1 /* 2 * Force feedback support for SmartJoy PLUS PS2->USB adapter 3 * 4 * Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> 5 * 6 * Based of hid-pl.c and hid-gaff.c 7 * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com> 8 * Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info> 9 */ 10 11 /* 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 */ 26 27 /* #define DEBUG */ 28 29 #include <linux/input.h> 30 #include <linux/slab.h> 31 #include <linux/usb.h> 32 #include <linux/hid.h> 33 #include <linux/module.h> 34 #include "hid-ids.h" 35 36 #ifdef CONFIG_SMARTJOYPLUS_FF 37 #include "usbhid/usbhid.h" 38 39 struct sjoyff_device { 40 struct hid_report *report; 41 }; 42 43 static int hid_sjoyff_play(struct input_dev *dev, void *data, 44 struct ff_effect *effect) 45 { 46 struct hid_device *hid = input_get_drvdata(dev); 47 struct sjoyff_device *sjoyff = data; 48 u32 left, right; 49 50 left = effect->u.rumble.strong_magnitude; 51 right = effect->u.rumble.weak_magnitude; 52 dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right); 53 54 left = left * 0xff / 0xffff; 55 right = (right != 0); /* on/off only */ 56 57 sjoyff->report->field[0]->value[1] = right; 58 sjoyff->report->field[0]->value[2] = left; 59 dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right); 60 usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); 61 62 return 0; 63 } 64 65 static int sjoyff_init(struct hid_device *hid) 66 { 67 struct sjoyff_device *sjoyff; 68 struct hid_report *report; 69 struct hid_input *hidinput; 70 struct list_head *report_list = 71 &hid->report_enum[HID_OUTPUT_REPORT].report_list; 72 struct list_head *report_ptr = report_list; 73 struct input_dev *dev; 74 int error; 75 76 if (list_empty(report_list)) { 77 hid_err(hid, "no output reports found\n"); 78 return -ENODEV; 79 } 80 81 list_for_each_entry(hidinput, &hid->inputs, list) { 82 report_ptr = report_ptr->next; 83 84 if (report_ptr == report_list) { 85 hid_err(hid, "required output report is missing\n"); 86 return -ENODEV; 87 } 88 89 report = list_entry(report_ptr, struct hid_report, list); 90 if (report->maxfield < 1) { 91 hid_err(hid, "no fields in the report\n"); 92 return -ENODEV; 93 } 94 95 if (report->field[0]->report_count < 3) { 96 hid_err(hid, "not enough values in the field\n"); 97 return -ENODEV; 98 } 99 100 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); 101 if (!sjoyff) 102 return -ENOMEM; 103 104 dev = hidinput->input; 105 106 set_bit(FF_RUMBLE, dev->ffbit); 107 108 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); 109 if (error) { 110 kfree(sjoyff); 111 return error; 112 } 113 114 sjoyff->report = report; 115 sjoyff->report->field[0]->value[0] = 0x01; 116 sjoyff->report->field[0]->value[1] = 0x00; 117 sjoyff->report->field[0]->value[2] = 0x00; 118 usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); 119 } 120 121 hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n"); 122 123 return 0; 124 } 125 #else 126 static inline int sjoyff_init(struct hid_device *hid) 127 { 128 return 0; 129 } 130 #endif 131 132 static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) 133 { 134 int ret; 135 136 hdev->quirks |= id->driver_data; 137 138 ret = hid_parse(hdev); 139 if (ret) { 140 hid_err(hdev, "parse failed\n"); 141 goto err; 142 } 143 144 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); 145 if (ret) { 146 hid_err(hdev, "hw start failed\n"); 147 goto err; 148 } 149 150 sjoyff_init(hdev); 151 152 return 0; 153 err: 154 return ret; 155 } 156 157 static const struct hid_device_id sjoy_devices[] = { 158 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO), 159 .driver_data = HID_QUIRK_NOGET }, 160 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO), 161 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | 162 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 163 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO), 164 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | 165 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 166 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 167 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, 168 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD), 169 .driver_data = HID_QUIRK_MULTI_INPUT | 170 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 171 { } 172 }; 173 MODULE_DEVICE_TABLE(hid, sjoy_devices); 174 175 static struct hid_driver sjoy_driver = { 176 .name = "smartjoyplus", 177 .id_table = sjoy_devices, 178 .probe = sjoy_probe, 179 }; 180 181 static int __init sjoy_init(void) 182 { 183 return hid_register_driver(&sjoy_driver); 184 } 185 186 static void __exit sjoy_exit(void) 187 { 188 hid_unregister_driver(&sjoy_driver); 189 } 190 191 module_init(sjoy_init); 192 module_exit(sjoy_exit); 193 MODULE_LICENSE("GPL"); 194 MODULE_AUTHOR("Jussi Kivilinna"); 195 196