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-rw-r--r--drivers/hid/hid-wiimote-core.c7
-rw-r--r--drivers/hid/hid-wiimote-modules.c218
-rw-r--r--drivers/hid/hid-wiimote.h2
3 files changed, 227 insertions, 0 deletions
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 660209824e56..946cdeff4798 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -456,6 +456,9 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
return WIIMOTE_EXT_BALANCE_BOARD;
if (rmem[4] == 0x01 && rmem[5] == 0x20)
return WIIMOTE_EXT_PRO_CONTROLLER;
+ if (rmem[0] == 0x01 && rmem[1] == 0x00 &&
+ rmem[4] == 0x01 && rmem[5] == 0x03)
+ return WIIMOTE_EXT_GUITAR_HERO_DRUMS;
return WIIMOTE_EXT_UNKNOWN;
}
@@ -489,6 +492,7 @@ 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:
+ case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
wmem = 0x07;
break;
case WIIMOTE_EXT_NUNCHUK:
@@ -1079,6 +1083,7 @@ static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller",
[WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board",
[WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
+ [WIIMOTE_EXT_GUITAR_HERO_DRUMS] = "Nintendo Wii Guitar Hero Drums",
};
/*
@@ -1665,6 +1670,8 @@ static ssize_t wiimote_ext_show(struct device *dev,
return sprintf(buf, "balanceboard\n");
case WIIMOTE_EXT_PRO_CONTROLLER:
return sprintf(buf, "procontroller\n");
+ case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
+ return sprintf(buf, "drums\n");
case WIIMOTE_EXT_UNKNOWN:
/* fallthrough */
default:
diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c
index 2e7d644dba18..08a44a7fc5fd 100644
--- a/drivers/hid/hid-wiimote-modules.c
+++ b/drivers/hid/hid-wiimote-modules.c
@@ -1834,6 +1834,223 @@ static const struct wiimod_ops wiimod_pro = {
};
/*
+ * Drums
+ * Guitar-Hero, Rock-Band and other games came bundled with drums which can
+ * be plugged as extension to a Wiimote. Drum-reports are still not entirely
+ * figured out, but the most important information is known.
+ * We create a separate device for drums and report all information via this
+ * input device.
+ */
+
+static inline void wiimod_drums_report_pressure(struct wiimote_data *wdata,
+ __u8 none, __u8 which,
+ __u8 pressure, __u8 onoff,
+ __u8 *store, __u16 code,
+ __u8 which_code)
+{
+ static const __u8 default_pressure = 3;
+
+ if (!none && which == which_code) {
+ *store = pressure;
+ input_report_abs(wdata->extension.input, code, *store);
+ } else if (onoff != !!*store) {
+ *store = onoff ? default_pressure : 0;
+ input_report_abs(wdata->extension.input, code, *store);
+ }
+}
+
+static void wiimod_drums_in_ext(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __u8 pressure, which, none, hhp, sx, sy;
+ __u8 o, r, y, g, b, bass, bm, bp;
+
+ /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:0> |
+ * 2 | 0 | 0 | SY <5:0> |
+ * -----+-----+-----+-----------------------------+-----+
+ * 3 | HPP | NON | WHICH <5:1> | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | ? | 1 | 1 | B- | 1 | B+ | 1 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | O | R | Y | G | B | BSS | 1 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * All buttons are 0 if pressed
+ *
+ * With Motion+ enabled, the following bits will get invalid:
+ * Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:1> |XXXXX|
+ * 2 | 0 | 0 | SY <5:1> |XXXXX|
+ * -----+-----+-----+-----------------------------+-----+
+ * 3 | HPP | NON | WHICH <5:1> | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | ? | 1 | 1 | B- | 1 | B+ | 1 |XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | O | R | Y | G | B | BSS |XXXXX|XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ */
+
+ pressure = 7 - (ext[3] >> 5);
+ which = (ext[2] >> 1) & 0x1f;
+ none = !!(ext[2] & 0x40);
+ hhp = !(ext[2] & 0x80);
+ sx = ext[0] & 0x3f;
+ sy = ext[1] & 0x3f;
+ o = !(ext[5] & 0x80);
+ r = !(ext[5] & 0x40);
+ y = !(ext[5] & 0x20);
+ g = !(ext[5] & 0x10);
+ b = !(ext[5] & 0x08);
+ bass = !(ext[5] & 0x04);
+ bm = !(ext[4] & 0x10);
+ bp = !(ext[4] & 0x04);
+
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ o, &wdata->state.pressure_drums[0],
+ ABS_CYMBAL_RIGHT, 0x0e);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ r, &wdata->state.pressure_drums[1],
+ ABS_TOM_LEFT, 0x19);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ y, &wdata->state.pressure_drums[2],
+ ABS_CYMBAL_LEFT, 0x11);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ g, &wdata->state.pressure_drums[3],
+ ABS_TOM_FAR_RIGHT, 0x12);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ b, &wdata->state.pressure_drums[4],
+ ABS_TOM_RIGHT, 0x0f);
+
+ /* Bass shares pressure with hi-hat (set via hhp) */
+ wiimod_drums_report_pressure(wdata, none, hhp ? 0xff : which, pressure,
+ bass, &wdata->state.pressure_drums[5],
+ ABS_BASS, 0x1b);
+ /* Hi-hat has no on/off values, just pressure. Force to off/0. */
+ wiimod_drums_report_pressure(wdata, none, hhp ? which : 0xff, pressure,
+ 0, &wdata->state.pressure_drums[6],
+ ABS_HI_HAT, 0x0e);
+
+ input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
+ input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
+
+ input_report_key(wdata->extension.input, BTN_START, bp);
+ input_report_key(wdata->extension.input, BTN_SELECT, bm);
+
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_drums_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_drums_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_drums_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->extension.input = input_allocate_device();
+ if (!wdata->extension.input)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->extension.input, wdata);
+ wdata->extension.input->open = wiimod_drums_open;
+ wdata->extension.input->close = wiimod_drums_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 " Drums";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ set_bit(BTN_START, wdata->extension.input->keybit);
+ set_bit(BTN_SELECT, wdata->extension.input->keybit);
+
+ set_bit(EV_ABS, wdata->extension.input->evbit);
+ set_bit(ABS_X, wdata->extension.input->absbit);
+ set_bit(ABS_Y, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_LEFT, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_FAR_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_CYMBAL_LEFT, wdata->extension.input->absbit);
+ set_bit(ABS_CYMBAL_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_BASS, wdata->extension.input->absbit);
+ set_bit(ABS_HI_HAT, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_X, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_Y, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_LEFT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_FAR_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_CYMBAL_LEFT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_CYMBAL_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_BASS, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HI_HAT, 0, 7, 0, 0);
+
+ 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_drums_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_drums = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_drums_probe,
+ .remove = wiimod_drums_remove,
+ .in_ext = wiimod_drums_in_ext,
+};
+
+/*
* Builtin Motion Plus
* This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which
* disables polling for Motion-Plus. This should be set only for devices which
@@ -2083,4 +2300,5 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic,
[WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard,
[WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro,
+ [WIIMOTE_EXT_GUITAR_HERO_DRUMS] = &wiimod_drums,
};
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index f1474f372c0b..6e18b55951fb 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -88,6 +88,7 @@ enum wiimote_exttype {
WIIMOTE_EXT_CLASSIC_CONTROLLER,
WIIMOTE_EXT_BALANCE_BOARD,
WIIMOTE_EXT_PRO_CONTROLLER,
+ WIIMOTE_EXT_GUITAR_HERO_DRUMS,
WIIMOTE_EXT_NUM,
};
@@ -135,6 +136,7 @@ struct wiimote_state {
/* calibration data */
__u16 calib_bboard[4][3];
+ __u8 pressure_drums[7];
};
struct wiimote_data {