1 | // SPDX-License-Identifier: GPL-2.0+ |
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 | |
13 | #include "smscoreapi.h" |
14 | |
15 | #include <linux/types.h> |
16 | #include <linux/input.h> |
17 | |
18 | #include "smsir.h" |
19 | #include "sms-cards.h" |
20 | |
21 | #define MODULE_NAME "smsmdtv" |
22 | |
23 | void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len) |
24 | { |
25 | int i; |
26 | const s32 *samples = (const void *)buf; |
27 | |
28 | for (i = 0; i < len >> 2; i++) { |
29 | struct ir_raw_event ev = { |
30 | .duration = abs(samples[i]), |
31 | .pulse = (samples[i] > 0) ? false : true |
32 | }; |
33 | |
34 | ir_raw_event_store(dev: coredev->ir.dev, ev: &ev); |
35 | } |
36 | ir_raw_event_handle(dev: coredev->ir.dev); |
37 | } |
38 | |
39 | int sms_ir_init(struct smscore_device_t *coredev) |
40 | { |
41 | int err; |
42 | int board_id = smscore_get_board_id(core: coredev); |
43 | struct rc_dev *dev; |
44 | |
45 | pr_debug("Allocating rc device\n" ); |
46 | dev = rc_allocate_device(RC_DRIVER_IR_RAW); |
47 | if (!dev) |
48 | return -ENOMEM; |
49 | |
50 | coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ |
51 | coredev->ir.timeout = US_TO_NS(IR_DEFAULT_TIMEOUT); |
52 | pr_debug("IR port %d, timeout %d ms\n" , |
53 | coredev->ir.controller, coredev->ir.timeout); |
54 | |
55 | snprintf(buf: coredev->ir.name, size: sizeof(coredev->ir.name), |
56 | fmt: "SMS IR (%s)" , sms_get_board(id: board_id)->name); |
57 | |
58 | strscpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys)); |
59 | strlcat(p: coredev->ir.phys, q: "/ir0" , avail: sizeof(coredev->ir.phys)); |
60 | |
61 | dev->device_name = coredev->ir.name; |
62 | dev->input_phys = coredev->ir.phys; |
63 | dev->dev.parent = coredev->device; |
64 | |
65 | #if 0 |
66 | /* TODO: properly initialize the parameters below */ |
67 | dev->input_id.bustype = BUS_USB; |
68 | dev->input_id.version = 1; |
69 | dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); |
70 | dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct); |
71 | #endif |
72 | |
73 | dev->priv = coredev; |
74 | dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; |
75 | dev->map_name = sms_get_board(id: board_id)->rc_codes; |
76 | dev->driver_name = MODULE_NAME; |
77 | |
78 | pr_debug("Input device (IR) %s is set for key events\n" , |
79 | dev->device_name); |
80 | |
81 | err = rc_register_device(dev); |
82 | if (err < 0) { |
83 | pr_err("Failed to register device\n" ); |
84 | rc_free_device(dev); |
85 | return err; |
86 | } |
87 | |
88 | coredev->ir.dev = dev; |
89 | return 0; |
90 | } |
91 | |
92 | void sms_ir_exit(struct smscore_device_t *coredev) |
93 | { |
94 | rc_unregister_device(dev: coredev->ir.dev); |
95 | |
96 | pr_debug("\n" ); |
97 | } |
98 | |