216 lines
6.4 KiB
C
216 lines
6.4 KiB
C
/* $NetBSD: magmareg.h,v 1.20 2018/07/09 14:07:37 christos Exp $ */
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/*-
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* Copyright (c) 1998 Iain Hibbert
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef MAGMA_DEBUG
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#define dprintf(x) printf x
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#else
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#define dprintf(x)
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#endif
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/* The mapping of minor device number -> card and port is done as
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* follows by default:
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*
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* +---+---+---+---+---+---+---+---+
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* | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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* +---+---+---+---+---+---+---+---+
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* | | | | | | | |
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* | | | | +---+---+---+---> port number
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* | | | |
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* | | | +-------------------> unused
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* | | |
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* | | +-----------------------> unused
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* | |
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* +---+---------------------------> card number
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*
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*/
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#define MAGMA_MAX_CARDS 4
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#define MAGMA_MAX_TTY 16
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#define MAGMA_MAX_BPP 2
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#define MAGMA_MAX_CD1400 4
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#define MAGMA_MAX_CD1190 2
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#define MAGMA_CARD(x) ((TTUNIT(x) >> 6) & 0x03)
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#define MAGMA_PORT(x) (TTUNIT(x) & 0x0f)
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#define MTTY_DIALOUT(x) TTDIALOUT(x)
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/*
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* Supported Card Types
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*/
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struct magma_board_info {
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const char *mb_sbusname; /* sbus_attach_args.sa_name */
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const char *mb_name; /* cardname to match against */
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const char *mb_realname; /* english card name */
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int mb_nser; /* number of serial ports */
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int mb_npar; /* number of parallel ports */
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int mb_ncd1400; /* number of CD1400 chips */
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int mb_svcackr; /* svcackr offset */
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int mb_svcackt; /* svcackt offset */
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int mb_svcackm; /* svcackm offset */
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int mb_cd1400[MAGMA_MAX_CD1400];/* cd1400 chip register offsets */
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int mb_ncd1190; /* number of CD1190 chips */
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int mb_cd1190[MAGMA_MAX_CD1190];/* cd1190 chip register offsets */
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};
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/*
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* cd1400 chip data
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*/
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struct cd1400 {
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volatile u_char *cd_reg; /* chip registers */
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int cd_chiprev; /* chip revision */
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int cd_clock; /* clock speed in MHz */
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int cd_parmode; /* parallel mode operation */
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};
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/*
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* cd1190 chip data
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*/
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struct cd1190 {
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volatile u_char *cd_reg; /* chip registers */
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int cd_chiprev; /* chip revision */
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};
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/* software state for each card */
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struct magma_softc {
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device_t ms_dev; /* required. must be first in softc */
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struct evcnt ms_intrcnt; /* statistics */
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/* cd1400 chip info */
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int ms_ncd1400;
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struct cd1400 ms_cd1400[MAGMA_MAX_CD1400];
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volatile u_char *ms_svcackr; /* CD1400 service acknowledge receive */
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volatile u_char *ms_svcackt; /* CD1400 service acknowledge transmit */
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volatile u_char *ms_svcackm; /* CD1400 service acknowledge modem */
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/* cd1190 chip info */
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int ms_ncd1190;
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struct cd1190 ms_cd1190[MAGMA_MAX_CD1190];
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struct magma_board_info *ms_board; /* what am I? */
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struct mtty_softc *ms_mtty;
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struct mbpp_softc *ms_mbpp;
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/* softintr(9) cookie */
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void *ms_sicookie;
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};
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#define MTTY_RBUF_SIZE (2 * 512)
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#define MTTY_RX_FIFO_THRESHOLD 6
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#define MTTY_RX_DTR_THRESHOLD 9
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struct mtty_port {
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struct cd1400 *mp_cd1400; /* ptr to chip */
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int mp_channel; /* and channel */
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struct tty *mp_tty;
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int mp_openflags; /* default tty flags */
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int mp_flags; /* port flags */
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int mp_carrier; /* state of carrier */
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u_char *mp_rbuf; /* ring buffer start */
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u_char *mp_rend; /* ring buffer end */
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u_char *mp_rget; /* ring buffer read pointer */
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u_char *mp_rput; /* ring buffer write pointer */
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u_char *mp_txp; /* transmit character pointer */
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int mp_txc; /* transmit character counter */
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};
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#define MTTYF_CARRIER_CHANGED (1<<0)
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#define MTTYF_SET_BREAK (1<<1)
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#define MTTYF_CLR_BREAK (1<<2)
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#define MTTYF_DONE (1<<3)
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#define MTTYF_STOP (1<<4)
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#define MTTYF_RING_OVERFLOW (1<<5)
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struct mtty_softc {
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device_t ms_dev; /* device info */
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int ms_nports; /* tty ports */
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struct mtty_port ms_port[MAGMA_MAX_TTY];
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};
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#define MBPP_RX_FIFO_THRESHOLD 25
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struct mbpp_port {
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struct cd1400 *mp_cd1400; /* for LC2+1Sp card */
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struct cd1190 *mp_cd1190; /* all the others */
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struct callout mp_timeout_ch;
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struct callout mp_start_ch;
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int mp_flags;
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struct mbpp_param mp_param;
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#define mp_burst mp_param.bp_burst
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#define mp_timeout mp_param.bp_timeout
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#define mp_delay mp_param.bp_delay
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u_char *mp_ptr; /* pointer to I/O data */
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int mp_cnt; /* count of I/O chars */
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};
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#define MBPPF_OPEN (1<<0)
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#define MBPPF_TIMEOUT (1<<1)
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#define MBPPF_UIO (1<<2)
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#define MBPPF_DELAY (1<<3)
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#define MBPPF_WAKEUP (1<<4)
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struct mbpp_softc {
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int ms_nports; /* parallel ports */
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struct mbpp_port ms_port[MAGMA_MAX_BPP];
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};
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/* internal function prototypes */
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int cd1400_compute_baud(speed_t, int, int *, int *);
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__inline void cd1400_write_ccr(struct cd1400 *, u_char);
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__inline u_char cd1400_read_reg(struct cd1400 *, int);
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__inline void cd1400_write_reg(struct cd1400 *, int, u_char);
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void cd1400_enable_transmitter(struct cd1400 *, int);
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int magma_match(device_t, cfdata_t, void *);
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void magma_attach(device_t, device_t, void *);
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int magma_hard(void *);
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void magma_soft(void *);
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int mtty_match(device_t, cfdata_t, void *);
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void mtty_attach(device_t, device_t, void *);
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int mtty_modem_control(struct mtty_port *, int, int);
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int mtty_param(struct tty *, struct termios *);
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void mtty_start(struct tty *);
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int mbpp_match(device_t, cfdata_t, void *);
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void mbpp_attach(device_t, device_t, void *);
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void mbpp_timeout(void *);
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void mbpp_start(void *);
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int mbpp_send(struct mbpp_port *, void *, int);
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int mbpp_recv(struct mbpp_port *, void *, int);
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int mbpp_hztoms(int);
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int mbpp_mstohz(int);
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