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 "smscoreapi.h"
29
30#include <linux/types.h>
31#include <linux/input.h>
32
33#include "smsir.h"
34#include "sms-cards.h"
35
36#define MODULE_NAME "smsmdtv"
37
38void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
39{
40	int i;
41	const s32 *samples = (const void *)buf;
42
43	for (i = 0; i < len >> 2; i++) {
44		DEFINE_IR_RAW_EVENT(ev);
45
46		ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
47		ev.pulse = (samples[i] > 0) ? false : true;
48
49		ir_raw_event_store(coredev->ir.dev, &ev);
50	}
51	ir_raw_event_handle(coredev->ir.dev);
52}
53
54int sms_ir_init(struct smscore_device_t *coredev)
55{
56	int err;
57	int board_id = smscore_get_board_id(coredev);
58	struct rc_dev *dev;
59
60	pr_debug("Allocating rc device\n");
61	dev = rc_allocate_device();
62	if (!dev)
63		return -ENOMEM;
64
65	coredev->ir.controller = 0;	/* Todo: vega/nova SPI number */
66	coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
67	pr_debug("IR port %d, timeout %d ms\n",
68			coredev->ir.controller, coredev->ir.timeout);
69
70	snprintf(coredev->ir.name, sizeof(coredev->ir.name),
71		 "SMS IR (%s)", sms_get_board(board_id)->name);
72
73	strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
74	strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
75
76	dev->input_name = coredev->ir.name;
77	dev->input_phys = coredev->ir.phys;
78	dev->dev.parent = coredev->device;
79
80#if 0
81	/* TODO: properly initialize the parameters below */
82	dev->input_id.bustype = BUS_USB;
83	dev->input_id.version = 1;
84	dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
85	dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
86#endif
87
88	dev->priv = coredev;
89	dev->driver_type = RC_DRIVER_IR_RAW;
90	dev->allowed_protocols = RC_BIT_ALL;
91	dev->map_name = sms_get_board(board_id)->rc_codes;
92	dev->driver_name = MODULE_NAME;
93
94	pr_debug("Input device (IR) %s is set for key events\n",
95		 dev->input_name);
96
97	err = rc_register_device(dev);
98	if (err < 0) {
99		pr_err("Failed to register device\n");
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	rc_unregister_device(coredev->ir.dev);
111
112	pr_debug("\n");
113}
114