From patchwork Wed Apr 9 11:24:49 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Michal_Mal=C3=BD?= X-Patchwork-Id: 3954581 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 402449F371 for ; Wed, 9 Apr 2014 11:24:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 54078201FA for ; Wed, 9 Apr 2014 11:24:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FDB8200E6 for ; Wed, 9 Apr 2014 11:24:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758379AbaDILYy (ORCPT ); Wed, 9 Apr 2014 07:24:54 -0400 Received: from transparentnimenzy.cz ([31.31.77.140]:52614 "EHLO devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758279AbaDILYx convert rfc822-to-8bit (ORCPT ); Wed, 9 Apr 2014 07:24:53 -0400 Received: from sigyn.localnet (228.123.broadband5.iol.cz [88.100.123.228]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by devoid-pointer.net (Postfix) with ESMTPSA id AD3E021056; Wed, 9 Apr 2014 13:24:49 +0200 (CEST) From: Michal =?ISO-8859-1?Q?Mal=FD?= To: dmitry.torokhov@gmail.com, jkosina@suse.cz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Elias Vanderstuyft Subject: [PATCH 13/24] Port hid-lg3ff to ff-memless-next Date: Wed, 09 Apr 2014 13:24:49 +0200 Message-ID: <1950497.jofl5Si0qz@sigyn> User-Agent: KMail/4.13 rc (Linux/3.14.0-1-ARCHMOD; KDE/4.12.97; x86_64; ; ) In-Reply-To: <1609685.QRL9N9sQvX@sigyn> References: <1609685.QRL9N9sQvX@sigyn> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Port hid-lg3ff to ff-memless-next Signed-off-by: Michal Malý --- drivers/hid/Kconfig | 2 +- drivers/hid/hid-lg3ff.c | 56 +++++++++++++++++++++++++++++++------------------ 2 files changed, 37 insertions(+), 21 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index c7794ae..6f2941a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -382,7 +382,7 @@ config LOGIRUMBLEPAD2_FF config LOGIG940_FF bool "Logitech Flight System G940 force feedback support" depends on HID_LOGITECH - select INPUT_FF_MEMLESS + select INPUT_FF_MEMLESS_NEXT help Say Y here if you want to enable force feedback support for Logitech Flight System G940 devices. diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c index 8c2da18..a85f8e5 100644 --- a/drivers/hid/hid-lg3ff.c +++ b/drivers/hid/hid-lg3ff.c @@ -23,9 +23,12 @@ #include #include +#include #include "hid-lg.h" +#define FF_UPDATE_RATE 50 + /* * G940 Theory of Operation (from experimentation) * @@ -58,12 +61,11 @@ struct lg3ff_device { }; static int hid_lg3ff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) + const struct mlnx_effect_command *command) { struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); - int x, y; /* * Available values in the field should always be 63, but we only use up to @@ -72,30 +74,37 @@ static int hid_lg3ff_play(struct input_dev *dev, void *data, memset(report->field[0]->value, 0, sizeof(__s32) * report->field[0]->report_count); - switch (effect->type) { - case FF_CONSTANT: -/* - * Already clamped in ff_memless - * 0 is center (different then other logitech) - */ - x = effect->u.ramp.start_level; - y = effect->u.ramp.end_level; - - /* send command byte */ - report->field[0]->value[0] = 0x51; + /* send command byte */ + report->field[0]->value[0] = 0x51; -/* - * Sign backwards from other Force3d pro - * which get recast here in two's complement 8 bits - */ + switch (command->cmd) { + case MLNX_START_COMBINED: { + const struct mlnx_simple_force *simple_force = &command->u.simple_force; + /* Scale down from MLNX range */ + const int x = 0x80 - (simple_force->x * 0xff / 0xffff); + const int y = simple_force->y * 0xff / 0xffff; + + /* + * Sign backwards from other Force3d pro + * which get recast here in two's complement 8 bits + */ report->field[0]->value[1] = (unsigned char)(-x); report->field[0]->value[31] = (unsigned char)(-y); - - hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; + } + case MLNX_STOP_COMBINED: + report->field[0]->value[1] = 0; + report->field[0]->value[31] = 0; + break; + default: + return -EINVAL; } + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + return 0; } + static void hid_lg3ff_set_autocenter(struct input_dev *dev, u16 magnitude) { struct hid_device *hid = input_get_drvdata(dev); @@ -123,6 +132,13 @@ static void hid_lg3ff_set_autocenter(struct input_dev *dev, u16 magnitude) static const signed short ff3_joystick_ac[] = { FF_CONSTANT, + FF_RAMP, + FF_PERIODIC, + FF_SQUARE, + FF_TRIANGLE, + FF_SINE, + FF_SAW_UP, + FF_SAW_DOWN, FF_AUTOCENTER, -1 }; @@ -143,7 +159,7 @@ int lg3ff_init(struct hid_device *hid) for (i = 0; ff_bits[i] >= 0; i++) set_bit(ff_bits[i], dev->ffbit); - error = input_ff_create_memless(dev, NULL, hid_lg3ff_play); + error = input_ff_create_mlnx(dev, NULL, hid_lg3ff_play, FF_UPDATE_RATE); if (error) return error;