1/* $OpenBSD: magmareg.h,v 1.11 2024/04/24 09:30:30 claudio Exp $ */ 2 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#ifdef MAGMA_DEBUG 29#define dprintf(x) printf x 30#else 31#define dprintf(x) 32#endif 33 34/* The mapping of minor device number -> card and port is done as 35 * follows by default: 36 * 37 * +---+---+---+---+---+---+---+---+ 38 * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | 39 * +---+---+---+---+---+---+---+---+ 40 * | | | | | | | | 41 * | | | | +---+---+---+---> port number 42 * | | | | 43 * | | | +-------------------> dialout (on tty ports) 44 * | | | 45 * | | +-----------------------> unused 46 * | | 47 * +---+---------------------------> card number 48 * 49 */ 50 51#define MAGMA_MAX_CARDS 4 52#define MAGMA_MAX_TTY 16 53#define MAGMA_MAX_BPP 2 54#define MAGMA_MAX_CD1400 4 55#define MAGMA_MAX_CD1190 2 56 57#define MAGMA_CARD(x) ((minor(x) >> 6) & 0x03) 58#define MAGMA_PORT(x) (minor(x) & 0x0f) 59 60#define MTTY_DIALOUT(x) (minor(x) & 0x10) 61 62/* 63 * Supported Card Types 64 */ 65struct magma_board_info { 66 const char *mb_sbusname; /* sbus name */ 67 const char *mb_name; /* cardname to match against */ 68 const char *mb_realname; /* english card name */ 69 int mb_nser; /* number of serial ports */ 70 int mb_npar; /* number of parallel ports */ 71 int mb_ncd1400; /* number of CD1400 chips */ 72 int mb_svcackr; /* svcackr offset */ 73 int mb_svcackt; /* svcackt offset */ 74 int mb_svcackm; /* svcackm offset */ 75 int mb_cd1400[MAGMA_MAX_CD1400];/* cd1400 chip register offsets */ 76 int mb_ncd1190; /* number of CD1190 chips */ 77 int mb_cd1190[MAGMA_MAX_CD1190];/* cd1190 chip register offsets */ 78}; 79 80/* 81 * cd1400 chip data 82 */ 83struct cd1400 { 84 bus_space_handle_t cd_regh; /* chip register handle */ 85 bus_space_tag_t cd_regt; /* chip register tag */ 86 int cd_chiprev; /* chip revision */ 87 int cd_clock; /* clock speed in MHz */ 88 int cd_parmode; /* parallel mode operation */ 89}; 90 91/* 92 * cd1190 chip data 93 */ 94struct cd1190 { 95 bus_space_handle_t cd_regh; /* chip register handle */ 96 bus_space_tag_t cd_regt; /* chip register tag */ 97 int cd_chiprev; /* chip revision */ 98}; 99 100/* software state for each card */ 101struct magma_softc { 102 struct device ms_dev; /* required. must be first in softc */ 103 104 bus_space_tag_t sc_bustag; /* our bus tag */ 105 bus_space_handle_t sc_iohandle; /* whole card registers */ 106 void *sc_ih; /* interrupt vector */ 107 void *sc_sih; /* softintr vector */ 108 109 /* cd1400 chip info */ 110 int ms_ncd1400; 111 struct cd1400 ms_cd1400[MAGMA_MAX_CD1400]; 112 bus_space_handle_t sc_svcackrh; /* CD1400 service acknowledge receive */ 113 bus_space_handle_t sc_svcackth; /* CD1400 service acknowledge transmit */ 114 bus_space_handle_t sc_svcackmh; /* CD1400 service acknowledge modem */ 115 116 117 /* cd1190 chip info */ 118 int ms_ncd1190; 119 struct cd1190 ms_cd1190[MAGMA_MAX_CD1190]; 120 121 const struct magma_board_info *ms_board; /* what am I? */ 122 123 struct mtty_softc *ms_mtty; 124 struct mbpp_softc *ms_mbpp; 125 126 struct intrhand ms_hardint; /* hard interrupt handler */ 127 struct intrhand ms_softint; /* soft interrupt handler */ 128}; 129 130#define MTTY_RBUF_SIZE (2 * 512) 131#define MTTY_RX_FIFO_THRESHOLD 6 132#define MTTY_RX_DTR_THRESHOLD 9 133 134struct mtty_port { 135 struct cd1400 *mp_cd1400; /* ptr to chip */ 136 int mp_channel; /* and channel */ 137 struct tty *mp_tty; 138 139 int mp_openflags; /* default tty flags */ 140 int mp_flags; /* port flags */ 141 int mp_carrier; /* state of carrier */ 142 143 u_char *mp_rbuf; /* ring buffer start */ 144 u_char *mp_rend; /* ring buffer end */ 145 u_char *mp_rget; /* ring buffer read pointer */ 146 u_char *mp_rput; /* ring buffer write pointer */ 147 148 u_char *mp_txp; /* transmit character pointer */ 149 int mp_txc; /* transmit character counter */ 150}; 151 152#define MTTYF_CARRIER_CHANGED (1<<0) 153#define MTTYF_SET_BREAK (1<<1) 154#define MTTYF_CLR_BREAK (1<<2) 155#define MTTYF_DONE (1<<3) 156#define MTTYF_STOP (1<<4) 157#define MTTYF_RING_OVERFLOW (1<<5) 158 159struct mtty_softc { 160 struct device ms_dev; /* device info */ 161 int ms_nports; /* tty ports */ 162 struct mtty_port ms_port[MAGMA_MAX_TTY]; 163}; 164 165#define MBPP_RX_FIFO_THRESHOLD 25 166 167struct mbpp_port { 168 struct cd1400 *mp_cd1400; /* for LC2+1Sp card */ 169 struct cd1190 *mp_cd1190; /* all the others */ 170 171 int mp_flags; 172 173 struct bpp_param mp_param; 174#define mp_burst mp_param.bp_burst 175#define mp_timeout mp_param.bp_timeout 176#define mp_delay mp_param.bp_delay 177 178 u_char *mp_ptr; /* pointer to io data */ 179 int mp_cnt; /* count of io chars */ 180 181 struct timeout mp_timeout_tmo; /* for mbpp_timeout() */ 182 struct timeout mp_start_tmo; /* for mbpp_start() */ 183}; 184 185#define MBPPF_OPEN (1<<0) 186#define MBPPF_TIMEOUT (1<<1) 187#define MBPPF_UIO (1<<2) 188#define MBPPF_DELAY (1<<3) 189#define MBPPF_WAKEUP (1<<4) 190 191struct mbpp_softc { 192 struct device ms_dev; /* device info */ 193 int ms_nports; /* parallel ports */ 194 struct mbpp_port ms_port[MAGMA_MAX_BPP]; 195}; 196 197/* internal function prototypes */ 198 199int cd1400_compute_baud(speed_t, int, int *, int *); 200void cd1400_enable_transmitter(struct cd1400 *, int); 201 202int magma_match(struct device *, void *, void *); 203void magma_attach(struct device *, struct device *, void *); 204int magma_hard(void *); 205void magma_soft(void *); 206 207int mtty_match(struct device *, void *, void *); 208void mtty_attach(struct device *, struct device *, void *); 209int mtty_modem_control(struct mtty_port *, int, int); 210int mtty_param(struct tty *, struct termios *); 211void mtty_start(struct tty *); 212 213int mbpp_match(struct device *, void *, void *); 214void mbpp_attach(struct device *, struct device *, void *); 215int mbpp_rw(dev_t, struct uio *); 216void mbpp_timeout(void *); 217void mbpp_start(void *); 218int mbpp_send(struct mbpp_port *, caddr_t, int); 219int mbpp_recv(struct mbpp_port *, caddr_t, int); 220 221#define CD1400_REGMAPSIZE 0x80 222#define CD1190_REGMAPSIZE 0x20 223