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
sms_ir_event(struct smscore_device_t * coredev,const char * buf,int len)38 void 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
sms_ir_init(struct smscore_device_t * coredev)54 int 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
sms_ir_exit(struct smscore_device_t * coredev)108 void sms_ir_exit(struct smscore_device_t *coredev)
109 {
110 rc_unregister_device(coredev->ir.dev);
111
112 pr_debug("\n");
113 }
114