Changelogs:
1. Port to HID simple driver layer 0.5.0.
It can be applied on 2.6.21 at least.
Signed-off-by: Liyu <[EMAIL PROTECTED]>
--- linux-2.6.18/drivers/usb/input.orig/usbnek4k.c 1970-01-01
08:00:00.000000000 +0800
+++ linux-2.6.18/drivers/usb/input/usbnek4k.c 2006-10-12 13:29:28.000000000
+0800
@@ -0,0 +1,252 @@
+/*
+ * Microsoft Natural Ergonomic Keyboard 4000 Driver
+ *
+ * Version: 0.4.0
+ *
+ * Copyright (c) 2006 Li Yu <[EMAIL PROTECTED]>
+ */
+
+/*
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include "hid.h"
+#include "hid-simple.h"
+
+static int ascii_keycode;
+module_param(ascii_keycode, bool, 0444);
+MODULE_PARM_DESC(ascii_keycode, "Only yield ASCII keycodes when turn on this,
default=n");
+
+#define USAGE_ZOOM_IN 0x22d
+#define USAGE_ZOOM_OUT 0x22e
+#define USAGE_HOME 0x223
+#define USAGE_SEARCH 0x221
+#define USAGE_EMAIL 0x18a
+#define USAGE_FAVORITES 0x182
+#define USAGE_MUTE 0xe2
+#define USAGE_VOLUME_DOWN 0xea
+#define USAGE_VOLUME_UP 0xe9
+#define USAGE_PLAY_PAUSE 0xcd
+#define USAGE_CALCULATOR 0x192
+#define USAGE_BACK 0x224
+#define USAGE_FORWARD 0x225
+#define USAGE_CUSTOM 0xff05
+
+#define USAGE_CUSTOM_RELEASE 0x0
+#define USAGE_CUSTOM_1 0x1
+#define USAGE_CUSTOM_2 0x2
+#define USAGE_CUSTOM_3 0x4
+#define USAGE_CUSTOM_4 0x8
+#define USAGE_CUSTOM_5 0x10
+
+#define USAGE_HELP 0x95
+#define USAGE_UNDO 0x21a
+#define USAGE_REDO 0x279
+#define USAGE_NEW 0x201
+#define USAGE_OPEN 0x202
+#define USAGE_CLOSE 0x203
+
+#define USAGE_REPLY 0x289
+#define USAGE_FWD 0x28b
+#define USAGE_SEND 0x28c
+#define USAGE_SPELL 0x1ab
+#define USAGE_SAVE 0x207
+#define USAGE_PRINT 0x208
+
+#define USAGE_KEYPAD_EQUAL 0x67
+#define USAGE_KEYPAD_LEFT_PAREN 0xb6
+#define USAGE_KEYPAD_RIGHT_PAREN 0xb7
+
+#define MSNEK4K_ID_VENDOR 0x045e
+#define MSNEK4K_ID_PRODUCT 0x00db
+
+#define map_key(c) do { usage->code = c; usage->type = EV_KEY;
set_bit(c,input->keybit); } while (0)
+#define clear_key(c) do { usage->code = 0; usage->type = 0;
clear_bit(c,input->keybit); } while (0)
+
+static struct usb_device_id nek4k_id_table[] = {
+ { USB_DEVICE(MSNEK4K_ID_VENDOR, MSNEK4K_ID_PRODUCT) },
+ {}
+};
+
+MODULE_DEVICE_TABLE(usb, nek4k_id_table);
+MODULE_DESCRIPTION("Microsoft Natural Ergonomic Keyboard 4000 Driver");
+MODULE_VERSION("0.4.0");
+
+struct usage_block consumer_usage_block[] = {
+ USAGE_BLOCK(USAGE_ZOOM_IN, 0, EV_KEY, KEY_F13, 0),
+ USAGE_BLOCK(USAGE_ZOOM_OUT, 0, EV_KEY, KEY_F14, 0),
+ USAGE_BLOCK(USAGE_HOME, 0, EV_KEY, KEY_HOMEPAGE, 0),
+ USAGE_BLOCK(USAGE_SEARCH, 0, EV_KEY, KEY_SEARCH, 0),
+ USAGE_BLOCK(USAGE_EMAIL, 0, EV_KEY, KEY_EMAIL, 0),
+ USAGE_BLOCK(USAGE_MUTE, 0, EV_KEY, KEY_MUTE, 0),
+ USAGE_BLOCK(USAGE_VOLUME_DOWN, 0, EV_KEY, KEY_VOLUMEDOWN, 0),
+ USAGE_BLOCK(USAGE_VOLUME_UP, 0, EV_KEY, KEY_VOLUMEUP, 0),
+ USAGE_BLOCK(USAGE_PLAY_PAUSE, 0, EV_KEY, KEY_PLAYPAUSE, 0),
+ USAGE_BLOCK(USAGE_CALCULATOR, 0, EV_KEY, KEY_CALC, 0),
+ USAGE_BLOCK(USAGE_BACK, 0, EV_KEY, KEY_BACK, 0),
+ USAGE_BLOCK(USAGE_FORWARD, 0, EV_KEY, KEY_FORWARD, 0),
+ USAGE_BLOCK(USAGE_HELP, 0, EV_KEY, KEY_HELP, 0),
+ USAGE_BLOCK(USAGE_UNDO, 0, EV_KEY, KEY_UNDO, 0),
+ USAGE_BLOCK(USAGE_REDO, 0, EV_KEY, KEY_REDO, 0),
+ USAGE_BLOCK(USAGE_NEW, 0, EV_KEY, KEY_NEW, 0),
+ USAGE_BLOCK(USAGE_OPEN, 0, EV_KEY, KEY_OPEN, 0),
+ USAGE_BLOCK(USAGE_CLOSE, 0, EV_KEY, KEY_CLOSE, 0),
+ USAGE_BLOCK(USAGE_REPLY, 0, EV_KEY, KEY_REPLY, 0),
+ USAGE_BLOCK(USAGE_FWD, 0, EV_KEY, KEY_FORWARDMAIL, 0),
+ USAGE_BLOCK(USAGE_SEND, 0, EV_KEY, KEY_SEND, 0),
+ USAGE_BLOCK(USAGE_SPELL, 0, EV_KEY, KEY_F15, 0),
+ USAGE_BLOCK(USAGE_SAVE, 0, EV_KEY, KEY_SAVE, 0),
+ USAGE_BLOCK(USAGE_PRINT, 0, EV_KEY, KEY_PRINT, 0),
+ USAGE_BLOCK_NULL
+};
+
+struct usage_block msvendor_usage_block[] = {
+ USAGE_BLOCK(USAGE_CUSTOM, USAGE_CUSTOM_1, EV_KEY, KEY_FN_F1, 0),
+ USAGE_BLOCK(USAGE_CUSTOM, USAGE_CUSTOM_2, EV_KEY, KEY_FN_F2, 0),
+ USAGE_BLOCK(USAGE_CUSTOM, USAGE_CUSTOM_3, EV_KEY, KEY_FN_F3, 0),
+ USAGE_BLOCK(USAGE_CUSTOM, USAGE_CUSTOM_4, EV_KEY, KEY_FN_F4, 0),
+ USAGE_BLOCK(USAGE_CUSTOM, USAGE_CUSTOM_5, EV_KEY, KEY_FN_F5, 0),
+ USAGE_BLOCK_NULL
+};
+
+struct usage_block keyboard_usage_block[] = {
+ USAGE_BLOCK(USAGE_KEYPAD_EQUAL, 0, EV_KEY, KEY_KPEQUAL, 0),
+ USAGE_BLOCK(USAGE_KEYPAD_LEFT_PAREN, 0, EV_KEY, KEY_KPLEFTPAREN, 0),
+ USAGE_BLOCK(USAGE_KEYPAD_RIGHT_PAREN, 0, EV_KEY, KEY_KPRIGHTPAREN, 0),
+ USAGE_BLOCK_NULL
+};
+
+struct usage_page_block nek4k_usage_page_blockes[] = {
+ USAGE_PAGE_BLOCK(HID_UP_CONSUMER, consumer_usage_block),
+ USAGE_PAGE_BLOCK(HID_UP_MSVENDOR, msvendor_usage_block),
+ USAGE_PAGE_BLOCK(HID_UP_KEYBOARD, keyboard_usage_block),
+ USAGE_PAGE_BLOCK_NULL
+};
+
+static void nek4k_setup_usage(struct hid_field *field, struct hid_usage *usage)
+{
+ struct hid_input *hidinput = field->hidinput;
+ struct input_dev *input = hidinput->input;
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
+ if ((usage->hid & HID_USAGE) == USAGE_FAVORITES) {
+ if (ascii_keycode)
+ map_key(KEY_F16);
+ else
+ map_key(KEY_FAVORITES);
+ }
+ } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
+ if ((usage->hid & HID_USAGE) == USAGE_CUSTOM) {
+ if (ascii_keycode) {
+ set_bit(KEY_F18,input->keybit);
+ set_bit(KEY_F19,input->keybit);
+ set_bit(KEY_F20,input->keybit);
+ set_bit(KEY_F21,input->keybit);
+ set_bit(KEY_F22,input->keybit);
+ } else {
+ set_bit(KEY_FN_F1,input->keybit);
+ set_bit(KEY_FN_F2,input->keybit);
+ set_bit(KEY_FN_F3,input->keybit);
+ set_bit(KEY_FN_F4,input->keybit);
+ set_bit(KEY_FN_F5,input->keybit);
+ }
+ }
+ }
+}
+
+static void nek4k_clear_usage(struct hid_field *field, struct hid_usage *usage)
+{
+ struct hid_input *hidinput = field->hidinput;
+ struct input_dev *input = hidinput->input;
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
+ if ((usage->hid & HID_USAGE) == USAGE_FAVORITES) {
+ if (ascii_keycode)
+ clear_key(KEY_F16);
+ else
+ clear_key(KEY_FAVORITES);
+ }
+ } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
+ if ((usage->hid & HID_USAGE) == USAGE_CUSTOM) {
+ if (ascii_keycode) {
+ clear_bit(KEY_F18,input->keybit);
+ clear_bit(KEY_F19,input->keybit);
+ clear_bit(KEY_F20,input->keybit);
+ clear_bit(KEY_F21,input->keybit);
+ clear_bit(KEY_F22,input->keybit);
+ } else {
+ clear_bit(KEY_FN_F1,input->keybit);
+ clear_bit(KEY_FN_F2,input->keybit);
+ clear_bit(KEY_FN_F3,input->keybit);
+ clear_bit(KEY_FN_F4,input->keybit);
+ clear_bit(KEY_FN_F5,input->keybit);
+ }
+ }
+ }
+}
+
+static int nek4k_pre_event(const struct hid_device *hid,
+ const struct hid_field *field,
+ const struct hid_usage *usage,
+ const __s32 value,
+ const struct pt_regs *regs)
+{
+ struct hid_input *hidinput = field->hidinput;
+ struct input_dev *input = hidinput->input;
+ int code = 0;
+
+ if (((usage->hid&HID_USAGE_PAGE) != HID_UP_MSVENDOR) ||
+ (usage->hid&HID_USAGE) != USAGE_CUSTOM)
+ return (!0); /* Let hid core continue to process them */
+
+ code = ascii_keycode ? KEY_F18-1 : KEY_FN_F1-1;
+ switch (value) {
+ case USAGE_CUSTOM_RELEASE:
+ code = (int)hidinput->private;
+ break;
+ case USAGE_CUSTOM_1:
+ case USAGE_CUSTOM_2:
+ case USAGE_CUSTOM_3:
+ case USAGE_CUSTOM_4:
+ case USAGE_CUSTOM_5:
+ code += ffs(value);
+ }
+ if (code) {
+ hidinput->private = (void*)code;
+ input_report_key(input, code, value);
+ input_sync(input);
+ }
+ return 0;
+}
+
+static struct hidinput_simple_driver nek4k_driver = {
+ .owner = THIS_MODULE,
+ .name = "usbnek4k",
+ .setup_usage = nek4k_setup_usage,
+ .clear_usage = nek4k_clear_usage,
+ .pre_event = nek4k_pre_event,
+ .id_table = nek4k_id_table,
+ .usage_page_table = nek4k_usage_page_blockes,
+ .private = NULL
+};
+
+static int __init nek4k_init(void)
+{
+ return hidinput_register_simple_driver(&nek4k_driver);
+}
+
+static void __exit nek4k_exit(void)
+{
+ hidinput_unregister_simple_driver(&nek4k_driver);
+}
+
+module_init(nek4k_init);
+module_exit(nek4k_exit);
+
+MODULE_LICENSE("GPL");
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