diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/hid/hid-holtekff.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/hid/hid-holtekff.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/ANDROID_3.4.5/drivers/hid/hid-holtekff.c b/ANDROID_3.4.5/drivers/hid/hid-holtekff.c deleted file mode 100644 index 4e754215..00000000 --- a/ANDROID_3.4.5/drivers/hid/hid-holtekff.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Force feedback support for Holtek On Line Grip based gamepads - * - * These include at least a Brazilian "Clone Joypad Super Power Fire" - * which uses vendor ID 0x1241 and identifies as "HOLTEK On Line Grip". - * - * Copyright (c) 2011 Anssi Hannula <anssi.hannula@iki.fi> - */ - -/* - * 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 <linux/hid.h> -#include <linux/input.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> - -#include "hid-ids.h" - -#ifdef CONFIG_HOLTEK_FF -#include "usbhid/usbhid.h" - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>"); -MODULE_DESCRIPTION("Force feedback support for Holtek On Line Grip based devices"); - -/* - * These commands and parameters are currently known: - * - * byte 0: command id: - * 01 set effect parameters - * 02 play specified effect - * 03 stop specified effect - * 04 stop all effects - * 06 stop all effects - * (the difference between 04 and 06 isn't known; win driver - * sends 06,04 on application init, and 06 otherwise) - * - * Commands 01 and 02 need to be sent as pairs, i.e. you need to send 01 - * before each 02. - * - * The rest of the bytes are parameters. Command 01 takes all of them, and - * commands 02,03 take only the effect id. - * - * byte 1: - * bits 0-3: effect id: - * 1: very strong rumble - * 2: periodic rumble, short intervals - * 3: very strong rumble - * 4: periodic rumble, long intervals - * 5: weak periodic rumble, long intervals - * 6: weak periodic rumble, short intervals - * 7: periodic rumble, short intervals - * 8: strong periodic rumble, short intervals - * 9: very strong rumble - * a: causes an error - * b: very strong periodic rumble, very short intervals - * c-f: nothing - * bit 6: right (weak) motor enabled - * bit 7: left (strong) motor enabled - * - * bytes 2-3: time in milliseconds, big-endian - * bytes 5-6: unknown (win driver seems to use at least 10e0 with effect 1 - * and 0014 with effect 6) - * byte 7: - * bits 0-3: effect magnitude - */ - -#define HOLTEKFF_MSG_LENGTH 7 - -static const u8 start_effect_1[] = { 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; -static const u8 stop_all4[] = { 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; -static const u8 stop_all6[] = { 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - -struct holtekff_device { - struct hid_field *field; -}; - -static void holtekff_send(struct holtekff_device *holtekff, - struct hid_device *hid, - const u8 data[HOLTEKFF_MSG_LENGTH]) -{ - int i; - - for (i = 0; i < HOLTEKFF_MSG_LENGTH; i++) { - holtekff->field->value[i] = data[i]; - } - - dbg_hid("sending %02x %02x %02x %02x %02x %02x %02x\n", data[0], - data[1], data[2], data[3], data[4], data[5], data[6]); - - usbhid_submit_report(hid, holtekff->field->report, USB_DIR_OUT); -} - -static int holtekff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) -{ - struct hid_device *hid = input_get_drvdata(dev); - struct holtekff_device *holtekff = data; - int left, right; - /* effect type 1, length 65535 msec */ - u8 buf[HOLTEKFF_MSG_LENGTH] = - { 0x01, 0x01, 0xff, 0xff, 0x10, 0xe0, 0x00 }; - - left = effect->u.rumble.strong_magnitude; - right = effect->u.rumble.weak_magnitude; - dbg_hid("called with 0x%04x 0x%04x\n", left, right); - - if (!left && !right) { - holtekff_send(holtekff, hid, stop_all6); - return 0; - } - - if (left) - buf[1] |= 0x80; - if (right) - buf[1] |= 0x40; - - /* The device takes a single magnitude, so we just sum them up. */ - buf[6] = min(0xf, (left >> 12) + (right >> 12)); - - holtekff_send(holtekff, hid, buf); - holtekff_send(holtekff, hid, start_effect_1); - - return 0; -} - -static int holtekff_init(struct hid_device *hid) -{ - struct holtekff_device *holtekff; - struct hid_report *report; - 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; - int error; - - if (list_empty(report_list)) { - hid_err(hid, "no output report found\n"); - return -ENODEV; - } - - report = list_entry(report_list->next, struct hid_report, list); - - if (report->maxfield < 1 || report->field[0]->report_count != 7) { - hid_err(hid, "unexpected output report layout\n"); - return -ENODEV; - } - - holtekff = kzalloc(sizeof(*holtekff), GFP_KERNEL); - if (!holtekff) - return -ENOMEM; - - set_bit(FF_RUMBLE, dev->ffbit); - - holtekff->field = report->field[0]; - - /* initialize the same way as win driver does */ - holtekff_send(holtekff, hid, stop_all4); - holtekff_send(holtekff, hid, stop_all6); - - error = input_ff_create_memless(dev, holtekff, holtekff_play); - if (error) { - kfree(holtekff); - return error; - } - - hid_info(hid, "Force feedback for Holtek On Line Grip based devices by Anssi Hannula <anssi.hannula@iki.fi>\n"); - - return 0; -} -#else -static inline int holtekff_init(struct hid_device *hid) -{ - return 0; -} -#endif - -static int holtek_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - ret = hid_parse(hdev); - if (ret) { - hid_err(hdev, "parse failed\n"); - goto err; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); - if (ret) { - hid_err(hdev, "hw start failed\n"); - goto err; - } - - holtekff_init(hdev); - - return 0; -err: - return ret; -} - -static const struct hid_device_id holtek_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, - { } -}; -MODULE_DEVICE_TABLE(hid, holtek_devices); - -static struct hid_driver holtek_driver = { - .name = "holtek", - .id_table = holtek_devices, - .probe = holtek_probe, -}; - -static int __init holtek_init(void) -{ - return hid_register_driver(&holtek_driver); -} - -static void __exit holtek_exit(void) -{ - hid_unregister_driver(&holtek_driver); -} - -module_init(holtek_init); -module_exit(holtek_exit); - |