bhnd_pcie2_var.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2015 Landon Fuller <landon@landonf.org>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer,
   12  *    without modification.
   13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
   15  *    redistribution must be conditioned upon including a substantially
   16  *    similar Disclaimer requirement for further binary redistribution.
   17  *
   18  * NO WARRANTY
   19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
   22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
   24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   29  * THE POSSIBILITY OF SUCH DAMAGES.
   30  * 
   31  * $FreeBSD$
   32  */
   33 
   34 #ifndef _BHND_CORES_PCIE2_BHND_PCIE2_VAR_H_
   35 #define _BHND_CORES_PCIE2_BHND_PCIE2_VAR_H_
   36 
   37 #include <sys/param.h>
   38 #include <sys/bus.h>
   39 
   40 /*
   41  * Shared PCIe-G2 Bridge/Host Bridge definitions.
   42  */
   43 
   44 DECLARE_CLASS(bhnd_pcie2_driver);
   45 struct bhnd_pcie2_softc;
   46 
   47 int             bhnd_pcie2_generic_probe(device_t dev);
   48 int             bhnd_pcie2_generic_attach(device_t dev);
   49 int             bhnd_pcie2_generic_detach(device_t dev);
   50 int             bhnd_pcie2_generic_suspend(device_t dev);
   51 int             bhnd_pcie2_generic_resume(device_t dev);
   52 
   53 uint32_t        bhnd_pcie2_read_proto_reg(struct bhnd_pcie2_softc *sc,
   54                     uint32_t addr);
   55 void            bhnd_pcie2_write_proto_reg(struct bhnd_pcie2_softc *sc,
   56                     uint32_t addr, uint32_t val);
   57 int             bhnd_pcie2_mdio_read(struct bhnd_pcie2_softc *sc, int phy,
   58                     int reg);
   59 int             bhnd_pcie2_mdio_write(struct bhnd_pcie2_softc *sc, int phy,
   60                     int reg, int val);
   61 int             bhnd_pcie2_mdio_read_ext(struct bhnd_pcie2_softc *sc, int phy,
   62                     int devaddr, int reg);
   63 int             bhnd_pcie2_mdio_write_ext(struct bhnd_pcie2_softc *sc,
   64                     int phy, int devaddr, int reg, int val);
   65 
   66 /**
   67  * bhnd_pcie2 child device info
   68  */
   69 struct bhnd_pcie2_devinfo {
   70         struct resource_list    resources;
   71 };
   72 
   73 /*
   74  * Generic PCIe-G2 bridge/end-point driver state.
   75  * 
   76  * Must be first member of all subclass softc structures.
   77  */
   78 struct bhnd_pcie2_softc {
   79         device_t                 dev;           /**< pci device */
   80         uint32_t                 quirks;        /**< quirk flags */
   81 
   82         struct mtx               mtx;           /**< state mutex used to protect
   83                                                      interdependent register
   84                                                      accesses. */
   85 
   86         struct bhnd_resource    *mem_res;       /**< device register block. */
   87         int                      mem_rid;       /**< register block RID */
   88 };
   89 
   90 #define BHND_PCIE2_LOCK_INIT(sc) \
   91         mtx_init(&(sc)->mtx, device_get_nameunit((sc)->dev), \
   92             "BHND PCIe-G2 driver lock", MTX_DEF)
   93 #define BHND_PCIE2_LOCK(sc)                     mtx_lock(&(sc)->mtx)
   94 #define BHND_PCIE2_UNLOCK(sc)                   mtx_unlock(&(sc)->mtx)
   95 #define BHND_PCIE2_LOCK_ASSERT(sc, what)        mtx_assert(&(sc)->mtx, what)
   96 #define BHND_PCIE2_LOCK_DESTROY(sc)             mtx_destroy(&(sc)->mtx)
   97 
   98 #endif /* _BHND_CORES_PCIE2_BHND_PCIE2_VAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/bhnd/cores/pcie2/bhnd_pcie2_var.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/bhnd/cores/pcie2/bhnd_pcie2_var.h