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