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authorHenrik Rydberg2012-04-23 12:07:07 +0200
committerJiri Kosina2012-05-01 12:54:55 +0200
commit8215d557e5f3a70e50e07c857d35c250fee62a73 (patch)
tree1ba7ffa5bddacacc9bff64a049e0ca091d43b65d /drivers/hid
parent4fa3a5837b8427faab9b064b1948795eb77b9f8d (diff)
HID: Create a common generic driver
Move the hid drivers of the bus drivers to a common generic hid driver, and make it a proper module. This ought to simplify device handling moving forward. Cc: Gustavo Padovan <gustavo@padovan.org> Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/Kconfig12
-rw-r--r--drivers/hid/Makefile2
-rw-r--r--drivers/hid/hid-generic.c53
-rw-r--r--drivers/hid/usbhid/hid-core.c16
4 files changed, 67 insertions, 16 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index ffddcba32af6..9a581e1a1903 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -60,6 +60,18 @@ source "drivers/hid/usbhid/Kconfig"
menu "Special HID drivers"
depends on HID
+config HID_GENERIC
+ tristate "Generic HID driver"
+ depends on HID
+ default y
+ ---help---
+ Support for generic HID devices.
+
+ To compile this driver as a module, choose M here: the module
+ will be called hid-generic.
+
+ If unsure, say Y.
+
config HID_A4TECH
tristate "A4 tech mice" if EXPERT
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 22f1d16cd79c..a04cffa4784f 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -9,6 +9,8 @@ endif
obj-$(CONFIG_HID) += hid.o
+obj-$(CONFIG_HID_GENERIC) += hid-generic.o
+
hid-$(CONFIG_HIDRAW) += hidraw.o
hid-logitech-y := hid-lg.o
diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c
new file mode 100644
index 000000000000..a8b3148e03a2
--- /dev/null
+++ b/drivers/hid/hid-generic.c
@@ -0,0 +1,53 @@
+/*
+ * HID support for Linux
+ *
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ * Copyright (c) 2007-2008 Oliver Neukum
+ * Copyright (c) 2006-2012 Jiri Kosina
+ * Copyright (c) 2012 Henrik Rydberg
+ */
+
+/*
+ * 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/module.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <asm/unaligned.h>
+#include <asm/byteorder.h>
+
+#include <linux/hid.h>
+
+static const struct hid_device_id hid_table[] = {
+ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, hid_table);
+
+static struct hid_driver hid_generic = {
+ .name = "hid-generic",
+ .id_table = hid_table,
+};
+
+static int __init hid_init(void)
+{
+ return hid_register_driver(&hid_generic);
+}
+
+static void __exit hid_exit(void)
+{
+ hid_unregister_driver(&hid_generic);
+}
+
+module_init(hid_init);
+module_exit(hid_exit);
+
+MODULE_AUTHOR("Henrik Rydberg");
+MODULE_DESCRIPTION("HID generic driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 9abf718318ca..9cba5006b5ed 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1504,28 +1504,15 @@ static struct usb_driver hid_driver = {
.supports_autosuspend = 1,
};
-static const struct hid_device_id hid_usb_table[] = {
- { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, HID_ANY_ID, HID_ANY_ID) },
- { }
-};
-
struct usb_interface *usbhid_find_interface(int minor)
{
return usb_find_interface(&hid_driver, minor);
}
-static struct hid_driver hid_usb_driver = {
- .name = "generic-usb",
- .id_table = hid_usb_table,
-};
-
static int __init hid_init(void)
{
int retval = -ENOMEM;
- retval = hid_register_driver(&hid_usb_driver);
- if (retval)
- goto hid_register_fail;
retval = usbhid_quirks_init(quirks_param);
if (retval)
goto usbhid_quirks_init_fail;
@@ -1538,8 +1525,6 @@ static int __init hid_init(void)
usb_register_fail:
usbhid_quirks_exit();
usbhid_quirks_init_fail:
- hid_unregister_driver(&hid_usb_driver);
-hid_register_fail:
return retval;
}
@@ -1547,7 +1532,6 @@ static void __exit hid_exit(void)
{
usb_deregister(&hid_driver);
usbhid_quirks_exit();
- hid_unregister_driver(&hid_usb_driver);
}
module_init(hid_init);