Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 701 deletions

diff --git a/ANDROID_3.4.5/drivers/input/joystick/grip_mp.c b/ANDROID_3.4.5/drivers/input/joystick/grip_mp.c
deleted file mode 100644
index 2d47baf4..00000000
--- a/ANDROID_3.4.5/drivers/input/joystick/grip_mp.c
+++ /dev/null
@@ -1,701 +0,0 @@
-/*
- *  Driver for the Gravis Grip Multiport, a gamepad "hub" that
- *  connects up to four 9-pin digital gamepads/joysticks.
- *  Driver tested on SMP and UP kernel versions 2.4.18-4 and 2.4.18-5.
- *
- *  Thanks to Chris Gassib for helpful advice.
- *
- *  Copyright (c)      2002 Brian Bonnlander, Bill Soudan
- *  Copyright (c) 1998-2000 Vojtech Pavlik
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/gameport.h>
-#include <linux/input.h>
-#include <linux/delay.h>
-#include <linux/proc_fs.h>
-#include <linux/jiffies.h>
-
-#define DRIVER_DESC	"Gravis Grip Multiport driver"
-
-MODULE_AUTHOR("Brian Bonnlander");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-
-#ifdef GRIP_DEBUG
-#define dbg(format, arg...) printk(KERN_ERR __FILE__ ": " format "\n" , ## arg)
-#else
-#define dbg(format, arg...) do {} while (0)
-#endif
-
-#define GRIP_MAX_PORTS	4
-/*
- * Grip multiport state
- */
-
-struct grip_port {
-	struct input_dev *dev;
-	int mode;
-	int registered;
-
-	/* individual gamepad states */
-	int buttons;
-	int xaxes;
-	int yaxes;
-	int dirty;     /* has the state been updated? */
-};
-
-struct grip_mp {
-	struct gameport *gameport;
-	struct grip_port *port[GRIP_MAX_PORTS];
-	int reads;
-	int bads;
-};
-
-/*
- * Multiport packet interpretation
- */
-
-#define PACKET_FULL          0x80000000       /* packet is full                        */
-#define PACKET_IO_FAST       0x40000000       /* 3 bits per gameport read              */
-#define PACKET_IO_SLOW       0x20000000       /* 1 bit per gameport read               */
-#define PACKET_MP_MORE       0x04000000       /* multiport wants to send more          */
-#define PACKET_MP_DONE       0x02000000       /* multiport done sending                */
-
-/*
- * Packet status code interpretation
- */
-
-#define IO_GOT_PACKET        0x0100           /* Got a packet                           */
-#define IO_MODE_FAST         0x0200           /* Used 3 data bits per gameport read     */
-#define IO_SLOT_CHANGE       0x0800           /* Multiport physical slot status changed */
-#define IO_DONE              0x1000           /* Multiport is done sending packets      */
-#define IO_RETRY             0x4000           /* Try again later to get packet          */
-#define IO_RESET             0x8000           /* Force multiport to resend all packets  */
-
-/*
- * Gamepad configuration data.  Other 9-pin digital joystick devices
- * may work with the multiport, so this may not be an exhaustive list!
- * Commodore 64 joystick remains untested.
- */
-
-#define GRIP_INIT_DELAY         2000          /*  2 ms */
-
-#define GRIP_MODE_NONE		0
-#define GRIP_MODE_RESET         1
-#define GRIP_MODE_GP		2
-#define GRIP_MODE_C64		3
-
-static const int grip_btn_gp[]  = { BTN_TR, BTN_TL, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, -1 };
-static const int grip_btn_c64[] = { BTN_JOYSTICK, -1 };
-
-static const int grip_abs_gp[]  = { ABS_X, ABS_Y, -1 };
-static const int grip_abs_c64[] = { ABS_X, ABS_Y, -1 };
-
-static const int *grip_abs[] = { NULL, NULL, grip_abs_gp, grip_abs_c64 };
-static const int *grip_btn[] = { NULL, NULL, grip_btn_gp, grip_btn_c64 };
-
-static const char *grip_name[] = { NULL, NULL, "Gravis Grip Pad", "Commodore 64 Joystick" };
-
-static const int init_seq[] = {
-	1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1,
-	1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1,
-	1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1,
-	0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1 };
-
-/* Maps multiport directional values to X,Y axis values (each axis encoded in 3 bits) */
-
-static const int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 };
-
-static int register_slot(int i, struct grip_mp *grip);
-
-/*
- * Returns whether an odd or even number of bits are on in pkt.
- */
-
-static int bit_parity(u32 pkt)
-{
-	int x = pkt ^ (pkt >> 16);
-	x ^= x >> 8;
-	x ^= x >> 4;
-	x ^= x >> 2;
-	x ^= x >> 1;
-	return x & 1;
-}
-
-/*
- * Poll gameport; return true if all bits set in 'onbits' are on and
- * all bits set in 'offbits' are off.
- */
-
-static inline int poll_until(u8 onbits, u8 offbits, int u_sec, struct gameport* gp, u8 *data)
-{
-	int i, nloops;
-
-	nloops = gameport_time(gp, u_sec);
-	for (i = 0; i < nloops; i++) {
-		*data = gameport_read(gp);
-		if ((*data & onbits) == onbits &&
-		    (~(*data) & offbits) == offbits)
-			return 1;
-	}
-	dbg("gameport timed out after %d microseconds.\n", u_sec);
-	return 0;
-}
-
-/*
- * Gets a 28-bit packet from the multiport.
- *
- * After getting a packet successfully, commands encoded by sendcode may
- * be sent to the multiport.
- *
- * The multiport clock value is reflected in gameport bit B4.
- *
- * Returns a packet status code indicating whether packet is valid, the transfer
- * mode, and any error conditions.
- *
- * sendflags:      current I/O status
- * sendcode:   data to send to the multiport if sendflags is nonzero
- */
-
-static int mp_io(struct gameport* gameport, int sendflags, int sendcode, u32 *packet)
-{
-	u8  raw_data;            /* raw data from gameport */
-	u8  data_mask;           /* packet data bits from raw_data */
-	u32 pkt;                 /* packet temporary storage */
-	int bits_per_read;       /* num packet bits per gameport read */
-	int portvals = 0;        /* used for port value sanity check */
-	int i;
-
-	/* Gameport bits B0, B4, B5 should first be off, then B4 should come on. */
-
-	*packet = 0;
-	raw_data = gameport_read(gameport);
-	if (raw_data & 1)
-		return IO_RETRY;
-
-	for (i = 0; i < 64; i++) {
-		raw_data = gameport_read(gameport);
-		portvals |= 1 << ((raw_data >> 4) & 3); /* Demux B4, B5 */
-	}
-
-	if (portvals == 1) {                            /* B4, B5 off */
-		raw_data = gameport_read(gameport);
-		portvals = raw_data & 0xf0;
-
-		if (raw_data & 0x31)
-			return IO_RESET;
-		gameport_trigger(gameport);
-
-		if (!poll_until(0x10, 0, 308, gameport, &raw_data))
-			return IO_RESET;
-	} else
-		return IO_RETRY;
-
-	/* Determine packet transfer mode and prepare for packet construction. */
-
-	if (raw_data & 0x20) {                 /* 3 data bits/read */
-		portvals |= raw_data >> 4;     /* Compare B4-B7 before & after trigger */
-
-		if (portvals != 0xb)
-			return 0;
-		data_mask = 7;
-		bits_per_read = 3;
-		pkt = (PACKET_FULL | PACKET_IO_FAST) >> 28;
-	} else {                                 /* 1 data bit/read */
-		data_mask = 1;
-		bits_per_read = 1;
-		pkt = (PACKET_FULL | PACKET_IO_SLOW) >> 28;
-	}
-
-	/* Construct a packet.  Final data bits must be zero. */
-
-	while (1) {
-		if (!poll_until(0, 0x10, 77, gameport, &raw_data))
-			return IO_RESET;
-		raw_data = (raw_data >> 5) & data_mask;
-
-		if (pkt & PACKET_FULL)
-			break;
-		pkt = (pkt << bits_per_read) | raw_data;
-
-		if (!poll_until(0x10, 0, 77, gameport, &raw_data))
-			return IO_RESET;
-	}
-
-	if (raw_data)
-		return IO_RESET;
-
-	/* If 3 bits/read used, drop from 30 bits to 28. */
-
-	if (bits_per_read == 3) {
-		pkt = (pkt & 0xffff0000) | ((pkt << 1) & 0xffff);
-		pkt = (pkt >> 2) | 0xf0000000;
-	}
-
-	if (bit_parity(pkt) == 1)
-		return IO_RESET;
-
-	/* Acknowledge packet receipt */
-
-	if (!poll_until(0x30, 0, 77, gameport, &raw_data))
-		return IO_RESET;
-
-	raw_data = gameport_read(gameport);
-
-	if (raw_data & 1)
-		return IO_RESET;
-
-	gameport_trigger(gameport);
-
-	if (!poll_until(0, 0x20, 77, gameport, &raw_data))
-		return IO_RESET;
-
-        /* Return if we just wanted the packet or multiport wants to send more */
-
-	*packet = pkt;
-	if ((sendflags == 0) || ((sendflags & IO_RETRY) && !(pkt & PACKET_MP_DONE)))
-		return IO_GOT_PACKET;
-
-	if (pkt & PACKET_MP_MORE)
-		return IO_GOT_PACKET | IO_RETRY;
-
-	/* Multiport is done sending packets and is ready to receive data */
-
-	if (!poll_until(0x20, 0, 77, gameport, &raw_data))
-		return IO_GOT_PACKET | IO_RESET;
-
-	raw_data = gameport_read(gameport);
-	if (raw_data & 1)
-		return IO_GOT_PACKET | IO_RESET;
-
-	/* Trigger gameport based on bits in sendcode */
-
-	gameport_trigger(gameport);
-	do {
-		if (!poll_until(0x20, 0x10, 116, gameport, &raw_data))
-			return IO_GOT_PACKET | IO_RESET;
-
-		if (!poll_until(0x30, 0, 193, gameport, &raw_data))
-			return IO_GOT_PACKET | IO_RESET;
-
-		if (raw_data & 1)
-			return IO_GOT_PACKET | IO_RESET;
-
-		if (sendcode & 1)
-			gameport_trigger(gameport);
-
-		sendcode >>= 1;
-	} while (sendcode);
-
-	return IO_GOT_PACKET | IO_MODE_FAST;
-}
-
-/*
- * Disables and restores interrupts for mp_io(), which does the actual I/O.
- */
-
-static int multiport_io(struct gameport* gameport, int sendflags, int sendcode, u32 *packet)
-{
-	int status;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	status = mp_io(gameport, sendflags, sendcode, packet);
-	local_irq_restore(flags);
-
-	return status;
-}
-
-/*
- * Puts multiport into digital mode.  Multiport LED turns green.
- *
- * Returns true if a valid digital packet was received, false otherwise.
- */
-
-static int dig_mode_start(struct gameport *gameport, u32 *packet)
-{
-	int i;
-	int flags, tries = 0, bads = 0;
-
-	for (i = 0; i < ARRAY_SIZE(init_seq); i++) {     /* Send magic sequence */
-		if (init_seq[i])
-			gameport_trigger(gameport);
-		udelay(GRIP_INIT_DELAY);
-	}
-
-	for (i = 0; i < 16; i++)            /* Wait for multiport to settle */
-		udelay(GRIP_INIT_DELAY);
-
-	while (tries < 64 && bads < 8) {    /* Reset multiport and try getting a packet */
-
-		flags = multiport_io(gameport, IO_RESET, 0x27, packet);
-
-		if (flags & IO_MODE_FAST)
-			return 1;
-
-		if (flags & IO_RETRY)
-			tries++;
-		else
-			bads++;
-	}
-	return 0;
-}
-
-/*
- * Packet structure: B0-B15   => gamepad state
- *                   B16-B20  => gamepad device type
- *                   B21-B24  => multiport slot index (1-4)
- *
- * Known device types: 0x1f (grip pad), 0x0 (no device).  Others may exist.
- *
- * Returns the packet status.
- */
-
-static int get_and_decode_packet(struct grip_mp *grip, int flags)
-{
-	struct grip_port *port;
-	u32 packet;
-	int joytype = 0;
-	int slot;
-
-	/* Get a packet and check for validity */
-
-	flags &= IO_RESET | IO_RETRY;
-	flags = multiport_io(grip->gameport, flags, 0, &packet);
-	grip->reads++;
-
-	if (packet & PACKET_MP_DONE)
-		flags |= IO_DONE;
-
-	if (flags && !(flags & IO_GOT_PACKET)) {
-		grip->bads++;
-		return flags;
-	}
-
-	/* Ignore non-gamepad packets, e.g. multiport hardware version */
-
-	slot = ((packet >> 21) & 0xf) - 1;
-	if ((slot < 0) || (slot > 3))
-		return flags;
-
-	port = grip->port[slot];
-
-	/*
-	 * Handle "reset" packets, which occur at startup, and when gamepads
-	 * are removed or plugged in.  May contain configuration of a new gamepad.
-	 */
-
-	joytype = (packet >> 16) & 0x1f;
-	if (!joytype) {
-
-		if (port->registered) {
-			printk(KERN_INFO "grip_mp: removing %s, slot %d\n",
-			       grip_name[port->mode], slot);
-			input_unregister_device(port->dev);
-			port->registered = 0;
-		}
-		dbg("Reset: grip multiport slot %d\n", slot);
-		port->mode = GRIP_MODE_RESET;
-		flags |= IO_SLOT_CHANGE;
-		return flags;
-	}
-
-	/* Interpret a grip pad packet */
-
-	if (joytype == 0x1f) {
-
-		int dir = (packet >> 8) & 0xf;          /* eight way directional value */
-		port->buttons = (~packet) & 0xff;
-		port->yaxes = ((axis_map[dir] >> 2) & 3) - 1;
-		port->xaxes = (axis_map[dir] & 3) - 1;
-		port->dirty = 1;
-
-		if (port->mode == GRIP_MODE_RESET)
-			flags |= IO_SLOT_CHANGE;
-
-		port->mode = GRIP_MODE_GP;
-
-		if (!port->registered) {
-			dbg("New Grip pad in multiport slot %d.\n", slot);
-			if (register_slot(slot, grip)) {
-				port->mode = GRIP_MODE_RESET;
-				port->dirty = 0;
-			}
-		}
-		return flags;
-	}
-
-	/* Handle non-grip device codes.  For now, just print diagnostics. */
-
-	{
-		static int strange_code = 0;
-		if (strange_code != joytype) {
-			printk(KERN_INFO "Possible non-grip pad/joystick detected.\n");
-			printk(KERN_INFO "Got joy type 0x%x and packet 0x%x.\n", joytype, packet);
-			strange_code = joytype;
-		}
-	}
-	return flags;
-}
-
-/*
- * Returns true if all multiport slot states appear valid.
- */
-
-static int slots_valid(struct grip_mp *grip)
-{
-	int flags, slot, invalid = 0, active = 0;
-
-	flags = get_and_decode_packet(grip, 0);
-	if (!(flags & IO_GOT_PACKET))
-		return 0;
-
-	for (slot = 0; slot < 4; slot++) {
-		if (grip->port[slot]->mode == GRIP_MODE_RESET)
-			invalid = 1;
-		if (grip->port[slot]->mode != GRIP_MODE_NONE)
-			active = 1;
-	}
-
-	/* Return true if no active slot but multiport sent all its data */
-	if (!active)
-		return (flags & IO_DONE) ? 1 : 0;
-
-	/* Return false if invalid device code received */
-	return invalid ? 0 : 1;
-}
-
-/*
- * Returns whether the multiport was placed into digital mode and
- * able to communicate its state successfully.
- */
-
-static int multiport_init(struct grip_mp *grip)
-{
-	int dig_mode, initialized = 0, tries = 0;
-	u32 packet;
-
-	dig_mode = dig_mode_start(grip->gameport, &packet);
-	while (!dig_mode && tries < 4) {
-		dig_mode = dig_mode_start(grip->gameport, &packet);
-		tries++;
-	}
-
-	if (dig_mode)
-		dbg("multiport_init(): digital mode activated.\n");
-	else {
-		dbg("multiport_init(): unable to activate digital mode.\n");
-		return 0;
-	}
-
-	/* Get packets, store multiport state, and check state's validity */
-	for (tries = 0; tries < 4096; tries++) {
-		if (slots_valid(grip)) {
-			initialized = 1;
-			break;
-		}
-	}
-	dbg("multiport_init(): initialized == %d\n", initialized);
-	return initialized;
-}
-
-/*
- * Reports joystick state to the linux input layer.
- */
-
-static void report_slot(struct grip_mp *grip, int slot)
-{
-	struct grip_port *port = grip->port[slot];
-	int i;
-
-	/* Store button states with linux input driver */
-
-	for (i = 0; i < 8; i++)
-		input_report_key(port->dev, grip_btn_gp[i], (port->buttons >> i) & 1);
-
-	/* Store axis states with linux driver */
-
-	input_report_abs(port->dev, ABS_X, port->xaxes);
-	input_report_abs(port->dev, ABS_Y, port->yaxes);
-
-	/* Tell the receiver of the events to process them */
-
-	input_sync(port->dev);
-
-	port->dirty = 0;
-}
-
-/*
- * Get the multiport state.
- */
-
-static void grip_poll(struct gameport *gameport)
-{
-	struct grip_mp *grip = gameport_get_drvdata(gameport);
-	int i, npkts, flags;
-
-	for (npkts = 0; npkts < 4; npkts++) {
-		flags = IO_RETRY;
-		for (i = 0; i < 32; i++) {
-			flags = get_and_decode_packet(grip, flags);
-			if ((flags & IO_GOT_PACKET) || !(flags & IO_RETRY))
-				break;
-		}
-		if (flags & IO_DONE)
-			break;
-	}
-
-	for (i = 0; i < 4; i++)
-		if (grip->port[i]->dirty)
-			report_slot(grip, i);
-}
-
-/*
- * Called when a joystick device file is opened
- */
-
-static int grip_open(struct input_dev *dev)
-{
-	struct grip_mp *grip = input_get_drvdata(dev);
-
-	gameport_start_polling(grip->gameport);
-	return 0;
-}
-
-/*
- * Called when a joystick device file is closed
- */
-
-static void grip_close(struct input_dev *dev)
-{
-	struct grip_mp *grip = input_get_drvdata(dev);
-
-	gameport_stop_polling(grip->gameport);
-}
-
-/*
- * Tell the linux input layer about a newly plugged-in gamepad.
- */
-
-static int register_slot(int slot, struct grip_mp *grip)
-{
-	struct grip_port *port = grip->port[slot];
-	struct input_dev *input_dev;
-	int j, t;
-	int err;
-
-	port->dev = input_dev = input_allocate_device();
-	if (!input_dev)
-		return -ENOMEM;
-
-	input_dev->name = grip_name[port->mode];
-	input_dev->id.bustype = BUS_GAMEPORT;
-	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
-	input_dev->id.product = 0x0100 + port->mode;
-	input_dev->id.version = 0x0100;
-	input_dev->dev.parent = &grip->gameport->dev;
-
-	input_set_drvdata(input_dev, grip);
-
-	input_dev->open = grip_open;
-	input_dev->close = grip_close;
-
-	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-
-	for (j = 0; (t = grip_abs[port->mode][j]) >= 0; j++)
-		input_set_abs_params(input_dev, t, -1, 1, 0, 0);
-
-	for (j = 0; (t = grip_btn[port->mode][j]) >= 0; j++)
-		if (t > 0)
-			set_bit(t, input_dev->keybit);
-
-	err = input_register_device(port->dev);
-	if (err) {
-		input_free_device(port->dev);
-		return err;
-	}
-
-	port->registered = 1;
-
-	if (port->dirty)	            /* report initial state, if any */
-		report_slot(grip, slot);
-
-	return 0;
-}
-
-static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
-{
-	struct grip_mp *grip;
-	int err;
-
-	if (!(grip = kzalloc(sizeof(struct grip_mp), GFP_KERNEL)))
-		return -ENOMEM;
-
-	grip->gameport = gameport;
-
-	gameport_set_drvdata(gameport, grip);
-
-	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
-	if (err)
-		goto fail1;
-
-	gameport_set_poll_handler(gameport, grip_poll);
-	gameport_set_poll_interval(gameport, 20);
-
-	if (!multiport_init(grip)) {
-		err = -ENODEV;
-		goto fail2;
-	}
-
-	if (!grip->port[0]->mode && !grip->port[1]->mode && !grip->port[2]->mode && !grip->port[3]->mode) {
-		/* nothing plugged in */
-		err = -ENODEV;
-		goto fail2;
-	}
-
-	return 0;
-
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
-	kfree(grip);
-	return err;
-}
-
-static void grip_disconnect(struct gameport *gameport)
-{
-	struct grip_mp *grip = gameport_get_drvdata(gameport);
-	int i;
-
-	for (i = 0; i < 4; i++)
-		if (grip->port[i]->registered)
-			input_unregister_device(grip->port[i]->dev);
-	gameport_close(gameport);
-	gameport_set_drvdata(gameport, NULL);
-	kfree(grip);
-}
-
-static struct gameport_driver grip_drv = {
-	.driver		= {
-		.name	= "grip_mp",
-	},
-	.description	= DRIVER_DESC,
-	.connect	= grip_connect,
-	.disconnect	= grip_disconnect,
-};
-
-static int __init grip_init(void)
-{
-	return gameport_register_driver(&grip_drv);
-}
-
-static void __exit grip_exit(void)
-{
-	gameport_unregister_driver(&grip_drv);
-}
-
-module_init(grip_init);
-module_exit(grip_exit);