maplemouse.c (3d5271f9883cba7b54762bc4fe027d4172f06db7) maplemouse.c (03dd5e1ba55d43c3a12b8514f9889049037f17f7)
1/*
1/*
2 * $Id: maplemouse.c,v 1.2 2004/03/22 01:18:15 lethal Exp $
3 * SEGA Dreamcast mouse driver
4 * Based on drivers/usb/usbmouse.c
2 * SEGA Dreamcast mouse driver
3 * Based on drivers/usb/usbmouse.c
4 *
5 * Copyright Yaegashi Takeshi, 2001
6 * Adrian McMenamin, 2008
5 */
6
7#include <linux/kernel.h>
8#include <linux/slab.h>
9#include <linux/input.h>
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/timer.h>
13#include <linux/maple.h>
14
7 */
8
9#include <linux/kernel.h>
10#include <linux/slab.h>
11#include <linux/input.h>
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/timer.h>
15#include <linux/maple.h>
16
15MODULE_AUTHOR("YAEGASHI Takeshi <t@keshi.org>");
17MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk>");
16MODULE_DESCRIPTION("SEGA Dreamcast mouse driver");
18MODULE_DESCRIPTION("SEGA Dreamcast mouse driver");
19MODULE_LICENSE("GPL");
17
20
21struct dc_mouse {
22 struct input_dev *dev;
23 struct maple_device *mdev;
24};
25
18static void dc_mouse_callback(struct mapleq *mq)
19{
20 int buttons, relx, rely, relz;
21 struct maple_device *mapledev = mq->dev;
26static void dc_mouse_callback(struct mapleq *mq)
27{
28 int buttons, relx, rely, relz;
29 struct maple_device *mapledev = mq->dev;
22 struct input_dev *dev = mapledev->private_data;
30 struct dc_mouse *mse = maple_get_drvdata(mapledev);
31 struct input_dev *dev = mse->dev;
23 unsigned char *res = mq->recvbuf;
24
25 buttons = ~res[8];
26 relx = *(unsigned short *)(res + 12) - 512;
27 rely = *(unsigned short *)(res + 14) - 512;
28 relz = *(unsigned short *)(res + 16) - 512;
29
30 input_report_key(dev, BTN_LEFT, buttons & 4);
31 input_report_key(dev, BTN_MIDDLE, buttons & 9);
32 input_report_key(dev, BTN_RIGHT, buttons & 2);
33 input_report_rel(dev, REL_X, relx);
34 input_report_rel(dev, REL_Y, rely);
35 input_report_rel(dev, REL_WHEEL, relz);
36 input_sync(dev);
37}
38
32 unsigned char *res = mq->recvbuf;
33
34 buttons = ~res[8];
35 relx = *(unsigned short *)(res + 12) - 512;
36 rely = *(unsigned short *)(res + 14) - 512;
37 relz = *(unsigned short *)(res + 16) - 512;
38
39 input_report_key(dev, BTN_LEFT, buttons & 4);
40 input_report_key(dev, BTN_MIDDLE, buttons & 9);
41 input_report_key(dev, BTN_RIGHT, buttons & 2);
42 input_report_rel(dev, REL_X, relx);
43 input_report_rel(dev, REL_Y, rely);
44 input_report_rel(dev, REL_WHEEL, relz);
45 input_sync(dev);
46}
47
39static int dc_mouse_connect(struct maple_device *dev)
48static int dc_mouse_open(struct input_dev *dev)
40{
49{
41 unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);
50 struct dc_mouse *mse = dev->dev.platform_data;
51
52 maple_getcond_callback(mse->mdev, dc_mouse_callback, HZ/50,
53 MAPLE_FUNC_MOUSE);
54
55 return 0;
56}
57
58static void dc_mouse_close(struct input_dev *dev)
59{
60 struct dc_mouse *mse = dev->dev.platform_data;
61
62 maple_getcond_callback(mse->mdev, dc_mouse_callback, 0,
63 MAPLE_FUNC_MOUSE);
64}
65
66
67static int __devinit probe_maple_mouse(struct device *dev)
68{
69 struct maple_device *mdev = to_maple_dev(dev);
70 struct maple_driver *mdrv = to_maple_driver(dev->driver);
42 struct input_dev *input_dev;
71 struct input_dev *input_dev;
72 struct dc_mouse *mse;
73 int error;
43
74
44 dev->private_data = input_dev = input_allocate_device();
45 if (!input_dev)
46 return -ENOMEM;
75 mse = kzalloc(sizeof(struct dc_mouse), GFP_KERNEL);
76 input_dev = input_allocate_device();
47
77
48 dev->private_data = input_dev;
78 if (!mse || !input_dev) {
79 error = -ENOMEM;
80 goto fail;
81 }
49
82
50 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
51 input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
52 input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
83 mse->dev = input_dev;
84 mse->mdev = mdev;
53
85
54 input_dev->name = dev->product_name;
55 input_dev->id.bustype = BUS_MAPLE;
86 input_set_drvdata(input_dev, mse);
87 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
88 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
89 BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
90 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y) |
91 BIT_MASK(REL_WHEEL);
92 input_dev->name = mdev->product_name;
93 input_dev->id.bustype = BUS_HOST;
94 input_dev->open = dc_mouse_open;
95 input_dev->close = dc_mouse_close;
56
96
57 input_register_device(input_dev);
97 mdev->driver = mdrv;
98 maple_set_drvdata(mdev, mse);
58
99
59 maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE);
100 error = input_register_device(input_dev);
101 if (error)
102 goto fail;
60
61 return 0;
103
104 return 0;
105
106fail:
107 input_free_device(input_dev);
108 maple_set_drvdata(mdev, NULL);
109 kfree(mse);
110 mdev->driver = NULL;
111 return error;
62}
63
112}
113
64
65static void dc_mouse_disconnect(struct maple_device *dev)
114static int __devexit remove_maple_mouse(struct device *dev)
66{
115{
67 struct input_dev *input_dev = dev->private_data;
116 struct maple_device *mdev = to_maple_dev(dev);
117 struct dc_mouse *mse = maple_get_drvdata(mdev);
68
118
69 input_unregister_device(input_dev);
119 mdev->callback = NULL;
120 input_unregister_device(mse->dev);
121 maple_set_drvdata(mdev, NULL);
122 kfree(mse);
123
124 return 0;
70}
71
125}
126
72
73static struct maple_driver dc_mouse_driver = {
74 .function = MAPLE_FUNC_MOUSE,
127static struct maple_driver dc_mouse_driver = {
128 .function = MAPLE_FUNC_MOUSE,
75 .name = "Dreamcast mouse",
76 .connect = dc_mouse_connect,
77 .disconnect = dc_mouse_disconnect,
129 .drv = {
130 .name = "Dreamcast_mouse",
131 .probe = probe_maple_mouse,
132 .remove = __devexit_p(remove_maple_mouse),
133 },
78};
79
134};
135
80
81static int __init dc_mouse_init(void)
82{
136static int __init dc_mouse_init(void)
137{
83 maple_register_driver(&dc_mouse_driver);
84 return 0;
138 return maple_driver_register(&dc_mouse_driver);
85}
86
139}
140
87
88static void __exit dc_mouse_exit(void)
89{
141static void __exit dc_mouse_exit(void)
142{
90 maple_unregister_driver(&dc_mouse_driver);
143 maple_driver_unregister(&dc_mouse_driver);
91}
92
144}
145
93
94module_init(dc_mouse_init);
95module_exit(dc_mouse_exit);
146module_init(dc_mouse_init);
147module_exit(dc_mouse_exit);
96
97/*
98 * Local variables:
99 * c-basic-offset: 8
100 * End:
101 */