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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
37struct sjoyff_device {
38 struct hid_report *report;
39};
40
41static 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);
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
63static 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
124static inline int sjoyff_init(struct hid_device *hid)
125{
126 return 0;
127}
128#endif
129
130static 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;
151err:
152 return ret;
153}
154
155static 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};
174MODULE_DEVICE_TABLE(hid, sjoy_devices);
175
176static struct hid_driver sjoy_driver = {
177 .name = "smartjoyplus",
178 .id_table = sjoy_devices,
179 .probe = sjoy_probe,
180};
181module_hid_driver(sjoy_driver);
182
183MODULE_LICENSE("GPL");
184MODULE_AUTHOR("Jussi Kivilinna");
185
186
