linux/sound/pci/ice1712/ews.c
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   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@perex.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
  41enum {
  42        EWS_I2C_CS8404 = 0, EWS_I2C_PCF1, EWS_I2C_PCF2,
  43        EWS_I2C_88D = 0,
  44        EWS_I2C_6FIRE = 0
  45};
  46        
  47
  48/*
  49 * access via i2c mode (for EWX 24/96, EWS 88MT&D)
  50 */
  51
  52/* send SDA and SCL */
  53static void ewx_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
  54{
  55        struct snd_ice1712 *ice = bus->private_data;
  56        unsigned char tmp = 0;
  57        if (clk)
  58                tmp |= ICE1712_EWX2496_SERIAL_CLOCK;
  59        if (data)
  60                tmp |= ICE1712_EWX2496_SERIAL_DATA;
  61        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  62        udelay(5);
  63}
  64
  65static int ewx_i2c_getclock(struct snd_i2c_bus *bus)
  66{
  67        struct snd_ice1712 *ice = bus->private_data;
  68        return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_CLOCK ? 1 : 0;
  69}
  70
  71static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack)
  72{
  73        struct snd_ice1712 *ice = bus->private_data;
  74        int bit;
  75        /* set RW pin to low */
  76        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_RW);
  77        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, 0);
  78        if (ack)
  79                udelay(5);
  80        bit = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_DATA ? 1 : 0;
  81        /* set RW pin to high */
  82        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ICE1712_EWX2496_RW);
  83        /* reset write mask */
  84        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_SERIAL_CLOCK);
  85        return bit;
  86}
  87
  88static void ewx_i2c_start(struct snd_i2c_bus *bus)
  89{
  90        struct snd_ice1712 *ice = bus->private_data;
  91        unsigned char mask;
  92
  93        snd_ice1712_save_gpio_status(ice);
  94        /* set RW high */
  95        mask = ICE1712_EWX2496_RW;
  96        switch (ice->eeprom.subvendor) {
  97        case ICE1712_SUBDEVICE_EWX2496:
  98                mask |= ICE1712_EWX2496_AK4524_CS; /* CS high also */
  99                break;
 100        case ICE1712_SUBDEVICE_DMX6FIRE:
 101                mask |= ICE1712_6FIRE_AK4524_CS_MASK; /* CS high also */
 102                break;
 103        }
 104        snd_ice1712_gpio_write_bits(ice, mask, mask);
 105}
 106
 107static void ewx_i2c_stop(struct snd_i2c_bus *bus)
 108{
 109        struct snd_ice1712 *ice = bus->private_data;
 110        snd_ice1712_restore_gpio_status(ice);
 111}
 112
 113static void ewx_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
 114{
 115        struct snd_ice1712 *ice = bus->private_data;
 116        unsigned char mask = 0;
 117
 118        if (clock)
 119                mask |= ICE1712_EWX2496_SERIAL_CLOCK; /* write SCL */
 120        if (data)
 121                mask |= ICE1712_EWX2496_SERIAL_DATA; /* write SDA */
 122        ice->gpio.direction &= ~(ICE1712_EWX2496_SERIAL_CLOCK|ICE1712_EWX2496_SERIAL_DATA);
 123        ice->gpio.direction |= mask;
 124        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->gpio.direction);
 125        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~mask);
 126}
 127
 128static struct snd_i2c_bit_ops snd_ice1712_ewx_cs8427_bit_ops = {
 129        .start = ewx_i2c_start,
 130        .stop = ewx_i2c_stop,
 131        .direction = ewx_i2c_direction,
 132        .setlines = ewx_i2c_setlines,
 133        .getclock = ewx_i2c_getclock,
 134        .getdata = ewx_i2c_getdata,
 135};
 136
 137
 138/*
 139 * AK4524 access
 140 */
 141
 142/* AK4524 chip select; address 0x48 bit 0-3 */
 143static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mask)
 144{
 145        unsigned char data, ndata;
 146
 147        snd_assert(chip_mask >= 0 && chip_mask <= 0x0f, return -EINVAL);
 148        snd_i2c_lock(ice->i2c);
 149        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_PCF2], &data, 1) != 1)
 150                goto __error;
 151        ndata = (data & 0xf0) | chip_mask;
 152        if (ndata != data)
 153                if (snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_PCF2], &ndata, 1) != 1)
 154                        goto __error;
 155        snd_i2c_unlock(ice->i2c);
 156        return 0;
 157
 158     __error:
 159        snd_i2c_unlock(ice->i2c);
 160        snd_printk(KERN_ERR "AK4524 chip select failed, check cable to the front module\n");
 161        return -EIO;
 162}
 163
 164/* start callback for EWS88MT, needs to select a certain chip mask */
 165static void ews88mt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 166{
 167        struct snd_ice1712 *ice = ak->private_data[0];
 168        unsigned char tmp;
 169        /* assert AK4524 CS */
 170        if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
 171                snd_printk(KERN_ERR "fatal error (ews88mt chip select)\n");
 172        snd_ice1712_save_gpio_status(ice);
 173        tmp = ICE1712_EWS88_SERIAL_DATA |
 174                ICE1712_EWS88_SERIAL_CLOCK |
 175                ICE1712_EWS88_RW;
 176        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 177                          ice->gpio.direction | tmp);
 178        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 179}
 180
 181/* stop callback for EWS88MT, needs to deselect chip mask */
 182static void ews88mt_ak4524_unlock(struct snd_akm4xxx *ak, int chip)
 183{
 184        struct snd_ice1712 *ice = ak->private_data[0];
 185        snd_ice1712_restore_gpio_status(ice);
 186        udelay(1);
 187        snd_ice1712_ews88mt_chip_select(ice, 0x0f);
 188}
 189
 190/* start callback for EWX24/96 */
 191static void ewx2496_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 192{
 193        struct snd_ice1712 *ice = ak->private_data[0];
 194        unsigned char tmp;
 195        snd_ice1712_save_gpio_status(ice);
 196        tmp =  ICE1712_EWX2496_SERIAL_DATA |
 197                ICE1712_EWX2496_SERIAL_CLOCK |
 198                ICE1712_EWX2496_AK4524_CS |
 199                ICE1712_EWX2496_RW;
 200        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 201                          ice->gpio.direction | tmp);
 202        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 203}
 204
 205/* start callback for DMX 6fire */
 206static void dmx6fire_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 207{
 208        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 209        struct snd_ice1712 *ice = ak->private_data[0];
 210        unsigned char tmp;
 211        snd_ice1712_save_gpio_status(ice);
 212        tmp = priv->cs_mask = priv->cs_addr = (1 << chip) & ICE1712_6FIRE_AK4524_CS_MASK;
 213        tmp |= ICE1712_6FIRE_SERIAL_DATA |
 214                ICE1712_6FIRE_SERIAL_CLOCK |
 215                ICE1712_6FIRE_RW;
 216        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
 217                          ice->gpio.direction | tmp);
 218        snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
 219}
 220
 221/*
 222 * CS8404 interface on EWS88MT/D
 223 */
 224
 225static void snd_ice1712_ews_cs8404_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
 226{
 227        unsigned char bytes[2];
 228
 229        snd_i2c_lock(ice->i2c);
 230        switch (ice->eeprom.subvendor) {
 231        case ICE1712_SUBDEVICE_EWS88MT:
 232        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 233        case ICE1712_SUBDEVICE_PHASE88:
 234                if (snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_CS8404], &bits, 1) != 1)
 235                        goto _error;
 236                break;
 237        case ICE1712_SUBDEVICE_EWS88D:
 238                if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_88D], bytes, 2) != 2)
 239                        goto _error;
 240                if (bits != bytes[1]) {
 241                        bytes[1] = bits;
 242                        if (snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_88D], bytes, 2) != 2)
 243                                goto _error;
 244                }
 245                break;
 246        }
 247 _error:
 248        snd_i2c_unlock(ice->i2c);
 249}
 250
 251/*
 252 */
 253
 254static void ews88_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 255{
 256        snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
 257}
 258
 259static int ews88_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 260{
 261        unsigned int val;
 262        int change;
 263
 264        val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
 265        spin_lock_irq(&ice->reg_lock);
 266        change = ice->spdif.cs8403_bits != val;
 267        ice->spdif.cs8403_bits = val;
 268        if (change && ice->playback_pro_substream == NULL) {
 269                spin_unlock_irq(&ice->reg_lock);
 270                snd_ice1712_ews_cs8404_spdif_write(ice, val);
 271        } else {
 272                spin_unlock_irq(&ice->reg_lock);
 273        }
 274        return change;
 275}
 276
 277static void ews88_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 278{
 279        snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
 280}
 281
 282static int ews88_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 283{
 284        unsigned int val;
 285        int change;
 286
 287        val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
 288        spin_lock_irq(&ice->reg_lock);
 289        change = ice->spdif.cs8403_stream_bits != val;
 290        ice->spdif.cs8403_stream_bits = val;
 291        if (change && ice->playback_pro_substream != NULL) {
 292                spin_unlock_irq(&ice->reg_lock);
 293                snd_ice1712_ews_cs8404_spdif_write(ice, val);
 294        } else {
 295                spin_unlock_irq(&ice->reg_lock);
 296        }
 297        return change;
 298}
 299
 300
 301/* open callback */
 302static void ews88_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
 303{
 304        ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
 305}
 306
 307/* set up SPDIF for EWS88MT / EWS88D */
 308static void ews88_setup_spdif(struct snd_ice1712 *ice, int rate)
 309{
 310        unsigned long flags;
 311        unsigned char tmp;
 312        int change;
 313
 314        spin_lock_irqsave(&ice->reg_lock, flags);
 315        tmp = ice->spdif.cs8403_stream_bits;
 316        if (tmp & 0x10)         /* consumer */
 317                tmp &= (tmp & 0x01) ? ~0x06 : ~0x60;
 318        switch (rate) {
 319        case 32000: tmp |= (tmp & 0x01) ? 0x02 : 0x00; break;
 320        case 44100: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
 321        case 48000: tmp |= (tmp & 0x01) ? 0x04 : 0x20; break;
 322        default: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
 323        }
 324        change = ice->spdif.cs8403_stream_bits != tmp;
 325        ice->spdif.cs8403_stream_bits = tmp;
 326        spin_unlock_irqrestore(&ice->reg_lock, flags);
 327        if (change)
 328                snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
 329        snd_ice1712_ews_cs8404_spdif_write(ice, tmp);
 330}
 331
 332
 333/*
 334 */
 335static struct snd_akm4xxx akm_ews88mt __devinitdata = {
 336        .num_adcs = 8,
 337        .num_dacs = 8,
 338        .type = SND_AK4524,
 339        .ops = {
 340                .lock = ews88mt_ak4524_lock,
 341                .unlock = ews88mt_ak4524_unlock
 342        }
 343};
 344
 345static struct snd_ak4xxx_private akm_ews88mt_priv __devinitdata = {
 346        .caddr = 2,
 347        .cif = 1, /* CIF high */
 348        .data_mask = ICE1712_EWS88_SERIAL_DATA,
 349        .clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
 350        .cs_mask = 0,
 351        .cs_addr = 0,
 352        .cs_none = 0, /* no chip select on gpio */
 353        .add_flags = ICE1712_EWS88_RW, /* set rw bit high */
 354        .mask_flags = 0,
 355};
 356
 357static struct snd_akm4xxx akm_ewx2496 __devinitdata = {
 358        .num_adcs = 2,
 359        .num_dacs = 2,
 360        .type = SND_AK4524,
 361        .ops = {
 362                .lock = ewx2496_ak4524_lock
 363        }
 364};
 365
 366static struct snd_ak4xxx_private akm_ewx2496_priv __devinitdata = {
 367        .caddr = 2,
 368        .cif = 1, /* CIF high */
 369        .data_mask = ICE1712_EWS88_SERIAL_DATA,
 370        .clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
 371        .cs_mask = ICE1712_EWX2496_AK4524_CS,
 372        .cs_addr = ICE1712_EWX2496_AK4524_CS,
 373        .cs_none = 0,
 374        .add_flags = ICE1712_EWS88_RW, /* set rw bit high */
 375        .mask_flags = 0,
 376};
 377
 378static struct snd_akm4xxx akm_6fire __devinitdata = {
 379        .num_adcs = 6,
 380        .num_dacs = 6,
 381        .type = SND_AK4524,
 382        .ops = {
 383                .lock = dmx6fire_ak4524_lock
 384        }
 385};
 386
 387static struct snd_ak4xxx_private akm_6fire_priv __devinitdata = {
 388        .caddr = 2,
 389        .cif = 1, /* CIF high */
 390        .data_mask = ICE1712_6FIRE_SERIAL_DATA,
 391        .clk_mask = ICE1712_6FIRE_SERIAL_CLOCK,
 392        .cs_mask = 0,
 393        .cs_addr = 0, /* set later */
 394        .cs_none = 0,
 395        .add_flags = ICE1712_6FIRE_RW, /* set rw bit high */
 396        .mask_flags = 0,
 397};
 398
 399/*
 400 * initialize the chip
 401 */
 402
 403/* 6fire specific */
 404#define PCF9554_REG_INPUT      0
 405#define PCF9554_REG_OUTPUT     1
 406#define PCF9554_REG_POLARITY   2
 407#define PCF9554_REG_CONFIG     3
 408
 409static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data);
 410
 411static int __devinit snd_ice1712_ews_init(struct snd_ice1712 *ice)
 412{
 413        int err;
 414        struct snd_akm4xxx *ak;
 415
 416        /* set the analog DACs */
 417        switch (ice->eeprom.subvendor) {
 418        case ICE1712_SUBDEVICE_EWX2496:
 419                ice->num_total_dacs = 2;
 420                ice->num_total_adcs = 2;
 421                break;  
 422        case ICE1712_SUBDEVICE_EWS88MT:
 423        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 424        case ICE1712_SUBDEVICE_PHASE88:
 425                ice->num_total_dacs = 8;
 426                ice->num_total_adcs = 8;
 427                break;
 428        case ICE1712_SUBDEVICE_EWS88D:
 429                /* Note: not analog but ADAT I/O */
 430                ice->num_total_dacs = 8;
 431                ice->num_total_adcs = 8;
 432                break;
 433        case ICE1712_SUBDEVICE_DMX6FIRE:
 434                ice->num_total_dacs = 6;
 435                ice->num_total_adcs = 6;
 436                break;
 437        }
 438
 439        /* create i2c */
 440        if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 441                snd_printk(KERN_ERR "unable to create I2C bus\n");
 442                return err;
 443        }
 444        ice->i2c->private_data = ice;
 445        ice->i2c->hw_ops.bit = &snd_ice1712_ewx_cs8427_bit_ops;
 446
 447        /* create i2c devices */
 448        switch (ice->eeprom.subvendor) {
 449        case ICE1712_SUBDEVICE_DMX6FIRE:
 450                if ((err = snd_i2c_device_create(ice->i2c, "PCF9554", ICE1712_6FIRE_PCF9554_ADDR, &ice->spec.i2cdevs[EWS_I2C_6FIRE])) < 0) {
 451                        snd_printk(KERN_ERR "PCF9554 initialization failed\n");
 452                        return err;
 453                }
 454                snd_ice1712_6fire_write_pca(ice, PCF9554_REG_CONFIG, 0x80);
 455                break;
 456        case ICE1712_SUBDEVICE_EWS88MT:
 457        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 458        case ICE1712_SUBDEVICE_PHASE88:
 459                if ((err = snd_i2c_device_create(ice->i2c, "CS8404", ICE1712_EWS88MT_CS8404_ADDR, &ice->spec.i2cdevs[EWS_I2C_CS8404])) < 0)
 460                        return err;
 461                if ((err = snd_i2c_device_create(ice->i2c, "PCF8574 (1st)", ICE1712_EWS88MT_INPUT_ADDR, &ice->spec.i2cdevs[EWS_I2C_PCF1])) < 0)
 462                        return err;
 463                if ((err = snd_i2c_device_create(ice->i2c, "PCF8574 (2nd)", ICE1712_EWS88MT_OUTPUT_ADDR, &ice->spec.i2cdevs[EWS_I2C_PCF2])) < 0)
 464                        return err;
 465                /* Check if the front module is connected */
 466                if ((err = snd_ice1712_ews88mt_chip_select(ice, 0x0f)) < 0)
 467                        return err;
 468                break;
 469        case ICE1712_SUBDEVICE_EWS88D:
 470                if ((err = snd_i2c_device_create(ice->i2c, "PCF8575", ICE1712_EWS88D_PCF_ADDR, &ice->spec.i2cdevs[EWS_I2C_88D])) < 0)
 471                        return err;
 472                break;
 473        }
 474
 475        /* set up SPDIF interface */
 476        switch (ice->eeprom.subvendor) {
 477        case ICE1712_SUBDEVICE_EWX2496:
 478                if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
 479                        return err;
 480                snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
 481                break;
 482        case ICE1712_SUBDEVICE_DMX6FIRE:
 483                if ((err = snd_ice1712_init_cs8427(ice, ICE1712_6FIRE_CS8427_ADDR)) < 0)
 484                        return err;
 485                snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
 486                break;
 487        case ICE1712_SUBDEVICE_EWS88MT:
 488        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 489        case ICE1712_SUBDEVICE_PHASE88:
 490        case ICE1712_SUBDEVICE_EWS88D:
 491                /* set up CS8404 */
 492                ice->spdif.ops.open = ews88_open_spdif;
 493                ice->spdif.ops.setup_rate = ews88_setup_spdif;
 494                ice->spdif.ops.default_get = ews88_spdif_default_get;
 495                ice->spdif.ops.default_put = ews88_spdif_default_put;
 496                ice->spdif.ops.stream_get = ews88_spdif_stream_get;
 497                ice->spdif.ops.stream_put = ews88_spdif_stream_put;
 498                /* Set spdif defaults */
 499                snd_ice1712_ews_cs8404_spdif_write(ice, ice->spdif.cs8403_bits);
 500                break;
 501        }
 502
 503        /* no analog? */
 504        switch (ice->eeprom.subvendor) {
 505        case ICE1712_SUBDEVICE_EWS88D:
 506                return 0;
 507        }
 508
 509        /* analog section */
 510        ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 511        if (! ak)
 512                return -ENOMEM;
 513        ice->akm_codecs = 1;
 514
 515        switch (ice->eeprom.subvendor) {
 516        case ICE1712_SUBDEVICE_EWS88MT:
 517        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 518        case ICE1712_SUBDEVICE_PHASE88:
 519                err = snd_ice1712_akm4xxx_init(ak, &akm_ews88mt, &akm_ews88mt_priv, ice);
 520                break;
 521        case ICE1712_SUBDEVICE_EWX2496:
 522                err = snd_ice1712_akm4xxx_init(ak, &akm_ewx2496, &akm_ewx2496_priv, ice);
 523                break;
 524        case ICE1712_SUBDEVICE_DMX6FIRE:
 525                err = snd_ice1712_akm4xxx_init(ak, &akm_6fire, &akm_6fire_priv, ice);
 526                break;
 527        default:
 528                err = 0;
 529        }
 530
 531        return err;
 532}
 533
 534/*
 535 * EWX 24/96 specific controls
 536 */
 537
 538/* i/o sensitivity - this callback is shared among other devices, too */
 539static int snd_ice1712_ewx_io_sense_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo){
 540
 541        static char *texts[2] = {
 542                "+4dBu", "-10dBV",
 543        };
 544        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 545        uinfo->count = 1;
 546        uinfo->value.enumerated.items = 2;
 547        if (uinfo->value.enumerated.item >= 2)
 548                uinfo->value.enumerated.item = 1;
 549        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 550        return 0;
 551}
 552
 553static int snd_ice1712_ewx_io_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 554{
 555        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 556        unsigned char mask = kcontrol->private_value & 0xff;
 557        
 558        snd_ice1712_save_gpio_status(ice);
 559        ucontrol->value.enumerated.item[0] = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & mask ? 1 : 0;
 560        snd_ice1712_restore_gpio_status(ice);
 561        return 0;
 562}
 563
 564static int snd_ice1712_ewx_io_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 565{
 566        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 567        unsigned char mask = kcontrol->private_value & 0xff;
 568        int val, nval;
 569
 570        if (kcontrol->private_value & (1 << 31))
 571                return -EPERM;
 572        nval = ucontrol->value.enumerated.item[0] ? mask : 0;
 573        snd_ice1712_save_gpio_status(ice);
 574        val = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 575        nval |= val & ~mask;
 576        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, nval);
 577        snd_ice1712_restore_gpio_status(ice);
 578        return val != nval;
 579}
 580
 581static struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] __devinitdata = {
 582        {
 583                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 584                .name = "Input Sensitivity Switch",
 585                .info = snd_ice1712_ewx_io_sense_info,
 586                .get = snd_ice1712_ewx_io_sense_get,
 587                .put = snd_ice1712_ewx_io_sense_put,
 588                .private_value = ICE1712_EWX2496_AIN_SEL,
 589        },
 590        {
 591                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 592                .name = "Output Sensitivity Switch",
 593                .info = snd_ice1712_ewx_io_sense_info,
 594                .get = snd_ice1712_ewx_io_sense_get,
 595                .put = snd_ice1712_ewx_io_sense_put,
 596                .private_value = ICE1712_EWX2496_AOUT_SEL,
 597        },
 598};
 599
 600
 601/*
 602 * EWS88MT specific controls
 603 */
 604/* analog output sensitivity;; address 0x48 bit 6 */
 605static int snd_ice1712_ews88mt_output_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 606{
 607        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 608        unsigned char data;
 609
 610        snd_i2c_lock(ice->i2c);
 611        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
 612                snd_i2c_unlock(ice->i2c);
 613                return -EIO;
 614        }
 615        snd_i2c_unlock(ice->i2c);
 616        ucontrol->value.enumerated.item[0] = data & ICE1712_EWS88MT_OUTPUT_SENSE ? 1 : 0; /* high = -10dBV, low = +4dBu */
 617        return 0;
 618}
 619
 620/* analog output sensitivity;; address 0x48 bit 6 */
 621static int snd_ice1712_ews88mt_output_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 622{
 623        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 624        unsigned char data, ndata;
 625
 626        snd_i2c_lock(ice->i2c);
 627        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
 628                snd_i2c_unlock(ice->i2c);
 629                return -EIO;
 630        }
 631        ndata = (data & ~ICE1712_EWS88MT_OUTPUT_SENSE) | (ucontrol->value.enumerated.item[0] ? ICE1712_EWS88MT_OUTPUT_SENSE : 0);
 632        if (ndata != data && snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_PCF2], &ndata, 1) != 1) {
 633                snd_i2c_unlock(ice->i2c);
 634                return -EIO;
 635        }
 636        snd_i2c_unlock(ice->i2c);
 637        return ndata != data;
 638}
 639
 640/* analog input sensitivity; address 0x46 */
 641static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 642{
 643        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 644        int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 645        unsigned char data;
 646
 647        snd_assert(channel >= 0 && channel <= 7, return 0);
 648        snd_i2c_lock(ice->i2c);
 649        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
 650                snd_i2c_unlock(ice->i2c);
 651                return -EIO;
 652        }
 653        /* reversed; high = +4dBu, low = -10dBV */
 654        ucontrol->value.enumerated.item[0] = data & (1 << channel) ? 0 : 1;
 655        snd_i2c_unlock(ice->i2c);
 656        return 0;
 657}
 658
 659/* analog output sensitivity; address 0x46 */
 660static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 661{
 662        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 663        int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 664        unsigned char data, ndata;
 665
 666        snd_assert(channel >= 0 && channel <= 7, return 0);
 667        snd_i2c_lock(ice->i2c);
 668        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
 669                snd_i2c_unlock(ice->i2c);
 670                return -EIO;
 671        }
 672        ndata = (data & ~(1 << channel)) | (ucontrol->value.enumerated.item[0] ? 0 : (1 << channel));
 673        if (ndata != data && snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_PCF1], &ndata, 1) != 1) {
 674                snd_i2c_unlock(ice->i2c);
 675                return -EIO;
 676        }
 677        snd_i2c_unlock(ice->i2c);
 678        return ndata != data;
 679}
 680
 681static struct snd_kcontrol_new snd_ice1712_ews88mt_input_sense __devinitdata = {
 682        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 683        .name = "Input Sensitivity Switch",
 684        .info = snd_ice1712_ewx_io_sense_info,
 685        .get = snd_ice1712_ews88mt_input_sense_get,
 686        .put = snd_ice1712_ews88mt_input_sense_put,
 687        .count = 8,
 688};
 689
 690static struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense __devinitdata = {
 691        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 692        .name = "Output Sensitivity Switch",
 693        .info = snd_ice1712_ewx_io_sense_info,
 694        .get = snd_ice1712_ews88mt_output_sense_get,
 695        .put = snd_ice1712_ews88mt_output_sense_put,
 696};
 697
 698
 699/*
 700 * EWS88D specific controls
 701 */
 702
 703#define snd_ice1712_ews88d_control_info         snd_ctl_boolean_mono_info
 704
 705static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 706{
 707        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 708        int shift = kcontrol->private_value & 0xff;
 709        int invert = (kcontrol->private_value >> 8) & 1;
 710        unsigned char data[2];
 711        
 712        snd_i2c_lock(ice->i2c);
 713        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_88D], data, 2) != 2) {
 714                snd_i2c_unlock(ice->i2c);
 715                return -EIO;
 716        }
 717        snd_i2c_unlock(ice->i2c);
 718        data[0] = (data[shift >> 3] >> (shift & 7)) & 0x01;
 719        if (invert)
 720                data[0] ^= 0x01;
 721        ucontrol->value.integer.value[0] = data[0];
 722        return 0;
 723}
 724
 725static int snd_ice1712_ews88d_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 726{
 727        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 728        int shift = kcontrol->private_value & 0xff;
 729        int invert = (kcontrol->private_value >> 8) & 1;
 730        unsigned char data[2], ndata[2];
 731        int change;
 732
 733        snd_i2c_lock(ice->i2c);
 734        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_88D], data, 2) != 2) {
 735                snd_i2c_unlock(ice->i2c);
 736                return -EIO;
 737        }
 738        ndata[shift >> 3] = data[shift >> 3] & ~(1 << (shift & 7));
 739        if (invert) {
 740                if (! ucontrol->value.integer.value[0])
 741                        ndata[shift >> 3] |= (1 << (shift & 7));
 742        } else {
 743                if (ucontrol->value.integer.value[0])
 744                        ndata[shift >> 3] |= (1 << (shift & 7));
 745        }
 746        change = (data[shift >> 3] != ndata[shift >> 3]);
 747        if (change && snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_88D], data, 2) != 2) {
 748                snd_i2c_unlock(ice->i2c);
 749                return -EIO;
 750        }
 751        snd_i2c_unlock(ice->i2c);
 752        return change;
 753}
 754
 755#define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) \
 756{ .iface = xiface,\
 757  .name = xname,\
 758  .access = xaccess,\
 759  .info = snd_ice1712_ews88d_control_info,\
 760  .get = snd_ice1712_ews88d_control_get,\
 761  .put = snd_ice1712_ews88d_control_put,\
 762  .private_value = xshift | (xinvert << 8),\
 763}
 764
 765static struct snd_kcontrol_new snd_ice1712_ews88d_controls[] __devinitdata = {
 766        EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
 767        EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
 768        EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
 769        EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "Enable ADAT", 3, 0, 0),
 770        EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Through", 4, 1, 0),
 771};
 772
 773
 774/*
 775 * DMX 6Fire specific controls
 776 */
 777
 778static int snd_ice1712_6fire_read_pca(struct snd_ice1712 *ice, unsigned char reg)
 779{
 780        unsigned char byte;
 781        snd_i2c_lock(ice->i2c);
 782        byte = reg;
 783        snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_6FIRE], &byte, 1);
 784        byte = 0;
 785        if (snd_i2c_readbytes(ice->spec.i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
 786                snd_i2c_unlock(ice->i2c);
 787                printk(KERN_ERR "cannot read pca\n");
 788                return -EIO;
 789        }
 790        snd_i2c_unlock(ice->i2c);
 791        return byte;
 792}
 793
 794static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data)
 795{
 796        unsigned char bytes[2];
 797        snd_i2c_lock(ice->i2c);
 798        bytes[0] = reg;
 799        bytes[1] = data;
 800        if (snd_i2c_sendbytes(ice->spec.i2cdevs[EWS_I2C_6FIRE], bytes, 2) != 2) {
 801                snd_i2c_unlock(ice->i2c);
 802                return -EIO;
 803        }
 804        snd_i2c_unlock(ice->i2c);
 805        return 0;
 806}
 807
 808#define snd_ice1712_6fire_control_info          snd_ctl_boolean_mono_info
 809
 810static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 811{
 812        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 813        int shift = kcontrol->private_value & 0xff;
 814        int invert = (kcontrol->private_value >> 8) & 1;
 815        int data;
 816        
 817        if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 818                return data;
 819        data = (data >> shift) & 1;
 820        if (invert)
 821                data ^= 1;
 822        ucontrol->value.integer.value[0] = data;
 823        return 0;
 824}
 825
 826static int snd_ice1712_6fire_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 827{
 828        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 829        int shift = kcontrol->private_value & 0xff;
 830        int invert = (kcontrol->private_value >> 8) & 1;
 831        int data, ndata;
 832        
 833        if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 834                return data;
 835        ndata = data & ~(1 << shift);
 836        if (ucontrol->value.integer.value[0])
 837                ndata |= (1 << shift);
 838        if (invert)
 839                ndata ^= (1 << shift);
 840        if (data != ndata) {
 841                snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
 842                return 1;
 843        }
 844        return 0;
 845}
 846
 847static int snd_ice1712_6fire_select_input_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 848{
 849        static char *texts[4] = {
 850                "Internal", "Front Input", "Rear Input", "Wave Table"
 851        };
 852        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 853        uinfo->count = 1;
 854        uinfo->value.enumerated.items = 4;
 855        if (uinfo->value.enumerated.item >= 4)
 856                uinfo->value.enumerated.item = 1;
 857        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 858        return 0;
 859}
 860     
 861static int snd_ice1712_6fire_select_input_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 862{
 863        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 864        int data;
 865        
 866        if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 867                return data;
 868        ucontrol->value.integer.value[0] = data & 3;
 869        return 0;
 870}
 871
 872static int snd_ice1712_6fire_select_input_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 873{
 874        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 875        int data, ndata;
 876        
 877        if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
 878                return data;
 879        ndata = data & ~3;
 880        ndata |= (ucontrol->value.integer.value[0] & 3);
 881        if (data != ndata) {
 882                snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
 883                return 1;
 884        }
 885        return 0;
 886}
 887
 888
 889#define DMX6FIRE_CONTROL(xname, xshift, xinvert) \
 890{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 891  .name = xname,\
 892  .info = snd_ice1712_6fire_control_info,\
 893  .get = snd_ice1712_6fire_control_get,\
 894  .put = snd_ice1712_6fire_control_put,\
 895  .private_value = xshift | (xinvert << 8),\
 896}
 897
 898static struct snd_kcontrol_new snd_ice1712_6fire_controls[] __devinitdata = {
 899        {
 900                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 901                .name = "Analog Input Select",
 902                .info = snd_ice1712_6fire_select_input_info,
 903                .get = snd_ice1712_6fire_select_input_get,
 904                .put = snd_ice1712_6fire_select_input_put,
 905        },
 906        DMX6FIRE_CONTROL("Front Digital Input Switch", 2, 1),
 907        // DMX6FIRE_CONTROL("Master Clock Select", 3, 0),
 908        DMX6FIRE_CONTROL("Optical Digital Input Switch", 4, 0),
 909        DMX6FIRE_CONTROL("Phono Analog Input Switch", 5, 0),
 910        DMX6FIRE_CONTROL("Breakbox LED", 6, 0),
 911};
 912
 913
 914static int __devinit snd_ice1712_ews_add_controls(struct snd_ice1712 *ice)
 915{
 916        unsigned int idx;
 917        int err;
 918        
 919        /* all terratec cards have spdif, but cs8427 module builds it's own controls */
 920        if (ice->cs8427 == NULL) {
 921                err = snd_ice1712_spdif_build_controls(ice);
 922                if (err < 0)
 923                        return err;
 924        }
 925
 926        /* ak4524 controls */
 927        switch (ice->eeprom.subvendor) {
 928        case ICE1712_SUBDEVICE_EWX2496:
 929        case ICE1712_SUBDEVICE_EWS88MT:
 930        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 931        case ICE1712_SUBDEVICE_PHASE88:
 932        case ICE1712_SUBDEVICE_DMX6FIRE:
 933                err = snd_ice1712_akm4xxx_build_controls(ice);
 934                if (err < 0)
 935                        return err;
 936                break;
 937        }
 938
 939        /* card specific controls */
 940        switch (ice->eeprom.subvendor) {
 941        case ICE1712_SUBDEVICE_EWX2496:
 942                for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ewx2496_controls); idx++) {
 943                        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ewx2496_controls[idx], ice));
 944                        if (err < 0)
 945                                return err;
 946                }
 947                break;
 948        case ICE1712_SUBDEVICE_EWS88MT:
 949        case ICE1712_SUBDEVICE_EWS88MT_NEW:
 950        case ICE1712_SUBDEVICE_PHASE88:
 951                err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_input_sense, ice));
 952                if (err < 0)
 953                        return err;
 954                err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_output_sense, ice));
 955                if (err < 0)
 956                        return err;
 957                break;
 958        case ICE1712_SUBDEVICE_EWS88D:
 959                for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ews88d_controls); idx++) {
 960                        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88d_controls[idx], ice));
 961                        if (err < 0)
 962                                return err;
 963                }
 964                break;
 965        case ICE1712_SUBDEVICE_DMX6FIRE:
 966                for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_6fire_controls); idx++) {
 967                        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_6fire_controls[idx], ice));
 968                        if (err < 0)
 969                                return err;
 970                }
 971                break;
 972        }
 973        return 0;
 974}
 975
 976
 977/* entry point */
 978struct snd_ice1712_card_info snd_ice1712_ews_cards[] __devinitdata = {
 979        {
 980                .subvendor = ICE1712_SUBDEVICE_EWX2496,
 981                .name = "TerraTec EWX24/96",
 982                .model = "ewx2496",
 983                .chip_init = snd_ice1712_ews_init,
 984                .build_controls = snd_ice1712_ews_add_controls,
 985        },
 986        {
 987                .subvendor = ICE1712_SUBDEVICE_EWS88MT,
 988                .name = "TerraTec EWS88MT",
 989                .model = "ews88mt",
 990                .chip_init = snd_ice1712_ews_init,
 991                .build_controls = snd_ice1712_ews_add_controls,
 992        },
 993        {
 994                .subvendor = ICE1712_SUBDEVICE_EWS88MT_NEW,
 995                .name = "TerraTec EWS88MT",
 996                .model = "ews88mt_new",
 997                .chip_init = snd_ice1712_ews_init,
 998                .build_controls = snd_ice1712_ews_add_controls,
 999        },
1000        {
1001                .subvendor = ICE1712_SUBDEVICE_PHASE88,
1002                .name = "TerraTec Phase88",
1003                .model = "phase88",
1004                .chip_init = snd_ice1712_ews_init,
1005                .build_controls = snd_ice1712_ews_add_controls,
1006        },
1007        {
1008                .subvendor = ICE1712_SUBDEVICE_EWS88D,
1009                .name = "TerraTec EWS88D",
1010                .model = "ews88d",
1011                .chip_init = snd_ice1712_ews_init,
1012                .build_controls = snd_ice1712_ews_add_controls,
1013        },
1014        {
1015                .subvendor = ICE1712_SUBDEVICE_DMX6FIRE,
1016                .name = "TerraTec DMX6Fire",
1017                .model = "dmx6fire",
1018                .chip_init = snd_ice1712_ews_init,
1019                .build_controls = snd_ice1712_ews_add_controls,
1020                .mpu401_1_name = "MIDI-Front DMX6fire",
1021                .mpu401_2_name = "Wavetable DMX6fire",
1022                .mpu401_2_info_flags = MPU401_INFO_OUTPUT,
1023        },
1024        { } /* terminator */
1025};
1026