1 /* $NetBSD: cs428x.c,v 1.20 2019/06/08 08:02:38 isaki Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Tatoku Ogaito. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tatoku Ogaito 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* Common functions for CS4280 and CS4281 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: cs428x.c,v 1.20 2019/06/08 08:02:38 isaki Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/kmem.h> 42 #include <sys/device.h> 43 #include <sys/audioio.h> 44 #include <sys/bus.h> 45 46 #include <dev/audio/audio_if.h> 47 #include <dev/midi_if.h> 48 49 #include <dev/ic/ac97reg.h> 50 #include <dev/ic/ac97var.h> 51 52 #include <dev/pci/pcidevs.h> 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/cs428xreg.h> 55 #include <dev/pci/cs428x.h> 56 57 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG) 58 int cs428x_debug = 0; 59 #endif 60 61 int 62 cs428x_round_blocksize(void *addr, int blk, 63 int mode, const audio_params_t *param) 64 { 65 struct cs428x_softc *sc; 66 int retval; 67 68 DPRINTFN(5,("cs428x_round_blocksize blk=%d -> ", blk)); 69 70 sc = addr; 71 if (blk < sc->hw_blocksize) 72 retval = sc->hw_blocksize; 73 else 74 retval = blk & -(sc->hw_blocksize); 75 76 DPRINTFN(5,("%d\n", retval)); 77 78 return retval; 79 } 80 81 int 82 cs428x_mixer_set_port(void *addr, mixer_ctrl_t *cp) 83 { 84 struct cs428x_softc *sc; 85 int val; 86 87 sc = addr; 88 val = sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 89 DPRINTFN(3,("mixer_set_port: val=%d\n", val)); 90 return (val); 91 } 92 93 int 94 cs428x_mixer_get_port(void *addr, mixer_ctrl_t *cp) 95 { 96 struct cs428x_softc *sc; 97 98 sc = addr; 99 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 100 } 101 102 int 103 cs428x_query_devinfo(void *addr, mixer_devinfo_t *dip) 104 { 105 struct cs428x_softc *sc; 106 107 sc = addr; 108 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 109 } 110 111 void * 112 cs428x_malloc(void *addr, int direction, size_t size) 113 { 114 struct cs428x_softc *sc; 115 struct cs428x_dma *p; 116 int error; 117 118 sc = addr; 119 120 p = kmem_alloc(sizeof(*p), KM_SLEEP); 121 error = cs428x_allocmem(sc, size, p); 122 if (error) { 123 kmem_free(p, sizeof(*p)); 124 return 0; 125 } 126 127 p->next = sc->sc_dmas; 128 sc->sc_dmas = p; 129 return BUFADDR(p); 130 } 131 132 void 133 cs428x_free(void *addr, void *ptr, size_t size) 134 { 135 struct cs428x_softc *sc; 136 struct cs428x_dma **pp, *p; 137 138 sc = addr; 139 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) { 140 if (BUFADDR(p) == ptr) { 141 bus_dmamap_unload(sc->sc_dmatag, p->map); 142 bus_dmamap_destroy(sc->sc_dmatag, p->map); 143 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); 144 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); 145 kmem_free(p->dum, p->size); 146 *pp = p->next; 147 kmem_free(p, sizeof(*p)); 148 return; 149 } 150 } 151 } 152 153 size_t 154 cs428x_round_buffersize(void *addr, int direction, 155 size_t size) 156 { 157 /* The real DMA buffersize are 4KB for CS4280 158 * and 64kB/MAX_CHANNELS for CS4281. 159 * But they are too small for high quality audio, 160 * let the upper layer(audio) use a larger buffer. 161 * (originally suggested by Lennart Augustsson.) 162 */ 163 return size; 164 } 165 166 int 167 cs428x_get_props(void *addr) 168 { 169 170 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 171 AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 172 } 173 174 /* AC97 */ 175 int 176 cs428x_attach_codec(void *addr, struct ac97_codec_if *codec_if) 177 { 178 struct cs428x_softc *sc; 179 180 DPRINTF(("cs428x_attach_codec:\n")); 181 sc = addr; 182 sc->codec_if = codec_if; 183 return 0; 184 } 185 186 int 187 cs428x_read_codec(void *addr, uint8_t ac97_addr, uint16_t *ac97_data) 188 { 189 struct cs428x_softc *sc; 190 uint32_t acctl; 191 int n; 192 193 sc = addr; 194 195 DPRINTFN(5,("read_codec: add=0x%02x ", ac97_addr)); 196 /* 197 * Make sure that there is not data sitting around from a previous 198 * uncompleted access. 199 */ 200 BA0READ4(sc, CS428X_ACSDA); 201 202 /* Set up AC97 control registers. */ 203 BA0WRITE4(sc, CS428X_ACCAD, ac97_addr); 204 BA0WRITE4(sc, CS428X_ACCDA, 0); 205 206 acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_CRW | ACCTL_DCV; 207 if (sc->type == TYPE_CS4280) 208 acctl |= ACCTL_RSTN; 209 BA0WRITE4(sc, CS428X_ACCTL, acctl); 210 211 if (cs428x_src_wait(sc) < 0) { 212 printf("%s: AC97 read prob. (DCV!=0) for add=0x%0x\n", 213 device_xname(sc->sc_dev), ac97_addr); 214 return 1; 215 } 216 217 /* wait for valid status bit is active */ 218 n = 0; 219 while ((BA0READ4(sc, CS428X_ACSTS) & ACSTS_VSTS) == 0) { 220 delay(1); 221 while (++n > 1000) { 222 printf("%s: AC97 read fail (VSTS==0) for add=0x%0x\n", 223 device_xname(sc->sc_dev), ac97_addr); 224 return 1; 225 } 226 } 227 *ac97_data = BA0READ4(sc, CS428X_ACSDA); 228 DPRINTFN(5,("data=0x%04x\n", *ac97_data)); 229 return 0; 230 } 231 232 int 233 cs428x_write_codec(void *addr, uint8_t ac97_addr, uint16_t ac97_data) 234 { 235 struct cs428x_softc *sc; 236 uint32_t acctl; 237 238 sc = addr; 239 240 DPRINTFN(5,("write_codec: add=0x%02x data=0x%04x\n", ac97_addr, ac97_data)); 241 BA0WRITE4(sc, CS428X_ACCAD, ac97_addr); 242 BA0WRITE4(sc, CS428X_ACCDA, ac97_data); 243 244 acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_DCV; 245 if (sc->type == TYPE_CS4280) 246 acctl |= ACCTL_RSTN; 247 BA0WRITE4(sc, CS428X_ACCTL, acctl); 248 249 if (cs428x_src_wait(sc) < 0) { 250 printf("%s: AC97 write fail (DCV!=0) for add=0x%02x data=" 251 "0x%04x\n", device_xname(sc->sc_dev), ac97_addr, ac97_data); 252 return 1; 253 } 254 return 0; 255 } 256 257 /* Internal functions */ 258 int 259 cs428x_allocmem(struct cs428x_softc *sc, size_t size, struct cs428x_dma *p) 260 { 261 int error; 262 size_t align; 263 264 align = sc->dma_align; 265 p->size = sc->dma_size; 266 /* allocate memory for upper audio driver */ 267 p->dum = kmem_alloc(size, KM_SLEEP); 268 269 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0, 270 p->segs, sizeof(p->segs)/sizeof(p->segs[0]), 271 &p->nsegs, BUS_DMA_WAITOK); 272 if (error) { 273 aprint_error_dev(sc->sc_dev, "unable to allocate DMA. error=%d\n", 274 error); 275 goto allfree; 276 } 277 278 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size, 279 &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT); 280 if (error) { 281 aprint_error_dev(sc->sc_dev, "unable to map DMA, error=%d\n", 282 error); 283 goto free; 284 } 285 286 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size, 287 0, BUS_DMA_WAITOK, &p->map); 288 if (error) { 289 aprint_error_dev(sc->sc_dev, "unable to create DMA map, error=%d\n", 290 error); 291 goto unmap; 292 } 293 294 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL, 295 BUS_DMA_WAITOK); 296 if (error) { 297 aprint_error_dev(sc->sc_dev, "unable to load DMA map, error=%d\n", 298 error); 299 goto destroy; 300 } 301 return 0; 302 303 destroy: 304 bus_dmamap_destroy(sc->sc_dmatag, p->map); 305 unmap: 306 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); 307 free: 308 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); 309 allfree: 310 kmem_free(p->dum, size); 311 312 return error; 313 } 314 315 int 316 cs428x_src_wait(struct cs428x_softc *sc) 317 { 318 int n; 319 320 n = 0; 321 while ((BA0READ4(sc, CS428X_ACCTL) & ACCTL_DCV)) { 322 delay(1000); 323 while (++n > 1000) { 324 printf("cs428x_src_wait: 0x%08x\n", 325 BA0READ4(sc, CS428X_ACCTL)); 326 return -1; 327 } 328 } 329 return 0; 330 } 331 332 void 333 cs428x_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 334 { 335 struct cs428x_softc *sc; 336 337 sc = addr; 338 *intr = &sc->sc_intr_lock; 339 *thread = &sc->sc_lock; 340 } 341
Indexes created Tue Sep 23 13:09:54 GMT 2025