1 /* $NetBSD: magmareg.h,v 1.18 2014/11/15 19:18:19 christos 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 * | | | +-------------------> unused 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) ((TTUNIT(x) >> 6) & 0x03) 58 #define MAGMA_PORT(x) (TTUNIT(x) & 0x0f) 59 60 #define MTTY_DIALOUT(x) TTDIALOUT(x) 61 62 /* 63 * Supported Card Types 64 */ 65 struct magma_board_info { 66 const char *mb_sbusname; /* sbus_attach_args.sa_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 */ 83 struct cd1400 { 84 volatile u_char *cd_reg; /* chip registers */ 85 int cd_chiprev; /* chip revision */ 86 int cd_clock; /* clock speed in MHz */ 87 int cd_parmode; /* parallel mode operation */ 88 }; 89 90 /* 91 * cd1190 chip data 92 */ 93 struct cd1190 { 94 volatile u_char *cd_reg; /* chip registers */ 95 int cd_chiprev; /* chip revision */ 96 }; 97 98 /* software state for each card */ 99 struct magma_softc { 100 device_t ms_dev; /* required. must be first in softc */ 101 struct evcnt ms_intrcnt; /* statistics */ 102 103 /* cd1400 chip info */ 104 int ms_ncd1400; 105 struct cd1400 ms_cd1400[MAGMA_MAX_CD1400]; 106 volatile u_char *ms_svcackr; /* CD1400 service acknowledge receive */ 107 volatile u_char *ms_svcackt; /* CD1400 service acknowledge transmit */ 108 volatile u_char *ms_svcackm; /* CD1400 service acknowledge modem */ 109 110 /* cd1190 chip info */ 111 int ms_ncd1190; 112 struct cd1190 ms_cd1190[MAGMA_MAX_CD1190]; 113 114 struct magma_board_info *ms_board; /* what am I? */ 115 116 struct mtty_softc *ms_mtty; 117 struct mbpp_softc *ms_mbpp; 118 119 /* softintr(9) cookie */ 120 void *ms_sicookie; 121 }; 122 123 #define MTTY_RBUF_SIZE (2 * 512) 124 #define MTTY_RX_FIFO_THRESHOLD 6 125 #define MTTY_RX_DTR_THRESHOLD 9 126 127 struct mtty_port { 128 struct cd1400 *mp_cd1400; /* ptr to chip */ 129 int mp_channel; /* and channel */ 130 struct tty *mp_tty; 131 132 int mp_openflags; /* default tty flags */ 133 int mp_flags; /* port flags */ 134 int mp_carrier; /* state of carrier */ 135 136 u_char *mp_rbuf; /* ring buffer start */ 137 u_char *mp_rend; /* ring buffer end */ 138 u_char *mp_rget; /* ring buffer read pointer */ 139 u_char *mp_rput; /* ring buffer write pointer */ 140 141 u_char *mp_txp; /* transmit character pointer */ 142 int mp_txc; /* transmit character counter */ 143 }; 144 145 #define MTTYF_CARRIER_CHANGED (1<<0) 146 #define MTTYF_SET_BREAK (1<<1) 147 #define MTTYF_CLR_BREAK (1<<2) 148 #define MTTYF_DONE (1<<3) 149 #define MTTYF_STOP (1<<4) 150 #define MTTYF_RING_OVERFLOW (1<<5) 151 152 struct mtty_softc { 153 device_t ms_dev; /* device info */ 154 int ms_nports; /* tty ports */ 155 struct mtty_port ms_port[MAGMA_MAX_TTY]; 156 }; 157 158 #define MBPP_RX_FIFO_THRESHOLD 25 159 160 struct mbpp_port { 161 struct cd1400 *mp_cd1400; /* for LC2+1Sp card */ 162 struct cd1190 *mp_cd1190; /* all the others */ 163 164 struct callout mp_timeout_ch; 165 struct callout mp_start_ch; 166 167 int mp_flags; 168 169 struct mbpp_param mp_param; 170 #define mp_burst mp_param.bp_burst 171 #define mp_timeout mp_param.bp_timeout 172 #define mp_delay mp_param.bp_delay 173 174 u_char *mp_ptr; /* pointer to I/O data */ 175 int mp_cnt; /* count of I/O chars */ 176 }; 177 178 #define MBPPF_OPEN (1<<0) 179 #define MBPPF_TIMEOUT (1<<1) 180 #define MBPPF_UIO (1<<2) 181 #define MBPPF_DELAY (1<<3) 182 #define MBPPF_WAKEUP (1<<4) 183 184 struct mbpp_softc { 185 int ms_nports; /* parallel ports */ 186 struct mbpp_port ms_port[MAGMA_MAX_BPP]; 187 }; 188 189 /* 190 * useful macros 191 */ 192 #define SET(t, f) ((t) |= (f)) 193 #define CLR(t, f) ((t) &= ~(f)) 194 #define ISSET(t, f) ((t) & (f)) 195 196 /* internal function prototypes */ 197 198 int cd1400_compute_baud(speed_t, int, int *, int *); 199 __inline void cd1400_write_ccr(struct cd1400 *, u_char); 200 __inline u_char cd1400_read_reg(struct cd1400 *, int); 201 __inline void cd1400_write_reg(struct cd1400 *, int, u_char); 202 void cd1400_enable_transmitter(struct cd1400 *, int); 203 204 int magma_match(device_t, cfdata_t, void *); 205 void magma_attach(device_t, device_t, void *); 206 int magma_hard(void *); 207 void magma_soft(void *); 208 209 int mtty_match(device_t, cfdata_t, void *); 210 void mtty_attach(device_t, device_t, void *); 211 int mtty_modem_control(struct mtty_port *, int, int); 212 int mtty_param(struct tty *, struct termios *); 213 void mtty_start(struct tty *); 214 215 int mbpp_match(device_t, cfdata_t, void *); 216 void mbpp_attach(device_t, device_t, void *); 217 void mbpp_timeout(void *); 218 void mbpp_start(void *); 219 int mbpp_send(struct mbpp_port *, void *, int); 220 int mbpp_recv(struct mbpp_port *, void *, int); 221 int mbpp_hztoms(int); 222 int mbpp_mstohz(int); 223