Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / drivers / media / dvb / siano / smsir.c
blob37bc5c4b8ad87541e568a3c968635d0b8a289318
1 /****************************************************************
3 Siano Mobile Silicon, Inc.
4 MDTV receiver kernel modules.
5 Copyright (C) 2006-2009, Uri Shkolnik
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
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.
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.
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/>.
25 ****************************************************************/
28 #include <linux/types.h>
29 #include <linux/input.h>
31 #include "smscoreapi.h"
32 #include "smsir.h"
33 #include "sms-cards.h"
35 #define MODULE_NAME "smsmdtv"
37 void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
39 int i;
40 const s32 *samples = (const void *)buf;
42 for (i = 0; i < len >> 2; i++) {
43 DEFINE_IR_RAW_EVENT(ev);
45 ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
46 ev.pulse = (samples[i] > 0) ? false : true;
48 ir_raw_event_store(coredev->ir.dev, &ev);
50 ir_raw_event_handle(coredev->ir.dev);
53 int sms_ir_init(struct smscore_device_t *coredev)
55 int err;
56 int board_id = smscore_get_board_id(coredev);
57 struct rc_dev *dev;
59 sms_log("Allocating rc device");
60 dev = rc_allocate_device();
61 if (!dev) {
62 sms_err("Not enough memory");
63 return -ENOMEM;
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);
71 snprintf(coredev->ir.name, sizeof(coredev->ir.name),
72 "SMS IR (%s)", sms_get_board(board_id)->name);
74 strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
75 strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
77 dev->input_name = coredev->ir.name;
78 dev->input_phys = coredev->ir.phys;
79 dev->dev.parent = coredev->device;
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
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;
95 sms_log("Input device (IR) %s is set for key events", dev->input_name);
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;
104 coredev->ir.dev = dev;
105 return 0;
108 void sms_ir_exit(struct smscore_device_t *coredev)
110 if (coredev->ir.dev)
111 rc_unregister_device(coredev->ir.dev);
113 sms_log("");