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close_port, kpacket_gen kmalloc oom, formard.c wake_sender/skb receive oom handling...
[cor_2_6_31.git] / sound / pci / rme9652 / rme9652.c
blobbc539abb210582c01797a4115916e00088f3be92
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/slab.h>
28 #include <linux/moduleparam.h>
29
30 #include <sound/core.h>
31 #include <sound/control.h>
32 #include <sound/pcm.h>
33 #include <sound/info.h>
34 #include <sound/asoundef.h>
35 #include <sound/initval.h>
36
37 #include <asm/current.h>
38 #include <asm/io.h>
39
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
43 static int precise_ptr[SNDRV_CARDS]; /* Enable precise pointer */
44
45 module_param_array(index, int, NULL, 0444);
46 MODULE_PARM_DESC(index, "Index value for RME Digi9652 (Hammerfall) soundcard.");
47 module_param_array(id, charp, NULL, 0444);
48 MODULE_PARM_DESC(id, "ID string for RME Digi9652 (Hammerfall) soundcard.");
49 module_param_array(enable, bool, NULL, 0444);
50 MODULE_PARM_DESC(enable, "Enable/disable specific RME96{52,36} soundcards.");
51 module_param_array(precise_ptr, bool, NULL, 0444);
52 MODULE_PARM_DESC(precise_ptr, "Enable precise pointer (doesn't work reliably).");
53 MODULE_AUTHOR("Paul Davis <pbd@op.net>, Winfried Ritsch");
54 MODULE_DESCRIPTION("RME Digi9652/Digi9636");
55 MODULE_LICENSE("GPL");
56 MODULE_SUPPORTED_DEVICE("{{RME,Hammerfall},"
57 "{RME,Hammerfall-Light}}");
58
59 /* The Hammerfall has two sets of 24 ADAT + 2 S/PDIF channels, one for
60 capture, one for playback. Both the ADAT and S/PDIF channels appear
61 to the host CPU in the same block of memory. There is no functional
62 difference between them in terms of access.
63
64 The Hammerfall Light is identical to the Hammerfall, except that it
65 has 2 sets 18 channels (16 ADAT + 2 S/PDIF) for capture and playback.
66 */
67
68 #define RME9652_NCHANNELS 26
69 #define RME9636_NCHANNELS 18
70
71 /* Preferred sync source choices - used by "sync_pref" control switch */
72
73 #define RME9652_SYNC_FROM_SPDIF 0
74 #define RME9652_SYNC_FROM_ADAT1 1
75 #define RME9652_SYNC_FROM_ADAT2 2
76 #define RME9652_SYNC_FROM_ADAT3 3
77
78 /* Possible sources of S/PDIF input */
79
80 #define RME9652_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
81 #define RME9652_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
82 #define RME9652_SPDIFIN_INTERN 2 /* internal (CDROM) */
83
84 /* ------------- Status-Register bits --------------------- */
85
86 #define RME9652_IRQ (1<<0) /* IRQ is High if not reset by irq_clear */
87 #define RME9652_lock_2 (1<<1) /* ADAT 3-PLL: 1=locked, 0=unlocked */
88 #define RME9652_lock_1 (1<<2) /* ADAT 2-PLL: 1=locked, 0=unlocked */
89 #define RME9652_lock_0 (1<<3) /* ADAT 1-PLL: 1=locked, 0=unlocked */
90 #define RME9652_fs48 (1<<4) /* sample rate is 0=44.1/88.2,1=48/96 Khz */
91 #define RME9652_wsel_rd (1<<5) /* if Word-Clock is used and valid then 1 */
92 /* bits 6-15 encode h/w buffer pointer position */
93 #define RME9652_sync_2 (1<<16) /* if ADAT-IN 3 in sync to system clock */
94 #define RME9652_sync_1 (1<<17) /* if ADAT-IN 2 in sync to system clock */
95 #define RME9652_sync_0 (1<<18) /* if ADAT-IN 1 in sync to system clock */
96 #define RME9652_DS_rd (1<<19) /* 1=Double Speed Mode, 0=Normal Speed */
97 #define RME9652_tc_busy (1<<20) /* 1=time-code copy in progress (960ms) */
98 #define RME9652_tc_out (1<<21) /* time-code out bit */
99 #define RME9652_F_0 (1<<22) /* 000=64kHz, 100=88.2kHz, 011=96kHz */
100 #define RME9652_F_1 (1<<23) /* 111=32kHz, 110=44.1kHz, 101=48kHz, */
101 #define RME9652_F_2 (1<<24) /* external Crystal Chip if ERF=1 */
102 #define RME9652_ERF (1<<25) /* Error-Flag of SDPIF Receiver (1=No Lock) */
103 #define RME9652_buffer_id (1<<26) /* toggles by each interrupt on rec/play */
104 #define RME9652_tc_valid (1<<27) /* 1 = a signal is detected on time-code input */
105 #define RME9652_SPDIF_READ (1<<28) /* byte available from Rev 1.5+ S/PDIF interface */
106
107 #define RME9652_sync (RME9652_sync_0|RME9652_sync_1|RME9652_sync_2)
108 #define RME9652_lock (RME9652_lock_0|RME9652_lock_1|RME9652_lock_2)
109 #define RME9652_F (RME9652_F_0|RME9652_F_1|RME9652_F_2)
110 #define rme9652_decode_spdif_rate(x) ((x)>>22)
111
112 /* Bit 6..15 : h/w buffer pointer */
113
114 #define RME9652_buf_pos 0x000FFC0
115
116 /* Bits 31,30,29 are bits 5,4,3 of h/w pointer position on later
117 Rev G EEPROMS and Rev 1.5 cards or later.
118 */
119
120 #define RME9652_REV15_buf_pos(x) ((((x)&0xE0000000)>>26)|((x)&RME9652_buf_pos))
121
122 /* amount of io space we remap for register access. i'm not sure we
123 even need this much, but 1K is nice round number :)
124 */
125
126 #define RME9652_IO_EXTENT 1024
127
128 #define RME9652_init_buffer 0
129 #define RME9652_play_buffer 32 /* holds ptr to 26x64kBit host RAM */
130 #define RME9652_rec_buffer 36 /* holds ptr to 26x64kBit host RAM */
131 #define RME9652_control_register 64
132 #define RME9652_irq_clear 96
133 #define RME9652_time_code 100 /* useful if used with alesis adat */
134 #define RME9652_thru_base 128 /* 132...228 Thru for 26 channels */
135
136 /* Read-only registers */
137
138 /* Writing to any of the register locations writes to the status
139 register. We'll use the first location as our point of access.
140 */
141
142 #define RME9652_status_register 0
143
144 /* --------- Control-Register Bits ---------------- */
145
146
147 #define RME9652_start_bit (1<<0) /* start record/play */
148 /* bits 1-3 encode buffersize/latency */
149 #define RME9652_Master (1<<4) /* Clock Mode Master=1,Slave/Auto=0 */
150 #define RME9652_IE (1<<5) /* Interrupt Enable */
151 #define RME9652_freq (1<<6) /* samplerate 0=44.1/88.2, 1=48/96 kHz */
152 #define RME9652_freq1 (1<<7) /* if 0, 32kHz, else always 1 */
153 #define RME9652_DS (1<<8) /* Doule Speed 0=44.1/48, 1=88.2/96 Khz */
154 #define RME9652_PRO (1<<9) /* S/PDIF out: 0=consumer, 1=professional */
155 #define RME9652_EMP (1<<10) /* Emphasis 0=None, 1=ON */
156 #define RME9652_Dolby (1<<11) /* Non-audio bit 1=set, 0=unset */
157 #define RME9652_opt_out (1<<12) /* Use 1st optical OUT as SPDIF: 1=yes,0=no */
158 #define RME9652_wsel (1<<13) /* use Wordclock as sync (overwrites master) */
159 #define RME9652_inp_0 (1<<14) /* SPDIF-IN: 00=optical (ADAT1), */
160 #define RME9652_inp_1 (1<<15) /* 01=koaxial (Cinch), 10=Internal CDROM */
161 #define RME9652_SyncPref_ADAT2 (1<<16)
162 #define RME9652_SyncPref_ADAT3 (1<<17)
163 #define RME9652_SPDIF_RESET (1<<18) /* Rev 1.5+: h/w S/PDIF receiver */
164 #define RME9652_SPDIF_SELECT (1<<19)
165 #define RME9652_SPDIF_CLOCK (1<<20)
166 #define RME9652_SPDIF_WRITE (1<<21)
167 #define RME9652_ADAT1_INTERNAL (1<<22) /* Rev 1.5+: if set, internal CD connector carries ADAT */
168
169 /* buffersize = 512Bytes * 2^n, where n is made from Bit2 ... Bit0 */
170
171 #define RME9652_latency 0x0e
172 #define rme9652_encode_latency(x) (((x)&0x7)<<1)
173 #define rme9652_decode_latency(x) (((x)>>1)&0x7)
174 #define rme9652_running_double_speed(s) ((s)->control_register & RME9652_DS)
175 #define RME9652_inp (RME9652_inp_0|RME9652_inp_1)
176 #define rme9652_encode_spdif_in(x) (((x)&0x3)<<14)
177 #define rme9652_decode_spdif_in(x) (((x)>>14)&0x3)
178
179 #define RME9652_SyncPref_Mask (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
180 #define RME9652_SyncPref_ADAT1 0
181 #define RME9652_SyncPref_SPDIF (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
182
183 /* the size of a substream (1 mono data stream) */
184
185 #define RME9652_CHANNEL_BUFFER_SAMPLES (16*1024)
186 #define RME9652_CHANNEL_BUFFER_BYTES (4*RME9652_CHANNEL_BUFFER_SAMPLES)
187
188 /* the size of the area we need to allocate for DMA transfers. the
189 size is the same regardless of the number of channels - the
190 9636 still uses the same memory area.
191
192 Note that we allocate 1 more channel than is apparently needed
193 because the h/w seems to write 1 byte beyond the end of the last
194 page. Sigh.
195 */
196
197 #define RME9652_DMA_AREA_BYTES ((RME9652_NCHANNELS+1) * RME9652_CHANNEL_BUFFER_BYTES)
198 #define RME9652_DMA_AREA_KILOBYTES (RME9652_DMA_AREA_BYTES/1024)
199
200 struct snd_rme9652 {
201 int dev;
202
203 spinlock_t lock;
204 int irq;
205 unsigned long port;
206 void __iomem *iobase;
207
208 int precise_ptr;
209
210 u32 control_register; /* cached value */
211 u32 thru_bits; /* thru 1=on, 0=off channel 1=Bit1... channel 26= Bit26 */
212
213 u32 creg_spdif;
214 u32 creg_spdif_stream;
215
216 char *card_name; /* hammerfall or hammerfall light names */
217
218 size_t hw_offsetmask; /* &-with status register to get real hw_offset */
219 size_t prev_hw_offset; /* previous hw offset */
220 size_t max_jitter; /* maximum jitter in frames for
221 hw pointer */
222 size_t period_bytes; /* guess what this is */
223
224 unsigned char ds_channels;
225 unsigned char ss_channels; /* different for hammerfall/hammerfall-light */
226
227 struct snd_dma_buffer playback_dma_buf;
228 struct snd_dma_buffer capture_dma_buf;
229
230 unsigned char *capture_buffer; /* suitably aligned address */
231 unsigned char *playback_buffer; /* suitably aligned address */
232
233 pid_t capture_pid;
234 pid_t playback_pid;
235
236 struct snd_pcm_substream *capture_substream;
237 struct snd_pcm_substream *playback_substream;
238 int running;
239
240 int passthru; /* non-zero if doing pass-thru */
241 int hw_rev; /* h/w rev * 10 (i.e. 1.5 has hw_rev = 15) */
242
243 int last_spdif_sample_rate; /* so that we can catch externally ... */
244 int last_adat_sample_rate; /* ... induced rate changes */
245
246 char *channel_map;
247
248 struct snd_card *card;
249 struct snd_pcm *pcm;
250 struct pci_dev *pci;
251 struct snd_kcontrol *spdif_ctl;
252
253 };
254
255 /* These tables map the ALSA channels 1..N to the channels that we
256 need to use in order to find the relevant channel buffer. RME
257 refer to this kind of mapping as between "the ADAT channel and
258 the DMA channel." We index it using the logical audio channel,
259 and the value is the DMA channel (i.e. channel buffer number)
260 where the data for that channel can be read/written from/to.
261 */
262
263 static char channel_map_9652_ss[26] = {
264 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
265 18, 19, 20, 21, 22, 23, 24, 25
266 };
267
268 static char channel_map_9636_ss[26] = {
269 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
270 /* channels 16 and 17 are S/PDIF */
271 24, 25,
272 /* channels 18-25 don't exist */
273 -1, -1, -1, -1, -1, -1, -1, -1
274 };
275
276 static char channel_map_9652_ds[26] = {
277 /* ADAT channels are remapped */
278 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
279 /* channels 12 and 13 are S/PDIF */
280 24, 25,
281 /* others don't exist */
282 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
283 };
284
285 static char channel_map_9636_ds[26] = {
286 /* ADAT channels are remapped */
287 1, 3, 5, 7, 9, 11, 13, 15,
288 /* channels 8 and 9 are S/PDIF */
289 24, 25
290 /* others don't exist */
291 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
292 };
293
294 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
295 {
296 dmab->dev.type = SNDRV_DMA_TYPE_DEV;
297 dmab->dev.dev = snd_dma_pci_data(pci);
298 if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
299 if (dmab->bytes >= size)
300 return 0;
301 }
302 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
303 size, dmab) < 0)
304 return -ENOMEM;
305 return 0;
306 }
307
308 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
309 {
310 if (dmab->area) {
311 dmab->dev.dev = NULL; /* make it anonymous */
312 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
313 }
314 }
315
316
317 static struct pci_device_id snd_rme9652_ids[] = {
318 {
319 .vendor = 0x10ee,
320 .device = 0x3fc4,
321 .subvendor = PCI_ANY_ID,
322 .subdevice = PCI_ANY_ID,
323 }, /* RME Digi9652 */
324 { 0, },
325 };
326
327 MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
328
329 static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
330 {
331 writel(val, rme9652->iobase + reg);
332 }
333
334 static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
335 {
336 return readl(rme9652->iobase + reg);
337 }
338
339 static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
340 {
341 unsigned long flags;
342 int ret = 1;
343
344 spin_lock_irqsave(&rme9652->lock, flags);
345 if ((rme9652->playback_pid != rme9652->capture_pid) &&
346 (rme9652->playback_pid >= 0) && (rme9652->capture_pid >= 0)) {
347 ret = 0;
348 }
349 spin_unlock_irqrestore(&rme9652->lock, flags);
350 return ret;
351 }
352
353 static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
354 {
355 if (rme9652_running_double_speed(rme9652)) {
356 return (rme9652_read(rme9652, RME9652_status_register) &
357 RME9652_fs48) ? 96000 : 88200;
358 } else {
359 return (rme9652_read(rme9652, RME9652_status_register) &
360 RME9652_fs48) ? 48000 : 44100;
361 }
362 }
363
364 static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
365 {
366 unsigned int i;
367
368 i = rme9652->control_register & RME9652_latency;
369 rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8));
370 rme9652->hw_offsetmask =
371 (rme9652->period_bytes * 2 - 1) & RME9652_buf_pos;
372 rme9652->max_jitter = 80;
373 }
374
375 static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
376 {
377 int status;
378 unsigned int offset, frag;
379 snd_pcm_uframes_t period_size = rme9652->period_bytes / 4;
380 snd_pcm_sframes_t delta;
381
382 status = rme9652_read(rme9652, RME9652_status_register);
383 if (!rme9652->precise_ptr)
384 return (status & RME9652_buffer_id) ? period_size : 0;
385 offset = status & RME9652_buf_pos;
386
387 /* The hardware may give a backward movement for up to 80 frames
388 Martin Kirst <martin.kirst@freenet.de> knows the details.
389 */
390
391 delta = rme9652->prev_hw_offset - offset;
392 delta &= 0xffff;
393 if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4)
394 offset = rme9652->prev_hw_offset;
395 else
396 rme9652->prev_hw_offset = offset;
397 offset &= rme9652->hw_offsetmask;
398 offset /= 4;
399 frag = status & RME9652_buffer_id;
400
401 if (offset < period_size) {
402 if (offset > rme9652->max_jitter) {
403 if (frag)
404 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n", status, offset);
405 } else if (!frag)
406 return 0;
407 offset -= rme9652->max_jitter;
408 if ((int)offset < 0)
409 offset += period_size * 2;
410 } else {
411 if (offset > period_size + rme9652->max_jitter) {
412 if (!frag)
413 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n", status, offset);
414 } else if (frag)
415 return period_size;
416 offset -= rme9652->max_jitter;
417 }
418
419 return offset;
420 }
421
422 static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
423 {
424 int i;
425
426 /* reset the FIFO pointer to zero. We do this by writing to 8
427 registers, each of which is a 32bit wide register, and set
428 them all to zero. Note that s->iobase is a pointer to
429 int32, not pointer to char.
430 */
431
432 for (i = 0; i < 8; i++) {
433 rme9652_write(rme9652, i * 4, 0);
434 udelay(10);
435 }
436 rme9652->prev_hw_offset = 0;
437 }
438
439 static inline void rme9652_start(struct snd_rme9652 *s)
440 {
441 s->control_register |= (RME9652_IE | RME9652_start_bit);
442 rme9652_write(s, RME9652_control_register, s->control_register);
443 }
444
445 static inline void rme9652_stop(struct snd_rme9652 *s)
446 {
447 s->control_register &= ~(RME9652_start_bit | RME9652_IE);
448 rme9652_write(s, RME9652_control_register, s->control_register);
449 }
450
451 static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
452 unsigned int frames)
453 {
454 int restart = 0;
455 int n;
456
457 spin_lock_irq(&s->lock);
458
459 if ((restart = s->running)) {
460 rme9652_stop(s);
461 }
462
463 frames >>= 7;
464 n = 0;
465 while (frames) {
466 n++;
467 frames >>= 1;
468 }
469
470 s->control_register &= ~RME9652_latency;
471 s->control_register |= rme9652_encode_latency(n);
472
473 rme9652_write(s, RME9652_control_register, s->control_register);
474
475 rme9652_compute_period_size(s);
476
477 if (restart)
478 rme9652_start(s);
479
480 spin_unlock_irq(&s->lock);
481
482 return 0;
483 }
484
485 static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
486 {
487 int restart;
488 int reject_if_open = 0;
489 int xrate;
490
491 if (!snd_rme9652_use_is_exclusive (rme9652)) {
492 return -EBUSY;
493 }
494
495 /* Changing from a "single speed" to a "double speed" rate is
496 not allowed if any substreams are open. This is because
497 such a change causes a shift in the location of
498 the DMA buffers and a reduction in the number of available
499 buffers.
500
501 Note that a similar but essentially insoluble problem
502 exists for externally-driven rate changes. All we can do
503 is to flag rate changes in the read/write routines.
504 */
505
506 spin_lock_irq(&rme9652->lock);
507 xrate = rme9652_adat_sample_rate(rme9652);
508
509 switch (rate) {
510 case 44100:
511 if (xrate > 48000) {
512 reject_if_open = 1;
513 }
514 rate = 0;
515 break;
516 case 48000:
517 if (xrate > 48000) {
518 reject_if_open = 1;
519 }
520 rate = RME9652_freq;
521 break;
522 case 88200:
523 if (xrate < 48000) {
524 reject_if_open = 1;
525 }
526 rate = RME9652_DS;
527 break;
528 case 96000:
529 if (xrate < 48000) {
530 reject_if_open = 1;
531 }
532 rate = RME9652_DS | RME9652_freq;
533 break;
534 default:
535 spin_unlock_irq(&rme9652->lock);
536 return -EINVAL;
537 }
538
539 if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0)) {
540 spin_unlock_irq(&rme9652->lock);
541 return -EBUSY;
542 }
543
544 if ((restart = rme9652->running)) {
545 rme9652_stop(rme9652);
546 }
547 rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
548 rme9652->control_register |= rate;
549 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
550
551 if (restart) {
552 rme9652_start(rme9652);
553 }
554
555 if (rate & RME9652_DS) {
556 if (rme9652->ss_channels == RME9652_NCHANNELS) {
557 rme9652->channel_map = channel_map_9652_ds;
558 } else {
559 rme9652->channel_map = channel_map_9636_ds;
560 }
561 } else {
562 if (rme9652->ss_channels == RME9652_NCHANNELS) {
563 rme9652->channel_map = channel_map_9652_ss;
564 } else {
565 rme9652->channel_map = channel_map_9636_ss;
566 }
567 }
568
569 spin_unlock_irq(&rme9652->lock);
570 return 0;
571 }
572
573 static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
574 {
575 int i;
576
577 rme9652->passthru = 0;
578
579 if (channel < 0) {
580
581 /* set thru for all channels */
582
583 if (enable) {
584 for (i = 0; i < RME9652_NCHANNELS; i++) {
585 rme9652->thru_bits |= (1 << i);
586 rme9652_write(rme9652, RME9652_thru_base + i * 4, 1);
587 }
588 } else {
589 for (i = 0; i < RME9652_NCHANNELS; i++) {
590 rme9652->thru_bits &= ~(1 << i);
591 rme9652_write(rme9652, RME9652_thru_base + i * 4, 0);
592 }
593 }
594
595 } else {
596 int mapped_channel;
597
598 mapped_channel = rme9652->channel_map[channel];
599
600 if (enable) {
601 rme9652->thru_bits |= (1 << mapped_channel);
602 } else {
603 rme9652->thru_bits &= ~(1 << mapped_channel);
604 }
605
606 rme9652_write(rme9652,
607 RME9652_thru_base + mapped_channel * 4,
608 enable ? 1 : 0);
609 }
610 }
611
612 static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
613 {
614 if (onoff) {
615 rme9652_set_thru(rme9652, -1, 1);
616
617 /* we don't want interrupts, so do a
618 custom version of rme9652_start().
619 */
620
621 rme9652->control_register =
622 RME9652_inp_0 |
623 rme9652_encode_latency(7) |
624 RME9652_start_bit;
625
626 rme9652_reset_hw_pointer(rme9652);
627
628 rme9652_write(rme9652, RME9652_control_register,
629 rme9652->control_register);
630 rme9652->passthru = 1;
631 } else {
632 rme9652_set_thru(rme9652, -1, 0);
633 rme9652_stop(rme9652);
634 rme9652->passthru = 0;
635 }
636
637 return 0;
638 }
639
640 static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
641 {
642 if (onoff)
643 rme9652->control_register |= mask;
644 else
645 rme9652->control_register &= ~mask;
646
647 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
648 }
649
650 static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
651 {
652 long mask;
653 long i;
654
655 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
656 if (val & mask)
657 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1);
658 else
659 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0);
660
661 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
662 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
663 }
664 }
665
666 static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
667 {
668 long mask;
669 long val;
670 long i;
671
672 val = 0;
673
674 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
675 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
676 if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
677 val |= mask;
678 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
679 }
680
681 return val;
682 }
683
684 static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
685 {
686 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
687 rme9652_spdif_write_byte (rme9652, 0x20);
688 rme9652_spdif_write_byte (rme9652, address);
689 rme9652_spdif_write_byte (rme9652, data);
690 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
691 }
692
693
694 static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
695 {
696 int ret;
697
698 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
699 rme9652_spdif_write_byte (rme9652, 0x20);
700 rme9652_spdif_write_byte (rme9652, address);
701 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
702 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
703
704 rme9652_spdif_write_byte (rme9652, 0x21);
705 ret = rme9652_spdif_read_byte (rme9652);
706 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
707
708 return ret;
709 }
710
711 static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
712 {
713 /* XXX what unsets this ? */
714
715 rme9652->control_register |= RME9652_SPDIF_RESET;
716
717 rme9652_write_spdif_codec (rme9652, 4, 0x40);
718 rme9652_write_spdif_codec (rme9652, 17, 0x13);
719 rme9652_write_spdif_codec (rme9652, 6, 0x02);
720 }
721
722 static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
723 {
724 unsigned int rate_bits;
725
726 if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
727 return -1; /* error condition */
728 }
729
730 if (s->hw_rev == 15) {
731
732 int x, y, ret;
733
734 x = rme9652_spdif_read_codec (s, 30);
735
736 if (x != 0)
737 y = 48000 * 64 / x;
738 else
739 y = 0;
740
741 if (y > 30400 && y < 33600) ret = 32000;
742 else if (y > 41900 && y < 46000) ret = 44100;
743 else if (y > 46000 && y < 50400) ret = 48000;
744 else if (y > 60800 && y < 67200) ret = 64000;
745 else if (y > 83700 && y < 92000) ret = 88200;
746 else if (y > 92000 && y < 100000) ret = 96000;
747 else ret = 0;
748 return ret;
749 }
750
751 rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
752
753 switch (rme9652_decode_spdif_rate(rate_bits)) {
754 case 0x7:
755 return 32000;
756 break;
757
758 case 0x6:
759 return 44100;
760 break;
761
762 case 0x5:
763 return 48000;
764 break;
765
766 case 0x4:
767 return 88200;
768 break;
769
770 case 0x3:
771 return 96000;
772 break;
773
774 case 0x0:
775 return 64000;
776 break;
777
778 default:
779 snd_printk(KERN_ERR "%s: unknown S/PDIF input rate (bits = 0x%x)\n",
780 s->card_name, rate_bits);
781 return 0;
782 break;
783 }
784 }
785
786 /*-----------------------------------------------------------------------------
787 Control Interface
788 ----------------------------------------------------------------------------*/
789
790 static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
791 {
792 u32 val = 0;
793 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0;
794 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0;
795 if (val & RME9652_PRO)
796 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0;
797 else
798 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0;
799 return val;
800 }
801
802 static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
803 {
804 aes->status[0] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
805 ((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0);
806 if (val & RME9652_PRO)
807 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
808 else
809 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
810 }
811
812 static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
813 {
814 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
815 uinfo->count = 1;
816 return 0;
817 }
818
819 static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
820 {
821 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
822
823 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
824 return 0;
825 }
826
827 static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
828 {
829 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
830 int change;
831 u32 val;
832
833 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
834 spin_lock_irq(&rme9652->lock);
835 change = val != rme9652->creg_spdif;
836 rme9652->creg_spdif = val;
837 spin_unlock_irq(&rme9652->lock);
838 return change;
839 }
840
841 static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
842 {
843 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
844 uinfo->count = 1;
845 return 0;
846 }
847
848 static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
849 {
850 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
851
852 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
853 return 0;
854 }
855
856 static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
857 {
858 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
859 int change;
860 u32 val;
861
862 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
863 spin_lock_irq(&rme9652->lock);
864 change = val != rme9652->creg_spdif_stream;
865 rme9652->creg_spdif_stream = val;
866 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
867 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
868 spin_unlock_irq(&rme9652->lock);
869 return change;
870 }
871
872 static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
873 {
874 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
875 uinfo->count = 1;
876 return 0;
877 }
878
879 static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
880 {
881 ucontrol->value.iec958.status[0] = kcontrol->private_value;
882 return 0;
883 }
884
885 #define RME9652_ADAT1_IN(xname, xindex) \
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
887 .info = snd_rme9652_info_adat1_in, \
888 .get = snd_rme9652_get_adat1_in, \
889 .put = snd_rme9652_put_adat1_in }
890
891 static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
892 {
893 if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
894 return 1;
895 return 0;
896 }
897
898 static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
899 {
900 int restart = 0;
901
902 if (internal) {
903 rme9652->control_register |= RME9652_ADAT1_INTERNAL;
904 } else {
905 rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
906 }
907
908 /* XXX do we actually need to stop the card when we do this ? */
909
910 if ((restart = rme9652->running)) {
911 rme9652_stop(rme9652);
912 }
913
914 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
915
916 if (restart) {
917 rme9652_start(rme9652);
918 }
919
920 return 0;
921 }
922
923 static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
924 {
925 static char *texts[2] = {"ADAT1", "Internal"};
926
927 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
928 uinfo->count = 1;
929 uinfo->value.enumerated.items = 2;
930 if (uinfo->value.enumerated.item > 1)
931 uinfo->value.enumerated.item = 1;
932 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
933 return 0;
934 }
935
936 static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
937 {
938 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
939
940 spin_lock_irq(&rme9652->lock);
941 ucontrol->value.enumerated.item[0] = rme9652_adat1_in(rme9652);
942 spin_unlock_irq(&rme9652->lock);
943 return 0;
944 }
945
946 static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
947 {
948 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
949 int change;
950 unsigned int val;
951
952 if (!snd_rme9652_use_is_exclusive(rme9652))
953 return -EBUSY;
954 val = ucontrol->value.enumerated.item[0] % 2;
955 spin_lock_irq(&rme9652->lock);
956 change = val != rme9652_adat1_in(rme9652);
957 if (change)
958 rme9652_set_adat1_input(rme9652, val);
959 spin_unlock_irq(&rme9652->lock);
960 return change;
961 }
962
963 #define RME9652_SPDIF_IN(xname, xindex) \
964 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
965 .info = snd_rme9652_info_spdif_in, \
966 .get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
967
968 static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
969 {
970 return rme9652_decode_spdif_in(rme9652->control_register &
971 RME9652_inp);
972 }
973
974 static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
975 {
976 int restart = 0;
977
978 rme9652->control_register &= ~RME9652_inp;
979 rme9652->control_register |= rme9652_encode_spdif_in(in);
980
981 if ((restart = rme9652->running)) {
982 rme9652_stop(rme9652);
983 }
984
985 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
986
987 if (restart) {
988 rme9652_start(rme9652);
989 }
990
991 return 0;
992 }
993
994 static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
995 {
996 static char *texts[3] = {"ADAT1", "Coaxial", "Internal"};
997
998 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
999 uinfo->count = 1;
1000 uinfo->value.enumerated.items = 3;
1001 if (uinfo->value.enumerated.item > 2)
1002 uinfo->value.enumerated.item = 2;
1003 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1004 return 0;
1005 }
1006
1007 static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1008 {
1009 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1010
1011 spin_lock_irq(&rme9652->lock);
1012 ucontrol->value.enumerated.item[0] = rme9652_spdif_in(rme9652);
1013 spin_unlock_irq(&rme9652->lock);
1014 return 0;
1015 }
1016
1017 static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1018 {
1019 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1020 int change;
1021 unsigned int val;
1022
1023 if (!snd_rme9652_use_is_exclusive(rme9652))
1024 return -EBUSY;
1025 val = ucontrol->value.enumerated.item[0] % 3;
1026 spin_lock_irq(&rme9652->lock);
1027 change = val != rme9652_spdif_in(rme9652);
1028 if (change)
1029 rme9652_set_spdif_input(rme9652, val);
1030 spin_unlock_irq(&rme9652->lock);
1031 return change;
1032 }
1033
1034 #define RME9652_SPDIF_OUT(xname, xindex) \
1035 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1036 .info = snd_rme9652_info_spdif_out, \
1037 .get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
1038
1039 static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
1040 {
1041 return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
1042 }
1043
1044 static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
1045 {
1046 int restart = 0;
1047
1048 if (out) {
1049 rme9652->control_register |= RME9652_opt_out;
1050 } else {
1051 rme9652->control_register &= ~RME9652_opt_out;
1052 }
1053
1054 if ((restart = rme9652->running)) {
1055 rme9652_stop(rme9652);
1056 }
1057
1058 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1059
1060 if (restart) {
1061 rme9652_start(rme9652);
1062 }
1063
1064 return 0;
1065 }
1066
1067 #define snd_rme9652_info_spdif_out snd_ctl_boolean_mono_info
1068
1069 static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1070 {
1071 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1072
1073 spin_lock_irq(&rme9652->lock);
1074 ucontrol->value.integer.value[0] = rme9652_spdif_out(rme9652);
1075 spin_unlock_irq(&rme9652->lock);
1076 return 0;
1077 }
1078
1079 static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1080 {
1081 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1082 int change;
1083 unsigned int val;
1084
1085 if (!snd_rme9652_use_is_exclusive(rme9652))
1086 return -EBUSY;
1087 val = ucontrol->value.integer.value[0] & 1;
1088 spin_lock_irq(&rme9652->lock);
1089 change = (int)val != rme9652_spdif_out(rme9652);
1090 rme9652_set_spdif_output(rme9652, val);
1091 spin_unlock_irq(&rme9652->lock);
1092 return change;
1093 }
1094
1095 #define RME9652_SYNC_MODE(xname, xindex) \
1096 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1097 .info = snd_rme9652_info_sync_mode, \
1098 .get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
1099
1100 static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
1101 {
1102 if (rme9652->control_register & RME9652_wsel) {
1103 return 2;
1104 } else if (rme9652->control_register & RME9652_Master) {
1105 return 1;
1106 } else {
1107 return 0;
1108 }
1109 }
1110
1111 static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
1112 {
1113 int restart = 0;
1114
1115 switch (mode) {
1116 case 0:
1117 rme9652->control_register &=
1118 ~(RME9652_Master | RME9652_wsel);
1119 break;
1120 case 1:
1121 rme9652->control_register =
1122 (rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
1123 break;
1124 case 2:
1125 rme9652->control_register |=
1126 (RME9652_Master | RME9652_wsel);
1127 break;
1128 }
1129
1130 if ((restart = rme9652->running)) {
1131 rme9652_stop(rme9652);
1132 }
1133
1134 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1135
1136 if (restart) {
1137 rme9652_start(rme9652);
1138 }
1139
1140 return 0;
1141 }
1142
1143 static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1144 {
1145 static char *texts[3] = {"AutoSync", "Master", "Word Clock"};
1146
1147 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1148 uinfo->count = 1;
1149 uinfo->value.enumerated.items = 3;
1150 if (uinfo->value.enumerated.item > 2)
1151 uinfo->value.enumerated.item = 2;
1152 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1153 return 0;
1154 }
1155
1156 static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1157 {
1158 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1159
1160 spin_lock_irq(&rme9652->lock);
1161 ucontrol->value.enumerated.item[0] = rme9652_sync_mode(rme9652);
1162 spin_unlock_irq(&rme9652->lock);
1163 return 0;
1164 }
1165
1166 static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1167 {
1168 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1169 int change;
1170 unsigned int val;
1171
1172 val = ucontrol->value.enumerated.item[0] % 3;
1173 spin_lock_irq(&rme9652->lock);
1174 change = (int)val != rme9652_sync_mode(rme9652);
1175 rme9652_set_sync_mode(rme9652, val);
1176 spin_unlock_irq(&rme9652->lock);
1177 return change;
1178 }
1179
1180 #define RME9652_SYNC_PREF(xname, xindex) \
1181 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1182 .info = snd_rme9652_info_sync_pref, \
1183 .get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
1184
1185 static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
1186 {
1187 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1188 case RME9652_SyncPref_ADAT1:
1189 return RME9652_SYNC_FROM_ADAT1;
1190 case RME9652_SyncPref_ADAT2:
1191 return RME9652_SYNC_FROM_ADAT2;
1192 case RME9652_SyncPref_ADAT3:
1193 return RME9652_SYNC_FROM_ADAT3;
1194 case RME9652_SyncPref_SPDIF:
1195 return RME9652_SYNC_FROM_SPDIF;
1196 }
1197 /* Not reachable */
1198 return 0;
1199 }
1200
1201 static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
1202 {
1203 int restart;
1204
1205 rme9652->control_register &= ~RME9652_SyncPref_Mask;
1206 switch (pref) {
1207 case RME9652_SYNC_FROM_ADAT1:
1208 rme9652->control_register |= RME9652_SyncPref_ADAT1;
1209 break;
1210 case RME9652_SYNC_FROM_ADAT2:
1211 rme9652->control_register |= RME9652_SyncPref_ADAT2;
1212 break;
1213 case RME9652_SYNC_FROM_ADAT3:
1214 rme9652->control_register |= RME9652_SyncPref_ADAT3;
1215 break;
1216 case RME9652_SYNC_FROM_SPDIF:
1217 rme9652->control_register |= RME9652_SyncPref_SPDIF;
1218 break;
1219 }
1220
1221 if ((restart = rme9652->running)) {
1222 rme9652_stop(rme9652);
1223 }
1224
1225 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1226
1227 if (restart) {
1228 rme9652_start(rme9652);
1229 }
1230
1231 return 0;
1232 }
1233
1234 static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1235 {
1236 static char *texts[4] = {"IEC958 In", "ADAT1 In", "ADAT2 In", "ADAT3 In"};
1237 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1238
1239 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1240 uinfo->count = 1;
1241 uinfo->value.enumerated.items = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1242 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1243 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1244 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1245 return 0;
1246 }
1247
1248 static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1249 {
1250 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1251
1252 spin_lock_irq(&rme9652->lock);
1253 ucontrol->value.enumerated.item[0] = rme9652_sync_pref(rme9652);
1254 spin_unlock_irq(&rme9652->lock);
1255 return 0;
1256 }
1257
1258 static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1259 {
1260 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1261 int change, max;
1262 unsigned int val;
1263
1264 if (!snd_rme9652_use_is_exclusive(rme9652))
1265 return -EBUSY;
1266 max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1267 val = ucontrol->value.enumerated.item[0] % max;
1268 spin_lock_irq(&rme9652->lock);
1269 change = (int)val != rme9652_sync_pref(rme9652);
1270 rme9652_set_sync_pref(rme9652, val);
1271 spin_unlock_irq(&rme9652->lock);
1272 return change;
1273 }
1274
1275 static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1276 {
1277 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1278 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1279 uinfo->count = rme9652->ss_channels;
1280 uinfo->value.integer.min = 0;
1281 uinfo->value.integer.max = 1;
1282 return 0;
1283 }
1284
1285 static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1286 {
1287 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1288 unsigned int k;
1289 u32 thru_bits = rme9652->thru_bits;
1290
1291 for (k = 0; k < rme9652->ss_channels; ++k) {
1292 ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
1293 }
1294 return 0;
1295 }
1296
1297 static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1298 {
1299 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1300 int change;
1301 unsigned int chn;
1302 u32 thru_bits = 0;
1303
1304 if (!snd_rme9652_use_is_exclusive(rme9652))
1305 return -EBUSY;
1306
1307 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1308 if (ucontrol->value.integer.value[chn])
1309 thru_bits |= 1 << chn;
1310 }
1311
1312 spin_lock_irq(&rme9652->lock);
1313 change = thru_bits ^ rme9652->thru_bits;
1314 if (change) {
1315 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1316 if (!(change & (1 << chn)))
1317 continue;
1318 rme9652_set_thru(rme9652,chn,thru_bits&(1<<chn));
1319 }
1320 }
1321 spin_unlock_irq(&rme9652->lock);
1322 return !!change;
1323 }
1324
1325 #define RME9652_PASSTHRU(xname, xindex) \
1326 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1327 .info = snd_rme9652_info_passthru, \
1328 .put = snd_rme9652_put_passthru, \
1329 .get = snd_rme9652_get_passthru }
1330
1331 #define snd_rme9652_info_passthru snd_ctl_boolean_mono_info
1332
1333 static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1334 {
1335 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1336
1337 spin_lock_irq(&rme9652->lock);
1338 ucontrol->value.integer.value[0] = rme9652->passthru;
1339 spin_unlock_irq(&rme9652->lock);
1340 return 0;
1341 }
1342
1343 static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1344 {
1345 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1346 int change;
1347 unsigned int val;
1348 int err = 0;
1349
1350 if (!snd_rme9652_use_is_exclusive(rme9652))
1351 return -EBUSY;
1352
1353 val = ucontrol->value.integer.value[0] & 1;
1354 spin_lock_irq(&rme9652->lock);
1355 change = (ucontrol->value.integer.value[0] != rme9652->passthru);
1356 if (change)
1357 err = rme9652_set_passthru(rme9652, val);
1358 spin_unlock_irq(&rme9652->lock);
1359 return err ? err : change;
1360 }
1361
1362 /* Read-only switches */
1363
1364 #define RME9652_SPDIF_RATE(xname, xindex) \
1365 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1366 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1367 .info = snd_rme9652_info_spdif_rate, \
1368 .get = snd_rme9652_get_spdif_rate }
1369
1370 static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1371 {
1372 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1373 uinfo->count = 1;
1374 uinfo->value.integer.min = 0;
1375 uinfo->value.integer.max = 96000;
1376 return 0;
1377 }
1378
1379 static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1380 {
1381 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1382
1383 spin_lock_irq(&rme9652->lock);
1384 ucontrol->value.integer.value[0] = rme9652_spdif_sample_rate(rme9652);
1385 spin_unlock_irq(&rme9652->lock);
1386 return 0;
1387 }
1388
1389 #define RME9652_ADAT_SYNC(xname, xindex, xidx) \
1390 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1391 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1392 .info = snd_rme9652_info_adat_sync, \
1393 .get = snd_rme9652_get_adat_sync, .private_value = xidx }
1394
1395 static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1396 {
1397 static char *texts[4] = {"No Lock", "Lock", "No Lock Sync", "Lock Sync"};
1398
1399 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1400 uinfo->count = 1;
1401 uinfo->value.enumerated.items = 4;
1402 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1403 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1404 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1405 return 0;
1406 }
1407
1408 static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1409 {
1410 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1411 unsigned int mask1, mask2, val;
1412
1413 switch (kcontrol->private_value) {
1414 case 0: mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break;
1415 case 1: mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break;
1416 case 2: mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break;
1417 default: return -EINVAL;
1418 }
1419 val = rme9652_read(rme9652, RME9652_status_register);
1420 ucontrol->value.enumerated.item[0] = (val & mask1) ? 1 : 0;
1421 ucontrol->value.enumerated.item[0] |= (val & mask2) ? 2 : 0;
1422 return 0;
1423 }
1424
1425 #define RME9652_TC_VALID(xname, xindex) \
1426 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1427 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1428 .info = snd_rme9652_info_tc_valid, \
1429 .get = snd_rme9652_get_tc_valid }
1430
1431 #define snd_rme9652_info_tc_valid snd_ctl_boolean_mono_info
1432
1433 static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1434 {
1435 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1436
1437 ucontrol->value.integer.value[0] =
1438 (rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0;
1439 return 0;
1440 }
1441
1442 #ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
1443
1444 /* FIXME: this routine needs a port to the new control API --jk */
1445
1446 static int snd_rme9652_get_tc_value(void *private_data,
1447 snd_kswitch_t *kswitch,
1448 snd_switch_t *uswitch)
1449 {
1450 struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
1451 u32 value;
1452 int i;
1453
1454 uswitch->type = SNDRV_SW_TYPE_DWORD;
1455
1456 if ((rme9652_read(s, RME9652_status_register) &
1457 RME9652_tc_valid) == 0) {
1458 uswitch->value.data32[0] = 0;
1459 return 0;
1460 }
1461
1462 /* timecode request */
1463
1464 rme9652_write(s, RME9652_time_code, 0);
1465
1466 /* XXX bug alert: loop-based timing !!!! */
1467
1468 for (i = 0; i < 50; i++) {
1469 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy))
1470 break;
1471 }
1472
1473 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy)) {
1474 return -EIO;
1475 }
1476
1477 value = 0;
1478
1479 for (i = 0; i < 32; i++) {
1480 value >>= 1;
1481
1482 if (rme9652_read(s, i * 4) & RME9652_tc_out)
1483 value |= 0x80000000;
1484 }
1485
1486 if (value > 2 * 60 * 48000) {
1487 value -= 2 * 60 * 48000;
1488 } else {
1489 value = 0;
1490 }
1491
1492 uswitch->value.data32[0] = value;
1493
1494 return 0;
1495 }
1496
1497 #endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
1498
1499 static struct snd_kcontrol_new snd_rme9652_controls[] = {
1500 {
1501 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1502 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1503 .info = snd_rme9652_control_spdif_info,
1504 .get = snd_rme9652_control_spdif_get,
1505 .put = snd_rme9652_control_spdif_put,
1506 },
1507 {
1508 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1509 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1510 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1511 .info = snd_rme9652_control_spdif_stream_info,
1512 .get = snd_rme9652_control_spdif_stream_get,
1513 .put = snd_rme9652_control_spdif_stream_put,
1514 },
1515 {
1516 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1517 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1518 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1519 .info = snd_rme9652_control_spdif_mask_info,
1520 .get = snd_rme9652_control_spdif_mask_get,
1521 .private_value = IEC958_AES0_NONAUDIO |
1522 IEC958_AES0_PROFESSIONAL |
1523 IEC958_AES0_CON_EMPHASIS,
1524 },
1525 {
1526 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1527 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1528 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1529 .info = snd_rme9652_control_spdif_mask_info,
1530 .get = snd_rme9652_control_spdif_mask_get,
1531 .private_value = IEC958_AES0_NONAUDIO |
1532 IEC958_AES0_PROFESSIONAL |
1533 IEC958_AES0_PRO_EMPHASIS,
1534 },
1535 RME9652_SPDIF_IN("IEC958 Input Connector", 0),
1536 RME9652_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
1537 RME9652_SYNC_MODE("Sync Mode", 0),
1538 RME9652_SYNC_PREF("Preferred Sync Source", 0),
1539 {
1540 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1541 .name = "Channels Thru",
1542 .index = 0,
1543 .info = snd_rme9652_info_thru,
1544 .get = snd_rme9652_get_thru,
1545 .put = snd_rme9652_put_thru,
1546 },
1547 RME9652_SPDIF_RATE("IEC958 Sample Rate", 0),
1548 RME9652_ADAT_SYNC("ADAT1 Sync Check", 0, 0),
1549 RME9652_ADAT_SYNC("ADAT2 Sync Check", 0, 1),
1550 RME9652_TC_VALID("Timecode Valid", 0),
1551 RME9652_PASSTHRU("Passthru", 0)
1552 };
1553
1554 static struct snd_kcontrol_new snd_rme9652_adat3_check =
1555 RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
1556
1557 static struct snd_kcontrol_new snd_rme9652_adat1_input =
1558 RME9652_ADAT1_IN("ADAT1 Input Source", 0);
1559
1560 static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
1561 {
1562 unsigned int idx;
1563 int err;
1564 struct snd_kcontrol *kctl;
1565
1566 for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
1567 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0)
1568 return err;
1569 if (idx == 1) /* IEC958 (S/PDIF) Stream */
1570 rme9652->spdif_ctl = kctl;
1571 }
1572
1573 if (rme9652->ss_channels == RME9652_NCHANNELS)
1574 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0)
1575 return err;
1576
1577 if (rme9652->hw_rev >= 15)
1578 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0)
1579 return err;
1580
1581 return 0;
1582 }
1583
1584 /*------------------------------------------------------------
1585 /proc interface
1586 ------------------------------------------------------------*/
1587
1588 static void
1589 snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1590 {
1591 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
1592 u32 thru_bits = rme9652->thru_bits;
1593 int show_auto_sync_source = 0;
1594 int i;
1595 unsigned int status;
1596 int x;
1597
1598 status = rme9652_read(rme9652, RME9652_status_register);
1599
1600 snd_iprintf(buffer, "%s (Card #%d)\n", rme9652->card_name, rme9652->card->number + 1);
1601 snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
1602 rme9652->capture_buffer, rme9652->playback_buffer);
1603 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
1604 rme9652->irq, rme9652->port, (unsigned long)rme9652->iobase);
1605 snd_iprintf(buffer, "Control register: %x\n", rme9652->control_register);
1606
1607 snd_iprintf(buffer, "\n");
1608
1609 x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
1610 RME9652_latency));
1611
1612 snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n",
1613 x, (unsigned long) rme9652->period_bytes);
1614 snd_iprintf(buffer, "Hardware pointer (frames): %ld\n",
1615 rme9652_hw_pointer(rme9652));
1616 snd_iprintf(buffer, "Passthru: %s\n",
1617 rme9652->passthru ? "yes" : "no");
1618
1619 if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0) {
1620 snd_iprintf(buffer, "Clock mode: autosync\n");
1621 show_auto_sync_source = 1;
1622 } else if (rme9652->control_register & RME9652_wsel) {
1623 if (status & RME9652_wsel_rd) {
1624 snd_iprintf(buffer, "Clock mode: word clock\n");
1625 } else {
1626 snd_iprintf(buffer, "Clock mode: word clock (no signal)\n");
1627 }
1628 } else {
1629 snd_iprintf(buffer, "Clock mode: master\n");
1630 }
1631
1632 if (show_auto_sync_source) {
1633 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1634 case RME9652_SyncPref_ADAT1:
1635 snd_iprintf(buffer, "Pref. sync source: ADAT1\n");
1636 break;
1637 case RME9652_SyncPref_ADAT2:
1638 snd_iprintf(buffer, "Pref. sync source: ADAT2\n");
1639 break;
1640 case RME9652_SyncPref_ADAT3:
1641 snd_iprintf(buffer, "Pref. sync source: ADAT3\n");
1642 break;
1643 case RME9652_SyncPref_SPDIF:
1644 snd_iprintf(buffer, "Pref. sync source: IEC958\n");
1645 break;
1646 default:
1647 snd_iprintf(buffer, "Pref. sync source: ???\n");
1648 }
1649 }
1650
1651 if (rme9652->hw_rev >= 15)
1652 snd_iprintf(buffer, "\nADAT1 Input source: %s\n",
1653 (rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
1654 "Internal" : "ADAT1 optical");
1655
1656 snd_iprintf(buffer, "\n");
1657
1658 switch (rme9652_decode_spdif_in(rme9652->control_register &
1659 RME9652_inp)) {
1660 case RME9652_SPDIFIN_OPTICAL:
1661 snd_iprintf(buffer, "IEC958 input: ADAT1\n");
1662 break;
1663 case RME9652_SPDIFIN_COAXIAL:
1664 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
1665 break;
1666 case RME9652_SPDIFIN_INTERN:
1667 snd_iprintf(buffer, "IEC958 input: Internal\n");
1668 break;
1669 default:
1670 snd_iprintf(buffer, "IEC958 input: ???\n");
1671 break;
1672 }
1673
1674 if (rme9652->control_register & RME9652_opt_out) {
1675 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
1676 } else {
1677 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
1678 }
1679
1680 if (rme9652->control_register & RME9652_PRO) {
1681 snd_iprintf(buffer, "IEC958 quality: Professional\n");
1682 } else {
1683 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
1684 }
1685
1686 if (rme9652->control_register & RME9652_EMP) {
1687 snd_iprintf(buffer, "IEC958 emphasis: on\n");
1688 } else {
1689 snd_iprintf(buffer, "IEC958 emphasis: off\n");
1690 }
1691
1692 if (rme9652->control_register & RME9652_Dolby) {
1693 snd_iprintf(buffer, "IEC958 Dolby: on\n");
1694 } else {
1695 snd_iprintf(buffer, "IEC958 Dolby: off\n");
1696 }
1697
1698 i = rme9652_spdif_sample_rate(rme9652);
1699
1700 if (i < 0) {
1701 snd_iprintf(buffer,
1702 "IEC958 sample rate: error flag set\n");
1703 } else if (i == 0) {
1704 snd_iprintf(buffer, "IEC958 sample rate: undetermined\n");
1705 } else {
1706 snd_iprintf(buffer, "IEC958 sample rate: %d\n", i);
1707 }
1708
1709 snd_iprintf(buffer, "\n");
1710
1711 snd_iprintf(buffer, "ADAT Sample rate: %dHz\n",
1712 rme9652_adat_sample_rate(rme9652));
1713
1714 /* Sync Check */
1715
1716 x = status & RME9652_sync_0;
1717 if (status & RME9652_lock_0) {
1718 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
1719 } else {
1720 snd_iprintf(buffer, "ADAT1: No Lock\n");
1721 }
1722
1723 x = status & RME9652_sync_1;
1724 if (status & RME9652_lock_1) {
1725 snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
1726 } else {
1727 snd_iprintf(buffer, "ADAT2: No Lock\n");
1728 }
1729
1730 x = status & RME9652_sync_2;
1731 if (status & RME9652_lock_2) {
1732 snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
1733 } else {
1734 snd_iprintf(buffer, "ADAT3: No Lock\n");
1735 }
1736
1737 snd_iprintf(buffer, "\n");
1738
1739 snd_iprintf(buffer, "Timecode signal: %s\n",
1740 (status & RME9652_tc_valid) ? "yes" : "no");
1741
1742 /* thru modes */
1743
1744 snd_iprintf(buffer, "Punch Status:\n\n");
1745
1746 for (i = 0; i < rme9652->ss_channels; i++) {
1747 if (thru_bits & (1 << i)) {
1748 snd_iprintf(buffer, "%2d: on ", i + 1);
1749 } else {
1750 snd_iprintf(buffer, "%2d: off ", i + 1);
1751 }
1752
1753 if (((i + 1) % 8) == 0) {
1754 snd_iprintf(buffer, "\n");
1755 }
1756 }
1757
1758 snd_iprintf(buffer, "\n");
1759 }
1760
1761 static void __devinit snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
1762 {
1763 struct snd_info_entry *entry;
1764
1765 if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
1766 snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
1767 }
1768
1769 static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
1770 {
1771 snd_hammerfall_free_buffer(&rme9652->capture_dma_buf, rme9652->pci);
1772 snd_hammerfall_free_buffer(&rme9652->playback_dma_buf, rme9652->pci);
1773 }
1774
1775 static int snd_rme9652_free(struct snd_rme9652 *rme9652)
1776 {
1777 if (rme9652->irq >= 0)
1778 rme9652_stop(rme9652);
1779 snd_rme9652_free_buffers(rme9652);
1780
1781 if (rme9652->irq >= 0)
1782 free_irq(rme9652->irq, (void *)rme9652);
1783 if (rme9652->iobase)
1784 iounmap(rme9652->iobase);
1785 if (rme9652->port)
1786 pci_release_regions(rme9652->pci);
1787
1788 pci_disable_device(rme9652->pci);
1789 return 0;
1790 }
1791
1792 static int __devinit snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
1793 {
1794 unsigned long pb_bus, cb_bus;
1795
1796 if (snd_hammerfall_get_buffer(rme9652->pci, &rme9652->capture_dma_buf, RME9652_DMA_AREA_BYTES) < 0 ||
1797 snd_hammerfall_get_buffer(rme9652->pci, &rme9652->playback_dma_buf, RME9652_DMA_AREA_BYTES) < 0) {
1798 if (rme9652->capture_dma_buf.area)
1799 snd_dma_free_pages(&rme9652->capture_dma_buf);
1800 printk(KERN_ERR "%s: no buffers available\n", rme9652->card_name);
1801 return -ENOMEM;
1802 }
1803
1804 /* Align to bus-space 64K boundary */
1805
1806 cb_bus = ALIGN(rme9652->capture_dma_buf.addr, 0x10000ul);
1807 pb_bus = ALIGN(rme9652->playback_dma_buf.addr, 0x10000ul);
1808
1809 /* Tell the card where it is */
1810
1811 rme9652_write(rme9652, RME9652_rec_buffer, cb_bus);
1812 rme9652_write(rme9652, RME9652_play_buffer, pb_bus);
1813
1814 rme9652->capture_buffer = rme9652->capture_dma_buf.area + (cb_bus - rme9652->capture_dma_buf.addr);
1815 rme9652->playback_buffer = rme9652->playback_dma_buf.area + (pb_bus - rme9652->playback_dma_buf.addr);
1816
1817 return 0;
1818 }
1819
1820 static void snd_rme9652_set_defaults(struct snd_rme9652 *rme9652)
1821 {
1822 unsigned int k;
1823
1824 /* ASSUMPTION: rme9652->lock is either held, or
1825 there is no need to hold it (e.g. during module
1826 initialization).
1827 */
1828
1829 /* set defaults:
1830
1831 SPDIF Input via Coax
1832 autosync clock mode
1833 maximum latency (7 = 8192 samples, 64Kbyte buffer,
1834 which implies 2 4096 sample, 32Kbyte periods).
1835
1836 if rev 1.5, initialize the S/PDIF receiver.
1837
1838 */
1839
1840 rme9652->control_register =
1841 RME9652_inp_0 | rme9652_encode_latency(7);
1842
1843 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1844
1845 rme9652_reset_hw_pointer(rme9652);
1846 rme9652_compute_period_size(rme9652);
1847
1848 /* default: thru off for all channels */
1849
1850 for (k = 0; k < RME9652_NCHANNELS; ++k)
1851 rme9652_write(rme9652, RME9652_thru_base + k * 4, 0);
1852
1853 rme9652->thru_bits = 0;
1854 rme9652->passthru = 0;
1855
1856 /* set a default rate so that the channel map is set up */
1857
1858 rme9652_set_rate(rme9652, 48000);
1859 }
1860
1861 static irqreturn_t snd_rme9652_interrupt(int irq, void *dev_id)
1862 {
1863 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) dev_id;
1864
1865 if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
1866 return IRQ_NONE;
1867 }
1868
1869 rme9652_write(rme9652, RME9652_irq_clear, 0);
1870
1871 if (rme9652->capture_substream) {
1872 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
1873 }
1874
1875 if (rme9652->playback_substream) {
1876 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
1877 }
1878 return IRQ_HANDLED;
1879 }
1880
1881 static snd_pcm_uframes_t snd_rme9652_hw_pointer(struct snd_pcm_substream *substream)
1882 {
1883 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1884 return rme9652_hw_pointer(rme9652);
1885 }
1886
1887 static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
1888 int stream,
1889 int channel)
1890
1891 {
1892 int mapped_channel;
1893
1894 if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS))
1895 return NULL;
1896
1897 if ((mapped_channel = rme9652->channel_map[channel]) < 0) {
1898 return NULL;
1899 }
1900
1901 if (stream == SNDRV_PCM_STREAM_CAPTURE) {
1902 return rme9652->capture_buffer +
1903 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1904 } else {
1905 return rme9652->playback_buffer +
1906 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1907 }
1908 }
1909
1910 static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel,
1911 snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
1912 {
1913 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1914 char *channel_buf;
1915
1916 if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
1917 return -EINVAL;
1918
1919 channel_buf = rme9652_channel_buffer_location (rme9652,
1920 substream->pstr->stream,
1921 channel);
1922 if (snd_BUG_ON(!channel_buf))
1923 return -EIO;
1924 if (copy_from_user(channel_buf + pos * 4, src, count * 4))
1925 return -EFAULT;
1926 return count;
1927 }
1928
1929 static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel,
1930 snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
1931 {
1932 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1933 char *channel_buf;
1934
1935 if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
1936 return -EINVAL;
1937
1938 channel_buf = rme9652_channel_buffer_location (rme9652,
1939 substream->pstr->stream,
1940 channel);
1941 if (snd_BUG_ON(!channel_buf))
1942 return -EIO;
1943 if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
1944 return -EFAULT;
1945 return count;
1946 }
1947
1948 static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel,
1949 snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
1950 {
1951 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1952 char *channel_buf;
1953
1954 channel_buf = rme9652_channel_buffer_location (rme9652,
1955 substream->pstr->stream,
1956 channel);
1957 if (snd_BUG_ON(!channel_buf))
1958 return -EIO;
1959 memset(channel_buf + pos * 4, 0, count * 4);
1960 return count;
1961 }
1962
1963 static int snd_rme9652_reset(struct snd_pcm_substream *substream)
1964 {
1965 struct snd_pcm_runtime *runtime = substream->runtime;
1966 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1967 struct snd_pcm_substream *other;
1968 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1969 other = rme9652->capture_substream;
1970 else
1971 other = rme9652->playback_substream;
1972 if (rme9652->running)
1973 runtime->status->hw_ptr = rme9652_hw_pointer(rme9652);
1974 else
1975 runtime->status->hw_ptr = 0;
1976 if (other) {
1977 struct snd_pcm_substream *s;
1978 struct snd_pcm_runtime *oruntime = other->runtime;
1979 snd_pcm_group_for_each_entry(s, substream) {
1980 if (s == other) {
1981 oruntime->status->hw_ptr = runtime->status->hw_ptr;
1982 break;
1983 }
1984 }
1985 }
1986 return 0;
1987 }
1988
1989 static int snd_rme9652_hw_params(struct snd_pcm_substream *substream,
1990 struct snd_pcm_hw_params *params)
1991 {
1992 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1993 int err;
1994 pid_t this_pid;
1995 pid_t other_pid;
1996
1997 spin_lock_irq(&rme9652->lock);
1998
1999 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2000 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
2001 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= rme9652->creg_spdif_stream);
2002 this_pid = rme9652->playback_pid;
2003 other_pid = rme9652->capture_pid;
2004 } else {
2005 this_pid = rme9652->capture_pid;
2006 other_pid = rme9652->playback_pid;
2007 }
2008
2009 if ((other_pid > 0) && (this_pid != other_pid)) {
2010
2011 /* The other stream is open, and not by the same
2012 task as this one. Make sure that the parameters
2013 that matter are the same.
2014 */
2015
2016 if ((int)params_rate(params) !=
2017 rme9652_adat_sample_rate(rme9652)) {
2018 spin_unlock_irq(&rme9652->lock);
2019 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2020 return -EBUSY;
2021 }
2022
2023 if (params_period_size(params) != rme9652->period_bytes / 4) {
2024 spin_unlock_irq(&rme9652->lock);
2025 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2026 return -EBUSY;
2027 }
2028
2029 /* We're fine. */
2030
2031 spin_unlock_irq(&rme9652->lock);
2032 return 0;
2033
2034 } else {
2035 spin_unlock_irq(&rme9652->lock);
2036 }
2037
2038 /* how to make sure that the rate matches an externally-set one ?
2039 */
2040
2041 if ((err = rme9652_set_rate(rme9652, params_rate(params))) < 0) {
2042 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2043 return err;
2044 }
2045
2046 if ((err = rme9652_set_interrupt_interval(rme9652, params_period_size(params))) < 0) {
2047 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2048 return err;
2049 }
2050
2051 return 0;
2052 }
2053
2054 static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
2055 struct snd_pcm_channel_info *info)
2056 {
2057 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2058 int chn;
2059
2060 if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
2061 return -EINVAL;
2062
2063 if ((chn = rme9652->channel_map[info->channel]) < 0) {
2064 return -EINVAL;
2065 }
2066
2067 info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
2068 info->first = 0;
2069 info->step = 32;
2070 return 0;
2071 }
2072
2073 static int snd_rme9652_ioctl(struct snd_pcm_substream *substream,
2074 unsigned int cmd, void *arg)
2075 {
2076 switch (cmd) {
2077 case SNDRV_PCM_IOCTL1_RESET:
2078 {
2079 return snd_rme9652_reset(substream);
2080 }
2081 case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
2082 {
2083 struct snd_pcm_channel_info *info = arg;
2084 return snd_rme9652_channel_info(substream, info);
2085 }
2086 default:
2087 break;
2088 }
2089
2090 return snd_pcm_lib_ioctl(substream, cmd, arg);
2091 }
2092
2093 static void rme9652_silence_playback(struct snd_rme9652 *rme9652)
2094 {
2095 memset(rme9652->playback_buffer, 0, RME9652_DMA_AREA_BYTES);
2096 }
2097
2098 static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
2099 int cmd)
2100 {
2101 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2102 struct snd_pcm_substream *other;
2103 int running;
2104 spin_lock(&rme9652->lock);
2105 running = rme9652->running;
2106 switch (cmd) {
2107 case SNDRV_PCM_TRIGGER_START:
2108 running |= 1 << substream->stream;
2109 break;
2110 case SNDRV_PCM_TRIGGER_STOP:
2111 running &= ~(1 << substream->stream);
2112 break;
2113 default:
2114 snd_BUG();
2115 spin_unlock(&rme9652->lock);
2116 return -EINVAL;
2117 }
2118 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2119 other = rme9652->capture_substream;
2120 else
2121 other = rme9652->playback_substream;
2122
2123 if (other) {
2124 struct snd_pcm_substream *s;
2125 snd_pcm_group_for_each_entry(s, substream) {
2126 if (s == other) {
2127 snd_pcm_trigger_done(s, substream);
2128 if (cmd == SNDRV_PCM_TRIGGER_START)
2129 running |= 1 << s->stream;
2130 else
2131 running &= ~(1 << s->stream);
2132 goto _ok;
2133 }
2134 }
2135 if (cmd == SNDRV_PCM_TRIGGER_START) {
2136 if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
2137 substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2138 rme9652_silence_playback(rme9652);
2139 } else {
2140 if (running &&
2141 substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2142 rme9652_silence_playback(rme9652);
2143 }
2144 } else {
2145 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2146 rme9652_silence_playback(rme9652);
2147 }
2148 _ok:
2149 snd_pcm_trigger_done(substream, substream);
2150 if (!rme9652->running && running)
2151 rme9652_start(rme9652);
2152 else if (rme9652->running && !running)
2153 rme9652_stop(rme9652);
2154 rme9652->running = running;
2155 spin_unlock(&rme9652->lock);
2156
2157 return 0;
2158 }
2159
2160 static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
2161 {
2162 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2163 unsigned long flags;
2164 int result = 0;
2165
2166 spin_lock_irqsave(&rme9652->lock, flags);
2167 if (!rme9652->running)
2168 rme9652_reset_hw_pointer(rme9652);
2169 spin_unlock_irqrestore(&rme9652->lock, flags);
2170 return result;
2171 }
2172
2173 static struct snd_pcm_hardware snd_rme9652_playback_subinfo =
2174 {
2175 .info = (SNDRV_PCM_INFO_MMAP |
2176 SNDRV_PCM_INFO_MMAP_VALID |
2177 SNDRV_PCM_INFO_NONINTERLEAVED |
2178 SNDRV_PCM_INFO_SYNC_START |
2179 SNDRV_PCM_INFO_DOUBLE),
2180 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2181 .rates = (SNDRV_PCM_RATE_44100 |
2182 SNDRV_PCM_RATE_48000 |
2183 SNDRV_PCM_RATE_88200 |
2184 SNDRV_PCM_RATE_96000),
2185 .rate_min = 44100,
2186 .rate_max = 96000,
2187 .channels_min = 10,
2188 .channels_max = 26,
2189 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES * 26,
2190 .period_bytes_min = (64 * 4) * 10,
2191 .period_bytes_max = (8192 * 4) * 26,
2192 .periods_min = 2,
2193 .periods_max = 2,
2194 .fifo_size = 0,
2195 };
2196
2197 static struct snd_pcm_hardware snd_rme9652_capture_subinfo =
2198 {
2199 .info = (SNDRV_PCM_INFO_MMAP |
2200 SNDRV_PCM_INFO_MMAP_VALID |
2201 SNDRV_PCM_INFO_NONINTERLEAVED |
2202 SNDRV_PCM_INFO_SYNC_START),
2203 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2204 .rates = (SNDRV_PCM_RATE_44100 |
2205 SNDRV_PCM_RATE_48000 |
2206 SNDRV_PCM_RATE_88200 |
2207 SNDRV_PCM_RATE_96000),
2208 .rate_min = 44100,
2209 .rate_max = 96000,
2210 .channels_min = 10,
2211 .channels_max = 26,
2212 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES *26,
2213 .period_bytes_min = (64 * 4) * 10,
2214 .period_bytes_max = (8192 * 4) * 26,
2215 .periods_min = 2,
2216 .periods_max = 2,
2217 .fifo_size = 0,
2218 };
2219
2220 static unsigned int period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
2221
2222 static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
2223 .count = ARRAY_SIZE(period_sizes),
2224 .list = period_sizes,
2225 .mask = 0
2226 };
2227
2228 static int snd_rme9652_hw_rule_channels(struct snd_pcm_hw_params *params,
2229 struct snd_pcm_hw_rule *rule)
2230 {
2231 struct snd_rme9652 *rme9652 = rule->private;
2232 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2233 unsigned int list[2] = { rme9652->ds_channels, rme9652->ss_channels };
2234 return snd_interval_list(c, 2, list, 0);
2235 }
2236
2237 static int snd_rme9652_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
2238 struct snd_pcm_hw_rule *rule)
2239 {
2240 struct snd_rme9652 *rme9652 = rule->private;
2241 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2242 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2243 if (r->min > 48000) {
2244 struct snd_interval t = {
2245 .min = rme9652->ds_channels,
2246 .max = rme9652->ds_channels,
2247 .integer = 1,
2248 };
2249 return snd_interval_refine(c, &t);
2250 } else if (r->max < 88200) {
2251 struct snd_interval t = {
2252 .min = rme9652->ss_channels,
2253 .max = rme9652->ss_channels,
2254 .integer = 1,
2255 };
2256 return snd_interval_refine(c, &t);
2257 }
2258 return 0;
2259 }
2260
2261 static int snd_rme9652_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
2262 struct snd_pcm_hw_rule *rule)
2263 {
2264 struct snd_rme9652 *rme9652 = rule->private;
2265 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2266 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2267 if (c->min >= rme9652->ss_channels) {
2268 struct snd_interval t = {
2269 .min = 44100,
2270 .max = 48000,
2271 .integer = 1,
2272 };
2273 return snd_interval_refine(r, &t);
2274 } else if (c->max <= rme9652->ds_channels) {
2275 struct snd_interval t = {
2276 .min = 88200,
2277 .max = 96000,
2278 .integer = 1,
2279 };
2280 return snd_interval_refine(r, &t);
2281 }
2282 return 0;
2283 }
2284
2285 static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
2286 {
2287 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2288 struct snd_pcm_runtime *runtime = substream->runtime;
2289
2290 spin_lock_irq(&rme9652->lock);
2291
2292 snd_pcm_set_sync(substream);
2293
2294 runtime->hw = snd_rme9652_playback_subinfo;
2295 runtime->dma_area = rme9652->playback_buffer;
2296 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2297
2298 if (rme9652->capture_substream == NULL) {
2299 rme9652_stop(rme9652);
2300 rme9652_set_thru(rme9652, -1, 0);
2301 }
2302
2303 rme9652->playback_pid = current->pid;
2304 rme9652->playback_substream = substream;
2305
2306 spin_unlock_irq(&rme9652->lock);
2307
2308 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2309 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2310 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2311 snd_rme9652_hw_rule_channels, rme9652,
2312 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2313 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2314 snd_rme9652_hw_rule_channels_rate, rme9652,
2315 SNDRV_PCM_HW_PARAM_RATE, -1);
2316 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2317 snd_rme9652_hw_rule_rate_channels, rme9652,
2318 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2319
2320 rme9652->creg_spdif_stream = rme9652->creg_spdif;
2321 rme9652->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2322 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2323 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2324 return 0;
2325 }
2326
2327 static int snd_rme9652_playback_release(struct snd_pcm_substream *substream)
2328 {
2329 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2330
2331 spin_lock_irq(&rme9652->lock);
2332
2333 rme9652->playback_pid = -1;
2334 rme9652->playback_substream = NULL;
2335
2336 spin_unlock_irq(&rme9652->lock);
2337
2338 rme9652->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2339 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2340 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2341 return 0;
2342 }
2343
2344
2345 static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
2346 {
2347 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2348 struct snd_pcm_runtime *runtime = substream->runtime;
2349
2350 spin_lock_irq(&rme9652->lock);
2351
2352 snd_pcm_set_sync(substream);
2353
2354 runtime->hw = snd_rme9652_capture_subinfo;
2355 runtime->dma_area = rme9652->capture_buffer;
2356 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2357
2358 if (rme9652->playback_substream == NULL) {
2359 rme9652_stop(rme9652);
2360 rme9652_set_thru(rme9652, -1, 0);
2361 }
2362
2363 rme9652->capture_pid = current->pid;
2364 rme9652->capture_substream = substream;
2365
2366 spin_unlock_irq(&rme9652->lock);
2367
2368 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2369 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2370 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2371 snd_rme9652_hw_rule_channels, rme9652,
2372 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2373 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2374 snd_rme9652_hw_rule_channels_rate, rme9652,
2375 SNDRV_PCM_HW_PARAM_RATE, -1);
2376 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2377 snd_rme9652_hw_rule_rate_channels, rme9652,
2378 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2379 return 0;
2380 }
2381
2382 static int snd_rme9652_capture_release(struct snd_pcm_substream *substream)
2383 {
2384 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2385
2386 spin_lock_irq(&rme9652->lock);
2387
2388 rme9652->capture_pid = -1;
2389 rme9652->capture_substream = NULL;
2390
2391 spin_unlock_irq(&rme9652->lock);
2392 return 0;
2393 }
2394
2395 static struct snd_pcm_ops snd_rme9652_playback_ops = {
2396 .open = snd_rme9652_playback_open,
2397 .close = snd_rme9652_playback_release,
2398 .ioctl = snd_rme9652_ioctl,
2399 .hw_params = snd_rme9652_hw_params,
2400 .prepare = snd_rme9652_prepare,
2401 .trigger = snd_rme9652_trigger,
2402 .pointer = snd_rme9652_hw_pointer,
2403 .copy = snd_rme9652_playback_copy,
2404 .silence = snd_rme9652_hw_silence,
2405 };
2406
2407 static struct snd_pcm_ops snd_rme9652_capture_ops = {
2408 .open = snd_rme9652_capture_open,
2409 .close = snd_rme9652_capture_release,
2410 .ioctl = snd_rme9652_ioctl,
2411 .hw_params = snd_rme9652_hw_params,
2412 .prepare = snd_rme9652_prepare,
2413 .trigger = snd_rme9652_trigger,
2414 .pointer = snd_rme9652_hw_pointer,
2415 .copy = snd_rme9652_capture_copy,
2416 };
2417
2418 static int __devinit snd_rme9652_create_pcm(struct snd_card *card,
2419 struct snd_rme9652 *rme9652)
2420 {
2421 struct snd_pcm *pcm;
2422 int err;
2423
2424 if ((err = snd_pcm_new(card,
2425 rme9652->card_name,
2426 0, 1, 1, &pcm)) < 0) {
2427 return err;
2428 }
2429
2430 rme9652->pcm = pcm;
2431 pcm->private_data = rme9652;
2432 strcpy(pcm->name, rme9652->card_name);
2433
2434 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme9652_playback_ops);
2435 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme9652_capture_ops);
2436
2437 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2438
2439 return 0;
2440 }
2441
2442 static int __devinit snd_rme9652_create(struct snd_card *card,
2443 struct snd_rme9652 *rme9652,
2444 int precise_ptr)
2445 {
2446 struct pci_dev *pci = rme9652->pci;
2447 int err;
2448 int status;
2449 unsigned short rev;
2450
2451 rme9652->irq = -1;
2452 rme9652->card = card;
2453
2454 pci_read_config_word(rme9652->pci, PCI_CLASS_REVISION, &rev);
2455
2456 switch (rev & 0xff) {
2457 case 3:
2458 case 4:
2459 case 8:
2460 case 9:
2461 break;
2462
2463 default:
2464 /* who knows? */
2465 return -ENODEV;
2466 }
2467
2468 if ((err = pci_enable_device(pci)) < 0)
2469 return err;
2470
2471 spin_lock_init(&rme9652->lock);
2472
2473 if ((err = pci_request_regions(pci, "rme9652")) < 0)
2474 return err;
2475 rme9652->port = pci_resource_start(pci, 0);
2476 rme9652->iobase = ioremap_nocache(rme9652->port, RME9652_IO_EXTENT);
2477 if (rme9652->iobase == NULL) {
2478 snd_printk(KERN_ERR "unable to remap region 0x%lx-0x%lx\n", 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 "rme9652", rme9652)) {
2484 snd_printk(KERN_ERR "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 __devinit 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_create(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 snd_card_set_dev(card, &pci->dev);
2608
2609 if ((err = snd_rme9652_create(card, rme9652, precise_ptr[dev])) < 0) {
2610 snd_card_free(card);
2611 return err;
2612 }
2613
2614 strcpy(card->shortname, rme9652->card_name);
2615
2616 sprintf(card->longname, "%s at 0x%lx, irq %d",
2617 card->shortname, rme9652->port, rme9652->irq);
2618
2619
2620 if ((err = snd_card_register(card)) < 0) {
2621 snd_card_free(card);
2622 return err;
2623 }
2624 pci_set_drvdata(pci, card);
2625 dev++;
2626 return 0;
2627 }
2628
2629 static void __devexit snd_rme9652_remove(struct pci_dev *pci)
2630 {
2631 snd_card_free(pci_get_drvdata(pci));
2632 pci_set_drvdata(pci, NULL);
2633 }
2634
2635 static struct pci_driver driver = {
2636 .name = "RME Digi9652 (Hammerfall)",
2637 .id_table = snd_rme9652_ids,
2638 .probe = snd_rme9652_probe,
2639 .remove = __devexit_p(snd_rme9652_remove),
2640 };
2641
2642 static int __init alsa_card_hammerfall_init(void)
2643 {
2644 return pci_register_driver(&driver);
2645 }
2646
2647 static void __exit alsa_card_hammerfall_exit(void)
2648 {
2649 pci_unregister_driver(&driver);
2650 }
2651
2652 module_init(alsa_card_hammerfall_init)
2653 module_exit(alsa_card_hammerfall_exit)
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