Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | /* * $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/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 *base; unsigned char *io; char phys[32]; }; static unsigned char vortex_read(struct gameport *gameport) { struct vortex *vortex = gameport->driver; return readb(vortex->io + VORTEX_LEG); } static void vortex_trigger(struct gameport *gameport) { struct vortex *vortex = gameport->driver; writeb(0xff, vortex->io + VORTEX_LEG); } static int vortex_cooked_read(struct gameport *gameport, int *axes, int *buttons) { struct vortex *vortex = gameport->driver; 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->driver; switch (mode) { case GAMEPORT_MODE_COOKED: writeb(0x40, vortex->io + VORTEX_GCR); wait_ms(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; int i; if (!(vortex = kmalloc(sizeof(struct vortex), GFP_KERNEL))) return -1; memset(vortex, 0, sizeof(struct vortex)); vortex->dev = dev; sprintf(vortex->phys, "pci%s/gameport0", dev->slot_name); pci_set_drvdata(dev, vortex); vortex->gameport.driver = vortex; vortex->gameport.fuzz = 64; vortex->gameport.read = vortex_read; vortex->gameport.trigger = vortex_trigger; vortex->gameport.cooked_read = vortex_cooked_read; vortex->gameport.open = vortex_open; vortex->gameport.name = dev->name; vortex->gameport.phys = vortex->phys; vortex->gameport.id.bustype = BUS_PCI; vortex->gameport.id.vendor = dev->vendor; vortex->gameport.id.product = dev->device; for (i = 0; i < 6; i++) if (~pci_resource_flags(dev, i) & IORESOURCE_IO) break; pci_enable_device(dev); vortex->base = ioremap(pci_resource_start(vortex->dev, i), pci_resource_len(vortex->dev, i)); vortex->io = vortex->base + id->driver_data; gameport_register_port(&vortex->gameport); printk(KERN_INFO "gameport: %s at pci%s speed %d kHz\n", dev->name, dev->slot_name, vortex->gameport.speed); 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[] __devinitdata = {{ 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", .id_table = vortex_id_table, .probe = vortex_probe, .remove = vortex_remove, }; int __init vortex_init(void) { return pci_module_init(&vortex_driver); } void __exit vortex_exit(void) { pci_unregister_driver(&vortex_driver); } module_init(vortex_init); module_exit(vortex_exit); |