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dbrireg.h revision 1.2
      1 /*	$NetBSD: dbrireg.h,v 1.2 2005/07/28 21:36:48 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1997 Rudolf Koenig (rfkoenig (at) immd4.informatik.uni-erlangen.de)
      5  * Copyright (c) 1998, 1999 Brent Baccala (baccala (at) freesoft.org)
      6  * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill (at) netbsd.org>
      7  * Copyright (c) 2005 Michael Lorenz <macallan (at) netbsd.org>
      8  * All rights reserved.
      9  *
     10  * This driver is losely based on a Linux driver written by Rudolf Koenig and
     11  * Brent Baccala who kindly gave their permission to use their code in a
     12  * BSD-licensed driver.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. All advertising materials mentioning features or use of this software
     23  *    must display the following acknowledgement:
     24  *	This product includes software developed by Rudolf Koenig, Brent
     25  *      Baccala, Jared D. McNeill.
     26  * 4. Neither the name of the author nor the names of any contributors may
     27  *    be used to endorse or promote products derived from this software
     28  *    without specific prior written permission.
     29  *
     30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     40  * SUCH DAMAGE.
     41  *
     42  */
     43 
     44 #define DBRI_REG0		0x00L	/* status and control */
     45 #define	  DBRI_COMMAND_VALID	(1<<15)
     46 #define   DBRI_BURST_4		(1<<14)	/* allow 4-word sbus bursts */
     47 #define   DBRI_BURST_16		(1<<13)	/* allow 16-word sbus bursts */
     48 #define   DBRI_BURST_8		(1<<12)	/* allow 8-word sbus bursts */
     49 #define	  DBRI_CHI_ACTIVATE	(1<<4)	/* allow activation of CHI interface */
     50 #define	  DBRI_DISABLE_MASTER	(1<<2)	/* disable master mode */
     51 #define   DBRI_SOFT_RESET	(1<<0)	/* soft reset */
     52 #define	DBRI_REG1		0x04UL	/* mode and interrupt */
     53 #define	  DBRI_MRR		(1<<4)	/* multiple error ack on sbus */
     54 #define	  DBRI_MLE		(1<<3)	/* multiple late error on sbus */
     55 #define	  DBRI_LBG		(1<<2)	/* lost bus grant on sbus */
     56 #define	  DBRI_MBE		(1<<1)	/* burst error on sbus */
     57 #define DBRI_REG2		0x08UL	/* parallel I/O */
     58 #define	  DBRI_PIO2_ENABLE	(1<<6)	/* enable pin 2 */
     59 #define	  DBRI_PIO_ENABLE_ALL	(0xf0)	/* enable all the pins */
     60 #define	  DBRI_PIO3		(1<<3)	/* pin 3: 1: data mode, 0: ctrl mode */
     61 #define	  DBRI_PIO2		(1<<2)	/* pin 2: 1: onboard PDN */	/* XXX according to SPARCbook manual this is RESET */
     62 #define	  DBRI_PIO1		(1<<1)	/* pin 1: 0: reset */ 	/* XXX according to SPARCbook manual  this is PDN */
     63 #define	  DBRI_PIO0		(1<<0)	/* pin 0: 1: speakerbox PDN */
     64 #define DBRI_REG8		0x20UL	/* command queue pointer */
     65 #define	  DBRI_COMMAND_WAIT	0x0
     66 #define	  DBRI_COMMAND_PAUSE	0x1
     67 #define	  DBRI_COMMAND_IIQ	0x3
     68 #define	  DBRI_COMMAND_SDP	0x5
     69 #define	  DBRI_COMMAND_CDP	0x6
     70 #define	  DBRI_COMMAND_DTS	0x7
     71 #define	  DBRI_COMMAND_SSP	0x8
     72 #define	  DBRI_COMMAND_CHI	0x9
     73 #define	  DBRI_COMMAND_CDM	0xe	/* CHI data mode */
     74 
     75 /* interrupts */
     76 #define DBRI_INTR_BRDY		1	/* buffer ready for processing */
     77 #define DBRI_INTR_XCMP		8	/* transmission of frame complete */
     78 #define DBRI_INTR_SBRI		9	/* BRI status change info */
     79 #define DBRI_INTR_FXDT		10	/* fixed data change */
     80 #define DBRI_INTR_UNDR		15	/* DMA underrun */
     81 
     82 #define	DBRI_INTR_CMD		38
     83 
     84 /* setup data pipe */
     85 /* IRM */
     86 #define	DBRI_SDP_2SAME		(1<<18)	/* report 2nd time in a row recv val */
     87 #define	DBRI_SDP_CHANGE		(2<<18)	/* report any changes */
     88 #define	DBRI_SDP_EVERY		(3<<18) /* report any changes */
     89 /* pipe data mode */
     90 #define	DBRI_SDP_FIXED		(6<<13)	/* short only */
     91 #define	DBRI_SDP_TO_SER		(1<<12)	/* direction */
     92 #define DBRI_SDP_FROM_SER	(0<<12)	/* direction */
     93 #define DBRI_SDP_CLEAR		(1<<7)	/* clear */
     94 #define DBRI_SDP_VALID_POINTER	(1<<10)	/* pointer valid */
     95 #define DBRI_SDP_MEM		(0<<13)	/* to/from memory */
     96 #define DBRI_SDP_MSB		(1<<11)	/* bit order */
     97 #define DBRI_SDP_LSB		(0<<11)	/* bit order */
     98 
     99 /* define time slot */
    100 #define	DBRI_DTS_VI		(1<<17)	/* valid input time-slot descriptor */
    101 #define	DBRI_DTS_VO		(1<<16)	/* valid output time-slot descriptor */
    102 #define	DBRI_DTS_INS		(1<<15)	/* insert time-slot */
    103 #define	DBRI_DTS_DEL		(0<<15)	/* delete time-slot */
    104 #define	DBRI_DTS_PRVIN(v)	((v)<<10)	/* previous in-pipe */
    105 #define	DBRI_DTS_PRVOUT(v)	((v)<<5)	/* previous out-pipe */
    106 
    107 /* time slot defines */
    108 #define	DBRI_TS_ANCHOR		(7<<10)	/* starting short pipes */
    109 #define	DBRI_TS_NEXT(v)		((v)<<0) /* pipe #: 0-15 long, 16-21 short */
    110 #define	DBRI_TS_LEN(v)		((v)<<24) /* # of bits in this timeslot */
    111 #define	DBRI_TS_CYCLE(v)	((v)<<14) /* bit count at start of cycle */
    112 
    113 /* concentration highway interface (CHI) modes */
    114 #define	DBRI_CHI_CHICM(v)	((v)<<16)	/* clock mode */
    115 #define	DBRI_CHI_BPF(v)		((v)<<0)	/* bits per frame */
    116 #define	DBRI_CHI_FD		(1<<11)	/* frame drive */
    117 
    118 /* CHI data mode */
    119 #define	DBRI_CDM_XCE		(1<<2)	/* transmit on rising edge of CHICK */
    120 #define	DBRI_CDM_XEN		(1<<1)	/* transmit highway enable */
    121 #define	DBRI_CDM_REN		(1<<0)	/* receive highway enable */
    122 
    123 /* transmit descriptor defines */
    124 #define	DBRI_TD_CNT(v)		((v)<<16) /* # valid bytes in buffer */
    125 #define	DBRI_TD_STATUS(v)	((v)&0xff) /* transmit status */
    126 #define	DBRI_TD_EOF		(1<<31)	/* end of frame */
    127 #define	DBRI_TD_FINAL		(1<<15)	/* final interrupt */
    128 #define	DBRI_TD_IDLE		(1<<13)	/* transmit idle characters */
    129 #define	DBRI_TD_TBC		(1<<0)	/* transmit buffer complete */
    130