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      1 /* $NetBSD: bcm2835_bscreg.h,v 1.1 2013/01/05 20:15:17 jakllsch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2012 Jonathan A. Kollasch
      5  * All rights reserved.
      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 COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _BROADCOM_BCM2835_BSCREG_H_
     30 #define _BROADCOM_BCM2835_BSCREG_H_
     31 
     32 #include <sys/cdefs.h>
     33 
     34 #define __BIT32(x)	((uint32_t)__BIT(x))
     35 #define __BITS32(x, y)	((uint32_t)__BITS((x), (y)))
     36 
     37 #define BSC_C		0x000
     38 #define BSC_C_READ		__BIT32(0)
     39 #define BSC_C_CLEAR		__BITS32(5,4)
     40 #define BSC_C_CLEAR_NONE	__SHIFTIN(0, BSC_C_CLEAR)
     41 #define BSC_C_CLEAR_CLEAR	__SHIFTIN(3, BSC_C_CLEAR)
     42 #define BSC_C_ST		__BIT32(7)
     43 #define BSC_C_INTD		__BIT32(8)
     44 #define BSC_C_INTT		__BIT32(9)
     45 #define BSC_C_INTR		__BIT32(10)
     46 #define BSC_C_I2CEN		__BIT32(15)
     47 
     48 #define BSC_S		0x004
     49 #define BSC_S_TA		__BIT32(0)
     50 #define BSC_S_DONE		__BIT32(1)
     51 #define BSC_S_TXW		__BIT32(2)
     52 #define BSC_S_RXR		__BIT32(3)
     53 #define BSC_S_TXD		__BIT32(4)
     54 #define BSC_S_RXD		__BIT32(5)
     55 #define BSC_S_TXE		__BIT32(6)
     56 #define BSC_S_RXF		__BIT32(7)
     57 #define BSC_S_ERR		__BIT32(8)
     58 #define BSC_S_CLKT		__BIT32(9)
     59 
     60 #define BSC_DLEN	0x008
     61 #define BSC_DLEN_DLEN		__BITS32(15,0)
     62 
     63 #define BSC_A		0x00c
     64 #define BSC_A_ADDR		__BITS32(6,0)
     65 
     66 #define BSC_FIFO	0x010
     67 #define BSC_FIFO_DATA		__BITS32(7,0)
     68 
     69 #define BSC_DIV		0x014
     70 #define BSC_DIV_CDIV		__BITS32(15,0)
     71 
     72 #define BSC_DEL		0x018
     73 #define BSC_DEL_REDL		__BITS32(15,0)
     74 #define BSC_DEL_FEDL		__BITS32(31,16)
     75 
     76 #define BSC_CLKT	0x01c
     77 #define BSC_CLKT_TOUT		__BITS32(15,0)
     78 
     79 #endif /* _BROADCOM_BCM2835_BSCREG_H_ */
     80