X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fmedia%2Frc%2Frc-raw.c;h=ab9b1e4071c037b8ff81a66c473fbc83d05bb351;hb=d8b4b5822f51e2142b731b42c81e3f03eec475b2;hp=d6c556e3f0d85c51d1850815ed49695c91acafcc;hpb=4c7b355df6e7f05304e05f6b7a286e59a5f1cc54;p=deliverable%2Flinux.git

diff --git a/drivers/media/rc/rc-raw.c b/drivers/media/rc/rc-raw.c
index d6c556e3f0d8..ab9b1e4071c0 100644
--- a/drivers/media/rc/rc-raw.c
+++ b/drivers/media/rc/rc-raw.c
@@ -64,7 +64,7 @@ static int ir_raw_event_thread(void *data)
 
 		mutex_lock(&ir_raw_handler_lock);
 		list_for_each_entry(handler, &ir_raw_handler_list, list)
-			handler->decode(raw->input_dev, ev);
+			handler->decode(raw->dev, ev);
 		raw->prev_ev = ev;
 		mutex_unlock(&ir_raw_handler_lock);
 	}
@@ -74,7 +74,7 @@ static int ir_raw_event_thread(void *data)
 
 /**
  * ir_raw_event_store() - pass a pulse/space duration to the raw ir decoders
- * @input_dev:	the struct input_dev device descriptor
+ * @dev:	the struct rc_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
@@ -82,17 +82,15 @@ static int ir_raw_event_thread(void *data)
  * 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)
+int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev)
 {
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
-
-	if (!ir->raw)
+	if (!dev->raw)
 		return -EINVAL;
 
 	IR_dprintk(2, "sample: (%05dus %s)\n",
-		TO_US(ev->duration), TO_STR(ev->pulse));
+		   TO_US(ev->duration), TO_STR(ev->pulse));
 
-	if (kfifo_in(&ir->raw->kfifo, ev, sizeof(*ev)) != sizeof(*ev))
+	if (kfifo_in(&dev->raw->kfifo, ev, sizeof(*ev)) != sizeof(*ev))
 		return -ENOMEM;
 
 	return 0;
@@ -101,7 +99,7 @@ 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
+ * @dev:	the struct rc_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
@@ -110,50 +108,49 @@ EXPORT_SYMBOL_GPL(ir_raw_event_store);
  * 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)
+int ir_raw_event_store_edge(struct rc_dev *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)
+	if (!dev->raw)
 		return -EINVAL;
 
 	now = ktime_get();
-	delta = ktime_to_ns(ktime_sub(now, ir->raw->last_event));
+	delta = ktime_to_ns(ktime_sub(now, dev->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)
+	if (delta > IR_MAX_DURATION || !dev->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) {
+		ir_raw_event_reset(dev);
+	else if (dev->raw->last_type & IR_SPACE) {
 		ev.pulse = false;
-		rc = ir_raw_event_store(input_dev, &ev);
-	} else if (ir->raw->last_type & IR_PULSE) {
+		rc = ir_raw_event_store(dev, &ev);
+	} else if (dev->raw->last_type & IR_PULSE) {
 		ev.pulse = true;
-		rc = ir_raw_event_store(input_dev, &ev);
+		rc = ir_raw_event_store(dev, &ev);
 	} else
 		return 0;
 
-	ir->raw->last_event = now;
-	ir->raw->last_type = type;
+	dev->raw->last_event = now;
+	dev->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
+ * @dev:	the struct rc_dev device descriptor
  * @type:	the type of the event that has occurred
  *
  * This routine (which may be called from an interrupt context) works
@@ -161,84 +158,76 @@ EXPORT_SYMBOL_GPL(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)
+int ir_raw_event_store_with_filter(struct rc_dev *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)
+	if (!dev->raw)
 		return -EINVAL;
 
 	/* Ignore spaces in idle mode */
-	if (ir->idle && !ev->pulse)
+	if (dev->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;
+	else if (dev->idle)
+		ir_raw_event_set_idle(dev, false);
+
+	if (!dev->raw->this_ev.duration)
+		dev->raw->this_ev = *ev;
+	else if (ev->pulse == dev->raw->this_ev.pulse)
+		dev->raw->this_ev.duration += ev->duration;
+	else {
+		ir_raw_event_store(dev, &dev->raw->this_ev);
+		dev->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);
-	}
+	if (!ev->pulse && dev->timeout &&
+	    dev->raw->this_ev.duration >= dev->timeout)
+		ir_raw_event_set_idle(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
+ * ir_raw_event_set_idle() - provide hint to rc-core when the device is idle or not
+ * @dev:	the struct rc_dev device descriptor
+ * @idle:	whether the device is idle or not
  */
-void ir_raw_event_set_idle(struct input_dev *input_dev, bool idle)
+void ir_raw_event_set_idle(struct rc_dev *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)
+	if (!dev->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);
+		dev->raw->this_ev.timeout = true;
+		ir_raw_event_store(dev, &dev->raw->this_ev);
+		init_ir_raw_event(&dev->raw->this_ev);
 	}
 
-	if (ir->props->s_idle)
-		ir->props->s_idle(ir->props->priv, idle);
-	ir->idle = idle;
+	if (dev->s_idle)
+		dev->s_idle(dev, idle);
+
+	dev->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
+ * @dev:	the struct rc_dev device descriptor
  *
- * This routine will signal the workqueue to start decoding stored ir data.
+ * This routine will tell rc-core to start decoding stored ir data.
  */
-void ir_raw_event_handle(struct input_dev *input_dev)
+void ir_raw_event_handle(struct rc_dev *dev)
 {
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
 	unsigned long flags;
 
-	if (!ir->raw)
+	if (!dev->raw)
 		return;
 
-	spin_lock_irqsave(&ir->raw->lock, flags);
-	wake_up_process(ir->raw->thread);
-	spin_unlock_irqrestore(&ir->raw->lock, flags);
+	spin_lock_irqsave(&dev->raw->lock, flags);
+	wake_up_process(dev->raw->thread);
+	spin_unlock_irqrestore(&dev->raw->lock, flags);
 }
 EXPORT_SYMBOL_GPL(ir_raw_event_handle);
 
@@ -256,69 +245,69 @@ ir_raw_get_allowed_protocols()
 /*
  * Used to (un)register raw event clients
  */
-int ir_raw_event_register(struct input_dev *input_dev)
+int ir_raw_event_register(struct rc_dev *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;
+	if (!dev)
+		return -EINVAL;
 
-	ir->raw->input_dev = input_dev;
+	dev->raw = kzalloc(sizeof(*dev->raw), GFP_KERNEL);
+	if (!dev->raw)
+		return -ENOMEM;
 
-	ir->raw->enabled_protocols = ~0;
-	rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE,
+	dev->raw->dev = dev;
+	dev->raw->enabled_protocols = ~0;
+	rc = kfifo_alloc(&dev->raw->kfifo,
+			 sizeof(struct ir_raw_event) * MAX_IR_EVENT_SIZE,
 			 GFP_KERNEL);
-	if (rc < 0) {
-		kfree(ir->raw);
-		ir->raw = NULL;
-		return rc;
-	}
+	if (rc < 0)
+		goto out;
 
-	spin_lock_init(&ir->raw->lock);
-	ir->raw->thread = kthread_run(ir_raw_event_thread, ir->raw,
-			"rc%u",  (unsigned int)ir->devno);
+	spin_lock_init(&dev->raw->lock);
+	dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw,
+				       "rc%ld", dev->devno);
 
-	if (IS_ERR(ir->raw->thread)) {
-		int ret = PTR_ERR(ir->raw->thread);
-
-		kfree(ir->raw);
-		ir->raw = NULL;
-		return ret;
+	if (IS_ERR(dev->raw->thread)) {
+		rc = PTR_ERR(dev->raw->thread);
+		goto out;
 	}
 
 	mutex_lock(&ir_raw_handler_lock);
-	list_add_tail(&ir->raw->list, &ir_raw_client_list);
+	list_add_tail(&dev->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);
+			handler->raw_register(dev);
 	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
+
+out:
+	kfree(dev->raw);
+	dev->raw = NULL;
+	return rc;
 }
 
-void ir_raw_event_unregister(struct input_dev *input_dev)
+void ir_raw_event_unregister(struct rc_dev *dev)
 {
-	struct ir_input_dev *ir = input_get_drvdata(input_dev);
 	struct ir_raw_handler *handler;
 
-	if (!ir->raw)
+	if (!dev || !dev->raw)
 		return;
 
-	kthread_stop(ir->raw->thread);
+	kthread_stop(dev->raw->thread);
 
 	mutex_lock(&ir_raw_handler_lock);
-	list_del(&ir->raw->list);
+	list_del(&dev->raw->list);
 	list_for_each_entry(handler, &ir_raw_handler_list, list)
 		if (handler->raw_unregister)
-			handler->raw_unregister(ir->raw->input_dev);
+			handler->raw_unregister(dev);
 	mutex_unlock(&ir_raw_handler_lock);
 
-	kfifo_free(&ir->raw->kfifo);
-	kfree(ir->raw);
-	ir->raw = NULL;
+	kfifo_free(&dev->raw->kfifo);
+	kfree(dev->raw);
+	dev->raw = NULL;
 }
 
 /*
@@ -333,7 +322,7 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
 	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);
+			ir_raw_handler->raw_register(raw->dev);
 	available_protocols |= ir_raw_handler->protocols;
 	mutex_unlock(&ir_raw_handler_lock);
 
@@ -349,7 +338,7 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
 	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);
+			ir_raw_handler->raw_unregister(raw->dev);
 	available_protocols &= ~ir_raw_handler->protocols;
 	mutex_unlock(&ir_raw_handler_lock);
 }