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 <[email protected]>
   7  *
   8  *      Thanks to Henk Hesselink <[email protected]> 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 <[email protected]>");
  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);
 671                 if (rate > 0) {
 672                         /* slave clock */
 673                         return rate;
 674                 }
 675         }
 676
 677         rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 678                 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 679         switch (rate) {
 680         case 1:
 681                 rate = 32000;
 682                 break;
 683         case 2:
 684                 rate = 44100;
 685                 break;
 686         case 3:
 687                 rate = 48000;
 688                 break;
 689         default:
 690                 return -1;
 691         }
 692         return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 693 }
 694
 695 static int
 696 snd_rme96_playback_setrate(struct rme96 *rme96,
 697                            int rate)
 698 {
 699         int ds;
 700
 701         ds = rme96->wcreg & RME96_WCR_DS;
 702         switch (rate) {
 703         case 32000:
 704                 rme96->wcreg &= ~RME96_WCR_DS;
 705                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 706                         ~RME96_WCR_FREQ_1;
 707                 break;
 708         case 44100:
 709                 rme96->wcreg &= ~RME96_WCR_DS;
 710                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 711                         ~RME96_WCR_FREQ_0;
 712                 break;
 713         case 48000:
 714                 rme96->wcreg &= ~RME96_WCR_DS;
 715                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 716                         RME96_WCR_FREQ_1;
 717                 break;
 718         case 64000:
 719                 rme96->wcreg |= RME96_WCR_DS;
 720                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 721                         ~RME96_WCR_FREQ_1;
 722                 break;
 723         case 88200:
 724                 rme96->wcreg |= RME96_WCR_DS;
 725                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 726                         ~RME96_WCR_FREQ_0;
 727                 break;
 728         case 96000:
 729                 rme96->wcreg |= RME96_WCR_DS;
 730                 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 731                         RME96_WCR_FREQ_1;
 732                 break;
 733         default:
 734                 return -EINVAL;
 735         }
 736         if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 737             (ds && !(rme96->wcreg & RME96_WCR_DS)))
 738         {
 739                 /* change to/from double-speed: reset the DAC (if available) */
 740                 snd_rme96_reset_dac(rme96);
 741                 return 1; /* need to restore volume */
 742         } else {
 743                 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 744                 return 0;
 745         }
 746 }
 747
 748 static int
 749 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 750                                  int rate)
 751 {
 752         switch (rate) {
 753         case 32000:
 754                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 755                                ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 756                 break;
 757         case 44100:
 758                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 759                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 760                 break;
 761         case 48000:
 762                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 763                                RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 764                 break;
 765         case 64000:
 766                 if (rme96->rev < 4) {
 767                         return -EINVAL;
 768                 }
 769                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 770                                ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 771                 break;
 772         case 88200:
 773                 if (rme96->rev < 4) {
 774                         return -EINVAL;
 775                 }
 776                 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 777                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 778                 break;
 779         case 96000:
 780                 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 781                                RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 782                 break;
 783         default:
 784                 return -EINVAL;
 785         }
 786         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 787         return 0;
 788 }
 789
 790 static int
 791 snd_rme96_setclockmode(struct rme96 *rme96,
 792                        int mode)
 793 {
 794         switch (mode) {
 795         case RME96_CLOCKMODE_SLAVE:
 796                 /* AutoSync */
 797                 rme96->wcreg &= ~RME96_WCR_MASTER;
 798                 rme96->areg &= ~RME96_AR_WSEL;
 799                 break;
 800         case RME96_CLOCKMODE_MASTER:
 801                 /* Internal */
 802                 rme96->wcreg |= RME96_WCR_MASTER;
 803                 rme96->areg &= ~RME96_AR_WSEL;
 804                 break;
 805         case RME96_CLOCKMODE_WORDCLOCK:
 806                 /* Word clock is a master mode */
 807                 rme96->wcreg |= RME96_WCR_MASTER;
 808                 rme96->areg |= RME96_AR_WSEL;
 809                 break;
 810         default:
 811                 return -EINVAL;
 812         }
 813         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 814         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 815         return 0;
 816 }
 817
 818 static int
 819 snd_rme96_getclockmode(struct rme96 *rme96)
 820 {
 821         if (rme96->areg & RME96_AR_WSEL) {
 822                 return RME96_CLOCKMODE_WORDCLOCK;
 823         }
 824         return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 825                 RME96_CLOCKMODE_SLAVE;
 826 }
 827
 828 static int
 829 snd_rme96_setinputtype(struct rme96 *rme96,
 830                        int type)
 831 {
 832         int n;
 833
 834         switch (type) {
 835         case RME96_INPUT_OPTICAL:
 836                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 837                         ~RME96_WCR_INP_1;
 838                 break;
 839         case RME96_INPUT_COAXIAL:
 840                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 841                         ~RME96_WCR_INP_1;
 842                 break;
 843         case RME96_INPUT_INTERNAL:
 844                 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 845                         RME96_WCR_INP_1;
 846                 break;
 847         case RME96_INPUT_XLR:
 848                 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 849                      rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 850                     (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 851                      rme96->rev > 4))
 852                 {
 853                         /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 854                         return -EINVAL;
 855                 }
 856                 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 857                         RME96_WCR_INP_1;
 858                 break;
 859         case RME96_INPUT_ANALOG:
 860                 if (!RME96_HAS_ANALOG_IN(rme96)) {
 861                         return -EINVAL;
 862                 }
 863                 rme96->areg |= RME96_AR_ANALOG;
 864                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 865                 if (rme96->rev < 4) {
 866                         /*
 867                          * Revision less than 004 does not support 64 and
 868                          * 88.2 kHz
 869                          */
 870                         if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 871                                 snd_rme96_capture_analog_setrate(rme96, 44100);
 872                         }
 873                         if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 874                                 snd_rme96_capture_analog_setrate(rme96, 32000);
 875                         }
 876                 }
 877                 return 0;
 878         default:
 879                 return -EINVAL;
 880         }
 881         if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 882                 rme96->areg &= ~RME96_AR_ANALOG;
 883                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 884         }
 885         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 886         return 0;
 887 }
 888
 889 static int
 890 snd_rme96_getinputtype(struct rme96 *rme96)
 891 {
 892         if (rme96->areg & RME96_AR_ANALOG) {
 893                 return RME96_INPUT_ANALOG;
 894         }
 895         return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 896                 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 897 }
 898
 899 static void
 900 snd_rme96_setframelog(struct rme96 *rme96,
 901                       int n_channels,
 902                       int is_playback)
 903 {
 904         int frlog;
 905
 906         if (n_channels == 2) {
 907                 frlog = 1;
 908         } else {
 909                 /* assume 8 channels */
 910                 frlog = 3;
 911         }
 912         if (is_playback) {
 913                 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 914                 rme96->playback_frlog = frlog;
 915         } else {
 916                 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 917                 rme96->capture_frlog = frlog;
 918         }
 919 }
 920
 921 static int
 922 snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 923 {
 924         switch (format) {
 925         case SNDRV_PCM_FORMAT_S16_LE:
 926                 rme96->wcreg &= ~RME96_WCR_MODE24;
 927                 break;
 928         case SNDRV_PCM_FORMAT_S32_LE:
 929                 rme96->wcreg |= RME96_WCR_MODE24;
 930                 break;
 931         default:
 932                 return -EINVAL;
 933         }
 934         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 935         return 0;
 936 }
 937
 938 static int
 939 snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 940 {
 941         switch (format) {
 942         case SNDRV_PCM_FORMAT_S16_LE:
 943                 rme96->wcreg &= ~RME96_WCR_MODE24_2;
 944                 break;
 945         case SNDRV_PCM_FORMAT_S32_LE:
 946                 rme96->wcreg |= RME96_WCR_MODE24_2;
 947                 break;
 948         default:
 949                 return -EINVAL;
 950         }
 951         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 952         return 0;
 953 }
 954
 955 static void
 956 snd_rme96_set_period_properties(struct rme96 *rme96,
 957                                 size_t period_bytes)
 958 {
 959         switch (period_bytes) {
 960         case RME96_LARGE_BLOCK_SIZE:
 961                 rme96->wcreg &= ~RME96_WCR_ISEL;
 962                 break;
 963         case RME96_SMALL_BLOCK_SIZE:
 964                 rme96->wcreg |= RME96_WCR_ISEL;
 965                 break;
 966         default:
 967                 snd_BUG();
 968                 break;
 969         }
 970         rme96->wcreg &= ~RME96_WCR_IDIS;
 971         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 972 }
 973
 974 static int
 975 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 976                              struct snd_pcm_hw_params *params)
 977 {
 978         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 979         struct snd_pcm_runtime *runtime = substream->runtime;
 980         int err, rate, dummy;
 981         bool apply_dac_volume = false;
 982
 983         runtime->dma_area = (void __force *)(rme96->iobase +
 984                                              RME96_IO_PLAY_BUFFER);
 985         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 986         runtime->dma_bytes = RME96_BUFFER_SIZE;
 987
 988         spin_lock_irq(&rme96->lock);
 989         rate = 0;
 990         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 991             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG)
 992                 rate = snd_rme96_capture_getrate(rme96, &dummy);
 993         if (rate > 0) {
 994                 /* slave clock */
 995                 if ((int)params_rate(params) != rate) {
 996                         err = -EIO;
 997                         goto error;
 998                 }
 999         } else {
1000                 err = snd_rme96_playback_setrate(rme96, params_rate(params));
1001                 if (err < 0)
1002                         goto error;
1003                 apply_dac_volume = err > 0; /* need to restore volume later? */
1004         }
1005
1006         err = snd_rme96_playback_setformat(rme96, params_format(params));
1007         if (err < 0)
1008                 goto error;
1009         snd_rme96_setframelog(rme96, params_channels(params), 1);
1010         if (rme96->capture_periodsize != 0) {
1011                 if (params_period_size(params) << rme96->playback_frlog !=
1012                     rme96->capture_periodsize)
1013                 {
1014                         err = -EBUSY;
1015                         goto error;
1016                 }
1017         }
1018         rme96->playback_periodsize =
1019                 params_period_size(params) << rme96->playback_frlog;
1020         snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1021         /* S/PDIF setup */
1022         if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1023                 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1024                 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1025         }
1026
1027         err = 0;
1028  error:
1029         spin_unlock_irq(&rme96->lock);
1030         if (apply_dac_volume) {
1031                 usleep_range(3000, 10000);
1032                 snd_rme96_apply_dac_volume(rme96);
1033         }
1034
1035         return err;
1036 }
1037
1038 static int
1039 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1040                             struct snd_pcm_hw_params *params)
1041 {
1042         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1043         struct snd_pcm_runtime *runtime = substream->runtime;
1044         int err, isadat, rate;
1045
1046         runtime->dma_area = (void __force *)(rme96->iobase +
1047                                              RME96_IO_REC_BUFFER);
1048         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1049         runtime->dma_bytes = RME96_BUFFER_SIZE;
1050
1051         spin_lock_irq(&rme96->lock);
1052         err = snd_rme96_capture_setformat(rme96, params_format(params));
1053         if (err < 0) {
1054                 spin_unlock_irq(&rme96->lock);
1055                 return err;
1056         }
1057         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1058                 err = snd_rme96_capture_analog_setrate(rme96, params_rate(params));
1059                 if (err < 0) {
1060                         spin_unlock_irq(&rme96->lock);
1061                         return err;
1062                 }
1063         } else {
1064                 rate = snd_rme96_capture_getrate(rme96, &isadat);
1065                 if (rate > 0) {
1066                         if ((int)params_rate(params) != rate) {
1067                                 spin_unlock_irq(&rme96->lock);
1068                                 return -EIO;
1069                         }
1070                         if ((isadat && runtime->hw.channels_min == 2) ||
1071                             (!isadat && runtime->hw.channels_min == 8)) {
1072                                 spin_unlock_irq(&rme96->lock);
1073                                 return -EIO;
1074                         }
1075                 }
1076         }
1077         snd_rme96_setframelog(rme96, params_channels(params), 0);
1078         if (rme96->playback_periodsize != 0) {
1079                 if (params_period_size(params) << rme96->capture_frlog !=
1080                     rme96->playback_periodsize)
1081                 {
1082                         spin_unlock_irq(&rme96->lock);
1083                         return -EBUSY;
1084                 }
1085         }
1086         rme96->capture_periodsize =
1087                 params_period_size(params) << rme96->capture_frlog;
1088         snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1089         spin_unlock_irq(&rme96->lock);
1090
1091         return 0;
1092 }
1093
1094 static void
1095 snd_rme96_trigger(struct rme96 *rme96,
1096                   int op)
1097 {
1098         if (op & RME96_TB_RESET_PLAYPOS)
1099                 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1100         if (op & RME96_TB_RESET_CAPTUREPOS)
1101                 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1102         if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1103                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1104                 if (rme96->rcreg & RME96_RCR_IRQ)
1105                         writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1106         }
1107         if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1108                 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1109                 if (rme96->rcreg & RME96_RCR_IRQ_2)
1110                         writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1111         }
1112         if (op & RME96_TB_START_PLAYBACK)
1113                 rme96->wcreg |= RME96_WCR_START;
1114         if (op & RME96_TB_STOP_PLAYBACK)
1115                 rme96->wcreg &= ~RME96_WCR_START;
1116         if (op & RME96_TB_START_CAPTURE)
1117                 rme96->wcreg |= RME96_WCR_START_2;
1118         if (op & RME96_TB_STOP_CAPTURE)
1119                 rme96->wcreg &= ~RME96_WCR_START_2;
1120         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1121 }
1122
1123
1124
1125 static irqreturn_t
1126 snd_rme96_interrupt(int irq,
1127                     void *dev_id)
1128 {
1129         struct rme96 *rme96 = (struct rme96 *)dev_id;
1130
1131         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1132         /* fastpath out, to ease interrupt sharing */
1133         if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1134               (rme96->rcreg & RME96_RCR_IRQ_2)))
1135         {
1136                 return IRQ_NONE;
1137         }
1138
1139         if (rme96->rcreg & RME96_RCR_IRQ) {
1140                 /* playback */
1141                 snd_pcm_period_elapsed(rme96->playback_substream);
1142                 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1143         }
1144         if (rme96->rcreg & RME96_RCR_IRQ_2) {
1145                 /* capture */
1146                 snd_pcm_period_elapsed(rme96->capture_substream);
1147                 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1148         }
1149         return IRQ_HANDLED;
1150 }
1151
1152 static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154 static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1155         .count = ARRAY_SIZE(period_bytes),
1156         .list = period_bytes,
1157         .mask = 0
1158 };
1159
1160 static void
1161 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1162                                  struct snd_pcm_runtime *runtime)
1163 {
1164         unsigned int size;
1165
1166         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1167                                      RME96_BUFFER_SIZE);
1168         size = rme96->playback_periodsize;
1169         if (!size)
1170                 size = rme96->capture_periodsize;
1171         if (size)
1172                 snd_pcm_hw_constraint_single(runtime,
1173                                              SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1174                                              size);
1175         else
1176                 snd_pcm_hw_constraint_list(runtime, 0,
1177                                            SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1178                                            &hw_constraints_period_bytes);
1179 }
1180
1181 static int
1182 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1183 {
1184         int rate, dummy;
1185         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1186         struct snd_pcm_runtime *runtime = substream->runtime;
1187
1188         snd_pcm_set_sync(substream);
1189         spin_lock_irq(&rme96->lock);
1190         if (rme96->playback_substream) {
1191                 spin_unlock_irq(&rme96->lock);
1192                 return -EBUSY;
1193         }
1194         rme96->wcreg &= ~RME96_WCR_ADAT;
1195         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1196         rme96->playback_substream = substream;
1197         spin_unlock_irq(&rme96->lock);
1198
1199         runtime->hw = snd_rme96_playback_spdif_info;
1200         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1201             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1202                 rate = snd_rme96_capture_getrate(rme96, &dummy);
1203                 if (rate > 0) {
1204                         /* slave clock */
1205                         runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1206                         runtime->hw.rate_min = rate;
1207                         runtime->hw.rate_max = rate;
1208                 }
1209         }
1210         rme96_set_buffer_size_constraint(rme96, runtime);
1211
1212         rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1213         rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1214         snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1215                        SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1216         return 0;
1217 }
1218
1219 static int
1220 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1221 {
1222         int isadat, rate;
1223         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1224         struct snd_pcm_runtime *runtime = substream->runtime;
1225
1226         snd_pcm_set_sync(substream);
1227         runtime->hw = snd_rme96_capture_spdif_info;
1228         if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1229                 rate = snd_rme96_capture_getrate(rme96, &isadat);
1230                 if (rate > 0) {
1231                         if (isadat)
1232                                 return -EIO;
1233                         runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1234                         runtime->hw.rate_min = rate;
1235                         runtime->hw.rate_max = rate;
1236                 }
1237         }
1238
1239         spin_lock_irq(&rme96->lock);
1240         if (rme96->capture_substream) {
1241                 spin_unlock_irq(&rme96->lock);
1242                 return -EBUSY;
1243         }
1244         rme96->capture_substream = substream;
1245         spin_unlock_irq(&rme96->lock);
1246
1247         rme96_set_buffer_size_constraint(rme96, runtime);
1248         return 0;
1249 }
1250
1251 static int
1252 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1253 {
1254         int rate, dummy;
1255         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1256         struct snd_pcm_runtime *runtime = substream->runtime;
1257
1258         snd_pcm_set_sync(substream);
1259         spin_lock_irq(&rme96->lock);
1260         if (rme96->playback_substream) {
1261                 spin_unlock_irq(&rme96->lock);
1262                 return -EBUSY;
1263         }
1264         rme96->wcreg |= RME96_WCR_ADAT;
1265         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1266         rme96->playback_substream = substream;
1267         spin_unlock_irq(&rme96->lock);
1268
1269         runtime->hw = snd_rme96_playback_adat_info;
1270         if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1271             snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1272                 rate = snd_rme96_capture_getrate(rme96, &dummy);
1273                 if (rate > 0) {
1274                         /* slave clock */
1275                         runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1276                         runtime->hw.rate_min = rate;
1277                         runtime->hw.rate_max = rate;
1278                 }
1279         }
1280
1281         rme96_set_buffer_size_constraint(rme96, runtime);
1282         return 0;
1283 }
1284
1285 static int
1286 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1287 {
1288         int isadat, rate;
1289         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1290         struct snd_pcm_runtime *runtime = substream->runtime;
1291
1292         snd_pcm_set_sync(substream);
1293         runtime->hw = snd_rme96_capture_adat_info;
1294         if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1295                 /* makes no sense to use analog input. Note that analog
1296                    expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1297                 return -EIO;
1298         }
1299         rate = snd_rme96_capture_getrate(rme96, &isadat);
1300         if (rate > 0) {
1301                 if (!isadat) {
1302                         return -EIO;
1303                 }
1304                 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1305                 runtime->hw.rate_min = rate;
1306                 runtime->hw.rate_max = rate;
1307         }
1308
1309         spin_lock_irq(&rme96->lock);
1310         if (rme96->capture_substream) {
1311                 spin_unlock_irq(&rme96->lock);
1312                 return -EBUSY;
1313         }
1314         rme96->capture_substream = substream;
1315         spin_unlock_irq(&rme96->lock);
1316
1317         rme96_set_buffer_size_constraint(rme96, runtime);
1318         return 0;
1319 }
1320
1321 static int
1322 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1323 {
1324         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1325         int spdif = 0;
1326
1327         spin_lock_irq(&rme96->lock);
1328         if (RME96_ISPLAYING(rme96)) {
1329                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1330         }
1331         rme96->playback_substream = NULL;
1332         rme96->playback_periodsize = 0;
1333         spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1334         spin_unlock_irq(&rme96->lock);
1335         if (spdif) {
1336                 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1337                 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1338                                SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1339         }
1340         return 0;
1341 }
1342
1343 static int
1344 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1345 {
1346         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1347
1348         spin_lock_irq(&rme96->lock);
1349         if (RME96_ISRECORDING(rme96)) {
1350                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1351         }
1352         rme96->capture_substream = NULL;
1353         rme96->capture_periodsize = 0;
1354         spin_unlock_irq(&rme96->lock);
1355         return 0;
1356 }
1357
1358 static int
1359 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1360 {
1361         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1362
1363         spin_lock_irq(&rme96->lock);
1364         if (RME96_ISPLAYING(rme96)) {
1365                 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1366         }
1367         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1368         spin_unlock_irq(&rme96->lock);
1369         return 0;
1370 }
1371
1372 static int
1373 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1374 {
1375         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1376
1377         spin_lock_irq(&rme96->lock);
1378         if (RME96_ISRECORDING(rme96)) {
1379                 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1380         }
1381         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1382         spin_unlock_irq(&rme96->lock);
1383         return 0;
1384 }
1385
1386 static int
1387 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1388                            int cmd)
1389 {
1390         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1391         struct snd_pcm_substream *s;
1392         bool sync;
1393
1394         snd_pcm_group_for_each_entry(s, substream) {
1395                 if (snd_pcm_substream_chip(s) == rme96)
1396                         snd_pcm_trigger_done(s, substream);
1397         }
1398
1399         sync = (rme96->playback_substream && rme96->capture_substream) &&
1400                (rme96->playback_substream->group ==
1401                 rme96->capture_substream->group);
1402
1403         switch (cmd) {
1404         case SNDRV_PCM_TRIGGER_START:
1405                 if (!RME96_ISPLAYING(rme96)) {
1406                         if (substream != rme96->playback_substream)
1407                                 return -EBUSY;
1408                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1409                                                  : RME96_START_PLAYBACK);
1410                 }
1411                 break;
1412
1413         case SNDRV_PCM_TRIGGER_SUSPEND:
1414         case SNDRV_PCM_TRIGGER_STOP:
1415                 if (RME96_ISPLAYING(rme96)) {
1416                         if (substream != rme96->playback_substream)
1417                                 return -EBUSY;
1418                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1419                                                  :  RME96_STOP_PLAYBACK);
1420                 }
1421                 break;
1422
1423         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1424                 if (RME96_ISPLAYING(rme96))
1425                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1426                                                  : RME96_STOP_PLAYBACK);
1427                 break;
1428
1429         case SNDRV_PCM_TRIGGER_RESUME:
1430         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1431                 if (!RME96_ISPLAYING(rme96))
1432                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1433                                                  : RME96_RESUME_PLAYBACK);
1434                 break;
1435
1436         default:
1437                 return -EINVAL;
1438         }
1439
1440         return 0;
1441 }
1442
1443 static int
1444 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1445                           int cmd)
1446 {
1447         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1448         struct snd_pcm_substream *s;
1449         bool sync;
1450
1451         snd_pcm_group_for_each_entry(s, substream) {
1452                 if (snd_pcm_substream_chip(s) == rme96)
1453                         snd_pcm_trigger_done(s, substream);
1454         }
1455
1456         sync = (rme96->playback_substream && rme96->capture_substream) &&
1457                (rme96->playback_substream->group ==
1458                 rme96->capture_substream->group);
1459
1460         switch (cmd) {
1461         case SNDRV_PCM_TRIGGER_START:
1462                 if (!RME96_ISRECORDING(rme96)) {
1463                         if (substream != rme96->capture_substream)
1464                                 return -EBUSY;
1465                         snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1466                                                  : RME96_START_CAPTURE);
1467                 }
1468                 break;
1469
1470         case SNDRV_PCM_TRIGGER_SUSPEND:
1471         case SNDRV_PCM_TRIGGER_STOP:
1472                 if (RME96_ISRECORDING(rme96)) {
1473                         if (substream != rme96->capture_substream)
1474                                 return -EBUSY;
1475                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1476                                                  : RME96_STOP_CAPTURE);
1477                 }
1478                 break;
1479
1480         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1481                 if (RME96_ISRECORDING(rme96))
1482                         snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1483                                                  : RME96_STOP_CAPTURE);
1484                 break;
1485
1486         case SNDRV_PCM_TRIGGER_RESUME:
1487         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1488                 if (!RME96_ISRECORDING(rme96))
1489                         snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1490                                                  : RME96_RESUME_CAPTURE);
1491                 break;
1492
1493         default:
1494                 return -EINVAL;
1495         }
1496
1497         return 0;
1498 }
1499
1500 static snd_pcm_uframes_t
1501 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1502 {
1503         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1504         return snd_rme96_playback_ptr(rme96);
1505 }
1506
1507 static snd_pcm_uframes_t
1508 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1509 {
1510         struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1511         return snd_rme96_capture_ptr(rme96);
1512 }
1513
1514 static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1515         .open =         snd_rme96_playback_spdif_open,
1516         .close =        snd_rme96_playback_close,
1517         .hw_params =    snd_rme96_playback_hw_params,
1518         .prepare =      snd_rme96_playback_prepare,
1519         .trigger =      snd_rme96_playback_trigger,
1520         .pointer =      snd_rme96_playback_pointer,
1521         .copy_user =    snd_rme96_playback_copy,
1522         .copy_kernel =  snd_rme96_playback_copy_kernel,
1523         .fill_silence = snd_rme96_playback_silence,
1524         .mmap =         snd_pcm_lib_mmap_iomem,
1525 };
1526
1527 static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1528         .open =         snd_rme96_capture_spdif_open,
1529         .close =        snd_rme96_capture_close,
1530         .hw_params =    snd_rme96_capture_hw_params,
1531         .prepare =      snd_rme96_capture_prepare,
1532         .trigger =      snd_rme96_capture_trigger,
1533         .pointer =      snd_rme96_capture_pointer,
1534         .copy_user =    snd_rme96_capture_copy,
1535         .copy_kernel =  snd_rme96_capture_copy_kernel,
1536         .mmap =         snd_pcm_lib_mmap_iomem,
1537 };
1538
1539 static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1540         .open =         snd_rme96_playback_adat_open,
1541         .close =        snd_rme96_playback_close,
1542         .hw_params =    snd_rme96_playback_hw_params,
1543         .prepare =      snd_rme96_playback_prepare,
1544         .trigger =      snd_rme96_playback_trigger,
1545         .pointer =      snd_rme96_playback_pointer,
1546         .copy_user =    snd_rme96_playback_copy,
1547         .copy_kernel =  snd_rme96_playback_copy_kernel,
1548         .fill_silence = snd_rme96_playback_silence,
1549         .mmap =         snd_pcm_lib_mmap_iomem,
1550 };
1551
1552 static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1553         .open =         snd_rme96_capture_adat_open,
1554         .close =        snd_rme96_capture_close,
1555         .hw_params =    snd_rme96_capture_hw_params,
1556         .prepare =      snd_rme96_capture_prepare,
1557         .trigger =      snd_rme96_capture_trigger,
1558         .pointer =      snd_rme96_capture_pointer,
1559         .copy_user =    snd_rme96_capture_copy,
1560         .copy_kernel =  snd_rme96_capture_copy_kernel,
1561         .mmap =         snd_pcm_lib_mmap_iomem,
1562 };
1563
1564 static void
1565 snd_rme96_free(void *private_data)
1566 {
1567         struct rme96 *rme96 = (struct rme96 *)private_data;
1568
1569         if (!rme96)
1570                 return;
1571
1572         if (rme96->irq >= 0) {
1573                 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1574                 rme96->areg &= ~RME96_AR_DAC_EN;
1575                 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1576                 free_irq(rme96->irq, (void *)rme96);
1577                 rme96->irq = -1;
1578         }
1579         if (rme96->iobase) {
1580                 iounmap(rme96->iobase);
1581                 rme96->iobase = NULL;
1582         }
1583         if (rme96->port) {
1584                 pci_release_regions(rme96->pci);
1585                 rme96->port = 0;
1586         }
1587 #ifdef CONFIG_PM_SLEEP
1588         vfree(rme96->playback_suspend_buffer);
1589         vfree(rme96->capture_suspend_buffer);
1590 #endif
1591         pci_disable_device(rme96->pci);
1592 }
1593
1594 static void
1595 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1596 {
1597         struct rme96 *rme96 = pcm->private_data;
1598         rme96->spdif_pcm = NULL;
1599 }
1600
1601 static void
1602 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1603 {
1604         struct rme96 *rme96 = pcm->private_data;
1605         rme96->adat_pcm = NULL;
1606 }
1607
1608 static int
1609 snd_rme96_create(struct rme96 *rme96)
1610 {
1611         struct pci_dev *pci = rme96->pci;
1612         int err;
1613
1614         rme96->irq = -1;
1615         spin_lock_init(&rme96->lock);
1616
1617         err = pci_enable_device(pci);
1618         if (err < 0)
1619                 return err;
1620
1621         err = pci_request_regions(pci, "RME96");
1622         if (err < 0)
1623                 return err;
1624         rme96->port = pci_resource_start(rme96->pci, 0);
1625
1626         rme96->iobase = ioremap(rme96->port, RME96_IO_SIZE);
1627         if (!rme96->iobase) {
1628                 dev_err(rme96->card->dev,
1629                         "unable to remap memory region 0x%lx-0x%lx\n",
1630                         rme96->port, rme96->port + RME96_IO_SIZE - 1);
1631                 return -ENOMEM;
1632         }
1633
1634         if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1635                         KBUILD_MODNAME, rme96)) {
1636                 dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1637                 return -EBUSY;
1638         }
1639         rme96->irq = pci->irq;
1640         rme96->card->sync_irq = rme96->irq;
1641
1642         /* read the card's revision number */
1643         pci_read_config_byte(pci, 8, &rme96->rev);
1644
1645         /* set up ALSA pcm device for S/PDIF */
1646         err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1647                           1, 1, &rme96->spdif_pcm);
1648         if (err < 0)
1649                 return err;
1650
1651         rme96->spdif_pcm->private_data = rme96;
1652         rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1653         strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1654         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1655         snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1656
1657         rme96->spdif_pcm->info_flags = 0;
1658
1659         /* set up ALSA pcm device for ADAT */
1660         if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1661                 /* ADAT is not available on the base model */
1662                 rme96->adat_pcm = NULL;
1663         } else {
1664                 err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1665                                   1, 1, &rme96->adat_pcm);
1666                 if (err < 0)
1667                         return err;
1668                 rme96->adat_pcm->private_data = rme96;
1669                 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1670                 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1671                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1672                 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1673
1674                 rme96->adat_pcm->info_flags = 0;
1675         }
1676
1677         rme96->playback_periodsize = 0;
1678         rme96->capture_periodsize = 0;
1679
1680         /* make sure playback/capture is stopped, if by some reason active */
1681         snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1682
1683         /* set default values in registers */
1684         rme96->wcreg =
1685                 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1686                 RME96_WCR_SEL |    /* normal playback */
1687                 RME96_WCR_MASTER | /* set to master clock mode */
1688                 RME96_WCR_INP_0;   /* set coaxial input */
1689
1690         rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1691
1692         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1693         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1694
1695         /* reset the ADC */
1696         writel(rme96->areg | RME96_AR_PD2,
1697                rme96->iobase + RME96_IO_ADDITIONAL_REG);
1698         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1699
1700         /* reset and enable the DAC (order is important). */
1701         snd_rme96_reset_dac(rme96);
1702         rme96->areg |= RME96_AR_DAC_EN;
1703         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1704
1705         /* reset playback and record buffer pointers */
1706         writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1707         writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1708
1709         /* reset volume */
1710         rme96->vol[0] = rme96->vol[1] = 0;
1711         if (RME96_HAS_ANALOG_OUT(rme96)) {
1712                 snd_rme96_apply_dac_volume(rme96);
1713         }
1714
1715         /* init switch interface */
1716         err = snd_rme96_create_switches(rme96->card, rme96);
1717         if (err < 0)
1718                 return err;
1719
1720         /* init proc interface */
1721         snd_rme96_proc_init(rme96);
1722
1723         return 0;
1724 }
1725
1726 /*
1727  * proc interface
1728  */
1729
1730 static void
1731 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1732 {
1733         int n;
1734         struct rme96 *rme96 = entry->private_data;
1735
1736         rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1737
1738         snd_iprintf(buffer, rme96->card->longname);
1739         snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1740
1741         snd_iprintf(buffer, "\nGeneral settings\n");
1742         if (rme96->wcreg & RME96_WCR_IDIS) {
1743                 snd_iprintf(buffer, "  period size: N/A (interrupts "
1744                             "disabled)\n");
1745         } else if (rme96->wcreg & RME96_WCR_ISEL) {
1746                 snd_iprintf(buffer, "  period size: 2048 bytes\n");
1747         } else {
1748                 snd_iprintf(buffer, "  period size: 8192 bytes\n");
1749         }
1750         snd_iprintf(buffer, "\nInput settings\n");
1751         switch (snd_rme96_getinputtype(rme96)) {
1752         case RME96_INPUT_OPTICAL:
1753                 snd_iprintf(buffer, "  input: optical");
1754                 break;
1755         case RME96_INPUT_COAXIAL:
1756                 snd_iprintf(buffer, "  input: coaxial");
1757                 break;
1758         case RME96_INPUT_INTERNAL:
1759                 snd_iprintf(buffer, "  input: internal");
1760                 break;
1761         case RME96_INPUT_XLR:
1762                 snd_iprintf(buffer, "  input: XLR");
1763                 break;
1764         case RME96_INPUT_ANALOG:
1765                 snd_iprintf(buffer, "  input: analog");
1766                 break;
1767         }
1768         if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1769                 snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1770         } else {
1771                 if (n) {
1772                         snd_iprintf(buffer, " (8 channels)\n");
1773                 } else {
1774                         snd_iprintf(buffer, " (2 channels)\n");
1775                 }
1776                 snd_iprintf(buffer, "  sample rate: %d Hz\n",
1777                             snd_rme96_capture_getrate(rme96, &n));
1778         }
1779         if (rme96->wcreg & RME96_WCR_MODE24_2) {
1780                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1781         } else {
1782                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1783         }
1784
1785         snd_iprintf(buffer, "\nOutput settings\n");
1786         if (rme96->wcreg & RME96_WCR_SEL) {
1787                 snd_iprintf(buffer, "  output signal: normal playback\n");
1788         } else {
1789                 snd_iprintf(buffer, "  output signal: same as input\n");
1790         }
1791         snd_iprintf(buffer, "  sample rate: %d Hz\n",
1792                     snd_rme96_playback_getrate(rme96));
1793         if (rme96->wcreg & RME96_WCR_MODE24) {
1794                 snd_iprintf(buffer, "  sample format: 24 bit\n");
1795         } else {
1796                 snd_iprintf(buffer, "  sample format: 16 bit\n");
1797         }
1798         if (rme96->areg & RME96_AR_WSEL) {
1799                 snd_iprintf(buffer, "  sample clock source: word clock\n");
1800         } else if (rme96->wcreg & RME96_WCR_MASTER) {
1801                 snd_iprintf(buffer, "  sample clock source: internal\n");
1802         } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1803                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1804         } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1805                 snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1806         } else {
1807                 snd_iprintf(buffer, "  sample clock source: autosync\n");
1808         }
1809         if (rme96->wcreg & RME96_WCR_PRO) {
1810                 snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1811         } else {
1812                 snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1813         }
1814         if (rme96->wcreg & RME96_WCR_EMP) {
1815                 snd_iprintf(buffer, "  emphasis: on\n");
1816         } else {
1817                 snd_iprintf(buffer, "  emphasis: off\n");
1818         }
1819         if (rme96->wcreg & RME96_WCR_DOLBY) {
1820                 snd_iprintf(buffer, "  non-audio (dolby): on\n");
1821         } else {
1822                 snd_iprintf(buffer, "  non-audio (dolby): off\n");
1823         }
1824         if (RME96_HAS_ANALOG_IN(rme96)) {
1825                 snd_iprintf(buffer, "\nAnalog output settings\n");
1826                 switch (snd_rme96_getmontracks(rme96)) {
1827                 case RME96_MONITOR_TRACKS_1_2:
1828                         snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1829                         break;
1830                 case RME96_MONITOR_TRACKS_3_4:
1831                         snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1832                         break;
1833                 case RME96_MONITOR_TRACKS_5_6:
1834                         snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1835                         break;
1836                 case RME96_MONITOR_TRACKS_7_8:
1837                         snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1838                         break;
1839                 }
1840                 switch (snd_rme96_getattenuation(rme96)) {
1841                 case RME96_ATTENUATION_0:
1842                         snd_iprintf(buffer, "  attenuation: 0 dB\n");
1843                         break;
1844                 case RME96_ATTENUATION_6:
1845                         snd_iprintf(buffer, "  attenuation: -6 dB\n");
1846                         break;
1847                 case RME96_ATTENUATION_12:
1848                         snd_iprintf(buffer, "  attenuation: -12 dB\n");
1849                         break;
1850                 case RME96_ATTENUATION_18:
1851                         snd_iprintf(buffer, "  attenuation: -18 dB\n");
1852                         break;
1853                 }
1854                 snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1855                 snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1856         }
1857 }
1858
1859 static void snd_rme96_proc_init(struct rme96 *rme96)
1860 {
1861         snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1862 }
1863
1864 /*
1865  * control interface
1866  */
1867
1868 #define snd_rme96_info_loopback_control         snd_ctl_boolean_mono_info
1869
1870 static int
1871 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1872 {
1873         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1874
1875         spin_lock_irq(&rme96->lock);
1876         ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1877         spin_unlock_irq(&rme96->lock);
1878         return 0;
1879 }
1880 static int
1881 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1882 {
1883         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1884         unsigned int val;
1885         int change;
1886
1887         val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1888         spin_lock_irq(&rme96->lock);
1889         val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1890         change = val != rme96->wcreg;
1891         rme96->wcreg = val;
1892         writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1893         spin_unlock_irq(&rme96->lock);
1894         return change;
1895 }
1896
1897 static int
1898 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1899 {
1900         static const char * const _texts[5] = {
1901                 "Optical", "Coaxial", "Internal", "XLR", "Analog"
1902         };
1903         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1904         const char *texts[5] = {
1905                 _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1906         };
1907         int num_items;
1908
1909         switch (rme96->pci->device) {
1910         case PCI_DEVICE_ID_RME_DIGI96:
1911         case PCI_DEVICE_ID_RME_DIGI96_8:
1912                 num_items = 3;
1913                 break;
1914         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1915                 num_items = 4;
1916                 break;
1917         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1918                 if (rme96->rev > 4) {
1919                         /* PST */
1920                         num_items = 4;
1921                         texts[3] = _texts[4]; /* Analog instead of XLR */
1922                 } else {
1923                         /* PAD */
1924                         num_items = 5;
1925                 }
1926                 break;
1927         default:
1928                 snd_BUG();
1929                 return -EINVAL;
1930         }
1931         return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1932 }
1933 static int
1934 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1935 {
1936         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1937         unsigned int items = 3;
1938
1939         spin_lock_irq(&rme96->lock);
1940         ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1941
1942         switch (rme96->pci->device) {
1943         case PCI_DEVICE_ID_RME_DIGI96:
1944         case PCI_DEVICE_ID_RME_DIGI96_8:
1945                 items = 3;
1946                 break;
1947         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1948                 items = 4;
1949                 break;
1950         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1951                 if (rme96->rev > 4) {
1952                         /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1953                         if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1954                                 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1955                         }
1956                         items = 4;
1957                 } else {
1958                         items = 5;
1959                 }
1960                 break;
1961         default:
1962                 snd_BUG();
1963                 break;
1964         }
1965         if (ucontrol->value.enumerated.item[0] >= items) {
1966                 ucontrol->value.enumerated.item[0] = items - 1;
1967         }
1968
1969         spin_unlock_irq(&rme96->lock);
1970         return 0;
1971 }
1972 static int
1973 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1974 {
1975         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1976         unsigned int val;
1977         int change, items = 3;
1978
1979         switch (rme96->pci->device) {
1980         case PCI_DEVICE_ID_RME_DIGI96:
1981         case PCI_DEVICE_ID_RME_DIGI96_8:
1982                 items = 3;
1983                 break;
1984         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1985                 items = 4;
1986                 break;
1987         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1988                 if (rme96->rev > 4) {
1989                         items = 4;
1990                 } else {
1991                         items = 5;
1992                 }
1993                 break;
1994         default:
1995                 snd_BUG();
1996                 break;
1997         }
1998         val = ucontrol->value.enumerated.item[0] % items;
1999
2000         /* special case for PST */
2001         if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
2002                 if (val == RME96_INPUT_XLR) {
2003                         val = RME96_INPUT_ANALOG;
2004                 }
2005         }
2006
2007         spin_lock_irq(&rme96->lock);
2008         change = (int)val != snd_rme96_getinputtype(rme96);
2009         snd_rme96_setinputtype(rme96, val);
2010         spin_unlock_irq(&rme96->lock);
2011         return change;
2012 }
2013
2014 static int
2015 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2016 {
2017         static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2018
2019         return snd_ctl_enum_info(uinfo, 1, 3, texts);
2020 }
2021 static int
2022 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2023 {
2024         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2025
2026         spin_lock_irq(&rme96->lock);
2027         ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2028         spin_unlock_irq(&rme96->lock);
2029         return 0;
2030 }
2031 static int
2032 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2033 {
2034         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2035         unsigned int val;
2036         int change;
2037
2038         val = ucontrol->value.enumerated.item[0] % 3;
2039         spin_lock_irq(&rme96->lock);
2040         change = (int)val != snd_rme96_getclockmode(rme96);
2041         snd_rme96_setclockmode(rme96, val);
2042         spin_unlock_irq(&rme96->lock);
2043         return change;
2044 }
2045
2046 static int
2047 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2048 {
2049         static const char * const texts[4] = {
2050                 "0 dB", "-6 dB", "-12 dB", "-18 dB"
2051         };
2052
2053         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2054 }
2055 static int
2056 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2057 {
2058         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2059
2060         spin_lock_irq(&rme96->lock);
2061         ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2062         spin_unlock_irq(&rme96->lock);
2063         return 0;
2064 }
2065 static int
2066 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2067 {
2068         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2069         unsigned int val;
2070         int change;
2071
2072         val = ucontrol->value.enumerated.item[0] % 4;
2073         spin_lock_irq(&rme96->lock);
2074
2075         change = (int)val != snd_rme96_getattenuation(rme96);
2076         snd_rme96_setattenuation(rme96, val);
2077         spin_unlock_irq(&rme96->lock);
2078         return change;
2079 }
2080
2081 static int
2082 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2083 {
2084         static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2085
2086         return snd_ctl_enum_info(uinfo, 1, 4, texts);
2087 }
2088 static int
2089 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2090 {
2091         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2092
2093         spin_lock_irq(&rme96->lock);
2094         ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2095         spin_unlock_irq(&rme96->lock);
2096         return 0;
2097 }
2098 static int
2099 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2100 {
2101         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2102         unsigned int val;
2103         int change;
2104
2105         val = ucontrol->value.enumerated.item[0] % 4;
2106         spin_lock_irq(&rme96->lock);
2107         change = (int)val != snd_rme96_getmontracks(rme96);
2108         snd_rme96_setmontracks(rme96, val);
2109         spin_unlock_irq(&rme96->lock);
2110         return change;
2111 }
2112
2113 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2114 {
2115         u32 val = 0;
2116         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2117         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2118         if (val & RME96_WCR_PRO)
2119                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2120         else
2121                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2122         return val;
2123 }
2124
2125 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2126 {
2127         aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2128                          ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2129         if (val & RME96_WCR_PRO)
2130                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2131         else
2132                 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2133 }
2134
2135 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2136 {
2137         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2138         uinfo->count = 1;
2139         return 0;
2140 }
2141
2142 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2143 {
2144         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2145
2146         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2147         return 0;
2148 }
2149
2150 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2151 {
2152         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2153         int change;
2154         u32 val;
2155
2156         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2157         spin_lock_irq(&rme96->lock);
2158         change = val != rme96->wcreg_spdif;
2159         rme96->wcreg_spdif = val;
2160         spin_unlock_irq(&rme96->lock);
2161         return change;
2162 }
2163
2164 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2165 {
2166         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2167         uinfo->count = 1;
2168         return 0;
2169 }
2170
2171 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2172 {
2173         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2174
2175         snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2176         return 0;
2177 }
2178
2179 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2180 {
2181         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2182         int change;
2183         u32 val;
2184
2185         val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2186         spin_lock_irq(&rme96->lock);
2187         change = val != rme96->wcreg_spdif_stream;
2188         rme96->wcreg_spdif_stream = val;
2189         rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2190         rme96->wcreg |= val;
2191         writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2192         spin_unlock_irq(&rme96->lock);
2193         return change;
2194 }
2195
2196 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2197 {
2198         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2199         uinfo->count = 1;
2200         return 0;
2201 }
2202
2203 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2204 {
2205         ucontrol->value.iec958.status[0] = kcontrol->private_value;
2206         return 0;
2207 }
2208
2209 static int
2210 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2211 {
2212         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2213
2214         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2215         uinfo->count = 2;
2216         uinfo->value.integer.min = 0;
2217         uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2218         return 0;
2219 }
2220
2221 static int
2222 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2223 {
2224         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2225
2226         spin_lock_irq(&rme96->lock);
2227         u->value.integer.value[0] = rme96->vol[0];
2228         u->value.integer.value[1] = rme96->vol[1];
2229         spin_unlock_irq(&rme96->lock);
2230
2231         return 0;
2232 }
2233
2234 static int
2235 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2236 {
2237         struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2238         int change = 0;
2239         unsigned int vol, maxvol;
2240
2241
2242         if (!RME96_HAS_ANALOG_OUT(rme96))
2243                 return -EINVAL;
2244         maxvol = RME96_185X_MAX_OUT(rme96);
2245         spin_lock_irq(&rme96->lock);
2246         vol = u->value.integer.value[0];
2247         if (vol != rme96->vol[0] && vol <= maxvol) {
2248                 rme96->vol[0] = vol;
2249                 change = 1;
2250         }
2251         vol = u->value.integer.value[1];
2252         if (vol != rme96->vol[1] && vol <= maxvol) {
2253                 rme96->vol[1] = vol;
2254                 change = 1;
2255         }
2256         if (change)
2257                 snd_rme96_apply_dac_volume(rme96);
2258         spin_unlock_irq(&rme96->lock);
2259
2260         return change;
2261 }
2262
2263 static const struct snd_kcontrol_new snd_rme96_controls[] = {
2264 {
2265         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2266         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2267         .info =         snd_rme96_control_spdif_info,
2268         .get =          snd_rme96_control_spdif_get,
2269         .put =          snd_rme96_control_spdif_put
2270 },
2271 {
2272         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2273         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2274         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2275         .info =         snd_rme96_control_spdif_stream_info,
2276         .get =          snd_rme96_control_spdif_stream_get,
2277         .put =          snd_rme96_control_spdif_stream_put
2278 },
2279 {
2280         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2281         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2282         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2283         .info =         snd_rme96_control_spdif_mask_info,
2284         .get =          snd_rme96_control_spdif_mask_get,
2285         .private_value = IEC958_AES0_NONAUDIO |
2286                         IEC958_AES0_PROFESSIONAL |
2287                         IEC958_AES0_CON_EMPHASIS
2288 },
2289 {
2290         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2291         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2292         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2293         .info =         snd_rme96_control_spdif_mask_info,
2294         .get =          snd_rme96_control_spdif_mask_get,
2295         .private_value = IEC958_AES0_NONAUDIO |
2296                         IEC958_AES0_PROFESSIONAL |
2297                         IEC958_AES0_PRO_EMPHASIS
2298 },
2299 {
2300         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2301         .name =         "Input Connector",
2302         .info =         snd_rme96_info_inputtype_control,
2303         .get =          snd_rme96_get_inputtype_control,
2304         .put =          snd_rme96_put_inputtype_control
2305 },
2306 {
2307         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2308         .name =         "Loopback Input",
2309         .info =         snd_rme96_info_loopback_control,
2310         .get =          snd_rme96_get_loopback_control,
2311         .put =          snd_rme96_put_loopback_control
2312 },
2313 {
2314         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2315         .name =         "Sample Clock Source",
2316         .info =         snd_rme96_info_clockmode_control,
2317         .get =          snd_rme96_get_clockmode_control,
2318         .put =          snd_rme96_put_clockmode_control
2319 },
2320 {
2321         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2322         .name =         "Monitor Tracks",
2323         .info =         snd_rme96_info_montracks_control,
2324         .get =          snd_rme96_get_montracks_control,
2325         .put =          snd_rme96_put_montracks_control
2326 },
2327 {
2328         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2329         .name =         "Attenuation",
2330         .info =         snd_rme96_info_attenuation_control,
2331         .get =          snd_rme96_get_attenuation_control,
2332         .put =          snd_rme96_put_attenuation_control
2333 },
2334 {
2335         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2336         .name =         "DAC Playback Volume",
2337         .info =         snd_rme96_dac_volume_info,
2338         .get =          snd_rme96_dac_volume_get,
2339         .put =          snd_rme96_dac_volume_put
2340 }
2341 };
2342
2343 static int
2344 snd_rme96_create_switches(struct snd_card *card,
2345                           struct rme96 *rme96)
2346 {
2347         int idx, err;
2348         struct snd_kcontrol *kctl;
2349
2350         for (idx = 0; idx < 7; idx++) {
2351                 kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96);
2352                 err = snd_ctl_add(card, kctl);
2353                 if (err < 0)
2354                         return err;
2355                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
2356                         rme96->spdif_ctl = kctl;
2357         }
2358
2359         if (RME96_HAS_ANALOG_OUT(rme96)) {
2360                 for (idx = 7; idx < 10; idx++) {
2361                         err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96));
2362                         if (err < 0)
2363                                 return err;
2364                 }
2365         }
2366
2367         return 0;
2368 }
2369
2370 /*
2371  * Card initialisation
2372  */
2373
2374 #ifdef CONFIG_PM_SLEEP
2375
2376 static int rme96_suspend(struct device *dev)
2377 {
2378         struct snd_card *card = dev_get_drvdata(dev);
2379         struct rme96 *rme96 = card->private_data;
2380
2381         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2382
2383         /* save capture & playback pointers */
2384         rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2385                                   & RME96_RCR_AUDIO_ADDR_MASK;
2386         rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2387                                  & RME96_RCR_AUDIO_ADDR_MASK;
2388
2389         /* save playback and capture buffers */
2390         memcpy_fromio(rme96->playback_suspend_buffer,
2391                       rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2392         memcpy_fromio(rme96->capture_suspend_buffer,
2393                       rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2394
2395         /* disable the DAC  */
2396         rme96->areg &= ~RME96_AR_DAC_EN;
2397         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2398         return 0;
2399 }
2400
2401 static int rme96_resume(struct device *dev)
2402 {
2403         struct snd_card *card = dev_get_drvdata(dev);
2404         struct rme96 *rme96 = card->private_data;
2405
2406         /* reset playback and record buffer pointers */
2407         writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2408                   + rme96->playback_pointer);
2409         writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2410                   + rme96->capture_pointer);
2411
2412         /* restore playback and capture buffers */
2413         memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2414                     rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2415         memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2416                     rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2417
2418         /* reset the ADC */
2419         writel(rme96->areg | RME96_AR_PD2,
2420                rme96->iobase + RME96_IO_ADDITIONAL_REG);
2421         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2422
2423         /* reset and enable DAC, restore analog volume */
2424         snd_rme96_reset_dac(rme96);
2425         rme96->areg |= RME96_AR_DAC_EN;
2426         writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2427         if (RME96_HAS_ANALOG_OUT(rme96)) {
2428                 usleep_range(3000, 10000);
2429                 snd_rme96_apply_dac_volume(rme96);
2430         }
2431
2432         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2433
2434         return 0;
2435 }
2436
2437 static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2438 #define RME96_PM_OPS    &rme96_pm
2439 #else
2440 #define RME96_PM_OPS    NULL
2441 #endif /* CONFIG_PM_SLEEP */
2442
2443 static void snd_rme96_card_free(struct snd_card *card)
2444 {
2445         snd_rme96_free(card->private_data);
2446 }
2447
2448 static int
2449 snd_rme96_probe(struct pci_dev *pci,
2450                 const struct pci_device_id *pci_id)
2451 {
2452         static int dev;
2453         struct rme96 *rme96;
2454         struct snd_card *card;
2455         int err;
2456         u8 val;
2457
2458         if (dev >= SNDRV_CARDS) {
2459                 return -ENODEV;
2460         }
2461         if (!enable[dev]) {
2462                 dev++;
2463                 return -ENOENT;
2464         }
2465         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2466                            sizeof(struct rme96), &card);
2467         if (err < 0)
2468                 return err;
2469         card->private_free = snd_rme96_card_free;
2470         rme96 = card->private_data;
2471         rme96->card = card;
2472         rme96->pci = pci;
2473         err = snd_rme96_create(rme96);
2474         if (err)
2475                 goto free_card;
2476
2477 #ifdef CONFIG_PM_SLEEP
2478         rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2479         if (!rme96->playback_suspend_buffer) {
2480                 err = -ENOMEM;
2481                 goto free_card;
2482         }
2483         rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2484         if (!rme96->capture_suspend_buffer) {
2485                 err = -ENOMEM;
2486                 goto free_card;
2487         }
2488 #endif
2489
2490         strcpy(card->driver, "Digi96");
2491         switch (rme96->pci->device) {
2492         case PCI_DEVICE_ID_RME_DIGI96:
2493                 strcpy(card->shortname, "RME Digi96");
2494                 break;
2495         case PCI_DEVICE_ID_RME_DIGI96_8:
2496                 strcpy(card->shortname, "RME Digi96/8");
2497                 break;
2498         case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2499                 strcpy(card->shortname, "RME Digi96/8 PRO");
2500                 break;
2501         case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2502                 pci_read_config_byte(rme96->pci, 8, &val);
2503                 if (val < 5) {
2504                         strcpy(card->shortname, "RME Digi96/8 PAD");
2505                 } else {
2506                         strcpy(card->shortname, "RME Digi96/8 PST");
2507                 }
2508                 break;
2509         }
2510         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2511                 rme96->port, rme96->irq);
2512         err = snd_card_register(card);
2513         if (err)
2514                 goto free_card;
2515
2516         pci_set_drvdata(pci, card);
2517         dev++;
2518         return 0;
2519 free_card:
2520         snd_card_free(card);
2521         return err;
2522 }
2523
2524 static void snd_rme96_remove(struct pci_dev *pci)
2525 {
2526         snd_card_free(pci_get_drvdata(pci));
2527 }
2528
2529 static struct pci_driver rme96_driver = {
2530         .name = KBUILD_MODNAME,
2531         .id_table = snd_rme96_ids,
2532         .probe = snd_rme96_probe,
2533         .remove = snd_rme96_remove,
2534         .driver = {
2535                 .pm = RME96_PM_OPS,
2536         },
2537 };
2538
2539 module_pci_driver(rme96_driver);