diff options
Diffstat (limited to 'drivers/input/gameport/emu10k1-gp.c')
| -rw-r--r-- | drivers/input/gameport/emu10k1-gp.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/input/gameport/emu10k1-gp.c b/drivers/input/gameport/emu10k1-gp.c new file mode 100644 index 000000000..2909e9561 --- /dev/null +++ b/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); |