FreeBSD/Linux Kernel Cross Reference
sys/dev/bhnd/cores/chipc/chipc_private.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
      * Copyright (c) 2017 The FreeBSD Foundation
      * All rights reserved.
      *
      * Portions of this software were developed by Landon Fuller
      * under sponsorship from the FreeBSD Foundation.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer,
     *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     *    redistribution must be conditioned upon including a substantially
     *    similar Disclaimer requirement for further binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
     * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGES.
     * 
     * $FreeBSD$
     */
    
    #ifndef _BHND_CORES_CHIPC_CHIPC_PRIVATE_H_
    #define _BHND_CORES_CHIPC_CHIPC_PRIVATE_H_
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/bus.h>
    #include <sys/rman.h>
    
    #include <machine/bus.h>
    #include <machine/resource.h>
    
    #include <dev/bhnd/bhnd.h>
    #include <dev/bhnd/bhndvar.h>
    
    /*
     * Private bhnd_chipc(4) driver definitions.
     */
    
    struct chipc_caps;
    struct chipc_region;
    struct chipc_softc;
    
    int                      chipc_init_child_resource(struct resource *r,
                                 struct resource *parent, 
                                 bhnd_size_t offset, bhnd_size_t size);
    
    int                      chipc_set_irq_resource(struct chipc_softc *sc,
                                 device_t child, int rid, u_int intr);
    int                      chipc_set_mem_resource(struct chipc_softc *sc,
                                 device_t child, int rid, rman_res_t start,
                                 rman_res_t count, u_int port, u_int region);
    
    struct chipc_region     *chipc_alloc_region(struct chipc_softc *sc,
                                 bhnd_port_type type, u_int port,
                                 u_int region);
    void                     chipc_free_region(struct chipc_softc *sc,
                                 struct chipc_region *cr);
    struct chipc_region     *chipc_find_region(struct chipc_softc *sc,
                                 rman_res_t start, rman_res_t end);
    struct chipc_region     *chipc_find_region_by_rid(struct chipc_softc *sc,
                                 int rid);
    
    int                      chipc_retain_region(struct chipc_softc *sc,
                                 struct chipc_region *cr, int flags);
    int                      chipc_release_region(struct chipc_softc *sc,
                                 struct chipc_region *cr, int flags);
    
    void                     chipc_print_caps(device_t dev,
                                 struct chipc_caps *caps);
    
    /**
     * chipc SYS_RES_MEMORY region allocation record.
     */
    struct chipc_region {
            bhnd_port_type           cr_port_type;  /**< bhnd port type */
            u_int                    cr_port_num;   /**< bhnd port number */
            u_int                    cr_region_num; /**< bhnd region number */
    
            bhnd_addr_t              cr_addr;       /**< region base address */
            bhnd_addr_t              cr_end;        /**< region end address */
            bhnd_size_t              cr_count;      /**< region count */
            int                      cr_rid;        /**< rid to use when performing
                                                        resource allocation, or -1
                                                        if region has no assigned
                                                        resource ID */
   
           struct bhnd_resource    *cr_res;        /**< bus resource, or NULL */
           int                      cr_res_rid;    /**< cr_res RID, if any. */
           u_int                    cr_refs;       /**< RF_ALLOCATED refcount */
           u_int                    cr_act_refs;   /**< RF_ACTIVE refcount */
   
           STAILQ_ENTRY(chipc_region) cr_link;
   };
   
   #endif /* _BHND_CORES_CHIPC_CHIPC_PRIVATE_H_ */

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