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 29#ifndef __ALPINE_SERDES_H__ 30#define __ALPINE_SERDES_H__ 31 32/* SerDes ETH mode */ 33enum alpine_serdes_eth_mode { 34 ALPINE_SERDES_ETH_MODE_SGMII, 35 ALPINE_SERDES_ETH_MODE_KR, 36}; 37 38/* 39 * Get SerDes group regs base, to be used in relevant Alpine drivers. 40 * Valid group is 0..3. 41 * Returns virtual base address of the group regs base. 42 */ 43void *alpine_serdes_resource_get(uint32_t group); 44 45/* 46 * Set SerDes ETH mode for an entire group, unless already set 47 * Valid group is 0..3. 48 * Returns 0 upon success. 49 */ 50int alpine_serdes_eth_mode_set(uint32_t group, 51 enum alpine_serdes_eth_mode mode); 52 53/* Lock the all serdes group for using common registers */ 54void alpine_serdes_eth_group_lock(uint32_t group); 55 56/* Unlock the all serdes group for using common registers */ 57void alpine_serdes_eth_group_unlock(uint32_t group); 58 59#endif /* __ALPINE_SERDES_H__ */ 60