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 "hid-ids.h" 34 35 #ifdef CONFIG_SMARTJOYPLUS_FF 36 #include "usbhid/usbhid.h" 37 38 struct sjoyff_device { 39 struct hid_report *report; 40 }; 41 42 static int hid_sjoyff_play(struct input_dev *dev, void *data, 43 struct ff_effect *effect) 44 { 45 struct hid_device *hid = input_get_drvdata(dev); 46 struct sjoyff_device *sjoyff = data; 47 u32 left, right; 48 49 left = effect->u.rumble.strong_magnitude; 50 right = effect->u.rumble.weak_magnitude; 51 dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right); 52 53 left = left * 0xff / 0xffff; 54 right = (right != 0); /* on/off only */ 55 56 sjoyff->report->field[0]->value[1] = right; 57 sjoyff->report->field[0]->value[2] = left; 58 dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right); 59 usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); 60 61 return 0; 62 } 63 64 static int sjoyff_init(struct hid_device *hid) 65 { 66 struct sjoyff_device *sjoyff; 67 struct hid_report *report; 68 struct hid_input *hidinput; 69 struct list_head *report_list = 70 &hid->report_enum[HID_OUTPUT_REPORT].report_list; 71 struct list_head *report_ptr = report_list; 72 struct input_dev *dev; 73 int error; 74 75 if (list_empty(report_list)) { 76 hid_err(hid, "no output reports found\n"); 77 return -ENODEV; 78 } 79 80 list_for_each_entry(hidinput, &hid->inputs, list) { 81 report_ptr = report_ptr->next; 82 83 if (report_ptr == report_list) { 84 hid_err(hid, "required output report is missing\n"); 85 return -ENODEV; 86 } 87 88 report = list_entry(report_ptr, struct hid_report, list); 89 if (report->maxfield < 1) { 90 hid_err(hid, "no fields in the report\n"); 91 return -ENODEV; 92 } 93 94 if (report->field[0]->report_count < 3) { 95 hid_err(hid, "not enough values in the field\n"); 96 return -ENODEV; 97 } 98 99 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); 100 if (!sjoyff) 101 return -ENOMEM; 102 103 dev = hidinput->input; 104 105 set_bit(FF_RUMBLE, dev->ffbit); 106 107 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); 108 if (error) { 109 kfree(sjoyff); 110 return error; 111 } 112 113 sjoyff->report = report; 114 sjoyff->report->field[0]->value[0] = 0x01; 115 sjoyff->report->field[0]->value[1] = 0x00; 116 sjoyff->report->field[0]->value[2] = 0x00; 117 usbhid_submit_report(hid, sjoyff->report, USB_DIR_OUT); 118 } 119 120 hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n"); 121 122 return 0; 123 } 124 #else 125 static inline int sjoyff_init(struct hid_device *hid) 126 { 127 return 0; 128 } 129 #endif 130 131 static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) 132 { 133 int ret; 134 135 hdev->quirks |= id->driver_data; 136 137 ret = hid_parse(hdev); 138 if (ret) { 139 hid_err(hdev, "parse failed\n"); 140 goto err; 141 } 142 143 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); 144 if (ret) { 145 hid_err(hdev, "hw start failed\n"); 146 goto err; 147 } 148 149 sjoyff_init(hdev); 150 151 return 0; 152 err: 153 return ret; 154 } 155 156 static const struct hid_device_id sjoy_devices[] = { 157 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 158 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO), 159 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | 160 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 161 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO), 162 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | 163 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 164 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 165 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD), 166 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | 167 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 168 { } 169 }; 170 MODULE_DEVICE_TABLE(hid, sjoy_devices); 171 172 static struct hid_driver sjoy_driver = { 173 .name = "smartjoyplus", 174 .id_table = sjoy_devices, 175 .probe = sjoy_probe, 176 }; 177 178 static int __init sjoy_init(void) 179 { 180 return hid_register_driver(&sjoy_driver); 181 } 182 183 static void __exit sjoy_exit(void) 184 { 185 hid_unregister_driver(&sjoy_driver); 186 } 187 188 module_init(sjoy_init); 189 module_exit(sjoy_exit); 190 MODULE_LICENSE("GPL"); 191 MODULE_AUTHOR("Jussi Kivilinna"); 192 193