Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/macio/tumbler.c
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1 /*- 2 * Copyright 2008 by Marco Trillo. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 18 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 20 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 /*- 28 * Copyright (c) 2002, 2003 Tsubai Masanari. All rights reserved. 29 * 30 * Redistribution and use in source and binary forms, with or without 31 * modification, are permitted provided that the following conditions 32 * are met: 33 * 1. Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * 2. Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 3. The name of the author may not be used to endorse or promote products 39 * derived from this software without specific prior written permission. 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 * 52 * NetBSD: tumbler.c,v 1.28 2008/05/16 03:49:54 macallan Exp 53 * Id: tumbler.c,v 1.11 2002/10/31 17:42:13 tsubai Exp 54 */ 55 56 /* 57 * Apple I2S audio controller. 58 */ 59 60 #include <sys/param.h> 61 #include <sys/systm.h> 62 #include <sys/kernel.h> 63 #include <sys/module.h> 64 #include <sys/bus.h> 65 #include <sys/malloc.h> 66 #include <sys/lock.h> 67 #include <sys/mutex.h> 68 #include <machine/dbdma.h> 69 #include <machine/intr_machdep.h> 70 #include <machine/resource.h> 71 #include <machine/bus.h> 72 #include <machine/pio.h> 73 #include <sys/rman.h> 74 75 #include <dev/iicbus/iicbus.h> 76 #include <dev/iicbus/iiconf.h> 77 #include <dev/ofw/ofw_bus.h> 78 79 #ifdef HAVE_KERNEL_OPTION_HEADERS 80 #include "opt_snd.h" 81 #endif 82 83 #include <dev/sound/pcm/sound.h> 84 85 #include "mixer_if.h" 86 87 extern kobj_class_t i2s_mixer_class; 88 extern device_t i2s_mixer; 89 90 struct tumbler_softc 91 { 92 device_t sc_dev; 93 uint32_t sc_addr; 94 }; 95 96 static int tumbler_probe(device_t); 97 static int tumbler_attach(device_t); 98 static int tumbler_init(struct snd_mixer *m); 99 static int tumbler_uninit(struct snd_mixer *m); 100 static int tumbler_reinit(struct snd_mixer *m); 101 static int tumbler_set(struct snd_mixer *m, unsigned dev, unsigned left, 102 unsigned right); 103 static u_int32_t tumbler_setrecsrc(struct snd_mixer *m, u_int32_t src); 104 105 static device_method_t tumbler_methods[] = { 106 /* Device interface. */ 107 DEVMETHOD(device_probe, tumbler_probe), 108 DEVMETHOD(device_attach, tumbler_attach), 109 110 { 0, 0 } 111 }; 112 113 static driver_t tumbler_driver = { 114 "tumbler", 115 tumbler_methods, 116 sizeof(struct tumbler_softc) 117 }; 118 static devclass_t tumbler_devclass; 119 120 DRIVER_MODULE(tumbler, iicbus, tumbler_driver, tumbler_devclass, 0, 0); 121 MODULE_VERSION(tumbler, 1); 122 MODULE_DEPEND(tumbler, iicbus, 1, 1, 1); 123 124 static kobj_method_t tumbler_mixer_methods[] = { 125 KOBJMETHOD(mixer_init, tumbler_init), 126 KOBJMETHOD(mixer_uninit, tumbler_uninit), 127 KOBJMETHOD(mixer_reinit, tumbler_reinit), 128 KOBJMETHOD(mixer_set, tumbler_set), 129 KOBJMETHOD(mixer_setrecsrc, tumbler_setrecsrc), 130 KOBJMETHOD_END 131 }; 132 133 MIXER_DECLARE(tumbler_mixer); 134 135 #define TUMBLER_IICADDR 0x68 /* Tumbler I2C slave address */ 136 137 /* Tumbler (Texas Instruments TAS3001) registers. */ 138 #define TUMBLER_MCR 0x01 /* Main control register (1byte) */ 139 #define TUMBLER_DRC 0x02 /* Dynamic Range Compression (2bytes) */ 140 #define TUMBLER_VOLUME 0x04 /* Volume (6bytes) */ 141 #define TUMBLER_TREBLE 0x05 /* Treble control (1byte) */ 142 #define TUMBLER_BASS 0x06 /* Bass control (1byte) */ 143 #define TUMBLER_MIXER1 0x07 /* Mixer1 (3bytes) */ 144 #define TUMBLER_MIXER2 0x08 /* Mixer2 (3bytes) */ 145 #define TUMBLER_LB0 0x0a /* Left biquad 0 (15bytes) */ 146 #define TUMBLER_LB1 0x0b /* Left biquad 1 (15bytes) */ 147 #define TUMBLER_LB2 0x0c /* Left biquad 2 (15bytes) */ 148 #define TUMBLER_LB3 0x0d /* Left biquad 3 (15bytes) */ 149 #define TUMBLER_LB4 0x0e /* Left biquad 4 (15bytes) */ 150 #define TUMBLER_LB5 0x0f /* Left biquad 5 (15bytes) */ 151 #define TUMBLER_RB0 0x13 /* Right biquad 0 (15bytes) */ 152 #define TUMBLER_RB1 0x14 /* Right biquad 1 (15bytes) */ 153 #define TUMBLER_RB2 0x15 /* Right biquad 2 (15bytes) */ 154 #define TUMBLER_RB3 0x16 /* Right biquad 3 (15bytes) */ 155 #define TUMBLER_RB4 0x17 /* Right biquad 4 (15bytes) */ 156 #define TUMBLER_RB5 0x18 /* Right biquad 5 (15bytes) */ 157 #define TUMBLER_MCR_FL 0x80 /* Fast load */ 158 #define TUMBLER_MCR_SC 0x40 /* SCLK frequency */ 159 #define TUMBLER_MCR_SC_32 0x00 /* 32fs */ 160 #define TUMBLER_MCR_SC_64 0x40 /* 64fs */ 161 #define TUMBLER_MCR_SM 0x30 /* Output serial port mode */ 162 #define TUMBLER_MCR_SM_L 0x00 /* Left justified */ 163 #define TUMBLER_MCR_SM_R 0x10 /* Right justified */ 164 #define TUMBLER_MCR_SM_I2S 0x20 /* I2S */ 165 #define TUMBLER_MCR_ISM 0x0C /* Input serial mode */ 166 #define TUMBLER_MCR_ISM_L 0x00 167 #define TUMBLER_MCR_ISM_R 0x04 168 #define TUMBLER_MCR_ISM_I2S 0x08 169 #define TUMBLER_MCR_W 0x03 /* Serial port word length */ 170 #define TUMBLER_MCR_W_16 0x00 /* 16 bit */ 171 #define TUMBLER_MCR_W_18 0x01 /* 18 bit */ 172 #define TUMBLER_MCR_W_20 0x02 /* 20 bit */ 173 #define TUMBLER_DRC_COMP_31 0xc0 /* 3:1 compression */ 174 #define TUMBLER_DRC_ENABLE 0x01 /* enable DRC */ 175 #define TUMBLER_DRC_DEFL_TH 0xa0 /* default compression threshold */ 176 177 /* 178 * Tumbler codec. 179 */ 180 181 struct tumbler_reg { 182 u_char MCR[1]; 183 u_char DRC[2]; 184 u_char VOLUME[6]; 185 u_char TREBLE[1]; 186 u_char BASS[1]; 187 u_char MIXER1[3]; 188 u_char MIXER2[3]; 189 u_char LB0[15]; 190 u_char LB1[15]; 191 u_char LB2[15]; 192 u_char LB3[15]; 193 u_char LB4[15]; 194 u_char LB5[15]; 195 u_char RB0[15]; 196 u_char RB1[15]; 197 u_char RB2[15]; 198 u_char RB3[15]; 199 u_char RB4[15]; 200 u_char RB5[15]; 201 }; 202 203 const struct tumbler_reg tumbler_initdata = { 204 { TUMBLER_MCR_SC_64 | TUMBLER_MCR_SM_I2S | 205 TUMBLER_MCR_ISM_I2S | TUMBLER_MCR_W_16 }, /* MCR */ 206 { TUMBLER_DRC_COMP_31, TUMBLER_DRC_DEFL_TH }, /* DRC */ 207 { 0, 0, 0, 0, 0, 0 }, /* VOLUME */ 208 { 0x72 }, /* TREBLE */ 209 { 0x3e }, /* BASS */ 210 { 0x10, 0x00, 0x00 }, /* MIXER1 */ 211 { 0x00, 0x00, 0x00 }, /* MIXER2 */ 212 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 213 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 214 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 215 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 216 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 217 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 218 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 219 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 220 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 221 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 222 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 223 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* BIQUAD */ 224 }; 225 226 const char tumbler_regsize[] = { 227 0, /* 0x00 */ 228 sizeof tumbler_initdata.MCR, /* 0x01 */ 229 sizeof tumbler_initdata.DRC, /* 0x02 */ 230 0, /* 0x03 */ 231 sizeof tumbler_initdata.VOLUME, /* 0x04 */ 232 sizeof tumbler_initdata.TREBLE, /* 0x05 */ 233 sizeof tumbler_initdata.BASS, /* 0x06 */ 234 sizeof tumbler_initdata.MIXER1, /* 0x07 */ 235 sizeof tumbler_initdata.MIXER2, /* 0x08 */ 236 0, /* 0x09 */ 237 sizeof tumbler_initdata.LB0, /* 0x0a */ 238 sizeof tumbler_initdata.LB1, /* 0x0b */ 239 sizeof tumbler_initdata.LB2, /* 0x0c */ 240 sizeof tumbler_initdata.LB3, /* 0x0d */ 241 sizeof tumbler_initdata.LB4, /* 0x0e */ 242 sizeof tumbler_initdata.LB5, /* 0x0f */ 243 0, /* 0x10 */ 244 0, /* 0x11 */ 245 0, /* 0x12 */ 246 sizeof tumbler_initdata.RB0, /* 0x13 */ 247 sizeof tumbler_initdata.RB1, /* 0x14 */ 248 sizeof tumbler_initdata.RB2, /* 0x15 */ 249 sizeof tumbler_initdata.RB3, /* 0x16 */ 250 sizeof tumbler_initdata.RB4, /* 0x17 */ 251 sizeof tumbler_initdata.RB5 /* 0x18 */ 252 }; 253 254 /* dB = 20 * log (x) table. */ 255 static u_int tumbler_volume_table[100] = { 256 0x00000148, 0x0000015C, 0x00000171, 0x00000186, // -46.0, -45.5, -45.0, -44.5, 257 0x0000019E, 0x000001B6, 0x000001D0, 0x000001EB, // -44.0, -43.5, -43.0, -42.5, 258 0x00000209, 0x00000227, 0x00000248, 0x0000026B, // -42.0, -41.5, -41.0, -40.5, 259 0x0000028F, 0x000002B6, 0x000002DF, 0x0000030B, // -40.0, -39.5, -39.0, -38.5, 260 0x00000339, 0x0000036A, 0x0000039E, 0x000003D5, // -38.0, -37.5, -37.0, -36.5, 261 0x0000040F, 0x0000044C, 0x0000048D, 0x000004D2, // -36.0, -35.5, -35.0, -34.5, 262 0x0000051C, 0x00000569, 0x000005BB, 0x00000612, // -34.0, -33.5, -33.0, -32.5, 263 0x0000066E, 0x000006D0, 0x00000737, 0x000007A5, // -32.0, -31.5, -31.0, -30.5, 264 0x00000818, 0x00000893, 0x00000915, 0x0000099F, // -30.0, -29.5, -29.0, -28.5, 265 0x00000A31, 0x00000ACC, 0x00000B6F, 0x00000C1D, // -28.0, -27.5, -27.0, -26.5, 266 0x00000CD5, 0x00000D97, 0x00000E65, 0x00000F40, // -26.0, -25.5, -25.0, -24.5, 267 0x00001027, 0x0000111C, 0x00001220, 0x00001333, // -24.0, -23.5, -23.0, -22.5, 268 0x00001456, 0x0000158A, 0x000016D1, 0x0000182B, // -22.0, -21.5, -21.0, -20.5, 269 0x0000199A, 0x00001B1E, 0x00001CB9, 0x00001E6D, // -20.0, -19.5, -19.0, -18.5, 270 0x0000203A, 0x00002223, 0x00002429, 0x0000264E, // -18.0, -17.5, -17.0, -16.5, 271 0x00002893, 0x00002AFA, 0x00002D86, 0x00003039, // -16.0, -15.5, -15.0, -14.5, 272 0x00003314, 0x0000361B, 0x00003950, 0x00003CB5, // -14.0, -13.5, -13.0, -12.5, 273 0x0000404E, 0x0000441D, 0x00004827, 0x00004C6D, // -12.0, -11.5, -11.0, -10.5, 274 0x000050F4, 0x000055C0, 0x00005AD5, 0x00006037, // -10.0, -9.5, -9.0, -8.5, 275 0x000065EA, 0x00006BF4, 0x0000725A, 0x00007920, // -8.0, -7.5, -7.0, -6.5, 276 0x0000804E, 0x000087EF, 0x00008FF6, 0x0000987D, // -6.0, -5.5, -5.0, -4.5, 277 0x0000A186, 0x0000AB19, 0x0000B53C, 0x0000BFF9, // -4.0, -3.5, -3.0, -2.5, 278 0x0000CB59, 0x0000D766, 0x0000E429, 0x0000F1AE, // -2.0, -1.5, -1.0, -0.5, 279 0x00010000, 0x00010F2B, 0x00011F3D, 0x00013042, // 0.0, +0.5, +1.0, +1.5, 280 0x00014249, 0x00015562, 0x0001699C, 0x00017F09 // 2.0, +2.5, +3.0, +3.5, 281 }; 282 283 static int 284 tumbler_write(struct tumbler_softc *sc, uint8_t reg, const void *data) 285 { 286 u_int size; 287 uint8_t buf[16]; 288 289 struct iic_msg msg[] = { 290 { sc->sc_addr, IIC_M_WR, 0, buf } 291 }; 292 293 KASSERT(reg < sizeof(tumbler_regsize), ("bad reg")); 294 size = tumbler_regsize[reg]; 295 msg[0].len = size + 1; 296 buf[0] = reg; 297 memcpy(&buf[1], data, size); 298 299 iicbus_transfer(sc->sc_dev, msg, 1); 300 301 return (0); 302 } 303 304 static int 305 tumbler_probe(device_t dev) 306 { 307 const char *name; 308 309 name = ofw_bus_get_name(dev); 310 if (name == NULL) 311 return (ENXIO); 312 313 if (strcmp(name, "deq") == 0 && iicbus_get_addr(dev) == 314 TUMBLER_IICADDR) { 315 device_set_desc(dev, "Texas Instruments TAS3001 Audio Codec"); 316 return (0); 317 } 318 319 return (ENXIO); 320 } 321 322 static int 323 tumbler_attach(device_t dev) 324 { 325 struct tumbler_softc *sc; 326 327 sc = device_get_softc(dev); 328 sc->sc_dev = dev; 329 sc->sc_addr = iicbus_get_addr(dev); 330 331 i2s_mixer_class = &tumbler_mixer_class; 332 i2s_mixer = dev; 333 334 return (0); 335 } 336 337 static int 338 tumbler_init(struct snd_mixer *m) 339 { 340 struct tumbler_softc *sc; 341 u_int x = 0; 342 343 sc = device_get_softc(mix_getdevinfo(m)); 344 345 tumbler_write(sc, TUMBLER_LB0, tumbler_initdata.LB0); 346 tumbler_write(sc, TUMBLER_LB1, tumbler_initdata.LB1); 347 tumbler_write(sc, TUMBLER_LB2, tumbler_initdata.LB2); 348 tumbler_write(sc, TUMBLER_LB3, tumbler_initdata.LB3); 349 tumbler_write(sc, TUMBLER_LB4, tumbler_initdata.LB4); 350 tumbler_write(sc, TUMBLER_LB5, tumbler_initdata.LB5); 351 tumbler_write(sc, TUMBLER_RB0, tumbler_initdata.RB0); 352 tumbler_write(sc, TUMBLER_RB1, tumbler_initdata.RB1); 353 tumbler_write(sc, TUMBLER_RB1, tumbler_initdata.RB1); 354 tumbler_write(sc, TUMBLER_RB2, tumbler_initdata.RB2); 355 tumbler_write(sc, TUMBLER_RB3, tumbler_initdata.RB3); 356 tumbler_write(sc, TUMBLER_RB4, tumbler_initdata.RB4); 357 tumbler_write(sc, TUMBLER_RB5, tumbler_initdata.RB5); 358 tumbler_write(sc, TUMBLER_MCR, tumbler_initdata.MCR); 359 tumbler_write(sc, TUMBLER_DRC, tumbler_initdata.DRC); 360 tumbler_write(sc, TUMBLER_VOLUME, tumbler_initdata.VOLUME); 361 tumbler_write(sc, TUMBLER_TREBLE, tumbler_initdata.TREBLE); 362 tumbler_write(sc, TUMBLER_BASS, tumbler_initdata.BASS); 363 tumbler_write(sc, TUMBLER_MIXER1, tumbler_initdata.MIXER1); 364 tumbler_write(sc, TUMBLER_MIXER2, tumbler_initdata.MIXER2); 365 366 x |= SOUND_MASK_VOLUME; 367 mix_setdevs(m, x); 368 369 return (0); 370 } 371 372 static int 373 tumbler_uninit(struct snd_mixer *m) 374 { 375 return (0); 376 } 377 378 static int 379 tumbler_reinit(struct snd_mixer *m) 380 { 381 return (0); 382 } 383 384 static int 385 tumbler_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 386 { 387 struct tumbler_softc *sc; 388 struct mtx *mixer_lock; 389 int locked; 390 u_int l, r; 391 u_char reg[6]; 392 393 sc = device_get_softc(mix_getdevinfo(m)); 394 mixer_lock = mixer_get_lock(m); 395 locked = mtx_owned(mixer_lock); 396 397 switch (dev) { 398 case SOUND_MIXER_VOLUME: 399 if (left > 100 || right > 100) 400 return (0); 401 402 l = (left == 0 ? 0 : tumbler_volume_table[left - 1]); 403 r = (right == 0 ? 0 : tumbler_volume_table[right - 1]); 404 405 reg[0] = (l & 0xff0000) >> 16; 406 reg[1] = (l & 0x00ff00) >> 8; 407 reg[2] = l & 0x0000ff; 408 reg[3] = (r & 0xff0000) >> 16; 409 reg[4] = (r & 0x00ff00) >> 8; 410 reg[5] = r & 0x0000ff; 411 412 /* 413 * We need to unlock the mixer lock because iicbus_transfer() 414 * may sleep. The mixer lock itself is unnecessary here 415 * because it is meant to serialize hardware access, which 416 * is taken care of by the I2C layer, so this is safe. 417 */ 418 419 if (locked) 420 mtx_unlock(mixer_lock); 421 422 tumbler_write(sc, TUMBLER_VOLUME, reg); 423 424 if (locked) 425 mtx_lock(mixer_lock); 426 427 return (left | (right << 8)); 428 } 429 430 return (0); 431 } 432 433 static u_int32_t 434 tumbler_setrecsrc(struct snd_mixer *m, u_int32_t src) 435 { 436 return (0); 437 } 438
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