[Linuxconsole-commit]CVS: ruby/linux/drivers/input/gameport fm801-gp.c,NONE,1.1

[James S. <jsi...@us...>]

Update of /cvsroot/linuxconsole/ruby/linux/drivers/input/gameport
In directory usw-pr-cvs1:/tmp/cvs-serv17374

Added Files:
	fm801-gp.c 
Log Message:
Moving files around.

--- NEW FILE: fm801-gp.c ---
/*
 *  FM801 gameport driver for Linux
 *
 *  Copyright (c) by Takashi Iwai <ti...@su...>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <asm/io.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gameport.h>

#define PCI_VENDOR_ID_FORTEMEDIA	0x1319
#define PCI_DEVICE_ID_FM801_GP	0x0802

#define HAVE_COOKED

struct fm801_gp {
	struct gameport gameport;
	struct resource *res_port;
};

#ifdef HAVE_COOKED
static int fm801_gp_cooked_read(struct gameport *gameport, int *axes, int *buttons)
{
	unsigned short w;

	w = inw(gameport->io + 2);
	*buttons = (~w >> 14) & 0x03;
	axes[0] = (w == 0xffff) ? -1 : ((w & 0x1fff) << 5);
	w = inw(gameport->io + 4);
	axes[1] = (w == 0xffff) ? -1 : ((w & 0x1fff) << 5);
	w = inw(gameport->io + 6);
	*buttons |= ((~w >> 14) & 0x03) << 2;
	axes[2] = (w == 0xffff) ? -1 : ((w & 0x1fff) << 5);
	w = inw(gameport->io + 8);
	axes[3] = (w == 0xffff) ? -1 : ((w & 0x1fff) << 5);
	outw(0xff, gameport->io); /* reset */

        return 0;
}
#endif

static int fm801_gp_open(struct gameport *gameport, int mode)
{
	switch (mode) {
#ifdef HAVE_COOKED
	case GAMEPORT_MODE_COOKED:
		return 0;
#endif
	case GAMEPORT_MODE_RAW:
		return 0;
	default:
		return -1;
	}

	return 0;
}

static int __devinit fm801_gp_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
	struct fm801_gp *gp;

	if (! (gp = kmalloc(sizeof(*gp), GFP_KERNEL))) {
		printk("cannot malloc for fm801-gp\n");
		return -1;
	}
	memset(gp, 0, sizeof(*gp));

	gp->gameport.open = fm801_gp_open;
#ifdef HAVE_COOKED
	gp->gameport.cooked_read = fm801_gp_cooked_read;
#endif

	pci_enable_device(pci);
	gp->gameport.io = pci_resource_start(pci, 0);
	if ((gp->res_port = request_region(gp->gameport.io, 0x10, "FM801 GP")) == NULL) {
		printk("unable to grab region 0x%x-0x%x\n", gp->gameport.io, gp->gameport.io + 0x0f);
		return -1;
	}

	pci_set_drvdata(pci, gp);
	gameport_register_port(&gp->gameport);
	
	outb(0x60, gp->gameport.io + 0x0d); /* enable joystick 1 and 2 */ 

	printk(KERN_INFO "gameport%d: %s at pci%02x:%02x.%x speed %d kHz\n",
	       gp->gameport.number, pci->name, pci->bus->number,
	       PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn), gp->gameport.speed);
	
	return 0;
}

static void __devexit fm801_gp_remove(struct pci_dev *pci)
{
	struct fm801_gp *gp = pci_get_drvdata(pci);
	if (gp) {
		gameport_unregister_port(&gp->gameport);
		release_resource(gp->res_port);
		kfree(gp);
	}
}

static struct pci_device_id fm801_gp_id_table[] __devinitdata = {
	{ PCI_VENDOR_ID_FORTEMEDIA, PCI_DEVICE_ID_FM801_GP, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0  },
	{ 0 }
};

static struct pci_driver fm801_gp_driver = {
	name:		"FM801 GP",
	id_table:	fm801_gp_id_table,
	probe:		fm801_gp_probe,
	remove:		fm801_gp_remove,
};

int __init fm801_gp_init(void)
{
	return pci_module_init(&fm801_gp_driver);
}

void __exit fm801_gp_exit(void)
{
	pci_unregister_driver(&fm801_gp_driver);
}

module_init(fm801_gp_init);
module_exit(fm801_gp_exit);

MODULE_DEVICE_TABLE(pci, fm801_gp_id_table);

MODULE_AUTHOR("Takashi Iwai <ti...@su...>");
MODULE_LICENSE("GPL");