/*      $NetBSD: ti_iicreg.h,v 1.3 2019/10/31 10:21:29 jmcneill Exp $   */

/*
 * Copyright (c) 2013 Manuel Bouyer.  All rights reserved.
 *
 * 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 ``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 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.
 */

#ifndef _TI_IICREG_H
#define _TI_IICREG_H

#define         I2C_SYSC_CLKACTIVITY_OCP        0x0010
#define         I2C_SYSC_CLKACTIVITY_SYSTEM     0x0020
#define         I2C_SYSC_IDLE_MASK              0x0018
#define         I2C_SYSC_IDLE_FORCE             0x0000
#define         I2C_SYSC_IDLE_SMART             0x0010
#define         I2C_SYSC_IDLE_NONE              0x0008
#define         I2C_SYSC_ENAWAKEUP              0x0004
#define         I2C_SYSC_SRST                   0x0002
#define         I2C_SYSC_AUTOIDLE               0x0001

#define         I2C_IRQSTATUS_XDR               0x4000
#define         I2C_IRQSTATUS_RDR               0x2000
#define         I2C_IRQSTATUS_BB                0x1000
#define         I2C_IRQSTATUS_ROVR              0x0800
#define         I2C_IRQSTATUS_XUDF              0x0400
#define         I2C_IRQSTATUS_AAS               0x0200
#define         I2C_IRQSTATUS_BF                0x0100
#define         I2C_IRQSTATUS_AERR              0x0080
#define         I2C_IRQSTATUS_STC               0x0040
#define         I2C_IRQSTATUS_GC                0x0020
#define         I2C_IRQSTATUS_XRDY              0x0010
#define         I2C_IRQSTATUS_RRDY              0x0008
#define         I2C_IRQSTATUS_ARDY              0x0004
#define         I2C_IRQSTATUS_NACK              0x0002
#define         I2C_IRQSTATUS_AL                0x0001

#define         I2C_DMARXENABLE                 0x0001

#define         I2C_DMATXENABLE                 0x0001

#define         I2C_SYSS_RDONE                  0x0001

#define         I2C_BUF_RDMA_EN                 0x8000
#define         I2C_BUF_RXFIFO_CLR              0x4000
#define         I2C_BUF_RXTRSH_MASK             0x3f00
#define         I2C_BUF_RXTRSH(x)               ((x) << 8)
#define         I2C_BUF_XDMA_EN                 0x0080
#define         I2C_BUF_TXFIFO_CLR              0x0040
#define         I2C_BUF_TXTRSH_MASK             0x003f
#define         I2C_BUF_TXTRSH(x)               ((x) << 0)

#define         I2C_CNT_MASK                    0xffff

#define         I2C_DATA_MASK                   0x00ff

#define         I2C_CON_EN                      0x8000
#define         I2C_CON_STB                     0x0800
#define         I2C_CON_MST                     0x0400
#define         I2C_CON_TRX                     0x0200
#define         I2C_CON_XSA                     0x0100
#define         I2C_CON_XOA0                    0x0080
#define         I2C_CON_XOA1                    0x0040
#define         I2C_CON_XOA2                    0x0020
#define         I2C_CON_XOA3                    0x0010
#define         I2C_CON_STP                     0x0002
#define         I2C_CON_STT                     0x0001

#define         I2C_OA_MASK                     0x03ff

#define         I2C_SA_MASK                     0x03ff

#define         I2C_PSC_MASK                    0x000f

#define         I2C_SCLL_MASK                   0x000f

#define         I2C_SCLH_MASK                   0x000f

#define         I2C_BUFSTAT_FIFODEPTH(x)        (((x) >> 14) & 0x03)
#define         I2C_BUFSTAT_RXSTAT(x)           (((x) >>  8) & 0x3f)
#define         I2C_BUFSTAT_TXSTAT(x)           (((x) >>  0) & 0x3f)

#define         I2C_ACTOA_OA3_ACT               0x0008
#define         I2C_ACTOA_OA2_ACT               0x0004
#define         I2C_ACTOA_OA1_ACT               0x0002
#define         I2C_ACTOA_OA0_ACT               0x0001

#endif /* _TI_IICREG_H */