From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal =?ISO-8859-1?Q?Mal=FD?= 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> References: <1609685.QRL9N9sQvX@sigyn> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: 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 In-Reply-To: <1609685.QRL9N9sQvX@sigyn> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: dmitry.torokhov@gmail.com, jkosina@suse.cz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Elias Vanderstuyft Port hid-lg3ff to ff-memless-next Signed-off-by: Michal Mal=FD --- 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 Logitec= h 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 @@ =20 #include #include +#include =20 #include "hid-lg.h" =20 +#define FF_UPDATE_RATE 50 + /* * G940 Theory of Operation (from experimentation) * @@ -58,12 +61,11 @@ struct lg3ff_device { }; =20 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 =3D input_get_drvdata(dev); struct list_head *report_list =3D &hid->report_enum[HID_OUTPUT_REPORT= ].report_list; struct hid_report *report =3D list_entry(report_list->next, struct hi= d_report, list); - int x, y; =20 /* * 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, vo= id *data, memset(report->field[0]->value, 0, sizeof(__s32) * report->field[0]->report_count); =20 - switch (effect->type) { - case FF_CONSTANT: -/* - * Already clamped in ff_memless - * 0 is center (different then other logitech) - */ - x =3D effect->u.ramp.start_level; - y =3D effect->u.ramp.end_level; - - /* send command byte */ - report->field[0]->value[0] =3D 0x51; + /* send command byte */ + report->field[0]->value[0] =3D 0x51; =20 -/* - * 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 =3D &command->u.simple_= force; + /* Scale down from MLNX range */ + const int x =3D 0x80 - (simple_force->x * 0xff / 0xffff); + const int y =3D 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] =3D (unsigned char)(-x); report->field[0]->value[31] =3D (unsigned char)(-y); - - hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; + } + case MLNX_STOP_COMBINED: + report->field[0]->value[1] =3D 0; + report->field[0]->value[31] =3D 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 magnit= ude) { struct hid_device *hid =3D input_get_drvdata(dev); @@ -123,6 +132,13 @@ static void hid_lg3ff_set_autocenter(struct input_= dev *dev, u16 magnitude) =20 static const signed short ff3_joystick_ac[] =3D { 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 =3D 0; ff_bits[i] >=3D 0; i++) set_bit(ff_bits[i], dev->ffbit); =20 - error =3D input_ff_create_memless(dev, NULL, hid_lg3ff_play); + error =3D input_ff_create_mlnx(dev, NULL, hid_lg3ff_play, FF_UPDATE_R= ATE); if (error) return error; =20 --=20 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-input" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html