From 10e41a711e55f485709b4ca157e587cf36ef5a69 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 12:23:31 +0200 Subject: HID: move thrustmaster FF processing Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-tmff.c | 225 ------------------------------------------ 1 file changed, 225 deletions(-) delete mode 100644 drivers/hid/usbhid/hid-tmff.c (limited to 'drivers/hid/usbhid/hid-tmff.c') diff --git a/drivers/hid/usbhid/hid-tmff.c b/drivers/hid/usbhid/hid-tmff.c deleted file mode 100644 index 144578b1a00..00000000000 --- a/drivers/hid/usbhid/hid-tmff.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Force feedback support for various HID compliant devices by ThrustMaster: - * ThrustMaster FireStorm Dual Power 2 - * and possibly others whose device ids haven't been added. - * - * Modified to support ThrustMaster devices by Zinx Verituse - * on 2003-01-25 from the Logitech force feedback driver, - * which is by Johann Deneux. - * - * Copyright (c) 2003 Zinx Verituse - * Copyright (c) 2002 Johann Deneux - */ - -/* - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include - -#undef DEBUG -#include - -#include -#include "usbhid.h" - -/* Usages for thrustmaster devices I know about */ -#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) - -struct dev_type { - u16 idVendor; - u16 idProduct; - const signed short *ff; -}; - -static const signed short ff_rumble[] = { - FF_RUMBLE, - -1 -}; - -static const signed short ff_joystick[] = { - FF_CONSTANT, - -1 -}; - -static const struct dev_type devices[] = { - { 0x44f, 0xb300, ff_rumble }, - { 0x44f, 0xb304, ff_rumble }, - { 0x44f, 0xb651, ff_rumble }, /* FGT Rumble Force Wheel */ - { 0x44f, 0xb654, ff_joystick }, /* FGT Force Feedback Wheel */ -}; - -struct tmff_device { - struct hid_report *report; - struct hid_field *ff_field; -}; - -/* Changes values from 0 to 0xffff into values from minimum to maximum */ -static inline int hid_tmff_scale_u16(unsigned int in, - int minimum, int maximum) -{ - int ret; - - ret = (in * (maximum - minimum) / 0xffff) + minimum; - if (ret < minimum) - return minimum; - if (ret > maximum) - return maximum; - return ret; -} - -/* Changes values from -0x80 to 0x7f into values from minimum to maximum */ -static inline int hid_tmff_scale_s8(int in, - int minimum, int maximum) -{ - int ret; - - ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum; - if (ret < minimum) - return minimum; - if (ret > maximum) - return maximum; - return ret; -} - -static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect) -{ - struct hid_device *hid = input_get_drvdata(dev); - struct tmff_device *tmff = data; - struct hid_field *ff_field = tmff->ff_field; - int x, y; - int left, right; /* Rumbling */ - - switch (effect->type) { - case FF_CONSTANT: - x = hid_tmff_scale_s8(effect->u.ramp.start_level, - ff_field->logical_minimum, - ff_field->logical_maximum); - y = hid_tmff_scale_s8(effect->u.ramp.end_level, - ff_field->logical_minimum, - ff_field->logical_maximum); - - dbg_hid("(x, y)=(%04x, %04x)\n", x, y); - ff_field->value[0] = x; - ff_field->value[1] = y; - usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); - break; - - case FF_RUMBLE: - left = hid_tmff_scale_u16(effect->u.rumble.weak_magnitude, - ff_field->logical_minimum, - ff_field->logical_maximum); - right = hid_tmff_scale_u16(effect->u.rumble.strong_magnitude, - ff_field->logical_minimum, - ff_field->logical_maximum); - - dbg_hid("(left,right)=(%08x, %08x)\n", left, right); - ff_field->value[0] = left; - ff_field->value[1] = right; - usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); - break; - } - return 0; -} - -int hid_tmff_init(struct hid_device *hid) -{ - struct tmff_device *tmff; - struct hid_report *report; - struct list_head *report_list; - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *input_dev = hidinput->input; - const signed short *ff_bits = ff_joystick; - int error; - int i; - - tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); - if (!tmff) - return -ENOMEM; - - /* Find the report to use */ - report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - list_for_each_entry(report, report_list, list) { - int fieldnum; - - for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) { - struct hid_field *field = report->field[fieldnum]; - - if (field->maxusage <= 0) - continue; - - switch (field->usage[0].hid) { - case THRUSTMASTER_USAGE_FF: - if (field->report_count < 2) { - warn("ignoring FF field with report_count < 2"); - continue; - } - - if (field->logical_maximum == field->logical_minimum) { - warn("ignoring FF field with logical_maximum == logical_minimum"); - continue; - } - - if (tmff->report && tmff->report != report) { - warn("ignoring FF field in other report"); - continue; - } - - if (tmff->ff_field && tmff->ff_field != field) { - warn("ignoring duplicate FF field"); - continue; - } - - tmff->report = report; - tmff->ff_field = field; - - for (i = 0; i < ARRAY_SIZE(devices); i++) { - if (input_dev->id.vendor == devices[i].idVendor && - input_dev->id.product == devices[i].idProduct) { - ff_bits = devices[i].ff; - break; - } - } - - for (i = 0; ff_bits[i] >= 0; i++) - set_bit(ff_bits[i], input_dev->ffbit); - - break; - - default: - warn("ignoring unknown output usage %08x", field->usage[0].hid); - continue; - } - } - } - - if (!tmff->report) { - err("cant find FF field in output reports\n"); - error = -ENODEV; - goto fail; - } - - error = input_ff_create_memless(input_dev, tmff, hid_tmff_play); - if (error) - goto fail; - - info("Force feedback for ThrustMaster devices by Zinx Verituse "); - return 0; - - fail: - kfree(tmff); - return error; -} - -- cgit v1.2.3