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/snapper.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause 3 * 4 * Copyright 2008 by Marco Trillo. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 /*- 30 * Copyright (c) 2002, 2003 Tsubai Masanari. All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 3. The name of the author may not be used to endorse or promote products 41 * derived from this software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 44 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 45 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 46 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 47 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 * 54 * NetBSD: snapper.c,v 1.28 2008/05/16 03:49:54 macallan Exp 55 * Id: snapper.c,v 1.11 2002/10/31 17:42:13 tsubai Exp 56 */ 57 58 /* 59 * Apple Snapper audio. 60 */ 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/kernel.h> 65 #include <sys/module.h> 66 #include <sys/bus.h> 67 #include <sys/malloc.h> 68 #include <sys/lock.h> 69 #include <sys/mutex.h> 70 #include <machine/dbdma.h> 71 #include <machine/intr_machdep.h> 72 #include <machine/resource.h> 73 #include <machine/bus.h> 74 #include <machine/pio.h> 75 #include <sys/rman.h> 76 77 #include <dev/iicbus/iicbus.h> 78 #include <dev/iicbus/iiconf.h> 79 #include <dev/ofw/ofw_bus.h> 80 81 #ifdef HAVE_KERNEL_OPTION_HEADERS 82 #include "opt_snd.h" 83 #endif 84 85 #include <dev/sound/pcm/sound.h> 86 87 #include "mixer_if.h" 88 89 extern kobj_class_t i2s_mixer_class; 90 extern device_t i2s_mixer; 91 92 struct snapper_softc 93 { 94 device_t sc_dev; 95 uint32_t sc_addr; 96 }; 97 98 static int snapper_probe(device_t); 99 static int snapper_attach(device_t); 100 static int snapper_init(struct snd_mixer *m); 101 static int snapper_uninit(struct snd_mixer *m); 102 static int snapper_reinit(struct snd_mixer *m); 103 static int snapper_set(struct snd_mixer *m, unsigned dev, unsigned left, 104 unsigned right); 105 static u_int32_t snapper_setrecsrc(struct snd_mixer *m, u_int32_t src); 106 107 static device_method_t snapper_methods[] = { 108 /* Device interface. */ 109 DEVMETHOD(device_probe, snapper_probe), 110 DEVMETHOD(device_attach, snapper_attach), 111 { 0, 0 } 112 }; 113 114 static driver_t snapper_driver = { 115 "snapper", 116 snapper_methods, 117 sizeof(struct snapper_softc) 118 }; 119 120 DRIVER_MODULE(snapper, iicbus, snapper_driver, 0, 0); 121 MODULE_VERSION(snapper, 1); 122 MODULE_DEPEND(snapper, iicbus, 1, 1, 1); 123 124 static kobj_method_t snapper_mixer_methods[] = { 125 KOBJMETHOD(mixer_init, snapper_init), 126 KOBJMETHOD(mixer_uninit, snapper_uninit), 127 KOBJMETHOD(mixer_reinit, snapper_reinit), 128 KOBJMETHOD(mixer_set, snapper_set), 129 KOBJMETHOD(mixer_setrecsrc, snapper_setrecsrc), 130 KOBJMETHOD_END 131 }; 132 133 MIXER_DECLARE(snapper_mixer); 134 135 #define SNAPPER_IICADDR 0x6a /* Hard-coded I2C slave addr */ 136 137 /* Snapper (Texas Instruments TAS3004) registers. */ 138 #define SNAPPER_MCR1 0x01 /* Main control register 1 (1byte) */ 139 #define SNAPPER_DRC 0x02 /* Dynamic range compression (6bytes) */ 140 #define SNAPPER_VOLUME 0x04 /* Volume (6bytes) */ 141 #define SNAPPER_TREBLE 0x05 /* Treble control (1byte) */ 142 #define SNAPPER_BASS 0x06 /* Bass control (1byte) */ 143 #define SNAPPER_MIXER_L 0x07 /* Mixer left gain (9bytes) */ 144 #define SNAPPER_MIXER_R 0x08 /* Mixer right gain (9bytes) */ 145 #define SNAPPER_LB0 0x0a /* Left biquad 0 (15bytes) */ 146 #define SNAPPER_LB1 0x0b /* Left biquad 1 (15bytes) */ 147 #define SNAPPER_LB2 0x0c /* Left biquad 2 (15bytes) */ 148 #define SNAPPER_LB3 0x0d /* Left biquad 3 (15bytes) */ 149 #define SNAPPER_LB4 0x0e /* Left biquad 4 (15bytes) */ 150 #define SNAPPER_LB5 0x0f /* Left biquad 5 (15bytes) */ 151 #define SNAPPER_LB6 0x10 /* Left biquad 6 (15bytes) */ 152 #define SNAPPER_RB0 0x13 /* Right biquad 0 (15bytes) */ 153 #define SNAPPER_RB1 0x14 /* Right biquad 1 (15bytes) */ 154 #define SNAPPER_RB2 0x15 /* Right biquad 2 (15bytes) */ 155 #define SNAPPER_RB3 0x16 /* Right biquad 3 (15bytes) */ 156 #define SNAPPER_RB4 0x17 /* Right biquad 4 (15bytes) */ 157 #define SNAPPER_RB5 0x18 /* Right biquad 5 (15bytes) */ 158 #define SNAPPER_RB6 0x19 /* Right biquad 6 (15bytes) */ 159 #define SNAPPER_LLB 0x21 /* Left loudness biquad (15bytes) */ 160 #define SNAPPER_RLB 0x22 /* Right loudness biquad (15bytes) */ 161 #define SNAPPER_LLB_GAIN 0x23 /* Left loudness biquad gain (3bytes) */ 162 #define SNAPPER_RLB_GAIN 0x24 /* Right loudness biquad gain (3bytes) */ 163 #define SNAPPER_ACR 0x40 /* Analog control register (1byte) */ 164 #define SNAPPER_MCR2 0x43 /* Main control register 2 (1byte) */ 165 #define SNAPPER_MCR1_FL 0x80 /* Fast load */ 166 #define SNAPPER_MCR1_SC 0x40 /* SCLK frequency */ 167 #define SNAPPER_MCR1_SC_32 0x00 /* 32fs */ 168 #define SNAPPER_MCR1_SC_64 0x40 /* 64fs */ 169 #define SNAPPER_MCR1_SM 0x30 /* Output serial port mode */ 170 #define SNAPPER_MCR1_SM_L 0x00 /* Left justified */ 171 #define SNAPPER_MCR1_SM_R 0x10 /* Right justified */ 172 #define SNAPPER_MCR1_SM_I2S 0x20 /* I2S */ 173 #define SNAPPER_MCR1_W 0x03 /* Serial port word length */ 174 #define SNAPPER_MCR1_W_16 0x00 /* 16 bit */ 175 #define SNAPPER_MCR1_W_18 0x01 /* 18 bit */ 176 #define SNAPPER_MCR1_W_20 0x02 /* 20 bit */ 177 #define SNAPPER_MCR1_W_24 0x03 /* 24 bit */ 178 #define SNAPPER_MCR2_DL 0x80 /* Download */ 179 #define SNAPPER_MCR2_AP 0x02 /* All pass mode */ 180 #define SNAPPER_ACR_ADM 0x80 /* ADC output mode */ 181 #define SNAPPER_ACR_LRB 0x40 /* Select B input */ 182 #define SNAPPER_ACR_DM 0x0c /* De-emphasis control */ 183 #define SNAPPER_ACR_DM_OFF 0x00 /* off */ 184 #define SNAPPER_ACR_DM_48 0x04 /* fs = 48kHz */ 185 #define SNAPPER_ACR_DM_44 0x08 /* fs = 44.1kHz */ 186 #define SNAPPER_ACR_INP 0x02 /* Analog input select */ 187 #define SNAPPER_ACR_INP_A 0x00 /* A */ 188 #define SNAPPER_ACR_INP_B 0x02 /* B */ 189 #define SNAPPER_ACR_APD 0x01 /* Analog power down */ 190 191 struct snapper_reg { 192 u_char MCR1[1]; 193 u_char DRC[6]; 194 u_char VOLUME[6]; 195 u_char TREBLE[1]; 196 u_char BASS[1]; 197 u_char MIXER_L[9]; 198 u_char MIXER_R[9]; 199 u_char LB0[15]; 200 u_char LB1[15]; 201 u_char LB2[15]; 202 u_char LB3[15]; 203 u_char LB4[15]; 204 u_char LB5[15]; 205 u_char LB6[15]; 206 u_char RB0[15]; 207 u_char RB1[15]; 208 u_char RB2[15]; 209 u_char RB3[15]; 210 u_char RB4[15]; 211 u_char RB5[15]; 212 u_char RB6[15]; 213 u_char LLB[15]; 214 u_char RLB[15]; 215 u_char LLB_GAIN[3]; 216 u_char RLB_GAIN[3]; 217 u_char ACR[1]; 218 u_char MCR2[1]; 219 }; 220 221 static const struct snapper_reg snapper_initdata = { 222 { SNAPPER_MCR1_SC_64 | SNAPPER_MCR1_SM_I2S | 223 SNAPPER_MCR1_W_16 }, /* MCR1 */ 224 { 1, 0, 0, 0, 0, 0 }, /* DRC */ 225 { 0, 0, 0, 0, 0, 0 }, /* VOLUME */ 226 { 0x72 }, /* TREBLE */ 227 { 0x72 }, /* BASS */ 228 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_L */ 229 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_R */ 230 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 231 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 232 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 233 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 234 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 235 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 236 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 237 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 238 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 239 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 240 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 241 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 242 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 243 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 244 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 245 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */ 246 { 0, 0, 0 }, /* LLB_GAIN */ 247 { 0, 0, 0 }, /* RLB_GAIN */ 248 { SNAPPER_ACR_ADM | SNAPPER_ACR_LRB | SNAPPER_ACR_INP_B },/* ACR */ 249 { SNAPPER_MCR2_AP } /* MCR2 */ 250 }; 251 252 static const char snapper_regsize[] = { 253 0, /* 0x00 */ 254 sizeof snapper_initdata.MCR1, /* 0x01 */ 255 sizeof snapper_initdata.DRC, /* 0x02 */ 256 0, /* 0x03 */ 257 sizeof snapper_initdata.VOLUME, /* 0x04 */ 258 sizeof snapper_initdata.TREBLE, /* 0x05 */ 259 sizeof snapper_initdata.BASS, /* 0x06 */ 260 sizeof snapper_initdata.MIXER_L, /* 0x07 */ 261 sizeof snapper_initdata.MIXER_R, /* 0x08 */ 262 0, /* 0x09 */ 263 sizeof snapper_initdata.LB0, /* 0x0a */ 264 sizeof snapper_initdata.LB1, /* 0x0b */ 265 sizeof snapper_initdata.LB2, /* 0x0c */ 266 sizeof snapper_initdata.LB3, /* 0x0d */ 267 sizeof snapper_initdata.LB4, /* 0x0e */ 268 sizeof snapper_initdata.LB5, /* 0x0f */ 269 sizeof snapper_initdata.LB6, /* 0x10 */ 270 0, /* 0x11 */ 271 0, /* 0x12 */ 272 sizeof snapper_initdata.RB0, /* 0x13 */ 273 sizeof snapper_initdata.RB1, /* 0x14 */ 274 sizeof snapper_initdata.RB2, /* 0x15 */ 275 sizeof snapper_initdata.RB3, /* 0x16 */ 276 sizeof snapper_initdata.RB4, /* 0x17 */ 277 sizeof snapper_initdata.RB5, /* 0x18 */ 278 sizeof snapper_initdata.RB6, /* 0x19 */ 279 0,0,0,0, 0,0, 280 0, /* 0x20 */ 281 sizeof snapper_initdata.LLB, /* 0x21 */ 282 sizeof snapper_initdata.RLB, /* 0x22 */ 283 sizeof snapper_initdata.LLB_GAIN, /* 0x23 */ 284 sizeof snapper_initdata.RLB_GAIN, /* 0x24 */ 285 0,0,0,0, 0,0,0,0, 0,0,0, 286 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 287 sizeof snapper_initdata.ACR, /* 0x40 */ 288 0, /* 0x41 */ 289 0, /* 0x42 */ 290 sizeof snapper_initdata.MCR2 /* 0x43 */ 291 }; 292 293 /* dB = 20 * log (x) table. */ 294 static u_int snapper_volume_table[100] = { 295 0x00000148, 0x0000015C, 0x00000171, 0x00000186, // -46.0, -45.5, -45.0, -44.5, 296 0x0000019E, 0x000001B6, 0x000001D0, 0x000001EB, // -44.0, -43.5, -43.0, -42.5, 297 0x00000209, 0x00000227, 0x00000248, 0x0000026B, // -42.0, -41.5, -41.0, -40.5, 298 0x0000028F, 0x000002B6, 0x000002DF, 0x0000030B, // -40.0, -39.5, -39.0, -38.5, 299 0x00000339, 0x0000036A, 0x0000039E, 0x000003D5, // -38.0, -37.5, -37.0, -36.5, 300 0x0000040F, 0x0000044C, 0x0000048D, 0x000004D2, // -36.0, -35.5, -35.0, -34.5, 301 0x0000051C, 0x00000569, 0x000005BB, 0x00000612, // -34.0, -33.5, -33.0, -32.5, 302 0x0000066E, 0x000006D0, 0x00000737, 0x000007A5, // -32.0, -31.5, -31.0, -30.5, 303 0x00000818, 0x00000893, 0x00000915, 0x0000099F, // -30.0, -29.5, -29.0, -28.5, 304 0x00000A31, 0x00000ACC, 0x00000B6F, 0x00000C1D, // -28.0, -27.5, -27.0, -26.5, 305 0x00000CD5, 0x00000D97, 0x00000E65, 0x00000F40, // -26.0, -25.5, -25.0, -24.5, 306 0x00001027, 0x0000111C, 0x00001220, 0x00001333, // -24.0, -23.5, -23.0, -22.5, 307 0x00001456, 0x0000158A, 0x000016D1, 0x0000182B, // -22.0, -21.5, -21.0, -20.5, 308 0x0000199A, 0x00001B1E, 0x00001CB9, 0x00001E6D, // -20.0, -19.5, -19.0, -18.5, 309 0x0000203A, 0x00002223, 0x00002429, 0x0000264E, // -18.0, -17.5, -17.0, -16.5, 310 0x00002893, 0x00002AFA, 0x00002D86, 0x00003039, // -16.0, -15.5, -15.0, -14.5, 311 0x00003314, 0x0000361B, 0x00003950, 0x00003CB5, // -14.0, -13.5, -13.0, -12.5, 312 0x0000404E, 0x0000441D, 0x00004827, 0x00004C6D, // -12.0, -11.5, -11.0, -10.5, 313 0x000050F4, 0x000055C0, 0x00005AD5, 0x00006037, // -10.0, -9.5, -9.0, -8.5, 314 0x000065EA, 0x00006BF4, 0x0000725A, 0x00007920, // -8.0, -7.5, -7.0, -6.5, 315 0x0000804E, 0x000087EF, 0x00008FF6, 0x0000987D, // -6.0, -5.5, -5.0, -4.5, 316 0x0000A186, 0x0000AB19, 0x0000B53C, 0x0000BFF9, // -4.0, -3.5, -3.0, -2.5, 317 0x0000CB59, 0x0000D766, 0x0000E429, 0x0000F1AE, // -2.0, -1.5, -1.0, -0.5, 318 0x00010000, 0x00010F2B, 0x00011F3D, 0x00013042, // 0.0, +0.5, +1.0, +1.5, 319 0x00014249, 0x00015562, 0x0001699C, 0x00017F09 // 2.0, +2.5, +3.0, +3.5, 320 }; 321 322 static int 323 snapper_write(struct snapper_softc *sc, uint8_t reg, const void *data) 324 { 325 u_int size; 326 uint8_t buf[16]; 327 328 struct iic_msg msg[] = { 329 { sc->sc_addr, IIC_M_WR, 0, buf } 330 }; 331 332 KASSERT(reg < sizeof(snapper_regsize), ("bad reg")); 333 size = snapper_regsize[reg]; 334 msg[0].len = size + 1; 335 buf[0] = reg; 336 memcpy(&buf[1], data, size); 337 338 iicbus_transfer(sc->sc_dev, msg, 1); 339 340 return (0); 341 } 342 343 static int 344 snapper_probe(device_t dev) 345 { 346 const char *name, *compat; 347 348 name = ofw_bus_get_name(dev); 349 if (name == NULL) 350 return (ENXIO); 351 352 if (strcmp(name, "deq") == 0) { 353 if (iicbus_get_addr(dev) != SNAPPER_IICADDR) 354 return (ENXIO); 355 } else if (strcmp(name, "codec") == 0) { 356 compat = ofw_bus_get_compat(dev); 357 if (compat == NULL || strcmp(compat, "tas3004") != 0) 358 return (ENXIO); 359 } else { 360 return (ENXIO); 361 } 362 363 device_set_desc(dev, "Texas Instruments TAS3004 Audio Codec"); 364 return (0); 365 } 366 367 static int 368 snapper_attach(device_t dev) 369 { 370 struct snapper_softc *sc; 371 372 sc = device_get_softc(dev); 373 sc->sc_dev = dev; 374 sc->sc_addr = iicbus_get_addr(dev); 375 376 i2s_mixer_class = &snapper_mixer_class; 377 i2s_mixer = dev; 378 379 return (0); 380 } 381 382 static int 383 snapper_init(struct snd_mixer *m) 384 { 385 struct snapper_softc *sc; 386 u_int x = 0; 387 388 sc = device_get_softc(mix_getdevinfo(m)); 389 390 snapper_write(sc, SNAPPER_LB0, snapper_initdata.LB0); 391 snapper_write(sc, SNAPPER_LB1, snapper_initdata.LB1); 392 snapper_write(sc, SNAPPER_LB2, snapper_initdata.LB2); 393 snapper_write(sc, SNAPPER_LB3, snapper_initdata.LB3); 394 snapper_write(sc, SNAPPER_LB4, snapper_initdata.LB4); 395 snapper_write(sc, SNAPPER_LB5, snapper_initdata.LB5); 396 snapper_write(sc, SNAPPER_LB6, snapper_initdata.LB6); 397 snapper_write(sc, SNAPPER_RB0, snapper_initdata.RB0); 398 snapper_write(sc, SNAPPER_RB1, snapper_initdata.RB1); 399 snapper_write(sc, SNAPPER_RB1, snapper_initdata.RB1); 400 snapper_write(sc, SNAPPER_RB2, snapper_initdata.RB2); 401 snapper_write(sc, SNAPPER_RB3, snapper_initdata.RB3); 402 snapper_write(sc, SNAPPER_RB4, snapper_initdata.RB4); 403 snapper_write(sc, SNAPPER_RB5, snapper_initdata.RB5); 404 snapper_write(sc, SNAPPER_RB6, snapper_initdata.RB6); 405 snapper_write(sc, SNAPPER_MCR1, snapper_initdata.MCR1); 406 snapper_write(sc, SNAPPER_MCR2, snapper_initdata.MCR2); 407 snapper_write(sc, SNAPPER_DRC, snapper_initdata.DRC); 408 snapper_write(sc, SNAPPER_VOLUME, snapper_initdata.VOLUME); 409 snapper_write(sc, SNAPPER_TREBLE, snapper_initdata.TREBLE); 410 snapper_write(sc, SNAPPER_BASS, snapper_initdata.BASS); 411 snapper_write(sc, SNAPPER_MIXER_L, snapper_initdata.MIXER_L); 412 snapper_write(sc, SNAPPER_MIXER_R, snapper_initdata.MIXER_R); 413 snapper_write(sc, SNAPPER_LLB, snapper_initdata.LLB); 414 snapper_write(sc, SNAPPER_RLB, snapper_initdata.RLB); 415 snapper_write(sc, SNAPPER_LLB_GAIN, snapper_initdata.LLB_GAIN); 416 snapper_write(sc, SNAPPER_RLB_GAIN, snapper_initdata.RLB_GAIN); 417 snapper_write(sc, SNAPPER_ACR, snapper_initdata.ACR); 418 419 x |= SOUND_MASK_VOLUME; 420 mix_setdevs(m, x); 421 422 return (0); 423 } 424 425 static int 426 snapper_uninit(struct snd_mixer *m) 427 { 428 return (0); 429 } 430 431 static int 432 snapper_reinit(struct snd_mixer *m) 433 { 434 return (0); 435 } 436 437 static int 438 snapper_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 439 { 440 struct snapper_softc *sc; 441 struct mtx *mixer_lock; 442 int locked; 443 u_int l, r; 444 u_char reg[6]; 445 446 sc = device_get_softc(mix_getdevinfo(m)); 447 mixer_lock = mixer_get_lock(m); 448 locked = mtx_owned(mixer_lock); 449 450 if (left > 100 || right > 100) 451 return (0); 452 453 l = (left == 0) ? 0 : snapper_volume_table[left - 1]; 454 r = (right == 0) ? 0 : snapper_volume_table[right - 1]; 455 456 switch (dev) { 457 case SOUND_MIXER_VOLUME: 458 reg[0] = (l & 0xff0000) >> 16; 459 reg[1] = (l & 0x00ff00) >> 8; 460 reg[2] = l & 0x0000ff; 461 reg[3] = (r & 0xff0000) >> 16; 462 reg[4] = (r & 0x00ff00) >> 8; 463 reg[5] = r & 0x0000ff; 464 465 /* 466 * We need to unlock the mixer lock because iicbus_transfer() 467 * may sleep. The mixer lock itself is unnecessary here 468 * because it is meant to serialize hardware access, which 469 * is taken care of by the I2C layer, so this is safe. 470 */ 471 472 if (locked) 473 mtx_unlock(mixer_lock); 474 475 snapper_write(sc, SNAPPER_VOLUME, reg); 476 477 if (locked) 478 mtx_lock(mixer_lock); 479 480 return (left | (right << 8)); 481 } 482 483 return (0); 484 } 485 486 static u_int32_t 487 snapper_setrecsrc(struct snd_mixer *m, u_int32_t src) 488 { 489 return (0); 490 }
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