/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2015 Landon Fuller <landon@landonf.org> * All rights reserved. * * 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_PCIE2_BHND_PCIE2_VAR_H_ #define _BHND_CORES_PCIE2_BHND_PCIE2_VAR_H_ #include <sys/param.h> #include <sys/bus.h> /* * Shared PCIe-G2 Bridge/Host Bridge definitions. */ DECLARE_CLASS(bhnd_pcie2_driver); struct bhnd_pcie2_softc; int bhnd_pcie2_generic_probe(device_t dev); int bhnd_pcie2_generic_attach(device_t dev); int bhnd_pcie2_generic_detach(device_t dev); int bhnd_pcie2_generic_suspend(device_t dev); int bhnd_pcie2_generic_resume(device_t dev); uint32_t bhnd_pcie2_read_proto_reg(struct bhnd_pcie2_softc *sc, uint32_t addr); void bhnd_pcie2_write_proto_reg(struct bhnd_pcie2_softc *sc, uint32_t addr, uint32_t val); int bhnd_pcie2_mdio_read(struct bhnd_pcie2_softc *sc, int phy, int reg); int bhnd_pcie2_mdio_write(struct bhnd_pcie2_softc *sc, int phy, int reg, int val); int bhnd_pcie2_mdio_read_ext(struct bhnd_pcie2_softc *sc, int phy, int devaddr, int reg); int bhnd_pcie2_mdio_write_ext(struct bhnd_pcie2_softc *sc, int phy, int devaddr, int reg, int val); /** * bhnd_pcie2 child device info */ struct bhnd_pcie2_devinfo { struct resource_list resources; }; /* * Generic PCIe-G2 bridge/end-point driver state. * * Must be first member of all subclass softc structures. */ struct bhnd_pcie2_softc { device_t dev; /**< pci device */ uint32_t quirks; /**< quirk flags */ struct mtx mtx; /**< state mutex used to protect interdependent register accesses. */ struct bhnd_resource *mem_res; /**< device register block. */ int mem_rid; /**< register block RID */ }; #define BHND_PCIE2_LOCK_INIT(sc) \ mtx_init(&(sc)->mtx, device_get_nameunit((sc)->dev), \ "BHND PCIe-G2 driver lock", MTX_DEF) #define BHND_PCIE2_LOCK(sc) mtx_lock(&(sc)->mtx) #define BHND_PCIE2_UNLOCK(sc) mtx_unlock(&(sc)->mtx) #define BHND_PCIE2_LOCK_ASSERT(sc, what) mtx_assert(&(sc)->mtx, what) #define BHND_PCIE2_LOCK_DESTROY(sc) mtx_destroy(&(sc)->mtx) #endif /* _BHND_CORES_PCIE2_BHND_PCIE2_VAR_H_ */ |