Gecko [ v99win.today ]

Name	Size	Permission
davinci	[ DIR ]	drwxr-xr-x
drv-intf	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
tpg	[ DIR ]	drwxr-xr-x
cec-notifier.h	5.03 KB	-rw-r--r--
cec-pin.h	2.79 KB	-rw-r--r--
cec.h	15.3 KB	-rw-r--r--
demux.h	22.69 KB	-rw-r--r--
dmxdev.h	5.89 KB	-rw-r--r--
dvb-usb-ids.h	18.18 KB	-rw-r--r--
dvb_ca_en50221.h	4.35 KB	-rw-r--r--
dvb_demux.h	10.77 KB	-rw-r--r--
dvb_frontend.h	30.03 KB	-rw-r--r--
dvb_math.h	1.77 KB	-rw-r--r--
dvb_net.h	2.34 KB	-rw-r--r--
dvb_ringbuffer.h	8.32 KB	-rw-r--r--
dvb_vb2.h	7.65 KB	-rw-r--r--
dvbdev.h	14.18 KB	-rw-r--r--
frame_vector.h	1.41 KB	-rw-r--r--
hevc-ctrls.h	8.88 KB	-rw-r--r--
imx.h	190 B	-rw-r--r--
media-dev-allocator.h	2.21 KB	-rw-r--r--
media-device.h	16.99 KB	-rw-r--r--
media-devnode.h	5.29 KB	-rw-r--r--
media-entity.h	35.46 KB	-rw-r--r--
media-request.h	11.96 KB	-rw-r--r--
rc-core.h	12.31 KB	-rw-r--r--
rc-map.h	14.36 KB	-rw-r--r--
rcar-fcp.h	1.1 KB	-rw-r--r--
tuner-types.h	7.54 KB	-rw-r--r--
tuner.h	8.4 KB	-rw-r--r--
tveeprom.h	3.29 KB	-rw-r--r--
v4l2-async.h	11.18 KB	-rw-r--r--
v4l2-common.h	18.65 KB	-rw-r--r--
v4l2-ctrls.h	49.66 KB	-rw-r--r--
v4l2-dev.h	16.52 KB	-rw-r--r--
v4l2-device.h	18.52 KB	-rw-r--r--
v4l2-dv-timings.h	9.08 KB	-rw-r--r--
v4l2-event.h	5.99 KB	-rw-r--r--
v4l2-fh.h	4.22 KB	-rw-r--r--
v4l2-flash-led-class.h	5.75 KB	-rw-r--r--
v4l2-fwnode.h	19.8 KB	-rw-r--r--
v4l2-h264.h	2.85 KB	-rw-r--r--
v4l2-image-sizes.h	827 B	-rw-r--r--
v4l2-ioctl.h	33.31 KB	-rw-r--r--
v4l2-jpeg.h	5.08 KB	-rw-r--r--
v4l2-mc.h	7.49 KB	-rw-r--r--
v4l2-mediabus.h	7.51 KB	-rw-r--r--
v4l2-mem2mem.h	28.46 KB	-rw-r--r--
v4l2-rect.h	5.71 KB	-rw-r--r--
v4l2-subdev.h	44.73 KB	-rw-r--r--
videobuf-core.h	6.81 KB	-rw-r--r--
videobuf-dma-contig.h	909 B	-rw-r--r--
videobuf-dma-sg.h	2.79 KB	-rw-r--r--
videobuf-vmalloc.h	1.14 KB	-rw-r--r--
videobuf2-core.h	48.25 KB	-rw-r--r--
videobuf2-dma-contig.h	883 B	-rw-r--r--
videobuf2-dma-sg.h	698 B	-rw-r--r--
videobuf2-dvb.h	1.82 KB	-rw-r--r--
videobuf2-memops.h	1.08 KB	-rw-r--r--
videobuf2-v4l2.h	14.01 KB	-rw-r--r--
videobuf2-vmalloc.h	509 B	-rw-r--r--
vsp1.h	3.57 KB	-rw-r--r--

Code Editor : cec-pin.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * cec-pin.h - low-level CEC pin control
 *
 * Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 */

#ifndef LINUX_CEC_PIN_H
#define LINUX_CEC_PIN_H

#include <linux/types.h>
#include <media/cec.h>

/**
 * struct cec_pin_ops - low-level CEC pin operations
 * @read:	read the CEC pin. Returns > 0 if high, 0 if low, or an error
 *		if negative.
 * @low:	drive the CEC pin low.
 * @high:	stop driving the CEC pin. The pull-up will drive the pin
 *		high, unless someone else is driving the pin low.
 * @enable_irq:	optional, enable the interrupt to detect pin voltage changes.
 * @disable_irq: optional, disable the interrupt.
 * @free:	optional. Free any allocated resources. Called when the
 *		adapter is deleted.
 * @status:	optional, log status information.
 * @read_hpd:	optional. Read the HPD pin. Returns > 0 if high, 0 if low or
 *		an error if negative.
 * @read_5v:	optional. Read the 5V pin. Returns > 0 if high, 0 if low or
 *		an error if negative.
 * @received:	optional. High-level CEC message callback. Allows the driver
 *		to process CEC messages.
 *
 * These operations (except for the @received op) are used by the
 * cec pin framework to manipulate the CEC pin.
 */
struct cec_pin_ops {
	int  (*read)(struct cec_adapter *adap);
	void (*low)(struct cec_adapter *adap);
	void (*high)(struct cec_adapter *adap);
	bool (*enable_irq)(struct cec_adapter *adap);
	void (*disable_irq)(struct cec_adapter *adap);
	void (*free)(struct cec_adapter *adap);
	void (*status)(struct cec_adapter *adap, struct seq_file *file);
	int  (*read_hpd)(struct cec_adapter *adap);
	int  (*read_5v)(struct cec_adapter *adap);

/* High-level CEC message callback */
	int (*received)(struct cec_adapter *adap, struct cec_msg *msg);
};

/**
 * cec_pin_changed() - update pin state from interrupt
 *
 * @adap:	pointer to the cec adapter
 * @value:	when true the pin is high, otherwise it is low
 *
 * If changes of the CEC voltage are detected via an interrupt, then
 * cec_pin_changed is called from the interrupt with the new value.
 */
void cec_pin_changed(struct cec_adapter *adap, bool value);

/**
 * cec_pin_allocate_adapter() - allocate a pin-based cec adapter
 *
 * @pin_ops:	low-level pin operations
 * @priv:	will be stored in adap->priv and can be used by the adapter ops.
 *		Use cec_get_drvdata(adap) to get the priv pointer.
 * @name:	the name of the CEC adapter. Note: this name will be copied.
 * @caps:	capabilities of the CEC adapter. This will be ORed with
 *		CEC_CAP_MONITOR_ALL and CEC_CAP_MONITOR_PIN.
 *
 * Allocate a cec adapter using the cec pin framework.
 *
 * Return: a pointer to the cec adapter or an error pointer
 */
struct cec_adapter *cec_pin_allocate_adapter(const struct cec_pin_ops *pin_ops,
					void *priv, const char *name, u32 caps);

#endif

${this.title}

Code Editor : cec-pin.h