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Staging: crystalhd: change GFP_ATOMIC to GFP_KERNEL
[linux-2.6.git] / sound / pci / rme96.c
blobd5f5b440fc40f3ea7024adefe33d88d45e0377a5
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/moduleparam.h>
31
32 #include <sound/core.h>
33 #include <sound/info.h>
34 #include <sound/control.h>
35 #include <sound/pcm.h>
36 #include <sound/pcm_params.h>
37 #include <sound/asoundef.h>
38 #include <sound/initval.h>
39
40 #include <asm/io.h>
41
42 /* note, two last pcis should be equal, it is not a bug */
43
44 MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
45 MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
46 "Digi96/8 PAD");
47 MODULE_LICENSE("GPL");
48 MODULE_SUPPORTED_DEVICE("{{RME,Digi96},"
49 "{RME,Digi96/8},"
50 "{RME,Digi96/8 PRO},"
51 "{RME,Digi96/8 PST},"
52 "{RME,Digi96/8 PAD}}");
53
54 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
55 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
56 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
57
58 module_param_array(index, int, NULL, 0444);
59 MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
60 module_param_array(id, charp, NULL, 0444);
61 MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
62 module_param_array(enable, bool, NULL, 0444);
63 MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
64
65 /*
66 * Defines for RME Digi96 series, from internal RME reference documents
67 * dated 12.01.00
68 */
69
70 #define RME96_SPDIF_NCHANNELS 2
71
72 /* Playback and capture buffer size */
73 #define RME96_BUFFER_SIZE 0x10000
74
75 /* IO area size */
76 #define RME96_IO_SIZE 0x60000
77
78 /* IO area offsets */
79 #define RME96_IO_PLAY_BUFFER 0x0
80 #define RME96_IO_REC_BUFFER 0x10000
81 #define RME96_IO_CONTROL_REGISTER 0x20000
82 #define RME96_IO_ADDITIONAL_REG 0x20004
83 #define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
84 #define RME96_IO_CONFIRM_REC_IRQ 0x2000C
85 #define RME96_IO_SET_PLAY_POS 0x40000
86 #define RME96_IO_RESET_PLAY_POS 0x4FFFC
87 #define RME96_IO_SET_REC_POS 0x50000
88 #define RME96_IO_RESET_REC_POS 0x5FFFC
89 #define RME96_IO_GET_PLAY_POS 0x20000
90 #define RME96_IO_GET_REC_POS 0x30000
91
92 /* Write control register bits */
93 #define RME96_WCR_START (1 << 0)
94 #define RME96_WCR_START_2 (1 << 1)
95 #define RME96_WCR_GAIN_0 (1 << 2)
96 #define RME96_WCR_GAIN_1 (1 << 3)
97 #define RME96_WCR_MODE24 (1 << 4)
98 #define RME96_WCR_MODE24_2 (1 << 5)
99 #define RME96_WCR_BM (1 << 6)
100 #define RME96_WCR_BM_2 (1 << 7)
101 #define RME96_WCR_ADAT (1 << 8)
102 #define RME96_WCR_FREQ_0 (1 << 9)
103 #define RME96_WCR_FREQ_1 (1 << 10)
104 #define RME96_WCR_DS (1 << 11)
105 #define RME96_WCR_PRO (1 << 12)
106 #define RME96_WCR_EMP (1 << 13)
107 #define RME96_WCR_SEL (1 << 14)
108 #define RME96_WCR_MASTER (1 << 15)
109 #define RME96_WCR_PD (1 << 16)
110 #define RME96_WCR_INP_0 (1 << 17)
111 #define RME96_WCR_INP_1 (1 << 18)
112 #define RME96_WCR_THRU_0 (1 << 19)
113 #define RME96_WCR_THRU_1 (1 << 20)
114 #define RME96_WCR_THRU_2 (1 << 21)
115 #define RME96_WCR_THRU_3 (1 << 22)
116 #define RME96_WCR_THRU_4 (1 << 23)
117 #define RME96_WCR_THRU_5 (1 << 24)
118 #define RME96_WCR_THRU_6 (1 << 25)
119 #define RME96_WCR_THRU_7 (1 << 26)
120 #define RME96_WCR_DOLBY (1 << 27)
121 #define RME96_WCR_MONITOR_0 (1 << 28)
122 #define RME96_WCR_MONITOR_1 (1 << 29)
123 #define RME96_WCR_ISEL (1 << 30)
124 #define RME96_WCR_IDIS (1 << 31)
125
126 #define RME96_WCR_BITPOS_GAIN_0 2
127 #define RME96_WCR_BITPOS_GAIN_1 3
128 #define RME96_WCR_BITPOS_FREQ_0 9
129 #define RME96_WCR_BITPOS_FREQ_1 10
130 #define RME96_WCR_BITPOS_INP_0 17
131 #define RME96_WCR_BITPOS_INP_1 18
132 #define RME96_WCR_BITPOS_MONITOR_0 28
133 #define RME96_WCR_BITPOS_MONITOR_1 29
134
135 /* Read control register bits */
136 #define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
137 #define RME96_RCR_IRQ_2 (1 << 16)
138 #define RME96_RCR_T_OUT (1 << 17)
139 #define RME96_RCR_DEV_ID_0 (1 << 21)
140 #define RME96_RCR_DEV_ID_1 (1 << 22)
141 #define RME96_RCR_LOCK (1 << 23)
142 #define RME96_RCR_VERF (1 << 26)
143 #define RME96_RCR_F0 (1 << 27)
144 #define RME96_RCR_F1 (1 << 28)
145 #define RME96_RCR_F2 (1 << 29)
146 #define RME96_RCR_AUTOSYNC (1 << 30)
147 #define RME96_RCR_IRQ (1 << 31)
148
149 #define RME96_RCR_BITPOS_F0 27
150 #define RME96_RCR_BITPOS_F1 28
151 #define RME96_RCR_BITPOS_F2 29
152
153 /* Additonal register bits */
154 #define RME96_AR_WSEL (1 << 0)
155 #define RME96_AR_ANALOG (1 << 1)
156 #define RME96_AR_FREQPAD_0 (1 << 2)
157 #define RME96_AR_FREQPAD_1 (1 << 3)
158 #define RME96_AR_FREQPAD_2 (1 << 4)
159 #define RME96_AR_PD2 (1 << 5)
160 #define RME96_AR_DAC_EN (1 << 6)
161 #define RME96_AR_CLATCH (1 << 7)
162 #define RME96_AR_CCLK (1 << 8)
163 #define RME96_AR_CDATA (1 << 9)
164
165 #define RME96_AR_BITPOS_F0 2
166 #define RME96_AR_BITPOS_F1 3
167 #define RME96_AR_BITPOS_F2 4
168
169 /* Monitor tracks */
170 #define RME96_MONITOR_TRACKS_1_2 0
171 #define RME96_MONITOR_TRACKS_3_4 1
172 #define RME96_MONITOR_TRACKS_5_6 2
173 #define RME96_MONITOR_TRACKS_7_8 3
174
175 /* Attenuation */
176 #define RME96_ATTENUATION_0 0
177 #define RME96_ATTENUATION_6 1
178 #define RME96_ATTENUATION_12 2
179 #define RME96_ATTENUATION_18 3
180
181 /* Input types */
182 #define RME96_INPUT_OPTICAL 0
183 #define RME96_INPUT_COAXIAL 1
184 #define RME96_INPUT_INTERNAL 2
185 #define RME96_INPUT_XLR 3
186 #define RME96_INPUT_ANALOG 4
187
188 /* Clock modes */
189 #define RME96_CLOCKMODE_SLAVE 0
190 #define RME96_CLOCKMODE_MASTER 1
191 #define RME96_CLOCKMODE_WORDCLOCK 2
192
193 /* Block sizes in bytes */
194 #define RME96_SMALL_BLOCK_SIZE 2048
195 #define RME96_LARGE_BLOCK_SIZE 8192
196
197 /* Volume control */
198 #define RME96_AD1852_VOL_BITS 14
199 #define RME96_AD1855_VOL_BITS 10
200
201
202 struct rme96 {
203 spinlock_t lock;
204 int irq;
205 unsigned long port;
206 void __iomem *iobase;
207
208 u32 wcreg; /* cached write control register value */
209 u32 wcreg_spdif; /* S/PDIF setup */
210 u32 wcreg_spdif_stream; /* S/PDIF setup (temporary) */
211 u32 rcreg; /* cached read control register value */
212 u32 areg; /* cached additional register value */
213 u16 vol[2]; /* cached volume of analog output */
214
215 u8 rev; /* card revision number */
216
217 struct snd_pcm_substream *playback_substream;
218 struct snd_pcm_substream *capture_substream;
219
220 int playback_frlog; /* log2 of framesize */
221 int capture_frlog;
222
223 size_t playback_periodsize; /* in bytes, zero if not used */
224 size_t capture_periodsize; /* in bytes, zero if not used */
225
226 struct snd_card *card;
227 struct snd_pcm *spdif_pcm;
228 struct snd_pcm *adat_pcm;
229 struct pci_dev *pci;
230 struct snd_kcontrol *spdif_ctl;
231 };
232
233 static DEFINE_PCI_DEVICE_TABLE(snd_rme96_ids) = {
234 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
235 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
236 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
237 { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
238 { 0, }
239 };
240
241 MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
242
243 #define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
244 #define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
245 #define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
246 #define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
247 (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
248 #define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
249 #define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
250 ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
251 #define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
252
253 static int
254 snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
255
256 static int
257 snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
258
259 static int
260 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
261 int cmd);
262
263 static int
264 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
265 int cmd);
266
267 static snd_pcm_uframes_t
268 snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
269
270 static snd_pcm_uframes_t
271 snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
272
273 static void __devinit
274 snd_rme96_proc_init(struct rme96 *rme96);
275
276 static int
277 snd_rme96_create_switches(struct snd_card *card,
278 struct rme96 *rme96);
279
280 static int
281 snd_rme96_getinputtype(struct rme96 *rme96);
282
283 static inline unsigned int
284 snd_rme96_playback_ptr(struct rme96 *rme96)
285 {
286 return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
287 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
288 }
289
290 static inline unsigned int
291 snd_rme96_capture_ptr(struct rme96 *rme96)
292 {
293 return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
294 & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
295 }
296
297 static int
298 snd_rme96_playback_silence(struct snd_pcm_substream *substream,
299 int channel, /* not used (interleaved data) */
300 snd_pcm_uframes_t pos,
301 snd_pcm_uframes_t count)
302 {
303 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
304 count <<= rme96->playback_frlog;
305 pos <<= rme96->playback_frlog;
306 memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
307 0, count);
308 return 0;
309 }
310
311 static int
312 snd_rme96_playback_copy(struct snd_pcm_substream *substream,
313 int channel, /* not used (interleaved data) */
314 snd_pcm_uframes_t pos,
315 void __user *src,
316 snd_pcm_uframes_t count)
317 {
318 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
319 count <<= rme96->playback_frlog;
320 pos <<= rme96->playback_frlog;
321 copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src,
322 count);
323 return 0;
324 }
325
326 static int
327 snd_rme96_capture_copy(struct snd_pcm_substream *substream,
328 int channel, /* not used (interleaved data) */
329 snd_pcm_uframes_t pos,
330 void __user *dst,
331 snd_pcm_uframes_t count)
332 {
333 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
334 count <<= rme96->capture_frlog;
335 pos <<= rme96->capture_frlog;
336 copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos,
337 count);
338 return 0;
339 }
340
341 /*
342 * Digital output capabilities (S/PDIF)
343 */
344 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
345 {
346 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
347 SNDRV_PCM_INFO_MMAP_VALID |
348 SNDRV_PCM_INFO_INTERLEAVED |
349 SNDRV_PCM_INFO_PAUSE),
350 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
351 SNDRV_PCM_FMTBIT_S32_LE),
352 .rates = (SNDRV_PCM_RATE_32000 |
353 SNDRV_PCM_RATE_44100 |
354 SNDRV_PCM_RATE_48000 |
355 SNDRV_PCM_RATE_64000 |
356 SNDRV_PCM_RATE_88200 |
357 SNDRV_PCM_RATE_96000),
358 .rate_min = 32000,
359 .rate_max = 96000,
360 .channels_min = 2,
361 .channels_max = 2,
362 .buffer_bytes_max = RME96_BUFFER_SIZE,
363 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
364 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
365 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
366 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
367 .fifo_size = 0,
368 };
369
370 /*
371 * Digital input capabilities (S/PDIF)
372 */
373 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
374 {
375 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
376 SNDRV_PCM_INFO_MMAP_VALID |
377 SNDRV_PCM_INFO_INTERLEAVED |
378 SNDRV_PCM_INFO_PAUSE),
379 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
380 SNDRV_PCM_FMTBIT_S32_LE),
381 .rates = (SNDRV_PCM_RATE_32000 |
382 SNDRV_PCM_RATE_44100 |
383 SNDRV_PCM_RATE_48000 |
384 SNDRV_PCM_RATE_64000 |
385 SNDRV_PCM_RATE_88200 |
386 SNDRV_PCM_RATE_96000),
387 .rate_min = 32000,
388 .rate_max = 96000,
389 .channels_min = 2,
390 .channels_max = 2,
391 .buffer_bytes_max = RME96_BUFFER_SIZE,
392 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
393 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
394 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
395 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
396 .fifo_size = 0,
397 };
398
399 /*
400 * Digital output capabilities (ADAT)
401 */
402 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
403 {
404 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
405 SNDRV_PCM_INFO_MMAP_VALID |
406 SNDRV_PCM_INFO_INTERLEAVED |
407 SNDRV_PCM_INFO_PAUSE),
408 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
409 SNDRV_PCM_FMTBIT_S32_LE),
410 .rates = (SNDRV_PCM_RATE_44100 |
411 SNDRV_PCM_RATE_48000),
412 .rate_min = 44100,
413 .rate_max = 48000,
414 .channels_min = 8,
415 .channels_max = 8,
416 .buffer_bytes_max = RME96_BUFFER_SIZE,
417 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
418 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
419 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
420 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
421 .fifo_size = 0,
422 };
423
424 /*
425 * Digital input capabilities (ADAT)
426 */
427 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
428 {
429 .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
430 SNDRV_PCM_INFO_MMAP_VALID |
431 SNDRV_PCM_INFO_INTERLEAVED |
432 SNDRV_PCM_INFO_PAUSE),
433 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
434 SNDRV_PCM_FMTBIT_S32_LE),
435 .rates = (SNDRV_PCM_RATE_44100 |
436 SNDRV_PCM_RATE_48000),
437 .rate_min = 44100,
438 .rate_max = 48000,
439 .channels_min = 8,
440 .channels_max = 8,
441 .buffer_bytes_max = RME96_BUFFER_SIZE,
442 .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
443 .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
444 .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
445 .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
446 .fifo_size = 0,
447 };
448
449 /*
450 * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
451 * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
452 * on the falling edge of CCLK and be stable on the rising edge. The rising
453 * edge of CLATCH after the last data bit clocks in the whole data word.
454 * A fast processor could probably drive the SPI interface faster than the
455 * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
456 * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
457 *
458 * NOTE: increased delay from 1 to 10, since there where problems setting
459 * the volume.
460 */
461 static void
462 snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
463 {
464 int i;
465
466 for (i = 0; i < 16; i++) {
467 if (val & 0x8000) {
468 rme96->areg |= RME96_AR_CDATA;
469 } else {
470 rme96->areg &= ~RME96_AR_CDATA;
471 }
472 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
473 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
474 udelay(10);
475 rme96->areg |= RME96_AR_CCLK;
476 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
477 udelay(10);
478 val <<= 1;
479 }
480 rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
481 rme96->areg |= RME96_AR_CLATCH;
482 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
483 udelay(10);
484 rme96->areg &= ~RME96_AR_CLATCH;
485 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
486 }
487
488 static void
489 snd_rme96_apply_dac_volume(struct rme96 *rme96)
490 {
491 if (RME96_DAC_IS_1852(rme96)) {
492 snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
493 snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
494 } else if (RME96_DAC_IS_1855(rme96)) {
495 snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
496 snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
497 }
498 }
499
500 static void
501 snd_rme96_reset_dac(struct rme96 *rme96)
502 {
503 writel(rme96->wcreg | RME96_WCR_PD,
504 rme96->iobase + RME96_IO_CONTROL_REGISTER);
505 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
506 }
507
508 static int
509 snd_rme96_getmontracks(struct rme96 *rme96)
510 {
511 return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
512 (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
513 }
514
515 static int
516 snd_rme96_setmontracks(struct rme96 *rme96,
517 int montracks)
518 {
519 if (montracks & 1) {
520 rme96->wcreg |= RME96_WCR_MONITOR_0;
521 } else {
522 rme96->wcreg &= ~RME96_WCR_MONITOR_0;
523 }
524 if (montracks & 2) {
525 rme96->wcreg |= RME96_WCR_MONITOR_1;
526 } else {
527 rme96->wcreg &= ~RME96_WCR_MONITOR_1;
528 }
529 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
530 return 0;
531 }
532
533 static int
534 snd_rme96_getattenuation(struct rme96 *rme96)
535 {
536 return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
537 (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
538 }
539
540 static int
541 snd_rme96_setattenuation(struct rme96 *rme96,
542 int attenuation)
543 {
544 switch (attenuation) {
545 case 0:
546 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
547 ~RME96_WCR_GAIN_1;
548 break;
549 case 1:
550 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
551 ~RME96_WCR_GAIN_1;
552 break;
553 case 2:
554 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
555 RME96_WCR_GAIN_1;
556 break;
557 case 3:
558 rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
559 RME96_WCR_GAIN_1;
560 break;
561 default:
562 return -EINVAL;
563 }
564 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
565 return 0;
566 }
567
568 static int
569 snd_rme96_capture_getrate(struct rme96 *rme96,
570 int *is_adat)
571 {
572 int n, rate;
573
574 *is_adat = 0;
575 if (rme96->areg & RME96_AR_ANALOG) {
576 /* Analog input, overrides S/PDIF setting */
577 n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
578 (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
579 switch (n) {
580 case 1:
581 rate = 32000;
582 break;
583 case 2:
584 rate = 44100;
585 break;
586 case 3:
587 rate = 48000;
588 break;
589 default:
590 return -1;
591 }
592 return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
593 }
594
595 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
596 if (rme96->rcreg & RME96_RCR_LOCK) {
597 /* ADAT rate */
598 *is_adat = 1;
599 if (rme96->rcreg & RME96_RCR_T_OUT) {
600 return 48000;
601 }
602 return 44100;
603 }
604
605 if (rme96->rcreg & RME96_RCR_VERF) {
606 return -1;
607 }
608
609 /* S/PDIF rate */
610 n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
611 (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
612 (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
613
614 switch (n) {
615 case 0:
616 if (rme96->rcreg & RME96_RCR_T_OUT) {
617 return 64000;
618 }
619 return -1;
620 case 3: return 96000;
621 case 4: return 88200;
622 case 5: return 48000;
623 case 6: return 44100;
624 case 7: return 32000;
625 default:
626 break;
627 }
628 return -1;
629 }
630
631 static int
632 snd_rme96_playback_getrate(struct rme96 *rme96)
633 {
634 int rate, dummy;
635
636 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
637 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
638 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
639 {
640 /* slave clock */
641 return rate;
642 }
643 rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
644 (((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_1) & 1) << 1);
645 switch (rate) {
646 case 1:
647 rate = 32000;
648 break;
649 case 2:
650 rate = 44100;
651 break;
652 case 3:
653 rate = 48000;
654 break;
655 default:
656 return -1;
657 }
658 return (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
659 }
660
661 static int
662 snd_rme96_playback_setrate(struct rme96 *rme96,
663 int rate)
664 {
665 int ds;
666
667 ds = rme96->wcreg & RME96_WCR_DS;
668 switch (rate) {
669 case 32000:
670 rme96->wcreg &= ~RME96_WCR_DS;
671 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
672 ~RME96_WCR_FREQ_1;
673 break;
674 case 44100:
675 rme96->wcreg &= ~RME96_WCR_DS;
676 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
677 ~RME96_WCR_FREQ_0;
678 break;
679 case 48000:
680 rme96->wcreg &= ~RME96_WCR_DS;
681 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
682 RME96_WCR_FREQ_1;
683 break;
684 case 64000:
685 rme96->wcreg |= RME96_WCR_DS;
686 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
687 ~RME96_WCR_FREQ_1;
688 break;
689 case 88200:
690 rme96->wcreg |= RME96_WCR_DS;
691 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
692 ~RME96_WCR_FREQ_0;
693 break;
694 case 96000:
695 rme96->wcreg |= RME96_WCR_DS;
696 rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
697 RME96_WCR_FREQ_1;
698 break;
699 default:
700 return -EINVAL;
701 }
702 if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
703 (ds && !(rme96->wcreg & RME96_WCR_DS)))
704 {
705 /* change to/from double-speed: reset the DAC (if available) */
706 snd_rme96_reset_dac(rme96);
707 } else {
708 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
709 }
710 return 0;
711 }
712
713 static int
714 snd_rme96_capture_analog_setrate(struct rme96 *rme96,
715 int rate)
716 {
717 switch (rate) {
718 case 32000:
719 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
720 ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
721 break;
722 case 44100:
723 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
724 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
725 break;
726 case 48000:
727 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
728 RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
729 break;
730 case 64000:
731 if (rme96->rev < 4) {
732 return -EINVAL;
733 }
734 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
735 ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
736 break;
737 case 88200:
738 if (rme96->rev < 4) {
739 return -EINVAL;
740 }
741 rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
742 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
743 break;
744 case 96000:
745 rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
746 RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
747 break;
748 default:
749 return -EINVAL;
750 }
751 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
752 return 0;
753 }
754
755 static int
756 snd_rme96_setclockmode(struct rme96 *rme96,
757 int mode)
758 {
759 switch (mode) {
760 case RME96_CLOCKMODE_SLAVE:
761 /* AutoSync */
762 rme96->wcreg &= ~RME96_WCR_MASTER;
763 rme96->areg &= ~RME96_AR_WSEL;
764 break;
765 case RME96_CLOCKMODE_MASTER:
766 /* Internal */
767 rme96->wcreg |= RME96_WCR_MASTER;
768 rme96->areg &= ~RME96_AR_WSEL;
769 break;
770 case RME96_CLOCKMODE_WORDCLOCK:
771 /* Word clock is a master mode */
772 rme96->wcreg |= RME96_WCR_MASTER;
773 rme96->areg |= RME96_AR_WSEL;
774 break;
775 default:
776 return -EINVAL;
777 }
778 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
779 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
780 return 0;
781 }
782
783 static int
784 snd_rme96_getclockmode(struct rme96 *rme96)
785 {
786 if (rme96->areg & RME96_AR_WSEL) {
787 return RME96_CLOCKMODE_WORDCLOCK;
788 }
789 return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
790 RME96_CLOCKMODE_SLAVE;
791 }
792
793 static int
794 snd_rme96_setinputtype(struct rme96 *rme96,
795 int type)
796 {
797 int n;
798
799 switch (type) {
800 case RME96_INPUT_OPTICAL:
801 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
802 ~RME96_WCR_INP_1;
803 break;
804 case RME96_INPUT_COAXIAL:
805 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
806 ~RME96_WCR_INP_1;
807 break;
808 case RME96_INPUT_INTERNAL:
809 rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
810 RME96_WCR_INP_1;
811 break;
812 case RME96_INPUT_XLR:
813 if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
814 rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
815 (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
816 rme96->rev > 4))
817 {
818 /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
819 return -EINVAL;
820 }
821 rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
822 RME96_WCR_INP_1;
823 break;
824 case RME96_INPUT_ANALOG:
825 if (!RME96_HAS_ANALOG_IN(rme96)) {
826 return -EINVAL;
827 }
828 rme96->areg |= RME96_AR_ANALOG;
829 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
830 if (rme96->rev < 4) {
831 /*
832 * Revision less than 004 does not support 64 and
833 * 88.2 kHz
834 */
835 if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
836 snd_rme96_capture_analog_setrate(rme96, 44100);
837 }
838 if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
839 snd_rme96_capture_analog_setrate(rme96, 32000);
840 }
841 }
842 return 0;
843 default:
844 return -EINVAL;
845 }
846 if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
847 rme96->areg &= ~RME96_AR_ANALOG;
848 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
849 }
850 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
851 return 0;
852 }
853
854 static int
855 snd_rme96_getinputtype(struct rme96 *rme96)
856 {
857 if (rme96->areg & RME96_AR_ANALOG) {
858 return RME96_INPUT_ANALOG;
859 }
860 return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
861 (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
862 }
863
864 static void
865 snd_rme96_setframelog(struct rme96 *rme96,
866 int n_channels,
867 int is_playback)
868 {
869 int frlog;
870
871 if (n_channels == 2) {
872 frlog = 1;
873 } else {
874 /* assume 8 channels */
875 frlog = 3;
876 }
877 if (is_playback) {
878 frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
879 rme96->playback_frlog = frlog;
880 } else {
881 frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
882 rme96->capture_frlog = frlog;
883 }
884 }
885
886 static int
887 snd_rme96_playback_setformat(struct rme96 *rme96,
888 int format)
889 {
890 switch (format) {
891 case SNDRV_PCM_FORMAT_S16_LE:
892 rme96->wcreg &= ~RME96_WCR_MODE24;
893 break;
894 case SNDRV_PCM_FORMAT_S32_LE:
895 rme96->wcreg |= RME96_WCR_MODE24;
896 break;
897 default:
898 return -EINVAL;
899 }
900 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
901 return 0;
902 }
903
904 static int
905 snd_rme96_capture_setformat(struct rme96 *rme96,
906 int format)
907 {
908 switch (format) {
909 case SNDRV_PCM_FORMAT_S16_LE:
910 rme96->wcreg &= ~RME96_WCR_MODE24_2;
911 break;
912 case SNDRV_PCM_FORMAT_S32_LE:
913 rme96->wcreg |= RME96_WCR_MODE24_2;
914 break;
915 default:
916 return -EINVAL;
917 }
918 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
919 return 0;
920 }
921
922 static void
923 snd_rme96_set_period_properties(struct rme96 *rme96,
924 size_t period_bytes)
925 {
926 switch (period_bytes) {
927 case RME96_LARGE_BLOCK_SIZE:
928 rme96->wcreg &= ~RME96_WCR_ISEL;
929 break;
930 case RME96_SMALL_BLOCK_SIZE:
931 rme96->wcreg |= RME96_WCR_ISEL;
932 break;
933 default:
934 snd_BUG();
935 break;
936 }
937 rme96->wcreg &= ~RME96_WCR_IDIS;
938 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
939 }
940
941 static int
942 snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
943 struct snd_pcm_hw_params *params)
944 {
945 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
946 struct snd_pcm_runtime *runtime = substream->runtime;
947 int err, rate, dummy;
948
949 runtime->dma_area = (void __force *)(rme96->iobase +
950 RME96_IO_PLAY_BUFFER);
951 runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
952 runtime->dma_bytes = RME96_BUFFER_SIZE;
953
954 spin_lock_irq(&rme96->lock);
955 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
956 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
957 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
958 {
959 /* slave clock */
960 if ((int)params_rate(params) != rate) {
961 spin_unlock_irq(&rme96->lock);
962 return -EIO;
963 }
964 } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
965 spin_unlock_irq(&rme96->lock);
966 return err;
967 }
968 if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
969 spin_unlock_irq(&rme96->lock);
970 return err;
971 }
972 snd_rme96_setframelog(rme96, params_channels(params), 1);
973 if (rme96->capture_periodsize != 0) {
974 if (params_period_size(params) << rme96->playback_frlog !=
975 rme96->capture_periodsize)
976 {
977 spin_unlock_irq(&rme96->lock);
978 return -EBUSY;
979 }
980 }
981 rme96->playback_periodsize =
982 params_period_size(params) << rme96->playback_frlog;
983 snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
984 /* S/PDIF setup */
985 if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
986 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
987 writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
988 }
989 spin_unlock_irq(&rme96->lock);
990
991 return 0;
992 }
993
994 static int
995 snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
996 struct snd_pcm_hw_params *params)
997 {
998 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
999 struct snd_pcm_runtime *runtime = substream->runtime;
1000 int err, isadat, rate;
1001
1002 runtime->dma_area = (void __force *)(rme96->iobase +
1003 RME96_IO_REC_BUFFER);
1004 runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
1005 runtime->dma_bytes = RME96_BUFFER_SIZE;
1006
1007 spin_lock_irq(&rme96->lock);
1008 if ((err = snd_rme96_capture_setformat(rme96, params_format(params))) < 0) {
1009 spin_unlock_irq(&rme96->lock);
1010 return err;
1011 }
1012 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1013 if ((err = snd_rme96_capture_analog_setrate(rme96,
1014 params_rate(params))) < 0)
1015 {
1016 spin_unlock_irq(&rme96->lock);
1017 return err;
1018 }
1019 } else if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1020 if ((int)params_rate(params) != rate) {
1021 spin_unlock_irq(&rme96->lock);
1022 return -EIO;
1023 }
1024 if ((isadat && runtime->hw.channels_min == 2) ||
1025 (!isadat && runtime->hw.channels_min == 8))
1026 {
1027 spin_unlock_irq(&rme96->lock);
1028 return -EIO;
1029 }
1030 }
1031 snd_rme96_setframelog(rme96, params_channels(params), 0);
1032 if (rme96->playback_periodsize != 0) {
1033 if (params_period_size(params) << rme96->capture_frlog !=
1034 rme96->playback_periodsize)
1035 {
1036 spin_unlock_irq(&rme96->lock);
1037 return -EBUSY;
1038 }
1039 }
1040 rme96->capture_periodsize =
1041 params_period_size(params) << rme96->capture_frlog;
1042 snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
1043 spin_unlock_irq(&rme96->lock);
1044
1045 return 0;
1046 }
1047
1048 static void
1049 snd_rme96_playback_start(struct rme96 *rme96,
1050 int from_pause)
1051 {
1052 if (!from_pause) {
1053 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1054 }
1055
1056 rme96->wcreg |= RME96_WCR_START;
1057 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1058 }
1059
1060 static void
1061 snd_rme96_capture_start(struct rme96 *rme96,
1062 int from_pause)
1063 {
1064 if (!from_pause) {
1065 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1066 }
1067
1068 rme96->wcreg |= RME96_WCR_START_2;
1069 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1070 }
1071
1072 static void
1073 snd_rme96_playback_stop(struct rme96 *rme96)
1074 {
1075 /*
1076 * Check if there is an unconfirmed IRQ, if so confirm it, or else
1077 * the hardware will not stop generating interrupts
1078 */
1079 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1080 if (rme96->rcreg & RME96_RCR_IRQ) {
1081 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1082 }
1083 rme96->wcreg &= ~RME96_WCR_START;
1084 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1085 }
1086
1087 static void
1088 snd_rme96_capture_stop(struct rme96 *rme96)
1089 {
1090 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1091 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1092 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1093 }
1094 rme96->wcreg &= ~RME96_WCR_START_2;
1095 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1096 }
1097
1098 static irqreturn_t
1099 snd_rme96_interrupt(int irq,
1100 void *dev_id)
1101 {
1102 struct rme96 *rme96 = (struct rme96 *)dev_id;
1103
1104 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1105 /* fastpath out, to ease interrupt sharing */
1106 if (!((rme96->rcreg & RME96_RCR_IRQ) ||
1107 (rme96->rcreg & RME96_RCR_IRQ_2)))
1108 {
1109 return IRQ_NONE;
1110 }
1111
1112 if (rme96->rcreg & RME96_RCR_IRQ) {
1113 /* playback */
1114 snd_pcm_period_elapsed(rme96->playback_substream);
1115 writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
1116 }
1117 if (rme96->rcreg & RME96_RCR_IRQ_2) {
1118 /* capture */
1119 snd_pcm_period_elapsed(rme96->capture_substream);
1120 writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
1121 }
1122 return IRQ_HANDLED;
1123 }
1124
1125 static unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_BLOCK_SIZE };
1126
1127 static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
1128 .count = ARRAY_SIZE(period_bytes),
1129 .list = period_bytes,
1130 .mask = 0
1131 };
1132
1133 static void
1134 rme96_set_buffer_size_constraint(struct rme96 *rme96,
1135 struct snd_pcm_runtime *runtime)
1136 {
1137 unsigned int size;
1138
1139 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1140 RME96_BUFFER_SIZE, RME96_BUFFER_SIZE);
1141 if ((size = rme96->playback_periodsize) != 0 ||
1142 (size = rme96->capture_periodsize) != 0)
1143 snd_pcm_hw_constraint_minmax(runtime,
1144 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1145 size, size);
1146 else
1147 snd_pcm_hw_constraint_list(runtime, 0,
1148 SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1149 &hw_constraints_period_bytes);
1150 }
1151
1152 static int
1153 snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
1154 {
1155 int rate, dummy;
1156 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1157 struct snd_pcm_runtime *runtime = substream->runtime;
1158
1159 spin_lock_irq(&rme96->lock);
1160 if (rme96->playback_substream != NULL) {
1161 spin_unlock_irq(&rme96->lock);
1162 return -EBUSY;
1163 }
1164 rme96->wcreg &= ~RME96_WCR_ADAT;
1165 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1166 rme96->playback_substream = substream;
1167 spin_unlock_irq(&rme96->lock);
1168
1169 runtime->hw = snd_rme96_playback_spdif_info;
1170 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1171 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1172 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1173 {
1174 /* slave clock */
1175 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1176 runtime->hw.rate_min = rate;
1177 runtime->hw.rate_max = rate;
1178 }
1179 rme96_set_buffer_size_constraint(rme96, runtime);
1180
1181 rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
1182 rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1183 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1184 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1185 return 0;
1186 }
1187
1188 static int
1189 snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
1190 {
1191 int isadat, rate;
1192 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1193 struct snd_pcm_runtime *runtime = substream->runtime;
1194
1195 runtime->hw = snd_rme96_capture_spdif_info;
1196 if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1197 (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0)
1198 {
1199 if (isadat) {
1200 return -EIO;
1201 }
1202 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1203 runtime->hw.rate_min = rate;
1204 runtime->hw.rate_max = rate;
1205 }
1206
1207 spin_lock_irq(&rme96->lock);
1208 if (rme96->capture_substream != NULL) {
1209 spin_unlock_irq(&rme96->lock);
1210 return -EBUSY;
1211 }
1212 rme96->capture_substream = substream;
1213 spin_unlock_irq(&rme96->lock);
1214
1215 rme96_set_buffer_size_constraint(rme96, runtime);
1216 return 0;
1217 }
1218
1219 static int
1220 snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
1221 {
1222 int rate, dummy;
1223 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1224 struct snd_pcm_runtime *runtime = substream->runtime;
1225
1226 spin_lock_irq(&rme96->lock);
1227 if (rme96->playback_substream != NULL) {
1228 spin_unlock_irq(&rme96->lock);
1229 return -EBUSY;
1230 }
1231 rme96->wcreg |= RME96_WCR_ADAT;
1232 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1233 rme96->playback_substream = substream;
1234 spin_unlock_irq(&rme96->lock);
1235
1236 runtime->hw = snd_rme96_playback_adat_info;
1237 if (!(rme96->wcreg & RME96_WCR_MASTER) &&
1238 snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG &&
1239 (rate = snd_rme96_capture_getrate(rme96, &dummy)) > 0)
1240 {
1241 /* slave clock */
1242 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1243 runtime->hw.rate_min = rate;
1244 runtime->hw.rate_max = rate;
1245 }
1246 rme96_set_buffer_size_constraint(rme96, runtime);
1247 return 0;
1248 }
1249
1250 static int
1251 snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
1252 {
1253 int isadat, rate;
1254 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1255 struct snd_pcm_runtime *runtime = substream->runtime;
1256
1257 runtime->hw = snd_rme96_capture_adat_info;
1258 if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1259 /* makes no sense to use analog input. Note that analog
1260 expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
1261 return -EIO;
1262 }
1263 if ((rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) {
1264 if (!isadat) {
1265 return -EIO;
1266 }
1267 runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
1268 runtime->hw.rate_min = rate;
1269 runtime->hw.rate_max = rate;
1270 }
1271
1272 spin_lock_irq(&rme96->lock);
1273 if (rme96->capture_substream != NULL) {
1274 spin_unlock_irq(&rme96->lock);
1275 return -EBUSY;
1276 }
1277 rme96->capture_substream = substream;
1278 spin_unlock_irq(&rme96->lock);
1279
1280 rme96_set_buffer_size_constraint(rme96, runtime);
1281 return 0;
1282 }
1283
1284 static int
1285 snd_rme96_playback_close(struct snd_pcm_substream *substream)
1286 {
1287 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1288 int spdif = 0;
1289
1290 spin_lock_irq(&rme96->lock);
1291 if (RME96_ISPLAYING(rme96)) {
1292 snd_rme96_playback_stop(rme96);
1293 }
1294 rme96->playback_substream = NULL;
1295 rme96->playback_periodsize = 0;
1296 spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
1297 spin_unlock_irq(&rme96->lock);
1298 if (spdif) {
1299 rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1300 snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
1301 SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
1302 }
1303 return 0;
1304 }
1305
1306 static int
1307 snd_rme96_capture_close(struct snd_pcm_substream *substream)
1308 {
1309 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1310
1311 spin_lock_irq(&rme96->lock);
1312 if (RME96_ISRECORDING(rme96)) {
1313 snd_rme96_capture_stop(rme96);
1314 }
1315 rme96->capture_substream = NULL;
1316 rme96->capture_periodsize = 0;
1317 spin_unlock_irq(&rme96->lock);
1318 return 0;
1319 }
1320
1321 static int
1322 snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
1323 {
1324 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1325
1326 spin_lock_irq(&rme96->lock);
1327 if (RME96_ISPLAYING(rme96)) {
1328 snd_rme96_playback_stop(rme96);
1329 }
1330 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1331 spin_unlock_irq(&rme96->lock);
1332 return 0;
1333 }
1334
1335 static int
1336 snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
1337 {
1338 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1339
1340 spin_lock_irq(&rme96->lock);
1341 if (RME96_ISRECORDING(rme96)) {
1342 snd_rme96_capture_stop(rme96);
1343 }
1344 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1345 spin_unlock_irq(&rme96->lock);
1346 return 0;
1347 }
1348
1349 static int
1350 snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
1351 int cmd)
1352 {
1353 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1354
1355 switch (cmd) {
1356 case SNDRV_PCM_TRIGGER_START:
1357 if (!RME96_ISPLAYING(rme96)) {
1358 if (substream != rme96->playback_substream) {
1359 return -EBUSY;
1360 }
1361 snd_rme96_playback_start(rme96, 0);
1362 }
1363 break;
1364
1365 case SNDRV_PCM_TRIGGER_STOP:
1366 if (RME96_ISPLAYING(rme96)) {
1367 if (substream != rme96->playback_substream) {
1368 return -EBUSY;
1369 }
1370 snd_rme96_playback_stop(rme96);
1371 }
1372 break;
1373
1374 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1375 if (RME96_ISPLAYING(rme96)) {
1376 snd_rme96_playback_stop(rme96);
1377 }
1378 break;
1379
1380 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1381 if (!RME96_ISPLAYING(rme96)) {
1382 snd_rme96_playback_start(rme96, 1);
1383 }
1384 break;
1385
1386 default:
1387 return -EINVAL;
1388 }
1389 return 0;
1390 }
1391
1392 static int
1393 snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
1394 int cmd)
1395 {
1396 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1397
1398 switch (cmd) {
1399 case SNDRV_PCM_TRIGGER_START:
1400 if (!RME96_ISRECORDING(rme96)) {
1401 if (substream != rme96->capture_substream) {
1402 return -EBUSY;
1403 }
1404 snd_rme96_capture_start(rme96, 0);
1405 }
1406 break;
1407
1408 case SNDRV_PCM_TRIGGER_STOP:
1409 if (RME96_ISRECORDING(rme96)) {
1410 if (substream != rme96->capture_substream) {
1411 return -EBUSY;
1412 }
1413 snd_rme96_capture_stop(rme96);
1414 }
1415 break;
1416
1417 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1418 if (RME96_ISRECORDING(rme96)) {
1419 snd_rme96_capture_stop(rme96);
1420 }
1421 break;
1422
1423 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1424 if (!RME96_ISRECORDING(rme96)) {
1425 snd_rme96_capture_start(rme96, 1);
1426 }
1427 break;
1428
1429 default:
1430 return -EINVAL;
1431 }
1432
1433 return 0;
1434 }
1435
1436 static snd_pcm_uframes_t
1437 snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
1438 {
1439 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1440 return snd_rme96_playback_ptr(rme96);
1441 }
1442
1443 static snd_pcm_uframes_t
1444 snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
1445 {
1446 struct rme96 *rme96 = snd_pcm_substream_chip(substream);
1447 return snd_rme96_capture_ptr(rme96);
1448 }
1449
1450 static struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
1451 .open = snd_rme96_playback_spdif_open,
1452 .close = snd_rme96_playback_close,
1453 .ioctl = snd_pcm_lib_ioctl,
1454 .hw_params = snd_rme96_playback_hw_params,
1455 .prepare = snd_rme96_playback_prepare,
1456 .trigger = snd_rme96_playback_trigger,
1457 .pointer = snd_rme96_playback_pointer,
1458 .copy = snd_rme96_playback_copy,
1459 .silence = snd_rme96_playback_silence,
1460 .mmap = snd_pcm_lib_mmap_iomem,
1461 };
1462
1463 static struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
1464 .open = snd_rme96_capture_spdif_open,
1465 .close = snd_rme96_capture_close,
1466 .ioctl = snd_pcm_lib_ioctl,
1467 .hw_params = snd_rme96_capture_hw_params,
1468 .prepare = snd_rme96_capture_prepare,
1469 .trigger = snd_rme96_capture_trigger,
1470 .pointer = snd_rme96_capture_pointer,
1471 .copy = snd_rme96_capture_copy,
1472 .mmap = snd_pcm_lib_mmap_iomem,
1473 };
1474
1475 static struct snd_pcm_ops snd_rme96_playback_adat_ops = {
1476 .open = snd_rme96_playback_adat_open,
1477 .close = snd_rme96_playback_close,
1478 .ioctl = snd_pcm_lib_ioctl,
1479 .hw_params = snd_rme96_playback_hw_params,
1480 .prepare = snd_rme96_playback_prepare,
1481 .trigger = snd_rme96_playback_trigger,
1482 .pointer = snd_rme96_playback_pointer,
1483 .copy = snd_rme96_playback_copy,
1484 .silence = snd_rme96_playback_silence,
1485 .mmap = snd_pcm_lib_mmap_iomem,
1486 };
1487
1488 static struct snd_pcm_ops snd_rme96_capture_adat_ops = {
1489 .open = snd_rme96_capture_adat_open,
1490 .close = snd_rme96_capture_close,
1491 .ioctl = snd_pcm_lib_ioctl,
1492 .hw_params = snd_rme96_capture_hw_params,
1493 .prepare = snd_rme96_capture_prepare,
1494 .trigger = snd_rme96_capture_trigger,
1495 .pointer = snd_rme96_capture_pointer,
1496 .copy = snd_rme96_capture_copy,
1497 .mmap = snd_pcm_lib_mmap_iomem,
1498 };
1499
1500 static void
1501 snd_rme96_free(void *private_data)
1502 {
1503 struct rme96 *rme96 = (struct rme96 *)private_data;
1504
1505 if (rme96 == NULL) {
1506 return;
1507 }
1508 if (rme96->irq >= 0) {
1509 snd_rme96_playback_stop(rme96);
1510 snd_rme96_capture_stop(rme96);
1511 rme96->areg &= ~RME96_AR_DAC_EN;
1512 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1513 free_irq(rme96->irq, (void *)rme96);
1514 rme96->irq = -1;
1515 }
1516 if (rme96->iobase) {
1517 iounmap(rme96->iobase);
1518 rme96->iobase = NULL;
1519 }
1520 if (rme96->port) {
1521 pci_release_regions(rme96->pci);
1522 rme96->port = 0;
1523 }
1524 pci_disable_device(rme96->pci);
1525 }
1526
1527 static void
1528 snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
1529 {
1530 struct rme96 *rme96 = pcm->private_data;
1531 rme96->spdif_pcm = NULL;
1532 }
1533
1534 static void
1535 snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
1536 {
1537 struct rme96 *rme96 = pcm->private_data;
1538 rme96->adat_pcm = NULL;
1539 }
1540
1541 static int __devinit
1542 snd_rme96_create(struct rme96 *rme96)
1543 {
1544 struct pci_dev *pci = rme96->pci;
1545 int err;
1546
1547 rme96->irq = -1;
1548 spin_lock_init(&rme96->lock);
1549
1550 if ((err = pci_enable_device(pci)) < 0)
1551 return err;
1552
1553 if ((err = pci_request_regions(pci, "RME96")) < 0)
1554 return err;
1555 rme96->port = pci_resource_start(rme96->pci, 0);
1556
1557 rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE);
1558 if (!rme96->iobase) {
1559 snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
1560 return -ENOMEM;
1561 }
1562
1563 if (request_irq(pci->irq, snd_rme96_interrupt, IRQF_SHARED,
1564 "RME96", rme96)) {
1565 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1566 return -EBUSY;
1567 }
1568 rme96->irq = pci->irq;
1569
1570 /* read the card's revision number */
1571 pci_read_config_byte(pci, 8, &rme96->rev);
1572
1573 /* set up ALSA pcm device for S/PDIF */
1574 if ((err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
1575 1, 1, &rme96->spdif_pcm)) < 0)
1576 {
1577 return err;
1578 }
1579 rme96->spdif_pcm->private_data = rme96;
1580 rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
1581 strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
1582 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
1583 snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
1584
1585 rme96->spdif_pcm->info_flags = 0;
1586
1587 /* set up ALSA pcm device for ADAT */
1588 if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
1589 /* ADAT is not available on the base model */
1590 rme96->adat_pcm = NULL;
1591 } else {
1592 if ((err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
1593 1, 1, &rme96->adat_pcm)) < 0)
1594 {
1595 return err;
1596 }
1597 rme96->adat_pcm->private_data = rme96;
1598 rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
1599 strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
1600 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
1601 snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
1602
1603 rme96->adat_pcm->info_flags = 0;
1604 }
1605
1606 rme96->playback_periodsize = 0;
1607 rme96->capture_periodsize = 0;
1608
1609 /* make sure playback/capture is stopped, if by some reason active */
1610 snd_rme96_playback_stop(rme96);
1611 snd_rme96_capture_stop(rme96);
1612
1613 /* set default values in registers */
1614 rme96->wcreg =
1615 RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
1616 RME96_WCR_SEL | /* normal playback */
1617 RME96_WCR_MASTER | /* set to master clock mode */
1618 RME96_WCR_INP_0; /* set coaxial input */
1619
1620 rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
1621
1622 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1623 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1624
1625 /* reset the ADC */
1626 writel(rme96->areg | RME96_AR_PD2,
1627 rme96->iobase + RME96_IO_ADDITIONAL_REG);
1628 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1629
1630 /* reset and enable the DAC (order is important). */
1631 snd_rme96_reset_dac(rme96);
1632 rme96->areg |= RME96_AR_DAC_EN;
1633 writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
1634
1635 /* reset playback and record buffer pointers */
1636 writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
1637 writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
1638
1639 /* reset volume */
1640 rme96->vol[0] = rme96->vol[1] = 0;
1641 if (RME96_HAS_ANALOG_OUT(rme96)) {
1642 snd_rme96_apply_dac_volume(rme96);
1643 }
1644
1645 /* init switch interface */
1646 if ((err = snd_rme96_create_switches(rme96->card, rme96)) < 0) {
1647 return err;
1648 }
1649
1650 /* init proc interface */
1651 snd_rme96_proc_init(rme96);
1652
1653 return 0;
1654 }
1655
1656 /*
1657 * proc interface
1658 */
1659
1660 static void
1661 snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1662 {
1663 int n;
1664 struct rme96 *rme96 = entry->private_data;
1665
1666 rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
1667
1668 snd_iprintf(buffer, rme96->card->longname);
1669 snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
1670
1671 snd_iprintf(buffer, "\nGeneral settings\n");
1672 if (rme96->wcreg & RME96_WCR_IDIS) {
1673 snd_iprintf(buffer, " period size: N/A (interrupts "
1674 "disabled)\n");
1675 } else if (rme96->wcreg & RME96_WCR_ISEL) {
1676 snd_iprintf(buffer, " period size: 2048 bytes\n");
1677 } else {
1678 snd_iprintf(buffer, " period size: 8192 bytes\n");
1679 }
1680 snd_iprintf(buffer, "\nInput settings\n");
1681 switch (snd_rme96_getinputtype(rme96)) {
1682 case RME96_INPUT_OPTICAL:
1683 snd_iprintf(buffer, " input: optical");
1684 break;
1685 case RME96_INPUT_COAXIAL:
1686 snd_iprintf(buffer, " input: coaxial");
1687 break;
1688 case RME96_INPUT_INTERNAL:
1689 snd_iprintf(buffer, " input: internal");
1690 break;
1691 case RME96_INPUT_XLR:
1692 snd_iprintf(buffer, " input: XLR");
1693 break;
1694 case RME96_INPUT_ANALOG:
1695 snd_iprintf(buffer, " input: analog");
1696 break;
1697 }
1698 if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1699 snd_iprintf(buffer, "\n sample rate: no valid signal\n");
1700 } else {
1701 if (n) {
1702 snd_iprintf(buffer, " (8 channels)\n");
1703 } else {
1704 snd_iprintf(buffer, " (2 channels)\n");
1705 }
1706 snd_iprintf(buffer, " sample rate: %d Hz\n",
1707 snd_rme96_capture_getrate(rme96, &n));
1708 }
1709 if (rme96->wcreg & RME96_WCR_MODE24_2) {
1710 snd_iprintf(buffer, " sample format: 24 bit\n");
1711 } else {
1712 snd_iprintf(buffer, " sample format: 16 bit\n");
1713 }
1714
1715 snd_iprintf(buffer, "\nOutput settings\n");
1716 if (rme96->wcreg & RME96_WCR_SEL) {
1717 snd_iprintf(buffer, " output signal: normal playback\n");
1718 } else {
1719 snd_iprintf(buffer, " output signal: same as input\n");
1720 }
1721 snd_iprintf(buffer, " sample rate: %d Hz\n",
1722 snd_rme96_playback_getrate(rme96));
1723 if (rme96->wcreg & RME96_WCR_MODE24) {
1724 snd_iprintf(buffer, " sample format: 24 bit\n");
1725 } else {
1726 snd_iprintf(buffer, " sample format: 16 bit\n");
1727 }
1728 if (rme96->areg & RME96_AR_WSEL) {
1729 snd_iprintf(buffer, " sample clock source: word clock\n");
1730 } else if (rme96->wcreg & RME96_WCR_MASTER) {
1731 snd_iprintf(buffer, " sample clock source: internal\n");
1732 } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
1733 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
1734 } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
1735 snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
1736 } else {
1737 snd_iprintf(buffer, " sample clock source: autosync\n");
1738 }
1739 if (rme96->wcreg & RME96_WCR_PRO) {
1740 snd_iprintf(buffer, " format: AES/EBU (professional)\n");
1741 } else {
1742 snd_iprintf(buffer, " format: IEC958 (consumer)\n");
1743 }
1744 if (rme96->wcreg & RME96_WCR_EMP) {
1745 snd_iprintf(buffer, " emphasis: on\n");
1746 } else {
1747 snd_iprintf(buffer, " emphasis: off\n");
1748 }
1749 if (rme96->wcreg & RME96_WCR_DOLBY) {
1750 snd_iprintf(buffer, " non-audio (dolby): on\n");
1751 } else {
1752 snd_iprintf(buffer, " non-audio (dolby): off\n");
1753 }
1754 if (RME96_HAS_ANALOG_IN(rme96)) {
1755 snd_iprintf(buffer, "\nAnalog output settings\n");
1756 switch (snd_rme96_getmontracks(rme96)) {
1757 case RME96_MONITOR_TRACKS_1_2:
1758 snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
1759 break;
1760 case RME96_MONITOR_TRACKS_3_4:
1761 snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
1762 break;
1763 case RME96_MONITOR_TRACKS_5_6:
1764 snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
1765 break;
1766 case RME96_MONITOR_TRACKS_7_8:
1767 snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
1768 break;
1769 }
1770 switch (snd_rme96_getattenuation(rme96)) {
1771 case RME96_ATTENUATION_0:
1772 snd_iprintf(buffer, " attenuation: 0 dB\n");
1773 break;
1774 case RME96_ATTENUATION_6:
1775 snd_iprintf(buffer, " attenuation: -6 dB\n");
1776 break;
1777 case RME96_ATTENUATION_12:
1778 snd_iprintf(buffer, " attenuation: -12 dB\n");
1779 break;
1780 case RME96_ATTENUATION_18:
1781 snd_iprintf(buffer, " attenuation: -18 dB\n");
1782 break;
1783 }
1784 snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
1785 snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
1786 }
1787 }
1788
1789 static void __devinit
1790 snd_rme96_proc_init(struct rme96 *rme96)
1791 {
1792 struct snd_info_entry *entry;
1793
1794 if (! snd_card_proc_new(rme96->card, "rme96", &entry))
1795 snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
1796 }
1797
1798 /*
1799 * control interface
1800 */
1801
1802 #define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
1803
1804 static int
1805 snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1806 {
1807 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1808
1809 spin_lock_irq(&rme96->lock);
1810 ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
1811 spin_unlock_irq(&rme96->lock);
1812 return 0;
1813 }
1814 static int
1815 snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1816 {
1817 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1818 unsigned int val;
1819 int change;
1820
1821 val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
1822 spin_lock_irq(&rme96->lock);
1823 val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
1824 change = val != rme96->wcreg;
1825 rme96->wcreg = val;
1826 writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
1827 spin_unlock_irq(&rme96->lock);
1828 return change;
1829 }
1830
1831 static int
1832 snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1833 {
1834 static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
1835 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1836 char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
1837
1838 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1839 uinfo->count = 1;
1840 switch (rme96->pci->device) {
1841 case PCI_DEVICE_ID_RME_DIGI96:
1842 case PCI_DEVICE_ID_RME_DIGI96_8:
1843 uinfo->value.enumerated.items = 3;
1844 break;
1845 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1846 uinfo->value.enumerated.items = 4;
1847 break;
1848 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1849 if (rme96->rev > 4) {
1850 /* PST */
1851 uinfo->value.enumerated.items = 4;
1852 texts[3] = _texts[4]; /* Analog instead of XLR */
1853 } else {
1854 /* PAD */
1855 uinfo->value.enumerated.items = 5;
1856 }
1857 break;
1858 default:
1859 snd_BUG();
1860 break;
1861 }
1862 if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
1863 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1864 }
1865 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1866 return 0;
1867 }
1868 static int
1869 snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1870 {
1871 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1872 unsigned int items = 3;
1873
1874 spin_lock_irq(&rme96->lock);
1875 ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
1876
1877 switch (rme96->pci->device) {
1878 case PCI_DEVICE_ID_RME_DIGI96:
1879 case PCI_DEVICE_ID_RME_DIGI96_8:
1880 items = 3;
1881 break;
1882 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1883 items = 4;
1884 break;
1885 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1886 if (rme96->rev > 4) {
1887 /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
1888 if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
1889 ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
1890 }
1891 items = 4;
1892 } else {
1893 items = 5;
1894 }
1895 break;
1896 default:
1897 snd_BUG();
1898 break;
1899 }
1900 if (ucontrol->value.enumerated.item[0] >= items) {
1901 ucontrol->value.enumerated.item[0] = items - 1;
1902 }
1903
1904 spin_unlock_irq(&rme96->lock);
1905 return 0;
1906 }
1907 static int
1908 snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1909 {
1910 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1911 unsigned int val;
1912 int change, items = 3;
1913
1914 switch (rme96->pci->device) {
1915 case PCI_DEVICE_ID_RME_DIGI96:
1916 case PCI_DEVICE_ID_RME_DIGI96_8:
1917 items = 3;
1918 break;
1919 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
1920 items = 4;
1921 break;
1922 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
1923 if (rme96->rev > 4) {
1924 items = 4;
1925 } else {
1926 items = 5;
1927 }
1928 break;
1929 default:
1930 snd_BUG();
1931 break;
1932 }
1933 val = ucontrol->value.enumerated.item[0] % items;
1934
1935 /* special case for PST */
1936 if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
1937 if (val == RME96_INPUT_XLR) {
1938 val = RME96_INPUT_ANALOG;
1939 }
1940 }
1941
1942 spin_lock_irq(&rme96->lock);
1943 change = (int)val != snd_rme96_getinputtype(rme96);
1944 snd_rme96_setinputtype(rme96, val);
1945 spin_unlock_irq(&rme96->lock);
1946 return change;
1947 }
1948
1949 static int
1950 snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1951 {
1952 static char *texts[3] = { "AutoSync", "Internal", "Word" };
1953
1954 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1955 uinfo->count = 1;
1956 uinfo->value.enumerated.items = 3;
1957 if (uinfo->value.enumerated.item > 2) {
1958 uinfo->value.enumerated.item = 2;
1959 }
1960 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1961 return 0;
1962 }
1963 static int
1964 snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1965 {
1966 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1967
1968 spin_lock_irq(&rme96->lock);
1969 ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
1970 spin_unlock_irq(&rme96->lock);
1971 return 0;
1972 }
1973 static int
1974 snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1975 {
1976 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
1977 unsigned int val;
1978 int change;
1979
1980 val = ucontrol->value.enumerated.item[0] % 3;
1981 spin_lock_irq(&rme96->lock);
1982 change = (int)val != snd_rme96_getclockmode(rme96);
1983 snd_rme96_setclockmode(rme96, val);
1984 spin_unlock_irq(&rme96->lock);
1985 return change;
1986 }
1987
1988 static int
1989 snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1990 {
1991 static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
1992
1993 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1994 uinfo->count = 1;
1995 uinfo->value.enumerated.items = 4;
1996 if (uinfo->value.enumerated.item > 3) {
1997 uinfo->value.enumerated.item = 3;
1998 }
1999 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2000 return 0;
2001 }
2002 static int
2003 snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2004 {
2005 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2006
2007 spin_lock_irq(&rme96->lock);
2008 ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
2009 spin_unlock_irq(&rme96->lock);
2010 return 0;
2011 }
2012 static int
2013 snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2014 {
2015 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2016 unsigned int val;
2017 int change;
2018
2019 val = ucontrol->value.enumerated.item[0] % 4;
2020 spin_lock_irq(&rme96->lock);
2021
2022 change = (int)val != snd_rme96_getattenuation(rme96);
2023 snd_rme96_setattenuation(rme96, val);
2024 spin_unlock_irq(&rme96->lock);
2025 return change;
2026 }
2027
2028 static int
2029 snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2030 {
2031 static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
2032
2033 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2034 uinfo->count = 1;
2035 uinfo->value.enumerated.items = 4;
2036 if (uinfo->value.enumerated.item > 3) {
2037 uinfo->value.enumerated.item = 3;
2038 }
2039 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2040 return 0;
2041 }
2042 static int
2043 snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2044 {
2045 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2046
2047 spin_lock_irq(&rme96->lock);
2048 ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
2049 spin_unlock_irq(&rme96->lock);
2050 return 0;
2051 }
2052 static int
2053 snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2054 {
2055 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2056 unsigned int val;
2057 int change;
2058
2059 val = ucontrol->value.enumerated.item[0] % 4;
2060 spin_lock_irq(&rme96->lock);
2061 change = (int)val != snd_rme96_getmontracks(rme96);
2062 snd_rme96_setmontracks(rme96, val);
2063 spin_unlock_irq(&rme96->lock);
2064 return change;
2065 }
2066
2067 static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
2068 {
2069 u32 val = 0;
2070 val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
2071 val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
2072 if (val & RME96_WCR_PRO)
2073 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2074 else
2075 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
2076 return val;
2077 }
2078
2079 static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
2080 {
2081 aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
2082 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
2083 if (val & RME96_WCR_PRO)
2084 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
2085 else
2086 aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
2087 }
2088
2089 static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2090 {
2091 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2092 uinfo->count = 1;
2093 return 0;
2094 }
2095
2096 static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2097 {
2098 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2099
2100 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
2101 return 0;
2102 }
2103
2104 static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2105 {
2106 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2107 int change;
2108 u32 val;
2109
2110 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2111 spin_lock_irq(&rme96->lock);
2112 change = val != rme96->wcreg_spdif;
2113 rme96->wcreg_spdif = val;
2114 spin_unlock_irq(&rme96->lock);
2115 return change;
2116 }
2117
2118 static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2119 {
2120 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2121 uinfo->count = 1;
2122 return 0;
2123 }
2124
2125 static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2126 {
2127 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2128
2129 snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
2130 return 0;
2131 }
2132
2133 static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2134 {
2135 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2136 int change;
2137 u32 val;
2138
2139 val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
2140 spin_lock_irq(&rme96->lock);
2141 change = val != rme96->wcreg_spdif_stream;
2142 rme96->wcreg_spdif_stream = val;
2143 rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
2144 rme96->wcreg |= val;
2145 writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
2146 spin_unlock_irq(&rme96->lock);
2147 return change;
2148 }
2149
2150 static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2151 {
2152 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2153 uinfo->count = 1;
2154 return 0;
2155 }
2156
2157 static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2158 {
2159 ucontrol->value.iec958.status[0] = kcontrol->private_value;
2160 return 0;
2161 }
2162
2163 static int
2164 snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2165 {
2166 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2167
2168 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2169 uinfo->count = 2;
2170 uinfo->value.integer.min = 0;
2171 uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
2172 return 0;
2173 }
2174
2175 static int
2176 snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2177 {
2178 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2179
2180 spin_lock_irq(&rme96->lock);
2181 u->value.integer.value[0] = rme96->vol[0];
2182 u->value.integer.value[1] = rme96->vol[1];
2183 spin_unlock_irq(&rme96->lock);
2184
2185 return 0;
2186 }
2187
2188 static int
2189 snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
2190 {
2191 struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
2192 int change = 0;
2193 unsigned int vol, maxvol;
2194
2195
2196 if (!RME96_HAS_ANALOG_OUT(rme96))
2197 return -EINVAL;
2198 maxvol = RME96_185X_MAX_OUT(rme96);
2199 spin_lock_irq(&rme96->lock);
2200 vol = u->value.integer.value[0];
2201 if (vol != rme96->vol[0] && vol <= maxvol) {
2202 rme96->vol[0] = vol;
2203 change = 1;
2204 }
2205 vol = u->value.integer.value[1];
2206 if (vol != rme96->vol[1] && vol <= maxvol) {
2207 rme96->vol[1] = vol;
2208 change = 1;
2209 }
2210 if (change)
2211 snd_rme96_apply_dac_volume(rme96);
2212 spin_unlock_irq(&rme96->lock);
2213
2214 return change;
2215 }
2216
2217 static struct snd_kcontrol_new snd_rme96_controls[] = {
2218 {
2219 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2220 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2221 .info = snd_rme96_control_spdif_info,
2222 .get = snd_rme96_control_spdif_get,
2223 .put = snd_rme96_control_spdif_put
2224 },
2225 {
2226 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2227 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2228 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2229 .info = snd_rme96_control_spdif_stream_info,
2230 .get = snd_rme96_control_spdif_stream_get,
2231 .put = snd_rme96_control_spdif_stream_put
2232 },
2233 {
2234 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2235 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2236 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2237 .info = snd_rme96_control_spdif_mask_info,
2238 .get = snd_rme96_control_spdif_mask_get,
2239 .private_value = IEC958_AES0_NONAUDIO |
2240 IEC958_AES0_PROFESSIONAL |
2241 IEC958_AES0_CON_EMPHASIS
2242 },
2243 {
2244 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2245 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
2246 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2247 .info = snd_rme96_control_spdif_mask_info,
2248 .get = snd_rme96_control_spdif_mask_get,
2249 .private_value = IEC958_AES0_NONAUDIO |
2250 IEC958_AES0_PROFESSIONAL |
2251 IEC958_AES0_PRO_EMPHASIS
2252 },
2253 {
2254 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2255 .name = "Input Connector",
2256 .info = snd_rme96_info_inputtype_control,
2257 .get = snd_rme96_get_inputtype_control,
2258 .put = snd_rme96_put_inputtype_control
2259 },
2260 {
2261 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2262 .name = "Loopback Input",
2263 .info = snd_rme96_info_loopback_control,
2264 .get = snd_rme96_get_loopback_control,
2265 .put = snd_rme96_put_loopback_control
2266 },
2267 {
2268 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2269 .name = "Sample Clock Source",
2270 .info = snd_rme96_info_clockmode_control,
2271 .get = snd_rme96_get_clockmode_control,
2272 .put = snd_rme96_put_clockmode_control
2273 },
2274 {
2275 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2276 .name = "Monitor Tracks",
2277 .info = snd_rme96_info_montracks_control,
2278 .get = snd_rme96_get_montracks_control,
2279 .put = snd_rme96_put_montracks_control
2280 },
2281 {
2282 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2283 .name = "Attenuation",
2284 .info = snd_rme96_info_attenuation_control,
2285 .get = snd_rme96_get_attenuation_control,
2286 .put = snd_rme96_put_attenuation_control
2287 },
2288 {
2289 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2290 .name = "DAC Playback Volume",
2291 .info = snd_rme96_dac_volume_info,
2292 .get = snd_rme96_dac_volume_get,
2293 .put = snd_rme96_dac_volume_put
2294 }
2295 };
2296
2297 static int
2298 snd_rme96_create_switches(struct snd_card *card,
2299 struct rme96 *rme96)
2300 {
2301 int idx, err;
2302 struct snd_kcontrol *kctl;
2303
2304 for (idx = 0; idx < 7; idx++) {
2305 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2306 return err;
2307 if (idx == 1) /* IEC958 (S/PDIF) Stream */
2308 rme96->spdif_ctl = kctl;
2309 }
2310
2311 if (RME96_HAS_ANALOG_OUT(rme96)) {
2312 for (idx = 7; idx < 10; idx++)
2313 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96))) < 0)
2314 return err;
2315 }
2316
2317 return 0;
2318 }
2319
2320 /*
2321 * Card initialisation
2322 */
2323
2324 static void snd_rme96_card_free(struct snd_card *card)
2325 {
2326 snd_rme96_free(card->private_data);
2327 }
2328
2329 static int __devinit
2330 snd_rme96_probe(struct pci_dev *pci,
2331 const struct pci_device_id *pci_id)
2332 {
2333 static int dev;
2334 struct rme96 *rme96;
2335 struct snd_card *card;
2336 int err;
2337 u8 val;
2338
2339 if (dev >= SNDRV_CARDS) {
2340 return -ENODEV;
2341 }
2342 if (!enable[dev]) {
2343 dev++;
2344 return -ENOENT;
2345 }
2346 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
2347 sizeof(struct rme96), &card);
2348 if (err < 0)
2349 return err;
2350 card->private_free = snd_rme96_card_free;
2351 rme96 = card->private_data;
2352 rme96->card = card;
2353 rme96->pci = pci;
2354 snd_card_set_dev(card, &pci->dev);
2355 if ((err = snd_rme96_create(rme96)) < 0) {
2356 snd_card_free(card);
2357 return err;
2358 }
2359
2360 strcpy(card->driver, "Digi96");
2361 switch (rme96->pci->device) {
2362 case PCI_DEVICE_ID_RME_DIGI96:
2363 strcpy(card->shortname, "RME Digi96");
2364 break;
2365 case PCI_DEVICE_ID_RME_DIGI96_8:
2366 strcpy(card->shortname, "RME Digi96/8");
2367 break;
2368 case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
2369 strcpy(card->shortname, "RME Digi96/8 PRO");
2370 break;
2371 case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
2372 pci_read_config_byte(rme96->pci, 8, &val);
2373 if (val < 5) {
2374 strcpy(card->shortname, "RME Digi96/8 PAD");
2375 } else {
2376 strcpy(card->shortname, "RME Digi96/8 PST");
2377 }
2378 break;
2379 }
2380 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2381 rme96->port, rme96->irq);
2382
2383 if ((err = snd_card_register(card)) < 0) {
2384 snd_card_free(card);
2385 return err;
2386 }
2387 pci_set_drvdata(pci, card);
2388 dev++;
2389 return 0;
2390 }
2391
2392 static void __devexit snd_rme96_remove(struct pci_dev *pci)
2393 {
2394 snd_card_free(pci_get_drvdata(pci));
2395 pci_set_drvdata(pci, NULL);
2396 }
2397
2398 static struct pci_driver driver = {
2399 .name = "RME Digi96",
2400 .id_table = snd_rme96_ids,
2401 .probe = snd_rme96_probe,
2402 .remove = __devexit_p(snd_rme96_remove),
2403 };
2404
2405 static int __init alsa_card_rme96_init(void)
2406 {
2407 return pci_register_driver(&driver);
2408 }
2409
2410 static void __exit alsa_card_rme96_exit(void)
2411 {
2412 pci_unregister_driver(&driver);
2413 }
2414
2415 module_init(alsa_card_rme96_init)
2416 module_exit(alsa_card_rme96_exit)
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