Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752546AbaDZPE0 (ORCPT ); Sat, 26 Apr 2014 11:04:26 -0400 Received: from imap.devoid-pointer.net ([31.31.77.140]:50003 "EHLO smtp.devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751839AbaDZPD1 (ORCPT ); Sat, 26 Apr 2014 11:03:27 -0400 From: =?UTF-8?q?Michal=20Mal=C3=BD?= To: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dmitry.torokhov@gmail.com, jkosina@suse.cz, elias.vds@gmail.com, anssi.hannula@iki.fi, simon@mungewell.org, =?UTF-8?q?Michal=20Mal=C3=BD?= Subject: [PATCH v4 12/24] hid: Port hid-lgff to ff-memless-next Date: Sat, 26 Apr 2014 17:02:11 +0200 Message-Id: <1398524543-15012-13-git-send-email-madcatxster@devoid-pointer.net> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1398524543-15012-1-git-send-email-madcatxster@devoid-pointer.net> References: <1398524543-15012-1-git-send-email-madcatxster@devoid-pointer.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Port hid-lgff to ff-memless-next Signed-off-by: Michal Malý --- drivers/hid/Kconfig | 2 +- drivers/hid/hid-lgff.c | 70 +++++++++++++++++++++++++++++++++++--------------- 2 files changed, 51 insertions(+), 21 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 1749a4a..c4b0cbb 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -365,7 +365,7 @@ config HID_LOGITECH_DJ config LOGITECH_FF bool "Logitech force feedback support" depends on HID_LOGITECH - select INPUT_FF_MEMLESS + select INPUT_FF_MEMLESS_NEXT help Say Y here if you have one of these devices: - Logitech WingMan Cordless RumblePad diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index e1394af..40ad68a 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -31,9 +31,12 @@ #include #include +#include #include "hid-lg.h" +#define FF_UPDATE_RATE 50 + struct dev_type { u16 idVendor; u16 idProduct; @@ -47,11 +50,25 @@ static const signed short ff_rumble[] = { static const signed short ff_joystick[] = { FF_CONSTANT, + FF_RAMP, + FF_PERIODIC, + FF_SQUARE, + FF_TRIANGLE, + FF_SINE, + FF_SAW_UP, + FF_SAW_DOWN, -1 }; static const signed short ff_joystick_ac[] = { FF_CONSTANT, + FF_RAMP, + FF_PERIODIC, + FF_SQUARE, + FF_TRIANGLE, + FF_SINE, + FF_SAW_UP, + FF_SAW_DOWN, FF_AUTOCENTER, -1 }; @@ -66,45 +83,58 @@ static const struct dev_type devices[] = { { 0x046d, 0xc295, ff_joystick }, }; -static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) +static int hid_lgff_play(struct input_dev *dev, void *data, + 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; - unsigned int left, right; -#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff + 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 = 0x80 - (simple_force->y * 0xff / 0xffff); - switch (effect->type) { - case FF_CONSTANT: - x = effect->u.ramp.start_level + 0x7f; /* 0x7f is center */ - y = effect->u.ramp.end_level + 0x7f; - CLAMP(x); - CLAMP(y); report->field[0]->value[0] = 0x51; report->field[0]->value[1] = 0x08; report->field[0]->value[2] = x; report->field[0]->value[3] = y; dbg_hid("(x, y)=(%04x, %04x)\n", x, y); - hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; + } + case MLNX_STOP_COMBINED: + report->field[0]->value[0] = 0x51; + report->field[0]->value[1] = 0x08; + report->field[0]->value[2] = 0x80; + report->field[0]->value[3] = 0x80; + break; + case MLNX_START_RUMBLE: { + const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force; + /* Scale down from MLNX range */ + const unsigned int right = rumble_force->weak * 0xff / 0xffff; + const unsigned int left = rumble_force->strong * 0xff / 0xffff; - case FF_RUMBLE: - right = effect->u.rumble.strong_magnitude; - left = effect->u.rumble.weak_magnitude; - right = right * 0xff / 0xffff; - left = left * 0xff / 0xffff; - CLAMP(left); - CLAMP(right); report->field[0]->value[0] = 0x42; report->field[0]->value[1] = 0x00; report->field[0]->value[2] = left; report->field[0]->value[3] = right; dbg_hid("(left, right)=(%04x, %04x)\n", left, right); - hid_hw_request(hid, report, HID_REQ_SET_REPORT); break; } + case MLNX_STOP_RUMBLE: + report->field[0]->value[0] = 0x42; + report->field[0]->value[1] = 0x00; + report->field[0]->value[2] = 0; + report->field[0]->value[3] = 0; + break; + default: + return -EINVAL; + } + + hid_hw_request(hid, report, HID_REQ_SET_REPORT); + return 0; } @@ -148,7 +178,7 @@ int lgff_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_lgff_play); + error = input_ff_create_mlnx(dev, NULL, hid_lgff_play, FF_UPDATE_RATE); if (error) return error; 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