xref: /freebsd/sys/dev/qcom_rnd/qcom_rnd_reg.h (revision f7c32ed617858bcd22f8d1b03199099d50125721)
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 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 ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef	__QCOM_RND_REG_H__
29 #define	__QCOM_RND_REG_H__
30 
31 #define	QCOM_RND_PRNG_DATA_OUT		0x0000
32 
33 #define	QCOM_RND_PRNG_STATUS		0x0004
34 #define	QCOM_RND_PRNG_STATUS_DATA_AVAIL			(1 << 0)
35 
36 #define	QCOM_RND_PRNG_LFSR_CFG		0x0100
37 #define		QCOM_RND_PRNG_LFSR_CFG_MASK		0x0000ffff
38 #define		QCOM_RND_PRNG_LFSR_CFG_CLOCKS		0x0000dddd
39 
40 #define	QCOM_RND_PRNG_CONFIG		0x0104
41 #define		QCOM_RND_PRNG_CONFIG_HW_ENABLE		(1 << 1)
42 
43 #endif /* __QCOM_RND_REG_H__ */
44