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_ice1712 *ice, unsigned int rate) 323 { 324 unsigned char old, new; 325 int idx; 326 unsigned char changed[7]; 327 struct prodigy192_spec *spec = ice->spec; 328 329 if (rate == 0) /* no hint - S/PDIF input is master, simply return */ 330 return; 331 else if (rate <= 48000) 332 new = 0x08; /* 256x, base rate mode */ 333 else if (rate <= 96000) 334 new = 0x11; /* 256x, mid rate mode */ 335 else 336 new = 0x12; /* 128x, high rate mode */ 337 old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); 338 if (old == new) 339 return; 340 /* change detected, setting master clock, muting first */ 341 /* due to possible conflicts with mute controls - mutexing */ 342 mutex_lock(&spec->mute_mutex); 343 /* we have to remember current mute status for each DAC */ 344 for (idx = 0; idx < 7 ; ++idx) 345 changed[idx] = stac9460_dac_mute(ice, 346 STAC946X_MASTER_VOLUME + idx, 0); 347 /*printk("Rate change: %d, new MC: 0x%02x\n", rate, new);*/ 348 stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); 349 udelay(10); 350 /* unmuting - only originally unmuted dacs - 351 * i.e. those changed when muting */ 352 for (idx = 0; idx < 7 ; ++idx) { 353 if (changed[idx]) 354 stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1); 355 } 356 mutex_unlock(&spec->mute_mutex); 357 } 358 359 360 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); 361 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); 362 363 /* 364 * mixers 365 */ 366 367 static struct snd_kcontrol_new stac_controls[] __devinitdata = { 368 { 369 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 370 .name = "Master Playback Switch", 371 .info = stac9460_dac_mute_info, 372 .get = stac9460_dac_mute_get, 373 .put = stac9460_dac_mute_put, 374 .private_value = 1, 375 .tlv = { .p = db_scale_dac } 376 }, 377 { 378 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 379 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 380 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 381 .name = "Master Playback Volume", 382 .info = stac9460_dac_vol_info, 383 .get = stac9460_dac_vol_get, 384 .put = stac9460_dac_vol_put, 385 .private_value = 1, 386 .tlv = { .p = db_scale_dac } 387 }, 388 { 389 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 390 .name = "DAC Switch", 391 .count = 6, 392 .info = stac9460_dac_mute_info, 393 .get = stac9460_dac_mute_get, 394 .put = stac9460_dac_mute_put, 395 }, 396 { 397 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 398 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 399 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 400 .name = "DAC Volume", 401 .count = 6, 402 .info = stac9460_dac_vol_info, 403 .get = stac9460_dac_vol_get, 404 .put = stac9460_dac_vol_put, 405 .tlv = { .p = db_scale_dac } 406 }, 407 { 408 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 409 .name = "ADC Capture Switch", 410 .count = 1, 411 .info = stac9460_adc_mute_info, 412 .get = stac9460_adc_mute_get, 413 .put = stac9460_adc_mute_put, 414 415 }, 416 { 417 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 418 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 419 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 420 .name = "ADC Capture Volume", 421 .count = 1, 422 .info = stac9460_adc_vol_info, 423 .get = stac9460_adc_vol_get, 424 .put = stac9460_adc_vol_put, 425 .tlv = { .p = db_scale_adc } 426 }, 427 { 428 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 429 .name = "Analog Capture Input", 430 .info = stac9460_mic_sw_info, 431 .get = stac9460_mic_sw_get, 432 .put = stac9460_mic_sw_put, 433 434 }, 435 }; 436 437 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ 438 /* CDTO (pin 32) -- GPIO11 pin 86 439 * CDTI (pin 33) -- GPIO10 pin 77 440 * CCLK (pin 34) -- GPIO9 pin 76 441 * CSN (pin 35) -- GPIO8 pin 75 442 */ 443 #define AK4114_ADDR 0x00 /* C1-C0: Chip Address 444 * (According to datasheet fixed to “00”) 445 */ 446 447 /* 448 * 4wire ak4114 protocol - writing data 449 */ 450 static void write_data(struct snd_ice1712 *ice, unsigned int gpio, 451 unsigned int data, int idx) 452 { 453 for (; idx >= 0; idx--) { 454 /* drop clock */ 455 gpio &= ~VT1724_PRODIGY192_CCLK; 456 snd_ice1712_gpio_write(ice, gpio); 457 udelay(1); 458 /* set data */ 459 if (data & (1 << idx)) 460 gpio |= VT1724_PRODIGY192_CDOUT; 461 else 462 gpio &= ~VT1724_PRODIGY192_CDOUT; 463 snd_ice1712_gpio_write(ice, gpio); 464 udelay(1); 465 /* raise clock */ 466 gpio |= VT1724_PRODIGY192_CCLK; 467 snd_ice1712_gpio_write(ice, gpio); 468 udelay(1); 469 } 470 } 471 472 /* 473 * 4wire ak4114 protocol - reading data 474 */ 475 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, 476 int idx) 477 { 478 unsigned char data = 0; 479 480 for (; idx >= 0; idx--) { 481 /* drop clock */ 482 gpio &= ~VT1724_PRODIGY192_CCLK; 483 snd_ice1712_gpio_write(ice, gpio); 484 udelay(1); 485 /* read data */ 486 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) 487 data |= (1 << idx); 488 udelay(1); 489 /* raise clock */ 490 gpio |= VT1724_PRODIGY192_CCLK; 491 snd_ice1712_gpio_write(ice, gpio); 492 udelay(1); 493 } 494 return data; 495 } 496 /* 497 * 4wire ak4114 protocol - starting sequence 498 */ 499 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) 500 { 501 unsigned int tmp; 502 503 snd_ice1712_save_gpio_status(ice); 504 tmp = snd_ice1712_gpio_read(ice); 505 506 tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ 507 tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ 508 snd_ice1712_gpio_write(ice, tmp); 509 udelay(1); 510 return tmp; 511 } 512 513 /* 514 * 4wire ak4114 protocol - final sequence 515 */ 516 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) 517 { 518 tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ 519 snd_ice1712_gpio_write(ice, tmp); 520 udelay(1); 521 snd_ice1712_restore_gpio_status(ice); 522 } 523 524 /* 525 * Write data to addr register of ak4114 526 */ 527 static void prodigy192_ak4114_write(void *private_data, unsigned char addr, 528 unsigned char data) 529 { 530 struct snd_ice1712 *ice = private_data; 531 unsigned int tmp, addrdata; 532 tmp = prodigy192_4wire_start(ice); 533 addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); 534 addrdata = (addrdata << 8) | data; 535 write_data(ice, tmp, addrdata, 15); 536 prodigy192_4wire_finish(ice, tmp); 537 } 538 539 /* 540 * Read data from addr register of ak4114 541 */ 542 static unsigned char prodigy192_ak4114_read(void *private_data, 543 unsigned char addr) 544 { 545 struct snd_ice1712 *ice = private_data; 546 unsigned int tmp; 547 unsigned char data; 548 549 tmp = prodigy192_4wire_start(ice); 550 write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); 551 data = read_data(ice, tmp, 7); 552 prodigy192_4wire_finish(ice, tmp); 553 return data; 554 } 555 556 557 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_info *uinfo) 559 { 560 static char *texts[2] = { "Toslink", "Coax" }; 561 562 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 563 uinfo->count = 1; 564 uinfo->value.enumerated.items = 2; 565 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 566 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; 567 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 568 return 0; 569 } 570 571 572 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol) 574 { 575 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 576 unsigned char val; 577 578 val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 579 /* AK4114_IPS0 bit = 0 -> RX0 = Toslink 580 * AK4114_IPS0 bit = 1 -> RX1 = Coax 581 */ 582 ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; 583 return 0; 584 } 585 586 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_value *ucontrol) 588 { 589 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 590 unsigned char new, old, itemvalue; 591 int change; 592 593 old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); 594 /* AK4114_IPS0 could be any bit */ 595 itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; 596 597 new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); 598 change = (new != old); 599 if (change) 600 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); 601 return change; 602 } 603 604 605 static struct snd_kcontrol_new ak4114_controls[] __devinitdata = { 606 { 607 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 608 .name = "MIODIO IEC958 Capture Input", 609 .info = ak4114_input_sw_info, 610 .get = ak4114_input_sw_get, 611 .put = ak4114_input_sw_put, 612 613 } 614 }; 615 616 617 static int prodigy192_ak4114_init(struct snd_ice1712 *ice) 618 { 619 static const unsigned char ak4114_init_vals[] = { 620 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 621 /* ice1724 expects I2S and provides clock, 622 * DEM0 disables the deemphasis filter 623 */ 624 AK4114_DIF_I24I2S | AK4114_DEM0 , 625 AK4114_TX1E, 626 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ 627 0, 628 0 629 }; 630 static const unsigned char ak4114_init_txcsb[] = { 631 0x41, 0x02, 0x2c, 0x00, 0x00 632 }; 633 struct prodigy192_spec *spec = ice->spec; 634 int err; 635 636 err = snd_ak4114_create(ice->card, 637 prodigy192_ak4114_read, 638 prodigy192_ak4114_write, 639 ak4114_init_vals, ak4114_init_txcsb, 640 ice, &spec->ak4114); 641 if (err < 0) 642 return err; 643 /* AK4114 in Prodigy192 cannot detect external rate correctly. 644 * No reason to stop capture stream due to incorrect checks */ 645 spec->ak4114->check_flags = AK4114_CHECK_NO_RATE; 646 return 0; 647 } 648 649 static void stac9460_proc_regs_read(struct snd_info_entry *entry, 650 struct snd_info_buffer *buffer) 651 { 652 struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data; 653 int reg, val; 654 /* registers 0x0 - 0x14 */ 655 for (reg = 0; reg <= 0x15; reg++) { 656 val = stac9460_get(ice, reg); 657 snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val); 658 } 659 } 660 661 662 static void stac9460_proc_init(struct snd_ice1712 *ice) 663 { 664 struct snd_info_entry *entry; 665 if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry)) 666 snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read); 667 } 668 669 670 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice) 671 { 672 struct prodigy192_spec *spec = ice->spec; 673 unsigned int i; 674 int err; 675 676 for (i = 0; i < ARRAY_SIZE(stac_controls); i++) { 677 err = snd_ctl_add(ice->card, 678 snd_ctl_new1(&stac_controls[i], ice)); 679 if (err < 0) 680 return err; 681 } 682 if (spec->ak4114) { 683 /* ak4114 is connected */ 684 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) { 685 err = snd_ctl_add(ice->card, 686 snd_ctl_new1(&ak4114_controls[i], 687 ice)); 688 if (err < 0) 689 return err; 690 } 691 err = snd_ak4114_build(spec->ak4114, 692 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */ 693 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 694 if (err < 0) 695 return err; 696 } 697 stac9460_proc_init(ice); 698 return 0; 699 } 700 701 /* 702 * check for presence of MI/ODI/O add-on card with digital inputs 703 */ 704 static int prodigy192_miodio_exists(struct snd_ice1712 *ice) 705 { 706 707 unsigned char orig_value; 708 const unsigned char test_data = 0xd1; /* random value */ 709 unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */ 710 int exists = 0; 711 712 orig_value = prodigy192_ak4114_read(ice, addr); 713 prodigy192_ak4114_write(ice, addr, test_data); 714 if (prodigy192_ak4114_read(ice, addr) == test_data) { 715 /* ak4114 seems to communicate, apparently exists */ 716 /* writing back original value */ 717 prodigy192_ak4114_write(ice, addr, orig_value); 718 exists = 1; 719 } 720 return exists; 721 } 722 723 /* 724 * initialize the chip 725 */ 726 static int __devinit prodigy192_init(struct snd_ice1712 *ice) 727 { 728 static const unsigned short stac_inits_prodigy[] = { 729 STAC946X_RESET, 0, 730 STAC946X_MASTER_CLOCKING, 0x11, 731 /* STAC946X_MASTER_VOLUME, 0, 732 STAC946X_LF_VOLUME, 0, 733 STAC946X_RF_VOLUME, 0, 734 STAC946X_LR_VOLUME, 0, 735 STAC946X_RR_VOLUME, 0, 736 STAC946X_CENTER_VOLUME, 0, 737 STAC946X_LFE_VOLUME, 0,*/ 738 (unsigned short)-1 739 }; 740 const unsigned short *p; 741 int err = 0; 742 struct prodigy192_spec *spec; 743 744 /* prodigy 192 */ 745 ice->num_total_dacs = 6; 746 ice->num_total_adcs = 2; 747 ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */ 748 749 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 750 if (!spec) 751 return -ENOMEM; 752 ice->spec = spec; 753 mutex_init(&spec->mute_mutex); 754 755 /* initialize codec */ 756 p = stac_inits_prodigy; 757 for (; *p != (unsigned short)-1; p += 2) 758 stac9460_put(ice, p[0], p[1]); 759 ice->gpio.set_pro_rate = stac9460_set_rate_val; 760 761 /* MI/ODI/O add on card with AK4114 */ 762 if (prodigy192_miodio_exists(ice)) { 763 err = prodigy192_ak4114_init(ice); 764 /* from this moment if err = 0 then 765 * spec->ak4114 should not be null 766 */ 767 snd_printdd("AK4114 initialized with status %d\n", err); 768 } else 769 snd_printdd("AK4114 not found\n"); 770 if (err < 0) 771 return err; 772 773 return 0; 774 } 775 776 777 /* 778 * Aureon boards don't provide the EEPROM data except for the vendor IDs. 779 * hence the driver needs to sets up it properly. 780 */ 781 782 static unsigned char prodigy71_eeprom[] __devinitdata = { 783 [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, 784 * spdif-in+ 1 stereo ADC, 785 * 3 stereo DACs 786 */ 787 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 788 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 789 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 790 [ICE_EEP2_GPIO_DIR] = 0xff, 791 [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , 792 [ICE_EEP2_GPIO_DIR2] = 0xbf, 793 [ICE_EEP2_GPIO_MASK] = 0x00, 794 [ICE_EEP2_GPIO_MASK1] = 0x00, 795 [ICE_EEP2_GPIO_MASK2] = 0x00, 796 [ICE_EEP2_GPIO_STATE] = 0x00, 797 [ICE_EEP2_GPIO_STATE1] = 0x00, 798 [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input 799 * passthrough, 800 * 1 = SPDIF-OUT from ice1724 801 */ 802 }; 803 804 805 /* entry point */ 806 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = { 807 { 808 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, 809 .name = "Audiotrak Prodigy 192", 810 .model = "prodigy192", 811 .chip_init = prodigy192_init, 812 .build_controls = prodigy192_add_controls, 813 .eeprom_size = sizeof(prodigy71_eeprom), 814 .eeprom_data = prodigy71_eeprom, 815 }, 816 { } /* terminator */ 817 }; 818