1/*
2 *   ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
3 *   interfaces
4 *
5 *	Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
6 *
7 *      Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
8 *      code.
9 *
10 *   This program is free software; you can redistribute it and/or modify
11 *   it under the terms of the GNU General Public License as published by
12 *   the Free Software Foundation; either version 2 of the License, or
13 *   (at your option) any later version.
14 *
15 *   This program is distributed in the hope that it will be useful,
16 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *   GNU General Public License for more details.
19 *
20 *   You should have received a copy of the GNU General Public License
21 *   along with this program; if not, write to the Free Software
22 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 *
24 */
25
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/module.h>
31#include <linux/vmalloc.h>
32#include <linux/io.h>
33
34#include <sound/core.h>
35#include <sound/info.h>
36#include <sound/control.h>
37#include <sound/pcm.h>
38#include <sound/pcm_params.h>
39#include <sound/asoundef.h>
40#include <sound/initval.h>
41
42/* note, two last pcis should be equal, it is not a bug */
43
44MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
45MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
46		   "Digi96/8 PAD");
47MODULE_LICENSE("GPL");
48MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
49		"{RME,Digi96/8},"
50		"{RME,Digi96/8 PRO},"
51		"{RME,Digi96/8 PST},"
52		"{RME,Digi96/8 PAD}}");
53
54static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
55static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
56static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
57
58module_param_array(index, int, NULL, 0444);
59MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
60module_param_array(id, charp, NULL, 0444);
61MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
62module_param_array(enable, bool, NULL, 0444);
63MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
64
65/*
66 * Defines for RME Digi96 series, from internal RME reference documents
67 * dated 12.01.00
68 */
69
70#define RME96_SPDIF_NCHANNELS 2
71
72/* Playback and capture buffer size */
73#define RME96_BUFFER_SIZE 0x10000
74
75/* IO area size */
76#define RME96_IO_SIZE 0x60000
77
78/* IO area offsets */
79#define RME96_IO_PLAY_BUFFER      0x0
80#define RME96_IO_REC_BUFFER       0x10000
81#define RME96_IO_CONTROL_REGISTER 0x20000
82#define RME96_IO_ADDITIONAL_REG   0x20004
83#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
84#define RME96_IO_CONFIRM_REC_IRQ  0x2000C
85#define RME96_IO_SET_PLAY_POS     0x40000
86#define RME96_IO_RESET_PLAY_POS   0x4FFFC
87#define RME96_IO_SET_REC_POS      0x50000
88#define RME96_IO_RESET_REC_POS    0x5FFFC
89#define RME96_IO_GET_PLAY_POS     0x20000
90#define RME96_IO_GET_REC_POS      0x30000
91
92/* Write control register bits */
93#define RME96_WCR_START     (1 << 0)
94#define RME96_WCR_START_2   (1 << 1)
95#define RME96_WCR_GAIN_0    (1 << 2)
96#define RME96_WCR_GAIN_1    (1 << 3)
97#define RME96_WCR_MODE24    (1 << 4)
98#define RME96_WCR_MODE24_2  (1 << 5)
99#define RME96_WCR_BM        (1 << 6)
100#define RME96_WCR_BM_2      (1 << 7)
101#define RME96_WCR_ADAT      (1 << 8)
102#define RME96_WCR_FREQ_0    (1 << 9)
103#define RME96_WCR_FREQ_1    (1 << 10)
104#define RME96_WCR_DS        (1 << 11)
105#define RME96_WCR_PRO       (1 << 12)
106#define RME96_WCR_EMP       (1 << 13)
107#define RME96_WCR_SEL       (1 << 14)
108#define RME96_WCR_MASTER    (1 << 15)
109#define RME96_WCR_PD        (1 << 16)
110#define RME96_WCR_INP_0     (1 << 17)
111#define RME96_WCR_INP_1     (1 << 18)
112#define RME96_WCR_THRU_0    (1 << 19)
113#define RME96_WCR_THRU_1    (1 << 20)
114#define RME96_WCR_THRU_2    (1 << 21)
115#define RME96_WCR_THRU_3    (1 << 22)
116#define RME96_WCR_THRU_4    (1 << 23)
117#define RME96_WCR_THRU_5    (1 << 24)
118#define RME96_WCR_THRU_6    (1 << 25)
119#define RME96_WCR_THRU_7    (1 << 26)
120#define RME96_WCR_DOLBY     (1 << 27)
121#define RME96_WCR_MONITOR_0 (1 << 28)
122#define RME96_WCR_MONITOR_1 (1 << 29)
123#define RME96_WCR_ISEL      (1 << 30)
124#define RME96_WCR_IDIS      (1 << 31)
125
126#define RME96_WCR_BITPOS_GAIN_0 2
127#define RME96_WCR_BITPOS_GAIN_1 3
128#define RME96_WCR_BITPOS_FREQ_0 9
129#define RME96_WCR_BITPOS_FREQ_1 10
130#define RME96_WCR_BITPOS_INP_0 17
131#define RME96_WCR_BITPOS_INP_1 18
132#define RME96_WCR_BITPOS_MONITOR_0 28
133#define RME96_WCR_BITPOS_MONITOR_1 29
134
135/* Read control register bits */
136#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
137#define RME96_RCR_IRQ_2     (1 << 16)
138#define RME96_RCR_T_OUT     (1 << 17)
139#define RME96_RCR_DEV_ID_0  (1 << 21)
140#define RME96_RCR_DEV_ID_1  (1 << 22)
141#define RME96_RCR_LOCK      (1 << 23)
142#define RME96_RCR_VERF      (1 << 26)
143#define RME96_RCR_F0        (1 << 27)
144#define RME96_RCR_F1        (1 << 28)
145#define RME96_RCR_F2        (1 << 29)
146#define RME96_RCR_AUTOSYNC  (1 << 30)
147#define RME96_RCR_IRQ       (1 << 31)
148
149#define RME96_RCR_BITPOS_F0 27
150#define RME96_RCR_BITPOS_F1 28
151#define RME96_RCR_BITPOS_F2 29
152
153/* Additional register bits */
154#define RME96_AR_WSEL       (1 << 0)
155#define RME96_AR_ANALOG     (1 << 1)
156#define RME96_AR_FREQPAD_0  (1 << 2)
157#define RME96_AR_FREQPAD_1  (1 << 3)
158#define RME96_AR_FREQPAD_2  (1 << 4)
159#define RME96_AR_PD2        (1 << 5)
160#define RME96_AR_DAC_EN     (1 << 6)
161#define RME96_AR_CLATCH     (1 << 7)
162#define RME96_AR_CCLK       (1 << 8)
163#define RME96_AR_CDATA      (1 << 9)
164
165#define RME96_AR_BITPOS_F0 2
166#define RME96_AR_BITPOS_F1 3
167#define RME96_AR_BITPOS_F2 4
168
169/* Monitor tracks */
170#define RME96_MONITOR_TRACKS_1_2 0
171#define RME96_MONITOR_TRACKS_3_4 1
172#define RME96_MONITOR_TRACKS_5_6 2
173#define RME96_MONITOR_TRACKS_7_8 3
174
175/* Attenuation */
176#define RME96_ATTENUATION_0 0
177#define RME96_ATTENUATION_6 1
178#define RME96_ATTENUATION_12 2
179#define RME96_ATTENUATION_18 3
180
181/* Input types */
182#define RME96_INPUT_OPTICAL 0
183#define RME96_INPUT_COAXIAL 1
184#define RME96_INPUT_INTERNAL 2
185#define RME96_INPUT_XLR 3
186#define RME96_INPUT_ANALOG 4
187
188/* Clock modes */
189#define RME96_CLOCKMODE_SLAVE 0
190#define RME96_CLOCKMODE_MASTER 1
191#define RME96_CLOCKMODE_WORDCLOCK 2
192
193/* Block sizes in bytes */
194#define RME96_SMALL_BLOCK_SIZE 2048
195#define RME96_LARGE_BLOCK_SIZE 8192
196
197/* Volume control */
198#define RME96_AD1852_VOL_BITS 14
199#define RME96_AD1855_VOL_BITS 10
200
201/* Defines for snd_rme96_trigger */
202#define RME96_TB_START_PLAYBACK 1
203#define RME96_TB_START_CAPTURE 2
204#define RME96_TB_STOP_PLAYBACK 4
205#define RME96_TB_STOP_CAPTURE 8
206#define RME96_TB_RESET_PLAYPOS 16
207#define RME96_TB_RESET_CAPTUREPOS 32
208#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
209#define RME96_TB_CLEAR_CAPTURE_IRQ 128
210#define RME96_RESUME_PLAYBACK	(RME96_TB_START_PLAYBACK)
211#define RME96_RESUME_CAPTURE	(RME96_TB_START_CAPTURE)
212#define RME96_RESUME_BOTH	(RME96_RESUME_PLAYBACK \
213				| RME96_RESUME_CAPTURE)
214#define RME96_START_PLAYBACK	(RME96_TB_START_PLAYBACK \
215				| RME96_TB_RESET_PLAYPOS)
216#define RME96_START_CAPTURE	(RME96_TB_START_CAPTURE \
217				| RME96_TB_RESET_CAPTUREPOS)
218#define RME96_START_BOTH	(RME96_START_PLAYBACK \
219				| RME96_START_CAPTURE)
220#define RME96_STOP_PLAYBACK	(RME96_TB_STOP_PLAYBACK \
221				| RME96_TB_CLEAR_PLAYBACK_IRQ)
222#define RME96_STOP_CAPTURE	(RME96_TB_STOP_CAPTURE \
223				| RME96_TB_CLEAR_CAPTURE_IRQ)
224#define RME96_STOP_BOTH		(RME96_STOP_PLAYBACK \
225				| RME96_STOP_CAPTURE)
226
227struct rme96 {
228	spinlock_t    lock;
229	int irq;
230	unsigned long port;
231	void __iomem *iobase;
232
233	u32 wcreg;    /* cached write control register value */
234	u32 wcreg_spdif;		/* S/PDIF setup */
235	u32 wcreg_spdif_stream;		/* S/PDIF setup (temporary) */
236	u32 rcreg;    /* cached read control register value */
237	u32 areg;     /* cached additional register value */
238	u16 vol[2]; /* cached volume of analog output */
239
240	u8 rev; /* card revision number */
241
242#ifdef CONFIG_PM_SLEEP
243	u32 playback_pointer;
244	u32 capture_pointer;
245	void *playback_suspend_buffer;
246	void *capture_suspend_buffer;
247#endif
248
249	struct snd_pcm_substream *playback_substream;
250	struct snd_pcm_substream *capture_substream;
251
252	int playback_frlog; /* log2 of framesize */
253	int capture_frlog;
254
255        size_t playback_periodsize; /* in bytes, zero if not used */
256	size_t capture_periodsize; /* in bytes, zero if not used */
257
258	struct snd_card *card;
259	struct snd_pcm *spdif_pcm;
260	struct snd_pcm *adat_pcm;
261	struct pci_dev     *pci;
262	struct snd_kcontrol   *spdif_ctl;
263};
264
265static const struct pci_device_id snd_rme96_ids[] = {
266	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
267	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
268	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
269	{ PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
270	{ 0, }
271};
272
273MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
274
275#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
276#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
277#define	RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
278#define	RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
279				     (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
280#define	RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
281#define	RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
282			          ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
283#define	RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
284
285static int
286snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
287
288static int
289snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
290
291static int
292snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
293			   int cmd);
294
295static int
296snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
297			  int cmd);
298
299static snd_pcm_uframes_t
300snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
301
302static snd_pcm_uframes_t
303snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
304
305static void snd_rme96_proc_init(struct rme96 *rme96);
306
307static int
308snd_rme96_create_switches(struct snd_card *card,
309			  struct rme96 *rme96);
310
311static int
312snd_rme96_getinputtype(struct rme96 *rme96);
313
314static inline unsigned int
315snd_rme96_playback_ptr(struct rme96 *rme96)
316{
317	return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
318		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
319}
320
321static inline unsigned int
322snd_rme96_capture_ptr(struct rme96 *rme96)
323{
324	return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
325		& RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
326}
327
328static int
329snd_rme96_playback_silence(struct snd_pcm_substream *substream,
330			   int channel, /* not used (interleaved data) */
331			   snd_pcm_uframes_t pos,
332			   snd_pcm_uframes_t count)
333{
334	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
335	count <<= rme96->playback_frlog;
336	pos <<= rme96->playback_frlog;
337	memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
338		  0, count);
339	return 0;
340}
341
342static int
343snd_rme96_playback_copy(struct snd_pcm_substream *substream,
344			int channel, /* not used (interleaved data) */
345			snd_pcm_uframes_t pos,
346			void __user *src,
347			snd_pcm_uframes_t count)
348{
349	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
350	count <<= rme96->playback_frlog;
351	pos <<= rme96->playback_frlog;
352	return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
353				   count);
354}
355
356static int
357snd_rme96_capture_copy(struct snd_pcm_substream *substream,
358		       int channel, /* not used (interleaved data) */
359		       snd_pcm_uframes_t pos,
360		       void __user *dst,
361		       snd_pcm_uframes_t count)
362{
363	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
364	count <<= rme96->capture_frlog;
365	pos <<= rme96->capture_frlog;
366	return copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
367				   count);
368}
369
370/*
371 * Digital output capabilities (S/PDIF)
372 */
373static 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 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 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 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 unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154static 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 != NULL) {
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 != NULL) {
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 != NULL) {
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 != NULL) {
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 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 =		snd_rme96_playback_copy,
1517	.silence =	snd_rme96_playback_silence,
1518	.mmap =		snd_pcm_lib_mmap_iomem,
1519};
1520
1521static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1522	.open =		snd_rme96_capture_spdif_open,
1523	.close =	snd_rme96_capture_close,
1524	.ioctl =	snd_pcm_lib_ioctl,
1525	.hw_params =	snd_rme96_capture_hw_params,
1526	.prepare =	snd_rme96_capture_prepare,
1527	.trigger =	snd_rme96_capture_trigger,
1528	.pointer =	snd_rme96_capture_pointer,
1529	.copy =		snd_rme96_capture_copy,
1530	.mmap =		snd_pcm_lib_mmap_iomem,
1531};
1532
1533static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1534	.open =		snd_rme96_playback_adat_open,
1535	.close =	snd_rme96_playback_close,
1536	.ioctl =	snd_pcm_lib_ioctl,
1537	.hw_params =	snd_rme96_playback_hw_params,
1538	.prepare =	snd_rme96_playback_prepare,
1539	.trigger =	snd_rme96_playback_trigger,
1540	.pointer =	snd_rme96_playback_pointer,
1541	.copy =		snd_rme96_playback_copy,
1542	.silence =	snd_rme96_playback_silence,
1543	.mmap =		snd_pcm_lib_mmap_iomem,
1544};
1545
1546static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1547	.open =		snd_rme96_capture_adat_open,
1548	.close =	snd_rme96_capture_close,
1549	.ioctl =	snd_pcm_lib_ioctl,
1550	.hw_params =	snd_rme96_capture_hw_params,
1551	.prepare =	snd_rme96_capture_prepare,
1552	.trigger =	snd_rme96_capture_trigger,
1553	.pointer =	snd_rme96_capture_pointer,
1554	.copy =		snd_rme96_capture_copy,
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 == NULL) {
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_nocache(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
1633	/* read the card's revision number */
1634	pci_read_config_byte(pci, 8, &rme96->rev);
1635
1636	/* set up ALSA pcm device for S/PDIF */
1637	if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1638			       1, 1, &rme96->spdif_pcm)) < 0)
1639	{
1640		return err;
1641	}
1642	rme96->spdif_pcm->private_data = rme96;
1643	rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1644	strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1645	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1646	snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1647
1648	rme96->spdif_pcm->info_flags = 0;
1649
1650	/* set up ALSA pcm device for ADAT */
1651	if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1652		/* ADAT is not available on the base model */
1653		rme96->adat_pcm = NULL;
1654	} else {
1655		if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1656				       1, 1, &rme96->adat_pcm)) < 0)
1657		{
1658			return err;
1659		}
1660		rme96->adat_pcm->private_data = rme96;
1661		rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1662		strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1663		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1664		snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1665
1666		rme96->adat_pcm->info_flags = 0;
1667	}
1668
1669	rme96->playback_periodsize = 0;
1670	rme96->capture_periodsize = 0;
1671
1672	/* make sure playback/capture is stopped, if by some reason active */
1673	snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1674
1675	/* set default values in registers */
1676	rme96->wcreg =
1677		RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1678		RME96_WCR_SEL |    /* normal playback */
1679		RME96_WCR_MASTER | /* set to master clock mode */
1680		RME96_WCR_INP_0;   /* set coaxial input */
1681
1682	rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1683
1684	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1685	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1686
1687	/* reset the ADC */
1688	writel(rme96->areg | RME96_AR_PD2,
1689	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
1690	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1691
1692	/* reset and enable the DAC (order is important). */
1693	snd_rme96_reset_dac(rme96);
1694	rme96->areg |= RME96_AR_DAC_EN;
1695	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1696
1697	/* reset playback and record buffer pointers */
1698	writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1699	writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1700
1701	/* reset volume */
1702	rme96->vol[0] = rme96->vol[1] = 0;
1703	if (RME96_HAS_ANALOG_OUT(rme96)) {
1704		snd_rme96_apply_dac_volume(rme96);
1705	}
1706
1707	/* init switch interface */
1708	if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1709		return err;
1710	}
1711
1712        /* init proc interface */
1713	snd_rme96_proc_init(rme96);
1714
1715	return 0;
1716}
1717
1718/*
1719 * proc interface
1720 */
1721
1722static void
1723snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1724{
1725	int n;
1726	struct rme96 *rme96 = entry->private_data;
1727
1728	rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1729
1730	snd_iprintf(buffer, rme96->card->longname);
1731	snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1732
1733	snd_iprintf(buffer, "\nGeneral settings\n");
1734	if (rme96->wcreg & RME96_WCR_IDIS) {
1735		snd_iprintf(buffer, "  period size: N/A (interrupts "
1736			    "disabled)\n");
1737	} else if (rme96->wcreg & RME96_WCR_ISEL) {
1738		snd_iprintf(buffer, "  period size: 2048 bytes\n");
1739	} else {
1740		snd_iprintf(buffer, "  period size: 8192 bytes\n");
1741	}
1742	snd_iprintf(buffer, "\nInput settings\n");
1743	switch (snd_rme96_getinputtype(rme96)) {
1744	case RME96_INPUT_OPTICAL:
1745		snd_iprintf(buffer, "  input: optical");
1746		break;
1747	case RME96_INPUT_COAXIAL:
1748		snd_iprintf(buffer, "  input: coaxial");
1749		break;
1750	case RME96_INPUT_INTERNAL:
1751		snd_iprintf(buffer, "  input: internal");
1752		break;
1753	case RME96_INPUT_XLR:
1754		snd_iprintf(buffer, "  input: XLR");
1755		break;
1756	case RME96_INPUT_ANALOG:
1757		snd_iprintf(buffer, "  input: analog");
1758		break;
1759	}
1760	if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1761		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1762	} else {
1763		if (n) {
1764			snd_iprintf(buffer, " (8 channels)\n");
1765		} else {
1766			snd_iprintf(buffer, " (2 channels)\n");
1767		}
1768		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1769			    snd_rme96_capture_getrate(rme96, &n));
1770	}
1771	if (rme96->wcreg & RME96_WCR_MODE24_2) {
1772		snd_iprintf(buffer, "  sample format: 24 bit\n");
1773	} else {
1774		snd_iprintf(buffer, "  sample format: 16 bit\n");
1775	}
1776
1777	snd_iprintf(buffer, "\nOutput settings\n");
1778	if (rme96->wcreg & RME96_WCR_SEL) {
1779		snd_iprintf(buffer, "  output signal: normal playback\n");
1780	} else {
1781		snd_iprintf(buffer, "  output signal: same as input\n");
1782	}
1783	snd_iprintf(buffer, "  sample rate: %d Hz\n",
1784		    snd_rme96_playback_getrate(rme96));
1785	if (rme96->wcreg & RME96_WCR_MODE24) {
1786		snd_iprintf(buffer, "  sample format: 24 bit\n");
1787	} else {
1788		snd_iprintf(buffer, "  sample format: 16 bit\n");
1789	}
1790	if (rme96->areg & RME96_AR_WSEL) {
1791		snd_iprintf(buffer, "  sample clock source: word clock\n");
1792	} else if (rme96->wcreg & RME96_WCR_MASTER) {
1793		snd_iprintf(buffer, "  sample clock source: internal\n");
1794	} else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1795		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to analog input setting)\n");
1796	} else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1797		snd_iprintf(buffer, "  sample clock source: autosync (internal anyway due to no valid signal)\n");
1798	} else {
1799		snd_iprintf(buffer, "  sample clock source: autosync\n");
1800	}
1801	if (rme96->wcreg & RME96_WCR_PRO) {
1802		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1803	} else {
1804		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1805	}
1806	if (rme96->wcreg & RME96_WCR_EMP) {
1807		snd_iprintf(buffer, "  emphasis: on\n");
1808	} else {
1809		snd_iprintf(buffer, "  emphasis: off\n");
1810	}
1811	if (rme96->wcreg & RME96_WCR_DOLBY) {
1812		snd_iprintf(buffer, "  non-audio (dolby): on\n");
1813	} else {
1814		snd_iprintf(buffer, "  non-audio (dolby): off\n");
1815	}
1816	if (RME96_HAS_ANALOG_IN(rme96)) {
1817		snd_iprintf(buffer, "\nAnalog output settings\n");
1818		switch (snd_rme96_getmontracks(rme96)) {
1819		case RME96_MONITOR_TRACKS_1_2:
1820			snd_iprintf(buffer, "  monitored ADAT tracks: 1+2\n");
1821			break;
1822		case RME96_MONITOR_TRACKS_3_4:
1823			snd_iprintf(buffer, "  monitored ADAT tracks: 3+4\n");
1824			break;
1825		case RME96_MONITOR_TRACKS_5_6:
1826			snd_iprintf(buffer, "  monitored ADAT tracks: 5+6\n");
1827			break;
1828		case RME96_MONITOR_TRACKS_7_8:
1829			snd_iprintf(buffer, "  monitored ADAT tracks: 7+8\n");
1830			break;
1831		}
1832		switch (snd_rme96_getattenuation(rme96)) {
1833		case RME96_ATTENUATION_0:
1834			snd_iprintf(buffer, "  attenuation: 0 dB\n");
1835			break;
1836		case RME96_ATTENUATION_6:
1837			snd_iprintf(buffer, "  attenuation: -6 dB\n");
1838			break;
1839		case RME96_ATTENUATION_12:
1840			snd_iprintf(buffer, "  attenuation: -12 dB\n");
1841			break;
1842		case RME96_ATTENUATION_18:
1843			snd_iprintf(buffer, "  attenuation: -18 dB\n");
1844			break;
1845		}
1846		snd_iprintf(buffer, "  volume left: %u\n", rme96->vol[0]);
1847		snd_iprintf(buffer, "  volume right: %u\n", rme96->vol[1]);
1848	}
1849}
1850
1851static void snd_rme96_proc_init(struct rme96 *rme96)
1852{
1853	struct snd_info_entry *entry;
1854
1855	if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1856		snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1857}
1858
1859/*
1860 * control interface
1861 */
1862
1863#define snd_rme96_info_loopback_control		snd_ctl_boolean_mono_info
1864
1865static int
1866snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1867{
1868	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1869
1870	spin_lock_irq(&rme96->lock);
1871	ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1872	spin_unlock_irq(&rme96->lock);
1873	return 0;
1874}
1875static int
1876snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1877{
1878	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1879	unsigned int val;
1880	int change;
1881
1882	val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1883	spin_lock_irq(&rme96->lock);
1884	val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1885	change = val != rme96->wcreg;
1886	rme96->wcreg = val;
1887	writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1888	spin_unlock_irq(&rme96->lock);
1889	return change;
1890}
1891
1892static int
1893snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1894{
1895	static const char * const _texts[5] = {
1896		"Optical", "Coaxial", "Internal", "XLR", "Analog"
1897	};
1898	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1899	const char *texts[5] = {
1900		_texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1901	};
1902	int num_items;
1903
1904	switch (rme96->pci->device) {
1905	case PCI_DEVICE_ID_RME_DIGI96:
1906	case PCI_DEVICE_ID_RME_DIGI96_8:
1907		num_items = 3;
1908		break;
1909	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1910		num_items = 4;
1911		break;
1912	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1913		if (rme96->rev > 4) {
1914			/* PST */
1915			num_items = 4;
1916			texts[3] = _texts[4]; /* Analog instead of XLR */
1917		} else {
1918			/* PAD */
1919			num_items = 5;
1920		}
1921		break;
1922	default:
1923		snd_BUG();
1924		return -EINVAL;
1925	}
1926	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1927}
1928static int
1929snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1930{
1931	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1932	unsigned int items = 3;
1933
1934	spin_lock_irq(&rme96->lock);
1935	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
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			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1948			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1949				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1950			}
1951			items = 4;
1952		} else {
1953			items = 5;
1954		}
1955		break;
1956	default:
1957		snd_BUG();
1958		break;
1959	}
1960	if (ucontrol->value.enumerated.item[0] >= items) {
1961		ucontrol->value.enumerated.item[0] = items - 1;
1962	}
1963
1964	spin_unlock_irq(&rme96->lock);
1965	return 0;
1966}
1967static int
1968snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1969{
1970	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1971	unsigned int val;
1972	int change, items = 3;
1973
1974	switch (rme96->pci->device) {
1975	case PCI_DEVICE_ID_RME_DIGI96:
1976	case PCI_DEVICE_ID_RME_DIGI96_8:
1977		items = 3;
1978		break;
1979	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1980		items = 4;
1981		break;
1982	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1983		if (rme96->rev > 4) {
1984			items = 4;
1985		} else {
1986			items = 5;
1987		}
1988		break;
1989	default:
1990		snd_BUG();
1991		break;
1992	}
1993	val = ucontrol->value.enumerated.item[0] % items;
1994
1995	/* special case for PST */
1996	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1997		if (val == RME96_INPUT_XLR) {
1998			val = RME96_INPUT_ANALOG;
1999		}
2000	}
2001
2002	spin_lock_irq(&rme96->lock);
2003	change = (int)val != snd_rme96_getinputtype(rme96);
2004	snd_rme96_setinputtype(rme96, val);
2005	spin_unlock_irq(&rme96->lock);
2006	return change;
2007}
2008
2009static int
2010snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2011{
2012	static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2013
2014	return snd_ctl_enum_info(uinfo, 1, 3, texts);
2015}
2016static int
2017snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2018{
2019	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2020
2021	spin_lock_irq(&rme96->lock);
2022	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2023	spin_unlock_irq(&rme96->lock);
2024	return 0;
2025}
2026static int
2027snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2028{
2029	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2030	unsigned int val;
2031	int change;
2032
2033	val = ucontrol->value.enumerated.item[0] % 3;
2034	spin_lock_irq(&rme96->lock);
2035	change = (int)val != snd_rme96_getclockmode(rme96);
2036	snd_rme96_setclockmode(rme96, val);
2037	spin_unlock_irq(&rme96->lock);
2038	return change;
2039}
2040
2041static int
2042snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2043{
2044	static const char * const texts[4] = {
2045		"0 dB", "-6 dB", "-12 dB", "-18 dB"
2046	};
2047
2048	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2049}
2050static int
2051snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2052{
2053	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2054
2055	spin_lock_irq(&rme96->lock);
2056	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2057	spin_unlock_irq(&rme96->lock);
2058	return 0;
2059}
2060static int
2061snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2062{
2063	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2064	unsigned int val;
2065	int change;
2066
2067	val = ucontrol->value.enumerated.item[0] % 4;
2068	spin_lock_irq(&rme96->lock);
2069
2070	change = (int)val != snd_rme96_getattenuation(rme96);
2071	snd_rme96_setattenuation(rme96, val);
2072	spin_unlock_irq(&rme96->lock);
2073	return change;
2074}
2075
2076static int
2077snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2078{
2079	static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2080
2081	return snd_ctl_enum_info(uinfo, 1, 4, texts);
2082}
2083static int
2084snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2085{
2086	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2087
2088	spin_lock_irq(&rme96->lock);
2089	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2090	spin_unlock_irq(&rme96->lock);
2091	return 0;
2092}
2093static int
2094snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2095{
2096	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2097	unsigned int val;
2098	int change;
2099
2100	val = ucontrol->value.enumerated.item[0] % 4;
2101	spin_lock_irq(&rme96->lock);
2102	change = (int)val != snd_rme96_getmontracks(rme96);
2103	snd_rme96_setmontracks(rme96, val);
2104	spin_unlock_irq(&rme96->lock);
2105	return change;
2106}
2107
2108static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2109{
2110	u32 val = 0;
2111	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2112	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2113	if (val & RME96_WCR_PRO)
2114		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2115	else
2116		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2117	return val;
2118}
2119
2120static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2121{
2122	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2123			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2124	if (val & RME96_WCR_PRO)
2125		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2126	else
2127		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2128}
2129
2130static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2131{
2132	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2133	uinfo->count = 1;
2134	return 0;
2135}
2136
2137static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2138{
2139	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2140
2141	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2142	return 0;
2143}
2144
2145static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2146{
2147	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2148	int change;
2149	u32 val;
2150
2151	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2152	spin_lock_irq(&rme96->lock);
2153	change = val != rme96->wcreg_spdif;
2154	rme96->wcreg_spdif = val;
2155	spin_unlock_irq(&rme96->lock);
2156	return change;
2157}
2158
2159static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2160{
2161	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2162	uinfo->count = 1;
2163	return 0;
2164}
2165
2166static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2167{
2168	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2169
2170	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2171	return 0;
2172}
2173
2174static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2175{
2176	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2177	int change;
2178	u32 val;
2179
2180	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2181	spin_lock_irq(&rme96->lock);
2182	change = val != rme96->wcreg_spdif_stream;
2183	rme96->wcreg_spdif_stream = val;
2184	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2185	rme96->wcreg |= val;
2186	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2187	spin_unlock_irq(&rme96->lock);
2188	return change;
2189}
2190
2191static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2192{
2193	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2194	uinfo->count = 1;
2195	return 0;
2196}
2197
2198static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2199{
2200	ucontrol->value.iec958.status[0] = kcontrol->private_value;
2201	return 0;
2202}
2203
2204static int
2205snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2206{
2207	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2208
2209        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2210        uinfo->count = 2;
2211        uinfo->value.integer.min = 0;
2212	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2213        return 0;
2214}
2215
2216static int
2217snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2218{
2219	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2220
2221	spin_lock_irq(&rme96->lock);
2222        u->value.integer.value[0] = rme96->vol[0];
2223        u->value.integer.value[1] = rme96->vol[1];
2224	spin_unlock_irq(&rme96->lock);
2225
2226        return 0;
2227}
2228
2229static int
2230snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2231{
2232	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2233        int change = 0;
2234	unsigned int vol, maxvol;
2235
2236
2237	if (!RME96_HAS_ANALOG_OUT(rme96))
2238		return -EINVAL;
2239	maxvol = RME96_185X_MAX_OUT(rme96);
2240	spin_lock_irq(&rme96->lock);
2241	vol = u->value.integer.value[0];
2242	if (vol != rme96->vol[0] && vol <= maxvol) {
2243		rme96->vol[0] = vol;
2244		change = 1;
2245	}
2246	vol = u->value.integer.value[1];
2247	if (vol != rme96->vol[1] && vol <= maxvol) {
2248		rme96->vol[1] = vol;
2249		change = 1;
2250	}
2251	if (change)
2252		snd_rme96_apply_dac_volume(rme96);
2253	spin_unlock_irq(&rme96->lock);
2254
2255        return change;
2256}
2257
2258static struct snd_kcontrol_new snd_rme96_controls[] = {
2259{
2260	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2261	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2262	.info =		snd_rme96_control_spdif_info,
2263	.get =		snd_rme96_control_spdif_get,
2264	.put =		snd_rme96_control_spdif_put
2265},
2266{
2267	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2268	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2269	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2270	.info =		snd_rme96_control_spdif_stream_info,
2271	.get =		snd_rme96_control_spdif_stream_get,
2272	.put =		snd_rme96_control_spdif_stream_put
2273},
2274{
2275	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2276	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2277	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2278	.info =		snd_rme96_control_spdif_mask_info,
2279	.get =		snd_rme96_control_spdif_mask_get,
2280	.private_value = IEC958_AES0_NONAUDIO |
2281			IEC958_AES0_PROFESSIONAL |
2282			IEC958_AES0_CON_EMPHASIS
2283},
2284{
2285	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
2286	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
2287	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2288	.info =		snd_rme96_control_spdif_mask_info,
2289	.get =		snd_rme96_control_spdif_mask_get,
2290	.private_value = IEC958_AES0_NONAUDIO |
2291			IEC958_AES0_PROFESSIONAL |
2292			IEC958_AES0_PRO_EMPHASIS
2293},
2294{
2295        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2296	.name =         "Input Connector",
2297	.info =         snd_rme96_info_inputtype_control,
2298	.get =          snd_rme96_get_inputtype_control,
2299	.put =          snd_rme96_put_inputtype_control
2300},
2301{
2302        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2303	.name =         "Loopback Input",
2304	.info =         snd_rme96_info_loopback_control,
2305	.get =          snd_rme96_get_loopback_control,
2306	.put =          snd_rme96_put_loopback_control
2307},
2308{
2309        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2310	.name =         "Sample Clock Source",
2311	.info =         snd_rme96_info_clockmode_control,
2312	.get =          snd_rme96_get_clockmode_control,
2313	.put =          snd_rme96_put_clockmode_control
2314},
2315{
2316        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2317	.name =         "Monitor Tracks",
2318	.info =         snd_rme96_info_montracks_control,
2319	.get =          snd_rme96_get_montracks_control,
2320	.put =          snd_rme96_put_montracks_control
2321},
2322{
2323        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2324	.name =         "Attenuation",
2325	.info =         snd_rme96_info_attenuation_control,
2326	.get =          snd_rme96_get_attenuation_control,
2327	.put =          snd_rme96_put_attenuation_control
2328},
2329{
2330        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2331	.name =         "DAC Playback Volume",
2332	.info =         snd_rme96_dac_volume_info,
2333	.get =          snd_rme96_dac_volume_get,
2334	.put =          snd_rme96_dac_volume_put
2335}
2336};
2337
2338static int
2339snd_rme96_create_switches(struct snd_card *card,
2340			  struct rme96 *rme96)
2341{
2342	int idx, err;
2343	struct snd_kcontrol *kctl;
2344
2345	for (idx = 0; idx < 7; idx++) {
2346		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2347			return err;
2348		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
2349			rme96->spdif_ctl = kctl;
2350	}
2351
2352	if (RME96_HAS_ANALOG_OUT(rme96)) {
2353		for (idx = 7; idx < 10; idx++)
2354			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2355				return err;
2356	}
2357
2358	return 0;
2359}
2360
2361/*
2362 * Card initialisation
2363 */
2364
2365#ifdef CONFIG_PM_SLEEP
2366
2367static int rme96_suspend(struct device *dev)
2368{
2369	struct snd_card *card = dev_get_drvdata(dev);
2370	struct rme96 *rme96 = card->private_data;
2371
2372	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2373	snd_pcm_suspend(rme96->playback_substream);
2374	snd_pcm_suspend(rme96->capture_substream);
2375
2376	/* save capture & playback pointers */
2377	rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2378				  & RME96_RCR_AUDIO_ADDR_MASK;
2379	rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2380				 & RME96_RCR_AUDIO_ADDR_MASK;
2381
2382	/* save playback and capture buffers */
2383	memcpy_fromio(rme96->playback_suspend_buffer,
2384		      rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2385	memcpy_fromio(rme96->capture_suspend_buffer,
2386		      rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2387
2388	/* disable the DAC  */
2389	rme96->areg &= ~RME96_AR_DAC_EN;
2390	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2391	return 0;
2392}
2393
2394static int rme96_resume(struct device *dev)
2395{
2396	struct snd_card *card = dev_get_drvdata(dev);
2397	struct rme96 *rme96 = card->private_data;
2398
2399	/* reset playback and record buffer pointers */
2400	writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2401		  + rme96->playback_pointer);
2402	writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2403		  + rme96->capture_pointer);
2404
2405	/* restore playback and capture buffers */
2406	memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2407		    rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2408	memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2409		    rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2410
2411	/* reset the ADC */
2412	writel(rme96->areg | RME96_AR_PD2,
2413	       rme96->iobase + RME96_IO_ADDITIONAL_REG);
2414	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2415
2416	/* reset and enable DAC, restore analog volume */
2417	snd_rme96_reset_dac(rme96);
2418	rme96->areg |= RME96_AR_DAC_EN;
2419	writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2420	if (RME96_HAS_ANALOG_OUT(rme96)) {
2421		usleep_range(3000, 10000);
2422		snd_rme96_apply_dac_volume(rme96);
2423	}
2424
2425	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2426
2427	return 0;
2428}
2429
2430static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2431#define RME96_PM_OPS	&rme96_pm
2432#else
2433#define RME96_PM_OPS	NULL
2434#endif /* CONFIG_PM_SLEEP */
2435
2436static void snd_rme96_card_free(struct snd_card *card)
2437{
2438	snd_rme96_free(card->private_data);
2439}
2440
2441static int
2442snd_rme96_probe(struct pci_dev *pci,
2443		const struct pci_device_id *pci_id)
2444{
2445	static int dev;
2446	struct rme96 *rme96;
2447	struct snd_card *card;
2448	int err;
2449	u8 val;
2450
2451	if (dev >= SNDRV_CARDS) {
2452		return -ENODEV;
2453	}
2454	if (!enable[dev]) {
2455		dev++;
2456		return -ENOENT;
2457	}
2458	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2459			   sizeof(struct rme96), &card);
2460	if (err < 0)
2461		return err;
2462	card->private_free = snd_rme96_card_free;
2463	rme96 = card->private_data;
2464	rme96->card = card;
2465	rme96->pci = pci;
2466	if ((err = snd_rme96_create(rme96)) < 0) {
2467		snd_card_free(card);
2468		return err;
2469	}
2470
2471#ifdef CONFIG_PM_SLEEP
2472	rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2473	if (!rme96->playback_suspend_buffer) {
2474		dev_err(card->dev,
2475			   "Failed to allocate playback suspend buffer!\n");
2476		snd_card_free(card);
2477		return -ENOMEM;
2478	}
2479	rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2480	if (!rme96->capture_suspend_buffer) {
2481		dev_err(card->dev,
2482			   "Failed to allocate capture suspend buffer!\n");
2483		snd_card_free(card);
2484		return -ENOMEM;
2485	}
2486#endif
2487
2488	strcpy(card->driver, "Digi96");
2489	switch (rme96->pci->device) {
2490	case PCI_DEVICE_ID_RME_DIGI96:
2491		strcpy(card->shortname, "RME Digi96");
2492		break;
2493	case PCI_DEVICE_ID_RME_DIGI96_8:
2494		strcpy(card->shortname, "RME Digi96/8");
2495		break;
2496	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2497		strcpy(card->shortname, "RME Digi96/8 PRO");
2498		break;
2499	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2500		pci_read_config_byte(rme96->pci, 8, &val);
2501		if (val < 5) {
2502			strcpy(card->shortname, "RME Digi96/8 PAD");
2503		} else {
2504			strcpy(card->shortname, "RME Digi96/8 PST");
2505		}
2506		break;
2507	}
2508	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2509		rme96->port, rme96->irq);
2510
2511	if ((err = snd_card_register(card)) < 0) {
2512		snd_card_free(card);
2513		return err;
2514	}
2515	pci_set_drvdata(pci, card);
2516	dev++;
2517	return 0;
2518}
2519
2520static void snd_rme96_remove(struct pci_dev *pci)
2521{
2522	snd_card_free(pci_get_drvdata(pci));
2523}
2524
2525static struct pci_driver rme96_driver = {
2526	.name = KBUILD_MODNAME,
2527	.id_table = snd_rme96_ids,
2528	.probe = snd_rme96_probe,
2529	.remove = snd_rme96_remove,
2530	.driver = {
2531		.pm = RME96_PM_OPS,
2532	},
2533};
2534
2535module_pci_driver(rme96_driver);
2536