HID: hid-asus: reset the backlight brightness level on resume
[linux-2.6-microblaze.git] / drivers / hid / hid-sjoy.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Force feedback support for SmartJoy PLUS PS2->USB adapter
4  *
5  *  Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
6  *
7  *  Based of hid-pl.c and hid-gaff.c
8  *   Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
9  *   Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
10  */
11
12 /*
13  */
14
15 /* #define DEBUG */
16
17 #include <linux/input.h>
18 #include <linux/slab.h>
19 #include <linux/hid.h>
20 #include <linux/module.h>
21 #include "hid-ids.h"
22
23 #ifdef CONFIG_SMARTJOYPLUS_FF
24
25 struct sjoyff_device {
26         struct hid_report *report;
27 };
28
29 static int hid_sjoyff_play(struct input_dev *dev, void *data,
30                          struct ff_effect *effect)
31 {
32         struct hid_device *hid = input_get_drvdata(dev);
33         struct sjoyff_device *sjoyff = data;
34         u32 left, right;
35
36         left = effect->u.rumble.strong_magnitude;
37         right = effect->u.rumble.weak_magnitude;
38         dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right);
39
40         left = left * 0xff / 0xffff;
41         right = (right != 0); /* on/off only */
42
43         sjoyff->report->field[0]->value[1] = right;
44         sjoyff->report->field[0]->value[2] = left;
45         dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right);
46         hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
47
48         return 0;
49 }
50
51 static int sjoyff_init(struct hid_device *hid)
52 {
53         struct sjoyff_device *sjoyff;
54         struct hid_report *report;
55         struct hid_input *hidinput;
56         struct list_head *report_list =
57                         &hid->report_enum[HID_OUTPUT_REPORT].report_list;
58         struct list_head *report_ptr = report_list;
59         struct input_dev *dev;
60         int error;
61
62         if (list_empty(report_list)) {
63                 hid_err(hid, "no output reports found\n");
64                 return -ENODEV;
65         }
66
67         list_for_each_entry(hidinput, &hid->inputs, list) {
68                 report_ptr = report_ptr->next;
69
70                 if (report_ptr == report_list) {
71                         hid_err(hid, "required output report is missing\n");
72                         return -ENODEV;
73                 }
74
75                 report = list_entry(report_ptr, struct hid_report, list);
76                 if (report->maxfield < 1) {
77                         hid_err(hid, "no fields in the report\n");
78                         return -ENODEV;
79                 }
80
81                 if (report->field[0]->report_count < 3) {
82                         hid_err(hid, "not enough values in the field\n");
83                         return -ENODEV;
84                 }
85
86                 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL);
87                 if (!sjoyff)
88                         return -ENOMEM;
89
90                 dev = hidinput->input;
91
92                 set_bit(FF_RUMBLE, dev->ffbit);
93
94                 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play);
95                 if (error) {
96                         kfree(sjoyff);
97                         return error;
98                 }
99
100                 sjoyff->report = report;
101                 sjoyff->report->field[0]->value[0] = 0x01;
102                 sjoyff->report->field[0]->value[1] = 0x00;
103                 sjoyff->report->field[0]->value[2] = 0x00;
104                 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
105         }
106
107         hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n");
108
109         return 0;
110 }
111 #else
112 static inline int sjoyff_init(struct hid_device *hid)
113 {
114         return 0;
115 }
116 #endif
117
118 static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id)
119 {
120         int ret;
121
122         hdev->quirks |= id->driver_data;
123
124         ret = hid_parse(hdev);
125         if (ret) {
126                 hid_err(hdev, "parse failed\n");
127                 goto err;
128         }
129
130         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
131         if (ret) {
132                 hid_err(hdev, "hw start failed\n");
133                 goto err;
134         }
135
136         sjoyff_init(hdev);
137
138         return 0;
139 err:
140         return ret;
141 }
142
143 static const struct hid_device_id sjoy_devices[] = {
144         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO),
145                 .driver_data = HID_QUIRK_NOGET },
146         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO),
147                 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
148                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
149         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO),
150                 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
151                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
152         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
153         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
154         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD),
155                 .driver_data = HID_QUIRK_MULTI_INPUT |
156                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
157         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII),
158                 .driver_data = HID_QUIRK_MULTI_INPUT |
159                                HID_QUIRK_SKIP_OUTPUT_REPORTS },
160         { }
161 };
162 MODULE_DEVICE_TABLE(hid, sjoy_devices);
163
164 static struct hid_driver sjoy_driver = {
165         .name = "smartjoyplus",
166         .id_table = sjoy_devices,
167         .probe = sjoy_probe,
168 };
169 module_hid_driver(sjoy_driver);
170
171 MODULE_LICENSE("GPL");
172 MODULE_AUTHOR("Jussi Kivilinna");
173