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v5.9
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
   4 *   interfaces 
   5 *
   6 *	Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
   7 *    
   8 *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
   9 *      code.
  10 */      
  11
  12#include <linux/delay.h>
  13#include <linux/init.h>
  14#include <linux/interrupt.h>
  15#include <linux/pci.h>
  16#include <linux/module.h>
  17#include <linux/vmalloc.h>
  18#include <linux/io.h>
  19
  20#include <sound/core.h>
  21#include <sound/info.h>
  22#include <sound/control.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/asoundef.h>
  26#include <sound/initval.h>
  27
  28/* note, two last pcis should be equal, it is not a bug */
  29
  30MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
  31MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
  32		   "Digi96/8 PAD");
  33MODULE_LICENSE("GPL");
  34MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
  35		"{RME,Digi96/8},"
  36		"{RME,Digi96/8 PRO},"
  37		"{RME,Digi96/8 PST},"
  38		"{RME,Digi96/8 PAD}}");
  39
  40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
  43
  44module_param_array(index, int, NULL, 0444);
  45MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
  46module_param_array(id, charp, NULL, 0444);
  47MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
  48module_param_array(enable, bool, NULL, 0444);
  49MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
  50
  51/*
  52 * Defines for RME Digi96 series, from internal RME reference documents
  53 * dated 12.01.00
  54 */
  55
  56#define RME96_SPDIF_NCHANNELS 2
  57
  58/* Playback and capture buffer size */
  59#define RME96_BUFFER_SIZE 0x10000
  60
  61/* IO area size */
  62#define RME96_IO_SIZE 0x60000
  63
  64/* IO area offsets */
  65#define RME96_IO_PLAY_BUFFER      0x0
  66#define RME96_IO_REC_BUFFER       0x10000
  67#define RME96_IO_CONTROL_REGISTER 0x20000
  68#define RME96_IO_ADDITIONAL_REG   0x20004
  69#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
  70#define RME96_IO_CONFIRM_REC_IRQ  0x2000C
  71#define RME96_IO_SET_PLAY_POS     0x40000
  72#define RME96_IO_RESET_PLAY_POS   0x4FFFC
  73#define RME96_IO_SET_REC_POS      0x50000
  74#define RME96_IO_RESET_REC_POS    0x5FFFC
  75#define RME96_IO_GET_PLAY_POS     0x20000
  76#define RME96_IO_GET_REC_POS      0x30000
  77
  78/* Write control register bits */
  79#define RME96_WCR_START     (1 << 0)
  80#define RME96_WCR_START_2   (1 << 1)
  81#define RME96_WCR_GAIN_0    (1 << 2)
  82#define RME96_WCR_GAIN_1    (1 << 3)
  83#define RME96_WCR_MODE24    (1 << 4)
  84#define RME96_WCR_MODE24_2  (1 << 5)
  85#define RME96_WCR_BM        (1 << 6)
  86#define RME96_WCR_BM_2      (1 << 7)
  87#define RME96_WCR_ADAT      (1 << 8)
  88#define RME96_WCR_FREQ_0    (1 << 9)
  89#define RME96_WCR_FREQ_1    (1 << 10)
  90#define RME96_WCR_DS        (1 << 11)
  91#define RME96_WCR_PRO       (1 << 12)
  92#define RME96_WCR_EMP       (1 << 13)
  93#define RME96_WCR_SEL       (1 << 14)
  94#define RME96_WCR_MASTER    (1 << 15)
  95#define RME96_WCR_PD        (1 << 16)
  96#define RME96_WCR_INP_0     (1 << 17)
  97#define RME96_WCR_INP_1     (1 << 18)
  98#define RME96_WCR_THRU_0    (1 << 19)
  99#define RME96_WCR_THRU_1    (1 << 20)
 100#define RME96_WCR_THRU_2    (1 << 21)
 101#define RME96_WCR_THRU_3    (1 << 22)
 102#define RME96_WCR_THRU_4    (1 << 23)
 103#define RME96_WCR_THRU_5    (1 << 24)
 104#define RME96_WCR_THRU_6    (1 << 25)
 105#define RME96_WCR_THRU_7    (1 << 26)
 106#define RME96_WCR_DOLBY     (1 << 27)
 107#define RME96_WCR_MONITOR_0 (1 << 28)
 108#define RME96_WCR_MONITOR_1 (1 << 29)
 109#define RME96_WCR_ISEL      (1 << 30)
 110#define RME96_WCR_IDIS      (1 << 31)
 111
 112#define RME96_WCR_BITPOS_GAIN_0 2
 113#define RME96_WCR_BITPOS_GAIN_1 3
 114#define RME96_WCR_BITPOS_FREQ_0 9
 115#define RME96_WCR_BITPOS_FREQ_1 10
 116#define RME96_WCR_BITPOS_INP_0 17
 117#define RME96_WCR_BITPOS_INP_1 18
 118#define RME96_WCR_BITPOS_MONITOR_0 28
 119#define RME96_WCR_BITPOS_MONITOR_1 29
 120
 121/* Read control register bits */
 122#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
 123#define RME96_RCR_IRQ_2     (1 << 16)
 124#define RME96_RCR_T_OUT     (1 << 17)
 125#define RME96_RCR_DEV_ID_0  (1 << 21)
 126#define RME96_RCR_DEV_ID_1  (1 << 22)
 127#define RME96_RCR_LOCK      (1 << 23)
 128#define RME96_RCR_VERF      (1 << 26)
 129#define RME96_RCR_F0        (1 << 27)
 130#define RME96_RCR_F1        (1 << 28)
 131#define RME96_RCR_F2        (1 << 29)
 132#define RME96_RCR_AUTOSYNC  (1 << 30)
 133#define RME96_RCR_IRQ       (1 << 31)
 134
 135#define RME96_RCR_BITPOS_F0 27
 136#define RME96_RCR_BITPOS_F1 28
 137#define RME96_RCR_BITPOS_F2 29
 138
 139/* Additional register bits */
 140#define RME96_AR_WSEL       (1 << 0)
 141#define RME96_AR_ANALOG     (1 << 1)
 142#define RME96_AR_FREQPAD_0  (1 << 2)
 143#define RME96_AR_FREQPAD_1  (1 << 3)
 144#define RME96_AR_FREQPAD_2  (1 << 4)
 145#define RME96_AR_PD2        (1 << 5)
 146#define RME96_AR_DAC_EN     (1 << 6)
 147#define RME96_AR_CLATCH     (1 << 7)
 148#define RME96_AR_CCLK       (1 << 8)
 149#define RME96_AR_CDATA      (1 << 9)
 150
 151#define RME96_AR_BITPOS_F0 2
 152#define RME96_AR_BITPOS_F1 3
 153#define RME96_AR_BITPOS_F2 4
 154
 155/* Monitor tracks */
 156#define RME96_MONITOR_TRACKS_1_2 0
 157#define RME96_MONITOR_TRACKS_3_4 1
 158#define RME96_MONITOR_TRACKS_5_6 2
 159#define RME96_MONITOR_TRACKS_7_8 3
 160
 161/* Attenuation */
 162#define RME96_ATTENUATION_0 0
 163#define RME96_ATTENUATION_6 1
 164#define RME96_ATTENUATION_12 2
 165#define RME96_ATTENUATION_18 3
 166
 167/* Input types */
 168#define RME96_INPUT_OPTICAL 0
 169#define RME96_INPUT_COAXIAL 1
 170#define RME96_INPUT_INTERNAL 2
 171#define RME96_INPUT_XLR 3
 172#define RME96_INPUT_ANALOG 4
 173
 174/* Clock modes */
 175#define RME96_CLOCKMODE_SLAVE 0
 176#define RME96_CLOCKMODE_MASTER 1
 177#define RME96_CLOCKMODE_WORDCLOCK 2
 178
 179/* Block sizes in bytes */
 180#define RME96_SMALL_BLOCK_SIZE 2048
 181#define RME96_LARGE_BLOCK_SIZE 8192
 182
 183/* Volume control */
 184#define RME96_AD1852_VOL_BITS 14
 185#define RME96_AD1855_VOL_BITS 10
 186
 187/* Defines for snd_rme96_trigger */
 188#define RME96_TB_START_PLAYBACK 1
 189#define RME96_TB_START_CAPTURE 2
 190#define RME96_TB_STOP_PLAYBACK 4
 191#define RME96_TB_STOP_CAPTURE 8
 192#define RME96_TB_RESET_PLAYPOS 16
 193#define RME96_TB_RESET_CAPTUREPOS 32
 194#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
 195#define RME96_TB_CLEAR_CAPTURE_IRQ 128
 196#define RME96_RESUME_PLAYBACK	(RME96_TB_START_PLAYBACK)
 197#define RME96_RESUME_CAPTURE	(RME96_TB_START_CAPTURE)
 198#define RME96_RESUME_BOTH	(RME96_RESUME_PLAYBACK \
 199				| RME96_RESUME_CAPTURE)
 200#define RME96_START_PLAYBACK	(RME96_TB_START_PLAYBACK \
 201				| RME96_TB_RESET_PLAYPOS)
 202#define RME96_START_CAPTURE	(RME96_TB_START_CAPTURE \
 203				| RME96_TB_RESET_CAPTUREPOS)
 204#define RME96_START_BOTH	(RME96_START_PLAYBACK \
 205				| RME96_START_CAPTURE)
 206#define RME96_STOP_PLAYBACK	(RME96_TB_STOP_PLAYBACK \
 207				| RME96_TB_CLEAR_PLAYBACK_IRQ)
 208#define RME96_STOP_CAPTURE	(RME96_TB_STOP_CAPTURE \
 209				| RME96_TB_CLEAR_CAPTURE_IRQ)
 210#define RME96_STOP_BOTH		(RME96_STOP_PLAYBACK \
 211				| RME96_STOP_CAPTURE)
 212
 213struct rme96 {
 214	spinlock_t    lock;
 215	int irq;
 216	unsigned long port;
 217	void __iomem *iobase;
 218	
 219	u32 wcreg;    /* cached write control register value */
 220	u32 wcreg_spdif;		/* S/PDIF setup */
 221	u32 wcreg_spdif_stream;		/* S/PDIF setup (temporary) */
 222	u32 rcreg;    /* cached read control register value */
 223	u32 areg;     /* cached additional register value */
 224	u16 vol[2]; /* cached volume of analog output */
 225
 226	u8 rev; /* card revision number */
 227
 228#ifdef CONFIG_PM_SLEEP
 229	u32 playback_pointer;
 230	u32 capture_pointer;
 231	void *playback_suspend_buffer;
 232	void *capture_suspend_buffer;
 233#endif
 234
 235	struct snd_pcm_substream *playback_substream;
 236	struct snd_pcm_substream *capture_substream;
 237
 238	int playback_frlog; /* log2 of framesize */
 239	int capture_frlog;
 240	
 241        size_t playback_periodsize; /* in bytes, zero if not used */
 242	size_t capture_periodsize; /* in bytes, zero if not used */
 243
 244	struct snd_card *card;
 245	struct snd_pcm *spdif_pcm;
 246	struct snd_pcm *adat_pcm; 
 247	struct pci_dev     *pci;
 248	struct snd_kcontrol   *spdif_ctl;
 249};
 250
 251static const struct pci_device_id snd_rme96_ids[] = {
 252	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
 253	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
 254	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
 255	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
 256	{ 0, }
 257};
 258
 259MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
 260
 261#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
 262#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
 263#define	RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 264#define	RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
 265				     (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
 266#define	RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
 267#define	RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
 268			          ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
 269#define	RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
 270
 271static int
 272snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
 273
 274static int
 275snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
 276
 277static int
 278snd_rme96_playback_trigger(struct snd_pcm_substream *substream, 
 279			   int cmd);
 280
 281static int
 282snd_rme96_capture_trigger(struct snd_pcm_substream *substream, 
 283			  int cmd);
 284
 285static snd_pcm_uframes_t
 286snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
 287
 288static snd_pcm_uframes_t
 289snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
 290
 291static void snd_rme96_proc_init(struct rme96 *rme96);
 292
 293static int
 294snd_rme96_create_switches(struct snd_card *card,
 295			  struct rme96 *rme96);
 296
 297static int
 298snd_rme96_getinputtype(struct rme96 *rme96);
 299
 300static inline unsigned int
 301snd_rme96_playback_ptr(struct rme96 *rme96)
 302{
 303	return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
 304		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
 305}
 306
 307static inline unsigned int
 308snd_rme96_capture_ptr(struct rme96 *rme96)
 309{
 310	return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
 311		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
 312}
 313
 314static int
 315snd_rme96_playback_silence(struct snd_pcm_substream *substream,
 316			   int channel, unsigned long pos, unsigned long count)
 317{
 318	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 319
 320	memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 321		  0, count);
 322	return 0;
 323}
 324
 325static int
 326snd_rme96_playback_copy(struct snd_pcm_substream *substream,
 327			int channel, unsigned long pos,
 328			void __user *src, unsigned long count)
 329{
 330	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 331
 332	return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 333				   src, count);
 334}
 335
 336static int
 337snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream,
 338			       int channel, unsigned long pos,
 339			       void *src, unsigned long count)
 340{
 341	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 342
 343	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count);
 344	return 0;
 345}
 346
 347static int
 348snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 349		       int channel, unsigned long pos,
 350		       void __user *dst, unsigned long count)
 351{
 352	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 353
 354	return copy_to_user_fromio(dst,
 355				   rme96->iobase + RME96_IO_REC_BUFFER + pos,
 356				   count);
 357}
 358
 359static int
 360snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream,
 361			      int channel, unsigned long pos,
 362			      void *dst, unsigned long count)
 363{
 364	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 365
 366	memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count);
 367	return 0;
 368}
 369
 370/*
 371 * Digital output capabilities (S/PDIF)
 372 */
 373static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 374{
 375	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 376			      SNDRV_PCM_INFO_MMAP_VALID |
 377			      SNDRV_PCM_INFO_SYNC_START |
 378			      SNDRV_PCM_INFO_RESUME |
 379			      SNDRV_PCM_INFO_INTERLEAVED |
 380			      SNDRV_PCM_INFO_PAUSE),
 381	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 382			      SNDRV_PCM_FMTBIT_S32_LE),
 383	.rates =	     (SNDRV_PCM_RATE_32000 |
 384			      SNDRV_PCM_RATE_44100 | 
 385			      SNDRV_PCM_RATE_48000 | 
 386			      SNDRV_PCM_RATE_64000 |
 387			      SNDRV_PCM_RATE_88200 | 
 388			      SNDRV_PCM_RATE_96000),
 389	.rate_min =	     32000,
 390	.rate_max =	     96000,
 391	.channels_min =	     2,
 392	.channels_max =	     2,
 393	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 394	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 395	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 396	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 397	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 398	.fifo_size =	     0,
 399};
 400
 401/*
 402 * Digital input capabilities (S/PDIF)
 403 */
 404static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 405{
 406	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 407			      SNDRV_PCM_INFO_MMAP_VALID |
 408			      SNDRV_PCM_INFO_SYNC_START |
 409			      SNDRV_PCM_INFO_RESUME |
 410			      SNDRV_PCM_INFO_INTERLEAVED |
 411			      SNDRV_PCM_INFO_PAUSE),
 412	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 413			      SNDRV_PCM_FMTBIT_S32_LE),
 414	.rates =	     (SNDRV_PCM_RATE_32000 |
 415			      SNDRV_PCM_RATE_44100 | 
 416			      SNDRV_PCM_RATE_48000 | 
 417			      SNDRV_PCM_RATE_64000 |
 418			      SNDRV_PCM_RATE_88200 | 
 419			      SNDRV_PCM_RATE_96000),
 420	.rate_min =	     32000,
 421	.rate_max =	     96000,
 422	.channels_min =	     2,
 423	.channels_max =	     2,
 424	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 425	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 426	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 427	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 428	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 429	.fifo_size =	     0,
 430};
 431
 432/*
 433 * Digital output capabilities (ADAT)
 434 */
 435static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
 436{
 437	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 438			      SNDRV_PCM_INFO_MMAP_VALID |
 439			      SNDRV_PCM_INFO_SYNC_START |
 440			      SNDRV_PCM_INFO_RESUME |
 441			      SNDRV_PCM_INFO_INTERLEAVED |
 442			      SNDRV_PCM_INFO_PAUSE),
 443	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 444			      SNDRV_PCM_FMTBIT_S32_LE),
 445	.rates =             (SNDRV_PCM_RATE_44100 | 
 446			      SNDRV_PCM_RATE_48000),
 447	.rate_min =          44100,
 448	.rate_max =          48000,
 449	.channels_min =      8,
 450	.channels_max =	     8,
 451	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 452	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 453	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 454	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 455	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 456	.fifo_size =	     0,
 457};
 458
 459/*
 460 * Digital input capabilities (ADAT)
 461 */
 462static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
 463{
 464	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 465			      SNDRV_PCM_INFO_MMAP_VALID |
 466			      SNDRV_PCM_INFO_SYNC_START |
 467			      SNDRV_PCM_INFO_RESUME |
 468			      SNDRV_PCM_INFO_INTERLEAVED |
 469			      SNDRV_PCM_INFO_PAUSE),
 470	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 471			      SNDRV_PCM_FMTBIT_S32_LE),
 472	.rates =	     (SNDRV_PCM_RATE_44100 | 
 473			      SNDRV_PCM_RATE_48000),
 474	.rate_min =          44100,
 475	.rate_max =          48000,
 476	.channels_min =      8,
 477	.channels_max =	     8,
 478	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 479	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 480	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 481	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 482	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 483	.fifo_size =         0,
 484};
 485
 486/*
 487 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 488 * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 489 * on the falling edge of CCLK and be stable on the rising edge.  The rising
 490 * edge of CLATCH after the last data bit clocks in the whole data word.
 491 * A fast processor could probably drive the SPI interface faster than the
 492 * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 493 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 494 *
 495 * NOTE: increased delay from 1 to 10, since there where problems setting
 496 * the volume.
 497 */
 498static void
 499snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
 500{
 501	int i;
 502
 503	for (i = 0; i < 16; i++) {
 504		if (val & 0x8000) {
 505			rme96->areg |= RME96_AR_CDATA;
 506		} else {
 507			rme96->areg &= ~RME96_AR_CDATA;
 508		}
 509		rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 510		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 511		udelay(10);
 512		rme96->areg |= RME96_AR_CCLK;
 513		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 514		udelay(10);
 515		val <<= 1;
 516	}
 517	rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 518	rme96->areg |= RME96_AR_CLATCH;
 519	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 520	udelay(10);
 521	rme96->areg &= ~RME96_AR_CLATCH;
 522	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 523}
 524
 525static void
 526snd_rme96_apply_dac_volume(struct rme96 *rme96)
 527{
 528	if (RME96_DAC_IS_1852(rme96)) {
 529		snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 530		snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 531	} else if (RME96_DAC_IS_1855(rme96)) {
 532		snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 533		snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 534	}
 535}
 536
 537static void
 538snd_rme96_reset_dac(struct rme96 *rme96)
 539{
 540	writel(rme96->wcreg | RME96_WCR_PD,
 541	       rme96->iobase + RME96_IO_CONTROL_REGISTER);
 542	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 543}
 544
 545static int
 546snd_rme96_getmontracks(struct rme96 *rme96)
 547{
 548	return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 549		(((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 550}
 551
 552static int
 553snd_rme96_setmontracks(struct rme96 *rme96,
 554		       int montracks)
 555{
 556	if (montracks & 1) {
 557		rme96->wcreg |= RME96_WCR_MONITOR_0;
 558	} else {
 559		rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 560	}
 561	if (montracks & 2) {
 562		rme96->wcreg |= RME96_WCR_MONITOR_1;
 563	} else {
 564		rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 565	}
 566	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 567	return 0;
 568}
 569
 570static int
 571snd_rme96_getattenuation(struct rme96 *rme96)
 572{
 573	return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 574		(((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 575}
 576
 577static int
 578snd_rme96_setattenuation(struct rme96 *rme96,
 579			 int attenuation)
 580{
 581	switch (attenuation) {
 582	case 0:
 583		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 584			~RME96_WCR_GAIN_1;
 585		break;
 586	case 1:
 587		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 588			~RME96_WCR_GAIN_1;
 589		break;
 590	case 2:
 591		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 592			RME96_WCR_GAIN_1;
 593		break;
 594	case 3:
 595		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 596			RME96_WCR_GAIN_1;
 597		break;
 598	default:
 599		return -EINVAL;
 600	}
 601	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 602	return 0;
 603}
 604
 605static int
 606snd_rme96_capture_getrate(struct rme96 *rme96,
 607			  int *is_adat)
 608{	
 609	int n, rate;
 610
 611	*is_adat = 0;
 612	if (rme96->areg & RME96_AR_ANALOG) {
 613		/* Analog input, overrides S/PDIF setting */
 614		n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 615			(((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 616		switch (n) {
 617		case 1:
 618			rate = 32000;
 619			break;
 620		case 2:
 621			rate = 44100;
 622			break;
 623		case 3:
 624			rate = 48000;
 625			break;
 626		default:
 627			return -1;
 628		}
 629		return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 630	}
 631
 632	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 633	if (rme96->rcreg & RME96_RCR_LOCK) {
 634		/* ADAT rate */
 635		*is_adat = 1;
 636		if (rme96->rcreg & RME96_RCR_T_OUT) {
 637			return 48000;
 638		}
 639		return 44100;
 640	}
 641
 642	if (rme96->rcreg & RME96_RCR_VERF) {
 643		return -1;
 644	}
 645	
 646	/* S/PDIF rate */
 647	n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 648		(((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 649		(((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 650	
 651	switch (n) {
 652	case 0:		
 653		if (rme96->rcreg & RME96_RCR_T_OUT) {
 654			return 64000;
 655		}
 656		return -1;
 657	case 3: return 96000;
 658	case 4: return 88200;
 659	case 5: return 48000;
 660	case 6: return 44100;
 661	case 7: return 32000;
 662	default:
 663		break;
 664	}
 665	return -1;
 666}
 667
 668static int
 669snd_rme96_playback_getrate(struct rme96 *rme96)
 670{
 671	int rate, dummy;
 672
 673	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 674            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 675	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 676	{
 677	        /* slave clock */
 678	        return rate;
 
 679	}
 
 680	rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 681		(((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 682	switch (rate) {
 683	case 1:
 684		rate = 32000;
 685		break;
 686	case 2:
 687		rate = 44100;
 688		break;
 689	case 3:
 690		rate = 48000;
 691		break;
 692	default:
 693		return -1;
 694	}
 695	return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 696}
 697
 698static int
 699snd_rme96_playback_setrate(struct rme96 *rme96,
 700			   int rate)
 701{
 702	int ds;
 703
 704	ds = rme96->wcreg & RME96_WCR_DS;
 705	switch (rate) {
 706	case 32000:
 707		rme96->wcreg &= ~RME96_WCR_DS;
 708		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 709			~RME96_WCR_FREQ_1;
 710		break;
 711	case 44100:
 712		rme96->wcreg &= ~RME96_WCR_DS;
 713		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 714			~RME96_WCR_FREQ_0;
 715		break;
 716	case 48000:
 717		rme96->wcreg &= ~RME96_WCR_DS;
 718		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 719			RME96_WCR_FREQ_1;
 720		break;
 721	case 64000:
 722		rme96->wcreg |= RME96_WCR_DS;
 723		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 724			~RME96_WCR_FREQ_1;
 725		break;
 726	case 88200:
 727		rme96->wcreg |= RME96_WCR_DS;
 728		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 729			~RME96_WCR_FREQ_0;
 730		break;
 731	case 96000:
 732		rme96->wcreg |= RME96_WCR_DS;
 733		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 734			RME96_WCR_FREQ_1;
 735		break;
 736	default:
 737		return -EINVAL;
 738	}
 739	if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 740	    (ds && !(rme96->wcreg & RME96_WCR_DS)))
 741	{
 742		/* change to/from double-speed: reset the DAC (if available) */
 743		snd_rme96_reset_dac(rme96);
 744		return 1; /* need to restore volume */
 745	} else {
 746		writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 747		return 0;
 748	}
 749}
 750
 751static int
 752snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 753				 int rate)
 754{
 755	switch (rate) {
 756	case 32000:
 757		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 758			       ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 759		break;
 760	case 44100:
 761		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 762			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 763		break;
 764	case 48000:
 765		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 766			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 767		break;
 768	case 64000:
 769		if (rme96->rev < 4) {
 770			return -EINVAL;
 771		}
 772		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 773			       ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 774		break;
 775	case 88200:
 776		if (rme96->rev < 4) {
 777			return -EINVAL;
 778		}
 779		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 780			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 781		break;
 782	case 96000:
 783		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 784			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 785		break;
 786	default:
 787		return -EINVAL;
 788	}
 789	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 790	return 0;
 791}
 792
 793static int
 794snd_rme96_setclockmode(struct rme96 *rme96,
 795		       int mode)
 796{
 797	switch (mode) {
 798	case RME96_CLOCKMODE_SLAVE:
 799	        /* AutoSync */ 
 800		rme96->wcreg &= ~RME96_WCR_MASTER;
 801		rme96->areg &= ~RME96_AR_WSEL;
 802		break;
 803	case RME96_CLOCKMODE_MASTER:
 804	        /* Internal */
 805		rme96->wcreg |= RME96_WCR_MASTER;
 806		rme96->areg &= ~RME96_AR_WSEL;
 807		break;
 808	case RME96_CLOCKMODE_WORDCLOCK:
 809		/* Word clock is a master mode */
 810		rme96->wcreg |= RME96_WCR_MASTER; 
 811		rme96->areg |= RME96_AR_WSEL;
 812		break;
 813	default:
 814		return -EINVAL;
 815	}
 816	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 817	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 818	return 0;
 819}
 820
 821static int
 822snd_rme96_getclockmode(struct rme96 *rme96)
 823{
 824	if (rme96->areg & RME96_AR_WSEL) {
 825		return RME96_CLOCKMODE_WORDCLOCK;
 826	}
 827	return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 828		RME96_CLOCKMODE_SLAVE;
 829}
 830
 831static int
 832snd_rme96_setinputtype(struct rme96 *rme96,
 833		       int type)
 834{
 835	int n;
 836
 837	switch (type) {
 838	case RME96_INPUT_OPTICAL:
 839		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 840			~RME96_WCR_INP_1;
 841		break;
 842	case RME96_INPUT_COAXIAL:
 843		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 844			~RME96_WCR_INP_1;
 845		break;
 846	case RME96_INPUT_INTERNAL:
 847		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 848			RME96_WCR_INP_1;
 849		break;
 850	case RME96_INPUT_XLR:
 851		if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 852		     rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 853		    (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 854		     rme96->rev > 4))
 855		{
 856			/* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 857			return -EINVAL;
 858		}
 859		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 860			RME96_WCR_INP_1;
 861		break;
 862	case RME96_INPUT_ANALOG:
 863		if (!RME96_HAS_ANALOG_IN(rme96)) {
 864			return -EINVAL;
 865		}
 866		rme96->areg |= RME96_AR_ANALOG;
 867		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 868		if (rme96->rev < 4) {
 869			/*
 870			 * Revision less than 004 does not support 64 and
 871			 * 88.2 kHz
 872			 */
 873			if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 874				snd_rme96_capture_analog_setrate(rme96, 44100);
 875			}
 876			if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 877				snd_rme96_capture_analog_setrate(rme96, 32000);
 878			}
 879		}
 880		return 0;
 881	default:
 882		return -EINVAL;
 883	}
 884	if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 885		rme96->areg &= ~RME96_AR_ANALOG;
 886		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 887	}
 888	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 889	return 0;
 890}
 891
 892static int
 893snd_rme96_getinputtype(struct rme96 *rme96)
 894{
 895	if (rme96->areg & RME96_AR_ANALOG) {
 896		return RME96_INPUT_ANALOG;
 897	}
 898	return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 899		(((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 900}
 901
 902static void
 903snd_rme96_setframelog(struct rme96 *rme96,
 904		      int n_channels,
 905		      int is_playback)
 906{
 907	int frlog;
 908	
 909	if (n_channels == 2) {
 910		frlog = 1;
 911	} else {
 912		/* assume 8 channels */
 913		frlog = 3;
 914	}
 915	if (is_playback) {
 916		frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 917		rme96->playback_frlog = frlog;
 918	} else {
 919		frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 920		rme96->capture_frlog = frlog;
 921	}
 922}
 923
 924static int
 925snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 926{
 927	switch (format) {
 928	case SNDRV_PCM_FORMAT_S16_LE:
 929		rme96->wcreg &= ~RME96_WCR_MODE24;
 930		break;
 931	case SNDRV_PCM_FORMAT_S32_LE:
 932		rme96->wcreg |= RME96_WCR_MODE24;
 933		break;
 934	default:
 935		return -EINVAL;
 936	}
 937	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 938	return 0;
 939}
 940
 941static int
 942snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 943{
 944	switch (format) {
 945	case SNDRV_PCM_FORMAT_S16_LE:
 946		rme96->wcreg &= ~RME96_WCR_MODE24_2;
 947		break;
 948	case SNDRV_PCM_FORMAT_S32_LE:
 949		rme96->wcreg |= RME96_WCR_MODE24_2;
 950		break;
 951	default:
 952		return -EINVAL;
 953	}
 954	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 955	return 0;
 956}
 957
 958static void
 959snd_rme96_set_period_properties(struct rme96 *rme96,
 960				size_t period_bytes)
 961{
 962	switch (period_bytes) {
 963	case RME96_LARGE_BLOCK_SIZE:
 964		rme96->wcreg &= ~RME96_WCR_ISEL;
 965		break;
 966	case RME96_SMALL_BLOCK_SIZE:
 967		rme96->wcreg |= RME96_WCR_ISEL;
 968		break;
 969	default:
 970		snd_BUG();
 971		break;
 972	}
 973	rme96->wcreg &= ~RME96_WCR_IDIS;
 974	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 975}
 976
 977static int
 978snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 979			     struct snd_pcm_hw_params *params)
 980{
 981	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 982	struct snd_pcm_runtime *runtime = substream->runtime;
 983	int err, rate, dummy;
 984	bool apply_dac_volume = false;
 985
 986	runtime->dma_area = (void __force *)(rme96->iobase +
 987					     RME96_IO_PLAY_BUFFER);
 988	runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 989	runtime->dma_bytes = RME96_BUFFER_SIZE;
 990
 991	spin_lock_irq(&rme96->lock);
 
 992	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 993            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
 994	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
 995	{
 996                /* slave clock */
 997                if ((int)params_rate(params) != rate) {
 998			err = -EIO;
 999			goto error;
1000		}
1001	} else {
1002		err = snd_rme96_playback_setrate(rme96, params_rate(params));
1003		if (err < 0)
1004			goto error;
1005		apply_dac_volume = err > 0; /* need to restore volume later? */
1006	}
1007
1008	err = snd_rme96_playback_setformat(rme96, params_format(params));
1009	if (err < 0)
1010		goto error;
1011	snd_rme96_setframelog(rme96, params_channels(params), 1);
1012	if (rme96->capture_periodsize != 0) {
1013		if (params_period_size(params) << rme96->playback_frlog !=
1014		    rme96->capture_periodsize)
1015		{
1016			err = -EBUSY;
1017			goto error;
1018		}
1019	}
1020	rme96->playback_periodsize =
1021		params_period_size(params) << rme96->playback_frlog;
1022	snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1023	/* S/PDIF setup */
1024	if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1025		rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1026		writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1027	}
1028
1029	err = 0;
1030 error:
1031	spin_unlock_irq(&rme96->lock);
1032	if (apply_dac_volume) {
1033		usleep_range(3000, 10000);
1034		snd_rme96_apply_dac_volume(rme96);
1035	}
1036
1037	return err;
1038}
1039
1040static int
1041snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1042			    struct snd_pcm_hw_params *params)
1043{
1044	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1045	struct snd_pcm_runtime *runtime = substream->runtime;
1046	int err, isadat, rate;
1047	
1048	runtime->dma_area = (void __force *)(rme96->iobase +
1049					     RME96_IO_REC_BUFFER);
1050	runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1051	runtime->dma_bytes = RME96_BUFFER_SIZE;
1052
1053	spin_lock_irq(&rme96->lock);
1054	if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
 
1055		spin_unlock_irq(&rme96->lock);
1056		return err;
1057	}
1058	if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1059		if ((err = snd_rme96_capture_analog_setrate(rme96,
1060							    params_rate(params))) < 0)
1061		{
1062			spin_unlock_irq(&rme96->lock);
1063			return err;
1064		}
1065	} else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 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                {
1073			spin_unlock_irq(&rme96->lock);
1074			return -EIO;
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
1094static void
1095snd_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
1125static irqreturn_t
1126snd_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
1152static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154static 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
1160static void
1161rme96_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	if ((size = rme96->playback_periodsize) != 0 ||
1169	    (size = rme96->capture_periodsize) != 0)
 
 
1170		snd_pcm_hw_constraint_single(runtime,
1171					     SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1172					     size);
1173	else
1174		snd_pcm_hw_constraint_list(runtime, 0,
1175					   SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1176					   &hw_constraints_period_bytes);
1177}
1178
1179static int
1180snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1181{
1182        int rate, dummy;
1183	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1184	struct snd_pcm_runtime *runtime = substream->runtime;
1185
1186	snd_pcm_set_sync(substream);
1187	spin_lock_irq(&rme96->lock);	
1188	if (rme96->playback_substream) {
1189		spin_unlock_irq(&rme96->lock);
1190                return -EBUSY;
1191        }
1192	rme96->wcreg &= ~RME96_WCR_ADAT;
1193	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1194	rme96->playback_substream = substream;
1195	spin_unlock_irq(&rme96->lock);
1196
1197	runtime->hw = snd_rme96_playback_spdif_info;
1198	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1199            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1200	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1201	{
1202                /* slave clock */
1203                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1204                runtime->hw.rate_min = rate;
1205                runtime->hw.rate_max = rate;
 
1206	}        
1207	rme96_set_buffer_size_constraint(rme96, runtime);
1208
1209	rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1210	rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1211	snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1212		       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1213	return 0;
1214}
1215
1216static int
1217snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1218{
1219        int isadat, rate;
1220	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1221	struct snd_pcm_runtime *runtime = substream->runtime;
1222
1223	snd_pcm_set_sync(substream);
1224	runtime->hw = snd_rme96_capture_spdif_info;
1225        if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1226            (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1227        {
1228                if (isadat) {
1229                        return -EIO;
1230                }
1231                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1232                runtime->hw.rate_min = rate;
1233                runtime->hw.rate_max = rate;
1234        }
1235        
1236	spin_lock_irq(&rme96->lock);
1237	if (rme96->capture_substream) {
1238		spin_unlock_irq(&rme96->lock);
1239                return -EBUSY;
1240        }
1241	rme96->capture_substream = substream;
1242	spin_unlock_irq(&rme96->lock);
1243	
1244	rme96_set_buffer_size_constraint(rme96, runtime);
1245	return 0;
1246}
1247
1248static int
1249snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1250{
1251        int rate, dummy;
1252	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1253	struct snd_pcm_runtime *runtime = substream->runtime;        
1254	
1255	snd_pcm_set_sync(substream);
1256	spin_lock_irq(&rme96->lock);	
1257	if (rme96->playback_substream) {
1258		spin_unlock_irq(&rme96->lock);
1259                return -EBUSY;
1260        }
1261	rme96->wcreg |= RME96_WCR_ADAT;
1262	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1263	rme96->playback_substream = substream;
1264	spin_unlock_irq(&rme96->lock);
1265	
1266	runtime->hw = snd_rme96_playback_adat_info;
1267	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1268            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1269	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1270	{
1271                /* slave clock */
1272                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1273                runtime->hw.rate_min = rate;
1274                runtime->hw.rate_max = rate;
1275	}        
 
 
1276	rme96_set_buffer_size_constraint(rme96, runtime);
1277	return 0;
1278}
1279
1280static int
1281snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1282{
1283        int isadat, rate;
1284	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1285	struct snd_pcm_runtime *runtime = substream->runtime;
1286
1287	snd_pcm_set_sync(substream);
1288	runtime->hw = snd_rme96_capture_adat_info;
1289        if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1290                /* makes no sense to use analog input. Note that analog
1291                   expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1292                return -EIO;
1293        }
1294        if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
 
1295                if (!isadat) {
1296                        return -EIO;
1297                }
1298                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1299                runtime->hw.rate_min = rate;
1300                runtime->hw.rate_max = rate;
1301        }
1302        
1303	spin_lock_irq(&rme96->lock);	
1304	if (rme96->capture_substream) {
1305		spin_unlock_irq(&rme96->lock);
1306                return -EBUSY;
1307        }
1308	rme96->capture_substream = substream;
1309	spin_unlock_irq(&rme96->lock);
1310
1311	rme96_set_buffer_size_constraint(rme96, runtime);
1312	return 0;
1313}
1314
1315static int
1316snd_rme96_playback_close(struct snd_pcm_substream *substream)
1317{
1318	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1319	int spdif = 0;
1320
1321	spin_lock_irq(&rme96->lock);	
1322	if (RME96_ISPLAYING(rme96)) {
1323		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1324	}
1325	rme96->playback_substream = NULL;
1326	rme96->playback_periodsize = 0;
1327	spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1328	spin_unlock_irq(&rme96->lock);
1329	if (spdif) {
1330		rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1331		snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1332			       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1333	}
1334	return 0;
1335}
1336
1337static int
1338snd_rme96_capture_close(struct snd_pcm_substream *substream)
1339{
1340	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1341	
1342	spin_lock_irq(&rme96->lock);	
1343	if (RME96_ISRECORDING(rme96)) {
1344		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1345	}
1346	rme96->capture_substream = NULL;
1347	rme96->capture_periodsize = 0;
1348	spin_unlock_irq(&rme96->lock);
1349	return 0;
1350}
1351
1352static int
1353snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1354{
1355	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1356	
1357	spin_lock_irq(&rme96->lock);	
1358	if (RME96_ISPLAYING(rme96)) {
1359		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1360	}
1361	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1362	spin_unlock_irq(&rme96->lock);
1363	return 0;
1364}
1365
1366static int
1367snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1368{
1369	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1370	
1371	spin_lock_irq(&rme96->lock);	
1372	if (RME96_ISRECORDING(rme96)) {
1373		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1374	}
1375	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1376	spin_unlock_irq(&rme96->lock);
1377	return 0;
1378}
1379
1380static int
1381snd_rme96_playback_trigger(struct snd_pcm_substream *substream, 
1382			   int cmd)
1383{
1384	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1385	struct snd_pcm_substream *s;
1386	bool sync;
1387
1388	snd_pcm_group_for_each_entry(s, substream) {
1389		if (snd_pcm_substream_chip(s) == rme96)
1390			snd_pcm_trigger_done(s, substream);
1391	}
1392
1393	sync = (rme96->playback_substream && rme96->capture_substream) &&
1394	       (rme96->playback_substream->group ==
1395		rme96->capture_substream->group);
1396
1397	switch (cmd) {
1398	case SNDRV_PCM_TRIGGER_START:
1399		if (!RME96_ISPLAYING(rme96)) {
1400			if (substream != rme96->playback_substream)
1401				return -EBUSY;
1402			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1403						 : RME96_START_PLAYBACK);
1404		}
1405		break;
1406
1407	case SNDRV_PCM_TRIGGER_SUSPEND:
1408	case SNDRV_PCM_TRIGGER_STOP:
1409		if (RME96_ISPLAYING(rme96)) {
1410			if (substream != rme96->playback_substream)
1411				return -EBUSY;
1412			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1413						 :  RME96_STOP_PLAYBACK);
1414		}
1415		break;
1416
1417	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1418		if (RME96_ISPLAYING(rme96))
1419			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1420						 : RME96_STOP_PLAYBACK);
1421		break;
1422
1423	case SNDRV_PCM_TRIGGER_RESUME:
1424	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1425		if (!RME96_ISPLAYING(rme96))
1426			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1427						 : RME96_RESUME_PLAYBACK);
1428		break;
1429
1430	default:
1431		return -EINVAL;
1432	}
1433
1434	return 0;
1435}
1436
1437static int
1438snd_rme96_capture_trigger(struct snd_pcm_substream *substream, 
1439			  int cmd)
1440{
1441	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1442	struct snd_pcm_substream *s;
1443	bool sync;
1444
1445	snd_pcm_group_for_each_entry(s, substream) {
1446		if (snd_pcm_substream_chip(s) == rme96)
1447			snd_pcm_trigger_done(s, substream);
1448	}
1449
1450	sync = (rme96->playback_substream && rme96->capture_substream) &&
1451	       (rme96->playback_substream->group ==
1452		rme96->capture_substream->group);
1453
1454	switch (cmd) {
1455	case SNDRV_PCM_TRIGGER_START:
1456		if (!RME96_ISRECORDING(rme96)) {
1457			if (substream != rme96->capture_substream)
1458				return -EBUSY;
1459			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1460						 : RME96_START_CAPTURE);
1461		}
1462		break;
1463
1464	case SNDRV_PCM_TRIGGER_SUSPEND:
1465	case SNDRV_PCM_TRIGGER_STOP:
1466		if (RME96_ISRECORDING(rme96)) {
1467			if (substream != rme96->capture_substream)
1468				return -EBUSY;
1469			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1470						 : RME96_STOP_CAPTURE);
1471		}
1472		break;
1473
1474	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1475		if (RME96_ISRECORDING(rme96))
1476			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1477						 : RME96_STOP_CAPTURE);
1478		break;
1479
1480	case SNDRV_PCM_TRIGGER_RESUME:
1481	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1482		if (!RME96_ISRECORDING(rme96))
1483			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1484						 : RME96_RESUME_CAPTURE);
1485		break;
1486
1487	default:
1488		return -EINVAL;
1489	}
1490
1491	return 0;
1492}
1493
1494static snd_pcm_uframes_t
1495snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1496{
1497	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1498	return snd_rme96_playback_ptr(rme96);
1499}
1500
1501static snd_pcm_uframes_t
1502snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1503{
1504	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1505	return snd_rme96_capture_ptr(rme96);
1506}
1507
1508static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1509	.open =		snd_rme96_playback_spdif_open,
1510	.close =	snd_rme96_playback_close,
1511	.hw_params =	snd_rme96_playback_hw_params,
1512	.prepare =	snd_rme96_playback_prepare,
1513	.trigger =	snd_rme96_playback_trigger,
1514	.pointer =	snd_rme96_playback_pointer,
1515	.copy_user =	snd_rme96_playback_copy,
1516	.copy_kernel =	snd_rme96_playback_copy_kernel,
1517	.fill_silence =	snd_rme96_playback_silence,
1518	.mmap =		snd_pcm_lib_mmap_iomem,
1519};
1520
1521static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1522	.open =		snd_rme96_capture_spdif_open,
1523	.close =	snd_rme96_capture_close,
1524	.hw_params =	snd_rme96_capture_hw_params,
1525	.prepare =	snd_rme96_capture_prepare,
1526	.trigger =	snd_rme96_capture_trigger,
1527	.pointer =	snd_rme96_capture_pointer,
1528	.copy_user =	snd_rme96_capture_copy,
1529	.copy_kernel =	snd_rme96_capture_copy_kernel,
1530	.mmap =		snd_pcm_lib_mmap_iomem,
1531};
1532
1533static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1534	.open =		snd_rme96_playback_adat_open,
1535	.close =	snd_rme96_playback_close,
1536	.hw_params =	snd_rme96_playback_hw_params,
1537	.prepare =	snd_rme96_playback_prepare,
1538	.trigger =	snd_rme96_playback_trigger,
1539	.pointer =	snd_rme96_playback_pointer,
1540	.copy_user =	snd_rme96_playback_copy,
1541	.copy_kernel =	snd_rme96_playback_copy_kernel,
1542	.fill_silence =	snd_rme96_playback_silence,
1543	.mmap =		snd_pcm_lib_mmap_iomem,
1544};
1545
1546static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1547	.open =		snd_rme96_capture_adat_open,
1548	.close =	snd_rme96_capture_close,
1549	.hw_params =	snd_rme96_capture_hw_params,
1550	.prepare =	snd_rme96_capture_prepare,
1551	.trigger =	snd_rme96_capture_trigger,
1552	.pointer =	snd_rme96_capture_pointer,
1553	.copy_user =	snd_rme96_capture_copy,
1554	.copy_kernel =	snd_rme96_capture_copy_kernel,
1555	.mmap =		snd_pcm_lib_mmap_iomem,
1556};
1557
1558static void
1559snd_rme96_free(void *private_data)
1560{
1561	struct rme96 *rme96 = (struct rme96 *)private_data;
1562
1563	if (!rme96)
1564	        return;
1565
1566	if (rme96->irq >= 0) {
1567		snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1568		rme96->areg &= ~RME96_AR_DAC_EN;
1569		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1570		free_irq(rme96->irq, (void *)rme96);
1571		rme96->irq = -1;
1572	}
1573	if (rme96->iobase) {
1574		iounmap(rme96->iobase);
1575		rme96->iobase = NULL;
1576	}
1577	if (rme96->port) {
1578		pci_release_regions(rme96->pci);
1579		rme96->port = 0;
1580	}
1581#ifdef CONFIG_PM_SLEEP
1582	vfree(rme96->playback_suspend_buffer);
1583	vfree(rme96->capture_suspend_buffer);
1584#endif
1585	pci_disable_device(rme96->pci);
1586}
1587
1588static void
1589snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1590{
1591	struct rme96 *rme96 = pcm->private_data;
1592	rme96->spdif_pcm = NULL;
1593}
1594
1595static void
1596snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1597{
1598	struct rme96 *rme96 = pcm->private_data;
1599	rme96->adat_pcm = NULL;
1600}
1601
1602static int
1603snd_rme96_create(struct rme96 *rme96)
1604{
1605	struct pci_dev *pci = rme96->pci;
1606	int err;
1607
1608	rme96->irq = -1;
1609	spin_lock_init(&rme96->lock);
1610
1611	if ((err = pci_enable_device(pci)) < 0)
 
1612		return err;
1613
1614	if ((err = pci_request_regions(pci, "RME96")) < 0)
 
1615		return err;
1616	rme96->port = pci_resource_start(rme96->pci, 0);
1617
1618	rme96->iobase = ioremap(rme96->port, RME96_IO_SIZE);
1619	if (!rme96->iobase) {
1620		dev_err(rme96->card->dev,
1621			"unable to remap memory region 0x%lx-0x%lx\n",
1622			rme96->port, rme96->port + RME96_IO_SIZE - 1);
1623		return -ENOMEM;
1624	}
1625
1626	if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1627			KBUILD_MODNAME, rme96)) {
1628		dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1629		return -EBUSY;
1630	}
1631	rme96->irq = pci->irq;
1632	rme96->card->sync_irq = rme96->irq;
1633
1634	/* read the card's revision number */
1635	pci_read_config_byte(pci, 8, &rme96->rev);	
1636	
1637	/* set up ALSA pcm device for S/PDIF */
1638	if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1639			       1, 1, &rme96->spdif_pcm)) < 0)
1640	{
1641		return err;
1642	}
1643	rme96->spdif_pcm->private_data = rme96;
1644	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1645	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1646	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1647	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1648
1649	rme96->spdif_pcm->info_flags = 0;
1650
1651	/* set up ALSA pcm device for ADAT */
1652	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1653		/* ADAT is not available on the base model */
1654		rme96->adat_pcm = NULL;
1655	} else {
1656		if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1657				       1, 1, &rme96->adat_pcm)) < 0)
1658		{
1659			return err;
1660		}		
1661		rme96->adat_pcm->private_data = rme96;
1662		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1663		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1664		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1665		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1666		
1667		rme96->adat_pcm->info_flags = 0;
1668	}
1669
1670	rme96->playback_periodsize = 0;
1671	rme96->capture_periodsize = 0;
1672	
1673	/* make sure playback/capture is stopped, if by some reason active */
1674	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1675	
1676	/* set default values in registers */
1677	rme96->wcreg =
1678		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1679		RME96_WCR_SEL |    /* normal playback */
1680		RME96_WCR_MASTER | /* set to master clock mode */
1681		RME96_WCR_INP_0;   /* set coaxial input */
1682
1683	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1684
1685	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1686	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1687	
1688	/* reset the ADC */
1689	writel(rme96->areg | RME96_AR_PD2,
1690	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1691	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);	
1692
1693	/* reset and enable the DAC (order is important). */
1694	snd_rme96_reset_dac(rme96);
1695	rme96->areg |= RME96_AR_DAC_EN;
1696	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1697
1698	/* reset playback and record buffer pointers */
1699	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1700	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1701
1702	/* reset volume */
1703	rme96->vol[0] = rme96->vol[1] = 0;
1704	if (RME96_HAS_ANALOG_OUT(rme96)) {
1705		snd_rme96_apply_dac_volume(rme96);
1706	}
1707	
1708	/* init switch interface */
1709	if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
 
1710		return err;
1711	}
1712
1713        /* init proc interface */
1714	snd_rme96_proc_init(rme96);
1715	
1716	return 0;
1717}
1718
1719/*
1720 * proc interface
1721 */
1722
1723static void 
1724snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1725{
1726	int n;
1727	struct rme96 *rme96 = entry->private_data;
1728	
1729	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1730
1731	snd_iprintf(buffer, rme96->card->longname);
1732	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1733
1734	snd_iprintf(buffer, "\nGeneral settings\n");
1735	if (rme96->wcreg & RME96_WCR_IDIS) {
1736		snd_iprintf(buffer, "  period size: N/A (interrupts "
1737			    "disabled)\n");
1738	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1739		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1740	} else {
1741		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1742	}	
1743	snd_iprintf(buffer, "\nInput settings\n");
1744	switch (snd_rme96_getinputtype(rme96)) {
1745	case RME96_INPUT_OPTICAL:
1746		snd_iprintf(buffer, "  input: optical");
1747		break;
1748	case RME96_INPUT_COAXIAL:
1749		snd_iprintf(buffer, "  input: coaxial");
1750		break;
1751	case RME96_INPUT_INTERNAL:
1752		snd_iprintf(buffer, "  input: internal");
1753		break;
1754	case RME96_INPUT_XLR:
1755		snd_iprintf(buffer, "  input: XLR");
1756		break;
1757	case RME96_INPUT_ANALOG:
1758		snd_iprintf(buffer, "  input: analog");
1759		break;
1760	}
1761	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1762		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1763	} else {
1764		if (n) {
1765			snd_iprintf(buffer, " (8 channels)\n");
1766		} else {
1767			snd_iprintf(buffer, " (2 channels)\n");
1768		}
1769		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1770			    snd_rme96_capture_getrate(rme96, &n));
1771	}
1772	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1773		snd_iprintf(buffer, "  sample format: 24 bit\n");
1774	} else {
1775		snd_iprintf(buffer, "  sample format: 16 bit\n");
1776	}
1777	
1778	snd_iprintf(buffer, "\nOutput settings\n");
1779	if (rme96->wcreg & RME96_WCR_SEL) {
1780		snd_iprintf(buffer, "  output signal: normal playback\n");
1781	} else {
1782		snd_iprintf(buffer, "  output signal: same as input\n");
1783	}
1784	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1785		    snd_rme96_playback_getrate(rme96));
1786	if (rme96->wcreg & RME96_WCR_MODE24) {
1787		snd_iprintf(buffer, "  sample format: 24 bit\n");
1788	} else {
1789		snd_iprintf(buffer, "  sample format: 16 bit\n");
1790	}
1791	if (rme96->areg & RME96_AR_WSEL) {
1792		snd_iprintf(buffer, "  sample clock source: word clock\n");
1793	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1794		snd_iprintf(buffer, "  sample clock source: internal\n");
1795	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1796		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1797	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1798		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1799	} else {
1800		snd_iprintf(buffer, "  sample clock source: autosync\n");
1801	}
1802	if (rme96->wcreg & RME96_WCR_PRO) {
1803		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1804	} else {
1805		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1806	}
1807	if (rme96->wcreg & RME96_WCR_EMP) {
1808		snd_iprintf(buffer, "  emphasis: on\n");
1809	} else {
1810		snd_iprintf(buffer, "  emphasis: off\n");
1811	}
1812	if (rme96->wcreg & RME96_WCR_DOLBY) {
1813		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1814	} else {
1815		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1816	}
1817	if (RME96_HAS_ANALOG_IN(rme96)) {
1818		snd_iprintf(buffer, "\nAnalog output settings\n");
1819		switch (snd_rme96_getmontracks(rme96)) {
1820		case RME96_MONITOR_TRACKS_1_2:
1821			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1822			break;
1823		case RME96_MONITOR_TRACKS_3_4:
1824			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1825			break;
1826		case RME96_MONITOR_TRACKS_5_6:
1827			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1828			break;
1829		case RME96_MONITOR_TRACKS_7_8:
1830			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1831			break;
1832		}
1833		switch (snd_rme96_getattenuation(rme96)) {
1834		case RME96_ATTENUATION_0:
1835			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1836			break;
1837		case RME96_ATTENUATION_6:
1838			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1839			break;
1840		case RME96_ATTENUATION_12:
1841			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1842			break;
1843		case RME96_ATTENUATION_18:
1844			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1845			break;
1846		}
1847		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1848		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1849	}
1850}
1851
1852static void snd_rme96_proc_init(struct rme96 *rme96)
1853{
1854	snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1855}
1856
1857/*
1858 * control interface
1859 */
1860
1861#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1862
1863static int
1864snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1865{
1866	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1867	
1868	spin_lock_irq(&rme96->lock);
1869	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1870	spin_unlock_irq(&rme96->lock);
1871	return 0;
1872}
1873static int
1874snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1875{
1876	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1877	unsigned int val;
1878	int change;
1879	
1880	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1881	spin_lock_irq(&rme96->lock);
1882	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1883	change = val != rme96->wcreg;
1884	rme96->wcreg = val;
1885	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1886	spin_unlock_irq(&rme96->lock);
1887	return change;
1888}
1889
1890static int
1891snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1892{
1893	static const char * const _texts[5] = {
1894		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1895	};
1896	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1897	const char *texts[5] = {
1898		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1899	};
1900	int num_items;
1901	
1902	switch (rme96->pci->device) {
1903	case PCI_DEVICE_ID_RME_DIGI96:
1904	case PCI_DEVICE_ID_RME_DIGI96_8:
1905		num_items = 3;
1906		break;
1907	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1908		num_items = 4;
1909		break;
1910	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1911		if (rme96->rev > 4) {
1912			/* PST */
1913			num_items = 4;
1914			texts[3] = _texts[4]; /* Analog instead of XLR */
1915		} else {
1916			/* PAD */
1917			num_items = 5;
1918		}
1919		break;
1920	default:
1921		snd_BUG();
1922		return -EINVAL;
1923	}
1924	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1925}
1926static int
1927snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1928{
1929	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1930	unsigned int items = 3;
1931	
1932	spin_lock_irq(&rme96->lock);
1933	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1934	
1935	switch (rme96->pci->device) {
1936	case PCI_DEVICE_ID_RME_DIGI96:
1937	case PCI_DEVICE_ID_RME_DIGI96_8:
1938		items = 3;
1939		break;
1940	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1941		items = 4;
1942		break;
1943	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1944		if (rme96->rev > 4) {
1945			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1946			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1947				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1948			}
1949			items = 4;
1950		} else {
1951			items = 5;
1952		}
1953		break;
1954	default:
1955		snd_BUG();
1956		break;
1957	}
1958	if (ucontrol->value.enumerated.item[0] >= items) {
1959		ucontrol->value.enumerated.item[0] = items - 1;
1960	}
1961	
1962	spin_unlock_irq(&rme96->lock);
1963	return 0;
1964}
1965static int
1966snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1967{
1968	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1969	unsigned int val;
1970	int change, items = 3;
1971	
1972	switch (rme96->pci->device) {
1973	case PCI_DEVICE_ID_RME_DIGI96:
1974	case PCI_DEVICE_ID_RME_DIGI96_8:
1975		items = 3;
1976		break;
1977	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1978		items = 4;
1979		break;
1980	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1981		if (rme96->rev > 4) {
1982			items = 4;
1983		} else {
1984			items = 5;
1985		}
1986		break;
1987	default:
1988		snd_BUG();
1989		break;
1990	}
1991	val = ucontrol->value.enumerated.item[0] % items;
1992	
1993	/* special case for PST */
1994	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1995		if (val == RME96_INPUT_XLR) {
1996			val = RME96_INPUT_ANALOG;
1997		}
1998	}
1999	
2000	spin_lock_irq(&rme96->lock);
2001	change = (int)val != snd_rme96_getinputtype(rme96);
2002	snd_rme96_setinputtype(rme96, val);
2003	spin_unlock_irq(&rme96->lock);
2004	return change;
2005}
2006
2007static int
2008snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2009{
2010	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2011	
2012	return snd_ctl_enum_info(uinfo, 1, 3, texts);
2013}
2014static int
2015snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2016{
2017	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2018	
2019	spin_lock_irq(&rme96->lock);
2020	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2021	spin_unlock_irq(&rme96->lock);
2022	return 0;
2023}
2024static int
2025snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2026{
2027	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2028	unsigned int val;
2029	int change;
2030	
2031	val = ucontrol->value.enumerated.item[0] % 3;
2032	spin_lock_irq(&rme96->lock);
2033	change = (int)val != snd_rme96_getclockmode(rme96);
2034	snd_rme96_setclockmode(rme96, val);
2035	spin_unlock_irq(&rme96->lock);
2036	return change;
2037}
2038
2039static int
2040snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2041{
2042	static const char * const texts[4] = {
2043		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2044	};
2045	
2046	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2047}
2048static int
2049snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2050{
2051	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2052	
2053	spin_lock_irq(&rme96->lock);
2054	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2055	spin_unlock_irq(&rme96->lock);
2056	return 0;
2057}
2058static int
2059snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2060{
2061	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2062	unsigned int val;
2063	int change;
2064	
2065	val = ucontrol->value.enumerated.item[0] % 4;
2066	spin_lock_irq(&rme96->lock);
2067
2068	change = (int)val != snd_rme96_getattenuation(rme96);
2069	snd_rme96_setattenuation(rme96, val);
2070	spin_unlock_irq(&rme96->lock);
2071	return change;
2072}
2073
2074static int
2075snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2076{
2077	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2078	
2079	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2080}
2081static int
2082snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2083{
2084	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2085	
2086	spin_lock_irq(&rme96->lock);
2087	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2088	spin_unlock_irq(&rme96->lock);
2089	return 0;
2090}
2091static int
2092snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2093{
2094	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2095	unsigned int val;
2096	int change;
2097	
2098	val = ucontrol->value.enumerated.item[0] % 4;
2099	spin_lock_irq(&rme96->lock);
2100	change = (int)val != snd_rme96_getmontracks(rme96);
2101	snd_rme96_setmontracks(rme96, val);
2102	spin_unlock_irq(&rme96->lock);
2103	return change;
2104}
2105
2106static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2107{
2108	u32 val = 0;
2109	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2110	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2111	if (val & RME96_WCR_PRO)
2112		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2113	else
2114		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2115	return val;
2116}
2117
2118static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2119{
2120	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2121			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2122	if (val & RME96_WCR_PRO)
2123		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2124	else
2125		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2126}
2127
2128static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2129{
2130	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2131	uinfo->count = 1;
2132	return 0;
2133}
2134
2135static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2136{
2137	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2138	
2139	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2140	return 0;
2141}
2142
2143static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2144{
2145	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2146	int change;
2147	u32 val;
2148	
2149	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2150	spin_lock_irq(&rme96->lock);
2151	change = val != rme96->wcreg_spdif;
2152	rme96->wcreg_spdif = val;
2153	spin_unlock_irq(&rme96->lock);
2154	return change;
2155}
2156
2157static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2158{
2159	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2160	uinfo->count = 1;
2161	return 0;
2162}
2163
2164static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2165{
2166	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2167	
2168	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2169	return 0;
2170}
2171
2172static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2173{
2174	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2175	int change;
2176	u32 val;
2177	
2178	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2179	spin_lock_irq(&rme96->lock);
2180	change = val != rme96->wcreg_spdif_stream;
2181	rme96->wcreg_spdif_stream = val;
2182	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2183	rme96->wcreg |= val;
2184	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2185	spin_unlock_irq(&rme96->lock);
2186	return change;
2187}
2188
2189static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2190{
2191	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2192	uinfo->count = 1;
2193	return 0;
2194}
2195
2196static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2197{
2198	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2199	return 0;
2200}
2201
2202static int
2203snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2204{
2205	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2206	
2207        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2208        uinfo->count = 2;
2209        uinfo->value.integer.min = 0;
2210	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2211        return 0;
2212}
2213
2214static int
2215snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2216{
2217	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2218
2219	spin_lock_irq(&rme96->lock);
2220        u->value.integer.value[0] = rme96->vol[0];
2221        u->value.integer.value[1] = rme96->vol[1];
2222	spin_unlock_irq(&rme96->lock);
2223
2224        return 0;
2225}
2226
2227static int
2228snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2229{
2230	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2231        int change = 0;
2232	unsigned int vol, maxvol;
2233
2234
2235	if (!RME96_HAS_ANALOG_OUT(rme96))
2236		return -EINVAL;
2237	maxvol = RME96_185X_MAX_OUT(rme96);
2238	spin_lock_irq(&rme96->lock);
2239	vol = u->value.integer.value[0];
2240	if (vol != rme96->vol[0] && vol <= maxvol) {
2241		rme96->vol[0] = vol;
2242		change = 1;
2243	}
2244	vol = u->value.integer.value[1];
2245	if (vol != rme96->vol[1] && vol <= maxvol) {
2246		rme96->vol[1] = vol;
2247		change = 1;
2248	}
2249	if (change)
2250		snd_rme96_apply_dac_volume(rme96);
2251	spin_unlock_irq(&rme96->lock);
2252
2253        return change;
2254}
2255
2256static const struct snd_kcontrol_new snd_rme96_controls[] = {
2257{
2258	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2259	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2260	.info =		snd_rme96_control_spdif_info,
2261	.get =		snd_rme96_control_spdif_get,
2262	.put =		snd_rme96_control_spdif_put
2263},
2264{
2265	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2266	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2267	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2268	.info =		snd_rme96_control_spdif_stream_info,
2269	.get =		snd_rme96_control_spdif_stream_get,
2270	.put =		snd_rme96_control_spdif_stream_put
2271},
2272{
2273	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2274	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2275	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2276	.info =		snd_rme96_control_spdif_mask_info,
2277	.get =		snd_rme96_control_spdif_mask_get,
2278	.private_value = IEC958_AES0_NONAUDIO |
2279			IEC958_AES0_PROFESSIONAL |
2280			IEC958_AES0_CON_EMPHASIS
2281},
2282{
2283	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2284	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2285	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2286	.info =		snd_rme96_control_spdif_mask_info,
2287	.get =		snd_rme96_control_spdif_mask_get,
2288	.private_value = IEC958_AES0_NONAUDIO |
2289			IEC958_AES0_PROFESSIONAL |
2290			IEC958_AES0_PRO_EMPHASIS
2291},
2292{
2293        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2294	.name =         "Input Connector",
2295	.info =         snd_rme96_info_inputtype_control, 
2296	.get =          snd_rme96_get_inputtype_control,
2297	.put =          snd_rme96_put_inputtype_control 
2298},
2299{
2300        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2301	.name =         "Loopback Input",
2302	.info =         snd_rme96_info_loopback_control,
2303	.get =          snd_rme96_get_loopback_control,
2304	.put =          snd_rme96_put_loopback_control
2305},
2306{
2307        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2308	.name =         "Sample Clock Source",
2309	.info =         snd_rme96_info_clockmode_control, 
2310	.get =          snd_rme96_get_clockmode_control,
2311	.put =          snd_rme96_put_clockmode_control
2312},
2313{
2314        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2315	.name =         "Monitor Tracks",
2316	.info =         snd_rme96_info_montracks_control, 
2317	.get =          snd_rme96_get_montracks_control,
2318	.put =          snd_rme96_put_montracks_control
2319},
2320{
2321        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2322	.name =         "Attenuation",
2323	.info =         snd_rme96_info_attenuation_control, 
2324	.get =          snd_rme96_get_attenuation_control,
2325	.put =          snd_rme96_put_attenuation_control
2326},
2327{
2328        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2329	.name =         "DAC Playback Volume",
2330	.info =         snd_rme96_dac_volume_info,
2331	.get =          snd_rme96_dac_volume_get,
2332	.put =          snd_rme96_dac_volume_put
2333}
2334};
2335
2336static int
2337snd_rme96_create_switches(struct snd_card *card,
2338			  struct rme96 *rme96)
2339{
2340	int idx, err;
2341	struct snd_kcontrol *kctl;
2342
2343	for (idx = 0; idx < 7; idx++) {
2344		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
 
 
2345			return err;
2346		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2347			rme96->spdif_ctl = kctl;
2348	}
2349
2350	if (RME96_HAS_ANALOG_OUT(rme96)) {
2351		for (idx = 7; idx < 10; idx++)
2352			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
 
2353				return err;
 
2354	}
2355	
2356	return 0;
2357}
2358
2359/*
2360 * Card initialisation
2361 */
2362
2363#ifdef CONFIG_PM_SLEEP
2364
2365static int rme96_suspend(struct device *dev)
2366{
2367	struct snd_card *card = dev_get_drvdata(dev);
2368	struct rme96 *rme96 = card->private_data;
2369
2370	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2371
2372	/* save capture & playback pointers */
2373	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2374				  & RME96_RCR_AUDIO_ADDR_MASK;
2375	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2376				 & RME96_RCR_AUDIO_ADDR_MASK;
2377
2378	/* save playback and capture buffers */
2379	memcpy_fromio(rme96->playback_suspend_buffer,
2380		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2381	memcpy_fromio(rme96->capture_suspend_buffer,
2382		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2383
2384	/* disable the DAC  */
2385	rme96->areg &= ~RME96_AR_DAC_EN;
2386	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2387	return 0;
2388}
2389
2390static int rme96_resume(struct device *dev)
2391{
2392	struct snd_card *card = dev_get_drvdata(dev);
2393	struct rme96 *rme96 = card->private_data;
2394
2395	/* reset playback and record buffer pointers */
2396	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2397		  + rme96->playback_pointer);
2398	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2399		  + rme96->capture_pointer);
2400
2401	/* restore playback and capture buffers */
2402	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2403		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2404	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2405		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2406
2407	/* reset the ADC */
2408	writel(rme96->areg | RME96_AR_PD2,
2409	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2410	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2411
2412	/* reset and enable DAC, restore analog volume */
2413	snd_rme96_reset_dac(rme96);
2414	rme96->areg |= RME96_AR_DAC_EN;
2415	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2416	if (RME96_HAS_ANALOG_OUT(rme96)) {
2417		usleep_range(3000, 10000);
2418		snd_rme96_apply_dac_volume(rme96);
2419	}
2420
2421	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2422
2423	return 0;
2424}
2425
2426static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2427#define RME96_PM_OPS	&rme96_pm
2428#else
2429#define RME96_PM_OPS	NULL
2430#endif /* CONFIG_PM_SLEEP */
2431
2432static void snd_rme96_card_free(struct snd_card *card)
2433{
2434	snd_rme96_free(card->private_data);
2435}
2436
2437static int
2438snd_rme96_probe(struct pci_dev *pci,
2439		const struct pci_device_id *pci_id)
2440{
2441	static int dev;
2442	struct rme96 *rme96;
2443	struct snd_card *card;
2444	int err;
2445	u8 val;
2446
2447	if (dev >= SNDRV_CARDS) {
2448		return -ENODEV;
2449	}
2450	if (!enable[dev]) {
2451		dev++;
2452		return -ENOENT;
2453	}
2454	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2455			   sizeof(struct rme96), &card);
2456	if (err < 0)
2457		return err;
2458	card->private_free = snd_rme96_card_free;
2459	rme96 = card->private_data;
2460	rme96->card = card;
2461	rme96->pci = pci;
2462	err = snd_rme96_create(rme96);
2463	if (err)
2464		goto free_card;
2465	
2466#ifdef CONFIG_PM_SLEEP
2467	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2468	if (!rme96->playback_suspend_buffer) {
2469		err = -ENOMEM;
2470		goto free_card;
2471	}
2472	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2473	if (!rme96->capture_suspend_buffer) {
2474		err = -ENOMEM;
2475		goto free_card;
2476	}
2477#endif
2478
2479	strcpy(card->driver, "Digi96");
2480	switch (rme96->pci->device) {
2481	case PCI_DEVICE_ID_RME_DIGI96:
2482		strcpy(card->shortname, "RME Digi96");
2483		break;
2484	case PCI_DEVICE_ID_RME_DIGI96_8:
2485		strcpy(card->shortname, "RME Digi96/8");
2486		break;
2487	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2488		strcpy(card->shortname, "RME Digi96/8 PRO");
2489		break;
2490	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2491		pci_read_config_byte(rme96->pci, 8, &val);
2492		if (val < 5) {
2493			strcpy(card->shortname, "RME Digi96/8 PAD");
2494		} else {
2495			strcpy(card->shortname, "RME Digi96/8 PST");
2496		}
2497		break;
2498	}
2499	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2500		rme96->port, rme96->irq);
2501	err = snd_card_register(card);
2502	if (err)
2503		goto free_card;
2504
2505	pci_set_drvdata(pci, card);
2506	dev++;
2507	return 0;
2508free_card:
2509	snd_card_free(card);
2510	return err;
2511}
2512
2513static void snd_rme96_remove(struct pci_dev *pci)
 
2514{
2515	snd_card_free(pci_get_drvdata(pci));
2516}
2517
2518static struct pci_driver rme96_driver = {
2519	.name = KBUILD_MODNAME,
2520	.id_table = snd_rme96_ids,
2521	.probe = snd_rme96_probe,
2522	.remove = snd_rme96_remove,
2523	.driver = {
2524		.pm = RME96_PM_OPS,
2525	},
2526};
2527
2528module_pci_driver(rme96_driver);
v6.2
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
   4 *   interfaces 
   5 *
   6 *	Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
   7 *    
   8 *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
   9 *      code.
  10 */      
  11
  12#include <linux/delay.h>
  13#include <linux/init.h>
  14#include <linux/interrupt.h>
  15#include <linux/pci.h>
  16#include <linux/module.h>
  17#include <linux/vmalloc.h>
  18#include <linux/io.h>
  19
  20#include <sound/core.h>
  21#include <sound/info.h>
  22#include <sound/control.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/asoundef.h>
  26#include <sound/initval.h>
  27
  28/* note, two last pcis should be equal, it is not a bug */
  29
  30MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
  31MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
  32		   "Digi96/8 PAD");
  33MODULE_LICENSE("GPL");
 
 
 
 
 
  34
  35static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
  36static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
  37static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
  38
  39module_param_array(index, int, NULL, 0444);
  40MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
  41module_param_array(id, charp, NULL, 0444);
  42MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
  43module_param_array(enable, bool, NULL, 0444);
  44MODULE_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
 208struct 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
 246static 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
 254MODULE_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
 266static int
 267snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
 268
 269static int
 270snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
 271
 272static int
 273snd_rme96_playback_trigger(struct snd_pcm_substream *substream, 
 274			   int cmd);
 275
 276static int
 277snd_rme96_capture_trigger(struct snd_pcm_substream *substream, 
 278			  int cmd);
 279
 280static snd_pcm_uframes_t
 281snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
 282
 283static snd_pcm_uframes_t
 284snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
 285
 286static void snd_rme96_proc_init(struct rme96 *rme96);
 287
 288static int
 289snd_rme96_create_switches(struct snd_card *card,
 290			  struct rme96 *rme96);
 291
 292static int
 293snd_rme96_getinputtype(struct rme96 *rme96);
 294
 295static inline unsigned int
 296snd_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
 302static inline unsigned int
 303snd_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
 309static int
 310snd_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
 320static int
 321snd_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
 331static int
 332snd_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
 342static int
 343snd_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
 354static int
 355snd_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 */
 368static 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 */
 399static 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 */
 430static 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 */
 457static 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 */
 493static void
 494snd_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
 520static void
 521snd_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
 532static void
 533snd_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
 540static int
 541snd_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
 547static int
 548snd_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
 565static int
 566snd_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
 572static int
 573snd_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
 600static int
 601snd_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
 663static int
 664snd_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
 695static int
 696snd_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
 748static int
 749snd_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
 790static int
 791snd_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
 818static int
 819snd_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
 828static int
 829snd_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
 889static int
 890snd_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
 899static void
 900snd_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
 921static int
 922snd_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
 938static int
 939snd_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
 955static void
 956snd_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
 974static int
 975snd_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
1038static int
1039snd_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
1094static void
1095snd_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
1125static irqreturn_t
1126snd_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
1152static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154static 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
1160static void
1161rme96_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
1181static int
1182snd_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
1219static int
1220snd_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
1251static int
1252snd_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
1285static int
1286snd_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
1321static int
1322snd_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
1343static int
1344snd_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
1358static int
1359snd_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
1372static int
1373snd_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
1386static int
1387snd_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
1443static int
1444snd_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
1500static snd_pcm_uframes_t
1501snd_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
1507static snd_pcm_uframes_t
1508snd_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
1514static 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
1527static 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
1539static 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
1552static 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
1564static void
1565snd_rme96_free(struct rme96 *rme96)
1566{
 
 
 
 
 
1567	if (rme96->irq >= 0) {
1568		snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1569		rme96->areg &= ~RME96_AR_DAC_EN;
1570		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 
 
 
 
 
 
 
 
 
 
1571	}
1572#ifdef CONFIG_PM_SLEEP
1573	vfree(rme96->playback_suspend_buffer);
1574	vfree(rme96->capture_suspend_buffer);
1575#endif
 
1576}
1577
1578static void
1579snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1580{
1581	struct rme96 *rme96 = pcm->private_data;
1582	rme96->spdif_pcm = NULL;
1583}
1584
1585static void
1586snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1587{
1588	struct rme96 *rme96 = pcm->private_data;
1589	rme96->adat_pcm = NULL;
1590}
1591
1592static int
1593snd_rme96_create(struct rme96 *rme96)
1594{
1595	struct pci_dev *pci = rme96->pci;
1596	int err;
1597
1598	rme96->irq = -1;
1599	spin_lock_init(&rme96->lock);
1600
1601	err = pcim_enable_device(pci);
1602	if (err < 0)
1603		return err;
1604
1605	err = pci_request_regions(pci, "RME96");
1606	if (err < 0)
1607		return err;
1608	rme96->port = pci_resource_start(rme96->pci, 0);
1609
1610	rme96->iobase = devm_ioremap(&pci->dev, rme96->port, RME96_IO_SIZE);
1611	if (!rme96->iobase) {
1612		dev_err(rme96->card->dev,
1613			"unable to remap memory region 0x%lx-0x%lx\n",
1614			rme96->port, rme96->port + RME96_IO_SIZE - 1);
1615		return -EBUSY;
1616	}
1617
1618	if (devm_request_irq(&pci->dev, pci->irq, snd_rme96_interrupt,
1619			     IRQF_SHARED, KBUILD_MODNAME, rme96)) {
1620		dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1621		return -EBUSY;
1622	}
1623	rme96->irq = pci->irq;
1624	rme96->card->sync_irq = rme96->irq;
1625
1626	/* read the card's revision number */
1627	pci_read_config_byte(pci, 8, &rme96->rev);	
1628	
1629	/* set up ALSA pcm device for S/PDIF */
1630	err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1631			  1, 1, &rme96->spdif_pcm);
1632	if (err < 0)
1633		return err;
1634
1635	rme96->spdif_pcm->private_data = rme96;
1636	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1637	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1638	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1639	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1640
1641	rme96->spdif_pcm->info_flags = 0;
1642
1643	/* set up ALSA pcm device for ADAT */
1644	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1645		/* ADAT is not available on the base model */
1646		rme96->adat_pcm = NULL;
1647	} else {
1648		err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1649				  1, 1, &rme96->adat_pcm);
1650		if (err < 0)
1651			return err;
 
1652		rme96->adat_pcm->private_data = rme96;
1653		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1654		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1655		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1656		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1657		
1658		rme96->adat_pcm->info_flags = 0;
1659	}
1660
1661	rme96->playback_periodsize = 0;
1662	rme96->capture_periodsize = 0;
1663	
1664	/* make sure playback/capture is stopped, if by some reason active */
1665	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1666	
1667	/* set default values in registers */
1668	rme96->wcreg =
1669		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1670		RME96_WCR_SEL |    /* normal playback */
1671		RME96_WCR_MASTER | /* set to master clock mode */
1672		RME96_WCR_INP_0;   /* set coaxial input */
1673
1674	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1675
1676	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1677	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1678	
1679	/* reset the ADC */
1680	writel(rme96->areg | RME96_AR_PD2,
1681	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1682	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);	
1683
1684	/* reset and enable the DAC (order is important). */
1685	snd_rme96_reset_dac(rme96);
1686	rme96->areg |= RME96_AR_DAC_EN;
1687	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1688
1689	/* reset playback and record buffer pointers */
1690	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1691	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1692
1693	/* reset volume */
1694	rme96->vol[0] = rme96->vol[1] = 0;
1695	if (RME96_HAS_ANALOG_OUT(rme96)) {
1696		snd_rme96_apply_dac_volume(rme96);
1697	}
1698	
1699	/* init switch interface */
1700	err = snd_rme96_create_switches(rme96->card, rme96);
1701	if (err < 0)
1702		return err;
 
1703
1704        /* init proc interface */
1705	snd_rme96_proc_init(rme96);
1706	
1707	return 0;
1708}
1709
1710/*
1711 * proc interface
1712 */
1713
1714static void 
1715snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1716{
1717	int n;
1718	struct rme96 *rme96 = entry->private_data;
1719	
1720	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1721
1722	snd_iprintf(buffer, rme96->card->longname);
1723	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1724
1725	snd_iprintf(buffer, "\nGeneral settings\n");
1726	if (rme96->wcreg & RME96_WCR_IDIS) {
1727		snd_iprintf(buffer, "  period size: N/A (interrupts "
1728			    "disabled)\n");
1729	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1730		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1731	} else {
1732		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1733	}	
1734	snd_iprintf(buffer, "\nInput settings\n");
1735	switch (snd_rme96_getinputtype(rme96)) {
1736	case RME96_INPUT_OPTICAL:
1737		snd_iprintf(buffer, "  input: optical");
1738		break;
1739	case RME96_INPUT_COAXIAL:
1740		snd_iprintf(buffer, "  input: coaxial");
1741		break;
1742	case RME96_INPUT_INTERNAL:
1743		snd_iprintf(buffer, "  input: internal");
1744		break;
1745	case RME96_INPUT_XLR:
1746		snd_iprintf(buffer, "  input: XLR");
1747		break;
1748	case RME96_INPUT_ANALOG:
1749		snd_iprintf(buffer, "  input: analog");
1750		break;
1751	}
1752	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1753		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1754	} else {
1755		if (n) {
1756			snd_iprintf(buffer, " (8 channels)\n");
1757		} else {
1758			snd_iprintf(buffer, " (2 channels)\n");
1759		}
1760		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1761			    snd_rme96_capture_getrate(rme96, &n));
1762	}
1763	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1764		snd_iprintf(buffer, "  sample format: 24 bit\n");
1765	} else {
1766		snd_iprintf(buffer, "  sample format: 16 bit\n");
1767	}
1768	
1769	snd_iprintf(buffer, "\nOutput settings\n");
1770	if (rme96->wcreg & RME96_WCR_SEL) {
1771		snd_iprintf(buffer, "  output signal: normal playback\n");
1772	} else {
1773		snd_iprintf(buffer, "  output signal: same as input\n");
1774	}
1775	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1776		    snd_rme96_playback_getrate(rme96));
1777	if (rme96->wcreg & RME96_WCR_MODE24) {
1778		snd_iprintf(buffer, "  sample format: 24 bit\n");
1779	} else {
1780		snd_iprintf(buffer, "  sample format: 16 bit\n");
1781	}
1782	if (rme96->areg & RME96_AR_WSEL) {
1783		snd_iprintf(buffer, "  sample clock source: word clock\n");
1784	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1785		snd_iprintf(buffer, "  sample clock source: internal\n");
1786	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1787		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1788	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1789		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1790	} else {
1791		snd_iprintf(buffer, "  sample clock source: autosync\n");
1792	}
1793	if (rme96->wcreg & RME96_WCR_PRO) {
1794		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1795	} else {
1796		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1797	}
1798	if (rme96->wcreg & RME96_WCR_EMP) {
1799		snd_iprintf(buffer, "  emphasis: on\n");
1800	} else {
1801		snd_iprintf(buffer, "  emphasis: off\n");
1802	}
1803	if (rme96->wcreg & RME96_WCR_DOLBY) {
1804		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1805	} else {
1806		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1807	}
1808	if (RME96_HAS_ANALOG_IN(rme96)) {
1809		snd_iprintf(buffer, "\nAnalog output settings\n");
1810		switch (snd_rme96_getmontracks(rme96)) {
1811		case RME96_MONITOR_TRACKS_1_2:
1812			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1813			break;
1814		case RME96_MONITOR_TRACKS_3_4:
1815			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1816			break;
1817		case RME96_MONITOR_TRACKS_5_6:
1818			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1819			break;
1820		case RME96_MONITOR_TRACKS_7_8:
1821			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1822			break;
1823		}
1824		switch (snd_rme96_getattenuation(rme96)) {
1825		case RME96_ATTENUATION_0:
1826			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1827			break;
1828		case RME96_ATTENUATION_6:
1829			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1830			break;
1831		case RME96_ATTENUATION_12:
1832			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1833			break;
1834		case RME96_ATTENUATION_18:
1835			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1836			break;
1837		}
1838		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1839		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1840	}
1841}
1842
1843static void snd_rme96_proc_init(struct rme96 *rme96)
1844{
1845	snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1846}
1847
1848/*
1849 * control interface
1850 */
1851
1852#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1853
1854static int
1855snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1856{
1857	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1858	
1859	spin_lock_irq(&rme96->lock);
1860	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1861	spin_unlock_irq(&rme96->lock);
1862	return 0;
1863}
1864static int
1865snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1866{
1867	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1868	unsigned int val;
1869	int change;
1870	
1871	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1872	spin_lock_irq(&rme96->lock);
1873	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1874	change = val != rme96->wcreg;
1875	rme96->wcreg = val;
1876	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1877	spin_unlock_irq(&rme96->lock);
1878	return change;
1879}
1880
1881static int
1882snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1883{
1884	static const char * const _texts[5] = {
1885		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1886	};
1887	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1888	const char *texts[5] = {
1889		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1890	};
1891	int num_items;
1892	
1893	switch (rme96->pci->device) {
1894	case PCI_DEVICE_ID_RME_DIGI96:
1895	case PCI_DEVICE_ID_RME_DIGI96_8:
1896		num_items = 3;
1897		break;
1898	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1899		num_items = 4;
1900		break;
1901	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1902		if (rme96->rev > 4) {
1903			/* PST */
1904			num_items = 4;
1905			texts[3] = _texts[4]; /* Analog instead of XLR */
1906		} else {
1907			/* PAD */
1908			num_items = 5;
1909		}
1910		break;
1911	default:
1912		snd_BUG();
1913		return -EINVAL;
1914	}
1915	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1916}
1917static int
1918snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1919{
1920	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1921	unsigned int items = 3;
1922	
1923	spin_lock_irq(&rme96->lock);
1924	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1925	
1926	switch (rme96->pci->device) {
1927	case PCI_DEVICE_ID_RME_DIGI96:
1928	case PCI_DEVICE_ID_RME_DIGI96_8:
1929		items = 3;
1930		break;
1931	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1932		items = 4;
1933		break;
1934	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1935		if (rme96->rev > 4) {
1936			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1937			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1938				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1939			}
1940			items = 4;
1941		} else {
1942			items = 5;
1943		}
1944		break;
1945	default:
1946		snd_BUG();
1947		break;
1948	}
1949	if (ucontrol->value.enumerated.item[0] >= items) {
1950		ucontrol->value.enumerated.item[0] = items - 1;
1951	}
1952	
1953	spin_unlock_irq(&rme96->lock);
1954	return 0;
1955}
1956static int
1957snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1958{
1959	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1960	unsigned int val;
1961	int change, items = 3;
1962	
1963	switch (rme96->pci->device) {
1964	case PCI_DEVICE_ID_RME_DIGI96:
1965	case PCI_DEVICE_ID_RME_DIGI96_8:
1966		items = 3;
1967		break;
1968	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1969		items = 4;
1970		break;
1971	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1972		if (rme96->rev > 4) {
1973			items = 4;
1974		} else {
1975			items = 5;
1976		}
1977		break;
1978	default:
1979		snd_BUG();
1980		break;
1981	}
1982	val = ucontrol->value.enumerated.item[0] % items;
1983	
1984	/* special case for PST */
1985	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1986		if (val == RME96_INPUT_XLR) {
1987			val = RME96_INPUT_ANALOG;
1988		}
1989	}
1990	
1991	spin_lock_irq(&rme96->lock);
1992	change = (int)val != snd_rme96_getinputtype(rme96);
1993	snd_rme96_setinputtype(rme96, val);
1994	spin_unlock_irq(&rme96->lock);
1995	return change;
1996}
1997
1998static int
1999snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2000{
2001	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2002	
2003	return snd_ctl_enum_info(uinfo, 1, 3, texts);
2004}
2005static int
2006snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2007{
2008	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2009	
2010	spin_lock_irq(&rme96->lock);
2011	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2012	spin_unlock_irq(&rme96->lock);
2013	return 0;
2014}
2015static int
2016snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2017{
2018	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2019	unsigned int val;
2020	int change;
2021	
2022	val = ucontrol->value.enumerated.item[0] % 3;
2023	spin_lock_irq(&rme96->lock);
2024	change = (int)val != snd_rme96_getclockmode(rme96);
2025	snd_rme96_setclockmode(rme96, val);
2026	spin_unlock_irq(&rme96->lock);
2027	return change;
2028}
2029
2030static int
2031snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2032{
2033	static const char * const texts[4] = {
2034		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2035	};
2036	
2037	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2038}
2039static int
2040snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2041{
2042	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2043	
2044	spin_lock_irq(&rme96->lock);
2045	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2046	spin_unlock_irq(&rme96->lock);
2047	return 0;
2048}
2049static int
2050snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2051{
2052	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2053	unsigned int val;
2054	int change;
2055	
2056	val = ucontrol->value.enumerated.item[0] % 4;
2057	spin_lock_irq(&rme96->lock);
2058
2059	change = (int)val != snd_rme96_getattenuation(rme96);
2060	snd_rme96_setattenuation(rme96, val);
2061	spin_unlock_irq(&rme96->lock);
2062	return change;
2063}
2064
2065static int
2066snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2067{
2068	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2069	
2070	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2071}
2072static int
2073snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2074{
2075	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2076	
2077	spin_lock_irq(&rme96->lock);
2078	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2079	spin_unlock_irq(&rme96->lock);
2080	return 0;
2081}
2082static int
2083snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2084{
2085	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2086	unsigned int val;
2087	int change;
2088	
2089	val = ucontrol->value.enumerated.item[0] % 4;
2090	spin_lock_irq(&rme96->lock);
2091	change = (int)val != snd_rme96_getmontracks(rme96);
2092	snd_rme96_setmontracks(rme96, val);
2093	spin_unlock_irq(&rme96->lock);
2094	return change;
2095}
2096
2097static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2098{
2099	u32 val = 0;
2100	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2101	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2102	if (val & RME96_WCR_PRO)
2103		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2104	else
2105		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2106	return val;
2107}
2108
2109static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2110{
2111	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2112			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2113	if (val & RME96_WCR_PRO)
2114		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2115	else
2116		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2117}
2118
2119static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2120{
2121	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2122	uinfo->count = 1;
2123	return 0;
2124}
2125
2126static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2127{
2128	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2129	
2130	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2131	return 0;
2132}
2133
2134static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2135{
2136	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2137	int change;
2138	u32 val;
2139	
2140	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2141	spin_lock_irq(&rme96->lock);
2142	change = val != rme96->wcreg_spdif;
2143	rme96->wcreg_spdif = val;
2144	spin_unlock_irq(&rme96->lock);
2145	return change;
2146}
2147
2148static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2149{
2150	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2151	uinfo->count = 1;
2152	return 0;
2153}
2154
2155static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2156{
2157	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2158	
2159	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2160	return 0;
2161}
2162
2163static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2164{
2165	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2166	int change;
2167	u32 val;
2168	
2169	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2170	spin_lock_irq(&rme96->lock);
2171	change = val != rme96->wcreg_spdif_stream;
2172	rme96->wcreg_spdif_stream = val;
2173	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2174	rme96->wcreg |= val;
2175	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2176	spin_unlock_irq(&rme96->lock);
2177	return change;
2178}
2179
2180static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2181{
2182	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2183	uinfo->count = 1;
2184	return 0;
2185}
2186
2187static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2188{
2189	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2190	return 0;
2191}
2192
2193static int
2194snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2195{
2196	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2197	
2198        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2199        uinfo->count = 2;
2200        uinfo->value.integer.min = 0;
2201	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2202        return 0;
2203}
2204
2205static int
2206snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2207{
2208	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2209
2210	spin_lock_irq(&rme96->lock);
2211        u->value.integer.value[0] = rme96->vol[0];
2212        u->value.integer.value[1] = rme96->vol[1];
2213	spin_unlock_irq(&rme96->lock);
2214
2215        return 0;
2216}
2217
2218static int
2219snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2220{
2221	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2222        int change = 0;
2223	unsigned int vol, maxvol;
2224
2225
2226	if (!RME96_HAS_ANALOG_OUT(rme96))
2227		return -EINVAL;
2228	maxvol = RME96_185X_MAX_OUT(rme96);
2229	spin_lock_irq(&rme96->lock);
2230	vol = u->value.integer.value[0];
2231	if (vol != rme96->vol[0] && vol <= maxvol) {
2232		rme96->vol[0] = vol;
2233		change = 1;
2234	}
2235	vol = u->value.integer.value[1];
2236	if (vol != rme96->vol[1] && vol <= maxvol) {
2237		rme96->vol[1] = vol;
2238		change = 1;
2239	}
2240	if (change)
2241		snd_rme96_apply_dac_volume(rme96);
2242	spin_unlock_irq(&rme96->lock);
2243
2244        return change;
2245}
2246
2247static const struct snd_kcontrol_new snd_rme96_controls[] = {
2248{
2249	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2250	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2251	.info =		snd_rme96_control_spdif_info,
2252	.get =		snd_rme96_control_spdif_get,
2253	.put =		snd_rme96_control_spdif_put
2254},
2255{
2256	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2257	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2258	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2259	.info =		snd_rme96_control_spdif_stream_info,
2260	.get =		snd_rme96_control_spdif_stream_get,
2261	.put =		snd_rme96_control_spdif_stream_put
2262},
2263{
2264	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2265	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2266	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2267	.info =		snd_rme96_control_spdif_mask_info,
2268	.get =		snd_rme96_control_spdif_mask_get,
2269	.private_value = IEC958_AES0_NONAUDIO |
2270			IEC958_AES0_PROFESSIONAL |
2271			IEC958_AES0_CON_EMPHASIS
2272},
2273{
2274	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2275	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2276	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2277	.info =		snd_rme96_control_spdif_mask_info,
2278	.get =		snd_rme96_control_spdif_mask_get,
2279	.private_value = IEC958_AES0_NONAUDIO |
2280			IEC958_AES0_PROFESSIONAL |
2281			IEC958_AES0_PRO_EMPHASIS
2282},
2283{
2284        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2285	.name =         "Input Connector",
2286	.info =         snd_rme96_info_inputtype_control, 
2287	.get =          snd_rme96_get_inputtype_control,
2288	.put =          snd_rme96_put_inputtype_control 
2289},
2290{
2291        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2292	.name =         "Loopback Input",
2293	.info =         snd_rme96_info_loopback_control,
2294	.get =          snd_rme96_get_loopback_control,
2295	.put =          snd_rme96_put_loopback_control
2296},
2297{
2298        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2299	.name =         "Sample Clock Source",
2300	.info =         snd_rme96_info_clockmode_control, 
2301	.get =          snd_rme96_get_clockmode_control,
2302	.put =          snd_rme96_put_clockmode_control
2303},
2304{
2305        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2306	.name =         "Monitor Tracks",
2307	.info =         snd_rme96_info_montracks_control, 
2308	.get =          snd_rme96_get_montracks_control,
2309	.put =          snd_rme96_put_montracks_control
2310},
2311{
2312        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2313	.name =         "Attenuation",
2314	.info =         snd_rme96_info_attenuation_control, 
2315	.get =          snd_rme96_get_attenuation_control,
2316	.put =          snd_rme96_put_attenuation_control
2317},
2318{
2319        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2320	.name =         "DAC Playback Volume",
2321	.info =         snd_rme96_dac_volume_info,
2322	.get =          snd_rme96_dac_volume_get,
2323	.put =          snd_rme96_dac_volume_put
2324}
2325};
2326
2327static int
2328snd_rme96_create_switches(struct snd_card *card,
2329			  struct rme96 *rme96)
2330{
2331	int idx, err;
2332	struct snd_kcontrol *kctl;
2333
2334	for (idx = 0; idx < 7; idx++) {
2335		kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96);
2336		err = snd_ctl_add(card, kctl);
2337		if (err < 0)
2338			return err;
2339		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2340			rme96->spdif_ctl = kctl;
2341	}
2342
2343	if (RME96_HAS_ANALOG_OUT(rme96)) {
2344		for (idx = 7; idx < 10; idx++) {
2345			err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96));
2346			if (err < 0)
2347				return err;
2348		}
2349	}
2350	
2351	return 0;
2352}
2353
2354/*
2355 * Card initialisation
2356 */
2357
2358#ifdef CONFIG_PM_SLEEP
2359
2360static int rme96_suspend(struct device *dev)
2361{
2362	struct snd_card *card = dev_get_drvdata(dev);
2363	struct rme96 *rme96 = card->private_data;
2364
2365	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2366
2367	/* save capture & playback pointers */
2368	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2369				  & RME96_RCR_AUDIO_ADDR_MASK;
2370	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2371				 & RME96_RCR_AUDIO_ADDR_MASK;
2372
2373	/* save playback and capture buffers */
2374	memcpy_fromio(rme96->playback_suspend_buffer,
2375		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2376	memcpy_fromio(rme96->capture_suspend_buffer,
2377		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2378
2379	/* disable the DAC  */
2380	rme96->areg &= ~RME96_AR_DAC_EN;
2381	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2382	return 0;
2383}
2384
2385static int rme96_resume(struct device *dev)
2386{
2387	struct snd_card *card = dev_get_drvdata(dev);
2388	struct rme96 *rme96 = card->private_data;
2389
2390	/* reset playback and record buffer pointers */
2391	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2392		  + rme96->playback_pointer);
2393	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2394		  + rme96->capture_pointer);
2395
2396	/* restore playback and capture buffers */
2397	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2398		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2399	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2400		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2401
2402	/* reset the ADC */
2403	writel(rme96->areg | RME96_AR_PD2,
2404	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2405	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2406
2407	/* reset and enable DAC, restore analog volume */
2408	snd_rme96_reset_dac(rme96);
2409	rme96->areg |= RME96_AR_DAC_EN;
2410	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2411	if (RME96_HAS_ANALOG_OUT(rme96)) {
2412		usleep_range(3000, 10000);
2413		snd_rme96_apply_dac_volume(rme96);
2414	}
2415
2416	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2417
2418	return 0;
2419}
2420
2421static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2422#define RME96_PM_OPS	&rme96_pm
2423#else
2424#define RME96_PM_OPS	NULL
2425#endif /* CONFIG_PM_SLEEP */
2426
2427static void snd_rme96_card_free(struct snd_card *card)
2428{
2429	snd_rme96_free(card->private_data);
2430}
2431
2432static int
2433__snd_rme96_probe(struct pci_dev *pci,
2434		  const struct pci_device_id *pci_id)
2435{
2436	static int dev;
2437	struct rme96 *rme96;
2438	struct snd_card *card;
2439	int err;
2440	u8 val;
2441
2442	if (dev >= SNDRV_CARDS) {
2443		return -ENODEV;
2444	}
2445	if (!enable[dev]) {
2446		dev++;
2447		return -ENOENT;
2448	}
2449	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2450				sizeof(*rme96), &card);
2451	if (err < 0)
2452		return err;
2453	card->private_free = snd_rme96_card_free;
2454	rme96 = card->private_data;
2455	rme96->card = card;
2456	rme96->pci = pci;
2457	err = snd_rme96_create(rme96);
2458	if (err)
2459		return err;
2460	
2461#ifdef CONFIG_PM_SLEEP
2462	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2463	if (!rme96->playback_suspend_buffer)
2464		return -ENOMEM;
 
 
2465	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2466	if (!rme96->capture_suspend_buffer)
2467		return -ENOMEM;
 
 
2468#endif
2469
2470	strcpy(card->driver, "Digi96");
2471	switch (rme96->pci->device) {
2472	case PCI_DEVICE_ID_RME_DIGI96:
2473		strcpy(card->shortname, "RME Digi96");
2474		break;
2475	case PCI_DEVICE_ID_RME_DIGI96_8:
2476		strcpy(card->shortname, "RME Digi96/8");
2477		break;
2478	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2479		strcpy(card->shortname, "RME Digi96/8 PRO");
2480		break;
2481	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2482		pci_read_config_byte(rme96->pci, 8, &val);
2483		if (val < 5) {
2484			strcpy(card->shortname, "RME Digi96/8 PAD");
2485		} else {
2486			strcpy(card->shortname, "RME Digi96/8 PST");
2487		}
2488		break;
2489	}
2490	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2491		rme96->port, rme96->irq);
2492	err = snd_card_register(card);
2493	if (err)
2494		return err;
2495
2496	pci_set_drvdata(pci, card);
2497	dev++;
2498	return 0;
 
 
 
2499}
2500
2501static int snd_rme96_probe(struct pci_dev *pci,
2502			   const struct pci_device_id *pci_id)
2503{
2504	return snd_card_free_on_error(&pci->dev, __snd_rme96_probe(pci, pci_id));
2505}
2506
2507static struct pci_driver rme96_driver = {
2508	.name = KBUILD_MODNAME,
2509	.id_table = snd_rme96_ids,
2510	.probe = snd_rme96_probe,
 
2511	.driver = {
2512		.pm = RME96_PM_OPS,
2513	},
2514};
2515
2516module_pci_driver(rme96_driver);