cs428x.c revision 1.2.2.2
1 1.2.2.2 he /* $NetBSD: cs428x.c,v 1.2.2.2 2001/05/06 15:11:14 he Exp $ */ 2 1.2.2.2 he 3 1.2.2.2 he /* 4 1.2.2.2 he * Copyright (c) 2000 Tatoku Ogaito. All rights reserved. 5 1.2.2.2 he * 6 1.2.2.2 he * Redistribution and use in source and binary forms, with or without 7 1.2.2.2 he * modification, are permitted provided that the following conditions 8 1.2.2.2 he * are met: 9 1.2.2.2 he * 1. Redistributions of source code must retain the above copyright 10 1.2.2.2 he * notice, this list of conditions and the following disclaimer. 11 1.2.2.2 he * 2. Redistributions in binary form must reproduce the above copyright 12 1.2.2.2 he * notice, this list of conditions and the following disclaimer in the 13 1.2.2.2 he * documentation and/or other materials provided with the distribution. 14 1.2.2.2 he * 3. All advertising materials mentioning features or use of this software 15 1.2.2.2 he * must display the following acknowledgement: 16 1.2.2.2 he * This product includes software developed by Tatoku Ogaito 17 1.2.2.2 he * for the NetBSD Project. 18 1.2.2.2 he * 4. The name of the author may not be used to endorse or promote products 19 1.2.2.2 he * derived from this software without specific prior written permission 20 1.2.2.2 he * 21 1.2.2.2 he * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.2.2.2 he * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.2.2.2 he * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.2.2.2 he * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.2.2.2 he * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.2.2.2 he * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.2.2.2 he * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.2.2.2 he * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.2.2.2 he * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.2.2.2 he * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.2.2.2 he */ 32 1.2.2.2 he 33 1.2.2.2 he /* Common functions for CS4280 and CS4281 */ 34 1.2.2.2 he 35 1.2.2.2 he #include <sys/param.h> 36 1.2.2.2 he #include <sys/systm.h> 37 1.2.2.2 he #include <sys/types.h> 38 1.2.2.2 he #include <sys/kernel.h> 39 1.2.2.2 he #include <sys/malloc.h> 40 1.2.2.2 he #include <sys/device.h> 41 1.2.2.2 he 42 1.2.2.2 he #include <dev/pci/pcidevs.h> 43 1.2.2.2 he #include <dev/pci/pcivar.h> 44 1.2.2.2 he 45 1.2.2.2 he #include <sys/audioio.h> 46 1.2.2.2 he #include <dev/audio_if.h> 47 1.2.2.2 he #include <dev/midi_if.h> 48 1.2.2.2 he #include <dev/mulaw.h> 49 1.2.2.2 he #include <dev/auconv.h> 50 1.2.2.2 he 51 1.2.2.2 he #include <dev/ic/ac97reg.h> 52 1.2.2.2 he #include <dev/ic/ac97var.h> 53 1.2.2.2 he 54 1.2.2.2 he #include <machine/bus.h> 55 1.2.2.2 he 56 1.2.2.2 he #include <dev/pci/cs428xreg.h> 57 1.2.2.2 he #include <dev/pci/cs428x.h> 58 1.2.2.2 he 59 1.2.2.2 he #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG) 60 1.2.2.2 he int cs428x_debug = 0; 61 1.2.2.2 he #endif 62 1.2.2.2 he 63 1.2.2.2 he int 64 1.2.2.2 he cs428x_open(void *addr, int flags) 65 1.2.2.2 he { 66 1.2.2.2 he return 0; 67 1.2.2.2 he } 68 1.2.2.2 he 69 1.2.2.2 he void 70 1.2.2.2 he cs428x_close(void *addr) 71 1.2.2.2 he { 72 1.2.2.2 he struct cs428x_softc *sc; 73 1.2.2.2 he 74 1.2.2.2 he sc = addr; 75 1.2.2.2 he 76 1.2.2.2 he (*sc->halt_output)(sc); 77 1.2.2.2 he (*sc->halt_input)(sc); 78 1.2.2.2 he 79 1.2.2.2 he sc->sc_pintr = 0; 80 1.2.2.2 he sc->sc_rintr = 0; 81 1.2.2.2 he } 82 1.2.2.2 he 83 1.2.2.2 he int 84 1.2.2.2 he cs428x_round_blocksize(void *addr, int blk) 85 1.2.2.2 he { 86 1.2.2.2 he struct cs428x_softc *sc; 87 1.2.2.2 he int retval; 88 1.2.2.2 he 89 1.2.2.2 he DPRINTFN(5,("cs428x_round_blocksize blk=%d -> ", blk)); 90 1.2.2.2 he 91 1.2.2.2 he sc = addr; 92 1.2.2.2 he if (blk < sc->hw_blocksize) 93 1.2.2.2 he retval = sc->hw_blocksize; 94 1.2.2.2 he else 95 1.2.2.2 he retval = blk & -(sc->hw_blocksize); 96 1.2.2.2 he 97 1.2.2.2 he DPRINTFN(5,("%d\n", retval)); 98 1.2.2.2 he 99 1.2.2.2 he return retval; 100 1.2.2.2 he } 101 1.2.2.2 he 102 1.2.2.2 he int 103 1.2.2.2 he cs428x_mixer_set_port(void *addr, mixer_ctrl_t *cp) 104 1.2.2.2 he { 105 1.2.2.2 he struct cs428x_softc *sc; 106 1.2.2.2 he int val; 107 1.2.2.2 he 108 1.2.2.2 he sc = addr; 109 1.2.2.2 he val = sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 110 1.2.2.2 he DPRINTFN(3,("mixer_set_port: val=%d\n", val)); 111 1.2.2.2 he return (val); 112 1.2.2.2 he } 113 1.2.2.2 he 114 1.2.2.2 he int 115 1.2.2.2 he cs428x_mixer_get_port(void *addr, mixer_ctrl_t *cp) 116 1.2.2.2 he { 117 1.2.2.2 he struct cs428x_softc *sc; 118 1.2.2.2 he 119 1.2.2.2 he sc = addr; 120 1.2.2.2 he return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 121 1.2.2.2 he } 122 1.2.2.2 he 123 1.2.2.2 he int 124 1.2.2.2 he cs428x_query_devinfo(void *addr, mixer_devinfo_t *dip) 125 1.2.2.2 he { 126 1.2.2.2 he struct cs428x_softc *sc; 127 1.2.2.2 he 128 1.2.2.2 he sc = addr; 129 1.2.2.2 he return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 130 1.2.2.2 he } 131 1.2.2.2 he 132 1.2.2.2 he void * 133 1.2.2.2 he cs428x_malloc(void *addr, int direction, size_t size, int pool, int flags) 134 1.2.2.2 he { 135 1.2.2.2 he struct cs428x_softc *sc; 136 1.2.2.2 he struct cs428x_dma *p; 137 1.2.2.2 he int error; 138 1.2.2.2 he 139 1.2.2.2 he sc = addr; 140 1.2.2.2 he 141 1.2.2.2 he p = malloc(sizeof(*p), pool, flags); 142 1.2.2.2 he if (p == NULL) 143 1.2.2.2 he return 0; 144 1.2.2.2 he 145 1.2.2.2 he error = cs428x_allocmem(sc, size, pool, flags, p); 146 1.2.2.2 he 147 1.2.2.2 he if (error) { 148 1.2.2.2 he free(p, pool); 149 1.2.2.2 he return 0; 150 1.2.2.2 he } 151 1.2.2.2 he 152 1.2.2.2 he p->next = sc->sc_dmas; 153 1.2.2.2 he sc->sc_dmas = p; 154 1.2.2.2 he return BUFADDR(p); 155 1.2.2.2 he } 156 1.2.2.2 he 157 1.2.2.2 he void 158 1.2.2.2 he cs428x_free(void *addr, void *ptr, int pool) 159 1.2.2.2 he { 160 1.2.2.2 he struct cs428x_softc *sc; 161 1.2.2.2 he struct cs428x_dma **pp, *p; 162 1.2.2.2 he 163 1.2.2.2 he sc = addr; 164 1.2.2.2 he for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) { 165 1.2.2.2 he if (BUFADDR(p) == ptr) { 166 1.2.2.2 he bus_dmamap_unload(sc->sc_dmatag, p->map); 167 1.2.2.2 he bus_dmamap_destroy(sc->sc_dmatag, p->map); 168 1.2.2.2 he bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); 169 1.2.2.2 he bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); 170 1.2.2.2 he free(p->dum, pool); 171 1.2.2.2 he *pp = p->next; 172 1.2.2.2 he free(p, pool); 173 1.2.2.2 he return; 174 1.2.2.2 he } 175 1.2.2.2 he } 176 1.2.2.2 he } 177 1.2.2.2 he 178 1.2.2.2 he size_t 179 1.2.2.2 he cs428x_round_buffersize(void *addr, int direction, size_t size) 180 1.2.2.2 he { 181 1.2.2.2 he /* The real dma buffersize are 4KB for CS4280 182 1.2.2.2 he * and 64kB/MAX_CHANNELS for CS4281. 183 1.2.2.2 he * But they are too small for high quality audio, 184 1.2.2.2 he * let the upper layer(audio) use a larger buffer. 185 1.2.2.2 he * (originally suggested by Lennart Augustsson.) 186 1.2.2.2 he */ 187 1.2.2.2 he return size; 188 1.2.2.2 he } 189 1.2.2.2 he 190 1.2.2.2 he paddr_t 191 1.2.2.2 he cs428x_mappage(void *addr, void *mem, off_t off, int prot) 192 1.2.2.2 he { 193 1.2.2.2 he struct cs428x_softc *sc; 194 1.2.2.2 he struct cs428x_dma *p; 195 1.2.2.2 he 196 1.2.2.2 he sc = addr; 197 1.2.2.2 he 198 1.2.2.2 he if (off < 0) 199 1.2.2.2 he return -1; 200 1.2.2.2 he 201 1.2.2.2 he for (p = sc->sc_dmas; p && BUFADDR(p) != mem; p = p->next) 202 1.2.2.2 he ; 203 1.2.2.2 he 204 1.2.2.2 he if (p == NULL) { 205 1.2.2.2 he DPRINTF(("cs428x_mappage: bad buffer address\n")); 206 1.2.2.2 he return -1; 207 1.2.2.2 he } 208 1.2.2.2 he 209 1.2.2.2 he return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs, 210 1.2.2.2 he off, prot, BUS_DMA_WAITOK)); 211 1.2.2.2 he } 212 1.2.2.2 he 213 1.2.2.2 he int 214 1.2.2.2 he cs428x_get_props(void *addr) 215 1.2.2.2 he { 216 1.2.2.2 he int retval; 217 1.2.2.2 he 218 1.2.2.2 he retval = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 219 1.2.2.2 he #ifdef MMAP_READY 220 1.2.2.2 he /* How can I mmap ? */ 221 1.2.2.2 he retval |= AUDIO_PROP_MMAP; 222 1.2.2.2 he #endif 223 1.2.2.2 he return retval; 224 1.2.2.2 he } 225 1.2.2.2 he 226 1.2.2.2 he /* AC97 */ 227 1.2.2.2 he int 228 1.2.2.2 he cs428x_attach_codec(void *addr, struct ac97_codec_if *codec_if) 229 1.2.2.2 he { 230 1.2.2.2 he struct cs428x_softc *sc; 231 1.2.2.2 he 232 1.2.2.2 he DPRINTF(("cs428x_attach_codec:\n")); 233 1.2.2.2 he sc = addr; 234 1.2.2.2 he sc->codec_if = codec_if; 235 1.2.2.2 he return 0; 236 1.2.2.2 he } 237 1.2.2.2 he 238 1.2.2.2 he int 239 1.2.2.2 he cs428x_read_codec(void *addr, u_int8_t ac97_addr, u_int16_t *ac97_data) 240 1.2.2.2 he { 241 1.2.2.2 he struct cs428x_softc *sc; 242 1.2.2.2 he u_int32_t acctl; 243 1.2.2.2 he int n; 244 1.2.2.2 he 245 1.2.2.2 he sc = addr; 246 1.2.2.2 he 247 1.2.2.2 he DPRINTFN(5,("read_codec: add=0x%02x ", ac97_addr)); 248 1.2.2.2 he /* 249 1.2.2.2 he * Make sure that there is not data sitting around from a preivous 250 1.2.2.2 he * uncompleted access. 251 1.2.2.2 he */ 252 1.2.2.2 he BA0READ4(sc, CS428X_ACSDA); 253 1.2.2.2 he 254 1.2.2.2 he /* Set up AC97 control registers. */ 255 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCAD, ac97_addr); 256 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCDA, 0); 257 1.2.2.2 he 258 1.2.2.2 he acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_CRW | ACCTL_DCV; 259 1.2.2.2 he if (sc->type == TYPE_CS4280) 260 1.2.2.2 he acctl |= ACCTL_RSTN; 261 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCTL, acctl); 262 1.2.2.2 he 263 1.2.2.2 he if (cs428x_src_wait(sc) < 0) { 264 1.2.2.2 he printf("%s: AC97 read prob. (DCV!=0) for add=0x%0x\n", 265 1.2.2.2 he sc->sc_dev.dv_xname, ac97_addr); 266 1.2.2.2 he return 1; 267 1.2.2.2 he } 268 1.2.2.2 he 269 1.2.2.2 he /* wait for valid status bit is active */ 270 1.2.2.2 he n = 0; 271 1.2.2.2 he while ((BA0READ4(sc, CS428X_ACSTS) & ACSTS_VSTS) == 0) { 272 1.2.2.2 he delay(1); 273 1.2.2.2 he while (++n > 1000) { 274 1.2.2.2 he printf("%s: AC97 read fail (VSTS==0) for add=0x%0x\n", 275 1.2.2.2 he sc->sc_dev.dv_xname, ac97_addr); 276 1.2.2.2 he return 1; 277 1.2.2.2 he } 278 1.2.2.2 he } 279 1.2.2.2 he *ac97_data = BA0READ4(sc, CS428X_ACSDA); 280 1.2.2.2 he DPRINTFN(5,("data=0x%04x\n", *ac97_data)); 281 1.2.2.2 he return 0; 282 1.2.2.2 he } 283 1.2.2.2 he 284 1.2.2.2 he int 285 1.2.2.2 he cs428x_write_codec(void *addr, u_int8_t ac97_addr, u_int16_t ac97_data) 286 1.2.2.2 he { 287 1.2.2.2 he struct cs428x_softc *sc; 288 1.2.2.2 he u_int32_t acctl; 289 1.2.2.2 he 290 1.2.2.2 he sc = addr; 291 1.2.2.2 he 292 1.2.2.2 he DPRINTFN(5,("write_codec: add=0x%02x data=0x%04x\n", ac97_addr, ac97_data)); 293 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCAD, ac97_addr); 294 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCDA, ac97_data); 295 1.2.2.2 he 296 1.2.2.2 he acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_DCV; 297 1.2.2.2 he if (sc->type == TYPE_CS4280) 298 1.2.2.2 he acctl |= ACCTL_RSTN; 299 1.2.2.2 he BA0WRITE4(sc, CS428X_ACCTL, acctl); 300 1.2.2.2 he 301 1.2.2.2 he if (cs428x_src_wait(sc) < 0) { 302 1.2.2.2 he printf("%s: AC97 write fail (DCV!=0) for add=0x%02x data=" 303 1.2.2.2 he "0x%04x\n", sc->sc_dev.dv_xname, ac97_addr, ac97_data); 304 1.2.2.2 he return 1; 305 1.2.2.2 he } 306 1.2.2.2 he return 0; 307 1.2.2.2 he } 308 1.2.2.2 he 309 1.2.2.2 he /* Internal functions */ 310 1.2.2.2 he int 311 1.2.2.2 he cs428x_allocmem(struct cs428x_softc *sc, 312 1.2.2.2 he size_t size, int pool, int flags, 313 1.2.2.2 he struct cs428x_dma *p) 314 1.2.2.2 he { 315 1.2.2.2 he int error; 316 1.2.2.2 he size_t align; 317 1.2.2.2 he 318 1.2.2.2 he align = sc->dma_align; 319 1.2.2.2 he p->size = sc->dma_size; 320 1.2.2.2 he /* allocate memory for upper audio driver */ 321 1.2.2.2 he p->dum = malloc(size, pool, flags); 322 1.2.2.2 he if (p->dum == NULL) 323 1.2.2.2 he return 1; 324 1.2.2.2 he 325 1.2.2.2 he error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0, 326 1.2.2.2 he p->segs, sizeof(p->segs)/sizeof(p->segs[0]), 327 1.2.2.2 he &p->nsegs, BUS_DMA_NOWAIT); 328 1.2.2.2 he if (error) { 329 1.2.2.2 he printf("%s: unable to allocate dma. error=%d\n", 330 1.2.2.2 he sc->sc_dev.dv_xname, error); 331 1.2.2.2 he goto allfree; 332 1.2.2.2 he } 333 1.2.2.2 he 334 1.2.2.2 he error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size, 335 1.2.2.2 he &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 336 1.2.2.2 he if (error) { 337 1.2.2.2 he printf("%s: unable to map dma, error=%d\n", 338 1.2.2.2 he sc->sc_dev.dv_xname, error); 339 1.2.2.2 he goto free; 340 1.2.2.2 he } 341 1.2.2.2 he 342 1.2.2.2 he error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size, 343 1.2.2.2 he 0, BUS_DMA_NOWAIT, &p->map); 344 1.2.2.2 he if (error) { 345 1.2.2.2 he printf("%s: unable to create dma map, error=%d\n", 346 1.2.2.2 he sc->sc_dev.dv_xname, error); 347 1.2.2.2 he goto unmap; 348 1.2.2.2 he } 349 1.2.2.2 he 350 1.2.2.2 he error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL, 351 1.2.2.2 he BUS_DMA_NOWAIT); 352 1.2.2.2 he if (error) { 353 1.2.2.2 he printf("%s: unable to load dma map, error=%d\n", 354 1.2.2.2 he sc->sc_dev.dv_xname, error); 355 1.2.2.2 he goto destroy; 356 1.2.2.2 he } 357 1.2.2.2 he return 0; 358 1.2.2.2 he 359 1.2.2.2 he destroy: 360 1.2.2.2 he bus_dmamap_destroy(sc->sc_dmatag, p->map); 361 1.2.2.2 he unmap: 362 1.2.2.2 he bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); 363 1.2.2.2 he free: 364 1.2.2.2 he bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); 365 1.2.2.2 he allfree: 366 1.2.2.2 he free(p->dum, pool); 367 1.2.2.2 he 368 1.2.2.2 he return error; 369 1.2.2.2 he } 370 1.2.2.2 he 371 1.2.2.2 he int 372 1.2.2.2 he cs428x_src_wait(sc) 373 1.2.2.2 he struct cs428x_softc *sc; 374 1.2.2.2 he { 375 1.2.2.2 he int n; 376 1.2.2.2 he 377 1.2.2.2 he n = 0; 378 1.2.2.2 he while ((BA0READ4(sc, CS428X_ACCTL) & ACCTL_DCV)) { 379 1.2.2.2 he delay(1000); 380 1.2.2.2 he while (++n > 1000) { 381 1.2.2.2 he printf("cs428x_src_wait: 0x%08x\n", 382 1.2.2.2 he BA0READ4(sc, CS428X_ACCTL)); 383 1.2.2.2 he return -1; 384 1.2.2.2 he } 385 1.2.2.2 he } 386 1.2.2.2 he return 0; 387 1.2.2.2 he } 388
Indexes created Wed Oct 01 19:09:53 GMT 2025