WIIEXT_NUNCHUCK, /* Nintendo nunchuck controller */
};
+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 */
static void ext_disable(struct wiimote_ext *ext)
{
static void handler_nunchuck(struct wiimote_ext *ext, const __u8 *payload)
{
+ __s16 x, y, z, bx, by;
+
+ /* Byte | 8 7 | 6 5 | 4 3 | 2 | 1 |
+ * -----+----------+---------+---------+----+-----+
+ * 1 | Button X <7:0> |
+ * 2 | Button Y <7:0> |
+ * -----+----------+---------+---------+----+-----+
+ * 3 | Speed X <9:2> |
+ * 4 | Speed Y <9:2> |
+ * 5 | Speed Z <9:2> |
+ * -----+----------+---------+---------+----+-----+
+ * 6 | Z <1:0> | Y <1:0> | X <1:0> | BC | BZ |
+ * -----+----------+---------+---------+----+-----+
+ * Button X/Y is the analog stick. Speed X, Y and Z are the
+ * accelerometer data in the same format as the wiimote's accelerometer.
+ * The 6th byte contains the LSBs of the accelerometer data.
+ * BC and BZ are the C and Z buttons: 0 means pressed
+ *
+ * If reported interleaved with motionp, then the layout changes. The
+ * 5th and 6th byte changes to:
+ * -----+-----------------------------------+-----+
+ * 5 | Speed Z <9:3> | EXT |
+ * -----+--------+-----+-----+----+----+----+-----+
+ * 6 |Z <2:1> |Y <1>|X <1>| BC | BZ | 0 | 0 |
+ * -----+--------+-----+-----+----+----+----+-----+
+ * All three accelerometer values lose their LSB. The other data is
+ * still available but slightly moved.
+ *
+ * Center data for button values is 128. Center value for accelerometer
+ * values it 512 / 0x200
+ */
+
+ bx = payload[0];
+ by = payload[1];
+ bx -= 128;
+ by -= 128;
+
+ x = payload[2] << 2;
+ y = payload[3] << 2;
+ z = payload[4] << 2;
+
+ if (ext->motionp) {
+ x |= (payload[5] >> 3) & 0x02;
+ y |= (payload[5] >> 4) & 0x02;
+ z &= ~0x4;
+ z |= (payload[5] >> 5) & 0x06;
+ } else {
+ x |= (payload[5] >> 2) & 0x03;
+ y |= (payload[5] >> 4) & 0x03;
+ z |= (payload[5] >> 6) & 0x03;
+ }
+
+ x -= 0x200;
+ y -= 0x200;
+ z -= 0x200;
+
+ input_report_abs(ext->input, ABS_HAT0X, bx);
+ input_report_abs(ext->input, ABS_HAT0Y, by);
+
+ input_report_abs(ext->input, ABS_RX, x);
+ input_report_abs(ext->input, ABS_RY, y);
+ input_report_abs(ext->input, ABS_RZ, z);
+
+ if (ext->motionp) {
+ input_report_key(ext->input,
+ wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x04));
+ input_report_key(ext->input,
+ wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x08));
+ } else {
+ input_report_key(ext->input,
+ wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x01));
+ input_report_key(ext->input,
+ wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x02));
+ }
+
+ input_sync(ext->input);
}
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 */
{
struct wiimote_ext *ext;
unsigned long flags;
- int ret;
+ int ret, i;
ext = kzalloc(sizeof(*ext), GFP_KERNEL);
if (!ext)
ext->input->id.version = wdata->hdev->version;
ext->input->name = WIIMOTE_NAME " Extension";
+ set_bit(EV_KEY, ext->input->evbit);
+ for (i = 0; i < WIIEXT_KEY_COUNT; ++i)
+ set_bit(wiiext_keymap[i], ext->input->keybit);
+
+ 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);
+ input_set_abs_params(ext->input, ABS_RX, -500, 500, 2, 4);
+ input_set_abs_params(ext->input, ABS_RY, -500, 500, 2, 4);
+ input_set_abs_params(ext->input, ABS_RZ, -500, 500, 2, 4);
+
ret = input_register_device(ext->input);
if (ret) {
input_free_device(ext->input);
projects / deliverable / linux.git / blobdiff