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v6.8
   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			struct iov_iter *src, unsigned long count)
 324{
 325	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 326
 327	return copy_from_iter_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
 328				   src, count);
 329}
 330
 331static int
 
 
 
 
 
 
 
 
 
 
 
 332snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 333		       int channel, unsigned long pos,
 334		       struct iov_iter *dst, unsigned long count)
 335{
 336	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 337
 338	return copy_to_iter_fromio(dst,
 339				   rme96->iobase + RME96_IO_REC_BUFFER + pos,
 340				   count);
 341}
 342
 
 
 
 
 
 
 
 
 
 
 
 343/*
 344 * Digital output capabilities (S/PDIF)
 345 */
 346static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 347{
 348	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 349			      SNDRV_PCM_INFO_MMAP_VALID |
 350			      SNDRV_PCM_INFO_SYNC_START |
 351			      SNDRV_PCM_INFO_RESUME |
 352			      SNDRV_PCM_INFO_INTERLEAVED |
 353			      SNDRV_PCM_INFO_PAUSE),
 354	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 355			      SNDRV_PCM_FMTBIT_S32_LE),
 356	.rates =	     (SNDRV_PCM_RATE_32000 |
 357			      SNDRV_PCM_RATE_44100 | 
 358			      SNDRV_PCM_RATE_48000 | 
 359			      SNDRV_PCM_RATE_64000 |
 360			      SNDRV_PCM_RATE_88200 | 
 361			      SNDRV_PCM_RATE_96000),
 362	.rate_min =	     32000,
 363	.rate_max =	     96000,
 364	.channels_min =	     2,
 365	.channels_max =	     2,
 366	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 367	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 368	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 369	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 370	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 371	.fifo_size =	     0,
 372};
 373
 374/*
 375 * Digital input capabilities (S/PDIF)
 376 */
 377static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 378{
 379	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 380			      SNDRV_PCM_INFO_MMAP_VALID |
 381			      SNDRV_PCM_INFO_SYNC_START |
 382			      SNDRV_PCM_INFO_RESUME |
 383			      SNDRV_PCM_INFO_INTERLEAVED |
 384			      SNDRV_PCM_INFO_PAUSE),
 385	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 386			      SNDRV_PCM_FMTBIT_S32_LE),
 387	.rates =	     (SNDRV_PCM_RATE_32000 |
 388			      SNDRV_PCM_RATE_44100 | 
 389			      SNDRV_PCM_RATE_48000 | 
 390			      SNDRV_PCM_RATE_64000 |
 391			      SNDRV_PCM_RATE_88200 | 
 392			      SNDRV_PCM_RATE_96000),
 393	.rate_min =	     32000,
 394	.rate_max =	     96000,
 395	.channels_min =	     2,
 396	.channels_max =	     2,
 397	.buffer_bytes_max =  RME96_BUFFER_SIZE,
 398	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
 399	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
 400	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
 401	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
 402	.fifo_size =	     0,
 403};
 404
 405/*
 406 * Digital output capabilities (ADAT)
 407 */
 408static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
 409{
 410	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
 411			      SNDRV_PCM_INFO_MMAP_VALID |
 412			      SNDRV_PCM_INFO_SYNC_START |
 413			      SNDRV_PCM_INFO_RESUME |
 414			      SNDRV_PCM_INFO_INTERLEAVED |
 415			      SNDRV_PCM_INFO_PAUSE),
 416	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
 417			      SNDRV_PCM_FMTBIT_S32_LE),
 418	.rates =             (SNDRV_PCM_RATE_44100 | 
 419			      SNDRV_PCM_RATE_48000),
 420	.rate_min =          44100,
 421	.rate_max =          48000,
 422	.channels_min =      8,
 423	.channels_max =	     8,
 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 input capabilities (ADAT)
 434 */
 435static const struct snd_pcm_hardware snd_rme96_capture_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 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
 461 * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
 462 * on the falling edge of CCLK and be stable on the rising edge.  The rising
 463 * edge of CLATCH after the last data bit clocks in the whole data word.
 464 * A fast processor could probably drive the SPI interface faster than the
 465 * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
 466 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
 467 *
 468 * NOTE: increased delay from 1 to 10, since there where problems setting
 469 * the volume.
 470 */
 471static void
 472snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
 473{
 474	int i;
 475
 476	for (i = 0; i < 16; i++) {
 477		if (val & 0x8000) {
 478			rme96->areg |= RME96_AR_CDATA;
 479		} else {
 480			rme96->areg &= ~RME96_AR_CDATA;
 481		}
 482		rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
 483		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 484		udelay(10);
 485		rme96->areg |= RME96_AR_CCLK;
 486		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 487		udelay(10);
 488		val <<= 1;
 489	}
 490	rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
 491	rme96->areg |= RME96_AR_CLATCH;
 492	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 493	udelay(10);
 494	rme96->areg &= ~RME96_AR_CLATCH;
 495	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 496}
 497
 498static void
 499snd_rme96_apply_dac_volume(struct rme96 *rme96)
 500{
 501	if (RME96_DAC_IS_1852(rme96)) {
 502		snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
 503		snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
 504	} else if (RME96_DAC_IS_1855(rme96)) {
 505		snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
 506		snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
 507	}
 508}
 509
 510static void
 511snd_rme96_reset_dac(struct rme96 *rme96)
 512{
 513	writel(rme96->wcreg | RME96_WCR_PD,
 514	       rme96->iobase + RME96_IO_CONTROL_REGISTER);
 515	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 516}
 517
 518static int
 519snd_rme96_getmontracks(struct rme96 *rme96)
 520{
 521	return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
 522		(((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
 523}
 524
 525static int
 526snd_rme96_setmontracks(struct rme96 *rme96,
 527		       int montracks)
 528{
 529	if (montracks & 1) {
 530		rme96->wcreg |= RME96_WCR_MONITOR_0;
 531	} else {
 532		rme96->wcreg &= ~RME96_WCR_MONITOR_0;
 533	}
 534	if (montracks & 2) {
 535		rme96->wcreg |= RME96_WCR_MONITOR_1;
 536	} else {
 537		rme96->wcreg &= ~RME96_WCR_MONITOR_1;
 538	}
 539	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 540	return 0;
 541}
 542
 543static int
 544snd_rme96_getattenuation(struct rme96 *rme96)
 545{
 546	return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
 547		(((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
 548}
 549
 550static int
 551snd_rme96_setattenuation(struct rme96 *rme96,
 552			 int attenuation)
 553{
 554	switch (attenuation) {
 555	case 0:
 556		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
 557			~RME96_WCR_GAIN_1;
 558		break;
 559	case 1:
 560		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
 561			~RME96_WCR_GAIN_1;
 562		break;
 563	case 2:
 564		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
 565			RME96_WCR_GAIN_1;
 566		break;
 567	case 3:
 568		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
 569			RME96_WCR_GAIN_1;
 570		break;
 571	default:
 572		return -EINVAL;
 573	}
 574	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 575	return 0;
 576}
 577
 578static int
 579snd_rme96_capture_getrate(struct rme96 *rme96,
 580			  int *is_adat)
 581{	
 582	int n, rate;
 583
 584	*is_adat = 0;
 585	if (rme96->areg & RME96_AR_ANALOG) {
 586		/* Analog input, overrides S/PDIF setting */
 587		n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
 588			(((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
 589		switch (n) {
 590		case 1:
 591			rate = 32000;
 592			break;
 593		case 2:
 594			rate = 44100;
 595			break;
 596		case 3:
 597			rate = 48000;
 598			break;
 599		default:
 600			return -1;
 601		}
 602		return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
 603	}
 604
 605	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
 606	if (rme96->rcreg & RME96_RCR_LOCK) {
 607		/* ADAT rate */
 608		*is_adat = 1;
 609		if (rme96->rcreg & RME96_RCR_T_OUT) {
 610			return 48000;
 611		}
 612		return 44100;
 613	}
 614
 615	if (rme96->rcreg & RME96_RCR_VERF) {
 616		return -1;
 617	}
 618	
 619	/* S/PDIF rate */
 620	n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
 621		(((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
 622		(((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
 623	
 624	switch (n) {
 625	case 0:		
 626		if (rme96->rcreg & RME96_RCR_T_OUT) {
 627			return 64000;
 628		}
 629		return -1;
 630	case 3: return 96000;
 631	case 4: return 88200;
 632	case 5: return 48000;
 633	case 6: return 44100;
 634	case 7: return 32000;
 635	default:
 636		break;
 637	}
 638	return -1;
 639}
 640
 641static int
 642snd_rme96_playback_getrate(struct rme96 *rme96)
 643{
 644	int rate, dummy;
 645
 646	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 647	    snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
 648		rate = snd_rme96_capture_getrate(rme96, &dummy);
 649		if (rate > 0) {
 650			/* slave clock */
 651			return rate;
 652		}
 653	}
 654
 655	rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
 656		(((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
 657	switch (rate) {
 658	case 1:
 659		rate = 32000;
 660		break;
 661	case 2:
 662		rate = 44100;
 663		break;
 664	case 3:
 665		rate = 48000;
 666		break;
 667	default:
 668		return -1;
 669	}
 670	return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
 671}
 672
 673static int
 674snd_rme96_playback_setrate(struct rme96 *rme96,
 675			   int rate)
 676{
 677	int ds;
 678
 679	ds = rme96->wcreg & RME96_WCR_DS;
 680	switch (rate) {
 681	case 32000:
 682		rme96->wcreg &= ~RME96_WCR_DS;
 683		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 684			~RME96_WCR_FREQ_1;
 685		break;
 686	case 44100:
 687		rme96->wcreg &= ~RME96_WCR_DS;
 688		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 689			~RME96_WCR_FREQ_0;
 690		break;
 691	case 48000:
 692		rme96->wcreg &= ~RME96_WCR_DS;
 693		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 694			RME96_WCR_FREQ_1;
 695		break;
 696	case 64000:
 697		rme96->wcreg |= RME96_WCR_DS;
 698		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
 699			~RME96_WCR_FREQ_1;
 700		break;
 701	case 88200:
 702		rme96->wcreg |= RME96_WCR_DS;
 703		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
 704			~RME96_WCR_FREQ_0;
 705		break;
 706	case 96000:
 707		rme96->wcreg |= RME96_WCR_DS;
 708		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
 709			RME96_WCR_FREQ_1;
 710		break;
 711	default:
 712		return -EINVAL;
 713	}
 714	if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
 715	    (ds && !(rme96->wcreg & RME96_WCR_DS)))
 716	{
 717		/* change to/from double-speed: reset the DAC (if available) */
 718		snd_rme96_reset_dac(rme96);
 719		return 1; /* need to restore volume */
 720	} else {
 721		writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 722		return 0;
 723	}
 724}
 725
 726static int
 727snd_rme96_capture_analog_setrate(struct rme96 *rme96,
 728				 int rate)
 729{
 730	switch (rate) {
 731	case 32000:
 732		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 733			       ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 734		break;
 735	case 44100:
 736		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 737			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 738		break;
 739	case 48000:
 740		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 741			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
 742		break;
 743	case 64000:
 744		if (rme96->rev < 4) {
 745			return -EINVAL;
 746		}
 747		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
 748			       ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 749		break;
 750	case 88200:
 751		if (rme96->rev < 4) {
 752			return -EINVAL;
 753		}
 754		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
 755			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 756		break;
 757	case 96000:
 758		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
 759			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
 760		break;
 761	default:
 762		return -EINVAL;
 763	}
 764	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 765	return 0;
 766}
 767
 768static int
 769snd_rme96_setclockmode(struct rme96 *rme96,
 770		       int mode)
 771{
 772	switch (mode) {
 773	case RME96_CLOCKMODE_SLAVE:
 774	        /* AutoSync */ 
 775		rme96->wcreg &= ~RME96_WCR_MASTER;
 776		rme96->areg &= ~RME96_AR_WSEL;
 777		break;
 778	case RME96_CLOCKMODE_MASTER:
 779	        /* Internal */
 780		rme96->wcreg |= RME96_WCR_MASTER;
 781		rme96->areg &= ~RME96_AR_WSEL;
 782		break;
 783	case RME96_CLOCKMODE_WORDCLOCK:
 784		/* Word clock is a master mode */
 785		rme96->wcreg |= RME96_WCR_MASTER; 
 786		rme96->areg |= RME96_AR_WSEL;
 787		break;
 788	default:
 789		return -EINVAL;
 790	}
 791	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 792	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 793	return 0;
 794}
 795
 796static int
 797snd_rme96_getclockmode(struct rme96 *rme96)
 798{
 799	if (rme96->areg & RME96_AR_WSEL) {
 800		return RME96_CLOCKMODE_WORDCLOCK;
 801	}
 802	return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
 803		RME96_CLOCKMODE_SLAVE;
 804}
 805
 806static int
 807snd_rme96_setinputtype(struct rme96 *rme96,
 808		       int type)
 809{
 810	int n;
 811
 812	switch (type) {
 813	case RME96_INPUT_OPTICAL:
 814		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
 815			~RME96_WCR_INP_1;
 816		break;
 817	case RME96_INPUT_COAXIAL:
 818		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
 819			~RME96_WCR_INP_1;
 820		break;
 821	case RME96_INPUT_INTERNAL:
 822		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
 823			RME96_WCR_INP_1;
 824		break;
 825	case RME96_INPUT_XLR:
 826		if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 827		     rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
 828		    (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
 829		     rme96->rev > 4))
 830		{
 831			/* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
 832			return -EINVAL;
 833		}
 834		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
 835			RME96_WCR_INP_1;
 836		break;
 837	case RME96_INPUT_ANALOG:
 838		if (!RME96_HAS_ANALOG_IN(rme96)) {
 839			return -EINVAL;
 840		}
 841		rme96->areg |= RME96_AR_ANALOG;
 842		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 843		if (rme96->rev < 4) {
 844			/*
 845			 * Revision less than 004 does not support 64 and
 846			 * 88.2 kHz
 847			 */
 848			if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
 849				snd_rme96_capture_analog_setrate(rme96, 44100);
 850			}
 851			if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
 852				snd_rme96_capture_analog_setrate(rme96, 32000);
 853			}
 854		}
 855		return 0;
 856	default:
 857		return -EINVAL;
 858	}
 859	if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
 860		rme96->areg &= ~RME96_AR_ANALOG;
 861		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 862	}
 863	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 864	return 0;
 865}
 866
 867static int
 868snd_rme96_getinputtype(struct rme96 *rme96)
 869{
 870	if (rme96->areg & RME96_AR_ANALOG) {
 871		return RME96_INPUT_ANALOG;
 872	}
 873	return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
 874		(((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
 875}
 876
 877static void
 878snd_rme96_setframelog(struct rme96 *rme96,
 879		      int n_channels,
 880		      int is_playback)
 881{
 882	int frlog;
 883	
 884	if (n_channels == 2) {
 885		frlog = 1;
 886	} else {
 887		/* assume 8 channels */
 888		frlog = 3;
 889	}
 890	if (is_playback) {
 891		frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
 892		rme96->playback_frlog = frlog;
 893	} else {
 894		frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
 895		rme96->capture_frlog = frlog;
 896	}
 897}
 898
 899static int
 900snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 901{
 902	switch (format) {
 903	case SNDRV_PCM_FORMAT_S16_LE:
 904		rme96->wcreg &= ~RME96_WCR_MODE24;
 905		break;
 906	case SNDRV_PCM_FORMAT_S32_LE:
 907		rme96->wcreg |= RME96_WCR_MODE24;
 908		break;
 909	default:
 910		return -EINVAL;
 911	}
 912	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 913	return 0;
 914}
 915
 916static int
 917snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
 918{
 919	switch (format) {
 920	case SNDRV_PCM_FORMAT_S16_LE:
 921		rme96->wcreg &= ~RME96_WCR_MODE24_2;
 922		break;
 923	case SNDRV_PCM_FORMAT_S32_LE:
 924		rme96->wcreg |= RME96_WCR_MODE24_2;
 925		break;
 926	default:
 927		return -EINVAL;
 928	}
 929	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 930	return 0;
 931}
 932
 933static void
 934snd_rme96_set_period_properties(struct rme96 *rme96,
 935				size_t period_bytes)
 936{
 937	switch (period_bytes) {
 938	case RME96_LARGE_BLOCK_SIZE:
 939		rme96->wcreg &= ~RME96_WCR_ISEL;
 940		break;
 941	case RME96_SMALL_BLOCK_SIZE:
 942		rme96->wcreg |= RME96_WCR_ISEL;
 943		break;
 944	default:
 945		snd_BUG();
 946		break;
 947	}
 948	rme96->wcreg &= ~RME96_WCR_IDIS;
 949	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 950}
 951
 952static int
 953snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
 954			     struct snd_pcm_hw_params *params)
 955{
 956	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 957	struct snd_pcm_runtime *runtime = substream->runtime;
 958	int err, rate, dummy;
 959	bool apply_dac_volume = false;
 960
 961	runtime->dma_area = (void __force *)(rme96->iobase +
 962					     RME96_IO_PLAY_BUFFER);
 963	runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
 964	runtime->dma_bytes = RME96_BUFFER_SIZE;
 965
 966	spin_lock_irq(&rme96->lock);
 967	rate = 0;
 968	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
 969	    snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG)
 970		rate = snd_rme96_capture_getrate(rme96, &dummy);
 971	if (rate > 0) {
 972                /* slave clock */
 973                if ((int)params_rate(params) != rate) {
 974			err = -EIO;
 975			goto error;
 976		}
 977	} else {
 978		err = snd_rme96_playback_setrate(rme96, params_rate(params));
 979		if (err < 0)
 980			goto error;
 981		apply_dac_volume = err > 0; /* need to restore volume later? */
 982	}
 983
 984	err = snd_rme96_playback_setformat(rme96, params_format(params));
 985	if (err < 0)
 986		goto error;
 987	snd_rme96_setframelog(rme96, params_channels(params), 1);
 988	if (rme96->capture_periodsize != 0) {
 989		if (params_period_size(params) << rme96->playback_frlog !=
 990		    rme96->capture_periodsize)
 991		{
 992			err = -EBUSY;
 993			goto error;
 994		}
 995	}
 996	rme96->playback_periodsize =
 997		params_period_size(params) << rme96->playback_frlog;
 998	snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
 999	/* S/PDIF setup */
1000	if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1001		rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1002		writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1003	}
1004
1005	err = 0;
1006 error:
1007	spin_unlock_irq(&rme96->lock);
1008	if (apply_dac_volume) {
1009		usleep_range(3000, 10000);
1010		snd_rme96_apply_dac_volume(rme96);
1011	}
1012
1013	return err;
1014}
1015
1016static int
1017snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1018			    struct snd_pcm_hw_params *params)
1019{
1020	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1021	struct snd_pcm_runtime *runtime = substream->runtime;
1022	int err, isadat, rate;
1023	
1024	runtime->dma_area = (void __force *)(rme96->iobase +
1025					     RME96_IO_REC_BUFFER);
1026	runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1027	runtime->dma_bytes = RME96_BUFFER_SIZE;
1028
1029	spin_lock_irq(&rme96->lock);
1030	err = snd_rme96_capture_setformat(rme96, params_format(params));
1031	if (err < 0) {
1032		spin_unlock_irq(&rme96->lock);
1033		return err;
1034	}
1035	if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1036		err = snd_rme96_capture_analog_setrate(rme96, params_rate(params));
1037		if (err < 0) {
 
1038			spin_unlock_irq(&rme96->lock);
1039			return err;
1040		}
1041	} else {
1042		rate = snd_rme96_capture_getrate(rme96, &isadat);
1043		if (rate > 0) {
1044			if ((int)params_rate(params) != rate) {
1045				spin_unlock_irq(&rme96->lock);
1046				return -EIO;
1047			}
1048			if ((isadat && runtime->hw.channels_min == 2) ||
1049			    (!isadat && runtime->hw.channels_min == 8)) {
1050				spin_unlock_irq(&rme96->lock);
1051				return -EIO;
1052			}
1053		}
1054        }
1055	snd_rme96_setframelog(rme96, params_channels(params), 0);
1056	if (rme96->playback_periodsize != 0) {
1057		if (params_period_size(params) << rme96->capture_frlog !=
1058		    rme96->playback_periodsize)
1059		{
1060			spin_unlock_irq(&rme96->lock);
1061			return -EBUSY;
1062		}
1063	}
1064	rme96->capture_periodsize =
1065		params_period_size(params) << rme96->capture_frlog;
1066	snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1067	spin_unlock_irq(&rme96->lock);
1068
1069	return 0;
1070}
1071
1072static void
1073snd_rme96_trigger(struct rme96 *rme96,
1074		  int op)
1075{
1076	if (op & RME96_TB_RESET_PLAYPOS)
1077		writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1078	if (op & RME96_TB_RESET_CAPTUREPOS)
1079		writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1080	if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1081		rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1082		if (rme96->rcreg & RME96_RCR_IRQ)
1083			writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1084	}
1085	if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1086		rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1087		if (rme96->rcreg & RME96_RCR_IRQ_2)
1088			writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1089	}
1090	if (op & RME96_TB_START_PLAYBACK)
1091		rme96->wcreg |= RME96_WCR_START;
1092	if (op & RME96_TB_STOP_PLAYBACK)
1093		rme96->wcreg &= ~RME96_WCR_START;
1094	if (op & RME96_TB_START_CAPTURE)
1095		rme96->wcreg |= RME96_WCR_START_2;
1096	if (op & RME96_TB_STOP_CAPTURE)
1097		rme96->wcreg &= ~RME96_WCR_START_2;
1098	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1099}
1100
1101
1102
1103static irqreturn_t
1104snd_rme96_interrupt(int irq,
1105		    void *dev_id)
1106{
1107	struct rme96 *rme96 = (struct rme96 *)dev_id;
1108
1109	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1110	/* fastpath out, to ease interrupt sharing */
1111	if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1112	      (rme96->rcreg & RME96_RCR_IRQ_2)))
1113	{
1114		return IRQ_NONE;
1115	}
1116	
1117	if (rme96->rcreg & RME96_RCR_IRQ) {
1118		/* playback */
1119                snd_pcm_period_elapsed(rme96->playback_substream);
1120		writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1121	}
1122	if (rme96->rcreg & RME96_RCR_IRQ_2) {
1123		/* capture */
1124		snd_pcm_period_elapsed(rme96->capture_substream);		
1125		writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1126	}
1127	return IRQ_HANDLED;
1128}
1129
1130static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1131
1132static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1133	.count = ARRAY_SIZE(period_bytes),
1134	.list = period_bytes,
1135	.mask = 0
1136};
1137
1138static void
1139rme96_set_buffer_size_constraint(struct rme96 *rme96,
1140				 struct snd_pcm_runtime *runtime)
1141{
1142	unsigned int size;
1143
1144	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1145				     RME96_BUFFER_SIZE);
1146	size = rme96->playback_periodsize;
1147	if (!size)
1148		size = rme96->capture_periodsize;
1149	if (size)
1150		snd_pcm_hw_constraint_single(runtime,
1151					     SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1152					     size);
1153	else
1154		snd_pcm_hw_constraint_list(runtime, 0,
1155					   SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1156					   &hw_constraints_period_bytes);
1157}
1158
1159static int
1160snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1161{
1162        int rate, dummy;
1163	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1164	struct snd_pcm_runtime *runtime = substream->runtime;
1165
1166	snd_pcm_set_sync(substream);
1167	spin_lock_irq(&rme96->lock);	
1168	if (rme96->playback_substream) {
1169		spin_unlock_irq(&rme96->lock);
1170                return -EBUSY;
1171        }
1172	rme96->wcreg &= ~RME96_WCR_ADAT;
1173	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1174	rme96->playback_substream = substream;
1175	spin_unlock_irq(&rme96->lock);
1176
1177	runtime->hw = snd_rme96_playback_spdif_info;
1178	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1179	    snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1180		rate = snd_rme96_capture_getrate(rme96, &dummy);
1181		if (rate > 0) {
1182			/* slave clock */
1183			runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1184			runtime->hw.rate_min = rate;
1185			runtime->hw.rate_max = rate;
1186		}
1187	}        
1188	rme96_set_buffer_size_constraint(rme96, runtime);
1189
1190	rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1191	rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1192	snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1193		       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1194	return 0;
1195}
1196
1197static int
1198snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1199{
1200        int isadat, rate;
1201	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1202	struct snd_pcm_runtime *runtime = substream->runtime;
1203
1204	snd_pcm_set_sync(substream);
1205	runtime->hw = snd_rme96_capture_spdif_info;
1206	if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1207		rate = snd_rme96_capture_getrate(rme96, &isadat);
1208		if (rate > 0) {
1209			if (isadat)
1210				return -EIO;
1211			runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1212			runtime->hw.rate_min = rate;
1213			runtime->hw.rate_max = rate;
1214		}
1215	}
1216        
1217	spin_lock_irq(&rme96->lock);
1218	if (rme96->capture_substream) {
1219		spin_unlock_irq(&rme96->lock);
1220                return -EBUSY;
1221        }
1222	rme96->capture_substream = substream;
1223	spin_unlock_irq(&rme96->lock);
1224	
1225	rme96_set_buffer_size_constraint(rme96, runtime);
1226	return 0;
1227}
1228
1229static int
1230snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1231{
1232        int rate, dummy;
1233	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1234	struct snd_pcm_runtime *runtime = substream->runtime;        
1235	
1236	snd_pcm_set_sync(substream);
1237	spin_lock_irq(&rme96->lock);	
1238	if (rme96->playback_substream) {
1239		spin_unlock_irq(&rme96->lock);
1240                return -EBUSY;
1241        }
1242	rme96->wcreg |= RME96_WCR_ADAT;
1243	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1244	rme96->playback_substream = substream;
1245	spin_unlock_irq(&rme96->lock);
1246	
1247	runtime->hw = snd_rme96_playback_adat_info;
1248	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1249	    snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1250		rate = snd_rme96_capture_getrate(rme96, &dummy);
1251		if (rate > 0) {
1252			/* slave clock */
1253			runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1254			runtime->hw.rate_min = rate;
1255			runtime->hw.rate_max = rate;
1256		}
1257	}
1258
1259	rme96_set_buffer_size_constraint(rme96, runtime);
1260	return 0;
1261}
1262
1263static int
1264snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1265{
1266        int isadat, rate;
1267	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1268	struct snd_pcm_runtime *runtime = substream->runtime;
1269
1270	snd_pcm_set_sync(substream);
1271	runtime->hw = snd_rme96_capture_adat_info;
1272        if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1273                /* makes no sense to use analog input. Note that analog
1274                   expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1275                return -EIO;
1276        }
1277	rate = snd_rme96_capture_getrate(rme96, &isadat);
1278	if (rate > 0) {
1279                if (!isadat) {
1280                        return -EIO;
1281                }
1282                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1283                runtime->hw.rate_min = rate;
1284                runtime->hw.rate_max = rate;
1285        }
1286        
1287	spin_lock_irq(&rme96->lock);	
1288	if (rme96->capture_substream) {
1289		spin_unlock_irq(&rme96->lock);
1290                return -EBUSY;
1291        }
1292	rme96->capture_substream = substream;
1293	spin_unlock_irq(&rme96->lock);
1294
1295	rme96_set_buffer_size_constraint(rme96, runtime);
1296	return 0;
1297}
1298
1299static int
1300snd_rme96_playback_close(struct snd_pcm_substream *substream)
1301{
1302	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1303	int spdif = 0;
1304
1305	spin_lock_irq(&rme96->lock);	
1306	if (RME96_ISPLAYING(rme96)) {
1307		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1308	}
1309	rme96->playback_substream = NULL;
1310	rme96->playback_periodsize = 0;
1311	spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1312	spin_unlock_irq(&rme96->lock);
1313	if (spdif) {
1314		rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1315		snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1316			       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1317	}
1318	return 0;
1319}
1320
1321static int
1322snd_rme96_capture_close(struct snd_pcm_substream *substream)
1323{
1324	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1325	
1326	spin_lock_irq(&rme96->lock);	
1327	if (RME96_ISRECORDING(rme96)) {
1328		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1329	}
1330	rme96->capture_substream = NULL;
1331	rme96->capture_periodsize = 0;
1332	spin_unlock_irq(&rme96->lock);
1333	return 0;
1334}
1335
1336static int
1337snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1338{
1339	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1340	
1341	spin_lock_irq(&rme96->lock);	
1342	if (RME96_ISPLAYING(rme96)) {
1343		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1344	}
1345	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1346	spin_unlock_irq(&rme96->lock);
1347	return 0;
1348}
1349
1350static int
1351snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1352{
1353	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1354	
1355	spin_lock_irq(&rme96->lock);	
1356	if (RME96_ISRECORDING(rme96)) {
1357		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1358	}
1359	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1360	spin_unlock_irq(&rme96->lock);
1361	return 0;
1362}
1363
1364static int
1365snd_rme96_playback_trigger(struct snd_pcm_substream *substream, 
1366			   int cmd)
1367{
1368	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1369	struct snd_pcm_substream *s;
1370	bool sync;
1371
1372	snd_pcm_group_for_each_entry(s, substream) {
1373		if (snd_pcm_substream_chip(s) == rme96)
1374			snd_pcm_trigger_done(s, substream);
1375	}
1376
1377	sync = (rme96->playback_substream && rme96->capture_substream) &&
1378	       (rme96->playback_substream->group ==
1379		rme96->capture_substream->group);
1380
1381	switch (cmd) {
1382	case SNDRV_PCM_TRIGGER_START:
1383		if (!RME96_ISPLAYING(rme96)) {
1384			if (substream != rme96->playback_substream)
1385				return -EBUSY;
1386			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1387						 : RME96_START_PLAYBACK);
1388		}
1389		break;
1390
1391	case SNDRV_PCM_TRIGGER_SUSPEND:
1392	case SNDRV_PCM_TRIGGER_STOP:
1393		if (RME96_ISPLAYING(rme96)) {
1394			if (substream != rme96->playback_substream)
1395				return -EBUSY;
1396			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1397						 :  RME96_STOP_PLAYBACK);
1398		}
1399		break;
1400
1401	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1402		if (RME96_ISPLAYING(rme96))
1403			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1404						 : RME96_STOP_PLAYBACK);
1405		break;
1406
1407	case SNDRV_PCM_TRIGGER_RESUME:
1408	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1409		if (!RME96_ISPLAYING(rme96))
1410			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1411						 : RME96_RESUME_PLAYBACK);
1412		break;
1413
1414	default:
1415		return -EINVAL;
1416	}
1417
1418	return 0;
1419}
1420
1421static int
1422snd_rme96_capture_trigger(struct snd_pcm_substream *substream, 
1423			  int cmd)
1424{
1425	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1426	struct snd_pcm_substream *s;
1427	bool sync;
1428
1429	snd_pcm_group_for_each_entry(s, substream) {
1430		if (snd_pcm_substream_chip(s) == rme96)
1431			snd_pcm_trigger_done(s, substream);
1432	}
1433
1434	sync = (rme96->playback_substream && rme96->capture_substream) &&
1435	       (rme96->playback_substream->group ==
1436		rme96->capture_substream->group);
1437
1438	switch (cmd) {
1439	case SNDRV_PCM_TRIGGER_START:
1440		if (!RME96_ISRECORDING(rme96)) {
1441			if (substream != rme96->capture_substream)
1442				return -EBUSY;
1443			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1444						 : RME96_START_CAPTURE);
1445		}
1446		break;
1447
1448	case SNDRV_PCM_TRIGGER_SUSPEND:
1449	case SNDRV_PCM_TRIGGER_STOP:
1450		if (RME96_ISRECORDING(rme96)) {
1451			if (substream != rme96->capture_substream)
1452				return -EBUSY;
1453			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1454						 : RME96_STOP_CAPTURE);
1455		}
1456		break;
1457
1458	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1459		if (RME96_ISRECORDING(rme96))
1460			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1461						 : RME96_STOP_CAPTURE);
1462		break;
1463
1464	case SNDRV_PCM_TRIGGER_RESUME:
1465	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1466		if (!RME96_ISRECORDING(rme96))
1467			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1468						 : RME96_RESUME_CAPTURE);
1469		break;
1470
1471	default:
1472		return -EINVAL;
1473	}
1474
1475	return 0;
1476}
1477
1478static snd_pcm_uframes_t
1479snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1480{
1481	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1482	return snd_rme96_playback_ptr(rme96);
1483}
1484
1485static snd_pcm_uframes_t
1486snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1487{
1488	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1489	return snd_rme96_capture_ptr(rme96);
1490}
1491
1492static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1493	.open =		snd_rme96_playback_spdif_open,
1494	.close =	snd_rme96_playback_close,
 
1495	.hw_params =	snd_rme96_playback_hw_params,
1496	.prepare =	snd_rme96_playback_prepare,
1497	.trigger =	snd_rme96_playback_trigger,
1498	.pointer =	snd_rme96_playback_pointer,
1499	.copy =		snd_rme96_playback_copy,
 
1500	.fill_silence =	snd_rme96_playback_silence,
1501	.mmap =		snd_pcm_lib_mmap_iomem,
1502};
1503
1504static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1505	.open =		snd_rme96_capture_spdif_open,
1506	.close =	snd_rme96_capture_close,
 
1507	.hw_params =	snd_rme96_capture_hw_params,
1508	.prepare =	snd_rme96_capture_prepare,
1509	.trigger =	snd_rme96_capture_trigger,
1510	.pointer =	snd_rme96_capture_pointer,
1511	.copy =		snd_rme96_capture_copy,
 
1512	.mmap =		snd_pcm_lib_mmap_iomem,
1513};
1514
1515static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1516	.open =		snd_rme96_playback_adat_open,
1517	.close =	snd_rme96_playback_close,
 
1518	.hw_params =	snd_rme96_playback_hw_params,
1519	.prepare =	snd_rme96_playback_prepare,
1520	.trigger =	snd_rme96_playback_trigger,
1521	.pointer =	snd_rme96_playback_pointer,
1522	.copy =		snd_rme96_playback_copy,
 
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_adat_ops = {
1528	.open =		snd_rme96_capture_adat_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 =		snd_rme96_capture_copy,
 
1535	.mmap =		snd_pcm_lib_mmap_iomem,
1536};
1537
1538static void
1539snd_rme96_free(struct rme96 *rme96)
1540{
 
 
 
 
 
1541	if (rme96->irq >= 0) {
1542		snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1543		rme96->areg &= ~RME96_AR_DAC_EN;
1544		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
 
 
 
 
 
 
 
 
 
 
1545	}
1546#ifdef CONFIG_PM_SLEEP
1547	vfree(rme96->playback_suspend_buffer);
1548	vfree(rme96->capture_suspend_buffer);
1549#endif
 
1550}
1551
1552static void
1553snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1554{
1555	struct rme96 *rme96 = pcm->private_data;
1556	rme96->spdif_pcm = NULL;
1557}
1558
1559static void
1560snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1561{
1562	struct rme96 *rme96 = pcm->private_data;
1563	rme96->adat_pcm = NULL;
1564}
1565
1566static int
1567snd_rme96_create(struct rme96 *rme96)
1568{
1569	struct pci_dev *pci = rme96->pci;
1570	int err;
1571
1572	rme96->irq = -1;
1573	spin_lock_init(&rme96->lock);
1574
1575	err = pcim_enable_device(pci);
1576	if (err < 0)
1577		return err;
1578
1579	err = pci_request_regions(pci, "RME96");
1580	if (err < 0)
1581		return err;
1582	rme96->port = pci_resource_start(rme96->pci, 0);
1583
1584	rme96->iobase = devm_ioremap(&pci->dev, rme96->port, RME96_IO_SIZE);
1585	if (!rme96->iobase) {
1586		dev_err(rme96->card->dev,
1587			"unable to remap memory region 0x%lx-0x%lx\n",
1588			rme96->port, rme96->port + RME96_IO_SIZE - 1);
1589		return -EBUSY;
1590	}
1591
1592	if (devm_request_irq(&pci->dev, pci->irq, snd_rme96_interrupt,
1593			     IRQF_SHARED, KBUILD_MODNAME, rme96)) {
1594		dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1595		return -EBUSY;
1596	}
1597	rme96->irq = pci->irq;
1598	rme96->card->sync_irq = rme96->irq;
1599
1600	/* read the card's revision number */
1601	pci_read_config_byte(pci, 8, &rme96->rev);	
1602	
1603	/* set up ALSA pcm device for S/PDIF */
1604	err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1605			  1, 1, &rme96->spdif_pcm);
1606	if (err < 0)
1607		return err;
1608
1609	rme96->spdif_pcm->private_data = rme96;
1610	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1611	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1612	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1613	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1614
1615	rme96->spdif_pcm->info_flags = 0;
1616
1617	/* set up ALSA pcm device for ADAT */
1618	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1619		/* ADAT is not available on the base model */
1620		rme96->adat_pcm = NULL;
1621	} else {
1622		err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1623				  1, 1, &rme96->adat_pcm);
1624		if (err < 0)
1625			return err;
 
1626		rme96->adat_pcm->private_data = rme96;
1627		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1628		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1629		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1630		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1631		
1632		rme96->adat_pcm->info_flags = 0;
1633	}
1634
1635	rme96->playback_periodsize = 0;
1636	rme96->capture_periodsize = 0;
1637	
1638	/* make sure playback/capture is stopped, if by some reason active */
1639	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1640	
1641	/* set default values in registers */
1642	rme96->wcreg =
1643		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1644		RME96_WCR_SEL |    /* normal playback */
1645		RME96_WCR_MASTER | /* set to master clock mode */
1646		RME96_WCR_INP_0;   /* set coaxial input */
1647
1648	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1649
1650	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1651	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1652	
1653	/* reset the ADC */
1654	writel(rme96->areg | RME96_AR_PD2,
1655	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1656	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);	
1657
1658	/* reset and enable the DAC (order is important). */
1659	snd_rme96_reset_dac(rme96);
1660	rme96->areg |= RME96_AR_DAC_EN;
1661	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1662
1663	/* reset playback and record buffer pointers */
1664	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1665	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1666
1667	/* reset volume */
1668	rme96->vol[0] = rme96->vol[1] = 0;
1669	if (RME96_HAS_ANALOG_OUT(rme96)) {
1670		snd_rme96_apply_dac_volume(rme96);
1671	}
1672	
1673	/* init switch interface */
1674	err = snd_rme96_create_switches(rme96->card, rme96);
1675	if (err < 0)
1676		return err;
 
1677
1678        /* init proc interface */
1679	snd_rme96_proc_init(rme96);
1680	
1681	return 0;
1682}
1683
1684/*
1685 * proc interface
1686 */
1687
1688static void 
1689snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1690{
1691	int n;
1692	struct rme96 *rme96 = entry->private_data;
1693	
1694	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1695
1696	snd_iprintf(buffer, rme96->card->longname);
1697	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1698
1699	snd_iprintf(buffer, "\nGeneral settings\n");
1700	if (rme96->wcreg & RME96_WCR_IDIS) {
1701		snd_iprintf(buffer, "  period size: N/A (interrupts "
1702			    "disabled)\n");
1703	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1704		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1705	} else {
1706		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1707	}	
1708	snd_iprintf(buffer, "\nInput settings\n");
1709	switch (snd_rme96_getinputtype(rme96)) {
1710	case RME96_INPUT_OPTICAL:
1711		snd_iprintf(buffer, "  input: optical");
1712		break;
1713	case RME96_INPUT_COAXIAL:
1714		snd_iprintf(buffer, "  input: coaxial");
1715		break;
1716	case RME96_INPUT_INTERNAL:
1717		snd_iprintf(buffer, "  input: internal");
1718		break;
1719	case RME96_INPUT_XLR:
1720		snd_iprintf(buffer, "  input: XLR");
1721		break;
1722	case RME96_INPUT_ANALOG:
1723		snd_iprintf(buffer, "  input: analog");
1724		break;
1725	}
1726	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1727		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1728	} else {
1729		if (n) {
1730			snd_iprintf(buffer, " (8 channels)\n");
1731		} else {
1732			snd_iprintf(buffer, " (2 channels)\n");
1733		}
1734		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1735			    snd_rme96_capture_getrate(rme96, &n));
1736	}
1737	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1738		snd_iprintf(buffer, "  sample format: 24 bit\n");
1739	} else {
1740		snd_iprintf(buffer, "  sample format: 16 bit\n");
1741	}
1742	
1743	snd_iprintf(buffer, "\nOutput settings\n");
1744	if (rme96->wcreg & RME96_WCR_SEL) {
1745		snd_iprintf(buffer, "  output signal: normal playback\n");
1746	} else {
1747		snd_iprintf(buffer, "  output signal: same as input\n");
1748	}
1749	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1750		    snd_rme96_playback_getrate(rme96));
1751	if (rme96->wcreg & RME96_WCR_MODE24) {
1752		snd_iprintf(buffer, "  sample format: 24 bit\n");
1753	} else {
1754		snd_iprintf(buffer, "  sample format: 16 bit\n");
1755	}
1756	if (rme96->areg & RME96_AR_WSEL) {
1757		snd_iprintf(buffer, "  sample clock source: word clock\n");
1758	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1759		snd_iprintf(buffer, "  sample clock source: internal\n");
1760	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1761		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1762	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1763		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1764	} else {
1765		snd_iprintf(buffer, "  sample clock source: autosync\n");
1766	}
1767	if (rme96->wcreg & RME96_WCR_PRO) {
1768		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1769	} else {
1770		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1771	}
1772	if (rme96->wcreg & RME96_WCR_EMP) {
1773		snd_iprintf(buffer, "  emphasis: on\n");
1774	} else {
1775		snd_iprintf(buffer, "  emphasis: off\n");
1776	}
1777	if (rme96->wcreg & RME96_WCR_DOLBY) {
1778		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1779	} else {
1780		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1781	}
1782	if (RME96_HAS_ANALOG_IN(rme96)) {
1783		snd_iprintf(buffer, "\nAnalog output settings\n");
1784		switch (snd_rme96_getmontracks(rme96)) {
1785		case RME96_MONITOR_TRACKS_1_2:
1786			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1787			break;
1788		case RME96_MONITOR_TRACKS_3_4:
1789			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1790			break;
1791		case RME96_MONITOR_TRACKS_5_6:
1792			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1793			break;
1794		case RME96_MONITOR_TRACKS_7_8:
1795			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1796			break;
1797		}
1798		switch (snd_rme96_getattenuation(rme96)) {
1799		case RME96_ATTENUATION_0:
1800			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1801			break;
1802		case RME96_ATTENUATION_6:
1803			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1804			break;
1805		case RME96_ATTENUATION_12:
1806			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1807			break;
1808		case RME96_ATTENUATION_18:
1809			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1810			break;
1811		}
1812		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1813		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1814	}
1815}
1816
1817static void snd_rme96_proc_init(struct rme96 *rme96)
1818{
1819	snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1820}
1821
1822/*
1823 * control interface
1824 */
1825
1826#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1827
1828static int
1829snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1830{
1831	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1832	
1833	spin_lock_irq(&rme96->lock);
1834	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1835	spin_unlock_irq(&rme96->lock);
1836	return 0;
1837}
1838static int
1839snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1840{
1841	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1842	unsigned int val;
1843	int change;
1844	
1845	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1846	spin_lock_irq(&rme96->lock);
1847	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1848	change = val != rme96->wcreg;
1849	rme96->wcreg = val;
1850	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1851	spin_unlock_irq(&rme96->lock);
1852	return change;
1853}
1854
1855static int
1856snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1857{
1858	static const char * const _texts[5] = {
1859		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1860	};
1861	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1862	const char *texts[5] = {
1863		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1864	};
1865	int num_items;
1866	
1867	switch (rme96->pci->device) {
1868	case PCI_DEVICE_ID_RME_DIGI96:
1869	case PCI_DEVICE_ID_RME_DIGI96_8:
1870		num_items = 3;
1871		break;
1872	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1873		num_items = 4;
1874		break;
1875	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1876		if (rme96->rev > 4) {
1877			/* PST */
1878			num_items = 4;
1879			texts[3] = _texts[4]; /* Analog instead of XLR */
1880		} else {
1881			/* PAD */
1882			num_items = 5;
1883		}
1884		break;
1885	default:
1886		snd_BUG();
1887		return -EINVAL;
1888	}
1889	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1890}
1891static int
1892snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1893{
1894	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1895	unsigned int items = 3;
1896	
1897	spin_lock_irq(&rme96->lock);
1898	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1899	
1900	switch (rme96->pci->device) {
1901	case PCI_DEVICE_ID_RME_DIGI96:
1902	case PCI_DEVICE_ID_RME_DIGI96_8:
1903		items = 3;
1904		break;
1905	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1906		items = 4;
1907		break;
1908	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1909		if (rme96->rev > 4) {
1910			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1911			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1912				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1913			}
1914			items = 4;
1915		} else {
1916			items = 5;
1917		}
1918		break;
1919	default:
1920		snd_BUG();
1921		break;
1922	}
1923	if (ucontrol->value.enumerated.item[0] >= items) {
1924		ucontrol->value.enumerated.item[0] = items - 1;
1925	}
1926	
1927	spin_unlock_irq(&rme96->lock);
1928	return 0;
1929}
1930static int
1931snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1932{
1933	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1934	unsigned int val;
1935	int change, items = 3;
1936	
1937	switch (rme96->pci->device) {
1938	case PCI_DEVICE_ID_RME_DIGI96:
1939	case PCI_DEVICE_ID_RME_DIGI96_8:
1940		items = 3;
1941		break;
1942	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1943		items = 4;
1944		break;
1945	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1946		if (rme96->rev > 4) {
1947			items = 4;
1948		} else {
1949			items = 5;
1950		}
1951		break;
1952	default:
1953		snd_BUG();
1954		break;
1955	}
1956	val = ucontrol->value.enumerated.item[0] % items;
1957	
1958	/* special case for PST */
1959	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1960		if (val == RME96_INPUT_XLR) {
1961			val = RME96_INPUT_ANALOG;
1962		}
1963	}
1964	
1965	spin_lock_irq(&rme96->lock);
1966	change = (int)val != snd_rme96_getinputtype(rme96);
1967	snd_rme96_setinputtype(rme96, val);
1968	spin_unlock_irq(&rme96->lock);
1969	return change;
1970}
1971
1972static int
1973snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1974{
1975	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
1976	
1977	return snd_ctl_enum_info(uinfo, 1, 3, texts);
1978}
1979static int
1980snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1981{
1982	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1983	
1984	spin_lock_irq(&rme96->lock);
1985	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1986	spin_unlock_irq(&rme96->lock);
1987	return 0;
1988}
1989static int
1990snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1991{
1992	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1993	unsigned int val;
1994	int change;
1995	
1996	val = ucontrol->value.enumerated.item[0] % 3;
1997	spin_lock_irq(&rme96->lock);
1998	change = (int)val != snd_rme96_getclockmode(rme96);
1999	snd_rme96_setclockmode(rme96, val);
2000	spin_unlock_irq(&rme96->lock);
2001	return change;
2002}
2003
2004static int
2005snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2006{
2007	static const char * const texts[4] = {
2008		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2009	};
2010	
2011	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2012}
2013static int
2014snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2015{
2016	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2017	
2018	spin_lock_irq(&rme96->lock);
2019	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2020	spin_unlock_irq(&rme96->lock);
2021	return 0;
2022}
2023static int
2024snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2025{
2026	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2027	unsigned int val;
2028	int change;
2029	
2030	val = ucontrol->value.enumerated.item[0] % 4;
2031	spin_lock_irq(&rme96->lock);
2032
2033	change = (int)val != snd_rme96_getattenuation(rme96);
2034	snd_rme96_setattenuation(rme96, val);
2035	spin_unlock_irq(&rme96->lock);
2036	return change;
2037}
2038
2039static int
2040snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2041{
2042	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2043	
2044	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2045}
2046static int
2047snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2048{
2049	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2050	
2051	spin_lock_irq(&rme96->lock);
2052	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2053	spin_unlock_irq(&rme96->lock);
2054	return 0;
2055}
2056static int
2057snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2058{
2059	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2060	unsigned int val;
2061	int change;
2062	
2063	val = ucontrol->value.enumerated.item[0] % 4;
2064	spin_lock_irq(&rme96->lock);
2065	change = (int)val != snd_rme96_getmontracks(rme96);
2066	snd_rme96_setmontracks(rme96, val);
2067	spin_unlock_irq(&rme96->lock);
2068	return change;
2069}
2070
2071static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2072{
2073	u32 val = 0;
2074	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2075	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2076	if (val & RME96_WCR_PRO)
2077		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2078	else
2079		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2080	return val;
2081}
2082
2083static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2084{
2085	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2086			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2087	if (val & RME96_WCR_PRO)
2088		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2089	else
2090		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2091}
2092
2093static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2094{
2095	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2096	uinfo->count = 1;
2097	return 0;
2098}
2099
2100static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2101{
2102	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2103	
2104	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2105	return 0;
2106}
2107
2108static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2109{
2110	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2111	int change;
2112	u32 val;
2113	
2114	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2115	spin_lock_irq(&rme96->lock);
2116	change = val != rme96->wcreg_spdif;
2117	rme96->wcreg_spdif = val;
2118	spin_unlock_irq(&rme96->lock);
2119	return change;
2120}
2121
2122static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2123{
2124	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2125	uinfo->count = 1;
2126	return 0;
2127}
2128
2129static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2130{
2131	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2132	
2133	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2134	return 0;
2135}
2136
2137static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2138{
2139	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2140	int change;
2141	u32 val;
2142	
2143	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2144	spin_lock_irq(&rme96->lock);
2145	change = val != rme96->wcreg_spdif_stream;
2146	rme96->wcreg_spdif_stream = val;
2147	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2148	rme96->wcreg |= val;
2149	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2150	spin_unlock_irq(&rme96->lock);
2151	return change;
2152}
2153
2154static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2155{
2156	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2157	uinfo->count = 1;
2158	return 0;
2159}
2160
2161static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2162{
2163	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2164	return 0;
2165}
2166
2167static int
2168snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2169{
2170	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2171	
2172        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2173        uinfo->count = 2;
2174        uinfo->value.integer.min = 0;
2175	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2176        return 0;
2177}
2178
2179static int
2180snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2181{
2182	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2183
2184	spin_lock_irq(&rme96->lock);
2185        u->value.integer.value[0] = rme96->vol[0];
2186        u->value.integer.value[1] = rme96->vol[1];
2187	spin_unlock_irq(&rme96->lock);
2188
2189        return 0;
2190}
2191
2192static int
2193snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2194{
2195	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2196        int change = 0;
2197	unsigned int vol, maxvol;
2198
2199
2200	if (!RME96_HAS_ANALOG_OUT(rme96))
2201		return -EINVAL;
2202	maxvol = RME96_185X_MAX_OUT(rme96);
2203	spin_lock_irq(&rme96->lock);
2204	vol = u->value.integer.value[0];
2205	if (vol != rme96->vol[0] && vol <= maxvol) {
2206		rme96->vol[0] = vol;
2207		change = 1;
2208	}
2209	vol = u->value.integer.value[1];
2210	if (vol != rme96->vol[1] && vol <= maxvol) {
2211		rme96->vol[1] = vol;
2212		change = 1;
2213	}
2214	if (change)
2215		snd_rme96_apply_dac_volume(rme96);
2216	spin_unlock_irq(&rme96->lock);
2217
2218        return change;
2219}
2220
2221static const struct snd_kcontrol_new snd_rme96_controls[] = {
2222{
2223	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2224	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2225	.info =		snd_rme96_control_spdif_info,
2226	.get =		snd_rme96_control_spdif_get,
2227	.put =		snd_rme96_control_spdif_put
2228},
2229{
2230	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2231	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2232	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2233	.info =		snd_rme96_control_spdif_stream_info,
2234	.get =		snd_rme96_control_spdif_stream_get,
2235	.put =		snd_rme96_control_spdif_stream_put
2236},
2237{
2238	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2239	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2240	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2241	.info =		snd_rme96_control_spdif_mask_info,
2242	.get =		snd_rme96_control_spdif_mask_get,
2243	.private_value = IEC958_AES0_NONAUDIO |
2244			IEC958_AES0_PROFESSIONAL |
2245			IEC958_AES0_CON_EMPHASIS
2246},
2247{
2248	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2249	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2250	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2251	.info =		snd_rme96_control_spdif_mask_info,
2252	.get =		snd_rme96_control_spdif_mask_get,
2253	.private_value = IEC958_AES0_NONAUDIO |
2254			IEC958_AES0_PROFESSIONAL |
2255			IEC958_AES0_PRO_EMPHASIS
2256},
2257{
2258        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2259	.name =         "Input Connector",
2260	.info =         snd_rme96_info_inputtype_control, 
2261	.get =          snd_rme96_get_inputtype_control,
2262	.put =          snd_rme96_put_inputtype_control 
2263},
2264{
2265        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2266	.name =         "Loopback Input",
2267	.info =         snd_rme96_info_loopback_control,
2268	.get =          snd_rme96_get_loopback_control,
2269	.put =          snd_rme96_put_loopback_control
2270},
2271{
2272        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2273	.name =         "Sample Clock Source",
2274	.info =         snd_rme96_info_clockmode_control, 
2275	.get =          snd_rme96_get_clockmode_control,
2276	.put =          snd_rme96_put_clockmode_control
2277},
2278{
2279        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2280	.name =         "Monitor Tracks",
2281	.info =         snd_rme96_info_montracks_control, 
2282	.get =          snd_rme96_get_montracks_control,
2283	.put =          snd_rme96_put_montracks_control
2284},
2285{
2286        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2287	.name =         "Attenuation",
2288	.info =         snd_rme96_info_attenuation_control, 
2289	.get =          snd_rme96_get_attenuation_control,
2290	.put =          snd_rme96_put_attenuation_control
2291},
2292{
2293        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2294	.name =         "DAC Playback Volume",
2295	.info =         snd_rme96_dac_volume_info,
2296	.get =          snd_rme96_dac_volume_get,
2297	.put =          snd_rme96_dac_volume_put
2298}
2299};
2300
2301static int
2302snd_rme96_create_switches(struct snd_card *card,
2303			  struct rme96 *rme96)
2304{
2305	int idx, err;
2306	struct snd_kcontrol *kctl;
2307
2308	for (idx = 0; idx < 7; idx++) {
2309		kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96);
2310		err = snd_ctl_add(card, kctl);
2311		if (err < 0)
2312			return err;
2313		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2314			rme96->spdif_ctl = kctl;
2315	}
2316
2317	if (RME96_HAS_ANALOG_OUT(rme96)) {
2318		for (idx = 7; idx < 10; idx++) {
2319			err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96));
2320			if (err < 0)
2321				return err;
2322		}
2323	}
2324	
2325	return 0;
2326}
2327
2328/*
2329 * Card initialisation
2330 */
2331
2332#ifdef CONFIG_PM_SLEEP
2333
2334static int rme96_suspend(struct device *dev)
2335{
2336	struct snd_card *card = dev_get_drvdata(dev);
2337	struct rme96 *rme96 = card->private_data;
2338
2339	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2340
2341	/* save capture & playback pointers */
2342	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2343				  & RME96_RCR_AUDIO_ADDR_MASK;
2344	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2345				 & RME96_RCR_AUDIO_ADDR_MASK;
2346
2347	/* save playback and capture buffers */
2348	memcpy_fromio(rme96->playback_suspend_buffer,
2349		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2350	memcpy_fromio(rme96->capture_suspend_buffer,
2351		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2352
2353	/* disable the DAC  */
2354	rme96->areg &= ~RME96_AR_DAC_EN;
2355	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2356	return 0;
2357}
2358
2359static int rme96_resume(struct device *dev)
2360{
2361	struct snd_card *card = dev_get_drvdata(dev);
2362	struct rme96 *rme96 = card->private_data;
2363
2364	/* reset playback and record buffer pointers */
2365	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2366		  + rme96->playback_pointer);
2367	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2368		  + rme96->capture_pointer);
2369
2370	/* restore playback and capture buffers */
2371	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2372		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2373	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2374		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2375
2376	/* reset the ADC */
2377	writel(rme96->areg | RME96_AR_PD2,
2378	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2379	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2380
2381	/* reset and enable DAC, restore analog volume */
2382	snd_rme96_reset_dac(rme96);
2383	rme96->areg |= RME96_AR_DAC_EN;
2384	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2385	if (RME96_HAS_ANALOG_OUT(rme96)) {
2386		usleep_range(3000, 10000);
2387		snd_rme96_apply_dac_volume(rme96);
2388	}
2389
2390	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2391
2392	return 0;
2393}
2394
2395static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2396#define RME96_PM_OPS	&rme96_pm
2397#else
2398#define RME96_PM_OPS	NULL
2399#endif /* CONFIG_PM_SLEEP */
2400
2401static void snd_rme96_card_free(struct snd_card *card)
2402{
2403	snd_rme96_free(card->private_data);
2404}
2405
2406static int
2407__snd_rme96_probe(struct pci_dev *pci,
2408		  const struct pci_device_id *pci_id)
2409{
2410	static int dev;
2411	struct rme96 *rme96;
2412	struct snd_card *card;
2413	int err;
2414	u8 val;
2415
2416	if (dev >= SNDRV_CARDS) {
2417		return -ENODEV;
2418	}
2419	if (!enable[dev]) {
2420		dev++;
2421		return -ENOENT;
2422	}
2423	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2424				sizeof(*rme96), &card);
2425	if (err < 0)
2426		return err;
2427	card->private_free = snd_rme96_card_free;
2428	rme96 = card->private_data;
2429	rme96->card = card;
2430	rme96->pci = pci;
2431	err = snd_rme96_create(rme96);
2432	if (err)
2433		return err;
2434	
2435#ifdef CONFIG_PM_SLEEP
2436	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2437	if (!rme96->playback_suspend_buffer)
2438		return -ENOMEM;
 
 
2439	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2440	if (!rme96->capture_suspend_buffer)
2441		return -ENOMEM;
 
 
2442#endif
2443
2444	strcpy(card->driver, "Digi96");
2445	switch (rme96->pci->device) {
2446	case PCI_DEVICE_ID_RME_DIGI96:
2447		strcpy(card->shortname, "RME Digi96");
2448		break;
2449	case PCI_DEVICE_ID_RME_DIGI96_8:
2450		strcpy(card->shortname, "RME Digi96/8");
2451		break;
2452	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2453		strcpy(card->shortname, "RME Digi96/8 PRO");
2454		break;
2455	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2456		pci_read_config_byte(rme96->pci, 8, &val);
2457		if (val < 5) {
2458			strcpy(card->shortname, "RME Digi96/8 PAD");
2459		} else {
2460			strcpy(card->shortname, "RME Digi96/8 PST");
2461		}
2462		break;
2463	}
2464	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2465		rme96->port, rme96->irq);
2466	err = snd_card_register(card);
2467	if (err)
2468		return err;
2469
2470	pci_set_drvdata(pci, card);
2471	dev++;
2472	return 0;
 
 
 
2473}
2474
2475static int snd_rme96_probe(struct pci_dev *pci,
2476			   const struct pci_device_id *pci_id)
2477{
2478	return snd_card_free_on_error(&pci->dev, __snd_rme96_probe(pci, pci_id));
2479}
2480
2481static struct pci_driver rme96_driver = {
2482	.name = KBUILD_MODNAME,
2483	.id_table = snd_rme96_ids,
2484	.probe = snd_rme96_probe,
 
2485	.driver = {
2486		.pm = RME96_PM_OPS,
2487	},
2488};
2489
2490module_pci_driver(rme96_driver);
v5.4
   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	.ioctl =	snd_pcm_lib_ioctl,
1512	.hw_params =	snd_rme96_playback_hw_params,
1513	.prepare =	snd_rme96_playback_prepare,
1514	.trigger =	snd_rme96_playback_trigger,
1515	.pointer =	snd_rme96_playback_pointer,
1516	.copy_user =	snd_rme96_playback_copy,
1517	.copy_kernel =	snd_rme96_playback_copy_kernel,
1518	.fill_silence =	snd_rme96_playback_silence,
1519	.mmap =		snd_pcm_lib_mmap_iomem,
1520};
1521
1522static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1523	.open =		snd_rme96_capture_spdif_open,
1524	.close =	snd_rme96_capture_close,
1525	.ioctl =	snd_pcm_lib_ioctl,
1526	.hw_params =	snd_rme96_capture_hw_params,
1527	.prepare =	snd_rme96_capture_prepare,
1528	.trigger =	snd_rme96_capture_trigger,
1529	.pointer =	snd_rme96_capture_pointer,
1530	.copy_user =	snd_rme96_capture_copy,
1531	.copy_kernel =	snd_rme96_capture_copy_kernel,
1532	.mmap =		snd_pcm_lib_mmap_iomem,
1533};
1534
1535static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1536	.open =		snd_rme96_playback_adat_open,
1537	.close =	snd_rme96_playback_close,
1538	.ioctl =	snd_pcm_lib_ioctl,
1539	.hw_params =	snd_rme96_playback_hw_params,
1540	.prepare =	snd_rme96_playback_prepare,
1541	.trigger =	snd_rme96_playback_trigger,
1542	.pointer =	snd_rme96_playback_pointer,
1543	.copy_user =	snd_rme96_playback_copy,
1544	.copy_kernel =	snd_rme96_playback_copy_kernel,
1545	.fill_silence =	snd_rme96_playback_silence,
1546	.mmap =		snd_pcm_lib_mmap_iomem,
1547};
1548
1549static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1550	.open =		snd_rme96_capture_adat_open,
1551	.close =	snd_rme96_capture_close,
1552	.ioctl =	snd_pcm_lib_ioctl,
1553	.hw_params =	snd_rme96_capture_hw_params,
1554	.prepare =	snd_rme96_capture_prepare,
1555	.trigger =	snd_rme96_capture_trigger,
1556	.pointer =	snd_rme96_capture_pointer,
1557	.copy_user =	snd_rme96_capture_copy,
1558	.copy_kernel =	snd_rme96_capture_copy_kernel,
1559	.mmap =		snd_pcm_lib_mmap_iomem,
1560};
1561
1562static void
1563snd_rme96_free(void *private_data)
1564{
1565	struct rme96 *rme96 = (struct rme96 *)private_data;
1566
1567	if (!rme96)
1568	        return;
1569
1570	if (rme96->irq >= 0) {
1571		snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1572		rme96->areg &= ~RME96_AR_DAC_EN;
1573		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1574		free_irq(rme96->irq, (void *)rme96);
1575		rme96->irq = -1;
1576	}
1577	if (rme96->iobase) {
1578		iounmap(rme96->iobase);
1579		rme96->iobase = NULL;
1580	}
1581	if (rme96->port) {
1582		pci_release_regions(rme96->pci);
1583		rme96->port = 0;
1584	}
1585#ifdef CONFIG_PM_SLEEP
1586	vfree(rme96->playback_suspend_buffer);
1587	vfree(rme96->capture_suspend_buffer);
1588#endif
1589	pci_disable_device(rme96->pci);
1590}
1591
1592static void
1593snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1594{
1595	struct rme96 *rme96 = pcm->private_data;
1596	rme96->spdif_pcm = NULL;
1597}
1598
1599static void
1600snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1601{
1602	struct rme96 *rme96 = pcm->private_data;
1603	rme96->adat_pcm = NULL;
1604}
1605
1606static int
1607snd_rme96_create(struct rme96 *rme96)
1608{
1609	struct pci_dev *pci = rme96->pci;
1610	int err;
1611
1612	rme96->irq = -1;
1613	spin_lock_init(&rme96->lock);
1614
1615	if ((err = pci_enable_device(pci)) < 0)
 
1616		return err;
1617
1618	if ((err = pci_request_regions(pci, "RME96")) < 0)
 
1619		return err;
1620	rme96->port = pci_resource_start(rme96->pci, 0);
1621
1622	rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1623	if (!rme96->iobase) {
1624		dev_err(rme96->card->dev,
1625			"unable to remap memory region 0x%lx-0x%lx\n",
1626			rme96->port, rme96->port + RME96_IO_SIZE - 1);
1627		return -ENOMEM;
1628	}
1629
1630	if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1631			KBUILD_MODNAME, rme96)) {
1632		dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1633		return -EBUSY;
1634	}
1635	rme96->irq = pci->irq;
 
1636
1637	/* read the card's revision number */
1638	pci_read_config_byte(pci, 8, &rme96->rev);	
1639	
1640	/* set up ALSA pcm device for S/PDIF */
1641	if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1642			       1, 1, &rme96->spdif_pcm)) < 0)
1643	{
1644		return err;
1645	}
1646	rme96->spdif_pcm->private_data = rme96;
1647	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1648	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1649	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1650	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1651
1652	rme96->spdif_pcm->info_flags = 0;
1653
1654	/* set up ALSA pcm device for ADAT */
1655	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1656		/* ADAT is not available on the base model */
1657		rme96->adat_pcm = NULL;
1658	} else {
1659		if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1660				       1, 1, &rme96->adat_pcm)) < 0)
1661		{
1662			return err;
1663		}		
1664		rme96->adat_pcm->private_data = rme96;
1665		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1666		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1667		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1668		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1669		
1670		rme96->adat_pcm->info_flags = 0;
1671	}
1672
1673	rme96->playback_periodsize = 0;
1674	rme96->capture_periodsize = 0;
1675	
1676	/* make sure playback/capture is stopped, if by some reason active */
1677	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1678	
1679	/* set default values in registers */
1680	rme96->wcreg =
1681		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1682		RME96_WCR_SEL |    /* normal playback */
1683		RME96_WCR_MASTER | /* set to master clock mode */
1684		RME96_WCR_INP_0;   /* set coaxial input */
1685
1686	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1687
1688	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1689	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1690	
1691	/* reset the ADC */
1692	writel(rme96->areg | RME96_AR_PD2,
1693	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1694	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);	
1695
1696	/* reset and enable the DAC (order is important). */
1697	snd_rme96_reset_dac(rme96);
1698	rme96->areg |= RME96_AR_DAC_EN;
1699	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1700
1701	/* reset playback and record buffer pointers */
1702	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1703	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1704
1705	/* reset volume */
1706	rme96->vol[0] = rme96->vol[1] = 0;
1707	if (RME96_HAS_ANALOG_OUT(rme96)) {
1708		snd_rme96_apply_dac_volume(rme96);
1709	}
1710	
1711	/* init switch interface */
1712	if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
 
1713		return err;
1714	}
1715
1716        /* init proc interface */
1717	snd_rme96_proc_init(rme96);
1718	
1719	return 0;
1720}
1721
1722/*
1723 * proc interface
1724 */
1725
1726static void 
1727snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1728{
1729	int n;
1730	struct rme96 *rme96 = entry->private_data;
1731	
1732	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1733
1734	snd_iprintf(buffer, rme96->card->longname);
1735	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1736
1737	snd_iprintf(buffer, "\nGeneral settings\n");
1738	if (rme96->wcreg & RME96_WCR_IDIS) {
1739		snd_iprintf(buffer, "  period size: N/A (interrupts "
1740			    "disabled)\n");
1741	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1742		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1743	} else {
1744		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1745	}	
1746	snd_iprintf(buffer, "\nInput settings\n");
1747	switch (snd_rme96_getinputtype(rme96)) {
1748	case RME96_INPUT_OPTICAL:
1749		snd_iprintf(buffer, "  input: optical");
1750		break;
1751	case RME96_INPUT_COAXIAL:
1752		snd_iprintf(buffer, "  input: coaxial");
1753		break;
1754	case RME96_INPUT_INTERNAL:
1755		snd_iprintf(buffer, "  input: internal");
1756		break;
1757	case RME96_INPUT_XLR:
1758		snd_iprintf(buffer, "  input: XLR");
1759		break;
1760	case RME96_INPUT_ANALOG:
1761		snd_iprintf(buffer, "  input: analog");
1762		break;
1763	}
1764	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1765		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1766	} else {
1767		if (n) {
1768			snd_iprintf(buffer, " (8 channels)\n");
1769		} else {
1770			snd_iprintf(buffer, " (2 channels)\n");
1771		}
1772		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1773			    snd_rme96_capture_getrate(rme96, &n));
1774	}
1775	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1776		snd_iprintf(buffer, "  sample format: 24 bit\n");
1777	} else {
1778		snd_iprintf(buffer, "  sample format: 16 bit\n");
1779	}
1780	
1781	snd_iprintf(buffer, "\nOutput settings\n");
1782	if (rme96->wcreg & RME96_WCR_SEL) {
1783		snd_iprintf(buffer, "  output signal: normal playback\n");
1784	} else {
1785		snd_iprintf(buffer, "  output signal: same as input\n");
1786	}
1787	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1788		    snd_rme96_playback_getrate(rme96));
1789	if (rme96->wcreg & RME96_WCR_MODE24) {
1790		snd_iprintf(buffer, "  sample format: 24 bit\n");
1791	} else {
1792		snd_iprintf(buffer, "  sample format: 16 bit\n");
1793	}
1794	if (rme96->areg & RME96_AR_WSEL) {
1795		snd_iprintf(buffer, "  sample clock source: word clock\n");
1796	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1797		snd_iprintf(buffer, "  sample clock source: internal\n");
1798	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1799		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1800	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1801		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1802	} else {
1803		snd_iprintf(buffer, "  sample clock source: autosync\n");
1804	}
1805	if (rme96->wcreg & RME96_WCR_PRO) {
1806		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1807	} else {
1808		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1809	}
1810	if (rme96->wcreg & RME96_WCR_EMP) {
1811		snd_iprintf(buffer, "  emphasis: on\n");
1812	} else {
1813		snd_iprintf(buffer, "  emphasis: off\n");
1814	}
1815	if (rme96->wcreg & RME96_WCR_DOLBY) {
1816		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1817	} else {
1818		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1819	}
1820	if (RME96_HAS_ANALOG_IN(rme96)) {
1821		snd_iprintf(buffer, "\nAnalog output settings\n");
1822		switch (snd_rme96_getmontracks(rme96)) {
1823		case RME96_MONITOR_TRACKS_1_2:
1824			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1825			break;
1826		case RME96_MONITOR_TRACKS_3_4:
1827			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1828			break;
1829		case RME96_MONITOR_TRACKS_5_6:
1830			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1831			break;
1832		case RME96_MONITOR_TRACKS_7_8:
1833			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1834			break;
1835		}
1836		switch (snd_rme96_getattenuation(rme96)) {
1837		case RME96_ATTENUATION_0:
1838			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1839			break;
1840		case RME96_ATTENUATION_6:
1841			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1842			break;
1843		case RME96_ATTENUATION_12:
1844			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1845			break;
1846		case RME96_ATTENUATION_18:
1847			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1848			break;
1849		}
1850		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1851		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1852	}
1853}
1854
1855static void snd_rme96_proc_init(struct rme96 *rme96)
1856{
1857	snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1858}
1859
1860/*
1861 * control interface
1862 */
1863
1864#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1865
1866static int
1867snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1868{
1869	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1870	
1871	spin_lock_irq(&rme96->lock);
1872	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1873	spin_unlock_irq(&rme96->lock);
1874	return 0;
1875}
1876static int
1877snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1878{
1879	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1880	unsigned int val;
1881	int change;
1882	
1883	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1884	spin_lock_irq(&rme96->lock);
1885	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1886	change = val != rme96->wcreg;
1887	rme96->wcreg = val;
1888	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1889	spin_unlock_irq(&rme96->lock);
1890	return change;
1891}
1892
1893static int
1894snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1895{
1896	static const char * const _texts[5] = {
1897		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1898	};
1899	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1900	const char *texts[5] = {
1901		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1902	};
1903	int num_items;
1904	
1905	switch (rme96->pci->device) {
1906	case PCI_DEVICE_ID_RME_DIGI96:
1907	case PCI_DEVICE_ID_RME_DIGI96_8:
1908		num_items = 3;
1909		break;
1910	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1911		num_items = 4;
1912		break;
1913	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1914		if (rme96->rev > 4) {
1915			/* PST */
1916			num_items = 4;
1917			texts[3] = _texts[4]; /* Analog instead of XLR */
1918		} else {
1919			/* PAD */
1920			num_items = 5;
1921		}
1922		break;
1923	default:
1924		snd_BUG();
1925		return -EINVAL;
1926	}
1927	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1928}
1929static int
1930snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1931{
1932	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1933	unsigned int items = 3;
1934	
1935	spin_lock_irq(&rme96->lock);
1936	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1937	
1938	switch (rme96->pci->device) {
1939	case PCI_DEVICE_ID_RME_DIGI96:
1940	case PCI_DEVICE_ID_RME_DIGI96_8:
1941		items = 3;
1942		break;
1943	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1944		items = 4;
1945		break;
1946	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1947		if (rme96->rev > 4) {
1948			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1949			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1950				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1951			}
1952			items = 4;
1953		} else {
1954			items = 5;
1955		}
1956		break;
1957	default:
1958		snd_BUG();
1959		break;
1960	}
1961	if (ucontrol->value.enumerated.item[0] >= items) {
1962		ucontrol->value.enumerated.item[0] = items - 1;
1963	}
1964	
1965	spin_unlock_irq(&rme96->lock);
1966	return 0;
1967}
1968static int
1969snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1970{
1971	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1972	unsigned int val;
1973	int change, items = 3;
1974	
1975	switch (rme96->pci->device) {
1976	case PCI_DEVICE_ID_RME_DIGI96:
1977	case PCI_DEVICE_ID_RME_DIGI96_8:
1978		items = 3;
1979		break;
1980	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1981		items = 4;
1982		break;
1983	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1984		if (rme96->rev > 4) {
1985			items = 4;
1986		} else {
1987			items = 5;
1988		}
1989		break;
1990	default:
1991		snd_BUG();
1992		break;
1993	}
1994	val = ucontrol->value.enumerated.item[0] % items;
1995	
1996	/* special case for PST */
1997	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1998		if (val == RME96_INPUT_XLR) {
1999			val = RME96_INPUT_ANALOG;
2000		}
2001	}
2002	
2003	spin_lock_irq(&rme96->lock);
2004	change = (int)val != snd_rme96_getinputtype(rme96);
2005	snd_rme96_setinputtype(rme96, val);
2006	spin_unlock_irq(&rme96->lock);
2007	return change;
2008}
2009
2010static int
2011snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2012{
2013	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2014	
2015	return snd_ctl_enum_info(uinfo, 1, 3, texts);
2016}
2017static int
2018snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2019{
2020	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2021	
2022	spin_lock_irq(&rme96->lock);
2023	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2024	spin_unlock_irq(&rme96->lock);
2025	return 0;
2026}
2027static int
2028snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2029{
2030	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2031	unsigned int val;
2032	int change;
2033	
2034	val = ucontrol->value.enumerated.item[0] % 3;
2035	spin_lock_irq(&rme96->lock);
2036	change = (int)val != snd_rme96_getclockmode(rme96);
2037	snd_rme96_setclockmode(rme96, val);
2038	spin_unlock_irq(&rme96->lock);
2039	return change;
2040}
2041
2042static int
2043snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2044{
2045	static const char * const texts[4] = {
2046		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2047	};
2048	
2049	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2050}
2051static int
2052snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2053{
2054	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2055	
2056	spin_lock_irq(&rme96->lock);
2057	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2058	spin_unlock_irq(&rme96->lock);
2059	return 0;
2060}
2061static int
2062snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2063{
2064	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2065	unsigned int val;
2066	int change;
2067	
2068	val = ucontrol->value.enumerated.item[0] % 4;
2069	spin_lock_irq(&rme96->lock);
2070
2071	change = (int)val != snd_rme96_getattenuation(rme96);
2072	snd_rme96_setattenuation(rme96, val);
2073	spin_unlock_irq(&rme96->lock);
2074	return change;
2075}
2076
2077static int
2078snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2079{
2080	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2081	
2082	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2083}
2084static int
2085snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2086{
2087	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2088	
2089	spin_lock_irq(&rme96->lock);
2090	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2091	spin_unlock_irq(&rme96->lock);
2092	return 0;
2093}
2094static int
2095snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2096{
2097	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2098	unsigned int val;
2099	int change;
2100	
2101	val = ucontrol->value.enumerated.item[0] % 4;
2102	spin_lock_irq(&rme96->lock);
2103	change = (int)val != snd_rme96_getmontracks(rme96);
2104	snd_rme96_setmontracks(rme96, val);
2105	spin_unlock_irq(&rme96->lock);
2106	return change;
2107}
2108
2109static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2110{
2111	u32 val = 0;
2112	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2113	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2114	if (val & RME96_WCR_PRO)
2115		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2116	else
2117		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2118	return val;
2119}
2120
2121static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2122{
2123	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2124			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2125	if (val & RME96_WCR_PRO)
2126		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2127	else
2128		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2129}
2130
2131static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2132{
2133	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2134	uinfo->count = 1;
2135	return 0;
2136}
2137
2138static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139{
2140	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2141	
2142	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2143	return 0;
2144}
2145
2146static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2147{
2148	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2149	int change;
2150	u32 val;
2151	
2152	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2153	spin_lock_irq(&rme96->lock);
2154	change = val != rme96->wcreg_spdif;
2155	rme96->wcreg_spdif = val;
2156	spin_unlock_irq(&rme96->lock);
2157	return change;
2158}
2159
2160static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2161{
2162	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2163	uinfo->count = 1;
2164	return 0;
2165}
2166
2167static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2168{
2169	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2170	
2171	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2172	return 0;
2173}
2174
2175static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2176{
2177	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2178	int change;
2179	u32 val;
2180	
2181	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2182	spin_lock_irq(&rme96->lock);
2183	change = val != rme96->wcreg_spdif_stream;
2184	rme96->wcreg_spdif_stream = val;
2185	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2186	rme96->wcreg |= val;
2187	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2188	spin_unlock_irq(&rme96->lock);
2189	return change;
2190}
2191
2192static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2193{
2194	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2195	uinfo->count = 1;
2196	return 0;
2197}
2198
2199static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2200{
2201	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2202	return 0;
2203}
2204
2205static int
2206snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2207{
2208	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2209	
2210        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2211        uinfo->count = 2;
2212        uinfo->value.integer.min = 0;
2213	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2214        return 0;
2215}
2216
2217static int
2218snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2219{
2220	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2221
2222	spin_lock_irq(&rme96->lock);
2223        u->value.integer.value[0] = rme96->vol[0];
2224        u->value.integer.value[1] = rme96->vol[1];
2225	spin_unlock_irq(&rme96->lock);
2226
2227        return 0;
2228}
2229
2230static int
2231snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2232{
2233	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2234        int change = 0;
2235	unsigned int vol, maxvol;
2236
2237
2238	if (!RME96_HAS_ANALOG_OUT(rme96))
2239		return -EINVAL;
2240	maxvol = RME96_185X_MAX_OUT(rme96);
2241	spin_lock_irq(&rme96->lock);
2242	vol = u->value.integer.value[0];
2243	if (vol != rme96->vol[0] && vol <= maxvol) {
2244		rme96->vol[0] = vol;
2245		change = 1;
2246	}
2247	vol = u->value.integer.value[1];
2248	if (vol != rme96->vol[1] && vol <= maxvol) {
2249		rme96->vol[1] = vol;
2250		change = 1;
2251	}
2252	if (change)
2253		snd_rme96_apply_dac_volume(rme96);
2254	spin_unlock_irq(&rme96->lock);
2255
2256        return change;
2257}
2258
2259static struct snd_kcontrol_new snd_rme96_controls[] = {
2260{
2261	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2262	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2263	.info =		snd_rme96_control_spdif_info,
2264	.get =		snd_rme96_control_spdif_get,
2265	.put =		snd_rme96_control_spdif_put
2266},
2267{
2268	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2269	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2270	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2271	.info =		snd_rme96_control_spdif_stream_info,
2272	.get =		snd_rme96_control_spdif_stream_get,
2273	.put =		snd_rme96_control_spdif_stream_put
2274},
2275{
2276	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2277	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2278	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2279	.info =		snd_rme96_control_spdif_mask_info,
2280	.get =		snd_rme96_control_spdif_mask_get,
2281	.private_value = IEC958_AES0_NONAUDIO |
2282			IEC958_AES0_PROFESSIONAL |
2283			IEC958_AES0_CON_EMPHASIS
2284},
2285{
2286	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2287	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2288	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2289	.info =		snd_rme96_control_spdif_mask_info,
2290	.get =		snd_rme96_control_spdif_mask_get,
2291	.private_value = IEC958_AES0_NONAUDIO |
2292			IEC958_AES0_PROFESSIONAL |
2293			IEC958_AES0_PRO_EMPHASIS
2294},
2295{
2296        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2297	.name =         "Input Connector",
2298	.info =         snd_rme96_info_inputtype_control, 
2299	.get =          snd_rme96_get_inputtype_control,
2300	.put =          snd_rme96_put_inputtype_control 
2301},
2302{
2303        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2304	.name =         "Loopback Input",
2305	.info =         snd_rme96_info_loopback_control,
2306	.get =          snd_rme96_get_loopback_control,
2307	.put =          snd_rme96_put_loopback_control
2308},
2309{
2310        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2311	.name =         "Sample Clock Source",
2312	.info =         snd_rme96_info_clockmode_control, 
2313	.get =          snd_rme96_get_clockmode_control,
2314	.put =          snd_rme96_put_clockmode_control
2315},
2316{
2317        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2318	.name =         "Monitor Tracks",
2319	.info =         snd_rme96_info_montracks_control, 
2320	.get =          snd_rme96_get_montracks_control,
2321	.put =          snd_rme96_put_montracks_control
2322},
2323{
2324        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2325	.name =         "Attenuation",
2326	.info =         snd_rme96_info_attenuation_control, 
2327	.get =          snd_rme96_get_attenuation_control,
2328	.put =          snd_rme96_put_attenuation_control
2329},
2330{
2331        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2332	.name =         "DAC Playback Volume",
2333	.info =         snd_rme96_dac_volume_info,
2334	.get =          snd_rme96_dac_volume_get,
2335	.put =          snd_rme96_dac_volume_put
2336}
2337};
2338
2339static int
2340snd_rme96_create_switches(struct snd_card *card,
2341			  struct rme96 *rme96)
2342{
2343	int idx, err;
2344	struct snd_kcontrol *kctl;
2345
2346	for (idx = 0; idx < 7; idx++) {
2347		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
 
 
2348			return err;
2349		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2350			rme96->spdif_ctl = kctl;
2351	}
2352
2353	if (RME96_HAS_ANALOG_OUT(rme96)) {
2354		for (idx = 7; idx < 10; idx++)
2355			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
 
2356				return err;
 
2357	}
2358	
2359	return 0;
2360}
2361
2362/*
2363 * Card initialisation
2364 */
2365
2366#ifdef CONFIG_PM_SLEEP
2367
2368static int rme96_suspend(struct device *dev)
2369{
2370	struct snd_card *card = dev_get_drvdata(dev);
2371	struct rme96 *rme96 = card->private_data;
2372
2373	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2374
2375	/* save capture & playback pointers */
2376	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2377				  & RME96_RCR_AUDIO_ADDR_MASK;
2378	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2379				 & RME96_RCR_AUDIO_ADDR_MASK;
2380
2381	/* save playback and capture buffers */
2382	memcpy_fromio(rme96->playback_suspend_buffer,
2383		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2384	memcpy_fromio(rme96->capture_suspend_buffer,
2385		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2386
2387	/* disable the DAC  */
2388	rme96->areg &= ~RME96_AR_DAC_EN;
2389	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2390	return 0;
2391}
2392
2393static int rme96_resume(struct device *dev)
2394{
2395	struct snd_card *card = dev_get_drvdata(dev);
2396	struct rme96 *rme96 = card->private_data;
2397
2398	/* reset playback and record buffer pointers */
2399	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2400		  + rme96->playback_pointer);
2401	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2402		  + rme96->capture_pointer);
2403
2404	/* restore playback and capture buffers */
2405	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2406		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2407	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2408		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2409
2410	/* reset the ADC */
2411	writel(rme96->areg | RME96_AR_PD2,
2412	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2413	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2414
2415	/* reset and enable DAC, restore analog volume */
2416	snd_rme96_reset_dac(rme96);
2417	rme96->areg |= RME96_AR_DAC_EN;
2418	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2419	if (RME96_HAS_ANALOG_OUT(rme96)) {
2420		usleep_range(3000, 10000);
2421		snd_rme96_apply_dac_volume(rme96);
2422	}
2423
2424	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2425
2426	return 0;
2427}
2428
2429static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2430#define RME96_PM_OPS	&rme96_pm
2431#else
2432#define RME96_PM_OPS	NULL
2433#endif /* CONFIG_PM_SLEEP */
2434
2435static void snd_rme96_card_free(struct snd_card *card)
2436{
2437	snd_rme96_free(card->private_data);
2438}
2439
2440static int
2441snd_rme96_probe(struct pci_dev *pci,
2442		const struct pci_device_id *pci_id)
2443{
2444	static int dev;
2445	struct rme96 *rme96;
2446	struct snd_card *card;
2447	int err;
2448	u8 val;
2449
2450	if (dev >= SNDRV_CARDS) {
2451		return -ENODEV;
2452	}
2453	if (!enable[dev]) {
2454		dev++;
2455		return -ENOENT;
2456	}
2457	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2458			   sizeof(struct rme96), &card);
2459	if (err < 0)
2460		return err;
2461	card->private_free = snd_rme96_card_free;
2462	rme96 = card->private_data;
2463	rme96->card = card;
2464	rme96->pci = pci;
2465	err = snd_rme96_create(rme96);
2466	if (err)
2467		goto free_card;
2468	
2469#ifdef CONFIG_PM_SLEEP
2470	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2471	if (!rme96->playback_suspend_buffer) {
2472		err = -ENOMEM;
2473		goto free_card;
2474	}
2475	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2476	if (!rme96->capture_suspend_buffer) {
2477		err = -ENOMEM;
2478		goto free_card;
2479	}
2480#endif
2481
2482	strcpy(card->driver, "Digi96");
2483	switch (rme96->pci->device) {
2484	case PCI_DEVICE_ID_RME_DIGI96:
2485		strcpy(card->shortname, "RME Digi96");
2486		break;
2487	case PCI_DEVICE_ID_RME_DIGI96_8:
2488		strcpy(card->shortname, "RME Digi96/8");
2489		break;
2490	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2491		strcpy(card->shortname, "RME Digi96/8 PRO");
2492		break;
2493	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2494		pci_read_config_byte(rme96->pci, 8, &val);
2495		if (val < 5) {
2496			strcpy(card->shortname, "RME Digi96/8 PAD");
2497		} else {
2498			strcpy(card->shortname, "RME Digi96/8 PST");
2499		}
2500		break;
2501	}
2502	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2503		rme96->port, rme96->irq);
2504	err = snd_card_register(card);
2505	if (err)
2506		goto free_card;
2507
2508	pci_set_drvdata(pci, card);
2509	dev++;
2510	return 0;
2511free_card:
2512	snd_card_free(card);
2513	return err;
2514}
2515
2516static void snd_rme96_remove(struct pci_dev *pci)
 
2517{
2518	snd_card_free(pci_get_drvdata(pci));
2519}
2520
2521static struct pci_driver rme96_driver = {
2522	.name = KBUILD_MODNAME,
2523	.id_table = snd_rme96_ids,
2524	.probe = snd_rme96_probe,
2525	.remove = snd_rme96_remove,
2526	.driver = {
2527		.pm = RME96_PM_OPS,
2528	},
2529};
2530
2531module_pci_driver(rme96_driver);