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fuse: prevent fuse_put_request on invalid pointer
[linux-2.6/verdex.git] / sound / pci / rme96.c
blob2ba5c0fd55dbb7adc590e568e0b78350124ffd91
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_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
236 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
237 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
238 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
239 { 0, }
240 };
241
242 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
243
244 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
245 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
246 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
247 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
248 (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
249 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
250 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
251 ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
252 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
253
254 static int
255 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
256
257 static int
258 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
259
260 static int
261 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
262 int cmd);
263
264 static int
265 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
266 int cmd);
267
268 static snd_pcm_uframes_t
269 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
270
271 static snd_pcm_uframes_t
272 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
273
274 static void __devinit
275 snd_rme96_proc_init(struct rme96 *rme96);
276
277 static int
278 snd_rme96_create_switches(struct snd_card *card,
279 struct rme96 *rme96);
280
281 static int
282 snd_rme96_getinputtype(struct rme96 *rme96);
283
284 static inline unsigned int
285 snd_rme96_playback_ptr(struct rme96 *rme96)
286 {
287 return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
288 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
289 }
290
291 static inline unsigned int
292 snd_rme96_capture_ptr(struct rme96 *rme96)
293 {
294 return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
295 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
296 }
297
298 static int
299 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
300 int channel, /* not used (interleaved data) */
301 snd_pcm_uframes_t pos,
302 snd_pcm_uframes_t count)
303 {
304 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
305 count <<= rme96->playback_frlog;
306 pos <<= rme96->playback_frlog;
307 memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
308 0, count);
309 return 0;
310 }
311
312 static int
313 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
314 int channel, /* not used (interleaved data) */
315 snd_pcm_uframes_t pos,
316 void __user *src,
317 snd_pcm_uframes_t count)
318 {
319 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
320 count <<= rme96->playback_frlog;
321 pos <<= rme96->playback_frlog;
322 copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
323 count);
324 return 0;
325 }
326
327 static int
328 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
329 int channel, /* not used (interleaved data) */
330 snd_pcm_uframes_t pos,
331 void __user *dst,
332 snd_pcm_uframes_t count)
333 {
334 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
335 count <<= rme96->capture_frlog;
336 pos <<= rme96->capture_frlog;
337 copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
338 count);
339 return 0;
340 }
341
342 /*
343 * Digital output capabilities (S/PDIF)
344 */
345 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
346 {
347 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
348 SNDRV_PCM_INFO_MMAP_VALID |
349 SNDRV_PCM_INFO_INTERLEAVED |
350 SNDRV_PCM_INFO_PAUSE),
351 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
352 SNDRV_PCM_FMTBIT_S32_LE),
353 .rates = (SNDRV_PCM_RATE_32000 |
354 SNDRV_PCM_RATE_44100 |
355 SNDRV_PCM_RATE_48000 |
356 SNDRV_PCM_RATE_64000 |
357 SNDRV_PCM_RATE_88200 |
358 SNDRV_PCM_RATE_96000),
359 .rate_min = 32000,
360 .rate_max = 96000,
361 .channels_min = 2,
362 .channels_max = 2,
363 .buffer_bytes_max = RME96_BUFFER_SIZE,
364 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
365 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
366 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
367 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
368 .fifo_size = 0,
369 };
370
371 /*
372 * Digital input capabilities (S/PDIF)
373 */
374 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
375 {
376 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
377 SNDRV_PCM_INFO_MMAP_VALID |
378 SNDRV_PCM_INFO_INTERLEAVED |
379 SNDRV_PCM_INFO_PAUSE),
380 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
381 SNDRV_PCM_FMTBIT_S32_LE),
382 .rates = (SNDRV_PCM_RATE_32000 |
383 SNDRV_PCM_RATE_44100 |
384 SNDRV_PCM_RATE_48000 |
385 SNDRV_PCM_RATE_64000 |
386 SNDRV_PCM_RATE_88200 |
387 SNDRV_PCM_RATE_96000),
388 .rate_min = 32000,
389 .rate_max = 96000,
390 .channels_min = 2,
391 .channels_max = 2,
392 .buffer_bytes_max = RME96_BUFFER_SIZE,
393 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
394 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
395 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
396 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
397 .fifo_size = 0,
398 };
399
400 /*
401 * Digital output capabilities (ADAT)
402 */
403 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
404 {
405 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
406 SNDRV_PCM_INFO_MMAP_VALID |
407 SNDRV_PCM_INFO_INTERLEAVED |
408 SNDRV_PCM_INFO_PAUSE),
409 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
410 SNDRV_PCM_FMTBIT_S32_LE),
411 .rates = (SNDRV_PCM_RATE_44100 |
412 SNDRV_PCM_RATE_48000),
413 .rate_min = 44100,
414 .rate_max = 48000,
415 .channels_min = 8,
416 .channels_max = 8,
417 .buffer_bytes_max = RME96_BUFFER_SIZE,
418 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
419 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
420 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
421 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
422 .fifo_size = 0,
423 };
424
425 /*
426 * Digital input capabilities (ADAT)
427 */
428 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
429 {
430 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
431 SNDRV_PCM_INFO_MMAP_VALID |
432 SNDRV_PCM_INFO_INTERLEAVED |
433 SNDRV_PCM_INFO_PAUSE),
434 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
435 SNDRV_PCM_FMTBIT_S32_LE),
436 .rates = (SNDRV_PCM_RATE_44100 |
437 SNDRV_PCM_RATE_48000),
438 .rate_min = 44100,
439 .rate_max = 48000,
440 .channels_min = 8,
441 .channels_max = 8,
442 .buffer_bytes_max = RME96_BUFFER_SIZE,
443 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
444 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
445 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
446 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
447 .fifo_size = 0,
448 };
449
450 /*
451 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
452 * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
453 * on the falling edge of CCLK and be stable on the rising edge. The rising
454 * edge of CLATCH after the last data bit clocks in the whole data word.
455 * A fast processor could probably drive the SPI interface faster than the
456 * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
457 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
458 *
459 * NOTE: increased delay from 1 to 10, since there where problems setting
460 * the volume.
461 */
462 static void
463 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
464 {
465 int i;
466
467 for (i = 0; i < 16; i++) {
468 if (val & 0x8000) {
469 rme96->areg |= RME96_AR_CDATA;
470 } else {
471 rme96->areg &= ~RME96_AR_CDATA;
472 }
473 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
474 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
475 udelay(10);
476 rme96->areg |= RME96_AR_CCLK;
477 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
478 udelay(10);
479 val <<= 1;
480 }
481 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
482 rme96->areg |= RME96_AR_CLATCH;
483 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
484 udelay(10);
485 rme96->areg &= ~RME96_AR_CLATCH;
486 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
487 }
488
489 static void
490 snd_rme96_apply_dac_volume(struct rme96 *rme96)
491 {
492 if (RME96_DAC_IS_1852(rme96)) {
493 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
494 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
495 } else if (RME96_DAC_IS_1855(rme96)) {
496 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
497 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
498 }
499 }
500
501 static void
502 snd_rme96_reset_dac(struct rme96 *rme96)
503 {
504 writel(rme96->wcreg | RME96_WCR_PD,
505 rme96->iobase + RME96_IO_CONTROL_REGISTER);
506 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
507 }
508
509 static int
510 snd_rme96_getmontracks(struct rme96 *rme96)
511 {
512 return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
513 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
514 }
515
516 static int
517 snd_rme96_setmontracks(struct rme96 *rme96,
518 int montracks)
519 {
520 if (montracks & 1) {
521 rme96->wcreg |= RME96_WCR_MONITOR_0;
522 } else {
523 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
524 }
525 if (montracks & 2) {
526 rme96->wcreg |= RME96_WCR_MONITOR_1;
527 } else {
528 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
529 }
530 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
531 return 0;
532 }
533
534 static int
535 snd_rme96_getattenuation(struct rme96 *rme96)
536 {
537 return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
538 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
539 }
540
541 static int
542 snd_rme96_setattenuation(struct rme96 *rme96,
543 int attenuation)
544 {
545 switch (attenuation) {
546 case 0:
547 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
548 ~RME96_WCR_GAIN_1;
549 break;
550 case 1:
551 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
552 ~RME96_WCR_GAIN_1;
553 break;
554 case 2:
555 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
556 RME96_WCR_GAIN_1;
557 break;
558 case 3:
559 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
560 RME96_WCR_GAIN_1;
561 break;
562 default:
563 return -EINVAL;
564 }
565 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
566 return 0;
567 }
568
569 static int
570 snd_rme96_capture_getrate(struct rme96 *rme96,
571 int *is_adat)
572 {
573 int n, rate;
574
575 *is_adat = 0;
576 if (rme96->areg & RME96_AR_ANALOG) {
577 /* Analog input, overrides S/PDIF setting */
578 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
579 (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
580 switch (n) {
581 case 1:
582 rate = 32000;
583 break;
584 case 2:
585 rate = 44100;
586 break;
587 case 3:
588 rate = 48000;
589 break;
590 default:
591 return -1;
592 }
593 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
594 }
595
596 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
597 if (rme96->rcreg & RME96_RCR_LOCK) {
598 /* ADAT rate */
599 *is_adat = 1;
600 if (rme96->rcreg & RME96_RCR_T_OUT) {
601 return 48000;
602 }
603 return 44100;
604 }
605
606 if (rme96->rcreg & RME96_RCR_VERF) {
607 return -1;
608 }
609
610 /* S/PDIF rate */
611 n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
612 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
613 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
614
615 switch (n) {
616 case 0:
617 if (rme96->rcreg & RME96_RCR_T_OUT) {
618 return 64000;
619 }
620 return -1;
621 case 3: return 96000;
622 case 4: return 88200;
623 case 5: return 48000;
624 case 6: return 44100;
625 case 7: return 32000;
626 default:
627 break;
628 }
629 return -1;
630 }
631
632 static int
633 snd_rme96_playback_getrate(struct rme96 *rme96)
634 {
635 int rate, dummy;
636
637 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
638 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
639 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
640 {
641 /* slave clock */
642 return rate;
643 }
644 rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
645 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
646 switch (rate) {
647 case 1:
648 rate = 32000;
649 break;
650 case 2:
651 rate = 44100;
652 break;
653 case 3:
654 rate = 48000;
655 break;
656 default:
657 return -1;
658 }
659 return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
660 }
661
662 static int
663 snd_rme96_playback_setrate(struct rme96 *rme96,
664 int rate)
665 {
666 int ds;
667
668 ds = rme96->wcreg & RME96_WCR_DS;
669 switch (rate) {
670 case 32000:
671 rme96->wcreg &= ~RME96_WCR_DS;
672 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
673 ~RME96_WCR_FREQ_1;
674 break;
675 case 44100:
676 rme96->wcreg &= ~RME96_WCR_DS;
677 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
678 ~RME96_WCR_FREQ_0;
679 break;
680 case 48000:
681 rme96->wcreg &= ~RME96_WCR_DS;
682 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
683 RME96_WCR_FREQ_1;
684 break;
685 case 64000:
686 rme96->wcreg |= RME96_WCR_DS;
687 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
688 ~RME96_WCR_FREQ_1;
689 break;
690 case 88200:
691 rme96->wcreg |= RME96_WCR_DS;
692 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
693 ~RME96_WCR_FREQ_0;
694 break;
695 case 96000:
696 rme96->wcreg |= RME96_WCR_DS;
697 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
698 RME96_WCR_FREQ_1;
699 break;
700 default:
701 return -EINVAL;
702 }
703 if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
704 (ds && !(rme96->wcreg & RME96_WCR_DS)))
705 {
706 /* change to/from double-speed: reset the DAC (if available) */
707 snd_rme96_reset_dac(rme96);
708 } else {
709 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
710 }
711 return 0;
712 }
713
714 static int
715 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
716 int rate)
717 {
718 switch (rate) {
719 case 32000:
720 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
721 ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
722 break;
723 case 44100:
724 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
725 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
726 break;
727 case 48000:
728 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
729 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
730 break;
731 case 64000:
732 if (rme96->rev < 4) {
733 return -EINVAL;
734 }
735 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
736 ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
737 break;
738 case 88200:
739 if (rme96->rev < 4) {
740 return -EINVAL;
741 }
742 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
743 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
744 break;
745 case 96000:
746 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
747 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
748 break;
749 default:
750 return -EINVAL;
751 }
752 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
753 return 0;
754 }
755
756 static int
757 snd_rme96_setclockmode(struct rme96 *rme96,
758 int mode)
759 {
760 switch (mode) {
761 case RME96_CLOCKMODE_SLAVE:
762 /* AutoSync */
763 rme96->wcreg &= ~RME96_WCR_MASTER;
764 rme96->areg &= ~RME96_AR_WSEL;
765 break;
766 case RME96_CLOCKMODE_MASTER:
767 /* Internal */
768 rme96->wcreg |= RME96_WCR_MASTER;
769 rme96->areg &= ~RME96_AR_WSEL;
770 break;
771 case RME96_CLOCKMODE_WORDCLOCK:
772 /* Word clock is a master mode */
773 rme96->wcreg |= RME96_WCR_MASTER;
774 rme96->areg |= RME96_AR_WSEL;
775 break;
776 default:
777 return -EINVAL;
778 }
779 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
780 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
781 return 0;
782 }
783
784 static int
785 snd_rme96_getclockmode(struct rme96 *rme96)
786 {
787 if (rme96->areg & RME96_AR_WSEL) {
788 return RME96_CLOCKMODE_WORDCLOCK;
789 }
790 return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
791 RME96_CLOCKMODE_SLAVE;
792 }
793
794 static int
795 snd_rme96_setinputtype(struct rme96 *rme96,
796 int type)
797 {
798 int n;
799
800 switch (type) {
801 case RME96_INPUT_OPTICAL:
802 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
803 ~RME96_WCR_INP_1;
804 break;
805 case RME96_INPUT_COAXIAL:
806 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
807 ~RME96_WCR_INP_1;
808 break;
809 case RME96_INPUT_INTERNAL:
810 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
811 RME96_WCR_INP_1;
812 break;
813 case RME96_INPUT_XLR:
814 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
815 rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
816 (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
817 rme96->rev > 4))
818 {
819 /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
820 return -EINVAL;
821 }
822 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
823 RME96_WCR_INP_1;
824 break;
825 case RME96_INPUT_ANALOG:
826 if (!RME96_HAS_ANALOG_IN(rme96)) {
827 return -EINVAL;
828 }
829 rme96->areg |= RME96_AR_ANALOG;
830 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
831 if (rme96->rev < 4) {
832 /*
833 * Revision less than 004 does not support 64 and
834 * 88.2 kHz
835 */
836 if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
837 snd_rme96_capture_analog_setrate(rme96, 44100);
838 }
839 if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
840 snd_rme96_capture_analog_setrate(rme96, 32000);
841 }
842 }
843 return 0;
844 default:
845 return -EINVAL;
846 }
847 if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
848 rme96->areg &= ~RME96_AR_ANALOG;
849 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
850 }
851 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
852 return 0;
853 }
854
855 static int
856 snd_rme96_getinputtype(struct rme96 *rme96)
857 {
858 if (rme96->areg & RME96_AR_ANALOG) {
859 return RME96_INPUT_ANALOG;
860 }
861 return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
862 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
863 }
864
865 static void
866 snd_rme96_setframelog(struct rme96 *rme96,
867 int n_channels,
868 int is_playback)
869 {
870 int frlog;
871
872 if (n_channels == 2) {
873 frlog = 1;
874 } else {
875 /* assume 8 channels */
876 frlog = 3;
877 }
878 if (is_playback) {
879 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
880 rme96->playback_frlog = frlog;
881 } else {
882 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
883 rme96->capture_frlog = frlog;
884 }
885 }
886
887 static int
888 snd_rme96_playback_setformat(struct rme96 *rme96,
889 int format)
890 {
891 switch (format) {
892 case SNDRV_PCM_FORMAT_S16_LE:
893 rme96->wcreg &= ~RME96_WCR_MODE24;
894 break;
895 case SNDRV_PCM_FORMAT_S32_LE:
896 rme96->wcreg |= RME96_WCR_MODE24;
897 break;
898 default:
899 return -EINVAL;
900 }
901 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
902 return 0;
903 }
904
905 static int
906 snd_rme96_capture_setformat(struct rme96 *rme96,
907 int format)
908 {
909 switch (format) {
910 case SNDRV_PCM_FORMAT_S16_LE:
911 rme96->wcreg &= ~RME96_WCR_MODE24_2;
912 break;
913 case SNDRV_PCM_FORMAT_S32_LE:
914 rme96->wcreg |= RME96_WCR_MODE24_2;
915 break;
916 default:
917 return -EINVAL;
918 }
919 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
920 return 0;
921 }
922
923 static void
924 snd_rme96_set_period_properties(struct rme96 *rme96,
925 size_t period_bytes)
926 {
927 switch (period_bytes) {
928 case RME96_LARGE_BLOCK_SIZE:
929 rme96->wcreg &= ~RME96_WCR_ISEL;
930 break;
931 case RME96_SMALL_BLOCK_SIZE:
932 rme96->wcreg |= RME96_WCR_ISEL;
933 break;
934 default:
935 snd_BUG();
936 break;
937 }
938 rme96->wcreg &= ~RME96_WCR_IDIS;
939 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
940 }
941
942 static int
943 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
944 struct snd_pcm_hw_params *params)
945 {
946 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
947 struct snd_pcm_runtime *runtime = substream->runtime;
948 int err, rate, dummy;
949
950 runtime->dma_area = (void __force *)(rme96->iobase +
951 RME96_IO_PLAY_BUFFER);
952 runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
953 runtime->dma_bytes = RME96_BUFFER_SIZE;
954
955 spin_lock_irq(&rme96->lock);
956 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
957 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
958 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
959 {
960 /* slave clock */
961 if ((int)params_rate(params) != rate) {
962 spin_unlock_irq(&rme96->lock);
963 return -EIO;
964 }
965 } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
966 spin_unlock_irq(&rme96->lock);
967 return err;
968 }
969 if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
970 spin_unlock_irq(&rme96->lock);
971 return err;
972 }
973 snd_rme96_setframelog(rme96, params_channels(params), 1);
974 if (rme96->capture_periodsize != 0) {
975 if (params_period_size(params) << rme96->playback_frlog !=
976 rme96->capture_periodsize)
977 {
978 spin_unlock_irq(&rme96->lock);
979 return -EBUSY;
980 }
981 }
982 rme96->playback_periodsize =
983 params_period_size(params) << rme96->playback_frlog;
984 snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
985 /* S/PDIF setup */
986 if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
987 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
988 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
989 }
990 spin_unlock_irq(&rme96->lock);
991
992 return 0;
993 }
994
995 static int
996 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
997 struct snd_pcm_hw_params *params)
998 {
999 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1000 struct snd_pcm_runtime *runtime = substream->runtime;
1001 int err, isadat, rate;
1002
1003 runtime->dma_area = (void __force *)(rme96->iobase +
1004 RME96_IO_REC_BUFFER);
1005 runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1006 runtime->dma_bytes = RME96_BUFFER_SIZE;
1007
1008 spin_lock_irq(&rme96->lock);
1009 if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1010 spin_unlock_irq(&rme96->lock);
1011 return err;
1012 }
1013 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1014 if ((err = snd_rme96_capture_analog_setrate(rme96,
1015 params_rate(params))) < 0)
1016 {
1017 spin_unlock_irq(&rme96->lock);
1018 return err;
1019 }
1020 } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1021 if ((int)params_rate(params) != rate) {
1022 spin_unlock_irq(&rme96->lock);
1023 return -EIO;
1024 }
1025 if ((isadat && runtime->hw.channels_min == 2) ||
1026 (!isadat && runtime->hw.channels_min == 8))
1027 {
1028 spin_unlock_irq(&rme96->lock);
1029 return -EIO;
1030 }
1031 }
1032 snd_rme96_setframelog(rme96, params_channels(params), 0);
1033 if (rme96->playback_periodsize != 0) {
1034 if (params_period_size(params) << rme96->capture_frlog !=
1035 rme96->playback_periodsize)
1036 {
1037 spin_unlock_irq(&rme96->lock);
1038 return -EBUSY;
1039 }
1040 }
1041 rme96->capture_periodsize =
1042 params_period_size(params) << rme96->capture_frlog;
1043 snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1044 spin_unlock_irq(&rme96->lock);
1045
1046 return 0;
1047 }
1048
1049 static void
1050 snd_rme96_playback_start(struct rme96 *rme96,
1051 int from_pause)
1052 {
1053 if (!from_pause) {
1054 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1055 }
1056
1057 rme96->wcreg |= RME96_WCR_START;
1058 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1059 }
1060
1061 static void
1062 snd_rme96_capture_start(struct rme96 *rme96,
1063 int from_pause)
1064 {
1065 if (!from_pause) {
1066 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1067 }
1068
1069 rme96->wcreg |= RME96_WCR_START_2;
1070 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1071 }
1072
1073 static void
1074 snd_rme96_playback_stop(struct rme96 *rme96)
1075 {
1076 /*
1077 * Check if there is an unconfirmed IRQ, if so confirm it, or else
1078 * the hardware will not stop generating interrupts
1079 */
1080 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1081 if (rme96->rcreg & RME96_RCR_IRQ) {
1082 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1083 }
1084 rme96->wcreg &= ~RME96_WCR_START;
1085 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1086 }
1087
1088 static void
1089 snd_rme96_capture_stop(struct rme96 *rme96)
1090 {
1091 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1092 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1093 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1094 }
1095 rme96->wcreg &= ~RME96_WCR_START_2;
1096 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1097 }
1098
1099 static irqreturn_t
1100 snd_rme96_interrupt(int irq,
1101 void *dev_id)
1102 {
1103 struct rme96 *rme96 = (struct rme96 *)dev_id;
1104
1105 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1106 /* fastpath out, to ease interrupt sharing */
1107 if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1108 (rme96->rcreg & RME96_RCR_IRQ_2)))
1109 {
1110 return IRQ_NONE;
1111 }
1112
1113 if (rme96->rcreg & RME96_RCR_IRQ) {
1114 /* playback */
1115 snd_pcm_period_elapsed(rme96->playback_substream);
1116 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1117 }
1118 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1119 /* capture */
1120 snd_pcm_period_elapsed(rme96->capture_substream);
1121 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1122 }
1123 return IRQ_HANDLED;
1124 }
1125
1126 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1127
1128 static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1129 .count = ARRAY_SIZE(period_bytes),
1130 .list = period_bytes,
1131 .mask = 0
1132 };
1133
1134 static void
1135 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1136 struct snd_pcm_runtime *runtime)
1137 {
1138 unsigned int size;
1139
1140 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1141 RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1142 if ((size = rme96->playback_periodsize) != 0 ||
1143 (size = rme96->capture_periodsize) != 0)
1144 snd_pcm_hw_constraint_minmax(runtime,
1145 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1146 size, size);
1147 else
1148 snd_pcm_hw_constraint_list(runtime, 0,
1149 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1150 &hw_constraints_period_bytes);
1151 }
1152
1153 static int
1154 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1155 {
1156 int rate, dummy;
1157 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1158 struct snd_pcm_runtime *runtime = substream->runtime;
1159
1160 spin_lock_irq(&rme96->lock);
1161 if (rme96->playback_substream != NULL) {
1162 spin_unlock_irq(&rme96->lock);
1163 return -EBUSY;
1164 }
1165 rme96->wcreg &= ~RME96_WCR_ADAT;
1166 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1167 rme96->playback_substream = substream;
1168 spin_unlock_irq(&rme96->lock);
1169
1170 runtime->hw = snd_rme96_playback_spdif_info;
1171 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1172 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1173 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1174 {
1175 /* slave clock */
1176 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1177 runtime->hw.rate_min = rate;
1178 runtime->hw.rate_max = rate;
1179 }
1180 rme96_set_buffer_size_constraint(rme96, runtime);
1181
1182 rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1183 rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1184 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1185 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1186 return 0;
1187 }
1188
1189 static int
1190 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1191 {
1192 int isadat, rate;
1193 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1194 struct snd_pcm_runtime *runtime = substream->runtime;
1195
1196 runtime->hw = snd_rme96_capture_spdif_info;
1197 if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1198 (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1199 {
1200 if (isadat) {
1201 return -EIO;
1202 }
1203 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1204 runtime->hw.rate_min = rate;
1205 runtime->hw.rate_max = rate;
1206 }
1207
1208 spin_lock_irq(&rme96->lock);
1209 if (rme96->capture_substream != NULL) {
1210 spin_unlock_irq(&rme96->lock);
1211 return -EBUSY;
1212 }
1213 rme96->capture_substream = substream;
1214 spin_unlock_irq(&rme96->lock);
1215
1216 rme96_set_buffer_size_constraint(rme96, runtime);
1217 return 0;
1218 }
1219
1220 static int
1221 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1222 {
1223 int rate, dummy;
1224 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1225 struct snd_pcm_runtime *runtime = substream->runtime;
1226
1227 spin_lock_irq(&rme96->lock);
1228 if (rme96->playback_substream != NULL) {
1229 spin_unlock_irq(&rme96->lock);
1230 return -EBUSY;
1231 }
1232 rme96->wcreg |= RME96_WCR_ADAT;
1233 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1234 rme96->playback_substream = substream;
1235 spin_unlock_irq(&rme96->lock);
1236
1237 runtime->hw = snd_rme96_playback_adat_info;
1238 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1239 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1240 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1241 {
1242 /* slave clock */
1243 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1244 runtime->hw.rate_min = rate;
1245 runtime->hw.rate_max = rate;
1246 }
1247 rme96_set_buffer_size_constraint(rme96, runtime);
1248 return 0;
1249 }
1250
1251 static int
1252 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1253 {
1254 int isadat, rate;
1255 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1256 struct snd_pcm_runtime *runtime = substream->runtime;
1257
1258 runtime->hw = snd_rme96_capture_adat_info;
1259 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1260 /* makes no sense to use analog input. Note that analog
1261 expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1262 return -EIO;
1263 }
1264 if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1265 if (!isadat) {
1266 return -EIO;
1267 }
1268 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1269 runtime->hw.rate_min = rate;
1270 runtime->hw.rate_max = rate;
1271 }
1272
1273 spin_lock_irq(&rme96->lock);
1274 if (rme96->capture_substream != NULL) {
1275 spin_unlock_irq(&rme96->lock);
1276 return -EBUSY;
1277 }
1278 rme96->capture_substream = substream;
1279 spin_unlock_irq(&rme96->lock);
1280
1281 rme96_set_buffer_size_constraint(rme96, runtime);
1282 return 0;
1283 }
1284
1285 static int
1286 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1287 {
1288 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1289 int spdif = 0;
1290
1291 spin_lock_irq(&rme96->lock);
1292 if (RME96_ISPLAYING(rme96)) {
1293 snd_rme96_playback_stop(rme96);
1294 }
1295 rme96->playback_substream = NULL;
1296 rme96->playback_periodsize = 0;
1297 spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1298 spin_unlock_irq(&rme96->lock);
1299 if (spdif) {
1300 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1301 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1302 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1303 }
1304 return 0;
1305 }
1306
1307 static int
1308 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1309 {
1310 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1311
1312 spin_lock_irq(&rme96->lock);
1313 if (RME96_ISRECORDING(rme96)) {
1314 snd_rme96_capture_stop(rme96);
1315 }
1316 rme96->capture_substream = NULL;
1317 rme96->capture_periodsize = 0;
1318 spin_unlock_irq(&rme96->lock);
1319 return 0;
1320 }
1321
1322 static int
1323 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1324 {
1325 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1326
1327 spin_lock_irq(&rme96->lock);
1328 if (RME96_ISPLAYING(rme96)) {
1329 snd_rme96_playback_stop(rme96);
1330 }
1331 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1332 spin_unlock_irq(&rme96->lock);
1333 return 0;
1334 }
1335
1336 static int
1337 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1338 {
1339 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1340
1341 spin_lock_irq(&rme96->lock);
1342 if (RME96_ISRECORDING(rme96)) {
1343 snd_rme96_capture_stop(rme96);
1344 }
1345 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1346 spin_unlock_irq(&rme96->lock);
1347 return 0;
1348 }
1349
1350 static int
1351 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1352 int cmd)
1353 {
1354 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1355
1356 switch (cmd) {
1357 case SNDRV_PCM_TRIGGER_START:
1358 if (!RME96_ISPLAYING(rme96)) {
1359 if (substream != rme96->playback_substream) {
1360 return -EBUSY;
1361 }
1362 snd_rme96_playback_start(rme96, 0);
1363 }
1364 break;
1365
1366 case SNDRV_PCM_TRIGGER_STOP:
1367 if (RME96_ISPLAYING(rme96)) {
1368 if (substream != rme96->playback_substream) {
1369 return -EBUSY;
1370 }
1371 snd_rme96_playback_stop(rme96);
1372 }
1373 break;
1374
1375 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1376 if (RME96_ISPLAYING(rme96)) {
1377 snd_rme96_playback_stop(rme96);
1378 }
1379 break;
1380
1381 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1382 if (!RME96_ISPLAYING(rme96)) {
1383 snd_rme96_playback_start(rme96, 1);
1384 }
1385 break;
1386
1387 default:
1388 return -EINVAL;
1389 }
1390 return 0;
1391 }
1392
1393 static int
1394 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1395 int cmd)
1396 {
1397 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1398
1399 switch (cmd) {
1400 case SNDRV_PCM_TRIGGER_START:
1401 if (!RME96_ISRECORDING(rme96)) {
1402 if (substream != rme96->capture_substream) {
1403 return -EBUSY;
1404 }
1405 snd_rme96_capture_start(rme96, 0);
1406 }
1407 break;
1408
1409 case SNDRV_PCM_TRIGGER_STOP:
1410 if (RME96_ISRECORDING(rme96)) {
1411 if (substream != rme96->capture_substream) {
1412 return -EBUSY;
1413 }
1414 snd_rme96_capture_stop(rme96);
1415 }
1416 break;
1417
1418 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1419 if (RME96_ISRECORDING(rme96)) {
1420 snd_rme96_capture_stop(rme96);
1421 }
1422 break;
1423
1424 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1425 if (!RME96_ISRECORDING(rme96)) {
1426 snd_rme96_capture_start(rme96, 1);
1427 }
1428 break;
1429
1430 default:
1431 return -EINVAL;
1432 }
1433
1434 return 0;
1435 }
1436
1437 static snd_pcm_uframes_t
1438 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1439 {
1440 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1441 return snd_rme96_playback_ptr(rme96);
1442 }
1443
1444 static snd_pcm_uframes_t
1445 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1446 {
1447 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1448 return snd_rme96_capture_ptr(rme96);
1449 }
1450
1451 static struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1452 .open = snd_rme96_playback_spdif_open,
1453 .close = snd_rme96_playback_close,
1454 .ioctl = snd_pcm_lib_ioctl,
1455 .hw_params = snd_rme96_playback_hw_params,
1456 .prepare = snd_rme96_playback_prepare,
1457 .trigger = snd_rme96_playback_trigger,
1458 .pointer = snd_rme96_playback_pointer,
1459 .copy = snd_rme96_playback_copy,
1460 .silence = snd_rme96_playback_silence,
1461 .mmap = snd_pcm_lib_mmap_iomem,
1462 };
1463
1464 static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1465 .open = snd_rme96_capture_spdif_open,
1466 .close = snd_rme96_capture_close,
1467 .ioctl = snd_pcm_lib_ioctl,
1468 .hw_params = snd_rme96_capture_hw_params,
1469 .prepare = snd_rme96_capture_prepare,
1470 .trigger = snd_rme96_capture_trigger,
1471 .pointer = snd_rme96_capture_pointer,
1472 .copy = snd_rme96_capture_copy,
1473 .mmap = snd_pcm_lib_mmap_iomem,
1474 };
1475
1476 static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1477 .open = snd_rme96_playback_adat_open,
1478 .close = snd_rme96_playback_close,
1479 .ioctl = snd_pcm_lib_ioctl,
1480 .hw_params = snd_rme96_playback_hw_params,
1481 .prepare = snd_rme96_playback_prepare,
1482 .trigger = snd_rme96_playback_trigger,
1483 .pointer = snd_rme96_playback_pointer,
1484 .copy = snd_rme96_playback_copy,
1485 .silence = snd_rme96_playback_silence,
1486 .mmap = snd_pcm_lib_mmap_iomem,
1487 };
1488
1489 static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1490 .open = snd_rme96_capture_adat_open,
1491 .close = snd_rme96_capture_close,
1492 .ioctl = snd_pcm_lib_ioctl,
1493 .hw_params = snd_rme96_capture_hw_params,
1494 .prepare = snd_rme96_capture_prepare,
1495 .trigger = snd_rme96_capture_trigger,
1496 .pointer = snd_rme96_capture_pointer,
1497 .copy = snd_rme96_capture_copy,
1498 .mmap = snd_pcm_lib_mmap_iomem,
1499 };
1500
1501 static void
1502 snd_rme96_free(void *private_data)
1503 {
1504 struct rme96 *rme96 = (struct rme96 *)private_data;
1505
1506 if (rme96 == NULL) {
1507 return;
1508 }
1509 if (rme96->irq >= 0) {
1510 snd_rme96_playback_stop(rme96);
1511 snd_rme96_capture_stop(rme96);
1512 rme96->areg &= ~RME96_AR_DAC_EN;
1513 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1514 free_irq(rme96->irq, (void *)rme96);
1515 rme96->irq = -1;
1516 }
1517 if (rme96->iobase) {
1518 iounmap(rme96->iobase);
1519 rme96->iobase = NULL;
1520 }
1521 if (rme96->port) {
1522 pci_release_regions(rme96->pci);
1523 rme96->port = 0;
1524 }
1525 pci_disable_device(rme96->pci);
1526 }
1527
1528 static void
1529 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1530 {
1531 struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1532 rme96->spdif_pcm = NULL;
1533 }
1534
1535 static void
1536 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1537 {
1538 struct rme96 *rme96 = (struct rme96 *) pcm->private_data;
1539 rme96->adat_pcm = NULL;
1540 }
1541
1542 static int __devinit
1543 snd_rme96_create(struct rme96 *rme96)
1544 {
1545 struct pci_dev *pci = rme96->pci;
1546 int err;
1547
1548 rme96->irq = -1;
1549 spin_lock_init(&rme96->lock);
1550
1551 if ((err = pci_enable_device(pci)) < 0)
1552 return err;
1553
1554 if ((err = pci_request_regions(pci, "RME96")) < 0)
1555 return err;
1556 rme96->port = pci_resource_start(rme96->pci, 0);
1557
1558 rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1559 if (!rme96->iobase) {
1560 snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
1561 return -ENOMEM;
1562 }
1563
1564 if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1565 "RME96", rme96)) {
1566 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1567 return -EBUSY;
1568 }
1569 rme96->irq = pci->irq;
1570
1571 /* read the card's revision number */
1572 pci_read_config_byte(pci, 8, &rme96->rev);
1573
1574 /* set up ALSA pcm device for S/PDIF */
1575 if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1576 1, 1, &rme96->spdif_pcm)) < 0)
1577 {
1578 return err;
1579 }
1580 rme96->spdif_pcm->private_data = rme96;
1581 rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1582 strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1583 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1584 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1585
1586 rme96->spdif_pcm->info_flags = 0;
1587
1588 /* set up ALSA pcm device for ADAT */
1589 if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1590 /* ADAT is not available on the base model */
1591 rme96->adat_pcm = NULL;
1592 } else {
1593 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1594 1, 1, &rme96->adat_pcm)) < 0)
1595 {
1596 return err;
1597 }
1598 rme96->adat_pcm->private_data = rme96;
1599 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1600 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1601 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1602 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1603
1604 rme96->adat_pcm->info_flags = 0;
1605 }
1606
1607 rme96->playback_periodsize = 0;
1608 rme96->capture_periodsize = 0;
1609
1610 /* make sure playback/capture is stopped, if by some reason active */
1611 snd_rme96_playback_stop(rme96);
1612 snd_rme96_capture_stop(rme96);
1613
1614 /* set default values in registers */
1615 rme96->wcreg =
1616 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1617 RME96_WCR_SEL | /* normal playback */
1618 RME96_WCR_MASTER | /* set to master clock mode */
1619 RME96_WCR_INP_0; /* set coaxial input */
1620
1621 rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1622
1623 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1624 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1625
1626 /* reset the ADC */
1627 writel(rme96->areg | RME96_AR_PD2,
1628 rme96->iobase + RME96_IO_ADDITIONAL_REG);
1629 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1630
1631 /* reset and enable the DAC (order is important). */
1632 snd_rme96_reset_dac(rme96);
1633 rme96->areg |= RME96_AR_DAC_EN;
1634 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1635
1636 /* reset playback and record buffer pointers */
1637 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1638 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1639
1640 /* reset volume */
1641 rme96->vol[0] = rme96->vol[1] = 0;
1642 if (RME96_HAS_ANALOG_OUT(rme96)) {
1643 snd_rme96_apply_dac_volume(rme96);
1644 }
1645
1646 /* init switch interface */
1647 if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1648 return err;
1649 }
1650
1651 /* init proc interface */
1652 snd_rme96_proc_init(rme96);
1653
1654 return 0;
1655 }
1656
1657 /*
1658 * proc interface
1659 */
1660
1661 static void
1662 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1663 {
1664 int n;
1665 struct rme96 *rme96 = (struct rme96 *)entry->private_data;
1666
1667 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1668
1669 snd_iprintf(buffer, rme96->card->longname);
1670 snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1671
1672 snd_iprintf(buffer, "\nGeneral settings\n");
1673 if (rme96->wcreg & RME96_WCR_IDIS) {
1674 snd_iprintf(buffer, " period size: N/A (interrupts "
1675 "disabled)\n");
1676 } else if (rme96->wcreg & RME96_WCR_ISEL) {
1677 snd_iprintf(buffer, " period size: 2048 bytes\n");
1678 } else {
1679 snd_iprintf(buffer, " period size: 8192 bytes\n");
1680 }
1681 snd_iprintf(buffer, "\nInput settings\n");
1682 switch (snd_rme96_getinputtype(rme96)) {
1683 case RME96_INPUT_OPTICAL:
1684 snd_iprintf(buffer, " input: optical");
1685 break;
1686 case RME96_INPUT_COAXIAL:
1687 snd_iprintf(buffer, " input: coaxial");
1688 break;
1689 case RME96_INPUT_INTERNAL:
1690 snd_iprintf(buffer, " input: internal");
1691 break;
1692 case RME96_INPUT_XLR:
1693 snd_iprintf(buffer, " input: XLR");
1694 break;
1695 case RME96_INPUT_ANALOG:
1696 snd_iprintf(buffer, " input: analog");
1697 break;
1698 }
1699 if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1700 snd_iprintf(buffer, "\n sample rate: no valid signal\n");
1701 } else {
1702 if (n) {
1703 snd_iprintf(buffer, " (8 channels)\n");
1704 } else {
1705 snd_iprintf(buffer, " (2 channels)\n");
1706 }
1707 snd_iprintf(buffer, " sample rate: %d Hz\n",
1708 snd_rme96_capture_getrate(rme96, &n));
1709 }
1710 if (rme96->wcreg & RME96_WCR_MODE24_2) {
1711 snd_iprintf(buffer, " sample format: 24 bit\n");
1712 } else {
1713 snd_iprintf(buffer, " sample format: 16 bit\n");
1714 }
1715
1716 snd_iprintf(buffer, "\nOutput settings\n");
1717 if (rme96->wcreg & RME96_WCR_SEL) {
1718 snd_iprintf(buffer, " output signal: normal playback\n");
1719 } else {
1720 snd_iprintf(buffer, " output signal: same as input\n");
1721 }
1722 snd_iprintf(buffer, " sample rate: %d Hz\n",
1723 snd_rme96_playback_getrate(rme96));
1724 if (rme96->wcreg & RME96_WCR_MODE24) {
1725 snd_iprintf(buffer, " sample format: 24 bit\n");
1726 } else {
1727 snd_iprintf(buffer, " sample format: 16 bit\n");
1728 }
1729 if (rme96->areg & RME96_AR_WSEL) {
1730 snd_iprintf(buffer, " sample clock source: word clock\n");
1731 } else if (rme96->wcreg & RME96_WCR_MASTER) {
1732 snd_iprintf(buffer, " sample clock source: internal\n");
1733 } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1734 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
1735 } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1736 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
1737 } else {
1738 snd_iprintf(buffer, " sample clock source: autosync\n");
1739 }
1740 if (rme96->wcreg & RME96_WCR_PRO) {
1741 snd_iprintf(buffer, " format: AES/EBU (professional)\n");
1742 } else {
1743 snd_iprintf(buffer, " format: IEC958 (consumer)\n");
1744 }
1745 if (rme96->wcreg & RME96_WCR_EMP) {
1746 snd_iprintf(buffer, " emphasis: on\n");
1747 } else {
1748 snd_iprintf(buffer, " emphasis: off\n");
1749 }
1750 if (rme96->wcreg & RME96_WCR_DOLBY) {
1751 snd_iprintf(buffer, " non-audio (dolby): on\n");
1752 } else {
1753 snd_iprintf(buffer, " non-audio (dolby): off\n");
1754 }
1755 if (RME96_HAS_ANALOG_IN(rme96)) {
1756 snd_iprintf(buffer, "\nAnalog output settings\n");
1757 switch (snd_rme96_getmontracks(rme96)) {
1758 case RME96_MONITOR_TRACKS_1_2:
1759 snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
1760 break;
1761 case RME96_MONITOR_TRACKS_3_4:
1762 snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
1763 break;
1764 case RME96_MONITOR_TRACKS_5_6:
1765 snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
1766 break;
1767 case RME96_MONITOR_TRACKS_7_8:
1768 snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
1769 break;
1770 }
1771 switch (snd_rme96_getattenuation(rme96)) {
1772 case RME96_ATTENUATION_0:
1773 snd_iprintf(buffer, " attenuation: 0 dB\n");
1774 break;
1775 case RME96_ATTENUATION_6:
1776 snd_iprintf(buffer, " attenuation: -6 dB\n");
1777 break;
1778 case RME96_ATTENUATION_12:
1779 snd_iprintf(buffer, " attenuation: -12 dB\n");
1780 break;
1781 case RME96_ATTENUATION_18:
1782 snd_iprintf(buffer, " attenuation: -18 dB\n");
1783 break;
1784 }
1785 snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
1786 snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
1787 }
1788 }
1789
1790 static void __devinit
1791 snd_rme96_proc_init(struct rme96 *rme96)
1792 {
1793 struct snd_info_entry *entry;
1794
1795 if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1796 snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1797 }
1798
1799 /*
1800 * control interface
1801 */
1802
1803 #define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
1804
1805 static int
1806 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1807 {
1808 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1809
1810 spin_lock_irq(&rme96->lock);
1811 ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1812 spin_unlock_irq(&rme96->lock);
1813 return 0;
1814 }
1815 static int
1816 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1817 {
1818 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1819 unsigned int val;
1820 int change;
1821
1822 val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1823 spin_lock_irq(&rme96->lock);
1824 val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1825 change = val != rme96->wcreg;
1826 rme96->wcreg = val;
1827 writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1828 spin_unlock_irq(&rme96->lock);
1829 return change;
1830 }
1831
1832 static int
1833 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1834 {
1835 static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
1836 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1837 char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
1838
1839 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1840 uinfo->count = 1;
1841 switch (rme96->pci->device) {
1842 case PCI_DEVICE_ID_RME_DIGI96:
1843 case PCI_DEVICE_ID_RME_DIGI96_8:
1844 uinfo->value.enumerated.items = 3;
1845 break;
1846 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1847 uinfo->value.enumerated.items = 4;
1848 break;
1849 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1850 if (rme96->rev > 4) {
1851 /* PST */
1852 uinfo->value.enumerated.items = 4;
1853 texts[3] = _texts[4]; /* Analog instead of XLR */
1854 } else {
1855 /* PAD */
1856 uinfo->value.enumerated.items = 5;
1857 }
1858 break;
1859 default:
1860 snd_BUG();
1861 break;
1862 }
1863 if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
1864 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1865 }
1866 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1867 return 0;
1868 }
1869 static int
1870 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1871 {
1872 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1873 unsigned int items = 3;
1874
1875 spin_lock_irq(&rme96->lock);
1876 ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1877
1878 switch (rme96->pci->device) {
1879 case PCI_DEVICE_ID_RME_DIGI96:
1880 case PCI_DEVICE_ID_RME_DIGI96_8:
1881 items = 3;
1882 break;
1883 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1884 items = 4;
1885 break;
1886 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1887 if (rme96->rev > 4) {
1888 /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1889 if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1890 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1891 }
1892 items = 4;
1893 } else {
1894 items = 5;
1895 }
1896 break;
1897 default:
1898 snd_BUG();
1899 break;
1900 }
1901 if (ucontrol->value.enumerated.item[0] >= items) {
1902 ucontrol->value.enumerated.item[0] = items - 1;
1903 }
1904
1905 spin_unlock_irq(&rme96->lock);
1906 return 0;
1907 }
1908 static int
1909 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1910 {
1911 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1912 unsigned int val;
1913 int change, items = 3;
1914
1915 switch (rme96->pci->device) {
1916 case PCI_DEVICE_ID_RME_DIGI96:
1917 case PCI_DEVICE_ID_RME_DIGI96_8:
1918 items = 3;
1919 break;
1920 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1921 items = 4;
1922 break;
1923 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1924 if (rme96->rev > 4) {
1925 items = 4;
1926 } else {
1927 items = 5;
1928 }
1929 break;
1930 default:
1931 snd_BUG();
1932 break;
1933 }
1934 val = ucontrol->value.enumerated.item[0] % items;
1935
1936 /* special case for PST */
1937 if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1938 if (val == RME96_INPUT_XLR) {
1939 val = RME96_INPUT_ANALOG;
1940 }
1941 }
1942
1943 spin_lock_irq(&rme96->lock);
1944 change = (int)val != snd_rme96_getinputtype(rme96);
1945 snd_rme96_setinputtype(rme96, val);
1946 spin_unlock_irq(&rme96->lock);
1947 return change;
1948 }
1949
1950 static int
1951 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1952 {
1953 static char *texts[3] = { "AutoSync", "Internal", "Word" };
1954
1955 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1956 uinfo->count = 1;
1957 uinfo->value.enumerated.items = 3;
1958 if (uinfo->value.enumerated.item > 2) {
1959 uinfo->value.enumerated.item = 2;
1960 }
1961 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1962 return 0;
1963 }
1964 static int
1965 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1966 {
1967 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1968
1969 spin_lock_irq(&rme96->lock);
1970 ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1971 spin_unlock_irq(&rme96->lock);
1972 return 0;
1973 }
1974 static int
1975 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1976 {
1977 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1978 unsigned int val;
1979 int change;
1980
1981 val = ucontrol->value.enumerated.item[0] % 3;
1982 spin_lock_irq(&rme96->lock);
1983 change = (int)val != snd_rme96_getclockmode(rme96);
1984 snd_rme96_setclockmode(rme96, val);
1985 spin_unlock_irq(&rme96->lock);
1986 return change;
1987 }
1988
1989 static int
1990 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1991 {
1992 static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
1993
1994 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1995 uinfo->count = 1;
1996 uinfo->value.enumerated.items = 4;
1997 if (uinfo->value.enumerated.item > 3) {
1998 uinfo->value.enumerated.item = 3;
1999 }
2000 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2001 return 0;
2002 }
2003 static int
2004 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2005 {
2006 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2007
2008 spin_lock_irq(&rme96->lock);
2009 ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2010 spin_unlock_irq(&rme96->lock);
2011 return 0;
2012 }
2013 static int
2014 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2015 {
2016 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2017 unsigned int val;
2018 int change;
2019
2020 val = ucontrol->value.enumerated.item[0] % 4;
2021 spin_lock_irq(&rme96->lock);
2022
2023 change = (int)val != snd_rme96_getattenuation(rme96);
2024 snd_rme96_setattenuation(rme96, val);
2025 spin_unlock_irq(&rme96->lock);
2026 return change;
2027 }
2028
2029 static int
2030 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2031 {
2032 static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2033
2034 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2035 uinfo->count = 1;
2036 uinfo->value.enumerated.items = 4;
2037 if (uinfo->value.enumerated.item > 3) {
2038 uinfo->value.enumerated.item = 3;
2039 }
2040 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2041 return 0;
2042 }
2043 static int
2044 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2045 {
2046 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2047
2048 spin_lock_irq(&rme96->lock);
2049 ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2050 spin_unlock_irq(&rme96->lock);
2051 return 0;
2052 }
2053 static int
2054 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2055 {
2056 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2057 unsigned int val;
2058 int change;
2059
2060 val = ucontrol->value.enumerated.item[0] % 4;
2061 spin_lock_irq(&rme96->lock);
2062 change = (int)val != snd_rme96_getmontracks(rme96);
2063 snd_rme96_setmontracks(rme96, val);
2064 spin_unlock_irq(&rme96->lock);
2065 return change;
2066 }
2067
2068 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2069 {
2070 u32 val = 0;
2071 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2072 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2073 if (val & RME96_WCR_PRO)
2074 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2075 else
2076 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2077 return val;
2078 }
2079
2080 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2081 {
2082 aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2083 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2084 if (val & RME96_WCR_PRO)
2085 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2086 else
2087 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2088 }
2089
2090 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2091 {
2092 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2093 uinfo->count = 1;
2094 return 0;
2095 }
2096
2097 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2098 {
2099 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2100
2101 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2102 return 0;
2103 }
2104
2105 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2106 {
2107 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2108 int change;
2109 u32 val;
2110
2111 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2112 spin_lock_irq(&rme96->lock);
2113 change = val != rme96->wcreg_spdif;
2114 rme96->wcreg_spdif = val;
2115 spin_unlock_irq(&rme96->lock);
2116 return change;
2117 }
2118
2119 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2120 {
2121 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2122 uinfo->count = 1;
2123 return 0;
2124 }
2125
2126 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2127 {
2128 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2129
2130 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2131 return 0;
2132 }
2133
2134 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2135 {
2136 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2137 int change;
2138 u32 val;
2139
2140 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2141 spin_lock_irq(&rme96->lock);
2142 change = val != rme96->wcreg_spdif_stream;
2143 rme96->wcreg_spdif_stream = val;
2144 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2145 rme96->wcreg |= val;
2146 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2147 spin_unlock_irq(&rme96->lock);
2148 return change;
2149 }
2150
2151 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2152 {
2153 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2154 uinfo->count = 1;
2155 return 0;
2156 }
2157
2158 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2159 {
2160 ucontrol->value.iec958.status[0] = kcontrol->private_value;
2161 return 0;
2162 }
2163
2164 static int
2165 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2166 {
2167 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2168
2169 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2170 uinfo->count = 2;
2171 uinfo->value.integer.min = 0;
2172 uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2173 return 0;
2174 }
2175
2176 static int
2177 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2178 {
2179 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2180
2181 spin_lock_irq(&rme96->lock);
2182 u->value.integer.value[0] = rme96->vol[0];
2183 u->value.integer.value[1] = rme96->vol[1];
2184 spin_unlock_irq(&rme96->lock);
2185
2186 return 0;
2187 }
2188
2189 static int
2190 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2191 {
2192 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2193 int change = 0;
2194 unsigned int vol, maxvol;
2195
2196
2197 if (!RME96_HAS_ANALOG_OUT(rme96))
2198 return -EINVAL;
2199 maxvol = RME96_185X_MAX_OUT(rme96);
2200 spin_lock_irq(&rme96->lock);
2201 vol = u->value.integer.value[0];
2202 if (vol != rme96->vol[0] && vol <= maxvol) {
2203 rme96->vol[0] = vol;
2204 change = 1;
2205 }
2206 vol = u->value.integer.value[1];
2207 if (vol != rme96->vol[1] && vol <= maxvol) {
2208 rme96->vol[1] = vol;
2209 change = 1;
2210 }
2211 if (change)
2212 snd_rme96_apply_dac_volume(rme96);
2213 spin_unlock_irq(&rme96->lock);
2214
2215 return change;
2216 }
2217
2218 static struct snd_kcontrol_new snd_rme96_controls[] = {
2219 {
2220 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2221 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2222 .info = snd_rme96_control_spdif_info,
2223 .get = snd_rme96_control_spdif_get,
2224 .put = snd_rme96_control_spdif_put
2225 },
2226 {
2227 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2228 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2229 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2230 .info = snd_rme96_control_spdif_stream_info,
2231 .get = snd_rme96_control_spdif_stream_get,
2232 .put = snd_rme96_control_spdif_stream_put
2233 },
2234 {
2235 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2236 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2237 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2238 .info = snd_rme96_control_spdif_mask_info,
2239 .get = snd_rme96_control_spdif_mask_get,
2240 .private_value = IEC958_AES0_NONAUDIO |
2241 IEC958_AES0_PROFESSIONAL |
2242 IEC958_AES0_CON_EMPHASIS
2243 },
2244 {
2245 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2246 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2247 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2248 .info = snd_rme96_control_spdif_mask_info,
2249 .get = snd_rme96_control_spdif_mask_get,
2250 .private_value = IEC958_AES0_NONAUDIO |
2251 IEC958_AES0_PROFESSIONAL |
2252 IEC958_AES0_PRO_EMPHASIS
2253 },
2254 {
2255 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2256 .name = "Input Connector",
2257 .info = snd_rme96_info_inputtype_control,
2258 .get = snd_rme96_get_inputtype_control,
2259 .put = snd_rme96_put_inputtype_control
2260 },
2261 {
2262 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2263 .name = "Loopback Input",
2264 .info = snd_rme96_info_loopback_control,
2265 .get = snd_rme96_get_loopback_control,
2266 .put = snd_rme96_put_loopback_control
2267 },
2268 {
2269 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2270 .name = "Sample Clock Source",
2271 .info = snd_rme96_info_clockmode_control,
2272 .get = snd_rme96_get_clockmode_control,
2273 .put = snd_rme96_put_clockmode_control
2274 },
2275 {
2276 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2277 .name = "Monitor Tracks",
2278 .info = snd_rme96_info_montracks_control,
2279 .get = snd_rme96_get_montracks_control,
2280 .put = snd_rme96_put_montracks_control
2281 },
2282 {
2283 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2284 .name = "Attenuation",
2285 .info = snd_rme96_info_attenuation_control,
2286 .get = snd_rme96_get_attenuation_control,
2287 .put = snd_rme96_put_attenuation_control
2288 },
2289 {
2290 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2291 .name = "DAC Playback Volume",
2292 .info = snd_rme96_dac_volume_info,
2293 .get = snd_rme96_dac_volume_get,
2294 .put = snd_rme96_dac_volume_put
2295 }
2296 };
2297
2298 static int
2299 snd_rme96_create_switches(struct snd_card *card,
2300 struct rme96 *rme96)
2301 {
2302 int idx, err;
2303 struct snd_kcontrol *kctl;
2304
2305 for (idx = 0; idx < 7; idx++) {
2306 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2307 return err;
2308 if (idx == 1) /* IEC958 (S/PDIF) Stream */
2309 rme96->spdif_ctl = kctl;
2310 }
2311
2312 if (RME96_HAS_ANALOG_OUT(rme96)) {
2313 for (idx = 7; idx < 10; idx++)
2314 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2315 return err;
2316 }
2317
2318 return 0;
2319 }
2320
2321 /*
2322 * Card initialisation
2323 */
2324
2325 static void snd_rme96_card_free(struct snd_card *card)
2326 {
2327 snd_rme96_free(card->private_data);
2328 }
2329
2330 static int __devinit
2331 snd_rme96_probe(struct pci_dev *pci,
2332 const struct pci_device_id *pci_id)
2333 {
2334 static int dev;
2335 struct rme96 *rme96;
2336 struct snd_card *card;
2337 int err;
2338 u8 val;
2339
2340 if (dev >= SNDRV_CARDS) {
2341 return -ENODEV;
2342 }
2343 if (!enable[dev]) {
2344 dev++;
2345 return -ENOENT;
2346 }
2347 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
2348 sizeof(struct rme96), &card);
2349 if (err < 0)
2350 return err;
2351 card->private_free = snd_rme96_card_free;
2352 rme96 = (struct rme96 *)card->private_data;
2353 rme96->card = card;
2354 rme96->pci = pci;
2355 snd_card_set_dev(card, &pci->dev);
2356 if ((err = snd_rme96_create(rme96)) < 0) {
2357 snd_card_free(card);
2358 return err;
2359 }
2360
2361 strcpy(card->driver, "Digi96");
2362 switch (rme96->pci->device) {
2363 case PCI_DEVICE_ID_RME_DIGI96:
2364 strcpy(card->shortname, "RME Digi96");
2365 break;
2366 case PCI_DEVICE_ID_RME_DIGI96_8:
2367 strcpy(card->shortname, "RME Digi96/8");
2368 break;
2369 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2370 strcpy(card->shortname, "RME Digi96/8 PRO");
2371 break;
2372 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2373 pci_read_config_byte(rme96->pci, 8, &val);
2374 if (val < 5) {
2375 strcpy(card->shortname, "RME Digi96/8 PAD");
2376 } else {
2377 strcpy(card->shortname, "RME Digi96/8 PST");
2378 }
2379 break;
2380 }
2381 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2382 rme96->port, rme96->irq);
2383
2384 if ((err = snd_card_register(card)) < 0) {
2385 snd_card_free(card);
2386 return err;
2387 }
2388 pci_set_drvdata(pci, card);
2389 dev++;
2390 return 0;
2391 }
2392
2393 static void __devexit snd_rme96_remove(struct pci_dev *pci)
2394 {
2395 snd_card_free(pci_get_drvdata(pci));
2396 pci_set_drvdata(pci, NULL);
2397 }
2398
2399 static struct pci_driver driver = {
2400 .name = "RME Digi96",
2401 .id_table = snd_rme96_ids,
2402 .probe = snd_rme96_probe,
2403 .remove = __devexit_p(snd_rme96_remove),
2404 };
2405
2406 static int __init alsa_card_rme96_init(void)
2407 {
2408 return pci_register_driver(&driver);
2409 }
2410
2411 static void __exit alsa_card_rme96_exit(void)
2412 {
2413 pci_unregister_driver(&driver);
2414 }
2415
2416 module_init(alsa_card_rme96_init)
2417 module_exit(alsa_card_rme96_exit)
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