patch-2.4.0-test2 linux/drivers/char/joystick/joy-pci.c
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- Lines: 274
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.0-test1/linux/drivers/char/joystick/joy-pci.c
- Orig date:
Wed Dec 8 14:11:26 1999
diff -u --recursive --new-file v2.4.0-test1/linux/drivers/char/joystick/joy-pci.c linux/drivers/char/joystick/joy-pci.c
@@ -1,273 +0,0 @@
-/*
- * joy-pci.c Version 0.4.0
- *
- * Copyright (c) 1999 Raymond Ingles
- * Copyright (c) 1999 Vojtech Pavlik
- *
- * Sponsored by SuSE
- */
-
-/*
- * This is a module for the Linux joystick driver, supporting the
- * gameports on Trident 4DWave and Aureal Vortex soundcards, and
- * analog joysticks connected to them.
- */
-
-/*
- * 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, Ucitelska 1576, Prague 8, 182 00 Czech Republic
- */
-
-#include <asm/io.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/joystick.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/pci.h>
-#include <linux/pci_ids.h>
-#include <linux/init.h>
-
-MODULE_AUTHOR("Raymond Ingles <sorceror@tir.com>");
-MODULE_PARM(js_pci, "3-32i");
-
-#define NUM_CARDS 8
-static int js_pci[NUM_CARDS * 4] __initdata = { -1,0,0,0,-1,0,0,0,-1,0,0,0,-1,0,0,0,
- -1,0,0,0,-1,0,0,0,-1,0,0,0,-1,0,0,0 };
-
-static struct js_port * js_pci_port __initdata = NULL;
-
-#include "joy-analog.h"
-
-struct js_pci_info;
-typedef void (*js_pci_func)(struct js_pci_info *);
-
-struct js_pci_data {
- int vendor; /* PCI Vendor ID */
- int model; /* PCI Model ID */
- int size; /* Memory / IO region size */
- int lcr; /* Aureal Legacy Control Register */
- int gcr; /* Gameport control register */
- int buttons; /* Buttons location */
- int axes; /* Axes start */
- int axsize; /* Axis field size */
- int axmax; /* Axis field max value */
- js_pci_func init;
- js_pci_func cleanup;
- char *name;
-};
-
-struct js_pci_info {
- unsigned char *base;
- struct pci_dev *pci_p;
- __u32 lcr;
- struct js_pci_data *data;
- struct js_an_info an;
-};
-
-/*
- * js_pci_*_init() sets the info->base field, disables legacy gameports,
- * and enables the enhanced ones.
- */
-
-static void js_pci_4dwave_init(struct js_pci_info *info)
-{
- info->base = ioremap(BASE_ADDRESS(info->pci_p, 1), info->data->size);
- pci_read_config_word(info->pci_p, info->data->lcr, (unsigned short *)&info->lcr);
- pci_write_config_word(info->pci_p, info->data->lcr, info->lcr & ~0x20);
- writeb(0x80, info->base + info->data->gcr);
-}
-
-static void js_pci_vortex_init(struct js_pci_info *info)
-{
- info->base = ioremap(BASE_ADDRESS(info->pci_p, 0), info->data->size);
- info->lcr = readl(info->base + info->data->lcr);
- writel(info->lcr & ~0x8, info->base + info->data->lcr);
- writel(0x40, info->base + info->data->gcr);
-}
-
-/*
- * js_pci_*_cleanup does the opposite of the above functions.
- */
-
-static void js_pci_4dwave_cleanup(struct js_pci_info *info)
-{
- pci_write_config_word(info->pci_p, info->data->lcr, info->lcr);
- writeb(0x00, info->base + info->data->gcr);
- iounmap(info->base);
-}
-
-static void js_pci_vortex_cleanup(struct js_pci_info *info)
-{
- writel(info->lcr, info->base + info->data->lcr);
- writel(0x00, info->base + info->data->gcr);
- iounmap(info->base);
-}
-
-static struct js_pci_data js_pci_data[] =
-{{ PCI_VENDOR_ID_TRIDENT, 0x2000, 0x10000, 0x00044 ,0x00030, 0x00031, 0x00034, 2, 0xffff,
- js_pci_4dwave_init, js_pci_4dwave_cleanup, "Trident 4DWave DX" },
- { PCI_VENDOR_ID_TRIDENT, 0x2001, 0x10000, 0x00044, 0x00030, 0x00031, 0x00034, 2, 0xffff,
- js_pci_4dwave_init, js_pci_4dwave_cleanup, "Trident 4DWave NX" },
- { PCI_VENDOR_ID_AUREAL, 0x0001, 0x40000, 0x1280c, 0x1100c, 0x11008, 0x11010, 4, 0x1fff,
- js_pci_vortex_init, js_pci_vortex_cleanup, "Aureal Vortex1" },
- { PCI_VENDOR_ID_AUREAL, 0x0002, 0x40000, 0x2a00c, 0x2880c, 0x28808, 0x28810, 4, 0x1fff,
- js_pci_vortex_init, js_pci_vortex_cleanup, "Aureal Vortex2" },
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL }};
-
-/*
- * js_pci_read() reads data from a PCI gameport.
- */
-
-static int js_pci_read(void *xinfo, int **axes, int **buttons)
-{
- struct js_pci_info *info = xinfo;
- int i;
-
- info->an.buttons = ~readb(info->base + info->data->buttons) >> 4;
-
- for (i = 0; i < 4; i++)
- info->an.axes[i] = readw(info->base + info->data->axes + i * info->data->axsize);
-
- js_an_decode(&info->an, axes, buttons);
-
- return 0;
-}
-
-/*
- * js_pci_open() is a callback from the file open routine.
- */
-
-static int js_pci_open(struct js_dev *jd)
-{
- MOD_INC_USE_COUNT;
- return 0;
-}
-
-/*
- * js_pci_close() is a callback from the file release routine.
- */
-
-static int js_pci_close(struct js_dev *jd)
-{
- MOD_DEC_USE_COUNT;
- return 0;
-}
-
-static struct js_port * __init js_pci_probe(struct js_port *port, int type, int number,
- struct pci_dev *pci_p, struct js_pci_data *data)
-{
- int i;
- unsigned char u;
- int mask0, mask1, numdev;
- struct js_pci_info iniinfo;
- struct js_pci_info *info = &iniinfo;
-
- mask0 = mask1 = 0;
-
- for (i = 0; i < NUM_CARDS; i++)
- if (js_pci[i * 4] == type && js_pci[i * 4 + 1] == number) {
- mask0 = js_pci[i * 4 + 2];
- mask1 = js_pci[i * 4 + 3];
- if (!mask0 && !mask1) return port;
- break;
- }
-
- memset(info, 0, sizeof(struct js_pci_info));
-
- info->data = data;
- info->pci_p = pci_p;
- data->init(info);
-
- mdelay(10);
- js_pci_read(info, NULL, NULL);
-
- for (i = u = 0; i < 4; i++)
- if (info->an.axes[i] < info->data->axmax) u |= 1 << i;
-
- if ((numdev = js_an_probe_devs(&info->an, u, mask0, mask1, port)) <= 0)
- return port;
-
- port = js_register_port(port, info, numdev, sizeof(struct js_pci_info), js_pci_read);
-
- info = port->info;
-
- for (i = 0; i < numdev; i++)
- printk(KERN_WARNING "js%d: %s on %s #%d\n",
- js_register_device(port, i, js_an_axes(i, &info->an), js_an_buttons(i, &info->an),
- js_an_name(i, &info->an), js_pci_open, js_pci_close), js_an_name(i, &info->an), data->name, number);
-
- js_pci_read(info, port->axes, port->buttons);
- js_an_init_corr(&info->an, port->axes, port->corr, 32);
-
- return port;
-}
-
-#ifndef MODULE
-int __init js_pci_setup(SETUP_PARAM)
-{
- int i;
- SETUP_PARSE(NUM_CARDS*4);
- for (i = 0; i <= ints[0] && i < NUM_CARDS*4; i++)
- js_pci[i] = ints[i+1];
- return 1;
-}
-__setup("js_pci=", js_pci_setup);
-#endif
-
-#ifdef MODULE
-int init_module(void)
-#else
-int __init js_pci_init(void)
-#endif
-{
- struct pci_dev *pci_p = NULL;
- int i, j;
-
- for (i = 0; js_pci_data[i].vendor; i++)
- for (j = 0; (pci_p = pci_find_device(js_pci_data[i].vendor, js_pci_data[i].model, pci_p)); j++)
- js_pci_port = js_pci_probe(js_pci_port, i, j, pci_p, js_pci_data + i);
-
- if (!js_pci_port) {
-#ifdef MODULE
- printk(KERN_WARNING "joy-pci: no joysticks found\n");
-#endif
- return -ENODEV;
- }
-
- return 0;
-}
-
-#ifdef MODULE
-void cleanup_module(void)
-{
- int i;
- struct js_pci_info *info;
-
- while (js_pci_port) {
- for (i = 0; i < js_pci_port->ndevs; i++)
- if (js_pci_port->devs[i])
- js_unregister_device(js_pci_port->devs[i]);
- info = js_pci_port->info;
- info->data->cleanup(info);
- js_pci_port = js_unregister_port(js_pci_port);
- }
-}
-#endif
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