1/* 2 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 3 * 4 * Lowlevel functions for AudioTrak Prodigy 192 cards 5 * Supported IEC958 input from optional MI/ODI/O add-on card. 6 * 7 * Specifics (SW, HW): 8 * ------------------- 9 * * 49.5MHz crystal 10 * * SPDIF-OUT on the card: 11 * - coax (through isolation transformer)/toslink supplied by 12 * 74HC04 gates - 3 in parallel 13 * - output switched between on-board CD drive dig-out connector 14 * and ice1724 SPDTX pin, using 74HC02 NOR gates, controlled 15 * by GPIO20 (0 = CD dig-out, 1 = SPDTX) 16 * * SPDTX goes straight to MI/ODI/O card's SPDIF-OUT coax 17 * 18 * * MI/ODI/O card: AK4114 based, used for iec958 input only 19 * - toslink input -> RX0 20 * - coax input -> RX1 21 * - 4wire protocol: 22 * AK4114 ICE1724 23 * ------------------------------ 24 * CDTO (pin 32) -- GPIO11 pin 86 25 * CDTI (pin 33) -- GPIO10 pin 77 26 * CCLK (pin 34) -- GPIO9 pin 76 27 * CSN (pin 35) -- GPIO8 pin 75 28 * - output data Mode 7 (24bit, I2S, slave) 29 * - both MCKO1 and MCKO2 of ak4114 are fed to FPGA, which 30 * outputs master clock to SPMCLKIN of ice1724. 31 * Experimentally I found out that only a combination of 32 * OCKS0=1, OCKS1=1 (128fs, 64fs output) and ice1724 - 33 * VT1724_MT_I2S_MCLK_128X=0 (256fs input) yields correct 34 * sampling rate. That means the the FPGA doubles the 35 * MCK01 rate. 36 * 37 * Copyright (c) 2003 Takashi Iwai <tiwai@suse.de> 38 * Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca> 39 * Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp> 40 * 41 * This program is free software; you can redistribute it and/or modify 42 * it under the terms of the GNU General Public License as published by 43 * the Free Software Foundation; either version 2 of the License, or 44 * (at your option) any later version. 45 * 46 * This program is distributed in the hope that it will be useful, 47 * but WITHOUT ANY WARRANTY; without even the implied warranty of 48 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 49 * GNU General Public License for more details. 50 * 51 * You should have received a copy of the GNU General Public License 52 * along with this program; if not, write to the Free Software 53 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 54 * 55 */ 56 57#include <linux/delay.h> 58#include <linux/interrupt.h> 59#include <linux/init.h> 60#include <linux/slab.h> 61#include <sound/core.h> 62 63#include "ice1712.h" 64#include "envy24ht.h" 65#include "prodigy192.h" 66#include "stac946x.h" 67#include <sound/tlv.h> 68 69struct prodigy192_spec { 70 struct ak4114 *ak4114; 71 /* rate change needs atomic mute/unmute of all dacs*/ 72 struct mutex mute_mutex; 73}; 74 75static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val) 76{ 77 snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val); 78} 79 80static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg) 81{ 82 return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg); 83} 84 85/* 86 * DAC mute control 87 */ 88 89/* 90 * idx = STAC9460 volume register number, mute: 0 = mute, 1 = unmute 91 */ 92static int stac9460_dac_mute(struct snd_ice1712 *ice, int idx, 93 unsigned char mute) 94{ 95 unsigned char new, old; 96 int change; 97 old = stac9460_get(ice, idx); 98 new = (~mute << 7 & 0x80) | (old & ~0x80); 99 change = (new != old); 100 if (change) 101 /* dev_dbg(ice->card->dev, "Volume register 0x%02x: 0x%02x\n", idx, new);*/ 102 stac9460_put(ice, idx, new); 103 return change; 104} 105 106#define stac9460_dac_mute_info snd_ctl_boolean_mono_info 107 108static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 109{ 110 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 111 unsigned char val; 112 int idx; 113 114 if (kcontrol->private_value) 115 idx = STAC946X_MASTER_VOLUME; 116 else 117 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 118 val = stac9460_get(ice, idx); 119 ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; 120 return 0; 121} 122 123static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 124{ 125 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 126 struct prodigy192_spec *spec = ice->spec; 127 int idx, change; 128 129 if (kcontrol->private_value) 130 idx = STAC946X_MASTER_VOLUME; 131 else 132 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 133 /* due to possible conflicts with stac9460_set_rate_val, mutexing */ 134 mutex_lock(&spec->mute_mutex); 135 /* 136 dev_dbg(ice->card->dev, "Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx, 137 ucontrol->value.integer.value[0]); 138 */ 139 change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]); 140 mutex_unlock(&spec->mute_mutex); 141 return change; 142} 143 144/* 145 * DAC volume attenuation mixer control 146 */ 147static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 148{ 149 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 150 uinfo->count = 1; 151 uinfo->value.integer.min = 0; /* mute */ 152 uinfo->value.integer.max = 0x7f; /* 0dB */ 153 return 0; 154} 155 156static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 157{ 158 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 159 int idx; 160 unsigned char vol; 161 162 if (kcontrol->private_value) 163 idx = STAC946X_MASTER_VOLUME; 164 else 165 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 166 vol = stac9460_get(ice, idx) & 0x7f; 167 ucontrol->value.integer.value[0] = 0x7f - vol; 168 169 return 0; 170} 171 172static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 173{ 174 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 175 int idx; 176 unsigned char tmp, ovol, nvol; 177 int change; 178 179 if (kcontrol->private_value) 180 idx = STAC946X_MASTER_VOLUME; 181 else 182 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 183 nvol = ucontrol->value.integer.value[0]; 184 tmp = stac9460_get(ice, idx); 185 ovol = 0x7f - (tmp & 0x7f); 186 change = (ovol != nvol); 187 if (change) { 188 ovol = (0x7f - nvol) | (tmp & 0x80); 189 /* 190 dev_dbg(ice->card->dev, "DAC Volume: reg 0x%02x: 0x%02x\n", 191 idx, ovol); 192 */ 193 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); 194 } 195 return change; 196} 197 198/* 199 * ADC mute control 200 */ 201#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info 202 203static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 204{ 205 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 206 unsigned char val; 207 int i; 208 209 for (i = 0; i < 2; ++i) { 210 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); 211 ucontrol->value.integer.value[i] = ~val>>7 & 0x1; 212 } 213 214 return 0; 215} 216 217static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 218{ 219 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 220 unsigned char new, old; 221 int i, reg; 222 int change; 223 224 for (i = 0; i < 2; ++i) { 225 reg = STAC946X_MIC_L_VOLUME + i; 226 old = stac9460_get(ice, reg); 227 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80); 228 change = (new != old); 229 if (change) 230 stac9460_put(ice, reg, new); 231 } 232 233 return change; 234} 235 236/* 237 * ADC gain mixer control 238 */ 239static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 240{ 241 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 242 uinfo->count = 2; 243 uinfo->value.integer.min = 0; /* 0dB */ 244 uinfo->value.integer.max = 0x0f; /* 22.5dB */ 245 return 0; 246} 247 248static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 249{ 250 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 251 int i, reg; 252 unsigned char vol; 253 254 for (i = 0; i < 2; ++i) { 255 reg = STAC946X_MIC_L_VOLUME + i; 256 vol = stac9460_get(ice, reg) & 0x0f; 257 ucontrol->value.integer.value[i] = 0x0f - vol; 258 } 259 260 return 0; 261} 262 263static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 264{ 265 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 266 int i, reg; 267 unsigned char ovol, nvol; 268 int change; 269 270 for (i = 0; i < 2; ++i) { 271 reg = STAC946X_MIC_L_VOLUME + i; 272 nvol = ucontrol->value.integer.value[i] & 0x0f; 273 ovol = 0x0f - stac9460_get(ice, reg); 274 change = ((ovol & 0x0f) != nvol); 275 if (change) 276 stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f)); 277 } 278 279 return change; 280} 281 282static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, 283 struct snd_ctl_elem_info *uinfo) 284{ 285 static const char * const texts[2] = { "Line In", "Mic" }; 286 287 return snd_ctl_enum_info(uinfo, 1, 2, texts); 288} 289 290 291static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, 292 struct snd_ctl_elem_value *ucontrol) 293{ 294 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 295 unsigned char val; 296 297 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 298 ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; 299 return 0; 300} 301 302static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, 303 struct snd_ctl_elem_value *ucontrol) 304{ 305 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 306 unsigned char new, old; 307 int change; 308 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 309 new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); 310 change = (new != old); 311 if (change) 312 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); 313 return change; 314} 315/* 316 * Handler for setting correct codec rate - called when rate change is detected 317 */ 318static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) 319{ 320 unsigned char old, new; 321 int idx; 322 unsigned char changed[7]; 323 struct prodigy192_spec *spec = ice->spec; 324 325 if (rate == 0) /* no hint - S/PDIF input is master, simply return */ 326 return; 327 else if (rate <= 48000) 328 new = 0x08; /* 256x, base rate mode */ 329 else if (rate <= 96000) 330 new = 0x11; /* 256x, mid rate mode */ 331 else 332 new = 0x12; /* 128x, high rate mode */ 333 old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); 334 if (old == new) 335 return; 336 /* change detected, setting master clock, muting first */ 337 /* due to possible conflicts with mute controls - mutexing */ 338 mutex_lock(&spec->mute_mutex); 339 /* we have to remember current mute status for each DAC */ 340 for (idx = 0; idx < 7 ; ++idx) 341 changed[idx] = stac9460_dac_mute(ice, 342 STAC946X_MASTER_VOLUME + idx, 0); 343 /*dev_dbg(ice->card->dev, "Rate change: %d, new MC: 0x%02x\n", rate, new);*/ 344 stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); 345 udelay(10); 346 /* unmuting - only originally unmuted dacs - 347 * i.e. those changed when muting */ 348 for (idx = 0; idx < 7 ; ++idx) { 349 if (changed[idx]) 350 stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1); 351 } 352 mutex_unlock(&spec->mute_mutex); 353} 354 355 356static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); 357static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); 358 359/* 360 * mixers 361 */ 362 363static struct snd_kcontrol_new stac_controls[] = { 364 { 365 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 366 .name = "Master Playback Switch", 367 .info = stac9460_dac_mute_info, 368 .get = stac9460_dac_mute_get, 369 .put = stac9460_dac_mute_put, 370 .private_value = 1, 371 .tlv = { .p = db_scale_dac } 372 }, 373 { 374 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 375 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 376 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 377 .name = "Master Playback Volume", 378 .info = stac9460_dac_vol_info, 379 .get = stac9460_dac_vol_get, 380 .put = stac9460_dac_vol_put, 381 .private_value = 1, 382 .tlv = { .p = db_scale_dac } 383 }, 384 { 385 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 386 .name = "DAC Switch", 387 .count = 6, 388 .info = stac9460_dac_mute_info, 389 .get = stac9460_dac_mute_get, 390 .put = stac9460_dac_mute_put, 391 }, 392 { 393 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 394 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 395 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 396 .name = "DAC Volume", 397 .count = 6, 398 .info = stac9460_dac_vol_info, 399 .get = stac9460_dac_vol_get, 400 .put = stac9460_dac_vol_put, 401 .tlv = { .p = db_scale_dac } 402 }, 403 { 404 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 405 .name = "ADC Capture Switch", 406 .count = 1, 407 .info = stac9460_adc_mute_info, 408 .get = stac9460_adc_mute_get, 409 .put = stac9460_adc_mute_put, 410 411 }, 412 { 413 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 414 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 415 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 416 .name = "ADC Capture Volume", 417 .count = 1, 418 .info = stac9460_adc_vol_info, 419 .get = stac9460_adc_vol_get, 420 .put = stac9460_adc_vol_put, 421 .tlv = { .p = db_scale_adc } 422 }, 423 { 424 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 425 .name = "Analog Capture Input", 426 .info = stac9460_mic_sw_info, 427 .get = stac9460_mic_sw_get, 428 .put = stac9460_mic_sw_put, 429 430 }, 431}; 432 433/* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ 434/* CDTO (pin 32) -- GPIO11 pin 86 435 * CDTI (pin 33) -- GPIO10 pin 77 436 * CCLK (pin 34) -- GPIO9 pin 76 437 * CSN (pin 35) -- GPIO8 pin 75 438 */ 439#define AK4114_ADDR 0x00 /* C1-C0: Chip Address 440 * (According to datasheet fixed to “00”) 441 */ 442 443/* 444 * 4wire ak4114 protocol - writing data 445 */ 446static void write_data(struct snd_ice1712 *ice, unsigned int gpio, 447 unsigned int data, int idx) 448{ 449 for (; idx >= 0; idx--) { 450 /* drop clock */ 451 gpio &= ~VT1724_PRODIGY192_CCLK; 452 snd_ice1712_gpio_write(ice, gpio); 453 udelay(1); 454 /* set data */ 455 if (data & (1 << idx)) 456 gpio |= VT1724_PRODIGY192_CDOUT; 457 else 458 gpio &= ~VT1724_PRODIGY192_CDOUT; 459 snd_ice1712_gpio_write(ice, gpio); 460 udelay(1); 461 /* raise clock */ 462 gpio |= VT1724_PRODIGY192_CCLK; 463 snd_ice1712_gpio_write(ice, gpio); 464 udelay(1); 465 } 466} 467 468/* 469 * 4wire ak4114 protocol - reading data 470 */ 471static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, 472 int idx) 473{ 474 unsigned char data = 0; 475 476 for (; idx >= 0; idx--) { 477 /* drop clock */ 478 gpio &= ~VT1724_PRODIGY192_CCLK; 479 snd_ice1712_gpio_write(ice, gpio); 480 udelay(1); 481 /* read data */ 482 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) 483 data |= (1 << idx); 484 udelay(1); 485 /* raise clock */ 486 gpio |= VT1724_PRODIGY192_CCLK; 487 snd_ice1712_gpio_write(ice, gpio); 488 udelay(1); 489 } 490 return data; 491} 492/* 493 * 4wire ak4114 protocol - starting sequence 494 */ 495static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) 496{ 497 unsigned int tmp; 498 499 snd_ice1712_save_gpio_status(ice); 500 tmp = snd_ice1712_gpio_read(ice); 501 502 tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ 503 tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ 504 snd_ice1712_gpio_write(ice, tmp); 505 udelay(1); 506 return tmp; 507} 508 509/* 510 * 4wire ak4114 protocol - final sequence 511 */ 512static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) 513{ 514 tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ 515 snd_ice1712_gpio_write(ice, tmp); 516 udelay(1); 517 snd_ice1712_restore_gpio_status(ice); 518} 519 520/* 521 * Write data to addr register of ak4114 522 */ 523static void prodigy192_ak4114_write(void *private_data, unsigned char addr, 524 unsigned char data) 525{ 526 struct snd_ice1712 *ice = private_data; 527 unsigned int tmp, addrdata; 528 tmp = prodigy192_4wire_start(ice); 529 addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); 530 addrdata = (addrdata << 8) | data; 531 write_data(ice, tmp, addrdata, 15); 532 prodigy192_4wire_finish(ice, tmp); 533} 534 535/* 536 * Read data from addr register of ak4114 537 */ 538static unsigned char prodigy192_ak4114_read(void *private_data, 539 unsigned char addr) 540{ 541 struct snd_ice1712 *ice = private_data; 542 unsigned int tmp; 543 unsigned char data; 544 545 tmp = prodigy192_4wire_start(ice); 546 write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); 547 data = read_data(ice, tmp, 7); 548 prodigy192_4wire_finish(ice, tmp); 549 return data; 550} 551 552 553static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, 554 struct snd_ctl_elem_info *uinfo) 555{ 556 static const char * const texts[2] = { "Toslink", "Coax" }; 557 558 return snd_ctl_enum_info(uinfo, 1, 2, texts); 559} 560 561 562static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, 563 struct snd_ctl_elem_value *ucontrol) 564{ 565 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 566 unsigned char val; 567 568 val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 569 /* AK4114_IPS0 bit = 0 -> RX0 = Toslink 570 * AK4114_IPS0 bit = 1 -> RX1 = Coax 571 */ 572 ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; 573 return 0; 574} 575 576static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_value *ucontrol) 578{ 579 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 580 unsigned char new, old, itemvalue; 581 int change; 582 583 old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 584 /* AK4114_IPS0 could be any bit */ 585 itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; 586 587 new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); 588 change = (new != old); 589 if (change) 590 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); 591 return change; 592} 593 594 595static struct snd_kcontrol_new ak4114_controls[] = { 596 { 597 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 598 .name = "MIODIO IEC958 Capture Input", 599 .info = ak4114_input_sw_info, 600 .get = ak4114_input_sw_get, 601 .put = ak4114_input_sw_put, 602 603 } 604}; 605 606 607static int prodigy192_ak4114_init(struct snd_ice1712 *ice) 608{ 609 static const unsigned char ak4114_init_vals[] = { 610 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 611 /* ice1724 expects I2S and provides clock, 612 * DEM0 disables the deemphasis filter 613 */ 614 AK4114_DIF_I24I2S | AK4114_DEM0 , 615 AK4114_TX1E, 616 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ 617 0, 618 0 619 }; 620 static const unsigned char ak4114_init_txcsb[] = { 621 0x41, 0x02, 0x2c, 0x00, 0x00 622 }; 623 struct prodigy192_spec *spec = ice->spec; 624 int err; 625 626 err = snd_ak4114_create(ice->card, 627 prodigy192_ak4114_read, 628 prodigy192_ak4114_write, 629 ak4114_init_vals, ak4114_init_txcsb, 630 ice, &spec->ak4114); 631 if (err < 0) 632 return err; 633 /* AK4114 in Prodigy192 cannot detect external rate correctly. 634 * No reason to stop capture stream due to incorrect checks */ 635 spec->ak4114->check_flags = AK4114_CHECK_NO_RATE; 636 return 0; 637} 638 639static void stac9460_proc_regs_read(struct snd_info_entry *entry, 640 struct snd_info_buffer *buffer) 641{ 642 struct snd_ice1712 *ice = entry->private_data; 643 int reg, val; 644 /* registers 0x0 - 0x14 */ 645 for (reg = 0; reg <= 0x15; reg++) { 646 val = stac9460_get(ice, reg); 647 snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val); 648 } 649} 650 651 652static void stac9460_proc_init(struct snd_ice1712 *ice) 653{ 654 struct snd_info_entry *entry; 655 if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry)) 656 snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read); 657} 658 659 660static int prodigy192_add_controls(struct snd_ice1712 *ice) 661{ 662 struct prodigy192_spec *spec = ice->spec; 663 unsigned int i; 664 int err; 665 666 for (i = 0; i < ARRAY_SIZE(stac_controls); i++) { 667 err = snd_ctl_add(ice->card, 668 snd_ctl_new1(&stac_controls[i], ice)); 669 if (err < 0) 670 return err; 671 } 672 if (spec->ak4114) { 673 /* ak4114 is connected */ 674 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) { 675 err = snd_ctl_add(ice->card, 676 snd_ctl_new1(&ak4114_controls[i], 677 ice)); 678 if (err < 0) 679 return err; 680 } 681 err = snd_ak4114_build(spec->ak4114, 682 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */ 683 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 684 if (err < 0) 685 return err; 686 } 687 stac9460_proc_init(ice); 688 return 0; 689} 690 691/* 692 * check for presence of MI/ODI/O add-on card with digital inputs 693 */ 694static int prodigy192_miodio_exists(struct snd_ice1712 *ice) 695{ 696 697 unsigned char orig_value; 698 const unsigned char test_data = 0xd1; /* random value */ 699 unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */ 700 int exists = 0; 701 702 orig_value = prodigy192_ak4114_read(ice, addr); 703 prodigy192_ak4114_write(ice, addr, test_data); 704 if (prodigy192_ak4114_read(ice, addr) == test_data) { 705 /* ak4114 seems to communicate, apparently exists */ 706 /* writing back original value */ 707 prodigy192_ak4114_write(ice, addr, orig_value); 708 exists = 1; 709 } 710 return exists; 711} 712 713/* 714 * initialize the chip 715 */ 716static int prodigy192_init(struct snd_ice1712 *ice) 717{ 718 static const unsigned short stac_inits_prodigy[] = { 719 STAC946X_RESET, 0, 720 STAC946X_MASTER_CLOCKING, 0x11, 721/* STAC946X_MASTER_VOLUME, 0, 722 STAC946X_LF_VOLUME, 0, 723 STAC946X_RF_VOLUME, 0, 724 STAC946X_LR_VOLUME, 0, 725 STAC946X_RR_VOLUME, 0, 726 STAC946X_CENTER_VOLUME, 0, 727 STAC946X_LFE_VOLUME, 0,*/ 728 (unsigned short)-1 729 }; 730 const unsigned short *p; 731 int err = 0; 732 struct prodigy192_spec *spec; 733 734 /* prodigy 192 */ 735 ice->num_total_dacs = 6; 736 ice->num_total_adcs = 2; 737 ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */ 738 739 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 740 if (!spec) 741 return -ENOMEM; 742 ice->spec = spec; 743 mutex_init(&spec->mute_mutex); 744 745 /* initialize codec */ 746 p = stac_inits_prodigy; 747 for (; *p != (unsigned short)-1; p += 2) 748 stac9460_put(ice, p[0], p[1]); 749 ice->gpio.set_pro_rate = stac9460_set_rate_val; 750 751 /* MI/ODI/O add on card with AK4114 */ 752 if (prodigy192_miodio_exists(ice)) { 753 err = prodigy192_ak4114_init(ice); 754 /* from this moment if err = 0 then 755 * spec->ak4114 should not be null 756 */ 757 dev_dbg(ice->card->dev, 758 "AK4114 initialized with status %d\n", err); 759 } else 760 dev_dbg(ice->card->dev, "AK4114 not found\n"); 761 762 return err; 763} 764 765 766/* 767 * Aureon boards don't provide the EEPROM data except for the vendor IDs. 768 * hence the driver needs to sets up it properly. 769 */ 770 771static unsigned char prodigy71_eeprom[] = { 772 [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, 773 * spdif-in+ 1 stereo ADC, 774 * 3 stereo DACs 775 */ 776 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 777 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 778 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 779 [ICE_EEP2_GPIO_DIR] = 0xff, 780 [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , 781 [ICE_EEP2_GPIO_DIR2] = 0xbf, 782 [ICE_EEP2_GPIO_MASK] = 0x00, 783 [ICE_EEP2_GPIO_MASK1] = 0x00, 784 [ICE_EEP2_GPIO_MASK2] = 0x00, 785 [ICE_EEP2_GPIO_STATE] = 0x00, 786 [ICE_EEP2_GPIO_STATE1] = 0x00, 787 [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input 788 * passthrough, 789 * 1 = SPDIF-OUT from ice1724 790 */ 791}; 792 793 794/* entry point */ 795struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] = { 796 { 797 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, 798 .name = "Audiotrak Prodigy 192", 799 .model = "prodigy192", 800 .chip_init = prodigy192_init, 801 .build_controls = prodigy192_add_controls, 802 .eeprom_size = sizeof(prodigy71_eeprom), 803 .eeprom_data = prodigy71_eeprom, 804 }, 805 { } /* terminator */ 806}; 807