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For BT transport layer, ret = hid_output_raw_report(A, B, C, HID_OUTPUT_REPORT); is equivalent to ret = hid_hw_output_report(A, B, C); So use the new API where available Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1876 lines
48 KiB
C
1876 lines
48 KiB
C
/*
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* HID driver for Nintendo Wii / Wii U peripherals
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* Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/completion.h>
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/input.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
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#include "hid-ids.h"
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#include "hid-wiimote.h"
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/* output queue handling */
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static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer,
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size_t count)
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{
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__u8 *buf;
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int ret;
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if (!hdev->ll_driver->output_report)
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return -ENODEV;
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buf = kmemdup(buffer, count, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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ret = hid_hw_output_report(hdev, buf, count);
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kfree(buf);
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return ret;
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}
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static void wiimote_queue_worker(struct work_struct *work)
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{
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struct wiimote_queue *queue = container_of(work, struct wiimote_queue,
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worker);
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struct wiimote_data *wdata = container_of(queue, struct wiimote_data,
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queue);
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unsigned long flags;
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int ret;
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spin_lock_irqsave(&wdata->queue.lock, flags);
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while (wdata->queue.head != wdata->queue.tail) {
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spin_unlock_irqrestore(&wdata->queue.lock, flags);
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ret = wiimote_hid_send(wdata->hdev,
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wdata->queue.outq[wdata->queue.tail].data,
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wdata->queue.outq[wdata->queue.tail].size);
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if (ret < 0) {
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spin_lock_irqsave(&wdata->state.lock, flags);
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wiimote_cmd_abort(wdata);
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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}
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spin_lock_irqsave(&wdata->queue.lock, flags);
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wdata->queue.tail = (wdata->queue.tail + 1) % WIIMOTE_BUFSIZE;
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}
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spin_unlock_irqrestore(&wdata->queue.lock, flags);
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}
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static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer,
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size_t count)
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{
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unsigned long flags;
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__u8 newhead;
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if (count > HID_MAX_BUFFER_SIZE) {
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hid_warn(wdata->hdev, "Sending too large output report\n");
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spin_lock_irqsave(&wdata->queue.lock, flags);
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goto out_error;
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}
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/*
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* Copy new request into our output queue and check whether the
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* queue is full. If it is full, discard this request.
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* If it is empty we need to start a new worker that will
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* send out the buffer to the hid device.
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* If the queue is not empty, then there must be a worker
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* that is currently sending out our buffer and this worker
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* will reschedule itself until the queue is empty.
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*/
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spin_lock_irqsave(&wdata->queue.lock, flags);
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memcpy(wdata->queue.outq[wdata->queue.head].data, buffer, count);
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wdata->queue.outq[wdata->queue.head].size = count;
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newhead = (wdata->queue.head + 1) % WIIMOTE_BUFSIZE;
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if (wdata->queue.head == wdata->queue.tail) {
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wdata->queue.head = newhead;
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schedule_work(&wdata->queue.worker);
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} else if (newhead != wdata->queue.tail) {
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wdata->queue.head = newhead;
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} else {
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hid_warn(wdata->hdev, "Output queue is full");
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goto out_error;
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}
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goto out_unlock;
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out_error:
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wiimote_cmd_abort(wdata);
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out_unlock:
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spin_unlock_irqrestore(&wdata->queue.lock, flags);
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}
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/*
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* This sets the rumble bit on the given output report if rumble is
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* currently enabled.
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* \cmd1 must point to the second byte in the output report => &cmd[1]
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* This must be called on nearly every output report before passing it
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* into the output queue!
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*/
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static inline void wiiproto_keep_rumble(struct wiimote_data *wdata, __u8 *cmd1)
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{
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if (wdata->state.flags & WIIPROTO_FLAG_RUMBLE)
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*cmd1 |= 0x01;
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}
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void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble)
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{
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__u8 cmd[2];
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rumble = !!rumble;
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if (rumble == !!(wdata->state.flags & WIIPROTO_FLAG_RUMBLE))
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return;
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if (rumble)
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wdata->state.flags |= WIIPROTO_FLAG_RUMBLE;
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else
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wdata->state.flags &= ~WIIPROTO_FLAG_RUMBLE;
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cmd[0] = WIIPROTO_REQ_RUMBLE;
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cmd[1] = 0;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
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{
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__u8 cmd[2];
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leds &= WIIPROTO_FLAGS_LEDS;
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if ((wdata->state.flags & WIIPROTO_FLAGS_LEDS) == leds)
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return;
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wdata->state.flags = (wdata->state.flags & ~WIIPROTO_FLAGS_LEDS) | leds;
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cmd[0] = WIIPROTO_REQ_LED;
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cmd[1] = 0;
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if (leds & WIIPROTO_FLAG_LED1)
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cmd[1] |= 0x10;
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if (leds & WIIPROTO_FLAG_LED2)
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cmd[1] |= 0x20;
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if (leds & WIIPROTO_FLAG_LED3)
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cmd[1] |= 0x40;
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if (leds & WIIPROTO_FLAG_LED4)
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cmd[1] |= 0x80;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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/*
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* Check what peripherals of the wiimote are currently
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* active and select a proper DRM that supports all of
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* the requested data inputs.
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*
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* Not all combinations are actually supported. The following
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* combinations work only with limitations:
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* - IR cam in extended or full mode disables any data transmission
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* of extension controllers. There is no DRM mode that supports
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* extension bytes plus extended/full IR.
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* - IR cam with accelerometer and extension *_EXT8 is not supported.
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* However, all extensions that need *_EXT8 are devices that don't
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* support IR cameras. Hence, this shouldn't happen under normal
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* operation.
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* - *_EXT16 is only supported in combination with buttons and
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* accelerometer. No IR or similar can be active simultaneously. As
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* above, all modules that require it are mutually exclusive with
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* IR/etc. so this doesn't matter.
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*/
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static __u8 select_drm(struct wiimote_data *wdata)
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{
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__u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR;
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bool ext;
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ext = (wdata->state.flags & WIIPROTO_FLAG_EXT_USED) ||
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(wdata->state.flags & WIIPROTO_FLAG_MP_USED);
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/* some 3rd-party balance-boards are hard-coded to KEE, *sigh* */
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if (wdata->state.devtype == WIIMOTE_DEV_BALANCE_BOARD) {
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if (ext)
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return WIIPROTO_REQ_DRM_KEE;
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else
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return WIIPROTO_REQ_DRM_K;
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}
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if (ir == WIIPROTO_FLAG_IR_BASIC) {
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if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) {
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/* GEN10 and ealier devices bind IR formats to DRMs.
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* Hence, we cannot use DRM_KAI here as it might be
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* bound to IR_EXT. Use DRM_KAIE unconditionally so we
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* work with all devices and our parsers can use the
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* fixed formats, too. */
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return WIIPROTO_REQ_DRM_KAIE;
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} else {
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return WIIPROTO_REQ_DRM_KIE;
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}
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} else if (ir == WIIPROTO_FLAG_IR_EXT) {
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return WIIPROTO_REQ_DRM_KAI;
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} else if (ir == WIIPROTO_FLAG_IR_FULL) {
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return WIIPROTO_REQ_DRM_SKAI1;
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} else {
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if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) {
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if (ext)
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return WIIPROTO_REQ_DRM_KAE;
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else
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return WIIPROTO_REQ_DRM_KA;
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} else {
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if (ext)
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return WIIPROTO_REQ_DRM_KEE;
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else
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return WIIPROTO_REQ_DRM_K;
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}
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}
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}
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void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm)
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{
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__u8 cmd[3];
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if (wdata->state.flags & WIIPROTO_FLAG_DRM_LOCKED)
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drm = wdata->state.drm;
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else if (drm == WIIPROTO_REQ_NULL)
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drm = select_drm(wdata);
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cmd[0] = WIIPROTO_REQ_DRM;
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cmd[1] = 0;
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cmd[2] = drm;
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wdata->state.drm = drm;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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void wiiproto_req_status(struct wiimote_data *wdata)
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{
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__u8 cmd[2];
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cmd[0] = WIIPROTO_REQ_SREQ;
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cmd[1] = 0;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel)
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{
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accel = !!accel;
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if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL))
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return;
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if (accel)
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wdata->state.flags |= WIIPROTO_FLAG_ACCEL;
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else
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wdata->state.flags &= ~WIIPROTO_FLAG_ACCEL;
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wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
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}
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void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags)
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{
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__u8 cmd[2];
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cmd[0] = WIIPROTO_REQ_IR1;
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cmd[1] = flags;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags)
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{
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__u8 cmd[2];
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cmd[0] = WIIPROTO_REQ_IR2;
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cmd[1] = flags;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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#define wiiproto_req_wreg(wdata, os, buf, sz) \
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wiiproto_req_wmem((wdata), false, (os), (buf), (sz))
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#define wiiproto_req_weeprom(wdata, os, buf, sz) \
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wiiproto_req_wmem((wdata), true, (os), (buf), (sz))
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static void wiiproto_req_wmem(struct wiimote_data *wdata, bool eeprom,
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__u32 offset, const __u8 *buf, __u8 size)
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{
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__u8 cmd[22];
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if (size > 16 || size == 0) {
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hid_warn(wdata->hdev, "Invalid length %d wmem request\n", size);
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return;
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}
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memset(cmd, 0, sizeof(cmd));
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cmd[0] = WIIPROTO_REQ_WMEM;
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cmd[2] = (offset >> 16) & 0xff;
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cmd[3] = (offset >> 8) & 0xff;
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cmd[4] = offset & 0xff;
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cmd[5] = size;
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memcpy(&cmd[6], buf, size);
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if (!eeprom)
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cmd[1] |= 0x04;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom, __u32 offset,
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__u16 size)
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{
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__u8 cmd[7];
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if (size == 0) {
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hid_warn(wdata->hdev, "Invalid length %d rmem request\n", size);
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return;
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}
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cmd[0] = WIIPROTO_REQ_RMEM;
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cmd[1] = 0;
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cmd[2] = (offset >> 16) & 0xff;
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cmd[3] = (offset >> 8) & 0xff;
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cmd[4] = offset & 0xff;
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cmd[5] = (size >> 8) & 0xff;
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cmd[6] = size & 0xff;
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if (!eeprom)
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cmd[1] |= 0x04;
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wiiproto_keep_rumble(wdata, &cmd[1]);
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wiimote_queue(wdata, cmd, sizeof(cmd));
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}
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/* requries the cmd-mutex to be held */
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int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset,
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const __u8 *wmem, __u8 size)
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{
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unsigned long flags;
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int ret;
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spin_lock_irqsave(&wdata->state.lock, flags);
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wiimote_cmd_set(wdata, WIIPROTO_REQ_WMEM, 0);
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wiiproto_req_wreg(wdata, offset, wmem, size);
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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ret = wiimote_cmd_wait(wdata);
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if (!ret && wdata->state.cmd_err)
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ret = -EIO;
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return ret;
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}
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/* requries the cmd-mutex to be held */
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ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset, __u8 *rmem,
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__u8 size)
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{
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unsigned long flags;
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ssize_t ret;
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spin_lock_irqsave(&wdata->state.lock, flags);
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wdata->state.cmd_read_size = size;
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wdata->state.cmd_read_buf = rmem;
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wiimote_cmd_set(wdata, WIIPROTO_REQ_RMEM, offset & 0xffff);
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wiiproto_req_rreg(wdata, offset, size);
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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ret = wiimote_cmd_wait(wdata);
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spin_lock_irqsave(&wdata->state.lock, flags);
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wdata->state.cmd_read_buf = NULL;
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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if (!ret) {
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if (wdata->state.cmd_read_size == 0)
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ret = -EIO;
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else
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ret = wdata->state.cmd_read_size;
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}
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return ret;
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}
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/* requires the cmd-mutex to be held */
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static int wiimote_cmd_init_ext(struct wiimote_data *wdata)
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{
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__u8 wmem;
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int ret;
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/* initialize extension */
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wmem = 0x55;
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ret = wiimote_cmd_write(wdata, 0xa400f0, &wmem, sizeof(wmem));
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if (ret)
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return ret;
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/* disable default encryption */
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wmem = 0x0;
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ret = wiimote_cmd_write(wdata, 0xa400fb, &wmem, sizeof(wmem));
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if (ret)
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return ret;
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return 0;
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}
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/* requires the cmd-mutex to be held */
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static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
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{
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int ret;
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/* read extension ID */
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ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6);
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if (ret != 6)
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return WIIMOTE_EXT_NONE;
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hid_dbg(wdata->hdev, "extension ID: %6phC\n", rmem);
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if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
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rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
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return WIIMOTE_EXT_NONE;
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if (rmem[4] == 0x00 && rmem[5] == 0x00)
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return WIIMOTE_EXT_NUNCHUK;
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if (rmem[4] == 0x01 && rmem[5] == 0x01)
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return WIIMOTE_EXT_CLASSIC_CONTROLLER;
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if (rmem[4] == 0x04 && rmem[5] == 0x02)
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return WIIMOTE_EXT_BALANCE_BOARD;
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if (rmem[4] == 0x01 && rmem[5] == 0x20)
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return WIIMOTE_EXT_PRO_CONTROLLER;
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return WIIMOTE_EXT_UNKNOWN;
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}
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/* requires the cmd-mutex to be held */
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static int wiimote_cmd_init_mp(struct wiimote_data *wdata)
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{
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__u8 wmem;
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int ret;
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/* initialize MP */
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wmem = 0x55;
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ret = wiimote_cmd_write(wdata, 0xa600f0, &wmem, sizeof(wmem));
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if (ret)
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return ret;
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/* disable default encryption */
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wmem = 0x0;
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ret = wiimote_cmd_write(wdata, 0xa600fb, &wmem, sizeof(wmem));
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if (ret)
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return ret;
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return 0;
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}
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/* requires the cmd-mutex to be held */
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static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
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{
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__u8 wmem;
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|
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/* map MP with correct pass-through mode */
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switch (exttype) {
|
|
case WIIMOTE_EXT_CLASSIC_CONTROLLER:
|
|
wmem = 0x07;
|
|
break;
|
|
case WIIMOTE_EXT_NUNCHUK:
|
|
wmem = 0x05;
|
|
break;
|
|
default:
|
|
wmem = 0x04;
|
|
break;
|
|
}
|
|
|
|
return wiimote_cmd_write(wdata, 0xa600fe, &wmem, sizeof(wmem));
|
|
}
|
|
|
|
/* requires the cmd-mutex to be held */
|
|
static bool wiimote_cmd_read_mp(struct wiimote_data *wdata, __u8 *rmem)
|
|
{
|
|
int ret;
|
|
|
|
/* read motion plus ID */
|
|
ret = wiimote_cmd_read(wdata, 0xa600fa, rmem, 6);
|
|
if (ret != 6)
|
|
return false;
|
|
|
|
hid_dbg(wdata->hdev, "motion plus ID: %6phC\n", rmem);
|
|
|
|
if (rmem[5] == 0x05)
|
|
return true;
|
|
|
|
hid_info(wdata->hdev, "unknown motion plus ID: %6phC\n", rmem);
|
|
|
|
return false;
|
|
}
|
|
|
|
/* requires the cmd-mutex to be held */
|
|
static __u8 wiimote_cmd_read_mp_mapped(struct wiimote_data *wdata)
|
|
{
|
|
int ret;
|
|
__u8 rmem[6];
|
|
|
|
/* read motion plus ID */
|
|
ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6);
|
|
if (ret != 6)
|
|
return WIIMOTE_MP_NONE;
|
|
|
|
hid_dbg(wdata->hdev, "mapped motion plus ID: %6phC\n", rmem);
|
|
|
|
if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
|
|
rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
|
|
return WIIMOTE_MP_NONE;
|
|
|
|
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;
|
|
|
|
return WIIMOTE_MP_UNKNOWN;
|
|
}
|
|
|
|
/* device module handling */
|
|
|
|
static const __u8 * const wiimote_devtype_mods[WIIMOTE_DEV_NUM] = {
|
|
[WIIMOTE_DEV_PENDING] = (const __u8[]){
|
|
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,
|
|
},
|
|
};
|
|
|
|
static void wiimote_modules_load(struct wiimote_data *wdata,
|
|
unsigned int devtype)
|
|
{
|
|
bool need_input = false;
|
|
const __u8 *mods, *iter;
|
|
const struct wiimod_ops *ops;
|
|
int ret;
|
|
|
|
mods = wiimote_devtype_mods[devtype];
|
|
|
|
for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
|
|
if (wiimod_table[*iter]->flags & WIIMOD_FLAG_INPUT) {
|
|
need_input = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (need_input) {
|
|
wdata->input = input_allocate_device();
|
|
if (!wdata->input)
|
|
return;
|
|
|
|
input_set_drvdata(wdata->input, wdata);
|
|
wdata->input->dev.parent = &wdata->hdev->dev;
|
|
wdata->input->id.bustype = wdata->hdev->bus;
|
|
wdata->input->id.vendor = wdata->hdev->vendor;
|
|
wdata->input->id.product = wdata->hdev->product;
|
|
wdata->input->id.version = wdata->hdev->version;
|
|
wdata->input->name = WIIMOTE_NAME;
|
|
}
|
|
|
|
for (iter = mods; *iter != WIIMOD_NULL; ++iter) {
|
|
ops = wiimod_table[*iter];
|
|
if (!ops->probe)
|
|
continue;
|
|
|
|
ret = ops->probe(ops, wdata);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
if (wdata->input) {
|
|
ret = input_register_device(wdata->input);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
spin_lock_irq(&wdata->state.lock);
|
|
wdata->state.devtype = devtype;
|
|
spin_unlock_irq(&wdata->state.lock);
|
|
return;
|
|
|
|
error:
|
|
for ( ; iter-- != mods; ) {
|
|
ops = wiimod_table[*iter];
|
|
if (ops->remove)
|
|
ops->remove(ops, wdata);
|
|
}
|
|
|
|
if (wdata->input) {
|
|
input_free_device(wdata->input);
|
|
wdata->input = NULL;
|
|
}
|
|
}
|
|
|
|
static void wiimote_modules_unload(struct wiimote_data *wdata)
|
|
{
|
|
const __u8 *mods, *iter;
|
|
const struct wiimod_ops *ops;
|
|
unsigned long flags;
|
|
|
|
mods = wiimote_devtype_mods[wdata->state.devtype];
|
|
|
|
spin_lock_irqsave(&wdata->state.lock, flags);
|
|
wdata->state.devtype = WIIMOTE_DEV_UNKNOWN;
|
|
spin_unlock_irqrestore(&wdata->state.lock, flags);
|
|
|
|
/* find end of list */
|
|
for (iter = mods; *iter != WIIMOD_NULL; ++iter)
|
|
/* empty */ ;
|
|
|
|
if (wdata->input) {
|
|
input_get_device(wdata->input);
|
|
input_unregister_device(wdata->input);
|
|
}
|
|
|
|
for ( ; iter-- != mods; ) {
|
|
ops = wiimod_table[*iter];
|
|
if (ops->remove)
|
|
ops->remove(ops, wdata);
|
|
}
|
|
|
|
if (wdata->input) {
|
|
input_put_device(wdata->input);
|
|
wdata->input = 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_PENDING] = "Pending",
|
|
[WIIMOTE_DEV_UNKNOWN] = "Unknown",
|
|
[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
|
|
* first try to detect by static extension types, then VID/PID and the
|
|
* device name. If we cannot detect the device, we use
|
|
* WIIMOTE_DEV_GENERIC so all modules will get probed on the device. */
|
|
static void wiimote_init_set_type(struct wiimote_data *wdata,
|
|
__u8 exttype)
|
|
{
|
|
__u8 devtype = WIIMOTE_DEV_GENERIC;
|
|
__u16 vendor, product;
|
|
const char *name;
|
|
|
|
vendor = wdata->hdev->vendor;
|
|
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) {
|
|
if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE) {
|
|
devtype = WIIMOTE_DEV_GEN10;
|
|
goto done;
|
|
} else if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE2) {
|
|
devtype = WIIMOTE_DEV_GEN20;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (devtype == WIIMOTE_DEV_GENERIC)
|
|
hid_info(wdata->hdev, "cannot detect device; NAME: %s VID: %04x PID: %04x EXT: %04x\n",
|
|
name, vendor, product, exttype);
|
|
else
|
|
hid_info(wdata->hdev, "detected device: %s\n",
|
|
wiimote_devtype_names[devtype]);
|
|
|
|
wiimote_modules_load(wdata, devtype);
|
|
}
|
|
|
|
static void wiimote_init_detect(struct wiimote_data *wdata)
|
|
{
|
|
__u8 exttype = WIIMOTE_EXT_NONE, extdata[6];
|
|
bool ext;
|
|
int ret;
|
|
|
|
wiimote_cmd_acquire_noint(wdata);
|
|
|
|
spin_lock_irq(&wdata->state.lock);
|
|
wdata->state.devtype = WIIMOTE_DEV_UNKNOWN;
|
|
wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0);
|
|
wiiproto_req_status(wdata);
|
|
spin_unlock_irq(&wdata->state.lock);
|
|
|
|
ret = wiimote_cmd_wait_noint(wdata);
|
|
if (ret)
|
|
goto out_release;
|
|
|
|
spin_lock_irq(&wdata->state.lock);
|
|
ext = wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED;
|
|
spin_unlock_irq(&wdata->state.lock);
|
|
|
|
if (!ext)
|
|
goto out_release;
|
|
|
|
wiimote_cmd_init_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; %6phC\n",
|
|
extdata);
|
|
} 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) {
|
|
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 */
|
|
|
|
static void handler_keys(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
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];
|
|
if (ops->in_keys) {
|
|
ops->in_keys(wdata, payload);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void handler_accel(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
const __u8 *iter, *mods;
|
|
const struct wiimod_ops *ops;
|
|
|
|
ops = wiimod_ext_table[wdata->state.exttype];
|
|
if (ops->in_accel) {
|
|
ops->in_accel(wdata, payload);
|
|
return;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
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 handler_ext(struct wiimote_data *wdata, const __u8 *payload,
|
|
size_t len)
|
|
{
|
|
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 (len > 21)
|
|
len = 21;
|
|
if (len < 6 || !memcmp(payload, invalid, len))
|
|
return;
|
|
|
|
/* 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 (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 {
|
|
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;
|
|
}
|
|
|
|
/* 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 */
|
|
static void handler_status_K(struct wiimote_data *wdata,
|
|
const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
|
|
/* on status reports the drm is reset so we need to resend the drm */
|
|
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
|
|
}
|
|
|
|
/* extended status report with "BB BB LF 00 00 VV" data */
|
|
static void handler_status(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_status_K(wdata, payload);
|
|
|
|
/* update extension status */
|
|
if (payload[2] & 0x02) {
|
|
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 {
|
|
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];
|
|
if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_SREQ, 0))
|
|
wiimote_cmd_complete(wdata);
|
|
}
|
|
|
|
/* reduced generic report with "BB BB" key data only */
|
|
static void handler_generic_K(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
}
|
|
|
|
static void handler_data(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
__u16 offset = payload[3] << 8 | payload[4];
|
|
__u8 size = (payload[2] >> 4) + 1;
|
|
__u8 err = payload[2] & 0x0f;
|
|
|
|
handler_keys(wdata, payload);
|
|
|
|
if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_RMEM, offset)) {
|
|
if (err)
|
|
size = 0;
|
|
else if (size > wdata->state.cmd_read_size)
|
|
size = wdata->state.cmd_read_size;
|
|
|
|
wdata->state.cmd_read_size = size;
|
|
if (wdata->state.cmd_read_buf)
|
|
memcpy(wdata->state.cmd_read_buf, &payload[5], size);
|
|
wiimote_cmd_complete(wdata);
|
|
}
|
|
}
|
|
|
|
static void handler_return(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
__u8 err = payload[3];
|
|
__u8 cmd = payload[2];
|
|
|
|
handler_keys(wdata, payload);
|
|
|
|
if (wiimote_cmd_pending(wdata, cmd, 0)) {
|
|
wdata->state.cmd_err = err;
|
|
wiimote_cmd_complete(wdata);
|
|
} else if (err) {
|
|
hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err,
|
|
cmd);
|
|
}
|
|
}
|
|
|
|
static void handler_drm_KA(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
handler_accel(wdata, payload);
|
|
}
|
|
|
|
static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
handler_ext(wdata, &payload[2], 8);
|
|
}
|
|
|
|
static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
handler_accel(wdata, payload);
|
|
ir_to_input0(wdata, &payload[5], false);
|
|
ir_to_input1(wdata, &payload[8], false);
|
|
ir_to_input2(wdata, &payload[11], false);
|
|
ir_to_input3(wdata, &payload[14], false);
|
|
}
|
|
|
|
static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
handler_ext(wdata, &payload[2], 19);
|
|
}
|
|
|
|
static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
ir_to_input0(wdata, &payload[2], false);
|
|
ir_to_input1(wdata, &payload[4], true);
|
|
ir_to_input2(wdata, &payload[7], false);
|
|
ir_to_input3(wdata, &payload[9], true);
|
|
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);
|
|
handler_ext(wdata, &payload[5], 16);
|
|
}
|
|
|
|
static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
handler_accel(wdata, payload);
|
|
ir_to_input0(wdata, &payload[5], false);
|
|
ir_to_input1(wdata, &payload[7], true);
|
|
ir_to_input2(wdata, &payload[10], false);
|
|
ir_to_input3(wdata, &payload[12], true);
|
|
handler_ext(wdata, &payload[15], 6);
|
|
}
|
|
|
|
static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_ext(wdata, payload, 21);
|
|
}
|
|
|
|
static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
handler_keys(wdata, payload);
|
|
|
|
wdata->state.accel_split[0] = payload[2];
|
|
wdata->state.accel_split[1] = (payload[0] >> 1) & (0x10 | 0x20);
|
|
wdata->state.accel_split[1] |= (payload[1] << 1) & (0x40 | 0x80);
|
|
|
|
ir_to_input0(wdata, &payload[3], false);
|
|
ir_to_input1(wdata, &payload[12], false);
|
|
}
|
|
|
|
static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload)
|
|
{
|
|
__u8 buf[5];
|
|
|
|
handler_keys(wdata, payload);
|
|
|
|
wdata->state.accel_split[1] |= (payload[0] >> 5) & (0x01 | 0x02);
|
|
wdata->state.accel_split[1] |= (payload[1] >> 3) & (0x04 | 0x08);
|
|
|
|
buf[0] = 0;
|
|
buf[1] = 0;
|
|
buf[2] = wdata->state.accel_split[0];
|
|
buf[3] = payload[2];
|
|
buf[4] = wdata->state.accel_split[1];
|
|
handler_accel(wdata, buf);
|
|
|
|
ir_to_input2(wdata, &payload[3], false);
|
|
ir_to_input3(wdata, &payload[12], false);
|
|
}
|
|
|
|
struct wiiproto_handler {
|
|
__u8 id;
|
|
size_t size;
|
|
void (*func)(struct wiimote_data *wdata, const __u8 *payload);
|
|
};
|
|
|
|
static struct wiiproto_handler handlers[] = {
|
|
{ .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status },
|
|
{ .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K },
|
|
{ .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data },
|
|
{ .id = WIIPROTO_REQ_DATA, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return },
|
|
{ .id = WIIPROTO_REQ_RETURN, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys },
|
|
{ .id = WIIPROTO_REQ_DRM_KA, .size = 5, .func = handler_drm_KA },
|
|
{ .id = WIIPROTO_REQ_DRM_KA, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KE, .size = 10, .func = handler_drm_KE },
|
|
{ .id = WIIPROTO_REQ_DRM_KE, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KAI, .size = 17, .func = handler_drm_KAI },
|
|
{ .id = WIIPROTO_REQ_DRM_KAI, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KEE, .size = 21, .func = handler_drm_KEE },
|
|
{ .id = WIIPROTO_REQ_DRM_KEE, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KAE, .size = 21, .func = handler_drm_KAE },
|
|
{ .id = WIIPROTO_REQ_DRM_KAE, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KIE, .size = 21, .func = handler_drm_KIE },
|
|
{ .id = WIIPROTO_REQ_DRM_KIE, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_KAIE, .size = 21, .func = handler_drm_KAIE },
|
|
{ .id = WIIPROTO_REQ_DRM_KAIE, .size = 2, .func = handler_generic_K },
|
|
{ .id = WIIPROTO_REQ_DRM_E, .size = 21, .func = handler_drm_E },
|
|
{ .id = WIIPROTO_REQ_DRM_SKAI1, .size = 21, .func = handler_drm_SKAI1 },
|
|
{ .id = WIIPROTO_REQ_DRM_SKAI2, .size = 21, .func = handler_drm_SKAI2 },
|
|
{ .id = 0 }
|
|
};
|
|
|
|
static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
|
|
u8 *raw_data, int size)
|
|
{
|
|
struct wiimote_data *wdata = hid_get_drvdata(hdev);
|
|
struct wiiproto_handler *h;
|
|
int i;
|
|
unsigned long flags;
|
|
|
|
if (size < 1)
|
|
return -EINVAL;
|
|
|
|
spin_lock_irqsave(&wdata->state.lock, flags);
|
|
|
|
for (i = 0; handlers[i].id; ++i) {
|
|
h = &handlers[i];
|
|
if (h->id == raw_data[0] && h->size < size) {
|
|
h->func(wdata, &raw_data[1]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handlers[i].id)
|
|
hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0],
|
|
size);
|
|
|
|
spin_unlock_irqrestore(&wdata->state.lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t wiimote_ext_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.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 ssize_t wiimote_ext_store(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct wiimote_data *wdata = dev_to_wii(dev);
|
|
|
|
if (!strcmp(buf, "scan")) {
|
|
wiimote_schedule(wdata);
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
|
|
return strnlen(buf, PAGE_SIZE);
|
|
}
|
|
|
|
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 = kzalloc(sizeof(*wdata), GFP_KERNEL);
|
|
if (!wdata)
|
|
return NULL;
|
|
|
|
wdata->hdev = hdev;
|
|
hid_set_drvdata(hdev, wdata);
|
|
|
|
spin_lock_init(&wdata->queue.lock);
|
|
INIT_WORK(&wdata->queue.worker, wiimote_queue_worker);
|
|
|
|
spin_lock_init(&wdata->state.lock);
|
|
init_completion(&wdata->state.ready);
|
|
mutex_init(&wdata->state.sync);
|
|
wdata->state.drm = WIIPROTO_REQ_DRM_K;
|
|
wdata->state.cmd_battery = 0xff;
|
|
|
|
INIT_WORK(&wdata->init_worker, wiimote_init_worker);
|
|
setup_timer(&wdata->timer, wiimote_init_timeout, (long)wdata);
|
|
|
|
return wdata;
|
|
}
|
|
|
|
static void wiimote_destroy(struct wiimote_data *wdata)
|
|
{
|
|
unsigned long flags;
|
|
|
|
wiidebug_deinit(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);
|
|
cancel_work_sync(&wdata->queue.worker);
|
|
hid_hw_close(wdata->hdev);
|
|
hid_hw_stop(wdata->hdev);
|
|
|
|
kfree(wdata);
|
|
}
|
|
|
|
static int wiimote_hid_probe(struct hid_device *hdev,
|
|
const struct hid_device_id *id)
|
|
{
|
|
struct wiimote_data *wdata;
|
|
int ret;
|
|
|
|
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
|
|
|
|
wdata = wiimote_create(hdev);
|
|
if (!wdata) {
|
|
hid_err(hdev, "Can't alloc device\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = hid_parse(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "HID parse failed\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
|
|
if (ret) {
|
|
hid_err(hdev, "HW start failed\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = hid_hw_open(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "cannot start hardware I/O\n");
|
|
goto err_stop;
|
|
}
|
|
|
|
ret = device_create_file(&hdev->dev, &dev_attr_extension);
|
|
if (ret) {
|
|
hid_err(hdev, "cannot create sysfs attribute\n");
|
|
goto err_close;
|
|
}
|
|
|
|
ret = device_create_file(&hdev->dev, &dev_attr_devtype);
|
|
if (ret) {
|
|
hid_err(hdev, "cannot create sysfs attribute\n");
|
|
goto err_ext;
|
|
}
|
|
|
|
ret = wiidebug_init(wdata);
|
|
if (ret)
|
|
goto err_free;
|
|
|
|
hid_info(hdev, "New device registered\n");
|
|
|
|
/* schedule device detection */
|
|
wiimote_schedule(wdata);
|
|
|
|
return 0;
|
|
|
|
err_free:
|
|
wiimote_destroy(wdata);
|
|
return ret;
|
|
|
|
err_ext:
|
|
device_remove_file(&wdata->hdev->dev, &dev_attr_extension);
|
|
err_close:
|
|
hid_hw_close(hdev);
|
|
err_stop:
|
|
hid_hw_stop(hdev);
|
|
err:
|
|
input_free_device(wdata->ir);
|
|
input_free_device(wdata->accel);
|
|
kfree(wdata);
|
|
return ret;
|
|
}
|
|
|
|
static void wiimote_hid_remove(struct hid_device *hdev)
|
|
{
|
|
struct wiimote_data *wdata = hid_get_drvdata(hdev);
|
|
|
|
hid_info(hdev, "Device removed\n");
|
|
wiimote_destroy(wdata);
|
|
}
|
|
|
|
static const struct hid_device_id wiimote_hid_devices[] = {
|
|
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
|
|
USB_DEVICE_ID_NINTENDO_WIIMOTE) },
|
|
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
|
|
USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, wiimote_hid_devices);
|
|
|
|
static struct hid_driver wiimote_hid_driver = {
|
|
.name = "wiimote",
|
|
.id_table = wiimote_hid_devices,
|
|
.probe = wiimote_hid_probe,
|
|
.remove = wiimote_hid_remove,
|
|
.raw_event = wiimote_hid_event,
|
|
};
|
|
module_hid_driver(wiimote_hid_driver);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>");
|
|
MODULE_DESCRIPTION("Driver for Nintendo Wii / Wii U peripherals");
|