Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * drivers/macintosh/mac_hid.c | |
3 | * | |
4 | * HID support stuff for Macintosh computers. | |
5 | * | |
6 | * Copyright (C) 2000 Franz Sirl. | |
7 | * | |
8 | * This file will soon be removed in favor of an uinput userspace tool. | |
9 | */ | |
10 | ||
11 | #include <linux/config.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/proc_fs.h> | |
14 | #include <linux/sysctl.h> | |
15 | #include <linux/input.h> | |
16 | #include <linux/module.h> | |
17 | ||
18 | ||
c7f7a569 DT |
19 | static struct input_dev *emumousebtn; |
20 | static int emumousebtn_input_register(void); | |
1da177e4 LT |
21 | static int mouse_emulate_buttons = 0; |
22 | static int mouse_button2_keycode = KEY_RIGHTCTRL; /* right control key */ | |
23 | static int mouse_button3_keycode = KEY_RIGHTALT; /* right option key */ | |
24 | static int mouse_last_keycode = 0; | |
25 | ||
26 | #if defined(CONFIG_SYSCTL) | |
27 | /* file(s) in /proc/sys/dev/mac_hid */ | |
28 | ctl_table mac_hid_files[] = { | |
29 | { | |
30 | .ctl_name = DEV_MAC_HID_MOUSE_BUTTON_EMULATION, | |
31 | .procname = "mouse_button_emulation", | |
32 | .data = &mouse_emulate_buttons, | |
33 | .maxlen = sizeof(int), | |
34 | .mode = 0644, | |
35 | .proc_handler = &proc_dointvec, | |
36 | }, | |
37 | { | |
38 | .ctl_name = DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE, | |
39 | .procname = "mouse_button2_keycode", | |
40 | .data = &mouse_button2_keycode, | |
41 | .maxlen = sizeof(int), | |
42 | .mode = 0644, | |
43 | .proc_handler = &proc_dointvec, | |
44 | }, | |
45 | { | |
46 | .ctl_name = DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE, | |
47 | .procname = "mouse_button3_keycode", | |
48 | .data = &mouse_button3_keycode, | |
49 | .maxlen = sizeof(int), | |
50 | .mode = 0644, | |
51 | .proc_handler = &proc_dointvec, | |
52 | }, | |
53 | { .ctl_name = 0 } | |
54 | }; | |
55 | ||
56 | /* dir in /proc/sys/dev */ | |
57 | ctl_table mac_hid_dir[] = { | |
58 | { | |
59 | .ctl_name = DEV_MAC_HID, | |
60 | .procname = "mac_hid", | |
61 | .maxlen = 0, | |
62 | .mode = 0555, | |
63 | .child = mac_hid_files, | |
64 | }, | |
65 | { .ctl_name = 0 } | |
66 | }; | |
67 | ||
68 | /* /proc/sys/dev itself, in case that is not there yet */ | |
69 | ctl_table mac_hid_root_dir[] = { | |
70 | { | |
71 | .ctl_name = CTL_DEV, | |
72 | .procname = "dev", | |
73 | .maxlen = 0, | |
74 | .mode = 0555, | |
75 | .child = mac_hid_dir, | |
76 | }, | |
77 | { .ctl_name = 0 } | |
78 | }; | |
79 | ||
80 | static struct ctl_table_header *mac_hid_sysctl_header; | |
81 | ||
82 | #endif /* endif CONFIG_SYSCTL */ | |
83 | ||
84 | int mac_hid_mouse_emulate_buttons(int caller, unsigned int keycode, int down) | |
85 | { | |
86 | switch (caller) { | |
87 | case 1: | |
88 | /* Called from keyboard.c */ | |
89 | if (mouse_emulate_buttons | |
90 | && (keycode == mouse_button2_keycode | |
91 | || keycode == mouse_button3_keycode)) { | |
92 | if (mouse_emulate_buttons == 1) { | |
c7f7a569 | 93 | input_report_key(emumousebtn, |
1da177e4 LT |
94 | keycode == mouse_button2_keycode ? BTN_MIDDLE : BTN_RIGHT, |
95 | down); | |
c7f7a569 | 96 | input_sync(emumousebtn); |
1da177e4 LT |
97 | return 1; |
98 | } | |
99 | mouse_last_keycode = down ? keycode : 0; | |
100 | } | |
101 | break; | |
102 | } | |
103 | return 0; | |
104 | } | |
105 | ||
106 | EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons); | |
107 | ||
c7f7a569 | 108 | static int emumousebtn_input_register(void) |
1da177e4 | 109 | { |
c7f7a569 DT |
110 | emumousebtn = input_allocate_device(); |
111 | if (!emumousebtn) | |
112 | return -ENOMEM; | |
1da177e4 | 113 | |
c7f7a569 DT |
114 | emumousebtn->name = "Macintosh mouse button emulation"; |
115 | emumousebtn->id.bustype = BUS_ADB; | |
116 | emumousebtn->id.vendor = 0x0001; | |
117 | emumousebtn->id.product = 0x0001; | |
118 | emumousebtn->id.version = 0x0100; | |
1da177e4 | 119 | |
c7f7a569 DT |
120 | emumousebtn->evbit[0] = BIT(EV_KEY) | BIT(EV_REL); |
121 | emumousebtn->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); | |
122 | emumousebtn->relbit[0] = BIT(REL_X) | BIT(REL_Y); | |
1da177e4 | 123 | |
c7f7a569 | 124 | input_register_device(emumousebtn); |
1da177e4 | 125 | |
c7f7a569 | 126 | return 0; |
1da177e4 LT |
127 | } |
128 | ||
129 | int __init mac_hid_init(void) | |
130 | { | |
c7f7a569 | 131 | int err; |
1da177e4 | 132 | |
c7f7a569 DT |
133 | err = emumousebtn_input_register(); |
134 | if (err) | |
135 | return err; | |
1da177e4 LT |
136 | |
137 | #if defined(CONFIG_SYSCTL) | |
138 | mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 1); | |
139 | #endif /* CONFIG_SYSCTL */ | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | device_initcall(mac_hid_init); |