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Merge branch 'for-3.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
[linux/fpc-iii.git] / sound / pci / rme9652 / rme9652.c
blobfa9a2a8dce5a2d1eaf3ff7d4cf244a31c501d25c
1 /*
2 * ALSA driver for RME Digi9652 audio interfaces
3 *
4 * Copyright (c) 1999 IEM - Winfried Ritsch
5 * Copyright (c) 1999-2001 Paul Davis
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/module.h>
28
29 #include <sound/core.h>
30 #include <sound/control.h>
31 #include <sound/pcm.h>
32 #include <sound/info.h>
33 #include <sound/asoundef.h>
34 #include <sound/initval.h>
35
36 #include <asm/current.h>
37 #include <asm/io.h>
38
39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
41 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
42 static bool precise_ptr[SNDRV_CARDS]; /* Enable precise pointer */
43
44 module_param_array(index, int, NULL, 0444);
45 MODULE_PARM_DESC(index, "Index value for RME Digi9652 (Hammerfall) soundcard.");
46 module_param_array(id, charp, NULL, 0444);
47 MODULE_PARM_DESC(id, "ID string for RME Digi9652 (Hammerfall) soundcard.");
48 module_param_array(enable, bool, NULL, 0444);
49 MODULE_PARM_DESC(enable, "Enable/disable specific RME96{52,36} soundcards.");
50 module_param_array(precise_ptr, bool, NULL, 0444);
51 MODULE_PARM_DESC(precise_ptr, "Enable precise pointer (doesn't work reliably).");
52 MODULE_AUTHOR("Paul Davis <pbd@op.net>, Winfried Ritsch");
53 MODULE_DESCRIPTION("RME Digi9652/Digi9636");
54 MODULE_LICENSE("GPL");
55 MODULE_SUPPORTED_DEVICE("{{RME,Hammerfall},"
56 "{RME,Hammerfall-Light}}");
57
58 /* The Hammerfall has two sets of 24 ADAT + 2 S/PDIF channels, one for
59 capture, one for playback. Both the ADAT and S/PDIF channels appear
60 to the host CPU in the same block of memory. There is no functional
61 difference between them in terms of access.
62
63 The Hammerfall Light is identical to the Hammerfall, except that it
64 has 2 sets 18 channels (16 ADAT + 2 S/PDIF) for capture and playback.
65 */
66
67 #define RME9652_NCHANNELS 26
68 #define RME9636_NCHANNELS 18
69
70 /* Preferred sync source choices - used by "sync_pref" control switch */
71
72 #define RME9652_SYNC_FROM_SPDIF 0
73 #define RME9652_SYNC_FROM_ADAT1 1
74 #define RME9652_SYNC_FROM_ADAT2 2
75 #define RME9652_SYNC_FROM_ADAT3 3
76
77 /* Possible sources of S/PDIF input */
78
79 #define RME9652_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
80 #define RME9652_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
81 #define RME9652_SPDIFIN_INTERN 2 /* internal (CDROM) */
82
83 /* ------------- Status-Register bits --------------------- */
84
85 #define RME9652_IRQ (1<<0) /* IRQ is High if not reset by irq_clear */
86 #define RME9652_lock_2 (1<<1) /* ADAT 3-PLL: 1=locked, 0=unlocked */
87 #define RME9652_lock_1 (1<<2) /* ADAT 2-PLL: 1=locked, 0=unlocked */
88 #define RME9652_lock_0 (1<<3) /* ADAT 1-PLL: 1=locked, 0=unlocked */
89 #define RME9652_fs48 (1<<4) /* sample rate is 0=44.1/88.2,1=48/96 Khz */
90 #define RME9652_wsel_rd (1<<5) /* if Word-Clock is used and valid then 1 */
91 /* bits 6-15 encode h/w buffer pointer position */
92 #define RME9652_sync_2 (1<<16) /* if ADAT-IN 3 in sync to system clock */
93 #define RME9652_sync_1 (1<<17) /* if ADAT-IN 2 in sync to system clock */
94 #define RME9652_sync_0 (1<<18) /* if ADAT-IN 1 in sync to system clock */
95 #define RME9652_DS_rd (1<<19) /* 1=Double Speed Mode, 0=Normal Speed */
96 #define RME9652_tc_busy (1<<20) /* 1=time-code copy in progress (960ms) */
97 #define RME9652_tc_out (1<<21) /* time-code out bit */
98 #define RME9652_F_0 (1<<22) /* 000=64kHz, 100=88.2kHz, 011=96kHz */
99 #define RME9652_F_1 (1<<23) /* 111=32kHz, 110=44.1kHz, 101=48kHz, */
100 #define RME9652_F_2 (1<<24) /* external Crystal Chip if ERF=1 */
101 #define RME9652_ERF (1<<25) /* Error-Flag of SDPIF Receiver (1=No Lock) */
102 #define RME9652_buffer_id (1<<26) /* toggles by each interrupt on rec/play */
103 #define RME9652_tc_valid (1<<27) /* 1 = a signal is detected on time-code input */
104 #define RME9652_SPDIF_READ (1<<28) /* byte available from Rev 1.5+ S/PDIF interface */
105
106 #define RME9652_sync (RME9652_sync_0|RME9652_sync_1|RME9652_sync_2)
107 #define RME9652_lock (RME9652_lock_0|RME9652_lock_1|RME9652_lock_2)
108 #define RME9652_F (RME9652_F_0|RME9652_F_1|RME9652_F_2)
109 #define rme9652_decode_spdif_rate(x) ((x)>>22)
110
111 /* Bit 6..15 : h/w buffer pointer */
112
113 #define RME9652_buf_pos 0x000FFC0
114
115 /* Bits 31,30,29 are bits 5,4,3 of h/w pointer position on later
116 Rev G EEPROMS and Rev 1.5 cards or later.
117 */
118
119 #define RME9652_REV15_buf_pos(x) ((((x)&0xE0000000)>>26)|((x)&RME9652_buf_pos))
120
121 /* amount of io space we remap for register access. i'm not sure we
122 even need this much, but 1K is nice round number :)
123 */
124
125 #define RME9652_IO_EXTENT 1024
126
127 #define RME9652_init_buffer 0
128 #define RME9652_play_buffer 32 /* holds ptr to 26x64kBit host RAM */
129 #define RME9652_rec_buffer 36 /* holds ptr to 26x64kBit host RAM */
130 #define RME9652_control_register 64
131 #define RME9652_irq_clear 96
132 #define RME9652_time_code 100 /* useful if used with alesis adat */
133 #define RME9652_thru_base 128 /* 132...228 Thru for 26 channels */
134
135 /* Read-only registers */
136
137 /* Writing to any of the register locations writes to the status
138 register. We'll use the first location as our point of access.
139 */
140
141 #define RME9652_status_register 0
142
143 /* --------- Control-Register Bits ---------------- */
144
145
146 #define RME9652_start_bit (1<<0) /* start record/play */
147 /* bits 1-3 encode buffersize/latency */
148 #define RME9652_Master (1<<4) /* Clock Mode Master=1,Slave/Auto=0 */
149 #define RME9652_IE (1<<5) /* Interrupt Enable */
150 #define RME9652_freq (1<<6) /* samplerate 0=44.1/88.2, 1=48/96 kHz */
151 #define RME9652_freq1 (1<<7) /* if 0, 32kHz, else always 1 */
152 #define RME9652_DS (1<<8) /* Doule Speed 0=44.1/48, 1=88.2/96 Khz */
153 #define RME9652_PRO (1<<9) /* S/PDIF out: 0=consumer, 1=professional */
154 #define RME9652_EMP (1<<10) /* Emphasis 0=None, 1=ON */
155 #define RME9652_Dolby (1<<11) /* Non-audio bit 1=set, 0=unset */
156 #define RME9652_opt_out (1<<12) /* Use 1st optical OUT as SPDIF: 1=yes,0=no */
157 #define RME9652_wsel (1<<13) /* use Wordclock as sync (overwrites master) */
158 #define RME9652_inp_0 (1<<14) /* SPDIF-IN: 00=optical (ADAT1), */
159 #define RME9652_inp_1 (1<<15) /* 01=koaxial (Cinch), 10=Internal CDROM */
160 #define RME9652_SyncPref_ADAT2 (1<<16)
161 #define RME9652_SyncPref_ADAT3 (1<<17)
162 #define RME9652_SPDIF_RESET (1<<18) /* Rev 1.5+: h/w S/PDIF receiver */
163 #define RME9652_SPDIF_SELECT (1<<19)
164 #define RME9652_SPDIF_CLOCK (1<<20)
165 #define RME9652_SPDIF_WRITE (1<<21)
166 #define RME9652_ADAT1_INTERNAL (1<<22) /* Rev 1.5+: if set, internal CD connector carries ADAT */
167
168 /* buffersize = 512Bytes * 2^n, where n is made from Bit2 ... Bit0 */
169
170 #define RME9652_latency 0x0e
171 #define rme9652_encode_latency(x) (((x)&0x7)<<1)
172 #define rme9652_decode_latency(x) (((x)>>1)&0x7)
173 #define rme9652_running_double_speed(s) ((s)->control_register & RME9652_DS)
174 #define RME9652_inp (RME9652_inp_0|RME9652_inp_1)
175 #define rme9652_encode_spdif_in(x) (((x)&0x3)<<14)
176 #define rme9652_decode_spdif_in(x) (((x)>>14)&0x3)
177
178 #define RME9652_SyncPref_Mask (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
179 #define RME9652_SyncPref_ADAT1 0
180 #define RME9652_SyncPref_SPDIF (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
181
182 /* the size of a substream (1 mono data stream) */
183
184 #define RME9652_CHANNEL_BUFFER_SAMPLES (16*1024)
185 #define RME9652_CHANNEL_BUFFER_BYTES (4*RME9652_CHANNEL_BUFFER_SAMPLES)
186
187 /* the size of the area we need to allocate for DMA transfers. the
188 size is the same regardless of the number of channels - the
189 9636 still uses the same memory area.
190
191 Note that we allocate 1 more channel than is apparently needed
192 because the h/w seems to write 1 byte beyond the end of the last
193 page. Sigh.
194 */
195
196 #define RME9652_DMA_AREA_BYTES ((RME9652_NCHANNELS+1) * RME9652_CHANNEL_BUFFER_BYTES)
197 #define RME9652_DMA_AREA_KILOBYTES (RME9652_DMA_AREA_BYTES/1024)
198
199 struct snd_rme9652 {
200 int dev;
201
202 spinlock_t lock;
203 int irq;
204 unsigned long port;
205 void __iomem *iobase;
206
207 int precise_ptr;
208
209 u32 control_register; /* cached value */
210 u32 thru_bits; /* thru 1=on, 0=off channel 1=Bit1... channel 26= Bit26 */
211
212 u32 creg_spdif;
213 u32 creg_spdif_stream;
214
215 char *card_name; /* hammerfall or hammerfall light names */
216
217 size_t hw_offsetmask; /* &-with status register to get real hw_offset */
218 size_t prev_hw_offset; /* previous hw offset */
219 size_t max_jitter; /* maximum jitter in frames for
220 hw pointer */
221 size_t period_bytes; /* guess what this is */
222
223 unsigned char ds_channels;
224 unsigned char ss_channels; /* different for hammerfall/hammerfall-light */
225
226 struct snd_dma_buffer playback_dma_buf;
227 struct snd_dma_buffer capture_dma_buf;
228
229 unsigned char *capture_buffer; /* suitably aligned address */
230 unsigned char *playback_buffer; /* suitably aligned address */
231
232 pid_t capture_pid;
233 pid_t playback_pid;
234
235 struct snd_pcm_substream *capture_substream;
236 struct snd_pcm_substream *playback_substream;
237 int running;
238
239 int passthru; /* non-zero if doing pass-thru */
240 int hw_rev; /* h/w rev * 10 (i.e. 1.5 has hw_rev = 15) */
241
242 int last_spdif_sample_rate; /* so that we can catch externally ... */
243 int last_adat_sample_rate; /* ... induced rate changes */
244
245 char *channel_map;
246
247 struct snd_card *card;
248 struct snd_pcm *pcm;
249 struct pci_dev *pci;
250 struct snd_kcontrol *spdif_ctl;
251
252 };
253
254 /* These tables map the ALSA channels 1..N to the channels that we
255 need to use in order to find the relevant channel buffer. RME
256 refer to this kind of mapping as between "the ADAT channel and
257 the DMA channel." We index it using the logical audio channel,
258 and the value is the DMA channel (i.e. channel buffer number)
259 where the data for that channel can be read/written from/to.
260 */
261
262 static char channel_map_9652_ss[26] = {
263 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
264 18, 19, 20, 21, 22, 23, 24, 25
265 };
266
267 static char channel_map_9636_ss[26] = {
268 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
269 /* channels 16 and 17 are S/PDIF */
270 24, 25,
271 /* channels 18-25 don't exist */
272 -1, -1, -1, -1, -1, -1, -1, -1
273 };
274
275 static char channel_map_9652_ds[26] = {
276 /* ADAT channels are remapped */
277 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
278 /* channels 12 and 13 are S/PDIF */
279 24, 25,
280 /* others don't exist */
281 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
282 };
283
284 static char channel_map_9636_ds[26] = {
285 /* ADAT channels are remapped */
286 1, 3, 5, 7, 9, 11, 13, 15,
287 /* channels 8 and 9 are S/PDIF */
288 24, 25,
289 /* others don't exist */
290 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
291 };
292
293 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
294 {
295 dmab->dev.type = SNDRV_DMA_TYPE_DEV;
296 dmab->dev.dev = snd_dma_pci_data(pci);
297 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
298 size, dmab) < 0)
299 return -ENOMEM;
300 return 0;
301 }
302
303 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
304 {
305 if (dmab->area)
306 snd_dma_free_pages(dmab);
307 }
308
309
310 static const struct pci_device_id snd_rme9652_ids[] = {
311 {
312 .vendor = 0x10ee,
313 .device = 0x3fc4,
314 .subvendor = PCI_ANY_ID,
315 .subdevice = PCI_ANY_ID,
316 }, /* RME Digi9652 */
317 { 0, },
318 };
319
320 MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
321
322 static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
323 {
324 writel(val, rme9652->iobase + reg);
325 }
326
327 static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
328 {
329 return readl(rme9652->iobase + reg);
330 }
331
332 static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
333 {
334 unsigned long flags;
335 int ret = 1;
336
337 spin_lock_irqsave(&rme9652->lock, flags);
338 if ((rme9652->playback_pid != rme9652->capture_pid) &&
339 (rme9652->playback_pid >= 0) && (rme9652->capture_pid >= 0)) {
340 ret = 0;
341 }
342 spin_unlock_irqrestore(&rme9652->lock, flags);
343 return ret;
344 }
345
346 static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
347 {
348 if (rme9652_running_double_speed(rme9652)) {
349 return (rme9652_read(rme9652, RME9652_status_register) &
350 RME9652_fs48) ? 96000 : 88200;
351 } else {
352 return (rme9652_read(rme9652, RME9652_status_register) &
353 RME9652_fs48) ? 48000 : 44100;
354 }
355 }
356
357 static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
358 {
359 unsigned int i;
360
361 i = rme9652->control_register & RME9652_latency;
362 rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8));
363 rme9652->hw_offsetmask =
364 (rme9652->period_bytes * 2 - 1) & RME9652_buf_pos;
365 rme9652->max_jitter = 80;
366 }
367
368 static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
369 {
370 int status;
371 unsigned int offset, frag;
372 snd_pcm_uframes_t period_size = rme9652->period_bytes / 4;
373 snd_pcm_sframes_t delta;
374
375 status = rme9652_read(rme9652, RME9652_status_register);
376 if (!rme9652->precise_ptr)
377 return (status & RME9652_buffer_id) ? period_size : 0;
378 offset = status & RME9652_buf_pos;
379
380 /* The hardware may give a backward movement for up to 80 frames
381 Martin Kirst <martin.kirst@freenet.de> knows the details.
382 */
383
384 delta = rme9652->prev_hw_offset - offset;
385 delta &= 0xffff;
386 if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4)
387 offset = rme9652->prev_hw_offset;
388 else
389 rme9652->prev_hw_offset = offset;
390 offset &= rme9652->hw_offsetmask;
391 offset /= 4;
392 frag = status & RME9652_buffer_id;
393
394 if (offset < period_size) {
395 if (offset > rme9652->max_jitter) {
396 if (frag)
397 dev_err(rme9652->card->dev,
398 "Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n",
399 status, offset);
400 } else if (!frag)
401 return 0;
402 offset -= rme9652->max_jitter;
403 if ((int)offset < 0)
404 offset += period_size * 2;
405 } else {
406 if (offset > period_size + rme9652->max_jitter) {
407 if (!frag)
408 dev_err(rme9652->card->dev,
409 "Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n",
410 status, offset);
411 } else if (frag)
412 return period_size;
413 offset -= rme9652->max_jitter;
414 }
415
416 return offset;
417 }
418
419 static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
420 {
421 int i;
422
423 /* reset the FIFO pointer to zero. We do this by writing to 8
424 registers, each of which is a 32bit wide register, and set
425 them all to zero. Note that s->iobase is a pointer to
426 int32, not pointer to char.
427 */
428
429 for (i = 0; i < 8; i++) {
430 rme9652_write(rme9652, i * 4, 0);
431 udelay(10);
432 }
433 rme9652->prev_hw_offset = 0;
434 }
435
436 static inline void rme9652_start(struct snd_rme9652 *s)
437 {
438 s->control_register |= (RME9652_IE | RME9652_start_bit);
439 rme9652_write(s, RME9652_control_register, s->control_register);
440 }
441
442 static inline void rme9652_stop(struct snd_rme9652 *s)
443 {
444 s->control_register &= ~(RME9652_start_bit | RME9652_IE);
445 rme9652_write(s, RME9652_control_register, s->control_register);
446 }
447
448 static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
449 unsigned int frames)
450 {
451 int restart = 0;
452 int n;
453
454 spin_lock_irq(&s->lock);
455
456 if ((restart = s->running)) {
457 rme9652_stop(s);
458 }
459
460 frames >>= 7;
461 n = 0;
462 while (frames) {
463 n++;
464 frames >>= 1;
465 }
466
467 s->control_register &= ~RME9652_latency;
468 s->control_register |= rme9652_encode_latency(n);
469
470 rme9652_write(s, RME9652_control_register, s->control_register);
471
472 rme9652_compute_period_size(s);
473
474 if (restart)
475 rme9652_start(s);
476
477 spin_unlock_irq(&s->lock);
478
479 return 0;
480 }
481
482 static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
483 {
484 int restart;
485 int reject_if_open = 0;
486 int xrate;
487
488 if (!snd_rme9652_use_is_exclusive (rme9652)) {
489 return -EBUSY;
490 }
491
492 /* Changing from a "single speed" to a "double speed" rate is
493 not allowed if any substreams are open. This is because
494 such a change causes a shift in the location of
495 the DMA buffers and a reduction in the number of available
496 buffers.
497
498 Note that a similar but essentially insoluble problem
499 exists for externally-driven rate changes. All we can do
500 is to flag rate changes in the read/write routines.
501 */
502
503 spin_lock_irq(&rme9652->lock);
504 xrate = rme9652_adat_sample_rate(rme9652);
505
506 switch (rate) {
507 case 44100:
508 if (xrate > 48000) {
509 reject_if_open = 1;
510 }
511 rate = 0;
512 break;
513 case 48000:
514 if (xrate > 48000) {
515 reject_if_open = 1;
516 }
517 rate = RME9652_freq;
518 break;
519 case 88200:
520 if (xrate < 48000) {
521 reject_if_open = 1;
522 }
523 rate = RME9652_DS;
524 break;
525 case 96000:
526 if (xrate < 48000) {
527 reject_if_open = 1;
528 }
529 rate = RME9652_DS | RME9652_freq;
530 break;
531 default:
532 spin_unlock_irq(&rme9652->lock);
533 return -EINVAL;
534 }
535
536 if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0)) {
537 spin_unlock_irq(&rme9652->lock);
538 return -EBUSY;
539 }
540
541 if ((restart = rme9652->running)) {
542 rme9652_stop(rme9652);
543 }
544 rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
545 rme9652->control_register |= rate;
546 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
547
548 if (restart) {
549 rme9652_start(rme9652);
550 }
551
552 if (rate & RME9652_DS) {
553 if (rme9652->ss_channels == RME9652_NCHANNELS) {
554 rme9652->channel_map = channel_map_9652_ds;
555 } else {
556 rme9652->channel_map = channel_map_9636_ds;
557 }
558 } else {
559 if (rme9652->ss_channels == RME9652_NCHANNELS) {
560 rme9652->channel_map = channel_map_9652_ss;
561 } else {
562 rme9652->channel_map = channel_map_9636_ss;
563 }
564 }
565
566 spin_unlock_irq(&rme9652->lock);
567 return 0;
568 }
569
570 static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
571 {
572 int i;
573
574 rme9652->passthru = 0;
575
576 if (channel < 0) {
577
578 /* set thru for all channels */
579
580 if (enable) {
581 for (i = 0; i < RME9652_NCHANNELS; i++) {
582 rme9652->thru_bits |= (1 << i);
583 rme9652_write(rme9652, RME9652_thru_base + i * 4, 1);
584 }
585 } else {
586 for (i = 0; i < RME9652_NCHANNELS; i++) {
587 rme9652->thru_bits &= ~(1 << i);
588 rme9652_write(rme9652, RME9652_thru_base + i * 4, 0);
589 }
590 }
591
592 } else {
593 int mapped_channel;
594
595 mapped_channel = rme9652->channel_map[channel];
596
597 if (enable) {
598 rme9652->thru_bits |= (1 << mapped_channel);
599 } else {
600 rme9652->thru_bits &= ~(1 << mapped_channel);
601 }
602
603 rme9652_write(rme9652,
604 RME9652_thru_base + mapped_channel * 4,
605 enable ? 1 : 0);
606 }
607 }
608
609 static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
610 {
611 if (onoff) {
612 rme9652_set_thru(rme9652, -1, 1);
613
614 /* we don't want interrupts, so do a
615 custom version of rme9652_start().
616 */
617
618 rme9652->control_register =
619 RME9652_inp_0 |
620 rme9652_encode_latency(7) |
621 RME9652_start_bit;
622
623 rme9652_reset_hw_pointer(rme9652);
624
625 rme9652_write(rme9652, RME9652_control_register,
626 rme9652->control_register);
627 rme9652->passthru = 1;
628 } else {
629 rme9652_set_thru(rme9652, -1, 0);
630 rme9652_stop(rme9652);
631 rme9652->passthru = 0;
632 }
633
634 return 0;
635 }
636
637 static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
638 {
639 if (onoff)
640 rme9652->control_register |= mask;
641 else
642 rme9652->control_register &= ~mask;
643
644 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
645 }
646
647 static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
648 {
649 long mask;
650 long i;
651
652 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
653 if (val & mask)
654 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1);
655 else
656 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0);
657
658 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
659 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
660 }
661 }
662
663 static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
664 {
665 long mask;
666 long val;
667 long i;
668
669 val = 0;
670
671 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
672 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
673 if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
674 val |= mask;
675 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
676 }
677
678 return val;
679 }
680
681 static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
682 {
683 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
684 rme9652_spdif_write_byte (rme9652, 0x20);
685 rme9652_spdif_write_byte (rme9652, address);
686 rme9652_spdif_write_byte (rme9652, data);
687 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
688 }
689
690
691 static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
692 {
693 int ret;
694
695 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
696 rme9652_spdif_write_byte (rme9652, 0x20);
697 rme9652_spdif_write_byte (rme9652, address);
698 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
699 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
700
701 rme9652_spdif_write_byte (rme9652, 0x21);
702 ret = rme9652_spdif_read_byte (rme9652);
703 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
704
705 return ret;
706 }
707
708 static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
709 {
710 /* XXX what unsets this ? */
711
712 rme9652->control_register |= RME9652_SPDIF_RESET;
713
714 rme9652_write_spdif_codec (rme9652, 4, 0x40);
715 rme9652_write_spdif_codec (rme9652, 17, 0x13);
716 rme9652_write_spdif_codec (rme9652, 6, 0x02);
717 }
718
719 static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
720 {
721 unsigned int rate_bits;
722
723 if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
724 return -1; /* error condition */
725 }
726
727 if (s->hw_rev == 15) {
728
729 int x, y, ret;
730
731 x = rme9652_spdif_read_codec (s, 30);
732
733 if (x != 0)
734 y = 48000 * 64 / x;
735 else
736 y = 0;
737
738 if (y > 30400 && y < 33600) ret = 32000;
739 else if (y > 41900 && y < 46000) ret = 44100;
740 else if (y > 46000 && y < 50400) ret = 48000;
741 else if (y > 60800 && y < 67200) ret = 64000;
742 else if (y > 83700 && y < 92000) ret = 88200;
743 else if (y > 92000 && y < 100000) ret = 96000;
744 else ret = 0;
745 return ret;
746 }
747
748 rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
749
750 switch (rme9652_decode_spdif_rate(rate_bits)) {
751 case 0x7:
752 return 32000;
753 break;
754
755 case 0x6:
756 return 44100;
757 break;
758
759 case 0x5:
760 return 48000;
761 break;
762
763 case 0x4:
764 return 88200;
765 break;
766
767 case 0x3:
768 return 96000;
769 break;
770
771 case 0x0:
772 return 64000;
773 break;
774
775 default:
776 dev_err(s->card->dev,
777 "%s: unknown S/PDIF input rate (bits = 0x%x)\n",
778 s->card_name, rate_bits);
779 return 0;
780 break;
781 }
782 }
783
784 /*-----------------------------------------------------------------------------
785 Control Interface
786 ----------------------------------------------------------------------------*/
787
788 static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
789 {
790 u32 val = 0;
791 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0;
792 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0;
793 if (val & RME9652_PRO)
794 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0;
795 else
796 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0;
797 return val;
798 }
799
800 static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
801 {
802 aes->status[0] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
803 ((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0);
804 if (val & RME9652_PRO)
805 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
806 else
807 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
808 }
809
810 static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
811 {
812 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
813 uinfo->count = 1;
814 return 0;
815 }
816
817 static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
818 {
819 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
820
821 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
822 return 0;
823 }
824
825 static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
826 {
827 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
828 int change;
829 u32 val;
830
831 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
832 spin_lock_irq(&rme9652->lock);
833 change = val != rme9652->creg_spdif;
834 rme9652->creg_spdif = val;
835 spin_unlock_irq(&rme9652->lock);
836 return change;
837 }
838
839 static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
840 {
841 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
842 uinfo->count = 1;
843 return 0;
844 }
845
846 static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
847 {
848 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
849
850 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
851 return 0;
852 }
853
854 static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
855 {
856 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
857 int change;
858 u32 val;
859
860 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
861 spin_lock_irq(&rme9652->lock);
862 change = val != rme9652->creg_spdif_stream;
863 rme9652->creg_spdif_stream = val;
864 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
865 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
866 spin_unlock_irq(&rme9652->lock);
867 return change;
868 }
869
870 static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
871 {
872 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
873 uinfo->count = 1;
874 return 0;
875 }
876
877 static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
878 {
879 ucontrol->value.iec958.status[0] = kcontrol->private_value;
880 return 0;
881 }
882
883 #define RME9652_ADAT1_IN(xname, xindex) \
884 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
885 .info = snd_rme9652_info_adat1_in, \
886 .get = snd_rme9652_get_adat1_in, \
887 .put = snd_rme9652_put_adat1_in }
888
889 static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
890 {
891 if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
892 return 1;
893 return 0;
894 }
895
896 static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
897 {
898 int restart = 0;
899
900 if (internal) {
901 rme9652->control_register |= RME9652_ADAT1_INTERNAL;
902 } else {
903 rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
904 }
905
906 /* XXX do we actually need to stop the card when we do this ? */
907
908 if ((restart = rme9652->running)) {
909 rme9652_stop(rme9652);
910 }
911
912 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
913
914 if (restart) {
915 rme9652_start(rme9652);
916 }
917
918 return 0;
919 }
920
921 static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
922 {
923 static char *texts[2] = {"ADAT1", "Internal"};
924
925 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
926 uinfo->count = 1;
927 uinfo->value.enumerated.items = 2;
928 if (uinfo->value.enumerated.item > 1)
929 uinfo->value.enumerated.item = 1;
930 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
931 return 0;
932 }
933
934 static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
935 {
936 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
937
938 spin_lock_irq(&rme9652->lock);
939 ucontrol->value.enumerated.item[0] = rme9652_adat1_in(rme9652);
940 spin_unlock_irq(&rme9652->lock);
941 return 0;
942 }
943
944 static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
945 {
946 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
947 int change;
948 unsigned int val;
949
950 if (!snd_rme9652_use_is_exclusive(rme9652))
951 return -EBUSY;
952 val = ucontrol->value.enumerated.item[0] % 2;
953 spin_lock_irq(&rme9652->lock);
954 change = val != rme9652_adat1_in(rme9652);
955 if (change)
956 rme9652_set_adat1_input(rme9652, val);
957 spin_unlock_irq(&rme9652->lock);
958 return change;
959 }
960
961 #define RME9652_SPDIF_IN(xname, xindex) \
962 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
963 .info = snd_rme9652_info_spdif_in, \
964 .get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
965
966 static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
967 {
968 return rme9652_decode_spdif_in(rme9652->control_register &
969 RME9652_inp);
970 }
971
972 static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
973 {
974 int restart = 0;
975
976 rme9652->control_register &= ~RME9652_inp;
977 rme9652->control_register |= rme9652_encode_spdif_in(in);
978
979 if ((restart = rme9652->running)) {
980 rme9652_stop(rme9652);
981 }
982
983 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
984
985 if (restart) {
986 rme9652_start(rme9652);
987 }
988
989 return 0;
990 }
991
992 static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
993 {
994 static char *texts[3] = {"ADAT1", "Coaxial", "Internal"};
995
996 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
997 uinfo->count = 1;
998 uinfo->value.enumerated.items = 3;
999 if (uinfo->value.enumerated.item > 2)
1000 uinfo->value.enumerated.item = 2;
1001 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1002 return 0;
1003 }
1004
1005 static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1006 {
1007 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1008
1009 spin_lock_irq(&rme9652->lock);
1010 ucontrol->value.enumerated.item[0] = rme9652_spdif_in(rme9652);
1011 spin_unlock_irq(&rme9652->lock);
1012 return 0;
1013 }
1014
1015 static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1016 {
1017 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1018 int change;
1019 unsigned int val;
1020
1021 if (!snd_rme9652_use_is_exclusive(rme9652))
1022 return -EBUSY;
1023 val = ucontrol->value.enumerated.item[0] % 3;
1024 spin_lock_irq(&rme9652->lock);
1025 change = val != rme9652_spdif_in(rme9652);
1026 if (change)
1027 rme9652_set_spdif_input(rme9652, val);
1028 spin_unlock_irq(&rme9652->lock);
1029 return change;
1030 }
1031
1032 #define RME9652_SPDIF_OUT(xname, xindex) \
1033 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1034 .info = snd_rme9652_info_spdif_out, \
1035 .get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
1036
1037 static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
1038 {
1039 return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
1040 }
1041
1042 static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
1043 {
1044 int restart = 0;
1045
1046 if (out) {
1047 rme9652->control_register |= RME9652_opt_out;
1048 } else {
1049 rme9652->control_register &= ~RME9652_opt_out;
1050 }
1051
1052 if ((restart = rme9652->running)) {
1053 rme9652_stop(rme9652);
1054 }
1055
1056 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1057
1058 if (restart) {
1059 rme9652_start(rme9652);
1060 }
1061
1062 return 0;
1063 }
1064
1065 #define snd_rme9652_info_spdif_out snd_ctl_boolean_mono_info
1066
1067 static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1068 {
1069 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1070
1071 spin_lock_irq(&rme9652->lock);
1072 ucontrol->value.integer.value[0] = rme9652_spdif_out(rme9652);
1073 spin_unlock_irq(&rme9652->lock);
1074 return 0;
1075 }
1076
1077 static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1078 {
1079 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1080 int change;
1081 unsigned int val;
1082
1083 if (!snd_rme9652_use_is_exclusive(rme9652))
1084 return -EBUSY;
1085 val = ucontrol->value.integer.value[0] & 1;
1086 spin_lock_irq(&rme9652->lock);
1087 change = (int)val != rme9652_spdif_out(rme9652);
1088 rme9652_set_spdif_output(rme9652, val);
1089 spin_unlock_irq(&rme9652->lock);
1090 return change;
1091 }
1092
1093 #define RME9652_SYNC_MODE(xname, xindex) \
1094 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1095 .info = snd_rme9652_info_sync_mode, \
1096 .get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
1097
1098 static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
1099 {
1100 if (rme9652->control_register & RME9652_wsel) {
1101 return 2;
1102 } else if (rme9652->control_register & RME9652_Master) {
1103 return 1;
1104 } else {
1105 return 0;
1106 }
1107 }
1108
1109 static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
1110 {
1111 int restart = 0;
1112
1113 switch (mode) {
1114 case 0:
1115 rme9652->control_register &=
1116 ~(RME9652_Master | RME9652_wsel);
1117 break;
1118 case 1:
1119 rme9652->control_register =
1120 (rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
1121 break;
1122 case 2:
1123 rme9652->control_register |=
1124 (RME9652_Master | RME9652_wsel);
1125 break;
1126 }
1127
1128 if ((restart = rme9652->running)) {
1129 rme9652_stop(rme9652);
1130 }
1131
1132 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1133
1134 if (restart) {
1135 rme9652_start(rme9652);
1136 }
1137
1138 return 0;
1139 }
1140
1141 static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1142 {
1143 static char *texts[3] = {"AutoSync", "Master", "Word Clock"};
1144
1145 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1146 uinfo->count = 1;
1147 uinfo->value.enumerated.items = 3;
1148 if (uinfo->value.enumerated.item > 2)
1149 uinfo->value.enumerated.item = 2;
1150 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1151 return 0;
1152 }
1153
1154 static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1155 {
1156 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1157
1158 spin_lock_irq(&rme9652->lock);
1159 ucontrol->value.enumerated.item[0] = rme9652_sync_mode(rme9652);
1160 spin_unlock_irq(&rme9652->lock);
1161 return 0;
1162 }
1163
1164 static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1165 {
1166 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1167 int change;
1168 unsigned int val;
1169
1170 val = ucontrol->value.enumerated.item[0] % 3;
1171 spin_lock_irq(&rme9652->lock);
1172 change = (int)val != rme9652_sync_mode(rme9652);
1173 rme9652_set_sync_mode(rme9652, val);
1174 spin_unlock_irq(&rme9652->lock);
1175 return change;
1176 }
1177
1178 #define RME9652_SYNC_PREF(xname, xindex) \
1179 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1180 .info = snd_rme9652_info_sync_pref, \
1181 .get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
1182
1183 static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
1184 {
1185 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1186 case RME9652_SyncPref_ADAT1:
1187 return RME9652_SYNC_FROM_ADAT1;
1188 case RME9652_SyncPref_ADAT2:
1189 return RME9652_SYNC_FROM_ADAT2;
1190 case RME9652_SyncPref_ADAT3:
1191 return RME9652_SYNC_FROM_ADAT3;
1192 case RME9652_SyncPref_SPDIF:
1193 return RME9652_SYNC_FROM_SPDIF;
1194 }
1195 /* Not reachable */
1196 return 0;
1197 }
1198
1199 static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
1200 {
1201 int restart;
1202
1203 rme9652->control_register &= ~RME9652_SyncPref_Mask;
1204 switch (pref) {
1205 case RME9652_SYNC_FROM_ADAT1:
1206 rme9652->control_register |= RME9652_SyncPref_ADAT1;
1207 break;
1208 case RME9652_SYNC_FROM_ADAT2:
1209 rme9652->control_register |= RME9652_SyncPref_ADAT2;
1210 break;
1211 case RME9652_SYNC_FROM_ADAT3:
1212 rme9652->control_register |= RME9652_SyncPref_ADAT3;
1213 break;
1214 case RME9652_SYNC_FROM_SPDIF:
1215 rme9652->control_register |= RME9652_SyncPref_SPDIF;
1216 break;
1217 }
1218
1219 if ((restart = rme9652->running)) {
1220 rme9652_stop(rme9652);
1221 }
1222
1223 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1224
1225 if (restart) {
1226 rme9652_start(rme9652);
1227 }
1228
1229 return 0;
1230 }
1231
1232 static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1233 {
1234 static char *texts[4] = {"IEC958 In", "ADAT1 In", "ADAT2 In", "ADAT3 In"};
1235 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1236
1237 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1238 uinfo->count = 1;
1239 uinfo->value.enumerated.items = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1240 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1241 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1242 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1243 return 0;
1244 }
1245
1246 static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1247 {
1248 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1249
1250 spin_lock_irq(&rme9652->lock);
1251 ucontrol->value.enumerated.item[0] = rme9652_sync_pref(rme9652);
1252 spin_unlock_irq(&rme9652->lock);
1253 return 0;
1254 }
1255
1256 static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1257 {
1258 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1259 int change, max;
1260 unsigned int val;
1261
1262 if (!snd_rme9652_use_is_exclusive(rme9652))
1263 return -EBUSY;
1264 max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1265 val = ucontrol->value.enumerated.item[0] % max;
1266 spin_lock_irq(&rme9652->lock);
1267 change = (int)val != rme9652_sync_pref(rme9652);
1268 rme9652_set_sync_pref(rme9652, val);
1269 spin_unlock_irq(&rme9652->lock);
1270 return change;
1271 }
1272
1273 static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1274 {
1275 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1276 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1277 uinfo->count = rme9652->ss_channels;
1278 uinfo->value.integer.min = 0;
1279 uinfo->value.integer.max = 1;
1280 return 0;
1281 }
1282
1283 static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1284 {
1285 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1286 unsigned int k;
1287 u32 thru_bits = rme9652->thru_bits;
1288
1289 for (k = 0; k < rme9652->ss_channels; ++k) {
1290 ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
1291 }
1292 return 0;
1293 }
1294
1295 static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1296 {
1297 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1298 int change;
1299 unsigned int chn;
1300 u32 thru_bits = 0;
1301
1302 if (!snd_rme9652_use_is_exclusive(rme9652))
1303 return -EBUSY;
1304
1305 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1306 if (ucontrol->value.integer.value[chn])
1307 thru_bits |= 1 << chn;
1308 }
1309
1310 spin_lock_irq(&rme9652->lock);
1311 change = thru_bits ^ rme9652->thru_bits;
1312 if (change) {
1313 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1314 if (!(change & (1 << chn)))
1315 continue;
1316 rme9652_set_thru(rme9652,chn,thru_bits&(1<<chn));
1317 }
1318 }
1319 spin_unlock_irq(&rme9652->lock);
1320 return !!change;
1321 }
1322
1323 #define RME9652_PASSTHRU(xname, xindex) \
1324 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1325 .info = snd_rme9652_info_passthru, \
1326 .put = snd_rme9652_put_passthru, \
1327 .get = snd_rme9652_get_passthru }
1328
1329 #define snd_rme9652_info_passthru snd_ctl_boolean_mono_info
1330
1331 static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1332 {
1333 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1334
1335 spin_lock_irq(&rme9652->lock);
1336 ucontrol->value.integer.value[0] = rme9652->passthru;
1337 spin_unlock_irq(&rme9652->lock);
1338 return 0;
1339 }
1340
1341 static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1342 {
1343 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1344 int change;
1345 unsigned int val;
1346 int err = 0;
1347
1348 if (!snd_rme9652_use_is_exclusive(rme9652))
1349 return -EBUSY;
1350
1351 val = ucontrol->value.integer.value[0] & 1;
1352 spin_lock_irq(&rme9652->lock);
1353 change = (ucontrol->value.integer.value[0] != rme9652->passthru);
1354 if (change)
1355 err = rme9652_set_passthru(rme9652, val);
1356 spin_unlock_irq(&rme9652->lock);
1357 return err ? err : change;
1358 }
1359
1360 /* Read-only switches */
1361
1362 #define RME9652_SPDIF_RATE(xname, xindex) \
1363 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1364 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1365 .info = snd_rme9652_info_spdif_rate, \
1366 .get = snd_rme9652_get_spdif_rate }
1367
1368 static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1369 {
1370 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1371 uinfo->count = 1;
1372 uinfo->value.integer.min = 0;
1373 uinfo->value.integer.max = 96000;
1374 return 0;
1375 }
1376
1377 static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1378 {
1379 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1380
1381 spin_lock_irq(&rme9652->lock);
1382 ucontrol->value.integer.value[0] = rme9652_spdif_sample_rate(rme9652);
1383 spin_unlock_irq(&rme9652->lock);
1384 return 0;
1385 }
1386
1387 #define RME9652_ADAT_SYNC(xname, xindex, xidx) \
1388 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1389 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1390 .info = snd_rme9652_info_adat_sync, \
1391 .get = snd_rme9652_get_adat_sync, .private_value = xidx }
1392
1393 static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1394 {
1395 static char *texts[4] = {"No Lock", "Lock", "No Lock Sync", "Lock Sync"};
1396
1397 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1398 uinfo->count = 1;
1399 uinfo->value.enumerated.items = 4;
1400 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1401 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1402 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1403 return 0;
1404 }
1405
1406 static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1407 {
1408 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1409 unsigned int mask1, mask2, val;
1410
1411 switch (kcontrol->private_value) {
1412 case 0: mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break;
1413 case 1: mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break;
1414 case 2: mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break;
1415 default: return -EINVAL;
1416 }
1417 val = rme9652_read(rme9652, RME9652_status_register);
1418 ucontrol->value.enumerated.item[0] = (val & mask1) ? 1 : 0;
1419 ucontrol->value.enumerated.item[0] |= (val & mask2) ? 2 : 0;
1420 return 0;
1421 }
1422
1423 #define RME9652_TC_VALID(xname, xindex) \
1424 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1425 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1426 .info = snd_rme9652_info_tc_valid, \
1427 .get = snd_rme9652_get_tc_valid }
1428
1429 #define snd_rme9652_info_tc_valid snd_ctl_boolean_mono_info
1430
1431 static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1432 {
1433 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1434
1435 ucontrol->value.integer.value[0] =
1436 (rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0;
1437 return 0;
1438 }
1439
1440 #ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
1441
1442 /* FIXME: this routine needs a port to the new control API --jk */
1443
1444 static int snd_rme9652_get_tc_value(void *private_data,
1445 snd_kswitch_t *kswitch,
1446 snd_switch_t *uswitch)
1447 {
1448 struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
1449 u32 value;
1450 int i;
1451
1452 uswitch->type = SNDRV_SW_TYPE_DWORD;
1453
1454 if ((rme9652_read(s, RME9652_status_register) &
1455 RME9652_tc_valid) == 0) {
1456 uswitch->value.data32[0] = 0;
1457 return 0;
1458 }
1459
1460 /* timecode request */
1461
1462 rme9652_write(s, RME9652_time_code, 0);
1463
1464 /* XXX bug alert: loop-based timing !!!! */
1465
1466 for (i = 0; i < 50; i++) {
1467 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy))
1468 break;
1469 }
1470
1471 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy)) {
1472 return -EIO;
1473 }
1474
1475 value = 0;
1476
1477 for (i = 0; i < 32; i++) {
1478 value >>= 1;
1479
1480 if (rme9652_read(s, i * 4) & RME9652_tc_out)
1481 value |= 0x80000000;
1482 }
1483
1484 if (value > 2 * 60 * 48000) {
1485 value -= 2 * 60 * 48000;
1486 } else {
1487 value = 0;
1488 }
1489
1490 uswitch->value.data32[0] = value;
1491
1492 return 0;
1493 }
1494
1495 #endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
1496
1497 static struct snd_kcontrol_new snd_rme9652_controls[] = {
1498 {
1499 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1500 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1501 .info = snd_rme9652_control_spdif_info,
1502 .get = snd_rme9652_control_spdif_get,
1503 .put = snd_rme9652_control_spdif_put,
1504 },
1505 {
1506 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1507 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1508 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1509 .info = snd_rme9652_control_spdif_stream_info,
1510 .get = snd_rme9652_control_spdif_stream_get,
1511 .put = snd_rme9652_control_spdif_stream_put,
1512 },
1513 {
1514 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1515 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1516 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1517 .info = snd_rme9652_control_spdif_mask_info,
1518 .get = snd_rme9652_control_spdif_mask_get,
1519 .private_value = IEC958_AES0_NONAUDIO |
1520 IEC958_AES0_PROFESSIONAL |
1521 IEC958_AES0_CON_EMPHASIS,
1522 },
1523 {
1524 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1525 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1526 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1527 .info = snd_rme9652_control_spdif_mask_info,
1528 .get = snd_rme9652_control_spdif_mask_get,
1529 .private_value = IEC958_AES0_NONAUDIO |
1530 IEC958_AES0_PROFESSIONAL |
1531 IEC958_AES0_PRO_EMPHASIS,
1532 },
1533 RME9652_SPDIF_IN("IEC958 Input Connector", 0),
1534 RME9652_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
1535 RME9652_SYNC_MODE("Sync Mode", 0),
1536 RME9652_SYNC_PREF("Preferred Sync Source", 0),
1537 {
1538 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1539 .name = "Channels Thru",
1540 .index = 0,
1541 .info = snd_rme9652_info_thru,
1542 .get = snd_rme9652_get_thru,
1543 .put = snd_rme9652_put_thru,
1544 },
1545 RME9652_SPDIF_RATE("IEC958 Sample Rate", 0),
1546 RME9652_ADAT_SYNC("ADAT1 Sync Check", 0, 0),
1547 RME9652_ADAT_SYNC("ADAT2 Sync Check", 0, 1),
1548 RME9652_TC_VALID("Timecode Valid", 0),
1549 RME9652_PASSTHRU("Passthru", 0)
1550 };
1551
1552 static struct snd_kcontrol_new snd_rme9652_adat3_check =
1553 RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
1554
1555 static struct snd_kcontrol_new snd_rme9652_adat1_input =
1556 RME9652_ADAT1_IN("ADAT1 Input Source", 0);
1557
1558 static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
1559 {
1560 unsigned int idx;
1561 int err;
1562 struct snd_kcontrol *kctl;
1563
1564 for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
1565 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0)
1566 return err;
1567 if (idx == 1) /* IEC958 (S/PDIF) Stream */
1568 rme9652->spdif_ctl = kctl;
1569 }
1570
1571 if (rme9652->ss_channels == RME9652_NCHANNELS)
1572 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0)
1573 return err;
1574
1575 if (rme9652->hw_rev >= 15)
1576 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0)
1577 return err;
1578
1579 return 0;
1580 }
1581
1582 /*------------------------------------------------------------
1583 /proc interface
1584 ------------------------------------------------------------*/
1585
1586 static void
1587 snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1588 {
1589 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
1590 u32 thru_bits = rme9652->thru_bits;
1591 int show_auto_sync_source = 0;
1592 int i;
1593 unsigned int status;
1594 int x;
1595
1596 status = rme9652_read(rme9652, RME9652_status_register);
1597
1598 snd_iprintf(buffer, "%s (Card #%d)\n", rme9652->card_name, rme9652->card->number + 1);
1599 snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
1600 rme9652->capture_buffer, rme9652->playback_buffer);
1601 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
1602 rme9652->irq, rme9652->port, (unsigned long)rme9652->iobase);
1603 snd_iprintf(buffer, "Control register: %x\n", rme9652->control_register);
1604
1605 snd_iprintf(buffer, "\n");
1606
1607 x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
1608 RME9652_latency));
1609
1610 snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n",
1611 x, (unsigned long) rme9652->period_bytes);
1612 snd_iprintf(buffer, "Hardware pointer (frames): %ld\n",
1613 rme9652_hw_pointer(rme9652));
1614 snd_iprintf(buffer, "Passthru: %s\n",
1615 rme9652->passthru ? "yes" : "no");
1616
1617 if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0) {
1618 snd_iprintf(buffer, "Clock mode: autosync\n");
1619 show_auto_sync_source = 1;
1620 } else if (rme9652->control_register & RME9652_wsel) {
1621 if (status & RME9652_wsel_rd) {
1622 snd_iprintf(buffer, "Clock mode: word clock\n");
1623 } else {
1624 snd_iprintf(buffer, "Clock mode: word clock (no signal)\n");
1625 }
1626 } else {
1627 snd_iprintf(buffer, "Clock mode: master\n");
1628 }
1629
1630 if (show_auto_sync_source) {
1631 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1632 case RME9652_SyncPref_ADAT1:
1633 snd_iprintf(buffer, "Pref. sync source: ADAT1\n");
1634 break;
1635 case RME9652_SyncPref_ADAT2:
1636 snd_iprintf(buffer, "Pref. sync source: ADAT2\n");
1637 break;
1638 case RME9652_SyncPref_ADAT3:
1639 snd_iprintf(buffer, "Pref. sync source: ADAT3\n");
1640 break;
1641 case RME9652_SyncPref_SPDIF:
1642 snd_iprintf(buffer, "Pref. sync source: IEC958\n");
1643 break;
1644 default:
1645 snd_iprintf(buffer, "Pref. sync source: ???\n");
1646 }
1647 }
1648
1649 if (rme9652->hw_rev >= 15)
1650 snd_iprintf(buffer, "\nADAT1 Input source: %s\n",
1651 (rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
1652 "Internal" : "ADAT1 optical");
1653
1654 snd_iprintf(buffer, "\n");
1655
1656 switch (rme9652_decode_spdif_in(rme9652->control_register &
1657 RME9652_inp)) {
1658 case RME9652_SPDIFIN_OPTICAL:
1659 snd_iprintf(buffer, "IEC958 input: ADAT1\n");
1660 break;
1661 case RME9652_SPDIFIN_COAXIAL:
1662 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
1663 break;
1664 case RME9652_SPDIFIN_INTERN:
1665 snd_iprintf(buffer, "IEC958 input: Internal\n");
1666 break;
1667 default:
1668 snd_iprintf(buffer, "IEC958 input: ???\n");
1669 break;
1670 }
1671
1672 if (rme9652->control_register & RME9652_opt_out) {
1673 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
1674 } else {
1675 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
1676 }
1677
1678 if (rme9652->control_register & RME9652_PRO) {
1679 snd_iprintf(buffer, "IEC958 quality: Professional\n");
1680 } else {
1681 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
1682 }
1683
1684 if (rme9652->control_register & RME9652_EMP) {
1685 snd_iprintf(buffer, "IEC958 emphasis: on\n");
1686 } else {
1687 snd_iprintf(buffer, "IEC958 emphasis: off\n");
1688 }
1689
1690 if (rme9652->control_register & RME9652_Dolby) {
1691 snd_iprintf(buffer, "IEC958 Dolby: on\n");
1692 } else {
1693 snd_iprintf(buffer, "IEC958 Dolby: off\n");
1694 }
1695
1696 i = rme9652_spdif_sample_rate(rme9652);
1697
1698 if (i < 0) {
1699 snd_iprintf(buffer,
1700 "IEC958 sample rate: error flag set\n");
1701 } else if (i == 0) {
1702 snd_iprintf(buffer, "IEC958 sample rate: undetermined\n");
1703 } else {
1704 snd_iprintf(buffer, "IEC958 sample rate: %d\n", i);
1705 }
1706
1707 snd_iprintf(buffer, "\n");
1708
1709 snd_iprintf(buffer, "ADAT Sample rate: %dHz\n",
1710 rme9652_adat_sample_rate(rme9652));
1711
1712 /* Sync Check */
1713
1714 x = status & RME9652_sync_0;
1715 if (status & RME9652_lock_0) {
1716 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
1717 } else {
1718 snd_iprintf(buffer, "ADAT1: No Lock\n");
1719 }
1720
1721 x = status & RME9652_sync_1;
1722 if (status & RME9652_lock_1) {
1723 snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
1724 } else {
1725 snd_iprintf(buffer, "ADAT2: No Lock\n");
1726 }
1727
1728 x = status & RME9652_sync_2;
1729 if (status & RME9652_lock_2) {
1730 snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
1731 } else {
1732 snd_iprintf(buffer, "ADAT3: No Lock\n");
1733 }
1734
1735 snd_iprintf(buffer, "\n");
1736
1737 snd_iprintf(buffer, "Timecode signal: %s\n",
1738 (status & RME9652_tc_valid) ? "yes" : "no");
1739
1740 /* thru modes */
1741
1742 snd_iprintf(buffer, "Punch Status:\n\n");
1743
1744 for (i = 0; i < rme9652->ss_channels; i++) {
1745 if (thru_bits & (1 << i)) {
1746 snd_iprintf(buffer, "%2d: on ", i + 1);
1747 } else {
1748 snd_iprintf(buffer, "%2d: off ", i + 1);
1749 }
1750
1751 if (((i + 1) % 8) == 0) {
1752 snd_iprintf(buffer, "\n");
1753 }
1754 }
1755
1756 snd_iprintf(buffer, "\n");
1757 }
1758
1759 static void snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
1760 {
1761 struct snd_info_entry *entry;
1762
1763 if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
1764 snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
1765 }
1766
1767 static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
1768 {
1769 snd_hammerfall_free_buffer(&rme9652->capture_dma_buf, rme9652->pci);
1770 snd_hammerfall_free_buffer(&rme9652->playback_dma_buf, rme9652->pci);
1771 }
1772
1773 static int snd_rme9652_free(struct snd_rme9652 *rme9652)
1774 {
1775 if (rme9652->irq >= 0)
1776 rme9652_stop(rme9652);
1777 snd_rme9652_free_buffers(rme9652);
1778
1779 if (rme9652->irq >= 0)
1780 free_irq(rme9652->irq, (void *)rme9652);
1781 if (rme9652->iobase)
1782 iounmap(rme9652->iobase);
1783 if (rme9652->port)
1784 pci_release_regions(rme9652->pci);
1785
1786 pci_disable_device(rme9652->pci);
1787 return 0;
1788 }
1789
1790 static int snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
1791 {
1792 unsigned long pb_bus, cb_bus;
1793
1794 if (snd_hammerfall_get_buffer(rme9652->pci, &rme9652->capture_dma_buf, RME9652_DMA_AREA_BYTES) < 0 ||
1795 snd_hammerfall_get_buffer(rme9652->pci, &rme9652->playback_dma_buf, RME9652_DMA_AREA_BYTES) < 0) {
1796 if (rme9652->capture_dma_buf.area)
1797 snd_dma_free_pages(&rme9652->capture_dma_buf);
1798 dev_err(rme9652->card->dev,
1799 "%s: no buffers available\n", rme9652->card_name);
1800 return -ENOMEM;
1801 }
1802
1803 /* Align to bus-space 64K boundary */
1804
1805 cb_bus = ALIGN(rme9652->capture_dma_buf.addr, 0x10000ul);
1806 pb_bus = ALIGN(rme9652->playback_dma_buf.addr, 0x10000ul);
1807
1808 /* Tell the card where it is */
1809
1810 rme9652_write(rme9652, RME9652_rec_buffer, cb_bus);
1811 rme9652_write(rme9652, RME9652_play_buffer, pb_bus);
1812
1813 rme9652->capture_buffer = rme9652->capture_dma_buf.area + (cb_bus - rme9652->capture_dma_buf.addr);
1814 rme9652->playback_buffer = rme9652->playback_dma_buf.area + (pb_bus - rme9652->playback_dma_buf.addr);
1815
1816 return 0;
1817 }
1818
1819 static void snd_rme9652_set_defaults(struct snd_rme9652 *rme9652)
1820 {
1821 unsigned int k;
1822
1823 /* ASSUMPTION: rme9652->lock is either held, or
1824 there is no need to hold it (e.g. during module
1825 initialization).
1826 */
1827
1828 /* set defaults:
1829
1830 SPDIF Input via Coax
1831 autosync clock mode
1832 maximum latency (7 = 8192 samples, 64Kbyte buffer,
1833 which implies 2 4096 sample, 32Kbyte periods).
1834
1835 if rev 1.5, initialize the S/PDIF receiver.
1836
1837 */
1838
1839 rme9652->control_register =
1840 RME9652_inp_0 | rme9652_encode_latency(7);
1841
1842 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1843
1844 rme9652_reset_hw_pointer(rme9652);
1845 rme9652_compute_period_size(rme9652);
1846
1847 /* default: thru off for all channels */
1848
1849 for (k = 0; k < RME9652_NCHANNELS; ++k)
1850 rme9652_write(rme9652, RME9652_thru_base + k * 4, 0);
1851
1852 rme9652->thru_bits = 0;
1853 rme9652->passthru = 0;
1854
1855 /* set a default rate so that the channel map is set up */
1856
1857 rme9652_set_rate(rme9652, 48000);
1858 }
1859
1860 static irqreturn_t snd_rme9652_interrupt(int irq, void *dev_id)
1861 {
1862 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) dev_id;
1863
1864 if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
1865 return IRQ_NONE;
1866 }
1867
1868 rme9652_write(rme9652, RME9652_irq_clear, 0);
1869
1870 if (rme9652->capture_substream) {
1871 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
1872 }
1873
1874 if (rme9652->playback_substream) {
1875 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
1876 }
1877 return IRQ_HANDLED;
1878 }
1879
1880 static snd_pcm_uframes_t snd_rme9652_hw_pointer(struct snd_pcm_substream *substream)
1881 {
1882 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1883 return rme9652_hw_pointer(rme9652);
1884 }
1885
1886 static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
1887 int stream,
1888 int channel)
1889
1890 {
1891 int mapped_channel;
1892
1893 if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS))
1894 return NULL;
1895
1896 if ((mapped_channel = rme9652->channel_map[channel]) < 0) {
1897 return NULL;
1898 }
1899
1900 if (stream == SNDRV_PCM_STREAM_CAPTURE) {
1901 return rme9652->capture_buffer +
1902 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1903 } else {
1904 return rme9652->playback_buffer +
1905 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1906 }
1907 }
1908
1909 static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel,
1910 snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
1911 {
1912 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1913 char *channel_buf;
1914
1915 if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
1916 return -EINVAL;
1917
1918 channel_buf = rme9652_channel_buffer_location (rme9652,
1919 substream->pstr->stream,
1920 channel);
1921 if (snd_BUG_ON(!channel_buf))
1922 return -EIO;
1923 if (copy_from_user(channel_buf + pos * 4, src, count * 4))
1924 return -EFAULT;
1925 return count;
1926 }
1927
1928 static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel,
1929 snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
1930 {
1931 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1932 char *channel_buf;
1933
1934 if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
1935 return -EINVAL;
1936
1937 channel_buf = rme9652_channel_buffer_location (rme9652,
1938 substream->pstr->stream,
1939 channel);
1940 if (snd_BUG_ON(!channel_buf))
1941 return -EIO;
1942 if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
1943 return -EFAULT;
1944 return count;
1945 }
1946
1947 static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel,
1948 snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
1949 {
1950 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1951 char *channel_buf;
1952
1953 channel_buf = rme9652_channel_buffer_location (rme9652,
1954 substream->pstr->stream,
1955 channel);
1956 if (snd_BUG_ON(!channel_buf))
1957 return -EIO;
1958 memset(channel_buf + pos * 4, 0, count * 4);
1959 return count;
1960 }
1961
1962 static int snd_rme9652_reset(struct snd_pcm_substream *substream)
1963 {
1964 struct snd_pcm_runtime *runtime = substream->runtime;
1965 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1966 struct snd_pcm_substream *other;
1967 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1968 other = rme9652->capture_substream;
1969 else
1970 other = rme9652->playback_substream;
1971 if (rme9652->running)
1972 runtime->status->hw_ptr = rme9652_hw_pointer(rme9652);
1973 else
1974 runtime->status->hw_ptr = 0;
1975 if (other) {
1976 struct snd_pcm_substream *s;
1977 struct snd_pcm_runtime *oruntime = other->runtime;
1978 snd_pcm_group_for_each_entry(s, substream) {
1979 if (s == other) {
1980 oruntime->status->hw_ptr = runtime->status->hw_ptr;
1981 break;
1982 }
1983 }
1984 }
1985 return 0;
1986 }
1987
1988 static int snd_rme9652_hw_params(struct snd_pcm_substream *substream,
1989 struct snd_pcm_hw_params *params)
1990 {
1991 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1992 int err;
1993 pid_t this_pid;
1994 pid_t other_pid;
1995
1996 spin_lock_irq(&rme9652->lock);
1997
1998 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1999 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
2000 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= rme9652->creg_spdif_stream);
2001 this_pid = rme9652->playback_pid;
2002 other_pid = rme9652->capture_pid;
2003 } else {
2004 this_pid = rme9652->capture_pid;
2005 other_pid = rme9652->playback_pid;
2006 }
2007
2008 if ((other_pid > 0) && (this_pid != other_pid)) {
2009
2010 /* The other stream is open, and not by the same
2011 task as this one. Make sure that the parameters
2012 that matter are the same.
2013 */
2014
2015 if ((int)params_rate(params) !=
2016 rme9652_adat_sample_rate(rme9652)) {
2017 spin_unlock_irq(&rme9652->lock);
2018 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2019 return -EBUSY;
2020 }
2021
2022 if (params_period_size(params) != rme9652->period_bytes / 4) {
2023 spin_unlock_irq(&rme9652->lock);
2024 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2025 return -EBUSY;
2026 }
2027
2028 /* We're fine. */
2029
2030 spin_unlock_irq(&rme9652->lock);
2031 return 0;
2032
2033 } else {
2034 spin_unlock_irq(&rme9652->lock);
2035 }
2036
2037 /* how to make sure that the rate matches an externally-set one ?
2038 */
2039
2040 if ((err = rme9652_set_rate(rme9652, params_rate(params))) < 0) {
2041 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2042 return err;
2043 }
2044
2045 if ((err = rme9652_set_interrupt_interval(rme9652, params_period_size(params))) < 0) {
2046 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2047 return err;
2048 }
2049
2050 return 0;
2051 }
2052
2053 static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
2054 struct snd_pcm_channel_info *info)
2055 {
2056 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2057 int chn;
2058
2059 if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
2060 return -EINVAL;
2061
2062 if ((chn = rme9652->channel_map[info->channel]) < 0) {
2063 return -EINVAL;
2064 }
2065
2066 info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
2067 info->first = 0;
2068 info->step = 32;
2069 return 0;
2070 }
2071
2072 static int snd_rme9652_ioctl(struct snd_pcm_substream *substream,
2073 unsigned int cmd, void *arg)
2074 {
2075 switch (cmd) {
2076 case SNDRV_PCM_IOCTL1_RESET:
2077 {
2078 return snd_rme9652_reset(substream);
2079 }
2080 case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
2081 {
2082 struct snd_pcm_channel_info *info = arg;
2083 return snd_rme9652_channel_info(substream, info);
2084 }
2085 default:
2086 break;
2087 }
2088
2089 return snd_pcm_lib_ioctl(substream, cmd, arg);
2090 }
2091
2092 static void rme9652_silence_playback(struct snd_rme9652 *rme9652)
2093 {
2094 memset(rme9652->playback_buffer, 0, RME9652_DMA_AREA_BYTES);
2095 }
2096
2097 static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
2098 int cmd)
2099 {
2100 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2101 struct snd_pcm_substream *other;
2102 int running;
2103 spin_lock(&rme9652->lock);
2104 running = rme9652->running;
2105 switch (cmd) {
2106 case SNDRV_PCM_TRIGGER_START:
2107 running |= 1 << substream->stream;
2108 break;
2109 case SNDRV_PCM_TRIGGER_STOP:
2110 running &= ~(1 << substream->stream);
2111 break;
2112 default:
2113 snd_BUG();
2114 spin_unlock(&rme9652->lock);
2115 return -EINVAL;
2116 }
2117 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2118 other = rme9652->capture_substream;
2119 else
2120 other = rme9652->playback_substream;
2121
2122 if (other) {
2123 struct snd_pcm_substream *s;
2124 snd_pcm_group_for_each_entry(s, substream) {
2125 if (s == other) {
2126 snd_pcm_trigger_done(s, substream);
2127 if (cmd == SNDRV_PCM_TRIGGER_START)
2128 running |= 1 << s->stream;
2129 else
2130 running &= ~(1 << s->stream);
2131 goto _ok;
2132 }
2133 }
2134 if (cmd == SNDRV_PCM_TRIGGER_START) {
2135 if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
2136 substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2137 rme9652_silence_playback(rme9652);
2138 } else {
2139 if (running &&
2140 substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2141 rme9652_silence_playback(rme9652);
2142 }
2143 } else {
2144 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2145 rme9652_silence_playback(rme9652);
2146 }
2147 _ok:
2148 snd_pcm_trigger_done(substream, substream);
2149 if (!rme9652->running && running)
2150 rme9652_start(rme9652);
2151 else if (rme9652->running && !running)
2152 rme9652_stop(rme9652);
2153 rme9652->running = running;
2154 spin_unlock(&rme9652->lock);
2155
2156 return 0;
2157 }
2158
2159 static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
2160 {
2161 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2162 unsigned long flags;
2163 int result = 0;
2164
2165 spin_lock_irqsave(&rme9652->lock, flags);
2166 if (!rme9652->running)
2167 rme9652_reset_hw_pointer(rme9652);
2168 spin_unlock_irqrestore(&rme9652->lock, flags);
2169 return result;
2170 }
2171
2172 static struct snd_pcm_hardware snd_rme9652_playback_subinfo =
2173 {
2174 .info = (SNDRV_PCM_INFO_MMAP |
2175 SNDRV_PCM_INFO_MMAP_VALID |
2176 SNDRV_PCM_INFO_NONINTERLEAVED |
2177 SNDRV_PCM_INFO_SYNC_START |
2178 SNDRV_PCM_INFO_DOUBLE),
2179 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2180 .rates = (SNDRV_PCM_RATE_44100 |
2181 SNDRV_PCM_RATE_48000 |
2182 SNDRV_PCM_RATE_88200 |
2183 SNDRV_PCM_RATE_96000),
2184 .rate_min = 44100,
2185 .rate_max = 96000,
2186 .channels_min = 10,
2187 .channels_max = 26,
2188 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES * 26,
2189 .period_bytes_min = (64 * 4) * 10,
2190 .period_bytes_max = (8192 * 4) * 26,
2191 .periods_min = 2,
2192 .periods_max = 2,
2193 .fifo_size = 0,
2194 };
2195
2196 static struct snd_pcm_hardware snd_rme9652_capture_subinfo =
2197 {
2198 .info = (SNDRV_PCM_INFO_MMAP |
2199 SNDRV_PCM_INFO_MMAP_VALID |
2200 SNDRV_PCM_INFO_NONINTERLEAVED |
2201 SNDRV_PCM_INFO_SYNC_START),
2202 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2203 .rates = (SNDRV_PCM_RATE_44100 |
2204 SNDRV_PCM_RATE_48000 |
2205 SNDRV_PCM_RATE_88200 |
2206 SNDRV_PCM_RATE_96000),
2207 .rate_min = 44100,
2208 .rate_max = 96000,
2209 .channels_min = 10,
2210 .channels_max = 26,
2211 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES *26,
2212 .period_bytes_min = (64 * 4) * 10,
2213 .period_bytes_max = (8192 * 4) * 26,
2214 .periods_min = 2,
2215 .periods_max = 2,
2216 .fifo_size = 0,
2217 };
2218
2219 static unsigned int period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
2220
2221 static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
2222 .count = ARRAY_SIZE(period_sizes),
2223 .list = period_sizes,
2224 .mask = 0
2225 };
2226
2227 static int snd_rme9652_hw_rule_channels(struct snd_pcm_hw_params *params,
2228 struct snd_pcm_hw_rule *rule)
2229 {
2230 struct snd_rme9652 *rme9652 = rule->private;
2231 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2232 unsigned int list[2] = { rme9652->ds_channels, rme9652->ss_channels };
2233 return snd_interval_list(c, 2, list, 0);
2234 }
2235
2236 static int snd_rme9652_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
2237 struct snd_pcm_hw_rule *rule)
2238 {
2239 struct snd_rme9652 *rme9652 = rule->private;
2240 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2241 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2242 if (r->min > 48000) {
2243 struct snd_interval t = {
2244 .min = rme9652->ds_channels,
2245 .max = rme9652->ds_channels,
2246 .integer = 1,
2247 };
2248 return snd_interval_refine(c, &t);
2249 } else if (r->max < 88200) {
2250 struct snd_interval t = {
2251 .min = rme9652->ss_channels,
2252 .max = rme9652->ss_channels,
2253 .integer = 1,
2254 };
2255 return snd_interval_refine(c, &t);
2256 }
2257 return 0;
2258 }
2259
2260 static int snd_rme9652_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
2261 struct snd_pcm_hw_rule *rule)
2262 {
2263 struct snd_rme9652 *rme9652 = rule->private;
2264 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2265 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2266 if (c->min >= rme9652->ss_channels) {
2267 struct snd_interval t = {
2268 .min = 44100,
2269 .max = 48000,
2270 .integer = 1,
2271 };
2272 return snd_interval_refine(r, &t);
2273 } else if (c->max <= rme9652->ds_channels) {
2274 struct snd_interval t = {
2275 .min = 88200,
2276 .max = 96000,
2277 .integer = 1,
2278 };
2279 return snd_interval_refine(r, &t);
2280 }
2281 return 0;
2282 }
2283
2284 static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
2285 {
2286 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2287 struct snd_pcm_runtime *runtime = substream->runtime;
2288
2289 spin_lock_irq(&rme9652->lock);
2290
2291 snd_pcm_set_sync(substream);
2292
2293 runtime->hw = snd_rme9652_playback_subinfo;
2294 runtime->dma_area = rme9652->playback_buffer;
2295 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2296
2297 if (rme9652->capture_substream == NULL) {
2298 rme9652_stop(rme9652);
2299 rme9652_set_thru(rme9652, -1, 0);
2300 }
2301
2302 rme9652->playback_pid = current->pid;
2303 rme9652->playback_substream = substream;
2304
2305 spin_unlock_irq(&rme9652->lock);
2306
2307 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2308 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2309 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2310 snd_rme9652_hw_rule_channels, rme9652,
2311 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2312 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2313 snd_rme9652_hw_rule_channels_rate, rme9652,
2314 SNDRV_PCM_HW_PARAM_RATE, -1);
2315 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2316 snd_rme9652_hw_rule_rate_channels, rme9652,
2317 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2318
2319 rme9652->creg_spdif_stream = rme9652->creg_spdif;
2320 rme9652->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2321 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2322 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2323 return 0;
2324 }
2325
2326 static int snd_rme9652_playback_release(struct snd_pcm_substream *substream)
2327 {
2328 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2329
2330 spin_lock_irq(&rme9652->lock);
2331
2332 rme9652->playback_pid = -1;
2333 rme9652->playback_substream = NULL;
2334
2335 spin_unlock_irq(&rme9652->lock);
2336
2337 rme9652->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2338 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2339 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2340 return 0;
2341 }
2342
2343
2344 static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
2345 {
2346 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2347 struct snd_pcm_runtime *runtime = substream->runtime;
2348
2349 spin_lock_irq(&rme9652->lock);
2350
2351 snd_pcm_set_sync(substream);
2352
2353 runtime->hw = snd_rme9652_capture_subinfo;
2354 runtime->dma_area = rme9652->capture_buffer;
2355 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2356
2357 if (rme9652->playback_substream == NULL) {
2358 rme9652_stop(rme9652);
2359 rme9652_set_thru(rme9652, -1, 0);
2360 }
2361
2362 rme9652->capture_pid = current->pid;
2363 rme9652->capture_substream = substream;
2364
2365 spin_unlock_irq(&rme9652->lock);
2366
2367 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2368 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2369 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2370 snd_rme9652_hw_rule_channels, rme9652,
2371 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2372 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2373 snd_rme9652_hw_rule_channels_rate, rme9652,
2374 SNDRV_PCM_HW_PARAM_RATE, -1);
2375 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2376 snd_rme9652_hw_rule_rate_channels, rme9652,
2377 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2378 return 0;
2379 }
2380
2381 static int snd_rme9652_capture_release(struct snd_pcm_substream *substream)
2382 {
2383 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2384
2385 spin_lock_irq(&rme9652->lock);
2386
2387 rme9652->capture_pid = -1;
2388 rme9652->capture_substream = NULL;
2389
2390 spin_unlock_irq(&rme9652->lock);
2391 return 0;
2392 }
2393
2394 static struct snd_pcm_ops snd_rme9652_playback_ops = {
2395 .open = snd_rme9652_playback_open,
2396 .close = snd_rme9652_playback_release,
2397 .ioctl = snd_rme9652_ioctl,
2398 .hw_params = snd_rme9652_hw_params,
2399 .prepare = snd_rme9652_prepare,
2400 .trigger = snd_rme9652_trigger,
2401 .pointer = snd_rme9652_hw_pointer,
2402 .copy = snd_rme9652_playback_copy,
2403 .silence = snd_rme9652_hw_silence,
2404 };
2405
2406 static struct snd_pcm_ops snd_rme9652_capture_ops = {
2407 .open = snd_rme9652_capture_open,
2408 .close = snd_rme9652_capture_release,
2409 .ioctl = snd_rme9652_ioctl,
2410 .hw_params = snd_rme9652_hw_params,
2411 .prepare = snd_rme9652_prepare,
2412 .trigger = snd_rme9652_trigger,
2413 .pointer = snd_rme9652_hw_pointer,
2414 .copy = snd_rme9652_capture_copy,
2415 };
2416
2417 static int snd_rme9652_create_pcm(struct snd_card *card,
2418 struct snd_rme9652 *rme9652)
2419 {
2420 struct snd_pcm *pcm;
2421 int err;
2422
2423 if ((err = snd_pcm_new(card,
2424 rme9652->card_name,
2425 0, 1, 1, &pcm)) < 0) {
2426 return err;
2427 }
2428
2429 rme9652->pcm = pcm;
2430 pcm->private_data = rme9652;
2431 strcpy(pcm->name, rme9652->card_name);
2432
2433 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme9652_playback_ops);
2434 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme9652_capture_ops);
2435
2436 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2437
2438 return 0;
2439 }
2440
2441 static int snd_rme9652_create(struct snd_card *card,
2442 struct snd_rme9652 *rme9652,
2443 int precise_ptr)
2444 {
2445 struct pci_dev *pci = rme9652->pci;
2446 int err;
2447 int status;
2448 unsigned short rev;
2449
2450 rme9652->irq = -1;
2451 rme9652->card = card;
2452
2453 pci_read_config_word(rme9652->pci, PCI_CLASS_REVISION, &rev);
2454
2455 switch (rev & 0xff) {
2456 case 3:
2457 case 4:
2458 case 8:
2459 case 9:
2460 break;
2461
2462 default:
2463 /* who knows? */
2464 return -ENODEV;
2465 }
2466
2467 if ((err = pci_enable_device(pci)) < 0)
2468 return err;
2469
2470 spin_lock_init(&rme9652->lock);
2471
2472 if ((err = pci_request_regions(pci, "rme9652")) < 0)
2473 return err;
2474 rme9652->port = pci_resource_start(pci, 0);
2475 rme9652->iobase = ioremap_nocache(rme9652->port, RME9652_IO_EXTENT);
2476 if (rme9652->iobase == NULL) {
2477 dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n",
2478 rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1);
2479 return -EBUSY;
2480 }
2481
2482 if (request_irq(pci->irq, snd_rme9652_interrupt, IRQF_SHARED,
2483 KBUILD_MODNAME, rme9652)) {
2484 dev_err(card->dev, "unable to request IRQ %d\n", pci->irq);
2485 return -EBUSY;
2486 }
2487 rme9652->irq = pci->irq;
2488 rme9652->precise_ptr = precise_ptr;
2489
2490 /* Determine the h/w rev level of the card. This seems like
2491 a particularly kludgy way to encode it, but its what RME
2492 chose to do, so we follow them ...
2493 */
2494
2495 status = rme9652_read(rme9652, RME9652_status_register);
2496 if (rme9652_decode_spdif_rate(status&RME9652_F) == 1) {
2497 rme9652->hw_rev = 15;
2498 } else {
2499 rme9652->hw_rev = 11;
2500 }
2501
2502 /* Differentiate between the standard Hammerfall, and the
2503 "Light", which does not have the expansion board. This
2504 method comes from information received from Mathhias
2505 Clausen at RME. Display the EEPROM and h/w revID where
2506 relevant.
2507 */
2508
2509 switch (rev) {
2510 case 8: /* original eprom */
2511 strcpy(card->driver, "RME9636");
2512 if (rme9652->hw_rev == 15) {
2513 rme9652->card_name = "RME Digi9636 (Rev 1.5)";
2514 } else {
2515 rme9652->card_name = "RME Digi9636";
2516 }
2517 rme9652->ss_channels = RME9636_NCHANNELS;
2518 break;
2519 case 9: /* W36_G EPROM */
2520 strcpy(card->driver, "RME9636");
2521 rme9652->card_name = "RME Digi9636 (Rev G)";
2522 rme9652->ss_channels = RME9636_NCHANNELS;
2523 break;
2524 case 4: /* W52_G EPROM */
2525 strcpy(card->driver, "RME9652");
2526 rme9652->card_name = "RME Digi9652 (Rev G)";
2527 rme9652->ss_channels = RME9652_NCHANNELS;
2528 break;
2529 case 3: /* original eprom */
2530 strcpy(card->driver, "RME9652");
2531 if (rme9652->hw_rev == 15) {
2532 rme9652->card_name = "RME Digi9652 (Rev 1.5)";
2533 } else {
2534 rme9652->card_name = "RME Digi9652";
2535 }
2536 rme9652->ss_channels = RME9652_NCHANNELS;
2537 break;
2538 }
2539
2540 rme9652->ds_channels = (rme9652->ss_channels - 2) / 2 + 2;
2541
2542 pci_set_master(rme9652->pci);
2543
2544 if ((err = snd_rme9652_initialize_memory(rme9652)) < 0) {
2545 return err;
2546 }
2547
2548 if ((err = snd_rme9652_create_pcm(card, rme9652)) < 0) {
2549 return err;
2550 }
2551
2552 if ((err = snd_rme9652_create_controls(card, rme9652)) < 0) {
2553 return err;
2554 }
2555
2556 snd_rme9652_proc_init(rme9652);
2557
2558 rme9652->last_spdif_sample_rate = -1;
2559 rme9652->last_adat_sample_rate = -1;
2560 rme9652->playback_pid = -1;
2561 rme9652->capture_pid = -1;
2562 rme9652->capture_substream = NULL;
2563 rme9652->playback_substream = NULL;
2564
2565 snd_rme9652_set_defaults(rme9652);
2566
2567 if (rme9652->hw_rev == 15) {
2568 rme9652_initialize_spdif_receiver (rme9652);
2569 }
2570
2571 return 0;
2572 }
2573
2574 static void snd_rme9652_card_free(struct snd_card *card)
2575 {
2576 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) card->private_data;
2577
2578 if (rme9652)
2579 snd_rme9652_free(rme9652);
2580 }
2581
2582 static int snd_rme9652_probe(struct pci_dev *pci,
2583 const struct pci_device_id *pci_id)
2584 {
2585 static int dev;
2586 struct snd_rme9652 *rme9652;
2587 struct snd_card *card;
2588 int err;
2589
2590 if (dev >= SNDRV_CARDS)
2591 return -ENODEV;
2592 if (!enable[dev]) {
2593 dev++;
2594 return -ENOENT;
2595 }
2596
2597 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2598 sizeof(struct snd_rme9652), &card);
2599
2600 if (err < 0)
2601 return err;
2602
2603 rme9652 = (struct snd_rme9652 *) card->private_data;
2604 card->private_free = snd_rme9652_card_free;
2605 rme9652->dev = dev;
2606 rme9652->pci = pci;
2607
2608 if ((err = snd_rme9652_create(card, rme9652, precise_ptr[dev])) < 0) {
2609 snd_card_free(card);
2610 return err;
2611 }
2612
2613 strcpy(card->shortname, rme9652->card_name);
2614
2615 sprintf(card->longname, "%s at 0x%lx, irq %d",
2616 card->shortname, rme9652->port, rme9652->irq);
2617
2618
2619 if ((err = snd_card_register(card)) < 0) {
2620 snd_card_free(card);
2621 return err;
2622 }
2623 pci_set_drvdata(pci, card);
2624 dev++;
2625 return 0;
2626 }
2627
2628 static void snd_rme9652_remove(struct pci_dev *pci)
2629 {
2630 snd_card_free(pci_get_drvdata(pci));
2631 }
2632
2633 static struct pci_driver rme9652_driver = {
2634 .name = KBUILD_MODNAME,
2635 .id_table = snd_rme9652_ids,
2636 .probe = snd_rme9652_probe,
2637 .remove = snd_rme9652_remove,
2638 };
2639
2640 module_pci_driver(rme9652_driver);
Linux with added FPC-III support