xref: /kernel/linux/linux-5.10/sound/pci/rme32.c (revision 8c2ecf20)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *   ALSA driver for RME Digi32, Digi32/8 and Digi32 PRO audio interfaces
4 *
5 *      Copyright (c) 2002-2004 Martin Langer <martin-langer@gmx.de>,
6 *                              Pilo Chambert <pilo.c@wanadoo.fr>
7 *
8 *      Thanks to :        Anders Torger <torger@ludd.luth.se>,
9 *                         Henk Hesselink <henk@anda.nl>
10 *                         for writing the digi96-driver
11 *                         and RME for all informations.
12 *
13 * ****************************************************************************
14 *
15 * Note #1 "Sek'd models" ................................... martin 2002-12-07
16 *
17 * Identical soundcards by Sek'd were labeled:
18 * RME Digi 32     = Sek'd Prodif 32
19 * RME Digi 32 Pro = Sek'd Prodif 96
20 * RME Digi 32/8   = Sek'd Prodif Gold
21 *
22 * ****************************************************************************
23 *
24 * Note #2 "full duplex mode" ............................... martin 2002-12-07
25 *
26 * Full duplex doesn't work. All cards (32, 32/8, 32Pro) are working identical
27 * in this mode. Rec data and play data are using the same buffer therefore. At
28 * first you have got the playing bits in the buffer and then (after playing
29 * them) they were overwitten by the captured sound of the CS8412/14. Both
30 * modes (play/record) are running harmonically hand in hand in the same buffer
31 * and you have only one start bit plus one interrupt bit to control this
32 * paired action.
33 * This is opposite to the latter rme96 where playing and capturing is totally
34 * separated and so their full duplex mode is supported by alsa (using two
35 * start bits and two interrupts for two different buffers).
36 * But due to the wrong sequence of playing and capturing ALSA shows no solved
37 * full duplex support for the rme32 at the moment. That's bad, but I'm not
38 * able to solve it. Are you motivated enough to solve this problem now? Your
39 * patch would be welcome!
40 *
41 * ****************************************************************************
42 *
43 * "The story after the long seeking" -- tiwai
44 *
45 * Ok, the situation regarding the full duplex is now improved a bit.
46 * In the fullduplex mode (given by the module parameter), the hardware buffer
47 * is split to halves for read and write directions at the DMA pointer.
48 * That is, the half above the current DMA pointer is used for write, and
49 * the half below is used for read.  To mangle this strange behavior, an
50 * software intermediate buffer is introduced.  This is, of course, not good
51 * from the viewpoint of the data transfer efficiency.  However, this allows
52 * you to use arbitrary buffer sizes, instead of the fixed I/O buffer size.
53 *
54 * ****************************************************************************
55 */
56
57
58#include <linux/delay.h>
59#include <linux/gfp.h>
60#include <linux/init.h>
61#include <linux/interrupt.h>
62#include <linux/pci.h>
63#include <linux/module.h>
64#include <linux/io.h>
65
66#include <sound/core.h>
67#include <sound/info.h>
68#include <sound/control.h>
69#include <sound/pcm.h>
70#include <sound/pcm_params.h>
71#include <sound/pcm-indirect.h>
72#include <sound/asoundef.h>
73#include <sound/initval.h>
74
75static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
76static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
77static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
78static bool fullduplex[SNDRV_CARDS]; // = {[0 ... (SNDRV_CARDS - 1)] = 1};
79
80module_param_array(index, int, NULL, 0444);
81MODULE_PARM_DESC(index, "Index value for RME Digi32 soundcard.");
82module_param_array(id, charp, NULL, 0444);
83MODULE_PARM_DESC(id, "ID string for RME Digi32 soundcard.");
84module_param_array(enable, bool, NULL, 0444);
85MODULE_PARM_DESC(enable, "Enable RME Digi32 soundcard.");
86module_param_array(fullduplex, bool, NULL, 0444);
87MODULE_PARM_DESC(fullduplex, "Support full-duplex mode.");
88MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>, Pilo Chambert <pilo.c@wanadoo.fr>");
89MODULE_DESCRIPTION("RME Digi32, Digi32/8, Digi32 PRO");
90MODULE_LICENSE("GPL");
91MODULE_SUPPORTED_DEVICE("{{RME,Digi32}," "{RME,Digi32/8}," "{RME,Digi32 PRO}}");
92
93/* Defines for RME Digi32 series */
94#define RME32_SPDIF_NCHANNELS 2
95
96/* Playback and capture buffer size */
97#define RME32_BUFFER_SIZE 0x20000
98
99/* IO area size */
100#define RME32_IO_SIZE 0x30000
101
102/* IO area offsets */
103#define RME32_IO_DATA_BUFFER        0x0
104#define RME32_IO_CONTROL_REGISTER   0x20000
105#define RME32_IO_GET_POS            0x20000
106#define RME32_IO_CONFIRM_ACTION_IRQ 0x20004
107#define RME32_IO_RESET_POS          0x20100
108
109/* Write control register bits */
110#define RME32_WCR_START     (1 << 0)    /* startbit */
111#define RME32_WCR_MONO      (1 << 1)    /* 0=stereo, 1=mono
112                                           Setting the whole card to mono
113                                           doesn't seem to be very useful.
114                                           A software-solution can handle
115                                           full-duplex with one direction in
116                                           stereo and the other way in mono.
117                                           So, the hardware should work all
118                                           the time in stereo! */
119#define RME32_WCR_MODE24    (1 << 2)    /* 0=16bit, 1=32bit */
120#define RME32_WCR_SEL       (1 << 3)    /* 0=input on output, 1=normal playback/capture */
121#define RME32_WCR_FREQ_0    (1 << 4)    /* frequency (play) */
122#define RME32_WCR_FREQ_1    (1 << 5)
123#define RME32_WCR_INP_0     (1 << 6)    /* input switch */
124#define RME32_WCR_INP_1     (1 << 7)
125#define RME32_WCR_RESET     (1 << 8)    /* Reset address */
126#define RME32_WCR_MUTE      (1 << 9)    /* digital mute for output */
127#define RME32_WCR_PRO       (1 << 10)   /* 1=professional, 0=consumer */
128#define RME32_WCR_DS_BM     (1 << 11)	/* 1=DoubleSpeed (only PRO-Version); 1=BlockMode (only Adat-Version) */
129#define RME32_WCR_ADAT      (1 << 12)	/* Adat Mode (only Adat-Version) */
130#define RME32_WCR_AUTOSYNC  (1 << 13)   /* AutoSync */
131#define RME32_WCR_PD        (1 << 14)	/* DAC Reset (only PRO-Version) */
132#define RME32_WCR_EMP       (1 << 15)	/* 1=Emphasis on (only PRO-Version) */
133
134#define RME32_WCR_BITPOS_FREQ_0 4
135#define RME32_WCR_BITPOS_FREQ_1 5
136#define RME32_WCR_BITPOS_INP_0 6
137#define RME32_WCR_BITPOS_INP_1 7
138
139/* Read control register bits */
140#define RME32_RCR_AUDIO_ADDR_MASK 0x1ffff
141#define RME32_RCR_LOCK      (1 << 23)   /* 1=locked, 0=not locked */
142#define RME32_RCR_ERF       (1 << 26)   /* 1=Error, 0=no Error */
143#define RME32_RCR_FREQ_0    (1 << 27)   /* CS841x frequency (record) */
144#define RME32_RCR_FREQ_1    (1 << 28)
145#define RME32_RCR_FREQ_2    (1 << 29)
146#define RME32_RCR_KMODE     (1 << 30)   /* card mode: 1=PLL, 0=quartz */
147#define RME32_RCR_IRQ       (1 << 31)   /* interrupt */
148
149#define RME32_RCR_BITPOS_F0 27
150#define RME32_RCR_BITPOS_F1 28
151#define RME32_RCR_BITPOS_F2 29
152
153/* Input types */
154#define RME32_INPUT_OPTICAL 0
155#define RME32_INPUT_COAXIAL 1
156#define RME32_INPUT_INTERNAL 2
157#define RME32_INPUT_XLR 3
158
159/* Clock modes */
160#define RME32_CLOCKMODE_SLAVE 0
161#define RME32_CLOCKMODE_MASTER_32 1
162#define RME32_CLOCKMODE_MASTER_44 2
163#define RME32_CLOCKMODE_MASTER_48 3
164
165/* Block sizes in bytes */
166#define RME32_BLOCK_SIZE 8192
167
168/* Software intermediate buffer (max) size */
169#define RME32_MID_BUFFER_SIZE (1024*1024)
170
171/* Hardware revisions */
172#define RME32_32_REVISION 192
173#define RME32_328_REVISION_OLD 100
174#define RME32_328_REVISION_NEW 101
175#define RME32_PRO_REVISION_WITH_8412 192
176#define RME32_PRO_REVISION_WITH_8414 150
177
178
179struct rme32 {
180	spinlock_t lock;
181	int irq;
182	unsigned long port;
183	void __iomem *iobase;
184
185	u32 wcreg;		/* cached write control register value */
186	u32 wcreg_spdif;	/* S/PDIF setup */
187	u32 wcreg_spdif_stream;	/* S/PDIF setup (temporary) */
188	u32 rcreg;		/* cached read control register value */
189
190	u8 rev;			/* card revision number */
191
192	struct snd_pcm_substream *playback_substream;
193	struct snd_pcm_substream *capture_substream;
194
195	int playback_frlog;	/* log2 of framesize */
196	int capture_frlog;
197
198	size_t playback_periodsize;	/* in bytes, zero if not used */
199	size_t capture_periodsize;	/* in bytes, zero if not used */
200
201	unsigned int fullduplex_mode;
202	int running;
203
204	struct snd_pcm_indirect playback_pcm;
205	struct snd_pcm_indirect capture_pcm;
206
207	struct snd_card *card;
208	struct snd_pcm *spdif_pcm;
209	struct snd_pcm *adat_pcm;
210	struct pci_dev *pci;
211	struct snd_kcontrol *spdif_ctl;
212};
213
214static const struct pci_device_id snd_rme32_ids[] = {
215	{PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32), 0,},
216	{PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_8), 0,},
217	{PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_PRO), 0,},
218	{0,}
219};
220
221MODULE_DEVICE_TABLE(pci, snd_rme32_ids);
222
223#define RME32_ISWORKING(rme32) ((rme32)->wcreg & RME32_WCR_START)
224#define RME32_PRO_WITH_8414(rme32) ((rme32)->pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO && (rme32)->rev == RME32_PRO_REVISION_WITH_8414)
225
226static int snd_rme32_playback_prepare(struct snd_pcm_substream *substream);
227
228static int snd_rme32_capture_prepare(struct snd_pcm_substream *substream);
229
230static int snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
231
232static void snd_rme32_proc_init(struct rme32 * rme32);
233
234static int snd_rme32_create_switches(struct snd_card *card, struct rme32 * rme32);
235
236static inline unsigned int snd_rme32_pcm_byteptr(struct rme32 * rme32)
237{
238	return (readl(rme32->iobase + RME32_IO_GET_POS)
239		& RME32_RCR_AUDIO_ADDR_MASK);
240}
241
242/* silence callback for halfduplex mode */
243static int snd_rme32_playback_silence(struct snd_pcm_substream *substream,
244				      int channel, unsigned long pos,
245				      unsigned long count)
246{
247	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
248
249	memset_io(rme32->iobase + RME32_IO_DATA_BUFFER + pos, 0, count);
250	return 0;
251}
252
253/* copy callback for halfduplex mode */
254static int snd_rme32_playback_copy(struct snd_pcm_substream *substream,
255				   int channel, unsigned long pos,
256				   void __user *src, unsigned long count)
257{
258	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
259
260	if (copy_from_user_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos,
261				src, count))
262		return -EFAULT;
263	return 0;
264}
265
266static int snd_rme32_playback_copy_kernel(struct snd_pcm_substream *substream,
267					  int channel, unsigned long pos,
268					  void *src, unsigned long count)
269{
270	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
271
272	memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, src, count);
273	return 0;
274}
275
276/* copy callback for halfduplex mode */
277static int snd_rme32_capture_copy(struct snd_pcm_substream *substream,
278				  int channel, unsigned long pos,
279				  void __user *dst, unsigned long count)
280{
281	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
282
283	if (copy_to_user_fromio(dst,
284			    rme32->iobase + RME32_IO_DATA_BUFFER + pos,
285			    count))
286		return -EFAULT;
287	return 0;
288}
289
290static int snd_rme32_capture_copy_kernel(struct snd_pcm_substream *substream,
291					 int channel, unsigned long pos,
292					 void *dst, unsigned long count)
293{
294	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
295
296	memcpy_fromio(dst, rme32->iobase + RME32_IO_DATA_BUFFER + pos, count);
297	return 0;
298}
299
300/*
301 * SPDIF I/O capabilities (half-duplex mode)
302 */
303static const struct snd_pcm_hardware snd_rme32_spdif_info = {
304	.info =		(SNDRV_PCM_INFO_MMAP_IOMEM |
305			 SNDRV_PCM_INFO_MMAP_VALID |
306			 SNDRV_PCM_INFO_INTERLEAVED |
307			 SNDRV_PCM_INFO_PAUSE |
308			 SNDRV_PCM_INFO_SYNC_START |
309			 SNDRV_PCM_INFO_SYNC_APPLPTR),
310	.formats =	(SNDRV_PCM_FMTBIT_S16_LE |
311			 SNDRV_PCM_FMTBIT_S32_LE),
312	.rates =	(SNDRV_PCM_RATE_32000 |
313			 SNDRV_PCM_RATE_44100 |
314			 SNDRV_PCM_RATE_48000),
315	.rate_min =	32000,
316	.rate_max =	48000,
317	.channels_min =	2,
318	.channels_max =	2,
319	.buffer_bytes_max = RME32_BUFFER_SIZE,
320	.period_bytes_min = RME32_BLOCK_SIZE,
321	.period_bytes_max = RME32_BLOCK_SIZE,
322	.periods_min =	RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
323	.periods_max =	RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
324	.fifo_size =	0,
325};
326
327/*
328 * ADAT I/O capabilities (half-duplex mode)
329 */
330static const struct snd_pcm_hardware snd_rme32_adat_info =
331{
332	.info =		     (SNDRV_PCM_INFO_MMAP_IOMEM |
333			      SNDRV_PCM_INFO_MMAP_VALID |
334			      SNDRV_PCM_INFO_INTERLEAVED |
335			      SNDRV_PCM_INFO_PAUSE |
336			      SNDRV_PCM_INFO_SYNC_START |
337			      SNDRV_PCM_INFO_SYNC_APPLPTR),
338	.formats=            SNDRV_PCM_FMTBIT_S16_LE,
339	.rates =             (SNDRV_PCM_RATE_44100 |
340			      SNDRV_PCM_RATE_48000),
341	.rate_min =          44100,
342	.rate_max =          48000,
343	.channels_min =      8,
344	.channels_max =	     8,
345	.buffer_bytes_max =  RME32_BUFFER_SIZE,
346	.period_bytes_min =  RME32_BLOCK_SIZE,
347	.period_bytes_max =  RME32_BLOCK_SIZE,
348	.periods_min =	    RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
349	.periods_max =	    RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
350	.fifo_size =	    0,
351};
352
353/*
354 * SPDIF I/O capabilities (full-duplex mode)
355 */
356static const struct snd_pcm_hardware snd_rme32_spdif_fd_info = {
357	.info =		(SNDRV_PCM_INFO_MMAP |
358			 SNDRV_PCM_INFO_MMAP_VALID |
359			 SNDRV_PCM_INFO_INTERLEAVED |
360			 SNDRV_PCM_INFO_PAUSE |
361			 SNDRV_PCM_INFO_SYNC_START |
362			 SNDRV_PCM_INFO_SYNC_APPLPTR),
363	.formats =	(SNDRV_PCM_FMTBIT_S16_LE |
364			 SNDRV_PCM_FMTBIT_S32_LE),
365	.rates =	(SNDRV_PCM_RATE_32000 |
366			 SNDRV_PCM_RATE_44100 |
367			 SNDRV_PCM_RATE_48000),
368	.rate_min =	32000,
369	.rate_max =	48000,
370	.channels_min =	2,
371	.channels_max =	2,
372	.buffer_bytes_max = RME32_MID_BUFFER_SIZE,
373	.period_bytes_min = RME32_BLOCK_SIZE,
374	.period_bytes_max = RME32_BLOCK_SIZE,
375	.periods_min =	2,
376	.periods_max =	RME32_MID_BUFFER_SIZE / RME32_BLOCK_SIZE,
377	.fifo_size =	0,
378};
379
380/*
381 * ADAT I/O capabilities (full-duplex mode)
382 */
383static const struct snd_pcm_hardware snd_rme32_adat_fd_info =
384{
385	.info =		     (SNDRV_PCM_INFO_MMAP |
386			      SNDRV_PCM_INFO_MMAP_VALID |
387			      SNDRV_PCM_INFO_INTERLEAVED |
388			      SNDRV_PCM_INFO_PAUSE |
389			      SNDRV_PCM_INFO_SYNC_START |
390			      SNDRV_PCM_INFO_SYNC_APPLPTR),
391	.formats=            SNDRV_PCM_FMTBIT_S16_LE,
392	.rates =             (SNDRV_PCM_RATE_44100 |
393			      SNDRV_PCM_RATE_48000),
394	.rate_min =          44100,
395	.rate_max =          48000,
396	.channels_min =      8,
397	.channels_max =	     8,
398	.buffer_bytes_max =  RME32_MID_BUFFER_SIZE,
399	.period_bytes_min =  RME32_BLOCK_SIZE,
400	.period_bytes_max =  RME32_BLOCK_SIZE,
401	.periods_min =	    2,
402	.periods_max =	    RME32_MID_BUFFER_SIZE / RME32_BLOCK_SIZE,
403	.fifo_size =	    0,
404};
405
406static void snd_rme32_reset_dac(struct rme32 *rme32)
407{
408        writel(rme32->wcreg | RME32_WCR_PD,
409               rme32->iobase + RME32_IO_CONTROL_REGISTER);
410        writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
411}
412
413static int snd_rme32_playback_getrate(struct rme32 * rme32)
414{
415	int rate;
416
417	rate = ((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_0) & 1) +
418	       (((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_1) & 1) << 1);
419	switch (rate) {
420	case 1:
421		rate = 32000;
422		break;
423	case 2:
424		rate = 44100;
425		break;
426	case 3:
427		rate = 48000;
428		break;
429	default:
430		return -1;
431	}
432	return (rme32->wcreg & RME32_WCR_DS_BM) ? rate << 1 : rate;
433}
434
435static int snd_rme32_capture_getrate(struct rme32 * rme32, int *is_adat)
436{
437	int n;
438
439	*is_adat = 0;
440	if (rme32->rcreg & RME32_RCR_LOCK) {
441                /* ADAT rate */
442                *is_adat = 1;
443	}
444	if (rme32->rcreg & RME32_RCR_ERF) {
445		return -1;
446	}
447
448        /* S/PDIF rate */
449	n = ((rme32->rcreg >> RME32_RCR_BITPOS_F0) & 1) +
450		(((rme32->rcreg >> RME32_RCR_BITPOS_F1) & 1) << 1) +
451		(((rme32->rcreg >> RME32_RCR_BITPOS_F2) & 1) << 2);
452
453	if (RME32_PRO_WITH_8414(rme32))
454		switch (n) {	/* supporting the CS8414 */
455		case 0:
456		case 1:
457		case 2:
458			return -1;
459		case 3:
460			return 96000;
461		case 4:
462			return 88200;
463		case 5:
464			return 48000;
465		case 6:
466			return 44100;
467		case 7:
468			return 32000;
469		default:
470			return -1;
471			break;
472		}
473	else
474		switch (n) {	/* supporting the CS8412 */
475		case 0:
476			return -1;
477		case 1:
478			return 48000;
479		case 2:
480			return 44100;
481		case 3:
482			return 32000;
483		case 4:
484			return 48000;
485		case 5:
486			return 44100;
487		case 6:
488			return 44056;
489		case 7:
490			return 32000;
491		default:
492			break;
493		}
494	return -1;
495}
496
497static int snd_rme32_playback_setrate(struct rme32 * rme32, int rate)
498{
499        int ds;
500
501        ds = rme32->wcreg & RME32_WCR_DS_BM;
502	switch (rate) {
503	case 32000:
504		rme32->wcreg &= ~RME32_WCR_DS_BM;
505		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
506			~RME32_WCR_FREQ_1;
507		break;
508	case 44100:
509		rme32->wcreg &= ~RME32_WCR_DS_BM;
510		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_1) &
511			~RME32_WCR_FREQ_0;
512		break;
513	case 48000:
514		rme32->wcreg &= ~RME32_WCR_DS_BM;
515		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
516			RME32_WCR_FREQ_1;
517		break;
518	case 64000:
519		if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
520			return -EINVAL;
521		rme32->wcreg |= RME32_WCR_DS_BM;
522		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
523			~RME32_WCR_FREQ_1;
524		break;
525	case 88200:
526		if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
527			return -EINVAL;
528		rme32->wcreg |= RME32_WCR_DS_BM;
529		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_1) &
530			~RME32_WCR_FREQ_0;
531		break;
532	case 96000:
533		if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
534			return -EINVAL;
535		rme32->wcreg |= RME32_WCR_DS_BM;
536		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
537			RME32_WCR_FREQ_1;
538		break;
539	default:
540		return -EINVAL;
541	}
542        if ((!ds && rme32->wcreg & RME32_WCR_DS_BM) ||
543            (ds && !(rme32->wcreg & RME32_WCR_DS_BM)))
544        {
545                /* change to/from double-speed: reset the DAC (if available) */
546                snd_rme32_reset_dac(rme32);
547        } else {
548                writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
549	}
550	return 0;
551}
552
553static int snd_rme32_setclockmode(struct rme32 * rme32, int mode)
554{
555	switch (mode) {
556	case RME32_CLOCKMODE_SLAVE:
557		/* AutoSync */
558		rme32->wcreg = (rme32->wcreg & ~RME32_WCR_FREQ_0) &
559			~RME32_WCR_FREQ_1;
560		break;
561	case RME32_CLOCKMODE_MASTER_32:
562		/* Internal 32.0kHz */
563		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
564			~RME32_WCR_FREQ_1;
565		break;
566	case RME32_CLOCKMODE_MASTER_44:
567		/* Internal 44.1kHz */
568		rme32->wcreg = (rme32->wcreg & ~RME32_WCR_FREQ_0) |
569			RME32_WCR_FREQ_1;
570		break;
571	case RME32_CLOCKMODE_MASTER_48:
572		/* Internal 48.0kHz */
573		rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
574			RME32_WCR_FREQ_1;
575		break;
576	default:
577		return -EINVAL;
578	}
579	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
580	return 0;
581}
582
583static int snd_rme32_getclockmode(struct rme32 * rme32)
584{
585	return ((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_0) & 1) +
586	    (((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_1) & 1) << 1);
587}
588
589static int snd_rme32_setinputtype(struct rme32 * rme32, int type)
590{
591	switch (type) {
592	case RME32_INPUT_OPTICAL:
593		rme32->wcreg = (rme32->wcreg & ~RME32_WCR_INP_0) &
594			~RME32_WCR_INP_1;
595		break;
596	case RME32_INPUT_COAXIAL:
597		rme32->wcreg = (rme32->wcreg | RME32_WCR_INP_0) &
598			~RME32_WCR_INP_1;
599		break;
600	case RME32_INPUT_INTERNAL:
601		rme32->wcreg = (rme32->wcreg & ~RME32_WCR_INP_0) |
602			RME32_WCR_INP_1;
603		break;
604	case RME32_INPUT_XLR:
605		rme32->wcreg = (rme32->wcreg | RME32_WCR_INP_0) |
606			RME32_WCR_INP_1;
607		break;
608	default:
609		return -EINVAL;
610	}
611	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
612	return 0;
613}
614
615static int snd_rme32_getinputtype(struct rme32 * rme32)
616{
617	return ((rme32->wcreg >> RME32_WCR_BITPOS_INP_0) & 1) +
618	    (((rme32->wcreg >> RME32_WCR_BITPOS_INP_1) & 1) << 1);
619}
620
621static void
622snd_rme32_setframelog(struct rme32 * rme32, int n_channels, int is_playback)
623{
624	int frlog;
625
626	if (n_channels == 2) {
627		frlog = 1;
628	} else {
629		/* assume 8 channels */
630		frlog = 3;
631	}
632	if (is_playback) {
633		frlog += (rme32->wcreg & RME32_WCR_MODE24) ? 2 : 1;
634		rme32->playback_frlog = frlog;
635	} else {
636		frlog += (rme32->wcreg & RME32_WCR_MODE24) ? 2 : 1;
637		rme32->capture_frlog = frlog;
638	}
639}
640
641static int snd_rme32_setformat(struct rme32 *rme32, snd_pcm_format_t format)
642{
643	switch (format) {
644	case SNDRV_PCM_FORMAT_S16_LE:
645		rme32->wcreg &= ~RME32_WCR_MODE24;
646		break;
647	case SNDRV_PCM_FORMAT_S32_LE:
648		rme32->wcreg |= RME32_WCR_MODE24;
649		break;
650	default:
651		return -EINVAL;
652	}
653	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
654	return 0;
655}
656
657static int
658snd_rme32_playback_hw_params(struct snd_pcm_substream *substream,
659			     struct snd_pcm_hw_params *params)
660{
661	int err, rate, dummy;
662	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
663	struct snd_pcm_runtime *runtime = substream->runtime;
664
665	if (!rme32->fullduplex_mode) {
666		runtime->dma_area = (void __force *)(rme32->iobase +
667						     RME32_IO_DATA_BUFFER);
668		runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
669		runtime->dma_bytes = RME32_BUFFER_SIZE;
670	}
671
672	spin_lock_irq(&rme32->lock);
673	if ((rme32->rcreg & RME32_RCR_KMODE) &&
674	    (rate = snd_rme32_capture_getrate(rme32, &dummy)) > 0) {
675		/* AutoSync */
676		if ((int)params_rate(params) != rate) {
677			spin_unlock_irq(&rme32->lock);
678			return -EIO;
679		}
680	} else if ((err = snd_rme32_playback_setrate(rme32, params_rate(params))) < 0) {
681		spin_unlock_irq(&rme32->lock);
682		return err;
683	}
684	if ((err = snd_rme32_setformat(rme32, params_format(params))) < 0) {
685		spin_unlock_irq(&rme32->lock);
686		return err;
687	}
688
689	snd_rme32_setframelog(rme32, params_channels(params), 1);
690	if (rme32->capture_periodsize != 0) {
691		if (params_period_size(params) << rme32->playback_frlog != rme32->capture_periodsize) {
692			spin_unlock_irq(&rme32->lock);
693			return -EBUSY;
694		}
695	}
696	rme32->playback_periodsize = params_period_size(params) << rme32->playback_frlog;
697	/* S/PDIF setup */
698	if ((rme32->wcreg & RME32_WCR_ADAT) == 0) {
699		rme32->wcreg &= ~(RME32_WCR_PRO | RME32_WCR_EMP);
700		rme32->wcreg |= rme32->wcreg_spdif_stream;
701		writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
702	}
703	spin_unlock_irq(&rme32->lock);
704
705	return 0;
706}
707
708static int
709snd_rme32_capture_hw_params(struct snd_pcm_substream *substream,
710			    struct snd_pcm_hw_params *params)
711{
712	int err, isadat, rate;
713	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
714	struct snd_pcm_runtime *runtime = substream->runtime;
715
716	if (!rme32->fullduplex_mode) {
717		runtime->dma_area = (void __force *)rme32->iobase +
718					RME32_IO_DATA_BUFFER;
719		runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
720		runtime->dma_bytes = RME32_BUFFER_SIZE;
721	}
722
723	spin_lock_irq(&rme32->lock);
724	/* enable AutoSync for record-preparing */
725	rme32->wcreg |= RME32_WCR_AUTOSYNC;
726	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
727
728	if ((err = snd_rme32_setformat(rme32, params_format(params))) < 0) {
729		spin_unlock_irq(&rme32->lock);
730		return err;
731	}
732	if ((err = snd_rme32_playback_setrate(rme32, params_rate(params))) < 0) {
733		spin_unlock_irq(&rme32->lock);
734		return err;
735	}
736	if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
737                if ((int)params_rate(params) != rate) {
738			spin_unlock_irq(&rme32->lock);
739                        return -EIO;
740                }
741                if ((isadat && runtime->hw.channels_min == 2) ||
742                    (!isadat && runtime->hw.channels_min == 8)) {
743			spin_unlock_irq(&rme32->lock);
744                        return -EIO;
745                }
746	}
747	/* AutoSync off for recording */
748	rme32->wcreg &= ~RME32_WCR_AUTOSYNC;
749	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
750
751	snd_rme32_setframelog(rme32, params_channels(params), 0);
752	if (rme32->playback_periodsize != 0) {
753		if (params_period_size(params) << rme32->capture_frlog !=
754		    rme32->playback_periodsize) {
755			spin_unlock_irq(&rme32->lock);
756			return -EBUSY;
757		}
758	}
759	rme32->capture_periodsize =
760	    params_period_size(params) << rme32->capture_frlog;
761	spin_unlock_irq(&rme32->lock);
762
763	return 0;
764}
765
766static void snd_rme32_pcm_start(struct rme32 * rme32, int from_pause)
767{
768	if (!from_pause) {
769		writel(0, rme32->iobase + RME32_IO_RESET_POS);
770	}
771
772	rme32->wcreg |= RME32_WCR_START;
773	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
774}
775
776static void snd_rme32_pcm_stop(struct rme32 * rme32, int to_pause)
777{
778	/*
779	 * Check if there is an unconfirmed IRQ, if so confirm it, or else
780	 * the hardware will not stop generating interrupts
781	 */
782	rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
783	if (rme32->rcreg & RME32_RCR_IRQ) {
784		writel(0, rme32->iobase + RME32_IO_CONFIRM_ACTION_IRQ);
785	}
786	rme32->wcreg &= ~RME32_WCR_START;
787	if (rme32->wcreg & RME32_WCR_SEL)
788		rme32->wcreg |= RME32_WCR_MUTE;
789	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
790	if (! to_pause)
791		writel(0, rme32->iobase + RME32_IO_RESET_POS);
792}
793
794static irqreturn_t snd_rme32_interrupt(int irq, void *dev_id)
795{
796	struct rme32 *rme32 = (struct rme32 *) dev_id;
797
798	rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
799	if (!(rme32->rcreg & RME32_RCR_IRQ)) {
800		return IRQ_NONE;
801	} else {
802		if (rme32->capture_substream) {
803			snd_pcm_period_elapsed(rme32->capture_substream);
804		}
805		if (rme32->playback_substream) {
806			snd_pcm_period_elapsed(rme32->playback_substream);
807		}
808		writel(0, rme32->iobase + RME32_IO_CONFIRM_ACTION_IRQ);
809	}
810	return IRQ_HANDLED;
811}
812
813static const unsigned int period_bytes[] = { RME32_BLOCK_SIZE };
814
815static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
816	.count = ARRAY_SIZE(period_bytes),
817	.list = period_bytes,
818	.mask = 0
819};
820
821static void snd_rme32_set_buffer_constraint(struct rme32 *rme32, struct snd_pcm_runtime *runtime)
822{
823	if (! rme32->fullduplex_mode) {
824		snd_pcm_hw_constraint_single(runtime,
825					     SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
826					     RME32_BUFFER_SIZE);
827		snd_pcm_hw_constraint_list(runtime, 0,
828					   SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
829					   &hw_constraints_period_bytes);
830	}
831}
832
833static int snd_rme32_playback_spdif_open(struct snd_pcm_substream *substream)
834{
835	int rate, dummy;
836	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
837	struct snd_pcm_runtime *runtime = substream->runtime;
838
839	snd_pcm_set_sync(substream);
840
841	spin_lock_irq(&rme32->lock);
842	if (rme32->playback_substream != NULL) {
843		spin_unlock_irq(&rme32->lock);
844		return -EBUSY;
845	}
846	rme32->wcreg &= ~RME32_WCR_ADAT;
847	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
848	rme32->playback_substream = substream;
849	spin_unlock_irq(&rme32->lock);
850
851	if (rme32->fullduplex_mode)
852		runtime->hw = snd_rme32_spdif_fd_info;
853	else
854		runtime->hw = snd_rme32_spdif_info;
855	if (rme32->pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO) {
856		runtime->hw.rates |= SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000;
857		runtime->hw.rate_max = 96000;
858	}
859	if ((rme32->rcreg & RME32_RCR_KMODE) &&
860	    (rate = snd_rme32_capture_getrate(rme32, &dummy)) > 0) {
861		/* AutoSync */
862		runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
863		runtime->hw.rate_min = rate;
864		runtime->hw.rate_max = rate;
865	}
866
867	snd_rme32_set_buffer_constraint(rme32, runtime);
868
869	rme32->wcreg_spdif_stream = rme32->wcreg_spdif;
870	rme32->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
871	snd_ctl_notify(rme32->card, SNDRV_CTL_EVENT_MASK_VALUE |
872		       SNDRV_CTL_EVENT_MASK_INFO, &rme32->spdif_ctl->id);
873	return 0;
874}
875
876static int snd_rme32_capture_spdif_open(struct snd_pcm_substream *substream)
877{
878	int isadat, rate;
879	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
880	struct snd_pcm_runtime *runtime = substream->runtime;
881
882	snd_pcm_set_sync(substream);
883
884	spin_lock_irq(&rme32->lock);
885        if (rme32->capture_substream != NULL) {
886		spin_unlock_irq(&rme32->lock);
887                return -EBUSY;
888        }
889	rme32->capture_substream = substream;
890	spin_unlock_irq(&rme32->lock);
891
892	if (rme32->fullduplex_mode)
893		runtime->hw = snd_rme32_spdif_fd_info;
894	else
895		runtime->hw = snd_rme32_spdif_info;
896	if (RME32_PRO_WITH_8414(rme32)) {
897		runtime->hw.rates |= SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000;
898		runtime->hw.rate_max = 96000;
899	}
900	if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
901		if (isadat) {
902			return -EIO;
903		}
904		runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
905		runtime->hw.rate_min = rate;
906		runtime->hw.rate_max = rate;
907	}
908
909	snd_rme32_set_buffer_constraint(rme32, runtime);
910
911	return 0;
912}
913
914static int
915snd_rme32_playback_adat_open(struct snd_pcm_substream *substream)
916{
917	int rate, dummy;
918	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
919	struct snd_pcm_runtime *runtime = substream->runtime;
920
921	snd_pcm_set_sync(substream);
922
923	spin_lock_irq(&rme32->lock);
924        if (rme32->playback_substream != NULL) {
925		spin_unlock_irq(&rme32->lock);
926                return -EBUSY;
927        }
928	rme32->wcreg |= RME32_WCR_ADAT;
929	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
930	rme32->playback_substream = substream;
931	spin_unlock_irq(&rme32->lock);
932
933	if (rme32->fullduplex_mode)
934		runtime->hw = snd_rme32_adat_fd_info;
935	else
936		runtime->hw = snd_rme32_adat_info;
937	if ((rme32->rcreg & RME32_RCR_KMODE) &&
938	    (rate = snd_rme32_capture_getrate(rme32, &dummy)) > 0) {
939                /* AutoSync */
940                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
941                runtime->hw.rate_min = rate;
942                runtime->hw.rate_max = rate;
943	}
944
945	snd_rme32_set_buffer_constraint(rme32, runtime);
946	return 0;
947}
948
949static int
950snd_rme32_capture_adat_open(struct snd_pcm_substream *substream)
951{
952	int isadat, rate;
953	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
954	struct snd_pcm_runtime *runtime = substream->runtime;
955
956	if (rme32->fullduplex_mode)
957		runtime->hw = snd_rme32_adat_fd_info;
958	else
959		runtime->hw = snd_rme32_adat_info;
960	if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
961		if (!isadat) {
962			return -EIO;
963		}
964                runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
965                runtime->hw.rate_min = rate;
966                runtime->hw.rate_max = rate;
967        }
968
969	snd_pcm_set_sync(substream);
970
971	spin_lock_irq(&rme32->lock);
972	if (rme32->capture_substream != NULL) {
973		spin_unlock_irq(&rme32->lock);
974		return -EBUSY;
975        }
976	rme32->capture_substream = substream;
977	spin_unlock_irq(&rme32->lock);
978
979	snd_rme32_set_buffer_constraint(rme32, runtime);
980	return 0;
981}
982
983static int snd_rme32_playback_close(struct snd_pcm_substream *substream)
984{
985	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
986	int spdif = 0;
987
988	spin_lock_irq(&rme32->lock);
989	rme32->playback_substream = NULL;
990	rme32->playback_periodsize = 0;
991	spdif = (rme32->wcreg & RME32_WCR_ADAT) == 0;
992	spin_unlock_irq(&rme32->lock);
993	if (spdif) {
994		rme32->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
995		snd_ctl_notify(rme32->card, SNDRV_CTL_EVENT_MASK_VALUE |
996			       SNDRV_CTL_EVENT_MASK_INFO,
997			       &rme32->spdif_ctl->id);
998	}
999	return 0;
1000}
1001
1002static int snd_rme32_capture_close(struct snd_pcm_substream *substream)
1003{
1004	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1005
1006	spin_lock_irq(&rme32->lock);
1007	rme32->capture_substream = NULL;
1008	rme32->capture_periodsize = 0;
1009	spin_unlock_irq(&rme32->lock);
1010	return 0;
1011}
1012
1013static int snd_rme32_playback_prepare(struct snd_pcm_substream *substream)
1014{
1015	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1016
1017	spin_lock_irq(&rme32->lock);
1018	if (rme32->fullduplex_mode) {
1019		memset(&rme32->playback_pcm, 0, sizeof(rme32->playback_pcm));
1020		rme32->playback_pcm.hw_buffer_size = RME32_BUFFER_SIZE;
1021		rme32->playback_pcm.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1022	} else {
1023		writel(0, rme32->iobase + RME32_IO_RESET_POS);
1024	}
1025	if (rme32->wcreg & RME32_WCR_SEL)
1026		rme32->wcreg &= ~RME32_WCR_MUTE;
1027	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
1028	spin_unlock_irq(&rme32->lock);
1029	return 0;
1030}
1031
1032static int snd_rme32_capture_prepare(struct snd_pcm_substream *substream)
1033{
1034	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1035
1036	spin_lock_irq(&rme32->lock);
1037	if (rme32->fullduplex_mode) {
1038		memset(&rme32->capture_pcm, 0, sizeof(rme32->capture_pcm));
1039		rme32->capture_pcm.hw_buffer_size = RME32_BUFFER_SIZE;
1040		rme32->capture_pcm.hw_queue_size = RME32_BUFFER_SIZE / 2;
1041		rme32->capture_pcm.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1042	} else {
1043		writel(0, rme32->iobase + RME32_IO_RESET_POS);
1044	}
1045	spin_unlock_irq(&rme32->lock);
1046	return 0;
1047}
1048
1049static int
1050snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1051{
1052	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1053	struct snd_pcm_substream *s;
1054
1055	spin_lock(&rme32->lock);
1056	snd_pcm_group_for_each_entry(s, substream) {
1057		if (s != rme32->playback_substream &&
1058		    s != rme32->capture_substream)
1059			continue;
1060		switch (cmd) {
1061		case SNDRV_PCM_TRIGGER_START:
1062			rme32->running |= (1 << s->stream);
1063			if (rme32->fullduplex_mode) {
1064				/* remember the current DMA position */
1065				if (s == rme32->playback_substream) {
1066					rme32->playback_pcm.hw_io =
1067					rme32->playback_pcm.hw_data = snd_rme32_pcm_byteptr(rme32);
1068				} else {
1069					rme32->capture_pcm.hw_io =
1070					rme32->capture_pcm.hw_data = snd_rme32_pcm_byteptr(rme32);
1071				}
1072			}
1073			break;
1074		case SNDRV_PCM_TRIGGER_STOP:
1075			rme32->running &= ~(1 << s->stream);
1076			break;
1077		}
1078		snd_pcm_trigger_done(s, substream);
1079	}
1080
1081	switch (cmd) {
1082	case SNDRV_PCM_TRIGGER_START:
1083		if (rme32->running && ! RME32_ISWORKING(rme32))
1084			snd_rme32_pcm_start(rme32, 0);
1085		break;
1086	case SNDRV_PCM_TRIGGER_STOP:
1087		if (! rme32->running && RME32_ISWORKING(rme32))
1088			snd_rme32_pcm_stop(rme32, 0);
1089		break;
1090	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1091		if (rme32->running && RME32_ISWORKING(rme32))
1092			snd_rme32_pcm_stop(rme32, 1);
1093		break;
1094	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1095		if (rme32->running && ! RME32_ISWORKING(rme32))
1096			snd_rme32_pcm_start(rme32, 1);
1097		break;
1098	}
1099	spin_unlock(&rme32->lock);
1100	return 0;
1101}
1102
1103/* pointer callback for halfduplex mode */
1104static snd_pcm_uframes_t
1105snd_rme32_playback_pointer(struct snd_pcm_substream *substream)
1106{
1107	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1108	return snd_rme32_pcm_byteptr(rme32) >> rme32->playback_frlog;
1109}
1110
1111static snd_pcm_uframes_t
1112snd_rme32_capture_pointer(struct snd_pcm_substream *substream)
1113{
1114	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1115	return snd_rme32_pcm_byteptr(rme32) >> rme32->capture_frlog;
1116}
1117
1118
1119/* ack and pointer callbacks for fullduplex mode */
1120static void snd_rme32_pb_trans_copy(struct snd_pcm_substream *substream,
1121				    struct snd_pcm_indirect *rec, size_t bytes)
1122{
1123	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1124	memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + rec->hw_data,
1125		    substream->runtime->dma_area + rec->sw_data, bytes);
1126}
1127
1128static int snd_rme32_playback_fd_ack(struct snd_pcm_substream *substream)
1129{
1130	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1131	struct snd_pcm_indirect *rec, *cprec;
1132
1133	rec = &rme32->playback_pcm;
1134	cprec = &rme32->capture_pcm;
1135	spin_lock(&rme32->lock);
1136	rec->hw_queue_size = RME32_BUFFER_SIZE;
1137	if (rme32->running & (1 << SNDRV_PCM_STREAM_CAPTURE))
1138		rec->hw_queue_size -= cprec->hw_ready;
1139	spin_unlock(&rme32->lock);
1140	return snd_pcm_indirect_playback_transfer(substream, rec,
1141						  snd_rme32_pb_trans_copy);
1142}
1143
1144static void snd_rme32_cp_trans_copy(struct snd_pcm_substream *substream,
1145				    struct snd_pcm_indirect *rec, size_t bytes)
1146{
1147	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1148	memcpy_fromio(substream->runtime->dma_area + rec->sw_data,
1149		      rme32->iobase + RME32_IO_DATA_BUFFER + rec->hw_data,
1150		      bytes);
1151}
1152
1153static int snd_rme32_capture_fd_ack(struct snd_pcm_substream *substream)
1154{
1155	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1156	return snd_pcm_indirect_capture_transfer(substream, &rme32->capture_pcm,
1157						 snd_rme32_cp_trans_copy);
1158}
1159
1160static snd_pcm_uframes_t
1161snd_rme32_playback_fd_pointer(struct snd_pcm_substream *substream)
1162{
1163	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1164	return snd_pcm_indirect_playback_pointer(substream, &rme32->playback_pcm,
1165						 snd_rme32_pcm_byteptr(rme32));
1166}
1167
1168static snd_pcm_uframes_t
1169snd_rme32_capture_fd_pointer(struct snd_pcm_substream *substream)
1170{
1171	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
1172	return snd_pcm_indirect_capture_pointer(substream, &rme32->capture_pcm,
1173						snd_rme32_pcm_byteptr(rme32));
1174}
1175
1176/* for halfduplex mode */
1177static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = {
1178	.open =		snd_rme32_playback_spdif_open,
1179	.close =	snd_rme32_playback_close,
1180	.hw_params =	snd_rme32_playback_hw_params,
1181	.prepare =	snd_rme32_playback_prepare,
1182	.trigger =	snd_rme32_pcm_trigger,
1183	.pointer =	snd_rme32_playback_pointer,
1184	.copy_user =	snd_rme32_playback_copy,
1185	.copy_kernel =	snd_rme32_playback_copy_kernel,
1186	.fill_silence =	snd_rme32_playback_silence,
1187	.mmap =		snd_pcm_lib_mmap_iomem,
1188};
1189
1190static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = {
1191	.open =		snd_rme32_capture_spdif_open,
1192	.close =	snd_rme32_capture_close,
1193	.hw_params =	snd_rme32_capture_hw_params,
1194	.prepare =	snd_rme32_capture_prepare,
1195	.trigger =	snd_rme32_pcm_trigger,
1196	.pointer =	snd_rme32_capture_pointer,
1197	.copy_user =	snd_rme32_capture_copy,
1198	.copy_kernel =	snd_rme32_capture_copy_kernel,
1199	.mmap =		snd_pcm_lib_mmap_iomem,
1200};
1201
1202static const struct snd_pcm_ops snd_rme32_playback_adat_ops = {
1203	.open =		snd_rme32_playback_adat_open,
1204	.close =	snd_rme32_playback_close,
1205	.hw_params =	snd_rme32_playback_hw_params,
1206	.prepare =	snd_rme32_playback_prepare,
1207	.trigger =	snd_rme32_pcm_trigger,
1208	.pointer =	snd_rme32_playback_pointer,
1209	.copy_user =	snd_rme32_playback_copy,
1210	.copy_kernel =	snd_rme32_playback_copy_kernel,
1211	.fill_silence =	snd_rme32_playback_silence,
1212	.mmap =		snd_pcm_lib_mmap_iomem,
1213};
1214
1215static const struct snd_pcm_ops snd_rme32_capture_adat_ops = {
1216	.open =		snd_rme32_capture_adat_open,
1217	.close =	snd_rme32_capture_close,
1218	.hw_params =	snd_rme32_capture_hw_params,
1219	.prepare =	snd_rme32_capture_prepare,
1220	.trigger =	snd_rme32_pcm_trigger,
1221	.pointer =	snd_rme32_capture_pointer,
1222	.copy_user =	snd_rme32_capture_copy,
1223	.copy_kernel =	snd_rme32_capture_copy_kernel,
1224	.mmap =		snd_pcm_lib_mmap_iomem,
1225};
1226
1227/* for fullduplex mode */
1228static const struct snd_pcm_ops snd_rme32_playback_spdif_fd_ops = {
1229	.open =		snd_rme32_playback_spdif_open,
1230	.close =	snd_rme32_playback_close,
1231	.hw_params =	snd_rme32_playback_hw_params,
1232	.prepare =	snd_rme32_playback_prepare,
1233	.trigger =	snd_rme32_pcm_trigger,
1234	.pointer =	snd_rme32_playback_fd_pointer,
1235	.ack =		snd_rme32_playback_fd_ack,
1236};
1237
1238static const struct snd_pcm_ops snd_rme32_capture_spdif_fd_ops = {
1239	.open =		snd_rme32_capture_spdif_open,
1240	.close =	snd_rme32_capture_close,
1241	.hw_params =	snd_rme32_capture_hw_params,
1242	.prepare =	snd_rme32_capture_prepare,
1243	.trigger =	snd_rme32_pcm_trigger,
1244	.pointer =	snd_rme32_capture_fd_pointer,
1245	.ack =		snd_rme32_capture_fd_ack,
1246};
1247
1248static const struct snd_pcm_ops snd_rme32_playback_adat_fd_ops = {
1249	.open =		snd_rme32_playback_adat_open,
1250	.close =	snd_rme32_playback_close,
1251	.hw_params =	snd_rme32_playback_hw_params,
1252	.prepare =	snd_rme32_playback_prepare,
1253	.trigger =	snd_rme32_pcm_trigger,
1254	.pointer =	snd_rme32_playback_fd_pointer,
1255	.ack =		snd_rme32_playback_fd_ack,
1256};
1257
1258static const struct snd_pcm_ops snd_rme32_capture_adat_fd_ops = {
1259	.open =		snd_rme32_capture_adat_open,
1260	.close =	snd_rme32_capture_close,
1261	.hw_params =	snd_rme32_capture_hw_params,
1262	.prepare =	snd_rme32_capture_prepare,
1263	.trigger =	snd_rme32_pcm_trigger,
1264	.pointer =	snd_rme32_capture_fd_pointer,
1265	.ack =		snd_rme32_capture_fd_ack,
1266};
1267
1268static void snd_rme32_free(void *private_data)
1269{
1270	struct rme32 *rme32 = (struct rme32 *) private_data;
1271
1272	if (rme32 == NULL) {
1273		return;
1274	}
1275	if (rme32->irq >= 0) {
1276		snd_rme32_pcm_stop(rme32, 0);
1277		free_irq(rme32->irq, (void *) rme32);
1278		rme32->irq = -1;
1279	}
1280	if (rme32->iobase) {
1281		iounmap(rme32->iobase);
1282		rme32->iobase = NULL;
1283	}
1284	if (rme32->port) {
1285		pci_release_regions(rme32->pci);
1286		rme32->port = 0;
1287	}
1288	pci_disable_device(rme32->pci);
1289}
1290
1291static void snd_rme32_free_spdif_pcm(struct snd_pcm *pcm)
1292{
1293	struct rme32 *rme32 = (struct rme32 *) pcm->private_data;
1294	rme32->spdif_pcm = NULL;
1295}
1296
1297static void
1298snd_rme32_free_adat_pcm(struct snd_pcm *pcm)
1299{
1300	struct rme32 *rme32 = (struct rme32 *) pcm->private_data;
1301	rme32->adat_pcm = NULL;
1302}
1303
1304static int snd_rme32_create(struct rme32 *rme32)
1305{
1306	struct pci_dev *pci = rme32->pci;
1307	int err;
1308
1309	rme32->irq = -1;
1310	spin_lock_init(&rme32->lock);
1311
1312	if ((err = pci_enable_device(pci)) < 0)
1313		return err;
1314
1315	if ((err = pci_request_regions(pci, "RME32")) < 0)
1316		return err;
1317	rme32->port = pci_resource_start(rme32->pci, 0);
1318
1319	rme32->iobase = ioremap(rme32->port, RME32_IO_SIZE);
1320	if (!rme32->iobase) {
1321		dev_err(rme32->card->dev,
1322			"unable to remap memory region 0x%lx-0x%lx\n",
1323			   rme32->port, rme32->port + RME32_IO_SIZE - 1);
1324		return -ENOMEM;
1325	}
1326
1327	if (request_irq(pci->irq, snd_rme32_interrupt, IRQF_SHARED,
1328			KBUILD_MODNAME, rme32)) {
1329		dev_err(rme32->card->dev, "unable to grab IRQ %d\n", pci->irq);
1330		return -EBUSY;
1331	}
1332	rme32->irq = pci->irq;
1333	rme32->card->sync_irq = rme32->irq;
1334
1335	/* read the card's revision number */
1336	pci_read_config_byte(pci, 8, &rme32->rev);
1337
1338	/* set up ALSA pcm device for S/PDIF */
1339	if ((err = snd_pcm_new(rme32->card, "Digi32 IEC958", 0, 1, 1, &rme32->spdif_pcm)) < 0) {
1340		return err;
1341	}
1342	rme32->spdif_pcm->private_data = rme32;
1343	rme32->spdif_pcm->private_free = snd_rme32_free_spdif_pcm;
1344	strcpy(rme32->spdif_pcm->name, "Digi32 IEC958");
1345	if (rme32->fullduplex_mode) {
1346		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK,
1347				&snd_rme32_playback_spdif_fd_ops);
1348		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE,
1349				&snd_rme32_capture_spdif_fd_ops);
1350		snd_pcm_set_managed_buffer_all(rme32->spdif_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1351					       NULL, 0, RME32_MID_BUFFER_SIZE);
1352		rme32->spdif_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1353	} else {
1354		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK,
1355				&snd_rme32_playback_spdif_ops);
1356		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE,
1357				&snd_rme32_capture_spdif_ops);
1358		rme32->spdif_pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
1359	}
1360
1361	/* set up ALSA pcm device for ADAT */
1362	if ((pci->device == PCI_DEVICE_ID_RME_DIGI32) ||
1363	    (pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO)) {
1364		/* ADAT is not available on DIGI32 and DIGI32 Pro */
1365		rme32->adat_pcm = NULL;
1366	}
1367	else {
1368		if ((err = snd_pcm_new(rme32->card, "Digi32 ADAT", 1,
1369				       1, 1, &rme32->adat_pcm)) < 0)
1370		{
1371			return err;
1372		}
1373		rme32->adat_pcm->private_data = rme32;
1374		rme32->adat_pcm->private_free = snd_rme32_free_adat_pcm;
1375		strcpy(rme32->adat_pcm->name, "Digi32 ADAT");
1376		if (rme32->fullduplex_mode) {
1377			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK,
1378					&snd_rme32_playback_adat_fd_ops);
1379			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_CAPTURE,
1380					&snd_rme32_capture_adat_fd_ops);
1381			snd_pcm_set_managed_buffer_all(rme32->adat_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1382						       NULL,
1383						       0, RME32_MID_BUFFER_SIZE);
1384			rme32->adat_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1385		} else {
1386			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK,
1387					&snd_rme32_playback_adat_ops);
1388			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_CAPTURE,
1389					&snd_rme32_capture_adat_ops);
1390			rme32->adat_pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
1391		}
1392	}
1393
1394
1395	rme32->playback_periodsize = 0;
1396	rme32->capture_periodsize = 0;
1397
1398	/* make sure playback/capture is stopped, if by some reason active */
1399	snd_rme32_pcm_stop(rme32, 0);
1400
1401        /* reset DAC */
1402        snd_rme32_reset_dac(rme32);
1403
1404	/* reset buffer pointer */
1405	writel(0, rme32->iobase + RME32_IO_RESET_POS);
1406
1407	/* set default values in registers */
1408	rme32->wcreg = RME32_WCR_SEL |	 /* normal playback */
1409		RME32_WCR_INP_0 | /* input select */
1410		RME32_WCR_MUTE;	 /* muting on */
1411	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
1412
1413
1414	/* init switch interface */
1415	if ((err = snd_rme32_create_switches(rme32->card, rme32)) < 0) {
1416		return err;
1417	}
1418
1419	/* init proc interface */
1420	snd_rme32_proc_init(rme32);
1421
1422	rme32->capture_substream = NULL;
1423	rme32->playback_substream = NULL;
1424
1425	return 0;
1426}
1427
1428/*
1429 * proc interface
1430 */
1431
1432static void
1433snd_rme32_proc_read(struct snd_info_entry * entry, struct snd_info_buffer *buffer)
1434{
1435	int n;
1436	struct rme32 *rme32 = (struct rme32 *) entry->private_data;
1437
1438	rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
1439
1440	snd_iprintf(buffer, rme32->card->longname);
1441	snd_iprintf(buffer, " (index #%d)\n", rme32->card->number + 1);
1442
1443	snd_iprintf(buffer, "\nGeneral settings\n");
1444	if (rme32->fullduplex_mode)
1445		snd_iprintf(buffer, "  Full-duplex mode\n");
1446	else
1447		snd_iprintf(buffer, "  Half-duplex mode\n");
1448	if (RME32_PRO_WITH_8414(rme32)) {
1449		snd_iprintf(buffer, "  receiver: CS8414\n");
1450	} else {
1451		snd_iprintf(buffer, "  receiver: CS8412\n");
1452	}
1453	if (rme32->wcreg & RME32_WCR_MODE24) {
1454		snd_iprintf(buffer, "  format: 24 bit");
1455	} else {
1456		snd_iprintf(buffer, "  format: 16 bit");
1457	}
1458	if (rme32->wcreg & RME32_WCR_MONO) {
1459		snd_iprintf(buffer, ", Mono\n");
1460	} else {
1461		snd_iprintf(buffer, ", Stereo\n");
1462	}
1463
1464	snd_iprintf(buffer, "\nInput settings\n");
1465	switch (snd_rme32_getinputtype(rme32)) {
1466	case RME32_INPUT_OPTICAL:
1467		snd_iprintf(buffer, "  input: optical");
1468		break;
1469	case RME32_INPUT_COAXIAL:
1470		snd_iprintf(buffer, "  input: coaxial");
1471		break;
1472	case RME32_INPUT_INTERNAL:
1473		snd_iprintf(buffer, "  input: internal");
1474		break;
1475	case RME32_INPUT_XLR:
1476		snd_iprintf(buffer, "  input: XLR");
1477		break;
1478	}
1479	if (snd_rme32_capture_getrate(rme32, &n) < 0) {
1480		snd_iprintf(buffer, "\n  sample rate: no valid signal\n");
1481	} else {
1482		if (n) {
1483			snd_iprintf(buffer, " (8 channels)\n");
1484		} else {
1485			snd_iprintf(buffer, " (2 channels)\n");
1486		}
1487		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1488			    snd_rme32_capture_getrate(rme32, &n));
1489	}
1490
1491	snd_iprintf(buffer, "\nOutput settings\n");
1492	if (rme32->wcreg & RME32_WCR_SEL) {
1493		snd_iprintf(buffer, "  output signal: normal playback");
1494	} else {
1495		snd_iprintf(buffer, "  output signal: same as input");
1496	}
1497	if (rme32->wcreg & RME32_WCR_MUTE) {
1498		snd_iprintf(buffer, " (muted)\n");
1499	} else {
1500		snd_iprintf(buffer, "\n");
1501	}
1502
1503	/* master output frequency */
1504	if (!
1505	    ((!(rme32->wcreg & RME32_WCR_FREQ_0))
1506	     && (!(rme32->wcreg & RME32_WCR_FREQ_1)))) {
1507		snd_iprintf(buffer, "  sample rate: %d Hz\n",
1508			    snd_rme32_playback_getrate(rme32));
1509	}
1510	if (rme32->rcreg & RME32_RCR_KMODE) {
1511		snd_iprintf(buffer, "  sample clock source: AutoSync\n");
1512	} else {
1513		snd_iprintf(buffer, "  sample clock source: Internal\n");
1514	}
1515	if (rme32->wcreg & RME32_WCR_PRO) {
1516		snd_iprintf(buffer, "  format: AES/EBU (professional)\n");
1517	} else {
1518		snd_iprintf(buffer, "  format: IEC958 (consumer)\n");
1519	}
1520	if (rme32->wcreg & RME32_WCR_EMP) {
1521		snd_iprintf(buffer, "  emphasis: on\n");
1522	} else {
1523		snd_iprintf(buffer, "  emphasis: off\n");
1524	}
1525}
1526
1527static void snd_rme32_proc_init(struct rme32 *rme32)
1528{
1529	snd_card_ro_proc_new(rme32->card, "rme32", rme32, snd_rme32_proc_read);
1530}
1531
1532/*
1533 * control interface
1534 */
1535
1536#define snd_rme32_info_loopback_control		snd_ctl_boolean_mono_info
1537
1538static int
1539snd_rme32_get_loopback_control(struct snd_kcontrol *kcontrol,
1540			       struct snd_ctl_elem_value *ucontrol)
1541{
1542	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1543
1544	spin_lock_irq(&rme32->lock);
1545	ucontrol->value.integer.value[0] =
1546	    rme32->wcreg & RME32_WCR_SEL ? 0 : 1;
1547	spin_unlock_irq(&rme32->lock);
1548	return 0;
1549}
1550static int
1551snd_rme32_put_loopback_control(struct snd_kcontrol *kcontrol,
1552			       struct snd_ctl_elem_value *ucontrol)
1553{
1554	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1555	unsigned int val;
1556	int change;
1557
1558	val = ucontrol->value.integer.value[0] ? 0 : RME32_WCR_SEL;
1559	spin_lock_irq(&rme32->lock);
1560	val = (rme32->wcreg & ~RME32_WCR_SEL) | val;
1561	change = val != rme32->wcreg;
1562	if (ucontrol->value.integer.value[0])
1563		val &= ~RME32_WCR_MUTE;
1564	else
1565		val |= RME32_WCR_MUTE;
1566	rme32->wcreg = val;
1567	writel(val, rme32->iobase + RME32_IO_CONTROL_REGISTER);
1568	spin_unlock_irq(&rme32->lock);
1569	return change;
1570}
1571
1572static int
1573snd_rme32_info_inputtype_control(struct snd_kcontrol *kcontrol,
1574				 struct snd_ctl_elem_info *uinfo)
1575{
1576	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1577	static const char * const texts[4] = {
1578		"Optical", "Coaxial", "Internal", "XLR"
1579	};
1580	int num_items;
1581
1582	switch (rme32->pci->device) {
1583	case PCI_DEVICE_ID_RME_DIGI32:
1584	case PCI_DEVICE_ID_RME_DIGI32_8:
1585		num_items = 3;
1586		break;
1587	case PCI_DEVICE_ID_RME_DIGI32_PRO:
1588		num_items = 4;
1589		break;
1590	default:
1591		snd_BUG();
1592		return -EINVAL;
1593	}
1594	return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1595}
1596static int
1597snd_rme32_get_inputtype_control(struct snd_kcontrol *kcontrol,
1598				struct snd_ctl_elem_value *ucontrol)
1599{
1600	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1601	unsigned int items = 3;
1602
1603	spin_lock_irq(&rme32->lock);
1604	ucontrol->value.enumerated.item[0] = snd_rme32_getinputtype(rme32);
1605
1606	switch (rme32->pci->device) {
1607	case PCI_DEVICE_ID_RME_DIGI32:
1608	case PCI_DEVICE_ID_RME_DIGI32_8:
1609		items = 3;
1610		break;
1611	case PCI_DEVICE_ID_RME_DIGI32_PRO:
1612		items = 4;
1613		break;
1614	default:
1615		snd_BUG();
1616		break;
1617	}
1618	if (ucontrol->value.enumerated.item[0] >= items) {
1619		ucontrol->value.enumerated.item[0] = items - 1;
1620	}
1621
1622	spin_unlock_irq(&rme32->lock);
1623	return 0;
1624}
1625static int
1626snd_rme32_put_inputtype_control(struct snd_kcontrol *kcontrol,
1627				struct snd_ctl_elem_value *ucontrol)
1628{
1629	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1630	unsigned int val;
1631	int change, items = 3;
1632
1633	switch (rme32->pci->device) {
1634	case PCI_DEVICE_ID_RME_DIGI32:
1635	case PCI_DEVICE_ID_RME_DIGI32_8:
1636		items = 3;
1637		break;
1638	case PCI_DEVICE_ID_RME_DIGI32_PRO:
1639		items = 4;
1640		break;
1641	default:
1642		snd_BUG();
1643		break;
1644	}
1645	val = ucontrol->value.enumerated.item[0] % items;
1646
1647	spin_lock_irq(&rme32->lock);
1648	change = val != (unsigned int)snd_rme32_getinputtype(rme32);
1649	snd_rme32_setinputtype(rme32, val);
1650	spin_unlock_irq(&rme32->lock);
1651	return change;
1652}
1653
1654static int
1655snd_rme32_info_clockmode_control(struct snd_kcontrol *kcontrol,
1656				 struct snd_ctl_elem_info *uinfo)
1657{
1658	static const char * const texts[4] = { "AutoSync",
1659				  "Internal 32.0kHz",
1660				  "Internal 44.1kHz",
1661				  "Internal 48.0kHz" };
1662
1663	return snd_ctl_enum_info(uinfo, 1, 4, texts);
1664}
1665static int
1666snd_rme32_get_clockmode_control(struct snd_kcontrol *kcontrol,
1667				struct snd_ctl_elem_value *ucontrol)
1668{
1669	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1670
1671	spin_lock_irq(&rme32->lock);
1672	ucontrol->value.enumerated.item[0] = snd_rme32_getclockmode(rme32);
1673	spin_unlock_irq(&rme32->lock);
1674	return 0;
1675}
1676static int
1677snd_rme32_put_clockmode_control(struct snd_kcontrol *kcontrol,
1678				struct snd_ctl_elem_value *ucontrol)
1679{
1680	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1681	unsigned int val;
1682	int change;
1683
1684	val = ucontrol->value.enumerated.item[0] % 3;
1685	spin_lock_irq(&rme32->lock);
1686	change = val != (unsigned int)snd_rme32_getclockmode(rme32);
1687	snd_rme32_setclockmode(rme32, val);
1688	spin_unlock_irq(&rme32->lock);
1689	return change;
1690}
1691
1692static u32 snd_rme32_convert_from_aes(struct snd_aes_iec958 * aes)
1693{
1694	u32 val = 0;
1695	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME32_WCR_PRO : 0;
1696	if (val & RME32_WCR_PRO)
1697		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME32_WCR_EMP : 0;
1698	else
1699		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME32_WCR_EMP : 0;
1700	return val;
1701}
1702
1703static void snd_rme32_convert_to_aes(struct snd_aes_iec958 * aes, u32 val)
1704{
1705	aes->status[0] = ((val & RME32_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0);
1706	if (val & RME32_WCR_PRO)
1707		aes->status[0] |= (val & RME32_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
1708	else
1709		aes->status[0] |= (val & RME32_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
1710}
1711
1712static int snd_rme32_control_spdif_info(struct snd_kcontrol *kcontrol,
1713					struct snd_ctl_elem_info *uinfo)
1714{
1715	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1716	uinfo->count = 1;
1717	return 0;
1718}
1719
1720static int snd_rme32_control_spdif_get(struct snd_kcontrol *kcontrol,
1721				       struct snd_ctl_elem_value *ucontrol)
1722{
1723	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1724
1725	snd_rme32_convert_to_aes(&ucontrol->value.iec958,
1726				 rme32->wcreg_spdif);
1727	return 0;
1728}
1729
1730static int snd_rme32_control_spdif_put(struct snd_kcontrol *kcontrol,
1731				       struct snd_ctl_elem_value *ucontrol)
1732{
1733	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1734	int change;
1735	u32 val;
1736
1737	val = snd_rme32_convert_from_aes(&ucontrol->value.iec958);
1738	spin_lock_irq(&rme32->lock);
1739	change = val != rme32->wcreg_spdif;
1740	rme32->wcreg_spdif = val;
1741	spin_unlock_irq(&rme32->lock);
1742	return change;
1743}
1744
1745static int snd_rme32_control_spdif_stream_info(struct snd_kcontrol *kcontrol,
1746					       struct snd_ctl_elem_info *uinfo)
1747{
1748	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1749	uinfo->count = 1;
1750	return 0;
1751}
1752
1753static int snd_rme32_control_spdif_stream_get(struct snd_kcontrol *kcontrol,
1754					      struct snd_ctl_elem_value *
1755					      ucontrol)
1756{
1757	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1758
1759	snd_rme32_convert_to_aes(&ucontrol->value.iec958,
1760				 rme32->wcreg_spdif_stream);
1761	return 0;
1762}
1763
1764static int snd_rme32_control_spdif_stream_put(struct snd_kcontrol *kcontrol,
1765					      struct snd_ctl_elem_value *
1766					      ucontrol)
1767{
1768	struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
1769	int change;
1770	u32 val;
1771
1772	val = snd_rme32_convert_from_aes(&ucontrol->value.iec958);
1773	spin_lock_irq(&rme32->lock);
1774	change = val != rme32->wcreg_spdif_stream;
1775	rme32->wcreg_spdif_stream = val;
1776	rme32->wcreg &= ~(RME32_WCR_PRO | RME32_WCR_EMP);
1777	rme32->wcreg |= val;
1778	writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
1779	spin_unlock_irq(&rme32->lock);
1780	return change;
1781}
1782
1783static int snd_rme32_control_spdif_mask_info(struct snd_kcontrol *kcontrol,
1784					     struct snd_ctl_elem_info *uinfo)
1785{
1786	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1787	uinfo->count = 1;
1788	return 0;
1789}
1790
1791static int snd_rme32_control_spdif_mask_get(struct snd_kcontrol *kcontrol,
1792					    struct snd_ctl_elem_value *
1793					    ucontrol)
1794{
1795	ucontrol->value.iec958.status[0] = kcontrol->private_value;
1796	return 0;
1797}
1798
1799static const struct snd_kcontrol_new snd_rme32_controls[] = {
1800	{
1801		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1802		.name =	SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1803		.info =	snd_rme32_control_spdif_info,
1804		.get =	snd_rme32_control_spdif_get,
1805		.put =	snd_rme32_control_spdif_put
1806	},
1807	{
1808		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1809		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1810		.name =	SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1811		.info =	snd_rme32_control_spdif_stream_info,
1812		.get =	snd_rme32_control_spdif_stream_get,
1813		.put =	snd_rme32_control_spdif_stream_put
1814	},
1815	{
1816		.access = SNDRV_CTL_ELEM_ACCESS_READ,
1817		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1818		.name =	SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1819		.info =	snd_rme32_control_spdif_mask_info,
1820		.get =	snd_rme32_control_spdif_mask_get,
1821		.private_value = IEC958_AES0_PROFESSIONAL | IEC958_AES0_CON_EMPHASIS
1822	},
1823	{
1824		.access = SNDRV_CTL_ELEM_ACCESS_READ,
1825		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1826		.name =	SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1827		.info =	snd_rme32_control_spdif_mask_info,
1828		.get =	snd_rme32_control_spdif_mask_get,
1829		.private_value = IEC958_AES0_PROFESSIONAL | IEC958_AES0_PRO_EMPHASIS
1830	},
1831	{
1832		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1833		.name =	"Input Connector",
1834		.info =	snd_rme32_info_inputtype_control,
1835		.get =	snd_rme32_get_inputtype_control,
1836		.put =	snd_rme32_put_inputtype_control
1837	},
1838	{
1839		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1840		.name =	"Loopback Input",
1841		.info =	snd_rme32_info_loopback_control,
1842		.get =	snd_rme32_get_loopback_control,
1843		.put =	snd_rme32_put_loopback_control
1844	},
1845	{
1846		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1847		.name =	"Sample Clock Source",
1848		.info =	snd_rme32_info_clockmode_control,
1849		.get =	snd_rme32_get_clockmode_control,
1850		.put =	snd_rme32_put_clockmode_control
1851	}
1852};
1853
1854static int snd_rme32_create_switches(struct snd_card *card, struct rme32 * rme32)
1855{
1856	int idx, err;
1857	struct snd_kcontrol *kctl;
1858
1859	for (idx = 0; idx < (int)ARRAY_SIZE(snd_rme32_controls); idx++) {
1860		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme32_controls[idx], rme32))) < 0)
1861			return err;
1862		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
1863			rme32->spdif_ctl = kctl;
1864	}
1865
1866	return 0;
1867}
1868
1869/*
1870 * Card initialisation
1871 */
1872
1873static void snd_rme32_card_free(struct snd_card *card)
1874{
1875	snd_rme32_free(card->private_data);
1876}
1877
1878static int
1879snd_rme32_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1880{
1881	static int dev;
1882	struct rme32 *rme32;
1883	struct snd_card *card;
1884	int err;
1885
1886	if (dev >= SNDRV_CARDS) {
1887		return -ENODEV;
1888	}
1889	if (!enable[dev]) {
1890		dev++;
1891		return -ENOENT;
1892	}
1893
1894	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1895			   sizeof(struct rme32), &card);
1896	if (err < 0)
1897		return err;
1898	card->private_free = snd_rme32_card_free;
1899	rme32 = (struct rme32 *) card->private_data;
1900	rme32->card = card;
1901	rme32->pci = pci;
1902        if (fullduplex[dev])
1903		rme32->fullduplex_mode = 1;
1904	if ((err = snd_rme32_create(rme32)) < 0) {
1905		snd_card_free(card);
1906		return err;
1907	}
1908
1909	strcpy(card->driver, "Digi32");
1910	switch (rme32->pci->device) {
1911	case PCI_DEVICE_ID_RME_DIGI32:
1912		strcpy(card->shortname, "RME Digi32");
1913		break;
1914	case PCI_DEVICE_ID_RME_DIGI32_8:
1915		strcpy(card->shortname, "RME Digi32/8");
1916		break;
1917	case PCI_DEVICE_ID_RME_DIGI32_PRO:
1918		strcpy(card->shortname, "RME Digi32 PRO");
1919		break;
1920	}
1921	sprintf(card->longname, "%s (Rev. %d) at 0x%lx, irq %d",
1922		card->shortname, rme32->rev, rme32->port, rme32->irq);
1923
1924	if ((err = snd_card_register(card)) < 0) {
1925		snd_card_free(card);
1926		return err;
1927	}
1928	pci_set_drvdata(pci, card);
1929	dev++;
1930	return 0;
1931}
1932
1933static void snd_rme32_remove(struct pci_dev *pci)
1934{
1935	snd_card_free(pci_get_drvdata(pci));
1936}
1937
1938static struct pci_driver rme32_driver = {
1939	.name =		KBUILD_MODNAME,
1940	.id_table =	snd_rme32_ids,
1941	.probe =	snd_rme32_probe,
1942	.remove =	snd_rme32_remove,
1943};
1944
1945module_pci_driver(rme32_driver);
1946