Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * ImgTec IR Decoder setup for JVC protocol.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2012-2014 Imagination Technologies Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include "img-ir-hw.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /* Convert JVC data to a scancode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static int img_ir_jvc_scancode(int len, u64 raw, u64 enabled_protocols,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 			       struct img_ir_scancode_req *request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	unsigned int cust, data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	if (len != 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	cust = (raw >> 0) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	data = (raw >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	request->protocol = RC_PROTO_JVC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	request->scancode = cust << 8 | data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	return IMG_IR_SCANCODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Convert JVC scancode to JVC data filter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int img_ir_jvc_filter(const struct rc_scancode_filter *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 			     struct img_ir_filter *out, u64 protocols)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned int cust, data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	unsigned int cust_m, data_m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	cust   = (in->data >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	cust_m = (in->mask >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	data   = (in->data >> 0) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	data_m = (in->mask >> 0) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	out->data = cust   | data << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	out->mask = cust_m | data_m << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  * JVC decoder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * See also http://www.sbprojects.com/knowledge/ir/jvc.php
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  *          http://support.jvc.com/consumer/support/documents/RemoteCodes.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct img_ir_decoder img_ir_jvc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	.type = RC_PROTO_BIT_JVC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	.control = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		.decoden = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		.code_type = IMG_IR_CODETYPE_PULSEDIST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	/* main timings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.unit = 527500, /* 527.5 us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.timings = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		/* leader symbol */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		.ldr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 			.pulse = { 16	/* 8.44 ms */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 			.space = { 8	/* 4.22 ms */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		/* 0 symbol */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 		.s00 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 			.pulse = { 1	/* 527.5 us +-60 us */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 			.space = { 1	/* 527.5 us */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 		/* 1 symbol */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 		.s01 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 			.pulse = { 1	/* 527.5 us +-60 us */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 			.space = { 3	/* 1.5825 ms +-40 us */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 		/* free time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 		.ft = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 			.minlen = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 			.maxlen = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 			.ft_min = 10,	/* 5.275 ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	/* scancode logic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 	.scancode = img_ir_jvc_scancode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 	.filter = img_ir_jvc_filter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };