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path: root/drivers/input/gameport/vortex.c
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Diffstat (limited to 'drivers/input/gameport/vortex.c')
-rw-r--r--drivers/input/gameport/vortex.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/input/gameport/vortex.c b/drivers/input/gameport/vortex.c
new file mode 100644
index 00000000000..36b0309c8bf
--- /dev/null
+++ b/drivers/input/gameport/vortex.c
@@ -0,0 +1,186 @@
+/*
+ * $Id: vortex.c,v 1.5 2002/07/01 15:39:30 vojtech Exp $
+ *
+ * Copyright (c) 2000-2001 Vojtech Pavlik
+ *
+ * Based on the work of:
+ * Raymond Ingles
+ */
+
+/*
+ * Trident 4DWave and Aureal Vortex gameport driver for Linux
+ */
+
+/*
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Should you need to contact me, the author, you can do so either by
+ * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#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/delay.h>
+#include <linux/gameport.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION("Aureal Vortex and Vortex2 gameport driver");
+MODULE_LICENSE("GPL");
+
+#define VORTEX_GCR 0x0c /* Gameport control register */
+#define VORTEX_LEG 0x08 /* Legacy port location */
+#define VORTEX_AXD 0x10 /* Axes start */
+#define VORTEX_DATA_WAIT 20 /* 20 ms */
+
+struct vortex {
+ struct gameport *gameport;
+ struct pci_dev *dev;
+ unsigned char __iomem *base;
+ unsigned char __iomem *io;
+};
+
+static unsigned char vortex_read(struct gameport *gameport)
+{
+ struct vortex *vortex = gameport->port_data;
+ return readb(vortex->io + VORTEX_LEG);
+}
+
+static void vortex_trigger(struct gameport *gameport)
+{
+ struct vortex *vortex = gameport->port_data;
+ writeb(0xff, vortex->io + VORTEX_LEG);
+}
+
+static int vortex_cooked_read(struct gameport *gameport, int *axes, int *buttons)
+{
+ struct vortex *vortex = gameport->port_data;
+ int i;
+
+ *buttons = (~readb(vortex->base + VORTEX_LEG) >> 4) & 0xf;
+
+ for (i = 0; i < 4; i++) {
+ axes[i] = readw(vortex->io + VORTEX_AXD + i * sizeof(u32));
+ if (axes[i] == 0x1fff) axes[i] = -1;
+ }
+
+ return 0;
+}
+
+static int vortex_open(struct gameport *gameport, int mode)
+{
+ struct vortex *vortex = gameport->port_data;
+
+ switch (mode) {
+ case GAMEPORT_MODE_COOKED:
+ writeb(0x40, vortex->io + VORTEX_GCR);
+ msleep(VORTEX_DATA_WAIT);
+ return 0;
+ case GAMEPORT_MODE_RAW:
+ writeb(0x00, vortex->io + VORTEX_GCR);
+ return 0;
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+static int __devinit vortex_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ struct vortex *vortex;
+ struct gameport *port;
+ int i;
+
+ vortex = kcalloc(1, sizeof(struct vortex), GFP_KERNEL);
+ port = gameport_allocate_port();
+ if (!vortex || !port) {
+ printk(KERN_ERR "vortex: Memory allocation failed.\n");
+ kfree(vortex);
+ gameport_free_port(port);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < 6; i++)
+ if (~pci_resource_flags(dev, i) & IORESOURCE_IO)
+ break;
+
+ pci_enable_device(dev);
+
+ vortex->dev = dev;
+ vortex->gameport = port;
+ vortex->base = ioremap(pci_resource_start(vortex->dev, i),
+ pci_resource_len(vortex->dev, i));
+ vortex->io = vortex->base + id->driver_data;
+
+ pci_set_drvdata(dev, vortex);
+
+ port->port_data = vortex;
+ port->fuzz = 64;
+
+ gameport_set_name(port, "AU88x0");
+ gameport_set_phys(port, "pci%s/gameport0", pci_name(dev));
+ port->dev.parent = &dev->dev;
+ port->read = vortex_read;
+ port->trigger = vortex_trigger;
+ port->cooked_read = vortex_cooked_read;
+ port->open = vortex_open;
+
+ gameport_register_port(port);
+
+ return 0;
+}
+
+static void __devexit vortex_remove(struct pci_dev *dev)
+{
+ struct vortex *vortex = pci_get_drvdata(dev);
+
+ gameport_unregister_port(vortex->gameport);
+ iounmap(vortex->base);
+ kfree(vortex);
+}
+
+static struct pci_device_id vortex_id_table[] = {
+ { 0x12eb, 0x0001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0x11000 },
+ { 0x12eb, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0x28800 },
+ { 0 }
+};
+
+static struct pci_driver vortex_driver = {
+ .name = "vortex_gameport",
+ .id_table = vortex_id_table,
+ .probe = vortex_probe,
+ .remove = __devexit_p(vortex_remove),
+};
+
+static int __init vortex_init(void)
+{
+ return pci_register_driver(&vortex_driver);
+}
+
+static void __exit vortex_exit(void)
+{
+ pci_unregister_driver(&vortex_driver);
+}
+
+module_init(vortex_init);
+module_exit(vortex_exit);