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[PATCH] drivers/input/joystick: convert to dynamic input_dev allocation

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Input: convert drivers/input/joystick to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov
2005-09-15 02:01:52 -05:00
committed by Greg Kroah-Hartman
parent 0259567ad6
commit 17dd3f0f7a
25 changed files with 1486 additions and 1256 deletions
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149
drivers/input/joystick/grip_mp.c
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@@ -32,23 +32,37 @@ MODULE_LICENSE("GPL");
#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 input_dev dev[4];
int mode[4];
int registered[4];
struct grip_port *port[GRIP_MAX_PORTS];
// struct input_dev *dev[4];
// int mode[4];
// int registered[4];
int reads;
int bads;
/* individual gamepad states */
int buttons[4];
int xaxes[4];
int yaxes[4];
int dirty[4]; /* has the state been updated? */
// int buttons[4];
// int xaxes[4];
// int yaxes[4];
// int dirty[4]; /* has the state been updated? */
};
/*
@@ -85,16 +99,16 @@ struct grip_mp {
#define GRIP_MODE_GP 2
#define GRIP_MODE_C64 3
static int grip_btn_gp[] = { BTN_TR, BTN_TL, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, -1 };
static int grip_btn_c64[] = { BTN_JOYSTICK, -1 };
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 int grip_abs_gp[] = { ABS_X, ABS_Y, -1 };
static int grip_abs_c64[] = { ABS_X, ABS_Y, -1 };
static const int grip_abs_gp[] = { ABS_X, ABS_Y, -1 };
static const int grip_abs_c64[] = { ABS_X, ABS_Y, -1 };
static int *grip_abs[] = { NULL, NULL, grip_abs_gp, grip_abs_c64 };
static int *grip_btn[] = { NULL, NULL, grip_btn_gp, grip_btn_c64 };
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 char *grip_name[] = { NULL, NULL, "Gravis Grip Pad", "Commodore 64 Joystick" };
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,
@@ -104,9 +118,9 @@ static const int init_seq[] = {
/* Maps multiport directional values to X,Y axis values (each axis encoded in 3 bits) */
static int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 };
static const int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 };
static void register_slot(int i, struct grip_mp *grip);
static int register_slot(int i, struct grip_mp *grip);
/*
* Returns whether an odd or even number of bits are on in pkt.
@@ -353,9 +367,10 @@ static int dig_mode_start(struct gameport *gameport, u32 *packet)
static int get_and_decode_packet(struct grip_mp *grip, int flags)
{
struct grip_port *port;
u32 packet;
int joytype = 0;
int slot = 0;
int slot;
/* Get a packet and check for validity */
@@ -377,6 +392,8 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
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.
@@ -385,14 +402,14 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
joytype = (packet >> 16) & 0x1f;
if (!joytype) {
if (grip->registered[slot]) {
if (port->registered) {
printk(KERN_INFO "grip_mp: removing %s, slot %d\n",
grip_name[grip->mode[slot]], slot);
input_unregister_device(grip->dev + slot);
grip->registered[slot] = 0;
grip_name[port->mode], slot);
input_unregister_device(port->dev);
port->registered = 0;
}
dbg("Reset: grip multiport slot %d\n", slot);
grip->mode[slot] = GRIP_MODE_RESET;
port->mode = GRIP_MODE_RESET;
flags |= IO_SLOT_CHANGE;
return flags;
}
@@ -402,17 +419,17 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
if (joytype == 0x1f) {
int dir = (packet >> 8) & 0xf; /* eight way directional value */
grip->buttons[slot] = (~packet) & 0xff;
grip->yaxes[slot] = ((axis_map[dir] >> 2) & 3) - 1;
grip->xaxes[slot] = (axis_map[dir] & 3) - 1;
grip->dirty[slot] = 1;
port->buttons = (~packet) & 0xff;
port->yaxes = ((axis_map[dir] >> 2) & 3) - 1;
port->xaxes = (axis_map[dir] & 3) - 1;
port->dirty = 1;
if (grip->mode[slot] == GRIP_MODE_RESET)
if (port->mode == GRIP_MODE_RESET)
flags |= IO_SLOT_CHANGE;
grip->mode[slot] = GRIP_MODE_GP;
port->mode = GRIP_MODE_GP;
if (!grip->registered[slot]) {
if (!port->registered) {
dbg("New Grip pad in multiport slot %d.\n", slot);
register_slot(slot, grip);
}
@@ -445,9 +462,9 @@ static int slots_valid(struct grip_mp *grip)
return 0;
for (slot = 0; slot < 4; slot++) {
if (grip->mode[slot] == GRIP_MODE_RESET)
if (grip->port[slot]->mode == GRIP_MODE_RESET)
invalid = 1;
if (grip->mode[slot] != GRIP_MODE_NONE)
if (grip->port[slot]->mode != GRIP_MODE_NONE)
active = 1;
}
@@ -484,7 +501,7 @@ static int multiport_init(struct grip_mp *grip)
/* Get packets, store multiport state, and check state's validity */
for (tries = 0; tries < 4096; tries++) {
if ( slots_valid(grip) ) {
if (slots_valid(grip)) {
initialized = 1;
break;
}
@@ -499,24 +516,24 @@ static int multiport_init(struct grip_mp *grip)
static void report_slot(struct grip_mp *grip, int slot)
{
struct input_dev *dev = &(grip->dev[slot]);
int i, buttons = grip->buttons[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(dev, grip_btn_gp[i], (buttons >> i) & 1);
input_report_key(port->dev, grip_btn_gp[i], (port->buttons >> i) & 1);
/* Store axis states with linux driver */
input_report_abs(dev, ABS_X, grip->xaxes[slot]);
input_report_abs(dev, ABS_Y, grip->yaxes[slot]);
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(dev);
input_sync(port->dev);
grip->dirty[slot] = 0;
port->dirty = 0;
}
/*
@@ -540,7 +557,7 @@ static void grip_poll(struct gameport *gameport)
}
for (i = 0; i < 4; i++)
if (grip->dirty[i])
if (grip->port[i]->dirty)
report_slot(grip, i);
}
@@ -571,35 +588,43 @@ static void grip_close(struct input_dev *dev)
* Tell the linux input layer about a newly plugged-in gamepad.
*/
static void register_slot(int slot, struct grip_mp *grip)
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;
grip->dev[slot].private = grip;
grip->dev[slot].open = grip_open;
grip->dev[slot].close = grip_close;
grip->dev[slot].name = grip_name[grip->mode[slot]];
grip->dev[slot].id.bustype = BUS_GAMEPORT;
grip->dev[slot].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
grip->dev[slot].id.product = 0x0100 + grip->mode[slot];
grip->dev[slot].id.version = 0x0100;
grip->dev[slot].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
port->dev = input_dev = input_allocate_device();
if (!input_dev)
return -ENOMEM;
for (j = 0; (t = grip_abs[grip->mode[slot]][j]) >= 0; j++)
input_set_abs_params(&grip->dev[slot], t, -1, 1, 0, 0);
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->cdev.dev = &grip->gameport->dev;
input_dev->private = grip;
for (j = 0; (t = grip_btn[grip->mode[slot]][j]) >= 0; j++)
input_dev->open = grip_open;
input_dev->close = grip_close;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(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, grip->dev[slot].keybit);
set_bit(t, input_dev->keybit);
input_register_device(grip->dev + slot);
grip->registered[slot] = 1;
input_register_device(port->dev);
port->registered = 1;
if (grip->dirty[slot]) /* report initial state, if any */
if (port->dirty) /* report initial state, if any */
report_slot(grip, slot);
printk(KERN_INFO "grip_mp: added %s, slot %d\n",
grip_name[grip->mode[slot]], slot);
return 0;
}
static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
@@ -626,7 +651,7 @@ static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
goto fail2;
}
if (!grip->mode[0] && !grip->mode[1] && !grip->mode[2] && !grip->mode[3]) {
if (!grip->port[0]->mode && !grip->port[1]->mode && !grip->port[2]->mode && !grip->port[3]->mode) {
/* nothing plugged in */
err = -ENODEV;
goto fail2;
@@ -646,8 +671,8 @@ static void grip_disconnect(struct gameport *gameport)
int i;
for (i = 0; i < 4; i++)
if (grip->registered[i])
input_unregister_device(grip->dev + i);
if (grip->port[i]->registered)
input_unregister_device(grip->port[i]->dev);
gameport_close(gameport);
gameport_set_drvdata(gameport, NULL);
kfree(grip);