1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice unmodified, this list of conditions, and the following 11 * disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef __QCOM_MDIO_IPQ4018_VAR_H__ 30 #define __QCOM_MDIO_IPQ4018_VAR_H__ 31 32 #define MDIO_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 33 #define MDIO_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 34 #define MDIO_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 35 36 /* 37 * register space access macros 38 */ 39 #define MDIO_WRITE(sc, reg, val) do { \ 40 bus_write_4(sc->sc_mem_res, (reg), (val)); \ 41 } while (0) 42 43 #define MDIO_READ(sc, reg) bus_read_4(sc->sc_mem_res, (reg)) 44 45 #define MDIO_BARRIER_WRITE(sc) bus_barrier((sc)->sc_mem_res, \ 46 0, (sc)->sc_mem_res_size, BUS_SPACE_BARRIER_WRITE) 47 #define MDIO_BARRIER_READ(sc) bus_barrier((sc)->sc_mem_res, \ 48 0, (sc)->sc_mem_res_size, BUS_SPACE_BARRIER_READ) 49 #define MDIO_BARRIER_RW(sc) bus_barrier((sc)->sc_mem_res, \ 50 0, (sc)->sc_mem_res_size, \ 51 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) 52 53 #define MDIO_SET_BITS(sc, reg, bits) \ 54 GPIO_WRITE(sc, reg, MDIO_READ(sc, (reg)) | (bits)) 55 56 #define MDIO_CLEAR_BITS(sc, reg, bits) \ 57 GPIO_WRITE(sc, reg, MDIO_READ(sc, (reg)) & ~(bits)) 58 59 struct qcom_mdio_ipq4018_softc { 60 device_t sc_dev; 61 struct mtx sc_mtx; 62 struct resource *sc_mem_res; 63 size_t sc_mem_res_size; 64 int sc_mem_rid; 65 uint32_t sc_debug; 66 }; 67 68 #endif /* __QCOM_MDIO_IPQ4018_VAR_H__ */ 69