magmareg.h revision 1.1
1 /* $NetBSD: magmareg.h,v 1.1 1998/05/19 23:58:54 pk Exp $ */ 2 /* magmareg.h 3 * 4 * Copyright (c) 1998 Iain Hibbert 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Iain Hibbert 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 #ifdef MAGMA_DEBUG 35 #define dprintf(x) printf x 36 #else 37 #define dprintf(x) 38 #endif 39 40 /* The mapping of minor device number -> card and port is done as 41 * follows by default: 42 * 43 * +---+---+---+---+---+---+---+---+ 44 * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | 45 * +---+---+---+---+---+---+---+---+ 46 * | | | | | | | | 47 * | | | | +---+---+---+---> port number 48 * | | | | 49 * | | | +-------------------> dialout (on tty ports) 50 * | | | 51 * | | +-----------------------> unused 52 * | | 53 * +---+---------------------------> card number 54 * 55 */ 56 57 #define MAGMA_MAX_CARDS 4 58 #define MAGMA_MAX_TTY 16 59 #define MAGMA_MAX_BPP 2 60 #define MAGMA_MAX_CD1400 4 61 #define MAGMA_MAX_CD1190 2 62 63 #define MAGMA_CARD(x) ((minor(x) >> 6) & 0x03) 64 #define MAGMA_PORT(x) (minor(x) & 0x0f) 65 66 #define MTTY_DIALOUT(x) (minor(x) & 0x10) 67 68 /* 69 * Supported Card Types 70 */ 71 struct magma_board_info { 72 char *mb_name; /* cardname to match against */ 73 char *mb_realname; /* english card name */ 74 int mb_nser; /* number of serial ports */ 75 int mb_npar; /* number of parallel ports */ 76 int mb_ncd1400; /* number of CD1400 chips */ 77 int mb_svcackr; /* svcackr offset */ 78 int mb_svcackt; /* svcackt offset */ 79 int mb_svcackm; /* svcackm offset */ 80 int mb_cd1400[MAGMA_MAX_CD1400];/* cd1400 chip register offsets */ 81 int mb_ncd1190; /* number of CD1190 chips */ 82 int mb_cd1190[MAGMA_MAX_CD1190];/* cd1190 chip register offsets */ 83 }; 84 85 /* 86 * cd1400 chip data 87 */ 88 struct cd1400 { 89 __volatile u_char *cd_reg; /* chip registers */ 90 int cd_chiprev; /* chip revision */ 91 int cd_clock; /* clock speed in Mhz */ 92 int cd_parmode; /* parallel mode operation */ 93 }; 94 95 /* 96 * cd1190 chip data 97 */ 98 struct cd1190 { 99 __volatile u_char *cd_reg; /* chip registers */ 100 int cd_chiprev; /* chip revision */ 101 }; 102 103 /* software state for each card */ 104 struct magma_softc { 105 struct device ms_dev; /* required. must be first in softc */ 106 struct sbusdev ms_sd; /* sbus device */ 107 struct evcnt ms_intrcnt; /* statistics */ 108 109 /* cd1400 chip info */ 110 int ms_ncd1400; 111 struct cd1400 ms_cd1400[MAGMA_MAX_CD1400]; 112 __volatile u_char *ms_svcackr; /* CD1400 service acknowledge receive */ 113 __volatile u_char *ms_svcackt; /* CD1400 service acknowledge transmit */ 114 __volatile u_char *ms_svcackm; /* CD1400 service acknowledge modem */ 115 116 /* cd1190 chip info */ 117 int ms_ncd1190; 118 struct cd1190 ms_cd1190[MAGMA_MAX_CD1190]; 119 120 struct magma_board_info *ms_board; /* what am I? */ 121 122 struct mtty_softc *ms_mtty; 123 struct mbpp_softc *ms_mbpp; 124 125 }; 126 127 #define MTTY_RBUF_SIZE (2 * 512) 128 #define MTTY_RX_FIFO_THRESHOLD 6 129 #define MTTY_RX_DTR_THRESHOLD 9 130 131 struct mtty_port { 132 struct cd1400 *mp_cd1400; /* ptr to chip */ 133 int mp_channel; /* and channel */ 134 struct tty *mp_tty; 135 136 int mp_openflags; /* default tty flags */ 137 int mp_flags; /* port flags */ 138 int mp_carrier; /* state of carrier */ 139 140 u_char *mp_rbuf; /* ring buffer start */ 141 u_char *mp_rend; /* ring buffer end */ 142 u_char *mp_rget; /* ring buffer read pointer */ 143 u_char *mp_rput; /* ring buffer write pointer */ 144 145 u_char *mp_txp; /* transmit character pointer */ 146 int mp_txc; /* transmit character counter */ 147 }; 148 149 #define MTTYF_CARRIER_CHANGED (1<<0) 150 #define MTTYF_SET_BREAK (1<<1) 151 #define MTTYF_CLR_BREAK (1<<2) 152 #define MTTYF_DONE (1<<3) 153 #define MTTYF_STOP (1<<4) 154 #define MTTYF_RING_OVERFLOW (1<<5) 155 156 struct mtty_softc { 157 struct device ms_dev; /* device info */ 158 int ms_nports; /* tty ports */ 159 struct mtty_port ms_port[MAGMA_MAX_TTY]; 160 }; 161 162 #define MBPP_TXBUF_SIZE (CD1400_PAR_FIFO_SIZE * 10) 163 164 struct mbpp_port { 165 struct cd1400 *mp_cd1400; /* for LC2+1Sp card */ 166 struct cd1190 *mp_cd1190; /* all the others */ 167 168 int mp_flags; 169 170 int mp_read_strobe; /* strobe width in ns */ 171 int mp_read_timeout; /* timeout after this many seconds */ 172 173 int mp_write_strobe; /* strobe width in ns */ 174 int mp_write_timeout; /* timeout after this many seconds */ 175 176 u_char *mp_txbuf; /* transmit buffer */ 177 u_char *mp_txp; /* transmit pointer */ 178 int mp_txc; /* transmit counter */ 179 }; 180 181 #define MBPPF_OPEN (1<<0) 182 #define MBPPF_DONE (1<<1) 183 184 struct mbpp_softc { 185 struct device ms_dev; /* device info */ 186 int ms_nports; /* parallel ports */ 187 struct mbpp_port ms_port[MAGMA_MAX_BPP]; 188 }; 189 190 /* 191 * useful macros 192 */ 193 #define SET(t, f) ((t) |= (f)) 194 #define CLR(t, f) ((t) &= ~(f)) 195 #define ISSET(t, f) ((t) & (f)) 196 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 197 198 /* internal function prototypes */ 199 200 int cd1400_compute_baud __P((speed_t, int, int *, int *)); 201 __inline void cd1400_write_ccr __P((struct cd1400 *, u_char)); 202 __inline u_char cd1400_read_reg __P((struct cd1400 *, int)); 203 __inline void cd1400_write_reg __P((struct cd1400 *, int, u_char)); 204 void cd1400_enable_transmitter __P((struct cd1400 *, int)); 205 206 int magma_match __P((struct device *, struct cfdata *, void *)); 207 void magma_attach __P((struct device *, struct device *, void *)); 208 int magma_hard __P((void *)); 209 int magma_soft __P((void *)); 210 211 int mtty_match __P((struct device *, struct cfdata *, void *)); 212 void mtty_attach __P((struct device *, struct device *, void *)); 213 int mtty_modem_control __P((struct mtty_port *, int, int)); 214 int mtty_param __P((struct tty *, struct termios *)); 215 void mtty_start __P((struct tty *)); 216 217 int mbpp_match __P((struct device *, struct cfdata *, void *)); 218 void mbpp_attach __P((struct device *, struct device *, void *)); 219
Indexes created Fri Sep 26 20:09:58 GMT 2025