
input_report_key(kbd->dev, px_kbd_keycode[136], 1);
if (kbd->old[1] == 138 && kbd->new[1] != 138)
input_report_key(kbd->dev, px_kbd_keycode[136], 0);
// Homepage
if (kbd->new[1] == 35 && kbd->old[1] != 35)
input_report_key(kbd->dev, px_kbd_keycode[137], 1);
if (kbd->old[1] == 35 && kbd->new[1] != 35)
input_report_key(kbd->dev, px_kbd_keycode[137], 0);
// Calc
if (kbd->new[1] == 146 && kbd->old[1] != 146)
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) {
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) {
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) {
for (j = 1; j < 8; j++) {
offset = (j * 8) + 192;
for (i = 0; i < 8; i++)
input_report_key(kbd->dev, px_kbd_keycode[offset + i], (kbd->new[j] >> i) & 1);
}
}
input_sync(kbd->dev);
memcpy(kbd->old, kbd->new, 8);
resubmit:
i = usb_submit_urb (urb, GFP_ATOMIC);
if (i)
hid_err(urb->dev, "can't resubmit intr, %s-%s/input0, status %d",
kbd->usbdev->bus->bus_name,
kbd->usbdev->devpath, i);
}
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);
if (type != EV_LED)
return -1;
kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
(!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL, dev->led) << 1) |
(!!test_bit(LED_NUML, dev->led));
if (kbd->led->status == -EINPROGRESS)
return 0;
if (*(kbd->leds) == kbd->newleds)
return 0;
*(kbd->leds) = kbd->newleds;
kbd->led->dev = kbd->usbdev;
if (usb_submit_urb(kbd->led, GFP_ATOMIC))
pr_err("usb_submit_urb(leds) failed\n");
return 0;
}
static void usb_kbd_led(struct urb *urb)
{
struct usb_kbd *kbd = urb->context;
if (urb->status)
hid_warn(urb->dev, "led urb status %d received\n",
urb->status);
if (*(kbd->leds) == kbd->newleds)
return;
*(kbd->leds) = kbd->newleds;
kbd->led->dev = kbd->usbdev;
if (usb_submit_urb(kbd->led, GFP_ATOMIC))
hid_err(urb->dev, "usb_submit_urb(leds) failed\n");
}
static int usb_kbd_open(struct input_dev *dev)
{
struct usb_kbd *kbd = input_get_drvdata(dev);
kbd->irq->dev = kbd->usbdev;
if (usb_submit_urb(kbd->irq, GFP_KERNEL))
return -EIO;
return 0;
}
static void usb_kbd_close(struct input_dev *dev)
{
struct usb_kbd *kbd = input_get_drvdata(dev);
usb_kill_urb(kbd->irq);
}
static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd)
{
if (!(kbd->irq = usb_alloc_urb(0, GFP_KERNEL)))
return -1;
if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL)))
return -1;
if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &kbd->new_dma)))
return -1;
if (!(kbd->cr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL)))
return -1;
if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_ATOMIC, &kbd->leds_dma)))
return -1;
return 0;
}
static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
{
usb_free_urb(kbd->irq);
usb_free_urb(kbd->led);
usb_free_coherent(dev, 8, kbd->new, kbd->new_dma);
kfree(kbd->cr);
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)
{
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;
int error = -ENOMEM;
interface = iface->cur_altsetting;
if (interface->desc.bNumEndpoints != 1)
return -ENODEV;
endpoint = &interface->endpoint[0].desc;
if (!usb_endpoint_is_int_in(endpoint))
return -ENODEV;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
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))
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));
printk("<1>aziokbd: detected %s\n", kbd->name);
usb_make_path(dev, kbd->phys, sizeof(kbd->phys));
strlcat(kbd->phys, "/input0", sizeof(kbd->phys));
input_dev->name = kbd->name;
input_dev->phys = kbd->phys;
usb_to_input_id(dev, &input_dev->id);
input_dev->dev.parent = &iface->dev;
input_set_drvdata(input_dev, kbd);
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
BIT_MASK(EV_REP);
input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_COMPOSE) |
BIT_MASK(LED_KANA);
for (i = 0; i < 255; i++)
set_bit(px_kbd_keycode[i], input_dev->keybit);
clear_bit(0, input_dev->keybit);
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),
usb_kbd_irq, kbd, endpoint->bInterval);
kbd->irq->transfer_dma = kbd->new_dma;
kbd->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
kbd->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE;
kbd->cr->bRequest = 0x09;
kbd->cr->wValue = cpu_to_le16(0x200);
//kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
kbd->cr->wIndex = cpu_to_le16(0);
kbd->cr->wLength = cpu_to_le16(1);
usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0),
(void *) kbd->cr, kbd->leds, 1,
usb_kbd_led, kbd);
kbd->led->transfer_dma = kbd->leds_dma;
kbd->led->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
error = input_register_device(kbd->dev);
if (error)
goto fail2;
usb_set_intfdata(iface, kbd);
device_set_wakeup_enable(&dev->dev, 1);
return 0;
fail2:
usb_kbd_free_mem(dev, kbd);
fail1:
input_free_device(input_dev);
kfree(kbd);
return error;
}
static void usb_kbd_disconnect(struct usb_interface *intf)
{
struct usb_kbd *kbd = usb_get_intfdata (intf);
usb_set_intfdata(intf, NULL);
if (kbd) {
usb_kill_urb(kbd->irq);
input_unregister_device(kbd->dev);
usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
kfree(kbd);
}
}
static struct usb_device_id usb_kbd_id_table [] = {
{ USB_DEVICE(ML_VENDOR_ID, ML_PRODUCT_ID) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, usb_kbd_id_table);
static struct usb_driver usb_kbd_driver = {
.name = "perixxkbd",
.probe = usb_kbd_probe,
.disconnect = usb_kbd_disconnect,
.id_table = usb_kbd_id_table,
};
static int __init usb_kbd_init(void)
{
int result = usb_register(&usb_kbd_driver);
if (result == 0)
printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
DRIVER_DESC "\n");
return result;
}
static void __exit usb_kbd_exit(void)
{
usb_deregister(&usb_kbd_driver);
}
module_init(usb_kbd_init);
module_exit(usb_kbd_exit);