lkml.org 
[lkml]   [2005]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Subject[PATCH][2/5] RapidIO support: core includes
    Date
    From
    Add RapidIO core include files.

    The core code implements enumeration/discovery, management of
    devices/resources, and interfaces for RIO drivers.

    Signed-off-by: Matt Porter <mporter@kernel.crashing.org>

    diff --git a/include/linux/rio.h b/include/linux/rio.h
    new file mode 100644
    --- /dev/null
    +++ b/include/linux/rio.h
    @@ -0,0 +1,321 @@
    +/*
    + * RapidIO interconnect services
    + * (RapidIO Interconnect Specification, http://www.rapidio.org)
    + *
    + * 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_H
    +#define LINUX_RIO_H
    +
    +#ifdef __KERNEL__
    +
    +#include <linux/types.h>
    +#include <linux/config.h>
    +#include <linux/ioport.h>
    +#include <linux/list.h>
    +#include <linux/errno.h>
    +#include <linux/device.h>
    +#include <linux/rio_regs.h>
    +
    +#define RIO_ANY_DESTID 0xff
    +#define RIO_NO_HOPCOUNT -1
    +
    +#define RIO_MAX_MPORT_RESOURCES 16
    +#define RIO_MAX_DEV_RESOURCES 16
    +
    +#define RIO_GLOBAL_TABLE 0xff /* Indicates access of a switch's
    + global routing table if it
    + has multiple (or per port)
    + tables */
    +
    +#define RIO_INVALID_ROUTE 0xff /* Indicates that a route table
    + entry is invalid (no route
    + exists for the device ID) */
    +
    +#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
    +#define RIO_MAX_ROUTE_ENTRIES (1 << 8)
    +#else
    +#define RIO_MAX_ROUTE_ENTRIES (1 << 16)
    +#endif
    +
    +#define RIO_MAX_MBOX 4
    +#define RIO_MAX_MSG_SIZE 0x1000
    +
    +/*
    + * Error values that may be returned by RIO functions.
    + */
    +#define RIO_SUCCESSFUL 0x00
    +#define RIO_BAD_SIZE 0x81
    +
    +/*
    + * For RIO devices, the region numbers are assigned this way:
    + *
    + * 0 RapidIO outbound doorbells
    + * 1-15 RapidIO memory regions
    + *
    + * For RIO master ports, the region number are assigned this way:
    + *
    + * 0 RapidIO inbound doorbells
    + * 1 RapidIO inbound mailboxes
    + * 1 RapidIO outbound mailboxes
    + */
    +#define RIO_DOORBELL_RESOURCE 0
    +#define RIO_INB_MBOX_RESOURCE 1
    +#define RIO_OUTB_MBOX_RESOURCE 2
    +
    +extern struct bus_type rio_bus_type;
    +extern struct list_head rio_devices; /* list of all devices */
    +
    +struct rio_mport;
    +
    +/**
    + * struct rio_dev - RIO device info
    + * @global_list: Node in list of all RIO devices
    + * @net_list: Node in list of RIO devices in a network
    + * @net: Network this device is a part of
    + * @did: Device ID
    + * @vid: Vendor ID
    + * @device_rev: Device revision
    + * @asm_did: Assembly device ID
    + * @asm_vid: Assembly vendor ID
    + * @asm_rev: Assembly revision
    + * @efptr: Extended feature pointer
    + * @pef: Processing element features
    + * @swpinfo: Switch port info
    + * @src_ops: Source operation capabilities
    + * @dst_ops: Destination operation capabilities
    + * @rswitch: Pointer to &struct rio_switch if valid for this device
    + * @driver: Driver claiming this device
    + * @dev: Device model device
    + * @riores: RIO resources this device owns
    + * @destid: Network destination ID
    + */
    +struct rio_dev {
    + struct list_head global_list; /* node in list of all RIO devices */
    + struct list_head net_list; /* node in per net list */
    + struct rio_net *net; /* RIO net this device resides in */
    + u16 did;
    + u16 vid;
    + u32 device_rev;
    + u16 asm_did;
    + u16 asm_vid;
    + u16 asm_rev;
    + u16 efptr;
    + u32 pef;
    + u32 swpinfo; /* Only used for switches */
    + u32 src_ops;
    + u32 dst_ops;
    + struct rio_switch *rswitch; /* RIO switch info */
    + struct rio_driver *driver; /* RIO driver claiming this device */
    + struct device dev; /* LDM device structure */
    + struct resource riores[RIO_MAX_DEV_RESOURCES];
    + u16 destid;
    +};
    +
    +#define rio_dev_g(n) list_entry(n, struct rio_dev, global_list)
    +#define rio_dev_f(n) list_entry(n, struct rio_dev, net_list)
    +#define to_rio_dev(n) container_of(n, struct rio_dev, dev)
    +
    +/**
    + * struct rio_msg - RIO message event
    + * @res: Mailbox resource
    + * @mcback: Message event callback
    + */
    +struct rio_msg {
    + struct resource *res;
    + void (*mcback) (struct rio_mport * mport, int mbox, int slot);
    +};
    +
    +/**
    + * struct rio_dbell - RIO doorbell event
    + * @node: Node in list of doorbell events
    + * @res: Doorbell resource
    + * @dinb: Doorbell event callback
    + */
    +struct rio_dbell {
    + struct list_head node;
    + struct resource *res;
    + void (*dinb) (struct rio_mport * mport, u16 src, u16 dst, u16 info);
    +};
    +
    +/**
    + * struct rio_mport - RIO master port info
    + * @dbells: List of doorbell events
    + * @node: Node in global list of master ports
    + * @nnode: Node in network list of master ports
    + * @iores: I/O mem resource that this master port interface owns
    + * @riores: RIO resources that this master port interfaces owns
    + * @inb_msg: RIO inbound message event descriptors
    + * @outb_msg: RIO outbound message event descriptors
    + * @host_deviceid: Host device ID associated with this master port
    + * @ops: configuration space functions
    + * @id: Port ID, unique among all ports
    + * @index: Port index, unique among all port interfaces of the same type
    + * @name: Port name string
    + */
    +struct rio_mport {
    + struct list_head dbells; /* list of doorbell events */
    + struct list_head node; /* node in global list of ports */
    + struct list_head nnode; /* node in net list of ports */
    + struct resource iores;
    + struct resource riores[RIO_MAX_MPORT_RESOURCES];
    + struct rio_msg inb_msg[RIO_MAX_MBOX];
    + struct rio_msg outb_msg[RIO_MAX_MBOX];
    + int host_deviceid; /* Host device ID */
    + struct rio_ops *ops; /* maintenance transaction functions */
    + unsigned char id; /* port ID, unique among all ports */
    + unsigned char index; /* port index, unique among all port
    + interfaces of the same type */
    + unsigned char name[40];
    +};
    +
    +/**
    + * struct rio_net - RIO network info
    + * @node: Node in global list of RIO networks
    + * @devices: List of devices in this network
    + * @mports: List of master ports accessing this network
    + * @hport: Default port for accessing this network
    + * @id: RIO network ID
    + */
    +struct rio_net {
    + struct list_head node; /* node in list of networks */
    + struct list_head devices; /* list of devices in this net */
    + struct list_head mports; /* list of ports accessing net */
    + struct rio_mport *hport; /* primary port for accessing net */
    + unsigned char id; /* RIO network ID */
    +};
    +
    +/**
    + * struct rio_switch - RIO switch info
    + * @node: Node in global list of switches
    + * @switchid: Switch ID that is unique across a network
    + * @hopcount: Hopcount to this switch
    + * @destid: Associated destid in the path
    + * @route_table: Copy of switch routing table
    + * @add_entry: Callback for switch-specific route add function
    + * @get_entry: Callback for switch-specific route get function
    + */
    +struct rio_switch {
    + struct list_head node;
    + u16 switchid;
    + u16 hopcount;
    + u16 destid;
    + u8 route_table[RIO_MAX_ROUTE_ENTRIES];
    + int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
    + u16 table, u16 route_destid, u8 route_port);
    + int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
    + u16 table, u16 route_destid, u8 * route_port);
    +};
    +
    +/* Low-level architecture-dependent routines */
    +
    +/**
    + * struct rio_ops - Low-level RIO configuration space operations
    + * @lcread: Callback to perform local (master port) read of config space.
    + * @lcwrite: Callback to perform local (master port) write of config space.
    + * @cread: Callback to perform network read of config space.
    + * @cwrite: Callback to perform network write of config space.
    + * @dsend: Callback to send a doorbell message.
    + */
    +struct rio_ops {
    + int (*lcread) (int index, u32 offset, int len, u32 * data);
    + int (*lcwrite) (int index, u32 offset, int len, u32 data);
    + int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len,
    + u32 * data);
    + int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len,
    + u32 data);
    + int (*dsend) (int index, u16 destid, u16 data);
    +};
    +
    +#define RIO_RESOURCE_MEM 0x00000100
    +#define RIO_RESOURCE_DOORBELL 0x00000200
    +#define RIO_RESOURCE_MAILBOX 0x00000400
    +
    +#define RIO_RESOURCE_CACHEABLE 0x00010000
    +#define RIO_RESOURCE_PCI 0x00020000
    +
    +#define RIO_RESOURCE_BUSY 0x80000000
    +
    +/**
    + * struct rio_driver - RIO driver info
    + * @node: Node in list of drivers
    + * @name: RIO driver name
    + * @id_table: RIO device ids to be associated with this driver
    + * @probe: RIO device inserted
    + * @remove: RIO device removed
    + * @suspend: RIO device suspended
    + * @resume: RIO device awakened
    + * @enable_wake: RIO device enable wake event
    + * @driver: LDM driver struct
    + *
    + * Provides info on a RIO device driver for insertion/removal and
    + * power management purposes.
    + */
    +struct rio_driver {
    + struct list_head node;
    + char *name;
    + const struct rio_device_id *id_table;
    + int (*probe) (struct rio_dev * dev, const struct rio_device_id * id);
    + void (*remove) (struct rio_dev * dev);
    + int (*suspend) (struct rio_dev * dev, u32 state);
    + int (*resume) (struct rio_dev * dev);
    + int (*enable_wake) (struct rio_dev * dev, u32 state, int enable);
    + struct device_driver driver;
    +};
    +
    +#define to_rio_driver(drv) container_of(drv,struct rio_driver, driver)
    +
    +/**
    + * struct rio_device_id - RIO device identifier
    + * @did: RIO device ID
    + * @vid: RIO vendor ID
    + * @asm_did: RIO assembly device ID
    + * @asm_vid: RIO assembly vendor ID
    + *
    + * Identifies a RIO device based on both the device/vendor IDs and
    + * the assembly device/vendor IDs.
    + */
    +struct rio_device_id {
    + u16 did, vid;
    + u16 asm_did, asm_vid;
    +};
    +
    +/**
    + * struct rio_route_ops - Per-switch route operations
    + * @vid: RIO vendor ID
    + * @did: RIO device ID
    + * @add_hook: Callback that adds a route entry
    + * @get_hook: Callback that gets a route entry
    + *
    + * Defines the operations that are necessary to manipulate the route
    + * tables for a particular RIO switch device.
    + */
    +struct rio_route_ops {
    + u16 vid, did;
    + int (*add_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
    + u16 table, u16 route_destid, u8 route_port);
    + int (*get_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
    + u16 table, u16 route_destid, u8 * route_port);
    +};
    +
    +/* Architecture and hardware-specific functions */
    +extern int rio_init_mports(void);
    +extern void rio_register_mport(struct rio_mport *);
    +extern int rio_hw_add_outb_message(struct rio_mport *, struct rio_dev *, int,
    + void *, size_t);
    +extern int rio_hw_add_inb_buffer(struct rio_mport *, int, void *);
    +extern void *rio_hw_get_inb_message(struct rio_mport *, int);
    +extern int rio_open_inb_mbox(struct rio_mport *, int, int);
    +extern void rio_close_inb_mbox(struct rio_mport *, int);
    +extern int rio_open_outb_mbox(struct rio_mport *, int, int);
    +extern void rio_close_outb_mbox(struct rio_mport *, int);
    +
    +#endif /* __KERNEL__ */
    +#endif /* LINUX_RIO_H */
    diff --git a/include/linux/rio_drv.h b/include/linux/rio_drv.h
    new file mode 100644
    --- /dev/null
    +++ b/include/linux/rio_drv.h
    @@ -0,0 +1,469 @@
    +/*
    + * 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
    +
    +#ifdef __KERNEL__
    +
    +#include <linux/types.h>
    +#include <linux/config.h>
    +#include <linux/ioport.h>
    +#include <linux/list.h>
    +#include <linux/errno.h>
    +#include <linux/device.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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_read_config_32(rdev->net->hport, destid, 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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_write_config_32(rdev->net->hport, destid, 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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_read_config_16(rdev->net->hport, destid, 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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_write_config_16(rdev->net->hport, destid, 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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_read_config_8(rdev->net->hport, destid, 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)
    +{
    + u8 hopcount = 0xff;
    + u16 destid = rdev->destid;
    +
    + if (rdev->rswitch) {
    + destid = rdev->rswitch->destid;
    + hopcount = rdev->rswitch->hopcount;
    + }
    +
    + return rio_mport_write_config_8(rdev->net->hport, destid, 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
    + * @vid: the 16 bit RIO vendor ID
    + * @did: the 16 bit RIO device 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 *, int, int,
    + void (*)(struct rio_mport *, 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 rio_hw_add_outb_message(mport, rdev, mbox, buffer, len);
    +}
    +
    +extern int rio_request_inb_mbox(struct rio_mport *, int, int,
    + void (*)(struct rio_mport *, 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 rio_hw_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
    + * @buffer: Pointer to the message buffer
    + *
    + * 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 rio_hw_get_inb_message(mport, mbox);
    +}
    +
    +/* Doorbell management */
    +extern int rio_request_inb_dbell(struct rio_mport *, u16, u16,
    + void (*)(struct rio_mport *, 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);
    +
    +/* 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 *);
    +
    +/**
    + * rio_name - Get the unique RIO device identifier
    + * @rdev: RIO device
    + *
    + * Get the unique RIO device identifier. Returns the device
    + * identifier string.
    + */
    +static inline char *rio_name(struct rio_dev *rdev)
    +{
    + return rdev->dev.bus_id;
    +}
    +
    +/**
    + * 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 /* __KERNEL__ */
    +#endif /* LINUX_RIO_DRV_H */
    diff --git a/include/linux/rio_ids.h b/include/linux/rio_ids.h
    new file mode 100644
    --- /dev/null
    +++ b/include/linux/rio_ids.h
    @@ -0,0 +1,24 @@
    +/*
    + * RapidIO devices
    + *
    + * 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_IDS_H
    +#define LINUX_RIO_IDS_H
    +
    +#define RIO_ANY_ID 0xffff
    +
    +#define RIO_VID_FREESCALE 0x0002
    +#define RIO_DID_MPC8560 0x0003
    +
    +#define RIO_VID_TUNDRA 0x000d
    +#define RIO_DID_TSI500 0x0500
    +
    +#endif /* LINUX_RIO_IDS_H */
    diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
    new file mode 100644
    --- /dev/null
    +++ b/include/linux/rio_regs.h
    @@ -0,0 +1,202 @@
    +/*
    + * RapidIO register definitions
    + *
    + * 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_REGS_H
    +#define LINUX_RIO_REGS_H
    +
    +/*
    + * In RapidIO, each device has a 2MB configuration space that is
    + * accessed via maintenance transactions. Portions of configuration
    + * space are standardized and/or reserved.
    + */
    +#define RIO_DEV_ID_CAR 0x00 /* [I] Device Identity CAR */
    +#define RIO_DEV_INFO_CAR 0x04 /* [I] Device Information CAR */
    +#define RIO_ASM_ID_CAR 0x08 /* [I] Assembly Identity CAR */
    +#define RIO_ASM_ID_MASK 0xffff0000 /* [I] Asm ID Mask */
    +#define RIO_ASM_VEN_ID_MASK 0x0000ffff /* [I] Asm Vend Mask */
    +
    +#define RIO_ASM_INFO_CAR 0x0c /* [I] Assembly Information CAR */
    +#define RIO_ASM_REV_MASK 0xffff0000 /* [I] Asm Rev Mask */
    +#define RIO_EXT_FTR_PTR_MASK 0x0000ffff /* [I] EF_PTR Mask */
    +
    +#define RIO_PEF_CAR 0x10 /* [I] Processing Element Features CAR */
    +#define RIO_PEF_BRIDGE 0x80000000 /* [I] Bridge */
    +#define RIO_PEF_MEMORY 0x40000000 /* [I] MMIO */
    +#define RIO_PEF_PROCESSOR 0x20000000 /* [I] Processor */
    +#define RIO_PEF_SWITCH 0x10000000 /* [I] Switch */
    +#define RIO_PEF_INB_MBOX 0x00f00000 /* [II] Mailboxes */
    +#define RIO_PEF_INB_MBOX0 0x00800000 /* [II] Mailbox 0 */
    +#define RIO_PEF_INB_MBOX1 0x00400000 /* [II] Mailbox 1 */
    +#define RIO_PEF_INB_MBOX2 0x00200000 /* [II] Mailbox 2 */
    +#define RIO_PEF_INB_MBOX3 0x00100000 /* [II] Mailbox 3 */
    +#define RIO_PEF_INB_DOORBELL 0x00080000 /* [II] Doorbells */
    +#define RIO_PEF_CTLS 0x00000010 /* [III] CTLS */
    +#define RIO_PEF_EXT_FEATURES 0x00000008 /* [I] EFT_PTR valid */
    +#define RIO_PEF_ADDR_66 0x00000004 /* [I] 66 bits */
    +#define RIO_PEF_ADDR_50 0x00000002 /* [I] 50 bits */
    +#define RIO_PEF_ADDR_34 0x00000001 /* [I] 34 bits */
    +
    +#define RIO_SWP_INFO_CAR 0x14 /* [I] Switch Port Information CAR */
    +#define RIO_SWP_INFO_PORT_TOTAL_MASK 0x0000ff00 /* [I] Total number of ports */
    +#define RIO_SWP_INFO_PORT_NUM_MASK 0x000000ff /* [I] Maintenance transaction port number */
    +#define RIO_GET_TOTAL_PORTS(x) ((x & RIO_SWP_INFO_PORT_TOTAL_MASK) >> 8)
    +
    +#define RIO_SRC_OPS_CAR 0x18 /* [I] Source Operations CAR */
    +#define RIO_SRC_OPS_READ 0x00008000 /* [I] Read op */
    +#define RIO_SRC_OPS_WRITE 0x00004000 /* [I] Write op */
    +#define RIO_SRC_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
    +#define RIO_SRC_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
    +#define RIO_SRC_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
    +#define RIO_SRC_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
    +#define RIO_SRC_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
    +#define RIO_SRC_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
    +#define RIO_SRC_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
    +#define RIO_SRC_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
    +#define RIO_SRC_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
    +#define RIO_SRC_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
    +
    +#define RIO_DST_OPS_CAR 0x1c /* Destination Operations CAR */
    +#define RIO_DST_OPS_READ 0x00008000 /* [I] Read op */
    +#define RIO_DST_OPS_WRITE 0x00004000 /* [I] Write op */
    +#define RIO_DST_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
    +#define RIO_DST_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
    +#define RIO_DST_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
    +#define RIO_DST_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
    +#define RIO_DST_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
    +#define RIO_DST_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
    +#define RIO_DST_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
    +#define RIO_DST_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
    +#define RIO_DST_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
    +#define RIO_DST_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
    +
    + /* 0x20-0x3c *//* Reserved */
    +
    +#define RIO_MBOX_CSR 0x40 /* [II] Mailbox CSR */
    +#define RIO_MBOX0_AVAIL 0x80000000 /* [II] Mbox 0 avail */
    +#define RIO_MBOX0_FULL 0x40000000 /* [II] Mbox 0 full */
    +#define RIO_MBOX0_EMPTY 0x20000000 /* [II] Mbox 0 empty */
    +#define RIO_MBOX0_BUSY 0x10000000 /* [II] Mbox 0 busy */
    +#define RIO_MBOX0_FAIL 0x08000000 /* [II] Mbox 0 fail */
    +#define RIO_MBOX0_ERROR 0x04000000 /* [II] Mbox 0 error */
    +#define RIO_MBOX1_AVAIL 0x00800000 /* [II] Mbox 1 avail */
    +#define RIO_MBOX1_FULL 0x00200000 /* [II] Mbox 1 full */
    +#define RIO_MBOX1_EMPTY 0x00200000 /* [II] Mbox 1 empty */
    +#define RIO_MBOX1_BUSY 0x00100000 /* [II] Mbox 1 busy */
    +#define RIO_MBOX1_FAIL 0x00080000 /* [II] Mbox 1 fail */
    +#define RIO_MBOX1_ERROR 0x00040000 /* [II] Mbox 1 error */
    +#define RIO_MBOX2_AVAIL 0x00008000 /* [II] Mbox 2 avail */
    +#define RIO_MBOX2_FULL 0x00004000 /* [II] Mbox 2 full */
    +#define RIO_MBOX2_EMPTY 0x00002000 /* [II] Mbox 2 empty */
    +#define RIO_MBOX2_BUSY 0x00001000 /* [II] Mbox 2 busy */
    +#define RIO_MBOX2_FAIL 0x00000800 /* [II] Mbox 2 fail */
    +#define RIO_MBOX2_ERROR 0x00000400 /* [II] Mbox 2 error */
    +#define RIO_MBOX3_AVAIL 0x00000080 /* [II] Mbox 3 avail */
    +#define RIO_MBOX3_FULL 0x00000040 /* [II] Mbox 3 full */
    +#define RIO_MBOX3_EMPTY 0x00000020 /* [II] Mbox 3 empty */
    +#define RIO_MBOX3_BUSY 0x00000010 /* [II] Mbox 3 busy */
    +#define RIO_MBOX3_FAIL 0x00000008 /* [II] Mbox 3 fail */
    +#define RIO_MBOX3_ERROR 0x00000004 /* [II] Mbox 3 error */
    +
    +#define RIO_WRITE_PORT_CSR 0x44 /* [I] Write Port CSR */
    +#define RIO_DOORBELL_CSR 0x44 /* [II] Doorbell CSR */
    +#define RIO_DOORBELL_AVAIL 0x80000000 /* [II] Doorbell avail */
    +#define RIO_DOORBELL_FULL 0x40000000 /* [II] Doorbell full */
    +#define RIO_DOORBELL_EMPTY 0x20000000 /* [II] Doorbell empty */
    +#define RIO_DOORBELL_BUSY 0x10000000 /* [II] Doorbell busy */
    +#define RIO_DOORBELL_FAILED 0x08000000 /* [II] Doorbell failed */
    +#define RIO_DOORBELL_ERROR 0x04000000 /* [II] Doorbell error */
    +#define RIO_WRITE_PORT_AVAILABLE 0x00000080 /* [I] Write Port Available */
    +#define RIO_WRITE_PORT_FULL 0x00000040 /* [I] Write Port Full */
    +#define RIO_WRITE_PORT_EMPTY 0x00000020 /* [I] Write Port Empty */
    +#define RIO_WRITE_PORT_BUSY 0x00000010 /* [I] Write Port Busy */
    +#define RIO_WRITE_PORT_FAILED 0x00000008 /* [I] Write Port Failed */
    +#define RIO_WRITE_PORT_ERROR 0x00000004 /* [I] Write Port Error */
    +
    + /* 0x48 *//* Reserved */
    +
    +#define RIO_PELL_CTRL_CSR 0x4c /* [I] PE Logical Layer Control CSR */
    +#define RIO_PELL_ADDR_66 0x00000004 /* [I] 66-bit addr */
    +#define RIO_PELL_ADDR_50 0x00000002 /* [I] 50-bit addr */
    +#define RIO_PELL_ADDR_34 0x00000001 /* [I] 34-bit addr */
    +
    + /* 0x50-0x54 *//* Reserved */
    +
    +#define RIO_LCSH_BA 0x58 /* [I] LCS High Base Address */
    +#define RIO_LCSL_BA 0x5c /* [I] LCS Base Address */
    +
    +#define RIO_DID_CSR 0x60 /* [III] Base Device ID CSR */
    +
    + /* 0x64 *//* Reserved */
    +
    +#define RIO_HOST_DID_LOCK_CSR 0x68 /* [III] Host Base Device ID Lock CSR */
    +#define RIO_COMPONENT_TAG_CSR 0x6c /* [III] Component Tag CSR */
    +
    + /* 0x70-0xf8 *//* Reserved */
    + /* 0x100-0xfff8 *//* [I] Extended Features Space */
    + /* 0x10000-0xfffff8 *//* [I] Implementation-defined Space */
    +
    +/*
    + * Extended Features Space is a configuration space area where
    + * functionality is mapped into extended feature blocks via a
    + * singly linked list of extended feature pointers (EFT_PTR).
    + *
    + * Each extended feature block can be identified/located in
    + * Extended Features Space by walking the extended feature
    + * list starting with the Extended Feature Pointer located
    + * in the Assembly Information CAR.
    + *
    + * Extended Feature Blocks (EFBs) are identified with an assigned
    + * EFB ID. Extended feature block offsets in the definitions are
    + * relative to the offset of the EFB within the Extended Features
    + * Space.
    + */
    +
    +/* Helper macros to parse the Extended Feature Block header */
    +#define RIO_EFB_PTR_MASK 0xffff0000
    +#define RIO_EFB_ID_MASK 0x0000ffff
    +#define RIO_GET_BLOCK_PTR(x) ((x & RIO_EFB_PTR_MASK) >> 16)
    +#define RIO_GET_BLOCK_ID(x) (x & RIO_EFB_ID_MASK)
    +
    +/* Extended Feature Block IDs */
    +#define RIO_EFB_PAR_EP_ID 0x0001 /* [IV] LP/LVDS EP Devices */
    +#define RIO_EFB_PAR_EP_REC_ID 0x0002 /* [IV] LP/LVDS EP Recovery Devices */
    +#define RIO_EFB_PAR_EP_FREE_ID 0x0003 /* [IV] LP/LVDS EP Free Devices */
    +#define RIO_EFB_SER_EP_ID 0x0004 /* [VI] LP/Serial EP Devices */
    +#define RIO_EFB_SER_EP_REC_ID 0x0005 /* [VI] LP/Serial EP Recovery Devices */
    +#define RIO_EFB_SER_EP_FREE_ID 0x0006 /* [VI] LP/Serial EP Free Devices */
    +
    +/*
    + * Physical 8/16 LP-LVDS
    + * ID=0x0001, Generic End Point Devices
    + * ID=0x0002, Generic End Point Devices, software assisted recovery option
    + * ID=0x0003, Generic End Point Free Devices
    + *
    + * Physical LP-Serial
    + * ID=0x0004, Generic End Point Devices
    + * ID=0x0005, Generic End Point Devices, software assisted recovery option
    + * ID=0x0006, Generic End Point Free Devices
    + */
    +#define RIO_PORT_MNT_HEADER 0x0000
    +#define RIO_PORT_REQ_CTL_CSR 0x0020
    +#define RIO_PORT_RSP_CTL_CSR 0x0024 /* 0x0001/0x0002 */
    +#define RIO_PORT_GEN_CTL_CSR 0x003c
    +#define RIO_PORT_GEN_HOST 0x80000000
    +#define RIO_PORT_GEN_MASTER 0x40000000
    +#define RIO_PORT_GEN_DISCOVERED 0x20000000
    +#define RIO_PORT_N_MNT_REQ_CSR(x) (0x0040 + x*0x20) /* 0x0002 */
    +#define RIO_PORT_N_MNT_RSP_CSR(x) (0x0044 + x*0x20) /* 0x0002 */
    +#define RIO_PORT_N_ACK_STS_CSR(x) (0x0048 + x*0x20) /* 0x0002 */
    +#define RIO_PORT_N_ERR_STS_CSR(x) (0x58 + x*0x20)
    +#define PORT_N_ERR_STS_PORT_OK 0x00000002
    +#define RIO_PORT_N_CTL_CSR(x) (0x5c + x*0x20)
    +
    +#endif /* LINUX_RIO_REGS_H */
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-06-07 01:20    [W:0.185 / U:0.672 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site