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1// SPDX-License-Identifier: GPL-2.0+2//3// Siano Mobile Silicon, Inc.4// MDTV receiver kernel modules.5// Copyright (C) 2006-2009, Uri Shkolnik6//7// Copyright (c) 2010 - Mauro Carvalho Chehab8// - Ported the driver to use rc-core9// - IR raw event decoding is now done at rc-core10// - Code almost re-written11 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 23void 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 : true32 };33 34 ir_raw_event_store(coredev->ir.dev, &ev);35 }36 ir_raw_event_handle(coredev->ir.dev);37}38 39int sms_ir_init(struct smscore_device_t *coredev)40{41 int err;42 int board_id = smscore_get_board_id(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(coredev->ir.name, sizeof(coredev->ir.name),56 "SMS IR (%s)", sms_get_board(board_id)->name);57 58 strscpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));59 strlcat(coredev->ir.phys, "/ir0", 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 066 /* 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#endif72 73 dev->priv = coredev;74 dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;75 dev->map_name = sms_get_board(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 92void sms_ir_exit(struct smscore_device_t *coredev)93{94 rc_unregister_device(coredev->ir.dev);95 96 pr_debug("\n");97}98