1249259Sdim/* $NetBSD: clmpccvar.h,v 1.11 2007/07/14 21:02:37 ad Exp $ */ 2249259Sdim 3249259Sdim/*- 4249259Sdim * Copyright (c) 1999 The NetBSD Foundation, Inc. 5249259Sdim * All rights reserved. 6249259Sdim * 7249259Sdim * This code is derived from software contributed to The NetBSD Foundation 8249259Sdim * by Steve C. Woodford. 9249259Sdim * 10249259Sdim * Redistribution and use in source and binary forms, with or without 11249259Sdim * modification, are permitted provided that the following conditions 12249259Sdim * are met: 13249259Sdim * 1. Redistributions of source code must retain the above copyright 14249259Sdim * notice, this list of conditions and the following disclaimer. 15249259Sdim * 2. Redistributions in binary form must reproduce the above copyright 16249259Sdim * notice, this list of conditions and the following disclaimer in the 17249259Sdim * documentation and/or other materials provided with the distribution. 18249259Sdim * 19249259Sdim * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20249259Sdim * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21249259Sdim * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22249259Sdim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23249259Sdim * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24249259Sdim * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25249259Sdim * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26249259Sdim * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27249259Sdim * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28249259Sdim * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29249259Sdim * POSSIBILITY OF SUCH DAMAGE. 30249259Sdim */ 31249259Sdim 32249259Sdim#ifndef __clmpccvar_h 33249259Sdim#define __clmpccvar_h 34249259Sdim 35249259Sdim 36249259Sdim/* Buffer size for character buffer */ 37249259Sdim#define CLMPCC_RING_SIZE 512 38249259Sdim 39249259Sdim/* How many channels per chip */ 40249259Sdim#define CLMPCC_NUM_CHANS 4 41249259Sdim 42249259Sdim/* Reasons for calling the MD code's iack hook function */ 43249259Sdim#define CLMPCC_IACK_MODEM 0 44249259Sdim#define CLMPCC_IACK_RX 1 45249259Sdim#define CLMPCC_IACK_TX 2 46249259Sdim 47249259Sdim 48249259Sdimstruct clmpcc_softc; 49249259Sdim 50249259Sdim/* 51249259Sdim * Each channel is represented by one of the following structures 52249259Sdim */ 53249259Sdimstruct clmpcc_chan { 54249259Sdim struct tty *ch_tty; /* This channel's tty structure */ 55249259Sdim struct clmpcc_softc *ch_sc; /* Pointer to chip's softc structure */ 56249259Sdim u_char ch_car; /* Channel number (CD2400_REG_CAR) */ 57249259Sdim u_char ch_openflags; /* Persistent TIOC flags */ 58249259Sdim volatile u_short ch_flags; /* Various channel-specific flags */ 59249259Sdim#define CLMPCC_FLG_IS_CONSOLE 0x0001 /* Channel is system console */ 60249259Sdim#define CLMPCC_FLG_START_BREAK 0x0002 61249259Sdim#define CLMPCC_FLG_END_BREAK 0x0004 62249259Sdim#define CLMPCC_FLG_FIFO_CLEAR 0x0008 63249259Sdim#define CLMPCC_FLG_UPDATE_PARMS 0x0010 64249259Sdim#define CLMPCC_FLG_NEED_INIT 0x0020 65249259Sdim 66249259Sdim u_char ch_tx_done; 67249259Sdim 68249259Sdim u_char ch_control; 69249259Sdim 70249259Sdim /* New port parameters wait here until written by the Tx ISR */ 71249259Sdim u_char ch_tcor; 72249259Sdim u_char ch_tbpr; 73249259Sdim u_char ch_rcor; 74249259Sdim u_char ch_rbpr; 75249259Sdim u_char ch_cor1; 76249259Sdim u_char ch_cor2; 77249259Sdim u_char ch_cor3; 78249259Sdim u_char ch_cor4; /* Current Rx Fifo threshold */ 79249259Sdim u_char ch_cor5; 80249259Sdim 81249259Sdim u_int8_t *ch_ibuf; /* Start of input ring buffer */ 82249259Sdim u_int8_t *ch_ibuf_end; /* End of input ring buffer */ 83249259Sdim u_int8_t *ch_ibuf_rd; /* Input buffer tail (reader) */ 84249259Sdim u_int8_t *ch_ibuf_wr; /* Input buffer head (writer) */ 85249259Sdim 86249259Sdim u_int8_t *ch_obuf_addr; /* Output buffer address */ 87249259Sdim u_int ch_obuf_size; /* Output buffer size (in bytes) */ 88249259Sdim}; 89249259Sdim 90249259Sdim 91249259Sdimstruct clmpcc_softc { 92249259Sdim struct device sc_dev; 93249259Sdim 94249259Sdim /* 95249259Sdim * The bus/MD-specific attachment code must initialise the 96249259Sdim * following fields before calling 'clmpcc_attach_subr()'. 97249259Sdim */ 98249259Sdim bus_space_tag_t sc_iot; /* Tag for parent bus */ 99249259Sdim bus_space_handle_t sc_ioh; /* Handle for chip's regs */ 100249259Sdim void *sc_data; /* MD-specific data */ 101249259Sdim int sc_clk; /* Clock-rate, in Hz */ 102249259Sdim struct evcnt *sc_evcnt; /* Parent Event Counter (or NULL) */ 103249259Sdim u_char sc_vector_base; /* Vector base reg, or 0 for auto */ 104249259Sdim u_char sc_rpilr; /* Receive Priority Interrupt Level */ 105249259Sdim u_char sc_tpilr; /* Transmit Priority Interrupt Level */ 106249259Sdim u_char sc_mpilr; /* Modem Priority Interrupt Level */ 107249259Sdim int sc_swaprtsdtr; /* Non-zero if RTS and DTR swapped */ 108249259Sdim u_int sc_byteswap; /* One of the following ... */ 109249259Sdim#define CLMPCC_BYTESWAP_LOW 0x00 /* *byteswap pin is low */ 110249259Sdim#define CLMPCC_BYTESWAP_HIGH 0x03 /* *byteswap pin is high */ 111249259Sdim 112249259Sdim void *sc_softintr_cookie; 113249259Sdim 114249259Sdim /* Called when an interrupt has to be acknowledged in polled mode. */ 115249259Sdim void (*sc_iackhook)(struct clmpcc_softc *, int); 116249259Sdim 117249259Sdim /* 118 * No user-serviceable parts below 119 */ 120 struct clmpcc_chan sc_chans[CLMPCC_NUM_CHANS]; 121}; 122 123extern void clmpcc_attach(struct clmpcc_softc *); 124extern int clmpcc_cnattach(struct clmpcc_softc *, int, int); 125extern int clmpcc_rxintr(void *); 126extern int clmpcc_txintr(void *); 127extern int clmpcc_mdintr(void *); 128extern void clmpcc_softintr(void *); 129 130#endif /* __clmpccvar_h */ 131