^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* ir-sharp-decoder.c - handle Sharp IR Pulse/Space protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2013-2014 Imagination Technologies Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Based on NEC decoder:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2010 by Mauro Carvalho Chehab
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/bitrev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "rc-core-priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define SHARP_NBITS 15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define SHARP_UNIT 40 /* us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define SHARP_BIT_PULSE (8 * SHARP_UNIT) /* 320us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define SHARP_BIT_0_PERIOD (25 * SHARP_UNIT) /* 1ms (680us space) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680ms space) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define SHARP_ECHO_SPACE (1000 * SHARP_UNIT) /* 40 ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define SHARP_TRAILER_SPACE (125 * SHARP_UNIT) /* 5 ms (even longer) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) enum sharp_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) STATE_INACTIVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) STATE_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) STATE_BIT_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) STATE_TRAILER_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) STATE_ECHO_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) STATE_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * ir_sharp_decode() - Decode one Sharp pulse or space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * @dev: the struct rc_dev descriptor of the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * @ev: the struct ir_raw_event descriptor of the pulse/space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * This function returns -EINVAL if the pulse violates the state machine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int ir_sharp_decode(struct rc_dev *dev, struct ir_raw_event ev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct sharp_dec *data = &dev->raw->sharp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) u32 msg, echo, address, command, scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (!is_timing_event(ev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (ev.reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) dev_dbg(&dev->dev, "Sharp decode started at state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) switch (data->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) case STATE_INACTIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (!eq_margin(ev.duration, SHARP_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) SHARP_BIT_PULSE / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) data->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) data->pulse_len = ev.duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) data->state = STATE_BIT_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) case STATE_BIT_PULSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (!eq_margin(ev.duration, SHARP_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) SHARP_BIT_PULSE / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) data->pulse_len = ev.duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) data->state = STATE_BIT_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case STATE_BIT_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) data->bits <<= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (eq_margin(data->pulse_len + ev.duration, SHARP_BIT_1_PERIOD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) SHARP_BIT_PULSE * 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) data->bits |= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) else if (!eq_margin(data->pulse_len + ev.duration,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) SHARP_BIT_0_PERIOD, SHARP_BIT_PULSE * 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) data->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (data->count == SHARP_NBITS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) data->count == SHARP_NBITS * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) data->state = STATE_TRAILER_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) case STATE_TRAILER_PULSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (!eq_margin(ev.duration, SHARP_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) SHARP_BIT_PULSE / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (data->count == SHARP_NBITS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* exp,chk bits should be 1,0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if ((data->bits & 0x3) != 0x2 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* DENON variant, both chk bits 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) (data->bits & 0x3) != 0x0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) data->state = STATE_ECHO_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) data->state = STATE_TRAILER_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) case STATE_ECHO_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (!eq_margin(ev.duration, SHARP_ECHO_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) SHARP_ECHO_SPACE / 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) case STATE_TRAILER_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (!geq_margin(ev.duration, SHARP_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) SHARP_BIT_PULSE / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* Validate - command, ext, chk should be inverted in 2nd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) msg = (data->bits >> 15) & 0x7fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) echo = data->bits & 0x7fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if ((msg ^ echo) != 0x3ff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) dev_dbg(&dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) "Sharp checksum error: received 0x%04x, 0x%04x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) msg, echo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) address = bitrev8((msg >> 7) & 0xf8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) command = bitrev8((msg >> 2) & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) scancode = address << 8 | command;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) dev_dbg(&dev->dev, "Sharp scancode 0x%04x\n", scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) rc_keydown(dev, RC_PROTO_SHARP, scancode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) dev_dbg(&dev->dev, "Sharp decode failed at count %d state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) data->count, data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static const struct ir_raw_timings_pd ir_sharp_timings = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .header_pulse = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .header_space = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .bit_pulse = SHARP_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .bit_space[0] = SHARP_BIT_0_PERIOD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .bit_space[1] = SHARP_BIT_1_PERIOD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .trailer_pulse = SHARP_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .trailer_space = SHARP_ECHO_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .msb_first = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * ir_sharp_encode() - Encode a scancode as a stream of raw events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * @protocol: protocol to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * @scancode: scancode to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * @events: array of raw ir events to write into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * @max: maximum size of @events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * Returns: The number of events written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * -ENOBUFS if there isn't enough space in the array to fit the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * encoding. In this case all @max events will have been written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int ir_sharp_encode(enum rc_proto protocol, u32 scancode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct ir_raw_event *events, unsigned int max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct ir_raw_event *e = events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) u32 raw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) raw = (((bitrev8(scancode >> 8) >> 3) << 8) & 0x1f00) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) bitrev8(scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) ret = ir_raw_gen_pd(&e, max, &ir_sharp_timings, SHARP_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) (raw << 2) | 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) max -= ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) raw = (((bitrev8(scancode >> 8) >> 3) << 8) & 0x1f00) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) bitrev8(~scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) ret = ir_raw_gen_pd(&e, max, &ir_sharp_timings, SHARP_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) (raw << 2) | 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return e - events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static struct ir_raw_handler sharp_handler = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .protocols = RC_PROTO_BIT_SHARP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .decode = ir_sharp_decode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .encode = ir_sharp_encode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .carrier = 38000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .min_timeout = SHARP_ECHO_SPACE + SHARP_ECHO_SPACE / 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static int __init ir_sharp_decode_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) ir_raw_handler_register(&sharp_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) pr_info("IR Sharp protocol handler initialized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static void __exit ir_sharp_decode_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) ir_raw_handler_unregister(&sharp_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) module_init(ir_sharp_decode_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) module_exit(ir_sharp_decode_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) MODULE_AUTHOR("James Hogan <jhogan@kernel.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) MODULE_DESCRIPTION("Sharp IR protocol decoder");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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