Annotation of sys/arch/sparc/dev/amd7930.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: amd7930.c,v 1.30 2005/08/14 10:58:33 miod Exp $ */
! 2: /* $NetBSD: amd7930.c,v 1.37 1998/03/30 14:23:40 pk Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995 Rolf Grossmann
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by Rolf Grossmann.
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/systm.h>
! 36: #include <sys/errno.h>
! 37: #include <sys/ioctl.h>
! 38: #include <sys/device.h>
! 39: #include <sys/proc.h>
! 40:
! 41: #include <machine/autoconf.h>
! 42: #include <machine/cpu.h>
! 43:
! 44: #include <sys/audioio.h>
! 45: #include <dev/audio_if.h>
! 46:
! 47: #include <dev/ic/am7930reg.h>
! 48: #include <sparc/dev/amd7930var.h>
! 49:
! 50: #define AUDIO_ROM_NAME "audio"
! 51:
! 52: #ifdef AUDIO_DEBUG
! 53: int amd7930debug = 0;
! 54: #define DPRINTF(x) if (amd7930debug) printf x
! 55: #else
! 56: #define DPRINTF(x)
! 57: #endif
! 58:
! 59: /*
! 60: * Define AUDIO_C_HANDLER to force using non-fast trap routines.
! 61: */
! 62: /* #define AUDIO_C_HANDLER */
! 63:
! 64: /*
! 65: * Software state, per AMD79C30 audio chip.
! 66: */
! 67: struct amd7930_softc {
! 68: struct device sc_dev; /* base device */
! 69: struct intrhand sc_swih; /* software interrupt vector */
! 70:
! 71: int sc_open; /* single use device */
! 72: int sc_locked; /* true when transferring data */
! 73: struct mapreg sc_map; /* current contents of map registers */
! 74:
! 75: u_char sc_rlevel; /* record level */
! 76: u_char sc_plevel; /* play level */
! 77: u_char sc_mlevel; /* monitor level */
! 78: u_char sc_out_port; /* output port */
! 79:
! 80: /* interfacing with the interrupt handlers */
! 81: void (*sc_rintr)(void *); /* input completion intr handler */
! 82: void *sc_rarg; /* arg for sc_rintr() */
! 83: void (*sc_pintr)(void *); /* output completion intr handler */
! 84: void *sc_parg; /* arg for sc_pintr() */
! 85:
! 86: /* sc_au is special in that the hardware interrupt handler uses it */
! 87: struct auio sc_au; /* recv and xmit buffers, etc */
! 88: #define sc_hwih sc_au.au_ih /* hardware interrupt vector */
! 89: };
! 90:
! 91: /* interrupt interfaces */
! 92: #if defined(SUN4M)
! 93: #define AUDIO_SET_SWINTR do { \
! 94: if (CPU_ISSUN4M) \
! 95: raise(0, 4); \
! 96: else \
! 97: ienab_bis(IE_L4); \
! 98: } while(0);
! 99: #else
! 100: #define AUDIO_SET_SWINTR ienab_bis(IE_L4)
! 101: #endif /* defined(SUN4M) */
! 102:
! 103: #ifndef AUDIO_C_HANDLER
! 104: struct auio *auiop;
! 105: #endif /* AUDIO_C_HANDLER */
! 106: int amd7930hwintr(void *);
! 107: int amd7930swintr(void *);
! 108:
! 109: /* forward declarations */
! 110: void audio_setmap(volatile struct amd7930 *, struct mapreg *);
! 111: static void init_amd(volatile struct amd7930 *);
! 112: int amd7930_shareintr(void *);
! 113:
! 114: /* autoconfiguration driver */
! 115: void amd7930attach(struct device *, struct device *, void *);
! 116: int amd7930match(struct device *, void *, void *);
! 117:
! 118: struct cfattach audioamd_ca = {
! 119: sizeof(struct amd7930_softc), amd7930match, amd7930attach
! 120: };
! 121:
! 122: struct cfdriver audioamd_cd = {
! 123: NULL, "audioamd", DV_DULL
! 124: };
! 125:
! 126: struct audio_device amd7930_device = {
! 127: "amd7930",
! 128: "x",
! 129: "audioamd"
! 130: };
! 131:
! 132: /* Write 16 bits of data from variable v to the data port of the audio chip */
! 133: #define WAMD16(amd, v) ((amd)->dr = (v), (amd)->dr = (v) >> 8)
! 134:
! 135: /* The following tables stolen from former (4.4Lite's) sys/sparc/bsd_audio.c */
! 136:
! 137: /*
! 138: * gx, gr & stg gains. this table must contain 256 elements with
! 139: * the 0th being "infinity" (the magic value 9008). The remaining
! 140: * elements match sun's gain curve (but with higher resolution):
! 141: * -18 to 0dB in .16dB steps then 0 to 12dB in .08dB steps.
! 142: */
! 143: static const u_short gx_coeff[256] = {
! 144: 0x9008, 0x8e7c, 0x8e51, 0x8e45, 0x8d42, 0x8d3b, 0x8c36, 0x8c33,
! 145: 0x8b32, 0x8b2a, 0x8b2b, 0x8b2c, 0x8b25, 0x8b23, 0x8b22, 0x8b22,
! 146: 0x9122, 0x8b1a, 0x8aa3, 0x8aa3, 0x8b1c, 0x8aa6, 0x912d, 0x912b,
! 147: 0x8aab, 0x8b12, 0x8aaa, 0x8ab2, 0x9132, 0x8ab4, 0x913c, 0x8abb,
! 148: 0x9142, 0x9144, 0x9151, 0x8ad5, 0x8aeb, 0x8a79, 0x8a5a, 0x8a4a,
! 149: 0x8b03, 0x91c2, 0x91bb, 0x8a3f, 0x8a33, 0x91b2, 0x9212, 0x9213,
! 150: 0x8a2c, 0x921d, 0x8a23, 0x921a, 0x9222, 0x9223, 0x922d, 0x9231,
! 151: 0x9234, 0x9242, 0x925b, 0x92dd, 0x92c1, 0x92b3, 0x92ab, 0x92a4,
! 152: 0x92a2, 0x932b, 0x9341, 0x93d3, 0x93b2, 0x93a2, 0x943c, 0x94b2,
! 153: 0x953a, 0x9653, 0x9782, 0x9e21, 0x9d23, 0x9cd2, 0x9c23, 0x9baa,
! 154: 0x9bde, 0x9b33, 0x9b22, 0x9b1d, 0x9ab2, 0xa142, 0xa1e5, 0x9a3b,
! 155: 0xa213, 0xa1a2, 0xa231, 0xa2eb, 0xa313, 0xa334, 0xa421, 0xa54b,
! 156: 0xada4, 0xac23, 0xab3b, 0xaaab, 0xaa5c, 0xb1a3, 0xb2ca, 0xb3bd,
! 157: 0xbe24, 0xbb2b, 0xba33, 0xc32b, 0xcb5a, 0xd2a2, 0xe31d, 0x0808,
! 158: 0x72ba, 0x62c2, 0x5c32, 0x52db, 0x513e, 0x4cce, 0x43b2, 0x4243,
! 159: 0x41b4, 0x3b12, 0x3bc3, 0x3df2, 0x34bd, 0x3334, 0x32c2, 0x3224,
! 160: 0x31aa, 0x2a7b, 0x2aaa, 0x2b23, 0x2bba, 0x2c42, 0x2e23, 0x25bb,
! 161: 0x242b, 0x240f, 0x231a, 0x22bb, 0x2241, 0x2223, 0x221f, 0x1a33,
! 162: 0x1a4a, 0x1acd, 0x2132, 0x1b1b, 0x1b2c, 0x1b62, 0x1c12, 0x1c32,
! 163: 0x1d1b, 0x1e71, 0x16b1, 0x1522, 0x1434, 0x1412, 0x1352, 0x1323,
! 164: 0x1315, 0x12bc, 0x127a, 0x1235, 0x1226, 0x11a2, 0x1216, 0x0a2a,
! 165: 0x11bc, 0x11d1, 0x1163, 0x0ac2, 0x0ab2, 0x0aab, 0x0b1b, 0x0b23,
! 166: 0x0b33, 0x0c0f, 0x0bb3, 0x0c1b, 0x0c3e, 0x0cb1, 0x0d4c, 0x0ec1,
! 167: 0x079a, 0x0614, 0x0521, 0x047c, 0x0422, 0x03b1, 0x03e3, 0x0333,
! 168: 0x0322, 0x031c, 0x02aa, 0x02ba, 0x02f2, 0x0242, 0x0232, 0x0227,
! 169: 0x0222, 0x021b, 0x01ad, 0x0212, 0x01b2, 0x01bb, 0x01cb, 0x01f6,
! 170: 0x0152, 0x013a, 0x0133, 0x0131, 0x012c, 0x0123, 0x0122, 0x00a2,
! 171: 0x011b, 0x011e, 0x0114, 0x00b1, 0x00aa, 0x00b3, 0x00bd, 0x00ba,
! 172: 0x00c5, 0x00d3, 0x00f3, 0x0062, 0x0051, 0x0042, 0x003b, 0x0033,
! 173: 0x0032, 0x002a, 0x002c, 0x0025, 0x0023, 0x0022, 0x001a, 0x0021,
! 174: 0x001b, 0x001b, 0x001d, 0x0015, 0x0013, 0x0013, 0x0012, 0x0012,
! 175: 0x000a, 0x000a, 0x0011, 0x0011, 0x000b, 0x000b, 0x000c, 0x000e,
! 176: };
! 177:
! 178: /*
! 179: * second stage play gain.
! 180: */
! 181: static const u_short ger_coeff[] = {
! 182: 0x431f, /* 5. dB */
! 183: 0x331f, /* 5.5 dB */
! 184: 0x40dd, /* 6. dB */
! 185: 0x11dd, /* 6.5 dB */
! 186: 0x440f, /* 7. dB */
! 187: 0x411f, /* 7.5 dB */
! 188: 0x311f, /* 8. dB */
! 189: 0x5520, /* 8.5 dB */
! 190: 0x10dd, /* 9. dB */
! 191: 0x4211, /* 9.5 dB */
! 192: 0x410f, /* 10. dB */
! 193: 0x111f, /* 10.5 dB */
! 194: 0x600b, /* 11. dB */
! 195: 0x00dd, /* 11.5 dB */
! 196: 0x4210, /* 12. dB */
! 197: 0x110f, /* 13. dB */
! 198: 0x7200, /* 14. dB */
! 199: 0x2110, /* 15. dB */
! 200: 0x2200, /* 15.9 dB */
! 201: 0x000b, /* 16.9 dB */
! 202: 0x000f /* 18. dB */
! 203: #define NGER (sizeof(ger_coeff) / sizeof(ger_coeff[0]))
! 204: };
! 205:
! 206: /*
! 207: * Define our interface to the higher level audio driver.
! 208: */
! 209: int amd7930_open(void *, int);
! 210: void amd7930_close(void *);
! 211: int amd7930_query_encoding(void *, struct audio_encoding *);
! 212: int amd7930_set_params(void *, int, int, struct audio_params *, struct audio_params *);
! 213: int amd7930_round_blocksize(void *, int);
! 214: int amd7930_commit_settings(void *);
! 215: int amd7930_start_output(void *, void *, int, void (*)(void *), void *);
! 216: int amd7930_start_input(void *, void *, int, void (*)(void *), void *);
! 217: int amd7930_halt_output(void *);
! 218: int amd7930_halt_input(void *);
! 219: int amd7930_getdev(void *, struct audio_device *);
! 220: int amd7930_set_port(void *, mixer_ctrl_t *);
! 221: int amd7930_get_port(void *, mixer_ctrl_t *);
! 222: int amd7930_query_devinfo(void *, mixer_devinfo_t *);
! 223: int amd7930_get_props(void *);
! 224:
! 225: struct audio_hw_if sa_hw_if = {
! 226: amd7930_open,
! 227: amd7930_close,
! 228: NULL,
! 229: amd7930_query_encoding,
! 230: amd7930_set_params,
! 231: amd7930_round_blocksize,
! 232: amd7930_commit_settings,
! 233: NULL,
! 234: NULL,
! 235: amd7930_start_output,
! 236: amd7930_start_input,
! 237: amd7930_halt_output,
! 238: amd7930_halt_input,
! 239: NULL,
! 240: amd7930_getdev,
! 241: NULL,
! 242: amd7930_set_port,
! 243: amd7930_get_port,
! 244: amd7930_query_devinfo,
! 245: NULL,
! 246: NULL,
! 247: NULL,
! 248: NULL,
! 249: amd7930_get_props,
! 250: NULL,
! 251: NULL
! 252: };
! 253:
! 254: /* autoconfig routines */
! 255:
! 256: int
! 257: amd7930match(parent, vcf, aux)
! 258: struct device *parent;
! 259: void *vcf, *aux;
! 260: {
! 261: register struct confargs *ca = aux;
! 262: register struct romaux *ra = &ca->ca_ra;
! 263:
! 264: if (CPU_ISSUN4)
! 265: return (0);
! 266: return (strcmp(AUDIO_ROM_NAME, ra->ra_name) == 0);
! 267: }
! 268:
! 269: /*
! 270: * Audio chip found.
! 271: */
! 272: void
! 273: amd7930attach(parent, self, args)
! 274: struct device *parent, *self;
! 275: void *args;
! 276: {
! 277: register struct amd7930_softc *sc = (struct amd7930_softc *)self;
! 278: register struct confargs *ca = args;
! 279: register struct romaux *ra = &ca->ca_ra;
! 280: register volatile struct amd7930 *amd;
! 281: register int pri;
! 282:
! 283: if (ra->ra_nintr != 1) {
! 284: printf(": expected 1 interrupt, got %d\n", ra->ra_nintr);
! 285: return;
! 286: }
! 287: pri = ra->ra_intr[0].int_pri;
! 288: printf(" pri %d, softpri %d\n", pri, IPL_AUSOFT);
! 289: amd = (volatile struct amd7930 *)(ra->ra_vaddr ?
! 290: ra->ra_vaddr : mapiodev(ra->ra_reg, 0, sizeof (*amd)));
! 291:
! 292: sc->sc_map.mr_mmr1 = AMD_MMR1_GX | AMD_MMR1_GER |
! 293: AMD_MMR1_GR | AMD_MMR1_STG;
! 294: sc->sc_au.au_amd = amd;
! 295: /* set boot defaults */
! 296: sc->sc_rlevel = 128;
! 297: sc->sc_plevel = 128;
! 298: sc->sc_mlevel = 0;
! 299: sc->sc_out_port = SUNAUDIO_SPEAKER;
! 300:
! 301: init_amd(amd);
! 302:
! 303: /*
! 304: * Register interrupt handlers. We'll prefer a fast trap (unless
! 305: * AUDIO_C_HANDLER is defined), with a sharing callback so that we
! 306: * can revert into a regular trap vector if necessary.
! 307: */
! 308: #ifndef AUDIO_C_HANDLER
! 309: sc->sc_hwih.ih_vec = pri;
! 310: if (intr_fasttrap(pri, amd7930_trap, amd7930_shareintr, sc) == 0) {
! 311: auiop = &sc->sc_au;
! 312: evcount_attach(&sc->sc_hwih.ih_count, sc->sc_dev.dv_xname,
! 313: &sc->sc_hwih.ih_vec, &evcount_intr);
! 314: } else {
! 315: #ifdef AUDIO_DEBUG
! 316: printf("%s: unable to register fast trap handler\n",
! 317: self->dv_xname);
! 318: #endif
! 319: #else
! 320: {
! 321: #endif
! 322: sc->sc_hwih.ih_fun = amd7930hwintr;
! 323: sc->sc_hwih.ih_arg = &sc->sc_au;
! 324: intr_establish(pri, &sc->sc_hwih, IPL_AUHARD,
! 325: sc->sc_dev.dv_xname);
! 326: }
! 327: sc->sc_swih.ih_fun = amd7930swintr;
! 328: sc->sc_swih.ih_arg = sc;
! 329: intr_establish(IPL_AUSOFT, &sc->sc_swih, IPL_AUSOFT,
! 330: sc->sc_dev.dv_xname);
! 331:
! 332: audio_attach_mi(&sa_hw_if, sc, &sc->sc_dev);
! 333: amd7930_commit_settings(sc);
! 334: }
! 335:
! 336: static void
! 337: init_amd(amd)
! 338: register volatile struct amd7930 *amd;
! 339: {
! 340: /* disable interrupts */
! 341: amd->cr = AMDR_INIT;
! 342: amd->dr = AMD_INIT_PMS_ACTIVE | AMD_INIT_INT_DISABLE;
! 343:
! 344: /*
! 345: * Initialize the mux unit. We use MCR3 to route audio (MAP)
! 346: * through channel Bb. MCR1 and MCR2 are unused.
! 347: * Setting the INT enable bit in MCR4 will generate an interrupt
! 348: * on each converted audio sample.
! 349: */
! 350: amd->cr = AMDR_MUX_1_4;
! 351: amd->dr = 0;
! 352: amd->dr = 0;
! 353: amd->dr = (AMD_MCRCHAN_BB << 4) | AMD_MCRCHAN_BA;
! 354: amd->dr = AMD_MCR4_INT_ENABLE;
! 355: }
! 356:
! 357: int
! 358: amd7930_open(addr, flags)
! 359: void *addr;
! 360: int flags;
! 361: {
! 362: struct amd7930_softc *sc = addr;
! 363:
! 364: DPRINTF(("sa_open: unit %p\n", sc));
! 365:
! 366: if (sc->sc_open)
! 367: return (EBUSY);
! 368: sc->sc_open = 1;
! 369: sc->sc_locked = 0;
! 370: sc->sc_rintr = 0;
! 371: sc->sc_rarg = 0;
! 372: sc->sc_pintr = 0;
! 373: sc->sc_parg = 0;
! 374:
! 375: sc->sc_au.au_rdata = 0;
! 376: sc->sc_au.au_pdata = 0;
! 377:
! 378: DPRINTF(("saopen: ok -> sc=0x%x\n",sc));
! 379:
! 380: return (0);
! 381: }
! 382:
! 383: void
! 384: amd7930_close(addr)
! 385: void *addr;
! 386: {
! 387: register struct amd7930_softc *sc = addr;
! 388:
! 389: DPRINTF(("sa_close: sc=0x%x\n", sc));
! 390: /*
! 391: * halt i/o, clear open flag, and done.
! 392: */
! 393: amd7930_halt_input(sc);
! 394: amd7930_halt_output(sc);
! 395: sc->sc_open = 0;
! 396:
! 397: DPRINTF(("sa_close: closed.\n"));
! 398: }
! 399:
! 400: int
! 401: amd7930_set_params(addr, setmode, usemode, p, r)
! 402: void *addr;
! 403: int setmode, usemode;
! 404: struct audio_params *p, *r;
! 405: {
! 406: if (p->sample_rate < 7500 || p->sample_rate > 8500 ||
! 407: p->encoding != AUDIO_ENCODING_ULAW ||
! 408: p->precision != 8 ||
! 409: p->channels != 1)
! 410: return (EINVAL);
! 411: p->sample_rate = 8000; /* no other rates supported by amd chip */
! 412:
! 413: return (0);
! 414: }
! 415:
! 416: int
! 417: amd7930_query_encoding(addr, fp)
! 418: void *addr;
! 419: struct audio_encoding *fp;
! 420: {
! 421: switch (fp->index) {
! 422: case 0:
! 423: strlcpy(fp->name, AudioEmulaw, sizeof fp->name);
! 424: fp->encoding = AUDIO_ENCODING_ULAW;
! 425: fp->precision = 8;
! 426: fp->flags = 0;
! 427: break;
! 428: default:
! 429: return (EINVAL);
! 430: /*NOTREACHED*/
! 431: }
! 432: return (0);
! 433: }
! 434:
! 435: int
! 436: amd7930_round_blocksize(addr, blk)
! 437: void *addr;
! 438: int blk;
! 439: {
! 440: return (blk);
! 441: }
! 442:
! 443: int
! 444: amd7930_commit_settings(addr)
! 445: void *addr;
! 446: {
! 447: register struct amd7930_softc *sc = addr;
! 448: register struct mapreg *map;
! 449: register volatile struct amd7930 *amd;
! 450: register int s, level;
! 451:
! 452: DPRINTF(("sa_commit.\n"));
! 453:
! 454: map = &sc->sc_map;
! 455: amd = sc->sc_au.au_amd;
! 456:
! 457: map->mr_gx = gx_coeff[sc->sc_rlevel];
! 458: map->mr_stgr = gx_coeff[sc->sc_mlevel];
! 459:
! 460: level = (sc->sc_plevel * (256 + NGER)) >> 8;
! 461: if (level >= 256) {
! 462: map->mr_ger = ger_coeff[level - 256];
! 463: map->mr_gr = gx_coeff[255];
! 464: } else {
! 465: map->mr_ger = ger_coeff[0];
! 466: map->mr_gr = gx_coeff[level];
! 467: }
! 468:
! 469: if (sc->sc_out_port == SUNAUDIO_SPEAKER)
! 470: map->mr_mmr2 |= AMD_MMR2_LS;
! 471: else
! 472: map->mr_mmr2 &= ~AMD_MMR2_LS;
! 473:
! 474: s = splaudio();
! 475:
! 476: amd->cr = AMDR_MAP_MMR1;
! 477: amd->dr = map->mr_mmr1;
! 478: amd->cr = AMDR_MAP_GX;
! 479: WAMD16(amd, map->mr_gx);
! 480: amd->cr = AMDR_MAP_STG;
! 481: WAMD16(amd, map->mr_stgr);
! 482: amd->cr = AMDR_MAP_GR;
! 483: WAMD16(amd, map->mr_gr);
! 484: amd->cr = AMDR_MAP_GER;
! 485: WAMD16(amd, map->mr_ger);
! 486: amd->cr = AMDR_MAP_MMR2;
! 487: amd->dr = map->mr_mmr2;
! 488:
! 489: splx(s);
! 490: return (0);
! 491: }
! 492:
! 493: int
! 494: amd7930_start_output(addr, p, cc, intr, arg)
! 495: void *addr;
! 496: void *p;
! 497: int cc;
! 498: void (*intr)(void *);
! 499: void *arg;
! 500: {
! 501: register struct amd7930_softc *sc = addr;
! 502:
! 503: #ifdef AUDIO_DEBUG
! 504: if (amd7930debug > 1)
! 505: printf("sa_start_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg);
! 506: #endif
! 507:
! 508: if (!sc->sc_locked) {
! 509: register volatile struct amd7930 *amd;
! 510:
! 511: amd = sc->sc_au.au_amd;
! 512: amd->cr = AMDR_INIT;
! 513: amd->dr = AMD_INIT_PMS_ACTIVE;
! 514: sc->sc_locked = 1;
! 515: DPRINTF(("sa_start_output: started intrs.\n"));
! 516: }
! 517: sc->sc_pintr = intr;
! 518: sc->sc_parg = arg;
! 519: sc->sc_au.au_pdata = p;
! 520: sc->sc_au.au_pend = p + cc - 1;
! 521: return (0);
! 522: }
! 523:
! 524: /* ARGSUSED */
! 525: int
! 526: amd7930_start_input(addr, p, cc, intr, arg)
! 527: void *addr;
! 528: void *p;
! 529: int cc;
! 530: void (*intr)(void *);
! 531: void *arg;
! 532: {
! 533: register struct amd7930_softc *sc = addr;
! 534:
! 535: #ifdef AUDIO_DEBUG
! 536: if (amd7930debug > 1)
! 537: printf("sa_start_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg);
! 538: #endif
! 539:
! 540: if (!sc->sc_locked) {
! 541: register volatile struct amd7930 *amd;
! 542:
! 543: amd = sc->sc_au.au_amd;
! 544: amd->cr = AMDR_INIT;
! 545: amd->dr = AMD_INIT_PMS_ACTIVE;
! 546: sc->sc_locked = 1;
! 547: DPRINTF(("sa_start_input: started intrs.\n"));
! 548: }
! 549: sc->sc_rintr = intr;
! 550: sc->sc_rarg = arg;
! 551: sc->sc_au.au_rdata = p;
! 552: sc->sc_au.au_rend = p + cc -1;
! 553: return (0);
! 554: }
! 555:
! 556: int
! 557: amd7930_halt_output(addr)
! 558: void *addr;
! 559: {
! 560: register struct amd7930_softc *sc = addr;
! 561: register volatile struct amd7930 *amd;
! 562:
! 563: /* XXX only halt, if input is also halted ?? */
! 564: amd = sc->sc_au.au_amd;
! 565: amd->cr = AMDR_INIT;
! 566: amd->dr = AMD_INIT_PMS_ACTIVE | AMD_INIT_INT_DISABLE;
! 567: sc->sc_locked = 0;
! 568:
! 569: return (0);
! 570: }
! 571:
! 572: int
! 573: amd7930_halt_input(addr)
! 574: void *addr;
! 575: {
! 576: register struct amd7930_softc *sc = addr;
! 577: register volatile struct amd7930 *amd;
! 578:
! 579: /* XXX only halt, if output is also halted ?? */
! 580: amd = sc->sc_au.au_amd;
! 581: amd->cr = AMDR_INIT;
! 582: amd->dr = AMD_INIT_PMS_ACTIVE | AMD_INIT_INT_DISABLE;
! 583: sc->sc_locked = 0;
! 584:
! 585: return (0);
! 586: }
! 587:
! 588: int
! 589: amd7930_getdev(addr, retp)
! 590: void *addr;
! 591: struct audio_device *retp;
! 592: {
! 593: *retp = amd7930_device;
! 594: return (0);
! 595: }
! 596:
! 597: int
! 598: amd7930_set_port(addr, cp)
! 599: void *addr;
! 600: mixer_ctrl_t *cp;
! 601: {
! 602: register struct amd7930_softc *sc = addr;
! 603:
! 604: DPRINTF(("amd7930_set_port: port=%d type=%d\n", cp->dev, cp->type));
! 605:
! 606: if (cp->dev == SUNAUDIO_SOURCE || cp->dev == SUNAUDIO_OUTPUT) {
! 607: if (cp->type != AUDIO_MIXER_ENUM)
! 608: return (EINVAL);
! 609: }
! 610: else if (cp->type != AUDIO_MIXER_VALUE ||
! 611: cp->un.value.num_channels != 1)
! 612: return (EINVAL);
! 613:
! 614: switch(cp->dev) {
! 615: case SUNAUDIO_MIC_PORT:
! 616: sc->sc_rlevel = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
! 617: break;
! 618: case SUNAUDIO_SPEAKER:
! 619: case SUNAUDIO_HEADPHONES:
! 620: sc->sc_plevel = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
! 621: break;
! 622: case SUNAUDIO_MONITOR:
! 623: sc->sc_mlevel = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
! 624: break;
! 625: case SUNAUDIO_SOURCE:
! 626: if (cp->un.ord != SUNAUDIO_MIC_PORT)
! 627: return (EINVAL);
! 628: break;
! 629: case SUNAUDIO_OUTPUT:
! 630: if (cp->un.ord != SUNAUDIO_SPEAKER &&
! 631: cp->un.ord != SUNAUDIO_HEADPHONES)
! 632: return (EINVAL);
! 633: sc->sc_out_port = cp->un.ord;
! 634: break;
! 635: default:
! 636: return (EINVAL);
! 637: /* NOTREACHED */
! 638: }
! 639: return (0);
! 640: }
! 641:
! 642: int
! 643: amd7930_get_port(addr, cp)
! 644: void *addr;
! 645: mixer_ctrl_t *cp;
! 646: {
! 647: register struct amd7930_softc *sc = addr;
! 648:
! 649: DPRINTF(("amd7930_get_port: port=%d type=%d\n", cp->dev, cp->type));
! 650:
! 651: if (cp->dev == SUNAUDIO_SOURCE || cp->dev == SUNAUDIO_OUTPUT) {
! 652: if (cp->type != AUDIO_MIXER_ENUM)
! 653: return (EINVAL);
! 654: }
! 655: else if (cp->type != AUDIO_MIXER_VALUE ||
! 656: cp->un.value.num_channels != 1)
! 657: return (EINVAL);
! 658:
! 659: switch(cp->dev) {
! 660: case SUNAUDIO_MIC_PORT:
! 661: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_rlevel;
! 662: break;
! 663: case SUNAUDIO_SPEAKER:
! 664: case SUNAUDIO_HEADPHONES:
! 665: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_plevel;
! 666: break;
! 667: case SUNAUDIO_MONITOR:
! 668: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_mlevel;
! 669: break;
! 670: case SUNAUDIO_SOURCE:
! 671: cp->un.ord = SUNAUDIO_MIC_PORT;
! 672: break;
! 673: case SUNAUDIO_OUTPUT:
! 674: cp->un.ord = sc->sc_out_port;
! 675: break;
! 676: default:
! 677: return (EINVAL);
! 678: /* NOTREACHED */
! 679: }
! 680: return (0);
! 681: }
! 682:
! 683: int
! 684: amd7930_get_props(addr)
! 685: void *addr;
! 686: {
! 687: return (AUDIO_PROP_FULLDUPLEX);
! 688: }
! 689:
! 690: int
! 691: amd7930_query_devinfo(addr, dip)
! 692: void *addr;
! 693: register mixer_devinfo_t *dip;
! 694: {
! 695: switch(dip->index) {
! 696: case SUNAUDIO_MIC_PORT:
! 697: dip->type = AUDIO_MIXER_VALUE;
! 698: dip->mixer_class = SUNAUDIO_INPUT_CLASS;
! 699: dip->prev = dip->next = AUDIO_MIXER_LAST;
! 700: strlcpy(dip->label.name, AudioNmicrophone, sizeof dip->label.name);
! 701: dip->un.v.num_channels = 1;
! 702: strlcpy(dip->un.v.units.name, AudioNvolume,
! 703: sizeof dip->un.v.units.name);
! 704: break;
! 705: case SUNAUDIO_SPEAKER:
! 706: dip->type = AUDIO_MIXER_VALUE;
! 707: dip->mixer_class = SUNAUDIO_OUTPUT_CLASS;
! 708: dip->prev = dip->next = AUDIO_MIXER_LAST;
! 709: strlcpy(dip->label.name, AudioNspeaker, sizeof dip->label.name);
! 710: dip->un.v.num_channels = 1;
! 711: strlcpy(dip->un.v.units.name, AudioNvolume,
! 712: sizeof dip->un.v.units.name);
! 713: break;
! 714: case SUNAUDIO_HEADPHONES:
! 715: dip->type = AUDIO_MIXER_VALUE;
! 716: dip->mixer_class = SUNAUDIO_OUTPUT_CLASS;
! 717: dip->prev = dip->next = AUDIO_MIXER_LAST;
! 718: strlcpy(dip->label.name, AudioNheadphone, sizeof dip->label.name);
! 719: dip->un.v.num_channels = 1;
! 720: strlcpy(dip->un.v.units.name, AudioNvolume,
! 721: sizeof dip->label.name);
! 722: break;
! 723: case SUNAUDIO_MONITOR:
! 724: dip->type = AUDIO_MIXER_VALUE;
! 725: dip->mixer_class = SUNAUDIO_OUTPUT_CLASS;
! 726: dip->next = dip->prev = AUDIO_MIXER_LAST;
! 727: strlcpy(dip->label.name, AudioNmonitor, sizeof dip->label.name);
! 728: dip->un.v.num_channels = 1;
! 729: strlcpy(dip->un.v.units.name, AudioNvolume,
! 730: sizeof dip->label.name);
! 731: break;
! 732: case SUNAUDIO_SOURCE:
! 733: dip->type = AUDIO_MIXER_ENUM;
! 734: dip->mixer_class = SUNAUDIO_RECORD_CLASS;
! 735: dip->prev = dip->next = AUDIO_MIXER_LAST;
! 736: strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
! 737: dip->un.e.num_mem = 1;
! 738: strlcpy(dip->un.e.member[0].label.name, AudioNmicrophone,
! 739: sizeof dip->un.e.member[0].label.name);
! 740: dip->un.e.member[0].ord = SUNAUDIO_MIC_PORT;
! 741: break;
! 742: case SUNAUDIO_OUTPUT:
! 743: dip->type = AUDIO_MIXER_ENUM;
! 744: dip->mixer_class = SUNAUDIO_MONITOR_CLASS;
! 745: dip->prev = dip->next = AUDIO_MIXER_LAST;
! 746: strlcpy(dip->label.name, AudioNoutput, sizeof dip->label.name);
! 747: dip->un.e.num_mem = 2;
! 748: strlcpy(dip->un.e.member[0].label.name, AudioNspeaker,
! 749: sizeof dip->un.e.member[0].label.name);
! 750: dip->un.e.member[0].ord = SUNAUDIO_SPEAKER;
! 751: strlcpy(dip->un.e.member[1].label.name, AudioNheadphone,
! 752: sizeof dip->un.e.member[0].label.name);
! 753: dip->un.e.member[1].ord = SUNAUDIO_HEADPHONES;
! 754: break;
! 755: case SUNAUDIO_INPUT_CLASS:
! 756: dip->type = AUDIO_MIXER_CLASS;
! 757: dip->mixer_class = SUNAUDIO_INPUT_CLASS;
! 758: dip->next = dip->prev = AUDIO_MIXER_LAST;
! 759: strlcpy(dip->label.name, AudioCinputs, sizeof dip->label.name);
! 760: break;
! 761: case SUNAUDIO_OUTPUT_CLASS:
! 762: dip->type = AUDIO_MIXER_CLASS;
! 763: dip->mixer_class = SUNAUDIO_OUTPUT_CLASS;
! 764: dip->next = dip->prev = AUDIO_MIXER_LAST;
! 765: strlcpy(dip->label.name, AudioCoutputs, sizeof dip->label.name);
! 766: break;
! 767: case SUNAUDIO_RECORD_CLASS:
! 768: dip->type = AUDIO_MIXER_CLASS;
! 769: dip->mixer_class = SUNAUDIO_RECORD_CLASS;
! 770: dip->next = dip->prev = AUDIO_MIXER_LAST;
! 771: strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name);
! 772: break;
! 773: case SUNAUDIO_MONITOR_CLASS:
! 774: dip->type = AUDIO_MIXER_CLASS;
! 775: dip->mixer_class = SUNAUDIO_MONITOR_CLASS;
! 776: dip->next = dip->prev = AUDIO_MIXER_LAST;
! 777: strlcpy(dip->label.name, AudioCmonitor, sizeof dip->label.name);
! 778: break;
! 779: default:
! 780: return (ENXIO);
! 781: /*NOTREACHED*/
! 782: }
! 783:
! 784: DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
! 785:
! 786: return (0);
! 787: }
! 788:
! 789: int
! 790: amd7930hwintr(au0)
! 791: void *au0;
! 792: {
! 793: register struct auio *au = au0;
! 794: register volatile struct amd7930 *amd = au->au_amd;
! 795: register u_char *d, *e;
! 796: register int k;
! 797:
! 798: k = amd->ir; /* clear interrupt */
! 799:
! 800: /* receive incoming data */
! 801: d = au->au_rdata;
! 802: e = au->au_rend;
! 803: if (d && d <= e) {
! 804: *d = amd->bbrb;
! 805: au->au_rdata++;
! 806: if (d == e) {
! 807: #ifdef AUDIO_DEBUG
! 808: if (amd7930debug > 1)
! 809: printf("amd7930hwintr: swintr(r) requested");
! 810: #endif
! 811: AUDIO_SET_SWINTR;
! 812: }
! 813: }
! 814:
! 815: /* send outgoing data */
! 816: d = au->au_pdata;
! 817: e = au->au_pend;
! 818: if (d && d <= e) {
! 819: amd->bbtb = *d;
! 820: au->au_pdata++;
! 821: if (d == e) {
! 822: #ifdef AUDIO_DEBUG
! 823: if (amd7930debug > 1)
! 824: printf("amd7930hwintr: swintr(p) requested");
! 825: #endif
! 826: AUDIO_SET_SWINTR;
! 827: }
! 828: }
! 829:
! 830: return (-1);
! 831: }
! 832:
! 833: int
! 834: amd7930swintr(sc0)
! 835: void *sc0;
! 836: {
! 837: register struct amd7930_softc *sc = sc0;
! 838: register struct auio *au;
! 839: register int s, ret = 0;
! 840:
! 841: #ifdef AUDIO_DEBUG
! 842: if (amd7930debug > 1)
! 843: printf("audiointr: sc=0x%x\n",sc);
! 844: #endif
! 845:
! 846: au = &sc->sc_au;
! 847: s = splaudio();
! 848: if (au->au_rdata > au->au_rend && sc->sc_rintr != NULL) {
! 849: splx(s);
! 850: ret = 1;
! 851: (*sc->sc_rintr)(sc->sc_rarg);
! 852: s = splaudio();
! 853: }
! 854: if (au->au_pdata > au->au_pend && sc->sc_pintr != NULL) {
! 855: splx(s);
! 856: ret = 1;
! 857: (*sc->sc_pintr)(sc->sc_parg);
! 858: } else
! 859: splx(s);
! 860: return (ret);
! 861: }
! 862:
! 863: #ifndef AUDIO_C_HANDLER
! 864: int
! 865: amd7930_shareintr(void *arg)
! 866: {
! 867: struct amd7930_softc *sc = arg;
! 868:
! 869: /*
! 870: * We are invoked at splhigh(), so there is no need to prevent the chip
! 871: * from interrupting while we are messing with the handlers. We
! 872: * however need to properly untie the event counter from the chain,
! 873: * since it will be reused immediately by intr_establish()...
! 874: */
! 875:
! 876: intr_fastuntrap(sc->sc_hwih.ih_vec);
! 877: evcount_detach(&sc->sc_hwih.ih_count);
! 878:
! 879: sc->sc_hwih.ih_fun = amd7930hwintr;
! 880: sc->sc_hwih.ih_arg = &sc->sc_au;
! 881: intr_establish(sc->sc_hwih.ih_vec, &sc->sc_hwih, IPL_AUHARD,
! 882: sc->sc_dev.dv_xname);
! 883:
! 884: return (0);
! 885: }
! 886: #endif
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