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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/hid/hid-lgff.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/hid/hid-lgff.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/hid/hid-lgff.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/ANDROID_3.4.5/drivers/hid/hid-lgff.c b/ANDROID_3.4.5/drivers/hid/hid-lgff.c deleted file mode 100644 index 27bc54f9..00000000 --- a/ANDROID_3.4.5/drivers/hid/hid-lgff.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Force feedback support for hid-compliant for some of the devices from - * Logitech, namely: - * - WingMan Cordless RumblePad - * - WingMan Force 3D - * - * Copyright (c) 2002-2004 Johann Deneux - * Copyright (c) 2006 Anssi Hannula <anssi.hannula@gmail.com> - */ - -/* - * 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 - * - * Should you need to contact me, the author, you can do so by - * e-mail - mail your message to <johann.deneux@it.uu.se> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/input.h> -#include <linux/usb.h> -#include <linux/hid.h> - -#include "usbhid/usbhid.h" -#include "hid-lg.h" - -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 signed short ff_joystick_ac[] = { - FF_CONSTANT, - FF_AUTOCENTER, - -1 -}; - -static const struct dev_type devices[] = { - { 0x046d, 0xc211, ff_rumble }, - { 0x046d, 0xc219, ff_rumble }, - { 0x046d, 0xc283, ff_joystick }, - { 0x046d, 0xc286, ff_joystick_ac }, - { 0x046d, 0xc287, ff_joystick_ac }, - { 0x046d, 0xc293, ff_joystick }, - { 0x046d, 0xc295, ff_joystick }, -}; - -static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) -{ - 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 (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); - usbhid_submit_report(hid, report, USB_DIR_OUT); - break; - - 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); - usbhid_submit_report(hid, report, USB_DIR_OUT); - break; - } - return 0; -} - -static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) -{ - 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); - __s32 *value = report->field[0]->value; - magnitude = (magnitude >> 12) & 0xf; - *value++ = 0xfe; - *value++ = 0x0d; - *value++ = magnitude; /* clockwise strength */ - *value++ = magnitude; /* counter-clockwise strength */ - *value++ = 0x80; - *value++ = 0x00; - *value = 0x00; - usbhid_submit_report(hid, report, USB_DIR_OUT); -} - -int lgff_init(struct hid_device* hid) -{ - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; - struct hid_report *report; - struct hid_field *field; - const signed short *ff_bits = ff_joystick; - int error; - int i; - - /* Find the report to use */ - if (list_empty(report_list)) { - hid_err(hid, "No output report found\n"); - return -1; - } - - /* Check that the report looks ok */ - report = list_entry(report_list->next, struct hid_report, list); - field = report->field[0]; - if (!field) { - hid_err(hid, "NULL field\n"); - return -1; - } - - for (i = 0; i < ARRAY_SIZE(devices); i++) { - if (dev->id.vendor == devices[i].idVendor && - 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], dev->ffbit); - - error = input_ff_create_memless(dev, NULL, hid_lgff_play); - if (error) - return error; - - if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) - dev->ff->set_autocenter = hid_lgff_set_autocenter; - - pr_info("Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); - - return 0; -} |