Commit dcfbf457 authored by Nicolas Saenz Julienne's avatar Nicolas Saenz Julienne Committed by Greg Kroah-Hartman
Browse files

staging: vchiq: Use vchiq.h as the main header file for services



This used to be vchiq_if.h but vchiq.h is more concise for an include
file that will hopefully be in the future in the includes directory.

Signed-off-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629150945.10720-46-nsaenzjulienne@suse.de


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3d212a83
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@@ -9,7 +9,7 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm-indirect.h>
#include "interface/vchiq_arm/vchiq_if.h"
#include "interface/vchiq_arm/vchiq.h"

#define MAX_SUBSTREAMS   (8)
#define AVAIL_SUBSTREAMS_MASK  (0xff)
+103 −4
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright (c) 2010-2012 Broadcom. All rights reserved. */

#ifndef VCHIQ_VCHIQ_H
#define VCHIQ_VCHIQ_H
#ifndef VCHIQ_H
#define VCHIQ_H

#include "vchiq_if.h"
#define VCHIQ_SERVICE_HANDLE_INVALID 0

#endif
#define VCHIQ_SLOT_SIZE     4096
#define VCHIQ_MAX_MSG_SIZE  (VCHIQ_SLOT_SIZE - sizeof(struct vchiq_header))

#define VCHIQ_MAKE_FOURCC(x0, x1, x2, x3) \
			(((x0) << 24) | ((x1) << 16) | ((x2) << 8) | (x3))

enum vchiq_reason {
	VCHIQ_SERVICE_OPENED,         /* service, -, -             */
	VCHIQ_SERVICE_CLOSED,         /* service, -, -             */
	VCHIQ_MESSAGE_AVAILABLE,      /* service, header, -        */
	VCHIQ_BULK_TRANSMIT_DONE,     /* service, -, bulk_userdata */
	VCHIQ_BULK_RECEIVE_DONE,      /* service, -, bulk_userdata */
	VCHIQ_BULK_TRANSMIT_ABORTED,  /* service, -, bulk_userdata */
	VCHIQ_BULK_RECEIVE_ABORTED    /* service, -, bulk_userdata */
};

enum vchiq_status {
	VCHIQ_ERROR   = -1,
	VCHIQ_SUCCESS = 0,
	VCHIQ_RETRY   = 1
};

enum vchiq_bulk_mode {
	VCHIQ_BULK_MODE_CALLBACK,
	VCHIQ_BULK_MODE_BLOCKING,
	VCHIQ_BULK_MODE_NOCALLBACK,
	VCHIQ_BULK_MODE_WAITING		/* Reserved for internal use */
};

enum vchiq_service_option {
	VCHIQ_SERVICE_OPTION_AUTOCLOSE,
	VCHIQ_SERVICE_OPTION_SLOT_QUOTA,
	VCHIQ_SERVICE_OPTION_MESSAGE_QUOTA,
	VCHIQ_SERVICE_OPTION_SYNCHRONOUS,
	VCHIQ_SERVICE_OPTION_TRACE
};

struct vchiq_header {
	/* The message identifier - opaque to applications. */
	int msgid;

	/* Size of message data. */
	unsigned int size;

	char data[0];           /* message */
};

struct vchiq_element {
	const void __user *data;
	unsigned int size;
};

struct vchiq_service_base {
	int fourcc;
	enum vchiq_status (*callback)(enum vchiq_reason reason,
				      struct vchiq_header *header,
				      unsigned int handle,
				      void *bulk_userdata);
	void *userdata;
};

struct vchiq_service_params {
	int fourcc;
	enum vchiq_status (*callback)(enum vchiq_reason reason,
				      struct vchiq_header *header,
				      unsigned int handle,
				      void *bulk_userdata);
	void *userdata;
	short version;       /* Increment for non-trivial changes */
	short version_min;   /* Update for incompatible changes */
};

struct vchiq_instance;

extern enum vchiq_status vchiq_initialise(struct vchiq_instance **pinstance);
extern enum vchiq_status vchiq_shutdown(struct vchiq_instance *instance);
extern enum vchiq_status vchiq_connect(struct vchiq_instance *instance);
extern enum vchiq_status vchiq_open_service(struct vchiq_instance *instance,
	const struct vchiq_service_params *params,
	unsigned int *pservice);
extern enum vchiq_status vchiq_close_service(unsigned int service);
extern enum vchiq_status vchiq_use_service(unsigned int service);
extern enum vchiq_status vchiq_release_service(unsigned int service);
extern void vchiq_msg_queue_push(unsigned handle, struct vchiq_header *header);
extern void           vchiq_release_message(unsigned int service,
	struct vchiq_header *header);
extern int vchiq_queue_kernel_message(unsigned handle, void *data,
				      unsigned size);
extern enum vchiq_status vchiq_bulk_transmit(unsigned int service,
	const void *data, unsigned int size, void *userdata,
	enum vchiq_bulk_mode mode);
extern enum vchiq_status vchiq_bulk_receive(unsigned int service,
	void *data, unsigned int size, void *userdata,
	enum vchiq_bulk_mode mode);
extern void *vchiq_get_service_userdata(unsigned int service);
extern enum vchiq_status vchiq_get_peer_version(unsigned int handle,
      short *peer_version);
extern struct vchiq_header *vchiq_msg_hold(unsigned handle);

#endif /* VCHIQ_H */
+0 −109
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright (c) 2010-2012 Broadcom. All rights reserved. */

#ifndef VCHIQ_IF_H
#define VCHIQ_IF_H

#define VCHIQ_SERVICE_HANDLE_INVALID 0

#define VCHIQ_SLOT_SIZE     4096
#define VCHIQ_MAX_MSG_SIZE  (VCHIQ_SLOT_SIZE - sizeof(struct vchiq_header))

#define VCHIQ_MAKE_FOURCC(x0, x1, x2, x3) \
			(((x0) << 24) | ((x1) << 16) | ((x2) << 8) | (x3))

enum vchiq_reason {
	VCHIQ_SERVICE_OPENED,         /* service, -, -             */
	VCHIQ_SERVICE_CLOSED,         /* service, -, -             */
	VCHIQ_MESSAGE_AVAILABLE,      /* service, header, -        */
	VCHIQ_BULK_TRANSMIT_DONE,     /* service, -, bulk_userdata */
	VCHIQ_BULK_RECEIVE_DONE,      /* service, -, bulk_userdata */
	VCHIQ_BULK_TRANSMIT_ABORTED,  /* service, -, bulk_userdata */
	VCHIQ_BULK_RECEIVE_ABORTED    /* service, -, bulk_userdata */
};

enum vchiq_status {
	VCHIQ_ERROR   = -1,
	VCHIQ_SUCCESS = 0,
	VCHIQ_RETRY   = 1
};

enum vchiq_bulk_mode {
	VCHIQ_BULK_MODE_CALLBACK,
	VCHIQ_BULK_MODE_BLOCKING,
	VCHIQ_BULK_MODE_NOCALLBACK,
	VCHIQ_BULK_MODE_WAITING		/* Reserved for internal use */
};

enum vchiq_service_option {
	VCHIQ_SERVICE_OPTION_AUTOCLOSE,
	VCHIQ_SERVICE_OPTION_SLOT_QUOTA,
	VCHIQ_SERVICE_OPTION_MESSAGE_QUOTA,
	VCHIQ_SERVICE_OPTION_SYNCHRONOUS,
	VCHIQ_SERVICE_OPTION_TRACE
};

struct vchiq_header {
	/* The message identifier - opaque to applications. */
	int msgid;

	/* Size of message data. */
	unsigned int size;

	char data[0];           /* message */
};

struct vchiq_element {
	const void __user *data;
	unsigned int size;
};

struct vchiq_service_base {
	int fourcc;
	enum vchiq_status (*callback)(enum vchiq_reason reason,
				      struct vchiq_header *header,
				      unsigned int handle,
				      void *bulk_userdata);
	void *userdata;
};

struct vchiq_service_params {
	int fourcc;
	enum vchiq_status (*callback)(enum vchiq_reason reason,
				      struct vchiq_header *header,
				      unsigned int handle,
				      void *bulk_userdata);
	void *userdata;
	short version;       /* Increment for non-trivial changes */
	short version_min;   /* Update for incompatible changes */
};

struct vchiq_instance;

extern enum vchiq_status vchiq_initialise(struct vchiq_instance **pinstance);
extern enum vchiq_status vchiq_shutdown(struct vchiq_instance *instance);
extern enum vchiq_status vchiq_connect(struct vchiq_instance *instance);
extern enum vchiq_status vchiq_open_service(struct vchiq_instance *instance,
	const struct vchiq_service_params *params,
	unsigned int *pservice);
extern enum vchiq_status vchiq_close_service(unsigned int service);
extern enum vchiq_status vchiq_use_service(unsigned int service);
extern enum vchiq_status vchiq_release_service(unsigned int service);
extern int vchiq_queue_kernel_message(unsigned handle, void *data,
				      unsigned size);
extern void vchiq_msg_queue_push(unsigned handle, struct vchiq_header *header);
extern void           vchiq_release_message(unsigned int service,
	struct vchiq_header *header);
extern enum vchiq_status vchiq_bulk_transmit(unsigned int service,
	const void *data, unsigned int size, void *userdata,
	enum vchiq_bulk_mode mode);
extern enum vchiq_status vchiq_bulk_receive(unsigned int service,
	void *data, unsigned int size, void *userdata,
	enum vchiq_bulk_mode mode);
extern void *vchiq_get_service_userdata(unsigned int service);
extern enum vchiq_status vchiq_get_peer_version(unsigned int handle,
      short *peer_version);
extern void vchiq_msg_queue_push(unsigned handle, struct vchiq_header *header);
extern struct vchiq_header *vchiq_msg_hold(unsigned handle);

#endif /* VCHIQ_IF_H */
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@@ -5,7 +5,7 @@
#define VCHIQ_IOCTLS_H

#include <linux/ioctl.h>
#include "vchiq_if.h"
#include "vchiq.h"

#define VCHIQ_IOC_MAGIC 0xc4
#define VCHIQ_INVALID_HANDLE (~0)
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@@ -29,7 +29,7 @@
#include "mmal-vchiq.h"
#include "mmal-msg.h"

#include "interface/vchiq_arm/vchiq_if.h"
#include "interface/vchiq_arm/vchiq.h"

/*
 * maximum number of components supported.