/* $NetBSD: clmpccvar.h,v 1.11 2007/07/14 21:02:37 ad 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; /* Persistent 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 Interrupt Level */ u_char sc_tpilr; /* Transmit Priority Interrupt Level */ u_char sc_mpilr; /* Modem Priority Interrupt 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 */ void *sc_softintr_cookie; /* Called when an interrupt has to be acknowledged in polled mode. */ void (*sc_iackhook)(struct clmpcc_softc *, int); /* * No user-serviceable parts below */ struct clmpcc_chan sc_chans[CLMPCC_NUM_CHANS]; }; extern void clmpcc_attach(struct clmpcc_softc *); extern int clmpcc_cnattach(struct clmpcc_softc *, int, int); extern int clmpcc_rxintr(void *); extern int clmpcc_txintr(void *); extern int clmpcc_mdintr(void *); extern void clmpcc_softintr(void *); #endif /* __clmpccvar_h */