| /* |
| * 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 |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| #include <linux/module.h> |
| #include <linux/gameport.h> |
| #include <linux/input.h> |
| #include <linux/jiffies.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 const unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 }; |
| static const unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 }; |
| |
| static const signed char tmdc_abs[TMDC_ABS] = |
| { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ }; |
| static const signed char tmdc_abs_hat[TMDC_ABS_HAT] = |
| { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; |
| static const signed char tmdc_abs_at[TMDC_ABS] = |
| { ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE }; |
| static const signed char tmdc_abs_fm[TMDC_ABS] = |
| { ABS_RX, ABS_RY, ABS_X, ABS_Y }; |
| |
| static const 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 const 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 const 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 const 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 const struct { |
| int x; |
| int y; |
| } tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}}; |
| |
| static const struct tmdc_model { |
| unsigned char id; |
| const char *name; |
| char abs; |
| char hats; |
| char btnc[4]; |
| char btno[4]; |
| const signed char *axes; |
| const short *buttons; |
| } tmdc_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 } |
| }; |
| |
| |
| struct tmdc_port { |
| struct input_dev *dev; |
| char name[64]; |
| char phys[32]; |
| int mode; |
| const signed char *abs; |
| const short *btn; |
| unsigned char absc; |
| unsigned char btnc[4]; |
| unsigned char btno[4]; |
| }; |
| |
| struct tmdc { |
| struct gameport *gameport; |
| struct tmdc_port *port[2]; |
| #if 0 |
| 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]; |
| #endif |
| 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); |
| } |
| |
| static int tmdc_parse_packet(struct tmdc_port *port, unsigned char *data) |
| { |
| int i, k, l; |
| |
| if (data[TMDC_BYTE_ID] != port->mode) |
| return -1; |
| |
| for (i = 0; i < port->absc; i++) { |
| if (port->abs[i] < 0) |
| return 0; |
| |
| input_report_abs(port->dev, port->abs[i], data[tmdc_byte_a[i]]); |
| } |
| |
| switch (port->mode) { |
| |
| case TMDC_MODE_M3DI: |
| |
| i = tmdc_byte_d[0]; |
| input_report_abs(port->dev, ABS_HAT0X, ((data[i] >> 3) & 1) - ((data[i] >> 1) & 1)); |
| input_report_abs(port->dev, ABS_HAT0Y, ((data[i] >> 2) & 1) - ( data[i] & 1)); |
| break; |
| |
| case TMDC_MODE_AT: |
| |
| i = tmdc_byte_a[3]; |
| input_report_abs(port->dev, ABS_HAT0X, tmdc_hat_to_axis[(data[i] - 141) / 25].x); |
| input_report_abs(port->dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[i] - 141) / 25].y); |
| break; |
| |
| } |
| |
| for (k = l = 0; k < 4; k++) { |
| for (i = 0; i < port->btnc[k]; i++) |
| input_report_key(port->dev, port->btn[i + l], |
| ((data[tmdc_byte_d[k]] >> (i + port->btno[k])) & 1)); |
| l += port->btnc[k]; |
| } |
| |
| input_sync(port->dev); |
| |
| return 0; |
| } |
| |
| /* |
| * 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); |
| unsigned char r, bad = 0; |
| int i; |
| |
| tmdc->reads++; |
| |
| if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists) |
| bad = 1; |
| else { |
| for (i = 0; i < 2; i++) { |
| if (r & (1 << i) & tmdc->exists) { |
| |
| if (tmdc_parse_packet(tmdc->port[i], data[i])) |
| bad = 1; |
| } |
| } |
| } |
| |
| tmdc->bads += bad; |
| } |
| |
| static int tmdc_open(struct input_dev *dev) |
| { |
| struct tmdc *tmdc = input_get_drvdata(dev); |
| |
| gameport_start_polling(tmdc->gameport); |
| return 0; |
| } |
| |
| static void tmdc_close(struct input_dev *dev) |
| { |
| struct tmdc *tmdc = input_get_drvdata(dev); |
| |
| gameport_stop_polling(tmdc->gameport); |
| } |
| |
| static int tmdc_setup_port(struct tmdc *tmdc, int idx, unsigned char *data) |
| { |
| const struct tmdc_model *model; |
| struct tmdc_port *port; |
| struct input_dev *input_dev; |
| int i, j, b = 0; |
| int err; |
| |
| tmdc->port[idx] = port = kzalloc(sizeof (struct tmdc_port), GFP_KERNEL); |
| input_dev = input_allocate_device(); |
| if (!port || !input_dev) { |
| err = -ENOMEM; |
| goto fail; |
| } |
| |
| port->mode = data[TMDC_BYTE_ID]; |
| |
| for (model = tmdc_models; model->id && model->id != port->mode; model++) |
| /* empty */; |
| |
| port->abs = model->axes; |
| port->btn = model->buttons; |
| |
| if (!model->id) { |
| port->absc = data[TMDC_BYTE_DEF] >> 4; |
| for (i = 0; i < 4; i++) |
| port->btnc[i] = i < (data[TMDC_BYTE_DEF] & 0xf) ? 8 : 0; |
| } else { |
| port->absc = model->abs; |
| for (i = 0; i < 4; i++) |
| port->btnc[i] = model->btnc[i]; |
| } |
| |
| for (i = 0; i < 4; i++) |
| port->btno[i] = model->btno[i]; |
| |
| snprintf(port->name, sizeof(port->name), model->name, |
| port->absc, (data[TMDC_BYTE_DEF] & 0xf) << 3, port->mode); |
| snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i); |
| |
| port->dev = input_dev; |
| |
| input_dev->name = port->name; |
| input_dev->phys = port->phys; |
| input_dev->id.bustype = BUS_GAMEPORT; |
| input_dev->id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER; |
| input_dev->id.product = model->id; |
| input_dev->id.version = 0x0100; |
| input_dev->dev.parent = &tmdc->gameport->dev; |
| |
| input_set_drvdata(input_dev, tmdc); |
| |
| input_dev->open = tmdc_open; |
| input_dev->close = tmdc_close; |
| |
| input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
| |
| for (i = 0; i < port->absc && i < TMDC_ABS; i++) |
| if (port->abs[i] >= 0) |
| input_set_abs_params(input_dev, port->abs[i], 8, 248, 2, 4); |
| |
| for (i = 0; i < model->hats && i < TMDC_ABS_HAT; i++) |
| input_set_abs_params(input_dev, tmdc_abs_hat[i], -1, 1, 0, 0); |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < port->btnc[i] && j < TMDC_BTN; j++) |
| set_bit(port->btn[j + b], input_dev->keybit); |
| b += port->btnc[i]; |
| } |
| |
| err = input_register_device(port->dev); |
| if (err) |
| goto fail; |
| |
| return 0; |
| |
| fail: input_free_device(input_dev); |
| kfree(port); |
| return err; |
| } |
| |
| /* |
| * tmdc_probe() probes for ThrustMaster type joysticks. |
| */ |
| |
| static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv) |
| { |
| unsigned char data[2][TMDC_MAX_LENGTH]; |
| struct tmdc *tmdc; |
| int i; |
| int err; |
| |
| if (!(tmdc = kzalloc(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 (i = 0; i < 2; i++) { |
| if (tmdc->exists & (1 << i)) { |
| |
| err = tmdc_setup_port(tmdc, i, data[i]); |
| if (err) |
| goto fail3; |
| } |
| } |
| |
| return 0; |
| |
| fail3: while (--i >= 0) { |
| if (tmdc->port[i]) { |
| input_unregister_device(tmdc->port[i]->dev); |
| kfree(tmdc->port[i]); |
| } |
| } |
| 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->port[i]) { |
| input_unregister_device(tmdc->port[i]->dev); |
| kfree(tmdc->port[i]); |
| } |
| } |
| gameport_close(gameport); |
| gameport_set_drvdata(gameport, NULL); |
| kfree(tmdc); |
| } |
| |
| static struct gameport_driver tmdc_drv = { |
| .driver = { |
| .name = "tmdc", |
| .owner = THIS_MODULE, |
| }, |
| .description = DRIVER_DESC, |
| .connect = tmdc_connect, |
| .disconnect = tmdc_disconnect, |
| }; |
| |
| module_gameport_driver(tmdc_drv); |