Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753550AbYL2VbR (ORCPT ); Mon, 29 Dec 2008 16:31:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752644AbYL2VbB (ORCPT ); Mon, 29 Dec 2008 16:31:01 -0500 Received: from mk-filter-2-a-1.mail.uk.tiscali.com ([212.74.100.53]:6797 "EHLO mk-filter-2-a-1.mail.uk.tiscali.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751850AbYL2VbA (ORCPT ); Mon, 29 Dec 2008 16:31:00 -0500 X-Trace: 124233273/mk-filter-2.mail.uk.tiscali.com/B2C/$b2c-THROTTLED-DYNAMIC/b2c-CUSTOMER-DYNAMIC-IP/80.44.176.224/None/adrian@newgolddream.dyndns.info X-SBRS: None X-RemoteIP: 80.44.176.224 X-IP-MAIL-FROM: adrian@newgolddream.dyndns.info X-MUA: Evolution 2.24.2 X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEAJ/QWElQLLDg/2dsb2JhbACBbLt3WI9+hkQ X-IronPort-AV: E=Sophos;i="4.36,297,1228089600"; d="scan'208";a="124233273" Subject: Re: [PATCH] sh: maple: add support for the Maple mouse on the SEGA Dreamcast From: Adrian McMenamin To: Mike Frysinger Cc: LKML , Dmitry Torokhov , linux-sh , linux-input , Andrew Morton , Paul Mundt In-Reply-To: <200812291602.18572.vapier@gentoo.org> References: <1230578246.6496.25.camel@localhost.localdomain> <200812291602.18572.vapier@gentoo.org> Content-Type: text/plain Date: Mon, 29 Dec 2008 21:30:14 +0000 Message-Id: <1230586215.6496.28.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.24.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4887 Lines: 184 Adding support for Maple mouse Signed-off-by: Adrian McMenamin --- diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 4e99342..71cc98a 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -286,4 +286,15 @@ config MOUSE_GPIO To compile this driver as a module, choose M here: the module will be called gpio_mouse. +config MOUSE_MAPLE + tristate "Maple mouse (for the Dreamcast)" + depends on MAPLE + help + This driver supports the Maple mouse on the SEGA Dreamcast. + + Most Dreamcast users, who have a mouse, will say Y here. + + To compile this driver as a module choose M here: the module will be + called maplemouse. + endif diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 96f1dd8..0272f5d 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o +obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o psmouse-objs := psmouse-base.o synaptics.o diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c new file mode 100644 index 0000000..1c0830b --- /dev/null +++ b/drivers/input/mouse/maplemouse.c @@ -0,0 +1,135 @@ +/* + * SEGA Dreamcast mouse driver + * Based on drivers/usb/usbmouse.c + * + * Copyright Yaegashi Takeshi, 2001 + * Adrian McMenamin, 2008 + */ + +#include +#include +#include +#include +#include +#include +#include + +MODULE_AUTHOR("Adrian McMenamin "); +MODULE_DESCRIPTION("SEGA Dreamcast mouse driver"); +MODULE_LICENSE("GPL"); + +struct dc_mouse { + struct input_dev *dev; + struct maple_device *mdev; +}; + +static void dc_mouse_callback(struct mapleq *mq) +{ + int buttons, relx, rely, relz; + struct maple_device *mapledev = mq->dev; + struct dc_mouse *mse = maple_get_drvdata(mapledev); + struct input_dev *dev = mse->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); +} + +/* allow the mouse to be used */ +static int __devinit probe_maple_mouse(struct device *dev) +{ + struct maple_device *mdev; + struct maple_driver *mdrv; + int error; + struct input_dev *input_dev; + struct dc_mouse *mse; + + mdev = to_maple_dev(dev); + mdrv = to_maple_driver(dev->driver); + + mse = kzalloc(sizeof(struct dc_mouse), GFP_KERNEL); + if (!mse) { + error = -ENOMEM; + goto fail; + } + + input_dev = input_allocate_device(); + if (!input_dev) { + error = -ENOMEM; + goto fail_nomem; + } + + mse->dev = input_dev; + mse->mdev = mdev; + + input_set_drvdata(input_dev, mse); + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | + BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); + input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y) | + BIT_MASK(REL_WHEEL); + input_dev->name = mdev->product_name; + input_dev->id.bustype = BUS_HOST; + error = input_register_device(input_dev); + if (error) + goto fail_register; + + mdev->driver = mdrv; + maple_set_drvdata(mdev, mse); + + maple_getcond_callback(mdev, dc_mouse_callback, HZ/50, + MAPLE_FUNC_MOUSE); + + return error; + +fail_register: + input_free_device(input_dev); +fail_nomem: + kfree(mse); +fail: + return error; +} + +static int __devexit remove_maple_mouse(struct device *dev) +{ + struct maple_device *mdev = to_maple_dev(dev); + struct dc_mouse *mse = maple_get_drvdata(mdev); + + mdev->callback = NULL; + input_unregister_device(mse->dev); + maple_set_drvdata(mdev, NULL); + kfree(mse); + return 0; +} + +static struct maple_driver dc_mouse_driver = { + .function = MAPLE_FUNC_MOUSE, + .drv = { + .name = "Dreamcast_mouse", + .probe = probe_maple_mouse, + .remove = remove_maple_mouse, + }, +}; + +static int __init dc_mouse_init(void) +{ + return maple_driver_register(&dc_mouse_driver); +} + +static void __exit dc_mouse_exit(void) +{ + maple_driver_unregister(&dc_mouse_driver); +} + +module_init(dc_mouse_init); +module_exit(dc_mouse_exit); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/