git.oblomov.eu Git - linux-2.6/blob - sound/pci/rme96.c

   1 /*
   2  *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
   3  *   interfaces
   4  *
   5  *      Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
   6  *
   7  *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
   8  *      code.
   9  *
  10  *   This program is free software; you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License as published by
  12  *   the Free Software Foundation; either version 2 of the License, or
  13  *   (at your option) any later version.
  14  *
  15  *   This program is distributed in the hope that it will be useful,
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *   GNU General Public License for more details.
  19  *
  20  *   You should have received a copy of the GNU General Public License
  21  *   along with this program; if not, write to the Free Software
  22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  *
  24  */
  25
  26 #include <sound/driver.h>
  27 #include <linux/delay.h>
  28 #include <linux/init.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/pci.h>
  31 #include <linux/slab.h>
  32 #include <linux/moduleparam.h>
  33
  34 #include <sound/core.h>
  35 #include <sound/info.h>
  36 #include <sound/control.h>
  37 #include <sound/pcm.h>
  38 #include <sound/pcm_params.h>
  39 #include <sound/asoundef.h>
  40 #include <sound/initval.h>
  41
  42 #include <asm/io.h>
  43
  44 /* note, two last pcis should be equal, it is not a bug */
  45
  46 MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
  47 MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
  48                    "Digi96/8 PAD");
  49 MODULE_LICENSE("GPL");
  50 MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
  51                 "{RME,Digi96/8},"
  52                 "{RME,Digi96/8 PRO},"
  53                 "{RME,Digi96/8 PST},"
  54                 "{RME,Digi96/8 PAD}}");
  55
  56 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  57 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  58 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  59
  60 module_param_array(index, int, NULL, 0444);
  61 MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
  62 module_param_array(id, charp, NULL, 0444);
  63 MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
  64 module_param_array(enable, bool, NULL, 0444);
  65 MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
  66
  67 /*
  68  * Defines for RME Digi96 series, from internal RME reference documents
  69  * dated 12.01.00
  70  */
  71
  72 #define RME96_SPDIF_NCHANNELS 2
  73
  74 /* Playback and capture buffer size */
  75 #define RME96_BUFFER_SIZE 0x10000
  76
  77 /* IO area size */
  78 #define RME96_IO_SIZE 0x60000
  79
  80 /* IO area offsets */
  81 #define RME96_IO_PLAY_BUFFER      0x0
  82 #define RME96_IO_REC_BUFFER       0x10000
  83 #define RME96_IO_CONTROL_REGISTER 0x20000
  84 #define RME96_IO_ADDITIONAL_REG   0x20004
  85 #define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
  86 #define RME96_IO_CONFIRM_REC_IRQ  0x2000C
  87 #define RME96_IO_SET_PLAY_POS     0x40000
  88 #define RME96_IO_RESET_PLAY_POS   0x4FFFC
  89 #define RME96_IO_SET_REC_POS      0x50000
  90 #define RME96_IO_RESET_REC_POS    0x5FFFC
  91 #define RME96_IO_GET_PLAY_POS     0x20000
  92 #define RME96_IO_GET_REC_POS      0x30000
  93
  94 /* Write control register bits */
  95 #define RME96_WCR_START     (1 << 0)
  96 #define RME96_WCR_START_2   (1 << 1)
  97 #define RME96_WCR_GAIN_0    (1 << 2)
  98 #define RME96_WCR_GAIN_1    (1 << 3)
  99 #define RME96_WCR_MODE24    (1 << 4)
 100 #define RME96_WCR_MODE24_2  (1 << 5)
 101 #define RME96_WCR_BM        (1 << 6)
 102 #define RME96_WCR_BM_2      (1 << 7)
 103 #define RME96_WCR_ADAT      (1 << 8)
 104 #define RME96_WCR_FREQ_0    (1 << 9)
 105 #define RME96_WCR_FREQ_1    (1 << 10)
 106 #define RME96_WCR_DS        (1 << 11)
 107 #define RME96_WCR_PRO       (1 << 12)
 108 #define RME96_WCR_EMP       (1 << 13)
 109 #define RME96_WCR_SEL       (1 << 14)
 110 #define RME96_WCR_MASTER    (1 << 15)
 111 #define RME96_WCR_PD        (1 << 16)
 112 #define RME96_WCR_INP_0     (1 << 17)
 113 #define RME96_WCR_INP_1     (1 << 18)
 114 #define RME96_WCR_THRU_0    (1 << 19)
 115 #define RME96_WCR_THRU_1    (1 << 20)
 116 #define RME96_WCR_THRU_2    (1 << 21)
 117 #define RME96_WCR_THRU_3    (1 << 22)
 118 #define RME96_WCR_THRU_4    (1 << 23)
 119 #define RME96_WCR_THRU_5    (1 << 24)
 120 #define RME96_WCR_THRU_6    (1 << 25)
 121 #define RME96_WCR_THRU_7    (1 << 26)
 122 #define RME96_WCR_DOLBY     (1 << 27)
 123 #define RME96_WCR_MONITOR_0 (1 << 28)
 124 #define RME96_WCR_MONITOR_1 (1 << 29)
 125 #define RME96_WCR_ISEL      (1 << 30)
 126 #define RME96_WCR_IDIS      (1 << 31)
 127
 128 #define RME96_WCR_BITPOS_GAIN_0 2
 129 #define RME96_WCR_BITPOS_GAIN_1 3
 130 #define RME96_WCR_BITPOS_FREQ_0 9
 131 #define RME96_WCR_BITPOS_FREQ_1 10
 132 #define RME96_WCR_BITPOS_INP_0 17
 133 #define RME96_WCR_BITPOS_INP_1 18
 134 #define RME96_WCR_BITPOS_MONITOR_0 28
 135 #define RME96_WCR_BITPOS_MONITOR_1 29
 136
 137 /* Read control register bits */
 138 #define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
 139 #define RME96_RCR_IRQ_2     (1 << 16)
 140 #define RME96_RCR_T_OUT     (1 << 17)
 141 #define RME96_RCR_DEV_ID_0  (1 << 21)
 142 #define RME96_RCR_DEV_ID_1  (1 << 22)
 143 #define RME96_RCR_LOCK      (1 << 23)
 144 #define RME96_RCR_VERF      (1 << 26)
 145 #define RME96_RCR_F0        (1 << 27)
 146 #define RME96_RCR_F1        (1 << 28)
 147 #define RME96_RCR_F2        (1 << 29)
 148 #define RME96_RCR_AUTOSYNC  (1 << 30)
 149 #define RME96_RCR_IRQ       (1 << 31)
 150
 151 #define RME96_RCR_BITPOS_F0 27
 152 #define RME96_RCR_BITPOS_F1 28
 153 #define RME96_RCR_BITPOS_F2 29
 154
 155 /* Additonal register bits */
 156 #define RME96_AR_WSEL       (1 << 0)
 157 #define RME96_AR_ANALOG     (1 << 1)
 158 #define RME96_AR_FREQPAD_0  (1 << 2)
 159 #define RME96_AR_FREQPAD_1  (1 << 3)
 160 #define RME96_AR_FREQPAD_2  (1 << 4)
 161 #define RME96_AR_PD2        (1 << 5)
 162 #define RME96_AR_DAC_EN     (1 << 6)
 163 #define RME96_AR_CLATCH     (1 << 7)
 164 #define RME96_AR_CCLK       (1 << 8)
 165 #define RME96_AR_CDATA      (1 << 9)
 166
 167 #define RME96_AR_BITPOS_F0 2
 168 #define RME96_AR_BITPOS_F1 3
 169 #define RME96_AR_BITPOS_F2 4
 170
 171 /* Monitor tracks */
 172 #define RME96_MONITOR_TRACKS_1_2 0
 173 #define RME96_MONITOR_TRACKS_3_4 1
 174 #define RME96_MONITOR_TRACKS_5_6 2
 175 #define RME96_MONITOR_TRACKS_7_8 3
 176
 177 /* Attenuation */
 178 #define RME96_ATTENUATION_0 0
 179 #define RME96_ATTENUATION_6 1
 180 #define RME96_ATTENUATION_12 2
 181 #define RME96_ATTENUATION_18 3
 182
 183 /* Input types */
 184 #define RME96_INPUT_OPTICAL 0
 185 #define RME96_INPUT_COAXIAL 1
 186 #define RME96_INPUT_INTERNAL 2
 187 #define RME96_INPUT_XLR 3
 188 #define RME96_INPUT_ANALOG 4
 189
 190 /* Clock modes */
 191 #define RME96_CLOCKMODE_SLAVE 0
 192 #define RME96_CLOCKMODE_MASTER 1
 193 #define RME96_CLOCKMODE_WORDCLOCK 2
 194
 195 /* Block sizes in bytes */
 196 #define RME96_SMALL_BLOCK_SIZE 2048
 197 #define RME96_LARGE_BLOCK_SIZE 8192
 198
 199 /* Volume control */
 200 #define RME96_AD1852_VOL_BITS 14
 201 #define RME96_AD1855_VOL_BITS 10
 202
 203 /*
 204  * PCI vendor/device ids, could in the future be defined in <linux/pci.h>,
 205  * therefore #ifndef is used.
 206  */
 207 #ifndef PCI_VENDOR_ID_XILINX
 208 #define PCI_VENDOR_ID_XILINX 0x10ee
 209 #endif
 210 #ifndef PCI_DEVICE_ID_DIGI96
 211 #define PCI_DEVICE_ID_DIGI96 0x3fc0
 212 #endif
 213 #ifndef PCI_DEVICE_ID_DIGI96_8
 214 #define PCI_DEVICE_ID_DIGI96_8 0x3fc1
 215 #endif
 216 #ifndef PCI_DEVICE_ID_DIGI96_8_PRO
 217 #define PCI_DEVICE_ID_DIGI96_8_PRO 0x3fc2
 218 #endif
 219 #ifndef PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST
 220 #define PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST 0x3fc3
 221 #endif
 222
 223 typedef struct snd_rme96 {
 224         spinlock_t    lock;
 225         int irq;
 226         unsigned long port;
 227         void __iomem *iobase;
 228
 229         u32 wcreg;    /* cached write control register value */
 230         u32 wcreg_spdif;                /* S/PDIF setup */
 231         u32 wcreg_spdif_stream;         /* S/PDIF setup (temporary) */
 232         u32 rcreg;    /* cached read control register value */
 233         u32 areg;     /* cached additional register value */
 234         u16 vol[2]; /* cached volume of analog output */
 235
 236         u8 rev; /* card revision number */
 237
 238         snd_pcm_substream_t *playback_substream;
 239         snd_pcm_substream_t *capture_substream;
 240
 241         int playback_frlog; /* log2 of framesize */
 242         int capture_frlog;
 243
 244         size_t playback_periodsize; /* in bytes, zero if not used */
 245         size_t capture_periodsize; /* in bytes, zero if not used */
 246
 247         snd_card_t         *card;
 248         snd_pcm_t          *spdif_pcm;
 249         snd_pcm_t          *adat_pcm;
 250         struct pci_dev     *pci;
 251         snd_kcontrol_t     *spdif_ctl;
 252 } rme96_t;
 253
 254 static struct pci_device_id snd_rme96_ids[] = {
 255         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_DIGI96,
 256           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 257         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_DIGI96_8,
 258           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 259         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_DIGI96_8_PRO,
 260           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 261         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST,
 262           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 263         { 0, }
 264 };
 265
 266 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
 267
 268 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
 269 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
 270 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST)
 271 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_DIGI96_8_PRO || \
 272                                      (rme96)->pci->device == PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST)
 273 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
 274 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
 275                                   ((rme96)->pci->device == PCI_DEVICE_ID_DIGI96_8_PRO && (rme96)->rev == 2))
 276 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
 277
 278 static int
 279 snd_rme96_playback_prepare(snd_pcm_substream_t *substream);
 280
 281 static int
 282 snd_rme96_capture_prepare(snd_pcm_substream_t *substream);
 283
 284 static int
 285 snd_rme96_playback_trigger(snd_pcm_substream_t *substream,
 286                            int cmd);
 287
 288 static int
 289 snd_rme96_capture_trigger(snd_pcm_substream_t *substream,
 290                           int cmd);
 291
 292 static snd_pcm_uframes_t
 293 snd_rme96_playback_pointer(snd_pcm_substream_t *substream);
 294
 295 static snd_pcm_uframes_t
 296 snd_rme96_capture_pointer(snd_pcm_substream_t *substream);
 297
 298 static void __devinit
 299 snd_rme96_proc_init(rme96_t *rme96);
 300
 301 static int
 302 snd_rme96_create_switches(snd_card_t *card,
 303                           rme96_t *rme96);
 304
 305 static int
 306 snd_rme96_getinputtype(rme96_t *rme96);
 307
 308 static inline unsigned int
 309 snd_rme96_playback_ptr(rme96_t *rme96)
 310 {
 311         return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
 312                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
 313 }
 314
 315 static inline unsigned int
 316 snd_rme96_capture_ptr(rme96_t *rme96)
 317 {
 318         return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
 319                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
 320 }
 321
 322 static int
 323 snd_rme96_ratecode(int rate)
 324 {
 325     switch (rate) {
 326     case 32000: return SNDRV_PCM_RATE_32000;
 327     case 44100: return SNDRV_PCM_RATE_44100;
 328     case 48000: return SNDRV_PCM_RATE_48000;
 329     case 64000: return SNDRV_PCM_RATE_64000;
 330     case 88200: return SNDRV_PCM_RATE_88200;
 331     case 96000: return SNDRV_PCM_RATE_96000;
 332     }
 333     return 0;
 334 }
 335
 336 static int
 337 snd_rme96_playback_silence(snd_pcm_substream_t *substream,
 338                            int channel, /* not used (interleaved data) */
 339                            snd_pcm_uframes_t pos,
 340                            snd_pcm_uframes_t count)
 341 {
 342         rme96_t *rme96 = snd_pcm_substream_chip(substream);
 343         count <<= rme96->playback_frlog;
 344         pos <<= rme96->playback_frlog;
 345         memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 346                   0, count);
 347         return 0;
 348 }
 349
 350 static int
 351 snd_rme96_playback_copy(snd_pcm_substream_t *substream,
 352                         int channel, /* not used (interleaved data) */
 353                         snd_pcm_uframes_t pos,
 354                         void __user *src,
 355                         snd_pcm_uframes_t count)
 356 {
 357         rme96_t *rme96 = snd_pcm_substream_chip(substream);
 358         count <<= rme96->playback_frlog;
 359         pos <<= rme96->playback_frlog;
 360         copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
 361                             count);
 362         return 0;
 363 }
 364
 365 static int
 366 snd_rme96_capture_copy(snd_pcm_substream_t *substream,
 367                        int channel, /* not used (interleaved data) */
 368                        snd_pcm_uframes_t pos,
 369                        void __user *dst,
 370                        snd_pcm_uframes_t count)
 371 {
 372         rme96_t *rme96 = snd_pcm_substream_chip(substream);
 373         count <<= rme96->capture_frlog;
 374         pos <<= rme96->capture_frlog;
 375         copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
 376                             count);
 377         return 0;
 378 }
 379
 380 /*
 381  * Digital output capabilites (S/PDIF)
 382  */
 383 static snd_pcm_hardware_t snd_rme96_playback_spdif_info =
 384 {
 385         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 386                               SNDRV_PCM_INFO_MMAP_VALID |
 387                               SNDRV_PCM_INFO_INTERLEAVED |
 388                               SNDRV_PCM_INFO_PAUSE),
 389         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 390                               SNDRV_PCM_FMTBIT_S32_LE),
 391         .rates =             (SNDRV_PCM_RATE_32000 |
 392                               SNDRV_PCM_RATE_44100 |
 393                               SNDRV_PCM_RATE_48000 |
 394                               SNDRV_PCM_RATE_64000 |
 395                               SNDRV_PCM_RATE_88200 |
 396                               SNDRV_PCM_RATE_96000),
 397         .rate_min =          32000,
 398         .rate_max =          96000,
 399         .channels_min =      2,
 400         .channels_max =      2,
 401         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 402         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 403         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 404         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 405         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 406         .fifo_size =         0,
 407 };
 408
 409 /*
 410  * Digital input capabilites (S/PDIF)
 411  */
 412 static snd_pcm_hardware_t snd_rme96_capture_spdif_info =
 413 {
 414         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 415                               SNDRV_PCM_INFO_MMAP_VALID |
 416                               SNDRV_PCM_INFO_INTERLEAVED |
 417                               SNDRV_PCM_INFO_PAUSE),
 418         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 419                               SNDRV_PCM_FMTBIT_S32_LE),
 420         .rates =             (SNDRV_PCM_RATE_32000 |
 421                               SNDRV_PCM_RATE_44100 |
 422                               SNDRV_PCM_RATE_48000 |
 423                               SNDRV_PCM_RATE_64000 |
 424                               SNDRV_PCM_RATE_88200 |
 425                               SNDRV_PCM_RATE_96000),
 426         .rate_min =          32000,
 427         .rate_max =          96000,
 428         .channels_min =      2,
 429         .channels_max =      2,
 430         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 431         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 432         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 433         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 434         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 435         .fifo_size =         0,
 436 };
 437
 438 /*
 439  * Digital output capabilites (ADAT)
 440  */
 441 static snd_pcm_hardware_t snd_rme96_playback_adat_info =
 442 {
 443         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 444                               SNDRV_PCM_INFO_MMAP_VALID |
 445                               SNDRV_PCM_INFO_INTERLEAVED |
 446                               SNDRV_PCM_INFO_PAUSE),
 447         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 448                               SNDRV_PCM_FMTBIT_S32_LE),
 449         .rates =             (SNDRV_PCM_RATE_44100 |
 450                               SNDRV_PCM_RATE_48000),
 451         .rate_min =          44100,
 452         .rate_max =          48000,
 453         .channels_min =      8,
 454         .channels_max =      8,
 455         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 456         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 457         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 458         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 459         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 460         .fifo_size =         0,
 461 };
 462
 463 /*
 464  * Digital input capabilites (ADAT)
 465  */
 466 static snd_pcm_hardware_t snd_rme96_capture_adat_info =
 467 {
 468         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 469                               SNDRV_PCM_INFO_MMAP_VALID |
 470                               SNDRV_PCM_INFO_INTERLEAVED |
 471                               SNDRV_PCM_INFO_PAUSE),
 472         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 473                               SNDRV_PCM_FMTBIT_S32_LE),
 474         .rates =             (SNDRV_PCM_RATE_44100 |
 475                               SNDRV_PCM_RATE_48000),
 476         .rate_min =          44100,
 477         .rate_max =          48000,
 478         .channels_min =      8,
 479         .channels_max =      8,
 480         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 481         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 482         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 483         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 484         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 485         .fifo_size =         0,
 486 };
 487
 488 /*
 489  * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 490  * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 491  * on the falling edge of CCLK and be stable on the rising edge.  The rising
 492  * edge of CLATCH after the last data bit clocks in the whole data word.
 493  * A fast processor could probably drive the SPI interface faster than the
 494  * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 495  * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 496  *
 497  * NOTE: increased delay from 1 to 10, since there where problems setting
 498  * the volume.
 499  */
 500 static void
 501 snd_rme96_write_SPI(rme96_t *rme96, u16 val)
 502 {
 503         int i;
 504
 505         for (i = 0; i < 16; i++) {
 506                 if (val & 0x8000) {
 507                         rme96->areg |= RME96_AR_CDATA;
 508                 } else {
 509                         rme96->areg &= ~RME96_AR_CDATA;
 510                 }
 511                 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 512                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 513                 udelay(10);
 514                 rme96->areg |= RME96_AR_CCLK;
 515                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 516                 udelay(10);
 517                 val <<= 1;
 518         }
 519         rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 520         rme96->areg |= RME96_AR_CLATCH;
 521         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 522         udelay(10);
 523         rme96->areg &= ~RME96_AR_CLATCH;
 524         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 525 }
 526
 527 static void
 528 snd_rme96_apply_dac_volume(rme96_t *rme96)
 529 {
 530         if (RME96_DAC_IS_1852(rme96)) {
 531                 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 532                 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 533         } else if (RME96_DAC_IS_1855(rme96)) {
 534                 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 535                 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 536         }
 537 }
 538
 539 static void
 540 snd_rme96_reset_dac(rme96_t *rme96)
 541 {
 542         writel(rme96->wcreg | RME96_WCR_PD,
 543                rme96->iobase + RME96_IO_CONTROL_REGISTER);
 544         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 545 }
 546
 547 static int
 548 snd_rme96_getmontracks(rme96_t *rme96)
 549 {
 550         return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 551                 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 552 }
 553
 554 static int
 555 snd_rme96_setmontracks(rme96_t *rme96,
 556                        int montracks)
 557 {
 558         if (montracks & 1) {
 559                 rme96->wcreg |= RME96_WCR_MONITOR_0;
 560         } else {
 561                 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 562         }
 563         if (montracks & 2) {
 564                 rme96->wcreg |= RME96_WCR_MONITOR_1;
 565         } else {
 566                 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 567         }
 568         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 569         return 0;
 570 }
 571
 572 static int
 573 snd_rme96_getattenuation(rme96_t *rme96)
 574 {
 575         return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 576                 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 577 }
 578
 579 static int
 580 snd_rme96_setattenuation(rme96_t *rme96,
 581                          int attenuation)
 582 {
 583         switch (attenuation) {
 584         case 0:
 585                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 586                         ~RME96_WCR_GAIN_1;
 587                 break;
 588         case 1:
 589                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 590                         ~RME96_WCR_GAIN_1;
 591                 break;
 592         case 2:
 593                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 594                         RME96_WCR_GAIN_1;
 595                 break;
 596         case 3:
 597                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 598                         RME96_WCR_GAIN_1;
 599                 break;
 600         default:
 601                 return -EINVAL;
 602         }
 603         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 604         return 0;
 605 }
 606
 607 static int
 608 snd_rme96_capture_getrate(rme96_t *rme96,
 609                           int *is_adat)
 610 {
 611         int n, rate;
 612
 613         *is_adat = 0;
 614         if (rme96->areg & RME96_AR_ANALOG) {
 615                 /* Analog input, overrides S/PDIF setting */
 616                 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 617                         (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 618                 switch (n) {
 619                 case 1:
 620                         rate = 32000;
 621                         break;
 622                 case 2:
 623                         rate = 44100;
 624                         break;
 625                 case 3:
 626                         rate = 48000;
 627                         break;
 628                 default:
 629                         return -1;
 630                 }
 631                 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 632         }
 633
 634         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 635         if (rme96->rcreg & RME96_RCR_LOCK) {
 636                 /* ADAT rate */
 637                 *is_adat = 1;
 638                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 639                         return 48000;
 640                 }
 641                 return 44100;
 642         }
 643
 644         if (rme96->rcreg & RME96_RCR_VERF) {
 645                 return -1;
 646         }
 647
 648         /* S/PDIF rate */
 649         n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 650                 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 651                 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 652
 653         switch (n) {
 654         case 0:
 655                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 656                         return 64000;
 657                 }
 658                 return -1;
 659         case 3: return 96000;
 660         case 4: return 88200;
 661         case 5: return 48000;
 662         case 6: return 44100;
 663         case 7: return 32000;
 664         default:
 665                 break;
 666         }
 667         return -1;
 668 }
 669
 670 static int
 671 snd_rme96_playback_getrate(rme96_t *rme96)
 672 {
 673         int rate, dummy;
 674
 675         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 676             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 677             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 678         {
 679                 /* slave clock */
 680                 return rate;
 681         }
 682         rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 683                 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 684         switch (rate) {
 685         case 1:
 686                 rate = 32000;
 687                 break;
 688         case 2:
 689                 rate = 44100;
 690                 break;
 691         case 3:
 692                 rate = 48000;
 693                 break;
 694         default:
 695                 return -1;
 696         }
 697         return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 698 }
 699
 700 static int
 701 snd_rme96_playback_setrate(rme96_t *rme96,
 702                            int rate)
 703 {
 704         int ds;
 705
 706         ds = rme96->wcreg & RME96_WCR_DS;
 707         switch (rate) {
 708         case 32000:
 709                 rme96->wcreg &= ~RME96_WCR_DS;
 710                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 711                         ~RME96_WCR_FREQ_1;
 712                 break;
 713         case 44100:
 714                 rme96->wcreg &= ~RME96_WCR_DS;
 715                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 716                         ~RME96_WCR_FREQ_0;
 717                 break;
 718         case 48000:
 719                 rme96->wcreg &= ~RME96_WCR_DS;
 720                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 721                         RME96_WCR_FREQ_1;
 722                 break;
 723         case 64000:
 724                 rme96->wcreg |= RME96_WCR_DS;
 725                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 726                         ~RME96_WCR_FREQ_1;
 727                 break;
 728         case 88200:
 729                 rme96->wcreg |= RME96_WCR_DS;
 730                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 731                         ~RME96_WCR_FREQ_0;
 732                 break;
 733         case 96000:
 734                 rme96->wcreg |= RME96_WCR_DS;
 735                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 736                         RME96_WCR_FREQ_1;
 737                 break;
 738         default:
 739                 return -EINVAL;
 740         }
 741         if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 742             (ds && !(rme96->wcreg & RME96_WCR_DS)))
 743         {
 744                 /* change to/from double-speed: reset the DAC (if available) */
 745                 snd_rme96_reset_dac(rme96);
 746         } else {
 747                 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 748         }
 749         return 0;
 750 }
 751
 752 static int
 753 snd_rme96_capture_analog_setrate(rme96_t *rme96,
 754                                  int rate)
 755 {
 756         switch (rate) {
 757         case 32000:
 758                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 759                                ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 760                 break;
 761         case 44100:
 762                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 763                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 764                 break;
 765         case 48000:
 766                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 767                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 768                 break;
 769         case 64000:
 770                 if (rme96->rev < 4) {
 771                         return -EINVAL;
 772                 }
 773                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 774                                ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 775                 break;
 776         case 88200:
 777                 if (rme96->rev < 4) {
 778                         return -EINVAL;
 779                 }
 780                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 781                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 782                 break;
 783         case 96000:
 784                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 785                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 786                 break;
 787         default:
 788                 return -EINVAL;
 789         }
 790         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 791         return 0;
 792 }
 793
 794 static int
 795 snd_rme96_setclockmode(rme96_t *rme96,
 796                        int mode)
 797 {
 798         switch (mode) {
 799         case RME96_CLOCKMODE_SLAVE:
 800                 /* AutoSync */
 801                 rme96->wcreg &= ~RME96_WCR_MASTER;
 802                 rme96->areg &= ~RME96_AR_WSEL;
 803                 break;
 804         case RME96_CLOCKMODE_MASTER:
 805                 /* Internal */
 806                 rme96->wcreg |= RME96_WCR_MASTER;
 807                 rme96->areg &= ~RME96_AR_WSEL;
 808                 break;
 809         case RME96_CLOCKMODE_WORDCLOCK:
 810                 /* Word clock is a master mode */
 811                 rme96->wcreg |= RME96_WCR_MASTER;
 812                 rme96->areg |= RME96_AR_WSEL;
 813                 break;
 814         default:
 815                 return -EINVAL;
 816         }
 817         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 818         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 819         return 0;
 820 }
 821
 822 static int
 823 snd_rme96_getclockmode(rme96_t *rme96)
 824 {
 825         if (rme96->areg & RME96_AR_WSEL) {
 826                 return RME96_CLOCKMODE_WORDCLOCK;
 827         }
 828         return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 829                 RME96_CLOCKMODE_SLAVE;
 830 }
 831
 832 static int
 833 snd_rme96_setinputtype(rme96_t *rme96,
 834                        int type)
 835 {
 836         int n;
 837
 838         switch (type) {
 839         case RME96_INPUT_OPTICAL:
 840                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 841                         ~RME96_WCR_INP_1;
 842                 break;
 843         case RME96_INPUT_COAXIAL:
 844                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 845                         ~RME96_WCR_INP_1;
 846                 break;
 847         case RME96_INPUT_INTERNAL:
 848                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 849                         RME96_WCR_INP_1;
 850                 break;
 851         case RME96_INPUT_XLR:
 852                 if ((rme96->pci->device != PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST &&
 853                      rme96->pci->device != PCI_DEVICE_ID_DIGI96_8_PRO) ||
 854                     (rme96->pci->device == PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST &&
 855                      rme96->rev > 4))
 856                 {
 857                         /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 858                         return -EINVAL;
 859                 }
 860                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 861                         RME96_WCR_INP_1;
 862                 break;
 863         case RME96_INPUT_ANALOG:
 864                 if (!RME96_HAS_ANALOG_IN(rme96)) {
 865                         return -EINVAL;
 866                 }
 867                 rme96->areg |= RME96_AR_ANALOG;
 868                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 869                 if (rme96->rev < 4) {
 870                         /*
 871                          * Revision less than 004 does not support 64 and
 872                          * 88.2 kHz
 873                          */
 874                         if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 875                                 snd_rme96_capture_analog_setrate(rme96, 44100);
 876                         }
 877                         if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 878                                 snd_rme96_capture_analog_setrate(rme96, 32000);
 879                         }
 880                 }
 881                 return 0;
 882         default:
 883                 return -EINVAL;
 884         }
 885         if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 886                 rme96->areg &= ~RME96_AR_ANALOG;
 887                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 888         }
 889         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 890         return 0;
 891 }
 892
 893 static int
 894 snd_rme96_getinputtype(rme96_t *rme96)
 895 {
 896         if (rme96->areg & RME96_AR_ANALOG) {
 897                 return RME96_INPUT_ANALOG;
 898         }
 899         return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 900                 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 901 }
 902
 903 static void
 904 snd_rme96_setframelog(rme96_t *rme96,
 905                       int n_channels,
 906                       int is_playback)
 907 {
 908         int frlog;
 909
 910         if (n_channels == 2) {
 911                 frlog = 1;
 912         } else {
 913                 /* assume 8 channels */
 914                 frlog = 3;
 915         }
 916         if (is_playback) {
 917                 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 918                 rme96->playback_frlog = frlog;
 919         } else {
 920                 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 921                 rme96->capture_frlog = frlog;
 922         }
 923 }
 924
 925 static int
 926 snd_rme96_playback_setformat(rme96_t *rme96,
 927                              int format)
 928 {
 929         switch (format) {
 930         case SNDRV_PCM_FORMAT_S16_LE:
 931                 rme96->wcreg &= ~RME96_WCR_MODE24;
 932                 break;
 933         case SNDRV_PCM_FORMAT_S32_LE:
 934                 rme96->wcreg |= RME96_WCR_MODE24;
 935                 break;
 936         default:
 937                 return -EINVAL;
 938         }
 939         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 940         return 0;
 941 }
 942
 943 static int
 944 snd_rme96_capture_setformat(rme96_t *rme96,
 945                             int format)
 946 {
 947         switch (format) {
 948         case SNDRV_PCM_FORMAT_S16_LE:
 949                 rme96->wcreg &= ~RME96_WCR_MODE24_2;
 950                 break;
 951         case SNDRV_PCM_FORMAT_S32_LE:
 952                 rme96->wcreg |= RME96_WCR_MODE24_2;
 953                 break;
 954         default:
 955                 return -EINVAL;
 956         }
 957         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 958         return 0;
 959 }
 960
 961 static void
 962 snd_rme96_set_period_properties(rme96_t *rme96,
 963                                 size_t period_bytes)
 964 {
 965         switch (period_bytes) {
 966         case RME96_LARGE_BLOCK_SIZE:
 967                 rme96->wcreg &= ~RME96_WCR_ISEL;
 968                 break;
 969         case RME96_SMALL_BLOCK_SIZE:
 970                 rme96->wcreg |= RME96_WCR_ISEL;
 971                 break;
 972         default:
 973                 snd_BUG();
 974                 break;
 975         }
 976         rme96->wcreg &= ~RME96_WCR_IDIS;
 977         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 978 }
 979
 980 static int
 981 snd_rme96_playback_hw_params(snd_pcm_substream_t *substream,
 982                              snd_pcm_hw_params_t *params)
 983 {
 984         rme96_t *rme96 = snd_pcm_substream_chip(substream);
 985         snd_pcm_runtime_t *runtime = substream->runtime;
 986         int err, rate, dummy;
 987
 988         runtime->dma_area = (void *)(rme96->iobase + RME96_IO_PLAY_BUFFER);
 989         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 990         runtime->dma_bytes = RME96_BUFFER_SIZE;
 991
 992         spin_lock_irq(&rme96->lock);
 993         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 994             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 995             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 996         {
 997                 /* slave clock */
 998                 if ((int)params_rate(params) != rate) {
 999                         spin_unlock_irq(&rme96->lock);
1000                         return -EIO;
1001                 }
1002         } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
1003                 spin_unlock_irq(&rme96->lock);
1004                 return err;
1005         }
1006         if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
1007                 spin_unlock_irq(&rme96->lock);
1008                 return err;
1009         }
1010         snd_rme96_setframelog(rme96, params_channels(params), 1);
1011         if (rme96->capture_periodsize != 0) {
1012                 if (params_period_size(params) << rme96->playback_frlog !=
1013                     rme96->capture_periodsize)
1014                 {
1015                         spin_unlock_irq(&rme96->lock);
1016                         return -EBUSY;
1017                 }
1018         }
1019         rme96->playback_periodsize =
1020                 params_period_size(params) << rme96->playback_frlog;
1021         snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1022         /* S/PDIF setup */
1023         if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1024                 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1025                 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1026         }
1027         spin_unlock_irq(&rme96->lock);
1028
1029         return 0;
1030 }
1031
1032 static int
1033 snd_rme96_capture_hw_params(snd_pcm_substream_t *substream,
1034                             snd_pcm_hw_params_t *params)
1035 {
1036         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1037         snd_pcm_runtime_t *runtime = substream->runtime;
1038         int err, isadat, rate;
1039
1040         runtime->dma_area = (void *)(rme96->iobase + RME96_IO_REC_BUFFER);
1041         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1042         runtime->dma_bytes = RME96_BUFFER_SIZE;
1043
1044         spin_lock_irq(&rme96->lock);
1045         if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1046                 spin_unlock_irq(&rme96->lock);
1047                 return err;
1048         }
1049         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1050                 if ((err = snd_rme96_capture_analog_setrate(rme96,
1051                                                             params_rate(params))) < 0)
1052                 {
1053                         spin_unlock_irq(&rme96->lock);
1054                         return err;
1055                 }
1056         } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1057                 if ((int)params_rate(params) != rate) {
1058                         spin_unlock_irq(&rme96->lock);
1059                         return -EIO;
1060                 }
1061                 if ((isadat && runtime->hw.channels_min == 2) ||
1062                     (!isadat && runtime->hw.channels_min == 8))
1063                 {
1064                         spin_unlock_irq(&rme96->lock);
1065                         return -EIO;
1066                 }
1067         }
1068         snd_rme96_setframelog(rme96, params_channels(params), 0);
1069         if (rme96->playback_periodsize != 0) {
1070                 if (params_period_size(params) << rme96->capture_frlog !=
1071                     rme96->playback_periodsize)
1072                 {
1073                         spin_unlock_irq(&rme96->lock);
1074                         return -EBUSY;
1075                 }
1076         }
1077         rme96->capture_periodsize =
1078                 params_period_size(params) << rme96->capture_frlog;
1079         snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1080         spin_unlock_irq(&rme96->lock);
1081
1082         return 0;
1083 }
1084
1085 static void
1086 snd_rme96_playback_start(rme96_t *rme96,
1087                          int from_pause)
1088 {
1089         if (!from_pause) {
1090                 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1091         }
1092
1093         rme96->wcreg |= RME96_WCR_START;
1094         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1095 }
1096
1097 static void
1098 snd_rme96_capture_start(rme96_t *rme96,
1099                         int from_pause)
1100 {
1101         if (!from_pause) {
1102                 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1103         }
1104
1105         rme96->wcreg |= RME96_WCR_START_2;
1106         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1107 }
1108
1109 static void
1110 snd_rme96_playback_stop(rme96_t *rme96)
1111 {
1112         /*
1113          * Check if there is an unconfirmed IRQ, if so confirm it, or else
1114          * the hardware will not stop generating interrupts
1115          */
1116         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1117         if (rme96->rcreg & RME96_RCR_IRQ) {
1118                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1119         }
1120         rme96->wcreg &= ~RME96_WCR_START;
1121         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1122 }
1123
1124 static void
1125 snd_rme96_capture_stop(rme96_t *rme96)
1126 {
1127         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1128         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1129                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1130         }
1131         rme96->wcreg &= ~RME96_WCR_START_2;
1132         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1133 }
1134
1135 static irqreturn_t
1136 snd_rme96_interrupt(int irq,
1137                     void *dev_id,
1138                     struct pt_regs *regs)
1139 {
1140         rme96_t *rme96 = (rme96_t *)dev_id;
1141
1142         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1143         /* fastpath out, to ease interrupt sharing */
1144         if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1145               (rme96->rcreg & RME96_RCR_IRQ_2)))
1146         {
1147                 return IRQ_NONE;
1148         }
1149
1150         if (rme96->rcreg & RME96_RCR_IRQ) {
1151                 /* playback */
1152                 snd_pcm_period_elapsed(rme96->playback_substream);
1153                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1154         }
1155         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1156                 /* capture */
1157                 snd_pcm_period_elapsed(rme96->capture_substream);
1158                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1159         }
1160         return IRQ_HANDLED;
1161 }
1162
1163 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1164
1165 static snd_pcm_hw_constraint_list_t hw_constraints_period_bytes = {
1166         .count = ARRAY_SIZE(period_bytes),
1167         .list = period_bytes,
1168         .mask = 0
1169 };
1170
1171 static int
1172 snd_rme96_playback_spdif_open(snd_pcm_substream_t *substream)
1173 {
1174         int rate, dummy;
1175         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1176         snd_pcm_runtime_t *runtime = substream->runtime;
1177
1178         snd_pcm_set_sync(substream);
1179
1180         spin_lock_irq(&rme96->lock);
1181         if (rme96->playback_substream != NULL) {
1182                 spin_unlock_irq(&rme96->lock);
1183                 return -EBUSY;
1184         }
1185         rme96->wcreg &= ~RME96_WCR_ADAT;
1186         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1187         rme96->playback_substream = substream;
1188         spin_unlock_irq(&rme96->lock);
1189
1190         runtime->hw = snd_rme96_playback_spdif_info;
1191         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1192             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1193             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1194         {
1195                 /* slave clock */
1196                 runtime->hw.rates = snd_rme96_ratecode(rate);
1197                 runtime->hw.rate_min = rate;
1198                 runtime->hw.rate_max = rate;
1199         }
1200         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1201         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes);
1202
1203         rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1204         rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1205         snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1206                        SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1207         return 0;
1208 }
1209
1210 static int
1211 snd_rme96_capture_spdif_open(snd_pcm_substream_t *substream)
1212 {
1213         int isadat, rate;
1214         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1215         snd_pcm_runtime_t *runtime = substream->runtime;
1216
1217         snd_pcm_set_sync(substream);
1218
1219         runtime->hw = snd_rme96_capture_spdif_info;
1220         if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1221             (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1222         {
1223                 if (isadat) {
1224                         return -EIO;
1225                 }
1226                 runtime->hw.rates = snd_rme96_ratecode(rate);
1227                 runtime->hw.rate_min = rate;
1228                 runtime->hw.rate_max = rate;
1229         }
1230
1231         spin_lock_irq(&rme96->lock);
1232         if (rme96->capture_substream != NULL) {
1233                 spin_unlock_irq(&rme96->lock);
1234                 return -EBUSY;
1235         }
1236         rme96->capture_substream = substream;
1237         spin_unlock_irq(&rme96->lock);
1238
1239         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1240         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes);
1241
1242         return 0;
1243 }
1244
1245 static int
1246 snd_rme96_playback_adat_open(snd_pcm_substream_t *substream)
1247 {
1248         int rate, dummy;
1249         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1250         snd_pcm_runtime_t *runtime = substream->runtime;
1251
1252         snd_pcm_set_sync(substream);
1253
1254         spin_lock_irq(&rme96->lock);
1255         if (rme96->playback_substream != NULL) {
1256                 spin_unlock_irq(&rme96->lock);
1257                 return -EBUSY;
1258         }
1259         rme96->wcreg |= RME96_WCR_ADAT;
1260         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1261         rme96->playback_substream = substream;
1262         spin_unlock_irq(&rme96->lock);
1263
1264         runtime->hw = snd_rme96_playback_adat_info;
1265         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1266             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1267             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1268         {
1269                 /* slave clock */
1270                 runtime->hw.rates = snd_rme96_ratecode(rate);
1271                 runtime->hw.rate_min = rate;
1272                 runtime->hw.rate_max = rate;
1273         }
1274         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1275         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes);
1276         return 0;
1277 }
1278
1279 static int
1280 snd_rme96_capture_adat_open(snd_pcm_substream_t *substream)
1281 {
1282         int isadat, rate;
1283         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1284         snd_pcm_runtime_t *runtime = substream->runtime;
1285
1286         snd_pcm_set_sync(substream);
1287
1288         runtime->hw = snd_rme96_capture_adat_info;
1289         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1290                 /* makes no sense to use analog input. Note that analog
1291                    expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1292                 return -EIO;
1293         }
1294         if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1295                 if (!isadat) {
1296                         return -EIO;
1297                 }
1298                 runtime->hw.rates = snd_rme96_ratecode(rate);
1299                 runtime->hw.rate_min = rate;
1300                 runtime->hw.rate_max = rate;
1301         }
1302
1303         spin_lock_irq(&rme96->lock);
1304         if (rme96->capture_substream != NULL) {
1305                 spin_unlock_irq(&rme96->lock);
1306                 return -EBUSY;
1307         }
1308         rme96->capture_substream = substream;
1309         spin_unlock_irq(&rme96->lock);
1310
1311         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1312         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes);
1313         return 0;
1314 }
1315
1316 static int
1317 snd_rme96_playback_close(snd_pcm_substream_t *substream)
1318 {
1319         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1320         int spdif = 0;
1321
1322         spin_lock_irq(&rme96->lock);
1323         if (RME96_ISPLAYING(rme96)) {
1324                 snd_rme96_playback_stop(rme96);
1325         }
1326         rme96->playback_substream = NULL;
1327         rme96->playback_periodsize = 0;
1328         spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1329         spin_unlock_irq(&rme96->lock);
1330         if (spdif) {
1331                 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1332                 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1333                                SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1334         }
1335         return 0;
1336 }
1337
1338 static int
1339 snd_rme96_capture_close(snd_pcm_substream_t *substream)
1340 {
1341         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1342
1343         spin_lock_irq(&rme96->lock);
1344         if (RME96_ISRECORDING(rme96)) {
1345                 snd_rme96_capture_stop(rme96);
1346         }
1347         rme96->capture_substream = NULL;
1348         rme96->capture_periodsize = 0;
1349         spin_unlock_irq(&rme96->lock);
1350         return 0;
1351 }
1352
1353 static int
1354 snd_rme96_playback_prepare(snd_pcm_substream_t *substream)
1355 {
1356         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1357
1358         spin_lock_irq(&rme96->lock);
1359         if (RME96_ISPLAYING(rme96)) {
1360                 snd_rme96_playback_stop(rme96);
1361         }
1362         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1363         spin_unlock_irq(&rme96->lock);
1364         return 0;
1365 }
1366
1367 static int
1368 snd_rme96_capture_prepare(snd_pcm_substream_t *substream)
1369 {
1370         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1371
1372         spin_lock_irq(&rme96->lock);
1373         if (RME96_ISRECORDING(rme96)) {
1374                 snd_rme96_capture_stop(rme96);
1375         }
1376         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1377         spin_unlock_irq(&rme96->lock);
1378         return 0;
1379 }
1380
1381 static int
1382 snd_rme96_playback_trigger(snd_pcm_substream_t *substream,
1383                            int cmd)
1384 {
1385         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1386
1387         switch (cmd) {
1388         case SNDRV_PCM_TRIGGER_START:
1389                 if (!RME96_ISPLAYING(rme96)) {
1390                         if (substream != rme96->playback_substream) {
1391                                 return -EBUSY;
1392                         }
1393                         snd_rme96_playback_start(rme96, 0);
1394                 }
1395                 break;
1396
1397         case SNDRV_PCM_TRIGGER_STOP:
1398                 if (RME96_ISPLAYING(rme96)) {
1399                         if (substream != rme96->playback_substream) {
1400                                 return -EBUSY;
1401                         }
1402                         snd_rme96_playback_stop(rme96);
1403                 }
1404                 break;
1405
1406         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1407                 if (RME96_ISPLAYING(rme96)) {
1408                         snd_rme96_playback_stop(rme96);
1409                 }
1410                 break;
1411
1412         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1413                 if (!RME96_ISPLAYING(rme96)) {
1414                         snd_rme96_playback_start(rme96, 1);
1415                 }
1416                 break;
1417
1418         default:
1419                 return -EINVAL;
1420         }
1421         return 0;
1422 }
1423
1424 static int
1425 snd_rme96_capture_trigger(snd_pcm_substream_t *substream,
1426                           int cmd)
1427 {
1428         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1429
1430         switch (cmd) {
1431         case SNDRV_PCM_TRIGGER_START:
1432                 if (!RME96_ISRECORDING(rme96)) {
1433                         if (substream != rme96->capture_substream) {
1434                                 return -EBUSY;
1435                         }
1436                         snd_rme96_capture_start(rme96, 0);
1437                 }
1438                 break;
1439
1440         case SNDRV_PCM_TRIGGER_STOP:
1441                 if (RME96_ISRECORDING(rme96)) {
1442                         if (substream != rme96->capture_substream) {
1443                                 return -EBUSY;
1444                         }
1445                         snd_rme96_capture_stop(rme96);
1446                 }
1447                 break;
1448
1449         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1450                 if (RME96_ISRECORDING(rme96)) {
1451                         snd_rme96_capture_stop(rme96);
1452                 }
1453                 break;
1454
1455         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1456                 if (!RME96_ISRECORDING(rme96)) {
1457                         snd_rme96_capture_start(rme96, 1);
1458                 }
1459                 break;
1460
1461         default:
1462                 return -EINVAL;
1463         }
1464
1465         return 0;
1466 }
1467
1468 static snd_pcm_uframes_t
1469 snd_rme96_playback_pointer(snd_pcm_substream_t *substream)
1470 {
1471         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1472         return snd_rme96_playback_ptr(rme96);
1473 }
1474
1475 static snd_pcm_uframes_t
1476 snd_rme96_capture_pointer(snd_pcm_substream_t *substream)
1477 {
1478         rme96_t *rme96 = snd_pcm_substream_chip(substream);
1479         return snd_rme96_capture_ptr(rme96);
1480 }
1481
1482 static snd_pcm_ops_t snd_rme96_playback_spdif_ops = {
1483         .open =         snd_rme96_playback_spdif_open,
1484         .close =        snd_rme96_playback_close,
1485         .ioctl =        snd_pcm_lib_ioctl,
1486         .hw_params =    snd_rme96_playback_hw_params,
1487         .prepare =      snd_rme96_playback_prepare,
1488         .trigger =      snd_rme96_playback_trigger,
1489         .pointer =      snd_rme96_playback_pointer,
1490         .copy =         snd_rme96_playback_copy,
1491         .silence =      snd_rme96_playback_silence,
1492         .mmap =         snd_pcm_lib_mmap_iomem,
1493 };
1494
1495 static snd_pcm_ops_t snd_rme96_capture_spdif_ops = {
1496         .open =         snd_rme96_capture_spdif_open,
1497         .close =        snd_rme96_capture_close,
1498         .ioctl =        snd_pcm_lib_ioctl,
1499         .hw_params =    snd_rme96_capture_hw_params,
1500         .prepare =      snd_rme96_capture_prepare,
1501         .trigger =      snd_rme96_capture_trigger,
1502         .pointer =      snd_rme96_capture_pointer,
1503         .copy =         snd_rme96_capture_copy,
1504         .mmap =         snd_pcm_lib_mmap_iomem,
1505 };
1506
1507 static snd_pcm_ops_t snd_rme96_playback_adat_ops = {
1508         .open =         snd_rme96_playback_adat_open,
1509         .close =        snd_rme96_playback_close,
1510         .ioctl =        snd_pcm_lib_ioctl,
1511         .hw_params =    snd_rme96_playback_hw_params,
1512         .prepare =      snd_rme96_playback_prepare,
1513         .trigger =      snd_rme96_playback_trigger,
1514         .pointer =      snd_rme96_playback_pointer,
1515         .copy =         snd_rme96_playback_copy,
1516         .silence =      snd_rme96_playback_silence,
1517         .mmap =         snd_pcm_lib_mmap_iomem,
1518 };
1519
1520 static snd_pcm_ops_t snd_rme96_capture_adat_ops = {
1521         .open =         snd_rme96_capture_adat_open,
1522         .close =        snd_rme96_capture_close,
1523         .ioctl =        snd_pcm_lib_ioctl,
1524         .hw_params =    snd_rme96_capture_hw_params,
1525         .prepare =      snd_rme96_capture_prepare,
1526         .trigger =      snd_rme96_capture_trigger,
1527         .pointer =      snd_rme96_capture_pointer,
1528         .copy =         snd_rme96_capture_copy,
1529         .mmap =         snd_pcm_lib_mmap_iomem,
1530 };
1531
1532 static void
1533 snd_rme96_free(void *private_data)
1534 {
1535         rme96_t *rme96 = (rme96_t *)private_data;
1536
1537         if (rme96 == NULL) {
1538                 return;
1539         }
1540         if (rme96->irq >= 0) {
1541                 snd_rme96_playback_stop(rme96);
1542                 snd_rme96_capture_stop(rme96);
1543                 rme96->areg &= ~RME96_AR_DAC_EN;
1544                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1545                 free_irq(rme96->irq, (void *)rme96);
1546                 rme96->irq = -1;
1547         }
1548         if (rme96->iobase) {
1549                 iounmap(rme96->iobase);
1550                 rme96->iobase = NULL;
1551         }
1552         if (rme96->port) {
1553                 pci_release_regions(rme96->pci);
1554                 rme96->port = 0;
1555         }
1556         pci_disable_device(rme96->pci);
1557 }
1558
1559 static void
1560 snd_rme96_free_spdif_pcm(snd_pcm_t *pcm)
1561 {
1562         rme96_t *rme96 = (rme96_t *) pcm->private_data;
1563         rme96->spdif_pcm = NULL;
1564 }
1565
1566 static void
1567 snd_rme96_free_adat_pcm(snd_pcm_t *pcm)
1568 {
1569         rme96_t *rme96 = (rme96_t *) pcm->private_data;
1570         rme96->adat_pcm = NULL;
1571 }
1572
1573 static int __devinit
1574 snd_rme96_create(rme96_t *rme96)
1575 {
1576         struct pci_dev *pci = rme96->pci;
1577         int err;
1578
1579         rme96->irq = -1;
1580         spin_lock_init(&rme96->lock);
1581
1582         if ((err = pci_enable_device(pci)) < 0)
1583                 return err;
1584
1585         if ((err = pci_request_regions(pci, "RME96")) < 0)
1586                 return err;
1587         rme96->port = pci_resource_start(rme96->pci, 0);
1588
1589         if (request_irq(pci->irq, snd_rme96_interrupt, SA_INTERRUPT|SA_SHIRQ, "RME96", (void *)rme96)) {
1590                 snd_printk("unable to grab IRQ %d\n", pci->irq);
1591                 return -EBUSY;
1592         }
1593         rme96->irq = pci->irq;
1594
1595         if ((rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE)) == 0) {
1596                 snd_printk("unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
1597                 return -ENOMEM;
1598         }
1599
1600         /* read the card's revision number */
1601         pci_read_config_byte(pci, 8, &rme96->rev);
1602
1603         /* set up ALSA pcm device for S/PDIF */
1604         if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1605                                1, 1, &rme96->spdif_pcm)) < 0)
1606         {
1607                 return err;
1608         }
1609         rme96->spdif_pcm->private_data = rme96;
1610         rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1611         strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1612         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1613         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1614
1615         rme96->spdif_pcm->info_flags = 0;
1616
1617         /* set up ALSA pcm device for ADAT */
1618         if (pci->device == PCI_DEVICE_ID_DIGI96) {
1619                 /* ADAT is not available on the base model */
1620                 rme96->adat_pcm = NULL;
1621         } else {
1622                 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1623                                        1, 1, &rme96->adat_pcm)) < 0)
1624                 {
1625                         return err;
1626                 }
1627                 rme96->adat_pcm->private_data = rme96;
1628                 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1629                 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1630                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1631                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1632
1633                 rme96->adat_pcm->info_flags = 0;
1634         }
1635
1636         rme96->playback_periodsize = 0;
1637         rme96->capture_periodsize = 0;
1638
1639         /* make sure playback/capture is stopped, if by some reason active */
1640         snd_rme96_playback_stop(rme96);
1641         snd_rme96_capture_stop(rme96);
1642
1643         /* set default values in registers */
1644         rme96->wcreg =
1645                 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1646                 RME96_WCR_SEL |    /* normal playback */
1647                 RME96_WCR_MASTER | /* set to master clock mode */
1648                 RME96_WCR_INP_0;   /* set coaxial input */
1649
1650         rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1651
1652         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1653         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1654
1655         /* reset the ADC */
1656         writel(rme96->areg | RME96_AR_PD2,
1657                rme96->iobase + RME96_IO_ADDITIONAL_REG);
1658         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1659
1660         /* reset and enable the DAC (order is important). */
1661         snd_rme96_reset_dac(rme96);
1662         rme96->areg |= RME96_AR_DAC_EN;
1663         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1664
1665         /* reset playback and record buffer pointers */
1666         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1667         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1668
1669         /* reset volume */
1670         rme96->vol[0] = rme96->vol[1] = 0;
1671         if (RME96_HAS_ANALOG_OUT(rme96)) {
1672                 snd_rme96_apply_dac_volume(rme96);
1673         }
1674
1675         /* init switch interface */
1676         if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1677                 return err;
1678         }
1679
1680         /* init proc interface */
1681         snd_rme96_proc_init(rme96);
1682
1683         return 0;
1684 }
1685
1686 /*
1687  * proc interface
1688  */
1689
1690 static void
1691 snd_rme96_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
1692 {
1693         int n;
1694         rme96_t *rme96 = (rme96_t *)entry->private_data;
1695
1696         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1697
1698         snd_iprintf(buffer, rme96->card->longname);
1699         snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1700
1701         snd_iprintf(buffer, "\nGeneral settings\n");
1702         if (rme96->wcreg & RME96_WCR_IDIS) {
1703                 snd_iprintf(buffer, "  period size: N/A (interrupts "
1704                             "disabled)\n");
1705         } else if (rme96->wcreg & RME96_WCR_ISEL) {
1706                 snd_iprintf(buffer, "  period size: 2048 bytes\n");
1707         } else {
1708                 snd_iprintf(buffer, "  period size: 8192 bytes\n");
1709         }
1710         snd_iprintf(buffer, "\nInput settings\n");
1711         switch (snd_rme96_getinputtype(rme96)) {
1712         case RME96_INPUT_OPTICAL:
1713                 snd_iprintf(buffer, "  input: optical");
1714                 break;
1715         case RME96_INPUT_COAXIAL:
1716                 snd_iprintf(buffer, "  input: coaxial");
1717                 break;
1718         case RME96_INPUT_INTERNAL:
1719                 snd_iprintf(buffer, "  input: internal");
1720                 break;
1721         case RME96_INPUT_XLR:
1722                 snd_iprintf(buffer, "  input: XLR");
1723                 break;
1724         case RME96_INPUT_ANALOG:
1725                 snd_iprintf(buffer, "  input: analog");
1726                 break;
1727         }
1728         if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1729                 snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1730         } else {
1731                 if (n) {
1732                         snd_iprintf(buffer, " (8 channels)\n");
1733                 } else {
1734                         snd_iprintf(buffer, " (2 channels)\n");
1735                 }
1736                 snd_iprintf(buffer, "  sample rate: %d Hz\n",
1737                             snd_rme96_capture_getrate(rme96, &n));
1738         }
1739         if (rme96->wcreg & RME96_WCR_MODE24_2) {
1740                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1741         } else {
1742                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1743         }
1744
1745         snd_iprintf(buffer, "\nOutput settings\n");
1746         if (rme96->wcreg & RME96_WCR_SEL) {
1747                 snd_iprintf(buffer, "  output signal: normal playback\n");
1748         } else {
1749                 snd_iprintf(buffer, "  output signal: same as input\n");
1750         }
1751         snd_iprintf(buffer, "  sample rate: %d Hz\n",
1752                     snd_rme96_playback_getrate(rme96));
1753         if (rme96->wcreg & RME96_WCR_MODE24) {
1754                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1755         } else {
1756                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1757         }
1758         if (rme96->areg & RME96_AR_WSEL) {
1759                 snd_iprintf(buffer, "  sample clock source: word clock\n");
1760         } else if (rme96->wcreg & RME96_WCR_MASTER) {
1761                 snd_iprintf(buffer, "  sample clock source: internal\n");
1762         } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1763                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1764         } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1765                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1766         } else {
1767                 snd_iprintf(buffer, "  sample clock source: autosync\n");
1768         }
1769         if (rme96->wcreg & RME96_WCR_PRO) {
1770                 snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1771         } else {
1772                 snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1773         }
1774         if (rme96->wcreg & RME96_WCR_EMP) {
1775                 snd_iprintf(buffer, "  emphasis: on\n");
1776         } else {
1777                 snd_iprintf(buffer, "  emphasis: off\n");
1778         }
1779         if (rme96->wcreg & RME96_WCR_DOLBY) {
1780                 snd_iprintf(buffer, "  non-audio (dolby): on\n");
1781         } else {
1782                 snd_iprintf(buffer, "  non-audio (dolby): off\n");
1783         }
1784         if (RME96_HAS_ANALOG_IN(rme96)) {
1785                 snd_iprintf(buffer, "\nAnalog output settings\n");
1786                 switch (snd_rme96_getmontracks(rme96)) {
1787                 case RME96_MONITOR_TRACKS_1_2:
1788                         snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1789                         break;
1790                 case RME96_MONITOR_TRACKS_3_4:
1791                         snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1792                         break;
1793                 case RME96_MONITOR_TRACKS_5_6:
1794                         snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1795                         break;
1796                 case RME96_MONITOR_TRACKS_7_8:
1797                         snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1798                         break;
1799                 }
1800                 switch (snd_rme96_getattenuation(rme96)) {
1801                 case RME96_ATTENUATION_0:
1802                         snd_iprintf(buffer, "  attenuation: 0 dB\n");
1803                         break;
1804                 case RME96_ATTENUATION_6:
1805                         snd_iprintf(buffer, "  attenuation: -6 dB\n");
1806                         break;
1807                 case RME96_ATTENUATION_12:
1808                         snd_iprintf(buffer, "  attenuation: -12 dB\n");
1809                         break;
1810                 case RME96_ATTENUATION_18:
1811                         snd_iprintf(buffer, "  attenuation: -18 dB\n");
1812                         break;
1813                 }
1814                 snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1815                 snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1816         }
1817 }
1818
1819 static void __devinit
1820 snd_rme96_proc_init(rme96_t *rme96)
1821 {
1822         snd_info_entry_t *entry;
1823
1824         if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1825                 snd_info_set_text_ops(entry, rme96, 1024, snd_rme96_proc_read);
1826 }
1827
1828 /*
1829  * control interface
1830  */
1831
1832 static int
1833 snd_rme96_info_loopback_control(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1834 {
1835         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1836         uinfo->count = 1;
1837         uinfo->value.integer.min = 0;
1838         uinfo->value.integer.max = 1;
1839         return 0;
1840 }
1841 static int
1842 snd_rme96_get_loopback_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1843 {
1844         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
1845
1846         spin_lock_irq(&rme96->lock);
1847         ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1848         spin_unlock_irq(&rme96->lock);
1849         return 0;
1850 }
1851 static int
1852 snd_rme96_put_loopback_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1853 {
1854         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
1855         unsigned int val;
1856         int change;
1857
1858         val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1859         spin_lock_irq(&rme96->lock);
1860         val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1861         change = val != rme96->wcreg;
1862         rme96->wcreg = val;
1863         writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1864         spin_unlock_irq(&rme96->lock);
1865         return change;
1866 }
1867
1868 static int
1869 snd_rme96_info_inputtype_control(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1870 {
1871         static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
1872         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
1873         char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
1874
1875         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1876         uinfo->count = 1;
1877         switch (rme96->pci->device) {
1878         case PCI_DEVICE_ID_DIGI96:
1879         case PCI_DEVICE_ID_DIGI96_8:
1880                 uinfo->value.enumerated.items = 3;
1881                 break;
1882         case PCI_DEVICE_ID_DIGI96_8_PRO:
1883                 uinfo->value.enumerated.items = 4;
1884                 break;
1885         case PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST:
1886                 if (rme96->rev > 4) {
1887                         /* PST */
1888                         uinfo->value.enumerated.items = 4;
1889                         texts[3] = _texts[4]; /* Analog instead of XLR */
1890                 } else {
1891                         /* PAD */
1892                         uinfo->value.enumerated.items = 5;
1893                 }
1894                 break;
1895         default:
1896                 snd_BUG();
1897                 break;
1898         }
1899         if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
1900                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1901         }
1902         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1903         return 0;
1904 }
1905 static int
1906 snd_rme96_get_inputtype_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1907 {
1908         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
1909         unsigned int items = 3;
1910
1911         spin_lock_irq(&rme96->lock);
1912         ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1913
1914         switch (rme96->pci->device) {
1915         case PCI_DEVICE_ID_DIGI96:
1916         case PCI_DEVICE_ID_DIGI96_8:
1917                 items = 3;
1918                 break;
1919         case PCI_DEVICE_ID_DIGI96_8_PRO:
1920                 items = 4;
1921                 break;
1922         case PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST:
1923                 if (rme96->rev > 4) {
1924                         /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1925                         if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1926                                 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1927                         }
1928                         items = 4;
1929                 } else {
1930                         items = 5;
1931                 }
1932                 break;
1933         default:
1934                 snd_BUG();
1935                 break;
1936         }
1937         if (ucontrol->value.enumerated.item[0] >= items) {
1938                 ucontrol->value.enumerated.item[0] = items - 1;
1939         }
1940
1941         spin_unlock_irq(&rme96->lock);
1942         return 0;
1943 }
1944 static int
1945 snd_rme96_put_inputtype_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1946 {
1947         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
1948         unsigned int val;
1949         int change, items = 3;
1950
1951         switch (rme96->pci->device) {
1952         case PCI_DEVICE_ID_DIGI96:
1953         case PCI_DEVICE_ID_DIGI96_8:
1954                 items = 3;
1955                 break;
1956         case PCI_DEVICE_ID_DIGI96_8_PRO:
1957                 items = 4;
1958                 break;
1959         case PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST:
1960                 if (rme96->rev > 4) {
1961                         items = 4;
1962                 } else {
1963                         items = 5;
1964                 }
1965                 break;
1966         default:
1967                 snd_BUG();
1968                 break;
1969         }
1970         val = ucontrol->value.enumerated.item[0] % items;
1971
1972         /* special case for PST */
1973         if (rme96->pci->device == PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1974                 if (val == RME96_INPUT_XLR) {
1975                         val = RME96_INPUT_ANALOG;
1976                 }
1977         }
1978
1979         spin_lock_irq(&rme96->lock);
1980         change = (int)val != snd_rme96_getinputtype(rme96);
1981         snd_rme96_setinputtype(rme96, val);
1982         spin_unlock_irq(&rme96->lock);
1983         return change;
1984 }
1985
1986 static int
1987 snd_rme96_info_clockmode_control(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1988 {
1989         static char *texts[3] = { "AutoSync", "Internal", "Word" };
1990
1991         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1992         uinfo->count = 1;
1993         uinfo->value.enumerated.items = 3;
1994         if (uinfo->value.enumerated.item > 2) {
1995                 uinfo->value.enumerated.item = 2;
1996         }
1997         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1998         return 0;
1999 }
2000 static int
2001 snd_rme96_get_clockmode_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2002 {
2003         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2004
2005         spin_lock_irq(&rme96->lock);
2006         ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2007         spin_unlock_irq(&rme96->lock);
2008         return 0;
2009 }
2010 static int
2011 snd_rme96_put_clockmode_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2012 {
2013         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2014         unsigned int val;
2015         int change;
2016
2017         val = ucontrol->value.enumerated.item[0] % 3;
2018         spin_lock_irq(&rme96->lock);
2019         change = (int)val != snd_rme96_getclockmode(rme96);
2020         snd_rme96_setclockmode(rme96, val);
2021         spin_unlock_irq(&rme96->lock);
2022         return change;
2023 }
2024
2025 static int
2026 snd_rme96_info_attenuation_control(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2027 {
2028         static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
2029
2030         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2031         uinfo->count = 1;
2032         uinfo->value.enumerated.items = 4;
2033         if (uinfo->value.enumerated.item > 3) {
2034                 uinfo->value.enumerated.item = 3;
2035         }
2036         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2037         return 0;
2038 }
2039 static int
2040 snd_rme96_get_attenuation_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2041 {
2042         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2043
2044         spin_lock_irq(&rme96->lock);
2045         ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2046         spin_unlock_irq(&rme96->lock);
2047         return 0;
2048 }
2049 static int
2050 snd_rme96_put_attenuation_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2051 {
2052         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2053         unsigned int val;
2054         int change;
2055
2056         val = ucontrol->value.enumerated.item[0] % 4;
2057         spin_lock_irq(&rme96->lock);
2058
2059         change = (int)val != snd_rme96_getattenuation(rme96);
2060         snd_rme96_setattenuation(rme96, val);
2061         spin_unlock_irq(&rme96->lock);
2062         return change;
2063 }
2064
2065 static int
2066 snd_rme96_info_montracks_control(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2067 {
2068         static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2069
2070         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2071         uinfo->count = 1;
2072         uinfo->value.enumerated.items = 4;
2073         if (uinfo->value.enumerated.item > 3) {
2074                 uinfo->value.enumerated.item = 3;
2075         }
2076         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2077         return 0;
2078 }
2079 static int
2080 snd_rme96_get_montracks_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2081 {
2082         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2083
2084         spin_lock_irq(&rme96->lock);
2085         ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2086         spin_unlock_irq(&rme96->lock);
2087         return 0;
2088 }
2089 static int
2090 snd_rme96_put_montracks_control(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2091 {
2092         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2093         unsigned int val;
2094         int change;
2095
2096         val = ucontrol->value.enumerated.item[0] % 4;
2097         spin_lock_irq(&rme96->lock);
2098         change = (int)val != snd_rme96_getmontracks(rme96);
2099         snd_rme96_setmontracks(rme96, val);
2100         spin_unlock_irq(&rme96->lock);
2101         return change;
2102 }
2103
2104 static u32 snd_rme96_convert_from_aes(snd_aes_iec958_t *aes)
2105 {
2106         u32 val = 0;
2107         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2108         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2109         if (val & RME96_WCR_PRO)
2110                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2111         else
2112                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2113         return val;
2114 }
2115
2116 static void snd_rme96_convert_to_aes(snd_aes_iec958_t *aes, u32 val)
2117 {
2118         aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2119                          ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2120         if (val & RME96_WCR_PRO)
2121                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2122         else
2123                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2124 }
2125
2126 static int snd_rme96_control_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2127 {
2128         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2129         uinfo->count = 1;
2130         return 0;
2131 }
2132
2133 static int snd_rme96_control_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2134 {
2135         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2136
2137         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2138         return 0;
2139 }
2140
2141 static int snd_rme96_control_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2142 {
2143         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2144         int change;
2145         u32 val;
2146
2147         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2148         spin_lock_irq(&rme96->lock);
2149         change = val != rme96->wcreg_spdif;
2150         rme96->wcreg_spdif = val;
2151         spin_unlock_irq(&rme96->lock);
2152         return change;
2153 }
2154
2155 static int snd_rme96_control_spdif_stream_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2156 {
2157         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2158         uinfo->count = 1;
2159         return 0;
2160 }
2161
2162 static int snd_rme96_control_spdif_stream_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2163 {
2164         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2165
2166         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2167         return 0;
2168 }
2169
2170 static int snd_rme96_control_spdif_stream_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2171 {
2172         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2173         int change;
2174         u32 val;
2175
2176         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2177         spin_lock_irq(&rme96->lock);
2178         change = val != rme96->wcreg_spdif_stream;
2179         rme96->wcreg_spdif_stream = val;
2180         rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2181         rme96->wcreg |= val;
2182         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2183         spin_unlock_irq(&rme96->lock);
2184         return change;
2185 }
2186
2187 static int snd_rme96_control_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2188 {
2189         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2190         uinfo->count = 1;
2191         return 0;
2192 }
2193
2194 static int snd_rme96_control_spdif_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2195 {
2196         ucontrol->value.iec958.status[0] = kcontrol->private_value;
2197         return 0;
2198 }
2199
2200 static int
2201 snd_rme96_dac_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2202 {
2203         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2204
2205         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2206         uinfo->count = 2;
2207         uinfo->value.integer.min = 0;
2208         uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2209         return 0;
2210 }
2211
2212 static int
2213 snd_rme96_dac_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
2214 {
2215         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2216
2217         spin_lock_irq(&rme96->lock);
2218         u->value.integer.value[0] = rme96->vol[0];
2219         u->value.integer.value[1] = rme96->vol[1];
2220         spin_unlock_irq(&rme96->lock);
2221
2222         return 0;
2223 }
2224
2225 static int
2226 snd_rme96_dac_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
2227 {
2228         rme96_t *rme96 = snd_kcontrol_chip(kcontrol);
2229         int change = 0;
2230
2231         if (!RME96_HAS_ANALOG_OUT(rme96)) {
2232                 return -EINVAL;
2233         }
2234         spin_lock_irq(&rme96->lock);
2235         if (u->value.integer.value[0] != rme96->vol[0]) {
2236                 rme96->vol[0] = u->value.integer.value[0];
2237                 change = 1;
2238         }
2239         if (u->value.integer.value[1] != rme96->vol[1]) {
2240                 rme96->vol[1] = u->value.integer.value[1];
2241                 change = 1;
2242         }
2243         if (change) {
2244                 snd_rme96_apply_dac_volume(rme96);
2245         }
2246         spin_unlock_irq(&rme96->lock);
2247
2248         return change;
2249 }
2250
2251 static snd_kcontrol_new_t snd_rme96_controls[] = {
2252 {
2253         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2254         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2255         .info =         snd_rme96_control_spdif_info,
2256         .get =          snd_rme96_control_spdif_get,
2257         .put =          snd_rme96_control_spdif_put
2258 },
2259 {
2260         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2261         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2262         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2263         .info =         snd_rme96_control_spdif_stream_info,
2264         .get =          snd_rme96_control_spdif_stream_get,
2265         .put =          snd_rme96_control_spdif_stream_put
2266 },
2267 {
2268         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2269         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2270         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2271         .info =         snd_rme96_control_spdif_mask_info,
2272         .get =          snd_rme96_control_spdif_mask_get,
2273         .private_value = IEC958_AES0_NONAUDIO |
2274                         IEC958_AES0_PROFESSIONAL |
2275                         IEC958_AES0_CON_EMPHASIS
2276 },
2277 {
2278         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2279         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2280         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2281         .info =         snd_rme96_control_spdif_mask_info,
2282         .get =          snd_rme96_control_spdif_mask_get,
2283         .private_value = IEC958_AES0_NONAUDIO |
2284                         IEC958_AES0_PROFESSIONAL |
2285                         IEC958_AES0_PRO_EMPHASIS
2286 },
2287 {
2288         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2289         .name =         "Input Connector",
2290         .info =         snd_rme96_info_inputtype_control,
2291         .get =          snd_rme96_get_inputtype_control,
2292         .put =          snd_rme96_put_inputtype_control
2293 },
2294 {
2295         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2296         .name =         "Loopback Input",
2297         .info =         snd_rme96_info_loopback_control,
2298         .get =          snd_rme96_get_loopback_control,
2299         .put =          snd_rme96_put_loopback_control
2300 },
2301 {
2302         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2303         .name =         "Sample Clock Source",
2304         .info =         snd_rme96_info_clockmode_control,
2305         .get =          snd_rme96_get_clockmode_control,
2306         .put =          snd_rme96_put_clockmode_control
2307 },
2308 {
2309         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2310         .name =         "Monitor Tracks",
2311         .info =         snd_rme96_info_montracks_control,
2312         .get =          snd_rme96_get_montracks_control,
2313         .put =          snd_rme96_put_montracks_control
2314 },
2315 {
2316         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2317         .name =         "Attenuation",
2318         .info =         snd_rme96_info_attenuation_control,
2319         .get =          snd_rme96_get_attenuation_control,
2320         .put =          snd_rme96_put_attenuation_control
2321 },
2322 {
2323         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2324         .name =         "DAC Playback Volume",
2325         .info =         snd_rme96_dac_volume_info,
2326         .get =          snd_rme96_dac_volume_get,
2327         .put =          snd_rme96_dac_volume_put
2328 }
2329 };
2330
2331 static int
2332 snd_rme96_create_switches(snd_card_t *card,
2333                           rme96_t *rme96)
2334 {
2335         int idx, err;
2336         snd_kcontrol_t *kctl;
2337
2338         for (idx = 0; idx < 7; idx++) {
2339                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2340                         return err;
2341                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
2342                         rme96->spdif_ctl = kctl;
2343         }
2344
2345         if (RME96_HAS_ANALOG_OUT(rme96)) {
2346                 for (idx = 7; idx < 10; idx++)
2347                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2348                                 return err;
2349         }
2350
2351         return 0;
2352 }
2353
2354 /*
2355  * Card initialisation
2356  */
2357
2358 static void snd_rme96_card_free(snd_card_t *card)
2359 {
2360         snd_rme96_free(card->private_data);
2361 }
2362
2363 static int __devinit
2364 snd_rme96_probe(struct pci_dev *pci,
2365                 const struct pci_device_id *pci_id)
2366 {
2367         static int dev;
2368         rme96_t *rme96;
2369         snd_card_t *card;
2370         int err;
2371         u8 val;
2372
2373         if (dev >= SNDRV_CARDS) {
2374                 return -ENODEV;
2375         }
2376         if (!enable[dev]) {
2377                 dev++;
2378                 return -ENOENT;
2379         }
2380         if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
2381                                  sizeof(rme96_t))) == NULL)
2382                 return -ENOMEM;
2383         card->private_free = snd_rme96_card_free;
2384         rme96 = (rme96_t *)card->private_data;
2385         rme96->card = card;
2386         rme96->pci = pci;
2387         snd_card_set_dev(card, &pci->dev);
2388         if ((err = snd_rme96_create(rme96)) < 0) {
2389                 snd_card_free(card);
2390                 return err;
2391         }
2392
2393         strcpy(card->driver, "Digi96");
2394         switch (rme96->pci->device) {
2395         case PCI_DEVICE_ID_DIGI96:
2396                 strcpy(card->shortname, "RME Digi96");
2397                 break;
2398         case PCI_DEVICE_ID_DIGI96_8:
2399                 strcpy(card->shortname, "RME Digi96/8");
2400                 break;
2401         case PCI_DEVICE_ID_DIGI96_8_PRO:
2402                 strcpy(card->shortname, "RME Digi96/8 PRO");
2403                 break;
2404         case PCI_DEVICE_ID_DIGI96_8_PAD_OR_PST:
2405                 pci_read_config_byte(rme96->pci, 8, &val);
2406                 if (val < 5) {
2407                         strcpy(card->shortname, "RME Digi96/8 PAD");
2408                 } else {
2409                         strcpy(card->shortname, "RME Digi96/8 PST");
2410                 }
2411                 break;
2412         }
2413         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2414                 rme96->port, rme96->irq);
2415
2416         if ((err = snd_card_register(card)) < 0) {
2417                 snd_card_free(card);
2418                 return err;
2419         }
2420         pci_set_drvdata(pci, card);
2421         dev++;
2422         return 0;
2423 }
2424
2425 static void __devexit snd_rme96_remove(struct pci_dev *pci)
2426 {
2427         snd_card_free(pci_get_drvdata(pci));
2428         pci_set_drvdata(pci, NULL);
2429 }
2430
2431 static struct pci_driver driver = {
2432         .name = "RME Digi96",
2433         .id_table = snd_rme96_ids,
2434         .probe = snd_rme96_probe,
2435         .remove = __devexit_p(snd_rme96_remove),
2436 };
2437
2438 static int __init alsa_card_rme96_init(void)
2439 {
2440         return pci_register_driver(&driver);
2441 }
2442
2443 static void __exit alsa_card_rme96_exit(void)
2444 {
2445         pci_unregister_driver(&driver);
2446 }
2447
2448 module_init(alsa_card_rme96_init)
2449 module_exit(alsa_card_rme96_exit)