Annotation of sys/arch/macppc/dev/tumbler.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: tumbler.c,v 1.4 2007/04/23 16:27:20 deraadt Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 2001,2003 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
! 15: * derived from this software without specific prior written permission.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 18: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 19: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 20: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
! 26: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29: /*
! 30: * Datasheet is available from
! 31: * http://focus.ti.com/docs/prod/folders/print/tas3001.html
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/audioio.h>
! 36: #include <sys/device.h>
! 37: #include <sys/systm.h>
! 38:
! 39: #include <dev/audio_if.h>
! 40: #include <dev/ofw/openfirm.h>
! 41: #include <macppc/dev/dbdma.h>
! 42:
! 43: #include <machine/autoconf.h>
! 44:
! 45: #include <macppc/dev/i2svar.h>
! 46:
! 47: #ifdef TUMBLER_DEBUG
! 48: # define DPRINTF printf
! 49: #else
! 50: # define DPRINTF while (0) printf
! 51: #endif
! 52:
! 53: /* XXX */
! 54: #define tumbler_softc i2s_softc
! 55:
! 56: /* XXX */
! 57: int kiic_write(struct device *, int, int, const void *, int);
! 58: int kiic_writereg(struct device *, int, u_int);
! 59:
! 60: void tumbler_init(struct tumbler_softc *);
! 61: int tumbler_getdev(void *, struct audio_device *);
! 62: int tumbler_match(struct device *, void *, void *);
! 63: void tumbler_attach(struct device *, struct device *, void *);
! 64: void tumbler_defer(struct device *);
! 65: void tumbler_set_volume(struct tumbler_softc *, int, int);
! 66: void tumbler_set_bass(struct tumbler_softc *, int);
! 67: void tumbler_set_treble(struct tumbler_softc *, int);
! 68:
! 69: int tas3001_write(struct tumbler_softc *, u_int, const void *);
! 70: int tas3001_init(struct tumbler_softc *);
! 71:
! 72: struct cfattach tumbler_ca = {
! 73: sizeof(struct tumbler_softc), tumbler_match, tumbler_attach
! 74: };
! 75: struct cfdriver tumbler_cd = {
! 76: NULL, "tumbler", DV_DULL
! 77: };
! 78:
! 79: struct audio_hw_if tumbler_hw_if = {
! 80: i2s_open,
! 81: i2s_close,
! 82: NULL,
! 83: i2s_query_encoding,
! 84: i2s_set_params,
! 85: i2s_round_blocksize,
! 86: NULL,
! 87: NULL,
! 88: NULL,
! 89: NULL,
! 90: NULL,
! 91: i2s_halt_output,
! 92: i2s_halt_input,
! 93: NULL,
! 94: tumbler_getdev,
! 95: NULL,
! 96: i2s_set_port,
! 97: i2s_get_port,
! 98: i2s_query_devinfo,
! 99: i2s_allocm, /* allocm */
! 100: NULL,
! 101: i2s_round_buffersize,
! 102: i2s_mappage,
! 103: i2s_get_props,
! 104: i2s_trigger_output,
! 105: i2s_trigger_input,
! 106: };
! 107:
! 108: struct audio_device tumbler_device = {
! 109: "TUMBLER",
! 110: "",
! 111: "tumbler"
! 112: };
! 113:
! 114: const uint8_t tumbler_trebletab[] = {
! 115: 0x96, /* -18dB */
! 116: 0x94, /* -17dB */
! 117: 0x92, /* -16dB */
! 118: 0x90, /* -15dB */
! 119: 0x8e, /* -14dB */
! 120: 0x8c, /* -13dB */
! 121: 0x8a, /* -12dB */
! 122: 0x88, /* -11dB */
! 123: 0x86, /* -10dB */
! 124: 0x84, /* -9dB */
! 125: 0x82, /* -8dB */
! 126: 0x80, /* -7dB */
! 127: 0x7e, /* -6dB */
! 128: 0x7c, /* -5dB */
! 129: 0x7a, /* -4dB */
! 130: 0x78, /* -3dB */
! 131: 0x76, /* -2dB */
! 132: 0x74, /* -1dB */
! 133: 0x72, /* 0dB */
! 134: 0x70, /* 1dB */
! 135: 0x6d, /* 2dB */
! 136: 0x6b, /* 3dB */
! 137: 0x68, /* 4dB */
! 138: 0x65, /* 5dB */
! 139: 0x62, /* 6dB */
! 140: 0x5e, /* 7dB */
! 141: 0x59, /* 8dB */
! 142: 0x5a, /* 9dB */
! 143: 0x4f, /* 10dB */
! 144: 0x49, /* 11dB */
! 145: 0x42, /* 12dB */
! 146: 0x3a, /* 13dB */
! 147: 0x32, /* 14dB */
! 148: 0x28, /* 15dB */
! 149: 0x1c, /* 16dB */
! 150: 0x10, /* 17dB */
! 151: 0x01, /* 18dB */
! 152: };
! 153:
! 154: const uint8_t tumbler_basstab[] = {
! 155: 0x86, /* -18dB */
! 156: 0x7f, /* -17dB */
! 157: 0x7a, /* -16dB */
! 158: 0x76, /* -15dB */
! 159: 0x72, /* -14dB */
! 160: 0x6e, /* -13dB */
! 161: 0x6b, /* -12dB */
! 162: 0x66, /* -11dB */
! 163: 0x61, /* -10dB */
! 164: 0x5d, /* -9dB */
! 165: 0x5a, /* -8dB */
! 166: 0x58, /* -7dB */
! 167: 0x55, /* -6dB */
! 168: 0x53, /* -5dB */
! 169: 0x4f, /* -4dB */
! 170: 0x4b, /* -3dB */
! 171: 0x46, /* -2dB */
! 172: 0x42, /* -1dB */
! 173: 0x3e, /* 0dB */
! 174: 0x3b, /* 1dB */
! 175: 0x38, /* 2dB */
! 176: 0x35, /* 3dB */
! 177: 0x31, /* 4dB */
! 178: 0x2e, /* 5dB */
! 179: 0x2b, /* 6dB */
! 180: 0x28, /* 7dB */
! 181: 0x25, /* 8dB */
! 182: 0x21, /* 9dB */
! 183: 0x1c, /* 10dB */
! 184: 0x18, /* 11dB */
! 185: 0x16, /* 12dB */
! 186: 0x13, /* 13dB */
! 187: 0x10, /* 14dB */
! 188: 0x0d, /* 15dB */
! 189: 0x0a, /* 16dB */
! 190: 0x06, /* 17dB */
! 191: 0x01, /* 18dB */
! 192: };
! 193:
! 194: /* TAS3001 registers */
! 195: #define DEQ_MCR 0x01 /* Main Control Register (1byte) */
! 196: #define DEQ_DRC 0x02 /* Dynamic Range Compression (2bytes) */
! 197: #define DEQ_VOLUME 0x04 /* Volume (6bytes) */
! 198: #define DEQ_TREBLE 0x05 /* Treble Control Register (1byte) */
! 199: #define DEQ_BASS 0x06 /* Bass Control Register (1byte) */
! 200: #define DEQ_MIXER1 0x07 /* Mixer 1 (3bytes) */
! 201: #define DEQ_MIXER2 0x08 /* Mixer 2 (3bytes) */
! 202: #define DEQ_LB0 0x0a /* Left Biquad 0 (15bytes) */
! 203: #define DEQ_LB1 0x0b /* Left Biquad 1 (15bytes) */
! 204: #define DEQ_LB2 0x0c /* Left Biquad 2 (15bytes) */
! 205: #define DEQ_LB3 0x0d /* Left Biquad 3 (15bytes) */
! 206: #define DEQ_LB4 0x0e /* Left Biquad 4 (15bytes) */
! 207: #define DEQ_LB5 0x0f /* Left Biquad 5 (15bytes) */
! 208: #define DEQ_RB0 0x13 /* Right Biquad 0 (15bytes) */
! 209: #define DEQ_RB1 0x14 /* Right Biquad 1 (15bytes) */
! 210: #define DEQ_RB2 0x15 /* Right Biquad 2 (15bytes) */
! 211: #define DEQ_RB3 0x16 /* Right Biquad 3 (15bytes) */
! 212: #define DEQ_RB4 0x17 /* Right Biquad 4 (15bytes) */
! 213: #define DEQ_RB5 0x18 /* Right Biquad 5 (15bytes) */
! 214:
! 215: #define DEQ_MCR_FL 0x80 /* Fast load */
! 216: #define DEQ_MCR_SC 0x40 /* SCLK frequency */
! 217: #define DEQ_MCR_SC_32 0x00 /* 32fs */
! 218: #define DEQ_MCR_SC_64 0x40 /* 64fs */
! 219: #define DEQ_MCR_OM 0x30 /* Output serial port mode */
! 220: #define DEQ_MCR_OM_L 0x00 /* Left justified */
! 221: #define DEQ_MCR_OM_R 0x10 /* Right justified */
! 222: #define DEQ_MCR_OM_I2S 0x20 /* I2S */
! 223: #define DEQ_MCR_IM 0x0c /* Input serial port mode */
! 224: #define DEQ_MCR_IM_L 0x00 /* Left justified */
! 225: #define DEQ_MCR_IM_R 0x04 /* Right justified */
! 226: #define DEQ_MCR_IM_I2S 0x08 /* I2S */
! 227: #define DEQ_MCR_W 0x03 /* Serial port word length */
! 228: #define DEQ_MCR_W_16 0x00 /* 16 bit */
! 229: #define DEQ_MCR_W_18 0x01 /* 18 bit */
! 230: #define DEQ_MCR_W_20 0x02 /* 20 bit */
! 231:
! 232: #define DEQ_DRC_CR 0xc0 /* Compression ratio */
! 233: #define DEQ_DRC_CR_31 0xc0 /* 3:1 */
! 234: #define DEQ_DRC_EN 0x01 /* Enable DRC */
! 235:
! 236: #define DEQ_MCR_I2S (DEQ_MCR_OM_I2S | DEQ_MCR_IM_I2S)
! 237:
! 238: struct tas3001_reg {
! 239: u_char MCR[1];
! 240: u_char DRC[2];
! 241: u_char VOLUME[6];
! 242: u_char TREBLE[1];
! 243: u_char BASS[1];
! 244: u_char MIXER1[3];
! 245: u_char MIXER2[3];
! 246: u_char LB0[15];
! 247: u_char LB1[15];
! 248: u_char LB2[15];
! 249: u_char LB3[15];
! 250: u_char LB4[15];
! 251: u_char LB5[15];
! 252: u_char RB0[15];
! 253: u_char RB1[15];
! 254: u_char RB2[15];
! 255: u_char RB3[15];
! 256: u_char RB4[15];
! 257: u_char RB5[15];
! 258: };
! 259:
! 260: int
! 261: tumbler_match(struct device *parent, void *match, void *aux)
! 262: {
! 263: struct confargs *ca = aux;
! 264: int soundbus, soundchip;
! 265: char compat[32];
! 266:
! 267: if (strcmp(ca->ca_name, "i2s") != 0)
! 268: return (0);
! 269:
! 270: if ((soundbus = OF_child(ca->ca_node)) == 0 ||
! 271: (soundchip = OF_child(soundbus)) == 0)
! 272: return (0);
! 273:
! 274: bzero(compat, sizeof compat);
! 275: OF_getprop(soundchip, "compatible", compat, sizeof compat);
! 276:
! 277: if (strcmp(compat, "tumbler") != 0)
! 278: return (0);
! 279:
! 280: return (1);
! 281: }
! 282:
! 283: void
! 284: tumbler_attach(struct device *parent, struct device *self, void *aux)
! 285: {
! 286: struct tumbler_softc *sc = (struct tumbler_softc *)self;
! 287:
! 288: sc->sc_setvolume = tumbler_set_volume;
! 289: sc->sc_setbass = tumbler_set_bass;
! 290: sc->sc_settreble = tumbler_set_treble;
! 291:
! 292: i2s_attach(parent, sc, aux);
! 293: config_defer(self, tumbler_defer);
! 294: }
! 295:
! 296: void
! 297: tumbler_defer(struct device *dev)
! 298: {
! 299: struct tumbler_softc *sc = (struct tumbler_softc *)dev;
! 300: struct device *dv;
! 301:
! 302: TAILQ_FOREACH(dv, &alldevs, dv_list)
! 303: if (strncmp(dv->dv_xname, "kiic", 4) == 0 &&
! 304: strncmp(dv->dv_parent->dv_xname, "macobio", 7) == 0)
! 305: sc->sc_i2c = dv;
! 306: if (sc->sc_i2c == NULL) {
! 307: printf("%s: unable to find i2c\n", sc->sc_dev.dv_xname);
! 308: return;
! 309: }
! 310:
! 311: /* XXX If i2c has failed to attach, what should we do? */
! 312:
! 313: audio_attach_mi(&tumbler_hw_if, sc, &sc->sc_dev);
! 314:
! 315: tumbler_init(sc);
! 316: }
! 317:
! 318: void
! 319: tumbler_set_volume(struct tumbler_softc *sc, int left, int right)
! 320: {
! 321: u_char vol[6];
! 322:
! 323: sc->sc_vol_l = left;
! 324: sc->sc_vol_r = right;
! 325:
! 326: left <<= 6; /* XXX for now */
! 327: right <<= 6;
! 328:
! 329: vol[0] = left >> 16;
! 330: vol[1] = left >> 8;
! 331: vol[2] = left;
! 332: vol[3] = right >> 16;
! 333: vol[4] = right >> 8;
! 334: vol[5] = right;
! 335:
! 336: tas3001_write(sc, DEQ_VOLUME, vol);
! 337: }
! 338:
! 339: void
! 340: tumbler_set_treble(struct tumbler_softc *sc, int value)
! 341: {
! 342: uint8_t reg;
! 343:
! 344: if ((value >= 0) && (value <= 255) && (value != sc->sc_treble)) {
! 345: reg = tumbler_trebletab[(value >> 3) + 2];
! 346: if (tas3001_write(sc, DEQ_TREBLE, ®) < 0)
! 347: return;
! 348: sc->sc_treble = value;
! 349: }
! 350: }
! 351:
! 352: void
! 353: tumbler_set_bass(struct tumbler_softc *sc, int value)
! 354: {
! 355: uint8_t reg;
! 356:
! 357: if ((value >= 0) && (value <= 255) && (value != sc->sc_bass)) {
! 358: reg = tumbler_basstab[(value >> 3) + 2];
! 359: if (tas3001_write(sc, DEQ_BASS, ®) < 0)
! 360: return;
! 361: sc->sc_bass = value;
! 362: }
! 363: }
! 364:
! 365: const struct tas3001_reg tas3001_initdata = {
! 366: { DEQ_MCR_SC_64 | DEQ_MCR_I2S | DEQ_MCR_W_20 }, /* MCR */
! 367: { DEQ_DRC_CR_31, 0xa0 }, /* DRC */
! 368: { 0, 0, 0, 0, 0, 0 }, /* VOLUME */
! 369: { 0x72 }, /* TREBLE */
! 370: { 0x3e }, /* BASS */
! 371: { 0x10, 0x00, 0x00 }, /* MIXER1 */
! 372: { 0x00, 0x00, 0x00 }, /* MIXER2 */
! 373: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 374: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 375: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 376: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 377: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 378: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 379: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 380: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 381: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 382: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 383: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 384: { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
! 385: };
! 386:
! 387: const char tas3001_regsize[] = {
! 388: 0, /* 0x00 */
! 389: sizeof tas3001_initdata.MCR, /* 0x01 */
! 390: sizeof tas3001_initdata.DRC, /* 0x02 */
! 391: 0, /* 0x03 */
! 392: sizeof tas3001_initdata.VOLUME, /* 0x04 */
! 393: sizeof tas3001_initdata.TREBLE, /* 0x05 */
! 394: sizeof tas3001_initdata.BASS, /* 0x06 */
! 395: sizeof tas3001_initdata.MIXER1, /* 0x07 */
! 396: sizeof tas3001_initdata.MIXER2, /* 0x08 */
! 397: 0, /* 0x09 */
! 398: sizeof tas3001_initdata.LB0, /* 0x0a */
! 399: sizeof tas3001_initdata.LB1, /* 0x0b */
! 400: sizeof tas3001_initdata.LB2, /* 0x0c */
! 401: sizeof tas3001_initdata.LB3, /* 0x0d */
! 402: sizeof tas3001_initdata.LB4, /* 0x0e */
! 403: sizeof tas3001_initdata.LB5, /* 0x0f */
! 404: 0, /* 0x10 */
! 405: 0, /* 0x11 */
! 406: 0, /* 0x12 */
! 407: sizeof tas3001_initdata.RB0, /* 0x13 */
! 408: sizeof tas3001_initdata.RB1, /* 0x14 */
! 409: sizeof tas3001_initdata.RB2, /* 0x15 */
! 410: sizeof tas3001_initdata.RB3, /* 0x16 */
! 411: sizeof tas3001_initdata.RB4, /* 0x17 */
! 412: sizeof tas3001_initdata.RB5 /* 0x18 */
! 413: };
! 414:
! 415: #define DEQaddr 0x68
! 416:
! 417: int
! 418: tas3001_write(struct tumbler_softc *sc, u_int reg, const void *data)
! 419: {
! 420: int size;
! 421:
! 422: KASSERT(reg < sizeof tas3001_regsize);
! 423: size = tas3001_regsize[reg];
! 424: KASSERT(size > 0);
! 425:
! 426: if (kiic_write(sc->sc_i2c, DEQaddr, reg, data, size))
! 427: return (-1);
! 428:
! 429: return (0);
! 430: }
! 431:
! 432: #define DEQ_WRITE(sc, reg, addr) \
! 433: if (tas3001_write(sc, reg, addr)) goto err
! 434:
! 435: int
! 436: tas3001_init(struct tumbler_softc *sc)
! 437: {
! 438: deq_reset(sc);
! 439:
! 440: /* Initialize TAS3001 registers. */
! 441: DEQ_WRITE(sc, DEQ_LB0, tas3001_initdata.LB0);
! 442: DEQ_WRITE(sc, DEQ_LB1, tas3001_initdata.LB1);
! 443: DEQ_WRITE(sc, DEQ_LB2, tas3001_initdata.LB2);
! 444: DEQ_WRITE(sc, DEQ_LB3, tas3001_initdata.LB3);
! 445: DEQ_WRITE(sc, DEQ_LB4, tas3001_initdata.LB4);
! 446: DEQ_WRITE(sc, DEQ_LB5, tas3001_initdata.LB5);
! 447: DEQ_WRITE(sc, DEQ_RB0, tas3001_initdata.RB0);
! 448: DEQ_WRITE(sc, DEQ_RB1, tas3001_initdata.RB1);
! 449: DEQ_WRITE(sc, DEQ_RB1, tas3001_initdata.RB1);
! 450: DEQ_WRITE(sc, DEQ_RB2, tas3001_initdata.RB2);
! 451: DEQ_WRITE(sc, DEQ_RB3, tas3001_initdata.RB3);
! 452: DEQ_WRITE(sc, DEQ_RB4, tas3001_initdata.RB4);
! 453: DEQ_WRITE(sc, DEQ_MCR, tas3001_initdata.MCR);
! 454: DEQ_WRITE(sc, DEQ_DRC, tas3001_initdata.DRC);
! 455: DEQ_WRITE(sc, DEQ_VOLUME, tas3001_initdata.VOLUME);
! 456: DEQ_WRITE(sc, DEQ_TREBLE, tas3001_initdata.TREBLE);
! 457: DEQ_WRITE(sc, DEQ_BASS, tas3001_initdata.BASS);
! 458: DEQ_WRITE(sc, DEQ_MIXER1, tas3001_initdata.MIXER1);
! 459: DEQ_WRITE(sc, DEQ_MIXER2, tas3001_initdata.MIXER2);
! 460:
! 461: return (0);
! 462: err:
! 463: printf("%s: tas3001_init: error\n", sc->sc_dev.dv_xname);
! 464: return (-1);
! 465: }
! 466:
! 467: void
! 468: tumbler_init(struct tumbler_softc *sc)
! 469: {
! 470:
! 471: /* "sample-rates" (44100, 48000) */
! 472: i2s_set_rate(sc, 44100);
! 473:
! 474: #if 1
! 475: /* Enable I2C interrupts. */
! 476: #define IER 4
! 477: #define I2C_INT_DATA 0x01
! 478: #define I2C_INT_ADDR 0x02
! 479: #define I2C_INT_STOP 0x04
! 480: kiic_writereg(sc->sc_i2c, IER,I2C_INT_DATA|I2C_INT_ADDR|I2C_INT_STOP);
! 481: #endif
! 482:
! 483: if (tas3001_init(sc))
! 484: return;
! 485:
! 486: tumbler_set_volume(sc, 80, 80);
! 487: }
! 488:
! 489: int
! 490: tumbler_getdev(void *h, struct audio_device *retp)
! 491: {
! 492: *retp = tumbler_device;
! 493: return (0);
! 494: }
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