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HID: wiimote: add Classic Controller extension 

Add a new extension module for the classic controller so we get hotplug
support for this device. It is mostly the same as the old static classic
controller parser.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Herrmann 2013-05-05 23:13:00 +02:00 committed by Jiri Kosina
parent b6ee67b37c
commit 9d6f9ecb0c
3 changed files with 286 additions and 0 deletions
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6
drivers/hid/hid-wiimote-core.c
View File

@ -446,6 +446,8 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
if (rmem[4] == 0x00 && rmem[5] == 0x00)
return WIIMOTE_EXT_NUNCHUK;
if (rmem[4] == 0x01 && rmem[5] == 0x01)
return WIIMOTE_EXT_CLASSIC_CONTROLLER;
if (rmem[4] == 0x04 && rmem[5] == 0x02)
return WIIMOTE_EXT_BALANCE_BOARD;
@ -480,6 +482,9 @@ static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
/* map MP with correct pass-through mode */
switch (exttype) {
case WIIMOTE_EXT_CLASSIC_CONTROLLER:
wmem = 0x07;
break;
case WIIMOTE_EXT_NUNCHUK:
wmem = 0x05;
break;
@ -1040,6 +1045,7 @@ static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_NONE] = "None",
[WIIMOTE_EXT_UNKNOWN] = "Unknown",
[WIIMOTE_EXT_NUNCHUK] = "Nintendo Wii Nunchuk",
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller",
[WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board",
};

279
drivers/hid/hid-wiimote-modules.c
View File

@ -985,6 +985,284 @@ static const struct wiimod_ops wiimod_nunchuk = {
.in_ext = wiimod_nunchuk_in_ext,
};
/*
* Classic Controller
* Another official extension from Nintendo. It provides a classic
* gamecube-like controller that can be hotplugged on the Wii Remote.
* It has several hardware buttons and switches that are all reported via
* a normal extension device.
*/
enum wiimod_classic_keys {
WIIMOD_CLASSIC_KEY_A,
WIIMOD_CLASSIC_KEY_B,
WIIMOD_CLASSIC_KEY_X,
WIIMOD_CLASSIC_KEY_Y,
WIIMOD_CLASSIC_KEY_ZL,
WIIMOD_CLASSIC_KEY_ZR,
WIIMOD_CLASSIC_KEY_PLUS,
WIIMOD_CLASSIC_KEY_MINUS,
WIIMOD_CLASSIC_KEY_HOME,
WIIMOD_CLASSIC_KEY_LEFT,
WIIMOD_CLASSIC_KEY_RIGHT,
WIIMOD_CLASSIC_KEY_UP,
WIIMOD_CLASSIC_KEY_DOWN,
WIIMOD_CLASSIC_KEY_LT,
WIIMOD_CLASSIC_KEY_RT,
WIIMOD_CLASSIC_KEY_NUM,
};
static const __u16 wiimod_classic_map[] = {
BTN_A, /* WIIMOD_CLASSIC_KEY_A */
BTN_B, /* WIIMOD_CLASSIC_KEY_B */
BTN_X, /* WIIMOD_CLASSIC_KEY_X */
BTN_Y, /* WIIMOD_CLASSIC_KEY_Y */
BTN_TL2, /* WIIMOD_CLASSIC_KEY_ZL */
BTN_TR2, /* WIIMOD_CLASSIC_KEY_ZR */
KEY_NEXT, /* WIIMOD_CLASSIC_KEY_PLUS */
KEY_PREVIOUS, /* WIIMOD_CLASSIC_KEY_MINUS */
BTN_MODE, /* WIIMOD_CLASSIC_KEY_HOME */
KEY_LEFT, /* WIIMOD_CLASSIC_KEY_LEFT */
KEY_RIGHT, /* WIIMOD_CLASSIC_KEY_RIGHT */
KEY_UP, /* WIIMOD_CLASSIC_KEY_UP */
KEY_DOWN, /* WIIMOD_CLASSIC_KEY_DOWN */
BTN_TL, /* WIIMOD_CLASSIC_KEY_LT */
BTN_TR, /* WIIMOD_CLASSIC_KEY_RT */
};
static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
{
__s8 rx, ry, lx, ly, lt, rt;
/* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | RX <5:4> | LX <5:0> |
* 2 | RX <3:2> | LY <5:0> |
* -----+-----+-----+-----+-----------------------------+
* 3 |RX<1>| LT <5:4> | RY <5:1> |
* -----+-----+-----------+-----------------------------+
* 4 | LT <3:1> | RT <5:1> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | BDR | BDD | BLT | B- | BH | B+ | BRT | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BZL | BB | BY | BA | BX | BZR | BDL | BDU |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* All buttons are 0 if pressed
* RX and RY are right analog stick
* LX and LY are left analog stick
* LT is left trigger, RT is right trigger
* BLT is 0 if left trigger is fully pressed
* BRT is 0 if right trigger is fully pressed
* BDR, BDD, BDL, BDU form the D-Pad with right, down, left, up buttons
* BZL is left Z button and BZR is right Z button
* B-, BH, B+ are +, HOME and - buttons
* BB, BY, BA, BX are A, B, X, Y buttons
* LSB of RX, RY, LT, and RT are not transmitted and always 0.
*
* With motionp enabled it changes slightly to this:
* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | RX <4:3> | LX <5:1> | BDU |
* 2 | RX <2:1> | LY <5:1> | BDL |
* -----+-----+-----+-----+-----------------------+-----+
* 3 |RX<0>| LT <4:3> | RY <4:0> |
* -----+-----+-----------+-----------------------------+
* 4 | LT <2:0> | RT <4:0> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | BDR | BDD | BLT | B- | BH | B+ | BRT | EXT |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BZL | BB | BY | BA | BX | BZR | 0 | 0 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* Only the LSBs of LX and LY are lost. BDU and BDL are moved, the rest
* is the same as before.
*/
if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
lx = ext[0] & 0x3e;
ly = ext[0] & 0x3e;
} else {
lx = ext[0] & 0x3f;
ly = ext[0] & 0x3f;
}
rx = (ext[0] >> 3) & 0x14;
rx |= (ext[1] >> 5) & 0x06;
rx |= (ext[2] >> 7) & 0x01;
ry = ext[2] & 0x1f;
rt = ext[3] & 0x1f;
lt = (ext[2] >> 2) & 0x18;
lt |= (ext[3] >> 5) & 0x07;
rx <<= 1;
ry <<= 1;
rt <<= 1;
lt <<= 1;
input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT3X, rt - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT3Y, lt - 0x20);
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT],
!(ext[4] & 0x80));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN],
!(ext[4] & 0x40));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_LT],
!(ext[4] & 0x20));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_MINUS],
!(ext[4] & 0x10));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_HOME],
!(ext[4] & 0x08));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_PLUS],
!(ext[4] & 0x04));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_RT],
!(ext[4] & 0x02));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZL],
!(ext[5] & 0x80));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_B],
!(ext[5] & 0x40));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_Y],
!(ext[5] & 0x20));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_A],
!(ext[5] & 0x10));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_X],
!(ext[5] & 0x08));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZR],
!(ext[5] & 0x04));
if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
!(ext[1] & 0x01));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
!(ext[0] & 0x01));
} else {
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
!(ext[5] & 0x02));
input_report_key(wdata->extension.input,
wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
!(ext[5] & 0x01));
}
input_sync(wdata->extension.input);
}
static int wiimod_classic_open(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
static void wiimod_classic_close(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
}
static int wiimod_classic_probe(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
int ret, i;
wdata->extension.input = input_allocate_device();
if (!wdata->extension.input)
return -ENOMEM;
input_set_drvdata(wdata->extension.input, wdata);
wdata->extension.input->open = wiimod_classic_open;
wdata->extension.input->close = wiimod_classic_close;
wdata->extension.input->dev.parent = &wdata->hdev->dev;
wdata->extension.input->id.bustype = wdata->hdev->bus;
wdata->extension.input->id.vendor = wdata->hdev->vendor;
wdata->extension.input->id.product = wdata->hdev->product;
wdata->extension.input->id.version = wdata->hdev->version;
wdata->extension.input->name = WIIMOTE_NAME " Classic Controller";
set_bit(EV_KEY, wdata->extension.input->evbit);
for (i = 0; i < WIIMOD_CLASSIC_KEY_NUM; ++i)
set_bit(wiimod_classic_map[i],
wdata->extension.input->keybit);
set_bit(EV_ABS, wdata->extension.input->evbit);
set_bit(ABS_HAT1X, wdata->extension.input->absbit);
set_bit(ABS_HAT1Y, wdata->extension.input->absbit);
set_bit(ABS_HAT2X, wdata->extension.input->absbit);
set_bit(ABS_HAT2Y, wdata->extension.input->absbit);
set_bit(ABS_HAT3X, wdata->extension.input->absbit);
set_bit(ABS_HAT3Y, wdata->extension.input->absbit);
input_set_abs_params(wdata->extension.input,
ABS_HAT1X, -30, 30, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT1Y, -30, 30, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT2X, -30, 30, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT2Y, -30, 30, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT3X, -30, 30, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT3Y, -30, 30, 1, 1);
ret = input_register_device(wdata->extension.input);
if (ret)
goto err_free;
return 0;
err_free:
input_free_device(wdata->extension.input);
wdata->extension.input = NULL;
return ret;
}
static void wiimod_classic_remove(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
if (!wdata->extension.input)
return;
input_unregister_device(wdata->extension.input);
wdata->extension.input = NULL;
}
static const struct wiimod_ops wiimod_classic = {
.flags = 0,
.arg = 0,
.probe = wiimod_classic_probe,
.remove = wiimod_classic_remove,
.in_ext = wiimod_classic_in_ext,
};
/*
* Balance Board Extension
* The Nintendo Wii Balance Board provides four hardware weight sensor plus a
@ -1224,5 +1502,6 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_NONE] = &wiimod_dummy,
[WIIMOTE_EXT_UNKNOWN] = &wiimod_dummy,
[WIIMOTE_EXT_NUNCHUK] = &wiimod_nunchuk,
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic,
[WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard,
};

1
drivers/hid/hid-wiimote.h
View File

@ -81,6 +81,7 @@ enum wiimote_exttype {
WIIMOTE_EXT_NONE,
WIIMOTE_EXT_UNKNOWN,
WIIMOTE_EXT_NUNCHUK,
WIIMOTE_EXT_CLASSIC_CONTROLLER,
WIIMOTE_EXT_BALANCE_BOARD,
WIIMOTE_EXT_NUM,
};