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Message-ID: <200704301419090949930@gmail.com>
Date: Mon, 30 Apr 2007 14:19:12 +0800
From: "Li Yu" <raise.sail@...il.com>
To: "Dmitry Torokhov" <dmitry.torokhov@...il.com>,
"Greg Kroah Hartman" <greg@...ah.com>,
"linux-usb-devel" <linux-usb-devel@...ts.sourceforge.net>,
"LKML" <linux-kernel@...r.kernel.org>,
"Vincent Legoll" <vincentlegoll@...il.com>,
"Zephaniah E. Hull" <warp@...allh.com>,
"Andrew Morton" <akpm@...ux-foundation.org>,
"Harold Sargeant" <harold-sargeant@...world.com>
Cc: "liyu" <liyu@...ss.com.cn>
Subject: [PATCH] usb/hid:The HID Simple Driver Patches 0.5.1
This patch set include :
1. usb/hid: The HID Simple Driver Interface 0.5.0 (core)
2. usb/hid:Microsoft Natural Ergonomic Keyboard 4000 Driver 0.5.1
3. Some related kbuild changes.
The changelog since 0.5.0:
1. The parameter ascii_keycode of usbnek4k.ko is on default. so the five custom keys can work without any care.
2. Add the parameter zoom_scroll of usbnek4k.ko, so we can use zoomin/zoomout handlers as mouse scrollwheel. this is on default too.
Signed-off-by: Liyu <raise.sail@...il.com>
diff -Naurp linux-2.6.21.1.orig/drivers/hid/hid-core.c linux-2.6.21.1.new/drivers/hid/hid-core.c
--- linux-2.6.21.1.orig/drivers/hid/hid-core.c 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/hid/hid-core.c 2007-04-30 11:00:10.000000000 +0800
@@ -27,8 +27,10 @@
#include <linux/input.h>
#include <linux/wait.h>
#include <linux/vmalloc.h>
+#include <linux/mutex.h>
#include <linux/hid.h>
+#include <linux/hid-simple.h>
#include <linux/hiddev.h>
#include <linux/hid-debug.h>
@@ -42,6 +44,19 @@
#define DRIVER_LICENSE "GPL"
/*
+ * The global data structure for simple device driver interface.
+ */
+DEFINE_MUTEX(matched_devices_lock);
+DEFINE_MUTEX(simple_drivers_lock);
+LIST_HEAD(matched_devices_list);
+LIST_HEAD(simple_drivers_list);
+
+EXPORT_SYMBOL(matched_devices_lock);
+EXPORT_SYMBOL(simple_drivers_lock);
+EXPORT_SYMBOL(matched_devices_list);
+EXPORT_SYMBOL(simple_drivers_list);
+
+/*
* Register a new report for a device.
*/
@@ -803,8 +818,12 @@ static __inline__ int search(__s32 *arra
static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt)
{
hid_dump_input(usage, value);
- if (hid->claimed & HID_CLAIMED_INPUT)
+ if (hid->claimed & HID_CLAIMED_INPUT) {
+ if (!hidinput_simple_event_filter(hid, field, usage, value))
+ return;
hidinput_hid_event(hid, field, usage, value);
+ hidinput_simple_event_post(hid, field, usage, value);
+ }
if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
hid->hiddev_hid_event(hid, field, usage, value);
}
@@ -829,7 +848,6 @@ void hid_input_field(struct hid_device *
return;
for (n = 0; n < count; n++) {
-
value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
extract(data, offset + n * size, size);
@@ -985,5 +1003,136 @@ int hid_input_report(struct hid_device *
}
EXPORT_SYMBOL_GPL(hid_input_report);
+#ifdef CONFIG_HID_SIMPLE
+static int hidinput_simple_driver_bind_one(struct hidinput_simple_driver *simple,
+ struct hid_device *hid,
+ struct matched_device *matched,
+ int reload)
+{
+ int ret;
+
+ if (!try_module_get(simple->owner))
+ return -ENODEV;
+ /*
+ * If the simple driver register itself after device insert,
+ * we must send hotplug message to userspace again, elsewise,
+ * we will break down some applications.
+ */
+ if (reload && hidinput_disconnect_core(hid)) {
+ module_put(simple->owner);
+ return -ENODEV;
+ }
+ ret = hidinput_simple_driver_connect(simple, matched);
+
+ if (reload)
+ hidinput_reconnect_core(hid); /* To activate this input_dev */
+ if (!ret)
+ printk(KERN_INFO "The simple driver \'%s\' attach"
+ " to the device \'%s\'\n", simple->name, hid->name);
+ else
+ module_put(simple->owner);
+ return 0;
+}
+
+void hidinput_simple_driver_bind_foreach_simple(
+ struct hid_device *hid,
+ struct matched_device *matched)
+{
+ struct hidinput_simple_driver *simple;
+ struct list_head *node;
+
+ if (!hid || !matched || !matched->id || matched->hid)
+ return;
+ mutex_lock(&simple_drivers_lock);
+ list_for_each(node, &simple_drivers_list) {
+ simple = list_entry(node, struct hidinput_simple_driver, node);
+ if (simple->match_device(simple, matched)) {
+ if (!hidinput_simple_driver_bind_one(simple, hid,
+ matched, 0))
+ break;
+ }
+ }
+ mutex_unlock(&simple_drivers_lock);
+}
+EXPORT_SYMBOL(hidinput_simple_driver_bind_foreach_simple);
+
+void hidinput_simple_driver_bind_foreach_matched(
+ struct hidinput_simple_driver *simple)
+{
+ struct list_head *node=NULL;
+ struct matched_device *matched;
+ struct hid_device *hid=NULL;
+
+ if (!simple)
+ return;
+
+ mutex_lock(&matched_devices_lock);
+ list_for_each(node, &matched_devices_list) {
+ matched = list_entry(node, struct matched_device, node);
+ hid = matched->hid;
+ if (!hid || hid->simple)
+ continue;
+ if (!simple->match_device(simple, matched))
+ continue;
+ if (!hidinput_simple_driver_bind_one(simple, hid, matched, 1))
+ break;
+ }
+ mutex_unlock(&matched_devices_lock);
+}
+
+void hidinput_simple_driver_bind_foreach(void)
+{
+ struct hidinput_simple_driver *simple;
+ struct matched_device *matched = NULL;
+ struct list_head *matched_node = NULL, *simple_node = NULL;
+ struct hid_device *hid = NULL;
+
+ mutex_lock(&matched_devices_lock);
+ list_for_each(matched_node, &matched_devices_list) {
+ matched = list_entry(matched_node, struct matched_device, node);
+ hid = matched->hid;
+ if (!hid || hid->simple)
+ continue;
+ mutex_lock(&simple_drivers_lock);
+ list_for_each(simple_node, &simple_drivers_list) {
+ simple = list_entry(simple_node, struct hidinput_simple_driver, node);
+ if (!simple->match_device(simple,matched))
+ continue;
+ hidinput_simple_driver_bind_one(simple,
+ hid, matched, 1);
+ }
+ mutex_unlock(&simple_drivers_lock);
+ }
+ mutex_unlock(&matched_devices_lock);
+}
+
+int hidinput_register_simple_driver(struct hidinput_simple_driver *simple)
+{
+ if (!simple || !simple->name)
+ return -EINVAL;
+
+ hidinput_simple_driver_init(simple);
+ hidinput_simple_driver_bind_foreach_matched(simple);
+
+ mutex_lock(&simple_drivers_lock);
+ list_add(&simple->node, &simple_drivers_list);
+ mutex_unlock(&simple_drivers_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hidinput_register_simple_driver);
+
+void hidinput_unregister_simple_driver(struct hidinput_simple_driver *simple)
+{
+ hidinput_simple_driver_clear(simple);
+ mutex_lock(&simple_drivers_lock);
+ list_del(&simple->node);
+ mutex_unlock(&simple_drivers_lock);
+ /* to active simple device driver that it is waiting */
+ hidinput_simple_driver_bind_foreach();
+}
+EXPORT_SYMBOL_GPL(hidinput_unregister_simple_driver);
+#endif
+
MODULE_LICENSE(DRIVER_LICENSE);
diff -Naurp linux-2.6.21.1.orig/drivers/hid/hid-input.c linux-2.6.21.1.new/drivers/hid/hid-input.c
--- linux-2.6.21.1.orig/drivers/hid/hid-input.c 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/hid/hid-input.c 2007-04-30 10:59:47.000000000 +0800
@@ -30,8 +30,10 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/kernel.h>
+#include <linux/spinlock.h>
#include <linux/hid.h>
+#include <linux/hid-simple.h>
#include <linux/hid-debug.h>
static int hid_pb_fnmode = 1;
@@ -65,6 +67,8 @@ static const struct {
__s32 y;
} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
+typedef void (*do_usage_t)(struct hid_field *, struct hid_usage *);
+
#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
@@ -73,6 +77,15 @@ static const struct {
#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
+static inline void hidinput_send_event(struct hid_input *hidinput, int type,
+ int code, int value)
+{
+ if (!hidinput_trylock_simple(hidinput)) {
+ input_event(hidinput->input, type, code, value);
+ hidinput_unlock_simple(hidinput);
+ }
+}
+
#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
struct hidinput_key_translation {
@@ -143,7 +156,7 @@ static struct hidinput_key_translation *
return NULL;
}
-static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
+static int hidinput_pb_event(struct hid_device *hid, struct hid_input *hidinput,
struct hid_usage *usage, __s32 value)
{
struct hidinput_key_translation *trans;
@@ -152,7 +165,7 @@ static int hidinput_pb_event(struct hid_
if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
- input_event(input, usage->type, usage->code, value);
+ hidinput_send_event(hidinput, usage->type, usage->code, value);
return 1;
}
@@ -177,14 +190,16 @@ static int hidinput_pb_event(struct hid_
else
clear_bit(usage->code, hid->pb_pressed_fn);
- input_event(input, usage->type, trans->to, value);
+ hidinput_send_event(hidinput, usage->type, trans->to, value);
return 1;
}
}
+ if (hidinput_trylock_simple(hidinput))
+ return 0;
if (test_bit(usage->code, hid->pb_pressed_numlock) ||
- test_bit(LED_NUML, input->led)) {
+ test_bit(LED_NUML, hidinput->input->led)) {
trans = find_translation(powerbook_numlock_keys, usage->code);
if (trans) {
@@ -193,17 +208,18 @@ static int hidinput_pb_event(struct hid_
else
clear_bit(usage->code, hid->pb_pressed_numlock);
- input_event(input, usage->type, trans->to, value);
+ input_event(hidinput->input, usage->type, trans->to, value);
}
-
+ hidinput_unlock_simple(hidinput);
return 1;
}
+ hidinput_unlock_simple(hidinput);
}
if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
trans = find_translation(powerbook_iso_keyboard, usage->code);
if (trans) {
- input_event(input, usage->type, trans->to, value);
+ input_event(hidinput->input, usage->type, trans->to, value);
return 1;
}
}
@@ -229,7 +245,7 @@ static void hidinput_pb_setup(struct inp
}
#else
-static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
+static int hidinput_pb_event(struct hid_device *hid, struct hid_input *hidinput,
struct hid_usage *usage, __s32 value)
{
return 0;
@@ -240,16 +256,13 @@ static inline void hidinput_pb_setup(str
}
#endif
-static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
+static void hidinput_configure_usage(struct input_dev *input, struct hid_field *field,
struct hid_usage *usage)
{
- struct input_dev *input = hidinput->input;
struct hid_device *device = input->private;
int max = 0, code;
unsigned long *bit = NULL;
- field->hidinput = hidinput;
-
#ifdef CONFIG_HID_DEBUG
printk(KERN_DEBUG "Mapping: ");
hid_resolv_usage(usage->hid);
@@ -273,7 +286,6 @@ static void hidinput_configure_usage(str
map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
} else
map_key(KEY_UNKNOWN);
-
break;
case HID_UP_BUTTON:
@@ -721,6 +733,7 @@ ignore:
void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
{
+ struct hid_input *hidinput;
struct input_dev *input;
int *quirks = &hid->quirks;
@@ -732,6 +745,8 @@ void hidinput_hid_event(struct hid_devic
if (!usage->type)
return;
+ hidinput = field->hidinput;
+
if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
@@ -740,16 +755,16 @@ void hidinput_hid_event(struct hid_devic
}
if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
- input_event(input, usage->type, usage->code, -value);
+ hidinput_send_event(hidinput, usage->type, usage->code, -value);
return;
}
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
- input_event(input, usage->type, REL_HWHEEL, value);
+ hidinput_send_event(hidinput, usage->type, REL_HWHEEL, value);
return;
}
- if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
+ if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, hidinput, usage, value))
return;
if (usage->hat_min < usage->hat_max || usage->hat_dir) {
@@ -757,8 +772,8 @@ void hidinput_hid_event(struct hid_devic
if (!hat_dir)
hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
- input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
- input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
+ hidinput_send_event(hidinput, usage->type, usage->code, hid_hat_to_axis[hat_dir].x);
+ hidinput_send_event(hidinput, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
return;
}
@@ -769,18 +784,18 @@ void hidinput_hid_event(struct hid_devic
if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
if (value) {
- input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
+ hidinput_send_event(hidinput, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
return;
}
- input_event(input, usage->type, usage->code, 0);
- input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
+ hidinput_send_event(hidinput, usage->type, usage->code, 0);
+ hidinput_send_event(hidinput, usage->type, BTN_TOOL_RUBBER, 0);
return;
}
if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
int a = field->logical_minimum;
int b = field->logical_maximum;
- input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
+ hidinput_send_event(hidinput, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
}
if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
@@ -796,18 +811,22 @@ void hidinput_hid_event(struct hid_devic
if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
return;
- input_event(input, usage->type, usage->code, value);
+ hidinput_send_event(hidinput, usage->type, usage->code, value);
if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
- input_event(input, usage->type, usage->code, 0);
+ hidinput_send_event(hidinput, usage->type, usage->code, 0);
}
void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
{
struct hid_input *hidinput;
- list_for_each_entry(hidinput, &hid->inputs, list)
+ list_for_each_entry(hidinput, &hid->inputs, list) {
+ if (hidinput_trylock_simple(hidinput))
+ continue;
input_sync(hidinput->input);
+ hidinput_unlock_simple(hidinput);
+ }
}
EXPORT_SYMBOL_GPL(hidinput_report_event);
@@ -831,13 +850,46 @@ EXPORT_SYMBOL_GPL(hidinput_find_field);
static int hidinput_open(struct input_dev *dev)
{
struct hid_device *hid = dev->private;
- return hid->hid_open(hid);
+ int ret = 0;
+
+ if (hid && hid->simple && hid->simple->open)
+ ret = hid->simple->open(dev);
+ else
+ ret = hid->hid_open(hid);
+ return ret;
}
static void hidinput_close(struct input_dev *dev)
{
struct hid_device *hid = dev->private;
- hid->hid_close(hid);
+
+ if (hid && hid->simple && hid->simple->close)
+ hid->simple->close(dev);
+ else
+ hid->hid_close(hid);
+}
+
+static void hidinput_input_init(struct hid_device *hid,
+ struct input_dev *input_dev)
+{
+ if (!hid || !input_dev)
+ return;
+
+ input_dev->private = hid;
+ input_dev->event = hid->hidinput_input_event;
+ input_dev->open = hidinput_open;
+ input_dev->close = hidinput_close;
+
+ input_dev->name = hid->name;
+ input_dev->phys = hid->phys;
+ input_dev->uniq = hid->uniq;
+ input_dev->id.bustype = hid->bus;
+ input_dev->id.vendor = hid->vendor;
+ input_dev->id.product = hid->product;
+ input_dev->id.version = hid->version;
+ input_dev->cdev.dev = hid->dev;
+
+ return;
}
/*
@@ -884,27 +936,18 @@ int hidinput_connect(struct hid_device *
return -1;
}
- input_dev->private = hid;
- input_dev->event = hid->hidinput_input_event;
- input_dev->open = hidinput_open;
- input_dev->close = hidinput_close;
-
- input_dev->name = hid->name;
- input_dev->phys = hid->phys;
- input_dev->uniq = hid->uniq;
- input_dev->id.bustype = hid->bus;
- input_dev->id.vendor = hid->vendor;
- input_dev->id.product = hid->product;
- input_dev->id.version = hid->version;
- input_dev->cdev.dev = hid->dev;
+ hidinput_input_init(hid, input_dev);
+ hidinput->input_lock = 0;
hidinput->input = input_dev;
list_add_tail(&hidinput->list, &hid->inputs);
}
- for (i = 0; i < report->maxfield; i++)
+ for (i = 0; i < report->maxfield; i++) {
+ report->field[i]->hidinput = hidinput;
for (j = 0; j < report->field[i]->maxusage; j++)
- hidinput_configure_usage(hidinput, report->field[i],
+ hidinput_configure_usage(hidinput->input, report->field[i],
report->field[i]->usage + j);
+ }
if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
/* This will leave hidinput NULL, so that it
@@ -925,6 +968,78 @@ int hidinput_connect(struct hid_device *
}
EXPORT_SYMBOL_GPL(hidinput_connect);
+static void hidinput_setup_usage(struct hid_device *hid,
+ struct input_dev *input)
+{
+ struct hid_report *report;
+ int i, j, k;
+
+ for (i = 0; i < hid->maxcollection; i++)
+ if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
+ hid->collection[i].type == HID_COLLECTION_PHYSICAL)
+ if (IS_INPUT_APPLICATION(hid->collection[i].usage))
+ break;
+
+ if (i == hid->maxcollection)
+ return;
+
+ for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
+ list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
+ if (!report->maxfield)
+ continue;
+ for (i = 0; i < report->maxfield; i++)
+ for (j = 0; j < report->field[i]->maxusage; j++)
+ hidinput_configure_usage(input, report->field[i],
+ report->field[i]->usage + j);
+ }
+ return;
+}
+
+/*
+ * The caller must be call hidinput_reconnect() soon,
+ * this function hold hidinput->input_lock.
+ */
+int hidinput_disconnect_core(struct hid_device *hid)
+{
+ struct hid_input *hidinput, *next;
+ struct input_dev *input_dev = NULL;
+ struct list_head tmp_list;
+
+ INIT_LIST_HEAD(&tmp_list);
+ list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ break;
+ list_add_tail(&input_dev->node, &tmp_list);
+ }
+ while (!list_empty(&tmp_list)) {
+ list_del_init(tmp_list.next);
+ }
+ if (!input_dev)
+ return -ENOMEM;
+ list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
+ hidinput_input_init(hid, input_dev);
+ hidinput_lock_simple(hidinput);
+ input_unregister_device(hidinput->input);
+ hidinput->input = input_dev;
+ if (!(hid->quirks&HID_QUIRK_MULTI_INPUT))
+ hid_ff_init(hid);
+ }
+ return 0;
+}
+
+void hidinput_reconnect_core(struct hid_device *hid)
+{
+ struct hid_input *hidinput, *next;
+
+ list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
+ hidinput_setup_usage(hid, hidinput->input);
+ hidinput_simple_driver_setup_usage(hid->simple, hid);
+ input_register_device(hidinput->input);
+ hidinput_unlock_simple(hidinput);
+ }
+}
+
void hidinput_disconnect(struct hid_device *hid)
{
struct hid_input *hidinput, *next;
diff -Naurp linux-2.6.21.1.orig/drivers/hid/hid-simple.c linux-2.6.21.1.new/drivers/hid/hid-simple.c
--- linux-2.6.21.1.orig/drivers/hid/hid-simple.c 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.21.1.new/drivers/hid/hid-simple.c 2007-04-30 10:59:47.000000000 +0800
@@ -0,0 +1,334 @@
+/*
+ * HID Simple Driver Interface v0.5.0
+ *
+ * Copyright (c) 2006 Li Yu <raise.sail@...il.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 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 either by
+ * e-mail - mail your message to <vojtech@....cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/input.h>
+
+#include <linux/hid.h>
+#include <linux/hid-simple.h>
+
+/*
+ * raw_simple_driver record one device which hid simple device handle.
+ * It used as one member of hid_simple_driver.
+ */
+
+struct raw_simple_device {
+ struct hid_device *hid;
+ struct list_head node;
+};
+
+typedef void (*do_usage_t)(struct hid_field *, struct hid_usage *);
+
+int hidinput_simple_driver_init(struct hidinput_simple_driver *simple)
+{
+ if (unlikely(!simple))
+ return -EINVAL;
+ INIT_LIST_HEAD(&simple->node);
+ INIT_LIST_HEAD(&simple->raw_devices);
+ simple->flags = 0;
+ return 0;
+}
+
+static void inline hidinput_simple_configure_one_usage(int op,
+ struct input_dev *input,
+ struct hid_usage *usage,
+ struct usage_block *usage_block)
+{
+ unsigned long *bits;
+ int flag;
+ struct hid_device *hid;
+
+ hid = input->private;
+ switch (usage_block->event) {
+ case EV_KEY:
+ flag = HIDINPUT_SIMPLE_KEYBIT;
+ bits = input->keybit;
+ break;
+ case EV_REL:
+ flag = HIDINPUT_SIMPLE_RELBIT;
+ bits = input->relbit;
+ break;
+ case EV_ABS:
+ flag = HIDINPUT_SIMPLE_ABSBIT;
+ bits = input->relbit;
+ break;
+ case EV_MSC:
+ flag = HIDINPUT_SIMPLE_MSCBIT;
+ bits = input->absbit;
+ break;
+ case EV_SW:
+ flag = HIDINPUT_SIMPLE_SWBIT;
+ bits = input->swbit;
+ break;
+ case EV_LED:
+ flag = HIDINPUT_SIMPLE_LEDBIT;
+ bits = input->ledbit;
+ break;
+ case EV_SND:
+ flag = HIDINPUT_SIMPLE_SNDBIT;
+ bits = input->sndbit;
+ break;
+ case EV_FF:
+ flag = HIDINPUT_SIMPLE_FFBIT;
+ bits = input->ffbit;
+ break;
+ case EV_FF_STATUS:
+ flag = HIDINPUT_SIMPLE_FFSTSBIT;
+ bits = NULL;
+ break;
+ default:
+ return;
+ }
+
+ if (__OP_SET_BIT == op) {
+ usage->code = usage_block->code;
+ usage->type = usage_block->event;
+ if (bits)
+ set_bit(usage_block->code, bits);
+ /* if this event bit is set by us first, remember it */
+ if (!test_and_set_bit(usage_block->event, input->evbit))
+ set_bit(flag, &hid->simple->flags);
+ }
+ else if (__OP_CLR_BIT == op) {
+ usage->code = 0;
+ usage->type = 0;
+ if (bits)
+ clear_bit(usage_block->code, bits);
+ /* clear event bit, only if it's set by us. */
+ if (test_and_clear_bit(flag, &hid->simple->flags))
+ clear_bit(usage_block->event, input->evbit);
+ }
+}
+
+static do_usage_t hidinput_simple_driver_configure_usage_prep(
+ struct hidinput_simple_driver *simple,
+ int *op)
+{
+ do_usage_t do_usage;
+
+ if (test_bit(HIDINPUT_SIMPLE_SETUP_USAGE, &simple->flags)) {
+ do_usage = simple->setup_usage;
+ *op = __OP_SET_BIT;
+ }
+ else {
+ do_usage = simple->clear_usage;
+ *op = __OP_CLR_BIT;
+ }
+ return do_usage;
+}
+
+static void __hidinput_simple_driver_configure_usage(
+ struct hidinput_simple_driver *simple,
+ int op,
+ struct hid_field *field,
+ struct hid_usage *hid_usage)
+{
+ struct input_dev *input = field->hidinput->input;
+ struct usage_block *usage_block;
+ struct usage_page_block *page_block;
+ int page;
+ int usage;
+
+ page = (hid_usage->hid & HID_USAGE_PAGE);
+ usage = (hid_usage->hid & HID_USAGE);
+ page_block = simple->usage_page_table;
+ for (;page_block && page_block->usage_blockes;page_block++) {
+ if (page_block->page != page)
+ continue;
+ usage_block = page_block->usage_blockes;
+ for (; usage_block && usage_block->usage; usage_block++) {
+ if (usage_block->usage != usage)
+ continue;
+ hidinput_simple_configure_one_usage(op, input,
+ hid_usage, usage_block);
+ }
+ }
+}
+
+/*
+ * To give one simple device a configure usage chance.
+ * The framework of this function come from hidinput_connect()
+ */
+void hidinput_simple_driver_configure_usage(struct hidinput_simple_driver *simple, struct hid_device *hid)
+{
+ struct hid_report *report;
+ int i, j, k;
+ do_usage_t do_usage;
+ int op;
+
+ if (!simple)
+ return;
+ do_usage = hidinput_simple_driver_configure_usage_prep(simple, &op);
+
+ for (i = 0; i < hid->maxcollection; i++)
+ if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
+ hid->collection[i].type==HID_COLLECTION_PHYSICAL)
+ if (IS_INPUT_APPLICATION(hid->collection[i].usage))
+ break;
+
+ if (i == hid->maxcollection)
+ return;
+
+ for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
+ list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
+ if (!report->maxfield)
+ continue;
+
+ for (i = 0; i < report->maxfield; i++)
+ for (j = 0; j < report->field[i]->maxusage; j++) {
+ __hidinput_simple_driver_configure_usage(simple, op, report->field[i], report->field[i]->usage + j);
+ if (do_usage)
+ do_usage(report->field[i],
+ report->field[i]->usage + j);
+ }
+ }
+
+ return;
+}
+
+static int hidinput_simple_driver_push(struct hidinput_simple_driver *simple,
+ struct matched_device *matched)
+{
+ struct raw_simple_device *raw_simple;
+
+ raw_simple = kmalloc(sizeof(struct raw_simple_device), GFP_KERNEL);
+ if (!raw_simple)
+ return -ENOMEM;
+ matched->hid->simple = simple;
+ raw_simple->hid = matched->hid;
+ list_add(&raw_simple->node, &simple->raw_devices);
+ return 0;
+}
+
+static void hidinput_simple_driver_pop(struct hid_device *hid, struct matched_device *matched)
+{
+ struct list_head *node;
+ struct raw_simple_device *raw_simple=NULL;
+
+ list_for_each (node, &hid->simple->raw_devices) {
+ raw_simple = list_entry(node, struct raw_simple_device, node);
+ if (raw_simple && raw_simple->hid == hid) {
+ hid->simple = NULL;
+ list_del(&raw_simple->node);
+ raw_simple->hid = NULL;
+ kfree(raw_simple);
+ return;
+ }
+ }
+}
+
+void hidinput_simple_driver_clear(struct hidinput_simple_driver *simple)
+{
+ struct raw_simple_device *raw_simple;
+ struct hid_device *hid;
+
+ while (!list_empty_careful(&simple->raw_devices)) {
+ raw_simple = list_entry(simple->raw_devices.next,
+ struct raw_simple_device, node);
+ hid = raw_simple->hid;
+ if (hid) {
+ if (hid->simple)
+ BUG_ON(hid->simple != simple);
+ hidinput_simple_driver_disconnect(hid, NULL);
+ hidinput_disconnect_core(hid);
+ hidinput_reconnect_core(hid);
+ hid->simple = NULL;
+ }
+ list_del_init(simple->raw_devices.next);
+ raw_simple->hid = NULL;
+ kfree(raw_simple);
+ }
+}
+
+int hidinput_simple_driver_connect(struct hidinput_simple_driver *simple,
+ struct matched_device *matched)
+{
+ struct hid_input *hidinput, *next;
+ int ret = -ENODEV;
+
+ if (!simple || !matched || !matched->hid)
+ return -EINVAL;
+
+ if (!simple->connect) {
+ ret = 0;
+ goto exit;
+ }
+ list_for_each_entry_safe(hidinput, next, &matched->hid->inputs, list) {
+ if (!simple->connect(matched->hid, hidinput))
+ ret = 0;
+ }
+exit:
+ matched->hid->simple = simple;
+ hidinput_simple_driver_setup_usage(simple, matched->hid);
+ /* One simple driver may handle more devices */
+ if (hidinput_simple_driver_push(simple, matched)) {
+ hidinput_simple_driver_disconnect(matched->hid, NULL);
+ return -ENODEV;
+ }
+ return ret;
+}
+EXPORT_SYMBOL(hidinput_simple_driver_connect);
+
+void hidinput_simple_driver_disconnect(struct hid_device *hid,
+ struct matched_device *matched)
+{
+ struct hid_input *hidinput, *next;
+
+ if (!hid || !hid->simple)
+ return;
+ if (!hid->simple->disconnect)
+ goto exit;
+
+ hidinput_simple_driver_clear_usage(hid->simple, hid);
+ wmb();
+ list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
+ hid->simple->disconnect(hid, hidinput);
+ }
+exit:
+ if (matched)
+ hidinput_simple_driver_pop(hid, matched);
+ return;
+}
+EXPORT_SYMBOL(hidinput_simple_driver_disconnect);
+
+struct hid_input* hidinput_simple_inputdev_to_hidinput(struct input_dev *dev)
+{
+ struct hid_device *hid = dev->private;
+ struct list_head *iter;
+ struct hid_input *hidinput;
+
+ if (!hid)
+ return NULL;
+ list_for_each(iter, &hid->inputs) {
+ hidinput = list_entry(iter, struct hid_input, list);
+ if (hidinput->input == dev)
+ return hidinput;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(hidinput_simple_inputdev_to_hidinput);
diff -Naurp linux-2.6.21.1.orig/drivers/hid/Kconfig linux-2.6.21.1.new/drivers/hid/Kconfig
--- linux-2.6.21.1.orig/drivers/hid/Kconfig 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/hid/Kconfig 2007-04-30 10:59:47.000000000 +0800
@@ -36,5 +36,13 @@ config HID_DEBUG
If unsure, say N
+config HID_SIMPLE
+ bool "HID simple driver interface"
+ depends on HID
+ help
+ This simple interface let the writing HID driver more easier. Moreover,
+ this allow you write force-feedback driver without touch HID input
+ implementation code. Also, it can be used as input filter.
+
endmenu
diff -Naurp linux-2.6.21.1.orig/drivers/hid/Makefile linux-2.6.21.1.new/drivers/hid/Makefile
--- linux-2.6.21.1.orig/drivers/hid/Makefile 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/hid/Makefile 2007-04-30 10:59:47.000000000 +0800
@@ -3,6 +3,10 @@
#
hid-objs := hid-core.o hid-input.o
+ifeq ($(CONFIG_HID_SIMPLE),y)
+hid-objs += hid-simple.o
+endif
+
obj-$(CONFIG_HID) += hid.o
hid-$(CONFIG_HID_DEBUG) += hid-debug.o
diff -Naurp linux-2.6.21.1.orig/drivers/usb/input/hid-core.c linux-2.6.21.1.new/drivers/usb/input/hid-core.c
--- linux-2.6.21.1.orig/drivers/usb/input/hid-core.c 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/usb/input/hid-core.c 2007-04-30 10:59:47.000000000 +0800
@@ -30,6 +30,7 @@
#include <linux/usb.h>
#include <linux/hid.h>
+#include <linux/hid-simple.h>
#include <linux/hiddev.h>
#include <linux/hid-debug.h>
#include "usbhid.h"
@@ -1306,8 +1307,30 @@ static void hid_disconnect(struct usb_in
del_timer_sync(&usbhid->io_retry);
flush_scheduled_work();
- if (hid->claimed & HID_CLAIMED_INPUT)
+ if (hid->claimed & HID_CLAIMED_INPUT) {
+ struct list_head *node;
+ struct matched_device *matched = NULL;
+ struct hidinput_simple_driver *simple = hid->simple;
+
+ mutex_lock(&matched_devices_lock);
+ list_for_each(node, &matched_devices_list) {
+ matched = list_entry(node, struct matched_device, node);
+ if (matched->private == intf) {
+ list_del(&matched->node);
+ break;
+ }
+ matched = NULL;
+ }
+ mutex_unlock(&matched_devices_lock);
+ /* disconnect simple device driver if need */
+ if (matched && simple) {
+ hidinput_simple_driver_disconnect(hid, matched);
+ module_put(simple->owner);
+ }
+ if (matched)
+ kfree(matched);
hidinput_disconnect(hid);
+ }
if (hid->claimed & HID_CLAIMED_HIDDEV)
hiddev_disconnect(hid);
@@ -1335,15 +1358,30 @@ static int hid_probe(struct usb_interfac
usbhid_init_reports(hid);
hid_dump_device(hid);
- if (!hidinput_connect(hid))
+ usb_set_intfdata(intf, hid);
+
+ if (!hidinput_connect(hid)) {
+ struct matched_device *matched;
+ matched = hidinput_simple_matched_device_new();
+ if (matched) {
+ matched->type = HID_SIMPLE_USB;
+ matched->id = (void*)id;
+ matched->private = intf;
+ matched->hid = hid;
+ mutex_lock(&matched_devices_lock);
+ list_add(&matched->node, &matched_devices_list);
+ mutex_unlock(&matched_devices_lock);
+ hidinput_simple_driver_bind_foreach_simple(hid, matched);
+ }
hid->claimed |= HID_CLAIMED_INPUT;
+ }
if (!hiddev_connect(hid))
hid->claimed |= HID_CLAIMED_HIDDEV;
usb_set_intfdata(intf, hid);
if (!hid->claimed) {
- printk ("HID device not claimed by input or hiddev\n");
+ printk (KERN_INFO"HID device not claimed by input or hiddev\n");
hid_disconnect(intf);
return -ENODEV;
}
@@ -1424,8 +1462,37 @@ static void hid_post_reset(struct usb_in
/* FIXME: Any more reinitialization needed? */
hid_resume(intf);
+
}
+#ifdef CONFIG_HID_SIMPLE
+/* return non-zero mean these two paramenters can be buddy :) */
+static int hidinput_match_simple(
+ struct hidinput_simple_driver *drv,
+ struct matched_device *dev)
+{
+ if (!dev || !drv || HID_SIMPLE_USB != dev->type || !dev->private) {
+ return 0;
+ }
+ return (int)usb_match_id(dev->private, drv->id_table);
+}
+
+int hidinput_register_simple_usb_driver(struct hidinput_simple_driver *simple)
+{
+ if (!simple)
+ return -ENODEV;
+ simple->match_device = hidinput_match_simple;
+ return hidinput_register_simple_driver(simple);
+}
+EXPORT_SYMBOL_GPL(hidinput_register_simple_usb_driver);
+
+void hidinput_unregister_simple_usb_driver(struct hidinput_simple_driver *simple)
+{
+ hidinput_unregister_simple_driver(simple);
+}
+EXPORT_SYMBOL_GPL(hidinput_unregister_simple_usb_driver);
+#endif
+
static struct usb_device_id hid_usb_ids [] = {
{ .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
.bInterfaceClass = USB_INTERFACE_CLASS_HID },
@@ -1465,7 +1532,17 @@ hiddev_init_fail:
static void __exit hid_exit(void)
{
+ struct list_head *node, *tmp;
+ struct matched_device *matched;
+
usb_deregister(&hid_driver);
+ list_for_each_safe(node, tmp, &matched_devices_list) {
+ matched = list_entry(node, struct matched_device, node);
+ if (HID_SIMPLE_USB == matched->type) {
+ list_del(&matched->node);
+ kfree(matched);
+ }
+ }
hiddev_exit();
}
diff -Naurp linux-2.6.21.1.orig/drivers/usb/input/Kconfig linux-2.6.21.1.new/drivers/usb/input/Kconfig
--- linux-2.6.21.1.orig/drivers/usb/input/Kconfig 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/usb/input/Kconfig 2007-04-30 10:59:47.000000000 +0800
@@ -357,6 +357,15 @@ config USB_APPLETOUCH
To compile this driver as a module, choose M here: the
module will be called appletouch.
+config HID_SIMPLE_MSNEK4K
+ tristate "Microsoft Natural Ergonomic Keyboard 4000 Driver"
+ depends on HID_SIMPLE
+ ---help---
+ Microsoft Natural Ergonomic Keyboard 4000 extended keys support. These
+ may not work without change user space configration, e.g, XKB conf-
+ iguration in X.
+
+
config USB_GTCO
tristate "GTCO CalComp/InterWrite USB Support"
depends on USB && INPUT
diff -Naurp linux-2.6.21.1.orig/drivers/usb/input/Makefile linux-2.6.21.1.new/drivers/usb/input/Makefile
--- linux-2.6.21.1.orig/drivers/usb/input/Makefile 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/drivers/usb/input/Makefile 2007-04-30 10:59:47.000000000 +0800
@@ -48,6 +48,7 @@ obj-$(CONFIG_USB_ACECAD) += acecad.o
obj-$(CONFIG_USB_YEALINK) += yealink.o
obj-$(CONFIG_USB_XPAD) += xpad.o
obj-$(CONFIG_USB_APPLETOUCH) += appletouch.o
+obj-$(CONFIG_HID_SIMPLE_MSNEK4K) += usbnek4k.o
obj-$(CONFIG_USB_GTCO) += gtco.o
ifeq ($(CONFIG_USB_DEBUG),y)
diff -Naurp linux-2.6.21.1.orig/drivers/usb/input/usbnek4k.c linux-2.6.21.1.new/drivers/usb/input/usbnek4k.c
--- linux-2.6.21.1.orig/drivers/usb/input/usbnek4k.c 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.21.1.new/drivers/usb/input/usbnek4k.c 2007-04-30 13:28:51.000000000 +0800
@@ -0,0 +1,356 @@
+/*
+ * Microsoft Natural Ergonomic Keyboard 4000 Driver
+ *
+ * Version: 0.5.1
+ *
+ * Copyright (c) 2006 Li Yu <raise.sail@...il.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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/hid-simple.h>
+#include <linux/usb.h>
+
+static int ascii_keycode = 1;
+module_param(ascii_keycode, bool, 0444);
+MODULE_PARM_DESC(ascii_keycode, "Only yield ASCII keycodes when turn on this, default=y");
+
+static int zoom_scroll = 1;
+module_param(zoom_scroll, bool, 0444);
+MODULE_PARM_DESC(zoom_scroll, "Use zoomin/zoomout handler as mouse scroll wheel when turn on this, default=y");
+
+#define INIT_SPEEDUP 6
+#define MAX_SPEEDUP 60
+
+struct hidinput_private {
+ struct timer_list zoom_scroll_repeater; /* for zoom_scroll support */
+ int zoom_scroll_value; /* for zoom_scroll support */
+ int zoom_scroll_speedup;
+ int code;
+};
+
+#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("0.5.0");
+
+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);
+ }
+ if (zoom_scroll) {
+ if ((usage->hid & HID_USAGE) == USAGE_ZOOM_OUT) {
+ set_bit(EV_REL, input->evbit);
+ set_bit(REL_WHEEL, input->relbit);
+ } else if ((usage->hid & HID_USAGE) == USAGE_ZOOM_IN) {
+ set_bit(EV_REL, input->evbit);
+ set_bit(REL_WHEEL, input->relbit);
+ }
+ }
+ } 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);
+ }
+ if (zoom_scroll) {
+ if ((usage->hid & HID_USAGE) == USAGE_ZOOM_OUT) {
+ clear_bit(EV_REL, input->evbit);
+ clear_bit(REL_WHEEL, input->relbit);
+ } else if ((usage->hid & HID_USAGE) == USAGE_ZOOM_IN) {
+ clear_bit(EV_REL, input->evbit);
+ clear_bit(REL_WHEEL, input->relbit);
+ }
+ }
+ } 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)
+{
+ struct hid_input *hidinput = field->hidinput;
+ struct input_dev *input = hidinput->input;
+ struct hidinput_private *hp = hidinput->private;
+ int code = 0;
+
+ if (zoom_scroll && ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER)) {
+ int v = 0;
+ if ((usage->hid & HID_USAGE) == USAGE_ZOOM_OUT && value)
+ v = -1;
+ else if ((usage->hid & HID_USAGE) == USAGE_ZOOM_IN && value)
+ v = +1;
+ hp->zoom_scroll_value = v;
+ if (v) {
+ input_report_rel(input, REL_WHEEL, v);
+ input_sync(input);
+ hp->zoom_scroll_repeater.data = (unsigned long)hidinput;
+ hp->zoom_scroll_speedup = INIT_SPEEDUP;
+ mod_timer(&hp->zoom_scroll_repeater, jiffies + HZ/hp->zoom_scroll_speedup);
+ return 0;
+ } else
+ hp->zoom_scroll_repeater.data = 0;
+ return (!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 = hp->code;
+ 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) {
+ hp->code = code;
+ input_report_key(input, code, value);
+ input_sync(input);
+ }
+ return 0;
+}
+
+static void zoom_scroll_timer_hook(unsigned long data)
+{
+ struct hid_input *hidinput = (struct hid_input*)data;
+ struct hidinput_private *hp;
+
+ if (!hidinput)
+ return;
+ hp = hidinput->private;
+ if (!hp || !hp->zoom_scroll_value)
+ return;
+
+ input_report_rel(hidinput->input, REL_WHEEL, hp->zoom_scroll_value);
+ input_sync(hidinput->input);
+ hp->zoom_scroll_speedup *= 2;
+ if (hp->zoom_scroll_speedup > MAX_SPEEDUP)
+ hp->zoom_scroll_speedup = MAX_SPEEDUP;
+ mod_timer(&hp->zoom_scroll_repeater, jiffies + HZ/hp->zoom_scroll_speedup);
+}
+
+static int nek4k_connect(struct hid_device *hid, struct hid_input *hidinput)
+{
+ struct hidinput_private *hp;
+
+ hidinput->private = hp = kmalloc(sizeof(struct hidinput_private), GFP_KERNEL);
+ if (!hp)
+ return -ENOMEM;
+ if (zoom_scroll) {
+ memset(&hp->zoom_scroll_repeater, 0, sizeof(struct timer_list));
+ init_timer(&hp->zoom_scroll_repeater);
+ hp->zoom_scroll_repeater.function = zoom_scroll_timer_hook;
+ hp->zoom_scroll_speedup = INIT_SPEEDUP;
+ add_timer(&hp->zoom_scroll_repeater);
+
+ }
+ return 0;
+}
+
+static void nek4k_disconnect(struct hid_device *hid, struct hid_input *hidinput)
+{
+ struct hidinput_private *hp;
+
+ hp = hidinput->private;
+ if (hp) {
+ del_timer_sync(&hp->zoom_scroll_repeater);
+ kfree(hp);
+ }
+ hidinput->private = NULL;
+}
+
+static struct hidinput_simple_driver nek4k_driver = {
+ .owner = THIS_MODULE,
+ .name = "usbnek4k",
+ .connect = nek4k_connect,
+ .disconnect = nek4k_disconnect,
+ .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_usb_driver(&nek4k_driver);
+}
+
+static void __exit nek4k_exit(void)
+{
+ hidinput_unregister_simple_usb_driver(&nek4k_driver);
+}
+
+module_init(nek4k_init);
+module_exit(nek4k_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("See http://gentoo-wiki.com/HOWTO_Microsoft_Natural_Ergonomic_Keyboard_4000 for detailed usage.");
diff -Naurp linux-2.6.21.1.orig/include/linux/hid.h linux-2.6.21.1.new/include/linux/hid.h
--- linux-2.6.21.1.orig/include/linux/hid.h 2007-04-28 05:49:26.000000000 +0800
+++ linux-2.6.21.1.new/include/linux/hid.h 2007-04-30 10:59:47.000000000 +0800
@@ -35,6 +35,7 @@
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/input.h>
+#include <linux/mutex.h>
/*
* USB HID (Human Interface Device) interface class code
@@ -399,8 +400,15 @@ struct hid_input {
struct list_head list;
struct hid_report *report;
struct input_dev *input;
+ unsigned long input_lock; /* To protect accessing input_dev from
+ * hid-input processing. But it not
+ * necessary for accessing this input_dev
+ * instance from input subsystem. */
+ void *private;
};
+struct hidinput_simple_driver;
+
struct hid_device { /* device report descriptor */
__u8 *rdesc;
unsigned rsize;
@@ -431,6 +439,8 @@ struct hid_device { /* device repo
char phys[64]; /* Device physical location */
char uniq[64]; /* Device unique identifier (serial #) */
+ struct hidinput_simple_driver *simple;
+
void *driver_data;
/* device-specific function pointers */
@@ -485,6 +495,8 @@ extern void hidinput_hid_event(struct hi
extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
extern int hidinput_connect(struct hid_device *);
extern void hidinput_disconnect(struct hid_device *);
+extern void hidinput_reconnect_core(struct hid_device *);
+extern int hidinput_disconnect_core(struct hid_device *);
int hid_set_field(struct hid_field *, unsigned, __s32);
int hid_input_report(struct hid_device *, int type, u8 *, int, int);
diff -Naurp linux-2.6.21.1.orig/include/linux/hid-simple.h linux-2.6.21.1.new/include/linux/hid-simple.h
--- linux-2.6.21.1.orig/include/linux/hid-simple.h 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.21.1.new/include/linux/hid-simple.h 2007-04-30 10:59:47.000000000 +0800
@@ -0,0 +1,260 @@
+/*
+ * NOTE:
+ * For use me , you must include hid.h in your source first.
+ */
+#ifndef __HID_SIMPLE_H
+#define __HID_SIMPLE_H
+
+#ifdef __KERNEL__
+
+#include <asm/bitops.h>
+/***** The public interface for simple device driver *****/
+struct usage_block {
+ int usage; /* usage code */
+ int value; /* not used, for F_EVENT_BY_VALUE in future */
+ int event; /* input event type, e.g. EV_KEY. */
+ int code; /* input subsystem code, e.g. KEY_F1. */
+ int flags; /* not used */
+};
+
+struct usage_page_block {
+ int page; /* usage page code */
+ int flags; /* not used */
+ struct usage_block *usage_blockes;
+};
+
+extern struct mutex matched_devices_lock;
+extern struct mutex simple_drivers_lock;
+extern struct list_head simple_drivers_list;
+extern struct list_head matched_devices_list;
+
+/* usage_block flags list */
+#define F_EVENT_BY_VALUE (0x1) /* submit input event by usage_block.value,
+ not implement yet */
+
+#define USAGE_BLOCK(i_usage, i_value, i_event, i_code, i_flags) \
+ {\
+ .usage = (i_usage),\
+ .value = (i_value),\
+ .event = (i_event),\
+ .code = (i_code),\
+ .flags = (i_flags),\
+ }
+
+#define USAGE_BLOCK_NULL {}
+
+#define USAGE_PAGE_BLOCK(i_page, i_usage_blockes) \
+ {\
+ .page = (i_page),\
+ .usage_blockes = (i_usage_blockes),\
+ }
+
+#define USAGE_PAGE_BLOCK_NULL {}
+
+#define __SIMPLE_DRIVER_INIT \
+ .owner = THIS_MODULE,
+
+struct matched_device;
+
+struct hidinput_simple_driver {
+/* private */
+ struct list_head node; /* link with simple_drivers_list */
+ struct list_head raw_devices;
+ unsigned long flags;
+/* public for hid sub-layer, for example, USB. */
+ int (*match_device)(struct hidinput_simple_driver *drv,
+ struct matched_device *dev);
+/* public for drivers. */
+ struct module *owner;
+ char *name;
+ int (*connect)(struct hid_device *, struct hid_input *);
+ void (*disconnect)(struct hid_device *, struct hid_input *);
+ void (*setup_usage)(struct hid_field *, struct hid_usage *);
+ void (*clear_usage)(struct hid_field *, struct hid_usage *);
+ int (*pre_event)(const struct hid_device *, const struct hid_field *,
+ const struct hid_usage *, const __s32);
+ int (*post_event)(const struct hid_device *, const struct hid_field *,
+ const struct hid_usage *, const __s32);
+ int (*open)(struct input_dev *);
+ void (*close)(struct input_dev *);
+ void *id_table;
+ struct usage_page_block *usage_page_table;
+ void *private;
+};
+
+int hidinput_register_simple_driver(struct hidinput_simple_driver *device);
+void hidinput_unregister_simple_driver(struct hidinput_simple_driver *device);
+struct hid_input* hidinput_simple_inputdev_to_hidinput(struct input_dev *dev);
+
+/********************* The public section end ***********/
+
+/***** The private section for simple device driver implement only *****/
+
+/* simple driver internal flags */
+#define HIDINPUT_SIMPLE_SETUP_USAGE (0x0)
+#define HIDINPUT_SIMPLE_KEYBIT (0x1)
+#define HIDINPUT_SIMPLE_RELBIT (0x2)
+#define HIDINPUT_SIMPLE_ABSBIT (0x3)
+#define HIDINPUT_SIMPLE_MSCBIT (0x4)
+#define HIDINPUT_SIMPLE_SWBIT (0x5)
+#define HIDINPUT_SIMPLE_LEDBIT (0x6)
+#define HIDINPUT_SIMPLE_SNDBIT (0x7)
+#define HIDINPUT_SIMPLE_FFBIT (0x8)
+#define HIDINPUT_SIMPLE_FFSTSBIT (0x9)
+
+/* used in hidinput_simple_driver_configure_usage() */
+#define __OP_SET_BIT (1)
+#define __OP_CLR_BIT (0)
+
+enum hid_simple_type {
+ HID_SIMPLE_NONE,
+ HID_SIMPLE_USB,
+ HID_SIMPLE_BLUETOOTH,
+};
+
+struct hid_device;
+/*
+ * matched_device record one device which hid-subsystem will scan, it may
+ * be one simple device can not handle.
+ */
+struct matched_device {
+ enum hid_simple_type type;
+ void *id; /* device id, for example USB ID. */
+ struct hid_device *hid; /* if it's not zero, this device is matched with some simple driver. */
+ void *private; /* used in hid sub-layer */
+ struct list_head node;
+};
+
+#ifdef CONFIG_HID_SIMPLE
+extern void hidinput_simple_driver_configure_usage(struct hidinput_simple_driver *simple, struct hid_device *hid);
+extern int hidinput_simple_driver_init(struct hidinput_simple_driver *simple);
+extern void hidinput_simple_driver_clear(struct hidinput_simple_driver *simple);
+extern int hidinput_simple_driver_connect(struct hidinput_simple_driver *simple,
+ struct matched_device *dev);
+extern void hidinput_simple_driver_disconnect(struct hid_device *hid,
+ struct matched_device *dev);
+static inline void hidinput_lock_simple(struct hid_input *dev)
+{
+ while (!test_and_set_bit(0, &dev->input_lock))
+ schedule();
+}
+
+static inline int hidinput_trylock_simple(struct hid_input *dev)
+{
+ if (!test_and_set_bit(0, &dev->input_lock))
+ return 0;
+ return -EBUSY;
+}
+
+static inline void hidinput_unlock_simple(struct hid_input *dev)
+{
+ clear_bit(0, &dev->input_lock);
+}
+
+static inline int hidinput_simple_event_filter(struct hid_device *hid,
+ struct hid_field *field,
+ struct hid_usage *usage,
+ __s32 value)
+{
+ int ret;
+
+ if (!hid->simple || !hid->simple->pre_event)
+ return (!0);
+ if (hidinput_trylock_simple(field->hidinput))
+ return 0;
+ ret = hid->simple->pre_event(hid, field, usage, value);
+ hidinput_unlock_simple(field->hidinput);
+ return ret;
+}
+
+static inline void hidinput_simple_event_post(struct hid_device *hid,
+ struct hid_field *field,
+ struct hid_usage *usage,
+ __s32 value)
+{
+ if (!hid->simple || !hid->simple->post_event)
+ return;
+ if (hidinput_trylock_simple(field->hidinput))
+ return;
+ hid->simple->post_event(hid, field, usage, value);
+ hidinput_unlock_simple(field->hidinput);
+}
+
+static inline void hidinput_simple_driver_setup_usage(struct hidinput_simple_driver *simple, struct hid_device *hid)
+{
+ if (simple) {
+ set_bit(HIDINPUT_SIMPLE_SETUP_USAGE, &simple->flags);
+ hidinput_simple_driver_configure_usage(simple, hid);
+ }
+}
+
+static inline void hidinput_simple_driver_clear_usage(struct hidinput_simple_driver *simple, struct hid_device *hid)
+{
+ if (simple) {
+ clear_bit(HIDINPUT_SIMPLE_SETUP_USAGE, &simple->flags);
+ hidinput_simple_driver_configure_usage(simple, hid);
+ }
+}
+extern void hidinput_simple_driver_bind_foreach(void);
+extern void hidinput_simple_driver_bind_foreach_simple(
+ struct hid_device *hid,
+ struct matched_device *matched);
+extern void hidinput_simple_driver_bind_foreach_matched(
+ struct hidinput_simple_driver *simple);
+static inline struct matched_device* hidinput_simple_matched_device_new(void)
+{
+ struct matched_device *matched;
+
+ matched = kmalloc(sizeof(struct matched_device), GFP_KERNEL);
+ if (matched) {
+ matched->hid = NULL;
+ matched->type = HID_SIMPLE_NONE;
+ }
+ return matched;
+}
+extern int hidinput_register_simple_usb_driver(struct hidinput_simple_driver *simple);
+extern void hidinput_unregister_simple_usb_driver(struct hidinput_simple_driver *simple);
+#else /* CONFIG_HID_SIMPLE */
+static inline void hidinput_simple_driver_bind_foreach_simple(
+ struct hid_device *hid,
+ struct matched_device *matched) {}
+static inline void hidinput_simple_driver_configure_usage(struct hid_device *hid) {}
+static inline int hidinput_simple_driver_init
+ (struct hidinput_simple_driver *simple) {return 0;}
+static inline void hidinput_simple_driver_clear(
+ struct hidinput_simple_driver *simple) {}
+static inline int hidinput_simple_driver_connect(
+ struct hidinput_simple_driver *simple,
+ struct matched_device *dev)
+{
+ return 0;
+}
+static inline void hidinput_simple_driver_disconnect(struct hid_device *hid,
+ struct matched_device *dev) {}
+static inline void hidinput_lock_simple(struct hid_input *dev) {}
+static inline int hidinput_trylock_simple(struct hid_input *dev) {return 0;}
+static inline void hidinput_unlock_simple(struct hid_input *dev) {}
+static inline int hidinput_simple_event_filter(struct hid_device *hid,
+ struct hid_field *field,
+ struct hid_usage *usage,
+ __s32 value) { return 0; }
+static inline void hidinput_simple_event_post(struct hid_device *hid,
+ struct hid_field *field,
+ struct hid_usage *usage,
+ __s32 value) {}
+static inline void hidinput_simple_driver_setup_usage(
+ struct hidinput_simple_driver *simple,
+ struct hid_device *hid) {}
+static inline void hidinput_simple_driver_clear_usage(struct hid_device *hid) {}
+static inline void hidinput_simple_driver_ff_init(struct input_dev *input_dev) {}
+static inline void hidinput_simple_driver_bind_foreach(void) {}
+static inline void hidinput_simple_driver_bind_foreach_matched(
+ struct hidinput_simple_driver *simple) {}
+static inline struct matched_device* hidinput_simple_matched_device_new(void)
+{
+ return NULL;
+}
+#endif
+/***** The private section end. *****/
+#endif /* __KERNEL__ */
+#endif /* __HID_SIMPLE_H */
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