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-rw-r--r--drivers/char/joystick/joy-gravis.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/drivers/char/joystick/joy-gravis.c b/drivers/char/joystick/joy-gravis.c
deleted file mode 100644
index 84a6def16..000000000
--- a/drivers/char/joystick/joy-gravis.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * joy-gravis.c Version 1.2
- *
- * Copyright (c) 1998-1999 Vojtech Pavlik
- *
- * Sponsored by SuSE
- */
-
-/*
- * This is a module for the Linux joystick driver, supporting
- * Gravis GrIP digital joystick family.
- */
-
-/*
- * 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@suse.cz>, or by paper mail:
- * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
- */
-
-#include <asm/io.h>
-#include <asm/system.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/init.h>
-
-#define JS_GR_MODE_GPP 1
-#define JS_GR_LENGTH_GPP 24
-#define JS_GR_STROBE_GPP 400
-
-#define JS_GR_MODE_XT 2
-#define JS_GR_MODE_BD 3
-#define JS_GR_LENGTH_XT 4
-#define JS_GR_STROBE_XT 200
-#define JS_GR_MAX_CHUNKS_XT 10
-#define JS_GR_MAX_BITS_XT 30
-
-static int js_gr_port_list[] __initdata = {0x201, 0};
-static struct js_port* js_gr_port __initdata = NULL;
-
-struct js_gr_info {
- int io;
- unsigned char mode[2];
-};
-
-/*
- * js_gr_gpp_read_packet() reads a Gravis GamePad Pro packet.
- */
-
-static int js_gr_gpp_read_packet(int io, int shift, unsigned int *data)
-{
- unsigned long flags;
- unsigned char u, v;
- unsigned int t, p;
- int i;
-
- i = 0;
- data[0] = 0;
- p = t = JS_GR_STROBE_GPP;
- p += JS_GR_STROBE_GPP;
-
- __save_flags(flags);
- __cli();
-
- v = inb(io) >> shift;
-
- do {
- t--;
- u = v; v = (inb(io) >> shift) & 3;
- if (~v & u & 1) {
- data[0] |= (v >> 1) << i++;
- p = t = (p - t) << 1;
- }
- } while (i < JS_GR_LENGTH_GPP && t > 0);
-
- __restore_flags(flags);
-
- if (i < JS_GR_LENGTH_GPP) return -1;
-
- for (i = 0; i < JS_GR_LENGTH_GPP && (data[0] & 0xfe4210) ^ 0x7c0000; i++)
- data[0] = data[0] >> 1 | (data[0] & 1) << (JS_GR_LENGTH_GPP - 1);
-
- return -(i == JS_GR_LENGTH_GPP);
-}
-
-/*
- * js_gr_xt_read_packet() reads a Gravis Xterminator packet.
- */
-
-static int js_gr_xt_read_packet(int io, int shift, unsigned int *data)
-{
- unsigned int i, j, buf, crc;
- unsigned char u, v, w;
- unsigned long flags;
- unsigned int t, p;
- char status;
-
- data[0] = data[1] = data[2] = data[3] = 0;
- status = buf = i = j = 0;
- p = t = JS_GR_STROBE_XT;
- p += JS_GR_STROBE_XT;
-
- __save_flags(flags);
- __cli();
-
- v = w = (inb(io) >> shift) & 3;
-
- do {
- t--;
- u = (inb(io) >> shift) & 3;
-
- if (u ^ v) {
-
- if ((u ^ v) & 1) {
- p = t = (p - t) << 2;
- buf = (buf << 1) | (u >> 1);
- i++;
- } else
-
- if ((((u ^ v) & (v ^ w)) >> 1) & ~(u | v | w) & 1) {
- p = t = (p - t) << 2;
- if (i == 20) {
- crc = buf ^ (buf >> 7) ^ (buf >> 14);
- if (!((crc ^ (0x25cb9e70 >> ((crc >> 2) & 0x1c))) & 0xf)) {
- data[buf >> 18] = buf >> 4;
- status |= 1 << (buf >> 18);
- }
- j++;
- }
- buf = 0;
- i = 0;
- }
-
- w = v;
- v = u;
- }
-
- } while (status != 0xf && i < JS_GR_MAX_BITS_XT && j < JS_GR_MAX_CHUNKS_XT && t > 0);
-
- __restore_flags(flags);
-
- return -(status != 0xf);
-}
-
-/*
- * js_gr_read() reads and analyzes GrIP joystick data.
- */
-
-static int js_gr_read(void *xinfo, int **axes, int **buttons)
-{
- struct js_gr_info *info = xinfo;
- unsigned int data[JS_GR_LENGTH_XT];
- int i;
-
- for (i = 0; i < 2; i++)
- switch (info->mode[i]) {
-
- case JS_GR_MODE_GPP:
-
- if (js_gr_gpp_read_packet(info->io, (i << 1) + 4, data)) return -1;
-
- axes[i][0] = ((data[0] >> 15) & 1) - ((data[0] >> 16) & 1);
- axes[i][1] = ((data[0] >> 13) & 1) - ((data[0] >> 12) & 1);
-
- data[0] = ((data[0] >> 6) & 0x37) | (data[0] & 0x08) | ((data[0] << 1) & 0x40) |
- ((data[0] << 5) & 0x80) | ((data[0] << 8) & 0x300);
-
- buttons[i][0] = (data[0] & 0xfc) | ((data[0] >> 1) & 0x101) | ((data[0] << 1) & 0x202);
-
- break;
-
- case JS_GR_MODE_XT:
-
- if (js_gr_xt_read_packet(info->io, (i << 1) + 4, data)) return -1;
-
- axes[i][0] = (data[0] >> 2) & 0x3f;
- axes[i][1] = 63 - ((data[0] >> 8) & 0x3f);
- axes[i][2] = (data[1] >> 2) & 0x3f;
- axes[i][3] = (data[1] >> 8) & 0x3f;
- axes[i][4] = (data[2] >> 8) & 0x3f;
-
- axes[i][5] = ((data[2] >> 1) & 1) - ( data[2] & 1);
- axes[i][6] = ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1);
- axes[i][7] = ((data[2] >> 5) & 1) - ((data[2] >> 4) & 1);
- axes[i][8] = ((data[2] >> 6) & 1) - ((data[2] >> 7) & 1);
-
- buttons[i][0] = (data[3] >> 3) & 0x7ff;
-
- break;
-
- case JS_GR_MODE_BD:
-
- if (js_gr_xt_read_packet(info->io, (i << 1) + 4, data)) return -1;
-
- axes[i][0] = (data[0] >> 2) & 0x3f;
- axes[i][1] = 63 - ((data[0] >> 8) & 0x3f);
- axes[i][2] = (data[2] >> 8) & 0x3f;
-
- axes[i][3] = ((data[2] >> 1) & 1) - ( data[2] & 1);
- axes[i][4] = ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1);
-
- buttons[i][0] = ((data[3] >> 6) & 0x01) | ((data[3] >> 3) & 0x06)
- | ((data[3] >> 4) & 0x18);
-
- break;
-
- default:
- break;
-
- }
-
-
- return 0;
-}
-
-/*
- * js_gr_init_corr() initializes correction values of
- * GrIP joysticks.
- */
-
-static void __init js_gr_init_corr(int mode, struct js_corr *corr)
-{
- int i;
-
- switch (mode) {
-
- case JS_GR_MODE_GPP:
-
- for (i = 0; i < 2; i++) {
- corr[i].type = JS_CORR_BROKEN;
- corr[i].prec = 0;
- corr[i].coef[0] = 0;
- corr[i].coef[1] = 0;
- corr[i].coef[2] = (1 << 29);
- corr[i].coef[3] = (1 << 29);
- }
-
- break;
-
- case JS_GR_MODE_XT:
-
- for (i = 0; i < 5; i++) {
- corr[i].type = JS_CORR_BROKEN;
- corr[i].prec = 0;
- corr[i].coef[0] = 31 - 4;
- corr[i].coef[1] = 32 + 4;
- corr[i].coef[2] = (1 << 29) / (32 - 14);
- corr[i].coef[3] = (1 << 29) / (32 - 14);
- }
-
- for (i = 5; i < 9; i++) {
- corr[i].type = JS_CORR_BROKEN;
- corr[i].prec = 0;
- corr[i].coef[0] = 0;
- corr[i].coef[1] = 0;
- corr[i].coef[2] = (1 << 29);
- corr[i].coef[3] = (1 << 29);
- }
-
- break;
-
- case JS_GR_MODE_BD:
-
- for (i = 0; i < 3; i++) {
- corr[i].type = JS_CORR_BROKEN;
- corr[i].prec = 0;
- corr[i].coef[0] = 31 - 4;
- corr[i].coef[1] = 32 + 4;
- corr[i].coef[2] = (1 << 29) / (32 - 14);
- corr[i].coef[3] = (1 << 29) / (32 - 14);
- }
-
- for (i = 3; i < 5; i++) {
- corr[i].type = JS_CORR_BROKEN;
- corr[i].prec = 0;
- corr[i].coef[0] = 0;
- corr[i].coef[1] = 0;
- corr[i].coef[2] = (1 << 29);
- corr[i].coef[3] = (1 << 29);
- }
-
- break;
-
- }
-}
-
-/*
- * js_gr_probe() probes for GrIP joysticks.
- */
-
-static struct js_port __init *js_gr_probe(int io, struct js_port *port)
-{
- struct js_gr_info info;
- char *names[] = { NULL, "Gravis GamePad Pro", "Gravis Xterminator", "Gravis Blackhawk Digital"};
- char axes[] = { 0, 2, 9, 5};
- char buttons[] = { 0, 10, 11, 5};
- unsigned int data[JS_GR_LENGTH_XT];
- int i;
-
- if (check_region(io, 1)) return port;
-
- info.mode[0] = info.mode[1] = 0;
-
- for (i = 0; i < 2; i++) {
- if (!js_gr_gpp_read_packet(io, (i << 1) + 4, data)) info.mode[i] = JS_GR_MODE_GPP;
- if (!js_gr_xt_read_packet(io, (i << 1) + 4, data)) {
- if ((data[3] & 7) == 7)
- info.mode[i] = JS_GR_MODE_XT;
- if ((data[3] & 7) == 0)
- info.mode[i] = JS_GR_MODE_BD;
- }
- }
-
- if (!info.mode[0] && !info.mode[1]) return port;
-
- info.io = io;
-
- request_region(io, 1, "joystick (gravis)");
- port = js_register_port(port, &info, 2, sizeof(struct js_gr_info), js_gr_read);
-
- for (i = 0; i < 2; i++)
- if (info.mode[i]) {
- printk(KERN_INFO "js%d: %s at %#x\n",
- js_register_device(port, i, axes[info.mode[i]], buttons[info.mode[i]],
- names[info.mode[i]], THIS_MODULE, NULL, NULL),
- names[info.mode[i]], io);
- js_gr_init_corr(info.mode[i], port->corr[i]);
- }
-
- return port;
-}
-
-#ifdef MODULE
-int init_module(void)
-#else
-int __init js_gr_init(void)
-#endif
-{
- int *p;
-
- for (p = js_gr_port_list; *p; p++) js_gr_port = js_gr_probe(*p, js_gr_port);
- if (js_gr_port) return 0;
-
-#ifdef MODULE
- printk(KERN_WARNING "joy-gravis: no joysticks found\n");
-#endif
-
- return -ENODEV;
-}
-
-#ifdef MODULE
-void cleanup_module(void)
-{
- int i;
- struct js_gr_info *info;
-
- while (js_gr_port) {
- for (i = 0; i < js_gr_port->ndevs; i++)
- if (js_gr_port->devs[i])
- js_unregister_device(js_gr_port->devs[i]);
- info = js_gr_port->info;
- release_region(info->io, 1);
- js_gr_port = js_unregister_port(js_gr_port);
- }
-}
-#endif
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