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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / sound / pci / rme9652 / rme9652.c
blob1c7bc1ef8186ee27ff7382ff0eb6526f8d2b15b7
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/moduleparam.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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
42 static int 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_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
298 if (dmab->bytes >= size)
299 return 0;
300 }
301 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
302 size, dmab) < 0)
303 return -ENOMEM;
304 return 0;
305 }
306
307 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
308 {
309 if (dmab->area) {
310 dmab->dev.dev = NULL; /* make it anonymous */
311 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
312 }
313 }
314
315
316 static DEFINE_PCI_DEVICE_TABLE(snd_rme9652_ids) = {
317 {
318 .vendor = 0x10ee,
319 .device = 0x3fc4,
320 .subvendor = PCI_ANY_ID,
321 .subdevice = PCI_ANY_ID,
322 }, /* RME Digi9652 */
323 { 0, },
324 };
325
326 MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
327
328 static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
329 {
330 writel(val, rme9652->iobase + reg);
331 }
332
333 static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
334 {
335 return readl(rme9652->iobase + reg);
336 }
337
338 static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
339 {
340 unsigned long flags;
341 int ret = 1;
342
343 spin_lock_irqsave(&rme9652->lock, flags);
344 if ((rme9652->playback_pid != rme9652->capture_pid) &&
345 (rme9652->playback_pid >= 0) && (rme9652->capture_pid >= 0)) {
346 ret = 0;
347 }
348 spin_unlock_irqrestore(&rme9652->lock, flags);
349 return ret;
350 }
351
352 static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
353 {
354 if (rme9652_running_double_speed(rme9652)) {
355 return (rme9652_read(rme9652, RME9652_status_register) &
356 RME9652_fs48) ? 96000 : 88200;
357 } else {
358 return (rme9652_read(rme9652, RME9652_status_register) &
359 RME9652_fs48) ? 48000 : 44100;
360 }
361 }
362
363 static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
364 {
365 unsigned int i;
366
367 i = rme9652->control_register & RME9652_latency;
368 rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8));
369 rme9652->hw_offsetmask =
370 (rme9652->period_bytes * 2 - 1) & RME9652_buf_pos;
371 rme9652->max_jitter = 80;
372 }
373
374 static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
375 {
376 int status;
377 unsigned int offset, frag;
378 snd_pcm_uframes_t period_size = rme9652->period_bytes / 4;
379 snd_pcm_sframes_t delta;
380
381 status = rme9652_read(rme9652, RME9652_status_register);
382 if (!rme9652->precise_ptr)
383 return (status & RME9652_buffer_id) ? period_size : 0;
384 offset = status & RME9652_buf_pos;
385
386 /* The hardware may give a backward movement for up to 80 frames
387 Martin Kirst <martin.kirst@freenet.de> knows the details.
388 */
389
390 delta = rme9652->prev_hw_offset - offset;
391 delta &= 0xffff;
392 if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4)
393 offset = rme9652->prev_hw_offset;
394 else
395 rme9652->prev_hw_offset = offset;
396 offset &= rme9652->hw_offsetmask;
397 offset /= 4;
398 frag = status & RME9652_buffer_id;
399
400 if (offset < period_size) {
401 if (offset > rme9652->max_jitter) {
402 if (frag)
403 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n", status, offset);
404 } else if (!frag)
405 return 0;
406 offset -= rme9652->max_jitter;
407 if ((int)offset < 0)
408 offset += period_size * 2;
409 } else {
410 if (offset > period_size + rme9652->max_jitter) {
411 if (!frag)
412 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n", status, offset);
413 } else if (frag)
414 return period_size;
415 offset -= rme9652->max_jitter;
416 }
417
418 return offset;
419 }
420
421 static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
422 {
423 int i;
424
425 /* reset the FIFO pointer to zero. We do this by writing to 8
426 registers, each of which is a 32bit wide register, and set
427 them all to zero. Note that s->iobase is a pointer to
428 int32, not pointer to char.
429 */
430
431 for (i = 0; i < 8; i++) {
432 rme9652_write(rme9652, i * 4, 0);
433 udelay(10);
434 }
435 rme9652->prev_hw_offset = 0;
436 }
437
438 static inline void rme9652_start(struct snd_rme9652 *s)
439 {
440 s->control_register |= (RME9652_IE | RME9652_start_bit);
441 rme9652_write(s, RME9652_control_register, s->control_register);
442 }
443
444 static inline void rme9652_stop(struct snd_rme9652 *s)
445 {
446 s->control_register &= ~(RME9652_start_bit | RME9652_IE);
447 rme9652_write(s, RME9652_control_register, s->control_register);
448 }
449
450 static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
451 unsigned int frames)
452 {
453 int restart = 0;
454 int n;
455
456 spin_lock_irq(&s->lock);
457
458 if ((restart = s->running)) {
459 rme9652_stop(s);
460 }
461
462 frames >>= 7;
463 n = 0;
464 while (frames) {
465 n++;
466 frames >>= 1;
467 }
468
469 s->control_register &= ~RME9652_latency;
470 s->control_register |= rme9652_encode_latency(n);
471
472 rme9652_write(s, RME9652_control_register, s->control_register);
473
474 rme9652_compute_period_size(s);
475
476 if (restart)
477 rme9652_start(s);
478
479 spin_unlock_irq(&s->lock);
480
481 return 0;
482 }
483
484 static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
485 {
486 int restart;
487 int reject_if_open = 0;
488 int xrate;
489
490 if (!snd_rme9652_use_is_exclusive (rme9652)) {
491 return -EBUSY;
492 }
493
494 /* Changing from a "single speed" to a "double speed" rate is
495 not allowed if any substreams are open. This is because
496 such a change causes a shift in the location of
497 the DMA buffers and a reduction in the number of available
498 buffers.
499
500 Note that a similar but essentially insoluble problem
501 exists for externally-driven rate changes. All we can do
502 is to flag rate changes in the read/write routines.
503 */
504
505 spin_lock_irq(&rme9652->lock);
506 xrate = rme9652_adat_sample_rate(rme9652);
507
508 switch (rate) {
509 case 44100:
510 if (xrate > 48000) {
511 reject_if_open = 1;
512 }
513 rate = 0;
514 break;
515 case 48000:
516 if (xrate > 48000) {
517 reject_if_open = 1;
518 }
519 rate = RME9652_freq;
520 break;
521 case 88200:
522 if (xrate < 48000) {
523 reject_if_open = 1;
524 }
525 rate = RME9652_DS;
526 break;
527 case 96000:
528 if (xrate < 48000) {
529 reject_if_open = 1;
530 }
531 rate = RME9652_DS | RME9652_freq;
532 break;
533 default:
534 spin_unlock_irq(&rme9652->lock);
535 return -EINVAL;
536 }
537
538 if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0)) {
539 spin_unlock_irq(&rme9652->lock);
540 return -EBUSY;
541 }
542
543 if ((restart = rme9652->running)) {
544 rme9652_stop(rme9652);
545 }
546 rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
547 rme9652->control_register |= rate;
548 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
549
550 if (restart) {
551 rme9652_start(rme9652);
552 }
553
554 if (rate & RME9652_DS) {
555 if (rme9652->ss_channels == RME9652_NCHANNELS) {
556 rme9652->channel_map = channel_map_9652_ds;
557 } else {
558 rme9652->channel_map = channel_map_9636_ds;
559 }
560 } else {
561 if (rme9652->ss_channels == RME9652_NCHANNELS) {
562 rme9652->channel_map = channel_map_9652_ss;
563 } else {
564 rme9652->channel_map = channel_map_9636_ss;
565 }
566 }
567
568 spin_unlock_irq(&rme9652->lock);
569 return 0;
570 }
571
572 static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
573 {
574 int i;
575
576 rme9652->passthru = 0;
577
578 if (channel < 0) {
579
580 /* set thru for all channels */
581
582 if (enable) {
583 for (i = 0; i < RME9652_NCHANNELS; i++) {
584 rme9652->thru_bits |= (1 << i);
585 rme9652_write(rme9652, RME9652_thru_base + i * 4, 1);
586 }
587 } else {
588 for (i = 0; i < RME9652_NCHANNELS; i++) {
589 rme9652->thru_bits &= ~(1 << i);
590 rme9652_write(rme9652, RME9652_thru_base + i * 4, 0);
591 }
592 }
593
594 } else {
595 int mapped_channel;
596
597 mapped_channel = rme9652->channel_map[channel];
598
599 if (enable) {
600 rme9652->thru_bits |= (1 << mapped_channel);
601 } else {
602 rme9652->thru_bits &= ~(1 << mapped_channel);
603 }
604
605 rme9652_write(rme9652,
606 RME9652_thru_base + mapped_channel * 4,
607 enable ? 1 : 0);
608 }
609 }
610
611 static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
612 {
613 if (onoff) {
614 rme9652_set_thru(rme9652, -1, 1);
615
616 /* we don't want interrupts, so do a
617 custom version of rme9652_start().
618 */
619
620 rme9652->control_register =
621 RME9652_inp_0 |
622 rme9652_encode_latency(7) |
623 RME9652_start_bit;
624
625 rme9652_reset_hw_pointer(rme9652);
626
627 rme9652_write(rme9652, RME9652_control_register,
628 rme9652->control_register);
629 rme9652->passthru = 1;
630 } else {
631 rme9652_set_thru(rme9652, -1, 0);
632 rme9652_stop(rme9652);
633 rme9652->passthru = 0;
634 }
635
636 return 0;
637 }
638
639 static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
640 {
641 if (onoff)
642 rme9652->control_register |= mask;
643 else
644 rme9652->control_register &= ~mask;
645
646 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
647 }
648
649 static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
650 {
651 long mask;
652 long i;
653
654 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
655 if (val & mask)
656 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1);
657 else
658 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0);
659
660 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
661 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
662 }
663 }
664
665 static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
666 {
667 long mask;
668 long val;
669 long i;
670
671 val = 0;
672
673 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
674 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
675 if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
676 val |= mask;
677 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
678 }
679
680 return val;
681 }
682
683 static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
684 {
685 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
686 rme9652_spdif_write_byte (rme9652, 0x20);
687 rme9652_spdif_write_byte (rme9652, address);
688 rme9652_spdif_write_byte (rme9652, data);
689 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
690 }
691
692
693 static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
694 {
695 int ret;
696
697 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
698 rme9652_spdif_write_byte (rme9652, 0x20);
699 rme9652_spdif_write_byte (rme9652, address);
700 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
701 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
702
703 rme9652_spdif_write_byte (rme9652, 0x21);
704 ret = rme9652_spdif_read_byte (rme9652);
705 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
706
707 return ret;
708 }
709
710 static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
711 {
712 /* XXX what unsets this ? */
713
714 rme9652->control_register |= RME9652_SPDIF_RESET;
715
716 rme9652_write_spdif_codec (rme9652, 4, 0x40);
717 rme9652_write_spdif_codec (rme9652, 17, 0x13);
718 rme9652_write_spdif_codec (rme9652, 6, 0x02);
719 }
720
721 static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
722 {
723 unsigned int rate_bits;
724
725 if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
726 return -1; /* error condition */
727 }
728
729 if (s->hw_rev == 15) {
730
731 int x, y, ret;
732
733 x = rme9652_spdif_read_codec (s, 30);
734
735 if (x != 0)
736 y = 48000 * 64 / x;
737 else
738 y = 0;
739
740 if (y > 30400 && y < 33600) ret = 32000;
741 else if (y > 41900 && y < 46000) ret = 44100;
742 else if (y > 46000 && y < 50400) ret = 48000;
743 else if (y > 60800 && y < 67200) ret = 64000;
744 else if (y > 83700 && y < 92000) ret = 88200;
745 else if (y > 92000 && y < 100000) ret = 96000;
746 else ret = 0;
747 return ret;
748 }
749
750 rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
751
752 switch (rme9652_decode_spdif_rate(rate_bits)) {
753 case 0x7:
754 return 32000;
755 break;
756
757 case 0x6:
758 return 44100;
759 break;
760
761 case 0x5:
762 return 48000;
763 break;
764
765 case 0x4:
766 return 88200;
767 break;
768
769 case 0x3:
770 return 96000;
771 break;
772
773 case 0x0:
774 return 64000;
775 break;
776
777 default:
778 snd_printk(KERN_ERR "%s: unknown S/PDIF input rate (bits = 0x%x)\n",
779 s->card_name, rate_bits);
780 return 0;
781 break;
782 }
783 }
784
785 /*-----------------------------------------------------------------------------
786 Control Interface
787 ----------------------------------------------------------------------------*/
788
789 static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
790 {
791 u32 val = 0;
792 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0;
793 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0;
794 if (val & RME9652_PRO)
795 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0;
796 else
797 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0;
798 return val;
799 }
800
801 static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
802 {
803 aes->status[0] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
804 ((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0);
805 if (val & RME9652_PRO)
806 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
807 else
808 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
809 }
810
811 static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
812 {
813 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
814 uinfo->count = 1;
815 return 0;
816 }
817
818 static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
819 {
820 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
821
822 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
823 return 0;
824 }
825
826 static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
827 {
828 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
829 int change;
830 u32 val;
831
832 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
833 spin_lock_irq(&rme9652->lock);
834 change = val != rme9652->creg_spdif;
835 rme9652->creg_spdif = val;
836 spin_unlock_irq(&rme9652->lock);
837 return change;
838 }
839
840 static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
841 {
842 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
843 uinfo->count = 1;
844 return 0;
845 }
846
847 static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
848 {
849 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
850
851 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
852 return 0;
853 }
854
855 static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
856 {
857 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
858 int change;
859 u32 val;
860
861 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
862 spin_lock_irq(&rme9652->lock);
863 change = val != rme9652->creg_spdif_stream;
864 rme9652->creg_spdif_stream = val;
865 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
866 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
867 spin_unlock_irq(&rme9652->lock);
868 return change;
869 }
870
871 static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
872 {
873 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
874 uinfo->count = 1;
875 return 0;
876 }
877
878 static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
879 {
880 ucontrol->value.iec958.status[0] = kcontrol->private_value;
881 return 0;
882 }
883
884 #define RME9652_ADAT1_IN(xname, xindex) \
885 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
886 .info = snd_rme9652_info_adat1_in, \
887 .get = snd_rme9652_get_adat1_in, \
888 .put = snd_rme9652_put_adat1_in }
889
890 static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
891 {
892 if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
893 return 1;
894 return 0;
895 }
896
897 static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
898 {
899 int restart = 0;
900
901 if (internal) {
902 rme9652->control_register |= RME9652_ADAT1_INTERNAL;
903 } else {
904 rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
905 }
906
907 /* XXX do we actually need to stop the card when we do this ? */
908
909 if ((restart = rme9652->running)) {
910 rme9652_stop(rme9652);
911 }
912
913 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
914
915 if (restart) {
916 rme9652_start(rme9652);
917 }
918
919 return 0;
920 }
921
922 static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
923 {
924 static char *texts[2] = {"ADAT1", "Internal"};
925
926 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
927 uinfo->count = 1;
928 uinfo->value.enumerated.items = 2;
929 if (uinfo->value.enumerated.item > 1)
930 uinfo->value.enumerated.item = 1;
931 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
932 return 0;
933 }
934
935 static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 {
937 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
938
939 spin_lock_irq(&rme9652->lock);
940 ucontrol->value.enumerated.item[0] = rme9652_adat1_in(rme9652);
941 spin_unlock_irq(&rme9652->lock);
942 return 0;
943 }
944
945 static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
946 {
947 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
948 int change;
949 unsigned int val;
950
951 if (!snd_rme9652_use_is_exclusive(rme9652))
952 return -EBUSY;
953 val = ucontrol->value.enumerated.item[0] % 2;
954 spin_lock_irq(&rme9652->lock);
955 change = val != rme9652_adat1_in(rme9652);
956 if (change)
957 rme9652_set_adat1_input(rme9652, val);
958 spin_unlock_irq(&rme9652->lock);
959 return change;
960 }
961
962 #define RME9652_SPDIF_IN(xname, xindex) \
963 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
964 .info = snd_rme9652_info_spdif_in, \
965 .get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
966
967 static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
968 {
969 return rme9652_decode_spdif_in(rme9652->control_register &
970 RME9652_inp);
971 }
972
973 static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
974 {
975 int restart = 0;
976
977 rme9652->control_register &= ~RME9652_inp;
978 rme9652->control_register |= rme9652_encode_spdif_in(in);
979
980 if ((restart = rme9652->running)) {
981 rme9652_stop(rme9652);
982 }
983
984 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
985
986 if (restart) {
987 rme9652_start(rme9652);
988 }
989
990 return 0;
991 }
992
993 static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
994 {
995 static char *texts[3] = {"ADAT1", "Coaxial", "Internal"};
996
997 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
998 uinfo->count = 1;
999 uinfo->value.enumerated.items = 3;
1000 if (uinfo->value.enumerated.item > 2)
1001 uinfo->value.enumerated.item = 2;
1002 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1003 return 0;
1004 }
1005
1006 static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1007 {
1008 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1009
1010 spin_lock_irq(&rme9652->lock);
1011 ucontrol->value.enumerated.item[0] = rme9652_spdif_in(rme9652);
1012 spin_unlock_irq(&rme9652->lock);
1013 return 0;
1014 }
1015
1016 static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1017 {
1018 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1019 int change;
1020 unsigned int val;
1021
1022 if (!snd_rme9652_use_is_exclusive(rme9652))
1023 return -EBUSY;
1024 val = ucontrol->value.enumerated.item[0] % 3;
1025 spin_lock_irq(&rme9652->lock);
1026 change = val != rme9652_spdif_in(rme9652);
1027 if (change)
1028 rme9652_set_spdif_input(rme9652, val);
1029 spin_unlock_irq(&rme9652->lock);
1030 return change;
1031 }
1032
1033 #define RME9652_SPDIF_OUT(xname, xindex) \
1034 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1035 .info = snd_rme9652_info_spdif_out, \
1036 .get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
1037
1038 static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
1039 {
1040 return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
1041 }
1042
1043 static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
1044 {
1045 int restart = 0;
1046
1047 if (out) {
1048 rme9652->control_register |= RME9652_opt_out;
1049 } else {
1050 rme9652->control_register &= ~RME9652_opt_out;
1051 }
1052
1053 if ((restart = rme9652->running)) {
1054 rme9652_stop(rme9652);
1055 }
1056
1057 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1058
1059 if (restart) {
1060 rme9652_start(rme9652);
1061 }
1062
1063 return 0;
1064 }
1065
1066 #define snd_rme9652_info_spdif_out snd_ctl_boolean_mono_info
1067
1068 static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1069 {
1070 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1071
1072 spin_lock_irq(&rme9652->lock);
1073 ucontrol->value.integer.value[0] = rme9652_spdif_out(rme9652);
1074 spin_unlock_irq(&rme9652->lock);
1075 return 0;
1076 }
1077
1078 static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1079 {
1080 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1081 int change;
1082 unsigned int val;
1083
1084 if (!snd_rme9652_use_is_exclusive(rme9652))
1085 return -EBUSY;
1086 val = ucontrol->value.integer.value[0] & 1;
1087 spin_lock_irq(&rme9652->lock);
1088 change = (int)val != rme9652_spdif_out(rme9652);
1089 rme9652_set_spdif_output(rme9652, val);
1090 spin_unlock_irq(&rme9652->lock);
1091 return change;
1092 }
1093
1094 #define RME9652_SYNC_MODE(xname, xindex) \
1095 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1096 .info = snd_rme9652_info_sync_mode, \
1097 .get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
1098
1099 static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
1100 {
1101 if (rme9652->control_register & RME9652_wsel) {
1102 return 2;
1103 } else if (rme9652->control_register & RME9652_Master) {
1104 return 1;
1105 } else {
1106 return 0;
1107 }
1108 }
1109
1110 static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
1111 {
1112 int restart = 0;
1113
1114 switch (mode) {
1115 case 0:
1116 rme9652->control_register &=
1117 ~(RME9652_Master | RME9652_wsel);
1118 break;
1119 case 1:
1120 rme9652->control_register =
1121 (rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
1122 break;
1123 case 2:
1124 rme9652->control_register |=
1125 (RME9652_Master | RME9652_wsel);
1126 break;
1127 }
1128
1129 if ((restart = rme9652->running)) {
1130 rme9652_stop(rme9652);
1131 }
1132
1133 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1134
1135 if (restart) {
1136 rme9652_start(rme9652);
1137 }
1138
1139 return 0;
1140 }
1141
1142 static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1143 {
1144 static char *texts[3] = {"AutoSync", "Master", "Word Clock"};
1145
1146 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1147 uinfo->count = 1;
1148 uinfo->value.enumerated.items = 3;
1149 if (uinfo->value.enumerated.item > 2)
1150 uinfo->value.enumerated.item = 2;
1151 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1152 return 0;
1153 }
1154
1155 static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1156 {
1157 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1158
1159 spin_lock_irq(&rme9652->lock);
1160 ucontrol->value.enumerated.item[0] = rme9652_sync_mode(rme9652);
1161 spin_unlock_irq(&rme9652->lock);
1162 return 0;
1163 }
1164
1165 static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1166 {
1167 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1168 int change;
1169 unsigned int val;
1170
1171 val = ucontrol->value.enumerated.item[0] % 3;
1172 spin_lock_irq(&rme9652->lock);
1173 change = (int)val != rme9652_sync_mode(rme9652);
1174 rme9652_set_sync_mode(rme9652, val);
1175 spin_unlock_irq(&rme9652->lock);
1176 return change;
1177 }
1178
1179 #define RME9652_SYNC_PREF(xname, xindex) \
1180 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1181 .info = snd_rme9652_info_sync_pref, \
1182 .get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
1183
1184 static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
1185 {
1186 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1187 case RME9652_SyncPref_ADAT1:
1188 return RME9652_SYNC_FROM_ADAT1;
1189 case RME9652_SyncPref_ADAT2:
1190 return RME9652_SYNC_FROM_ADAT2;
1191 case RME9652_SyncPref_ADAT3:
1192 return RME9652_SYNC_FROM_ADAT3;
1193 case RME9652_SyncPref_SPDIF:
1194 return RME9652_SYNC_FROM_SPDIF;
1195 }
1196 /* Not reachable */
1197 return 0;
1198 }
1199
1200 static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
1201 {
1202 int restart;
1203
1204 rme9652->control_register &= ~RME9652_SyncPref_Mask;
1205 switch (pref) {
1206 case RME9652_SYNC_FROM_ADAT1:
1207 rme9652->control_register |= RME9652_SyncPref_ADAT1;
1208 break;
1209 case RME9652_SYNC_FROM_ADAT2:
1210 rme9652->control_register |= RME9652_SyncPref_ADAT2;
1211 break;
1212 case RME9652_SYNC_FROM_ADAT3:
1213 rme9652->control_register |= RME9652_SyncPref_ADAT3;
1214 break;
1215 case RME9652_SYNC_FROM_SPDIF:
1216 rme9652->control_register |= RME9652_SyncPref_SPDIF;
1217 break;
1218 }
1219
1220 if ((restart = rme9652->running)) {
1221 rme9652_stop(rme9652);
1222 }
1223
1224 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1225
1226 if (restart) {
1227 rme9652_start(rme9652);
1228 }
1229
1230 return 0;
1231 }
1232
1233 static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1234 {
1235 static char *texts[4] = {"IEC958 In", "ADAT1 In", "ADAT2 In", "ADAT3 In"};
1236 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1237
1238 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1239 uinfo->count = 1;
1240 uinfo->value.enumerated.items = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1241 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1242 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1243 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1244 return 0;
1245 }
1246
1247 static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1248 {
1249 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1250
1251 spin_lock_irq(&rme9652->lock);
1252 ucontrol->value.enumerated.item[0] = rme9652_sync_pref(rme9652);
1253 spin_unlock_irq(&rme9652->lock);
1254 return 0;
1255 }
1256
1257 static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1258 {
1259 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1260 int change, max;
1261 unsigned int val;
1262
1263 if (!snd_rme9652_use_is_exclusive(rme9652))
1264 return -EBUSY;
1265 max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1266 val = ucontrol->value.enumerated.item[0] % max;
1267 spin_lock_irq(&rme9652->lock);
1268 change = (int)val != rme9652_sync_pref(rme9652);
1269 rme9652_set_sync_pref(rme9652, val);
1270 spin_unlock_irq(&rme9652->lock);
1271 return change;
1272 }
1273
1274 static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1275 {
1276 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1277 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1278 uinfo->count = rme9652->ss_channels;
1279 uinfo->value.integer.min = 0;
1280 uinfo->value.integer.max = 1;
1281 return 0;
1282 }
1283
1284 static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1285 {
1286 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1287 unsigned int k;
1288 u32 thru_bits = rme9652->thru_bits;
1289
1290 for (k = 0; k < rme9652->ss_channels; ++k) {
1291 ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
1292 }
1293 return 0;
1294 }
1295
1296 static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1297 {
1298 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1299 int change;
1300 unsigned int chn;
1301 u32 thru_bits = 0;
1302
1303 if (!snd_rme9652_use_is_exclusive(rme9652))
1304 return -EBUSY;
1305
1306 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1307 if (ucontrol->value.integer.value[chn])
1308 thru_bits |= 1 << chn;
1309 }
1310
1311 spin_lock_irq(&rme9652->lock);
1312 change = thru_bits ^ rme9652->thru_bits;
1313 if (change) {
1314 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1315 if (!(change & (1 << chn)))
1316 continue;
1317 rme9652_set_thru(rme9652,chn,thru_bits&(1<<chn));
1318 }
1319 }
1320 spin_unlock_irq(&rme9652->lock);
1321 return !!change;
1322 }
1323
1324 #define RME9652_PASSTHRU(xname, xindex) \
1325 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1326 .info = snd_rme9652_info_passthru, \
1327 .put = snd_rme9652_put_passthru, \
1328 .get = snd_rme9652_get_passthru }
1329
1330 #define snd_rme9652_info_passthru snd_ctl_boolean_mono_info
1331
1332 static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1333 {
1334 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1335
1336 spin_lock_irq(&rme9652->lock);
1337 ucontrol->value.integer.value[0] = rme9652->passthru;
1338 spin_unlock_irq(&rme9652->lock);
1339 return 0;
1340 }
1341
1342 static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1343 {
1344 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1345 int change;
1346 unsigned int val;
1347 int err = 0;
1348
1349 if (!snd_rme9652_use_is_exclusive(rme9652))
1350 return -EBUSY;
1351
1352 val = ucontrol->value.integer.value[0] & 1;
1353 spin_lock_irq(&rme9652->lock);
1354 change = (ucontrol->value.integer.value[0] != rme9652->passthru);
1355 if (change)
1356 err = rme9652_set_passthru(rme9652, val);
1357 spin_unlock_irq(&rme9652->lock);
1358 return err ? err : change;
1359 }
1360
1361 /* Read-only switches */
1362
1363 #define RME9652_SPDIF_RATE(xname, xindex) \
1364 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1365 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1366 .info = snd_rme9652_info_spdif_rate, \
1367 .get = snd_rme9652_get_spdif_rate }
1368
1369 static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1370 {
1371 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1372 uinfo->count = 1;
1373 uinfo->value.integer.min = 0;
1374 uinfo->value.integer.max = 96000;
1375 return 0;
1376 }
1377
1378 static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1379 {
1380 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1381
1382 spin_lock_irq(&rme9652->lock);
1383 ucontrol->value.integer.value[0] = rme9652_spdif_sample_rate(rme9652);
1384 spin_unlock_irq(&rme9652->lock);
1385 return 0;
1386 }
1387
1388 #define RME9652_ADAT_SYNC(xname, xindex, xidx) \
1389 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1390 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1391 .info = snd_rme9652_info_adat_sync, \
1392 .get = snd_rme9652_get_adat_sync, .private_value = xidx }
1393
1394 static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1395 {
1396 static char *texts[4] = {"No Lock", "Lock", "No Lock Sync", "Lock Sync"};
1397
1398 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1399 uinfo->count = 1;
1400 uinfo->value.enumerated.items = 4;
1401 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1402 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1403 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1404 return 0;
1405 }
1406
1407 static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1408 {
1409 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1410 unsigned int mask1, mask2, val;
1411
1412 switch (kcontrol->private_value) {
1413 case 0: mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break;
1414 case 1: mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break;
1415 case 2: mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break;
1416 default: return -EINVAL;
1417 }
1418 val = rme9652_read(rme9652, RME9652_status_register);
1419 ucontrol->value.enumerated.item[0] = (val & mask1) ? 1 : 0;
1420 ucontrol->value.enumerated.item[0] |= (val & mask2) ? 2 : 0;
1421 return 0;
1422 }
1423
1424 #define RME9652_TC_VALID(xname, xindex) \
1425 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1426 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1427 .info = snd_rme9652_info_tc_valid, \
1428 .get = snd_rme9652_get_tc_valid }
1429
1430 #define snd_rme9652_info_tc_valid snd_ctl_boolean_mono_info
1431
1432 static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1433 {
1434 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1435
1436 ucontrol->value.integer.value[0] =
1437 (rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0;
1438 return 0;
1439 }
1440
1441 #ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
1442
1443 /* FIXME: this routine needs a port to the new control API --jk */
1444
1445 static int snd_rme9652_get_tc_value(void *private_data,
1446 snd_kswitch_t *kswitch,
1447 snd_switch_t *uswitch)
1448 {
1449 struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
1450 u32 value;
1451 int i;
1452
1453 uswitch->type = SNDRV_SW_TYPE_DWORD;
1454
1455 if ((rme9652_read(s, RME9652_status_register) &
1456 RME9652_tc_valid) == 0) {
1457 uswitch->value.data32[0] = 0;
1458 return 0;
1459 }
1460
1461 /* timecode request */
1462
1463 rme9652_write(s, RME9652_time_code, 0);
1464
1465 /* XXX bug alert: loop-based timing !!!! */
1466
1467 for (i = 0; i < 50; i++) {
1468 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy))
1469 break;
1470 }
1471
1472 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy)) {
1473 return -EIO;
1474 }
1475
1476 value = 0;
1477
1478 for (i = 0; i < 32; i++) {
1479 value >>= 1;
1480
1481 if (rme9652_read(s, i * 4) & RME9652_tc_out)
1482 value |= 0x80000000;
1483 }
1484
1485 if (value > 2 * 60 * 48000) {
1486 value -= 2 * 60 * 48000;
1487 } else {
1488 value = 0;
1489 }
1490
1491 uswitch->value.data32[0] = value;
1492
1493 return 0;
1494 }
1495
1496 #endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
1497
1498 static struct snd_kcontrol_new snd_rme9652_controls[] = {
1499 {
1500 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1501 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1502 .info = snd_rme9652_control_spdif_info,
1503 .get = snd_rme9652_control_spdif_get,
1504 .put = snd_rme9652_control_spdif_put,
1505 },
1506 {
1507 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1508 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1509 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1510 .info = snd_rme9652_control_spdif_stream_info,
1511 .get = snd_rme9652_control_spdif_stream_get,
1512 .put = snd_rme9652_control_spdif_stream_put,
1513 },
1514 {
1515 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1516 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1517 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1518 .info = snd_rme9652_control_spdif_mask_info,
1519 .get = snd_rme9652_control_spdif_mask_get,
1520 .private_value = IEC958_AES0_NONAUDIO |
1521 IEC958_AES0_PROFESSIONAL |
1522 IEC958_AES0_CON_EMPHASIS,
1523 },
1524 {
1525 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1526 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1527 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1528 .info = snd_rme9652_control_spdif_mask_info,
1529 .get = snd_rme9652_control_spdif_mask_get,
1530 .private_value = IEC958_AES0_NONAUDIO |
1531 IEC958_AES0_PROFESSIONAL |
1532 IEC958_AES0_PRO_EMPHASIS,
1533 },
1534 RME9652_SPDIF_IN("IEC958 Input Connector", 0),
1535 RME9652_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
1536 RME9652_SYNC_MODE("Sync Mode", 0),
1537 RME9652_SYNC_PREF("Preferred Sync Source", 0),
1538 {
1539 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1540 .name = "Channels Thru",
1541 .index = 0,
1542 .info = snd_rme9652_info_thru,
1543 .get = snd_rme9652_get_thru,
1544 .put = snd_rme9652_put_thru,
1545 },
1546 RME9652_SPDIF_RATE("IEC958 Sample Rate", 0),
1547 RME9652_ADAT_SYNC("ADAT1 Sync Check", 0, 0),
1548 RME9652_ADAT_SYNC("ADAT2 Sync Check", 0, 1),
1549 RME9652_TC_VALID("Timecode Valid", 0),
1550 RME9652_PASSTHRU("Passthru", 0)
1551 };
1552
1553 static struct snd_kcontrol_new snd_rme9652_adat3_check =
1554 RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
1555
1556 static struct snd_kcontrol_new snd_rme9652_adat1_input =
1557 RME9652_ADAT1_IN("ADAT1 Input Source", 0);
1558
1559 static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
1560 {
1561 unsigned int idx;
1562 int err;
1563 struct snd_kcontrol *kctl;
1564
1565 for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
1566 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0)
1567 return err;
1568 if (idx == 1) /* IEC958 (S/PDIF) Stream */
1569 rme9652->spdif_ctl = kctl;
1570 }
1571
1572 if (rme9652->ss_channels == RME9652_NCHANNELS)
1573 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0)
1574 return err;
1575
1576 if (rme9652->hw_rev >= 15)
1577 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0)
1578 return err;
1579
1580 return 0;
1581 }
1582
1583 /*------------------------------------------------------------
1584 /proc interface
1585 ------------------------------------------------------------*/
1586
1587 static void
1588 snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1589 {
1590 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
1591 u32 thru_bits = rme9652->thru_bits;
1592 int show_auto_sync_source = 0;
1593 int i;
1594 unsigned int status;
1595 int x;
1596
1597 status = rme9652_read(rme9652, RME9652_status_register);
1598
1599 snd_iprintf(buffer, "%s (Card #%d)\n", rme9652->card_name, rme9652->card->number + 1);
1600 snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
1601 rme9652->capture_buffer, rme9652->playback_buffer);
1602 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
1603 rme9652->irq, rme9652->port, (unsigned long)rme9652->iobase);
1604 snd_iprintf(buffer, "Control register: %x\n", rme9652->control_register);
1605
1606 snd_iprintf(buffer, "\n");
1607
1608 x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
1609 RME9652_latency));
1610
1611 snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n",
1612 x, (unsigned long) rme9652->period_bytes);
1613 snd_iprintf(buffer, "Hardware pointer (frames): %ld\n",
1614 rme9652_hw_pointer(rme9652));
1615 snd_iprintf(buffer, "Passthru: %s\n",
1616 rme9652->passthru ? "yes" : "no");
1617
1618 if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0) {
1619 snd_iprintf(buffer, "Clock mode: autosync\n");
1620 show_auto_sync_source = 1;
1621 } else if (rme9652->control_register & RME9652_wsel) {
1622 if (status & RME9652_wsel_rd) {
1623 snd_iprintf(buffer, "Clock mode: word clock\n");
1624 } else {
1625 snd_iprintf(buffer, "Clock mode: word clock (no signal)\n");
1626 }
1627 } else {
1628 snd_iprintf(buffer, "Clock mode: master\n");
1629 }
1630
1631 if (show_auto_sync_source) {
1632 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1633 case RME9652_SyncPref_ADAT1:
1634 snd_iprintf(buffer, "Pref. sync source: ADAT1\n");
1635 break;
1636 case RME9652_SyncPref_ADAT2:
1637 snd_iprintf(buffer, "Pref. sync source: ADAT2\n");
1638 break;
1639 case RME9652_SyncPref_ADAT3:
1640 snd_iprintf(buffer, "Pref. sync source: ADAT3\n");
1641 break;
1642 case RME9652_SyncPref_SPDIF:
1643 snd_iprintf(buffer, "Pref. sync source: IEC958\n");
1644 break;
1645 default:
1646 snd_iprintf(buffer, "Pref. sync source: ???\n");
1647 }
1648 }
1649
1650 if (rme9652->hw_rev >= 15)
1651 snd_iprintf(buffer, "\nADAT1 Input source: %s\n",
1652 (rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
1653 "Internal" : "ADAT1 optical");
1654
1655 snd_iprintf(buffer, "\n");
1656
1657 switch (rme9652_decode_spdif_in(rme9652->control_register &
1658 RME9652_inp)) {
1659 case RME9652_SPDIFIN_OPTICAL:
1660 snd_iprintf(buffer, "IEC958 input: ADAT1\n");
1661 break;
1662 case RME9652_SPDIFIN_COAXIAL:
1663 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
1664 break;
1665 case RME9652_SPDIFIN_INTERN:
1666 snd_iprintf(buffer, "IEC958 input: Internal\n");
1667 break;
1668 default:
1669 snd_iprintf(buffer, "IEC958 input: ???\n");
1670 break;
1671 }
1672
1673 if (rme9652->control_register & RME9652_opt_out) {
1674 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
1675 } else {
1676 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
1677 }
1678
1679 if (rme9652->control_register & RME9652_PRO) {
1680 snd_iprintf(buffer, "IEC958 quality: Professional\n");
1681 } else {
1682 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
1683 }
1684
1685 if (rme9652->control_register & RME9652_EMP) {
1686 snd_iprintf(buffer, "IEC958 emphasis: on\n");
1687 } else {
1688 snd_iprintf(buffer, "IEC958 emphasis: off\n");
1689 }
1690
1691 if (rme9652->control_register & RME9652_Dolby) {
1692 snd_iprintf(buffer, "IEC958 Dolby: on\n");
1693 } else {
1694 snd_iprintf(buffer, "IEC958 Dolby: off\n");
1695 }
1696
1697 i = rme9652_spdif_sample_rate(rme9652);
1698
1699 if (i < 0) {
1700 snd_iprintf(buffer,
1701 "IEC958 sample rate: error flag set\n");
1702 } else if (i == 0) {
1703 snd_iprintf(buffer, "IEC958 sample rate: undetermined\n");
1704 } else {
1705 snd_iprintf(buffer, "IEC958 sample rate: %d\n", i);
1706 }
1707
1708 snd_iprintf(buffer, "\n");
1709
1710 snd_iprintf(buffer, "ADAT Sample rate: %dHz\n",
1711 rme9652_adat_sample_rate(rme9652));
1712
1713 /* Sync Check */
1714
1715 x = status & RME9652_sync_0;
1716 if (status & RME9652_lock_0) {
1717 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
1718 } else {
1719 snd_iprintf(buffer, "ADAT1: No Lock\n");
1720 }
1721
1722 x = status & RME9652_sync_1;
1723 if (status & RME9652_lock_1) {
1724 snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
1725 } else {
1726 snd_iprintf(buffer, "ADAT2: No Lock\n");
1727 }
1728
1729 x = status & RME9652_sync_2;
1730 if (status & RME9652_lock_2) {
1731 snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
1732 } else {
1733 snd_iprintf(buffer, "ADAT3: No Lock\n");
1734 }
1735
1736 snd_iprintf(buffer, "\n");
1737
1738 snd_iprintf(buffer, "Timecode signal: %s\n",
1739 (status & RME9652_tc_valid) ? "yes" : "no");
1740
1741 /* thru modes */
1742
1743 snd_iprintf(buffer, "Punch Status:\n\n");
1744
1745 for (i = 0; i < rme9652->ss_channels; i++) {
1746 if (thru_bits & (1 << i)) {
1747 snd_iprintf(buffer, "%2d: on ", i + 1);
1748 } else {
1749 snd_iprintf(buffer, "%2d: off ", i + 1);
1750 }
1751
1752 if (((i + 1) % 8) == 0) {
1753 snd_iprintf(buffer, "\n");
1754 }
1755 }
1756
1757 snd_iprintf(buffer, "\n");
1758 }
1759
1760 static void __devinit snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
1761 {
1762 struct snd_info_entry *entry;
1763
1764 if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
1765 snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
1766 }
1767
1768 static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
1769 {
1770 snd_hammerfall_free_buffer(&rme9652->capture_dma_buf, rme9652->pci);
1771 snd_hammerfall_free_buffer(&rme9652->playback_dma_buf, rme9652->pci);
1772 }
1773
1774 static int snd_rme9652_free(struct snd_rme9652 *rme9652)
1775 {
1776 if (rme9652->irq >= 0)
1777 rme9652_stop(rme9652);
1778 snd_rme9652_free_buffers(rme9652);
1779
1780 if (rme9652->irq >= 0)
1781 free_irq(rme9652->irq, (void *)rme9652);
1782 if (rme9652->iobase)
1783 iounmap(rme9652->iobase);
1784 if (rme9652->port)
1785 pci_release_regions(rme9652->pci);
1786
1787 pci_disable_device(rme9652->pci);
1788 return 0;
1789 }
1790
1791 static int __devinit snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
1792 {
1793 unsigned long pb_bus, cb_bus;
1794
1795 if (snd_hammerfall_get_buffer(rme9652->pci, &rme9652->capture_dma_buf, RME9652_DMA_AREA_BYTES) < 0 ||
1796 snd_hammerfall_get_buffer(rme9652->pci, &rme9652->playback_dma_buf, RME9652_DMA_AREA_BYTES) < 0) {
1797 if (rme9652->capture_dma_buf.area)
1798 snd_dma_free_pages(&rme9652->capture_dma_buf);
1799 printk(KERN_ERR "%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 __devinit 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 __devinit 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 snd_printk(KERN_ERR "unable to remap region 0x%lx-0x%lx\n", rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1);
2478 return -EBUSY;
2479 }
2480
2481 if (request_irq(pci->irq, snd_rme9652_interrupt, IRQF_SHARED,
2482 KBUILD_MODNAME, rme9652)) {
2483 snd_printk(KERN_ERR "unable to request IRQ %d\n", pci->irq);
2484 return -EBUSY;
2485 }
2486 rme9652->irq = pci->irq;
2487 rme9652->precise_ptr = precise_ptr;
2488
2489 /* Determine the h/w rev level of the card. This seems like
2490 a particularly kludgy way to encode it, but its what RME
2491 chose to do, so we follow them ...
2492 */
2493
2494 status = rme9652_read(rme9652, RME9652_status_register);
2495 if (rme9652_decode_spdif_rate(status&RME9652_F) == 1) {
2496 rme9652->hw_rev = 15;
2497 } else {
2498 rme9652->hw_rev = 11;
2499 }
2500
2501 /* Differentiate between the standard Hammerfall, and the
2502 "Light", which does not have the expansion board. This
2503 method comes from information received from Mathhias
2504 Clausen at RME. Display the EEPROM and h/w revID where
2505 relevant.
2506 */
2507
2508 switch (rev) {
2509 case 8: /* original eprom */
2510 strcpy(card->driver, "RME9636");
2511 if (rme9652->hw_rev == 15) {
2512 rme9652->card_name = "RME Digi9636 (Rev 1.5)";
2513 } else {
2514 rme9652->card_name = "RME Digi9636";
2515 }
2516 rme9652->ss_channels = RME9636_NCHANNELS;
2517 break;
2518 case 9: /* W36_G EPROM */
2519 strcpy(card->driver, "RME9636");
2520 rme9652->card_name = "RME Digi9636 (Rev G)";
2521 rme9652->ss_channels = RME9636_NCHANNELS;
2522 break;
2523 case 4: /* W52_G EPROM */
2524 strcpy(card->driver, "RME9652");
2525 rme9652->card_name = "RME Digi9652 (Rev G)";
2526 rme9652->ss_channels = RME9652_NCHANNELS;
2527 break;
2528 case 3: /* original eprom */
2529 strcpy(card->driver, "RME9652");
2530 if (rme9652->hw_rev == 15) {
2531 rme9652->card_name = "RME Digi9652 (Rev 1.5)";
2532 } else {
2533 rme9652->card_name = "RME Digi9652";
2534 }
2535 rme9652->ss_channels = RME9652_NCHANNELS;
2536 break;
2537 }
2538
2539 rme9652->ds_channels = (rme9652->ss_channels - 2) / 2 + 2;
2540
2541 pci_set_master(rme9652->pci);
2542
2543 if ((err = snd_rme9652_initialize_memory(rme9652)) < 0) {
2544 return err;
2545 }
2546
2547 if ((err = snd_rme9652_create_pcm(card, rme9652)) < 0) {
2548 return err;
2549 }
2550
2551 if ((err = snd_rme9652_create_controls(card, rme9652)) < 0) {
2552 return err;
2553 }
2554
2555 snd_rme9652_proc_init(rme9652);
2556
2557 rme9652->last_spdif_sample_rate = -1;
2558 rme9652->last_adat_sample_rate = -1;
2559 rme9652->playback_pid = -1;
2560 rme9652->capture_pid = -1;
2561 rme9652->capture_substream = NULL;
2562 rme9652->playback_substream = NULL;
2563
2564 snd_rme9652_set_defaults(rme9652);
2565
2566 if (rme9652->hw_rev == 15) {
2567 rme9652_initialize_spdif_receiver (rme9652);
2568 }
2569
2570 return 0;
2571 }
2572
2573 static void snd_rme9652_card_free(struct snd_card *card)
2574 {
2575 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) card->private_data;
2576
2577 if (rme9652)
2578 snd_rme9652_free(rme9652);
2579 }
2580
2581 static int __devinit snd_rme9652_probe(struct pci_dev *pci,
2582 const struct pci_device_id *pci_id)
2583 {
2584 static int dev;
2585 struct snd_rme9652 *rme9652;
2586 struct snd_card *card;
2587 int err;
2588
2589 if (dev >= SNDRV_CARDS)
2590 return -ENODEV;
2591 if (!enable[dev]) {
2592 dev++;
2593 return -ENOENT;
2594 }
2595
2596 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
2597 sizeof(struct snd_rme9652), &card);
2598
2599 if (err < 0)
2600 return err;
2601
2602 rme9652 = (struct snd_rme9652 *) card->private_data;
2603 card->private_free = snd_rme9652_card_free;
2604 rme9652->dev = dev;
2605 rme9652->pci = pci;
2606 snd_card_set_dev(card, &pci->dev);
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 __devexit snd_rme9652_remove(struct pci_dev *pci)
2629 {
2630 snd_card_free(pci_get_drvdata(pci));
2631 pci_set_drvdata(pci, NULL);
2632 }
2633
2634 static struct pci_driver driver = {
2635 .name = KBUILD_MODNAME,
2636 .id_table = snd_rme9652_ids,
2637 .probe = snd_rme9652_probe,
2638 .remove = __devexit_p(snd_rme9652_remove),
2639 };
2640
2641 static int __init alsa_card_hammerfall_init(void)
2642 {
2643 return pci_register_driver(&driver);
2644 }
2645
2646 static void __exit alsa_card_hammerfall_exit(void)
2647 {
2648 pci_unregister_driver(&driver);
2649 }
2650
2651 module_init(alsa_card_hammerfall_init)
2652 module_exit(alsa_card_hammerfall_exit)
Linux Btrfs Development