#include <linux/device.h>
#include <linux/hid.h>
#include <linux/input.h>
-#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
wiimote_queue(wdata, cmd, sizeof(cmd));
}
-static void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
+void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
{
__u8 cmd[2];
* Check what peripherals of the wiimote are currently
* active and select a proper DRM that supports all of
* the requested data inputs.
+ *
+ * Not all combinations are actually supported. The following
+ * combinations work only with limitations:
+ * - IR cam in extended or full mode disables any data transmission
+ * of extension controllers. There is no DRM mode that supports
+ * extension bytes plus extended/full IR.
+ * - IR cam with accelerometer and extension *_EXT8 is not supported.
+ * However, all extensions that need *_EXT8 are devices that don't
+ * support IR cameras. Hence, this shouldn't happen under normal
+ * operation.
+ * - *_EXT16 is only supported in combination with buttons and
+ * accelerometer. No IR or similar can be active simultaneously. As
+ * above, all modules that require it are mutually exclusive with
+ * IR/etc. so this doesn't matter.
*/
static __u8 select_drm(struct wiimote_data *wdata)
{
__u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR;
- bool ext = wiiext_active(wdata);
+ bool ext;
- if (ir == WIIPROTO_FLAG_IR_BASIC) {
- if (wdata->state.flags & WIIPROTO_FLAG_ACCEL)
- return WIIPROTO_REQ_DRM_KAIE;
+ ext = (wdata->state.flags & WIIPROTO_FLAG_EXT_USED) ||
+ (wdata->state.flags & WIIPROTO_FLAG_MP_USED);
+
+ /* some 3rd-party balance-boards are hard-coded to KEE, *sigh* */
+ if (wdata->state.devtype == WIIMOTE_DEV_BALANCE_BOARD) {
+ if (ext)
+ return WIIPROTO_REQ_DRM_KEE;
else
+ return WIIPROTO_REQ_DRM_K;
+ }
+
+ if (ir == WIIPROTO_FLAG_IR_BASIC) {
+ if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) {
+ if (ext)
+ return WIIPROTO_REQ_DRM_KAIE;
+ else
+ return WIIPROTO_REQ_DRM_KAI;
+ } else {
return WIIPROTO_REQ_DRM_KIE;
+ }
} else if (ir == WIIPROTO_FLAG_IR_EXT) {
return WIIPROTO_REQ_DRM_KAI;
} else if (ir == WIIPROTO_FLAG_IR_FULL) {
return WIIPROTO_REQ_DRM_KA;
} else {
if (ext)
- return WIIPROTO_REQ_DRM_KE;
+ return WIIPROTO_REQ_DRM_KEE;
else
return WIIPROTO_REQ_DRM_K;
}
{
__u8 cmd[3];
- if (drm == WIIPROTO_REQ_NULL)
+ if (wdata->state.flags & WIIPROTO_FLAG_DRM_LOCKED)
+ drm = wdata->state.drm;
+ else if (drm == WIIPROTO_REQ_NULL)
drm = select_drm(wdata);
cmd[0] = WIIPROTO_REQ_DRM;
wiimote_queue(wdata, cmd, sizeof(cmd));
}
-static void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel)
+void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel)
{
accel = !!accel;
if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL))
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
}
-static void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags)
+void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags)
{
__u8 cmd[2];
wiimote_queue(wdata, cmd, sizeof(cmd));
}
-static void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags)
+void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags)
{
__u8 cmd[2];
}
/* requires the cmd-mutex to be held */
-static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata)
+static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
{
- __u8 rmem[6];
int ret;
/* read extension ID */
if (ret != 6)
return WIIMOTE_EXT_NONE;
+ hid_dbg(wdata->hdev, "extension ID: %02x:%02x %02x:%02x %02x:%02x\n",
+ rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
+
if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
return WIIMOTE_EXT_NONE;
+ 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;
+ if (rmem[4] == 0x01 && rmem[5] == 0x20)
+ return WIIMOTE_EXT_PRO_CONTROLLER;
+
return WIIMOTE_EXT_UNKNOWN;
}
-static int wiimote_init_ir(struct wiimote_data *wdata, __u16 mode)
+/* requires the cmd-mutex to be held */
+static int wiimote_cmd_init_mp(struct wiimote_data *wdata)
{
+ __u8 wmem;
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);
+ /* initialize MP */
+ wmem = 0x55;
+ ret = wiimote_cmd_write(wdata, 0xa600f0, &wmem, sizeof(wmem));
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));
+ /* disable default encryption */
+ wmem = 0x0;
+ ret = wiimote_cmd_write(wdata, 0xa600fb, &wmem, sizeof(wmem));
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);
+ return ret;
-unlock:
- wiimote_cmd_release(wdata);
- return ret;
+ return 0;
}
-static enum led_brightness wiimote_leds_get(struct led_classdev *led_dev)
+/* requires the cmd-mutex to be held */
+static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
{
- 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));
+ __u8 wmem;
- 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;
- }
+ /* map MP with correct pass-through mode */
+ switch (exttype) {
+ case WIIMOTE_EXT_CLASSIC_CONTROLLER:
+ wmem = 0x07;
+ break;
+ case WIIMOTE_EXT_NUNCHUK:
+ wmem = 0x05;
+ break;
+ default:
+ wmem = 0x04;
+ break;
}
- return value ? LED_FULL : LED_OFF;
+ return wiimote_cmd_write(wdata, 0xa600fe, &wmem, sizeof(wmem));
}
-static void wiimote_leds_set(struct led_classdev *led_dev,
- enum led_brightness value)
+/* requires the cmd-mutex to be held */
+static bool wiimote_cmd_read_mp(struct wiimote_data *wdata, __u8 *rmem)
{
- struct wiimote_data *wdata;
- struct device *dev = led_dev->dev->parent;
- int i;
- unsigned long flags;
- __u8 state, flag;
+ int ret;
- wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
+ /* read motion plus ID */
+ ret = wiimote_cmd_read(wdata, 0xa600fa, rmem, 6);
+ if (ret != 6)
+ return false;
- 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;
- }
- }
-}
+ hid_dbg(wdata->hdev, "motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
+ rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
-static int wiimote_accel_open(struct input_dev *dev)
-{
- struct wiimote_data *wdata = input_get_drvdata(dev);
- unsigned long flags;
+ if (rmem[5] == 0x05)
+ return true;
- spin_lock_irqsave(&wdata->state.lock, flags);
- wiiproto_req_accel(wdata, true);
- spin_unlock_irqrestore(&wdata->state.lock, flags);
+ hid_info(wdata->hdev, "unknown motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
+ rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
- return 0;
+ return false;
}
-static void wiimote_accel_close(struct input_dev *dev)
+/* requires the cmd-mutex to be held */
+static __u8 wiimote_cmd_read_mp_mapped(struct wiimote_data *wdata)
{
- struct wiimote_data *wdata = input_get_drvdata(dev);
- unsigned long flags;
+ int ret;
+ __u8 rmem[6];
- spin_lock_irqsave(&wdata->state.lock, flags);
- wiiproto_req_accel(wdata, false);
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-}
+ /* read motion plus ID */
+ ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6);
+ if (ret != 6)
+ return WIIMOTE_MP_NONE;
-static int wiimote_ir_open(struct input_dev *dev)
-{
- struct wiimote_data *wdata = input_get_drvdata(dev);
+ hid_dbg(wdata->hdev, "mapped motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
+ rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
- return wiimote_init_ir(wdata, WIIPROTO_FLAG_IR_BASIC);
-}
+ if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
+ rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
+ return WIIMOTE_MP_NONE;
-static void wiimote_ir_close(struct input_dev *dev)
-{
- struct wiimote_data *wdata = input_get_drvdata(dev);
+ if (rmem[4] == 0x04 && rmem[5] == 0x05)
+ return WIIMOTE_MP_SINGLE;
+ else if (rmem[4] == 0x05 && rmem[5] == 0x05)
+ return WIIMOTE_MP_PASSTHROUGH_NUNCHUK;
+ else if (rmem[4] == 0x07 && rmem[5] == 0x05)
+ return WIIMOTE_MP_PASSTHROUGH_CLASSIC;
- wiimote_init_ir(wdata, 0);
+ return WIIMOTE_MP_UNKNOWN;
}
/* device module handling */
WIIMOD_NULL,
},
[WIIMOTE_DEV_UNKNOWN] = (const __u8[]){
+ WIIMOD_NO_MP,
WIIMOD_NULL,
},
[WIIMOTE_DEV_GENERIC] = (const __u8[]){
WIIMOD_KEYS,
WIIMOD_RUMBLE,
WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_LED2,
+ WIIMOD_LED3,
+ WIIMOD_LED4,
+ WIIMOD_ACCEL,
+ WIIMOD_IR,
WIIMOD_NULL,
},
[WIIMOTE_DEV_GEN10] = (const __u8[]){
WIIMOD_KEYS,
WIIMOD_RUMBLE,
WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_LED2,
+ WIIMOD_LED3,
+ WIIMOD_LED4,
+ WIIMOD_ACCEL,
+ WIIMOD_IR,
WIIMOD_NULL,
},
[WIIMOTE_DEV_GEN20] = (const __u8[]){
WIIMOD_KEYS,
WIIMOD_RUMBLE,
WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_LED2,
+ WIIMOD_LED3,
+ WIIMOD_LED4,
+ WIIMOD_ACCEL,
+ WIIMOD_IR,
+ WIIMOD_BUILTIN_MP,
+ WIIMOD_NULL,
+ },
+ [WIIMOTE_DEV_BALANCE_BOARD] = (const __u8[]) {
+ WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_NO_MP,
+ WIIMOD_NULL,
+ },
+ [WIIMOTE_DEV_PRO_CONTROLLER] = (const __u8[]) {
+ WIIMOD_BATTERY,
+ WIIMOD_LED1,
+ WIIMOD_LED2,
+ WIIMOD_LED3,
+ WIIMOD_LED4,
+ WIIMOD_NO_MP,
WIIMOD_NULL,
},
};
}
}
+/* device extension handling */
+
+static void wiimote_ext_load(struct wiimote_data *wdata, unsigned int ext)
+{
+ unsigned long flags;
+ const struct wiimod_ops *ops;
+ int ret;
+
+ ops = wiimod_ext_table[ext];
+
+ if (ops->probe) {
+ ret = ops->probe(ops, wdata);
+ if (ret)
+ ext = WIIMOTE_EXT_UNKNOWN;
+ }
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.exttype = ext;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static void wiimote_ext_unload(struct wiimote_data *wdata)
+{
+ unsigned long flags;
+ const struct wiimod_ops *ops;
+
+ ops = wiimod_ext_table[wdata->state.exttype];
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.exttype = WIIMOTE_EXT_UNKNOWN;
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ if (ops->remove)
+ ops->remove(ops, wdata);
+}
+
+static void wiimote_mp_load(struct wiimote_data *wdata)
+{
+ unsigned long flags;
+ const struct wiimod_ops *ops;
+ int ret;
+ __u8 mode = 2;
+
+ ops = &wiimod_mp;
+ if (ops->probe) {
+ ret = ops->probe(ops, wdata);
+ if (ret)
+ mode = 1;
+ }
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.mp = mode;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static void wiimote_mp_unload(struct wiimote_data *wdata)
+{
+ unsigned long flags;
+ const struct wiimod_ops *ops;
+
+ if (wdata->state.mp < 2)
+ return;
+
+ ops = &wiimod_mp;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.mp = 0;
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_USED;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ if (ops->remove)
+ ops->remove(ops, wdata);
+}
+
/* device (re-)initialization and detection */
static const char *wiimote_devtype_names[WIIMOTE_DEV_NUM] = {
[WIIMOTE_DEV_GENERIC] = "Generic",
[WIIMOTE_DEV_GEN10] = "Nintendo Wii Remote (Gen 1)",
[WIIMOTE_DEV_GEN20] = "Nintendo Wii Remote Plus (Gen 2)",
+ [WIIMOTE_DEV_BALANCE_BOARD] = "Nintendo Wii Balance Board",
+ [WIIMOTE_DEV_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
};
/* Try to guess the device type based on all collected information. We
product = wdata->hdev->product;
name = wdata->hdev->name;
+ if (exttype == WIIMOTE_EXT_BALANCE_BOARD) {
+ devtype = WIIMOTE_DEV_BALANCE_BOARD;
+ goto done;
+ } else if (exttype == WIIMOTE_EXT_PRO_CONTROLLER) {
+ devtype = WIIMOTE_DEV_PRO_CONTROLLER;
+ goto done;
+ }
+
if (!strcmp(name, "Nintendo RVL-CNT-01")) {
devtype = WIIMOTE_DEV_GEN10;
goto done;
} else if (!strcmp(name, "Nintendo RVL-CNT-01-TR")) {
devtype = WIIMOTE_DEV_GEN20;
goto done;
+ } else if (!strcmp(name, "Nintendo RVL-WBC-01")) {
+ devtype = WIIMOTE_DEV_BALANCE_BOARD;
+ goto done;
+ } else if (!strcmp(name, "Nintendo RVL-CNT-01-UC")) {
+ devtype = WIIMOTE_DEV_PRO_CONTROLLER;
+ goto done;
}
if (vendor == USB_VENDOR_ID_NINTENDO) {
static void wiimote_init_detect(struct wiimote_data *wdata)
{
- __u8 exttype = WIIMOTE_EXT_NONE;
+ __u8 exttype = WIIMOTE_EXT_NONE, extdata[6];
bool ext;
int ret;
goto out_release;
wiimote_cmd_init_ext(wdata);
- exttype = wiimote_cmd_read_ext(wdata);
+ exttype = wiimote_cmd_read_ext(wdata, extdata);
out_release:
wiimote_cmd_release(wdata);
wiimote_init_set_type(wdata, exttype);
+
+ /* schedule MP timer */
+ spin_lock_irq(&wdata->state.lock);
+ if (!(wdata->state.flags & WIIPROTO_FLAG_BUILTIN_MP) &&
+ !(wdata->state.flags & WIIPROTO_FLAG_NO_MP))
+ mod_timer(&wdata->timer, jiffies + HZ * 4);
+ spin_unlock_irq(&wdata->state.lock);
+}
+
+/*
+ * MP hotplug events are not generated by the wiimote. Therefore, we need
+ * polling to detect it. We use a 4s interval for polling MP registers. This
+ * seems reasonable considering applications can trigger it manually via
+ * sysfs requests.
+ */
+static void wiimote_init_poll_mp(struct wiimote_data *wdata)
+{
+ bool mp;
+ __u8 mpdata[6];
+
+ wiimote_cmd_acquire_noint(wdata);
+ wiimote_cmd_init_mp(wdata);
+ mp = wiimote_cmd_read_mp(wdata, mpdata);
+ wiimote_cmd_release(wdata);
+
+ /* load/unload MP module if it changed */
+ if (mp) {
+ if (!wdata->state.mp) {
+ hid_info(wdata->hdev, "detected extension: Nintendo Wii Motion Plus\n");
+ wiimote_mp_load(wdata);
+ }
+ } else if (wdata->state.mp) {
+ wiimote_mp_unload(wdata);
+ }
+
+ mod_timer(&wdata->timer, jiffies + HZ * 4);
+}
+
+/*
+ * Check whether the wiimote is in the expected state. The extension registers
+ * may change during hotplug and initialization so we might get hotplug events
+ * that we caused by remapping some memory.
+ * We use some heuristics here to check known states. If the wiimote is in the
+ * expected state, we can ignore the hotplug event.
+ *
+ * Returns "true" if the device is in expected state, "false" if we should
+ * redo hotplug handling and extension initialization.
+ */
+static bool wiimote_init_check(struct wiimote_data *wdata)
+{
+ __u32 flags;
+ __u8 type, data[6];
+ bool ret, poll_mp;
+
+ spin_lock_irq(&wdata->state.lock);
+ flags = wdata->state.flags;
+ spin_unlock_irq(&wdata->state.lock);
+
+ wiimote_cmd_acquire_noint(wdata);
+
+ /* If MP is used and active, but the extension is not, we expect:
+ * read_mp_mapped() == WIIMOTE_MP_SINGLE
+ * state.flags == !EXT_ACTIVE && !MP_PLUGGED && MP_ACTIVE
+ * We do not check EXT_PLUGGED because it might change during
+ * initialization of MP without extensions.
+ * - If MP is unplugged/replugged, read_mp_mapped() fails
+ * - If EXT is plugged, MP_PLUGGED will get set */
+ if (wdata->state.exttype == WIIMOTE_EXT_NONE &&
+ wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {
+ type = wiimote_cmd_read_mp_mapped(wdata);
+ ret = type == WIIMOTE_MP_SINGLE;
+
+ spin_lock_irq(&wdata->state.lock);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED);
+ ret = ret && (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE);
+ spin_unlock_irq(&wdata->state.lock);
+
+ if (!ret)
+ hid_dbg(wdata->hdev, "state left: !EXT && MP\n");
+
+ /* while MP is mapped, we get EXT_PLUGGED events */
+ poll_mp = false;
+
+ goto out_release;
+ }
+
+ /* If MP is unused, but the extension port is used, we expect:
+ * read_ext == state.exttype
+ * state.flags == !MP_ACTIVE && EXT_ACTIVE
+ * - If MP is plugged/unplugged, our timer detects it
+ * - If EXT is unplugged/replugged, EXT_ACTIVE will become unset */
+ if (!(flags & WIIPROTO_FLAG_MP_USED) &&
+ wdata->state.exttype != WIIMOTE_EXT_NONE) {
+ type = wiimote_cmd_read_ext(wdata, data);
+ ret = type == wdata->state.exttype;
+
+ spin_lock_irq(&wdata->state.lock);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE);
+ ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE);
+ spin_unlock_irq(&wdata->state.lock);
+
+ if (!ret)
+ hid_dbg(wdata->hdev, "state left: EXT && !MP\n");
+
+ /* poll MP for hotplug events */
+ poll_mp = true;
+
+ goto out_release;
+ }
+
+ /* If neither MP nor an extension are used, we expect:
+ * read_ext() == WIIMOTE_EXT_NONE
+ * state.flags == !MP_ACTIVE && !EXT_ACTIVE && !EXT_PLUGGED
+ * No need to perform any action in this case as everything is
+ * disabled already.
+ * - If MP is plugged/unplugged, our timer detects it
+ * - If EXT is plugged, EXT_PLUGGED will be set */
+ if (!(flags & WIIPROTO_FLAG_MP_USED) &&
+ wdata->state.exttype == WIIMOTE_EXT_NONE) {
+ type = wiimote_cmd_read_ext(wdata, data);
+ ret = type == wdata->state.exttype;
+
+ spin_lock_irq(&wdata->state.lock);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE);
+ ret = ret && !(wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED);
+ spin_unlock_irq(&wdata->state.lock);
+
+ if (!ret)
+ hid_dbg(wdata->hdev, "state left: !EXT && !MP\n");
+
+ /* poll MP for hotplug events */
+ poll_mp = true;
+
+ goto out_release;
+ }
+
+ /* The trickiest part is if both EXT and MP are active. We cannot read
+ * the EXT ID, anymore, because MP is mapped over it. However, we use
+ * a handy trick here:
+ * - EXT_ACTIVE is unset whenever !MP_PLUGGED is sent
+ * MP_PLUGGED might be re-sent again before we are scheduled, but
+ * EXT_ACTIVE will stay unset.
+ * So it is enough to check for mp_mapped() and MP_ACTIVE and
+ * EXT_ACTIVE. EXT_PLUGGED is a sanity check. */
+ if (wdata->state.exttype != WIIMOTE_EXT_NONE &&
+ wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {
+ type = wiimote_cmd_read_mp_mapped(wdata);
+ ret = type != WIIMOTE_MP_NONE;
+ ret = ret && type != WIIMOTE_MP_UNKNOWN;
+ ret = ret && type != WIIMOTE_MP_SINGLE;
+
+ spin_lock_irq(&wdata->state.lock);
+ ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED);
+ ret = ret && (wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE);
+ ret = ret && (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE);
+ spin_unlock_irq(&wdata->state.lock);
+
+ if (!ret)
+ hid_dbg(wdata->hdev, "state left: EXT && MP\n");
+
+ /* while MP is mapped, we get EXT_PLUGGED events */
+ poll_mp = false;
+
+ goto out_release;
+ }
+
+ /* unknown state */
+ ret = false;
+
+out_release:
+ wiimote_cmd_release(wdata);
+
+ /* only poll for MP if requested and if state didn't change */
+ if (ret && poll_mp && !(flags & WIIPROTO_FLAG_BUILTIN_MP) &&
+ !(flags & WIIPROTO_FLAG_NO_MP))
+ wiimote_init_poll_mp(wdata);
+
+ return ret;
+}
+
+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",
+ [WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
+};
+
+/*
+ * Handle hotplug events
+ * If we receive an hotplug event and the device-check failed, we deinitialize
+ * the extension ports, re-read all extension IDs and set the device into
+ * the desired state. This involves mapping MP into the main extension
+ * registers, setting up extension passthrough modes and initializing the
+ * requested extensions.
+ */
+static void wiimote_init_hotplug(struct wiimote_data *wdata)
+{
+ __u8 exttype, extdata[6], mpdata[6];
+ __u32 flags;
+ bool mp;
+
+ hid_dbg(wdata->hdev, "detect extensions..\n");
+
+ wiimote_cmd_acquire_noint(wdata);
+
+ spin_lock_irq(&wdata->state.lock);
+
+ /* get state snapshot that we will then work on */
+ flags = wdata->state.flags;
+
+ /* disable event forwarding temporarily */
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE;
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_ACTIVE;
+
+ spin_unlock_irq(&wdata->state.lock);
+
+ /* init extension and MP (deactivates current extension or MP) */
+ wiimote_cmd_init_ext(wdata);
+ if (flags & WIIPROTO_FLAG_NO_MP) {
+ mp = false;
+ } else {
+ wiimote_cmd_init_mp(wdata);
+ mp = wiimote_cmd_read_mp(wdata, mpdata);
+ }
+ exttype = wiimote_cmd_read_ext(wdata, extdata);
+
+ wiimote_cmd_release(wdata);
+
+ /* load/unload extension module if it changed */
+ if (exttype != wdata->state.exttype) {
+ /* unload previous extension */
+ wiimote_ext_unload(wdata);
+
+ if (exttype == WIIMOTE_EXT_UNKNOWN) {
+ hid_info(wdata->hdev, "cannot detect extension; %02x:%02x %02x:%02x %02x:%02x\n",
+ extdata[0], extdata[1], extdata[2],
+ extdata[3], extdata[4], extdata[5]);
+ } else if (exttype == WIIMOTE_EXT_NONE) {
+ spin_lock_irq(&wdata->state.lock);
+ wdata->state.exttype = WIIMOTE_EXT_NONE;
+ spin_unlock_irq(&wdata->state.lock);
+ } else {
+ hid_info(wdata->hdev, "detected extension: %s\n",
+ wiimote_exttype_names[exttype]);
+ /* try loading new extension */
+ wiimote_ext_load(wdata, exttype);
+ }
+ }
+
+ /* load/unload MP module if it changed */
+ if (mp) {
+ if (!wdata->state.mp) {
+ hid_info(wdata->hdev, "detected extension: Nintendo Wii Motion Plus\n");
+ wiimote_mp_load(wdata);
+ }
+ } else if (wdata->state.mp) {
+ wiimote_mp_unload(wdata);
+ }
+
+ /* if MP is not used, do not map or activate it */
+ if (!(flags & WIIPROTO_FLAG_MP_USED))
+ mp = false;
+
+ /* map MP into main extension registers if used */
+ if (mp) {
+ wiimote_cmd_acquire_noint(wdata);
+ wiimote_cmd_map_mp(wdata, exttype);
+ wiimote_cmd_release(wdata);
+
+ /* delete MP hotplug timer */
+ del_timer_sync(&wdata->timer);
+ } else {
+ /* reschedule MP hotplug timer */
+ if (!(flags & WIIPROTO_FLAG_BUILTIN_MP) &&
+ !(flags & WIIPROTO_FLAG_NO_MP))
+ mod_timer(&wdata->timer, jiffies + HZ * 4);
+ }
+
+ spin_lock_irq(&wdata->state.lock);
+
+ /* enable data forwarding again and set expected hotplug state */
+ if (mp) {
+ wdata->state.flags |= WIIPROTO_FLAG_MP_ACTIVE;
+ if (wdata->state.exttype == WIIMOTE_EXT_NONE) {
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED;
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED;
+ } else {
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED;
+ wdata->state.flags |= WIIPROTO_FLAG_MP_PLUGGED;
+ wdata->state.flags |= WIIPROTO_FLAG_EXT_ACTIVE;
+ }
+ } else if (wdata->state.exttype != WIIMOTE_EXT_NONE) {
+ wdata->state.flags |= WIIPROTO_FLAG_EXT_ACTIVE;
+ }
+
+ /* request status report for hotplug state updates */
+ wiiproto_req_status(wdata);
+
+ spin_unlock_irq(&wdata->state.lock);
+
+ hid_dbg(wdata->hdev, "detected extensions: MP: %d EXT: %d\n",
+ wdata->state.mp, wdata->state.exttype);
}
static void wiimote_init_worker(struct work_struct *work)
{
struct wiimote_data *wdata = container_of(work, struct wiimote_data,
init_worker);
+ bool changed = false;
- if (wdata->state.devtype == WIIMOTE_DEV_PENDING)
+ if (wdata->state.devtype == WIIMOTE_DEV_PENDING) {
wiimote_init_detect(wdata);
+ changed = true;
+ }
+
+ if (changed || !wiimote_init_check(wdata))
+ wiimote_init_hotplug(wdata);
+
+ if (changed)
+ kobject_uevent(&wdata->hdev->dev.kobj, KOBJ_CHANGE);
+}
+
+void __wiimote_schedule(struct wiimote_data *wdata)
+{
+ if (!(wdata->state.flags & WIIPROTO_FLAG_EXITING))
+ schedule_work(&wdata->init_worker);
+}
+
+static void wiimote_schedule(struct wiimote_data *wdata)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ __wiimote_schedule(wdata);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static void wiimote_init_timeout(unsigned long arg)
+{
+ struct wiimote_data *wdata = (void*)arg;
+
+ wiimote_schedule(wdata);
}
/* protocol handlers */
const __u8 *iter, *mods;
const struct wiimod_ops *ops;
+ ops = wiimod_ext_table[wdata->state.exttype];
+ if (ops->in_keys) {
+ ops->in_keys(wdata, payload);
+ return;
+ }
+
mods = wiimote_devtype_mods[wdata->state.devtype];
for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
ops = wiimod_table[*iter];
static void handler_accel(struct wiimote_data *wdata, const __u8 *payload)
{
- __u16 x, y, z;
+ const __u8 *iter, *mods;
+ const struct wiimod_ops *ops;
- if (!(wdata->state.flags & WIIPROTO_FLAG_ACCEL))
+ ops = wiimod_ext_table[wdata->state.exttype];
+ if (ops->in_accel) {
+ ops->in_accel(wdata, payload);
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 = payload[2] << 2;
- y = payload[3] << 2;
- z = payload[4] << 2;
-
- x |= (payload[0] >> 5) & 0x3;
- y |= (payload[1] >> 4) & 0x2;
- z |= (payload[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);
+ mods = wiimote_devtype_mods[wdata->state.devtype];
+ for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
+ ops = wiimod_table[*iter];
+ if (ops->in_accel) {
+ ops->in_accel(wdata, payload);
+ break;
+ }
+ }
}
-#define ir_to_input0(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \
- ABS_HAT0X, ABS_HAT0Y)
-#define ir_to_input1(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \
- ABS_HAT1X, ABS_HAT1Y)
-#define ir_to_input2(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \
- ABS_HAT2X, ABS_HAT2Y)
-#define ir_to_input3(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \
- ABS_HAT3X, ABS_HAT3Y)
+static bool valid_ext_handler(const struct wiimod_ops *ops, size_t len)
+{
+ if (!ops->in_ext)
+ return false;
+ if ((ops->flags & WIIMOD_FLAG_EXT8) && len < 8)
+ return false;
+ if ((ops->flags & WIIMOD_FLAG_EXT16) && len < 16)
+ return false;
+
+ return true;
+}
-static void __ir_to_input(struct wiimote_data *wdata, const __u8 *ir,
- bool packed, __u8 xid, __u8 yid)
+static void handler_ext(struct wiimote_data *wdata, const __u8 *payload,
+ size_t len)
{
- __u16 x, y;
+ static const __u8 invalid[21] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff };
+ const __u8 *iter, *mods;
+ const struct wiimod_ops *ops;
+ bool is_mp;
- if (!(wdata->state.flags & WIIPROTO_FLAGS_IR))
+ if (len > 21)
+ len = 21;
+ if (len < 6 || !memcmp(payload, invalid, len))
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_HATXY input dev.
- */
+ /* if MP is active, track MP slot hotplugging */
+ if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
+ /* this bit is set for invalid events (eg. during hotplug) */
+ if (payload[5] & 0x01)
+ return;
- if (packed) {
- x = ir[1] | ((ir[0] & 0x03) << 8);
- y = ir[2] | ((ir[0] & 0x0c) << 6);
+ if (payload[4] & 0x01) {
+ if (!(wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED)) {
+ hid_dbg(wdata->hdev, "MP hotplug: 1\n");
+ wdata->state.flags |= WIIPROTO_FLAG_MP_PLUGGED;
+ __wiimote_schedule(wdata);
+ }
+ } else {
+ if (wdata->state.flags & WIIPROTO_FLAG_MP_PLUGGED) {
+ hid_dbg(wdata->hdev, "MP hotplug: 0\n");
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED;
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE;
+ __wiimote_schedule(wdata);
+ }
+ }
+
+ /* detect MP data that is sent interleaved with EXT data */
+ is_mp = payload[5] & 0x02;
} else {
- x = ir[0] | ((ir[2] & 0x30) << 4);
- y = ir[1] | ((ir[2] & 0xc0) << 2);
+ is_mp = false;
+ }
+
+ /* ignore EXT events if no extension is active */
+ if (!(wdata->state.flags & WIIPROTO_FLAG_EXT_ACTIVE) && !is_mp)
+ return;
+
+ /* try forwarding to extension handler, first */
+ ops = wiimod_ext_table[wdata->state.exttype];
+ if (is_mp && ops->in_mp) {
+ ops->in_mp(wdata, payload);
+ return;
+ } else if (!is_mp && valid_ext_handler(ops, len)) {
+ ops->in_ext(wdata, payload);
+ return;
+ }
+
+ /* try forwarding to MP handler */
+ ops = &wiimod_mp;
+ if (is_mp && ops->in_mp) {
+ ops->in_mp(wdata, payload);
+ return;
+ } else if (!is_mp && valid_ext_handler(ops, len)) {
+ ops->in_ext(wdata, payload);
+ return;
}
- input_report_abs(wdata->ir, xid, x);
- input_report_abs(wdata->ir, yid, y);
+ /* try forwarding to loaded modules */
+ mods = wiimote_devtype_mods[wdata->state.devtype];
+ for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
+ ops = wiimod_table[*iter];
+ if (is_mp && ops->in_mp) {
+ ops->in_mp(wdata, payload);
+ return;
+ } else if (!is_mp && valid_ext_handler(ops, len)) {
+ ops->in_ext(wdata, payload);
+ return;
+ }
+ }
+}
+
+#define ir_to_input0(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 0)
+#define ir_to_input1(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 1)
+#define ir_to_input2(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 2)
+#define ir_to_input3(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 3)
+
+static void handler_ir(struct wiimote_data *wdata, const __u8 *payload,
+ bool packed, unsigned int id)
+{
+ const __u8 *iter, *mods;
+ const struct wiimod_ops *ops;
+
+ ops = wiimod_ext_table[wdata->state.exttype];
+ if (ops->in_ir) {
+ ops->in_ir(wdata, payload, packed, id);
+ return;
+ }
+
+ mods = wiimote_devtype_mods[wdata->state.devtype];
+ for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
+ ops = wiimod_table[*iter];
+ if (ops->in_ir) {
+ ops->in_ir(wdata, payload, packed, id);
+ break;
+ }
+ }
}
/* reduced status report with "BB BB" key data only */
/* update extension status */
if (payload[2] & 0x02) {
- wdata->state.flags |= WIIPROTO_FLAG_EXT_PLUGGED;
- wiiext_event(wdata, true);
+ if (!(wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED)) {
+ hid_dbg(wdata->hdev, "EXT hotplug: 1\n");
+ wdata->state.flags |= WIIPROTO_FLAG_EXT_PLUGGED;
+ __wiimote_schedule(wdata);
+ }
} else {
- wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED;
- wiiext_event(wdata, false);
+ if (wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED) {
+ hid_dbg(wdata->hdev, "EXT hotplug: 0\n");
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED;
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_PLUGGED;
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_ACTIVE;
+ wdata->state.flags &= ~WIIPROTO_FLAG_MP_ACTIVE;
+ __wiimote_schedule(wdata);
+ }
}
wdata->state.cmd_battery = payload[5];
static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload)
{
handler_keys(wdata, payload);
- wiiext_handle(wdata, &payload[2]);
+ handler_ext(wdata, &payload[2], 8);
}
static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload)
ir_to_input1(wdata, &payload[8], false);
ir_to_input2(wdata, &payload[11], false);
ir_to_input3(wdata, &payload[14], false);
- input_sync(wdata->ir);
}
static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload)
{
handler_keys(wdata, payload);
- wiiext_handle(wdata, &payload[2]);
+ handler_ext(wdata, &payload[2], 19);
}
static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload)
ir_to_input1(wdata, &payload[4], true);
ir_to_input2(wdata, &payload[7], false);
ir_to_input3(wdata, &payload[9], true);
- input_sync(wdata->ir);
- wiiext_handle(wdata, &payload[12]);
+ handler_ext(wdata, &payload[12], 9);
}
static void handler_drm_KAE(struct wiimote_data *wdata, const __u8 *payload)
{
handler_keys(wdata, payload);
handler_accel(wdata, payload);
- wiiext_handle(wdata, &payload[5]);
+ handler_ext(wdata, &payload[5], 16);
}
static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload)
ir_to_input1(wdata, &payload[7], true);
ir_to_input2(wdata, &payload[10], false);
ir_to_input3(wdata, &payload[12], true);
- input_sync(wdata->ir);
- wiiext_handle(wdata, &payload[15]);
+ handler_ext(wdata, &payload[15], 6);
}
static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload)
{
- wiiext_handle(wdata, payload);
+ handler_ext(wdata, payload, 21);
}
static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload)
ir_to_input0(wdata, &payload[3], false);
ir_to_input1(wdata, &payload[12], false);
- input_sync(wdata->ir);
}
static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload)
ir_to_input2(wdata, &payload[3], false);
ir_to_input3(wdata, &payload[12], false);
- input_sync(wdata->ir);
}
struct wiiproto_handler {
return 0;
}
-static void wiimote_leds_destroy(struct wiimote_data *wdata)
+static ssize_t wiimote_ext_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- int i;
- struct led_classdev *led;
-
- for (i = 0; i < 4; ++i) {
- if (wdata->leds[i]) {
- led = wdata->leds[i];
- wdata->leds[i] = NULL;
- led_classdev_unregister(led);
- kfree(led);
- }
+ struct wiimote_data *wdata = dev_to_wii(dev);
+ __u8 type;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ type = wdata->state.exttype;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ switch (type) {
+ case WIIMOTE_EXT_NONE:
+ return sprintf(buf, "none\n");
+ case WIIMOTE_EXT_NUNCHUK:
+ return sprintf(buf, "nunchuk\n");
+ case WIIMOTE_EXT_CLASSIC_CONTROLLER:
+ return sprintf(buf, "classic\n");
+ case WIIMOTE_EXT_BALANCE_BOARD:
+ return sprintf(buf, "balanceboard\n");
+ case WIIMOTE_EXT_PRO_CONTROLLER:
+ return sprintf(buf, "procontroller\n");
+ case WIIMOTE_EXT_UNKNOWN:
+ /* fallthrough */
+ default:
+ return sprintf(buf, "unknown\n");
}
}
-static int wiimote_leds_create(struct wiimote_data *wdata)
+static ssize_t wiimote_ext_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- int i, ret;
- struct device *dev = &wdata->hdev->dev;
- size_t namesz = strlen(dev_name(dev)) + 9;
- struct led_classdev *led;
- char *name;
+ struct wiimote_data *wdata = dev_to_wii(dev);
- for (i = 0; i < 4; ++i) {
- led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
- if (!led) {
- ret = -ENOMEM;
- goto err;
- }
- name = (void*)&led[1];
- snprintf(name, namesz, "%s:blue:p%d", dev_name(dev), i);
- led->name = name;
- led->brightness = 0;
- led->max_brightness = 1;
- led->brightness_get = wiimote_leds_get;
- led->brightness_set = wiimote_leds_set;
-
- ret = led_classdev_register(dev, led);
- if (ret) {
- kfree(led);
- goto err;
- }
- wdata->leds[i] = led;
+ if (!strcmp(buf, "scan")) {
+ wiimote_schedule(wdata);
+ } else {
+ return -EINVAL;
}
- return 0;
+ return strnlen(buf, PAGE_SIZE);
+}
-err:
- wiimote_leds_destroy(wdata);
- return ret;
+static DEVICE_ATTR(extension, S_IRUGO | S_IWUSR | S_IWGRP, wiimote_ext_show,
+ wiimote_ext_store);
+
+static ssize_t wiimote_dev_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct wiimote_data *wdata = dev_to_wii(dev);
+ __u8 type;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ type = wdata->state.devtype;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ switch (type) {
+ case WIIMOTE_DEV_GENERIC:
+ return sprintf(buf, "generic\n");
+ case WIIMOTE_DEV_GEN10:
+ return sprintf(buf, "gen10\n");
+ case WIIMOTE_DEV_GEN20:
+ return sprintf(buf, "gen20\n");
+ case WIIMOTE_DEV_BALANCE_BOARD:
+ return sprintf(buf, "balanceboard\n");
+ case WIIMOTE_DEV_PRO_CONTROLLER:
+ return sprintf(buf, "procontroller\n");
+ case WIIMOTE_DEV_PENDING:
+ return sprintf(buf, "pending\n");
+ case WIIMOTE_DEV_UNKNOWN:
+ /* fallthrough */
+ default:
+ return sprintf(buf, "unknown\n");
+ }
}
+static DEVICE_ATTR(devtype, S_IRUGO, wiimote_dev_show, NULL);
+
static struct wiimote_data *wiimote_create(struct hid_device *hdev)
{
struct wiimote_data *wdata;
wdata->hdev = hdev;
hid_set_drvdata(hdev, wdata);
- wdata->accel = input_allocate_device();
- if (!wdata->accel)
- goto err;
-
- input_set_drvdata(wdata->accel, wdata);
- wdata->accel->open = wiimote_accel_open;
- wdata->accel->close = wiimote_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);
-
- wdata->ir = input_allocate_device();
- if (!wdata->ir)
- goto err_ir;
-
- input_set_drvdata(wdata->ir, wdata);
- wdata->ir->open = wiimote_ir_open;
- wdata->ir->close = wiimote_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);
-
spin_lock_init(&wdata->queue.lock);
INIT_WORK(&wdata->queue.worker, wiimote_queue_worker);
wdata->state.cmd_battery = 0xff;
INIT_WORK(&wdata->init_worker, wiimote_init_worker);
+ setup_timer(&wdata->timer, wiimote_init_timeout, (long)wdata);
return wdata;
-
-err_ir:
- input_free_device(wdata->accel);
-err:
- kfree(wdata);
- return NULL;
}
static void wiimote_destroy(struct wiimote_data *wdata)
{
+ unsigned long flags;
+
wiidebug_deinit(wdata);
- wiiext_deinit(wdata);
- wiimote_leds_destroy(wdata);
+
+ /* prevent init_worker from being scheduled again */
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_EXITING;
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
cancel_work_sync(&wdata->init_worker);
+ del_timer_sync(&wdata->timer);
+
+ device_remove_file(&wdata->hdev->dev, &dev_attr_devtype);
+ device_remove_file(&wdata->hdev->dev, &dev_attr_extension);
+
+ wiimote_mp_unload(wdata);
+ wiimote_ext_unload(wdata);
wiimote_modules_unload(wdata);
- input_unregister_device(wdata->accel);
- input_unregister_device(wdata->ir);
cancel_work_sync(&wdata->queue.worker);
hid_hw_close(wdata->hdev);
hid_hw_stop(wdata->hdev);
goto err_stop;
}
- ret = input_register_device(wdata->accel);
+ ret = device_create_file(&hdev->dev, &dev_attr_extension);
if (ret) {
- hid_err(hdev, "Cannot register input device\n");
+ hid_err(hdev, "cannot create sysfs attribute\n");
goto err_close;
}
- ret = input_register_device(wdata->ir);
+ ret = device_create_file(&hdev->dev, &dev_attr_devtype);
if (ret) {
- hid_err(hdev, "Cannot register input device\n");
- goto err_ir;
+ hid_err(hdev, "cannot create sysfs attribute\n");
+ goto err_ext;
}
- ret = wiimote_leds_create(wdata);
- if (ret)
- goto err_free;
-
- ret = wiiext_init(wdata);
- if (ret)
- goto err_free;
-
ret = wiidebug_init(wdata);
if (ret)
goto err_free;
hid_info(hdev, "New device registered\n");
- /* by default set led1 after device initialization */
- spin_lock_irq(&wdata->state.lock);
- wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1);
- spin_unlock_irq(&wdata->state.lock);
-
/* schedule device detection */
- schedule_work(&wdata->init_worker);
+ wiimote_schedule(wdata);
return 0;
wiimote_destroy(wdata);
return ret;
-err_ir:
- input_unregister_device(wdata->accel);
- wdata->accel = NULL;
+err_ext:
+ device_remove_file(&wdata->hdev->dev, &dev_attr_extension);
err_close:
hid_hw_close(hdev);
err_stop:
projects / firefly-linux-kernel-4.4.55.git / blobdiff