1/*-
2 * Copyright (c) 2015,2016 Annapurna Labs Ltd. and affiliates
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following 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 * $FreeBSD$
29 */
30
31#ifndef __ALPINE_SERDES_H__
32#define __ALPINE_SERDES_H__
33
34/* SerDes ETH mode */
35enum alpine_serdes_eth_mode {
36	ALPINE_SERDES_ETH_MODE_SGMII,
37	ALPINE_SERDES_ETH_MODE_KR,
38};
39
40/*
41 * Get SerDes group regs base, to be used in relevant Alpine drivers.
42 * Valid group is 0..3.
43 * Returns virtual base address of the group regs base.
44 */
45void *alpine_serdes_resource_get(uint32_t group);
46
47/*
48 * Set SerDes ETH mode for an entire group, unless already set
49 * Valid group is 0..3.
50 * Returns 0 upon success.
51 */
52int alpine_serdes_eth_mode_set(uint32_t group,
53    enum alpine_serdes_eth_mode mode);
54
55/* Lock the all serdes group for using common registers */
56void alpine_serdes_eth_group_lock(uint32_t group);
57
58/* Unlock the all serdes group for using common registers */
59void alpine_serdes_eth_group_unlock(uint32_t group);
60
61#endif /* __ALPINE_SERDES_H__ */
62