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ebb6c22e US |
1 | /**************************************************************** |
2 | ||
3 | Siano Mobile Silicon, Inc. | |
4 | MDTV receiver kernel modules. | |
5 | Copyright (C) 2006-2009, Uri Shkolnik | |
6 | ||
844a9e93 MCC |
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 | ||
ebb6c22e US |
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 | ||
844a9e93 | 35 | #define MODULE_NAME "smsmdtv" |
ebb6c22e | 36 | |
844a9e93 | 37 | void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len) |
ebb6c22e | 38 | { |
ebb6c22e | 39 | int i; |
844a9e93 | 40 | const s32 *samples = (const void *)buf; |
ebb6c22e | 41 | |
844a9e93 | 42 | for (i = 0; i < len >> 2; i++) { |
dc697984 | 43 | DEFINE_IR_RAW_EVENT(ev); |
ebb6c22e | 44 | |
844a9e93 MCC |
45 | ev.duration = abs(samples[i]) * 1000; /* Convert to ns */ |
46 | ev.pulse = (samples[i] > 0) ? false : true; | |
ebb6c22e | 47 | |
d8b4b582 | 48 | ir_raw_event_store(coredev->ir.dev, &ev); |
ebb6c22e | 49 | } |
d8b4b582 | 50 | ir_raw_event_handle(coredev->ir.dev); |
ebb6c22e US |
51 | } |
52 | ||
53 | int sms_ir_init(struct smscore_device_t *coredev) | |
54 | { | |
d8b4b582 | 55 | int err; |
1722f3b3 | 56 | int board_id = smscore_get_board_id(coredev); |
d8b4b582 | 57 | struct rc_dev *dev; |
ebb6c22e | 58 | |
d8b4b582 DH |
59 | sms_log("Allocating rc device"); |
60 | dev = rc_allocate_device(); | |
61 | if (!dev) { | |
ebb6c22e US |
62 | sms_err("Not enough memory"); |
63 | return -ENOMEM; | |
64 | } | |
65 | ||
ebb6c22e US |
66 | coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ |
67 | coredev->ir.timeout = IR_DEFAULT_TIMEOUT; | |
90f944a3 | 68 | sms_log("IR port %d, timeout %d ms", |
ebb6c22e US |
69 | coredev->ir.controller, coredev->ir.timeout); |
70 | ||
844a9e93 MCC |
71 | snprintf(coredev->ir.name, sizeof(coredev->ir.name), |
72 | "SMS IR (%s)", sms_get_board(board_id)->name); | |
1722f3b3 MCC |
73 | |
74 | strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys)); | |
75 | strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys)); | |
76 | ||
d8b4b582 DH |
77 | dev->input_name = coredev->ir.name; |
78 | dev->input_phys = coredev->ir.phys; | |
79 | dev->dev.parent = coredev->device; | |
ebb6c22e | 80 | |
844a9e93 MCC |
81 | #if 0 |
82 | /* TODO: properly initialize the parameters bellow */ | |
d8b4b582 DH |
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); | |
844a9e93 MCC |
87 | #endif |
88 | ||
d8b4b582 DH |
89 | dev->priv = coredev; |
90 | dev->driver_type = RC_DRIVER_IR_RAW; | |
91 | dev->allowed_protos = IR_TYPE_ALL; | |
92 | dev->map_name = sms_get_board(board_id)->rc_codes; | |
93 | dev->driver_name = MODULE_NAME; | |
ebb6c22e | 94 | |
d8b4b582 | 95 | sms_log("Input device (IR) %s is set for key events", dev->input_name); |
ebb6c22e | 96 | |
d8b4b582 DH |
97 | err = rc_register_device(dev); |
98 | if (err < 0) { | |
ebb6c22e | 99 | sms_err("Failed to register device"); |
d8b4b582 DH |
100 | rc_free_device(dev); |
101 | return err; | |
ebb6c22e US |
102 | } |
103 | ||
d8b4b582 | 104 | coredev->ir.dev = dev; |
ebb6c22e US |
105 | return 0; |
106 | } | |
107 | ||
108 | void sms_ir_exit(struct smscore_device_t *coredev) | |
109 | { | |
d8b4b582 DH |
110 | if (coredev->ir.dev) |
111 | rc_unregister_device(coredev->ir.dev); | |
ebb6c22e | 112 | |
90f944a3 | 113 | sms_log(""); |
ebb6c22e | 114 | } |