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);