xref: /freebsd/sys/dev/qcom_gcc/qcom_gcc_ipq4018_var.h (revision e92ffd9b626833ebdbf2742c8ffddc6cd94b963e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2021 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, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	__QCOM_GCC_IPQ4018_VAR_H__
31 #define	__QCOM_GCC_IPQ4018_VAR_H__
32 
33 struct qcom_gcc_ipq4018_reset_entry {
34 	uint32_t	reg;
35 	uint32_t	bit;
36 };
37 
38 struct qcom_gcc_ipq4018_softc {
39 	device_t		dev;
40 	int			reg_rid;
41 	struct resource		*reg;
42 	struct mtx		mtx;
43 	struct clkdom		*clkdom;
44 };
45 
46 /*
47  * reset block
48  */
49 extern	int qcom_gcc_ipq4018_hwreset_assert(device_t dev, intptr_t id,
50 	    bool reset);
51 extern	int qcom_gcc_ipq4018_hwreset_is_asserted(device_t dev, intptr_t id,
52 	    bool *reset);
53 
54 /*
55  * clock block
56  */
57 extern	int qcom_gcc_ipq4018_clock_read(device_t dev, bus_addr_t addr,
58 	    uint32_t *val);
59 extern	int qcom_gcc_ipq4018_clock_write(device_t dev, bus_addr_t addr,
60 	    uint32_t val);
61 extern	int qcom_gcc_ipq4018_clock_modify(device_t dev, bus_addr_t addr,
62      uint32_t clear_mask, uint32_t set_mask);
63 extern	void qcom_gcc_ipq4018_clock_setup(struct qcom_gcc_ipq4018_softc *sc);
64 extern	void qcom_gcc_ipq4018_clock_lock(device_t dev);
65 extern	void qcom_gcc_ipq4018_clock_unlock(device_t dev);
66 
67 #endif	/* __QCOM_GCC_IPQ4018_VAR_H__ */
68