Merge branch 'topic/div64-cleanup' into for-linus
[pandora-kernel.git] / sound / pci / rme9652 / hdsp.c
1 /*
2  *   ALSA driver for RME Hammerfall DSP audio interface(s)
3  *
4  *      Copyright (c) 2002  Paul Davis
5  *                          Marcus Andersson
6  *                          Thomas Charbonnel
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */
23
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/slab.h>
28 #include <linux/pci.h>
29 #include <linux/firmware.h>
30 #include <linux/moduleparam.h>
31 #include <linux/math64.h>
32
33 #include <sound/core.h>
34 #include <sound/control.h>
35 #include <sound/pcm.h>
36 #include <sound/info.h>
37 #include <sound/asoundef.h>
38 #include <sound/rawmidi.h>
39 #include <sound/hwdep.h>
40 #include <sound/initval.h>
41 #include <sound/hdsp.h>
42
43 #include <asm/byteorder.h>
44 #include <asm/current.h>
45 #include <asm/io.h>
46
47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
50
51 module_param_array(index, int, NULL, 0444);
52 MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface.");
53 module_param_array(id, charp, NULL, 0444);
54 MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface.");
55 module_param_array(enable, bool, NULL, 0444);
56 MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards.");
57 MODULE_AUTHOR("Paul Davis <paul@linuxaudiosystems.com>, Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
58 MODULE_DESCRIPTION("RME Hammerfall DSP");
59 MODULE_LICENSE("GPL");
60 MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
61                 "{RME HDSP-9652},"
62                 "{RME HDSP-9632}}");
63 #ifdef HDSP_FW_LOADER
64 MODULE_FIRMWARE("multiface_firmware.bin");
65 MODULE_FIRMWARE("multiface_firmware_rev11.bin");
66 MODULE_FIRMWARE("digiface_firmware.bin");
67 MODULE_FIRMWARE("digiface_firmware_rev11.bin");
68 #endif
69
70 #define HDSP_MAX_CHANNELS        26
71 #define HDSP_MAX_DS_CHANNELS     14
72 #define HDSP_MAX_QS_CHANNELS     8
73 #define DIGIFACE_SS_CHANNELS     26
74 #define DIGIFACE_DS_CHANNELS     14
75 #define MULTIFACE_SS_CHANNELS    18
76 #define MULTIFACE_DS_CHANNELS    14
77 #define H9652_SS_CHANNELS        26
78 #define H9652_DS_CHANNELS        14
79 /* This does not include possible Analog Extension Boards
80    AEBs are detected at card initialization
81 */
82 #define H9632_SS_CHANNELS        12
83 #define H9632_DS_CHANNELS        8
84 #define H9632_QS_CHANNELS        4
85
86 /* Write registers. These are defined as byte-offsets from the iobase value.
87  */
88 #define HDSP_resetPointer               0
89 #define HDSP_freqReg                    0
90 #define HDSP_outputBufferAddress        32
91 #define HDSP_inputBufferAddress         36
92 #define HDSP_controlRegister            64
93 #define HDSP_interruptConfirmation      96
94 #define HDSP_outputEnable               128
95 #define HDSP_control2Reg                256
96 #define HDSP_midiDataOut0               352
97 #define HDSP_midiDataOut1               356
98 #define HDSP_fifoData                   368
99 #define HDSP_inputEnable                384
100
101 /* Read registers. These are defined as byte-offsets from the iobase value
102  */
103
104 #define HDSP_statusRegister    0
105 #define HDSP_timecode        128
106 #define HDSP_status2Register 192
107 #define HDSP_midiDataIn0     360
108 #define HDSP_midiDataIn1     364
109 #define HDSP_midiStatusOut0  384
110 #define HDSP_midiStatusOut1  388
111 #define HDSP_midiStatusIn0   392
112 #define HDSP_midiStatusIn1   396
113 #define HDSP_fifoStatus      400
114
115 /* the meters are regular i/o-mapped registers, but offset
116    considerably from the rest. the peak registers are reset
117    when read; the least-significant 4 bits are full-scale counters;
118    the actual peak value is in the most-significant 24 bits.
119 */
120
121 #define HDSP_playbackPeakLevel  4096  /* 26 * 32 bit values */
122 #define HDSP_inputPeakLevel     4224  /* 26 * 32 bit values */
123 #define HDSP_outputPeakLevel    4352  /* (26+2) * 32 bit values */
124 #define HDSP_playbackRmsLevel   4612  /* 26 * 64 bit values */
125 #define HDSP_inputRmsLevel      4868  /* 26 * 64 bit values */
126
127
128 /* This is for H9652 cards
129    Peak values are read downward from the base
130    Rms values are read upward
131    There are rms values for the outputs too
132    26*3 values are read in ss mode
133    14*3 in ds mode, with no gap between values
134 */
135 #define HDSP_9652_peakBase      7164
136 #define HDSP_9652_rmsBase       4096
137
138 /* c.f. the hdsp_9632_meters_t struct */
139 #define HDSP_9632_metersBase    4096
140
141 #define HDSP_IO_EXTENT     7168
142
143 /* control2 register bits */
144
145 #define HDSP_TMS                0x01
146 #define HDSP_TCK                0x02
147 #define HDSP_TDI                0x04
148 #define HDSP_JTAG               0x08
149 #define HDSP_PWDN               0x10
150 #define HDSP_PROGRAM            0x020
151 #define HDSP_CONFIG_MODE_0      0x040
152 #define HDSP_CONFIG_MODE_1      0x080
153 #define HDSP_VERSION_BIT        0x100
154 #define HDSP_BIGENDIAN_MODE     0x200
155 #define HDSP_RD_MULTIPLE        0x400
156 #define HDSP_9652_ENABLE_MIXER  0x800
157 #define HDSP_TDO                0x10000000
158
159 #define HDSP_S_PROGRAM          (HDSP_PROGRAM|HDSP_CONFIG_MODE_0)
160 #define HDSP_S_LOAD             (HDSP_PROGRAM|HDSP_CONFIG_MODE_1)
161
162 /* Control Register bits */
163
164 #define HDSP_Start                (1<<0)  /* start engine */
165 #define HDSP_Latency0             (1<<1)  /* buffer size = 2^n where n is defined by Latency{2,1,0} */
166 #define HDSP_Latency1             (1<<2)  /* [ see above ] */
167 #define HDSP_Latency2             (1<<3)  /* [ see above ] */
168 #define HDSP_ClockModeMaster      (1<<4)  /* 1=Master, 0=Slave/Autosync */
169 #define HDSP_AudioInterruptEnable (1<<5)  /* what do you think ? */
170 #define HDSP_Frequency0           (1<<6)  /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */
171 #define HDSP_Frequency1           (1<<7)  /* 0=32kHz/64kHz/128kHz */
172 #define HDSP_DoubleSpeed          (1<<8)  /* 0=normal speed, 1=double speed */
173 #define HDSP_SPDIFProfessional    (1<<9)  /* 0=consumer, 1=professional */
174 #define HDSP_SPDIFEmphasis        (1<<10) /* 0=none, 1=on */
175 #define HDSP_SPDIFNonAudio        (1<<11) /* 0=off, 1=on */
176 #define HDSP_SPDIFOpticalOut      (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
177 #define HDSP_SyncRef2             (1<<13)
178 #define HDSP_SPDIFInputSelect0    (1<<14)
179 #define HDSP_SPDIFInputSelect1    (1<<15)
180 #define HDSP_SyncRef0             (1<<16)
181 #define HDSP_SyncRef1             (1<<17)
182 #define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */
183 #define HDSP_XLRBreakoutCable     (1<<20) /* For H9632 cards */
184 #define HDSP_Midi0InterruptEnable (1<<22)
185 #define HDSP_Midi1InterruptEnable (1<<23)
186 #define HDSP_LineOut              (1<<24)
187 #define HDSP_ADGain0              (1<<25) /* From here : H9632 specific */
188 #define HDSP_ADGain1              (1<<26)
189 #define HDSP_DAGain0              (1<<27)
190 #define HDSP_DAGain1              (1<<28)
191 #define HDSP_PhoneGain0           (1<<29)
192 #define HDSP_PhoneGain1           (1<<30)
193 #define HDSP_QuadSpeed            (1<<31)
194
195 #define HDSP_ADGainMask       (HDSP_ADGain0|HDSP_ADGain1)
196 #define HDSP_ADGainMinus10dBV  HDSP_ADGainMask
197 #define HDSP_ADGainPlus4dBu   (HDSP_ADGain0)
198 #define HDSP_ADGainLowGain     0
199
200 #define HDSP_DAGainMask         (HDSP_DAGain0|HDSP_DAGain1)
201 #define HDSP_DAGainHighGain      HDSP_DAGainMask
202 #define HDSP_DAGainPlus4dBu     (HDSP_DAGain0)
203 #define HDSP_DAGainMinus10dBV    0
204
205 #define HDSP_PhoneGainMask      (HDSP_PhoneGain0|HDSP_PhoneGain1)
206 #define HDSP_PhoneGain0dB        HDSP_PhoneGainMask
207 #define HDSP_PhoneGainMinus6dB  (HDSP_PhoneGain0)
208 #define HDSP_PhoneGainMinus12dB  0
209
210 #define HDSP_LatencyMask    (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2)
211 #define HDSP_FrequencyMask  (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed)
212
213 #define HDSP_SPDIFInputMask    (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
214 #define HDSP_SPDIFInputADAT1    0
215 #define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0)
216 #define HDSP_SPDIFInputCdrom   (HDSP_SPDIFInputSelect1)
217 #define HDSP_SPDIFInputAES     (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
218
219 #define HDSP_SyncRefMask        (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2)
220 #define HDSP_SyncRef_ADAT1       0
221 #define HDSP_SyncRef_ADAT2      (HDSP_SyncRef0)
222 #define HDSP_SyncRef_ADAT3      (HDSP_SyncRef1)
223 #define HDSP_SyncRef_SPDIF      (HDSP_SyncRef0|HDSP_SyncRef1)
224 #define HDSP_SyncRef_WORD       (HDSP_SyncRef2)
225 #define HDSP_SyncRef_ADAT_SYNC  (HDSP_SyncRef0|HDSP_SyncRef2)
226
227 /* Sample Clock Sources */
228
229 #define HDSP_CLOCK_SOURCE_AUTOSYNC           0
230 #define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ     1
231 #define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ   2
232 #define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ     3
233 #define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ     4
234 #define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ   5
235 #define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ     6
236 #define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ    7
237 #define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ  8
238 #define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ    9
239
240 /* Preferred sync reference choices - used by "pref_sync_ref" control switch */
241
242 #define HDSP_SYNC_FROM_WORD      0
243 #define HDSP_SYNC_FROM_SPDIF     1
244 #define HDSP_SYNC_FROM_ADAT1     2
245 #define HDSP_SYNC_FROM_ADAT_SYNC 3
246 #define HDSP_SYNC_FROM_ADAT2     4
247 #define HDSP_SYNC_FROM_ADAT3     5
248
249 /* SyncCheck status */
250
251 #define HDSP_SYNC_CHECK_NO_LOCK 0
252 #define HDSP_SYNC_CHECK_LOCK    1
253 #define HDSP_SYNC_CHECK_SYNC    2
254
255 /* AutoSync references - used by "autosync_ref" control switch */
256
257 #define HDSP_AUTOSYNC_FROM_WORD      0
258 #define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1
259 #define HDSP_AUTOSYNC_FROM_SPDIF     2
260 #define HDSP_AUTOSYNC_FROM_NONE      3
261 #define HDSP_AUTOSYNC_FROM_ADAT1     4
262 #define HDSP_AUTOSYNC_FROM_ADAT2     5
263 #define HDSP_AUTOSYNC_FROM_ADAT3     6
264
265 /* Possible sources of S/PDIF input */
266
267 #define HDSP_SPDIFIN_OPTICAL  0 /* optical  (ADAT1) */
268 #define HDSP_SPDIFIN_COAXIAL  1 /* coaxial (RCA) */
269 #define HDSP_SPDIFIN_INTERNAL 2 /* internal (CDROM) */
270 #define HDSP_SPDIFIN_AES      3 /* xlr for H9632 (AES)*/
271
272 #define HDSP_Frequency32KHz    HDSP_Frequency0
273 #define HDSP_Frequency44_1KHz  HDSP_Frequency1
274 #define HDSP_Frequency48KHz    (HDSP_Frequency1|HDSP_Frequency0)
275 #define HDSP_Frequency64KHz    (HDSP_DoubleSpeed|HDSP_Frequency0)
276 #define HDSP_Frequency88_2KHz  (HDSP_DoubleSpeed|HDSP_Frequency1)
277 #define HDSP_Frequency96KHz    (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
278 /* For H9632 cards */
279 #define HDSP_Frequency128KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0)
280 #define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1)
281 #define HDSP_Frequency192KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
282 /* RME says n = 104857600000000, but in the windows MADI driver, I see:
283         return 104857600000000 / rate; // 100 MHz
284         return 110100480000000 / rate; // 105 MHz
285 */
286 #define DDS_NUMERATOR 104857600000000ULL;  /*  =  2^20 * 10^8 */
287
288 #define hdsp_encode_latency(x)       (((x)<<1) & HDSP_LatencyMask)
289 #define hdsp_decode_latency(x)       (((x) & HDSP_LatencyMask)>>1)
290
291 #define hdsp_encode_spdif_in(x) (((x)&0x3)<<14)
292 #define hdsp_decode_spdif_in(x) (((x)>>14)&0x3)
293
294 /* Status Register bits */
295
296 #define HDSP_audioIRQPending    (1<<0)
297 #define HDSP_Lock2              (1<<1)     /* this is for Digiface and H9652 */
298 #define HDSP_spdifFrequency3    HDSP_Lock2 /* this is for H9632 only */
299 #define HDSP_Lock1              (1<<2)
300 #define HDSP_Lock0              (1<<3)
301 #define HDSP_SPDIFSync          (1<<4)
302 #define HDSP_TimecodeLock       (1<<5)
303 #define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
304 #define HDSP_Sync2              (1<<16)
305 #define HDSP_Sync1              (1<<17)
306 #define HDSP_Sync0              (1<<18)
307 #define HDSP_DoubleSpeedStatus  (1<<19)
308 #define HDSP_ConfigError        (1<<20)
309 #define HDSP_DllError           (1<<21)
310 #define HDSP_spdifFrequency0    (1<<22)
311 #define HDSP_spdifFrequency1    (1<<23)
312 #define HDSP_spdifFrequency2    (1<<24)
313 #define HDSP_SPDIFErrorFlag     (1<<25)
314 #define HDSP_BufferID           (1<<26)
315 #define HDSP_TimecodeSync       (1<<27)
316 #define HDSP_AEBO               (1<<28) /* H9632 specific Analog Extension Boards */
317 #define HDSP_AEBI               (1<<29) /* 0 = present, 1 = absent */
318 #define HDSP_midi0IRQPending    (1<<30)
319 #define HDSP_midi1IRQPending    (1<<31)
320
321 #define HDSP_spdifFrequencyMask    (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
322 #define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\
323                                       HDSP_spdifFrequency1|\
324                                       HDSP_spdifFrequency2|\
325                                       HDSP_spdifFrequency3)
326
327 #define HDSP_spdifFrequency32KHz   (HDSP_spdifFrequency0)
328 #define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
329 #define HDSP_spdifFrequency48KHz   (HDSP_spdifFrequency0|HDSP_spdifFrequency1)
330
331 #define HDSP_spdifFrequency64KHz   (HDSP_spdifFrequency2)
332 #define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2)
333 #define HDSP_spdifFrequency96KHz   (HDSP_spdifFrequency2|HDSP_spdifFrequency1)
334
335 /* This is for H9632 cards */
336 #define HDSP_spdifFrequency128KHz   (HDSP_spdifFrequency0|\
337                                      HDSP_spdifFrequency1|\
338                                      HDSP_spdifFrequency2)
339 #define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
340 #define HDSP_spdifFrequency192KHz   (HDSP_spdifFrequency3|HDSP_spdifFrequency0)
341
342 /* Status2 Register bits */
343
344 #define HDSP_version0     (1<<0)
345 #define HDSP_version1     (1<<1)
346 #define HDSP_version2     (1<<2)
347 #define HDSP_wc_lock      (1<<3)
348 #define HDSP_wc_sync      (1<<4)
349 #define HDSP_inp_freq0    (1<<5)
350 #define HDSP_inp_freq1    (1<<6)
351 #define HDSP_inp_freq2    (1<<7)
352 #define HDSP_SelSyncRef0  (1<<8)
353 #define HDSP_SelSyncRef1  (1<<9)
354 #define HDSP_SelSyncRef2  (1<<10)
355
356 #define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync)
357
358 #define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2)
359 #define HDSP_systemFrequency32   (HDSP_inp_freq0)
360 #define HDSP_systemFrequency44_1 (HDSP_inp_freq1)
361 #define HDSP_systemFrequency48   (HDSP_inp_freq0|HDSP_inp_freq1)
362 #define HDSP_systemFrequency64   (HDSP_inp_freq2)
363 #define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2)
364 #define HDSP_systemFrequency96   (HDSP_inp_freq1|HDSP_inp_freq2)
365 /* FIXME : more values for 9632 cards ? */
366
367 #define HDSP_SelSyncRefMask        (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2)
368 #define HDSP_SelSyncRef_ADAT1      0
369 #define HDSP_SelSyncRef_ADAT2      (HDSP_SelSyncRef0)
370 #define HDSP_SelSyncRef_ADAT3      (HDSP_SelSyncRef1)
371 #define HDSP_SelSyncRef_SPDIF      (HDSP_SelSyncRef0|HDSP_SelSyncRef1)
372 #define HDSP_SelSyncRef_WORD       (HDSP_SelSyncRef2)
373 #define HDSP_SelSyncRef_ADAT_SYNC  (HDSP_SelSyncRef0|HDSP_SelSyncRef2)
374
375 /* Card state flags */
376
377 #define HDSP_InitializationComplete  (1<<0)
378 #define HDSP_FirmwareLoaded          (1<<1)
379 #define HDSP_FirmwareCached          (1<<2)
380
381 /* FIFO wait times, defined in terms of 1/10ths of msecs */
382
383 #define HDSP_LONG_WAIT   5000
384 #define HDSP_SHORT_WAIT  30
385
386 #define UNITY_GAIN                       32768
387 #define MINUS_INFINITY_GAIN              0
388
389 /* the size of a substream (1 mono data stream) */
390
391 #define HDSP_CHANNEL_BUFFER_SAMPLES  (16*1024)
392 #define HDSP_CHANNEL_BUFFER_BYTES    (4*HDSP_CHANNEL_BUFFER_SAMPLES)
393
394 /* the size of the area we need to allocate for DMA transfers. the
395    size is the same regardless of the number of channels - the
396    Multiface still uses the same memory area.
397
398    Note that we allocate 1 more channel than is apparently needed
399    because the h/w seems to write 1 byte beyond the end of the last
400    page. Sigh.
401 */
402
403 #define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
404 #define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
405
406 /* use hotplug firmeare loader? */
407 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
408 #if !defined(HDSP_USE_HWDEP_LOADER) && !defined(CONFIG_SND_HDSP)
409 #define HDSP_FW_LOADER
410 #endif
411 #endif
412
413 struct hdsp_9632_meters {
414     u32 input_peak[16];
415     u32 playback_peak[16];
416     u32 output_peak[16];
417     u32 xxx_peak[16];
418     u32 padding[64];
419     u32 input_rms_low[16];
420     u32 playback_rms_low[16];
421     u32 output_rms_low[16];
422     u32 xxx_rms_low[16];
423     u32 input_rms_high[16];
424     u32 playback_rms_high[16];
425     u32 output_rms_high[16];
426     u32 xxx_rms_high[16];
427 };
428
429 struct hdsp_midi {
430     struct hdsp             *hdsp;
431     int                      id;
432     struct snd_rawmidi           *rmidi;
433     struct snd_rawmidi_substream *input;
434     struct snd_rawmidi_substream *output;
435     char                     istimer; /* timer in use */
436     struct timer_list        timer;
437     spinlock_t               lock;
438     int                      pending;
439 };
440
441 struct hdsp {
442         spinlock_t            lock;
443         struct snd_pcm_substream *capture_substream;
444         struct snd_pcm_substream *playback_substream;
445         struct hdsp_midi      midi[2];
446         struct tasklet_struct midi_tasklet;
447         int                   use_midi_tasklet;
448         int                   precise_ptr;
449         u32                   control_register;      /* cached value */
450         u32                   control2_register;     /* cached value */
451         u32                   creg_spdif;
452         u32                   creg_spdif_stream;
453         int                   clock_source_locked;
454         char                 *card_name;             /* digiface/multiface */
455         enum HDSP_IO_Type     io_type;               /* ditto, but for code use */
456         unsigned short        firmware_rev;
457         unsigned short        state;                 /* stores state bits */
458         u32                   firmware_cache[24413]; /* this helps recover from accidental iobox power failure */
459         size_t                period_bytes;          /* guess what this is */
460         unsigned char         max_channels;
461         unsigned char         qs_in_channels;        /* quad speed mode for H9632 */
462         unsigned char         ds_in_channels;
463         unsigned char         ss_in_channels;       /* different for multiface/digiface */
464         unsigned char         qs_out_channels;
465         unsigned char         ds_out_channels;
466         unsigned char         ss_out_channels;
467
468         struct snd_dma_buffer capture_dma_buf;
469         struct snd_dma_buffer playback_dma_buf;
470         unsigned char        *capture_buffer;       /* suitably aligned address */
471         unsigned char        *playback_buffer;      /* suitably aligned address */
472
473         pid_t                 capture_pid;
474         pid_t                 playback_pid;
475         int                   running;
476         int                   system_sample_rate;
477         char                 *channel_map;
478         int                   dev;
479         int                   irq;
480         unsigned long         port;
481         void __iomem         *iobase;
482         struct snd_card *card;
483         struct snd_pcm *pcm;
484         struct snd_hwdep          *hwdep;
485         struct pci_dev       *pci;
486         struct snd_kcontrol *spdif_ctl;
487         unsigned short        mixer_matrix[HDSP_MATRIX_MIXER_SIZE];
488         unsigned int          dds_value; /* last value written to freq register */
489 };
490
491 /* These tables map the ALSA channels 1..N to the channels that we
492    need to use in order to find the relevant channel buffer. RME
493    refer to this kind of mapping as between "the ADAT channel and
494    the DMA channel." We index it using the logical audio channel,
495    and the value is the DMA channel (i.e. channel buffer number)
496    where the data for that channel can be read/written from/to.
497 */
498
499 static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
500         0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
501         18, 19, 20, 21, 22, 23, 24, 25
502 };
503
504 static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
505         /* Analog */
506         0, 1, 2, 3, 4, 5, 6, 7,
507         /* ADAT 2 */
508         16, 17, 18, 19, 20, 21, 22, 23,
509         /* SPDIF */
510         24, 25,
511         -1, -1, -1, -1, -1, -1, -1, -1
512 };
513
514 static char channel_map_ds[HDSP_MAX_CHANNELS] = {
515         /* ADAT channels are remapped */
516         1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
517         /* channels 12 and 13 are S/PDIF */
518         24, 25,
519         /* others don't exist */
520         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
521 };
522
523 static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
524         /* ADAT channels */
525         0, 1, 2, 3, 4, 5, 6, 7,
526         /* SPDIF */
527         8, 9,
528         /* Analog */
529         10, 11,
530         /* AO4S-192 and AI4S-192 extension boards */
531         12, 13, 14, 15,
532         /* others don't exist */
533         -1, -1, -1, -1, -1, -1, -1, -1,
534         -1, -1
535 };
536
537 static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
538         /* ADAT */
539         1, 3, 5, 7,
540         /* SPDIF */
541         8, 9,
542         /* Analog */
543         10, 11,
544         /* AO4S-192 and AI4S-192 extension boards */
545         12, 13, 14, 15,
546         /* others don't exist */
547         -1, -1, -1, -1, -1, -1, -1, -1,
548         -1, -1, -1, -1, -1, -1
549 };
550
551 static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
552         /* ADAT is disabled in this mode */
553         /* SPDIF */
554         8, 9,
555         /* Analog */
556         10, 11,
557         /* AO4S-192 and AI4S-192 extension boards */
558         12, 13, 14, 15,
559         /* others don't exist */
560         -1, -1, -1, -1, -1, -1, -1, -1,
561         -1, -1, -1, -1, -1, -1, -1, -1,
562         -1, -1
563 };
564
565 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
566 {
567         dmab->dev.type = SNDRV_DMA_TYPE_DEV;
568         dmab->dev.dev = snd_dma_pci_data(pci);
569         if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
570                 if (dmab->bytes >= size)
571                         return 0;
572         }
573         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
574                                 size, dmab) < 0)
575                 return -ENOMEM;
576         return 0;
577 }
578
579 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
580 {
581         if (dmab->area) {
582                 dmab->dev.dev = NULL; /* make it anonymous */
583                 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
584         }
585 }
586
587
588 static struct pci_device_id snd_hdsp_ids[] = {
589         {
590                 .vendor = PCI_VENDOR_ID_XILINX,
591                 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP,
592                 .subvendor = PCI_ANY_ID,
593                 .subdevice = PCI_ANY_ID,
594         }, /* RME Hammerfall-DSP */
595         { 0, },
596 };
597
598 MODULE_DEVICE_TABLE(pci, snd_hdsp_ids);
599
600 /* prototypes */
601 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp);
602 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp);
603 static int snd_hdsp_enable_io (struct hdsp *hdsp);
604 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp);
605 static void snd_hdsp_initialize_channels (struct hdsp *hdsp);
606 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout);
607 static int hdsp_autosync_ref(struct hdsp *hdsp);
608 static int snd_hdsp_set_defaults(struct hdsp *hdsp);
609 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp);
610
611 static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out)
612 {
613         switch (hdsp->io_type) {
614         case Multiface:
615         case Digiface:
616         default:
617                 if (hdsp->firmware_rev == 0xa)
618                         return (64 * out) + (32 + (in));
619                 else
620                         return (52 * out) + (26 + (in));
621         case H9632:
622                 return (32 * out) + (16 + (in));
623         case H9652:
624                 return (52 * out) + (26 + (in));
625         }
626 }
627
628 static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out)
629 {
630         switch (hdsp->io_type) {
631         case Multiface:
632         case Digiface:
633         default:
634                 if (hdsp->firmware_rev == 0xa)
635                         return (64 * out) + in;
636                 else
637                         return (52 * out) + in;
638         case H9632:
639                 return (32 * out) + in;
640         case H9652:
641                 return (52 * out) + in;
642         }
643 }
644
645 static void hdsp_write(struct hdsp *hdsp, int reg, int val)
646 {
647         writel(val, hdsp->iobase + reg);
648 }
649
650 static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
651 {
652         return readl (hdsp->iobase + reg);
653 }
654
655 static int hdsp_check_for_iobox (struct hdsp *hdsp)
656 {
657         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
658         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
659                 snd_printk ("Hammerfall-DSP: no Digiface or Multiface connected!\n");
660                 hdsp->state &= ~HDSP_FirmwareLoaded;
661                 return -EIO;
662         }
663         return 0;
664 }
665
666 static int hdsp_wait_for_iobox(struct hdsp *hdsp, unsigned int loops,
667                                unsigned int delay)
668 {
669         unsigned int i;
670
671         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
672                 return 0;
673
674         for (i = 0; i != loops; ++i) {
675                 if (hdsp_read(hdsp, HDSP_statusRegister) & HDSP_ConfigError)
676                         msleep(delay);
677                 else {
678                         snd_printd("Hammerfall-DSP: iobox found after %ums!\n",
679                                    i * delay);
680                         return 0;
681                 }
682         }
683
684         snd_printk("Hammerfall-DSP: no Digiface or Multiface connected!\n");
685         hdsp->state &= ~HDSP_FirmwareLoaded;
686         return -EIO;
687 }
688
689 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
690
691         int i;
692         unsigned long flags;
693
694         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
695
696                 snd_printk ("Hammerfall-DSP: loading firmware\n");
697
698                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
699                 hdsp_write (hdsp, HDSP_fifoData, 0);
700
701                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
702                         snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
703                         return -EIO;
704                 }
705
706                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
707
708                 for (i = 0; i < 24413; ++i) {
709                         hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
710                         if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
711                                 snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
712                                 return -EIO;
713                         }
714                 }
715
716                 ssleep(3);
717
718                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
719                         snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
720                         return -EIO;
721                 }
722
723 #ifdef SNDRV_BIG_ENDIAN
724                 hdsp->control2_register = HDSP_BIGENDIAN_MODE;
725 #else
726                 hdsp->control2_register = 0;
727 #endif
728                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
729                 snd_printk ("Hammerfall-DSP: finished firmware loading\n");
730
731         }
732         if (hdsp->state & HDSP_InitializationComplete) {
733                 snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
734                 spin_lock_irqsave(&hdsp->lock, flags);
735                 snd_hdsp_set_defaults(hdsp);
736                 spin_unlock_irqrestore(&hdsp->lock, flags);
737         }
738
739         hdsp->state |= HDSP_FirmwareLoaded;
740
741         return 0;
742 }
743
744 static int hdsp_get_iobox_version (struct hdsp *hdsp)
745 {
746         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
747
748                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
749                 hdsp_write (hdsp, HDSP_fifoData, 0);
750                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
751                         return -EIO;
752
753                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
754                 hdsp_write (hdsp, HDSP_fifoData, 0);
755
756                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT)) {
757                         hdsp->io_type = Multiface;
758                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_VERSION_BIT);
759                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
760                         hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT);
761                 } else {
762                         hdsp->io_type = Digiface;
763                 }
764         } else {
765                 /* firmware was already loaded, get iobox type */
766                 if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
767                         hdsp->io_type = Multiface;
768                 else
769                         hdsp->io_type = Digiface;
770         }
771         return 0;
772 }
773
774
775 #ifdef HDSP_FW_LOADER
776 static int hdsp_request_fw_loader(struct hdsp *hdsp);
777 #endif
778
779 static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
780 {
781         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
782                 return 0;
783         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
784                 hdsp->state &= ~HDSP_FirmwareLoaded;
785                 if (! load_on_demand)
786                         return -EIO;
787                 snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
788                 /* try to load firmware */
789                 if (! (hdsp->state & HDSP_FirmwareCached)) {
790 #ifdef HDSP_FW_LOADER
791                         if (! hdsp_request_fw_loader(hdsp))
792                                 return 0;
793 #endif
794                         snd_printk(KERN_ERR
795                                    "Hammerfall-DSP: No firmware loaded nor "
796                                    "cached, please upload firmware.\n");
797                         return -EIO;
798                 }
799                 if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
800                         snd_printk(KERN_ERR
801                                    "Hammerfall-DSP: Firmware loading from "
802                                    "cache failed, please upload manually.\n");
803                         return -EIO;
804                 }
805         }
806         return 0;
807 }
808
809
810 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
811 {
812         int i;
813
814         /* the fifoStatus registers reports on how many words
815            are available in the command FIFO.
816         */
817
818         for (i = 0; i < timeout; i++) {
819
820                 if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
821                         return 0;
822
823                 /* not very friendly, but we only do this during a firmware
824                    load and changing the mixer, so we just put up with it.
825                 */
826
827                 udelay (100);
828         }
829
830         snd_printk ("Hammerfall-DSP: wait for FIFO status <= %d failed after %d iterations\n",
831                     count, timeout);
832         return -1;
833 }
834
835 static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr)
836 {
837         if (addr >= HDSP_MATRIX_MIXER_SIZE)
838                 return 0;
839
840         return hdsp->mixer_matrix[addr];
841 }
842
843 static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data)
844 {
845         unsigned int ad;
846
847         if (addr >= HDSP_MATRIX_MIXER_SIZE)
848                 return -1;
849
850         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
851
852                 /* from martin bjornsen:
853
854                    "You can only write dwords to the
855                    mixer memory which contain two
856                    mixer values in the low and high
857                    word. So if you want to change
858                    value 0 you have to read value 1
859                    from the cache and write both to
860                    the first dword in the mixer
861                    memory."
862                 */
863
864                 if (hdsp->io_type == H9632 && addr >= 512)
865                         return 0;
866
867                 if (hdsp->io_type == H9652 && addr >= 1352)
868                         return 0;
869
870                 hdsp->mixer_matrix[addr] = data;
871
872
873                 /* `addr' addresses a 16-bit wide address, but
874                    the address space accessed via hdsp_write
875                    uses byte offsets. put another way, addr
876                    varies from 0 to 1351, but to access the
877                    corresponding memory location, we need
878                    to access 0 to 2703 ...
879                 */
880                 ad = addr/2;
881
882                 hdsp_write (hdsp, 4096 + (ad*4),
883                             (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) +
884                             hdsp->mixer_matrix[addr&0x7fe]);
885
886                 return 0;
887
888         } else {
889
890                 ad = (addr << 16) + data;
891
892                 if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
893                         return -1;
894
895                 hdsp_write (hdsp, HDSP_fifoData, ad);
896                 hdsp->mixer_matrix[addr] = data;
897
898         }
899
900         return 0;
901 }
902
903 static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
904 {
905         unsigned long flags;
906         int ret = 1;
907
908         spin_lock_irqsave(&hdsp->lock, flags);
909         if ((hdsp->playback_pid != hdsp->capture_pid) &&
910             (hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0))
911                 ret = 0;
912         spin_unlock_irqrestore(&hdsp->lock, flags);
913         return ret;
914 }
915
916 static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
917 {
918         unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
919         unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);
920
921         /* For the 9632, the mask is different */
922         if (hdsp->io_type == H9632)
923                  rate_bits = (status & HDSP_spdifFrequencyMask_9632);
924
925         if (status & HDSP_SPDIFErrorFlag)
926                 return 0;
927
928         switch (rate_bits) {
929         case HDSP_spdifFrequency32KHz: return 32000;
930         case HDSP_spdifFrequency44_1KHz: return 44100;
931         case HDSP_spdifFrequency48KHz: return 48000;
932         case HDSP_spdifFrequency64KHz: return 64000;
933         case HDSP_spdifFrequency88_2KHz: return 88200;
934         case HDSP_spdifFrequency96KHz: return 96000;
935         case HDSP_spdifFrequency128KHz:
936                 if (hdsp->io_type == H9632) return 128000;
937                 break;
938         case HDSP_spdifFrequency176_4KHz:
939                 if (hdsp->io_type == H9632) return 176400;
940                 break;
941         case HDSP_spdifFrequency192KHz:
942                 if (hdsp->io_type == H9632) return 192000;
943                 break;
944         default:
945                 break;
946         }
947         snd_printk ("Hammerfall-DSP: unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", rate_bits, status);
948         return 0;
949 }
950
951 static int hdsp_external_sample_rate(struct hdsp *hdsp)
952 {
953         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
954         unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;
955
956         /* For the 9632 card, there seems to be no bit for indicating external
957          * sample rate greater than 96kHz. The card reports the corresponding
958          * single speed. So the best means seems to get spdif rate when
959          * autosync reference is spdif */
960         if (hdsp->io_type == H9632 &&
961             hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF)
962                  return hdsp_spdif_sample_rate(hdsp);
963
964         switch (rate_bits) {
965         case HDSP_systemFrequency32:   return 32000;
966         case HDSP_systemFrequency44_1: return 44100;
967         case HDSP_systemFrequency48:   return 48000;
968         case HDSP_systemFrequency64:   return 64000;
969         case HDSP_systemFrequency88_2: return 88200;
970         case HDSP_systemFrequency96:   return 96000;
971         default:
972                 return 0;
973         }
974 }
975
976 static void hdsp_compute_period_size(struct hdsp *hdsp)
977 {
978         hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
979 }
980
981 static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp)
982 {
983         int position;
984
985         position = hdsp_read(hdsp, HDSP_statusRegister);
986
987         if (!hdsp->precise_ptr)
988                 return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0;
989
990         position &= HDSP_BufferPositionMask;
991         position /= 4;
992         position &= (hdsp->period_bytes/2) - 1;
993         return position;
994 }
995
996 static void hdsp_reset_hw_pointer(struct hdsp *hdsp)
997 {
998         hdsp_write (hdsp, HDSP_resetPointer, 0);
999         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1000                 /* HDSP_resetPointer = HDSP_freqReg, which is strange and
1001                  * requires (?) to write again DDS value after a reset pointer
1002                  * (at least, it works like this) */
1003                 hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value);
1004 }
1005
1006 static void hdsp_start_audio(struct hdsp *s)
1007 {
1008         s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start);
1009         hdsp_write(s, HDSP_controlRegister, s->control_register);
1010 }
1011
1012 static void hdsp_stop_audio(struct hdsp *s)
1013 {
1014         s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable);
1015         hdsp_write(s, HDSP_controlRegister, s->control_register);
1016 }
1017
1018 static void hdsp_silence_playback(struct hdsp *hdsp)
1019 {
1020         memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES);
1021 }
1022
1023 static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames)
1024 {
1025         int n;
1026
1027         spin_lock_irq(&s->lock);
1028
1029         frames >>= 7;
1030         n = 0;
1031         while (frames) {
1032                 n++;
1033                 frames >>= 1;
1034         }
1035
1036         s->control_register &= ~HDSP_LatencyMask;
1037         s->control_register |= hdsp_encode_latency(n);
1038
1039         hdsp_write(s, HDSP_controlRegister, s->control_register);
1040
1041         hdsp_compute_period_size(s);
1042
1043         spin_unlock_irq(&s->lock);
1044
1045         return 0;
1046 }
1047
1048 static void hdsp_set_dds_value(struct hdsp *hdsp, int rate)
1049 {
1050         u64 n;
1051
1052         if (rate >= 112000)
1053                 rate /= 4;
1054         else if (rate >= 56000)
1055                 rate /= 2;
1056
1057         n = DDS_NUMERATOR;
1058         n = div_u64(n, rate);
1059         /* n should be less than 2^32 for being written to FREQ register */
1060         snd_BUG_ON(n >> 32);
1061         /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS
1062            value to write it after a reset */
1063         hdsp->dds_value = n;
1064         hdsp_write(hdsp, HDSP_freqReg, hdsp->dds_value);
1065 }
1066
1067 static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
1068 {
1069         int reject_if_open = 0;
1070         int current_rate;
1071         int rate_bits;
1072
1073         /* ASSUMPTION: hdsp->lock is either held, or
1074            there is no need for it (e.g. during module
1075            initialization).
1076         */
1077
1078         if (!(hdsp->control_register & HDSP_ClockModeMaster)) {
1079                 if (called_internally) {
1080                         /* request from ctl or card initialization */
1081                         snd_printk(KERN_ERR "Hammerfall-DSP: device is not running as a clock master: cannot set sample rate.\n");
1082                         return -1;
1083                 } else {
1084                         /* hw_param request while in AutoSync mode */
1085                         int external_freq = hdsp_external_sample_rate(hdsp);
1086                         int spdif_freq = hdsp_spdif_sample_rate(hdsp);
1087
1088                         if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1089                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in double speed mode\n");
1090                         else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1091                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");
1092                         else if (rate != external_freq) {
1093                                 snd_printk(KERN_INFO "Hammerfall-DSP: No AutoSync source for requested rate\n");
1094                                 return -1;
1095                         }
1096                 }
1097         }
1098
1099         current_rate = hdsp->system_sample_rate;
1100
1101         /* Changing from a "single speed" to a "double speed" rate is
1102            not allowed if any substreams are open. This is because
1103            such a change causes a shift in the location of
1104            the DMA buffers and a reduction in the number of available
1105            buffers.
1106
1107            Note that a similar but essentially insoluble problem
1108            exists for externally-driven rate changes. All we can do
1109            is to flag rate changes in the read/write routines.  */
1110
1111         if (rate > 96000 && hdsp->io_type != H9632)
1112                 return -EINVAL;
1113
1114         switch (rate) {
1115         case 32000:
1116                 if (current_rate > 48000)
1117                         reject_if_open = 1;
1118                 rate_bits = HDSP_Frequency32KHz;
1119                 break;
1120         case 44100:
1121                 if (current_rate > 48000)
1122                         reject_if_open = 1;
1123                 rate_bits = HDSP_Frequency44_1KHz;
1124                 break;
1125         case 48000:
1126                 if (current_rate > 48000)
1127                         reject_if_open = 1;
1128                 rate_bits = HDSP_Frequency48KHz;
1129                 break;
1130         case 64000:
1131                 if (current_rate <= 48000 || current_rate > 96000)
1132                         reject_if_open = 1;
1133                 rate_bits = HDSP_Frequency64KHz;
1134                 break;
1135         case 88200:
1136                 if (current_rate <= 48000 || current_rate > 96000)
1137                         reject_if_open = 1;
1138                 rate_bits = HDSP_Frequency88_2KHz;
1139                 break;
1140         case 96000:
1141                 if (current_rate <= 48000 || current_rate > 96000)
1142                         reject_if_open = 1;
1143                 rate_bits = HDSP_Frequency96KHz;
1144                 break;
1145         case 128000:
1146                 if (current_rate < 128000)
1147                         reject_if_open = 1;
1148                 rate_bits = HDSP_Frequency128KHz;
1149                 break;
1150         case 176400:
1151                 if (current_rate < 128000)
1152                         reject_if_open = 1;
1153                 rate_bits = HDSP_Frequency176_4KHz;
1154                 break;
1155         case 192000:
1156                 if (current_rate < 128000)
1157                         reject_if_open = 1;
1158                 rate_bits = HDSP_Frequency192KHz;
1159                 break;
1160         default:
1161                 return -EINVAL;
1162         }
1163
1164         if (reject_if_open && (hdsp->capture_pid >= 0 || hdsp->playback_pid >= 0)) {
1165                 snd_printk ("Hammerfall-DSP: cannot change speed mode (capture PID = %d, playback PID = %d)\n",
1166                             hdsp->capture_pid,
1167                             hdsp->playback_pid);
1168                 return -EBUSY;
1169         }
1170
1171         hdsp->control_register &= ~HDSP_FrequencyMask;
1172         hdsp->control_register |= rate_bits;
1173         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1174
1175         /* For HDSP9632 rev 152, need to set DDS value in FREQ register */
1176         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1177                 hdsp_set_dds_value(hdsp, rate);
1178
1179         if (rate >= 128000) {
1180                 hdsp->channel_map = channel_map_H9632_qs;
1181         } else if (rate > 48000) {
1182                 if (hdsp->io_type == H9632)
1183                         hdsp->channel_map = channel_map_H9632_ds;
1184                 else
1185                         hdsp->channel_map = channel_map_ds;
1186         } else {
1187                 switch (hdsp->io_type) {
1188                 case Multiface:
1189                         hdsp->channel_map = channel_map_mf_ss;
1190                         break;
1191                 case Digiface:
1192                 case H9652:
1193                         hdsp->channel_map = channel_map_df_ss;
1194                         break;
1195                 case H9632:
1196                         hdsp->channel_map = channel_map_H9632_ss;
1197                         break;
1198                 default:
1199                         /* should never happen */
1200                         break;
1201                 }
1202         }
1203
1204         hdsp->system_sample_rate = rate;
1205
1206         return 0;
1207 }
1208
1209 /*----------------------------------------------------------------------------
1210    MIDI
1211   ----------------------------------------------------------------------------*/
1212
1213 static unsigned char snd_hdsp_midi_read_byte (struct hdsp *hdsp, int id)
1214 {
1215         /* the hardware already does the relevant bit-mask with 0xff */
1216         if (id)
1217                 return hdsp_read(hdsp, HDSP_midiDataIn1);
1218         else
1219                 return hdsp_read(hdsp, HDSP_midiDataIn0);
1220 }
1221
1222 static void snd_hdsp_midi_write_byte (struct hdsp *hdsp, int id, int val)
1223 {
1224         /* the hardware already does the relevant bit-mask with 0xff */
1225         if (id)
1226                 hdsp_write(hdsp, HDSP_midiDataOut1, val);
1227         else
1228                 hdsp_write(hdsp, HDSP_midiDataOut0, val);
1229 }
1230
1231 static int snd_hdsp_midi_input_available (struct hdsp *hdsp, int id)
1232 {
1233         if (id)
1234                 return (hdsp_read(hdsp, HDSP_midiStatusIn1) & 0xff);
1235         else
1236                 return (hdsp_read(hdsp, HDSP_midiStatusIn0) & 0xff);
1237 }
1238
1239 static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id)
1240 {
1241         int fifo_bytes_used;
1242
1243         if (id)
1244                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut1) & 0xff;
1245         else
1246                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut0) & 0xff;
1247
1248         if (fifo_bytes_used < 128)
1249                 return  128 - fifo_bytes_used;
1250         else
1251                 return 0;
1252 }
1253
1254 static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id)
1255 {
1256         while (snd_hdsp_midi_input_available (hdsp, id))
1257                 snd_hdsp_midi_read_byte (hdsp, id);
1258 }
1259
1260 static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi)
1261 {
1262         unsigned long flags;
1263         int n_pending;
1264         int to_write;
1265         int i;
1266         unsigned char buf[128];
1267
1268         /* Output is not interrupt driven */
1269
1270         spin_lock_irqsave (&hmidi->lock, flags);
1271         if (hmidi->output) {
1272                 if (!snd_rawmidi_transmit_empty (hmidi->output)) {
1273                         if ((n_pending = snd_hdsp_midi_output_possible (hmidi->hdsp, hmidi->id)) > 0) {
1274                                 if (n_pending > (int)sizeof (buf))
1275                                         n_pending = sizeof (buf);
1276
1277                                 if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
1278                                         for (i = 0; i < to_write; ++i)
1279                                                 snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]);
1280                                 }
1281                         }
1282                 }
1283         }
1284         spin_unlock_irqrestore (&hmidi->lock, flags);
1285         return 0;
1286 }
1287
1288 static int snd_hdsp_midi_input_read (struct hdsp_midi *hmidi)
1289 {
1290         unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
1291         unsigned long flags;
1292         int n_pending;
1293         int i;
1294
1295         spin_lock_irqsave (&hmidi->lock, flags);
1296         if ((n_pending = snd_hdsp_midi_input_available (hmidi->hdsp, hmidi->id)) > 0) {
1297                 if (hmidi->input) {
1298                         if (n_pending > (int)sizeof (buf))
1299                                 n_pending = sizeof (buf);
1300                         for (i = 0; i < n_pending; ++i)
1301                                 buf[i] = snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1302                         if (n_pending)
1303                                 snd_rawmidi_receive (hmidi->input, buf, n_pending);
1304                 } else {
1305                         /* flush the MIDI input FIFO */
1306                         while (--n_pending)
1307                                 snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1308                 }
1309         }
1310         hmidi->pending = 0;
1311         if (hmidi->id)
1312                 hmidi->hdsp->control_register |= HDSP_Midi1InterruptEnable;
1313         else
1314                 hmidi->hdsp->control_register |= HDSP_Midi0InterruptEnable;
1315         hdsp_write(hmidi->hdsp, HDSP_controlRegister, hmidi->hdsp->control_register);
1316         spin_unlock_irqrestore (&hmidi->lock, flags);
1317         return snd_hdsp_midi_output_write (hmidi);
1318 }
1319
1320 static void snd_hdsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1321 {
1322         struct hdsp *hdsp;
1323         struct hdsp_midi *hmidi;
1324         unsigned long flags;
1325         u32 ie;
1326
1327         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1328         hdsp = hmidi->hdsp;
1329         ie = hmidi->id ? HDSP_Midi1InterruptEnable : HDSP_Midi0InterruptEnable;
1330         spin_lock_irqsave (&hdsp->lock, flags);
1331         if (up) {
1332                 if (!(hdsp->control_register & ie)) {
1333                         snd_hdsp_flush_midi_input (hdsp, hmidi->id);
1334                         hdsp->control_register |= ie;
1335                 }
1336         } else {
1337                 hdsp->control_register &= ~ie;
1338                 tasklet_kill(&hdsp->midi_tasklet);
1339         }
1340
1341         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1342         spin_unlock_irqrestore (&hdsp->lock, flags);
1343 }
1344
1345 static void snd_hdsp_midi_output_timer(unsigned long data)
1346 {
1347         struct hdsp_midi *hmidi = (struct hdsp_midi *) data;
1348         unsigned long flags;
1349
1350         snd_hdsp_midi_output_write(hmidi);
1351         spin_lock_irqsave (&hmidi->lock, flags);
1352
1353         /* this does not bump hmidi->istimer, because the
1354            kernel automatically removed the timer when it
1355            expired, and we are now adding it back, thus
1356            leaving istimer wherever it was set before.
1357         */
1358
1359         if (hmidi->istimer) {
1360                 hmidi->timer.expires = 1 + jiffies;
1361                 add_timer(&hmidi->timer);
1362         }
1363
1364         spin_unlock_irqrestore (&hmidi->lock, flags);
1365 }
1366
1367 static void snd_hdsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1368 {
1369         struct hdsp_midi *hmidi;
1370         unsigned long flags;
1371
1372         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1373         spin_lock_irqsave (&hmidi->lock, flags);
1374         if (up) {
1375                 if (!hmidi->istimer) {
1376                         init_timer(&hmidi->timer);
1377                         hmidi->timer.function = snd_hdsp_midi_output_timer;
1378                         hmidi->timer.data = (unsigned long) hmidi;
1379                         hmidi->timer.expires = 1 + jiffies;
1380                         add_timer(&hmidi->timer);
1381                         hmidi->istimer++;
1382                 }
1383         } else {
1384                 if (hmidi->istimer && --hmidi->istimer <= 0)
1385                         del_timer (&hmidi->timer);
1386         }
1387         spin_unlock_irqrestore (&hmidi->lock, flags);
1388         if (up)
1389                 snd_hdsp_midi_output_write(hmidi);
1390 }
1391
1392 static int snd_hdsp_midi_input_open(struct snd_rawmidi_substream *substream)
1393 {
1394         struct hdsp_midi *hmidi;
1395
1396         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1397         spin_lock_irq (&hmidi->lock);
1398         snd_hdsp_flush_midi_input (hmidi->hdsp, hmidi->id);
1399         hmidi->input = substream;
1400         spin_unlock_irq (&hmidi->lock);
1401
1402         return 0;
1403 }
1404
1405 static int snd_hdsp_midi_output_open(struct snd_rawmidi_substream *substream)
1406 {
1407         struct hdsp_midi *hmidi;
1408
1409         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1410         spin_lock_irq (&hmidi->lock);
1411         hmidi->output = substream;
1412         spin_unlock_irq (&hmidi->lock);
1413
1414         return 0;
1415 }
1416
1417 static int snd_hdsp_midi_input_close(struct snd_rawmidi_substream *substream)
1418 {
1419         struct hdsp_midi *hmidi;
1420
1421         snd_hdsp_midi_input_trigger (substream, 0);
1422
1423         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1424         spin_lock_irq (&hmidi->lock);
1425         hmidi->input = NULL;
1426         spin_unlock_irq (&hmidi->lock);
1427
1428         return 0;
1429 }
1430
1431 static int snd_hdsp_midi_output_close(struct snd_rawmidi_substream *substream)
1432 {
1433         struct hdsp_midi *hmidi;
1434
1435         snd_hdsp_midi_output_trigger (substream, 0);
1436
1437         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1438         spin_lock_irq (&hmidi->lock);
1439         hmidi->output = NULL;
1440         spin_unlock_irq (&hmidi->lock);
1441
1442         return 0;
1443 }
1444
1445 static struct snd_rawmidi_ops snd_hdsp_midi_output =
1446 {
1447         .open =         snd_hdsp_midi_output_open,
1448         .close =        snd_hdsp_midi_output_close,
1449         .trigger =      snd_hdsp_midi_output_trigger,
1450 };
1451
1452 static struct snd_rawmidi_ops snd_hdsp_midi_input =
1453 {
1454         .open =         snd_hdsp_midi_input_open,
1455         .close =        snd_hdsp_midi_input_close,
1456         .trigger =      snd_hdsp_midi_input_trigger,
1457 };
1458
1459 static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id)
1460 {
1461         char buf[32];
1462
1463         hdsp->midi[id].id = id;
1464         hdsp->midi[id].rmidi = NULL;
1465         hdsp->midi[id].input = NULL;
1466         hdsp->midi[id].output = NULL;
1467         hdsp->midi[id].hdsp = hdsp;
1468         hdsp->midi[id].istimer = 0;
1469         hdsp->midi[id].pending = 0;
1470         spin_lock_init (&hdsp->midi[id].lock);
1471
1472         sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1473         if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0)
1474                 return -1;
1475
1476         sprintf(hdsp->midi[id].rmidi->name, "HDSP MIDI %d", id+1);
1477         hdsp->midi[id].rmidi->private_data = &hdsp->midi[id];
1478
1479         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output);
1480         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdsp_midi_input);
1481
1482         hdsp->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1483                 SNDRV_RAWMIDI_INFO_INPUT |
1484                 SNDRV_RAWMIDI_INFO_DUPLEX;
1485
1486         return 0;
1487 }
1488
1489 /*-----------------------------------------------------------------------------
1490   Control Interface
1491   ----------------------------------------------------------------------------*/
1492
1493 static u32 snd_hdsp_convert_from_aes(struct snd_aes_iec958 *aes)
1494 {
1495         u32 val = 0;
1496         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? HDSP_SPDIFProfessional : 0;
1497         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? HDSP_SPDIFNonAudio : 0;
1498         if (val & HDSP_SPDIFProfessional)
1499                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1500         else
1501                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1502         return val;
1503 }
1504
1505 static void snd_hdsp_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
1506 {
1507         aes->status[0] = ((val & HDSP_SPDIFProfessional) ? IEC958_AES0_PROFESSIONAL : 0) |
1508                          ((val & HDSP_SPDIFNonAudio) ? IEC958_AES0_NONAUDIO : 0);
1509         if (val & HDSP_SPDIFProfessional)
1510                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
1511         else
1512                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
1513 }
1514
1515 static int snd_hdsp_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1516 {
1517         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1518         uinfo->count = 1;
1519         return 0;
1520 }
1521
1522 static int snd_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1523 {
1524         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1525
1526         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif);
1527         return 0;
1528 }
1529
1530 static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1531 {
1532         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1533         int change;
1534         u32 val;
1535
1536         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1537         spin_lock_irq(&hdsp->lock);
1538         change = val != hdsp->creg_spdif;
1539         hdsp->creg_spdif = val;
1540         spin_unlock_irq(&hdsp->lock);
1541         return change;
1542 }
1543
1544 static int snd_hdsp_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1545 {
1546         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1547         uinfo->count = 1;
1548         return 0;
1549 }
1550
1551 static int snd_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1552 {
1553         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1554
1555         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream);
1556         return 0;
1557 }
1558
1559 static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1560 {
1561         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1562         int change;
1563         u32 val;
1564
1565         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1566         spin_lock_irq(&hdsp->lock);
1567         change = val != hdsp->creg_spdif_stream;
1568         hdsp->creg_spdif_stream = val;
1569         hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
1570         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= val);
1571         spin_unlock_irq(&hdsp->lock);
1572         return change;
1573 }
1574
1575 static int snd_hdsp_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1576 {
1577         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1578         uinfo->count = 1;
1579         return 0;
1580 }
1581
1582 static int snd_hdsp_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1583 {
1584         ucontrol->value.iec958.status[0] = kcontrol->private_value;
1585         return 0;
1586 }
1587
1588 #define HDSP_SPDIF_IN(xname, xindex) \
1589 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1590   .name = xname, \
1591   .index = xindex, \
1592   .info = snd_hdsp_info_spdif_in, \
1593   .get = snd_hdsp_get_spdif_in, \
1594   .put = snd_hdsp_put_spdif_in }
1595
1596 static unsigned int hdsp_spdif_in(struct hdsp *hdsp)
1597 {
1598         return hdsp_decode_spdif_in(hdsp->control_register & HDSP_SPDIFInputMask);
1599 }
1600
1601 static int hdsp_set_spdif_input(struct hdsp *hdsp, int in)
1602 {
1603         hdsp->control_register &= ~HDSP_SPDIFInputMask;
1604         hdsp->control_register |= hdsp_encode_spdif_in(in);
1605         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1606         return 0;
1607 }
1608
1609 static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1610 {
1611         static char *texts[4] = {"Optical", "Coaxial", "Internal", "AES"};
1612         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1613
1614         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1615         uinfo->count = 1;
1616         uinfo->value.enumerated.items = ((hdsp->io_type == H9632) ? 4 : 3);
1617         if (uinfo->value.enumerated.item > ((hdsp->io_type == H9632) ? 3 : 2))
1618                 uinfo->value.enumerated.item = ((hdsp->io_type == H9632) ? 3 : 2);
1619         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1620         return 0;
1621 }
1622
1623 static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1624 {
1625         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1626
1627         ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp);
1628         return 0;
1629 }
1630
1631 static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1632 {
1633         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1634         int change;
1635         unsigned int val;
1636
1637         if (!snd_hdsp_use_is_exclusive(hdsp))
1638                 return -EBUSY;
1639         val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3);
1640         spin_lock_irq(&hdsp->lock);
1641         change = val != hdsp_spdif_in(hdsp);
1642         if (change)
1643                 hdsp_set_spdif_input(hdsp, val);
1644         spin_unlock_irq(&hdsp->lock);
1645         return change;
1646 }
1647
1648 #define HDSP_SPDIF_OUT(xname, xindex) \
1649 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1650   .info = snd_hdsp_info_spdif_bits, \
1651   .get = snd_hdsp_get_spdif_out, .put = snd_hdsp_put_spdif_out }
1652
1653 static int hdsp_spdif_out(struct hdsp *hdsp)
1654 {
1655         return (hdsp->control_register & HDSP_SPDIFOpticalOut) ? 1 : 0;
1656 }
1657
1658 static int hdsp_set_spdif_output(struct hdsp *hdsp, int out)
1659 {
1660         if (out)
1661                 hdsp->control_register |= HDSP_SPDIFOpticalOut;
1662         else
1663                 hdsp->control_register &= ~HDSP_SPDIFOpticalOut;
1664         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1665         return 0;
1666 }
1667
1668 #define snd_hdsp_info_spdif_bits        snd_ctl_boolean_mono_info
1669
1670 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1671 {
1672         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1673
1674         ucontrol->value.integer.value[0] = hdsp_spdif_out(hdsp);
1675         return 0;
1676 }
1677
1678 static int snd_hdsp_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1679 {
1680         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1681         int change;
1682         unsigned int val;
1683
1684         if (!snd_hdsp_use_is_exclusive(hdsp))
1685                 return -EBUSY;
1686         val = ucontrol->value.integer.value[0] & 1;
1687         spin_lock_irq(&hdsp->lock);
1688         change = (int)val != hdsp_spdif_out(hdsp);
1689         hdsp_set_spdif_output(hdsp, val);
1690         spin_unlock_irq(&hdsp->lock);
1691         return change;
1692 }
1693
1694 #define HDSP_SPDIF_PROFESSIONAL(xname, xindex) \
1695 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1696   .info = snd_hdsp_info_spdif_bits, \
1697   .get = snd_hdsp_get_spdif_professional, .put = snd_hdsp_put_spdif_professional }
1698
1699 static int hdsp_spdif_professional(struct hdsp *hdsp)
1700 {
1701         return (hdsp->control_register & HDSP_SPDIFProfessional) ? 1 : 0;
1702 }
1703
1704 static int hdsp_set_spdif_professional(struct hdsp *hdsp, int val)
1705 {
1706         if (val)
1707                 hdsp->control_register |= HDSP_SPDIFProfessional;
1708         else
1709                 hdsp->control_register &= ~HDSP_SPDIFProfessional;
1710         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1711         return 0;
1712 }
1713
1714 static int snd_hdsp_get_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1715 {
1716         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1717
1718         ucontrol->value.integer.value[0] = hdsp_spdif_professional(hdsp);
1719         return 0;
1720 }
1721
1722 static int snd_hdsp_put_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1723 {
1724         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1725         int change;
1726         unsigned int val;
1727
1728         if (!snd_hdsp_use_is_exclusive(hdsp))
1729                 return -EBUSY;
1730         val = ucontrol->value.integer.value[0] & 1;
1731         spin_lock_irq(&hdsp->lock);
1732         change = (int)val != hdsp_spdif_professional(hdsp);
1733         hdsp_set_spdif_professional(hdsp, val);
1734         spin_unlock_irq(&hdsp->lock);
1735         return change;
1736 }
1737
1738 #define HDSP_SPDIF_EMPHASIS(xname, xindex) \
1739 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1740   .info = snd_hdsp_info_spdif_bits, \
1741   .get = snd_hdsp_get_spdif_emphasis, .put = snd_hdsp_put_spdif_emphasis }
1742
1743 static int hdsp_spdif_emphasis(struct hdsp *hdsp)
1744 {
1745         return (hdsp->control_register & HDSP_SPDIFEmphasis) ? 1 : 0;
1746 }
1747
1748 static int hdsp_set_spdif_emphasis(struct hdsp *hdsp, int val)
1749 {
1750         if (val)
1751                 hdsp->control_register |= HDSP_SPDIFEmphasis;
1752         else
1753                 hdsp->control_register &= ~HDSP_SPDIFEmphasis;
1754         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1755         return 0;
1756 }
1757
1758 static int snd_hdsp_get_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1759 {
1760         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1761
1762         ucontrol->value.integer.value[0] = hdsp_spdif_emphasis(hdsp);
1763         return 0;
1764 }
1765
1766 static int snd_hdsp_put_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1767 {
1768         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1769         int change;
1770         unsigned int val;
1771
1772         if (!snd_hdsp_use_is_exclusive(hdsp))
1773                 return -EBUSY;
1774         val = ucontrol->value.integer.value[0] & 1;
1775         spin_lock_irq(&hdsp->lock);
1776         change = (int)val != hdsp_spdif_emphasis(hdsp);
1777         hdsp_set_spdif_emphasis(hdsp, val);
1778         spin_unlock_irq(&hdsp->lock);
1779         return change;
1780 }
1781
1782 #define HDSP_SPDIF_NON_AUDIO(xname, xindex) \
1783 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1784   .info = snd_hdsp_info_spdif_bits, \
1785   .get = snd_hdsp_get_spdif_nonaudio, .put = snd_hdsp_put_spdif_nonaudio }
1786
1787 static int hdsp_spdif_nonaudio(struct hdsp *hdsp)
1788 {
1789         return (hdsp->control_register & HDSP_SPDIFNonAudio) ? 1 : 0;
1790 }
1791
1792 static int hdsp_set_spdif_nonaudio(struct hdsp *hdsp, int val)
1793 {
1794         if (val)
1795                 hdsp->control_register |= HDSP_SPDIFNonAudio;
1796         else
1797                 hdsp->control_register &= ~HDSP_SPDIFNonAudio;
1798         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1799         return 0;
1800 }
1801
1802 static int snd_hdsp_get_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1803 {
1804         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1805
1806         ucontrol->value.integer.value[0] = hdsp_spdif_nonaudio(hdsp);
1807         return 0;
1808 }
1809
1810 static int snd_hdsp_put_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1811 {
1812         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1813         int change;
1814         unsigned int val;
1815
1816         if (!snd_hdsp_use_is_exclusive(hdsp))
1817                 return -EBUSY;
1818         val = ucontrol->value.integer.value[0] & 1;
1819         spin_lock_irq(&hdsp->lock);
1820         change = (int)val != hdsp_spdif_nonaudio(hdsp);
1821         hdsp_set_spdif_nonaudio(hdsp, val);
1822         spin_unlock_irq(&hdsp->lock);
1823         return change;
1824 }
1825
1826 #define HDSP_SPDIF_SAMPLE_RATE(xname, xindex) \
1827 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1828   .name = xname, \
1829   .index = xindex, \
1830   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1831   .info = snd_hdsp_info_spdif_sample_rate, \
1832   .get = snd_hdsp_get_spdif_sample_rate \
1833 }
1834
1835 static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1836 {
1837         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1838         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1839
1840         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1841         uinfo->count = 1;
1842         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7;
1843         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1844                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1845         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1846         return 0;
1847 }
1848
1849 static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1850 {
1851         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1852
1853         switch (hdsp_spdif_sample_rate(hdsp)) {
1854         case 32000:
1855                 ucontrol->value.enumerated.item[0] = 0;
1856                 break;
1857         case 44100:
1858                 ucontrol->value.enumerated.item[0] = 1;
1859                 break;
1860         case 48000:
1861                 ucontrol->value.enumerated.item[0] = 2;
1862                 break;
1863         case 64000:
1864                 ucontrol->value.enumerated.item[0] = 3;
1865                 break;
1866         case 88200:
1867                 ucontrol->value.enumerated.item[0] = 4;
1868                 break;
1869         case 96000:
1870                 ucontrol->value.enumerated.item[0] = 5;
1871                 break;
1872         case 128000:
1873                 ucontrol->value.enumerated.item[0] = 7;
1874                 break;
1875         case 176400:
1876                 ucontrol->value.enumerated.item[0] = 8;
1877                 break;
1878         case 192000:
1879                 ucontrol->value.enumerated.item[0] = 9;
1880                 break;
1881         default:
1882                 ucontrol->value.enumerated.item[0] = 6;
1883         }
1884         return 0;
1885 }
1886
1887 #define HDSP_SYSTEM_SAMPLE_RATE(xname, xindex) \
1888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1889   .name = xname, \
1890   .index = xindex, \
1891   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1892   .info = snd_hdsp_info_system_sample_rate, \
1893   .get = snd_hdsp_get_system_sample_rate \
1894 }
1895
1896 static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1897 {
1898         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1899         uinfo->count = 1;
1900         return 0;
1901 }
1902
1903 static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1904 {
1905         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1906
1907         ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate;
1908         return 0;
1909 }
1910
1911 #define HDSP_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1912 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1913   .name = xname, \
1914   .index = xindex, \
1915   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1916   .info = snd_hdsp_info_autosync_sample_rate, \
1917   .get = snd_hdsp_get_autosync_sample_rate \
1918 }
1919
1920 static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1921 {
1922         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1923         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1924         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1925         uinfo->count = 1;
1926         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7 ;
1927         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1928                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1929         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1930         return 0;
1931 }
1932
1933 static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1934 {
1935         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1936
1937         switch (hdsp_external_sample_rate(hdsp)) {
1938         case 32000:
1939                 ucontrol->value.enumerated.item[0] = 0;
1940                 break;
1941         case 44100:
1942                 ucontrol->value.enumerated.item[0] = 1;
1943                 break;
1944         case 48000:
1945                 ucontrol->value.enumerated.item[0] = 2;
1946                 break;
1947         case 64000:
1948                 ucontrol->value.enumerated.item[0] = 3;
1949                 break;
1950         case 88200:
1951                 ucontrol->value.enumerated.item[0] = 4;
1952                 break;
1953         case 96000:
1954                 ucontrol->value.enumerated.item[0] = 5;
1955                 break;
1956         case 128000:
1957                 ucontrol->value.enumerated.item[0] = 7;
1958                 break;
1959         case 176400:
1960                 ucontrol->value.enumerated.item[0] = 8;
1961                 break;
1962         case 192000:
1963                 ucontrol->value.enumerated.item[0] = 9;
1964                 break;
1965         default:
1966                 ucontrol->value.enumerated.item[0] = 6;
1967         }
1968         return 0;
1969 }
1970
1971 #define HDSP_SYSTEM_CLOCK_MODE(xname, xindex) \
1972 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1973   .name = xname, \
1974   .index = xindex, \
1975   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1976   .info = snd_hdsp_info_system_clock_mode, \
1977   .get = snd_hdsp_get_system_clock_mode \
1978 }
1979
1980 static int hdsp_system_clock_mode(struct hdsp *hdsp)
1981 {
1982         if (hdsp->control_register & HDSP_ClockModeMaster)
1983                 return 0;
1984         else if (hdsp_external_sample_rate(hdsp) != hdsp->system_sample_rate)
1985                         return 0;
1986         return 1;
1987 }
1988
1989 static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1990 {
1991         static char *texts[] = {"Master", "Slave" };
1992
1993         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1994         uinfo->count = 1;
1995         uinfo->value.enumerated.items = 2;
1996         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1997                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1998         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1999         return 0;
2000 }
2001
2002 static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2003 {
2004         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2005
2006         ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp);
2007         return 0;
2008 }
2009
2010 #define HDSP_CLOCK_SOURCE(xname, xindex) \
2011 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2012   .name = xname, \
2013   .index = xindex, \
2014   .info = snd_hdsp_info_clock_source, \
2015   .get = snd_hdsp_get_clock_source, \
2016   .put = snd_hdsp_put_clock_source \
2017 }
2018
2019 static int hdsp_clock_source(struct hdsp *hdsp)
2020 {
2021         if (hdsp->control_register & HDSP_ClockModeMaster) {
2022                 switch (hdsp->system_sample_rate) {
2023                 case 32000:
2024                         return 1;
2025                 case 44100:
2026                         return 2;
2027                 case 48000:
2028                         return 3;
2029                 case 64000:
2030                         return 4;
2031                 case 88200:
2032                         return 5;
2033                 case 96000:
2034                         return 6;
2035                 case 128000:
2036                         return 7;
2037                 case 176400:
2038                         return 8;
2039                 case 192000:
2040                         return 9;
2041                 default:
2042                         return 3;
2043                 }
2044         } else {
2045                 return 0;
2046         }
2047 }
2048
2049 static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
2050 {
2051         int rate;
2052         switch (mode) {
2053         case HDSP_CLOCK_SOURCE_AUTOSYNC:
2054                 if (hdsp_external_sample_rate(hdsp) != 0) {
2055                     if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) {
2056                         hdsp->control_register &= ~HDSP_ClockModeMaster;
2057                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2058                         return 0;
2059                     }
2060                 }
2061                 return -1;
2062         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
2063                 rate = 32000;
2064                 break;
2065         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
2066                 rate = 44100;
2067                 break;
2068         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
2069                 rate = 48000;
2070                 break;
2071         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
2072                 rate = 64000;
2073                 break;
2074         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
2075                 rate = 88200;
2076                 break;
2077         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
2078                 rate = 96000;
2079                 break;
2080         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
2081                 rate = 128000;
2082                 break;
2083         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
2084                 rate = 176400;
2085                 break;
2086         case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
2087                 rate = 192000;
2088                 break;
2089         default:
2090                 rate = 48000;
2091         }
2092         hdsp->control_register |= HDSP_ClockModeMaster;
2093         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2094         hdsp_set_rate(hdsp, rate, 1);
2095         return 0;
2096 }
2097
2098 static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2099 {
2100         static char *texts[] = {"AutoSync", "Internal 32.0 kHz", "Internal 44.1 kHz", "Internal 48.0 kHz", "Internal 64.0 kHz", "Internal 88.2 kHz", "Internal 96.0 kHz", "Internal 128 kHz", "Internal 176.4 kHz", "Internal 192.0 KHz" };
2101         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2102
2103         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2104         uinfo->count = 1;
2105         if (hdsp->io_type == H9632)
2106             uinfo->value.enumerated.items = 10;
2107         else
2108             uinfo->value.enumerated.items = 7;
2109         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2110                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2111         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2112         return 0;
2113 }
2114
2115 static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2116 {
2117         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2118
2119         ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp);
2120         return 0;
2121 }
2122
2123 static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2124 {
2125         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2126         int change;
2127         int val;
2128
2129         if (!snd_hdsp_use_is_exclusive(hdsp))
2130                 return -EBUSY;
2131         val = ucontrol->value.enumerated.item[0];
2132         if (val < 0) val = 0;
2133         if (hdsp->io_type == H9632) {
2134                 if (val > 9)
2135                         val = 9;
2136         } else {
2137                 if (val > 6)
2138                         val = 6;
2139         }
2140         spin_lock_irq(&hdsp->lock);
2141         if (val != hdsp_clock_source(hdsp))
2142                 change = (hdsp_set_clock_source(hdsp, val) == 0) ? 1 : 0;
2143         else
2144                 change = 0;
2145         spin_unlock_irq(&hdsp->lock);
2146         return change;
2147 }
2148
2149 #define snd_hdsp_info_clock_source_lock         snd_ctl_boolean_mono_info
2150
2151 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2152 {
2153         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2154
2155         ucontrol->value.integer.value[0] = hdsp->clock_source_locked;
2156         return 0;
2157 }
2158
2159 static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2160 {
2161         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2162         int change;
2163
2164         change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked;
2165         if (change)
2166                 hdsp->clock_source_locked = !!ucontrol->value.integer.value[0];
2167         return change;
2168 }
2169
2170 #define HDSP_DA_GAIN(xname, xindex) \
2171 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2172   .name = xname, \
2173   .index = xindex, \
2174   .info = snd_hdsp_info_da_gain, \
2175   .get = snd_hdsp_get_da_gain, \
2176   .put = snd_hdsp_put_da_gain \
2177 }
2178
2179 static int hdsp_da_gain(struct hdsp *hdsp)
2180 {
2181         switch (hdsp->control_register & HDSP_DAGainMask) {
2182         case HDSP_DAGainHighGain:
2183                 return 0;
2184         case HDSP_DAGainPlus4dBu:
2185                 return 1;
2186         case HDSP_DAGainMinus10dBV:
2187                 return 2;
2188         default:
2189                 return 1;
2190         }
2191 }
2192
2193 static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
2194 {
2195         hdsp->control_register &= ~HDSP_DAGainMask;
2196         switch (mode) {
2197         case 0:
2198                 hdsp->control_register |= HDSP_DAGainHighGain;
2199                 break;
2200         case 1:
2201                 hdsp->control_register |= HDSP_DAGainPlus4dBu;
2202                 break;
2203         case 2:
2204                 hdsp->control_register |= HDSP_DAGainMinus10dBV;
2205                 break;
2206         default:
2207                 return -1;
2208
2209         }
2210         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2211         return 0;
2212 }
2213
2214 static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2215 {
2216         static char *texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"};
2217
2218         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2219         uinfo->count = 1;
2220         uinfo->value.enumerated.items = 3;
2221         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2222                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2223         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2224         return 0;
2225 }
2226
2227 static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2228 {
2229         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2230
2231         ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp);
2232         return 0;
2233 }
2234
2235 static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2236 {
2237         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2238         int change;
2239         int val;
2240
2241         if (!snd_hdsp_use_is_exclusive(hdsp))
2242                 return -EBUSY;
2243         val = ucontrol->value.enumerated.item[0];
2244         if (val < 0) val = 0;
2245         if (val > 2) val = 2;
2246         spin_lock_irq(&hdsp->lock);
2247         if (val != hdsp_da_gain(hdsp))
2248                 change = (hdsp_set_da_gain(hdsp, val) == 0) ? 1 : 0;
2249         else
2250                 change = 0;
2251         spin_unlock_irq(&hdsp->lock);
2252         return change;
2253 }
2254
2255 #define HDSP_AD_GAIN(xname, xindex) \
2256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2257   .name = xname, \
2258   .index = xindex, \
2259   .info = snd_hdsp_info_ad_gain, \
2260   .get = snd_hdsp_get_ad_gain, \
2261   .put = snd_hdsp_put_ad_gain \
2262 }
2263
2264 static int hdsp_ad_gain(struct hdsp *hdsp)
2265 {
2266         switch (hdsp->control_register & HDSP_ADGainMask) {
2267         case HDSP_ADGainMinus10dBV:
2268                 return 0;
2269         case HDSP_ADGainPlus4dBu:
2270                 return 1;
2271         case HDSP_ADGainLowGain:
2272                 return 2;
2273         default:
2274                 return 1;
2275         }
2276 }
2277
2278 static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
2279 {
2280         hdsp->control_register &= ~HDSP_ADGainMask;
2281         switch (mode) {
2282         case 0:
2283                 hdsp->control_register |= HDSP_ADGainMinus10dBV;
2284                 break;
2285         case 1:
2286                 hdsp->control_register |= HDSP_ADGainPlus4dBu;
2287                 break;
2288         case 2:
2289                 hdsp->control_register |= HDSP_ADGainLowGain;
2290                 break;
2291         default:
2292                 return -1;
2293
2294         }
2295         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2296         return 0;
2297 }
2298
2299 static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2300 {
2301         static char *texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"};
2302
2303         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2304         uinfo->count = 1;
2305         uinfo->value.enumerated.items = 3;
2306         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2307                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2308         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2309         return 0;
2310 }
2311
2312 static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2313 {
2314         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2315
2316         ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp);
2317         return 0;
2318 }
2319
2320 static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2321 {
2322         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2323         int change;
2324         int val;
2325
2326         if (!snd_hdsp_use_is_exclusive(hdsp))
2327                 return -EBUSY;
2328         val = ucontrol->value.enumerated.item[0];
2329         if (val < 0) val = 0;
2330         if (val > 2) val = 2;
2331         spin_lock_irq(&hdsp->lock);
2332         if (val != hdsp_ad_gain(hdsp))
2333                 change = (hdsp_set_ad_gain(hdsp, val) == 0) ? 1 : 0;
2334         else
2335                 change = 0;
2336         spin_unlock_irq(&hdsp->lock);
2337         return change;
2338 }
2339
2340 #define HDSP_PHONE_GAIN(xname, xindex) \
2341 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2342   .name = xname, \
2343   .index = xindex, \
2344   .info = snd_hdsp_info_phone_gain, \
2345   .get = snd_hdsp_get_phone_gain, \
2346   .put = snd_hdsp_put_phone_gain \
2347 }
2348
2349 static int hdsp_phone_gain(struct hdsp *hdsp)
2350 {
2351         switch (hdsp->control_register & HDSP_PhoneGainMask) {
2352         case HDSP_PhoneGain0dB:
2353                 return 0;
2354         case HDSP_PhoneGainMinus6dB:
2355                 return 1;
2356         case HDSP_PhoneGainMinus12dB:
2357                 return 2;
2358         default:
2359                 return 0;
2360         }
2361 }
2362
2363 static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
2364 {
2365         hdsp->control_register &= ~HDSP_PhoneGainMask;
2366         switch (mode) {
2367         case 0:
2368                 hdsp->control_register |= HDSP_PhoneGain0dB;
2369                 break;
2370         case 1:
2371                 hdsp->control_register |= HDSP_PhoneGainMinus6dB;
2372                 break;
2373         case 2:
2374                 hdsp->control_register |= HDSP_PhoneGainMinus12dB;
2375                 break;
2376         default:
2377                 return -1;
2378
2379         }
2380         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2381         return 0;
2382 }
2383
2384 static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2385 {
2386         static char *texts[] = {"0 dB", "-6 dB", "-12 dB"};
2387
2388         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2389         uinfo->count = 1;
2390         uinfo->value.enumerated.items = 3;
2391         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2392                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2393         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2394         return 0;
2395 }
2396
2397 static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2398 {
2399         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2400
2401         ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp);
2402         return 0;
2403 }
2404
2405 static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2406 {
2407         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2408         int change;
2409         int val;
2410
2411         if (!snd_hdsp_use_is_exclusive(hdsp))
2412                 return -EBUSY;
2413         val = ucontrol->value.enumerated.item[0];
2414         if (val < 0) val = 0;
2415         if (val > 2) val = 2;
2416         spin_lock_irq(&hdsp->lock);
2417         if (val != hdsp_phone_gain(hdsp))
2418                 change = (hdsp_set_phone_gain(hdsp, val) == 0) ? 1 : 0;
2419         else
2420                 change = 0;
2421         spin_unlock_irq(&hdsp->lock);
2422         return change;
2423 }
2424
2425 #define HDSP_XLR_BREAKOUT_CABLE(xname, xindex) \
2426 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2427   .name = xname, \
2428   .index = xindex, \
2429   .info = snd_hdsp_info_xlr_breakout_cable, \
2430   .get = snd_hdsp_get_xlr_breakout_cable, \
2431   .put = snd_hdsp_put_xlr_breakout_cable \
2432 }
2433
2434 static int hdsp_xlr_breakout_cable(struct hdsp *hdsp)
2435 {
2436         if (hdsp->control_register & HDSP_XLRBreakoutCable)
2437                 return 1;
2438         return 0;
2439 }
2440
2441 static int hdsp_set_xlr_breakout_cable(struct hdsp *hdsp, int mode)
2442 {
2443         if (mode)
2444                 hdsp->control_register |= HDSP_XLRBreakoutCable;
2445         else
2446                 hdsp->control_register &= ~HDSP_XLRBreakoutCable;
2447         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2448         return 0;
2449 }
2450
2451 #define snd_hdsp_info_xlr_breakout_cable        snd_ctl_boolean_mono_info
2452
2453 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2454 {
2455         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2456
2457         ucontrol->value.enumerated.item[0] = hdsp_xlr_breakout_cable(hdsp);
2458         return 0;
2459 }
2460
2461 static int snd_hdsp_put_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2462 {
2463         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2464         int change;
2465         int val;
2466
2467         if (!snd_hdsp_use_is_exclusive(hdsp))
2468                 return -EBUSY;
2469         val = ucontrol->value.integer.value[0] & 1;
2470         spin_lock_irq(&hdsp->lock);
2471         change = (int)val != hdsp_xlr_breakout_cable(hdsp);
2472         hdsp_set_xlr_breakout_cable(hdsp, val);
2473         spin_unlock_irq(&hdsp->lock);
2474         return change;
2475 }
2476
2477 /* (De)activates old RME Analog Extension Board
2478    These are connected to the internal ADAT connector
2479    Switching this on desactivates external ADAT
2480 */
2481 #define HDSP_AEB(xname, xindex) \
2482 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2483   .name = xname, \
2484   .index = xindex, \
2485   .info = snd_hdsp_info_aeb, \
2486   .get = snd_hdsp_get_aeb, \
2487   .put = snd_hdsp_put_aeb \
2488 }
2489
2490 static int hdsp_aeb(struct hdsp *hdsp)
2491 {
2492         if (hdsp->control_register & HDSP_AnalogExtensionBoard)
2493                 return 1;
2494         return 0;
2495 }
2496
2497 static int hdsp_set_aeb(struct hdsp *hdsp, int mode)
2498 {
2499         if (mode)
2500                 hdsp->control_register |= HDSP_AnalogExtensionBoard;
2501         else
2502                 hdsp->control_register &= ~HDSP_AnalogExtensionBoard;
2503         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2504         return 0;
2505 }
2506
2507 #define snd_hdsp_info_aeb               snd_ctl_boolean_mono_info
2508
2509 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2510 {
2511         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2512
2513         ucontrol->value.enumerated.item[0] = hdsp_aeb(hdsp);
2514         return 0;
2515 }
2516
2517 static int snd_hdsp_put_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2518 {
2519         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2520         int change;
2521         int val;
2522
2523         if (!snd_hdsp_use_is_exclusive(hdsp))
2524                 return -EBUSY;
2525         val = ucontrol->value.integer.value[0] & 1;
2526         spin_lock_irq(&hdsp->lock);
2527         change = (int)val != hdsp_aeb(hdsp);
2528         hdsp_set_aeb(hdsp, val);
2529         spin_unlock_irq(&hdsp->lock);
2530         return change;
2531 }
2532
2533 #define HDSP_PREF_SYNC_REF(xname, xindex) \
2534 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2535   .name = xname, \
2536   .index = xindex, \
2537   .info = snd_hdsp_info_pref_sync_ref, \
2538   .get = snd_hdsp_get_pref_sync_ref, \
2539   .put = snd_hdsp_put_pref_sync_ref \
2540 }
2541
2542 static int hdsp_pref_sync_ref(struct hdsp *hdsp)
2543 {
2544         /* Notice that this looks at the requested sync source,
2545            not the one actually in use.
2546         */
2547
2548         switch (hdsp->control_register & HDSP_SyncRefMask) {
2549         case HDSP_SyncRef_ADAT1:
2550                 return HDSP_SYNC_FROM_ADAT1;
2551         case HDSP_SyncRef_ADAT2:
2552                 return HDSP_SYNC_FROM_ADAT2;
2553         case HDSP_SyncRef_ADAT3:
2554                 return HDSP_SYNC_FROM_ADAT3;
2555         case HDSP_SyncRef_SPDIF:
2556                 return HDSP_SYNC_FROM_SPDIF;
2557         case HDSP_SyncRef_WORD:
2558                 return HDSP_SYNC_FROM_WORD;
2559         case HDSP_SyncRef_ADAT_SYNC:
2560                 return HDSP_SYNC_FROM_ADAT_SYNC;
2561         default:
2562                 return HDSP_SYNC_FROM_WORD;
2563         }
2564         return 0;
2565 }
2566
2567 static int hdsp_set_pref_sync_ref(struct hdsp *hdsp, int pref)
2568 {
2569         hdsp->control_register &= ~HDSP_SyncRefMask;
2570         switch (pref) {
2571         case HDSP_SYNC_FROM_ADAT1:
2572                 hdsp->control_register &= ~HDSP_SyncRefMask; /* clear SyncRef bits */
2573                 break;
2574         case HDSP_SYNC_FROM_ADAT2:
2575                 hdsp->control_register |= HDSP_SyncRef_ADAT2;
2576                 break;
2577         case HDSP_SYNC_FROM_ADAT3:
2578                 hdsp->control_register |= HDSP_SyncRef_ADAT3;
2579                 break;
2580         case HDSP_SYNC_FROM_SPDIF:
2581                 hdsp->control_register |= HDSP_SyncRef_SPDIF;
2582                 break;
2583         case HDSP_SYNC_FROM_WORD:
2584                 hdsp->control_register |= HDSP_SyncRef_WORD;
2585                 break;
2586         case HDSP_SYNC_FROM_ADAT_SYNC:
2587                 hdsp->control_register |= HDSP_SyncRef_ADAT_SYNC;
2588                 break;
2589         default:
2590                 return -1;
2591         }
2592         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2593         return 0;
2594 }
2595
2596 static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2597 {
2598         static char *texts[] = {"Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" };
2599         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2600
2601         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2602         uinfo->count = 1;
2603
2604         switch (hdsp->io_type) {
2605         case Digiface:
2606         case H9652:
2607                 uinfo->value.enumerated.items = 6;
2608                 break;
2609         case Multiface:
2610                 uinfo->value.enumerated.items = 4;
2611                 break;
2612         case H9632:
2613                 uinfo->value.enumerated.items = 3;
2614                 break;
2615         default:
2616                 uinfo->value.enumerated.items = 0;
2617                 break;
2618         }
2619
2620         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2621                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2622         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2623         return 0;
2624 }
2625
2626 static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2627 {
2628         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2629
2630         ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp);
2631         return 0;
2632 }
2633
2634 static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2635 {
2636         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2637         int change, max;
2638         unsigned int val;
2639
2640         if (!snd_hdsp_use_is_exclusive(hdsp))
2641                 return -EBUSY;
2642
2643         switch (hdsp->io_type) {
2644         case Digiface:
2645         case H9652:
2646                 max = 6;
2647                 break;
2648         case Multiface:
2649                 max = 4;
2650                 break;
2651         case H9632:
2652                 max = 3;
2653                 break;
2654         default:
2655                 return -EIO;
2656         }
2657
2658         val = ucontrol->value.enumerated.item[0] % max;
2659         spin_lock_irq(&hdsp->lock);
2660         change = (int)val != hdsp_pref_sync_ref(hdsp);
2661         hdsp_set_pref_sync_ref(hdsp, val);
2662         spin_unlock_irq(&hdsp->lock);
2663         return change;
2664 }
2665
2666 #define HDSP_AUTOSYNC_REF(xname, xindex) \
2667 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2668   .name = xname, \
2669   .index = xindex, \
2670   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
2671   .info = snd_hdsp_info_autosync_ref, \
2672   .get = snd_hdsp_get_autosync_ref, \
2673 }
2674
2675 static int hdsp_autosync_ref(struct hdsp *hdsp)
2676 {
2677         /* This looks at the autosync selected sync reference */
2678         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
2679
2680         switch (status2 & HDSP_SelSyncRefMask) {
2681         case HDSP_SelSyncRef_WORD:
2682                 return HDSP_AUTOSYNC_FROM_WORD;
2683         case HDSP_SelSyncRef_ADAT_SYNC:
2684                 return HDSP_AUTOSYNC_FROM_ADAT_SYNC;
2685         case HDSP_SelSyncRef_SPDIF:
2686                 return HDSP_AUTOSYNC_FROM_SPDIF;
2687         case HDSP_SelSyncRefMask:
2688                 return HDSP_AUTOSYNC_FROM_NONE;
2689         case HDSP_SelSyncRef_ADAT1:
2690                 return HDSP_AUTOSYNC_FROM_ADAT1;
2691         case HDSP_SelSyncRef_ADAT2:
2692                 return HDSP_AUTOSYNC_FROM_ADAT2;
2693         case HDSP_SelSyncRef_ADAT3:
2694                 return HDSP_AUTOSYNC_FROM_ADAT3;
2695         default:
2696                 return HDSP_AUTOSYNC_FROM_WORD;
2697         }
2698         return 0;
2699 }
2700
2701 static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2702 {
2703         static char *texts[] = {"Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" };
2704
2705         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2706         uinfo->count = 1;
2707         uinfo->value.enumerated.items = 7;
2708         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2709                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2710         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2711         return 0;
2712 }
2713
2714 static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2715 {
2716         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2717
2718         ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp);
2719         return 0;
2720 }
2721
2722 #define HDSP_LINE_OUT(xname, xindex) \
2723 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2724   .name = xname, \
2725   .index = xindex, \
2726   .info = snd_hdsp_info_line_out, \
2727   .get = snd_hdsp_get_line_out, \
2728   .put = snd_hdsp_put_line_out \
2729 }
2730
2731 static int hdsp_line_out(struct hdsp *hdsp)
2732 {
2733         return (hdsp->control_register & HDSP_LineOut) ? 1 : 0;
2734 }
2735
2736 static int hdsp_set_line_output(struct hdsp *hdsp, int out)
2737 {
2738         if (out)
2739                 hdsp->control_register |= HDSP_LineOut;
2740         else
2741                 hdsp->control_register &= ~HDSP_LineOut;
2742         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2743         return 0;
2744 }
2745
2746 #define snd_hdsp_info_line_out          snd_ctl_boolean_mono_info
2747
2748 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2749 {
2750         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2751
2752         spin_lock_irq(&hdsp->lock);
2753         ucontrol->value.integer.value[0] = hdsp_line_out(hdsp);
2754         spin_unlock_irq(&hdsp->lock);
2755         return 0;
2756 }
2757
2758 static int snd_hdsp_put_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2759 {
2760         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2761         int change;
2762         unsigned int val;
2763
2764         if (!snd_hdsp_use_is_exclusive(hdsp))
2765                 return -EBUSY;
2766         val = ucontrol->value.integer.value[0] & 1;
2767         spin_lock_irq(&hdsp->lock);
2768         change = (int)val != hdsp_line_out(hdsp);
2769         hdsp_set_line_output(hdsp, val);
2770         spin_unlock_irq(&hdsp->lock);
2771         return change;
2772 }
2773
2774 #define HDSP_PRECISE_POINTER(xname, xindex) \
2775 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2776   .name = xname, \
2777   .index = xindex, \
2778   .info = snd_hdsp_info_precise_pointer, \
2779   .get = snd_hdsp_get_precise_pointer, \
2780   .put = snd_hdsp_put_precise_pointer \
2781 }
2782
2783 static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise)
2784 {
2785         if (precise)
2786                 hdsp->precise_ptr = 1;
2787         else
2788                 hdsp->precise_ptr = 0;
2789         return 0;
2790 }
2791
2792 #define snd_hdsp_info_precise_pointer           snd_ctl_boolean_mono_info
2793
2794 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2795 {
2796         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2797
2798         spin_lock_irq(&hdsp->lock);
2799         ucontrol->value.integer.value[0] = hdsp->precise_ptr;
2800         spin_unlock_irq(&hdsp->lock);
2801         return 0;
2802 }
2803
2804 static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2805 {
2806         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2807         int change;
2808         unsigned int val;
2809
2810         if (!snd_hdsp_use_is_exclusive(hdsp))
2811                 return -EBUSY;
2812         val = ucontrol->value.integer.value[0] & 1;
2813         spin_lock_irq(&hdsp->lock);
2814         change = (int)val != hdsp->precise_ptr;
2815         hdsp_set_precise_pointer(hdsp, val);
2816         spin_unlock_irq(&hdsp->lock);
2817         return change;
2818 }
2819
2820 #define HDSP_USE_MIDI_TASKLET(xname, xindex) \
2821 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2822   .name = xname, \
2823   .index = xindex, \
2824   .info = snd_hdsp_info_use_midi_tasklet, \
2825   .get = snd_hdsp_get_use_midi_tasklet, \
2826   .put = snd_hdsp_put_use_midi_tasklet \
2827 }
2828
2829 static int hdsp_set_use_midi_tasklet(struct hdsp *hdsp, int use_tasklet)
2830 {
2831         if (use_tasklet)
2832                 hdsp->use_midi_tasklet = 1;
2833         else
2834                 hdsp->use_midi_tasklet = 0;
2835         return 0;
2836 }
2837
2838 #define snd_hdsp_info_use_midi_tasklet          snd_ctl_boolean_mono_info
2839
2840 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2841 {
2842         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2843
2844         spin_lock_irq(&hdsp->lock);
2845         ucontrol->value.integer.value[0] = hdsp->use_midi_tasklet;
2846         spin_unlock_irq(&hdsp->lock);
2847         return 0;
2848 }
2849
2850 static int snd_hdsp_put_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2851 {
2852         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2853         int change;
2854         unsigned int val;
2855
2856         if (!snd_hdsp_use_is_exclusive(hdsp))
2857                 return -EBUSY;
2858         val = ucontrol->value.integer.value[0] & 1;
2859         spin_lock_irq(&hdsp->lock);
2860         change = (int)val != hdsp->use_midi_tasklet;
2861         hdsp_set_use_midi_tasklet(hdsp, val);
2862         spin_unlock_irq(&hdsp->lock);
2863         return change;
2864 }
2865
2866 #define HDSP_MIXER(xname, xindex) \
2867 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2868   .name = xname, \
2869   .index = xindex, \
2870   .device = 0, \
2871   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
2872                  SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2873   .info = snd_hdsp_info_mixer, \
2874   .get = snd_hdsp_get_mixer, \
2875   .put = snd_hdsp_put_mixer \
2876 }
2877
2878 static int snd_hdsp_info_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2879 {
2880         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2881         uinfo->count = 3;
2882         uinfo->value.integer.min = 0;
2883         uinfo->value.integer.max = 65536;
2884         uinfo->value.integer.step = 1;
2885         return 0;
2886 }
2887
2888 static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2889 {
2890         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2891         int source;
2892         int destination;
2893         int addr;
2894
2895         source = ucontrol->value.integer.value[0];
2896         destination = ucontrol->value.integer.value[1];
2897
2898         if (source >= hdsp->max_channels)
2899                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination);
2900         else
2901                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2902
2903         spin_lock_irq(&hdsp->lock);
2904         ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr);
2905         spin_unlock_irq(&hdsp->lock);
2906         return 0;
2907 }
2908
2909 static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2910 {
2911         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2912         int change;
2913         int source;
2914         int destination;
2915         int gain;
2916         int addr;
2917
2918         if (!snd_hdsp_use_is_exclusive(hdsp))
2919                 return -EBUSY;
2920
2921         source = ucontrol->value.integer.value[0];
2922         destination = ucontrol->value.integer.value[1];
2923
2924         if (source >= hdsp->max_channels)
2925                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels, destination);
2926         else
2927                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2928
2929         gain = ucontrol->value.integer.value[2];
2930
2931         spin_lock_irq(&hdsp->lock);
2932         change = gain != hdsp_read_gain(hdsp, addr);
2933         if (change)
2934                 hdsp_write_gain(hdsp, addr, gain);
2935         spin_unlock_irq(&hdsp->lock);
2936         return change;
2937 }
2938
2939 #define HDSP_WC_SYNC_CHECK(xname, xindex) \
2940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2941   .name = xname, \
2942   .index = xindex, \
2943   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2944   .info = snd_hdsp_info_sync_check, \
2945   .get = snd_hdsp_get_wc_sync_check \
2946 }
2947
2948 static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2949 {
2950         static char *texts[] = {"No Lock", "Lock", "Sync" };
2951         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2952         uinfo->count = 1;
2953         uinfo->value.enumerated.items = 3;
2954         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2955                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2956         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2957         return 0;
2958 }
2959
2960 static int hdsp_wc_sync_check(struct hdsp *hdsp)
2961 {
2962         int status2 = hdsp_read(hdsp, HDSP_status2Register);
2963         if (status2 & HDSP_wc_lock) {
2964                 if (status2 & HDSP_wc_sync)
2965                         return 2;
2966                 else
2967                          return 1;
2968         } else
2969                 return 0;
2970         return 0;
2971 }
2972
2973 static int snd_hdsp_get_wc_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2974 {
2975         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2976
2977         ucontrol->value.enumerated.item[0] = hdsp_wc_sync_check(hdsp);
2978         return 0;
2979 }
2980
2981 #define HDSP_SPDIF_SYNC_CHECK(xname, xindex) \
2982 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2983   .name = xname, \
2984   .index = xindex, \
2985   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2986   .info = snd_hdsp_info_sync_check, \
2987   .get = snd_hdsp_get_spdif_sync_check \
2988 }
2989
2990 static int hdsp_spdif_sync_check(struct hdsp *hdsp)
2991 {
2992         int status = hdsp_read(hdsp, HDSP_statusRegister);
2993         if (status & HDSP_SPDIFErrorFlag)
2994                 return 0;
2995         else {
2996                 if (status & HDSP_SPDIFSync)
2997                         return 2;
2998                 else
2999                         return 1;
3000         }
3001         return 0;
3002 }
3003
3004 static int snd_hdsp_get_spdif_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3005 {
3006         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3007
3008         ucontrol->value.enumerated.item[0] = hdsp_spdif_sync_check(hdsp);
3009         return 0;
3010 }
3011
3012 #define HDSP_ADATSYNC_SYNC_CHECK(xname, xindex) \
3013 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3014   .name = xname, \
3015   .index = xindex, \
3016   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3017   .info = snd_hdsp_info_sync_check, \
3018   .get = snd_hdsp_get_adatsync_sync_check \
3019 }
3020
3021 static int hdsp_adatsync_sync_check(struct hdsp *hdsp)
3022 {
3023         int status = hdsp_read(hdsp, HDSP_statusRegister);
3024         if (status & HDSP_TimecodeLock) {
3025                 if (status & HDSP_TimecodeSync)
3026                         return 2;
3027                 else
3028                         return 1;
3029         } else
3030                 return 0;
3031 }
3032
3033 static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3034 {
3035         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3036
3037         ucontrol->value.enumerated.item[0] = hdsp_adatsync_sync_check(hdsp);
3038         return 0;
3039 }
3040
3041 #define HDSP_ADAT_SYNC_CHECK \
3042 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3043   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3044   .info = snd_hdsp_info_sync_check, \
3045   .get = snd_hdsp_get_adat_sync_check \
3046 }
3047
3048 static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx)
3049 {
3050         int status = hdsp_read(hdsp, HDSP_statusRegister);
3051
3052         if (status & (HDSP_Lock0>>idx)) {
3053                 if (status & (HDSP_Sync0>>idx))
3054                         return 2;
3055                 else
3056                         return 1;
3057         } else
3058                 return 0;
3059 }
3060
3061 static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3062 {
3063         int offset;
3064         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3065
3066         offset = ucontrol->id.index - 1;
3067         snd_BUG_ON(offset < 0);
3068
3069         switch (hdsp->io_type) {
3070         case Digiface:
3071         case H9652:
3072                 if (offset >= 3)
3073                         return -EINVAL;
3074                 break;
3075         case Multiface:
3076         case H9632:
3077                 if (offset >= 1)
3078                         return -EINVAL;
3079                 break;
3080         default:
3081                 return -EIO;
3082         }
3083
3084         ucontrol->value.enumerated.item[0] = hdsp_adat_sync_check(hdsp, offset);
3085         return 0;
3086 }
3087
3088 #define HDSP_DDS_OFFSET(xname, xindex) \
3089 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3090   .name = xname, \
3091   .index = xindex, \
3092   .info = snd_hdsp_info_dds_offset, \
3093   .get = snd_hdsp_get_dds_offset, \
3094   .put = snd_hdsp_put_dds_offset \
3095 }
3096
3097 static int hdsp_dds_offset(struct hdsp *hdsp)
3098 {
3099         u64 n;
3100         unsigned int dds_value = hdsp->dds_value;
3101         int system_sample_rate = hdsp->system_sample_rate;
3102
3103         if (!dds_value)
3104                 return 0;
3105
3106         n = DDS_NUMERATOR;
3107         /*
3108          * dds_value = n / rate
3109          * rate = n / dds_value
3110          */
3111         n = div_u64(n, dds_value);
3112         if (system_sample_rate >= 112000)
3113                 n *= 4;
3114         else if (system_sample_rate >= 56000)
3115                 n *= 2;
3116         return ((int)n) - system_sample_rate;
3117 }
3118
3119 static int hdsp_set_dds_offset(struct hdsp *hdsp, int offset_hz)
3120 {
3121         int rate = hdsp->system_sample_rate + offset_hz;
3122         hdsp_set_dds_value(hdsp, rate);
3123         return 0;
3124 }
3125
3126 static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3127 {
3128         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3129         uinfo->count = 1;
3130         uinfo->value.integer.min = -5000;
3131         uinfo->value.integer.max = 5000;
3132         return 0;
3133 }
3134
3135 static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3136 {
3137         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3138
3139         ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
3140         return 0;
3141 }
3142
3143 static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3144 {
3145         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3146         int change;
3147         int val;
3148
3149         if (!snd_hdsp_use_is_exclusive(hdsp))
3150                 return -EBUSY;
3151         val = ucontrol->value.enumerated.item[0];
3152         spin_lock_irq(&hdsp->lock);
3153         if (val != hdsp_dds_offset(hdsp))
3154                 change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0;
3155         else
3156                 change = 0;
3157         spin_unlock_irq(&hdsp->lock);
3158         return change;
3159 }
3160
3161 static struct snd_kcontrol_new snd_hdsp_9632_controls[] = {
3162 HDSP_DA_GAIN("DA Gain", 0),
3163 HDSP_AD_GAIN("AD Gain", 0),
3164 HDSP_PHONE_GAIN("Phones Gain", 0),
3165 HDSP_XLR_BREAKOUT_CABLE("XLR Breakout Cable", 0),
3166 HDSP_DDS_OFFSET("DDS Sample Rate Offset", 0)
3167 };
3168
3169 static struct snd_kcontrol_new snd_hdsp_controls[] = {
3170 {
3171         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3172         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
3173         .info =         snd_hdsp_control_spdif_info,
3174         .get =          snd_hdsp_control_spdif_get,
3175         .put =          snd_hdsp_control_spdif_put,
3176 },
3177 {
3178         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
3179         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3180         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
3181         .info =         snd_hdsp_control_spdif_stream_info,
3182         .get =          snd_hdsp_control_spdif_stream_get,
3183         .put =          snd_hdsp_control_spdif_stream_put,
3184 },
3185 {
3186         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3187         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3188         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
3189         .info =         snd_hdsp_control_spdif_mask_info,
3190         .get =          snd_hdsp_control_spdif_mask_get,
3191         .private_value = IEC958_AES0_NONAUDIO |
3192                          IEC958_AES0_PROFESSIONAL |
3193                          IEC958_AES0_CON_EMPHASIS,
3194 },
3195 {
3196         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3197         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3198         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
3199         .info =         snd_hdsp_control_spdif_mask_info,
3200         .get =          snd_hdsp_control_spdif_mask_get,
3201         .private_value = IEC958_AES0_NONAUDIO |
3202                          IEC958_AES0_PROFESSIONAL |
3203                          IEC958_AES0_PRO_EMPHASIS,
3204 },
3205 HDSP_MIXER("Mixer", 0),
3206 HDSP_SPDIF_IN("IEC958 Input Connector", 0),
3207 HDSP_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
3208 HDSP_SPDIF_PROFESSIONAL("IEC958 Professional Bit", 0),
3209 HDSP_SPDIF_EMPHASIS("IEC958 Emphasis Bit", 0),
3210 HDSP_SPDIF_NON_AUDIO("IEC958 Non-audio Bit", 0),
3211 /* 'Sample Clock Source' complies with the alsa control naming scheme */
3212 HDSP_CLOCK_SOURCE("Sample Clock Source", 0),
3213 {
3214         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3215         .name = "Sample Clock Source Locking",
3216         .info = snd_hdsp_info_clock_source_lock,
3217         .get = snd_hdsp_get_clock_source_lock,
3218         .put = snd_hdsp_put_clock_source_lock,
3219 },
3220 HDSP_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
3221 HDSP_PREF_SYNC_REF("Preferred Sync Reference", 0),
3222 HDSP_AUTOSYNC_REF("AutoSync Reference", 0),
3223 HDSP_SPDIF_SAMPLE_RATE("SPDIF Sample Rate", 0),
3224 HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
3225 /* 'External Rate' complies with the alsa control naming scheme */
3226 HDSP_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
3227 HDSP_WC_SYNC_CHECK("Word Clock Lock Status", 0),
3228 HDSP_SPDIF_SYNC_CHECK("SPDIF Lock Status", 0),
3229 HDSP_ADATSYNC_SYNC_CHECK("ADAT Sync Lock Status", 0),
3230 HDSP_LINE_OUT("Line Out", 0),
3231 HDSP_PRECISE_POINTER("Precise Pointer", 0),
3232 HDSP_USE_MIDI_TASKLET("Use Midi Tasklet", 0),
3233 };
3234
3235 static struct snd_kcontrol_new snd_hdsp_96xx_aeb = HDSP_AEB("Analog Extension Board", 0);
3236 static struct snd_kcontrol_new snd_hdsp_adat_sync_check = HDSP_ADAT_SYNC_CHECK;
3237
3238 static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
3239 {
3240         unsigned int idx;
3241         int err;
3242         struct snd_kcontrol *kctl;
3243
3244         for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_controls); idx++) {
3245                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_controls[idx], hdsp))) < 0)
3246                         return err;
3247                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
3248                         hdsp->spdif_ctl = kctl;
3249         }
3250
3251         /* ADAT SyncCheck status */
3252         snd_hdsp_adat_sync_check.name = "ADAT Lock Status";
3253         snd_hdsp_adat_sync_check.index = 1;
3254         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3255                 return err;
3256         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
3257                 for (idx = 1; idx < 3; ++idx) {
3258                         snd_hdsp_adat_sync_check.index = idx+1;
3259                         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3260                                 return err;
3261                 }
3262         }
3263
3264         /* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */
3265         if (hdsp->io_type == H9632) {
3266                 for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) {
3267                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_9632_controls[idx], hdsp))) < 0)
3268                                 return err;
3269                 }
3270         }
3271
3272         /* AEB control for H96xx card */
3273         if (hdsp->io_type == H9632 || hdsp->io_type == H9652) {
3274                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_96xx_aeb, hdsp))) < 0)
3275                                 return err;
3276         }
3277
3278         return 0;
3279 }
3280
3281 /*------------------------------------------------------------
3282    /proc interface
3283  ------------------------------------------------------------*/
3284
3285 static void
3286 snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
3287 {
3288         struct hdsp *hdsp = (struct hdsp *) entry->private_data;
3289         unsigned int status;
3290         unsigned int status2;
3291         char *pref_sync_ref;
3292         char *autosync_ref;
3293         char *system_clock_mode;
3294         char *clock_source;
3295         int x;
3296
3297         if (hdsp_check_for_iobox (hdsp)) {
3298                 snd_iprintf(buffer, "No I/O box connected.\nPlease connect one and upload firmware.\n");
3299                 return;
3300         }
3301
3302         if (hdsp_check_for_firmware(hdsp, 0)) {
3303                 if (hdsp->state & HDSP_FirmwareCached) {
3304                         if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
3305                                 snd_iprintf(buffer, "Firmware loading from cache failed, please upload manually.\n");
3306                                 return;
3307                         }
3308                 } else {
3309                         int err = -EINVAL;
3310 #ifdef HDSP_FW_LOADER
3311                         err = hdsp_request_fw_loader(hdsp);
3312 #endif
3313                         if (err < 0) {
3314                                 snd_iprintf(buffer,
3315                                             "No firmware loaded nor cached, "
3316                                             "please upload firmware.\n");
3317                                 return;
3318                         }
3319                 }
3320         }
3321
3322         status = hdsp_read(hdsp, HDSP_statusRegister);
3323         status2 = hdsp_read(hdsp, HDSP_status2Register);
3324
3325         snd_iprintf(buffer, "%s (Card #%d)\n", hdsp->card_name, hdsp->card->number + 1);
3326         snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
3327                     hdsp->capture_buffer, hdsp->playback_buffer);
3328         snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
3329                     hdsp->irq, hdsp->port, (unsigned long)hdsp->iobase);
3330         snd_iprintf(buffer, "Control register: 0x%x\n", hdsp->control_register);
3331         snd_iprintf(buffer, "Control2 register: 0x%x\n", hdsp->control2_register);
3332         snd_iprintf(buffer, "Status register: 0x%x\n", status);
3333         snd_iprintf(buffer, "Status2 register: 0x%x\n", status2);
3334         snd_iprintf(buffer, "FIFO status: %d\n", hdsp_read(hdsp, HDSP_fifoStatus) & 0xff);
3335         snd_iprintf(buffer, "MIDI1 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut0));
3336         snd_iprintf(buffer, "MIDI1 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn0));
3337         snd_iprintf(buffer, "MIDI2 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut1));
3338         snd_iprintf(buffer, "MIDI2 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn1));
3339         snd_iprintf(buffer, "Use Midi Tasklet: %s\n", hdsp->use_midi_tasklet ? "on" : "off");
3340
3341         snd_iprintf(buffer, "\n");
3342
3343         x = 1 << (6 + hdsp_decode_latency(hdsp->control_register & HDSP_LatencyMask));
3344
3345         snd_iprintf(buffer, "Buffer Size (Latency): %d samples (2 periods of %lu bytes)\n", x, (unsigned long) hdsp->period_bytes);
3346         snd_iprintf(buffer, "Hardware pointer (frames): %ld\n", hdsp_hw_pointer(hdsp));
3347         snd_iprintf(buffer, "Precise pointer: %s\n", hdsp->precise_ptr ? "on" : "off");
3348         snd_iprintf(buffer, "Line out: %s\n", (hdsp->control_register & HDSP_LineOut) ? "on" : "off");
3349
3350         snd_iprintf(buffer, "Firmware version: %d\n", (status2&HDSP_version0)|(status2&HDSP_version1)<<1|(status2&HDSP_version2)<<2);
3351
3352         snd_iprintf(buffer, "\n");
3353
3354
3355         switch (hdsp_clock_source(hdsp)) {
3356         case HDSP_CLOCK_SOURCE_AUTOSYNC:
3357                 clock_source = "AutoSync";
3358                 break;
3359         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
3360                 clock_source = "Internal 32 kHz";
3361                 break;
3362         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3363                 clock_source = "Internal 44.1 kHz";
3364                 break;
3365         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
3366                 clock_source = "Internal 48 kHz";
3367                 break;
3368         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
3369                 clock_source = "Internal 64 kHz";
3370                 break;
3371         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3372                 clock_source = "Internal 88.2 kHz";
3373                 break;
3374         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
3375                 clock_source = "Internal 96 kHz";
3376                 break;
3377         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
3378                 clock_source = "Internal 128 kHz";
3379                 break;
3380         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
3381                 clock_source = "Internal 176.4 kHz";
3382                 break;
3383                 case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
3384                 clock_source = "Internal 192 kHz";
3385                 break;
3386         default:
3387                 clock_source = "Error";
3388         }
3389         snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source);
3390
3391         if (hdsp_system_clock_mode(hdsp))
3392                 system_clock_mode = "Slave";
3393         else
3394                 system_clock_mode = "Master";
3395
3396         switch (hdsp_pref_sync_ref (hdsp)) {
3397         case HDSP_SYNC_FROM_WORD:
3398                 pref_sync_ref = "Word Clock";
3399                 break;
3400         case HDSP_SYNC_FROM_ADAT_SYNC:
3401                 pref_sync_ref = "ADAT Sync";
3402                 break;
3403         case HDSP_SYNC_FROM_SPDIF:
3404                 pref_sync_ref = "SPDIF";
3405                 break;
3406         case HDSP_SYNC_FROM_ADAT1:
3407                 pref_sync_ref = "ADAT1";
3408                 break;
3409         case HDSP_SYNC_FROM_ADAT2:
3410                 pref_sync_ref = "ADAT2";
3411                 break;
3412         case HDSP_SYNC_FROM_ADAT3:
3413                 pref_sync_ref = "ADAT3";
3414                 break;
3415         default:
3416                 pref_sync_ref = "Word Clock";
3417                 break;
3418         }
3419         snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref);
3420
3421         switch (hdsp_autosync_ref (hdsp)) {
3422         case HDSP_AUTOSYNC_FROM_WORD:
3423                 autosync_ref = "Word Clock";
3424                 break;
3425         case HDSP_AUTOSYNC_FROM_ADAT_SYNC:
3426                 autosync_ref = "ADAT Sync";
3427                 break;
3428         case HDSP_AUTOSYNC_FROM_SPDIF:
3429                 autosync_ref = "SPDIF";
3430                 break;
3431         case HDSP_AUTOSYNC_FROM_NONE:
3432                 autosync_ref = "None";
3433                 break;
3434         case HDSP_AUTOSYNC_FROM_ADAT1:
3435                 autosync_ref = "ADAT1";
3436                 break;
3437         case HDSP_AUTOSYNC_FROM_ADAT2:
3438                 autosync_ref = "ADAT2";
3439                 break;
3440         case HDSP_AUTOSYNC_FROM_ADAT3:
3441                 autosync_ref = "ADAT3";
3442                 break;
3443         default:
3444                 autosync_ref = "---";
3445                 break;
3446         }
3447         snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref);
3448
3449         snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp));
3450
3451         snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode);
3452
3453         snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate);
3454         snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No");
3455
3456         snd_iprintf(buffer, "\n");
3457
3458         switch (hdsp_spdif_in(hdsp)) {
3459         case HDSP_SPDIFIN_OPTICAL:
3460                 snd_iprintf(buffer, "IEC958 input: Optical\n");
3461                 break;
3462         case HDSP_SPDIFIN_COAXIAL:
3463                 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
3464                 break;
3465         case HDSP_SPDIFIN_INTERNAL:
3466                 snd_iprintf(buffer, "IEC958 input: Internal\n");
3467                 break;
3468         case HDSP_SPDIFIN_AES:
3469                 snd_iprintf(buffer, "IEC958 input: AES\n");
3470                 break;
3471         default:
3472                 snd_iprintf(buffer, "IEC958 input: ???\n");
3473                 break;
3474         }
3475
3476         if (hdsp->control_register & HDSP_SPDIFOpticalOut)
3477                 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
3478         else
3479                 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
3480
3481         if (hdsp->control_register & HDSP_SPDIFProfessional)
3482                 snd_iprintf(buffer, "IEC958 quality: Professional\n");
3483         else
3484                 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
3485
3486         if (hdsp->control_register & HDSP_SPDIFEmphasis)
3487                 snd_iprintf(buffer, "IEC958 emphasis: on\n");
3488         else
3489                 snd_iprintf(buffer, "IEC958 emphasis: off\n");
3490
3491         if (hdsp->control_register & HDSP_SPDIFNonAudio)
3492                 snd_iprintf(buffer, "IEC958 NonAudio: on\n");
3493         else
3494                 snd_iprintf(buffer, "IEC958 NonAudio: off\n");
3495         if ((x = hdsp_spdif_sample_rate (hdsp)) != 0)
3496                 snd_iprintf (buffer, "IEC958 sample rate: %d\n", x);
3497         else
3498                 snd_iprintf (buffer, "IEC958 sample rate: Error flag set\n");
3499
3500         snd_iprintf(buffer, "\n");
3501
3502         /* Sync Check */
3503         x = status & HDSP_Sync0;
3504         if (status & HDSP_Lock0)
3505                 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
3506         else
3507                 snd_iprintf(buffer, "ADAT1: No Lock\n");
3508
3509         switch (hdsp->io_type) {
3510         case Digiface:
3511         case H9652:
3512                 x = status & HDSP_Sync1;
3513                 if (status & HDSP_Lock1)
3514                         snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
3515                 else
3516                         snd_iprintf(buffer, "ADAT2: No Lock\n");
3517                 x = status & HDSP_Sync2;
3518                 if (status & HDSP_Lock2)
3519                         snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
3520                 else
3521                         snd_iprintf(buffer, "ADAT3: No Lock\n");
3522                 break;
3523         default:
3524                 /* relax */
3525                 break;
3526         }
3527
3528         x = status & HDSP_SPDIFSync;
3529         if (status & HDSP_SPDIFErrorFlag)
3530                 snd_iprintf (buffer, "SPDIF: No Lock\n");
3531         else
3532                 snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock");
3533
3534         x = status2 & HDSP_wc_sync;
3535         if (status2 & HDSP_wc_lock)
3536                 snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock");
3537         else
3538                 snd_iprintf (buffer, "Word Clock: No Lock\n");
3539
3540         x = status & HDSP_TimecodeSync;
3541         if (status & HDSP_TimecodeLock)
3542                 snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock");
3543         else
3544                 snd_iprintf(buffer, "ADAT Sync: No Lock\n");
3545
3546         snd_iprintf(buffer, "\n");
3547
3548         /* Informations about H9632 specific controls */
3549         if (hdsp->io_type == H9632) {
3550                 char *tmp;
3551
3552                 switch (hdsp_ad_gain(hdsp)) {
3553                 case 0:
3554                         tmp = "-10 dBV";
3555                         break;
3556                 case 1:
3557                         tmp = "+4 dBu";
3558                         break;
3559                 default:
3560                         tmp = "Lo Gain";
3561                         break;
3562                 }
3563                 snd_iprintf(buffer, "AD Gain : %s\n", tmp);
3564
3565                 switch (hdsp_da_gain(hdsp)) {
3566                 case 0:
3567                         tmp = "Hi Gain";
3568                         break;
3569                 case 1:
3570                         tmp = "+4 dBu";
3571                         break;
3572                 default:
3573                         tmp = "-10 dBV";
3574                         break;
3575                 }
3576                 snd_iprintf(buffer, "DA Gain : %s\n", tmp);
3577
3578                 switch (hdsp_phone_gain(hdsp)) {
3579                 case 0:
3580                         tmp = "0 dB";
3581                         break;
3582                 case 1:
3583                         tmp = "-6 dB";
3584                         break;
3585                 default:
3586                         tmp = "-12 dB";
3587                         break;
3588                 }
3589                 snd_iprintf(buffer, "Phones Gain : %s\n", tmp);
3590
3591                 snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no");
3592
3593                 if (hdsp->control_register & HDSP_AnalogExtensionBoard)
3594                         snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n");
3595                 else
3596                         snd_iprintf(buffer, "AEB : off (ADAT1 external)\n");
3597                 snd_iprintf(buffer, "\n");
3598         }
3599
3600 }
3601
3602 static void snd_hdsp_proc_init(struct hdsp *hdsp)
3603 {
3604         struct snd_info_entry *entry;
3605
3606         if (! snd_card_proc_new(hdsp->card, "hdsp", &entry))
3607                 snd_info_set_text_ops(entry, hdsp, snd_hdsp_proc_read);
3608 }
3609
3610 static void snd_hdsp_free_buffers(struct hdsp *hdsp)
3611 {
3612         snd_hammerfall_free_buffer(&hdsp->capture_dma_buf, hdsp->pci);
3613         snd_hammerfall_free_buffer(&hdsp->playback_dma_buf, hdsp->pci);
3614 }
3615
3616 static int __devinit snd_hdsp_initialize_memory(struct hdsp *hdsp)
3617 {
3618         unsigned long pb_bus, cb_bus;
3619
3620         if (snd_hammerfall_get_buffer(hdsp->pci, &hdsp->capture_dma_buf, HDSP_DMA_AREA_BYTES) < 0 ||
3621             snd_hammerfall_get_buffer(hdsp->pci, &hdsp->playback_dma_buf, HDSP_DMA_AREA_BYTES) < 0) {
3622                 if (hdsp->capture_dma_buf.area)
3623                         snd_dma_free_pages(&hdsp->capture_dma_buf);
3624                 printk(KERN_ERR "%s: no buffers available\n", hdsp->card_name);
3625                 return -ENOMEM;
3626         }
3627
3628         /* Align to bus-space 64K boundary */
3629
3630         cb_bus = ALIGN(hdsp->capture_dma_buf.addr, 0x10000ul);
3631         pb_bus = ALIGN(hdsp->playback_dma_buf.addr, 0x10000ul);
3632
3633         /* Tell the card where it is */
3634
3635         hdsp_write(hdsp, HDSP_inputBufferAddress, cb_bus);
3636         hdsp_write(hdsp, HDSP_outputBufferAddress, pb_bus);
3637
3638         hdsp->capture_buffer = hdsp->capture_dma_buf.area + (cb_bus - hdsp->capture_dma_buf.addr);
3639         hdsp->playback_buffer = hdsp->playback_dma_buf.area + (pb_bus - hdsp->playback_dma_buf.addr);
3640
3641         return 0;
3642 }
3643
3644 static int snd_hdsp_set_defaults(struct hdsp *hdsp)
3645 {
3646         unsigned int i;
3647
3648         /* ASSUMPTION: hdsp->lock is either held, or
3649            there is no need to hold it (e.g. during module
3650            initialization).
3651          */
3652
3653         /* set defaults:
3654
3655            SPDIF Input via Coax
3656            Master clock mode
3657            maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer,
3658                             which implies 2 4096 sample, 32Kbyte periods).
3659            Enable line out.
3660          */
3661
3662         hdsp->control_register = HDSP_ClockModeMaster |
3663                                  HDSP_SPDIFInputCoaxial |
3664                                  hdsp_encode_latency(7) |
3665                                  HDSP_LineOut;
3666
3667
3668         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3669
3670 #ifdef SNDRV_BIG_ENDIAN
3671         hdsp->control2_register = HDSP_BIGENDIAN_MODE;
3672 #else
3673         hdsp->control2_register = 0;
3674 #endif
3675         if (hdsp->io_type == H9652)
3676                 snd_hdsp_9652_enable_mixer (hdsp);
3677         else
3678                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
3679
3680         hdsp_reset_hw_pointer(hdsp);
3681         hdsp_compute_period_size(hdsp);
3682
3683         /* silence everything */
3684
3685         for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i)
3686                 hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN;
3687
3688         for (i = 0; i < ((hdsp->io_type == H9652 || hdsp->io_type == H9632) ? 1352 : HDSP_MATRIX_MIXER_SIZE); ++i) {
3689                 if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN))
3690                         return -EIO;
3691         }
3692
3693         /* H9632 specific defaults */
3694         if (hdsp->io_type == H9632) {
3695                 hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB);
3696                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3697         }
3698
3699         /* set a default rate so that the channel map is set up.
3700          */
3701
3702         hdsp_set_rate(hdsp, 48000, 1);
3703
3704         return 0;
3705 }
3706
3707 static void hdsp_midi_tasklet(unsigned long arg)
3708 {
3709         struct hdsp *hdsp = (struct hdsp *)arg;
3710
3711         if (hdsp->midi[0].pending)
3712                 snd_hdsp_midi_input_read (&hdsp->midi[0]);
3713         if (hdsp->midi[1].pending)
3714                 snd_hdsp_midi_input_read (&hdsp->midi[1]);
3715 }
3716
3717 static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
3718 {
3719         struct hdsp *hdsp = (struct hdsp *) dev_id;
3720         unsigned int status;
3721         int audio;
3722         int midi0;
3723         int midi1;
3724         unsigned int midi0status;
3725         unsigned int midi1status;
3726         int schedule = 0;
3727
3728         status = hdsp_read(hdsp, HDSP_statusRegister);
3729
3730         audio = status & HDSP_audioIRQPending;
3731         midi0 = status & HDSP_midi0IRQPending;
3732         midi1 = status & HDSP_midi1IRQPending;
3733
3734         if (!audio && !midi0 && !midi1)
3735                 return IRQ_NONE;
3736
3737         hdsp_write(hdsp, HDSP_interruptConfirmation, 0);
3738
3739         midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff;
3740         midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff;
3741
3742         if (!(hdsp->state & HDSP_InitializationComplete))
3743                 return IRQ_HANDLED;
3744
3745         if (audio) {
3746                 if (hdsp->capture_substream)
3747                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
3748
3749                 if (hdsp->playback_substream)
3750                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
3751         }
3752
3753         if (midi0 && midi0status) {
3754                 if (hdsp->use_midi_tasklet) {
3755                         /* we disable interrupts for this input until processing is done */
3756                         hdsp->control_register &= ~HDSP_Midi0InterruptEnable;
3757                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3758                         hdsp->midi[0].pending = 1;
3759                         schedule = 1;
3760                 } else {
3761                         snd_hdsp_midi_input_read (&hdsp->midi[0]);
3762                 }
3763         }
3764         if (hdsp->io_type != Multiface && hdsp->io_type != H9632 && midi1 && midi1status) {
3765                 if (hdsp->use_midi_tasklet) {
3766                         /* we disable interrupts for this input until processing is done */
3767                         hdsp->control_register &= ~HDSP_Midi1InterruptEnable;
3768                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3769                         hdsp->midi[1].pending = 1;
3770                         schedule = 1;
3771                 } else {
3772                         snd_hdsp_midi_input_read (&hdsp->midi[1]);
3773                 }
3774         }
3775         if (hdsp->use_midi_tasklet && schedule)
3776                 tasklet_schedule(&hdsp->midi_tasklet);
3777         return IRQ_HANDLED;
3778 }
3779
3780 static snd_pcm_uframes_t snd_hdsp_hw_pointer(struct snd_pcm_substream *substream)
3781 {
3782         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3783         return hdsp_hw_pointer(hdsp);
3784 }
3785
3786 static char *hdsp_channel_buffer_location(struct hdsp *hdsp,
3787                                              int stream,
3788                                              int channel)
3789
3790 {
3791         int mapped_channel;
3792
3793         if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels))
3794                 return NULL;
3795
3796         if ((mapped_channel = hdsp->channel_map[channel]) < 0)
3797                 return NULL;
3798
3799         if (stream == SNDRV_PCM_STREAM_CAPTURE)
3800                 return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3801         else
3802                 return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3803 }
3804
3805 static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel,
3806                                   snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
3807 {
3808         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3809         char *channel_buf;
3810
3811         if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
3812                 return -EINVAL;
3813
3814         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3815         if (snd_BUG_ON(!channel_buf))
3816                 return -EIO;
3817         if (copy_from_user(channel_buf + pos * 4, src, count * 4))
3818                 return -EFAULT;
3819         return count;
3820 }
3821
3822 static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel,
3823                                  snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
3824 {
3825         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3826         char *channel_buf;
3827
3828         if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
3829                 return -EINVAL;
3830
3831         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3832         if (snd_BUG_ON(!channel_buf))
3833                 return -EIO;
3834         if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
3835                 return -EFAULT;
3836         return count;
3837 }
3838
3839 static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel,
3840                                   snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
3841 {
3842         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3843         char *channel_buf;
3844
3845         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3846         if (snd_BUG_ON(!channel_buf))
3847                 return -EIO;
3848         memset(channel_buf + pos * 4, 0, count * 4);
3849         return count;
3850 }
3851
3852 static int snd_hdsp_reset(struct snd_pcm_substream *substream)
3853 {
3854         struct snd_pcm_runtime *runtime = substream->runtime;
3855         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3856         struct snd_pcm_substream *other;
3857         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3858                 other = hdsp->capture_substream;
3859         else
3860                 other = hdsp->playback_substream;
3861         if (hdsp->running)
3862                 runtime->status->hw_ptr = hdsp_hw_pointer(hdsp);
3863         else
3864                 runtime->status->hw_ptr = 0;
3865         if (other) {
3866                 struct snd_pcm_substream *s;
3867                 struct snd_pcm_runtime *oruntime = other->runtime;
3868                 snd_pcm_group_for_each_entry(s, substream) {
3869                         if (s == other) {
3870                                 oruntime->status->hw_ptr = runtime->status->hw_ptr;
3871                                 break;
3872                         }
3873                 }
3874         }
3875         return 0;
3876 }
3877
3878 static int snd_hdsp_hw_params(struct snd_pcm_substream *substream,
3879                                  struct snd_pcm_hw_params *params)
3880 {
3881         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3882         int err;
3883         pid_t this_pid;
3884         pid_t other_pid;
3885
3886         if (hdsp_check_for_iobox (hdsp))
3887                 return -EIO;
3888
3889         if (hdsp_check_for_firmware(hdsp, 1))
3890                 return -EIO;
3891
3892         spin_lock_irq(&hdsp->lock);
3893
3894         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3895                 hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
3896                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= hdsp->creg_spdif_stream);
3897                 this_pid = hdsp->playback_pid;
3898                 other_pid = hdsp->capture_pid;
3899         } else {
3900                 this_pid = hdsp->capture_pid;
3901                 other_pid = hdsp->playback_pid;
3902         }
3903
3904         if ((other_pid > 0) && (this_pid != other_pid)) {
3905
3906                 /* The other stream is open, and not by the same
3907                    task as this one. Make sure that the parameters
3908                    that matter are the same.
3909                  */
3910
3911                 if (params_rate(params) != hdsp->system_sample_rate) {
3912                         spin_unlock_irq(&hdsp->lock);
3913                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3914                         return -EBUSY;
3915                 }
3916
3917                 if (params_period_size(params) != hdsp->period_bytes / 4) {
3918                         spin_unlock_irq(&hdsp->lock);
3919                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3920                         return -EBUSY;
3921                 }
3922
3923                 /* We're fine. */
3924
3925                 spin_unlock_irq(&hdsp->lock);
3926                 return 0;
3927
3928         } else {
3929                 spin_unlock_irq(&hdsp->lock);
3930         }
3931
3932         /* how to make sure that the rate matches an externally-set one ?
3933          */
3934
3935         spin_lock_irq(&hdsp->lock);
3936         if (! hdsp->clock_source_locked) {
3937                 if ((err = hdsp_set_rate(hdsp, params_rate(params), 0)) < 0) {
3938                         spin_unlock_irq(&hdsp->lock);
3939                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3940                         return err;
3941                 }
3942         }
3943         spin_unlock_irq(&hdsp->lock);
3944
3945         if ((err = hdsp_set_interrupt_interval(hdsp, params_period_size(params))) < 0) {
3946                 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3947                 return err;
3948         }
3949
3950         return 0;
3951 }
3952
3953 static int snd_hdsp_channel_info(struct snd_pcm_substream *substream,
3954                                     struct snd_pcm_channel_info *info)
3955 {
3956         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3957         int mapped_channel;
3958
3959         if (snd_BUG_ON(info->channel >= hdsp->max_channels))
3960                 return -EINVAL;
3961
3962         if ((mapped_channel = hdsp->channel_map[info->channel]) < 0)
3963                 return -EINVAL;
3964
3965         info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES;
3966         info->first = 0;
3967         info->step = 32;
3968         return 0;
3969 }
3970
3971 static int snd_hdsp_ioctl(struct snd_pcm_substream *substream,
3972                              unsigned int cmd, void *arg)
3973 {
3974         switch (cmd) {
3975         case SNDRV_PCM_IOCTL1_RESET:
3976                 return snd_hdsp_reset(substream);
3977         case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
3978                 return snd_hdsp_channel_info(substream, arg);
3979         default:
3980                 break;
3981         }
3982
3983         return snd_pcm_lib_ioctl(substream, cmd, arg);
3984 }
3985
3986 static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
3987 {
3988         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3989         struct snd_pcm_substream *other;
3990         int running;
3991
3992         if (hdsp_check_for_iobox (hdsp))
3993                 return -EIO;
3994
3995         if (hdsp_check_for_firmware(hdsp, 0)) /* no auto-loading in trigger */
3996                 return -EIO;
3997
3998         spin_lock(&hdsp->lock);
3999         running = hdsp->running;
4000         switch (cmd) {
4001         case SNDRV_PCM_TRIGGER_START:
4002                 running |= 1 << substream->stream;
4003                 break;
4004         case SNDRV_PCM_TRIGGER_STOP:
4005                 running &= ~(1 << substream->stream);
4006                 break;
4007         default:
4008                 snd_BUG();
4009                 spin_unlock(&hdsp->lock);
4010                 return -EINVAL;
4011         }
4012         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4013                 other = hdsp->capture_substream;
4014         else
4015                 other = hdsp->playback_substream;
4016
4017         if (other) {
4018                 struct snd_pcm_substream *s;
4019                 snd_pcm_group_for_each_entry(s, substream) {
4020                         if (s == other) {
4021                                 snd_pcm_trigger_done(s, substream);
4022                                 if (cmd == SNDRV_PCM_TRIGGER_START)
4023                                         running |= 1 << s->stream;
4024                                 else
4025                                         running &= ~(1 << s->stream);
4026                                 goto _ok;
4027                         }
4028                 }
4029                 if (cmd == SNDRV_PCM_TRIGGER_START) {
4030                         if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
4031                             substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4032                                 hdsp_silence_playback(hdsp);
4033                 } else {
4034                         if (running &&
4035                             substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4036                                 hdsp_silence_playback(hdsp);
4037                 }
4038         } else {
4039                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4040                                 hdsp_silence_playback(hdsp);
4041         }
4042  _ok:
4043         snd_pcm_trigger_done(substream, substream);
4044         if (!hdsp->running && running)
4045                 hdsp_start_audio(hdsp);
4046         else if (hdsp->running && !running)
4047                 hdsp_stop_audio(hdsp);
4048         hdsp->running = running;
4049         spin_unlock(&hdsp->lock);
4050
4051         return 0;
4052 }
4053
4054 static int snd_hdsp_prepare(struct snd_pcm_substream *substream)
4055 {
4056         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4057         int result = 0;
4058
4059         if (hdsp_check_for_iobox (hdsp))
4060                 return -EIO;
4061
4062         if (hdsp_check_for_firmware(hdsp, 1))
4063                 return -EIO;
4064
4065         spin_lock_irq(&hdsp->lock);
4066         if (!hdsp->running)
4067                 hdsp_reset_hw_pointer(hdsp);
4068         spin_unlock_irq(&hdsp->lock);
4069         return result;
4070 }
4071
4072 static struct snd_pcm_hardware snd_hdsp_playback_subinfo =
4073 {
4074         .info =                 (SNDRV_PCM_INFO_MMAP |
4075                                  SNDRV_PCM_INFO_MMAP_VALID |
4076                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4077                                  SNDRV_PCM_INFO_SYNC_START |
4078                                  SNDRV_PCM_INFO_DOUBLE),
4079 #ifdef SNDRV_BIG_ENDIAN
4080         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4081 #else
4082         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4083 #endif
4084         .rates =                (SNDRV_PCM_RATE_32000 |
4085                                  SNDRV_PCM_RATE_44100 |
4086                                  SNDRV_PCM_RATE_48000 |
4087                                  SNDRV_PCM_RATE_64000 |
4088                                  SNDRV_PCM_RATE_88200 |
4089                                  SNDRV_PCM_RATE_96000),
4090         .rate_min =             32000,
4091         .rate_max =             96000,
4092         .channels_min =         14,
4093         .channels_max =         HDSP_MAX_CHANNELS,
4094         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4095         .period_bytes_min =     (64 * 4) * 10,
4096         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4097         .periods_min =          2,
4098         .periods_max =          2,
4099         .fifo_size =            0
4100 };
4101
4102 static struct snd_pcm_hardware snd_hdsp_capture_subinfo =
4103 {
4104         .info =                 (SNDRV_PCM_INFO_MMAP |
4105                                  SNDRV_PCM_INFO_MMAP_VALID |
4106                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4107                                  SNDRV_PCM_INFO_SYNC_START),
4108 #ifdef SNDRV_BIG_ENDIAN
4109         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4110 #else
4111         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4112 #endif
4113         .rates =                (SNDRV_PCM_RATE_32000 |
4114                                  SNDRV_PCM_RATE_44100 |
4115                                  SNDRV_PCM_RATE_48000 |
4116                                  SNDRV_PCM_RATE_64000 |
4117                                  SNDRV_PCM_RATE_88200 |
4118                                  SNDRV_PCM_RATE_96000),
4119         .rate_min =             32000,
4120         .rate_max =             96000,
4121         .channels_min =         14,
4122         .channels_max =         HDSP_MAX_CHANNELS,
4123         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4124         .period_bytes_min =     (64 * 4) * 10,
4125         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4126         .periods_min =          2,
4127         .periods_max =          2,
4128         .fifo_size =            0
4129 };
4130
4131 static unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
4132
4133 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = {
4134         .count = ARRAY_SIZE(hdsp_period_sizes),
4135         .list = hdsp_period_sizes,
4136         .mask = 0
4137 };
4138
4139 static unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 };
4140
4141 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = {
4142         .count = ARRAY_SIZE(hdsp_9632_sample_rates),
4143         .list = hdsp_9632_sample_rates,
4144         .mask = 0
4145 };
4146
4147 static int snd_hdsp_hw_rule_in_channels(struct snd_pcm_hw_params *params,
4148                                         struct snd_pcm_hw_rule *rule)
4149 {
4150         struct hdsp *hdsp = rule->private;
4151         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4152         if (hdsp->io_type == H9632) {
4153                 unsigned int list[3];
4154                 list[0] = hdsp->qs_in_channels;
4155                 list[1] = hdsp->ds_in_channels;
4156                 list[2] = hdsp->ss_in_channels;
4157                 return snd_interval_list(c, 3, list, 0);
4158         } else {
4159                 unsigned int list[2];
4160                 list[0] = hdsp->ds_in_channels;
4161                 list[1] = hdsp->ss_in_channels;
4162                 return snd_interval_list(c, 2, list, 0);
4163         }
4164 }
4165
4166 static int snd_hdsp_hw_rule_out_channels(struct snd_pcm_hw_params *params,
4167                                         struct snd_pcm_hw_rule *rule)
4168 {
4169         unsigned int list[3];
4170         struct hdsp *hdsp = rule->private;
4171         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4172         if (hdsp->io_type == H9632) {
4173                 list[0] = hdsp->qs_out_channels;
4174                 list[1] = hdsp->ds_out_channels;
4175                 list[2] = hdsp->ss_out_channels;
4176                 return snd_interval_list(c, 3, list, 0);
4177         } else {
4178                 list[0] = hdsp->ds_out_channels;
4179                 list[1] = hdsp->ss_out_channels;
4180         }
4181         return snd_interval_list(c, 2, list, 0);
4182 }
4183
4184 static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
4185                                              struct snd_pcm_hw_rule *rule)
4186 {
4187         struct hdsp *hdsp = rule->private;
4188         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4189         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4190         if (r->min > 96000 && hdsp->io_type == H9632) {
4191                 struct snd_interval t = {
4192                         .min = hdsp->qs_in_channels,
4193                         .max = hdsp->qs_in_channels,
4194                         .integer = 1,
4195                 };
4196                 return snd_interval_refine(c, &t);
4197         } else if (r->min > 48000 && r->max <= 96000) {
4198                 struct snd_interval t = {
4199                         .min = hdsp->ds_in_channels,
4200                         .max = hdsp->ds_in_channels,
4201                         .integer = 1,
4202                 };
4203                 return snd_interval_refine(c, &t);
4204         } else if (r->max < 64000) {
4205                 struct snd_interval t = {
4206                         .min = hdsp->ss_in_channels,
4207                         .max = hdsp->ss_in_channels,
4208                         .integer = 1,
4209                 };
4210                 return snd_interval_refine(c, &t);
4211         }
4212         return 0;
4213 }
4214
4215 static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
4216                                              struct snd_pcm_hw_rule *rule)
4217 {
4218         struct hdsp *hdsp = rule->private;
4219         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4220         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4221         if (r->min > 96000 && hdsp->io_type == H9632) {
4222                 struct snd_interval t = {
4223                         .min = hdsp->qs_out_channels,
4224                         .max = hdsp->qs_out_channels,
4225                         .integer = 1,
4226                 };
4227                 return snd_interval_refine(c, &t);
4228         } else if (r->min > 48000 && r->max <= 96000) {
4229                 struct snd_interval t = {
4230                         .min = hdsp->ds_out_channels,
4231                         .max = hdsp->ds_out_channels,
4232                         .integer = 1,
4233                 };
4234                 return snd_interval_refine(c, &t);
4235         } else if (r->max < 64000) {
4236                 struct snd_interval t = {
4237                         .min = hdsp->ss_out_channels,
4238                         .max = hdsp->ss_out_channels,
4239                         .integer = 1,
4240                 };
4241                 return snd_interval_refine(c, &t);
4242         }
4243         return 0;
4244 }
4245
4246 static int snd_hdsp_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
4247                                              struct snd_pcm_hw_rule *rule)
4248 {
4249         struct hdsp *hdsp = rule->private;
4250         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4251         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4252         if (c->min >= hdsp->ss_out_channels) {
4253                 struct snd_interval t = {
4254                         .min = 32000,
4255                         .max = 48000,
4256                         .integer = 1,
4257                 };
4258                 return snd_interval_refine(r, &t);
4259         } else if (c->max <= hdsp->qs_out_channels && hdsp->io_type == H9632) {
4260                 struct snd_interval t = {
4261                         .min = 128000,
4262                         .max = 192000,
4263                         .integer = 1,
4264                 };
4265                 return snd_interval_refine(r, &t);
4266         } else if (c->max <= hdsp->ds_out_channels) {
4267                 struct snd_interval t = {
4268                         .min = 64000,
4269                         .max = 96000,
4270                         .integer = 1,
4271                 };
4272                 return snd_interval_refine(r, &t);
4273         }
4274         return 0;
4275 }
4276
4277 static int snd_hdsp_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
4278                                              struct snd_pcm_hw_rule *rule)
4279 {
4280         struct hdsp *hdsp = rule->private;
4281         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4282         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4283         if (c->min >= hdsp->ss_in_channels) {
4284                 struct snd_interval t = {
4285                         .min = 32000,
4286                         .max = 48000,
4287                         .integer = 1,
4288                 };
4289                 return snd_interval_refine(r, &t);
4290         } else if (c->max <= hdsp->qs_in_channels && hdsp->io_type == H9632) {
4291                 struct snd_interval t = {
4292                         .min = 128000,
4293                         .max = 192000,
4294                         .integer = 1,
4295                 };
4296                 return snd_interval_refine(r, &t);
4297         } else if (c->max <= hdsp->ds_in_channels) {
4298                 struct snd_interval t = {
4299                         .min = 64000,
4300                         .max = 96000,
4301                         .integer = 1,
4302                 };
4303                 return snd_interval_refine(r, &t);
4304         }
4305         return 0;
4306 }
4307
4308 static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
4309 {
4310         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4311         struct snd_pcm_runtime *runtime = substream->runtime;
4312
4313         if (hdsp_check_for_iobox (hdsp))
4314                 return -EIO;
4315
4316         if (hdsp_check_for_firmware(hdsp, 1))
4317                 return -EIO;
4318
4319         spin_lock_irq(&hdsp->lock);
4320
4321         snd_pcm_set_sync(substream);
4322
4323         runtime->hw = snd_hdsp_playback_subinfo;
4324         runtime->dma_area = hdsp->playback_buffer;
4325         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4326
4327         hdsp->playback_pid = current->pid;
4328         hdsp->playback_substream = substream;
4329
4330         spin_unlock_irq(&hdsp->lock);
4331
4332         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4333         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4334         if (hdsp->clock_source_locked) {
4335                 runtime->hw.rate_min = runtime->hw.rate_max = hdsp->system_sample_rate;
4336         } else if (hdsp->io_type == H9632) {
4337                 runtime->hw.rate_max = 192000;
4338                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4339                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4340         }
4341         if (hdsp->io_type == H9632) {
4342                 runtime->hw.channels_min = hdsp->qs_out_channels;
4343                 runtime->hw.channels_max = hdsp->ss_out_channels;
4344         }
4345
4346         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4347                              snd_hdsp_hw_rule_out_channels, hdsp,
4348                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4349         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4350                              snd_hdsp_hw_rule_out_channels_rate, hdsp,
4351                              SNDRV_PCM_HW_PARAM_RATE, -1);
4352         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4353                              snd_hdsp_hw_rule_rate_out_channels, hdsp,
4354                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4355
4356         hdsp->creg_spdif_stream = hdsp->creg_spdif;
4357         hdsp->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4358         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4359                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4360         return 0;
4361 }
4362
4363 static int snd_hdsp_playback_release(struct snd_pcm_substream *substream)
4364 {
4365         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4366
4367         spin_lock_irq(&hdsp->lock);
4368
4369         hdsp->playback_pid = -1;
4370         hdsp->playback_substream = NULL;
4371
4372         spin_unlock_irq(&hdsp->lock);
4373
4374         hdsp->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4375         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4376                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4377         return 0;
4378 }
4379
4380
4381 static int snd_hdsp_capture_open(struct snd_pcm_substream *substream)
4382 {
4383         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4384         struct snd_pcm_runtime *runtime = substream->runtime;
4385
4386         if (hdsp_check_for_iobox (hdsp))
4387                 return -EIO;
4388
4389         if (hdsp_check_for_firmware(hdsp, 1))
4390                 return -EIO;
4391
4392         spin_lock_irq(&hdsp->lock);
4393
4394         snd_pcm_set_sync(substream);
4395
4396         runtime->hw = snd_hdsp_capture_subinfo;
4397         runtime->dma_area = hdsp->capture_buffer;
4398         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4399
4400         hdsp->capture_pid = current->pid;
4401         hdsp->capture_substream = substream;
4402
4403         spin_unlock_irq(&hdsp->lock);
4404
4405         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4406         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4407         if (hdsp->io_type == H9632) {
4408                 runtime->hw.channels_min = hdsp->qs_in_channels;
4409                 runtime->hw.channels_max = hdsp->ss_in_channels;
4410                 runtime->hw.rate_max = 192000;
4411                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4412                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4413         }
4414         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4415                              snd_hdsp_hw_rule_in_channels, hdsp,
4416                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4417         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4418                              snd_hdsp_hw_rule_in_channels_rate, hdsp,
4419                              SNDRV_PCM_HW_PARAM_RATE, -1);
4420         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4421                              snd_hdsp_hw_rule_rate_in_channels, hdsp,
4422                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4423         return 0;
4424 }
4425
4426 static int snd_hdsp_capture_release(struct snd_pcm_substream *substream)
4427 {
4428         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4429
4430         spin_lock_irq(&hdsp->lock);
4431
4432         hdsp->capture_pid = -1;
4433         hdsp->capture_substream = NULL;
4434
4435         spin_unlock_irq(&hdsp->lock);
4436         return 0;
4437 }
4438
4439 /* helper functions for copying meter values */
4440 static inline int copy_u32_le(void __user *dest, void __iomem *src)
4441 {
4442         u32 val = readl(src);
4443         return copy_to_user(dest, &val, 4);
4444 }
4445
4446 static inline int copy_u64_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4447 {
4448         u32 rms_low, rms_high;
4449         u64 rms;
4450         rms_low = readl(src_low);
4451         rms_high = readl(src_high);
4452         rms = ((u64)rms_high << 32) | rms_low;
4453         return copy_to_user(dest, &rms, 8);
4454 }
4455
4456 static inline int copy_u48_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4457 {
4458         u32 rms_low, rms_high;
4459         u64 rms;
4460         rms_low = readl(src_low) & 0xffffff00;
4461         rms_high = readl(src_high) & 0xffffff00;
4462         rms = ((u64)rms_high << 32) | rms_low;
4463         return copy_to_user(dest, &rms, 8);
4464 }
4465
4466 static int hdsp_9652_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4467 {
4468         int doublespeed = 0;
4469         int i, j, channels, ofs;
4470
4471         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4472                 doublespeed = 1;
4473         channels = doublespeed ? 14 : 26;
4474         for (i = 0, j = 0; i < 26; ++i) {
4475                 if (doublespeed && (i & 4))
4476                         continue;
4477                 ofs = HDSP_9652_peakBase - j * 4;
4478                 if (copy_u32_le(&peak_rms->input_peaks[i], hdsp->iobase + ofs))
4479                         return -EFAULT;
4480                 ofs -= channels * 4;
4481                 if (copy_u32_le(&peak_rms->playback_peaks[i], hdsp->iobase + ofs))
4482                         return -EFAULT;
4483                 ofs -= channels * 4;
4484                 if (copy_u32_le(&peak_rms->output_peaks[i], hdsp->iobase + ofs))
4485                         return -EFAULT;
4486                 ofs = HDSP_9652_rmsBase + j * 8;
4487                 if (copy_u48_le(&peak_rms->input_rms[i], hdsp->iobase + ofs,
4488                                 hdsp->iobase + ofs + 4))
4489                         return -EFAULT;
4490                 ofs += channels * 8;
4491                 if (copy_u48_le(&peak_rms->playback_rms[i], hdsp->iobase + ofs,
4492                                 hdsp->iobase + ofs + 4))
4493                         return -EFAULT;
4494                 ofs += channels * 8;
4495                 if (copy_u48_le(&peak_rms->output_rms[i], hdsp->iobase + ofs,
4496                                 hdsp->iobase + ofs + 4))
4497                         return -EFAULT;
4498                 j++;
4499         }
4500         return 0;
4501 }
4502
4503 static int hdsp_9632_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4504 {
4505         int i, j;
4506         struct hdsp_9632_meters __iomem *m;
4507         int doublespeed = 0;
4508
4509         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4510                 doublespeed = 1;
4511         m = (struct hdsp_9632_meters __iomem *)(hdsp->iobase+HDSP_9632_metersBase);
4512         for (i = 0, j = 0; i < 16; ++i, ++j) {
4513                 if (copy_u32_le(&peak_rms->input_peaks[i], &m->input_peak[j]))
4514                         return -EFAULT;
4515                 if (copy_u32_le(&peak_rms->playback_peaks[i], &m->playback_peak[j]))
4516                         return -EFAULT;
4517                 if (copy_u32_le(&peak_rms->output_peaks[i], &m->output_peak[j]))
4518                         return -EFAULT;
4519                 if (copy_u64_le(&peak_rms->input_rms[i], &m->input_rms_low[j],
4520                                 &m->input_rms_high[j]))
4521                         return -EFAULT;
4522                 if (copy_u64_le(&peak_rms->playback_rms[i], &m->playback_rms_low[j],
4523                                 &m->playback_rms_high[j]))
4524                         return -EFAULT;
4525                 if (copy_u64_le(&peak_rms->output_rms[i], &m->output_rms_low[j],
4526                                 &m->output_rms_high[j]))
4527                         return -EFAULT;
4528                 if (doublespeed && i == 3) i += 4;
4529         }
4530         return 0;
4531 }
4532
4533 static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4534 {
4535         int i;
4536
4537         for (i = 0; i < 26; i++) {
4538                 if (copy_u32_le(&peak_rms->playback_peaks[i],
4539                                 hdsp->iobase + HDSP_playbackPeakLevel + i * 4))
4540                         return -EFAULT;
4541                 if (copy_u32_le(&peak_rms->input_peaks[i],
4542                                 hdsp->iobase + HDSP_inputPeakLevel + i * 4))
4543                         return -EFAULT;
4544         }
4545         for (i = 0; i < 28; i++) {
4546                 if (copy_u32_le(&peak_rms->output_peaks[i],
4547                                 hdsp->iobase + HDSP_outputPeakLevel + i * 4))
4548                         return -EFAULT;
4549         }
4550         for (i = 0; i < 26; ++i) {
4551                 if (copy_u64_le(&peak_rms->playback_rms[i],
4552                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4,
4553                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8))
4554                         return -EFAULT;
4555                 if (copy_u64_le(&peak_rms->input_rms[i],
4556                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4,
4557                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8))
4558                         return -EFAULT;
4559         }
4560         return 0;
4561 }
4562
4563 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
4564 {
4565         struct hdsp *hdsp = (struct hdsp *)hw->private_data;
4566         void __user *argp = (void __user *)arg;
4567         int err;
4568
4569         switch (cmd) {
4570         case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: {
4571                 struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg;
4572
4573                 err = hdsp_check_for_iobox(hdsp);
4574                 if (err < 0)
4575                         return err;
4576
4577                 err = hdsp_check_for_firmware(hdsp, 1);
4578                 if (err < 0)
4579                         return err;
4580
4581                 if (!(hdsp->state & HDSP_FirmwareLoaded)) {
4582                         snd_printk(KERN_ERR "Hammerfall-DSP: firmware needs to be uploaded to the card.\n");
4583                         return -EINVAL;
4584                 }
4585
4586                 switch (hdsp->io_type) {
4587                 case H9652:
4588                         return hdsp_9652_get_peak(hdsp, peak_rms);
4589                 case H9632:
4590                         return hdsp_9632_get_peak(hdsp, peak_rms);
4591                 default:
4592                         return hdsp_get_peak(hdsp, peak_rms);
4593                 }
4594         }
4595         case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: {
4596                 struct hdsp_config_info info;
4597                 unsigned long flags;
4598                 int i;
4599
4600                 err = hdsp_check_for_iobox(hdsp);
4601                 if (err < 0)
4602                         return err;
4603
4604                 err = hdsp_check_for_firmware(hdsp, 1);
4605                 if (err < 0)
4606                         return err;
4607
4608                 spin_lock_irqsave(&hdsp->lock, flags);
4609                 info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp);
4610                 info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp);
4611                 if (hdsp->io_type != H9632)
4612                     info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp);
4613                 info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp);
4614                 for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != H9632) ? 3 : 1); ++i)
4615                         info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i);
4616                 info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp);
4617                 info.spdif_out = (unsigned char)hdsp_spdif_out(hdsp);
4618                 info.spdif_professional = (unsigned char)hdsp_spdif_professional(hdsp);
4619                 info.spdif_emphasis = (unsigned char)hdsp_spdif_emphasis(hdsp);
4620                 info.spdif_nonaudio = (unsigned char)hdsp_spdif_nonaudio(hdsp);
4621                 info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp);
4622                 info.system_sample_rate = hdsp->system_sample_rate;
4623                 info.autosync_sample_rate = hdsp_external_sample_rate(hdsp);
4624                 info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp);
4625                 info.clock_source = (unsigned char)hdsp_clock_source(hdsp);
4626                 info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp);
4627                 info.line_out = (unsigned char)hdsp_line_out(hdsp);
4628                 if (hdsp->io_type == H9632) {
4629                         info.da_gain = (unsigned char)hdsp_da_gain(hdsp);
4630                         info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp);
4631                         info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp);
4632                         info.xlr_breakout_cable = (unsigned char)hdsp_xlr_breakout_cable(hdsp);
4633
4634                 }
4635                 if (hdsp->io_type == H9632 || hdsp->io_type == H9652)
4636                         info.analog_extension_board = (unsigned char)hdsp_aeb(hdsp);
4637                 spin_unlock_irqrestore(&hdsp->lock, flags);
4638                 if (copy_to_user(argp, &info, sizeof(info)))
4639                         return -EFAULT;
4640                 break;
4641         }
4642         case SNDRV_HDSP_IOCTL_GET_9632_AEB: {
4643                 struct hdsp_9632_aeb h9632_aeb;
4644
4645                 if (hdsp->io_type != H9632) return -EINVAL;
4646                 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS;
4647                 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS;
4648                 if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb)))
4649                         return -EFAULT;
4650                 break;
4651         }
4652         case SNDRV_HDSP_IOCTL_GET_VERSION: {
4653                 struct hdsp_version hdsp_version;
4654                 int err;
4655
4656                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4657                 if (hdsp->io_type == Undefined) {
4658                         if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4659                                 return err;
4660                 }
4661                 hdsp_version.io_type = hdsp->io_type;
4662                 hdsp_version.firmware_rev = hdsp->firmware_rev;
4663                 if ((err = copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))))
4664                         return -EFAULT;
4665                 break;
4666         }
4667         case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: {
4668                 struct hdsp_firmware __user *firmware;
4669                 u32 __user *firmware_data;
4670                 int err;
4671
4672                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4673                 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */
4674                 if (hdsp->io_type == Undefined) return -EINVAL;
4675
4676                 if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded))
4677                         return -EBUSY;
4678
4679                 snd_printk(KERN_INFO "Hammerfall-DSP: initializing firmware upload\n");
4680                 firmware = (struct hdsp_firmware __user *)argp;
4681
4682                 if (get_user(firmware_data, &firmware->firmware_data))
4683                         return -EFAULT;
4684
4685                 if (hdsp_check_for_iobox (hdsp))
4686                         return -EIO;
4687
4688                 if (copy_from_user(hdsp->firmware_cache, firmware_data, sizeof(hdsp->firmware_cache)) != 0)
4689                         return -EFAULT;
4690
4691                 hdsp->state |= HDSP_FirmwareCached;
4692
4693                 if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4694                         return err;
4695
4696                 if (!(hdsp->state & HDSP_InitializationComplete)) {
4697                         if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4698                                 return err;
4699
4700                         snd_hdsp_initialize_channels(hdsp);
4701                         snd_hdsp_initialize_midi_flush(hdsp);
4702
4703                         if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4704                                 snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4705                                 return err;
4706                         }
4707                 }
4708                 break;
4709         }
4710         case SNDRV_HDSP_IOCTL_GET_MIXER: {
4711                 struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp;
4712                 if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE))
4713                         return -EFAULT;
4714                 break;
4715         }
4716         default:
4717                 return -EINVAL;
4718         }
4719         return 0;
4720 }
4721
4722 static struct snd_pcm_ops snd_hdsp_playback_ops = {
4723         .open =         snd_hdsp_playback_open,
4724         .close =        snd_hdsp_playback_release,
4725         .ioctl =        snd_hdsp_ioctl,
4726         .hw_params =    snd_hdsp_hw_params,
4727         .prepare =      snd_hdsp_prepare,
4728         .trigger =      snd_hdsp_trigger,
4729         .pointer =      snd_hdsp_hw_pointer,
4730         .copy =         snd_hdsp_playback_copy,
4731         .silence =      snd_hdsp_hw_silence,
4732 };
4733
4734 static struct snd_pcm_ops snd_hdsp_capture_ops = {
4735         .open =         snd_hdsp_capture_open,
4736         .close =        snd_hdsp_capture_release,
4737         .ioctl =        snd_hdsp_ioctl,
4738         .hw_params =    snd_hdsp_hw_params,
4739         .prepare =      snd_hdsp_prepare,
4740         .trigger =      snd_hdsp_trigger,
4741         .pointer =      snd_hdsp_hw_pointer,
4742         .copy =         snd_hdsp_capture_copy,
4743 };
4744
4745 static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)
4746 {
4747         struct snd_hwdep *hw;
4748         int err;
4749
4750         if ((err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw)) < 0)
4751                 return err;
4752
4753         hdsp->hwdep = hw;
4754         hw->private_data = hdsp;
4755         strcpy(hw->name, "HDSP hwdep interface");
4756
4757         hw->ops.ioctl = snd_hdsp_hwdep_ioctl;
4758
4759         return 0;
4760 }
4761
4762 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp)
4763 {
4764         struct snd_pcm *pcm;
4765         int err;
4766
4767         if ((err = snd_pcm_new(card, hdsp->card_name, 0, 1, 1, &pcm)) < 0)
4768                 return err;
4769
4770         hdsp->pcm = pcm;
4771         pcm->private_data = hdsp;
4772         strcpy(pcm->name, hdsp->card_name);
4773
4774         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_hdsp_playback_ops);
4775         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_hdsp_capture_ops);
4776
4777         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
4778
4779         return 0;
4780 }
4781
4782 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp)
4783 {
4784         hdsp->control2_register |= HDSP_9652_ENABLE_MIXER;
4785         hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
4786 }
4787
4788 static int snd_hdsp_enable_io (struct hdsp *hdsp)
4789 {
4790         int i;
4791
4792         if (hdsp_fifo_wait (hdsp, 0, 100)) {
4793                 snd_printk(KERN_ERR "Hammerfall-DSP: enable_io fifo_wait failed\n");
4794                 return -EIO;
4795         }
4796
4797         for (i = 0; i < hdsp->max_channels; ++i) {
4798                 hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1);
4799                 hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1);
4800         }
4801
4802         return 0;
4803 }
4804
4805 static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
4806 {
4807         int status, aebi_channels, aebo_channels;
4808
4809         switch (hdsp->io_type) {
4810         case Digiface:
4811                 hdsp->card_name = "RME Hammerfall DSP + Digiface";
4812                 hdsp->ss_in_channels = hdsp->ss_out_channels = DIGIFACE_SS_CHANNELS;
4813                 hdsp->ds_in_channels = hdsp->ds_out_channels = DIGIFACE_DS_CHANNELS;
4814                 break;
4815
4816         case H9652:
4817                 hdsp->card_name = "RME Hammerfall HDSP 9652";
4818                 hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS;
4819                 hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS;
4820                 break;
4821
4822         case H9632:
4823                 status = hdsp_read(hdsp, HDSP_statusRegister);
4824                 /* HDSP_AEBx bits are low when AEB are connected */
4825                 aebi_channels = (status & HDSP_AEBI) ? 0 : 4;
4826                 aebo_channels = (status & HDSP_AEBO) ? 0 : 4;
4827                 hdsp->card_name = "RME Hammerfall HDSP 9632";
4828                 hdsp->ss_in_channels = H9632_SS_CHANNELS+aebi_channels;
4829                 hdsp->ds_in_channels = H9632_DS_CHANNELS+aebi_channels;
4830                 hdsp->qs_in_channels = H9632_QS_CHANNELS+aebi_channels;
4831                 hdsp->ss_out_channels = H9632_SS_CHANNELS+aebo_channels;
4832                 hdsp->ds_out_channels = H9632_DS_CHANNELS+aebo_channels;
4833                 hdsp->qs_out_channels = H9632_QS_CHANNELS+aebo_channels;
4834                 break;
4835
4836         case Multiface:
4837                 hdsp->card_name = "RME Hammerfall DSP + Multiface";
4838                 hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS;
4839                 hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS;
4840                 break;
4841
4842         default:
4843                 /* should never get here */
4844                 break;
4845         }
4846 }
4847
4848 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp)
4849 {
4850         snd_hdsp_flush_midi_input (hdsp, 0);
4851         snd_hdsp_flush_midi_input (hdsp, 1);
4852 }
4853
4854 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp)
4855 {
4856         int err;
4857
4858         if ((err = snd_hdsp_create_pcm(card, hdsp)) < 0) {
4859                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating pcm interface\n");
4860                 return err;
4861         }
4862
4863
4864         if ((err = snd_hdsp_create_midi(card, hdsp, 0)) < 0) {
4865                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating first midi interface\n");
4866                 return err;
4867         }
4868
4869         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
4870                 if ((err = snd_hdsp_create_midi(card, hdsp, 1)) < 0) {
4871                         snd_printk(KERN_ERR "Hammerfall-DSP: Error creating second midi interface\n");
4872                         return err;
4873                 }
4874         }
4875
4876         if ((err = snd_hdsp_create_controls(card, hdsp)) < 0) {
4877                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating ctl interface\n");
4878                 return err;
4879         }
4880
4881         snd_hdsp_proc_init(hdsp);
4882
4883         hdsp->system_sample_rate = -1;
4884         hdsp->playback_pid = -1;
4885         hdsp->capture_pid = -1;
4886         hdsp->capture_substream = NULL;
4887         hdsp->playback_substream = NULL;
4888
4889         if ((err = snd_hdsp_set_defaults(hdsp)) < 0) {
4890                 snd_printk(KERN_ERR "Hammerfall-DSP: Error setting default values\n");
4891                 return err;
4892         }
4893
4894         if (!(hdsp->state & HDSP_InitializationComplete)) {
4895                 strcpy(card->shortname, "Hammerfall DSP");
4896                 sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
4897                         hdsp->port, hdsp->irq);
4898
4899                 if ((err = snd_card_register(card)) < 0) {
4900                         snd_printk(KERN_ERR "Hammerfall-DSP: error registering card\n");
4901                         return err;
4902                 }
4903                 hdsp->state |= HDSP_InitializationComplete;
4904         }
4905
4906         return 0;
4907 }
4908
4909 #ifdef HDSP_FW_LOADER
4910 /* load firmware via hotplug fw loader */
4911 static int hdsp_request_fw_loader(struct hdsp *hdsp)
4912 {
4913         const char *fwfile;
4914         const struct firmware *fw;
4915         int err;
4916
4917         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4918                 return 0;
4919         if (hdsp->io_type == Undefined) {
4920                 if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4921                         return err;
4922                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4923                         return 0;
4924         }
4925
4926         /* caution: max length of firmware filename is 30! */
4927         switch (hdsp->io_type) {
4928         case Multiface:
4929                 if (hdsp->firmware_rev == 0xa)
4930                         fwfile = "multiface_firmware.bin";
4931                 else
4932                         fwfile = "multiface_firmware_rev11.bin";
4933                 break;
4934         case Digiface:
4935                 if (hdsp->firmware_rev == 0xa)
4936                         fwfile = "digiface_firmware.bin";
4937                 else
4938                         fwfile = "digiface_firmware_rev11.bin";
4939                 break;
4940         default:
4941                 snd_printk(KERN_ERR "Hammerfall-DSP: invalid io_type %d\n", hdsp->io_type);
4942                 return -EINVAL;
4943         }
4944
4945         if (request_firmware(&fw, fwfile, &hdsp->pci->dev)) {
4946                 snd_printk(KERN_ERR "Hammerfall-DSP: cannot load firmware %s\n", fwfile);
4947                 return -ENOENT;
4948         }
4949         if (fw->size < sizeof(hdsp->firmware_cache)) {
4950                 snd_printk(KERN_ERR "Hammerfall-DSP: too short firmware size %d (expected %d)\n",
4951                            (int)fw->size, (int)sizeof(hdsp->firmware_cache));
4952                 release_firmware(fw);
4953                 return -EINVAL;
4954         }
4955
4956         memcpy(hdsp->firmware_cache, fw->data, sizeof(hdsp->firmware_cache));
4957
4958         release_firmware(fw);
4959
4960         hdsp->state |= HDSP_FirmwareCached;
4961
4962         if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4963                 return err;
4964
4965         if (!(hdsp->state & HDSP_InitializationComplete)) {
4966                 if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4967                         return err;
4968
4969                 if ((err = snd_hdsp_create_hwdep(hdsp->card, hdsp)) < 0) {
4970                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating hwdep device\n");
4971                         return err;
4972                 }
4973                 snd_hdsp_initialize_channels(hdsp);
4974                 snd_hdsp_initialize_midi_flush(hdsp);
4975                 if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4976                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4977                         return err;
4978                 }
4979         }
4980         return 0;
4981 }
4982 #endif
4983
4984 static int __devinit snd_hdsp_create(struct snd_card *card,
4985                                      struct hdsp *hdsp)
4986 {
4987         struct pci_dev *pci = hdsp->pci;
4988         int err;
4989         int is_9652 = 0;
4990         int is_9632 = 0;
4991
4992         hdsp->irq = -1;
4993         hdsp->state = 0;
4994         hdsp->midi[0].rmidi = NULL;
4995         hdsp->midi[1].rmidi = NULL;
4996         hdsp->midi[0].input = NULL;
4997         hdsp->midi[1].input = NULL;
4998         hdsp->midi[0].output = NULL;
4999         hdsp->midi[1].output = NULL;
5000         hdsp->midi[0].pending = 0;
5001         hdsp->midi[1].pending = 0;
5002         spin_lock_init(&hdsp->midi[0].lock);
5003         spin_lock_init(&hdsp->midi[1].lock);
5004         hdsp->iobase = NULL;
5005         hdsp->control_register = 0;
5006         hdsp->control2_register = 0;
5007         hdsp->io_type = Undefined;
5008         hdsp->max_channels = 26;
5009
5010         hdsp->card = card;
5011
5012         spin_lock_init(&hdsp->lock);
5013
5014         tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
5015
5016         pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
5017         hdsp->firmware_rev &= 0xff;
5018
5019         /* From Martin Bjoernsen :
5020             "It is important that the card's latency timer register in
5021             the PCI configuration space is set to a value much larger
5022             than 0 by the computer's BIOS or the driver.
5023             The windows driver always sets this 8 bit register [...]
5024             to its maximum 255 to avoid problems with some computers."
5025         */
5026         pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
5027
5028         strcpy(card->driver, "H-DSP");
5029         strcpy(card->mixername, "Xilinx FPGA");
5030
5031         if (hdsp->firmware_rev < 0xa)
5032                 return -ENODEV;
5033         else if (hdsp->firmware_rev < 0x64)
5034                 hdsp->card_name = "RME Hammerfall DSP";
5035         else if (hdsp->firmware_rev < 0x96) {
5036                 hdsp->card_name = "RME HDSP 9652";
5037                 is_9652 = 1;
5038         } else {
5039                 hdsp->card_name = "RME HDSP 9632";
5040                 hdsp->max_channels = 16;
5041                 is_9632 = 1;
5042         }
5043
5044         if ((err = pci_enable_device(pci)) < 0)
5045                 return err;
5046
5047         pci_set_master(hdsp->pci);
5048
5049         if ((err = pci_request_regions(pci, "hdsp")) < 0)
5050                 return err;
5051         hdsp->port = pci_resource_start(pci, 0);
5052         if ((hdsp->iobase = ioremap_nocache(hdsp->port, HDSP_IO_EXTENT)) == NULL) {
5053                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to remap region 0x%lx-0x%lx\n", hdsp->port, hdsp->port + HDSP_IO_EXTENT - 1);
5054                 return -EBUSY;
5055         }
5056
5057         if (request_irq(pci->irq, snd_hdsp_interrupt, IRQF_SHARED,
5058                         "hdsp", hdsp)) {
5059                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to use IRQ %d\n", pci->irq);
5060                 return -EBUSY;
5061         }
5062
5063         hdsp->irq = pci->irq;
5064         hdsp->precise_ptr = 0;
5065         hdsp->use_midi_tasklet = 1;
5066         hdsp->dds_value = 0;
5067
5068         if ((err = snd_hdsp_initialize_memory(hdsp)) < 0)
5069                 return err;
5070
5071         if (!is_9652 && !is_9632) {
5072                 /* we wait a maximum of 10 seconds to let freshly
5073                  * inserted cardbus cards do their hardware init */
5074                 err = hdsp_wait_for_iobox(hdsp, 1000, 10);
5075
5076                 if (err < 0)
5077                         return err;
5078
5079                 if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
5080 #ifdef HDSP_FW_LOADER
5081                         if ((err = hdsp_request_fw_loader(hdsp)) < 0)
5082                                 /* we don't fail as this can happen
5083                                    if userspace is not ready for
5084                                    firmware upload
5085                                 */
5086                                 snd_printk(KERN_ERR "Hammerfall-DSP: couldn't get firmware from userspace. try using hdsploader\n");
5087                         else
5088                                 /* init is complete, we return */
5089                                 return 0;
5090 #endif
5091                         /* we defer initialization */
5092                         snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
5093                         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5094                                 return err;
5095                         return 0;
5096                 } else {
5097                         snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");
5098                         if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
5099                                 hdsp->io_type = Multiface;
5100                         else
5101                                 hdsp->io_type = Digiface;
5102                 }
5103         }
5104
5105         if ((err = snd_hdsp_enable_io(hdsp)) != 0)
5106                 return err;
5107
5108         if (is_9652)
5109                 hdsp->io_type = H9652;
5110
5111         if (is_9632)
5112                 hdsp->io_type = H9632;
5113
5114         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5115                 return err;
5116
5117         snd_hdsp_initialize_channels(hdsp);
5118         snd_hdsp_initialize_midi_flush(hdsp);
5119
5120         hdsp->state |= HDSP_FirmwareLoaded;
5121
5122         if ((err = snd_hdsp_create_alsa_devices(card, hdsp)) < 0)
5123                 return err;
5124
5125         return 0;
5126 }
5127
5128 static int snd_hdsp_free(struct hdsp *hdsp)
5129 {
5130         if (hdsp->port) {
5131                 /* stop the audio, and cancel all interrupts */
5132                 tasklet_kill(&hdsp->midi_tasklet);
5133                 hdsp->control_register &= ~(HDSP_Start|HDSP_AudioInterruptEnable|HDSP_Midi0InterruptEnable|HDSP_Midi1InterruptEnable);
5134                 hdsp_write (hdsp, HDSP_controlRegister, hdsp->control_register);
5135         }
5136
5137         if (hdsp->irq >= 0)
5138                 free_irq(hdsp->irq, (void *)hdsp);
5139
5140         snd_hdsp_free_buffers(hdsp);
5141
5142         if (hdsp->iobase)
5143                 iounmap(hdsp->iobase);
5144
5145         if (hdsp->port)
5146                 pci_release_regions(hdsp->pci);
5147
5148         pci_disable_device(hdsp->pci);
5149         return 0;
5150 }
5151
5152 static void snd_hdsp_card_free(struct snd_card *card)
5153 {
5154         struct hdsp *hdsp = (struct hdsp *) card->private_data;
5155
5156         if (hdsp)
5157                 snd_hdsp_free(hdsp);
5158 }
5159
5160 static int __devinit snd_hdsp_probe(struct pci_dev *pci,
5161                                     const struct pci_device_id *pci_id)
5162 {
5163         static int dev;
5164         struct hdsp *hdsp;
5165         struct snd_card *card;
5166         int err;
5167
5168         if (dev >= SNDRV_CARDS)
5169                 return -ENODEV;
5170         if (!enable[dev]) {
5171                 dev++;
5172                 return -ENOENT;
5173         }
5174
5175         err = snd_card_create(index[dev], id[dev], THIS_MODULE,
5176                               sizeof(struct hdsp), &card);
5177         if (err < 0)
5178                 return err;
5179
5180         hdsp = (struct hdsp *) card->private_data;
5181         card->private_free = snd_hdsp_card_free;
5182         hdsp->dev = dev;
5183         hdsp->pci = pci;
5184         snd_card_set_dev(card, &pci->dev);
5185
5186         if ((err = snd_hdsp_create(card, hdsp)) < 0) {
5187                 snd_card_free(card);
5188                 return err;
5189         }
5190
5191         strcpy(card->shortname, "Hammerfall DSP");
5192         sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
5193                 hdsp->port, hdsp->irq);
5194
5195         if ((err = snd_card_register(card)) < 0) {
5196                 snd_card_free(card);
5197                 return err;
5198         }
5199         pci_set_drvdata(pci, card);
5200         dev++;
5201         return 0;
5202 }
5203
5204 static void __devexit snd_hdsp_remove(struct pci_dev *pci)
5205 {
5206         snd_card_free(pci_get_drvdata(pci));
5207         pci_set_drvdata(pci, NULL);
5208 }
5209
5210 static struct pci_driver driver = {
5211         .name =     "RME Hammerfall DSP",
5212         .id_table = snd_hdsp_ids,
5213         .probe =    snd_hdsp_probe,
5214         .remove = __devexit_p(snd_hdsp_remove),
5215 };
5216
5217 static int __init alsa_card_hdsp_init(void)
5218 {
5219         return pci_register_driver(&driver);
5220 }
5221
5222 static void __exit alsa_card_hdsp_exit(void)
5223 {
5224         pci_unregister_driver(&driver);
5225 }
5226
5227 module_init(alsa_card_hdsp_init)
5228 module_exit(alsa_card_hdsp_exit)