init android origin source code

1 files changed, 172 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/drivers/input/gameport/fm801-gp.c b/ANDROID_3.4.5/drivers/input/gameport/fm801-gp.c
new file mode 100644
index 00000000..a3b70ff2
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/input/gameport/fm801-gp.c
@@ -0,0 +1,172 @@
+/*
+ *  FM801 gameport driver for Linux
+ *
+ *  Copyright (c) by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *   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;
+	struct gameport *port;
+	int error;
+
+	gp = kzalloc(sizeof(struct fm801_gp), GFP_KERNEL);
+	port = gameport_allocate_port();
+	if (!gp || !port) {
+		printk(KERN_ERR "fm801-gp: Memory allocation failed\n");
+		error = -ENOMEM;
+		goto err_out_free;
+	}
+
+	error = pci_enable_device(pci);
+	if (error)
+		goto err_out_free;
+
+	port->open = fm801_gp_open;
+#ifdef HAVE_COOKED
+	port->cooked_read = fm801_gp_cooked_read;
+#endif
+	gameport_set_name(port, "FM801");
+	gameport_set_phys(port, "pci%s/gameport0", pci_name(pci));
+	port->dev.parent = &pci->dev;
+	port->io = pci_resource_start(pci, 0);
+
+	gp->gameport = port;
+	gp->res_port = request_region(port->io, 0x10, "FM801 GP");
+	if (!gp->res_port) {
+		printk(KERN_DEBUG "fm801-gp: unable to grab region 0x%x-0x%x\n",
+			port->io, port->io + 0x0f);
+		error = -EBUSY;
+		goto err_out_disable_dev;
+	}
+
+	pci_set_drvdata(pci, gp);
+
+	outb(0x60, port->io + 0x0d); /* enable joystick 1 and 2 */
+	gameport_register_port(port);
+
+	return 0;
+
+ err_out_disable_dev:
+	pci_disable_device(pci);
+ err_out_free:
+	gameport_free_port(port);
+	kfree(gp);
+	return error;
+}
+
+static void __devexit fm801_gp_remove(struct pci_dev *pci)
+{
+	struct fm801_gp *gp = pci_get_drvdata(pci);
+
+	gameport_unregister_port(gp->gameport);
+	release_resource(gp->res_port);
+	kfree(gp);
+
+	pci_disable_device(pci);
+}
+
+static const struct pci_device_id fm801_gp_id_table[] = {
+	{ 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_gameport",
+	.id_table =	fm801_gp_id_table,
+	.probe =	fm801_gp_probe,
+	.remove =	__devexit_p(fm801_gp_remove),
+};
+
+static int __init fm801_gp_init(void)
+{
+	return pci_register_driver(&fm801_gp_driver);
+}
+
+static 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_DESCRIPTION("FM801 gameport driver");
+MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
+MODULE_LICENSE("GPL");