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 <sound/driver.h> 58 #include <asm/io.h> 59 #include <linux/delay.h> 60 #include <linux/interrupt.h> 61 #include <linux/init.h> 62 #include <linux/slab.h> 63 #include <sound/core.h> 64 65 #include "ice1712.h" 66 #include "envy24ht.h" 67 #include "prodigy192.h" 68 #include "stac946x.h" 69 #include <sound/tlv.h> 70 71 static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val) 72 { 73 snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val); 74 } 75 76 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg) 77 { 78 return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg); 79 } 80 81 /* 82 * DAC mute control 83 */ 84 static int stac9460_dac_mute_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 85 { 86 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 87 uinfo->count = 1; 88 uinfo->value.integer.min = 0; 89 uinfo->value.integer.max = 1; 90 return 0; 91 } 92 93 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 94 { 95 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 96 unsigned char val; 97 int idx; 98 99 if (kcontrol->private_value) 100 idx = STAC946X_MASTER_VOLUME; 101 else 102 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 103 val = stac9460_get(ice, idx); 104 ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; 105 return 0; 106 } 107 108 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 109 { 110 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 111 unsigned char new, old; 112 int idx; 113 int change; 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 old = stac9460_get(ice, idx); 120 new = (~ucontrol->value.integer.value[0]<< 7 & 0x80) | (old & ~0x80); 121 change = (new != old); 122 if (change) 123 stac9460_put(ice, idx, new); 124 125 return change; 126 } 127 128 /* 129 * DAC volume attenuation mixer control 130 */ 131 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 132 { 133 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 134 uinfo->count = 1; 135 uinfo->value.integer.min = 0; /* mute */ 136 uinfo->value.integer.max = 0x7f; /* 0dB */ 137 return 0; 138 } 139 140 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 141 { 142 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 143 int idx; 144 unsigned char vol; 145 146 if (kcontrol->private_value) 147 idx = STAC946X_MASTER_VOLUME; 148 else 149 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 150 vol = stac9460_get(ice, idx) & 0x7f; 151 ucontrol->value.integer.value[0] = 0x7f - vol; 152 153 return 0; 154 } 155 156 static int stac9460_dac_vol_put(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 tmp, ovol, nvol; 161 int change; 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 nvol = ucontrol->value.integer.value[0]; 168 tmp = stac9460_get(ice, idx); 169 ovol = 0x7f - (tmp & 0x7f); 170 change = (ovol != nvol); 171 if (change) { 172 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); 173 } 174 return change; 175 } 176 177 /* 178 * ADC mute control 179 */ 180 static int stac9460_adc_mute_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 181 { 182 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 183 uinfo->count = 2; 184 uinfo->value.integer.min = 0; 185 uinfo->value.integer.max = 1; 186 return 0; 187 } 188 189 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 190 { 191 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 192 unsigned char val; 193 int i; 194 195 for (i = 0; i < 2; ++i) { 196 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); 197 ucontrol->value.integer.value[i] = ~val>>7 & 0x1; 198 } 199 200 return 0; 201 } 202 203 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 204 { 205 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 206 unsigned char new, old; 207 int i, reg; 208 int change; 209 210 for (i = 0; i < 2; ++i) { 211 reg = STAC946X_MIC_L_VOLUME + i; 212 old = stac9460_get(ice, reg); 213 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80); 214 change = (new != old); 215 if (change) 216 stac9460_put(ice, reg, new); 217 } 218 219 return change; 220 } 221 222 /* 223 * ADC gain mixer control 224 */ 225 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 226 { 227 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 228 uinfo->count = 2; 229 uinfo->value.integer.min = 0; /* 0dB */ 230 uinfo->value.integer.max = 0x0f; /* 22.5dB */ 231 return 0; 232 } 233 234 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 235 { 236 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 237 int i, reg; 238 unsigned char vol; 239 240 for (i = 0; i < 2; ++i) { 241 reg = STAC946X_MIC_L_VOLUME + i; 242 vol = stac9460_get(ice, reg) & 0x0f; 243 ucontrol->value.integer.value[i] = 0x0f - vol; 244 } 245 246 return 0; 247 } 248 249 static int stac9460_adc_vol_put(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 ovol, nvol; 254 int change; 255 256 for (i = 0; i < 2; ++i) { 257 reg = STAC946X_MIC_L_VOLUME + i; 258 nvol = ucontrol->value.integer.value[i]; 259 ovol = 0x0f - stac9460_get(ice, reg); 260 change = ((ovol & 0x0f) != nvol); 261 if (change) 262 stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f)); 263 } 264 265 return change; 266 } 267 268 #if 0 269 /* 270 * Headphone Amplifier 271 */ 272 static int aureon_set_headphone_amp(struct snd_ice1712 *ice, int enable) 273 { 274 unsigned int tmp, tmp2; 275 276 tmp2 = tmp = snd_ice1712_gpio_read(ice); 277 if (enable) 278 tmp |= AUREON_HP_SEL; 279 else 280 tmp &= ~ AUREON_HP_SEL; 281 if (tmp != tmp2) { 282 snd_ice1712_gpio_write(ice, tmp); 283 return 1; 284 } 285 return 0; 286 } 287 288 static int aureon_get_headphone_amp(struct snd_ice1712 *ice) 289 { 290 unsigned int tmp = snd_ice1712_gpio_read(ice); 291 292 return ( tmp & AUREON_HP_SEL )!= 0; 293 } 294 295 static int aureon_bool_info(struct snd_kcontrol *k, struct snd_ctl_elem_info *uinfo) 296 { 297 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 298 uinfo->count = 1; 299 uinfo->value.integer.min = 0; 300 uinfo->value.integer.max = 1; 301 return 0; 302 } 303 304 static int aureon_hpamp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 305 { 306 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 307 308 ucontrol->value.integer.value[0] = aureon_get_headphone_amp(ice); 309 return 0; 310 } 311 312 313 static int aureon_hpamp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 314 { 315 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 316 317 return aureon_set_headphone_amp(ice,ucontrol->value.integer.value[0]); 318 } 319 320 /* 321 * Deemphasis 322 */ 323 static int aureon_deemp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 324 { 325 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 326 ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) == 0xf; 327 return 0; 328 } 329 330 static int aureon_deemp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 331 { 332 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 333 int temp, temp2; 334 temp2 = temp = wm_get(ice, WM_DAC_CTRL2); 335 if (ucontrol->value.integer.value[0]) 336 temp |= 0xf; 337 else 338 temp &= ~0xf; 339 if (temp != temp2) { 340 wm_put(ice, WM_DAC_CTRL2, temp); 341 return 1; 342 } 343 return 0; 344 } 345 346 /* 347 * ADC Oversampling 348 */ 349 static int aureon_oversampling_info(struct snd_kcontrol *k, struct snd_ctl_elem_info *uinfo) 350 { 351 static char *texts[2] = { "128x", "64x" }; 352 353 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 354 uinfo->count = 1; 355 uinfo->value.enumerated.items = 2; 356 357 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 358 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 359 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 360 361 return 0; 362 } 363 364 static int aureon_oversampling_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 365 { 366 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 367 ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) == 0x8; 368 return 0; 369 } 370 371 static int aureon_oversampling_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 372 { 373 int temp, temp2; 374 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 375 376 temp2 = temp = wm_get(ice, WM_MASTER); 377 378 if (ucontrol->value.enumerated.item[0]) 379 temp |= 0x8; 380 else 381 temp &= ~0x8; 382 383 if (temp != temp2) { 384 wm_put(ice, WM_MASTER, temp); 385 return 1; 386 } 387 return 0; 388 } 389 #endif 390 static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, 391 struct snd_ctl_elem_info *uinfo) 392 { 393 static char *texts[2] = { "Line In", "Mic" }; 394 395 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 396 uinfo->count = 1; 397 uinfo->value.enumerated.items = 2; 398 399 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 400 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 401 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 402 403 return 0; 404 } 405 406 407 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, 408 struct snd_ctl_elem_value *ucontrol) 409 { 410 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 411 unsigned char val; 412 413 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 414 ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; 415 return 0; 416 } 417 418 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, 419 struct snd_ctl_elem_value *ucontrol) 420 { 421 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 422 unsigned char new, old; 423 int change; 424 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 425 new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); 426 change = (new != old); 427 if (change) 428 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); 429 return change; 430 } 431 432 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); 433 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); 434 435 /* 436 * mixers 437 */ 438 439 static struct snd_kcontrol_new stac_controls[] __devinitdata = { 440 { 441 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 442 .name = "Master Playback Switch", 443 .info = stac9460_dac_mute_info, 444 .get = stac9460_dac_mute_get, 445 .put = stac9460_dac_mute_put, 446 .private_value = 1, 447 .tlv = { .p = db_scale_dac } 448 }, 449 { 450 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 451 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 452 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 453 .name = "Master Playback Volume", 454 .info = stac9460_dac_vol_info, 455 .get = stac9460_dac_vol_get, 456 .put = stac9460_dac_vol_put, 457 .private_value = 1, 458 .tlv = { .p = db_scale_dac } 459 }, 460 { 461 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 462 .name = "DAC Switch", 463 .count = 6, 464 .info = stac9460_dac_mute_info, 465 .get = stac9460_dac_mute_get, 466 .put = stac9460_dac_mute_put, 467 }, 468 { 469 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 470 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 471 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 472 .name = "DAC Volume", 473 .count = 6, 474 .info = stac9460_dac_vol_info, 475 .get = stac9460_dac_vol_get, 476 .put = stac9460_dac_vol_put, 477 .tlv = { .p = db_scale_dac } 478 }, 479 { 480 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 481 .name = "ADC Capture Switch", 482 .count = 1, 483 .info = stac9460_adc_mute_info, 484 .get = stac9460_adc_mute_get, 485 .put = stac9460_adc_mute_put, 486 487 }, 488 { 489 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 490 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 491 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 492 .name = "ADC Capture Volume", 493 .count = 1, 494 .info = stac9460_adc_vol_info, 495 .get = stac9460_adc_vol_get, 496 .put = stac9460_adc_vol_put, 497 .tlv = { .p = db_scale_adc } 498 }, 499 { 500 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 501 .name = "Analog Capture Input", 502 .info = stac9460_mic_sw_info, 503 .get = stac9460_mic_sw_get, 504 .put = stac9460_mic_sw_put, 505 506 }, 507 #if 0 508 { 509 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 510 .name = "Capture Route", 511 .info = wm_adc_mux_info, 512 .get = wm_adc_mux_get, 513 .put = wm_adc_mux_put, 514 }, 515 { 516 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 517 .name = "Headphone Amplifier Switch", 518 .info = aureon_bool_info, 519 .get = aureon_hpamp_get, 520 .put = aureon_hpamp_put 521 }, 522 { 523 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 524 .name = "DAC Deemphasis Switch", 525 .info = aureon_bool_info, 526 .get = aureon_deemp_get, 527 .put = aureon_deemp_put 528 }, 529 { 530 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 531 .name = "ADC Oversampling", 532 .info = aureon_oversampling_info, 533 .get = aureon_oversampling_get, 534 .put = aureon_oversampling_put 535 }, 536 #endif 537 }; 538 539 540 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ 541 /* CDTO (pin 32) -- GPIO11 pin 86 542 * CDTI (pin 33) -- GPIO10 pin 77 543 * CCLK (pin 34) -- GPIO9 pin 76 544 * CSN (pin 35) -- GPIO8 pin 75 545 */ 546 #define AK4114_ADDR 0x00 /* C1-C0: Chip Address 547 * (According to datasheet fixed to “00”) 548 */ 549 550 /* 551 * 4wire ak4114 protocol - writing data 552 */ 553 static void write_data(struct snd_ice1712 *ice, unsigned int gpio, 554 unsigned int data, int idx) 555 { 556 for (; idx >= 0; idx--) { 557 /* drop clock */ 558 gpio &= ~VT1724_PRODIGY192_CCLK; 559 snd_ice1712_gpio_write(ice, gpio); 560 udelay(1); 561 /* set data */ 562 if (data & (1 << idx)) 563 gpio |= VT1724_PRODIGY192_CDOUT; 564 else 565 gpio &= ~VT1724_PRODIGY192_CDOUT; 566 snd_ice1712_gpio_write(ice, gpio); 567 udelay(1); 568 /* raise clock */ 569 gpio |= VT1724_PRODIGY192_CCLK; 570 snd_ice1712_gpio_write(ice, gpio); 571 udelay(1); 572 } 573 } 574 575 /* 576 * 4wire ak4114 protocol - reading data 577 */ 578 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, 579 int idx) 580 { 581 unsigned char data = 0; 582 583 for (; idx >= 0; idx--) { 584 /* drop clock */ 585 gpio &= ~VT1724_PRODIGY192_CCLK; 586 snd_ice1712_gpio_write(ice, gpio); 587 udelay(1); 588 /* read data */ 589 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) 590 data |= (1 << idx); 591 udelay(1); 592 /* raise clock */ 593 gpio |= VT1724_PRODIGY192_CCLK; 594 snd_ice1712_gpio_write(ice, gpio); 595 udelay(1); 596 } 597 return data; 598 } 599 /* 600 * 4wire ak4114 protocol - starting sequence 601 */ 602 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) 603 { 604 unsigned int tmp; 605 606 snd_ice1712_save_gpio_status(ice); 607 tmp = snd_ice1712_gpio_read(ice); 608 609 tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ 610 tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ 611 snd_ice1712_gpio_write(ice, tmp); 612 udelay(1); 613 return tmp; 614 } 615 616 /* 617 * 4wire ak4114 protocol - final sequence 618 */ 619 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) 620 { 621 tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ 622 snd_ice1712_gpio_write(ice, tmp); 623 udelay(1); 624 snd_ice1712_restore_gpio_status(ice); 625 } 626 627 /* 628 * Write data to addr register of ak4114 629 */ 630 static void prodigy192_ak4114_write(void *private_data, unsigned char addr, 631 unsigned char data) 632 { 633 struct snd_ice1712 *ice = private_data; 634 unsigned int tmp, addrdata; 635 tmp = prodigy192_4wire_start(ice); 636 addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); 637 addrdata = (addrdata << 8) | data; 638 write_data(ice, tmp, addrdata, 15); 639 prodigy192_4wire_finish(ice, tmp); 640 } 641 642 /* 643 * Read data from addr register of ak4114 644 */ 645 static unsigned char prodigy192_ak4114_read(void *private_data, 646 unsigned char addr) 647 { 648 struct snd_ice1712 *ice = private_data; 649 unsigned int tmp; 650 unsigned char data; 651 652 tmp = prodigy192_4wire_start(ice); 653 write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); 654 data = read_data(ice, tmp, 7); 655 prodigy192_4wire_finish(ice, tmp); 656 return data; 657 } 658 659 660 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, 661 struct snd_ctl_elem_info *uinfo) 662 { 663 static char *texts[2] = { "Toslink", "Coax" }; 664 665 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 666 uinfo->count = 1; 667 uinfo->value.enumerated.items = 2; 668 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 669 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 670 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 671 return 0; 672 } 673 674 675 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, 676 struct snd_ctl_elem_value *ucontrol) 677 { 678 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 679 unsigned char val; 680 681 val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 682 /* AK4114_IPS0 bit = 0 -> RX0 = Toslink 683 * AK4114_IPS0 bit = 1 -> RX1 = Coax 684 */ 685 ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; 686 return 0; 687 } 688 689 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, 690 struct snd_ctl_elem_value *ucontrol) 691 { 692 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 693 unsigned char new, old, itemvalue; 694 int change; 695 696 old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 697 /* AK4114_IPS0 could be any bit */ 698 itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; 699 700 new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); 701 change = (new != old); 702 if (change) 703 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); 704 return change; 705 } 706 707 708 static struct snd_kcontrol_new ak4114_controls[] __devinitdata = { 709 { 710 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 711 .name = "MIODIO IEC958 Capture Input", 712 .info = ak4114_input_sw_info, 713 .get = ak4114_input_sw_get, 714 .put = ak4114_input_sw_put, 715 716 } 717 }; 718 719 720 static int prodigy192_ak4114_init(struct snd_ice1712 *ice) 721 { 722 static const unsigned char ak4114_init_vals[] = { 723 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 724 /* ice1724 expects I2S and provides clock, 725 * DEM0 disables the deemphasis filter 726 */ 727 AK4114_DIF_I24I2S | AK4114_DEM0 , 728 AK4114_TX1E, 729 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ 730 0, 731 0 732 }; 733 static const unsigned char ak4114_init_txcsb[] = { 734 0x41, 0x02, 0x2c, 0x00, 0x00 735 }; 736 737 return snd_ak4114_create(ice->card, 738 prodigy192_ak4114_read, 739 prodigy192_ak4114_write, 740 ak4114_init_vals, ak4114_init_txcsb, 741 ice, &ice->spec.prodigy192.ak4114); 742 } 743 744 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice) 745 { 746 unsigned int i; 747 int err; 748 749 for (i = 0; i < ARRAY_SIZE(stac_controls); i++) { 750 err = snd_ctl_add(ice->card, 751 snd_ctl_new1(&stac_controls[i], ice)); 752 if (err < 0) 753 return err; 754 } 755 if (ice->spec.prodigy192.ak4114) { 756 /* ak4114 is connected */ 757 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) { 758 err = snd_ctl_add(ice->card, 759 snd_ctl_new1(&ak4114_controls[i], 760 ice)); 761 if (err < 0) 762 return err; 763 } 764 err = snd_ak4114_build(ice->spec.prodigy192.ak4114, 765 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */ 766 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 767 if (err < 0) 768 return err; 769 } 770 return 0; 771 } 772 773 /* 774 * check for presence of MI/ODI/O add-on card with digital inputs 775 */ 776 static int prodigy192_miodio_exists(struct snd_ice1712 *ice) 777 { 778 779 unsigned char orig_value; 780 const unsigned char test_data = 0xd1; /* random value */ 781 unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */ 782 int exists = 0; 783 784 orig_value = prodigy192_ak4114_read(ice, addr); 785 prodigy192_ak4114_write(ice, addr, test_data); 786 if (prodigy192_ak4114_read(ice, addr) == test_data) { 787 /* ak4114 seems to communicate, apparently exists */ 788 /* writing back original value */ 789 prodigy192_ak4114_write(ice, addr, orig_value); 790 exists = 1; 791 } 792 return exists; 793 } 794 795 /* 796 * initialize the chip 797 */ 798 static int __devinit prodigy192_init(struct snd_ice1712 *ice) 799 { 800 static const unsigned short stac_inits_prodigy[] = { 801 STAC946X_RESET, 0, 802 /* STAC946X_MASTER_VOLUME, 0, 803 STAC946X_LF_VOLUME, 0, 804 STAC946X_RF_VOLUME, 0, 805 STAC946X_LR_VOLUME, 0, 806 STAC946X_RR_VOLUME, 0, 807 STAC946X_CENTER_VOLUME, 0, 808 STAC946X_LFE_VOLUME, 0,*/ 809 (unsigned short)-1 810 }; 811 const unsigned short *p; 812 int err = 0; 813 814 /* prodigy 192 */ 815 ice->num_total_dacs = 6; 816 ice->num_total_adcs = 2; 817 ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */ 818 819 /* initialize codec */ 820 p = stac_inits_prodigy; 821 for (; *p != (unsigned short)-1; p += 2) 822 stac9460_put(ice, p[0], p[1]); 823 824 /* MI/ODI/O add on card with AK4114 */ 825 if (prodigy192_miodio_exists(ice)) { 826 err = prodigy192_ak4114_init(ice); 827 /* from this moment if err = 0 then 828 * ice->spec.prodigy192.ak4114 should not be null 829 */ 830 snd_printdd("AK4114 initialized with status %d\n", err); 831 } else 832 snd_printdd("AK4114 not found\n"); 833 if (err < 0) 834 return err; 835 836 return 0; 837 } 838 839 840 /* 841 * Aureon boards don't provide the EEPROM data except for the vendor IDs. 842 * hence the driver needs to sets up it properly. 843 */ 844 845 static unsigned char prodigy71_eeprom[] __devinitdata = { 846 [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, 847 * spdif-in+ 1 stereo ADC, 848 * 3 stereo DACs 849 */ 850 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 851 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 852 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 853 [ICE_EEP2_GPIO_DIR] = 0xff, 854 [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , 855 [ICE_EEP2_GPIO_DIR2] = 0xbf, 856 [ICE_EEP2_GPIO_MASK] = 0x00, 857 [ICE_EEP2_GPIO_MASK1] = 0x00, 858 [ICE_EEP2_GPIO_MASK2] = 0x00, 859 [ICE_EEP2_GPIO_STATE] = 0x00, 860 [ICE_EEP2_GPIO_STATE1] = 0x00, 861 [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input 862 * passthrough, 863 * 1 = SPDIF-OUT from ice1724 864 */ 865 }; 866 867 868 /* entry point */ 869 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = { 870 { 871 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, 872 .name = "Audiotrak Prodigy 192", 873 .model = "prodigy192", 874 .chip_init = prodigy192_init, 875 .build_controls = prodigy192_add_controls, 876 .eeprom_size = sizeof(prodigy71_eeprom), 877 .eeprom_data = prodigy71_eeprom, 878 }, 879 { } /* terminator */ 880 }; 881