ucb1200.c revision 1.2
1 /* $NetBSD: ucb1200.c,v 1.2 2000/01/12 14:56:22 uch Exp $ */ 2 3 /* 4 * Copyright (c) 2000, by UCHIYAMA Yasushi 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. The name of the developer may NOT be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 /* 30 * Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end 31 */ 32 #undef UCB1200DEBUG 33 #include "opt_tx39_debug.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <machine/bus.h> 40 #include <machine/intr.h> 41 42 #include <hpcmips/tx/tx39var.h> 43 #include <hpcmips/tx/tx39sibvar.h> 44 #include <hpcmips/tx/tx39sibreg.h> 45 46 #include <hpcmips/dev/ucb1200var.h> 47 #include <hpcmips/dev/ucb1200reg.h> 48 49 #ifdef UCB1200DEBUG 50 int ucb1200_debug = 1; 51 #define DPRINTF(arg) if (ucb1200_debug) printf arg; 52 #define DPRINTFN(n, arg) if (ucb1200_debug > (n)) printf arg; 53 #else 54 #define DPRINTF(arg) 55 #define DPRINTFN(n, arg) 56 #endif 57 58 struct ucbchild_state { 59 int (*cs_busy) __P((void*)); 60 void *cs_arg; 61 }; 62 63 struct ucb1200_softc { 64 struct device sc_dev; 65 struct device *sc_parent; /* parent (TX39 SIB module) */ 66 tx_chipset_tag_t sc_tc; 67 68 int sc_snd_rate; /* passed down from SIB module */ 69 int sc_tel_rate; 70 71 /* inquire child module state */ 72 struct ucbchild_state sc_child[UCB1200_MODULE_MAX]; 73 }; 74 75 int ucb1200_match __P((struct device*, struct cfdata*, void*)); 76 void ucb1200_attach __P((struct device*, struct device*, void*)); 77 int ucb1200_print __P((void*, const char*)); 78 int ucb1200_search __P((struct device*, struct cfdata*, void*)); 79 80 void ucb1200_dump __P((struct ucb1200_softc*)); 81 82 struct cfattach ucb_ca = { 83 sizeof(struct ucb1200_softc), ucb1200_match, ucb1200_attach 84 }; 85 86 int 87 ucb1200_match(parent, cf, aux) 88 struct device *parent; 89 struct cfdata *cf; 90 void *aux; 91 { 92 struct txsib_attach_args *sa = aux; 93 u_int16_t reg; 94 95 if (sa->sa_slot != 0) /* UCB1200 must be subframe 0 */ 96 return 0; 97 reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG); 98 99 if (reg == UCB1200_ID || reg == TC35413F_ID) 100 return 1; 101 else 102 return 0; 103 } 104 105 void 106 ucb1200_attach(parent, self, aux) 107 struct device *parent; 108 struct device *self; 109 void *aux; 110 { 111 struct txsib_attach_args *sa = aux; 112 struct ucb1200_softc *sc = (void*)self; 113 114 sc->sc_tc = sa->sa_tc; 115 sc->sc_parent = parent; 116 sc->sc_snd_rate = sa->sa_snd_rate; 117 sc->sc_tel_rate = sa->sa_tel_rate; 118 119 tx39sib_enable1(sc->sc_parent); 120 tx39sib_enable2(sc->sc_parent); 121 122 #ifdef UCB1200DEBUG 123 ucb1200_dump(sc); 124 #endif 125 printf("\n"); 126 127 config_search(ucb1200_search, self, ucb1200_print); 128 } 129 130 int 131 ucb1200_search(parent, cf, aux) 132 struct device *parent; 133 struct cfdata *cf; 134 void *aux; 135 { 136 struct ucb1200_softc *sc = (void*)parent; 137 struct ucb1200_attach_args ucba; 138 139 ucba.ucba_tc = sc->sc_tc; 140 ucba.ucba_snd_rate = sc->sc_snd_rate; 141 ucba.ucba_tel_rate = sc->sc_tel_rate; 142 ucba.ucba_sib = sc->sc_parent; 143 ucba.ucba_ucb = parent; 144 145 if ((*cf->cf_attach->ca_match)(parent, cf, &ucba)) 146 config_attach(parent, cf, &ucba, ucb1200_print); 147 148 return 0; 149 } 150 151 int 152 ucb1200_print(aux, pnp) 153 void *aux; 154 const char *pnp; 155 { 156 return pnp ? QUIET : UNCONF; 157 } 158 159 void 160 ucb1200_state_install(dev, sfun, sarg, sid) 161 struct device *dev; 162 int (*sfun) __P((void*)); 163 void *sarg; 164 int sid; 165 { 166 struct ucb1200_softc *sc = (void*)dev; 167 168 sc->sc_child[sid].cs_busy = sfun; 169 sc->sc_child[sid].cs_arg = sarg; 170 } 171 172 int 173 ucb1200_state_idle(dev) 174 struct device *dev; 175 { 176 struct ucb1200_softc *sc = (void*)dev; 177 struct ucbchild_state *cs; 178 int i; 179 180 cs = sc->sc_child; 181 for (i = 0; i < UCB1200_MODULE_MAX; i++, cs++) 182 if (cs->cs_busy) 183 if ((*cs->cs_busy)(cs->cs_arg)) 184 return 0; 185 186 return 1; /* idle state */ 187 } 188 189 void 190 ucb1200_dump(sc) 191 struct ucb1200_softc *sc; 192 { 193 const char *regname[] = { 194 "IO_DATA ", 195 "IO_DIR ", 196 "POSINTEN ", 197 "NEGINTEN ", 198 "INTSTAT ", 199 "TELECOMCTRLA ", 200 "TELECOMCTRLB ", 201 "AUDIOCTRLA ", 202 "AUDIOCTRLB ", 203 "TOUCHSCREENCTRL", 204 "ADCCTRL ", 205 "ADCDATA ", 206 "ID ", 207 "MODE ", 208 "RESERVED ", 209 "NULL " 210 }; 211 tx_chipset_tag_t tc = sc->sc_tc; 212 u_int16_t reg; 213 int i; 214 215 printf("\n\t[UCB1200 register]\n"); 216 for (i = 0; i < 16; i++) { 217 reg = txsibsf0_reg_read(tc, i); 218 printf("%s(%02d) 0x%04x ", regname[i], i, reg); 219 bitdisp(reg); 220 } 221 } 222
Indexes created Thu Sep 25 08:09:54 GMT 2025