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VIRTIO: Use __skb_queue_purge()
[linux-2.6/mini2440.git] / sound / pci / rme96.c
blob3fdd488d09759afca5389383c76590e57bb4dc63
1 /*
2 * ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
3 * interfaces
4 *
5 * Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
6 *
7 * Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
8 * code.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/interrupt.h>
29 #include <linux/pci.h>
30 #include <linux/slab.h>
31 #include <linux/moduleparam.h>
32
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/control.h>
36 #include <sound/pcm.h>
37 #include <sound/pcm_params.h>
38 #include <sound/asoundef.h>
39 #include <sound/initval.h>
40
41 #include <asm/io.h>
42
43 /* note, two last pcis should be equal, it is not a bug */
44
45 MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
46 MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
47 "Digi96/8 PAD");
48 MODULE_LICENSE("GPL");
49 MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
50 "{RME,Digi96/8},"
51 "{RME,Digi96/8 PRO},"
52 "{RME,Digi96/8 PST},"
53 "{RME,Digi96/8 PAD}}");
54
55 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
56 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
57 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
58
59 module_param_array(index, int, NULL, 0444);
60 MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
61 module_param_array(id, charp, NULL, 0444);
62 MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
63 module_param_array(enable, bool, NULL, 0444);
64 MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
65
66 /*
67 * Defines for RME Digi96 series, from internal RME reference documents
68 * dated 12.01.00
69 */
70
71 #define RME96_SPDIF_NCHANNELS 2
72
73 /* Playback and capture buffer size */
74 #define RME96_BUFFER_SIZE 0x10000
75
76 /* IO area size */
77 #define RME96_IO_SIZE 0x60000
78
79 /* IO area offsets */
80 #define RME96_IO_PLAY_BUFFER 0x0
81 #define RME96_IO_REC_BUFFER 0x10000
82 #define RME96_IO_CONTROL_REGISTER 0x20000
83 #define RME96_IO_ADDITIONAL_REG 0x20004
84 #define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
85 #define RME96_IO_CONFIRM_REC_IRQ 0x2000C
86 #define RME96_IO_SET_PLAY_POS 0x40000
87 #define RME96_IO_RESET_PLAY_POS 0x4FFFC
88 #define RME96_IO_SET_REC_POS 0x50000
89 #define RME96_IO_RESET_REC_POS 0x5FFFC
90 #define RME96_IO_GET_PLAY_POS 0x20000
91 #define RME96_IO_GET_REC_POS 0x30000
92
93 /* Write control register bits */
94 #define RME96_WCR_START (1 << 0)
95 #define RME96_WCR_START_2 (1 << 1)
96 #define RME96_WCR_GAIN_0 (1 << 2)
97 #define RME96_WCR_GAIN_1 (1 << 3)
98 #define RME96_WCR_MODE24 (1 << 4)
99 #define RME96_WCR_MODE24_2 (1 << 5)
100 #define RME96_WCR_BM (1 << 6)
101 #define RME96_WCR_BM_2 (1 << 7)
102 #define RME96_WCR_ADAT (1 << 8)
103 #define RME96_WCR_FREQ_0 (1 << 9)
104 #define RME96_WCR_FREQ_1 (1 << 10)
105 #define RME96_WCR_DS (1 << 11)
106 #define RME96_WCR_PRO (1 << 12)
107 #define RME96_WCR_EMP (1 << 13)
108 #define RME96_WCR_SEL (1 << 14)
109 #define RME96_WCR_MASTER (1 << 15)
110 #define RME96_WCR_PD (1 << 16)
111 #define RME96_WCR_INP_0 (1 << 17)
112 #define RME96_WCR_INP_1 (1 << 18)
113 #define RME96_WCR_THRU_0 (1 << 19)
114 #define RME96_WCR_THRU_1 (1 << 20)
115 #define RME96_WCR_THRU_2 (1 << 21)
116 #define RME96_WCR_THRU_3 (1 << 22)
117 #define RME96_WCR_THRU_4 (1 << 23)
118 #define RME96_WCR_THRU_5 (1 << 24)
119 #define RME96_WCR_THRU_6 (1 << 25)
120 #define RME96_WCR_THRU_7 (1 << 26)
121 #define RME96_WCR_DOLBY (1 << 27)
122 #define RME96_WCR_MONITOR_0 (1 << 28)
123 #define RME96_WCR_MONITOR_1 (1 << 29)
124 #define RME96_WCR_ISEL (1 << 30)
125 #define RME96_WCR_IDIS (1 << 31)
126
127 #define RME96_WCR_BITPOS_GAIN_0 2
128 #define RME96_WCR_BITPOS_GAIN_1 3
129 #define RME96_WCR_BITPOS_FREQ_0 9
130 #define RME96_WCR_BITPOS_FREQ_1 10
131 #define RME96_WCR_BITPOS_INP_0 17
132 #define RME96_WCR_BITPOS_INP_1 18
133 #define RME96_WCR_BITPOS_MONITOR_0 28
134 #define RME96_WCR_BITPOS_MONITOR_1 29
135
136 /* Read control register bits */
137 #define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
138 #define RME96_RCR_IRQ_2 (1 << 16)
139 #define RME96_RCR_T_OUT (1 << 17)
140 #define RME96_RCR_DEV_ID_0 (1 << 21)
141 #define RME96_RCR_DEV_ID_1 (1 << 22)
142 #define RME96_RCR_LOCK (1 << 23)
143 #define RME96_RCR_VERF (1 << 26)
144 #define RME96_RCR_F0 (1 << 27)
145 #define RME96_RCR_F1 (1 << 28)
146 #define RME96_RCR_F2 (1 << 29)
147 #define RME96_RCR_AUTOSYNC (1 << 30)
148 #define RME96_RCR_IRQ (1 << 31)
149
150 #define RME96_RCR_BITPOS_F0 27
151 #define RME96_RCR_BITPOS_F1 28
152 #define RME96_RCR_BITPOS_F2 29
153
154 /* Additonal register bits */
155 #define RME96_AR_WSEL (1 << 0)
156 #define RME96_AR_ANALOG (1 << 1)
157 #define RME96_AR_FREQPAD_0 (1 << 2)
158 #define RME96_AR_FREQPAD_1 (1 << 3)
159 #define RME96_AR_FREQPAD_2 (1 << 4)
160 #define RME96_AR_PD2 (1 << 5)
161 #define RME96_AR_DAC_EN (1 << 6)
162 #define RME96_AR_CLATCH (1 << 7)
163 #define RME96_AR_CCLK (1 << 8)
164 #define RME96_AR_CDATA (1 << 9)
165
166 #define RME96_AR_BITPOS_F0 2
167 #define RME96_AR_BITPOS_F1 3
168 #define RME96_AR_BITPOS_F2 4
169
170 /* Monitor tracks */
171 #define RME96_MONITOR_TRACKS_1_2 0
172 #define RME96_MONITOR_TRACKS_3_4 1
173 #define RME96_MONITOR_TRACKS_5_6 2
174 #define RME96_MONITOR_TRACKS_7_8 3
175
176 /* Attenuation */
177 #define RME96_ATTENUATION_0 0
178 #define RME96_ATTENUATION_6 1
179 #define RME96_ATTENUATION_12 2
180 #define RME96_ATTENUATION_18 3
181
182 /* Input types */
183 #define RME96_INPUT_OPTICAL 0
184 #define RME96_INPUT_COAXIAL 1
185 #define RME96_INPUT_INTERNAL 2
186 #define RME96_INPUT_XLR 3
187 #define RME96_INPUT_ANALOG 4
188
189 /* Clock modes */
190 #define RME96_CLOCKMODE_SLAVE 0
191 #define RME96_CLOCKMODE_MASTER 1
192 #define RME96_CLOCKMODE_WORDCLOCK 2
193
194 /* Block sizes in bytes */
195 #define RME96_SMALL_BLOCK_SIZE 2048
196 #define RME96_LARGE_BLOCK_SIZE 8192
197
198 /* Volume control */
199 #define RME96_AD1852_VOL_BITS 14
200 #define RME96_AD1855_VOL_BITS 10
201
202
203 struct rme96 {
204 spinlock_t lock;
205 int irq;
206 unsigned long port;
207 void __iomem *iobase;
208
209 u32 wcreg; /* cached write control register value */
210 u32 wcreg_spdif; /* S/PDIF setup */
211 u32 wcreg_spdif_stream; /* S/PDIF setup (temporary) */
212 u32 rcreg; /* cached read control register value */
213 u32 areg; /* cached additional register value */
214 u16 vol[2]; /* cached volume of analog output */
215
216 u8 rev; /* card revision number */
217
218 struct snd_pcm_substream *playback_substream;
219 struct snd_pcm_substream *capture_substream;
220
221 int playback_frlog; /* log2 of framesize */
222 int capture_frlog;
223
224 size_t playback_periodsize; /* in bytes, zero if not used */
225 size_t capture_periodsize; /* in bytes, zero if not used */
226
227 struct snd_card *card;
228 struct snd_pcm *spdif_pcm;
229 struct snd_pcm *adat_pcm;
230 struct pci_dev *pci;
231 struct snd_kcontrol *spdif_ctl;
232 };
233
234 static struct pci_device_id snd_rme96_ids[] = {
235 { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96,
236 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
237 { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8,
238 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
239 { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO,
240 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
241 { PCI_VENDOR_ID_XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST,
242 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
243 { 0, }
244 };
245
246 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
247
248 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
249 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
250 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
251 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
252 (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
253 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
254 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
255 ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
256 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
257
258 static int
259 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
260
261 static int
262 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
263
264 static int
265 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
266 int cmd);
267
268 static int
269 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
270 int cmd);
271
272 static snd_pcm_uframes_t
273 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
274
275 static snd_pcm_uframes_t
276 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
277
278 static void __devinit
279 snd_rme96_proc_init(struct rme96 *rme96);
280
281 static int
282 snd_rme96_create_switches(struct snd_card *card,
283 struct rme96 *rme96);
284
285 static int
286 snd_rme96_getinputtype(struct rme96 *rme96);
287
288 static inline unsigned int
289 snd_rme96_playback_ptr(struct rme96 *rme96)
290 {
291 return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
292 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
293 }
294
295 static inline unsigned int
296 snd_rme96_capture_ptr(struct rme96 *rme96)
297 {
298 return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
299 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
300 }
301
302 static int
303 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
304 int channel, /* not used (interleaved data) */
305 snd_pcm_uframes_t pos,
306 snd_pcm_uframes_t count)
307 {
308 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
309 count <<= rme96->playback_frlog;
310 pos <<= rme96->playback_frlog;
311 memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
312 0, count);
313 return 0;
314 }
315
316 static int
317 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
318 int channel, /* not used (interleaved data) */
319 snd_pcm_uframes_t pos,
320 void __user *src,
321 snd_pcm_uframes_t count)
322 {
323 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
324 count <<= rme96->playback_frlog;
325 pos <<= rme96->playback_frlog;
326 copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
327 count);
328 return 0;
329 }
330
331 static int
332 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
333 int channel, /* not used (interleaved data) */
334 snd_pcm_uframes_t pos,
335 void __user *dst,
336 snd_pcm_uframes_t count)
337 {
338 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
339 count <<= rme96->capture_frlog;
340 pos <<= rme96->capture_frlog;
341 copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
342 count);
343 return 0;
344 }
345
346 /*
347 * Digital output capabilities (S/PDIF)
348 */
349 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
350 {
351 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
352 SNDRV_PCM_INFO_MMAP_VALID |
353 SNDRV_PCM_INFO_INTERLEAVED |
354 SNDRV_PCM_INFO_PAUSE),
355 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
356 SNDRV_PCM_FMTBIT_S32_LE),
357 .rates = (SNDRV_PCM_RATE_32000 |
358 SNDRV_PCM_RATE_44100 |
359 SNDRV_PCM_RATE_48000 |
360 SNDRV_PCM_RATE_64000 |
361 SNDRV_PCM_RATE_88200 |
362 SNDRV_PCM_RATE_96000),
363 .rate_min = 32000,
364 .rate_max = 96000,
365 .channels_min = 2,
366 .channels_max = 2,
367 .buffer_bytes_max = RME96_BUFFER_SIZE,
368 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
369 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
370 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
371 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
372 .fifo_size = 0,
373 };
374
375 /*
376 * Digital input capabilities (S/PDIF)
377 */
378 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
379 {
380 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
381 SNDRV_PCM_INFO_MMAP_VALID |
382 SNDRV_PCM_INFO_INTERLEAVED |
383 SNDRV_PCM_INFO_PAUSE),
384 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
385 SNDRV_PCM_FMTBIT_S32_LE),
386 .rates = (SNDRV_PCM_RATE_32000 |
387 SNDRV_PCM_RATE_44100 |
388 SNDRV_PCM_RATE_48000 |
389 SNDRV_PCM_RATE_64000 |
390 SNDRV_PCM_RATE_88200 |
391 SNDRV_PCM_RATE_96000),
392 .rate_min = 32000,
393 .rate_max = 96000,
394 .channels_min = 2,
395 .channels_max = 2,
396 .buffer_bytes_max = RME96_BUFFER_SIZE,
397 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
398 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
399 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
400 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
401 .fifo_size = 0,
402 };
403
404 /*
405 * Digital output capabilities (ADAT)
406 */
407 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
408 {
409 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
410 SNDRV_PCM_INFO_MMAP_VALID |
411 SNDRV_PCM_INFO_INTERLEAVED |
412 SNDRV_PCM_INFO_PAUSE),
413 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
414 SNDRV_PCM_FMTBIT_S32_LE),
415 .rates = (SNDRV_PCM_RATE_44100 |
416 SNDRV_PCM_RATE_48000),
417 .rate_min = 44100,
418 .rate_max = 48000,
419 .channels_min = 8,
420 .channels_max = 8,
421 .buffer_bytes_max = RME96_BUFFER_SIZE,
422 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
423 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
424 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
425 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
426 .fifo_size = 0,
427 };
428
429 /*
430 * Digital input capabilities (ADAT)
431 */
432 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
433 {
434 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
435 SNDRV_PCM_INFO_MMAP_VALID |
436 SNDRV_PCM_INFO_INTERLEAVED |
437 SNDRV_PCM_INFO_PAUSE),
438 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
439 SNDRV_PCM_FMTBIT_S32_LE),
440 .rates = (SNDRV_PCM_RATE_44100 |
441 SNDRV_PCM_RATE_48000),
442 .rate_min = 44100,
443 .rate_max = 48000,
444 .channels_min = 8,
445 .channels_max = 8,
446 .buffer_bytes_max = RME96_BUFFER_SIZE,
447 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
448 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
449 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
450 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
451 .fifo_size = 0,
452 };
453
454 /*
455 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
456 * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
457 * on the falling edge of CCLK and be stable on the rising edge. The rising
458 * edge of CLATCH after the last data bit clocks in the whole data word.
459 * A fast processor could probably drive the SPI interface faster than the
460 * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
461 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
462 *
463 * NOTE: increased delay from 1 to 10, since there where problems setting
464 * the volume.
465 */
466 static void
467 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
468 {
469 int i;
470
471 for (i = 0; i < 16; i++) {
472 if (val & 0x8000) {
473 rme96->areg |= RME96_AR_CDATA;
474 } else {
475 rme96->areg &= ~RME96_AR_CDATA;
476 }
477 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
478 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
479 udelay(10);
480 rme96->areg |= RME96_AR_CCLK;
481 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
482 udelay(10);
483 val <<= 1;
484 }
485 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
486 rme96->areg |= RME96_AR_CLATCH;
487 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
488 udelay(10);
489 rme96->areg &= ~RME96_AR_CLATCH;
490 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
491 }
492
493 static void
494 snd_rme96_apply_dac_volume(struct rme96 *rme96)
495 {
496 if (RME96_DAC_IS_1852(rme96)) {
497 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
498 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
499 } else if (RME96_DAC_IS_1855(rme96)) {
500 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
501 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
502 }
503 }
504
505 static void
506 snd_rme96_reset_dac(struct rme96 *rme96)
507 {
508 writel(rme96->wcreg | RME96_WCR_PD,
509 rme96->iobase + RME96_IO_CONTROL_REGISTER);
510 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
511 }
512
513 static int
514 snd_rme96_getmontracks(struct rme96 *rme96)
515 {
516 return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
517 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
518 }
519
520 static int
521 snd_rme96_setmontracks(struct rme96 *rme96,
522 int montracks)
523 {
524 if (montracks & 1) {
525 rme96->wcreg |= RME96_WCR_MONITOR_0;
526 } else {
527 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
528 }
529 if (montracks & 2) {
530 rme96->wcreg |= RME96_WCR_MONITOR_1;
531 } else {
532 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
533 }
534 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
535 return 0;
536 }
537
538 static int
539 snd_rme96_getattenuation(struct rme96 *rme96)
540 {
541 return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
542 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
543 }
544
545 static int
546 snd_rme96_setattenuation(struct rme96 *rme96,
547 int attenuation)
548 {
549 switch (attenuation) {
550 case 0:
551 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
552 ~RME96_WCR_GAIN_1;
553 break;
554 case 1:
555 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
556 ~RME96_WCR_GAIN_1;
557 break;
558 case 2:
559 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
560 RME96_WCR_GAIN_1;
561 break;
562 case 3:
563 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
564 RME96_WCR_GAIN_1;
565 break;
566 default:
567 return -EINVAL;
568 }
569 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
570 return 0;
571 }
572
573 static int
574 snd_rme96_capture_getrate(struct rme96 *rme96,
575 int *is_adat)
576 {
577 int n, rate;
578
579 *is_adat = 0;
580 if (rme96->areg & RME96_AR_ANALOG) {
581 /* Analog input, overrides S/PDIF setting */
582 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
583 (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
584 switch (n) {
585 case 1:
586 rate = 32000;
587 break;
588 case 2:
589 rate = 44100;
590 break;
591 case 3:
592 rate = 48000;
593 break;
594 default:
595 return -1;
596 }
597 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
598 }
599
600 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
601 if (rme96->rcreg & RME96_RCR_LOCK) {
602 /* ADAT rate */
603 *is_adat = 1;
604 if (rme96->rcreg & RME96_RCR_T_OUT) {
605 return 48000;
606 }
607 return 44100;
608 }
609
610 if (rme96->rcreg & RME96_RCR_VERF) {
611 return -1;
612 }
613
614 /* S/PDIF rate */
615 n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
616 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
617 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
618
619 switch (n) {
620 case 0:
621 if (rme96->rcreg & RME96_RCR_T_OUT) {
622 return 64000;
623 }
624 return -1;
625 case 3: return 96000;
626 case 4: return 88200;
627 case 5: return 48000;
628 case 6: return 44100;
629 case 7: return 32000;
630 default:
631 break;
632 }
633 return -1;
634 }
635
636 static int
637 snd_rme96_playback_getrate(struct rme96 *rme96)
638 {
639 int rate, dummy;
640
641 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
642 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
643 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
644 {
645 /* slave clock */
646 return rate;
647 }
648 rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
649 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
650 switch (rate) {
651 case 1:
652 rate = 32000;
653 break;
654 case 2:
655 rate = 44100;
656 break;
657 case 3:
658 rate = 48000;
659 break;
660 default:
661 return -1;
662 }
663 return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
664 }
665
666 static int
667 snd_rme96_playback_setrate(struct rme96 *rme96,
668 int rate)
669 {
670 int ds;
671
672 ds = rme96->wcreg & RME96_WCR_DS;
673 switch (rate) {
674 case 32000:
675 rme96->wcreg &= ~RME96_WCR_DS;
676 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
677 ~RME96_WCR_FREQ_1;
678 break;
679 case 44100:
680 rme96->wcreg &= ~RME96_WCR_DS;
681 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
682 ~RME96_WCR_FREQ_0;
683 break;
684 case 48000:
685 rme96->wcreg &= ~RME96_WCR_DS;
686 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
687 RME96_WCR_FREQ_1;
688 break;
689 case 64000:
690 rme96->wcreg |= RME96_WCR_DS;
691 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
692 ~RME96_WCR_FREQ_1;
693 break;
694 case 88200:
695 rme96->wcreg |= RME96_WCR_DS;
696 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
697 ~RME96_WCR_FREQ_0;
698 break;
699 case 96000:
700 rme96->wcreg |= RME96_WCR_DS;
701 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
702 RME96_WCR_FREQ_1;
703 break;
704 default:
705 return -EINVAL;
706 }
707 if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
708 (ds && !(rme96->wcreg & RME96_WCR_DS)))
709 {
710 /* change to/from double-speed: reset the DAC (if available) */
711 snd_rme96_reset_dac(rme96);
712 } else {
713 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
714 }
715 return 0;
716 }
717
718 static int
719 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
720 int rate)
721 {
722 switch (rate) {
723 case 32000:
724 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
725 ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
726 break;
727 case 44100:
728 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
729 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
730 break;
731 case 48000:
732 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
733 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
734 break;
735 case 64000:
736 if (rme96->rev < 4) {
737 return -EINVAL;
738 }
739 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
740 ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
741 break;
742 case 88200:
743 if (rme96->rev < 4) {
744 return -EINVAL;
745 }
746 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
747 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
748 break;
749 case 96000:
750 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
751 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
752 break;
753 default:
754 return -EINVAL;
755 }
756 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
757 return 0;
758 }
759
760 static int
761 snd_rme96_setclockmode(struct rme96 *rme96,
762 int mode)
763 {
764 switch (mode) {
765 case RME96_CLOCKMODE_SLAVE:
766 /* AutoSync */
767 rme96->wcreg &= ~RME96_WCR_MASTER;
768 rme96->areg &= ~RME96_AR_WSEL;
769 break;
770 case RME96_CLOCKMODE_MASTER:
771 /* Internal */
772 rme96->wcreg |= RME96_WCR_MASTER;
773 rme96->areg &= ~RME96_AR_WSEL;
774 break;
775 case RME96_CLOCKMODE_WORDCLOCK:
776 /* Word clock is a master mode */
777 rme96->wcreg |= RME96_WCR_MASTER;
778 rme96->areg |= RME96_AR_WSEL;
779 break;
780 default:
781 return -EINVAL;
782 }
783 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
784 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
785 return 0;
786 }
787
788 static int
789 snd_rme96_getclockmode(struct rme96 *rme96)
790 {
791 if (rme96->areg & RME96_AR_WSEL) {
792 return RME96_CLOCKMODE_WORDCLOCK;
793 }
794 return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
795 RME96_CLOCKMODE_SLAVE;
796 }
797
798 static int
799 snd_rme96_setinputtype(struct rme96 *rme96,
800 int type)
801 {
802 int n;
803
804 switch (type) {
805 case RME96_INPUT_OPTICAL:
806 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
807 ~RME96_WCR_INP_1;
808 break;
809 case RME96_INPUT_COAXIAL:
810 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
811 ~RME96_WCR_INP_1;
812 break;
813 case RME96_INPUT_INTERNAL:
814 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
815 RME96_WCR_INP_1;
816 break;
817 case RME96_INPUT_XLR:
818 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
819 rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
820 (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
821 rme96->rev > 4))
822 {
823 /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
824 return -EINVAL;
825 }
826 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
827 RME96_WCR_INP_1;
828 break;
829 case RME96_INPUT_ANALOG:
830 if (!RME96_HAS_ANALOG_IN(rme96)) {
831 return -EINVAL;
832 }
833 rme96->areg |= RME96_AR_ANALOG;
834 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
835 if (rme96->rev < 4) {
836 /*
837 * Revision less than 004 does not support 64 and
838 * 88.2 kHz
839 */
840 if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
841 snd_rme96_capture_analog_setrate(rme96, 44100);
842 }
843 if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
844 snd_rme96_capture_analog_setrate(rme96, 32000);
845 }
846 }
847 return 0;
848 default:
849 return -EINVAL;
850 }
851 if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
852 rme96->areg &= ~RME96_AR_ANALOG;
853 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
854 }
855 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
856 return 0;
857 }
858
859 static int
860 snd_rme96_getinputtype(struct rme96 *rme96)
861 {
862 if (rme96->areg & RME96_AR_ANALOG) {
863 return RME96_INPUT_ANALOG;
864 }
865 return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
866 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
867 }
868
869 static void
870 snd_rme96_setframelog(struct rme96 *rme96,
871 int n_channels,
872 int is_playback)
873 {
874 int frlog;
875
876 if (n_channels == 2) {
877 frlog = 1;
878 } else {
879 /* assume 8 channels */
880 frlog = 3;
881 }
882 if (is_playback) {
883 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
884 rme96->playback_frlog = frlog;
885 } else {
886 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
887 rme96->capture_frlog = frlog;
888 }
889 }
890
891 static int
892 snd_rme96_playback_setformat(struct rme96 *rme96,
893 int format)
894 {
895 switch (format) {
896 case SNDRV_PCM_FORMAT_S16_LE:
897 rme96->wcreg &= ~RME96_WCR_MODE24;
898 break;
899 case SNDRV_PCM_FORMAT_S32_LE:
900 rme96->wcreg |= RME96_WCR_MODE24;
901 break;
902 default:
903 return -EINVAL;
904 }
905 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
906 return 0;
907 }
908
909 static int
910 snd_rme96_capture_setformat(struct rme96 *rme96,
911 int format)
912 {
913 switch (format) {
914 case SNDRV_PCM_FORMAT_S16_LE:
915 rme96->wcreg &= ~RME96_WCR_MODE24_2;
916 break;
917 case SNDRV_PCM_FORMAT_S32_LE:
918 rme96->wcreg |= RME96_WCR_MODE24_2;
919 break;
920 default:
921 return -EINVAL;
922 }
923 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
924 return 0;
925 }
926
927 static void
928 snd_rme96_set_period_properties(struct rme96 *rme96,
929 size_t period_bytes)
930 {
931 switch (period_bytes) {
932 case RME96_LARGE_BLOCK_SIZE:
933 rme96->wcreg &= ~RME96_WCR_ISEL;
934 break;
935 case RME96_SMALL_BLOCK_SIZE:
936 rme96->wcreg |= RME96_WCR_ISEL;
937 break;
938 default:
939 snd_BUG();
940 break;
941 }
942 rme96->wcreg &= ~RME96_WCR_IDIS;
943 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
944 }
945
946 static int
947 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
948 struct snd_pcm_hw_params *params)
949 {
950 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
951 struct snd_pcm_runtime *runtime = substream->runtime;
952 int err, rate, dummy;
953
954 runtime->dma_area = (void __force *)(rme96->iobase +
955 RME96_IO_PLAY_BUFFER);
956 runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
957 runtime->dma_bytes = RME96_BUFFER_SIZE;
958
959 spin_lock_irq(&rme96->lock);
960 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
961 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
962 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
963 {
964 /* slave clock */
965 if ((int)params_rate(params) != rate) {
966 spin_unlock_irq(&rme96->lock);
967 return -EIO;
968 }
969 } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
970 spin_unlock_irq(&rme96->lock);
971 return err;
972 }
973 if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
974 spin_unlock_irq(&rme96->lock);
975 return err;
976 }
977 snd_rme96_setframelog(rme96, params_channels(params), 1);
978 if (rme96->capture_periodsize != 0) {
979 if (params_period_size(params) << rme96->playback_frlog !=
980 rme96->capture_periodsize)
981 {
982 spin_unlock_irq(&rme96->lock);
983 return -EBUSY;
984 }
985 }
986 rme96->playback_periodsize =
987 params_period_size(params) << rme96->playback_frlog;
988 snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
989 /* S/PDIF setup */
990 if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
991 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
992 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
993 }
994 spin_unlock_irq(&rme96->lock);
995
996 return 0;
997 }
998
999 static int
1000 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
1001 struct snd_pcm_hw_params *params)
1002 {
1003 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1004 struct snd_pcm_runtime *runtime = substream->runtime;
1005 int err, isadat, rate;
1006
1007 runtime->dma_area = (void __force *)(rme96->iobase +
1008 RME96_IO_REC_BUFFER);
1009 runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1010 runtime->dma_bytes = RME96_BUFFER_SIZE;
1011
1012 spin_lock_irq(&rme96->lock);
1013 if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1014 spin_unlock_irq(&rme96->lock);
1015 return err;
1016 }
1017 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1018 if ((err = snd_rme96_capture_analog_setrate(rme96,
1019 params_rate(params))) < 0)
1020 {
1021 spin_unlock_irq(&rme96->lock);
1022 return err;
1023 }
1024 } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1025 if ((int)params_rate(params) != rate) {
1026 spin_unlock_irq(&rme96->lock);
1027 return -EIO;
1028 }
1029 if ((isadat && runtime->hw.channels_min == 2) ||
1030 (!isadat && runtime->hw.channels_min == 8))
1031 {
1032 spin_unlock_irq(&rme96->lock);
1033 return -EIO;
1034 }
1035 }
1036 snd_rme96_setframelog(rme96, params_channels(params), 0);
1037 if (rme96->playback_periodsize != 0) {
1038 if (params_period_size(params) << rme96->capture_frlog !=
1039 rme96->playback_periodsize)
1040 {
1041 spin_unlock_irq(&rme96->lock);
1042 return -EBUSY;
1043 }
1044 }
1045 rme96->capture_periodsize =
1046 params_period_size(params) << rme96->capture_frlog;
1047 snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1048 spin_unlock_irq(&rme96->lock);
1049
1050 return 0;
1051 }
1052
1053 static void
1054 snd_rme96_playback_start(struct rme96 *rme96,
1055 int from_pause)
1056 {
1057 if (!from_pause) {
1058 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1059 }
1060
1061 rme96->wcreg |= RME96_WCR_START;
1062 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1063 }
1064
1065 static void
1066 snd_rme96_capture_start(struct rme96 *rme96,
1067 int from_pause)
1068 {
1069 if (!from_pause) {
1070 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1071 }
1072
1073 rme96->wcreg |= RME96_WCR_START_2;
1074 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1075 }
1076
1077 static void
1078 snd_rme96_playback_stop(struct rme96 *rme96)
1079 {
1080 /*
1081 * Check if there is an unconfirmed IRQ, if so confirm it, or else
1082 * the hardware will not stop generating interrupts
1083 */
1084 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1085 if (rme96->rcreg & RME96_RCR_IRQ) {
1086 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1087 }
1088 rme96->wcreg &= ~RME96_WCR_START;
1089 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1090 }
1091
1092 static void
1093 snd_rme96_capture_stop(struct rme96 *rme96)
1094 {
1095 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1096 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1097 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1098 }
1099 rme96->wcreg &= ~RME96_WCR_START_2;
1100 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1101 }
1102
1103 static irqreturn_t
1104 snd_rme96_interrupt(int irq,
1105 void *dev_id)
1106 {
1107 struct rme96 *rme96 = (struct rme96 *)dev_id;
1108
1109 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1110 /* fastpath out, to ease interrupt sharing */
1111 if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1112 (rme96->rcreg & RME96_RCR_IRQ_2)))
1113 {
1114 return IRQ_NONE;
1115 }
1116
1117 if (rme96->rcreg & RME96_RCR_IRQ) {
1118 /* playback */
1119 snd_pcm_period_elapsed(rme96->playback_substream);
1120 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1121 }
1122 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1123 /* capture */
1124 snd_pcm_period_elapsed(rme96->capture_substream);
1125 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1126 }
1127 return IRQ_HANDLED;
1128 }
1129
1130 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1131
1132 static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1133 .count = ARRAY_SIZE(period_bytes),
1134 .list = period_bytes,
1135 .mask = 0
1136 };
1137
1138 static void
1139 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1140 struct snd_pcm_runtime *runtime)
1141 {
1142 unsigned int size;
1143
1144 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1145 RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1146 if ((size = rme96->playback_periodsize) != 0 ||
1147 (size = rme96->capture_periodsize) != 0)
1148 snd_pcm_hw_constraint_minmax(runtime,
1149 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1150 size, size);
1151 else
1152 snd_pcm_hw_constraint_list(runtime, 0,
1153 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1154 &hw_constraints_period_bytes);
1155 }
1156
1157 static int
1158 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1159 {
1160 int rate, dummy;
1161 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1162 struct snd_pcm_runtime *runtime = substream->runtime;
1163
1164 spin_lock_irq(&rme96->lock);
1165 if (rme96->playback_substream != NULL) {
1166 spin_unlock_irq(&rme96->lock);
1167 return -EBUSY;
1168 }
1169 rme96->wcreg &= ~RME96_WCR_ADAT;
1170 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1171 rme96->playback_substream = substream;
1172 spin_unlock_irq(&rme96->lock);
1173
1174 runtime->hw = snd_rme96_playback_spdif_info;
1175 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1176 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1177 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1178 {
1179 /* slave clock */
1180 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1181 runtime->hw.rate_min = rate;
1182 runtime->hw.rate_max = rate;
1183 }
1184 rme96_set_buffer_size_constraint(rme96, runtime);
1185
1186 rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1187 rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1188 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1189 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1190 return 0;
1191 }
1192
1193 static int
1194 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1195 {
1196 int isadat, rate;
1197 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1198 struct snd_pcm_runtime *runtime = substream->runtime;
1199
1200 runtime->hw = snd_rme96_capture_spdif_info;
1201 if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1202 (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1203 {
1204 if (isadat) {
1205 return -EIO;
1206 }
1207 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1208 runtime->hw.rate_min = rate;
1209 runtime->hw.rate_max = rate;
1210 }
1211
1212 spin_lock_irq(&rme96->lock);
1213 if (rme96->capture_substream != NULL) {
1214 spin_unlock_irq(&rme96->lock);
1215 return -EBUSY;
1216 }
1217 rme96->capture_substream = substream;
1218 spin_unlock_irq(&rme96->lock);
1219
1220 rme96_set_buffer_size_constraint(rme96, runtime);
1221 return 0;
1222 }
1223
1224 static int
1225 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1226 {
1227 int rate, dummy;
1228 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1229 struct snd_pcm_runtime *runtime = substream->runtime;
1230
1231 spin_lock_irq(&rme96->lock);
1232 if (rme96->playback_substream != NULL) {
1233 spin_unlock_irq(&rme96->lock);
1234 return -EBUSY;
1235 }
1236 rme96->wcreg |= RME96_WCR_ADAT;
1237 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1238 rme96->playback_substream = substream;
1239 spin_unlock_irq(&rme96->lock);
1240
1241 runtime->hw = snd_rme96_playback_adat_info;
1242 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1243 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1244 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1245 {
1246 /* slave clock */
1247 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1248 runtime->hw.rate_min = rate;
1249 runtime->hw.rate_max = rate;
1250 }
1251 rme96_set_buffer_size_constraint(rme96, runtime);
1252 return 0;
1253 }
1254
1255 static int
1256 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1257 {
1258 int isadat, rate;
1259 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1260 struct snd_pcm_runtime *runtime = substream->runtime;
1261
1262 runtime->hw = snd_rme96_capture_adat_info;
1263 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1264 /* makes no sense to use analog input. Note that analog
1265 expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1266 return -EIO;
1267 }
1268 if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1269 if (!isadat) {
1270 return -EIO;
1271 }
1272 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1273 runtime->hw.rate_min = rate;
1274 runtime->hw.rate_max = rate;
1275 }
1276
1277 spin_lock_irq(&rme96->lock);
1278 if (rme96->capture_substream != NULL) {
1279 spin_unlock_irq(&rme96->lock);
1280 return -EBUSY;
1281 }
1282 rme96->capture_substream = substream;
1283 spin_unlock_irq(&rme96->lock);
1284
1285 rme96_set_buffer_size_constraint(rme96, runtime);
1286 return 0;
1287 }
1288
1289 static int
1290 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1291 {
1292 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1293 int spdif = 0;
1294
1295 spin_lock_irq(&rme96->lock);
1296 if (RME96_ISPLAYING(rme96)) {
1297 snd_rme96_playback_stop(rme96);
1298 }
1299 rme96->playback_substream = NULL;
1300 rme96->playback_periodsize = 0;
1301 spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1302 spin_unlock_irq(&rme96->lock);
1303 if (spdif) {
1304 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1305 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1306 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1307 }
1308 return 0;
1309 }
1310
1311 static int
1312 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1313 {
1314 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1315
1316 spin_lock_irq(&rme96->lock);
1317 if (RME96_ISRECORDING(rme96)) {
1318 snd_rme96_capture_stop(rme96);
1319 }
1320 rme96->capture_substream = NULL;
1321 rme96->capture_periodsize = 0;
1322 spin_unlock_irq(&rme96->lock);
1323 return 0;
1324 }
1325
1326 static int
1327 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1328 {
1329 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1330
1331 spin_lock_irq(&rme96->lock);
1332 if (RME96_ISPLAYING(rme96)) {
1333 snd_rme96_playback_stop(rme96);
1334 }
1335 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1336 spin_unlock_irq(&rme96->lock);
1337 return 0;
1338 }
1339
1340 static int
1341 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1342 {
1343 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1344
1345 spin_lock_irq(&rme96->lock);
1346 if (RME96_ISRECORDING(rme96)) {
1347 snd_rme96_capture_stop(rme96);
1348 }
1349 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1350 spin_unlock_irq(&rme96->lock);
1351 return 0;
1352 }
1353
1354 static int
1355 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1356 int cmd)
1357 {
1358 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1359
1360 switch (cmd) {
1361 case SNDRV_PCM_TRIGGER_START:
1362 if (!RME96_ISPLAYING(rme96)) {
1363 if (substream != rme96->playback_substream) {
1364 return -EBUSY;
1365 }
1366 snd_rme96_playback_start(rme96, 0);
1367 }
1368 break;
1369
1370 case SNDRV_PCM_TRIGGER_STOP:
1371 if (RME96_ISPLAYING(rme96)) {
1372 if (substream != rme96->playback_substream) {
1373 return -EBUSY;
1374 }
1375 snd_rme96_playback_stop(rme96);
1376 }
1377 break;
1378
1379 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1380 if (RME96_ISPLAYING(rme96)) {
1381 snd_rme96_playback_stop(rme96);
1382 }
1383 break;
1384
1385 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1386 if (!RME96_ISPLAYING(rme96)) {
1387 snd_rme96_playback_start(rme96, 1);
1388 }
1389 break;
1390
1391 default:
1392 return -EINVAL;
1393 }
1394 return 0;
1395 }
1396
1397 static int
1398 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1399 int cmd)
1400 {
1401 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1402
1403 switch (cmd) {
1404 case SNDRV_PCM_TRIGGER_START:
1405 if (!RME96_ISRECORDING(rme96)) {
1406 if (substream != rme96->capture_substream) {
1407 return -EBUSY;
1408 }
1409 snd_rme96_capture_start(rme96, 0);
1410 }
1411 break;
1412
1413 case SNDRV_PCM_TRIGGER_STOP:
1414 if (RME96_ISRECORDING(rme96)) {
1415 if (substream != rme96->capture_substream) {
1416 return -EBUSY;
1417 }
1418 snd_rme96_capture_stop(rme96);
1419 }
1420 break;
1421
1422 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1423 if (RME96_ISRECORDING(rme96)) {
1424 snd_rme96_capture_stop(rme96);
1425 }
1426 break;
1427
1428 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1429 if (!RME96_ISRECORDING(rme96)) {
1430 snd_rme96_capture_start(rme96, 1);
1431 }
1432 break;
1433
1434 default:
1435 return -EINVAL;
1436 }
1437
1438 return 0;
1439 }
1440
1441 static snd_pcm_uframes_t
1442 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1443 {
1444 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1445 return snd_rme96_playback_ptr(rme96);
1446 }
1447
1448 static snd_pcm_uframes_t
1449 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1450 {
1451 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1452 return snd_rme96_capture_ptr(rme96);
1453 }
1454
1455 static struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1456 .open = snd_rme96_playback_spdif_open,
1457 .close = snd_rme96_playback_close,
1458 .ioctl = snd_pcm_lib_ioctl,
1459 .hw_params = snd_rme96_playback_hw_params,
1460 .prepare = snd_rme96_playback_prepare,
1461 .trigger = snd_rme96_playback_trigger,
1462 .pointer = snd_rme96_playback_pointer,
1463 .copy = snd_rme96_playback_copy,
1464 .silence = snd_rme96_playback_silence,
1465 .mmap = snd_pcm_lib_mmap_iomem,
1466 };
1467
1468 static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1469 .open = snd_rme96_capture_spdif_open,
1470 .close = snd_rme96_capture_close,
1471 .ioctl = snd_pcm_lib_ioctl,
1472 .hw_params = snd_rme96_capture_hw_params,
1473 .prepare = snd_rme96_capture_prepare,
1474 .trigger = snd_rme96_capture_trigger,
1475 .pointer = snd_rme96_capture_pointer,
1476 .copy = snd_rme96_capture_copy,
1477 .mmap = snd_pcm_lib_mmap_iomem,
1478 };
1479
1480 static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1481 .open = snd_rme96_playback_adat_open,
1482 .close = snd_rme96_playback_close,
1483 .ioctl = snd_pcm_lib_ioctl,
1484 .hw_params = snd_rme96_playback_hw_params,
1485 .prepare = snd_rme96_playback_prepare,
1486 .trigger = snd_rme96_playback_trigger,
1487 .pointer = snd_rme96_playback_pointer,
1488 .copy = snd_rme96_playback_copy,
1489 .silence = snd_rme96_playback_silence,
1490 .mmap = snd_pcm_lib_mmap_iomem,
1491 };
1492
1493 static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1494 .open = snd_rme96_capture_adat_open,
1495 .close = snd_rme96_capture_close,
1496 .ioctl = snd_pcm_lib_ioctl,
1497 .hw_params = snd_rme96_capture_hw_params,
1498 .prepare = snd_rme96_capture_prepare,
1499 .trigger = snd_rme96_capture_trigger,
1500 .pointer = snd_rme96_capture_pointer,
1501 .copy = snd_rme96_capture_copy,
1502 .mmap = snd_pcm_lib_mmap_iomem,
1503 };
1504
1505 static void
1506 snd_rme96_free(void *private_data)
1507 {
1508 struct rme96 *rme96 = (struct rme96 *)private_data;
1509
1510 if (rme96 == NULL) {
1511 return;
1512 }
1513 if (rme96->irq >= 0) {
1514 snd_rme96_playback_stop(rme96);
1515 snd_rme96_capture_stop(rme96);
1516 rme96->areg &= ~RME96_AR_DAC_EN;
1517 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1518 free_irq(rme96->irq, (void *)rme96);
1519 rme96->irq = -1;
1520 }
1521 if (rme96->iobase) {
1522 iounmap(rme96->iobase);
1523 rme96->iobase = NULL;
1524 }
1525 if (rme96->port) {
1526 pci_release_regions(rme96->pci);
1527 rme96->port = 0;
1528 }
1529 pci_disable_device(rme96->pci);
1530 }
1531
1532 static void
1533 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1534 {
1535 struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1536 rme96->spdif_pcm = NULL;
1537 }
1538
1539 static void
1540 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1541 {
1542 struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1543 rme96->adat_pcm = NULL;
1544 }
1545
1546 static int __devinit
1547 snd_rme96_create(struct rme96 *rme96)
1548 {
1549 struct pci_dev *pci = rme96->pci;
1550 int err;
1551
1552 rme96->irq = -1;
1553 spin_lock_init(&rme96->lock);
1554
1555 if ((err = pci_enable_device(pci)) < 0)
1556 return err;
1557
1558 if ((err = pci_request_regions(pci, "RME96")) < 0)
1559 return err;
1560 rme96->port = pci_resource_start(rme96->pci, 0);
1561
1562 rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1563 if (!rme96->iobase) {
1564 snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
1565 return -ENOMEM;
1566 }
1567
1568 if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1569 "RME96", rme96)) {
1570 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1571 return -EBUSY;
1572 }
1573 rme96->irq = pci->irq;
1574
1575 /* read the card's revision number */
1576 pci_read_config_byte(pci, 8, &rme96->rev);
1577
1578 /* set up ALSA pcm device for S/PDIF */
1579 if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1580 1, 1, &rme96->spdif_pcm)) < 0)
1581 {
1582 return err;
1583 }
1584 rme96->spdif_pcm->private_data = rme96;
1585 rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1586 strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1587 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1588 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1589
1590 rme96->spdif_pcm->info_flags = 0;
1591
1592 /* set up ALSA pcm device for ADAT */
1593 if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1594 /* ADAT is not available on the base model */
1595 rme96->adat_pcm = NULL;
1596 } else {
1597 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1598 1, 1, &rme96->adat_pcm)) < 0)
1599 {
1600 return err;
1601 }
1602 rme96->adat_pcm->private_data = rme96;
1603 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1604 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1605 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1606 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1607
1608 rme96->adat_pcm->info_flags = 0;
1609 }
1610
1611 rme96->playback_periodsize = 0;
1612 rme96->capture_periodsize = 0;
1613
1614 /* make sure playback/capture is stopped, if by some reason active */
1615 snd_rme96_playback_stop(rme96);
1616 snd_rme96_capture_stop(rme96);
1617
1618 /* set default values in registers */
1619 rme96->wcreg =
1620 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1621 RME96_WCR_SEL | /* normal playback */
1622 RME96_WCR_MASTER | /* set to master clock mode */
1623 RME96_WCR_INP_0; /* set coaxial input */
1624
1625 rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1626
1627 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1628 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1629
1630 /* reset the ADC */
1631 writel(rme96->areg | RME96_AR_PD2,
1632 rme96->iobase + RME96_IO_ADDITIONAL_REG);
1633 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1634
1635 /* reset and enable the DAC (order is important). */
1636 snd_rme96_reset_dac(rme96);
1637 rme96->areg |= RME96_AR_DAC_EN;
1638 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1639
1640 /* reset playback and record buffer pointers */
1641 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1642 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1643
1644 /* reset volume */
1645 rme96->vol[0] = rme96->vol[1] = 0;
1646 if (RME96_HAS_ANALOG_OUT(rme96)) {
1647 snd_rme96_apply_dac_volume(rme96);
1648 }
1649
1650 /* init switch interface */
1651 if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1652 return err;
1653 }
1654
1655 /* init proc interface */
1656 snd_rme96_proc_init(rme96);
1657
1658 return 0;
1659 }
1660
1661 /*
1662 * proc interface
1663 */
1664
1665 static void
1666 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1667 {
1668 int n;
1669 struct rme96 *rme96 = (struct rme96 *)entry->private_data;
1670
1671 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1672
1673 snd_iprintf(buffer, rme96->card->longname);
1674 snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1675
1676 snd_iprintf(buffer, "\nGeneral settings\n");
1677 if (rme96->wcreg & RME96_WCR_IDIS) {
1678 snd_iprintf(buffer, " period size: N/A (interrupts "
1679 "disabled)\n");
1680 } else if (rme96->wcreg & RME96_WCR_ISEL) {
1681 snd_iprintf(buffer, " period size: 2048 bytes\n");
1682 } else {
1683 snd_iprintf(buffer, " period size: 8192 bytes\n");
1684 }
1685 snd_iprintf(buffer, "\nInput settings\n");
1686 switch (snd_rme96_getinputtype(rme96)) {
1687 case RME96_INPUT_OPTICAL:
1688 snd_iprintf(buffer, " input: optical");
1689 break;
1690 case RME96_INPUT_COAXIAL:
1691 snd_iprintf(buffer, " input: coaxial");
1692 break;
1693 case RME96_INPUT_INTERNAL:
1694 snd_iprintf(buffer, " input: internal");
1695 break;
1696 case RME96_INPUT_XLR:
1697 snd_iprintf(buffer, " input: XLR");
1698 break;
1699 case RME96_INPUT_ANALOG:
1700 snd_iprintf(buffer, " input: analog");
1701 break;
1702 }
1703 if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1704 snd_iprintf(buffer, "\n sample rate: no valid signal\n");
1705 } else {
1706 if (n) {
1707 snd_iprintf(buffer, " (8 channels)\n");
1708 } else {
1709 snd_iprintf(buffer, " (2 channels)\n");
1710 }
1711 snd_iprintf(buffer, " sample rate: %d Hz\n",
1712 snd_rme96_capture_getrate(rme96, &n));
1713 }
1714 if (rme96->wcreg & RME96_WCR_MODE24_2) {
1715 snd_iprintf(buffer, " sample format: 24 bit\n");
1716 } else {
1717 snd_iprintf(buffer, " sample format: 16 bit\n");
1718 }
1719
1720 snd_iprintf(buffer, "\nOutput settings\n");
1721 if (rme96->wcreg & RME96_WCR_SEL) {
1722 snd_iprintf(buffer, " output signal: normal playback\n");
1723 } else {
1724 snd_iprintf(buffer, " output signal: same as input\n");
1725 }
1726 snd_iprintf(buffer, " sample rate: %d Hz\n",
1727 snd_rme96_playback_getrate(rme96));
1728 if (rme96->wcreg & RME96_WCR_MODE24) {
1729 snd_iprintf(buffer, " sample format: 24 bit\n");
1730 } else {
1731 snd_iprintf(buffer, " sample format: 16 bit\n");
1732 }
1733 if (rme96->areg & RME96_AR_WSEL) {
1734 snd_iprintf(buffer, " sample clock source: word clock\n");
1735 } else if (rme96->wcreg & RME96_WCR_MASTER) {
1736 snd_iprintf(buffer, " sample clock source: internal\n");
1737 } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1738 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
1739 } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1740 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
1741 } else {
1742 snd_iprintf(buffer, " sample clock source: autosync\n");
1743 }
1744 if (rme96->wcreg & RME96_WCR_PRO) {
1745 snd_iprintf(buffer, " format: AES/EBU (professional)\n");
1746 } else {
1747 snd_iprintf(buffer, " format: IEC958 (consumer)\n");
1748 }
1749 if (rme96->wcreg & RME96_WCR_EMP) {
1750 snd_iprintf(buffer, " emphasis: on\n");
1751 } else {
1752 snd_iprintf(buffer, " emphasis: off\n");
1753 }
1754 if (rme96->wcreg & RME96_WCR_DOLBY) {
1755 snd_iprintf(buffer, " non-audio (dolby): on\n");
1756 } else {
1757 snd_iprintf(buffer, " non-audio (dolby): off\n");
1758 }
1759 if (RME96_HAS_ANALOG_IN(rme96)) {
1760 snd_iprintf(buffer, "\nAnalog output settings\n");
1761 switch (snd_rme96_getmontracks(rme96)) {
1762 case RME96_MONITOR_TRACKS_1_2:
1763 snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
1764 break;
1765 case RME96_MONITOR_TRACKS_3_4:
1766 snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
1767 break;
1768 case RME96_MONITOR_TRACKS_5_6:
1769 snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
1770 break;
1771 case RME96_MONITOR_TRACKS_7_8:
1772 snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
1773 break;
1774 }
1775 switch (snd_rme96_getattenuation(rme96)) {
1776 case RME96_ATTENUATION_0:
1777 snd_iprintf(buffer, " attenuation: 0 dB\n");
1778 break;
1779 case RME96_ATTENUATION_6:
1780 snd_iprintf(buffer, " attenuation: -6 dB\n");
1781 break;
1782 case RME96_ATTENUATION_12:
1783 snd_iprintf(buffer, " attenuation: -12 dB\n");
1784 break;
1785 case RME96_ATTENUATION_18:
1786 snd_iprintf(buffer, " attenuation: -18 dB\n");
1787 break;
1788 }
1789 snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
1790 snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
1791 }
1792 }
1793
1794 static void __devinit
1795 snd_rme96_proc_init(struct rme96 *rme96)
1796 {
1797 struct snd_info_entry *entry;
1798
1799 if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1800 snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1801 }
1802
1803 /*
1804 * control interface
1805 */
1806
1807 #define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
1808
1809 static int
1810 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1811 {
1812 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1813
1814 spin_lock_irq(&rme96->lock);
1815 ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1816 spin_unlock_irq(&rme96->lock);
1817 return 0;
1818 }
1819 static int
1820 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1821 {
1822 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1823 unsigned int val;
1824 int change;
1825
1826 val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1827 spin_lock_irq(&rme96->lock);
1828 val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1829 change = val != rme96->wcreg;
1830 rme96->wcreg = val;
1831 writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1832 spin_unlock_irq(&rme96->lock);
1833 return change;
1834 }
1835
1836 static int
1837 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1838 {
1839 static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
1840 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1841 char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
1842
1843 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1844 uinfo->count = 1;
1845 switch (rme96->pci->device) {
1846 case PCI_DEVICE_ID_RME_DIGI96:
1847 case PCI_DEVICE_ID_RME_DIGI96_8:
1848 uinfo->value.enumerated.items = 3;
1849 break;
1850 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1851 uinfo->value.enumerated.items = 4;
1852 break;
1853 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1854 if (rme96->rev > 4) {
1855 /* PST */
1856 uinfo->value.enumerated.items = 4;
1857 texts[3] = _texts[4]; /* Analog instead of XLR */
1858 } else {
1859 /* PAD */
1860 uinfo->value.enumerated.items = 5;
1861 }
1862 break;
1863 default:
1864 snd_BUG();
1865 break;
1866 }
1867 if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
1868 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1869 }
1870 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1871 return 0;
1872 }
1873 static int
1874 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1875 {
1876 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1877 unsigned int items = 3;
1878
1879 spin_lock_irq(&rme96->lock);
1880 ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1881
1882 switch (rme96->pci->device) {
1883 case PCI_DEVICE_ID_RME_DIGI96:
1884 case PCI_DEVICE_ID_RME_DIGI96_8:
1885 items = 3;
1886 break;
1887 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1888 items = 4;
1889 break;
1890 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1891 if (rme96->rev > 4) {
1892 /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1893 if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1894 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1895 }
1896 items = 4;
1897 } else {
1898 items = 5;
1899 }
1900 break;
1901 default:
1902 snd_BUG();
1903 break;
1904 }
1905 if (ucontrol->value.enumerated.item[0] >= items) {
1906 ucontrol->value.enumerated.item[0] = items - 1;
1907 }
1908
1909 spin_unlock_irq(&rme96->lock);
1910 return 0;
1911 }
1912 static int
1913 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1914 {
1915 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1916 unsigned int val;
1917 int change, items = 3;
1918
1919 switch (rme96->pci->device) {
1920 case PCI_DEVICE_ID_RME_DIGI96:
1921 case PCI_DEVICE_ID_RME_DIGI96_8:
1922 items = 3;
1923 break;
1924 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1925 items = 4;
1926 break;
1927 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1928 if (rme96->rev > 4) {
1929 items = 4;
1930 } else {
1931 items = 5;
1932 }
1933 break;
1934 default:
1935 snd_BUG();
1936 break;
1937 }
1938 val = ucontrol->value.enumerated.item[0] % items;
1939
1940 /* special case for PST */
1941 if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1942 if (val == RME96_INPUT_XLR) {
1943 val = RME96_INPUT_ANALOG;
1944 }
1945 }
1946
1947 spin_lock_irq(&rme96->lock);
1948 change = (int)val != snd_rme96_getinputtype(rme96);
1949 snd_rme96_setinputtype(rme96, val);
1950 spin_unlock_irq(&rme96->lock);
1951 return change;
1952 }
1953
1954 static int
1955 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1956 {
1957 static char *texts[3] = { "AutoSync", "Internal", "Word" };
1958
1959 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1960 uinfo->count = 1;
1961 uinfo->value.enumerated.items = 3;
1962 if (uinfo->value.enumerated.item > 2) {
1963 uinfo->value.enumerated.item = 2;
1964 }
1965 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1966 return 0;
1967 }
1968 static int
1969 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1970 {
1971 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1972
1973 spin_lock_irq(&rme96->lock);
1974 ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1975 spin_unlock_irq(&rme96->lock);
1976 return 0;
1977 }
1978 static int
1979 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1980 {
1981 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1982 unsigned int val;
1983 int change;
1984
1985 val = ucontrol->value.enumerated.item[0] % 3;
1986 spin_lock_irq(&rme96->lock);
1987 change = (int)val != snd_rme96_getclockmode(rme96);
1988 snd_rme96_setclockmode(rme96, val);
1989 spin_unlock_irq(&rme96->lock);
1990 return change;
1991 }
1992
1993 static int
1994 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1995 {
1996 static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
1997
1998 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1999 uinfo->count = 1;
2000 uinfo->value.enumerated.items = 4;
2001 if (uinfo->value.enumerated.item > 3) {
2002 uinfo->value.enumerated.item = 3;
2003 }
2004 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2005 return 0;
2006 }
2007 static int
2008 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2009 {
2010 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2011
2012 spin_lock_irq(&rme96->lock);
2013 ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2014 spin_unlock_irq(&rme96->lock);
2015 return 0;
2016 }
2017 static int
2018 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2019 {
2020 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2021 unsigned int val;
2022 int change;
2023
2024 val = ucontrol->value.enumerated.item[0] % 4;
2025 spin_lock_irq(&rme96->lock);
2026
2027 change = (int)val != snd_rme96_getattenuation(rme96);
2028 snd_rme96_setattenuation(rme96, val);
2029 spin_unlock_irq(&rme96->lock);
2030 return change;
2031 }
2032
2033 static int
2034 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2035 {
2036 static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2037
2038 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2039 uinfo->count = 1;
2040 uinfo->value.enumerated.items = 4;
2041 if (uinfo->value.enumerated.item > 3) {
2042 uinfo->value.enumerated.item = 3;
2043 }
2044 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2045 return 0;
2046 }
2047 static int
2048 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2049 {
2050 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2051
2052 spin_lock_irq(&rme96->lock);
2053 ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2054 spin_unlock_irq(&rme96->lock);
2055 return 0;
2056 }
2057 static int
2058 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2059 {
2060 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2061 unsigned int val;
2062 int change;
2063
2064 val = ucontrol->value.enumerated.item[0] % 4;
2065 spin_lock_irq(&rme96->lock);
2066 change = (int)val != snd_rme96_getmontracks(rme96);
2067 snd_rme96_setmontracks(rme96, val);
2068 spin_unlock_irq(&rme96->lock);
2069 return change;
2070 }
2071
2072 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2073 {
2074 u32 val = 0;
2075 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2076 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2077 if (val & RME96_WCR_PRO)
2078 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2079 else
2080 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2081 return val;
2082 }
2083
2084 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2085 {
2086 aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2087 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2088 if (val & RME96_WCR_PRO)
2089 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2090 else
2091 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2092 }
2093
2094 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2095 {
2096 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2097 uinfo->count = 1;
2098 return 0;
2099 }
2100
2101 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2102 {
2103 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2104
2105 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2106 return 0;
2107 }
2108
2109 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2110 {
2111 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2112 int change;
2113 u32 val;
2114
2115 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2116 spin_lock_irq(&rme96->lock);
2117 change = val != rme96->wcreg_spdif;
2118 rme96->wcreg_spdif = val;
2119 spin_unlock_irq(&rme96->lock);
2120 return change;
2121 }
2122
2123 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2124 {
2125 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2126 uinfo->count = 1;
2127 return 0;
2128 }
2129
2130 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2131 {
2132 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2133
2134 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2135 return 0;
2136 }
2137
2138 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139 {
2140 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2141 int change;
2142 u32 val;
2143
2144 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2145 spin_lock_irq(&rme96->lock);
2146 change = val != rme96->wcreg_spdif_stream;
2147 rme96->wcreg_spdif_stream = val;
2148 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2149 rme96->wcreg |= val;
2150 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2151 spin_unlock_irq(&rme96->lock);
2152 return change;
2153 }
2154
2155 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2156 {
2157 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2158 uinfo->count = 1;
2159 return 0;
2160 }
2161
2162 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2163 {
2164 ucontrol->value.iec958.status[0] = kcontrol->private_value;
2165 return 0;
2166 }
2167
2168 static int
2169 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2170 {
2171 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2172
2173 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2174 uinfo->count = 2;
2175 uinfo->value.integer.min = 0;
2176 uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2177 return 0;
2178 }
2179
2180 static int
2181 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2182 {
2183 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2184
2185 spin_lock_irq(&rme96->lock);
2186 u->value.integer.value[0] = rme96->vol[0];
2187 u->value.integer.value[1] = rme96->vol[1];
2188 spin_unlock_irq(&rme96->lock);
2189
2190 return 0;
2191 }
2192
2193 static int
2194 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2195 {
2196 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2197 int change = 0;
2198 unsigned int vol, maxvol;
2199
2200
2201 if (!RME96_HAS_ANALOG_OUT(rme96))
2202 return -EINVAL;
2203 maxvol = RME96_185X_MAX_OUT(rme96);
2204 spin_lock_irq(&rme96->lock);
2205 vol = u->value.integer.value[0];
2206 if (vol != rme96->vol[0] && vol <= maxvol) {
2207 rme96->vol[0] = vol;
2208 change = 1;
2209 }
2210 vol = u->value.integer.value[1];
2211 if (vol != rme96->vol[1] && vol <= maxvol) {
2212 rme96->vol[1] = vol;
2213 change = 1;
2214 }
2215 if (change)
2216 snd_rme96_apply_dac_volume(rme96);
2217 spin_unlock_irq(&rme96->lock);
2218
2219 return change;
2220 }
2221
2222 static struct snd_kcontrol_new snd_rme96_controls[] = {
2223 {
2224 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2225 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2226 .info = snd_rme96_control_spdif_info,
2227 .get = snd_rme96_control_spdif_get,
2228 .put = snd_rme96_control_spdif_put
2229 },
2230 {
2231 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2232 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2233 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2234 .info = snd_rme96_control_spdif_stream_info,
2235 .get = snd_rme96_control_spdif_stream_get,
2236 .put = snd_rme96_control_spdif_stream_put
2237 },
2238 {
2239 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2240 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2241 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2242 .info = snd_rme96_control_spdif_mask_info,
2243 .get = snd_rme96_control_spdif_mask_get,
2244 .private_value = IEC958_AES0_NONAUDIO |
2245 IEC958_AES0_PROFESSIONAL |
2246 IEC958_AES0_CON_EMPHASIS
2247 },
2248 {
2249 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2250 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2251 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2252 .info = snd_rme96_control_spdif_mask_info,
2253 .get = snd_rme96_control_spdif_mask_get,
2254 .private_value = IEC958_AES0_NONAUDIO |
2255 IEC958_AES0_PROFESSIONAL |
2256 IEC958_AES0_PRO_EMPHASIS
2257 },
2258 {
2259 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2260 .name = "Input Connector",
2261 .info = snd_rme96_info_inputtype_control,
2262 .get = snd_rme96_get_inputtype_control,
2263 .put = snd_rme96_put_inputtype_control
2264 },
2265 {
2266 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2267 .name = "Loopback Input",
2268 .info = snd_rme96_info_loopback_control,
2269 .get = snd_rme96_get_loopback_control,
2270 .put = snd_rme96_put_loopback_control
2271 },
2272 {
2273 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2274 .name = "Sample Clock Source",
2275 .info = snd_rme96_info_clockmode_control,
2276 .get = snd_rme96_get_clockmode_control,
2277 .put = snd_rme96_put_clockmode_control
2278 },
2279 {
2280 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2281 .name = "Monitor Tracks",
2282 .info = snd_rme96_info_montracks_control,
2283 .get = snd_rme96_get_montracks_control,
2284 .put = snd_rme96_put_montracks_control
2285 },
2286 {
2287 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2288 .name = "Attenuation",
2289 .info = snd_rme96_info_attenuation_control,
2290 .get = snd_rme96_get_attenuation_control,
2291 .put = snd_rme96_put_attenuation_control
2292 },
2293 {
2294 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2295 .name = "DAC Playback Volume",
2296 .info = snd_rme96_dac_volume_info,
2297 .get = snd_rme96_dac_volume_get,
2298 .put = snd_rme96_dac_volume_put
2299 }
2300 };
2301
2302 static int
2303 snd_rme96_create_switches(struct snd_card *card,
2304 struct rme96 *rme96)
2305 {
2306 int idx, err;
2307 struct snd_kcontrol *kctl;
2308
2309 for (idx = 0; idx < 7; idx++) {
2310 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2311 return err;
2312 if (idx == 1) /* IEC958 (S/PDIF) Stream */
2313 rme96->spdif_ctl = kctl;
2314 }
2315
2316 if (RME96_HAS_ANALOG_OUT(rme96)) {
2317 for (idx = 7; idx < 10; idx++)
2318 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2319 return err;
2320 }
2321
2322 return 0;
2323 }
2324
2325 /*
2326 * Card initialisation
2327 */
2328
2329 static void snd_rme96_card_free(struct snd_card *card)
2330 {
2331 snd_rme96_free(card->private_data);
2332 }
2333
2334 static int __devinit
2335 snd_rme96_probe(struct pci_dev *pci,
2336 const struct pci_device_id *pci_id)
2337 {
2338 static int dev;
2339 struct rme96 *rme96;
2340 struct snd_card *card;
2341 int err;
2342 u8 val;
2343
2344 if (dev >= SNDRV_CARDS) {
2345 return -ENODEV;
2346 }
2347 if (!enable[dev]) {
2348 dev++;
2349 return -ENOENT;
2350 }
2351 if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
2352 sizeof(struct rme96))) == NULL)
2353 return -ENOMEM;
2354 card->private_free = snd_rme96_card_free;
2355 rme96 = (struct rme96 *)card->private_data;
2356 rme96->card = card;
2357 rme96->pci = pci;
2358 snd_card_set_dev(card, &pci->dev);
2359 if ((err = snd_rme96_create(rme96)) < 0) {
2360 snd_card_free(card);
2361 return err;
2362 }
2363
2364 strcpy(card->driver, "Digi96");
2365 switch (rme96->pci->device) {
2366 case PCI_DEVICE_ID_RME_DIGI96:
2367 strcpy(card->shortname, "RME Digi96");
2368 break;
2369 case PCI_DEVICE_ID_RME_DIGI96_8:
2370 strcpy(card->shortname, "RME Digi96/8");
2371 break;
2372 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2373 strcpy(card->shortname, "RME Digi96/8 PRO");
2374 break;
2375 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2376 pci_read_config_byte(rme96->pci, 8, &val);
2377 if (val < 5) {
2378 strcpy(card->shortname, "RME Digi96/8 PAD");
2379 } else {
2380 strcpy(card->shortname, "RME Digi96/8 PST");
2381 }
2382 break;
2383 }
2384 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2385 rme96->port, rme96->irq);
2386
2387 if ((err = snd_card_register(card)) < 0) {
2388 snd_card_free(card);
2389 return err;
2390 }
2391 pci_set_drvdata(pci, card);
2392 dev++;
2393 return 0;
2394 }
2395
2396 static void __devexit snd_rme96_remove(struct pci_dev *pci)
2397 {
2398 snd_card_free(pci_get_drvdata(pci));
2399 pci_set_drvdata(pci, NULL);
2400 }
2401
2402 static struct pci_driver driver = {
2403 .name = "RME Digi96",
2404 .id_table = snd_rme96_ids,
2405 .probe = snd_rme96_probe,
2406 .remove = __devexit_p(snd_rme96_remove),
2407 };
2408
2409 static int __init alsa_card_rme96_init(void)
2410 {
2411 return pci_register_driver(&driver);
2412 }
2413
2414 static void __exit alsa_card_rme96_exit(void)
2415 {
2416 pci_unregister_driver(&driver);
2417 }
2418
2419 module_init(alsa_card_rme96_init)
2420 module_exit(alsa_card_rme96_exit)
Support for the Chinese Samsung S3C2440 based development boards