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/hid.h> 32 #include <linux/module.h> 33 #include "hid-ids.h" 34 35 #ifdef CONFIG_SMARTJOYPLUS_FF 36 37 struct sjoyff_device { 38 struct hid_report *report; 39 }; 40 41 static int hid_sjoyff_play(struct input_dev *dev, void *data, 42 struct ff_effect *effect) 43 { 44 struct hid_device *hid = input_get_drvdata(dev); 45 struct sjoyff_device *sjoyff = data; 46 u32 left, right; 47 48 left = effect->u.rumble.strong_magnitude; 49 right = effect->u.rumble.weak_magnitude; 50 dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right); 51 52 left = left * 0xff / 0xffff; 53 right = (right != 0); /* on/off only */ 54 55 sjoyff->report->field[0]->value[1] = right; 56 sjoyff->report->field[0]->value[2] = left; 57 dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right); 58 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); 59 60 return 0; 61 } 62 63 static int sjoyff_init(struct hid_device *hid) 64 { 65 struct sjoyff_device *sjoyff; 66 struct hid_report *report; 67 struct hid_input *hidinput; 68 struct list_head *report_list = 69 &hid->report_enum[HID_OUTPUT_REPORT].report_list; 70 struct list_head *report_ptr = report_list; 71 struct input_dev *dev; 72 int error; 73 74 if (list_empty(report_list)) { 75 hid_err(hid, "no output reports found\n"); 76 return -ENODEV; 77 } 78 79 list_for_each_entry(hidinput, &hid->inputs, list) { 80 report_ptr = report_ptr->next; 81 82 if (report_ptr == report_list) { 83 hid_err(hid, "required output report is missing\n"); 84 return -ENODEV; 85 } 86 87 report = list_entry(report_ptr, struct hid_report, list); 88 if (report->maxfield < 1) { 89 hid_err(hid, "no fields in the report\n"); 90 return -ENODEV; 91 } 92 93 if (report->field[0]->report_count < 3) { 94 hid_err(hid, "not enough values in the field\n"); 95 return -ENODEV; 96 } 97 98 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); 99 if (!sjoyff) 100 return -ENOMEM; 101 102 dev = hidinput->input; 103 104 set_bit(FF_RUMBLE, dev->ffbit); 105 106 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); 107 if (error) { 108 kfree(sjoyff); 109 return error; 110 } 111 112 sjoyff->report = report; 113 sjoyff->report->field[0]->value[0] = 0x01; 114 sjoyff->report->field[0]->value[1] = 0x00; 115 sjoyff->report->field[0]->value[2] = 0x00; 116 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); 117 } 118 119 hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n"); 120 121 return 0; 122 } 123 #else 124 static inline int sjoyff_init(struct hid_device *hid) 125 { 126 return 0; 127 } 128 #endif 129 130 static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) 131 { 132 int ret; 133 134 hdev->quirks |= id->driver_data; 135 136 ret = hid_parse(hdev); 137 if (ret) { 138 hid_err(hdev, "parse failed\n"); 139 goto err; 140 } 141 142 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); 143 if (ret) { 144 hid_err(hdev, "hw start failed\n"); 145 goto err; 146 } 147 148 sjoyff_init(hdev); 149 150 return 0; 151 err: 152 return ret; 153 } 154 155 static const struct hid_device_id sjoy_devices[] = { 156 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO), 157 .driver_data = HID_QUIRK_NOGET }, 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_SUPER_JOY_BOX_3) }, 166 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD), 167 .driver_data = HID_QUIRK_MULTI_INPUT | 168 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 169 { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII), 170 .driver_data = HID_QUIRK_MULTI_INPUT | 171 HID_QUIRK_SKIP_OUTPUT_REPORTS }, 172 { } 173 }; 174 MODULE_DEVICE_TABLE(hid, sjoy_devices); 175 176 static struct hid_driver sjoy_driver = { 177 .name = "smartjoyplus", 178 .id_table = sjoy_devices, 179 .probe = sjoy_probe, 180 }; 181 module_hid_driver(sjoy_driver); 182 183 MODULE_LICENSE("GPL"); 184 MODULE_AUTHOR("Jussi Kivilinna"); 185 186