audioamd.c revision 1.6.2.2
1 1.6.2.2 bouyer /* $NetBSD: audioamd.c,v 1.6.2.2 2000/11/20 20:25:30 bouyer Exp $ */ 2 1.6.2.2 bouyer /* NetBSD: am7930_sparc.c,v 1.44 1999/03/14 22:29:00 jonathan Exp */ 3 1.6.2.2 bouyer 4 1.6.2.2 bouyer /* 5 1.6.2.2 bouyer * Copyright (c) 1995 Rolf Grossmann 6 1.6.2.2 bouyer * All rights reserved. 7 1.6.2.2 bouyer * 8 1.6.2.2 bouyer * Redistribution and use in source and binary forms, with or without 9 1.6.2.2 bouyer * modification, are permitted provided that the following conditions 10 1.6.2.2 bouyer * are met: 11 1.6.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 12 1.6.2.2 bouyer * notice, this list of conditions and the following disclaimer. 13 1.6.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 14 1.6.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 15 1.6.2.2 bouyer * documentation and/or other materials provided with the distribution. 16 1.6.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 17 1.6.2.2 bouyer * must display the following acknowledgement: 18 1.6.2.2 bouyer * This product includes software developed by Rolf Grossmann. 19 1.6.2.2 bouyer * 4. The name of the author may not be used to endorse or promote products 20 1.6.2.2 bouyer * derived from this software without specific prior written permission 21 1.6.2.2 bouyer * 22 1.6.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.6.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.6.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.6.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.6.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.6.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.6.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.6.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.6.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.6.2.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.6.2.2 bouyer */ 33 1.6.2.2 bouyer 34 1.6.2.2 bouyer #include "audio.h" 35 1.6.2.2 bouyer #if NAUDIO > 0 36 1.6.2.2 bouyer 37 1.6.2.2 bouyer #include <sys/param.h> 38 1.6.2.2 bouyer #include <sys/systm.h> 39 1.6.2.2 bouyer #include <sys/errno.h> 40 1.6.2.2 bouyer #include <sys/device.h> 41 1.6.2.2 bouyer 42 1.6.2.2 bouyer #include <machine/bus.h> 43 1.6.2.2 bouyer #include <machine/intr.h> 44 1.6.2.2 bouyer #include <machine/autoconf.h> 45 1.6.2.2 bouyer 46 1.6.2.2 bouyer #include <sys/audioio.h> 47 1.6.2.2 bouyer #include <dev/audio_if.h> 48 1.6.2.2 bouyer 49 1.6.2.2 bouyer #include <dev/ic/am7930reg.h> 50 1.6.2.2 bouyer #include <dev/ic/am7930var.h> 51 1.6.2.2 bouyer #include <sparc/dev/audioamdvar.h> 52 1.6.2.2 bouyer 53 1.6.2.2 bouyer #define AUDIO_ROM_NAME "audio" 54 1.6.2.2 bouyer 55 1.6.2.2 bouyer #ifdef AUDIO_DEBUG 56 1.6.2.2 bouyer #define DPRINTF(x) if (am7930debug) printf x 57 1.6.2.2 bouyer #define DPRINTFN(n,x) if (am7930debug>(n)) printf x 58 1.6.2.2 bouyer #else 59 1.6.2.2 bouyer #define DPRINTF(x) 60 1.6.2.2 bouyer #define DPRINTFN(n,x) 61 1.6.2.2 bouyer #endif /* AUDIO_DEBUG */ 62 1.6.2.2 bouyer 63 1.6.2.2 bouyer 64 1.6.2.2 bouyer /* interrupt interfaces */ 65 1.6.2.2 bouyer #ifdef AUDIO_C_HANDLER 66 1.6.2.2 bouyer int am7930hwintr __P((void *)); 67 1.6.2.2 bouyer #if defined(SUN4M) 68 1.6.2.2 bouyer #define AUDIO_SET_SWINTR do { \ 69 1.6.2.2 bouyer if (CPU_ISSUN4M) \ 70 1.6.2.2 bouyer raise(0, 4); \ 71 1.6.2.2 bouyer else \ 72 1.6.2.2 bouyer ienab_bis(IE_L4); \ 73 1.6.2.2 bouyer } while(0); 74 1.6.2.2 bouyer #else 75 1.6.2.2 bouyer #define AUDIO_SET_SWINTR ienab_bis(IE_L4) 76 1.6.2.2 bouyer #endif /* defined(SUN4M) */ 77 1.6.2.2 bouyer #else 78 1.6.2.2 bouyer struct auio *auiop; 79 1.6.2.2 bouyer #endif /* AUDIO_C_HANDLER */ 80 1.6.2.2 bouyer int am7930swintr __P((void *)); 81 1.6.2.2 bouyer 82 1.6.2.2 bouyer /* 83 1.6.2.2 bouyer * interrupt-handler status 84 1.6.2.2 bouyer */ 85 1.6.2.2 bouyer struct am7930_intrhand { 86 1.6.2.2 bouyer int (*ih_fun) __P((void *)); 87 1.6.2.2 bouyer void *ih_arg; 88 1.6.2.2 bouyer }; 89 1.6.2.2 bouyer 90 1.6.2.2 bouyer struct audioamd_softc { 91 1.6.2.2 bouyer struct am7930_softc sc_am7930; /* glue to MI code */ 92 1.6.2.2 bouyer 93 1.6.2.2 bouyer bus_space_tag_t sc_bt; /* bus cookie */ 94 1.6.2.2 bouyer bus_space_handle_t sc_bh; /* device registers */ 95 1.6.2.2 bouyer 96 1.6.2.2 bouyer struct am7930_intrhand sc_ih; /* interrupt vector (hw or sw) */ 97 1.6.2.2 bouyer void (*sc_rintr)(void*); /* input completion intr handler */ 98 1.6.2.2 bouyer void *sc_rarg; /* arg for sc_rintr() */ 99 1.6.2.2 bouyer void (*sc_pintr)(void*); /* output completion intr handler */ 100 1.6.2.2 bouyer void *sc_parg; /* arg for sc_pintr() */ 101 1.6.2.2 bouyer 102 1.6.2.2 bouyer /* sc_au is special in that the hardware interrupt handler uses it */ 103 1.6.2.2 bouyer struct auio sc_au; /* recv and xmit buffers, etc */ 104 1.6.2.2 bouyer #define sc_intrcnt sc_au.au_intrcnt /* statistics */ 105 1.6.2.2 bouyer }; 106 1.6.2.2 bouyer 107 1.6.2.2 bouyer void audioamd_mainbus_attach __P((struct device *, 108 1.6.2.2 bouyer struct device *, void *)); 109 1.6.2.2 bouyer int audioamd_mainbus_match __P((struct device *, struct cfdata *, void *)); 110 1.6.2.2 bouyer void audioamd_sbus_attach __P((struct device *, struct device *, void *)); 111 1.6.2.2 bouyer int audioamd_sbus_match __P((struct device *, struct cfdata *, void *)); 112 1.6.2.2 bouyer void audioamd_attach(struct audioamd_softc *sc, int); 113 1.6.2.2 bouyer 114 1.6.2.2 bouyer struct cfattach audioamd_mainbus_ca = { 115 1.6.2.2 bouyer sizeof(struct audioamd_softc), 116 1.6.2.2 bouyer audioamd_mainbus_match, 117 1.6.2.2 bouyer audioamd_mainbus_attach 118 1.6.2.2 bouyer }; 119 1.6.2.2 bouyer 120 1.6.2.2 bouyer struct cfattach audioamd_sbus_ca = { 121 1.6.2.2 bouyer sizeof(struct audioamd_softc), 122 1.6.2.2 bouyer audioamd_sbus_match, 123 1.6.2.2 bouyer audioamd_sbus_attach 124 1.6.2.2 bouyer }; 125 1.6.2.2 bouyer 126 1.6.2.2 bouyer /* 127 1.6.2.2 bouyer * Define our interface into the am7930 MI driver. 128 1.6.2.2 bouyer */ 129 1.6.2.2 bouyer 130 1.6.2.2 bouyer u_int8_t audioamd_codec_iread __P((struct am7930_softc *, int)); 131 1.6.2.2 bouyer u_int16_t audioamd_codec_iread16 __P((struct am7930_softc *, int)); 132 1.6.2.2 bouyer u_int8_t audioamd_codec_dread __P((struct audioamd_softc *, int)); 133 1.6.2.2 bouyer void audioamd_codec_iwrite __P((struct am7930_softc *, int, u_int8_t)); 134 1.6.2.2 bouyer void audioamd_codec_iwrite16 __P((struct am7930_softc *, int, u_int16_t)); 135 1.6.2.2 bouyer void audioamd_codec_dwrite __P((struct audioamd_softc *, int, u_int8_t)); 136 1.6.2.2 bouyer void audioamd_onopen __P((struct am7930_softc *sc)); 137 1.6.2.2 bouyer void audioamd_onclose __P((struct am7930_softc *sc)); 138 1.6.2.2 bouyer 139 1.6.2.2 bouyer struct am7930_glue audioamd_glue = { 140 1.6.2.2 bouyer audioamd_codec_iread, 141 1.6.2.2 bouyer audioamd_codec_iwrite, 142 1.6.2.2 bouyer audioamd_codec_iread16, 143 1.6.2.2 bouyer audioamd_codec_iwrite16, 144 1.6.2.2 bouyer audioamd_onopen, 145 1.6.2.2 bouyer audioamd_onclose, 146 1.6.2.2 bouyer 0, 147 1.6.2.2 bouyer 0, 148 1.6.2.2 bouyer 0, 149 1.6.2.2 bouyer }; 150 1.6.2.2 bouyer 151 1.6.2.2 bouyer /* 152 1.6.2.2 bouyer * Define our interface to the higher level audio driver. 153 1.6.2.2 bouyer */ 154 1.6.2.2 bouyer int audioamd_start_output __P((void *, void *, int, void (*)(void *), 155 1.6.2.2 bouyer void *)); 156 1.6.2.2 bouyer int audioamd_start_input __P((void *, void *, int, void (*)(void *), 157 1.6.2.2 bouyer void *)); 158 1.6.2.2 bouyer int audioamd_getdev __P((void *, struct audio_device *)); 159 1.6.2.2 bouyer 160 1.6.2.2 bouyer struct audio_hw_if sa_hw_if = { 161 1.6.2.2 bouyer am7930_open, 162 1.6.2.2 bouyer am7930_close, 163 1.6.2.2 bouyer 0, 164 1.6.2.2 bouyer am7930_query_encoding, 165 1.6.2.2 bouyer am7930_set_params, 166 1.6.2.2 bouyer am7930_round_blocksize, 167 1.6.2.2 bouyer am7930_commit_settings, 168 1.6.2.2 bouyer 0, 169 1.6.2.2 bouyer 0, 170 1.6.2.2 bouyer audioamd_start_output, /* md */ 171 1.6.2.2 bouyer audioamd_start_input, /* md */ 172 1.6.2.2 bouyer am7930_halt_output, 173 1.6.2.2 bouyer am7930_halt_input, 174 1.6.2.2 bouyer 0, 175 1.6.2.2 bouyer audioamd_getdev, 176 1.6.2.2 bouyer 0, 177 1.6.2.2 bouyer am7930_set_port, 178 1.6.2.2 bouyer am7930_get_port, 179 1.6.2.2 bouyer am7930_query_devinfo, 180 1.6.2.2 bouyer 0, 181 1.6.2.2 bouyer 0, 182 1.6.2.2 bouyer 0, 183 1.6.2.2 bouyer 0, 184 1.6.2.2 bouyer am7930_get_props, 185 1.6.2.2 bouyer }; 186 1.6.2.2 bouyer 187 1.6.2.2 bouyer struct audio_device audioamd_device = { 188 1.6.2.2 bouyer "am7930", 189 1.6.2.2 bouyer "x", 190 1.6.2.2 bouyer "audioamd" 191 1.6.2.2 bouyer }; 192 1.6.2.2 bouyer 193 1.6.2.2 bouyer 194 1.6.2.2 bouyer int 195 1.6.2.2 bouyer audioamd_mainbus_match(parent, cf, aux) 196 1.6.2.2 bouyer struct device *parent; 197 1.6.2.2 bouyer struct cfdata *cf; 198 1.6.2.2 bouyer void *aux; 199 1.6.2.2 bouyer { 200 1.6.2.2 bouyer struct mainbus_attach_args *ma = aux; 201 1.6.2.2 bouyer 202 1.6.2.2 bouyer if (CPU_ISSUN4) 203 1.6.2.2 bouyer return (0); 204 1.6.2.2 bouyer return (strcmp(AUDIO_ROM_NAME, ma->ma_name) == 0); 205 1.6.2.2 bouyer } 206 1.6.2.2 bouyer 207 1.6.2.2 bouyer int 208 1.6.2.2 bouyer audioamd_sbus_match(parent, cf, aux) 209 1.6.2.2 bouyer struct device *parent; 210 1.6.2.2 bouyer struct cfdata *cf; 211 1.6.2.2 bouyer void *aux; 212 1.6.2.2 bouyer { 213 1.6.2.2 bouyer struct sbus_attach_args *sa = aux; 214 1.6.2.2 bouyer 215 1.6.2.2 bouyer return (strcmp(AUDIO_ROM_NAME, sa->sa_name) == 0); 216 1.6.2.2 bouyer } 217 1.6.2.2 bouyer 218 1.6.2.2 bouyer void 219 1.6.2.2 bouyer audioamd_mainbus_attach(parent, self, aux) 220 1.6.2.2 bouyer struct device *parent, *self; 221 1.6.2.2 bouyer void *aux; 222 1.6.2.2 bouyer { 223 1.6.2.2 bouyer struct mainbus_attach_args *ma = aux; 224 1.6.2.2 bouyer struct audioamd_softc *sc = (struct audioamd_softc *)self; 225 1.6.2.2 bouyer bus_space_handle_t bh; 226 1.6.2.2 bouyer 227 1.6.2.2 bouyer sc->sc_bt = ma->ma_bustag; 228 1.6.2.2 bouyer 229 1.6.2.2 bouyer if (bus_space_map2( 230 1.6.2.2 bouyer ma->ma_bustag, 231 1.6.2.2 bouyer ma->ma_iospace, 232 1.6.2.2 bouyer ma->ma_paddr, 233 1.6.2.2 bouyer AM7930_DREG_SIZE, 234 1.6.2.2 bouyer BUS_SPACE_MAP_LINEAR, 235 1.6.2.2 bouyer 0, 236 1.6.2.2 bouyer &bh) != 0) { 237 1.6.2.2 bouyer printf("%s: cannot map registers\n", self->dv_xname); 238 1.6.2.2 bouyer return; 239 1.6.2.2 bouyer } 240 1.6.2.2 bouyer sc->sc_bh = bh; 241 1.6.2.2 bouyer audioamd_attach(sc, ma->ma_pri); 242 1.6.2.2 bouyer } 243 1.6.2.2 bouyer 244 1.6.2.2 bouyer 245 1.6.2.2 bouyer void 246 1.6.2.2 bouyer audioamd_sbus_attach(parent, self, aux) 247 1.6.2.2 bouyer struct device *parent, *self; 248 1.6.2.2 bouyer void *aux; 249 1.6.2.2 bouyer { 250 1.6.2.2 bouyer struct sbus_attach_args *sa = aux; 251 1.6.2.2 bouyer struct audioamd_softc *sc = (struct audioamd_softc *)self; 252 1.6.2.2 bouyer bus_space_handle_t bh; 253 1.6.2.2 bouyer 254 1.6.2.2 bouyer sc->sc_bt = sa->sa_bustag; 255 1.6.2.2 bouyer 256 1.6.2.2 bouyer if (sbus_bus_map( 257 1.6.2.2 bouyer sa->sa_bustag, 258 1.6.2.2 bouyer sa->sa_slot, 259 1.6.2.2 bouyer sa->sa_offset, 260 1.6.2.2 bouyer AM7930_DREG_SIZE, 261 1.6.2.2 bouyer 0, 0, 262 1.6.2.2 bouyer &bh) != 0) { 263 1.6.2.2 bouyer printf("%s: cannot map registers\n", self->dv_xname); 264 1.6.2.2 bouyer return; 265 1.6.2.2 bouyer } 266 1.6.2.2 bouyer sc->sc_bh = bh; 267 1.6.2.2 bouyer audioamd_attach(sc, sa->sa_pri); 268 1.6.2.2 bouyer } 269 1.6.2.2 bouyer 270 1.6.2.2 bouyer void 271 1.6.2.2 bouyer audioamd_attach(sc, pri) 272 1.6.2.2 bouyer struct audioamd_softc *sc; 273 1.6.2.2 bouyer int pri; 274 1.6.2.2 bouyer { 275 1.6.2.2 bouyer 276 1.6.2.2 bouyer printf(" softpri %d\n", PIL_AUSOFT); 277 1.6.2.2 bouyer 278 1.6.2.2 bouyer /* 279 1.6.2.2 bouyer * Set up glue for MI code early; we use some of it here. 280 1.6.2.2 bouyer */ 281 1.6.2.2 bouyer sc->sc_am7930.sc_glue = &audioamd_glue; 282 1.6.2.2 bouyer 283 1.6.2.2 bouyer am7930_init(&sc->sc_am7930, AUDIOAMD_POLL_MODE); 284 1.6.2.2 bouyer 285 1.6.2.2 bouyer #ifndef AUDIO_C_HANDLER 286 1.6.2.2 bouyer auiop = &sc->sc_au; 287 1.6.2.2 bouyer (void)bus_intr_establish(sc->sc_bt, pri, IPL_AUDIO, 288 1.6.2.2 bouyer BUS_INTR_ESTABLISH_FASTTRAP, 289 1.6.2.2 bouyer (int (*) __P((void *)))amd7930_trap, NULL); 290 1.6.2.2 bouyer #else 291 1.6.2.2 bouyer (void)bus_intr_establish(sc->sc_bt, pri, IPL_AUDIO, 0, 292 1.6.2.2 bouyer am7930hwintr, sc); 293 1.6.2.2 bouyer #endif 294 1.6.2.2 bouyer (void)bus_intr_establish(sc->sc_bt, PIL_AUSOFT, IPL_AUDIO, 295 1.6.2.2 bouyer BUS_INTR_ESTABLISH_SOFTINTR, 296 1.6.2.2 bouyer am7930swintr, sc); 297 1.6.2.2 bouyer 298 1.6.2.2 bouyer evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 299 1.6.2.2 bouyer sc->sc_am7930.sc_dev.dv_xname, "intr"); 300 1.6.2.2 bouyer 301 1.6.2.2 bouyer audio_attach_mi(&sa_hw_if, sc, &sc->sc_am7930.sc_dev); 302 1.6.2.2 bouyer } 303 1.6.2.2 bouyer 304 1.6.2.2 bouyer 305 1.6.2.2 bouyer void 306 1.6.2.2 bouyer audioamd_onopen(sc) 307 1.6.2.2 bouyer struct am7930_softc *sc; 308 1.6.2.2 bouyer { 309 1.6.2.2 bouyer struct audioamd_softc *mdsc = (struct audioamd_softc *)sc; 310 1.6.2.2 bouyer 311 1.6.2.2 bouyer /* reset pdma state */ 312 1.6.2.2 bouyer mdsc->sc_rintr = 0; 313 1.6.2.2 bouyer mdsc->sc_rarg = 0; 314 1.6.2.2 bouyer mdsc->sc_pintr = 0; 315 1.6.2.2 bouyer mdsc->sc_parg = 0; 316 1.6.2.2 bouyer 317 1.6.2.2 bouyer mdsc->sc_au.au_rdata = 0; 318 1.6.2.2 bouyer mdsc->sc_au.au_pdata = 0; 319 1.6.2.2 bouyer } 320 1.6.2.2 bouyer 321 1.6.2.2 bouyer 322 1.6.2.2 bouyer void 323 1.6.2.2 bouyer audioamd_onclose(sc) 324 1.6.2.2 bouyer struct am7930_softc *sc; 325 1.6.2.2 bouyer { 326 1.6.2.2 bouyer /* On sparc, just do the chipset-level halt. */ 327 1.6.2.2 bouyer am7930_halt_input(sc); 328 1.6.2.2 bouyer am7930_halt_output(sc); 329 1.6.2.2 bouyer } 330 1.6.2.2 bouyer 331 1.6.2.2 bouyer int 332 1.6.2.2 bouyer audioamd_start_output(addr, p, cc, intr, arg) 333 1.6.2.2 bouyer void *addr; 334 1.6.2.2 bouyer void *p; 335 1.6.2.2 bouyer int cc; 336 1.6.2.2 bouyer void (*intr) __P((void *)); 337 1.6.2.2 bouyer void *arg; 338 1.6.2.2 bouyer { 339 1.6.2.2 bouyer struct audioamd_softc *sc = addr; 340 1.6.2.2 bouyer 341 1.6.2.2 bouyer DPRINTFN(1, ("sa_start_output: cc=%d %p (%p)\n", cc, intr, arg)); 342 1.6.2.2 bouyer 343 1.6.2.2 bouyer if (!sc->sc_am7930.sc_locked) { 344 1.6.2.2 bouyer audioamd_codec_iwrite(&sc->sc_am7930, 345 1.6.2.2 bouyer AM7930_IREG_INIT, AM7930_INIT_PMS_ACTIVE); 346 1.6.2.2 bouyer sc->sc_am7930.sc_locked = 1; 347 1.6.2.2 bouyer DPRINTF(("sa_start_output: started intrs.\n")); 348 1.6.2.2 bouyer } 349 1.6.2.2 bouyer sc->sc_pintr = intr; 350 1.6.2.2 bouyer sc->sc_parg = arg; 351 1.6.2.2 bouyer #ifndef AUDIO_C_HANDLER 352 1.6.2.2 bouyer sc->sc_au.au_bt = sc->sc_bt; 353 1.6.2.2 bouyer sc->sc_au.au_bh = sc->sc_bh; 354 1.6.2.2 bouyer #endif 355 1.6.2.2 bouyer sc->sc_au.au_pdata = p; 356 1.6.2.2 bouyer sc->sc_au.au_pend = (char *)p + cc - 1; 357 1.6.2.2 bouyer return(0); 358 1.6.2.2 bouyer } 359 1.6.2.2 bouyer 360 1.6.2.2 bouyer int 361 1.6.2.2 bouyer audioamd_start_input(addr, p, cc, intr, arg) 362 1.6.2.2 bouyer void *addr; 363 1.6.2.2 bouyer void *p; 364 1.6.2.2 bouyer int cc; 365 1.6.2.2 bouyer void (*intr) __P((void *)); 366 1.6.2.2 bouyer void *arg; 367 1.6.2.2 bouyer { 368 1.6.2.2 bouyer struct audioamd_softc *sc = addr; 369 1.6.2.2 bouyer 370 1.6.2.2 bouyer DPRINTFN(1, ("sa_start_input: cc=%d %p (%p)\n", cc, intr, arg)); 371 1.6.2.2 bouyer 372 1.6.2.2 bouyer if (!sc->sc_am7930.sc_locked) { 373 1.6.2.2 bouyer audioamd_codec_iwrite(&sc->sc_am7930, 374 1.6.2.2 bouyer AM7930_IREG_INIT, AM7930_INIT_PMS_ACTIVE); 375 1.6.2.2 bouyer sc->sc_am7930.sc_locked = 1; 376 1.6.2.2 bouyer DPRINTF(("sa_start_input: started intrs.\n")); 377 1.6.2.2 bouyer } 378 1.6.2.2 bouyer sc->sc_rintr = intr; 379 1.6.2.2 bouyer sc->sc_rarg = arg; 380 1.6.2.2 bouyer #ifndef AUDIO_C_HANDLER 381 1.6.2.2 bouyer sc->sc_au.au_bt = sc->sc_bt; 382 1.6.2.2 bouyer sc->sc_au.au_bh = sc->sc_bh; 383 1.6.2.2 bouyer #endif 384 1.6.2.2 bouyer sc->sc_au.au_rdata = p; 385 1.6.2.2 bouyer sc->sc_au.au_rend = (char *)p + cc -1; 386 1.6.2.2 bouyer return(0); 387 1.6.2.2 bouyer } 388 1.6.2.2 bouyer 389 1.6.2.2 bouyer 390 1.6.2.2 bouyer /* 391 1.6.2.2 bouyer * Pseudo-DMA support: either C or locore assember. 392 1.6.2.2 bouyer */ 393 1.6.2.2 bouyer 394 1.6.2.2 bouyer #ifdef AUDIO_C_HANDLER 395 1.6.2.2 bouyer int 396 1.6.2.2 bouyer am7930hwintr(sc) 397 1.6.2.2 bouyer struct audioamd_softc *au0; 398 1.6.2.2 bouyer { 399 1.6.2.2 bouyer struct auio *au = &sc->sc_au; 400 1.6.2.2 bouyer u_int8_t *d, *e; 401 1.6.2.2 bouyer int k; 402 1.6.2.2 bouyer 403 1.6.2.2 bouyer /* clear interrupt */ 404 1.6.2.2 bouyer k = audioamd_codec_dread(sc, AM7930_DREG_IR); 405 1.6.2.2 bouyer 406 1.6.2.2 bouyer /* receive incoming data */ 407 1.6.2.2 bouyer d = au->au_rdata; 408 1.6.2.2 bouyer e = au->au_rend; 409 1.6.2.2 bouyer if (d && d <= e) { 410 1.6.2.2 bouyer *d = audioamd_codec_dread(sc, AM7930_DREG_BBRB); 411 1.6.2.2 bouyer au->au_rdata++; 412 1.6.2.2 bouyer if (d == e) { 413 1.6.2.2 bouyer DPRINTFN(1, ("am7930hwintr: swintr(r) requested")); 414 1.6.2.2 bouyer AUDIO_SET_SWINTR; 415 1.6.2.2 bouyer } 416 1.6.2.2 bouyer } 417 1.6.2.2 bouyer 418 1.6.2.2 bouyer /* send outgoing data */ 419 1.6.2.2 bouyer d = au->au_pdata; 420 1.6.2.2 bouyer e = au->au_pend; 421 1.6.2.2 bouyer if (d && d <= e) { 422 1.6.2.2 bouyer audioamd_codec_dwrite(sc, AM7930_DREG_BBTB, *d); 423 1.6.2.2 bouyer au->au_pdata++; 424 1.6.2.2 bouyer if (d == e) { 425 1.6.2.2 bouyer DPRINTFN(1, ("am7930hwintr: swintr(p) requested")); 426 1.6.2.2 bouyer AUDIO_SET_SWINTR; 427 1.6.2.2 bouyer } 428 1.6.2.2 bouyer } 429 1.6.2.2 bouyer 430 1.6.2.2 bouyer *(au->au_intrcnt)++; 431 1.6.2.2 bouyer return (1); 432 1.6.2.2 bouyer } 433 1.6.2.2 bouyer #endif /* AUDIO_C_HANDLER */ 434 1.6.2.2 bouyer 435 1.6.2.2 bouyer int 436 1.6.2.2 bouyer am7930swintr(sc0) 437 1.6.2.2 bouyer void *sc0; 438 1.6.2.2 bouyer { 439 1.6.2.2 bouyer struct audioamd_softc *sc = sc0; 440 1.6.2.2 bouyer struct auio *au; 441 1.6.2.2 bouyer int s, ret = 0; 442 1.6.2.2 bouyer 443 1.6.2.2 bouyer DPRINTFN(1, ("audiointr: sc=%p\n", sc);); 444 1.6.2.2 bouyer 445 1.6.2.2 bouyer au = &sc->sc_au; 446 1.6.2.2 bouyer s = splaudio(); 447 1.6.2.2 bouyer if (au->au_rdata > au->au_rend && sc->sc_rintr != NULL) { 448 1.6.2.2 bouyer splx(s); 449 1.6.2.2 bouyer ret = 1; 450 1.6.2.2 bouyer (*sc->sc_rintr)(sc->sc_rarg); 451 1.6.2.2 bouyer s = splaudio(); 452 1.6.2.2 bouyer } 453 1.6.2.2 bouyer if (au->au_pdata > au->au_pend && sc->sc_pintr != NULL) { 454 1.6.2.2 bouyer splx(s); 455 1.6.2.2 bouyer ret = 1; 456 1.6.2.2 bouyer (*sc->sc_pintr)(sc->sc_parg); 457 1.6.2.2 bouyer } else 458 1.6.2.2 bouyer splx(s); 459 1.6.2.2 bouyer return (ret); 460 1.6.2.2 bouyer } 461 1.6.2.2 bouyer 462 1.6.2.2 bouyer 463 1.6.2.2 bouyer /* indirect write */ 464 1.6.2.2 bouyer void 465 1.6.2.2 bouyer audioamd_codec_iwrite(sc, reg, val) 466 1.6.2.2 bouyer struct am7930_softc *sc; 467 1.6.2.2 bouyer int reg; 468 1.6.2.2 bouyer u_int8_t val; 469 1.6.2.2 bouyer { 470 1.6.2.2 bouyer struct audioamd_softc *mdsc = (struct audioamd_softc *)sc; 471 1.6.2.2 bouyer 472 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg); 473 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val); 474 1.6.2.2 bouyer } 475 1.6.2.2 bouyer 476 1.6.2.2 bouyer void 477 1.6.2.2 bouyer audioamd_codec_iwrite16(sc, reg, val) 478 1.6.2.2 bouyer struct am7930_softc *sc; 479 1.6.2.2 bouyer int reg; 480 1.6.2.2 bouyer u_int16_t val; 481 1.6.2.2 bouyer { 482 1.6.2.2 bouyer struct audioamd_softc *mdsc = (struct audioamd_softc *)sc; 483 1.6.2.2 bouyer 484 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg); 485 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val); 486 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_DR, val>>8); 487 1.6.2.2 bouyer } 488 1.6.2.2 bouyer 489 1.6.2.2 bouyer 490 1.6.2.2 bouyer /* indirect read */ 491 1.6.2.2 bouyer u_int8_t 492 1.6.2.2 bouyer audioamd_codec_iread(sc, reg) 493 1.6.2.2 bouyer struct am7930_softc *sc; 494 1.6.2.2 bouyer int reg; 495 1.6.2.2 bouyer { 496 1.6.2.2 bouyer struct audioamd_softc *mdsc = (struct audioamd_softc *)sc; 497 1.6.2.2 bouyer 498 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg); 499 1.6.2.2 bouyer return (audioamd_codec_dread(mdsc, AM7930_DREG_DR)); 500 1.6.2.2 bouyer } 501 1.6.2.2 bouyer 502 1.6.2.2 bouyer u_int16_t 503 1.6.2.2 bouyer audioamd_codec_iread16(sc, reg) 504 1.6.2.2 bouyer struct am7930_softc *sc; 505 1.6.2.2 bouyer int reg; 506 1.6.2.2 bouyer { 507 1.6.2.2 bouyer struct audioamd_softc *mdsc = (struct audioamd_softc *)sc; 508 1.6.2.2 bouyer u_int8_t lo, hi; 509 1.6.2.2 bouyer 510 1.6.2.2 bouyer audioamd_codec_dwrite(mdsc, AM7930_DREG_CR, reg); 511 1.6.2.2 bouyer lo = audioamd_codec_dread(mdsc, AM7930_DREG_DR); 512 1.6.2.2 bouyer hi = audioamd_codec_dread(mdsc, AM7930_DREG_DR); 513 1.6.2.2 bouyer return ((hi << 8) | lo); 514 1.6.2.2 bouyer } 515 1.6.2.2 bouyer 516 1.6.2.2 bouyer /* direct read */ 517 1.6.2.2 bouyer u_int8_t 518 1.6.2.2 bouyer audioamd_codec_dread(sc, reg) 519 1.6.2.2 bouyer struct audioamd_softc *sc; 520 1.6.2.2 bouyer int reg; 521 1.6.2.2 bouyer { 522 1.6.2.2 bouyer return (bus_space_read_1(sc->sc_bt, sc->sc_bh, reg)); 523 1.6.2.2 bouyer } 524 1.6.2.2 bouyer 525 1.6.2.2 bouyer /* direct write */ 526 1.6.2.2 bouyer void 527 1.6.2.2 bouyer audioamd_codec_dwrite(sc, reg, val) 528 1.6.2.2 bouyer struct audioamd_softc *sc; 529 1.6.2.2 bouyer int reg; 530 1.6.2.2 bouyer u_int8_t val; 531 1.6.2.2 bouyer { 532 1.6.2.2 bouyer bus_space_write_1(sc->sc_bt, sc->sc_bh, reg, val); 533 1.6.2.2 bouyer } 534 1.6.2.2 bouyer 535 1.6.2.2 bouyer int 536 1.6.2.2 bouyer audioamd_getdev(addr, retp) 537 1.6.2.2 bouyer void *addr; 538 1.6.2.2 bouyer struct audio_device *retp; 539 1.6.2.2 bouyer { 540 1.6.2.2 bouyer 541 1.6.2.2 bouyer *retp = audioamd_device; 542 1.6.2.2 bouyer return (0); 543 1.6.2.2 bouyer } 544 1.6.2.2 bouyer 545 1.6.2.2 bouyer #endif /* NAUDIO > 0 */ 546
Indexes created Tue Sep 30 20:09:53 GMT 2025