lpt_pcctwo.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: lpt_pcctwo.c,v 1.1.2.2 2002/02/28 04:13:54 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 nathanw * by Steve C. Woodford. 9 1.1.2.2 nathanw * 10 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.1.2.2 nathanw * are met: 13 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 nathanw * must display the following acknowledgement: 20 1.1.2.2 nathanw * This product includes software developed by the NetBSD 21 1.1.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.1.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.1.2.2 nathanw * from this software without specific prior written permission. 25 1.1.2.2 nathanw * 26 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 nathanw */ 38 1.1.2.2 nathanw 39 1.1.2.2 nathanw /* 40 1.1.2.2 nathanw * Device Driver back-end for the PCCChip2's parallel printer port 41 1.1.2.2 nathanw */ 42 1.1.2.2 nathanw 43 1.1.2.2 nathanw #include <sys/param.h> 44 1.1.2.2 nathanw #include <sys/kernel.h> 45 1.1.2.2 nathanw #include <sys/systm.h> 46 1.1.2.2 nathanw #include <sys/device.h> 47 1.1.2.2 nathanw #include <sys/syslog.h> 48 1.1.2.2 nathanw 49 1.1.2.2 nathanw #include <machine/cpu.h> 50 1.1.2.2 nathanw #include <machine/bus.h> 51 1.1.2.2 nathanw 52 1.1.2.2 nathanw #include <dev/mvme/lptvar.h> 53 1.1.2.2 nathanw #include <dev/mvme/pcctworeg.h> 54 1.1.2.2 nathanw #include <dev/mvme/pcctwovar.h> 55 1.1.2.2 nathanw 56 1.1.2.2 nathanw /* 57 1.1.2.2 nathanw * Autoconfig stuff 58 1.1.2.2 nathanw */ 59 1.1.2.2 nathanw int lpt_pcctwo_match __P((struct device *, struct cfdata *, void *)); 60 1.1.2.2 nathanw void lpt_pcctwo_attach __P((struct device *, struct device *, void *)); 61 1.1.2.2 nathanw 62 1.1.2.2 nathanw struct cfattach lpt_pcctwo_ca = { 63 1.1.2.2 nathanw sizeof(struct lpt_softc), lpt_pcctwo_match, lpt_pcctwo_attach 64 1.1.2.2 nathanw }; 65 1.1.2.2 nathanw 66 1.1.2.2 nathanw extern struct cfdriver lpt_cd; 67 1.1.2.2 nathanw 68 1.1.2.2 nathanw 69 1.1.2.2 nathanw int lpt_pcctwo_intr __P((void *)); 70 1.1.2.2 nathanw void lpt_pcctwo_open __P((struct lpt_softc *, int)); 71 1.1.2.2 nathanw void lpt_pcctwo_close __P((struct lpt_softc *)); 72 1.1.2.2 nathanw void lpt_pcctwo_iprime __P((struct lpt_softc *)); 73 1.1.2.2 nathanw void lpt_pcctwo_speed __P((struct lpt_softc *, int)); 74 1.1.2.2 nathanw int lpt_pcctwo_notrdy __P((struct lpt_softc *, int)); 75 1.1.2.2 nathanw void lpt_pcctwo_wr_data __P((struct lpt_softc *, u_char)); 76 1.1.2.2 nathanw 77 1.1.2.2 nathanw struct lpt_funcs lpt_pcctwo_funcs = { 78 1.1.2.2 nathanw lpt_pcctwo_open, 79 1.1.2.2 nathanw lpt_pcctwo_close, 80 1.1.2.2 nathanw lpt_pcctwo_iprime, 81 1.1.2.2 nathanw lpt_pcctwo_speed, 82 1.1.2.2 nathanw lpt_pcctwo_notrdy, 83 1.1.2.2 nathanw lpt_pcctwo_wr_data 84 1.1.2.2 nathanw }; 85 1.1.2.2 nathanw 86 1.1.2.2 nathanw /* ARGSUSED */ 87 1.1.2.2 nathanw int 88 1.1.2.2 nathanw lpt_pcctwo_match(parent, cf, args) 89 1.1.2.2 nathanw struct device *parent; 90 1.1.2.2 nathanw struct cfdata *cf; 91 1.1.2.2 nathanw void *args; 92 1.1.2.2 nathanw { 93 1.1.2.2 nathanw struct pcctwo_attach_args *pa; 94 1.1.2.2 nathanw 95 1.1.2.2 nathanw pa = args; 96 1.1.2.2 nathanw 97 1.1.2.2 nathanw if (strcmp(pa->pa_name, lpt_cd.cd_name)) 98 1.1.2.2 nathanw return (0); 99 1.1.2.2 nathanw 100 1.1.2.2 nathanw #ifdef MVME68K 101 1.1.2.2 nathanw if (machineid != MVME_167 && machineid != MVME_177) 102 1.1.2.2 nathanw return (0); 103 1.1.2.2 nathanw #endif 104 1.1.2.2 nathanw 105 1.1.2.2 nathanw #ifdef MVME88K 106 1.1.2.2 nathanw if (machineid != MVME_187) 107 1.1.2.2 nathanw return (0); 108 1.1.2.2 nathanw #endif 109 1.1.2.2 nathanw 110 1.1.2.2 nathanw pa->pa_ipl = cf->pcctwocf_ipl; 111 1.1.2.2 nathanw 112 1.1.2.2 nathanw return (1); 113 1.1.2.2 nathanw } 114 1.1.2.2 nathanw 115 1.1.2.2 nathanw /* ARGSUSED */ 116 1.1.2.2 nathanw void 117 1.1.2.2 nathanw lpt_pcctwo_attach(parent, self, args) 118 1.1.2.2 nathanw struct device *parent; 119 1.1.2.2 nathanw struct device *self; 120 1.1.2.2 nathanw void *args; 121 1.1.2.2 nathanw { 122 1.1.2.2 nathanw struct pcctwo_attach_args *pa; 123 1.1.2.2 nathanw struct lpt_softc *sc; 124 1.1.2.2 nathanw 125 1.1.2.2 nathanw pa = (struct pcctwo_attach_args *) args; 126 1.1.2.2 nathanw sc = (struct lpt_softc *) self; 127 1.1.2.2 nathanw 128 1.1.2.2 nathanw /* The printer registers are part of the PCCChip2's own registers. */ 129 1.1.2.2 nathanw sc->sc_bust = pa->pa_bust; 130 1.1.2.2 nathanw bus_space_map(pa->pa_bust, pa->pa_offset, PCC2REG_SIZE, 0, 131 1.1.2.2 nathanw &sc->sc_bush); 132 1.1.2.2 nathanw 133 1.1.2.2 nathanw sc->sc_ipl = pa->pa_ipl & PCCTWO_ICR_LEVEL_MASK; 134 1.1.2.2 nathanw sc->sc_laststatus = 0; 135 1.1.2.2 nathanw sc->sc_funcs = &lpt_pcctwo_funcs; 136 1.1.2.2 nathanw 137 1.1.2.2 nathanw printf(": PCCchip2 Parallel Printer\n"); 138 1.1.2.2 nathanw 139 1.1.2.2 nathanw /* 140 1.1.2.2 nathanw * Disable interrupts until device is opened 141 1.1.2.2 nathanw */ 142 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_ACK_ICSR, 0); 143 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_FAULT_ICSR, 0); 144 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_SEL_ICSR, 0); 145 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_PE_ICSR, 0); 146 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_BUSY_ICSR, 0); 147 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, 0); 148 1.1.2.2 nathanw 149 1.1.2.2 nathanw /* 150 1.1.2.2 nathanw * Main attachment code 151 1.1.2.2 nathanw */ 152 1.1.2.2 nathanw lpt_attach_subr(sc); 153 1.1.2.2 nathanw 154 1.1.2.2 nathanw /* Register the event counter */ 155 1.1.2.2 nathanw evcnt_attach_dynamic(&sc->sc_evcnt, EVCNT_TYPE_INTR, 156 1.1.2.2 nathanw pcctwointr_evcnt(sc->sc_ipl), "printer", sc->sc_dev.dv_xname); 157 1.1.2.2 nathanw 158 1.1.2.2 nathanw /* 159 1.1.2.2 nathanw * Hook into the printer interrupt 160 1.1.2.2 nathanw */ 161 1.1.2.2 nathanw pcctwointr_establish(PCCTWOV_PRT_ACK, lpt_pcctwo_intr, sc->sc_ipl, sc, 162 1.1.2.2 nathanw &sc->sc_evcnt); 163 1.1.2.2 nathanw } 164 1.1.2.2 nathanw 165 1.1.2.2 nathanw /* 166 1.1.2.2 nathanw * Handle printer interrupts 167 1.1.2.2 nathanw */ 168 1.1.2.2 nathanw int 169 1.1.2.2 nathanw lpt_pcctwo_intr(arg) 170 1.1.2.2 nathanw void *arg; 171 1.1.2.2 nathanw { 172 1.1.2.2 nathanw struct lpt_softc *sc; 173 1.1.2.2 nathanw int i; 174 1.1.2.2 nathanw 175 1.1.2.2 nathanw sc = (struct lpt_softc *) arg; 176 1.1.2.2 nathanw 177 1.1.2.2 nathanw /* is printer online and ready for output */ 178 1.1.2.2 nathanw if (lpt_pcctwo_notrdy(sc, 0) || lpt_pcctwo_notrdy(sc, 1)) 179 1.1.2.2 nathanw return (0); 180 1.1.2.2 nathanw 181 1.1.2.2 nathanw i = lpt_intr(sc); 182 1.1.2.2 nathanw 183 1.1.2.2 nathanw if (pcc2_reg_read(sc, PCC2REG_PRT_INPUT_STATUS) & PCCTWO_PRT_IN_SR_PINT) 184 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_ACK_ICSR, 185 1.1.2.2 nathanw sc->sc_icr | PCCTWO_ICR_ICLR); 186 1.1.2.2 nathanw 187 1.1.2.2 nathanw return (i); 188 1.1.2.2 nathanw } 189 1.1.2.2 nathanw 190 1.1.2.2 nathanw void 191 1.1.2.2 nathanw lpt_pcctwo_open(sc, int_ena) 192 1.1.2.2 nathanw struct lpt_softc *sc; 193 1.1.2.2 nathanw int int_ena; 194 1.1.2.2 nathanw { 195 1.1.2.2 nathanw int sps; 196 1.1.2.2 nathanw 197 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_ACK_ICSR, 198 1.1.2.2 nathanw PCCTWO_ICR_ICLR | PCCTWO_ICR_EDGE); 199 1.1.2.2 nathanw 200 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, 201 1.1.2.2 nathanw pcc2_reg_read(sc, PCC2REG_PRT_CONTROL) | PCCTWO_PRT_CTRL_DOEN); 202 1.1.2.2 nathanw 203 1.1.2.2 nathanw if (int_ena == 0) { 204 1.1.2.2 nathanw sps = splhigh(); 205 1.1.2.2 nathanw sc->sc_icr = sc->sc_ipl | PCCTWO_ICR_EDGE; 206 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_ACK_ICSR, sc->sc_icr); 207 1.1.2.2 nathanw splx(sps); 208 1.1.2.2 nathanw } 209 1.1.2.2 nathanw } 210 1.1.2.2 nathanw 211 1.1.2.2 nathanw void 212 1.1.2.2 nathanw lpt_pcctwo_close(sc) 213 1.1.2.2 nathanw struct lpt_softc *sc; 214 1.1.2.2 nathanw { 215 1.1.2.2 nathanw 216 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_ACK_ICSR, 217 1.1.2.2 nathanw PCCTWO_ICR_ICLR | PCCTWO_ICR_EDGE); 218 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, 0); 219 1.1.2.2 nathanw } 220 1.1.2.2 nathanw 221 1.1.2.2 nathanw void 222 1.1.2.2 nathanw lpt_pcctwo_iprime(sc) 223 1.1.2.2 nathanw struct lpt_softc *sc; 224 1.1.2.2 nathanw { 225 1.1.2.2 nathanw 226 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, 227 1.1.2.2 nathanw pcc2_reg_read(sc, PCC2REG_PRT_CONTROL) | PCCTWO_PRT_CTRL_INP); 228 1.1.2.2 nathanw 229 1.1.2.2 nathanw delay(100); 230 1.1.2.2 nathanw 231 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, 232 1.1.2.2 nathanw pcc2_reg_read(sc, PCC2REG_PRT_CONTROL) & ~PCCTWO_PRT_CTRL_INP); 233 1.1.2.2 nathanw 234 1.1.2.2 nathanw delay(100); 235 1.1.2.2 nathanw } 236 1.1.2.2 nathanw 237 1.1.2.2 nathanw void 238 1.1.2.2 nathanw lpt_pcctwo_speed(sc, speed) 239 1.1.2.2 nathanw struct lpt_softc *sc; 240 1.1.2.2 nathanw int speed; 241 1.1.2.2 nathanw { 242 1.1.2.2 nathanw u_int8_t reg; 243 1.1.2.2 nathanw 244 1.1.2.2 nathanw reg = pcc2_reg_read(sc, PCC2REG_PRT_CONTROL); 245 1.1.2.2 nathanw 246 1.1.2.2 nathanw if (speed == LPT_STROBE_FAST) 247 1.1.2.2 nathanw reg |= PCCTWO_PRT_CTRL_FAST; 248 1.1.2.2 nathanw else 249 1.1.2.2 nathanw reg &= ~PCCTWO_PRT_CTRL_FAST; 250 1.1.2.2 nathanw 251 1.1.2.2 nathanw pcc2_reg_write(sc, PCC2REG_PRT_CONTROL, reg); 252 1.1.2.2 nathanw } 253 1.1.2.2 nathanw 254 1.1.2.2 nathanw int 255 1.1.2.2 nathanw lpt_pcctwo_notrdy(sc, err) 256 1.1.2.2 nathanw struct lpt_softc *sc; 257 1.1.2.2 nathanw int err; 258 1.1.2.2 nathanw { 259 1.1.2.2 nathanw u_int8_t status; 260 1.1.2.2 nathanw u_int8_t new; 261 1.1.2.2 nathanw 262 1.1.2.2 nathanw #define LPS_INVERT (PCCTWO_PRT_IN_SR_SEL) 263 1.1.2.2 nathanw #define LPS_MASK (PCCTWO_PRT_IN_SR_SEL | PCCTWO_PRT_IN_SR_FLT | \ 264 1.1.2.2 nathanw PCCTWO_PRT_IN_SR_BSY | PCCTWO_PRT_IN_SR_PE) 265 1.1.2.2 nathanw 266 1.1.2.2 nathanw status = pcc2_reg_read(sc, PCC2REG_PRT_INPUT_STATUS) ^ LPS_INVERT; 267 1.1.2.2 nathanw status &= LPS_MASK; 268 1.1.2.2 nathanw 269 1.1.2.2 nathanw if (err) { 270 1.1.2.2 nathanw new = status & ~sc->sc_laststatus; 271 1.1.2.2 nathanw sc->sc_laststatus = status; 272 1.1.2.2 nathanw 273 1.1.2.2 nathanw if (new & PCCTWO_PRT_IN_SR_SEL) 274 1.1.2.2 nathanw log(LOG_NOTICE, "%s: offline\n", 275 1.1.2.2 nathanw sc->sc_dev.dv_xname); 276 1.1.2.2 nathanw else if (new & PCCTWO_PRT_IN_SR_PE) 277 1.1.2.2 nathanw log(LOG_NOTICE, "%s: out of paper\n", 278 1.1.2.2 nathanw sc->sc_dev.dv_xname); 279 1.1.2.2 nathanw else if (new & PCCTWO_PRT_IN_SR_FLT) 280 1.1.2.2 nathanw log(LOG_NOTICE, "%s: output error\n", 281 1.1.2.2 nathanw sc->sc_dev.dv_xname); 282 1.1.2.2 nathanw } 283 1.1.2.2 nathanw 284 1.1.2.2 nathanw return (status); 285 1.1.2.2 nathanw } 286 1.1.2.2 nathanw 287 1.1.2.2 nathanw void 288 1.1.2.2 nathanw lpt_pcctwo_wr_data(sc, data) 289 1.1.2.2 nathanw struct lpt_softc *sc; 290 1.1.2.2 nathanw u_char data; 291 1.1.2.2 nathanw { 292 1.1.2.2 nathanw 293 1.1.2.2 nathanw pcc2_reg_write16(sc, PCC2REG_PRT_DATA, (u_int16_t) data); 294 1.1.2.2 nathanw } 295
Indexes created Sun Oct 26 21:10:03 GMT 2025