txcom.c revision 1.3.2.2
1 1.3.2.2 wrstuden /* $NetBSD: txcom.c,v 1.3.2.2 1999/12/27 18:32:13 wrstuden Exp $ */ 2 1.3.2.2 wrstuden 3 1.3.2.2 wrstuden /* 4 1.3.2.2 wrstuden * Copyright (c) 1999, by UCHIYAMA Yasushi 5 1.3.2.2 wrstuden * All rights reserved. 6 1.3.2.2 wrstuden * 7 1.3.2.2 wrstuden * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 wrstuden * modification, are permitted provided that the following conditions 9 1.3.2.2 wrstuden * are met: 10 1.3.2.2 wrstuden * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 wrstuden * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 wrstuden * 2. The name of the developer may NOT be used to endorse or promote products 13 1.3.2.2 wrstuden * derived from this software without specific prior written permission. 14 1.3.2.2 wrstuden * 15 1.3.2.2 wrstuden * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 1.3.2.2 wrstuden * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 1.3.2.2 wrstuden * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 1.3.2.2 wrstuden * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 1.3.2.2 wrstuden * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 1.3.2.2 wrstuden * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 1.3.2.2 wrstuden * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.3.2.2 wrstuden * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 1.3.2.2 wrstuden * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 1.3.2.2 wrstuden * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 1.3.2.2 wrstuden * SUCH DAMAGE. 26 1.3.2.2 wrstuden * 27 1.3.2.2 wrstuden */ 28 1.3.2.2 wrstuden #include "opt_tx39_debug.h" 29 1.3.2.2 wrstuden #include "opt_tx39uartdebug.h" 30 1.3.2.2 wrstuden 31 1.3.2.2 wrstuden #include <sys/param.h> 32 1.3.2.2 wrstuden #include <sys/systm.h> 33 1.3.2.2 wrstuden #include <sys/device.h> 34 1.3.2.2 wrstuden 35 1.3.2.2 wrstuden #include <sys/proc.h> /* tsleep/wakeup */ 36 1.3.2.2 wrstuden 37 1.3.2.2 wrstuden #include <sys/ioctl.h> 38 1.3.2.2 wrstuden #include <sys/select.h> 39 1.3.2.2 wrstuden #include <sys/file.h> 40 1.3.2.2 wrstuden 41 1.3.2.2 wrstuden #include <sys/tty.h> 42 1.3.2.2 wrstuden #include <sys/conf.h> 43 1.3.2.2 wrstuden #include <dev/cons.h> /* consdev */ 44 1.3.2.2 wrstuden 45 1.3.2.2 wrstuden #include <machine/bus.h> 46 1.3.2.2 wrstuden 47 1.3.2.2 wrstuden #include <hpcmips/tx/tx39var.h> 48 1.3.2.2 wrstuden #include <hpcmips/tx/tx39icureg.h> 49 1.3.2.2 wrstuden #include <hpcmips/tx/tx39uartvar.h> 50 1.3.2.2 wrstuden #include <hpcmips/tx/tx39uartreg.h> 51 1.3.2.2 wrstuden 52 1.3.2.2 wrstuden #include <hpcmips/tx/tx39clockreg.h> /* XXX */ 53 1.3.2.2 wrstuden 54 1.3.2.2 wrstuden #define SET(t, f) (t) |= (f) 55 1.3.2.2 wrstuden #define CLR(t, f) (t) &= ~(f) 56 1.3.2.2 wrstuden #define ISSET(t, f) ((t) & (f)) 57 1.3.2.2 wrstuden 58 1.3.2.2 wrstuden #ifdef TX39UARTDEBUG 59 1.3.2.2 wrstuden #define DPRINTF(arg) printf arg 60 1.3.2.2 wrstuden #else 61 1.3.2.2 wrstuden #define DPRINTF(arg) 62 1.3.2.2 wrstuden #endif 63 1.3.2.2 wrstuden 64 1.3.2.2 wrstuden #define MAXBUF 16 65 1.3.2.2 wrstuden struct txcom_buf { 66 1.3.2.2 wrstuden int b_cnt; 67 1.3.2.2 wrstuden int b_in; 68 1.3.2.2 wrstuden int b_out; 69 1.3.2.2 wrstuden char b_buf[MAXBUF]; 70 1.3.2.2 wrstuden }; 71 1.3.2.2 wrstuden 72 1.3.2.2 wrstuden #define TXCOM_HW_CONSOLE 0x40 73 1.3.2.2 wrstuden struct txcom_softc { 74 1.3.2.2 wrstuden struct device sc_dev; 75 1.3.2.2 wrstuden struct tty *sc_tty; 76 1.3.2.2 wrstuden tx_chipset_tag_t sc_tc; 77 1.3.2.2 wrstuden int sc_slot; /* UARTA or UARTB */ 78 1.3.2.2 wrstuden int sc_cflag; 79 1.3.2.2 wrstuden int sc_speed; 80 1.3.2.2 wrstuden struct txcom_buf *sc_rxbuf; 81 1.3.2.2 wrstuden struct txcom_buf *sc_txbuf; 82 1.3.2.2 wrstuden char **sc_msg; 83 1.3.2.2 wrstuden int sc_hwflags; 84 1.3.2.2 wrstuden u_int8_t *sc_tba; /* transmit buffer address */ 85 1.3.2.2 wrstuden int sc_tbc, sc_heldtbc; /* transmit byte count */ 86 1.3.2.2 wrstuden u_int8_t sc_rbuf; /* XXX */ 87 1.3.2.2 wrstuden 88 1.3.2.2 wrstuden }; 89 1.3.2.2 wrstuden volatile int com_softrxintr_scheduled; 90 1.3.2.2 wrstuden 91 1.3.2.2 wrstuden extern struct cfdriver txcom_cd; 92 1.3.2.2 wrstuden 93 1.3.2.2 wrstuden int txcom_match __P((struct device*, struct cfdata*, void*)); 94 1.3.2.2 wrstuden void txcom_attach __P((struct device*, struct device*, void*)); 95 1.3.2.2 wrstuden int txcom_txintr __P((void*)); 96 1.3.2.2 wrstuden int txcom_a_rxintr __P((void*)); 97 1.3.2.2 wrstuden int txcom_b_rxintr __P((void*)); 98 1.3.2.2 wrstuden void txcom_rxsoft __P((void*)); 99 1.3.2.2 wrstuden 100 1.3.2.2 wrstuden int txcom_cngetc __P((dev_t)); 101 1.3.2.2 wrstuden void txcom_cnputc __P((dev_t, int)); 102 1.3.2.2 wrstuden void txcom_cnpollc __P((dev_t, int)); 103 1.3.2.2 wrstuden 104 1.3.2.2 wrstuden void txcomstart __P((struct tty*)); 105 1.3.2.2 wrstuden int txcomparam __P((struct tty*, struct termios*)); 106 1.3.2.2 wrstuden cdev_decl(txcom); 107 1.3.2.2 wrstuden 108 1.3.2.2 wrstuden /* Serial console */ 109 1.3.2.2 wrstuden static struct consdev txcomcons = { 110 1.3.2.2 wrstuden NULL, NULL, txcom_cngetc, txcom_cnputc, 111 1.3.2.2 wrstuden txcom_cnpollc, NODEV, CN_NORMAL 112 1.3.2.2 wrstuden }; 113 1.3.2.2 wrstuden static struct txcom_softc cn_sc; 114 1.3.2.2 wrstuden 115 1.3.2.2 wrstuden struct cfattach txcom_ca = { 116 1.3.2.2 wrstuden sizeof(struct txcom_softc), txcom_match, txcom_attach 117 1.3.2.2 wrstuden }; 118 1.3.2.2 wrstuden 119 1.3.2.2 wrstuden int txcom_enable __P((struct txcom_softc*)); 120 1.3.2.2 wrstuden void txcom_disable __P((struct txcom_softc*)); 121 1.3.2.2 wrstuden void txcom_setmode __P((struct txcom_softc*)); 122 1.3.2.2 wrstuden void txcom_setbaudrate __P((struct txcom_softc*)); 123 1.3.2.2 wrstuden 124 1.3.2.2 wrstuden int 125 1.3.2.2 wrstuden txcom_match(parent, cf, aux) 126 1.3.2.2 wrstuden struct device *parent; 127 1.3.2.2 wrstuden struct cfdata *cf; 128 1.3.2.2 wrstuden void *aux; 129 1.3.2.2 wrstuden { 130 1.3.2.2 wrstuden /* if the autoconfiguration got this far, there's a slot here */ 131 1.3.2.2 wrstuden return 1; 132 1.3.2.2 wrstuden } 133 1.3.2.2 wrstuden 134 1.3.2.2 wrstuden void 135 1.3.2.2 wrstuden txcom_attach(parent, self, aux) 136 1.3.2.2 wrstuden struct device *parent; 137 1.3.2.2 wrstuden struct device *self; 138 1.3.2.2 wrstuden void *aux; 139 1.3.2.2 wrstuden { 140 1.3.2.2 wrstuden struct tx39uart_attach_args *ua = aux; 141 1.3.2.2 wrstuden struct txcom_softc *sc = (void*)self; 142 1.3.2.2 wrstuden tx_chipset_tag_t tc; 143 1.3.2.2 wrstuden struct tty *tp; 144 1.3.2.2 wrstuden 145 1.3.2.2 wrstuden printf("\n"); 146 1.3.2.2 wrstuden 147 1.3.2.2 wrstuden /* Check this slot used as serial console */ 148 1.3.2.2 wrstuden if (ua->ua_slot == cn_sc.sc_slot && 149 1.3.2.2 wrstuden (cn_sc.sc_hwflags & TXCOM_HW_CONSOLE)) { 150 1.3.2.2 wrstuden memcpy(&cn_sc, self, sizeof(struct device)); 151 1.3.2.2 wrstuden memcpy(self, &cn_sc, sizeof(struct txcom_softc)); 152 1.3.2.2 wrstuden } 153 1.3.2.2 wrstuden 154 1.3.2.2 wrstuden tc = sc->sc_tc = ua->ua_tc; 155 1.3.2.2 wrstuden sc->sc_slot = ua->ua_slot; 156 1.3.2.2 wrstuden 157 1.3.2.2 wrstuden tp = ttymalloc(); 158 1.3.2.2 wrstuden tp->t_oproc = txcomstart; 159 1.3.2.2 wrstuden tp->t_param = txcomparam; 160 1.3.2.2 wrstuden tp->t_hwiflow = NULL; 161 1.3.2.2 wrstuden sc->sc_tty = tp; 162 1.3.2.2 wrstuden cn_sc.sc_tty = tp; 163 1.3.2.2 wrstuden tty_attach(tp); 164 1.3.2.2 wrstuden 165 1.3.2.2 wrstuden if (ISSET(sc->sc_hwflags, TXCOM_HW_CONSOLE)) { 166 1.3.2.2 wrstuden int maj; 167 1.3.2.2 wrstuden /* locate the major number */ 168 1.3.2.2 wrstuden for (maj = 0; maj < nchrdev; maj++) 169 1.3.2.2 wrstuden if (cdevsw[maj].d_open == txcomopen) 170 1.3.2.2 wrstuden break; 171 1.3.2.2 wrstuden 172 1.3.2.2 wrstuden cn_tab->cn_dev = makedev(maj, sc->sc_dev.dv_unit); 173 1.3.2.2 wrstuden 174 1.3.2.2 wrstuden printf("%s: console\n", sc->sc_dev.dv_xname); 175 1.3.2.2 wrstuden } 176 1.3.2.2 wrstuden 177 1.3.2.2 wrstuden 178 1.3.2.2 wrstuden /* 179 1.3.2.2 wrstuden * Enable interrupt 180 1.3.2.2 wrstuden */ 181 1.3.2.2 wrstuden switch (sc->sc_slot) { 182 1.3.2.2 wrstuden case TX39_UARTA: 183 1.3.2.2 wrstuden tx_intr_establish(tc, MAKEINTR(2, TX39_INTRSTATUS2_UARTARXINT), 184 1.3.2.2 wrstuden IST_EDGE, IPL_TTY, 185 1.3.2.2 wrstuden txcom_a_rxintr, sc); 186 1.3.2.2 wrstuden break; 187 1.3.2.2 wrstuden case TX39_UARTB: 188 1.3.2.2 wrstuden tx_intr_establish(tc, MAKEINTR(2, TX39_INTRSTATUS2_UARTBRXINT), 189 1.3.2.2 wrstuden IST_EDGE, IPL_TTY, 190 1.3.2.2 wrstuden txcom_b_rxintr, sc); 191 1.3.2.2 wrstuden break; 192 1.3.2.2 wrstuden } 193 1.3.2.2 wrstuden } 194 1.3.2.2 wrstuden 195 1.3.2.2 wrstuden int 196 1.3.2.2 wrstuden txcom_enable(sc) 197 1.3.2.2 wrstuden struct txcom_softc *sc; 198 1.3.2.2 wrstuden { 199 1.3.2.2 wrstuden tx_chipset_tag_t tc; 200 1.3.2.2 wrstuden txreg_t reg; 201 1.3.2.2 wrstuden int slot; 202 1.3.2.2 wrstuden 203 1.3.2.2 wrstuden tc = sc->sc_tc; 204 1.3.2.2 wrstuden slot = sc->sc_slot; 205 1.3.2.2 wrstuden 206 1.3.2.2 wrstuden reg = tx_conf_read(tc, TX39_UARTCTRL1_REG(slot)); 207 1.3.2.2 wrstuden /* Power */ 208 1.3.2.2 wrstuden reg |= TX39_UARTCTRL1_ENUART; 209 1.3.2.2 wrstuden reg &= ~TX39_UARTCTRL1_ENBREAHALT; 210 1.3.2.2 wrstuden tx_conf_write(tc, TX39_UARTCTRL1_REG(slot), reg); 211 1.3.2.2 wrstuden /* 212 1.3.2.2 wrstuden * XXX Disable DMA (DMA not coded yet) 213 1.3.2.2 wrstuden */ 214 1.3.2.2 wrstuden reg &= ~(TX39_UARTCTRL1_ENDMARX | TX39_UARTCTRL1_ENDMATX); 215 1.3.2.2 wrstuden tx_conf_write(tc, TX39_UARTCTRL1_REG(slot), reg); 216 1.3.2.2 wrstuden 217 1.3.2.2 wrstuden /* XXX Clock */ 218 1.3.2.2 wrstuden reg = tx_conf_read(tc, TX39_CLOCKCTRL_REG); 219 1.3.2.2 wrstuden reg |= (slot ? TX39_CLOCK_ENUARTBCLK : TX39_CLOCK_ENUARTACLK); 220 1.3.2.2 wrstuden tx_conf_write(tc, TX39_CLOCKCTRL_REG, reg); 221 1.3.2.2 wrstuden 222 1.3.2.2 wrstuden 223 1.3.2.2 wrstuden return 0; 224 1.3.2.2 wrstuden } 225 1.3.2.2 wrstuden 226 1.3.2.2 wrstuden void 227 1.3.2.2 wrstuden txcom_disable(sc) 228 1.3.2.2 wrstuden struct txcom_softc *sc; 229 1.3.2.2 wrstuden { 230 1.3.2.2 wrstuden tx_chipset_tag_t tc; 231 1.3.2.2 wrstuden txreg_t reg; 232 1.3.2.2 wrstuden int slot; 233 1.3.2.2 wrstuden 234 1.3.2.2 wrstuden tc = sc->sc_tc; 235 1.3.2.2 wrstuden slot = sc->sc_slot; 236 1.3.2.2 wrstuden 237 1.3.2.2 wrstuden reg = tx_conf_read(tc, TX39_UARTCTRL1_REG(slot)); 238 1.3.2.2 wrstuden /* DMA */ 239 1.3.2.2 wrstuden reg &= ~(TX39_UARTCTRL1_ENDMARX | TX39_UARTCTRL1_ENDMATX); 240 1.3.2.2 wrstuden /* Power */ 241 1.3.2.2 wrstuden reg &= ~TX39_UARTCTRL1_ENUART; 242 1.3.2.2 wrstuden tx_conf_write(tc, TX39_UARTCTRL1_REG(slot), reg); 243 1.3.2.2 wrstuden /* Clock */ 244 1.3.2.2 wrstuden reg = tx_conf_read(tc, TX39_CLOCKCTRL_REG); 245 1.3.2.2 wrstuden reg &= ~(slot ? TX39_CLOCK_ENUARTBCLK : TX39_CLOCK_ENUARTACLK); 246 1.3.2.2 wrstuden tx_conf_write(tc, TX39_CLOCKCTRL_REG, reg); 247 1.3.2.2 wrstuden 248 1.3.2.2 wrstuden } 249 1.3.2.2 wrstuden 250 1.3.2.2 wrstuden int 251 1.3.2.2 wrstuden txcom_cnattach(slot, speed, cflag) 252 1.3.2.2 wrstuden int slot, speed, cflag; 253 1.3.2.2 wrstuden { 254 1.3.2.2 wrstuden cn_tab = &txcomcons; 255 1.3.2.2 wrstuden 256 1.3.2.2 wrstuden cn_sc.sc_tc = tx_conf_get_tag(); 257 1.3.2.2 wrstuden cn_sc.sc_slot = slot; 258 1.3.2.2 wrstuden cn_sc.sc_cflag = cflag; 259 1.3.2.2 wrstuden cn_sc.sc_speed = speed; 260 1.3.2.2 wrstuden cn_sc.sc_hwflags |= TXCOM_HW_CONSOLE; 261 1.3.2.2 wrstuden #ifdef WINCE_DEFAULT_SETTING 262 1.3.2.2 wrstuden #warning WINCE_DEFAULT_SETTING 263 1.3.2.2 wrstuden #else 264 1.3.2.2 wrstuden txcom_enable(&cn_sc); 265 1.3.2.2 wrstuden txcom_setmode(&cn_sc); 266 1.3.2.2 wrstuden txcom_setbaudrate(&cn_sc); 267 1.3.2.2 wrstuden #endif 268 1.3.2.2 wrstuden return 0; 269 1.3.2.2 wrstuden } 270 1.3.2.2 wrstuden 271 1.3.2.2 wrstuden int 272 1.3.2.2 wrstuden txcom_cngetc(dev) 273 1.3.2.2 wrstuden dev_t dev; 274 1.3.2.2 wrstuden { 275 1.3.2.2 wrstuden tx_chipset_tag_t tc; 276 1.3.2.2 wrstuden int ofs, c; 277 1.3.2.2 wrstuden tc = cn_sc.sc_tc; 278 1.3.2.2 wrstuden 279 1.3.2.2 wrstuden ofs = TX39_UARTCTRL1_REG(cn_sc.sc_slot); 280 1.3.2.2 wrstuden 281 1.3.2.2 wrstuden while(!(TX39_UARTCTRL1_RXHOLDFULL & tx_conf_read(tc, ofs))) 282 1.3.2.2 wrstuden ; 283 1.3.2.2 wrstuden ofs = TX39_UARTRXHOLD_REG(cn_sc.sc_slot); 284 1.3.2.2 wrstuden c = TX39_UARTRXHOLD_RXDATA(tx_conf_read(tc, ofs)); 285 1.3.2.2 wrstuden if (c == '\r') { 286 1.3.2.2 wrstuden c = '\n'; 287 1.3.2.2 wrstuden } 288 1.3.2.2 wrstuden 289 1.3.2.2 wrstuden return c; 290 1.3.2.2 wrstuden } 291 1.3.2.2 wrstuden 292 1.3.2.2 wrstuden void 293 1.3.2.2 wrstuden txcom_cnputc(dev, c) 294 1.3.2.2 wrstuden dev_t dev; 295 1.3.2.2 wrstuden int c; 296 1.3.2.2 wrstuden { 297 1.3.2.2 wrstuden tx_chipset_tag_t tc; 298 1.3.2.2 wrstuden int ofs; 299 1.3.2.2 wrstuden 300 1.3.2.2 wrstuden tc = cn_sc.sc_tc; 301 1.3.2.2 wrstuden ofs = TX39_UARTCTRL1_REG(cn_sc.sc_slot); 302 1.3.2.2 wrstuden 303 1.3.2.2 wrstuden while (!(tx_conf_read(tc, ofs) & TX39_UARTCTRL1_EMPTY)) 304 1.3.2.2 wrstuden delay(20); 305 1.3.2.2 wrstuden 306 1.3.2.2 wrstuden tx_conf_write(tc, TX39_UARTTXHOLD_REG(cn_sc.sc_slot), 307 1.3.2.2 wrstuden (c & TX39_UARTTXHOLD_TXDATA_MASK)); 308 1.3.2.2 wrstuden 309 1.3.2.2 wrstuden while (!(tx_conf_read(tc, ofs) & TX39_UARTCTRL1_EMPTY)) 310 1.3.2.2 wrstuden delay(20); 311 1.3.2.2 wrstuden 312 1.3.2.2 wrstuden } 313 1.3.2.2 wrstuden 314 1.3.2.2 wrstuden void 315 1.3.2.2 wrstuden txcom_cnpollc(dev, on) 316 1.3.2.2 wrstuden dev_t dev; 317 1.3.2.2 wrstuden int on; 318 1.3.2.2 wrstuden { 319 1.3.2.2 wrstuden } 320 1.3.2.2 wrstuden 321 1.3.2.2 wrstuden void 322 1.3.2.2 wrstuden txcom_setmode(sc) 323 1.3.2.2 wrstuden struct txcom_softc *sc; 324 1.3.2.2 wrstuden { 325 1.3.2.2 wrstuden tcflag_t cflag; 326 1.3.2.2 wrstuden txreg_t reg; 327 1.3.2.2 wrstuden 328 1.3.2.2 wrstuden cflag = sc->sc_cflag; 329 1.3.2.2 wrstuden reg = tx_conf_read(sc->sc_tc, TX39_UARTCTRL1_REG(sc->sc_slot)); 330 1.3.2.2 wrstuden 331 1.3.2.2 wrstuden switch (ISSET(cflag, CSIZE)) { 332 1.3.2.2 wrstuden default: 333 1.3.2.2 wrstuden printf("txcom_setmode: CS7, CS8 only. use CS7"); 334 1.3.2.2 wrstuden /* FALL THROUGH */ 335 1.3.2.2 wrstuden case CS7: 336 1.3.2.2 wrstuden reg |= TX39_UARTCTRL1_BIT7; 337 1.3.2.2 wrstuden break; 338 1.3.2.2 wrstuden case CS8: 339 1.3.2.2 wrstuden reg &= ~TX39_UARTCTRL1_BIT7; 340 1.3.2.2 wrstuden break; 341 1.3.2.2 wrstuden } 342 1.3.2.2 wrstuden if (ISSET(cflag, PARENB)) { 343 1.3.2.2 wrstuden reg |= TX39_UARTCTRL1_ENPARITY; 344 1.3.2.2 wrstuden if (ISSET(cflag, PARODD)) { 345 1.3.2.2 wrstuden reg &= ~TX39_UARTCTRL1_EVENPARITY; 346 1.3.2.2 wrstuden } else { 347 1.3.2.2 wrstuden reg |= TX39_UARTCTRL1_EVENPARITY; 348 1.3.2.2 wrstuden } 349 1.3.2.2 wrstuden } else { 350 1.3.2.2 wrstuden reg &= ~TX39_UARTCTRL1_ENPARITY; 351 1.3.2.2 wrstuden } 352 1.3.2.2 wrstuden if (ISSET(cflag, CSTOPB)) { 353 1.3.2.2 wrstuden reg |= TX39_UARTCTRL1_TWOSTOP; 354 1.3.2.2 wrstuden } 355 1.3.2.2 wrstuden tx_conf_write(sc->sc_tc, TX39_UARTCTRL1_REG(sc->sc_slot), reg); 356 1.3.2.2 wrstuden 357 1.3.2.2 wrstuden } 358 1.3.2.2 wrstuden 359 1.3.2.2 wrstuden void 360 1.3.2.2 wrstuden txcom_setbaudrate(sc) 361 1.3.2.2 wrstuden struct txcom_softc *sc; 362 1.3.2.2 wrstuden { 363 1.3.2.2 wrstuden int baudrate; 364 1.3.2.2 wrstuden txreg_t reg; 365 1.3.2.2 wrstuden 366 1.3.2.2 wrstuden baudrate = TX39_UARTCLOCKHZ / (sc->sc_speed * 16) - 1; 367 1.3.2.2 wrstuden reg = TX39_UARTCTRL2_BAUDRATE_SET(0, baudrate); 368 1.3.2.2 wrstuden 369 1.3.2.2 wrstuden tx_conf_write(sc->sc_tc, TX39_UARTCTRL2_REG(sc->sc_slot), reg); 370 1.3.2.2 wrstuden } 371 1.3.2.2 wrstuden 372 1.3.2.2 wrstuden void 373 1.3.2.2 wrstuden txcom_rxsoft(arg) 374 1.3.2.2 wrstuden void *arg; 375 1.3.2.2 wrstuden { 376 1.3.2.2 wrstuden struct txcom_softc *sc = arg; 377 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 378 1.3.2.2 wrstuden int (*rint) __P((int c, struct tty *tp)) = linesw[tp->t_line].l_rint; 379 1.3.2.2 wrstuden int code = sc->sc_rbuf; 380 1.3.2.2 wrstuden 381 1.3.2.2 wrstuden DPRINTF(("txcom_rxsoft %c %08x\n", code, code)); 382 1.3.2.2 wrstuden com_softrxintr_scheduled = 0; 383 1.3.2.2 wrstuden 384 1.3.2.2 wrstuden if ((*rint)(code, tp) == -1) { 385 1.3.2.2 wrstuden 386 1.3.2.2 wrstuden } 387 1.3.2.2 wrstuden } 388 1.3.2.2 wrstuden 389 1.3.2.2 wrstuden int 390 1.3.2.2 wrstuden txcom_a_rxintr(arg) 391 1.3.2.2 wrstuden void *arg; 392 1.3.2.2 wrstuden { 393 1.3.2.2 wrstuden struct txcom_softc *sc = arg; 394 1.3.2.2 wrstuden u_int8_t c; 395 1.3.2.2 wrstuden 396 1.3.2.2 wrstuden if (!com_softrxintr_scheduled) { 397 1.3.2.2 wrstuden com_softrxintr_scheduled = 1; 398 1.3.2.2 wrstuden timeout(txcom_rxsoft, arg, 1); 399 1.3.2.2 wrstuden } 400 1.3.2.2 wrstuden DPRINTF(("txcom_rxintr\n")); 401 1.3.2.2 wrstuden c = 0xff & tx_conf_read(sc->sc_tc, TX39_UARTRXHOLD_REG(sc->sc_slot)); 402 1.3.2.2 wrstuden sc->sc_rbuf = c; 403 1.3.2.2 wrstuden 404 1.3.2.2 wrstuden return 0; 405 1.3.2.2 wrstuden } 406 1.3.2.2 wrstuden 407 1.3.2.2 wrstuden int 408 1.3.2.2 wrstuden txcom_b_rxintr(arg) 409 1.3.2.2 wrstuden void *arg; 410 1.3.2.2 wrstuden { 411 1.3.2.2 wrstuden struct txcom_softc *sc = arg; 412 1.3.2.2 wrstuden u_int8_t c; 413 1.3.2.2 wrstuden 414 1.3.2.2 wrstuden if (!com_softrxintr_scheduled) { 415 1.3.2.2 wrstuden com_softrxintr_scheduled = 1; 416 1.3.2.2 wrstuden timeout(txcom_rxsoft, arg, 1); 417 1.3.2.2 wrstuden } 418 1.3.2.2 wrstuden DPRINTF(("txcom_rxintr\n")); 419 1.3.2.2 wrstuden c = 0xff & tx_conf_read(sc->sc_tc, TX39_UARTRXHOLD_REG(sc->sc_slot)); 420 1.3.2.2 wrstuden sc->sc_rbuf = c; 421 1.3.2.2 wrstuden 422 1.3.2.2 wrstuden return 0; 423 1.3.2.2 wrstuden } 424 1.3.2.2 wrstuden 425 1.3.2.2 wrstuden 426 1.3.2.2 wrstuden int 427 1.3.2.2 wrstuden txcomopen(dev, flag, mode, p) 428 1.3.2.2 wrstuden dev_t dev; 429 1.3.2.2 wrstuden int flag, mode; 430 1.3.2.2 wrstuden struct proc *p; 431 1.3.2.2 wrstuden { 432 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 433 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 434 1.3.2.2 wrstuden int err; 435 1.3.2.2 wrstuden struct termios t; 436 1.3.2.2 wrstuden 437 1.3.2.2 wrstuden tp->t_dev = dev; 438 1.3.2.2 wrstuden 439 1.3.2.2 wrstuden /* XXX XXX XXX */ 440 1.3.2.2 wrstuden tp->t_ispeed = 0; 441 1.3.2.2 wrstuden tp->t_ospeed = 9600; 442 1.3.2.2 wrstuden tp->t_cflag = (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8 | CLOCAL | HUPCL; 443 1.3.2.2 wrstuden txcomparam(tp, &t); /* not yet */ 444 1.3.2.2 wrstuden /* XXX XXX XXX */ 445 1.3.2.2 wrstuden 446 1.3.2.2 wrstuden tp->t_iflag = TTYDEF_IFLAG; 447 1.3.2.2 wrstuden tp->t_oflag = TTYDEF_OFLAG; 448 1.3.2.2 wrstuden tp->t_lflag = TTYDEF_LFLAG; 449 1.3.2.2 wrstuden ttychars(tp); 450 1.3.2.2 wrstuden ttsetwater(tp); 451 1.3.2.2 wrstuden 452 1.3.2.2 wrstuden if ((err = ttyopen(tp, minor(dev), ISSET(flag, O_NONBLOCK)))) { 453 1.3.2.2 wrstuden DPRINTF(("txcomopen: ttyopen failed\n")); 454 1.3.2.2 wrstuden return err; 455 1.3.2.2 wrstuden } 456 1.3.2.2 wrstuden if ((err = (*linesw[tp->t_line].l_open)(dev, tp))) { 457 1.3.2.2 wrstuden DPRINTF(("txcomopen: line dicipline open failed\n")); 458 1.3.2.2 wrstuden return err; 459 1.3.2.2 wrstuden } 460 1.3.2.2 wrstuden 461 1.3.2.2 wrstuden return err; 462 1.3.2.2 wrstuden } 463 1.3.2.2 wrstuden 464 1.3.2.2 wrstuden int 465 1.3.2.2 wrstuden txcomclose(dev, flag, mode, p) 466 1.3.2.2 wrstuden dev_t dev; 467 1.3.2.2 wrstuden int flag, mode; 468 1.3.2.2 wrstuden struct proc *p; 469 1.3.2.2 wrstuden { 470 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 471 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 472 1.3.2.2 wrstuden 473 1.3.2.2 wrstuden DPRINTF(("txcomclose\n")); 474 1.3.2.2 wrstuden (*linesw[tp->t_line].l_close)(tp, flag); 475 1.3.2.2 wrstuden ttyclose(tp); 476 1.3.2.2 wrstuden 477 1.3.2.2 wrstuden return 0; 478 1.3.2.2 wrstuden } 479 1.3.2.2 wrstuden 480 1.3.2.2 wrstuden int 481 1.3.2.2 wrstuden txcomread(dev, uio, flag) 482 1.3.2.2 wrstuden dev_t dev; 483 1.3.2.2 wrstuden struct uio *uio; 484 1.3.2.2 wrstuden int flag; 485 1.3.2.2 wrstuden { 486 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 487 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 488 1.3.2.2 wrstuden DPRINTF(("txcomread\n")); 489 1.3.2.2 wrstuden return ((*linesw[tp->t_line].l_read)(tp, uio, flag)); 490 1.3.2.2 wrstuden } 491 1.3.2.2 wrstuden 492 1.3.2.2 wrstuden int 493 1.3.2.2 wrstuden txcomwrite(dev, uio, flag) 494 1.3.2.2 wrstuden dev_t dev; 495 1.3.2.2 wrstuden struct uio *uio; 496 1.3.2.2 wrstuden int flag; 497 1.3.2.2 wrstuden { 498 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 499 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 500 1.3.2.2 wrstuden 501 1.3.2.2 wrstuden DPRINTF(("txcomwrite\n")); 502 1.3.2.2 wrstuden return ((*linesw[tp->t_line].l_write)(tp, uio, flag)); 503 1.3.2.2 wrstuden } 504 1.3.2.2 wrstuden 505 1.3.2.2 wrstuden struct tty * 506 1.3.2.2 wrstuden txcomtty(dev) 507 1.3.2.2 wrstuden dev_t dev; 508 1.3.2.2 wrstuden { 509 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 510 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 511 1.3.2.2 wrstuden DPRINTF(("txcomtty\n")); 512 1.3.2.2 wrstuden return tp; 513 1.3.2.2 wrstuden } 514 1.3.2.2 wrstuden 515 1.3.2.2 wrstuden int 516 1.3.2.2 wrstuden txcomioctl(dev, cmd, data, flag, p) 517 1.3.2.2 wrstuden dev_t dev; 518 1.3.2.2 wrstuden u_long cmd; 519 1.3.2.2 wrstuden caddr_t data; 520 1.3.2.2 wrstuden int flag; 521 1.3.2.2 wrstuden struct proc *p; 522 1.3.2.2 wrstuden { 523 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(dev)]; 524 1.3.2.2 wrstuden struct tty *tp = sc->sc_tty; 525 1.3.2.2 wrstuden int error; 526 1.3.2.2 wrstuden 527 1.3.2.2 wrstuden DPRINTF(("txcomioctl\n")); 528 1.3.2.2 wrstuden error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 529 1.3.2.2 wrstuden if (error >= 0) 530 1.3.2.2 wrstuden return (error); 531 1.3.2.2 wrstuden 532 1.3.2.2 wrstuden error = ttioctl(tp, cmd, data, flag, p); 533 1.3.2.2 wrstuden if (error >= 0) 534 1.3.2.2 wrstuden return (error); 535 1.3.2.2 wrstuden 536 1.3.2.2 wrstuden return 0; 537 1.3.2.2 wrstuden } 538 1.3.2.2 wrstuden 539 1.3.2.2 wrstuden void 540 1.3.2.2 wrstuden txcomstop(tp, flag) 541 1.3.2.2 wrstuden struct tty *tp; 542 1.3.2.2 wrstuden int flag; 543 1.3.2.2 wrstuden { 544 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(tp->t_dev)]; 545 1.3.2.2 wrstuden int s; 546 1.3.2.2 wrstuden 547 1.3.2.2 wrstuden DPRINTF(("txcomstop\n")); 548 1.3.2.2 wrstuden s = spltty(); 549 1.3.2.2 wrstuden 550 1.3.2.2 wrstuden if (ISSET(tp->t_state, TS_BUSY)) { 551 1.3.2.2 wrstuden /* Stop transmitting at the next chunk. */ 552 1.3.2.2 wrstuden sc->sc_tbc = 0; 553 1.3.2.2 wrstuden sc->sc_heldtbc = 0; 554 1.3.2.2 wrstuden if (!ISSET(tp->t_state, TS_TTSTOP)) 555 1.3.2.2 wrstuden SET(tp->t_state, TS_FLUSH); 556 1.3.2.2 wrstuden } 557 1.3.2.2 wrstuden splx(s); 558 1.3.2.2 wrstuden } 559 1.3.2.2 wrstuden 560 1.3.2.2 wrstuden void 561 1.3.2.2 wrstuden txcomstart(tp) 562 1.3.2.2 wrstuden struct tty *tp; 563 1.3.2.2 wrstuden { 564 1.3.2.2 wrstuden struct txcom_softc *sc = txcom_cd.cd_devs[minor(tp->t_dev)]; 565 1.3.2.2 wrstuden int s; 566 1.3.2.2 wrstuden 567 1.3.2.2 wrstuden DPRINTF(("txcomstart\n")); 568 1.3.2.2 wrstuden s = spltty(); 569 1.3.2.2 wrstuden if (ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) 570 1.3.2.2 wrstuden return; 571 1.3.2.2 wrstuden 572 1.3.2.2 wrstuden if (tp->t_outq.c_cc <= tp->t_lowat) { 573 1.3.2.2 wrstuden if (ISSET(tp->t_state, TS_ASLEEP)) { 574 1.3.2.2 wrstuden CLR(tp->t_state, TS_ASLEEP); 575 1.3.2.2 wrstuden wakeup(&tp->t_outq); 576 1.3.2.2 wrstuden } 577 1.3.2.2 wrstuden selwakeup(&tp->t_wsel); 578 1.3.2.2 wrstuden if (tp->t_outq.c_cc == 0) 579 1.3.2.2 wrstuden return; 580 1.3.2.2 wrstuden } 581 1.3.2.2 wrstuden sc->sc_tba = tp->t_outq.c_cf; 582 1.3.2.2 wrstuden sc->sc_tbc = ndqb(&tp->t_outq, 0); 583 1.3.2.2 wrstuden while (sc->sc_tbc-- > 0) { 584 1.3.2.2 wrstuden txcom_cnputc(tp->t_dev, *sc->sc_tba++); 585 1.3.2.2 wrstuden } 586 1.3.2.2 wrstuden sc->sc_tbc = 0; 587 1.3.2.2 wrstuden 588 1.3.2.2 wrstuden CLR(tp->t_state, TS_BUSY); 589 1.3.2.2 wrstuden if (ISSET(tp->t_state, TS_FLUSH)) { 590 1.3.2.2 wrstuden CLR(tp->t_state, TS_FLUSH); 591 1.3.2.2 wrstuden } else { 592 1.3.2.2 wrstuden ndflush(&tp->t_outq, (int)(sc->sc_tba - tp->t_outq.c_cf)); 593 1.3.2.2 wrstuden } 594 1.3.2.2 wrstuden splx(s); 595 1.3.2.2 wrstuden } 596 1.3.2.2 wrstuden 597 1.3.2.2 wrstuden int 598 1.3.2.2 wrstuden txcomparam(tp, t) 599 1.3.2.2 wrstuden struct tty *tp; 600 1.3.2.2 wrstuden struct termios *t; 601 1.3.2.2 wrstuden { 602 1.3.2.2 wrstuden DPRINTF(("txcomparam\n")); 603 1.3.2.2 wrstuden return 0; 604 1.3.2.2 wrstuden } 605
Indexes created Tue Nov 04 09:09:57 GMT 2025