Linux-2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
diff --git a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c
new file mode 100644
index 0000000..aaee52c
--- /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);