313 lines
7.9 KiB
C
313 lines
7.9 KiB
C
/*****************************************************************************/
|
|
|
|
/*
|
|
* cd1400.h -- cd1400 UART hardware info.
|
|
*
|
|
* Copyright (c) 1995 Greg Ungerer (gerg@stallion.oz.au).
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Greg Ungerer.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
/*****************************************************************************/
|
|
#ifndef _CD1400_H
|
|
#define _CD1400_H
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the number of async ports per cd1400 uart chip.
|
|
*/
|
|
#define CD1400_PORTS 4
|
|
|
|
/*
|
|
* Define the cd1400 uarts internal FIFO sizes.
|
|
*/
|
|
#define CD1400_TXFIFOSIZE 12
|
|
#define CD1400_RXFIFOSIZE 12
|
|
|
|
/*
|
|
* Local RX FIFO thresh hold level. Also define the RTS thresh hold
|
|
* based on the RX thresh hold.
|
|
*/
|
|
#define FIFO_RXTHRESHOLD 6
|
|
#define FIFO_RTSTHRESHOLD 7
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the cd1400 register addresses. These are all the valid
|
|
* registers with the cd1400. Some are global, some virtual, some
|
|
* per port.
|
|
*/
|
|
#define GFRCR 0x40
|
|
#define CAR 0x68
|
|
#define GCR 0x4b
|
|
#define SVRR 0x67
|
|
#define RICR 0x44
|
|
#define TICR 0x45
|
|
#define MICR 0x46
|
|
#define RIR 0x6b
|
|
#define TIR 0x6a
|
|
#define MIR 0x69
|
|
#define PPR 0x7e
|
|
|
|
#define RIVR 0x43
|
|
#define TIVR 0x42
|
|
#define MIVR 0x41
|
|
#define TDR 0x63
|
|
#define RDSR 0x62
|
|
#define MISR 0x4c
|
|
#define EOSRR 0x60
|
|
|
|
#define LIVR 0x18
|
|
#define CCR 0x05
|
|
#define SRER 0x06
|
|
#define COR1 0x08
|
|
#define COR2 0x09
|
|
#define COR3 0x0a
|
|
#define COR4 0x1e
|
|
#define COR5 0x1f
|
|
#define CCSR 0x0b
|
|
#define RDCR 0x0e
|
|
#define SCHR1 0x1a
|
|
#define SCHR2 0x1b
|
|
#define SCHR3 0x1c
|
|
#define SCHR4 0x1d
|
|
#define SCRL 0x22
|
|
#define SCRH 0x23
|
|
#define LNC 0x24
|
|
#define MCOR1 0x15
|
|
#define MCOR2 0x16
|
|
#define RTPR 0x21
|
|
#define MSVR1 0x6c
|
|
#define MSVR2 0x6d
|
|
#define PSVR 0x6f
|
|
#define RBPR 0x78
|
|
#define RCOR 0x7c
|
|
#define TBPR 0x72
|
|
#define TCOR 0x76
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the set of baud rate clock divisors.
|
|
*/
|
|
#define CD1400_CLK0 8
|
|
#define CD1400_CLK1 32
|
|
#define CD1400_CLK2 128
|
|
#define CD1400_CLK3 512
|
|
#define CD1400_CLK4 2048
|
|
|
|
#define CD1400_NUMCLKS 5
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the clock pre-scalar value to be a 5 ms clock. This should be
|
|
* OK for now. It would probably be better to make it 10 ms, but we
|
|
* can't fit that divisor into 8 bits!
|
|
*/
|
|
#define PPR_SCALAR 244
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define values used to set character size options.
|
|
*/
|
|
#define COR1_CHL5 0x00
|
|
#define COR1_CHL6 0x01
|
|
#define COR1_CHL7 0x02
|
|
#define COR1_CHL8 0x03
|
|
|
|
/*
|
|
* Define values used to set the number of stop bits.
|
|
*/
|
|
#define COR1_STOP1 0x00
|
|
#define COR1_STOP15 0x04
|
|
#define COR1_STOP2 0x08
|
|
|
|
/*
|
|
* Define values used to set the parity scheme in use.
|
|
*/
|
|
#define COR1_PARNONE 0x00
|
|
#define COR1_PARFORCE 0x20
|
|
#define COR1_PARENB 0x40
|
|
#define COR1_PARIGNORE 0x10
|
|
|
|
#define COR1_PARODD 0x80
|
|
#define COR1_PAREVEN 0x00
|
|
|
|
#define COR2_IXM 0x80
|
|
#define COR2_TXIBE 0x40
|
|
#define COR2_ETC 0x20
|
|
#define COR2_LLM 0x10
|
|
#define COR2_RLM 0x08
|
|
#define COR2_RTSAO 0x04
|
|
#define COR2_CTSAE 0x02
|
|
|
|
#define COR3_SCDRNG 0x80
|
|
#define COR3_SCD34 0x40
|
|
#define COR3_FCT 0x20
|
|
#define COR3_SCD12 0x10
|
|
|
|
/*
|
|
* Define the bit values of COR4.
|
|
*/
|
|
#define COR4_BRKINT 0x08
|
|
#define COR4_IGNBRK 0x18
|
|
|
|
/*
|
|
* Define the bit values of COR5.
|
|
*/
|
|
#define COR5_ISTRIP 0x80
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the modem control register values.
|
|
* Note that the actual hardware is a little different to the conventional
|
|
* pin names on the cd1400.
|
|
*/
|
|
#define MSVR1_DTR 0x01
|
|
#define MSVR1_DSR 0x10
|
|
#define MSVR1_RI 0x20
|
|
#define MSVR1_CTS 0x40
|
|
#define MSVR1_DCD 0x80
|
|
|
|
#define MSVR2_RTS 0x02
|
|
#define MSVR2_DSR 0x10
|
|
#define MSVR2_RI 0x20
|
|
#define MSVR2_CTS 0x40
|
|
#define MSVR2_DCD 0x80
|
|
|
|
#define MCOR1_DCD 0x80
|
|
#define MCOR1_CTS 0x40
|
|
#define MCOR1_RI 0x20
|
|
#define MCOR1_DSR 0x10
|
|
|
|
#define MCOR2_DCD 0x80
|
|
#define MCOR2_CTS 0x40
|
|
#define MCOR2_RI 0x20
|
|
#define MCOR2_DSR 0x10
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the bits used with the service (interrupt) enable register.
|
|
*/
|
|
#define SRER_NNDT 0x01
|
|
#define SRER_TXEMPTY 0x02
|
|
#define SRER_TXDATA 0x04
|
|
#define SRER_RXDATA 0x10
|
|
#define SRER_MODEM 0x80
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define operational commands for the command register.
|
|
*/
|
|
#define CCR_RESET 0x80
|
|
#define CCR_CORCHANGE 0x4e
|
|
#define CCR_SENDCH 0x20
|
|
#define CCR_CHANCTRL 0x10
|
|
|
|
#define CCR_TXENABLE (CCR_CHANCTRL | 0x08)
|
|
#define CCR_TXDISABLE (CCR_CHANCTRL | 0x04)
|
|
#define CCR_RXENABLE (CCR_CHANCTRL | 0x02)
|
|
#define CCR_RXDISABLE (CCR_CHANCTRL | 0x01)
|
|
|
|
#define CCR_SENDSCHR1 (CCR_SENDCH | 0x01)
|
|
#define CCR_SENDSCHR2 (CCR_SENDCH | 0x02)
|
|
#define CCR_SENDSCHR3 (CCR_SENDCH | 0x03)
|
|
#define CCR_SENDSCHR4 (CCR_SENDCH | 0x04)
|
|
|
|
#define CCR_RESETCHAN (CCR_RESET | 0x00)
|
|
#define CCR_RESETFULL (CCR_RESET | 0x01)
|
|
#define CCR_TXFLUSHFIFO (CCR_RESET | 0x02)
|
|
|
|
#define CCR_MAXWAIT 10000
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the valid acknowledgement types (for hw ack cycle).
|
|
*/
|
|
#define ACK_TYPMASK 0x07
|
|
#define ACK_TYPTX 0x02
|
|
#define ACK_TYPMDM 0x01
|
|
#define ACK_TYPRXGOOD 0x03
|
|
#define ACK_TYPRXBAD 0x07
|
|
|
|
#define SVRR_RX 0x01
|
|
#define SVRR_TX 0x02
|
|
#define SVRR_MDM 0x04
|
|
|
|
#define ST_OVERRUN 0x01
|
|
#define ST_FRAMING 0x02
|
|
#define ST_PARITY 0x04
|
|
#define ST_BREAK 0x08
|
|
#define ST_SCHAR1 0x10
|
|
#define ST_SCHAR2 0x20
|
|
#define ST_SCHAR3 0x30
|
|
#define ST_SCHAR4 0x40
|
|
#define ST_RANGE 0x70
|
|
#define ST_SCHARMASK 0x70
|
|
#define ST_TIMEOUT 0x80
|
|
|
|
#define MISR_DCD 0x80
|
|
#define MISR_CTS 0x40
|
|
#define MISR_RI 0x20
|
|
#define MISR_DSR 0x10
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Defines for the CCSR status register.
|
|
*/
|
|
#define CCSR_RXENABLED 0x80
|
|
#define CCSR_RXFLOWON 0x40
|
|
#define CCSR_RXFLOWOFF 0x20
|
|
#define CCSR_TXENABLED 0x08
|
|
#define CCSR_TXFLOWON 0x04
|
|
#define CCSR_TXFLOWOFF 0x02
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Define the embedded commands.
|
|
*/
|
|
#define ETC_CMD 0x00
|
|
#define ETC_STARTBREAK 0x81
|
|
#define ETC_DELAY 0x82
|
|
#define ETC_STOPBREAK 0x83
|
|
|
|
/*****************************************************************************/
|
|
#endif
|