radiotrack.c revision 1.5.2.3
1 1.5.2.3 nathanw /* $NetBSD: radiotrack.c,v 1.5.2.3 2002/01/11 23:39:11 nathanw Exp $ */ 2 1.5.2.2 nathanw /* $OpenBSD: radiotrack.c,v 1.1 2001/12/05 10:27:06 mickey Exp $ */ 3 1.5.2.2 nathanw /* $RuOBSD: radiotrack.c,v 1.3 2001/10/18 16:51:36 pva Exp $ */ 4 1.5.2.2 nathanw 5 1.5.2.2 nathanw /* 6 1.5.2.2 nathanw * Copyright (c) 2001 Maxim Tsyplakov <tm (at) oganer.net>, 7 1.5.2.2 nathanw * Vladimir Popov <jumbo (at) narod.ru> 8 1.5.2.2 nathanw * All rights reserved. 9 1.5.2.2 nathanw * 10 1.5.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.5.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.5.2.2 nathanw * are met: 13 1.5.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.5.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.5.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.5.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.5.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.5.2.2 nathanw * 19 1.5.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 20 1.5.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 1.5.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 1.5.2.2 nathanw * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 1.5.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 1.5.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 1.5.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 1.5.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 1.5.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 1.5.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 1.5.2.2 nathanw */ 30 1.5.2.2 nathanw 31 1.5.2.2 nathanw /* AIMS Lab Radiotrack FM Radio Card device driver */ 32 1.5.2.2 nathanw 33 1.5.2.2 nathanw /* 34 1.5.2.2 nathanw * Sanyo LM7000 Direct PLL Frequency Synthesizer 35 1.5.2.2 nathanw */ 36 1.5.2.2 nathanw 37 1.5.2.2 nathanw #include <sys/param.h> 38 1.5.2.2 nathanw #include <sys/systm.h> 39 1.5.2.2 nathanw #include <sys/proc.h> 40 1.5.2.2 nathanw #include <sys/errno.h> 41 1.5.2.2 nathanw #include <sys/ioctl.h> 42 1.5.2.2 nathanw #include <sys/device.h> 43 1.5.2.2 nathanw #include <sys/radioio.h> 44 1.5.2.2 nathanw 45 1.5.2.2 nathanw #include <machine/bus.h> 46 1.5.2.2 nathanw 47 1.5.2.2 nathanw #include <dev/isa/isavar.h> 48 1.5.2.2 nathanw #include <dev/ic/lm700x.h> 49 1.5.2.2 nathanw #include <dev/radio_if.h> 50 1.5.2.2 nathanw 51 1.5.2.2 nathanw #define RF_25K 25 52 1.5.2.2 nathanw #define RF_50K 50 53 1.5.2.2 nathanw #define RF_100K 100 54 1.5.2.2 nathanw 55 1.5.2.2 nathanw #define MAX_VOL 5 /* XXX Find real value */ 56 1.5.2.2 nathanw #define VOLUME_RATIO(x) (255 * x / MAX_VOL) 57 1.5.2.2 nathanw 58 1.5.2.2 nathanw #define RT_BASE_VALID(x) \ 59 1.5.2.2 nathanw ((x == 0x30C) || (x == 0x20C) || (x == 0x284) || (x == 0x384)) 60 1.5.2.2 nathanw 61 1.5.2.2 nathanw #define CARD_RADIOTRACK 0x01 62 1.5.2.2 nathanw #define CARD_SF16FMI 0x02 63 1.5.2.2 nathanw #define CARD_UNKNOWN 0xFF 64 1.5.2.2 nathanw 65 1.5.2.2 nathanw #define RTRACK_CAPABILITIES RADIO_CAPS_DETECT_STEREO | \ 66 1.5.2.2 nathanw RADIO_CAPS_DETECT_SIGNAL | \ 67 1.5.2.2 nathanw RADIO_CAPS_SET_MONO | \ 68 1.5.2.2 nathanw RADIO_CAPS_REFERENCE_FREQ 69 1.5.2.2 nathanw 70 1.5.2.2 nathanw #define RT_WREN_ON (1 << 0) 71 1.5.2.2 nathanw #define RT_WREN_OFF (0 << 0) 72 1.5.2.2 nathanw 73 1.5.2.2 nathanw #define RT_CLCK_ON (1 << 1) 74 1.5.2.2 nathanw #define RT_CLCK_OFF (0 << 1) 75 1.5.2.2 nathanw 76 1.5.2.2 nathanw #define RT_DATA_ON (1 << 2) 77 1.5.2.2 nathanw #define RT_DATA_OFF (0 << 2) 78 1.5.2.2 nathanw 79 1.5.2.2 nathanw #define RT_CARD_ON (1 << 3) 80 1.5.2.2 nathanw #define RT_CARD_OFF (0 << 3) 81 1.5.2.2 nathanw 82 1.5.2.2 nathanw #define RT_SIGNAL_METER (1 << 4) 83 1.5.2.2 nathanw #define RT_SIGNAL_METER_DELAY 150000 84 1.5.2.2 nathanw 85 1.5.2.2 nathanw #define RT_VOLUME_DOWN (1 << 6) 86 1.5.2.2 nathanw #define RT_VOLUME_UP (2 << 6) 87 1.5.2.2 nathanw #define RT_VOLUME_STEADY (3 << 6) 88 1.5.2.2 nathanw #define RT_VOLUME_DELAY 100000 89 1.5.2.2 nathanw 90 1.5.2.2 nathanw int rt_probe(struct device *, struct cfdata *, void *); 91 1.5.2.2 nathanw void rt_attach(struct device *, struct device * self, void *); 92 1.5.2.2 nathanw int rt_get_info(void *, struct radio_info *); 93 1.5.2.2 nathanw int rt_set_info(void *, struct radio_info *); 94 1.5.2.2 nathanw 95 1.5.2.2 nathanw struct radio_hw_if rt_hw_if = { 96 1.5.2.2 nathanw NULL, /* open */ 97 1.5.2.2 nathanw NULL, /* close */ 98 1.5.2.2 nathanw rt_get_info, 99 1.5.2.2 nathanw rt_set_info, 100 1.5.2.2 nathanw NULL 101 1.5.2.2 nathanw }; 102 1.5.2.2 nathanw 103 1.5.2.2 nathanw struct rt_softc { 104 1.5.2.2 nathanw struct device sc_dev; 105 1.5.2.2 nathanw 106 1.5.2.2 nathanw int mute; 107 1.5.2.2 nathanw u_int8_t vol; 108 1.5.2.2 nathanw u_int8_t cardtype; 109 1.5.2.2 nathanw u_int32_t freq; 110 1.5.2.2 nathanw u_int32_t rf; 111 1.5.2.2 nathanw u_int32_t stereo; 112 1.5.2.2 nathanw 113 1.5.2.2 nathanw struct lm700x_t lm; 114 1.5.2.2 nathanw }; 115 1.5.2.2 nathanw 116 1.5.2.2 nathanw struct cfattach rt_ca = { 117 1.5.2.2 nathanw sizeof(struct rt_softc), rt_probe, rt_attach 118 1.5.2.2 nathanw }; 119 1.5.2.2 nathanw 120 1.5.2.2 nathanw int rt_find(bus_space_tag_t, bus_space_handle_t); 121 1.5.2.2 nathanw void rt_set_mute(struct rt_softc *, int); 122 1.5.2.2 nathanw void rt_set_freq(struct rt_softc *, u_int32_t); 123 1.5.2.2 nathanw u_int8_t rt_state(bus_space_tag_t, bus_space_handle_t); 124 1.5.2.2 nathanw 125 1.5.2.2 nathanw void rt_lm700x_init(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); 126 1.5.2.2 nathanw void rt_lm700x_rset(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); 127 1.5.2.2 nathanw 128 1.5.2.2 nathanw u_int8_t rt_conv_vol(u_int8_t); 129 1.5.2.2 nathanw u_int8_t rt_unconv_vol(u_int8_t); 130 1.5.2.2 nathanw 131 1.5.2.2 nathanw int 132 1.5.2.2 nathanw rt_probe(struct device *parent, struct cfdata *cf, void *aux) 133 1.5.2.2 nathanw { 134 1.5.2.2 nathanw struct isa_attach_args *ia = aux; 135 1.5.2.2 nathanw bus_space_tag_t iot = ia->ia_iot; 136 1.5.2.2 nathanw bus_space_handle_t ioh; 137 1.5.2.3 nathanw u_int r; 138 1.5.2.3 nathanw int iosize = 1, iobase; 139 1.5.2.2 nathanw 140 1.5.2.3 nathanw if (ISA_DIRECT_CONFIG(ia)) 141 1.5.2.3 nathanw return 0; 142 1.5.2.3 nathanw 143 1.5.2.3 nathanw if (ia->ia_nio < 1) 144 1.5.2.3 nathanw return (0); 145 1.5.2.3 nathanw 146 1.5.2.3 nathanw iobase = ia->ia_io[0].ir_addr; 147 1.5.2.2 nathanw 148 1.5.2.2 nathanw if (!RT_BASE_VALID(iobase)) { 149 1.5.2.2 nathanw printf("rt: configured iobase 0x%x invalid\n", iobase); 150 1.5.2.2 nathanw return 0; 151 1.5.2.2 nathanw } 152 1.5.2.2 nathanw 153 1.5.2.2 nathanw if (bus_space_map(iot, iobase, iosize, 0, &ioh)) 154 1.5.2.2 nathanw return 0; 155 1.5.2.2 nathanw 156 1.5.2.3 nathanw r = rt_find(iot, ioh); 157 1.5.2.3 nathanw 158 1.5.2.2 nathanw bus_space_unmap(iot, ioh, iosize); 159 1.5.2.2 nathanw 160 1.5.2.3 nathanw if (r != 0) { 161 1.5.2.3 nathanw ia->ia_nio = 1; 162 1.5.2.3 nathanw ia->ia_io[0].ir_size = iosize; 163 1.5.2.3 nathanw 164 1.5.2.3 nathanw ia->ia_niomem = 0; 165 1.5.2.3 nathanw ia->ia_nirq = 0; 166 1.5.2.3 nathanw ia->ia_ndrq = 0; 167 1.5.2.3 nathanw 168 1.5.2.3 nathanw return (1); 169 1.5.2.3 nathanw } 170 1.5.2.2 nathanw 171 1.5.2.3 nathanw return (0); 172 1.5.2.2 nathanw } 173 1.5.2.2 nathanw 174 1.5.2.2 nathanw void 175 1.5.2.2 nathanw rt_attach(struct device *parent, struct device *self, void *aux) 176 1.5.2.2 nathanw { 177 1.5.2.2 nathanw struct rt_softc *sc = (void *) self; 178 1.5.2.2 nathanw struct isa_attach_args *ia = aux; 179 1.5.2.2 nathanw 180 1.5.2.2 nathanw sc->lm.iot = ia->ia_iot; 181 1.5.2.2 nathanw sc->rf = LM700X_REF_050; 182 1.5.2.2 nathanw sc->stereo = LM700X_STEREO; 183 1.5.2.2 nathanw sc->mute = 0; 184 1.5.2.2 nathanw sc->freq = MIN_FM_FREQ; 185 1.5.2.2 nathanw sc->vol = 0; 186 1.5.2.2 nathanw 187 1.5.2.2 nathanw /* remap I/O */ 188 1.5.2.3 nathanw if (bus_space_map(sc->lm.iot, ia->ia_io[0].ir_addr, 189 1.5.2.3 nathanw ia->ia_io[0].ir_size, 0, &sc->lm.ioh)) 190 1.5.2.2 nathanw panic(": bus_space_map() of %s failed", sc->sc_dev.dv_xname); 191 1.5.2.2 nathanw 192 1.5.2.3 nathanw switch (ia->ia_io[0].ir_addr) { 193 1.5.2.2 nathanw case 0x20C: 194 1.5.2.2 nathanw /* FALLTHROUGH */ 195 1.5.2.2 nathanw case 0x30C: 196 1.5.2.2 nathanw sc->cardtype = CARD_RADIOTRACK; 197 1.5.2.3 nathanw printf(": AIMS Lab Radiotrack or compatible\n"); 198 1.5.2.2 nathanw break; 199 1.5.2.2 nathanw case 0x284: 200 1.5.2.2 nathanw /* FALLTHROUGH */ 201 1.5.2.2 nathanw case 0x384: 202 1.5.2.2 nathanw sc->cardtype = CARD_SF16FMI; 203 1.5.2.3 nathanw printf(": SoundForte RadioX SF16-FMI\n"); 204 1.5.2.2 nathanw break; 205 1.5.2.2 nathanw default: 206 1.5.2.2 nathanw sc->cardtype = CARD_UNKNOWN; 207 1.5.2.3 nathanw printf(": Unknown card\n"); 208 1.5.2.2 nathanw break; 209 1.5.2.2 nathanw } 210 1.5.2.2 nathanw 211 1.5.2.2 nathanw /* Configure struct lm700x_t lm */ 212 1.5.2.2 nathanw sc->lm.offset = 0; 213 1.5.2.2 nathanw sc->lm.wzcl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_OFF; 214 1.5.2.2 nathanw sc->lm.wzch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_OFF; 215 1.5.2.2 nathanw sc->lm.wocl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_ON; 216 1.5.2.2 nathanw sc->lm.woch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_ON; 217 1.5.2.2 nathanw sc->lm.initdata = 0; 218 1.5.2.2 nathanw sc->lm.rsetdata = RT_DATA_ON | RT_CLCK_ON | RT_WREN_OFF; 219 1.5.2.2 nathanw sc->lm.init = rt_lm700x_init; 220 1.5.2.2 nathanw sc->lm.rset = rt_lm700x_rset; 221 1.5.2.2 nathanw 222 1.5.2.2 nathanw rt_set_freq(sc, sc->freq); 223 1.5.2.2 nathanw 224 1.5.2.2 nathanw radio_attach_mi(&rt_hw_if, sc, &sc->sc_dev); 225 1.5.2.2 nathanw } 226 1.5.2.2 nathanw 227 1.5.2.2 nathanw /* 228 1.5.2.2 nathanw * Mute the card 229 1.5.2.2 nathanw */ 230 1.5.2.2 nathanw void 231 1.5.2.2 nathanw rt_set_mute(struct rt_softc *sc, int vol) 232 1.5.2.2 nathanw { 233 1.5.2.2 nathanw int val; 234 1.5.2.2 nathanw 235 1.5.2.2 nathanw if (sc->mute) { 236 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, 237 1.5.2.2 nathanw RT_VOLUME_DOWN | RT_CARD_ON); 238 1.5.2.2 nathanw DELAY(MAX_VOL * RT_VOLUME_DELAY); 239 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, 240 1.5.2.2 nathanw RT_VOLUME_STEADY | RT_CARD_ON); 241 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, RT_CARD_OFF); 242 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, RT_CARD_OFF); 243 1.5.2.2 nathanw } else { 244 1.5.2.2 nathanw val = sc->vol - vol; 245 1.5.2.2 nathanw if (val < 0) { 246 1.5.2.2 nathanw val *= -1; 247 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, 248 1.5.2.2 nathanw RT_VOLUME_DOWN | RT_CARD_ON); 249 1.5.2.2 nathanw } else { 250 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, 251 1.5.2.2 nathanw RT_VOLUME_UP | RT_CARD_ON); 252 1.5.2.2 nathanw } 253 1.5.2.2 nathanw DELAY(val * RT_VOLUME_DELAY); 254 1.5.2.2 nathanw bus_space_write_1(sc->lm.iot, sc->lm.ioh, 0, 255 1.5.2.2 nathanw RT_VOLUME_STEADY | RT_CARD_ON); 256 1.5.2.2 nathanw } 257 1.5.2.2 nathanw } 258 1.5.2.2 nathanw 259 1.5.2.2 nathanw void 260 1.5.2.2 nathanw rt_set_freq(struct rt_softc *sc, u_int32_t nfreq) 261 1.5.2.2 nathanw { 262 1.5.2.2 nathanw u_int32_t reg; 263 1.5.2.2 nathanw 264 1.5.2.2 nathanw if (nfreq > MAX_FM_FREQ) 265 1.5.2.2 nathanw nfreq = MAX_FM_FREQ; 266 1.5.2.2 nathanw if (nfreq < MIN_FM_FREQ) 267 1.5.2.2 nathanw nfreq = MIN_FM_FREQ; 268 1.5.2.2 nathanw 269 1.5.2.2 nathanw sc->freq = nfreq; 270 1.5.2.2 nathanw 271 1.5.2.2 nathanw reg = lm700x_encode_freq(nfreq, sc->rf); 272 1.5.2.2 nathanw reg |= sc->stereo | sc->rf | LM700X_DIVIDER_FM; 273 1.5.2.2 nathanw 274 1.5.2.2 nathanw lm700x_hardware_write(&sc->lm, reg, RT_VOLUME_STEADY); 275 1.5.2.2 nathanw 276 1.5.2.2 nathanw rt_set_mute(sc, sc->vol); 277 1.5.2.2 nathanw } 278 1.5.2.2 nathanw 279 1.5.2.2 nathanw /* 280 1.5.2.2 nathanw * Return state of the card - tuned/not tuned, mono/stereo 281 1.5.2.2 nathanw */ 282 1.5.2.2 nathanw u_int8_t 283 1.5.2.2 nathanw rt_state(bus_space_tag_t iot, bus_space_handle_t ioh) 284 1.5.2.2 nathanw { 285 1.5.2.2 nathanw u_int8_t ret; 286 1.5.2.2 nathanw 287 1.5.2.2 nathanw bus_space_write_1(iot, ioh, 0, 288 1.5.2.2 nathanw RT_VOLUME_STEADY | RT_SIGNAL_METER | RT_CARD_ON); 289 1.5.2.2 nathanw DELAY(RT_SIGNAL_METER_DELAY); 290 1.5.2.2 nathanw ret = bus_space_read_1(iot, ioh, 0); 291 1.5.2.2 nathanw 292 1.5.2.2 nathanw switch (ret) { 293 1.5.2.2 nathanw case 0xFD: 294 1.5.2.2 nathanw ret = RADIO_INFO_SIGNAL | RADIO_INFO_STEREO; 295 1.5.2.2 nathanw break; 296 1.5.2.2 nathanw case 0xFF: 297 1.5.2.2 nathanw ret = 0; 298 1.5.2.2 nathanw break; 299 1.5.2.2 nathanw default: 300 1.5.2.2 nathanw ret = RADIO_INFO_SIGNAL; 301 1.5.2.2 nathanw break; 302 1.5.2.2 nathanw } 303 1.5.2.2 nathanw 304 1.5.2.2 nathanw return ret; 305 1.5.2.2 nathanw } 306 1.5.2.2 nathanw 307 1.5.2.2 nathanw /* 308 1.5.2.2 nathanw * Convert volume to hardware representation. 309 1.5.2.2 nathanw */ 310 1.5.2.2 nathanw u_int8_t 311 1.5.2.2 nathanw rt_conv_vol(u_int8_t vol) 312 1.5.2.2 nathanw { 313 1.5.2.2 nathanw if (vol < VOLUME_RATIO(1)) 314 1.5.2.2 nathanw return 0; 315 1.5.2.2 nathanw else if (vol >= VOLUME_RATIO(1) && vol < VOLUME_RATIO(2)) 316 1.5.2.2 nathanw return 1; 317 1.5.2.2 nathanw else if (vol >= VOLUME_RATIO(2) && vol < VOLUME_RATIO(3)) 318 1.5.2.2 nathanw return 2; 319 1.5.2.2 nathanw else if (vol >= VOLUME_RATIO(3) && vol < VOLUME_RATIO(4)) 320 1.5.2.2 nathanw return 3; 321 1.5.2.2 nathanw else 322 1.5.2.2 nathanw return 4; 323 1.5.2.2 nathanw } 324 1.5.2.2 nathanw 325 1.5.2.2 nathanw /* 326 1.5.2.2 nathanw * Convert volume from hardware representation 327 1.5.2.2 nathanw */ 328 1.5.2.2 nathanw u_int8_t 329 1.5.2.2 nathanw rt_unconv_vol(u_int8_t vol) 330 1.5.2.2 nathanw { 331 1.5.2.2 nathanw return VOLUME_RATIO(vol); 332 1.5.2.2 nathanw } 333 1.5.2.2 nathanw 334 1.5.2.2 nathanw int 335 1.5.2.2 nathanw rt_find(bus_space_tag_t iot, bus_space_handle_t ioh) 336 1.5.2.2 nathanw { 337 1.5.2.2 nathanw struct rt_softc sc; 338 1.5.2.2 nathanw #if 0 339 1.5.2.2 nathanw u_int i, scanres = 0; 340 1.5.2.2 nathanw #endif 341 1.5.2.2 nathanw 342 1.5.2.2 nathanw sc.lm.iot = iot; 343 1.5.2.2 nathanw sc.lm.ioh = ioh; 344 1.5.2.2 nathanw sc.lm.offset = 0; 345 1.5.2.2 nathanw sc.lm.wzcl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_OFF; 346 1.5.2.2 nathanw sc.lm.wzch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_OFF; 347 1.5.2.2 nathanw sc.lm.wocl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_ON; 348 1.5.2.2 nathanw sc.lm.woch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_ON; 349 1.5.2.2 nathanw sc.lm.initdata = 0; 350 1.5.2.2 nathanw sc.lm.rsetdata = RT_SIGNAL_METER; 351 1.5.2.2 nathanw sc.lm.init = rt_lm700x_init; 352 1.5.2.2 nathanw sc.lm.rset = rt_lm700x_rset; 353 1.5.2.2 nathanw sc.rf = LM700X_REF_050; 354 1.5.2.2 nathanw sc.mute = 0; 355 1.5.2.2 nathanw sc.stereo = LM700X_STEREO; 356 1.5.2.2 nathanw sc.vol = 0; 357 1.5.2.2 nathanw 358 1.5.2.2 nathanw /* 359 1.5.2.2 nathanw * Scan whole FM range. If there is a card it'll 360 1.5.2.2 nathanw * respond on some frequency. 361 1.5.2.2 nathanw */ 362 1.5.2.2 nathanw return 0; 363 1.5.2.2 nathanw #if 0 364 1.5.2.2 nathanw for (i = MIN_FM_FREQ; !scanres && i < MAX_FM_FREQ; i += 10) { 365 1.5.2.2 nathanw rt_set_freq(&sc, i); 366 1.5.2.2 nathanw scanres += rt_state(iot, ioh); 367 1.5.2.2 nathanw } 368 1.5.2.2 nathanw 369 1.5.2.2 nathanw return scanres; 370 1.5.2.2 nathanw #endif 371 1.5.2.2 nathanw } 372 1.5.2.2 nathanw 373 1.5.2.2 nathanw void 374 1.5.2.2 nathanw rt_lm700x_init(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off, 375 1.5.2.2 nathanw u_int32_t data) 376 1.5.2.2 nathanw { 377 1.5.2.2 nathanw /* Do nothing */ 378 1.5.2.2 nathanw return; 379 1.5.2.2 nathanw } 380 1.5.2.2 nathanw 381 1.5.2.2 nathanw void 382 1.5.2.2 nathanw rt_lm700x_rset(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off, 383 1.5.2.2 nathanw u_int32_t data) 384 1.5.2.2 nathanw { 385 1.5.2.2 nathanw DELAY(1000); 386 1.5.2.2 nathanw bus_space_write_1(iot, ioh, off, RT_CARD_OFF | data); 387 1.5.2.2 nathanw DELAY(50000); 388 1.5.2.2 nathanw bus_space_write_1(iot, ioh, off, RT_VOLUME_STEADY | RT_CARD_ON | data); 389 1.5.2.2 nathanw } 390 1.5.2.2 nathanw 391 1.5.2.2 nathanw int 392 1.5.2.2 nathanw rt_set_info(void *v, struct radio_info *ri) 393 1.5.2.2 nathanw { 394 1.5.2.2 nathanw struct rt_softc *sc = v; 395 1.5.2.2 nathanw 396 1.5.2.2 nathanw sc->mute = ri->mute ? 1 : 0; 397 1.5.2.2 nathanw sc->vol = rt_conv_vol(ri->volume); 398 1.5.2.2 nathanw sc->stereo = ri->stereo ? LM700X_STEREO : LM700X_MONO; 399 1.5.2.2 nathanw sc->rf = lm700x_encode_ref(ri->rfreq); 400 1.5.2.2 nathanw 401 1.5.2.2 nathanw rt_set_freq(sc, ri->freq); 402 1.5.2.2 nathanw rt_set_mute(sc, sc->vol); 403 1.5.2.2 nathanw 404 1.5.2.2 nathanw return (0); 405 1.5.2.2 nathanw } 406 1.5.2.2 nathanw 407 1.5.2.2 nathanw int 408 1.5.2.2 nathanw rt_get_info(void *v, struct radio_info *ri) 409 1.5.2.2 nathanw { 410 1.5.2.2 nathanw struct rt_softc *sc = v; 411 1.5.2.2 nathanw 412 1.5.2.2 nathanw ri->mute = sc->mute; 413 1.5.2.2 nathanw ri->volume = rt_unconv_vol(sc->vol); 414 1.5.2.2 nathanw ri->stereo = sc->stereo == LM700X_STEREO ? 0 : 1; 415 1.5.2.2 nathanw ri->caps = RTRACK_CAPABILITIES; 416 1.5.2.2 nathanw ri->rfreq = lm700x_decode_ref(sc->rf); 417 1.5.2.2 nathanw ri->info = 3 & rt_state(sc->lm.iot, sc->lm.ioh); 418 1.5.2.2 nathanw ri->freq = sc->freq; 419 1.5.2.2 nathanw 420 1.5.2.2 nathanw /* UNSUPPORTED */ 421 1.5.2.2 nathanw ri->lock = 0; 422 1.5.2.2 nathanw 423 1.5.2.2 nathanw return (0); 424 1.5.2.2 nathanw } 425
Indexes created Sun Nov 02 07:10:05 GMT 2025