1 // SPDX-License-Identifier: GPL-2.0-only
3  *   Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org>  *
11 #include <linux/hid-debug.h>
13 #include "hid-ids.h"
28 #include <media/rc-core.h>
30 #include "hid-picolcd.h"
41 	spin_lock_irqsave(&data->lock, flags);  in picolcd_raw_cir()
42 	if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) {  in picolcd_raw_cir()
43 		spin_unlock_irqrestore(&data->lock, flags);  in picolcd_raw_cir()
46 	spin_unlock_irqrestore(&data->lock, flags);  in picolcd_raw_cir()
48 	/* PicoLCD USB packets contain 16-bit intervals in network order,  in picolcd_raw_cir()
49 	 * with value negated for pulse. Intervals are in microseconds.  in picolcd_raw_cir()
51 	 * Note: some userspace LIRC code for PicoLCD says negated values  in picolcd_raw_cir()
52 	 * for space - is it a matter of IR chip? (pulse for my TSOP2236)  in picolcd_raw_cir()
55 	 * interval for non-first report of IR data - thus the quirk below  in picolcd_raw_cir()
58 	sz = size > 0 ? min((int)raw_data[0], size-1) : 0;  in picolcd_raw_cir()
61 		rawir.pulse = !!(w & 0x8000);  in picolcd_raw_cir()
62 		rawir.duration = rawir.pulse ? (65536 - w) : w;  in picolcd_raw_cir()
63 		/* Quirk!! - see above */  in picolcd_raw_cir()
65 			rawir.duration -= 15000;  in picolcd_raw_cir()
66 		ir_raw_event_store(data->rc_dev, &rawir);  in picolcd_raw_cir()
68 	ir_raw_event_handle(data->rc_dev);  in picolcd_raw_cir()
75 	struct picolcd_data *data = dev->priv;  in picolcd_cir_open()
78 	spin_lock_irqsave(&data->lock, flags);  in picolcd_cir_open()
79 	data->status &= ~PICOLCD_CIR_SHUN;  in picolcd_cir_open()
80 	spin_unlock_irqrestore(&data->lock, flags);  in picolcd_cir_open()
86 	struct picolcd_data *data = dev->priv;  in picolcd_cir_close()
89 	spin_lock_irqsave(&data->lock, flags);  in picolcd_cir_close()
90 	data->status |= PICOLCD_CIR_SHUN;  in picolcd_cir_close()
91 	spin_unlock_irqrestore(&data->lock, flags);  in picolcd_cir_close()
102 		return -ENOMEM;  in picolcd_init_cir()
104 	rdev->priv             = data;  in picolcd_init_cir()
105 	rdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;  in picolcd_init_cir()
106 	rdev->open             = picolcd_cir_open;  in picolcd_init_cir()
107 	rdev->close            = picolcd_cir_close;  in picolcd_init_cir()
108 	rdev->device_name      = data->hdev->name;  in picolcd_init_cir()
109 	rdev->input_phys       = data->hdev->phys;  in picolcd_init_cir()
110 	rdev->input_id.bustype = data->hdev->bus;  in picolcd_init_cir()
111 	rdev->input_id.vendor  = data->hdev->vendor;  in picolcd_init_cir()
112 	rdev->input_id.product = data->hdev->product;  in picolcd_init_cir()
113 	rdev->input_id.version = data->hdev->version;  in picolcd_init_cir()
114 	rdev->dev.parent       = &data->hdev->dev;  in picolcd_init_cir()
115 	rdev->driver_name      = PICOLCD_NAME;  in picolcd_init_cir()
116 	rdev->map_name         = RC_MAP_RC6_MCE;  in picolcd_init_cir()
117 	rdev->timeout          = MS_TO_US(100);  in picolcd_init_cir()
118 	rdev->rx_resolution    = 1;  in picolcd_init_cir()
123 	data->rc_dev = rdev;  in picolcd_init_cir()
133 	struct rc_dev *rdev = data->rc_dev;  in picolcd_exit_cir()
135 	data->rc_dev = NULL;  in picolcd_exit_cir()