freebsd-skq/sys/arm/annapurna/alpine/alpine_serdes.h
wma 0e8c3cf473 Support for Alpine Serializer/Deserializer.
The exported functions will be used by
Alpine Ethernet driver.

Obtained from:         Semihalf
Submitted by:          Michal Stanek <mst@semihalf.com>
Sponsored by:          Annapurna Labs
Reviewed by:           wma
Differential Revision: https://reviews.freebsd.org/D7763
2016-10-20 11:26:51 +00:00

62 lines
2.2 KiB
C

/*-
* Copyright (c) 2015,2016 Annapurna Labs Ltd. and affiliates
* All rights reserved.
*
* Developed by Semihalf.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __ALPINE_SERDES_H__
#define __ALPINE_SERDES_H__
/* SerDes ETH mode */
enum alpine_serdes_eth_mode {
ALPINE_SERDES_ETH_MODE_SGMII,
ALPINE_SERDES_ETH_MODE_KR,
};
/*
* Get SerDes group regs base, to be used in relevant Alpine drivers.
* Valid group is 0..3.
* Returns virtual base address of the group regs base.
*/
void *alpine_serdes_resource_get(uint32_t group);
/*
* Set SerDes ETH mode for an entire group, unless already set
* Valid group is 0..3.
* Returns 0 upon success.
*/
int alpine_serdes_eth_mode_set(uint32_t group,
enum alpine_serdes_eth_mode mode);
/* Lock the all serdes group for using common registers */
void alpine_serdes_eth_group_lock(uint32_t group);
/* Unlock the all serdes group for using common registers */
void alpine_serdes_eth_group_unlock(uint32_t group);
#endif /* __ALPINE_SERDES_H__ */