sound/pci/ice1712/ews.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for Terratec EWS88MT/D, EWX24/96, DMX 6Fire
   5  *
   6  *      Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
   7  *                    2002 Takashi Iwai <tiwai@suse.de>
   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 <sound/driver.h>
  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/cs8427.h>
  33 #include <sound/asoundef.h>
  34
  35 #include "ice1712.h"
  36 #include "ews.h"
  37
  38 #define SND_CS8404
  39 #include <sound/cs8403.h>
  40
  41 /*
  42  * access via i2c mode (for EWX 24/96, EWS 88MT&D)
  43  */
  44
  45 /* send SDA and SCL */
  46 static void ewx_i2c_setlines(snd_i2c_bus_t *bus, int clk, int data)
  47 {
  48         ice1712_t *ice = bus->private_data;
  49         unsigned char tmp = 0;
  50         if (clk)
  51                 tmp |= ICE1712_EWX2496_SERIAL_CLOCK;
  52         if (data)
  53                 tmp |= ICE1712_EWX2496_SERIAL_DATA;
  54         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  55         udelay(5);
  56 }
  57
  58 static int ewx_i2c_getclock(snd_i2c_bus_t *bus)
  59 {
  60         ice1712_t *ice = bus->private_data;
  61         return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_CLOCK ? 1 : 0;
  62 }
  63
  64 static int ewx_i2c_getdata(snd_i2c_bus_t *bus, int ack)
  65 {
  66         ice1712_t *ice = bus->private_data;
  67         int bit;
  68         /* set RW pin to low */
  69         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_RW);
  70         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, 0);
  71         if (ack)
  72                 udelay(5);
  73         bit = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_DATA ? 1 : 0;
  74         /* set RW pin to high */
  75         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ICE1712_EWX2496_RW);
  76         /* reset write mask */
  77         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_SERIAL_CLOCK);
  78         return bit;
  79 }
  80
  81 static void ewx_i2c_start(snd_i2c_bus_t *bus)
  82 {
  83         ice1712_t *ice = bus->private_data;
  84         unsigned char mask;
  85
  86         snd_ice1712_save_gpio_status(ice);
  87         /* set RW high */
  88         mask = ICE1712_EWX2496_RW;
  89         switch (ice->eeprom.subvendor) {
  90         case ICE1712_SUBDEVICE_EWX2496:
  91                 mask |= ICE1712_EWX2496_AK4524_CS; /* CS high also */
  92                 break;
  93         case ICE1712_SUBDEVICE_DMX6FIRE:
  94                 mask |= ICE1712_6FIRE_AK4524_CS_MASK; /* CS high also */
  95                 break;
  96         }
  97         snd_ice1712_gpio_write_bits(ice, mask, mask);
  98 }
  99
 100 static void ewx_i2c_stop(snd_i2c_bus_t *bus)
 101 {
 102         ice1712_t *ice = bus->private_data;
 103         snd_ice1712_restore_gpio_status(ice);
 104 }
 105
 106 static void ewx_i2c_direction(snd_i2c_bus_t *bus, int clock, int data)
 107 {
 108         ice1712_t *ice = bus->private_data;
 109         unsigned char mask = 0;
 110
 111         if (clock)
 112                 mask |= ICE1712_EWX2496_SERIAL_CLOCK; /* write SCL */
 113         if (data)
 114                 mask |= ICE1712_EWX2496_SERIAL_DATA; /* write SDA */
 115         ice->gpio.direction &= ~(ICE1712_EWX2496_SERIAL_CLOCK|ICE1712_EWX2496_SERIAL_DATA);
 116         ice->gpio.direction |= mask;
 117         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->gpio.direction);
 118         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~mask);
 119 }
 120
 121 static snd_i2c_bit_ops_t snd_ice1712_ewx_cs8427_bit_ops = {
 122         .start = ewx_i2c_start,
 123         .stop = ewx_i2c_stop,
 124         .direction = ewx_i2c_direction,
 125         .setlines = ewx_i2c_setlines,
 126         .getclock = ewx_i2c_getclock,
 127         .getdata = ewx_i2c_getdata,
 128 };
 129
 130
 131 /*
 132  * AK4524 access
 133  */
 134
 135 /* AK4524 chip select; address 0x48 bit 0-3 */
 136 static int snd_ice1712_ews88mt_chip_select(ice1712_t *ice, int chip_mask)
 137 {
 138         unsigned char data, ndata;
 139
 140         snd_assert(chip_mask >= 0 && chip_mask <= 0x0f, return -EINVAL);
 141         snd_i2c_lock(ice->i2c);
 142         if (snd_i2c_readbytes(ice->i2cdevs[1], &data, 1) != 1)
 143                 goto __error;
 144         ndata = (data & 0xf0) | chip_mask;
 145         if (ndata != data)
 146                 if (snd_i2c_sendbytes(ice->i2cdevs[1], &ndata, 1) != 1)
 147                         goto __error;
 148         snd_i2c_unlock(ice->i2c);
 149         return 0;
 150
 151      __error:
 152         snd_i2c_unlock(ice->i2c);
 153         snd_printk(KERN_ERR "AK4524 chip select failed, check cable to the front module\n");
 154         return -EIO;
 155 }
 156
 157 /* start callback for EWS88MT, needs to select a certain chip mask */
 158 static void ews88mt_ak4524_lock(akm4xxx_t *ak, int chip)
 159 {
 160         ice1712_t *ice = ak->private_data[0];
 161         unsigned char tmp;
 162         /* assert AK4524 CS */
 163         if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
 164                 snd_printk(KERN_ERR "fatal error (ews88mt chip select)\n");
 165         snd_ice1712_save_gpio_status(ice);
 166         tmp = ICE1712_EWS88_SERIAL_DATA |
 167                 ICE1712_EWS88_SERIAL_CLOCK |
 168                 ICE1712_EWS88_RW;
 169         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 170                           ice->gpio.direction | tmp);
 171         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 172 }
 173
 174 /* stop callback for EWS88MT, needs to deselect chip mask */
 175 static void ews88mt_ak4524_unlock(akm4xxx_t *ak, int chip)
 176 {
 177         ice1712_t *ice = ak->private_data[0];
 178         snd_ice1712_restore_gpio_status(ice);
 179         udelay(1);
 180         snd_ice1712_ews88mt_chip_select(ice, 0x0f);
 181 }
 182
 183 /* start callback for EWX24/96 */
 184 static void ewx2496_ak4524_lock(akm4xxx_t *ak, int chip)
 185 {
 186         ice1712_t *ice = ak->private_data[0];
 187         unsigned char tmp;
 188         snd_ice1712_save_gpio_status(ice);
 189         tmp =  ICE1712_EWX2496_SERIAL_DATA |
 190                 ICE1712_EWX2496_SERIAL_CLOCK |
 191                 ICE1712_EWX2496_AK4524_CS |
 192                 ICE1712_EWX2496_RW;
 193         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 194                           ice->gpio.direction | tmp);
 195         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 196 }
 197
 198 /* start callback for DMX 6fire */
 199 static void dmx6fire_ak4524_lock(akm4xxx_t *ak, int chip)
 200 {
 201         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 202         ice1712_t *ice = ak->private_data[0];
 203         unsigned char tmp;
 204         snd_ice1712_save_gpio_status(ice);
 205         tmp = priv->cs_mask = priv->cs_addr = (1 << chip) & ICE1712_6FIRE_AK4524_CS_MASK;
 206         tmp |= ICE1712_6FIRE_SERIAL_DATA |
 207                 ICE1712_6FIRE_SERIAL_CLOCK |
 208                 ICE1712_6FIRE_RW;
 209         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 210                           ice->gpio.direction | tmp);
 211         snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 212 }
 213
 214 /*
 215  * CS8404 interface on EWS88MT/D
 216  */
 217
 218 static void snd_ice1712_ews_cs8404_spdif_write(ice1712_t *ice, unsigned char bits)
 219 {
 220         unsigned char bytes[2];
 221
 222         snd_i2c_lock(ice->i2c);
 223         switch (ice->eeprom.subvendor) {
 224         case ICE1712_SUBDEVICE_EWS88MT:
 225         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 226         case ICE1712_SUBDEVICE_PHASE88:
 227                 snd_runtime_check(snd_i2c_sendbytes(ice->cs8404, &bits, 1) == 1, goto _error);
 228                 break;
 229         case ICE1712_SUBDEVICE_EWS88D:
 230                 snd_runtime_check(snd_i2c_readbytes(ice->i2cdevs[0], bytes, 2) == 2, goto _error);
 231                 if (bits != bytes[1]) {
 232                         bytes[1] = bits;
 233                         snd_runtime_check(snd_i2c_readbytes(ice->i2cdevs[0], bytes, 2) == 2, goto _error);
 234                 }
 235                 break;
 236         }
 237  _error:
 238         snd_i2c_unlock(ice->i2c);
 239 }
 240
 241 /*
 242  */
 243
 244 static void ews88_spdif_default_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
 245 {
 246         snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
 247 }
 248
 249 static int ews88_spdif_default_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
 250 {
 251         unsigned int val;
 252         int change;
 253
 254         val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
 255         spin_lock_irq(&ice->reg_lock);
 256         change = ice->spdif.cs8403_bits != val;
 257         ice->spdif.cs8403_bits = val;
 258         if (change && ice->playback_pro_substream == NULL) {
 259                 spin_unlock_irq(&ice->reg_lock);
 260                 snd_ice1712_ews_cs8404_spdif_write(ice, val);
 261         } else {
 262                 spin_unlock_irq(&ice->reg_lock);
 263         }
 264         return change;
 265 }
 266
 267 static void ews88_spdif_stream_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
 268 {
 269         snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
 270 }
 271
 272 static int ews88_spdif_stream_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
 273 {
 274         unsigned int val;
 275         int change;
 276
 277         val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
 278         spin_lock_irq(&ice->reg_lock);
 279         change = ice->spdif.cs8403_stream_bits != val;
 280         ice->spdif.cs8403_stream_bits = val;
 281         if (change && ice->playback_pro_substream != NULL) {
 282                 spin_unlock_irq(&ice->reg_lock);
 283                 snd_ice1712_ews_cs8404_spdif_write(ice, val);
 284         } else {
 285                 spin_unlock_irq(&ice->reg_lock);
 286         }
 287         return change;
 288 }
 289
 290
 291 /* open callback */
 292 static void ews88_open_spdif(ice1712_t *ice, snd_pcm_substream_t * substream)
 293 {
 294         ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
 295 }
 296
 297 /* set up SPDIF for EWS88MT / EWS88D */
 298 static void ews88_setup_spdif(ice1712_t *ice, int rate)
 299 {
 300         unsigned long flags;
 301         unsigned char tmp;
 302         int change;
 303
 304         spin_lock_irqsave(&ice->reg_lock, flags);
 305         tmp = ice->spdif.cs8403_stream_bits;
 306         if (tmp & 0x10)         /* consumer */
 307                 tmp &= (tmp & 0x01) ? ~0x06 : ~0x60;
 308         switch (rate) {
 309         case 32000: tmp |= (tmp & 0x01) ? 0x02 : 0x00; break;
 310         case 44100: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
 311         case 48000: tmp |= (tmp & 0x01) ? 0x04 : 0x20; break;
 312         default: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
 313         }
 314         change = ice->spdif.cs8403_stream_bits != tmp;
 315         ice->spdif.cs8403_stream_bits = tmp;
 316         spin_unlock_irqrestore(&ice->reg_lock, flags);
 317         if (change)
 318                 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
 319         snd_ice1712_ews_cs8404_spdif_write(ice, tmp);
 320 }
 321
 322
 323 /*
 324  */
 325 static akm4xxx_t akm_ews88mt __devinitdata = {
 326         .num_adcs = 8,
 327         .num_dacs = 8,
 328         .type = SND_AK4524,
 329         .ops = {
 330                 .lock = ews88mt_ak4524_lock,
 331                 .unlock = ews88mt_ak4524_unlock
 332         }
 333 };
 334
 335 static struct snd_ak4xxx_private akm_ews88mt_priv __devinitdata = {
 336         .caddr = 2,
 337         .cif = 1, /* CIF high */
 338         .data_mask = ICE1712_EWS88_SERIAL_DATA,
 339         .clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
 340         .cs_mask = 0,
 341         .cs_addr = 0,
 342         .cs_none = 0, /* no chip select on gpio */
 343         .add_flags = ICE1712_EWS88_RW, /* set rw bit high */
 344         .mask_flags = 0,
 345 };
 346
 347 static akm4xxx_t akm_ewx2496 __devinitdata = {
 348         .num_adcs = 2,
 349         .num_dacs = 2,
 350         .type = SND_AK4524,
 351         .ops = {
 352                 .lock = ewx2496_ak4524_lock
 353         }
 354 };
 355
 356 static struct snd_ak4xxx_private akm_ewx2496_priv __devinitdata = {
 357         .caddr = 2,
 358         .cif = 1, /* CIF high */
 359         .data_mask = ICE1712_EWS88_SERIAL_DATA,
 360         .clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
 361         .cs_mask = ICE1712_EWX2496_AK4524_CS,
 362         .cs_addr = ICE1712_EWX2496_AK4524_CS,
 363         .cs_none = 0,
 364         .add_flags = ICE1712_EWS88_RW, /* set rw bit high */
 365         .mask_flags = 0,
 366 };
 367
 368 static akm4xxx_t akm_6fire __devinitdata = {
 369         .num_adcs = 6,
 370         .num_dacs = 6,
 371         .type = SND_AK4524,
 372         .ops = {
 373                 .lock = dmx6fire_ak4524_lock
 374         }
 375 };
 376
 377 static struct snd_ak4xxx_private akm_6fire_priv __devinitdata = {
 378         .caddr = 2,
 379         .cif = 1, /* CIF high */
 380         .data_mask = ICE1712_6FIRE_SERIAL_DATA,
 381         .clk_mask = ICE1712_6FIRE_SERIAL_CLOCK,
 382         .cs_mask = 0,
 383         .cs_addr = 0, /* set later */
 384         .cs_none = 0,
 385         .add_flags = ICE1712_6FIRE_RW, /* set rw bit high */
 386         .mask_flags = 0,
 387 };
 388
 389 /*
 390  * initialize the chip
 391  */
 392
 393 /* 6fire specific */
 394 #define PCF9554_REG_INPUT      0
 395 #define PCF9554_REG_OUTPUT     1
 396 #define PCF9554_REG_POLARITY   2
 397 #define PCF9554_REG_CONFIG     3
 398
 399 static int snd_ice1712_6fire_write_pca(ice1712_t *ice, unsigned char reg, unsigned char data);
 400
 401 static int __devinit snd_ice1712_ews_init(ice1712_t *ice)
 402 {
 403         int err;
 404         akm4xxx_t *ak;
 405
 406         /* set the analog DACs */
 407         switch (ice->eeprom.subvendor) {
 408         case ICE1712_SUBDEVICE_EWX2496:
 409                 ice->num_total_dacs = 2;
 410                 ice->num_total_adcs = 2;
 411                 break;
 412         case ICE1712_SUBDEVICE_EWS88MT:
 413         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 414         case ICE1712_SUBDEVICE_PHASE88:
 415                 ice->num_total_dacs = 8;
 416                 ice->num_total_adcs = 8;
 417                 break;
 418         case ICE1712_SUBDEVICE_EWS88D:
 419                 break; /* no analog */
 420         case ICE1712_SUBDEVICE_DMX6FIRE:
 421                 ice->num_total_dacs = 6;
 422                 ice->num_total_adcs = 6;
 423                 break;
 424         }
 425
 426         /* create i2c */
 427         if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 428                 snd_printk("unable to create I2C bus\n");
 429                 return err;
 430         }
 431         ice->i2c->private_data = ice;
 432         ice->i2c->hw_ops.bit = &snd_ice1712_ewx_cs8427_bit_ops;
 433
 434         /* create i2c devices */
 435         switch (ice->eeprom.subvendor) {
 436         case ICE1712_SUBDEVICE_DMX6FIRE:
 437                 if ((err = snd_i2c_device_create(ice->i2c, "PCF9554", ICE1712_6FIRE_PCF9554_ADDR, &ice->i2cdevs[0])) < 0) {
 438                         snd_printk("PCF9554 initialization failed\n");
 439                         return err;
 440                 }
 441                 snd_ice1712_6fire_write_pca(ice, PCF9554_REG_CONFIG, 0x80);
 442                 break;
 443         case ICE1712_SUBDEVICE_EWS88MT:
 444         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 445         case ICE1712_SUBDEVICE_PHASE88:
 446                 if ((err = snd_i2c_device_create(ice->i2c, "CS8404", ICE1712_EWS88MT_CS8404_ADDR, &ice->cs8404)) < 0)
 447                         return err;
 448                 if ((err = snd_i2c_device_create(ice->i2c, "PCF8574 (1st)", ICE1712_EWS88MT_INPUT_ADDR, &ice->i2cdevs[0])) < 0)
 449                         return err;
 450                 if ((err = snd_i2c_device_create(ice->i2c, "PCF8574 (2nd)", ICE1712_EWS88MT_OUTPUT_ADDR, &ice->i2cdevs[1])) < 0)
 451                         return err;
 452                 /* Check if the front module is connected */
 453                 if ((err = snd_ice1712_ews88mt_chip_select(ice, 0x0f)) < 0)
 454                         return err;
 455                 break;
 456         case ICE1712_SUBDEVICE_EWS88D:
 457                 if ((err = snd_i2c_device_create(ice->i2c, "PCF8575", ICE1712_EWS88D_PCF_ADDR, &ice->i2cdevs[0])) < 0)
 458                         return err;
 459                 break;
 460         }
 461
 462         /* set up SPDIF interface */
 463         switch (ice->eeprom.subvendor) {
 464         case ICE1712_SUBDEVICE_EWX2496:
 465                 if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
 466                         return err;
 467                 snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
 468                 break;
 469         case ICE1712_SUBDEVICE_DMX6FIRE:
 470                 if ((err = snd_ice1712_init_cs8427(ice, ICE1712_6FIRE_CS8427_ADDR)) < 0)
 471                         return err;
 472                 snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
 473                 break;
 474         case ICE1712_SUBDEVICE_EWS88MT:
 475         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 476         case ICE1712_SUBDEVICE_PHASE88:
 477         case ICE1712_SUBDEVICE_EWS88D:
 478                 /* set up CS8404 */
 479                 ice->spdif.ops.open = ews88_open_spdif;
 480                 ice->spdif.ops.setup_rate = ews88_setup_spdif;
 481                 ice->spdif.ops.default_get = ews88_spdif_default_get;
 482                 ice->spdif.ops.default_put = ews88_spdif_default_put;
 483                 ice->spdif.ops.stream_get = ews88_spdif_stream_get;
 484                 ice->spdif.ops.stream_put = ews88_spdif_stream_put;
 485                 /* Set spdif defaults */
 486                 snd_ice1712_ews_cs8404_spdif_write(ice, ice->spdif.cs8403_bits);
 487                 break;
 488         }
 489
 490         /* no analog? */
 491         switch (ice->eeprom.subvendor) {
 492         case ICE1712_SUBDEVICE_EWS88D:
 493                 return 0;
 494         }
 495
 496         /* analog section */
 497         ak = ice->akm = kmalloc(sizeof(akm4xxx_t), GFP_KERNEL);
 498         if (! ak)
 499                 return -ENOMEM;
 500         ice->akm_codecs = 1;
 501
 502         switch (ice->eeprom.subvendor) {
 503         case ICE1712_SUBDEVICE_EWS88MT:
 504         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 505         case ICE1712_SUBDEVICE_PHASE88:
 506                 err = snd_ice1712_akm4xxx_init(ak, &akm_ews88mt, &akm_ews88mt_priv, ice);
 507                 break;
 508         case ICE1712_SUBDEVICE_EWX2496:
 509                 err = snd_ice1712_akm4xxx_init(ak, &akm_ewx2496, &akm_ewx2496_priv, ice);
 510                 break;
 511         case ICE1712_SUBDEVICE_DMX6FIRE:
 512                 err = snd_ice1712_akm4xxx_init(ak, &akm_6fire, &akm_6fire_priv, ice);
 513                 break;
 514         default:
 515                 err = 0;
 516         }
 517
 518         return err;
 519 }
 520
 521 /*
 522  * EWX 24/96 specific controls
 523  */
 524
 525 /* i/o sensitivity - this callback is shared among other devices, too */
 526 static int snd_ice1712_ewx_io_sense_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo){
 527
 528         static char *texts[2] = {
 529                 "+4dBu", "-10dBV",
 530         };
 531         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 532         uinfo->count = 1;
 533         uinfo->value.enumerated.items = 2;
 534         if (uinfo->value.enumerated.item >= 2)
 535                 uinfo->value.enumerated.item = 1;
 536         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 537         return 0;
 538 }
 539
 540 static int snd_ice1712_ewx_io_sense_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 541 {
 542         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 543         unsigned char mask = kcontrol->private_value & 0xff;
 544
 545         snd_ice1712_save_gpio_status(ice);
 546         ucontrol->value.enumerated.item[0] = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & mask ? 1 : 0;
 547         snd_ice1712_restore_gpio_status(ice);
 548         return 0;
 549 }
 550
 551 static int snd_ice1712_ewx_io_sense_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 552 {
 553         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 554         unsigned char mask = kcontrol->private_value & 0xff;
 555         int val, nval;
 556
 557         if (kcontrol->private_value & (1 << 31))
 558                 return -EPERM;
 559         nval = ucontrol->value.enumerated.item[0] ? mask : 0;
 560         snd_ice1712_save_gpio_status(ice);
 561         val = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 562         nval |= val & ~mask;
 563         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, nval);
 564         snd_ice1712_restore_gpio_status(ice);
 565         return val != nval;
 566 }
 567
 568 static snd_kcontrol_new_t snd_ice1712_ewx2496_controls[] __devinitdata = {
 569         {
 570                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 571                 .name = "Input Sensitivity Switch",
 572                 .info = snd_ice1712_ewx_io_sense_info,
 573                 .get = snd_ice1712_ewx_io_sense_get,
 574                 .put = snd_ice1712_ewx_io_sense_put,
 575                 .private_value = ICE1712_EWX2496_AIN_SEL,
 576         },
 577         {
 578                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 579                 .name = "Output Sensitivity Switch",
 580                 .info = snd_ice1712_ewx_io_sense_info,
 581                 .get = snd_ice1712_ewx_io_sense_get,
 582                 .put = snd_ice1712_ewx_io_sense_put,
 583                 .private_value = ICE1712_EWX2496_AOUT_SEL,
 584         },
 585 };
 586
 587
 588 /*
 589  * EWS88MT specific controls
 590  */
 591 /* analog output sensitivity;; address 0x48 bit 6 */
 592 static int snd_ice1712_ews88mt_output_sense_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 593 {
 594         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 595         unsigned char data;
 596
 597         snd_i2c_lock(ice->i2c);
 598         if (snd_i2c_readbytes(ice->i2cdevs[1], &data, 1) != 1) {
 599                 snd_i2c_unlock(ice->i2c);
 600                 return -EIO;
 601         }
 602         snd_i2c_unlock(ice->i2c);
 603         ucontrol->value.enumerated.item[0] = data & ICE1712_EWS88MT_OUTPUT_SENSE ? 1 : 0; /* high = -10dBV, low = +4dBu */
 604         return 0;
 605 }
 606
 607 /* analog output sensitivity;; address 0x48 bit 6 */
 608 static int snd_ice1712_ews88mt_output_sense_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 609 {
 610         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 611         unsigned char data, ndata;
 612
 613         snd_i2c_lock(ice->i2c);
 614         if (snd_i2c_readbytes(ice->i2cdevs[1], &data, 1) != 1) {
 615                 snd_i2c_unlock(ice->i2c);
 616                 return -EIO;
 617         }
 618         ndata = (data & ~ICE1712_EWS88MT_OUTPUT_SENSE) | (ucontrol->value.enumerated.item[0] ? ICE1712_EWS88MT_OUTPUT_SENSE : 0);
 619         if (ndata != data && snd_i2c_sendbytes(ice->i2cdevs[1], &ndata, 1) != 1) {
 620                 snd_i2c_unlock(ice->i2c);
 621                 return -EIO;
 622         }
 623         snd_i2c_unlock(ice->i2c);
 624         return ndata != data;
 625 }
 626
 627 /* analog input sensitivity; address 0x46 */
 628 static int snd_ice1712_ews88mt_input_sense_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 629 {
 630         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 631         int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 632         unsigned char data;
 633
 634         snd_assert(channel >= 0 && channel <= 7, return 0);
 635         snd_i2c_lock(ice->i2c);
 636         if (snd_i2c_readbytes(ice->i2cdevs[0], &data, 1) != 1) {
 637                 snd_i2c_unlock(ice->i2c);
 638                 return -EIO;
 639         }
 640         /* reversed; high = +4dBu, low = -10dBV */
 641         ucontrol->value.enumerated.item[0] = data & (1 << channel) ? 0 : 1;
 642         snd_i2c_unlock(ice->i2c);
 643         return 0;
 644 }
 645
 646 /* analog output sensitivity; address 0x46 */
 647 static int snd_ice1712_ews88mt_input_sense_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 648 {
 649         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 650         int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 651         unsigned char data, ndata;
 652
 653         snd_assert(channel >= 0 && channel <= 7, return 0);
 654         snd_i2c_lock(ice->i2c);
 655         if (snd_i2c_readbytes(ice->i2cdevs[0], &data, 1) != 1) {
 656                 snd_i2c_unlock(ice->i2c);
 657                 return -EIO;
 658         }
 659         ndata = (data & ~(1 << channel)) | (ucontrol->value.enumerated.item[0] ? 0 : (1 << channel));
 660         if (ndata != data && snd_i2c_sendbytes(ice->i2cdevs[0], &ndata, 1) != 1) {
 661                 snd_i2c_unlock(ice->i2c);
 662                 return -EIO;
 663         }
 664         snd_i2c_unlock(ice->i2c);
 665         return ndata != data;
 666 }
 667
 668 static snd_kcontrol_new_t snd_ice1712_ews88mt_input_sense __devinitdata = {
 669         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 670         .name = "Input Sensitivity Switch",
 671         .info = snd_ice1712_ewx_io_sense_info,
 672         .get = snd_ice1712_ews88mt_input_sense_get,
 673         .put = snd_ice1712_ews88mt_input_sense_put,
 674         .count = 8,
 675 };
 676
 677 static snd_kcontrol_new_t snd_ice1712_ews88mt_output_sense __devinitdata = {
 678         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 679         .name = "Output Sensitivity Switch",
 680         .info = snd_ice1712_ewx_io_sense_info,
 681         .get = snd_ice1712_ews88mt_output_sense_get,
 682         .put = snd_ice1712_ews88mt_output_sense_put,
 683 };
 684
 685
 686 /*
 687  * EWS88D specific controls
 688  */
 689
 690 static int snd_ice1712_ews88d_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 691 {
 692         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 693         uinfo->count = 1;
 694         uinfo->value.integer.min = 0;
 695         uinfo->value.integer.max = 1;
 696         return 0;
 697 }
 698
 699 static int snd_ice1712_ews88d_control_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 700 {
 701         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 702         int shift = kcontrol->private_value & 0xff;
 703         int invert = (kcontrol->private_value >> 8) & 1;
 704         unsigned char data[2];
 705
 706         snd_i2c_lock(ice->i2c);
 707         if (snd_i2c_readbytes(ice->i2cdevs[0], data, 2) != 2) {
 708                 snd_i2c_unlock(ice->i2c);
 709                 return -EIO;
 710         }
 711         snd_i2c_unlock(ice->i2c);
 712         data[0] = (data[shift >> 3] >> (shift & 7)) & 0x01;
 713         if (invert)
 714                 data[0] ^= 0x01;
 715         ucontrol->value.integer.value[0] = data[0];
 716         return 0;
 717 }
 718
 719 static int snd_ice1712_ews88d_control_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 720 {
 721         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 722         int shift = kcontrol->private_value & 0xff;
 723         int invert = (kcontrol->private_value >> 8) & 1;
 724         unsigned char data[2], ndata[2];
 725         int change;
 726
 727         snd_i2c_lock(ice->i2c);
 728         if (snd_i2c_readbytes(ice->i2cdevs[0], data, 2) != 2) {
 729                 snd_i2c_unlock(ice->i2c);
 730                 return -EIO;
 731         }
 732         ndata[shift >> 3] = data[shift >> 3] & ~(1 << (shift & 7));
 733         if (invert) {
 734                 if (! ucontrol->value.integer.value[0])
 735                         ndata[shift >> 3] |= (1 << (shift & 7));
 736         } else {
 737                 if (ucontrol->value.integer.value[0])
 738                         ndata[shift >> 3] |= (1 << (shift & 7));
 739         }
 740         change = (data[shift >> 3] != ndata[shift >> 3]);
 741         if (change && snd_i2c_sendbytes(ice->i2cdevs[0], data, 2) != 2) {
 742                 snd_i2c_unlock(ice->i2c);
 743                 return -EIO;
 744         }
 745         snd_i2c_unlock(ice->i2c);
 746         return change;
 747 }
 748
 749 #define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) \
 750 { .iface = xiface,\
 751   .name = xname,\
 752   .access = xaccess,\
 753   .info = snd_ice1712_ews88d_control_info,\
 754   .get = snd_ice1712_ews88d_control_get,\
 755   .put = snd_ice1712_ews88d_control_put,\
 756   .private_value = xshift | (xinvert << 8),\
 757 }
 758
 759 static snd_kcontrol_new_t snd_ice1712_ews88d_controls[] __devinitdata = {
 760         EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
 761         EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
 762         EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
 763         EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "Enable ADAT", 3, 0, 0),
 764         EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Through", 4, 1, 0),
 765 };
 766
 767
 768 /*
 769  * DMX 6Fire specific controls
 770  */
 771
 772 static int snd_ice1712_6fire_read_pca(ice1712_t *ice, unsigned char reg)
 773 {
 774         unsigned char byte;
 775         snd_i2c_lock(ice->i2c);
 776         byte = reg;
 777         snd_i2c_sendbytes(ice->i2cdevs[0], &byte, 1);
 778         byte = 0;
 779         if (snd_i2c_readbytes(ice->i2cdevs[0], &byte, 1) != 1) {
 780                 snd_i2c_unlock(ice->i2c);
 781                 printk("cannot read pca\n");
 782                 return -EIO;
 783         }
 784         snd_i2c_unlock(ice->i2c);
 785         return byte;
 786 }
 787
 788 static int snd_ice1712_6fire_write_pca(ice1712_t *ice, unsigned char reg, unsigned char data)
 789 {
 790         unsigned char bytes[2];
 791         snd_i2c_lock(ice->i2c);
 792         bytes[0] = reg;
 793         bytes[1] = data;
 794         if (snd_i2c_sendbytes(ice->i2cdevs[0], bytes, 2) != 2) {
 795                 snd_i2c_unlock(ice->i2c);
 796                 return -EIO;
 797         }
 798         snd_i2c_unlock(ice->i2c);
 799         return 0;
 800 }
 801
 802 static int snd_ice1712_6fire_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 803 {
 804         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 805         uinfo->count = 1;
 806         uinfo->value.integer.min = 0;
 807         uinfo->value.integer.max = 1;
 808         return 0;
 809 }
 810
 811 static int snd_ice1712_6fire_control_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 812 {
 813         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 814         int shift = kcontrol->private_value & 0xff;
 815         int invert = (kcontrol->private_value >> 8) & 1;
 816         int data;
 817
 818         if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 819                 return data;
 820         data = (data >> shift) & 1;
 821         if (invert)
 822                 data ^= 1;
 823         ucontrol->value.integer.value[0] = data;
 824         return 0;
 825 }
 826
 827 static int snd_ice1712_6fire_control_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 828 {
 829         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 830         int shift = kcontrol->private_value & 0xff;
 831         int invert = (kcontrol->private_value >> 8) & 1;
 832         int data, ndata;
 833
 834         if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 835                 return data;
 836         ndata = data & ~(1 << shift);
 837         if (ucontrol->value.integer.value[0])
 838                 ndata |= (1 << shift);
 839         if (invert)
 840                 ndata ^= (1 << shift);
 841         if (data != ndata) {
 842                 snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
 843                 return 1;
 844         }
 845         return 0;
 846 }
 847
 848 static int snd_ice1712_6fire_select_input_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 849 {
 850         static char *texts[4] = {
 851                 "Internal", "Front Input", "Rear Input", "Wave Table"
 852         };
 853         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 854         uinfo->count = 1;
 855         uinfo->value.enumerated.items = 4;
 856         if (uinfo->value.enumerated.item >= 4)
 857                 uinfo->value.enumerated.item = 1;
 858         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 859         return 0;
 860 }
 861
 862 static int snd_ice1712_6fire_select_input_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 863 {
 864         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 865         int data;
 866
 867         if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 868                 return data;
 869         ucontrol->value.integer.value[0] = data & 3;
 870         return 0;
 871 }
 872
 873 static int snd_ice1712_6fire_select_input_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 874 {
 875         ice1712_t *ice = snd_kcontrol_chip(kcontrol);
 876         int data, ndata;
 877
 878         if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 879                 return data;
 880         ndata = data & ~3;
 881         ndata |= (ucontrol->value.integer.value[0] & 3);
 882         if (data != ndata) {
 883                 snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
 884                 return 1;
 885         }
 886         return 0;
 887 }
 888
 889
 890 #define DMX6FIRE_CONTROL(xname, xshift, xinvert) \
 891 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 892   .name = xname,\
 893   .info = snd_ice1712_6fire_control_info,\
 894   .get = snd_ice1712_6fire_control_get,\
 895   .put = snd_ice1712_6fire_control_put,\
 896   .private_value = xshift | (xinvert << 8),\
 897 }
 898
 899 static snd_kcontrol_new_t snd_ice1712_6fire_controls[] __devinitdata = {
 900         {
 901                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 902                 .name = "Analog Input Select",
 903                 .info = snd_ice1712_6fire_select_input_info,
 904                 .get = snd_ice1712_6fire_select_input_get,
 905                 .put = snd_ice1712_6fire_select_input_put,
 906         },
 907         DMX6FIRE_CONTROL("Front Digital Input Switch", 2, 0),
 908         // DMX6FIRE_CONTROL("Master Clock Select", 3, 0),
 909         DMX6FIRE_CONTROL("Optical Digital Input Switch", 4, 0),
 910         DMX6FIRE_CONTROL("Phono Analog Input Switch", 5, 0),
 911         DMX6FIRE_CONTROL("Breakbox LED", 6, 0),
 912 };
 913
 914
 915 static int __devinit snd_ice1712_ews_add_controls(ice1712_t *ice)
 916 {
 917         unsigned int idx;
 918         int err;
 919
 920         /* all terratec cards have spdif, but cs8427 module builds it's own controls */
 921         if (ice->cs8427 == NULL) {
 922                 err = snd_ice1712_spdif_build_controls(ice);
 923                 if (err < 0)
 924                         return err;
 925         }
 926
 927         /* ak4524 controls */
 928         switch (ice->eeprom.subvendor) {
 929         case ICE1712_SUBDEVICE_EWX2496:
 930         case ICE1712_SUBDEVICE_EWS88MT:
 931         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 932         case ICE1712_SUBDEVICE_PHASE88:
 933         case ICE1712_SUBDEVICE_DMX6FIRE:
 934                 err = snd_ice1712_akm4xxx_build_controls(ice);
 935                 if (err < 0)
 936                         return err;
 937                 break;
 938         }
 939
 940         /* card specific controls */
 941         switch (ice->eeprom.subvendor) {
 942         case ICE1712_SUBDEVICE_EWX2496:
 943                 for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ewx2496_controls); idx++) {
 944                         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ewx2496_controls[idx], ice));
 945                         if (err < 0)
 946                                 return err;
 947                 }
 948                 break;
 949         case ICE1712_SUBDEVICE_EWS88MT:
 950         case ICE1712_SUBDEVICE_EWS88MT_NEW:
 951         case ICE1712_SUBDEVICE_PHASE88:
 952                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_input_sense, ice));
 953                 if (err < 0)
 954                         return err;
 955                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_output_sense, ice));
 956                 if (err < 0)
 957                         return err;
 958                 break;
 959         case ICE1712_SUBDEVICE_EWS88D:
 960                 for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ews88d_controls); idx++) {
 961                         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88d_controls[idx], ice));
 962                         if (err < 0)
 963                                 return err;
 964                 }
 965                 break;
 966         case ICE1712_SUBDEVICE_DMX6FIRE:
 967                 for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_6fire_controls); idx++) {
 968                         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_6fire_controls[idx], ice));
 969                         if (err < 0)
 970                                 return err;
 971                 }
 972                 break;
 973         }
 974         return 0;
 975 }
 976
 977
 978 /* entry point */
 979 struct snd_ice1712_card_info snd_ice1712_ews_cards[] __devinitdata = {
 980         {
 981                 .subvendor = ICE1712_SUBDEVICE_EWX2496,
 982                 .name = "TerraTec EWX24/96",
 983                 .model = "ewx2496",
 984                 .chip_init = snd_ice1712_ews_init,
 985                 .build_controls = snd_ice1712_ews_add_controls,
 986         },
 987         {
 988                 .subvendor = ICE1712_SUBDEVICE_EWS88MT,
 989                 .name = "TerraTec EWS88MT",
 990                 .model = "ews88mt",
 991                 .chip_init = snd_ice1712_ews_init,
 992                 .build_controls = snd_ice1712_ews_add_controls,
 993         },
 994         {
 995                 .subvendor = ICE1712_SUBDEVICE_EWS88MT_NEW,
 996                 .name = "TerraTec EWS88MT",
 997                 .model = "ews88mt_new",
 998                 .chip_init = snd_ice1712_ews_init,
 999                 .build_controls = snd_ice1712_ews_add_controls,
1000         },
1001         {
1002                 .subvendor = ICE1712_SUBDEVICE_PHASE88,
1003                 .name = "TerraTec Phase88",
1004                 .model = "phase88",
1005                 .chip_init = snd_ice1712_ews_init,
1006                 .build_controls = snd_ice1712_ews_add_controls,
1007         },
1008         {
1009                 .subvendor = ICE1712_SUBDEVICE_EWS88D,
1010                 .name = "TerraTec EWS88D",
1011                 .model = "ews88d",
1012                 .chip_init = snd_ice1712_ews_init,
1013                 .build_controls = snd_ice1712_ews_add_controls,
1014         },
1015         {
1016                 .subvendor = ICE1712_SUBDEVICE_DMX6FIRE,
1017                 .name = "TerraTec DMX6Fire",
1018                 .model = "dmx6fire",
1019                 .chip_init = snd_ice1712_ews_init,
1020                 .build_controls = snd_ice1712_ews_add_controls,
1021         },
1022         { } /* terminator */
1023 };