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      ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÅ0ÂÇ     ˆ¾ÅƒBÿ_†I|¥+ÃÈ _    /*
 * videobuf2-memops.h - generic memory handling routines for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Pawel Osciak <pawel@osciak.com>
 *	   Marek Szyprowski <m.szyprowski@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H
#define _MEDIA_VIDEOBUF2_MEMOPS_H

#include <media/videobuf2-v4l2.h>
#include <linux/mm.h>
#include <linux/refcount.h>

/**
 * struct vb2_vmarea_handler - common vma refcount tracking handler.
 *
 * @refcount:	pointer to &refcount_t entry in the buffer.
 * @put:	callback to function that decreases buffer refcount.
 * @arg:	argument for @put callback.
 */
struct vb2_vmarea_handler {
	refcount_t		*refcount;
	void			(*put)(void *arg);
	void			*arg;
};

extern const struct vm_operations_struct vb2_common_vm_ops;

struct frame_vector *vb2_create_framevec(unsigned long start,
					 unsigned long length,
					 bool write);
void vb2_destroy_framevec(struct frame_vector *vec);

#endif
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     ˆÀÇƒm—¿ÄÉ ø    /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SOUND_SND_WAVEFRONT_H__
#define __SOUND_SND_WAVEFRONT_H__

#include <sound/mpu401.h>
#include <sound/hwdep.h>
#include <sound/rawmidi.h>
#include <sound/wavefront.h>  /* generic OSS/ALSA/user-level wavefront header */

/* MIDI interface */

struct _snd_wavefront_midi;
struct _snd_wavefront_card;
struct _snd_wavefront;

typedef struct _snd_wavefront_midi snd_wavefront_midi_t;
typedef struct _snd_wavefront_card snd_wavefront_card_t;
typedef struct _snd_wavefront snd_wavefront_t;

typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id;

struct _snd_wavefront_midi {
        unsigned long            base;        /* I/O port address */
	char                     isvirtual;   /* doing virtual MIDI stuff ? */
	char			 istimer;     /* timer is used */
        snd_wavefront_mpu_id     output_mpu;  /* most-recently-used */
        snd_wavefront_mpu_id     input_mpu;   /* most-recently-used */
        unsigned int             mode[2];     /* MPU401_MODE_XXX */
	struct snd_rawmidi_substream	 *substream_output[2];
	struct snd_rawmidi_substream	 *substream_input[2];
	struct timer_list	 timer;
	snd_wavefront_card_t	 *timer_card;
        spinlock_t               open;
        spinlock_t               virtual;     /* protects isvirtual */
};

#define	OUTPUT_READY	0x40
#define	INPUT_AVAIL	0x80
#define	MPU_ACK		0xFE
#define	UART_MODE_ON	0x3F

extern const struct snd_rawmidi_ops snd_wavefront_midi_output;
extern const struct snd_rawmidi_ops snd_wavefront_midi_input;

extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
extern void   snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
extern int    snd_wavefront_midi_start (snd_wavefront_card_t *);

struct _snd_wavefront {
	unsigned long    irq;   /* "you were one, one of the few ..." */
	unsigned long    base;  /* low i/o port address */
	struct resource	 *res_base; /* i/o port resource allocation */

#define mpu_data_port    base 
#define mpu_command_port base + 1 /* write semantics */
#define mpu_status_port  base + 1 /* read semantics */
#define data_port        base + 2 
#define status_port      base + 3 /* read semantics */
#define control_port     base + 3 /* write semantics  */
#define block_port       base + 4 /* 16 bit, writeonly */
#define last_block_port  base + 6 /* 16 bit, writeonly */

	/* FX ports. These are mapped through the ICS2115 to the YS225.
	   The ICS2115 takes care of flipping the relevant pins on the
	   YS225 so that access to each of these ports does the right
	   thing. Note: these are NOT documented by Turtle Beach.
	*/

#define fx_status       base + 8 
#define fx_op           base + 8 
#define fx_lcr