/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/*
 * Driver for Microsemi VSC85xx PHYs
 *
 * Copyright (C) 2020 Microsemi Corporation
 */

#ifndef _MSCC_PHY_FC_BUFFER_H_
#define _MSCC_PHY_FC_BUFFER_H_

#define MSCC_FCBUF_ENA_CFG                                      0x00
#define MSCC_FCBUF_MODE_CFG                                     0x01
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG                    0x02
#define MSCC_FCBUF_TX_CTRL_QUEUE_CFG                            0x03
#define MSCC_FCBUF_TX_DATA_QUEUE_CFG                            0x04
#define MSCC_FCBUF_RX_DATA_QUEUE_CFG                            0x05
#define MSCC_FCBUF_TX_BUFF_XON_XOFF_THRESH_CFG                  0x06
#define MSCC_FCBUF_FC_READ_THRESH_CFG                           0x07
#define MSCC_FCBUF_TX_FRM_GAP_COMP                              0x08

#define MSCC_FCBUF_ENA_CFG_TX_ENA                               BIT(0)
#define MSCC_FCBUF_ENA_CFG_RX_ENA                               BIT(4)

#define MSCC_FCBUF_MODE_CFG_DROP_BEHAVIOUR                      BIT(4)
#define MSCC_FCBUF_MODE_CFG_PAUSE_REACT_ENA                     BIT(8)
#define MSCC_FCBUF_MODE_CFG_RX_PPM_RATE_ADAPT_ENA               BIT(12)
#define MSCC_FCBUF_MODE_CFG_TX_PPM_RATE_ADAPT_ENA               BIT(16)
#define MSCC_FCBUF_MODE_CFG_TX_CTRL_QUEUE_ENA                   BIT(20)
#define MSCC_FCBUF_MODE_CFG_PAUSE_GEN_ENA                       BIT(24)
#define MSCC_FCBUF_MODE_CFG_INCLUDE_PAUSE_RCVD_IN_PAUSE_GEN     BIT(28)

#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_TX_THRESH(x)       (x)
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_TX_THRESH_M        GENMASK(15, 0)
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_TX_OFFSET(x)       ((x) << 16)
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_TX_OFFSET_M        GENMASK(19, 16)
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_RX_THRESH(x)       ((x) << 20)
#define MSCC_FCBUF_PPM_RATE_ADAPT_THRESH_CFG_RX_THRESH_M        GENMASK(31, 20)

#define MSCC_FCBUF_TX_CTRL_QUEUE_CFG_START(x)                   (x)
#define MSCC_FCBUF_TX_CTRL_QUEUE_CFG_START_M                    GENMASK(15, 0)
#define MSCC_FCBUF_TX_CTRL_QUEUE_CFG_END(x)                     ((x) << 16)
#define MSCC_FCBUF_TX_CTRL_QUEUE_CFG_END_M                      GENMASK(31, 16)

#define MSCC_FCBUF_TX_DATA_QUEUE_CFG_START(x)                   (x)
#define MSCC_FCBUF_TX_DATA_QUEUE_CFG_START_M                    GENMASK(15, 0)
#define MSCC_FCBUF_TX_DATA_QUEUE_CFG_END(x)                     ((x) << 16)
#define MSCC_FCBUF_TX_DATA_QUEUE_CFG_END_M                      GENMASK(31, 16)

#define MSCC_FCBUF_RX_DATA_QUEUE_CFG_START(x)                   (x)
#define MSCC_FCBUF_RX_DATA_QUEUE_CFG_START_M                    GENMASK(15, 0)
#define MSCC_FCBUF_RX_DATA_QUEUE_CFG_END(x)                     ((x) << 16)
#define MSCC_FCBUF_RX_DATA_QUEUE_CFG_END_M                      GENMASK(31, 16)

#define MSCC_FCBUF_TX_BUFF_XON_XOFF_THRESH_CFG_XOFF_THRESH(x)   (x)
#define MSCC_FCBUF_TX_BUFF_XON_XOFF_THRESH_CFG_XOFF_THRESH_M    GENMASK(15, 0)
#define MSCC_FCBUF_TX_BUFF_XON_XOFF_THRESH_CFG_XON_THRESH(x)    ((x) << 16)
#define MSCC_FCBUF_TX_BUFF_XON_XOFF_THRESH_CFG_XON_THRESH_M     GENMASK(31, 16)

#define MSCC_FCBUF_FC_READ_THRESH_CFG_TX_THRESH(x)              (x)
#define MSCC_FCBUF_FC_READ_THRESH_CFG_TX_THRESH_M               GENMASK(15, 0)
#define MSCC_FCBUF_FC_READ_THRESH_CFG_RX_THRESH(x)              ((x) << 16)
#define MSCC_FCBUF_FC_READ_THRESH_CFG_RX_THRESH_M               GENMASK(31, 16)

#endif /* _MSCC_PHY_FC_BUFFER_H_ */