1/****************************************************************
  2
  3 Siano Mobile Silicon, Inc.
  4 MDTV receiver kernel modules.
  5 Copyright (C) 2006-2009, Uri Shkolnik
  6
  7 Copyright (c) 2010 - Mauro Carvalho Chehab
  8	- Ported the driver to use rc-core
  9	- IR raw event decoding is now done at rc-core
 10	- Code almost re-written
 11
 12 This program is free software: you can redistribute it and/or modify
 13 it under the terms of the GNU General Public License as published by
 14 the Free Software Foundation, either version 2 of the License, or
 15 (at your option) any later version.
 16
 17 This program is distributed in the hope that it will be useful,
 18 but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 GNU General Public License for more details.
 21
 22 You should have received a copy of the GNU General Public License
 23 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 24
 25 ****************************************************************/
 26
 27
 28#include <linux/types.h>
 29#include <linux/input.h>
 30
 31#include "smscoreapi.h"
 32#include "smsir.h"
 33#include "sms-cards.h"
 34
 35#define MODULE_NAME "smsmdtv"
 36
 37void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
 38{
 39	int i;
 40	const s32 *samples = (const void *)buf;
 41
 42	for (i = 0; i < len >> 2; i++) {
 43		DEFINE_IR_RAW_EVENT(ev);
 44
 45		ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
 46		ev.pulse = (samples[i] > 0) ? false : true;
 47
 48		ir_raw_event_store(coredev->ir.dev, &ev);
 49	}
 50	ir_raw_event_handle(coredev->ir.dev);
 51}
 52
 53int sms_ir_init(struct smscore_device_t *coredev)
 54{
 55	int err;
 56	int board_id = smscore_get_board_id(coredev);
 57	struct rc_dev *dev;
 58
 59	sms_log("Allocating rc device");
 60	dev = rc_allocate_device();
 61	if (!dev) {
 62		sms_err("Not enough memory");
 63		return -ENOMEM;
 64	}
 65
 66	coredev->ir.controller = 0;	/* Todo: vega/nova SPI number */
 67	coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
 68	sms_log("IR port %d, timeout %d ms",
 69			coredev->ir.controller, coredev->ir.timeout);
 70
 71	snprintf(coredev->ir.name, sizeof(coredev->ir.name),
 72		 "SMS IR (%s)", sms_get_board(board_id)->name);
 73
 74	strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
 75	strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
 76
 77	dev->input_name = coredev->ir.name;
 78	dev->input_phys = coredev->ir.phys;
 79	dev->dev.parent = coredev->device;
 80
 81#if 0
 82	/* TODO: properly initialize the parameters bellow */
 83	dev->input_id.bustype = BUS_USB;
 84	dev->input_id.version = 1;
 85	dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
 86	dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
 87#endif
 88
 89	dev->priv = coredev;
 90	dev->driver_type = RC_DRIVER_IR_RAW;
 91	dev->allowed_protos = RC_TYPE_ALL;
 92	dev->map_name = sms_get_board(board_id)->rc_codes;
 93	dev->driver_name = MODULE_NAME;
 94
 95	sms_log("Input device (IR) %s is set for key events", dev->input_name);
 96
 97	err = rc_register_device(dev);
 98	if (err < 0) {
 99		sms_err("Failed to register device");
100		rc_free_device(dev);
101		return err;
102	}
103
104	coredev->ir.dev = dev;
105	return 0;
106}
107
108void sms_ir_exit(struct smscore_device_t *coredev)
109{
110	if (coredev->ir.dev)
111		rc_unregister_device(coredev->ir.dev);
112
113	sms_log("");
114}