grip.c revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * $Id: grip.c,v 1.21 2002/01/22 20:27:57 vojtech Exp $ 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1998-2001 Vojtech Pavlik 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Gravis/Kensington GrIP protocol joystick and gamepad driver for Linux 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Should you need to contact me, the author, you can do so either by 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/gameport.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/input.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRIVER_DESC "Gravis GrIP protocol joystick driver" 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION(DRIVER_DESC); 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MODE_GPP 1 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MODE_BD 2 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MODE_XT 3 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MODE_DC 4 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_LENGTH_GPP 24 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_STROBE_GPP 200 /* 200 us */ 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_LENGTH_XT 4 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_STROBE_XT 64 /* 64 us */ 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MAX_CHUNKS_XT 10 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GRIP_MAX_BITS_XT 30 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct grip { 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct gameport *gameport; 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct input_dev dev[2]; 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char mode[2]; 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int reads; 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bads; 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char phys[2][32]; 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_btn_gpp[] = { BTN_START, BTN_SELECT, BTN_TR2, BTN_Y, 0, BTN_TL2, BTN_A, BTN_B, BTN_X, 0, BTN_TL, BTN_TR, -1 }; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_btn_bd[] = { BTN_THUMB, BTN_THUMB2, BTN_TRIGGER, BTN_TOP, BTN_BASE, -1 }; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_btn_xt[] = { BTN_TRIGGER, BTN_THUMB, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_SELECT, BTN_START, BTN_MODE, -1 }; 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_btn_dc[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, -1 }; 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_abs_gpp[] = { ABS_X, ABS_Y, -1 }; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_abs_bd[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_abs_xt[] = { ABS_X, ABS_Y, ABS_BRAKE, ABS_GAS, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, -1 }; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_abs_dc[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char *grip_name[] = { NULL, "Gravis GamePad Pro", "Gravis Blackhawk Digital", 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Gravis Xterminator Digital", "Gravis Xterminator DualControl" }; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int *grip_abs[] = { NULL, grip_abs_gpp, grip_abs_bd, grip_abs_xt, grip_abs_dc }; 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int *grip_btn[] = { NULL, grip_btn_gpp, grip_btn_bd, grip_btn_xt, grip_btn_dc }; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char grip_anx[] = { 0, 0, 3, 5, 5 }; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char grip_cen[] = { 0, 0, 2, 2, 4 }; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * grip_gpp_read_packet() reads a Gravis GamePad Pro packet. 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_gpp_read_packet(struct gameport *gameport, int shift, unsigned int *data) 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char u, v; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int t; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int strobe = gameport_time(gameport, GRIP_STROBE_GPP); 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data[0] = 0; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t = strobe; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_save(flags); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v = gameport_read(gameport) >> shift; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t--; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u = v; v = (gameport_read(gameport) >> shift) & 3; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (~v & u & 1) { 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data[0] |= (v >> 1) << i++; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t = strobe; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (i < GRIP_LENGTH_GPP && t > 0); 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_restore(flags); 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < GRIP_LENGTH_GPP) return -1; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < GRIP_LENGTH_GPP && (data[0] & 0xfe4210) ^ 0x7c0000; i++) 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data[0] = data[0] >> 1 | (data[0] & 1) << (GRIP_LENGTH_GPP - 1); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -(i == GRIP_LENGTH_GPP); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * grip_xt_read_packet() reads a Gravis Xterminator packet. 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_xt_read_packet(struct gameport *gameport, int shift, unsigned int *data) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i, j, buf, crc; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char u, v, w; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int t; 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char status; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int strobe = gameport_time(gameport, GRIP_STROBE_XT); 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data[0] = data[1] = data[2] = data[3] = 0; 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = buf = i = j = 0; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t = strobe; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_save(flags); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v = w = (gameport_read(gameport) >> shift) & 3; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t--; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u = (gameport_read(gameport) >> shift) & 3; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (u ^ v) { 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((u ^ v) & 1) { 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf = (buf << 1) | (u >> 1); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t = strobe; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((((u ^ v) & (v ^ w)) >> 1) & ~(u | v | w) & 1) { 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i == 20) { 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds crc = buf ^ (buf >> 7) ^ (buf >> 14); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!((crc ^ (0x25cb9e70 >> ((crc >> 2) & 0x1c))) & 0xf)) { 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data[buf >> 18] = buf >> 4; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status |= 1 << (buf >> 18); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j++; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t = strobe; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf = 0; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds w = v; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds v = u; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (status != 0xf && i < GRIP_MAX_BITS_XT && j < GRIP_MAX_CHUNKS_XT && t > 0); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_restore(flags); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -(status != 0xf); 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * grip_timer() repeatedly polls the joysticks and generates events. 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void grip_poll(struct gameport *gameport) 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct grip *grip = gameport_get_drvdata(gameport); 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int data[GRIP_LENGTH_XT]; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct input_dev *dev; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev = grip->dev + i; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->reads++; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (grip->mode[i]) { 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case GRIP_MODE_GPP: 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip_gpp_read_packet(grip->gameport, (i << 1) + 4, data)) { 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->bads++; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, ((*data >> 15) & 1) - ((*data >> 16) & 1)); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, ((*data >> 13) & 1) - ((*data >> 12) & 1)); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 12; j++) 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip_btn_gpp[j]) 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, grip_btn_gpp[j], (*data >> j) & 1); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case GRIP_MODE_BD: 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->bads++; 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, 63 - ((data[0] >> 8) & 0x3f)); 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 5; j++) 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, grip_btn_bd[j], (data[3] >> (j + 4)) & 1); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case GRIP_MODE_XT: 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->bads++; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, 63 - ((data[0] >> 8) & 0x3f)); 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_BRAKE, (data[1] >> 2) & 0x3f); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_GAS, (data[1] >> 8) & 0x3f); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT1X, ((data[2] >> 5) & 1) - ((data[2] >> 4) & 1)); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT1Y, ((data[2] >> 6) & 1) - ((data[2] >> 7) & 1)); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 11; j++) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, grip_btn_xt[j], (data[3] >> (j + 3)) & 1); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case GRIP_MODE_DC: 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->bads++; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, (data[0] >> 8) & 0x3f); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_RX, (data[1] >> 2) & 0x3f); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_RY, (data[1] >> 8) & 0x3f); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 9; j++) 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, grip_btn_dc[j], (data[3] >> (j + 3)) & 1); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_open(struct input_dev *dev) 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct grip *grip = dev->private; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_start_polling(grip->gameport); 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void grip_close(struct input_dev *dev) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct grip *grip = dev->private; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_stop_polling(grip->gameport); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int grip_connect(struct gameport *gameport, struct gameport_driver *drv) 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct grip *grip; 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int data[GRIP_LENGTH_XT]; 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, t; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(grip = kcalloc(1, sizeof(struct grip), GFP_KERNEL))) 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->gameport = gameport; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_set_drvdata(gameport, grip); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto fail1; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!grip_gpp_read_packet(gameport, (i << 1) + 4, data)) { 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->mode[i] = GRIP_MODE_GPP; 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!grip_xt_read_packet(gameport, (i << 1) + 4, data)) { 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(data[3] & 7)) { 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->mode[i] = GRIP_MODE_BD; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(data[2] & 0xf0)) { 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->mode[i] = GRIP_MODE_XT; 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->mode[i] = GRIP_MODE_DC; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!grip->mode[0] && !grip->mode[1]) { 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENODEV; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto fail2; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_set_poll_handler(gameport, grip_poll); 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_set_poll_interval(gameport, 20); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip->mode[i]) { 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(grip->phys[i], "%s/input%d", gameport->phys, i); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].private = grip; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].open = grip_open; 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].close = grip_close; 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].name = grip_name[grip->mode[i]]; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].phys = grip->phys[i]; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].id.bustype = BUS_GAMEPORT; 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS; 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].id.product = grip->mode[i]; 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].id.version = 0x0100; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) { 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (j < grip_cen[grip->mode[i]]) 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_set_abs_params(&grip->dev[i], t, 14, 52, 1, 2); 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (j < grip_anx[grip->mode[i]]) 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_set_abs_params(&grip->dev[i], t, 3, 57, 1, 0); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_set_abs_params(&grip->dev[i], t, -1, 1, 0, 0); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++) 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (t > 0) 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(t, grip->dev[i].keybit); 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "input: %s on %s\n", 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds grip_name[grip->mode[i]], gameport->phys); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_register_device(grip->dev + i); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfail2: gameport_close(gameport); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfail1: gameport_set_drvdata(gameport, NULL); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(grip); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void grip_disconnect(struct gameport *gameport) 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct grip *grip = gameport_get_drvdata(gameport); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (grip->mode[i]) 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_unregister_device(grip->dev + i); 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_close(gameport); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_set_drvdata(gameport, NULL); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(grip); 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct gameport_driver grip_drv = { 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .driver = { 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "grip", 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }, 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .description = DRIVER_DESC, 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .connect = grip_connect, 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .disconnect = grip_disconnect, 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init grip_init(void) 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_register_driver(&grip_drv); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit grip_exit(void) 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds gameport_unregister_driver(&grip_drv); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(grip_init); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(grip_exit); 423