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2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ImgTec IR Decoder setup for JVC protocol.
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*
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* Copyright 2012-2014 Imagination Technologies Ltd.
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*/
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#include "img-ir-hw.h"
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/* Convert JVC data to a scancode */
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static int img_ir_jvc_scancode(int len, u64 raw, u64 enabled_protocols,
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struct img_ir_scancode_req *request)
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{
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unsigned int cust, data;
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if (len != 16)
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return -EINVAL;
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cust = (raw >> 0) & 0xff;
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data = (raw >> 8) & 0xff;
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request->protocol = RC_PROTO_JVC;
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request->scancode = cust << 8 | data;
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return IMG_IR_SCANCODE;
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}
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/* Convert JVC scancode to JVC data filter */
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static int img_ir_jvc_filter(const struct rc_scancode_filter *in,
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struct img_ir_filter *out, u64 protocols)
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{
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unsigned int cust, data;
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unsigned int cust_m, data_m;
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cust = (in->data >> 8) & 0xff;
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cust_m = (in->mask >> 8) & 0xff;
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data = (in->data >> 0) & 0xff;
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data_m = (in->mask >> 0) & 0xff;
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out->data = cust | data << 8;
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out->mask = cust_m | data_m << 8;
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return 0;
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}
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/*
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* JVC decoder
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* See also http://www.sbprojects.com/knowledge/ir/jvc.php
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* http://support.jvc.com/consumer/support/documents/RemoteCodes.pdf
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*/
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struct img_ir_decoder img_ir_jvc = {
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.type = RC_PROTO_BIT_JVC,
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.control = {
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.decoden = 1,
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.code_type = IMG_IR_CODETYPE_PULSEDIST,
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},
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/* main timings */
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.unit = 527500, /* 527.5 us */
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.timings = {
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/* leader symbol */
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.ldr = {
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.pulse = { 16 /* 8.44 ms */ },
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.space = { 8 /* 4.22 ms */ },
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},
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/* 0 symbol */
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.s00 = {
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.pulse = { 1 /* 527.5 us +-60 us */ },
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.space = { 1 /* 527.5 us */ },
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},
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/* 1 symbol */
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.s01 = {
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.pulse = { 1 /* 527.5 us +-60 us */ },
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.space = { 3 /* 1.5825 ms +-40 us */ },
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},
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/* free time */
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.ft = {
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.minlen = 16,
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.maxlen = 16,
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.ft_min = 10, /* 5.275 ms */
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},
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},
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/* scancode logic */
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.scancode = img_ir_jvc_scancode,
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.filter = img_ir_jvc_filter,
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};
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