ucb1200.c revision 1.19
1 /* $NetBSD: ucb1200.c,v 1.19 2012/10/27 17:17:53 chs 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 1.19 2012/10/27 17:17:53 chs 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_ia(ucb1200_search, self, "ucbif", ucb1200_print); 137 } 138 139 int 140 ucb1200_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 141 { 142 struct ucb1200_softc *sc = device_private(parent); 143 struct ucb1200_attach_args ucba; 144 145 ucba.ucba_tc = sc->sc_tc; 146 ucba.ucba_snd_rate = sc->sc_snd_rate; 147 ucba.ucba_tel_rate = sc->sc_tel_rate; 148 ucba.ucba_sib = sc->sc_parent; 149 ucba.ucba_ucb = parent; 150 151 if (config_match(parent, cf, &ucba)) 152 config_attach(parent, cf, &ucba, ucb1200_print); 153 154 return (0); 155 } 156 157 int 158 ucb1200_print(void *aux, const char *pnp) 159 { 160 161 return (pnp ? QUIET : UNCONF); 162 } 163 164 int 165 ucb1200_check_id(u_int16_t idreg, int print) 166 { 167 int i; 168 169 for (i = 0; ucb_id[i].product; i++) { 170 if (ucb_id[i].id == idreg) { 171 if (print) { 172 printf("%s", ucb_id[i].product); 173 } 174 175 return (1); 176 } 177 } 178 179 return (0); 180 } 181 182 void 183 ucb1200_state_install(device_t dev, int (*sfun)(void *), void *sarg, 184 int sid) 185 { 186 struct ucb1200_softc *sc = device_private(dev); 187 188 sc->sc_child[sid].cs_busy = sfun; 189 sc->sc_child[sid].cs_arg = sarg; 190 } 191 192 int 193 ucb1200_state_idle(device_t dev) 194 { 195 struct ucb1200_softc *sc = device_private(dev); 196 struct ucbchild_state *cs; 197 int i; 198 199 cs = sc->sc_child; 200 for (i = 0; i < UCB1200_MODULE_MAX; i++, cs++) 201 if (cs->cs_busy) 202 if ((*cs->cs_busy)(cs->cs_arg)) 203 return (0); 204 205 return (1); /* idle state */ 206 } 207 208 #ifdef UCB1200_DEBUG 209 void 210 ucb1200_dump(struct ucb1200_softc *sc) 211 { 212 static const char *const regname[] = { 213 "IO_DATA ", 214 "IO_DIR ", 215 "POSINTEN ", 216 "NEGINTEN ", 217 "INTSTAT ", 218 "TELECOMCTRLA ", 219 "TELECOMCTRLB ", 220 "AUDIOCTRLA ", 221 "AUDIOCTRLB ", 222 "TOUCHSCREENCTRL", 223 "ADCCTRL ", 224 "ADCDATA ", 225 "ID ", 226 "MODE ", 227 "RESERVED ", 228 "NULL " 229 }; 230 tx_chipset_tag_t tc; 231 u_int16_t reg; 232 int i; 233 234 tc = sc->sc_tc; 235 236 printf("\n\t[UCB1200 register]\n"); 237 for (i = 0; i < 16; i++) { 238 reg = txsibsf0_reg_read(tc, i); 239 printf("%s(%02d) 0x%04x ", regname[i], i, reg); 240 dbg_bit_print(reg); 241 } 242 } 243 #endif /* UCB1200_DEBUG */ 244
Indexes created Fri Sep 26 20:09:58 GMT 2025