text: /****************************************************************
  
   Siano Mobile Silicon, Inc.
   MDTV receiver kernel modules.
   Copyright (C) 2006-2009, Uri Shkolnik
  
   Copyright (c) 2010 - Mauro Carvalho Chehab
  	- Ported the driver to use rc-core
  	- IR raw event decoding is now done at rc-core
  	- Code almost re-written
  
   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, either version 2 of the License, or
   (at your option) any later version.
  
   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.
  
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
   ****************************************************************/
  
  
  #include <linux/types.h>
  #include <linux/input.h>
  
  #include "smscoreapi.h"
  #include "smsir.h"
  #include "sms-cards.h"
  
  #define MODULE_NAME "smsmdtv"
  
  void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
  {
  	int i;
  	const s32 *samples = (const void *)buf;
  
  	for (i = 0; i < len >> 2; i++) {
  		struct ir_raw_event ev;
  
  		ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
  		ev.pulse = (samples[i] > 0) ? false : true;
  
  		ir_raw_event_store(coredev->ir.input_dev, &ev);
  	}
  	ir_raw_event_handle(coredev->ir.input_dev);
  }
  
  int sms_ir_init(struct smscore_device_t *coredev)
  {
  	struct input_dev *input_dev;
  	int board_id = smscore_get_board_id(coredev);
  
  	sms_log("Allocating input device");
  	input_dev = input_allocate_device();
  	if (!input_dev)	{
  		sms_err("Not enough memory");
  		return -ENOMEM;
  	}
  
  	coredev->ir.input_dev = input_dev;
  
  	coredev->ir.controller = 0;	/* Todo: vega/nova SPI number */
  	coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
  	sms_log("IR port %d, timeout %d ms",
  			coredev->ir.controller, coredev->ir.timeout);
  
  	snprintf(coredev->ir.name, sizeof(coredev->ir.name),
  		 "SMS IR (%s)", sms_get_board(board_id)->name);
  
  	strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
  	strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
  
  	input_dev->name = coredev->ir.name;
  	input_dev->phys = coredev->ir.phys;
  	input_dev->dev.parent = coredev->device;
  
  
  	coredev->ir.props.priv = coredev;
  	coredev->ir.props.driver_type = RC_DRIVER_IR_RAW;
  	coredev->ir.props.allowed_protos = IR_TYPE_ALL;
  
  	sms_log("Input device (IR) %s is set for key events", input_dev->name);
  
  	if (ir_input_register(input_dev, sms_get_board(board_id)->rc_codes,
  			      &coredev->ir.props, MODULE_NAME)) {
  		sms_err("Failed to register device");
  		input_free_device(input_dev);
  		return -EACCES;
  	}
  
  	return 0;
  }
  
  void sms_ir_exit(struct smscore_device_t *coredev)
  {
  	if (coredev->ir.input_dev)
  		ir_input_unregister(coredev->ir.input_dev);
  
  	sms_log("");
  }
  