xref: /freebsd/sys/dev/qcom_gcc/qcom_gcc_ipq4018_var.h (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
28 #ifndef	__QCOM_GCC_IPQ4018_VAR_H__
29 #define	__QCOM_GCC_IPQ4018_VAR_H__
30 
31 struct qcom_gcc_ipq4018_reset_entry {
32 	uint32_t	reg;
33 	uint32_t	bit;
34 };
35 
36 struct qcom_gcc_ipq4018_softc {
37 	device_t		dev;
38 	int			reg_rid;
39 	struct resource		*reg;
40 	struct mtx		mtx;
41 	struct clkdom		*clkdom;
42 };
43 
44 /*
45  * reset block
46  */
47 extern	int qcom_gcc_ipq4018_hwreset_assert(device_t dev, intptr_t id,
48 	    bool reset);
49 extern	int qcom_gcc_ipq4018_hwreset_is_asserted(device_t dev, intptr_t id,
50 	    bool *reset);
51 
52 /*
53  * clock block
54  */
55 extern	int qcom_gcc_ipq4018_clock_read(device_t dev, bus_addr_t addr,
56 	    uint32_t *val);
57 extern	int qcom_gcc_ipq4018_clock_write(device_t dev, bus_addr_t addr,
58 	    uint32_t val);
59 extern	int qcom_gcc_ipq4018_clock_modify(device_t dev, bus_addr_t addr,
60      uint32_t clear_mask, uint32_t set_mask);
61 extern	void qcom_gcc_ipq4018_clock_setup(struct qcom_gcc_ipq4018_softc *sc);
62 extern	void qcom_gcc_ipq4018_clock_lock(device_t dev);
63 extern	void qcom_gcc_ipq4018_clock_unlock(device_t dev);
64 
65 #endif	/* __QCOM_GCC_IPQ4018_VAR_H__ */
66