mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2025-01-09 14:43:16 +00:00
HID: wiimote: Parse classic controller data
Nintendo Classic Controller extension reports lots of keys, two analog sticks and two analog buttons. We report all data through extension input device to userspace. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Herrmann
Jiri Kosina
parent
a53535014b
commit
5906215bab
@ -39,12 +39,42 @@ enum wiiext_type {
|
||||
enum wiiext_keys {
|
||||
WIIEXT_KEY_C,
|
||||
WIIEXT_KEY_Z,
|
||||
WIIEXT_KEY_A,
|
||||
WIIEXT_KEY_B,
|
||||
WIIEXT_KEY_X,
|
||||
WIIEXT_KEY_Y,
|
||||
WIIEXT_KEY_ZL,
|
||||
WIIEXT_KEY_ZR,
|
||||
WIIEXT_KEY_PLUS,
|
||||
WIIEXT_KEY_MINUS,
|
||||
WIIEXT_KEY_HOME,
|
||||
WIIEXT_KEY_LEFT,
|
||||
WIIEXT_KEY_RIGHT,
|
||||
WIIEXT_KEY_UP,
|
||||
WIIEXT_KEY_DOWN,
|
||||
WIIEXT_KEY_LT,
|
||||
WIIEXT_KEY_RT,
|
||||
WIIEXT_KEY_COUNT
|
||||
};
|
||||
|
||||
static __u16 wiiext_keymap[] = {
|
||||
BTN_C, /* WIIEXT_KEY_C */
|
||||
BTN_Z, /* WIIEXT_KEY_Z */
|
||||
BTN_A, /* WIIEXT_KEY_A */
|
||||
BTN_B, /* WIIEXT_KEY_B */
|
||||
BTN_X, /* WIIEXT_KEY_X */
|
||||
BTN_Y, /* WIIEXT_KEY_Y */
|
||||
BTN_TL2, /* WIIEXT_KEY_ZL */
|
||||
BTN_TR2, /* WIIEXT_KEY_ZR */
|
||||
KEY_NEXT, /* WIIEXT_KEY_PLUS */
|
||||
KEY_PREVIOUS, /* WIIEXT_KEY_MINUS */
|
||||
BTN_MODE, /* WIIEXT_KEY_HOME */
|
||||
KEY_LEFT, /* WIIEXT_KEY_LEFT */
|
||||
KEY_RIGHT, /* WIIEXT_KEY_RIGHT */
|
||||
KEY_UP, /* WIIEXT_KEY_UP */
|
||||
KEY_DOWN, /* WIIEXT_KEY_DOWN */
|
||||
BTN_TL, /* WIIEXT_KEY_LT */
|
||||
BTN_TR, /* WIIEXT_KEY_RT */
|
||||
};
|
||||
|
||||
/* diable all extensions */
|
||||
@ -363,6 +393,120 @@ static void handler_nunchuck(struct wiimote_ext *ext, const __u8 *payload)
|
||||
|
||||
static void handler_classic(struct wiimote_ext *ext, const __u8 *payload)
|
||||
{
|
||||
__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 (ext->motionp) {
|
||||
lx = payload[0] & 0x3e;
|
||||
ly = payload[0] & 0x3e;
|
||||
} else {
|
||||
lx = payload[0] & 0x3f;
|
||||
ly = payload[0] & 0x3f;
|
||||
}
|
||||
|
||||
rx = (payload[0] >> 3) & 0x14;
|
||||
rx |= (payload[1] >> 5) & 0x06;
|
||||
rx |= (payload[2] >> 7) & 0x01;
|
||||
ry = payload[2] & 0x1f;
|
||||
|
||||
rt = payload[3] & 0x1f;
|
||||
lt = (payload[2] >> 2) & 0x18;
|
||||
lt |= (payload[3] >> 5) & 0x07;
|
||||
|
||||
rx <<= 1;
|
||||
ry <<= 1;
|
||||
rt <<= 1;
|
||||
lt <<= 1;
|
||||
|
||||
input_report_abs(ext->input, ABS_HAT1X, lx - 0x20);
|
||||
input_report_abs(ext->input, ABS_HAT1Y, ly - 0x20);
|
||||
input_report_abs(ext->input, ABS_HAT2X, rx - 0x20);
|
||||
input_report_abs(ext->input, ABS_HAT2Y, ry - 0x20);
|
||||
input_report_abs(ext->input, ABS_HAT3X, rt - 0x20);
|
||||
input_report_abs(ext->input, ABS_HAT3Y, lt - 0x20);
|
||||
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_RIGHT],
|
||||
!!(payload[4] & 0x80));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_DOWN],
|
||||
!!(payload[4] & 0x40));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_LT],
|
||||
!!(payload[4] & 0x20));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_MINUS],
|
||||
!!(payload[4] & 0x10));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_HOME],
|
||||
!!(payload[4] & 0x08));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_PLUS],
|
||||
!!(payload[4] & 0x04));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_RT],
|
||||
!!(payload[4] & 0x02));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_ZL],
|
||||
!!(payload[5] & 0x80));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_B],
|
||||
!!(payload[5] & 0x40));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_Y],
|
||||
!!(payload[5] & 0x20));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_A],
|
||||
!!(payload[5] & 0x10));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_X],
|
||||
!!(payload[5] & 0x08));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_ZR],
|
||||
!!(payload[5] & 0x04));
|
||||
|
||||
if (ext->motionp) {
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_UP],
|
||||
!!(payload[0] & 0x01));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_LEFT],
|
||||
!!(payload[1] & 0x01));
|
||||
} else {
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_UP],
|
||||
!!(payload[5] & 0x01));
|
||||
input_report_key(ext->input, wiiext_keymap[WIIEXT_KEY_LEFT],
|
||||
!!(payload[5] & 0x02));
|
||||
}
|
||||
|
||||
input_sync(ext->input);
|
||||
}
|
||||
|
||||
/* call this with state.lock spinlock held */
|
||||
@ -502,8 +646,20 @@ int wiiext_init(struct wiimote_data *wdata)
|
||||
set_bit(EV_ABS, ext->input->evbit);
|
||||
set_bit(ABS_HAT0X, ext->input->absbit);
|
||||
set_bit(ABS_HAT0Y, ext->input->absbit);
|
||||
set_bit(ABS_HAT1X, ext->input->absbit);
|
||||
set_bit(ABS_HAT1Y, ext->input->absbit);
|
||||
set_bit(ABS_HAT2X, ext->input->absbit);
|
||||
set_bit(ABS_HAT2Y, ext->input->absbit);
|
||||
set_bit(ABS_HAT3X, ext->input->absbit);
|
||||
set_bit(ABS_HAT3Y, ext->input->absbit);
|
||||
input_set_abs_params(ext->input, ABS_HAT0X, -120, 120, 2, 4);
|
||||
input_set_abs_params(ext->input, ABS_HAT0Y, -120, 120, 2, 4);
|
||||
input_set_abs_params(ext->input, ABS_HAT1X, -30, 30, 1, 1);
|
||||
input_set_abs_params(ext->input, ABS_HAT1Y, -30, 30, 1, 1);
|
||||
input_set_abs_params(ext->input, ABS_HAT2X, -30, 30, 1, 1);
|
||||
input_set_abs_params(ext->input, ABS_HAT2Y, -30, 30, 1, 1);
|
||||
input_set_abs_params(ext->input, ABS_HAT3X, -30, 30, 1, 1);
|
||||
input_set_abs_params(ext->input, ABS_HAT3Y, -30, 30, 1, 1);
|
||||
set_bit(ABS_RX, ext->input->absbit);
|
||||
set_bit(ABS_RY, ext->input->absbit);
|
||||
set_bit(ABS_RZ, ext->input->absbit);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user