ucb1200.c revision 1.16.76.1
1 /* $NetBSD: ucb1200.c,v 1.16.76.1 2008/05/18 12:32:03 yamt Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: ucb1200.c,v 1.16.76.1 2008/05/18 12:32:03 yamt Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <machine/bus.h> 44 #include <machine/intr.h> 45 46 #include <hpcmips/tx/tx39var.h> 47 #include <hpcmips/tx/tx39sibvar.h> 48 #include <hpcmips/tx/tx39sibreg.h> 49 50 #include <hpcmips/dev/ucb1200var.h> 51 #include <hpcmips/dev/ucb1200reg.h> 52 53 #ifdef UCB1200_DEBUG 54 #define DPRINTF_ENABLE 55 #define DPRINTF_DEBUG ucb1200_debug 56 #endif 57 #include <machine/debug.h> 58 59 struct ucbchild_state { 60 int (*cs_busy)(void *); 61 void *cs_arg; 62 }; 63 64 struct ucb1200_softc { 65 struct device sc_dev; 66 struct device *sc_parent; /* parent (TX39 SIB module) */ 67 tx_chipset_tag_t sc_tc; 68 69 int sc_snd_rate; /* passed down from SIB module */ 70 int sc_tel_rate; 71 72 /* inquire child module state */ 73 struct ucbchild_state sc_child[UCB1200_MODULE_MAX]; 74 }; 75 76 int ucb1200_match(struct device *, struct cfdata *, void *); 77 void ucb1200_attach(struct device *, struct device *, void *); 78 int ucb1200_print(void *, const char *); 79 int ucb1200_search(struct device *, struct cfdata *, 80 const int *, void *); 81 int ucb1200_check_id(u_int16_t, int); 82 83 #ifdef UCB1200_DEBUG 84 void ucb1200_dump(struct ucb1200_softc *); 85 #endif 86 87 CFATTACH_DECL(ucb, sizeof(struct ucb1200_softc), 88 ucb1200_match, ucb1200_attach, NULL, NULL); 89 90 const struct ucb_id { 91 u_int16_t id; 92 const char *product; 93 } ucb_id[] = { 94 { UCB1100_ID, "PHILIPS UCB1100" }, 95 { UCB1200_ID, "PHILIPS UCB1200" }, 96 { UCB1300_ID, "PHILIPS UCB1300" }, 97 { TC35413F_ID, "TOSHIBA TC35413F" }, 98 { 0, 0 } 99 }; 100 101 int 102 ucb1200_match(struct device *parent, struct cfdata *cf, void *aux) 103 { 104 struct txsib_attach_args *sa = aux; 105 u_int16_t reg; 106 107 if (sa->sa_slot != 0) /* UCB1200 must be subframe 0 */ 108 return (0); 109 reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG); 110 111 return (ucb1200_check_id(reg, 0)); 112 } 113 114 void 115 ucb1200_attach(struct device *parent, struct device *self, void *aux) 116 { 117 struct txsib_attach_args *sa = aux; 118 struct ucb1200_softc *sc = (void*)self; 119 u_int16_t reg; 120 121 printf(": "); 122 sc->sc_tc = sa->sa_tc; 123 sc->sc_parent = parent; 124 sc->sc_snd_rate = sa->sa_snd_rate; 125 sc->sc_tel_rate = sa->sa_tel_rate; 126 127 tx39sib_enable1(sc->sc_parent); 128 tx39sib_enable2(sc->sc_parent); 129 130 #ifdef UCB1200_DEBUG 131 if (ucb1200_debug) 132 ucb1200_dump(sc); 133 #endif 134 reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG); 135 (void)ucb1200_check_id(reg, 1); 136 printf("\n"); 137 138 config_search_ia(ucb1200_search, self, "ucbif", ucb1200_print); 139 } 140 141 int 142 ucb1200_search(struct device *parent, struct cfdata *cf, 143 const int *ldesc, void *aux) 144 { 145 struct ucb1200_softc *sc = (void*)parent; 146 struct ucb1200_attach_args ucba; 147 148 ucba.ucba_tc = sc->sc_tc; 149 ucba.ucba_snd_rate = sc->sc_snd_rate; 150 ucba.ucba_tel_rate = sc->sc_tel_rate; 151 ucba.ucba_sib = sc->sc_parent; 152 ucba.ucba_ucb = parent; 153 154 if (config_match(parent, cf, &ucba)) 155 config_attach(parent, cf, &ucba, ucb1200_print); 156 157 return (0); 158 } 159 160 int 161 ucb1200_print(void *aux, const char *pnp) 162 { 163 164 return (pnp ? QUIET : UNCONF); 165 } 166 167 int 168 ucb1200_check_id(u_int16_t idreg, int print) 169 { 170 int i; 171 172 for (i = 0; ucb_id[i].product; i++) { 173 if (ucb_id[i].id == idreg) { 174 if (print) { 175 printf("%s", ucb_id[i].product); 176 } 177 178 return (1); 179 } 180 } 181 182 return (0); 183 } 184 185 void 186 ucb1200_state_install(struct device *dev, int (*sfun)(void *), void *sarg, 187 int sid) 188 { 189 struct ucb1200_softc *sc = (void*)dev; 190 191 sc->sc_child[sid].cs_busy = sfun; 192 sc->sc_child[sid].cs_arg = sarg; 193 } 194 195 int 196 ucb1200_state_idle(dev) 197 struct device *dev; 198 { 199 struct ucb1200_softc *sc = (void*)dev; 200 struct ucbchild_state *cs; 201 int i; 202 203 cs = sc->sc_child; 204 for (i = 0; i < UCB1200_MODULE_MAX; i++, cs++) 205 if (cs->cs_busy) 206 if ((*cs->cs_busy)(cs->cs_arg)) 207 return (0); 208 209 return (1); /* idle state */ 210 } 211 212 #ifdef UCB1200_DEBUG 213 void 214 ucb1200_dump(struct ucb1200_softc *sc) 215 { 216 static const char *const regname[] = { 217 "IO_DATA ", 218 "IO_DIR ", 219 "POSINTEN ", 220 "NEGINTEN ", 221 "INTSTAT ", 222 "TELECOMCTRLA ", 223 "TELECOMCTRLB ", 224 "AUDIOCTRLA ", 225 "AUDIOCTRLB ", 226 "TOUCHSCREENCTRL", 227 "ADCCTRL ", 228 "ADCDATA ", 229 "ID ", 230 "MODE ", 231 "RESERVED ", 232 "NULL " 233 }; 234 tx_chipset_tag_t tc; 235 u_int16_t reg; 236 int i; 237 238 tc = sc->sc_tc; 239 240 printf("\n\t[UCB1200 register]\n"); 241 for (i = 0; i < 16; i++) { 242 reg = txsibsf0_reg_read(tc, i); 243 printf("%s(%02d) 0x%04x ", regname[i], i, reg); 244 dbg_bit_print(reg); 245 } 246 } 247 #endif /* UCB1200_DEBUG */ 248
Indexes created Fri Oct 03 02:09:57 GMT 2025