ia64/linux-2.6.18-xen.hg

view drivers/macintosh/mac_hid.c @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
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 */
11 #include <linux/init.h>
12 #include <linux/proc_fs.h>
13 #include <linux/sysctl.h>
14 #include <linux/input.h>
15 #include <linux/module.h>
18 static struct input_dev *emumousebtn;
19 static int emumousebtn_input_register(void);
20 static int mouse_emulate_buttons = 0;
21 static int mouse_button2_keycode = KEY_RIGHTCTRL; /* right control key */
22 static int mouse_button3_keycode = KEY_RIGHTALT; /* right option key */
23 static int mouse_last_keycode = 0;
25 #if defined(CONFIG_SYSCTL)
26 /* file(s) in /proc/sys/dev/mac_hid */
27 ctl_table mac_hid_files[] = {
28 {
29 .ctl_name = DEV_MAC_HID_MOUSE_BUTTON_EMULATION,
30 .procname = "mouse_button_emulation",
31 .data = &mouse_emulate_buttons,
32 .maxlen = sizeof(int),
33 .mode = 0644,
34 .proc_handler = &proc_dointvec,
35 },
36 {
37 .ctl_name = DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE,
38 .procname = "mouse_button2_keycode",
39 .data = &mouse_button2_keycode,
40 .maxlen = sizeof(int),
41 .mode = 0644,
42 .proc_handler = &proc_dointvec,
43 },
44 {
45 .ctl_name = DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE,
46 .procname = "mouse_button3_keycode",
47 .data = &mouse_button3_keycode,
48 .maxlen = sizeof(int),
49 .mode = 0644,
50 .proc_handler = &proc_dointvec,
51 },
52 { .ctl_name = 0 }
53 };
55 /* dir in /proc/sys/dev */
56 ctl_table mac_hid_dir[] = {
57 {
58 .ctl_name = DEV_MAC_HID,
59 .procname = "mac_hid",
60 .maxlen = 0,
61 .mode = 0555,
62 .child = mac_hid_files,
63 },
64 { .ctl_name = 0 }
65 };
67 /* /proc/sys/dev itself, in case that is not there yet */
68 ctl_table mac_hid_root_dir[] = {
69 {
70 .ctl_name = CTL_DEV,
71 .procname = "dev",
72 .maxlen = 0,
73 .mode = 0555,
74 .child = mac_hid_dir,
75 },
76 { .ctl_name = 0 }
77 };
79 static struct ctl_table_header *mac_hid_sysctl_header;
81 #endif /* endif CONFIG_SYSCTL */
83 int mac_hid_mouse_emulate_buttons(int caller, unsigned int keycode, int down)
84 {
85 switch (caller) {
86 case 1:
87 /* Called from keyboard.c */
88 if (mouse_emulate_buttons
89 && (keycode == mouse_button2_keycode
90 || keycode == mouse_button3_keycode)) {
91 if (mouse_emulate_buttons == 1) {
92 input_report_key(emumousebtn,
93 keycode == mouse_button2_keycode ? BTN_MIDDLE : BTN_RIGHT,
94 down);
95 input_sync(emumousebtn);
96 return 1;
97 }
98 mouse_last_keycode = down ? keycode : 0;
99 }
100 break;
101 }
102 return 0;
103 }
105 EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons);
107 static int emumousebtn_input_register(void)
108 {
109 emumousebtn = input_allocate_device();
110 if (!emumousebtn)
111 return -ENOMEM;
113 emumousebtn->name = "Macintosh mouse button emulation";
114 emumousebtn->id.bustype = BUS_ADB;
115 emumousebtn->id.vendor = 0x0001;
116 emumousebtn->id.product = 0x0001;
117 emumousebtn->id.version = 0x0100;
119 emumousebtn->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
120 emumousebtn->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
121 emumousebtn->relbit[0] = BIT(REL_X) | BIT(REL_Y);
123 input_register_device(emumousebtn);
125 return 0;
126 }
128 int __init mac_hid_init(void)
129 {
130 int err;
132 err = emumousebtn_input_register();
133 if (err)
134 return err;
136 #if defined(CONFIG_SYSCTL)
137 mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 1);
138 #endif /* CONFIG_SYSCTL */
140 return 0;
141 }
143 device_initcall(mac_hid_init);