diff options
Diffstat (limited to 'drivers/hid/hid-wiimote-modules.c')
| -rw-r--r-- | drivers/hid/hid-wiimote-modules.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 213c58bf2495..dbccdfa63916 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -2403,6 +2403,230 @@ static const struct wiimod_ops wiimod_guitar = { .in_ext = wiimod_guitar_in_ext, }; +/* + * Turntable + * DJ Hero came with a Turntable Controller that was plugged in + * as an extension. + * We create a separate device for turntables and report all information via this + * input device. +*/ + +enum wiimod_turntable_keys { + WIIMOD_TURNTABLE_KEY_G_RIGHT, + WIIMOD_TURNTABLE_KEY_R_RIGHT, + WIIMOD_TURNTABLE_KEY_B_RIGHT, + WIIMOD_TURNTABLE_KEY_G_LEFT, + WIIMOD_TURNTABLE_KEY_R_LEFT, + WIIMOD_TURNTABLE_KEY_B_LEFT, + WIIMOD_TURNTABLE_KEY_EUPHORIA, + WIIMOD_TURNTABLE_KEY_PLUS, + WIIMOD_TURNTABLE_KEY_MINUS, + WIIMOD_TURNTABLE_KEY_NUM +}; + +static const __u16 wiimod_turntable_map[] = { + BTN_1, /* WIIMOD_TURNTABLE_KEY_G_RIGHT */ + BTN_2, /* WIIMOD_TURNTABLE_KEY_R_RIGHT */ + BTN_3, /* WIIMOD_TURNTABLE_KEY_B_RIGHT */ + BTN_4, /* WIIMOD_TURNTABLE_KEY_G_LEFT */ + BTN_5, /* WIIMOD_TURNTABLE_KEY_R_LEFT */ + BTN_6, /* WIIMOD_TURNTABLE_KEY_B_LEFT */ + BTN_7, /* WIIMOD_TURNTABLE_KEY_EUPHORIA */ + BTN_START, /* WIIMOD_TURNTABLE_KEY_PLUS */ + BTN_SELECT, /* WIIMOD_TURNTABLE_KEY_MINUS */ +}; + +static void wiimod_turntable_in_ext(struct wiimote_data *wdata, const __u8 *ext) +{ + __u8 be, cs, sx, sy, ed, rtt, rbg, rbr, rbb, ltt, lbg, lbr, lbb, bp, bm; + /* + * Byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 0 | RTT<4:3> | SX <5:0> | + * 1 | RTT<2:1> | SY <5:0> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 2 |RTT<0>| ED<4:3> | CS<3:0> | RTT<5> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 3 | ED<2:0> | LTT<4:0> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 4 | 0 | 0 | LBR | B- | 0 | B+ | RBR | LTT<5> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 5 | LBB | 0 | RBG | BE | LBG | RBB | 0 | 0 | + *------+------+-----+-----+-----+-----+------+------+--------+ + * All pressed buttons are 0 + * + * With Motion+ enabled, it will look like this: + * Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 1 | RTT<4:3> | SX <5:1> | 0 | + * 2 | RTT<2:1> | SY <5:1> | 0 | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 3 |RTT<0>| ED<4:3> | CS<3:0> | RTT<5> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 4 | ED<2:0> | LTT<4:0> | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 5 | 0 | 0 | LBR | B- | 0 | B+ | RBR | XXXX | + *------+------+-----+-----+-----+-----+------+------+--------+ + * 6 | LBB | 0 | RBG | BE | LBG | RBB | XXXX | XXXX | + *------+------+-----+-----+-----+-----+------+------+--------+ + */ + + be = !(ext[5] & 0x10); + cs = ((ext[2] & 0x1e)); + sx = ext[0] & 0x3f; + sy = ext[1] & 0x3f; + ed = (ext[3] & 0xe0) >> 5; + rtt = ((ext[2] & 0x01) << 5 | (ext[0] & 0xc0) >> 3 | (ext[1] & 0xc0) >> 5 | ( ext[2] & 0x80 ) >> 7); + ltt = ((ext[4] & 0x01) << 5 | (ext[3] & 0x1f)); + rbg = !(ext[5] & 0x20); + rbr = !(ext[4] & 0x02); + rbb = !(ext[5] & 0x04); + lbg = !(ext[5] & 0x08); + lbb = !(ext[5] & 0x80); + lbr = !(ext[4] & 0x20); + bm = !(ext[4] & 0x10); + bp = !(ext[4] & 0x04); + + if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) { + ltt = (ext[4] & 0x01) << 5; + sx &= 0x3e; + sy &= 0x3e; + } + + input_report_abs(wdata->extension.input, ABS_X, sx); + input_report_abs(wdata->extension.input, ABS_Y, sy); + input_report_abs(wdata->extension.input, ABS_HAT0X, rtt); + input_report_abs(wdata->extension.input, ABS_HAT1X, ltt); + input_report_abs(wdata->extension.input, ABS_HAT2X, cs); + input_report_abs(wdata->extension.input, ABS_HAT3X, ed); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_G_RIGHT], + rbg); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_R_RIGHT], + rbr); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_B_RIGHT], + rbb); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_G_LEFT], + lbg); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_R_LEFT], + lbr); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_B_LEFT], + lbb); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_EUPHORIA], + be); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_PLUS], + bp); + input_report_key(wdata->extension.input, + wiimod_turntable_map[WIIMOD_TURNTABLE_KEY_MINUS], + bm); + + input_sync(wdata->extension.input); +} + +static int wiimod_turntable_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_turntable_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_turntable_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_turntable_open; + wdata->extension.input->close = wiimod_turntable_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 " Turntable"; + + set_bit(EV_KEY, wdata->extension.input->evbit); + for (i = 0; i < WIIMOD_TURNTABLE_KEY_NUM; ++i) + set_bit(wiimod_turntable_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_HAT0X, wdata->extension.input->absbit); + set_bit(ABS_HAT1X, wdata->extension.input->absbit); + set_bit(ABS_HAT2X, wdata->extension.input->absbit); + set_bit(ABS_HAT3X, wdata->extension.input->absbit); + input_set_abs_params(wdata->extension.input, + ABS_X, 0, 63, 1, 0); + input_set_abs_params(wdata->extension.input, + ABS_Y, 63, 0, 1, 0); + input_set_abs_params(wdata->extension.input, + ABS_HAT0X, -8, 8, 0, 0); + input_set_abs_params(wdata->extension.input, + ABS_HAT1X, -8, 8, 0, 0); + input_set_abs_params(wdata->extension.input, + ABS_HAT2X, 0, 31, 1, 1); + input_set_abs_params(wdata->extension.input, + ABS_HAT3X, 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_turntable_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_turntable = { + .flags = 0, + .arg = 0, + .probe = wiimod_turntable_probe, + .remove = wiimod_turntable_remove, + .in_ext = wiimod_turntable_in_ext, +}; + /* * Builtin Motion Plus * This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which @@ -2657,4 +2881,5 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = { [WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro, [WIIMOTE_EXT_DRUMS] = &wiimod_drums, [WIIMOTE_EXT_GUITAR] = &wiimod_guitar, + [WIIMOTE_EXT_TURNTABLE] = &wiimod_turntable, }; 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