sound/pci/rme96.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
   4  *   interfaces
   5  *
   6  *      Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
   7  *
   8  *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
   9  *      code.
  10  */
  11
  12 #include <linux/delay.h>
  13 #include <linux/init.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/pci.h>
  16 #include <linux/module.h>
  17 #include <linux/vmalloc.h>
  18 #include <linux/io.h>
  19
  20 #include <sound/core.h>
  21 #include <sound/info.h>
  22 #include <sound/control.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/asoundef.h>
  26 #include <sound/initval.h>
  27
  28 /* note, two last pcis should be equal, it is not a bug */
  29
  30 MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
  31 MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
  32                    "Digi96/8 PAD");
  33 MODULE_LICENSE("GPL");
  34
  35 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  36 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  37 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  38
  39 module_param_array(index, int, NULL, 0444);
  40 MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
  41 module_param_array(id, charp, NULL, 0444);
  42 MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
  43 module_param_array(enable, bool, NULL, 0444);
  44 MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
  45
  46 /*
  47  * Defines for RME Digi96 series, from internal RME reference documents
  48  * dated 12.01.00
  49  */
  50
  51 #define RME96_SPDIF_NCHANNELS 2
  52
  53 /* Playback and capture buffer size */
  54 #define RME96_BUFFER_SIZE 0x10000
  55
  56 /* IO area size */
  57 #define RME96_IO_SIZE 0x60000
  58
  59 /* IO area offsets */
  60 #define RME96_IO_PLAY_BUFFER      0x0
  61 #define RME96_IO_REC_BUFFER       0x10000
  62 #define RME96_IO_CONTROL_REGISTER 0x20000
  63 #define RME96_IO_ADDITIONAL_REG   0x20004
  64 #define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
  65 #define RME96_IO_CONFIRM_REC_IRQ  0x2000C
  66 #define RME96_IO_SET_PLAY_POS     0x40000
  67 #define RME96_IO_RESET_PLAY_POS   0x4FFFC
  68 #define RME96_IO_SET_REC_POS      0x50000
  69 #define RME96_IO_RESET_REC_POS    0x5FFFC
  70 #define RME96_IO_GET_PLAY_POS     0x20000
  71 #define RME96_IO_GET_REC_POS      0x30000
  72
  73 /* Write control register bits */
  74 #define RME96_WCR_START     (1 << 0)
  75 #define RME96_WCR_START_2   (1 << 1)
  76 #define RME96_WCR_GAIN_0    (1 << 2)
  77 #define RME96_WCR_GAIN_1    (1 << 3)
  78 #define RME96_WCR_MODE24    (1 << 4)
  79 #define RME96_WCR_MODE24_2  (1 << 5)
  80 #define RME96_WCR_BM        (1 << 6)
  81 #define RME96_WCR_BM_2      (1 << 7)
  82 #define RME96_WCR_ADAT      (1 << 8)
  83 #define RME96_WCR_FREQ_0    (1 << 9)
  84 #define RME96_WCR_FREQ_1    (1 << 10)
  85 #define RME96_WCR_DS        (1 << 11)
  86 #define RME96_WCR_PRO       (1 << 12)
  87 #define RME96_WCR_EMP       (1 << 13)
  88 #define RME96_WCR_SEL       (1 << 14)
  89 #define RME96_WCR_MASTER    (1 << 15)
  90 #define RME96_WCR_PD        (1 << 16)
  91 #define RME96_WCR_INP_0     (1 << 17)
  92 #define RME96_WCR_INP_1     (1 << 18)
  93 #define RME96_WCR_THRU_0    (1 << 19)
  94 #define RME96_WCR_THRU_1    (1 << 20)
  95 #define RME96_WCR_THRU_2    (1 << 21)
  96 #define RME96_WCR_THRU_3    (1 << 22)
  97 #define RME96_WCR_THRU_4    (1 << 23)
  98 #define RME96_WCR_THRU_5    (1 << 24)
  99 #define RME96_WCR_THRU_6    (1 << 25)
 100 #define RME96_WCR_THRU_7    (1 << 26)
 101 #define RME96_WCR_DOLBY     (1 << 27)
 102 #define RME96_WCR_MONITOR_0 (1 << 28)
 103 #define RME96_WCR_MONITOR_1 (1 << 29)
 104 #define RME96_WCR_ISEL      (1 << 30)
 105 #define RME96_WCR_IDIS      (1 << 31)
 106
 107 #define RME96_WCR_BITPOS_GAIN_0 2
 108 #define RME96_WCR_BITPOS_GAIN_1 3
 109 #define RME96_WCR_BITPOS_FREQ_0 9
 110 #define RME96_WCR_BITPOS_FREQ_1 10
 111 #define RME96_WCR_BITPOS_INP_0 17
 112 #define RME96_WCR_BITPOS_INP_1 18
 113 #define RME96_WCR_BITPOS_MONITOR_0 28
 114 #define RME96_WCR_BITPOS_MONITOR_1 29
 115
 116 /* Read control register bits */
 117 #define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
 118 #define RME96_RCR_IRQ_2     (1 << 16)
 119 #define RME96_RCR_T_OUT     (1 << 17)
 120 #define RME96_RCR_DEV_ID_0  (1 << 21)
 121 #define RME96_RCR_DEV_ID_1  (1 << 22)
 122 #define RME96_RCR_LOCK      (1 << 23)
 123 #define RME96_RCR_VERF      (1 << 26)
 124 #define RME96_RCR_F0        (1 << 27)
 125 #define RME96_RCR_F1        (1 << 28)
 126 #define RME96_RCR_F2        (1 << 29)
 127 #define RME96_RCR_AUTOSYNC  (1 << 30)
 128 #define RME96_RCR_IRQ       (1 << 31)
 129
 130 #define RME96_RCR_BITPOS_F0 27
 131 #define RME96_RCR_BITPOS_F1 28
 132 #define RME96_RCR_BITPOS_F2 29
 133
 134 /* Additional register bits */
 135 #define RME96_AR_WSEL       (1 << 0)
 136 #define RME96_AR_ANALOG     (1 << 1)
 137 #define RME96_AR_FREQPAD_0  (1 << 2)
 138 #define RME96_AR_FREQPAD_1  (1 << 3)
 139 #define RME96_AR_FREQPAD_2  (1 << 4)
 140 #define RME96_AR_PD2        (1 << 5)
 141 #define RME96_AR_DAC_EN     (1 << 6)
 142 #define RME96_AR_CLATCH     (1 << 7)
 143 #define RME96_AR_CCLK       (1 << 8)
 144 #define RME96_AR_CDATA      (1 << 9)
 145
 146 #define RME96_AR_BITPOS_F0 2
 147 #define RME96_AR_BITPOS_F1 3
 148 #define RME96_AR_BITPOS_F2 4
 149
 150 /* Monitor tracks */
 151 #define RME96_MONITOR_TRACKS_1_2 0
 152 #define RME96_MONITOR_TRACKS_3_4 1
 153 #define RME96_MONITOR_TRACKS_5_6 2
 154 #define RME96_MONITOR_TRACKS_7_8 3
 155
 156 /* Attenuation */
 157 #define RME96_ATTENUATION_0 0
 158 #define RME96_ATTENUATION_6 1
 159 #define RME96_ATTENUATION_12 2
 160 #define RME96_ATTENUATION_18 3
 161
 162 /* Input types */
 163 #define RME96_INPUT_OPTICAL 0
 164 #define RME96_INPUT_COAXIAL 1
 165 #define RME96_INPUT_INTERNAL 2
 166 #define RME96_INPUT_XLR 3
 167 #define RME96_INPUT_ANALOG 4
 168
 169 /* Clock modes */
 170 #define RME96_CLOCKMODE_SLAVE 0
 171 #define RME96_CLOCKMODE_MASTER 1
 172 #define RME96_CLOCKMODE_WORDCLOCK 2
 173
 174 /* Block sizes in bytes */
 175 #define RME96_SMALL_BLOCK_SIZE 2048
 176 #define RME96_LARGE_BLOCK_SIZE 8192
 177
 178 /* Volume control */
 179 #define RME96_AD1852_VOL_BITS 14
 180 #define RME96_AD1855_VOL_BITS 10
 181
 182 /* Defines for snd_rme96_trigger */
 183 #define RME96_TB_START_PLAYBACK 1
 184 #define RME96_TB_START_CAPTURE 2
 185 #define RME96_TB_STOP_PLAYBACK 4
 186 #define RME96_TB_STOP_CAPTURE 8
 187 #define RME96_TB_RESET_PLAYPOS 16
 188 #define RME96_TB_RESET_CAPTUREPOS 32
 189 #define RME96_TB_CLEAR_PLAYBACK_IRQ 64
 190 #define RME96_TB_CLEAR_CAPTURE_IRQ 128
 191 #define RME96_RESUME_PLAYBACK   (RME96_TB_START_PLAYBACK)
 192 #define RME96_RESUME_CAPTURE    (RME96_TB_START_CAPTURE)
 193 #define RME96_RESUME_BOTH       (RME96_RESUME_PLAYBACK \
 194                                 | RME96_RESUME_CAPTURE)
 195 #define RME96_START_PLAYBACK    (RME96_TB_START_PLAYBACK \
 196                                 | RME96_TB_RESET_PLAYPOS)
 197 #define RME96_START_CAPTURE     (RME96_TB_START_CAPTURE \
 198                                 | RME96_TB_RESET_CAPTUREPOS)
 199 #define RME96_START_BOTH        (RME96_START_PLAYBACK \
 200                                 | RME96_START_CAPTURE)
 201 #define RME96_STOP_PLAYBACK     (RME96_TB_STOP_PLAYBACK \
 202                                 | RME96_TB_CLEAR_PLAYBACK_IRQ)
 203 #define RME96_STOP_CAPTURE      (RME96_TB_STOP_CAPTURE \
 204                                 | RME96_TB_CLEAR_CAPTURE_IRQ)
 205 #define RME96_STOP_BOTH         (RME96_STOP_PLAYBACK \
 206                                 | RME96_STOP_CAPTURE)
 207
 208 struct rme96 {
 209         spinlock_t    lock;
 210         int irq;
 211         unsigned long port;
 212         void __iomem *iobase;
 213
 214         u32 wcreg;    /* cached write control register value */
 215         u32 wcreg_spdif;                /* S/PDIF setup */
 216         u32 wcreg_spdif_stream;         /* S/PDIF setup (temporary) */
 217         u32 rcreg;    /* cached read control register value */
 218         u32 areg;     /* cached additional register value */
 219         u16 vol[2]; /* cached volume of analog output */
 220
 221         u8 rev; /* card revision number */
 222
 223 #ifdef CONFIG_PM_SLEEP
 224         u32 playback_pointer;
 225         u32 capture_pointer;
 226         void *playback_suspend_buffer;
 227         void *capture_suspend_buffer;
 228 #endif
 229
 230         struct snd_pcm_substream *playback_substream;
 231         struct snd_pcm_substream *capture_substream;
 232
 233         int playback_frlog; /* log2 of framesize */
 234         int capture_frlog;
 235
 236         size_t playback_periodsize; /* in bytes, zero if not used */
 237         size_t capture_periodsize; /* in bytes, zero if not used */
 238
 239         struct snd_card *card;
 240         struct snd_pcm *spdif_pcm;
 241         struct snd_pcm *adat_pcm;
 242         struct pci_dev     *pci;
 243         struct snd_kcontrol   *spdif_ctl;
 244 };
 245
 246 static const struct pci_device_id snd_rme96_ids[] = {
 247         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
 248         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
 249         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
 250         { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
 251         { 0, }
 252 };
 253
 254 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
 255
 256 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
 257 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
 258 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 259 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
 260                                      (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 261 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
 262 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
 263                                   ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
 264 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
 265
 266 static int
 267 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
 268
 269 static int
 270 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
 271
 272 static int
 273 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
 274                            int cmd);
 275
 276 static int
 277 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
 278                           int cmd);
 279
 280 static snd_pcm_uframes_t
 281 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
 282
 283 static snd_pcm_uframes_t
 284 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
 285
 286 static void snd_rme96_proc_init(struct rme96 *rme96);
 287
 288 static int
 289 snd_rme96_create_switches(struct snd_card *card,
 290                           struct rme96 *rme96);
 291
 292 static int
 293 snd_rme96_getinputtype(struct rme96 *rme96);
 294
 295 static inline unsigned int
 296 snd_rme96_playback_ptr(struct rme96 *rme96)
 297 {
 298         return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
 299                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
 300 }
 301
 302 static inline unsigned int
 303 snd_rme96_capture_ptr(struct rme96 *rme96)
 304 {
 305         return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
 306                 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
 307 }
 308
 309 static int
 310 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
 311                            int channel, unsigned long pos, unsigned long count)
 312 {
 313         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 314
 315         memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 316                   0, count);
 317         return 0;
 318 }
 319
 320 static int
 321 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
 322                         int channel, unsigned long pos,
 323                         void __user *src, unsigned long count)
 324 {
 325         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 326
 327         return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 328                                    src, count);
 329 }
 330
 331 static int
 332 snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream,
 333                                int channel, unsigned long pos,
 334                                void *src, unsigned long count)
 335 {
 336         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 337
 338         memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count);
 339         return 0;
 340 }
 341
 342 static int
 343 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 344                        int channel, unsigned long pos,
 345                        void __user *dst, unsigned long count)
 346 {
 347         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 348
 349         return copy_to_user_fromio(dst,
 350                                    rme96->iobase + RME96_IO_REC_BUFFER + pos,
 351                                    count);
 352 }
 353
 354 static int
 355 snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream,
 356                               int channel, unsigned long pos,
 357                               void *dst, unsigned long count)
 358 {
 359         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 360
 361         memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count);
 362         return 0;
 363 }
 364
 365 /*
 366  * Digital output capabilities (S/PDIF)
 367  */
 368 static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 369 {
 370         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 371                               SNDRV_PCM_INFO_MMAP_VALID |
 372                               SNDRV_PCM_INFO_SYNC_START |
 373                               SNDRV_PCM_INFO_RESUME |
 374                               SNDRV_PCM_INFO_INTERLEAVED |
 375                               SNDRV_PCM_INFO_PAUSE),
 376         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 377                               SNDRV_PCM_FMTBIT_S32_LE),
 378         .rates =             (SNDRV_PCM_RATE_32000 |
 379                               SNDRV_PCM_RATE_44100 |
 380                               SNDRV_PCM_RATE_48000 |
 381                               SNDRV_PCM_RATE_64000 |
 382                               SNDRV_PCM_RATE_88200 |
 383                               SNDRV_PCM_RATE_96000),
 384         .rate_min =          32000,
 385         .rate_max =          96000,
 386         .channels_min =      2,
 387         .channels_max =      2,
 388         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 389         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 390         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 391         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 392         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 393         .fifo_size =         0,
 394 };
 395
 396 /*
 397  * Digital input capabilities (S/PDIF)
 398  */
 399 static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 400 {
 401         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 402                               SNDRV_PCM_INFO_MMAP_VALID |
 403                               SNDRV_PCM_INFO_SYNC_START |
 404                               SNDRV_PCM_INFO_RESUME |
 405                               SNDRV_PCM_INFO_INTERLEAVED |
 406                               SNDRV_PCM_INFO_PAUSE),
 407         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 408                               SNDRV_PCM_FMTBIT_S32_LE),
 409         .rates =             (SNDRV_PCM_RATE_32000 |
 410                               SNDRV_PCM_RATE_44100 |
 411                               SNDRV_PCM_RATE_48000 |
 412                               SNDRV_PCM_RATE_64000 |
 413                               SNDRV_PCM_RATE_88200 |
 414                               SNDRV_PCM_RATE_96000),
 415         .rate_min =          32000,
 416         .rate_max =          96000,
 417         .channels_min =      2,
 418         .channels_max =      2,
 419         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 420         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 421         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 422         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 423         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 424         .fifo_size =         0,
 425 };
 426
 427 /*
 428  * Digital output capabilities (ADAT)
 429  */
 430 static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
 431 {
 432         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 433                               SNDRV_PCM_INFO_MMAP_VALID |
 434                               SNDRV_PCM_INFO_SYNC_START |
 435                               SNDRV_PCM_INFO_RESUME |
 436                               SNDRV_PCM_INFO_INTERLEAVED |
 437                               SNDRV_PCM_INFO_PAUSE),
 438         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 439                               SNDRV_PCM_FMTBIT_S32_LE),
 440         .rates =             (SNDRV_PCM_RATE_44100 |
 441                               SNDRV_PCM_RATE_48000),
 442         .rate_min =          44100,
 443         .rate_max =          48000,
 444         .channels_min =      8,
 445         .channels_max =      8,
 446         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 447         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 448         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 449         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 450         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 451         .fifo_size =         0,
 452 };
 453
 454 /*
 455  * Digital input capabilities (ADAT)
 456  */
 457 static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
 458 {
 459         .info =              (SNDRV_PCM_INFO_MMAP_IOMEM |
 460                               SNDRV_PCM_INFO_MMAP_VALID |
 461                               SNDRV_PCM_INFO_SYNC_START |
 462                               SNDRV_PCM_INFO_RESUME |
 463                               SNDRV_PCM_INFO_INTERLEAVED |
 464                               SNDRV_PCM_INFO_PAUSE),
 465         .formats =           (SNDRV_PCM_FMTBIT_S16_LE |
 466                               SNDRV_PCM_FMTBIT_S32_LE),
 467         .rates =             (SNDRV_PCM_RATE_44100 |
 468                               SNDRV_PCM_RATE_48000),
 469         .rate_min =          44100,
 470         .rate_max =          48000,
 471         .channels_min =      8,
 472         .channels_max =      8,
 473         .buffer_bytes_max =  RME96_BUFFER_SIZE,
 474         .period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 475         .period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 476         .periods_min =       RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 477         .periods_max =       RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 478         .fifo_size =         0,
 479 };
 480
 481 /*
 482  * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 483  * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 484  * on the falling edge of CCLK and be stable on the rising edge.  The rising
 485  * edge of CLATCH after the last data bit clocks in the whole data word.
 486  * A fast processor could probably drive the SPI interface faster than the
 487  * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 488  * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 489  *
 490  * NOTE: increased delay from 1 to 10, since there where problems setting
 491  * the volume.
 492  */
 493 static void
 494 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
 495 {
 496         int i;
 497
 498         for (i = 0; i < 16; i++) {
 499                 if (val & 0x8000) {
 500                         rme96->areg |= RME96_AR_CDATA;
 501                 } else {
 502                         rme96->areg &= ~RME96_AR_CDATA;
 503                 }
 504                 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 505                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 506                 udelay(10);
 507                 rme96->areg |= RME96_AR_CCLK;
 508                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 509                 udelay(10);
 510                 val <<= 1;
 511         }
 512         rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 513         rme96->areg |= RME96_AR_CLATCH;
 514         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 515         udelay(10);
 516         rme96->areg &= ~RME96_AR_CLATCH;
 517         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 518 }
 519
 520 static void
 521 snd_rme96_apply_dac_volume(struct rme96 *rme96)
 522 {
 523         if (RME96_DAC_IS_1852(rme96)) {
 524                 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 525                 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 526         } else if (RME96_DAC_IS_1855(rme96)) {
 527                 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 528                 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 529         }
 530 }
 531
 532 static void
 533 snd_rme96_reset_dac(struct rme96 *rme96)
 534 {
 535         writel(rme96->wcreg | RME96_WCR_PD,
 536                rme96->iobase + RME96_IO_CONTROL_REGISTER);
 537         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 538 }
 539
 540 static int
 541 snd_rme96_getmontracks(struct rme96 *rme96)
 542 {
 543         return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 544                 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 545 }
 546
 547 static int
 548 snd_rme96_setmontracks(struct rme96 *rme96,
 549                        int montracks)
 550 {
 551         if (montracks & 1) {
 552                 rme96->wcreg |= RME96_WCR_MONITOR_0;
 553         } else {
 554                 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 555         }
 556         if (montracks & 2) {
 557                 rme96->wcreg |= RME96_WCR_MONITOR_1;
 558         } else {
 559                 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 560         }
 561         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 562         return 0;
 563 }
 564
 565 static int
 566 snd_rme96_getattenuation(struct rme96 *rme96)
 567 {
 568         return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 569                 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 570 }
 571
 572 static int
 573 snd_rme96_setattenuation(struct rme96 *rme96,
 574                          int attenuation)
 575 {
 576         switch (attenuation) {
 577         case 0:
 578                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 579                         ~RME96_WCR_GAIN_1;
 580                 break;
 581         case 1:
 582                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 583                         ~RME96_WCR_GAIN_1;
 584                 break;
 585         case 2:
 586                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 587                         RME96_WCR_GAIN_1;
 588                 break;
 589         case 3:
 590                 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 591                         RME96_WCR_GAIN_1;
 592                 break;
 593         default:
 594                 return -EINVAL;
 595         }
 596         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 597         return 0;
 598 }
 599
 600 static int
 601 snd_rme96_capture_getrate(struct rme96 *rme96,
 602                           int *is_adat)
 603 {
 604         int n, rate;
 605
 606         *is_adat = 0;
 607         if (rme96->areg & RME96_AR_ANALOG) {
 608                 /* Analog input, overrides S/PDIF setting */
 609                 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 610                         (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 611                 switch (n) {
 612                 case 1:
 613                         rate = 32000;
 614                         break;
 615                 case 2:
 616                         rate = 44100;
 617                         break;
 618                 case 3:
 619                         rate = 48000;
 620                         break;
 621                 default:
 622                         return -1;
 623                 }
 624                 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 625         }
 626
 627         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 628         if (rme96->rcreg & RME96_RCR_LOCK) {
 629                 /* ADAT rate */
 630                 *is_adat = 1;
 631                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 632                         return 48000;
 633                 }
 634                 return 44100;
 635         }
 636
 637         if (rme96->rcreg & RME96_RCR_VERF) {
 638                 return -1;
 639         }
 640
 641         /* S/PDIF rate */
 642         n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 643                 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 644                 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 645
 646         switch (n) {
 647         case 0:
 648                 if (rme96->rcreg & RME96_RCR_T_OUT) {
 649                         return 64000;
 650                 }
 651                 return -1;
 652         case 3: return 96000;
 653         case 4: return 88200;
 654         case 5: return 48000;
 655         case 6: return 44100;
 656         case 7: return 32000;
 657         default:
 658                 break;
 659         }
 660         return -1;
 661 }
 662
 663 static int
 664 snd_rme96_playback_getrate(struct rme96 *rme96)
 665 {
 666         int rate, dummy;
 667
 668         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 669             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 670             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 671         {
 672                 /* slave clock */
 673                 return rate;
 674         }
 675         rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 676                 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 677         switch (rate) {
 678         case 1:
 679                 rate = 32000;
 680                 break;
 681         case 2:
 682                 rate = 44100;
 683                 break;
 684         case 3:
 685                 rate = 48000;
 686                 break;
 687         default:
 688                 return -1;
 689         }
 690         return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 691 }
 692
 693 static int
 694 snd_rme96_playback_setrate(struct rme96 *rme96,
 695                            int rate)
 696 {
 697         int ds;
 698
 699         ds = rme96->wcreg & RME96_WCR_DS;
 700         switch (rate) {
 701         case 32000:
 702                 rme96->wcreg &= ~RME96_WCR_DS;
 703                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 704                         ~RME96_WCR_FREQ_1;
 705                 break;
 706         case 44100:
 707                 rme96->wcreg &= ~RME96_WCR_DS;
 708                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 709                         ~RME96_WCR_FREQ_0;
 710                 break;
 711         case 48000:
 712                 rme96->wcreg &= ~RME96_WCR_DS;
 713                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 714                         RME96_WCR_FREQ_1;
 715                 break;
 716         case 64000:
 717                 rme96->wcreg |= RME96_WCR_DS;
 718                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 719                         ~RME96_WCR_FREQ_1;
 720                 break;
 721         case 88200:
 722                 rme96->wcreg |= RME96_WCR_DS;
 723                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 724                         ~RME96_WCR_FREQ_0;
 725                 break;
 726         case 96000:
 727                 rme96->wcreg |= RME96_WCR_DS;
 728                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 729                         RME96_WCR_FREQ_1;
 730                 break;
 731         default:
 732                 return -EINVAL;
 733         }
 734         if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 735             (ds && !(rme96->wcreg & RME96_WCR_DS)))
 736         {
 737                 /* change to/from double-speed: reset the DAC (if available) */
 738                 snd_rme96_reset_dac(rme96);
 739                 return 1; /* need to restore volume */
 740         } else {
 741                 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 742                 return 0;
 743         }
 744 }
 745
 746 static int
 747 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 748                                  int rate)
 749 {
 750         switch (rate) {
 751         case 32000:
 752                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 753                                ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 754                 break;
 755         case 44100:
 756                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 757                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 758                 break;
 759         case 48000:
 760                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 761                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 762                 break;
 763         case 64000:
 764                 if (rme96->rev < 4) {
 765                         return -EINVAL;
 766                 }
 767                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 768                                ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 769                 break;
 770         case 88200:
 771                 if (rme96->rev < 4) {
 772                         return -EINVAL;
 773                 }
 774                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 775                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 776                 break;
 777         case 96000:
 778                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 779                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 780                 break;
 781         default:
 782                 return -EINVAL;
 783         }
 784         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 785         return 0;
 786 }
 787
 788 static int
 789 snd_rme96_setclockmode(struct rme96 *rme96,
 790                        int mode)
 791 {
 792         switch (mode) {
 793         case RME96_CLOCKMODE_SLAVE:
 794                 /* AutoSync */
 795                 rme96->wcreg &= ~RME96_WCR_MASTER;
 796                 rme96->areg &= ~RME96_AR_WSEL;
 797                 break;
 798         case RME96_CLOCKMODE_MASTER:
 799                 /* Internal */
 800                 rme96->wcreg |= RME96_WCR_MASTER;
 801                 rme96->areg &= ~RME96_AR_WSEL;
 802                 break;
 803         case RME96_CLOCKMODE_WORDCLOCK:
 804                 /* Word clock is a master mode */
 805                 rme96->wcreg |= RME96_WCR_MASTER;
 806                 rme96->areg |= RME96_AR_WSEL;
 807                 break;
 808         default:
 809                 return -EINVAL;
 810         }
 811         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 812         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 813         return 0;
 814 }
 815
 816 static int
 817 snd_rme96_getclockmode(struct rme96 *rme96)
 818 {
 819         if (rme96->areg & RME96_AR_WSEL) {
 820                 return RME96_CLOCKMODE_WORDCLOCK;
 821         }
 822         return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 823                 RME96_CLOCKMODE_SLAVE;
 824 }
 825
 826 static int
 827 snd_rme96_setinputtype(struct rme96 *rme96,
 828                        int type)
 829 {
 830         int n;
 831
 832         switch (type) {
 833         case RME96_INPUT_OPTICAL:
 834                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 835                         ~RME96_WCR_INP_1;
 836                 break;
 837         case RME96_INPUT_COAXIAL:
 838                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 839                         ~RME96_WCR_INP_1;
 840                 break;
 841         case RME96_INPUT_INTERNAL:
 842                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 843                         RME96_WCR_INP_1;
 844                 break;
 845         case RME96_INPUT_XLR:
 846                 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 847                      rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 848                     (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 849                      rme96->rev > 4))
 850                 {
 851                         /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 852                         return -EINVAL;
 853                 }
 854                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 855                         RME96_WCR_INP_1;
 856                 break;
 857         case RME96_INPUT_ANALOG:
 858                 if (!RME96_HAS_ANALOG_IN(rme96)) {
 859                         return -EINVAL;
 860                 }
 861                 rme96->areg |= RME96_AR_ANALOG;
 862                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 863                 if (rme96->rev < 4) {
 864                         /*
 865                          * Revision less than 004 does not support 64 and
 866                          * 88.2 kHz
 867                          */
 868                         if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 869                                 snd_rme96_capture_analog_setrate(rme96, 44100);
 870                         }
 871                         if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 872                                 snd_rme96_capture_analog_setrate(rme96, 32000);
 873                         }
 874                 }
 875                 return 0;
 876         default:
 877                 return -EINVAL;
 878         }
 879         if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 880                 rme96->areg &= ~RME96_AR_ANALOG;
 881                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 882         }
 883         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 884         return 0;
 885 }
 886
 887 static int
 888 snd_rme96_getinputtype(struct rme96 *rme96)
 889 {
 890         if (rme96->areg & RME96_AR_ANALOG) {
 891                 return RME96_INPUT_ANALOG;
 892         }
 893         return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 894                 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 895 }
 896
 897 static void
 898 snd_rme96_setframelog(struct rme96 *rme96,
 899                       int n_channels,
 900                       int is_playback)
 901 {
 902         int frlog;
 903
 904         if (n_channels == 2) {
 905                 frlog = 1;
 906         } else {
 907                 /* assume 8 channels */
 908                 frlog = 3;
 909         }
 910         if (is_playback) {
 911                 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 912                 rme96->playback_frlog = frlog;
 913         } else {
 914                 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 915                 rme96->capture_frlog = frlog;
 916         }
 917 }
 918
 919 static int
 920 snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 921 {
 922         switch (format) {
 923         case SNDRV_PCM_FORMAT_S16_LE:
 924                 rme96->wcreg &= ~RME96_WCR_MODE24;
 925                 break;
 926         case SNDRV_PCM_FORMAT_S32_LE:
 927                 rme96->wcreg |= RME96_WCR_MODE24;
 928                 break;
 929         default:
 930                 return -EINVAL;
 931         }
 932         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 933         return 0;
 934 }
 935
 936 static int
 937 snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 938 {
 939         switch (format) {
 940         case SNDRV_PCM_FORMAT_S16_LE:
 941                 rme96->wcreg &= ~RME96_WCR_MODE24_2;
 942                 break;
 943         case SNDRV_PCM_FORMAT_S32_LE:
 944                 rme96->wcreg |= RME96_WCR_MODE24_2;
 945                 break;
 946         default:
 947                 return -EINVAL;
 948         }
 949         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 950         return 0;
 951 }
 952
 953 static void
 954 snd_rme96_set_period_properties(struct rme96 *rme96,
 955                                 size_t period_bytes)
 956 {
 957         switch (period_bytes) {
 958         case RME96_LARGE_BLOCK_SIZE:
 959                 rme96->wcreg &= ~RME96_WCR_ISEL;
 960                 break;
 961         case RME96_SMALL_BLOCK_SIZE:
 962                 rme96->wcreg |= RME96_WCR_ISEL;
 963                 break;
 964         default:
 965                 snd_BUG();
 966                 break;
 967         }
 968         rme96->wcreg &= ~RME96_WCR_IDIS;
 969         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 970 }
 971
 972 static int
 973 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 974                              struct snd_pcm_hw_params *params)
 975 {
 976         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 977         struct snd_pcm_runtime *runtime = substream->runtime;
 978         int err, rate, dummy;
 979         bool apply_dac_volume = false;
 980
 981         runtime->dma_area = (void __force *)(rme96->iobase +
 982                                              RME96_IO_PLAY_BUFFER);
 983         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 984         runtime->dma_bytes = RME96_BUFFER_SIZE;
 985
 986         spin_lock_irq(&rme96->lock);
 987         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 988             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 989             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 990         {
 991                 /* slave clock */
 992                 if ((int)params_rate(params) != rate) {
 993                         err = -EIO;
 994                         goto error;
 995                 }
 996         } else {
 997                 err = snd_rme96_playback_setrate(rme96, params_rate(params));
 998                 if (err < 0)
 999                         goto error;
1000                 apply_dac_volume = err > 0; /* need to restore volume later? */
1001         }
1002
1003         err = snd_rme96_playback_setformat(rme96, params_format(params));
1004         if (err < 0)
1005                 goto error;
1006         snd_rme96_setframelog(rme96, params_channels(params), 1);
1007         if (rme96->capture_periodsize != 0) {
1008                 if (params_period_size(params) << rme96->playback_frlog !=
1009                     rme96->capture_periodsize)
1010                 {
1011                         err = -EBUSY;
1012                         goto error;
1013                 }
1014         }
1015         rme96->playback_periodsize =
1016                 params_period_size(params) << rme96->playback_frlog;
1017         snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1018         /* S/PDIF setup */
1019         if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1020                 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1021                 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1022         }
1023
1024         err = 0;
1025  error:
1026         spin_unlock_irq(&rme96->lock);
1027         if (apply_dac_volume) {
1028                 usleep_range(3000, 10000);
1029                 snd_rme96_apply_dac_volume(rme96);
1030         }
1031
1032         return err;
1033 }
1034
1035 static int
1036 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1037                             struct snd_pcm_hw_params *params)
1038 {
1039         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1040         struct snd_pcm_runtime *runtime = substream->runtime;
1041         int err, isadat, rate;
1042
1043         runtime->dma_area = (void __force *)(rme96->iobase +
1044                                              RME96_IO_REC_BUFFER);
1045         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1046         runtime->dma_bytes = RME96_BUFFER_SIZE;
1047
1048         spin_lock_irq(&rme96->lock);
1049         if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1050                 spin_unlock_irq(&rme96->lock);
1051                 return err;
1052         }
1053         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1054                 if ((err = snd_rme96_capture_analog_setrate(rme96,
1055                                                             params_rate(params))) < 0)
1056                 {
1057                         spin_unlock_irq(&rme96->lock);
1058                         return err;
1059                 }
1060         } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1061                 if ((int)params_rate(params) != rate) {
1062                         spin_unlock_irq(&rme96->lock);
1063                         return -EIO;
1064                 }
1065                 if ((isadat && runtime->hw.channels_min == 2) ||
1066                     (!isadat && runtime->hw.channels_min == 8))
1067                 {
1068                         spin_unlock_irq(&rme96->lock);
1069                         return -EIO;
1070                 }
1071         }
1072         snd_rme96_setframelog(rme96, params_channels(params), 0);
1073         if (rme96->playback_periodsize != 0) {
1074                 if (params_period_size(params) << rme96->capture_frlog !=
1075                     rme96->playback_periodsize)
1076                 {
1077                         spin_unlock_irq(&rme96->lock);
1078                         return -EBUSY;
1079                 }
1080         }
1081         rme96->capture_periodsize =
1082                 params_period_size(params) << rme96->capture_frlog;
1083         snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1084         spin_unlock_irq(&rme96->lock);
1085
1086         return 0;
1087 }
1088
1089 static void
1090 snd_rme96_trigger(struct rme96 *rme96,
1091                   int op)
1092 {
1093         if (op & RME96_TB_RESET_PLAYPOS)
1094                 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1095         if (op & RME96_TB_RESET_CAPTUREPOS)
1096                 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1097         if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1098                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1099                 if (rme96->rcreg & RME96_RCR_IRQ)
1100                         writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1101         }
1102         if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1103                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1104                 if (rme96->rcreg & RME96_RCR_IRQ_2)
1105                         writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1106         }
1107         if (op & RME96_TB_START_PLAYBACK)
1108                 rme96->wcreg |= RME96_WCR_START;
1109         if (op & RME96_TB_STOP_PLAYBACK)
1110                 rme96->wcreg &= ~RME96_WCR_START;
1111         if (op & RME96_TB_START_CAPTURE)
1112                 rme96->wcreg |= RME96_WCR_START_2;
1113         if (op & RME96_TB_STOP_CAPTURE)
1114                 rme96->wcreg &= ~RME96_WCR_START_2;
1115         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1116 }
1117
1118
1119
1120 static irqreturn_t
1121 snd_rme96_interrupt(int irq,
1122                     void *dev_id)
1123 {
1124         struct rme96 *rme96 = (struct rme96 *)dev_id;
1125
1126         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1127         /* fastpath out, to ease interrupt sharing */
1128         if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1129               (rme96->rcreg & RME96_RCR_IRQ_2)))
1130         {
1131                 return IRQ_NONE;
1132         }
1133
1134         if (rme96->rcreg & RME96_RCR_IRQ) {
1135                 /* playback */
1136                 snd_pcm_period_elapsed(rme96->playback_substream);
1137                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1138         }
1139         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1140                 /* capture */
1141                 snd_pcm_period_elapsed(rme96->capture_substream);
1142                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1143         }
1144         return IRQ_HANDLED;
1145 }
1146
1147 static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1148
1149 static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1150         .count = ARRAY_SIZE(period_bytes),
1151         .list = period_bytes,
1152         .mask = 0
1153 };
1154
1155 static void
1156 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1157                                  struct snd_pcm_runtime *runtime)
1158 {
1159         unsigned int size;
1160
1161         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1162                                      RME96_BUFFER_SIZE);
1163         if ((size = rme96->playback_periodsize) != 0 ||
1164             (size = rme96->capture_periodsize) != 0)
1165                 snd_pcm_hw_constraint_single(runtime,
1166                                              SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1167                                              size);
1168         else
1169                 snd_pcm_hw_constraint_list(runtime, 0,
1170                                            SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1171                                            &hw_constraints_period_bytes);
1172 }
1173
1174 static int
1175 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1176 {
1177         int rate, dummy;
1178         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1179         struct snd_pcm_runtime *runtime = substream->runtime;
1180
1181         snd_pcm_set_sync(substream);
1182         spin_lock_irq(&rme96->lock);
1183         if (rme96->playback_substream) {
1184                 spin_unlock_irq(&rme96->lock);
1185                 return -EBUSY;
1186         }
1187         rme96->wcreg &= ~RME96_WCR_ADAT;
1188         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1189         rme96->playback_substream = substream;
1190         spin_unlock_irq(&rme96->lock);
1191
1192         runtime->hw = snd_rme96_playback_spdif_info;
1193         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1194             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1195             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1196         {
1197                 /* slave clock */
1198                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1199                 runtime->hw.rate_min = rate;
1200                 runtime->hw.rate_max = rate;
1201         }
1202         rme96_set_buffer_size_constraint(rme96, runtime);
1203
1204         rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1205         rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1206         snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1207                        SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1208         return 0;
1209 }
1210
1211 static int
1212 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1213 {
1214         int isadat, rate;
1215         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1216         struct snd_pcm_runtime *runtime = substream->runtime;
1217
1218         snd_pcm_set_sync(substream);
1219         runtime->hw = snd_rme96_capture_spdif_info;
1220         if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1221             (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1222         {
1223                 if (isadat) {
1224                         return -EIO;
1225                 }
1226                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1227                 runtime->hw.rate_min = rate;
1228                 runtime->hw.rate_max = rate;
1229         }
1230
1231         spin_lock_irq(&rme96->lock);
1232         if (rme96->capture_substream) {
1233                 spin_unlock_irq(&rme96->lock);
1234                 return -EBUSY;
1235         }
1236         rme96->capture_substream = substream;
1237         spin_unlock_irq(&rme96->lock);
1238
1239         rme96_set_buffer_size_constraint(rme96, runtime);
1240         return 0;
1241 }
1242
1243 static int
1244 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1245 {
1246         int rate, dummy;
1247         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1248         struct snd_pcm_runtime *runtime = substream->runtime;
1249
1250         snd_pcm_set_sync(substream);
1251         spin_lock_irq(&rme96->lock);
1252         if (rme96->playback_substream) {
1253                 spin_unlock_irq(&rme96->lock);
1254                 return -EBUSY;
1255         }
1256         rme96->wcreg |= RME96_WCR_ADAT;
1257         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1258         rme96->playback_substream = substream;
1259         spin_unlock_irq(&rme96->lock);
1260
1261         runtime->hw = snd_rme96_playback_adat_info;
1262         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1263             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1264             (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1265         {
1266                 /* slave clock */
1267                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1268                 runtime->hw.rate_min = rate;
1269                 runtime->hw.rate_max = rate;
1270         }
1271         rme96_set_buffer_size_constraint(rme96, runtime);
1272         return 0;
1273 }
1274
1275 static int
1276 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1277 {
1278         int isadat, rate;
1279         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1280         struct snd_pcm_runtime *runtime = substream->runtime;
1281
1282         snd_pcm_set_sync(substream);
1283         runtime->hw = snd_rme96_capture_adat_info;
1284         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1285                 /* makes no sense to use analog input. Note that analog
1286                    expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1287                 return -EIO;
1288         }
1289         if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1290                 if (!isadat) {
1291                         return -EIO;
1292                 }
1293                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1294                 runtime->hw.rate_min = rate;
1295                 runtime->hw.rate_max = rate;
1296         }
1297
1298         spin_lock_irq(&rme96->lock);
1299         if (rme96->capture_substream) {
1300                 spin_unlock_irq(&rme96->lock);
1301                 return -EBUSY;
1302         }
1303         rme96->capture_substream = substream;
1304         spin_unlock_irq(&rme96->lock);
1305
1306         rme96_set_buffer_size_constraint(rme96, runtime);
1307         return 0;
1308 }
1309
1310 static int
1311 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1312 {
1313         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1314         int spdif = 0;
1315
1316         spin_lock_irq(&rme96->lock);
1317         if (RME96_ISPLAYING(rme96)) {
1318                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1319         }
1320         rme96->playback_substream = NULL;
1321         rme96->playback_periodsize = 0;
1322         spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1323         spin_unlock_irq(&rme96->lock);
1324         if (spdif) {
1325                 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1326                 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1327                                SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1328         }
1329         return 0;
1330 }
1331
1332 static int
1333 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1334 {
1335         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1336
1337         spin_lock_irq(&rme96->lock);
1338         if (RME96_ISRECORDING(rme96)) {
1339                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1340         }
1341         rme96->capture_substream = NULL;
1342         rme96->capture_periodsize = 0;
1343         spin_unlock_irq(&rme96->lock);
1344         return 0;
1345 }
1346
1347 static int
1348 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1349 {
1350         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1351
1352         spin_lock_irq(&rme96->lock);
1353         if (RME96_ISPLAYING(rme96)) {
1354                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1355         }
1356         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1357         spin_unlock_irq(&rme96->lock);
1358         return 0;
1359 }
1360
1361 static int
1362 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1363 {
1364         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1365
1366         spin_lock_irq(&rme96->lock);
1367         if (RME96_ISRECORDING(rme96)) {
1368                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1369         }
1370         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1371         spin_unlock_irq(&rme96->lock);
1372         return 0;
1373 }
1374
1375 static int
1376 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1377                            int cmd)
1378 {
1379         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1380         struct snd_pcm_substream *s;
1381         bool sync;
1382
1383         snd_pcm_group_for_each_entry(s, substream) {
1384                 if (snd_pcm_substream_chip(s) == rme96)
1385                         snd_pcm_trigger_done(s, substream);
1386         }
1387
1388         sync = (rme96->playback_substream && rme96->capture_substream) &&
1389                (rme96->playback_substream->group ==
1390                 rme96->capture_substream->group);
1391
1392         switch (cmd) {
1393         case SNDRV_PCM_TRIGGER_START:
1394                 if (!RME96_ISPLAYING(rme96)) {
1395                         if (substream != rme96->playback_substream)
1396                                 return -EBUSY;
1397                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1398                                                  : RME96_START_PLAYBACK);
1399                 }
1400                 break;
1401
1402         case SNDRV_PCM_TRIGGER_SUSPEND:
1403         case SNDRV_PCM_TRIGGER_STOP:
1404                 if (RME96_ISPLAYING(rme96)) {
1405                         if (substream != rme96->playback_substream)
1406                                 return -EBUSY;
1407                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1408                                                  :  RME96_STOP_PLAYBACK);
1409                 }
1410                 break;
1411
1412         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1413                 if (RME96_ISPLAYING(rme96))
1414                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1415                                                  : RME96_STOP_PLAYBACK);
1416                 break;
1417
1418         case SNDRV_PCM_TRIGGER_RESUME:
1419         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1420                 if (!RME96_ISPLAYING(rme96))
1421                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1422                                                  : RME96_RESUME_PLAYBACK);
1423                 break;
1424
1425         default:
1426                 return -EINVAL;
1427         }
1428
1429         return 0;
1430 }
1431
1432 static int
1433 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1434                           int cmd)
1435 {
1436         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1437         struct snd_pcm_substream *s;
1438         bool sync;
1439
1440         snd_pcm_group_for_each_entry(s, substream) {
1441                 if (snd_pcm_substream_chip(s) == rme96)
1442                         snd_pcm_trigger_done(s, substream);
1443         }
1444
1445         sync = (rme96->playback_substream && rme96->capture_substream) &&
1446                (rme96->playback_substream->group ==
1447                 rme96->capture_substream->group);
1448
1449         switch (cmd) {
1450         case SNDRV_PCM_TRIGGER_START:
1451                 if (!RME96_ISRECORDING(rme96)) {
1452                         if (substream != rme96->capture_substream)
1453                                 return -EBUSY;
1454                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1455                                                  : RME96_START_CAPTURE);
1456                 }
1457                 break;
1458
1459         case SNDRV_PCM_TRIGGER_SUSPEND:
1460         case SNDRV_PCM_TRIGGER_STOP:
1461                 if (RME96_ISRECORDING(rme96)) {
1462                         if (substream != rme96->capture_substream)
1463                                 return -EBUSY;
1464                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1465                                                  : RME96_STOP_CAPTURE);
1466                 }
1467                 break;
1468
1469         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1470                 if (RME96_ISRECORDING(rme96))
1471                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1472                                                  : RME96_STOP_CAPTURE);
1473                 break;
1474
1475         case SNDRV_PCM_TRIGGER_RESUME:
1476         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1477                 if (!RME96_ISRECORDING(rme96))
1478                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1479                                                  : RME96_RESUME_CAPTURE);
1480                 break;
1481
1482         default:
1483                 return -EINVAL;
1484         }
1485
1486         return 0;
1487 }
1488
1489 static snd_pcm_uframes_t
1490 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1491 {
1492         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1493         return snd_rme96_playback_ptr(rme96);
1494 }
1495
1496 static snd_pcm_uframes_t
1497 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1498 {
1499         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1500         return snd_rme96_capture_ptr(rme96);
1501 }
1502
1503 static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1504         .open =         snd_rme96_playback_spdif_open,
1505         .close =        snd_rme96_playback_close,
1506         .hw_params =    snd_rme96_playback_hw_params,
1507         .prepare =      snd_rme96_playback_prepare,
1508         .trigger =      snd_rme96_playback_trigger,
1509         .pointer =      snd_rme96_playback_pointer,
1510         .copy_user =    snd_rme96_playback_copy,
1511         .copy_kernel =  snd_rme96_playback_copy_kernel,
1512         .fill_silence = snd_rme96_playback_silence,
1513         .mmap =         snd_pcm_lib_mmap_iomem,
1514 };
1515
1516 static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1517         .open =         snd_rme96_capture_spdif_open,
1518         .close =        snd_rme96_capture_close,
1519         .hw_params =    snd_rme96_capture_hw_params,
1520         .prepare =      snd_rme96_capture_prepare,
1521         .trigger =      snd_rme96_capture_trigger,
1522         .pointer =      snd_rme96_capture_pointer,
1523         .copy_user =    snd_rme96_capture_copy,
1524         .copy_kernel =  snd_rme96_capture_copy_kernel,
1525         .mmap =         snd_pcm_lib_mmap_iomem,
1526 };
1527
1528 static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1529         .open =         snd_rme96_playback_adat_open,
1530         .close =        snd_rme96_playback_close,
1531         .hw_params =    snd_rme96_playback_hw_params,
1532         .prepare =      snd_rme96_playback_prepare,
1533         .trigger =      snd_rme96_playback_trigger,
1534         .pointer =      snd_rme96_playback_pointer,
1535         .copy_user =    snd_rme96_playback_copy,
1536         .copy_kernel =  snd_rme96_playback_copy_kernel,
1537         .fill_silence = snd_rme96_playback_silence,
1538         .mmap =         snd_pcm_lib_mmap_iomem,
1539 };
1540
1541 static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1542         .open =         snd_rme96_capture_adat_open,
1543         .close =        snd_rme96_capture_close,
1544         .hw_params =    snd_rme96_capture_hw_params,
1545         .prepare =      snd_rme96_capture_prepare,
1546         .trigger =      snd_rme96_capture_trigger,
1547         .pointer =      snd_rme96_capture_pointer,
1548         .copy_user =    snd_rme96_capture_copy,
1549         .copy_kernel =  snd_rme96_capture_copy_kernel,
1550         .mmap =         snd_pcm_lib_mmap_iomem,
1551 };
1552
1553 static void
1554 snd_rme96_free(void *private_data)
1555 {
1556         struct rme96 *rme96 = (struct rme96 *)private_data;
1557
1558         if (!rme96)
1559                 return;
1560
1561         if (rme96->irq >= 0) {
1562                 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1563                 rme96->areg &= ~RME96_AR_DAC_EN;
1564                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1565                 free_irq(rme96->irq, (void *)rme96);
1566                 rme96->irq = -1;
1567         }
1568         if (rme96->iobase) {
1569                 iounmap(rme96->iobase);
1570                 rme96->iobase = NULL;
1571         }
1572         if (rme96->port) {
1573                 pci_release_regions(rme96->pci);
1574                 rme96->port = 0;
1575         }
1576 #ifdef CONFIG_PM_SLEEP
1577         vfree(rme96->playback_suspend_buffer);
1578         vfree(rme96->capture_suspend_buffer);
1579 #endif
1580         pci_disable_device(rme96->pci);
1581 }
1582
1583 static void
1584 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1585 {
1586         struct rme96 *rme96 = pcm->private_data;
1587         rme96->spdif_pcm = NULL;
1588 }
1589
1590 static void
1591 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1592 {
1593         struct rme96 *rme96 = pcm->private_data;
1594         rme96->adat_pcm = NULL;
1595 }
1596
1597 static int
1598 snd_rme96_create(struct rme96 *rme96)
1599 {
1600         struct pci_dev *pci = rme96->pci;
1601         int err;
1602
1603         rme96->irq = -1;
1604         spin_lock_init(&rme96->lock);
1605
1606         if ((err = pci_enable_device(pci)) < 0)
1607                 return err;
1608
1609         if ((err = pci_request_regions(pci, "RME96")) < 0)
1610                 return err;
1611         rme96->port = pci_resource_start(rme96->pci, 0);
1612
1613         rme96->iobase = ioremap(rme96->port, RME96_IO_SIZE);
1614         if (!rme96->iobase) {
1615                 dev_err(rme96->card->dev,
1616                         "unable to remap memory region 0x%lx-0x%lx\n",
1617                         rme96->port, rme96->port + RME96_IO_SIZE - 1);
1618                 return -ENOMEM;
1619         }
1620
1621         if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1622                         KBUILD_MODNAME, rme96)) {
1623                 dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1624                 return -EBUSY;
1625         }
1626         rme96->irq = pci->irq;
1627         rme96->card->sync_irq = rme96->irq;
1628
1629         /* read the card's revision number */
1630         pci_read_config_byte(pci, 8, &rme96->rev);
1631
1632         /* set up ALSA pcm device for S/PDIF */
1633         if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1634                                1, 1, &rme96->spdif_pcm)) < 0)
1635         {
1636                 return err;
1637         }
1638         rme96->spdif_pcm->private_data = rme96;
1639         rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1640         strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1641         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1642         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1643
1644         rme96->spdif_pcm->info_flags = 0;
1645
1646         /* set up ALSA pcm device for ADAT */
1647         if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1648                 /* ADAT is not available on the base model */
1649                 rme96->adat_pcm = NULL;
1650         } else {
1651                 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1652                                        1, 1, &rme96->adat_pcm)) < 0)
1653                 {
1654                         return err;
1655                 }
1656                 rme96->adat_pcm->private_data = rme96;
1657                 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1658                 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1659                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1660                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1661
1662                 rme96->adat_pcm->info_flags = 0;
1663         }
1664
1665         rme96->playback_periodsize = 0;
1666         rme96->capture_periodsize = 0;
1667
1668         /* make sure playback/capture is stopped, if by some reason active */
1669         snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1670
1671         /* set default values in registers */
1672         rme96->wcreg =
1673                 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1674                 RME96_WCR_SEL |    /* normal playback */
1675                 RME96_WCR_MASTER | /* set to master clock mode */
1676                 RME96_WCR_INP_0;   /* set coaxial input */
1677
1678         rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1679
1680         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1681         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1682
1683         /* reset the ADC */
1684         writel(rme96->areg | RME96_AR_PD2,
1685                rme96->iobase + RME96_IO_ADDITIONAL_REG);
1686         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1687
1688         /* reset and enable the DAC (order is important). */
1689         snd_rme96_reset_dac(rme96);
1690         rme96->areg |= RME96_AR_DAC_EN;
1691         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1692
1693         /* reset playback and record buffer pointers */
1694         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1695         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1696
1697         /* reset volume */
1698         rme96->vol[0] = rme96->vol[1] = 0;
1699         if (RME96_HAS_ANALOG_OUT(rme96)) {
1700                 snd_rme96_apply_dac_volume(rme96);
1701         }
1702
1703         /* init switch interface */
1704         if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1705                 return err;
1706         }
1707
1708         /* init proc interface */
1709         snd_rme96_proc_init(rme96);
1710
1711         return 0;
1712 }
1713
1714 /*
1715  * proc interface
1716  */
1717
1718 static void
1719 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1720 {
1721         int n;
1722         struct rme96 *rme96 = entry->private_data;
1723
1724         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1725
1726         snd_iprintf(buffer, rme96->card->longname);
1727         snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1728
1729         snd_iprintf(buffer, "\nGeneral settings\n");
1730         if (rme96->wcreg & RME96_WCR_IDIS) {
1731                 snd_iprintf(buffer, "  period size: N/A (interrupts "
1732                             "disabled)\n");
1733         } else if (rme96->wcreg & RME96_WCR_ISEL) {
1734                 snd_iprintf(buffer, "  period size: 2048 bytes\n");
1735         } else {
1736                 snd_iprintf(buffer, "  period size: 8192 bytes\n");
1737         }
1738         snd_iprintf(buffer, "\nInput settings\n");
1739         switch (snd_rme96_getinputtype(rme96)) {
1740         case RME96_INPUT_OPTICAL:
1741                 snd_iprintf(buffer, "  input: optical");
1742                 break;
1743         case RME96_INPUT_COAXIAL:
1744                 snd_iprintf(buffer, "  input: coaxial");
1745                 break;
1746         case RME96_INPUT_INTERNAL:
1747                 snd_iprintf(buffer, "  input: internal");
1748                 break;
1749         case RME96_INPUT_XLR:
1750                 snd_iprintf(buffer, "  input: XLR");
1751                 break;
1752         case RME96_INPUT_ANALOG:
1753                 snd_iprintf(buffer, "  input: analog");
1754                 break;
1755         }
1756         if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1757                 snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1758         } else {
1759                 if (n) {
1760                         snd_iprintf(buffer, " (8 channels)\n");
1761                 } else {
1762                         snd_iprintf(buffer, " (2 channels)\n");
1763                 }
1764                 snd_iprintf(buffer, "  sample rate: %d Hz\n",
1765                             snd_rme96_capture_getrate(rme96, &n));
1766         }
1767         if (rme96->wcreg & RME96_WCR_MODE24_2) {
1768                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1769         } else {
1770                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1771         }
1772
1773         snd_iprintf(buffer, "\nOutput settings\n");
1774         if (rme96->wcreg & RME96_WCR_SEL) {
1775                 snd_iprintf(buffer, "  output signal: normal playback\n");
1776         } else {
1777                 snd_iprintf(buffer, "  output signal: same as input\n");
1778         }
1779         snd_iprintf(buffer, "  sample rate: %d Hz\n",
1780                     snd_rme96_playback_getrate(rme96));
1781         if (rme96->wcreg & RME96_WCR_MODE24) {
1782                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1783         } else {
1784                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1785         }
1786         if (rme96->areg & RME96_AR_WSEL) {
1787                 snd_iprintf(buffer, "  sample clock source: word clock\n");
1788         } else if (rme96->wcreg & RME96_WCR_MASTER) {
1789                 snd_iprintf(buffer, "  sample clock source: internal\n");
1790         } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1791                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1792         } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1793                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1794         } else {
1795                 snd_iprintf(buffer, "  sample clock source: autosync\n");
1796         }
1797         if (rme96->wcreg & RME96_WCR_PRO) {
1798                 snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1799         } else {
1800                 snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1801         }
1802         if (rme96->wcreg & RME96_WCR_EMP) {
1803                 snd_iprintf(buffer, "  emphasis: on\n");
1804         } else {
1805                 snd_iprintf(buffer, "  emphasis: off\n");
1806         }
1807         if (rme96->wcreg & RME96_WCR_DOLBY) {
1808                 snd_iprintf(buffer, "  non-audio (dolby): on\n");
1809         } else {
1810                 snd_iprintf(buffer, "  non-audio (dolby): off\n");
1811         }
1812         if (RME96_HAS_ANALOG_IN(rme96)) {
1813                 snd_iprintf(buffer, "\nAnalog output settings\n");
1814                 switch (snd_rme96_getmontracks(rme96)) {
1815                 case RME96_MONITOR_TRACKS_1_2:
1816                         snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1817                         break;
1818                 case RME96_MONITOR_TRACKS_3_4:
1819                         snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1820                         break;
1821                 case RME96_MONITOR_TRACKS_5_6:
1822                         snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1823                         break;
1824                 case RME96_MONITOR_TRACKS_7_8:
1825                         snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1826                         break;
1827                 }
1828                 switch (snd_rme96_getattenuation(rme96)) {
1829                 case RME96_ATTENUATION_0:
1830                         snd_iprintf(buffer, "  attenuation: 0 dB\n");
1831                         break;
1832                 case RME96_ATTENUATION_6:
1833                         snd_iprintf(buffer, "  attenuation: -6 dB\n");
1834                         break;
1835                 case RME96_ATTENUATION_12:
1836                         snd_iprintf(buffer, "  attenuation: -12 dB\n");
1837                         break;
1838                 case RME96_ATTENUATION_18:
1839                         snd_iprintf(buffer, "  attenuation: -18 dB\n");
1840                         break;
1841                 }
1842                 snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1843                 snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1844         }
1845 }
1846
1847 static void snd_rme96_proc_init(struct rme96 *rme96)
1848 {
1849         snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1850 }
1851
1852 /*
1853  * control interface
1854  */
1855
1856 #define snd_rme96_info_loopback_control         snd_ctl_boolean_mono_info
1857
1858 static int
1859 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1860 {
1861         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1862
1863         spin_lock_irq(&rme96->lock);
1864         ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1865         spin_unlock_irq(&rme96->lock);
1866         return 0;
1867 }
1868 static int
1869 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1870 {
1871         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1872         unsigned int val;
1873         int change;
1874
1875         val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1876         spin_lock_irq(&rme96->lock);
1877         val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1878         change = val != rme96->wcreg;
1879         rme96->wcreg = val;
1880         writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1881         spin_unlock_irq(&rme96->lock);
1882         return change;
1883 }
1884
1885 static int
1886 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1887 {
1888         static const char * const _texts[5] = {
1889                 "Optical", "Coaxial", "Internal", "XLR", "Analog"
1890         };
1891         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1892         const char *texts[5] = {
1893                 _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1894         };
1895         int num_items;
1896
1897         switch (rme96->pci->device) {
1898         case PCI_DEVICE_ID_RME_DIGI96:
1899         case PCI_DEVICE_ID_RME_DIGI96_8:
1900                 num_items = 3;
1901                 break;
1902         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1903                 num_items = 4;
1904                 break;
1905         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1906                 if (rme96->rev > 4) {
1907                         /* PST */
1908                         num_items = 4;
1909                         texts[3] = _texts[4]; /* Analog instead of XLR */
1910                 } else {
1911                         /* PAD */
1912                         num_items = 5;
1913                 }
1914                 break;
1915         default:
1916                 snd_BUG();
1917                 return -EINVAL;
1918         }
1919         return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1920 }
1921 static int
1922 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1923 {
1924         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1925         unsigned int items = 3;
1926
1927         spin_lock_irq(&rme96->lock);
1928         ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1929
1930         switch (rme96->pci->device) {
1931         case PCI_DEVICE_ID_RME_DIGI96:
1932         case PCI_DEVICE_ID_RME_DIGI96_8:
1933                 items = 3;
1934                 break;
1935         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1936                 items = 4;
1937                 break;
1938         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1939                 if (rme96->rev > 4) {
1940                         /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1941                         if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1942                                 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1943                         }
1944                         items = 4;
1945                 } else {
1946                         items = 5;
1947                 }
1948                 break;
1949         default:
1950                 snd_BUG();
1951                 break;
1952         }
1953         if (ucontrol->value.enumerated.item[0] >= items) {
1954                 ucontrol->value.enumerated.item[0] = items - 1;
1955         }
1956
1957         spin_unlock_irq(&rme96->lock);
1958         return 0;
1959 }
1960 static int
1961 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1962 {
1963         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1964         unsigned int val;
1965         int change, items = 3;
1966
1967         switch (rme96->pci->device) {
1968         case PCI_DEVICE_ID_RME_DIGI96:
1969         case PCI_DEVICE_ID_RME_DIGI96_8:
1970                 items = 3;
1971                 break;
1972         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1973                 items = 4;
1974                 break;
1975         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1976                 if (rme96->rev > 4) {
1977                         items = 4;
1978                 } else {
1979                         items = 5;
1980                 }
1981                 break;
1982         default:
1983                 snd_BUG();
1984                 break;
1985         }
1986         val = ucontrol->value.enumerated.item[0] % items;
1987
1988         /* special case for PST */
1989         if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1990                 if (val == RME96_INPUT_XLR) {
1991                         val = RME96_INPUT_ANALOG;
1992                 }
1993         }
1994
1995         spin_lock_irq(&rme96->lock);
1996         change = (int)val != snd_rme96_getinputtype(rme96);
1997         snd_rme96_setinputtype(rme96, val);
1998         spin_unlock_irq(&rme96->lock);
1999         return change;
2000 }
2001
2002 static int
2003 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2004 {
2005         static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2006
2007         return snd_ctl_enum_info(uinfo, 1, 3, texts);
2008 }
2009 static int
2010 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2011 {
2012         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2013
2014         spin_lock_irq(&rme96->lock);
2015         ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2016         spin_unlock_irq(&rme96->lock);
2017         return 0;
2018 }
2019 static int
2020 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2021 {
2022         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2023         unsigned int val;
2024         int change;
2025
2026         val = ucontrol->value.enumerated.item[0] % 3;
2027         spin_lock_irq(&rme96->lock);
2028         change = (int)val != snd_rme96_getclockmode(rme96);
2029         snd_rme96_setclockmode(rme96, val);
2030         spin_unlock_irq(&rme96->lock);
2031         return change;
2032 }
2033
2034 static int
2035 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2036 {
2037         static const char * const texts[4] = {
2038                 "0 dB", "-6 dB", "-12 dB", "-18 dB"
2039         };
2040
2041         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2042 }
2043 static int
2044 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2045 {
2046         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2047
2048         spin_lock_irq(&rme96->lock);
2049         ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2050         spin_unlock_irq(&rme96->lock);
2051         return 0;
2052 }
2053 static int
2054 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2055 {
2056         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2057         unsigned int val;
2058         int change;
2059
2060         val = ucontrol->value.enumerated.item[0] % 4;
2061         spin_lock_irq(&rme96->lock);
2062
2063         change = (int)val != snd_rme96_getattenuation(rme96);
2064         snd_rme96_setattenuation(rme96, val);
2065         spin_unlock_irq(&rme96->lock);
2066         return change;
2067 }
2068
2069 static int
2070 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2071 {
2072         static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2073
2074         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2075 }
2076 static int
2077 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2078 {
2079         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2080
2081         spin_lock_irq(&rme96->lock);
2082         ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2083         spin_unlock_irq(&rme96->lock);
2084         return 0;
2085 }
2086 static int
2087 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2088 {
2089         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2090         unsigned int val;
2091         int change;
2092
2093         val = ucontrol->value.enumerated.item[0] % 4;
2094         spin_lock_irq(&rme96->lock);
2095         change = (int)val != snd_rme96_getmontracks(rme96);
2096         snd_rme96_setmontracks(rme96, val);
2097         spin_unlock_irq(&rme96->lock);
2098         return change;
2099 }
2100
2101 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2102 {
2103         u32 val = 0;
2104         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2105         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2106         if (val & RME96_WCR_PRO)
2107                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2108         else
2109                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2110         return val;
2111 }
2112
2113 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2114 {
2115         aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2116                          ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2117         if (val & RME96_WCR_PRO)
2118                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2119         else
2120                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2121 }
2122
2123 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2124 {
2125         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2126         uinfo->count = 1;
2127         return 0;
2128 }
2129
2130 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2131 {
2132         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2133
2134         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2135         return 0;
2136 }
2137
2138 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139 {
2140         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2141         int change;
2142         u32 val;
2143
2144         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2145         spin_lock_irq(&rme96->lock);
2146         change = val != rme96->wcreg_spdif;
2147         rme96->wcreg_spdif = val;
2148         spin_unlock_irq(&rme96->lock);
2149         return change;
2150 }
2151
2152 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2153 {
2154         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2155         uinfo->count = 1;
2156         return 0;
2157 }
2158
2159 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2160 {
2161         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2162
2163         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2164         return 0;
2165 }
2166
2167 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2168 {
2169         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2170         int change;
2171         u32 val;
2172
2173         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2174         spin_lock_irq(&rme96->lock);
2175         change = val != rme96->wcreg_spdif_stream;
2176         rme96->wcreg_spdif_stream = val;
2177         rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2178         rme96->wcreg |= val;
2179         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2180         spin_unlock_irq(&rme96->lock);
2181         return change;
2182 }
2183
2184 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2185 {
2186         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2187         uinfo->count = 1;
2188         return 0;
2189 }
2190
2191 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2192 {
2193         ucontrol->value.iec958.status[0] = kcontrol->private_value;
2194         return 0;
2195 }
2196
2197 static int
2198 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2199 {
2200         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2201
2202         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2203         uinfo->count = 2;
2204         uinfo->value.integer.min = 0;
2205         uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2206         return 0;
2207 }
2208
2209 static int
2210 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2211 {
2212         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2213
2214         spin_lock_irq(&rme96->lock);
2215         u->value.integer.value[0] = rme96->vol[0];
2216         u->value.integer.value[1] = rme96->vol[1];
2217         spin_unlock_irq(&rme96->lock);
2218
2219         return 0;
2220 }
2221
2222 static int
2223 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2224 {
2225         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2226         int change = 0;
2227         unsigned int vol, maxvol;
2228
2229
2230         if (!RME96_HAS_ANALOG_OUT(rme96))
2231                 return -EINVAL;
2232         maxvol = RME96_185X_MAX_OUT(rme96);
2233         spin_lock_irq(&rme96->lock);
2234         vol = u->value.integer.value[0];
2235         if (vol != rme96->vol[0] && vol <= maxvol) {
2236                 rme96->vol[0] = vol;
2237                 change = 1;
2238         }
2239         vol = u->value.integer.value[1];
2240         if (vol != rme96->vol[1] && vol <= maxvol) {
2241                 rme96->vol[1] = vol;
2242                 change = 1;
2243         }
2244         if (change)
2245                 snd_rme96_apply_dac_volume(rme96);
2246         spin_unlock_irq(&rme96->lock);
2247
2248         return change;
2249 }
2250
2251 static const struct snd_kcontrol_new snd_rme96_controls[] = {
2252 {
2253         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2254         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2255         .info =         snd_rme96_control_spdif_info,
2256         .get =          snd_rme96_control_spdif_get,
2257         .put =          snd_rme96_control_spdif_put
2258 },
2259 {
2260         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2261         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2262         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2263         .info =         snd_rme96_control_spdif_stream_info,
2264         .get =          snd_rme96_control_spdif_stream_get,
2265         .put =          snd_rme96_control_spdif_stream_put
2266 },
2267 {
2268         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2269         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2270         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2271         .info =         snd_rme96_control_spdif_mask_info,
2272         .get =          snd_rme96_control_spdif_mask_get,
2273         .private_value = IEC958_AES0_NONAUDIO |
2274                         IEC958_AES0_PROFESSIONAL |
2275                         IEC958_AES0_CON_EMPHASIS
2276 },
2277 {
2278         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2279         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2280         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2281         .info =         snd_rme96_control_spdif_mask_info,
2282         .get =          snd_rme96_control_spdif_mask_get,
2283         .private_value = IEC958_AES0_NONAUDIO |
2284                         IEC958_AES0_PROFESSIONAL |
2285                         IEC958_AES0_PRO_EMPHASIS
2286 },
2287 {
2288         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2289         .name =         "Input Connector",
2290         .info =         snd_rme96_info_inputtype_control,
2291         .get =          snd_rme96_get_inputtype_control,
2292         .put =          snd_rme96_put_inputtype_control
2293 },
2294 {
2295         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2296         .name =         "Loopback Input",
2297         .info =         snd_rme96_info_loopback_control,
2298         .get =          snd_rme96_get_loopback_control,
2299         .put =          snd_rme96_put_loopback_control
2300 },
2301 {
2302         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2303         .name =         "Sample Clock Source",
2304         .info =         snd_rme96_info_clockmode_control,
2305         .get =          snd_rme96_get_clockmode_control,
2306         .put =          snd_rme96_put_clockmode_control
2307 },
2308 {
2309         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2310         .name =         "Monitor Tracks",
2311         .info =         snd_rme96_info_montracks_control,
2312         .get =          snd_rme96_get_montracks_control,
2313         .put =          snd_rme96_put_montracks_control
2314 },
2315 {
2316         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2317         .name =         "Attenuation",
2318         .info =         snd_rme96_info_attenuation_control,
2319         .get =          snd_rme96_get_attenuation_control,
2320         .put =          snd_rme96_put_attenuation_control
2321 },
2322 {
2323         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2324         .name =         "DAC Playback Volume",
2325         .info =         snd_rme96_dac_volume_info,
2326         .get =          snd_rme96_dac_volume_get,
2327         .put =          snd_rme96_dac_volume_put
2328 }
2329 };
2330
2331 static int
2332 snd_rme96_create_switches(struct snd_card *card,
2333                           struct rme96 *rme96)
2334 {
2335         int idx, err;
2336         struct snd_kcontrol *kctl;
2337
2338         for (idx = 0; idx < 7; idx++) {
2339                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2340                         return err;
2341                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
2342                         rme96->spdif_ctl = kctl;
2343         }
2344
2345         if (RME96_HAS_ANALOG_OUT(rme96)) {
2346                 for (idx = 7; idx < 10; idx++)
2347                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2348                                 return err;
2349         }
2350
2351         return 0;
2352 }
2353
2354 /*
2355  * Card initialisation
2356  */
2357
2358 #ifdef CONFIG_PM_SLEEP
2359
2360 static int rme96_suspend(struct device *dev)
2361 {
2362         struct snd_card *card = dev_get_drvdata(dev);
2363         struct rme96 *rme96 = card->private_data;
2364
2365         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2366
2367         /* save capture & playback pointers */
2368         rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2369                                   & RME96_RCR_AUDIO_ADDR_MASK;
2370         rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2371                                  & RME96_RCR_AUDIO_ADDR_MASK;
2372
2373         /* save playback and capture buffers */
2374         memcpy_fromio(rme96->playback_suspend_buffer,
2375                       rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2376         memcpy_fromio(rme96->capture_suspend_buffer,
2377                       rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2378
2379         /* disable the DAC  */
2380         rme96->areg &= ~RME96_AR_DAC_EN;
2381         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2382         return 0;
2383 }
2384
2385 static int rme96_resume(struct device *dev)
2386 {
2387         struct snd_card *card = dev_get_drvdata(dev);
2388         struct rme96 *rme96 = card->private_data;
2389
2390         /* reset playback and record buffer pointers */
2391         writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2392                   + rme96->playback_pointer);
2393         writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2394                   + rme96->capture_pointer);
2395
2396         /* restore playback and capture buffers */
2397         memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2398                     rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2399         memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2400                     rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2401
2402         /* reset the ADC */
2403         writel(rme96->areg | RME96_AR_PD2,
2404                rme96->iobase + RME96_IO_ADDITIONAL_REG);
2405         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2406
2407         /* reset and enable DAC, restore analog volume */
2408         snd_rme96_reset_dac(rme96);
2409         rme96->areg |= RME96_AR_DAC_EN;
2410         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2411         if (RME96_HAS_ANALOG_OUT(rme96)) {
2412                 usleep_range(3000, 10000);
2413                 snd_rme96_apply_dac_volume(rme96);
2414         }
2415
2416         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2417
2418         return 0;
2419 }
2420
2421 static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2422 #define RME96_PM_OPS    &rme96_pm
2423 #else
2424 #define RME96_PM_OPS    NULL
2425 #endif /* CONFIG_PM_SLEEP */
2426
2427 static void snd_rme96_card_free(struct snd_card *card)
2428 {
2429         snd_rme96_free(card->private_data);
2430 }
2431
2432 static int
2433 snd_rme96_probe(struct pci_dev *pci,
2434                 const struct pci_device_id *pci_id)
2435 {
2436         static int dev;
2437         struct rme96 *rme96;
2438         struct snd_card *card;
2439         int err;
2440         u8 val;
2441
2442         if (dev >= SNDRV_CARDS) {
2443                 return -ENODEV;
2444         }
2445         if (!enable[dev]) {
2446                 dev++;
2447                 return -ENOENT;
2448         }
2449         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2450                            sizeof(struct rme96), &card);
2451         if (err < 0)
2452                 return err;
2453         card->private_free = snd_rme96_card_free;
2454         rme96 = card->private_data;
2455         rme96->card = card;
2456         rme96->pci = pci;
2457         err = snd_rme96_create(rme96);
2458         if (err)
2459                 goto free_card;
2460
2461 #ifdef CONFIG_PM_SLEEP
2462         rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2463         if (!rme96->playback_suspend_buffer) {
2464                 err = -ENOMEM;
2465                 goto free_card;
2466         }
2467         rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2468         if (!rme96->capture_suspend_buffer) {
2469                 err = -ENOMEM;
2470                 goto free_card;
2471         }
2472 #endif
2473
2474         strcpy(card->driver, "Digi96");
2475         switch (rme96->pci->device) {
2476         case PCI_DEVICE_ID_RME_DIGI96:
2477                 strcpy(card->shortname, "RME Digi96");
2478                 break;
2479         case PCI_DEVICE_ID_RME_DIGI96_8:
2480                 strcpy(card->shortname, "RME Digi96/8");
2481                 break;
2482         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2483                 strcpy(card->shortname, "RME Digi96/8 PRO");
2484                 break;
2485         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2486                 pci_read_config_byte(rme96->pci, 8, &val);
2487                 if (val < 5) {
2488                         strcpy(card->shortname, "RME Digi96/8 PAD");
2489                 } else {
2490                         strcpy(card->shortname, "RME Digi96/8 PST");
2491                 }
2492                 break;
2493         }
2494         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2495                 rme96->port, rme96->irq);
2496         err = snd_card_register(card);
2497         if (err)
2498                 goto free_card;
2499
2500         pci_set_drvdata(pci, card);
2501         dev++;
2502         return 0;
2503 free_card:
2504         snd_card_free(card);
2505         return err;
2506 }
2507
2508 static void snd_rme96_remove(struct pci_dev *pci)
2509 {
2510         snd_card_free(pci_get_drvdata(pci));
2511 }
2512
2513 static struct pci_driver rme96_driver = {
2514         .name = KBUILD_MODNAME,
2515         .id_table = snd_rme96_ids,
2516         .probe = snd_rme96_probe,
2517         .remove = snd_rme96_remove,
2518         .driver = {
2519                 .pm = RME96_PM_OPS,
2520         },
2521 };
2522
2523 module_pci_driver(rme96_driver);