diff options
Diffstat (limited to 'drivers/media/usb/siano/smsir.c')
-rw-r--r-- | drivers/media/usb/siano/smsir.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/media/usb/siano/smsir.c b/drivers/media/usb/siano/smsir.c new file mode 100644 index 000000000000..37bc5c4b8ad8 --- /dev/null +++ b/drivers/media/usb/siano/smsir.c | |||
@@ -0,0 +1,114 @@ | |||
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 | |||
37 | void 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 | |||
53 | int 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 | |||
108 | void 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 | } | ||