diff options
Diffstat (limited to 'drivers/input/mouse/maplemouse.c')
| -rw-r--r-- | drivers/input/mouse/maplemouse.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c new file mode 100644 index 000000000000..12dc0ef5020f --- /dev/null +++ b/drivers/input/mouse/maplemouse.c @@ -0,0 +1,134 @@ +/* + * $Id: maplemouse.c,v 1.2 2004/03/22 01:18:15 lethal Exp $ + * SEGA Dreamcast mouse driver + * Based on drivers/usb/usbmouse.c + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/timer.h> +#include <linux/maple.h> + +MODULE_AUTHOR("YAEGASHI Takeshi <t@keshi.org>"); +MODULE_DESCRIPTION("SEGA Dreamcast mouse driver"); + +struct dc_mouse { + struct input_dev dev; + int open; +}; + + +static void dc_mouse_callback(struct mapleq *mq) +{ + int buttons, relx, rely, relz; + struct maple_device *mapledev = mq->dev; + struct dc_mouse *mouse = mapledev->private_data; + struct input_dev *dev = &mouse->dev; + unsigned char *res = mq->recvbuf; + + buttons = ~res[8]; + relx=*(unsigned short *)(res+12)-512; + rely=*(unsigned short *)(res+14)-512; + relz=*(unsigned short *)(res+16)-512; + + input_report_key(dev, BTN_LEFT, buttons&4); + input_report_key(dev, BTN_MIDDLE, buttons&9); + input_report_key(dev, BTN_RIGHT, buttons&2); + input_report_rel(dev, REL_X, relx); + input_report_rel(dev, REL_Y, rely); + input_report_rel(dev, REL_WHEEL, relz); + input_sync(dev); +} + + +static int dc_mouse_open(struct input_dev *dev) +{ + struct dc_mouse *mouse = dev->private; + mouse->open++; + return 0; +} + + +static void dc_mouse_close(struct input_dev *dev) +{ + struct dc_mouse *mouse = dev->private; + mouse->open--; +} + + +static int dc_mouse_connect(struct maple_device *dev) +{ + unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]); + struct dc_mouse *mouse; + + if (!(mouse = kmalloc(sizeof(struct dc_mouse), GFP_KERNEL))) + return -1; + memset(mouse, 0, sizeof(struct dc_mouse)); + + dev->private_data = mouse; + + mouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL); + mouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE); + mouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL); + + init_input_dev(&mouse->dev); + + mouse->dev.private = mouse; + mouse->dev.open = dc_mouse_open; + mouse->dev.close = dc_mouse_close; + mouse->dev.event = NULL; + + mouse->dev.name = dev->product_name; + mouse->dev.id.bustype = BUS_MAPLE; + + input_register_device(&mouse->dev); + + maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE); + + printk(KERN_INFO "input: mouse(0x%lx): %s\n", data, mouse->dev.name); + + return 0; +} + + +static void dc_mouse_disconnect(struct maple_device *dev) +{ + struct dc_mouse *mouse = dev->private_data; + + input_unregister_device(&mouse->dev); + kfree(mouse); +} + + +static struct maple_driver dc_mouse_driver = { + .function = MAPLE_FUNC_MOUSE, + .name = "Dreamcast mouse", + .connect = dc_mouse_connect, + .disconnect = dc_mouse_disconnect, +}; + + +static int __init dc_mouse_init(void) +{ + maple_register_driver(&dc_mouse_driver); + return 0; +} + + +static void __exit dc_mouse_exit(void) +{ + maple_unregister_driver(&dc_mouse_driver); +} + + +module_init(dc_mouse_init); +module_exit(dc_mouse_exit); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |