1/* 2 * ALSA driver for ICEnsemble VT1724 (Envy24HT) 3 * 4 * Lowlevel functions for Infrasonic Quartet 5 * 6 * Copyright (c) 2009 Pavel Hofman <pavel.hofman@ivitera.com> 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25#include <linux/delay.h> 26#include <linux/interrupt.h> 27#include <linux/init.h> 28#include <linux/slab.h> 29#include <sound/core.h> 30#include <sound/tlv.h> 31#include <sound/info.h> 32 33#include "ice1712.h" 34#include "envy24ht.h" 35#include <sound/ak4113.h> 36#include "quartet.h" 37 38struct qtet_spec { 39 struct ak4113 *ak4113; 40 unsigned int scr; /* system control register */ 41 unsigned int mcr; /* monitoring control register */ 42 unsigned int cpld; /* cpld register */ 43}; 44 45struct qtet_kcontrol_private { 46 unsigned int bit; 47 void (*set_register)(struct snd_ice1712 *ice, unsigned int val); 48 unsigned int (*get_register)(struct snd_ice1712 *ice); 49 const char * const texts[2]; 50}; 51 52enum { 53 IN12_SEL = 0, 54 IN34_SEL, 55 AIN34_SEL, 56 COAX_OUT, 57 IN12_MON12, 58 IN12_MON34, 59 IN34_MON12, 60 IN34_MON34, 61 OUT12_MON34, 62 OUT34_MON12, 63}; 64 65static const char * const ext_clock_names[3] = {"IEC958 In", "Word Clock 1xFS", 66 "Word Clock 256xFS"}; 67 68/* chip address on I2C bus */ 69#define AK4113_ADDR 0x26 /* S/PDIF receiver */ 70 71/* chip address on SPI bus */ 72#define AK4620_ADDR 0x02 /* ADC/DAC */ 73 74 75/* 76 * GPIO pins 77 */ 78 79/* GPIO0 - O - DATA0, def. 0 */ 80#define GPIO_D0 (1<<0) 81/* GPIO1 - I/O - DATA1, Jack Detect Input0 (0:present, 1:missing), def. 1 */ 82#define GPIO_D1_JACKDTC0 (1<<1) 83/* GPIO2 - I/O - DATA2, Jack Detect Input1 (0:present, 1:missing), def. 1 */ 84#define GPIO_D2_JACKDTC1 (1<<2) 85/* GPIO3 - I/O - DATA3, def. 1 */ 86#define GPIO_D3 (1<<3) 87/* GPIO4 - I/O - DATA4, SPI CDTO, def. 1 */ 88#define GPIO_D4_SPI_CDTO (1<<4) 89/* GPIO5 - I/O - DATA5, SPI CCLK, def. 1 */ 90#define GPIO_D5_SPI_CCLK (1<<5) 91/* GPIO6 - I/O - DATA6, Cable Detect Input (0:detected, 1:not detected */ 92#define GPIO_D6_CD (1<<6) 93/* GPIO7 - I/O - DATA7, Device Detect Input (0:detected, 1:not detected */ 94#define GPIO_D7_DD (1<<7) 95/* GPIO8 - O - CPLD Chip Select, def. 1 */ 96#define GPIO_CPLD_CSN (1<<8) 97/* GPIO9 - O - CPLD register read/write (0:write, 1:read), def. 0 */ 98#define GPIO_CPLD_RW (1<<9) 99/* GPIO10 - O - SPI Chip Select for CODEC#0, def. 1 */ 100#define GPIO_SPI_CSN0 (1<<10) 101/* GPIO11 - O - SPI Chip Select for CODEC#1, def. 1 */ 102#define GPIO_SPI_CSN1 (1<<11) 103/* GPIO12 - O - Ex. Register Output Enable (0:enable, 1:disable), def. 1, 104 * init 0 */ 105#define GPIO_EX_GPIOE (1<<12) 106/* GPIO13 - O - Ex. Register0 Chip Select for System Control Register, 107 * def. 1 */ 108#define GPIO_SCR (1<<13) 109/* GPIO14 - O - Ex. Register1 Chip Select for Monitor Control Register, 110 * def. 1 */ 111#define GPIO_MCR (1<<14) 112 113#define GPIO_SPI_ALL (GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK |\ 114 GPIO_SPI_CSN0 | GPIO_SPI_CSN1) 115 116#define GPIO_DATA_MASK (GPIO_D0 | GPIO_D1_JACKDTC0 | \ 117 GPIO_D2_JACKDTC1 | GPIO_D3 | \ 118 GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK | \ 119 GPIO_D6_CD | GPIO_D7_DD) 120 121/* System Control Register GPIO_SCR data bits */ 122/* Mic/Line select relay (0:line, 1:mic) */ 123#define SCR_RELAY GPIO_D0 124/* Phantom power drive control (0:5V, 1:48V) */ 125#define SCR_PHP_V GPIO_D1_JACKDTC0 126/* H/W mute control (0:Normal, 1:Mute) */ 127#define SCR_MUTE GPIO_D2_JACKDTC1 128/* Phantom power control (0:Phantom on, 1:off) */ 129#define SCR_PHP GPIO_D3 130/* Analog input 1/2 Source Select */ 131#define SCR_AIN12_SEL0 GPIO_D4_SPI_CDTO 132#define SCR_AIN12_SEL1 GPIO_D5_SPI_CCLK 133/* Analog input 3/4 Source Select (0:line, 1:hi-z) */ 134#define SCR_AIN34_SEL GPIO_D6_CD 135/* Codec Power Down (0:power down, 1:normal) */ 136#define SCR_CODEC_PDN GPIO_D7_DD 137 138#define SCR_AIN12_LINE (0) 139#define SCR_AIN12_MIC (SCR_AIN12_SEL0) 140#define SCR_AIN12_LOWCUT (SCR_AIN12_SEL1 | SCR_AIN12_SEL0) 141 142/* Monitor Control Register GPIO_MCR data bits */ 143/* Input 1/2 to Monitor 1/2 (0:off, 1:on) */ 144#define MCR_IN12_MON12 GPIO_D0 145/* Input 1/2 to Monitor 3/4 (0:off, 1:on) */ 146#define MCR_IN12_MON34 GPIO_D1_JACKDTC0 147/* Input 3/4 to Monitor 1/2 (0:off, 1:on) */ 148#define MCR_IN34_MON12 GPIO_D2_JACKDTC1 149/* Input 3/4 to Monitor 3/4 (0:off, 1:on) */ 150#define MCR_IN34_MON34 GPIO_D3 151/* Output to Monitor 1/2 (0:off, 1:on) */ 152#define MCR_OUT34_MON12 GPIO_D4_SPI_CDTO 153/* Output to Monitor 3/4 (0:off, 1:on) */ 154#define MCR_OUT12_MON34 GPIO_D5_SPI_CCLK 155 156/* CPLD Register DATA bits */ 157/* Clock Rate Select */ 158#define CPLD_CKS0 GPIO_D0 159#define CPLD_CKS1 GPIO_D1_JACKDTC0 160#define CPLD_CKS2 GPIO_D2_JACKDTC1 161/* Sync Source Select (0:Internal, 1:External) */ 162#define CPLD_SYNC_SEL GPIO_D3 163/* Word Clock FS Select (0:FS, 1:256FS) */ 164#define CPLD_WORD_SEL GPIO_D4_SPI_CDTO 165/* Coaxial Output Source (IS-Link) (0:SPDIF, 1:I2S) */ 166#define CPLD_COAX_OUT GPIO_D5_SPI_CCLK 167/* Input 1/2 Source Select (0:Analog12, 1:An34) */ 168#define CPLD_IN12_SEL GPIO_D6_CD 169/* Input 3/4 Source Select (0:Analog34, 1:Digital In) */ 170#define CPLD_IN34_SEL GPIO_D7_DD 171 172/* internal clock (CPLD_SYNC_SEL = 0) options */ 173#define CPLD_CKS_44100HZ (0) 174#define CPLD_CKS_48000HZ (CPLD_CKS0) 175#define CPLD_CKS_88200HZ (CPLD_CKS1) 176#define CPLD_CKS_96000HZ (CPLD_CKS1 | CPLD_CKS0) 177#define CPLD_CKS_176400HZ (CPLD_CKS2) 178#define CPLD_CKS_192000HZ (CPLD_CKS2 | CPLD_CKS0) 179 180#define CPLD_CKS_MASK (CPLD_CKS0 | CPLD_CKS1 | CPLD_CKS2) 181 182/* external clock (CPLD_SYNC_SEL = 1) options */ 183/* external clock - SPDIF */ 184#define CPLD_EXT_SPDIF (0 | CPLD_SYNC_SEL) 185/* external clock - WordClock 1xfs */ 186#define CPLD_EXT_WORDCLOCK_1FS (CPLD_CKS1 | CPLD_SYNC_SEL) 187/* external clock - WordClock 256xfs */ 188#define CPLD_EXT_WORDCLOCK_256FS (CPLD_CKS1 | CPLD_WORD_SEL |\ 189 CPLD_SYNC_SEL) 190 191#define EXT_SPDIF_TYPE 0 192#define EXT_WORDCLOCK_1FS_TYPE 1 193#define EXT_WORDCLOCK_256FS_TYPE 2 194 195#define AK4620_DFS0 (1<<0) 196#define AK4620_DFS1 (1<<1) 197#define AK4620_CKS0 (1<<2) 198#define AK4620_CKS1 (1<<3) 199/* Clock and Format Control register */ 200#define AK4620_DFS_REG 0x02 201 202/* Deem and Volume Control register */ 203#define AK4620_DEEMVOL_REG 0x03 204#define AK4620_SMUTE (1<<7) 205 206#ifdef CONFIG_PROC_FS 207/* 208 * Conversion from int value to its binary form. Used for debugging. 209 * The output buffer must be allocated prior to calling the function. 210 */ 211static char *get_binary(char *buffer, int value) 212{ 213 int i, j, pos; 214 pos = 0; 215 for (i = 0; i < 4; ++i) { 216 for (j = 0; j < 8; ++j) { 217 if (value & (1 << (31-(i*8 + j)))) 218 buffer[pos] = '1'; 219 else 220 buffer[pos] = '0'; 221 pos++; 222 } 223 if (i < 3) { 224 buffer[pos] = ' '; 225 pos++; 226 } 227 } 228 buffer[pos] = '\0'; 229 return buffer; 230} 231#endif /* CONFIG_PROC_FS */ 232 233/* 234 * Initial setup of the conversion array GPIO <-> rate 235 */ 236static unsigned int qtet_rates[] = { 237 44100, 48000, 88200, 238 96000, 176400, 192000, 239}; 240 241static unsigned int cks_vals[] = { 242 CPLD_CKS_44100HZ, CPLD_CKS_48000HZ, CPLD_CKS_88200HZ, 243 CPLD_CKS_96000HZ, CPLD_CKS_176400HZ, CPLD_CKS_192000HZ, 244}; 245 246static struct snd_pcm_hw_constraint_list qtet_rates_info = { 247 .count = ARRAY_SIZE(qtet_rates), 248 .list = qtet_rates, 249 .mask = 0, 250}; 251 252static void qtet_ak4113_write(void *private_data, unsigned char reg, 253 unsigned char val) 254{ 255 snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4113_ADDR, 256 reg, val); 257} 258 259static unsigned char qtet_ak4113_read(void *private_data, unsigned char reg) 260{ 261 return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data, 262 AK4113_ADDR, reg); 263} 264 265 266/* 267 * AK4620 section 268 */ 269 270/* 271 * Write data to addr register of ak4620 272 */ 273static void qtet_akm_write(struct snd_akm4xxx *ak, int chip, 274 unsigned char addr, unsigned char data) 275{ 276 unsigned int tmp, orig_dir; 277 int idx; 278 unsigned int addrdata; 279 struct snd_ice1712 *ice = ak->private_data[0]; 280 281 if (snd_BUG_ON(chip < 0 || chip >= 4)) 282 return; 283 /*dev_dbg(ice->card->dev, "Writing to AK4620: chip=%d, addr=0x%x, 284 data=0x%x\n", chip, addr, data);*/ 285 orig_dir = ice->gpio.get_dir(ice); 286 ice->gpio.set_dir(ice, orig_dir | GPIO_SPI_ALL); 287 /* set mask - only SPI bits */ 288 ice->gpio.set_mask(ice, ~GPIO_SPI_ALL); 289 290 tmp = ice->gpio.get_data(ice); 291 /* high all */ 292 tmp |= GPIO_SPI_ALL; 293 ice->gpio.set_data(ice, tmp); 294 udelay(100); 295 /* drop chip select */ 296 if (chip) 297 /* CODEC 1 */ 298 tmp &= ~GPIO_SPI_CSN1; 299 else 300 tmp &= ~GPIO_SPI_CSN0; 301 ice->gpio.set_data(ice, tmp); 302 udelay(100); 303 304 /* build I2C address + data byte */ 305 addrdata = (AK4620_ADDR << 6) | 0x20 | (addr & 0x1f); 306 addrdata = (addrdata << 8) | data; 307 for (idx = 15; idx >= 0; idx--) { 308 /* drop clock */ 309 tmp &= ~GPIO_D5_SPI_CCLK; 310 ice->gpio.set_data(ice, tmp); 311 udelay(100); 312 /* set data */ 313 if (addrdata & (1 << idx)) 314 tmp |= GPIO_D4_SPI_CDTO; 315 else 316 tmp &= ~GPIO_D4_SPI_CDTO; 317 ice->gpio.set_data(ice, tmp); 318 udelay(100); 319 /* raise clock */ 320 tmp |= GPIO_D5_SPI_CCLK; 321 ice->gpio.set_data(ice, tmp); 322 udelay(100); 323 } 324 /* all back to 1 */ 325 tmp |= GPIO_SPI_ALL; 326 ice->gpio.set_data(ice, tmp); 327 udelay(100); 328 329 /* return all gpios to non-writable */ 330 ice->gpio.set_mask(ice, 0xffffff); 331 /* restore GPIOs direction */ 332 ice->gpio.set_dir(ice, orig_dir); 333} 334 335static void qtet_akm_set_regs(struct snd_akm4xxx *ak, unsigned char addr, 336 unsigned char mask, unsigned char value) 337{ 338 unsigned char tmp; 339 int chip; 340 for (chip = 0; chip < ak->num_chips; chip++) { 341 tmp = snd_akm4xxx_get(ak, chip, addr); 342 /* clear the bits */ 343 tmp &= ~mask; 344 /* set the new bits */ 345 tmp |= value; 346 snd_akm4xxx_write(ak, chip, addr, tmp); 347 } 348} 349 350/* 351 * change the rate of AK4620 352 */ 353static void qtet_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate) 354{ 355 unsigned char ak4620_dfs; 356 357 if (rate == 0) /* no hint - S/PDIF input is master or the new spdif 358 input rate undetected, simply return */ 359 return; 360 361 /* adjust DFS on codecs - see datasheet */ 362 if (rate > 108000) 363 ak4620_dfs = AK4620_DFS1 | AK4620_CKS1; 364 else if (rate > 54000) 365 ak4620_dfs = AK4620_DFS0 | AK4620_CKS0; 366 else 367 ak4620_dfs = 0; 368 369 /* set new value */ 370 qtet_akm_set_regs(ak, AK4620_DFS_REG, AK4620_DFS0 | AK4620_DFS1 | 371 AK4620_CKS0 | AK4620_CKS1, ak4620_dfs); 372} 373 374#define AK_CONTROL(xname, xch) { .name = xname, .num_channels = xch } 375 376#define PCM_12_PLAYBACK_VOLUME "PCM 1/2 Playback Volume" 377#define PCM_34_PLAYBACK_VOLUME "PCM 3/4 Playback Volume" 378#define PCM_12_CAPTURE_VOLUME "PCM 1/2 Capture Volume" 379#define PCM_34_CAPTURE_VOLUME "PCM 3/4 Capture Volume" 380 381static const struct snd_akm4xxx_dac_channel qtet_dac[] = { 382 AK_CONTROL(PCM_12_PLAYBACK_VOLUME, 2), 383 AK_CONTROL(PCM_34_PLAYBACK_VOLUME, 2), 384}; 385 386static const struct snd_akm4xxx_adc_channel qtet_adc[] = { 387 AK_CONTROL(PCM_12_CAPTURE_VOLUME, 2), 388 AK_CONTROL(PCM_34_CAPTURE_VOLUME, 2), 389}; 390 391static struct snd_akm4xxx akm_qtet_dac = { 392 .type = SND_AK4620, 393 .num_dacs = 4, /* DAC1 - Output 12 394 */ 395 .num_adcs = 4, /* ADC1 - Input 12 396 */ 397 .ops = { 398 .write = qtet_akm_write, 399 .set_rate_val = qtet_akm_set_rate_val, 400 }, 401 .dac_info = qtet_dac, 402 .adc_info = qtet_adc, 403}; 404 405/* Communication routines with the CPLD */ 406 407 408/* Writes data to external register reg, both reg and data are 409 * GPIO representations */ 410static void reg_write(struct snd_ice1712 *ice, unsigned int reg, 411 unsigned int data) 412{ 413 unsigned int tmp; 414 415 mutex_lock(&ice->gpio_mutex); 416 /* set direction of used GPIOs*/ 417 /* all outputs */ 418 tmp = 0x00ffff; 419 ice->gpio.set_dir(ice, tmp); 420 /* mask - writable bits */ 421 ice->gpio.set_mask(ice, ~(tmp)); 422 /* write the data */ 423 tmp = ice->gpio.get_data(ice); 424 tmp &= ~GPIO_DATA_MASK; 425 tmp |= data; 426 ice->gpio.set_data(ice, tmp); 427 udelay(100); 428 /* drop output enable */ 429 tmp &= ~GPIO_EX_GPIOE; 430 ice->gpio.set_data(ice, tmp); 431 udelay(100); 432 /* drop the register gpio */ 433 tmp &= ~reg; 434 ice->gpio.set_data(ice, tmp); 435 udelay(100); 436 /* raise the register GPIO */ 437 tmp |= reg; 438 ice->gpio.set_data(ice, tmp); 439 udelay(100); 440 441 /* raise all data gpios */ 442 tmp |= GPIO_DATA_MASK; 443 ice->gpio.set_data(ice, tmp); 444 /* mask - immutable bits */ 445 ice->gpio.set_mask(ice, 0xffffff); 446 /* outputs only 8-15 */ 447 ice->gpio.set_dir(ice, 0x00ff00); 448 mutex_unlock(&ice->gpio_mutex); 449} 450 451static unsigned int get_scr(struct snd_ice1712 *ice) 452{ 453 struct qtet_spec *spec = ice->spec; 454 return spec->scr; 455} 456 457static unsigned int get_mcr(struct snd_ice1712 *ice) 458{ 459 struct qtet_spec *spec = ice->spec; 460 return spec->mcr; 461} 462 463static unsigned int get_cpld(struct snd_ice1712 *ice) 464{ 465 struct qtet_spec *spec = ice->spec; 466 return spec->cpld; 467} 468 469static void set_scr(struct snd_ice1712 *ice, unsigned int val) 470{ 471 struct qtet_spec *spec = ice->spec; 472 reg_write(ice, GPIO_SCR, val); 473 spec->scr = val; 474} 475 476static void set_mcr(struct snd_ice1712 *ice, unsigned int val) 477{ 478 struct qtet_spec *spec = ice->spec; 479 reg_write(ice, GPIO_MCR, val); 480 spec->mcr = val; 481} 482 483static void set_cpld(struct snd_ice1712 *ice, unsigned int val) 484{ 485 struct qtet_spec *spec = ice->spec; 486 reg_write(ice, GPIO_CPLD_CSN, val); 487 spec->cpld = val; 488} 489#ifdef CONFIG_PROC_FS 490static void proc_regs_read(struct snd_info_entry *entry, 491 struct snd_info_buffer *buffer) 492{ 493 struct snd_ice1712 *ice = entry->private_data; 494 char bin_buffer[36]; 495 496 snd_iprintf(buffer, "SCR: %s\n", get_binary(bin_buffer, 497 get_scr(ice))); 498 snd_iprintf(buffer, "MCR: %s\n", get_binary(bin_buffer, 499 get_mcr(ice))); 500 snd_iprintf(buffer, "CPLD: %s\n", get_binary(bin_buffer, 501 get_cpld(ice))); 502} 503 504static void proc_init(struct snd_ice1712 *ice) 505{ 506 struct snd_info_entry *entry; 507 if (!snd_card_proc_new(ice->card, "quartet", &entry)) 508 snd_info_set_text_ops(entry, ice, proc_regs_read); 509} 510#else /* !CONFIG_PROC_FS */ 511static void proc_init(struct snd_ice1712 *ice) {} 512#endif 513 514static int qtet_mute_get(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_value *ucontrol) 516{ 517 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 518 unsigned int val; 519 val = get_scr(ice) & SCR_MUTE; 520 ucontrol->value.integer.value[0] = (val) ? 0 : 1; 521 return 0; 522} 523 524static int qtet_mute_put(struct snd_kcontrol *kcontrol, 525 struct snd_ctl_elem_value *ucontrol) 526{ 527 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 528 unsigned int old, new, smute; 529 old = get_scr(ice) & SCR_MUTE; 530 if (ucontrol->value.integer.value[0]) { 531 /* unmute */ 532 new = 0; 533 /* un-smuting DAC */ 534 smute = 0; 535 } else { 536 /* mute */ 537 new = SCR_MUTE; 538 /* smuting DAC */ 539 smute = AK4620_SMUTE; 540 } 541 if (old != new) { 542 struct snd_akm4xxx *ak = ice->akm; 543 set_scr(ice, (get_scr(ice) & ~SCR_MUTE) | new); 544 /* set smute */ 545 qtet_akm_set_regs(ak, AK4620_DEEMVOL_REG, AK4620_SMUTE, smute); 546 return 1; 547 } 548 /* no change */ 549 return 0; 550} 551 552static int qtet_ain12_enum_info(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_info *uinfo) 554{ 555 static const char * const texts[3] = 556 {"Line In 1/2", "Mic", "Mic + Low-cut"}; 557 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); 558} 559 560static int qtet_ain12_sw_get(struct snd_kcontrol *kcontrol, 561 struct snd_ctl_elem_value *ucontrol) 562{ 563 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 564 unsigned int val, result; 565 val = get_scr(ice) & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0); 566 switch (val) { 567 case SCR_AIN12_LINE: 568 result = 0; 569 break; 570 case SCR_AIN12_MIC: 571 result = 1; 572 break; 573 case SCR_AIN12_LOWCUT: 574 result = 2; 575 break; 576 default: 577 /* BUG - no other combinations allowed */ 578 snd_BUG(); 579 result = 0; 580 } 581 ucontrol->value.integer.value[0] = result; 582 return 0; 583} 584 585static int qtet_ain12_sw_put(struct snd_kcontrol *kcontrol, 586 struct snd_ctl_elem_value *ucontrol) 587{ 588 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 589 unsigned int old, new, tmp, masked_old; 590 old = new = get_scr(ice); 591 masked_old = old & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0); 592 tmp = ucontrol->value.integer.value[0]; 593 if (tmp == 2) 594 tmp = 3; /* binary 10 is not supported */ 595 tmp <<= 4; /* shifting to SCR_AIN12_SEL0 */ 596 if (tmp != masked_old) { 597 /* change requested */ 598 switch (tmp) { 599 case SCR_AIN12_LINE: 600 new = old & ~(SCR_AIN12_SEL1 | SCR_AIN12_SEL0); 601 set_scr(ice, new); 602 /* turn off relay */ 603 new &= ~SCR_RELAY; 604 set_scr(ice, new); 605 break; 606 case SCR_AIN12_MIC: 607 /* turn on relay */ 608 new = old | SCR_RELAY; 609 set_scr(ice, new); 610 new = (new & ~SCR_AIN12_SEL1) | SCR_AIN12_SEL0; 611 set_scr(ice, new); 612 break; 613 case SCR_AIN12_LOWCUT: 614 /* turn on relay */ 615 new = old | SCR_RELAY; 616 set_scr(ice, new); 617 new |= SCR_AIN12_SEL1 | SCR_AIN12_SEL0; 618 set_scr(ice, new); 619 break; 620 default: 621 snd_BUG(); 622 } 623 return 1; 624 } 625 /* no change */ 626 return 0; 627} 628 629static int qtet_php_get(struct snd_kcontrol *kcontrol, 630 struct snd_ctl_elem_value *ucontrol) 631{ 632 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 633 unsigned int val; 634 /* if phantom voltage =48V, phantom on */ 635 val = get_scr(ice) & SCR_PHP_V; 636 ucontrol->value.integer.value[0] = val ? 1 : 0; 637 return 0; 638} 639 640static int qtet_php_put(struct snd_kcontrol *kcontrol, 641 struct snd_ctl_elem_value *ucontrol) 642{ 643 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 644 unsigned int old, new; 645 old = new = get_scr(ice); 646 if (ucontrol->value.integer.value[0] /* phantom on requested */ 647 && (~old & SCR_PHP_V)) /* 0 = voltage 5V */ { 648 /* is off, turn on */ 649 /* turn voltage on first, = 1 */ 650 new = old | SCR_PHP_V; 651 set_scr(ice, new); 652 /* turn phantom on, = 0 */ 653 new &= ~SCR_PHP; 654 set_scr(ice, new); 655 } else if (!ucontrol->value.integer.value[0] && (old & SCR_PHP_V)) { 656 /* phantom off requested and 1 = voltage 48V */ 657 /* is on, turn off */ 658 /* turn voltage off first, = 0 */ 659 new = old & ~SCR_PHP_V; 660 set_scr(ice, new); 661 /* turn phantom off, = 1 */ 662 new |= SCR_PHP; 663 set_scr(ice, new); 664 } 665 if (old != new) 666 return 1; 667 /* no change */ 668 return 0; 669} 670 671#define PRIV_SW(xid, xbit, xreg) [xid] = {.bit = xbit,\ 672 .set_register = set_##xreg,\ 673 .get_register = get_##xreg, } 674 675 676#define PRIV_ENUM2(xid, xbit, xreg, xtext1, xtext2) [xid] = {.bit = xbit,\ 677 .set_register = set_##xreg,\ 678 .get_register = get_##xreg,\ 679 .texts = {xtext1, xtext2} } 680 681static struct qtet_kcontrol_private qtet_privates[] = { 682 PRIV_ENUM2(IN12_SEL, CPLD_IN12_SEL, cpld, "An In 1/2", "An In 3/4"), 683 PRIV_ENUM2(IN34_SEL, CPLD_IN34_SEL, cpld, "An In 3/4", "IEC958 In"), 684 PRIV_ENUM2(AIN34_SEL, SCR_AIN34_SEL, scr, "Line In 3/4", "Hi-Z"), 685 PRIV_ENUM2(COAX_OUT, CPLD_COAX_OUT, cpld, "IEC958", "I2S"), 686 PRIV_SW(IN12_MON12, MCR_IN12_MON12, mcr), 687 PRIV_SW(IN12_MON34, MCR_IN12_MON34, mcr), 688 PRIV_SW(IN34_MON12, MCR_IN34_MON12, mcr), 689 PRIV_SW(IN34_MON34, MCR_IN34_MON34, mcr), 690 PRIV_SW(OUT12_MON34, MCR_OUT12_MON34, mcr), 691 PRIV_SW(OUT34_MON12, MCR_OUT34_MON12, mcr), 692}; 693 694static int qtet_enum_info(struct snd_kcontrol *kcontrol, 695 struct snd_ctl_elem_info *uinfo) 696{ 697 struct qtet_kcontrol_private private = 698 qtet_privates[kcontrol->private_value]; 699 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(private.texts), 700 private.texts); 701} 702 703static int qtet_sw_get(struct snd_kcontrol *kcontrol, 704 struct snd_ctl_elem_value *ucontrol) 705{ 706 struct qtet_kcontrol_private private = 707 qtet_privates[kcontrol->private_value]; 708 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 709 ucontrol->value.integer.value[0] = 710 (private.get_register(ice) & private.bit) ? 1 : 0; 711 return 0; 712} 713 714static int qtet_sw_put(struct snd_kcontrol *kcontrol, 715 struct snd_ctl_elem_value *ucontrol) 716{ 717 struct qtet_kcontrol_private private = 718 qtet_privates[kcontrol->private_value]; 719 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); 720 unsigned int old, new; 721 old = private.get_register(ice); 722 if (ucontrol->value.integer.value[0]) 723 new = old | private.bit; 724 else 725 new = old & ~private.bit; 726 if (old != new) { 727 private.set_register(ice, new); 728 return 1; 729 } 730 /* no change */ 731 return 0; 732} 733 734#define qtet_sw_info snd_ctl_boolean_mono_info 735 736#define QTET_CONTROL(xname, xtype, xpriv) \ 737 {.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ 738 .name = xname,\ 739 .info = qtet_##xtype##_info,\ 740 .get = qtet_sw_get,\ 741 .put = qtet_sw_put,\ 742 .private_value = xpriv } 743 744static struct snd_kcontrol_new qtet_controls[] = { 745 { 746 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 747 .name = "Master Playback Switch", 748 .info = qtet_sw_info, 749 .get = qtet_mute_get, 750 .put = qtet_mute_put, 751 .private_value = 0 752 }, 753 { 754 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 755 .name = "Phantom Power", 756 .info = qtet_sw_info, 757 .get = qtet_php_get, 758 .put = qtet_php_put, 759 .private_value = 0 760 }, 761 { 762 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 763 .name = "Analog In 1/2 Capture Switch", 764 .info = qtet_ain12_enum_info, 765 .get = qtet_ain12_sw_get, 766 .put = qtet_ain12_sw_put, 767 .private_value = 0 768 }, 769 QTET_CONTROL("Analog In 3/4 Capture Switch", enum, AIN34_SEL), 770 QTET_CONTROL("PCM In 1/2 Capture Switch", enum, IN12_SEL), 771 QTET_CONTROL("PCM In 3/4 Capture Switch", enum, IN34_SEL), 772 QTET_CONTROL("Coax Output Source", enum, COAX_OUT), 773 QTET_CONTROL("Analog In 1/2 to Monitor 1/2", sw, IN12_MON12), 774 QTET_CONTROL("Analog In 1/2 to Monitor 3/4", sw, IN12_MON34), 775 QTET_CONTROL("Analog In 3/4 to Monitor 1/2", sw, IN34_MON12), 776 QTET_CONTROL("Analog In 3/4 to Monitor 3/4", sw, IN34_MON34), 777 QTET_CONTROL("Output 1/2 to Monitor 3/4", sw, OUT12_MON34), 778 QTET_CONTROL("Output 3/4 to Monitor 1/2", sw, OUT34_MON12), 779}; 780 781static char *slave_vols[] = { 782 PCM_12_PLAYBACK_VOLUME, 783 PCM_34_PLAYBACK_VOLUME, 784 NULL 785}; 786 787static 788DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1); 789 790static struct snd_kcontrol *ctl_find(struct snd_card *card, 791 const char *name) 792{ 793 struct snd_ctl_elem_id sid; 794 memset(&sid, 0, sizeof(sid)); 795 /* FIXME: strcpy is bad. */ 796 strcpy(sid.name, name); 797 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 798 return snd_ctl_find_id(card, &sid); 799} 800 801static void add_slaves(struct snd_card *card, 802 struct snd_kcontrol *master, char * const *list) 803{ 804 for (; *list; list++) { 805 struct snd_kcontrol *slave = ctl_find(card, *list); 806 if (slave) 807 snd_ctl_add_slave(master, slave); 808 } 809} 810 811static int qtet_add_controls(struct snd_ice1712 *ice) 812{ 813 struct qtet_spec *spec = ice->spec; 814 int err, i; 815 struct snd_kcontrol *vmaster; 816 err = snd_ice1712_akm4xxx_build_controls(ice); 817 if (err < 0) 818 return err; 819 for (i = 0; i < ARRAY_SIZE(qtet_controls); i++) { 820 err = snd_ctl_add(ice->card, 821 snd_ctl_new1(&qtet_controls[i], ice)); 822 if (err < 0) 823 return err; 824 } 825 826 /* Create virtual master control */ 827 vmaster = snd_ctl_make_virtual_master("Master Playback Volume", 828 qtet_master_db_scale); 829 if (!vmaster) 830 return -ENOMEM; 831 add_slaves(ice->card, vmaster, slave_vols); 832 err = snd_ctl_add(ice->card, vmaster); 833 if (err < 0) 834 return err; 835 /* only capture SPDIF over AK4113 */ 836 return snd_ak4113_build(spec->ak4113, 837 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); 838} 839 840static inline int qtet_is_spdif_master(struct snd_ice1712 *ice) 841{ 842 /* CPLD_SYNC_SEL: 0 = internal, 1 = external (i.e. spdif master) */ 843 return (get_cpld(ice) & CPLD_SYNC_SEL) ? 1 : 0; 844} 845 846static unsigned int qtet_get_rate(struct snd_ice1712 *ice) 847{ 848 int i; 849 unsigned char result; 850 851 result = get_cpld(ice) & CPLD_CKS_MASK; 852 for (i = 0; i < ARRAY_SIZE(cks_vals); i++) 853 if (cks_vals[i] == result) 854 return qtet_rates[i]; 855 return 0; 856} 857 858static int get_cks_val(int rate) 859{ 860 int i; 861 for (i = 0; i < ARRAY_SIZE(qtet_rates); i++) 862 if (qtet_rates[i] == rate) 863 return cks_vals[i]; 864 return 0; 865} 866 867/* setting new rate */ 868static void qtet_set_rate(struct snd_ice1712 *ice, unsigned int rate) 869{ 870 unsigned int new; 871 unsigned char val; 872 /* switching ice1724 to external clock - supplied by ext. circuits */ 873 val = inb(ICEMT1724(ice, RATE)); 874 outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE)); 875 876 new = (get_cpld(ice) & ~CPLD_CKS_MASK) | get_cks_val(rate); 877 /* switch to internal clock, drop CPLD_SYNC_SEL */ 878 new &= ~CPLD_SYNC_SEL; 879 /* dev_dbg(ice->card->dev, "QT - set_rate: old %x, new %x\n", 880 get_cpld(ice), new); */ 881 set_cpld(ice, new); 882} 883 884static inline unsigned char qtet_set_mclk(struct snd_ice1712 *ice, 885 unsigned int rate) 886{ 887 /* no change in master clock */ 888 return 0; 889} 890 891/* setting clock to external - SPDIF */ 892static int qtet_set_spdif_clock(struct snd_ice1712 *ice, int type) 893{ 894 unsigned int old, new; 895 896 old = new = get_cpld(ice); 897 new &= ~(CPLD_CKS_MASK | CPLD_WORD_SEL); 898 switch (type) { 899 case EXT_SPDIF_TYPE: 900 new |= CPLD_EXT_SPDIF; 901 break; 902 case EXT_WORDCLOCK_1FS_TYPE: 903 new |= CPLD_EXT_WORDCLOCK_1FS; 904 break; 905 case EXT_WORDCLOCK_256FS_TYPE: 906 new |= CPLD_EXT_WORDCLOCK_256FS; 907 break; 908 default: 909 snd_BUG(); 910 } 911 if (old != new) { 912 set_cpld(ice, new); 913 /* changed */ 914 return 1; 915 } 916 return 0; 917} 918 919static int qtet_get_spdif_master_type(struct snd_ice1712 *ice) 920{ 921 unsigned int val; 922 int result; 923 val = get_cpld(ice); 924 /* checking only rate/clock-related bits */ 925 val &= (CPLD_CKS_MASK | CPLD_WORD_SEL | CPLD_SYNC_SEL); 926 if (!(val & CPLD_SYNC_SEL)) { 927 /* switched to internal clock, is not any external type */ 928 result = -1; 929 } else { 930 switch (val) { 931 case (CPLD_EXT_SPDIF): 932 result = EXT_SPDIF_TYPE; 933 break; 934 case (CPLD_EXT_WORDCLOCK_1FS): 935 result = EXT_WORDCLOCK_1FS_TYPE; 936 break; 937 case (CPLD_EXT_WORDCLOCK_256FS): 938 result = EXT_WORDCLOCK_256FS_TYPE; 939 break; 940 default: 941 /* undefined combination of external clock setup */ 942 snd_BUG(); 943 result = 0; 944 } 945 } 946 return result; 947} 948 949/* Called when ak4113 detects change in the input SPDIF stream */ 950static void qtet_ak4113_change(struct ak4113 *ak4113, unsigned char c0, 951 unsigned char c1) 952{ 953 struct snd_ice1712 *ice = ak4113->change_callback_private; 954 int rate; 955 if ((qtet_get_spdif_master_type(ice) == EXT_SPDIF_TYPE) && 956 c1) { 957 /* only for SPDIF master mode, rate was changed */ 958 rate = snd_ak4113_external_rate(ak4113); 959 /* dev_dbg(ice->card->dev, "ak4113 - input rate changed to %d\n", 960 rate); */ 961 qtet_akm_set_rate_val(ice->akm, rate); 962 } 963} 964 965/* 966 * If clock slaved to SPDIF-IN, setting runtime rate 967 * to the detected external rate 968 */ 969static void qtet_spdif_in_open(struct snd_ice1712 *ice, 970 struct snd_pcm_substream *substream) 971{ 972 struct qtet_spec *spec = ice->spec; 973 struct snd_pcm_runtime *runtime = substream->runtime; 974 int rate; 975 976 if (qtet_get_spdif_master_type(ice) != EXT_SPDIF_TYPE) 977 /* not external SPDIF, no rate limitation */ 978 return; 979 /* only external SPDIF can detect incoming sample rate */ 980 rate = snd_ak4113_external_rate(spec->ak4113); 981 if (rate >= runtime->hw.rate_min && rate <= runtime->hw.rate_max) { 982 runtime->hw.rate_min = rate; 983 runtime->hw.rate_max = rate; 984 } 985} 986 987/* 988 * initialize the chip 989 */ 990static int qtet_init(struct snd_ice1712 *ice) 991{ 992 static const unsigned char ak4113_init_vals[] = { 993 /* AK4113_REG_PWRDN */ AK4113_RST | AK4113_PWN | 994 AK4113_OCKS0 | AK4113_OCKS1, 995 /* AK4113_REQ_FORMAT */ AK4113_DIF_I24I2S | AK4113_VTX | 996 AK4113_DEM_OFF | AK4113_DEAU, 997 /* AK4113_REG_IO0 */ AK4113_OPS2 | AK4113_TXE | 998 AK4113_XTL_24_576M, 999 /* AK4113_REG_IO1 */ AK4113_EFH_1024LRCLK | AK4113_IPS(0), 1000 /* AK4113_REG_INT0_MASK */ 0, 1001 /* AK4113_REG_INT1_MASK */ 0, 1002 /* AK4113_REG_DATDTS */ 0, 1003 }; 1004 int err; 1005 struct qtet_spec *spec; 1006 struct snd_akm4xxx *ak; 1007 unsigned char val; 1008 1009 /* switching ice1724 to external clock - supplied by ext. circuits */ 1010 val = inb(ICEMT1724(ice, RATE)); 1011 outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE)); 1012 1013 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 1014 if (!spec) 1015 return -ENOMEM; 1016 /* qtet is clocked by Xilinx array */ 1017 ice->hw_rates = &qtet_rates_info; 1018 ice->is_spdif_master = qtet_is_spdif_master; 1019 ice->get_rate = qtet_get_rate; 1020 ice->set_rate = qtet_set_rate; 1021 ice->set_mclk = qtet_set_mclk; 1022 ice->set_spdif_clock = qtet_set_spdif_clock; 1023 ice->get_spdif_master_type = qtet_get_spdif_master_type; 1024 ice->ext_clock_names = ext_clock_names; 1025 ice->ext_clock_count = ARRAY_SIZE(ext_clock_names); 1026 /* since Qtet can detect correct SPDIF-in rate, all streams can be 1027 * limited to this specific rate */ 1028 ice->spdif.ops.open = ice->pro_open = qtet_spdif_in_open; 1029 ice->spec = spec; 1030 1031 /* Mute Off */ 1032 /* SCR Initialize*/ 1033 /* keep codec power down first */ 1034 set_scr(ice, SCR_PHP); 1035 udelay(1); 1036 /* codec power up */ 1037 set_scr(ice, SCR_PHP | SCR_CODEC_PDN); 1038 1039 /* MCR Initialize */ 1040 set_mcr(ice, 0); 1041 1042 /* CPLD Initialize */ 1043 set_cpld(ice, 0); 1044 1045 1046 ice->num_total_dacs = 2; 1047 ice->num_total_adcs = 2; 1048 1049 ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL); 1050 ak = ice->akm; 1051 if (!ak) 1052 return -ENOMEM; 1053 /* only one codec with two chips */ 1054 ice->akm_codecs = 1; 1055 err = snd_ice1712_akm4xxx_init(ak, &akm_qtet_dac, NULL, ice); 1056 if (err < 0) 1057 return err; 1058 err = snd_ak4113_create(ice->card, 1059 qtet_ak4113_read, 1060 qtet_ak4113_write, 1061 ak4113_init_vals, 1062 ice, &spec->ak4113); 1063 if (err < 0) 1064 return err; 1065 /* callback for codecs rate setting */ 1066 spec->ak4113->change_callback = qtet_ak4113_change; 1067 spec->ak4113->change_callback_private = ice; 1068 /* AK41143 in Quartet can detect external rate correctly 1069 * (i.e. check_flags = 0) */ 1070 spec->ak4113->check_flags = 0; 1071 1072 proc_init(ice); 1073 1074 qtet_set_rate(ice, 44100); 1075 return 0; 1076} 1077 1078static unsigned char qtet_eeprom[] = { 1079 [ICE_EEP2_SYSCONF] = 0x28, /* clock 256(24MHz), mpu401, 1xADC, 1080 1xDACs, SPDIF in */ 1081 [ICE_EEP2_ACLINK] = 0x80, /* I2S */ 1082 [ICE_EEP2_I2S] = 0x78, /* 96k, 24bit, 192k */ 1083 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, in, out-ext */ 1084 [ICE_EEP2_GPIO_DIR] = 0x00, /* 0-7 inputs, switched to output 1085 only during output operations */ 1086 [ICE_EEP2_GPIO_DIR1] = 0xff, /* 8-15 outputs */ 1087 [ICE_EEP2_GPIO_DIR2] = 0x00, 1088 [ICE_EEP2_GPIO_MASK] = 0xff, /* changed only for OUT operations */ 1089 [ICE_EEP2_GPIO_MASK1] = 0x00, 1090 [ICE_EEP2_GPIO_MASK2] = 0xff, 1091 1092 [ICE_EEP2_GPIO_STATE] = 0x00, /* inputs */ 1093 [ICE_EEP2_GPIO_STATE1] = 0x7d, /* all 1, but GPIO_CPLD_RW 1094 and GPIO15 always zero */ 1095 [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */ 1096}; 1097 1098/* entry point */ 1099struct snd_ice1712_card_info snd_vt1724_qtet_cards[] = { 1100 { 1101 .subvendor = VT1724_SUBDEVICE_QTET, 1102 .name = "Infrasonic Quartet", 1103 .model = "quartet", 1104 .chip_init = qtet_init, 1105 .build_controls = qtet_add_controls, 1106 .eeprom_size = sizeof(qtet_eeprom), 1107 .eeprom_data = qtet_eeprom, 1108 }, 1109 { } /* terminator */ 1110}; 1111