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 struct rme96 {
 205         spinlock_t    lock;
 206         int irq;
 207         unsigned long port;
 208         void __iomem *iobase;
 209
 210         u32 wcreg;    /* cached write control register value */
 211         u32 wcreg_spdif;                /* S/PDIF setup */
 212         u32 wcreg_spdif_stream;         /* S/PDIF setup (temporary) */
 213         u32 rcreg;    /* cached read control register value */
 214         u32 areg;     /* cached additional register value */
 215         u16 vol[2]; /* cached volume of analog output */
 216
 217         u8 rev; /* card revision number */
 218
 219         struct snd_pcm_substream *playback_substream;
 220         struct snd_pcm_substream *capture_substream;
 221
 222         int playback_frlog; /* log2 of framesize */
 223         int capture_frlog;
 224
 225         size_t playback_periodsize; /* in bytes, zero if not used */
 226         size_t capture_periodsize; /* in bytes, zero if not used */
 227
 228         struct snd_card *card;
 229         struct snd_pcm *spdif_pcm;
 230         struct snd_pcm *adat_pcm;
 231         struct pci_dev     *pci;
 232         struct snd_kcontrol   *spdif_ctl;
 233 };
 234
 235 static struct pci_device_id snd_rme96_ids[] = {
 236         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96,
 237           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 238         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8,
 239           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 240         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO,
 241           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 242         { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST,
 243           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
 244         { 0, }
 245 };
 246
 247 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
 248
 249 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
 250 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
 251 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 252 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
 253                                      (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 254 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
 255 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
 256                                   ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
 257 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
 258
 259 static int
 260 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
 261
 262 static int
 263 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
 264
 265 static int
 266 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
 267                            int cmd);
 268
 269 static int
 270 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
 271                           int cmd);
 272
 273 static snd_pcm_uframes_t
 274 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
 275
 276 static snd_pcm_uframes_t
 277 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
 278
 279 static void __devinit
 280 snd_rme96_proc_init(struct rme96 *rme96);
 281
 282 static int
 283 snd_rme96_create_switches(struct snd_card *card,
 284                           struct rme96 *rme96);
 285
 286 static int
 287 snd_rme96_getinputtype(struct rme96 *rme96);
 288
 289 static inline unsigned int
 290 snd_rme96_playback_ptr(struct rme96 *rme96)
 291 {
 292         return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
 293                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
 294 }
 295
 296 static inline unsigned int
 297 snd_rme96_capture_ptr(struct rme96 *rme96)
 298 {
 299         return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
 300                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
 301 }
 302
 303 static int
 304 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
 305                            int channel, /* not used (interleaved data) */
 306                            snd_pcm_uframes_t pos,
 307                            snd_pcm_uframes_t count)
 308 {
 309         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 310         count <<= rme96->playback_frlog;
 311         pos <<= rme96->playback_frlog;
 312         memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 313                   0, count);
 314         return 0;
 315 }
 316
 317 static int
 318 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
 319                         int channel, /* not used (interleaved data) */
 320                         snd_pcm_uframes_t pos,
 321                         void __user *src,
 322                         snd_pcm_uframes_t count)
 323 {
 324         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 325         count <<= rme96->playback_frlog;
 326         pos <<= rme96->playback_frlog;
 327         copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
 328                             count);
 329         return 0;
 330 }
 331
 332 static int
 333 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 334                        int channel, /* not used (interleaved data) */
 335                        snd_pcm_uframes_t pos,
 336                        void __user *dst,
 337                        snd_pcm_uframes_t count)
 338 {
 339         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 340         count <<= rme96->capture_frlog;
 341         pos <<= rme96->capture_frlog;
 342         copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
 343                             count);
 344         return 0;
 345 }
 346
 347 /*
 348  * Digital output capabilities (S/PDIF)
 349  */
 350 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 351 {
 352         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 353                               SNDRV_PCM_INFO_MMAP_VALID |
 354                               SNDRV_PCM_INFO_INTERLEAVED |
 355                               SNDRV_PCM_INFO_PAUSE),
 356         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 357                               SNDRV_PCM_FMTBIT_S32_LE),
 358         .rates =             (SNDRV_PCM_RATE_32000 |
 359                               SNDRV_PCM_RATE_44100 |
 360                               SNDRV_PCM_RATE_48000 |
 361                               SNDRV_PCM_RATE_64000 |
 362                               SNDRV_PCM_RATE_88200 |
 363                               SNDRV_PCM_RATE_96000),
 364         .rate_min =          32000,
 365         .rate_max =          96000,
 366         .channels_min =      2,
 367         .channels_max =      2,
 368         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 369         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 370         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 371         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 372         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 373         .fifo_size =         0,
 374 };
 375
 376 /*
 377  * Digital input capabilities (S/PDIF)
 378  */
 379 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 380 {
 381         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 382                               SNDRV_PCM_INFO_MMAP_VALID |
 383                               SNDRV_PCM_INFO_INTERLEAVED |
 384                               SNDRV_PCM_INFO_PAUSE),
 385         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 386                               SNDRV_PCM_FMTBIT_S32_LE),
 387         .rates =             (SNDRV_PCM_RATE_32000 |
 388                               SNDRV_PCM_RATE_44100 |
 389                               SNDRV_PCM_RATE_48000 |
 390                               SNDRV_PCM_RATE_64000 |
 391                               SNDRV_PCM_RATE_88200 |
 392                               SNDRV_PCM_RATE_96000),
 393         .rate_min =          32000,
 394         .rate_max =          96000,
 395         .channels_min =      2,
 396         .channels_max =      2,
 397         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 398         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 399         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 400         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 401         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 402         .fifo_size =         0,
 403 };
 404
 405 /*
 406  * Digital output capabilities (ADAT)
 407  */
 408 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
 409 {
 410         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 411                               SNDRV_PCM_INFO_MMAP_VALID |
 412                               SNDRV_PCM_INFO_INTERLEAVED |
 413                               SNDRV_PCM_INFO_PAUSE),
 414         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 415                               SNDRV_PCM_FMTBIT_S32_LE),
 416         .rates =             (SNDRV_PCM_RATE_44100 |
 417                               SNDRV_PCM_RATE_48000),
 418         .rate_min =          44100,
 419         .rate_max =          48000,
 420         .channels_min =      8,
 421         .channels_max =      8,
 422         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 423         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 424         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 425         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 426         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 427         .fifo_size =         0,
 428 };
 429
 430 /*
 431  * Digital input capabilities (ADAT)
 432  */
 433 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
 434 {
 435         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 436                               SNDRV_PCM_INFO_MMAP_VALID |
 437                               SNDRV_PCM_INFO_INTERLEAVED |
 438                               SNDRV_PCM_INFO_PAUSE),
 439         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 440                               SNDRV_PCM_FMTBIT_S32_LE),
 441         .rates =             (SNDRV_PCM_RATE_44100 |
 442                               SNDRV_PCM_RATE_48000),
 443         .rate_min =          44100,
 444         .rate_max =          48000,
 445         .channels_min =      8,
 446         .channels_max =      8,
 447         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 448         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 449         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 450         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 451         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 452         .fifo_size =         0,
 453 };
 454
 455 /*
 456  * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 457  * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 458  * on the falling edge of CCLK and be stable on the rising edge.  The rising
 459  * edge of CLATCH after the last data bit clocks in the whole data word.
 460  * A fast processor could probably drive the SPI interface faster than the
 461  * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 462  * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 463  *
 464  * NOTE: increased delay from 1 to 10, since there where problems setting
 465  * the volume.
 466  */
 467 static void
 468 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
 469 {
 470         int i;
 471
 472         for (i = 0; i < 16; i++) {
 473                 if (val & 0x8000) {
 474                         rme96->areg |= RME96_AR_CDATA;
 475                 } else {
 476                         rme96->areg &= ~RME96_AR_CDATA;
 477                 }
 478                 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 479                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 480                 udelay(10);
 481                 rme96->areg |= RME96_AR_CCLK;
 482                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 483                 udelay(10);
 484                 val <<= 1;
 485         }
 486         rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 487         rme96->areg |= RME96_AR_CLATCH;
 488         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 489         udelay(10);
 490         rme96->areg &= ~RME96_AR_CLATCH;
 491         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 492 }
 493
 494 static void
 495 snd_rme96_apply_dac_volume(struct rme96 *rme96)
 496 {
 497         if (RME96_DAC_IS_1852(rme96)) {
 498                 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 499                 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 500         } else if (RME96_DAC_IS_1855(rme96)) {
 501                 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 502                 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 503         }
 504 }
 505
 506 static void
 507 snd_rme96_reset_dac(struct rme96 *rme96)
 508 {
 509         writel(rme96->wcreg | RME96_WCR_PD,
 510                rme96->iobase + RME96_IO_CONTROL_REGISTER);
 511         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 512 }
 513
 514 static int
 515 snd_rme96_getmontracks(struct rme96 *rme96)
 516 {
 517         return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 518                 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 519 }
 520
 521 static int
 522 snd_rme96_setmontracks(struct rme96 *rme96,
 523                        int montracks)
 524 {
 525         if (montracks & 1) {
 526                 rme96->wcreg |= RME96_WCR_MONITOR_0;
 527         } else {
 528                 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 529         }
 530         if (montracks & 2) {
 531                 rme96->wcreg |= RME96_WCR_MONITOR_1;
 532         } else {
 533                 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 534         }
 535         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 536         return 0;
 537 }
 538
 539 static int
 540 snd_rme96_getattenuation(struct rme96 *rme96)
 541 {
 542         return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 543                 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 544 }
 545
 546 static int
 547 snd_rme96_setattenuation(struct rme96 *rme96,
 548                          int attenuation)
 549 {
 550         switch (attenuation) {
 551         case 0:
 552                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 553                         ~RME96_WCR_GAIN_1;
 554                 break;
 555         case 1:
 556                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 557                         ~RME96_WCR_GAIN_1;
 558                 break;
 559         case 2:
 560                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 561                         RME96_WCR_GAIN_1;
 562                 break;
 563         case 3:
 564                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 565                         RME96_WCR_GAIN_1;
 566                 break;
 567         default:
 568                 return -EINVAL;
 569         }
 570         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 571         return 0;
 572 }
 573
 574 static int
 575 snd_rme96_capture_getrate(struct rme96 *rme96,
 576                           int *is_adat)
 577 {
 578         int n, rate;
 579
 580         *is_adat = 0;
 581         if (rme96->areg & RME96_AR_ANALOG) {
 582                 /* Analog input, overrides S/PDIF setting */
 583                 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 584                         (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 585                 switch (n) {
 586                 case 1:
 587                         rate = 32000;
 588                         break;
 589                 case 2:
 590                         rate = 44100;
 591                         break;
 592                 case 3:
 593                         rate = 48000;
 594                         break;
 595                 default:
 596                         return -1;
 597                 }
 598                 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 599         }
 600
 601         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 602         if (rme96->rcreg & RME96_RCR_LOCK) {
 603                 /* ADAT rate */
 604                 *is_adat = 1;
 605                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 606                         return 48000;
 607                 }
 608                 return 44100;
 609         }
 610
 611         if (rme96->rcreg & RME96_RCR_VERF) {
 612                 return -1;
 613         }
 614
 615         /* S/PDIF rate */
 616         n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 617                 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 618                 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 619
 620         switch (n) {
 621         case 0:
 622                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 623                         return 64000;
 624                 }
 625                 return -1;
 626         case 3: return 96000;
 627         case 4: return 88200;
 628         case 5: return 48000;
 629         case 6: return 44100;
 630         case 7: return 32000;
 631         default:
 632                 break;
 633         }
 634         return -1;
 635 }
 636
 637 static int
 638 snd_rme96_playback_getrate(struct rme96 *rme96)
 639 {
 640         int rate, dummy;
 641
 642         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 643             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 644             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 645         {
 646                 /* slave clock */
 647                 return rate;
 648         }
 649         rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 650                 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 651         switch (rate) {
 652         case 1:
 653                 rate = 32000;
 654                 break;
 655         case 2:
 656                 rate = 44100;
 657                 break;
 658         case 3:
 659                 rate = 48000;
 660                 break;
 661         default:
 662                 return -1;
 663         }
 664         return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 665 }
 666
 667 static int
 668 snd_rme96_playback_setrate(struct rme96 *rme96,
 669                            int rate)
 670 {
 671         int ds;
 672
 673         ds = rme96->wcreg & RME96_WCR_DS;
 674         switch (rate) {
 675         case 32000:
 676                 rme96->wcreg &= ~RME96_WCR_DS;
 677                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 678                         ~RME96_WCR_FREQ_1;
 679                 break;
 680         case 44100:
 681                 rme96->wcreg &= ~RME96_WCR_DS;
 682                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 683                         ~RME96_WCR_FREQ_0;
 684                 break;
 685         case 48000:
 686                 rme96->wcreg &= ~RME96_WCR_DS;
 687                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 688                         RME96_WCR_FREQ_1;
 689                 break;
 690         case 64000:
 691                 rme96->wcreg |= RME96_WCR_DS;
 692                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 693                         ~RME96_WCR_FREQ_1;
 694                 break;
 695         case 88200:
 696                 rme96->wcreg |= RME96_WCR_DS;
 697                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 698                         ~RME96_WCR_FREQ_0;
 699                 break;
 700         case 96000:
 701                 rme96->wcreg |= RME96_WCR_DS;
 702                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 703                         RME96_WCR_FREQ_1;
 704                 break;
 705         default:
 706                 return -EINVAL;
 707         }
 708         if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 709             (ds && !(rme96->wcreg & RME96_WCR_DS)))
 710         {
 711                 /* change to/from double-speed: reset the DAC (if available) */
 712                 snd_rme96_reset_dac(rme96);
 713         } else {
 714                 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 715         }
 716         return 0;
 717 }
 718
 719 static int
 720 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 721                                  int rate)
 722 {
 723         switch (rate) {
 724         case 32000:
 725                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 726                                ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 727                 break;
 728         case 44100:
 729                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 730                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 731                 break;
 732         case 48000:
 733                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 734                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 735                 break;
 736         case 64000:
 737                 if (rme96->rev < 4) {
 738                         return -EINVAL;
 739                 }
 740                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 741                                ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 742                 break;
 743         case 88200:
 744                 if (rme96->rev < 4) {
 745                         return -EINVAL;
 746                 }
 747                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 748                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 749                 break;
 750         case 96000:
 751                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 752                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 753                 break;
 754         default:
 755                 return -EINVAL;
 756         }
 757         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 758         return 0;
 759 }
 760
 761 static int
 762 snd_rme96_setclockmode(struct rme96 *rme96,
 763                        int mode)
 764 {
 765         switch (mode) {
 766         case RME96_CLOCKMODE_SLAVE:
 767                 /* AutoSync */
 768                 rme96->wcreg &= ~RME96_WCR_MASTER;
 769                 rme96->areg &= ~RME96_AR_WSEL;
 770                 break;
 771         case RME96_CLOCKMODE_MASTER:
 772                 /* Internal */
 773                 rme96->wcreg |= RME96_WCR_MASTER;
 774                 rme96->areg &= ~RME96_AR_WSEL;
 775                 break;
 776         case RME96_CLOCKMODE_WORDCLOCK:
 777                 /* Word clock is a master mode */
 778                 rme96->wcreg |= RME96_WCR_MASTER;
 779                 rme96->areg |= RME96_AR_WSEL;
 780                 break;
 781         default:
 782                 return -EINVAL;
 783         }
 784         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 785         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 786         return 0;
 787 }
 788
 789 static int
 790 snd_rme96_getclockmode(struct rme96 *rme96)
 791 {
 792         if (rme96->areg & RME96_AR_WSEL) {
 793                 return RME96_CLOCKMODE_WORDCLOCK;
 794         }
 795         return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 796                 RME96_CLOCKMODE_SLAVE;
 797 }
 798
 799 static int
 800 snd_rme96_setinputtype(struct rme96 *rme96,
 801                        int type)
 802 {
 803         int n;
 804
 805         switch (type) {
 806         case RME96_INPUT_OPTICAL:
 807                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 808                         ~RME96_WCR_INP_1;
 809                 break;
 810         case RME96_INPUT_COAXIAL:
 811                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 812                         ~RME96_WCR_INP_1;
 813                 break;
 814         case RME96_INPUT_INTERNAL:
 815                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 816                         RME96_WCR_INP_1;
 817                 break;
 818         case RME96_INPUT_XLR:
 819                 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 820                      rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 821                     (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 822                      rme96->rev > 4))
 823                 {
 824                         /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 825                         return -EINVAL;
 826                 }
 827                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 828                         RME96_WCR_INP_1;
 829                 break;
 830         case RME96_INPUT_ANALOG:
 831                 if (!RME96_HAS_ANALOG_IN(rme96)) {
 832                         return -EINVAL;
 833                 }
 834                 rme96->areg |= RME96_AR_ANALOG;
 835                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 836                 if (rme96->rev < 4) {
 837                         /*
 838                          * Revision less than 004 does not support 64 and
 839                          * 88.2 kHz
 840                          */
 841                         if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 842                                 snd_rme96_capture_analog_setrate(rme96, 44100);
 843                         }
 844                         if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 845                                 snd_rme96_capture_analog_setrate(rme96, 32000);
 846                         }
 847                 }
 848                 return 0;
 849         default:
 850                 return -EINVAL;
 851         }
 852         if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 853                 rme96->areg &= ~RME96_AR_ANALOG;
 854                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 855         }
 856         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 857         return 0;
 858 }
 859
 860 static int
 861 snd_rme96_getinputtype(struct rme96 *rme96)
 862 {
 863         if (rme96->areg & RME96_AR_ANALOG) {
 864                 return RME96_INPUT_ANALOG;
 865         }
 866         return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 867                 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 868 }
 869
 870 static void
 871 snd_rme96_setframelog(struct rme96 *rme96,
 872                       int n_channels,
 873                       int is_playback)
 874 {
 875         int frlog;
 876
 877         if (n_channels == 2) {
 878                 frlog = 1;
 879         } else {
 880                 /* assume 8 channels */
 881                 frlog = 3;
 882         }
 883         if (is_playback) {
 884                 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 885                 rme96->playback_frlog = frlog;
 886         } else {
 887                 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 888                 rme96->capture_frlog = frlog;
 889         }
 890 }
 891
 892 static int
 893 snd_rme96_playback_setformat(struct rme96 *rme96,
 894                              int format)
 895 {
 896         switch (format) {
 897         case SNDRV_PCM_FORMAT_S16_LE:
 898                 rme96->wcreg &= ~RME96_WCR_MODE24;
 899                 break;
 900         case SNDRV_PCM_FORMAT_S32_LE:
 901                 rme96->wcreg |= RME96_WCR_MODE24;
 902                 break;
 903         default:
 904                 return -EINVAL;
 905         }
 906         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 907         return 0;
 908 }
 909
 910 static int
 911 snd_rme96_capture_setformat(struct rme96 *rme96,
 912                             int format)
 913 {
 914         switch (format) {
 915         case SNDRV_PCM_FORMAT_S16_LE:
 916                 rme96->wcreg &= ~RME96_WCR_MODE24_2;
 917                 break;
 918         case SNDRV_PCM_FORMAT_S32_LE:
 919                 rme96->wcreg |= RME96_WCR_MODE24_2;
 920                 break;
 921         default:
 922                 return -EINVAL;
 923         }
 924         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 925         return 0;
 926 }
 927
 928 static void
 929 snd_rme96_set_period_properties(struct rme96 *rme96,
 930                                 size_t period_bytes)
 931 {
 932         switch (period_bytes) {
 933         case RME96_LARGE_BLOCK_SIZE:
 934                 rme96->wcreg &= ~RME96_WCR_ISEL;
 935                 break;
 936         case RME96_SMALL_BLOCK_SIZE:
 937                 rme96->wcreg |= RME96_WCR_ISEL;
 938                 break;
 939         default:
 940                 snd_BUG();
 941                 break;
 942         }
 943         rme96->wcreg &= ~RME96_WCR_IDIS;
 944         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 945 }
 946
 947 static int
 948 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 949                              struct snd_pcm_hw_params *params)
 950 {
 951         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 952         struct snd_pcm_runtime *runtime = substream->runtime;
 953         int err, rate, dummy;
 954
 955         runtime->dma_area = (void __force *)(rme96->iobase +
 956                                              RME96_IO_PLAY_BUFFER);
 957         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 958         runtime->dma_bytes = RME96_BUFFER_SIZE;
 959
 960         spin_lock_irq(&rme96->lock);
 961         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 962             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 963             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 964         {
 965                 /* slave clock */
 966                 if ((int)params_rate(params) != rate) {
 967                         spin_unlock_irq(&rme96->lock);
 968                         return -EIO;
 969                 }
 970         } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
 971                 spin_unlock_irq(&rme96->lock);
 972                 return err;
 973         }
 974         if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
 975                 spin_unlock_irq(&rme96->lock);
 976                 return err;
 977         }
 978         snd_rme96_setframelog(rme96, params_channels(params), 1);
 979         if (rme96->capture_periodsize != 0) {
 980                 if (params_period_size(params) << rme96->playback_frlog !=
 981                     rme96->capture_periodsize)
 982                 {
 983                         spin_unlock_irq(&rme96->lock);
 984                         return -EBUSY;
 985                 }
 986         }
 987         rme96->playback_periodsize =
 988                 params_period_size(params) << rme96->playback_frlog;
 989         snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
 990         /* S/PDIF setup */
 991         if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
 992                 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
 993                 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 994         }
 995         spin_unlock_irq(&rme96->lock);
 996
 997         return 0;
 998 }
 999
1000 static int
1001 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1002                             struct snd_pcm_hw_params *params)
1003 {
1004         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1005         struct snd_pcm_runtime *runtime = substream->runtime;
1006         int err, isadat, rate;
1007
1008         runtime->dma_area = (void __force *)(rme96->iobase +
1009                                              RME96_IO_REC_BUFFER);
1010         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1011         runtime->dma_bytes = RME96_BUFFER_SIZE;
1012
1013         spin_lock_irq(&rme96->lock);
1014         if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1015                 spin_unlock_irq(&rme96->lock);
1016                 return err;
1017         }
1018         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1019                 if ((err = snd_rme96_capture_analog_setrate(rme96,
1020                                                             params_rate(params))) < 0)
1021                 {
1022                         spin_unlock_irq(&rme96->lock);
1023                         return err;
1024                 }
1025         } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1026                 if ((int)params_rate(params) != rate) {
1027                         spin_unlock_irq(&rme96->lock);
1028                         return -EIO;
1029                 }
1030                 if ((isadat && runtime->hw.channels_min == 2) ||
1031                     (!isadat && runtime->hw.channels_min == 8))
1032                 {
1033                         spin_unlock_irq(&rme96->lock);
1034                         return -EIO;
1035                 }
1036         }
1037         snd_rme96_setframelog(rme96, params_channels(params), 0);
1038         if (rme96->playback_periodsize != 0) {
1039                 if (params_period_size(params) << rme96->capture_frlog !=
1040                     rme96->playback_periodsize)
1041                 {
1042                         spin_unlock_irq(&rme96->lock);
1043                         return -EBUSY;
1044                 }
1045         }
1046         rme96->capture_periodsize =
1047                 params_period_size(params) << rme96->capture_frlog;
1048         snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1049         spin_unlock_irq(&rme96->lock);
1050
1051         return 0;
1052 }
1053
1054 static void
1055 snd_rme96_playback_start(struct rme96 *rme96,
1056                          int from_pause)
1057 {
1058         if (!from_pause) {
1059                 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1060         }
1061
1062         rme96->wcreg |= RME96_WCR_START;
1063         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1064 }
1065
1066 static void
1067 snd_rme96_capture_start(struct rme96 *rme96,
1068                         int from_pause)
1069 {
1070         if (!from_pause) {
1071                 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1072         }
1073
1074         rme96->wcreg |= RME96_WCR_START_2;
1075         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1076 }
1077
1078 static void
1079 snd_rme96_playback_stop(struct rme96 *rme96)
1080 {
1081         /*
1082          * Check if there is an unconfirmed IRQ, if so confirm it, or else
1083          * the hardware will not stop generating interrupts
1084          */
1085         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1086         if (rme96->rcreg & RME96_RCR_IRQ) {
1087                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1088         }
1089         rme96->wcreg &= ~RME96_WCR_START;
1090         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1091 }
1092
1093 static void
1094 snd_rme96_capture_stop(struct rme96 *rme96)
1095 {
1096         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1097         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1098                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1099         }
1100         rme96->wcreg &= ~RME96_WCR_START_2;
1101         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1102 }
1103
1104 static irqreturn_t
1105 snd_rme96_interrupt(int irq,
1106                     void *dev_id)
1107 {
1108         struct rme96 *rme96 = (struct rme96 *)dev_id;
1109
1110         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1111         /* fastpath out, to ease interrupt sharing */
1112         if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1113               (rme96->rcreg & RME96_RCR_IRQ_2)))
1114         {
1115                 return IRQ_NONE;
1116         }
1117
1118         if (rme96->rcreg & RME96_RCR_IRQ) {
1119                 /* playback */
1120                 snd_pcm_period_elapsed(rme96->playback_substream);
1121                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1122         }
1123         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1124                 /* capture */
1125                 snd_pcm_period_elapsed(rme96->capture_substream);
1126                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1127         }
1128         return IRQ_HANDLED;
1129 }
1130
1131 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1132
1133 static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1134         .count = ARRAY_SIZE(period_bytes),
1135         .list = period_bytes,
1136         .mask = 0
1137 };
1138
1139 static void
1140 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1141                                  struct snd_pcm_runtime *runtime)
1142 {
1143         unsigned int size;
1144
1145         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1146                                      RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1147         if ((size = rme96->playback_periodsize) != 0 ||
1148             (size = rme96->capture_periodsize) != 0)
1149                 snd_pcm_hw_constraint_minmax(runtime,
1150                                              SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1151                                              size, size);
1152         else
1153                 snd_pcm_hw_constraint_list(runtime, 0,
1154                                            SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1155                                            &hw_constraints_period_bytes);
1156 }
1157
1158 static int
1159 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1160 {
1161         int rate, dummy;
1162         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1163         struct snd_pcm_runtime *runtime = substream->runtime;
1164
1165         spin_lock_irq(&rme96->lock);
1166         if (rme96->playback_substream != NULL) {
1167                 spin_unlock_irq(&rme96->lock);
1168                 return -EBUSY;
1169         }
1170         rme96->wcreg &= ~RME96_WCR_ADAT;
1171         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1172         rme96->playback_substream = substream;
1173         spin_unlock_irq(&rme96->lock);
1174
1175         runtime->hw = snd_rme96_playback_spdif_info;
1176         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1177             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1178             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1179         {
1180                 /* slave clock */
1181                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1182                 runtime->hw.rate_min = rate;
1183                 runtime->hw.rate_max = rate;
1184         }
1185         rme96_set_buffer_size_constraint(rme96, runtime);
1186
1187         rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1188         rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1189         snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1190                        SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1191         return 0;
1192 }
1193
1194 static int
1195 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1196 {
1197         int isadat, rate;
1198         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1199         struct snd_pcm_runtime *runtime = substream->runtime;
1200
1201         runtime->hw = snd_rme96_capture_spdif_info;
1202         if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1203             (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1204         {
1205                 if (isadat) {
1206                         return -EIO;
1207                 }
1208                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1209                 runtime->hw.rate_min = rate;
1210                 runtime->hw.rate_max = rate;
1211         }
1212
1213         spin_lock_irq(&rme96->lock);
1214         if (rme96->capture_substream != NULL) {
1215                 spin_unlock_irq(&rme96->lock);
1216                 return -EBUSY;
1217         }
1218         rme96->capture_substream = substream;
1219         spin_unlock_irq(&rme96->lock);
1220
1221         rme96_set_buffer_size_constraint(rme96, runtime);
1222         return 0;
1223 }
1224
1225 static int
1226 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1227 {
1228         int rate, dummy;
1229         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1230         struct snd_pcm_runtime *runtime = substream->runtime;
1231
1232         spin_lock_irq(&rme96->lock);
1233         if (rme96->playback_substream != NULL) {
1234                 spin_unlock_irq(&rme96->lock);
1235                 return -EBUSY;
1236         }
1237         rme96->wcreg |= RME96_WCR_ADAT;
1238         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1239         rme96->playback_substream = substream;
1240         spin_unlock_irq(&rme96->lock);
1241
1242         runtime->hw = snd_rme96_playback_adat_info;
1243         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1244             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1245             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1246         {
1247                 /* slave clock */
1248                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1249                 runtime->hw.rate_min = rate;
1250                 runtime->hw.rate_max = rate;
1251         }
1252         rme96_set_buffer_size_constraint(rme96, runtime);
1253         return 0;
1254 }
1255
1256 static int
1257 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1258 {
1259         int isadat, rate;
1260         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1261         struct snd_pcm_runtime *runtime = substream->runtime;
1262
1263         runtime->hw = snd_rme96_capture_adat_info;
1264         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1265                 /* makes no sense to use analog input. Note that analog
1266                    expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1267                 return -EIO;
1268         }
1269         if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1270                 if (!isadat) {
1271                         return -EIO;
1272                 }
1273                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1274                 runtime->hw.rate_min = rate;
1275                 runtime->hw.rate_max = rate;
1276         }
1277
1278         spin_lock_irq(&rme96->lock);
1279         if (rme96->capture_substream != NULL) {
1280                 spin_unlock_irq(&rme96->lock);
1281                 return -EBUSY;
1282         }
1283         rme96->capture_substream = substream;
1284         spin_unlock_irq(&rme96->lock);
1285
1286         rme96_set_buffer_size_constraint(rme96, runtime);
1287         return 0;
1288 }
1289
1290 static int
1291 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1292 {
1293         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1294         int spdif = 0;
1295
1296         spin_lock_irq(&rme96->lock);
1297         if (RME96_ISPLAYING(rme96)) {
1298                 snd_rme96_playback_stop(rme96);
1299         }
1300         rme96->playback_substream = NULL;
1301         rme96->playback_periodsize = 0;
1302         spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1303         spin_unlock_irq(&rme96->lock);
1304         if (spdif) {
1305                 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1306                 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1307                                SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1308         }
1309         return 0;
1310 }
1311
1312 static int
1313 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1314 {
1315         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1316
1317         spin_lock_irq(&rme96->lock);
1318         if (RME96_ISRECORDING(rme96)) {
1319                 snd_rme96_capture_stop(rme96);
1320         }
1321         rme96->capture_substream = NULL;
1322         rme96->capture_periodsize = 0;
1323         spin_unlock_irq(&rme96->lock);
1324         return 0;
1325 }
1326
1327 static int
1328 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1329 {
1330         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1331
1332         spin_lock_irq(&rme96->lock);
1333         if (RME96_ISPLAYING(rme96)) {
1334                 snd_rme96_playback_stop(rme96);
1335         }
1336         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1337         spin_unlock_irq(&rme96->lock);
1338         return 0;
1339 }
1340
1341 static int
1342 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1343 {
1344         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1345
1346         spin_lock_irq(&rme96->lock);
1347         if (RME96_ISRECORDING(rme96)) {
1348                 snd_rme96_capture_stop(rme96);
1349         }
1350         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1351         spin_unlock_irq(&rme96->lock);
1352         return 0;
1353 }
1354
1355 static int
1356 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1357                            int cmd)
1358 {
1359         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1360
1361         switch (cmd) {
1362         case SNDRV_PCM_TRIGGER_START:
1363                 if (!RME96_ISPLAYING(rme96)) {
1364                         if (substream != rme96->playback_substream) {
1365                                 return -EBUSY;
1366                         }
1367                         snd_rme96_playback_start(rme96, 0);
1368                 }
1369                 break;
1370
1371         case SNDRV_PCM_TRIGGER_STOP:
1372                 if (RME96_ISPLAYING(rme96)) {
1373                         if (substream != rme96->playback_substream) {
1374                                 return -EBUSY;
1375                         }
1376                         snd_rme96_playback_stop(rme96);
1377                 }
1378                 break;
1379
1380         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1381                 if (RME96_ISPLAYING(rme96)) {
1382                         snd_rme96_playback_stop(rme96);
1383                 }
1384                 break;
1385
1386         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1387                 if (!RME96_ISPLAYING(rme96)) {
1388                         snd_rme96_playback_start(rme96, 1);
1389                 }
1390                 break;
1391
1392         default:
1393                 return -EINVAL;
1394         }
1395         return 0;
1396 }
1397
1398 static int
1399 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1400                           int cmd)
1401 {
1402         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1403
1404         switch (cmd) {
1405         case SNDRV_PCM_TRIGGER_START:
1406                 if (!RME96_ISRECORDING(rme96)) {
1407                         if (substream != rme96->capture_substream) {
1408                                 return -EBUSY;
1409                         }
1410                         snd_rme96_capture_start(rme96, 0);
1411                 }
1412                 break;
1413
1414         case SNDRV_PCM_TRIGGER_STOP:
1415                 if (RME96_ISRECORDING(rme96)) {
1416                         if (substream != rme96->capture_substream) {
1417                                 return -EBUSY;
1418                         }
1419                         snd_rme96_capture_stop(rme96);
1420                 }
1421                 break;
1422
1423         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1424                 if (RME96_ISRECORDING(rme96)) {
1425                         snd_rme96_capture_stop(rme96);
1426                 }
1427                 break;
1428
1429         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1430                 if (!RME96_ISRECORDING(rme96)) {
1431                         snd_rme96_capture_start(rme96, 1);
1432                 }
1433                 break;
1434
1435         default:
1436                 return -EINVAL;
1437         }
1438
1439         return 0;
1440 }
1441
1442 static snd_pcm_uframes_t
1443 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1444 {
1445         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1446         return snd_rme96_playback_ptr(rme96);
1447 }
1448
1449 static snd_pcm_uframes_t
1450 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1451 {
1452         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1453         return snd_rme96_capture_ptr(rme96);
1454 }
1455
1456 static struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1457         .open =         snd_rme96_playback_spdif_open,
1458         .close =        snd_rme96_playback_close,
1459         .ioctl =        snd_pcm_lib_ioctl,
1460         .hw_params =    snd_rme96_playback_hw_params,
1461         .prepare =      snd_rme96_playback_prepare,
1462         .trigger =      snd_rme96_playback_trigger,
1463         .pointer =      snd_rme96_playback_pointer,
1464         .copy =         snd_rme96_playback_copy,
1465         .silence =      snd_rme96_playback_silence,
1466         .mmap =         snd_pcm_lib_mmap_iomem,
1467 };
1468
1469 static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1470         .open =         snd_rme96_capture_spdif_open,
1471         .close =        snd_rme96_capture_close,
1472         .ioctl =        snd_pcm_lib_ioctl,
1473         .hw_params =    snd_rme96_capture_hw_params,
1474         .prepare =      snd_rme96_capture_prepare,
1475         .trigger =      snd_rme96_capture_trigger,
1476         .pointer =      snd_rme96_capture_pointer,
1477         .copy =         snd_rme96_capture_copy,
1478         .mmap =         snd_pcm_lib_mmap_iomem,
1479 };
1480
1481 static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1482         .open =         snd_rme96_playback_adat_open,
1483         .close =        snd_rme96_playback_close,
1484         .ioctl =        snd_pcm_lib_ioctl,
1485         .hw_params =    snd_rme96_playback_hw_params,
1486         .prepare =      snd_rme96_playback_prepare,
1487         .trigger =      snd_rme96_playback_trigger,
1488         .pointer =      snd_rme96_playback_pointer,
1489         .copy =         snd_rme96_playback_copy,
1490         .silence =      snd_rme96_playback_silence,
1491         .mmap =         snd_pcm_lib_mmap_iomem,
1492 };
1493
1494 static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1495         .open =         snd_rme96_capture_adat_open,
1496         .close =        snd_rme96_capture_close,
1497         .ioctl =        snd_pcm_lib_ioctl,
1498         .hw_params =    snd_rme96_capture_hw_params,
1499         .prepare =      snd_rme96_capture_prepare,
1500         .trigger =      snd_rme96_capture_trigger,
1501         .pointer =      snd_rme96_capture_pointer,
1502         .copy =         snd_rme96_capture_copy,
1503         .mmap =         snd_pcm_lib_mmap_iomem,
1504 };
1505
1506 static void
1507 snd_rme96_free(void *private_data)
1508 {
1509         struct rme96 *rme96 = (struct rme96 *)private_data;
1510
1511         if (rme96 == NULL) {
1512                 return;
1513         }
1514         if (rme96->irq >= 0) {
1515                 snd_rme96_playback_stop(rme96);
1516                 snd_rme96_capture_stop(rme96);
1517                 rme96->areg &= ~RME96_AR_DAC_EN;
1518                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1519                 free_irq(rme96->irq, (void *)rme96);
1520                 rme96->irq = -1;
1521         }
1522         if (rme96->iobase) {
1523                 iounmap(rme96->iobase);
1524                 rme96->iobase = NULL;
1525         }
1526         if (rme96->port) {
1527                 pci_release_regions(rme96->pci);
1528                 rme96->port = 0;
1529         }
1530         pci_disable_device(rme96->pci);
1531 }
1532
1533 static void
1534 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1535 {
1536         struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1537         rme96->spdif_pcm = NULL;
1538 }
1539
1540 static void
1541 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1542 {
1543         struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1544         rme96->adat_pcm = NULL;
1545 }
1546
1547 static int __devinit
1548 snd_rme96_create(struct rme96 *rme96)
1549 {
1550         struct pci_dev *pci = rme96->pci;
1551         int err;
1552
1553         rme96->irq = -1;
1554         spin_lock_init(&rme96->lock);
1555
1556         if ((err = pci_enable_device(pci)) < 0)
1557                 return err;
1558
1559         if ((err = pci_request_regions(pci, "RME96")) < 0)
1560                 return err;
1561         rme96->port = pci_resource_start(rme96->pci, 0);
1562
1563         if ((rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE)) == 0) {
1564                 snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
1565                 return -ENOMEM;
1566         }
1567
1568         if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1569                         "RME96", rme96)) {
1570                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1571                 return -EBUSY;
1572         }
1573         rme96->irq = pci->irq;
1574
1575         /* read the card's revision number */
1576         pci_read_config_byte(pci, 8, &rme96->rev);
1577
1578         /* set up ALSA pcm device for S/PDIF */
1579         if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1580                                1, 1, &rme96->spdif_pcm)) < 0)
1581         {
1582                 return err;
1583         }
1584         rme96->spdif_pcm->private_data = rme96;
1585         rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1586         strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1587         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1588         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1589
1590         rme96->spdif_pcm->info_flags = 0;
1591
1592         /* set up ALSA pcm device for ADAT */
1593         if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1594                 /* ADAT is not available on the base model */
1595                 rme96->adat_pcm = NULL;
1596         } else {
1597                 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1598                                        1, 1, &rme96->adat_pcm)) < 0)
1599                 {
1600                         return err;
1601                 }
1602                 rme96->adat_pcm->private_data = rme96;
1603                 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1604                 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1605                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1606                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1607
1608                 rme96->adat_pcm->info_flags = 0;
1609         }
1610
1611         rme96->playback_periodsize = 0;
1612         rme96->capture_periodsize = 0;
1613
1614         /* make sure playback/capture is stopped, if by some reason active */
1615         snd_rme96_playback_stop(rme96);
1616         snd_rme96_capture_stop(rme96);
1617
1618         /* set default values in registers */
1619         rme96->wcreg =
1620                 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1621                 RME96_WCR_SEL |    /* normal playback */
1622                 RME96_WCR_MASTER | /* set to master clock mode */
1623                 RME96_WCR_INP_0;   /* set coaxial input */
1624
1625         rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1626
1627         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1628         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1629
1630         /* reset the ADC */
1631         writel(rme96->areg | RME96_AR_PD2,
1632                rme96->iobase + RME96_IO_ADDITIONAL_REG);
1633         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1634
1635         /* reset and enable the DAC (order is important). */
1636         snd_rme96_reset_dac(rme96);
1637         rme96->areg |= RME96_AR_DAC_EN;
1638         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1639
1640         /* reset playback and record buffer pointers */
1641         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1642         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1643
1644         /* reset volume */
1645         rme96->vol[0] = rme96->vol[1] = 0;
1646         if (RME96_HAS_ANALOG_OUT(rme96)) {
1647                 snd_rme96_apply_dac_volume(rme96);
1648         }
1649
1650         /* init switch interface */
1651         if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1652                 return err;
1653         }
1654
1655         /* init proc interface */
1656         snd_rme96_proc_init(rme96);
1657
1658         return 0;
1659 }
1660
1661 /*
1662  * proc interface
1663  */
1664
1665 static void
1666 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1667 {
1668         int n;
1669         struct rme96 *rme96 = (struct rme96 *)entry->private_data;
1670
1671         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1672
1673         snd_iprintf(buffer, rme96->card->longname);
1674         snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1675
1676         snd_iprintf(buffer, "\nGeneral settings\n");
1677         if (rme96->wcreg & RME96_WCR_IDIS) {
1678                 snd_iprintf(buffer, "  period size: N/A (interrupts "
1679                             "disabled)\n");
1680         } else if (rme96->wcreg & RME96_WCR_ISEL) {
1681                 snd_iprintf(buffer, "  period size: 2048 bytes\n");
1682         } else {
1683                 snd_iprintf(buffer, "  period size: 8192 bytes\n");
1684         }
1685         snd_iprintf(buffer, "\nInput settings\n");
1686         switch (snd_rme96_getinputtype(rme96)) {
1687         case RME96_INPUT_OPTICAL:
1688                 snd_iprintf(buffer, "  input: optical");
1689                 break;
1690         case RME96_INPUT_COAXIAL:
1691                 snd_iprintf(buffer, "  input: coaxial");
1692                 break;
1693         case RME96_INPUT_INTERNAL:
1694                 snd_iprintf(buffer, "  input: internal");
1695                 break;
1696         case RME96_INPUT_XLR:
1697                 snd_iprintf(buffer, "  input: XLR");
1698                 break;
1699         case RME96_INPUT_ANALOG:
1700                 snd_iprintf(buffer, "  input: analog");
1701                 break;
1702         }
1703         if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1704                 snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1705         } else {
1706                 if (n) {
1707                         snd_iprintf(buffer, " (8 channels)\n");
1708                 } else {
1709                         snd_iprintf(buffer, " (2 channels)\n");
1710                 }
1711                 snd_iprintf(buffer, "  sample rate: %d Hz\n",
1712                             snd_rme96_capture_getrate(rme96, &n));
1713         }
1714         if (rme96->wcreg & RME96_WCR_MODE24_2) {
1715                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1716         } else {
1717                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1718         }
1719
1720         snd_iprintf(buffer, "\nOutput settings\n");
1721         if (rme96->wcreg & RME96_WCR_SEL) {
1722                 snd_iprintf(buffer, "  output signal: normal playback\n");
1723         } else {
1724                 snd_iprintf(buffer, "  output signal: same as input\n");
1725         }
1726         snd_iprintf(buffer, "  sample rate: %d Hz\n",
1727                     snd_rme96_playback_getrate(rme96));
1728         if (rme96->wcreg & RME96_WCR_MODE24) {
1729                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1730         } else {
1731                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1732         }
1733         if (rme96->areg & RME96_AR_WSEL) {
1734                 snd_iprintf(buffer, "  sample clock source: word clock\n");
1735         } else if (rme96->wcreg & RME96_WCR_MASTER) {
1736                 snd_iprintf(buffer, "  sample clock source: internal\n");
1737         } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1738                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1739         } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1740                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1741         } else {
1742                 snd_iprintf(buffer, "  sample clock source: autosync\n");
1743         }
1744         if (rme96->wcreg & RME96_WCR_PRO) {
1745                 snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1746         } else {
1747                 snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1748         }
1749         if (rme96->wcreg & RME96_WCR_EMP) {
1750                 snd_iprintf(buffer, "  emphasis: on\n");
1751         } else {
1752                 snd_iprintf(buffer, "  emphasis: off\n");
1753         }
1754         if (rme96->wcreg & RME96_WCR_DOLBY) {
1755                 snd_iprintf(buffer, "  non-audio (dolby): on\n");
1756         } else {
1757                 snd_iprintf(buffer, "  non-audio (dolby): off\n");
1758         }
1759         if (RME96_HAS_ANALOG_IN(rme96)) {
1760                 snd_iprintf(buffer, "\nAnalog output settings\n");
1761                 switch (snd_rme96_getmontracks(rme96)) {
1762                 case RME96_MONITOR_TRACKS_1_2:
1763                         snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1764                         break;
1765                 case RME96_MONITOR_TRACKS_3_4:
1766                         snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1767                         break;
1768                 case RME96_MONITOR_TRACKS_5_6:
1769                         snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1770                         break;
1771                 case RME96_MONITOR_TRACKS_7_8:
1772                         snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1773                         break;
1774                 }
1775                 switch (snd_rme96_getattenuation(rme96)) {
1776                 case RME96_ATTENUATION_0:
1777                         snd_iprintf(buffer, "  attenuation: 0 dB\n");
1778                         break;
1779                 case RME96_ATTENUATION_6:
1780                         snd_iprintf(buffer, "  attenuation: -6 dB\n");
1781                         break;
1782                 case RME96_ATTENUATION_12:
1783                         snd_iprintf(buffer, "  attenuation: -12 dB\n");
1784                         break;
1785                 case RME96_ATTENUATION_18:
1786                         snd_iprintf(buffer, "  attenuation: -18 dB\n");
1787                         break;
1788                 }
1789                 snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1790                 snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1791         }
1792 }
1793
1794 static void __devinit
1795 snd_rme96_proc_init(struct rme96 *rme96)
1796 {
1797         struct snd_info_entry *entry;
1798
1799         if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1800                 snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1801 }
1802
1803 /*
1804  * control interface
1805  */
1806
1807 #define snd_rme96_info_loopback_control         snd_ctl_boolean_mono_info
1808
1809 static int
1810 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1811 {
1812         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1813
1814         spin_lock_irq(&rme96->lock);
1815         ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1816         spin_unlock_irq(&rme96->lock);
1817         return 0;
1818 }
1819 static int
1820 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1821 {
1822         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1823         unsigned int val;
1824         int change;
1825
1826         val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1827         spin_lock_irq(&rme96->lock);
1828         val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1829         change = val != rme96->wcreg;
1830         rme96->wcreg = val;
1831         writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1832         spin_unlock_irq(&rme96->lock);
1833         return change;
1834 }
1835
1836 static int
1837 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1838 {
1839         static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
1840         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1841         char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
1842
1843         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1844         uinfo->count = 1;
1845         switch (rme96->pci->device) {
1846         case PCI_DEVICE_ID_RME_DIGI96:
1847         case PCI_DEVICE_ID_RME_DIGI96_8:
1848                 uinfo->value.enumerated.items = 3;
1849                 break;
1850         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1851                 uinfo->value.enumerated.items = 4;
1852                 break;
1853         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1854                 if (rme96->rev > 4) {
1855                         /* PST */
1856                         uinfo->value.enumerated.items = 4;
1857                         texts[3] = _texts[4]; /* Analog instead of XLR */
1858                 } else {
1859                         /* PAD */
1860                         uinfo->value.enumerated.items = 5;
1861                 }
1862                 break;
1863         default:
1864                 snd_BUG();
1865                 break;
1866         }
1867         if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
1868                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1869         }
1870         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1871         return 0;
1872 }
1873 static int
1874 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1875 {
1876         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1877         unsigned int items = 3;
1878
1879         spin_lock_irq(&rme96->lock);
1880         ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1881
1882         switch (rme96->pci->device) {
1883         case PCI_DEVICE_ID_RME_DIGI96:
1884         case PCI_DEVICE_ID_RME_DIGI96_8:
1885                 items = 3;
1886                 break;
1887         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1888                 items = 4;
1889                 break;
1890         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1891                 if (rme96->rev > 4) {
1892                         /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1893                         if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1894                                 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1895                         }
1896                         items = 4;
1897                 } else {
1898                         items = 5;
1899                 }
1900                 break;
1901         default:
1902                 snd_BUG();
1903                 break;
1904         }
1905         if (ucontrol->value.enumerated.item[0] >= items) {
1906                 ucontrol->value.enumerated.item[0] = items - 1;
1907         }
1908
1909         spin_unlock_irq(&rme96->lock);
1910         return 0;
1911 }
1912 static int
1913 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1914 {
1915         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1916         unsigned int val;
1917         int change, items = 3;
1918
1919         switch (rme96->pci->device) {
1920         case PCI_DEVICE_ID_RME_DIGI96:
1921         case PCI_DEVICE_ID_RME_DIGI96_8:
1922                 items = 3;
1923                 break;
1924         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1925                 items = 4;
1926                 break;
1927         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1928                 if (rme96->rev > 4) {
1929                         items = 4;
1930                 } else {
1931                         items = 5;
1932                 }
1933                 break;
1934         default:
1935                 snd_BUG();
1936                 break;
1937         }
1938         val = ucontrol->value.enumerated.item[0] % items;
1939
1940         /* special case for PST */
1941         if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1942                 if (val == RME96_INPUT_XLR) {
1943                         val = RME96_INPUT_ANALOG;
1944                 }
1945         }
1946
1947         spin_lock_irq(&rme96->lock);
1948         change = (int)val != snd_rme96_getinputtype(rme96);
1949         snd_rme96_setinputtype(rme96, val);
1950         spin_unlock_irq(&rme96->lock);
1951         return change;
1952 }
1953
1954 static int
1955 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1956 {
1957         static char *texts[3] = { "AutoSync", "Internal", "Word" };
1958
1959         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1960         uinfo->count = 1;
1961         uinfo->value.enumerated.items = 3;
1962         if (uinfo->value.enumerated.item > 2) {
1963                 uinfo->value.enumerated.item = 2;
1964         }
1965         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1966         return 0;
1967 }
1968 static int
1969 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1970 {
1971         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1972
1973         spin_lock_irq(&rme96->lock);
1974         ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1975         spin_unlock_irq(&rme96->lock);
1976         return 0;
1977 }
1978 static int
1979 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1980 {
1981         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1982         unsigned int val;
1983         int change;
1984
1985         val = ucontrol->value.enumerated.item[0] % 3;
1986         spin_lock_irq(&rme96->lock);
1987         change = (int)val != snd_rme96_getclockmode(rme96);
1988         snd_rme96_setclockmode(rme96, val);
1989         spin_unlock_irq(&rme96->lock);
1990         return change;
1991 }
1992
1993 static int
1994 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1995 {
1996         static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
1997
1998         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1999         uinfo->count = 1;
2000         uinfo->value.enumerated.items = 4;
2001         if (uinfo->value.enumerated.item > 3) {
2002                 uinfo->value.enumerated.item = 3;
2003         }
2004         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2005         return 0;
2006 }
2007 static int
2008 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2009 {
2010         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2011
2012         spin_lock_irq(&rme96->lock);
2013         ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2014         spin_unlock_irq(&rme96->lock);
2015         return 0;
2016 }
2017 static int
2018 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2019 {
2020         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2021         unsigned int val;
2022         int change;
2023
2024         val = ucontrol->value.enumerated.item[0] % 4;
2025         spin_lock_irq(&rme96->lock);
2026
2027         change = (int)val != snd_rme96_getattenuation(rme96);
2028         snd_rme96_setattenuation(rme96, val);
2029         spin_unlock_irq(&rme96->lock);
2030         return change;
2031 }
2032
2033 static int
2034 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2035 {
2036         static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2037
2038         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2039         uinfo->count = 1;
2040         uinfo->value.enumerated.items = 4;
2041         if (uinfo->value.enumerated.item > 3) {
2042                 uinfo->value.enumerated.item = 3;
2043         }
2044         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2045         return 0;
2046 }
2047 static int
2048 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2049 {
2050         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2051
2052         spin_lock_irq(&rme96->lock);
2053         ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2054         spin_unlock_irq(&rme96->lock);
2055         return 0;
2056 }
2057 static int
2058 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2059 {
2060         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2061         unsigned int val;
2062         int change;
2063
2064         val = ucontrol->value.enumerated.item[0] % 4;
2065         spin_lock_irq(&rme96->lock);
2066         change = (int)val != snd_rme96_getmontracks(rme96);
2067         snd_rme96_setmontracks(rme96, val);
2068         spin_unlock_irq(&rme96->lock);
2069         return change;
2070 }
2071
2072 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2073 {
2074         u32 val = 0;
2075         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2076         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2077         if (val & RME96_WCR_PRO)
2078                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2079         else
2080                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2081         return val;
2082 }
2083
2084 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2085 {
2086         aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2087                          ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2088         if (val & RME96_WCR_PRO)
2089                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2090         else
2091                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2092 }
2093
2094 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2095 {
2096         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2097         uinfo->count = 1;
2098         return 0;
2099 }
2100
2101 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2102 {
2103         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2104
2105         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2106         return 0;
2107 }
2108
2109 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2110 {
2111         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2112         int change;
2113         u32 val;
2114
2115         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2116         spin_lock_irq(&rme96->lock);
2117         change = val != rme96->wcreg_spdif;
2118         rme96->wcreg_spdif = val;
2119         spin_unlock_irq(&rme96->lock);
2120         return change;
2121 }
2122
2123 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2124 {
2125         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2126         uinfo->count = 1;
2127         return 0;
2128 }
2129
2130 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2131 {
2132         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2133
2134         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2135         return 0;
2136 }
2137
2138 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139 {
2140         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2141         int change;
2142         u32 val;
2143
2144         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2145         spin_lock_irq(&rme96->lock);
2146         change = val != rme96->wcreg_spdif_stream;
2147         rme96->wcreg_spdif_stream = val;
2148         rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2149         rme96->wcreg |= val;
2150         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2151         spin_unlock_irq(&rme96->lock);
2152         return change;
2153 }
2154
2155 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2163 {
2164         ucontrol->value.iec958.status[0] = kcontrol->private_value;
2165         return 0;
2166 }
2167
2168 static int
2169 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2170 {
2171         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2172
2173         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2174         uinfo->count = 2;
2175         uinfo->value.integer.min = 0;
2176         uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2177         return 0;
2178 }
2179
2180 static int
2181 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2182 {
2183         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2184
2185         spin_lock_irq(&rme96->lock);
2186         u->value.integer.value[0] = rme96->vol[0];
2187         u->value.integer.value[1] = rme96->vol[1];
2188         spin_unlock_irq(&rme96->lock);
2189
2190         return 0;
2191 }
2192
2193 static int
2194 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2195 {
2196         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2197         int change = 0;
2198         unsigned int vol, maxvol;
2199
2200
2201         if (!RME96_HAS_ANALOG_OUT(rme96))
2202                 return -EINVAL;
2203         maxvol = RME96_185X_MAX_OUT(rme96);
2204         spin_lock_irq(&rme96->lock);
2205         vol = u->value.integer.value[0];
2206         if (vol != rme96->vol[0] && vol <= maxvol) {
2207                 rme96->vol[0] = vol;
2208                 change = 1;
2209         }
2210         vol = u->value.integer.value[1];
2211         if (vol != rme96->vol[1] && vol <= maxvol) {
2212                 rme96->vol[1] = vol;
2213                 change = 1;
2214         }
2215         if (change)
2216                 snd_rme96_apply_dac_volume(rme96);
2217         spin_unlock_irq(&rme96->lock);
2218
2219         return change;
2220 }
2221
2222 static struct snd_kcontrol_new snd_rme96_controls[] = {
2223 {
2224         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2225         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2226         .info =         snd_rme96_control_spdif_info,
2227         .get =          snd_rme96_control_spdif_get,
2228         .put =          snd_rme96_control_spdif_put
2229 },
2230 {
2231         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2232         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2233         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2234         .info =         snd_rme96_control_spdif_stream_info,
2235         .get =          snd_rme96_control_spdif_stream_get,
2236         .put =          snd_rme96_control_spdif_stream_put
2237 },
2238 {
2239         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2240         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2241         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2242         .info =         snd_rme96_control_spdif_mask_info,
2243         .get =          snd_rme96_control_spdif_mask_get,
2244         .private_value = IEC958_AES0_NONAUDIO |
2245                         IEC958_AES0_PROFESSIONAL |
2246                         IEC958_AES0_CON_EMPHASIS
2247 },
2248 {
2249         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2250         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2251         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2252         .info =         snd_rme96_control_spdif_mask_info,
2253         .get =          snd_rme96_control_spdif_mask_get,
2254         .private_value = IEC958_AES0_NONAUDIO |
2255                         IEC958_AES0_PROFESSIONAL |
2256                         IEC958_AES0_PRO_EMPHASIS
2257 },
2258 {
2259         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2260         .name =         "Input Connector",
2261         .info =         snd_rme96_info_inputtype_control,
2262         .get =          snd_rme96_get_inputtype_control,
2263         .put =          snd_rme96_put_inputtype_control
2264 },
2265 {
2266         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2267         .name =         "Loopback Input",
2268         .info =         snd_rme96_info_loopback_control,
2269         .get =          snd_rme96_get_loopback_control,
2270         .put =          snd_rme96_put_loopback_control
2271 },
2272 {
2273         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2274         .name =         "Sample Clock Source",
2275         .info =         snd_rme96_info_clockmode_control,
2276         .get =          snd_rme96_get_clockmode_control,
2277         .put =          snd_rme96_put_clockmode_control
2278 },
2279 {
2280         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2281         .name =         "Monitor Tracks",
2282         .info =         snd_rme96_info_montracks_control,
2283         .get =          snd_rme96_get_montracks_control,
2284         .put =          snd_rme96_put_montracks_control
2285 },
2286 {
2287         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2288         .name =         "Attenuation",
2289         .info =         snd_rme96_info_attenuation_control,
2290         .get =          snd_rme96_get_attenuation_control,
2291         .put =          snd_rme96_put_attenuation_control
2292 },
2293 {
2294         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2295         .name =         "DAC Playback Volume",
2296         .info =         snd_rme96_dac_volume_info,
2297         .get =          snd_rme96_dac_volume_get,
2298         .put =          snd_rme96_dac_volume_put
2299 }
2300 };
2301
2302 static int
2303 snd_rme96_create_switches(struct snd_card *card,
2304                           struct rme96 *rme96)
2305 {
2306         int idx, err;
2307         struct snd_kcontrol *kctl;
2308
2309         for (idx = 0; idx < 7; idx++) {
2310                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2311                         return err;
2312                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
2313                         rme96->spdif_ctl = kctl;
2314         }
2315
2316         if (RME96_HAS_ANALOG_OUT(rme96)) {
2317                 for (idx = 7; idx < 10; idx++)
2318                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2319                                 return err;
2320         }
2321
2322         return 0;
2323 }
2324
2325 /*
2326  * Card initialisation
2327  */
2328
2329 static void snd_rme96_card_free(struct snd_card *card)
2330 {
2331         snd_rme96_free(card->private_data);
2332 }
2333
2334 static int __devinit
2335 snd_rme96_probe(struct pci_dev *pci,
2336                 const struct pci_device_id *pci_id)
2337 {
2338         static int dev;
2339         struct rme96 *rme96;
2340         struct snd_card *card;
2341         int err;
2342         u8 val;
2343
2344         if (dev >= SNDRV_CARDS) {
2345                 return -ENODEV;
2346         }
2347         if (!enable[dev]) {
2348                 dev++;
2349                 return -ENOENT;
2350         }
2351         if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
2352                                  sizeof(struct rme96))) == NULL)
2353                 return -ENOMEM;
2354         card->private_free = snd_rme96_card_free;
2355         rme96 = (struct rme96 *)card->private_data;
2356         rme96->card = card;
2357         rme96->pci = pci;
2358         snd_card_set_dev(card, &pci->dev);
2359         if ((err = snd_rme96_create(rme96)) < 0) {
2360                 snd_card_free(card);
2361                 return err;
2362         }
2363
2364         strcpy(card->driver, "Digi96");
2365         switch (rme96->pci->device) {
2366         case PCI_DEVICE_ID_RME_DIGI96:
2367                 strcpy(card->shortname, "RME Digi96");
2368                 break;
2369         case PCI_DEVICE_ID_RME_DIGI96_8:
2370                 strcpy(card->shortname, "RME Digi96/8");
2371                 break;
2372         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2373                 strcpy(card->shortname, "RME Digi96/8 PRO");
2374                 break;
2375         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2376                 pci_read_config_byte(rme96->pci, 8, &val);
2377                 if (val < 5) {
2378                         strcpy(card->shortname, "RME Digi96/8 PAD");
2379                 } else {
2380                         strcpy(card->shortname, "RME Digi96/8 PST");
2381                 }
2382                 break;
2383         }
2384         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2385                 rme96->port, rme96->irq);
2386
2387         if ((err = snd_card_register(card)) < 0) {
2388                 snd_card_free(card);
2389                 return err;
2390         }
2391         pci_set_drvdata(pci, card);
2392         dev++;
2393         return 0;
2394 }
2395
2396 static void __devexit snd_rme96_remove(struct pci_dev *pci)
2397 {
2398         snd_card_free(pci_get_drvdata(pci));
2399         pci_set_drvdata(pci, NULL);
2400 }
2401
2402 static struct pci_driver driver = {
2403         .name = "RME Digi96",
2404         .id_table = snd_rme96_ids,
2405         .probe = snd_rme96_probe,
2406         .remove = __devexit_p(snd_rme96_remove),
2407 };
2408
2409 static int __init alsa_card_rme96_init(void)
2410 {
2411         return pci_register_driver(&driver);
2412 }
2413
2414 static void __exit alsa_card_rme96_exit(void)
2415 {
2416         pci_unregister_driver(&driver);
2417 }
2418
2419 module_init(alsa_card_rme96_init)
2420 module_exit(alsa_card_rme96_exit)