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 <linux/delay.h>
  27 #include <linux/init.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/pci.h>
  30 #include <linux/module.h>
  31 #include <linux/vmalloc.h>
  32 #include <linux/io.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 /* note, two last pcis should be equal, it is not a bug */
  43
  44 MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
  45 MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
  46                    "Digi96/8 PAD");
  47 MODULE_LICENSE("GPL");
  48 MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
  49                 "{RME,Digi96/8},"
  50                 "{RME,Digi96/8 PRO},"
  51                 "{RME,Digi96/8 PST},"
  52                 "{RME,Digi96/8 PAD}}");
  53
  54 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  55 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  56 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  57
  58 module_param_array(index, int, NULL, 0444);
  59 MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
  60 module_param_array(id, charp, NULL, 0444);
  61 MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
  62 module_param_array(enable, bool, NULL, 0444);
  63 MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
  64
  65 /*
  66  * Defines for RME Digi96 series, from internal RME reference documents
  67  * dated 12.01.00
  68  */
  69
  70 #define RME96_SPDIF_NCHANNELS 2
  71
  72 /* Playback and capture buffer size */
  73 #define RME96_BUFFER_SIZE 0x10000
  74
  75 /* IO area size */
  76 #define RME96_IO_SIZE 0x60000
  77
  78 /* IO area offsets */
  79 #define RME96_IO_PLAY_BUFFER      0x0
  80 #define RME96_IO_REC_BUFFER       0x10000
  81 #define RME96_IO_CONTROL_REGISTER 0x20000
  82 #define RME96_IO_ADDITIONAL_REG   0x20004
  83 #define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
  84 #define RME96_IO_CONFIRM_REC_IRQ  0x2000C
  85 #define RME96_IO_SET_PLAY_POS     0x40000
  86 #define RME96_IO_RESET_PLAY_POS   0x4FFFC
  87 #define RME96_IO_SET_REC_POS      0x50000
  88 #define RME96_IO_RESET_REC_POS    0x5FFFC
  89 #define RME96_IO_GET_PLAY_POS     0x20000
  90 #define RME96_IO_GET_REC_POS      0x30000
  91
  92 /* Write control register bits */
  93 #define RME96_WCR_START     (1 << 0)
  94 #define RME96_WCR_START_2   (1 << 1)
  95 #define RME96_WCR_GAIN_0    (1 << 2)
  96 #define RME96_WCR_GAIN_1    (1 << 3)
  97 #define RME96_WCR_MODE24    (1 << 4)
  98 #define RME96_WCR_MODE24_2  (1 << 5)
  99 #define RME96_WCR_BM        (1 << 6)
 100 #define RME96_WCR_BM_2      (1 << 7)
 101 #define RME96_WCR_ADAT      (1 << 8)
 102 #define RME96_WCR_FREQ_0    (1 << 9)
 103 #define RME96_WCR_FREQ_1    (1 << 10)
 104 #define RME96_WCR_DS        (1 << 11)
 105 #define RME96_WCR_PRO       (1 << 12)
 106 #define RME96_WCR_EMP       (1 << 13)
 107 #define RME96_WCR_SEL       (1 << 14)
 108 #define RME96_WCR_MASTER    (1 << 15)
 109 #define RME96_WCR_PD        (1 << 16)
 110 #define RME96_WCR_INP_0     (1 << 17)
 111 #define RME96_WCR_INP_1     (1 << 18)
 112 #define RME96_WCR_THRU_0    (1 << 19)
 113 #define RME96_WCR_THRU_1    (1 << 20)
 114 #define RME96_WCR_THRU_2    (1 << 21)
 115 #define RME96_WCR_THRU_3    (1 << 22)
 116 #define RME96_WCR_THRU_4    (1 << 23)
 117 #define RME96_WCR_THRU_5    (1 << 24)
 118 #define RME96_WCR_THRU_6    (1 << 25)
 119 #define RME96_WCR_THRU_7    (1 << 26)
 120 #define RME96_WCR_DOLBY     (1 << 27)
 121 #define RME96_WCR_MONITOR_0 (1 << 28)
 122 #define RME96_WCR_MONITOR_1 (1 << 29)
 123 #define RME96_WCR_ISEL      (1 << 30)
 124 #define RME96_WCR_IDIS      (1 << 31)
 125
 126 #define RME96_WCR_BITPOS_GAIN_0 2
 127 #define RME96_WCR_BITPOS_GAIN_1 3
 128 #define RME96_WCR_BITPOS_FREQ_0 9
 129 #define RME96_WCR_BITPOS_FREQ_1 10
 130 #define RME96_WCR_BITPOS_INP_0 17
 131 #define RME96_WCR_BITPOS_INP_1 18
 132 #define RME96_WCR_BITPOS_MONITOR_0 28
 133 #define RME96_WCR_BITPOS_MONITOR_1 29
 134
 135 /* Read control register bits */
 136 #define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
 137 #define RME96_RCR_IRQ_2     (1 << 16)
 138 #define RME96_RCR_T_OUT     (1 << 17)
 139 #define RME96_RCR_DEV_ID_0  (1 << 21)
 140 #define RME96_RCR_DEV_ID_1  (1 << 22)
 141 #define RME96_RCR_LOCK      (1 << 23)
 142 #define RME96_RCR_VERF      (1 << 26)
 143 #define RME96_RCR_F0        (1 << 27)
 144 #define RME96_RCR_F1        (1 << 28)
 145 #define RME96_RCR_F2        (1 << 29)
 146 #define RME96_RCR_AUTOSYNC  (1 << 30)
 147 #define RME96_RCR_IRQ       (1 << 31)
 148
 149 #define RME96_RCR_BITPOS_F0 27
 150 #define RME96_RCR_BITPOS_F1 28
 151 #define RME96_RCR_BITPOS_F2 29
 152
 153 /* Additional register bits */
 154 #define RME96_AR_WSEL       (1 << 0)
 155 #define RME96_AR_ANALOG     (1 << 1)
 156 #define RME96_AR_FREQPAD_0  (1 << 2)
 157 #define RME96_AR_FREQPAD_1  (1 << 3)
 158 #define RME96_AR_FREQPAD_2  (1 << 4)
 159 #define RME96_AR_PD2        (1 << 5)
 160 #define RME96_AR_DAC_EN     (1 << 6)
 161 #define RME96_AR_CLATCH     (1 << 7)
 162 #define RME96_AR_CCLK       (1 << 8)
 163 #define RME96_AR_CDATA      (1 << 9)
 164
 165 #define RME96_AR_BITPOS_F0 2
 166 #define RME96_AR_BITPOS_F1 3
 167 #define RME96_AR_BITPOS_F2 4
 168
 169 /* Monitor tracks */
 170 #define RME96_MONITOR_TRACKS_1_2 0
 171 #define RME96_MONITOR_TRACKS_3_4 1
 172 #define RME96_MONITOR_TRACKS_5_6 2
 173 #define RME96_MONITOR_TRACKS_7_8 3
 174
 175 /* Attenuation */
 176 #define RME96_ATTENUATION_0 0
 177 #define RME96_ATTENUATION_6 1
 178 #define RME96_ATTENUATION_12 2
 179 #define RME96_ATTENUATION_18 3
 180
 181 /* Input types */
 182 #define RME96_INPUT_OPTICAL 0
 183 #define RME96_INPUT_COAXIAL 1
 184 #define RME96_INPUT_INTERNAL 2
 185 #define RME96_INPUT_XLR 3
 186 #define RME96_INPUT_ANALOG 4
 187
 188 /* Clock modes */
 189 #define RME96_CLOCKMODE_SLAVE 0
 190 #define RME96_CLOCKMODE_MASTER 1
 191 #define RME96_CLOCKMODE_WORDCLOCK 2
 192
 193 /* Block sizes in bytes */
 194 #define RME96_SMALL_BLOCK_SIZE 2048
 195 #define RME96_LARGE_BLOCK_SIZE 8192
 196
 197 /* Volume control */
 198 #define RME96_AD1852_VOL_BITS 14
 199 #define RME96_AD1855_VOL_BITS 10
 200
 201 /* Defines for snd_rme96_trigger */
 202 #define RME96_TB_START_PLAYBACK 1
 203 #define RME96_TB_START_CAPTURE 2
 204 #define RME96_TB_STOP_PLAYBACK 4
 205 #define RME96_TB_STOP_CAPTURE 8
 206 #define RME96_TB_RESET_PLAYPOS 16
 207 #define RME96_TB_RESET_CAPTUREPOS 32
 208 #define RME96_TB_CLEAR_PLAYBACK_IRQ 64
 209 #define RME96_TB_CLEAR_CAPTURE_IRQ 128
 210 #define RME96_RESUME_PLAYBACK   (RME96_TB_START_PLAYBACK)
 211 #define RME96_RESUME_CAPTURE    (RME96_TB_START_CAPTURE)
 212 #define RME96_RESUME_BOTH       (RME96_RESUME_PLAYBACK \
 213                                 | RME96_RESUME_CAPTURE)
 214 #define RME96_START_PLAYBACK    (RME96_TB_START_PLAYBACK \
 215                                 | RME96_TB_RESET_PLAYPOS)
 216 #define RME96_START_CAPTURE     (RME96_TB_START_CAPTURE \
 217                                 | RME96_TB_RESET_CAPTUREPOS)
 218 #define RME96_START_BOTH        (RME96_START_PLAYBACK \
 219                                 | RME96_START_CAPTURE)
 220 #define RME96_STOP_PLAYBACK     (RME96_TB_STOP_PLAYBACK \
 221                                 | RME96_TB_CLEAR_PLAYBACK_IRQ)
 222 #define RME96_STOP_CAPTURE      (RME96_TB_STOP_CAPTURE \
 223                                 | RME96_TB_CLEAR_CAPTURE_IRQ)
 224 #define RME96_STOP_BOTH         (RME96_STOP_PLAYBACK \
 225                                 | RME96_STOP_CAPTURE)
 226
 227 struct rme96 {
 228         spinlock_t    lock;
 229         int irq;
 230         unsigned long port;
 231         void __iomem *iobase;
 232
 233         u32 wcreg;    /* cached write control register value */
 234         u32 wcreg_spdif;                /* S/PDIF setup */
 235         u32 wcreg_spdif_stream;         /* S/PDIF setup (temporary) */
 236         u32 rcreg;    /* cached read control register value */
 237         u32 areg;     /* cached additional register value */
 238         u16 vol[2]; /* cached volume of analog output */
 239
 240         u8 rev; /* card revision number */
 241
 242 #ifdef CONFIG_PM_SLEEP
 243         u32 playback_pointer;
 244         u32 capture_pointer;
 245         void *playback_suspend_buffer;
 246         void *capture_suspend_buffer;
 247 #endif
 248
 249         struct snd_pcm_substream *playback_substream;
 250         struct snd_pcm_substream *capture_substream;
 251
 252         int playback_frlog; /* log2 of framesize */
 253         int capture_frlog;
 254
 255         size_t playback_periodsize; /* in bytes, zero if not used */
 256         size_t capture_periodsize; /* in bytes, zero if not used */
 257
 258         struct snd_card *card;
 259         struct snd_pcm *spdif_pcm;
 260         struct snd_pcm *adat_pcm;
 261         struct pci_dev     *pci;
 262         struct snd_kcontrol   *spdif_ctl;
 263 };
 264
 265 static const struct pci_device_id snd_rme96_ids[] = {
 266         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
 267         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
 268         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
 269         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
 270         { 0, }
 271 };
 272
 273 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
 274
 275 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
 276 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
 277 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 278 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
 279                                      (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 280 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
 281 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
 282                                   ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
 283 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
 284
 285 static int
 286 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
 287
 288 static int
 289 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
 290
 291 static int
 292 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
 293                            int cmd);
 294
 295 static int
 296 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
 297                           int cmd);
 298
 299 static snd_pcm_uframes_t
 300 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
 301
 302 static snd_pcm_uframes_t
 303 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
 304
 305 static void snd_rme96_proc_init(struct rme96 *rme96);
 306
 307 static int
 308 snd_rme96_create_switches(struct snd_card *card,
 309                           struct rme96 *rme96);
 310
 311 static int
 312 snd_rme96_getinputtype(struct rme96 *rme96);
 313
 314 static inline unsigned int
 315 snd_rme96_playback_ptr(struct rme96 *rme96)
 316 {
 317         return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
 318                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
 319 }
 320
 321 static inline unsigned int
 322 snd_rme96_capture_ptr(struct rme96 *rme96)
 323 {
 324         return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
 325                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
 326 }
 327
 328 static int
 329 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
 330                            int channel, /* not used (interleaved data) */
 331                            snd_pcm_uframes_t pos,
 332                            snd_pcm_uframes_t count)
 333 {
 334         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 335         count <<= rme96->playback_frlog;
 336         pos <<= rme96->playback_frlog;
 337         memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 338                   0, count);
 339         return 0;
 340 }
 341
 342 static int
 343 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
 344                         int channel, /* not used (interleaved data) */
 345                         snd_pcm_uframes_t pos,
 346                         void __user *src,
 347                         snd_pcm_uframes_t count)
 348 {
 349         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 350         count <<= rme96->playback_frlog;
 351         pos <<= rme96->playback_frlog;
 352         return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
 353                                    count);
 354 }
 355
 356 static int
 357 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 358                        int channel, /* not used (interleaved data) */
 359                        snd_pcm_uframes_t pos,
 360                        void __user *dst,
 361                        snd_pcm_uframes_t count)
 362 {
 363         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 364         count <<= rme96->capture_frlog;
 365         pos <<= rme96->capture_frlog;
 366         return copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
 367                                    count);
 368 }
 369
 370 /*
 371  * Digital output capabilities (S/PDIF)
 372  */
 373 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 374 {
 375         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 376                               SNDRV_PCM_INFO_MMAP_VALID |
 377                               SNDRV_PCM_INFO_SYNC_START |
 378                               SNDRV_PCM_INFO_RESUME |
 379                               SNDRV_PCM_INFO_INTERLEAVED |
 380                               SNDRV_PCM_INFO_PAUSE),
 381         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 382                               SNDRV_PCM_FMTBIT_S32_LE),
 383         .rates =             (SNDRV_PCM_RATE_32000 |
 384                               SNDRV_PCM_RATE_44100 |
 385                               SNDRV_PCM_RATE_48000 |
 386                               SNDRV_PCM_RATE_64000 |
 387                               SNDRV_PCM_RATE_88200 |
 388                               SNDRV_PCM_RATE_96000),
 389         .rate_min =          32000,
 390         .rate_max =          96000,
 391         .channels_min =      2,
 392         .channels_max =      2,
 393         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 394         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 395         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 396         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 397         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 398         .fifo_size =         0,
 399 };
 400
 401 /*
 402  * Digital input capabilities (S/PDIF)
 403  */
 404 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 405 {
 406         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 407                               SNDRV_PCM_INFO_MMAP_VALID |
 408                               SNDRV_PCM_INFO_SYNC_START |
 409                               SNDRV_PCM_INFO_RESUME |
 410                               SNDRV_PCM_INFO_INTERLEAVED |
 411                               SNDRV_PCM_INFO_PAUSE),
 412         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 413                               SNDRV_PCM_FMTBIT_S32_LE),
 414         .rates =             (SNDRV_PCM_RATE_32000 |
 415                               SNDRV_PCM_RATE_44100 |
 416                               SNDRV_PCM_RATE_48000 |
 417                               SNDRV_PCM_RATE_64000 |
 418                               SNDRV_PCM_RATE_88200 |
 419                               SNDRV_PCM_RATE_96000),
 420         .rate_min =          32000,
 421         .rate_max =          96000,
 422         .channels_min =      2,
 423         .channels_max =      2,
 424         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 425         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 426         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 427         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 428         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 429         .fifo_size =         0,
 430 };
 431
 432 /*
 433  * Digital output capabilities (ADAT)
 434  */
 435 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
 436 {
 437         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 438                               SNDRV_PCM_INFO_MMAP_VALID |
 439                               SNDRV_PCM_INFO_SYNC_START |
 440                               SNDRV_PCM_INFO_RESUME |
 441                               SNDRV_PCM_INFO_INTERLEAVED |
 442                               SNDRV_PCM_INFO_PAUSE),
 443         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 444                               SNDRV_PCM_FMTBIT_S32_LE),
 445         .rates =             (SNDRV_PCM_RATE_44100 |
 446                               SNDRV_PCM_RATE_48000),
 447         .rate_min =          44100,
 448         .rate_max =          48000,
 449         .channels_min =      8,
 450         .channels_max =      8,
 451         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 452         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 453         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 454         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 455         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 456         .fifo_size =         0,
 457 };
 458
 459 /*
 460  * Digital input capabilities (ADAT)
 461  */
 462 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
 463 {
 464         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 465                               SNDRV_PCM_INFO_MMAP_VALID |
 466                               SNDRV_PCM_INFO_SYNC_START |
 467                               SNDRV_PCM_INFO_RESUME |
 468                               SNDRV_PCM_INFO_INTERLEAVED |
 469                               SNDRV_PCM_INFO_PAUSE),
 470         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 471                               SNDRV_PCM_FMTBIT_S32_LE),
 472         .rates =             (SNDRV_PCM_RATE_44100 |
 473                               SNDRV_PCM_RATE_48000),
 474         .rate_min =          44100,
 475         .rate_max =          48000,
 476         .channels_min =      8,
 477         .channels_max =      8,
 478         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 479         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 480         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 481         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 482         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 483         .fifo_size =         0,
 484 };
 485
 486 /*
 487  * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 488  * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 489  * on the falling edge of CCLK and be stable on the rising edge.  The rising
 490  * edge of CLATCH after the last data bit clocks in the whole data word.
 491  * A fast processor could probably drive the SPI interface faster than the
 492  * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 493  * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 494  *
 495  * NOTE: increased delay from 1 to 10, since there where problems setting
 496  * the volume.
 497  */
 498 static void
 499 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
 500 {
 501         int i;
 502
 503         for (i = 0; i < 16; i++) {
 504                 if (val & 0x8000) {
 505                         rme96->areg |= RME96_AR_CDATA;
 506                 } else {
 507                         rme96->areg &= ~RME96_AR_CDATA;
 508                 }
 509                 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 510                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 511                 udelay(10);
 512                 rme96->areg |= RME96_AR_CCLK;
 513                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 514                 udelay(10);
 515                 val <<= 1;
 516         }
 517         rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 518         rme96->areg |= RME96_AR_CLATCH;
 519         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 520         udelay(10);
 521         rme96->areg &= ~RME96_AR_CLATCH;
 522         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 523 }
 524
 525 static void
 526 snd_rme96_apply_dac_volume(struct rme96 *rme96)
 527 {
 528         if (RME96_DAC_IS_1852(rme96)) {
 529                 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 530                 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 531         } else if (RME96_DAC_IS_1855(rme96)) {
 532                 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 533                 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 534         }
 535 }
 536
 537 static void
 538 snd_rme96_reset_dac(struct rme96 *rme96)
 539 {
 540         writel(rme96->wcreg | RME96_WCR_PD,
 541                rme96->iobase + RME96_IO_CONTROL_REGISTER);
 542         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 543 }
 544
 545 static int
 546 snd_rme96_getmontracks(struct rme96 *rme96)
 547 {
 548         return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 549                 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 550 }
 551
 552 static int
 553 snd_rme96_setmontracks(struct rme96 *rme96,
 554                        int montracks)
 555 {
 556         if (montracks & 1) {
 557                 rme96->wcreg |= RME96_WCR_MONITOR_0;
 558         } else {
 559                 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 560         }
 561         if (montracks & 2) {
 562                 rme96->wcreg |= RME96_WCR_MONITOR_1;
 563         } else {
 564                 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 565         }
 566         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 567         return 0;
 568 }
 569
 570 static int
 571 snd_rme96_getattenuation(struct rme96 *rme96)
 572 {
 573         return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 574                 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 575 }
 576
 577 static int
 578 snd_rme96_setattenuation(struct rme96 *rme96,
 579                          int attenuation)
 580 {
 581         switch (attenuation) {
 582         case 0:
 583                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 584                         ~RME96_WCR_GAIN_1;
 585                 break;
 586         case 1:
 587                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 588                         ~RME96_WCR_GAIN_1;
 589                 break;
 590         case 2:
 591                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 592                         RME96_WCR_GAIN_1;
 593                 break;
 594         case 3:
 595                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 596                         RME96_WCR_GAIN_1;
 597                 break;
 598         default:
 599                 return -EINVAL;
 600         }
 601         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 602         return 0;
 603 }
 604
 605 static int
 606 snd_rme96_capture_getrate(struct rme96 *rme96,
 607                           int *is_adat)
 608 {
 609         int n, rate;
 610
 611         *is_adat = 0;
 612         if (rme96->areg & RME96_AR_ANALOG) {
 613                 /* Analog input, overrides S/PDIF setting */
 614                 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 615                         (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 616                 switch (n) {
 617                 case 1:
 618                         rate = 32000;
 619                         break;
 620                 case 2:
 621                         rate = 44100;
 622                         break;
 623                 case 3:
 624                         rate = 48000;
 625                         break;
 626                 default:
 627                         return -1;
 628                 }
 629                 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 630         }
 631
 632         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 633         if (rme96->rcreg & RME96_RCR_LOCK) {
 634                 /* ADAT rate */
 635                 *is_adat = 1;
 636                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 637                         return 48000;
 638                 }
 639                 return 44100;
 640         }
 641
 642         if (rme96->rcreg & RME96_RCR_VERF) {
 643                 return -1;
 644         }
 645
 646         /* S/PDIF rate */
 647         n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 648                 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 649                 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 650
 651         switch (n) {
 652         case 0:
 653                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 654                         return 64000;
 655                 }
 656                 return -1;
 657         case 3: return 96000;
 658         case 4: return 88200;
 659         case 5: return 48000;
 660         case 6: return 44100;
 661         case 7: return 32000;
 662         default:
 663                 break;
 664         }
 665         return -1;
 666 }
 667
 668 static int
 669 snd_rme96_playback_getrate(struct rme96 *rme96)
 670 {
 671         int rate, dummy;
 672
 673         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 674             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 675             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 676         {
 677                 /* slave clock */
 678                 return rate;
 679         }
 680         rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 681                 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 682         switch (rate) {
 683         case 1:
 684                 rate = 32000;
 685                 break;
 686         case 2:
 687                 rate = 44100;
 688                 break;
 689         case 3:
 690                 rate = 48000;
 691                 break;
 692         default:
 693                 return -1;
 694         }
 695         return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 696 }
 697
 698 static int
 699 snd_rme96_playback_setrate(struct rme96 *rme96,
 700                            int rate)
 701 {
 702         int ds;
 703
 704         ds = rme96->wcreg & RME96_WCR_DS;
 705         switch (rate) {
 706         case 32000:
 707                 rme96->wcreg &= ~RME96_WCR_DS;
 708                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 709                         ~RME96_WCR_FREQ_1;
 710                 break;
 711         case 44100:
 712                 rme96->wcreg &= ~RME96_WCR_DS;
 713                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 714                         ~RME96_WCR_FREQ_0;
 715                 break;
 716         case 48000:
 717                 rme96->wcreg &= ~RME96_WCR_DS;
 718                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 719                         RME96_WCR_FREQ_1;
 720                 break;
 721         case 64000:
 722                 rme96->wcreg |= RME96_WCR_DS;
 723                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 724                         ~RME96_WCR_FREQ_1;
 725                 break;
 726         case 88200:
 727                 rme96->wcreg |= RME96_WCR_DS;
 728                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 729                         ~RME96_WCR_FREQ_0;
 730                 break;
 731         case 96000:
 732                 rme96->wcreg |= RME96_WCR_DS;
 733                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 734                         RME96_WCR_FREQ_1;
 735                 break;
 736         default:
 737                 return -EINVAL;
 738         }
 739         if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 740             (ds && !(rme96->wcreg & RME96_WCR_DS)))
 741         {
 742                 /* change to/from double-speed: reset the DAC (if available) */
 743                 snd_rme96_reset_dac(rme96);
 744         } else {
 745                 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 746         }
 747         return 0;
 748 }
 749
 750 static int
 751 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 752                                  int rate)
 753 {
 754         switch (rate) {
 755         case 32000:
 756                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 757                                ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 758                 break;
 759         case 44100:
 760                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 761                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 762                 break;
 763         case 48000:
 764                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 765                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 766                 break;
 767         case 64000:
 768                 if (rme96->rev < 4) {
 769                         return -EINVAL;
 770                 }
 771                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 772                                ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 773                 break;
 774         case 88200:
 775                 if (rme96->rev < 4) {
 776                         return -EINVAL;
 777                 }
 778                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 779                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 780                 break;
 781         case 96000:
 782                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 783                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 784                 break;
 785         default:
 786                 return -EINVAL;
 787         }
 788         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 789         return 0;
 790 }
 791
 792 static int
 793 snd_rme96_setclockmode(struct rme96 *rme96,
 794                        int mode)
 795 {
 796         switch (mode) {
 797         case RME96_CLOCKMODE_SLAVE:
 798                 /* AutoSync */
 799                 rme96->wcreg &= ~RME96_WCR_MASTER;
 800                 rme96->areg &= ~RME96_AR_WSEL;
 801                 break;
 802         case RME96_CLOCKMODE_MASTER:
 803                 /* Internal */
 804                 rme96->wcreg |= RME96_WCR_MASTER;
 805                 rme96->areg &= ~RME96_AR_WSEL;
 806                 break;
 807         case RME96_CLOCKMODE_WORDCLOCK:
 808                 /* Word clock is a master mode */
 809                 rme96->wcreg |= RME96_WCR_MASTER;
 810                 rme96->areg |= RME96_AR_WSEL;
 811                 break;
 812         default:
 813                 return -EINVAL;
 814         }
 815         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 816         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 817         return 0;
 818 }
 819
 820 static int
 821 snd_rme96_getclockmode(struct rme96 *rme96)
 822 {
 823         if (rme96->areg & RME96_AR_WSEL) {
 824                 return RME96_CLOCKMODE_WORDCLOCK;
 825         }
 826         return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 827                 RME96_CLOCKMODE_SLAVE;
 828 }
 829
 830 static int
 831 snd_rme96_setinputtype(struct rme96 *rme96,
 832                        int type)
 833 {
 834         int n;
 835
 836         switch (type) {
 837         case RME96_INPUT_OPTICAL:
 838                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 839                         ~RME96_WCR_INP_1;
 840                 break;
 841         case RME96_INPUT_COAXIAL:
 842                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 843                         ~RME96_WCR_INP_1;
 844                 break;
 845         case RME96_INPUT_INTERNAL:
 846                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 847                         RME96_WCR_INP_1;
 848                 break;
 849         case RME96_INPUT_XLR:
 850                 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 851                      rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 852                     (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 853                      rme96->rev > 4))
 854                 {
 855                         /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 856                         return -EINVAL;
 857                 }
 858                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 859                         RME96_WCR_INP_1;
 860                 break;
 861         case RME96_INPUT_ANALOG:
 862                 if (!RME96_HAS_ANALOG_IN(rme96)) {
 863                         return -EINVAL;
 864                 }
 865                 rme96->areg |= RME96_AR_ANALOG;
 866                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 867                 if (rme96->rev < 4) {
 868                         /*
 869                          * Revision less than 004 does not support 64 and
 870                          * 88.2 kHz
 871                          */
 872                         if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 873                                 snd_rme96_capture_analog_setrate(rme96, 44100);
 874                         }
 875                         if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 876                                 snd_rme96_capture_analog_setrate(rme96, 32000);
 877                         }
 878                 }
 879                 return 0;
 880         default:
 881                 return -EINVAL;
 882         }
 883         if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 884                 rme96->areg &= ~RME96_AR_ANALOG;
 885                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 886         }
 887         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 888         return 0;
 889 }
 890
 891 static int
 892 snd_rme96_getinputtype(struct rme96 *rme96)
 893 {
 894         if (rme96->areg & RME96_AR_ANALOG) {
 895                 return RME96_INPUT_ANALOG;
 896         }
 897         return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 898                 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 899 }
 900
 901 static void
 902 snd_rme96_setframelog(struct rme96 *rme96,
 903                       int n_channels,
 904                       int is_playback)
 905 {
 906         int frlog;
 907
 908         if (n_channels == 2) {
 909                 frlog = 1;
 910         } else {
 911                 /* assume 8 channels */
 912                 frlog = 3;
 913         }
 914         if (is_playback) {
 915                 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 916                 rme96->playback_frlog = frlog;
 917         } else {
 918                 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 919                 rme96->capture_frlog = frlog;
 920         }
 921 }
 922
 923 static int
 924 snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 925 {
 926         switch (format) {
 927         case SNDRV_PCM_FORMAT_S16_LE:
 928                 rme96->wcreg &= ~RME96_WCR_MODE24;
 929                 break;
 930         case SNDRV_PCM_FORMAT_S32_LE:
 931                 rme96->wcreg |= RME96_WCR_MODE24;
 932                 break;
 933         default:
 934                 return -EINVAL;
 935         }
 936         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 937         return 0;
 938 }
 939
 940 static int
 941 snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 942 {
 943         switch (format) {
 944         case SNDRV_PCM_FORMAT_S16_LE:
 945                 rme96->wcreg &= ~RME96_WCR_MODE24_2;
 946                 break;
 947         case SNDRV_PCM_FORMAT_S32_LE:
 948                 rme96->wcreg |= RME96_WCR_MODE24_2;
 949                 break;
 950         default:
 951                 return -EINVAL;
 952         }
 953         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 954         return 0;
 955 }
 956
 957 static void
 958 snd_rme96_set_period_properties(struct rme96 *rme96,
 959                                 size_t period_bytes)
 960 {
 961         switch (period_bytes) {
 962         case RME96_LARGE_BLOCK_SIZE:
 963                 rme96->wcreg &= ~RME96_WCR_ISEL;
 964                 break;
 965         case RME96_SMALL_BLOCK_SIZE:
 966                 rme96->wcreg |= RME96_WCR_ISEL;
 967                 break;
 968         default:
 969                 snd_BUG();
 970                 break;
 971         }
 972         rme96->wcreg &= ~RME96_WCR_IDIS;
 973         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 974 }
 975
 976 static int
 977 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 978                              struct snd_pcm_hw_params *params)
 979 {
 980         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 981         struct snd_pcm_runtime *runtime = substream->runtime;
 982         int err, rate, dummy;
 983
 984         runtime->dma_area = (void __force *)(rme96->iobase +
 985                                              RME96_IO_PLAY_BUFFER);
 986         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 987         runtime->dma_bytes = RME96_BUFFER_SIZE;
 988
 989         spin_lock_irq(&rme96->lock);
 990         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 991             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 992             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 993         {
 994                 /* slave clock */
 995                 if ((int)params_rate(params) != rate) {
 996                         spin_unlock_irq(&rme96->lock);
 997                         return -EIO;
 998                 }
 999         } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
1000                 spin_unlock_irq(&rme96->lock);
1001                 return err;
1002         }
1003         if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
1004                 spin_unlock_irq(&rme96->lock);
1005                 return err;
1006         }
1007         snd_rme96_setframelog(rme96, params_channels(params), 1);
1008         if (rme96->capture_periodsize != 0) {
1009                 if (params_period_size(params) << rme96->playback_frlog !=
1010                     rme96->capture_periodsize)
1011                 {
1012                         spin_unlock_irq(&rme96->lock);
1013                         return -EBUSY;
1014                 }
1015         }
1016         rme96->playback_periodsize =
1017                 params_period_size(params) << rme96->playback_frlog;
1018         snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1019         /* S/PDIF setup */
1020         if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1021                 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1022                 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1023         }
1024         spin_unlock_irq(&rme96->lock);
1025
1026         return 0;
1027 }
1028
1029 static int
1030 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1031                             struct snd_pcm_hw_params *params)
1032 {
1033         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1034         struct snd_pcm_runtime *runtime = substream->runtime;
1035         int err, isadat, rate;
1036
1037         runtime->dma_area = (void __force *)(rme96->iobase +
1038                                              RME96_IO_REC_BUFFER);
1039         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1040         runtime->dma_bytes = RME96_BUFFER_SIZE;
1041
1042         spin_lock_irq(&rme96->lock);
1043         if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1044                 spin_unlock_irq(&rme96->lock);
1045                 return err;
1046         }
1047         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1048                 if ((err = snd_rme96_capture_analog_setrate(rme96,
1049                                                             params_rate(params))) < 0)
1050                 {
1051                         spin_unlock_irq(&rme96->lock);
1052                         return err;
1053                 }
1054         } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1055                 if ((int)params_rate(params) != rate) {
1056                         spin_unlock_irq(&rme96->lock);
1057                         return -EIO;
1058                 }
1059                 if ((isadat && runtime->hw.channels_min == 2) ||
1060                     (!isadat && runtime->hw.channels_min == 8))
1061                 {
1062                         spin_unlock_irq(&rme96->lock);
1063                         return -EIO;
1064                 }
1065         }
1066         snd_rme96_setframelog(rme96, params_channels(params), 0);
1067         if (rme96->playback_periodsize != 0) {
1068                 if (params_period_size(params) << rme96->capture_frlog !=
1069                     rme96->playback_periodsize)
1070                 {
1071                         spin_unlock_irq(&rme96->lock);
1072                         return -EBUSY;
1073                 }
1074         }
1075         rme96->capture_periodsize =
1076                 params_period_size(params) << rme96->capture_frlog;
1077         snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1078         spin_unlock_irq(&rme96->lock);
1079
1080         return 0;
1081 }
1082
1083 static void
1084 snd_rme96_trigger(struct rme96 *rme96,
1085                   int op)
1086 {
1087         if (op & RME96_TB_RESET_PLAYPOS)
1088                 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1089         if (op & RME96_TB_RESET_CAPTUREPOS)
1090                 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1091         if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1092                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1093                 if (rme96->rcreg & RME96_RCR_IRQ)
1094                         writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1095         }
1096         if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1097                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1098                 if (rme96->rcreg & RME96_RCR_IRQ_2)
1099                         writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1100         }
1101         if (op & RME96_TB_START_PLAYBACK)
1102                 rme96->wcreg |= RME96_WCR_START;
1103         if (op & RME96_TB_STOP_PLAYBACK)
1104                 rme96->wcreg &= ~RME96_WCR_START;
1105         if (op & RME96_TB_START_CAPTURE)
1106                 rme96->wcreg |= RME96_WCR_START_2;
1107         if (op & RME96_TB_STOP_CAPTURE)
1108                 rme96->wcreg &= ~RME96_WCR_START_2;
1109         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1110 }
1111
1112
1113
1114 static irqreturn_t
1115 snd_rme96_interrupt(int irq,
1116                     void *dev_id)
1117 {
1118         struct rme96 *rme96 = (struct rme96 *)dev_id;
1119
1120         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1121         /* fastpath out, to ease interrupt sharing */
1122         if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1123               (rme96->rcreg & RME96_RCR_IRQ_2)))
1124         {
1125                 return IRQ_NONE;
1126         }
1127
1128         if (rme96->rcreg & RME96_RCR_IRQ) {
1129                 /* playback */
1130                 snd_pcm_period_elapsed(rme96->playback_substream);
1131                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1132         }
1133         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1134                 /* capture */
1135                 snd_pcm_period_elapsed(rme96->capture_substream);
1136                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1137         }
1138         return IRQ_HANDLED;
1139 }
1140
1141 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1142
1143 static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1144         .count = ARRAY_SIZE(period_bytes),
1145         .list = period_bytes,
1146         .mask = 0
1147 };
1148
1149 static void
1150 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1151                                  struct snd_pcm_runtime *runtime)
1152 {
1153         unsigned int size;
1154
1155         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1156                                      RME96_BUFFER_SIZE);
1157         if ((size = rme96->playback_periodsize) != 0 ||
1158             (size = rme96->capture_periodsize) != 0)
1159                 snd_pcm_hw_constraint_single(runtime,
1160                                              SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1161                                              size);
1162         else
1163                 snd_pcm_hw_constraint_list(runtime, 0,
1164                                            SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1165                                            &hw_constraints_period_bytes);
1166 }
1167
1168 static int
1169 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1170 {
1171         int rate, dummy;
1172         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1173         struct snd_pcm_runtime *runtime = substream->runtime;
1174
1175         snd_pcm_set_sync(substream);
1176         spin_lock_irq(&rme96->lock);
1177         if (rme96->playback_substream != NULL) {
1178                 spin_unlock_irq(&rme96->lock);
1179                 return -EBUSY;
1180         }
1181         rme96->wcreg &= ~RME96_WCR_ADAT;
1182         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1183         rme96->playback_substream = substream;
1184         spin_unlock_irq(&rme96->lock);
1185
1186         runtime->hw = snd_rme96_playback_spdif_info;
1187         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1188             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1189             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1190         {
1191                 /* slave clock */
1192                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1193                 runtime->hw.rate_min = rate;
1194                 runtime->hw.rate_max = rate;
1195         }
1196         rme96_set_buffer_size_constraint(rme96, runtime);
1197
1198         rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1199         rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1200         snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1201                        SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1202         return 0;
1203 }
1204
1205 static int
1206 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1207 {
1208         int isadat, rate;
1209         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1210         struct snd_pcm_runtime *runtime = substream->runtime;
1211
1212         snd_pcm_set_sync(substream);
1213         runtime->hw = snd_rme96_capture_spdif_info;
1214         if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1215             (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1216         {
1217                 if (isadat) {
1218                         return -EIO;
1219                 }
1220                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1221                 runtime->hw.rate_min = rate;
1222                 runtime->hw.rate_max = rate;
1223         }
1224
1225         spin_lock_irq(&rme96->lock);
1226         if (rme96->capture_substream != NULL) {
1227                 spin_unlock_irq(&rme96->lock);
1228                 return -EBUSY;
1229         }
1230         rme96->capture_substream = substream;
1231         spin_unlock_irq(&rme96->lock);
1232
1233         rme96_set_buffer_size_constraint(rme96, runtime);
1234         return 0;
1235 }
1236
1237 static int
1238 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1239 {
1240         int rate, dummy;
1241         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1242         struct snd_pcm_runtime *runtime = substream->runtime;
1243
1244         snd_pcm_set_sync(substream);
1245         spin_lock_irq(&rme96->lock);
1246         if (rme96->playback_substream != NULL) {
1247                 spin_unlock_irq(&rme96->lock);
1248                 return -EBUSY;
1249         }
1250         rme96->wcreg |= RME96_WCR_ADAT;
1251         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1252         rme96->playback_substream = substream;
1253         spin_unlock_irq(&rme96->lock);
1254
1255         runtime->hw = snd_rme96_playback_adat_info;
1256         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1257             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1258             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1259         {
1260                 /* slave clock */
1261                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1262                 runtime->hw.rate_min = rate;
1263                 runtime->hw.rate_max = rate;
1264         }
1265         rme96_set_buffer_size_constraint(rme96, runtime);
1266         return 0;
1267 }
1268
1269 static int
1270 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1271 {
1272         int isadat, rate;
1273         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1274         struct snd_pcm_runtime *runtime = substream->runtime;
1275
1276         snd_pcm_set_sync(substream);
1277         runtime->hw = snd_rme96_capture_adat_info;
1278         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1279                 /* makes no sense to use analog input. Note that analog
1280                    expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1281                 return -EIO;
1282         }
1283         if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1284                 if (!isadat) {
1285                         return -EIO;
1286                 }
1287                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1288                 runtime->hw.rate_min = rate;
1289                 runtime->hw.rate_max = rate;
1290         }
1291
1292         spin_lock_irq(&rme96->lock);
1293         if (rme96->capture_substream != NULL) {
1294                 spin_unlock_irq(&rme96->lock);
1295                 return -EBUSY;
1296         }
1297         rme96->capture_substream = substream;
1298         spin_unlock_irq(&rme96->lock);
1299
1300         rme96_set_buffer_size_constraint(rme96, runtime);
1301         return 0;
1302 }
1303
1304 static int
1305 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1306 {
1307         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1308         int spdif = 0;
1309
1310         spin_lock_irq(&rme96->lock);
1311         if (RME96_ISPLAYING(rme96)) {
1312                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1313         }
1314         rme96->playback_substream = NULL;
1315         rme96->playback_periodsize = 0;
1316         spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1317         spin_unlock_irq(&rme96->lock);
1318         if (spdif) {
1319                 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1320                 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1321                                SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1322         }
1323         return 0;
1324 }
1325
1326 static int
1327 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1328 {
1329         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1330
1331         spin_lock_irq(&rme96->lock);
1332         if (RME96_ISRECORDING(rme96)) {
1333                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1334         }
1335         rme96->capture_substream = NULL;
1336         rme96->capture_periodsize = 0;
1337         spin_unlock_irq(&rme96->lock);
1338         return 0;
1339 }
1340
1341 static int
1342 snd_rme96_playback_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_ISPLAYING(rme96)) {
1348                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1349         }
1350         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1351         spin_unlock_irq(&rme96->lock);
1352         return 0;
1353 }
1354
1355 static int
1356 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1357 {
1358         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1359
1360         spin_lock_irq(&rme96->lock);
1361         if (RME96_ISRECORDING(rme96)) {
1362                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1363         }
1364         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1365         spin_unlock_irq(&rme96->lock);
1366         return 0;
1367 }
1368
1369 static int
1370 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1371                            int cmd)
1372 {
1373         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1374         struct snd_pcm_substream *s;
1375         bool sync;
1376
1377         snd_pcm_group_for_each_entry(s, substream) {
1378                 if (snd_pcm_substream_chip(s) == rme96)
1379                         snd_pcm_trigger_done(s, substream);
1380         }
1381
1382         sync = (rme96->playback_substream && rme96->capture_substream) &&
1383                (rme96->playback_substream->group ==
1384                 rme96->capture_substream->group);
1385
1386         switch (cmd) {
1387         case SNDRV_PCM_TRIGGER_START:
1388                 if (!RME96_ISPLAYING(rme96)) {
1389                         if (substream != rme96->playback_substream)
1390                                 return -EBUSY;
1391                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1392                                                  : RME96_START_PLAYBACK);
1393                 }
1394                 break;
1395
1396         case SNDRV_PCM_TRIGGER_SUSPEND:
1397         case SNDRV_PCM_TRIGGER_STOP:
1398                 if (RME96_ISPLAYING(rme96)) {
1399                         if (substream != rme96->playback_substream)
1400                                 return -EBUSY;
1401                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1402                                                  :  RME96_STOP_PLAYBACK);
1403                 }
1404                 break;
1405
1406         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1407                 if (RME96_ISPLAYING(rme96))
1408                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1409                                                  : RME96_STOP_PLAYBACK);
1410                 break;
1411
1412         case SNDRV_PCM_TRIGGER_RESUME:
1413         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1414                 if (!RME96_ISPLAYING(rme96))
1415                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1416                                                  : RME96_RESUME_PLAYBACK);
1417                 break;
1418
1419         default:
1420                 return -EINVAL;
1421         }
1422
1423         return 0;
1424 }
1425
1426 static int
1427 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1428                           int cmd)
1429 {
1430         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1431         struct snd_pcm_substream *s;
1432         bool sync;
1433
1434         snd_pcm_group_for_each_entry(s, substream) {
1435                 if (snd_pcm_substream_chip(s) == rme96)
1436                         snd_pcm_trigger_done(s, substream);
1437         }
1438
1439         sync = (rme96->playback_substream && rme96->capture_substream) &&
1440                (rme96->playback_substream->group ==
1441                 rme96->capture_substream->group);
1442
1443         switch (cmd) {
1444         case SNDRV_PCM_TRIGGER_START:
1445                 if (!RME96_ISRECORDING(rme96)) {
1446                         if (substream != rme96->capture_substream)
1447                                 return -EBUSY;
1448                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1449                                                  : RME96_START_CAPTURE);
1450                 }
1451                 break;
1452
1453         case SNDRV_PCM_TRIGGER_SUSPEND:
1454         case SNDRV_PCM_TRIGGER_STOP:
1455                 if (RME96_ISRECORDING(rme96)) {
1456                         if (substream != rme96->capture_substream)
1457                                 return -EBUSY;
1458                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1459                                                  : RME96_STOP_CAPTURE);
1460                 }
1461                 break;
1462
1463         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1464                 if (RME96_ISRECORDING(rme96))
1465                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1466                                                  : RME96_STOP_CAPTURE);
1467                 break;
1468
1469         case SNDRV_PCM_TRIGGER_RESUME:
1470         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1471                 if (!RME96_ISRECORDING(rme96))
1472                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1473                                                  : RME96_RESUME_CAPTURE);
1474                 break;
1475
1476         default:
1477                 return -EINVAL;
1478         }
1479
1480         return 0;
1481 }
1482
1483 static snd_pcm_uframes_t
1484 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1485 {
1486         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1487         return snd_rme96_playback_ptr(rme96);
1488 }
1489
1490 static snd_pcm_uframes_t
1491 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1492 {
1493         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1494         return snd_rme96_capture_ptr(rme96);
1495 }
1496
1497 static struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1498         .open =         snd_rme96_playback_spdif_open,
1499         .close =        snd_rme96_playback_close,
1500         .ioctl =        snd_pcm_lib_ioctl,
1501         .hw_params =    snd_rme96_playback_hw_params,
1502         .prepare =      snd_rme96_playback_prepare,
1503         .trigger =      snd_rme96_playback_trigger,
1504         .pointer =      snd_rme96_playback_pointer,
1505         .copy =         snd_rme96_playback_copy,
1506         .silence =      snd_rme96_playback_silence,
1507         .mmap =         snd_pcm_lib_mmap_iomem,
1508 };
1509
1510 static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1511         .open =         snd_rme96_capture_spdif_open,
1512         .close =        snd_rme96_capture_close,
1513         .ioctl =        snd_pcm_lib_ioctl,
1514         .hw_params =    snd_rme96_capture_hw_params,
1515         .prepare =      snd_rme96_capture_prepare,
1516         .trigger =      snd_rme96_capture_trigger,
1517         .pointer =      snd_rme96_capture_pointer,
1518         .copy =         snd_rme96_capture_copy,
1519         .mmap =         snd_pcm_lib_mmap_iomem,
1520 };
1521
1522 static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1523         .open =         snd_rme96_playback_adat_open,
1524         .close =        snd_rme96_playback_close,
1525         .ioctl =        snd_pcm_lib_ioctl,
1526         .hw_params =    snd_rme96_playback_hw_params,
1527         .prepare =      snd_rme96_playback_prepare,
1528         .trigger =      snd_rme96_playback_trigger,
1529         .pointer =      snd_rme96_playback_pointer,
1530         .copy =         snd_rme96_playback_copy,
1531         .silence =      snd_rme96_playback_silence,
1532         .mmap =         snd_pcm_lib_mmap_iomem,
1533 };
1534
1535 static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1536         .open =         snd_rme96_capture_adat_open,
1537         .close =        snd_rme96_capture_close,
1538         .ioctl =        snd_pcm_lib_ioctl,
1539         .hw_params =    snd_rme96_capture_hw_params,
1540         .prepare =      snd_rme96_capture_prepare,
1541         .trigger =      snd_rme96_capture_trigger,
1542         .pointer =      snd_rme96_capture_pointer,
1543         .copy =         snd_rme96_capture_copy,
1544         .mmap =         snd_pcm_lib_mmap_iomem,
1545 };
1546
1547 static void
1548 snd_rme96_free(void *private_data)
1549 {
1550         struct rme96 *rme96 = (struct rme96 *)private_data;
1551
1552         if (rme96 == NULL) {
1553                 return;
1554         }
1555         if (rme96->irq >= 0) {
1556                 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1557                 rme96->areg &= ~RME96_AR_DAC_EN;
1558                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1559                 free_irq(rme96->irq, (void *)rme96);
1560                 rme96->irq = -1;
1561         }
1562         if (rme96->iobase) {
1563                 iounmap(rme96->iobase);
1564                 rme96->iobase = NULL;
1565         }
1566         if (rme96->port) {
1567                 pci_release_regions(rme96->pci);
1568                 rme96->port = 0;
1569         }
1570 #ifdef CONFIG_PM_SLEEP
1571         vfree(rme96->playback_suspend_buffer);
1572         vfree(rme96->capture_suspend_buffer);
1573 #endif
1574         pci_disable_device(rme96->pci);
1575 }
1576
1577 static void
1578 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1579 {
1580         struct rme96 *rme96 = pcm->private_data;
1581         rme96->spdif_pcm = NULL;
1582 }
1583
1584 static void
1585 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1586 {
1587         struct rme96 *rme96 = pcm->private_data;
1588         rme96->adat_pcm = NULL;
1589 }
1590
1591 static int
1592 snd_rme96_create(struct rme96 *rme96)
1593 {
1594         struct pci_dev *pci = rme96->pci;
1595         int err;
1596
1597         rme96->irq = -1;
1598         spin_lock_init(&rme96->lock);
1599
1600         if ((err = pci_enable_device(pci)) < 0)
1601                 return err;
1602
1603         if ((err = pci_request_regions(pci, "RME96")) < 0)
1604                 return err;
1605         rme96->port = pci_resource_start(rme96->pci, 0);
1606
1607         rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1608         if (!rme96->iobase) {
1609                 dev_err(rme96->card->dev,
1610                         "unable to remap memory region 0x%lx-0x%lx\n",
1611                         rme96->port, rme96->port + RME96_IO_SIZE - 1);
1612                 return -ENOMEM;
1613         }
1614
1615         if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1616                         KBUILD_MODNAME, rme96)) {
1617                 dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1618                 return -EBUSY;
1619         }
1620         rme96->irq = pci->irq;
1621
1622         /* read the card's revision number */
1623         pci_read_config_byte(pci, 8, &rme96->rev);
1624
1625         /* set up ALSA pcm device for S/PDIF */
1626         if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1627                                1, 1, &rme96->spdif_pcm)) < 0)
1628         {
1629                 return err;
1630         }
1631         rme96->spdif_pcm->private_data = rme96;
1632         rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1633         strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1634         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1635         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1636
1637         rme96->spdif_pcm->info_flags = 0;
1638
1639         /* set up ALSA pcm device for ADAT */
1640         if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1641                 /* ADAT is not available on the base model */
1642                 rme96->adat_pcm = NULL;
1643         } else {
1644                 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1645                                        1, 1, &rme96->adat_pcm)) < 0)
1646                 {
1647                         return err;
1648                 }
1649                 rme96->adat_pcm->private_data = rme96;
1650                 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1651                 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1652                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1653                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1654
1655                 rme96->adat_pcm->info_flags = 0;
1656         }
1657
1658         rme96->playback_periodsize = 0;
1659         rme96->capture_periodsize = 0;
1660
1661         /* make sure playback/capture is stopped, if by some reason active */
1662         snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1663
1664         /* set default values in registers */
1665         rme96->wcreg =
1666                 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1667                 RME96_WCR_SEL |    /* normal playback */
1668                 RME96_WCR_MASTER | /* set to master clock mode */
1669                 RME96_WCR_INP_0;   /* set coaxial input */
1670
1671         rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1672
1673         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1674         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1675
1676         /* reset the ADC */
1677         writel(rme96->areg | RME96_AR_PD2,
1678                rme96->iobase + RME96_IO_ADDITIONAL_REG);
1679         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1680
1681         /* reset and enable the DAC (order is important). */
1682         snd_rme96_reset_dac(rme96);
1683         rme96->areg |= RME96_AR_DAC_EN;
1684         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1685
1686         /* reset playback and record buffer pointers */
1687         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1688         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1689
1690         /* reset volume */
1691         rme96->vol[0] = rme96->vol[1] = 0;
1692         if (RME96_HAS_ANALOG_OUT(rme96)) {
1693                 snd_rme96_apply_dac_volume(rme96);
1694         }
1695
1696         /* init switch interface */
1697         if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1698                 return err;
1699         }
1700
1701         /* init proc interface */
1702         snd_rme96_proc_init(rme96);
1703
1704         return 0;
1705 }
1706
1707 /*
1708  * proc interface
1709  */
1710
1711 static void
1712 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1713 {
1714         int n;
1715         struct rme96 *rme96 = entry->private_data;
1716
1717         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1718
1719         snd_iprintf(buffer, rme96->card->longname);
1720         snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1721
1722         snd_iprintf(buffer, "\nGeneral settings\n");
1723         if (rme96->wcreg & RME96_WCR_IDIS) {
1724                 snd_iprintf(buffer, "  period size: N/A (interrupts "
1725                             "disabled)\n");
1726         } else if (rme96->wcreg & RME96_WCR_ISEL) {
1727                 snd_iprintf(buffer, "  period size: 2048 bytes\n");
1728         } else {
1729                 snd_iprintf(buffer, "  period size: 8192 bytes\n");
1730         }
1731         snd_iprintf(buffer, "\nInput settings\n");
1732         switch (snd_rme96_getinputtype(rme96)) {
1733         case RME96_INPUT_OPTICAL:
1734                 snd_iprintf(buffer, "  input: optical");
1735                 break;
1736         case RME96_INPUT_COAXIAL:
1737                 snd_iprintf(buffer, "  input: coaxial");
1738                 break;
1739         case RME96_INPUT_INTERNAL:
1740                 snd_iprintf(buffer, "  input: internal");
1741                 break;
1742         case RME96_INPUT_XLR:
1743                 snd_iprintf(buffer, "  input: XLR");
1744                 break;
1745         case RME96_INPUT_ANALOG:
1746                 snd_iprintf(buffer, "  input: analog");
1747                 break;
1748         }
1749         if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1750                 snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1751         } else {
1752                 if (n) {
1753                         snd_iprintf(buffer, " (8 channels)\n");
1754                 } else {
1755                         snd_iprintf(buffer, " (2 channels)\n");
1756                 }
1757                 snd_iprintf(buffer, "  sample rate: %d Hz\n",
1758                             snd_rme96_capture_getrate(rme96, &n));
1759         }
1760         if (rme96->wcreg & RME96_WCR_MODE24_2) {
1761                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1762         } else {
1763                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1764         }
1765
1766         snd_iprintf(buffer, "\nOutput settings\n");
1767         if (rme96->wcreg & RME96_WCR_SEL) {
1768                 snd_iprintf(buffer, "  output signal: normal playback\n");
1769         } else {
1770                 snd_iprintf(buffer, "  output signal: same as input\n");
1771         }
1772         snd_iprintf(buffer, "  sample rate: %d Hz\n",
1773                     snd_rme96_playback_getrate(rme96));
1774         if (rme96->wcreg & RME96_WCR_MODE24) {
1775                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1776         } else {
1777                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1778         }
1779         if (rme96->areg & RME96_AR_WSEL) {
1780                 snd_iprintf(buffer, "  sample clock source: word clock\n");
1781         } else if (rme96->wcreg & RME96_WCR_MASTER) {
1782                 snd_iprintf(buffer, "  sample clock source: internal\n");
1783         } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1784                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1785         } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1786                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1787         } else {
1788                 snd_iprintf(buffer, "  sample clock source: autosync\n");
1789         }
1790         if (rme96->wcreg & RME96_WCR_PRO) {
1791                 snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1792         } else {
1793                 snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1794         }
1795         if (rme96->wcreg & RME96_WCR_EMP) {
1796                 snd_iprintf(buffer, "  emphasis: on\n");
1797         } else {
1798                 snd_iprintf(buffer, "  emphasis: off\n");
1799         }
1800         if (rme96->wcreg & RME96_WCR_DOLBY) {
1801                 snd_iprintf(buffer, "  non-audio (dolby): on\n");
1802         } else {
1803                 snd_iprintf(buffer, "  non-audio (dolby): off\n");
1804         }
1805         if (RME96_HAS_ANALOG_IN(rme96)) {
1806                 snd_iprintf(buffer, "\nAnalog output settings\n");
1807                 switch (snd_rme96_getmontracks(rme96)) {
1808                 case RME96_MONITOR_TRACKS_1_2:
1809                         snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1810                         break;
1811                 case RME96_MONITOR_TRACKS_3_4:
1812                         snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1813                         break;
1814                 case RME96_MONITOR_TRACKS_5_6:
1815                         snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1816                         break;
1817                 case RME96_MONITOR_TRACKS_7_8:
1818                         snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1819                         break;
1820                 }
1821                 switch (snd_rme96_getattenuation(rme96)) {
1822                 case RME96_ATTENUATION_0:
1823                         snd_iprintf(buffer, "  attenuation: 0 dB\n");
1824                         break;
1825                 case RME96_ATTENUATION_6:
1826                         snd_iprintf(buffer, "  attenuation: -6 dB\n");
1827                         break;
1828                 case RME96_ATTENUATION_12:
1829                         snd_iprintf(buffer, "  attenuation: -12 dB\n");
1830                         break;
1831                 case RME96_ATTENUATION_18:
1832                         snd_iprintf(buffer, "  attenuation: -18 dB\n");
1833                         break;
1834                 }
1835                 snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1836                 snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1837         }
1838 }
1839
1840 static void snd_rme96_proc_init(struct rme96 *rme96)
1841 {
1842         struct snd_info_entry *entry;
1843
1844         if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1845                 snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1846 }
1847
1848 /*
1849  * control interface
1850  */
1851
1852 #define snd_rme96_info_loopback_control         snd_ctl_boolean_mono_info
1853
1854 static int
1855 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1856 {
1857         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1858
1859         spin_lock_irq(&rme96->lock);
1860         ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1861         spin_unlock_irq(&rme96->lock);
1862         return 0;
1863 }
1864 static int
1865 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1866 {
1867         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1868         unsigned int val;
1869         int change;
1870
1871         val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1872         spin_lock_irq(&rme96->lock);
1873         val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1874         change = val != rme96->wcreg;
1875         rme96->wcreg = val;
1876         writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1877         spin_unlock_irq(&rme96->lock);
1878         return change;
1879 }
1880
1881 static int
1882 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1883 {
1884         static const char * const _texts[5] = {
1885                 "Optical", "Coaxial", "Internal", "XLR", "Analog"
1886         };
1887         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1888         const char *texts[5] = {
1889                 _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1890         };
1891         int num_items;
1892
1893         switch (rme96->pci->device) {
1894         case PCI_DEVICE_ID_RME_DIGI96:
1895         case PCI_DEVICE_ID_RME_DIGI96_8:
1896                 num_items = 3;
1897                 break;
1898         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1899                 num_items = 4;
1900                 break;
1901         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1902                 if (rme96->rev > 4) {
1903                         /* PST */
1904                         num_items = 4;
1905                         texts[3] = _texts[4]; /* Analog instead of XLR */
1906                 } else {
1907                         /* PAD */
1908                         num_items = 5;
1909                 }
1910                 break;
1911         default:
1912                 snd_BUG();
1913                 return -EINVAL;
1914         }
1915         return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1916 }
1917 static int
1918 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1919 {
1920         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1921         unsigned int items = 3;
1922
1923         spin_lock_irq(&rme96->lock);
1924         ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1925
1926         switch (rme96->pci->device) {
1927         case PCI_DEVICE_ID_RME_DIGI96:
1928         case PCI_DEVICE_ID_RME_DIGI96_8:
1929                 items = 3;
1930                 break;
1931         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1932                 items = 4;
1933                 break;
1934         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1935                 if (rme96->rev > 4) {
1936                         /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1937                         if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1938                                 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1939                         }
1940                         items = 4;
1941                 } else {
1942                         items = 5;
1943                 }
1944                 break;
1945         default:
1946                 snd_BUG();
1947                 break;
1948         }
1949         if (ucontrol->value.enumerated.item[0] >= items) {
1950                 ucontrol->value.enumerated.item[0] = items - 1;
1951         }
1952
1953         spin_unlock_irq(&rme96->lock);
1954         return 0;
1955 }
1956 static int
1957 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1958 {
1959         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1960         unsigned int val;
1961         int change, items = 3;
1962
1963         switch (rme96->pci->device) {
1964         case PCI_DEVICE_ID_RME_DIGI96:
1965         case PCI_DEVICE_ID_RME_DIGI96_8:
1966                 items = 3;
1967                 break;
1968         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1969                 items = 4;
1970                 break;
1971         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1972                 if (rme96->rev > 4) {
1973                         items = 4;
1974                 } else {
1975                         items = 5;
1976                 }
1977                 break;
1978         default:
1979                 snd_BUG();
1980                 break;
1981         }
1982         val = ucontrol->value.enumerated.item[0] % items;
1983
1984         /* special case for PST */
1985         if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1986                 if (val == RME96_INPUT_XLR) {
1987                         val = RME96_INPUT_ANALOG;
1988                 }
1989         }
1990
1991         spin_lock_irq(&rme96->lock);
1992         change = (int)val != snd_rme96_getinputtype(rme96);
1993         snd_rme96_setinputtype(rme96, val);
1994         spin_unlock_irq(&rme96->lock);
1995         return change;
1996 }
1997
1998 static int
1999 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2000 {
2001         static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2002
2003         return snd_ctl_enum_info(uinfo, 1, 3, texts);
2004 }
2005 static int
2006 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2007 {
2008         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2009
2010         spin_lock_irq(&rme96->lock);
2011         ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2012         spin_unlock_irq(&rme96->lock);
2013         return 0;
2014 }
2015 static int
2016 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2017 {
2018         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2019         unsigned int val;
2020         int change;
2021
2022         val = ucontrol->value.enumerated.item[0] % 3;
2023         spin_lock_irq(&rme96->lock);
2024         change = (int)val != snd_rme96_getclockmode(rme96);
2025         snd_rme96_setclockmode(rme96, val);
2026         spin_unlock_irq(&rme96->lock);
2027         return change;
2028 }
2029
2030 static int
2031 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2032 {
2033         static const char * const texts[4] = {
2034                 "0 dB", "-6 dB", "-12 dB", "-18 dB"
2035         };
2036
2037         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2038 }
2039 static int
2040 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2041 {
2042         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2043
2044         spin_lock_irq(&rme96->lock);
2045         ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2046         spin_unlock_irq(&rme96->lock);
2047         return 0;
2048 }
2049 static int
2050 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2051 {
2052         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2053         unsigned int val;
2054         int change;
2055
2056         val = ucontrol->value.enumerated.item[0] % 4;
2057         spin_lock_irq(&rme96->lock);
2058
2059         change = (int)val != snd_rme96_getattenuation(rme96);
2060         snd_rme96_setattenuation(rme96, val);
2061         spin_unlock_irq(&rme96->lock);
2062         return change;
2063 }
2064
2065 static int
2066 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2067 {
2068         static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2069
2070         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2071 }
2072 static int
2073 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2074 {
2075         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2076
2077         spin_lock_irq(&rme96->lock);
2078         ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2079         spin_unlock_irq(&rme96->lock);
2080         return 0;
2081 }
2082 static int
2083 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2084 {
2085         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2086         unsigned int val;
2087         int change;
2088
2089         val = ucontrol->value.enumerated.item[0] % 4;
2090         spin_lock_irq(&rme96->lock);
2091         change = (int)val != snd_rme96_getmontracks(rme96);
2092         snd_rme96_setmontracks(rme96, val);
2093         spin_unlock_irq(&rme96->lock);
2094         return change;
2095 }
2096
2097 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2098 {
2099         u32 val = 0;
2100         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2101         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2102         if (val & RME96_WCR_PRO)
2103                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2104         else
2105                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2106         return val;
2107 }
2108
2109 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2110 {
2111         aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2112                          ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2113         if (val & RME96_WCR_PRO)
2114                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2115         else
2116                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2117 }
2118
2119 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2120 {
2121         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2122         uinfo->count = 1;
2123         return 0;
2124 }
2125
2126 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2127 {
2128         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2129
2130         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2131         return 0;
2132 }
2133
2134 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2135 {
2136         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2137         int change;
2138         u32 val;
2139
2140         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2141         spin_lock_irq(&rme96->lock);
2142         change = val != rme96->wcreg_spdif;
2143         rme96->wcreg_spdif = val;
2144         spin_unlock_irq(&rme96->lock);
2145         return change;
2146 }
2147
2148 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2149 {
2150         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2151         uinfo->count = 1;
2152         return 0;
2153 }
2154
2155 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2156 {
2157         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2158
2159         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2160         return 0;
2161 }
2162
2163 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2164 {
2165         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2166         int change;
2167         u32 val;
2168
2169         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2170         spin_lock_irq(&rme96->lock);
2171         change = val != rme96->wcreg_spdif_stream;
2172         rme96->wcreg_spdif_stream = val;
2173         rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2174         rme96->wcreg |= val;
2175         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2176         spin_unlock_irq(&rme96->lock);
2177         return change;
2178 }
2179
2180 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2181 {
2182         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2183         uinfo->count = 1;
2184         return 0;
2185 }
2186
2187 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2188 {
2189         ucontrol->value.iec958.status[0] = kcontrol->private_value;
2190         return 0;
2191 }
2192
2193 static int
2194 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2195 {
2196         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2197
2198         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2199         uinfo->count = 2;
2200         uinfo->value.integer.min = 0;
2201         uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2202         return 0;
2203 }
2204
2205 static int
2206 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2207 {
2208         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2209
2210         spin_lock_irq(&rme96->lock);
2211         u->value.integer.value[0] = rme96->vol[0];
2212         u->value.integer.value[1] = rme96->vol[1];
2213         spin_unlock_irq(&rme96->lock);
2214
2215         return 0;
2216 }
2217
2218 static int
2219 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2220 {
2221         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2222         int change = 0;
2223         unsigned int vol, maxvol;
2224
2225
2226         if (!RME96_HAS_ANALOG_OUT(rme96))
2227                 return -EINVAL;
2228         maxvol = RME96_185X_MAX_OUT(rme96);
2229         spin_lock_irq(&rme96->lock);
2230         vol = u->value.integer.value[0];
2231         if (vol != rme96->vol[0] && vol <= maxvol) {
2232                 rme96->vol[0] = vol;
2233                 change = 1;
2234         }
2235         vol = u->value.integer.value[1];
2236         if (vol != rme96->vol[1] && vol <= maxvol) {
2237                 rme96->vol[1] = vol;
2238                 change = 1;
2239         }
2240         if (change)
2241                 snd_rme96_apply_dac_volume(rme96);
2242         spin_unlock_irq(&rme96->lock);
2243
2244         return change;
2245 }
2246
2247 static struct snd_kcontrol_new snd_rme96_controls[] = {
2248 {
2249         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2250         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2251         .info =         snd_rme96_control_spdif_info,
2252         .get =          snd_rme96_control_spdif_get,
2253         .put =          snd_rme96_control_spdif_put
2254 },
2255 {
2256         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2257         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2258         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2259         .info =         snd_rme96_control_spdif_stream_info,
2260         .get =          snd_rme96_control_spdif_stream_get,
2261         .put =          snd_rme96_control_spdif_stream_put
2262 },
2263 {
2264         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2265         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2266         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2267         .info =         snd_rme96_control_spdif_mask_info,
2268         .get =          snd_rme96_control_spdif_mask_get,
2269         .private_value = IEC958_AES0_NONAUDIO |
2270                         IEC958_AES0_PROFESSIONAL |
2271                         IEC958_AES0_CON_EMPHASIS
2272 },
2273 {
2274         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2275         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2276         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2277         .info =         snd_rme96_control_spdif_mask_info,
2278         .get =          snd_rme96_control_spdif_mask_get,
2279         .private_value = IEC958_AES0_NONAUDIO |
2280                         IEC958_AES0_PROFESSIONAL |
2281                         IEC958_AES0_PRO_EMPHASIS
2282 },
2283 {
2284         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2285         .name =         "Input Connector",
2286         .info =         snd_rme96_info_inputtype_control,
2287         .get =          snd_rme96_get_inputtype_control,
2288         .put =          snd_rme96_put_inputtype_control
2289 },
2290 {
2291         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2292         .name =         "Loopback Input",
2293         .info =         snd_rme96_info_loopback_control,
2294         .get =          snd_rme96_get_loopback_control,
2295         .put =          snd_rme96_put_loopback_control
2296 },
2297 {
2298         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2299         .name =         "Sample Clock Source",
2300         .info =         snd_rme96_info_clockmode_control,
2301         .get =          snd_rme96_get_clockmode_control,
2302         .put =          snd_rme96_put_clockmode_control
2303 },
2304 {
2305         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2306         .name =         "Monitor Tracks",
2307         .info =         snd_rme96_info_montracks_control,
2308         .get =          snd_rme96_get_montracks_control,
2309         .put =          snd_rme96_put_montracks_control
2310 },
2311 {
2312         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2313         .name =         "Attenuation",
2314         .info =         snd_rme96_info_attenuation_control,
2315         .get =          snd_rme96_get_attenuation_control,
2316         .put =          snd_rme96_put_attenuation_control
2317 },
2318 {
2319         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2320         .name =         "DAC Playback Volume",
2321         .info =         snd_rme96_dac_volume_info,
2322         .get =          snd_rme96_dac_volume_get,
2323         .put =          snd_rme96_dac_volume_put
2324 }
2325 };
2326
2327 static int
2328 snd_rme96_create_switches(struct snd_card *card,
2329                           struct rme96 *rme96)
2330 {
2331         int idx, err;
2332         struct snd_kcontrol *kctl;
2333
2334         for (idx = 0; idx < 7; idx++) {
2335                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2336                         return err;
2337                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
2338                         rme96->spdif_ctl = kctl;
2339         }
2340
2341         if (RME96_HAS_ANALOG_OUT(rme96)) {
2342                 for (idx = 7; idx < 10; idx++)
2343                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2344                                 return err;
2345         }
2346
2347         return 0;
2348 }
2349
2350 /*
2351  * Card initialisation
2352  */
2353
2354 #ifdef CONFIG_PM_SLEEP
2355
2356 static int rme96_suspend(struct device *dev)
2357 {
2358         struct snd_card *card = dev_get_drvdata(dev);
2359         struct rme96 *rme96 = card->private_data;
2360
2361         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2362         snd_pcm_suspend(rme96->playback_substream);
2363         snd_pcm_suspend(rme96->capture_substream);
2364
2365         /* save capture & playback pointers */
2366         rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2367                                   & RME96_RCR_AUDIO_ADDR_MASK;
2368         rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2369                                  & RME96_RCR_AUDIO_ADDR_MASK;
2370
2371         /* save playback and capture buffers */
2372         memcpy_fromio(rme96->playback_suspend_buffer,
2373                       rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2374         memcpy_fromio(rme96->capture_suspend_buffer,
2375                       rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2376
2377         /* disable the DAC  */
2378         rme96->areg &= ~RME96_AR_DAC_EN;
2379         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2380         return 0;
2381 }
2382
2383 static int rme96_resume(struct device *dev)
2384 {
2385         struct snd_card *card = dev_get_drvdata(dev);
2386         struct rme96 *rme96 = card->private_data;
2387
2388         /* reset playback and record buffer pointers */
2389         writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2390                   + rme96->playback_pointer);
2391         writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2392                   + rme96->capture_pointer);
2393
2394         /* restore playback and capture buffers */
2395         memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2396                     rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2397         memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2398                     rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2399
2400         /* reset the ADC */
2401         writel(rme96->areg | RME96_AR_PD2,
2402                rme96->iobase + RME96_IO_ADDITIONAL_REG);
2403         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2404
2405         /* reset and enable DAC, restore analog volume */
2406         snd_rme96_reset_dac(rme96);
2407         rme96->areg |= RME96_AR_DAC_EN;
2408         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2409         if (RME96_HAS_ANALOG_OUT(rme96)) {
2410                 usleep_range(3000, 10000);
2411                 snd_rme96_apply_dac_volume(rme96);
2412         }
2413
2414         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2415
2416         return 0;
2417 }
2418
2419 static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2420 #define RME96_PM_OPS    &rme96_pm
2421 #else
2422 #define RME96_PM_OPS    NULL
2423 #endif /* CONFIG_PM_SLEEP */
2424
2425 static void snd_rme96_card_free(struct snd_card *card)
2426 {
2427         snd_rme96_free(card->private_data);
2428 }
2429
2430 static int
2431 snd_rme96_probe(struct pci_dev *pci,
2432                 const struct pci_device_id *pci_id)
2433 {
2434         static int dev;
2435         struct rme96 *rme96;
2436         struct snd_card *card;
2437         int err;
2438         u8 val;
2439
2440         if (dev >= SNDRV_CARDS) {
2441                 return -ENODEV;
2442         }
2443         if (!enable[dev]) {
2444                 dev++;
2445                 return -ENOENT;
2446         }
2447         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2448                            sizeof(struct rme96), &card);
2449         if (err < 0)
2450                 return err;
2451         card->private_free = snd_rme96_card_free;
2452         rme96 = card->private_data;
2453         rme96->card = card;
2454         rme96->pci = pci;
2455         if ((err = snd_rme96_create(rme96)) < 0) {
2456                 snd_card_free(card);
2457                 return err;
2458         }
2459
2460 #ifdef CONFIG_PM_SLEEP
2461         rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2462         if (!rme96->playback_suspend_buffer) {
2463                 dev_err(card->dev,
2464                            "Failed to allocate playback suspend buffer!\n");
2465                 snd_card_free(card);
2466                 return -ENOMEM;
2467         }
2468         rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2469         if (!rme96->capture_suspend_buffer) {
2470                 dev_err(card->dev,
2471                            "Failed to allocate capture suspend buffer!\n");
2472                 snd_card_free(card);
2473                 return -ENOMEM;
2474         }
2475 #endif
2476
2477         strcpy(card->driver, "Digi96");
2478         switch (rme96->pci->device) {
2479         case PCI_DEVICE_ID_RME_DIGI96:
2480                 strcpy(card->shortname, "RME Digi96");
2481                 break;
2482         case PCI_DEVICE_ID_RME_DIGI96_8:
2483                 strcpy(card->shortname, "RME Digi96/8");
2484                 break;
2485         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2486                 strcpy(card->shortname, "RME Digi96/8 PRO");
2487                 break;
2488         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2489                 pci_read_config_byte(rme96->pci, 8, &val);
2490                 if (val < 5) {
2491                         strcpy(card->shortname, "RME Digi96/8 PAD");
2492                 } else {
2493                         strcpy(card->shortname, "RME Digi96/8 PST");
2494                 }
2495                 break;
2496         }
2497         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2498                 rme96->port, rme96->irq);
2499
2500         if ((err = snd_card_register(card)) < 0) {
2501                 snd_card_free(card);
2502                 return err;
2503         }
2504         pci_set_drvdata(pci, card);
2505         dev++;
2506         return 0;
2507 }
2508
2509 static void snd_rme96_remove(struct pci_dev *pci)
2510 {
2511         snd_card_free(pci_get_drvdata(pci));
2512 }
2513
2514 static struct pci_driver rme96_driver = {
2515         .name = KBUILD_MODNAME,
2516         .id_table = snd_rme96_ids,
2517         .probe = snd_rme96_probe,
2518         .remove = snd_rme96_remove,
2519         .driver = {
2520                 .pm = RME96_PM_OPS,
2521         },
2522 };
2523
2524 module_pci_driver(rme96_driver);