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