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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
4 * interfaces
5 *
6 * Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
7 *
8 * Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
9 * code.
10 */
11
12#include <linux/delay.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/pci.h>
16#include <linux/module.h>
17#include <linux/vmalloc.h>
18#include <linux/io.h>
19
20#include <sound/core.h>
21#include <sound/info.h>
22#include <sound/control.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/asoundef.h>
26#include <sound/initval.h>
27
28/* note, two last pcis should be equal, it is not a bug */
29
30MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
31MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
32 "Digi96/8 PAD");
33MODULE_LICENSE("GPL");
34MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
35 "{RME,Digi96/8},"
36 "{RME,Digi96/8 PRO},"
37 "{RME,Digi96/8 PST},"
38 "{RME,Digi96/8 PAD}}");
39
40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
50
51/*
52 * Defines for RME Digi96 series, from internal RME reference documents
53 * dated 12.01.00
54 */
55
56#define RME96_SPDIF_NCHANNELS 2
57
58/* Playback and capture buffer size */
59#define RME96_BUFFER_SIZE 0x10000
60
61/* IO area size */
62#define RME96_IO_SIZE 0x60000
63
64/* IO area offsets */
65#define RME96_IO_PLAY_BUFFER 0x0
66#define RME96_IO_REC_BUFFER 0x10000
67#define RME96_IO_CONTROL_REGISTER 0x20000
68#define RME96_IO_ADDITIONAL_REG 0x20004
69#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
70#define RME96_IO_CONFIRM_REC_IRQ 0x2000C
71#define RME96_IO_SET_PLAY_POS 0x40000
72#define RME96_IO_RESET_PLAY_POS 0x4FFFC
73#define RME96_IO_SET_REC_POS 0x50000
74#define RME96_IO_RESET_REC_POS 0x5FFFC
75#define RME96_IO_GET_PLAY_POS 0x20000
76#define RME96_IO_GET_REC_POS 0x30000
77
78/* Write control register bits */
79#define RME96_WCR_START (1 << 0)
80#define RME96_WCR_START_2 (1 << 1)
81#define RME96_WCR_GAIN_0 (1 << 2)
82#define RME96_WCR_GAIN_1 (1 << 3)
83#define RME96_WCR_MODE24 (1 << 4)
84#define RME96_WCR_MODE24_2 (1 << 5)
85#define RME96_WCR_BM (1 << 6)
86#define RME96_WCR_BM_2 (1 << 7)
87#define RME96_WCR_ADAT (1 << 8)
88#define RME96_WCR_FREQ_0 (1 << 9)
89#define RME96_WCR_FREQ_1 (1 << 10)
90#define RME96_WCR_DS (1 << 11)
91#define RME96_WCR_PRO (1 << 12)
92#define RME96_WCR_EMP (1 << 13)
93#define RME96_WCR_SEL (1 << 14)
94#define RME96_WCR_MASTER (1 << 15)
95#define RME96_WCR_PD (1 << 16)
96#define RME96_WCR_INP_0 (1 << 17)
97#define RME96_WCR_INP_1 (1 << 18)
98#define RME96_WCR_THRU_0 (1 << 19)
99#define RME96_WCR_THRU_1 (1 << 20)
100#define RME96_WCR_THRU_2 (1 << 21)
101#define RME96_WCR_THRU_3 (1 << 22)
102#define RME96_WCR_THRU_4 (1 << 23)
103#define RME96_WCR_THRU_5 (1 << 24)
104#define RME96_WCR_THRU_6 (1 << 25)
105#define RME96_WCR_THRU_7 (1 << 26)
106#define RME96_WCR_DOLBY (1 << 27)
107#define RME96_WCR_MONITOR_0 (1 << 28)
108#define RME96_WCR_MONITOR_1 (1 << 29)
109#define RME96_WCR_ISEL (1 << 30)
110#define RME96_WCR_IDIS (1 << 31)
111
112#define RME96_WCR_BITPOS_GAIN_0 2
113#define RME96_WCR_BITPOS_GAIN_1 3
114#define RME96_WCR_BITPOS_FREQ_0 9
115#define RME96_WCR_BITPOS_FREQ_1 10
116#define RME96_WCR_BITPOS_INP_0 17
117#define RME96_WCR_BITPOS_INP_1 18
118#define RME96_WCR_BITPOS_MONITOR_0 28
119#define RME96_WCR_BITPOS_MONITOR_1 29
120
121/* Read control register bits */
122#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
123#define RME96_RCR_IRQ_2 (1 << 16)
124#define RME96_RCR_T_OUT (1 << 17)
125#define RME96_RCR_DEV_ID_0 (1 << 21)
126#define RME96_RCR_DEV_ID_1 (1 << 22)
127#define RME96_RCR_LOCK (1 << 23)
128#define RME96_RCR_VERF (1 << 26)
129#define RME96_RCR_F0 (1 << 27)
130#define RME96_RCR_F1 (1 << 28)
131#define RME96_RCR_F2 (1 << 29)
132#define RME96_RCR_AUTOSYNC (1 << 30)
133#define RME96_RCR_IRQ (1 << 31)
134
135#define RME96_RCR_BITPOS_F0 27
136#define RME96_RCR_BITPOS_F1 28
137#define RME96_RCR_BITPOS_F2 29
138
139/* Additional register bits */
140#define RME96_AR_WSEL (1 << 0)
141#define RME96_AR_ANALOG (1 << 1)
142#define RME96_AR_FREQPAD_0 (1 << 2)
143#define RME96_AR_FREQPAD_1 (1 << 3)
144#define RME96_AR_FREQPAD_2 (1 << 4)
145#define RME96_AR_PD2 (1 << 5)
146#define RME96_AR_DAC_EN (1 << 6)
147#define RME96_AR_CLATCH (1 << 7)
148#define RME96_AR_CCLK (1 << 8)
149#define RME96_AR_CDATA (1 << 9)
150
151#define RME96_AR_BITPOS_F0 2
152#define RME96_AR_BITPOS_F1 3
153#define RME96_AR_BITPOS_F2 4
154
155/* Monitor tracks */
156#define RME96_MONITOR_TRACKS_1_2 0
157#define RME96_MONITOR_TRACKS_3_4 1
158#define RME96_MONITOR_TRACKS_5_6 2
159#define RME96_MONITOR_TRACKS_7_8 3
160
161/* Attenuation */
162#define RME96_ATTENUATION_0 0
163#define RME96_ATTENUATION_6 1
164#define RME96_ATTENUATION_12 2
165#define RME96_ATTENUATION_18 3
166
167/* Input types */
168#define RME96_INPUT_OPTICAL 0
169#define RME96_INPUT_COAXIAL 1
170#define RME96_INPUT_INTERNAL 2
171#define RME96_INPUT_XLR 3
172#define RME96_INPUT_ANALOG 4
173
174/* Clock modes */
175#define RME96_CLOCKMODE_SLAVE 0
176#define RME96_CLOCKMODE_MASTER 1
177#define RME96_CLOCKMODE_WORDCLOCK 2
178
179/* Block sizes in bytes */
180#define RME96_SMALL_BLOCK_SIZE 2048
181#define RME96_LARGE_BLOCK_SIZE 8192
182
183/* Volume control */
184#define RME96_AD1852_VOL_BITS 14
185#define RME96_AD1855_VOL_BITS 10
186
187/* Defines for snd_rme96_trigger */
188#define RME96_TB_START_PLAYBACK 1
189#define RME96_TB_START_CAPTURE 2
190#define RME96_TB_STOP_PLAYBACK 4
191#define RME96_TB_STOP_CAPTURE 8
192#define RME96_TB_RESET_PLAYPOS 16
193#define RME96_TB_RESET_CAPTUREPOS 32
194#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
195#define RME96_TB_CLEAR_CAPTURE_IRQ 128
196#define RME96_RESUME_PLAYBACK (RME96_TB_START_PLAYBACK)
197#define RME96_RESUME_CAPTURE (RME96_TB_START_CAPTURE)
198#define RME96_RESUME_BOTH (RME96_RESUME_PLAYBACK \
199 | RME96_RESUME_CAPTURE)
200#define RME96_START_PLAYBACK (RME96_TB_START_PLAYBACK \
201 | RME96_TB_RESET_PLAYPOS)
202#define RME96_START_CAPTURE (RME96_TB_START_CAPTURE \
203 | RME96_TB_RESET_CAPTUREPOS)
204#define RME96_START_BOTH (RME96_START_PLAYBACK \
205 | RME96_START_CAPTURE)
206#define RME96_STOP_PLAYBACK (RME96_TB_STOP_PLAYBACK \
207 | RME96_TB_CLEAR_PLAYBACK_IRQ)
208#define RME96_STOP_CAPTURE (RME96_TB_STOP_CAPTURE \
209 | RME96_TB_CLEAR_CAPTURE_IRQ)
210#define RME96_STOP_BOTH (RME96_STOP_PLAYBACK \
211 | RME96_STOP_CAPTURE)
212
213struct rme96 {
214 spinlock_t lock;
215 int irq;
216 unsigned long port;
217 void __iomem *iobase;
218
219 u32 wcreg; /* cached write control register value */
220 u32 wcreg_spdif; /* S/PDIF setup */
221 u32 wcreg_spdif_stream; /* S/PDIF setup (temporary) */
222 u32 rcreg; /* cached read control register value */
223 u32 areg; /* cached additional register value */
224 u16 vol[2]; /* cached volume of analog output */
225
226 u8 rev; /* card revision number */
227
228#ifdef CONFIG_PM_SLEEP
229 u32 playback_pointer;
230 u32 capture_pointer;
231 void *playback_suspend_buffer;
232 void *capture_suspend_buffer;
233#endif
234
235 struct snd_pcm_substream *playback_substream;
236 struct snd_pcm_substream *capture_substream;
237
238 int playback_frlog; /* log2 of framesize */
239 int capture_frlog;
240
241 size_t playback_periodsize; /* in bytes, zero if not used */
242 size_t capture_periodsize; /* in bytes, zero if not used */
243
244 struct snd_card *card;
245 struct snd_pcm *spdif_pcm;
246 struct snd_pcm *adat_pcm;
247 struct pci_dev *pci;
248 struct snd_kcontrol *spdif_ctl;
249};
250
251static const struct pci_device_id snd_rme96_ids[] = {
252 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
253 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
254 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
255 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
256 { 0, }
257};
258
259MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
260
261#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
262#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
263#define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
264#define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
265 (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
266#define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
267#define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
268 ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
269#define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
270
271static int
272snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
273
274static int
275snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
276
277static int
278snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
279 int cmd);
280
281static int
282snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
283 int cmd);
284
285static snd_pcm_uframes_t
286snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
287
288static snd_pcm_uframes_t
289snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
290
291static void snd_rme96_proc_init(struct rme96 *rme96);
292
293static int
294snd_rme96_create_switches(struct snd_card *card,
295 struct rme96 *rme96);
296
297static int
298snd_rme96_getinputtype(struct rme96 *rme96);
299
300static inline unsigned int
301snd_rme96_playback_ptr(struct rme96 *rme96)
302{
303 return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
304 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
305}
306
307static inline unsigned int
308snd_rme96_capture_ptr(struct rme96 *rme96)
309{
310 return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
311 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
312}
313
314static int
315snd_rme96_playback_silence(struct snd_pcm_substream *substream,
316 int channel, unsigned long pos, unsigned long count)
317{
318 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
319
320 memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
321 0, count);
322 return 0;
323}
324
325static int
326snd_rme96_playback_copy(struct snd_pcm_substream *substream,
327 int channel, unsigned long pos,
328 void __user *src, unsigned long count)
329{
330 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
331
332 return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
333 src, count);
334}
335
336static int
337snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream,
338 int channel, unsigned long pos,
339 void *src, unsigned long count)
340{
341 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
342
343 memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count);
344 return 0;
345}
346
347static int
348snd_rme96_capture_copy(struct snd_pcm_substream *substream,
349 int channel, unsigned long pos,
350 void __user *dst, unsigned long count)
351{
352 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
353
354 return copy_to_user_fromio(dst,
355 rme96->iobase + RME96_IO_REC_BUFFER + pos,
356 count);
357}
358
359static int
360snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream,
361 int channel, unsigned long pos,
362 void *dst, unsigned long count)
363{
364 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
365
366 memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count);
367 return 0;
368}
369
370/*
371 * Digital output capabilities (S/PDIF)
372 */
373static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
374{
375 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
376 SNDRV_PCM_INFO_MMAP_VALID |
377 SNDRV_PCM_INFO_SYNC_START |
378 SNDRV_PCM_INFO_RESUME |
379 SNDRV_PCM_INFO_INTERLEAVED |
380 SNDRV_PCM_INFO_PAUSE),
381 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
382 SNDRV_PCM_FMTBIT_S32_LE),
383 .rates = (SNDRV_PCM_RATE_32000 |
384 SNDRV_PCM_RATE_44100 |
385 SNDRV_PCM_RATE_48000 |
386 SNDRV_PCM_RATE_64000 |
387 SNDRV_PCM_RATE_88200 |
388 SNDRV_PCM_RATE_96000),
389 .rate_min = 32000,
390 .rate_max = 96000,
391 .channels_min = 2,
392 .channels_max = 2,
393 .buffer_bytes_max = RME96_BUFFER_SIZE,
394 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
395 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
396 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
397 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
398 .fifo_size = 0,
399};
400
401/*
402 * Digital input capabilities (S/PDIF)
403 */
404static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
405{
406 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
407 SNDRV_PCM_INFO_MMAP_VALID |
408 SNDRV_PCM_INFO_SYNC_START |
409 SNDRV_PCM_INFO_RESUME |
410 SNDRV_PCM_INFO_INTERLEAVED |
411 SNDRV_PCM_INFO_PAUSE),
412 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
413 SNDRV_PCM_FMTBIT_S32_LE),
414 .rates = (SNDRV_PCM_RATE_32000 |
415 SNDRV_PCM_RATE_44100 |
416 SNDRV_PCM_RATE_48000 |
417 SNDRV_PCM_RATE_64000 |
418 SNDRV_PCM_RATE_88200 |
419 SNDRV_PCM_RATE_96000),
420 .rate_min = 32000,
421 .rate_max = 96000,
422 .channels_min = 2,
423 .channels_max = 2,
424 .buffer_bytes_max = RME96_BUFFER_SIZE,
425 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
426 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
427 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
428 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
429 .fifo_size = 0,
430};
431
432/*
433 * Digital output capabilities (ADAT)
434 */
435static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
436{
437 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
438 SNDRV_PCM_INFO_MMAP_VALID |
439 SNDRV_PCM_INFO_SYNC_START |
440 SNDRV_PCM_INFO_RESUME |
441 SNDRV_PCM_INFO_INTERLEAVED |
442 SNDRV_PCM_INFO_PAUSE),
443 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
444 SNDRV_PCM_FMTBIT_S32_LE),
445 .rates = (SNDRV_PCM_RATE_44100 |
446 SNDRV_PCM_RATE_48000),
447 .rate_min = 44100,
448 .rate_max = 48000,
449 .channels_min = 8,
450 .channels_max = 8,
451 .buffer_bytes_max = RME96_BUFFER_SIZE,
452 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
453 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
454 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
455 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
456 .fifo_size = 0,
457};
458
459/*
460 * Digital input capabilities (ADAT)
461 */
462static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
463{
464 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
465 SNDRV_PCM_INFO_MMAP_VALID |
466 SNDRV_PCM_INFO_SYNC_START |
467 SNDRV_PCM_INFO_RESUME |
468 SNDRV_PCM_INFO_INTERLEAVED |
469 SNDRV_PCM_INFO_PAUSE),
470 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
471 SNDRV_PCM_FMTBIT_S32_LE),
472 .rates = (SNDRV_PCM_RATE_44100 |
473 SNDRV_PCM_RATE_48000),
474 .rate_min = 44100,
475 .rate_max = 48000,
476 .channels_min = 8,
477 .channels_max = 8,
478 .buffer_bytes_max = RME96_BUFFER_SIZE,
479 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
480 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
481 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
482 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
483 .fifo_size = 0,
484};
485
486/*
487 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
488 * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
489 * on the falling edge of CCLK and be stable on the rising edge. The rising
490 * edge of CLATCH after the last data bit clocks in the whole data word.
491 * A fast processor could probably drive the SPI interface faster than the
492 * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
493 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
494 *
495 * NOTE: increased delay from 1 to 10, since there where problems setting
496 * the volume.
497 */
498static void
499snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
500{
501 int i;
502
503 for (i = 0; i < 16; i++) {
504 if (val & 0x8000) {
505 rme96->areg |= RME96_AR_CDATA;
506 } else {
507 rme96->areg &= ~RME96_AR_CDATA;
508 }
509 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
510 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
511 udelay(10);
512 rme96->areg |= RME96_AR_CCLK;
513 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
514 udelay(10);
515 val <<= 1;
516 }
517 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
518 rme96->areg |= RME96_AR_CLATCH;
519 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
520 udelay(10);
521 rme96->areg &= ~RME96_AR_CLATCH;
522 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
523}
524
525static void
526snd_rme96_apply_dac_volume(struct rme96 *rme96)
527{
528 if (RME96_DAC_IS_1852(rme96)) {
529 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
530 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
531 } else if (RME96_DAC_IS_1855(rme96)) {
532 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
533 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
534 }
535}
536
537static void
538snd_rme96_reset_dac(struct rme96 *rme96)
539{
540 writel(rme96->wcreg | RME96_WCR_PD,
541 rme96->iobase + RME96_IO_CONTROL_REGISTER);
542 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
543}
544
545static int
546snd_rme96_getmontracks(struct rme96 *rme96)
547{
548 return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
549 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
550}
551
552static int
553snd_rme96_setmontracks(struct rme96 *rme96,
554 int montracks)
555{
556 if (montracks & 1) {
557 rme96->wcreg |= RME96_WCR_MONITOR_0;
558 } else {
559 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
560 }
561 if (montracks & 2) {
562 rme96->wcreg |= RME96_WCR_MONITOR_1;
563 } else {
564 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
565 }
566 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
567 return 0;
568}
569
570static int
571snd_rme96_getattenuation(struct rme96 *rme96)
572{
573 return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
574 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
575}
576
577static int
578snd_rme96_setattenuation(struct rme96 *rme96,
579 int attenuation)
580{
581 switch (attenuation) {
582 case 0:
583 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
584 ~RME96_WCR_GAIN_1;
585 break;
586 case 1:
587 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
588 ~RME96_WCR_GAIN_1;
589 break;
590 case 2:
591 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
592 RME96_WCR_GAIN_1;
593 break;
594 case 3:
595 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
596 RME96_WCR_GAIN_1;
597 break;
598 default:
599 return -EINVAL;
600 }
601 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
602 return 0;
603}
604
605static int
606snd_rme96_capture_getrate(struct rme96 *rme96,
607 int *is_adat)
608{
609 int n, rate;
610
611 *is_adat = 0;
612 if (rme96->areg & RME96_AR_ANALOG) {
613 /* Analog input, overrides S/PDIF setting */
614 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
615 (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
616 switch (n) {
617 case 1:
618 rate = 32000;
619 break;
620 case 2:
621 rate = 44100;
622 break;
623 case 3:
624 rate = 48000;
625 break;
626 default:
627 return -1;
628 }
629 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
630 }
631
632 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
633 if (rme96->rcreg & RME96_RCR_LOCK) {
634 /* ADAT rate */
635 *is_adat = 1;
636 if (rme96->rcreg & RME96_RCR_T_OUT) {
637 return 48000;
638 }
639 return 44100;
640 }
641
642 if (rme96->rcreg & RME96_RCR_VERF) {
643 return -1;
644 }
645
646 /* S/PDIF rate */
647 n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
648 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
649 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
650
651 switch (n) {
652 case 0:
653 if (rme96->rcreg & RME96_RCR_T_OUT) {
654 return 64000;
655 }
656 return -1;
657 case 3: return 96000;
658 case 4: return 88200;
659 case 5: return 48000;
660 case 6: return 44100;
661 case 7: return 32000;
662 default:
663 break;
664 }
665 return -1;
666}
667
668static int
669snd_rme96_playback_getrate(struct rme96 *rme96)
670{
671 int rate, dummy;
672
673 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
674 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
675 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
676 {
677 /* slave clock */
678 return rate;
679 }
680 rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
681 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
682 switch (rate) {
683 case 1:
684 rate = 32000;
685 break;
686 case 2:
687 rate = 44100;
688 break;
689 case 3:
690 rate = 48000;
691 break;
692 default:
693 return -1;
694 }
695 return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
696}
697
698static int
699snd_rme96_playback_setrate(struct rme96 *rme96,
700 int rate)
701{
702 int ds;
703
704 ds = rme96->wcreg & RME96_WCR_DS;
705 switch (rate) {
706 case 32000:
707 rme96->wcreg &= ~RME96_WCR_DS;
708 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
709 ~RME96_WCR_FREQ_1;
710 break;
711 case 44100:
712 rme96->wcreg &= ~RME96_WCR_DS;
713 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
714 ~RME96_WCR_FREQ_0;
715 break;
716 case 48000:
717 rme96->wcreg &= ~RME96_WCR_DS;
718 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
719 RME96_WCR_FREQ_1;
720 break;
721 case 64000:
722 rme96->wcreg |= RME96_WCR_DS;
723 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
724 ~RME96_WCR_FREQ_1;
725 break;
726 case 88200:
727 rme96->wcreg |= RME96_WCR_DS;
728 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
729 ~RME96_WCR_FREQ_0;
730 break;
731 case 96000:
732 rme96->wcreg |= RME96_WCR_DS;
733 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
734 RME96_WCR_FREQ_1;
735 break;
736 default:
737 return -EINVAL;
738 }
739 if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
740 (ds && !(rme96->wcreg & RME96_WCR_DS)))
741 {
742 /* change to/from double-speed: reset the DAC (if available) */
743 snd_rme96_reset_dac(rme96);
744 return 1; /* need to restore volume */
745 } else {
746 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
747 return 0;
748 }
749}
750
751static int
752snd_rme96_capture_analog_setrate(struct rme96 *rme96,
753 int rate)
754{
755 switch (rate) {
756 case 32000:
757 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
758 ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
759 break;
760 case 44100:
761 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
762 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
763 break;
764 case 48000:
765 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
766 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
767 break;
768 case 64000:
769 if (rme96->rev < 4) {
770 return -EINVAL;
771 }
772 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
773 ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
774 break;
775 case 88200:
776 if (rme96->rev < 4) {
777 return -EINVAL;
778 }
779 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
780 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
781 break;
782 case 96000:
783 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
784 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
785 break;
786 default:
787 return -EINVAL;
788 }
789 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
790 return 0;
791}
792
793static int
794snd_rme96_setclockmode(struct rme96 *rme96,
795 int mode)
796{
797 switch (mode) {
798 case RME96_CLOCKMODE_SLAVE:
799 /* AutoSync */
800 rme96->wcreg &= ~RME96_WCR_MASTER;
801 rme96->areg &= ~RME96_AR_WSEL;
802 break;
803 case RME96_CLOCKMODE_MASTER:
804 /* Internal */
805 rme96->wcreg |= RME96_WCR_MASTER;
806 rme96->areg &= ~RME96_AR_WSEL;
807 break;
808 case RME96_CLOCKMODE_WORDCLOCK:
809 /* Word clock is a master mode */
810 rme96->wcreg |= RME96_WCR_MASTER;
811 rme96->areg |= RME96_AR_WSEL;
812 break;
813 default:
814 return -EINVAL;
815 }
816 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
817 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
818 return 0;
819}
820
821static int
822snd_rme96_getclockmode(struct rme96 *rme96)
823{
824 if (rme96->areg & RME96_AR_WSEL) {
825 return RME96_CLOCKMODE_WORDCLOCK;
826 }
827 return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
828 RME96_CLOCKMODE_SLAVE;
829}
830
831static int
832snd_rme96_setinputtype(struct rme96 *rme96,
833 int type)
834{
835 int n;
836
837 switch (type) {
838 case RME96_INPUT_OPTICAL:
839 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
840 ~RME96_WCR_INP_1;
841 break;
842 case RME96_INPUT_COAXIAL:
843 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
844 ~RME96_WCR_INP_1;
845 break;
846 case RME96_INPUT_INTERNAL:
847 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
848 RME96_WCR_INP_1;
849 break;
850 case RME96_INPUT_XLR:
851 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
852 rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
853 (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
854 rme96->rev > 4))
855 {
856 /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
857 return -EINVAL;
858 }
859 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
860 RME96_WCR_INP_1;
861 break;
862 case RME96_INPUT_ANALOG:
863 if (!RME96_HAS_ANALOG_IN(rme96)) {
864 return -EINVAL;
865 }
866 rme96->areg |= RME96_AR_ANALOG;
867 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
868 if (rme96->rev < 4) {
869 /*
870 * Revision less than 004 does not support 64 and
871 * 88.2 kHz
872 */
873 if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
874 snd_rme96_capture_analog_setrate(rme96, 44100);
875 }
876 if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
877 snd_rme96_capture_analog_setrate(rme96, 32000);
878 }
879 }
880 return 0;
881 default:
882 return -EINVAL;
883 }
884 if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
885 rme96->areg &= ~RME96_AR_ANALOG;
886 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
887 }
888 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
889 return 0;
890}
891
892static int
893snd_rme96_getinputtype(struct rme96 *rme96)
894{
895 if (rme96->areg & RME96_AR_ANALOG) {
896 return RME96_INPUT_ANALOG;
897 }
898 return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
899 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
900}
901
902static void
903snd_rme96_setframelog(struct rme96 *rme96,
904 int n_channels,
905 int is_playback)
906{
907 int frlog;
908
909 if (n_channels == 2) {
910 frlog = 1;
911 } else {
912 /* assume 8 channels */
913 frlog = 3;
914 }
915 if (is_playback) {
916 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
917 rme96->playback_frlog = frlog;
918 } else {
919 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
920 rme96->capture_frlog = frlog;
921 }
922}
923
924static int
925snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
926{
927 switch (format) {
928 case SNDRV_PCM_FORMAT_S16_LE:
929 rme96->wcreg &= ~RME96_WCR_MODE24;
930 break;
931 case SNDRV_PCM_FORMAT_S32_LE:
932 rme96->wcreg |= RME96_WCR_MODE24;
933 break;
934 default:
935 return -EINVAL;
936 }
937 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
938 return 0;
939}
940
941static int
942snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
943{
944 switch (format) {
945 case SNDRV_PCM_FORMAT_S16_LE:
946 rme96->wcreg &= ~RME96_WCR_MODE24_2;
947 break;
948 case SNDRV_PCM_FORMAT_S32_LE:
949 rme96->wcreg |= RME96_WCR_MODE24_2;
950 break;
951 default:
952 return -EINVAL;
953 }
954 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
955 return 0;
956}
957
958static void
959snd_rme96_set_period_properties(struct rme96 *rme96,
960 size_t period_bytes)
961{
962 switch (period_bytes) {
963 case RME96_LARGE_BLOCK_SIZE:
964 rme96->wcreg &= ~RME96_WCR_ISEL;
965 break;
966 case RME96_SMALL_BLOCK_SIZE:
967 rme96->wcreg |= RME96_WCR_ISEL;
968 break;
969 default:
970 snd_BUG();
971 break;
972 }
973 rme96->wcreg &= ~RME96_WCR_IDIS;
974 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
975}
976
977static int
978snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
979 struct snd_pcm_hw_params *params)
980{
981 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
982 struct snd_pcm_runtime *runtime = substream->runtime;
983 int err, rate, dummy;
984 bool apply_dac_volume = false;
985
986 runtime->dma_area = (void __force *)(rme96->iobase +
987 RME96_IO_PLAY_BUFFER);
988 runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
989 runtime->dma_bytes = RME96_BUFFER_SIZE;
990
991 spin_lock_irq(&rme96->lock);
992 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
993 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
994 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
995 {
996 /* slave clock */
997 if ((int)params_rate(params) != rate) {
998 err = -EIO;
999 goto error;
1000 }
1001 } else {
1002 err = snd_rme96_playback_setrate(rme96, params_rate(params));
1003 if (err < 0)
1004 goto error;
1005 apply_dac_volume = err > 0; /* need to restore volume later? */
1006 }
1007
1008 err = snd_rme96_playback_setformat(rme96, params_format(params));
1009 if (err < 0)
1010 goto error;
1011 snd_rme96_setframelog(rme96, params_channels(params), 1);
1012 if (rme96->capture_periodsize != 0) {
1013 if (params_period_size(params) << rme96->playback_frlog !=
1014 rme96->capture_periodsize)
1015 {
1016 err = -EBUSY;
1017 goto error;
1018 }
1019 }
1020 rme96->playback_periodsize =
1021 params_period_size(params) << rme96->playback_frlog;
1022 snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
1023 /* S/PDIF setup */
1024 if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
1025 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1026 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1027 }
1028
1029 err = 0;
1030 error:
1031 spin_unlock_irq(&rme96->lock);
1032 if (apply_dac_volume) {
1033 usleep_range(3000, 10000);
1034 snd_rme96_apply_dac_volume(rme96);
1035 }
1036
1037 return err;
1038}
1039
1040static int
1041snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1042 struct snd_pcm_hw_params *params)
1043{
1044 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1045 struct snd_pcm_runtime *runtime = substream->runtime;
1046 int err, isadat, rate;
1047
1048 runtime->dma_area = (void __force *)(rme96->iobase +
1049 RME96_IO_REC_BUFFER);
1050 runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1051 runtime->dma_bytes = RME96_BUFFER_SIZE;
1052
1053 spin_lock_irq(&rme96->lock);
1054 if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1055 spin_unlock_irq(&rme96->lock);
1056 return err;
1057 }
1058 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1059 if ((err = snd_rme96_capture_analog_setrate(rme96,
1060 params_rate(params))) < 0)
1061 {
1062 spin_unlock_irq(&rme96->lock);
1063 return err;
1064 }
1065 } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1066 if ((int)params_rate(params) != rate) {
1067 spin_unlock_irq(&rme96->lock);
1068 return -EIO;
1069 }
1070 if ((isadat && runtime->hw.channels_min == 2) ||
1071 (!isadat && runtime->hw.channels_min == 8))
1072 {
1073 spin_unlock_irq(&rme96->lock);
1074 return -EIO;
1075 }
1076 }
1077 snd_rme96_setframelog(rme96, params_channels(params), 0);
1078 if (rme96->playback_periodsize != 0) {
1079 if (params_period_size(params) << rme96->capture_frlog !=
1080 rme96->playback_periodsize)
1081 {
1082 spin_unlock_irq(&rme96->lock);
1083 return -EBUSY;
1084 }
1085 }
1086 rme96->capture_periodsize =
1087 params_period_size(params) << rme96->capture_frlog;
1088 snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1089 spin_unlock_irq(&rme96->lock);
1090
1091 return 0;
1092}
1093
1094static void
1095snd_rme96_trigger(struct rme96 *rme96,
1096 int op)
1097{
1098 if (op & RME96_TB_RESET_PLAYPOS)
1099 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1100 if (op & RME96_TB_RESET_CAPTUREPOS)
1101 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1102 if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1103 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1104 if (rme96->rcreg & RME96_RCR_IRQ)
1105 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1106 }
1107 if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1108 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1109 if (rme96->rcreg & RME96_RCR_IRQ_2)
1110 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1111 }
1112 if (op & RME96_TB_START_PLAYBACK)
1113 rme96->wcreg |= RME96_WCR_START;
1114 if (op & RME96_TB_STOP_PLAYBACK)
1115 rme96->wcreg &= ~RME96_WCR_START;
1116 if (op & RME96_TB_START_CAPTURE)
1117 rme96->wcreg |= RME96_WCR_START_2;
1118 if (op & RME96_TB_STOP_CAPTURE)
1119 rme96->wcreg &= ~RME96_WCR_START_2;
1120 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1121}
1122
1123
1124
1125static irqreturn_t
1126snd_rme96_interrupt(int irq,
1127 void *dev_id)
1128{
1129 struct rme96 *rme96 = (struct rme96 *)dev_id;
1130
1131 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1132 /* fastpath out, to ease interrupt sharing */
1133 if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1134 (rme96->rcreg & RME96_RCR_IRQ_2)))
1135 {
1136 return IRQ_NONE;
1137 }
1138
1139 if (rme96->rcreg & RME96_RCR_IRQ) {
1140 /* playback */
1141 snd_pcm_period_elapsed(rme96->playback_substream);
1142 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1143 }
1144 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1145 /* capture */
1146 snd_pcm_period_elapsed(rme96->capture_substream);
1147 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1148 }
1149 return IRQ_HANDLED;
1150}
1151
1152static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1153
1154static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1155 .count = ARRAY_SIZE(period_bytes),
1156 .list = period_bytes,
1157 .mask = 0
1158};
1159
1160static void
1161rme96_set_buffer_size_constraint(struct rme96 *rme96,
1162 struct snd_pcm_runtime *runtime)
1163{
1164 unsigned int size;
1165
1166 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1167 RME96_BUFFER_SIZE);
1168 if ((size = rme96->playback_periodsize) != 0 ||
1169 (size = rme96->capture_periodsize) != 0)
1170 snd_pcm_hw_constraint_single(runtime,
1171 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1172 size);
1173 else
1174 snd_pcm_hw_constraint_list(runtime, 0,
1175 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1176 &hw_constraints_period_bytes);
1177}
1178
1179static int
1180snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1181{
1182 int rate, dummy;
1183 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1184 struct snd_pcm_runtime *runtime = substream->runtime;
1185
1186 snd_pcm_set_sync(substream);
1187 spin_lock_irq(&rme96->lock);
1188 if (rme96->playback_substream) {
1189 spin_unlock_irq(&rme96->lock);
1190 return -EBUSY;
1191 }
1192 rme96->wcreg &= ~RME96_WCR_ADAT;
1193 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1194 rme96->playback_substream = substream;
1195 spin_unlock_irq(&rme96->lock);
1196
1197 runtime->hw = snd_rme96_playback_spdif_info;
1198 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1199 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1200 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1201 {
1202 /* slave clock */
1203 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1204 runtime->hw.rate_min = rate;
1205 runtime->hw.rate_max = rate;
1206 }
1207 rme96_set_buffer_size_constraint(rme96, runtime);
1208
1209 rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1210 rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1211 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1212 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1213 return 0;
1214}
1215
1216static int
1217snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1218{
1219 int isadat, rate;
1220 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1221 struct snd_pcm_runtime *runtime = substream->runtime;
1222
1223 snd_pcm_set_sync(substream);
1224 runtime->hw = snd_rme96_capture_spdif_info;
1225 if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1226 (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1227 {
1228 if (isadat) {
1229 return -EIO;
1230 }
1231 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1232 runtime->hw.rate_min = rate;
1233 runtime->hw.rate_max = rate;
1234 }
1235
1236 spin_lock_irq(&rme96->lock);
1237 if (rme96->capture_substream) {
1238 spin_unlock_irq(&rme96->lock);
1239 return -EBUSY;
1240 }
1241 rme96->capture_substream = substream;
1242 spin_unlock_irq(&rme96->lock);
1243
1244 rme96_set_buffer_size_constraint(rme96, runtime);
1245 return 0;
1246}
1247
1248static int
1249snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1250{
1251 int rate, dummy;
1252 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1253 struct snd_pcm_runtime *runtime = substream->runtime;
1254
1255 snd_pcm_set_sync(substream);
1256 spin_lock_irq(&rme96->lock);
1257 if (rme96->playback_substream) {
1258 spin_unlock_irq(&rme96->lock);
1259 return -EBUSY;
1260 }
1261 rme96->wcreg |= RME96_WCR_ADAT;
1262 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1263 rme96->playback_substream = substream;
1264 spin_unlock_irq(&rme96->lock);
1265
1266 runtime->hw = snd_rme96_playback_adat_info;
1267 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1268 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1269 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1270 {
1271 /* slave clock */
1272 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1273 runtime->hw.rate_min = rate;
1274 runtime->hw.rate_max = rate;
1275 }
1276 rme96_set_buffer_size_constraint(rme96, runtime);
1277 return 0;
1278}
1279
1280static int
1281snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1282{
1283 int isadat, rate;
1284 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1285 struct snd_pcm_runtime *runtime = substream->runtime;
1286
1287 snd_pcm_set_sync(substream);
1288 runtime->hw = snd_rme96_capture_adat_info;
1289 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1290 /* makes no sense to use analog input. Note that analog
1291 expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1292 return -EIO;
1293 }
1294 if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1295 if (!isadat) {
1296 return -EIO;
1297 }
1298 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1299 runtime->hw.rate_min = rate;
1300 runtime->hw.rate_max = rate;
1301 }
1302
1303 spin_lock_irq(&rme96->lock);
1304 if (rme96->capture_substream) {
1305 spin_unlock_irq(&rme96->lock);
1306 return -EBUSY;
1307 }
1308 rme96->capture_substream = substream;
1309 spin_unlock_irq(&rme96->lock);
1310
1311 rme96_set_buffer_size_constraint(rme96, runtime);
1312 return 0;
1313}
1314
1315static int
1316snd_rme96_playback_close(struct snd_pcm_substream *substream)
1317{
1318 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1319 int spdif = 0;
1320
1321 spin_lock_irq(&rme96->lock);
1322 if (RME96_ISPLAYING(rme96)) {
1323 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1324 }
1325 rme96->playback_substream = NULL;
1326 rme96->playback_periodsize = 0;
1327 spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1328 spin_unlock_irq(&rme96->lock);
1329 if (spdif) {
1330 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1331 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1332 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1333 }
1334 return 0;
1335}
1336
1337static int
1338snd_rme96_capture_close(struct snd_pcm_substream *substream)
1339{
1340 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1341
1342 spin_lock_irq(&rme96->lock);
1343 if (RME96_ISRECORDING(rme96)) {
1344 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1345 }
1346 rme96->capture_substream = NULL;
1347 rme96->capture_periodsize = 0;
1348 spin_unlock_irq(&rme96->lock);
1349 return 0;
1350}
1351
1352static int
1353snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1354{
1355 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1356
1357 spin_lock_irq(&rme96->lock);
1358 if (RME96_ISPLAYING(rme96)) {
1359 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1360 }
1361 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1362 spin_unlock_irq(&rme96->lock);
1363 return 0;
1364}
1365
1366static int
1367snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1368{
1369 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1370
1371 spin_lock_irq(&rme96->lock);
1372 if (RME96_ISRECORDING(rme96)) {
1373 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1374 }
1375 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1376 spin_unlock_irq(&rme96->lock);
1377 return 0;
1378}
1379
1380static int
1381snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1382 int cmd)
1383{
1384 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1385 struct snd_pcm_substream *s;
1386 bool sync;
1387
1388 snd_pcm_group_for_each_entry(s, substream) {
1389 if (snd_pcm_substream_chip(s) == rme96)
1390 snd_pcm_trigger_done(s, substream);
1391 }
1392
1393 sync = (rme96->playback_substream && rme96->capture_substream) &&
1394 (rme96->playback_substream->group ==
1395 rme96->capture_substream->group);
1396
1397 switch (cmd) {
1398 case SNDRV_PCM_TRIGGER_START:
1399 if (!RME96_ISPLAYING(rme96)) {
1400 if (substream != rme96->playback_substream)
1401 return -EBUSY;
1402 snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1403 : RME96_START_PLAYBACK);
1404 }
1405 break;
1406
1407 case SNDRV_PCM_TRIGGER_SUSPEND:
1408 case SNDRV_PCM_TRIGGER_STOP:
1409 if (RME96_ISPLAYING(rme96)) {
1410 if (substream != rme96->playback_substream)
1411 return -EBUSY;
1412 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1413 : RME96_STOP_PLAYBACK);
1414 }
1415 break;
1416
1417 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1418 if (RME96_ISPLAYING(rme96))
1419 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1420 : RME96_STOP_PLAYBACK);
1421 break;
1422
1423 case SNDRV_PCM_TRIGGER_RESUME:
1424 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1425 if (!RME96_ISPLAYING(rme96))
1426 snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1427 : RME96_RESUME_PLAYBACK);
1428 break;
1429
1430 default:
1431 return -EINVAL;
1432 }
1433
1434 return 0;
1435}
1436
1437static int
1438snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1439 int cmd)
1440{
1441 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1442 struct snd_pcm_substream *s;
1443 bool sync;
1444
1445 snd_pcm_group_for_each_entry(s, substream) {
1446 if (snd_pcm_substream_chip(s) == rme96)
1447 snd_pcm_trigger_done(s, substream);
1448 }
1449
1450 sync = (rme96->playback_substream && rme96->capture_substream) &&
1451 (rme96->playback_substream->group ==
1452 rme96->capture_substream->group);
1453
1454 switch (cmd) {
1455 case SNDRV_PCM_TRIGGER_START:
1456 if (!RME96_ISRECORDING(rme96)) {
1457 if (substream != rme96->capture_substream)
1458 return -EBUSY;
1459 snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1460 : RME96_START_CAPTURE);
1461 }
1462 break;
1463
1464 case SNDRV_PCM_TRIGGER_SUSPEND:
1465 case SNDRV_PCM_TRIGGER_STOP:
1466 if (RME96_ISRECORDING(rme96)) {
1467 if (substream != rme96->capture_substream)
1468 return -EBUSY;
1469 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1470 : RME96_STOP_CAPTURE);
1471 }
1472 break;
1473
1474 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1475 if (RME96_ISRECORDING(rme96))
1476 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1477 : RME96_STOP_CAPTURE);
1478 break;
1479
1480 case SNDRV_PCM_TRIGGER_RESUME:
1481 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1482 if (!RME96_ISRECORDING(rme96))
1483 snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1484 : RME96_RESUME_CAPTURE);
1485 break;
1486
1487 default:
1488 return -EINVAL;
1489 }
1490
1491 return 0;
1492}
1493
1494static snd_pcm_uframes_t
1495snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1496{
1497 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1498 return snd_rme96_playback_ptr(rme96);
1499}
1500
1501static snd_pcm_uframes_t
1502snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1503{
1504 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1505 return snd_rme96_capture_ptr(rme96);
1506}
1507
1508static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1509 .open = snd_rme96_playback_spdif_open,
1510 .close = snd_rme96_playback_close,
1511 .ioctl = snd_pcm_lib_ioctl,
1512 .hw_params = snd_rme96_playback_hw_params,
1513 .prepare = snd_rme96_playback_prepare,
1514 .trigger = snd_rme96_playback_trigger,
1515 .pointer = snd_rme96_playback_pointer,
1516 .copy_user = snd_rme96_playback_copy,
1517 .copy_kernel = snd_rme96_playback_copy_kernel,
1518 .fill_silence = snd_rme96_playback_silence,
1519 .mmap = snd_pcm_lib_mmap_iomem,
1520};
1521
1522static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1523 .open = snd_rme96_capture_spdif_open,
1524 .close = snd_rme96_capture_close,
1525 .ioctl = snd_pcm_lib_ioctl,
1526 .hw_params = snd_rme96_capture_hw_params,
1527 .prepare = snd_rme96_capture_prepare,
1528 .trigger = snd_rme96_capture_trigger,
1529 .pointer = snd_rme96_capture_pointer,
1530 .copy_user = snd_rme96_capture_copy,
1531 .copy_kernel = snd_rme96_capture_copy_kernel,
1532 .mmap = snd_pcm_lib_mmap_iomem,
1533};
1534
1535static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1536 .open = snd_rme96_playback_adat_open,
1537 .close = snd_rme96_playback_close,
1538 .ioctl = snd_pcm_lib_ioctl,
1539 .hw_params = snd_rme96_playback_hw_params,
1540 .prepare = snd_rme96_playback_prepare,
1541 .trigger = snd_rme96_playback_trigger,
1542 .pointer = snd_rme96_playback_pointer,
1543 .copy_user = snd_rme96_playback_copy,
1544 .copy_kernel = snd_rme96_playback_copy_kernel,
1545 .fill_silence = snd_rme96_playback_silence,
1546 .mmap = snd_pcm_lib_mmap_iomem,
1547};
1548
1549static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1550 .open = snd_rme96_capture_adat_open,
1551 .close = snd_rme96_capture_close,
1552 .ioctl = snd_pcm_lib_ioctl,
1553 .hw_params = snd_rme96_capture_hw_params,
1554 .prepare = snd_rme96_capture_prepare,
1555 .trigger = snd_rme96_capture_trigger,
1556 .pointer = snd_rme96_capture_pointer,
1557 .copy_user = snd_rme96_capture_copy,
1558 .copy_kernel = snd_rme96_capture_copy_kernel,
1559 .mmap = snd_pcm_lib_mmap_iomem,
1560};
1561
1562static void
1563snd_rme96_free(void *private_data)
1564{
1565 struct rme96 *rme96 = (struct rme96 *)private_data;
1566
1567 if (!rme96)
1568 return;
1569
1570 if (rme96->irq >= 0) {
1571 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1572 rme96->areg &= ~RME96_AR_DAC_EN;
1573 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1574 free_irq(rme96->irq, (void *)rme96);
1575 rme96->irq = -1;
1576 }
1577 if (rme96->iobase) {
1578 iounmap(rme96->iobase);
1579 rme96->iobase = NULL;
1580 }
1581 if (rme96->port) {
1582 pci_release_regions(rme96->pci);
1583 rme96->port = 0;
1584 }
1585#ifdef CONFIG_PM_SLEEP
1586 vfree(rme96->playback_suspend_buffer);
1587 vfree(rme96->capture_suspend_buffer);
1588#endif
1589 pci_disable_device(rme96->pci);
1590}
1591
1592static void
1593snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1594{
1595 struct rme96 *rme96 = pcm->private_data;
1596 rme96->spdif_pcm = NULL;
1597}
1598
1599static void
1600snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1601{
1602 struct rme96 *rme96 = pcm->private_data;
1603 rme96->adat_pcm = NULL;
1604}
1605
1606static int
1607snd_rme96_create(struct rme96 *rme96)
1608{
1609 struct pci_dev *pci = rme96->pci;
1610 int err;
1611
1612 rme96->irq = -1;
1613 spin_lock_init(&rme96->lock);
1614
1615 if ((err = pci_enable_device(pci)) < 0)
1616 return err;
1617
1618 if ((err = pci_request_regions(pci, "RME96")) < 0)
1619 return err;
1620 rme96->port = pci_resource_start(rme96->pci, 0);
1621
1622 rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1623 if (!rme96->iobase) {
1624 dev_err(rme96->card->dev,
1625 "unable to remap memory region 0x%lx-0x%lx\n",
1626 rme96->port, rme96->port + RME96_IO_SIZE - 1);
1627 return -ENOMEM;
1628 }
1629
1630 if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1631 KBUILD_MODNAME, rme96)) {
1632 dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1633 return -EBUSY;
1634 }
1635 rme96->irq = pci->irq;
1636
1637 /* read the card's revision number */
1638 pci_read_config_byte(pci, 8, &rme96->rev);
1639
1640 /* set up ALSA pcm device for S/PDIF */
1641 if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1642 1, 1, &rme96->spdif_pcm)) < 0)
1643 {
1644 return err;
1645 }
1646 rme96->spdif_pcm->private_data = rme96;
1647 rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1648 strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1649 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1650 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1651
1652 rme96->spdif_pcm->info_flags = 0;
1653
1654 /* set up ALSA pcm device for ADAT */
1655 if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1656 /* ADAT is not available on the base model */
1657 rme96->adat_pcm = NULL;
1658 } else {
1659 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1660 1, 1, &rme96->adat_pcm)) < 0)
1661 {
1662 return err;
1663 }
1664 rme96->adat_pcm->private_data = rme96;
1665 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1666 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1667 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1668 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1669
1670 rme96->adat_pcm->info_flags = 0;
1671 }
1672
1673 rme96->playback_periodsize = 0;
1674 rme96->capture_periodsize = 0;
1675
1676 /* make sure playback/capture is stopped, if by some reason active */
1677 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1678
1679 /* set default values in registers */
1680 rme96->wcreg =
1681 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1682 RME96_WCR_SEL | /* normal playback */
1683 RME96_WCR_MASTER | /* set to master clock mode */
1684 RME96_WCR_INP_0; /* set coaxial input */
1685
1686 rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1687
1688 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1689 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1690
1691 /* reset the ADC */
1692 writel(rme96->areg | RME96_AR_PD2,
1693 rme96->iobase + RME96_IO_ADDITIONAL_REG);
1694 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1695
1696 /* reset and enable the DAC (order is important). */
1697 snd_rme96_reset_dac(rme96);
1698 rme96->areg |= RME96_AR_DAC_EN;
1699 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1700
1701 /* reset playback and record buffer pointers */
1702 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1703 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1704
1705 /* reset volume */
1706 rme96->vol[0] = rme96->vol[1] = 0;
1707 if (RME96_HAS_ANALOG_OUT(rme96)) {
1708 snd_rme96_apply_dac_volume(rme96);
1709 }
1710
1711 /* init switch interface */
1712 if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1713 return err;
1714 }
1715
1716 /* init proc interface */
1717 snd_rme96_proc_init(rme96);
1718
1719 return 0;
1720}
1721
1722/*
1723 * proc interface
1724 */
1725
1726static void
1727snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1728{
1729 int n;
1730 struct rme96 *rme96 = entry->private_data;
1731
1732 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1733
1734 snd_iprintf(buffer, rme96->card->longname);
1735 snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1736
1737 snd_iprintf(buffer, "\nGeneral settings\n");
1738 if (rme96->wcreg & RME96_WCR_IDIS) {
1739 snd_iprintf(buffer, " period size: N/A (interrupts "
1740 "disabled)\n");
1741 } else if (rme96->wcreg & RME96_WCR_ISEL) {
1742 snd_iprintf(buffer, " period size: 2048 bytes\n");
1743 } else {
1744 snd_iprintf(buffer, " period size: 8192 bytes\n");
1745 }
1746 snd_iprintf(buffer, "\nInput settings\n");
1747 switch (snd_rme96_getinputtype(rme96)) {
1748 case RME96_INPUT_OPTICAL:
1749 snd_iprintf(buffer, " input: optical");
1750 break;
1751 case RME96_INPUT_COAXIAL:
1752 snd_iprintf(buffer, " input: coaxial");
1753 break;
1754 case RME96_INPUT_INTERNAL:
1755 snd_iprintf(buffer, " input: internal");
1756 break;
1757 case RME96_INPUT_XLR:
1758 snd_iprintf(buffer, " input: XLR");
1759 break;
1760 case RME96_INPUT_ANALOG:
1761 snd_iprintf(buffer, " input: analog");
1762 break;
1763 }
1764 if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1765 snd_iprintf(buffer, "\n sample rate: no valid signal\n");
1766 } else {
1767 if (n) {
1768 snd_iprintf(buffer, " (8 channels)\n");
1769 } else {
1770 snd_iprintf(buffer, " (2 channels)\n");
1771 }
1772 snd_iprintf(buffer, " sample rate: %d Hz\n",
1773 snd_rme96_capture_getrate(rme96, &n));
1774 }
1775 if (rme96->wcreg & RME96_WCR_MODE24_2) {
1776 snd_iprintf(buffer, " sample format: 24 bit\n");
1777 } else {
1778 snd_iprintf(buffer, " sample format: 16 bit\n");
1779 }
1780
1781 snd_iprintf(buffer, "\nOutput settings\n");
1782 if (rme96->wcreg & RME96_WCR_SEL) {
1783 snd_iprintf(buffer, " output signal: normal playback\n");
1784 } else {
1785 snd_iprintf(buffer, " output signal: same as input\n");
1786 }
1787 snd_iprintf(buffer, " sample rate: %d Hz\n",
1788 snd_rme96_playback_getrate(rme96));
1789 if (rme96->wcreg & RME96_WCR_MODE24) {
1790 snd_iprintf(buffer, " sample format: 24 bit\n");
1791 } else {
1792 snd_iprintf(buffer, " sample format: 16 bit\n");
1793 }
1794 if (rme96->areg & RME96_AR_WSEL) {
1795 snd_iprintf(buffer, " sample clock source: word clock\n");
1796 } else if (rme96->wcreg & RME96_WCR_MASTER) {
1797 snd_iprintf(buffer, " sample clock source: internal\n");
1798 } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1799 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
1800 } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1801 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
1802 } else {
1803 snd_iprintf(buffer, " sample clock source: autosync\n");
1804 }
1805 if (rme96->wcreg & RME96_WCR_PRO) {
1806 snd_iprintf(buffer, " format: AES/EBU (professional)\n");
1807 } else {
1808 snd_iprintf(buffer, " format: IEC958 (consumer)\n");
1809 }
1810 if (rme96->wcreg & RME96_WCR_EMP) {
1811 snd_iprintf(buffer, " emphasis: on\n");
1812 } else {
1813 snd_iprintf(buffer, " emphasis: off\n");
1814 }
1815 if (rme96->wcreg & RME96_WCR_DOLBY) {
1816 snd_iprintf(buffer, " non-audio (dolby): on\n");
1817 } else {
1818 snd_iprintf(buffer, " non-audio (dolby): off\n");
1819 }
1820 if (RME96_HAS_ANALOG_IN(rme96)) {
1821 snd_iprintf(buffer, "\nAnalog output settings\n");
1822 switch (snd_rme96_getmontracks(rme96)) {
1823 case RME96_MONITOR_TRACKS_1_2:
1824 snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
1825 break;
1826 case RME96_MONITOR_TRACKS_3_4:
1827 snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
1828 break;
1829 case RME96_MONITOR_TRACKS_5_6:
1830 snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
1831 break;
1832 case RME96_MONITOR_TRACKS_7_8:
1833 snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
1834 break;
1835 }
1836 switch (snd_rme96_getattenuation(rme96)) {
1837 case RME96_ATTENUATION_0:
1838 snd_iprintf(buffer, " attenuation: 0 dB\n");
1839 break;
1840 case RME96_ATTENUATION_6:
1841 snd_iprintf(buffer, " attenuation: -6 dB\n");
1842 break;
1843 case RME96_ATTENUATION_12:
1844 snd_iprintf(buffer, " attenuation: -12 dB\n");
1845 break;
1846 case RME96_ATTENUATION_18:
1847 snd_iprintf(buffer, " attenuation: -18 dB\n");
1848 break;
1849 }
1850 snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
1851 snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
1852 }
1853}
1854
1855static void snd_rme96_proc_init(struct rme96 *rme96)
1856{
1857 snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1858}
1859
1860/*
1861 * control interface
1862 */
1863
1864#define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
1865
1866static int
1867snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1868{
1869 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1870
1871 spin_lock_irq(&rme96->lock);
1872 ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1873 spin_unlock_irq(&rme96->lock);
1874 return 0;
1875}
1876static int
1877snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1878{
1879 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1880 unsigned int val;
1881 int change;
1882
1883 val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1884 spin_lock_irq(&rme96->lock);
1885 val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1886 change = val != rme96->wcreg;
1887 rme96->wcreg = val;
1888 writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1889 spin_unlock_irq(&rme96->lock);
1890 return change;
1891}
1892
1893static int
1894snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1895{
1896 static const char * const _texts[5] = {
1897 "Optical", "Coaxial", "Internal", "XLR", "Analog"
1898 };
1899 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1900 const char *texts[5] = {
1901 _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1902 };
1903 int num_items;
1904
1905 switch (rme96->pci->device) {
1906 case PCI_DEVICE_ID_RME_DIGI96:
1907 case PCI_DEVICE_ID_RME_DIGI96_8:
1908 num_items = 3;
1909 break;
1910 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1911 num_items = 4;
1912 break;
1913 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1914 if (rme96->rev > 4) {
1915 /* PST */
1916 num_items = 4;
1917 texts[3] = _texts[4]; /* Analog instead of XLR */
1918 } else {
1919 /* PAD */
1920 num_items = 5;
1921 }
1922 break;
1923 default:
1924 snd_BUG();
1925 return -EINVAL;
1926 }
1927 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1928}
1929static int
1930snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1931{
1932 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1933 unsigned int items = 3;
1934
1935 spin_lock_irq(&rme96->lock);
1936 ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1937
1938 switch (rme96->pci->device) {
1939 case PCI_DEVICE_ID_RME_DIGI96:
1940 case PCI_DEVICE_ID_RME_DIGI96_8:
1941 items = 3;
1942 break;
1943 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1944 items = 4;
1945 break;
1946 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1947 if (rme96->rev > 4) {
1948 /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1949 if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1950 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1951 }
1952 items = 4;
1953 } else {
1954 items = 5;
1955 }
1956 break;
1957 default:
1958 snd_BUG();
1959 break;
1960 }
1961 if (ucontrol->value.enumerated.item[0] >= items) {
1962 ucontrol->value.enumerated.item[0] = items - 1;
1963 }
1964
1965 spin_unlock_irq(&rme96->lock);
1966 return 0;
1967}
1968static int
1969snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1970{
1971 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1972 unsigned int val;
1973 int change, items = 3;
1974
1975 switch (rme96->pci->device) {
1976 case PCI_DEVICE_ID_RME_DIGI96:
1977 case PCI_DEVICE_ID_RME_DIGI96_8:
1978 items = 3;
1979 break;
1980 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1981 items = 4;
1982 break;
1983 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1984 if (rme96->rev > 4) {
1985 items = 4;
1986 } else {
1987 items = 5;
1988 }
1989 break;
1990 default:
1991 snd_BUG();
1992 break;
1993 }
1994 val = ucontrol->value.enumerated.item[0] % items;
1995
1996 /* special case for PST */
1997 if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1998 if (val == RME96_INPUT_XLR) {
1999 val = RME96_INPUT_ANALOG;
2000 }
2001 }
2002
2003 spin_lock_irq(&rme96->lock);
2004 change = (int)val != snd_rme96_getinputtype(rme96);
2005 snd_rme96_setinputtype(rme96, val);
2006 spin_unlock_irq(&rme96->lock);
2007 return change;
2008}
2009
2010static int
2011snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2012{
2013 static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
2014
2015 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2016}
2017static int
2018snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2019{
2020 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2021
2022 spin_lock_irq(&rme96->lock);
2023 ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
2024 spin_unlock_irq(&rme96->lock);
2025 return 0;
2026}
2027static int
2028snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2029{
2030 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2031 unsigned int val;
2032 int change;
2033
2034 val = ucontrol->value.enumerated.item[0] % 3;
2035 spin_lock_irq(&rme96->lock);
2036 change = (int)val != snd_rme96_getclockmode(rme96);
2037 snd_rme96_setclockmode(rme96, val);
2038 spin_unlock_irq(&rme96->lock);
2039 return change;
2040}
2041
2042static int
2043snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2044{
2045 static const char * const texts[4] = {
2046 "0 dB", "-6 dB", "-12 dB", "-18 dB"
2047 };
2048
2049 return snd_ctl_enum_info(uinfo, 1, 4, texts);
2050}
2051static int
2052snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2053{
2054 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2055
2056 spin_lock_irq(&rme96->lock);
2057 ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2058 spin_unlock_irq(&rme96->lock);
2059 return 0;
2060}
2061static int
2062snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2063{
2064 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2065 unsigned int val;
2066 int change;
2067
2068 val = ucontrol->value.enumerated.item[0] % 4;
2069 spin_lock_irq(&rme96->lock);
2070
2071 change = (int)val != snd_rme96_getattenuation(rme96);
2072 snd_rme96_setattenuation(rme96, val);
2073 spin_unlock_irq(&rme96->lock);
2074 return change;
2075}
2076
2077static int
2078snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2079{
2080 static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2081
2082 return snd_ctl_enum_info(uinfo, 1, 4, texts);
2083}
2084static int
2085snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2086{
2087 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2088
2089 spin_lock_irq(&rme96->lock);
2090 ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2091 spin_unlock_irq(&rme96->lock);
2092 return 0;
2093}
2094static int
2095snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2096{
2097 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2098 unsigned int val;
2099 int change;
2100
2101 val = ucontrol->value.enumerated.item[0] % 4;
2102 spin_lock_irq(&rme96->lock);
2103 change = (int)val != snd_rme96_getmontracks(rme96);
2104 snd_rme96_setmontracks(rme96, val);
2105 spin_unlock_irq(&rme96->lock);
2106 return change;
2107}
2108
2109static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2110{
2111 u32 val = 0;
2112 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2113 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2114 if (val & RME96_WCR_PRO)
2115 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2116 else
2117 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2118 return val;
2119}
2120
2121static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2122{
2123 aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2124 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2125 if (val & RME96_WCR_PRO)
2126 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2127 else
2128 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2129}
2130
2131static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2132{
2133 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2134 uinfo->count = 1;
2135 return 0;
2136}
2137
2138static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139{
2140 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2141
2142 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2143 return 0;
2144}
2145
2146static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2147{
2148 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2149 int change;
2150 u32 val;
2151
2152 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2153 spin_lock_irq(&rme96->lock);
2154 change = val != rme96->wcreg_spdif;
2155 rme96->wcreg_spdif = val;
2156 spin_unlock_irq(&rme96->lock);
2157 return change;
2158}
2159
2160static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2161{
2162 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2163 uinfo->count = 1;
2164 return 0;
2165}
2166
2167static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2168{
2169 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2170
2171 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2172 return 0;
2173}
2174
2175static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2176{
2177 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2178 int change;
2179 u32 val;
2180
2181 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2182 spin_lock_irq(&rme96->lock);
2183 change = val != rme96->wcreg_spdif_stream;
2184 rme96->wcreg_spdif_stream = val;
2185 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2186 rme96->wcreg |= val;
2187 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2188 spin_unlock_irq(&rme96->lock);
2189 return change;
2190}
2191
2192static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2193{
2194 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2195 uinfo->count = 1;
2196 return 0;
2197}
2198
2199static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2200{
2201 ucontrol->value.iec958.status[0] = kcontrol->private_value;
2202 return 0;
2203}
2204
2205static int
2206snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2207{
2208 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2209
2210 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2211 uinfo->count = 2;
2212 uinfo->value.integer.min = 0;
2213 uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2214 return 0;
2215}
2216
2217static int
2218snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2219{
2220 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2221
2222 spin_lock_irq(&rme96->lock);
2223 u->value.integer.value[0] = rme96->vol[0];
2224 u->value.integer.value[1] = rme96->vol[1];
2225 spin_unlock_irq(&rme96->lock);
2226
2227 return 0;
2228}
2229
2230static int
2231snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2232{
2233 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2234 int change = 0;
2235 unsigned int vol, maxvol;
2236
2237
2238 if (!RME96_HAS_ANALOG_OUT(rme96))
2239 return -EINVAL;
2240 maxvol = RME96_185X_MAX_OUT(rme96);
2241 spin_lock_irq(&rme96->lock);
2242 vol = u->value.integer.value[0];
2243 if (vol != rme96->vol[0] && vol <= maxvol) {
2244 rme96->vol[0] = vol;
2245 change = 1;
2246 }
2247 vol = u->value.integer.value[1];
2248 if (vol != rme96->vol[1] && vol <= maxvol) {
2249 rme96->vol[1] = vol;
2250 change = 1;
2251 }
2252 if (change)
2253 snd_rme96_apply_dac_volume(rme96);
2254 spin_unlock_irq(&rme96->lock);
2255
2256 return change;
2257}
2258
2259static struct snd_kcontrol_new snd_rme96_controls[] = {
2260{
2261 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2262 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2263 .info = snd_rme96_control_spdif_info,
2264 .get = snd_rme96_control_spdif_get,
2265 .put = snd_rme96_control_spdif_put
2266},
2267{
2268 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2269 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2270 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2271 .info = snd_rme96_control_spdif_stream_info,
2272 .get = snd_rme96_control_spdif_stream_get,
2273 .put = snd_rme96_control_spdif_stream_put
2274},
2275{
2276 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2277 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2278 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2279 .info = snd_rme96_control_spdif_mask_info,
2280 .get = snd_rme96_control_spdif_mask_get,
2281 .private_value = IEC958_AES0_NONAUDIO |
2282 IEC958_AES0_PROFESSIONAL |
2283 IEC958_AES0_CON_EMPHASIS
2284},
2285{
2286 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2287 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2288 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2289 .info = snd_rme96_control_spdif_mask_info,
2290 .get = snd_rme96_control_spdif_mask_get,
2291 .private_value = IEC958_AES0_NONAUDIO |
2292 IEC958_AES0_PROFESSIONAL |
2293 IEC958_AES0_PRO_EMPHASIS
2294},
2295{
2296 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2297 .name = "Input Connector",
2298 .info = snd_rme96_info_inputtype_control,
2299 .get = snd_rme96_get_inputtype_control,
2300 .put = snd_rme96_put_inputtype_control
2301},
2302{
2303 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2304 .name = "Loopback Input",
2305 .info = snd_rme96_info_loopback_control,
2306 .get = snd_rme96_get_loopback_control,
2307 .put = snd_rme96_put_loopback_control
2308},
2309{
2310 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2311 .name = "Sample Clock Source",
2312 .info = snd_rme96_info_clockmode_control,
2313 .get = snd_rme96_get_clockmode_control,
2314 .put = snd_rme96_put_clockmode_control
2315},
2316{
2317 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2318 .name = "Monitor Tracks",
2319 .info = snd_rme96_info_montracks_control,
2320 .get = snd_rme96_get_montracks_control,
2321 .put = snd_rme96_put_montracks_control
2322},
2323{
2324 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2325 .name = "Attenuation",
2326 .info = snd_rme96_info_attenuation_control,
2327 .get = snd_rme96_get_attenuation_control,
2328 .put = snd_rme96_put_attenuation_control
2329},
2330{
2331 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2332 .name = "DAC Playback Volume",
2333 .info = snd_rme96_dac_volume_info,
2334 .get = snd_rme96_dac_volume_get,
2335 .put = snd_rme96_dac_volume_put
2336}
2337};
2338
2339static int
2340snd_rme96_create_switches(struct snd_card *card,
2341 struct rme96 *rme96)
2342{
2343 int idx, err;
2344 struct snd_kcontrol *kctl;
2345
2346 for (idx = 0; idx < 7; idx++) {
2347 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2348 return err;
2349 if (idx == 1) /* IEC958 (S/PDIF) Stream */
2350 rme96->spdif_ctl = kctl;
2351 }
2352
2353 if (RME96_HAS_ANALOG_OUT(rme96)) {
2354 for (idx = 7; idx < 10; idx++)
2355 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2356 return err;
2357 }
2358
2359 return 0;
2360}
2361
2362/*
2363 * Card initialisation
2364 */
2365
2366#ifdef CONFIG_PM_SLEEP
2367
2368static int rme96_suspend(struct device *dev)
2369{
2370 struct snd_card *card = dev_get_drvdata(dev);
2371 struct rme96 *rme96 = card->private_data;
2372
2373 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2374
2375 /* save capture & playback pointers */
2376 rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2377 & RME96_RCR_AUDIO_ADDR_MASK;
2378 rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2379 & RME96_RCR_AUDIO_ADDR_MASK;
2380
2381 /* save playback and capture buffers */
2382 memcpy_fromio(rme96->playback_suspend_buffer,
2383 rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2384 memcpy_fromio(rme96->capture_suspend_buffer,
2385 rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2386
2387 /* disable the DAC */
2388 rme96->areg &= ~RME96_AR_DAC_EN;
2389 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2390 return 0;
2391}
2392
2393static int rme96_resume(struct device *dev)
2394{
2395 struct snd_card *card = dev_get_drvdata(dev);
2396 struct rme96 *rme96 = card->private_data;
2397
2398 /* reset playback and record buffer pointers */
2399 writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2400 + rme96->playback_pointer);
2401 writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2402 + rme96->capture_pointer);
2403
2404 /* restore playback and capture buffers */
2405 memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2406 rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2407 memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2408 rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2409
2410 /* reset the ADC */
2411 writel(rme96->areg | RME96_AR_PD2,
2412 rme96->iobase + RME96_IO_ADDITIONAL_REG);
2413 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2414
2415 /* reset and enable DAC, restore analog volume */
2416 snd_rme96_reset_dac(rme96);
2417 rme96->areg |= RME96_AR_DAC_EN;
2418 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2419 if (RME96_HAS_ANALOG_OUT(rme96)) {
2420 usleep_range(3000, 10000);
2421 snd_rme96_apply_dac_volume(rme96);
2422 }
2423
2424 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2425
2426 return 0;
2427}
2428
2429static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2430#define RME96_PM_OPS &rme96_pm
2431#else
2432#define RME96_PM_OPS NULL
2433#endif /* CONFIG_PM_SLEEP */
2434
2435static void snd_rme96_card_free(struct snd_card *card)
2436{
2437 snd_rme96_free(card->private_data);
2438}
2439
2440static int
2441snd_rme96_probe(struct pci_dev *pci,
2442 const struct pci_device_id *pci_id)
2443{
2444 static int dev;
2445 struct rme96 *rme96;
2446 struct snd_card *card;
2447 int err;
2448 u8 val;
2449
2450 if (dev >= SNDRV_CARDS) {
2451 return -ENODEV;
2452 }
2453 if (!enable[dev]) {
2454 dev++;
2455 return -ENOENT;
2456 }
2457 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2458 sizeof(struct rme96), &card);
2459 if (err < 0)
2460 return err;
2461 card->private_free = snd_rme96_card_free;
2462 rme96 = card->private_data;
2463 rme96->card = card;
2464 rme96->pci = pci;
2465 err = snd_rme96_create(rme96);
2466 if (err)
2467 goto free_card;
2468
2469#ifdef CONFIG_PM_SLEEP
2470 rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2471 if (!rme96->playback_suspend_buffer) {
2472 err = -ENOMEM;
2473 goto free_card;
2474 }
2475 rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2476 if (!rme96->capture_suspend_buffer) {
2477 err = -ENOMEM;
2478 goto free_card;
2479 }
2480#endif
2481
2482 strcpy(card->driver, "Digi96");
2483 switch (rme96->pci->device) {
2484 case PCI_DEVICE_ID_RME_DIGI96:
2485 strcpy(card->shortname, "RME Digi96");
2486 break;
2487 case PCI_DEVICE_ID_RME_DIGI96_8:
2488 strcpy(card->shortname, "RME Digi96/8");
2489 break;
2490 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2491 strcpy(card->shortname, "RME Digi96/8 PRO");
2492 break;
2493 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2494 pci_read_config_byte(rme96->pci, 8, &val);
2495 if (val < 5) {
2496 strcpy(card->shortname, "RME Digi96/8 PAD");
2497 } else {
2498 strcpy(card->shortname, "RME Digi96/8 PST");
2499 }
2500 break;
2501 }
2502 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2503 rme96->port, rme96->irq);
2504 err = snd_card_register(card);
2505 if (err)
2506 goto free_card;
2507
2508 pci_set_drvdata(pci, card);
2509 dev++;
2510 return 0;
2511free_card:
2512 snd_card_free(card);
2513 return err;
2514}
2515
2516static void snd_rme96_remove(struct pci_dev *pci)
2517{
2518 snd_card_free(pci_get_drvdata(pci));
2519}
2520
2521static struct pci_driver rme96_driver = {
2522 .name = KBUILD_MODNAME,
2523 .id_table = snd_rme96_ids,
2524 .probe = snd_rme96_probe,
2525 .remove = snd_rme96_remove,
2526 .driver = {
2527 .pm = RME96_PM_OPS,
2528 },
2529};
2530
2531module_pci_driver(rme96_driver);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
4 * interfaces
5 *
6 * Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
7 *
8 * Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
9 * code.
10 */
11
12#include <linux/delay.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/pci.h>
16#include <linux/module.h>
17#include <linux/vmalloc.h>
18#include <linux/io.h>
19
20#include <sound/core.h>
21#include <sound/info.h>
22#include <sound/control.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/asoundef.h>
26#include <sound/initval.h>
27
28/* note, two last pcis should be equal, it is not a bug */
29
30MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
31MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
32 "Digi96/8 PAD");
33MODULE_LICENSE("GPL");
34
35static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
36static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
37static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
38
39module_param_array(index, int, NULL, 0444);
40MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
41module_param_array(id, charp, NULL, 0444);
42MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
43module_param_array(enable, bool, NULL, 0444);
44MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
45
46/*
47 * Defines for RME Digi96 series, from internal RME reference documents
48 * dated 12.01.00
49 */
50
51#define RME96_SPDIF_NCHANNELS 2
52
53/* Playback and capture buffer size */
54#define RME96_BUFFER_SIZE 0x10000
55
56/* IO area size */
57#define RME96_IO_SIZE 0x60000
58
59/* IO area offsets */
60#define RME96_IO_PLAY_BUFFER 0x0
61#define RME96_IO_REC_BUFFER 0x10000
62#define RME96_IO_CONTROL_REGISTER 0x20000
63#define RME96_IO_ADDITIONAL_REG 0x20004
64#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
65#define RME96_IO_CONFIRM_REC_IRQ 0x2000C
66#define RME96_IO_SET_PLAY_POS 0x40000
67#define RME96_IO_RESET_PLAY_POS 0x4FFFC
68#define RME96_IO_SET_REC_POS 0x50000
69#define RME96_IO_RESET_REC_POS 0x5FFFC
70#define RME96_IO_GET_PLAY_POS 0x20000
71#define RME96_IO_GET_REC_POS 0x30000
72
73/* Write control register bits */
74#define RME96_WCR_START (1 << 0)
75#define RME96_WCR_START_2 (1 << 1)
76#define RME96_WCR_GAIN_0 (1 << 2)
77#define RME96_WCR_GAIN_1 (1 << 3)
78#define RME96_WCR_MODE24 (1 << 4)
79#define RME96_WCR_MODE24_2 (1 << 5)
80#define RME96_WCR_BM (1 << 6)
81#define RME96_WCR_BM_2 (1 << 7)
82#define RME96_WCR_ADAT (1 << 8)
83#define RME96_WCR_FREQ_0 (1 << 9)
84#define RME96_WCR_FREQ_1 (1 << 10)
85#define RME96_WCR_DS (1 << 11)
86#define RME96_WCR_PRO (1 << 12)
87#define RME96_WCR_EMP (1 << 13)
88#define RME96_WCR_SEL (1 << 14)
89#define RME96_WCR_MASTER (1 << 15)
90#define RME96_WCR_PD (1 << 16)
91#define RME96_WCR_INP_0 (1 << 17)
92#define RME96_WCR_INP_1 (1 << 18)
93#define RME96_WCR_THRU_0 (1 << 19)
94#define RME96_WCR_THRU_1 (1 << 20)
95#define RME96_WCR_THRU_2 (1 << 21)
96#define RME96_WCR_THRU_3 (1 << 22)
97#define RME96_WCR_THRU_4 (1 << 23)
98#define RME96_WCR_THRU_5 (1 << 24)
99#define RME96_WCR_THRU_6 (1 << 25)
100#define RME96_WCR_THRU_7 (1 << 26)
101#define RME96_WCR_DOLBY (1 << 27)
102#define RME96_WCR_MONITOR_0 (1 << 28)
103#define RME96_WCR_MONITOR_1 (1 << 29)
104#define RME96_WCR_ISEL (1 << 30)
105#define RME96_WCR_IDIS (1 << 31)
106
107#define RME96_WCR_BITPOS_GAIN_0 2
108#define RME96_WCR_BITPOS_GAIN_1 3
109#define RME96_WCR_BITPOS_FREQ_0 9
110#define RME96_WCR_BITPOS_FREQ_1 10
111#define RME96_WCR_BITPOS_INP_0 17
112#define RME96_WCR_BITPOS_INP_1 18
113#define RME96_WCR_BITPOS_MONITOR_0 28
114#define RME96_WCR_BITPOS_MONITOR_1 29
115
116/* Read control register bits */
117#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
118#define RME96_RCR_IRQ_2 (1 << 16)
119#define RME96_RCR_T_OUT (1 << 17)
120#define RME96_RCR_DEV_ID_0 (1 << 21)
121#define RME96_RCR_DEV_ID_1 (1 << 22)
122#define RME96_RCR_LOCK (1 << 23)
123#define RME96_RCR_VERF (1 << 26)
124#define RME96_RCR_F0 (1 << 27)
125#define RME96_RCR_F1 (1 << 28)
126#define RME96_RCR_F2 (1 << 29)
127#define RME96_RCR_AUTOSYNC (1 << 30)
128#define RME96_RCR_IRQ (1 << 31)
129
130#define RME96_RCR_BITPOS_F0 27
131#define RME96_RCR_BITPOS_F1 28
132#define RME96_RCR_BITPOS_F2 29
133
134/* Additional register bits */
135#define RME96_AR_WSEL (1 << 0)
136#define RME96_AR_ANALOG (1 << 1)
137#define RME96_AR_FREQPAD_0 (1 << 2)
138#define RME96_AR_FREQPAD_1 (1 << 3)
139#define RME96_AR_FREQPAD_2 (1 << 4)
140#define RME96_AR_PD2 (1 << 5)
141#define RME96_AR_DAC_EN (1 << 6)
142#define RME96_AR_CLATCH (1 << 7)
143#define RME96_AR_CCLK (1 << 8)
144#define RME96_AR_CDATA (1 << 9)
145
146#define RME96_AR_BITPOS_F0 2
147#define RME96_AR_BITPOS_F1 3
148#define RME96_AR_BITPOS_F2 4
149
150/* Monitor tracks */
151#define RME96_MONITOR_TRACKS_1_2 0
152#define RME96_MONITOR_TRACKS_3_4 1
153#define RME96_MONITOR_TRACKS_5_6 2
154#define RME96_MONITOR_TRACKS_7_8 3
155
156/* Attenuation */
157#define RME96_ATTENUATION_0 0
158#define RME96_ATTENUATION_6 1
159#define RME96_ATTENUATION_12 2
160#define RME96_ATTENUATION_18 3
161
162/* Input types */
163#define RME96_INPUT_OPTICAL 0
164#define RME96_INPUT_COAXIAL 1
165#define RME96_INPUT_INTERNAL 2
166#define RME96_INPUT_XLR 3
167#define RME96_INPUT_ANALOG 4
168
169/* Clock modes */
170#define RME96_CLOCKMODE_SLAVE 0
171#define RME96_CLOCKMODE_MASTER 1
172#define RME96_CLOCKMODE_WORDCLOCK 2
173
174/* Block sizes in bytes */
175#define RME96_SMALL_BLOCK_SIZE 2048
176#define RME96_LARGE_BLOCK_SIZE 8192
177
178/* Volume control */
179#define RME96_AD1852_VOL_BITS 14
180#define RME96_AD1855_VOL_BITS 10
181
182/* Defines for snd_rme96_trigger */
183#define RME96_TB_START_PLAYBACK 1
184#define RME96_TB_START_CAPTURE 2
185#define RME96_TB_STOP_PLAYBACK 4
186#define RME96_TB_STOP_CAPTURE 8
187#define RME96_TB_RESET_PLAYPOS 16
188#define RME96_TB_RESET_CAPTUREPOS 32
189#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
190#define RME96_TB_CLEAR_CAPTURE_IRQ 128
191#define RME96_RESUME_PLAYBACK (RME96_TB_START_PLAYBACK)
192#define RME96_RESUME_CAPTURE (RME96_TB_START_CAPTURE)
193#define RME96_RESUME_BOTH (RME96_RESUME_PLAYBACK \
194 | RME96_RESUME_CAPTURE)
195#define RME96_START_PLAYBACK (RME96_TB_START_PLAYBACK \
196 | RME96_TB_RESET_PLAYPOS)
197#define RME96_START_CAPTURE (RME96_TB_START_CAPTURE \
198 | RME96_TB_RESET_CAPTUREPOS)
199#define RME96_START_BOTH (RME96_START_PLAYBACK \
200 | RME96_START_CAPTURE)
201#define RME96_STOP_PLAYBACK (RME96_TB_STOP_PLAYBACK \
202 | RME96_TB_CLEAR_PLAYBACK_IRQ)
203#define RME96_STOP_CAPTURE (RME96_TB_STOP_CAPTURE \
204 | RME96_TB_CLEAR_CAPTURE_IRQ)
205#define RME96_STOP_BOTH (RME96_STOP_PLAYBACK \
206 | RME96_STOP_CAPTURE)
207
208struct rme96 {
209 spinlock_t lock;
210 int irq;
211 unsigned long port;
212 void __iomem *iobase;
213
214 u32 wcreg; /* cached write control register value */
215 u32 wcreg_spdif; /* S/PDIF setup */
216 u32 wcreg_spdif_stream; /* S/PDIF setup (temporary) */
217 u32 rcreg; /* cached read control register value */
218 u32 areg; /* cached additional register value */
219 u16 vol[2]; /* cached volume of analog output */
220
221 u8 rev; /* card revision number */
222
223 u32 playback_pointer;
224 u32 capture_pointer;
225 void *playback_suspend_buffer;
226 void *capture_suspend_buffer;
227
228 struct snd_pcm_substream *playback_substream;
229 struct snd_pcm_substream *capture_substream;
230
231 int playback_frlog; /* log2 of framesize */
232 int capture_frlog;
233
234 size_t playback_periodsize; /* in bytes, zero if not used */
235 size_t capture_periodsize; /* in bytes, zero if not used */
236
237 struct snd_card *card;
238 struct snd_pcm *spdif_pcm;
239 struct snd_pcm *adat_pcm;
240 struct pci_dev *pci;
241 struct snd_kcontrol *spdif_ctl;
242};
243
244static const struct pci_device_id snd_rme96_ids[] = {
245 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
246 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
247 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
248 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
249 { 0, }
250};
251
252MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
253
254#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
255#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
256#define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
257#define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
258 (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
259#define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
260#define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
261 ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
262#define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
263
264static int
265snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
266
267static int
268snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
269
270static int
271snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
272 int cmd);
273
274static int
275snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
276 int cmd);
277
278static snd_pcm_uframes_t
279snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
280
281static snd_pcm_uframes_t
282snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
283
284static void snd_rme96_proc_init(struct rme96 *rme96);
285
286static int
287snd_rme96_create_switches(struct snd_card *card,
288 struct rme96 *rme96);
289
290static int
291snd_rme96_getinputtype(struct rme96 *rme96);
292
293static inline unsigned int
294snd_rme96_playback_ptr(struct rme96 *rme96)
295{
296 return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
297 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
298}
299
300static inline unsigned int
301snd_rme96_capture_ptr(struct rme96 *rme96)
302{
303 return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
304 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
305}
306
307static int
308snd_rme96_playback_silence(struct snd_pcm_substream *substream,
309 int channel, unsigned long pos, unsigned long count)
310{
311 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
312
313 memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
314 0, count);
315 return 0;
316}
317
318static int
319snd_rme96_playback_copy(struct snd_pcm_substream *substream,
320 int channel, unsigned long pos,
321 struct iov_iter *src, unsigned long count)
322{
323 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
324
325 return copy_from_iter_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
326 src, count);
327}
328
329static int
330snd_rme96_capture_copy(struct snd_pcm_substream *substream,
331 int channel, unsigned long pos,
332 struct iov_iter *dst, unsigned long count)
333{
334 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
335
336 return copy_to_iter_fromio(dst,
337 rme96->iobase + RME96_IO_REC_BUFFER + pos,
338 count);
339}
340
341/*
342 * Digital output capabilities (S/PDIF)
343 */
344static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
345{
346 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
347 SNDRV_PCM_INFO_MMAP_VALID |
348 SNDRV_PCM_INFO_SYNC_START |
349 SNDRV_PCM_INFO_RESUME |
350 SNDRV_PCM_INFO_INTERLEAVED |
351 SNDRV_PCM_INFO_PAUSE),
352 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
353 SNDRV_PCM_FMTBIT_S32_LE),
354 .rates = (SNDRV_PCM_RATE_32000 |
355 SNDRV_PCM_RATE_44100 |
356 SNDRV_PCM_RATE_48000 |
357 SNDRV_PCM_RATE_64000 |
358 SNDRV_PCM_RATE_88200 |
359 SNDRV_PCM_RATE_96000),
360 .rate_min = 32000,
361 .rate_max = 96000,
362 .channels_min = 2,
363 .channels_max = 2,
364 .buffer_bytes_max = RME96_BUFFER_SIZE,
365 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
366 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
367 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
368 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
369 .fifo_size = 0,
370};
371
372/*
373 * Digital input capabilities (S/PDIF)
374 */
375static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
376{
377 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
378 SNDRV_PCM_INFO_MMAP_VALID |
379 SNDRV_PCM_INFO_SYNC_START |
380 SNDRV_PCM_INFO_RESUME |
381 SNDRV_PCM_INFO_INTERLEAVED |
382 SNDRV_PCM_INFO_PAUSE),
383 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
384 SNDRV_PCM_FMTBIT_S32_LE),
385 .rates = (SNDRV_PCM_RATE_32000 |
386 SNDRV_PCM_RATE_44100 |
387 SNDRV_PCM_RATE_48000 |
388 SNDRV_PCM_RATE_64000 |
389 SNDRV_PCM_RATE_88200 |
390 SNDRV_PCM_RATE_96000),
391 .rate_min = 32000,
392 .rate_max = 96000,
393 .channels_min = 2,
394 .channels_max = 2,
395 .buffer_bytes_max = RME96_BUFFER_SIZE,
396 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
397 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
398 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
399 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
400 .fifo_size = 0,
401};
402
403/*
404 * Digital output capabilities (ADAT)
405 */
406static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
407{
408 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
409 SNDRV_PCM_INFO_MMAP_VALID |
410 SNDRV_PCM_INFO_SYNC_START |
411 SNDRV_PCM_INFO_RESUME |
412 SNDRV_PCM_INFO_INTERLEAVED |
413 SNDRV_PCM_INFO_PAUSE),
414 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
415 SNDRV_PCM_FMTBIT_S32_LE),
416 .rates = (SNDRV_PCM_RATE_44100 |
417 SNDRV_PCM_RATE_48000),
418 .rate_min = 44100,
419 .rate_max = 48000,
420 .channels_min = 8,
421 .channels_max = 8,
422 .buffer_bytes_max = RME96_BUFFER_SIZE,
423 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
424 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
425 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
426 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
427 .fifo_size = 0,
428};
429
430/*
431 * Digital input capabilities (ADAT)
432 */
433static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
434{
435 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
436 SNDRV_PCM_INFO_MMAP_VALID |
437 SNDRV_PCM_INFO_SYNC_START |
438 SNDRV_PCM_INFO_RESUME |
439 SNDRV_PCM_INFO_INTERLEAVED |
440 SNDRV_PCM_INFO_PAUSE),
441 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
442 SNDRV_PCM_FMTBIT_S32_LE),
443 .rates = (SNDRV_PCM_RATE_44100 |
444 SNDRV_PCM_RATE_48000),
445 .rate_min = 44100,
446 .rate_max = 48000,
447 .channels_min = 8,
448 .channels_max = 8,
449 .buffer_bytes_max = RME96_BUFFER_SIZE,
450 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
451 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
452 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
453 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
454 .fifo_size = 0,
455};
456
457/*
458 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
459 * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
460 * on the falling edge of CCLK and be stable on the rising edge. The rising
461 * edge of CLATCH after the last data bit clocks in the whole data word.
462 * A fast processor could probably drive the SPI interface faster than the
463 * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
464 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
465 *
466 * NOTE: increased delay from 1 to 10, since there where problems setting
467 * the volume.
468 */
469static void
470snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
471{
472 int i;
473
474 for (i = 0; i < 16; i++) {
475 if (val & 0x8000) {
476 rme96->areg |= RME96_AR_CDATA;
477 } else {
478 rme96->areg &= ~RME96_AR_CDATA;
479 }
480 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
481 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
482 udelay(10);
483 rme96->areg |= RME96_AR_CCLK;
484 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
485 udelay(10);
486 val <<= 1;
487 }
488 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
489 rme96->areg |= RME96_AR_CLATCH;
490 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
491 udelay(10);
492 rme96->areg &= ~RME96_AR_CLATCH;
493 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
494}
495
496static void
497snd_rme96_apply_dac_volume(struct rme96 *rme96)
498{
499 if (RME96_DAC_IS_1852(rme96)) {
500 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
501 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
502 } else if (RME96_DAC_IS_1855(rme96)) {
503 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
504 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
505 }
506}
507
508static void
509snd_rme96_reset_dac(struct rme96 *rme96)
510{
511 writel(rme96->wcreg | RME96_WCR_PD,
512 rme96->iobase + RME96_IO_CONTROL_REGISTER);
513 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
514}
515
516static int
517snd_rme96_getmontracks(struct rme96 *rme96)
518{
519 return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
520 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
521}
522
523static int
524snd_rme96_setmontracks(struct rme96 *rme96,
525 int montracks)
526{
527 if (montracks & 1) {
528 rme96->wcreg |= RME96_WCR_MONITOR_0;
529 } else {
530 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
531 }
532 if (montracks & 2) {
533 rme96->wcreg |= RME96_WCR_MONITOR_1;
534 } else {
535 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
536 }
537 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
538 return 0;
539}
540
541static int
542snd_rme96_getattenuation(struct rme96 *rme96)
543{
544 return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
545 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
546}
547
548static int
549snd_rme96_setattenuation(struct rme96 *rme96,
550 int attenuation)
551{
552 switch (attenuation) {
553 case 0:
554 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
555 ~RME96_WCR_GAIN_1;
556 break;
557 case 1:
558 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
559 ~RME96_WCR_GAIN_1;
560 break;
561 case 2:
562 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
563 RME96_WCR_GAIN_1;
564 break;
565 case 3:
566 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
567 RME96_WCR_GAIN_1;
568 break;
569 default:
570 return -EINVAL;
571 }
572 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
573 return 0;
574}
575
576static int
577snd_rme96_capture_getrate(struct rme96 *rme96,
578 int *is_adat)
579{
580 int n, rate;
581
582 *is_adat = 0;
583 if (rme96->areg & RME96_AR_ANALOG) {
584 /* Analog input, overrides S/PDIF setting */
585 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
586 (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
587 switch (n) {
588 case 1:
589 rate = 32000;
590 break;
591 case 2:
592 rate = 44100;
593 break;
594 case 3:
595 rate = 48000;
596 break;
597 default:
598 return -1;
599 }
600 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
601 }
602
603 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
604 if (rme96->rcreg & RME96_RCR_LOCK) {
605 /* ADAT rate */
606 *is_adat = 1;
607 if (rme96->rcreg & RME96_RCR_T_OUT) {
608 return 48000;
609 }
610 return 44100;
611 }
612
613 if (rme96->rcreg & RME96_RCR_VERF) {
614 return -1;
615 }
616
617 /* S/PDIF rate */
618 n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
619 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
620 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
621
622 switch (n) {
623 case 0:
624 if (rme96->rcreg & RME96_RCR_T_OUT) {
625 return 64000;
626 }
627 return -1;
628 case 3: return 96000;
629 case 4: return 88200;
630 case 5: return 48000;
631 case 6: return 44100;
632 case 7: return 32000;
633 default:
634 break;
635 }
636 return -1;
637}
638
639static int
640snd_rme96_playback_getrate(struct rme96 *rme96)
641{
642 int rate, dummy;
643
644 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
645 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
646 rate = snd_rme96_capture_getrate(rme96, &dummy);
647 if (rate > 0) {
648 /* slave clock */
649 return rate;
650 }
651 }
652
653 rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
654 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
655 switch (rate) {
656 case 1:
657 rate = 32000;
658 break;
659 case 2:
660 rate = 44100;
661 break;
662 case 3:
663 rate = 48000;
664 break;
665 default:
666 return -1;
667 }
668 return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
669}
670
671static int
672snd_rme96_playback_setrate(struct rme96 *rme96,
673 int rate)
674{
675 int ds;
676
677 ds = rme96->wcreg & RME96_WCR_DS;
678 switch (rate) {
679 case 32000:
680 rme96->wcreg &= ~RME96_WCR_DS;
681 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
682 ~RME96_WCR_FREQ_1;
683 break;
684 case 44100:
685 rme96->wcreg &= ~RME96_WCR_DS;
686 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
687 ~RME96_WCR_FREQ_0;
688 break;
689 case 48000:
690 rme96->wcreg &= ~RME96_WCR_DS;
691 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
692 RME96_WCR_FREQ_1;
693 break;
694 case 64000:
695 rme96->wcreg |= RME96_WCR_DS;
696 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
697 ~RME96_WCR_FREQ_1;
698 break;
699 case 88200:
700 rme96->wcreg |= RME96_WCR_DS;
701 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
702 ~RME96_WCR_FREQ_0;
703 break;
704 case 96000:
705 rme96->wcreg |= RME96_WCR_DS;
706 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
707 RME96_WCR_FREQ_1;
708 break;
709 default:
710 return -EINVAL;
711 }
712 if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
713 (ds && !(rme96->wcreg & RME96_WCR_DS)))
714 {
715 /* change to/from double-speed: reset the DAC (if available) */
716 snd_rme96_reset_dac(rme96);
717 return 1; /* need to restore volume */
718 } else {
719 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
720 return 0;
721 }
722}
723
724static int
725snd_rme96_capture_analog_setrate(struct rme96 *rme96,
726 int rate)
727{
728 switch (rate) {
729 case 32000:
730 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
731 ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
732 break;
733 case 44100:
734 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
735 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
736 break;
737 case 48000:
738 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
739 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
740 break;
741 case 64000:
742 if (rme96->rev < 4) {
743 return -EINVAL;
744 }
745 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
746 ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
747 break;
748 case 88200:
749 if (rme96->rev < 4) {
750 return -EINVAL;
751 }
752 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
753 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
754 break;
755 case 96000:
756 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
757 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
758 break;
759 default:
760 return -EINVAL;
761 }
762 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
763 return 0;
764}
765
766static int
767snd_rme96_setclockmode(struct rme96 *rme96,
768 int mode)
769{
770 switch (mode) {
771 case RME96_CLOCKMODE_SLAVE:
772 /* AutoSync */
773 rme96->wcreg &= ~RME96_WCR_MASTER;
774 rme96->areg &= ~RME96_AR_WSEL;
775 break;
776 case RME96_CLOCKMODE_MASTER:
777 /* Internal */
778 rme96->wcreg |= RME96_WCR_MASTER;
779 rme96->areg &= ~RME96_AR_WSEL;
780 break;
781 case RME96_CLOCKMODE_WORDCLOCK:
782 /* Word clock is a master mode */
783 rme96->wcreg |= RME96_WCR_MASTER;
784 rme96->areg |= RME96_AR_WSEL;
785 break;
786 default:
787 return -EINVAL;
788 }
789 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
790 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
791 return 0;
792}
793
794static int
795snd_rme96_getclockmode(struct rme96 *rme96)
796{
797 if (rme96->areg & RME96_AR_WSEL) {
798 return RME96_CLOCKMODE_WORDCLOCK;
799 }
800 return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
801 RME96_CLOCKMODE_SLAVE;
802}
803
804static int
805snd_rme96_setinputtype(struct rme96 *rme96,
806 int type)
807{
808 int n;
809
810 switch (type) {
811 case RME96_INPUT_OPTICAL:
812 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
813 ~RME96_WCR_INP_1;
814 break;
815 case RME96_INPUT_COAXIAL:
816 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
817 ~RME96_WCR_INP_1;
818 break;
819 case RME96_INPUT_INTERNAL:
820 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
821 RME96_WCR_INP_1;
822 break;
823 case RME96_INPUT_XLR:
824 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
825 rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
826 (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
827 rme96->rev > 4))
828 {
829 /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
830 return -EINVAL;
831 }
832 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
833 RME96_WCR_INP_1;
834 break;
835 case RME96_INPUT_ANALOG:
836 if (!RME96_HAS_ANALOG_IN(rme96)) {
837 return -EINVAL;
838 }
839 rme96->areg |= RME96_AR_ANALOG;
840 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
841 if (rme96->rev < 4) {
842 /*
843 * Revision less than 004 does not support 64 and
844 * 88.2 kHz
845 */
846 if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
847 snd_rme96_capture_analog_setrate(rme96, 44100);
848 }
849 if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
850 snd_rme96_capture_analog_setrate(rme96, 32000);
851 }
852 }
853 return 0;
854 default:
855 return -EINVAL;
856 }
857 if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
858 rme96->areg &= ~RME96_AR_ANALOG;
859 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
860 }
861 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
862 return 0;
863}
864
865static int
866snd_rme96_getinputtype(struct rme96 *rme96)
867{
868 if (rme96->areg & RME96_AR_ANALOG) {
869 return RME96_INPUT_ANALOG;
870 }
871 return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
872 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
873}
874
875static void
876snd_rme96_setframelog(struct rme96 *rme96,
877 int n_channels,
878 int is_playback)
879{
880 int frlog;
881
882 if (n_channels == 2) {
883 frlog = 1;
884 } else {
885 /* assume 8 channels */
886 frlog = 3;
887 }
888 if (is_playback) {
889 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
890 rme96->playback_frlog = frlog;
891 } else {
892 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
893 rme96->capture_frlog = frlog;
894 }
895}
896
897static int
898snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
899{
900 switch (format) {
901 case SNDRV_PCM_FORMAT_S16_LE:
902 rme96->wcreg &= ~RME96_WCR_MODE24;
903 break;
904 case SNDRV_PCM_FORMAT_S32_LE:
905 rme96->wcreg |= RME96_WCR_MODE24;
906 break;
907 default:
908 return -EINVAL;
909 }
910 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
911 return 0;
912}
913
914static int
915snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
916{
917 switch (format) {
918 case SNDRV_PCM_FORMAT_S16_LE:
919 rme96->wcreg &= ~RME96_WCR_MODE24_2;
920 break;
921 case SNDRV_PCM_FORMAT_S32_LE:
922 rme96->wcreg |= RME96_WCR_MODE24_2;
923 break;
924 default:
925 return -EINVAL;
926 }
927 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
928 return 0;
929}
930
931static void
932snd_rme96_set_period_properties(struct rme96 *rme96,
933 size_t period_bytes)
934{
935 switch (period_bytes) {
936 case RME96_LARGE_BLOCK_SIZE:
937 rme96->wcreg &= ~RME96_WCR_ISEL;
938 break;
939 case RME96_SMALL_BLOCK_SIZE:
940 rme96->wcreg |= RME96_WCR_ISEL;
941 break;
942 default:
943 snd_BUG();
944 break;
945 }
946 rme96->wcreg &= ~RME96_WCR_IDIS;
947 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
948}
949
950static int
951snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
952 struct snd_pcm_hw_params *params)
953{
954 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
955 struct snd_pcm_runtime *runtime = substream->runtime;
956 int err, rate, dummy;
957 bool apply_dac_volume = false;
958
959 runtime->dma_area = (void __force *)(rme96->iobase +
960 RME96_IO_PLAY_BUFFER);
961 runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
962 runtime->dma_bytes = RME96_BUFFER_SIZE;
963
964 spin_lock_irq(&rme96->lock);
965 rate = 0;
966 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
967 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG)
968 rate = snd_rme96_capture_getrate(rme96, &dummy);
969 if (rate > 0) {
970 /* slave clock */
971 if ((int)params_rate(params) != rate) {
972 err = -EIO;
973 goto error;
974 }
975 } else {
976 err = snd_rme96_playback_setrate(rme96, params_rate(params));
977 if (err < 0)
978 goto error;
979 apply_dac_volume = err > 0; /* need to restore volume later? */
980 }
981
982 err = snd_rme96_playback_setformat(rme96, params_format(params));
983 if (err < 0)
984 goto error;
985 snd_rme96_setframelog(rme96, params_channels(params), 1);
986 if (rme96->capture_periodsize != 0) {
987 if (params_period_size(params) << rme96->playback_frlog !=
988 rme96->capture_periodsize)
989 {
990 err = -EBUSY;
991 goto error;
992 }
993 }
994 rme96->playback_periodsize =
995 params_period_size(params) << rme96->playback_frlog;
996 snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
997 /* S/PDIF setup */
998 if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
999 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
1000 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1001 }
1002
1003 err = 0;
1004 error:
1005 spin_unlock_irq(&rme96->lock);
1006 if (apply_dac_volume) {
1007 usleep_range(3000, 10000);
1008 snd_rme96_apply_dac_volume(rme96);
1009 }
1010
1011 return err;
1012}
1013
1014static int
1015snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1016 struct snd_pcm_hw_params *params)
1017{
1018 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1019 struct snd_pcm_runtime *runtime = substream->runtime;
1020 int err, isadat, rate;
1021
1022 runtime->dma_area = (void __force *)(rme96->iobase +
1023 RME96_IO_REC_BUFFER);
1024 runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1025 runtime->dma_bytes = RME96_BUFFER_SIZE;
1026
1027 spin_lock_irq(&rme96->lock);
1028 err = snd_rme96_capture_setformat(rme96, params_format(params));
1029 if (err < 0) {
1030 spin_unlock_irq(&rme96->lock);
1031 return err;
1032 }
1033 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1034 err = snd_rme96_capture_analog_setrate(rme96, params_rate(params));
1035 if (err < 0) {
1036 spin_unlock_irq(&rme96->lock);
1037 return err;
1038 }
1039 } else {
1040 rate = snd_rme96_capture_getrate(rme96, &isadat);
1041 if (rate > 0) {
1042 if ((int)params_rate(params) != rate) {
1043 spin_unlock_irq(&rme96->lock);
1044 return -EIO;
1045 }
1046 if ((isadat && runtime->hw.channels_min == 2) ||
1047 (!isadat && runtime->hw.channels_min == 8)) {
1048 spin_unlock_irq(&rme96->lock);
1049 return -EIO;
1050 }
1051 }
1052 }
1053 snd_rme96_setframelog(rme96, params_channels(params), 0);
1054 if (rme96->playback_periodsize != 0) {
1055 if (params_period_size(params) << rme96->capture_frlog !=
1056 rme96->playback_periodsize)
1057 {
1058 spin_unlock_irq(&rme96->lock);
1059 return -EBUSY;
1060 }
1061 }
1062 rme96->capture_periodsize =
1063 params_period_size(params) << rme96->capture_frlog;
1064 snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1065 spin_unlock_irq(&rme96->lock);
1066
1067 return 0;
1068}
1069
1070static void
1071snd_rme96_trigger(struct rme96 *rme96,
1072 int op)
1073{
1074 if (op & RME96_TB_RESET_PLAYPOS)
1075 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1076 if (op & RME96_TB_RESET_CAPTUREPOS)
1077 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1078 if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
1079 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1080 if (rme96->rcreg & RME96_RCR_IRQ)
1081 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1082 }
1083 if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
1084 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1085 if (rme96->rcreg & RME96_RCR_IRQ_2)
1086 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1087 }
1088 if (op & RME96_TB_START_PLAYBACK)
1089 rme96->wcreg |= RME96_WCR_START;
1090 if (op & RME96_TB_STOP_PLAYBACK)
1091 rme96->wcreg &= ~RME96_WCR_START;
1092 if (op & RME96_TB_START_CAPTURE)
1093 rme96->wcreg |= RME96_WCR_START_2;
1094 if (op & RME96_TB_STOP_CAPTURE)
1095 rme96->wcreg &= ~RME96_WCR_START_2;
1096 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1097}
1098
1099
1100
1101static irqreturn_t
1102snd_rme96_interrupt(int irq,
1103 void *dev_id)
1104{
1105 struct rme96 *rme96 = (struct rme96 *)dev_id;
1106
1107 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1108 /* fastpath out, to ease interrupt sharing */
1109 if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1110 (rme96->rcreg & RME96_RCR_IRQ_2)))
1111 {
1112 return IRQ_NONE;
1113 }
1114
1115 if (rme96->rcreg & RME96_RCR_IRQ) {
1116 /* playback */
1117 snd_pcm_period_elapsed(rme96->playback_substream);
1118 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1119 }
1120 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1121 /* capture */
1122 snd_pcm_period_elapsed(rme96->capture_substream);
1123 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1124 }
1125 return IRQ_HANDLED;
1126}
1127
1128static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1129
1130static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1131 .count = ARRAY_SIZE(period_bytes),
1132 .list = period_bytes,
1133 .mask = 0
1134};
1135
1136static void
1137rme96_set_buffer_size_constraint(struct rme96 *rme96,
1138 struct snd_pcm_runtime *runtime)
1139{
1140 unsigned int size;
1141
1142 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1143 RME96_BUFFER_SIZE);
1144 size = rme96->playback_periodsize;
1145 if (!size)
1146 size = rme96->capture_periodsize;
1147 if (size)
1148 snd_pcm_hw_constraint_single(runtime,
1149 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1150 size);
1151 else
1152 snd_pcm_hw_constraint_list(runtime, 0,
1153 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1154 &hw_constraints_period_bytes);
1155}
1156
1157static int
1158snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1159{
1160 int rate, dummy;
1161 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1162 struct snd_pcm_runtime *runtime = substream->runtime;
1163
1164 snd_pcm_set_sync(substream);
1165 spin_lock_irq(&rme96->lock);
1166 if (rme96->playback_substream) {
1167 spin_unlock_irq(&rme96->lock);
1168 return -EBUSY;
1169 }
1170 rme96->wcreg &= ~RME96_WCR_ADAT;
1171 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1172 rme96->playback_substream = substream;
1173 spin_unlock_irq(&rme96->lock);
1174
1175 runtime->hw = snd_rme96_playback_spdif_info;
1176 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1177 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1178 rate = snd_rme96_capture_getrate(rme96, &dummy);
1179 if (rate > 0) {
1180 /* slave clock */
1181 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1182 runtime->hw.rate_min = rate;
1183 runtime->hw.rate_max = rate;
1184 }
1185 }
1186 rme96_set_buffer_size_constraint(rme96, runtime);
1187
1188 rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1189 rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1190 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1191 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1192 return 0;
1193}
1194
1195static int
1196snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1197{
1198 int isadat, rate;
1199 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1200 struct snd_pcm_runtime *runtime = substream->runtime;
1201
1202 snd_pcm_set_sync(substream);
1203 runtime->hw = snd_rme96_capture_spdif_info;
1204 if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1205 rate = snd_rme96_capture_getrate(rme96, &isadat);
1206 if (rate > 0) {
1207 if (isadat)
1208 return -EIO;
1209 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1210 runtime->hw.rate_min = rate;
1211 runtime->hw.rate_max = rate;
1212 }
1213 }
1214
1215 spin_lock_irq(&rme96->lock);
1216 if (rme96->capture_substream) {
1217 spin_unlock_irq(&rme96->lock);
1218 return -EBUSY;
1219 }
1220 rme96->capture_substream = substream;
1221 spin_unlock_irq(&rme96->lock);
1222
1223 rme96_set_buffer_size_constraint(rme96, runtime);
1224 return 0;
1225}
1226
1227static int
1228snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1229{
1230 int rate, dummy;
1231 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1232 struct snd_pcm_runtime *runtime = substream->runtime;
1233
1234 snd_pcm_set_sync(substream);
1235 spin_lock_irq(&rme96->lock);
1236 if (rme96->playback_substream) {
1237 spin_unlock_irq(&rme96->lock);
1238 return -EBUSY;
1239 }
1240 rme96->wcreg |= RME96_WCR_ADAT;
1241 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1242 rme96->playback_substream = substream;
1243 spin_unlock_irq(&rme96->lock);
1244
1245 runtime->hw = snd_rme96_playback_adat_info;
1246 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1247 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
1248 rate = snd_rme96_capture_getrate(rme96, &dummy);
1249 if (rate > 0) {
1250 /* slave clock */
1251 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1252 runtime->hw.rate_min = rate;
1253 runtime->hw.rate_max = rate;
1254 }
1255 }
1256
1257 rme96_set_buffer_size_constraint(rme96, runtime);
1258 return 0;
1259}
1260
1261static int
1262snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1263{
1264 int isadat, rate;
1265 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1266 struct snd_pcm_runtime *runtime = substream->runtime;
1267
1268 snd_pcm_set_sync(substream);
1269 runtime->hw = snd_rme96_capture_adat_info;
1270 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1271 /* makes no sense to use analog input. Note that analog
1272 expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1273 return -EIO;
1274 }
1275 rate = snd_rme96_capture_getrate(rme96, &isadat);
1276 if (rate > 0) {
1277 if (!isadat) {
1278 return -EIO;
1279 }
1280 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1281 runtime->hw.rate_min = rate;
1282 runtime->hw.rate_max = rate;
1283 }
1284
1285 spin_lock_irq(&rme96->lock);
1286 if (rme96->capture_substream) {
1287 spin_unlock_irq(&rme96->lock);
1288 return -EBUSY;
1289 }
1290 rme96->capture_substream = substream;
1291 spin_unlock_irq(&rme96->lock);
1292
1293 rme96_set_buffer_size_constraint(rme96, runtime);
1294 return 0;
1295}
1296
1297static int
1298snd_rme96_playback_close(struct snd_pcm_substream *substream)
1299{
1300 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1301 int spdif = 0;
1302
1303 spin_lock_irq(&rme96->lock);
1304 if (RME96_ISPLAYING(rme96)) {
1305 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1306 }
1307 rme96->playback_substream = NULL;
1308 rme96->playback_periodsize = 0;
1309 spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1310 spin_unlock_irq(&rme96->lock);
1311 if (spdif) {
1312 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1313 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1314 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1315 }
1316 return 0;
1317}
1318
1319static int
1320snd_rme96_capture_close(struct snd_pcm_substream *substream)
1321{
1322 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1323
1324 spin_lock_irq(&rme96->lock);
1325 if (RME96_ISRECORDING(rme96)) {
1326 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1327 }
1328 rme96->capture_substream = NULL;
1329 rme96->capture_periodsize = 0;
1330 spin_unlock_irq(&rme96->lock);
1331 return 0;
1332}
1333
1334static int
1335snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1336{
1337 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1338
1339 spin_lock_irq(&rme96->lock);
1340 if (RME96_ISPLAYING(rme96)) {
1341 snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
1342 }
1343 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1344 spin_unlock_irq(&rme96->lock);
1345 return 0;
1346}
1347
1348static int
1349snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1350{
1351 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1352
1353 spin_lock_irq(&rme96->lock);
1354 if (RME96_ISRECORDING(rme96)) {
1355 snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
1356 }
1357 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1358 spin_unlock_irq(&rme96->lock);
1359 return 0;
1360}
1361
1362static int
1363snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1364 int cmd)
1365{
1366 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1367 struct snd_pcm_substream *s;
1368 bool sync;
1369
1370 snd_pcm_group_for_each_entry(s, substream) {
1371 if (snd_pcm_substream_chip(s) == rme96)
1372 snd_pcm_trigger_done(s, substream);
1373 }
1374
1375 sync = (rme96->playback_substream && rme96->capture_substream) &&
1376 (rme96->playback_substream->group ==
1377 rme96->capture_substream->group);
1378
1379 switch (cmd) {
1380 case SNDRV_PCM_TRIGGER_START:
1381 if (!RME96_ISPLAYING(rme96)) {
1382 if (substream != rme96->playback_substream)
1383 return -EBUSY;
1384 snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1385 : RME96_START_PLAYBACK);
1386 }
1387 break;
1388
1389 case SNDRV_PCM_TRIGGER_SUSPEND:
1390 case SNDRV_PCM_TRIGGER_STOP:
1391 if (RME96_ISPLAYING(rme96)) {
1392 if (substream != rme96->playback_substream)
1393 return -EBUSY;
1394 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1395 : RME96_STOP_PLAYBACK);
1396 }
1397 break;
1398
1399 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1400 if (RME96_ISPLAYING(rme96))
1401 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1402 : RME96_STOP_PLAYBACK);
1403 break;
1404
1405 case SNDRV_PCM_TRIGGER_RESUME:
1406 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1407 if (!RME96_ISPLAYING(rme96))
1408 snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1409 : RME96_RESUME_PLAYBACK);
1410 break;
1411
1412 default:
1413 return -EINVAL;
1414 }
1415
1416 return 0;
1417}
1418
1419static int
1420snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1421 int cmd)
1422{
1423 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1424 struct snd_pcm_substream *s;
1425 bool sync;
1426
1427 snd_pcm_group_for_each_entry(s, substream) {
1428 if (snd_pcm_substream_chip(s) == rme96)
1429 snd_pcm_trigger_done(s, substream);
1430 }
1431
1432 sync = (rme96->playback_substream && rme96->capture_substream) &&
1433 (rme96->playback_substream->group ==
1434 rme96->capture_substream->group);
1435
1436 switch (cmd) {
1437 case SNDRV_PCM_TRIGGER_START:
1438 if (!RME96_ISRECORDING(rme96)) {
1439 if (substream != rme96->capture_substream)
1440 return -EBUSY;
1441 snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
1442 : RME96_START_CAPTURE);
1443 }
1444 break;
1445
1446 case SNDRV_PCM_TRIGGER_SUSPEND:
1447 case SNDRV_PCM_TRIGGER_STOP:
1448 if (RME96_ISRECORDING(rme96)) {
1449 if (substream != rme96->capture_substream)
1450 return -EBUSY;
1451 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1452 : RME96_STOP_CAPTURE);
1453 }
1454 break;
1455
1456 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1457 if (RME96_ISRECORDING(rme96))
1458 snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
1459 : RME96_STOP_CAPTURE);
1460 break;
1461
1462 case SNDRV_PCM_TRIGGER_RESUME:
1463 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1464 if (!RME96_ISRECORDING(rme96))
1465 snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
1466 : RME96_RESUME_CAPTURE);
1467 break;
1468
1469 default:
1470 return -EINVAL;
1471 }
1472
1473 return 0;
1474}
1475
1476static snd_pcm_uframes_t
1477snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1478{
1479 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1480 return snd_rme96_playback_ptr(rme96);
1481}
1482
1483static snd_pcm_uframes_t
1484snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1485{
1486 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1487 return snd_rme96_capture_ptr(rme96);
1488}
1489
1490static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1491 .open = snd_rme96_playback_spdif_open,
1492 .close = snd_rme96_playback_close,
1493 .hw_params = snd_rme96_playback_hw_params,
1494 .prepare = snd_rme96_playback_prepare,
1495 .trigger = snd_rme96_playback_trigger,
1496 .pointer = snd_rme96_playback_pointer,
1497 .copy = snd_rme96_playback_copy,
1498 .fill_silence = snd_rme96_playback_silence,
1499 .mmap = snd_pcm_lib_mmap_iomem,
1500};
1501
1502static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1503 .open = snd_rme96_capture_spdif_open,
1504 .close = snd_rme96_capture_close,
1505 .hw_params = snd_rme96_capture_hw_params,
1506 .prepare = snd_rme96_capture_prepare,
1507 .trigger = snd_rme96_capture_trigger,
1508 .pointer = snd_rme96_capture_pointer,
1509 .copy = snd_rme96_capture_copy,
1510 .mmap = snd_pcm_lib_mmap_iomem,
1511};
1512
1513static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1514 .open = snd_rme96_playback_adat_open,
1515 .close = snd_rme96_playback_close,
1516 .hw_params = snd_rme96_playback_hw_params,
1517 .prepare = snd_rme96_playback_prepare,
1518 .trigger = snd_rme96_playback_trigger,
1519 .pointer = snd_rme96_playback_pointer,
1520 .copy = snd_rme96_playback_copy,
1521 .fill_silence = snd_rme96_playback_silence,
1522 .mmap = snd_pcm_lib_mmap_iomem,
1523};
1524
1525static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1526 .open = snd_rme96_capture_adat_open,
1527 .close = snd_rme96_capture_close,
1528 .hw_params = snd_rme96_capture_hw_params,
1529 .prepare = snd_rme96_capture_prepare,
1530 .trigger = snd_rme96_capture_trigger,
1531 .pointer = snd_rme96_capture_pointer,
1532 .copy = snd_rme96_capture_copy,
1533 .mmap = snd_pcm_lib_mmap_iomem,
1534};
1535
1536static void
1537snd_rme96_free(struct rme96 *rme96)
1538{
1539 if (rme96->irq >= 0) {
1540 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1541 rme96->areg &= ~RME96_AR_DAC_EN;
1542 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1543 }
1544 vfree(rme96->playback_suspend_buffer);
1545 vfree(rme96->capture_suspend_buffer);
1546}
1547
1548static void
1549snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1550{
1551 struct rme96 *rme96 = pcm->private_data;
1552 rme96->spdif_pcm = NULL;
1553}
1554
1555static void
1556snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1557{
1558 struct rme96 *rme96 = pcm->private_data;
1559 rme96->adat_pcm = NULL;
1560}
1561
1562static int
1563snd_rme96_create(struct rme96 *rme96)
1564{
1565 struct pci_dev *pci = rme96->pci;
1566 int err;
1567
1568 rme96->irq = -1;
1569 spin_lock_init(&rme96->lock);
1570
1571 err = pcim_enable_device(pci);
1572 if (err < 0)
1573 return err;
1574
1575 err = pci_request_regions(pci, "RME96");
1576 if (err < 0)
1577 return err;
1578 rme96->port = pci_resource_start(rme96->pci, 0);
1579
1580 rme96->iobase = devm_ioremap(&pci->dev, rme96->port, RME96_IO_SIZE);
1581 if (!rme96->iobase) {
1582 dev_err(rme96->card->dev,
1583 "unable to remap memory region 0x%lx-0x%lx\n",
1584 rme96->port, rme96->port + RME96_IO_SIZE - 1);
1585 return -EBUSY;
1586 }
1587
1588 if (devm_request_irq(&pci->dev, pci->irq, snd_rme96_interrupt,
1589 IRQF_SHARED, KBUILD_MODNAME, rme96)) {
1590 dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
1591 return -EBUSY;
1592 }
1593 rme96->irq = pci->irq;
1594 rme96->card->sync_irq = rme96->irq;
1595
1596 /* read the card's revision number */
1597 pci_read_config_byte(pci, 8, &rme96->rev);
1598
1599 /* set up ALSA pcm device for S/PDIF */
1600 err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1601 1, 1, &rme96->spdif_pcm);
1602 if (err < 0)
1603 return err;
1604
1605 rme96->spdif_pcm->private_data = rme96;
1606 rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1607 strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1608 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1609 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1610
1611 rme96->spdif_pcm->info_flags = 0;
1612
1613 /* set up ALSA pcm device for ADAT */
1614 if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1615 /* ADAT is not available on the base model */
1616 rme96->adat_pcm = NULL;
1617 } else {
1618 err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1619 1, 1, &rme96->adat_pcm);
1620 if (err < 0)
1621 return err;
1622 rme96->adat_pcm->private_data = rme96;
1623 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1624 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1625 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1626 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1627
1628 rme96->adat_pcm->info_flags = 0;
1629 }
1630
1631 rme96->playback_periodsize = 0;
1632 rme96->capture_periodsize = 0;
1633
1634 /* make sure playback/capture is stopped, if by some reason active */
1635 snd_rme96_trigger(rme96, RME96_STOP_BOTH);
1636
1637 /* set default values in registers */
1638 rme96->wcreg =
1639 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1640 RME96_WCR_SEL | /* normal playback */
1641 RME96_WCR_MASTER | /* set to master clock mode */
1642 RME96_WCR_INP_0; /* set coaxial input */
1643
1644 rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1645
1646 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1647 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1648
1649 /* reset the ADC */
1650 writel(rme96->areg | RME96_AR_PD2,
1651 rme96->iobase + RME96_IO_ADDITIONAL_REG);
1652 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1653
1654 /* reset and enable the DAC (order is important). */
1655 snd_rme96_reset_dac(rme96);
1656 rme96->areg |= RME96_AR_DAC_EN;
1657 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1658
1659 /* reset playback and record buffer pointers */
1660 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1661 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1662
1663 /* reset volume */
1664 rme96->vol[0] = rme96->vol[1] = 0;
1665 if (RME96_HAS_ANALOG_OUT(rme96)) {
1666 snd_rme96_apply_dac_volume(rme96);
1667 }
1668
1669 /* init switch interface */
1670 err = snd_rme96_create_switches(rme96->card, rme96);
1671 if (err < 0)
1672 return err;
1673
1674 /* init proc interface */
1675 snd_rme96_proc_init(rme96);
1676
1677 return 0;
1678}
1679
1680/*
1681 * proc interface
1682 */
1683
1684static void
1685snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1686{
1687 int n;
1688 struct rme96 *rme96 = entry->private_data;
1689
1690 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1691
1692 snd_iprintf(buffer, rme96->card->longname);
1693 snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1694
1695 snd_iprintf(buffer, "\nGeneral settings\n");
1696 if (rme96->wcreg & RME96_WCR_IDIS) {
1697 snd_iprintf(buffer, " period size: N/A (interrupts "
1698 "disabled)\n");
1699 } else if (rme96->wcreg & RME96_WCR_ISEL) {
1700 snd_iprintf(buffer, " period size: 2048 bytes\n");
1701 } else {
1702 snd_iprintf(buffer, " period size: 8192 bytes\n");
1703 }
1704 snd_iprintf(buffer, "\nInput settings\n");
1705 switch (snd_rme96_getinputtype(rme96)) {
1706 case RME96_INPUT_OPTICAL:
1707 snd_iprintf(buffer, " input: optical");
1708 break;
1709 case RME96_INPUT_COAXIAL:
1710 snd_iprintf(buffer, " input: coaxial");
1711 break;
1712 case RME96_INPUT_INTERNAL:
1713 snd_iprintf(buffer, " input: internal");
1714 break;
1715 case RME96_INPUT_XLR:
1716 snd_iprintf(buffer, " input: XLR");
1717 break;
1718 case RME96_INPUT_ANALOG:
1719 snd_iprintf(buffer, " input: analog");
1720 break;
1721 }
1722 if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1723 snd_iprintf(buffer, "\n sample rate: no valid signal\n");
1724 } else {
1725 if (n) {
1726 snd_iprintf(buffer, " (8 channels)\n");
1727 } else {
1728 snd_iprintf(buffer, " (2 channels)\n");
1729 }
1730 snd_iprintf(buffer, " sample rate: %d Hz\n",
1731 snd_rme96_capture_getrate(rme96, &n));
1732 }
1733 if (rme96->wcreg & RME96_WCR_MODE24_2) {
1734 snd_iprintf(buffer, " sample format: 24 bit\n");
1735 } else {
1736 snd_iprintf(buffer, " sample format: 16 bit\n");
1737 }
1738
1739 snd_iprintf(buffer, "\nOutput settings\n");
1740 if (rme96->wcreg & RME96_WCR_SEL) {
1741 snd_iprintf(buffer, " output signal: normal playback\n");
1742 } else {
1743 snd_iprintf(buffer, " output signal: same as input\n");
1744 }
1745 snd_iprintf(buffer, " sample rate: %d Hz\n",
1746 snd_rme96_playback_getrate(rme96));
1747 if (rme96->wcreg & RME96_WCR_MODE24) {
1748 snd_iprintf(buffer, " sample format: 24 bit\n");
1749 } else {
1750 snd_iprintf(buffer, " sample format: 16 bit\n");
1751 }
1752 if (rme96->areg & RME96_AR_WSEL) {
1753 snd_iprintf(buffer, " sample clock source: word clock\n");
1754 } else if (rme96->wcreg & RME96_WCR_MASTER) {
1755 snd_iprintf(buffer, " sample clock source: internal\n");
1756 } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1757 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
1758 } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1759 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
1760 } else {
1761 snd_iprintf(buffer, " sample clock source: autosync\n");
1762 }
1763 if (rme96->wcreg & RME96_WCR_PRO) {
1764 snd_iprintf(buffer, " format: AES/EBU (professional)\n");
1765 } else {
1766 snd_iprintf(buffer, " format: IEC958 (consumer)\n");
1767 }
1768 if (rme96->wcreg & RME96_WCR_EMP) {
1769 snd_iprintf(buffer, " emphasis: on\n");
1770 } else {
1771 snd_iprintf(buffer, " emphasis: off\n");
1772 }
1773 if (rme96->wcreg & RME96_WCR_DOLBY) {
1774 snd_iprintf(buffer, " non-audio (dolby): on\n");
1775 } else {
1776 snd_iprintf(buffer, " non-audio (dolby): off\n");
1777 }
1778 if (RME96_HAS_ANALOG_IN(rme96)) {
1779 snd_iprintf(buffer, "\nAnalog output settings\n");
1780 switch (snd_rme96_getmontracks(rme96)) {
1781 case RME96_MONITOR_TRACKS_1_2:
1782 snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
1783 break;
1784 case RME96_MONITOR_TRACKS_3_4:
1785 snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
1786 break;
1787 case RME96_MONITOR_TRACKS_5_6:
1788 snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
1789 break;
1790 case RME96_MONITOR_TRACKS_7_8:
1791 snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
1792 break;
1793 }
1794 switch (snd_rme96_getattenuation(rme96)) {
1795 case RME96_ATTENUATION_0:
1796 snd_iprintf(buffer, " attenuation: 0 dB\n");
1797 break;
1798 case RME96_ATTENUATION_6:
1799 snd_iprintf(buffer, " attenuation: -6 dB\n");
1800 break;
1801 case RME96_ATTENUATION_12:
1802 snd_iprintf(buffer, " attenuation: -12 dB\n");
1803 break;
1804 case RME96_ATTENUATION_18:
1805 snd_iprintf(buffer, " attenuation: -18 dB\n");
1806 break;
1807 }
1808 snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
1809 snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
1810 }
1811}
1812
1813static void snd_rme96_proc_init(struct rme96 *rme96)
1814{
1815 snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
1816}
1817
1818/*
1819 * control interface
1820 */
1821
1822#define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
1823
1824static int
1825snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1826{
1827 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1828
1829 spin_lock_irq(&rme96->lock);
1830 ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1831 spin_unlock_irq(&rme96->lock);
1832 return 0;
1833}
1834static int
1835snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1836{
1837 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1838 unsigned int val;
1839 int change;
1840
1841 val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1842 spin_lock_irq(&rme96->lock);
1843 val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1844 change = val != rme96->wcreg;
1845 rme96->wcreg = val;
1846 writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1847 spin_unlock_irq(&rme96->lock);
1848 return change;
1849}
1850
1851static int
1852snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1853{
1854 static const char * const _texts[5] = {
1855 "Optical", "Coaxial", "Internal", "XLR", "Analog"
1856 };
1857 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1858 const char *texts[5] = {
1859 _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
1860 };
1861 int num_items;
1862
1863 switch (rme96->pci->device) {
1864 case PCI_DEVICE_ID_RME_DIGI96:
1865 case PCI_DEVICE_ID_RME_DIGI96_8:
1866 num_items = 3;
1867 break;
1868 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1869 num_items = 4;
1870 break;
1871 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1872 if (rme96->rev > 4) {
1873 /* PST */
1874 num_items = 4;
1875 texts[3] = _texts[4]; /* Analog instead of XLR */
1876 } else {
1877 /* PAD */
1878 num_items = 5;
1879 }
1880 break;
1881 default:
1882 snd_BUG();
1883 return -EINVAL;
1884 }
1885 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
1886}
1887static int
1888snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1889{
1890 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1891 unsigned int items = 3;
1892
1893 spin_lock_irq(&rme96->lock);
1894 ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1895
1896 switch (rme96->pci->device) {
1897 case PCI_DEVICE_ID_RME_DIGI96:
1898 case PCI_DEVICE_ID_RME_DIGI96_8:
1899 items = 3;
1900 break;
1901 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1902 items = 4;
1903 break;
1904 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1905 if (rme96->rev > 4) {
1906 /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1907 if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1908 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1909 }
1910 items = 4;
1911 } else {
1912 items = 5;
1913 }
1914 break;
1915 default:
1916 snd_BUG();
1917 break;
1918 }
1919 if (ucontrol->value.enumerated.item[0] >= items) {
1920 ucontrol->value.enumerated.item[0] = items - 1;
1921 }
1922
1923 spin_unlock_irq(&rme96->lock);
1924 return 0;
1925}
1926static int
1927snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1928{
1929 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1930 unsigned int val;
1931 int change, items = 3;
1932
1933 switch (rme96->pci->device) {
1934 case PCI_DEVICE_ID_RME_DIGI96:
1935 case PCI_DEVICE_ID_RME_DIGI96_8:
1936 items = 3;
1937 break;
1938 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1939 items = 4;
1940 break;
1941 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1942 if (rme96->rev > 4) {
1943 items = 4;
1944 } else {
1945 items = 5;
1946 }
1947 break;
1948 default:
1949 snd_BUG();
1950 break;
1951 }
1952 val = ucontrol->value.enumerated.item[0] % items;
1953
1954 /* special case for PST */
1955 if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1956 if (val == RME96_INPUT_XLR) {
1957 val = RME96_INPUT_ANALOG;
1958 }
1959 }
1960
1961 spin_lock_irq(&rme96->lock);
1962 change = (int)val != snd_rme96_getinputtype(rme96);
1963 snd_rme96_setinputtype(rme96, val);
1964 spin_unlock_irq(&rme96->lock);
1965 return change;
1966}
1967
1968static int
1969snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1970{
1971 static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
1972
1973 return snd_ctl_enum_info(uinfo, 1, 3, texts);
1974}
1975static int
1976snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1977{
1978 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1979
1980 spin_lock_irq(&rme96->lock);
1981 ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1982 spin_unlock_irq(&rme96->lock);
1983 return 0;
1984}
1985static int
1986snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1987{
1988 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1989 unsigned int val;
1990 int change;
1991
1992 val = ucontrol->value.enumerated.item[0] % 3;
1993 spin_lock_irq(&rme96->lock);
1994 change = (int)val != snd_rme96_getclockmode(rme96);
1995 snd_rme96_setclockmode(rme96, val);
1996 spin_unlock_irq(&rme96->lock);
1997 return change;
1998}
1999
2000static int
2001snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2002{
2003 static const char * const texts[4] = {
2004 "0 dB", "-6 dB", "-12 dB", "-18 dB"
2005 };
2006
2007 return snd_ctl_enum_info(uinfo, 1, 4, texts);
2008}
2009static int
2010snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2011{
2012 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2013
2014 spin_lock_irq(&rme96->lock);
2015 ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2016 spin_unlock_irq(&rme96->lock);
2017 return 0;
2018}
2019static int
2020snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2021{
2022 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2023 unsigned int val;
2024 int change;
2025
2026 val = ucontrol->value.enumerated.item[0] % 4;
2027 spin_lock_irq(&rme96->lock);
2028
2029 change = (int)val != snd_rme96_getattenuation(rme96);
2030 snd_rme96_setattenuation(rme96, val);
2031 spin_unlock_irq(&rme96->lock);
2032 return change;
2033}
2034
2035static int
2036snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2037{
2038 static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2039
2040 return snd_ctl_enum_info(uinfo, 1, 4, texts);
2041}
2042static int
2043snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2044{
2045 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2046
2047 spin_lock_irq(&rme96->lock);
2048 ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2049 spin_unlock_irq(&rme96->lock);
2050 return 0;
2051}
2052static int
2053snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2054{
2055 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2056 unsigned int val;
2057 int change;
2058
2059 val = ucontrol->value.enumerated.item[0] % 4;
2060 spin_lock_irq(&rme96->lock);
2061 change = (int)val != snd_rme96_getmontracks(rme96);
2062 snd_rme96_setmontracks(rme96, val);
2063 spin_unlock_irq(&rme96->lock);
2064 return change;
2065}
2066
2067static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2068{
2069 u32 val = 0;
2070 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2071 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2072 if (val & RME96_WCR_PRO)
2073 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2074 else
2075 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2076 return val;
2077}
2078
2079static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2080{
2081 aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2082 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2083 if (val & RME96_WCR_PRO)
2084 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2085 else
2086 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2087}
2088
2089static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2090{
2091 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2092 uinfo->count = 1;
2093 return 0;
2094}
2095
2096static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2097{
2098 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2099
2100 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2101 return 0;
2102}
2103
2104static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2105{
2106 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2107 int change;
2108 u32 val;
2109
2110 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2111 spin_lock_irq(&rme96->lock);
2112 change = val != rme96->wcreg_spdif;
2113 rme96->wcreg_spdif = val;
2114 spin_unlock_irq(&rme96->lock);
2115 return change;
2116}
2117
2118static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2119{
2120 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2121 uinfo->count = 1;
2122 return 0;
2123}
2124
2125static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2126{
2127 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2128
2129 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2130 return 0;
2131}
2132
2133static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2134{
2135 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2136 int change;
2137 u32 val;
2138
2139 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2140 spin_lock_irq(&rme96->lock);
2141 change = val != rme96->wcreg_spdif_stream;
2142 rme96->wcreg_spdif_stream = val;
2143 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2144 rme96->wcreg |= val;
2145 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2146 spin_unlock_irq(&rme96->lock);
2147 return change;
2148}
2149
2150static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2151{
2152 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2153 uinfo->count = 1;
2154 return 0;
2155}
2156
2157static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2158{
2159 ucontrol->value.iec958.status[0] = kcontrol->private_value;
2160 return 0;
2161}
2162
2163static int
2164snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2165{
2166 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2167
2168 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2169 uinfo->count = 2;
2170 uinfo->value.integer.min = 0;
2171 uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2172 return 0;
2173}
2174
2175static int
2176snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2177{
2178 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2179
2180 spin_lock_irq(&rme96->lock);
2181 u->value.integer.value[0] = rme96->vol[0];
2182 u->value.integer.value[1] = rme96->vol[1];
2183 spin_unlock_irq(&rme96->lock);
2184
2185 return 0;
2186}
2187
2188static int
2189snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2190{
2191 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2192 int change = 0;
2193 unsigned int vol, maxvol;
2194
2195
2196 if (!RME96_HAS_ANALOG_OUT(rme96))
2197 return -EINVAL;
2198 maxvol = RME96_185X_MAX_OUT(rme96);
2199 spin_lock_irq(&rme96->lock);
2200 vol = u->value.integer.value[0];
2201 if (vol != rme96->vol[0] && vol <= maxvol) {
2202 rme96->vol[0] = vol;
2203 change = 1;
2204 }
2205 vol = u->value.integer.value[1];
2206 if (vol != rme96->vol[1] && vol <= maxvol) {
2207 rme96->vol[1] = vol;
2208 change = 1;
2209 }
2210 if (change)
2211 snd_rme96_apply_dac_volume(rme96);
2212 spin_unlock_irq(&rme96->lock);
2213
2214 return change;
2215}
2216
2217static const struct snd_kcontrol_new snd_rme96_controls[] = {
2218{
2219 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2220 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2221 .info = snd_rme96_control_spdif_info,
2222 .get = snd_rme96_control_spdif_get,
2223 .put = snd_rme96_control_spdif_put
2224},
2225{
2226 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2227 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2228 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2229 .info = snd_rme96_control_spdif_stream_info,
2230 .get = snd_rme96_control_spdif_stream_get,
2231 .put = snd_rme96_control_spdif_stream_put
2232},
2233{
2234 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2235 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2236 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2237 .info = snd_rme96_control_spdif_mask_info,
2238 .get = snd_rme96_control_spdif_mask_get,
2239 .private_value = IEC958_AES0_NONAUDIO |
2240 IEC958_AES0_PROFESSIONAL |
2241 IEC958_AES0_CON_EMPHASIS
2242},
2243{
2244 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2245 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2246 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2247 .info = snd_rme96_control_spdif_mask_info,
2248 .get = snd_rme96_control_spdif_mask_get,
2249 .private_value = IEC958_AES0_NONAUDIO |
2250 IEC958_AES0_PROFESSIONAL |
2251 IEC958_AES0_PRO_EMPHASIS
2252},
2253{
2254 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2255 .name = "Input Connector",
2256 .info = snd_rme96_info_inputtype_control,
2257 .get = snd_rme96_get_inputtype_control,
2258 .put = snd_rme96_put_inputtype_control
2259},
2260{
2261 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2262 .name = "Loopback Input",
2263 .info = snd_rme96_info_loopback_control,
2264 .get = snd_rme96_get_loopback_control,
2265 .put = snd_rme96_put_loopback_control
2266},
2267{
2268 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2269 .name = "Sample Clock Source",
2270 .info = snd_rme96_info_clockmode_control,
2271 .get = snd_rme96_get_clockmode_control,
2272 .put = snd_rme96_put_clockmode_control
2273},
2274{
2275 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2276 .name = "Monitor Tracks",
2277 .info = snd_rme96_info_montracks_control,
2278 .get = snd_rme96_get_montracks_control,
2279 .put = snd_rme96_put_montracks_control
2280},
2281{
2282 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2283 .name = "Attenuation",
2284 .info = snd_rme96_info_attenuation_control,
2285 .get = snd_rme96_get_attenuation_control,
2286 .put = snd_rme96_put_attenuation_control
2287},
2288{
2289 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2290 .name = "DAC Playback Volume",
2291 .info = snd_rme96_dac_volume_info,
2292 .get = snd_rme96_dac_volume_get,
2293 .put = snd_rme96_dac_volume_put
2294}
2295};
2296
2297static int
2298snd_rme96_create_switches(struct snd_card *card,
2299 struct rme96 *rme96)
2300{
2301 int idx, err;
2302 struct snd_kcontrol *kctl;
2303
2304 for (idx = 0; idx < 7; idx++) {
2305 kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96);
2306 err = snd_ctl_add(card, kctl);
2307 if (err < 0)
2308 return err;
2309 if (idx == 1) /* IEC958 (S/PDIF) Stream */
2310 rme96->spdif_ctl = kctl;
2311 }
2312
2313 if (RME96_HAS_ANALOG_OUT(rme96)) {
2314 for (idx = 7; idx < 10; idx++) {
2315 err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96));
2316 if (err < 0)
2317 return err;
2318 }
2319 }
2320
2321 return 0;
2322}
2323
2324/*
2325 * Card initialisation
2326 */
2327
2328static int rme96_suspend(struct device *dev)
2329{
2330 struct snd_card *card = dev_get_drvdata(dev);
2331 struct rme96 *rme96 = card->private_data;
2332
2333 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2334
2335 /* save capture & playback pointers */
2336 rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
2337 & RME96_RCR_AUDIO_ADDR_MASK;
2338 rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
2339 & RME96_RCR_AUDIO_ADDR_MASK;
2340
2341 /* save playback and capture buffers */
2342 memcpy_fromio(rme96->playback_suspend_buffer,
2343 rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
2344 memcpy_fromio(rme96->capture_suspend_buffer,
2345 rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
2346
2347 /* disable the DAC */
2348 rme96->areg &= ~RME96_AR_DAC_EN;
2349 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2350 return 0;
2351}
2352
2353static int rme96_resume(struct device *dev)
2354{
2355 struct snd_card *card = dev_get_drvdata(dev);
2356 struct rme96 *rme96 = card->private_data;
2357
2358 /* reset playback and record buffer pointers */
2359 writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
2360 + rme96->playback_pointer);
2361 writel(0, rme96->iobase + RME96_IO_SET_REC_POS
2362 + rme96->capture_pointer);
2363
2364 /* restore playback and capture buffers */
2365 memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
2366 rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
2367 memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
2368 rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
2369
2370 /* reset the ADC */
2371 writel(rme96->areg | RME96_AR_PD2,
2372 rme96->iobase + RME96_IO_ADDITIONAL_REG);
2373 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2374
2375 /* reset and enable DAC, restore analog volume */
2376 snd_rme96_reset_dac(rme96);
2377 rme96->areg |= RME96_AR_DAC_EN;
2378 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
2379 if (RME96_HAS_ANALOG_OUT(rme96)) {
2380 usleep_range(3000, 10000);
2381 snd_rme96_apply_dac_volume(rme96);
2382 }
2383
2384 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2385
2386 return 0;
2387}
2388
2389static DEFINE_SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
2390
2391static void snd_rme96_card_free(struct snd_card *card)
2392{
2393 snd_rme96_free(card->private_data);
2394}
2395
2396static int
2397__snd_rme96_probe(struct pci_dev *pci,
2398 const struct pci_device_id *pci_id)
2399{
2400 static int dev;
2401 struct rme96 *rme96;
2402 struct snd_card *card;
2403 int err;
2404 u8 val;
2405
2406 if (dev >= SNDRV_CARDS) {
2407 return -ENODEV;
2408 }
2409 if (!enable[dev]) {
2410 dev++;
2411 return -ENOENT;
2412 }
2413 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2414 sizeof(*rme96), &card);
2415 if (err < 0)
2416 return err;
2417 card->private_free = snd_rme96_card_free;
2418 rme96 = card->private_data;
2419 rme96->card = card;
2420 rme96->pci = pci;
2421 err = snd_rme96_create(rme96);
2422 if (err)
2423 return err;
2424
2425 if (IS_ENABLED(CONFIG_PM_SLEEP)) {
2426 rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2427 if (!rme96->playback_suspend_buffer)
2428 return -ENOMEM;
2429 rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
2430 if (!rme96->capture_suspend_buffer)
2431 return -ENOMEM;
2432 }
2433
2434 strcpy(card->driver, "Digi96");
2435 switch (rme96->pci->device) {
2436 case PCI_DEVICE_ID_RME_DIGI96:
2437 strcpy(card->shortname, "RME Digi96");
2438 break;
2439 case PCI_DEVICE_ID_RME_DIGI96_8:
2440 strcpy(card->shortname, "RME Digi96/8");
2441 break;
2442 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2443 strcpy(card->shortname, "RME Digi96/8 PRO");
2444 break;
2445 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2446 pci_read_config_byte(rme96->pci, 8, &val);
2447 if (val < 5) {
2448 strcpy(card->shortname, "RME Digi96/8 PAD");
2449 } else {
2450 strcpy(card->shortname, "RME Digi96/8 PST");
2451 }
2452 break;
2453 }
2454 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2455 rme96->port, rme96->irq);
2456 err = snd_card_register(card);
2457 if (err)
2458 return err;
2459
2460 pci_set_drvdata(pci, card);
2461 dev++;
2462 return 0;
2463}
2464
2465static int snd_rme96_probe(struct pci_dev *pci,
2466 const struct pci_device_id *pci_id)
2467{
2468 return snd_card_free_on_error(&pci->dev, __snd_rme96_probe(pci, pci_id));
2469}
2470
2471static struct pci_driver rme96_driver = {
2472 .name = KBUILD_MODNAME,
2473 .id_table = snd_rme96_ids,
2474 .probe = snd_rme96_probe,
2475 .driver = {
2476 .pm = &rme96_pm,
2477 },
2478};
2479
2480module_pci_driver(rme96_driver);