Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / input / gameport / emu10k1-gp.c

diff --git a/kernel/drivers/input/gameport/emu10k1-gp.c b/kernel/drivers/input/gameport/emu10k1-gp.c
new file mode 100644 (file)
index 0000000..2909e95
--- /dev/null
+++ b/kernel/drivers/input/gameport/emu10k1-gp.c
@@ -0,0 +1,127 @@
+/*
+ *  Copyright (c) 2001 Vojtech Pavlik
+ */
+
+/*
+ * EMU10k1 - SB Live / Audigy - 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/module.h>
+#include <linux/ioport.h>
+#include <linux/gameport.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION("EMU10k1 gameport driver");
+MODULE_LICENSE("GPL");
+
+struct emu {
+       struct pci_dev *dev;
+       struct gameport *gameport;
+       int io;
+       int size;
+};
+
+static const struct pci_device_id emu_tbl[] = {
+
+       { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
+       { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
+       { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
+       { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
+       { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, emu_tbl);
+
+static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+       struct emu *emu;
+       struct gameport *port;
+       int error;
+
+       emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
+       port = gameport_allocate_port();
+       if (!emu || !port) {
+               printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
+               error = -ENOMEM;
+               goto err_out_free;
+       }
+
+       error = pci_enable_device(pdev);
+       if (error)
+               goto err_out_free;
+
+       emu->io = pci_resource_start(pdev, 0);
+       emu->size = pci_resource_len(pdev, 0);
+
+       emu->dev = pdev;
+       emu->gameport = port;
+
+       gameport_set_name(port, "EMU10K1");
+       gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
+       port->dev.parent = &pdev->dev;
+       port->io = emu->io;
+
+       if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
+               printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
+                       emu->io, emu->io + emu->size - 1);
+               error = -EBUSY;
+               goto err_out_disable_dev;
+       }
+
+       pci_set_drvdata(pdev, emu);
+
+       gameport_register_port(port);
+
+       return 0;
+
+ err_out_disable_dev:
+       pci_disable_device(pdev);
+ err_out_free:
+       gameport_free_port(port);
+       kfree(emu);
+       return error;
+}
+
+static void emu_remove(struct pci_dev *pdev)
+{
+       struct emu *emu = pci_get_drvdata(pdev);
+
+       gameport_unregister_port(emu->gameport);
+       release_region(emu->io, emu->size);
+       kfree(emu);
+
+       pci_disable_device(pdev);
+}
+
+static struct pci_driver emu_driver = {
+        .name =         "Emu10k1_gameport",
+        .id_table =     emu_tbl,
+        .probe =        emu_probe,
+       .remove =       emu_remove,
+};
+
+module_pci_driver(emu_driver);