1 /* $NetBSD: ucb1200.c,v 1.21 2021/08/07 16:18:54 thorpej 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 1.21 2021/08/07 16:18:54 thorpej 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 device_t 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(device_t, cfdata_t, void *); 76 void ucb1200_attach(device_t, device_t, void *); 77 int ucb1200_print(void *, const char *); 78 int ucb1200_search(device_t, cfdata_t, const int *, void *); 79 int ucb1200_check_id(u_int16_t, int); 80 81 #ifdef UCB1200_DEBUG 82 void ucb1200_dump(struct ucb1200_softc *); 83 #endif 84 85 CFATTACH_DECL_NEW(ucb, sizeof(struct ucb1200_softc), 86 ucb1200_match, ucb1200_attach, NULL, NULL); 87 88 const struct ucb_id { 89 u_int16_t id; 90 const char *product; 91 } ucb_id[] = { 92 { UCB1100_ID, "PHILIPS UCB1100" }, 93 { UCB1200_ID, "PHILIPS UCB1200" }, 94 { UCB1300_ID, "PHILIPS UCB1300" }, 95 { TC35413F_ID, "TOSHIBA TC35413F" }, 96 { 0, 0 } 97 }; 98 99 int 100 ucb1200_match(device_t parent, cfdata_t cf, void *aux) 101 { 102 struct txsib_attach_args *sa = aux; 103 u_int16_t reg; 104 105 if (sa->sa_slot != 0) /* UCB1200 must be subframe 0 */ 106 return (0); 107 reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG); 108 109 return (ucb1200_check_id(reg, 0)); 110 } 111 112 void 113 ucb1200_attach(device_t parent, device_t self, void *aux) 114 { 115 struct txsib_attach_args *sa = aux; 116 struct ucb1200_softc *sc = device_private(self); 117 u_int16_t reg; 118 119 printf(": "); 120 sc->sc_tc = sa->sa_tc; 121 sc->sc_parent = parent; 122 sc->sc_snd_rate = sa->sa_snd_rate; 123 sc->sc_tel_rate = sa->sa_tel_rate; 124 125 tx39sib_enable1(sc->sc_parent); 126 tx39sib_enable2(sc->sc_parent); 127 128 #ifdef UCB1200_DEBUG 129 if (ucb1200_debug) 130 ucb1200_dump(sc); 131 #endif 132 reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG); 133 (void)ucb1200_check_id(reg, 1); 134 printf("\n"); 135 136 config_search(self, NULL, 137 CFARGS(.search = ucb1200_search)); 138 } 139 140 int 141 ucb1200_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 142 { 143 struct ucb1200_softc *sc = device_private(parent); 144 struct ucb1200_attach_args ucba; 145 146 ucba.ucba_tc = sc->sc_tc; 147 ucba.ucba_snd_rate = sc->sc_snd_rate; 148 ucba.ucba_tel_rate = sc->sc_tel_rate; 149 ucba.ucba_sib = sc->sc_parent; 150 ucba.ucba_ucb = parent; 151 152 if (config_probe(parent, cf, &ucba)) 153 config_attach(parent, cf, &ucba, ucb1200_print, CFARGS_NONE); 154 155 return (0); 156 } 157 158 int 159 ucb1200_print(void *aux, const char *pnp) 160 { 161 162 return (pnp ? QUIET : UNCONF); 163 } 164 165 int 166 ucb1200_check_id(u_int16_t idreg, int print) 167 { 168 int i; 169 170 for (i = 0; ucb_id[i].product; i++) { 171 if (ucb_id[i].id == idreg) { 172 if (print) { 173 printf("%s", ucb_id[i].product); 174 } 175 176 return (1); 177 } 178 } 179 180 return (0); 181 } 182 183 void 184 ucb1200_state_install(device_t dev, int (*sfun)(void *), void *sarg, 185 int sid) 186 { 187 struct ucb1200_softc *sc = device_private(dev); 188 189 sc->sc_child[sid].cs_busy = sfun; 190 sc->sc_child[sid].cs_arg = sarg; 191 } 192 193 int 194 ucb1200_state_idle(device_t dev) 195 { 196 struct ucb1200_softc *sc = device_private(dev); 197 struct ucbchild_state *cs; 198 int i; 199 200 cs = sc->sc_child; 201 for (i = 0; i < UCB1200_MODULE_MAX; i++, cs++) 202 if (cs->cs_busy) 203 if ((*cs->cs_busy)(cs->cs_arg)) 204 return (0); 205 206 return (1); /* idle state */ 207 } 208 209 #ifdef UCB1200_DEBUG 210 void 211 ucb1200_dump(struct ucb1200_softc *sc) 212 { 213 static const char *const regname[] = { 214 "IO_DATA ", 215 "IO_DIR ", 216 "POSINTEN ", 217 "NEGINTEN ", 218 "INTSTAT ", 219 "TELECOMCTRLA ", 220 "TELECOMCTRLB ", 221 "AUDIOCTRLA ", 222 "AUDIOCTRLB ", 223 "TOUCHSCREENCTRL", 224 "ADCCTRL ", 225 "ADCDATA ", 226 "ID ", 227 "MODE ", 228 "RESERVED ", 229 "NULL " 230 }; 231 tx_chipset_tag_t tc; 232 u_int16_t reg; 233 int i; 234 235 tc = sc->sc_tc; 236 237 printf("\n\t[UCB1200 register]\n"); 238 for (i = 0; i < 16; i++) { 239 reg = txsibsf0_reg_read(tc, i); 240 printf("%s(%02d) 0x%04x ", regname[i], i, reg); 241 dbg_bit_print(reg); 242 } 243 } 244 #endif /* UCB1200_DEBUG */ 245
Indexes created Tue Sep 23 23:09:58 GMT 2025