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@xxxxxxxxx>
---
drivers/hid/hid-wiimote-core.c | 6 +
drivers/hid/hid-wiimote-modules.c | 279 ++++++++++++++++++++++++++++++++++++++
drivers/hid/hid-wiimote.h | 1 +
3 files changed, 286 insertions(+)
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 39a65e0..6f930f1 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -435,6 +435,8 @@ 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;
@@ -469,6 +471,9 @@ 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;
@@ -1012,6 +1017,7 @@ 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",
};
diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c
index e4bcc09..a1a4438 100644
--- a/drivers/hid/hid-wiimote-modules.c
+++ b/drivers/hid/hid-wiimote-modules.c
@@ -986,6 +986,284 @@ static const struct wiimod_ops wiimod_nunchuk = {
};
/*
+ * 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_UP],
+ !!(ext[0] & 0x01));
+ input_report_key(wdata->extension.input,
+ wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
+ !!(ext[1] & 0x01));
+ } else {
+ input_report_key(wdata->extension.input,
+ wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
+ !!(ext[5] & 0x01));
+ input_report_key(wdata->extension.input,
+ wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
+ !!(ext[5] & 0x02));
+ }
+
+ 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
* single push button. No other peripherals are available. However, the
@@ -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,
};
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index 6b6e821..324d442 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -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,
};
--
1.8.2.1
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