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Diffstat (limited to 'drivers/input/mouse/maplemouse.c')
-rw-r--r--drivers/input/mouse/maplemouse.c134
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:
+ */