From patchwork Tue Jul 5 11:45:09 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Herrmann X-Patchwork-Id: 944502 X-Patchwork-Delegate: jikos@jikos.cz Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p65BjfU1002557 for ; Tue, 5 Jul 2011 11:45:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755809Ab1GELpi (ORCPT ); Tue, 5 Jul 2011 07:45:38 -0400 Received: from mail-fx0-f52.google.com ([209.85.161.52]:37593 "EHLO mail-fx0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755766Ab1GELpe (ORCPT ); Tue, 5 Jul 2011 07:45:34 -0400 Received: by fxd18 with SMTP id 18so6110868fxd.11 for ; Tue, 05 Jul 2011 04:45:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=dEDljYsbtl3aCW68bZUYjObPx5aDshjVw9btuwQAXtA=; b=s4DZoFFGEQH9Nh9R2dK+oafM8ZhqVverhE2vXD+nmTCSLZIsTMTE49RBMk4Fd6YM3T Mdp1z2jbJzxxQ98D7vaNgnaBYsjFyqx2fKnFjmRKpNFRfjWhtn582kmowCn0VxrqqvTU oEPaMNHMSATJ2OF7IVeuHVIWIqEsbz3Sb+/1A= Received: by 10.223.144.129 with SMTP id z1mr11553684fau.57.1309866333312; Tue, 05 Jul 2011 04:45:33 -0700 (PDT) Received: from localhost.localdomain (u-084-c056.eap.uni-tuebingen.de [134.2.84.56]) by mx.google.com with ESMTPS id r10sm5238461fah.2.2011.07.05.04.45.32 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 05 Jul 2011 04:45:32 -0700 (PDT) From: David Herrmann To: linux-input@vger.kernel.org Cc: jkosina@suse.cz, padovan@profusion.mobi, David Herrmann Subject: [PATCH 02/12] HID: wiimote: Register wiimote hid driver stub Date: Tue, 5 Jul 2011 13:45:09 +0200 Message-Id: <1309866319-12899-2-git-send-email-dh.herrmann@googlemail.com> X-Mailer: git-send-email 1.7.6 In-Reply-To: <1309866319-12899-1-git-send-email-dh.herrmann@googlemail.com> References: <1309866319-12899-1-git-send-email-dh.herrmann@googlemail.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Tue, 05 Jul 2011 11:45:42 +0000 (UTC) The wiimote uses a fake HID protocol. Hence, we need to prevent HIDINPUT and HIDDEV from parsing wiimote data and instead parse raw hid events. Add VID/PID to hid-core so the special driver is loaded on new wiimotes. Signed-off-by: David Herrmann --- drivers/hid/hid-core.c | 1 + drivers/hid/hid-ids.h | 3 ++ drivers/hid/hid-wiimote.c | 62 ++++++++++++++++++++++++++++++++++++++++++++- 3 files changed, 65 insertions(+), 1 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index c957c4b..4482556 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1502,6 +1502,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, { } }; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 0b374a6..480ce6e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -491,6 +491,9 @@ #define USB_VENDOR_ID_NEXTWINDOW 0x1926 #define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003 +#define USB_VENDOR_ID_NINTENDO 0x057e +#define USB_DEVICE_ID_NINTENDO_WIIMOTE 0x0306 + #define USB_VENDOR_ID_NTRIG 0x1b96 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1 0x0003 diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c index 8a770e6..ed4fe18 100644 --- a/drivers/hid/hid-wiimote.c +++ b/drivers/hid/hid-wiimote.c @@ -10,18 +10,78 @@ * any later version. */ +#include #include +#include "hid-ids.h" #define WIIMOTE_VERSION "0.1" #define WIIMOTE_NAME "Nintendo Wii Remote" -static int __init wiimote_init(void) +static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ + if (size < 1) + return -EINVAL; + + return 0; +} + +static int wiimote_hid_probe(struct hid_device *hdev, + const struct hid_device_id *id) { + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "HID parse failed\n"); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (ret) { + hid_err(hdev, "HW start failed\n"); + return ret; + } + + hid_info(hdev, "New device registered\n"); return 0; } +static void wiimote_hid_remove(struct hid_device *hdev) +{ + hid_info(hdev, "Device removed\n"); + hid_hw_stop(hdev); +} + +static const struct hid_device_id wiimote_hid_devices[] = { + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, + USB_DEVICE_ID_NINTENDO_WIIMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); + +static struct hid_driver wiimote_hid_driver = { + .name = "wiimote", + .id_table = wiimote_hid_devices, + .probe = wiimote_hid_probe, + .remove = wiimote_hid_remove, + .raw_event = wiimote_hid_event, +}; + +static int __init wiimote_init(void) +{ + int ret; + + ret = hid_register_driver(&wiimote_hid_driver); + if (ret) + pr_err("Can't register wiimote hid driver\n"); + + return ret; +} + static void __exit wiimote_exit(void) { + hid_unregister_driver(&wiimote_hid_driver); } module_init(wiimote_init);