[media] rename drivers/media/IR to drives/media/rc

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 382 deletions

diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c
deleted file mode 100644
index a06a07e4e0b1..000000000000
--- a/drivers/media/IR/ir-raw-event.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/* ir-raw-event.c - handle IR Pulse/Space event
- *
- * Copyright (C) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation version 2 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- */
-
-#include <linux/kthread.h>
-#include <linux/mutex.h>
-#include <linux/sched.h>
-#include <linux/freezer.h>
-#include "ir-core-priv.h"
-
-/* Define the max number of pulse/space transitions to buffer */
-#define MAX_IR_EVENT_SIZE      512
-
-/* Used to keep track of IR raw clients, protected by ir_raw_handler_lock */
-static LIST_HEAD(ir_raw_client_list);
-
-/* Used to handle IR raw handler extensions */
-static DEFINE_MUTEX(ir_raw_handler_lock);
-static LIST_HEAD(ir_raw_handler_list);
-static u64 available_protocols;
-
-#ifdef MODULE
-/* Used to load the decoders */
-static struct work_struct wq_load;
-#endif
-
-static int ir_raw_event_thread(void *data)
-{
-	struct ir_raw_event ev;
-	struct ir_raw_handler *handler;
-	struct ir_raw_event_ctrl *raw = (struct ir_raw_event_ctrl *)data;
-	int retval;
-
-	while (!kthread_should_stop()) {
-
-		spin_lock_irq(&raw->lock);
-		retval = kfifo_out(&raw->kfifo, &ev, sizeof(ev));
-
-		if (!retval) {
-			set_current_state(TASK_INTERRUPTIBLE);
-
-			if (kthread_should_stop())
-				set_current_state(TASK_RUNNING);
-
-			spin_unlock_irq(&raw->lock);
-			schedule();
-			continue;
-		}
-
-		spin_unlock_irq(&raw->lock);
-
-
-		BUG_ON(retval != sizeof(ev));
-
-		mutex_lock(&ir_raw_handler_lock);
-		list_for_each_entry(handler, &ir_raw_handler_list, list)
-			handler->decode(raw->input_dev, ev);
-		raw->prev_ev = ev;
-		mutex_unlock(&ir_raw_handler_lock);
-	}
-
-	return 0;
-}
-
-/**
- * ir_raw_event_store() - pass a pulse/space duration to the raw ir decoders
- * @input_dev:	the struct input_dev device descriptor
- * @ev:		the struct ir_raw_event descriptor of the pulse/space
- *
- * This routine (which may be called from an interrupt context) stores a
- * pulse/space duration for the raw ir decoding state machines. Pulses are
- * signalled as positive values and spaces as negative values. A zero value
- * will reset the decoding state machines.
- */
-int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-
-	if (!ir->raw)
-		return -EINVAL;
-
-	IR_dprintk(2, "sample: (%05dus %s)\n",
-		TO_US(ev->duration), TO_STR(ev->pulse));
-
-	if (kfifo_in(&ir->raw->kfifo, ev, sizeof(*ev)) != sizeof(*ev))
-		return -ENOMEM;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ir_raw_event_store);
-
-/**
- * ir_raw_event_store_edge() - notify raw ir decoders of the start of a pulse/space
- * @input_dev:	the struct input_dev device descriptor
- * @type:	the type of the event that has occurred
- *
- * This routine (which may be called from an interrupt context) is used to
- * store the beginning of an ir pulse or space (or the start/end of ir
- * reception) for the raw ir decoding state machines. This is used by
- * hardware which does not provide durations directly but only interrupts
- * (or similar events) on state change.
- */
-int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type)
-{
-	struct ir_input_dev	*ir = input_get_drvdata(input_dev);
-	ktime_t			now;
-	s64			delta; /* ns */
-	struct ir_raw_event	ev;
-	int			rc = 0;
-
-	if (!ir->raw)
-		return -EINVAL;
-
-	now = ktime_get();
-	delta = ktime_to_ns(ktime_sub(now, ir->raw->last_event));
-
-	/* Check for a long duration since last event or if we're
-	 * being called for the first time, note that delta can't
-	 * possibly be negative.
-	 */
-	ev.duration = 0;
-	if (delta > IR_MAX_DURATION || !ir->raw->last_type)
-		type |= IR_START_EVENT;
-	else
-		ev.duration = delta;
-
-	if (type & IR_START_EVENT)
-		ir_raw_event_reset(input_dev);
-	else if (ir->raw->last_type & IR_SPACE) {
-		ev.pulse = false;
-		rc = ir_raw_event_store(input_dev, &ev);
-	} else if (ir->raw->last_type & IR_PULSE) {
-		ev.pulse = true;
-		rc = ir_raw_event_store(input_dev, &ev);
-	} else
-		return 0;
-
-	ir->raw->last_event = now;
-	ir->raw->last_type = type;
-	return rc;
-}
-EXPORT_SYMBOL_GPL(ir_raw_event_store_edge);
-
-/**
- * ir_raw_event_store_with_filter() - pass next pulse/space to decoders with some processing
- * @input_dev:	the struct input_dev device descriptor
- * @type:	the type of the event that has occurred
- *
- * This routine (which may be called from an interrupt context) works
- * in similiar manner to ir_raw_event_store_edge.
- * This routine is intended for devices with limited internal buffer
- * It automerges samples of same type, and handles timeouts
- */
-int ir_raw_event_store_with_filter(struct input_dev *input_dev,
-						struct ir_raw_event *ev)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-	struct ir_raw_event_ctrl *raw = ir->raw;
-
-	if (!raw || !ir->props)
-		return -EINVAL;
-
-	/* Ignore spaces in idle mode */
-	if (ir->idle && !ev->pulse)
-		return 0;
-	else if (ir->idle)
-		ir_raw_event_set_idle(input_dev, false);
-
-	if (!raw->this_ev.duration) {
-		raw->this_ev = *ev;
-	} else if (ev->pulse == raw->this_ev.pulse) {
-		raw->this_ev.duration += ev->duration;
-	} else {
-		ir_raw_event_store(input_dev, &raw->this_ev);
-		raw->this_ev = *ev;
-	}
-
-	/* Enter idle mode if nessesary */
-	if (!ev->pulse && ir->props->timeout &&
-		raw->this_ev.duration >= ir->props->timeout) {
-		ir_raw_event_set_idle(input_dev, true);
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter);
-
-/**
- * ir_raw_event_set_idle() - hint the ir core if device is receiving
- * IR data or not
- * @input_dev: the struct input_dev device descriptor
- * @idle: the hint value
- */
-void ir_raw_event_set_idle(struct input_dev *input_dev, bool idle)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-	struct ir_raw_event_ctrl *raw = ir->raw;
-
-	if (!ir->props || !ir->raw)
-		return;
-
-	IR_dprintk(2, "%s idle mode\n", idle ? "enter" : "leave");
-
-	if (idle) {
-		raw->this_ev.timeout = true;
-		ir_raw_event_store(input_dev, &raw->this_ev);
-		init_ir_raw_event(&raw->this_ev);
-	}
-
-	if (ir->props->s_idle)
-		ir->props->s_idle(ir->props->priv, idle);
-	ir->idle = idle;
-}
-EXPORT_SYMBOL_GPL(ir_raw_event_set_idle);
-
-/**
- * ir_raw_event_handle() - schedules the decoding of stored ir data
- * @input_dev:	the struct input_dev device descriptor
- *
- * This routine will signal the workqueue to start decoding stored ir data.
- */
-void ir_raw_event_handle(struct input_dev *input_dev)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-	unsigned long flags;
-
-	if (!ir->raw)
-		return;
-
-	spin_lock_irqsave(&ir->raw->lock, flags);
-	wake_up_process(ir->raw->thread);
-	spin_unlock_irqrestore(&ir->raw->lock, flags);
-}
-EXPORT_SYMBOL_GPL(ir_raw_event_handle);
-
-/* used internally by the sysfs interface */
-u64
-ir_raw_get_allowed_protocols()
-{
-	u64 protocols;
-	mutex_lock(&ir_raw_handler_lock);
-	protocols = available_protocols;
-	mutex_unlock(&ir_raw_handler_lock);
-	return protocols;
-}
-
-/*
- * Used to (un)register raw event clients
- */
-int ir_raw_event_register(struct input_dev *input_dev)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-	int rc;
-	struct ir_raw_handler *handler;
-
-	ir->raw = kzalloc(sizeof(*ir->raw), GFP_KERNEL);
-	if (!ir->raw)
-		return -ENOMEM;
-
-	ir->raw->input_dev = input_dev;
-
-	ir->raw->enabled_protocols = ~0;
-	rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE,
-			 GFP_KERNEL);
-	if (rc < 0) {
-		kfree(ir->raw);
-		ir->raw = NULL;
-		return rc;
-	}
-
-	spin_lock_init(&ir->raw->lock);
-	ir->raw->thread = kthread_run(ir_raw_event_thread, ir->raw,
-			"rc%u",  (unsigned int)ir->devno);
-
-	if (IS_ERR(ir->raw->thread)) {
-		int ret = PTR_ERR(ir->raw->thread);
-
-		kfree(ir->raw);
-		ir->raw = NULL;
-		return ret;
-	}
-
-	mutex_lock(&ir_raw_handler_lock);
-	list_add_tail(&ir->raw->list, &ir_raw_client_list);
-	list_for_each_entry(handler, &ir_raw_handler_list, list)
-		if (handler->raw_register)
-			handler->raw_register(ir->raw->input_dev);
-	mutex_unlock(&ir_raw_handler_lock);
-
-	return 0;
-}
-
-void ir_raw_event_unregister(struct input_dev *input_dev)
-{
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-	struct ir_raw_handler *handler;
-
-	if (!ir->raw)
-		return;
-
-	kthread_stop(ir->raw->thread);
-
-	mutex_lock(&ir_raw_handler_lock);
-	list_del(&ir->raw->list);
-	list_for_each_entry(handler, &ir_raw_handler_list, list)
-		if (handler->raw_unregister)
-			handler->raw_unregister(ir->raw->input_dev);
-	mutex_unlock(&ir_raw_handler_lock);
-
-	kfifo_free(&ir->raw->kfifo);
-	kfree(ir->raw);
-	ir->raw = NULL;
-}
-
-/*
- * Extension interface - used to register the IR decoders
- */
-
-int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
-{
-	struct ir_raw_event_ctrl *raw;
-
-	mutex_lock(&ir_raw_handler_lock);
-	list_add_tail(&ir_raw_handler->list, &ir_raw_handler_list);
-	if (ir_raw_handler->raw_register)
-		list_for_each_entry(raw, &ir_raw_client_list, list)
-			ir_raw_handler->raw_register(raw->input_dev);
-	available_protocols |= ir_raw_handler->protocols;
-	mutex_unlock(&ir_raw_handler_lock);
-
-	return 0;
-}
-EXPORT_SYMBOL(ir_raw_handler_register);
-
-void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
-{
-	struct ir_raw_event_ctrl *raw;
-
-	mutex_lock(&ir_raw_handler_lock);
-	list_del(&ir_raw_handler->list);
-	if (ir_raw_handler->raw_unregister)
-		list_for_each_entry(raw, &ir_raw_client_list, list)
-			ir_raw_handler->raw_unregister(raw->input_dev);
-	available_protocols &= ~ir_raw_handler->protocols;
-	mutex_unlock(&ir_raw_handler_lock);
-}
-EXPORT_SYMBOL(ir_raw_handler_unregister);
-
-#ifdef MODULE
-static void init_decoders(struct work_struct *work)
-{
-	/* Load the decoder modules */
-
-	load_nec_decode();
-	load_rc5_decode();
-	load_rc6_decode();
-	load_jvc_decode();
-	load_sony_decode();
-	load_lirc_codec();
-
-	/* If needed, we may later add some init code. In this case,
-	   it is needed to change the CONFIG_MODULE test at ir-core.h
-	 */
-}
-#endif
-
-void ir_raw_init(void)
-{
-#ifdef MODULE
-	INIT_WORK(&wq_load, init_decoders);
-	schedule_work(&wq_load);
-#endif
-}