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 70 struct prodigy192_spec { 71 struct ak4114 *ak4114; 72 /* rate change needs atomic mute/unmute of all dacs*/ 73 struct mutex mute_mutex; 74 }; 75 76 static 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 81 static 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 */ 93 static 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 108 109 static 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 } 123 124 static 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 /*printk("Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx, 137 ucontrol->value.integer.value[0]);*/ 138 change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]); 139 mutex_unlock(&spec->mute_mutex); 140 return change; 141 } 142 143 /* 144 * DAC volume attenuation mixer control 145 */ 146 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 147 { 148 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 149 uinfo->count = 1; 150 uinfo->value.integer.min = 0; /* mute */ 151 uinfo->value.integer.max = 0x7f; /* 0dB */ 152 return 0; 153 } 154 155 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 156 { 157 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 158 int idx; 159 unsigned char vol; 160 161 if (kcontrol->private_value) 162 idx = STAC946X_MASTER_VOLUME; 163 else 164 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 165 vol = stac9460_get(ice, idx) & 0x7f; 166 ucontrol->value.integer.value[0] = 0x7f - vol; 167 168 return 0; 169 } 170 171 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 172 { 173 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 174 int idx; 175 unsigned char tmp, ovol, nvol; 176 int change; 177 178 if (kcontrol->private_value) 179 idx = STAC946X_MASTER_VOLUME; 180 else 181 idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; 182 nvol = ucontrol->value.integer.value[0]; 183 tmp = stac9460_get(ice, idx); 184 ovol = 0x7f - (tmp & 0x7f); 185 change = (ovol != nvol); 186 if (change) { 187 ovol = (0x7f - nvol) | (tmp & 0x80); 188 /*printk("DAC Volume: reg 0x%02x: 0x%02x\n", idx, ovol);*/ 189 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); 190 } 191 return change; 192 } 193 194 /* 195 * ADC mute control 196 */ 197 #define stac9460_adc_mute_info snd_ctl_boolean_stereo_info 198 199 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 200 { 201 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 202 unsigned char val; 203 int i; 204 205 for (i = 0; i < 2; ++i) { 206 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); 207 ucontrol->value.integer.value[i] = ~val>>7 & 0x1; 208 } 209 210 return 0; 211 } 212 213 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 214 { 215 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 216 unsigned char new, old; 217 int i, reg; 218 int change; 219 220 for (i = 0; i < 2; ++i) { 221 reg = STAC946X_MIC_L_VOLUME + i; 222 old = stac9460_get(ice, reg); 223 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80); 224 change = (new != old); 225 if (change) 226 stac9460_put(ice, reg, new); 227 } 228 229 return change; 230 } 231 232 /* 233 * ADC gain mixer control 234 */ 235 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 236 { 237 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 238 uinfo->count = 2; 239 uinfo->value.integer.min = 0; /* 0dB */ 240 uinfo->value.integer.max = 0x0f; /* 22.5dB */ 241 return 0; 242 } 243 244 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 245 { 246 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 247 int i, reg; 248 unsigned char vol; 249 250 for (i = 0; i < 2; ++i) { 251 reg = STAC946X_MIC_L_VOLUME + i; 252 vol = stac9460_get(ice, reg) & 0x0f; 253 ucontrol->value.integer.value[i] = 0x0f - vol; 254 } 255 256 return 0; 257 } 258 259 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 260 { 261 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 262 int i, reg; 263 unsigned char ovol, nvol; 264 int change; 265 266 for (i = 0; i < 2; ++i) { 267 reg = STAC946X_MIC_L_VOLUME + i; 268 nvol = ucontrol->value.integer.value[i] & 0x0f; 269 ovol = 0x0f - stac9460_get(ice, reg); 270 change = ((ovol & 0x0f) != nvol); 271 if (change) 272 stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f)); 273 } 274 275 return change; 276 } 277 278 static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, 279 struct snd_ctl_elem_info *uinfo) 280 { 281 static char *texts[2] = { "Line In", "Mic" }; 282 283 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 284 uinfo->count = 1; 285 uinfo->value.enumerated.items = 2; 286 287 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 288 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 289 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 290 291 return 0; 292 } 293 294 295 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, 296 struct snd_ctl_elem_value *ucontrol) 297 { 298 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 299 unsigned char val; 300 301 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 302 ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; 303 return 0; 304 } 305 306 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, 307 struct snd_ctl_elem_value *ucontrol) 308 { 309 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 310 unsigned char new, old; 311 int change; 312 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); 313 new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); 314 change = (new != old); 315 if (change) 316 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); 317 return change; 318 } 319 /* 320 * Handler for setting correct codec rate - called when rate change is detected 321 */ 322 static void stac9460_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate) 323 { 324 unsigned char old, new; 325 int idx; 326 unsigned char changed[7]; 327 struct snd_ice1712 *ice = ak->private_data[0]; 328 struct prodigy192_spec *spec = ice->spec; 329 330 if (rate == 0) /* no hint - S/PDIF input is master, simply return */ 331 return; 332 else if (rate <= 48000) 333 new = 0x08; /* 256x, base rate mode */ 334 else if (rate <= 96000) 335 new = 0x11; /* 256x, mid rate mode */ 336 else 337 new = 0x12; /* 128x, high rate mode */ 338 old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); 339 if (old == new) 340 return; 341 /* change detected, setting master clock, muting first */ 342 /* due to possible conflicts with mute controls - mutexing */ 343 mutex_lock(&spec->mute_mutex); 344 /* we have to remember current mute status for each DAC */ 345 for (idx = 0; idx < 7 ; ++idx) 346 changed[idx] = stac9460_dac_mute(ice, 347 STAC946X_MASTER_VOLUME + idx, 0); 348 /*printk("Rate change: %d, new MC: 0x%02x\n", rate, new);*/ 349 stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); 350 udelay(10); 351 /* unmuting - only originally unmuted dacs - 352 * i.e. those changed when muting */ 353 for (idx = 0; idx < 7 ; ++idx) { 354 if (changed[idx]) 355 stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1); 356 } 357 mutex_unlock(&spec->mute_mutex); 358 } 359 360 /* using akm infrastructure for setting rate of the codec */ 361 static struct snd_akm4xxx akmlike_stac9460 __devinitdata = { 362 .type = NON_AKM, /* special value */ 363 .num_adcs = 6, /* not used in any way, just for completeness */ 364 .num_dacs = 2, 365 .ops = { 366 .set_rate_val = stac9460_set_rate_val 367 } 368 }; 369 370 371 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); 372 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); 373 374 /* 375 * mixers 376 */ 377 378 static struct snd_kcontrol_new stac_controls[] __devinitdata = { 379 { 380 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 381 .name = "Master Playback Switch", 382 .info = stac9460_dac_mute_info, 383 .get = stac9460_dac_mute_get, 384 .put = stac9460_dac_mute_put, 385 .private_value = 1, 386 .tlv = { .p = db_scale_dac } 387 }, 388 { 389 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 390 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 391 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 392 .name = "Master Playback Volume", 393 .info = stac9460_dac_vol_info, 394 .get = stac9460_dac_vol_get, 395 .put = stac9460_dac_vol_put, 396 .private_value = 1, 397 .tlv = { .p = db_scale_dac } 398 }, 399 { 400 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 401 .name = "DAC Switch", 402 .count = 6, 403 .info = stac9460_dac_mute_info, 404 .get = stac9460_dac_mute_get, 405 .put = stac9460_dac_mute_put, 406 }, 407 { 408 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 409 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 410 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 411 .name = "DAC Volume", 412 .count = 6, 413 .info = stac9460_dac_vol_info, 414 .get = stac9460_dac_vol_get, 415 .put = stac9460_dac_vol_put, 416 .tlv = { .p = db_scale_dac } 417 }, 418 { 419 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 420 .name = "ADC Capture Switch", 421 .count = 1, 422 .info = stac9460_adc_mute_info, 423 .get = stac9460_adc_mute_get, 424 .put = stac9460_adc_mute_put, 425 426 }, 427 { 428 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 429 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 430 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 431 .name = "ADC Capture Volume", 432 .count = 1, 433 .info = stac9460_adc_vol_info, 434 .get = stac9460_adc_vol_get, 435 .put = stac9460_adc_vol_put, 436 .tlv = { .p = db_scale_adc } 437 }, 438 { 439 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 440 .name = "Analog Capture Input", 441 .info = stac9460_mic_sw_info, 442 .get = stac9460_mic_sw_get, 443 .put = stac9460_mic_sw_put, 444 445 }, 446 }; 447 448 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ 449 /* CDTO (pin 32) -- GPIO11 pin 86 450 * CDTI (pin 33) -- GPIO10 pin 77 451 * CCLK (pin 34) -- GPIO9 pin 76 452 * CSN (pin 35) -- GPIO8 pin 75 453 */ 454 #define AK4114_ADDR 0x00 /* C1-C0: Chip Address 455 * (According to datasheet fixed to “00”) 456 */ 457 458 /* 459 * 4wire ak4114 protocol - writing data 460 */ 461 static void write_data(struct snd_ice1712 *ice, unsigned int gpio, 462 unsigned int data, int idx) 463 { 464 for (; idx >= 0; idx--) { 465 /* drop clock */ 466 gpio &= ~VT1724_PRODIGY192_CCLK; 467 snd_ice1712_gpio_write(ice, gpio); 468 udelay(1); 469 /* set data */ 470 if (data & (1 << idx)) 471 gpio |= VT1724_PRODIGY192_CDOUT; 472 else 473 gpio &= ~VT1724_PRODIGY192_CDOUT; 474 snd_ice1712_gpio_write(ice, gpio); 475 udelay(1); 476 /* raise clock */ 477 gpio |= VT1724_PRODIGY192_CCLK; 478 snd_ice1712_gpio_write(ice, gpio); 479 udelay(1); 480 } 481 } 482 483 /* 484 * 4wire ak4114 protocol - reading data 485 */ 486 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, 487 int idx) 488 { 489 unsigned char data = 0; 490 491 for (; idx >= 0; idx--) { 492 /* drop clock */ 493 gpio &= ~VT1724_PRODIGY192_CCLK; 494 snd_ice1712_gpio_write(ice, gpio); 495 udelay(1); 496 /* read data */ 497 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) 498 data |= (1 << idx); 499 udelay(1); 500 /* raise clock */ 501 gpio |= VT1724_PRODIGY192_CCLK; 502 snd_ice1712_gpio_write(ice, gpio); 503 udelay(1); 504 } 505 return data; 506 } 507 /* 508 * 4wire ak4114 protocol - starting sequence 509 */ 510 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) 511 { 512 unsigned int tmp; 513 514 snd_ice1712_save_gpio_status(ice); 515 tmp = snd_ice1712_gpio_read(ice); 516 517 tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ 518 tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ 519 snd_ice1712_gpio_write(ice, tmp); 520 udelay(1); 521 return tmp; 522 } 523 524 /* 525 * 4wire ak4114 protocol - final sequence 526 */ 527 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) 528 { 529 tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ 530 snd_ice1712_gpio_write(ice, tmp); 531 udelay(1); 532 snd_ice1712_restore_gpio_status(ice); 533 } 534 535 /* 536 * Write data to addr register of ak4114 537 */ 538 static void prodigy192_ak4114_write(void *private_data, unsigned char addr, 539 unsigned char data) 540 { 541 struct snd_ice1712 *ice = private_data; 542 unsigned int tmp, addrdata; 543 tmp = prodigy192_4wire_start(ice); 544 addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); 545 addrdata = (addrdata << 8) | data; 546 write_data(ice, tmp, addrdata, 15); 547 prodigy192_4wire_finish(ice, tmp); 548 } 549 550 /* 551 * Read data from addr register of ak4114 552 */ 553 static unsigned char prodigy192_ak4114_read(void *private_data, 554 unsigned char addr) 555 { 556 struct snd_ice1712 *ice = private_data; 557 unsigned int tmp; 558 unsigned char data; 559 560 tmp = prodigy192_4wire_start(ice); 561 write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); 562 data = read_data(ice, tmp, 7); 563 prodigy192_4wire_finish(ice, tmp); 564 return data; 565 } 566 567 568 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_info *uinfo) 570 { 571 static char *texts[2] = { "Toslink", "Coax" }; 572 573 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 574 uinfo->count = 1; 575 uinfo->value.enumerated.items = 2; 576 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 577 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 578 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 579 return 0; 580 } 581 582 583 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, 584 struct snd_ctl_elem_value *ucontrol) 585 { 586 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 587 unsigned char val; 588 589 val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 590 /* AK4114_IPS0 bit = 0 -> RX0 = Toslink 591 * AK4114_IPS0 bit = 1 -> RX1 = Coax 592 */ 593 ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; 594 return 0; 595 } 596 597 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, 598 struct snd_ctl_elem_value *ucontrol) 599 { 600 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 601 unsigned char new, old, itemvalue; 602 int change; 603 604 old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 605 /* AK4114_IPS0 could be any bit */ 606 itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; 607 608 new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); 609 change = (new != old); 610 if (change) 611 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); 612 return change; 613 } 614 615 616 static struct snd_kcontrol_new ak4114_controls[] __devinitdata = { 617 { 618 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 619 .name = "MIODIO IEC958 Capture Input", 620 .info = ak4114_input_sw_info, 621 .get = ak4114_input_sw_get, 622 .put = ak4114_input_sw_put, 623 624 } 625 }; 626 627 628 static int prodigy192_ak4114_init(struct snd_ice1712 *ice) 629 { 630 static const unsigned char ak4114_init_vals[] = { 631 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 632 /* ice1724 expects I2S and provides clock, 633 * DEM0 disables the deemphasis filter 634 */ 635 AK4114_DIF_I24I2S | AK4114_DEM0 , 636 AK4114_TX1E, 637 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ 638 0, 639 0 640 }; 641 static const unsigned char ak4114_init_txcsb[] = { 642 0x41, 0x02, 0x2c, 0x00, 0x00 643 }; 644 struct prodigy192_spec *spec = ice->spec; 645 646 return snd_ak4114_create(ice->card, 647 prodigy192_ak4114_read, 648 prodigy192_ak4114_write, 649 ak4114_init_vals, ak4114_init_txcsb, 650 ice, &spec->ak4114); 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 = (struct snd_ice1712 *)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 __devinit 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 __devinit 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 snd_akm4xxx *ak; 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 /* reusing the akm codecs infrastructure, 765 * for setting rate on stac9460 */ 766 ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); 767 if (!ak) 768 return -ENOMEM; 769 ice->akm_codecs = 1; 770 err = snd_ice1712_akm4xxx_init(ak, &akmlike_stac9460, NULL, ice); 771 if (err < 0) 772 return err; 773 774 /* MI/ODI/O add on card with AK4114 */ 775 if (prodigy192_miodio_exists(ice)) { 776 err = prodigy192_ak4114_init(ice); 777 /* from this moment if err = 0 then 778 * spec->ak4114 should not be null 779 */ 780 snd_printdd("AK4114 initialized with status %d\n", err); 781 } else 782 snd_printdd("AK4114 not found\n"); 783 if (err < 0) 784 return err; 785 786 return 0; 787 } 788 789 790 /* 791 * Aureon boards don't provide the EEPROM data except for the vendor IDs. 792 * hence the driver needs to sets up it properly. 793 */ 794 795 static unsigned char prodigy71_eeprom[] __devinitdata = { 796 [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, 797 * spdif-in+ 1 stereo ADC, 798 * 3 stereo DACs 799 */ 800 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 801 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 802 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 803 [ICE_EEP2_GPIO_DIR] = 0xff, 804 [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , 805 [ICE_EEP2_GPIO_DIR2] = 0xbf, 806 [ICE_EEP2_GPIO_MASK] = 0x00, 807 [ICE_EEP2_GPIO_MASK1] = 0x00, 808 [ICE_EEP2_GPIO_MASK2] = 0x00, 809 [ICE_EEP2_GPIO_STATE] = 0x00, 810 [ICE_EEP2_GPIO_STATE1] = 0x00, 811 [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input 812 * passthrough, 813 * 1 = SPDIF-OUT from ice1724 814 */ 815 }; 816 817 818 /* entry point */ 819 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = { 820 { 821 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, 822 .name = "Audiotrak Prodigy 192", 823 .model = "prodigy192", 824 .chip_init = prodigy192_init, 825 .build_controls = prodigy192_add_controls, 826 .eeprom_size = sizeof(prodigy71_eeprom), 827 .eeprom_data = prodigy71_eeprom, 828 /* the current MPU401 code loops infinitely 829 * when opening midi device 830 */ 831 .no_mpu401 = 1, 832 }, 833 { } /* terminator */ 834 }; 835