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[ALSA] Remove zero-initialization of static variables
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / pci / rme9652 / rme9652.c
blob3b945e8c1b154ee5b474a7ca0dfb3c2189d1dbf9
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 <sound/driver.h>
24 #include <linux/delay.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/pci.h>
28 #include <linux/slab.h>
29 #include <linux/moduleparam.h>
30
31 #include <sound/core.h>
32 #include <sound/control.h>
33 #include <sound/pcm.h>
34 #include <sound/info.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37
38 #include <asm/current.h>
39 #include <asm/io.h>
40
41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
44 static int precise_ptr[SNDRV_CARDS]; /* Enable precise pointer */
45
46 module_param_array(index, int, NULL, 0444);
47 MODULE_PARM_DESC(index, "Index value for RME Digi9652 (Hammerfall) soundcard.");
48 module_param_array(id, charp, NULL, 0444);
49 MODULE_PARM_DESC(id, "ID string for RME Digi9652 (Hammerfall) soundcard.");
50 module_param_array(enable, bool, NULL, 0444);
51 MODULE_PARM_DESC(enable, "Enable/disable specific RME96{52,36} soundcards.");
52 module_param_array(precise_ptr, bool, NULL, 0444);
53 MODULE_PARM_DESC(precise_ptr, "Enable precise pointer (doesn't work reliably).");
54 MODULE_AUTHOR("Paul Davis <pbd@op.net>, Winfried Ritsch");
55 MODULE_DESCRIPTION("RME Digi9652/Digi9636");
56 MODULE_LICENSE("GPL");
57 MODULE_SUPPORTED_DEVICE("{{RME,Hammerfall},"
58 "{RME,Hammerfall-Light}}");
59
60 /* The Hammerfall has two sets of 24 ADAT + 2 S/PDIF channels, one for
61 capture, one for playback. Both the ADAT and S/PDIF channels appear
62 to the host CPU in the same block of memory. There is no functional
63 difference between them in terms of access.
64
65 The Hammerfall Light is identical to the Hammerfall, except that it
66 has 2 sets 18 channels (16 ADAT + 2 S/PDIF) for capture and playback.
67 */
68
69 #define RME9652_NCHANNELS 26
70 #define RME9636_NCHANNELS 18
71
72 /* Preferred sync source choices - used by "sync_pref" control switch */
73
74 #define RME9652_SYNC_FROM_SPDIF 0
75 #define RME9652_SYNC_FROM_ADAT1 1
76 #define RME9652_SYNC_FROM_ADAT2 2
77 #define RME9652_SYNC_FROM_ADAT3 3
78
79 /* Possible sources of S/PDIF input */
80
81 #define RME9652_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
82 #define RME9652_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
83 #define RME9652_SPDIFIN_INTERN 2 /* internal (CDROM) */
84
85 /* ------------- Status-Register bits --------------------- */
86
87 #define RME9652_IRQ (1<<0) /* IRQ is High if not reset by irq_clear */
88 #define RME9652_lock_2 (1<<1) /* ADAT 3-PLL: 1=locked, 0=unlocked */
89 #define RME9652_lock_1 (1<<2) /* ADAT 2-PLL: 1=locked, 0=unlocked */
90 #define RME9652_lock_0 (1<<3) /* ADAT 1-PLL: 1=locked, 0=unlocked */
91 #define RME9652_fs48 (1<<4) /* sample rate is 0=44.1/88.2,1=48/96 Khz */
92 #define RME9652_wsel_rd (1<<5) /* if Word-Clock is used and valid then 1 */
93 /* bits 6-15 encode h/w buffer pointer position */
94 #define RME9652_sync_2 (1<<16) /* if ADAT-IN 3 in sync to system clock */
95 #define RME9652_sync_1 (1<<17) /* if ADAT-IN 2 in sync to system clock */
96 #define RME9652_sync_0 (1<<18) /* if ADAT-IN 1 in sync to system clock */
97 #define RME9652_DS_rd (1<<19) /* 1=Double Speed Mode, 0=Normal Speed */
98 #define RME9652_tc_busy (1<<20) /* 1=time-code copy in progress (960ms) */
99 #define RME9652_tc_out (1<<21) /* time-code out bit */
100 #define RME9652_F_0 (1<<22) /* 000=64kHz, 100=88.2kHz, 011=96kHz */
101 #define RME9652_F_1 (1<<23) /* 111=32kHz, 110=44.1kHz, 101=48kHz, */
102 #define RME9652_F_2 (1<<24) /* external Crystal Chip if ERF=1 */
103 #define RME9652_ERF (1<<25) /* Error-Flag of SDPIF Receiver (1=No Lock) */
104 #define RME9652_buffer_id (1<<26) /* toggles by each interrupt on rec/play */
105 #define RME9652_tc_valid (1<<27) /* 1 = a signal is detected on time-code input */
106 #define RME9652_SPDIF_READ (1<<28) /* byte available from Rev 1.5+ S/PDIF interface */
107
108 #define RME9652_sync (RME9652_sync_0|RME9652_sync_1|RME9652_sync_2)
109 #define RME9652_lock (RME9652_lock_0|RME9652_lock_1|RME9652_lock_2)
110 #define RME9652_F (RME9652_F_0|RME9652_F_1|RME9652_F_2)
111 #define rme9652_decode_spdif_rate(x) ((x)>>22)
112
113 /* Bit 6..15 : h/w buffer pointer */
114
115 #define RME9652_buf_pos 0x000FFC0
116
117 /* Bits 31,30,29 are bits 5,4,3 of h/w pointer position on later
118 Rev G EEPROMS and Rev 1.5 cards or later.
119 */
120
121 #define RME9652_REV15_buf_pos(x) ((((x)&0xE0000000)>>26)|((x)&RME9652_buf_pos))
122
123 /* amount of io space we remap for register access. i'm not sure we
124 even need this much, but 1K is nice round number :)
125 */
126
127 #define RME9652_IO_EXTENT 1024
128
129 #define RME9652_init_buffer 0
130 #define RME9652_play_buffer 32 /* holds ptr to 26x64kBit host RAM */
131 #define RME9652_rec_buffer 36 /* holds ptr to 26x64kBit host RAM */
132 #define RME9652_control_register 64
133 #define RME9652_irq_clear 96
134 #define RME9652_time_code 100 /* useful if used with alesis adat */
135 #define RME9652_thru_base 128 /* 132...228 Thru for 26 channels */
136
137 /* Read-only registers */
138
139 /* Writing to any of the register locations writes to the status
140 register. We'll use the first location as our point of access.
141 */
142
143 #define RME9652_status_register 0
144
145 /* --------- Control-Register Bits ---------------- */
146
147
148 #define RME9652_start_bit (1<<0) /* start record/play */
149 /* bits 1-3 encode buffersize/latency */
150 #define RME9652_Master (1<<4) /* Clock Mode Master=1,Slave/Auto=0 */
151 #define RME9652_IE (1<<5) /* Interupt Enable */
152 #define RME9652_freq (1<<6) /* samplerate 0=44.1/88.2, 1=48/96 kHz */
153 #define RME9652_freq1 (1<<7) /* if 0, 32kHz, else always 1 */
154 #define RME9652_DS (1<<8) /* Doule Speed 0=44.1/48, 1=88.2/96 Khz */
155 #define RME9652_PRO (1<<9) /* S/PDIF out: 0=consumer, 1=professional */
156 #define RME9652_EMP (1<<10) /* Emphasis 0=None, 1=ON */
157 #define RME9652_Dolby (1<<11) /* Non-audio bit 1=set, 0=unset */
158 #define RME9652_opt_out (1<<12) /* Use 1st optical OUT as SPDIF: 1=yes,0=no */
159 #define RME9652_wsel (1<<13) /* use Wordclock as sync (overwrites master) */
160 #define RME9652_inp_0 (1<<14) /* SPDIF-IN: 00=optical (ADAT1), */
161 #define RME9652_inp_1 (1<<15) /* 01=koaxial (Cinch), 10=Internal CDROM */
162 #define RME9652_SyncPref_ADAT2 (1<<16)
163 #define RME9652_SyncPref_ADAT3 (1<<17)
164 #define RME9652_SPDIF_RESET (1<<18) /* Rev 1.5+: h/w S/PDIF receiver */
165 #define RME9652_SPDIF_SELECT (1<<19)
166 #define RME9652_SPDIF_CLOCK (1<<20)
167 #define RME9652_SPDIF_WRITE (1<<21)
168 #define RME9652_ADAT1_INTERNAL (1<<22) /* Rev 1.5+: if set, internal CD connector carries ADAT */
169
170 /* buffersize = 512Bytes * 2^n, where n is made from Bit2 ... Bit0 */
171
172 #define RME9652_latency 0x0e
173 #define rme9652_encode_latency(x) (((x)&0x7)<<1)
174 #define rme9652_decode_latency(x) (((x)>>1)&0x7)
175 #define rme9652_running_double_speed(s) ((s)->control_register & RME9652_DS)
176 #define RME9652_inp (RME9652_inp_0|RME9652_inp_1)
177 #define rme9652_encode_spdif_in(x) (((x)&0x3)<<14)
178 #define rme9652_decode_spdif_in(x) (((x)>>14)&0x3)
179
180 #define RME9652_SyncPref_Mask (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
181 #define RME9652_SyncPref_ADAT1 0
182 #define RME9652_SyncPref_SPDIF (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
183
184 /* the size of a substream (1 mono data stream) */
185
186 #define RME9652_CHANNEL_BUFFER_SAMPLES (16*1024)
187 #define RME9652_CHANNEL_BUFFER_BYTES (4*RME9652_CHANNEL_BUFFER_SAMPLES)
188
189 /* the size of the area we need to allocate for DMA transfers. the
190 size is the same regardless of the number of channels - the
191 9636 still uses the same memory area.
192
193 Note that we allocate 1 more channel than is apparently needed
194 because the h/w seems to write 1 byte beyond the end of the last
195 page. Sigh.
196 */
197
198 #define RME9652_DMA_AREA_BYTES ((RME9652_NCHANNELS+1) * RME9652_CHANNEL_BUFFER_BYTES)
199 #define RME9652_DMA_AREA_KILOBYTES (RME9652_DMA_AREA_BYTES/1024)
200
201 struct snd_rme9652 {
202 int dev;
203
204 spinlock_t lock;
205 int irq;
206 unsigned long port;
207 void __iomem *iobase;
208
209 int precise_ptr;
210
211 u32 control_register; /* cached value */
212 u32 thru_bits; /* thru 1=on, 0=off channel 1=Bit1... channel 26= Bit26 */
213
214 u32 creg_spdif;
215 u32 creg_spdif_stream;
216
217 char *card_name; /* hammerfall or hammerfall light names */
218
219 size_t hw_offsetmask; /* &-with status register to get real hw_offset */
220 size_t prev_hw_offset; /* previous hw offset */
221 size_t max_jitter; /* maximum jitter in frames for
222 hw pointer */
223 size_t period_bytes; /* guess what this is */
224
225 unsigned char ds_channels;
226 unsigned char ss_channels; /* different for hammerfall/hammerfall-light */
227
228 struct snd_dma_buffer playback_dma_buf;
229 struct snd_dma_buffer capture_dma_buf;
230
231 unsigned char *capture_buffer; /* suitably aligned address */
232 unsigned char *playback_buffer; /* suitably aligned address */
233
234 pid_t capture_pid;
235 pid_t playback_pid;
236
237 struct snd_pcm_substream *capture_substream;
238 struct snd_pcm_substream *playback_substream;
239 int running;
240
241 int passthru; /* non-zero if doing pass-thru */
242 int hw_rev; /* h/w rev * 10 (i.e. 1.5 has hw_rev = 15) */
243
244 int last_spdif_sample_rate; /* so that we can catch externally ... */
245 int last_adat_sample_rate; /* ... induced rate changes */
246
247 char *channel_map;
248
249 struct snd_card *card;
250 struct snd_pcm *pcm;
251 struct pci_dev *pci;
252 struct snd_kcontrol *spdif_ctl;
253
254 };
255
256 /* These tables map the ALSA channels 1..N to the channels that we
257 need to use in order to find the relevant channel buffer. RME
258 refer to this kind of mapping as between "the ADAT channel and
259 the DMA channel." We index it using the logical audio channel,
260 and the value is the DMA channel (i.e. channel buffer number)
261 where the data for that channel can be read/written from/to.
262 */
263
264 static char channel_map_9652_ss[26] = {
265 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
266 18, 19, 20, 21, 22, 23, 24, 25
267 };
268
269 static char channel_map_9636_ss[26] = {
270 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
271 /* channels 16 and 17 are S/PDIF */
272 24, 25,
273 /* channels 18-25 don't exist */
274 -1, -1, -1, -1, -1, -1, -1, -1
275 };
276
277 static char channel_map_9652_ds[26] = {
278 /* ADAT channels are remapped */
279 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
280 /* channels 12 and 13 are S/PDIF */
281 24, 25,
282 /* others don't exist */
283 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
284 };
285
286 static char channel_map_9636_ds[26] = {
287 /* ADAT channels are remapped */
288 1, 3, 5, 7, 9, 11, 13, 15,
289 /* channels 8 and 9 are S/PDIF */
290 24, 25
291 /* others don't exist */
292 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
293 };
294
295 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
296 {
297 dmab->dev.type = SNDRV_DMA_TYPE_DEV;
298 dmab->dev.dev = snd_dma_pci_data(pci);
299 if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
300 if (dmab->bytes >= size)
301 return 0;
302 }
303 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
304 size, dmab) < 0)
305 return -ENOMEM;
306 return 0;
307 }
308
309 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
310 {
311 if (dmab->area) {
312 dmab->dev.dev = NULL; /* make it anonymous */
313 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
314 }
315 }
316
317
318 static struct pci_device_id snd_rme9652_ids[] __devinitdata = {
319 {
320 .vendor = 0x10ee,
321 .device = 0x3fc4,
322 .subvendor = PCI_ANY_ID,
323 .subdevice = PCI_ANY_ID,
324 }, /* RME Digi9652 */
325 { 0, },
326 };
327
328 MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
329
330 static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
331 {
332 writel(val, rme9652->iobase + reg);
333 }
334
335 static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
336 {
337 return readl(rme9652->iobase + reg);
338 }
339
340 static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
341 {
342 unsigned long flags;
343 int ret = 1;
344
345 spin_lock_irqsave(&rme9652->lock, flags);
346 if ((rme9652->playback_pid != rme9652->capture_pid) &&
347 (rme9652->playback_pid >= 0) && (rme9652->capture_pid >= 0)) {
348 ret = 0;
349 }
350 spin_unlock_irqrestore(&rme9652->lock, flags);
351 return ret;
352 }
353
354 static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
355 {
356 if (rme9652_running_double_speed(rme9652)) {
357 return (rme9652_read(rme9652, RME9652_status_register) &
358 RME9652_fs48) ? 96000 : 88200;
359 } else {
360 return (rme9652_read(rme9652, RME9652_status_register) &
361 RME9652_fs48) ? 48000 : 44100;
362 }
363 }
364
365 static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
366 {
367 unsigned int i;
368
369 i = rme9652->control_register & RME9652_latency;
370 rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8));
371 rme9652->hw_offsetmask =
372 (rme9652->period_bytes * 2 - 1) & RME9652_buf_pos;
373 rme9652->max_jitter = 80;
374 }
375
376 static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
377 {
378 int status;
379 unsigned int offset, frag;
380 snd_pcm_uframes_t period_size = rme9652->period_bytes / 4;
381 snd_pcm_sframes_t delta;
382
383 status = rme9652_read(rme9652, RME9652_status_register);
384 if (!rme9652->precise_ptr)
385 return (status & RME9652_buffer_id) ? period_size : 0;
386 offset = status & RME9652_buf_pos;
387
388 /* The hardware may give a backward movement for up to 80 frames
389 Martin Kirst <martin.kirst@freenet.de> knows the details.
390 */
391
392 delta = rme9652->prev_hw_offset - offset;
393 delta &= 0xffff;
394 if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4)
395 offset = rme9652->prev_hw_offset;
396 else
397 rme9652->prev_hw_offset = offset;
398 offset &= rme9652->hw_offsetmask;
399 offset /= 4;
400 frag = status & RME9652_buffer_id;
401
402 if (offset < period_size) {
403 if (offset > rme9652->max_jitter) {
404 if (frag)
405 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n", status, offset);
406 } else if (!frag)
407 return 0;
408 offset -= rme9652->max_jitter;
409 if (offset < 0)
410 offset += period_size * 2;
411 } else {
412 if (offset > period_size + rme9652->max_jitter) {
413 if (!frag)
414 printk(KERN_ERR "Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n", status, offset);
415 } else if (frag)
416 return period_size;
417 offset -= rme9652->max_jitter;
418 }
419
420 return offset;
421 }
422
423 static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
424 {
425 int i;
426
427 /* reset the FIFO pointer to zero. We do this by writing to 8
428 registers, each of which is a 32bit wide register, and set
429 them all to zero. Note that s->iobase is a pointer to
430 int32, not pointer to char.
431 */
432
433 for (i = 0; i < 8; i++) {
434 rme9652_write(rme9652, i * 4, 0);
435 udelay(10);
436 }
437 rme9652->prev_hw_offset = 0;
438 }
439
440 static inline void rme9652_start(struct snd_rme9652 *s)
441 {
442 s->control_register |= (RME9652_IE | RME9652_start_bit);
443 rme9652_write(s, RME9652_control_register, s->control_register);
444 }
445
446 static inline void rme9652_stop(struct snd_rme9652 *s)
447 {
448 s->control_register &= ~(RME9652_start_bit | RME9652_IE);
449 rme9652_write(s, RME9652_control_register, s->control_register);
450 }
451
452 static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
453 unsigned int frames)
454 {
455 int restart = 0;
456 int n;
457
458 spin_lock_irq(&s->lock);
459
460 if ((restart = s->running)) {
461 rme9652_stop(s);
462 }
463
464 frames >>= 7;
465 n = 0;
466 while (frames) {
467 n++;
468 frames >>= 1;
469 }
470
471 s->control_register &= ~RME9652_latency;
472 s->control_register |= rme9652_encode_latency(n);
473
474 rme9652_write(s, RME9652_control_register, s->control_register);
475
476 rme9652_compute_period_size(s);
477
478 if (restart)
479 rme9652_start(s);
480
481 spin_unlock_irq(&s->lock);
482
483 return 0;
484 }
485
486 static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
487 {
488 int restart;
489 int reject_if_open = 0;
490 int xrate;
491
492 if (!snd_rme9652_use_is_exclusive (rme9652)) {
493 return -EBUSY;
494 }
495
496 /* Changing from a "single speed" to a "double speed" rate is
497 not allowed if any substreams are open. This is because
498 such a change causes a shift in the location of
499 the DMA buffers and a reduction in the number of available
500 buffers.
501
502 Note that a similar but essentially insoluble problem
503 exists for externally-driven rate changes. All we can do
504 is to flag rate changes in the read/write routines.
505 */
506
507 spin_lock_irq(&rme9652->lock);
508 xrate = rme9652_adat_sample_rate(rme9652);
509
510 switch (rate) {
511 case 44100:
512 if (xrate > 48000) {
513 reject_if_open = 1;
514 }
515 rate = 0;
516 break;
517 case 48000:
518 if (xrate > 48000) {
519 reject_if_open = 1;
520 }
521 rate = RME9652_freq;
522 break;
523 case 88200:
524 if (xrate < 48000) {
525 reject_if_open = 1;
526 }
527 rate = RME9652_DS;
528 break;
529 case 96000:
530 if (xrate < 48000) {
531 reject_if_open = 1;
532 }
533 rate = RME9652_DS | RME9652_freq;
534 break;
535 default:
536 spin_unlock_irq(&rme9652->lock);
537 return -EINVAL;
538 }
539
540 if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0)) {
541 spin_unlock_irq(&rme9652->lock);
542 return -EBUSY;
543 }
544
545 if ((restart = rme9652->running)) {
546 rme9652_stop(rme9652);
547 }
548 rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
549 rme9652->control_register |= rate;
550 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
551
552 if (restart) {
553 rme9652_start(rme9652);
554 }
555
556 if (rate & RME9652_DS) {
557 if (rme9652->ss_channels == RME9652_NCHANNELS) {
558 rme9652->channel_map = channel_map_9652_ds;
559 } else {
560 rme9652->channel_map = channel_map_9636_ds;
561 }
562 } else {
563 if (rme9652->ss_channels == RME9652_NCHANNELS) {
564 rme9652->channel_map = channel_map_9652_ss;
565 } else {
566 rme9652->channel_map = channel_map_9636_ss;
567 }
568 }
569
570 spin_unlock_irq(&rme9652->lock);
571 return 0;
572 }
573
574 static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
575 {
576 int i;
577
578 rme9652->passthru = 0;
579
580 if (channel < 0) {
581
582 /* set thru for all channels */
583
584 if (enable) {
585 for (i = 0; i < RME9652_NCHANNELS; i++) {
586 rme9652->thru_bits |= (1 << i);
587 rme9652_write(rme9652, RME9652_thru_base + i * 4, 1);
588 }
589 } else {
590 for (i = 0; i < RME9652_NCHANNELS; i++) {
591 rme9652->thru_bits &= ~(1 << i);
592 rme9652_write(rme9652, RME9652_thru_base + i * 4, 0);
593 }
594 }
595
596 } else {
597 int mapped_channel;
598
599 snd_assert(channel == RME9652_NCHANNELS, return);
600
601 mapped_channel = rme9652->channel_map[channel];
602
603 if (enable) {
604 rme9652->thru_bits |= (1 << mapped_channel);
605 } else {
606 rme9652->thru_bits &= ~(1 << mapped_channel);
607 }
608
609 rme9652_write(rme9652,
610 RME9652_thru_base + mapped_channel * 4,
611 enable ? 1 : 0);
612 }
613 }
614
615 static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
616 {
617 if (onoff) {
618 rme9652_set_thru(rme9652, -1, 1);
619
620 /* we don't want interrupts, so do a
621 custom version of rme9652_start().
622 */
623
624 rme9652->control_register =
625 RME9652_inp_0 |
626 rme9652_encode_latency(7) |
627 RME9652_start_bit;
628
629 rme9652_reset_hw_pointer(rme9652);
630
631 rme9652_write(rme9652, RME9652_control_register,
632 rme9652->control_register);
633 rme9652->passthru = 1;
634 } else {
635 rme9652_set_thru(rme9652, -1, 0);
636 rme9652_stop(rme9652);
637 rme9652->passthru = 0;
638 }
639
640 return 0;
641 }
642
643 static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
644 {
645 if (onoff)
646 rme9652->control_register |= mask;
647 else
648 rme9652->control_register &= ~mask;
649
650 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
651 }
652
653 static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
654 {
655 long mask;
656 long i;
657
658 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
659 if (val & mask)
660 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1);
661 else
662 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0);
663
664 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
665 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
666 }
667 }
668
669 static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
670 {
671 long mask;
672 long val;
673 long i;
674
675 val = 0;
676
677 for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
678 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
679 if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
680 val |= mask;
681 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
682 }
683
684 return val;
685 }
686
687 static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
688 {
689 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
690 rme9652_spdif_write_byte (rme9652, 0x20);
691 rme9652_spdif_write_byte (rme9652, address);
692 rme9652_spdif_write_byte (rme9652, data);
693 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
694 }
695
696
697 static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
698 {
699 int ret;
700
701 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
702 rme9652_spdif_write_byte (rme9652, 0x20);
703 rme9652_spdif_write_byte (rme9652, address);
704 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
705 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
706
707 rme9652_spdif_write_byte (rme9652, 0x21);
708 ret = rme9652_spdif_read_byte (rme9652);
709 rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
710
711 return ret;
712 }
713
714 static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
715 {
716 /* XXX what unsets this ? */
717
718 rme9652->control_register |= RME9652_SPDIF_RESET;
719
720 rme9652_write_spdif_codec (rme9652, 4, 0x40);
721 rme9652_write_spdif_codec (rme9652, 17, 0x13);
722 rme9652_write_spdif_codec (rme9652, 6, 0x02);
723 }
724
725 static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
726 {
727 unsigned int rate_bits;
728
729 if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
730 return -1; /* error condition */
731 }
732
733 if (s->hw_rev == 15) {
734
735 int x, y, ret;
736
737 x = rme9652_spdif_read_codec (s, 30);
738
739 if (x != 0)
740 y = 48000 * 64 / x;
741 else
742 y = 0;
743
744 if (y > 30400 && y < 33600) ret = 32000;
745 else if (y > 41900 && y < 46000) ret = 44100;
746 else if (y > 46000 && y < 50400) ret = 48000;
747 else if (y > 60800 && y < 67200) ret = 64000;
748 else if (y > 83700 && y < 92000) ret = 88200;
749 else if (y > 92000 && y < 100000) ret = 96000;
750 else ret = 0;
751 return ret;
752 }
753
754 rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
755
756 switch (rme9652_decode_spdif_rate(rate_bits)) {
757 case 0x7:
758 return 32000;
759 break;
760
761 case 0x6:
762 return 44100;
763 break;
764
765 case 0x5:
766 return 48000;
767 break;
768
769 case 0x4:
770 return 88200;
771 break;
772
773 case 0x3:
774 return 96000;
775 break;
776
777 case 0x0:
778 return 64000;
779 break;
780
781 default:
782 snd_printk(KERN_ERR "%s: unknown S/PDIF input rate (bits = 0x%x)\n",
783 s->card_name, rate_bits);
784 return 0;
785 break;
786 }
787 }
788
789 /*-----------------------------------------------------------------------------
790 Control Interface
791 ----------------------------------------------------------------------------*/
792
793 static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
794 {
795 u32 val = 0;
796 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0;
797 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0;
798 if (val & RME9652_PRO)
799 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0;
800 else
801 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0;
802 return val;
803 }
804
805 static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
806 {
807 aes->status[0] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
808 ((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0);
809 if (val & RME9652_PRO)
810 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
811 else
812 aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
813 }
814
815 static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
816 {
817 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
818 uinfo->count = 1;
819 return 0;
820 }
821
822 static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
823 {
824 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
825
826 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
827 return 0;
828 }
829
830 static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
831 {
832 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
833 int change;
834 u32 val;
835
836 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
837 spin_lock_irq(&rme9652->lock);
838 change = val != rme9652->creg_spdif;
839 rme9652->creg_spdif = val;
840 spin_unlock_irq(&rme9652->lock);
841 return change;
842 }
843
844 static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
845 {
846 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
847 uinfo->count = 1;
848 return 0;
849 }
850
851 static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
852 {
853 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
854
855 snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
856 return 0;
857 }
858
859 static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
860 {
861 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
862 int change;
863 u32 val;
864
865 val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
866 spin_lock_irq(&rme9652->lock);
867 change = val != rme9652->creg_spdif_stream;
868 rme9652->creg_spdif_stream = val;
869 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
870 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
871 spin_unlock_irq(&rme9652->lock);
872 return change;
873 }
874
875 static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
876 {
877 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
878 uinfo->count = 1;
879 return 0;
880 }
881
882 static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
883 {
884 ucontrol->value.iec958.status[0] = kcontrol->private_value;
885 return 0;
886 }
887
888 #define RME9652_ADAT1_IN(xname, xindex) \
889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
890 .info = snd_rme9652_info_adat1_in, \
891 .get = snd_rme9652_get_adat1_in, \
892 .put = snd_rme9652_put_adat1_in }
893
894 static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
895 {
896 if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
897 return 1;
898 return 0;
899 }
900
901 static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
902 {
903 int restart = 0;
904
905 if (internal) {
906 rme9652->control_register |= RME9652_ADAT1_INTERNAL;
907 } else {
908 rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
909 }
910
911 /* XXX do we actually need to stop the card when we do this ? */
912
913 if ((restart = rme9652->running)) {
914 rme9652_stop(rme9652);
915 }
916
917 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
918
919 if (restart) {
920 rme9652_start(rme9652);
921 }
922
923 return 0;
924 }
925
926 static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
927 {
928 static char *texts[2] = {"ADAT1", "Internal"};
929
930 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
931 uinfo->count = 1;
932 uinfo->value.enumerated.items = 2;
933 if (uinfo->value.enumerated.item > 1)
934 uinfo->value.enumerated.item = 1;
935 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
936 return 0;
937 }
938
939 static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
940 {
941 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
942
943 spin_lock_irq(&rme9652->lock);
944 ucontrol->value.enumerated.item[0] = rme9652_adat1_in(rme9652);
945 spin_unlock_irq(&rme9652->lock);
946 return 0;
947 }
948
949 static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
950 {
951 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
952 int change;
953 unsigned int val;
954
955 if (!snd_rme9652_use_is_exclusive(rme9652))
956 return -EBUSY;
957 val = ucontrol->value.enumerated.item[0] % 2;
958 spin_lock_irq(&rme9652->lock);
959 change = val != rme9652_adat1_in(rme9652);
960 if (change)
961 rme9652_set_adat1_input(rme9652, val);
962 spin_unlock_irq(&rme9652->lock);
963 return change;
964 }
965
966 #define RME9652_SPDIF_IN(xname, xindex) \
967 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
968 .info = snd_rme9652_info_spdif_in, \
969 .get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
970
971 static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
972 {
973 return rme9652_decode_spdif_in(rme9652->control_register &
974 RME9652_inp);
975 }
976
977 static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
978 {
979 int restart = 0;
980
981 rme9652->control_register &= ~RME9652_inp;
982 rme9652->control_register |= rme9652_encode_spdif_in(in);
983
984 if ((restart = rme9652->running)) {
985 rme9652_stop(rme9652);
986 }
987
988 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
989
990 if (restart) {
991 rme9652_start(rme9652);
992 }
993
994 return 0;
995 }
996
997 static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
998 {
999 static char *texts[3] = {"ADAT1", "Coaxial", "Internal"};
1000
1001 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1002 uinfo->count = 1;
1003 uinfo->value.enumerated.items = 3;
1004 if (uinfo->value.enumerated.item > 2)
1005 uinfo->value.enumerated.item = 2;
1006 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1007 return 0;
1008 }
1009
1010 static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1011 {
1012 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1013
1014 spin_lock_irq(&rme9652->lock);
1015 ucontrol->value.enumerated.item[0] = rme9652_spdif_in(rme9652);
1016 spin_unlock_irq(&rme9652->lock);
1017 return 0;
1018 }
1019
1020 static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1021 {
1022 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1023 int change;
1024 unsigned int val;
1025
1026 if (!snd_rme9652_use_is_exclusive(rme9652))
1027 return -EBUSY;
1028 val = ucontrol->value.enumerated.item[0] % 3;
1029 spin_lock_irq(&rme9652->lock);
1030 change = val != rme9652_spdif_in(rme9652);
1031 if (change)
1032 rme9652_set_spdif_input(rme9652, val);
1033 spin_unlock_irq(&rme9652->lock);
1034 return change;
1035 }
1036
1037 #define RME9652_SPDIF_OUT(xname, xindex) \
1038 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1039 .info = snd_rme9652_info_spdif_out, \
1040 .get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
1041
1042 static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
1043 {
1044 return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
1045 }
1046
1047 static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
1048 {
1049 int restart = 0;
1050
1051 if (out) {
1052 rme9652->control_register |= RME9652_opt_out;
1053 } else {
1054 rme9652->control_register &= ~RME9652_opt_out;
1055 }
1056
1057 if ((restart = rme9652->running)) {
1058 rme9652_stop(rme9652);
1059 }
1060
1061 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1062
1063 if (restart) {
1064 rme9652_start(rme9652);
1065 }
1066
1067 return 0;
1068 }
1069
1070 static int snd_rme9652_info_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1071 {
1072 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1073 uinfo->count = 1;
1074 uinfo->value.integer.min = 0;
1075 uinfo->value.integer.max = 1;
1076 return 0;
1077 }
1078
1079 static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1080 {
1081 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1082
1083 spin_lock_irq(&rme9652->lock);
1084 ucontrol->value.integer.value[0] = rme9652_spdif_out(rme9652);
1085 spin_unlock_irq(&rme9652->lock);
1086 return 0;
1087 }
1088
1089 static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1090 {
1091 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1092 int change;
1093 unsigned int val;
1094
1095 if (!snd_rme9652_use_is_exclusive(rme9652))
1096 return -EBUSY;
1097 val = ucontrol->value.integer.value[0] & 1;
1098 spin_lock_irq(&rme9652->lock);
1099 change = (int)val != rme9652_spdif_out(rme9652);
1100 rme9652_set_spdif_output(rme9652, val);
1101 spin_unlock_irq(&rme9652->lock);
1102 return change;
1103 }
1104
1105 #define RME9652_SYNC_MODE(xname, xindex) \
1106 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1107 .info = snd_rme9652_info_sync_mode, \
1108 .get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
1109
1110 static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
1111 {
1112 if (rme9652->control_register & RME9652_wsel) {
1113 return 2;
1114 } else if (rme9652->control_register & RME9652_Master) {
1115 return 1;
1116 } else {
1117 return 0;
1118 }
1119 }
1120
1121 static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
1122 {
1123 int restart = 0;
1124
1125 switch (mode) {
1126 case 0:
1127 rme9652->control_register &=
1128 ~(RME9652_Master | RME9652_wsel);
1129 break;
1130 case 1:
1131 rme9652->control_register =
1132 (rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
1133 break;
1134 case 2:
1135 rme9652->control_register |=
1136 (RME9652_Master | RME9652_wsel);
1137 break;
1138 }
1139
1140 if ((restart = rme9652->running)) {
1141 rme9652_stop(rme9652);
1142 }
1143
1144 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1145
1146 if (restart) {
1147 rme9652_start(rme9652);
1148 }
1149
1150 return 0;
1151 }
1152
1153 static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1154 {
1155 static char *texts[3] = {"AutoSync", "Master", "Word Clock"};
1156
1157 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1158 uinfo->count = 1;
1159 uinfo->value.enumerated.items = 3;
1160 if (uinfo->value.enumerated.item > 2)
1161 uinfo->value.enumerated.item = 2;
1162 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1163 return 0;
1164 }
1165
1166 static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1167 {
1168 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1169
1170 spin_lock_irq(&rme9652->lock);
1171 ucontrol->value.enumerated.item[0] = rme9652_sync_mode(rme9652);
1172 spin_unlock_irq(&rme9652->lock);
1173 return 0;
1174 }
1175
1176 static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1177 {
1178 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1179 int change;
1180 unsigned int val;
1181
1182 val = ucontrol->value.enumerated.item[0] % 3;
1183 spin_lock_irq(&rme9652->lock);
1184 change = (int)val != rme9652_sync_mode(rme9652);
1185 rme9652_set_sync_mode(rme9652, val);
1186 spin_unlock_irq(&rme9652->lock);
1187 return change;
1188 }
1189
1190 #define RME9652_SYNC_PREF(xname, xindex) \
1191 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1192 .info = snd_rme9652_info_sync_pref, \
1193 .get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
1194
1195 static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
1196 {
1197 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1198 case RME9652_SyncPref_ADAT1:
1199 return RME9652_SYNC_FROM_ADAT1;
1200 case RME9652_SyncPref_ADAT2:
1201 return RME9652_SYNC_FROM_ADAT2;
1202 case RME9652_SyncPref_ADAT3:
1203 return RME9652_SYNC_FROM_ADAT3;
1204 case RME9652_SyncPref_SPDIF:
1205 return RME9652_SYNC_FROM_SPDIF;
1206 }
1207 /* Not reachable */
1208 return 0;
1209 }
1210
1211 static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
1212 {
1213 int restart;
1214
1215 rme9652->control_register &= ~RME9652_SyncPref_Mask;
1216 switch (pref) {
1217 case RME9652_SYNC_FROM_ADAT1:
1218 rme9652->control_register |= RME9652_SyncPref_ADAT1;
1219 break;
1220 case RME9652_SYNC_FROM_ADAT2:
1221 rme9652->control_register |= RME9652_SyncPref_ADAT2;
1222 break;
1223 case RME9652_SYNC_FROM_ADAT3:
1224 rme9652->control_register |= RME9652_SyncPref_ADAT3;
1225 break;
1226 case RME9652_SYNC_FROM_SPDIF:
1227 rme9652->control_register |= RME9652_SyncPref_SPDIF;
1228 break;
1229 }
1230
1231 if ((restart = rme9652->running)) {
1232 rme9652_stop(rme9652);
1233 }
1234
1235 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1236
1237 if (restart) {
1238 rme9652_start(rme9652);
1239 }
1240
1241 return 0;
1242 }
1243
1244 static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1245 {
1246 static char *texts[4] = {"IEC958 In", "ADAT1 In", "ADAT2 In", "ADAT3 In"};
1247 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1248
1249 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1250 uinfo->count = 1;
1251 uinfo->value.enumerated.items = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1252 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1253 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1254 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1255 return 0;
1256 }
1257
1258 static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1259 {
1260 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1261
1262 spin_lock_irq(&rme9652->lock);
1263 ucontrol->value.enumerated.item[0] = rme9652_sync_pref(rme9652);
1264 spin_unlock_irq(&rme9652->lock);
1265 return 0;
1266 }
1267
1268 static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1269 {
1270 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1271 int change, max;
1272 unsigned int val;
1273
1274 if (!snd_rme9652_use_is_exclusive(rme9652))
1275 return -EBUSY;
1276 max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
1277 val = ucontrol->value.enumerated.item[0] % max;
1278 spin_lock_irq(&rme9652->lock);
1279 change = (int)val != rme9652_sync_pref(rme9652);
1280 rme9652_set_sync_pref(rme9652, val);
1281 spin_unlock_irq(&rme9652->lock);
1282 return change;
1283 }
1284
1285 static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1286 {
1287 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1288 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1289 uinfo->count = rme9652->ss_channels;
1290 uinfo->value.integer.min = 0;
1291 uinfo->value.integer.max = 1;
1292 return 0;
1293 }
1294
1295 static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1296 {
1297 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1298 unsigned int k;
1299 u32 thru_bits = rme9652->thru_bits;
1300
1301 for (k = 0; k < rme9652->ss_channels; ++k) {
1302 ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
1303 }
1304 return 0;
1305 }
1306
1307 static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1308 {
1309 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1310 int change;
1311 unsigned int chn;
1312 u32 thru_bits = 0;
1313
1314 if (!snd_rme9652_use_is_exclusive(rme9652))
1315 return -EBUSY;
1316
1317 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1318 if (ucontrol->value.integer.value[chn])
1319 thru_bits |= 1 << chn;
1320 }
1321
1322 spin_lock_irq(&rme9652->lock);
1323 change = thru_bits ^ rme9652->thru_bits;
1324 if (change) {
1325 for (chn = 0; chn < rme9652->ss_channels; ++chn) {
1326 if (!(change & (1 << chn)))
1327 continue;
1328 rme9652_set_thru(rme9652,chn,thru_bits&(1<<chn));
1329 }
1330 }
1331 spin_unlock_irq(&rme9652->lock);
1332 return !!change;
1333 }
1334
1335 #define RME9652_PASSTHRU(xname, xindex) \
1336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1337 .info = snd_rme9652_info_passthru, \
1338 .put = snd_rme9652_put_passthru, \
1339 .get = snd_rme9652_get_passthru }
1340
1341 static int snd_rme9652_info_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1342 {
1343 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1344 uinfo->count = 1;
1345 uinfo->value.integer.min = 0;
1346 uinfo->value.integer.max = 1;
1347 return 0;
1348 }
1349
1350 static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1351 {
1352 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1353
1354 spin_lock_irq(&rme9652->lock);
1355 ucontrol->value.integer.value[0] = rme9652->passthru;
1356 spin_unlock_irq(&rme9652->lock);
1357 return 0;
1358 }
1359
1360 static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1361 {
1362 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1363 int change;
1364 unsigned int val;
1365 int err = 0;
1366
1367 if (!snd_rme9652_use_is_exclusive(rme9652))
1368 return -EBUSY;
1369
1370 val = ucontrol->value.integer.value[0] & 1;
1371 spin_lock_irq(&rme9652->lock);
1372 change = (ucontrol->value.integer.value[0] != rme9652->passthru);
1373 if (change)
1374 err = rme9652_set_passthru(rme9652, val);
1375 spin_unlock_irq(&rme9652->lock);
1376 return err ? err : change;
1377 }
1378
1379 /* Read-only switches */
1380
1381 #define RME9652_SPDIF_RATE(xname, xindex) \
1382 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1383 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1384 .info = snd_rme9652_info_spdif_rate, \
1385 .get = snd_rme9652_get_spdif_rate }
1386
1387 static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1388 {
1389 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1390 uinfo->count = 1;
1391 uinfo->value.integer.min = 0;
1392 uinfo->value.integer.max = 96000;
1393 return 0;
1394 }
1395
1396 static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1397 {
1398 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1399
1400 spin_lock_irq(&rme9652->lock);
1401 ucontrol->value.integer.value[0] = rme9652_spdif_sample_rate(rme9652);
1402 spin_unlock_irq(&rme9652->lock);
1403 return 0;
1404 }
1405
1406 #define RME9652_ADAT_SYNC(xname, xindex, xidx) \
1407 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1408 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1409 .info = snd_rme9652_info_adat_sync, \
1410 .get = snd_rme9652_get_adat_sync, .private_value = xidx }
1411
1412 static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1413 {
1414 static char *texts[4] = {"No Lock", "Lock", "No Lock Sync", "Lock Sync"};
1415
1416 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1417 uinfo->count = 1;
1418 uinfo->value.enumerated.items = 4;
1419 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1420 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1421 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1422 return 0;
1423 }
1424
1425 static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1426 {
1427 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1428 unsigned int mask1, mask2, val;
1429
1430 switch (kcontrol->private_value) {
1431 case 0: mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break;
1432 case 1: mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break;
1433 case 2: mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break;
1434 default: return -EINVAL;
1435 }
1436 val = rme9652_read(rme9652, RME9652_status_register);
1437 ucontrol->value.enumerated.item[0] = (val & mask1) ? 1 : 0;
1438 ucontrol->value.enumerated.item[0] |= (val & mask2) ? 2 : 0;
1439 return 0;
1440 }
1441
1442 #define RME9652_TC_VALID(xname, xindex) \
1443 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1444 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1445 .info = snd_rme9652_info_tc_valid, \
1446 .get = snd_rme9652_get_tc_valid }
1447
1448 static int snd_rme9652_info_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1449 {
1450 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1451 uinfo->count = 1;
1452 uinfo->value.integer.min = 0;
1453 uinfo->value.integer.max = 1;
1454 return 0;
1455 }
1456
1457 static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1458 {
1459 struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
1460
1461 ucontrol->value.integer.value[0] =
1462 (rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0;
1463 return 0;
1464 }
1465
1466 #ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
1467
1468 /* FIXME: this routine needs a port to the new control API --jk */
1469
1470 static int snd_rme9652_get_tc_value(void *private_data,
1471 snd_kswitch_t *kswitch,
1472 snd_switch_t *uswitch)
1473 {
1474 struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
1475 u32 value;
1476 int i;
1477
1478 uswitch->type = SNDRV_SW_TYPE_DWORD;
1479
1480 if ((rme9652_read(s, RME9652_status_register) &
1481 RME9652_tc_valid) == 0) {
1482 uswitch->value.data32[0] = 0;
1483 return 0;
1484 }
1485
1486 /* timecode request */
1487
1488 rme9652_write(s, RME9652_time_code, 0);
1489
1490 /* XXX bug alert: loop-based timing !!!! */
1491
1492 for (i = 0; i < 50; i++) {
1493 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy))
1494 break;
1495 }
1496
1497 if (!(rme9652_read(s, i * 4) & RME9652_tc_busy)) {
1498 return -EIO;
1499 }
1500
1501 value = 0;
1502
1503 for (i = 0; i < 32; i++) {
1504 value >>= 1;
1505
1506 if (rme9652_read(s, i * 4) & RME9652_tc_out)
1507 value |= 0x80000000;
1508 }
1509
1510 if (value > 2 * 60 * 48000) {
1511 value -= 2 * 60 * 48000;
1512 } else {
1513 value = 0;
1514 }
1515
1516 uswitch->value.data32[0] = value;
1517
1518 return 0;
1519 }
1520
1521 #endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
1522
1523 static struct snd_kcontrol_new snd_rme9652_controls[] = {
1524 {
1525 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1526 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1527 .info = snd_rme9652_control_spdif_info,
1528 .get = snd_rme9652_control_spdif_get,
1529 .put = snd_rme9652_control_spdif_put,
1530 },
1531 {
1532 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1533 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1534 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1535 .info = snd_rme9652_control_spdif_stream_info,
1536 .get = snd_rme9652_control_spdif_stream_get,
1537 .put = snd_rme9652_control_spdif_stream_put,
1538 },
1539 {
1540 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1541 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1542 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1543 .info = snd_rme9652_control_spdif_mask_info,
1544 .get = snd_rme9652_control_spdif_mask_get,
1545 .private_value = IEC958_AES0_NONAUDIO |
1546 IEC958_AES0_PROFESSIONAL |
1547 IEC958_AES0_CON_EMPHASIS,
1548 },
1549 {
1550 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1551 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1552 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1553 .info = snd_rme9652_control_spdif_mask_info,
1554 .get = snd_rme9652_control_spdif_mask_get,
1555 .private_value = IEC958_AES0_NONAUDIO |
1556 IEC958_AES0_PROFESSIONAL |
1557 IEC958_AES0_PRO_EMPHASIS,
1558 },
1559 RME9652_SPDIF_IN("IEC958 Input Connector", 0),
1560 RME9652_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
1561 RME9652_SYNC_MODE("Sync Mode", 0),
1562 RME9652_SYNC_PREF("Preferred Sync Source", 0),
1563 {
1564 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1565 .name = "Channels Thru",
1566 .index = 0,
1567 .info = snd_rme9652_info_thru,
1568 .get = snd_rme9652_get_thru,
1569 .put = snd_rme9652_put_thru,
1570 },
1571 RME9652_SPDIF_RATE("IEC958 Sample Rate", 0),
1572 RME9652_ADAT_SYNC("ADAT1 Sync Check", 0, 0),
1573 RME9652_ADAT_SYNC("ADAT2 Sync Check", 0, 1),
1574 RME9652_TC_VALID("Timecode Valid", 0),
1575 RME9652_PASSTHRU("Passthru", 0)
1576 };
1577
1578 static struct snd_kcontrol_new snd_rme9652_adat3_check =
1579 RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
1580
1581 static struct snd_kcontrol_new snd_rme9652_adat1_input =
1582 RME9652_ADAT1_IN("ADAT1 Input Source", 0);
1583
1584 static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
1585 {
1586 unsigned int idx;
1587 int err;
1588 struct snd_kcontrol *kctl;
1589
1590 for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
1591 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0)
1592 return err;
1593 if (idx == 1) /* IEC958 (S/PDIF) Stream */
1594 rme9652->spdif_ctl = kctl;
1595 }
1596
1597 if (rme9652->ss_channels == RME9652_NCHANNELS)
1598 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0)
1599 return err;
1600
1601 if (rme9652->hw_rev >= 15)
1602 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0)
1603 return err;
1604
1605 return 0;
1606 }
1607
1608 /*------------------------------------------------------------
1609 /proc interface
1610 ------------------------------------------------------------*/
1611
1612 static void
1613 snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1614 {
1615 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
1616 u32 thru_bits = rme9652->thru_bits;
1617 int show_auto_sync_source = 0;
1618 int i;
1619 unsigned int status;
1620 int x;
1621
1622 status = rme9652_read(rme9652, RME9652_status_register);
1623
1624 snd_iprintf(buffer, "%s (Card #%d)\n", rme9652->card_name, rme9652->card->number + 1);
1625 snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
1626 rme9652->capture_buffer, rme9652->playback_buffer);
1627 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
1628 rme9652->irq, rme9652->port, (unsigned long)rme9652->iobase);
1629 snd_iprintf(buffer, "Control register: %x\n", rme9652->control_register);
1630
1631 snd_iprintf(buffer, "\n");
1632
1633 x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
1634 RME9652_latency));
1635
1636 snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n",
1637 x, (unsigned long) rme9652->period_bytes);
1638 snd_iprintf(buffer, "Hardware pointer (frames): %ld\n",
1639 rme9652_hw_pointer(rme9652));
1640 snd_iprintf(buffer, "Passthru: %s\n",
1641 rme9652->passthru ? "yes" : "no");
1642
1643 if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0) {
1644 snd_iprintf(buffer, "Clock mode: autosync\n");
1645 show_auto_sync_source = 1;
1646 } else if (rme9652->control_register & RME9652_wsel) {
1647 if (status & RME9652_wsel_rd) {
1648 snd_iprintf(buffer, "Clock mode: word clock\n");
1649 } else {
1650 snd_iprintf(buffer, "Clock mode: word clock (no signal)\n");
1651 }
1652 } else {
1653 snd_iprintf(buffer, "Clock mode: master\n");
1654 }
1655
1656 if (show_auto_sync_source) {
1657 switch (rme9652->control_register & RME9652_SyncPref_Mask) {
1658 case RME9652_SyncPref_ADAT1:
1659 snd_iprintf(buffer, "Pref. sync source: ADAT1\n");
1660 break;
1661 case RME9652_SyncPref_ADAT2:
1662 snd_iprintf(buffer, "Pref. sync source: ADAT2\n");
1663 break;
1664 case RME9652_SyncPref_ADAT3:
1665 snd_iprintf(buffer, "Pref. sync source: ADAT3\n");
1666 break;
1667 case RME9652_SyncPref_SPDIF:
1668 snd_iprintf(buffer, "Pref. sync source: IEC958\n");
1669 break;
1670 default:
1671 snd_iprintf(buffer, "Pref. sync source: ???\n");
1672 }
1673 }
1674
1675 if (rme9652->hw_rev >= 15)
1676 snd_iprintf(buffer, "\nADAT1 Input source: %s\n",
1677 (rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
1678 "Internal" : "ADAT1 optical");
1679
1680 snd_iprintf(buffer, "\n");
1681
1682 switch (rme9652_decode_spdif_in(rme9652->control_register &
1683 RME9652_inp)) {
1684 case RME9652_SPDIFIN_OPTICAL:
1685 snd_iprintf(buffer, "IEC958 input: ADAT1\n");
1686 break;
1687 case RME9652_SPDIFIN_COAXIAL:
1688 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
1689 break;
1690 case RME9652_SPDIFIN_INTERN:
1691 snd_iprintf(buffer, "IEC958 input: Internal\n");
1692 break;
1693 default:
1694 snd_iprintf(buffer, "IEC958 input: ???\n");
1695 break;
1696 }
1697
1698 if (rme9652->control_register & RME9652_opt_out) {
1699 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
1700 } else {
1701 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
1702 }
1703
1704 if (rme9652->control_register & RME9652_PRO) {
1705 snd_iprintf(buffer, "IEC958 quality: Professional\n");
1706 } else {
1707 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
1708 }
1709
1710 if (rme9652->control_register & RME9652_EMP) {
1711 snd_iprintf(buffer, "IEC958 emphasis: on\n");
1712 } else {
1713 snd_iprintf(buffer, "IEC958 emphasis: off\n");
1714 }
1715
1716 if (rme9652->control_register & RME9652_Dolby) {
1717 snd_iprintf(buffer, "IEC958 Dolby: on\n");
1718 } else {
1719 snd_iprintf(buffer, "IEC958 Dolby: off\n");
1720 }
1721
1722 i = rme9652_spdif_sample_rate(rme9652);
1723
1724 if (i < 0) {
1725 snd_iprintf(buffer,
1726 "IEC958 sample rate: error flag set\n");
1727 } else if (i == 0) {
1728 snd_iprintf(buffer, "IEC958 sample rate: undetermined\n");
1729 } else {
1730 snd_iprintf(buffer, "IEC958 sample rate: %d\n", i);
1731 }
1732
1733 snd_iprintf(buffer, "\n");
1734
1735 snd_iprintf(buffer, "ADAT Sample rate: %dHz\n",
1736 rme9652_adat_sample_rate(rme9652));
1737
1738 /* Sync Check */
1739
1740 x = status & RME9652_sync_0;
1741 if (status & RME9652_lock_0) {
1742 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
1743 } else {
1744 snd_iprintf(buffer, "ADAT1: No Lock\n");
1745 }
1746
1747 x = status & RME9652_sync_1;
1748 if (status & RME9652_lock_1) {
1749 snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
1750 } else {
1751 snd_iprintf(buffer, "ADAT2: No Lock\n");
1752 }
1753
1754 x = status & RME9652_sync_2;
1755 if (status & RME9652_lock_2) {
1756 snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
1757 } else {
1758 snd_iprintf(buffer, "ADAT3: No Lock\n");
1759 }
1760
1761 snd_iprintf(buffer, "\n");
1762
1763 snd_iprintf(buffer, "Timecode signal: %s\n",
1764 (status & RME9652_tc_valid) ? "yes" : "no");
1765
1766 /* thru modes */
1767
1768 snd_iprintf(buffer, "Punch Status:\n\n");
1769
1770 for (i = 0; i < rme9652->ss_channels; i++) {
1771 if (thru_bits & (1 << i)) {
1772 snd_iprintf(buffer, "%2d: on ", i + 1);
1773 } else {
1774 snd_iprintf(buffer, "%2d: off ", i + 1);
1775 }
1776
1777 if (((i + 1) % 8) == 0) {
1778 snd_iprintf(buffer, "\n");
1779 }
1780 }
1781
1782 snd_iprintf(buffer, "\n");
1783 }
1784
1785 static void __devinit snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
1786 {
1787 struct snd_info_entry *entry;
1788
1789 if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
1790 snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
1791 }
1792
1793 static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
1794 {
1795 snd_hammerfall_free_buffer(&rme9652->capture_dma_buf, rme9652->pci);
1796 snd_hammerfall_free_buffer(&rme9652->playback_dma_buf, rme9652->pci);
1797 }
1798
1799 static int snd_rme9652_free(struct snd_rme9652 *rme9652)
1800 {
1801 if (rme9652->irq >= 0)
1802 rme9652_stop(rme9652);
1803 snd_rme9652_free_buffers(rme9652);
1804
1805 if (rme9652->irq >= 0)
1806 free_irq(rme9652->irq, (void *)rme9652);
1807 if (rme9652->iobase)
1808 iounmap(rme9652->iobase);
1809 if (rme9652->port)
1810 pci_release_regions(rme9652->pci);
1811
1812 pci_disable_device(rme9652->pci);
1813 return 0;
1814 }
1815
1816 static int __devinit snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
1817 {
1818 unsigned long pb_bus, cb_bus;
1819
1820 if (snd_hammerfall_get_buffer(rme9652->pci, &rme9652->capture_dma_buf, RME9652_DMA_AREA_BYTES) < 0 ||
1821 snd_hammerfall_get_buffer(rme9652->pci, &rme9652->playback_dma_buf, RME9652_DMA_AREA_BYTES) < 0) {
1822 if (rme9652->capture_dma_buf.area)
1823 snd_dma_free_pages(&rme9652->capture_dma_buf);
1824 printk(KERN_ERR "%s: no buffers available\n", rme9652->card_name);
1825 return -ENOMEM;
1826 }
1827
1828 /* Align to bus-space 64K boundary */
1829
1830 cb_bus = (rme9652->capture_dma_buf.addr + 0xFFFF) & ~0xFFFFl;
1831 pb_bus = (rme9652->playback_dma_buf.addr + 0xFFFF) & ~0xFFFFl;
1832
1833 /* Tell the card where it is */
1834
1835 rme9652_write(rme9652, RME9652_rec_buffer, cb_bus);
1836 rme9652_write(rme9652, RME9652_play_buffer, pb_bus);
1837
1838 rme9652->capture_buffer = rme9652->capture_dma_buf.area + (cb_bus - rme9652->capture_dma_buf.addr);
1839 rme9652->playback_buffer = rme9652->playback_dma_buf.area + (pb_bus - rme9652->playback_dma_buf.addr);
1840
1841 return 0;
1842 }
1843
1844 static void snd_rme9652_set_defaults(struct snd_rme9652 *rme9652)
1845 {
1846 unsigned int k;
1847
1848 /* ASSUMPTION: rme9652->lock is either held, or
1849 there is no need to hold it (e.g. during module
1850 initalization).
1851 */
1852
1853 /* set defaults:
1854
1855 SPDIF Input via Coax
1856 autosync clock mode
1857 maximum latency (7 = 8192 samples, 64Kbyte buffer,
1858 which implies 2 4096 sample, 32Kbyte periods).
1859
1860 if rev 1.5, initialize the S/PDIF receiver.
1861
1862 */
1863
1864 rme9652->control_register =
1865 RME9652_inp_0 | rme9652_encode_latency(7);
1866
1867 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
1868
1869 rme9652_reset_hw_pointer(rme9652);
1870 rme9652_compute_period_size(rme9652);
1871
1872 /* default: thru off for all channels */
1873
1874 for (k = 0; k < RME9652_NCHANNELS; ++k)
1875 rme9652_write(rme9652, RME9652_thru_base + k * 4, 0);
1876
1877 rme9652->thru_bits = 0;
1878 rme9652->passthru = 0;
1879
1880 /* set a default rate so that the channel map is set up */
1881
1882 rme9652_set_rate(rme9652, 48000);
1883 }
1884
1885 static irqreturn_t snd_rme9652_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1886 {
1887 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) dev_id;
1888
1889 if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
1890 return IRQ_NONE;
1891 }
1892
1893 rme9652_write(rme9652, RME9652_irq_clear, 0);
1894
1895 if (rme9652->capture_substream) {
1896 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
1897 }
1898
1899 if (rme9652->playback_substream) {
1900 snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
1901 }
1902 return IRQ_HANDLED;
1903 }
1904
1905 static snd_pcm_uframes_t snd_rme9652_hw_pointer(struct snd_pcm_substream *substream)
1906 {
1907 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1908 return rme9652_hw_pointer(rme9652);
1909 }
1910
1911 static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
1912 int stream,
1913 int channel)
1914
1915 {
1916 int mapped_channel;
1917
1918 snd_assert(channel >= 0 || channel < RME9652_NCHANNELS, return NULL);
1919
1920 if ((mapped_channel = rme9652->channel_map[channel]) < 0) {
1921 return NULL;
1922 }
1923
1924 if (stream == SNDRV_PCM_STREAM_CAPTURE) {
1925 return rme9652->capture_buffer +
1926 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1927 } else {
1928 return rme9652->playback_buffer +
1929 (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
1930 }
1931 }
1932
1933 static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel,
1934 snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
1935 {
1936 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1937 char *channel_buf;
1938
1939 snd_assert(pos + count <= RME9652_CHANNEL_BUFFER_BYTES / 4, return -EINVAL);
1940
1941 channel_buf = rme9652_channel_buffer_location (rme9652,
1942 substream->pstr->stream,
1943 channel);
1944 snd_assert(channel_buf != NULL, return -EIO);
1945 if (copy_from_user(channel_buf + pos * 4, src, count * 4))
1946 return -EFAULT;
1947 return count;
1948 }
1949
1950 static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel,
1951 snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
1952 {
1953 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1954 char *channel_buf;
1955
1956 snd_assert(pos + count <= RME9652_CHANNEL_BUFFER_BYTES / 4, return -EINVAL);
1957
1958 channel_buf = rme9652_channel_buffer_location (rme9652,
1959 substream->pstr->stream,
1960 channel);
1961 snd_assert(channel_buf != NULL, return -EIO);
1962 if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
1963 return -EFAULT;
1964 return count;
1965 }
1966
1967 static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel,
1968 snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
1969 {
1970 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1971 char *channel_buf;
1972
1973 channel_buf = rme9652_channel_buffer_location (rme9652,
1974 substream->pstr->stream,
1975 channel);
1976 snd_assert(channel_buf != NULL, return -EIO);
1977 memset(channel_buf + pos * 4, 0, count * 4);
1978 return count;
1979 }
1980
1981 static int snd_rme9652_reset(struct snd_pcm_substream *substream)
1982 {
1983 struct snd_pcm_runtime *runtime = substream->runtime;
1984 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1985 struct snd_pcm_substream *other;
1986 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1987 other = rme9652->capture_substream;
1988 else
1989 other = rme9652->playback_substream;
1990 if (rme9652->running)
1991 runtime->status->hw_ptr = rme9652_hw_pointer(rme9652);
1992 else
1993 runtime->status->hw_ptr = 0;
1994 if (other) {
1995 struct list_head *pos;
1996 struct snd_pcm_substream *s;
1997 struct snd_pcm_runtime *oruntime = other->runtime;
1998 snd_pcm_group_for_each(pos, substream) {
1999 s = snd_pcm_group_substream_entry(pos);
2000 if (s == other) {
2001 oruntime->status->hw_ptr = runtime->status->hw_ptr;
2002 break;
2003 }
2004 }
2005 }
2006 return 0;
2007 }
2008
2009 static int snd_rme9652_hw_params(struct snd_pcm_substream *substream,
2010 struct snd_pcm_hw_params *params)
2011 {
2012 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2013 int err;
2014 pid_t this_pid;
2015 pid_t other_pid;
2016
2017 spin_lock_irq(&rme9652->lock);
2018
2019 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2020 rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
2021 rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= rme9652->creg_spdif_stream);
2022 this_pid = rme9652->playback_pid;
2023 other_pid = rme9652->capture_pid;
2024 } else {
2025 this_pid = rme9652->capture_pid;
2026 other_pid = rme9652->playback_pid;
2027 }
2028
2029 if ((other_pid > 0) && (this_pid != other_pid)) {
2030
2031 /* The other stream is open, and not by the same
2032 task as this one. Make sure that the parameters
2033 that matter are the same.
2034 */
2035
2036 if ((int)params_rate(params) !=
2037 rme9652_adat_sample_rate(rme9652)) {
2038 spin_unlock_irq(&rme9652->lock);
2039 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2040 return -EBUSY;
2041 }
2042
2043 if (params_period_size(params) != rme9652->period_bytes / 4) {
2044 spin_unlock_irq(&rme9652->lock);
2045 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2046 return -EBUSY;
2047 }
2048
2049 /* We're fine. */
2050
2051 spin_unlock_irq(&rme9652->lock);
2052 return 0;
2053
2054 } else {
2055 spin_unlock_irq(&rme9652->lock);
2056 }
2057
2058 /* how to make sure that the rate matches an externally-set one ?
2059 */
2060
2061 if ((err = rme9652_set_rate(rme9652, params_rate(params))) < 0) {
2062 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
2063 return err;
2064 }
2065
2066 if ((err = rme9652_set_interrupt_interval(rme9652, params_period_size(params))) < 0) {
2067 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2068 return err;
2069 }
2070
2071 return 0;
2072 }
2073
2074 static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
2075 struct snd_pcm_channel_info *info)
2076 {
2077 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2078 int chn;
2079
2080 snd_assert(info->channel < RME9652_NCHANNELS, return -EINVAL);
2081
2082 if ((chn = rme9652->channel_map[info->channel]) < 0) {
2083 return -EINVAL;
2084 }
2085
2086 info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
2087 info->first = 0;
2088 info->step = 32;
2089 return 0;
2090 }
2091
2092 static int snd_rme9652_ioctl(struct snd_pcm_substream *substream,
2093 unsigned int cmd, void *arg)
2094 {
2095 switch (cmd) {
2096 case SNDRV_PCM_IOCTL1_RESET:
2097 {
2098 return snd_rme9652_reset(substream);
2099 }
2100 case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
2101 {
2102 struct snd_pcm_channel_info *info = arg;
2103 return snd_rme9652_channel_info(substream, info);
2104 }
2105 default:
2106 break;
2107 }
2108
2109 return snd_pcm_lib_ioctl(substream, cmd, arg);
2110 }
2111
2112 static void rme9652_silence_playback(struct snd_rme9652 *rme9652)
2113 {
2114 memset(rme9652->playback_buffer, 0, RME9652_DMA_AREA_BYTES);
2115 }
2116
2117 static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
2118 int cmd)
2119 {
2120 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2121 struct snd_pcm_substream *other;
2122 int running;
2123 spin_lock(&rme9652->lock);
2124 running = rme9652->running;
2125 switch (cmd) {
2126 case SNDRV_PCM_TRIGGER_START:
2127 running |= 1 << substream->stream;
2128 break;
2129 case SNDRV_PCM_TRIGGER_STOP:
2130 running &= ~(1 << substream->stream);
2131 break;
2132 default:
2133 snd_BUG();
2134 spin_unlock(&rme9652->lock);
2135 return -EINVAL;
2136 }
2137 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2138 other = rme9652->capture_substream;
2139 else
2140 other = rme9652->playback_substream;
2141
2142 if (other) {
2143 struct list_head *pos;
2144 struct snd_pcm_substream *s;
2145 snd_pcm_group_for_each(pos, substream) {
2146 s = snd_pcm_group_substream_entry(pos);
2147 if (s == other) {
2148 snd_pcm_trigger_done(s, substream);
2149 if (cmd == SNDRV_PCM_TRIGGER_START)
2150 running |= 1 << s->stream;
2151 else
2152 running &= ~(1 << s->stream);
2153 goto _ok;
2154 }
2155 }
2156 if (cmd == SNDRV_PCM_TRIGGER_START) {
2157 if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
2158 substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2159 rme9652_silence_playback(rme9652);
2160 } else {
2161 if (running &&
2162 substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2163 rme9652_silence_playback(rme9652);
2164 }
2165 } else {
2166 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2167 rme9652_silence_playback(rme9652);
2168 }
2169 _ok:
2170 snd_pcm_trigger_done(substream, substream);
2171 if (!rme9652->running && running)
2172 rme9652_start(rme9652);
2173 else if (rme9652->running && !running)
2174 rme9652_stop(rme9652);
2175 rme9652->running = running;
2176 spin_unlock(&rme9652->lock);
2177
2178 return 0;
2179 }
2180
2181 static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
2182 {
2183 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2184 unsigned long flags;
2185 int result = 0;
2186
2187 spin_lock_irqsave(&rme9652->lock, flags);
2188 if (!rme9652->running)
2189 rme9652_reset_hw_pointer(rme9652);
2190 spin_unlock_irqrestore(&rme9652->lock, flags);
2191 return result;
2192 }
2193
2194 static struct snd_pcm_hardware snd_rme9652_playback_subinfo =
2195 {
2196 .info = (SNDRV_PCM_INFO_MMAP |
2197 SNDRV_PCM_INFO_MMAP_VALID |
2198 SNDRV_PCM_INFO_NONINTERLEAVED |
2199 SNDRV_PCM_INFO_SYNC_START |
2200 SNDRV_PCM_INFO_DOUBLE),
2201 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2202 .rates = (SNDRV_PCM_RATE_44100 |
2203 SNDRV_PCM_RATE_48000 |
2204 SNDRV_PCM_RATE_88200 |
2205 SNDRV_PCM_RATE_96000),
2206 .rate_min = 44100,
2207 .rate_max = 96000,
2208 .channels_min = 10,
2209 .channels_max = 26,
2210 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES * 26,
2211 .period_bytes_min = (64 * 4) * 10,
2212 .period_bytes_max = (8192 * 4) * 26,
2213 .periods_min = 2,
2214 .periods_max = 2,
2215 .fifo_size = 0,
2216 };
2217
2218 static struct snd_pcm_hardware snd_rme9652_capture_subinfo =
2219 {
2220 .info = (SNDRV_PCM_INFO_MMAP |
2221 SNDRV_PCM_INFO_MMAP_VALID |
2222 SNDRV_PCM_INFO_NONINTERLEAVED |
2223 SNDRV_PCM_INFO_SYNC_START),
2224 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2225 .rates = (SNDRV_PCM_RATE_44100 |
2226 SNDRV_PCM_RATE_48000 |
2227 SNDRV_PCM_RATE_88200 |
2228 SNDRV_PCM_RATE_96000),
2229 .rate_min = 44100,
2230 .rate_max = 96000,
2231 .channels_min = 10,
2232 .channels_max = 26,
2233 .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES *26,
2234 .period_bytes_min = (64 * 4) * 10,
2235 .period_bytes_max = (8192 * 4) * 26,
2236 .periods_min = 2,
2237 .periods_max = 2,
2238 .fifo_size = 0,
2239 };
2240
2241 static unsigned int period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
2242
2243 static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
2244 .count = ARRAY_SIZE(period_sizes),
2245 .list = period_sizes,
2246 .mask = 0
2247 };
2248
2249 static int snd_rme9652_hw_rule_channels(struct snd_pcm_hw_params *params,
2250 struct snd_pcm_hw_rule *rule)
2251 {
2252 struct snd_rme9652 *rme9652 = rule->private;
2253 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2254 unsigned int list[2] = { rme9652->ds_channels, rme9652->ss_channels };
2255 return snd_interval_list(c, 2, list, 0);
2256 }
2257
2258 static int snd_rme9652_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
2259 struct snd_pcm_hw_rule *rule)
2260 {
2261 struct snd_rme9652 *rme9652 = rule->private;
2262 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2263 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2264 if (r->min > 48000) {
2265 struct snd_interval t = {
2266 .min = rme9652->ds_channels,
2267 .max = rme9652->ds_channels,
2268 .integer = 1,
2269 };
2270 return snd_interval_refine(c, &t);
2271 } else if (r->max < 88200) {
2272 struct snd_interval t = {
2273 .min = rme9652->ss_channels,
2274 .max = rme9652->ss_channels,
2275 .integer = 1,
2276 };
2277 return snd_interval_refine(c, &t);
2278 }
2279 return 0;
2280 }
2281
2282 static int snd_rme9652_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
2283 struct snd_pcm_hw_rule *rule)
2284 {
2285 struct snd_rme9652 *rme9652 = rule->private;
2286 struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
2287 struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
2288 if (c->min >= rme9652->ss_channels) {
2289 struct snd_interval t = {
2290 .min = 44100,
2291 .max = 48000,
2292 .integer = 1,
2293 };
2294 return snd_interval_refine(r, &t);
2295 } else if (c->max <= rme9652->ds_channels) {
2296 struct snd_interval t = {
2297 .min = 88200,
2298 .max = 96000,
2299 .integer = 1,
2300 };
2301 return snd_interval_refine(r, &t);
2302 }
2303 return 0;
2304 }
2305
2306 static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
2307 {
2308 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2309 struct snd_pcm_runtime *runtime = substream->runtime;
2310
2311 spin_lock_irq(&rme9652->lock);
2312
2313 snd_pcm_set_sync(substream);
2314
2315 runtime->hw = snd_rme9652_playback_subinfo;
2316 runtime->dma_area = rme9652->playback_buffer;
2317 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2318
2319 if (rme9652->capture_substream == NULL) {
2320 rme9652_stop(rme9652);
2321 rme9652_set_thru(rme9652, -1, 0);
2322 }
2323
2324 rme9652->playback_pid = current->pid;
2325 rme9652->playback_substream = substream;
2326
2327 spin_unlock_irq(&rme9652->lock);
2328
2329 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2330 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2331 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2332 snd_rme9652_hw_rule_channels, rme9652,
2333 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2334 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2335 snd_rme9652_hw_rule_channels_rate, rme9652,
2336 SNDRV_PCM_HW_PARAM_RATE, -1);
2337 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2338 snd_rme9652_hw_rule_rate_channels, rme9652,
2339 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2340
2341 rme9652->creg_spdif_stream = rme9652->creg_spdif;
2342 rme9652->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2343 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2344 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2345 return 0;
2346 }
2347
2348 static int snd_rme9652_playback_release(struct snd_pcm_substream *substream)
2349 {
2350 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2351
2352 spin_lock_irq(&rme9652->lock);
2353
2354 rme9652->playback_pid = -1;
2355 rme9652->playback_substream = NULL;
2356
2357 spin_unlock_irq(&rme9652->lock);
2358
2359 rme9652->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2360 snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
2361 SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
2362 return 0;
2363 }
2364
2365
2366 static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
2367 {
2368 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2369 struct snd_pcm_runtime *runtime = substream->runtime;
2370
2371 spin_lock_irq(&rme9652->lock);
2372
2373 snd_pcm_set_sync(substream);
2374
2375 runtime->hw = snd_rme9652_capture_subinfo;
2376 runtime->dma_area = rme9652->capture_buffer;
2377 runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
2378
2379 if (rme9652->playback_substream == NULL) {
2380 rme9652_stop(rme9652);
2381 rme9652_set_thru(rme9652, -1, 0);
2382 }
2383
2384 rme9652->capture_pid = current->pid;
2385 rme9652->capture_substream = substream;
2386
2387 spin_unlock_irq(&rme9652->lock);
2388
2389 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
2390 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
2391 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2392 snd_rme9652_hw_rule_channels, rme9652,
2393 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2394 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
2395 snd_rme9652_hw_rule_channels_rate, rme9652,
2396 SNDRV_PCM_HW_PARAM_RATE, -1);
2397 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
2398 snd_rme9652_hw_rule_rate_channels, rme9652,
2399 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
2400 return 0;
2401 }
2402
2403 static int snd_rme9652_capture_release(struct snd_pcm_substream *substream)
2404 {
2405 struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
2406
2407 spin_lock_irq(&rme9652->lock);
2408
2409 rme9652->capture_pid = -1;
2410 rme9652->capture_substream = NULL;
2411
2412 spin_unlock_irq(&rme9652->lock);
2413 return 0;
2414 }
2415
2416 static struct snd_pcm_ops snd_rme9652_playback_ops = {
2417 .open = snd_rme9652_playback_open,
2418 .close = snd_rme9652_playback_release,
2419 .ioctl = snd_rme9652_ioctl,
2420 .hw_params = snd_rme9652_hw_params,
2421 .prepare = snd_rme9652_prepare,
2422 .trigger = snd_rme9652_trigger,
2423 .pointer = snd_rme9652_hw_pointer,
2424 .copy = snd_rme9652_playback_copy,
2425 .silence = snd_rme9652_hw_silence,
2426 };
2427
2428 static struct snd_pcm_ops snd_rme9652_capture_ops = {
2429 .open = snd_rme9652_capture_open,
2430 .close = snd_rme9652_capture_release,
2431 .ioctl = snd_rme9652_ioctl,
2432 .hw_params = snd_rme9652_hw_params,
2433 .prepare = snd_rme9652_prepare,
2434 .trigger = snd_rme9652_trigger,
2435 .pointer = snd_rme9652_hw_pointer,
2436 .copy = snd_rme9652_capture_copy,
2437 };
2438
2439 static int __devinit snd_rme9652_create_pcm(struct snd_card *card,
2440 struct snd_rme9652 *rme9652)
2441 {
2442 struct snd_pcm *pcm;
2443 int err;
2444
2445 if ((err = snd_pcm_new(card,
2446 rme9652->card_name,
2447 0, 1, 1, &pcm)) < 0) {
2448 return err;
2449 }
2450
2451 rme9652->pcm = pcm;
2452 pcm->private_data = rme9652;
2453 strcpy(pcm->name, rme9652->card_name);
2454
2455 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme9652_playback_ops);
2456 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme9652_capture_ops);
2457
2458 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2459
2460 return 0;
2461 }
2462
2463 static int __devinit snd_rme9652_create(struct snd_card *card,
2464 struct snd_rme9652 *rme9652,
2465 int precise_ptr)
2466 {
2467 struct pci_dev *pci = rme9652->pci;
2468 int err;
2469 int status;
2470 unsigned short rev;
2471
2472 rme9652->irq = -1;
2473 rme9652->card = card;
2474
2475 pci_read_config_word(rme9652->pci, PCI_CLASS_REVISION, &rev);
2476
2477 switch (rev & 0xff) {
2478 case 3:
2479 case 4:
2480 case 8:
2481 case 9:
2482 break;
2483
2484 default:
2485 /* who knows? */
2486 return -ENODEV;
2487 }
2488
2489 if ((err = pci_enable_device(pci)) < 0)
2490 return err;
2491
2492 spin_lock_init(&rme9652->lock);
2493
2494 if ((err = pci_request_regions(pci, "rme9652")) < 0)
2495 return err;
2496 rme9652->port = pci_resource_start(pci, 0);
2497 rme9652->iobase = ioremap_nocache(rme9652->port, RME9652_IO_EXTENT);
2498 if (rme9652->iobase == NULL) {
2499 snd_printk(KERN_ERR "unable to remap region 0x%lx-0x%lx\n", rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1);
2500 return -EBUSY;
2501 }
2502
2503 if (request_irq(pci->irq, snd_rme9652_interrupt, SA_INTERRUPT|SA_SHIRQ, "rme9652", (void *)rme9652)) {
2504 snd_printk(KERN_ERR "unable to request IRQ %d\n", pci->irq);
2505 return -EBUSY;
2506 }
2507 rme9652->irq = pci->irq;
2508 rme9652->precise_ptr = precise_ptr;
2509
2510 /* Determine the h/w rev level of the card. This seems like
2511 a particularly kludgy way to encode it, but its what RME
2512 chose to do, so we follow them ...
2513 */
2514
2515 status = rme9652_read(rme9652, RME9652_status_register);
2516 if (rme9652_decode_spdif_rate(status&RME9652_F) == 1) {
2517 rme9652->hw_rev = 15;
2518 } else {
2519 rme9652->hw_rev = 11;
2520 }
2521
2522 /* Differentiate between the standard Hammerfall, and the
2523 "Light", which does not have the expansion board. This
2524 method comes from information received from Mathhias
2525 Clausen at RME. Display the EEPROM and h/w revID where
2526 relevant.
2527 */
2528
2529 switch (rev) {
2530 case 8: /* original eprom */
2531 strcpy(card->driver, "RME9636");
2532 if (rme9652->hw_rev == 15) {
2533 rme9652->card_name = "RME Digi9636 (Rev 1.5)";
2534 } else {
2535 rme9652->card_name = "RME Digi9636";
2536 }
2537 rme9652->ss_channels = RME9636_NCHANNELS;
2538 break;
2539 case 9: /* W36_G EPROM */
2540 strcpy(card->driver, "RME9636");
2541 rme9652->card_name = "RME Digi9636 (Rev G)";
2542 rme9652->ss_channels = RME9636_NCHANNELS;
2543 break;
2544 case 4: /* W52_G EPROM */
2545 strcpy(card->driver, "RME9652");
2546 rme9652->card_name = "RME Digi9652 (Rev G)";
2547 rme9652->ss_channels = RME9652_NCHANNELS;
2548 break;
2549 case 3: /* original eprom */
2550 strcpy(card->driver, "RME9652");
2551 if (rme9652->hw_rev == 15) {
2552 rme9652->card_name = "RME Digi9652 (Rev 1.5)";
2553 } else {
2554 rme9652->card_name = "RME Digi9652";
2555 }
2556 rme9652->ss_channels = RME9652_NCHANNELS;
2557 break;
2558 }
2559
2560 rme9652->ds_channels = (rme9652->ss_channels - 2) / 2 + 2;
2561
2562 pci_set_master(rme9652->pci);
2563
2564 if ((err = snd_rme9652_initialize_memory(rme9652)) < 0) {
2565 return err;
2566 }
2567
2568 if ((err = snd_rme9652_create_pcm(card, rme9652)) < 0) {
2569 return err;
2570 }
2571
2572 if ((err = snd_rme9652_create_controls(card, rme9652)) < 0) {
2573 return err;
2574 }
2575
2576 snd_rme9652_proc_init(rme9652);
2577
2578 rme9652->last_spdif_sample_rate = -1;
2579 rme9652->last_adat_sample_rate = -1;
2580 rme9652->playback_pid = -1;
2581 rme9652->capture_pid = -1;
2582 rme9652->capture_substream = NULL;
2583 rme9652->playback_substream = NULL;
2584
2585 snd_rme9652_set_defaults(rme9652);
2586
2587 if (rme9652->hw_rev == 15) {
2588 rme9652_initialize_spdif_receiver (rme9652);
2589 }
2590
2591 return 0;
2592 }
2593
2594 static void snd_rme9652_card_free(struct snd_card *card)
2595 {
2596 struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) card->private_data;
2597
2598 if (rme9652)
2599 snd_rme9652_free(rme9652);
2600 }
2601
2602 static int __devinit snd_rme9652_probe(struct pci_dev *pci,
2603 const struct pci_device_id *pci_id)
2604 {
2605 static int dev;
2606 struct snd_rme9652 *rme9652;
2607 struct snd_card *card;
2608 int err;
2609
2610 if (dev >= SNDRV_CARDS)
2611 return -ENODEV;
2612 if (!enable[dev]) {
2613 dev++;
2614 return -ENOENT;
2615 }
2616
2617 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
2618 sizeof(struct snd_rme9652));
2619
2620 if (!card)
2621 return -ENOMEM;
2622
2623 rme9652 = (struct snd_rme9652 *) card->private_data;
2624 card->private_free = snd_rme9652_card_free;
2625 rme9652->dev = dev;
2626 rme9652->pci = pci;
2627 snd_card_set_dev(card, &pci->dev);
2628
2629 if ((err = snd_rme9652_create(card, rme9652, precise_ptr[dev])) < 0) {
2630 snd_card_free(card);
2631 return err;
2632 }
2633
2634 strcpy(card->shortname, rme9652->card_name);
2635
2636 sprintf(card->longname, "%s at 0x%lx, irq %d",
2637 card->shortname, rme9652->port, rme9652->irq);
2638
2639
2640 if ((err = snd_card_register(card)) < 0) {
2641 snd_card_free(card);
2642 return err;
2643 }
2644 pci_set_drvdata(pci, card);
2645 dev++;
2646 return 0;
2647 }
2648
2649 static void __devexit snd_rme9652_remove(struct pci_dev *pci)
2650 {
2651 snd_card_free(pci_get_drvdata(pci));
2652 pci_set_drvdata(pci, NULL);
2653 }
2654
2655 static struct pci_driver driver = {
2656 .name = "RME Digi9652 (Hammerfall)",
2657 .id_table = snd_rme9652_ids,
2658 .probe = snd_rme9652_probe,
2659 .remove = __devexit_p(snd_rme9652_remove),
2660 };
2661
2662 static int __init alsa_card_hammerfall_init(void)
2663 {
2664 return pci_register_driver(&driver);
2665 }
2666
2667 static void __exit alsa_card_hammerfall_exit(void)
2668 {
2669 pci_unregister_driver(&driver);
2670 }
2671
2672 module_init(alsa_card_hammerfall_init)
2673 module_exit(alsa_card_hammerfall_exit)
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree