include/linux/rio_drv.h - kernel/msm-4.9 - Gitiles

 /*
  * RapidIO driver services
  *
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
  *
  * 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;  either version 2 of the  License, or (at your
  * option) any later version.
  */

 #ifndef LINUX_RIO_DRV_H
 #define LINUX_RIO_DRV_H

 #include <linux/types.h>
 #include <linux/ioport.h>
 #include <linux/list.h>
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/rio.h>

 extern int __rio_local_read_config_32(struct rio_mport *port, u32 offset,
 				      u32 * data);
 extern int __rio_local_write_config_32(struct rio_mport *port, u32 offset,
 				       u32 data);
 extern int __rio_local_read_config_16(struct rio_mport *port, u32 offset,
 				      u16 * data);
 extern int __rio_local_write_config_16(struct rio_mport *port, u32 offset,
 				       u16 data);
 extern int __rio_local_read_config_8(struct rio_mport *port, u32 offset,
 				     u8 * data);
 extern int __rio_local_write_config_8(struct rio_mport *port, u32 offset,
 				      u8 data);

 extern int rio_mport_read_config_32(struct rio_mport *port, u16 destid,
 				    u8 hopcount, u32 offset, u32 * data);
 extern int rio_mport_write_config_32(struct rio_mport *port, u16 destid,
 				     u8 hopcount, u32 offset, u32 data);
 extern int rio_mport_read_config_16(struct rio_mport *port, u16 destid,
 				    u8 hopcount, u32 offset, u16 * data);
 extern int rio_mport_write_config_16(struct rio_mport *port, u16 destid,
 				     u8 hopcount, u32 offset, u16 data);
 extern int rio_mport_read_config_8(struct rio_mport *port, u16 destid,
 				   u8 hopcount, u32 offset, u8 * data);
 extern int rio_mport_write_config_8(struct rio_mport *port, u16 destid,
 				    u8 hopcount, u32 offset, u8 data);

 /**
  * rio_local_read_config_32 - Read 32 bits from local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Pointer to read data into
  *
  * Reads 32 bits of data from the specified offset within the local
  * device's configuration space.
  */
 static inline int rio_local_read_config_32(struct rio_mport *port, u32 offset,
 					   u32 * data)
 {
 	return __rio_local_read_config_32(port, offset, data);
 }

 /**
  * rio_local_write_config_32 - Write 32 bits to local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Data to be written
  *
  * Writes 32 bits of data to the specified offset within the local
  * device's configuration space.
  */
 static inline int rio_local_write_config_32(struct rio_mport *port, u32 offset,
 					    u32 data)
 {
 	return __rio_local_write_config_32(port, offset, data);
 }

 /**
  * rio_local_read_config_16 - Read 16 bits from local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Pointer to read data into
  *
  * Reads 16 bits of data from the specified offset within the local
  * device's configuration space.
  */
 static inline int rio_local_read_config_16(struct rio_mport *port, u32 offset,
 					   u16 * data)
 {
 	return __rio_local_read_config_16(port, offset, data);
 }

 /**
  * rio_local_write_config_16 - Write 16 bits to local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Data to be written
  *
  * Writes 16 bits of data to the specified offset within the local
  * device's configuration space.
  */

 static inline int rio_local_write_config_16(struct rio_mport *port, u32 offset,
 					    u16 data)
 {
 	return __rio_local_write_config_16(port, offset, data);
 }

 /**
  * rio_local_read_config_8 - Read 8 bits from local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Pointer to read data into
  *
  * Reads 8 bits of data from the specified offset within the local
  * device's configuration space.
  */
 static inline int rio_local_read_config_8(struct rio_mport *port, u32 offset,
 					  u8 * data)
 {
 	return __rio_local_read_config_8(port, offset, data);
 }

 /**
  * rio_local_write_config_8 - Write 8 bits to local configuration space
  * @port: Master port
  * @offset: Offset into local configuration space
  * @data: Data to be written
  *
  * Writes 8 bits of data to the specified offset within the local
  * device's configuration space.
  */
 static inline int rio_local_write_config_8(struct rio_mport *port, u32 offset,
 					   u8 data)
 {
 	return __rio_local_write_config_8(port, offset, data);
 }

 /**
  * rio_read_config_32 - Read 32 bits from configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Pointer to read data into
  *
  * Reads 32 bits of data from the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_read_config_32(struct rio_dev *rdev, u32 offset,
 				     u32 * data)
 {
 	return rio_mport_read_config_32(rdev->net->hport, rdev->destid,
 					rdev->hopcount, offset, data);
 };

 /**
  * rio_write_config_32 - Write 32 bits to configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Data to be written
  *
  * Writes 32 bits of data to the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_write_config_32(struct rio_dev *rdev, u32 offset,
 				      u32 data)
 {
 	return rio_mport_write_config_32(rdev->net->hport, rdev->destid,
 					 rdev->hopcount, offset, data);
 };

 /**
  * rio_read_config_16 - Read 16 bits from configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Pointer to read data into
  *
  * Reads 16 bits of data from the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_read_config_16(struct rio_dev *rdev, u32 offset,
 				     u16 * data)
 {
 	return rio_mport_read_config_16(rdev->net->hport, rdev->destid,
 					rdev->hopcount, offset, data);
 };

 /**
  * rio_write_config_16 - Write 16 bits to configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Data to be written
  *
  * Writes 16 bits of data to the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_write_config_16(struct rio_dev *rdev, u32 offset,
 				      u16 data)
 {
 	return rio_mport_write_config_16(rdev->net->hport, rdev->destid,
 					 rdev->hopcount, offset, data);
 };

 /**
  * rio_read_config_8 - Read 8 bits from configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Pointer to read data into
  *
  * Reads 8 bits of data from the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_read_config_8(struct rio_dev *rdev, u32 offset, u8 * data)
 {
 	return rio_mport_read_config_8(rdev->net->hport, rdev->destid,
 				       rdev->hopcount, offset, data);
 };

 /**
  * rio_write_config_8 - Write 8 bits to configuration space
  * @rdev: RIO device
  * @offset: Offset into device configuration space
  * @data: Data to be written
  *
  * Writes 8 bits of data to the specified offset within the
  * RIO device's configuration space.
  */
 static inline int rio_write_config_8(struct rio_dev *rdev, u32 offset, u8 data)
 {
 	return rio_mport_write_config_8(rdev->net->hport, rdev->destid,
 					rdev->hopcount, offset, data);
 };

 extern int rio_mport_send_doorbell(struct rio_mport *mport, u16 destid,
 				   u16 data);

 /**
  * rio_send_doorbell - Send a doorbell message to a device
  * @rdev: RIO device
  * @data: Doorbell message data
  *
  * Send a doorbell message to a RIO device. The doorbell message
  * has a 16-bit info field provided by the @data argument.
  */
 static inline int rio_send_doorbell(struct rio_dev *rdev, u16 data)
 {
 	return rio_mport_send_doorbell(rdev->net->hport, rdev->destid, data);
 };

 /**
  * rio_init_mbox_res - Initialize a RIO mailbox resource
  * @res: resource struct
  * @start: start of mailbox range
  * @end: end of mailbox range
  *
  * This function is used to initialize the fields of a resource
  * for use as a mailbox resource.  It initializes a range of
  * mailboxes using the start and end arguments.
  */
 static inline void rio_init_mbox_res(struct resource *res, int start, int end)
 {
 	memset(res, 0, sizeof(struct resource));
 	res->start = start;
 	res->end = end;
 	res->flags = RIO_RESOURCE_MAILBOX;
 }

 /**
  * rio_init_dbell_res - Initialize a RIO doorbell resource
  * @res: resource struct
  * @start: start of doorbell range
  * @end: end of doorbell range
  *
  * This function is used to initialize the fields of a resource
  * for use as a doorbell resource.  It initializes a range of
  * doorbell messages using the start and end arguments.
  */
 static inline void rio_init_dbell_res(struct resource *res, u16 start, u16 end)
 {
 	memset(res, 0, sizeof(struct resource));
 	res->start = start;
 	res->end = end;
 	res->flags = RIO_RESOURCE_DOORBELL;
 }

 /**
  * RIO_DEVICE - macro used to describe a specific RIO device
  * @dev: the 16 bit RIO device ID
  * @ven: the 16 bit RIO vendor ID
  *
  * This macro is used to create a struct rio_device_id that matches a
  * specific device.  The assembly vendor and assembly device fields
  * will be set to %RIO_ANY_ID.
  */
 #define RIO_DEVICE(dev,ven) \
 	.did = (dev), .vid = (ven), \
 	.asm_did = RIO_ANY_ID, .asm_vid = RIO_ANY_ID

 /* Mailbox management */
 extern int rio_request_outb_mbox(struct rio_mport *, void *, int, int,
 				 void (*)(struct rio_mport *, void *,int, int));
 extern int rio_release_outb_mbox(struct rio_mport *, int);

 /**
  * rio_add_outb_message - Add RIO message to an outbound mailbox queue
  * @mport: RIO master port containing the outbound queue
  * @rdev: RIO device the message is be sent to
  * @mbox: The outbound mailbox queue
  * @buffer: Pointer to the message buffer
  * @len: Length of the message buffer
  *
  * Adds a RIO message buffer to an outbound mailbox queue for
  * transmission. Returns 0 on success.
  */
 static inline int rio_add_outb_message(struct rio_mport *mport,
 				       struct rio_dev *rdev, int mbox,
 				       void *buffer, size_t len)
 {
 	return mport->ops->add_outb_message(mport, rdev, mbox,
 						   buffer, len);
 }

 extern int rio_request_inb_mbox(struct rio_mport *, void *, int, int,
 				void (*)(struct rio_mport *, void *, int, int));
 extern int rio_release_inb_mbox(struct rio_mport *, int);

 /**
  * rio_add_inb_buffer - Add buffer to an inbound mailbox queue
  * @mport: Master port containing the inbound mailbox
  * @mbox: The inbound mailbox number
  * @buffer: Pointer to the message buffer
  *
  * Adds a buffer to an inbound mailbox queue for reception. Returns
  * 0 on success.
  */
 static inline int rio_add_inb_buffer(struct rio_mport *mport, int mbox,
 				     void *buffer)
 {
 	return mport->ops->add_inb_buffer(mport, mbox, buffer);
 }

 /**
  * rio_get_inb_message - Get A RIO message from an inbound mailbox queue
  * @mport: Master port containing the inbound mailbox
  * @mbox: The inbound mailbox number
  *
  * Get a RIO message from an inbound mailbox queue. Returns 0 on success.
  */
 static inline void *rio_get_inb_message(struct rio_mport *mport, int mbox)
 {
 	return mport->ops->get_inb_message(mport, mbox);
 }

 /* Doorbell management */
 extern int rio_request_inb_dbell(struct rio_mport *, void *, u16, u16,
 				 void (*)(struct rio_mport *, void *, u16, u16, u16));
 extern int rio_release_inb_dbell(struct rio_mport *, u16, u16);
 extern struct resource *rio_request_outb_dbell(struct rio_dev *, u16, u16);
 extern int rio_release_outb_dbell(struct rio_dev *, struct resource *);

 /* Memory region management */
 int rio_claim_resource(struct rio_dev *, int);
 int rio_request_regions(struct rio_dev *, char *);
 void rio_release_regions(struct rio_dev *);
 int rio_request_region(struct rio_dev *, int, char *);
 void rio_release_region(struct rio_dev *, int);

 /* Memory mapping functions */
 extern int rio_map_inb_region(struct rio_mport *mport, dma_addr_t local,
 			u64 rbase, u32 size, u32 rflags);
 extern void rio_unmap_inb_region(struct rio_mport *mport, dma_addr_t lstart);

 /* Port-Write management */
 extern int rio_request_inb_pwrite(struct rio_dev *,
 			int (*)(struct rio_dev *, union rio_pw_msg*, int));
 extern int rio_release_inb_pwrite(struct rio_dev *);
 extern int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg);

 /* LDM support */
 int rio_register_driver(struct rio_driver *);
 void rio_unregister_driver(struct rio_driver *);
 struct rio_dev *rio_dev_get(struct rio_dev *);
 void rio_dev_put(struct rio_dev *);

 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
 extern struct dma_chan *rio_request_dma(struct rio_dev *rdev);
 extern void rio_release_dma(struct dma_chan *dchan);
 extern struct dma_async_tx_descriptor *rio_dma_prep_slave_sg(
 		struct rio_dev *rdev, struct dma_chan *dchan,
 		struct rio_dma_data *data,
 		enum dma_transfer_direction direction, unsigned long flags);
 #endif

 /**
  * rio_name - Get the unique RIO device identifier
  * @rdev: RIO device
  *
  * Get the unique RIO device identifier. Returns the device
  * identifier string.
  */
 static inline const char *rio_name(struct rio_dev *rdev)
 {
 	return dev_name(&rdev->dev);
 }

 /**
  * rio_get_drvdata - Get RIO driver specific data
  * @rdev: RIO device
  *
  * Get RIO driver specific data. Returns a pointer to the
  * driver specific data.
  */
 static inline void *rio_get_drvdata(struct rio_dev *rdev)
 {
 	return dev_get_drvdata(&rdev->dev);
 }

 /**
  * rio_set_drvdata - Set RIO driver specific data
  * @rdev: RIO device
  * @data: Pointer to driver specific data
  *
  * Set RIO driver specific data. device struct driver data pointer
  * is set to the @data argument.
  */
 static inline void rio_set_drvdata(struct rio_dev *rdev, void *data)
 {
 	dev_set_drvdata(&rdev->dev, data);
 }

 /* Misc driver helpers */
 extern u16 rio_local_get_device_id(struct rio_mport *port);
 extern struct rio_dev *rio_get_device(u16 vid, u16 did, struct rio_dev *from);
 extern struct rio_dev *rio_get_asm(u16 vid, u16 did, u16 asm_vid, u16 asm_did,
 				   struct rio_dev *from);

 #endif				/* LINUX_RIO_DRV_H */
	/*
	* RapidIO driver services
	*
	* Copyright 2005 MontaVista Software, Inc.
	* Matt Porter <mporter@kernel.crashing.org>
	*
	* 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; either version 2 of the License, or (at your
	* option) any later version.
	*/

	#ifndef LINUX_RIO_DRV_H
	#define LINUX_RIO_DRV_H

	#include <linux/types.h>
	#include <linux/ioport.h>
	#include <linux/list.h>
	#include <linux/errno.h>
	#include <linux/string.h>
	#include <linux/rio.h>

	extern int __rio_local_read_config_32(struct rio_mport *port, u32 offset,
	u32 * data);
	extern int __rio_local_write_config_32(struct rio_mport *port, u32 offset,
	u32 data);
	extern int __rio_local_read_config_16(struct rio_mport *port, u32 offset,
	u16 * data);
	extern int __rio_local_write_config_16(struct rio_mport *port, u32 offset,
	u16 data);
	extern int __rio_local_read_config_8(struct rio_mport *port, u32 offset,
	u8 * data);
	extern int __rio_local_write_config_8(struct rio_mport *port, u32 offset,
	u8 data);

	extern int rio_mport_read_config_32(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u32 * data);
	extern int rio_mport_write_config_32(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u32 data);
	extern int rio_mport_read_config_16(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u16 * data);
	extern int rio_mport_write_config_16(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u16 data);
	extern int rio_mport_read_config_8(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u8 * data);
	extern int rio_mport_write_config_8(struct rio_mport *port, u16 destid,
	u8 hopcount, u32 offset, u8 data);

	/**
	* rio_local_read_config_32 - Read 32 bits from local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Pointer to read data into
	*
	* Reads 32 bits of data from the specified offset within the local
	* device's configuration space.
	*/
	static inline int rio_local_read_config_32(struct rio_mport *port, u32 offset,
	u32 * data)
	{
	return __rio_local_read_config_32(port, offset, data);
	}

	/**
	* rio_local_write_config_32 - Write 32 bits to local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Data to be written
	*
	* Writes 32 bits of data to the specified offset within the local
	* device's configuration space.
	*/
	static inline int rio_local_write_config_32(struct rio_mport *port, u32 offset,
	u32 data)
	{
	return __rio_local_write_config_32(port, offset, data);
	}

	/**
	* rio_local_read_config_16 - Read 16 bits from local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Pointer to read data into
	*
	* Reads 16 bits of data from the specified offset within the local
	* device's configuration space.
	*/
	static inline int rio_local_read_config_16(struct rio_mport *port, u32 offset,
	u16 * data)
	{
	return __rio_local_read_config_16(port, offset, data);
	}

	/**
	* rio_local_write_config_16 - Write 16 bits to local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Data to be written
	*
	* Writes 16 bits of data to the specified offset within the local
	* device's configuration space.
	*/

	static inline int rio_local_write_config_16(struct rio_mport *port, u32 offset,
	u16 data)
	{
	return __rio_local_write_config_16(port, offset, data);
	}

	/**
	* rio_local_read_config_8 - Read 8 bits from local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Pointer to read data into
	*
	* Reads 8 bits of data from the specified offset within the local
	* device's configuration space.
	*/
	static inline int rio_local_read_config_8(struct rio_mport *port, u32 offset,
	u8 * data)
	{
	return __rio_local_read_config_8(port, offset, data);
	}

	/**
	* rio_local_write_config_8 - Write 8 bits to local configuration space
	* @port: Master port
	* @offset: Offset into local configuration space
	* @data: Data to be written
	*
	* Writes 8 bits of data to the specified offset within the local
	* device's configuration space.
	*/
	static inline int rio_local_write_config_8(struct rio_mport *port, u32 offset,
	u8 data)
	{
	return __rio_local_write_config_8(port, offset, data);
	}

	/**
	* rio_read_config_32 - Read 32 bits from configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Pointer to read data into
	*
	* Reads 32 bits of data from the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_read_config_32(struct rio_dev *rdev, u32 offset,
	u32 * data)
	{
	return rio_mport_read_config_32(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	/**
	* rio_write_config_32 - Write 32 bits to configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Data to be written
	*
	* Writes 32 bits of data to the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_write_config_32(struct rio_dev *rdev, u32 offset,
	u32 data)
	{
	return rio_mport_write_config_32(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	/**
	* rio_read_config_16 - Read 16 bits from configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Pointer to read data into
	*
	* Reads 16 bits of data from the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_read_config_16(struct rio_dev *rdev, u32 offset,
	u16 * data)
	{
	return rio_mport_read_config_16(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	/**
	* rio_write_config_16 - Write 16 bits to configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Data to be written
	*
	* Writes 16 bits of data to the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_write_config_16(struct rio_dev *rdev, u32 offset,
	u16 data)
	{
	return rio_mport_write_config_16(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	/**
	* rio_read_config_8 - Read 8 bits from configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Pointer to read data into
	*
	* Reads 8 bits of data from the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_read_config_8(struct rio_dev rdev, u32 offset, u8 data)
	{
	return rio_mport_read_config_8(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	/**
	* rio_write_config_8 - Write 8 bits to configuration space
	* @rdev: RIO device
	* @offset: Offset into device configuration space
	* @data: Data to be written
	*
	* Writes 8 bits of data to the specified offset within the
	* RIO device's configuration space.
	*/
	static inline int rio_write_config_8(struct rio_dev *rdev, u32 offset, u8 data)
	{
	return rio_mport_write_config_8(rdev->net->hport, rdev->destid,
	rdev->hopcount, offset, data);
	};

	extern int rio_mport_send_doorbell(struct rio_mport *mport, u16 destid,
	u16 data);

	/**
	* rio_send_doorbell - Send a doorbell message to a device
	* @rdev: RIO device
	* @data: Doorbell message data
	*
	* Send a doorbell message to a RIO device. The doorbell message
	* has a 16-bit info field provided by the @data argument.
	*/
	static inline int rio_send_doorbell(struct rio_dev *rdev, u16 data)
	{
	return rio_mport_send_doorbell(rdev->net->hport, rdev->destid, data);
	};

	/**
	* rio_init_mbox_res - Initialize a RIO mailbox resource
	* @res: resource struct
	* @start: start of mailbox range
	* @end: end of mailbox range
	*
	* This function is used to initialize the fields of a resource
	* for use as a mailbox resource. It initializes a range of
	* mailboxes using the start and end arguments.
	*/
	static inline void rio_init_mbox_res(struct resource *res, int start, int end)
	{
	memset(res, 0, sizeof(struct resource));
	res->start = start;
	res->end = end;
	res->flags = RIO_RESOURCE_MAILBOX;
	}

	/**
	* rio_init_dbell_res - Initialize a RIO doorbell resource
	* @res: resource struct
	* @start: start of doorbell range
	* @end: end of doorbell range
	*
	* This function is used to initialize the fields of a resource
	* for use as a doorbell resource. It initializes a range of
	* doorbell messages using the start and end arguments.
	*/
	static inline void rio_init_dbell_res(struct resource *res, u16 start, u16 end)
	{
	memset(res, 0, sizeof(struct resource));
	res->start = start;
	res->end = end;
	res->flags = RIO_RESOURCE_DOORBELL;
	}

	/**
	* RIO_DEVICE - macro used to describe a specific RIO device
	* @dev: the 16 bit RIO device ID
	* @ven: the 16 bit RIO vendor ID
	*
	* This macro is used to create a struct rio_device_id that matches a
	* specific device. The assembly vendor and assembly device fields
	* will be set to %RIO_ANY_ID.
	*/
	#define RIO_DEVICE(dev,ven) \
	.did = (dev), .vid = (ven), \
	.asm_did = RIO_ANY_ID, .asm_vid = RIO_ANY_ID

	/* Mailbox management */
	extern int rio_request_outb_mbox(struct rio_mport , void , int, int,
	void ()(struct rio_mport , void *,int, int));
	extern int rio_release_outb_mbox(struct rio_mport *, int);

	/**
	* rio_add_outb_message - Add RIO message to an outbound mailbox queue
	* @mport: RIO master port containing the outbound queue
	* @rdev: RIO device the message is be sent to
	* @mbox: The outbound mailbox queue
	* @buffer: Pointer to the message buffer
	* @len: Length of the message buffer
	*
	* Adds a RIO message buffer to an outbound mailbox queue for
	* transmission. Returns 0 on success.
	*/
	static inline int rio_add_outb_message(struct rio_mport *mport,
	struct rio_dev *rdev, int mbox,
	void *buffer, size_t len)
	{
	return mport->ops->add_outb_message(mport, rdev, mbox,
	buffer, len);
	}

	extern int rio_request_inb_mbox(struct rio_mport , void , int, int,
	void ()(struct rio_mport , void *, int, int));
	extern int rio_release_inb_mbox(struct rio_mport *, int);

	/**
	* rio_add_inb_buffer - Add buffer to an inbound mailbox queue
	* @mport: Master port containing the inbound mailbox
	* @mbox: The inbound mailbox number
	* @buffer: Pointer to the message buffer
	*
	* Adds a buffer to an inbound mailbox queue for reception. Returns
	* 0 on success.
	*/
	static inline int rio_add_inb_buffer(struct rio_mport *mport, int mbox,
	void *buffer)
	{
	return mport->ops->add_inb_buffer(mport, mbox, buffer);
	}

	/**
	* rio_get_inb_message - Get A RIO message from an inbound mailbox queue
	* @mport: Master port containing the inbound mailbox
	* @mbox: The inbound mailbox number
	*
	* Get a RIO message from an inbound mailbox queue. Returns 0 on success.
	*/
	static inline void rio_get_inb_message(struct rio_mport mport, int mbox)
	{
	return mport->ops->get_inb_message(mport, mbox);
	}

	/* Doorbell management */
	extern int rio_request_inb_dbell(struct rio_mport , void , u16, u16,
	void ()(struct rio_mport , void *, u16, u16, u16));
	extern int rio_release_inb_dbell(struct rio_mport *, u16, u16);
	extern struct resource rio_request_outb_dbell(struct rio_dev , u16, u16);
	extern int rio_release_outb_dbell(struct rio_dev , struct resource );

	/* Memory region management */
	int rio_claim_resource(struct rio_dev *, int);
	int rio_request_regions(struct rio_dev , char );
	void rio_release_regions(struct rio_dev *);
	int rio_request_region(struct rio_dev , int, char );
	void rio_release_region(struct rio_dev *, int);

	/* Memory mapping functions */
	extern int rio_map_inb_region(struct rio_mport *mport, dma_addr_t local,
	u64 rbase, u32 size, u32 rflags);
	extern void rio_unmap_inb_region(struct rio_mport *mport, dma_addr_t lstart);

	/* Port-Write management */
	extern int rio_request_inb_pwrite(struct rio_dev *,
	int ()(struct rio_dev , union rio_pw_msg*, int));
	extern int rio_release_inb_pwrite(struct rio_dev *);
	extern int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg);

	/* LDM support */
	int rio_register_driver(struct rio_driver *);
	void rio_unregister_driver(struct rio_driver *);
	struct rio_dev rio_dev_get(struct rio_dev );
	void rio_dev_put(struct rio_dev *);

	#ifdef CONFIG_RAPIDIO_DMA_ENGINE
	extern struct dma_chan rio_request_dma(struct rio_dev rdev);
	extern void rio_release_dma(struct dma_chan *dchan);
	extern struct dma_async_tx_descriptor *rio_dma_prep_slave_sg(
	struct rio_dev rdev, struct dma_chan dchan,
	struct rio_dma_data *data,
	enum dma_transfer_direction direction, unsigned long flags);
	#endif

	/**
	* rio_name - Get the unique RIO device identifier
	* @rdev: RIO device
	*
	* Get the unique RIO device identifier. Returns the device
	* identifier string.
	*/
	static inline const char rio_name(struct rio_dev rdev)
	{
	return dev_name(&rdev->dev);
	}

	/**
	* rio_get_drvdata - Get RIO driver specific data
	* @rdev: RIO device
	*
	* Get RIO driver specific data. Returns a pointer to the
	* driver specific data.
	*/
	static inline void rio_get_drvdata(struct rio_dev rdev)
	{
	return dev_get_drvdata(&rdev->dev);
	}

	/**
	* rio_set_drvdata - Set RIO driver specific data
	* @rdev: RIO device
	* @data: Pointer to driver specific data
	*
	* Set RIO driver specific data. device struct driver data pointer
	* is set to the @data argument.
	*/
	static inline void rio_set_drvdata(struct rio_dev rdev, void data)
	{
	dev_set_drvdata(&rdev->dev, data);
	}

	/* Misc driver helpers */
	extern u16 rio_local_get_device_id(struct rio_mport *port);
	extern struct rio_dev rio_get_device(u16 vid, u16 did, struct rio_dev from);
	extern struct rio_dev *rio_get_asm(u16 vid, u16 did, u16 asm_vid, u16 asm_did,
	struct rio_dev *from);

	#endif /* LINUX_RIO_DRV_H */