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      1 /*	$NetBSD: ti_iicreg.h,v 1.3 2019/10/31 10:21:29 jmcneill Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2013 Manuel Bouyer.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef _TI_IICREG_H
     28 #define _TI_IICREG_H
     29 
     30 #define		I2C_SYSC_CLKACTIVITY_OCP	0x0010
     31 #define		I2C_SYSC_CLKACTIVITY_SYSTEM	0x0020
     32 #define		I2C_SYSC_IDLE_MASK		0x0018
     33 #define		I2C_SYSC_IDLE_FORCE		0x0000
     34 #define		I2C_SYSC_IDLE_SMART		0x0010
     35 #define		I2C_SYSC_IDLE_NONE		0x0008
     36 #define		I2C_SYSC_ENAWAKEUP		0x0004
     37 #define		I2C_SYSC_SRST			0x0002
     38 #define		I2C_SYSC_AUTOIDLE		0x0001
     39 
     40 #define		I2C_IRQSTATUS_XDR		0x4000
     41 #define		I2C_IRQSTATUS_RDR		0x2000
     42 #define		I2C_IRQSTATUS_BB		0x1000
     43 #define		I2C_IRQSTATUS_ROVR		0x0800
     44 #define		I2C_IRQSTATUS_XUDF		0x0400
     45 #define		I2C_IRQSTATUS_AAS		0x0200
     46 #define		I2C_IRQSTATUS_BF		0x0100
     47 #define		I2C_IRQSTATUS_AERR		0x0080
     48 #define		I2C_IRQSTATUS_STC		0x0040
     49 #define		I2C_IRQSTATUS_GC		0x0020
     50 #define		I2C_IRQSTATUS_XRDY		0x0010
     51 #define		I2C_IRQSTATUS_RRDY		0x0008
     52 #define		I2C_IRQSTATUS_ARDY		0x0004
     53 #define		I2C_IRQSTATUS_NACK		0x0002
     54 #define		I2C_IRQSTATUS_AL		0x0001
     55 
     56 #define		I2C_DMARXENABLE			0x0001
     57 
     58 #define		I2C_DMATXENABLE			0x0001
     59 
     60 #define		I2C_SYSS_RDONE			0x0001
     61 
     62 #define		I2C_BUF_RDMA_EN			0x8000
     63 #define		I2C_BUF_RXFIFO_CLR		0x4000
     64 #define		I2C_BUF_RXTRSH_MASK		0x3f00
     65 #define		I2C_BUF_RXTRSH(x)		((x) << 8)
     66 #define		I2C_BUF_XDMA_EN			0x0080
     67 #define		I2C_BUF_TXFIFO_CLR		0x0040
     68 #define		I2C_BUF_TXTRSH_MASK		0x003f
     69 #define		I2C_BUF_TXTRSH(x)		((x) << 0)
     70 
     71 #define		I2C_CNT_MASK			0xffff
     72 
     73 #define		I2C_DATA_MASK			0x00ff
     74 
     75 #define		I2C_CON_EN			0x8000
     76 #define		I2C_CON_STB			0x0800
     77 #define		I2C_CON_MST			0x0400
     78 #define		I2C_CON_TRX			0x0200
     79 #define		I2C_CON_XSA			0x0100
     80 #define		I2C_CON_XOA0			0x0080
     81 #define		I2C_CON_XOA1			0x0040
     82 #define		I2C_CON_XOA2			0x0020
     83 #define		I2C_CON_XOA3			0x0010
     84 #define		I2C_CON_STP			0x0002
     85 #define		I2C_CON_STT			0x0001
     86 
     87 #define		I2C_OA_MASK			0x03ff
     88 
     89 #define		I2C_SA_MASK			0x03ff
     90 
     91 #define		I2C_PSC_MASK			0x000f
     92 
     93 #define		I2C_SCLL_MASK			0x000f
     94 
     95 #define		I2C_SCLH_MASK			0x000f
     96 
     97 #define		I2C_BUFSTAT_FIFODEPTH(x)	(((x) >> 14) & 0x03)
     98 #define		I2C_BUFSTAT_RXSTAT(x)		(((x) >>  8) & 0x3f)
     99 #define		I2C_BUFSTAT_TXSTAT(x)		(((x) >>  0) & 0x3f)
    100 
    101 #define		I2C_ACTOA_OA3_ACT		0x0008
    102 #define		I2C_ACTOA_OA2_ACT		0x0004
    103 #define		I2C_ACTOA_OA1_ACT		0x0002
    104 #define		I2C_ACTOA_OA0_ACT		0x0001
    105 
    106 #endif /* _TI_IICREG_H */
    107