144 lines
5.2 KiB
C
144 lines
5.2 KiB
C
/* $NetBSD: clmpccvar.h,v 1.7 2001/06/10 08:27:42 scw Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Steve C. Woodford.
|
|
*
|
|
* 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 the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#ifndef __clmpccvar_h
|
|
#define __clmpccvar_h
|
|
|
|
|
|
/* Buffer size for character buffer */
|
|
#define CLMPCC_RING_SIZE 512
|
|
|
|
/* How many channels per chip */
|
|
#define CLMPCC_NUM_CHANS 4
|
|
|
|
/* Reasons for calling the MD code's iack hook function */
|
|
#define CLMPCC_IACK_MODEM 0
|
|
#define CLMPCC_IACK_RX 1
|
|
#define CLMPCC_IACK_TX 2
|
|
|
|
|
|
struct clmpcc_softc;
|
|
|
|
/*
|
|
* Each channel is represented by one of the following structures
|
|
*/
|
|
struct clmpcc_chan {
|
|
struct tty *ch_tty; /* This channel's tty structure */
|
|
struct clmpcc_softc *ch_sc; /* Pointer to chip's softc structure */
|
|
u_char ch_car; /* Channel number (CD2400_REG_CAR) */
|
|
u_char ch_openflags; /* Persistant TIOC flags */
|
|
volatile u_short ch_flags; /* Various channel-specific flags */
|
|
#define CLMPCC_FLG_IS_CONSOLE 0x0001 /* Channel is system console */
|
|
#define CLMPCC_FLG_START_BREAK 0x0002
|
|
#define CLMPCC_FLG_END_BREAK 0x0004
|
|
#define CLMPCC_FLG_FIFO_CLEAR 0x0008
|
|
#define CLMPCC_FLG_UPDATE_PARMS 0x0010
|
|
#define CLMPCC_FLG_NEED_INIT 0x0020
|
|
|
|
u_char ch_tx_done;
|
|
|
|
u_char ch_control;
|
|
|
|
/* New port parameters wait here until written by the Tx ISR */
|
|
u_char ch_tcor;
|
|
u_char ch_tbpr;
|
|
u_char ch_rcor;
|
|
u_char ch_rbpr;
|
|
u_char ch_cor1;
|
|
u_char ch_cor2;
|
|
u_char ch_cor3;
|
|
u_char ch_cor4; /* Current Rx Fifo threshold */
|
|
u_char ch_cor5;
|
|
|
|
u_int8_t *ch_ibuf; /* Start of input ring buffer */
|
|
u_int8_t *ch_ibuf_end; /* End of input ring buffer */
|
|
u_int8_t *ch_ibuf_rd; /* Input buffer tail (reader) */
|
|
u_int8_t *ch_ibuf_wr; /* Input buffer head (writer) */
|
|
|
|
u_int8_t *ch_obuf_addr; /* Output buffer address */
|
|
u_int ch_obuf_size; /* Output buffer size (in bytes) */
|
|
};
|
|
|
|
|
|
struct clmpcc_softc {
|
|
struct device sc_dev;
|
|
|
|
/*
|
|
* The bus/MD-specific attachment code must initialise the
|
|
* following fields before calling 'clmpcc_attach_subr()'.
|
|
*/
|
|
bus_space_tag_t sc_iot; /* Tag for parent bus */
|
|
bus_space_handle_t sc_ioh; /* Handle for chip's regs */
|
|
void *sc_data; /* MD-specific data */
|
|
int sc_clk; /* Clock-rate, in Hz */
|
|
struct evcnt *sc_evcnt; /* Parent Event Counter (or NULL) */
|
|
u_char sc_vector_base; /* Vector base reg, or 0 for auto */
|
|
u_char sc_rpilr; /* Receive Priority Interupt Level */
|
|
u_char sc_tpilr; /* Transmit Priority Interupt Level */
|
|
u_char sc_mpilr; /* Modem Priority Interupt Level */
|
|
int sc_swaprtsdtr; /* Non-zero if RTS and DTR swapped */
|
|
u_int sc_byteswap; /* One of the following ... */
|
|
#define CLMPCC_BYTESWAP_LOW 0x00 /* *byteswap pin is low */
|
|
#define CLMPCC_BYTESWAP_HIGH 0x03 /* *byteswap pin is high */
|
|
|
|
#ifndef __HAVE_GENERIC_SOFT_INTERRUPTS
|
|
/* Called to request a soft interrupt callback to clmpcc_softintr */
|
|
void (*sc_softhook) __P((struct clmpcc_softc *));
|
|
volatile int sc_soft_running;
|
|
#else
|
|
void *sc_softintr_cookie;
|
|
#endif
|
|
|
|
/* Called when an interrupt has to be acknowledged in polled mode. */
|
|
void (*sc_iackhook) __P((struct clmpcc_softc *, int));
|
|
|
|
/*
|
|
* No user-serviceable parts below
|
|
*/
|
|
struct clmpcc_chan sc_chans[CLMPCC_NUM_CHANS];
|
|
};
|
|
|
|
extern void clmpcc_attach __P((struct clmpcc_softc *));
|
|
extern int clmpcc_cnattach __P((struct clmpcc_softc *, int, int));
|
|
extern int clmpcc_rxintr __P((void *));
|
|
extern int clmpcc_txintr __P((void *));
|
|
extern int clmpcc_mdintr __P((void *));
|
|
extern void clmpcc_softintr __P((void *));
|
|
|
|
#endif /* __clmpccvar_h */
|