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 <asm/io.h> 58#include <linux/delay.h> 59#include <linux/interrupt.h> 60#include <linux/init.h> 61#include <linux/slab.h> 62#include <sound/core.h> 63 64#include "ice1712.h" 65#include "envy24ht.h" 66#include "prodigy192.h" 67#include "stac946x.h" 68#include <sound/tlv.h> 69 70struct prodigy192_spec { 71 struct ak4114 *ak4114; 72 /* rate change needs atomic mute/unmute of all dacs*/ 73 struct mutex mute_mutex; 74}; 75 76static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val) 77{ 78 snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val); 79} 80 81static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg) 82{ 83 return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg); 84} 85 86/* 87 * DAC mute control 88 */ 89 90/* 91 * idx = STAC9460 volume register number, mute: 0 = mute, 1 = unmute 92 */ 93static int stac9460_dac_mute(struct snd_ice1712 *ice, int idx, 94 unsigned char mute) 95{ 96 unsigned char new, old; 97 int change; 98 old = stac9460_get(ice, idx); 99 new = (~mute << 7 & 0x80) | (old & ~0x80); 100 change = (new != old); 101 if (change) 102 /*printk ("Volume register 0x%02x: 0x%02x\n", idx, new);*/ 103 stac9460_put(ice, idx, new); 104 return change; 105} 106 107#define stac9460_dac_mute_info snd_ctl_boolean_mono_info 108 109static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 110{ 111 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 112 unsigned char val; 113 int idx; 114 115 if (kcontrol->private_value) 116 idx = STAC946X_MASTER_VOLUME; 117 else 118 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 119 val = stac9460_get(ice, idx); 120 ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; 121 return 0; 122} 123 124static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 125{ 126 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 127 struct prodigy192_spec *spec = ice->spec; 128 int idx, change; 129 130 if (kcontrol->private_value) 131 idx = STAC946X_MASTER_VOLUME; 132 else 133 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 134 /* due to possible conflicts with stac9460_set_rate_val, mutexing */ 135 mutex_lock(&spec->mute_mutex); 136 /* 137 printk(KERN_DEBUG "Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx, 138 ucontrol->value.integer.value[0]); 139 */ 140 change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]); 141 mutex_unlock(&spec->mute_mutex); 142 return change; 143} 144 145/* 146 * DAC volume attenuation mixer control 147 */ 148static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 149{ 150 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 151 uinfo->count = 1; 152 uinfo->value.integer.min = 0; /* mute */ 153 uinfo->value.integer.max = 0x7f; /* 0dB */ 154 return 0; 155} 156 157static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 158{ 159 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 160 int idx; 161 unsigned char vol; 162 163 if (kcontrol->private_value) 164 idx = STAC946X_MASTER_VOLUME; 165 else 166 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 167 vol = stac9460_get(ice, idx) & 0x7f; 168 ucontrol->value.integer.value[0] = 0x7f - vol; 169 170 return 0; 171} 172 173static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 174{ 175 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 176 int idx; 177 unsigned char tmp, ovol, nvol; 178 int change; 179 180 if (kcontrol->private_value) 181 idx = STAC946X_MASTER_VOLUME; 182 else 183 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 184 nvol = ucontrol->value.integer.value[0]; 185 tmp = stac9460_get(ice, idx); 186 ovol = 0x7f - (tmp & 0x7f); 187 change = (ovol != nvol); 188 if (change) { 189 ovol = (0x7f - nvol) | (tmp & 0x80); 190 /* 191 printk(KERN_DEBUG "DAC Volume: reg 0x%02x: 0x%02x\n", 192 idx, ovol); 193 */ 194 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); 195 } 196 return change; 197} 198 199/* 200 * ADC mute control 201 */ 202#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info 203 204static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 205{ 206 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 207 unsigned char val; 208 int i; 209 210 for (i = 0; i < 2; ++i) { 211 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); 212 ucontrol->value.integer.value[i] = ~val>>7 & 0x1; 213 } 214 215 return 0; 216} 217 218static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 219{ 220 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 221 unsigned char new, old; 222 int i, reg; 223 int change; 224 225 for (i = 0; i < 2; ++i) { 226 reg = STAC946X_MIC_L_VOLUME + i; 227 old = stac9460_get(ice, reg); 228 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80); 229 change = (new != old); 230 if (change) 231 stac9460_put(ice, reg, new); 232 } 233 234 return change; 235} 236 237/* 238 * ADC gain mixer control 239 */ 240static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 241{ 242 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 243 uinfo->count = 2; 244 uinfo->value.integer.min = 0; /* 0dB */ 245 uinfo->value.integer.max = 0x0f; /* 22.5dB */ 246 return 0; 247} 248 249static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 250{ 251 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 252 int i, reg; 253 unsigned char vol; 254 255 for (i = 0; i < 2; ++i) { 256 reg = STAC946X_MIC_L_VOLUME + i; 257 vol = stac9460_get(ice, reg) & 0x0f; 258 ucontrol->value.integer.value[i] = 0x0f - vol; 259 } 260 261 return 0; 262} 263 264static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 265{ 266 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 267 int i, reg; 268 unsigned char ovol, nvol; 269 int change; 270 271 for (i = 0; i < 2; ++i) { 272 reg = STAC946X_MIC_L_VOLUME + i; 273 nvol = ucontrol->value.integer.value[i] & 0x0f; 274 ovol = 0x0f - stac9460_get(ice, reg); 275 change = ((ovol & 0x0f) != nvol); 276 if (change) 277 stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f)); 278 } 279 280 return change; 281} 282 283static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, 284 struct snd_ctl_elem_info *uinfo) 285{ 286 static char *texts[2] = { "Line In", "Mic" }; 287 288 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 289 uinfo->count = 1; 290 uinfo->value.enumerated.items = 2; 291 292 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 293 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 294 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 295 296 return 0; 297} 298 299 300static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, 301 struct snd_ctl_elem_value *ucontrol) 302{ 303 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 304 unsigned char val; 305 306 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 307 ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; 308 return 0; 309} 310 311static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, 312 struct snd_ctl_elem_value *ucontrol) 313{ 314 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 315 unsigned char new, old; 316 int change; 317 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 318 new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); 319 change = (new != old); 320 if (change) 321 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); 322 return change; 323} 324/* 325 * Handler for setting correct codec rate - called when rate change is detected 326 */ 327static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) 328{ 329 unsigned char old, new; 330 int idx; 331 unsigned char changed[7]; 332 struct prodigy192_spec *spec = ice->spec; 333 334 if (rate == 0) /* no hint - S/PDIF input is master, simply return */ 335 return; 336 else if (rate <= 48000) 337 new = 0x08; /* 256x, base rate mode */ 338 else if (rate <= 96000) 339 new = 0x11; /* 256x, mid rate mode */ 340 else 341 new = 0x12; /* 128x, high rate mode */ 342 old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); 343 if (old == new) 344 return; 345 /* change detected, setting master clock, muting first */ 346 /* due to possible conflicts with mute controls - mutexing */ 347 mutex_lock(&spec->mute_mutex); 348 /* we have to remember current mute status for each DAC */ 349 for (idx = 0; idx < 7 ; ++idx) 350 changed[idx] = stac9460_dac_mute(ice, 351 STAC946X_MASTER_VOLUME + idx, 0); 352 /*printk(KERN_DEBUG "Rate change: %d, new MC: 0x%02x\n", rate, new);*/ 353 stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); 354 udelay(10); 355 /* unmuting - only originally unmuted dacs - 356 * i.e. those changed when muting */ 357 for (idx = 0; idx < 7 ; ++idx) { 358 if (changed[idx]) 359 stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1); 360 } 361 mutex_unlock(&spec->mute_mutex); 362} 363 364 365static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); 366static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); 367 368/* 369 * mixers 370 */ 371 372static struct snd_kcontrol_new stac_controls[] __devinitdata = { 373 { 374 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 375 .name = "Master Playback Switch", 376 .info = stac9460_dac_mute_info, 377 .get = stac9460_dac_mute_get, 378 .put = stac9460_dac_mute_put, 379 .private_value = 1, 380 .tlv = { .p = db_scale_dac } 381 }, 382 { 383 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 384 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 385 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 386 .name = "Master Playback Volume", 387 .info = stac9460_dac_vol_info, 388 .get = stac9460_dac_vol_get, 389 .put = stac9460_dac_vol_put, 390 .private_value = 1, 391 .tlv = { .p = db_scale_dac } 392 }, 393 { 394 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 395 .name = "DAC Switch", 396 .count = 6, 397 .info = stac9460_dac_mute_info, 398 .get = stac9460_dac_mute_get, 399 .put = stac9460_dac_mute_put, 400 }, 401 { 402 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 403 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 404 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 405 .name = "DAC Volume", 406 .count = 6, 407 .info = stac9460_dac_vol_info, 408 .get = stac9460_dac_vol_get, 409 .put = stac9460_dac_vol_put, 410 .tlv = { .p = db_scale_dac } 411 }, 412 { 413 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 414 .name = "ADC Capture Switch", 415 .count = 1, 416 .info = stac9460_adc_mute_info, 417 .get = stac9460_adc_mute_get, 418 .put = stac9460_adc_mute_put, 419 420 }, 421 { 422 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 423 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 424 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 425 .name = "ADC Capture Volume", 426 .count = 1, 427 .info = stac9460_adc_vol_info, 428 .get = stac9460_adc_vol_get, 429 .put = stac9460_adc_vol_put, 430 .tlv = { .p = db_scale_adc } 431 }, 432 { 433 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 434 .name = "Analog Capture Input", 435 .info = stac9460_mic_sw_info, 436 .get = stac9460_mic_sw_get, 437 .put = stac9460_mic_sw_put, 438 439 }, 440}; 441 442/* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ 443/* CDTO (pin 32) -- GPIO11 pin 86 444 * CDTI (pin 33) -- GPIO10 pin 77 445 * CCLK (pin 34) -- GPIO9 pin 76 446 * CSN (pin 35) -- GPIO8 pin 75 447 */ 448#define AK4114_ADDR 0x00 /* C1-C0: Chip Address 449 * (According to datasheet fixed to ���00���) 450 */ 451 452/* 453 * 4wire ak4114 protocol - writing data 454 */ 455static void write_data(struct snd_ice1712 *ice, unsigned int gpio, 456 unsigned int data, int idx) 457{ 458 for (; idx >= 0; idx--) { 459 /* drop clock */ 460 gpio &= ~VT1724_PRODIGY192_CCLK; 461 snd_ice1712_gpio_write(ice, gpio); 462 udelay(1); 463 /* set data */ 464 if (data & (1 << idx)) 465 gpio |= VT1724_PRODIGY192_CDOUT; 466 else 467 gpio &= ~VT1724_PRODIGY192_CDOUT; 468 snd_ice1712_gpio_write(ice, gpio); 469 udelay(1); 470 /* raise clock */ 471 gpio |= VT1724_PRODIGY192_CCLK; 472 snd_ice1712_gpio_write(ice, gpio); 473 udelay(1); 474 } 475} 476 477/* 478 * 4wire ak4114 protocol - reading data 479 */ 480static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, 481 int idx) 482{ 483 unsigned char data = 0; 484 485 for (; idx >= 0; idx--) { 486 /* drop clock */ 487 gpio &= ~VT1724_PRODIGY192_CCLK; 488 snd_ice1712_gpio_write(ice, gpio); 489 udelay(1); 490 /* read data */ 491 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) 492 data |= (1 << idx); 493 udelay(1); 494 /* raise clock */ 495 gpio |= VT1724_PRODIGY192_CCLK; 496 snd_ice1712_gpio_write(ice, gpio); 497 udelay(1); 498 } 499 return data; 500} 501/* 502 * 4wire ak4114 protocol - starting sequence 503 */ 504static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) 505{ 506 unsigned int tmp; 507 508 snd_ice1712_save_gpio_status(ice); 509 tmp = snd_ice1712_gpio_read(ice); 510 511 tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ 512 tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ 513 snd_ice1712_gpio_write(ice, tmp); 514 udelay(1); 515 return tmp; 516} 517 518/* 519 * 4wire ak4114 protocol - final sequence 520 */ 521static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) 522{ 523 tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ 524 snd_ice1712_gpio_write(ice, tmp); 525 udelay(1); 526 snd_ice1712_restore_gpio_status(ice); 527} 528 529/* 530 * Write data to addr register of ak4114 531 */ 532static void prodigy192_ak4114_write(void *private_data, unsigned char addr, 533 unsigned char data) 534{ 535 struct snd_ice1712 *ice = private_data; 536 unsigned int tmp, addrdata; 537 tmp = prodigy192_4wire_start(ice); 538 addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); 539 addrdata = (addrdata << 8) | data; 540 write_data(ice, tmp, addrdata, 15); 541 prodigy192_4wire_finish(ice, tmp); 542} 543 544/* 545 * Read data from addr register of ak4114 546 */ 547static unsigned char prodigy192_ak4114_read(void *private_data, 548 unsigned char addr) 549{ 550 struct snd_ice1712 *ice = private_data; 551 unsigned int tmp; 552 unsigned char data; 553 554 tmp = prodigy192_4wire_start(ice); 555 write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); 556 data = read_data(ice, tmp, 7); 557 prodigy192_4wire_finish(ice, tmp); 558 return data; 559} 560 561 562static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, 563 struct snd_ctl_elem_info *uinfo) 564{ 565 static char *texts[2] = { "Toslink", "Coax" }; 566 567 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 568 uinfo->count = 1; 569 uinfo->value.enumerated.items = 2; 570 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 571 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 572 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 573 return 0; 574} 575 576 577static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, 578 struct snd_ctl_elem_value *ucontrol) 579{ 580 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 581 unsigned char val; 582 583 val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 584 /* AK4114_IPS0 bit = 0 -> RX0 = Toslink 585 * AK4114_IPS0 bit = 1 -> RX1 = Coax 586 */ 587 ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; 588 return 0; 589} 590 591static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, 592 struct snd_ctl_elem_value *ucontrol) 593{ 594 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 595 unsigned char new, old, itemvalue; 596 int change; 597 598 old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 599 /* AK4114_IPS0 could be any bit */ 600 itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; 601 602 new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); 603 change = (new != old); 604 if (change) 605 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); 606 return change; 607} 608 609 610static struct snd_kcontrol_new ak4114_controls[] __devinitdata = { 611 { 612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 613 .name = "MIODIO IEC958 Capture Input", 614 .info = ak4114_input_sw_info, 615 .get = ak4114_input_sw_get, 616 .put = ak4114_input_sw_put, 617 618 } 619}; 620 621 622static int prodigy192_ak4114_init(struct snd_ice1712 *ice) 623{ 624 static const unsigned char ak4114_init_vals[] = { 625 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 626 /* ice1724 expects I2S and provides clock, 627 * DEM0 disables the deemphasis filter 628 */ 629 AK4114_DIF_I24I2S | AK4114_DEM0 , 630 AK4114_TX1E, 631 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ 632 0, 633 0 634 }; 635 static const unsigned char ak4114_init_txcsb[] = { 636 0x41, 0x02, 0x2c, 0x00, 0x00 637 }; 638 struct prodigy192_spec *spec = ice->spec; 639 int err; 640 641 err = snd_ak4114_create(ice->card, 642 prodigy192_ak4114_read, 643 prodigy192_ak4114_write, 644 ak4114_init_vals, ak4114_init_txcsb, 645 ice, &spec->ak4114); 646 if (err < 0) 647 return err; 648 /* AK4114 in Prodigy192 cannot detect external rate correctly. 649 * No reason to stop capture stream due to incorrect checks */ 650 spec->ak4114->check_flags = AK4114_CHECK_NO_RATE; 651 return 0; 652} 653 654static void stac9460_proc_regs_read(struct snd_info_entry *entry, 655 struct snd_info_buffer *buffer) 656{ 657 struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data; 658 int reg, val; 659 /* registers 0x0 - 0x14 */ 660 for (reg = 0; reg <= 0x15; reg++) { 661 val = stac9460_get(ice, reg); 662 snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val); 663 } 664} 665 666 667static void stac9460_proc_init(struct snd_ice1712 *ice) 668{ 669 struct snd_info_entry *entry; 670 if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry)) 671 snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read); 672} 673 674 675static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice) 676{ 677 struct prodigy192_spec *spec = ice->spec; 678 unsigned int i; 679 int err; 680 681 for (i = 0; i < ARRAY_SIZE(stac_controls); i++) { 682 err = snd_ctl_add(ice->card, 683 snd_ctl_new1(&stac_controls[i], ice)); 684 if (err < 0) 685 return err; 686 } 687 if (spec->ak4114) { 688 /* ak4114 is connected */ 689 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) { 690 err = snd_ctl_add(ice->card, 691 snd_ctl_new1(&ak4114_controls[i], 692 ice)); 693 if (err < 0) 694 return err; 695 } 696 err = snd_ak4114_build(spec->ak4114, 697 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */ 698 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 699 if (err < 0) 700 return err; 701 } 702 stac9460_proc_init(ice); 703 return 0; 704} 705 706/* 707 * check for presence of MI/ODI/O add-on card with digital inputs 708 */ 709static int prodigy192_miodio_exists(struct snd_ice1712 *ice) 710{ 711 712 unsigned char orig_value; 713 const unsigned char test_data = 0xd1; /* random value */ 714 unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */ 715 int exists = 0; 716 717 orig_value = prodigy192_ak4114_read(ice, addr); 718 prodigy192_ak4114_write(ice, addr, test_data); 719 if (prodigy192_ak4114_read(ice, addr) == test_data) { 720 /* ak4114 seems to communicate, apparently exists */ 721 /* writing back original value */ 722 prodigy192_ak4114_write(ice, addr, orig_value); 723 exists = 1; 724 } 725 return exists; 726} 727 728/* 729 * initialize the chip 730 */ 731static int __devinit prodigy192_init(struct snd_ice1712 *ice) 732{ 733 static const unsigned short stac_inits_prodigy[] = { 734 STAC946X_RESET, 0, 735 STAC946X_MASTER_CLOCKING, 0x11, 736/* STAC946X_MASTER_VOLUME, 0, 737 STAC946X_LF_VOLUME, 0, 738 STAC946X_RF_VOLUME, 0, 739 STAC946X_LR_VOLUME, 0, 740 STAC946X_RR_VOLUME, 0, 741 STAC946X_CENTER_VOLUME, 0, 742 STAC946X_LFE_VOLUME, 0,*/ 743 (unsigned short)-1 744 }; 745 const unsigned short *p; 746 int err = 0; 747 struct prodigy192_spec *spec; 748 749 /* prodigy 192 */ 750 ice->num_total_dacs = 6; 751 ice->num_total_adcs = 2; 752 ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */ 753 754 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 755 if (!spec) 756 return -ENOMEM; 757 ice->spec = spec; 758 mutex_init(&spec->mute_mutex); 759 760 /* initialize codec */ 761 p = stac_inits_prodigy; 762 for (; *p != (unsigned short)-1; p += 2) 763 stac9460_put(ice, p[0], p[1]); 764 ice->gpio.set_pro_rate = stac9460_set_rate_val; 765 766 /* MI/ODI/O add on card with AK4114 */ 767 if (prodigy192_miodio_exists(ice)) { 768 err = prodigy192_ak4114_init(ice); 769 /* from this moment if err = 0 then 770 * spec->ak4114 should not be null 771 */ 772 snd_printdd("AK4114 initialized with status %d\n", err); 773 } else 774 snd_printdd("AK4114 not found\n"); 775 if (err < 0) 776 return err; 777 778 return 0; 779} 780 781 782/* 783 * Aureon boards don't provide the EEPROM data except for the vendor IDs. 784 * hence the driver needs to sets up it properly. 785 */ 786 787static unsigned char prodigy71_eeprom[] __devinitdata = { 788 [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, 789 * spdif-in+ 1 stereo ADC, 790 * 3 stereo DACs 791 */ 792 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 793 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 794 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 795 [ICE_EEP2_GPIO_DIR] = 0xff, 796 [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , 797 [ICE_EEP2_GPIO_DIR2] = 0xbf, 798 [ICE_EEP2_GPIO_MASK] = 0x00, 799 [ICE_EEP2_GPIO_MASK1] = 0x00, 800 [ICE_EEP2_GPIO_MASK2] = 0x00, 801 [ICE_EEP2_GPIO_STATE] = 0x00, 802 [ICE_EEP2_GPIO_STATE1] = 0x00, 803 [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input 804 * passthrough, 805 * 1 = SPDIF-OUT from ice1724 806 */ 807}; 808 809 810/* entry point */ 811struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = { 812 { 813 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, 814 .name = "Audiotrak Prodigy 192", 815 .model = "prodigy192", 816 .chip_init = prodigy192_init, 817 .build_controls = prodigy192_add_controls, 818 .eeprom_size = sizeof(prodigy71_eeprom), 819 .eeprom_data = prodigy71_eeprom, 820 }, 821 { } /* terminator */ 822}; 823