media: cec: move the core to a separate directory

In preparation for moving CEC drivers to the CEC directory,
move the core to a separate place.

Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

1 files changed, 0 insertions, 2199 deletions

diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
deleted file mode 100644
index 6c95dc471d4c..000000000000
--- a/drivers/media/cec/cec-adap.c
+++ /dev/null
@@ -1,2199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * cec-adap.c - HDMI Consumer Electronics Control framework - CEC adapter
- *
- * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/kmod.h>
-#include <linux/ktime.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/types.h>
-
-#include <drm/drm_connector.h>
-#include <drm/drm_device.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_file.h>
-
-#include "cec-priv.h"
-
-static void cec_fill_msg_report_features(struct cec_adapter *adap,
-					 struct cec_msg *msg,
-					 unsigned int la_idx);
-
-/*
- * 400 ms is the time it takes for one 16 byte message to be
- * transferred and 5 is the maximum number of retries. Add
- * another 100 ms as a margin. So if the transmit doesn't
- * finish before that time something is really wrong and we
- * have to time out.
- *
- * This is a sign that something it really wrong and a warning
- * will be issued.
- */
-#define CEC_XFER_TIMEOUT_MS (5 * 400 + 100)
-
-#define call_op(adap, op, arg...) \
-	(adap->ops->op ? adap->ops->op(adap, ## arg) : 0)
-
-#define call_void_op(adap, op, arg...)			\
-	do {						\
-		if (adap->ops->op)			\
-			adap->ops->op(adap, ## arg);	\
-	} while (0)
-
-static int cec_log_addr2idx(const struct cec_adapter *adap, u8 log_addr)
-{
-	int i;
-
-	for (i = 0; i < adap->log_addrs.num_log_addrs; i++)
-		if (adap->log_addrs.log_addr[i] == log_addr)
-			return i;
-	return -1;
-}
-
-static unsigned int cec_log_addr2dev(const struct cec_adapter *adap, u8 log_addr)
-{
-	int i = cec_log_addr2idx(adap, log_addr);
-
-	return adap->log_addrs.primary_device_type[i < 0 ? 0 : i];
-}
-
-u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size,
-			   unsigned int *offset)
-{
-	unsigned int loc = cec_get_edid_spa_location(edid, size);
-
-	if (offset)
-		*offset = loc;
-	if (loc == 0)
-		return CEC_PHYS_ADDR_INVALID;
-	return (edid[loc] << 8) | edid[loc + 1];
-}
-EXPORT_SYMBOL_GPL(cec_get_edid_phys_addr);
-
-void cec_fill_conn_info_from_drm(struct cec_connector_info *conn_info,
-				 const struct drm_connector *connector)
-{
-	memset(conn_info, 0, sizeof(*conn_info));
-	conn_info->type = CEC_CONNECTOR_TYPE_DRM;
-	conn_info->drm.card_no = connector->dev->primary->index;
-	conn_info->drm.connector_id = connector->base.id;
-}
-EXPORT_SYMBOL_GPL(cec_fill_conn_info_from_drm);
-
-/*
- * Queue a new event for this filehandle. If ts == 0, then set it
- * to the current time.
- *
- * We keep a queue of at most max_event events where max_event differs
- * per event. If the queue becomes full, then drop the oldest event and
- * keep track of how many events we've dropped.
- */
-void cec_queue_event_fh(struct cec_fh *fh,
-			const struct cec_event *new_ev, u64 ts)
-{
-	static const u16 max_events[CEC_NUM_EVENTS] = {
-		1, 1, 800, 800, 8, 8, 8, 8
-	};
-	struct cec_event_entry *entry;
-	unsigned int ev_idx = new_ev->event - 1;
-
-	if (WARN_ON(ev_idx >= ARRAY_SIZE(fh->events)))
-		return;
-
-	if (ts == 0)
-		ts = ktime_get_ns();
-
-	mutex_lock(&fh->lock);
-	if (ev_idx < CEC_NUM_CORE_EVENTS)
-		entry = &fh->core_events[ev_idx];
-	else
-		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
-	if (entry) {
-		if (new_ev->event == CEC_EVENT_LOST_MSGS &&
-		    fh->queued_events[ev_idx]) {
-			entry->ev.lost_msgs.lost_msgs +=
-				new_ev->lost_msgs.lost_msgs;
-			goto unlock;
-		}
-		entry->ev = *new_ev;
-		entry->ev.ts = ts;
-
-		if (fh->queued_events[ev_idx] < max_events[ev_idx]) {
-			/* Add new msg at the end of the queue */
-			list_add_tail(&entry->list, &fh->events[ev_idx]);
-			fh->queued_events[ev_idx]++;
-			fh->total_queued_events++;
-			goto unlock;
-		}
-
-		if (ev_idx >= CEC_NUM_CORE_EVENTS) {
-			list_add_tail(&entry->list, &fh->events[ev_idx]);
-			/* drop the oldest event */
-			entry = list_first_entry(&fh->events[ev_idx],
-						 struct cec_event_entry, list);
-			list_del(&entry->list);
-			kfree(entry);
-		}
-	}
-	/* Mark that events were lost */
-	entry = list_first_entry_or_null(&fh->events[ev_idx],
-					 struct cec_event_entry, list);
-	if (entry)
-		entry->ev.flags |= CEC_EVENT_FL_DROPPED_EVENTS;
-
-unlock:
-	mutex_unlock(&fh->lock);
-	wake_up_interruptible(&fh->wait);
-}
-
-/* Queue a new event for all open filehandles. */
-static void cec_queue_event(struct cec_adapter *adap,
-			    const struct cec_event *ev)
-{
-	u64 ts = ktime_get_ns();
-	struct cec_fh *fh;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list)
-		cec_queue_event_fh(fh, ev, ts);
-	mutex_unlock(&adap->devnode.lock);
-}
-
-/* Notify userspace that the CEC pin changed state at the given time. */
-void cec_queue_pin_cec_event(struct cec_adapter *adap, bool is_high,
-			     bool dropped_events, ktime_t ts)
-{
-	struct cec_event ev = {
-		.event = is_high ? CEC_EVENT_PIN_CEC_HIGH :
-				   CEC_EVENT_PIN_CEC_LOW,
-		.flags = dropped_events ? CEC_EVENT_FL_DROPPED_EVENTS : 0,
-	};
-	struct cec_fh *fh;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list)
-		if (fh->mode_follower == CEC_MODE_MONITOR_PIN)
-			cec_queue_event_fh(fh, &ev, ktime_to_ns(ts));
-	mutex_unlock(&adap->devnode.lock);
-}
-EXPORT_SYMBOL_GPL(cec_queue_pin_cec_event);
-
-/* Notify userspace that the HPD pin changed state at the given time. */
-void cec_queue_pin_hpd_event(struct cec_adapter *adap, bool is_high, ktime_t ts)
-{
-	struct cec_event ev = {
-		.event = is_high ? CEC_EVENT_PIN_HPD_HIGH :
-				   CEC_EVENT_PIN_HPD_LOW,
-	};
-	struct cec_fh *fh;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list)
-		cec_queue_event_fh(fh, &ev, ktime_to_ns(ts));
-	mutex_unlock(&adap->devnode.lock);
-}
-EXPORT_SYMBOL_GPL(cec_queue_pin_hpd_event);
-
-/* Notify userspace that the 5V pin changed state at the given time. */
-void cec_queue_pin_5v_event(struct cec_adapter *adap, bool is_high, ktime_t ts)
-{
-	struct cec_event ev = {
-		.event = is_high ? CEC_EVENT_PIN_5V_HIGH :
-				   CEC_EVENT_PIN_5V_LOW,
-	};
-	struct cec_fh *fh;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list)
-		cec_queue_event_fh(fh, &ev, ktime_to_ns(ts));
-	mutex_unlock(&adap->devnode.lock);
-}
-EXPORT_SYMBOL_GPL(cec_queue_pin_5v_event);
-
-/*
- * Queue a new message for this filehandle.
- *
- * We keep a queue of at most CEC_MAX_MSG_RX_QUEUE_SZ messages. If the
- * queue becomes full, then drop the oldest message and keep track
- * of how many messages we've dropped.
- */
-static void cec_queue_msg_fh(struct cec_fh *fh, const struct cec_msg *msg)
-{
-	static const struct cec_event ev_lost_msgs = {
-		.event = CEC_EVENT_LOST_MSGS,
-		.flags = 0,
-		{
-			.lost_msgs = { 1 },
-		},
-	};
-	struct cec_msg_entry *entry;
-
-	mutex_lock(&fh->lock);
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
-	if (entry) {
-		entry->msg = *msg;
-		/* Add new msg at the end of the queue */
-		list_add_tail(&entry->list, &fh->msgs);
-
-		if (fh->queued_msgs < CEC_MAX_MSG_RX_QUEUE_SZ) {
-			/* All is fine if there is enough room */
-			fh->queued_msgs++;
-			mutex_unlock(&fh->lock);
-			wake_up_interruptible(&fh->wait);
-			return;
-		}
-
-		/*
-		 * if the message queue is full, then drop the oldest one and
-		 * send a lost message event.
-		 */
-		entry = list_first_entry(&fh->msgs, struct cec_msg_entry, list);
-		list_del(&entry->list);
-		kfree(entry);
-	}
-	mutex_unlock(&fh->lock);
-
-	/*
-	 * We lost a message, either because kmalloc failed or the queue
-	 * was full.
-	 */
-	cec_queue_event_fh(fh, &ev_lost_msgs, ktime_get_ns());
-}
-
-/*
- * Queue the message for those filehandles that are in monitor mode.
- * If valid_la is true (this message is for us or was sent by us),
- * then pass it on to any monitoring filehandle. If this message
- * isn't for us or from us, then only give it to filehandles that
- * are in MONITOR_ALL mode.
- *
- * This can only happen if the CEC_CAP_MONITOR_ALL capability is
- * set and the CEC adapter was placed in 'monitor all' mode.
- */
-static void cec_queue_msg_monitor(struct cec_adapter *adap,
-				  const struct cec_msg *msg,
-				  bool valid_la)
-{
-	struct cec_fh *fh;
-	u32 monitor_mode = valid_la ? CEC_MODE_MONITOR :
-				      CEC_MODE_MONITOR_ALL;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list) {
-		if (fh->mode_follower >= monitor_mode)
-			cec_queue_msg_fh(fh, msg);
-	}
-	mutex_unlock(&adap->devnode.lock);
-}
-
-/*
- * Queue the message for follower filehandles.
- */
-static void cec_queue_msg_followers(struct cec_adapter *adap,
-				    const struct cec_msg *msg)
-{
-	struct cec_fh *fh;
-
-	mutex_lock(&adap->devnode.lock);
-	list_for_each_entry(fh, &adap->devnode.fhs, list) {
-		if (fh->mode_follower == CEC_MODE_FOLLOWER)
-			cec_queue_msg_fh(fh, msg);
-	}
-	mutex_unlock(&adap->devnode.lock);
-}
-
-/* Notify userspace of an adapter state change. */
-static void cec_post_state_event(struct cec_adapter *adap)
-{
-	struct cec_event ev = {
-		.event = CEC_EVENT_STATE_CHANGE,
-	};
-
-	ev.state_change.phys_addr = adap->phys_addr;
-	ev.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
-	ev.state_change.have_conn_info =
-		adap->conn_info.type != CEC_CONNECTOR_TYPE_NO_CONNECTOR;
-	cec_queue_event(adap, &ev);
-}
-
-/*
- * A CEC transmit (and a possible wait for reply) completed.
- * If this was in blocking mode, then complete it, otherwise
- * queue the message for userspace to dequeue later.
- *
- * This function is called with adap->lock held.
- */
-static void cec_data_completed(struct cec_data *data)
-{
-	/*
-	 * Delete this transmit from the filehandle's xfer_list since
-	 * we're done with it.
-	 *
-	 * Note that if the filehandle is closed before this transmit
-	 * finished, then the release() function will set data->fh to NULL.
-	 * Without that we would be referring to a closed filehandle.
-	 */
-	if (data->fh)
-		list_del(&data->xfer_list);
-
-	if (data->blocking) {
-		/*
-		 * Someone is blocking so mark the message as completed
-		 * and call complete.
-		 */
-		data->completed = true;
-		complete(&data->c);
-	} else {
-		/*
-		 * No blocking, so just queue the message if needed and
-		 * free the memory.
-		 */
-		if (data->fh)
-			cec_queue_msg_fh(data->fh, &data->msg);
-		kfree(data);
-	}
-}
-
-/*
- * A pending CEC transmit needs to be cancelled, either because the CEC
- * adapter is disabled or the transmit takes an impossibly long time to
- * finish.
- *
- * This function is called with adap->lock held.
- */
-static void cec_data_cancel(struct cec_data *data, u8 tx_status)
-{
-	/*
-	 * It's either the current transmit, or it is a pending
-	 * transmit. Take the appropriate action to clear it.
-	 */
-	if (data->adap->transmitting == data) {
-		data->adap->transmitting = NULL;
-	} else {
-		list_del_init(&data->list);
-		if (!(data->msg.tx_status & CEC_TX_STATUS_OK))
-			if (!WARN_ON(!data->adap->transmit_queue_sz))
-				data->adap->transmit_queue_sz--;
-	}
-
-	if (data->msg.tx_status & CEC_TX_STATUS_OK) {
-		data->msg.rx_ts = ktime_get_ns();
-		data->msg.rx_status = CEC_RX_STATUS_ABORTED;
-	} else {
-		data->msg.tx_ts = ktime_get_ns();
-		data->msg.tx_status |= tx_status |
-				       CEC_TX_STATUS_MAX_RETRIES;
-		data->msg.tx_error_cnt++;
-		data->attempts = 0;
-	}
-
-	/* Queue transmitted message for monitoring purposes */
-	cec_queue_msg_monitor(data->adap, &data->msg, 1);
-
-	cec_data_completed(data);
-}
-
-/*
- * Flush all pending transmits and cancel any pending timeout work.
- *
- * This function is called with adap->lock held.
- */
-static void cec_flush(struct cec_adapter *adap)
-{
-	struct cec_data *data, *n;
-
-	/*
-	 * If the adapter is disabled, or we're asked to stop,
-	 * then cancel any pending transmits.
-	 */
-	while (!list_empty(&adap->transmit_queue)) {
-		data = list_first_entry(&adap->transmit_queue,
-					struct cec_data, list);
-		cec_data_cancel(data, CEC_TX_STATUS_ABORTED);
-	}
-	if (adap->transmitting)
-		cec_data_cancel(adap->transmitting, CEC_TX_STATUS_ABORTED);
-
-	/* Cancel the pending timeout work. */
-	list_for_each_entry_safe(data, n, &adap->wait_queue, list) {
-		if (cancel_delayed_work(&data->work))
-			cec_data_cancel(data, CEC_TX_STATUS_OK);
-		/*
-		 * If cancel_delayed_work returned false, then
-		 * the cec_wait_timeout function is running,
-		 * which will call cec_data_completed. So no
-		 * need to do anything special in that case.
-		 */
-	}
-	/*
-	 * If something went wrong and this counter isn't what it should
-	 * be, then this will reset it back to 0. Warn if it is not 0,
-	 * since it indicates a bug, either in this framework or in a
-	 * CEC driver.
-	 */
-	if (WARN_ON(adap->transmit_queue_sz))
-		adap->transmit_queue_sz = 0;
-}
-
-/*
- * Main CEC state machine
- *
- * Wait until the thread should be stopped, or we are not transmitting and
- * a new transmit message is queued up, in which case we start transmitting
- * that message. When the adapter finished transmitting the message it will
- * call cec_transmit_done().
- *
- * If the adapter is disabled, then remove all queued messages instead.
- *
- * If the current transmit times out, then cancel that transmit.
- */
-int cec_thread_func(void *_adap)
-{
-	struct cec_adapter *adap = _adap;
-
-	for (;;) {
-		unsigned int signal_free_time;
-		struct cec_data *data;
-		bool timeout = false;
-		u8 attempts;
-
-		if (adap->transmit_in_progress) {
-			int err;
-
-			/*
-			 * We are transmitting a message, so add a timeout
-			 * to prevent the state machine to get stuck waiting
-			 * for this message to finalize and add a check to
-			 * see if the adapter is disabled in which case the
-			 * transmit should be canceled.
-			 */
-			err = wait_event_interruptible_timeout(adap->kthread_waitq,
-				(adap->needs_hpd &&
-				 (!adap->is_configured && !adap->is_configuring)) ||
-				kthread_should_stop() ||
-				(!adap->transmit_in_progress &&
-				 !list_empty(&adap->transmit_queue)),
-				msecs_to_jiffies(CEC_XFER_TIMEOUT_MS));
-			timeout = err == 0;
-		} else {
-			/* Otherwise we just wait for something to happen. */
-			wait_event_interruptible(adap->kthread_waitq,
-				kthread_should_stop() ||
-				(!adap->transmit_in_progress &&
-				 !list_empty(&adap->transmit_queue)));
-		}
-
-		mutex_lock(&adap->lock);
-
-		if ((adap->needs_hpd &&
-		     (!adap->is_configured && !adap->is_configuring)) ||
-		    kthread_should_stop()) {
-			cec_flush(adap);
-			goto unlock;
-		}
-
-		if (adap->transmit_in_progress && timeout) {
-			/*
-			 * If we timeout, then log that. Normally this does
-			 * not happen and it is an indication of a faulty CEC
-			 * adapter driver, or the CEC bus is in some weird
-			 * state. On rare occasions it can happen if there is
-			 * so much traffic on the bus that the adapter was
-			 * unable to transmit for CEC_XFER_TIMEOUT_MS (2.1s).
-			 */
-			if (adap->transmitting) {
-				pr_warn("cec-%s: message %*ph timed out\n", adap->name,
-					adap->transmitting->msg.len,
-					adap->transmitting->msg.msg);
-				/* Just give up on this. */
-				cec_data_cancel(adap->transmitting,
-						CEC_TX_STATUS_TIMEOUT);
-			} else {
-				pr_warn("cec-%s: transmit timed out\n", adap->name);
-			}
-			adap->transmit_in_progress = false;
-			adap->tx_timeouts++;
-			goto unlock;
-		}
-
-		/*
-		 * If we are still transmitting, or there is nothing new to
-		 * transmit, then just continue waiting.
-		 */
-		if (adap->transmit_in_progress || list_empty(&adap->transmit_queue))
-			goto unlock;
-
-		/* Get a new message to transmit */
-		data = list_first_entry(&adap->transmit_queue,
-					struct cec_data, list);
-		list_del_init(&data->list);
-		if (!WARN_ON(!data->adap->transmit_queue_sz))
-			adap->transmit_queue_sz--;
-
-		/* Make this the current transmitting message */
-		adap->transmitting = data;
-
-		/*
-		 * Suggested number of attempts as per the CEC 2.0 spec:
-		 * 4 attempts is the default, except for 'secondary poll
-		 * messages', i.e. poll messages not sent during the adapter
-		 * configuration phase when it allocates logical addresses.
-		 */
-		if (data->msg.len == 1 && adap->is_configured)
-			attempts = 2;
-		else
-			attempts = 4;
-
-		/* Set the suggested signal free time */
-		if (data->attempts) {
-			/* should be >= 3 data bit periods for a retry */
-			signal_free_time = CEC_SIGNAL_FREE_TIME_RETRY;
-		} else if (adap->last_initiator !=
-			   cec_msg_initiator(&data->msg)) {
-			/* should be >= 5 data bit periods for new initiator */
-			signal_free_time = CEC_SIGNAL_FREE_TIME_NEW_INITIATOR;
-			adap->last_initiator = cec_msg_initiator(&data->msg);
-		} else {
-			/*
-			 * should be >= 7 data bit periods for sending another
-			 * frame immediately after another.
-			 */
-			signal_free_time = CEC_SIGNAL_FREE_TIME_NEXT_XFER;
-		}
-		if (data->attempts == 0)
-			data->attempts = attempts;
-
-		/* Tell the adapter to transmit, cancel on error */
-		if (adap->ops->adap_transmit(adap, data->attempts,
-					     signal_free_time, &data->msg))
-			cec_data_cancel(data, CEC_TX_STATUS_ABORTED);
-		else
-			adap->transmit_in_progress = true;
-
-unlock:
-		mutex_unlock(&adap->lock);
-
-		if (kthread_should_stop())
-			break;
-	}
-	return 0;
-}
-
-/*
- * Called by the CEC adapter if a transmit finished.
- */
-void cec_transmit_done_ts(struct cec_adapter *adap, u8 status,
-			  u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt,
-			  u8 error_cnt, ktime_t ts)
-{
-	struct cec_data *data;
-	struct cec_msg *msg;
-	unsigned int attempts_made = arb_lost_cnt + nack_cnt +
-				     low_drive_cnt + error_cnt;
-
-	dprintk(2, "%s: status 0x%02x\n", __func__, status);
-	if (attempts_made < 1)
-		attempts_made = 1;
-
-	mutex_lock(&adap->lock);
-	data = adap->transmitting;
-	if (!data) {
-		/*
-		 * This might happen if a transmit was issued and the cable is
-		 * unplugged while the transmit is ongoing. Ignore this
-		 * transmit in that case.
-		 */
-		if (!adap->transmit_in_progress)
-			dprintk(1, "%s was called without an ongoing transmit!\n",
-				__func__);
-		adap->transmit_in_progress = false;
-		goto wake_thread;
-	}
-	adap->transmit_in_progress = false;
-
-	msg = &data->msg;
-
-	/* Drivers must fill in the status! */
-	WARN_ON(status == 0);
-	msg->tx_ts = ktime_to_ns(ts);
-	msg->tx_status |= status;
-	msg->tx_arb_lost_cnt += arb_lost_cnt;
-	msg->tx_nack_cnt += nack_cnt;
-	msg->tx_low_drive_cnt += low_drive_cnt;
-	msg->tx_error_cnt += error_cnt;
-
-	/* Mark that we're done with this transmit */
-	adap->transmitting = NULL;
-
-	/*
-	 * If there are still retry attempts left and there was an error and
-	 * the hardware didn't signal that it retried itself (by setting
-	 * CEC_TX_STATUS_MAX_RETRIES), then we will retry ourselves.
-	 */
-	if (data->attempts > attempts_made &&
-	    !(status & (CEC_TX_STATUS_MAX_RETRIES | CEC_TX_STATUS_OK))) {
-		/* Retry this message */
-		data->attempts -= attempts_made;
-		if (msg->timeout)
-			dprintk(2, "retransmit: %*ph (attempts: %d, wait for 0x%02x)\n",
-				msg->len, msg->msg, data->attempts, msg->reply);
-		else
-			dprintk(2, "retransmit: %*ph (attempts: %d)\n",
-				msg->len, msg->msg, data->attempts);
-		/* Add the message in front of the transmit queue */
-		list_add(&data->list, &adap->transmit_queue);
-		adap->transmit_queue_sz++;
-		goto wake_thread;
-	}
-
-	data->attempts = 0;
-
-	/* Always set CEC_TX_STATUS_MAX_RETRIES on error */
-	if (!(status & CEC_TX_STATUS_OK))
-		msg->tx_status |= CEC_TX_STATUS_MAX_RETRIES;
-
-	/* Queue transmitted message for monitoring purposes */
-	cec_queue_msg_monitor(adap, msg, 1);
-
-	if ((status & CEC_TX_STATUS_OK) && adap->is_configured &&
-	    msg->timeout) {
-		/*
-		 * Queue the message into the wait queue if we want to wait
-		 * for a reply.
-		 */
-		list_add_tail(&data->list, &adap->wait_queue);
-		schedule_delayed_work(&data->work,
-				      msecs_to_jiffies(msg->timeout));
-	} else {
-		/* Otherwise we're done */
-		cec_data_completed(data);
-	}
-
-wake_thread:
-	/*
-	 * Wake up the main thread to see if another message is ready
-	 * for transmitting or to retry the current message.
-	 */
-	wake_up_interruptible(&adap->kthread_waitq);
-	mutex_unlock(&adap->lock);
-}
-EXPORT_SYMBOL_GPL(cec_transmit_done_ts);
-
-void cec_transmit_attempt_done_ts(struct cec_adapter *adap,
-				  u8 status, ktime_t ts)
-{
-	switch (status & ~CEC_TX_STATUS_MAX_RETRIES) {
-	case CEC_TX_STATUS_OK:
-		cec_transmit_done_ts(adap, status, 0, 0, 0, 0, ts);
-		return;
-	case CEC_TX_STATUS_ARB_LOST:
-		cec_transmit_done_ts(adap, status, 1, 0, 0, 0, ts);
-		return;
-	case CEC_TX_STATUS_NACK:
-		cec_transmit_done_ts(adap, status, 0, 1, 0, 0, ts);
-		return;
-	case CEC_TX_STATUS_LOW_DRIVE:
-		cec_transmit_done_ts(adap, status, 0, 0, 1, 0, ts);
-		return;
-	case CEC_TX_STATUS_ERROR:
-		cec_transmit_done_ts(adap, status, 0, 0, 0, 1, ts);
-		return;
-	default:
-		/* Should never happen */
-		WARN(1, "cec-%s: invalid status 0x%02x\n", adap->name, status);
-		return;
-	}
-}
-EXPORT_SYMBOL_GPL(cec_transmit_attempt_done_ts);
-
-/*
- * Called when waiting for a reply times out.
- */
-static void cec_wait_timeout(struct work_struct *work)
-{
-	struct cec_data *data = container_of(work, struct cec_data, work.work);
-	struct cec_adapter *adap = data->adap;
-
-	mutex_lock(&adap->lock);
-	/*
-	 * Sanity check in case the timeout and the arrival of the message
-	 * happened at the same time.
-	 */
-	if (list_empty(&data->list))
-		goto unlock;
-
-	/* Mark the message as timed out */
-	list_del_init(&data->list);
-	data->msg.rx_ts = ktime_get_ns();
-	data->msg.rx_status = CEC_RX_STATUS_TIMEOUT;
-	cec_data_completed(data);
-unlock:
-	mutex_unlock(&adap->lock);
-}
-
-/*
- * Transmit a message. The fh argument may be NULL if the transmit is not
- * associated with a specific filehandle.
- *
- * This function is called with adap->lock held.
- */
-int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg,
-			struct cec_fh *fh, bool block)
-{
-	struct cec_data *data;
-	bool is_raw = msg_is_raw(msg);
-
-	msg->rx_ts = 0;
-	msg->tx_ts = 0;
-	msg->rx_status = 0;
-	msg->tx_status = 0;
-	msg->tx_arb_lost_cnt = 0;
-	msg->tx_nack_cnt = 0;
-	msg->tx_low_drive_cnt = 0;
-	msg->tx_error_cnt = 0;
-	msg->sequence = 0;
-
-	if (msg->reply && msg->timeout == 0) {
-		/* Make sure the timeout isn't 0. */
-		msg->timeout = 1000;
-	}
-	msg->flags &= CEC_MSG_FL_REPLY_TO_FOLLOWERS | CEC_MSG_FL_RAW;
-
-	if (!msg->timeout)
-		msg->flags &= ~CEC_MSG_FL_REPLY_TO_FOLLOWERS;
-
-	/* Sanity checks */
-	if (msg->len == 0 || msg->len > CEC_MAX_MSG_SIZE) {
-		dprintk(1, "%s: invalid length %d\n", __func__, msg->len);
-		return -EINVAL;
-	}
-
-	memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);
-
-	if (msg->timeout)
-		dprintk(2, "%s: %*ph (wait for 0x%02x%s)\n",
-			__func__, msg->len, msg->msg, msg->reply,
-			!block ? ", nb" : "");
-	else
-		dprintk(2, "%s: %*ph%s\n",
-			__func__, msg->len, msg->msg, !block ? " (nb)" : "");
-
-	if (msg->timeout && msg->len == 1) {
-		dprintk(1, "%s: can't reply to poll msg\n", __func__);
-		return -EINVAL;
-	}
-
-	if (is_raw) {
-		if (!capable(CAP_SYS_RAWIO))
-			return -EPERM;
-	} else {
-		/* A CDC-Only device can only send CDC messages */
-		if ((adap->log_addrs.flags & CEC_LOG_ADDRS_FL_CDC_ONLY) &&
-		    (msg->len == 1 || msg->msg[1] != CEC_MSG_CDC_MESSAGE)) {
-			dprintk(1, "%s: not a CDC message\n", __func__);
-			return -EINVAL;
-		}
-
-		if (msg->len >= 4 && msg->msg[1] == CEC_MSG_CDC_MESSAGE) {
-			msg->msg[2] = adap->phys_addr >> 8;
-			msg->msg[3] = adap->phys_addr & 0xff;
-		}
-
-		if (msg->len == 1) {
-			if (cec_msg_destination(msg) == 0xf) {
-				dprintk(1, "%s: invalid poll message\n",
-					__func__);
-				return -EINVAL;
-			}
-			if (cec_has_log_addr(adap, cec_msg_destination(msg))) {
-				/*
-				 * If the destination is a logical address our
-				 * adapter has already claimed, then just NACK
-				 * this. It depends on the hardware what it will
-				 * do with a POLL to itself (some OK this), so
-				 * it is just as easy to handle it here so the
-				 * behavior will be consistent.
-				 */
-				msg->tx_ts = ktime_get_ns();
-				msg->tx_status = CEC_TX_STATUS_NACK |
-					CEC_TX_STATUS_MAX_RETRIES;
-				msg->tx_nack_cnt = 1;
-				msg->sequence = ++adap->sequence;
-				if (!msg->sequence)
-					msg->sequence = ++adap->sequence;
-				return 0;
-			}
-		}
-		if (msg->len > 1 && !cec_msg_is_broadcast(msg) &&
-		    cec_has_log_addr(adap, cec_msg_destination(msg))) {
-			dprintk(1, "%s: destination is the adapter itself\n",
-				__func__);
-			return -EINVAL;
-		}
-		if (msg->len > 1 && adap->is_configured &&
-		    !cec_has_log_addr(adap, cec_msg_initiator(msg))) {
-			dprintk(1, "%s: initiator has unknown logical address %d\n",
-				__func__, cec_msg_initiator(msg));
-			return -EINVAL;
-		}
-		/*
-		 * Special case: allow Ping and IMAGE/TEXT_VIEW_ON to be
-		 * transmitted to a TV, even if the adapter is unconfigured.
-		 * This makes it possible to detect or wake up displays that
-		 * pull down the HPD when in standby.
-		 */
-		if (!adap->is_configured && !adap->is_configuring &&
-		    (msg->len > 2 ||
-		     cec_msg_destination(msg) != CEC_LOG_ADDR_TV ||
-		     (msg->len == 2 && msg->msg[1] != CEC_MSG_IMAGE_VIEW_ON &&
-		      msg->msg[1] != CEC_MSG_TEXT_VIEW_ON))) {
-			dprintk(1, "%s: adapter is unconfigured\n", __func__);
-			return -ENONET;
-		}
-	}
-
-	if (!adap->is_configured && !adap->is_configuring) {
-		if (adap->needs_hpd) {
-			dprintk(1, "%s: adapter is unconfigured and needs HPD\n",
-				__func__);
-			return -ENONET;
-		}
-		if (msg->reply) {
-			dprintk(1, "%s: invalid msg->reply\n", __func__);
-			return -EINVAL;
-		}
-	}
-
-	if (adap->transmit_queue_sz >= CEC_MAX_MSG_TX_QUEUE_SZ) {
-		dprintk(2, "%s: transmit queue full\n", __func__);
-		return -EBUSY;
-	}
-
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	msg->sequence = ++adap->sequence;
-	if (!msg->sequence)
-		msg->sequence = ++adap->sequence;
-
-	data->msg = *msg;
-	data->fh = fh;
-	data->adap = adap;
-	data->blocking = block;
-
-	init_completion(&data->c);
-	INIT_DELAYED_WORK(&data->work, cec_wait_timeout);
-
-	if (fh)
-		list_add_tail(&data->xfer_list, &fh->xfer_list);
-
-	list_add_tail(&data->list, &adap->transmit_queue);
-	adap->transmit_queue_sz++;
-	if (!adap->transmitting)
-		wake_up_interruptible(&adap->kthread_waitq);
-
-	/* All done if we don't need to block waiting for completion */
-	if (!block)
-		return 0;
-
-	/*
-	 * Release the lock and wait, retake the lock afterwards.
-	 */
-	mutex_unlock(&adap->lock);
-	wait_for_completion_killable(&data->c);
-	if (!data->completed)
-		cancel_delayed_work_sync(&data->work);
-	mutex_lock(&adap->lock);
-
-	/* Cancel the transmit if it was interrupted */
-	if (!data->completed)
-		cec_data_cancel(data, CEC_TX_STATUS_ABORTED);
-
-	/* The transmit completed (possibly with an error) */
-	*msg = data->msg;
-	kfree(data);
-	return 0;
-}
-
-/* Helper function to be used by drivers and this framework. */
-int cec_transmit_msg(struct cec_adapter *adap, struct cec_msg *msg,
-		     bool block)
-{
-	int ret;
-
-	mutex_lock(&adap->lock);
-	ret = cec_transmit_msg_fh(adap, msg, NULL, block);
-	mutex_unlock(&adap->lock);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(cec_transmit_msg);
-
-/*
- * I don't like forward references but without this the low-level
- * cec_received_msg() function would come after a bunch of high-level
- * CEC protocol handling functions. That was very confusing.
- */
-static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
-			      bool is_reply);
-
-#define DIRECTED	0x80
-#define BCAST1_4	0x40
-#define BCAST2_0	0x20	/* broadcast only allowed for >= 2.0 */
-#define BCAST		(BCAST1_4 | BCAST2_0)
-#define BOTH		(BCAST | DIRECTED)
-
-/*
- * Specify minimum length and whether the message is directed, broadcast
- * or both. Messages that do not match the criteria are ignored as per
- * the CEC specification.
- */
-static const u8 cec_msg_size[256] = {
-	[CEC_MSG_ACTIVE_SOURCE] = 4 | BCAST,
-	[CEC_MSG_IMAGE_VIEW_ON] = 2 | DIRECTED,
-	[CEC_MSG_TEXT_VIEW_ON] = 2 | DIRECTED,
-	[CEC_MSG_INACTIVE_SOURCE] = 4 | DIRECTED,
-	[CEC_MSG_REQUEST_ACTIVE_SOURCE] = 2 | BCAST,
-	[CEC_MSG_ROUTING_CHANGE] = 6 | BCAST,
-	[CEC_MSG_ROUTING_INFORMATION] = 4 | BCAST,
-	[CEC_MSG_SET_STREAM_PATH] = 4 | BCAST,
-	[CEC_MSG_STANDBY] = 2 | BOTH,
-	[CEC_MSG_RECORD_OFF] = 2 | DIRECTED,
-	[CEC_MSG_RECORD_ON] = 3 | DIRECTED,
-	[CEC_MSG_RECORD_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_RECORD_TV_SCREEN] = 2 | DIRECTED,
-	[CEC_MSG_CLEAR_ANALOGUE_TIMER] = 13 | DIRECTED,
-	[CEC_MSG_CLEAR_DIGITAL_TIMER] = 16 | DIRECTED,
-	[CEC_MSG_CLEAR_EXT_TIMER] = 13 | DIRECTED,
-	[CEC_MSG_SET_ANALOGUE_TIMER] = 13 | DIRECTED,
-	[CEC_MSG_SET_DIGITAL_TIMER] = 16 | DIRECTED,
-	[CEC_MSG_SET_EXT_TIMER] = 13 | DIRECTED,
-	[CEC_MSG_SET_TIMER_PROGRAM_TITLE] = 2 | DIRECTED,
-	[CEC_MSG_TIMER_CLEARED_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_TIMER_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_CEC_VERSION] = 3 | DIRECTED,
-	[CEC_MSG_GET_CEC_VERSION] = 2 | DIRECTED,
-	[CEC_MSG_GIVE_PHYSICAL_ADDR] = 2 | DIRECTED,
-	[CEC_MSG_GET_MENU_LANGUAGE] = 2 | DIRECTED,
-	[CEC_MSG_REPORT_PHYSICAL_ADDR] = 5 | BCAST,
-	[CEC_MSG_SET_MENU_LANGUAGE] = 5 | BCAST,
-	[CEC_MSG_REPORT_FEATURES] = 6 | BCAST,
-	[CEC_MSG_GIVE_FEATURES] = 2 | DIRECTED,
-	[CEC_MSG_DECK_CONTROL] = 3 | DIRECTED,
-	[CEC_MSG_DECK_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_GIVE_DECK_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_PLAY] = 3 | DIRECTED,
-	[CEC_MSG_GIVE_TUNER_DEVICE_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_SELECT_ANALOGUE_SERVICE] = 6 | DIRECTED,
-	[CEC_MSG_SELECT_DIGITAL_SERVICE] = 9 | DIRECTED,
-	[CEC_MSG_TUNER_DEVICE_STATUS] = 7 | DIRECTED,
-	[CEC_MSG_TUNER_STEP_DECREMENT] = 2 | DIRECTED,
-	[CEC_MSG_TUNER_STEP_INCREMENT] = 2 | DIRECTED,
-	[CEC_MSG_DEVICE_VENDOR_ID] = 5 | BCAST,
-	[CEC_MSG_GIVE_DEVICE_VENDOR_ID] = 2 | DIRECTED,
-	[CEC_MSG_VENDOR_COMMAND] = 2 | DIRECTED,
-	[CEC_MSG_VENDOR_COMMAND_WITH_ID] = 5 | BOTH,
-	[CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN] = 2 | BOTH,
-	[CEC_MSG_VENDOR_REMOTE_BUTTON_UP] = 2 | BOTH,
-	[CEC_MSG_SET_OSD_STRING] = 3 | DIRECTED,
-	[CEC_MSG_GIVE_OSD_NAME] = 2 | DIRECTED,
-	[CEC_MSG_SET_OSD_NAME] = 2 | DIRECTED,
-	[CEC_MSG_MENU_REQUEST] = 3 | DIRECTED,
-	[CEC_MSG_MENU_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_USER_CONTROL_PRESSED] = 3 | DIRECTED,
-	[CEC_MSG_USER_CONTROL_RELEASED] = 2 | DIRECTED,
-	[CEC_MSG_GIVE_DEVICE_POWER_STATUS] = 2 | DIRECTED,
-	[CEC_MSG_REPORT_POWER_STATUS] = 3 | DIRECTED | BCAST2_0,
-	[CEC_MSG_FEATURE_ABORT] = 4 | DIRECTED,
-	[CEC_MSG_ABORT] = 2 | DIRECTED,
-	[CEC_MSG_GIVE_AUDIO_STATUS] = 2 | DIRECTED,
-	[CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS] = 2 | DIRECTED,
-	[CEC_MSG_REPORT_AUDIO_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR] = 2 | DIRECTED,
-	[CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR] = 2 | DIRECTED,
-	[CEC_MSG_SET_SYSTEM_AUDIO_MODE] = 3 | BOTH,
-	[CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST] = 2 | DIRECTED,
-	[CEC_MSG_SYSTEM_AUDIO_MODE_STATUS] = 3 | DIRECTED,
-	[CEC_MSG_SET_AUDIO_RATE] = 3 | DIRECTED,
-	[CEC_MSG_INITIATE_ARC] = 2 | DIRECTED,
-	[CEC_MSG_REPORT_ARC_INITIATED] = 2 | DIRECTED,
-	[CEC_MSG_REPORT_ARC_TERMINATED] = 2 | DIRECTED,
-	[CEC_MSG_REQUEST_ARC_INITIATION] = 2 | DIRECTED,
-	[CEC_MSG_REQUEST_ARC_TERMINATION] = 2 | DIRECTED,
-	[CEC_MSG_TERMINATE_ARC] = 2 | DIRECTED,
-	[CEC_MSG_REQUEST_CURRENT_LATENCY] = 4 | BCAST,
-	[CEC_MSG_REPORT_CURRENT_LATENCY] = 6 | BCAST,
-	[CEC_MSG_CDC_MESSAGE] = 2 | BCAST,
-};
-
-/* Called by the CEC adapter if a message is received */
-void cec_received_msg_ts(struct cec_adapter *adap,
-			 struct cec_msg *msg, ktime_t ts)
-{
-	struct cec_data *data;
-	u8 msg_init = cec_msg_initiator(msg);
-	u8 msg_dest = cec_msg_destination(msg);
-	u8 cmd = msg->msg[1];
-	bool is_reply = false;
-	bool valid_la = true;
-	u8 min_len = 0;
-
-	if (WARN_ON(!msg->len || msg->len > CEC_MAX_MSG_SIZE))
-		return;
-
-	/*
-	 * Some CEC adapters will receive the messages that they transmitted.
-	 * This test filters out those messages by checking if we are the
-	 * initiator, and just returning in that case.
-	 *
-	 * Note that this won't work if this is an Unregistered device.
-	 *
-	 * It is bad practice if the hardware receives the message that it
-	 * transmitted and luckily most CEC adapters behave correctly in this
-	 * respect.
-	 */
-	if (msg_init != CEC_LOG_ADDR_UNREGISTERED &&
-	    cec_has_log_addr(adap, msg_init))
-		return;
-
-	msg->rx_ts = ktime_to_ns(ts);
-	msg->rx_status = CEC_RX_STATUS_OK;
-	msg->sequence = msg->reply = msg->timeout = 0;
-	msg->tx_status = 0;
-	msg->tx_ts = 0;
-	msg->tx_arb_lost_cnt = 0;
-	msg->tx_nack_cnt = 0;
-	msg->tx_low_drive_cnt = 0;
-	msg->tx_error_cnt = 0;
-	msg->flags = 0;
-	memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);
-
-	mutex_lock(&adap->lock);
-	dprintk(2, "%s: %*ph\n", __func__, msg->len, msg->msg);
-
-	adap->last_initiator = 0xff;
-
-	/* Check if this message was for us (directed or broadcast). */
-	if (!cec_msg_is_broadcast(msg))
-		valid_la = cec_has_log_addr(adap, msg_dest);
-
-	/*
-	 * Check if the length is not too short or if the message is a
-	 * broadcast message where a directed message was expected or
-	 * vice versa. If so, then the message has to be ignored (according
-	 * to section CEC 7.3 and CEC 12.2).
-	 */
-	if (valid_la && msg->len > 1 && cec_msg_size[cmd]) {
-		u8 dir_fl = cec_msg_size[cmd] & BOTH;
-
-		min_len = cec_msg_size[cmd] & 0x1f;
-		if (msg->len < min_len)
-			valid_la = false;
-		else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED))
-			valid_la = false;
-		else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST))
-			valid_la = false;
-		else if (cec_msg_is_broadcast(msg) &&
-			 adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 &&
-			 !(dir_fl & BCAST1_4))
-			valid_la = false;
-	}
-	if (valid_la && min_len) {
-		/* These messages have special length requirements */
-		switch (cmd) {
-		case CEC_MSG_TIMER_STATUS:
-			if (msg->msg[2] & 0x10) {
-				switch (msg->msg[2] & 0xf) {
-				case CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE:
-				case CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE:
-					if (msg->len < 5)
-						valid_la = false;
-					break;
-				}
-			} else if ((msg->msg[2] & 0xf) == CEC_OP_PROG_ERROR_DUPLICATE) {
-				if (msg->len < 5)
-					valid_la = false;
-			}
-			break;
-		case CEC_MSG_RECORD_ON:
-			switch (msg->msg[2]) {
-			case CEC_OP_RECORD_SRC_OWN:
-				break;
-			case CEC_OP_RECORD_SRC_DIGITAL:
-				if (msg->len < 10)
-					valid_la = false;
-				break;
-			case CEC_OP_RECORD_SRC_ANALOG:
-				if (msg->len < 7)
-					valid_la = false;
-				break;
-			case CEC_OP_RECORD_SRC_EXT_PLUG:
-				if (msg->len < 4)
-					valid_la = false;
-				break;
-			case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
-				if (msg->len < 5)
-					valid_la = false;
-				break;
-			}
-			break;
-		}
-	}
-
-	/* It's a valid message and not a poll or CDC message */
-	if (valid_la && msg->len > 1 && cmd != CEC_MSG_CDC_MESSAGE) {
-		bool abort = cmd == CEC_MSG_FEATURE_ABORT;
-
-		/* The aborted command is in msg[2] */
-		if (abort)
-			cmd = msg->msg[2];
-
-		/*
-		 * Walk over all transmitted messages that are waiting for a
-		 * reply.
-		 */
-		list_for_each_entry(data, &adap->wait_queue, list) {
-			struct cec_msg *dst = &data->msg;
-
-			/*
-			 * The *only* CEC message that has two possible replies
-			 * is CEC_MSG_INITIATE_ARC.
-			 * In this case allow either of the two replies.
-			 */
-			if (!abort && dst->msg[1] == CEC_MSG_INITIATE_ARC &&
-			    (cmd == CEC_MSG_REPORT_ARC_INITIATED ||
-			     cmd == CEC_MSG_REPORT_ARC_TERMINATED) &&
-			    (dst->reply == CEC_MSG_REPORT_ARC_INITIATED ||
-			     dst->reply == CEC_MSG_REPORT_ARC_TERMINATED))
-				dst->reply = cmd;
-
-			/* Does the command match? */
-			if ((abort && cmd != dst->msg[1]) ||
-			    (!abort && cmd != dst->reply))
-				continue;
-
-			/* Does the addressing match? */
-			if (msg_init != cec_msg_destination(dst) &&
-			    !cec_msg_is_broadcast(dst))
-				continue;
-
-			/* We got a reply */
-			memcpy(dst->msg, msg->msg, msg->len);
-			dst->len = msg->len;
-			dst->rx_ts = msg->rx_ts;
-			dst->rx_status = msg->rx_status;
-			if (abort)
-				dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT;
-			msg->flags = dst->flags;
-			/* Remove it from the wait_queue */
-			list_del_init(&data->list);
-
-			/* Cancel the pending timeout work */
-			if (!cancel_delayed_work(&data->work)) {
-				mutex_unlock(&adap->lock);
-				flush_scheduled_work();
-				mutex_lock(&adap->lock);
-			}
-			/*
-			 * Mark this as a reply, provided someone is still
-			 * waiting for the answer.
-			 */
-			if (data->fh)
-				is_reply = true;
-			cec_data_completed(data);
-			break;
-		}
-	}
-	mutex_unlock(&adap->lock);
-
-	/* Pass the message on to any monitoring filehandles */
-	cec_queue_msg_monitor(adap, msg, valid_la);
-
-	/* We're done if it is not for us or a poll message */
-	if (!valid_la || msg->len <= 1)
-		return;
-
-	if (adap->log_addrs.log_addr_mask == 0)
-		return;
-
-	/*
-	 * Process the message on the protocol level. If is_reply is true,
-	 * then cec_receive_notify() won't pass on the reply to the listener(s)
-	 * since that was already done by cec_data_completed() above.
-	 */
-	cec_receive_notify(adap, msg, is_reply);
-}
-EXPORT_SYMBOL_GPL(cec_received_msg_ts);
-
-/* Logical Address Handling */
-
-/*
- * Attempt to claim a specific logical address.
- *
- * This function is called with adap->lock held.
- */
-static int cec_config_log_addr(struct cec_adapter *adap,
-			       unsigned int idx,
-			       unsigned int log_addr)
-{
-	struct cec_log_addrs *las = &adap->log_addrs;
-	struct cec_msg msg = { };
-	const unsigned int max_retries = 2;
-	unsigned int i;
-	int err;
-
-	if (cec_has_log_addr(adap, log_addr))
-		return 0;
-
-	/* Send poll message */
-	msg.len = 1;
-	msg.msg[0] = (log_addr << 4) | log_addr;
-
-	for (i = 0; i < max_retries; i++) {
-		err = cec_transmit_msg_fh(adap, &msg, NULL, true);
-
-		/*
-		 * While trying to poll the physical address was reset
-		 * and the adapter was unconfigured, so bail out.
-		 */
-		if (!adap->is_configuring)
-			return -EINTR;
-
-		if (err)
-			return err;
-
-		/*
-		 * The message was aborted due to a disconnect or
-		 * unconfigure, just bail out.
-		 */
-		if (msg.tx_status & CEC_TX_STATUS_ABORTED)
-			return -EINTR;
-		if (msg.tx_status & CEC_TX_STATUS_OK)
-			return 0;
-		if (msg.tx_status & CEC_TX_STATUS_NACK)
-			break;
-		/*
-		 * Retry up to max_retries times if the message was neither
-		 * OKed or NACKed. This can happen due to e.g. a Lost
-		 * Arbitration condition.
-		 */
-	}
-
-	/*
-	 * If we are unable to get an OK or a NACK after max_retries attempts
-	 * (and note that each attempt already consists of four polls), then
-	 * then we assume that something is really weird and that it is not a
-	 * good idea to try and claim this logical address.
-	 */
-	if (i == max_retries)
-		return 0;
-
-	/*
-	 * Message not acknowledged, so this logical
-	 * address is free to use.
-	 */
-	err = adap->ops->adap_log_addr(adap, log_addr);
-	if (err)
-		return err;
-
-	las->log_addr[idx] = log_addr;
-	las->log_addr_mask |= 1 << log_addr;
-	adap->phys_addrs[log_addr] = adap->phys_addr;
-	return 1;
-}
-
-/*
- * Unconfigure the adapter: clear all logical addresses and send
- * the state changed event.
- *
- * This function is called with adap->lock held.
- */
-static void cec_adap_unconfigure(struct cec_adapter *adap)
-{
-	if (!adap->needs_hpd ||
-	    adap->phys_addr != CEC_PHYS_ADDR_INVALID)
-		WARN_ON(adap->ops->adap_log_addr(adap, CEC_LOG_ADDR_INVALID));
-	adap->log_addrs.log_addr_mask = 0;
-	adap->is_configuring = false;
-	adap->is_configured = false;
-	memset(adap->phys_addrs, 0xff, sizeof(adap->phys_addrs));
-	cec_flush(adap);
-	wake_up_interruptible(&adap->kthread_waitq);
-	cec_post_state_event(adap);
-}
-
-/*
- * Attempt to claim the required logical addresses.
- */
-static int cec_config_thread_func(void *arg)
-{
-	/* The various LAs for each type of device */
-	static const u8 tv_log_addrs[] = {
-		CEC_LOG_ADDR_TV, CEC_LOG_ADDR_SPECIFIC,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 record_log_addrs[] = {
-		CEC_LOG_ADDR_RECORD_1, CEC_LOG_ADDR_RECORD_2,
-		CEC_LOG_ADDR_RECORD_3,
-		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 tuner_log_addrs[] = {
-		CEC_LOG_ADDR_TUNER_1, CEC_LOG_ADDR_TUNER_2,
-		CEC_LOG_ADDR_TUNER_3, CEC_LOG_ADDR_TUNER_4,
-		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 playback_log_addrs[] = {
-		CEC_LOG_ADDR_PLAYBACK_1, CEC_LOG_ADDR_PLAYBACK_2,
-		CEC_LOG_ADDR_PLAYBACK_3,
-		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 audiosystem_log_addrs[] = {
-		CEC_LOG_ADDR_AUDIOSYSTEM,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 specific_use_log_addrs[] = {
-		CEC_LOG_ADDR_SPECIFIC,
-		CEC_LOG_ADDR_BACKUP_1, CEC_LOG_ADDR_BACKUP_2,
-		CEC_LOG_ADDR_INVALID
-	};
-	static const u8 *type2addrs[6] = {
-		[CEC_LOG_ADDR_TYPE_TV] = tv_log_addrs,
-		[CEC_LOG_ADDR_TYPE_RECORD] = record_log_addrs,
-		[CEC_LOG_ADDR_TYPE_TUNER] = tuner_log_addrs,
-		[CEC_LOG_ADDR_TYPE_PLAYBACK] = playback_log_addrs,
-		[CEC_LOG_ADDR_TYPE_AUDIOSYSTEM] = audiosystem_log_addrs,
-		[CEC_LOG_ADDR_TYPE_SPECIFIC] = specific_use_log_addrs,
-	};
-	static const u16 type2mask[] = {
-		[CEC_LOG_ADDR_TYPE_TV] = CEC_LOG_ADDR_MASK_TV,
-		[CEC_LOG_ADDR_TYPE_RECORD] = CEC_LOG_ADDR_MASK_RECORD,
-		[CEC_LOG_ADDR_TYPE_TUNER] = CEC_LOG_ADDR_MASK_TUNER,
-		[CEC_LOG_ADDR_TYPE_PLAYBACK] = CEC_LOG_ADDR_MASK_PLAYBACK,
-		[CEC_LOG_ADDR_TYPE_AUDIOSYSTEM] = CEC_LOG_ADDR_MASK_AUDIOSYSTEM,
-		[CEC_LOG_ADDR_TYPE_SPECIFIC] = CEC_LOG_ADDR_MASK_SPECIFIC,
-	};
-	struct cec_adapter *adap = arg;
-	struct cec_log_addrs *las = &adap->log_addrs;
-	int err;
-	int i, j;
-
-	mutex_lock(&adap->lock);
-	dprintk(1, "physical address: %x.%x.%x.%x, claim %d logical addresses\n",
-		cec_phys_addr_exp(adap->phys_addr), las->num_log_addrs);
-	las->log_addr_mask = 0;
-
-	if (las->log_addr_type[0] == CEC_LOG_ADDR_TYPE_UNREGISTERED)
-		goto configured;
-
-	for (i = 0; i < las->num_log_addrs; i++) {
-		unsigned int type = las->log_addr_type[i];
-		const u8 *la_list;
-		u8 last_la;
-
-		/*
-		 * The TV functionality can only map to physical address 0.
-		 * For any other address, try the Specific functionality
-		 * instead as per the spec.
-		 */
-		if (adap->phys_addr && type == CEC_LOG_ADDR_TYPE_TV)
-			type = CEC_LOG_ADDR_TYPE_SPECIFIC;
-
-		la_list = type2addrs[type];
-		last_la = las->log_addr[i];
-		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
-		if (last_la == CEC_LOG_ADDR_INVALID ||
-		    last_la == CEC_LOG_ADDR_UNREGISTERED ||
-		    !((1 << last_la) & type2mask[type]))
-			last_la = la_list[0];
-
-		err = cec_config_log_addr(adap, i, last_la);
-		if (err > 0) /* Reused last LA */
-			continue;
-
-		if (err < 0)
-			goto unconfigure;
-
-		for (j = 0; la_list[j] != CEC_LOG_ADDR_INVALID; j++) {
-			/* Tried this one already, skip it */
-			if (la_list[j] == last_la)
-				continue;
-			/* The backup addresses are CEC 2.0 specific */
-			if ((la_list[j] == CEC_LOG_ADDR_BACKUP_1 ||
-			     la_list[j] == CEC_LOG_ADDR_BACKUP_2) &&
-			    las->cec_version < CEC_OP_CEC_VERSION_2_0)
-				continue;
-
-			err = cec_config_log_addr(adap, i, la_list[j]);
-			if (err == 0) /* LA is in use */
-				continue;
-			if (err < 0)
-				goto unconfigure;
-			/* Done, claimed an LA */
-			break;
-		}
-
-		if (la_list[j] == CEC_LOG_ADDR_INVALID)
-			dprintk(1, "could not claim LA %d\n", i);
-	}
-
-	if (adap->log_addrs.log_addr_mask == 0 &&
-	    !(las->flags & CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK))
-		goto unconfigure;
-
-configured:
-	if (adap->log_addrs.log_addr_mask == 0) {
-		/* Fall back to unregistered */
-		las->log_addr[0] = CEC_LOG_ADDR_UNREGISTERED;
-		las->log_addr_mask = 1 << las->log_addr[0];
-		for (i = 1; i < las->num_log_addrs; i++)
-			las->log_addr[i] = CEC_LOG_ADDR_INVALID;
-	}
-	for (i = las->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++)
-		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
-	adap->is_configured = true;
-	adap->is_configuring = false;
-	cec_post_state_event(adap);
-
-	/*
-	 * Now post the Report Features and Report Physical Address broadcast
-	 * messages. Note that these are non-blocking transmits, meaning that
-	 * they are just queued up and once adap->lock is unlocked the main
-	 * thread will kick in and start transmitting these.
-	 *
-	 * If after this function is done (but before one or more of these
-	 * messages are actually transmitted) the CEC adapter is unconfigured,
-	 * then any remaining messages will be dropped by the main thread.
-	 */
-	for (i = 0; i < las->num_log_addrs; i++) {
-		struct cec_msg msg = {};
-
-		if (las->log_addr[i] == CEC_LOG_ADDR_INVALID ||
-		    (las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY))
-			continue;
-
-		msg.msg[0] = (las->log_addr[i] << 4) | 0x0f;
-
-		/* Report Features must come first according to CEC 2.0 */
-		if (las->log_addr[i] != CEC_LOG_ADDR_UNREGISTERED &&
-		    adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0) {
-			cec_fill_msg_report_features(adap, &msg, i);
-			cec_transmit_msg_fh(adap, &msg, NULL, false);
-		}
-
-		/* Report Physical Address */
-		cec_msg_report_physical_addr(&msg, adap->phys_addr,
-					     las->primary_device_type[i]);
-		dprintk(1, "config: la %d pa %x.%x.%x.%x\n",
-			las->log_addr[i],
-			cec_phys_addr_exp(adap->phys_addr));
-		cec_transmit_msg_fh(adap, &msg, NULL, false);
-
-		/* Report Vendor ID */
-		if (adap->log_addrs.vendor_id != CEC_VENDOR_ID_NONE) {
-			cec_msg_device_vendor_id(&msg,
-						 adap->log_addrs.vendor_id);
-			cec_transmit_msg_fh(adap, &msg, NULL, false);
-		}
-	}
-	adap->kthread_config = NULL;
-	complete(&adap->config_completion);
-	mutex_unlock(&adap->lock);
-	return 0;
-
-unconfigure:
-	for (i = 0; i < las->num_log_addrs; i++)
-		las->log_addr[i] = CEC_LOG_ADDR_INVALID;
-	cec_adap_unconfigure(adap);
-	adap->kthread_config = NULL;
-	mutex_unlock(&adap->lock);
-	complete(&adap->config_completion);
-	return 0;
-}
-
-/*
- * Called from either __cec_s_phys_addr or __cec_s_log_addrs to claim the
- * logical addresses.
- *
- * This function is called with adap->lock held.
- */
-static void cec_claim_log_addrs(struct cec_adapter *adap, bool block)
-{
-	if (WARN_ON(adap->is_configuring || adap->is_configured))
-		return;
-
-	init_completion(&adap->config_completion);
-
-	/* Ready to kick off the thread */
-	adap->is_configuring = true;
-	adap->kthread_config = kthread_run(cec_config_thread_func, adap,
-					   "ceccfg-%s", adap->name);
-	if (IS_ERR(adap->kthread_config)) {
-		adap->kthread_config = NULL;
-	} else if (block) {
-		mutex_unlock(&adap->lock);
-		wait_for_completion(&adap->config_completion);
-		mutex_lock(&adap->lock);
-	}
-}
-
-/* Set a new physical address and send an event notifying userspace of this.
- *
- * This function is called with adap->lock held.
- */
-void __cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
-{
-	if (phys_addr == adap->phys_addr)
-		return;
-	if (phys_addr != CEC_PHYS_ADDR_INVALID && adap->devnode.unregistered)
-		return;
-
-	dprintk(1, "new physical address %x.%x.%x.%x\n",
-		cec_phys_addr_exp(phys_addr));
-	if (phys_addr == CEC_PHYS_ADDR_INVALID ||
-	    adap->phys_addr != CEC_PHYS_ADDR_INVALID) {
-		adap->phys_addr = CEC_PHYS_ADDR_INVALID;
-		cec_post_state_event(adap);
-		cec_adap_unconfigure(adap);
-		/* Disabling monitor all mode should always succeed */
-		if (adap->monitor_all_cnt)
-			WARN_ON(call_op(adap, adap_monitor_all_enable, false));
-		mutex_lock(&adap->devnode.lock);
-		if (adap->needs_hpd || list_empty(&adap->devnode.fhs)) {
-			WARN_ON(adap->ops->adap_enable(adap, false));
-			adap->transmit_in_progress = false;
-			wake_up_interruptible(&adap->kthread_waitq);
-		}
-		mutex_unlock(&adap->devnode.lock);
-		if (phys_addr == CEC_PHYS_ADDR_INVALID)
-			return;
-	}
-
-	mutex_lock(&adap->devnode.lock);
-	adap->last_initiator = 0xff;
-	adap->transmit_in_progress = false;
-
-	if ((adap->needs_hpd || list_empty(&adap->devnode.fhs)) &&
-	    adap->ops->adap_enable(adap, true)) {
-		mutex_unlock(&adap->devnode.lock);
-		return;
-	}
-
-	if (adap->monitor_all_cnt &&
-	    call_op(adap, adap_monitor_all_enable, true)) {
-		if (adap->needs_hpd || list_empty(&adap->devnode.fhs))
-			WARN_ON(adap->ops->adap_enable(adap, false));
-		mutex_unlock(&adap->devnode.lock);
-		return;
-	}
-	mutex_unlock(&adap->devnode.lock);
-
-	adap->phys_addr = phys_addr;
-	cec_post_state_event(adap);
-	if (adap->log_addrs.num_log_addrs)
-		cec_claim_log_addrs(adap, block);
-}
-
-void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
-{
-	if (IS_ERR_OR_NULL(adap))
-		return;
-
-	mutex_lock(&adap->lock);
-	__cec_s_phys_addr(adap, phys_addr, block);
-	mutex_unlock(&adap->lock);
-}
-EXPORT_SYMBOL_GPL(cec_s_phys_addr);
-
-void cec_s_phys_addr_from_edid(struct cec_adapter *adap,
-			       const struct edid *edid)
-{
-	u16 pa = CEC_PHYS_ADDR_INVALID;
-
-	if (edid && edid->extensions)
-		pa = cec_get_edid_phys_addr((const u8 *)edid,
-				EDID_LENGTH * (edid->extensions + 1), NULL);
-	cec_s_phys_addr(adap, pa, false);
-}
-EXPORT_SYMBOL_GPL(cec_s_phys_addr_from_edid);
-
-void cec_s_conn_info(struct cec_adapter *adap,
-		     const struct cec_connector_info *conn_info)
-{
-	if (IS_ERR_OR_NULL(adap))
-		return;
-
-	if (!(adap->capabilities & CEC_CAP_CONNECTOR_INFO))
-		return;
-
-	mutex_lock(&adap->lock);
-	if (conn_info)
-		adap->conn_info = *conn_info;
-	else
-		memset(&adap->conn_info, 0, sizeof(adap->conn_info));
-	cec_post_state_event(adap);
-	mutex_unlock(&adap->lock);
-}
-EXPORT_SYMBOL_GPL(cec_s_conn_info);
-
-/*
- * Called from either the ioctl or a driver to set the logical addresses.
- *
- * This function is called with adap->lock held.
- */
-int __cec_s_log_addrs(struct cec_adapter *adap,
-		      struct cec_log_addrs *log_addrs, bool block)
-{
-	u16 type_mask = 0;
-	int i;
-
-	if (adap->devnode.unregistered)
-		return -ENODEV;
-
-	if (!log_addrs || log_addrs->num_log_addrs == 0) {
-		cec_adap_unconfigure(adap);
-		adap->log_addrs.num_log_addrs = 0;
-		for (i = 0; i < CEC_MAX_LOG_ADDRS; i++)
-			adap->log_addrs.log_addr[i] = CEC_LOG_ADDR_INVALID;
-		adap->log_addrs.osd_name[0] = '\0';
-		adap->log_addrs.vendor_id = CEC_VENDOR_ID_NONE;
-		adap->log_addrs.cec_version = CEC_OP_CEC_VERSION_2_0;
-		return 0;
-	}
-
-	if (log_addrs->flags & CEC_LOG_ADDRS_FL_CDC_ONLY) {
-		/*
-		 * Sanitize log_addrs fields if a CDC-Only device is
-		 * requested.
-		 */
-		log_addrs->num_log_addrs = 1;
-		log_addrs->osd_name[0] = '\0';
-		log_addrs->vendor_id = CEC_VENDOR_ID_NONE;
-		log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
-		/*
-		 * This is just an internal convention since a CDC-Only device
-		 * doesn't have to be a switch. But switches already use
-		 * unregistered, so it makes some kind of sense to pick this
-		 * as the primary device. Since a CDC-Only device never sends
-		 * any 'normal' CEC messages this primary device type is never
-		 * sent over the CEC bus.
-		 */
-		log_addrs->primary_device_type[0] = CEC_OP_PRIM_DEVTYPE_SWITCH;
-		log_addrs->all_device_types[0] = 0;
-		log_addrs->features[0][0] = 0;
-		log_addrs->features[0][1] = 0;
-	}
-
-	/* Ensure the osd name is 0-terminated */
-	log_addrs->osd_name[sizeof(log_addrs->osd_name) - 1] = '\0';
-
-	/* Sanity checks */
-	if (log_addrs->num_log_addrs > adap->available_log_addrs) {
-		dprintk(1, "num_log_addrs > %d\n", adap->available_log_addrs);
-		return -EINVAL;
-	}
-
-	/*
-	 * Vendor ID is a 24 bit number, so check if the value is
-	 * within the correct range.
-	 */
-	if (log_addrs->vendor_id != CEC_VENDOR_ID_NONE &&
-	    (log_addrs->vendor_id & 0xff000000) != 0) {
-		dprintk(1, "invalid vendor ID\n");
-		return -EINVAL;
-	}
-
-	if (log_addrs->cec_version != CEC_OP_CEC_VERSION_1_4 &&
-	    log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0) {
-		dprintk(1, "invalid CEC version\n");
-		return -EINVAL;
-	}
-
-	if (log_addrs->num_log_addrs > 1)
-		for (i = 0; i < log_addrs->num_log_addrs; i++)
-			if (log_addrs->log_addr_type[i] ==
-					CEC_LOG_ADDR_TYPE_UNREGISTERED) {
-				dprintk(1, "num_log_addrs > 1 can't be combined with unregistered LA\n");
-				return -EINVAL;
-			}
-
-	for (i = 0; i < log_addrs->num_log_addrs; i++) {
-		const u8 feature_sz = ARRAY_SIZE(log_addrs->features[0]);
-		u8 *features = log_addrs->features[i];
-		bool op_is_dev_features = false;
-		unsigned j;
-
-		log_addrs->log_addr[i] = CEC_LOG_ADDR_INVALID;
-		if (type_mask & (1 << log_addrs->log_addr_type[i])) {
-			dprintk(1, "duplicate logical address type\n");
-			return -EINVAL;
-		}
-		type_mask |= 1 << log_addrs->log_addr_type[i];
-		if ((type_mask & (1 << CEC_LOG_ADDR_TYPE_RECORD)) &&
-		    (type_mask & (1 << CEC_LOG_ADDR_TYPE_PLAYBACK))) {
-			/* Record already contains the playback functionality */
-			dprintk(1, "invalid record + playback combination\n");
-			return -EINVAL;
-		}
-		if (log_addrs->primary_device_type[i] >
-					CEC_OP_PRIM_DEVTYPE_PROCESSOR) {
-			dprintk(1, "unknown primary device type\n");
-			return -EINVAL;
-		}
-		if (log_addrs->primary_device_type[i] == 2) {
-			dprintk(1, "invalid primary device type\n");
-			return -EINVAL;
-		}
-		if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) {
-			dprintk(1, "unknown logical address type\n");
-			return -EINVAL;
-		}
-		for (j = 0; j < feature_sz; j++) {
-			if ((features[j] & 0x80) == 0) {
-				if (op_is_dev_features)
-					break;
-				op_is_dev_features = true;
-			}
-		}
-		if (!op_is_dev_features || j == feature_sz) {
-			dprintk(1, "malformed features\n");
-			return -EINVAL;
-		}
-		/* Zero unused part of the feature array */
-		memset(features + j + 1, 0, feature_sz - j - 1);
-	}
-
-	if (log_addrs->cec_version >= CEC_OP_CEC_VERSION_2_0) {
-		if (log_addrs->num_log_addrs > 2) {
-			dprintk(1, "CEC 2.0 allows no more than 2 logical addresses\n");
-			return -EINVAL;
-		}
-		if (log_addrs->num_log_addrs == 2) {
-			if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_AUDIOSYSTEM) |
-					   (1 << CEC_LOG_ADDR_TYPE_TV)))) {
-				dprintk(1, "two LAs is only allowed for audiosystem and TV\n");
-				return -EINVAL;
-			}
-			if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_PLAYBACK) |
-					   (1 << CEC_LOG_ADDR_TYPE_RECORD)))) {
-				dprintk(1, "an audiosystem/TV can only be combined with record or playback\n");
-				return -EINVAL;
-			}
-		}
-	}
-
-	/* Zero unused LAs */
-	for (i = log_addrs->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++) {
-		log_addrs->primary_device_type[i] = 0;
-		log_addrs->log_addr_type[i] = 0;
-		log_addrs->all_device_types[i] = 0;
-		memset(log_addrs->features[i], 0,
-		       sizeof(log_addrs->features[i]));
-	}
-
-	log_addrs->log_addr_mask = adap->log_addrs.log_addr_mask;
-	adap->log_addrs = *log_addrs;
-	if (adap->phys_addr != CEC_PHYS_ADDR_INVALID)
-		cec_claim_log_addrs(adap, block);
-	return 0;
-}
-
-int cec_s_log_addrs(struct cec_adapter *adap,
-		    struct cec_log_addrs *log_addrs, bool block)
-{
-	int err;
-
-	mutex_lock(&adap->lock);
-	err = __cec_s_log_addrs(adap, log_addrs, block);
-	mutex_unlock(&adap->lock);
-	return err;
-}
-EXPORT_SYMBOL_GPL(cec_s_log_addrs);
-
-/* High-level core CEC message handling */
-
-/* Fill in the Report Features message */
-static void cec_fill_msg_report_features(struct cec_adapter *adap,
-					 struct cec_msg *msg,
-					 unsigned int la_idx)
-{
-	const struct cec_log_addrs *las = &adap->log_addrs;
-	const u8 *features = las->features[la_idx];
-	bool op_is_dev_features = false;
-	unsigned int idx;
-
-	/* Report Features */
-	msg->msg[0] = (las->log_addr[la_idx] << 4) | 0x0f;
-	msg->len = 4;
-	msg->msg[1] = CEC_MSG_REPORT_FEATURES;
-	msg->msg[2] = adap->log_addrs.cec_version;
-	msg->msg[3] = las->all_device_types[la_idx];
-
-	/* Write RC Profiles first, then Device Features */
-	for (idx = 0; idx < ARRAY_SIZE(las->features[0]); idx++) {
-		msg->msg[msg->len++] = features[idx];
-		if ((features[idx] & CEC_OP_FEAT_EXT) == 0) {
-			if (op_is_dev_features)
-				break;
-			op_is_dev_features = true;
-		}
-	}
-}
-
-/* Transmit the Feature Abort message */
-static int cec_feature_abort_reason(struct cec_adapter *adap,
-				    struct cec_msg *msg, u8 reason)
-{
-	struct cec_msg tx_msg = { };
-
-	/*
-	 * Don't reply with CEC_MSG_FEATURE_ABORT to a CEC_MSG_FEATURE_ABORT
-	 * message!
-	 */
-	if (msg->msg[1] == CEC_MSG_FEATURE_ABORT)
-		return 0;
-	/* Don't Feature Abort messages from 'Unregistered' */
-	if (cec_msg_initiator(msg) == CEC_LOG_ADDR_UNREGISTERED)
-		return 0;
-	cec_msg_set_reply_to(&tx_msg, msg);
-	cec_msg_feature_abort(&tx_msg, msg->msg[1], reason);
-	return cec_transmit_msg(adap, &tx_msg, false);
-}
-
-static int cec_feature_abort(struct cec_adapter *adap, struct cec_msg *msg)
-{
-	return cec_feature_abort_reason(adap, msg,
-					CEC_OP_ABORT_UNRECOGNIZED_OP);
-}
-
-static int cec_feature_refused(struct cec_adapter *adap, struct cec_msg *msg)
-{
-	return cec_feature_abort_reason(adap, msg,
-					CEC_OP_ABORT_REFUSED);
-}
-
-/*
- * Called when a CEC message is received. This function will do any
- * necessary core processing. The is_reply bool is true if this message
- * is a reply to an earlier transmit.
- *
- * The message is either a broadcast message or a valid directed message.
- */
-static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
-			      bool is_reply)
-{
-	bool is_broadcast = cec_msg_is_broadcast(msg);
-	u8 dest_laddr = cec_msg_destination(msg);
-	u8 init_laddr = cec_msg_initiator(msg);
-	u8 devtype = cec_log_addr2dev(adap, dest_laddr);
-	int la_idx = cec_log_addr2idx(adap, dest_laddr);
-	bool from_unregistered = init_laddr == 0xf;
-	struct cec_msg tx_cec_msg = { };
-
-	dprintk(2, "%s: %*ph\n", __func__, msg->len, msg->msg);
-
-	/* If this is a CDC-Only device, then ignore any non-CDC messages */
-	if (cec_is_cdc_only(&adap->log_addrs) &&
-	    msg->msg[1] != CEC_MSG_CDC_MESSAGE)
-		return 0;
-
-	if (adap->ops->received) {
-		/* Allow drivers to process the message first */
-		if (adap->ops->received(adap, msg) != -ENOMSG)
-			return 0;
-	}
-
-	/*
-	 * REPORT_PHYSICAL_ADDR, CEC_MSG_USER_CONTROL_PRESSED and
-	 * CEC_MSG_USER_CONTROL_RELEASED messages always have to be
-	 * handled by the CEC core, even if the passthrough mode is on.
-	 * The others are just ignored if passthrough mode is on.
-	 */
-	switch (msg->msg[1]) {
-	case CEC_MSG_GET_CEC_VERSION:
-	case CEC_MSG_ABORT:
-	case CEC_MSG_GIVE_DEVICE_POWER_STATUS:
-	case CEC_MSG_GIVE_OSD_NAME:
-		/*
-		 * These messages reply with a directed message, so ignore if
-		 * the initiator is Unregistered.
-		 */
-		if (!adap->passthrough && from_unregistered)
-			return 0;
-		/* Fall through */
-	case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
-	case CEC_MSG_GIVE_FEATURES:
-	case CEC_MSG_GIVE_PHYSICAL_ADDR:
-		/*
-		 * Skip processing these messages if the passthrough mode
-		 * is on.
-		 */
-		if (adap->passthrough)
-			goto skip_processing;
-		/* Ignore if addressing is wrong */
-		if (is_broadcast)
-			return 0;
-		break;
-
-	case CEC_MSG_USER_CONTROL_PRESSED:
-	case CEC_MSG_USER_CONTROL_RELEASED:
-		/* Wrong addressing mode: don't process */
-		if (is_broadcast || from_unregistered)
-			goto skip_processing;
-		break;
-
-	case CEC_MSG_REPORT_PHYSICAL_ADDR:
-		/*
-		 * This message is always processed, regardless of the
-		 * passthrough setting.
-		 *
-		 * Exception: don't process if wrong addressing mode.
-		 */
-		if (!is_broadcast)
-			goto skip_processing;
-		break;
-
-	default:
-		break;
-	}
-
-	cec_msg_set_reply_to(&tx_cec_msg, msg);
-
-	switch (msg->msg[1]) {
-	/* The following messages are processed but still passed through */
-	case CEC_MSG_REPORT_PHYSICAL_ADDR: {
-		u16 pa = (msg->msg[2] << 8) | msg->msg[3];
-
-		if (!from_unregistered)
-			adap->phys_addrs[init_laddr] = pa;
-		dprintk(1, "reported physical address %x.%x.%x.%x for logical address %d\n",
-			cec_phys_addr_exp(pa), init_laddr);
-		break;
-	}
-
-	case CEC_MSG_USER_CONTROL_PRESSED:
-		if (!(adap->capabilities & CEC_CAP_RC) ||
-		    !(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
-			break;
-
-#ifdef CONFIG_MEDIA_CEC_RC
-		switch (msg->msg[2]) {
-		/*
-		 * Play function, this message can have variable length
-		 * depending on the specific play function that is used.
-		 */
-		case CEC_OP_UI_CMD_PLAY_FUNCTION:
-			if (msg->len == 2)
-				rc_keydown(adap->rc, RC_PROTO_CEC,
-					   msg->msg[2], 0);
-			else
-				rc_keydown(adap->rc, RC_PROTO_CEC,
-					   msg->msg[2] << 8 | msg->msg[3], 0);
-			break;
-		/*
-		 * Other function messages that are not handled.
-		 * Currently the RC framework does not allow to supply an
-		 * additional parameter to a keypress. These "keys" contain
-		 * other information such as channel number, an input number
-		 * etc.
-		 * For the time being these messages are not processed by the
-		 * framework and are simply forwarded to the user space.
-		 */
-		case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
-		case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
-		case CEC_OP_UI_CMD_TUNE_FUNCTION:
-		case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
-		case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
-		case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
-			break;
-		default:
-			rc_keydown(adap->rc, RC_PROTO_CEC, msg->msg[2], 0);
-			break;
-		}
-#endif
-		break;
-
-	case CEC_MSG_USER_CONTROL_RELEASED:
-		if (!(adap->capabilities & CEC_CAP_RC) ||
-		    !(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
-			break;
-#ifdef CONFIG_MEDIA_CEC_RC
-		rc_keyup(adap->rc);
-#endif
-		break;
-
-	/*
-	 * The remaining messages are only processed if the passthrough mode
-	 * is off.
-	 */
-	case CEC_MSG_GET_CEC_VERSION:
-		cec_msg_cec_version(&tx_cec_msg, adap->log_addrs.cec_version);
-		return cec_transmit_msg(adap, &tx_cec_msg, false);
-
-	case CEC_MSG_GIVE_PHYSICAL_ADDR:
-		/* Do nothing for CEC switches using addr 15 */
-		if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH && dest_laddr == 15)
-			return 0;
-		cec_msg_report_physical_addr(&tx_cec_msg, adap->phys_addr, devtype);
-		return cec_transmit_msg(adap, &tx_cec_msg, false);
-
-	case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
-		if (adap->log_addrs.vendor_id == CEC_VENDOR_ID_NONE)
-			return cec_feature_abort(adap, msg);
-		cec_msg_device_vendor_id(&tx_cec_msg, adap->log_addrs.vendor_id);
-		return cec_transmit_msg(adap, &tx_cec_msg, false);
-
-	case CEC_MSG_ABORT:
-		/* Do nothing for CEC switches */
-		if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH)
-			return 0;
-		return cec_feature_refused(adap, msg);
-
-	case CEC_MSG_GIVE_OSD_NAME: {
-		if (adap->log_addrs.osd_name[0] == 0)
-			return cec_feature_abort(adap, msg);
-		cec_msg_set_osd_name(&tx_cec_msg, adap->log_addrs.osd_name);
-		return cec_transmit_msg(adap, &tx_cec_msg, false);
-	}
-
-	case CEC_MSG_GIVE_FEATURES:
-		if (adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0)
-			return cec_feature_abort(adap, msg);
-		cec_fill_msg_report_features(adap, &tx_cec_msg, la_idx);
-		return cec_transmit_msg(adap, &tx_cec_msg, false);
-
-	default:
-		/*
-		 * Unprocessed messages are aborted if userspace isn't doing
-		 * any processing either.
-		 */
-		if (!is_broadcast && !is_reply && !adap->follower_cnt &&
-		    !adap->cec_follower && msg->msg[1] != CEC_MSG_FEATURE_ABORT)
-			return cec_feature_abort(adap, msg);
-		break;
-	}
-
-skip_processing:
-	/* If this was a reply, then we're done, unless otherwise specified */
-	if (is_reply && !(msg->flags & CEC_MSG_FL_REPLY_TO_FOLLOWERS))
-		return 0;
-
-	/*
-	 * Send to the exclusive follower if there is one, otherwise send
-	 * to all followers.
-	 */
-	if (adap->cec_follower)
-		cec_queue_msg_fh(adap->cec_follower, msg);
-	else
-		cec_queue_msg_followers(adap, msg);
-	return 0;
-}
-
-/*
- * Helper functions to keep track of the 'monitor all' use count.
- *
- * These functions are called with adap->lock held.
- */
-int cec_monitor_all_cnt_inc(struct cec_adapter *adap)
-{
-	int ret = 0;
-
-	if (adap->monitor_all_cnt == 0)
-		ret = call_op(adap, adap_monitor_all_enable, 1);
-	if (ret == 0)
-		adap->monitor_all_cnt++;
-	return ret;
-}
-
-void cec_monitor_all_cnt_dec(struct cec_adapter *adap)
-{
-	adap->monitor_all_cnt--;
-	if (adap->monitor_all_cnt == 0)
-		WARN_ON(call_op(adap, adap_monitor_all_enable, 0));
-}
-
-/*
- * Helper functions to keep track of the 'monitor pin' use count.
- *
- * These functions are called with adap->lock held.
- */
-int cec_monitor_pin_cnt_inc(struct cec_adapter *adap)
-{
-	int ret = 0;
-
-	if (adap->monitor_pin_cnt == 0)
-		ret = call_op(adap, adap_monitor_pin_enable, 1);
-	if (ret == 0)
-		adap->monitor_pin_cnt++;
-	return ret;
-}
-
-void cec_monitor_pin_cnt_dec(struct cec_adapter *adap)
-{
-	adap->monitor_pin_cnt--;
-	if (adap->monitor_pin_cnt == 0)
-		WARN_ON(call_op(adap, adap_monitor_pin_enable, 0));
-}
-
-#ifdef CONFIG_DEBUG_FS
-/*
- * Log the current state of the CEC adapter.
- * Very useful for debugging.
- */
-int cec_adap_status(struct seq_file *file, void *priv)
-{
-	struct cec_adapter *adap = dev_get_drvdata(file->private);
-	struct cec_data *data;
-
-	mutex_lock(&adap->lock);
-	seq_printf(file, "configured: %d\n", adap->is_configured);
-	seq_printf(file, "configuring: %d\n", adap->is_configuring);
-	seq_printf(file, "phys_addr: %x.%x.%x.%x\n",
-		   cec_phys_addr_exp(adap->phys_addr));
-	seq_printf(file, "number of LAs: %d\n", adap->log_addrs.num_log_addrs);
-	seq_printf(file, "LA mask: 0x%04x\n", adap->log_addrs.log_addr_mask);
-	if (adap->cec_follower)
-		seq_printf(file, "has CEC follower%s\n",
-			   adap->passthrough ? " (in passthrough mode)" : "");
-	if (adap->cec_initiator)
-		seq_puts(file, "has CEC initiator\n");
-	if (adap->monitor_all_cnt)
-		seq_printf(file, "file handles in Monitor All mode: %u\n",
-			   adap->monitor_all_cnt);
-	if (adap->tx_timeouts) {
-		seq_printf(file, "transmit timeouts: %u\n",
-			   adap->tx_timeouts);
-		adap->tx_timeouts = 0;
-	}
-	data = adap->transmitting;
-	if (data)
-		seq_printf(file, "transmitting message: %*ph (reply: %02x, timeout: %ums)\n",
-			   data->msg.len, data->msg.msg, data->msg.reply,
-			   data->msg.timeout);
-	seq_printf(file, "pending transmits: %u\n", adap->transmit_queue_sz);
-	list_for_each_entry(data, &adap->transmit_queue, list) {
-		seq_printf(file, "queued tx message: %*ph (reply: %02x, timeout: %ums)\n",
-			   data->msg.len, data->msg.msg, data->msg.reply,
-			   data->msg.timeout);
-	}
-	list_for_each_entry(data, &adap->wait_queue, list) {
-		seq_printf(file, "message waiting for reply: %*ph (reply: %02x, timeout: %ums)\n",
-			   data->msg.len, data->msg.msg, data->msg.reply,
-			   data->msg.timeout);
-	}
-
-	call_void_op(adap, adap_status, file);
-	mutex_unlock(&adap->lock);
-	return 0;
-}
-#endif