^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) /***************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Based on Logitech G13 driver (v0.4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * *
^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/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/hid-debug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/lcd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <media/rc-core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include "hid-picolcd.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int picolcd_raw_cir(struct picolcd_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct hid_report *report, u8 *raw_data, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int i, w, sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct ir_raw_event rawir = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* ignore if rc_dev is NULL or status is shunned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) spin_lock_irqsave(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) spin_unlock_irqrestore(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) spin_unlock_irqrestore(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /* PicoLCD USB packets contain 16-bit intervals in network order,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * with value negated for pulse. Intervals are in microseconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * Note: some userspace LIRC code for PicoLCD says negated values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * for space - is it a matter of IR chip? (pulse for my TSOP2236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * In addition, the first interval seems to be around 15000 + base
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * interval for non-first report of IR data - thus the quirk below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * to get RC_CODE to understand Sony and JVC remotes I have at hand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) sz = size > 0 ? min((int)raw_data[0], size-1) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) for (i = 0; i+1 < sz; i += 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) w = (raw_data[i] << 8) | (raw_data[i+1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) rawir.pulse = !!(w & 0x8000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) rawir.duration = rawir.pulse ? (65536 - w) : w;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* Quirk!! - see above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (i == 0 && rawir.duration > 15000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) rawir.duration -= 15000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ir_raw_event_store(data->rc_dev, &rawir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ir_raw_event_handle(data->rc_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static int picolcd_cir_open(struct rc_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct picolcd_data *data = dev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) spin_lock_irqsave(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) data->status &= ~PICOLCD_CIR_SHUN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) spin_unlock_irqrestore(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static void picolcd_cir_close(struct rc_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct picolcd_data *data = dev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) spin_lock_irqsave(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) data->status |= PICOLCD_CIR_SHUN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) spin_unlock_irqrestore(&data->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* initialize CIR input device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct rc_dev *rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) rdev = rc_allocate_device(RC_DRIVER_IR_RAW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (!rdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) rdev->priv = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) rdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) rdev->open = picolcd_cir_open;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) rdev->close = picolcd_cir_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) rdev->device_name = data->hdev->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) rdev->input_phys = data->hdev->phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) rdev->input_id.bustype = data->hdev->bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) rdev->input_id.vendor = data->hdev->vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) rdev->input_id.product = data->hdev->product;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) rdev->input_id.version = data->hdev->version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) rdev->dev.parent = &data->hdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) rdev->driver_name = PICOLCD_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) rdev->map_name = RC_MAP_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) rdev->timeout = MS_TO_US(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) rdev->rx_resolution = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ret = rc_register_device(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) data->rc_dev = rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) rc_free_device(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) void picolcd_exit_cir(struct picolcd_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct rc_dev *rdev = data->rc_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) data->rc_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) rc_unregister_device(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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