--- /dev/null
+/*
+ * Device Modules for Nintendo Wii / Wii U HID Driver
+ * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+/*
+ * Wiimote Modules
+ * Nintendo devices provide different peripherals and many new devices lack
+ * initial features like the IR camera. Therefore, each peripheral device is
+ * implemented as an independent module and we probe on each device only the
+ * modules for the hardware that really is available.
+ *
+ * Module registration is sequential. Unregistration is done in reverse order.
+ * After device detection, the needed modules are loaded. Users can trigger
+ * re-detection which causes all modules to be unloaded and then reload the
+ * modules for the new detected device.
+ *
+ * wdata->input is a shared input device. It is always initialized prior to
+ * module registration. If at least one registered module is marked as
+ * WIIMOD_FLAG_INPUT, then the input device will get registered after all
+ * modules were registered.
+ * Please note that it is unregistered _before_ the "remove" callbacks are
+ * called. This guarantees that no input interaction is done, anymore. However,
+ * the wiimote core keeps a reference to the input device so it is freed only
+ * after all modules were removed. It is safe to send events to unregistered
+ * input devices.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/spinlock.h>
+#include "hid-wiimote.h"
+
+/*
+ * Keys
+ * The initial Wii Remote provided a bunch of buttons that are reported as
+ * part of the core protocol. Many later devices dropped these and report
+ * invalid data in the core button reports. Load this only on devices which
+ * correctly send button reports.
+ * It uses the shared input device.
+ */
+
+static const __u16 wiimod_keys_map[] = {
+ KEY_LEFT, /* WIIPROTO_KEY_LEFT */
+ KEY_RIGHT, /* WIIPROTO_KEY_RIGHT */
+ KEY_UP, /* WIIPROTO_KEY_UP */
+ KEY_DOWN, /* WIIPROTO_KEY_DOWN */
+ KEY_NEXT, /* WIIPROTO_KEY_PLUS */
+ KEY_PREVIOUS, /* WIIPROTO_KEY_MINUS */
+ BTN_1, /* WIIPROTO_KEY_ONE */
+ BTN_2, /* WIIPROTO_KEY_TWO */
+ BTN_A, /* WIIPROTO_KEY_A */
+ BTN_B, /* WIIPROTO_KEY_B */
+ BTN_MODE, /* WIIPROTO_KEY_HOME */
+};
+
+static void wiimod_keys_in_keys(struct wiimote_data *wdata, const __u8 *keys)
+{
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_LEFT],
+ !!(keys[0] & 0x01));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_RIGHT],
+ !!(keys[0] & 0x02));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_DOWN],
+ !!(keys[0] & 0x04));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_UP],
+ !!(keys[0] & 0x08));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_PLUS],
+ !!(keys[0] & 0x10));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_TWO],
+ !!(keys[1] & 0x01));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_ONE],
+ !!(keys[1] & 0x02));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_B],
+ !!(keys[1] & 0x04));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_A],
+ !!(keys[1] & 0x08));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_MINUS],
+ !!(keys[1] & 0x10));
+ input_report_key(wdata->input, wiimod_keys_map[WIIPROTO_KEY_HOME],
+ !!(keys[1] & 0x80));
+ input_sync(wdata->input);
+}
+
+static int wiimod_keys_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned int i;
+
+ set_bit(EV_KEY, wdata->input->evbit);
+ for (i = 0; i < WIIPROTO_KEY_COUNT; ++i)
+ set_bit(wiimod_keys_map[i], wdata->input->keybit);
+
+ return 0;
+}
+
+static const struct wiimod_ops wiimod_keys = {
+ .flags = WIIMOD_FLAG_INPUT,
+ .arg = 0,
+ .probe = wiimod_keys_probe,
+ .remove = NULL,
+ .in_keys = wiimod_keys_in_keys,
+};
+
+/*
+ * Rumble
+ * Nearly all devices provide a rumble feature. A small motor for
+ * force-feedback effects. We provide an FF_RUMBLE memless ff device on the
+ * shared input device if this module is loaded.
+ * The rumble motor is controlled via a flag on almost every output report so
+ * the wiimote core handles the rumble flag. But if a device doesn't provide
+ * the rumble motor, this flag shouldn't be set.
+ */
+
+/* used by wiimod_rumble and wiipro_rumble */
+static void wiimod_rumble_worker(struct work_struct *work)
+{
+ struct wiimote_data *wdata = container_of(work, struct wiimote_data,
+ rumble_worker);
+
+ spin_lock_irq(&wdata->state.lock);
+ wiiproto_req_rumble(wdata, wdata->state.cache_rumble);
+ spin_unlock_irq(&wdata->state.lock);
+}
+
+static int wiimod_rumble_play(struct input_dev *dev, void *data,
+ struct ff_effect *eff)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ __u8 value;
+
+ /*
+ * The wiimote supports only a single rumble motor so if any magnitude
+ * is set to non-zero then we start the rumble motor. If both are set to
+ * zero, we stop the rumble motor.
+ */
+
+ if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude)
+ value = 1;
+ else
+ value = 0;
+
+ /* Locking state.lock here might deadlock with input_event() calls.
+ * schedule_work acts as barrier. Merging multiple changes is fine. */
+ wdata->state.cache_rumble = value;
+ schedule_work(&wdata->rumble_worker);
+
+ return 0;
+}
+
+static int wiimod_rumble_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker);
+
+ set_bit(FF_RUMBLE, wdata->input->ffbit);
+ if (input_ff_create_memless(wdata->input, NULL, wiimod_rumble_play))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void wiimod_rumble_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ cancel_work_sync(&wdata->rumble_worker);
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiiproto_req_rumble(wdata, 0);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static const struct wiimod_ops wiimod_rumble = {
+ .flags = WIIMOD_FLAG_INPUT,
+ .arg = 0,
+ .probe = wiimod_rumble_probe,
+ .remove = wiimod_rumble_remove,
+};
+
+/*
+ * Battery
+ * 1 byte of battery capacity information is sent along every protocol status
+ * report. The wiimote core caches it but we try to update it on every
+ * user-space request.
+ * This is supported by nearly every device so it's almost always enabled.
+ */
+
+static enum power_supply_property wiimod_battery_props[] = {
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_SCOPE,
+};
+
+static int wiimod_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct wiimote_data *wdata = power_supply_get_drvdata(psy);
+ int ret = 0, state;
+ unsigned long flags;
+
+ if (psp == POWER_SUPPLY_PROP_SCOPE) {
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ return 0;
+ } else if (psp != POWER_SUPPLY_PROP_CAPACITY) {
+ return -EINVAL;
+ }
+
+ ret = wiimote_cmd_acquire(wdata);
+ if (ret)
+ return ret;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0);
+ wiiproto_req_status(wdata);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ wiimote_cmd_wait(wdata);
+ wiimote_cmd_release(wdata);
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ state = wdata->state.cmd_battery;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ val->intval = state * 100 / 255;
+ return ret;
+}
+
+static int wiimod_battery_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ struct power_supply_config psy_cfg = { .drv_data = wdata, };
+ int ret;
+
+ wdata->battery_desc.properties = wiimod_battery_props;
+ wdata->battery_desc.num_properties = ARRAY_SIZE(wiimod_battery_props);
+ wdata->battery_desc.get_property = wiimod_battery_get_property;
+ wdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
+ wdata->battery_desc.use_for_apm = 0;
+ wdata->battery_desc.name = kasprintf(GFP_KERNEL, "wiimote_battery_%s",
+ wdata->hdev->uniq);
+ if (!wdata->battery_desc.name)
+ return -ENOMEM;
+
+ wdata->battery = power_supply_register(&wdata->hdev->dev,
+ &wdata->battery_desc,
+ &psy_cfg);
+ if (IS_ERR(wdata->battery)) {
+ hid_err(wdata->hdev, "cannot register battery device\n");
+ ret = PTR_ERR(wdata->battery);
+ goto err_free;
+ }
+
+ power_supply_powers(wdata->battery, &wdata->hdev->dev);
+ return 0;
+
+err_free:
+ kfree(wdata->battery_desc.name);
+ wdata->battery_desc.name = NULL;
+ return ret;
+}
+
+static void wiimod_battery_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->battery_desc.name)
+ return;
+
+ power_supply_unregister(wdata->battery);
+ kfree(wdata->battery_desc.name);
+ wdata->battery_desc.name = NULL;
+}
+
+static const struct wiimod_ops wiimod_battery = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_battery_probe,
+ .remove = wiimod_battery_remove,
+};
+
+/*
+ * LED
+ * 0 to 4 player LEDs are supported by devices. The "arg" field of the
+ * wiimod_ops structure specifies which LED this module controls. This allows
+ * to register a limited number of LEDs.
+ * State is managed by wiimote core.
+ */
+
+static enum led_brightness wiimod_led_get(struct led_classdev *led_dev)
+{
+ struct wiimote_data *wdata;
+ struct device *dev = led_dev->dev->parent;
+ int i;
+ unsigned long flags;
+ bool value = false;
+
+ wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
+
+ for (i = 0; i < 4; ++i) {
+ if (wdata->leds[i] == led_dev) {
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ value = wdata->state.flags & WIIPROTO_FLAG_LED(i + 1);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+ break;
+ }
+ }
+
+ return value ? LED_FULL : LED_OFF;
+}
+
+static void wiimod_led_set(struct led_classdev *led_dev,
+ enum led_brightness value)
+{
+ struct wiimote_data *wdata;
+ struct device *dev = led_dev->dev->parent;
+ int i;
+ unsigned long flags;
+ __u8 state, flag;
+
+ wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
+
+ for (i = 0; i < 4; ++i) {
+ if (wdata->leds[i] == led_dev) {
+ flag = WIIPROTO_FLAG_LED(i + 1);
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ state = wdata->state.flags;
+ if (value == LED_OFF)
+ wiiproto_req_leds(wdata, state & ~flag);
+ else
+ wiiproto_req_leds(wdata, state | flag);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+ break;
+ }
+ }
+}
+
+static int wiimod_led_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ struct device *dev = &wdata->hdev->dev;
+ size_t namesz = strlen(dev_name(dev)) + 9;
+ struct led_classdev *led;
+ unsigned long flags;
+ char *name;
+ int ret;
+
+ led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
+ if (!led)
+ return -ENOMEM;
+
+ name = (void*)&led[1];
+ snprintf(name, namesz, "%s:blue:p%lu", dev_name(dev), ops->arg);
+ led->name = name;
+ led->brightness = 0;
+ led->max_brightness = 1;
+ led->brightness_get = wiimod_led_get;
+ led->brightness_set = wiimod_led_set;
+
+ wdata->leds[ops->arg] = led;
+ ret = led_classdev_register(dev, led);
+ if (ret)
+ goto err_free;
+
+ /* enable LED1 to stop initial LED-blinking */
+ if (ops->arg == 0) {
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+ }
+
+ return 0;
+
+err_free:
+ wdata->leds[ops->arg] = NULL;
+ kfree(led);
+ return ret;
+}
+
+static void wiimod_led_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->leds[ops->arg])
+ return;
+
+ led_classdev_unregister(wdata->leds[ops->arg]);
+ kfree(wdata->leds[ops->arg]);
+ wdata->leds[ops->arg] = NULL;
+}
+
+static const struct wiimod_ops wiimod_leds[4] = {
+ {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_led_probe,
+ .remove = wiimod_led_remove,
+ },
+ {
+ .flags = 0,
+ .arg = 1,
+ .probe = wiimod_led_probe,
+ .remove = wiimod_led_remove,
+ },
+ {
+ .flags = 0,
+ .arg = 2,
+ .probe = wiimod_led_probe,
+ .remove = wiimod_led_remove,
+ },
+ {
+ .flags = 0,
+ .arg = 3,
+ .probe = wiimod_led_probe,
+ .remove = wiimod_led_remove,
+ },
+};
+
+/*
+ * Accelerometer
+ * 3 axis accelerometer data is part of nearly all DRMs. If not supported by a
+ * device, it's mostly cleared to 0. This module parses this data and provides
+ * it via a separate input device.
+ */
+
+static void wiimod_accel_in_accel(struct wiimote_data *wdata,
+ const __u8 *accel)
+{
+ __u16 x, y, z;
+
+ if (!(wdata->state.flags & WIIPROTO_FLAG_ACCEL))
+ return;
+
+ /*
+ * payload is: BB BB XX YY ZZ
+ * Accelerometer data is encoded into 3 10bit values. XX, YY and ZZ
+ * contain the upper 8 bits of each value. The lower 2 bits are
+ * contained in the buttons data BB BB.
+ * Bits 6 and 7 of the first buttons byte BB is the lower 2 bits of the
+ * X accel value. Bit 5 of the second buttons byte is the 2nd bit of Y
+ * accel value and bit 6 is the second bit of the Z value.
+ * The first bit of Y and Z values is not available and always set to 0.
+ * 0x200 is returned on no movement.
+ */
+
+ x = accel[2] << 2;
+ y = accel[3] << 2;
+ z = accel[4] << 2;
+
+ x |= (accel[0] >> 5) & 0x3;
+ y |= (accel[1] >> 4) & 0x2;
+ z |= (accel[1] >> 5) & 0x2;
+
+ input_report_abs(wdata->accel, ABS_RX, x - 0x200);
+ input_report_abs(wdata->accel, ABS_RY, y - 0x200);
+ input_report_abs(wdata->accel, ABS_RZ, z - 0x200);
+ input_sync(wdata->accel);
+}
+
+static int wiimod_accel_open(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiiproto_req_accel(wdata, true);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_accel_close(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiiproto_req_accel(wdata, false);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static int wiimod_accel_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->accel = input_allocate_device();
+ if (!wdata->accel)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->accel, wdata);
+ wdata->accel->open = wiimod_accel_open;
+ wdata->accel->close = wiimod_accel_close;
+ wdata->accel->dev.parent = &wdata->hdev->dev;
+ wdata->accel->id.bustype = wdata->hdev->bus;
+ wdata->accel->id.vendor = wdata->hdev->vendor;
+ wdata->accel->id.product = wdata->hdev->product;
+ wdata->accel->id.version = wdata->hdev->version;
+ wdata->accel->name = WIIMOTE_NAME " Accelerometer";
+
+ set_bit(EV_ABS, wdata->accel->evbit);
+ set_bit(ABS_RX, wdata->accel->absbit);
+ set_bit(ABS_RY, wdata->accel->absbit);
+ set_bit(ABS_RZ, wdata->accel->absbit);
+ input_set_abs_params(wdata->accel, ABS_RX, -500, 500, 2, 4);
+ input_set_abs_params(wdata->accel, ABS_RY, -500, 500, 2, 4);
+ input_set_abs_params(wdata->accel, ABS_RZ, -500, 500, 2, 4);
+
+ ret = input_register_device(wdata->accel);
+ if (ret) {
+ hid_err(wdata->hdev, "cannot register input device\n");
+ goto err_free;
+ }
+
+ return 0;
+
+err_free:
+ input_free_device(wdata->accel);
+ wdata->accel = NULL;
+ return ret;
+}
+
+static void wiimod_accel_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->accel)
+ return;
+
+ input_unregister_device(wdata->accel);
+ wdata->accel = NULL;
+}
+
+static const struct wiimod_ops wiimod_accel = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_accel_probe,
+ .remove = wiimod_accel_remove,
+ .in_accel = wiimod_accel_in_accel,
+};
+
+/*
+ * IR Cam
+ * Up to 4 IR sources can be tracked by a normal Wii Remote. The IR cam needs
+ * to be initialized with a fairly complex procedure and consumes a lot of
+ * power. Therefore, as long as no application uses the IR input device, it is
+ * kept offline.
+ * Nearly no other device than the normal Wii Remotes supports the IR cam so
+ * you can disable this module for these devices.
+ */
+
+static void wiimod_ir_in_ir(struct wiimote_data *wdata, const __u8 *ir,
+ bool packed, unsigned int id)
+{
+ __u16 x, y;
+ __u8 xid, yid;
+ bool sync = false;
+
+ if (!(wdata->state.flags & WIIPROTO_FLAGS_IR))
+ return;
+
+ switch (id) {
+ case 0:
+ xid = ABS_HAT0X;
+ yid = ABS_HAT0Y;
+ break;
+ case 1:
+ xid = ABS_HAT1X;
+ yid = ABS_HAT1Y;
+ break;
+ case 2:
+ xid = ABS_HAT2X;
+ yid = ABS_HAT2Y;
+ break;
+ case 3:
+ xid = ABS_HAT3X;
+ yid = ABS_HAT3Y;
+ sync = true;
+ break;
+ default:
+ return;
+ }
+
+ /*
+ * Basic IR data is encoded into 3 bytes. The first two bytes are the
+ * lower 8 bit of the X/Y data, the 3rd byte contains the upper 2 bits
+ * of both.
+ * If data is packed, then the 3rd byte is put first and slightly
+ * reordered. This allows to interleave packed and non-packed data to
+ * have two IR sets in 5 bytes instead of 6.
+ * The resulting 10bit X/Y values are passed to the ABS_HAT? input dev.
+ */
+
+ if (packed) {
+ x = ir[1] | ((ir[0] & 0x03) << 8);
+ y = ir[2] | ((ir[0] & 0x0c) << 6);
+ } else {
+ x = ir[0] | ((ir[2] & 0x30) << 4);
+ y = ir[1] | ((ir[2] & 0xc0) << 2);
+ }
+
+ input_report_abs(wdata->ir, xid, x);
+ input_report_abs(wdata->ir, yid, y);
+
+ if (sync)
+ input_sync(wdata->ir);
+}
+
+static int wiimod_ir_change(struct wiimote_data *wdata, __u16 mode)
+{
+ int ret;
+ unsigned long flags;
+ __u8 format = 0;
+ static const __u8 data_enable[] = { 0x01 };
+ static const __u8 data_sens1[] = { 0x02, 0x00, 0x00, 0x71, 0x01,
+ 0x00, 0xaa, 0x00, 0x64 };
+ static const __u8 data_sens2[] = { 0x63, 0x03 };
+ static const __u8 data_fin[] = { 0x08 };
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+
+ if (mode == (wdata->state.flags & WIIPROTO_FLAGS_IR)) {
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+ return 0;
+ }
+
+ if (mode == 0) {
+ wdata->state.flags &= ~WIIPROTO_FLAGS_IR;
+ wiiproto_req_ir1(wdata, 0);
+ wiiproto_req_ir2(wdata, 0);
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+ return 0;
+ }
+
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ ret = wiimote_cmd_acquire(wdata);
+ if (ret)
+ return ret;
+
+ /* send PIXEL CLOCK ENABLE cmd first */
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiimote_cmd_set(wdata, WIIPROTO_REQ_IR1, 0);
+ wiiproto_req_ir1(wdata, 0x06);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ ret = wiimote_cmd_wait(wdata);
+ if (ret)
+ goto unlock;
+ if (wdata->state.cmd_err) {
+ ret = -EIO;
+ goto unlock;
+ }
+
+ /* enable IR LOGIC */
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiimote_cmd_set(wdata, WIIPROTO_REQ_IR2, 0);
+ wiiproto_req_ir2(wdata, 0x06);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ ret = wiimote_cmd_wait(wdata);
+ if (ret)
+ goto unlock;
+ if (wdata->state.cmd_err) {
+ ret = -EIO;
+ goto unlock;
+ }
+
+ /* enable IR cam but do not make it send data, yet */
+ ret = wiimote_cmd_write(wdata, 0xb00030, data_enable,
+ sizeof(data_enable));
+ if (ret)
+ goto unlock;
+
+ /* write first sensitivity block */
+ ret = wiimote_cmd_write(wdata, 0xb00000, data_sens1,
+ sizeof(data_sens1));
+ if (ret)
+ goto unlock;
+
+ /* write second sensitivity block */
+ ret = wiimote_cmd_write(wdata, 0xb0001a, data_sens2,
+ sizeof(data_sens2));
+ if (ret)
+ goto unlock;
+
+ /* put IR cam into desired state */
+ switch (mode) {
+ case WIIPROTO_FLAG_IR_FULL:
+ format = 5;
+ break;
+ case WIIPROTO_FLAG_IR_EXT:
+ format = 3;
+ break;
+ case WIIPROTO_FLAG_IR_BASIC:
+ format = 1;
+ break;
+ }
+ ret = wiimote_cmd_write(wdata, 0xb00033, &format, sizeof(format));
+ if (ret)
+ goto unlock;
+
+ /* make IR cam send data */
+ ret = wiimote_cmd_write(wdata, 0xb00030, data_fin, sizeof(data_fin));
+ if (ret)
+ goto unlock;
+
+ /* request new DRM mode compatible to IR mode */
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags &= ~WIIPROTO_FLAGS_IR;
+ wdata->state.flags |= mode & WIIPROTO_FLAGS_IR;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+unlock:
+ wiimote_cmd_release(wdata);
+ return ret;
+}
+
+static int wiimod_ir_open(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+
+ return wiimod_ir_change(wdata, WIIPROTO_FLAG_IR_BASIC);
+}
+
+static void wiimod_ir_close(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+
+ wiimod_ir_change(wdata, 0);
+}
+
+static int wiimod_ir_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->ir = input_allocate_device();
+ if (!wdata->ir)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->ir, wdata);
+ wdata->ir->open = wiimod_ir_open;
+ wdata->ir->close = wiimod_ir_close;
+ wdata->ir->dev.parent = &wdata->hdev->dev;
+ wdata->ir->id.bustype = wdata->hdev->bus;
+ wdata->ir->id.vendor = wdata->hdev->vendor;
+ wdata->ir->id.product = wdata->hdev->product;
+ wdata->ir->id.version = wdata->hdev->version;
+ wdata->ir->name = WIIMOTE_NAME " IR";
+
+ set_bit(EV_ABS, wdata->ir->evbit);
+ set_bit(ABS_HAT0X, wdata->ir->absbit);
+ set_bit(ABS_HAT0Y, wdata->ir->absbit);
+ set_bit(ABS_HAT1X, wdata->ir->absbit);
+ set_bit(ABS_HAT1Y, wdata->ir->absbit);
+ set_bit(ABS_HAT2X, wdata->ir->absbit);
+ set_bit(ABS_HAT2Y, wdata->ir->absbit);
+ set_bit(ABS_HAT3X, wdata->ir->absbit);
+ set_bit(ABS_HAT3Y, wdata->ir->absbit);
+ input_set_abs_params(wdata->ir, ABS_HAT0X, 0, 1023, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT0Y, 0, 767, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT1X, 0, 1023, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT1Y, 0, 767, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT2X, 0, 1023, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT2Y, 0, 767, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT3X, 0, 1023, 2, 4);
+ input_set_abs_params(wdata->ir, ABS_HAT3Y, 0, 767, 2, 4);
+
+ ret = input_register_device(wdata->ir);
+ if (ret) {
+ hid_err(wdata->hdev, "cannot register input device\n");
+ goto err_free;
+ }
+
+ return 0;
+
+err_free:
+ input_free_device(wdata->ir);
+ wdata->ir = NULL;
+ return ret;
+}
+
+static void wiimod_ir_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->ir)
+ return;
+
+ input_unregister_device(wdata->ir);
+ wdata->ir = NULL;
+}
+
+static const struct wiimod_ops wiimod_ir = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_ir_probe,
+ .remove = wiimod_ir_remove,
+ .in_ir = wiimod_ir_in_ir,
+};
+
+/*
+ * Nunchuk Extension
+ * The Nintendo Wii Nunchuk was the first official extension published by
+ * Nintendo. It provides two additional keys and a separate accelerometer. It
+ * can be hotplugged to standard Wii Remotes.
+ */
+
+enum wiimod_nunchuk_keys {
+ WIIMOD_NUNCHUK_KEY_C,
+ WIIMOD_NUNCHUK_KEY_Z,
+ WIIMOD_NUNCHUK_KEY_NUM,
+};
+
+static const __u16 wiimod_nunchuk_map[] = {
+ BTN_C, /* WIIMOD_NUNCHUK_KEY_C */
+ BTN_Z, /* WIIMOD_NUNCHUK_KEY_Z */
+};
+
+static void wiimod_nunchuk_in_ext(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __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 = ext[0];
+ by = ext[1];
+ bx -= 128;
+ by -= 128;
+
+ x = ext[2] << 2;
+ y = ext[3] << 2;
+ z = ext[4] << 2;
+
+ if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
+ x |= (ext[5] >> 3) & 0x02;
+ y |= (ext[5] >> 4) & 0x02;
+ z &= ~0x4;
+ z |= (ext[5] >> 5) & 0x06;
+ } else {
+ x |= (ext[5] >> 2) & 0x03;
+ y |= (ext[5] >> 4) & 0x03;
+ z |= (ext[5] >> 6) & 0x03;
+ }
+
+ x -= 0x200;
+ y -= 0x200;
+ z -= 0x200;
+
+ input_report_abs(wdata->extension.input, ABS_HAT0X, bx);
+ input_report_abs(wdata->extension.input, ABS_HAT0Y, by);
+
+ input_report_abs(wdata->extension.input, ABS_RX, x);
+ input_report_abs(wdata->extension.input, ABS_RY, y);
+ input_report_abs(wdata->extension.input, ABS_RZ, z);
+
+ if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
+ input_report_key(wdata->extension.input,
+ wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_Z],
+ !(ext[5] & 0x04));
+ input_report_key(wdata->extension.input,
+ wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_C],
+ !(ext[5] & 0x08));
+ } else {
+ input_report_key(wdata->extension.input,
+ wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_Z],
+ !(ext[5] & 0x01));
+ input_report_key(wdata->extension.input,
+ wiimod_nunchuk_map[WIIMOD_NUNCHUK_KEY_C],
+ !(ext[5] & 0x02));
+ }
+
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_nunchuk_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_nunchuk_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_nunchuk_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_nunchuk_open;
+ wdata->extension.input->close = wiimod_nunchuk_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 " Nunchuk";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ for (i = 0; i < WIIMOD_NUNCHUK_KEY_NUM; ++i)
+ set_bit(wiimod_nunchuk_map[i],
+ wdata->extension.input->keybit);
+
+ set_bit(EV_ABS, wdata->extension.input->evbit);
+ set_bit(ABS_HAT0X, wdata->extension.input->absbit);
+ set_bit(ABS_HAT0Y, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT0X, -120, 120, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT0Y, -120, 120, 2, 4);
+ set_bit(ABS_RX, wdata->extension.input->absbit);
+ set_bit(ABS_RY, wdata->extension.input->absbit);
+ set_bit(ABS_RZ, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_RX, -500, 500, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_RY, -500, 500, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_RZ, -500, 500, 2, 4);
+
+ 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_nunchuk_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_nunchuk = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_nunchuk_probe,
+ .remove = wiimod_nunchuk_remove,
+ .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 <5:4> | LX <5:1> | BDU |
+ * 2 | RX <3:2> | LY <5:1> | BDL |
+ * -----+-----+-----+-----+-----------------------+-----+
+ * 3 |RX<1>| LT <5:4> | RY <5:1> |
+ * -----+-----+-----------+-----------------------------+
+ * 4 | LT <3:1> | RT <5:1> |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 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[1] & 0x3e;
+ } else {
+ lx = ext[0] & 0x3f;
+ ly = ext[1] & 0x3f;
+ }
+
+ rx = (ext[0] >> 3) & 0x18;
+ 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);
+ input_report_abs(wdata->extension.input, ABS_HAT3Y, lt);
+
+ 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
+ * single push button. No other peripherals are available. However, the
+ * balance-board data is sent via a standard Wii Remote extension. All other
+ * data for non-present hardware is zeroed out.
+ * Some 3rd party devices react allergic if we try to access normal Wii Remote
+ * hardware, so this extension module should be the only module that is loaded
+ * on balance boards.
+ * The balance board needs 8 bytes extension data instead of basic 6 bytes so
+ * it needs the WIIMOD_FLAG_EXT8 flag.
+ */
+
+static void wiimod_bboard_in_keys(struct wiimote_data *wdata, const __u8 *keys)
+{
+ input_report_key(wdata->extension.input, BTN_A,
+ !!(keys[1] & 0x08));
+ input_sync(wdata->extension.input);
+}
+
+static void wiimod_bboard_in_ext(struct wiimote_data *wdata,
+ const __u8 *ext)
+{
+ __s32 val[4], tmp, div;
+ unsigned int i;
+ struct wiimote_state *s = &wdata->state;
+
+ /*
+ * Balance board data layout:
+ *
+ * Byte | 8 7 6 5 4 3 2 1 |
+ * -----+--------------------------+
+ * 1 | Top Right <15:8> |
+ * 2 | Top Right <7:0> |
+ * -----+--------------------------+
+ * 3 | Bottom Right <15:8> |
+ * 4 | Bottom Right <7:0> |
+ * -----+--------------------------+
+ * 5 | Top Left <15:8> |
+ * 6 | Top Left <7:0> |
+ * -----+--------------------------+
+ * 7 | Bottom Left <15:8> |
+ * 8 | Bottom Left <7:0> |
+ * -----+--------------------------+
+ *
+ * These values represent the weight-measurements of the Wii-balance
+ * board with 16bit precision.
+ *
+ * The balance-board is never reported interleaved with motionp.
+ */
+
+ val[0] = ext[0];
+ val[0] <<= 8;
+ val[0] |= ext[1];
+
+ val[1] = ext[2];
+ val[1] <<= 8;
+ val[1] |= ext[3];
+
+ val[2] = ext[4];
+ val[2] <<= 8;
+ val[2] |= ext[5];
+
+ val[3] = ext[6];
+ val[3] <<= 8;
+ val[3] |= ext[7];
+
+ /* apply calibration data */
+ for (i = 0; i < 4; i++) {
+ if (val[i] <= s->calib_bboard[i][0]) {
+ tmp = 0;
+ } else if (val[i] < s->calib_bboard[i][1]) {
+ tmp = val[i] - s->calib_bboard[i][0];
+ tmp *= 1700;
+ div = s->calib_bboard[i][1] - s->calib_bboard[i][0];
+ tmp /= div ? div : 1;
+ } else {
+ tmp = val[i] - s->calib_bboard[i][1];
+ tmp *= 1700;
+ div = s->calib_bboard[i][2] - s->calib_bboard[i][1];
+ tmp /= div ? div : 1;
+ tmp += 1700;
+ }
+ val[i] = tmp;
+ }
+
+ input_report_abs(wdata->extension.input, ABS_HAT0X, val[0]);
+ input_report_abs(wdata->extension.input, ABS_HAT0Y, val[1]);
+ input_report_abs(wdata->extension.input, ABS_HAT1X, val[2]);
+ input_report_abs(wdata->extension.input, ABS_HAT1Y, val[3]);
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_bboard_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_bboard_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 ssize_t wiimod_bboard_calib_show(struct device *dev,
+ struct device_attribute *attr,
+ char *out)
+{
+ struct wiimote_data *wdata = dev_to_wii(dev);
+ int i, j, ret;
+ __u16 val;
+ __u8 buf[24], offs;
+
+ ret = wiimote_cmd_acquire(wdata);
+ if (ret)
+ return ret;
+
+ ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12);
+ if (ret != 12) {
+ wiimote_cmd_release(wdata);
+ return ret < 0 ? ret : -EIO;
+ }
+ ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12);
+ if (ret != 12) {
+ wiimote_cmd_release(wdata);
+ return ret < 0 ? ret : -EIO;
+ }
+
+ wiimote_cmd_release(wdata);
+
+ spin_lock_irq(&wdata->state.lock);
+ offs = 0;
+ for (i = 0; i < 3; ++i) {
+ for (j = 0; j < 4; ++j) {
+ wdata->state.calib_bboard[j][i] = buf[offs];
+ wdata->state.calib_bboard[j][i] <<= 8;
+ wdata->state.calib_bboard[j][i] |= buf[offs + 1];
+ offs += 2;
+ }
+ }
+ spin_unlock_irq(&wdata->state.lock);
+
+ ret = 0;
+ for (i = 0; i < 3; ++i) {
+ for (j = 0; j < 4; ++j) {
+ val = wdata->state.calib_bboard[j][i];
+ if (i == 2 && j == 3)
+ ret += sprintf(&out[ret], "%04x\n", val);
+ else
+ ret += sprintf(&out[ret], "%04x:", val);
+ }
+ }
+
+ return ret;
+}
+
+static DEVICE_ATTR(bboard_calib, S_IRUGO, wiimod_bboard_calib_show, NULL);
+
+static int wiimod_bboard_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret, i, j;
+ __u8 buf[24], offs;
+
+ wiimote_cmd_acquire_noint(wdata);
+
+ ret = wiimote_cmd_read(wdata, 0xa40024, buf, 12);
+ if (ret != 12) {
+ wiimote_cmd_release(wdata);
+ return ret < 0 ? ret : -EIO;
+ }
+ ret = wiimote_cmd_read(wdata, 0xa40024 + 12, buf + 12, 12);
+ if (ret != 12) {
+ wiimote_cmd_release(wdata);
+ return ret < 0 ? ret : -EIO;
+ }
+
+ wiimote_cmd_release(wdata);
+
+ offs = 0;
+ for (i = 0; i < 3; ++i) {
+ for (j = 0; j < 4; ++j) {
+ wdata->state.calib_bboard[j][i] = buf[offs];
+ wdata->state.calib_bboard[j][i] <<= 8;
+ wdata->state.calib_bboard[j][i] |= buf[offs + 1];
+ offs += 2;
+ }
+ }
+
+ wdata->extension.input = input_allocate_device();
+ if (!wdata->extension.input)
+ return -ENOMEM;
+
+ ret = device_create_file(&wdata->hdev->dev,
+ &dev_attr_bboard_calib);
+ if (ret) {
+ hid_err(wdata->hdev, "cannot create sysfs attribute\n");
+ goto err_free;
+ }
+
+ input_set_drvdata(wdata->extension.input, wdata);
+ wdata->extension.input->open = wiimod_bboard_open;
+ wdata->extension.input->close = wiimod_bboard_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 " Balance Board";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ set_bit(BTN_A, wdata->extension.input->keybit);
+
+ set_bit(EV_ABS, wdata->extension.input->evbit);
+ set_bit(ABS_HAT0X, wdata->extension.input->absbit);
+ set_bit(ABS_HAT0Y, wdata->extension.input->absbit);
+ set_bit(ABS_HAT1X, wdata->extension.input->absbit);
+ set_bit(ABS_HAT1Y, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT0X, 0, 65535, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT0Y, 0, 65535, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT1X, 0, 65535, 2, 4);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HAT1Y, 0, 65535, 2, 4);
+
+ ret = input_register_device(wdata->extension.input);
+ if (ret)
+ goto err_file;
+
+ return 0;
+
+err_file:
+ device_remove_file(&wdata->hdev->dev,
+ &dev_attr_bboard_calib);
+err_free:
+ input_free_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+ return ret;
+}
+
+static void wiimod_bboard_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;
+ device_remove_file(&wdata->hdev->dev,
+ &dev_attr_bboard_calib);
+}
+
+static const struct wiimod_ops wiimod_bboard = {
+ .flags = WIIMOD_FLAG_EXT8,
+ .arg = 0,
+ .probe = wiimod_bboard_probe,
+ .remove = wiimod_bboard_remove,
+ .in_keys = wiimod_bboard_in_keys,
+ .in_ext = wiimod_bboard_in_ext,
+};
+
+/*
+ * Pro Controller
+ * Released with the Wii U was the Nintendo Wii U Pro Controller. It does not
+ * work together with the classic Wii, but only with the new Wii U. However, it
+ * uses the same protocol and provides a builtin "classic controller pro"
+ * extension, few standard buttons, a rumble motor, 4 LEDs and a battery.
+ * We provide all these via a standard extension device as the device doesn't
+ * feature an extension port.
+ */
+
+enum wiimod_pro_keys {
+ WIIMOD_PRO_KEY_A,
+ WIIMOD_PRO_KEY_B,
+ WIIMOD_PRO_KEY_X,
+ WIIMOD_PRO_KEY_Y,
+ WIIMOD_PRO_KEY_PLUS,
+ WIIMOD_PRO_KEY_MINUS,
+ WIIMOD_PRO_KEY_HOME,
+ WIIMOD_PRO_KEY_LEFT,
+ WIIMOD_PRO_KEY_RIGHT,
+ WIIMOD_PRO_KEY_UP,
+ WIIMOD_PRO_KEY_DOWN,
+ WIIMOD_PRO_KEY_TL,
+ WIIMOD_PRO_KEY_TR,
+ WIIMOD_PRO_KEY_ZL,
+ WIIMOD_PRO_KEY_ZR,
+ WIIMOD_PRO_KEY_THUMBL,
+ WIIMOD_PRO_KEY_THUMBR,
+ WIIMOD_PRO_KEY_NUM,
+};
+
+static const __u16 wiimod_pro_map[] = {
+ BTN_EAST, /* WIIMOD_PRO_KEY_A */
+ BTN_SOUTH, /* WIIMOD_PRO_KEY_B */
+ BTN_NORTH, /* WIIMOD_PRO_KEY_X */
+ BTN_WEST, /* WIIMOD_PRO_KEY_Y */
+ BTN_START, /* WIIMOD_PRO_KEY_PLUS */
+ BTN_SELECT, /* WIIMOD_PRO_KEY_MINUS */
+ BTN_MODE, /* WIIMOD_PRO_KEY_HOME */
+ BTN_DPAD_LEFT, /* WIIMOD_PRO_KEY_LEFT */
+ BTN_DPAD_RIGHT, /* WIIMOD_PRO_KEY_RIGHT */
+ BTN_DPAD_UP, /* WIIMOD_PRO_KEY_UP */
+ BTN_DPAD_DOWN, /* WIIMOD_PRO_KEY_DOWN */
+ BTN_TL, /* WIIMOD_PRO_KEY_TL */
+ BTN_TR, /* WIIMOD_PRO_KEY_TR */
+ BTN_TL2, /* WIIMOD_PRO_KEY_ZL */
+ BTN_TR2, /* WIIMOD_PRO_KEY_ZR */
+ BTN_THUMBL, /* WIIMOD_PRO_KEY_THUMBL */
+ BTN_THUMBR, /* WIIMOD_PRO_KEY_THUMBR */
+};
+
+static void wiimod_pro_in_ext(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __s16 rx, ry, lx, ly;
+
+ /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | LX <7:0> |
+ * -----+-----------------------+-----------------------+
+ * 2 | 0 0 0 0 | LX <11:8> |
+ * -----+-----------------------+-----------------------+
+ * 3 | RX <7:0> |
+ * -----+-----------------------+-----------------------+
+ * 4 | 0 0 0 0 | RX <11:8> |
+ * -----+-----------------------+-----------------------+
+ * 5 | LY <7:0> |
+ * -----+-----------------------+-----------------------+
+ * 6 | 0 0 0 0 | LY <11:8> |
+ * -----+-----------------------+-----------------------+
+ * 7 | RY <7:0> |
+ * -----+-----------------------+-----------------------+
+ * 8 | 0 0 0 0 | RY <11:8> |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 9 | BDR | BDD | BLT | B- | BH | B+ | BRT | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 10 | BZL | BB | BY | BA | BX | BZR | BDL | BDU |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 11 | 1 | BATTERY | USB |CHARG|LTHUM|RTHUM|
+ * -----+-----+-----------------+-----------+-----+-----+
+ * All buttons are low-active (0 if pressed)
+ * RX and RY are right analog stick
+ * LX and LY are left analog stick
+ * BLT is left trigger, BRT is right trigger.
+ * 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
+ *
+ * Bits marked as 0/1 are unknown and never changed during tests.
+ *
+ * Not entirely verified:
+ * CHARG: 1 if uncharging, 0 if charging
+ * USB: 1 if not connected, 0 if connected
+ * BATTERY: battery capacity from 000 (empty) to 100 (full)
+ */
+
+ lx = (ext[0] & 0xff) | ((ext[1] & 0x0f) << 8);
+ rx = (ext[2] & 0xff) | ((ext[3] & 0x0f) << 8);
+ ly = (ext[4] & 0xff) | ((ext[5] & 0x0f) << 8);
+ ry = (ext[6] & 0xff) | ((ext[7] & 0x0f) << 8);
+
+ /* zero-point offsets */
+ lx -= 0x800;
+ ly = 0x800 - ly;
+ rx -= 0x800;
+ ry = 0x800 - ry;
+
+ /* Trivial automatic calibration. We don't know any calibration data
+ * in the EEPROM so we must use the first report to calibrate the
+ * null-position of the analog sticks. Users can retrigger calibration
+ * via sysfs, or set it explicitly. If data is off more than abs(500),
+ * we skip calibration as the sticks are likely to be moved already. */
+ if (!(wdata->state.flags & WIIPROTO_FLAG_PRO_CALIB_DONE)) {
+ wdata->state.flags |= WIIPROTO_FLAG_PRO_CALIB_DONE;
+ if (abs(lx) < 500)
+ wdata->state.calib_pro_sticks[0] = -lx;
+ if (abs(ly) < 500)
+ wdata->state.calib_pro_sticks[1] = -ly;
+ if (abs(rx) < 500)
+ wdata->state.calib_pro_sticks[2] = -rx;
+ if (abs(ry) < 500)
+ wdata->state.calib_pro_sticks[3] = -ry;
+ }
+
+ /* apply calibration data */
+ lx += wdata->state.calib_pro_sticks[0];
+ ly += wdata->state.calib_pro_sticks[1];
+ rx += wdata->state.calib_pro_sticks[2];
+ ry += wdata->state.calib_pro_sticks[3];
+
+ input_report_abs(wdata->extension.input, ABS_X, lx);
+ input_report_abs(wdata->extension.input, ABS_Y, ly);
+ input_report_abs(wdata->extension.input, ABS_RX, rx);
+ input_report_abs(wdata->extension.input, ABS_RY, ry);
+
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_RIGHT],
+ !(ext[8] & 0x80));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_DOWN],
+ !(ext[8] & 0x40));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_TL],
+ !(ext[8] & 0x20));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_MINUS],
+ !(ext[8] & 0x10));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_HOME],
+ !(ext[8] & 0x08));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_PLUS],
+ !(ext[8] & 0x04));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_TR],
+ !(ext[8] & 0x02));
+
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_ZL],
+ !(ext[9] & 0x80));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_B],
+ !(ext[9] & 0x40));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_Y],
+ !(ext[9] & 0x20));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_A],
+ !(ext[9] & 0x10));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_X],
+ !(ext[9] & 0x08));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_ZR],
+ !(ext[9] & 0x04));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_LEFT],
+ !(ext[9] & 0x02));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_UP],
+ !(ext[9] & 0x01));
+
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_THUMBL],
+ !(ext[10] & 0x02));
+ input_report_key(wdata->extension.input,
+ wiimod_pro_map[WIIMOD_PRO_KEY_THUMBR],
+ !(ext[10] & 0x01));
+
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_pro_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_pro_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_pro_play(struct input_dev *dev, void *data,
+ struct ff_effect *eff)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ __u8 value;
+
+ /*
+ * The wiimote supports only a single rumble motor so if any magnitude
+ * is set to non-zero then we start the rumble motor. If both are set to
+ * zero, we stop the rumble motor.
+ */
+
+ if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude)
+ value = 1;
+ else
+ value = 0;
+
+ /* Locking state.lock here might deadlock with input_event() calls.
+ * schedule_work acts as barrier. Merging multiple changes is fine. */
+ wdata->state.cache_rumble = value;
+ schedule_work(&wdata->rumble_worker);
+
+ return 0;
+}
+
+static ssize_t wiimod_pro_calib_show(struct device *dev,
+ struct device_attribute *attr,
+ char *out)
+{
+ struct wiimote_data *wdata = dev_to_wii(dev);
+ int r;
+
+ r = 0;
+ r += sprintf(&out[r], "%+06hd:", wdata->state.calib_pro_sticks[0]);
+ r += sprintf(&out[r], "%+06hd ", wdata->state.calib_pro_sticks[1]);
+ r += sprintf(&out[r], "%+06hd:", wdata->state.calib_pro_sticks[2]);
+ r += sprintf(&out[r], "%+06hd\n", wdata->state.calib_pro_sticks[3]);
+
+ return r;
+}
+
+static ssize_t wiimod_pro_calib_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct wiimote_data *wdata = dev_to_wii(dev);
+ int r;
+ s16 x1, y1, x2, y2;
+
+ if (!strncmp(buf, "scan\n", 5)) {
+ spin_lock_irq(&wdata->state.lock);
+ wdata->state.flags &= ~WIIPROTO_FLAG_PRO_CALIB_DONE;
+ spin_unlock_irq(&wdata->state.lock);
+ } else {
+ r = sscanf(buf, "%hd:%hd %hd:%hd", &x1, &y1, &x2, &y2);
+ if (r != 4)
+ return -EINVAL;
+
+ spin_lock_irq(&wdata->state.lock);
+ wdata->state.flags |= WIIPROTO_FLAG_PRO_CALIB_DONE;
+ spin_unlock_irq(&wdata->state.lock);
+
+ wdata->state.calib_pro_sticks[0] = x1;
+ wdata->state.calib_pro_sticks[1] = y1;
+ wdata->state.calib_pro_sticks[2] = x2;
+ wdata->state.calib_pro_sticks[3] = y2;
+ }
+
+ return strnlen(buf, PAGE_SIZE);
+}
+
+static DEVICE_ATTR(pro_calib, S_IRUGO|S_IWUSR|S_IWGRP, wiimod_pro_calib_show,
+ wiimod_pro_calib_store);
+
+static int wiimod_pro_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret, i;
+ unsigned long flags;
+
+ INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker);
+ wdata->state.calib_pro_sticks[0] = 0;
+ wdata->state.calib_pro_sticks[1] = 0;
+ wdata->state.calib_pro_sticks[2] = 0;
+ wdata->state.calib_pro_sticks[3] = 0;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags &= ~WIIPROTO_FLAG_PRO_CALIB_DONE;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ wdata->extension.input = input_allocate_device();
+ if (!wdata->extension.input)
+ return -ENOMEM;
+
+ set_bit(FF_RUMBLE, wdata->extension.input->ffbit);
+ input_set_drvdata(wdata->extension.input, wdata);
+
+ if (input_ff_create_memless(wdata->extension.input, NULL,
+ wiimod_pro_play)) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ ret = device_create_file(&wdata->hdev->dev,
+ &dev_attr_pro_calib);
+ if (ret) {
+ hid_err(wdata->hdev, "cannot create sysfs attribute\n");
+ goto err_free;
+ }
+
+ wdata->extension.input->open = wiimod_pro_open;
+ wdata->extension.input->close = wiimod_pro_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 " Pro Controller";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ for (i = 0; i < WIIMOD_PRO_KEY_NUM; ++i)
+ set_bit(wiimod_pro_map[i],
+ 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_RX, wdata->extension.input->absbit);
+ set_bit(ABS_RY, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_X, -0x400, 0x400, 4, 100);
+ input_set_abs_params(wdata->extension.input,
+ ABS_Y, -0x400, 0x400, 4, 100);
+ input_set_abs_params(wdata->extension.input,
+ ABS_RX, -0x400, 0x400, 4, 100);
+ input_set_abs_params(wdata->extension.input,
+ ABS_RY, -0x400, 0x400, 4, 100);
+
+ ret = input_register_device(wdata->extension.input);
+ if (ret)
+ goto err_file;
+
+ return 0;
+
+err_file:
+ device_remove_file(&wdata->hdev->dev,
+ &dev_attr_pro_calib);
+err_free:
+ input_free_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+ return ret;
+}
+
+static void wiimod_pro_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ if (!wdata->extension.input)
+ return;
+
+ input_unregister_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+ cancel_work_sync(&wdata->rumble_worker);
+ device_remove_file(&wdata->hdev->dev,
+ &dev_attr_pro_calib);
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wiiproto_req_rumble(wdata, 0);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static const struct wiimod_ops wiimod_pro = {
+ .flags = WIIMOD_FLAG_EXT16,
+ .arg = 0,
+ .probe = wiimod_pro_probe,
+ .remove = wiimod_pro_remove,
+ .in_ext = wiimod_pro_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
+ * don't allow MP hotplugging.
+ */
+
+static int wiimod_builtin_mp_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_BUILTIN_MP;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_builtin_mp_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_BUILTIN_MP;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static const struct wiimod_ops wiimod_builtin_mp = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_builtin_mp_probe,
+ .remove = wiimod_builtin_mp_remove,
+};
+
+/*
+ * No Motion Plus
+ * This module simply sets the WIIPROTO_FLAG_NO_MP protocol flag which
+ * disables motion-plus. This is needed for devices that advertise this but we
+ * don't know how to use it (or whether it is actually present).
+ */
+
+static int wiimod_no_mp_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_NO_MP;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_no_mp_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_NO_MP;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static const struct wiimod_ops wiimod_no_mp = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_no_mp_probe,
+ .remove = wiimod_no_mp_remove,
+};
+
+/*
+ * Motion Plus
+ * The Motion Plus extension provides rotation sensors (gyro) as a small
+ * extension device for Wii Remotes. Many devices have them built-in so
+ * you cannot see them from the outside.
+ * Motion Plus extensions are special because they are on a separate extension
+ * port and allow other extensions to be used simultaneously. This is all
+ * handled by the Wiimote Core so we don't have to deal with it.
+ */
+
+static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __s32 x, y, z;
+
+ /* | 8 7 6 5 4 3 | 2 | 1 |
+ * -----+------------------------------+-----+-----+
+ * 1 | Yaw Speed <7:0> |
+ * 2 | Roll Speed <7:0> |
+ * 3 | Pitch Speed <7:0> |
+ * -----+------------------------------+-----+-----+
+ * 4 | Yaw Speed <13:8> | Yaw |Pitch|
+ * -----+------------------------------+-----+-----+
+ * 5 | Roll Speed <13:8> |Roll | Ext |
+ * -----+------------------------------+-----+-----+
+ * 6 | Pitch Speed <13:8> | 1 | 0 |
+ * -----+------------------------------+-----+-----+
+ * The single bits Yaw, Roll, Pitch in the lower right corner specify
+ * whether the wiimote is rotating fast (0) or slow (1). Speed for slow
+ * roation is 440 deg/s and for fast rotation 2000 deg/s. To get a
+ * linear scale we multiply by 2000/440 = ~4.5454 which is 18 for fast
+ * and 9 for slow.
+ * If the wiimote is not rotating the sensor reports 2^13 = 8192.
+ * Ext specifies whether an extension is connected to the motionp.
+ * which is parsed by wiimote-core.
+ */
+
+ x = ext[0];
+ y = ext[1];
+ z = ext[2];
+
+ x |= (((__u16)ext[3]) << 6) & 0xff00;
+ y |= (((__u16)ext[4]) << 6) & 0xff00;
+ z |= (((__u16)ext[5]) << 6) & 0xff00;
+
+ x -= 8192;
+ y -= 8192;
+ z -= 8192;
+
+ if (!(ext[3] & 0x02))
+ x *= 18;
+ else
+ x *= 9;
+ if (!(ext[4] & 0x02))
+ y *= 18;
+ else
+ y *= 9;
+ if (!(ext[3] & 0x01))
+ z *= 18;
+ else
+ z *= 9;
+
+ input_report_abs(wdata->mp, ABS_RX, x);
+ input_report_abs(wdata->mp, ABS_RY, y);
+ input_report_abs(wdata->mp, ABS_RZ, z);
+ input_sync(wdata->mp);
+}
+
+static int wiimod_mp_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_MP_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ __wiimote_schedule(wdata);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_mp_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_MP_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ __wiimote_schedule(wdata);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static int wiimod_mp_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->mp = input_allocate_device();
+ if (!wdata->mp)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->mp, wdata);
+ wdata->mp->open = wiimod_mp_open;
+ wdata->mp->close = wiimod_mp_close;
+ wdata->mp->dev.parent = &wdata->hdev->dev;
+ wdata->mp->id.bustype = wdata->hdev->bus;
+ wdata->mp->id.vendor = wdata->hdev->vendor;
+ wdata->mp->id.product = wdata->hdev->product;
+ wdata->mp->id.version = wdata->hdev->version;
+ wdata->mp->name = WIIMOTE_NAME " Motion Plus";
+
+ set_bit(EV_ABS, wdata->mp->evbit);
+ set_bit(ABS_RX, wdata->mp->absbit);
+ set_bit(ABS_RY, wdata->mp->absbit);
+ set_bit(ABS_RZ, wdata->mp->absbit);
+ input_set_abs_params(wdata->mp,
+ ABS_RX, -16000, 16000, 4, 8);
+ input_set_abs_params(wdata->mp,
+ ABS_RY, -16000, 16000, 4, 8);
+ input_set_abs_params(wdata->mp,
+ ABS_RZ, -16000, 16000, 4, 8);
+
+ ret = input_register_device(wdata->mp);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ input_free_device(wdata->mp);
+ wdata->mp = NULL;
+ return ret;
+}
+
+static void wiimod_mp_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->mp)
+ return;
+
+ input_unregister_device(wdata->mp);
+ wdata->mp = NULL;
+}
+
+const struct wiimod_ops wiimod_mp = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_mp_probe,
+ .remove = wiimod_mp_remove,
+ .in_mp = wiimod_mp_in_mp,
+};
+
+/* module table */
+
+static const struct wiimod_ops wiimod_dummy;
+
+const struct wiimod_ops *wiimod_table[WIIMOD_NUM] = {
+ [WIIMOD_KEYS] = &wiimod_keys,
+ [WIIMOD_RUMBLE] = &wiimod_rumble,
+ [WIIMOD_BATTERY] = &wiimod_battery,
+ [WIIMOD_LED1] = &wiimod_leds[0],
+ [WIIMOD_LED2] = &wiimod_leds[1],
+ [WIIMOD_LED3] = &wiimod_leds[2],
+ [WIIMOD_LED4] = &wiimod_leds[3],
+ [WIIMOD_ACCEL] = &wiimod_accel,
+ [WIIMOD_IR] = &wiimod_ir,
+ [WIIMOD_BUILTIN_MP] = &wiimod_builtin_mp,
+ [WIIMOD_NO_MP] = &wiimod_no_mp,
+};
+
+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,
+ [WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro,
+};
Code Review / kvmfornfv.git / blobdiff