1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Siano Mobile Silicon, Inc.
4*4882a593Smuzhiyun // MDTV receiver kernel modules.
5*4882a593Smuzhiyun // Copyright (C) 2006-2009, Uri Shkolnik
6*4882a593Smuzhiyun //
7*4882a593Smuzhiyun // Copyright (c) 2010 - Mauro Carvalho Chehab
8*4882a593Smuzhiyun // - Ported the driver to use rc-core
9*4882a593Smuzhiyun // - IR raw event decoding is now done at rc-core
10*4882a593Smuzhiyun // - Code almost re-written
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include "smscoreapi.h"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/types.h>
16*4882a593Smuzhiyun #include <linux/input.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "smsir.h"
19*4882a593Smuzhiyun #include "sms-cards.h"
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #define MODULE_NAME "smsmdtv"
22*4882a593Smuzhiyun
sms_ir_event(struct smscore_device_t * coredev,const char * buf,int len)23*4882a593Smuzhiyun void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun int i;
26*4882a593Smuzhiyun const s32 *samples = (const void *)buf;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun for (i = 0; i < len >> 2; i++) {
29*4882a593Smuzhiyun struct ir_raw_event ev = {
30*4882a593Smuzhiyun .duration = abs(samples[i]),
31*4882a593Smuzhiyun .pulse = (samples[i] > 0) ? false : true
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun ir_raw_event_store(coredev->ir.dev, &ev);
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun ir_raw_event_handle(coredev->ir.dev);
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
sms_ir_init(struct smscore_device_t * coredev)39*4882a593Smuzhiyun int sms_ir_init(struct smscore_device_t *coredev)
40*4882a593Smuzhiyun {
41*4882a593Smuzhiyun int err;
42*4882a593Smuzhiyun int board_id = smscore_get_board_id(coredev);
43*4882a593Smuzhiyun struct rc_dev *dev;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun pr_debug("Allocating rc device\n");
46*4882a593Smuzhiyun dev = rc_allocate_device(RC_DRIVER_IR_RAW);
47*4882a593Smuzhiyun if (!dev)
48*4882a593Smuzhiyun return -ENOMEM;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun coredev->ir.controller = 0; /* Todo: vega/nova SPI number */
51*4882a593Smuzhiyun coredev->ir.timeout = US_TO_NS(IR_DEFAULT_TIMEOUT);
52*4882a593Smuzhiyun pr_debug("IR port %d, timeout %d ms\n",
53*4882a593Smuzhiyun coredev->ir.controller, coredev->ir.timeout);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun snprintf(coredev->ir.name, sizeof(coredev->ir.name),
56*4882a593Smuzhiyun "SMS IR (%s)", sms_get_board(board_id)->name);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun strscpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
59*4882a593Smuzhiyun strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun dev->device_name = coredev->ir.name;
62*4882a593Smuzhiyun dev->input_phys = coredev->ir.phys;
63*4882a593Smuzhiyun dev->dev.parent = coredev->device;
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun #if 0
66*4882a593Smuzhiyun /* TODO: properly initialize the parameters below */
67*4882a593Smuzhiyun dev->input_id.bustype = BUS_USB;
68*4882a593Smuzhiyun dev->input_id.version = 1;
69*4882a593Smuzhiyun dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
70*4882a593Smuzhiyun dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
71*4882a593Smuzhiyun #endif
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun dev->priv = coredev;
74*4882a593Smuzhiyun dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
75*4882a593Smuzhiyun dev->map_name = sms_get_board(board_id)->rc_codes;
76*4882a593Smuzhiyun dev->driver_name = MODULE_NAME;
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun pr_debug("Input device (IR) %s is set for key events\n",
79*4882a593Smuzhiyun dev->device_name);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun err = rc_register_device(dev);
82*4882a593Smuzhiyun if (err < 0) {
83*4882a593Smuzhiyun pr_err("Failed to register device\n");
84*4882a593Smuzhiyun rc_free_device(dev);
85*4882a593Smuzhiyun return err;
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun coredev->ir.dev = dev;
89*4882a593Smuzhiyun return 0;
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
sms_ir_exit(struct smscore_device_t * coredev)92*4882a593Smuzhiyun void sms_ir_exit(struct smscore_device_t *coredev)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun rc_unregister_device(coredev->ir.dev);
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun pr_debug("\n");
97*4882a593Smuzhiyun }
98