2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice unmodified, this list of conditions, and the following
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.
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
29 #ifndef __QCOM_MDIO_IPQ4018_VAR_H__
30 #define __QCOM_MDIO_IPQ4018_VAR_H__
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)
37 * register space access macros
39 #define MDIO_WRITE(sc, reg, val) do { \
40 bus_write_4(sc->sc_mem_res, (reg), (val)); \
43 #define MDIO_READ(sc, reg) bus_read_4(sc->sc_mem_res, (reg))
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)
53 #define MDIO_SET_BITS(sc, reg, bits) \
54 GPIO_WRITE(sc, reg, MDIO_READ(sc, (reg)) | (bits))
56 #define MDIO_CLEAR_BITS(sc, reg, bits) \
57 GPIO_WRITE(sc, reg, MDIO_READ(sc, (reg)) & ~(bits))
59 struct qcom_mdio_ipq4018_softc {
62 struct resource *sc_mem_res;
63 size_t sc_mem_res_size;
68 #endif /* __QCOM_MDIO_IPQ4018_VAR_H__ */