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Subject[RFC v2 6/8] HID: move logitech report quirks
Date
Move them from core code to a separate driver.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/hid/Kconfig | 13 +++++++
drivers/hid/Makefile | 2 +
drivers/hid/hid-core.c | 5 +++
drivers/hid/hid-logitech.c | 74 +++++++++++++++++++++++++++++++++++++++
drivers/hid/usbhid/hid-quirks.c | 23 ------------
include/linux/hid.h | 1 -
6 files changed, 94 insertions(+), 24 deletions(-)
create mode 100644 drivers/hid/hid-logitech.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index cacf89e..066e8c0 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -67,4 +67,17 @@ config HIDRAW

source "drivers/hid/usbhid/Kconfig"

+menu "Special HID drivers"
+ depends on HID
+
+config HID_LOGITECH
+ tristate "Logitech"
+ default m
+ depends on USB_HID
+ ---help---
+ Support for some Logitech devices which breaks less or more
+ HID specification.
+
+endmenu
+
endif # HID_SUPPORT
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 275dc52..cae036b 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -8,6 +8,8 @@ obj-$(CONFIG_HID) += hid.o
hid-$(CONFIG_HID_DEBUG) += hid-debug.o
hid-$(CONFIG_HIDRAW) += hidraw.o

+obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
+
obj-$(CONFIG_USB_HID) += usbhid/
obj-$(CONFIG_USB_MOUSE) += usbhid/
obj-$(CONFIG_USB_KBD) += usbhid/
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 7d35e04..79a5e3b 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -33,6 +33,8 @@
#include <linux/hid-debug.h>
#include <linux/hidraw.h>

+#include "hid-ids.h"
+
/*
* Version Information
*/
@@ -1124,6 +1126,9 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev,
}

static const struct hid_device_id hid_usb_blacklist[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
{ }
};

diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c
new file mode 100644
index 0000000..5b145c9
--- /dev/null
+++ b/drivers/hid/hid-logitech.c
@@ -0,0 +1,74 @@
+/*
+ * HID driver for some logitech "special" devices
+ *
+ * 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) 2006-2007 Jiri Kosina
+ * Copyright (c) 2007 Paul Walmsley
+ * Copyright (c) 2008 Jiri Slaby
+ */
+
+/*
+ * 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/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define LOGITECH_RDESC 0x1
+
+/*
+ * Certain Logitech keyboards send in report #3 keys which are far
+ * above the logical maximum described in descriptor. This extends
+ * the original value of 0x28c of logical maximum to 0x104d
+ */
+static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int rsize)
+{
+ if (rsize >= 90 && rdesc[83] == 0x26
+ && rdesc[84] == 0x8c
+ && rdesc[85] == 0x02) {
+ dev_info(&hdev->dev, "fixing up Logitech keyboard report "
+ "descriptor\n");
+ rdesc[84] = rdesc[89] = 0x4d;
+ rdesc[85] = rdesc[90] = 0x10;
+ }
+}
+
+static const struct hid_device_id lg_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
+ .driver_data = LOGITECH_RDESC },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
+ .driver_data = LOGITECH_RDESC },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
+ .driver_data = LOGITECH_RDESC },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, lg_devices);
+
+static struct hid_driver lg_driver = {
+ .name = "logitech",
+ .id_table = lg_devices,
+ .report_fixup = lg_report_fixup,
+};
+
+static int lg_init(void)
+{
+ return hid_register_driver(&lg_driver);
+}
+
+static void lg_exit(void)
+{
+ hid_unregister_driver(&lg_driver);
+}
+
+module_init(lg_init);
+module_exit(lg_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 2ad150e..3659907 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -326,9 +326,6 @@ static const struct hid_rdesc_blacklist {

{ USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION },

- { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_RDESC_LOGITECH },
- { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_RDESC_LOGITECH },
- { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_RDESC_LOGITECH },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 },

{ USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER },
@@ -598,23 +595,6 @@ static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize)
}
}

-
-/*
- * Certain Logitech keyboards send in report #3 keys which are far
- * above the logical maximum described in descriptor. This extends
- * the original value of 0x28c of logical maximum to 0x104d
- */
-static void usbhid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize)
-{
- if (rsize >= 90 && rdesc[83] == 0x26
- && rdesc[84] == 0x8c
- && rdesc[85] == 0x02) {
- printk(KERN_INFO "Fixing up Logitech keyboard report descriptor\n");
- rdesc[84] = rdesc[89] = 0x4d;
- rdesc[85] = rdesc[90] = 0x10;
- }
-}
-
static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize)
{
if (rsize >= 107 && rdesc[104] == 0x26
@@ -740,9 +720,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned
if ((quirks & HID_QUIRK_RDESC_CYMOTION))
usbhid_fixup_cymotion_descriptor(rdesc, rsize);

- if (quirks & HID_QUIRK_RDESC_LOGITECH)
- usbhid_fixup_logitech_descriptor(rdesc, rsize);
-
if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX)
usbhid_fixup_cypress_descriptor(rdesc, rsize);

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 4c12dd1..992287a 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -292,7 +292,6 @@ struct hid_item {
*/

#define HID_QUIRK_RDESC_CYMOTION 0x00000001
-#define HID_QUIRK_RDESC_LOGITECH 0x00000002
#define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004
#define HID_QUIRK_RDESC_PETALYNX 0x00000008
#define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010
--
1.5.4.5


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