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}
115