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