xref: /kernel/linux/linux-5.10/sound/pci/rme96.c (revision 8c2ecf20)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
4 *   interfaces
5 *
6 *	Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
7 *
8 *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
9 *      code.
10 */
11
12#include <linux/delay.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/pci.h>
16#include <linux/module.h>
17#include <linux/vmalloc.h>
18#include <linux/io.h>
19
20#include <sound/core.h>
21#include <sound/info.h>
22#include <sound/control.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/asoundef.h>
26#include <sound/initval.h>
27
28/* note, two last pcis should be equal, it is not a bug */
29
30MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
31MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
32		   "Digi96/8 PAD");
33MODULE_LICENSE("GPL");
34MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
35		"{RME,Digi96/8},"
36		"{RME,Digi96/8 PRO},"
37		"{RME,Digi96/8 PST},"
38		"{RME,Digi96/8 PAD}}");
39
40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
50
51/*
52 * Defines for RME Digi96 series, from internal RME reference documents
53 * dated 12.01.00
54 */
55
56#define RME96_SPDIF_NCHANNELS 2
57
58/* Playback and capture buffer size */
59#define RME96_BUFFER_SIZE 0x10000
60
61/* IO area size */
62#define RME96_IO_SIZE 0x60000
63
64/* IO area offsets */
65#define RME96_IO_PLAY_BUFFER      0x0
66#define RME96_IO_REC_BUFFER       0x10000
67#define RME96_IO_CONTROL_REGISTER 0x20000
68#define RME96_IO_ADDITIONAL_REG   0x20004
69#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
70#define RME96_IO_CONFIRM_REC_IRQ  0x2000C
71#define RME96_IO_SET_PLAY_POS     0x40000
72#define RME96_IO_RESET_PLAY_POS   0x4FFFC
73#define RME96_IO_SET_REC_POS      0x50000
74#define RME96_IO_RESET_REC_POS    0x5FFFC
75#define RME96_IO_GET_PLAY_POS     0x20000
76#define RME96_IO_GET_REC_POS      0x30000
77
78/* Write control register bits */
79#define RME96_WCR_START     (1 << 0)
80#define RME96_WCR_START_2   (1 << 1)
81#define RME96_WCR_GAIN_0    (1 << 2)
82#define RME96_WCR_GAIN_1    (1 << 3)
83#define RME96_WCR_MODE24    (1 << 4)
84#define RME96_WCR_MODE24_2  (1 << 5)
85#define RME96_WCR_BM        (1 << 6)
86#define RME96_WCR_BM_2      (1 << 7)
87#define RME96_WCR_ADAT      (1 << 8)
88#define RME96_WCR_FREQ_0    (1 << 9)
89#define RME96_WCR_FREQ_1    (1 << 10)
90#define RME96_WCR_DS        (1 << 11)
91#define RME96_WCR_PRO       (1 << 12)
92#define RME96_WCR_EMP       (1 << 13)
93#define RME96_WCR_SEL       (1 << 14)
94#define RME96_WCR_MASTER    (1 << 15)
95#define RME96_WCR_PD        (1 << 16)
96#define RME96_WCR_INP_0     (1 << 17)
97#define RME96_WCR_INP_1     (1 << 18)
98#define RME96_WCR_THRU_0    (1 << 19)
99#define RME96_WCR_THRU_1    (1 << 20)
100#define RME96_WCR_THRU_2    (1 << 21)
101#define RME96_WCR_THRU_3    (1 << 22)
102#define RME96_WCR_THRU_4    (1 << 23)
103#define RME96_WCR_THRU_5    (1 << 24)
104#define RME96_WCR_THRU_6    (1 << 25)
105#define RME96_WCR_THRU_7    (1 << 26)
106#define RME96_WCR_DOLBY     (1 << 27)
107#define RME96_WCR_MONITOR_0 (1 << 28)
108#define RME96_WCR_MONITOR_1 (1 << 29)
109#define RME96_WCR_ISEL      (1 << 30)
110#define RME96_WCR_IDIS      (1 << 31)
111
112#define RME96_WCR_BITPOS_GAIN_0 2
113#define RME96_WCR_BITPOS_GAIN_1 3
114#define RME96_WCR_BITPOS_FREQ_0 9
115#define RME96_WCR_BITPOS_FREQ_1 10
116#define RME96_WCR_BITPOS_INP_0 17
117#define RME96_WCR_BITPOS_INP_1 18
118#define RME96_WCR_BITPOS_MONITOR_0 28
119#define RME96_WCR_BITPOS_MONITOR_1 29
120
121/* Read control register bits */
122#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
123#define RME96_RCR_IRQ_2     (1 << 16)
124#define RME96_RCR_T_OUT     (1 << 17)
125#define RME96_RCR_DEV_ID_0  (1 << 21)
126#define RME96_RCR_DEV_ID_1  (1 << 22)
127#define RME96_RCR_LOCK      (1 << 23)
128#define RME96_RCR_VERF      (1 << 26)
129#define RME96_RCR_F0        (1 << 27)
130#define RME96_RCR_F1        (1 << 28)
131#define RME96_RCR_F2        (1 << 29)
132#define RME96_RCR_AUTOSYNC  (1 << 30)
133#define RME96_RCR_IRQ       (1 << 31)
134
135#define RME96_RCR_BITPOS_F0 27
136#define RME96_RCR_BITPOS_F1 28
137#define RME96_RCR_BITPOS_F2 29
138
139/* Additional register bits */
140#define RME96_AR_WSEL       (1 << 0)
141#define RME96_AR_ANALOG     (1 << 1)
142#define RME96_AR_FREQPAD_0  (1 << 2)
143#define RME96_AR_FREQPAD_1  (1 << 3)
144#define RME96_AR_FREQPAD_2  (1 << 4)
145#define RME96_AR_PD2        (1 << 5)
146#define RME96_AR_DAC_EN     (1 << 6)
147#define RME96_AR_CLATCH     (1 << 7)
148#define RME96_AR_CCLK       (1 << 8)
149#define RME96_AR_CDATA      (1 << 9)
150
151#define RME96_AR_BITPOS_F0 2
152#define RME96_AR_BITPOS_F1 3
153#define RME96_AR_BITPOS_F2 4
154
155/* Monitor tracks */
156#define RME96_MONITOR_TRACKS_1_2 0
157#define RME96_MONITOR_TRACKS_3_4 1
158#define RME96_MONITOR_TRACKS_5_6 2
159#define RME96_MONITOR_TRACKS_7_8 3
160
161/* Attenuation */
162#define RME96_ATTENUATION_0 0
163#define RME96_ATTENUATION_6 1
164#define RME96_ATTENUATION_12 2
165#define RME96_ATTENUATION_18 3
166
167/* Input types */
168#define RME96_INPUT_OPTICAL 0
169#define RME96_INPUT_COAXIAL 1
170#define RME96_INPUT_INTERNAL 2
171#define RME96_INPUT_XLR 3
172#define RME96_INPUT_ANALOG 4
173
174/* Clock modes */
175#define RME96_CLOCKMODE_SLAVE 0
176#define RME96_CLOCKMODE_MASTER 1
177#define RME96_CLOCKMODE_WORDCLOCK 2
178
179/* Block sizes in bytes */
180#define RME96_SMALL_BLOCK_SIZE 2048
181#define RME96_LARGE_BLOCK_SIZE 8192
182
183/* Volume control */
184#define RME96_AD1852_VOL_BITS 14
185#define RME96_AD1855_VOL_BITS 10
186
187/* Defines for snd_rme96_trigger */
188#define RME96_TB_START_PLAYBACK 1
189#define RME96_TB_START_CAPTURE 2
190#define RME96_TB_STOP_PLAYBACK 4
191#define RME96_TB_STOP_CAPTURE 8
192#define RME96_TB_RESET_PLAYPOS 16
193#define RME96_TB_RESET_CAPTUREPOS 32
194#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
195#define RME96_TB_CLEAR_CAPTURE_IRQ 128
196#define RME96_RESUME_PLAYBACK	(RME96_TB_START_PLAYBACK)
197#define RME96_RESUME_CAPTURE	(RME96_TB_START_CAPTURE)
198#define RME96_RESUME_BOTH	(RME96_RESUME_PLAYBACK \
199				| RME96_RESUME_CAPTURE)
200#define RME96_START_PLAYBACK	(RME96_TB_START_PLAYBACK \
201				| RME96_TB_RESET_PLAYPOS)
202#define RME96_START_CAPTURE	(RME96_TB_START_CAPTURE \
203				| RME96_TB_RESET_CAPTUREPOS)
204#define RME96_START_BOTH	(RME96_START_PLAYBACK \
205				| RME96_START_CAPTURE)
206#define RME96_STOP_PLAYBACK	(RME96_TB_STOP_PLAYBACK \
207				| RME96_TB_CLEAR_PLAYBACK_IRQ)
208#define RME96_STOP_CAPTURE	(RME96_TB_STOP_CAPTURE \
209				| RME96_TB_CLEAR_CAPTURE_IRQ)
210#define RME96_STOP_BOTH		(RME96_STOP_PLAYBACK \
211				| RME96_STOP_CAPTURE)
212
213struct rme96 {
214	spinlock_t    lock;
215	int irq;
216	unsigned long port;
217	void __iomem *iobase;
218
219	u32 wcreg;    /* cached write control register value */
220	u32 wcreg_spdif;		/* S/PDIF setup */
221	u32 wcreg_spdif_stream;		/* S/PDIF setup (temporary) */
222	u32 rcreg;    /* cached read control register value */
223	u32 areg;     /* cached additional register value */
224	u16 vol[2]; /* cached volume of analog output */
225
226	u8 rev; /* card revision number */
227
228#ifdef CONFIG_PM_SLEEP
229	u32 playback_pointer;
230	u32 capture_pointer;
231	void *playback_suspend_buffer;
232	void *capture_suspend_buffer;
233#endif
234
235	struct snd_pcm_substream *playback_substream;
236	struct snd_pcm_substream *capture_substream;
237
238	int playback_frlog; /* log2 of framesize */
239	int capture_frlog;
240
241        size_t playback_periodsize; /* in bytes, zero if not used */
242	size_t capture_periodsize; /* in bytes, zero if not used */
243
244	struct snd_card *card;
245	struct snd_pcm *spdif_pcm;
246	struct snd_pcm *adat_pcm;
247	struct pci_dev     *pci;
248	struct snd_kcontrol   *spdif_ctl;
249};
250
251static const struct pci_device_id snd_rme96_ids[] = {
252	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
253	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
254	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
255	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
256	{ 0, }
257};
258
259MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
260
261#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
262#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
263#define	RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
264#define	RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
265				     (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
266#define	RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
267#define	RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
268			          ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
269#define	RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
270
271static int
272snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
273
274static int
275snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
276
277static int
278snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
279			   int cmd);
280
281static int
282snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
283			  int cmd);
284
285static snd_pcm_uframes_t
286snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
287
288static snd_pcm_uframes_t
289snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
290
291static void snd_rme96_proc_init(struct rme96 *rme96);
292
293static int
294snd_rme96_create_switches(struct snd_card *card,
295			  struct rme96 *rme96);
296
297static int
298snd_rme96_getinputtype(struct rme96 *rme96);
299
300static inline unsigned int
301snd_rme96_playback_ptr(struct rme96 *rme96)
302{
303	return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
304		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
305}
306
307static inline unsigned int
308snd_rme96_capture_ptr(struct rme96 *rme96)
309{
310	return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
311		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
312}
313
314static int
315snd_rme96_playback_silence(struct snd_pcm_substream *substream,
316			   int channel, unsigned long pos, unsigned long count)
317{
318	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
319
320	memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
321		  0, count);
322	return 0;
323}
324
325static int
326snd_rme96_playback_copy(struct snd_pcm_substream *substream,
327			int channel, unsigned long pos,
328			void __user *src, unsigned long count)
329{
330	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
331
332	return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
333				   src, count);
334}
335
336static int
337snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream,
338			       int channel, unsigned long pos,
339			       void *src, unsigned long count)
340{
341	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
342
343	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count);
344	return 0;
345}
346
347static int
348snd_rme96_capture_copy(struct snd_pcm_substream *substream,
349		       int channel, unsigned long pos,
350		       void __user *dst, unsigned long count)
351{
352	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
353
354	return copy_to_user_fromio(dst,
355				   rme96->iobase + RME96_IO_REC_BUFFER + pos,
356				   count);
357}
358
359static int
360snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream,
361			      int channel, unsigned long pos,
362			      void *dst, unsigned long count)
363{
364	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
365
366	memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count);
367	return 0;
368}
369
370/*
371 * Digital output capabilities (S/PDIF)
372 */
373static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
374{
375	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
376			      SNDRV_PCM_INFO_MMAP_VALID |
377			      SNDRV_PCM_INFO_SYNC_START |
378			      SNDRV_PCM_INFO_RESUME |
379			      SNDRV_PCM_INFO_INTERLEAVED |
380			      SNDRV_PCM_INFO_PAUSE),
381	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
382			      SNDRV_PCM_FMTBIT_S32_LE),
383	.rates =	     (SNDRV_PCM_RATE_32000 |
384			      SNDRV_PCM_RATE_44100 |
385			      SNDRV_PCM_RATE_48000 |
386			      SNDRV_PCM_RATE_64000 |
387			      SNDRV_PCM_RATE_88200 |
388			      SNDRV_PCM_RATE_96000),
389	.rate_min =	     32000,
390	.rate_max =	     96000,
391	.channels_min =	     2,
392	.channels_max =	     2,
393	.buffer_bytes_max =  RME96_BUFFER_SIZE,
394	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
395	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
396	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
397	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
398	.fifo_size =	     0,
399};
400
401/*
402 * Digital input capabilities (S/PDIF)
403 */
404static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
405{
406	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
407			      SNDRV_PCM_INFO_MMAP_VALID |
408			      SNDRV_PCM_INFO_SYNC_START |
409			      SNDRV_PCM_INFO_RESUME |
410			      SNDRV_PCM_INFO_INTERLEAVED |
411			      SNDRV_PCM_INFO_PAUSE),
412	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
413			      SNDRV_PCM_FMTBIT_S32_LE),
414	.rates =	     (SNDRV_PCM_RATE_32000 |
415			      SNDRV_PCM_RATE_44100 |
416			      SNDRV_PCM_RATE_48000 |
417			      SNDRV_PCM_RATE_64000 |
418			      SNDRV_PCM_RATE_88200 |
419			      SNDRV_PCM_RATE_96000),
420	.rate_min =	     32000,
421	.rate_max =	     96000,
422	.channels_min =	     2,
423	.channels_max =	     2,
424	.buffer_bytes_max =  RME96_BUFFER_SIZE,
425	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
426	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
427	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
428	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
429	.fifo_size =	     0,
430};
431
432/*
433 * Digital output capabilities (ADAT)
434 */
435static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
436{
437	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
438			      SNDRV_PCM_INFO_MMAP_VALID |
439			      SNDRV_PCM_INFO_SYNC_START |
440			      SNDRV_PCM_INFO_RESUME |
441			      SNDRV_PCM_INFO_INTERLEAVED |
442			      SNDRV_PCM_INFO_PAUSE),
443	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
444			      SNDRV_PCM_FMTBIT_S32_LE),
445	.rates =             (SNDRV_PCM_RATE_44100 |
446			      SNDRV_PCM_RATE_48000),
447	.rate_min =          44100,
448	.rate_max =          48000,
449	.channels_min =      8,
450	.channels_max =	     8,
451	.buffer_bytes_max =  RME96_BUFFER_SIZE,
452	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
453	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
454	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
455	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
456	.fifo_size =	     0,
457};
458
459/*
460 * Digital input capabilities (ADAT)
461 */
462static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
463{
464	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
465			      SNDRV_PCM_INFO_MMAP_VALID |
466			      SNDRV_PCM_INFO_SYNC_START |
467			      SNDRV_PCM_INFO_RESUME |
468			      SNDRV_PCM_INFO_INTERLEAVED |
469			      SNDRV_PCM_INFO_PAUSE),
470	.formats =	     (SNDRV_PCM_FMTBIT_S16_LE |
471			      SNDRV_PCM_FMTBIT_S32_LE),
472	.rates =	     (SNDRV_PCM_RATE_44100 |
473			      SNDRV_PCM_RATE_48000),
474	.rate_min =          44100,
475	.rate_max =          48000,
476	.channels_min =      8,
477	.channels_max =	     8,
478	.buffer_bytes_max =  RME96_BUFFER_SIZE,
479	.period_bytes_min =  RME96_SMALL_BLOCK_SIZE,
480	.period_bytes_max =  RME96_LARGE_BLOCK_SIZE,
481	.periods_min =	     RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
482	.periods_max =	     RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
483	.fifo_size =         0,
484};
485
486/*
487 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
488 * of the AD1852 or AD1852 D/A converter on the board.  CDATA must be set up
489 * on the falling edge of CCLK and be stable on the rising edge.  The rising
490 * edge of CLATCH after the last data bit clocks in the whole data word.
491 * A fast processor could probably drive the SPI interface faster than the
492 * DAC can handle (3MHz for the 1855, unknown for the 1852).  The udelay(1)
493 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
494 *
495 * NOTE: increased delay from 1 to 10, since there where problems setting
496 * the volume.
497 */
498static void
499snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
500{
501	int i;
502
503	for (i = 0; i < 16; i++) {
504		if (val & 0x8000) {
505			rme96->areg |= RME96_AR_CDATA;
506		} else {
507			rme96->areg &= ~RME96_AR_CDATA;
508		}
509		rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
510		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
511		udelay(10);
512		rme96->areg |= RME96_AR_CCLK;
513		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
514		udelay(10);
515		val <<= 1;
516	}
517	rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
518	rme96->areg |= RME96_AR_CLATCH;
519	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
520	udelay(10);
521	rme96->areg &= ~RME96_AR_CLATCH;
522	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
523}
524
525static void
526snd_rme96_apply_dac_volume(struct rme96 *rme96)
527{
528	if (RME96_DAC_IS_1852(rme96)) {
529		snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
530		snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
531	} else if (RME96_DAC_IS_1855(rme96)) {
532		snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
533		snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
534	}
535}
536
537static void
538snd_rme96_reset_dac(struct rme96 *rme96)
539{
540	writel(rme96->wcreg | RME96_WCR_PD,
541	       rme96->iobase + RME96_IO_CONTROL_REGISTER);
542	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
543}
544
545static int
546snd_rme96_getmontracks(struct rme96 *rme96)
547{
548	return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
549		(((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
550}
551
552static int
553snd_rme96_setmontracks(struct rme96 *rme96,
554		       int montracks)
555{
556	if (montracks & 1) {
557		rme96->wcreg |= RME96_WCR_MONITOR_0;
558	} else {
559		rme96->wcreg &= ~RME96_WCR_MONITOR_0;
560	}
561	if (montracks & 2) {
562		rme96->wcreg |= RME96_WCR_MONITOR_1;
563	} else {
564		rme96->wcreg &= ~RME96_WCR_MONITOR_1;
565	}
566	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
567	return 0;
568}
569
570static int
571snd_rme96_getattenuation(struct rme96 *rme96)
572{
573	return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
574		(((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
575}
576
577static int
578snd_rme96_setattenuation(struct rme96 *rme96,
579			 int attenuation)
580{
581	switch (attenuation) {
582	case 0:
583		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
584			~RME96_WCR_GAIN_1;
585		break;
586	case 1:
587		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
588			~RME96_WCR_GAIN_1;
589		break;
590	case 2:
591		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
592			RME96_WCR_GAIN_1;
593		break;
594	case 3:
595		rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
596			RME96_WCR_GAIN_1;
597		break;
598	default:
599		return -EINVAL;
600	}
601	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
602	return 0;
603}
604
605static int
606snd_rme96_capture_getrate(struct rme96 *rme96,
607			  int *is_adat)
608{
609	int n, rate;
610
611	*is_adat = 0;
612	if (rme96->areg & RME96_AR_ANALOG) {
613		/* Analog input, overrides S/PDIF setting */
614		n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
615			(((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
616		switch (n) {
617		case 1:
618			rate = 32000;
619			break;
620		case 2:
621			rate = 44100;
622			break;
623		case 3:
624			rate = 48000;
625			break;
626		default:
627			return -1;
628		}
629		return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
630	}
631
632	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
633	if (rme96->rcreg & RME96_RCR_LOCK) {
634		/* ADAT rate */
635		*is_adat = 1;
636		if (rme96->rcreg & RME96_RCR_T_OUT) {
637			return 48000;
638		}
639		return 44100;
640	}
641
642	if (rme96->rcreg & RME96_RCR_VERF) {
643		return -1;
644	}
645
646	/* S/PDIF rate */
647	n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
648		(((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
649		(((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
650
651	switch (n) {
652	case 0:
653		if (rme96->rcreg & RME96_RCR_T_OUT) {
654			return 64000;
655		}
656		return -1;
657	case 3: return 96000;
658	case 4: return 88200;
659	case 5: return 48000;
660	case 6: return 44100;
661	case 7: return 32000;
662	default:
663		break;
664	}
665	return -1;
666}
667
668static int
669snd_rme96_playback_getrate(struct rme96 *rme96)
670{
671	int rate, dummy;
672
673	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
674            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
675	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
676	{
677	        /* slave clock */
678	        return rate;
679	}
680	rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
681		(((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
682	switch (rate) {
683	case 1:
684		rate = 32000;
685		break;
686	case 2:
687		rate = 44100;
688		break;
689	case 3:
690		rate = 48000;
691		break;
692	default:
693		return -1;
694	}
695	return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
696}
697
698static int
699snd_rme96_playback_setrate(struct rme96 *rme96,
700			   int rate)
701{
702	int ds;
703
704	ds = rme96->wcreg & RME96_WCR_DS;
705	switch (rate) {
706	case 32000:
707		rme96->wcreg &= ~RME96_WCR_DS;
708		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
709			~RME96_WCR_FREQ_1;
710		break;
711	case 44100:
712		rme96->wcreg &= ~RME96_WCR_DS;
713		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
714			~RME96_WCR_FREQ_0;
715		break;
716	case 48000:
717		rme96->wcreg &= ~RME96_WCR_DS;
718		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
719			RME96_WCR_FREQ_1;
720		break;
721	case 64000:
722		rme96->wcreg |= RME96_WCR_DS;
723		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
724			~RME96_WCR_FREQ_1;
725		break;
726	case 88200:
727		rme96->wcreg |= RME96_WCR_DS;
728		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
729			~RME96_WCR_FREQ_0;
730		break;
731	case 96000:
732		rme96->wcreg |= RME96_WCR_DS;
733		rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
734			RME96_WCR_FREQ_1;
735		break;
736	default:
737		return -EINVAL;
738	}
739	if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
740	    (ds && !(rme96->wcreg & RME96_WCR_DS)))
741	{
742		/* change to/from double-speed: reset the DAC (if available) */
743		snd_rme96_reset_dac(rme96);
744		return 1; /* need to restore volume */
745	} else {
746		writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
747		return 0;
748	}
749}
750
751static int
752snd_rme96_capture_analog_setrate(struct rme96 *rme96,
753				 int rate)
754{
755	switch (rate) {
756	case 32000:
757		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
758			       ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
759		break;
760	case 44100:
761		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
762			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
763		break;
764	case 48000:
765		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
766			       RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
767		break;
768	case 64000:
769		if (rme96->rev < 4) {
770			return -EINVAL;
771		}
772		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
773			       ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
774		break;
775	case 88200:
776		if (rme96->rev < 4) {
777			return -EINVAL;
778		}
779		rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
780			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
781		break;
782	case 96000:
783		rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
784			       RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
785		break;
786	default:
787		return -EINVAL;
788	}
789	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
790	return 0;
791}
792
793static int
794snd_rme96_setclockmode(struct rme96 *rme96,
795		       int mode)
796{
797	switch (mode) {
798	case RME96_CLOCKMODE_SLAVE:
799	        /* AutoSync */
800		rme96->wcreg &= ~RME96_WCR_MASTER;
801		rme96->areg &= ~RME96_AR_WSEL;
802		break;
803	case RME96_CLOCKMODE_MASTER:
804	        /* Internal */
805		rme96->wcreg |= RME96_WCR_MASTER;
806		rme96->areg &= ~RME96_AR_WSEL;
807		break;
808	case RME96_CLOCKMODE_WORDCLOCK:
809		/* Word clock is a master mode */
810		rme96->wcreg |= RME96_WCR_MASTER;
811		rme96->areg |= RME96_AR_WSEL;
812		break;
813	default:
814		return -EINVAL;
815	}
816	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
817	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
818	return 0;
819}
820
821static int
822snd_rme96_getclockmode(struct rme96 *rme96)
823{
824	if (rme96->areg & RME96_AR_WSEL) {
825		return RME96_CLOCKMODE_WORDCLOCK;
826	}
827	return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
828		RME96_CLOCKMODE_SLAVE;
829}
830
831static int
832snd_rme96_setinputtype(struct rme96 *rme96,
833		       int type)
834{
835	int n;
836
837	switch (type) {
838	case RME96_INPUT_OPTICAL:
839		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
840			~RME96_WCR_INP_1;
841		break;
842	case RME96_INPUT_COAXIAL:
843		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
844			~RME96_WCR_INP_1;
845		break;
846	case RME96_INPUT_INTERNAL:
847		rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
848			RME96_WCR_INP_1;
849		break;
850	case RME96_INPUT_XLR:
851		if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
852		     rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
853		    (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
854		     rme96->rev > 4))
855		{
856			/* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
857			return -EINVAL;
858		}
859		rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
860			RME96_WCR_INP_1;
861		break;
862	case RME96_INPUT_ANALOG:
863		if (!RME96_HAS_ANALOG_IN(rme96)) {
864			return -EINVAL;
865		}
866		rme96->areg |= RME96_AR_ANALOG;
867		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
868		if (rme96->rev < 4) {
869			/*
870			 * Revision less than 004 does not support 64 and
871			 * 88.2 kHz
872			 */
873			if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
874				snd_rme96_capture_analog_setrate(rme96, 44100);
875			}
876			if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
877				snd_rme96_capture_analog_setrate(rme96, 32000);
878			}
879		}
880		return 0;
881	default:
882		return -EINVAL;
883	}
884	if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
885		rme96->areg &= ~RME96_AR_ANALOG;
886		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
887	}
888	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
889	return 0;
890}
891
892static int
893snd_rme96_getinputtype(struct rme96 *rme96)
894{
895	if (rme96->areg & RME96_AR_ANALOG) {
896		return RME96_INPUT_ANALOG;
897	}
898	return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
899		(((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
900}
901
902static void
903snd_rme96_setframelog(struct rme96 *rme96,
904		      int n_channels,
905		      int is_playback)
906{
907	int frlog;
908
909	if (n_channels == 2) {
910		frlog = 1;
911	} else {
912		/* assume 8 channels */
913		frlog = 3;
914	}
915	if (is_playback) {
916		frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
917		rme96->playback_frlog = frlog;
918	} else {
919		frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
920		rme96->capture_frlog = frlog;
921	}
922}
923
924static int
925snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
926{
927	switch (format) {
928	case SNDRV_PCM_FORMAT_S16_LE:
929		rme96->wcreg &= ~RME96_WCR_MODE24;
930		break;
931	case SNDRV_PCM_FORMAT_S32_LE:
932		rme96->wcreg |= RME96_WCR_MODE24;
933		break;
934	default:
935		return -EINVAL;
936	}
937	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
938	return 0;
939}
940
941static int
942snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
943{
944	switch (format) {
945	case SNDRV_PCM_FORMAT_S16_LE:
946		rme96->wcreg &= ~RME96_WCR_MODE24_2;
947		break;
948	case SNDRV_PCM_FORMAT_S32_LE:
949		rme96->wcreg |= RME96_WCR_MODE24_2;
950		break;
951	default:
952		return -EINVAL;
953	}
954	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
955	return 0;
956}
957
958static void
959snd_rme96_set_period_properties(struct rme96 *rme96,
960				size_t period_bytes)
961{
962	switch (period_bytes) {
963	case RME96_LARGE_BLOCK_SIZE:
964		rme96->wcreg &= ~RME96_WCR_ISEL;
965		break;
966	case RME96_SMALL_BLOCK_SIZE:
967		rme96->wcreg |= RME96_WCR_ISEL;
968		break;
969	default:
970		snd_BUG();
971		break;
972	}
973	rme96->wcreg &= ~RME96_WCR_IDIS;
974	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
975}
976
977static int
978snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
979			     struct snd_pcm_hw_params *params)
980{
981	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
982	struct snd_pcm_runtime *runtime = substream->runtime;
983	int err, rate, dummy;
984	bool apply_dac_volume = false;
985
986	runtime->dma_area = (void __force *)(rme96->iobase +
987					     RME96_IO_PLAY_BUFFER);
988	runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
989	runtime->dma_bytes = RME96_BUFFER_SIZE;
990
991	spin_lock_irq(&rme96->lock);
992	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
993            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
994	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
995	{
996                /* slave clock */
997                if ((int)params_rate(params) != rate) {
998			err = -EIO;
999			goto error;
1000		}
1001	} else {
1002		err = snd_rme96_playback_setrate(rme96, params_rate(params));
1003		if (err < 0)
1004			goto error;
1005		apply_dac_volume = err > 0; /* need to restore volume later? */
1006	}
1007
1008	err = snd_rme96_playback_setformat(rme96, params_format(params));
1009	if (err < 0)
1010		goto error;
1011	snd_rme96_setframelog(rme96, params_channels(params), 1);
1012	if (rme96->capture_periodsize != 0) {
1013		if (params_period_size(params) << rme96->playback_frlog !=
1014		    rme96->capture_periodsize)
1015		{
1016			err = -EBUSY;
1017			goto error;
1018		}
1019	}
1020	rme96->playback_periodsize =
1021		params_period_size(params) << rme96->playback_frlog;
1022	snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1023	/* S/PDIF setup */
1024	if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1025		rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1026		writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1027	}
1028
1029	err = 0;
1030 error:
1031	spin_unlock_irq(&rme96->lock);
1032	if (apply_dac_volume) {
1033		usleep_range(3000, 10000);
1034		snd_rme96_apply_dac_volume(rme96);
1035	}
1036
1037	return err;
1038}
1039
1040static int
1041snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1042			    struct snd_pcm_hw_params *params)
1043{
1044	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1045	struct snd_pcm_runtime *runtime = substream->runtime;
1046	int err, isadat, rate;
1047
1048	runtime->dma_area = (void __force *)(rme96->iobase +
1049					     RME96_IO_REC_BUFFER);
1050	runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1051	runtime->dma_bytes = RME96_BUFFER_SIZE;
1052
1053	spin_lock_irq(&rme96->lock);
1054	if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1055		spin_unlock_irq(&rme96->lock);
1056		return err;
1057	}
1058	if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1059		if ((err = snd_rme96_capture_analog_setrate(rme96,
1060							    params_rate(params))) < 0)
1061		{
1062			spin_unlock_irq(&rme96->lock);
1063			return err;
1064		}
1065	} else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1066                if ((int)params_rate(params) != rate) {
1067			spin_unlock_irq(&rme96->lock);
1068			return -EIO;
1069                }
1070                if ((isadat && runtime->hw.channels_min == 2) ||
1071                    (!isadat && runtime->hw.channels_min == 8))
1072                {
1073			spin_unlock_irq(&rme96->lock);
1074			return -EIO;
1075                }
1076        }
1077	snd_rme96_setframelog(rme96, params_channels(params), 0);
1078	if (rme96->playback_periodsize != 0) {
1079		if (params_period_size(params) << rme96->capture_frlog !=
1080		    rme96->playback_periodsize)
1081		{
1082			spin_unlock_irq(&rme96->lock);
1083			return -EBUSY;
1084		}
1085	}
1086	rme96->capture_periodsize =
1087		params_period_size(params) << rme96->capture_frlog;
1088	snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1089	spin_unlock_irq(&rme96->lock);
1090
1091	return 0;
1092}
1093
1094static void
1095snd_rme96_trigger(struct rme96 *rme96,
1096		  int op)
1097{
1098	if (op & RME96_TB_RESET_PLAYPOS)
1099		writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1100	if (op & RME96_TB_RESET_CAPTUREPOS)
1101		writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1102	if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1103		rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1104		if (rme96->rcreg & RME96_RCR_IRQ)
1105			writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1106	}
1107	if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1108		rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1109		if (rme96->rcreg & RME96_RCR_IRQ_2)
1110			writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1111	}
1112	if (op & RME96_TB_START_PLAYBACK)
1113		rme96->wcreg |= RME96_WCR_START;
1114	if (op & RME96_TB_STOP_PLAYBACK)
1115		rme96->wcreg &= ~RME96_WCR_START;
1116	if (op & RME96_TB_START_CAPTURE)
1117		rme96->wcreg |= RME96_WCR_START_2;
1118	if (op & RME96_TB_STOP_CAPTURE)
1119		rme96->wcreg &= ~RME96_WCR_START_2;
1120	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1121}
1122
1123
1124
1125static irqreturn_t
1126snd_rme96_interrupt(int irq,
1127		    void *dev_id)
1128{
1129	struct rme96 *rme96 = (struct rme96 *)dev_id;
1130
1131	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1132	/* fastpath out, to ease interrupt sharing */
1133	if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1134	      (rme96->rcreg & RME96_RCR_IRQ_2)))
1135	{
1136		return IRQ_NONE;
1137	}
1138
1139	if (rme96->rcreg & RME96_RCR_IRQ) {
1140		/* playback */
1141                snd_pcm_period_elapsed(rme96->playback_substream);
1142		writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1143	}
1144	if (rme96->rcreg & RME96_RCR_IRQ_2) {
1145		/* capture */
1146		snd_pcm_period_elapsed(rme96->capture_substream);
1147		writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1148	}
1149	return IRQ_HANDLED;
1150}
1151
1152static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1155	.count = ARRAY_SIZE(period_bytes),
1156	.list = period_bytes,
1157	.mask = 0
1158};
1159
1160static void
1161rme96_set_buffer_size_constraint(struct rme96 *rme96,
1162				 struct snd_pcm_runtime *runtime)
1163{
1164	unsigned int size;
1165
1166	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1167				     RME96_BUFFER_SIZE);
1168	if ((size = rme96->playback_periodsize) != 0 ||
1169	    (size = rme96->capture_periodsize) != 0)
1170		snd_pcm_hw_constraint_single(runtime,
1171					     SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1172					     size);
1173	else
1174		snd_pcm_hw_constraint_list(runtime, 0,
1175					   SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1176					   &hw_constraints_period_bytes);
1177}
1178
1179static int
1180snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1181{
1182        int rate, dummy;
1183	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1184	struct snd_pcm_runtime *runtime = substream->runtime;
1185
1186	snd_pcm_set_sync(substream);
1187	spin_lock_irq(&rme96->lock);
1188	if (rme96->playback_substream) {
1189		spin_unlock_irq(&rme96->lock);
1190                return -EBUSY;
1191        }
1192	rme96->wcreg &= ~RME96_WCR_ADAT;
1193	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1194	rme96->playback_substream = substream;
1195	spin_unlock_irq(&rme96->lock);
1196
1197	runtime->hw = snd_rme96_playback_spdif_info;
1198	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1199            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1200	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1201	{
1202                /* slave clock */
1203                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1204                runtime->hw.rate_min = rate;
1205                runtime->hw.rate_max = rate;
1206	}
1207	rme96_set_buffer_size_constraint(rme96, runtime);
1208
1209	rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1210	rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1211	snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1212		       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1213	return 0;
1214}
1215
1216static int
1217snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1218{
1219        int isadat, rate;
1220	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1221	struct snd_pcm_runtime *runtime = substream->runtime;
1222
1223	snd_pcm_set_sync(substream);
1224	runtime->hw = snd_rme96_capture_spdif_info;
1225        if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1226            (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1227        {
1228                if (isadat) {
1229                        return -EIO;
1230                }
1231                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1232                runtime->hw.rate_min = rate;
1233                runtime->hw.rate_max = rate;
1234        }
1235
1236	spin_lock_irq(&rme96->lock);
1237	if (rme96->capture_substream) {
1238		spin_unlock_irq(&rme96->lock);
1239                return -EBUSY;
1240        }
1241	rme96->capture_substream = substream;
1242	spin_unlock_irq(&rme96->lock);
1243
1244	rme96_set_buffer_size_constraint(rme96, runtime);
1245	return 0;
1246}
1247
1248static int
1249snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1250{
1251        int rate, dummy;
1252	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1253	struct snd_pcm_runtime *runtime = substream->runtime;
1254
1255	snd_pcm_set_sync(substream);
1256	spin_lock_irq(&rme96->lock);
1257	if (rme96->playback_substream) {
1258		spin_unlock_irq(&rme96->lock);
1259                return -EBUSY;
1260        }
1261	rme96->wcreg |= RME96_WCR_ADAT;
1262	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1263	rme96->playback_substream = substream;
1264	spin_unlock_irq(&rme96->lock);
1265
1266	runtime->hw = snd_rme96_playback_adat_info;
1267	if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1268            snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1269	    (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1270	{
1271                /* slave clock */
1272                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1273                runtime->hw.rate_min = rate;
1274                runtime->hw.rate_max = rate;
1275	}
1276	rme96_set_buffer_size_constraint(rme96, runtime);
1277	return 0;
1278}
1279
1280static int
1281snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1282{
1283        int isadat, rate;
1284	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1285	struct snd_pcm_runtime *runtime = substream->runtime;
1286
1287	snd_pcm_set_sync(substream);
1288	runtime->hw = snd_rme96_capture_adat_info;
1289        if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1290                /* makes no sense to use analog input. Note that analog
1291                   expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1292                return -EIO;
1293        }
1294        if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1295                if (!isadat) {
1296                        return -EIO;
1297                }
1298                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1299                runtime->hw.rate_min = rate;
1300                runtime->hw.rate_max = rate;
1301        }
1302
1303	spin_lock_irq(&rme96->lock);
1304	if (rme96->capture_substream) {
1305		spin_unlock_irq(&rme96->lock);
1306                return -EBUSY;
1307        }
1308	rme96->capture_substream = substream;
1309	spin_unlock_irq(&rme96->lock);
1310
1311	rme96_set_buffer_size_constraint(rme96, runtime);
1312	return 0;
1313}
1314
1315static int
1316snd_rme96_playback_close(struct snd_pcm_substream *substream)
1317{
1318	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1319	int spdif = 0;
1320
1321	spin_lock_irq(&rme96->lock);
1322	if (RME96_ISPLAYING(rme96)) {
1323		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1324	}
1325	rme96->playback_substream = NULL;
1326	rme96->playback_periodsize = 0;
1327	spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1328	spin_unlock_irq(&rme96->lock);
1329	if (spdif) {
1330		rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1331		snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1332			       SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1333	}
1334	return 0;
1335}
1336
1337static int
1338snd_rme96_capture_close(struct snd_pcm_substream *substream)
1339{
1340	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1341
1342	spin_lock_irq(&rme96->lock);
1343	if (RME96_ISRECORDING(rme96)) {
1344		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1345	}
1346	rme96->capture_substream = NULL;
1347	rme96->capture_periodsize = 0;
1348	spin_unlock_irq(&rme96->lock);
1349	return 0;
1350}
1351
1352static int
1353snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1354{
1355	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1356
1357	spin_lock_irq(&rme96->lock);
1358	if (RME96_ISPLAYING(rme96)) {
1359		snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1360	}
1361	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1362	spin_unlock_irq(&rme96->lock);
1363	return 0;
1364}
1365
1366static int
1367snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1368{
1369	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1370
1371	spin_lock_irq(&rme96->lock);
1372	if (RME96_ISRECORDING(rme96)) {
1373		snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1374	}
1375	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1376	spin_unlock_irq(&rme96->lock);
1377	return 0;
1378}
1379
1380static int
1381snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1382			   int cmd)
1383{
1384	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1385	struct snd_pcm_substream *s;
1386	bool sync;
1387
1388	snd_pcm_group_for_each_entry(s, substream) {
1389		if (snd_pcm_substream_chip(s) == rme96)
1390			snd_pcm_trigger_done(s, substream);
1391	}
1392
1393	sync = (rme96->playback_substream && rme96->capture_substream) &&
1394	       (rme96->playback_substream->group ==
1395		rme96->capture_substream->group);
1396
1397	switch (cmd) {
1398	case SNDRV_PCM_TRIGGER_START:
1399		if (!RME96_ISPLAYING(rme96)) {
1400			if (substream != rme96->playback_substream)
1401				return -EBUSY;
1402			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1403						 : RME96_START_PLAYBACK);
1404		}
1405		break;
1406
1407	case SNDRV_PCM_TRIGGER_SUSPEND:
1408	case SNDRV_PCM_TRIGGER_STOP:
1409		if (RME96_ISPLAYING(rme96)) {
1410			if (substream != rme96->playback_substream)
1411				return -EBUSY;
1412			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1413						 :  RME96_STOP_PLAYBACK);
1414		}
1415		break;
1416
1417	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1418		if (RME96_ISPLAYING(rme96))
1419			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1420						 : RME96_STOP_PLAYBACK);
1421		break;
1422
1423	case SNDRV_PCM_TRIGGER_RESUME:
1424	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1425		if (!RME96_ISPLAYING(rme96))
1426			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1427						 : RME96_RESUME_PLAYBACK);
1428		break;
1429
1430	default:
1431		return -EINVAL;
1432	}
1433
1434	return 0;
1435}
1436
1437static int
1438snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1439			  int cmd)
1440{
1441	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1442	struct snd_pcm_substream *s;
1443	bool sync;
1444
1445	snd_pcm_group_for_each_entry(s, substream) {
1446		if (snd_pcm_substream_chip(s) == rme96)
1447			snd_pcm_trigger_done(s, substream);
1448	}
1449
1450	sync = (rme96->playback_substream && rme96->capture_substream) &&
1451	       (rme96->playback_substream->group ==
1452		rme96->capture_substream->group);
1453
1454	switch (cmd) {
1455	case SNDRV_PCM_TRIGGER_START:
1456		if (!RME96_ISRECORDING(rme96)) {
1457			if (substream != rme96->capture_substream)
1458				return -EBUSY;
1459			snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1460						 : RME96_START_CAPTURE);
1461		}
1462		break;
1463
1464	case SNDRV_PCM_TRIGGER_SUSPEND:
1465	case SNDRV_PCM_TRIGGER_STOP:
1466		if (RME96_ISRECORDING(rme96)) {
1467			if (substream != rme96->capture_substream)
1468				return -EBUSY;
1469			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1470						 : RME96_STOP_CAPTURE);
1471		}
1472		break;
1473
1474	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1475		if (RME96_ISRECORDING(rme96))
1476			snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1477						 : RME96_STOP_CAPTURE);
1478		break;
1479
1480	case SNDRV_PCM_TRIGGER_RESUME:
1481	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1482		if (!RME96_ISRECORDING(rme96))
1483			snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1484						 : RME96_RESUME_CAPTURE);
1485		break;
1486
1487	default:
1488		return -EINVAL;
1489	}
1490
1491	return 0;
1492}
1493
1494static snd_pcm_uframes_t
1495snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1496{
1497	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1498	return snd_rme96_playback_ptr(rme96);
1499}
1500
1501static snd_pcm_uframes_t
1502snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1503{
1504	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1505	return snd_rme96_capture_ptr(rme96);
1506}
1507
1508static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1509	.open =		snd_rme96_playback_spdif_open,
1510	.close =	snd_rme96_playback_close,
1511	.hw_params =	snd_rme96_playback_hw_params,
1512	.prepare =	snd_rme96_playback_prepare,
1513	.trigger =	snd_rme96_playback_trigger,
1514	.pointer =	snd_rme96_playback_pointer,
1515	.copy_user =	snd_rme96_playback_copy,
1516	.copy_kernel =	snd_rme96_playback_copy_kernel,
1517	.fill_silence =	snd_rme96_playback_silence,
1518	.mmap =		snd_pcm_lib_mmap_iomem,
1519};
1520
1521static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1522	.open =		snd_rme96_capture_spdif_open,
1523	.close =	snd_rme96_capture_close,
1524	.hw_params =	snd_rme96_capture_hw_params,
1525	.prepare =	snd_rme96_capture_prepare,
1526	.trigger =	snd_rme96_capture_trigger,
1527	.pointer =	snd_rme96_capture_pointer,
1528	.copy_user =	snd_rme96_capture_copy,
1529	.copy_kernel =	snd_rme96_capture_copy_kernel,
1530	.mmap =		snd_pcm_lib_mmap_iomem,
1531};
1532
1533static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1534	.open =		snd_rme96_playback_adat_open,
1535	.close =	snd_rme96_playback_close,
1536	.hw_params =	snd_rme96_playback_hw_params,
1537	.prepare =	snd_rme96_playback_prepare,
1538	.trigger =	snd_rme96_playback_trigger,
1539	.pointer =	snd_rme96_playback_pointer,
1540	.copy_user =	snd_rme96_playback_copy,
1541	.copy_kernel =	snd_rme96_playback_copy_kernel,
1542	.fill_silence =	snd_rme96_playback_silence,
1543	.mmap =		snd_pcm_lib_mmap_iomem,
1544};
1545
1546static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1547	.open =		snd_rme96_capture_adat_open,
1548	.close =	snd_rme96_capture_close,
1549	.hw_params =	snd_rme96_capture_hw_params,
1550	.prepare =	snd_rme96_capture_prepare,
1551	.trigger =	snd_rme96_capture_trigger,
1552	.pointer =	snd_rme96_capture_pointer,
1553	.copy_user =	snd_rme96_capture_copy,
1554	.copy_kernel =	snd_rme96_capture_copy_kernel,
1555	.mmap =		snd_pcm_lib_mmap_iomem,
1556};
1557
1558static void
1559snd_rme96_free(void *private_data)
1560{
1561	struct rme96 *rme96 = (struct rme96 *)private_data;
1562
1563	if (!rme96)
1564	        return;
1565
1566	if (rme96->irq >= 0) {
1567		snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1568		rme96->areg &= ~RME96_AR_DAC_EN;
1569		writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1570		free_irq(rme96->irq, (void *)rme96);
1571		rme96->irq = -1;
1572	}
1573	if (rme96->iobase) {
1574		iounmap(rme96->iobase);
1575		rme96->iobase = NULL;
1576	}
1577	if (rme96->port) {
1578		pci_release_regions(rme96->pci);
1579		rme96->port = 0;
1580	}
1581#ifdef CONFIG_PM_SLEEP
1582	vfree(rme96->playback_suspend_buffer);
1583	vfree(rme96->capture_suspend_buffer);
1584#endif
1585	pci_disable_device(rme96->pci);
1586}
1587
1588static void
1589snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1590{
1591	struct rme96 *rme96 = pcm->private_data;
1592	rme96->spdif_pcm = NULL;
1593}
1594
1595static void
1596snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1597{
1598	struct rme96 *rme96 = pcm->private_data;
1599	rme96->adat_pcm = NULL;
1600}
1601
1602static int
1603snd_rme96_create(struct rme96 *rme96)
1604{
1605	struct pci_dev *pci = rme96->pci;
1606	int err;
1607
1608	rme96->irq = -1;
1609	spin_lock_init(&rme96->lock);
1610
1611	if ((err = pci_enable_device(pci)) < 0)
1612		return err;
1613
1614	if ((err = pci_request_regions(pci, "RME96")) < 0)
1615		return err;
1616	rme96->port = pci_resource_start(rme96->pci, 0);
1617
1618	rme96->iobase = ioremap(rme96->port, RME96_IO_SIZE);
1619	if (!rme96->iobase) {
1620		dev_err(rme96->card->dev,
1621			"unable to remap memory region 0x%lx-0x%lx\n",
1622			rme96->port, rme96->port + RME96_IO_SIZE - 1);
1623		return -ENOMEM;
1624	}
1625
1626	if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1627			KBUILD_MODNAME, rme96)) {
1628		dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1629		return -EBUSY;
1630	}
1631	rme96->irq = pci->irq;
1632	rme96->card->sync_irq = rme96->irq;
1633
1634	/* read the card's revision number */
1635	pci_read_config_byte(pci, 8, &rme96->rev);
1636
1637	/* set up ALSA pcm device for S/PDIF */
1638	if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1639			       1, 1, &rme96->spdif_pcm)) < 0)
1640	{
1641		return err;
1642	}
1643	rme96->spdif_pcm->private_data = rme96;
1644	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1645	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1646	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1647	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1648
1649	rme96->spdif_pcm->info_flags = 0;
1650
1651	/* set up ALSA pcm device for ADAT */
1652	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1653		/* ADAT is not available on the base model */
1654		rme96->adat_pcm = NULL;
1655	} else {
1656		if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1657				       1, 1, &rme96->adat_pcm)) < 0)
1658		{
1659			return err;
1660		}
1661		rme96->adat_pcm->private_data = rme96;
1662		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1663		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1664		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1665		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1666
1667		rme96->adat_pcm->info_flags = 0;
1668	}
1669
1670	rme96->playback_periodsize = 0;
1671	rme96->capture_periodsize = 0;
1672
1673	/* make sure playback/capture is stopped, if by some reason active */
1674	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1675
1676	/* set default values in registers */
1677	rme96->wcreg =
1678		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1679		RME96_WCR_SEL |    /* normal playback */
1680		RME96_WCR_MASTER | /* set to master clock mode */
1681		RME96_WCR_INP_0;   /* set coaxial input */
1682
1683	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1684
1685	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1686	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1687
1688	/* reset the ADC */
1689	writel(rme96->areg | RME96_AR_PD2,
1690	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1691	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1692
1693	/* reset and enable the DAC (order is important). */
1694	snd_rme96_reset_dac(rme96);
1695	rme96->areg |= RME96_AR_DAC_EN;
1696	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1697
1698	/* reset playback and record buffer pointers */
1699	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1700	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1701
1702	/* reset volume */
1703	rme96->vol[0] = rme96->vol[1] = 0;
1704	if (RME96_HAS_ANALOG_OUT(rme96)) {
1705		snd_rme96_apply_dac_volume(rme96);
1706	}
1707
1708	/* init switch interface */
1709	if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1710		return err;
1711	}
1712
1713        /* init proc interface */
1714	snd_rme96_proc_init(rme96);
1715
1716	return 0;
1717}
1718
1719/*
1720 * proc interface
1721 */
1722
1723static void
1724snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1725{
1726	int n;
1727	struct rme96 *rme96 = entry->private_data;
1728
1729	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1730
1731	snd_iprintf(buffer, rme96->card->longname);
1732	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1733
1734	snd_iprintf(buffer, "\nGeneral settings\n");
1735	if (rme96->wcreg & RME96_WCR_IDIS) {
1736		snd_iprintf(buffer, "  period size: N/A (interrupts "
1737			    "disabled)\n");
1738	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1739		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1740	} else {
1741		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1742	}
1743	snd_iprintf(buffer, "\nInput settings\n");
1744	switch (snd_rme96_getinputtype(rme96)) {
1745	case RME96_INPUT_OPTICAL:
1746		snd_iprintf(buffer, "  input: optical");
1747		break;
1748	case RME96_INPUT_COAXIAL:
1749		snd_iprintf(buffer, "  input: coaxial");
1750		break;
1751	case RME96_INPUT_INTERNAL:
1752		snd_iprintf(buffer, "  input: internal");
1753		break;
1754	case RME96_INPUT_XLR:
1755		snd_iprintf(buffer, "  input: XLR");
1756		break;
1757	case RME96_INPUT_ANALOG:
1758		snd_iprintf(buffer, "  input: analog");
1759		break;
1760	}
1761	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1762		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1763	} else {
1764		if (n) {
1765			snd_iprintf(buffer, " (8 channels)\n");
1766		} else {
1767			snd_iprintf(buffer, " (2 channels)\n");
1768		}
1769		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1770			    snd_rme96_capture_getrate(rme96, &n));
1771	}
1772	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1773		snd_iprintf(buffer, "  sample format: 24 bit\n");
1774	} else {
1775		snd_iprintf(buffer, "  sample format: 16 bit\n");
1776	}
1777
1778	snd_iprintf(buffer, "\nOutput settings\n");
1779	if (rme96->wcreg & RME96_WCR_SEL) {
1780		snd_iprintf(buffer, "  output signal: normal playback\n");
1781	} else {
1782		snd_iprintf(buffer, "  output signal: same as input\n");
1783	}
1784	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1785		    snd_rme96_playback_getrate(rme96));
1786	if (rme96->wcreg & RME96_WCR_MODE24) {
1787		snd_iprintf(buffer, "  sample format: 24 bit\n");
1788	} else {
1789		snd_iprintf(buffer, "  sample format: 16 bit\n");
1790	}
1791	if (rme96->areg & RME96_AR_WSEL) {
1792		snd_iprintf(buffer, "  sample clock source: word clock\n");
1793	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1794		snd_iprintf(buffer, "  sample clock source: internal\n");
1795	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1796		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1797	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1798		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1799	} else {
1800		snd_iprintf(buffer, "  sample clock source: autosync\n");
1801	}
1802	if (rme96->wcreg & RME96_WCR_PRO) {
1803		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1804	} else {
1805		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1806	}
1807	if (rme96->wcreg & RME96_WCR_EMP) {
1808		snd_iprintf(buffer, "  emphasis: on\n");
1809	} else {
1810		snd_iprintf(buffer, "  emphasis: off\n");
1811	}
1812	if (rme96->wcreg & RME96_WCR_DOLBY) {
1813		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1814	} else {
1815		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1816	}
1817	if (RME96_HAS_ANALOG_IN(rme96)) {
1818		snd_iprintf(buffer, "\nAnalog output settings\n");
1819		switch (snd_rme96_getmontracks(rme96)) {
1820		case RME96_MONITOR_TRACKS_1_2:
1821			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1822			break;
1823		case RME96_MONITOR_TRACKS_3_4:
1824			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1825			break;
1826		case RME96_MONITOR_TRACKS_5_6:
1827			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1828			break;
1829		case RME96_MONITOR_TRACKS_7_8:
1830			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1831			break;
1832		}
1833		switch (snd_rme96_getattenuation(rme96)) {
1834		case RME96_ATTENUATION_0:
1835			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1836			break;
1837		case RME96_ATTENUATION_6:
1838			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1839			break;
1840		case RME96_ATTENUATION_12:
1841			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1842			break;
1843		case RME96_ATTENUATION_18:
1844			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1845			break;
1846		}
1847		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1848		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1849	}
1850}
1851
1852static void snd_rme96_proc_init(struct rme96 *rme96)
1853{
1854	snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1855}
1856
1857/*
1858 * control interface
1859 */
1860
1861#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1862
1863static int
1864snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1865{
1866	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1867
1868	spin_lock_irq(&rme96->lock);
1869	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1870	spin_unlock_irq(&rme96->lock);
1871	return 0;
1872}
1873static int
1874snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1875{
1876	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1877	unsigned int val;
1878	int change;
1879
1880	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1881	spin_lock_irq(&rme96->lock);
1882	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1883	change = val != rme96->wcreg;
1884	rme96->wcreg = val;
1885	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1886	spin_unlock_irq(&rme96->lock);
1887	return change;
1888}
1889
1890static int
1891snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1892{
1893	static const char * const _texts[5] = {
1894		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1895	};
1896	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1897	const char *texts[5] = {
1898		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1899	};
1900	int num_items;
1901
1902	switch (rme96->pci->device) {
1903	case PCI_DEVICE_ID_RME_DIGI96:
1904	case PCI_DEVICE_ID_RME_DIGI96_8:
1905		num_items = 3;
1906		break;
1907	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1908		num_items = 4;
1909		break;
1910	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1911		if (rme96->rev > 4) {
1912			/* PST */
1913			num_items = 4;
1914			texts[3] = _texts[4]; /* Analog instead of XLR */
1915		} else {
1916			/* PAD */
1917			num_items = 5;
1918		}
1919		break;
1920	default:
1921		snd_BUG();
1922		return -EINVAL;
1923	}
1924	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1925}
1926static int
1927snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1928{
1929	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1930	unsigned int items = 3;
1931
1932	spin_lock_irq(&rme96->lock);
1933	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1934
1935	switch (rme96->pci->device) {
1936	case PCI_DEVICE_ID_RME_DIGI96:
1937	case PCI_DEVICE_ID_RME_DIGI96_8:
1938		items = 3;
1939		break;
1940	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1941		items = 4;
1942		break;
1943	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1944		if (rme96->rev > 4) {
1945			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1946			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1947				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1948			}
1949			items = 4;
1950		} else {
1951			items = 5;
1952		}
1953		break;
1954	default:
1955		snd_BUG();
1956		break;
1957	}
1958	if (ucontrol->value.enumerated.item[0] >= items) {
1959		ucontrol->value.enumerated.item[0] = items - 1;
1960	}
1961
1962	spin_unlock_irq(&rme96->lock);
1963	return 0;
1964}
1965static int
1966snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1967{
1968	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1969	unsigned int val;
1970	int change, items = 3;
1971
1972	switch (rme96->pci->device) {
1973	case PCI_DEVICE_ID_RME_DIGI96:
1974	case PCI_DEVICE_ID_RME_DIGI96_8:
1975		items = 3;
1976		break;
1977	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1978		items = 4;
1979		break;
1980	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1981		if (rme96->rev > 4) {
1982			items = 4;
1983		} else {
1984			items = 5;
1985		}
1986		break;
1987	default:
1988		snd_BUG();
1989		break;
1990	}
1991	val = ucontrol->value.enumerated.item[0] % items;
1992
1993	/* special case for PST */
1994	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1995		if (val == RME96_INPUT_XLR) {
1996			val = RME96_INPUT_ANALOG;
1997		}
1998	}
1999
2000	spin_lock_irq(&rme96->lock);
2001	change = (int)val != snd_rme96_getinputtype(rme96);
2002	snd_rme96_setinputtype(rme96, val);
2003	spin_unlock_irq(&rme96->lock);
2004	return change;
2005}
2006
2007static int
2008snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2009{
2010	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2011
2012	return snd_ctl_enum_info(uinfo, 1, 3, texts);
2013}
2014static int
2015snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2016{
2017	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2018
2019	spin_lock_irq(&rme96->lock);
2020	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2021	spin_unlock_irq(&rme96->lock);
2022	return 0;
2023}
2024static int
2025snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2026{
2027	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2028	unsigned int val;
2029	int change;
2030
2031	val = ucontrol->value.enumerated.item[0] % 3;
2032	spin_lock_irq(&rme96->lock);
2033	change = (int)val != snd_rme96_getclockmode(rme96);
2034	snd_rme96_setclockmode(rme96, val);
2035	spin_unlock_irq(&rme96->lock);
2036	return change;
2037}
2038
2039static int
2040snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2041{
2042	static const char * const texts[4] = {
2043		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2044	};
2045
2046	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2047}
2048static int
2049snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2050{
2051	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2052
2053	spin_lock_irq(&rme96->lock);
2054	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2055	spin_unlock_irq(&rme96->lock);
2056	return 0;
2057}
2058static int
2059snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2060{
2061	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2062	unsigned int val;
2063	int change;
2064
2065	val = ucontrol->value.enumerated.item[0] % 4;
2066	spin_lock_irq(&rme96->lock);
2067
2068	change = (int)val != snd_rme96_getattenuation(rme96);
2069	snd_rme96_setattenuation(rme96, val);
2070	spin_unlock_irq(&rme96->lock);
2071	return change;
2072}
2073
2074static int
2075snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2076{
2077	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2078
2079	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2080}
2081static int
2082snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2083{
2084	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2085
2086	spin_lock_irq(&rme96->lock);
2087	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2088	spin_unlock_irq(&rme96->lock);
2089	return 0;
2090}
2091static int
2092snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2093{
2094	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2095	unsigned int val;
2096	int change;
2097
2098	val = ucontrol->value.enumerated.item[0] % 4;
2099	spin_lock_irq(&rme96->lock);
2100	change = (int)val != snd_rme96_getmontracks(rme96);
2101	snd_rme96_setmontracks(rme96, val);
2102	spin_unlock_irq(&rme96->lock);
2103	return change;
2104}
2105
2106static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2107{
2108	u32 val = 0;
2109	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2110	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2111	if (val & RME96_WCR_PRO)
2112		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2113	else
2114		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2115	return val;
2116}
2117
2118static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2119{
2120	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2121			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2122	if (val & RME96_WCR_PRO)
2123		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2124	else
2125		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2126}
2127
2128static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2129{
2130	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2131	uinfo->count = 1;
2132	return 0;
2133}
2134
2135static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2136{
2137	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2138
2139	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2140	return 0;
2141}
2142
2143static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2144{
2145	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2146	int change;
2147	u32 val;
2148
2149	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2150	spin_lock_irq(&rme96->lock);
2151	change = val != rme96->wcreg_spdif;
2152	rme96->wcreg_spdif = val;
2153	spin_unlock_irq(&rme96->lock);
2154	return change;
2155}
2156
2157static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2158{
2159	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2160	uinfo->count = 1;
2161	return 0;
2162}
2163
2164static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2165{
2166	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2167
2168	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2169	return 0;
2170}
2171
2172static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2173{
2174	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2175	int change;
2176	u32 val;
2177
2178	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2179	spin_lock_irq(&rme96->lock);
2180	change = val != rme96->wcreg_spdif_stream;
2181	rme96->wcreg_spdif_stream = val;
2182	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2183	rme96->wcreg |= val;
2184	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2185	spin_unlock_irq(&rme96->lock);
2186	return change;
2187}
2188
2189static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2190{
2191	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2192	uinfo->count = 1;
2193	return 0;
2194}
2195
2196static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2197{
2198	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2199	return 0;
2200}
2201
2202static int
2203snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2204{
2205	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2206
2207        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2208        uinfo->count = 2;
2209        uinfo->value.integer.min = 0;
2210	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2211        return 0;
2212}
2213
2214static int
2215snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2216{
2217	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2218
2219	spin_lock_irq(&rme96->lock);
2220        u->value.integer.value[0] = rme96->vol[0];
2221        u->value.integer.value[1] = rme96->vol[1];
2222	spin_unlock_irq(&rme96->lock);
2223
2224        return 0;
2225}
2226
2227static int
2228snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2229{
2230	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2231        int change = 0;
2232	unsigned int vol, maxvol;
2233
2234
2235	if (!RME96_HAS_ANALOG_OUT(rme96))
2236		return -EINVAL;
2237	maxvol = RME96_185X_MAX_OUT(rme96);
2238	spin_lock_irq(&rme96->lock);
2239	vol = u->value.integer.value[0];
2240	if (vol != rme96->vol[0] && vol <= maxvol) {
2241		rme96->vol[0] = vol;
2242		change = 1;
2243	}
2244	vol = u->value.integer.value[1];
2245	if (vol != rme96->vol[1] && vol <= maxvol) {
2246		rme96->vol[1] = vol;
2247		change = 1;
2248	}
2249	if (change)
2250		snd_rme96_apply_dac_volume(rme96);
2251	spin_unlock_irq(&rme96->lock);
2252
2253        return change;
2254}
2255
2256static const struct snd_kcontrol_new snd_rme96_controls[] = {
2257{
2258	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2259	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2260	.info =		snd_rme96_control_spdif_info,
2261	.get =		snd_rme96_control_spdif_get,
2262	.put =		snd_rme96_control_spdif_put
2263},
2264{
2265	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2266	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2267	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2268	.info =		snd_rme96_control_spdif_stream_info,
2269	.get =		snd_rme96_control_spdif_stream_get,
2270	.put =		snd_rme96_control_spdif_stream_put
2271},
2272{
2273	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2274	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2275	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2276	.info =		snd_rme96_control_spdif_mask_info,
2277	.get =		snd_rme96_control_spdif_mask_get,
2278	.private_value = IEC958_AES0_NONAUDIO |
2279			IEC958_AES0_PROFESSIONAL |
2280			IEC958_AES0_CON_EMPHASIS
2281},
2282{
2283	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2284	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2285	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2286	.info =		snd_rme96_control_spdif_mask_info,
2287	.get =		snd_rme96_control_spdif_mask_get,
2288	.private_value = IEC958_AES0_NONAUDIO |
2289			IEC958_AES0_PROFESSIONAL |
2290			IEC958_AES0_PRO_EMPHASIS
2291},
2292{
2293        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2294	.name =         "Input Connector",
2295	.info =         snd_rme96_info_inputtype_control,
2296	.get =          snd_rme96_get_inputtype_control,
2297	.put =          snd_rme96_put_inputtype_control
2298},
2299{
2300        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2301	.name =         "Loopback Input",
2302	.info =         snd_rme96_info_loopback_control,
2303	.get =          snd_rme96_get_loopback_control,
2304	.put =          snd_rme96_put_loopback_control
2305},
2306{
2307        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2308	.name =         "Sample Clock Source",
2309	.info =         snd_rme96_info_clockmode_control,
2310	.get =          snd_rme96_get_clockmode_control,
2311	.put =          snd_rme96_put_clockmode_control
2312},
2313{
2314        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2315	.name =         "Monitor Tracks",
2316	.info =         snd_rme96_info_montracks_control,
2317	.get =          snd_rme96_get_montracks_control,
2318	.put =          snd_rme96_put_montracks_control
2319},
2320{
2321        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2322	.name =         "Attenuation",
2323	.info =         snd_rme96_info_attenuation_control,
2324	.get =          snd_rme96_get_attenuation_control,
2325	.put =          snd_rme96_put_attenuation_control
2326},
2327{
2328        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2329	.name =         "DAC Playback Volume",
2330	.info =         snd_rme96_dac_volume_info,
2331	.get =          snd_rme96_dac_volume_get,
2332	.put =          snd_rme96_dac_volume_put
2333}
2334};
2335
2336static int
2337snd_rme96_create_switches(struct snd_card *card,
2338			  struct rme96 *rme96)
2339{
2340	int idx, err;
2341	struct snd_kcontrol *kctl;
2342
2343	for (idx = 0; idx < 7; idx++) {
2344		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2345			return err;
2346		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2347			rme96->spdif_ctl = kctl;
2348	}
2349
2350	if (RME96_HAS_ANALOG_OUT(rme96)) {
2351		for (idx = 7; idx < 10; idx++)
2352			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2353				return err;
2354	}
2355
2356	return 0;
2357}
2358
2359/*
2360 * Card initialisation
2361 */
2362
2363#ifdef CONFIG_PM_SLEEP
2364
2365static int rme96_suspend(struct device *dev)
2366{
2367	struct snd_card *card = dev_get_drvdata(dev);
2368	struct rme96 *rme96 = card->private_data;
2369
2370	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2371
2372	/* save capture & playback pointers */
2373	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2374				  & RME96_RCR_AUDIO_ADDR_MASK;
2375	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2376				 & RME96_RCR_AUDIO_ADDR_MASK;
2377
2378	/* save playback and capture buffers */
2379	memcpy_fromio(rme96->playback_suspend_buffer,
2380		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2381	memcpy_fromio(rme96->capture_suspend_buffer,
2382		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2383
2384	/* disable the DAC  */
2385	rme96->areg &= ~RME96_AR_DAC_EN;
2386	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2387	return 0;
2388}
2389
2390static int rme96_resume(struct device *dev)
2391{
2392	struct snd_card *card = dev_get_drvdata(dev);
2393	struct rme96 *rme96 = card->private_data;
2394
2395	/* reset playback and record buffer pointers */
2396	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2397		  + rme96->playback_pointer);
2398	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2399		  + rme96->capture_pointer);
2400
2401	/* restore playback and capture buffers */
2402	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2403		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2404	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2405		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2406
2407	/* reset the ADC */
2408	writel(rme96->areg | RME96_AR_PD2,
2409	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2410	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2411
2412	/* reset and enable DAC, restore analog volume */
2413	snd_rme96_reset_dac(rme96);
2414	rme96->areg |= RME96_AR_DAC_EN;
2415	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2416	if (RME96_HAS_ANALOG_OUT(rme96)) {
2417		usleep_range(3000, 10000);
2418		snd_rme96_apply_dac_volume(rme96);
2419	}
2420
2421	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2422
2423	return 0;
2424}
2425
2426static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2427#define RME96_PM_OPS	&rme96_pm
2428#else
2429#define RME96_PM_OPS	NULL
2430#endif /* CONFIG_PM_SLEEP */
2431
2432static void snd_rme96_card_free(struct snd_card *card)
2433{
2434	snd_rme96_free(card->private_data);
2435}
2436
2437static int
2438snd_rme96_probe(struct pci_dev *pci,
2439		const struct pci_device_id *pci_id)
2440{
2441	static int dev;
2442	struct rme96 *rme96;
2443	struct snd_card *card;
2444	int err;
2445	u8 val;
2446
2447	if (dev >= SNDRV_CARDS) {
2448		return -ENODEV;
2449	}
2450	if (!enable[dev]) {
2451		dev++;
2452		return -ENOENT;
2453	}
2454	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2455			   sizeof(struct rme96), &card);
2456	if (err < 0)
2457		return err;
2458	card->private_free = snd_rme96_card_free;
2459	rme96 = card->private_data;
2460	rme96->card = card;
2461	rme96->pci = pci;
2462	err = snd_rme96_create(rme96);
2463	if (err)
2464		goto free_card;
2465
2466#ifdef CONFIG_PM_SLEEP
2467	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2468	if (!rme96->playback_suspend_buffer) {
2469		err = -ENOMEM;
2470		goto free_card;
2471	}
2472	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2473	if (!rme96->capture_suspend_buffer) {
2474		err = -ENOMEM;
2475		goto free_card;
2476	}
2477#endif
2478
2479	strcpy(card->driver, "Digi96");
2480	switch (rme96->pci->device) {
2481	case PCI_DEVICE_ID_RME_DIGI96:
2482		strcpy(card->shortname, "RME Digi96");
2483		break;
2484	case PCI_DEVICE_ID_RME_DIGI96_8:
2485		strcpy(card->shortname, "RME Digi96/8");
2486		break;
2487	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2488		strcpy(card->shortname, "RME Digi96/8 PRO");
2489		break;
2490	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2491		pci_read_config_byte(rme96->pci, 8, &val);
2492		if (val < 5) {
2493			strcpy(card->shortname, "RME Digi96/8 PAD");
2494		} else {
2495			strcpy(card->shortname, "RME Digi96/8 PST");
2496		}
2497		break;
2498	}
2499	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2500		rme96->port, rme96->irq);
2501	err = snd_card_register(card);
2502	if (err)
2503		goto free_card;
2504
2505	pci_set_drvdata(pci, card);
2506	dev++;
2507	return 0;
2508free_card:
2509	snd_card_free(card);
2510	return err;
2511}
2512
2513static void snd_rme96_remove(struct pci_dev *pci)
2514{
2515	snd_card_free(pci_get_drvdata(pci));
2516}
2517
2518static struct pci_driver rme96_driver = {
2519	.name = KBUILD_MODNAME,
2520	.id_table = snd_rme96_ids,
2521	.probe = snd_rme96_probe,
2522	.remove = snd_rme96_remove,
2523	.driver = {
2524		.pm = RME96_PM_OPS,
2525	},
2526};
2527
2528module_pci_driver(rme96_driver);
2529