1 /* 2 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 3 * 4 * Lowlevel functions for ESI Juli@ cards 5 * 6 * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz> 7 * 2008 Pavel Hofman <dustin@seznam.cz> 8 * 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 #include <asm/io.h> 27 #include <linux/delay.h> 28 #include <linux/interrupt.h> 29 #include <linux/init.h> 30 #include <linux/slab.h> 31 #include <sound/core.h> 32 #include <sound/tlv.h> 33 34 #include "ice1712.h" 35 #include "envy24ht.h" 36 #include "juli.h" 37 38 struct juli_spec { 39 struct ak4114 *ak4114; 40 unsigned int analog:1; 41 }; 42 43 /* 44 * chip addresses on I2C bus 45 */ 46 #define AK4114_ADDR 0x20 /* S/PDIF receiver */ 47 #define AK4358_ADDR 0x22 /* DAC */ 48 49 /* 50 * Juli does not use the standard ICE1724 clock scheme. Juli's ice1724 chip is 51 * supplied by external clock provided by Xilinx array and MK73-1 PLL frequency 52 * multiplier. Actual frequency is set by ice1724 GPIOs hooked to the Xilinx. 53 * 54 * The clock circuitry is supplied by the two ice1724 crystals. This 55 * arrangement allows to generate independent clock signal for AK4114's input 56 * rate detection circuit. As a result, Juli, unlike most other 57 * ice1724+ak4114-based cards, detects spdif input rate correctly. 58 * This fact is applied in the driver, allowing to modify PCM stream rate 59 * parameter according to the actual input rate. 60 * 61 * Juli uses the remaining three stereo-channels of its DAC to optionally 62 * monitor analog input, digital input, and digital output. The corresponding 63 * I2S signals are routed by Xilinx, controlled by GPIOs. 64 * 65 * The master mute is implemented using output muting transistors (GPIO) in 66 * combination with smuting the DAC. 67 * 68 * The card itself has no HW master volume control, implemented using the 69 * vmaster control. 70 * 71 * TODO: 72 * researching and fixing the input monitors 73 */ 74 75 /* 76 * GPIO pins 77 */ 78 #define GPIO_FREQ_MASK (3<<0) 79 #define GPIO_FREQ_32KHZ (0<<0) 80 #define GPIO_FREQ_44KHZ (1<<0) 81 #define GPIO_FREQ_48KHZ (2<<0) 82 #define GPIO_MULTI_MASK (3<<2) 83 #define GPIO_MULTI_4X (0<<2) 84 #define GPIO_MULTI_2X (1<<2) 85 #define GPIO_MULTI_1X (2<<2) /* also external */ 86 #define GPIO_MULTI_HALF (3<<2) 87 #define GPIO_INTERNAL_CLOCK (1<<4) /* 0 = external, 1 = internal */ 88 #define GPIO_CLOCK_MASK (1<<4) 89 #define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */ 90 #define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */ 91 #define GPIO_AK5385A_CKS0 (1<<8) 92 #define GPIO_AK5385A_DFS1 (1<<9) 93 #define GPIO_AK5385A_DFS0 (1<<10) 94 #define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */ 95 #define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */ 96 #define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */ 97 #define GPIO_AK5385A_CKS1 (1<<14) /* must be 0 */ 98 #define GPIO_MUTE_CONTROL (1<<15) /* output mute, 1 = muted */ 99 100 #define GPIO_RATE_MASK (GPIO_FREQ_MASK | GPIO_MULTI_MASK | \ 101 GPIO_CLOCK_MASK) 102 #define GPIO_AK5385A_MASK (GPIO_AK5385A_CKS0 | GPIO_AK5385A_DFS0 | \ 103 GPIO_AK5385A_DFS1 | GPIO_AK5385A_CKS1) 104 105 #define JULI_PCM_RATE (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \ 106 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ 107 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | \ 108 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \ 109 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) 110 111 #define GPIO_RATE_16000 (GPIO_FREQ_32KHZ | GPIO_MULTI_HALF | \ 112 GPIO_INTERNAL_CLOCK) 113 #define GPIO_RATE_22050 (GPIO_FREQ_44KHZ | GPIO_MULTI_HALF | \ 114 GPIO_INTERNAL_CLOCK) 115 #define GPIO_RATE_24000 (GPIO_FREQ_48KHZ | GPIO_MULTI_HALF | \ 116 GPIO_INTERNAL_CLOCK) 117 #define GPIO_RATE_32000 (GPIO_FREQ_32KHZ | GPIO_MULTI_1X | \ 118 GPIO_INTERNAL_CLOCK) 119 #define GPIO_RATE_44100 (GPIO_FREQ_44KHZ | GPIO_MULTI_1X | \ 120 GPIO_INTERNAL_CLOCK) 121 #define GPIO_RATE_48000 (GPIO_FREQ_48KHZ | GPIO_MULTI_1X | \ 122 GPIO_INTERNAL_CLOCK) 123 #define GPIO_RATE_64000 (GPIO_FREQ_32KHZ | GPIO_MULTI_2X | \ 124 GPIO_INTERNAL_CLOCK) 125 #define GPIO_RATE_88200 (GPIO_FREQ_44KHZ | GPIO_MULTI_2X | \ 126 GPIO_INTERNAL_CLOCK) 127 #define GPIO_RATE_96000 (GPIO_FREQ_48KHZ | GPIO_MULTI_2X | \ 128 GPIO_INTERNAL_CLOCK) 129 #define GPIO_RATE_176400 (GPIO_FREQ_44KHZ | GPIO_MULTI_4X | \ 130 GPIO_INTERNAL_CLOCK) 131 #define GPIO_RATE_192000 (GPIO_FREQ_48KHZ | GPIO_MULTI_4X | \ 132 GPIO_INTERNAL_CLOCK) 133 134 /* 135 * Initial setup of the conversion array GPIO <-> rate 136 */ 137 static unsigned int juli_rates[] = { 138 16000, 22050, 24000, 32000, 139 44100, 48000, 64000, 88200, 140 96000, 176400, 192000, 141 }; 142 143 static unsigned int gpio_vals[] = { 144 GPIO_RATE_16000, GPIO_RATE_22050, GPIO_RATE_24000, GPIO_RATE_32000, 145 GPIO_RATE_44100, GPIO_RATE_48000, GPIO_RATE_64000, GPIO_RATE_88200, 146 GPIO_RATE_96000, GPIO_RATE_176400, GPIO_RATE_192000, 147 }; 148 149 static struct snd_pcm_hw_constraint_list juli_rates_info = { 150 .count = ARRAY_SIZE(juli_rates), 151 .list = juli_rates, 152 .mask = 0, 153 }; 154 155 static int get_gpio_val(int rate) 156 { 157 int i; 158 for (i = 0; i < ARRAY_SIZE(juli_rates); i++) 159 if (juli_rates[i] == rate) 160 return gpio_vals[i]; 161 return 0; 162 } 163 164 static void juli_ak4114_write(void *private_data, unsigned char reg, 165 unsigned char val) 166 { 167 snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4114_ADDR, 168 reg, val); 169 } 170 171 static unsigned char juli_ak4114_read(void *private_data, unsigned char reg) 172 { 173 return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data, 174 AK4114_ADDR, reg); 175 } 176 177 /* 178 * If SPDIF capture and slaved to SPDIF-IN, setting runtime rate 179 * to the external rate 180 */ 181 static void juli_spdif_in_open(struct snd_ice1712 *ice, 182 struct snd_pcm_substream *substream) 183 { 184 struct juli_spec *spec = ice->spec; 185 struct snd_pcm_runtime *runtime = substream->runtime; 186 int rate; 187 188 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || 189 !ice->is_spdif_master(ice)) 190 return; 191 rate = snd_ak4114_external_rate(spec->ak4114); 192 if (rate >= runtime->hw.rate_min && rate <= runtime->hw.rate_max) { 193 runtime->hw.rate_min = rate; 194 runtime->hw.rate_max = rate; 195 } 196 } 197 198 /* 199 * AK4358 section 200 */ 201 202 static void juli_akm_lock(struct snd_akm4xxx *ak, int chip) 203 { 204 } 205 206 static void juli_akm_unlock(struct snd_akm4xxx *ak, int chip) 207 { 208 } 209 210 static void juli_akm_write(struct snd_akm4xxx *ak, int chip, 211 unsigned char addr, unsigned char data) 212 { 213 struct snd_ice1712 *ice = ak->private_data[0]; 214 215 if (snd_BUG_ON(chip)) 216 return; 217 snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data); 218 } 219 220 /* 221 * change the rate of envy24HT, AK4358, AK5385 222 */ 223 static void juli_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate) 224 { 225 unsigned char old, tmp, ak4358_dfs; 226 unsigned int ak5385_pins, old_gpio, new_gpio; 227 struct snd_ice1712 *ice = ak->private_data[0]; 228 struct juli_spec *spec = ice->spec; 229 230 if (rate == 0) /* no hint - S/PDIF input is master or the new spdif 231 input rate undetected, simply return */ 232 return; 233 234 /* adjust DFS on codecs */ 235 if (rate > 96000) { 236 ak4358_dfs = 2; 237 ak5385_pins = GPIO_AK5385A_DFS1 | GPIO_AK5385A_CKS0; 238 } else if (rate > 48000) { 239 ak4358_dfs = 1; 240 ak5385_pins = GPIO_AK5385A_DFS0; 241 } else { 242 ak4358_dfs = 0; 243 ak5385_pins = 0; 244 } 245 /* AK5385 first, since it requires cold reset affecting both codecs */ 246 old_gpio = ice->gpio.get_data(ice); 247 new_gpio = (old_gpio & ~GPIO_AK5385A_MASK) | ak5385_pins; 248 /* printk(KERN_DEBUG "JULI - ak5385 set_rate_val: new gpio 0x%x\n", 249 new_gpio); */ 250 ice->gpio.set_data(ice, new_gpio); 251 252 /* cold reset */ 253 old = inb(ICEMT1724(ice, AC97_CMD)); 254 outb(old | VT1724_AC97_COLD, ICEMT1724(ice, AC97_CMD)); 255 udelay(1); 256 outb(old & ~VT1724_AC97_COLD, ICEMT1724(ice, AC97_CMD)); 257 258 /* AK4358 */ 259 /* set new value, reset DFS */ 260 tmp = snd_akm4xxx_get(ak, 0, 2); 261 snd_akm4xxx_reset(ak, 1); 262 tmp = snd_akm4xxx_get(ak, 0, 2); 263 tmp &= ~(0x03 << 4); 264 tmp |= ak4358_dfs << 4; 265 snd_akm4xxx_set(ak, 0, 2, tmp); 266 snd_akm4xxx_reset(ak, 0); 267 268 /* reinit ak4114 */ 269 snd_ak4114_reinit(spec->ak4114); 270 } 271 272 #define AK_DAC(xname, xch) { .name = xname, .num_channels = xch } 273 #define PCM_VOLUME "PCM Playback Volume" 274 #define MONITOR_AN_IN_VOLUME "Monitor Analog In Volume" 275 #define MONITOR_DIG_IN_VOLUME "Monitor Digital In Volume" 276 #define MONITOR_DIG_OUT_VOLUME "Monitor Digital Out Volume" 277 278 static const struct snd_akm4xxx_dac_channel juli_dac[] = { 279 AK_DAC(PCM_VOLUME, 2), 280 AK_DAC(MONITOR_AN_IN_VOLUME, 2), 281 AK_DAC(MONITOR_DIG_OUT_VOLUME, 2), 282 AK_DAC(MONITOR_DIG_IN_VOLUME, 2), 283 }; 284 285 286 static struct snd_akm4xxx akm_juli_dac __devinitdata = { 287 .type = SND_AK4358, 288 .num_dacs = 8, /* DAC1 - analog out 289 DAC2 - analog in monitor 290 DAC3 - digital out monitor 291 DAC4 - digital in monitor 292 */ 293 .ops = { 294 .lock = juli_akm_lock, 295 .unlock = juli_akm_unlock, 296 .write = juli_akm_write, 297 .set_rate_val = juli_akm_set_rate_val 298 }, 299 .dac_info = juli_dac, 300 }; 301 302 #define juli_mute_info snd_ctl_boolean_mono_info 303 304 static int juli_mute_get(struct snd_kcontrol *kcontrol, 305 struct snd_ctl_elem_value *ucontrol) 306 { 307 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 308 unsigned int val; 309 val = ice->gpio.get_data(ice) & (unsigned int) kcontrol->private_value; 310 if (kcontrol->private_value == GPIO_MUTE_CONTROL) 311 /* val 0 = signal on */ 312 ucontrol->value.integer.value[0] = (val) ? 0 : 1; 313 else 314 /* val 1 = signal on */ 315 ucontrol->value.integer.value[0] = (val) ? 1 : 0; 316 return 0; 317 } 318 319 static int juli_mute_put(struct snd_kcontrol *kcontrol, 320 struct snd_ctl_elem_value *ucontrol) 321 { 322 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 323 unsigned int old_gpio, new_gpio; 324 old_gpio = ice->gpio.get_data(ice); 325 if (ucontrol->value.integer.value[0]) { 326 /* unmute */ 327 if (kcontrol->private_value == GPIO_MUTE_CONTROL) { 328 /* 0 = signal on */ 329 new_gpio = old_gpio & ~GPIO_MUTE_CONTROL; 330 /* un-smuting DAC */ 331 snd_akm4xxx_write(ice->akm, 0, 0x01, 0x01); 332 } else 333 /* 1 = signal on */ 334 new_gpio = old_gpio | 335 (unsigned int) kcontrol->private_value; 336 } else { 337 /* mute */ 338 if (kcontrol->private_value == GPIO_MUTE_CONTROL) { 339 /* 1 = signal off */ 340 new_gpio = old_gpio | GPIO_MUTE_CONTROL; 341 /* smuting DAC */ 342 snd_akm4xxx_write(ice->akm, 0, 0x01, 0x03); 343 } else 344 /* 0 = signal off */ 345 new_gpio = old_gpio & 346 ~((unsigned int) kcontrol->private_value); 347 } 348 /* printk(KERN_DEBUG 349 "JULI - mute/unmute: control_value: 0x%x, old_gpio: 0x%x, " 350 "new_gpio 0x%x\n", 351 (unsigned int)ucontrol->value.integer.value[0], old_gpio, 352 new_gpio); */ 353 if (old_gpio != new_gpio) { 354 ice->gpio.set_data(ice, new_gpio); 355 return 1; 356 } 357 /* no change */ 358 return 0; 359 } 360 361 static struct snd_kcontrol_new juli_mute_controls[] __devinitdata = { 362 { 363 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 364 .name = "Master Playback Switch", 365 .info = juli_mute_info, 366 .get = juli_mute_get, 367 .put = juli_mute_put, 368 .private_value = GPIO_MUTE_CONTROL, 369 }, 370 /* Although the following functionality respects the succint NDA'd 371 * documentation from the card manufacturer, and the same way of 372 * operation is coded in OSS Juli driver, only Digital Out monitor 373 * seems to work. Surprisingly, Analog input monitor outputs Digital 374 * output data. The two are independent, as enabling both doubles 375 * volume of the monitor sound. 376 * 377 * Checking traces on the board suggests the functionality described 378 * by the manufacturer is correct - I2S from ADC and AK4114 379 * go to ICE as well as to Xilinx, I2S inputs of DAC2,3,4 (the monitor 380 * inputs) are fed from Xilinx. 381 * 382 * I even checked traces on board and coded a support in driver for 383 * an alternative possibility - the unused I2S ICE output channels 384 * switched to HW-IN/SPDIF-IN and providing the monitoring signal to 385 * the DAC - to no avail. The I2S outputs seem to be unconnected. 386 * 387 * The windows driver supports the monitoring correctly. 388 */ 389 { 390 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 391 .name = "Monitor Analog In Switch", 392 .info = juli_mute_info, 393 .get = juli_mute_get, 394 .put = juli_mute_put, 395 .private_value = GPIO_ANAIN_MONITOR, 396 }, 397 { 398 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 399 .name = "Monitor Digital Out Switch", 400 .info = juli_mute_info, 401 .get = juli_mute_get, 402 .put = juli_mute_put, 403 .private_value = GPIO_DIGOUT_MONITOR, 404 }, 405 { 406 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 407 .name = "Monitor Digital In Switch", 408 .info = juli_mute_info, 409 .get = juli_mute_get, 410 .put = juli_mute_put, 411 .private_value = GPIO_DIGIN_MONITOR, 412 }, 413 }; 414 415 static char *slave_vols[] __devinitdata = { 416 PCM_VOLUME, 417 MONITOR_AN_IN_VOLUME, 418 MONITOR_DIG_IN_VOLUME, 419 MONITOR_DIG_OUT_VOLUME, 420 NULL 421 }; 422 423 static __devinitdata 424 DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1); 425 426 static struct snd_kcontrol __devinit *ctl_find(struct snd_card *card, 427 const char *name) 428 { 429 struct snd_ctl_elem_id sid; 430 memset(&sid, 0, sizeof(sid)); 431 /* FIXME: strcpy is bad. */ 432 strcpy(sid.name, name); 433 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 434 return snd_ctl_find_id(card, &sid); 435 } 436 437 static void __devinit add_slaves(struct snd_card *card, 438 struct snd_kcontrol *master, char **list) 439 { 440 for (; *list; list++) { 441 struct snd_kcontrol *slave = ctl_find(card, *list); 442 /* printk(KERN_DEBUG "add_slaves - %s\n", *list); */ 443 if (slave) { 444 /* printk(KERN_DEBUG "slave %s found\n", *list); */ 445 snd_ctl_add_slave(master, slave); 446 } 447 } 448 } 449 450 static int __devinit juli_add_controls(struct snd_ice1712 *ice) 451 { 452 struct juli_spec *spec = ice->spec; 453 int err; 454 unsigned int i; 455 struct snd_kcontrol *vmaster; 456 457 err = snd_ice1712_akm4xxx_build_controls(ice); 458 if (err < 0) 459 return err; 460 461 for (i = 0; i < ARRAY_SIZE(juli_mute_controls); i++) { 462 err = snd_ctl_add(ice->card, 463 snd_ctl_new1(&juli_mute_controls[i], ice)); 464 if (err < 0) 465 return err; 466 } 467 /* Create virtual master control */ 468 vmaster = snd_ctl_make_virtual_master("Master Playback Volume", 469 juli_master_db_scale); 470 if (!vmaster) 471 return -ENOMEM; 472 add_slaves(ice->card, vmaster, slave_vols); 473 err = snd_ctl_add(ice->card, vmaster); 474 if (err < 0) 475 return err; 476 477 /* only capture SPDIF over AK4114 */ 478 err = snd_ak4114_build(spec->ak4114, NULL, 479 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 480 if (err < 0) 481 return err; 482 return 0; 483 } 484 485 /* 486 * suspend/resume 487 * */ 488 489 #ifdef CONFIG_PM 490 static int juli_resume(struct snd_ice1712 *ice) 491 { 492 struct snd_akm4xxx *ak = ice->akm; 493 struct juli_spec *spec = ice->spec; 494 /* akm4358 un-reset, un-mute */ 495 snd_akm4xxx_reset(ak, 0); 496 /* reinit ak4114 */ 497 snd_ak4114_reinit(spec->ak4114); 498 return 0; 499 } 500 501 static int juli_suspend(struct snd_ice1712 *ice) 502 { 503 struct snd_akm4xxx *ak = ice->akm; 504 /* akm4358 reset and soft-mute */ 505 snd_akm4xxx_reset(ak, 1); 506 return 0; 507 } 508 #endif 509 510 /* 511 * initialize the chip 512 */ 513 514 static inline int juli_is_spdif_master(struct snd_ice1712 *ice) 515 { 516 return (ice->gpio.get_data(ice) & GPIO_INTERNAL_CLOCK) ? 0 : 1; 517 } 518 519 static unsigned int juli_get_rate(struct snd_ice1712 *ice) 520 { 521 int i; 522 unsigned char result; 523 524 result = ice->gpio.get_data(ice) & GPIO_RATE_MASK; 525 for (i = 0; i < ARRAY_SIZE(gpio_vals); i++) 526 if (gpio_vals[i] == result) 527 return juli_rates[i]; 528 return 0; 529 } 530 531 /* setting new rate */ 532 static void juli_set_rate(struct snd_ice1712 *ice, unsigned int rate) 533 { 534 unsigned int old, new; 535 unsigned char val; 536 537 old = ice->gpio.get_data(ice); 538 new = (old & ~GPIO_RATE_MASK) | get_gpio_val(rate); 539 /* printk(KERN_DEBUG "JULI - set_rate: old %x, new %x\n", 540 old & GPIO_RATE_MASK, 541 new & GPIO_RATE_MASK); */ 542 543 ice->gpio.set_data(ice, new); 544 /* switching to external clock - supplied by external circuits */ 545 val = inb(ICEMT1724(ice, RATE)); 546 outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE)); 547 } 548 549 static inline unsigned char juli_set_mclk(struct snd_ice1712 *ice, 550 unsigned int rate) 551 { 552 /* no change in master clock */ 553 return 0; 554 } 555 556 /* setting clock to external - SPDIF */ 557 static int juli_set_spdif_clock(struct snd_ice1712 *ice, int type) 558 { 559 unsigned int old; 560 old = ice->gpio.get_data(ice); 561 /* external clock (= 0), multiply 1x, 48kHz */ 562 ice->gpio.set_data(ice, (old & ~GPIO_RATE_MASK) | GPIO_MULTI_1X | 563 GPIO_FREQ_48KHZ); 564 return 0; 565 } 566 567 /* Called when ak4114 detects change in the input SPDIF stream */ 568 static void juli_ak4114_change(struct ak4114 *ak4114, unsigned char c0, 569 unsigned char c1) 570 { 571 struct snd_ice1712 *ice = ak4114->change_callback_private; 572 int rate; 573 if (ice->is_spdif_master(ice) && c1) { 574 /* only for SPDIF master mode, rate was changed */ 575 rate = snd_ak4114_external_rate(ak4114); 576 /* printk(KERN_DEBUG "ak4114 - input rate changed to %d\n", 577 rate); */ 578 juli_akm_set_rate_val(ice->akm, rate); 579 } 580 } 581 582 static int __devinit juli_init(struct snd_ice1712 *ice) 583 { 584 static const unsigned char ak4114_init_vals[] = { 585 /* AK4117_REG_PWRDN */ AK4114_RST | AK4114_PWN | 586 AK4114_OCKS0 | AK4114_OCKS1, 587 /* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S, 588 /* AK4114_REG_IO0 */ AK4114_TX1E, 589 /* AK4114_REG_IO1 */ AK4114_EFH_1024 | AK4114_DIT | 590 AK4114_IPS(1), 591 /* AK4114_REG_INT0_MASK */ 0, 592 /* AK4114_REG_INT1_MASK */ 0 593 }; 594 static const unsigned char ak4114_init_txcsb[] = { 595 0x41, 0x02, 0x2c, 0x00, 0x00 596 }; 597 int err; 598 struct juli_spec *spec; 599 struct snd_akm4xxx *ak; 600 601 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 602 if (!spec) 603 return -ENOMEM; 604 ice->spec = spec; 605 606 err = snd_ak4114_create(ice->card, 607 juli_ak4114_read, 608 juli_ak4114_write, 609 ak4114_init_vals, ak4114_init_txcsb, 610 ice, &spec->ak4114); 611 if (err < 0) 612 return err; 613 /* callback for codecs rate setting */ 614 spec->ak4114->change_callback = juli_ak4114_change; 615 spec->ak4114->change_callback_private = ice; 616 /* AK4114 in Juli can detect external rate correctly */ 617 spec->ak4114->check_flags = 0; 618 619 #if 0 620 /* 621 * it seems that the analog doughter board detection does not work reliably, so 622 * force the analog flag; it should be very rare (if ever) to come at Juli@ 623 * used without the analog daughter board 624 */ 625 spec->analog = (ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT) ? 0 : 1; 626 #else 627 spec->analog = 1; 628 #endif 629 630 if (spec->analog) { 631 printk(KERN_INFO "juli@: analog I/O detected\n"); 632 ice->num_total_dacs = 2; 633 ice->num_total_adcs = 2; 634 635 ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); 636 ak = ice->akm; 637 if (!ak) 638 return -ENOMEM; 639 ice->akm_codecs = 1; 640 err = snd_ice1712_akm4xxx_init(ak, &akm_juli_dac, NULL, ice); 641 if (err < 0) 642 return err; 643 } 644 645 /* juli is clocked by Xilinx array */ 646 ice->hw_rates = &juli_rates_info; 647 ice->is_spdif_master = juli_is_spdif_master; 648 ice->get_rate = juli_get_rate; 649 ice->set_rate = juli_set_rate; 650 ice->set_mclk = juli_set_mclk; 651 ice->set_spdif_clock = juli_set_spdif_clock; 652 653 ice->spdif.ops.open = juli_spdif_in_open; 654 655 #ifdef CONFIG_PM 656 ice->pm_resume = juli_resume; 657 ice->pm_suspend = juli_suspend; 658 ice->pm_suspend_enabled = 1; 659 #endif 660 661 return 0; 662 } 663 664 665 /* 666 * Juli@ boards don't provide the EEPROM data except for the vendor IDs. 667 * hence the driver needs to sets up it properly. 668 */ 669 670 static unsigned char juli_eeprom[] __devinitdata = { 671 [ICE_EEP2_SYSCONF] = 0x2b, /* clock 512, mpu401, 1xADC, 1xDACs, 672 SPDIF in */ 673 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 674 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ 675 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ 676 [ICE_EEP2_GPIO_DIR] = 0x9f, /* 5, 6:inputs; 7, 4-0 outputs*/ 677 [ICE_EEP2_GPIO_DIR1] = 0xff, 678 [ICE_EEP2_GPIO_DIR2] = 0x7f, 679 [ICE_EEP2_GPIO_MASK] = 0x60, /* 5, 6: locked; 7, 4-0 writable */ 680 [ICE_EEP2_GPIO_MASK1] = 0x00, /* 0-7 writable */ 681 [ICE_EEP2_GPIO_MASK2] = 0x7f, 682 [ICE_EEP2_GPIO_STATE] = GPIO_FREQ_48KHZ | GPIO_MULTI_1X | 683 GPIO_INTERNAL_CLOCK, /* internal clock, multiple 1x, 48kHz*/ 684 [ICE_EEP2_GPIO_STATE1] = 0x00, /* unmuted */ 685 [ICE_EEP2_GPIO_STATE2] = 0x00, 686 }; 687 688 /* entry point */ 689 struct snd_ice1712_card_info snd_vt1724_juli_cards[] __devinitdata = { 690 { 691 .subvendor = VT1724_SUBDEVICE_JULI, 692 .name = "ESI Juli@", 693 .model = "juli", 694 .chip_init = juli_init, 695 .build_controls = juli_add_controls, 696 .eeprom_size = sizeof(juli_eeprom), 697 .eeprom_data = juli_eeprom, 698 }, 699 { } /* terminator */ 700 }; 701