diff options
Diffstat (limited to 'drivers/input/joystick/tmdc.c')
| -rw-r--r-- | drivers/input/joystick/tmdc.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c new file mode 100644 index 000000000000..aaee52ceb920 --- /dev/null +++ b/drivers/input/joystick/tmdc.c @@ -0,0 +1,384 @@ +/* + * $Id: tmdc.c,v 1.31 2002/01/22 20:29:52 vojtech Exp $ + * + * Copyright (c) 1998-2001 Vojtech Pavlik + * + * Based on the work of: + * Trystan Larey-Williams + */ + +/* + * ThrustMaster DirectConnect (BSP) joystick family 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 <linux/delay.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> + +#define DRIVER_DESC "ThrustMaster DirectConnect joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define TMDC_MAX_START 600 /* 600 us */ +#define TMDC_MAX_STROBE 60 /* 60 us */ +#define TMDC_MAX_LENGTH 13 + +#define TMDC_MODE_M3DI 1 +#define TMDC_MODE_3DRP 3 +#define TMDC_MODE_AT 4 +#define TMDC_MODE_FM 8 +#define TMDC_MODE_FGP 163 + +#define TMDC_BYTE_ID 10 +#define TMDC_BYTE_REV 11 +#define TMDC_BYTE_DEF 12 + +#define TMDC_ABS 7 +#define TMDC_ABS_HAT 4 +#define TMDC_BTN 16 + +static unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 }; +static unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 }; + +static signed char tmdc_abs[TMDC_ABS] = + { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ }; +static signed char tmdc_abs_hat[TMDC_ABS_HAT] = + { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; +static signed char tmdc_abs_at[TMDC_ABS] = + { ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE }; +static signed char tmdc_abs_fm[TMDC_ABS] = + { ABS_RX, ABS_RY, ABS_X, ABS_Y }; + +static short tmdc_btn_pad[TMDC_BTN] = + { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_START, BTN_SELECT, BTN_TL, BTN_TR }; +static short tmdc_btn_joy[TMDC_BTN] = + { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_THUMB2, BTN_PINKIE, + BTN_BASE3, BTN_BASE4, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z }; +static short tmdc_btn_fm[TMDC_BTN] = + { BTN_TRIGGER, BTN_C, BTN_B, BTN_A, BTN_THUMB, BTN_X, BTN_Y, BTN_Z, BTN_TOP, BTN_TOP2 }; +static short tmdc_btn_at[TMDC_BTN] = + { BTN_TRIGGER, BTN_THUMB2, BTN_PINKIE, BTN_THUMB, BTN_BASE6, BTN_BASE5, BTN_BASE4, + BTN_BASE3, BTN_BASE2, BTN_BASE }; + +static struct { + int x; + int y; +} tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}}; + +struct tmdc { + struct gameport *gameport; + struct input_dev dev[2]; + char name[2][64]; + char phys[2][32]; + int mode[2]; + signed char *abs[2]; + short *btn[2]; + unsigned char absc[2]; + unsigned char btnc[2][4]; + unsigned char btno[2][4]; + int reads; + int bads; + unsigned char exists; +}; + +/* + * tmdc_read_packet() reads a ThrustMaster packet. + */ + +static int tmdc_read_packet(struct gameport *gameport, unsigned char data[2][TMDC_MAX_LENGTH]) +{ + unsigned char u, v, w, x; + unsigned long flags; + int i[2], j[2], t[2], p, k; + + p = gameport_time(gameport, TMDC_MAX_STROBE); + + for (k = 0; k < 2; k++) { + t[k] = gameport_time(gameport, TMDC_MAX_START); + i[k] = j[k] = 0; + } + + local_irq_save(flags); + gameport_trigger(gameport); + + w = gameport_read(gameport) >> 4; + + do { + x = w; + w = gameport_read(gameport) >> 4; + + for (k = 0, v = w, u = x; k < 2; k++, v >>= 2, u >>= 2) { + if (~v & u & 2) { + if (t[k] <= 0 || i[k] >= TMDC_MAX_LENGTH) continue; + t[k] = p; + if (j[k] == 0) { /* Start bit */ + if (~v & 1) t[k] = 0; + data[k][i[k]] = 0; j[k]++; continue; + } + if (j[k] == 9) { /* Stop bit */ + if (v & 1) t[k] = 0; + j[k] = 0; i[k]++; continue; + } + data[k][i[k]] |= (~v & 1) << (j[k]++ - 1); /* Data bit */ + } + t[k]--; + } + } while (t[0] > 0 || t[1] > 0); + + local_irq_restore(flags); + + return (i[0] == TMDC_MAX_LENGTH) | ((i[1] == TMDC_MAX_LENGTH) << 1); +} + +/* + * tmdc_poll() reads and analyzes ThrustMaster joystick data. + */ + +static void tmdc_poll(struct gameport *gameport) +{ + unsigned char data[2][TMDC_MAX_LENGTH]; + struct tmdc *tmdc = gameport_get_drvdata(gameport); + struct input_dev *dev; + unsigned char r, bad = 0; + int i, j, k, l; + + tmdc->reads++; + + if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists) + bad = 1; + else + + for (j = 0; j < 2; j++) + if (r & (1 << j) & tmdc->exists) { + + if (data[j][TMDC_BYTE_ID] != tmdc->mode[j]) { + bad = 1; + continue; + } + + dev = tmdc->dev + j; + + for (i = 0; i < tmdc->absc[j]; i++) { + if (tmdc->abs[j][i] < 0) continue; + input_report_abs(dev, tmdc->abs[j][i], data[j][tmdc_byte_a[i]]); + } + + switch (tmdc->mode[j]) { + + case TMDC_MODE_M3DI: + + i = tmdc_byte_d[0]; + input_report_abs(dev, ABS_HAT0X, ((data[j][i] >> 3) & 1) - ((data[j][i] >> 1) & 1)); + input_report_abs(dev, ABS_HAT0Y, ((data[j][i] >> 2) & 1) - ( data[j][i] & 1)); + break; + + case TMDC_MODE_AT: + + i = tmdc_byte_a[3]; + input_report_abs(dev, ABS_HAT0X, tmdc_hat_to_axis[(data[j][i] - 141) / 25].x); + input_report_abs(dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[j][i] - 141) / 25].y); + break; + + } + + for (k = l = 0; k < 4; k++) { + for (i = 0; i < tmdc->btnc[j][k]; i++) + input_report_key(dev, tmdc->btn[j][i + l], + ((data[j][tmdc_byte_d[k]] >> (i + tmdc->btno[j][k])) & 1)); + l += tmdc->btnc[j][k]; + } + + input_sync(dev); + } + + tmdc->bads += bad; +} + +static int tmdc_open(struct input_dev *dev) +{ + struct tmdc *tmdc = dev->private; + + gameport_start_polling(tmdc->gameport); + return 0; +} + +static void tmdc_close(struct input_dev *dev) +{ + struct tmdc *tmdc = dev->private; + + gameport_stop_polling(tmdc->gameport); +} + +/* + * tmdc_probe() probes for ThrustMaster type joysticks. + */ + +static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + static struct models { + unsigned char id; + char *name; + char abs; + char hats; + char btnc[4]; + char btno[4]; + signed char *axes; + short *buttons; + } models[] = { { 1, "ThrustMaster Millenium 3D Inceptor", 6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy }, + { 3, "ThrustMaster Rage 3D Gamepad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, + { 4, "ThrustMaster Attack Throttle", 5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at }, + { 8, "ThrustMaster FragMaster", 4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm }, + { 163, "Thrustmaster Fusion GamePad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, + { 0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy }}; + + unsigned char data[2][TMDC_MAX_LENGTH]; + struct tmdc *tmdc; + int i, j, k, l, m; + int err; + + if (!(tmdc = kcalloc(1, sizeof(struct tmdc), GFP_KERNEL))) + return -ENOMEM; + + tmdc->gameport = gameport; + + gameport_set_drvdata(gameport, tmdc); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + if (!(tmdc->exists = tmdc_read_packet(gameport, data))) { + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, tmdc_poll); + gameport_set_poll_interval(gameport, 20); + + for (j = 0; j < 2; j++) + if (tmdc->exists & (1 << j)) { + + tmdc->mode[j] = data[j][TMDC_BYTE_ID]; + + for (m = 0; models[m].id && models[m].id != tmdc->mode[j]; m++); + + tmdc->abs[j] = models[m].axes; + tmdc->btn[j] = models[m].buttons; + + if (!models[m].id) { + models[m].abs = data[j][TMDC_BYTE_DEF] >> 4; + for (k = 0; k < 4; k++) + models[m].btnc[k] = k < (data[j][TMDC_BYTE_DEF] & 0xf) ? 8 : 0; + } + + tmdc->absc[j] = models[m].abs; + for (k = 0; k < 4; k++) { + tmdc->btnc[j][k] = models[m].btnc[k]; + tmdc->btno[j][k] = models[m].btno[k]; + } + + sprintf(tmdc->name[j], models[m].name, models[m].abs, + (data[j][TMDC_BYTE_DEF] & 0xf) << 3, tmdc->mode[j]); + + sprintf(tmdc->phys[j], "%s/input%d", gameport->phys, j); + + tmdc->dev[j].private = tmdc; + tmdc->dev[j].open = tmdc_open; + tmdc->dev[j].close = tmdc_close; + + tmdc->dev[j].name = tmdc->name[j]; + tmdc->dev[j].phys = tmdc->phys[j]; + tmdc->dev[j].id.bustype = BUS_GAMEPORT; + tmdc->dev[j].id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER; + tmdc->dev[j].id.product = models[m].id; + tmdc->dev[j].id.version = 0x0100; + + tmdc->dev[j].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); + + for (i = 0; i < models[m].abs && i < TMDC_ABS; i++) + if (tmdc->abs[j][i] >= 0) + input_set_abs_params(&tmdc->dev[j], tmdc->abs[j][i], 8, 248, 2, 4); + + for (i = 0; i < models[m].hats && i < TMDC_ABS_HAT; i++) + input_set_abs_params(&tmdc->dev[j], tmdc_abs_hat[i], -1, 1, 0, 0); + + + for (k = l = 0; k < 4; k++) { + for (i = 0; i < models[m].btnc[k] && i < TMDC_BTN; i++) + set_bit(tmdc->btn[j][i + l], tmdc->dev[j].keybit); + l += models[m].btnc[k]; + } + + input_register_device(tmdc->dev + j); + printk(KERN_INFO "input: %s on %s\n", tmdc->name[j], gameport->phys); + } + + return 0; + +fail2: gameport_close(gameport); +fail1: gameport_set_drvdata(gameport, NULL); + kfree(tmdc); + return err; +} + +static void tmdc_disconnect(struct gameport *gameport) +{ + struct tmdc *tmdc = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 2; i++) + if (tmdc->exists & (1 << i)) + input_unregister_device(tmdc->dev + i); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(tmdc); +} + +static struct gameport_driver tmdc_drv = { + .driver = { + .name = "tmdc", + }, + .description = DRIVER_DESC, + .connect = tmdc_connect, + .disconnect = tmdc_disconnect, +}; + +static int __init tmdc_init(void) +{ + gameport_register_driver(&tmdc_drv); + return 0; +} + +static void __exit tmdc_exit(void) +{ + gameport_unregister_driver(&tmdc_drv); +} + +module_init(tmdc_init); +module_exit(tmdc_exit); |